From 387965661eaa775833b1e35b917f8e568ab7f5c6 Mon Sep 17 00:00:00 2001 From: dougb Date: Sat, 16 Jul 2011 10:49:33 +0000 Subject: Vendor import of BIND 9.8.0-P4 --- CHANGES | 1290 +- COPYRIGHT | 2 +- FAQ.xml | 2 +- HISTORY | 313 + KNOWN-DEFECTS | 15 - Makefile.in | 11 +- NSEC3-NOTES | 128 - README | 448 +- README.idnkit | 112 - README.pkcs11 | 61 - acconfig.h | 4 +- bin/Makefile.in | 7 +- bin/check/Makefile.in | 20 +- bin/check/check-tool.c | 5 +- bin/check/check-tool.h | 2 +- bin/check/named-checkconf.8 | 35 +- bin/check/named-checkconf.c | 43 +- bin/check/named-checkconf.docbook | 36 +- bin/check/named-checkconf.html | 41 +- bin/check/named-checkzone.8 | 19 +- bin/check/named-checkzone.c | 47 +- bin/check/named-checkzone.docbook | 22 +- bin/check/named-checkzone.html | 26 +- bin/confgen/Makefile.in | 101 + bin/confgen/ddns-confgen.8 | 143 + bin/confgen/ddns-confgen.c | 257 + bin/confgen/ddns-confgen.docbook | 218 + bin/confgen/ddns-confgen.html | 141 + bin/confgen/include/confgen/os.h | 39 + bin/confgen/keygen.c | 218 + bin/confgen/keygen.h | 41 + bin/confgen/rndc-confgen.8 | 211 + bin/confgen/rndc-confgen.c | 270 + bin/confgen/rndc-confgen.docbook | 287 + bin/confgen/rndc-confgen.html | 188 + bin/confgen/unix/Makefile.in | 35 + bin/confgen/unix/os.c | 43 + bin/confgen/util.c | 56 + bin/confgen/util.h | 52 + bin/dig/Makefile.in | 26 +- bin/dig/dig.1 | 11 +- bin/dig/dig.c | 176 +- bin/dig/dig.docbook | 16 +- bin/dig/dig.html | 28 +- bin/dig/dighost.c | 223 +- bin/dig/host.1 | 2 +- bin/dig/host.c | 5 +- bin/dig/host.docbook | 2 +- bin/dig/host.html | 2 +- bin/dig/include/dig/dig.h | 14 +- bin/dig/nslookup.1 | 2 +- bin/dig/nslookup.c | 20 +- bin/dig/nslookup.docbook | 2 +- bin/dig/nslookup.html | 2 +- bin/dnssec/Makefile.in | 41 +- bin/dnssec/dnssec-dsfromkey.8 | 55 +- bin/dnssec/dnssec-dsfromkey.c | 314 +- bin/dnssec/dnssec-dsfromkey.docbook | 78 +- bin/dnssec/dnssec-dsfromkey.html | 67 +- bin/dnssec/dnssec-keyfromlabel.8 | 86 +- 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create mode 100644 lib/irs/Makefile.in create mode 100644 lib/irs/api create mode 100644 lib/irs/context.c create mode 100644 lib/irs/dnsconf.c create mode 100644 lib/irs/gai_strerror.c create mode 100644 lib/irs/getaddrinfo.c create mode 100644 lib/irs/getnameinfo.c create mode 100644 lib/irs/include/Makefile.in create mode 100644 lib/irs/include/irs/Makefile.in create mode 100644 lib/irs/include/irs/context.h create mode 100644 lib/irs/include/irs/dnsconf.h create mode 100644 lib/irs/include/irs/netdb.h.in create mode 100644 lib/irs/include/irs/platform.h.in create mode 100644 lib/irs/include/irs/resconf.h create mode 100644 lib/irs/include/irs/types.h create mode 100644 lib/irs/include/irs/version.h create mode 100644 lib/irs/resconf.c create mode 100644 lib/irs/version.c create mode 100644 lib/isc/app_api.c create mode 100644 lib/isc/backtrace-emptytbl.c create mode 100644 lib/isc/backtrace.c create mode 100644 lib/isc/include/isc/backtrace.h create mode 100644 lib/isc/include/isc/bind9.h create mode 100644 lib/isc/include/isc/namespace.h create mode 100644 lib/isc/mem_api.c create mode 100644 lib/isc/socket_api.c create mode 100644 lib/isc/task_api.c create mode 100644 lib/isc/timer_api.c create mode 100644 lib/isccfg/dnsconf.c create mode 100644 lib/isccfg/include/isccfg/dnsconf.h diff --git a/CHANGES b/CHANGES index 4a7cada..80ac38a 100644 --- a/CHANGES +++ b/CHANGES @@ -1,17 +1,28 @@ - --- 9.6-ESV-R4-P3 released --- + --- 9.8.0-P4 released --- 3124. [bug] Use an rdataset attribute flag to indicate negative-cache records rather than using rrtype 0; this will prevent problems when that rrtype is used in actual DNS packets. [RT #24777] - --- 9.6-ESV-R4-P2 released (withdrawn) --- + --- 9.8.0-P3 released (withdrawn) --- + +3126. [security] Using DNAME record to generate replacements caused + RPZ to exit with a assertion failure. [RT #23766] + +3125. [security] Using wildcard CNAME records as a replacement with + RPZ caused named to exit with a assertion failure. + [RT #24715] 3123. [security] Change #2912 exposed a latent flaw in dns_rdataset_totext() that could cause named to crash with an assertion failure. [RT #24777] - --- 9.6-ESV-R4-P1 released --- +3115. [bug] Named could fail to return requested data when + following a CNAME that points into the same zone. + [RT #2445] + + --- 9.8.0-P2 released --- 3121. [security] An authoritative name server sending a negative response containing a very large RRset could @@ -22,22 +33,114 @@ that validated insecure without using DLV and had DS records in the parent zone. [RT #24631] - --- 9.6-ESV-R4 released --- + --- 9.8.0-P1 released --- + +3100. [security] Certain response policy zone configurations could + trigger an INSIST when receiving a query of type + RRSIG. [RT #24280] + + --- 9.8.0 released --- + +3025. [bug] Fixed a possible deadlock due to zone resigning. + [RT #22964] + +3024. [func] RTT Banding removed due to minor security increase + but major impact on resolver latency. [RT #23310] + +3023. [bug] Named could be left in an inconsistent state when + receiving multiple AXFR response messages that were + not all TSIG-signed. [RT #23254] + +3022. [bug] Fixed rpz SERVFAILs after failed zone transfers + [RT #23246] + +3021. [bug] Change #3010 was incomplete. [RT #22296] + +3020. [bug] auto-dnssec failed to correctly update the zone when + changing the DNSKEY RRset. [RT #23232] + +3019. [test] Test: check apex NSEC3 records after adding DNSKEY + record via UPDATE. [RT #23229] + + --- 9.8.0rc1 released --- + +3018. [bug] Named failed to check for the "none;" acl when deciding + if a zone may need to be re-signed. [RT #23120] + +3017. [doc] dnssec-keyfromlabel -I was not properly documented. + [RT #22887] + +3016. [bug] rndc usage missing '-b'. [RT #22937] + +3015. [port] win32: fix IN6_IS_ADDR_LINKLOCAL and + IN6_IS_ADDR_SITELOCAL macros. [RT #22724] - --- 9.6.3 released --- +3013. [bug] The DNS64 ttl was not always being set as expected. + [RT #23034] + +3012. [bug] Remove DNSKEY TTL change pairs before generating + signing records for any remaining DNSKEY changes. + [RT #22590] + +3011. [func] Allow setting this in named.conf using the new + 'resolver-query-timeout' option, which specifies a max + time in seconds. 0 means 'default' and anything longer + than 30 will be silently set to 30. [RT #22852] + +3010. [bug] Fixed a bug where "rndc reconfig" stopped the timer + for refreshing managed-keys. [RT #22296] 3009. [bug] clients-per-query code didn't work as expected with particular query patterns. [RT #22972] - --- 9.6.3rc1 released --- + --- 9.8.0b1 released --- + +3008. [func] Response policy zones (RPZ) support. [RT #21726] 3007. [bug] Named failed to preserve the case of domain names in rdata which is not compressible when writing master files. [RT #22863] +3006. [func] Allow dynamically generated TSIG keys to be preserved + across restarts of named. Initially this is for + TSIG keys generated using GSSAPI. [RT #22639] + +3005. [port] Solaris: Work around the lack of + gsskrb5_register_acceptor_identity() by setting + the KRB5_KTNAME environment variable to the + contents of tkey-gssapi-keytab. Also fixed + test errors on MacOSX. [RT #22853] + +3004. [func] DNS64 reverse support. [RT #22769] + +3003. [experimental] Added update-policy match type "external", + enabling named to defer the decision of whether to + allow a dynamic update to an external daemon. + (Contributed by Andrew Tridgell.) [RT #22758] + 3002. [bug] isc_mutex_init_errcheck() failed to destroy attr. [RT #22766] +3001. [func] Added a default trust anchor for the root zone, which + can be switched on by setting "dnssec-validation auto;" + in the named.conf options. [RT #21727] + +3000. [bug] More TKEY/GSS fixes: + - nsupdate can now get the default realm from + the user's Kerberos principal + - corrected gsstest compilation flags + - improved documentation + - fixed some NULL dereferences + [RT #22795] + +2999. [func] Add GOST support (RFC 5933). [RT #20639] + +2998. [func] Add isc_task_beginexclusive and isc_task_endexclusive + to the task api. [RT #22776] + +2997. [func] named -V now reports the OpenSSL and libxml2 verions + it was compiled against. [RT #22687] + 2996. [security] Temporarily disable SO_ACCEPTFILTER support. [RT #22589] @@ -48,13 +151,52 @@ do not use threads on earlier versions. Also kill the unproven-pthreads, mit-pthreads, and ptl2 support. +2993. [func] Dynamically grow adb hash tables. [RT #21186] + +2992. [contrib] contrib/check-secure-delegation.pl: A simple tool + for looking at a secure delegation. [RT #22059] + +2991. [contrib] contrib/zone-edit.sh: A simple zone editing tool for + dynamic zones. [RT #22365] + +2990. [bug] 'dnssec-settime -S' no longer tests prepublication + interval validity when the interval is set to 0. + [RT #22761] + +2989. [func] Added support for writable DLZ zones. (Contributed + by Andrew Tridgell of the Samba project.) [RT #22629] + +2988. [experimental] Added a "dlopen" DLZ driver, allowing the creation + of external DLZ drivers that can be loaded as + shared objects at runtime rather than linked with + named. Currently this is switched on via a + compile-time option, "configure --with-dlz-dlopen". + Note: the syntax for configuring DLZ zones + is likely to be refined in future releases. + (Contributed by Andrew Tridgell of the Samba + project.) [RT #22629] + +2987. [func] Improve ease of configuring TKEY/GSS updates by + adding a "tkey-gssapi-keytab" option. If set, + updates will be allowed with any key matching + a principal in the specified keytab file. + "tkey-gssapi-credential" is no longer required + and is expected to be deprecated. (Contributed + by Andrew Tridgell of the Samba project.) + [RT #22629] + +2986. [func] Add new zone type "static-stub". It's like a stub + zone, but the nameserver names and/or their IP + addresses are statically configured. [RT #21474] + +2985. [bug] Add a regression test for change #2896. [RT #21324] + 2984. [bug] Don't run MX checks when the target of the MX record is ".". [RT #22645] -2817. [cleanup] Removed unnecessary isc_task_endexclusive() calls. - [RT #20768] +2983. [bug] Include "loadkeys" in rndc help output. [RT #22493] - --- 9.6.3b1 released --- + --- 9.8.0a1 released --- 2982. [bug] Reference count dst keys. dst_key_attach() can be used increment the reference count. @@ -63,34 +205,103 @@ always call dst_key_free() rather than setting it to NULL on success. [RT #22672] +2981. [func] Partial DNS64 support (AAAA synthesis). [RT #21991] + +2980. [bug] named didn't properly handle UPDATES that changed the + TTL of the NSEC3PARAM RRset. [RT #22363] + 2979. [bug] named could deadlock during shutdown if two "rndc stop" commands were issued at the same time. [RT #22108] 2978. [port] hpux: look for [RT #21919] +2977. [bug] 'nsupdate -l' report if the session key is missing. + [RT #21670] + 2976. [bug] named could die on exit after negotiating a GSS-TSIG key. [RT #22573] -2975. [bug] rbtdb.c:cleanup_dead_nodes_callback() aquired the +2975. [bug] rbtdb.c:cleanup_dead_nodes_callback() acquired the wrong lock which could lead to server deadlock. [RT #22614] +2974. [bug] Some valid UPDATE requests could fail due to a + consistency check examining the existing version + of the zone rather than the new version resulting + from the UPDATE. [RT #22413] + +2973. [bug] bind.keys.h was being removed by the "make clean" + at the end of configure resulting in build failures + where there is very old version of perl installed. + Move it to "make maintainer-clean". [RT #22230] + +2972. [bug] win32: address windows socket errors. [RT #21906] + +2971. [bug] Fixed a bug that caused journal files not to be + compacted on Windows systems as a result of + non-POSIX-compliant rename() semantics. [RT #22434] + +2970. [security] Adding a NO DATA negative cache entry failed to clear + any matching RRSIG records. A subsequent lookup of + of NO DATA cache entry could trigger a INSIST when the + unexpected RRSIG was also returned with the NO DATA + cache entry. + + CVE-2010-3613, VU#706148. [RT #22288] + +2969. [security] Fix acl type processing so that allow-query works + in options and view statements. Also add a new + set of tests to verify proper functioning. + + CVE-2010-3615, VU#510208. [RT #22418] + +2968. [security] Named could fail to prove a data set was insecure + before marking it as insecure. One set of conditions + that can trigger this occurs naturally when rolling + DNSKEY algorithms. + + CVE-2010-3614, VU#837744. [RT #22309] + +2967. [bug] 'host -D' now turns on debugging messages earlier. + [RT #22361] + +2966. [bug] isc_print_vsnprintf() failed to check if there was + space available in the buffer when adding a left + justified character with a non zero width, + (e.g. "%-1c"). [RT #22270] + 2965. [func] Test HMAC functions using test data from RFC 2104 and RFC 4634. [RT #21702] +2964. [placeholder] + +2963. [security] The allow-query acl was being applied instead of the + allow-query-cache acl to cache lookups. [RT #22114] + +2962. [port] win32: add more dependencies to BINDBuild.dsw. + [RT #22062] + +2961. [bug] Be still more selective about the non-authoritative + answers we apply change 2748 to. [RT #22074] + 2960. [func] Check that named accepts non-authoritative answers. [RT #21594] 2959. [func] Check that named starts with a missing masterfile. [RT #22076] +2958. [bug] named failed to start with a missing master file. + [RT #22076] + 2957. [bug] entropy_get() and entropy_getpseudo() failed to match the API for RAND_bytes() and RAND_pseudo_bytes() respectively. [RT #21962] 2956. [port] Enable atomic operations on the PowerPC64. [RT #21899] +2955. [func] Provide more detail in the recursing log. [RT #22043] + 2954. [bug] contrib: dlz_mysql_driver.c bad error handling on build_sqldbinstance failure. [RT #21623] @@ -98,10 +309,26 @@ exact match" message when returning a wildcard no data response. [RT #21744] +2952. [port] win32: named-checkzone and named-checkconf failed + to initialise winsock. [RT #21932] + +2951. [bug] named failed to generate a correct signed response + in a optout, delegation only zone with no secure + delegations. [RT #22007] + 2950. [bug] named failed to perform a SOA up to date check when falling back to TCP on UDP timeouts when ixfr-from-differences was set. [RT #21595] +2949. [bug] dns_view_setnewzones() contained a memory leak if + it was called multiple times. [RT #21942] + +2948. [port] MacOS: provide a mechanism to configure the test + interfaces at reboot. See bin/tests/system/README + for details. + +2947. [placeholder] + 2946. [doc] Document the default values for the minimum and maximum zone refresh and retry values in the ARM. [RT #21886] @@ -110,12 +337,59 @@ 2944. [maint] Remove ORCHID prefix from built in empty zones. [RT #21772] +2943. [func] Add support to load new keys into managed zones + without signing immediately with "rndc loadkeys". + Add support to link keys with "dnssec-keygen -S" + and "dnssec-settime -S". [RT #21351] + 2942. [contrib] zone2sqlite failed to setup the entropy sources. [RT #21610] 2941. [bug] sdb and sdlz (dlz's zone database) failed to support DNAME at the zone apex. [RT #21610] +2940. [port] Remove connection aborted error message on + Windows. [RT #21549] + +2939. [func] Check that named successfully skips NSEC3 records + that fail to match the NSEC3PARAM record currently + in use. [RT# 21868] + +2938. [bug] When generating signed responses, from a signed zone + that uses NSEC3, named would use a uninitialised + pointer if it needed to skip a NSEC3 record because + it didn't match the selected NSEC3PARAM record for + zone. [RT# 21868] + +2937. [bug] Worked around an apparent race condition in over + memory conditions. Without this fix a DNS cache DB or + ADB could incorrectly stay in an over memory state, + effectively refusing further caching, which + subsequently made a BIND 9 caching server unworkable. + This fix prevents this problem from happening by + polling the state of the memory context, rather than + making a copy of the state, which appeared to cause + a race. This is a "workaround" in that it doesn't + solve the possible race per se, but several experiments + proved this change solves the symptom. Also, the + polling overhead hasn't been reported to be an issue. + This bug should only affect a caching server that + specifies a finite max-cache-size. It's also quite + likely that the bug happens only when enabling threads, + but it's not confirmed yet. [RT #21818] + +2936. [func] Improved configuration syntax and multiple-view + support for addzone/delzone feature (see change + #2930). Removed "new-zone-file" option, replaced + with "allow-new-zones (yes|no)". The new-zone-file + for each view is now created automatically, with + a filename generated from a hash of the view name. + It is no longer necessary to "include" the + new-zone-file in named.conf; this happens + automatically. Zones that were not added via + "rndc addzone" can no longer be removed with + "rndc delzone". [RT #19447] + 2935. [bug] nsupdate: improve 'file not found' error message. [RT #21871] @@ -136,6 +410,17 @@ revisit the issue and complete the fix later. [RT #21710] +2930. [experimental] New "rndc addzone" and "rndc delzone" commads + allow dynamic addition and deletion of zones. + To enable this feature, specify a "new-zone-file" + option at the view or options level in named.conf. + Zone configuration information for the new zones + will be written into that file. To make the new + zones persist after a restart, "include" the file + into named.conf in the appropriate view. (Note: + This feature is not yet documented, and its syntax + is expected to change.) [RT #19447] + 2929. [bug] Improved handling of GSS security contexts: - added LRU expiration for generated TSIGs - added the ability to use a non-default realm @@ -145,19 +430,49 @@ smaller) [RT #19737] +2928. [bug] Be more selective about the non-authoritative + answer we apply change 2748 to. [RT #21594] + +2927. [placeholder] + +2926. [placeholder] +h +2925. [bug] Named failed to accept uncachable negative responses + from insecure zones. [RT# 21555] + +2924. [func] 'rndc secroots' dump a combined summary of the + current managed keys combined with trusted keys. + [RT #20904] + 2923. [bug] 'dig +trace' could drop core after "connection timeout". [RT #21514] 2922. [contrib] Update zkt to version 1.0. +2921. [bug] The resolver could attempt to destroy a fetch context + too soon. [RT #19878] + +2920. [func] Allow 'filter-aaaa-on-v4' to be applied selectively + to IPv4 clients. New acl 'filter-aaaa' (default any). + +2919. [func] Add autosign-ksk and autosign-zsk virtual time tests. + [RT #20840] + 2918. [maint] Add AAAA address for I.ROOT-SERVERS.NET. +2917. [func] Virtual time test framework. [RT #20801] + 2916. [func] Add framework to use IPv6 in tests. fd92:7065:b8e:ffff::1 ... fd92:7065:b8e:ffff::7 2915. [cleanup] Be smarter about which objects we attempt to compile based on configure options. [RT #21444] +2914. [bug] Make the "autosign" system test more portable. + [RT #20997] + +2913. [func] Add pkcs#11 system tests. [RT #20784] + 2912. [func] Windows clients don't like UPDATE responses that clear the zone section. [RT #20986] @@ -166,9 +481,17 @@ 2910. [func] Sanity check Kerberos credentials. [RT #20986] +2909. [bug] named-checkconf -p could die if "update-policy local;" + was specified in named.conf. [RT #21416] + 2908. [bug] It was possible for re-signing to stop after removing a DNSKEY. [RT #21384] +2907. [bug] The export version of libdns had undefined references. + [RT #21444] + +2906. [bug] Address RFC 5011 implementation issues. [RT #20903] + 2905. [port] aix: set use_atomic=yes with native compiler. [RT #21402] @@ -177,23 +500,55 @@ secure leading to negative proofs failing. This was a unintended outcome from change 2890. [RT# 21392] +2903. [bug] managed-keys-directory missing from namedconf.c. + [RT #21370] + +2902. [func] Add regression test for change 2897. [RT #21040] + 2901. [port] Use AC_C_FLEXIBLE_ARRAY_MEMBER. [RT #21316] +2900. [bug] The placeholder negative caching element was not + properly constructed triggering a INSIST in + dns_ncache_towire(). [RT #21346] + 2899. [port] win32: Support linking against OpenSSL 1.0.0. 2898. [bug] nslookup leaked memory when -domain=value was specified. [RT #21301] +2897. [bug] NSEC3 chains could be left behind when transitioning + to insecure. [RT #21040] + +2896. [bug] "rndc sign" failed to properly update the zone + when adding a DNSKEY for publication only. [RT #21045] + +2895. [func] genrandom: add support for the generation of multiple + files. [RT #20917] + 2894. [contrib] DLZ LDAP support now use '$' not '%'. [RT #21294] +2893. [bug] Improve managed keys support. New named.conf option + managed-keys-directory. [RT #20924] + +2892. [bug] Handle REVOKED keys better. [RT #20961] + 2891. [maint] Update empty-zones list to match draft-ietf-dnsop-default-local-zones-13. [RT# 21099] +2890. [bug] Handle the introduction of new trusted-keys and + DS, DLV RRsets better. [RT #21097] + 2889. [bug] Elements of the grammar where not properly reported. [RT #21046] 2888. [bug] Only the first EDNS option was displayed. [RT #21273] +2887. [bug] Report the keytag times in UTC in the .key file, + local time is presented as a comment within the + comment. [RT #21223] + +2886. [bug] ctime() is not thread safe. [RT #21223] + 2885. [bug] Improve -fno-strict-aliasing support probing in configure. [RT #21080] @@ -209,12 +564,21 @@ 2881. [bug] Reduce the amount of time the rbtdb write lock is held when closing a version. [RT #21198] +2880. [cleanup] Make the output of dnssec-keygen and dnssec-revoke + consistent. [RT #21078] + 2879. [contrib] DLZ bdbhpt driver fails to close correct cursor. [RT #21106] +2878. [func] Incrementally write the master file after performing + a AXFR. [RT #21010] + 2877. [bug] The validator failed to skip obviously mismatching RRSIGs. [RT #21138] +2876. [bug] Named could return SERVFAIL for negative responses + from unsigned zones. [RT #21131] + 2875. [bug] dns_time64_fromtext() could accept non digits. [RT #21033] @@ -222,8 +586,22 @@ successfully responds to the query using plain DNS. [RT #20930] +2873. [bug] Cancelling a dynamic update via the dns/client module + could trigger an assertion failure. [RT #21133] + +2872. [bug] Modify dns/client.c:dns_client_createx() to only + require one of IPv4 or IPv6 rather than both. + [RT #21122] + +2871. [bug] Type mismatch in mem_api.c between the definition and + the header file, causing build failure with + --enable-exportlib. [RT #21138] + 2870. [maint] Add AAAA address for L.ROOT-SERVERS.NET. +2869. [bug] Fix arguments to dns_keytable_findnextkeynode() call. + [RT #20877] + 2868. [cleanup] Run "make clean" at the end of configure to ensure any changes made by configure are integrated. Use --with-make-clean=no to disable. [RT #20994] @@ -245,6 +623,11 @@ 2862. [bug] nsupdate didn't default to the parent zone when updating DS records. [RT #20896] +2861. [doc] dnssec-settime man pages didn't correctly document the + inactivation time. [RT #21039] + +2860. [bug] named-checkconf's usage was out of date. [RT #21039] + 2859. [bug] When cancelling validation it was possible to leak memory. [RT #20800] @@ -257,111 +640,18 @@ 2856. [bug] The size of a memory allocation was not always properly recorded. [RT #20927] -2853. [bug] add_sigs() could run out of scratch space. [RT #21015] - -2851. [doc] nslookup.1, removed from the docbook - source as it produced bad nroff. [RT #21007] - - --- 9.6-ESV-R3 released --- - -2972. [bug] win32: address windows socket errors. [RT #21906] - -2971. [bug] Fixed a bug that caused journal files not to be - compacted on Windows systems as a result of - non-POSIX-compliant rename() semantics. [RT #22434] +2855. [func] nsupdate will now preserve the entered case of domain + names in update requests it sends. [RT #20928] -2970. [security] Adding a NO DATA negative cache entry failed to clear - any matching RRSIG records. A subsequent lookup of - of NO DATA cache entry could trigger a INSIST when the - unexpected RRSIG was also returned with the NO DATA - cache entry. - - CVE-2010-3613, VU#706148. [RT #22288] - -2969. [security] Fix acl type processing so that allow-query works - in options and view statements. Also add a new - set of tests to verify proper functioning. - - CVE-2010-3615, VU#510208. [RT #22418] - -2968. [security] Named could fail to prove a data set was insecure - before marking it as insecure. One set of conditions - that can trigger this occurs naturally when rolling - DNSKEY algorithms. - - CVE-2010-3614, VU#837744. [RT #22309] - -2967. [bug] 'host -D' now turns on debugging messages earlier. - [RT #22361] - -2966. [bug] isc_print_vsnprintf() failed to check if there was - space available in the buffer when adding a left - justified character with a non zero width, - (e.g. "%-1c"). [RT #22270] - -2964. [bug] view->queryacl was being overloaded. Seperate the - usage into view->queryacl, view->cacheacl and - view->queryonacl. [RT #22114] - -2962. [port] win32: add more dependencies to BINDBuild.dsw. - [RT #22062] - -2952. [port] win32: named-checkzone and named-checkconf failed - to initialise winsock. [RT #21932] - -2951. [bug] named failed to generate a correct signed response - in a optout, delegation only zone with no secure - delegations. [RT #22007] - - --- 9.6-ESV-R2 released --- - -2939. [func] Check that named successfully skips NSEC3 records - that fail to match the NSEC3PARAM record currently - in use. [RT# 21868] - -2937. [bug] Worked around an apparent race condition in over - memory conditions. Without this fix a DNS cache DB or - ADB could incorrectly stay in an over memory state, - effectively refusing further caching, which - subsequently made a BIND 9 caching server unworkable. - This fix prevents this problem from happening by - polling the state of the memory context, rather than - making a copy of the state, which appeared to cause - a race. This is a "workaround" in that it doesn't - solve the possible race per se, but several experiments - proved this change solves the symptom. Also, the - polling overhead hasn't been reported to be an issue. - This bug should only affect a caching server that - specifies a finite max-cache-size. It's also quite - likely that the bug happens only when enabling threads, - but it's not confirmed yet. [RT #21818] - -2925. [bug] Named failed to accept uncachable negative responses - from insecure zones. [RT# 21555] - -2921. [bug] The resolver could attempt to destroy a fetch context - too soon. [RT #19878] - -2900. [bug] The placeholder negative caching element was not - properly constructed triggering a INSIST in - dns_ncache_towire(). [RT #21346] - -2890. [bug] Handle the introduction of new trusted-keys and - DS, DLV RRsets better. [RT #21097] - -2869. [bug] Fix arguments to dns_keytable_findnextkeynode() call. - [RT #20877] - - --- 9.6-ESV-R1 released --- - -2876. [bug] Named could return SERVFAIL for negative responses - from unsigned zones. [RT #21131] +2854. [func] dig: allow the final soa record in a axfr response to + be suppressed, dig +onesoa. [RT #20929] - --- 9.6-ESV released --- +2853. [bug] add_sigs() could run out of scratch space. [RT #21015] 2852. [bug] Handle broken DNSSEC trust chains better. [RT #15619] - --- 9.6.2 released --- +2851. [doc] nslookup.1, removed from the docbook + source as it produced bad nroff. [RT #21007] 2850. [bug] If isc_heap_insert() failed due to memory shortage the heap would have corrupted entries. [RT #20951] @@ -369,61 +659,225 @@ 2849. [bug] Don't treat errors from the xml2 library as fatal. [RT #20945] +2848. [doc] Moved README.dnssec, README.libdns, README.pkcs11 and + README.rfc5011 into the ARM. [RT #20899] + +2847. [cleanup] Corrected usage message in dnssec-settime. [RT #20921] + 2846. [bug] EOF on unix domain sockets was not being handled correctly. [RT #20731] +2845. [bug] RFC 5011 client could crash on shutdown. [RT #20903] + 2844. [doc] notify-delay default in ARM was wrong. It should have been five (5) seconds. - --- 9.6.2rc1 released --- +2843. [func] Prevent dnssec-keygen and dnssec-keyfromlabel from + creating key files if there is a chance that the new + key ID will collide with an existing one after + either of the keys has been revoked. (To override + this in the case of dnssec-keyfromlabel, use the -y + option. dnssec-keygen will simply create a + different, non-colliding key, so an override is + not necessary.) [RT #20838] + +2842. [func] Added "smartsign" and improved "autosign" and + "dnssec" regression tests. [RT #20865] + +2841. [bug] Change 2836 was not complete. [RT #20883] -2838. [func] Backport support for SHA-2 DNSSEC algorithms, - RSASHA256 and RSASHA512, from BIND 9.7. (This - incorporates changes 2726 and 2738 from that - release branch.) [RT #20871] +2840. [bug] Temporary fixed pkcs11-destroy usage check. + [RT #20760] + +2839. [bug] A KSK revoked by named could not be deleted. + [RT #20881] + +2838. [placeholder] 2837. [port] Prevent Linux spurious warnings about fwrite(). [RT #20812] +2836. [bug] Keys that were scheduled to become active could + be delayed. [RT #20874] + +2835. [bug] Key inactivity dates were inadvertently stored in + the private key file with the outdated tag + "Unpublish" rather than "Inactive". This has been + fixed; however, any existing keys that had Inactive + dates set will now need to have them reset, using + 'dnssec-settime -I'. [RT #20868] + +2834. [bug] HMAC-SHA* keys that were longer than the algorithm + digest length were used incorrectly, leading to + interoperability problems with other DNS + implementations. This has been corrected. + (Note: If an oversize key is in use, and + compatibility is needed with an older release of + BIND, the new tool "isc-hmac-fixup" can convert + the key secret to a form that will work with all + versions.) [RT #20751] + +2833. [cleanup] Fix usage messages in dnssec-keygen and dnssec-settime. + [RT #20851] + +2832. [bug] Modify "struct stat" in lib/export/samples/nsprobe.c + to avoid redefinition in some OSs [RT 20831] + 2831. [security] Do not attempt to validate or cache out-of-bailiwick data returned with a secure answer; it must be re-fetched from its original source and validated in that context. [RT #20819] +2830. [bug] Changing the OPTOUT setting could take multiple + passes. [RT #20813] + +2829. [bug] Fixed potential node inconsistency in rbtdb.c. + [RT #20808] + 2828. [security] Cached CNAME or DNAME RR could be returned to clients without DNSSEC validation. [RT #20737] 2827. [security] Bogus NXDOMAIN could be cached as if valid. [RT #20712] +2826. [bug] NSEC3->NSEC transitions could fail due to a lock not + being released. [RT #20740] + 2825. [bug] Changing the setting of OPTOUT in a NSEC3 chain that was in the process of being created was not properly recorded in the zone. [RT #20786] +2824. [bug] "rndc sign" was not being run by the correct task. + [RT #20759] + 2823. [bug] rbtdb.c:getsigningtime() was missing locks. [RT #20781] +2822. [bug] rbtdb.c:loadnode() could return the wrong result. + [RT #20802] + +2821. [doc] Add note that named-checkconf doesn't automatically + read rndc.key and bind.keys [RT #20758] + +2820. [func] Handle read access failure of OpenSSL configuration + file more user friendly (PKCS#11 engine patch). + [RT #20668] + 2819. [cleanup] Removed unnecessary DNS_POINTER_MAXHOPS define. [RT #20771] 2818. [cleanup] rndc could return an incorrect error code when a zone was not found. [RT #20767] +2817. [cleanup] Removed unnecessary isc_task_endexclusive() calls. + [RT #20768] + +2816. [bug] previous_closest_nsec() could fail to return + data for NSEC3 nodes [RT #29730] + 2815. [bug] Exclusively lock the task when freezing a zone. [RT #19838] 2814. [func] Provide a definitive error message when a master zone is not loaded. [RT #20757] - --- 9.6.2b1 released --- +2813. [bug] Better handling of unreadable DNSSEC key files. + [RT #20710] + +2812. [bug] Make sure updates can't result in a zone with + NSEC-only keys and NSEC3 records. [RT 20748] + +2811. [cleanup] Add "rndc sign" to list of commands in rndc usage + output. [RT #20733] + +2810. [doc] Clarified the process of transitioning an NSEC3 zone + to insecure. [RT #20746] + +2809. [cleanup] Restored accidentally-deleted text in usage output + in dnssec-settime and dnssec-revoke [RT #20739] + +2808. [bug] Remove the attempt to install atomic.h from lib/isc. + atomic.h is correctly installed by the architecture + specific subdirectories. [RT #20722] + +2807. [bug] Fixed a possible ASSERT when reconfiguring zone + keys. [RT #20720] + + --- 9.7.0rc1 released --- + +2806. [bug] "rdnc sign" could delay re-signing the DNSKEY + when it had changed. [RT #20703] + +2805. [bug] Fixed namespace problems encountered when building + external programs using non-exported BIND9 libraries + (i.e., built without --enable-exportlib). [RT #20679] + +2804. [bug] Send notifies when a zone is signed with "rndc sign" + or as a result of a scheduled key change. [RT #20700] + +2803. [port] win32: Install named-journalprint, nsec3hash, arpaname + and genrandom under windows. [RT #20670] + +2802. [cleanup] Rename journalprint to named-journalprint. [RT #20670] + +2801. [func] Detect and report records that are different according + to DNSSEC but are semantically equal according to plain + DNS. Apply plain DNS comparisons rather than DNSSEC + comparisons when processing UPDATE requests. + dnssec-signzone now removes such semantically duplicate + records prior to signing the RRset. + + named-checkzone -r {ignore|warn|fail} (default warn) + named-compilezone -r {ignore|warn|fail} (default warn) + + named.conf: check-dup-records {ignore|warn|fail}; + +2800. [func] Reject zones which have NS records which refer to + CNAMEs, DNAMEs or don't have address record (class IN + only). Reject UPDATEs which would cause the zone + to fail the above checks if committed. [RT #20678] + +2799. [cleanup] Changed the "secure-to-insecure" option to + "dnssec-secure-to-insecure", and "dnskey-ksk-only" + to "dnssec-dnskey-kskonly", for clarity. [RT #20586] + +2798. [bug] Addressed bugs in managed-keys initialization + and rollover. [RT #20683] 2797. [bug] Don't decrement the dispatch manager's maxbuffers. [RT #20613] +2796. [bug] Missing dns_rdataset_disassociate() call in + dns_nsec3_delnsec3sx(). [RT #20681] + +2795. [cleanup] Add text to differentiate "update with no effect" + log messages. [RT #18889] + +2794. [bug] Install . [RT #20677] + +2793. [func] Add "autosign" and "metadata" tests to the + automatic tests. [RT #19946] + +2792. [func] "filter-aaaa-on-v4" can now be set in view + options (if compiled in). [RT #20635] + +2791. [bug] The installation of isc-config.sh was broken. + [RT #20667] + 2790. [bug] Handle DS queries to stub zones. [RT #20440] 2789. [bug] Fixed an INSIST in dispatch.c [RT #20576] +2788. [bug] dnssec-signzone could sign with keys that were + not requested [RT #20625] + +2787. [bug] Spurious log message when zone keys were + dynamically reconfigured. [RT #20659] + 2786. [bug] Additional could be promoted to answer. [RT #20663] + --- 9.7.0b3 released --- + +2785. [bug] Revoked keys could fail to self-sign [RT #20652] + 2784. [bug] TC was not always being set when required glue was dropped. [RT #20655] @@ -433,15 +887,65 @@ 2782. [port] win32: use getaddrinfo() for hostname lookups. [RT #20650] +2781. [bug] Inactive keys could be used for signing. [RT #20649] + +2780. [bug] dnssec-keygen -A none didn't properly unset the + activation date in all cases. [RT #20648] + +2779. [bug] Dynamic key revocation could fail. [RT #20644] + +2778. [bug] dnssec-signzone could fail when a key was revoked + without deleting the unrevoked version. [RT #20638] + 2777. [contrib] DLZ MYSQL auto reconnect support discovery was wrong. +2776. [bug] Change #2762 was not correct. [RT #20647] + +2775. [bug] Accept RSASHA256 and RSASHA512 as NSEC3 compatible + in dnssec-keyfromlabel. [RT #20643] + +2774. [bug] Existing cache DB wasn't being reused after + reconfiguration. [RT #20629] + +2773. [bug] In autosigned zones, the SOA could be signed + with the KSK. [RT #20628] + 2772. [security] When validating, track whether pending data was from the additional section or not and only return it if validates as secure. [RT #20438] +2771. [bug] dnssec-signzone: DNSKEY records could be + corrupted when importing from key files [RT #20624] + +2770. [cleanup] Add log messages to resolver.c to indicate events + causing FORMERR responses. [RT #20526] + +2769. [cleanup] Change #2742 was incomplete. [RT #19589] + +2768. [bug] dnssec-signzone: -S no longer implies -g [RT #20568] + +2767. [bug] named could crash on startup if a zone was + configured with auto-dnssec and there was no + key-directory. [RT #20615] + +2766. [bug] isc_socket_fdwatchpoke() should only update the + socketmgr state if the socket is not pending on a + read or write. [RT #20603] + 2765. [bug] Skip masters for which the TSIG key cannot be found. [RT #20595] +2764. [bug] "rndc-confgen -a" could trigger a REQUIRE. [RT #20610] + +2763. [bug] "rndc sign" didn't create an NSEC chain. [RT #20591] + +2762. [bug] DLV validation failed with a local slave DLV zone. + [RT #20577] + +2761. [cleanup] Enable internal symbol table for backtrace only for + systems that are known to work. Currently, BSD + variants, Linux and Solaris are supported. [RT# 20202] + 2760. [cleanup] Corrected named-compilezone usage summary. [RT #20533] 2759. [doc] Add information about .jbk/.jnw files to @@ -454,27 +958,115 @@ 2757. [bug] dig: assertion failure could occur in connect timeout. [RT #20599] -2755. [doc] Clarify documentation of keyset- files in - dnssec-signzone man page. [RT #19810] +2756. [bug] Fixed corrupt logfile message in update.c. [RT# 20597] + +2755. [placeholder] 2754. [bug] Secure-to-insecure transitions failed when zone was signed with NSEC3. [RT #20587] +2753. [bug] Removed an unnecessary warning that could appear when + building an NSEC chain. [RT #20589] + +2752. [bug] Locking violation. [RT #20587] + +2751. [bug] Fixed a memory leak in dnssec-keyfromlabel. [RT #20588] + 2750. [bug] dig: assertion failure could occur when a server didn't have an address. [RT #20579] 2749. [bug] ixfr-from-differences generated a non-minimal ixfr for NSEC3 signed zones. [RT #20452] +2748. [func] Identify bad answers from GTLD servers and treat them + as referrals. [RT #18884] + 2747. [bug] Journal roll forwards failed to set the re-signing time of RRSIGs correctly. [RT #20541] +2746. [port] hpux: address signed/unsigned expansion mismatch of + dns_rbtnode_t.nsec. [RT #20542] + +2745. [bug] configure script didn't probe the return type of + gai_strerror(3) correctly. [RT #20573] + +2744. [func] Log if a query was over TCP. [RT #19961] + 2743. [bug] RRSIG could be incorrectly set in the NSEC3 record for a insecure delegation. + --- 9.7.0b2 released --- + +2742. [cleanup] Clarify some DNSSEC-related log messages in + validator.c. [RT #19589] + +2741. [func] Allow the dnssec-keygen progress messages to be + suppressed (dnssec-keygen -q). Automatically + suppress the progress messages when stdin is not + a tty. [RT #20474] + +2740. [placeholder] + +2739. [cleanup] Clean up API for initializing and clearing trust + anchors for a view. [RT #20211] + +2738. [func] Add RSASHA256 and RSASHA512 tests to the dnssec system + test. [RT #20453] + +2737. [func] UPDATE requests can leak existence information. + [RT #17261] + +2736. [func] Improve the performance of NSEC signed zones with + more than a normal amount of glue below a delegation. + [RT #20191] + +2735. [bug] dnssec-signzone could fail to read keys + that were specified on the command line with + full paths, but weren't in the current + directory. [RT #20421] + +2734. [port] cygwin: arpaname did not compile. [RT #20473] + +2733. [cleanup] Clean up coding style in pkcs11-* tools. [RT #20355] + +2732. [func] Add optional filter-aaaa-on-v4 option, available + if built with './configure --enable-filter-aaaa'. + Filters out AAAA answers to clients connecting + via IPv4. (This is NOT recommended for general + use.) [RT #20339] + +2731. [func] Additional work on change 2709. The key parser + will now ignore unrecognized fields when the + minor version number of the private key format + has been increased. It will reject any key with + the major version number increased. [RT #20310] + +2730. [func] Have dnssec-keygen display a progress indication + a la 'openssl genrsa' on standard error. Note + when the first '.' is followed by a long stop + one has the choice between slow generation vs. + poor random quality, i.e., '-r /dev/urandom'. + [RT #20284] + 2729. [func] When constructing a CNAME from a DNAME use the DNAME TTL. [RT #20451] +2728. [bug] dnssec-keygen, dnssec-keyfromlabel and + dnssec-signzone now warn immediately if asked to + write into a nonexistent directory. [RT #20278] + +2727. [func] The 'key-directory' option can now specify a relative + path. [RT #20154] + +2726. [func] Added support for SHA-2 DNSSEC algorithms, + RSASHA256 and RSASHA512. [RT #20023] + +2725. [doc] Added information about the file "managed-keys.bind" + to the ARM. [RT #20235] + +2724. [bug] Updates to a existing node in secure zone using NSEC + were failing. [RT #20448] + 2723. [bug] isc_base32_totext(), isc_base32hex_totext(), and isc_base64_totext(), didn't always mark regions of memory as fully consumed after conversion. [RT #20445] @@ -486,11 +1078,24 @@ 2721. [port] Have dst__entropy_status() prime the random number generator. [RT #20369] +2720. [bug] RFC 5011 trust anchor updates could trigger an + assert if the DNSKEY record was unsigned. [RT #20406] + +2719. [func] Skip trusted/managed keys for unsupported algorithms. + [RT #20392] + 2718. [bug] The space calculations in opensslrsa_todns() were incorrect. [RT #20394] +2717. [bug] named failed to update the NSEC/NSEC3 record when + the last private type record was removed as a result + of completing the signing the zone with a key. + [RT #20399] + 2716. [bug] nslookup debug mode didn't return the ttl. [RT #20414] + --- 9.7.0b1 released --- + 2715. [bug] Require OpenSSL support to be explicitly disabled. [RT #20288] @@ -500,19 +1105,63 @@ 2713. [bug] powerpc: atomic operations missing asm("ics") / __isync() calls. +2712. [func] New 'auto-dnssec' zone option allows zone signing + to be fully automated in zones configured for + dynamic DNS. 'auto-dnssec allow;' permits a zone + to be signed by creating keys for it in the + key-directory and using 'rndc sign '. + 'auto-dnssec maintain;' allows that too, plus it + also keeps the zone's DNSSEC keys up to date + according to their timing metadata. [RT #19943] + +2711. [port] win32: Add the bin/pkcs11 tools into the full + build. [RT #20372] + +2710. [func] New 'dnssec-signzone -x' flag and 'dnskey-ksk-only' + zone option cause a zone to be signed with only KSKs + signing the DNSKEY RRset, not ZSKs. This reduces + the size of a DNSKEY answer. [RT #20340] + +2709. [func] Added some data fields, currently unused, to the + private key file format, to allow implementation + of explicit key rollover in a future release + without impairing backward or forward compatibility. + [RT #20310] + +2708. [func] Insecure to secure and NSEC3 parameter changes via + update are now fully supported and no longer require + defines to enable. We now no longer overload the + NSEC3PARAM flag field, nor the NSEC OPT bit at the + apex. Secure to insecure changes are controlled by + by the named.conf option 'secure-to-insecure'. + + Warning: If you had previously enabled support by + adding defines at compile time to BIND 9.6 you should + ensure that all changes that are in progress have + completed prior to upgrading to BIND 9.7. BIND 9.7 + is not backwards compatible. + +2707. [func] dnssec-keyfromlabel no longer require engine name + to be specified in the label if there is a default + engine or the -E option has been used. Also, it + now uses default algorithms as dnssec-keygen does + (i.e., RSASHA1, or NSEC3RSASHA1 if -3 is used). + [RT #20371] + 2706. [bug] Loading a zone with a very large NSEC3 salt could trigger an assert. [RT #20368] -2705. [bug] Reconcile the XML stats version number with a later - BIND9 release, by adding a "name" attribute to - "cache" elements and increasing the version number - to 2.2. (This is a minor version change, but may - affect XML parsers if they assume the cache element - doesn't take an attribute.) +2705. [placeholder] 2704. [bug] Serial of dynamic and stub zones could be inconsistent with their SOA serial. [RT #19387] +2703. [func] Introduce an OpenSSL "engine" argument with -E + for all binaries which can take benefit of + crypto hardware. [RT #20230] + +2702. [func] Update PKCS#11 tools (bin/pkcs11) [RT #20225 & all] + 2701. [doc] Correction to ARM: hmac-md5 is no longer the only supported TSIG key algorithm. [RT #18046] @@ -521,6 +1170,8 @@ 2699. [bug] Missing lock in rbtdb.c. [RT #20037] +2698. [placeholder] + 2697. [port] win32: ensure that S_IFMT, S_IFDIR, S_IFCHR and S_IFREG are defined after including . [RT #20309] @@ -528,8 +1179,25 @@ 2696. [bug] named failed to successfully process some valid acl constructs. [RT #20308] +2695. [func] DHCP/DDNS - update fdwatch code for use by + DHCP. Modify the api to isc_sockfdwatch_t (the + callback functon for isc_socket_fdwatchcreate) + to include information about the direction (read + or write) and add isc_socket_fdwatchpoke. + [RT #20253] + +2694. [bug] Reduce default NSEC3 iterations from 100 to 10. + [RT #19970] + +2693. [port] Add some noreturn attributes. [RT #20257] + 2692. [port] win32: 32/64 bit cleanups. [RT #20335] +2691. [func] dnssec-signzone: retain the existing NSEC or NSEC3 + chain when re-signing a previously-signed zone. + Use -u to modify NSEC3 parameters or switch + between NSEC and NSEC3. [RT #20304] + 2690. [bug] win32: fix isc_thread_key_getspecific() prototype. [RT #20315] @@ -538,25 +1206,102 @@ 2688. [bug] Use INTERFACE_F_POINTTOPOINT, not IFF_POINTOPOINT, to decide to fetch the destination address. [RT #20305] +2687. [bug] Fixed dnssec-signzone -S handling of revoked keys. + Also, added warnings when revoking a ZSK, as this is + not defined by protocol (but is legal). [RT #19943] + 2686. [bug] dnssec-signzone should clean the old NSEC chain when signing with NSEC3 and vice versa. [RT #20301] +2685. [contrib] Update contrib/zkt to version 0.99c. [RT #20054] + +2684. [cleanup] dig: formalize +ad and +cd as synonyms for + +adflag and +cdflag. [RT #19305] + 2683. [bug] dnssec-signzone should clean out old NSEC3 chains when the NSEC3 parameters used to sign the zone change. [RT #20246] +2682. [bug] "configure --enable-symtable=all" failed to + build. [RT #20282] + 2681. [bug] IPSECKEY RR of gateway type 3 was not correctly decoded. [RT #20269] +2680. [func] Move contrib/pkcs11-keygen to bin/pkcs11. [RT #20067] + +2679. [func] dig -k can now accept TSIG keys in named.conf + format. [RT #20031] + 2678. [func] Treat DS queries as if "minimal-response yes;" was set. [RT #20258] +2677. [func] Changes to key metadata behavior: + - Keys without "publish" or "active" dates set will + no longer be used for smart signing. However, + those dates will be set to "now" by default when + a key is created; to generate a key but not use + it yet, use dnssec-keygen -G. + - New "inactive" date (dnssec-keygen/settime -I) + sets the time when a key is no longer used for + signing but is still published. + - The "unpublished" date (-U) is deprecated in + favour of "deleted" (-D). + [RT #20247] + +2676. [bug] --with-export-installdir should have been + --with-export-includedir. [RT #20252] + +2675. [bug] dnssec-signzone could crash if the key directory + did not exist. [RT #20232] + + --- 9.7.0a3 released --- + +2674. [bug] "dnssec-lookaside auto;" crashed if named was built + without openssl. [RT #20231] + +2673. [bug] The managed-keys.bind zone file could fail to + load due to a spurious result from sync_keyzone() + [RT #20045] + 2672. [bug] Don't enable searching in 'host' when doing reverse lookups. [RT #20218] +2671. [bug] Add support for PKCS#11 providers not returning + the public exponent in RSA private keys + (OpenCryptoki for instance) in + dnssec-keyfromlabel. [RT #19294] + 2670. [bug] Unexpected connect failures failed to log enough information to be useful. [RT #20205] +2669. [func] Update PKCS#11 support to support Keyper HSM. + Update PKCS#11 patch to be against openssl-0.9.8i. + +2668. [func] Several improvements to dnssec-* tools, including: + - dnssec-keygen and dnssec-settime can now set key + metadata fields 0 (to unset a value, use "none") + - dnssec-revoke sets the revocation date in + addition to the revoke bit + - dnssec-settime can now print individual metadata + fields instead of always printing all of them, + and can print them in unix epoch time format for + use by scripts + [RT #19942] + +2667. [func] Add support for logging stack backtrace on assertion + failure (not available for all platforms). [RT #19780] + +2666. [func] Added an 'options' argument to dns_name_fromstring() + (API change from 9.7.0a2). [RT #20196] + +2665. [func] Clarify syntax for managed-keys {} statement, add + ARM documentation about RFC 5011 support. [RT #19874] + +2664. [bug] create_keydata() and minimal_update() in zone.c + didn't properly check return values for some + functions. [RT #19956] + 2663. [func] win32: allow named to run as a service using "NT AUTHORITY\LocalService" as the account. [RT #19977] @@ -567,19 +1312,40 @@ 2661. [bug] Check whether socket fd exceeds FD_SETSIZE when creating lwres context. [RT #20029] +2660. [func] Add a new set of DNS libraries for non-BIND9 + applications. See README.libdns. [RT #19369] + 2659. [doc] Clarify dnssec-keygen doc: key name must match zone name for DNSSEC keys. [RT #19938] +2658. [bug] dnssec-settime and dnssec-revoke didn't process + key file paths correctly. [RT #20078] + +2657. [cleanup] Lower "journal file does not exist, creating it" + log level to debug 1. [RT #20058] + 2656. [func] win32: add a "tools only" check box to the installer which causes it to only install dig, host, nslookup, nsupdate and relevant DLLs. [RT #19998] 2655. [doc] Document that key-directory does not affect - rndc.key. [RT #20155] + bind.keys, rndc.key or session.key. [RT #20155] + +2654. [bug] Improve error reporting on duplicated names for + deny-answer-xxx. [RT #20164] 2653. [bug] Treat ENGINE_load_private_key() failures as key not found rather than out of memory. [RT #18033] +2652. [func] Provide more detail about what record is being + deleted. [RT #20061] + +2651. [bug] Dates could print incorrectly in K*.key files on + 64-bit systems. [RT #20076] + +2650. [bug] Assertion failure in dnssec-signzone when trying + to read keyset-* files. [RT #20075] + 2649. [bug] Set the domain for forward only zones. [RT #19944] 2648. [port] win32: isc_time_seconds() was broken. [RT #19900] @@ -592,37 +1358,99 @@ 2645. [port] "gcc -m32" didn't work on amd64 and x86_64 platforms which default to 64 bits. [RT #19927] + --- 9.7.0a2 released --- + +2644. [bug] Change #2628 caused a regression on some systems; + named was unable to write the PID file and would + fail on startup. [RT #20001] + 2643. [bug] Stub zones interacted badly with NSEC3 support. [RT #19777] 2642. [bug] nsupdate could dump core on solaris when reading improperly formatted key files. [RT #20015] +2641. [bug] Fixed an error in parsing update-policy syntax, + added a regression test to check it. [RT #20007] + 2640. [security] A specially crafted update packet will cause named to exit. [RT #20000] 2639. [bug] Silence compiler warnings in gssapi code. [RT #19954] +2638. [bug] Install arpaname. [RT #19957] + 2637. [func] Rationalize dnssec-signzone's signwithkey() calling. [RT #19959] +2636. [func] Simplify zone signing and key maintenance with the + dnssec-* tools. Major changes: + - all dnssec-* tools now take a -K option to + specify a directory in which key files will be + stored + - DNSSEC can now store metadata indicating when + they are scheduled to be published, activated, + revoked or removed; these values can be set by + dnssec-keygen or overwritten by the new + dnssec-settime command + - dnssec-signzone -S (for "smart") option reads key + metadata and uses it to determine automatically + which keys to publish to the zone, use for + signing, revoke, or remove from the zone + [RT #19816] + 2635. [bug] isc_inet_ntop() incorrectly handled 0.0/16 addresses. [RT #19716] +2634. [port] win32: Add support for libxml2, enable + statschannel. [RT #19773] + 2633. [bug] Handle 15 bit rand() functions. [RT #19783] 2632. [func] util/kit.sh: warn if documentation appears to be out of date. [RT #19922] +2631. [bug] Handle "//", "/./" and "/../" in mkdirpath(). + [RT #19926 ] + +2630. [func] Improved syntax for DDNS autoconfiguration: use + "update-policy local;" to switch on local DDNS in a + zone. (The "ddns-autoconf" option has been removed.) + [RT #19875] + +2629. [port] Check for seteuid()/setegid(), use setresuid()/ + setresgid() if not present. [RT #19932] + +2628. [port] linux: Allow /var/run/named/named.pid to be opened + at startup with reduced capabilities in operation. + [RT #19884] + +2627. [bug] Named aborted if the same key was included in + trusted-keys more than once. [RT #19918] + +2626. [bug] Multiple trusted-keys could trigger an assertion + failure. [RT #19914] + 2625. [bug] Missing UNLOCK in rbtdb.c. [RT #19865] -2623. [bug] Named started seaches for DS non-optimally. [RT #19915] +2624. [func] 'named-checkconf -p' will print out the parsed + configuration. [RT #18871] + +2623. [bug] Named started searches for DS non-optimally. [RT #19915] -2621. [doc] Made copyright boilterplate consistent. [RT #19833] +2622. [bug] Printing of named.conf grammar was broken. [RT #19919] + +2621. [doc] Made copyright boilerplate consistent. [RT #19833] 2620. [bug] Delay thawing the zone until the reload of it has completed successfully. [RT #19750] +2619. [func] Add support for RFC 5011, automatic trust anchor + maintenance. The new "managed-keys" statement can + be used in place of "trusted-keys" for zones which + support this protocol. (Note: this syntax is + expected to change prior to 9.7.0 final.) [RT #19248] + 2618. [bug] The sdb and sdlz db_interator_seek() methods could loop infinitely. [RT #19847] @@ -638,11 +1466,33 @@ 2614. [port] win32: 'named -v' should automatically be executed in the foreground. [RT #19844] -2613. [bug] Option argument validation was missing for - dnssec-dsfromkey. [RT #19828] +2613. [placeholder] + + --- 9.7.0a1 released --- + +2612. [func] Add default values for the arguments to + dnssec-keygen. Without arguments, it will now + generate a 1024-bit RSASHA1 zone-signing key, + or with the -f KSK option, a 2048-bit RSASHA1 + key-signing key. [RT #19300] + +2611. [func] Add -l option to dnssec-dsfromkey to generate + DLV records instead of DS records. [RT #19300] 2610. [port] sunos: Change #2363 was not complete. [RT #19796] +2609. [func] Simplify the configuration of dynamic zones: + - add ddns-confgen command to generate + configuration text for named.conf + - add zone option "ddns-autoconf yes;", which + causes named to generate a TSIG session key + and allow updates to the zone using that key + - add '-l' (localhost) option to nsupdate, which + causes nsupdate to connect to a locally-running + named process using the session key generated + by named + [RT #19284] + 2608. [func] Perform post signing verification checks in dnssec-signzone. These can be disabled with -P. @@ -652,27 +1502,6 @@ self signed. That all records in the zone are signed by the algorithm. [RT #19653] -2601. [doc] Mention file creation mode mask in the - named manual page. - -2593. [bug] Improve a corner source of SERVFAILs [RT #19632] - -2589. [bug] dns_db_unregister() failed to clear '*dbimp'. - [RT #19626] - -2581. [contrib] dlz/mysql set MYSQL_OPT_RECONNECT option on connection. - Requires MySQL 5.0.19 or later. [RT #19084] - -2580. [bug] UpdateRej statistics counter could be incremented twice - for one rejection. [RT #19476] - -2533. [doc] ARM: document @ (at-sign). [RT #17144] - -2500. [contrib] contrib/sdb/pgsql/zonetodb.c called non-existent - function. [RT #18582] - - --- 9.6.1 released --- - 2607. [bug] named could incorrectly delete NSEC3 records for empty nodes when processing a update request. [RT #19749] @@ -683,6 +1512,11 @@ 2605. [bug] Accept DS responses from delegation only zones. [RT # 19296] +2604. [func] Add support for DNS rebinding attack prevention through + new options, deny-answer-addresses and + deny-answer-aliases. Based on contributed code from + JD Nurmi, Google. [RT #18192] + 2603. [port] win32: handle .exe extension of named-checkzone and named-comilezone argv[0] names under windows. [RT #19767] @@ -690,11 +1524,17 @@ 2602. [port] win32: fix debugging command line build of libisccfg. [RT #19767] - --- 9.6.1rc1 released --- +2601. [doc] Mention file creation mode mask in the + named manual page. + +2600. [doc] ARM: miscellaneous reformatting for different + page widths. [RT #19574] 2599. [bug] Address rapid memory growth when validation fails. [RT #19654] +2598. [func] Reserve the -F flag. [RT #19657] + 2597. [bug] Handle a validation failure with a insecure delegation from a NSEC3 signed master/slave zone. [RT #19464] @@ -704,16 +1544,31 @@ 2595. [bug] Fix unknown extended rcodes in dig. [RT #19625] +2594. [func] Have rndc warn if using its default configuration + file when the key file also exists. [RT #19424] + +2593. [bug] Improve a corner source of SERVFAILs [RT #19632] + 2592. [bug] Treat "any" as a type in nsupdate. [RT #19455] 2591. [bug] named could die when processing a update in removed_orphaned_ds(). [RT #19507] +2590. [func] Report zone/class of "update with no effect". + [RT #19542] + +2589. [bug] dns_db_unregister() failed to clear '*dbimp'. + [RT #19626] + 2588. [bug] SO_REUSEADDR could be set unconditionally after failure of bind(2) call. This should be rare and mostly harmless, but may cause interference with other processes that happen to use the same port. [RT #19642] +2587. [func] Improve logging by reporting serial numbers for + when zone serial has gone backwards or unchanged. + [RT #19506] + 2586. [bug] Missing cleanup of SIG rdataset in searching a DLZ DB or SDB. [RT #19577] @@ -730,28 +1585,57 @@ 2582. [bug] Don't emit warning log message when we attempt to remove non-existent journal. [RT #19516] +2581. [contrib] dlz/mysql set MYSQL_OPT_RECONNECT option on connection. + Requires MySQL 5.0.19 or later. [RT #19084] + +2580. [bug] UpdateRej statistics counter could be incremented twice + for one rejection. [RT #19476] + 2579. [bug] DNSSEC lookaside validation failed to handle unknown algorithms. [RT #19479] 2578. [bug] Changed default sig-signing-type to 65534, because 65535 turns out to be reserved. [RT #19477] -2499. [port] solaris: lib/lwres/getaddrinfo.c namespace clash. - [RT #18837] - - --- 9.6.1b1 released --- - 2577. [doc] Clarified some statistics counters. [RT #19454] 2576. [bug] NSEC record were not being correctly signed when a zone transitions from insecure to secure. Handle such incorrectly signed zones. [RT #19114] +2575. [func] New functions dns_name_fromstring() and + dns_name_tostring(), to simplify conversion + of a string to a dns_name structure and vice + versa. [RT #19451] + 2574. [doc] Document nsupdate -g and -o. [RT #19351] 2573. [bug] Replacing a non-CNAME record with a CNAME record in a single transaction in a signed zone failed. [RT #19397] +2572. [func] Simplify DLV configuration, with a new option + "dnssec-lookaside auto;" This is the equivalent + of "dnssec-lookaside . trust-anchor dlv.isc.org;" + plus setting a trusted-key for dlv.isc.org. + + Note: The trusted key is hard-coded into named, + but is also stored in (and can be overridden + by) $sysconfdir/bind.keys. As the ISC DLV key + rolls over it can be kept up to date by replacing + the bind.keys file with a key downloaded from + https://www.isc.org/solutions/dlv. [RT #18685] + +2571. [func] Add a new tool "arpaname" which translates IP addresses + to the corresponding IN-ADDR.ARPA or IP6.ARPA name. + [RT #18976] + +2570. [func] Log the destination address the query was sent to. + [RT #19209] + +2569. [func] Move journalprint, nsec3hash, and genrandom + commands from bin/tests into bin/tools; + "make install" will put them in $sbindir. [RT #19301] + 2568. [bug] Report when the write to indicate a otherwise successful start fails. [RT #19360] @@ -760,6 +1644,15 @@ dnssec-dsfromkey could miss write errors. [RT #19360] +2566. [cleanup] Clarify logged message when an insecure DNSSEC + response arrives from a zone thought to be secure: + "insecurity proof failed" instead of "not + insecure". [RT #19400] + +2565. [func] Add support for HIP record. Includes new functions + dns_rdata_hip_first(), dns_rdata_hip_next() + and dns_rdata_hip_current(). [RT #19384] + 2564. [bug] Only take EDNS fallback steps when processing timeouts. [RT #19405] @@ -776,6 +1669,10 @@ 2559. [bug] dnssec-dsfromkey could compute bad DS records when reading from a K* files. [RT #19357] +2558. [func] Set the ownership of missing directories created + for pid-file if -u has been specified on the command + line. [RT #19328] + 2557. [cleanup] PCI compliance: * new libisc log module file * isc_dir_chroot() now also changes the working @@ -787,6 +1684,9 @@ error checks in the correct order resulting in the wrong error code sometimes being returned. [RT #19249] +2555. [func] dig: when emitting a hex dump also display the + corresponding characters. [RT #19258] + 2554. [bug] Validation of uppercase queries from NSEC3 zones could fail. [RT #19297] @@ -810,6 +1710,10 @@ function isc_mem_reallocate() was introduced to address this bug. [RT #19313] +2546. [func] Add --enable-openssl-hash configure flag to use + OpenSSL (in place of internal routine) for hash + functions (MD5, SHA[12] and HMAC). [RT #18815] + 2545. [doc] ARM: Legal hostname checking (check-names) is for SRV RDATA too. [RT #19304] @@ -822,6 +1726,8 @@ 2541. [bug] Conditionally update dispatch manager statistics. [RT #19247] +2540. [func] Add a nibble mode to $GENERATE. [RT #18872] + 2539. [security] Update the interaction between recursion, allow-query, allow-query-cache and allow-recursion. [RT #19198] @@ -829,7 +1735,7 @@ especially with threads and smaller max-cache-size values. [RT #19240] -2537. [experimental] Added more statistics counters including those on socket +2537. [func] Added more statistics counters including those on socket I/O events and query RTT histograms. [RT #18802] 2536. [cleanup] Silence some warnings when -Werror=format-security is @@ -837,6 +1743,12 @@ 2535. [bug] dig +showsearch and +trace interacted badly. [RT #19091] +2534. [func] Check NAPTR records regular expressions and + replacement strings to ensure they are syntactically + valid and consistant. [RT #18168] + +2533. [doc] ARM: document @ (at-sign). [RT #17144] + 2532. [bug] dig: check the question section of the response to see if it matches the asked question. [RT #18495] @@ -851,10 +1763,14 @@ 2528. [cleanup] Silence spurious configure warning about --datarootdir [RT #19096] -2527. [bug] named could reuse cache on reload with - enabling/disabling validation. [RT #19119] +2527. [placeholder] -2525. [experimental] New logging category "query-errors" to provide detailed +2526. [func] New named option "attach-cache" that allows multiple + views to share a single cache to save memory and + improve lookup efficiency. Based on contributed code + from Barclay Osborn, Google. [RT #18905] + +2525. [func] New logging category "query-errors" to provide detailed internal information about query failures, especially about server failures. [RT #19027] @@ -867,10 +1783,17 @@ 2521. [bug] Improve epoll cross compilation support. [RT #19047] +2520. [bug] Update xml statistics version number to 2.0 as change + #2388 made the schema incompatible to the previous + version. [RT #19080] + 2519. [bug] dig/host with -4 or -6 didn't work if more than two nameserver addresses of the excluded address family preceded in resolv.conf. [RT #19081] +2518. [func] Add support for the new CERT types from RFC 4398. + [RT #19077] + 2517. [bug] dig +trace with -4 or -6 failed when it chose a nameserver address of the excluded address type. [RT #18843] @@ -878,45 +1801,56 @@ 2516. [bug] glue sort for responses was performed even when not needed. [RT #19039] +2515. [port] win32: build dnssec-dsfromkey and dnssec-keyfromlabel. + [RT #19063] + 2514. [bug] dig/host failed with -4 or -6 when resolv.conf contains a nameserver of the excluded address family. [RT #18848] +2513. [bug] Fix windows cli build. [RT #19062] + +2512. [func] Print a summary of the cached records which make up + the negative response. [RT #18885] + 2511. [cleanup] dns_rdata_tofmttext() add const to linebreak. [RT #18885] +2510. [bug] "dig +sigchase" could trigger REQUIRE failures. + [RT #19033] + +2509. [bug] Specifying a fixed query source port was broken. + [RT #19051] + +2508. [placeholder] + +2507. [func] Log the recursion quota values when killing the + oldest query or refusing to recurse due to quota. + [RT #19022] + 2506. [port] solaris: Check at configure time if hack_shutup_pthreadonceinit is needed. [RT #19037] 2505. [port] Treat amd64 similarly to x86_64 when determining atomic operation support. [RT #19031] +2504. [bug] Address race condition in the socket code. [RT #18899] + 2503. [port] linux: improve compatibility with Linux Standard Base. [RT #18793] 2502. [cleanup] isc_radix: Improve compliance with coding style, document function in . [RT #18534] - --- 9.6.0 released --- - -2520. [bug] Update xml statistics version number to 2.0 as change - #2388 made the schema incompatible to the previous - version. [RT #19080] - - --- 9.6.0rc2 released --- - -2515. [port] win32: build dnssec-dsfromkey and dnssec-keyfromlabel. - [RT #19063] - -2513. [bug] Fix windows cli build. [RT #19062] - -2510. [bug] "dig +sigchase" could trigger REQUIRE failures. - [RT #19033] +2501. [func] $GENERATE now supports all rdata types. Multi-field + rdata types need to be quoted. See the ARM for + details. [RT #18368] -2509. [bug] Specifying a fixed query source port was broken. - [RT #19051] +2500. [contrib] contrib/sdb/pgsql/zonetodb.c called non-existent + function. [RT #18582] -2504. [bug] Address race condition in the socket code. [RT #18899] +2499. [port] solaris: lib/lwres/getaddrinfo.c namespace clash. + [RT #18837] --- 9.6.0rc1 released --- diff --git a/COPYRIGHT b/COPYRIGHT index ee90ece..8721cec 100644 --- a/COPYRIGHT +++ b/COPYRIGHT @@ -13,7 +13,7 @@ LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. -$Id: COPYRIGHT,v 1.14.176.3 2011-01-04 23:45:42 tbox Exp $ +$Id: COPYRIGHT,v 1.17 2011-01-04 23:47:13 tbox Exp $ Portions Copyright (C) 1996-2001 Nominum, Inc. diff --git a/FAQ.xml b/FAQ.xml index a9b2b41..4c83f76 100644 --- a/FAQ.xml +++ b/FAQ.xml @@ -17,7 +17,7 @@ - PERFORMANCE OF THIS SOFTWARE. --> - +
Frequently Asked Questions about BIND 9 diff --git a/HISTORY b/HISTORY new file mode 100644 index 0000000..e98f9b4 --- /dev/null +++ b/HISTORY @@ -0,0 +1,313 @@ +Summary of functional enhancements from prior major releases of BIND 9: + +BIND 9.6.0 + + Full NSEC3 support + + Automatic zone re-signing + + New update-policy methods tcp-self and 6to4-self + + The BIND 8 resolver library, libbind, has been removed from the + BIND 9 distribution and is now available as a separate download. + + Change the default pid file location from /var/run to + /var/run/{named,lwresd} for improved chroot/setuid support. + +BIND 9.5.0 + + GSS-TSIG support (RFC 3645). + + DHCID support. + + Experimental http server and statistics support for named via xml. + + More detailed statistics counters including those supported in BIND 8. + + Faster ACL processing. + + Use Doxygen to generate internal documentation. + + Efficient LRU cache-cleaning mechanism. + + NSID support. + +BIND 9.4.0 + + Implemented "additional section caching (or acache)", an + internal cache framework for additional section content to + improve response performance. Several configuration options + were provided to control the behavior. + + New notify type 'master-only'. Enable notify for master + zones only. + + Accept 'notify-source' style syntax for query-source. + + rndc now allows addresses to be set in the server clauses. + + New option "allow-query-cache". This lets "allow-query" + be used to specify the default zone access level rather + than having to have every zone override the global value. + "allow-query-cache" can be set at both the options and view + levels. If "allow-query-cache" is not set then "allow-recursion" + is used if set, otherwise "allow-query" is used if set + unless "recursion no;" is set in which case "none;" is used, + otherwise the default (localhost; localnets;) is used. + + rndc: the source address can now be specified. + + ixfr-from-differences now takes master and slave in addition + to yes and no at the options and view levels. + + Allow the journal's name to be changed via named.conf. + + 'rndc notify zone [class [view]]' resend the NOTIFY messages + for the specified zone. + + 'dig +trace' now randomly selects the next servers to try. + Report if there is a bad delegation. + + Improve check-names error messages. + + Make public the function to read a key file, dst_key_read_public(). + + dig now returns the byte count for axfr/ixfr. + + allow-update is now settable at the options / view level. + + named-checkconf now checks the logging configuration. + + host now can turn on memory debugging flags with '-m'. + + Don't send notify messages to self. + + Perform sanity checks on NS records which refer to 'in zone' names. + + New zone option "notify-delay". Specify a minimum delay + between sets of NOTIFY messages. + + Extend adjusting TTL warning messages. + + Named and named-checkzone can now both check for non-terminal + wildcard records. + + "rndc freeze/thaw" now freezes/thaws all zones. + + named-checkconf now check acls to verify that they only + refer to existing acls. + + The server syntax has been extended to support a range of + servers. + + Report differences between hints and real NS rrset and + associated address records. + + Preserve the case of domain names in rdata during zone + transfers. + + Restructured the data locking framework using architecture + dependent atomic operations (when available), improving + response performance on multi-processor machines significantly. + x86, x86_64, alpha, powerpc, and mips are currently supported. + + UNIX domain controls are now supported. + + Add support for additional zone file formats for improving + loading performance. The masterfile-format option in + named.conf can be used to specify a non-default format. A + separate command named-compilezone was provided to generate + zone files in the new format. Additionally, the -I and -O + options for dnssec-signzone specify the input and output + formats. + + dnssec-signzone can now randomize signature end times + (dnssec-signzone -j jitter). + + Add support for CH A record. + + Add additional zone data constancy checks. named-checkzone + has extended checking of NS, MX and SRV record and the hosts + they reference. named has extended post zone load checks. + New zone options: check-mx and integrity-check. + + + edns-udp-size can now be overridden on a per server basis. + + dig can now specify the EDNS version when making a query. + + Added framework for handling multiple EDNS versions. + + Additional memory debugging support to track size and mctx + arguments. + + Detect duplicates of UDP queries we are recursing on and + drop them. New stats category "duplicates". + + "USE INTERNAL MALLOC" is now runtime selectable. + + The lame cache is now done on a basis + as some servers only appear to be lame for certain query + types. + + Limit the number of recursive clients that can be waiting + for a single query () to resolve. New + options clients-per-query and max-clients-per-query. + + dig: report the number of extra bytes still left in the + packet after processing all the records. + + Support for IPSECKEY rdata type. + + Raise the UDP recieve buffer size to 32k if it is less than 32k. + + x86 and x86_64 now have seperate atomic locking implementations. + + named-checkconf now validates update-policy entries. + + Attempt to make the amount of work performed in a iteration + self tuning. The covers nodes clean from the cache per + iteration, nodes written to disk when rewriting a master + file and nodes destroyed per iteration when destroying a + zone or a cache. + + ISC string copy API. + + Automatic empty zone creation for D.F.IP6.ARPA and friends. + Note: RFC 1918 zones are not yet covered by this but are + likely to be in a future release. + + New options: empty-server, empty-contact, empty-zones-enable + and disable-empty-zone. + + dig now has a '-q queryname' and '+showsearch' options. + + host/nslookup now continue (default)/fail on SERVFAIL. + + dig now warns if 'RA' is not set in the answer when 'RD' + was set in the query. host/nslookup skip servers that fail + to set 'RA' when 'RD' is set unless a server is explicitly + set. + + Integrate contibuted DLZ code into named. + + Integrate contibuted IDN code from JPNIC. + + libbind: corresponds to that from BIND 8.4.7. + +BIND 9.3.0 + + DNSSEC is now DS based (RFC 3658). + See also RFC 3845, doc/draft/draft-ietf-dnsext-dnssec-*. + + DNSSEC lookaside validation. + + check-names is now implemented. + rrset-order in more complete. + + IPv4/IPv6 transition support, dual-stack-servers. + + IXFR deltas can now be generated when loading master files, + ixfr-from-differences. + + It is now possible to specify the size of a journal, max-journal-size. + + It is now possible to define a named set of master servers to be + used in masters clause, masters. + + The advertised EDNS UDP size can now be set, edns-udp-size. + + allow-v6-synthesis has been obsoleted. + + NOTE: + * Zones containing MD and MF will now be rejected. + * dig, nslookup name. now report "Not Implemented" as + NOTIMP rather than NOTIMPL. This will have impact on scripts + that are looking for NOTIMPL. + + libbind: corresponds to that from BIND 8.4.5. + +BIND 9.2.0 + + The size of the cache can now be limited using the + "max-cache-size" option. + + The server can now automatically convert RFC1886-style recursive + lookup requests into RFC2874-style lookups, when enabled using the + new option "allow-v6-synthesis". This allows stub resolvers that + support AAAA records but not A6 record chains or binary labels to + perform lookups in domains that make use of these IPv6 DNS + features. + + Performance has been improved. + + The man pages now use the more portable "man" macros rather than + the "mandoc" macros, and are installed by "make install". + + The named.conf parser has been completely rewritten. It now + supports "include" directives in more places such as inside "view" + statements, and it no longer has any reserved words. + + The "rndc status" command is now implemented. + + rndc can now be configured automatically. + + A BIND 8 compatible stub resolver library is now included in + lib/bind. + + OpenSSL has been removed from the distribution. This means that to + use DNSSEC, OpenSSL must be installed and the --with-openssl option + must be supplied to configure. This does not apply to the use of + TSIG, which does not require OpenSSL. + + The source distribution now builds on Windows. See + win32utils/readme1.txt and win32utils/win32-build.txt for details. + + This distribution also includes a new lightweight stub + resolver library and associated resolver daemon that fully + support forward and reverse lookups of both IPv4 and IPv6 + addresses. This library is considered experimental and + is not a complete replacement for the BIND 8 resolver library. + Applications that use the BIND 8 res_* functions to perform + DNS lookups or dynamic updates still need to be linked against + the BIND 8 libraries. For DNS lookups, they can also use the + new "getrrsetbyname()" API. + + BIND 9.2 is capable of acting as an authoritative server + for DNSSEC secured zones. This functionality is believed to + be stable and complete except for lacking support for + verifications involving wildcard records in secure zones. + + When acting as a caching server, BIND 9.2 can be configured + to perform DNSSEC secure resolution on behalf of its clients. + This part of the DNSSEC implementation is still considered + experimental. For detailed information about the state of the + DNSSEC implementation, see the file doc/misc/dnssec. + + There are a few known bugs: + + On some systems, IPv6 and IPv4 sockets interact in + unexpected ways. For details, see doc/misc/ipv6. + To reduce the impact of these problems, the server + no longer listens for requests on IPv6 addresses + by default. If you need to accept DNS queries over + IPv6, you must specify "listen-on-v6 { any; };" + in the named.conf options statement. + + FreeBSD prior to 4.2 (and 4.2 if running as non-root) + and OpenBSD prior to 2.8 log messages like + "fcntl(8, F_SETFL, 4): Inappropriate ioctl for device". + This is due to a bug in "/dev/random" and impacts the + server's DNSSEC support. + + OS X 10.1.4 (Darwin 5.4), OS X 10.1.5 (Darwin 5.5) and + OS X 10.2 (Darwin 6.0) reports errors like + "fcntl(3, F_SETFL, 4): Operation not supported by device". + This is due to a bug in "/dev/random" and impacts the + server's DNSSEC support. + + --with-libtool does not work on AIX. + + A bug in some versions of the Microsoft DNS server can cause zone + transfers from a BIND 9 server to a W2K server to fail. For details, + see the "Zone Transfers" section in doc/misc/migration. diff --git a/KNOWN-DEFECTS b/KNOWN-DEFECTS deleted file mode 100644 index 83d7175..0000000 --- a/KNOWN-DEFECTS +++ /dev/null @@ -1,15 +0,0 @@ -dnssec-signzone was designed so that it could sign a zone partially, using -only a subset of the DNSSEC keys needed to produce a fully-signed zone. -This permits a zone administrator, for example, to sign a zone with one -key on one machine, move the resulting partially-signed zone to a second -machine, and sign it again with a second key. - -An unfortunate side-effect of this flexibility is that dnssec-signzone -does not check to make sure it's signing a zone with any valid keys at -all. An attempt to sign a zone without any keys will appear to succeed, -producing a "signed" zone with no signatures. There is no warning issued -when a zone is not signed. - -This will be corrected in a future release. In the meantime, ISC -recommends examining the output of dnssec-signzone to confirm that -the zone is properly signed by all keys before using it. diff --git a/Makefile.in b/Makefile.in index e4d5639..95944d9 100644 --- a/Makefile.in +++ b/Makefile.in @@ -13,7 +13,7 @@ # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR # PERFORMANCE OF THIS SOFTWARE. -# $Id: Makefile.in,v 1.52.48.2 2009-02-20 23:47:23 tbox Exp $ +# $Id: Makefile.in,v 1.58 2009-11-26 20:52:44 marka Exp $ srcdir = @srcdir@ VPATH = @srcdir@ @@ -21,13 +21,13 @@ top_srcdir = @top_srcdir@ @BIND9_VERSION@ -SUBDIRS = make lib bin doc +SUBDIRS = make lib bin doc @LIBEXPORT@ TARGETS = MANPAGES = isc-config.sh.1 - + HTMLPAGES = isc-config.sh.html - + MANOBJS = ${MANPAGES} ${HTMLPAGES} @BIND9_MAKE_RULES@ @@ -54,7 +54,8 @@ installdirs: install:: isc-config.sh installdirs ${INSTALL_SCRIPT} isc-config.sh ${DESTDIR}${bindir} - ${INSTALL_DATA} ${srcdir}/isc-config.sh.1 ${DESTDIR}${mandir}/man1 + ${INSTALL_DATA} ${top_srcdir}/isc-config.sh.1 ${DESTDIR}${mandir}/man1 + ${INSTALL_DATA} ${top_srcdir}/bind.keys ${DESTDIR}${sysconfdir} tags: rm -f TAGS diff --git a/NSEC3-NOTES b/NSEC3-NOTES deleted file mode 100644 index 3f8d8f9..0000000 --- a/NSEC3-NOTES +++ /dev/null @@ -1,128 +0,0 @@ - - DNSSEC and UPDATE - - Converting from insecure to secure - -As of BIND 9.6.0 it is possible to move a zone between being insecure -to secure and back again. A secure zone can be using NSEC or NSEC3. - -To move a zone from insecure to secure you need to configure named -so that it can see the K* files which contain the public and private -parts of the keys that will be used to sign the zone. These files -will have been generated by dnssec-keygen. You can do this by -placing them in the key-directory as specified in named.conf. - - zone example.net { - type master; - allow-update { .... }; - file "dynamic/example.net/example.net"; - key-directory "dynamic/example.net"; - }; - -Assuming one KSK and one ZSK DNSKEY key have been generated. Then -this will cause the zone to be signed with the ZSK and the DNSKEY -RRset to be signed with the KSK DNSKEY. A NSEC chain will also be -generated as part of the initial signing process. - - % nsupdate - > ttl 3600 - > update add example.net DNSKEY 256 3 7 AwEAAZn17pUF0KpbPA2c7Gz76Vb18v0teKT3EyAGfBfL8eQ8al35zz3Y I1m/SAQBxIqMfLtIwqWPdgthsu36azGQAX8= - > update add example.net DNSKEY 257 3 7 AwEAAd/7odU/64o2LGsifbLtQmtO8dFDtTAZXSX2+X3e/UNlq9IHq3Y0 XtC0Iuawl/qkaKVxXe2lo8Ct+dM6UehyCqk= - > send - -While the update request will complete almost immediately the zone -will not be completely signed until named has had time to walk the -zone and generate the NSEC and RRSIG records. Initially the NSEC -record at the zone apex will have the OPT bit set. When the NSEC -chain is complete the OPT bit will be cleared. Additionally when -the zone is fully signed the private type (default TYPE65534) records -will have a non zero value for the final octet. - -The private type record has 5 octets. - algorithm (octet 1) - key id in network order (octet 2 and 3) - removal flag (octet 4) - complete flag (octet 5) - -If you wish to go straight to a secure zone using NSEC3 you should -also add a NSEC3PARAM record to the update request with the flags -field set to indicate whether the NSEC3 chain will have the OPTOUT -bit set or not. - - % nsupdate - > ttl 3600 - > update add example.net DNSKEY 256 3 7 AwEAAZn17pUF0KpbPA2c7Gz76Vb18v0teKT3EyAGfBfL8eQ8al35zz3Y I1m/SAQBxIqMfLtIwqWPdgthsu36azGQAX8= - > update add example.net DNSKEY 257 3 7 AwEAAd/7odU/64o2LGsifbLtQmtO8dFDtTAZXSX2+X3e/UNlq9IHq3Y0 XtC0Iuawl/qkaKVxXe2lo8Ct+dM6UehyCqk= - > update add example.net NSEC3PARAM 1 1 100 1234567890 - > send - -Again the update request will complete almost immediately however the -NSEC3PARAM record will have additional flag bits set indicating that the -NSEC3 chain is under construction. When the NSEC3 chain is complete the -flags field will be set to zero. - -While the initial signing and NSEC/NSEC3 chain generation is happening -other updates are possible. - - DNSKEY roll overs via UPDATE - -It is possible to perform key rollovers via update. You need to -add the K* files for the new keys so that named can find them. You -can then add the new DNSKEY RRs via update. Named will then cause -the zone to be signed with the new keys. When the signing is -complete the private type records will be updated so that the last -octet is non zero. - -If this is for a KSK you need to inform the parent and any trust -anchor repositories of the new KSK. - -You should then wait for the maximum TLL in the zone before removing the -old DNSKEY. If it is a KSK that is being updated you also need to wait -for the DS RRset in the parent to be updated and its TTL to expire. -This ensures that all clients will be able to verify at least a signature -when you remove the old DNSKEY. - -The old DNSKEY can be removed via UPDATE. Take care to specify -the correct key. Named will clean out any signatures generated by -the old key after the update completes. - - NSEC3PARAM rollovers via UPDATE. - -Add the new NSEC3PARAM record via update. When the new NSEC3 chain -has been generated the NSEC3PARAM flag field will be zero. At this -point you can remove the old NSEC3PARAM record. The old chain will -be removed after the update request completes. - - Converting from NSEC to NSEC3 - -To do this you just need to add a NSEC3PARAM record. When the -conversion is complete the NSEC chain will have been removed and -the NSEC3PARAM record will have a zero flag field. The NSEC3 chain -will be generated before the NSEC chain is destroyed. - - Converting from NSEC3 to NSEC - -To do this remove all NSEC3PARAM records with a zero flag field. The -NSEC chain will be generated before the NSEC3 chain is removed. - - Converting from secure to insecure - -To do this remove all the DNSKEY records. Any NSEC or NSEC3 chains -will be removed as well as associated NSEC3PARAM records. This will -take place after the update requests completes. - - Periodic re-signing. - -Named will periodically re-sign RRsets which have not been re-signed -as a result of some update action. The signature lifetimes will -be adjusted so as to spread the re-sign load over time rather than -all at once. - - NSEC3 and OPTOUT - -Named only supports creating new NSEC3 chains where all the NSEC3 -records in the zone have the same OPTOUT state. Named supports -UPDATES to zones where the NSEC3 records in the chain have mixed -OPTOUT state. Named does not support changing the OPTOUT state of -an individual NSEC3 record, the entire chain needs to be changed if -the OPTOUT state of an individual NSEC3 needs to be changed. diff --git a/README b/README index 54d90fe..00010c3 100644 --- a/README +++ b/README @@ -42,368 +42,95 @@ BIND 9 Stichting NLnet - NLnet Foundation Nominum, Inc. -BIND 9.6.3 - - BIND 9.6.3 is a maintenance release, fixing bugs in 9.6.2. - -BIND 9.6.2 - - BIND 9.6.2 is a maintenance release, fixing bugs in 9.6.1. - It also introduces support for the SHA-2 DNSSEC algorithms, - RSASHA256 and RSASHA512. - - Known issues in this release: - - - A validating resolver that has been incorrectly configured with - an invalid trust anchor will be unable to resolve names covered - by that trust anchor. In all current versions of BIND 9, such a - resolver will also generate significant unnecessary DNS traffic - while trying to validate. The latter problem will be addressed - in future BIND 9 releases. In the meantime, to avoid these - problems, exercise caution when configuring "trusted-keys": - make sure all keys are correct and current when you add them, - and update your configuration in a timely manner when keys - roll over. - -BIND 9.6.1 - - BIND 9.6.1 is a maintenance release, fixing bugs in 9.6.0. - -BIND 9.6.0 - - BIND 9.6.0 includes a number of changes from BIND 9.5 and earlier - releases, including: - - Full NSEC3 support - - Automatic zone re-signing - - New update-policy methods tcp-self and 6to4-self - - The BIND 8 resolver library, libbind, has been removed from the - BIND 9 distribution and is now available as a separate download. - - Change the default pid file location from /var/run to - /var/run/{named,lwresd} for improved chroot/setuid support. - -BIND 9.5.0 - - BIND 9.5.0 has a number of new features over 9.4, - including: - - GSS-TSIG support (RFC 3645). - - DHCID support. - - Experimental http server and statistics support for named via xml. - - More detailed statistics counters including those supported in BIND 8. - - Faster ACL processing. - - Use Doxygen to generate internal documentation. - - Efficient LRU cache-cleaning mechanism. - - NSID support. - -BIND 9.4.0 - - BIND 9.4.0 has a number of new features over 9.3, - including: - - Implemented "additional section caching (or acache)", an - internal cache framework for additional section content to - improve response performance. Several configuration options - were provided to control the behavior. - - New notify type 'master-only'. Enable notify for master - zones only. - - Accept 'notify-source' style syntax for query-source. - - rndc now allows addresses to be set in the server clauses. - - New option "allow-query-cache". This lets "allow-query" - be used to specify the default zone access level rather - than having to have every zone override the global value. - "allow-query-cache" can be set at both the options and view - levels. If "allow-query-cache" is not set then "allow-recursion" - is used if set, otherwise "allow-query" is used if set - unless "recursion no;" is set in which case "none;" is used, - otherwise the default (localhost; localnets;) is used. - - rndc: the source address can now be specified. - - ixfr-from-differences now takes master and slave in addition - to yes and no at the options and view levels. - - Allow the journal's name to be changed via named.conf. - - 'rndc notify zone [class [view]]' resend the NOTIFY messages - for the specified zone. - - 'dig +trace' now randomly selects the next servers to try. - Report if there is a bad delegation. - - Improve check-names error messages. - - Make public the function to read a key file, dst_key_read_public(). - - dig now returns the byte count for axfr/ixfr. - - allow-update is now settable at the options / view level. - - named-checkconf now checks the logging configuration. - - host now can turn on memory debugging flags with '-m'. - - Don't send notify messages to self. - - Perform sanity checks on NS records which refer to 'in zone' names. - - New zone option "notify-delay". Specify a minimum delay - between sets of NOTIFY messages. - - Extend adjusting TTL warning messages. - - Named and named-checkzone can now both check for non-terminal - wildcard records. - - "rndc freeze/thaw" now freezes/thaws all zones. - - named-checkconf now check acls to verify that they only - refer to existing acls. - - The server syntax has been extended to support a range of - servers. - - Report differences between hints and real NS rrset and - associated address records. - - Preserve the case of domain names in rdata during zone - transfers. - - Restructured the data locking framework using architecture - dependent atomic operations (when available), improving - response performance on multi-processor machines significantly. - x86, x86_64, alpha, powerpc, and mips are currently supported. - - UNIX domain controls are now supported. - - Add support for additional zone file formats for improving - loading performance. The masterfile-format option in - named.conf can be used to specify a non-default format. A - separate command named-compilezone was provided to generate - zone files in the new format. Additionally, the -I and -O - options for dnssec-signzone specify the input and output - formats. - - dnssec-signzone can now randomize signature end times - (dnssec-signzone -j jitter). - - Add support for CH A record. - - Add additional zone data constancy checks. named-checkzone - has extended checking of NS, MX and SRV record and the hosts - they reference. named has extended post zone load checks. - New zone options: check-mx and integrity-check. - - - edns-udp-size can now be overridden on a per server basis. - - dig can now specify the EDNS version when making a query. - - Added framework for handling multiple EDNS versions. - - Additional memory debugging support to track size and mctx - arguments. - - Detect duplicates of UDP queries we are recursing on and - drop them. New stats category "duplicates". - - "USE INTERNAL MALLOC" is now runtime selectable. - - The lame cache is now done on a basis - as some servers only appear to be lame for certain query - types. - - Limit the number of recursive clients that can be waiting - for a single query () to resolve. New - options clients-per-query and max-clients-per-query. - - dig: report the number of extra bytes still left in the - packet after processing all the records. - - Support for IPSECKEY rdata type. - - Raise the UDP recieve buffer size to 32k if it is less than 32k. - - x86 and x86_64 now have seperate atomic locking implementations. - - named-checkconf now validates update-policy entries. - - Attempt to make the amount of work performed in a iteration - self tuning. The covers nodes clean from the cache per - iteration, nodes written to disk when rewriting a master - file and nodes destroyed per iteration when destroying a - zone or a cache. - - ISC string copy API. - - Automatic empty zone creation for D.F.IP6.ARPA and friends. - Note: RFC 1918 zones are not yet covered by this but are - likely to be in a future release. - - New options: empty-server, empty-contact, empty-zones-enable - and disable-empty-zone. - - dig now has a '-q queryname' and '+showsearch' options. - - host/nslookup now continue (default)/fail on SERVFAIL. - - dig now warns if 'RA' is not set in the answer when 'RD' - was set in the query. host/nslookup skip servers that fail - to set 'RA' when 'RD' is set unless a server is explicitly - set. - - Integrate contibuted DLZ code into named. - - Integrate contibuted IDN code from JPNIC. - - libbind: corresponds to that from BIND 8.4.7. - -BIND 9.3.0 - - BIND 9.3.0 has a number of new features over 9.2, - including: - - DNSSEC is now DS based (RFC 3658). - See also RFC 3845, doc/draft/draft-ietf-dnsext-dnssec-*. - - DNSSEC lookaside validation. - - check-names is now implemented. - rrset-order in more complete. - - IPv4/IPv6 transition support, dual-stack-servers. - - IXFR deltas can now be generated when loading master files, - ixfr-from-differences. - - It is now possible to specify the size of a journal, max-journal-size. - - It is now possible to define a named set of master servers to be - used in masters clause, masters. - - The advertised EDNS UDP size can now be set, edns-udp-size. - - allow-v6-synthesis has been obsoleted. - - NOTE: - * Zones containing MD and MF will now be rejected. - * dig, nslookup name. now report "Not Implemented" as - NOTIMP rather than NOTIMPL. This will have impact on scripts - that are looking for NOTIMPL. - - libbind: corresponds to that from BIND 8.4.5. - -BIND 9.2.0 - - BIND 9.2.0 has a number of new features over 9.1, - including: - - - The size of the cache can now be limited using the - "max-cache-size" option. - - - The server can now automatically convert RFC1886-style - recursive lookup requests into RFC2874-style lookups, - when enabled using the new option "allow-v6-synthesis". - This allows stub resolvers that support AAAA records - but not A6 record chains or binary labels to perform - lookups in domains that make use of these IPv6 DNS - features. - - - Performance has been improved. - - - The man pages now use the more portable "man" macros - rather than the "mandoc" macros, and are installed - by "make install". - - - The named.conf parser has been completely rewritten. - It now supports "include" directives in more - places such as inside "view" statements, and it no - longer has any reserved words. - - - The "rndc status" command is now implemented. - - - rndc can now be configured automatically. - - - A BIND 8 compatible stub resolver library is now - included in lib/bind. - - - OpenSSL has been removed from the distribution. This - means that to use DNSSEC, OpenSSL must be installed and - the --with-openssl option must be supplied to configure. - This does not apply to the use of TSIG, which does not - require OpenSSL. - - - The source distribution now builds on Windows. - See win32utils/readme1.txt and win32utils/win32-build.txt - for details. - - This distribution also includes a new lightweight stub - resolver library and associated resolver daemon that fully - support forward and reverse lookups of both IPv4 and IPv6 - addresses. This library is considered experimental and - is not a complete replacement for the BIND 8 resolver library. - Applications that use the BIND 8 res_* functions to perform - DNS lookups or dynamic updates still need to be linked against - the BIND 8 libraries. For DNS lookups, they can also use the - new "getrrsetbyname()" API. - - BIND 9.2 is capable of acting as an authoritative server - for DNSSEC secured zones. This functionality is believed to - be stable and complete except for lacking support for - verifications involving wildcard records in secure zones. - - When acting as a caching server, BIND 9.2 can be configured - to perform DNSSEC secure resolution on behalf of its clients. - This part of the DNSSEC implementation is still considered - experimental. For detailed information about the state of the - DNSSEC implementation, see the file doc/misc/dnssec. - - There are a few known bugs: - - On some systems, IPv6 and IPv4 sockets interact in - unexpected ways. For details, see doc/misc/ipv6. - To reduce the impact of these problems, the server - no longer listens for requests on IPv6 addresses - by default. If you need to accept DNS queries over - IPv6, you must specify "listen-on-v6 { any; };" - in the named.conf options statement. - - FreeBSD prior to 4.2 (and 4.2 if running as non-root) - and OpenBSD prior to 2.8 log messages like - "fcntl(8, F_SETFL, 4): Inappropriate ioctl for device". - This is due to a bug in "/dev/random" and impacts the - server's DNSSEC support. - - OS X 10.1.4 (Darwin 5.4), OS X 10.1.5 (Darwin 5.5) and - OS X 10.2 (Darwin 6.0) reports errors like - "fcntl(3, F_SETFL, 4): Operation not supported by device". - This is due to a bug in "/dev/random" and impacts the - server's DNSSEC support. - - --with-libtool does not work on AIX. - - A bug in some versions of the Microsoft DNS server can cause zone - transfers from a BIND 9 server to a W2K server to fail. For details, - see the "Zone Transfers" section in doc/misc/migration. + For a summary of functional enhancements in previous + releases, see the HISTORY file. For a detailed list of user-visible changes from previous releases, see the CHANGES file. +BIND 9.8.0 + + BIND 9.8.0 includes a number of changes from BIND 9.7 and earlier + releases. New features include: + + - Built-in trust anchor for the root zone, which can be + switched on via "dnssec-validation auto;" + - Support for DNS64. + - Support for response policy zones (RPZ). + - Support for writable DLZ zones. + - Improved ease of configuration of GSS/TSIG for + interoperability with Active Directory + - Support for GOST signing algorithm for DNSSEC. + - Removed RTT Banding from server selection algorithm. + - New "static-stub" zone type. + - Allow configuration of resolver timeouts via + "resolver-query-timeout" option. + +BIND 9.7.0 + + BIND 9.7.0 includes a number of changes from BIND 9.6 and earlier + releases. Most are intended to simplify DNSSEC configuration. + + New features include: + + - Fully automatic signing of zones by "named". + - Simplified configuration of DNSSEC Lookaside Validation (DLV). + - Simplified configuration of Dynamic DNS, using the "ddns-confgen" + command line tool or the "local" update-policy option. (As a side + effect, this also makes it easier to configure automatic zone + re-signing.) + - New named option "attach-cache" that allows multiple views to + share a single cache. + - DNS rebinding attack prevention. + - New default values for dnssec-keygen parameters. + - Support for RFC 5011 automated trust anchor maintenance + - Smart signing: simplified tools for zone signing and key + maintenance. + - The "statistics-channels" option is now available on Windows. + - A new DNSSEC-aware libdns API for use by non-BIND9 applications + - On some platforms, named and other binaries can now print out + a stack backtrace on assertion failure, to aid in debugging. + - A "tools only" installation mode on Windows, which only installs + dig, host, nslookup and nsupdate. + - Improved PKCS#11 support, including Keyper support and explicit + OpenSSL engine selection. + + Known issues in this release: + + - In rare cases, DNSSEC validation can leak memory. When this + happens, it will cause an assertion failure when named exits, + but is otherwise harmless. A fix exists, but was too late for + this release; it will be included in BIND 9.7.1. + + Compatibility notes: + + - If you had built BIND 9.6 with any of ALLOW_NSEC3PARAM_UPDATE, + ALLOW_SECURE_TO_INSECURE or ALLOW_INSECURE_TO_SECURE defined, then + you should ensure that all changes that are in progress have + completed prior to upgrading to BIND 9.7. BIND 9.7 implements + those features in a way which is not backwards compatible. + + - Prior releases had a bug which caused HMAC-SHA* keys with long + secrets to be used incorrectly. Fixing this bug means that older + versions of BIND 9 may fail to interoperate with this version + when using TSIG keys. If this occurs, the new "isc-hmac-fixup" + tool will convert a key with a long secret into a form that works + correctly with all versions of BIND 9. See the "isc-hmac-fixup" + man page for additional details. + + - Revoking a DNSSEC key with "dnssec-revoke" changes its key ID. + It is possible for the new key ID to collide with that of a + different key. Newly generated keys will not have this problem, + as "dnssec-keygen" looks for potential collisions before + generating keys, but exercise caution if using key revokation + with keys that were generated by older versions of BIND 9. See + the Administrator's Reference Manual, section 4.10 ("Dynamic + Trust Anchor Management") for more details. + + - A bug was fixed in which a key's scheduled inactivity date was + stored incorectly. Users who participated in the 9.7.0 BETA test + and had DNSSEC keys with scheduled inactivity dates will need to + reset those keys' dates using "dnssec-settime -I". Building @@ -417,7 +144,7 @@ Building FreeBSD 4.10, 5.2.1, 6.2 HP-UX 11.11 Mac OS X 10.5 - NetBSD 3.x and 4.0-beta + NetBSD 3.x, 4.0-beta, 5.0-beta OpenBSD 3.3 and up Solaris 8, 9, 9 (x86), 10 Ubuntu 7.04, 7.10 @@ -594,6 +321,9 @@ Documentation Frequently asked questions and their answers can be found in FAQ. + Additional information on various subjects can be found + in the other README files. + Bug Reports and Mailing Lists diff --git a/README.idnkit b/README.idnkit deleted file mode 100644 index f5255f5..0000000 --- a/README.idnkit +++ /dev/null @@ -1,112 +0,0 @@ - - BIND-9 IDN patch - - Japan Network Information Center (JPNIC) - - -* What is this patch for? - -This patch adds internationalized domain name (IDN) support to BIND-9. -You'll get internationalized version of dig/host/nslookup commands. - - + internationalized dig/host/nslookup - dig/host/nslookup accepts non-ASCII domain names in the local - codeset (such as Shift JIS, Big5 or ISO8859-1) determined by - the locale information. The domain names are normalized and - converted to the encoding on the DNS protocol, and sent to DNS - servers. The replies are converted back to the local codeset - and displayed. - - -* Compilation & installation - -0. Prerequisite - -You have to build and install idnkit before building this patched version -of bind-9. - -1. Running configure script - -Run `configure' in the top directory. See `README' for the -configuration options. - -This patch adds the following 4 options to `configure'. You should -at least specify `--with-idn' option to enable IDN support. - - --with-idn[=IDN_PREFIX] - To enable IDN support, you have to specify `--with-idn' option. - The argument IDN_PREFIX is the install prefix of idnkit. If - IDN_PREFIX is omitted, PREFIX (derived from `--prefix=PREFIX') - is assumed. - - --with-libiconv[=LIBICONV_PREFIX] - Specify this option if idnkit you have installed links GNU - libiconv. The argument LIBICONV_PREFIX is install prefix of - GNU libiconv. If the argument is omitted, PREFIX (derived - from `--prefix=PREFIX') is assumed. - - `--with-libiconv' is shorthand option for GNU libiconv. - - --with-libiconv=/usr/local - - This is equivalent to: - - --with-iconv='-L/usr/local/lib -R/usr/local/lib -liconv' - - `--with-libiconv' assumes that your C compiler has `-R' - option, and that the option adds the specified run-time path - to an executable binary. If `-R' option of your compiler has - different meaning, or your compiler lacks the option, you - should use `--with-iconv' option instead. Binary command - without run-time path information might be unexecutable. - In that case, you would see an error message like: - - error in loading shared libraries: libiconv.so.2: cannot - open shared object file - - If both `--with-libiconv' and `--with-iconv' options are - specified, `--with-iconv' is prior to `--with-libiconv'. - - --with-iconv=ICONV_LIBSPEC - If your libc doesn't provide iconv(), you need to specify the - library containing iconv() with this option. `ICONV_LIBSPEC' - is the argument(s) to `cc' or `ld' to link the library, for - example, `--with-iconv="-L/usr/local/lib -liconv"'. - You don't need to specify the header file directory for "iconv.h" - to the compiler, as it isn't included directly by bind-9 with - this patch. - - --with-idnlib=IDN_LIBSPEC - With this option, you can explicitly specify the argument(s) - to `cc' or `ld' to link the idnkit's library, `libidnkit'. If - this option is not specified, `-L${PREFIX}/lib -lidnkit' is - assumed, where ${PREFIX} is the installation prefix specified - with `--with-idn' option above. You may need to use this - option to specify extra arguments, for example, - `--with-idnlib="-L/usr/local/lib -R/usr/local/lib -lidnkit"'. - -Please consult `README' for other configuration options. - -Note that if you want to specify some extra header file directories, -you should use the environment variable STD_CINCLUDES instead of -CFLAGS, as described in README. - -2. Compilation and installation - -After running "configure", just do - - make - make install - -for compiling and installing. - - -* Contact information - -Please see http//www.nic.ad.jp/en/idn/ for the latest news -about idnkit and this patch. - -Bug reports and comments on this kit should be sent to -mdnkit-bugs@nic.ad.jp and idn-cmt@nic.ad.jp, respectively. - -; $Id: README.idnkit,v 1.2.762.1 2009-01-18 23:25:14 marka Exp $ diff --git a/README.pkcs11 b/README.pkcs11 deleted file mode 100644 index b58640d..0000000 --- a/README.pkcs11 +++ /dev/null @@ -1,61 +0,0 @@ - - BIND-9 PKCS#11 support - -Prerequisite - -The PKCS#11 support needs a PKCS#11 OpenSSL engine based on the Solaris one, -released the 2007-11-21 for OpenSSL 0.9.8g, with a bug fix (call to free) -and some improvements, including user friendly PIN management. - -Compilation - -"configure --with-pkcs11 ..." - -PKCS#11 Libraries - -Tested with Solaris one with a SCA board and with openCryptoki with the -software token. - -OpenSSL Engines - -With PKCS#11 support the PKCS#11 engine is statically loaded but at its -initialization it dynamically loads the PKCS#11 objects. -Even the pre commands are therefore unused they are defined with: - SO_PATH: - define: PKCS11_SO_PATH - default: /usr/local/lib/engines/engine_pkcs11.so - MODULE_PATH: - define: PKCS11_MODULE_PATH - default: /usr/lib/libpkcs11.so -Without PKCS#11 support, a specific OpenSSL engine can be still used -by defining ENGINE_ID at compile time. - -PKCS#11 tools - -The contrib/pkcs11-keygen directory contains a set of experimental tools -to handle keys stored in a Hardware Security Module at the benefit of BIND. - -The patch for OpenSSL 0.9.8g is in this directory. Read its README.pkcs11 -for the way to use it (these are the original notes so with the original -path, etc. Define OPENCRYPTOKI to use it with openCryptoki.) - -PIN management - -With the just fixed PKCS#11 OpenSSL engine, the PIN should be entered -each time it is required. With the improved engine, the PIN should be -entered the first time it is required or can be configured in the -OpenSSL configuration file (aka. openssl.cnf) by adding in it: - - at the beginning: - openssl_conf = openssl_def - - at any place these sections: - [ openssl_def ] - engines = engine_section - [ engine_section ] - pkcs11 = pkcs11_section - [ pkcs11_section ] - PIN = put__your__pin__value__here - -Note - -Some names here are registered trademarks, at least Solaris is a trademark -of Sun Microsystems Inc... diff --git a/acconfig.h b/acconfig.h index d64404a..d9da221 100644 --- a/acconfig.h +++ b/acconfig.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004, 2005, 2007, 2009 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004, 2005, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: acconfig.h,v 1.51.334.2 2009-02-16 23:47:15 tbox Exp $ */ +/* $Id: acconfig.h,v 1.53 2008-12-01 23:47:44 tbox Exp $ */ /*! \file */ diff --git a/bin/Makefile.in b/bin/Makefile.in index 1694268..d263d79 100644 --- a/bin/Makefile.in +++ b/bin/Makefile.in @@ -1,4 +1,4 @@ -# Copyright (C) 2004, 2007 Internet Systems Consortium, Inc. ("ISC") +# Copyright (C) 2004, 2007, 2009 Internet Systems Consortium, Inc. ("ISC") # Copyright (C) 1998-2001 Internet Software Consortium. # # Permission to use, copy, modify, and/or distribute this software for any @@ -13,13 +13,14 @@ # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR # PERFORMANCE OF THIS SOFTWARE. -# $Id: Makefile.in,v 1.25 2007-06-19 23:46:59 tbox Exp $ +# $Id: Makefile.in,v 1.29 2009-10-05 12:07:08 fdupont Exp $ srcdir = @srcdir@ VPATH = @srcdir@ top_srcdir = @top_srcdir@ -SUBDIRS = named rndc dig dnssec tests nsupdate check +SUBDIRS = named rndc dig dnssec tests tools nsupdate \ + check confgen @PKCS11_TOOLS@ TARGETS = @BIND9_MAKE_RULES@ diff --git a/bin/check/Makefile.in b/bin/check/Makefile.in index 46271c7..d5827dc 100644 --- a/bin/check/Makefile.in +++ b/bin/check/Makefile.in @@ -1,4 +1,4 @@ -# Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") +# Copyright (C) 2004-2007, 2009 Internet Systems Consortium, Inc. ("ISC") # Copyright (C) 2000-2003 Internet Software Consortium. # # Permission to use, copy, modify, and/or distribute this software for any @@ -13,7 +13,7 @@ # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR # PERFORMANCE OF THIS SOFTWARE. -# $Id: Makefile.in,v 1.32 2007-06-19 23:46:59 tbox Exp $ +# $Id: Makefile.in,v 1.36 2009-12-05 23:31:40 each Exp $ srcdir = @srcdir@ VPATH = @srcdir@ @@ -32,6 +32,7 @@ CWARNINGS = DNSLIBS = ../../lib/dns/libdns.@A@ @DNS_CRYPTO_LIBS@ ISCCFGLIBS = ../../lib/isccfg/libisccfg.@A@ ISCLIBS = ../../lib/isc/libisc.@A@ +ISCNOSYMLIBS = ../../lib/isc/libisc-nosymtbl.@A@ BIND9LIBS = ../../lib/bind9/libbind9.@A@ DNSDEPLIBS = ../../lib/dns/libdns.@A@ @@ -39,7 +40,8 @@ ISCCFGDEPLIBS = ../../lib/isccfg/libisccfg.@A@ ISCDEPLIBS = ../../lib/isc/libisc.@A@ BIND9DEPLIBS = ../../lib/bind9/libbind9.@A@ -LIBS = @LIBS@ +LIBS = ${ISCLIBS} @LIBS@ +NOSYMLIBS = ${ISCNOSYMLIBS} @LIBS@ SUBDIRS = @@ -69,14 +71,14 @@ named-checkzone.@O@: named-checkzone.c named-checkconf@EXEEXT@: named-checkconf.@O@ check-tool.@O@ ${ISCDEPLIBS} \ ${ISCCFGDEPLIBS} ${BIND9DEPLIBS} - ${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ \ - named-checkconf.@O@ check-tool.@O@ ${BIND9LIBS} ${ISCCFGLIBS} \ - ${DNSLIBS} ${ISCLIBS} ${LIBS} + export BASEOBJS="named-checkconf.@O@ check-tool.@O@"; \ + export LIBS0="${BIND9LIBS} ${ISCCFGLIBS} ${DNSLIBS}"; \ + ${FINALBUILDCMD} named-checkzone@EXEEXT@: named-checkzone.@O@ check-tool.@O@ ${ISCDEPLIBS} ${DNSDEPLIBS} - ${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ \ - named-checkzone.@O@ check-tool.@O@ ${ISCCFGLIBS} ${DNSLIBS} \ - ${ISCLIBS} ${LIBS} + export BASEOBJS="named-checkzone.@O@ check-tool.@O@"; \ + export LIBS0="${ISCCFGLIBS} ${DNSLIBS}"; \ + ${FINALBUILDCMD} doc man:: ${MANOBJS} diff --git a/bin/check/check-tool.c b/bin/check/check-tool.c index ed9224b..4d2ca5c 100644 --- a/bin/check/check-tool.c +++ b/bin/check/check-tool.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: check-tool.c,v 1.35.36.5 2010-09-07 23:46:05 tbox Exp $ */ +/* $Id: check-tool.c,v 1.41 2010-09-07 23:46:59 tbox Exp $ */ /*! \file */ @@ -601,8 +601,7 @@ load_zone(isc_mem_t *mctx, const char *zonename, const char *filename, isc_buffer_add(&buffer, strlen(zonename)); dns_fixedname_init(&fixorigin); origin = dns_fixedname_name(&fixorigin); - CHECK(dns_name_fromtext(origin, &buffer, dns_rootname, - ISC_FALSE, NULL)); + CHECK(dns_name_fromtext(origin, &buffer, dns_rootname, 0, NULL)); CHECK(dns_zone_setorigin(zone, origin)); CHECK(dns_zone_setdbtype(zone, 1, (const char * const *) dbtype)); CHECK(dns_zone_setfile2(zone, filename, fileformat)); diff --git a/bin/check/check-tool.h b/bin/check/check-tool.h index f9273ff..4371ae2 100644 --- a/bin/check/check-tool.h +++ b/bin/check/check-tool.h @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: check-tool.h,v 1.14.334.2 2010-09-07 23:46:05 tbox Exp $ */ +/* $Id: check-tool.h,v 1.16 2010-09-07 23:46:59 tbox Exp $ */ #ifndef CHECK_TOOL_H #define CHECK_TOOL_H diff --git a/bin/check/named-checkconf.8 b/bin/check/named-checkconf.8 index 7131007..fabcfa9 100644 --- a/bin/check/named-checkconf.8 +++ b/bin/check/named-checkconf.8 @@ -1,4 +1,4 @@ -.\" Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") +.\" Copyright (C) 2004, 2005, 2007, 2009 Internet Systems Consortium, Inc. ("ISC") .\" Copyright (C) 2000-2002 Internet Software Consortium. .\" .\" Permission to use, copy, modify, and/or distribute this software for any @@ -13,7 +13,7 @@ .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR .\" PERFORMANCE OF THIS SOFTWARE. .\" -.\" $Id: named-checkconf.8,v 1.30.334.1 2009-07-11 01:55:20 tbox Exp $ +.\" $Id: named-checkconf.8,v 1.33 2009-12-29 01:14:03 tbox Exp $ .\" .hy 0 .ad l @@ -33,11 +33,29 @@ named\-checkconf \- named configuration file syntax checking tool .SH "SYNOPSIS" .HP 16 -\fBnamed\-checkconf\fR [\fB\-h\fR] [\fB\-v\fR] [\fB\-j\fR] [\fB\-t\ \fR\fB\fIdirectory\fR\fR] {filename} [\fB\-z\fR] +\fBnamed\-checkconf\fR [\fB\-h\fR] [\fB\-v\fR] [\fB\-j\fR] [\fB\-t\ \fR\fB\fIdirectory\fR\fR] {filename} [\fB\-p\fR] [\fB\-z\fR] .SH "DESCRIPTION" .PP \fBnamed\-checkconf\fR -checks the syntax, but not the semantics, of a named configuration file. +checks the syntax, but not the semantics, of a +\fBnamed\fR +configuration file. The file is parsed and checked for syntax errors, along with all files included by it. If no file is specified, +\fI/etc/named.conf\fR +is read by default. +.PP +Note: files that +\fBnamed\fR +reads in separate parser contexts, such as +\fIrndc.key\fR +and +\fIbind.keys\fR, are not automatically read by +\fBnamed\-checkconf\fR. Configuration errors in these files may cause +\fBnamed\fR +to fail to run, even if +\fBnamed\-checkconf\fR +was successful. +\fBnamed\-checkconf\fR +can be run on these files explicitly, however. .SH "OPTIONS" .PP \-h @@ -59,6 +77,13 @@ Print the version of the program and exit. .RE .PP +\-p +.RS 4 +Print out the +\fInamed.conf\fR +and included files in canonical form if no errors were detected. +.RE +.PP \-z .RS 4 Perform a test load of all master zones found in @@ -88,7 +113,7 @@ BIND 9 Administrator Reference Manual. .PP Internet Systems Consortium .SH "COPYRIGHT" -Copyright \(co 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") +Copyright \(co 2004, 2005, 2007, 2009 Internet Systems Consortium, Inc. ("ISC") .br Copyright \(co 2000\-2002 Internet Software Consortium. .br diff --git a/bin/check/named-checkconf.c b/bin/check/named-checkconf.c index 20983b5..521ed31 100644 --- a/bin/check/named-checkconf.c +++ b/bin/check/named-checkconf.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: named-checkconf.c,v 1.46.222.4 2010-09-07 23:46:05 tbox Exp $ */ +/* $Id: named-checkconf.c,v 1.54 2010-09-07 01:49:08 marka Exp $ */ /*! \file */ @@ -59,9 +59,12 @@ isc_log_t *logc = NULL; } while (0) /*% usage */ +ISC_PLATFORM_NORETURN_PRE static void +usage(void) ISC_PLATFORM_NORETURN_POST; + static void usage(void) { - fprintf(stderr, "usage: %s [-h] [-j] [-v] [-z] [-t directory] " + fprintf(stderr, "usage: %s [-h] [-j] [-p] [-v] [-z] [-t directory] " "[named.conf]\n", program); exit(1); } @@ -203,6 +206,24 @@ configure_zone(const char *vclass, const char *view, zfile = cfg_obj_asstring(fileobj); obj = NULL; + if (get_maps(maps, "check-dup-records", &obj)) { + if (strcasecmp(cfg_obj_asstring(obj), "warn") == 0) { + zone_options |= DNS_ZONEOPT_CHECKDUPRR; + zone_options &= ~DNS_ZONEOPT_CHECKDUPRRFAIL; + } else if (strcasecmp(cfg_obj_asstring(obj), "fail") == 0) { + zone_options |= DNS_ZONEOPT_CHECKDUPRR; + zone_options |= DNS_ZONEOPT_CHECKDUPRRFAIL; + } else if (strcasecmp(cfg_obj_asstring(obj), "ignore") == 0) { + zone_options &= ~DNS_ZONEOPT_CHECKDUPRR; + zone_options &= ~DNS_ZONEOPT_CHECKDUPRRFAIL; + } else + INSIST(0); + } else { + zone_options |= DNS_ZONEOPT_CHECKDUPRR; + zone_options &= ~DNS_ZONEOPT_CHECKDUPRRFAIL; + } + + obj = NULL; if (get_maps(maps, "check-mx", &obj)) { if (strcasecmp(cfg_obj_asstring(obj), "warn") == 0) { zone_options |= DNS_ZONEOPT_CHECKMX; @@ -387,6 +408,15 @@ load_zones_fromconfig(const cfg_obj_t *config, isc_mem_t *mctx) { return (result); } +static void +output(void *closure, const char *text, int textlen) { + UNUSED(closure); + if (fwrite(text, 1, textlen, stdout) != (size_t)textlen) { + perror("fwrite"); + exit(1); + } +} + /*% The main processing routine */ int main(int argc, char **argv) { @@ -399,10 +429,11 @@ main(int argc, char **argv) { int exit_status = 0; isc_entropy_t *ectx = NULL; isc_boolean_t load_zones = ISC_FALSE; + isc_boolean_t print = ISC_FALSE; isc_commandline_errprint = ISC_FALSE; - while ((c = isc_commandline_parse(argc, argv, "dhjt:vz")) != EOF) { + while ((c = isc_commandline_parse(argc, argv, "dhjt:pvz")) != EOF) { switch (c) { case 'd': debug++; @@ -421,6 +452,10 @@ main(int argc, char **argv) { } break; + case 'p': + print = ISC_TRUE; + break; + case 'v': printf(VERSION "\n"); exit(0); @@ -485,6 +520,8 @@ main(int argc, char **argv) { exit_status = 1; } + if (print && exit_status == 0) + cfg_print(config, output, NULL); cfg_obj_destroy(parser, &config); cfg_parser_destroy(&parser); diff --git a/bin/check/named-checkconf.docbook b/bin/check/named-checkconf.docbook index e0c43d1..fe12cb3 100644 --- a/bin/check/named-checkconf.docbook +++ b/bin/check/named-checkconf.docbook @@ -2,7 +2,7 @@ "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" []> - + June 14, 2000 @@ -35,6 +35,7 @@ 2004 2005 2007 + 2009 Internet Systems Consortium, Inc. ("ISC") @@ -58,6 +59,7 @@ filename + @@ -65,8 +67,21 @@ DESCRIPTION named-checkconf - checks the syntax, but not the semantics, of a named - configuration file. + checks the syntax, but not the semantics, of a + named configuration file. The file is parsed + and checked for syntax errors, along with all files included by it. + If no file is specified, /etc/named.conf is read + by default. + + + Note: files that named reads in separate + parser contexts, such as rndc.key and + bind.keys, are not automatically read + by named-checkconf. Configuration + errors in these files may cause named to + fail to run, even if named-checkconf was + successful. named-checkconf can be run + on these files explicitly, however. @@ -87,8 +102,7 @@ -t directory - Chroot to directory so that - include + Chroot to directory so that include directives in the configuration file are processed as if run by a similarly chrooted named. @@ -106,6 +120,16 @@ + -p + + + Print out the named.conf and included files + in canonical form if no errors were detected. + + + + + -z diff --git a/bin/check/named-checkconf.html b/bin/check/named-checkconf.html index 458b486..f5e4cd3 100644 --- a/bin/check/named-checkconf.html +++ b/bin/check/named-checkconf.html @@ -1,5 +1,5 @@ - + @@ -29,17 +29,30 @@

Synopsis

-

named-checkconf [-h] [-v] [-j] [-t directory] {filename} [-z]

+

named-checkconf [-h] [-v] [-j] [-t directory] {filename} [-p] [-z]

-

DESCRIPTION

+

DESCRIPTION

named-checkconf - checks the syntax, but not the semantics, of a named - configuration file. + checks the syntax, but not the semantics, of a + named configuration file. The file is parsed + and checked for syntax errors, along with all files included by it. + If no file is specified, /etc/named.conf is read + by default. +

+

+ Note: files that named reads in separate + parser contexts, such as rndc.key and + bind.keys, are not automatically read + by named-checkconf. Configuration + errors in these files may cause named to + fail to run, even if named-checkconf was + successful. named-checkconf can be run + on these files explicitly, however.

-

OPTIONS

+

OPTIONS

-h

@@ -47,8 +60,7 @@

-t directory

- Chroot to directory so that - include + Chroot to directory so that include directives in the configuration file are processed as if run by a similarly chrooted named.

@@ -57,6 +69,11 @@ Print the version of the named-checkconf program and exit.

+
-p
+

+ Print out the named.conf and included files + in canonical form if no errors were detected. +

-z

Perform a test load of all master zones found in @@ -74,21 +91,21 @@

-

RETURN VALUES

+

RETURN VALUES

named-checkconf returns an exit status of 1 if errors were detected and 0 otherwise.

-

SEE ALSO

+

SEE ALSO

named(8), named-checkzone(8), BIND 9 Administrator Reference Manual.

-

AUTHOR

+

AUTHOR

Internet Systems Consortium

diff --git a/bin/check/named-checkzone.8 b/bin/check/named-checkzone.8 index e5f0790..1bb7846 100644 --- a/bin/check/named-checkzone.8 +++ b/bin/check/named-checkzone.8 @@ -1,4 +1,4 @@ -.\" Copyright (C) 2004-2007, 2009 Internet Systems Consortium, Inc. ("ISC") +.\" Copyright (C) 2004-2007, 2009, 2010 Internet Systems Consortium, Inc. ("ISC") .\" Copyright (C) 2000-2002 Internet Software Consortium. .\" .\" Permission to use, copy, modify, and/or distribute this software for any @@ -13,7 +13,7 @@ .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR .\" PERFORMANCE OF THIS SOFTWARE. .\" -.\" $Id: named-checkzone.8,v 1.42.334.3 2009-11-11 01:56:22 tbox Exp $ +.\" $Id: named-checkzone.8,v 1.47 2010-01-17 01:14:02 tbox Exp $ .\" .hy 0 .ad l @@ -33,9 +33,9 @@ named\-checkzone, named\-compilezone \- zone file validity checking or converting tool .SH "SYNOPSIS" .HP 16 -\fBnamed\-checkzone\fR [\fB\-d\fR] [\fB\-h\fR] [\fB\-j\fR] [\fB\-q\fR] [\fB\-v\fR] [\fB\-c\ \fR\fB\fIclass\fR\fR] [\fB\-f\ \fR\fB\fIformat\fR\fR] [\fB\-F\ \fR\fB\fIformat\fR\fR] [\fB\-i\ \fR\fB\fImode\fR\fR] [\fB\-k\ \fR\fB\fImode\fR\fR] [\fB\-m\ \fR\fB\fImode\fR\fR] [\fB\-M\ \fR\fB\fImode\fR\fR] [\fB\-n\ \fR\fB\fImode\fR\fR] [\fB\-s\ \fR\fB\fIstyle\fR\fR] [\fB\-S\ \fR\fB\fImode\fR\fR] [\fB\-t\ \fR\fB\fIdirectory\fR\fR] [\fB\-w\ \fR\fB\fIdirectory\fR\fR] [\fB\-D\fR] [\fB\-W\ \fR\fB\fImode\fR\fR] {zonename} {filename} +\fBnamed\-checkzone\fR [\fB\-d\fR] [\fB\-h\fR] [\fB\-j\fR] [\fB\-q\fR] [\fB\-v\fR] [\fB\-c\ \fR\fB\fIclass\fR\fR] [\fB\-f\ \fR\fB\fIformat\fR\fR] [\fB\-F\ \fR\fB\fIformat\fR\fR] [\fB\-i\ \fR\fB\fImode\fR\fR] [\fB\-k\ \fR\fB\fImode\fR\fR] [\fB\-m\ \fR\fB\fImode\fR\fR] [\fB\-M\ \fR\fB\fImode\fR\fR] [\fB\-n\ \fR\fB\fImode\fR\fR] [\fB\-o\ \fR\fB\fIfilename\fR\fR] [\fB\-r\ \fR\fB\fImode\fR\fR] [\fB\-s\ \fR\fB\fIstyle\fR\fR] [\fB\-S\ \fR\fB\fImode\fR\fR] [\fB\-t\ \fR\fB\fIdirectory\fR\fR] [\fB\-w\ \fR\fB\fIdirectory\fR\fR] [\fB\-D\fR] [\fB\-W\ \fR\fB\fImode\fR\fR] {zonename} {filename} .HP 18 -\fBnamed\-compilezone\fR [\fB\-d\fR] [\fB\-j\fR] [\fB\-q\fR] [\fB\-v\fR] [\fB\-c\ \fR\fB\fIclass\fR\fR] [\fB\-C\ \fR\fB\fImode\fR\fR] [\fB\-f\ \fR\fB\fIformat\fR\fR] [\fB\-F\ \fR\fB\fIformat\fR\fR] [\fB\-i\ \fR\fB\fImode\fR\fR] [\fB\-k\ \fR\fB\fImode\fR\fR] [\fB\-m\ \fR\fB\fImode\fR\fR] [\fB\-n\ \fR\fB\fImode\fR\fR] [\fB\-o\ \fR\fB\fIfilename\fR\fR] [\fB\-s\ \fR\fB\fIstyle\fR\fR] [\fB\-t\ \fR\fB\fIdirectory\fR\fR] [\fB\-w\ \fR\fB\fIdirectory\fR\fR] [\fB\-D\fR] [\fB\-W\ \fR\fB\fImode\fR\fR] {\fB\-o\ \fR\fB\fIfilename\fR\fR} {zonename} {filename} +\fBnamed\-compilezone\fR [\fB\-d\fR] [\fB\-j\fR] [\fB\-q\fR] [\fB\-v\fR] [\fB\-c\ \fR\fB\fIclass\fR\fR] [\fB\-C\ \fR\fB\fImode\fR\fR] [\fB\-f\ \fR\fB\fIformat\fR\fR] [\fB\-F\ \fR\fB\fIformat\fR\fR] [\fB\-i\ \fR\fB\fImode\fR\fR] [\fB\-k\ \fR\fB\fImode\fR\fR] [\fB\-m\ \fR\fB\fImode\fR\fR] [\fB\-n\ \fR\fB\fImode\fR\fR] [\fB\-r\ \fR\fB\fImode\fR\fR] [\fB\-s\ \fR\fB\fIstyle\fR\fR] [\fB\-t\ \fR\fB\fIdirectory\fR\fR] [\fB\-w\ \fR\fB\fIdirectory\fR\fR] [\fB\-D\fR] [\fB\-W\ \fR\fB\fImode\fR\fR] {\fB\-o\ \fR\fB\fIfilename\fR\fR} {zonename} {filename} .SH "DESCRIPTION" .PP \fBnamed\-checkzone\fR @@ -201,6 +201,15 @@ then write to standard out. This is mandatory for \fBnamed\-compilezone\fR. .RE .PP +\-r \fImode\fR +.RS 4 +Check for records that are treated as different by DNSSEC but are semantically equal in plain DNS. Possible modes are +\fB"fail"\fR, +\fB"warn"\fR +(default) and +\fB"ignore"\fR. +.RE +.PP \-s \fIstyle\fR .RS 4 Specify the style of the dumped zone file. Possible styles are @@ -272,7 +281,7 @@ BIND 9 Administrator Reference Manual. .PP Internet Systems Consortium .SH "COPYRIGHT" -Copyright \(co 2004\-2007, 2009 Internet Systems Consortium, Inc. ("ISC") +Copyright \(co 2004\-2007, 2009, 2010 Internet Systems Consortium, Inc. ("ISC") .br Copyright \(co 2000\-2002 Internet Software Consortium. .br diff --git a/bin/check/named-checkzone.c b/bin/check/named-checkzone.c index 3b86e57..100e809 100644 --- a/bin/check/named-checkzone.c +++ b/bin/check/named-checkzone.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: named-checkzone.c,v 1.51.34.6 2010-09-07 23:46:06 tbox Exp $ */ +/* $Id: named-checkzone.c,v 1.61 2010-09-07 23:46:59 tbox Exp $ */ /*! \file */ @@ -70,6 +70,9 @@ static enum { progmode_check, progmode_compile } progmode; } \ } while (0) +ISC_PLATFORM_NORETURN_PRE static void +usage(void) ISC_PLATFORM_NORETURN_POST; + static void usage(void) { fprintf(stderr, @@ -77,12 +80,13 @@ usage(void) { "[-f inputformat] [-F outputformat] " "[-t directory] [-w directory] [-k (ignore|warn|fail)] " "[-n (ignore|warn|fail)] [-m (ignore|warn|fail)] " + "[-r (ignore|warn|fail)] " "[-i (full|full-sibling|local|local-sibling|none)] " "[-M (ignore|warn|fail)] [-S (ignore|warn|fail)] " "[-W (ignore|warn)] " "%s zonename filename\n", prog_name, - progmode == progmode_check ? "[-o filename]" : "{-o filename}"); + progmode == progmode_check ? "[-o filename]" : "-o filename"); exit(1); } @@ -140,17 +144,19 @@ main(int argc, char **argv) { if (progmode == progmode_compile) { zone_options |= (DNS_ZONEOPT_CHECKNS | DNS_ZONEOPT_FATALNS | + DNS_ZONEOPT_CHECKDUPRR | DNS_ZONEOPT_CHECKNAMES | DNS_ZONEOPT_CHECKNAMESFAIL | DNS_ZONEOPT_CHECKWILDCARD); - } + } else + zone_options |= DNS_ZONEOPT_CHECKDUPRR; #define ARGCMP(X) (strcmp(isc_commandline_argument, X) == 0) isc_commandline_errprint = ISC_FALSE; while ((c = isc_commandline_parse(argc, argv, - "c:df:hi:jk:m:n:qs:t:o:vw:DF:M:S:W:")) + "c:df:hi:jk:m:n:qr:s:t:o:vw:DF:M:S:W:")) != EOF) { switch (c) { case 'c': @@ -262,16 +268,27 @@ main(int argc, char **argv) { } break; + case 'o': + output_filename = isc_commandline_argument; + break; + case 'q': quiet++; break; - case 't': - result = isc_dir_chroot(isc_commandline_argument); - if (result != ISC_R_SUCCESS) { - fprintf(stderr, "isc_dir_chroot: %s: %s\n", - isc_commandline_argument, - isc_result_totext(result)); + case 'r': + if (ARGCMP("warn")) { + zone_options |= DNS_ZONEOPT_CHECKDUPRR; + zone_options &= ~DNS_ZONEOPT_CHECKDUPRRFAIL; + } else if (ARGCMP("fail")) { + zone_options |= DNS_ZONEOPT_CHECKDUPRR | + DNS_ZONEOPT_CHECKDUPRRFAIL; + } else if (ARGCMP("ignore")) { + zone_options &= ~(DNS_ZONEOPT_CHECKDUPRR | + DNS_ZONEOPT_CHECKDUPRRFAIL); + } else { + fprintf(stderr, "invalid argument to -r: %s\n", + isc_commandline_argument); exit(1); } break; @@ -289,8 +306,14 @@ main(int argc, char **argv) { } break; - case 'o': - output_filename = isc_commandline_argument; + case 't': + result = isc_dir_chroot(isc_commandline_argument); + if (result != ISC_R_SUCCESS) { + fprintf(stderr, "isc_dir_chroot: %s: %s\n", + isc_commandline_argument, + isc_result_totext(result)); + exit(1); + } break; case 'v': diff --git a/bin/check/named-checkzone.docbook b/bin/check/named-checkzone.docbook index 0e04c03..415ee1c 100644 --- a/bin/check/named-checkzone.docbook +++ b/bin/check/named-checkzone.docbook @@ -2,7 +2,7 @@ "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" []> - + June 13, 2000 @@ -37,6 +37,7 @@ 2006 2007 2009 + 2010 Internet Systems Consortium, Inc. ("ISC") @@ -69,6 +70,8 @@ + + @@ -92,7 +95,7 @@ - + @@ -320,6 +323,19 @@ + -r mode + + + Check for records that are treated as different by DNSSEC but + are semantically equal in plain DNS. + Possible modes are "fail", + "warn" (default) and + "ignore". + + + + + -s style diff --git a/bin/check/named-checkzone.html b/bin/check/named-checkzone.html index 24f5c05..e0532af 100644 --- a/bin/check/named-checkzone.html +++ b/bin/check/named-checkzone.html @@ -1,5 +1,5 @@ - + @@ -29,11 +29,11 @@

Synopsis

-

named-checkzone [-d] [-h] [-j] [-q] [-v] [-c class] [-f format] [-F format] [-i mode] [-k mode] [-m mode] [-M mode] [-n mode] [-s style] [-S mode] [-t directory] [-w directory] [-D] [-W mode] {zonename} {filename}

-

named-compilezone [-d] [-j] [-q] [-v] [-c class] [-C mode] [-f format] [-F format] [-i mode] [-k mode] [-m mode] [-n mode] [-o filename] [-s style] [-t directory] [-w directory] [-D] [-W mode] {-o filename} {zonename} {filename}

+

named-checkzone [-d] [-h] [-j] [-q] [-v] [-c class] [-f format] [-F format] [-i mode] [-k mode] [-m mode] [-M mode] [-n mode] [-o filename] [-r mode] [-s style] [-S mode] [-t directory] [-w directory] [-D] [-W mode] {zonename} {filename}

+

named-compilezone [-d] [-j] [-q] [-v] [-c class] [-C mode] [-f format] [-F format] [-i mode] [-k mode] [-m mode] [-n mode] [-r mode] [-s style] [-t directory] [-w directory] [-D] [-W mode] {-o filename} {zonename} {filename}

-

DESCRIPTION

+

DESCRIPTION

named-checkzone checks the syntax and integrity of a zone file. It performs the same checks as named does when loading a @@ -53,7 +53,7 @@

-

OPTIONS

+

OPTIONS

-d

@@ -177,6 +177,14 @@ write to standard out. This is mandatory for named-compilezone.

+
-r mode
+

+ Check for records that are treated as different by DNSSEC but + are semantically equal in plain DNS. + Possible modes are "fail", + "warn" (default) and + "ignore". +

-s style

Specify the style of the dumped zone file. @@ -239,14 +247,14 @@

-

RETURN VALUES

+

RETURN VALUES

named-checkzone returns an exit status of 1 if errors were detected and 0 otherwise.

-

SEE ALSO

+

SEE ALSO

named(8), named-checkconf(8), RFC 1035, @@ -254,7 +262,7 @@

-

AUTHOR

+

AUTHOR

Internet Systems Consortium

diff --git a/bin/confgen/Makefile.in b/bin/confgen/Makefile.in new file mode 100644 index 0000000..da35879 --- /dev/null +++ b/bin/confgen/Makefile.in @@ -0,0 +1,101 @@ +# Copyright (C) 2009 Internet Systems Consortium, Inc. ("ISC") +# +# Permission to use, copy, modify, and/or distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH +# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY +# AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, +# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE +# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +# PERFORMANCE OF THIS SOFTWARE. + +# $Id: Makefile.in,v 1.8 2009-12-05 23:31:40 each Exp $ + +srcdir = @srcdir@ +VPATH = @srcdir@ +top_srcdir = @top_srcdir@ + +@BIND9_VERSION@ + +@BIND9_MAKE_INCLUDES@ + +CINCLUDES = -I${srcdir}/include ${ISC_INCLUDES} ${ISCCC_INCLUDES} \ + ${ISCCFG_INCLUDES} ${DNS_INCLUDES} ${BIND9_INCLUDES} + +CDEFINES = +CWARNINGS = + +ISCCFGLIBS = ../../lib/isccfg/libisccfg.@A@ +ISCCCLIBS = ../../lib/isccc/libisccc.@A@ +ISCLIBS = ../../lib/isc/libisc.@A@ +ISCNOSYMLIBS = ../../lib/isc/libisc-nosymtbl.@A@ +DNSLIBS = ../../lib/dns/libdns.@A@ @DNS_CRYPTO_LIBS@ +BIND9LIBS = ../../lib/bind9/libbind9.@A@ + +ISCCFGDEPLIBS = ../../lib/isccfg/libisccfg.@A@ +ISCCCDEPLIBS = ../../lib/isccc/libisccc.@A@ +ISCDEPLIBS = ../../lib/isc/libisc.@A@ +DNSDEPLIBS = ../../lib/dns/libdns.@A@ +BIND9DEPLIBS = ../../lib/bind9/libbind9.@A@ + +RNDCLIBS = ${ISCCFGLIBS} ${ISCCCLIBS} ${BIND9LIBS} ${DNSLIBS} ${ISCLIBS} @LIBS@ +RNDCDEPLIBS = ${ISCCFGDEPLIBS} ${ISCCCDEPLIBS} ${BIND9DEPLIBS} ${DNSDEPLIBS} ${ISCDEPLIBS} + +LIBS = ${DNSLIBS} ${ISCLIBS} @LIBS@ + +NOSYMLIBS = ${DNSLIBS} ${ISCNOSYMLIBS} @LIBS@ + +CONFDEPLIBS = ${DNSDEPLIBS} ${ISCDEPLIBS} + +SRCS= rndc-confgen.c ddns-confgen.c + +SUBDIRS = unix + +TARGETS = rndc-confgen@EXEEXT@ ddns-confgen@EXEEXT@ + +MANPAGES = rndc-confgen.8 ddns-confgen.8 + +HTMLPAGES = rndc-confgen.html ddns-confgen.html + +MANOBJS = ${MANPAGES} ${HTMLPAGES} + +UOBJS = unix/os.@O@ + +@BIND9_MAKE_RULES@ + +rndc-confgen.@O@: rndc-confgen.c + ${LIBTOOL_MODE_COMPILE} ${CC} ${ALL_CFLAGS} \ + -DRNDC_KEYFILE=\"${sysconfdir}/rndc.key\" \ + -c ${srcdir}/rndc-confgen.c + +ddns-confgen.@O@: ddns-confgen.c + ${LIBTOOL_MODE_COMPILE} ${CC} ${ALL_CFLAGS} -c ${srcdir}/ddns-confgen.c + +rndc-confgen@EXEEXT@: rndc-confgen.@O@ util.@O@ keygen.@O@ ${UOBJS} ${CONFDEPLIBS} + export BASEOBJS="rndc-confgen.@O@ util.@O@ keygen.@O@ ${UOBJS}"; \ + ${FINALBUILDCMD} + +ddns-confgen@EXEEXT@: ddns-confgen.@O@ util.@O@ keygen.@O@ ${UOBJS} ${CONFDEPLIBS} + export BASEOBJS="ddns-confgen.@O@ util.@O@ keygen.@O@ ${UOBJS}"; \ + ${FINALBUILDCMD} + +doc man:: ${MANOBJS} + +docclean manclean maintainer-clean:: + rm -f ${MANOBJS} + +installdirs: + $(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${sbindir} + $(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${mandir}/man8 + +install:: rndc-confgen@EXEEXT@ ddns-confgen@EXEEXT@ installdirs + ${LIBTOOL_MODE_INSTALL} ${INSTALL_PROGRAM} rndc-confgen@EXEEXT@ ${DESTDIR}${sbindir} + ${LIBTOOL_MODE_INSTALL} ${INSTALL_PROGRAM} ddns-confgen@EXEEXT@ ${DESTDIR}${sbindir} + ${INSTALL_DATA} ${srcdir}/rndc-confgen.8 ${DESTDIR}${mandir}/man8 + ${INSTALL_DATA} ${srcdir}/ddns-confgen.8 ${DESTDIR}${mandir}/man8 + +clean distclean maintainer-clean:: + rm -f ${TARGETS} diff --git a/bin/confgen/ddns-confgen.8 b/bin/confgen/ddns-confgen.8 new file mode 100644 index 0000000..d69af39 --- /dev/null +++ b/bin/confgen/ddns-confgen.8 @@ -0,0 +1,143 @@ +.\" Copyright (C) 2009 Internet Systems Consortium, Inc. ("ISC") +.\" +.\" Permission to use, copy, modify, and/or distribute this software for any +.\" purpose with or without fee is hereby granted, provided that the above +.\" copyright notice and this permission notice appear in all copies. +.\" +.\" THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH +.\" REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY +.\" AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, +.\" INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +.\" LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE +.\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +.\" PERFORMANCE OF THIS SOFTWARE. +.\" +.\" $Id: ddns-confgen.8,v 1.10 2009-09-19 01:14:52 tbox Exp $ +.\" +.hy 0 +.ad l +.\" Title: ddns\-confgen +.\" Author: +.\" Generator: DocBook XSL Stylesheets v1.71.1 +.\" Date: Jan 29, 2009 +.\" Manual: BIND9 +.\" Source: BIND9 +.\" +.TH "DDNS\-CONFGEN" "8" "Jan 29, 2009" "BIND9" "BIND9" +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.SH "NAME" +ddns\-confgen \- ddns key generation tool +.SH "SYNOPSIS" +.HP 13 +\fBddns\-confgen\fR [\fB\-a\ \fR\fB\fIalgorithm\fR\fR] [\fB\-h\fR] [\fB\-k\ \fR\fB\fIkeyname\fR\fR] [\fB\-r\ \fR\fB\fIrandomfile\fR\fR] [\-s\ \fIname\fR | \-z\ \fIzone\fR] [\fB\-q\fR] [name] +.SH "DESCRIPTION" +.PP +\fBddns\-confgen\fR +generates a key for use by +\fBnsupdate\fR +and +\fBnamed\fR. It simplifies configuration of dynamic zones by generating a key and providing the +\fBnsupdate\fR +and +\fBnamed.conf\fR +syntax that will be needed to use it, including an example +\fBupdate\-policy\fR +statement. +.PP +If a domain name is specified on the command line, it will be used in the name of the generated key and in the sample +\fBnamed.conf\fR +syntax. For example, +\fBddns\-confgen example.com\fR +would generate a key called "ddns\-key.example.com", and sample +\fBnamed.conf\fR +command that could be used in the zone definition for "example.com". +.PP +Note that +\fBnamed\fR +itself can configure a local DDNS key for use with +\fBnsupdate \-l\fR. +\fBddns\-confgen\fR +is only needed when a more elaborate configuration is required: for instance, if +\fBnsupdate\fR +is to be used from a remote system. +.SH "OPTIONS" +.PP +\-a \fIalgorithm\fR +.RS 4 +Specifies the algorithm to use for the TSIG key. Available choices are: hmac\-md5, hmac\-sha1, hmac\-sha224, hmac\-sha256, hmac\-sha384 and hmac\-sha512. The default is hmac\-sha256. +.RE +.PP +\-h +.RS 4 +Prints a short summary of the options and arguments to +\fBddns\-confgen\fR. +.RE +.PP +\-k \fIkeyname\fR +.RS 4 +Specifies the key name of the DDNS authentication key. The default is +\fBddns\-key\fR +when neither the +\fB\-s\fR +nor +\fB\-z\fR +option is specified; otherwise, the default is +\fBddns\-key\fR +as a separate label followed by the argument of the option, e.g., +\fBddns\-key.example.com.\fR +The key name must have the format of a valid domain name, consisting of letters, digits, hyphens and periods. +.RE +.PP +\-q +.RS 4 +Quiet mode: Print only the key, with no explanatory text or usage examples. +.RE +.PP +\-r \fIrandomfile\fR +.RS 4 +Specifies a source of random data for generating the authorization. If the operating system does not provide a +\fI/dev/random\fR +or equivalent device, the default source of randomness is keyboard input. +\fIrandomdev\fR +specifies the name of a character device or file containing random data to be used instead of the default. The special value +\fIkeyboard\fR +indicates that keyboard input should be used. +.RE +.PP +\-s \fIname\fR +.RS 4 +Single host mode: The example +\fBnamed.conf\fR +text shows how to set an update policy for the specified +\fIname\fR +using the "name" nametype. The default key name is ddns\-key.\fIname\fR. Note that the "self" nametype cannot be used, since the name to be updated may differ from the key name. This option cannot be used with the +\fB\-z\fR +option. +.RE +.PP +\-z \fIzone\fR +.RS 4 +zone mode: The example +\fBnamed.conf\fR +text shows how to set an update policy for the specified +\fIzone\fR +using the "zonesub" nametype, allowing updates to all subdomain names within that +\fIzone\fR. This option cannot be used with the +\fB\-s\fR +option. +.RE +.SH "SEE ALSO" +.PP +\fBnsupdate\fR(1), +\fBnamed.conf\fR(5), +\fBnamed\fR(8), +BIND 9 Administrator Reference Manual. +.SH "AUTHOR" +.PP +Internet Systems Consortium +.SH "COPYRIGHT" +Copyright \(co 2009 Internet Systems Consortium, Inc. ("ISC") +.br diff --git a/bin/confgen/ddns-confgen.c b/bin/confgen/ddns-confgen.c new file mode 100644 index 0000000..814a565 --- /dev/null +++ b/bin/confgen/ddns-confgen.c @@ -0,0 +1,257 @@ +/* + * Copyright (C) 2009 Internet Systems Consortium, Inc. ("ISC") + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE + * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* $Id: ddns-confgen.c,v 1.9 2009-09-29 15:06:05 fdupont Exp $ */ + +/*! \file */ + +/** + * ddns-confgen generates configuration files for dynamic DNS. It can + * be used as a convenient alternative to writing the ddns.key file + * and the corresponding key and update-policy statements in named.conf. + */ + +#include + +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include +#include + +#include "util.h" +#include "keygen.h" + +#define DEFAULT_KEYNAME "ddns-key" + +static char program[256]; +const char *progname; + +isc_boolean_t verbose = ISC_FALSE; + +ISC_PLATFORM_NORETURN_PRE static void +usage(int status) ISC_PLATFORM_NORETURN_POST; + +static void +usage(int status) { + + fprintf(stderr, "\ +Usage:\n\ + %s [-a alg] [-k keyname] [-r randomfile] [-q] [-s name | -z zone]\n\ + -a alg: algorithm (default hmac-sha256)\n\ + -k keyname: name of the key as it will be used in named.conf\n\ + -r randomfile: source of random data (use \"keyboard\" for key timing)\n\ + -s name: domain name to be updated using the created key\n\ + -z zone: name of the zone as it will be used in named.conf\n\ + -q: quiet mode: print the key, with no explanatory text\n", + progname); + + exit (status); +} + +int +main(int argc, char **argv) { + isc_boolean_t show_final_mem = ISC_FALSE; + isc_boolean_t quiet = ISC_FALSE; + isc_buffer_t key_txtbuffer; + char key_txtsecret[256]; + isc_mem_t *mctx = NULL; + isc_result_t result = ISC_R_SUCCESS; + const char *randomfile = NULL; + const char *keyname = NULL; + const char *zone = NULL; + const char *self_domain = NULL; + char *keybuf = NULL; + dns_secalg_t alg = DST_ALG_HMACSHA256; + const char *algname = alg_totext(alg); + int keysize = 256; + int len = 0; + int ch; + + result = isc_file_progname(*argv, program, sizeof(program)); + if (result != ISC_R_SUCCESS) + memcpy(program, "ddns-confgen", 13); + progname = program; + + isc_commandline_errprint = ISC_FALSE; + + while ((ch = isc_commandline_parse(argc, argv, + "a:hk:Mmr:qs:Vy:z:")) != -1) { + switch (ch) { + case 'a': + algname = isc_commandline_argument; + alg = alg_fromtext(algname); + if (alg == DST_ALG_UNKNOWN) + fatal("Unsupported algorithm '%s'", algname); + keysize = alg_bits(alg); + break; + case 'h': + usage(0); + case 'k': + case 'y': + keyname = isc_commandline_argument; + break; + case 'M': + isc_mem_debugging = ISC_MEM_DEBUGTRACE; + break; + case 'm': + show_final_mem = ISC_TRUE; + break; + case 'q': + quiet = ISC_TRUE; + break; + case 'r': + randomfile = isc_commandline_argument; + break; + case 's': + self_domain = isc_commandline_argument; + break; + case 'V': + verbose = ISC_TRUE; + break; + case 'z': + zone = isc_commandline_argument; + break; + case '?': + if (isc_commandline_option != '?') { + fprintf(stderr, "%s: invalid argument -%c\n", + program, isc_commandline_option); + usage(1); + } else + usage(0); + break; + default: + fprintf(stderr, "%s: unhandled option -%c\n", + program, isc_commandline_option); + exit(1); + } + } + + argc -= isc_commandline_index; + argv += isc_commandline_index; + + if (self_domain != NULL && zone != NULL) + usage(1); /* -s and -z cannot coexist */ + + if (argc > 0) + usage(1); + + DO("create memory context", isc_mem_create(0, 0, &mctx)); + + if (keyname == NULL) { + const char *suffix = NULL; + + keyname = DEFAULT_KEYNAME; + if (self_domain != NULL) + suffix = self_domain; + else if (zone != NULL) + suffix = zone; + if (suffix != NULL) { + len = strlen(keyname) + strlen(suffix) + 2; + keybuf = isc_mem_get(mctx, len); + if (keybuf == NULL) + fatal("failed to allocate memory for keyname"); + snprintf(keybuf, len, "%s.%s", keyname, suffix); + keyname = (const char *) keybuf; + } + } + + isc_buffer_init(&key_txtbuffer, &key_txtsecret, sizeof(key_txtsecret)); + + generate_key(mctx, randomfile, alg, keysize, &key_txtbuffer); + + + if (!quiet) + printf("\ +# To activate this key, place the following in named.conf, and\n\ +# in a separate keyfile on the system or systems from which nsupdate\n\ +# will be run:\n"); + + printf("\ +key \"%s\" {\n\ + algorithm %s;\n\ + secret \"%.*s\";\n\ +};\n", + keyname, algname, + (int)isc_buffer_usedlength(&key_txtbuffer), + (char *)isc_buffer_base(&key_txtbuffer)); + + if (!quiet) { + if (self_domain != NULL) { + printf("\n\ +# Then, in the \"zone\" statement for the zone containing the\n\ +# name \"%s\", place an \"update-policy\" statement\n\ +# like this one, adjusted as needed for your preferred permissions:\n\ +update-policy {\n\ + grant %s name %s ANY;\n\ +};\n", + self_domain, keyname, self_domain); + } else if (zone != NULL) { + printf("\n\ +# Then, in the \"zone\" definition statement for \"%s\",\n\ +# place an \"update-policy\" statement like this one, adjusted as \n\ +# needed for your preferred permissions:\n\ +update-policy {\n\ + grant %s zonesub ANY;\n\ +};\n", + zone, keyname); + } else { + printf("\n\ +# Then, in the \"zone\" statement for each zone you wish to dynamically\n\ +# update, place an \"update-policy\" statement granting update permission\n\ +# to this key. For example, the following statement grants this key\n\ +# permission to update any name within the zone:\n\ +update-policy {\n\ + grant %s zonesub ANY;\n\ +};\n", + keyname); + } + + printf("\n\ +# After the keyfile has been placed, the following command will\n\ +# execute nsupdate using this key:\n\ +nsupdate -k \n"); + + } + + if (keybuf != NULL) + isc_mem_put(mctx, keybuf, len); + + if (show_final_mem) + isc_mem_stats(mctx, stderr); + + isc_mem_destroy(&mctx); + + return (0); +} diff --git a/bin/confgen/ddns-confgen.docbook b/bin/confgen/ddns-confgen.docbook new file mode 100644 index 0000000..2b3e1c0 --- /dev/null +++ b/bin/confgen/ddns-confgen.docbook @@ -0,0 +1,218 @@ +]> + + + + + + Jan 29, 2009 + + + + ddns-confgen + 8 + BIND9 + + + + ddns-confgen + ddns key generation tool + + + + + 2009 + Internet Systems Consortium, Inc. ("ISC") + + + + + + ddns-confgen + + + + + + -s name + -z zone + + + name + + + + + DESCRIPTION + ddns-confgen + generates a key for use by nsupdate + and named. It simplifies configuration + of dynamic zones by generating a key and providing the + nsupdate and named.conf + syntax that will be needed to use it, including an example + update-policy statement. + + + + If a domain name is specified on the command line, it will + be used in the name of the generated key and in the sample + named.conf syntax. For example, + ddns-confgen example.com would + generate a key called "ddns-key.example.com", and sample + named.conf command that could be used + in the zone definition for "example.com". + + + + Note that named itself can configure a + local DDNS key for use with nsupdate -l. + ddns-confgen is only needed when a + more elaborate configuration is required: for instance, if + nsupdate is to be used from a remote system. + + + + + OPTIONS + + + + -a algorithm + + + Specifies the algorithm to use for the TSIG key. Available + choices are: hmac-md5, hmac-sha1, hmac-sha224, hmac-sha256, + hmac-sha384 and hmac-sha512. The default is hmac-sha256. + + + + + + -h + + + Prints a short summary of the options and arguments to + ddns-confgen. + + + + + + -k keyname + + + Specifies the key name of the DDNS authentication key. + The default is ddns-key when neither + the nor option is + specified; otherwise, the default + is ddns-key as a separate label + followed by the argument of the option, e.g., + ddns-key.example.com. + The key name must have the format of a valid domain name, + consisting of letters, digits, hyphens and periods. + + + + + + -q + + + Quiet mode: Print only the key, with no explanatory text or + usage examples. + + + + + + -r randomfile + + + Specifies a source of random data for generating the + authorization. If the operating system does not provide a + /dev/random or equivalent device, the + default source of randomness is keyboard input. + randomdev specifies the name of a + character device or file containing random data to be used + instead of the default. The special value + keyboard indicates that keyboard input + should be used. + + + + + + -s name + + + Single host mode: The example named.conf text + shows how to set an update policy for the specified + name + using the "name" nametype. + The default key name is + ddns-key.name. + Note that the "self" nametype cannot be used, since + the name to be updated may differ from the key name. + This option cannot be used with the option. + + + + + + -z zone + + + zone mode: The example named.conf text + shows how to set an update policy for the specified + zone + using the "zonesub" nametype, allowing updates to all subdomain + names within + that zone. + This option cannot be used with the option. + + + + + + + + SEE ALSO + + nsupdate1 + , + + named.conf5 + , + + named8 + , + BIND 9 Administrator Reference Manual. + + + + + AUTHOR + Internet Systems Consortium + + + + diff --git a/bin/confgen/ddns-confgen.html b/bin/confgen/ddns-confgen.html new file mode 100644 index 0000000..17c3f26 --- /dev/null +++ b/bin/confgen/ddns-confgen.html @@ -0,0 +1,141 @@ + + + + + +ddns-confgen + + +
+
+
+

Name

+

ddns-confgen — ddns key generation tool

+
+
+

Synopsis

+

ddns-confgen [-a algorithm] [-h] [-k keyname] [-r randomfile] [ -s name | -z zone ] [-q] [name]

+
+
+

DESCRIPTION

+

ddns-confgen + generates a key for use by nsupdate + and named. It simplifies configuration + of dynamic zones by generating a key and providing the + nsupdate and named.conf + syntax that will be needed to use it, including an example + update-policy statement. +

+

+ If a domain name is specified on the command line, it will + be used in the name of the generated key and in the sample + named.conf syntax. For example, + ddns-confgen example.com would + generate a key called "ddns-key.example.com", and sample + named.conf command that could be used + in the zone definition for "example.com". +

+

+ Note that named itself can configure a + local DDNS key for use with nsupdate -l. + ddns-confgen is only needed when a + more elaborate configuration is required: for instance, if + nsupdate is to be used from a remote system. +

+
+
+

OPTIONS

+
+
-a algorithm
+

+ Specifies the algorithm to use for the TSIG key. Available + choices are: hmac-md5, hmac-sha1, hmac-sha224, hmac-sha256, + hmac-sha384 and hmac-sha512. The default is hmac-sha256. +

+
-h
+

+ Prints a short summary of the options and arguments to + ddns-confgen. +

+
-k keyname
+

+ Specifies the key name of the DDNS authentication key. + The default is ddns-key when neither + the -s nor -z option is + specified; otherwise, the default + is ddns-key as a separate label + followed by the argument of the option, e.g., + ddns-key.example.com. + The key name must have the format of a valid domain name, + consisting of letters, digits, hyphens and periods. +

+
-q
+

+ Quiet mode: Print only the key, with no explanatory text or + usage examples. +

+
-r randomfile
+

+ Specifies a source of random data for generating the + authorization. If the operating system does not provide a + /dev/random or equivalent device, the + default source of randomness is keyboard input. + randomdev specifies the name of a + character device or file containing random data to be used + instead of the default. The special value + keyboard indicates that keyboard input + should be used. +

+
-s name
+

+ Single host mode: The example named.conf text + shows how to set an update policy for the specified + name + using the "name" nametype. + The default key name is + ddns-key.name. + Note that the "self" nametype cannot be used, since + the name to be updated may differ from the key name. + This option cannot be used with the -z option. +

+
-z zone
+

+ zone mode: The example named.conf text + shows how to set an update policy for the specified + zone + using the "zonesub" nametype, allowing updates to all subdomain + names within + that zone. + This option cannot be used with the -s option. +

+
+
+
+

SEE ALSO

+

nsupdate(1), + named.conf(5), + named(8), + BIND 9 Administrator Reference Manual. +

+
+
+

AUTHOR

+

Internet Systems Consortium +

+
+
+ diff --git a/bin/confgen/include/confgen/os.h b/bin/confgen/include/confgen/os.h new file mode 100644 index 0000000..bf80f00 --- /dev/null +++ b/bin/confgen/include/confgen/os.h @@ -0,0 +1,39 @@ +/* + * Copyright (C) 2009 Internet Systems Consortium, Inc. ("ISC") + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE + * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* $Id: os.h,v 1.3 2009-06-11 23:47:55 tbox Exp $ */ + +/*! \file */ + +#ifndef RNDC_OS_H +#define RNDC_OS_H 1 + +#include +#include + +ISC_LANG_BEGINDECLS + +int set_user(FILE *fd, const char *user); +/*%< + * Set the owner of the file referenced by 'fd' to 'user'. + * Returns: + * 0 success + * -1 insufficient permissions, or 'user' does not exist. + */ + +ISC_LANG_ENDDECLS + +#endif diff --git a/bin/confgen/keygen.c b/bin/confgen/keygen.c new file mode 100644 index 0000000..c259e7e --- /dev/null +++ b/bin/confgen/keygen.c @@ -0,0 +1,218 @@ +/* + * Copyright (C) 2009 Internet Systems Consortium, Inc. ("ISC") + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE + * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* $Id: keygen.c,v 1.4 2009-11-12 14:02:38 marka Exp $ */ + +/*! \file */ + +#include + +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include +#include + +#include "util.h" +#include "keygen.h" + +/*% + * Convert algorithm type to string. + */ +const char * +alg_totext(dns_secalg_t alg) { + switch (alg) { + case DST_ALG_HMACMD5: + return "hmac-md5"; + case DST_ALG_HMACSHA1: + return "hmac-sha1"; + case DST_ALG_HMACSHA224: + return "hmac-sha224"; + case DST_ALG_HMACSHA256: + return "hmac-sha256"; + case DST_ALG_HMACSHA384: + return "hmac-sha384"; + case DST_ALG_HMACSHA512: + return "hmac-sha512"; + default: + return "(unknown)"; + } +} + +/*% + * Convert string to algorithm type. + */ +dns_secalg_t +alg_fromtext(const char *name) { + if (strcmp(name, "hmac-md5") == 0) + return DST_ALG_HMACMD5; + if (strcmp(name, "hmac-sha1") == 0) + return DST_ALG_HMACSHA1; + if (strcmp(name, "hmac-sha224") == 0) + return DST_ALG_HMACSHA224; + if (strcmp(name, "hmac-sha256") == 0) + return DST_ALG_HMACSHA256; + if (strcmp(name, "hmac-sha384") == 0) + return DST_ALG_HMACSHA384; + if (strcmp(name, "hmac-sha512") == 0) + return DST_ALG_HMACSHA512; + return DST_ALG_UNKNOWN; +} + +/*% + * Return default keysize for a given algorithm type. + */ +int +alg_bits(dns_secalg_t alg) { + switch (alg) { + case DST_ALG_HMACMD5: + return 128; + case DST_ALG_HMACSHA1: + return 160; + case DST_ALG_HMACSHA224: + return 224; + case DST_ALG_HMACSHA256: + return 256; + case DST_ALG_HMACSHA384: + return 384; + case DST_ALG_HMACSHA512: + return 512; + default: + return 0; + } +} + +/*% + * Generate a key of size 'keysize' using entropy source 'randomfile', + * and place it in 'key_txtbuffer' + */ +void +generate_key(isc_mem_t *mctx, const char *randomfile, dns_secalg_t alg, + int keysize, isc_buffer_t *key_txtbuffer) { + isc_result_t result = ISC_R_SUCCESS; + isc_entropysource_t *entropy_source = NULL; + int open_keyboard = ISC_ENTROPY_KEYBOARDMAYBE; + int entropy_flags = 0; + isc_entropy_t *ectx = NULL; + isc_buffer_t key_rawbuffer; + isc_region_t key_rawregion; + char key_rawsecret[64]; + dst_key_t *key = NULL; + + switch (alg) { + case DST_ALG_HMACMD5: + if (keysize < 1 || keysize > 512) + fatal("keysize %d out of range (must be 1-512)\n", + keysize); + break; + case DST_ALG_HMACSHA256: + if (keysize < 1 || keysize > 256) + fatal("keysize %d out of range (must be 1-256)\n", + keysize); + break; + default: + fatal("unsupported algorithm %d\n", alg); + } + + + DO("create entropy context", isc_entropy_create(mctx, &ectx)); + + if (randomfile != NULL && strcmp(randomfile, "keyboard") == 0) { + randomfile = NULL; + open_keyboard = ISC_ENTROPY_KEYBOARDYES; + } + DO("start entropy source", isc_entropy_usebestsource(ectx, + &entropy_source, + randomfile, + open_keyboard)); + + entropy_flags = ISC_ENTROPY_BLOCKING | ISC_ENTROPY_GOODONLY; + + DO("initialize dst library", dst_lib_init(mctx, ectx, entropy_flags)); + + DO("generate key", dst_key_generate(dns_rootname, alg, + keysize, 0, 0, + DNS_KEYPROTO_ANY, + dns_rdataclass_in, mctx, &key)); + + isc_buffer_init(&key_rawbuffer, &key_rawsecret, sizeof(key_rawsecret)); + + DO("dump key to buffer", dst_key_tobuffer(key, &key_rawbuffer)); + + isc_buffer_usedregion(&key_rawbuffer, &key_rawregion); + + DO("bsse64 encode secret", isc_base64_totext(&key_rawregion, -1, "", + key_txtbuffer)); + + /* + * Shut down the entropy source now so the "stop typing" message + * does not muck with the output. + */ + if (entropy_source != NULL) + isc_entropy_destroysource(&entropy_source); + + if (key != NULL) + dst_key_free(&key); + + isc_entropy_detach(&ectx); + dst_lib_destroy(); +} + +/*% + * Write a key file to 'keyfile'. If 'user' is non-NULL, + * make that user the owner of the file. The key will have + * the name 'keyname' and the secret in the buffer 'secret'. + */ +void +write_key_file(const char *keyfile, const char *user, + const char *keyname, isc_buffer_t *secret, + dns_secalg_t alg) { + isc_result_t result; + const char *algname = alg_totext(alg); + FILE *fd = NULL; + + DO("create keyfile", isc_file_safecreate(keyfile, &fd)); + + if (user != NULL) { + if (set_user(fd, user) == -1) + fatal("unable to set file owner\n"); + } + + fprintf(fd, "key \"%s\" {\n\talgorithm %s;\n" + "\tsecret \"%.*s\";\n};\n", + keyname, algname, + (int)isc_buffer_usedlength(secret), + (char *)isc_buffer_base(secret)); + fflush(fd); + if (ferror(fd)) + fatal("write to %s failed\n", keyfile); + if (fclose(fd)) + fatal("fclose(%s) failed\n", keyfile); + fprintf(stderr, "wrote key file \"%s\"\n", keyfile); +} + diff --git a/bin/confgen/keygen.h b/bin/confgen/keygen.h new file mode 100644 index 0000000..cea25dd --- /dev/null +++ b/bin/confgen/keygen.h @@ -0,0 +1,41 @@ +/* + * Copyright (C) 2009 Internet Systems Consortium, Inc. ("ISC") + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE + * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* $Id: keygen.h,v 1.3 2009-06-11 23:47:55 tbox Exp $ */ + +#ifndef RNDC_KEYGEN_H +#define RNDC_KEYGEN_H 1 + +/*! \file */ + +#include + +ISC_LANG_BEGINDECLS + +void generate_key(isc_mem_t *mctx, const char *randomfile, dns_secalg_t alg, + int keysize, isc_buffer_t *key_txtbuffer); + +void write_key_file(const char *keyfile, const char *user, + const char *keyname, isc_buffer_t *secret, + dns_secalg_t alg); + +const char *alg_totext(dns_secalg_t alg); +dns_secalg_t alg_fromtext(const char *name); +int alg_bits(dns_secalg_t alg); + +ISC_LANG_ENDDECLS + +#endif /* RNDC_KEYGEN_H */ diff --git a/bin/confgen/rndc-confgen.8 b/bin/confgen/rndc-confgen.8 new file mode 100644 index 0000000..a1b3ae8 --- /dev/null +++ b/bin/confgen/rndc-confgen.8 @@ -0,0 +1,211 @@ +.\" Copyright (C) 2004, 2005, 2007, 2009 Internet Systems Consortium, Inc. ("ISC") +.\" Copyright (C) 2001, 2003 Internet Software Consortium. +.\" +.\" Permission to use, copy, modify, and/or distribute this software for any +.\" purpose with or without fee is hereby granted, provided that the above +.\" copyright notice and this permission notice appear in all copies. +.\" +.\" THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH +.\" REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY +.\" AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, +.\" INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +.\" LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE +.\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +.\" PERFORMANCE OF THIS SOFTWARE. +.\" +.\" $Id: rndc-confgen.8,v 1.7 2009-07-11 01:12:45 tbox Exp $ +.\" +.hy 0 +.ad l +.\" Title: rndc\-confgen +.\" Author: +.\" Generator: DocBook XSL Stylesheets v1.71.1 +.\" Date: Aug 27, 2001 +.\" Manual: BIND9 +.\" Source: BIND9 +.\" +.TH "RNDC\-CONFGEN" "8" "Aug 27, 2001" "BIND9" "BIND9" +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.SH "NAME" +rndc\-confgen \- rndc key generation tool +.SH "SYNOPSIS" +.HP 13 +\fBrndc\-confgen\fR [\fB\-a\fR] [\fB\-b\ \fR\fB\fIkeysize\fR\fR] [\fB\-c\ \fR\fB\fIkeyfile\fR\fR] [\fB\-h\fR] [\fB\-k\ \fR\fB\fIkeyname\fR\fR] [\fB\-p\ \fR\fB\fIport\fR\fR] [\fB\-r\ \fR\fB\fIrandomfile\fR\fR] [\fB\-s\ \fR\fB\fIaddress\fR\fR] [\fB\-t\ \fR\fB\fIchrootdir\fR\fR] [\fB\-u\ \fR\fB\fIuser\fR\fR] +.SH "DESCRIPTION" +.PP +\fBrndc\-confgen\fR +generates configuration files for +\fBrndc\fR. It can be used as a convenient alternative to writing the +\fIrndc.conf\fR +file and the corresponding +\fBcontrols\fR +and +\fBkey\fR +statements in +\fInamed.conf\fR +by hand. Alternatively, it can be run with the +\fB\-a\fR +option to set up a +\fIrndc.key\fR +file and avoid the need for a +\fIrndc.conf\fR +file and a +\fBcontrols\fR +statement altogether. +.SH "OPTIONS" +.PP +\-a +.RS 4 +Do automatic +\fBrndc\fR +configuration. This creates a file +\fIrndc.key\fR +in +\fI/etc\fR +(or whatever +\fIsysconfdir\fR +was specified as when +BIND +was built) that is read by both +\fBrndc\fR +and +\fBnamed\fR +on startup. The +\fIrndc.key\fR +file defines a default command channel and authentication key allowing +\fBrndc\fR +to communicate with +\fBnamed\fR +on the local host with no further configuration. +.sp +Running +\fBrndc\-confgen \-a\fR +allows BIND 9 and +\fBrndc\fR +to be used as drop\-in replacements for BIND 8 and +\fBndc\fR, with no changes to the existing BIND 8 +\fInamed.conf\fR +file. +.sp +If a more elaborate configuration than that generated by +\fBrndc\-confgen \-a\fR +is required, for example if rndc is to be used remotely, you should run +\fBrndc\-confgen\fR +without the +\fB\-a\fR +option and set up a +\fIrndc.conf\fR +and +\fInamed.conf\fR +as directed. +.RE +.PP +\-b \fIkeysize\fR +.RS 4 +Specifies the size of the authentication key in bits. Must be between 1 and 512 bits; the default is 128. +.RE +.PP +\-c \fIkeyfile\fR +.RS 4 +Used with the +\fB\-a\fR +option to specify an alternate location for +\fIrndc.key\fR. +.RE +.PP +\-h +.RS 4 +Prints a short summary of the options and arguments to +\fBrndc\-confgen\fR. +.RE +.PP +\-k \fIkeyname\fR +.RS 4 +Specifies the key name of the rndc authentication key. This must be a valid domain name. The default is +\fBrndc\-key\fR. +.RE +.PP +\-p \fIport\fR +.RS 4 +Specifies the command channel port where +\fBnamed\fR +listens for connections from +\fBrndc\fR. The default is 953. +.RE +.PP +\-r \fIrandomfile\fR +.RS 4 +Specifies a source of random data for generating the authorization. If the operating system does not provide a +\fI/dev/random\fR +or equivalent device, the default source of randomness is keyboard input. +\fIrandomdev\fR +specifies the name of a character device or file containing random data to be used instead of the default. The special value +\fIkeyboard\fR +indicates that keyboard input should be used. +.RE +.PP +\-s \fIaddress\fR +.RS 4 +Specifies the IP address where +\fBnamed\fR +listens for command channel connections from +\fBrndc\fR. The default is the loopback address 127.0.0.1. +.RE +.PP +\-t \fIchrootdir\fR +.RS 4 +Used with the +\fB\-a\fR +option to specify a directory where +\fBnamed\fR +will run chrooted. An additional copy of the +\fIrndc.key\fR +will be written relative to this directory so that it will be found by the chrooted +\fBnamed\fR. +.RE +.PP +\-u \fIuser\fR +.RS 4 +Used with the +\fB\-a\fR +option to set the owner of the +\fIrndc.key\fR +file generated. If +\fB\-t\fR +is also specified only the file in the chroot area has its owner changed. +.RE +.SH "EXAMPLES" +.PP +To allow +\fBrndc\fR +to be used with no manual configuration, run +.PP +\fBrndc\-confgen \-a\fR +.PP +To print a sample +\fIrndc.conf\fR +file and corresponding +\fBcontrols\fR +and +\fBkey\fR +statements to be manually inserted into +\fInamed.conf\fR, run +.PP +\fBrndc\-confgen\fR +.SH "SEE ALSO" +.PP +\fBrndc\fR(8), +\fBrndc.conf\fR(5), +\fBnamed\fR(8), +BIND 9 Administrator Reference Manual. +.SH "AUTHOR" +.PP +Internet Systems Consortium +.SH "COPYRIGHT" +Copyright \(co 2004, 2005, 2007, 2009 Internet Systems Consortium, Inc. ("ISC") +.br +Copyright \(co 2001, 2003 Internet Software Consortium. +.br diff --git a/bin/confgen/rndc-confgen.c b/bin/confgen/rndc-confgen.c new file mode 100644 index 0000000..766e3b4 --- /dev/null +++ b/bin/confgen/rndc-confgen.c @@ -0,0 +1,270 @@ +/* + * Copyright (C) 2004, 2005, 2007-2009 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2001, 2003 Internet Software Consortium. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE + * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* $Id: rndc-confgen.c,v 1.5 2009-09-29 15:06:05 fdupont Exp $ */ + +/*! \file */ + +/** + * rndc-confgen generates configuration files for rndc. It can be used + * as a convenient alternative to writing the rndc.conf file and the + * corresponding controls and key statements in named.conf by hand. + * Alternatively, it can be run with the -a option to set up a + * rndc.key file and avoid the need for a rndc.conf file and a + * controls statement altogether. + */ + +#include + +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include +#include + +#include "util.h" +#include "keygen.h" + +#define DEFAULT_KEYLENGTH 128 /*% Bits. */ +#define DEFAULT_KEYNAME "rndc-key" +#define DEFAULT_SERVER "127.0.0.1" +#define DEFAULT_PORT 953 + +static char program[256]; +const char *progname; + +isc_boolean_t verbose = ISC_FALSE; + +const char *keyfile, *keydef; + +ISC_PLATFORM_NORETURN_PRE static void +usage(int status) ISC_PLATFORM_NORETURN_POST; + +static void +usage(int status) { + + fprintf(stderr, "\ +Usage:\n\ + %s [-a] [-b bits] [-c keyfile] [-k keyname] [-p port] [-r randomfile] \ +[-s addr] [-t chrootdir] [-u user]\n\ + -a: generate just the key clause and write it to keyfile (%s)\n\ + -b bits: from 1 through 512, default %d; total length of the secret\n\ + -c keyfile: specify an alternate key file (requires -a)\n\ + -k keyname: the name as it will be used in named.conf and rndc.conf\n\ + -p port: the port named will listen on and rndc will connect to\n\ + -r randomfile: source of random data (use \"keyboard\" for key timing)\n\ + -s addr: the address to which rndc should connect\n\ + -t chrootdir: write a keyfile in chrootdir as well (requires -a)\n\ + -u user: set the keyfile owner to \"user\" (requires -a)\n", + progname, keydef, DEFAULT_KEYLENGTH); + + exit (status); +} + +int +main(int argc, char **argv) { + isc_boolean_t show_final_mem = ISC_FALSE; + isc_buffer_t key_txtbuffer; + char key_txtsecret[256]; + isc_mem_t *mctx = NULL; + isc_result_t result = ISC_R_SUCCESS; + const char *keyname = NULL; + const char *randomfile = NULL; + const char *serveraddr = NULL; + dns_secalg_t alg = DST_ALG_HMACMD5; + const char *algname = alg_totext(alg); + char *p; + int ch; + int port; + int keysize; + struct in_addr addr4_dummy; + struct in6_addr addr6_dummy; + char *chrootdir = NULL; + char *user = NULL; + isc_boolean_t keyonly = ISC_FALSE; + int len; + + keydef = keyfile = RNDC_KEYFILE; + + result = isc_file_progname(*argv, program, sizeof(program)); + if (result != ISC_R_SUCCESS) + memcpy(program, "rndc-confgen", 13); + progname = program; + + keyname = DEFAULT_KEYNAME; + keysize = DEFAULT_KEYLENGTH; + serveraddr = DEFAULT_SERVER; + port = DEFAULT_PORT; + + isc_commandline_errprint = ISC_FALSE; + + while ((ch = isc_commandline_parse(argc, argv, + "ab:c:hk:Mmp:r:s:t:u:Vy")) != -1) { + switch (ch) { + case 'a': + keyonly = ISC_TRUE; + break; + case 'b': + keysize = strtol(isc_commandline_argument, &p, 10); + if (*p != '\0' || keysize < 0) + fatal("-b requires a non-negative number"); + if (keysize < 1 || keysize > 512) + fatal("-b must be in the range 1 through 512"); + break; + case 'c': + keyfile = isc_commandline_argument; + break; + case 'h': + usage(0); + case 'k': + case 'y': /* Compatible with rndc -y. */ + keyname = isc_commandline_argument; + break; + case 'M': + isc_mem_debugging = ISC_MEM_DEBUGTRACE; + break; + + case 'm': + show_final_mem = ISC_TRUE; + break; + case 'p': + port = strtol(isc_commandline_argument, &p, 10); + if (*p != '\0' || port < 0 || port > 65535) + fatal("port '%s' out of range", + isc_commandline_argument); + break; + case 'r': + randomfile = isc_commandline_argument; + break; + case 's': + serveraddr = isc_commandline_argument; + if (inet_pton(AF_INET, serveraddr, &addr4_dummy) != 1 && + inet_pton(AF_INET6, serveraddr, &addr6_dummy) != 1) + fatal("-s should be an IPv4 or IPv6 address"); + break; + case 't': + chrootdir = isc_commandline_argument; + break; + case 'u': + user = isc_commandline_argument; + break; + case 'V': + verbose = ISC_TRUE; + break; + case '?': + if (isc_commandline_option != '?') { + fprintf(stderr, "%s: invalid argument -%c\n", + program, isc_commandline_option); + usage(1); + } else + usage(0); + break; + default: + fprintf(stderr, "%s: unhandled option -%c\n", + program, isc_commandline_option); + exit(1); + } + } + + argc -= isc_commandline_index; + argv += isc_commandline_index; + + if (argc > 0) + usage(1); + + DO("create memory context", isc_mem_create(0, 0, &mctx)); + isc_buffer_init(&key_txtbuffer, &key_txtsecret, sizeof(key_txtsecret)); + + generate_key(mctx, randomfile, alg, keysize, &key_txtbuffer); + + if (keyonly) { + write_key_file(keyfile, chrootdir == NULL ? user : NULL, + keyname, &key_txtbuffer, alg); + + if (chrootdir != NULL) { + char *buf; + len = strlen(chrootdir) + strlen(keyfile) + 2; + buf = isc_mem_get(mctx, len); + if (buf == NULL) + fatal("isc_mem_get(%d) failed\n", len); + snprintf(buf, len, "%s%s%s", chrootdir, + (*keyfile != '/') ? "/" : "", keyfile); + + write_key_file(buf, user, keyname, &key_txtbuffer, alg); + isc_mem_put(mctx, buf, len); + } + } else { + printf("\ +# Start of rndc.conf\n\ +key \"%s\" {\n\ + algorithm %s;\n\ + secret \"%.*s\";\n\ +};\n\ +\n\ +options {\n\ + default-key \"%s\";\n\ + default-server %s;\n\ + default-port %d;\n\ +};\n\ +# End of rndc.conf\n\ +\n\ +# Use with the following in named.conf, adjusting the allow list as needed:\n\ +# key \"%s\" {\n\ +# algorithm %s;\n\ +# secret \"%.*s\";\n\ +# };\n\ +# \n\ +# controls {\n\ +# inet %s port %d\n\ +# allow { %s; } keys { \"%s\"; };\n\ +# };\n\ +# End of named.conf\n", + keyname, algname, + (int)isc_buffer_usedlength(&key_txtbuffer), + (char *)isc_buffer_base(&key_txtbuffer), + keyname, serveraddr, port, + keyname, algname, + (int)isc_buffer_usedlength(&key_txtbuffer), + (char *)isc_buffer_base(&key_txtbuffer), + serveraddr, port, serveraddr, keyname); + } + + if (show_final_mem) + isc_mem_stats(mctx, stderr); + + isc_mem_destroy(&mctx); + + return (0); +} diff --git a/bin/confgen/rndc-confgen.docbook b/bin/confgen/rndc-confgen.docbook new file mode 100644 index 0000000..d43fcfb --- /dev/null +++ b/bin/confgen/rndc-confgen.docbook @@ -0,0 +1,287 @@ +]> + + + + + + Aug 27, 2001 + + + + rndc-confgen + 8 + BIND9 + + + + rndc-confgen + rndc key generation tool + + + + + 2004 + 2005 + 2007 + 2009 + Internet Systems Consortium, Inc. ("ISC") + + + 2001 + 2003 + Internet Software Consortium. + + + + + + rndc-confgen + + + + + + + + + + + + + + + DESCRIPTION + rndc-confgen + generates configuration files + for rndc. It can be used as a + convenient alternative to writing the + rndc.conf file + and the corresponding controls + and key + statements in named.conf by hand. + Alternatively, it can be run with the -a + option to set up a rndc.key file and + avoid the need for a rndc.conf file + and a controls statement altogether. + + + + + + OPTIONS + + + + -a + + + Do automatic rndc configuration. + This creates a file rndc.key + in /etc (or whatever + sysconfdir + was specified as when BIND was + built) + that is read by both rndc + and named on startup. The + rndc.key file defines a default + command channel and authentication key allowing + rndc to communicate with + named on the local host + with no further configuration. + + + Running rndc-confgen -a allows + BIND 9 and rndc to be used as + drop-in + replacements for BIND 8 and ndc, + with no changes to the existing BIND 8 + named.conf file. + + + If a more elaborate configuration than that + generated by rndc-confgen -a + is required, for example if rndc is to be used remotely, + you should run rndc-confgen without + the + -a option and set up a + rndc.conf and + named.conf + as directed. + + + + + + -b keysize + + + Specifies the size of the authentication key in bits. + Must be between 1 and 512 bits; the default is 128. + + + + + + -c keyfile + + + Used with the -a option to specify + an alternate location for rndc.key. + + + + + + -h + + + Prints a short summary of the options and arguments to + rndc-confgen. + + + + + + -k keyname + + + Specifies the key name of the rndc authentication key. + This must be a valid domain name. + The default is rndc-key. + + + + + + -p port + + + Specifies the command channel port where named + listens for connections from rndc. + The default is 953. + + + + + + -r randomfile + + + Specifies a source of random data for generating the + authorization. If the operating + system does not provide a /dev/random + or equivalent device, the default source of randomness + is keyboard input. randomdev + specifies + the name of a character device or file containing random + data to be used instead of the default. The special value + keyboard indicates that keyboard + input should be used. + + + + + + -s address + + + Specifies the IP address where named + listens for command channel connections from + rndc. The default is the loopback + address 127.0.0.1. + + + + + + -t chrootdir + + + Used with the -a option to specify + a directory where named will run + chrooted. An additional copy of the rndc.key + will be written relative to this directory so that + it will be found by the chrooted named. + + + + + + -u user + + + Used with the -a option to set the + owner + of the rndc.key file generated. + If + -t is also specified only the file + in + the chroot area has its owner changed. + + + + + + + + + EXAMPLES + + To allow rndc to be used with + no manual configuration, run + + rndc-confgen -a + + + To print a sample rndc.conf file and + corresponding controls and key + statements to be manually inserted into named.conf, + run + + rndc-confgen + + + + + SEE ALSO + + rndc8 + , + + rndc.conf5 + , + + named8 + , + BIND 9 Administrator Reference Manual. + + + + + AUTHOR + Internet Systems Consortium + + + + diff --git a/bin/confgen/rndc-confgen.html b/bin/confgen/rndc-confgen.html new file mode 100644 index 0000000..82a7120 --- /dev/null +++ b/bin/confgen/rndc-confgen.html @@ -0,0 +1,188 @@ + + + + + +rndc-confgen + + +
+
+
+

Name

+

rndc-confgen — rndc key generation tool

+
+
+

Synopsis

+

rndc-confgen [-a] [-b keysize] [-c keyfile] [-h] [-k keyname] [-p port] [-r randomfile] [-s address] [-t chrootdir] [-u user]

+
+
+

DESCRIPTION

+

rndc-confgen + generates configuration files + for rndc. It can be used as a + convenient alternative to writing the + rndc.conf file + and the corresponding controls + and key + statements in named.conf by hand. + Alternatively, it can be run with the -a + option to set up a rndc.key file and + avoid the need for a rndc.conf file + and a controls statement altogether. +

+
+
+

OPTIONS

+
+
-a
+
+

+ Do automatic rndc configuration. + This creates a file rndc.key + in /etc (or whatever + sysconfdir + was specified as when BIND was + built) + that is read by both rndc + and named on startup. The + rndc.key file defines a default + command channel and authentication key allowing + rndc to communicate with + named on the local host + with no further configuration. +

+

+ Running rndc-confgen -a allows + BIND 9 and rndc to be used as + drop-in + replacements for BIND 8 and ndc, + with no changes to the existing BIND 8 + named.conf file. +

+

+ If a more elaborate configuration than that + generated by rndc-confgen -a + is required, for example if rndc is to be used remotely, + you should run rndc-confgen without + the + -a option and set up a + rndc.conf and + named.conf + as directed. +

+
+
-b keysize
+

+ Specifies the size of the authentication key in bits. + Must be between 1 and 512 bits; the default is 128. +

+
-c keyfile
+

+ Used with the -a option to specify + an alternate location for rndc.key. +

+
-h
+

+ Prints a short summary of the options and arguments to + rndc-confgen. +

+
-k keyname
+

+ Specifies the key name of the rndc authentication key. + This must be a valid domain name. + The default is rndc-key. +

+
-p port
+

+ Specifies the command channel port where named + listens for connections from rndc. + The default is 953. +

+
-r randomfile
+

+ Specifies a source of random data for generating the + authorization. If the operating + system does not provide a /dev/random + or equivalent device, the default source of randomness + is keyboard input. randomdev + specifies + the name of a character device or file containing random + data to be used instead of the default. The special value + keyboard indicates that keyboard + input should be used. +

+
-s address
+

+ Specifies the IP address where named + listens for command channel connections from + rndc. The default is the loopback + address 127.0.0.1. +

+
-t chrootdir
+

+ Used with the -a option to specify + a directory where named will run + chrooted. An additional copy of the rndc.key + will be written relative to this directory so that + it will be found by the chrooted named. +

+
-u user
+

+ Used with the -a option to set the + owner + of the rndc.key file generated. + If + -t is also specified only the file + in + the chroot area has its owner changed. +

+
+
+
+

EXAMPLES

+

+ To allow rndc to be used with + no manual configuration, run +

+

rndc-confgen -a +

+

+ To print a sample rndc.conf file and + corresponding controls and key + statements to be manually inserted into named.conf, + run +

+

rndc-confgen +

+
+
+

SEE ALSO

+

rndc(8), + rndc.conf(5), + named(8), + BIND 9 Administrator Reference Manual. +

+
+
+

AUTHOR

+

Internet Systems Consortium +

+
+
+ diff --git a/bin/confgen/unix/Makefile.in b/bin/confgen/unix/Makefile.in new file mode 100644 index 0000000..1785e0d --- /dev/null +++ b/bin/confgen/unix/Makefile.in @@ -0,0 +1,35 @@ +# Copyright (C) 2009 Internet Systems Consortium, Inc. ("ISC") +# +# Permission to use, copy, modify, and/or distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH +# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY +# AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, +# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE +# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +# PERFORMANCE OF THIS SOFTWARE. + +# $Id: Makefile.in,v 1.3 2009-06-11 23:47:55 tbox Exp $ + +srcdir = @srcdir@ +VPATH = @srcdir@ +top_srcdir = @top_srcdir@ + +@BIND9_MAKE_INCLUDES@ + +CINCLUDES = -I${srcdir}/include -I${srcdir}/../include \ + ${DNS_INCLUDES} ${ISC_INCLUDES} + +CDEFINES = +CWARNINGS = + +OBJS = os.@O@ + +SRCS = os.c + +TARGETS = ${OBJS} + +@BIND9_MAKE_RULES@ diff --git a/bin/confgen/unix/os.c b/bin/confgen/unix/os.c new file mode 100644 index 0000000..e439a51 --- /dev/null +++ b/bin/confgen/unix/os.c @@ -0,0 +1,43 @@ +/* + * Copyright (C) 2009 Internet Systems Consortium, Inc. ("ISC") + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE + * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* $Id: os.c,v 1.3 2009-06-11 23:47:55 tbox Exp $ */ + +/*! \file */ + +#include + +#include + +#include +#include +#include +#include +#include +#include +#include + +int +set_user(FILE *fd, const char *user) { + struct passwd *pw; + + pw = getpwnam(user); + if (pw == NULL) { + errno = EINVAL; + return (-1); + } + return (fchown(fileno(fd), pw->pw_uid, -1)); +} diff --git a/bin/confgen/util.c b/bin/confgen/util.c new file mode 100644 index 0000000..158a8d3 --- /dev/null +++ b/bin/confgen/util.c @@ -0,0 +1,56 @@ +/* + * Copyright (C) 2009 Internet Systems Consortium, Inc. ("ISC") + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE + * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* $Id: util.c,v 1.3 2009-06-11 23:47:55 tbox Exp $ */ + +/*! \file */ + +#include + +#include +#include +#include + +#include + +#include "util.h" + +extern isc_boolean_t verbose; +extern const char *progname; + +void +notify(const char *fmt, ...) { + va_list ap; + + if (verbose) { + va_start(ap, fmt); + vfprintf(stderr, fmt, ap); + va_end(ap); + fputs("\n", stderr); + } +} + +void +fatal(const char *format, ...) { + va_list args; + + fprintf(stderr, "%s: ", progname); + va_start(args, format); + vfprintf(stderr, format, args); + va_end(args); + fprintf(stderr, "\n"); + exit(1); +} diff --git a/bin/confgen/util.h b/bin/confgen/util.h new file mode 100644 index 0000000..651b6e5 --- /dev/null +++ b/bin/confgen/util.h @@ -0,0 +1,52 @@ +/* + * Copyright (C) 2009 Internet Systems Consortium, Inc. ("ISC") + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE + * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* $Id: util.h,v 1.4 2009-09-29 15:06:05 fdupont Exp $ */ + +#ifndef RNDC_UTIL_H +#define RNDC_UTIL_H 1 + +/*! \file */ + +#include +#include + +#include + +#define NS_CONTROL_PORT 953 + +#undef DO +#define DO(name, function) \ + do { \ + result = function; \ + if (result != ISC_R_SUCCESS) \ + fatal("%s: %s", name, isc_result_totext(result)); \ + else \ + notify("%s", name); \ + } while (0) + +ISC_LANG_BEGINDECLS + +void +notify(const char *fmt, ...) ISC_FORMAT_PRINTF(1, 2); + +ISC_PLATFORM_NORETURN_PRE void +fatal(const char *format, ...) +ISC_FORMAT_PRINTF(1, 2) ISC_PLATFORM_NORETURN_POST; + +ISC_LANG_ENDDECLS + +#endif /* RNDC_UTIL_H */ diff --git a/bin/dig/Makefile.in b/bin/dig/Makefile.in index ad20553..bebef6f 100644 --- a/bin/dig/Makefile.in +++ b/bin/dig/Makefile.in @@ -1,4 +1,4 @@ -# Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") +# Copyright (C) 2004, 2005, 2007, 2009 Internet Systems Consortium, Inc. ("ISC") # Copyright (C) 2000-2002 Internet Software Consortium. # # Permission to use, copy, modify, and/or distribute this software for any @@ -13,7 +13,7 @@ # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR # PERFORMANCE OF THIS SOFTWARE. -# $Id: Makefile.in,v 1.41 2007-06-19 23:46:59 tbox Exp $ +# $Id: Makefile.in,v 1.47 2009-12-05 23:31:40 each Exp $ srcdir = @srcdir@ VPATH = @srcdir@ @@ -24,7 +24,7 @@ top_srcdir = @top_srcdir@ @BIND9_MAKE_INCLUDES@ CINCLUDES = -I${srcdir}/include ${DNS_INCLUDES} ${BIND9_INCLUDES} \ - ${ISC_INCLUDES} ${LWRES_INCLUDES} + ${ISC_INCLUDES} ${LWRES_INCLUDES} ${ISCCFG_INCLUDES} CDEFINES = -DVERSION=\"${VERSION}\" CWARNINGS = @@ -33,6 +33,7 @@ ISCCFGLIBS = ../../lib/isccfg/libisccfg.@A@ DNSLIBS = ../../lib/dns/libdns.@A@ @DNS_CRYPTO_LIBS@ BIND9LIBS = ../../lib/bind9/libbind9.@A@ ISCLIBS = ../../lib/isc/libisc.@A@ +ISCNOSYMLIBS = ../../lib/isc/libisc-nosymtbl.@A@ LWRESLIBS = ../../lib/lwres/liblwres.@A@ ISCCFGDEPLIBS = ../../lib/isccfg/libisccfg.@A@ @@ -44,8 +45,11 @@ LWRESDEPLIBS = ../../lib/lwres/liblwres.@A@ DEPLIBS = ${DNSDEPLIBS} ${BIND9DEPLIBS} ${ISCDEPLIBS} ${ISCCFGDEPLIBS} \ ${LWRESDEPLIBS} -LIBS = ${LWRESLIBS} ${DNSLIBS} ${BIND9LIBS} ${ISCLIBS} \ - ${ISCCFGLIBS} @IDNLIBS@ @LIBS@ +LIBS = ${LWRESLIBS} ${DNSLIBS} ${BIND9LIBS} ${ISCCFGLIBS} \ + ${ISCLIBS} @IDNLIBS@ @LIBS@ + +NOSYMLIBS = ${LWRESLIBS} ${DNSLIBS} ${BIND9LIBS} ${ISCCFGLIBS} \ + ${ISCNOSYMLIBS} @IDNLIBS@ @LIBS@ SUBDIRS = @@ -66,16 +70,16 @@ MANOBJS = ${MANPAGES} ${HTMLPAGES} @BIND9_MAKE_RULES@ dig@EXEEXT@: dig.@O@ dighost.@O@ ${UOBJS} ${DEPLIBS} - ${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ \ - dig.@O@ dighost.@O@ ${UOBJS} ${LIBS} + export BASEOBJS="dig.@O@ dighost.@O@ ${UOBJS}"; \ + ${FINALBUILDCMD} host@EXEEXT@: host.@O@ dighost.@O@ ${UOBJS} ${DEPLIBS} - ${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ \ - host.@O@ dighost.@O@ ${UOBJS} ${LIBS} + export BASEOBJS="host.@O@ dighost.@O@ ${UOBJS}"; \ + ${FINALBUILDCMD} nslookup@EXEEXT@: nslookup.@O@ dighost.@O@ ${UOBJS} ${DEPLIBS} - ${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ \ - nslookup.@O@ dighost.@O@ ${UOBJS} ${LIBS} + export BASEOBJS="nslookup.@O@ dighost.@O@ ${UOBJS}"; \ + ${FINALBUILDCMD} doc man:: ${MANOBJS} diff --git a/bin/dig/dig.1 b/bin/dig/dig.1 index 93f90b2..87d5045 100644 --- a/bin/dig/dig.1 +++ b/bin/dig/dig.1 @@ -1,4 +1,4 @@ -.\" Copyright (C) 2004-2009 Internet Systems Consortium, Inc. ("ISC") +.\" Copyright (C) 2004-2010 Internet Systems Consortium, Inc. ("ISC") .\" Copyright (C) 2000-2003 Internet Software Consortium. .\" .\" Permission to use, copy, modify, and/or distribute this software for any @@ -13,7 +13,7 @@ .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR .\" PERFORMANCE OF THIS SOFTWARE. .\" -.\" $Id: dig.1,v 1.50.44.3 2009-07-11 01:55:20 tbox Exp $ +.\" $Id: dig.1,v 1.54 2010-03-05 01:14:15 tbox Exp $ .\" .hy 0 .ad l @@ -455,6 +455,11 @@ Print records like the SOA records in a verbose multi\-line format with human\-r output. .RE .PP +\fB+[no]onesoa\fR +.RS 4 +Print only one (starting) SOA record when performing an AXFR. The default is to print both the starting and ending SOA records. +.RE +.PP \fB+[no]fail\fR .RS 4 Do not try the next server if you receive a SERVFAIL. The default is to not try the next server which is the reverse of normal stub resolver behavior. @@ -562,7 +567,7 @@ RFC1035. .PP There are probably too many query options. .SH "COPYRIGHT" -Copyright \(co 2004\-2009 Internet Systems Consortium, Inc. ("ISC") +Copyright \(co 2004\-2010 Internet Systems Consortium, Inc. ("ISC") .br Copyright \(co 2000\-2003 Internet Software Consortium. .br diff --git a/bin/dig/dig.c b/bin/dig/dig.c index 7de934b..a3143c9 100644 --- a/bin/dig/dig.c +++ b/bin/dig/dig.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: dig.c,v 1.225.26.7 2010-05-13 00:43:37 marka Exp $ */ +/* $Id: dig.c,v 1.237 2010-05-13 00:40:46 marka Exp $ */ /*! \file */ @@ -68,7 +68,8 @@ static char domainopt[DNS_NAME_MAXTEXT]; static isc_boolean_t short_form = ISC_FALSE, printcmd = ISC_TRUE, ip6_int = ISC_FALSE, plusquest = ISC_FALSE, pluscomm = ISC_FALSE, - multiline = ISC_FALSE, nottl = ISC_FALSE, noclass = ISC_FALSE; + multiline = ISC_FALSE, nottl = ISC_FALSE, noclass = ISC_FALSE, + onesoa = ISC_FALSE; /*% opcode text */ static const char * const opcodetext[] = { @@ -138,6 +139,9 @@ print_usage(FILE *fp) { " [ host [@local-server] {local-d-opt} [...]]\n", fp); } +ISC_PLATFORM_NORETURN_PRE static void +usage(void) ISC_PLATFORM_NORETURN_POST; + static void usage(void) { print_usage(stderr); @@ -222,6 +226,7 @@ help(void) { #endif #endif " +[no]multiline (Print records in an expanded format)\n" +" +[no]onesoa (AXFR prints only one soa record)\n" " global d-opts and servers (before host name) affect all queries.\n" " local d-opts and servers (after host name) affect only that lookup.\n" " -h (print help and exit)\n" @@ -468,6 +473,9 @@ printmessage(dig_query_t *query, dns_message_t *msg, isc_boolean_t headers) { flags |= DNS_MESSAGETEXTFLAG_NOHEADERS; flags |= DNS_MESSAGETEXTFLAG_NOCOMMENTS; } + if (onesoa && query->lookup->rdtype == dns_rdatatype_axfr) + flags |= (query->msg_count == 0) ? DNS_MESSAGETEXTFLAG_ONESOA : + DNS_MESSAGETEXTFLAG_OMITSOA; if (!query->lookup->comments) flags |= DNS_MESSAGETEXTFLAG_NOCOMMENTS; @@ -673,19 +681,6 @@ printgreeting(int argc, char **argv, dig_lookup_t *lookup) { } } -static isc_uint32_t -parse_uint(char *arg, const char *desc, isc_uint32_t max) { - isc_result_t result; - isc_uint32_t tmp; - - result = isc_parse_uint32(&tmp, arg, 10); - if (result == ISC_R_SUCCESS && tmp > max) - result = ISC_R_RANGE; - if (result != ISC_R_SUCCESS) - fatal("%s '%s': %s", desc, arg, isc_result_totext(result)); - return (tmp); -} - /*% * We're not using isc_commandline_parse() here since the command line * syntax of dig is quite a bit different from that which can be described @@ -697,8 +692,10 @@ static void plus_option(char *option, isc_boolean_t is_batchfile, dig_lookup_t *lookup) { + isc_result_t result; char option_store[256]; char *cmd, *value, *ptr; + isc_uint32_t num; isc_boolean_t state = ISC_TRUE; #ifdef DIG_SIGCHASE size_t n; @@ -746,6 +743,7 @@ plus_option(char *option, isc_boolean_t is_batchfile, lookup->section_additional = state; break; case 'f': /* adflag */ + case '\0': /* +ad is a synonym for +adflag */ FULLCHECK("adflag"); lookup->adflag = state; break; @@ -787,8 +785,11 @@ plus_option(char *option, isc_boolean_t is_batchfile, goto need_value; if (!state) goto invalid_option; - lookup->udpsize = (isc_uint16_t) parse_uint(value, - "buffer size", COMMSIZE); + result = parse_uint(&num, value, COMMSIZE, + "buffer size"); + if (result != ISC_R_SUCCESS) + fatal("Couldn't parse buffer size"); + lookup->udpsize = num; break; default: goto invalid_option; @@ -797,8 +798,15 @@ plus_option(char *option, isc_boolean_t is_batchfile, case 'c': switch (cmd[1]) { case 'd':/* cdflag */ - FULLCHECK("cdflag"); - lookup->cdflag = state; + switch (cmd[2]) { + case 'f': /* cdflag */ + case '\0': /* +cd is a synonym for +cdflag */ + FULLCHECK("cdflag"); + lookup->cdflag = state; + break; + default: + goto invalid_option; + } break; case 'l': /* cl */ FULLCHECK("cl"); @@ -853,7 +861,10 @@ plus_option(char *option, isc_boolean_t is_batchfile, } if (value == NULL) goto need_value; - lookup->edns = (isc_int16_t) parse_uint(value, "edns", 255); + result = parse_uint(&num, value, 255, "edns"); + if (result != ISC_R_SUCCESS) + fatal("Couldn't parse edns"); + lookup->edns = num; break; case 'f': /* fail */ FULLCHECK("fail"); @@ -883,7 +894,10 @@ plus_option(char *option, isc_boolean_t is_batchfile, goto need_value; if (!state) goto invalid_option; - ndots = parse_uint(value, "ndots", MAXNDOTS); + result = parse_uint(&num, value, MAXNDOTS, "ndots"); + if (result != ISC_R_SUCCESS) + fatal("Couldn't parse ndots"); + ndots = num; break; case 's': switch (cmd[2]) { @@ -918,6 +932,10 @@ plus_option(char *option, isc_boolean_t is_batchfile, goto invalid_option; } break; + case 'o': + FULLCHECK("onesoa"); + onesoa = state; + break; case 'q': switch (cmd[1]) { case 'r': /* qr */ @@ -948,8 +966,10 @@ plus_option(char *option, isc_boolean_t is_batchfile, goto need_value; if (!state) goto invalid_option; - lookup->retries = parse_uint(value, "retries", - MAXTRIES - 1); + result = parse_uint(&lookup->retries, value, + MAXTRIES - 1, "retries"); + if (result != ISC_R_SUCCESS) + fatal("Couldn't parse retries"); lookup->retries++; break; default: @@ -1025,7 +1045,10 @@ plus_option(char *option, isc_boolean_t is_batchfile, goto need_value; if (!state) goto invalid_option; - timeout = parse_uint(value, "timeout", MAXTIMEOUT); + result = parse_uint(&timeout, value, MAXTIMEOUT, + "timeout"); + if (result != ISC_R_SUCCESS) + fatal("Couldn't parse timeout"); if (timeout == 0) timeout = 1; break; @@ -1058,8 +1081,10 @@ plus_option(char *option, isc_boolean_t is_batchfile, goto need_value; if (!state) goto invalid_option; - lookup->retries = parse_uint(value, "tries", - MAXTRIES); + result = parse_uint(&lookup->retries, value, + MAXTRIES, "tries"); + if (result != ISC_R_SUCCESS) + fatal("Couldn't parse tries"); if (lookup->retries == 0) lookup->retries = 1; break; @@ -1125,6 +1150,7 @@ dash_option(char *option, char *next, dig_lookup_t **lookup, struct in6_addr in6; in_port_t srcport; char *hash, *cmd; + isc_uint32_t num; while (strpbrk(option, single_dash_opts) == &option[0]) { /* @@ -1140,6 +1166,7 @@ dash_option(char *option, char *next, dig_lookup_t **lookup, have_ipv6 = ISC_FALSE; } else { fatal("can't find IPv4 networking"); + /* NOTREACHED */ return (ISC_FALSE); } break; @@ -1149,6 +1176,7 @@ dash_option(char *option, char *next, dig_lookup_t **lookup, have_ipv4 = ISC_FALSE; } else { fatal("can't find IPv6 networking"); + /* NOTREACHED */ return (ISC_FALSE); } break; @@ -1199,9 +1227,11 @@ dash_option(char *option, char *next, dig_lookup_t **lookup, case 'b': hash = strchr(value, '#'); if (hash != NULL) { - srcport = (in_port_t) - parse_uint(hash + 1, - "port number", MAXPORT); + result = parse_uint(&num, hash + 1, MAXPORT, + "port number"); + if (result != ISC_R_SUCCESS) + fatal("Couldn't parse port number"); + srcport = num; *hash = '\0'; } else srcport = 0; @@ -1245,7 +1275,10 @@ dash_option(char *option, char *next, dig_lookup_t **lookup, keyfile[sizeof(keyfile)-1]=0; return (value_from_next); case 'p': - port = (in_port_t) parse_uint(value, "port number", MAXPORT); + result = parse_uint(&num, value, MAXPORT, "port number"); + if (result != ISC_R_SUCCESS) + fatal("Couldn't parse port number"); + port = num; return (value_from_next); case 'q': if (!config_only) { @@ -1288,11 +1321,14 @@ dash_option(char *option, char *next, dig_lookup_t **lookup, "extra type option\n"); } if (rdtype == dns_rdatatype_ixfr) { + isc_uint32_t serial; (*lookup)->rdtype = dns_rdatatype_ixfr; (*lookup)->rdtypeset = ISC_TRUE; - (*lookup)->ixfr_serial = - parse_uint(&value[5], "serial number", - MAXSERIAL); + result = parse_uint(&serial, &value[5], + MAXSERIAL, "serial number"); + if (result != ISC_R_SUCCESS) + fatal("Couldn't parse serial number"); + (*lookup)->ixfr_serial = serial; (*lookup)->section_question = plusquest; (*lookup)->comments = pluscomm; (*lookup)->tcp_mode = ISC_TRUE; @@ -1320,65 +1356,7 @@ dash_option(char *option, char *next, dig_lookup_t **lookup, usage(); ptr3 = next_token(&value,":"); /* secret or NULL */ if (ptr3 != NULL) { - if (strcasecmp(ptr, "hmac-md5") == 0) { - hmacname = DNS_TSIG_HMACMD5_NAME; - digestbits = 0; - } else if (strncasecmp(ptr, "hmac-md5-", 9) == 0) { - hmacname = DNS_TSIG_HMACMD5_NAME; - digestbits = parse_uint(&ptr[9], - "digest-bits [0..128]", - 128); - digestbits = (digestbits + 7) & ~0x7U; - } else if (strcasecmp(ptr, "hmac-sha1") == 0) { - hmacname = DNS_TSIG_HMACSHA1_NAME; - digestbits = 0; - } else if (strncasecmp(ptr, "hmac-sha1-", 10) == 0) { - hmacname = DNS_TSIG_HMACSHA1_NAME; - digestbits = parse_uint(&ptr[10], - "digest-bits [0..160]", - 160); - digestbits = (digestbits + 7) & ~0x7U; - } else if (strcasecmp(ptr, "hmac-sha224") == 0) { - hmacname = DNS_TSIG_HMACSHA224_NAME; - digestbits = 0; - } else if (strncasecmp(ptr, "hmac-sha224-", 12) == 0) { - hmacname = DNS_TSIG_HMACSHA224_NAME; - digestbits = parse_uint(&ptr[12], - "digest-bits [0..224]", - 224); - digestbits = (digestbits + 7) & ~0x7U; - } else if (strcasecmp(ptr, "hmac-sha256") == 0) { - hmacname = DNS_TSIG_HMACSHA256_NAME; - digestbits = 0; - } else if (strncasecmp(ptr, "hmac-sha256-", 12) == 0) { - hmacname = DNS_TSIG_HMACSHA256_NAME; - digestbits = parse_uint(&ptr[12], - "digest-bits [0..256]", - 256); - digestbits = (digestbits + 7) & ~0x7U; - } else if (strcasecmp(ptr, "hmac-sha384") == 0) { - hmacname = DNS_TSIG_HMACSHA384_NAME; - digestbits = 0; - } else if (strncasecmp(ptr, "hmac-sha384-", 12) == 0) { - hmacname = DNS_TSIG_HMACSHA384_NAME; - digestbits = parse_uint(&ptr[12], - "digest-bits [0..384]", - 384); - digestbits = (digestbits + 7) & ~0x7U; - } else if (strcasecmp(ptr, "hmac-sha512") == 0) { - hmacname = DNS_TSIG_HMACSHA512_NAME; - digestbits = 0; - } else if (strncasecmp(ptr, "hmac-sha512-", 12) == 0) { - hmacname = DNS_TSIG_HMACSHA512_NAME; - digestbits = parse_uint(&ptr[12], - "digest-bits [0..512]", - 512); - digestbits = (digestbits + 7) & ~0x7U; - } else { - fprintf(stderr, ";; Warning, ignoring " - "invalid TSIG algorithm %s\n", ptr); - return (value_from_next); - } + parse_hmac(ptr); ptr = ptr2; ptr2 = ptr3; } else { @@ -1422,6 +1400,7 @@ dash_option(char *option, char *next, dig_lookup_t **lookup, fprintf(stderr, "Invalid option: -%s\n", option); usage(); } + /* NOTREACHED */ return (ISC_FALSE); } @@ -1626,13 +1605,18 @@ parse_args(isc_boolean_t is_batchfile, isc_boolean_t config_only, "extra type option\n"); } if (rdtype == dns_rdatatype_ixfr) { + isc_uint32_t serial; lookup->rdtype = dns_rdatatype_ixfr; lookup->rdtypeset = ISC_TRUE; - lookup->ixfr_serial = - parse_uint(&rv[0][5], - "serial number", - MAXSERIAL); + result = parse_uint(&serial, + &rv[0][5], + MAXSERIAL, + "serial number"); + if (result != ISC_R_SUCCESS) + fatal("Couldn't parse " + "serial number"); + lookup->ixfr_serial = serial; lookup->section_question = plusquest; lookup->comments = pluscomm; diff --git a/bin/dig/dig.docbook b/bin/dig/dig.docbook index d8e3586..19e2ca2 100644 --- a/bin/dig/dig.docbook +++ b/bin/dig/dig.docbook @@ -2,7 +2,7 @@ "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" []> - + @@ -44,6 +44,7 @@ 2007 2008 2009 + 2010 Internet Systems Consortium, Inc. ("ISC") @@ -766,6 +767,17 @@ + + + + + Print only one (starting) SOA record when performing + an AXFR. The default is to print both the starting and + ending SOA records. + + + + diff --git a/bin/dig/dig.html b/bin/dig/dig.html index 17fd5bb..c9ce8f0 100644 --- a/bin/dig/dig.html +++ b/bin/dig/dig.html @@ -1,5 +1,5 @@ - + @@ -34,7 +34,7 @@

dig [global-queryopt...] [query...]

-

DESCRIPTION

+

DESCRIPTION

dig (domain information groper) is a flexible tool for interrogating DNS name servers. It performs DNS lookups and @@ -80,7 +80,7 @@

-

SIMPLE USAGE

+

SIMPLE USAGE

A typical invocation of dig looks like:

@@ -126,7 +126,7 @@

-

OPTIONS

+

OPTIONS

The -b option sets the source IP address of the query to address. This must be a valid @@ -230,7 +230,7 @@

-

QUERY OPTIONS

+

QUERY OPTIONS

dig provides a number of query options which affect the way in which lookups are made and the results displayed. Some of @@ -499,6 +499,12 @@ each record on a single line, to facilitate machine parsing of the dig output.

+
+[no]onesoa
+

+ Print only one (starting) SOA record when performing + an AXFR. The default is to print both the starting and + ending SOA records. +

+[no]fail

Do not try the next server if you receive a SERVFAIL. The @@ -555,7 +561,7 @@

-

MULTIPLE QUERIES

+

MULTIPLE QUERIES

The BIND 9 implementation of dig supports @@ -601,7 +607,7 @@ dig +qr www.isc.org any -x 127.0.0.1 isc.org ns +noqr

-

IDN SUPPORT

+

IDN SUPPORT

If dig has been built with IDN (internationalized domain name) support, it can accept and display non-ASCII domain names. @@ -615,14 +621,14 @@ dig +qr www.isc.org any -x 127.0.0.1 isc.org ns +noqr

-

FILES

+

FILES

/etc/resolv.conf

${HOME}/.digrc

-

SEE ALSO

+

SEE ALSO

host(1), named(8), dnssec-keygen(8), @@ -630,7 +636,7 @@ dig +qr www.isc.org any -x 127.0.0.1 isc.org ns +noqr

-

BUGS

+

BUGS

There are probably too many query options.

diff --git a/bin/dig/dighost.c b/bin/dig/dighost.c index df5a0c0..e92bc6e 100644 --- a/bin/dig/dighost.c +++ b/bin/dig/dighost.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: dighost.c,v 1.311.70.17 2010-12-09 01:12:54 marka Exp $ */ +/* $Id: dighost.c,v 1.336 2010-12-09 00:54:33 marka Exp $ */ /*! \file * \note @@ -53,6 +53,7 @@ #include #endif #include +#include #include #include #include @@ -71,10 +72,12 @@ #include #include #include +#include #include #ifdef DIG_SIGCHASE #include #endif +#include #include #include #include @@ -84,6 +87,8 @@ #include #include +#include + #include #include @@ -121,6 +126,7 @@ in_port_t port = 53; unsigned int timeout = 0; unsigned int extrabytes; isc_mem_t *mctx = NULL; +isc_log_t *lctx = NULL; isc_taskmgr_t *taskmgr = NULL; isc_task_t *global_task = NULL; isc_timermgr_t *timermgr = NULL; @@ -393,7 +399,7 @@ count_dots(char *string) { static void hex_dump(isc_buffer_t *b) { - unsigned int len; + unsigned int len, i; isc_region_t r; isc_buffer_usedregion(b, &r); @@ -401,11 +407,29 @@ hex_dump(isc_buffer_t *b) { printf("%d bytes\n", r.length); for (len = 0; len < r.length; len++) { printf("%02x ", r.base[len]); - if (len % 16 == 15) + if (len % 16 == 15) { + fputs(" ", stdout); + for (i = len - 15; i <= len; i++) { + if (r.base[i] >= '!' && r.base[i] <= '}') + putchar(r.base[i]); + else + putchar('.'); + } printf("\n"); + } } - if (len % 16 != 0) + if (len % 16 != 0) { + for (i = len; (i % 16) != 0; i++) + fputs(" ", stdout); + fputs(" ", stdout); + for (i = ((len>>4)<<4); i < len; i++) { + if (r.base[i] >= '!' && r.base[i] <= '}') + putchar(r.base[i]); + else + putchar('.'); + } printf("\n"); + } } /*% @@ -903,9 +927,7 @@ setup_text_key(void) { secretsize = isc_buffer_usedlength(&secretbuf); - result = dns_name_fromtext(&keyname, namebuf, - dns_rootname, ISC_FALSE, - namebuf); + result = dns_name_fromtext(&keyname, namebuf, dns_rootname, 0, namebuf); if (result != ISC_R_SUCCESS) goto failure; @@ -924,14 +946,164 @@ setup_text_key(void) { isc_buffer_free(&namebuf); } +isc_result_t +parse_uint(isc_uint32_t *uip, const char *value, isc_uint32_t max, + const char *desc) { + isc_uint32_t n; + isc_result_t result = isc_parse_uint32(&n, value, 10); + if (result == ISC_R_SUCCESS && n > max) + result = ISC_R_RANGE; + if (result != ISC_R_SUCCESS) { + printf("invalid %s '%s': %s\n", desc, + value, isc_result_totext(result)); + return (result); + } + *uip = n; + return (ISC_R_SUCCESS); +} + +static isc_uint32_t +parse_bits(char *arg, const char *desc, isc_uint32_t max) { + isc_result_t result; + isc_uint32_t tmp; + + result = parse_uint(&tmp, arg, max, desc); + if (result != ISC_R_SUCCESS) + fatal("couldn't parse digest bits"); + tmp = (tmp + 7) & ~0x7U; + return (tmp); +} + + +/* + * Parse HMAC algorithm specification + */ +void +parse_hmac(const char *hmac) { + char buf[20]; + int len; + + REQUIRE(hmac != NULL); + + len = strlen(hmac); + if (len >= (int) sizeof(buf)) + fatal("unknown key type '%.*s'", len, hmac); + strncpy(buf, hmac, sizeof(buf)); + + digestbits = 0; + + if (strcasecmp(buf, "hmac-md5") == 0) { + hmacname = DNS_TSIG_HMACMD5_NAME; + } else if (strncasecmp(buf, "hmac-md5-", 9) == 0) { + hmacname = DNS_TSIG_HMACMD5_NAME; + digestbits = parse_bits(&buf[9], "digest-bits [0..128]", 128); + } else if (strcasecmp(buf, "hmac-sha1") == 0) { + hmacname = DNS_TSIG_HMACSHA1_NAME; + digestbits = 0; + } else if (strncasecmp(buf, "hmac-sha1-", 10) == 0) { + hmacname = DNS_TSIG_HMACSHA1_NAME; + digestbits = parse_bits(&buf[10], "digest-bits [0..160]", 160); + } else if (strcasecmp(buf, "hmac-sha224") == 0) { + hmacname = DNS_TSIG_HMACSHA224_NAME; + } else if (strncasecmp(buf, "hmac-sha224-", 12) == 0) { + hmacname = DNS_TSIG_HMACSHA224_NAME; + digestbits = parse_bits(&buf[12], "digest-bits [0..224]", 224); + } else if (strcasecmp(buf, "hmac-sha256") == 0) { + hmacname = DNS_TSIG_HMACSHA256_NAME; + } else if (strncasecmp(buf, "hmac-sha256-", 12) == 0) { + hmacname = DNS_TSIG_HMACSHA256_NAME; + digestbits = parse_bits(&buf[12], "digest-bits [0..256]", 256); + } else if (strcasecmp(buf, "hmac-sha384") == 0) { + hmacname = DNS_TSIG_HMACSHA384_NAME; + } else if (strncasecmp(buf, "hmac-sha384-", 12) == 0) { + hmacname = DNS_TSIG_HMACSHA384_NAME; + digestbits = parse_bits(&buf[12], "digest-bits [0..384]", 384); + } else if (strcasecmp(buf, "hmac-sha512") == 0) { + hmacname = DNS_TSIG_HMACSHA512_NAME; + } else if (strncasecmp(buf, "hmac-sha512-", 12) == 0) { + hmacname = DNS_TSIG_HMACSHA512_NAME; + digestbits = parse_bits(&buf[12], "digest-bits [0..512]", 512); + } else { + fprintf(stderr, ";; Warning, ignoring " + "invalid TSIG algorithm %s\n", buf); + } +} + +/* + * Get a key from a named.conf format keyfile + */ +static isc_result_t +read_confkey(void) { + isc_log_t *lctx = NULL; + cfg_parser_t *pctx = NULL; + cfg_obj_t *file = NULL; + const cfg_obj_t *key = NULL; + const cfg_obj_t *secretobj = NULL; + const cfg_obj_t *algorithmobj = NULL; + const char *keyname; + const char *secretstr; + const char *algorithm; + isc_result_t result; + + if (! isc_file_exists(keyfile)) + return (ISC_R_FILENOTFOUND); + + result = cfg_parser_create(mctx, lctx, &pctx); + if (result != ISC_R_SUCCESS) + goto cleanup; + + result = cfg_parse_file(pctx, keyfile, &cfg_type_sessionkey, + &file); + if (result != ISC_R_SUCCESS) + goto cleanup; + + result = cfg_map_get(file, "key", &key); + if (result != ISC_R_SUCCESS) + goto cleanup; + + (void) cfg_map_get(key, "secret", &secretobj); + (void) cfg_map_get(key, "algorithm", &algorithmobj); + if (secretobj == NULL || algorithmobj == NULL) + fatal("key must have algorithm and secret"); + + keyname = cfg_obj_asstring(cfg_map_getname(key)); + secretstr = cfg_obj_asstring(secretobj); + algorithm = cfg_obj_asstring(algorithmobj); + + strncpy(keynametext, keyname, sizeof(keynametext)); + strncpy(keysecret, secretstr, sizeof(keysecret)); + parse_hmac(algorithm); + setup_text_key(); + + cleanup: + if (pctx != NULL) { + if (file != NULL) + cfg_obj_destroy(pctx, &file); + cfg_parser_destroy(&pctx); + } + + return (result); +} + static void setup_file_key(void) { isc_result_t result; dst_key_t *dstkey = NULL; debug("setup_file_key()"); - result = dst_key_fromnamedfile(keyfile, DST_TYPE_PRIVATE | DST_TYPE_KEY, - mctx, &dstkey); + + /* Try reading the key from a K* pair */ + result = dst_key_fromnamedfile(keyfile, NULL, + DST_TYPE_PRIVATE | DST_TYPE_KEY, mctx, + &dstkey); + + /* If that didn't work, try reading it as a session.key keyfile */ + if (result != ISC_R_SUCCESS) { + result = read_confkey(); + if (result == ISC_R_SUCCESS) + return; + } + if (result != ISC_R_SUCCESS) { fprintf(stderr, "Couldn't read key from %s: %s\n", keyfile, isc_result_totext(result)); @@ -1119,6 +1291,7 @@ set_search_domain(char *domain) { void setup_libs(void) { isc_result_t result; + isc_logconfig_t *logconfig = NULL; debug("setup_libs()"); @@ -1135,6 +1308,18 @@ setup_libs(void) { result = isc_mem_create(0, 0, &mctx); check_result(result, "isc_mem_create"); + result = isc_log_create(mctx, &lctx, &logconfig); + check_result(result, "isc_log_create"); + + isc_log_setcontext(lctx); + dns_log_init(lctx); + dns_log_setcontext(lctx); + + result = isc_log_usechannel(logconfig, "default_debug", NULL, NULL); + check_result(result, "isc_log_usechannel"); + + isc_log_setdebuglevel(lctx, 0); + result = isc_taskmgr_create(mctx, 1, 0, &taskmgr); check_result(result, "isc_taskmgr_create"); @@ -1871,7 +2056,7 @@ setup_lookup(dig_lookup_t *lookup) { isc_buffer_init(&b, lookup->origin->origin, len); isc_buffer_add(&b, len); result = dns_name_fromtext(lookup->oname, &b, dns_rootname, - ISC_FALSE, &lookup->onamebuf); + 0, &lookup->onamebuf); if (result != ISC_R_SUCCESS) { dns_message_puttempname(lookup->sendmsg, &lookup->name); @@ -1888,7 +2073,7 @@ setup_lookup(dig_lookup_t *lookup) { isc_buffer_init(&b, lookup->textname, len); isc_buffer_add(&b, len); result = dns_name_fromtext(lookup->name, &b, - lookup->oname, ISC_FALSE, + lookup->oname, 0, &lookup->namebuf); } if (result != ISC_R_SUCCESS) { @@ -1912,16 +2097,14 @@ setup_lookup(dig_lookup_t *lookup) { isc_buffer_init(&b, idn_textname, len); isc_buffer_add(&b, len); result = dns_name_fromtext(lookup->name, &b, - dns_rootname, - ISC_FALSE, + dns_rootname, 0, &lookup->namebuf); #else len = strlen(lookup->textname); isc_buffer_init(&b, lookup->textname, len); isc_buffer_add(&b, len); result = dns_name_fromtext(lookup->name, &b, - dns_rootname, - ISC_FALSE, + dns_rootname, 0, &lookup->namebuf); #endif } @@ -3549,9 +3732,11 @@ destroy_libs(void) { free_name(&chase_signame, mctx); #endif - debug("Destroy memory"); - #endif + debug("Removing log context"); + isc_log_destroy(&lctx); + + debug("Destroy memory"); if (memdebugging != 0) isc_mem_stats(mctx, stderr); if (mctx != NULL) @@ -4041,7 +4226,7 @@ get_trusted_key(isc_mem_t *mctx) return (ISC_R_FAILURE); } fclose(fptemp); - result = dst_key_fromnamedfile(filetemp, DST_TYPE_PUBLIC, + result = dst_key_fromnamedfile(filetemp, NULL, DST_TYPE_PUBLIC, mctx, &key); removetmpkey(mctx, filetemp); isc_mem_free(mctx, filetemp); @@ -4075,7 +4260,7 @@ nameFromString(const char *str, dns_name_t *p_ret) { dns_fixedname_init(&fixedname); result = dns_name_fromtext(dns_fixedname_name(&fixedname), &buffer, - dns_rootname, ISC_TRUE, NULL); + dns_rootname, DNS_NAME_DOWNCASE, NULL); check_result(result, "nameFromString"); if (dns_name_dynamic(p_ret)) diff --git a/bin/dig/host.1 b/bin/dig/host.1 index 1573eff..464d517 100644 --- a/bin/dig/host.1 +++ b/bin/dig/host.1 @@ -13,7 +13,7 @@ .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR .\" PERFORMANCE OF THIS SOFTWARE. .\" -.\" $Id: host.1,v 1.29.114.2 2009-07-11 01:55:20 tbox Exp $ +.\" $Id: host.1,v 1.31 2009-07-11 01:12:45 tbox Exp $ .\" .hy 0 .ad l diff --git a/bin/dig/host.c b/bin/dig/host.c index ab0be99..13569f6 100644 --- a/bin/dig/host.c +++ b/bin/dig/host.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: host.c,v 1.116.216.5 2010-10-19 23:45:58 tbox Exp $ */ +/* $Id: host.c,v 1.124 2010-11-16 05:38:30 marka Exp $ */ /*! \file */ @@ -141,6 +141,9 @@ rcode_totext(dns_rcode_t rcode) return totext.deconsttext; } +ISC_PLATFORM_NORETURN_PRE static void +show_usage(void) ISC_PLATFORM_NORETURN_POST; + static void show_usage(void) { fputs( diff --git a/bin/dig/host.docbook b/bin/dig/host.docbook index 41175aa..9ffd8e6 100644 --- a/bin/dig/host.docbook +++ b/bin/dig/host.docbook @@ -18,7 +18,7 @@ - PERFORMANCE OF THIS SOFTWARE. --> - + diff --git a/bin/dig/host.html b/bin/dig/host.html index de4b579..531fc1d 100644 --- a/bin/dig/host.html +++ b/bin/dig/host.html @@ -14,7 +14,7 @@ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> - + diff --git a/bin/dig/include/dig/dig.h b/bin/dig/include/dig/dig.h index 3d696c7..c0f778b 100644 --- a/bin/dig/include/dig/dig.h +++ b/bin/dig/include/dig/dig.h @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: dig.h,v 1.107.120.2 2009-01-06 23:47:26 tbox Exp $ */ +/* $Id: dig.h,v 1.111 2009-09-29 15:06:06 fdupont Exp $ */ #ifndef DIG_H #define DIG_H @@ -292,8 +292,9 @@ isc_result_t get_reverse(char *reverse, size_t len, char *value, isc_boolean_t ip6_int, isc_boolean_t strict); -void -fatal(const char *format, ...) ISC_FORMAT_PRINTF(1, 2); +ISC_PLATFORM_NORETURN_PRE void +fatal(const char *format, ...) +ISC_FORMAT_PRINTF(1, 2) ISC_PLATFORM_NORETURN_POST; void debug(const char *format, ...) ISC_FORMAT_PRINTF(1, 2); @@ -325,6 +326,13 @@ setup_libs(void); void setup_system(void); +isc_result_t +parse_uint(isc_uint32_t *uip, const char *value, isc_uint32_t max, + const char *desc); + +void +parse_hmac(const char *hmacstr); + dig_lookup_t * requeue_lookup(dig_lookup_t *lookold, isc_boolean_t servers); diff --git a/bin/dig/nslookup.1 b/bin/dig/nslookup.1 index a8331f9..e97ee1f 100644 --- a/bin/dig/nslookup.1 +++ b/bin/dig/nslookup.1 @@ -12,7 +12,7 @@ .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR .\" PERFORMANCE OF THIS SOFTWARE. .\" -.\" $Id: nslookup.1,v 1.14.354.2 2010-02-23 01:56:02 tbox Exp $ +.\" $Id: nslookup.1,v 1.16 2010-02-23 01:14:31 tbox Exp $ .\" .hy 0 .ad l diff --git a/bin/dig/nslookup.c b/bin/dig/nslookup.c index 8a166fd..0d368b1 100644 --- a/bin/dig/nslookup.c +++ b/bin/dig/nslookup.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007, 2009 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2010 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 2000-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: nslookup.c,v 1.117.334.5 2009-10-20 01:11:22 marka Exp $ */ +/* $Id: nslookup.c,v 1.127 2010-11-17 23:47:08 tbox Exp $ */ #include @@ -541,22 +541,6 @@ safecpy(char *dest, char *src, int size) { dest[size-1] = 0; } -static isc_result_t -parse_uint(isc_uint32_t *uip, const char *value, isc_uint32_t max, - const char *desc) { - isc_uint32_t n; - isc_result_t result = isc_parse_uint32(&n, value, 10); - if (result == ISC_R_SUCCESS && n > max) - result = ISC_R_RANGE; - if (result != ISC_R_SUCCESS) { - printf("invalid %s '%s': %s\n", desc, - value, isc_result_totext(result)); - return result; - } - *uip = n; - return (ISC_R_SUCCESS); -} - static void set_port(const char *value) { isc_uint32_t n; diff --git a/bin/dig/nslookup.docbook b/bin/dig/nslookup.docbook index fb6e706..9c4789d 100644 --- a/bin/dig/nslookup.docbook +++ b/bin/dig/nslookup.docbook @@ -17,7 +17,7 @@ - PERFORMANCE OF THIS SOFTWARE. --> - + - + diff --git a/bin/dnssec/Makefile.in b/bin/dnssec/Makefile.in index 50429be..0f5e4e8 100644 --- a/bin/dnssec/Makefile.in +++ b/bin/dnssec/Makefile.in @@ -1,4 +1,4 @@ -# Copyright (C) 2004, 2005, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") +# Copyright (C) 2004, 2005, 2007-2009 Internet Systems Consortium, Inc. ("ISC") # Copyright (C) 2000-2002 Internet Software Consortium. # # Permission to use, copy, modify, and/or distribute this software for any @@ -13,7 +13,7 @@ # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR # PERFORMANCE OF THIS SOFTWARE. -# $Id: Makefile.in,v 1.35 2008-11-07 02:28:49 marka Exp $ +# $Id: Makefile.in,v 1.42 2009-12-05 23:31:40 each Exp $ srcdir = @srcdir@ VPATH = @srcdir@ @@ -25,11 +25,12 @@ top_srcdir = @top_srcdir@ CINCLUDES = ${DNS_INCLUDES} ${ISC_INCLUDES} -CDEFINES = -DVERSION=\"${VERSION}\" +CDEFINES = -DVERSION=\"${VERSION}\" @USE_PKCS11@ CWARNINGS = DNSLIBS = ../../lib/dns/libdns.@A@ @DNS_CRYPTO_LIBS@ ISCLIBS = ../../lib/isc/libisc.@A@ +ISCNOSYMLIBS = ../../lib/isc/libisc-nosymtbl.@A@ DNSDEPLIBS = ../../lib/dns/libdns.@A@ ISCDEPLIBS = ../../lib/isc/libisc.@A@ @@ -38,44 +39,56 @@ DEPLIBS = ${DNSDEPLIBS} ${ISCDEPLIBS} LIBS = ${DNSLIBS} ${ISCLIBS} @LIBS@ +NOSYMLIBS = ${DNSLIBS} ${ISCNOSYMLIBS} @LIBS@ + # Alphabetically TARGETS = dnssec-keygen@EXEEXT@ dnssec-signzone@EXEEXT@ \ - dnssec-keyfromlabel@EXEEXT@ dnssec-dsfromkey@EXEEXT@ + dnssec-keyfromlabel@EXEEXT@ dnssec-dsfromkey@EXEEXT@ \ + dnssec-revoke@EXEEXT@ dnssec-settime@EXEEXT@ OBJS = dnssectool.@O@ SRCS = dnssec-dsfromkey.c dnssec-keyfromlabel.c dnssec-keygen.c \ - dnssec-signzone.c dnssectool.c + dnssec-revoke.c dnssec-settime.c dnssec-signzone.c dnssectool.c MANPAGES = dnssec-dsfromkey.8 dnssec-keyfromlabel.8 dnssec-keygen.8 \ - dnssec-signzone.8 + dnssec-revoke.8 dnssec-settime.8 dnssec-signzone.8 HTMLPAGES = dnssec-dsfromkey.html dnssec-keyfromlabel.html \ - dnssec-keygen.html dnssec-signzone.html + dnssec-keygen.html dnssec-revoke.html \ + dnssec-settime.html dnssec-signzone.html MANOBJS = ${MANPAGES} ${HTMLPAGES} @BIND9_MAKE_RULES@ dnssec-dsfromkey@EXEEXT@: dnssec-dsfromkey.@O@ ${OBJS} ${DEPLIBS} - ${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ \ - dnssec-dsfromkey.@O@ ${OBJS} ${LIBS} + export BASEOBJS="dnssec-dsfromkey.@O@ ${OBJS}"; \ + ${FINALBUILDCMD} dnssec-keyfromlabel@EXEEXT@: dnssec-keyfromlabel.@O@ ${OBJS} ${DEPLIBS} - ${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ \ - dnssec-keyfromlabel.@O@ ${OBJS} ${LIBS} + export BASEOBJS="dnssec-keyfromlabel.@O@ ${OBJS}"; \ + ${FINALBUILDCMD} dnssec-keygen@EXEEXT@: dnssec-keygen.@O@ ${OBJS} ${DEPLIBS} - ${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ \ - dnssec-keygen.@O@ ${OBJS} ${LIBS} + export BASEOBJS="dnssec-keygen.@O@ ${OBJS}"; \ + ${FINALBUILDCMD} dnssec-signzone.@O@: dnssec-signzone.c ${LIBTOOL_MODE_COMPILE} ${CC} ${ALL_CFLAGS} -DVERSION=\"${VERSION}\" \ -c ${srcdir}/dnssec-signzone.c dnssec-signzone@EXEEXT@: dnssec-signzone.@O@ ${OBJS} ${DEPLIBS} + export BASEOBJS="dnssec-signzone.@O@ ${OBJS}"; \ + ${FINALBUILDCMD} + +dnssec-revoke@EXEEXT@: dnssec-revoke.@O@ ${OBJS} ${DEPLIBS} + ${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ \ + dnssec-revoke.@O@ ${OBJS} ${LIBS} + +dnssec-settime@EXEEXT@: dnssec-settime.@O@ ${OBJS} ${DEPLIBS} ${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ \ - dnssec-signzone.@O@ ${OBJS} ${LIBS} + dnssec-settime.@O@ ${OBJS} ${LIBS} doc man:: ${MANOBJS} diff --git a/bin/dnssec/dnssec-dsfromkey.8 b/bin/dnssec/dnssec-dsfromkey.8 index c49ccdc..25aa2bf 100644 --- a/bin/dnssec/dnssec-dsfromkey.8 +++ b/bin/dnssec/dnssec-dsfromkey.8 @@ -1,4 +1,4 @@ -.\" Copyright (C) 2008 Internet Systems Consortium, Inc. ("ISC") +.\" Copyright (C) 2008-2010 Internet Systems Consortium, Inc. ("ISC") .\" .\" Permission to use, copy, modify, and/or distribute this software for any .\" purpose with or without fee is hereby granted, provided that the above @@ -12,18 +12,18 @@ .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR .\" PERFORMANCE OF THIS SOFTWARE. .\" -.\" $Id: dnssec-dsfromkey.8,v 1.5.14.1 2010-05-19 02:06:11 tbox Exp $ +.\" $Id: dnssec-dsfromkey.8,v 1.13 2010-12-24 01:14:20 tbox Exp $ .\" .hy 0 .ad l .\" Title: dnssec\-dsfromkey .\" Author: .\" Generator: DocBook XSL Stylesheets v1.71.1 -.\" Date: November 29, 2008 +.\" Date: August 26, 2009 .\" Manual: BIND9 .\" Source: BIND9 .\" -.TH "DNSSEC\-DSFROMKEY" "8" "November 29, 2008" "BIND9" "BIND9" +.TH "DNSSEC\-DSFROMKEY" "8" "August 26, 2009" "BIND9" "BIND9" .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) @@ -32,9 +32,9 @@ dnssec\-dsfromkey \- DNSSEC DS RR generation tool .SH "SYNOPSIS" .HP 17 -\fBdnssec\-dsfromkey\fR [\fB\-v\ \fR\fB\fIlevel\fR\fR] [\fB\-1\fR] [\fB\-2\fR] [\fB\-a\ \fR\fB\fIalg\fR\fR] {keyfile} +\fBdnssec\-dsfromkey\fR [\fB\-v\ \fR\fB\fIlevel\fR\fR] [\fB\-1\fR] [\fB\-2\fR] [\fB\-a\ \fR\fB\fIalg\fR\fR] [\fB\-l\ \fR\fB\fIdomain\fR\fR] {keyfile} .HP 17 -\fBdnssec\-dsfromkey\fR {\-s} [\fB\-v\ \fR\fB\fIlevel\fR\fR] [\fB\-1\fR] [\fB\-2\fR] [\fB\-a\ \fR\fB\fIalg\fR\fR] [\fB\-c\ \fR\fB\fIclass\fR\fR] [\fB\-d\ \fR\fB\fIdir\fR\fR] {dnsname} +\fBdnssec\-dsfromkey\fR {\-s} [\fB\-1\fR] [\fB\-2\fR] [\fB\-a\ \fR\fB\fIalg\fR\fR] [\fB\-K\ \fR\fB\fIdirectory\fR\fR] [\fB\-l\ \fR\fB\fIdomain\fR\fR] [\fB\-s\fR] [\fB\-c\ \fR\fB\fIclass\fR\fR] [\fB\-f\ \fR\fB\fIfile\fR\fR] [\fB\-A\fR] [\fB\-v\ \fR\fB\fIlevel\fR\fR] {dnsname} .SH "DESCRIPTION" .PP \fBdnssec\-dsfromkey\fR @@ -55,31 +55,49 @@ Use SHA\-256 as the digest algorithm. .RS 4 Select the digest algorithm. The value of \fBalgorithm\fR -must be one of SHA\-1 (SHA1) or SHA\-256 (SHA256). These values are case insensitive. +must be one of SHA\-1 (SHA1), SHA\-256 (SHA256) or GOST. These values are case insensitive. .RE .PP -\-v \fIlevel\fR +\-K \fIdirectory\fR .RS 4 -Sets the debugging level. +Look for key files (or, in keyset mode, +\fIkeyset\-\fR +files) in +\fBdirectory\fR. +.RE +.PP +\-f \fIfile\fR +.RS 4 +Zone file mode: in place of the keyfile name, the argument is the DNS domain name of a zone master file, which can be read from +\fBfile\fR. If the zone name is the same as +\fBfile\fR, then it may be omitted. +.RE +.PP +\-A +.RS 4 +Include ZSK's when generating DS records. Without this option, only keys which have the KSK flag set will be converted to DS records and printed. Useful only in zone file mode. +.RE +.PP +\-l \fIdomain\fR +.RS 4 +Generate a DLV set instead of a DS set. The specified +\fBdomain\fR +is appended to the name for each record in the set. The DNSSEC Lookaside Validation (DLV) RR is described in RFC 4431. .RE .PP \-s .RS 4 -Keyset mode: in place of the keyfile name, the argument is the DNS domain name of a keyset file. Following options make sense only in this mode. +Keyset mode: in place of the keyfile name, the argument is the DNS domain name of a keyset file. .RE .PP \-c \fIclass\fR .RS 4 -Specifies the DNS class (default is IN), useful only in the keyset mode. +Specifies the DNS class (default is IN). Useful only in keyset or zone file mode. .RE .PP -\-d \fIdirectory\fR +\-v \fIlevel\fR .RS 4 -Look for -\fIkeyset\fR -files in -\fBdirectory\fR -as the directory, ignored when not in the keyset mode. +Sets the debugging level. .RE .SH "EXAMPLE" .PP @@ -115,10 +133,11 @@ A keyfile error can give a "file not found" even if the file exists. \fBdnssec\-signzone\fR(8), BIND 9 Administrator Reference Manual, RFC 3658, +RFC 4431. RFC 4509. .SH "AUTHOR" .PP Internet Systems Consortium .SH "COPYRIGHT" -Copyright \(co 2008 Internet Systems Consortium, Inc. ("ISC") +Copyright \(co 2008\-2010 Internet Systems Consortium, Inc. ("ISC") .br diff --git a/bin/dnssec/dnssec-dsfromkey.c b/bin/dnssec/dnssec-dsfromkey.c index 934d25b..b7f84a0 100644 --- a/bin/dnssec/dnssec-dsfromkey.c +++ b/bin/dnssec/dnssec-dsfromkey.c @@ -14,7 +14,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: dnssec-dsfromkey.c,v 1.2.14.6 2010-01-11 23:47:22 tbox Exp $ */ +/* $Id: dnssec-dsfromkey.c,v 1.19 2010-12-23 04:07:59 marka Exp $ */ /*! \file */ @@ -36,6 +36,8 @@ #include #include #include +#include +#include #include #include #include @@ -48,54 +50,40 @@ #include "dnssectool.h" +#ifndef PATH_MAX +#define PATH_MAX 1024 /* AIX, WIN32, and others don't define this. */ +#endif + const char *program = "dnssec-dsfromkey"; int verbose; static dns_rdataclass_t rdclass; -static dns_fixedname_t fixed; -static dns_name_t *name = NULL; -static dns_db_t *db = NULL; -static dns_dbnode_t *node = NULL; -static dns_rdataset_t keyset; -static isc_mem_t *mctx = NULL; +static dns_fixedname_t fixed; +static dns_name_t *name = NULL; +static isc_mem_t *mctx = NULL; -static void -loadkeys(char *dirname, char *setname) -{ - isc_result_t result; - char filename[1024]; - isc_buffer_t buf; +static isc_result_t +initname(char *setname) { + isc_result_t result; + isc_buffer_t buf; - dns_rdataset_init(&keyset); dns_fixedname_init(&fixed); name = dns_fixedname_name(&fixed); isc_buffer_init(&buf, setname, strlen(setname)); isc_buffer_add(&buf, strlen(setname)); - result = dns_name_fromtext(name, &buf, dns_rootname, ISC_FALSE, NULL); - if (result != ISC_R_SUCCESS) - fatal("can't convert DNS name %s", setname); + result = dns_name_fromtext(name, &buf, dns_rootname, 0, NULL); + return (result); +} - isc_buffer_init(&buf, filename, sizeof(filename)); - if (dirname != NULL) { - if (isc_buffer_availablelength(&buf) < strlen(dirname)) - fatal("directory name '%s' too long", dirname); - isc_buffer_putstr(&buf, dirname); - if (dirname[strlen(dirname) - 1] != '/') { - if (isc_buffer_availablelength(&buf) < 1) - fatal("directory name '%s' too long", dirname); - isc_buffer_putstr(&buf, "/"); - } - } +static isc_result_t +loadsetfromfile(char *filename, dns_rdataset_t *rdataset) { + isc_result_t result; + dns_db_t *db = NULL; + dns_dbnode_t *node = NULL; + char setname[DNS_NAME_FORMATSIZE]; - if (isc_buffer_availablelength(&buf) < strlen("keyset-")) - fatal("directory name '%s' too long", dirname); - isc_buffer_putstr(&buf, "keyset-"); - result = dns_name_tofilenametext(name, ISC_FALSE, &buf); - check_result(result, "dns_name_tofilenametext()"); - if (isc_buffer_availablelength(&buf) == 0) - fatal("name %s too long", setname); - isc_buffer_putuint8(&buf, 0); + dns_name_format(name, setname, sizeof(setname)); result = dns_db_create(mctx, "rbt", name, dns_dbtype_zone, rdclass, 0, NULL, &db); @@ -111,11 +99,49 @@ loadkeys(char *dirname, char *setname) fatal("can't find %s node in %s", setname, filename); result = dns_db_findrdataset(db, node, NULL, dns_rdatatype_dnskey, - 0, 0, &keyset, NULL); + 0, 0, rdataset, NULL); + if (result == ISC_R_NOTFOUND) fatal("no DNSKEY RR for %s in %s", setname, filename); else if (result != ISC_R_SUCCESS) fatal("dns_db_findrdataset"); + + if (node != NULL) + dns_db_detachnode(db, &node); + if (db != NULL) + dns_db_detach(&db); + return (result); +} + +static isc_result_t +loadkeyset(char *dirname, dns_rdataset_t *rdataset) { + isc_result_t result; + char filename[PATH_MAX + 1]; + isc_buffer_t buf; + + dns_rdataset_init(rdataset); + + isc_buffer_init(&buf, filename, sizeof(filename)); + if (dirname != NULL) { + /* allow room for a trailing slash */ + if (strlen(dirname) >= isc_buffer_availablelength(&buf)) + return (ISC_R_NOSPACE); + isc_buffer_putstr(&buf, dirname); + if (dirname[strlen(dirname) - 1] != '/') + isc_buffer_putstr(&buf, "/"); + } + + if (isc_buffer_availablelength(&buf) < 7) + return (ISC_R_NOSPACE); + isc_buffer_putstr(&buf, "keyset-"); + + result = dns_name_tofilenametext(name, ISC_FALSE, &buf); + check_result(result, "dns_name_tofilenametext()"); + if (isc_buffer_availablelength(&buf) == 0) + return (ISC_R_NOSPACE); + isc_buffer_putuint8(&buf, 0); + + return (loadsetfromfile(filename, rdataset)); } static void @@ -127,20 +153,20 @@ loadkey(char *filename, unsigned char *key_buf, unsigned int key_buf_size, isc_buffer_t keyb; isc_region_t r; - dns_rdataset_init(&keyset); dns_rdata_init(rdata); isc_buffer_init(&keyb, key_buf, key_buf_size); - result = dst_key_fromnamedfile(filename, DST_TYPE_PUBLIC, mctx, &key); + result = dst_key_fromnamedfile(filename, NULL, DST_TYPE_PUBLIC, + mctx, &key); if (result != ISC_R_SUCCESS) fatal("invalid keyfile name %s: %s", filename, isc_result_totext(result)); if (verbose > 2) { - char keystr[KEY_FORMATSIZE]; + char keystr[DST_KEY_FORMATSIZE]; - key_format(key, keystr, sizeof(keystr)); + dst_key_format(key, keystr, sizeof(keystr)); fprintf(stderr, "%s: %s\n", program, keystr); } @@ -169,7 +195,7 @@ logkey(dns_rdata_t *rdata) isc_result_t result; dst_key_t *key = NULL; isc_buffer_t buf; - char keystr[KEY_FORMATSIZE]; + char keystr[DST_KEY_FORMATSIZE]; isc_buffer_init(&buf, rdata->data, rdata->length); isc_buffer_add(&buf, rdata->length); @@ -177,89 +203,132 @@ logkey(dns_rdata_t *rdata) if (result != ISC_R_SUCCESS) return; - key_format(key, keystr, sizeof(keystr)); + dst_key_format(key, keystr, sizeof(keystr)); fprintf(stderr, "%s: %s\n", program, keystr); dst_key_free(&key); } static void -emitds(unsigned int dtype, dns_rdata_t *rdata) +emit(unsigned int dtype, isc_boolean_t showall, char *lookaside, + dns_rdata_t *rdata) { - isc_result_t result; - unsigned char buf[DNS_DS_BUFFERSIZE]; - char text_buf[DST_KEY_MAXTEXTSIZE]; - char class_buf[10]; - isc_buffer_t textb, classb; - isc_region_t r; - dns_rdata_t ds; + isc_result_t result; + unsigned char buf[DNS_DS_BUFFERSIZE]; + char text_buf[DST_KEY_MAXTEXTSIZE]; + char name_buf[DNS_NAME_MAXWIRE]; + char class_buf[10]; + isc_buffer_t textb, nameb, classb; + isc_region_t r; + dns_rdata_t ds; + dns_rdata_dnskey_t dnskey; isc_buffer_init(&textb, text_buf, sizeof(text_buf)); + isc_buffer_init(&nameb, name_buf, sizeof(name_buf)); isc_buffer_init(&classb, class_buf, sizeof(class_buf)); dns_rdata_init(&ds); + result = dns_rdata_tostruct(rdata, &dnskey, NULL); + if (result != ISC_R_SUCCESS) + fatal("can't convert DNSKEY"); + + if ((dnskey.flags & DNS_KEYFLAG_KSK) == 0 && !showall) + return; + result = dns_ds_buildrdata(name, rdata, dtype, buf, &ds); if (result != ISC_R_SUCCESS) - fatal("can't build DS"); + fatal("can't build record"); + + result = dns_name_totext(name, ISC_FALSE, &nameb); + if (result != ISC_R_SUCCESS) + fatal("can't print name"); + + /* Add lookaside origin, if set */ + if (lookaside != NULL) { + if (isc_buffer_availablelength(&nameb) < strlen(lookaside)) + fatal("DLV origin '%s' is too long", lookaside); + isc_buffer_putstr(&nameb, lookaside); + if (lookaside[strlen(lookaside) - 1] != '.') { + if (isc_buffer_availablelength(&nameb) < 1) + fatal("DLV origin '%s' is too long", lookaside); + isc_buffer_putstr(&nameb, "."); + } + } result = dns_rdata_totext(&ds, (dns_name_t *) NULL, &textb); if (result != ISC_R_SUCCESS) - fatal("can't print DS rdata"); + fatal("can't print rdata"); result = dns_rdataclass_totext(rdclass, &classb); if (result != ISC_R_SUCCESS) - fatal("can't print DS class"); + fatal("can't print class"); - result = dns_name_print(name, stdout); - if (result != ISC_R_SUCCESS) - fatal("can't print DS name"); + isc_buffer_usedregion(&nameb, &r); + isc_util_fwrite(r.base, 1, r.length, stdout); putchar(' '); isc_buffer_usedregion(&classb, &r); isc_util_fwrite(r.base, 1, r.length, stdout); - printf(" DS "); + if (lookaside == NULL) + printf(" DS "); + else + printf(" DLV "); isc_buffer_usedregion(&textb, &r); isc_util_fwrite(r.base, 1, r.length, stdout); putchar('\n'); } +ISC_PLATFORM_NORETURN_PRE static void +usage(void) ISC_PLATFORM_NORETURN_POST; + static void usage(void) { fprintf(stderr, "Usage:\n"); - fprintf(stderr, " %s options keyfile\n\n", program); - fprintf(stderr, " %s options [-c class] [-d dir] -s dnsname\n\n", + fprintf(stderr, " %s options [-K dir] keyfile\n\n", program); + fprintf(stderr, " %s options [-K dir] [-c class] -s dnsname\n\n", program); + fprintf(stderr, " %s options -f zonefile (as zone name)\n\n", program); + fprintf(stderr, " %s options -f zonefile zonename\n\n", program); fprintf(stderr, "Version: %s\n", VERSION); fprintf(stderr, "Options:\n"); fprintf(stderr, " -v \n"); + fprintf(stderr, " -K : directory in which to find " + "key file or keyset file\n"); + fprintf(stderr, " -a algorithm: digest algorithm " + "(SHA-1, SHA-256 or GOST)\n"); fprintf(stderr, " -1: use SHA-1\n"); fprintf(stderr, " -2: use SHA-256\n"); - fprintf(stderr, " -a algorithm: use algorithm\n"); - fprintf(stderr, "Keyset options:\n"); - fprintf(stderr, " -s: keyset mode\n"); - fprintf(stderr, " -c class\n"); - fprintf(stderr, " -d directory\n"); - fprintf(stderr, "Output: DS RRs\n"); + fprintf(stderr, " -l: add lookaside zone and print DLV records\n"); + fprintf(stderr, " -s: read keyset from keyset- file\n"); + fprintf(stderr, " -c class: rdata class for DS set (default: IN)\n"); + fprintf(stderr, " -f file: read keyset from zone file\n"); + fprintf(stderr, " -A: when used with -f, " + "include all keys in DS set, not just KSKs\n"); + fprintf(stderr, "Output: DS or DLV RRs\n"); exit (-1); } int main(int argc, char **argv) { - char *algname = NULL, *classname = NULL, *dirname = NULL; - char *endp; - int ch; - unsigned int dtype = DNS_DSDIGEST_SHA1; - isc_boolean_t both = ISC_TRUE; - isc_boolean_t usekeyset = ISC_FALSE; - isc_result_t result; - isc_log_t *log = NULL; - isc_entropy_t *ectx = NULL; - dns_rdata_t rdata; + char *algname = NULL, *classname = NULL; + char *filename = NULL, *dir = NULL, *namestr; + char *lookaside = NULL; + char *endp; + int ch; + unsigned int dtype = DNS_DSDIGEST_SHA1; + isc_boolean_t both = ISC_TRUE; + isc_boolean_t usekeyset = ISC_FALSE; + isc_boolean_t showall = ISC_FALSE; + isc_result_t result; + isc_log_t *log = NULL; + isc_entropy_t *ectx = NULL; + dns_rdataset_t rdataset; + dns_rdata_t rdata; dns_rdata_init(&rdata); @@ -275,7 +344,7 @@ main(int argc, char **argv) { isc_commandline_errprint = ISC_FALSE; while ((ch = isc_commandline_parse(argc, argv, - "12a:c:d:sv:h")) != -1) { + "12Aa:c:d:Ff:K:l:sv:h")) != -1) { switch (ch) { case '1': dtype = DNS_DSDIGEST_SHA1; @@ -285,6 +354,9 @@ main(int argc, char **argv) { dtype = DNS_DSDIGEST_SHA256; both = ISC_FALSE; break; + case 'A': + showall = ISC_TRUE; + break; case 'a': algname = isc_commandline_argument; both = ISC_FALSE; @@ -293,7 +365,21 @@ main(int argc, char **argv) { classname = isc_commandline_argument; break; case 'd': - dirname = isc_commandline_argument; + fprintf(stderr, "%s: the -d option is deprecated; " + "use -K\n", program); + /* fall through */ + case 'K': + dir = isc_commandline_argument; + if (strlen(dir) == 0U) + fatal("directory must be non-empty string"); + break; + case 'f': + filename = isc_commandline_argument; + break; + case 'l': + lookaside = isc_commandline_argument; + if (strlen(lookaside) == 0U) + fatal("lookaside must be a non-empty string"); break; case 's': usekeyset = ISC_TRUE; @@ -303,11 +389,14 @@ main(int argc, char **argv) { if (*endp != '\0') fatal("-v must be followed by a number"); break; + case 'F': + /* Reserved for FIPS mode */ + /* FALLTHROUGH */ case '?': if (isc_commandline_option != '?') fprintf(stderr, "%s: invalid argument -%c\n", program, isc_commandline_option); - /* Falls into */ + /* FALLTHROUGH */ case 'h': usage(); @@ -325,13 +414,24 @@ main(int argc, char **argv) { else if (strcasecmp(algname, "SHA256") == 0 || strcasecmp(algname, "SHA-256") == 0) dtype = DNS_DSDIGEST_SHA256; +#ifdef HAVE_OPENSSL_GOST + else if (strcasecmp(algname, "GOST") == 0) + dtype = DNS_DSDIGEST_GOST; +#endif else fatal("unknown algorithm %s", algname); } rdclass = strtoclass(classname); - if (argc < isc_commandline_index + 1) + if (usekeyset && filename != NULL) + fatal("cannot use both -s and -f"); + + /* When not using -f, -A is implicit */ + if (filename == NULL) + showall = ISC_TRUE; + + if (argc < isc_commandline_index + 1 && filename == NULL) fatal("the key file name was not specified"); if (argc > isc_commandline_index + 1) fatal("extraneous arguments"); @@ -344,28 +444,50 @@ main(int argc, char **argv) { result = dst_lib_init(mctx, ectx, ISC_ENTROPY_BLOCKING | ISC_ENTROPY_GOODONLY); if (result != ISC_R_SUCCESS) - fatal("could not initialize dst"); + fatal("could not initialize dst: %s", + isc_result_totext(result)); isc_entropy_stopcallbacksources(ectx); setup_logging(verbose, mctx, &log); - if (usekeyset) { - loadkeys(dirname, argv[isc_commandline_index]); + dns_rdataset_init(&rdataset); + + if (usekeyset || filename != NULL) { + if (argc < isc_commandline_index + 1 && filename != NULL) { + /* using zone name as the zone file name */ + namestr = filename; + } else + namestr = argv[isc_commandline_index]; - for (result = dns_rdataset_first(&keyset); + result = initname(namestr); + if (result != ISC_R_SUCCESS) + fatal("could not initialize name %s", namestr); + + if (usekeyset) + result = loadkeyset(dir, &rdataset); + else + result = loadsetfromfile(filename, &rdataset); + + if (result != ISC_R_SUCCESS) + fatal("could not load DNSKEY set: %s\n", + isc_result_totext(result)); + + for (result = dns_rdataset_first(&rdataset); result == ISC_R_SUCCESS; - result = dns_rdataset_next(&keyset)) { + result = dns_rdataset_next(&rdataset)) { dns_rdata_init(&rdata); - dns_rdataset_current(&keyset, &rdata); + dns_rdataset_current(&rdataset, &rdata); if (verbose > 2) logkey(&rdata); if (both) { - emitds(DNS_DSDIGEST_SHA1, &rdata); - emitds(DNS_DSDIGEST_SHA256, &rdata); + emit(DNS_DSDIGEST_SHA1, showall, lookaside, + &rdata); + emit(DNS_DSDIGEST_SHA256, showall, lookaside, + &rdata); } else - emitds(dtype, &rdata); + emit(dtype, showall, lookaside, &rdata); } } else { unsigned char key_buf[DST_KEY_MAXSIZE]; @@ -374,18 +496,14 @@ main(int argc, char **argv) { DST_KEY_MAXSIZE, &rdata); if (both) { - emitds(DNS_DSDIGEST_SHA1, &rdata); - emitds(DNS_DSDIGEST_SHA256, &rdata); + emit(DNS_DSDIGEST_SHA1, showall, lookaside, &rdata); + emit(DNS_DSDIGEST_SHA256, showall, lookaside, &rdata); } else - emitds(dtype, &rdata); + emit(dtype, showall, lookaside, &rdata); } - if (dns_rdataset_isassociated(&keyset)) - dns_rdataset_disassociate(&keyset); - if (node != NULL) - dns_db_detachnode(db, &node); - if (db != NULL) - dns_db_detach(&db); + if (dns_rdataset_isassociated(&rdataset)) + dns_rdataset_disassociate(&rdataset); cleanup_logging(&log); dst_lib_destroy(); isc_hash_destroy(); diff --git a/bin/dnssec/dnssec-dsfromkey.docbook b/bin/dnssec/dnssec-dsfromkey.docbook index c4ea38d..36410d5 100644 --- a/bin/dnssec/dnssec-dsfromkey.docbook +++ b/bin/dnssec/dnssec-dsfromkey.docbook @@ -2,7 +2,7 @@ "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" []> - + - November 29, 2008 + August 26, 2009 @@ -37,6 +37,8 @@ 2008 + 2009 + 2010 Internet Systems Consortium, Inc. ("ISC") @@ -48,17 +50,22 @@ + keyfile dnssec-dsfromkey -s - + + + - + + + dnsname @@ -99,17 +106,55 @@ Select the digest algorithm. The value of - must be one of SHA-1 (SHA1) or - SHA-256 (SHA256). These values are case insensitive. + must be one of SHA-1 (SHA1), + SHA-256 (SHA256) or GOST. These values are case insensitive. - -v level + -K directory - Sets the debugging level. + Look for key files (or, in keyset mode, + keyset- files) in + . + + + + + + -f file + + + Zone file mode: in place of the keyfile name, the argument is + the DNS domain name of a zone master file, which can be read + from . If the zone name is the same as + , then it may be omitted. + + + + + + -A + + + Include ZSK's when generating DS records. Without this option, + only keys which have the KSK flag set will be converted to DS + records and printed. Useful only in zone file mode. + + + + + + -l domain + + + Generate a DLV set instead of a DS set. The specified + is appended to the name for each + record in the set. + The DNSSEC Lookaside Validation (DLV) RR is described + in RFC 4431. @@ -119,8 +164,7 @@ Keyset mode: in place of the keyfile name, the argument is - the DNS domain name of a keyset file. Following options make sense - only in this mode. + the DNS domain name of a keyset file. @@ -129,23 +173,20 @@ -c class - Specifies the DNS class (default is IN), useful only - in the keyset mode. + Specifies the DNS class (default is IN). Useful only + in keyset or zone file mode. - -d directory + -v level - Look for keyset files in - as the directory, ignored when - not in the keyset mode. + Sets the debugging level. - @@ -197,6 +238,7 @@ , BIND 9 Administrator Reference Manual, RFC 3658, + RFC 4431. RFC 4509. diff --git a/bin/dnssec/dnssec-dsfromkey.html b/bin/dnssec/dnssec-dsfromkey.html index 6186481..54cc1ab 100644 --- a/bin/dnssec/dnssec-dsfromkey.html +++ b/bin/dnssec/dnssec-dsfromkey.html @@ -1,5 +1,5 @@ - + @@ -28,18 +28,18 @@

Synopsis

-

dnssec-dsfromkey [-v level] [-1] [-2] [-a alg] {keyfile}

-

dnssec-dsfromkey {-s} [-v level] [-1] [-2] [-a alg] [-c class] [-d dir] {dnsname}

+

dnssec-dsfromkey [-v level] [-1] [-2] [-a alg] [-l domain] {keyfile}

+

dnssec-dsfromkey {-s} [-1] [-2] [-a alg] [-K directory] [-l domain] [-s] [-c class] [-f file] [-A] [-v level] {dnsname}

-

DESCRIPTION

+

DESCRIPTION

dnssec-dsfromkey outputs the Delegation Signer (DS) resource record (RR), as defined in RFC 3658 and RFC 4509, for the given key(s).

-

OPTIONS

+

OPTIONS

-1

@@ -53,34 +53,54 @@

-a algorithm

Select the digest algorithm. The value of - algorithm must be one of SHA-1 (SHA1) or - SHA-256 (SHA256). These values are case insensitive. + algorithm must be one of SHA-1 (SHA1), + SHA-256 (SHA256) or GOST. These values are case insensitive.

-
-v level
+
-K directory

- Sets the debugging level. + Look for key files (or, in keyset mode, + keyset- files) in + directory. +

+
-f file
+

+ Zone file mode: in place of the keyfile name, the argument is + the DNS domain name of a zone master file, which can be read + from file. If the zone name is the same as + file, then it may be omitted. +

+
-A
+

+ Include ZSK's when generating DS records. Without this option, + only keys which have the KSK flag set will be converted to DS + records and printed. Useful only in zone file mode. +

+
-l domain
+

+ Generate a DLV set instead of a DS set. The specified + domain is appended to the name for each + record in the set. + The DNSSEC Lookaside Validation (DLV) RR is described + in RFC 4431.

-s

Keyset mode: in place of the keyfile name, the argument is - the DNS domain name of a keyset file. Following options make sense - only in this mode. + the DNS domain name of a keyset file.

-c class

- Specifies the DNS class (default is IN), useful only - in the keyset mode. + Specifies the DNS class (default is IN). Useful only + in keyset or zone file mode.

-
-d directory
+
-v level

- Look for keyset files in - directory as the directory, ignored when - not in the keyset mode. + Sets the debugging level.

-

EXAMPLE

+

EXAMPLE

To build the SHA-256 DS RR from the Kexample.com.+003+26160 @@ -95,7 +115,7 @@

-

FILES

+

FILES

The keyfile can be designed by the key identification Knnnn.+aaa+iiiii or the full file name @@ -109,22 +129,23 @@

-

CAVEAT

+

CAVEAT

A keyfile error can give a "file not found" even if the file exists.

-

SEE ALSO

+

SEE ALSO

dnssec-keygen(8), dnssec-signzone(8), BIND 9 Administrator Reference Manual, RFC 3658, + RFC 4431. RFC 4509.

-

AUTHOR

+

AUTHOR

Internet Systems Consortium

diff --git a/bin/dnssec/dnssec-keyfromlabel.8 b/bin/dnssec/dnssec-keyfromlabel.8 index 45fc087..d8c19f2 100644 --- a/bin/dnssec/dnssec-keyfromlabel.8 +++ b/bin/dnssec/dnssec-keyfromlabel.8 @@ -1,4 +1,4 @@ -.\" Copyright (C) 2008, 2010 Internet Systems Consortium, Inc. ("ISC") +.\" Copyright (C) 2008-2011 Internet Systems Consortium, Inc. ("ISC") .\" .\" Permission to use, copy, modify, and/or distribute this software for any .\" purpose with or without fee is hereby granted, provided that the above @@ -12,7 +12,7 @@ .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR .\" PERFORMANCE OF THIS SOFTWARE. .\" -.\" $Id: dnssec-keyfromlabel.8,v 1.6.14.3 2010-01-16 01:55:32 tbox Exp $ +.\" $Id: dnssec-keyfromlabel.8,v 1.18.14.1.2.1 2011-06-09 03:41:05 tbox Exp $ .\" .hy 0 .ad l @@ -32,18 +32,22 @@ dnssec\-keyfromlabel \- DNSSEC key generation tool .SH "SYNOPSIS" .HP 20 -\fBdnssec\-keyfromlabel\fR {\-a\ \fIalgorithm\fR} {\-l\ \fIlabel\fR} [\fB\-c\ \fR\fB\fIclass\fR\fR] [\fB\-f\ \fR\fB\fIflag\fR\fR] [\fB\-k\fR] [\fB\-n\ \fR\fB\fInametype\fR\fR] [\fB\-p\ \fR\fB\fIprotocol\fR\fR] [\fB\-t\ \fR\fB\fItype\fR\fR] [\fB\-v\ \fR\fB\fIlevel\fR\fR] {name} +\fBdnssec\-keyfromlabel\fR {\-l\ \fIlabel\fR} [\fB\-3\fR] [\fB\-a\ \fR\fB\fIalgorithm\fR\fR] [\fB\-A\ \fR\fB\fIdate/offset\fR\fR] [\fB\-c\ \fR\fB\fIclass\fR\fR] [\fB\-D\ \fR\fB\fIdate/offset\fR\fR] [\fB\-E\ \fR\fB\fIengine\fR\fR] [\fB\-f\ \fR\fB\fIflag\fR\fR] [\fB\-G\fR] [\fB\-I\ \fR\fB\fIdate/offset\fR\fR] [\fB\-k\fR] [\fB\-K\ \fR\fB\fIdirectory\fR\fR] [\fB\-n\ \fR\fB\fInametype\fR\fR] [\fB\-P\ \fR\fB\fIdate/offset\fR\fR] [\fB\-p\ \fR\fB\fIprotocol\fR\fR] [\fB\-R\ \fR\fB\fIdate/offset\fR\fR] [\fB\-t\ \fR\fB\fItype\fR\fR] [\fB\-v\ \fR\fB\fIlevel\fR\fR] [\fB\-y\fR] {name} .SH "DESCRIPTION" .PP \fBdnssec\-keyfromlabel\fR gets keys with the given label from a crypto hardware and builds key files for DNSSEC (Secure DNS), as defined in RFC 2535 and RFC 4034. +.PP +The +\fBname\fR +of the key is specified on the command line. This must match the name of the zone for which the key is being generated. .SH "OPTIONS" .PP \-a \fIalgorithm\fR .RS 4 Selects the cryptographic algorithm. The value of \fBalgorithm\fR -must be one of RSAMD5, RSASHA1, DSA, NSEC3RSASHA1, NSEC3DSA, RSASHA256, RSASHA512 or DH (Diffie Hellman). These values are case insensitive. +must be one of RSAMD5, RSASHA1, DSA, NSEC3RSASHA1, NSEC3DSA, RSASHA256, RSASHA512 or ECCGOST. These values are case insensitive. .sp If no algorithm is specified, then RSASHA1 will be used by default, unless the \fB\-3\fR @@ -56,9 +60,19 @@ Note 1: that for DNSSEC, RSASHA1 is a mandatory to implement algorithm, and DSA Note 2: DH automatically sets the \-k flag. .RE .PP +\-3 +.RS 4 +Use an NSEC3\-capable algorithm to generate a DNSSEC key. If this option is used and no algorithm is explicitly set on the command line, NSEC3RSASHA1 will be used by default. +.RE +.PP +\-E \fIengine\fR +.RS 4 +Specifies the name of the crypto hardware (OpenSSL engine). When compiled with PKCS#11 support it defaults to "pkcs11". +.RE +.PP \-l \fIlabel\fR .RS 4 -Specifies the label of keys in the crypto hardware (PKCS#11 device). +Specifies the label of the key pair in the crypto hardware. The label may be preceded by an optional OpenSSL engine name, separated by a colon, as in "pkcs11:keylabel". .RE .PP \-n \fInametype\fR @@ -68,6 +82,15 @@ Specifies the owner type of the key. The value of must either be ZONE (for a DNSSEC zone key (KEY/DNSKEY)), HOST or ENTITY (for a key associated with a host (KEY)), USER (for a key associated with a user(KEY)) or OTHER (DNSKEY). These values are case insensitive. .RE .PP +\-C +.RS 4 +Compatibility mode: generates an old\-style key, without any metadata. By default, +\fBdnssec\-keyfromlabel\fR +will include the key's creation date in the metadata stored with the private key, and other dates may be set there as well (publication date, activation date, etc). Keys that include this data may be incompatible with older versions of BIND; the +\fB\-C\fR +option suppresses them. +.RE +.PP \-c \fIclass\fR .RS 4 Indicates that the DNS record containing the key should have the specified class. If not specified, class IN is used. @@ -75,13 +98,23 @@ Indicates that the DNS record containing the key should have the specified class .PP \-f \fIflag\fR .RS 4 -Set the specified flag in the flag field of the KEY/DNSKEY record. The only recognized flag is KSK (Key Signing Key) DNSKEY. +Set the specified flag in the flag field of the KEY/DNSKEY record. The only recognized flags are KSK (Key Signing Key) and REVOKE. +.RE +.PP +\-G +.RS 4 +Generate a key, but do not publish it or sign with it. This option is incompatible with \-P and \-A. .RE .PP \-h .RS 4 Prints a short summary of the options and arguments to -\fBdnssec\-keygen\fR. +\fBdnssec\-keyfromlabel\fR. +.RE +.PP +\-K \fIdirectory\fR +.RS 4 +Sets the directory in which the key files are to be written. .RE .PP \-k @@ -91,7 +124,7 @@ Generate KEY records rather than DNSKEY records. .PP \-p \fIprotocol\fR .RS 4 -Sets the protocol value for the generated key. The protocol is a number between 0 and 255. The default is 3 (DNSSEC). Other possible values for this argument are listed in RFC 2535 and its successors. +Sets the protocol value for the key. The protocol is a number between 0 and 255. The default is 3 (DNSSEC). Other possible values for this argument are listed in RFC 2535 and its successors. .RE .PP \-t \fItype\fR @@ -105,6 +138,39 @@ must be one of AUTHCONF, NOAUTHCONF, NOAUTH, or NOCONF. The default is AUTHCONF. .RS 4 Sets the debugging level. .RE +.PP +\-y +.RS 4 +Allows DNSSEC key files to be generated even if the key ID would collide with that of an existing key, in the event of either key being revoked. (This is only safe to use if you are sure you won't be using RFC 5011 trust anchor maintenance with either of the keys involved.) +.RE +.SH "TIMING OPTIONS" +.PP +Dates can be expressed in the format YYYYMMDD or YYYYMMDDHHMMSS. If the argument begins with a '+' or '\-', it is interpreted as an offset from the present time. For convenience, if such an offset is followed by one of the suffixes 'y', 'mo', 'w', 'd', 'h', or 'mi', then the offset is computed in years (defined as 365 24\-hour days, ignoring leap years), months (defined as 30 24\-hour days), weeks, days, hours, or minutes, respectively. Without a suffix, the offset is computed in seconds. +.PP +\-P \fIdate/offset\fR +.RS 4 +Sets the date on which a key is to be published to the zone. After that date, the key will be included in the zone but will not be used to sign it. If not set, and if the \-G option has not been used, the default is "now". +.RE +.PP +\-A \fIdate/offset\fR +.RS 4 +Sets the date on which the key is to be activated. After that date, the key will be included in the zone and used to sign it. If not set, and if the \-G option has not been used, the default is "now". +.RE +.PP +\-R \fIdate/offset\fR +.RS 4 +Sets the date on which the key is to be revoked. After that date, the key will be flagged as revoked. It will be included in the zone and will be used to sign it. +.RE +.PP +\-I \fIdate/offset\fR +.RS 4 +Sets the date on which the key is to be retired. After that date, the key will still be included in the zone, but it will not be used to sign it. +.RE +.PP +\-D \fIdate/offset\fR +.RS 4 +Sets the date on which the key is to be deleted. After that date, the key will no longer be included in the zone. (It may remain in the key repository, however.) +.RE .SH "GENERATED KEY FILES" .PP When @@ -138,7 +204,7 @@ file contains a DNS KEY record that can be inserted into a zone file (directly o .PP The \fI.private\fR -file contains algorithm specific fields. For obvious security reasons, this file does not have general read permission. +file contains algorithm\-specific fields. For obvious security reasons, this file does not have general read permission. .SH "SEE ALSO" .PP \fBdnssec\-keygen\fR(8), @@ -149,5 +215,5 @@ RFC 4034. .PP Internet Systems Consortium .SH "COPYRIGHT" -Copyright \(co 2008, 2010 Internet Systems Consortium, Inc. ("ISC") +Copyright \(co 2008\-2011 Internet Systems Consortium, Inc. ("ISC") .br diff --git a/bin/dnssec/dnssec-keyfromlabel.c b/bin/dnssec/dnssec-keyfromlabel.c index 8e9a53b..323f918 100644 --- a/bin/dnssec/dnssec-keyfromlabel.c +++ b/bin/dnssec/dnssec-keyfromlabel.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2007, 2008, 2010 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2007-2010 Internet Systems Consortium, Inc. ("ISC") * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -14,12 +14,13 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: dnssec-keyfromlabel.c,v 1.4.50.2 2010-01-15 23:47:31 tbox Exp $ */ +/* $Id: dnssec-keyfromlabel.c,v 1.32 2010-12-23 04:07:59 marka Exp $ */ /*! \file */ #include +#include #include #include @@ -27,9 +28,11 @@ #include #include #include +#include #include #include +#include #include #include #include @@ -47,35 +50,60 @@ const char *program = "dnssec-keyfromlabel"; int verbose; +#define DEFAULT_ALGORITHM "RSASHA1" +#define DEFAULT_NSEC3_ALGORITHM "NSEC3RSASHA1" + static const char *algs = "RSA | RSAMD5 | DH | DSA | RSASHA1 |" " NSEC3DSA | NSEC3RSASHA1 |" - " RSASHA256 | RSASHA512"; + " RSASHA256 | RSASHA512 | ECCGOST"; + +ISC_PLATFORM_NORETURN_PRE static void +usage(void) ISC_PLATFORM_NORETURN_POST; static void usage(void) { fprintf(stderr, "Usage:\n"); - fprintf(stderr, " %s -a alg -l label [options] name\n\n", + fprintf(stderr, " %s -l label [options] name\n\n", program); fprintf(stderr, "Version: %s\n", VERSION); fprintf(stderr, "Required options:\n"); - fprintf(stderr, " -a algorithm: %s\n", algs); - fprintf(stderr, " -l label: label of the key\n"); + fprintf(stderr, " -l label: label of the key pair\n"); fprintf(stderr, " name: owner of the key\n"); fprintf(stderr, "Other options:\n"); + fprintf(stderr, " -a algorithm: %s\n", algs); + fprintf(stderr, " (default: RSASHA1, or " + "NSEC3RSASHA1 if using -3)\n"); + fprintf(stderr, " -3: use NSEC3-capable algorithm\n"); + fprintf(stderr, " -c class (default: IN)\n"); +#ifdef USE_PKCS11 + fprintf(stderr, " -E enginename (default: pkcs11)\n"); +#else + fprintf(stderr, " -E enginename\n"); +#endif + fprintf(stderr, " -f keyflag: KSK | REVOKE\n"); + fprintf(stderr, " -K directory: directory in which to place " + "key files\n"); + fprintf(stderr, " -k: generate a TYPE=KEY key\n"); fprintf(stderr, " -n nametype: ZONE | HOST | ENTITY | USER | OTHER\n"); fprintf(stderr, " (DNSKEY generation defaults to ZONE\n"); - fprintf(stderr, " -c (default: IN)\n"); - fprintf(stderr, " -f keyflag: KSK\n"); - fprintf(stderr, " -t : " + fprintf(stderr, " -p protocol: default: 3 [dnssec]\n"); + fprintf(stderr, " -t type: " "AUTHCONF | NOAUTHCONF | NOAUTH | NOCONF " "(default: AUTHCONF)\n"); - fprintf(stderr, " -p : " - "default: 3 [dnssec]\n"); - fprintf(stderr, " -v \n"); - fprintf(stderr, " -k : generate a TYPE=KEY key\n"); + fprintf(stderr, " -y: permit keys that might collide\n"); + fprintf(stderr, " -v verbose level\n"); + fprintf(stderr, "Date options:\n"); + fprintf(stderr, " -P date/[+-]offset: set key publication date\n"); + fprintf(stderr, " -A date/[+-]offset: set key activation date\n"); + fprintf(stderr, " -R date/[+-]offset: set key revocation date\n"); + fprintf(stderr, " -I date/[+-]offset: set key inactivation date\n"); + fprintf(stderr, " -D date/[+-]offset: set key deletion date\n"); + fprintf(stderr, " -G: generate key only; do not set -P or -A\n"); + fprintf(stderr, " -C: generate a backward-compatible key, omitting" + " all dates\n"); fprintf(stderr, "Output:\n"); fprintf(stderr, " K++.key, " - "K++.private\n"); + "K++.private\n"); exit (-1); } @@ -83,14 +111,20 @@ usage(void) { int main(int argc, char **argv) { char *algname = NULL, *nametype = NULL, *type = NULL; + const char *directory = NULL; +#ifdef USE_PKCS11 + const char *engine = "pkcs11"; +#else + const char *engine = NULL; +#endif char *classname = NULL; char *endp; - dst_key_t *key = NULL, *oldkey; + dst_key_t *key = NULL; dns_fixedname_t fname; dns_name_t *name; - isc_uint16_t flags = 0, ksk = 0; + isc_uint16_t flags = 0, kskflag = 0, revflag = 0; dns_secalg_t alg; - isc_boolean_t null_key = ISC_FALSE; + isc_boolean_t oldstyle = ISC_FALSE; isc_mem_t *mctx = NULL; int ch; int protocol = -1, signatory = 0; @@ -103,6 +137,20 @@ main(int argc, char **argv) { dns_rdataclass_t rdclass; int options = DST_TYPE_PRIVATE | DST_TYPE_PUBLIC; char *label = NULL; + isc_stdtime_t publish = 0, activate = 0, revoke = 0; + isc_stdtime_t inactive = 0, delete = 0; + isc_stdtime_t now; + isc_boolean_t setpub = ISC_FALSE, setact = ISC_FALSE; + isc_boolean_t setrev = ISC_FALSE, setinact = ISC_FALSE; + isc_boolean_t setdel = ISC_FALSE; + isc_boolean_t unsetpub = ISC_FALSE, unsetact = ISC_FALSE; + isc_boolean_t unsetrev = ISC_FALSE, unsetinact = ISC_FALSE; + isc_boolean_t unsetdel = ISC_FALSE; + isc_boolean_t genonly = ISC_FALSE; + isc_boolean_t use_nsec3 = ISC_FALSE; + isc_boolean_t avoid_collisions = ISC_TRUE; + isc_boolean_t exact; + unsigned char c; if (argc == 1) usage(); @@ -113,28 +161,49 @@ main(int argc, char **argv) { isc_commandline_errprint = ISC_FALSE; + isc_stdtime_get(&now); + while ((ch = isc_commandline_parse(argc, argv, - "a:c:f:kl:n:p:t:v:h")) != -1) + "3a:Cc:E:f:K:kl:n:p:t:v:yFhGP:A:R:I:D:")) != -1) { switch (ch) { + case '3': + use_nsec3 = ISC_TRUE; + break; case 'a': algname = isc_commandline_argument; break; + case 'C': + oldstyle = ISC_TRUE; + break; case 'c': classname = isc_commandline_argument; break; + case 'E': + engine = isc_commandline_argument; + break; case 'f': - if (strcasecmp(isc_commandline_argument, "KSK") == 0) - ksk = DNS_KEYFLAG_KSK; + c = (unsigned char)(isc_commandline_argument[0]); + if (toupper(c) == 'K') + kskflag = DNS_KEYFLAG_KSK; + else if (toupper(c) == 'R') + revflag = DNS_KEYFLAG_REVOKE; else fatal("unknown flag '%s'", isc_commandline_argument); break; + case 'K': + directory = isc_commandline_argument; + ret = try_dir(directory); + if (ret != ISC_R_SUCCESS) + fatal("cannot open directory %s: %s", + directory, isc_result_totext(ret)); + break; case 'k': options |= DST_TYPE_KEY; break; case 'l': - label = isc_commandline_argument; + label = isc_mem_strdup(mctx, isc_commandline_argument); break; case 'n': nametype = isc_commandline_argument; @@ -153,11 +222,80 @@ main(int argc, char **argv) { if (*endp != '\0') fatal("-v must be followed by a number"); break; - + case 'y': + avoid_collisions = ISC_FALSE; + break; + case 'G': + genonly = ISC_TRUE; + break; + case 'P': + if (setpub || unsetpub) + fatal("-P specified more than once"); + + if (strcasecmp(isc_commandline_argument, "none")) { + setpub = ISC_TRUE; + publish = strtotime(isc_commandline_argument, + now, now); + } else { + unsetpub = ISC_TRUE; + } + break; + case 'A': + if (setact || unsetact) + fatal("-A specified more than once"); + + if (strcasecmp(isc_commandline_argument, "none")) { + setact = ISC_TRUE; + activate = strtotime(isc_commandline_argument, + now, now); + } else { + unsetact = ISC_TRUE; + } + break; + case 'R': + if (setrev || unsetrev) + fatal("-R specified more than once"); + + if (strcasecmp(isc_commandline_argument, "none")) { + setrev = ISC_TRUE; + revoke = strtotime(isc_commandline_argument, + now, now); + } else { + unsetrev = ISC_TRUE; + } + break; + case 'I': + if (setinact || unsetinact) + fatal("-I specified more than once"); + + if (strcasecmp(isc_commandline_argument, "none")) { + setinact = ISC_TRUE; + inactive = strtotime(isc_commandline_argument, + now, now); + } else { + unsetinact = ISC_TRUE; + } + break; + case 'D': + if (setdel || unsetdel) + fatal("-D specified more than once"); + + if (strcasecmp(isc_commandline_argument, "none")) { + setdel = ISC_TRUE; + delete = strtotime(isc_commandline_argument, + now, now); + } else { + unsetdel = ISC_TRUE; + } + break; + case 'F': + /* Reserved for FIPS mode */ + /* FALLTHROUGH */ case '?': if (isc_commandline_option != '?') fprintf(stderr, "%s: invalid argument -%c\n", program, isc_commandline_option); + /* FALLTHROUGH */ case 'h': usage(); @@ -170,10 +308,11 @@ main(int argc, char **argv) { if (ectx == NULL) setup_entropy(mctx, NULL, &ectx); - ret = dst_lib_init(mctx, ectx, - ISC_ENTROPY_BLOCKING | ISC_ENTROPY_GOODONLY); + ret = dst_lib_init2(mctx, ectx, engine, + ISC_ENTROPY_BLOCKING | ISC_ENTROPY_GOODONLY); if (ret != ISC_R_SUCCESS) - fatal("could not initialize dst"); + fatal("could not initialize dst: %s", + isc_result_totext(ret)); setup_logging(verbose, mctx, &log); @@ -184,8 +323,30 @@ main(int argc, char **argv) { if (argc > isc_commandline_index + 1) fatal("extraneous arguments"); - if (algname == NULL) - fatal("no algorithm was specified"); + if (strchr(label, ':') == NULL && + engine != NULL && strlen(engine) != 0U) { + char *l; + int len; + + len = strlen(label) + strlen(engine) + 2; + l = isc_mem_allocate(mctx, len); + if (l == NULL) + fatal("cannot allocate memory"); + snprintf(l, len, "%s:%s", engine, label); + isc_mem_free(mctx, label); + label = l; + } + + if (algname == NULL) { + if (use_nsec3) + algname = strdup(DEFAULT_NSEC3_ALGORITHM); + else + algname = strdup(DEFAULT_ALGORITHM); + if (verbose > 0) + fprintf(stderr, "no algorithm specified; " + "defaulting to %s\n", algname); + } + if (strcasecmp(algname, "RSA") == 0) { fprintf(stderr, "The use of RSA (RSAMD5) is not recommended.\n" "If you still wish to use RSA (RSAMD5) please " @@ -201,6 +362,14 @@ main(int argc, char **argv) { options |= DST_TYPE_KEY; } + if (use_nsec3 && + alg != DST_ALG_NSEC3DSA && alg != DST_ALG_NSEC3RSASHA1 && + alg != DST_ALG_RSASHA256 && alg != DST_ALG_RSASHA512 && + alg != DST_ALG_ECCGOST) { + fatal("%s is incompatible with NSEC3; " + "do not use the -3 option", algname); + } + if (type != NULL && (options & DST_TYPE_KEY) != 0) { if (strcasecmp(type, "NOAUTH") == 0) flags |= DNS_KEYTYPE_NOAUTH; @@ -234,10 +403,15 @@ main(int argc, char **argv) { rdclass = strtoclass(classname); + if (directory == NULL) + directory = "."; + if ((options & DST_TYPE_KEY) != 0) /* KEY */ flags |= signatory; - else if ((flags & DNS_KEYOWNER_ZONE) != 0) /* DNSKEY */ - flags |= ksk; + else if ((flags & DNS_KEYOWNER_ZONE) != 0) { /* DNSKEY */ + flags |= kskflag; + flags |= revflag; + } if (protocol == -1) protocol = DNS_KEYPROTO_DNSSEC; @@ -260,53 +434,108 @@ main(int argc, char **argv) { isc_buffer_init(&buf, argv[isc_commandline_index], strlen(argv[isc_commandline_index])); isc_buffer_add(&buf, strlen(argv[isc_commandline_index])); - ret = dns_name_fromtext(name, &buf, dns_rootname, ISC_FALSE, NULL); + ret = dns_name_fromtext(name, &buf, dns_rootname, 0, NULL); if (ret != ISC_R_SUCCESS) fatal("invalid key name %s: %s", argv[isc_commandline_index], isc_result_totext(ret)); - if ((flags & DNS_KEYFLAG_TYPEMASK) == DNS_KEYTYPE_NOKEY) - null_key = ISC_TRUE; - isc_buffer_init(&buf, filename, sizeof(filename) - 1); /* associate the key */ ret = dst_key_fromlabel(name, alg, flags, protocol, - rdclass, "", label, NULL, mctx, &key); + rdclass, engine, label, NULL, mctx, &key); isc_entropy_stopcallbacksources(ectx); if (ret != ISC_R_SUCCESS) { char namestr[DNS_NAME_FORMATSIZE]; - char algstr[ALG_FORMATSIZE]; + char algstr[DNS_SECALG_FORMATSIZE]; dns_name_format(name, namestr, sizeof(namestr)); - alg_format(alg, algstr, sizeof(algstr)); - fatal("failed to generate key %s/%s: %s\n", + dns_secalg_format(alg, algstr, sizeof(algstr)); + fatal("failed to get key %s/%s: %s\n", namestr, algstr, isc_result_totext(ret)); + /* NOTREACHED */ exit(-1); } /* - * Try to read a key with the same name, alg and id from disk. - * If there is one we must continue generating a new one - * unless we were asked to generate a null key, in which - * case we return failure. + * Set key timing metadata (unless using -C) + * + * Publish and activation dates are set to "now" by default, but + * can be overridden. Creation date is always set to "now". */ - ret = dst_key_fromfile(name, dst_key_id(key), alg, - DST_TYPE_PRIVATE, NULL, mctx, &oldkey); - /* do not overwrite an existing key */ - if (ret == ISC_R_SUCCESS) { + if (!oldstyle) { + dst_key_settime(key, DST_TIME_CREATED, now); + + if (genonly && (setpub || setact)) + fatal("cannot use -G together with -P or -A options"); + + if (setpub) + dst_key_settime(key, DST_TIME_PUBLISH, publish); + else if (setact) + dst_key_settime(key, DST_TIME_PUBLISH, activate); + else if (!genonly && !unsetpub) + dst_key_settime(key, DST_TIME_PUBLISH, now); + + if (setact) + dst_key_settime(key, DST_TIME_ACTIVATE, activate); + else if (!genonly && !unsetact) + dst_key_settime(key, DST_TIME_ACTIVATE, now); + + if (setrev) { + if (kskflag == 0) + fprintf(stderr, "%s: warning: Key is " + "not flagged as a KSK, but -R " + "was used. Revoking a ZSK is " + "legal, but undefined.\n", + program); + dst_key_settime(key, DST_TIME_REVOKE, revoke); + } + + if (setinact) + dst_key_settime(key, DST_TIME_INACTIVE, inactive); + + if (setdel) + dst_key_settime(key, DST_TIME_DELETE, delete); + } else { + if (setpub || setact || setrev || setinact || + setdel || unsetpub || unsetact || + unsetrev || unsetinact || unsetdel || genonly) + fatal("cannot use -C together with " + "-P, -A, -R, -I, -D, or -G options"); + /* + * Compatibility mode: Private-key-format + * should be set to 1.2. + */ + dst_key_setprivateformat(key, 1, 2); + } + + /* + * Do not overwrite an existing key. Warn LOUDLY if there + * is a risk of ID collision due to this key or another key + * being revoked. + */ + if (key_collision(dst_key_id(key), name, directory, alg, mctx, &exact)) + { isc_buffer_clear(&buf); - ret = dst_key_buildfilename(key, 0, NULL, &buf); - fprintf(stderr, "%s: %s already exists\n", - program, filename); - dst_key_free(&key); - exit (1); + ret = dst_key_buildfilename(key, 0, directory, &buf); + if (exact) + fatal("%s: %s already exists\n", program, filename); + + if (avoid_collisions) + fatal("%s: %s could collide with another key upon " + "revokation\n", program, filename); + + fprintf(stderr, "%s: WARNING: Key %s could collide with " + "another key upon revokation. If you plan " + "to revoke keys, destroy this key and " + "generate a different one.\n", + program, filename); } - ret = dst_key_tofile(key, options, NULL); + ret = dst_key_tofile(key, options, directory); if (ret != ISC_R_SUCCESS) { - char keystr[KEY_FORMATSIZE]; - key_format(key, keystr, sizeof(keystr)); + char keystr[DST_KEY_FORMATSIZE]; + dst_key_format(key, keystr, sizeof(keystr)); fatal("failed to write key %s: %s\n", keystr, isc_result_totext(ret)); } @@ -322,6 +551,7 @@ main(int argc, char **argv) { dns_name_destroy(); if (verbose > 10) isc_mem_stats(mctx, stdout); + isc_mem_free(mctx, label); isc_mem_destroy(&mctx); return (0); diff --git a/bin/dnssec/dnssec-keyfromlabel.docbook b/bin/dnssec/dnssec-keyfromlabel.docbook index a2fff5a..be38a24 100644 --- a/bin/dnssec/dnssec-keyfromlabel.docbook +++ b/bin/dnssec/dnssec-keyfromlabel.docbook @@ -2,7 +2,7 @@ "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" []> - + February 8, 2008 @@ -37,7 +37,9 @@ 2008 + 2009 2010 + 2011 Internet Systems Consortium, Inc. ("ISC") @@ -45,15 +47,25 @@ dnssec-keyfromlabel - -a algorithm -l label + + + + + + + + + + + name @@ -65,6 +77,11 @@ key files for DNSSEC (Secure DNS), as defined in RFC 2535 and RFC 4034. + + The of the key is specified on the command + line. This must match the name of the zone for which the key is + being generated. + @@ -76,9 +93,8 @@ Selects the cryptographic algorithm. The value of - must be one of RSAMD5, - RSASHA1, DSA, NSEC3RSASHA1, NSEC3DSA, RSASHA256, - RSASHA512 or DH (Diffie Hellman). + must be one of RSAMD5, RSASHA1, + DSA, NSEC3RSASHA1, NSEC3DSA, RSASHA256, RSASHA512 or ECCGOST. These values are case insensitive. @@ -99,11 +115,34 @@ + -3 + + + Use an NSEC3-capable algorithm to generate a DNSSEC key. + If this option is used and no algorithm is explicitly + set on the command line, NSEC3RSASHA1 will be used by + default. + + + + + + -E engine + + + Specifies the name of the crypto hardware (OpenSSL engine). + When compiled with PKCS#11 support it defaults to "pkcs11". + + + + + -l label - Specifies the label of keys in the crypto hardware - (PKCS#11 device). + Specifies the label of the key pair in the crypto hardware. + The label may be preceded by an optional OpenSSL engine name, + separated by a colon, as in "pkcs11:keylabel". @@ -117,8 +156,22 @@ zone key (KEY/DNSKEY)), HOST or ENTITY (for a key associated with a host (KEY)), USER (for a key associated with a user(KEY)) or OTHER (DNSKEY). - These values are - case insensitive. + These values are case insensitive. + + + + + + -C + + + Compatibility mode: generates an old-style key, without + any metadata. By default, dnssec-keyfromlabel + will include the key's creation date in the metadata stored + with the private key, and other dates may be set there as well + (publication date, activation date, etc). Keys that include + this data may be incompatible with older versions of BIND; the + option suppresses them. @@ -138,7 +191,17 @@ Set the specified flag in the flag field of the KEY/DNSKEY record. - The only recognized flag is KSK (Key Signing Key) DNSKEY. + The only recognized flags are KSK (Key Signing Key) and REVOKE. + + + + + + -G + + + Generate a key, but do not publish it or sign with it. This + option is incompatible with -P and -A. @@ -148,7 +211,16 @@ Prints a short summary of the options and arguments to - dnssec-keygen. + dnssec-keyfromlabel. + + + + + + -K directory + + + Sets the directory in which the key files are to be written. @@ -166,7 +238,7 @@ -p protocol - Sets the protocol value for the generated key. The protocol + Sets the protocol value for the key. The protocol is a number between 0 and 255. The default is 3 (DNSSEC). Other possible values for this argument are listed in RFC 2535 and its successors. @@ -195,6 +267,93 @@ + + -y + + + Allows DNSSEC key files to be generated even if the key ID + would collide with that of an existing key, in the event of + either key being revoked. (This is only safe to use if you + are sure you won't be using RFC 5011 trust anchor maintenance + with either of the keys involved.) + + + + + + + + + TIMING OPTIONS + + + Dates can be expressed in the format YYYYMMDD or YYYYMMDDHHMMSS. + If the argument begins with a '+' or '-', it is interpreted as + an offset from the present time. For convenience, if such an offset + is followed by one of the suffixes 'y', 'mo', 'w', 'd', 'h', or 'mi', + then the offset is computed in years (defined as 365 24-hour days, + ignoring leap years), months (defined as 30 24-hour days), weeks, + days, hours, or minutes, respectively. Without a suffix, the offset + is computed in seconds. + + + + + -P date/offset + + + Sets the date on which a key is to be published to the zone. + After that date, the key will be included in the zone but will + not be used to sign it. If not set, and if the -G option has + not been used, the default is "now". + + + + + + -A date/offset + + + Sets the date on which the key is to be activated. After that + date, the key will be included in the zone and used to sign + it. If not set, and if the -G option has not been used, the + default is "now". + + + + + + -R date/offset + + + Sets the date on which the key is to be revoked. After that + date, the key will be flagged as revoked. It will be included + in the zone and will be used to sign it. + + + + + + -I date/offset + + + Sets the date on which the key is to be retired. After that + date, the key will still be included in the zone, but it + will not be used to sign it. + + + + + + -D date/offset + + + Sets the date on which the key is to be deleted. After that + date, the key will no longer be included in the zone. (It + may remain in the key repository, however.) + + + @@ -214,8 +373,7 @@ aaa is the numeric representation - of the - algorithm. + of the algorithm. @@ -229,8 +387,7 @@ on the printed string. Knnnn.+aaa+iiiii.key contains the public key, and Knnnn.+aaa+iiiii.private contains the - private - key. + private key. The .key file contains a DNS KEY record @@ -239,8 +396,8 @@ statement). - The .private file contains algorithm - specific + The .private file contains + algorithm-specific fields. For obvious security reasons, this file does not have general read permission. diff --git a/bin/dnssec/dnssec-keyfromlabel.html b/bin/dnssec/dnssec-keyfromlabel.html index ad2a562..2b1b236 100644 --- a/bin/dnssec/dnssec-keyfromlabel.html +++ b/bin/dnssec/dnssec-keyfromlabel.html @@ -1,5 +1,5 @@ - + @@ -28,26 +28,30 @@

Synopsis

-

dnssec-keyfromlabel {-a algorithm} {-l label} [-c class] [-f flag] [-k] [-n nametype] [-p protocol] [-t type] [-v level] {name}

+

dnssec-keyfromlabel {-l label} [-3] [-a algorithm] [-A date/offset] [-c class] [-D date/offset] [-E engine] [-f flag] [-G] [-I date/offset] [-k] [-K directory] [-n nametype] [-P date/offset] [-p protocol] [-R date/offset] [-t type] [-v level] [-y] {name}

-

DESCRIPTION

+

DESCRIPTION

dnssec-keyfromlabel gets keys with the given label from a crypto hardware and builds key files for DNSSEC (Secure DNS), as defined in RFC 2535 and RFC 4034.

+

+ The name of the key is specified on the command + line. This must match the name of the zone for which the key is + being generated. +

-

OPTIONS

+

OPTIONS

-a algorithm

Selects the cryptographic algorithm. The value of - algorithm must be one of RSAMD5, - RSASHA1, DSA, NSEC3RSASHA1, NSEC3DSA, RSASHA256, - RSASHA512 or DH (Diffie Hellman). + algorithm must be one of RSAMD5, RSASHA1, + DSA, NSEC3RSASHA1, NSEC3DSA, RSASHA256, RSASHA512 or ECCGOST. These values are case insensitive.

@@ -65,10 +69,23 @@ Note 2: DH automatically sets the -k flag.

+
-3
+

+ Use an NSEC3-capable algorithm to generate a DNSSEC key. + If this option is used and no algorithm is explicitly + set on the command line, NSEC3RSASHA1 will be used by + default. +

+
-E engine
+

+ Specifies the name of the crypto hardware (OpenSSL engine). + When compiled with PKCS#11 support it defaults to "pkcs11". +

-l label

- Specifies the label of keys in the crypto hardware - (PKCS#11 device). + Specifies the label of the key pair in the crypto hardware. + The label may be preceded by an optional OpenSSL engine name, + separated by a colon, as in "pkcs11:keylabel".

-n nametype

@@ -77,8 +94,17 @@ zone key (KEY/DNSKEY)), HOST or ENTITY (for a key associated with a host (KEY)), USER (for a key associated with a user(KEY)) or OTHER (DNSKEY). - These values are - case insensitive. + These values are case insensitive. +

+
-C
+

+ Compatibility mode: generates an old-style key, without + any metadata. By default, dnssec-keyfromlabel + will include the key's creation date in the metadata stored + with the private key, and other dates may be set there as well + (publication date, activation date, etc). Keys that include + this data may be incompatible with older versions of BIND; the + -C option suppresses them.

-c class

@@ -88,12 +114,21 @@

-f flag

Set the specified flag in the flag field of the KEY/DNSKEY record. - The only recognized flag is KSK (Key Signing Key) DNSKEY. + The only recognized flags are KSK (Key Signing Key) and REVOKE. +

+
-G
+

+ Generate a key, but do not publish it or sign with it. This + option is incompatible with -P and -A.

-h

Prints a short summary of the options and arguments to - dnssec-keygen. + dnssec-keyfromlabel. +

+
-K directory
+

+ Sets the directory in which the key files are to be written.

-k

@@ -101,7 +136,7 @@

-p protocol

- Sets the protocol value for the generated key. The protocol + Sets the protocol value for the key. The protocol is a number between 0 and 255. The default is 3 (DNSSEC). Other possible values for this argument are listed in RFC 2535 and its successors. @@ -117,10 +152,65 @@

Sets the debugging level.

+
-y
+

+ Allows DNSSEC key files to be generated even if the key ID + would collide with that of an existing key, in the event of + either key being revoked. (This is only safe to use if you + are sure you won't be using RFC 5011 trust anchor maintenance + with either of the keys involved.) +

+
+
+
+

TIMING OPTIONS

+

+ Dates can be expressed in the format YYYYMMDD or YYYYMMDDHHMMSS. + If the argument begins with a '+' or '-', it is interpreted as + an offset from the present time. For convenience, if such an offset + is followed by one of the suffixes 'y', 'mo', 'w', 'd', 'h', or 'mi', + then the offset is computed in years (defined as 365 24-hour days, + ignoring leap years), months (defined as 30 24-hour days), weeks, + days, hours, or minutes, respectively. Without a suffix, the offset + is computed in seconds. +

+
+
-P date/offset
+

+ Sets the date on which a key is to be published to the zone. + After that date, the key will be included in the zone but will + not be used to sign it. If not set, and if the -G option has + not been used, the default is "now". +

+
-A date/offset
+

+ Sets the date on which the key is to be activated. After that + date, the key will be included in the zone and used to sign + it. If not set, and if the -G option has not been used, the + default is "now". +

+
-R date/offset
+

+ Sets the date on which the key is to be revoked. After that + date, the key will be flagged as revoked. It will be included + in the zone and will be used to sign it. +

+
-I date/offset
+

+ Sets the date on which the key is to be retired. After that + date, the key will still be included in the zone, but it + will not be used to sign it. +

+
-D date/offset
+

+ Sets the date on which the key is to be deleted. After that + date, the key will no longer be included in the zone. (It + may remain in the key repository, however.) +

-

GENERATED KEY FILES

+

GENERATED KEY FILES

When dnssec-keyfromlabel completes successfully, @@ -132,8 +222,7 @@

  • nnnn is the key name.

  • aaa is the numeric representation - of the - algorithm. + of the algorithm.

  • iiiii is the key identifier (or footprint). @@ -144,8 +233,7 @@ on the printed string. Knnnn.+aaa+iiiii.key contains the public key, and Knnnn.+aaa+iiiii.private contains the - private - key. + private key.

    The .key file contains a DNS KEY record @@ -154,14 +242,14 @@ statement).

    - The .private file contains algorithm - specific + The .private file contains + algorithm-specific fields. For obvious security reasons, this file does not have general read permission.

    • -

    SEE ALSO

    +

    SEE ALSO

    dnssec-keygen(8), dnssec-signzone(8), BIND 9 Administrator Reference Manual, @@ -169,7 +257,7 @@

    -

    AUTHOR

    +

    AUTHOR

    Internet Systems Consortium

    diff --git a/bin/dnssec/dnssec-keygen.8 b/bin/dnssec/dnssec-keygen.8 index c4be24e..ea4690e 100644 --- a/bin/dnssec/dnssec-keygen.8 +++ b/bin/dnssec/dnssec-keygen.8 @@ -13,7 +13,7 @@ .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR .\" PERFORMANCE OF THIS SOFTWARE. .\" -.\" $Id: dnssec-keygen.8,v 1.40.44.4 2010-01-16 01:55:32 tbox Exp $ +.\" $Id: dnssec-keygen.8,v 1.55 2010-12-24 01:14:19 tbox Exp $ .\" .hy 0 .ad l @@ -33,11 +33,11 @@ dnssec\-keygen \- DNSSEC key generation tool .SH "SYNOPSIS" .HP 14 -\fBdnssec\-keygen\fR {\-a\ \fIalgorithm\fR} {\-b\ \fIkeysize\fR} {\-n\ \fInametype\fR} [\fB\-c\ \fR\fB\fIclass\fR\fR] [\fB\-e\fR] [\fB\-f\ \fR\fB\fIflag\fR\fR] [\fB\-g\ \fR\fB\fIgenerator\fR\fR] [\fB\-h\fR] [\fB\-k\fR] [\fB\-p\ \fR\fB\fIprotocol\fR\fR] [\fB\-r\ \fR\fB\fIrandomdev\fR\fR] [\fB\-s\ \fR\fB\fIstrength\fR\fR] [\fB\-t\ \fR\fB\fItype\fR\fR] [\fB\-v\ \fR\fB\fIlevel\fR\fR] {name} +\fBdnssec\-keygen\fR [\fB\-a\ \fR\fB\fIalgorithm\fR\fR] [\fB\-b\ \fR\fB\fIkeysize\fR\fR] [\fB\-n\ \fR\fB\fInametype\fR\fR] [\fB\-3\fR] [\fB\-A\ \fR\fB\fIdate/offset\fR\fR] [\fB\-C\fR] [\fB\-c\ \fR\fB\fIclass\fR\fR] [\fB\-D\ \fR\fB\fIdate/offset\fR\fR] [\fB\-E\ \fR\fB\fIengine\fR\fR] [\fB\-e\fR] [\fB\-f\ \fR\fB\fIflag\fR\fR] [\fB\-G\fR] [\fB\-g\ \fR\fB\fIgenerator\fR\fR] [\fB\-h\fR] [\fB\-I\ \fR\fB\fIdate/offset\fR\fR] [\fB\-i\ \fR\fB\fIinterval\fR\fR] [\fB\-K\ \fR\fB\fIdirectory\fR\fR] [\fB\-k\fR] [\fB\-P\ \fR\fB\fIdate/offset\fR\fR] [\fB\-p\ \fR\fB\fIprotocol\fR\fR] [\fB\-q\fR] [\fB\-R\ \fR\fB\fIdate/offset\fR\fR] [\fB\-r\ \fR\fB\fIrandomdev\fR\fR] [\fB\-S\ \fR\fB\fIkey\fR\fR] [\fB\-s\ \fR\fB\fIstrength\fR\fR] [\fB\-t\ \fR\fB\fItype\fR\fR] [\fB\-v\ \fR\fB\fIlevel\fR\fR] [\fB\-z\fR] {name} .SH "DESCRIPTION" .PP \fBdnssec\-keygen\fR -generates keys for DNSSEC (Secure DNS), as defined in RFC 2535 and RFC 4034. It can also generate keys for use with TSIG (Transaction Signatures), as defined in RFC 2845. +generates keys for DNSSEC (Secure DNS), as defined in RFC 2535 and RFC 4034. It can also generate keys for use with TSIG (Transaction Signatures) as defined in RFC 2845, or TKEY (Transaction Key) as defined in RFC 2930. .PP The \fBname\fR @@ -48,16 +48,28 @@ of the key is specified on the command line. For DNSSEC keys, this must match th .RS 4 Selects the cryptographic algorithm. For DNSSEC keys, the value of \fBalgorithm\fR -must be one of RSAMD5, RSASHA1, DSA, NSEC3RSASHA1, NSEC3DSA, RSASHA256 or RSASHA512. For TSIG/TKEY, the value must be DH (Diffie Hellman), HMAC\-MD5, HMAC\-SHA1, HMAC\-SHA224, HMAC\-SHA256, HMAC\-SHA384, or HMAC\-SHA512. These values are case insensitive. +must be one of RSAMD5, RSASHA1, DSA, NSEC3RSASHA1, NSEC3DSA, RSASHA256, RSASHA512 or ECCGOST. For TSIG/TKEY, the value must be DH (Diffie Hellman), HMAC\-MD5, HMAC\-SHA1, HMAC\-SHA224, HMAC\-SHA256, HMAC\-SHA384, or HMAC\-SHA512. These values are case insensitive. +.sp +If no algorithm is specified, then RSASHA1 will be used by default, unless the +\fB\-3\fR +option is specified, in which case NSEC3RSASHA1 will be used instead. (If +\fB\-3\fR +is used and an algorithm is specified, that algorithm will be checked for compatibility with NSEC3.) .sp Note 1: that for DNSSEC, RSASHA1 is a mandatory to implement algorithm, and DSA is recommended. For TSIG, HMAC\-MD5 is mandatory. .sp -Note 2: HMAC\-MD5 and DH automatically set the \-k flag. +Note 2: DH, HMAC\-MD5, and HMAC\-SHA1 through HMAC\-SHA512 automatically set the \-T KEY option. .RE .PP \-b \fIkeysize\fR .RS 4 Specifies the number of bits in the key. The choice of key size depends on the algorithm used. RSA keys must be between 512 and 2048 bits. Diffie Hellman keys must be between 128 and 4096 bits. DSA keys must be between 512 and 1024 bits and an exact multiple of 64. HMAC keys must be between 1 and 512 bits. +.sp +The key size does not need to be specified if using a default algorithm. The default key size is 1024 bits for zone signing keys (ZSK's) and 2048 bits for key signing keys (KSK's, generated with +\fB\-f KSK\fR). However, if an algorithm is explicitly specified with the +\fB\-a\fR, then there is no default key size, and the +\fB\-b\fR +must be used. .RE .PP \-n \fInametype\fR @@ -67,11 +79,30 @@ Specifies the owner type of the key. The value of must either be ZONE (for a DNSSEC zone key (KEY/DNSKEY)), HOST or ENTITY (for a key associated with a host (KEY)), USER (for a key associated with a user(KEY)) or OTHER (DNSKEY). These values are case insensitive. Defaults to ZONE for DNSKEY generation. .RE .PP +\-3 +.RS 4 +Use an NSEC3\-capable algorithm to generate a DNSSEC key. If this option is used and no algorithm is explicitly set on the command line, NSEC3RSASHA1 will be used by default. Note that RSASHA256, RSASHA512 and ECCGOST algorithms are NSEC3\-capable. +.RE +.PP +\-C +.RS 4 +Compatibility mode: generates an old\-style key, without any metadata. By default, +\fBdnssec\-keygen\fR +will include the key's creation date in the metadata stored with the private key, and other dates may be set there as well (publication date, activation date, etc). Keys that include this data may be incompatible with older versions of BIND; the +\fB\-C\fR +option suppresses them. +.RE +.PP \-c \fIclass\fR .RS 4 Indicates that the DNS record containing the key should have the specified class. If not specified, class IN is used. .RE .PP +\-E \fIengine\fR +.RS 4 +Uses a crypto hardware (OpenSSL engine) for random number and, when supported, key generation. When compiled with PKCS#11 support it defaults to pkcs11; the empty name resets it to no engine. +.RE +.PP \-e .RS 4 If generating an RSAMD5/RSASHA1 key, use a large exponent. @@ -79,7 +110,12 @@ If generating an RSAMD5/RSASHA1 key, use a large exponent. .PP \-f \fIflag\fR .RS 4 -Set the specified flag in the flag field of the KEY/DNSKEY record. The only recognized flag is KSK (Key Signing Key) DNSKEY. +Set the specified flag in the flag field of the KEY/DNSKEY record. The only recognized flags are KSK (Key Signing Key) and REVOKE. +.RE +.PP +\-G +.RS 4 +Generate a key, but do not publish it or sign with it. This option is incompatible with \-P and \-A. .RE .PP \-g \fIgenerator\fR @@ -93,9 +129,14 @@ Prints a short summary of the options and arguments to \fBdnssec\-keygen\fR. .RE .PP +\-K \fIdirectory\fR +.RS 4 +Sets the directory in which the key files are to be written. +.RE +.PP \-k .RS 4 -Generate KEY records rather than DNSKEY records. +Deprecated in favor of \-T KEY. .RE .PP \-p \fIprotocol\fR @@ -103,6 +144,15 @@ Generate KEY records rather than DNSKEY records. Sets the protocol value for the generated key. The protocol is a number between 0 and 255. The default is 3 (DNSSEC). Other possible values for this argument are listed in RFC 2535 and its successors. .RE .PP +\-q +.RS 4 +Quiet mode: Suppresses unnecessary output, including progress indication. Without this option, when +\fBdnssec\-keygen\fR +is run interactively to generate an RSA or DSA key pair, it will print a string of symbols to +\fIstderr\fR +indicating the progress of the key generation. A '.' indicates that a random number has been found which passed an initial sieve test; '+' means a number has passed a single round of the Miller\-Rabin primality test; a space means that the number has passed all the tests and is a satisfactory key. +.RE +.PP \-r \fIrandomdev\fR .RS 4 Specifies the source of randomness. If the operating system does not provide a @@ -114,11 +164,24 @@ specifies the name of a character device or file containing random data to be us indicates that keyboard input should be used. .RE .PP +\-S \fIkey\fR +.RS 4 +Create a new key which is an explicit successor to an existing key. The name, algorithm, size, and type of the key will be set to match the existing key. The activation date of the new key will be set to the inactivation date of the existing one. The publication date will be set to the activation date minus the prepublication interval, which defaults to 30 days. +.RE +.PP \-s \fIstrength\fR .RS 4 Specifies the strength value of the key. The strength is a number between 0 and 15, and currently has no defined purpose in DNSSEC. .RE .PP +\-T \fIrrtype\fR +.RS 4 +Specifies the resource record type to use for the key. +\fBrrtype\fR +must be either DNSKEY or KEY. The default is DNSKEY when using a DNSSEC algorithm, but it can be overridden to KEY for use with SIG(0). +Using any TSIG algorithm (HMAC\-* or DH) forces this option to KEY. +.RE +.PP \-t \fItype\fR .RS 4 Indicates the use of the key. @@ -130,6 +193,43 @@ must be one of AUTHCONF, NOAUTHCONF, NOAUTH, or NOCONF. The default is AUTHCONF. .RS 4 Sets the debugging level. .RE +.SH "TIMING OPTIONS" +.PP +Dates can be expressed in the format YYYYMMDD or YYYYMMDDHHMMSS. If the argument begins with a '+' or '\-', it is interpreted as an offset from the present time. For convenience, if such an offset is followed by one of the suffixes 'y', 'mo', 'w', 'd', 'h', or 'mi', then the offset is computed in years (defined as 365 24\-hour days, ignoring leap years), months (defined as 30 24\-hour days), weeks, days, hours, or minutes, respectively. Without a suffix, the offset is computed in seconds. +.PP +\-P \fIdate/offset\fR +.RS 4 +Sets the date on which a key is to be published to the zone. After that date, the key will be included in the zone but will not be used to sign it. If not set, and if the \-G option has not been used, the default is "now". +.RE +.PP +\-A \fIdate/offset\fR +.RS 4 +Sets the date on which the key is to be activated. After that date, the key will be included in the zone and used to sign it. If not set, and if the \-G option has not been used, the default is "now". +.RE +.PP +\-R \fIdate/offset\fR +.RS 4 +Sets the date on which the key is to be revoked. After that date, the key will be flagged as revoked. It will be included in the zone and will be used to sign it. +.RE +.PP +\-I \fIdate/offset\fR +.RS 4 +Sets the date on which the key is to be retired. After that date, the key will still be included in the zone, but it will not be used to sign it. +.RE +.PP +\-D \fIdate/offset\fR +.RS 4 +Sets the date on which the key is to be deleted. After that date, the key will no longer be included in the zone. (It may remain in the key repository, however.) +.RE +.PP +\-i \fIinterval\fR +.RS 4 +Sets the prepublication interval for a key. If set, then the publication and activation dates must be separated by at least this much time. If the activation date is specified but the publication date isn't, then the publication date will default to this much time before the activation date; conversely, if the publication date is specified but activation date isn't, then activation will be set to this much time after publication. +.sp +If the key is being created as an explicit successor to another key, then the default prepublication interval is 30 days; otherwise it is zero. +.sp +As with date offsets, if the argument is followed by one of the suffixes 'y', 'mo', 'w', 'd', 'h', or 'mi', then the interval is measured in years, months, weeks, days, hours, or minutes, respectively. Without a suffix, the interval is measured in seconds. +.RE .SH "GENERATED KEYS" .PP When diff --git a/bin/dnssec/dnssec-keygen.c b/bin/dnssec/dnssec-keygen.c index 2184122..f369326 100644 --- a/bin/dnssec/dnssec-keygen.c +++ b/bin/dnssec/dnssec-keygen.c @@ -1,5 +1,5 @@ /* - * Portions Copyright (C) 2004-2008, 2010 Internet Systems Consortium, Inc. ("ISC") + * Portions Copyright (C) 2004-2010 Internet Systems Consortium, Inc. ("ISC") * Portions Copyright (C) 1999-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -29,13 +29,15 @@ * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: dnssec-keygen.c,v 1.81.48.2 2010-01-15 23:47:31 tbox Exp $ */ +/* $Id: dnssec-keygen.c,v 1.115 2010-12-23 04:07:59 marka Exp $ */ /*! \file */ #include +#include #include +#include #include #include @@ -45,6 +47,7 @@ #include #include +#include #include #include #include @@ -62,103 +65,224 @@ const char *program = "dnssec-keygen"; int verbose; -static const char *algs = "RSA | RSAMD5 | DH | DSA | RSASHA1 | RSASHA256 |" - " RSASHA512 | NSEC3DSA | NSEC3RSASHA1 | HMAC-MD5 |" - " HMAC-SHA1 | HMAC-SHA224 | HMAC-SHA256 |" - " HMAC-SHA384 | HMAC-SHA512"; +#define DEFAULT_ALGORITHM "RSASHA1" +#define DEFAULT_NSEC3_ALGORITHM "NSEC3RSASHA1" -static isc_boolean_t -dsa_size_ok(int size) { - return (ISC_TF(size >= 512 && size <= 1024 && size % 64 == 0)); -} +ISC_PLATFORM_NORETURN_PRE static void +usage(void) ISC_PLATFORM_NORETURN_POST; + +static void progress(int p); static void usage(void) { fprintf(stderr, "Usage:\n"); - fprintf(stderr, " %s -a alg -b bits [-n type] [options] name\n\n", - program); + fprintf(stderr, " %s [options] name\n\n", program); fprintf(stderr, "Version: %s\n", VERSION); - fprintf(stderr, "Required options:\n"); - fprintf(stderr, " -a algorithm: %s\n", algs); - fprintf(stderr, " -b key size, in bits:\n"); - fprintf(stderr, " RSAMD5:\t\t[512..%d]\n", MAX_RSA); - fprintf(stderr, " RSASHA1:\t\t[512..%d]\n", MAX_RSA); - fprintf(stderr, " NSEC3RSASHA1:\t\t[512..%d]\n", MAX_RSA); - fprintf(stderr, " RSASHA256:\t[512..%d]\n", MAX_RSA); - fprintf(stderr, " RSASHA512:\t[1024..%d]\n", MAX_RSA); + fprintf(stderr, " name: owner of the key\n"); + fprintf(stderr, "Options:\n"); + fprintf(stderr, " -K : write keys into directory\n"); + fprintf(stderr, " -a :\n"); + fprintf(stderr, " RSA | RSAMD5 | DSA | RSASHA1 | NSEC3RSASHA1" + " | NSEC3DSA |\n"); + fprintf(stderr, " RSASHA256 | RSASHA512 | ECCGOST |\n"); + fprintf(stderr, " DH | HMAC-MD5 | HMAC-SHA1 | HMAC-SHA224 | " + "HMAC-SHA256 | \n"); + fprintf(stderr, " HMAC-SHA384 | HMAC-SHA512\n"); + fprintf(stderr, " (default: RSASHA1, or " + "NSEC3RSASHA1 if using -3)\n"); + fprintf(stderr, " -3: use NSEC3-capable algorithm\n"); + fprintf(stderr, " -b :\n"); + fprintf(stderr, " RSAMD5:\t[512..%d]\n", MAX_RSA); + fprintf(stderr, " RSASHA1:\t[512..%d]\n", MAX_RSA); + fprintf(stderr, " NSEC3RSASHA1:\t[512..%d]\n", MAX_RSA); + fprintf(stderr, " RSASHA256:\t[512..%d]\n", MAX_RSA); + fprintf(stderr, " RSASHA512:\t[1024..%d]\n", MAX_RSA); fprintf(stderr, " DH:\t\t[128..4096]\n"); fprintf(stderr, " DSA:\t\t[512..1024] and divisible by 64\n"); - fprintf(stderr, " NSEC3DSA:\t\t[512..1024] and divisible by 64\n"); + fprintf(stderr, " NSEC3DSA:\t[512..1024] and divisible " + "by 64\n"); + fprintf(stderr, " ECCGOST:\tignored\n"); fprintf(stderr, " HMAC-MD5:\t[1..512]\n"); fprintf(stderr, " HMAC-SHA1:\t[1..160]\n"); fprintf(stderr, " HMAC-SHA224:\t[1..224]\n"); fprintf(stderr, " HMAC-SHA256:\t[1..256]\n"); fprintf(stderr, " HMAC-SHA384:\t[1..384]\n"); fprintf(stderr, " HMAC-SHA512:\t[1..512]\n"); - fprintf(stderr, " -n nametype: ZONE | HOST | ENTITY | USER | OTHER\n"); - fprintf(stderr, " (DNSKEY generation defaults to ZONE\n"); - fprintf(stderr, " name: owner of the key\n"); - fprintf(stderr, "Other options:\n"); - fprintf(stderr, " -c (default: IN)\n"); + fprintf(stderr, " (if using the default algorithm, key size\n" + " defaults to 2048 for KSK, or 1024 for all " + "others)\n"); + fprintf(stderr, " -n : ZONE | HOST | ENTITY | " + "USER | OTHER\n"); + fprintf(stderr, " (DNSKEY generation defaults to ZONE)\n"); + fprintf(stderr, " -c : (default: IN)\n"); fprintf(stderr, " -d (0 => max, default)\n"); - fprintf(stderr, " -e use large exponent (RSAMD5/RSASHA1 only)\n"); - fprintf(stderr, " -f keyflag: KSK\n"); - fprintf(stderr, " -g use specified generator " - "(DH only)\n"); +#ifdef USE_PKCS11 + fprintf(stderr, " -E (default \"pkcs11\")\n"); +#else + fprintf(stderr, " -E \n"); +#endif + fprintf(stderr, " -e: use large exponent (RSAMD5/RSASHA1 only)\n"); + fprintf(stderr, " -f : KSK | REVOKE\n"); + fprintf(stderr, " -g : use specified generator " + "(DH only)\n"); + fprintf(stderr, " -p : (default: 3 [dnssec])\n"); + fprintf(stderr, " -s : strength value this key signs DNS " + "records with (default: 0)\n"); + fprintf(stderr, " -T : DNSKEY | KEY (default: DNSKEY; " + "use KEY for SIG(0))\n"); + fprintf(stderr, " ECCGOST:\tignored\n"); fprintf(stderr, " -t : " - "AUTHCONF | NOAUTHCONF | NOAUTH | NOCONF " - "(default: AUTHCONF)\n"); - fprintf(stderr, " -p : " - "default: 3 [dnssec]\n"); - fprintf(stderr, " -s strength value this key signs DNS " - "records with (default: 0)\n"); + "AUTHCONF | NOAUTHCONF | NOAUTH | NOCONF " + "(default: AUTHCONF)\n"); fprintf(stderr, " -r : a file containing random data\n"); - fprintf(stderr, " -v \n"); - fprintf(stderr, " -k : generate a TYPE=KEY key\n"); + + fprintf(stderr, " -h: print usage and exit\n"); + fprintf(stderr, " -m :\n"); + fprintf(stderr, " usage | trace | record | size | mctx\n"); + fprintf(stderr, " -v : set verbosity level (0 - 10)\n"); + fprintf(stderr, "Timing options:\n"); + fprintf(stderr, " -P date/[+-]offset/none: set key publication date " + "(default: now)\n"); + fprintf(stderr, " -A date/[+-]offset/none: set key activation date " + "(default: now)\n"); + fprintf(stderr, " -R date/[+-]offset/none: set key " + "revocation date\n"); + fprintf(stderr, " -I date/[+-]offset/none: set key " + "inactivation date\n"); + fprintf(stderr, " -D date/[+-]offset/none: set key deletion date\n"); + fprintf(stderr, " -G: generate key only; do not set -P or -A\n"); + fprintf(stderr, " -C: generate a backward-compatible key, omitting " + "all dates\n"); + fprintf(stderr, " -S : generate a successor to an existing " + "key\n"); + fprintf(stderr, " -i : prepublication interval for " + "successor key " + "(default: 30 days)\n"); fprintf(stderr, "Output:\n"); fprintf(stderr, " K++.key, " - "K++.private\n"); + "K++.private\n"); exit (-1); } +static isc_boolean_t +dsa_size_ok(int size) { + return (ISC_TF(size >= 512 && size <= 1024 && size % 64 == 0)); +} + +static void +progress(int p) +{ + char c = '*'; + + switch (p) { + case 0: + c = '.'; + break; + case 1: + c = '+'; + break; + case 2: + c = '*'; + break; + case 3: + c = ' '; + break; + default: + break; + } + (void) putc(c, stderr); + (void) fflush(stderr); +} + int main(int argc, char **argv) { char *algname = NULL, *nametype = NULL, *type = NULL; char *classname = NULL; char *endp; - dst_key_t *key = NULL, *oldkey; + dst_key_t *key = NULL; dns_fixedname_t fname; dns_name_t *name; - isc_uint16_t flags = 0, ksk = 0; + isc_uint16_t flags = 0, kskflag = 0, revflag = 0; dns_secalg_t alg; isc_boolean_t conflict = ISC_FALSE, null_key = ISC_FALSE; + isc_boolean_t oldstyle = ISC_FALSE; isc_mem_t *mctx = NULL; int ch, rsa_exp = 0, generator = 0, param = 0; int protocol = -1, size = -1, signatory = 0; isc_result_t ret; isc_textregion_t r; char filename[255]; + const char *directory = NULL; + const char *predecessor = NULL; + dst_key_t *prevkey = NULL; isc_buffer_t buf; isc_log_t *log = NULL; isc_entropy_t *ectx = NULL; +#ifdef USE_PKCS11 + const char *engine = "pkcs11"; +#else + const char *engine = NULL; +#endif dns_rdataclass_t rdclass; int options = DST_TYPE_PRIVATE | DST_TYPE_PUBLIC; int dbits = 0; + isc_boolean_t use_default = ISC_FALSE, use_nsec3 = ISC_FALSE; + isc_stdtime_t publish = 0, activate = 0, revoke = 0; + isc_stdtime_t inactive = 0, delete = 0; + isc_stdtime_t now; + int prepub = -1; + isc_boolean_t setpub = ISC_FALSE, setact = ISC_FALSE; + isc_boolean_t setrev = ISC_FALSE, setinact = ISC_FALSE; + isc_boolean_t setdel = ISC_FALSE; + isc_boolean_t unsetpub = ISC_FALSE, unsetact = ISC_FALSE; + isc_boolean_t unsetrev = ISC_FALSE, unsetinact = ISC_FALSE; + isc_boolean_t unsetdel = ISC_FALSE; + isc_boolean_t genonly = ISC_FALSE; + isc_boolean_t quiet = ISC_FALSE; + isc_boolean_t show_progress = ISC_FALSE; + unsigned char c; if (argc == 1) usage(); - RUNTIME_CHECK(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS); - dns_result_register(); isc_commandline_errprint = ISC_FALSE; - while ((ch = isc_commandline_parse(argc, argv, - "a:b:c:d:ef:g:kn:t:p:s:r:v:h")) != -1) - { + /* + * Process memory debugging argument first. + */ +#define CMDLINE_FLAGS "3A:a:b:Cc:D:d:E:eFf:Gg:hI:i:K:km:n:P:p:qR:r:S:s:T:t:v:" + while ((ch = isc_commandline_parse(argc, argv, CMDLINE_FLAGS)) != -1) { + switch (ch) { + case 'm': + if (strcasecmp(isc_commandline_argument, "record") == 0) + isc_mem_debugging |= ISC_MEM_DEBUGRECORD; + if (strcasecmp(isc_commandline_argument, "trace") == 0) + isc_mem_debugging |= ISC_MEM_DEBUGTRACE; + if (strcasecmp(isc_commandline_argument, "usage") == 0) + isc_mem_debugging |= ISC_MEM_DEBUGUSAGE; + if (strcasecmp(isc_commandline_argument, "size") == 0) + isc_mem_debugging |= ISC_MEM_DEBUGSIZE; + if (strcasecmp(isc_commandline_argument, "mctx") == 0) + isc_mem_debugging |= ISC_MEM_DEBUGCTX; + break; + default: + break; + } + } + isc_commandline_reset = ISC_TRUE; + + RUNTIME_CHECK(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS); + + isc_stdtime_get(&now); + + while ((ch = isc_commandline_parse(argc, argv, CMDLINE_FLAGS)) != -1) { switch (ch) { + case '3': + use_nsec3 = ISC_TRUE; + break; case 'a': algname = isc_commandline_argument; break; @@ -167,6 +291,9 @@ main(int argc, char **argv) { if (*endp != '\0' || size < 0) fatal("-b requires a non-negative number"); break; + case 'C': + oldstyle = ISC_TRUE; + break; case 'c': classname = isc_commandline_argument; break; @@ -175,12 +302,18 @@ main(int argc, char **argv) { if (*endp != '\0' || dbits < 0) fatal("-d requires a non-negative number"); break; + case 'E': + engine = isc_commandline_argument; + break; case 'e': rsa_exp = 1; break; case 'f': - if (strcasecmp(isc_commandline_argument, "KSK") == 0) - ksk = DNS_KEYFLAG_KSK; + c = (unsigned char)(isc_commandline_argument[0]); + if (toupper(c) == 'K') + kskflag = DNS_KEYFLAG_KSK; + else if (toupper(c) == 'R') + revflag = DNS_KEYFLAG_REVOKE; else fatal("unknown flag '%s'", isc_commandline_argument); @@ -191,14 +324,22 @@ main(int argc, char **argv) { if (*endp != '\0' || generator <= 0) fatal("-g requires a positive number"); break; + case 'K': + directory = isc_commandline_argument; + ret = try_dir(directory); + if (ret != ISC_R_SUCCESS) + fatal("cannot open directory %s: %s", + directory, isc_result_totext(ret)); + break; case 'k': - options |= DST_TYPE_KEY; + fatal("The -k option has been deprecated.\n" + "To generate a key-signing key, use -f KSK.\n" + "To generate a key with TYPE=KEY, use -T KEY.\n"); break; case 'n': nametype = isc_commandline_argument; break; - case 't': - type = isc_commandline_argument; + case 'm': break; case 'p': protocol = strtol(isc_commandline_argument, &endp, 10); @@ -206,6 +347,12 @@ main(int argc, char **argv) { fatal("-p must be followed by a number " "[0..255]"); break; + case 'q': + quiet = ISC_TRUE; + break; + case 'r': + setup_entropy(mctx, isc_commandline_argument, &ectx); + break; case 's': signatory = strtol(isc_commandline_argument, &endp, 10); @@ -213,8 +360,19 @@ main(int argc, char **argv) { fatal("-s must be followed by a number " "[0..15]"); break; - case 'r': - setup_entropy(mctx, isc_commandline_argument, &ectx); + case 'T': + if (strcasecmp(isc_commandline_argument, "KEY") == 0) + options |= DST_TYPE_KEY; + else if (strcasecmp(isc_commandline_argument, + "DNSKEY") == 0) + /* default behavior */ + ; + else + fatal("unknown type '%s'", + isc_commandline_argument); + break; + case 't': + type = isc_commandline_argument; break; case 'v': endp = NULL; @@ -222,11 +380,86 @@ main(int argc, char **argv) { if (*endp != '\0') fatal("-v must be followed by a number"); break; - + case 'z': + /* already the default */ + break; + case 'G': + genonly = ISC_TRUE; + break; + case 'P': + if (setpub || unsetpub) + fatal("-P specified more than once"); + + if (strcasecmp(isc_commandline_argument, "none")) { + setpub = ISC_TRUE; + publish = strtotime(isc_commandline_argument, + now, now); + } else { + unsetpub = ISC_TRUE; + } + break; + case 'A': + if (setact || unsetact) + fatal("-A specified more than once"); + + if (strcasecmp(isc_commandline_argument, "none")) { + setact = ISC_TRUE; + activate = strtotime(isc_commandline_argument, + now, now); + } else { + unsetact = ISC_TRUE; + } + break; + case 'R': + if (setrev || unsetrev) + fatal("-R specified more than once"); + + if (strcasecmp(isc_commandline_argument, "none")) { + setrev = ISC_TRUE; + revoke = strtotime(isc_commandline_argument, + now, now); + } else { + unsetrev = ISC_TRUE; + } + break; + case 'I': + if (setinact || unsetinact) + fatal("-I specified more than once"); + + if (strcasecmp(isc_commandline_argument, "none")) { + setinact = ISC_TRUE; + inactive = strtotime(isc_commandline_argument, + now, now); + } else { + unsetinact = ISC_TRUE; + } + break; + case 'D': + if (setdel || unsetdel) + fatal("-D specified more than once"); + + if (strcasecmp(isc_commandline_argument, "none")) { + setdel = ISC_TRUE; + delete = strtotime(isc_commandline_argument, + now, now); + } else { + unsetdel = ISC_TRUE; + } + break; + case 'S': + predecessor = isc_commandline_argument; + break; + case 'i': + prepub = strtottl(isc_commandline_argument); + break; + case 'F': + /* Reserved for FIPS mode */ + /* FALLTHROUGH */ case '?': if (isc_commandline_option != '?') fprintf(stderr, "%s: invalid argument -%c\n", program, isc_commandline_option); + /* FALLTHROUGH */ case 'h': usage(); @@ -237,73 +470,219 @@ main(int argc, char **argv) { } } + if (!isatty(0)) + quiet = ISC_TRUE; + if (ectx == NULL) setup_entropy(mctx, NULL, &ectx); - ret = dst_lib_init(mctx, ectx, - ISC_ENTROPY_BLOCKING | ISC_ENTROPY_GOODONLY); + ret = dst_lib_init2(mctx, ectx, engine, + ISC_ENTROPY_BLOCKING | ISC_ENTROPY_GOODONLY); if (ret != ISC_R_SUCCESS) - fatal("could not initialize dst"); + fatal("could not initialize dst: %s", + isc_result_totext(ret)); setup_logging(verbose, mctx, &log); - if (argc < isc_commandline_index + 1) - fatal("the key name was not specified"); - if (argc > isc_commandline_index + 1) - fatal("extraneous arguments"); - - if (algname == NULL) - fatal("no algorithm was specified"); - if (strcasecmp(algname, "RSA") == 0) { - fprintf(stderr, "The use of RSA (RSAMD5) is not recommended.\n" - "If you still wish to use RSA (RSAMD5) please " - "specify \"-a RSAMD5\"\n"); - return (1); - } else if (strcasecmp(algname, "HMAC-MD5") == 0) { - options |= DST_TYPE_KEY; - alg = DST_ALG_HMACMD5; - } else if (strcasecmp(algname, "HMAC-SHA1") == 0) { - options |= DST_TYPE_KEY; - alg = DST_ALG_HMACSHA1; - } else if (strcasecmp(algname, "HMAC-SHA224") == 0) { - options |= DST_TYPE_KEY; - alg = DST_ALG_HMACSHA224; - } else if (strcasecmp(algname, "HMAC-SHA256") == 0) { - options |= DST_TYPE_KEY; - alg = DST_ALG_HMACSHA256; - } else if (strcasecmp(algname, "HMAC-SHA384") == 0) { - options |= DST_TYPE_KEY; - alg = DST_ALG_HMACSHA384; - } else if (strcasecmp(algname, "HMAC-SHA512") == 0) { - options |= DST_TYPE_KEY; - alg = DST_ALG_HMACSHA512; - } else { - r.base = algname; - r.length = strlen(algname); - ret = dns_secalg_fromtext(&alg, &r); + if (predecessor == NULL) { + if (prepub == -1) + prepub = 0; + + if (argc < isc_commandline_index + 1) + fatal("the key name was not specified"); + if (argc > isc_commandline_index + 1) + fatal("extraneous arguments"); + + dns_fixedname_init(&fname); + name = dns_fixedname_name(&fname); + isc_buffer_init(&buf, argv[isc_commandline_index], + strlen(argv[isc_commandline_index])); + isc_buffer_add(&buf, strlen(argv[isc_commandline_index])); + ret = dns_name_fromtext(name, &buf, dns_rootname, 0, NULL); if (ret != ISC_R_SUCCESS) - fatal("unknown algorithm %s", algname); - if (alg == DST_ALG_DH) - options |= DST_TYPE_KEY; - } + fatal("invalid key name %s: %s", + argv[isc_commandline_index], + isc_result_totext(ret)); + + if (algname == NULL) { + use_default = ISC_TRUE; + if (use_nsec3) + algname = strdup(DEFAULT_NSEC3_ALGORITHM); + else + algname = strdup(DEFAULT_ALGORITHM); + if (verbose > 0) + fprintf(stderr, "no algorithm specified; " + "defaulting to %s\n", algname); + } - if (type != NULL && (options & DST_TYPE_KEY) != 0) { - if (strcasecmp(type, "NOAUTH") == 0) - flags |= DNS_KEYTYPE_NOAUTH; - else if (strcasecmp(type, "NOCONF") == 0) - flags |= DNS_KEYTYPE_NOCONF; - else if (strcasecmp(type, "NOAUTHCONF") == 0) { - flags |= (DNS_KEYTYPE_NOAUTH | DNS_KEYTYPE_NOCONF); - if (size < 0) - size = 0; + if (strcasecmp(algname, "RSA") == 0) { + fprintf(stderr, "The use of RSA (RSAMD5) is not " + "recommended.\nIf you still wish to " + "use RSA (RSAMD5) please specify " + "\"-a RSAMD5\"\n"); + return (1); + } else if (strcasecmp(algname, "HMAC-MD5") == 0) + alg = DST_ALG_HMACMD5; + else if (strcasecmp(algname, "HMAC-SHA1") == 0) + alg = DST_ALG_HMACSHA1; + else if (strcasecmp(algname, "HMAC-SHA224") == 0) + alg = DST_ALG_HMACSHA224; + else if (strcasecmp(algname, "HMAC-SHA256") == 0) + alg = DST_ALG_HMACSHA256; + else if (strcasecmp(algname, "HMAC-SHA384") == 0) + alg = DST_ALG_HMACSHA384; + else if (strcasecmp(algname, "HMAC-SHA512") == 0) + alg = DST_ALG_HMACSHA512; + else { + r.base = algname; + r.length = strlen(algname); + ret = dns_secalg_fromtext(&alg, &r); + if (ret != ISC_R_SUCCESS) + fatal("unknown algorithm %s", algname); + if (alg == DST_ALG_DH) + options |= DST_TYPE_KEY; } - else if (strcasecmp(type, "AUTHCONF") == 0) - /* nothing */; - else - fatal("invalid type %s", type); - } - if (size < 0) - fatal("key size not specified (-b option)"); + if (use_nsec3 && + alg != DST_ALG_NSEC3DSA && alg != DST_ALG_NSEC3RSASHA1 && + alg != DST_ALG_RSASHA256 && alg!= DST_ALG_RSASHA512 && + alg != DST_ALG_ECCGOST) { + fatal("%s is incompatible with NSEC3; " + "do not use the -3 option", algname); + } + + if (type != NULL && (options & DST_TYPE_KEY) != 0) { + if (strcasecmp(type, "NOAUTH") == 0) + flags |= DNS_KEYTYPE_NOAUTH; + else if (strcasecmp(type, "NOCONF") == 0) + flags |= DNS_KEYTYPE_NOCONF; + else if (strcasecmp(type, "NOAUTHCONF") == 0) { + flags |= (DNS_KEYTYPE_NOAUTH | + DNS_KEYTYPE_NOCONF); + if (size < 0) + size = 0; + } + else if (strcasecmp(type, "AUTHCONF") == 0) + /* nothing */; + else + fatal("invalid type %s", type); + } + + if (size < 0) { + if (use_default) { + if ((kskflag & DNS_KEYFLAG_KSK) != 0) + size = 2048; + else + size = 1024; + if (verbose > 0) + fprintf(stderr, "key size not " + "specified; defaulting " + "to %d\n", size); + } else if (alg != DST_ALG_ECCGOST) + fatal("key size not specified (-b option)"); + } + + if (!oldstyle && prepub > 0) { + if (setpub && setact && (activate - prepub) < publish) + fatal("Activation and publication dates " + "are closer together than the\n\t" + "prepublication interval."); + + if (!setpub && !setact) { + setpub = setact = ISC_TRUE; + publish = now; + activate = now + prepub; + } else if (setpub && !setact) { + setact = ISC_TRUE; + activate = publish + prepub; + } else if (setact && !setpub) { + setpub = ISC_TRUE; + publish = activate - prepub; + } + + if ((activate - prepub) < now) + fatal("Time until activation is shorter " + "than the\n\tprepublication interval."); + } + } else { + char keystr[DST_KEY_FORMATSIZE]; + isc_stdtime_t when; + int major, minor; + + if (prepub == -1) + prepub = (30 * 86400); + + if (algname != NULL) + fatal("-S and -a cannot be used together"); + if (size >= 0) + fatal("-S and -b cannot be used together"); + if (nametype != NULL) + fatal("-S and -n cannot be used together"); + if (type != NULL) + fatal("-S and -t cannot be used together"); + if (setpub || unsetpub) + fatal("-S and -P cannot be used together"); + if (setact || unsetact) + fatal("-S and -A cannot be used together"); + if (use_nsec3) + fatal("-S and -3 cannot be used together"); + if (oldstyle) + fatal("-S and -C cannot be used together"); + if (genonly) + fatal("-S and -G cannot be used together"); + + ret = dst_key_fromnamedfile(predecessor, directory, + DST_TYPE_PUBLIC | DST_TYPE_PRIVATE, + mctx, &prevkey); + if (ret != ISC_R_SUCCESS) + fatal("Invalid keyfile %s: %s", + filename, isc_result_totext(ret)); + if (!dst_key_isprivate(prevkey)) + fatal("%s is not a private key", filename); + + name = dst_key_name(prevkey); + alg = dst_key_alg(prevkey); + size = dst_key_size(prevkey); + flags = dst_key_flags(prevkey); + + dst_key_format(prevkey, keystr, sizeof(keystr)); + dst_key_getprivateformat(prevkey, &major, &minor); + if (major != DST_MAJOR_VERSION || minor < DST_MINOR_VERSION) + fatal("Key %s has incompatible format version %d.%d\n\t" + "It is not possible to generate a successor key.", + keystr, major, minor); + + ret = dst_key_gettime(prevkey, DST_TIME_ACTIVATE, &when); + if (ret != ISC_R_SUCCESS) + fatal("Key %s has no activation date.\n\t" + "You must use dnssec-settime -A to set one " + "before generating a successor.", keystr); + + ret = dst_key_gettime(prevkey, DST_TIME_INACTIVE, &activate); + if (ret != ISC_R_SUCCESS) + fatal("Key %s has no inactivation date.\n\t" + "You must use dnssec-settime -I to set one " + "before generating a successor.", keystr); + + publish = activate - prepub; + if (publish < now) + fatal("Key %s becomes inactive\n\t" + "sooner than the prepublication period " + "for the new key ends.\n\t" + "Either change the inactivation date with " + "dnssec-settime -I,\n\t" + "or use the -i option to set a shorter " + "prepublication interval.", keystr); + + ret = dst_key_gettime(prevkey, DST_TIME_DELETE, &when); + if (ret != ISC_R_SUCCESS) + fprintf(stderr, "%s: WARNING: Key %s has no removal " + "date;\n\t it will remain in the zone " + "indefinitely after rollover.\n\t " + "You can use dnssec-settime -D to " + "change this.\n", program, keystr); + + setpub = setact = ISC_TRUE; + } switch (alg) { case DNS_KEYALG_RSAMD5: @@ -326,7 +705,10 @@ main(int argc, char **argv) { if (size != 0 && !dsa_size_ok(size)) fatal("invalid DSS key size: %d", size); break; + case DST_ALG_ECCGOST: + break; case DST_ALG_HMACMD5: + options |= DST_TYPE_KEY; if (size < 1 || size > 512) fatal("HMAC-MD5 key size %d out of range", size); if (dbits != 0 && (dbits < 80 || dbits > 128)) @@ -336,6 +718,7 @@ main(int argc, char **argv) { dbits); break; case DST_ALG_HMACSHA1: + options |= DST_TYPE_KEY; if (size < 1 || size > 160) fatal("HMAC-SHA1 key size %d out of range", size); if (dbits != 0 && (dbits < 80 || dbits > 160)) @@ -345,6 +728,7 @@ main(int argc, char **argv) { dbits); break; case DST_ALG_HMACSHA224: + options |= DST_TYPE_KEY; if (size < 1 || size > 224) fatal("HMAC-SHA224 key size %d out of range", size); if (dbits != 0 && (dbits < 112 || dbits > 224)) @@ -354,6 +738,7 @@ main(int argc, char **argv) { dbits); break; case DST_ALG_HMACSHA256: + options |= DST_TYPE_KEY; if (size < 1 || size > 256) fatal("HMAC-SHA256 key size %d out of range", size); if (dbits != 0 && (dbits < 128 || dbits > 256)) @@ -363,6 +748,7 @@ main(int argc, char **argv) { dbits); break; case DST_ALG_HMACSHA384: + options |= DST_TYPE_KEY; if (size < 1 || size > 384) fatal("HMAC-384 key size %d out of range", size); if (dbits != 0 && (dbits < 192 || dbits > 384)) @@ -372,6 +758,7 @@ main(int argc, char **argv) { dbits); break; case DST_ALG_HMACSHA512: + options |= DST_TYPE_KEY; if (size < 1 || size > 512) fatal("HMAC-SHA512 key size %d out of range", size); if (dbits != 0 && (dbits < 256 || dbits > 512)) @@ -384,7 +771,8 @@ main(int argc, char **argv) { if (!(alg == DNS_KEYALG_RSAMD5 || alg == DNS_KEYALG_RSASHA1 || alg == DNS_KEYALG_NSEC3RSASHA1 || alg == DNS_KEYALG_RSASHA256 || - alg == DNS_KEYALG_RSASHA512) && rsa_exp != 0) + alg == DNS_KEYALG_RSASHA512 || alg == DST_ALG_ECCGOST) && + rsa_exp != 0) fatal("specified RSA exponent for a non-RSA key"); if (alg != DNS_KEYALG_DH && generator != 0) @@ -409,10 +797,15 @@ main(int argc, char **argv) { rdclass = strtoclass(classname); + if (directory == NULL) + directory = "."; + if ((options & DST_TYPE_KEY) != 0) /* KEY / HMAC */ flags |= signatory; - else if ((flags & DNS_KEYOWNER_ZONE) != 0) /* DNSKEY */ - flags |= ksk; + else if ((flags & DNS_KEYOWNER_ZONE) != 0) { /* DNSKEY */ + flags |= kskflag; + flags |= revflag; + } if (protocol == -1) protocol = DNS_KEYPROTO_DNSSEC; @@ -435,16 +828,6 @@ main(int argc, char **argv) { fatal("a key with algorithm '%s' cannot be a zone key", algname); - dns_fixedname_init(&fname); - name = dns_fixedname_name(&fname); - isc_buffer_init(&buf, argv[isc_commandline_index], - strlen(argv[isc_commandline_index])); - isc_buffer_add(&buf, strlen(argv[isc_commandline_index])); - ret = dns_name_fromtext(name, &buf, dns_rootname, ISC_FALSE, NULL); - if (ret != ISC_R_SUCCESS) - fatal("invalid key name %s: %s", argv[isc_commandline_index], - isc_result_totext(ret)); - switch(alg) { case DNS_KEYALG_RSAMD5: case DNS_KEYALG_RSASHA1: @@ -452,12 +835,19 @@ main(int argc, char **argv) { case DNS_KEYALG_RSASHA256: case DNS_KEYALG_RSASHA512: param = rsa_exp; + show_progress = ISC_TRUE; break; + case DNS_KEYALG_DH: param = generator; break; + case DNS_KEYALG_DSA: case DNS_KEYALG_NSEC3DSA: + case DST_ALG_ECCGOST: + show_progress = ISC_TRUE; + /* fall through */ + case DST_ALG_HMACMD5: case DST_ALG_HMACSHA1: case DST_ALG_HMACSHA224: @@ -475,62 +865,136 @@ main(int argc, char **argv) { do { conflict = ISC_FALSE; - oldkey = NULL; - /* generate the key */ - ret = dst_key_generate(name, alg, size, param, flags, protocol, - rdclass, mctx, &key); + if (!quiet && show_progress) { + fprintf(stderr, "Generating key pair."); + ret = dst_key_generate2(name, alg, size, param, flags, + protocol, rdclass, mctx, &key, + &progress); + putc('\n', stderr); + fflush(stderr); + } else { + ret = dst_key_generate2(name, alg, size, param, flags, + protocol, rdclass, mctx, &key, + NULL); + } + isc_entropy_stopcallbacksources(ectx); if (ret != ISC_R_SUCCESS) { char namestr[DNS_NAME_FORMATSIZE]; - char algstr[ALG_FORMATSIZE]; + char algstr[DNS_SECALG_FORMATSIZE]; dns_name_format(name, namestr, sizeof(namestr)); - alg_format(alg, algstr, sizeof(algstr)); + dns_secalg_format(alg, algstr, sizeof(algstr)); fatal("failed to generate key %s/%s: %s\n", namestr, algstr, isc_result_totext(ret)); + /* NOTREACHED */ exit(-1); } dst_key_setbits(key, dbits); /* - * Try to read a key with the same name, alg and id from disk. - * If there is one we must continue generating a new one - * unless we were asked to generate a null key, in which - * case we return failure. + * Set key timing metadata (unless using -C) + * + * Creation date is always set to "now". + * + * For a new key without an explicit predecessor, publish + * and activation dates are set to "now" by default, but + * can both be overridden. + * + * For a successor key, activation is set to match the + * predecessor's inactivation date. Publish is set to 30 + * days earlier than that (XXX: this should be configurable). + * If either of the resulting dates are in the past, that's + * an error; the inactivation date of the predecessor key + * must be updated before a successor key can be created. */ - ret = dst_key_fromfile(name, dst_key_id(key), alg, - DST_TYPE_PRIVATE, NULL, mctx, &oldkey); - /* do not overwrite an existing key */ - if (ret == ISC_R_SUCCESS) { - dst_key_free(&oldkey); + if (!oldstyle) { + dst_key_settime(key, DST_TIME_CREATED, now); + + if (genonly && (setpub || setact)) + fatal("cannot use -G together with " + "-P or -A options"); + + if (setpub) + dst_key_settime(key, DST_TIME_PUBLISH, publish); + else if (setact) + dst_key_settime(key, DST_TIME_PUBLISH, + activate); + else if (!genonly && !unsetpub) + dst_key_settime(key, DST_TIME_PUBLISH, now); + + if (setact) + dst_key_settime(key, DST_TIME_ACTIVATE, + activate); + else if (!genonly && !unsetact) + dst_key_settime(key, DST_TIME_ACTIVATE, now); + + if (setrev) { + if (kskflag == 0) + fprintf(stderr, "%s: warning: Key is " + "not flagged as a KSK, but -R " + "was used. Revoking a ZSK is " + "legal, but undefined.\n", + program); + dst_key_settime(key, DST_TIME_REVOKE, revoke); + } + + if (setinact) + dst_key_settime(key, DST_TIME_INACTIVE, + inactive); + + if (setdel) + dst_key_settime(key, DST_TIME_DELETE, delete); + } else { + if (setpub || setact || setrev || setinact || + setdel || unsetpub || unsetact || + unsetrev || unsetinact || unsetdel || genonly) + fatal("cannot use -C together with " + "-P, -A, -R, -I, -D, or -G options"); + /* + * Compatibility mode: Private-key-format + * should be set to 1.2. + */ + dst_key_setprivateformat(key, 1, 2); + } + + /* + * Do not overwrite an existing key, or create a key + * if there is a risk of ID collision due to this key + * or another key being revoked. + */ + if (key_collision(dst_key_id(key), name, directory, + alg, mctx, NULL)) { conflict = ISC_TRUE; - if (null_key) + if (null_key) { + dst_key_free(&key); break; - } - if (conflict == ISC_TRUE) { + } + if (verbose > 0) { isc_buffer_clear(&buf); - ret = dst_key_buildfilename(key, 0, NULL, &buf); + dst_key_buildfilename(key, 0, directory, &buf); fprintf(stderr, - "%s: %s already exists, " - "generating a new key\n", + "%s: %s already exists, or might " + "collide with another key upon " + "revokation. Generating a new key\n", program, filename); } + dst_key_free(&key); } - } while (conflict == ISC_TRUE); if (conflict) - fatal("cannot generate a null key when a key with id 0 " - "already exists"); + fatal("cannot generate a null key due to possible key ID " + "collision"); - ret = dst_key_tofile(key, options, NULL); + ret = dst_key_tofile(key, options, directory); if (ret != ISC_R_SUCCESS) { - char keystr[KEY_FORMATSIZE]; - key_format(key, keystr, sizeof(keystr)); + char keystr[DST_KEY_FORMATSIZE]; + dst_key_format(key, keystr, sizeof(keystr)); fatal("failed to write key %s: %s\n", keystr, isc_result_totext(ret)); } @@ -539,6 +1003,8 @@ main(int argc, char **argv) { ret = dst_key_buildfilename(key, 0, NULL, &buf); printf("%s\n", filename); dst_key_free(&key); + if (prevkey != NULL) + dst_key_free(&prevkey); cleanup_logging(&log); cleanup_entropy(&ectx); diff --git a/bin/dnssec/dnssec-keygen.docbook b/bin/dnssec/dnssec-keygen.docbook index 5c7d164..dc140eb 100644 --- a/bin/dnssec/dnssec-keygen.docbook +++ b/bin/dnssec/dnssec-keygen.docbook @@ -18,7 +18,7 @@ - PERFORMANCE OF THIS SOFTWARE. --> - + June 30, 2000 @@ -57,20 +57,34 @@ dnssec-keygen - -a algorithm - -b keysize - -n nametype + + + + + + + + + + + + + + + + + name @@ -80,7 +94,8 @@ dnssec-keygen generates keys for DNSSEC (Secure DNS), as defined in RFC 2535 and RFC 4034. It can also generate keys for use with - TSIG (Transaction Signatures), as defined in RFC 2845. + TSIG (Transaction Signatures) as defined in RFC 2845, or TKEY + (Transaction Key) as defined in RFC 2930. The of the key is specified on the command @@ -99,19 +114,27 @@ Selects the cryptographic algorithm. For DNSSEC keys, the value of must be one of RSAMD5, RSASHA1, - DSA, NSEC3RSASHA1, NSEC3DSA, RSASHA256 or RSASHA512. - For TSIG/TKEY, the value must + DSA, NSEC3RSASHA1, NSEC3DSA, RSASHA256, RSASHA512 or ECCGOST. + For TSIG/TKEY, the value must be DH (Diffie Hellman), HMAC-MD5, HMAC-SHA1, HMAC-SHA224, HMAC-SHA256, HMAC-SHA384, or HMAC-SHA512. These values are case insensitive. + If no algorithm is specified, then RSASHA1 will be used by + default, unless the option is specified, + in which case NSEC3RSASHA1 will be used instead. (If + is used and an algorithm is specified, + that algorithm will be checked for compatibility with NSEC3.) + + Note 1: that for DNSSEC, RSASHA1 is a mandatory to implement algorithm, and DSA is recommended. For TSIG, HMAC-MD5 is mandatory. - Note 2: HMAC-MD5 and DH automatically set the -k flag. + Note 2: DH, HMAC-MD5, and HMAC-SHA1 through HMAC-SHA512 + automatically set the -T KEY option.     @@ -127,6 +150,15 @@ bits and an exact multiple of 64. HMAC keys must be between 1 and 512 bits. + + The key size does not need to be specified if using a default + algorithm. The default key size is 1024 bits for zone signing + keys (ZSK's) and 2048 bits for key signing keys (KSK's, + generated with ). However, if an + algorithm is explicitly specified with the , + then there is no default key size, and the + must be used. + @@ -146,6 +178,34 @@ + -3 + + + Use an NSEC3-capable algorithm to generate a DNSSEC key. + If this option is used and no algorithm is explicitly + set on the command line, NSEC3RSASHA1 will be used by + default. Note that RSASHA256, RSASHA512 and ECCGOST algorithms + are NSEC3-capable. + + + + + + -C + + + Compatibility mode: generates an old-style key, without + any metadata. By default, dnssec-keygen + will include the key's creation date in the metadata stored + with the private key, and other dates may be set there as well + (publication date, activation date, etc). Keys that include + this data may be incompatible with older versions of BIND; the + option suppresses them. + + + + + -c class @@ -156,6 +216,18 @@ + -E engine + + + Uses a crypto hardware (OpenSSL engine) for random number + and, when supported, key generation. When compiled with PKCS#11 + support it defaults to pkcs11; the empty name resets it to + no engine. + + + + + -e @@ -169,7 +241,17 @@ Set the specified flag in the flag field of the KEY/DNSKEY record. - The only recognized flag is KSK (Key Signing Key) DNSKEY. + The only recognized flags are KSK (Key Signing Key) and REVOKE. + + + + + + -G + + + Generate a key, but do not publish it or sign with it. This + option is incompatible with -P and -A. @@ -197,10 +279,19 @@ + -K directory + + + Sets the directory in which the key files are to be written. + + + + + -k - Generate KEY records rather than DNSKEY records. + Deprecated in favor of -T KEY. @@ -218,6 +309,25 @@ + -q + + + Quiet mode: Suppresses unnecessary output, including + progress indication. Without this option, when + dnssec-keygen is run interactively + to generate an RSA or DSA key pair, it will print a string + of symbols to stderr indicating the + progress of the key generation. A '.' indicates that a + random number has been found which passed an initial + sieve test; '+' means a number has passed a single + round of the Miller-Rabin primality test; a space + means that the number has passed all the tests and is + a satisfactory key. + + + + + -r randomdev @@ -235,6 +345,21 @@ + -S key + + + Create a new key which is an explicit successor to an + existing key. The name, algorithm, size, and type of the + key will be set to match the existing key. The activation + date of the new key will be set to the inactivation date of + the existing one. The publication date will be set to the + activation date minus the prepublication interval, which + defaults to 30 days. + + + + + -s strength @@ -246,6 +371,22 @@ + -T rrtype + + + Specifies the resource record type to use for the key. + must be either DNSKEY or KEY. The + default is DNSKEY when using a DNSSEC algorithm, but it can be + overridden to KEY for use with SIG(0). + + + Using any TSIG algorithm (HMAC-* or DH) forces this option + to KEY. + + + + + -t type @@ -270,6 +411,109 @@ + TIMING OPTIONS + + + Dates can be expressed in the format YYYYMMDD or YYYYMMDDHHMMSS. + If the argument begins with a '+' or '-', it is interpreted as + an offset from the present time. For convenience, if such an offset + is followed by one of the suffixes 'y', 'mo', 'w', 'd', 'h', or 'mi', + then the offset is computed in years (defined as 365 24-hour days, + ignoring leap years), months (defined as 30 24-hour days), weeks, + days, hours, or minutes, respectively. Without a suffix, the offset + is computed in seconds. + + + + + -P date/offset + + + Sets the date on which a key is to be published to the zone. + After that date, the key will be included in the zone but will + not be used to sign it. If not set, and if the -G option has + not been used, the default is "now". + + + + + + -A date/offset + + + Sets the date on which the key is to be activated. After that + date, the key will be included in the zone and used to sign + it. If not set, and if the -G option has not been used, the + default is "now". + + + + + + -R date/offset + + + Sets the date on which the key is to be revoked. After that + date, the key will be flagged as revoked. It will be included + in the zone and will be used to sign it. + + + + + + -I date/offset + + + Sets the date on which the key is to be retired. After that + date, the key will still be included in the zone, but it + will not be used to sign it. + + + + + + -D date/offset + + + Sets the date on which the key is to be deleted. After that + date, the key will no longer be included in the zone. (It + may remain in the key repository, however.) + + + + + + -i interval + + + Sets the prepublication interval for a key. If set, then + the publication and activation dates must be separated by at least + this much time. If the activation date is specified but the + publication date isn't, then the publication date will default + to this much time before the activation date; conversely, if + the publication date is specified but activation date isn't, + then activation will be set to this much time after publication. + + + If the key is being created as an explicit successor to another + key, then the default prepublication interval is 30 days; + otherwise it is zero. + + + As with date offsets, if the argument is followed by one of + the suffixes 'y', 'mo', 'w', 'd', 'h', or 'mi', then the + interval is measured in years, months, weeks, days, hours, + or minutes, respectively. Without a suffix, the interval is + measured in seconds. + + + + + + + + + GENERATED KEYS When dnssec-keygen completes diff --git a/bin/dnssec/dnssec-keygen.html b/bin/dnssec/dnssec-keygen.html index 7ca7d57..2f3a69b 100644 --- a/bin/dnssec/dnssec-keygen.html +++ b/bin/dnssec/dnssec-keygen.html @@ -14,7 +14,7 @@ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> - + @@ -29,14 +29,15 @@

    Synopsis

    -

    dnssec-keygen {-a algorithm} {-b keysize} {-n nametype} [-c class] [-e] [-f flag] [-g generator] [-h] [-k] [-p protocol] [-r randomdev] [-s strength] [-t type] [-v level] {name}

    +

    dnssec-keygen [-a algorithm] [-b keysize] [-n nametype] [-3] [-A date/offset] [-C] [-c class] [-D date/offset] [-E engine] [-e] [-f flag] [-G] [-g generator] [-h] [-I date/offset] [-i interval] [-K directory] [-k] [-P date/offset] [-p protocol] [-q] [-R date/offset] [-r randomdev] [-S key] [-s strength] [-t type] [-v level] [-z] {name}

    -

    DESCRIPTION

    +

    DESCRIPTION

    dnssec-keygen generates keys for DNSSEC (Secure DNS), as defined in RFC 2535 and RFC 4034. It can also generate keys for use with - TSIG (Transaction Signatures), as defined in RFC 2845. + TSIG (Transaction Signatures) as defined in RFC 2845, or TKEY + (Transaction Key) as defined in RFC 2930.

    The name of the key is specified on the command @@ -45,37 +46,56 @@

    -

    OPTIONS

    +

    OPTIONS

    -a algorithm

    Selects the cryptographic algorithm. For DNSSEC keys, the value of algorithm must be one of RSAMD5, RSASHA1, - DSA, NSEC3RSASHA1, NSEC3DSA, RSASHA256 or RSASHA512. - For TSIG/TKEY, the value must + DSA, NSEC3RSASHA1, NSEC3DSA, RSASHA256, RSASHA512 or ECCGOST. + For TSIG/TKEY, the value must be DH (Diffie Hellman), HMAC-MD5, HMAC-SHA1, HMAC-SHA224, HMAC-SHA256, HMAC-SHA384, or HMAC-SHA512. These values are case insensitive.

    + If no algorithm is specified, then RSASHA1 will be used by + default, unless the -3 option is specified, + in which case NSEC3RSASHA1 will be used instead. (If + -3 is used and an algorithm is specified, + that algorithm will be checked for compatibility with NSEC3.) +

    +

    Note 1: that for DNSSEC, RSASHA1 is a mandatory to implement algorithm, and DSA is recommended. For TSIG, HMAC-MD5 is mandatory.

    - Note 2: HMAC-MD5 and DH automatically set the -k flag. + Note 2: DH, HMAC-MD5, and HMAC-SHA1 through HMAC-SHA512 + automatically set the -T KEY option.

    -b keysize
    -

    +

    +

    Specifies the number of bits in the key. The choice of key size depends on the algorithm used. RSA keys must be between 512 and 2048 bits. Diffie Hellman keys must be between 128 and 4096 bits. DSA keys must be between 512 and 1024 bits and an exact multiple of 64. HMAC keys must be between 1 and 512 bits. -

    +

    +

    + The key size does not need to be specified if using a default + algorithm. The default key size is 1024 bits for zone signing + keys (ZSK's) and 2048 bits for key signing keys (KSK's, + generated with -f KSK). However, if an + algorithm is explicitly specified with the -a, + then there is no default key size, and the -b + must be used. +

    +
    -n nametype

    Specifies the owner type of the key. The value of @@ -86,11 +106,36 @@ These values are case insensitive. Defaults to ZONE for DNSKEY generation.

    +
    -3
    +

    + Use an NSEC3-capable algorithm to generate a DNSSEC key. + If this option is used and no algorithm is explicitly + set on the command line, NSEC3RSASHA1 will be used by + default. Note that RSASHA256, RSASHA512 and ECCGOST algorithms + are NSEC3-capable. +

    +
    -C
    +

    + Compatibility mode: generates an old-style key, without + any metadata. By default, dnssec-keygen + will include the key's creation date in the metadata stored + with the private key, and other dates may be set there as well + (publication date, activation date, etc). Keys that include + this data may be incompatible with older versions of BIND; the + -C option suppresses them. +

    -c class

    Indicates that the DNS record containing the key should have the specified class. If not specified, class IN is used.

    +
    -E engine
    +

    + Uses a crypto hardware (OpenSSL engine) for random number + and, when supported, key generation. When compiled with PKCS#11 + support it defaults to pkcs11; the empty name resets it to + no engine. +

    -e

    If generating an RSAMD5/RSASHA1 key, use a large exponent. @@ -98,7 +143,12 @@

    -f flag

    Set the specified flag in the flag field of the KEY/DNSKEY record. - The only recognized flag is KSK (Key Signing Key) DNSKEY. + The only recognized flags are KSK (Key Signing Key) and REVOKE. +

    +
    -G
    +

    + Generate a key, but do not publish it or sign with it. This + option is incompatible with -P and -A.

    -g generator

    @@ -112,9 +162,13 @@ Prints a short summary of the options and arguments to dnssec-keygen.

    +
    -K directory
    +

    + Sets the directory in which the key files are to be written. +

    -k

    - Generate KEY records rather than DNSKEY records. + Deprecated in favor of -T KEY.

    -p protocol

    @@ -123,6 +177,20 @@ Other possible values for this argument are listed in RFC 2535 and its successors.

    +
    -q
    +

    + Quiet mode: Suppresses unnecessary output, including + progress indication. Without this option, when + dnssec-keygen is run interactively + to generate an RSA or DSA key pair, it will print a string + of symbols to stderr indicating the + progress of the key generation. A '.' indicates that a + random number has been found which passed an initial + sieve test; '+' means a number has passed a single + round of the Miller-Rabin primality test; a space + means that the number has passed all the tests and is + a satisfactory key. +

    -r randomdev

    Specifies the source of randomness. If the operating @@ -135,12 +203,37 @@ keyboard indicates that keyboard input should be used.

    +
    -S key
    +

    + Create a new key which is an explicit successor to an + existing key. The name, algorithm, size, and type of the + key will be set to match the existing key. The activation + date of the new key will be set to the inactivation date of + the existing one. The publication date will be set to the + activation date minus the prepublication interval, which + defaults to 30 days. +

    -s strength

    Specifies the strength value of the key. The strength is a number between 0 and 15, and currently has no defined purpose in DNSSEC.

    +
    -T rrtype
    +
    +

    + Specifies the resource record type to use for the key. + rrtype must be either DNSKEY or KEY. The + default is DNSKEY when using a DNSSEC algorithm, but it can be + overridden to KEY for use with SIG(0). +

    +

    +

    +

    + Using any TSIG algorithm (HMAC-* or DH) forces this option + to KEY. +

    +
    -t type

    Indicates the use of the key. type must be @@ -155,7 +248,78 @@

    -

    GENERATED KEYS

    +

    TIMING OPTIONS

    +

    + Dates can be expressed in the format YYYYMMDD or YYYYMMDDHHMMSS. + If the argument begins with a '+' or '-', it is interpreted as + an offset from the present time. For convenience, if such an offset + is followed by one of the suffixes 'y', 'mo', 'w', 'd', 'h', or 'mi', + then the offset is computed in years (defined as 365 24-hour days, + ignoring leap years), months (defined as 30 24-hour days), weeks, + days, hours, or minutes, respectively. Without a suffix, the offset + is computed in seconds. +

    +
    +
    -P date/offset
    +

    + Sets the date on which a key is to be published to the zone. + After that date, the key will be included in the zone but will + not be used to sign it. If not set, and if the -G option has + not been used, the default is "now". +

    +
    -A date/offset
    +

    + Sets the date on which the key is to be activated. After that + date, the key will be included in the zone and used to sign + it. If not set, and if the -G option has not been used, the + default is "now". +

    +
    -R date/offset
    +

    + Sets the date on which the key is to be revoked. After that + date, the key will be flagged as revoked. It will be included + in the zone and will be used to sign it. +

    +
    -I date/offset
    +

    + Sets the date on which the key is to be retired. After that + date, the key will still be included in the zone, but it + will not be used to sign it. +

    +
    -D date/offset
    +

    + Sets the date on which the key is to be deleted. After that + date, the key will no longer be included in the zone. (It + may remain in the key repository, however.) +

    +
    -i interval
    +
    +

    + Sets the prepublication interval for a key. If set, then + the publication and activation dates must be separated by at least + this much time. If the activation date is specified but the + publication date isn't, then the publication date will default + to this much time before the activation date; conversely, if + the publication date is specified but activation date isn't, + then activation will be set to this much time after publication. +

    +

    + If the key is being created as an explicit successor to another + key, then the default prepublication interval is 30 days; + otherwise it is zero. +

    +

    + As with date offsets, if the argument is followed by one of + the suffixes 'y', 'mo', 'w', 'd', 'h', or 'mi', then the + interval is measured in years, months, weeks, days, hours, + or minutes, respectively. Without a suffix, the interval is + measured in seconds. +

    +
    +
    +
    +
    +

    GENERATED KEYS

    When dnssec-keygen completes successfully, @@ -201,7 +365,7 @@

    -

    EXAMPLE

    +

    EXAMPLE

    To generate a 768-bit DSA key for the domain example.com, the following command would be @@ -222,7 +386,7 @@

    -

    SEE ALSO

    +

    SEE ALSO

    dnssec-signzone(8), BIND 9 Administrator Reference Manual, RFC 2539, @@ -231,7 +395,7 @@

    -

    AUTHOR

    +

    AUTHOR

    Internet Systems Consortium

    diff --git a/bin/dnssec/dnssec-revoke.8 b/bin/dnssec/dnssec-revoke.8 new file mode 100644 index 0000000..d57b6aa --- /dev/null +++ b/bin/dnssec/dnssec-revoke.8 @@ -0,0 +1,83 @@ +.\" Copyright (C) 2009 Internet Systems Consortium, Inc. ("ISC") +.\" +.\" Permission to use, copy, modify, and/or distribute this software for any +.\" purpose with or without fee is hereby granted, provided that the above +.\" copyright notice and this permission notice appear in all copies. +.\" +.\" THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH +.\" REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY +.\" AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, +.\" INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +.\" LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE +.\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +.\" PERFORMANCE OF THIS SOFTWARE. +.\" +.\" $Id: dnssec-revoke.8,v 1.9 2010-05-19 01:14:14 tbox Exp $ +.\" +.hy 0 +.ad l +.\" Title: dnssec\-revoke +.\" Author: +.\" Generator: DocBook XSL Stylesheets v1.71.1 +.\" Date: June 1, 2009 +.\" Manual: BIND9 +.\" Source: BIND9 +.\" +.TH "DNSSEC\-REVOKE" "8" "June 1, 2009" "BIND9" "BIND9" +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.SH "NAME" +dnssec\-revoke \- Set the REVOKED bit on a DNSSEC key +.SH "SYNOPSIS" +.HP 14 +\fBdnssec\-revoke\fR [\fB\-hr\fR] [\fB\-v\ \fR\fB\fIlevel\fR\fR] [\fB\-K\ \fR\fB\fIdirectory\fR\fR] [\fB\-E\ \fR\fB\fIengine\fR\fR] [\fB\-f\fR] {keyfile} +.SH "DESCRIPTION" +.PP +\fBdnssec\-revoke\fR +reads a DNSSEC key file, sets the REVOKED bit on the key as defined in RFC 5011, and creates a new pair of key files containing the now\-revoked key. +.SH "OPTIONS" +.PP +\-h +.RS 4 +Emit usage message and exit. +.RE +.PP +\-K \fIdirectory\fR +.RS 4 +Sets the directory in which the key files are to reside. +.RE +.PP +\-r +.RS 4 +After writing the new keyset files remove the original keyset files. +.RE +.PP +\-v \fIlevel\fR +.RS 4 +Sets the debugging level. +.RE +.PP +\-E \fIengine\fR +.RS 4 +Use the given OpenSSL engine. When compiled with PKCS#11 support it defaults to pkcs11; the empty name resets it to no engine. +.RE +.PP +\-f +.RS 4 +Force overwrite: Causes +\fBdnssec\-revoke\fR +to write the new key pair even if a file already exists matching the algorithm and key ID of the revoked key. +.RE +.SH "SEE ALSO" +.PP +\fBdnssec\-keygen\fR(8), +BIND 9 Administrator Reference Manual, +RFC 5011. +.SH "AUTHOR" +.PP +Internet Systems Consortium +.SH "COPYRIGHT" +Copyright \(co 2009 Internet Systems Consortium, Inc. ("ISC") +.br diff --git a/bin/dnssec/dnssec-revoke.c b/bin/dnssec/dnssec-revoke.c new file mode 100644 index 0000000..90e905c --- /dev/null +++ b/bin/dnssec/dnssec-revoke.c @@ -0,0 +1,269 @@ +/* + * Copyright (C) 2009, 2010 Internet Systems Consortium, Inc. ("ISC") + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE + * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* $Id: dnssec-revoke.c,v 1.22 2010-05-06 23:50:56 tbox Exp $ */ + +/*! \file */ + +#include + +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include + +#include "dnssectool.h" + +const char *program = "dnssec-revoke"; +int verbose; + +static isc_mem_t *mctx = NULL; + +ISC_PLATFORM_NORETURN_PRE static void +usage(void) ISC_PLATFORM_NORETURN_POST; + +static void +usage(void) { + fprintf(stderr, "Usage:\n"); + fprintf(stderr, " %s [options] keyfile\n\n", program); + fprintf(stderr, "Version: %s\n", VERSION); +#ifdef USE_PKCS11 + fprintf(stderr, " -E engine: specify OpenSSL engine " + "(default \"pkcs11\")\n"); +#else + fprintf(stderr, " -E engine: specify OpenSSL engine\n"); +#endif + fprintf(stderr, " -f: force overwrite\n"); + fprintf(stderr, " -K directory: use directory for key files\n"); + fprintf(stderr, " -h: help\n"); + fprintf(stderr, " -r: remove old keyfiles after " + "creating revoked version\n"); + fprintf(stderr, " -v level: set level of verbosity\n"); + fprintf(stderr, "Output:\n"); + fprintf(stderr, " K++.key, " + "K++.private\n"); + + exit (-1); +} + +int +main(int argc, char **argv) { + isc_result_t result; +#ifdef USE_PKCS11 + const char *engine = "pkcs11"; +#else + const char *engine = NULL; +#endif + char *filename = NULL, *dir = NULL; + char newname[1024], oldname[1024]; + char keystr[DST_KEY_FORMATSIZE]; + char *endp; + int ch; + isc_entropy_t *ectx = NULL; + dst_key_t *key = NULL; + isc_uint32_t flags; + isc_buffer_t buf; + isc_boolean_t force = ISC_FALSE; + isc_boolean_t remove = ISC_FALSE; + + if (argc == 1) + usage(); + + result = isc_mem_create(0, 0, &mctx); + if (result != ISC_R_SUCCESS) + fatal("Out of memory"); + + dns_result_register(); + + isc_commandline_errprint = ISC_FALSE; + + while ((ch = isc_commandline_parse(argc, argv, "E:fK:rhv:")) != -1) { + switch (ch) { + case 'E': + engine = isc_commandline_argument; + break; + case 'f': + force = ISC_TRUE; + break; + case 'K': + /* + * We don't have to copy it here, but do it to + * simplify cleanup later + */ + dir = isc_mem_strdup(mctx, isc_commandline_argument); + if (dir == NULL) { + fatal("Failed to allocate memory for " + "directory"); + } + break; + case 'r': + remove = ISC_TRUE; + break; + case 'v': + verbose = strtol(isc_commandline_argument, &endp, 0); + if (*endp != '\0') + fatal("-v must be followed by a number"); + break; + case '?': + if (isc_commandline_option != '?') + fprintf(stderr, "%s: invalid argument -%c\n", + program, isc_commandline_option); + /* Falls into */ + case 'h': + usage(); + + default: + fprintf(stderr, "%s: unhandled option -%c\n", + program, isc_commandline_option); + exit(1); + } + } + + if (argc < isc_commandline_index + 1 || + argv[isc_commandline_index] == NULL) + fatal("The key file name was not specified"); + if (argc > isc_commandline_index + 1) + fatal("Extraneous arguments"); + + if (dir != NULL) { + filename = argv[isc_commandline_index]; + } else { + result = isc_file_splitpath(mctx, argv[isc_commandline_index], + &dir, &filename); + if (result != ISC_R_SUCCESS) + fatal("cannot process filename %s: %s", + argv[isc_commandline_index], + isc_result_totext(result)); + if (strcmp(dir, ".") == 0) { + isc_mem_free(mctx, dir); + dir = NULL; + } + } + + if (ectx == NULL) + setup_entropy(mctx, NULL, &ectx); + result = isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE); + if (result != ISC_R_SUCCESS) + fatal("Could not initialize hash"); + result = dst_lib_init2(mctx, ectx, engine, + ISC_ENTROPY_BLOCKING | ISC_ENTROPY_GOODONLY); + if (result != ISC_R_SUCCESS) + fatal("Could not initialize dst: %s", + isc_result_totext(result)); + isc_entropy_stopcallbacksources(ectx); + + result = dst_key_fromnamedfile(filename, dir, + DST_TYPE_PUBLIC|DST_TYPE_PRIVATE, + mctx, &key); + if (result != ISC_R_SUCCESS) + fatal("Invalid keyfile name %s: %s", + filename, isc_result_totext(result)); + + dst_key_format(key, keystr, sizeof(keystr)); + + if (verbose > 2) + fprintf(stderr, "%s: %s\n", program, keystr); + + if (force) + set_keyversion(key); + else + check_keyversion(key, keystr); + + + flags = dst_key_flags(key); + if ((flags & DNS_KEYFLAG_REVOKE) == 0) { + isc_stdtime_t now; + + if ((flags & DNS_KEYFLAG_KSK) == 0) + fprintf(stderr, "%s: warning: Key is not flagged " + "as a KSK. Revoking a ZSK is " + "legal, but undefined.\n", + program); + + isc_stdtime_get(&now); + dst_key_settime(key, DST_TIME_REVOKE, now); + + dst_key_setflags(key, flags | DNS_KEYFLAG_REVOKE); + + isc_buffer_init(&buf, newname, sizeof(newname)); + dst_key_buildfilename(key, DST_TYPE_PUBLIC, dir, &buf); + + if (access(newname, F_OK) == 0 && !force) { + fatal("Key file %s already exists; " + "use -f to force overwrite", newname); + } + + result = dst_key_tofile(key, DST_TYPE_PUBLIC|DST_TYPE_PRIVATE, + dir); + if (result != ISC_R_SUCCESS) { + dst_key_format(key, keystr, sizeof(keystr)); + fatal("Failed to write key %s: %s", keystr, + isc_result_totext(result)); + } + + isc_buffer_clear(&buf); + dst_key_buildfilename(key, 0, dir, &buf); + printf("%s\n", newname); + + /* + * Remove old key file, if told to (and if + * it isn't the same as the new file) + */ + if (remove && dst_key_alg(key) != DST_ALG_RSAMD5) { + isc_buffer_init(&buf, oldname, sizeof(oldname)); + dst_key_setflags(key, flags & ~DNS_KEYFLAG_REVOKE); + dst_key_buildfilename(key, DST_TYPE_PRIVATE, dir, &buf); + if (strcmp(oldname, newname) == 0) + goto cleanup; + if (access(oldname, F_OK) == 0) + unlink(oldname); + isc_buffer_clear(&buf); + dst_key_buildfilename(key, DST_TYPE_PUBLIC, dir, &buf); + if (access(oldname, F_OK) == 0) + unlink(oldname); + } + } else { + dst_key_format(key, keystr, sizeof(keystr)); + fatal("Key %s is already revoked", keystr); + } + +cleanup: + dst_key_free(&key); + dst_lib_destroy(); + isc_hash_destroy(); + cleanup_entropy(&ectx); + if (verbose > 10) + isc_mem_stats(mctx, stdout); + if (dir != NULL) + isc_mem_free(mctx, dir); + isc_mem_destroy(&mctx); + + return (0); +} diff --git a/bin/dnssec/dnssec-revoke.docbook b/bin/dnssec/dnssec-revoke.docbook new file mode 100644 index 0000000..b7b5620 --- /dev/null +++ b/bin/dnssec/dnssec-revoke.docbook @@ -0,0 +1,149 @@ +]> + + + + + + June 1, 2009 + + + + dnssec-revoke + 8 + BIND9 + + + + dnssec-revoke + Set the REVOKED bit on a DNSSEC key + + + + + 2009 + Internet Systems Consortium, Inc. ("ISC") + + + + + + dnssec-revoke + + + + + + keyfile + + + + + DESCRIPTION + dnssec-revoke + reads a DNSSEC key file, sets the REVOKED bit on the key as defined + in RFC 5011, and creates a new pair of key files containing the + now-revoked key. + + + + + OPTIONS + + + + -h + + + Emit usage message and exit. + + + + + + -K directory + + + Sets the directory in which the key files are to reside. + + + + + + -r + + + After writing the new keyset files remove the original keyset + files. + + + + + + -v level + + + Sets the debugging level. + + + + + + -E engine + + + Use the given OpenSSL engine. When compiled with PKCS#11 support + it defaults to pkcs11; the empty name resets it to no engine. + + + + + + -f + + + Force overwrite: Causes dnssec-revoke to + write the new key pair even if a file already exists matching + the algorithm and key ID of the revoked key. + + + + + + + + SEE ALSO + + dnssec-keygen8 + , + BIND 9 Administrator Reference Manual, + RFC 5011. + + + + + AUTHOR + Internet Systems Consortium + + + + diff --git a/bin/dnssec/dnssec-revoke.html b/bin/dnssec/dnssec-revoke.html new file mode 100644 index 0000000..fad9ac5 --- /dev/null +++ b/bin/dnssec/dnssec-revoke.html @@ -0,0 +1,87 @@ + + + + + +dnssec-revoke + + +
    +
    +
    +

    Name

    +

    dnssec-revoke — Set the REVOKED bit on a DNSSEC key

    +
    +
    +

    Synopsis

    +

    dnssec-revoke [-hr] [-v level] [-K directory] [-E engine] [-f] {keyfile}

    +
    +
    +

    DESCRIPTION

    +

    dnssec-revoke + reads a DNSSEC key file, sets the REVOKED bit on the key as defined + in RFC 5011, and creates a new pair of key files containing the + now-revoked key. +

    +
    +
    +

    OPTIONS

    +
    +
    -h
    +

    + Emit usage message and exit. +

    +
    -K directory
    +

    + Sets the directory in which the key files are to reside. +

    +
    -r
    +

    + After writing the new keyset files remove the original keyset + files. +

    +
    -v level
    +

    + Sets the debugging level. +

    +
    -E engine
    +

    + Use the given OpenSSL engine. When compiled with PKCS#11 support + it defaults to pkcs11; the empty name resets it to no engine. +

    +
    -f
    +

    + Force overwrite: Causes dnssec-revoke to + write the new key pair even if a file already exists matching + the algorithm and key ID of the revoked key. +

    +
    +
    +
    +

    SEE ALSO

    +

    dnssec-keygen(8), + BIND 9 Administrator Reference Manual, + RFC 5011. +

    +
    +
    +

    AUTHOR

    +

    Internet Systems Consortium +

    +
    +
    + diff --git a/bin/dnssec/dnssec-settime.8 b/bin/dnssec/dnssec-settime.8 new file mode 100644 index 0000000..4390494 --- /dev/null +++ b/bin/dnssec/dnssec-settime.8 @@ -0,0 +1,166 @@ +.\" Copyright (C) 2009, 2010 Internet Systems Consortium, Inc. ("ISC") +.\" +.\" Permission to use, copy, modify, and/or distribute this software for any +.\" purpose with or without fee is hereby granted, provided that the above +.\" copyright notice and this permission notice appear in all copies. +.\" +.\" THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH +.\" REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY +.\" AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, +.\" INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +.\" LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE +.\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +.\" PERFORMANCE OF THIS SOFTWARE. +.\" +.\" $Id: dnssec-settime.8,v 1.14 2010-08-17 01:15:26 tbox Exp $ +.\" +.hy 0 +.ad l +.\" Title: dnssec\-settime +.\" Author: +.\" Generator: DocBook XSL Stylesheets v1.71.1 +.\" Date: July 15, 2009 +.\" Manual: BIND9 +.\" Source: BIND9 +.\" +.TH "DNSSEC\-SETTIME" "8" "July 15, 2009" "BIND9" "BIND9" +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.SH "NAME" +dnssec\-settime \- Set the key timing metadata for a DNSSEC key +.SH "SYNOPSIS" +.HP 15 +\fBdnssec\-settime\fR [\fB\-f\fR] [\fB\-K\ \fR\fB\fIdirectory\fR\fR] [\fB\-P\ \fR\fB\fIdate/offset\fR\fR] [\fB\-A\ \fR\fB\fIdate/offset\fR\fR] [\fB\-R\ \fR\fB\fIdate/offset\fR\fR] [\fB\-I\ \fR\fB\fIdate/offset\fR\fR] [\fB\-D\ \fR\fB\fIdate/offset\fR\fR] [\fB\-h\fR] [\fB\-v\ \fR\fB\fIlevel\fR\fR] [\fB\-E\ \fR\fB\fIengine\fR\fR] {keyfile} +.SH "DESCRIPTION" +.PP +\fBdnssec\-settime\fR +reads a DNSSEC private key file and sets the key timing metadata as specified by the +\fB\-P\fR, +\fB\-A\fR, +\fB\-R\fR, +\fB\-I\fR, and +\fB\-D\fR +options. The metadata can then be used by +\fBdnssec\-signzone\fR +or other signing software to determine when a key is to be published, whether it should be used for signing a zone, etc. +.PP +If none of these options is set on the command line, then +\fBdnssec\-settime\fR +simply prints the key timing metadata already stored in the key. +.PP +When key metadata fields are changed, both files of a key pair (\fIKnnnn.+aaa+iiiii.key\fR +and +\fIKnnnn.+aaa+iiiii.private\fR) are regenerated. Metadata fields are stored in the private file. A human\-readable description of the metadata is also placed in comments in the key file. +.SH "OPTIONS" +.PP +\-f +.RS 4 +Force an update of an old\-format key with no metadata fields. Without this option, +\fBdnssec\-settime\fR +will fail when attempting to update a legacy key. With this option, the key will be recreated in the new format, but with the original key data retained. The key's creation date will be set to the present time. +.RE +.PP +\-K \fIdirectory\fR +.RS 4 +Sets the directory in which the key files are to reside. +.RE +.PP +\-h +.RS 4 +Emit usage message and exit. +.RE +.PP +\-v \fIlevel\fR +.RS 4 +Sets the debugging level. +.RE +.PP +\-E \fIengine\fR +.RS 4 +Use the given OpenSSL engine. When compiled with PKCS#11 support it defaults to pkcs11; the empty name resets it to no engine. +.RE +.SH "TIMING OPTIONS" +.PP +Dates can be expressed in the format YYYYMMDD or YYYYMMDDHHMMSS. If the argument begins with a '+' or '\-', it is interpreted as an offset from the present time. For convenience, if such an offset is followed by one of the suffixes 'y', 'mo', 'w', 'd', 'h', or 'mi', then the offset is computed in years (defined as 365 24\-hour days, ignoring leap years), months (defined as 30 24\-hour days), weeks, days, hours, or minutes, respectively. Without a suffix, the offset is computed in seconds. To unset a date, use 'none'. +.PP +\-P \fIdate/offset\fR +.RS 4 +Sets the date on which a key is to be published to the zone. After that date, the key will be included in the zone but will not be used to sign it. +.RE +.PP +\-A \fIdate/offset\fR +.RS 4 +Sets the date on which the key is to be activated. After that date, the key will be included in the zone and used to sign it. +.RE +.PP +\-R \fIdate/offset\fR +.RS 4 +Sets the date on which the key is to be revoked. After that date, the key will be flagged as revoked. It will be included in the zone and will be used to sign it. +.RE +.PP +\-I \fIdate/offset\fR +.RS 4 +Sets the date on which the key is to be retired. After that date, the key will still be included in the zone, but it will not be used to sign it. +.RE +.PP +\-D \fIdate/offset\fR +.RS 4 +Sets the date on which the key is to be deleted. After that date, the key will no longer be included in the zone. (It may remain in the key repository, however.) +.RE +.PP +\-S \fIpredecessor key\fR +.RS 4 +Select a key for which the key being modified will be an explicit successor. The name, algorithm, size, and type of the predecessor key must exactly match those of the key being modified. The activation date of the successor key will be set to the inactivation date of the predecessor. The publication date will be set to the activation date minus the prepublication interval, which defaults to 30 days. +.RE +.PP +\-i \fIinterval\fR +.RS 4 +Sets the prepublication interval for a key. If set, then the publication and activation dates must be separated by at least this much time. If the activation date is specified but the publication date isn't, then the publication date will default to this much time before the activation date; conversely, if the publication date is specified but activation date isn't, then activation will be set to this much time after publication. +.sp +If the key is being set to be an explicit successor to another key, then the default prepublication interval is 30 days; otherwise it is zero. +.sp +As with date offsets, if the argument is followed by one of the suffixes 'y', 'mo', 'w', 'd', 'h', or 'mi', then the interval is measured in years, months, weeks, days, hours, or minutes, respectively. Without a suffix, the interval is measured in seconds. +.RE +.SH "PRINTING OPTIONS" +.PP +\fBdnssec\-settime\fR +can also be used to print the timing metadata associated with a key. +.PP +\-u +.RS 4 +Print times in UNIX epoch format. +.RE +.PP +\-p \fIC/P/A/R/I/D/all\fR +.RS 4 +Print a specific metadata value or set of metadata values. The +\fB\-p\fR +option may be followed by one or more of the following letters to indicate which value or values to print: +\fBC\fR +for the creation date, +\fBP\fR +for the publication date, +\fBA\fR +for the activation date, +\fBR\fR +for the revocation date, +\fBI\fR +for the inactivation date, or +\fBD\fR +for the deletion date. To print all of the metadata, use +\fB\-p all\fR. +.RE +.SH "SEE ALSO" +.PP +\fBdnssec\-keygen\fR(8), +\fBdnssec\-signzone\fR(8), +BIND 9 Administrator Reference Manual, +RFC 5011. +.SH "AUTHOR" +.PP +Internet Systems Consortium +.SH "COPYRIGHT" +Copyright \(co 2009, 2010 Internet Systems Consortium, Inc. ("ISC") +.br diff --git a/bin/dnssec/dnssec-settime.c b/bin/dnssec/dnssec-settime.c new file mode 100644 index 0000000..364e2ab --- /dev/null +++ b/bin/dnssec/dnssec-settime.c @@ -0,0 +1,576 @@ +/* + * Copyright (C) 2009, 2010 Internet Systems Consortium, Inc. ("ISC") + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE + * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* $Id: dnssec-settime.c,v 1.28 2010-12-19 07:29:36 each Exp $ */ + +/*! \file */ + +#include + +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include + +#include "dnssectool.h" + +const char *program = "dnssec-settime"; +int verbose; + +static isc_mem_t *mctx = NULL; + +ISC_PLATFORM_NORETURN_PRE static void +usage(void) ISC_PLATFORM_NORETURN_POST; + +static void +usage(void) { + fprintf(stderr, "Usage:\n"); + fprintf(stderr, " %s [options] keyfile\n\n", program); + fprintf(stderr, "Version: %s\n", VERSION); + fprintf(stderr, "General options:\n"); +#ifdef USE_PKCS11 + fprintf(stderr, " -E engine: specify OpenSSL engine " + "(default \"pkcs11\")\n"); +#else + fprintf(stderr, " -E engine: specify OpenSSL engine\n"); +#endif + fprintf(stderr, " -f: force update of old-style " + "keys\n"); + fprintf(stderr, " -K directory: set key file location\n"); + fprintf(stderr, " -v level: set level of verbosity\n"); + fprintf(stderr, " -h: help\n"); + fprintf(stderr, "Timing options:\n"); + fprintf(stderr, " -P date/[+-]offset/none: set/unset key " + "publication date\n"); + fprintf(stderr, " -A date/[+-]offset/none: set/unset key " + "activation date\n"); + fprintf(stderr, " -R date/[+-]offset/none: set/unset key " + "revocation date\n"); + fprintf(stderr, " -I date/[+-]offset/none: set/unset key " + "inactivation date\n"); + fprintf(stderr, " -D date/[+-]offset/none: set/unset key " + "deletion date\n"); + fprintf(stderr, "Printing options:\n"); + fprintf(stderr, " -p C/P/A/R/I/D/all: print a particular time " + "value or values " + "[default: all]\n"); + fprintf(stderr, " -u: print times in unix epoch " + "format\n"); + fprintf(stderr, "Output:\n"); + fprintf(stderr, " K++.key, " + "K++.private\n"); + + exit (-1); +} + +static void +printtime(dst_key_t *key, int type, const char *tag, isc_boolean_t epoch, + FILE *stream) +{ + isc_result_t result; + const char *output = NULL; + isc_stdtime_t when; + + if (tag != NULL) + fprintf(stream, "%s: ", tag); + + result = dst_key_gettime(key, type, &when); + if (result == ISC_R_NOTFOUND) { + fprintf(stream, "UNSET\n"); + } else if (epoch) { + fprintf(stream, "%d\n", (int) when); + } else { + time_t time = when; + output = ctime(&time); + fprintf(stream, "%s", output); + } +} + +int +main(int argc, char **argv) { + isc_result_t result; +#ifdef USE_PKCS11 + const char *engine = "pkcs11"; +#else + const char *engine = NULL; +#endif + char *filename = NULL, *directory = NULL; + char newname[1024]; + char keystr[DST_KEY_FORMATSIZE]; + char *endp, *p; + int ch; + isc_entropy_t *ectx = NULL; + const char *predecessor = NULL; + dst_key_t *prevkey = NULL; + dst_key_t *key = NULL; + isc_buffer_t buf; + dns_name_t *name = NULL; + dns_secalg_t alg = 0; + unsigned int size = 0; + isc_uint16_t flags = 0; + int prepub = -1; + isc_stdtime_t now; + isc_stdtime_t pub = 0, act = 0, rev = 0, inact = 0, del = 0; + isc_boolean_t setpub = ISC_FALSE, setact = ISC_FALSE; + isc_boolean_t setrev = ISC_FALSE, setinact = ISC_FALSE; + isc_boolean_t setdel = ISC_FALSE; + isc_boolean_t unsetpub = ISC_FALSE, unsetact = ISC_FALSE; + isc_boolean_t unsetrev = ISC_FALSE, unsetinact = ISC_FALSE; + isc_boolean_t unsetdel = ISC_FALSE; + isc_boolean_t printcreate = ISC_FALSE, printpub = ISC_FALSE; + isc_boolean_t printact = ISC_FALSE, printrev = ISC_FALSE; + isc_boolean_t printinact = ISC_FALSE, printdel = ISC_FALSE; + isc_boolean_t force = ISC_FALSE; + isc_boolean_t epoch = ISC_FALSE; + isc_boolean_t changed = ISC_FALSE; + + if (argc == 1) + usage(); + + result = isc_mem_create(0, 0, &mctx); + if (result != ISC_R_SUCCESS) + fatal("Out of memory"); + + dns_result_register(); + + isc_commandline_errprint = ISC_FALSE; + + isc_stdtime_get(&now); + +#define CMDLINE_FLAGS "A:D:E:fhI:i:K:P:p:R:S:uv:" + while ((ch = isc_commandline_parse(argc, argv, CMDLINE_FLAGS)) != -1) { + switch (ch) { + case 'E': + engine = isc_commandline_argument; + break; + case 'f': + force = ISC_TRUE; + break; + case 'p': + p = isc_commandline_argument; + if (!strcasecmp(p, "all")) { + printcreate = ISC_TRUE; + printpub = ISC_TRUE; + printact = ISC_TRUE; + printrev = ISC_TRUE; + printinact = ISC_TRUE; + printdel = ISC_TRUE; + break; + } + + do { + switch (*p++) { + case 'C': + printcreate = ISC_TRUE; + break; + case 'P': + printpub = ISC_TRUE; + break; + case 'A': + printact = ISC_TRUE; + break; + case 'R': + printrev = ISC_TRUE; + break; + case 'I': + printinact = ISC_TRUE; + break; + case 'D': + printdel = ISC_TRUE; + break; + case ' ': + break; + default: + usage(); + break; + } + } while (*p != '\0'); + break; + case 'u': + epoch = ISC_TRUE; + break; + case 'K': + /* + * We don't have to copy it here, but do it to + * simplify cleanup later + */ + directory = isc_mem_strdup(mctx, + isc_commandline_argument); + if (directory == NULL) { + fatal("Failed to allocate memory for " + "directory"); + } + break; + case 'v': + verbose = strtol(isc_commandline_argument, &endp, 0); + if (*endp != '\0') + fatal("-v must be followed by a number"); + break; + case 'P': + if (setpub || unsetpub) + fatal("-P specified more than once"); + + changed = ISC_TRUE; + if (!strcasecmp(isc_commandline_argument, "none")) { + unsetpub = ISC_TRUE; + } else { + setpub = ISC_TRUE; + pub = strtotime(isc_commandline_argument, + now, now); + } + break; + case 'A': + if (setact || unsetact) + fatal("-A specified more than once"); + + changed = ISC_TRUE; + if (!strcasecmp(isc_commandline_argument, "none")) { + unsetact = ISC_TRUE; + } else { + setact = ISC_TRUE; + act = strtotime(isc_commandline_argument, + now, now); + } + break; + case 'R': + if (setrev || unsetrev) + fatal("-R specified more than once"); + + changed = ISC_TRUE; + if (!strcasecmp(isc_commandline_argument, "none")) { + unsetrev = ISC_TRUE; + } else { + setrev = ISC_TRUE; + rev = strtotime(isc_commandline_argument, + now, now); + } + break; + case 'I': + if (setinact || unsetinact) + fatal("-I specified more than once"); + + changed = ISC_TRUE; + if (!strcasecmp(isc_commandline_argument, "none")) { + unsetinact = ISC_TRUE; + } else { + setinact = ISC_TRUE; + inact = strtotime(isc_commandline_argument, + now, now); + } + break; + case 'D': + if (setdel || unsetdel) + fatal("-D specified more than once"); + + changed = ISC_TRUE; + if (!strcasecmp(isc_commandline_argument, "none")) { + unsetdel = ISC_TRUE; + } else { + setdel = ISC_TRUE; + del = strtotime(isc_commandline_argument, + now, now); + } + break; + case 'S': + predecessor = isc_commandline_argument; + break; + case 'i': + prepub = strtottl(isc_commandline_argument); + break; + case '?': + if (isc_commandline_option != '?') + fprintf(stderr, "%s: invalid argument -%c\n", + program, isc_commandline_option); + /* Falls into */ + case 'h': + usage(); + + default: + fprintf(stderr, "%s: unhandled option -%c\n", + program, isc_commandline_option); + exit(1); + } + } + + if (argc < isc_commandline_index + 1 || + argv[isc_commandline_index] == NULL) + fatal("The key file name was not specified"); + if (argc > isc_commandline_index + 1) + fatal("Extraneous arguments"); + + if (ectx == NULL) + setup_entropy(mctx, NULL, &ectx); + result = isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE); + if (result != ISC_R_SUCCESS) + fatal("Could not initialize hash"); + result = dst_lib_init2(mctx, ectx, engine, + ISC_ENTROPY_BLOCKING | ISC_ENTROPY_GOODONLY); + if (result != ISC_R_SUCCESS) + fatal("Could not initialize dst: %s", + isc_result_totext(result)); + isc_entropy_stopcallbacksources(ectx); + + if (predecessor != NULL) { + char keystr[DST_KEY_FORMATSIZE]; + isc_stdtime_t when; + int major, minor; + + if (prepub == -1) + prepub = (30 * 86400); + + if (setpub || unsetpub) + fatal("-S and -P cannot be used together"); + if (setact || unsetact) + fatal("-S and -A cannot be used together"); + + result = dst_key_fromnamedfile(predecessor, directory, + DST_TYPE_PUBLIC | + DST_TYPE_PRIVATE, + mctx, &prevkey); + if (result != ISC_R_SUCCESS) + fatal("Invalid keyfile %s: %s", + filename, isc_result_totext(result)); + if (!dst_key_isprivate(prevkey)) + fatal("%s is not a private key", filename); + + name = dst_key_name(prevkey); + alg = dst_key_alg(prevkey); + size = dst_key_size(prevkey); + flags = dst_key_flags(prevkey); + + dst_key_format(prevkey, keystr, sizeof(keystr)); + dst_key_getprivateformat(prevkey, &major, &minor); + if (major != DST_MAJOR_VERSION || minor < DST_MINOR_VERSION) + fatal("Predecessor has incompatible format " + "version %d.%d\n\t", major, minor); + + result = dst_key_gettime(prevkey, DST_TIME_ACTIVATE, &when); + if (result != ISC_R_SUCCESS) + fatal("Predecessor has no activation date. " + "You must set one before\n\t" + "generating a successor."); + + result = dst_key_gettime(prevkey, DST_TIME_INACTIVE, &act); + if (result != ISC_R_SUCCESS) + fatal("Predecessor has no inactivation date. " + "You must set one before\n\t" + "generating a successor."); + + pub = act - prepub; + if (pub < now && prepub != 0) + fatal("Predecessor will become inactive before the\n\t" + "prepublication period ends. Either change " + "its inactivation date,\n\t" + "or use the -i option to set a shorter " + "prepublication interval."); + + result = dst_key_gettime(prevkey, DST_TIME_DELETE, &when); + if (result != ISC_R_SUCCESS) + fprintf(stderr, "%s: WARNING: Predecessor has no " + "removal date;\n\t" + "it will remain in the zone " + "indefinitely after rollover.\n", + program); + + changed = setpub = setact = ISC_TRUE; + dst_key_free(&prevkey); + } else { + if (prepub < 0) + prepub = 0; + + if (prepub > 0) { + if (setpub && setact && (act - prepub) < pub) + fatal("Activation and publication dates " + "are closer together than the\n\t" + "prepublication interval."); + + if (setpub && !setact) { + setact = ISC_TRUE; + act = pub + prepub; + } else if (setact && !setpub) { + setpub = ISC_TRUE; + pub = act - prepub; + } + + if ((act - prepub) < now) + fatal("Time until activation is shorter " + "than the\n\tprepublication interval."); + } + } + + if (directory != NULL) { + filename = argv[isc_commandline_index]; + } else { + result = isc_file_splitpath(mctx, argv[isc_commandline_index], + &directory, &filename); + if (result != ISC_R_SUCCESS) + fatal("cannot process filename %s: %s", + argv[isc_commandline_index], + isc_result_totext(result)); + } + + result = dst_key_fromnamedfile(filename, directory, + DST_TYPE_PUBLIC | DST_TYPE_PRIVATE, + mctx, &key); + if (result != ISC_R_SUCCESS) + fatal("Invalid keyfile %s: %s", + filename, isc_result_totext(result)); + + if (!dst_key_isprivate(key)) + fatal("%s is not a private key", filename); + + dst_key_format(key, keystr, sizeof(keystr)); + + if (predecessor != NULL) { + if (!dns_name_equal(name, dst_key_name(key))) + fatal("Key name mismatch"); + if (alg != dst_key_alg(key)) + fatal("Key algorithm mismatch"); + if (size != dst_key_size(key)) + fatal("Key size mismatch"); + if (flags != dst_key_flags(key)) + fatal("Key flags mismatch"); + } + + if (force) + set_keyversion(key); + else + check_keyversion(key, keystr); + + if (verbose > 2) + fprintf(stderr, "%s: %s\n", program, keystr); + + /* + * Set time values. + */ + if (setpub) + dst_key_settime(key, DST_TIME_PUBLISH, pub); + else if (unsetpub) + dst_key_unsettime(key, DST_TIME_PUBLISH); + + if (setact) + dst_key_settime(key, DST_TIME_ACTIVATE, act); + else if (unsetact) + dst_key_unsettime(key, DST_TIME_ACTIVATE); + + if (setrev) { + if ((dst_key_flags(key) & DNS_KEYFLAG_REVOKE) != 0) + fprintf(stderr, "%s: warning: Key %s is already " + "revoked; changing the revocation date " + "will not affect this.\n", + program, keystr); + if ((dst_key_flags(key) & DNS_KEYFLAG_KSK) == 0) + fprintf(stderr, "%s: warning: Key %s is not flagged as " + "a KSK, but -R was used. Revoking a " + "ZSK is legal, but undefined.\n", + program, keystr); + dst_key_settime(key, DST_TIME_REVOKE, rev); + } else if (unsetrev) { + if ((dst_key_flags(key) & DNS_KEYFLAG_REVOKE) != 0) + fprintf(stderr, "%s: warning: Key %s is already " + "revoked; removing the revocation date " + "will not affect this.\n", + program, keystr); + dst_key_unsettime(key, DST_TIME_REVOKE); + } + + if (setinact) + dst_key_settime(key, DST_TIME_INACTIVE, inact); + else if (unsetinact) + dst_key_unsettime(key, DST_TIME_INACTIVE); + + if (setdel) + dst_key_settime(key, DST_TIME_DELETE, del); + else if (unsetdel) + dst_key_unsettime(key, DST_TIME_DELETE); + + /* + * Print out time values, if -p was used. + */ + if (printcreate) + printtime(key, DST_TIME_CREATED, "Created", epoch, stdout); + + if (printpub) + printtime(key, DST_TIME_PUBLISH, "Publish", epoch, stdout); + + if (printact) + printtime(key, DST_TIME_ACTIVATE, "Activate", epoch, stdout); + + if (printrev) + printtime(key, DST_TIME_REVOKE, "Revoke", epoch, stdout); + + if (printinact) + printtime(key, DST_TIME_INACTIVE, "Inactive", epoch, stdout); + + if (printdel) + printtime(key, DST_TIME_DELETE, "Delete", epoch, stdout); + + if (changed) { + isc_buffer_init(&buf, newname, sizeof(newname)); + result = dst_key_buildfilename(key, DST_TYPE_PUBLIC, directory, + &buf); + if (result != ISC_R_SUCCESS) { + fatal("Failed to build public key filename: %s", + isc_result_totext(result)); + } + + result = dst_key_tofile(key, DST_TYPE_PUBLIC|DST_TYPE_PRIVATE, + directory); + if (result != ISC_R_SUCCESS) { + dst_key_format(key, keystr, sizeof(keystr)); + fatal("Failed to write key %s: %s", keystr, + isc_result_totext(result)); + } + + printf("%s\n", newname); + + isc_buffer_clear(&buf); + result = dst_key_buildfilename(key, DST_TYPE_PRIVATE, directory, + &buf); + if (result != ISC_R_SUCCESS) { + fatal("Failed to build private key filename: %s", + isc_result_totext(result)); + } + printf("%s\n", newname); + } + + dst_key_free(&key); + dst_lib_destroy(); + isc_hash_destroy(); + cleanup_entropy(&ectx); + if (verbose > 10) + isc_mem_stats(mctx, stdout); + isc_mem_free(mctx, directory); + isc_mem_destroy(&mctx); + + return (0); +} diff --git a/bin/dnssec/dnssec-settime.docbook b/bin/dnssec/dnssec-settime.docbook new file mode 100644 index 0000000..1096cb7 --- /dev/null +++ b/bin/dnssec/dnssec-settime.docbook @@ -0,0 +1,319 @@ +]> + + + + + + July 15, 2009 + + + + dnssec-settime + 8 + BIND9 + + + + dnssec-settime + Set the key timing metadata for a DNSSEC key + + + + + 2009 + 2010 + Internet Systems Consortium, Inc. ("ISC") + + + + + + dnssec-settime + + + + + + + + + + + keyfile + + + + + DESCRIPTION + dnssec-settime + reads a DNSSEC private key file and sets the key timing metadata + as specified by the , , + , , and + options. The metadata can then be used by + dnssec-signzone or other signing software to + determine when a key is to be published, whether it should be + used for signing a zone, etc. + + + If none of these options is set on the command line, + then dnssec-settime simply prints the key timing + metadata already stored in the key. + + + When key metadata fields are changed, both files of a key + pair (Knnnn.+aaa+iiiii.key and + Knnnn.+aaa+iiiii.private) are regenerated. + Metadata fields are stored in the private file. A human-readable + description of the metadata is also placed in comments in the key + file. + + + + + OPTIONS + + + + -f + + + Force an update of an old-format key with no metadata fields. + Without this option, dnssec-settime will + fail when attempting to update a legacy key. With this option, + the key will be recreated in the new format, but with the + original key data retained. The key's creation date will be + set to the present time. + + + + + + -K directory + + + Sets the directory in which the key files are to reside. + + + + + + -h + + + Emit usage message and exit. + + + + + + -v level + + + Sets the debugging level. + + + + + + -E engine + + + Use the given OpenSSL engine. When compiled with PKCS#11 support + it defaults to pkcs11; the empty name resets it to no engine. + + + + + + + + TIMING OPTIONS + + Dates can be expressed in the format YYYYMMDD or YYYYMMDDHHMMSS. + If the argument begins with a '+' or '-', it is interpreted as + an offset from the present time. For convenience, if such an offset + is followed by one of the suffixes 'y', 'mo', 'w', 'd', 'h', or 'mi', + then the offset is computed in years (defined as 365 24-hour days, + ignoring leap years), months (defined as 30 24-hour days), weeks, + days, hours, or minutes, respectively. Without a suffix, the offset + is computed in seconds. To unset a date, use 'none'. + + + + + -P date/offset + + + Sets the date on which a key is to be published to the zone. + After that date, the key will be included in the zone but will + not be used to sign it. + + + + + + -A date/offset + + + Sets the date on which the key is to be activated. After that + date, the key will be included in the zone and used to sign + it. + + + + + + -R date/offset + + + Sets the date on which the key is to be revoked. After that + date, the key will be flagged as revoked. It will be included + in the zone and will be used to sign it. + + + + + + -I date/offset + + + Sets the date on which the key is to be retired. After that + date, the key will still be included in the zone, but it + will not be used to sign it. + + + + + + -D date/offset + + + Sets the date on which the key is to be deleted. After that + date, the key will no longer be included in the zone. (It + may remain in the key repository, however.) + + + + + + -S predecessor key + + + Select a key for which the key being modified will be an + explicit successor. The name, algorithm, size, and type of the + predecessor key must exactly match those of the key being + modified. The activation date of the successor key will be set + to the inactivation date of the predecessor. The publication + date will be set to the activation date minus the prepublication + interval, which defaults to 30 days. + + + + + + -i interval + + + Sets the prepublication interval for a key. If set, then + the publication and activation dates must be separated by at least + this much time. If the activation date is specified but the + publication date isn't, then the publication date will default + to this much time before the activation date; conversely, if + the publication date is specified but activation date isn't, + then activation will be set to this much time after publication. + + + If the key is being set to be an explicit successor to another + key, then the default prepublication interval is 30 days; + otherwise it is zero. + + + As with date offsets, if the argument is followed by one of + the suffixes 'y', 'mo', 'w', 'd', 'h', or 'mi', then the + interval is measured in years, months, weeks, days, hours, + or minutes, respectively. Without a suffix, the interval is + measured in seconds. + + + + + + + + PRINTING OPTIONS + + dnssec-settime can also be used to print the + timing metadata associated with a key. + + + + + -u + + + Print times in UNIX epoch format. + + + + + + -p C/P/A/R/I/D/all + + + Print a specific metadata value or set of metadata values. + The option may be followed by one or more + of the following letters to indicate which value or values to print: + for the creation date, + for the publication date, + for the activation date, + for the revocation date, + for the inactivation date, or + for the deletion date. + To print all of the metadata, use . + + + + + + + + + SEE ALSO + + dnssec-keygen8 + , + + dnssec-signzone8 + , + BIND 9 Administrator Reference Manual, + RFC 5011. + + + + + AUTHOR + Internet Systems Consortium + + + + diff --git a/bin/dnssec/dnssec-settime.html b/bin/dnssec/dnssec-settime.html new file mode 100644 index 0000000..84c8dde --- /dev/null +++ b/bin/dnssec/dnssec-settime.html @@ -0,0 +1,208 @@ + + + + + +dnssec-settime + + +
    +
    +
    +

    Name

    +

    dnssec-settime — Set the key timing metadata for a DNSSEC key

    +
    +
    +

    Synopsis

    +

    dnssec-settime [-f] [-K directory] [-P date/offset] [-A date/offset] [-R date/offset] [-I date/offset] [-D date/offset] [-h] [-v level] [-E engine] {keyfile}

    +
    +
    +

    DESCRIPTION

    +

    dnssec-settime + reads a DNSSEC private key file and sets the key timing metadata + as specified by the -P, -A, + -R, -I, and -D + options. The metadata can then be used by + dnssec-signzone or other signing software to + determine when a key is to be published, whether it should be + used for signing a zone, etc. +

    +

    + If none of these options is set on the command line, + then dnssec-settime simply prints the key timing + metadata already stored in the key. +

    +

    + When key metadata fields are changed, both files of a key + pair (Knnnn.+aaa+iiiii.key and + Knnnn.+aaa+iiiii.private) are regenerated. + Metadata fields are stored in the private file. A human-readable + description of the metadata is also placed in comments in the key + file. +

    +
    +
    +

    OPTIONS

    +
    +
    -f
    +

    + Force an update of an old-format key with no metadata fields. + Without this option, dnssec-settime will + fail when attempting to update a legacy key. With this option, + the key will be recreated in the new format, but with the + original key data retained. The key's creation date will be + set to the present time. +

    +
    -K directory
    +

    + Sets the directory in which the key files are to reside. +

    +
    -h
    +

    + Emit usage message and exit. +

    +
    -v level
    +

    + Sets the debugging level. +

    +
    -E engine
    +

    + Use the given OpenSSL engine. When compiled with PKCS#11 support + it defaults to pkcs11; the empty name resets it to no engine. +

    +
    +
    +
    +

    TIMING OPTIONS

    +

    + Dates can be expressed in the format YYYYMMDD or YYYYMMDDHHMMSS. + If the argument begins with a '+' or '-', it is interpreted as + an offset from the present time. For convenience, if such an offset + is followed by one of the suffixes 'y', 'mo', 'w', 'd', 'h', or 'mi', + then the offset is computed in years (defined as 365 24-hour days, + ignoring leap years), months (defined as 30 24-hour days), weeks, + days, hours, or minutes, respectively. Without a suffix, the offset + is computed in seconds. To unset a date, use 'none'. +

    +
    +
    -P date/offset
    +

    + Sets the date on which a key is to be published to the zone. + After that date, the key will be included in the zone but will + not be used to sign it. +

    +
    -A date/offset
    +

    + Sets the date on which the key is to be activated. After that + date, the key will be included in the zone and used to sign + it. +

    +
    -R date/offset
    +

    + Sets the date on which the key is to be revoked. After that + date, the key will be flagged as revoked. It will be included + in the zone and will be used to sign it. +

    +
    -I date/offset
    +

    + Sets the date on which the key is to be retired. After that + date, the key will still be included in the zone, but it + will not be used to sign it. +

    +
    -D date/offset
    +

    + Sets the date on which the key is to be deleted. After that + date, the key will no longer be included in the zone. (It + may remain in the key repository, however.) +

    +
    -S predecessor key
    +

    + Select a key for which the key being modified will be an + explicit successor. The name, algorithm, size, and type of the + predecessor key must exactly match those of the key being + modified. The activation date of the successor key will be set + to the inactivation date of the predecessor. The publication + date will be set to the activation date minus the prepublication + interval, which defaults to 30 days. +

    +
    -i interval
    +
    +

    + Sets the prepublication interval for a key. If set, then + the publication and activation dates must be separated by at least + this much time. If the activation date is specified but the + publication date isn't, then the publication date will default + to this much time before the activation date; conversely, if + the publication date is specified but activation date isn't, + then activation will be set to this much time after publication. +

    +

    + If the key is being set to be an explicit successor to another + key, then the default prepublication interval is 30 days; + otherwise it is zero. +

    +

    + As with date offsets, if the argument is followed by one of + the suffixes 'y', 'mo', 'w', 'd', 'h', or 'mi', then the + interval is measured in years, months, weeks, days, hours, + or minutes, respectively. Without a suffix, the interval is + measured in seconds. +

    +
    +
    +
    +
    +

    PRINTING OPTIONS

    +

    + dnssec-settime can also be used to print the + timing metadata associated with a key. +

    +
    +
    -u
    +

    + Print times in UNIX epoch format. +

    +
    -p C/P/A/R/I/D/all
    +

    + Print a specific metadata value or set of metadata values. + The -p option may be followed by one or more + of the following letters to indicate which value or values to print: + C for the creation date, + P for the publication date, + A for the activation date, + R for the revocation date, + I for the inactivation date, or + D for the deletion date. + To print all of the metadata, use -p all. +

    +
    +
    +
    +

    SEE ALSO

    +

    dnssec-keygen(8), + dnssec-signzone(8), + BIND 9 Administrator Reference Manual, + RFC 5011. +

    +
    +
    +

    AUTHOR

    +

    Internet Systems Consortium +

    +
    +
    + diff --git a/bin/dnssec/dnssec-signzone.8 b/bin/dnssec/dnssec-signzone.8 index bfe7a20..9822883 100644 --- a/bin/dnssec/dnssec-signzone.8 +++ b/bin/dnssec/dnssec-signzone.8 @@ -13,18 +13,18 @@ .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR .\" PERFORMANCE OF THIS SOFTWARE. .\" -.\" $Id: dnssec-signzone.8,v 1.47.44.8 2009-11-07 01:56:11 tbox Exp $ +.\" $Id: dnssec-signzone.8,v 1.59 2009-12-04 01:13:44 tbox Exp $ .\" .hy 0 .ad l .\" Title: dnssec\-signzone .\" Author: .\" Generator: DocBook XSL Stylesheets v1.71.1 -.\" Date: June 08, 2009 +.\" Date: June 05, 2009 .\" Manual: BIND9 .\" Source: BIND9 .\" -.TH "DNSSEC\-SIGNZONE" "8" "June 08, 2009" "BIND9" "BIND9" +.TH "DNSSEC\-SIGNZONE" "8" "June 05, 2009" "BIND9" "BIND9" .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) @@ -33,15 +33,13 @@ dnssec\-signzone \- DNSSEC zone signing tool .SH "SYNOPSIS" .HP 16 -\fBdnssec\-signzone\fR [\fB\-a\fR] [\fB\-c\ \fR\fB\fIclass\fR\fR] [\fB\-d\ \fR\fB\fIdirectory\fR\fR] [\fB\-e\ \fR\fB\fIend\-time\fR\fR] [\fB\-f\ \fR\fB\fIoutput\-file\fR\fR] [\fB\-g\fR] [\fB\-h\fR] [\fB\-k\ \fR\fB\fIkey\fR\fR] [\fB\-l\ \fR\fB\fIdomain\fR\fR] [\fB\-i\ \fR\fB\fIinterval\fR\fR] [\fB\-I\ \fR\fB\fIinput\-format\fR\fR] [\fB\-j\ \fR\fB\fIjitter\fR\fR] [\fB\-N\ \fR\fB\fIsoa\-serial\-format\fR\fR] [\fB\-o\ \fR\fB\fIorigin\fR\fR] [\fB\-O\ \fR\fB\fIoutput\-format\fR\fR] [\fB\-p\fR] [\fB\-P\fR] [\fB\-r\ \fR\fB\fIrandomdev\fR\fR] [\fB\-s\ \fR\fB\fIstart\-time\fR\fR] [\fB\-t\fR] [\fB\-v\ \fR\fB\fIlevel\fR\fR] [\fB\-z\fR] [\fB\-3\ \fR\fB\fIsalt\fR\fR] [\fB\-H\ \fR\fB\fIiterations\fR\fR] [\fB\-A\fR] {zonefile} [key...] +\fBdnssec\-signzone\fR [\fB\-a\fR] [\fB\-c\ \fR\fB\fIclass\fR\fR] [\fB\-d\ \fR\fB\fIdirectory\fR\fR] [\fB\-E\ \fR\fB\fIengine\fR\fR] [\fB\-e\ \fR\fB\fIend\-time\fR\fR] [\fB\-f\ \fR\fB\fIoutput\-file\fR\fR] [\fB\-g\fR] [\fB\-h\fR] [\fB\-K\ \fR\fB\fIdirectory\fR\fR] [\fB\-k\ \fR\fB\fIkey\fR\fR] [\fB\-l\ \fR\fB\fIdomain\fR\fR] [\fB\-i\ \fR\fB\fIinterval\fR\fR] [\fB\-I\ \fR\fB\fIinput\-format\fR\fR] [\fB\-j\ \fR\fB\fIjitter\fR\fR] [\fB\-N\ \fR\fB\fIsoa\-serial\-format\fR\fR] [\fB\-o\ \fR\fB\fIorigin\fR\fR] [\fB\-O\ \fR\fB\fIoutput\-format\fR\fR] [\fB\-p\fR] [\fB\-P\fR] [\fB\-r\ \fR\fB\fIrandomdev\fR\fR] [\fB\-S\fR] [\fB\-s\ \fR\fB\fIstart\-time\fR\fR] [\fB\-T\ \fR\fB\fIttl\fR\fR] [\fB\-t\fR] [\fB\-u\fR] [\fB\-v\ \fR\fB\fIlevel\fR\fR] [\fB\-x\fR] [\fB\-z\fR] [\fB\-3\ \fR\fB\fIsalt\fR\fR] [\fB\-H\ \fR\fB\fIiterations\fR\fR] [\fB\-A\fR] {zonefile} [key...] .SH "DESCRIPTION" .PP \fBdnssec\-signzone\fR -signs a zone. It generates NSEC and RRSIG records and produces a signed version of the zone. It also generates a -\fIkeyset\-\fR -file containing the key\-signing keys for the zone, and if signing a zone which contains delegations, it can optionally generate DS records for the child zones from their -\fIkeyset\-\fR -files. +signs a zone. It generates NSEC and RRSIG records and produces a signed version of the zone. The security status of delegations from the signed zone (that is, whether the child zones are secure or not) is determined by the presence or absence of a +\fIkeyset\fR +file for each child zone. .SH "OPTIONS" .PP \-a @@ -54,30 +52,53 @@ Verify all generated signatures. Specifies the DNS class of the zone. .RE .PP -\-k \fIkey\fR -.RS 4 -Treat specified key as a key signing key ignoring any key flags. This option may be specified multiple times. -.RE -.PP -\-l \fIdomain\fR +\-C .RS 4 -Generate a DLV set in addition to the key (DNSKEY) and DS sets. The domain is appended to the name of the records. +Compatibility mode: Generate a +\fIkeyset\-\fR\fI\fIzonename\fR\fR +file in addition to +\fIdsset\-\fR\fI\fIzonename\fR\fR +when signing a zone, for use by older versions of +\fBdnssec\-signzone\fR. .RE .PP \-d \fIdirectory\fR .RS 4 Look for -\fIkeyset\fR +\fIdsset\-\fR +or +\fIkeyset\-\fR files in -\fBdirectory\fR -as the directory +\fBdirectory\fR. +.RE +.PP +\-E \fIengine\fR +.RS 4 +Uses a crypto hardware (OpenSSL engine) for the crypto operations it supports, for instance signing with private keys from a secure key store. When compiled with PKCS#11 support it defaults to pkcs11; the empty name resets it to no engine. .RE .PP \-g .RS 4 -If the zone contains any delegations, and there are +Generate DS records for child zones from +\fIdsset\-\fR +or \fIkeyset\-\fR -files for any of the child zones, then DS records for the child zones will be generated from the keys in those files. Existing DS records will be removed. +file. Existing DS records will be removed. +.RE +.PP +\-K \fIdirectory\fR +.RS 4 +Key repository: Specify a directory to search for DNSSEC keys. If not specified, defaults to the current directory. +.RE +.PP +\-k \fIkey\fR +.RS 4 +Treat specified key as a key signing key ignoring any key flags. This option may be specified multiple times. +.RE +.PP +\-l \fIdomain\fR +.RS 4 +Generate a DLV set in addition to the key (DNSKEY) and DS sets. The domain is appended to the name of the records. .RE .PP \-s \fIstart\-time\fR @@ -93,6 +114,9 @@ Specify the date and time when the generated RRSIG records expire. As with \fBstart\-time\fR, an absolute time is indicated in YYYYMMDDHHMMSS notation. A time relative to the start time is indicated with +N, which is N seconds from the start time. A time relative to the current time is indicated with now+N. If no \fBend\-time\fR is specified, 30 days from the start time is used as a default. +\fBend\-time\fR +must be later than +\fBstart\-time\fR. .RE .PP \-f \fIoutput\-file\fR @@ -208,34 +232,94 @@ specifies the name of a character device or file containing random data to be us indicates that keyboard input should be used. .RE .PP +\-S +.RS 4 +Smart signing: Instructs +\fBdnssec\-signzone\fR +to search the key repository for keys that match the zone being signed, and to include them in the zone if appropriate. +.sp +When a key is found, its timing metadata is examined to determine how it should be used, according to the following rules. Each successive rule takes priority over the prior ones: +.RS 4 +.PP +.RS 4 +If no timing metadata has been set for the key, the key is published in the zone and used to sign the zone. +.RE +.PP +.RS 4 +If the key's publication date is set and is in the past, the key is published in the zone. +.RE +.PP +.RS 4 +If the key's activation date is set and in the past, the key is published (regardless of publication date) and used to sign the zone. +.RE +.PP +.RS 4 +If the key's revocation date is set and in the past, and the key is published, then the key is revoked, and the revoked key is used to sign the zone. +.RE +.PP +.RS 4 +If either of the key's unpublication or deletion dates are set and in the past, the key is NOT published or used to sign the zone, regardless of any other metadata. +.RE +.RE +.RE +.PP +\-T \fIttl\fR +.RS 4 +Specifies the TTL to be used for new DNSKEY records imported into the zone from the key repository. If not specified, the default is the minimum TTL value from the zone's SOA record. This option is ignored when signing without +\fB\-S\fR, since DNSKEY records are not imported from the key repository in that case. It is also ignored if there are any pre\-existing DNSKEY records at the zone apex, in which case new records' TTL values will be set to match them. +.RE +.PP \-t .RS 4 Print statistics at completion. .RE .PP +\-u +.RS 4 +Update NSEC/NSEC3 chain when re\-signing a previously signed zone. With this option, a zone signed with NSEC can be switched to NSEC3, or a zone signed with NSEC3 can be switch to NSEC or to NSEC3 with different parameters. Without this option, +\fBdnssec\-signzone\fR +will retain the existing chain when re\-signing. +.RE +.PP \-v \fIlevel\fR .RS 4 Sets the debugging level. .RE .PP +\-x +.RS 4 +Only sign the DNSKEY RRset with key\-signing keys, and omit signatures from zone\-signing keys. (This is similar to the +\fBdnssec\-dnskey\-kskonly yes;\fR +zone option in +\fBnamed\fR.) +.RE +.PP \-z .RS 4 -Ignore KSK flag on key when determining what to sign. +Ignore KSK flag on key when determining what to sign. This causes KSK\-flagged keys to sign all records, not just the DNSKEY RRset. (This is similar to the +\fBupdate\-check\-ksk no;\fR +zone option in +\fBnamed\fR.) .RE .PP \-3 \fIsalt\fR .RS 4 -Generate a NSEC3 chain with the given hex encoded salt. A dash (\fIsalt\fR) can be used to indicate that no salt is to be used when generating the NSEC3 chain. +Generate an NSEC3 chain with the given hex encoded salt. A dash (\fIsalt\fR) can be used to indicate that no salt is to be used when generating the NSEC3 chain. .RE .PP \-H \fIiterations\fR .RS 4 -When generating a NSEC3 chain use this many interations. The default is 100. +When generating an NSEC3 chain, use this many interations. The default is 10. .RE .PP \-A .RS 4 -When generating a NSEC3 chain set the OPTOUT flag on all NSEC3 records and do not generate NSEC3 records for insecure delegations. +When generating an NSEC3 chain set the OPTOUT flag on all NSEC3 records and do not generate NSEC3 records for insecure delegations. +.sp +Using this option twice (i.e., +\fB\-AA\fR) turns the OPTOUT flag off for all records. This is useful when using the +\fB\-u\fR +option to modify an NSEC3 chain which previously had OPTOUT set. .RE .PP zonefile @@ -253,9 +337,11 @@ The following command signs the \fBexample.com\fR zone with the DSA key generated by \fBdnssec\-keygen\fR -(Kexample.com.+003+17247). The zone's keys must be in the master file (\fIdb.example.com\fR). This invocation looks for -\fIkeyset\fR -files, in the current directory, so that DS records can be generated from them (\fB\-g\fR). +(Kexample.com.+003+17247). Because the +\fB\-S\fR +option is not being used, the zone's keys must be in the master file (\fIdb.example.com\fR). This invocation looks for +\fIdsset\fR +files, in the current directory, so that DS records can be imported from them (\fB\-g\fR). .sp .RS 4 .nf @@ -283,18 +369,6 @@ db.example.com.signed % .fi .RE -.SH "KNOWN BUGS" -.PP -\fBdnssec\-signzone\fR -was designed so that it could sign a zone partially, using only a subset of the DNSSEC keys needed to produce a fully\-signed zone. This permits a zone administrator, for example, to sign a zone with one key on one machine, move the resulting partially\-signed zone to a second machine, and sign it again with a second key. -.PP -An unfortunate side\-effect of this flexibility is that -\fBdnssec\-signzone\fR -does not check to make sure it's signing a zone with any valid keys at all. An attempt to sign a zone without any keys will appear to succeed, producing a "signed" zone with no signatures. There is no warning issued when a zone is not fully signed. -.PP -This will be corrected in a future release. In the meantime, ISC recommends examining the output of -\fBdnssec\-signzone\fR -to confirm that the zone is properly signed by all keys before using it. .SH "SEE ALSO" .PP \fBdnssec\-keygen\fR(8), diff --git a/bin/dnssec/dnssec-signzone.c b/bin/dnssec/dnssec-signzone.c index b8f4d66..3997a13 100644 --- a/bin/dnssec/dnssec-signzone.c +++ b/bin/dnssec/dnssec-signzone.c @@ -29,7 +29,7 @@ * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: dnssec-signzone.c,v 1.209.12.20 2010-06-03 23:47:48 tbox Exp $ */ +/* $Id: dnssec-signzone.c,v 1.262 2010-06-03 23:51:04 tbox Exp $ */ /*! \file */ @@ -87,6 +87,10 @@ #include "dnssectool.h" +#ifndef PATH_MAX +#define PATH_MAX 1024 /* AIX, WIN32, and others don't define this. */ +#endif + const char *program = "dnssec-signzone"; int verbose; @@ -97,22 +101,11 @@ static int nsec_datatype = dns_rdatatype_nsec; #define IS_NSEC3 (nsec_datatype == dns_rdatatype_nsec3) #define OPTOUT(x) (((x) & DNS_NSEC3FLAG_OPTOUT) != 0) +#define REVOKE(x) ((dst_key_flags(x) & DNS_KEYFLAG_REVOKE) != 0) + #define BUFSIZE 2048 #define MAXDSKEYS 8 -typedef struct signer_key_struct signer_key_t; - -struct signer_key_struct { - dst_key_t *key; - isc_boolean_t issigningkey; - isc_boolean_t isdsk; - isc_boolean_t isksk; - isc_boolean_t wasused; - isc_boolean_t commandline; - unsigned int position; - ISC_LINK(signer_key_t) link; -}; - #define SIGNER_EVENTCLASS ISC_EVENTCLASS(0x4453) #define SIGNER_EVENT_WRITE (SIGNER_EVENTCLASS + 0) #define SIGNER_EVENT_WORK (SIGNER_EVENTCLASS + 1) @@ -128,7 +121,7 @@ struct signer_event { dns_dbnode_t *node; }; -static ISC_LIST(signer_key_t) keylist; +static dns_dnsseckeylist_t keylist; static unsigned int keycount = 0; isc_rwlock_t keylist_lock; static isc_stdtime_t starttime = 0, endtime = 0, now; @@ -138,7 +131,8 @@ static isc_boolean_t tryverify = ISC_FALSE; static isc_boolean_t printstats = ISC_FALSE; static isc_mem_t *mctx = NULL; static isc_entropy_t *ectx = NULL; -static dns_ttl_t zonettl; +static dns_ttl_t zone_soa_min_ttl; +static dns_ttl_t soa_ttl; static FILE *fp; static char *tempfile = NULL; static const dns_master_style_t *masterstyle; @@ -146,7 +140,7 @@ static dns_masterformat_t inputformat = dns_masterformat_text; static dns_masterformat_t outputformat = dns_masterformat_text; static unsigned int nsigned = 0, nretained = 0, ndropped = 0; static unsigned int nverified = 0, nverifyfailed = 0; -static const char *directory; +static const char *directory = NULL, *dsdir = NULL; static isc_mutex_t namelock, statslock; static isc_taskmgr_t *taskmgr = NULL; static dns_db_t *gdb; /* The database */ @@ -155,13 +149,18 @@ static dns_dbiterator_t *gdbiter; /* The database iterator */ static dns_rdataclass_t gclass; /* The class */ static dns_name_t *gorigin; /* The database origin */ static int nsec3flags = 0; +static dns_iterations_t nsec3iter = 10U; +static unsigned char saltbuf[255]; +static unsigned char *salt = saltbuf; +static size_t salt_length = 0; static isc_task_t *master = NULL; static unsigned int ntasks = 0; static isc_boolean_t shuttingdown = ISC_FALSE, finished = ISC_FALSE; static isc_boolean_t nokeys = ISC_FALSE; static isc_boolean_t removefile = ISC_FALSE; static isc_boolean_t generateds = ISC_FALSE; -static isc_boolean_t ignoreksk = ISC_FALSE; +static isc_boolean_t ignore_kskflag = ISC_FALSE; +static isc_boolean_t keyset_kskonly = ISC_FALSE; static dns_name_t *dlv = NULL; static dns_fixedname_t dlv_fixed; static dns_master_style_t *dsstyle = NULL; @@ -169,6 +168,9 @@ static unsigned int serialformat = SOA_SERIAL_KEEP; static unsigned int hash_length = 0; static isc_boolean_t unknownalg = ISC_FALSE; static isc_boolean_t disable_zone_check = ISC_FALSE; +static isc_boolean_t update_chain = ISC_FALSE; +static isc_boolean_t set_keyttl = ISC_FALSE; +static dns_ttl_t keyttl; #define INCSTAT(counter) \ if (printstats) { \ @@ -195,48 +197,23 @@ dumpnode(dns_name_t *name, dns_dbnode_t *node) { check_result(result, "dns_master_dumpnodetostream"); } -static signer_key_t * -newkeystruct(dst_key_t *dstkey, isc_boolean_t signwithkey) { - signer_key_t *key; - - key = isc_mem_get(mctx, sizeof(signer_key_t)); - if (key == NULL) - fatal("out of memory"); - key->key = dstkey; - if ((dst_key_flags(dstkey) & DNS_KEYFLAG_KSK) != 0) { - key->issigningkey = signwithkey; - key->isksk = ISC_TRUE; - key->isdsk = ISC_FALSE; - } else { - key->issigningkey = signwithkey; - key->isksk = ISC_FALSE; - key->isdsk = ISC_TRUE; - } - key->wasused = ISC_FALSE; - key->commandline = ISC_FALSE; - key->position = keycount++; - ISC_LINK_INIT(key, link); - return (key); -} - /*% * Sign the given RRset with given key, and add the signature record to the * given tuple. */ - static void signwithkey(dns_name_t *name, dns_rdataset_t *rdataset, dst_key_t *key, dns_ttl_t ttl, dns_diff_t *add, const char *logmsg) { isc_result_t result; isc_stdtime_t jendtime; - char keystr[KEY_FORMATSIZE]; + char keystr[DST_KEY_FORMATSIZE]; dns_rdata_t trdata = DNS_RDATA_INIT; unsigned char array[BUFSIZE]; isc_buffer_t b; dns_difftuple_t *tuple; - key_format(key, keystr, sizeof(keystr)); + dst_key_format(key, keystr, sizeof(keystr)); vbprintf(1, "\t%s %s\n", logmsg, keystr); jendtime = (jitter != 0) ? isc_random_jitter(endtime, jitter) : endtime; @@ -245,8 +222,8 @@ signwithkey(dns_name_t *name, dns_rdataset_t *rdataset, dst_key_t *key, mctx, &b, &trdata); isc_entropy_stopcallbacksources(ectx); if (result != ISC_R_SUCCESS) { - char keystr[KEY_FORMATSIZE]; - key_format(key, keystr, sizeof(keystr)); + char keystr[DST_KEY_FORMATSIZE]; + dst_key_format(key, keystr, sizeof(keystr)); fatal("dnskey '%s' failed to sign data: %s", keystr, isc_result_totext(result)); } @@ -272,31 +249,43 @@ signwithkey(dns_name_t *name, dns_rdataset_t *rdataset, dst_key_t *key, } static inline isc_boolean_t -issigningkey(signer_key_t *key) { - return (key->issigningkey); +issigningkey(dns_dnsseckey_t *key) { + return (key->force_sign || key->hint_sign); } static inline isc_boolean_t -iszonekey(signer_key_t *key) { +iszonekey(dns_dnsseckey_t *key) { return (ISC_TF(dns_name_equal(dst_key_name(key->key), gorigin) && dst_key_iszonekey(key->key))); } +static inline isc_boolean_t +isksk(dns_dnsseckey_t *key) { + return (key->ksk); +} + +static inline isc_boolean_t +iszsk(dns_dnsseckey_t *key) { + return (ignore_kskflag || !key->ksk); +} + /*% - * Find the key if it is in our list. If it is, return it, otherwise null. + * Find the key that generated an RRSIG, if it is in the key list. If + * so, return a pointer to it, otherwise return NULL. + * * No locking is performed here, this must be done by the caller. */ -static signer_key_t * +static dns_dnsseckey_t * keythatsigned_unlocked(dns_rdata_rrsig_t *rrsig) { - signer_key_t *key; + dns_dnsseckey_t *key; - key = ISC_LIST_HEAD(keylist); - while (key != NULL) { + for (key = ISC_LIST_HEAD(keylist); + key != NULL; + key = ISC_LIST_NEXT(key, link)) { if (rrsig->keyid == dst_key_id(key->key) && rrsig->algorithm == dst_key_alg(key->key) && dns_name_equal(&rrsig->signer, dst_key_name(key->key))) return (key); - key = ISC_LIST_NEXT(key, link); } return (NULL); } @@ -305,11 +294,11 @@ keythatsigned_unlocked(dns_rdata_rrsig_t *rrsig) { * Finds the key that generated a RRSIG, if possible. First look at the keys * that we've loaded already, and then see if there's a key on disk. */ -static signer_key_t * +static dns_dnsseckey_t * keythatsigned(dns_rdata_rrsig_t *rrsig) { isc_result_t result; dst_key_t *pubkey = NULL, *privkey = NULL; - signer_key_t *key; + dns_dnsseckey_t *key = NULL; isc_rwlock_lock(&keylist_lock, isc_rwlocktype_read); key = keythatsigned_unlocked(rrsig); @@ -325,7 +314,6 @@ keythatsigned(dns_rdata_rrsig_t *rrsig) { * after all. */ isc_rwlock_lock(&keylist_lock, isc_rwlocktype_write); - key = keythatsigned_unlocked(rrsig); if (key != NULL) { isc_rwlock_unlock(&keylist_lock, isc_rwlocktype_write); @@ -334,7 +322,7 @@ keythatsigned(dns_rdata_rrsig_t *rrsig) { result = dst_key_fromfile(&rrsig->signer, rrsig->keyid, rrsig->algorithm, DST_TYPE_PUBLIC, - NULL, mctx, &pubkey); + directory, mctx, &pubkey); if (result != ISC_R_SUCCESS) { isc_rwlock_unlock(&keylist_lock, isc_rwlocktype_write); return (NULL); @@ -343,12 +331,15 @@ keythatsigned(dns_rdata_rrsig_t *rrsig) { result = dst_key_fromfile(&rrsig->signer, rrsig->keyid, rrsig->algorithm, DST_TYPE_PUBLIC | DST_TYPE_PRIVATE, - NULL, mctx, &privkey); + directory, mctx, &privkey); if (result == ISC_R_SUCCESS) { dst_key_free(&pubkey); - key = newkeystruct(privkey, ISC_FALSE); - } else - key = newkeystruct(pubkey, ISC_FALSE); + dns_dnsseckey_create(mctx, &privkey, &key); + } else { + dns_dnsseckey_create(mctx, &pubkey, &key); + } + key->force_publish = ISC_TRUE; + key->force_sign = ISC_FALSE; ISC_LIST_APPEND(keylist, key, link); isc_rwlock_unlock(&keylist_lock, isc_rwlocktype_write); @@ -383,15 +374,16 @@ expecttofindkey(dns_name_t *name) { dns_name_format(name, namestr, sizeof(namestr)); fatal("failure looking for '%s DNSKEY' in database: %s", namestr, isc_result_totext(result)); + /* NOTREACHED */ return (ISC_FALSE); /* removes a warning */ } static inline isc_boolean_t -setverifies(dns_name_t *name, dns_rdataset_t *set, signer_key_t *key, +setverifies(dns_name_t *name, dns_rdataset_t *set, dst_key_t *key, dns_rdata_t *rrsig) { isc_result_t result; - result = dns_dnssec_verify(name, set, key->key, ISC_FALSE, mctx, rrsig); + result = dns_dnssec_verify(name, set, key, ISC_FALSE, mctx, rrsig); if (result == ISC_R_SUCCESS) { INCSTAT(nverified); return (ISC_TRUE); @@ -413,7 +405,7 @@ signset(dns_diff_t *del, dns_diff_t *add, dns_dbnode_t *node, dns_name_t *name, dns_rdataset_t sigset; dns_rdata_t sigrdata = DNS_RDATA_INIT; dns_rdata_rrsig_t rrsig; - signer_key_t *key; + dns_dnsseckey_t *key; isc_result_t result; isc_boolean_t nosigs = ISC_FALSE; isc_boolean_t *wassignedby, *nowsignedby; @@ -483,8 +475,7 @@ signset(dns_diff_t *del, dns_diff_t *add, dns_dbnode_t *node, dns_name_t *name, "invalid validity period\n", sigstr); } else if (key == NULL && !future && - expecttofindkey(&rrsig.signer)) - { + expecttofindkey(&rrsig.signer)) { /* rrsig is dropped and not replaced */ vbprintf(2, "\trrsig by %s dropped - " "private dnskey not found\n", @@ -495,35 +486,33 @@ signset(dns_diff_t *del, dns_diff_t *add, dns_dbnode_t *node, dns_name_t *name, if (!expired) keep = ISC_TRUE; } else if (issigningkey(key)) { - if (!expired && setverifies(name, set, key, &sigrdata)) - { + if (!expired && setverifies(name, set, key->key, + &sigrdata)) { vbprintf(2, "\trrsig by %s retained\n", sigstr); keep = ISC_TRUE; - wassignedby[key->position] = ISC_TRUE; - nowsignedby[key->position] = ISC_TRUE; - key->wasused = ISC_TRUE; + wassignedby[key->index] = ISC_TRUE; + nowsignedby[key->index] = ISC_TRUE; } else { vbprintf(2, "\trrsig by %s dropped - %s\n", sigstr, expired ? "expired" : "failed to verify"); - wassignedby[key->position] = ISC_TRUE; + wassignedby[key->index] = ISC_TRUE; resign = ISC_TRUE; } } else if (iszonekey(key)) { - if (!expired && setverifies(name, set, key, &sigrdata)) - { + if (!expired && setverifies(name, set, key->key, + &sigrdata)) { vbprintf(2, "\trrsig by %s retained\n", sigstr); keep = ISC_TRUE; - wassignedby[key->position] = ISC_TRUE; - nowsignedby[key->position] = ISC_TRUE; - key->wasused = ISC_TRUE; + wassignedby[key->index] = ISC_TRUE; + nowsignedby[key->index] = ISC_TRUE; } else { vbprintf(2, "\trrsig by %s dropped - %s\n", sigstr, expired ? "expired" : "failed to verify"); - wassignedby[key->position] = ISC_TRUE; + wassignedby[key->index] = ISC_TRUE; } } else if (!expired) { vbprintf(2, "\trrsig by %s retained\n", sigstr); @@ -533,7 +522,7 @@ signset(dns_diff_t *del, dns_diff_t *add, dns_dbnode_t *node, dns_name_t *name, } if (keep) { - nowsignedby[key->position] = ISC_TRUE; + nowsignedby[key->index] = ISC_TRUE; INCSTAT(nretained); if (sigset.ttl != ttl) { vbprintf(2, "\tfixing ttl %s\n", sigstr); @@ -568,8 +557,7 @@ signset(dns_diff_t *del, dns_diff_t *add, dns_dbnode_t *node, dns_name_t *name, signwithkey(name, set, key->key, ttl, add, "resigning with dnskey"); - nowsignedby[key->position] = ISC_TRUE; - key->wasused = ISC_TRUE; + nowsignedby[key->index] = ISC_TRUE; } dns_rdata_reset(&sigrdata); @@ -587,20 +575,37 @@ signset(dns_diff_t *del, dns_diff_t *add, dns_dbnode_t *node, dns_name_t *name, key != NULL; key = ISC_LIST_NEXT(key, link)) { - if (nowsignedby[key->position]) + if (nowsignedby[key->index]) continue; - if (!key->issigningkey) - continue; - if (!(ignoreksk || key->isdsk || - (key->isksk && - set->type == dns_rdatatype_dnskey && - dns_name_equal(name, gorigin)))) + if (!issigningkey(key)) continue; - signwithkey(name, set, key->key, ttl, add, - "signing with dnskey"); - key->wasused = ISC_TRUE; + if (set->type == dns_rdatatype_dnskey && + dns_name_equal(name, gorigin)) { + isc_boolean_t have_ksk; + dns_dnsseckey_t *tmpkey; + + have_ksk = isksk(key); + for (tmpkey = ISC_LIST_HEAD(keylist); + tmpkey != NULL; + tmpkey = ISC_LIST_NEXT(tmpkey, link)) { + if (dst_key_alg(key->key) != + dst_key_alg(tmpkey->key)) + continue; + if (REVOKE(tmpkey->key)) + continue; + if (isksk(tmpkey)) + have_ksk = ISC_TRUE; + } + if (isksk(key) || !have_ksk || + (iszsk(key) && !keyset_kskonly)) + signwithkey(name, set, key->key, ttl, add, + "signing with dnskey"); + } else if (iszsk(key)) { + signwithkey(name, set, key->key, ttl, add, + "signing with dnskey"); + } } isc_mem_put(mctx, wassignedby, arraysize * sizeof(isc_boolean_t)); @@ -774,16 +779,21 @@ static void opendb(const char *prefix, dns_name_t *name, dns_rdataclass_t rdclass, dns_db_t **dbp) { - char filename[256]; + char filename[PATH_MAX]; isc_buffer_t b; isc_result_t result; isc_buffer_init(&b, filename, sizeof(filename)); - if (directory != NULL) { - isc_buffer_putstr(&b, directory); - if (directory[strlen(directory) - 1] != '/') + if (dsdir != NULL) { + /* allow room for a trailing slash */ + if (strlen(dsdir) >= isc_buffer_availablelength(&b)) + fatal("path '%s' is too long", dsdir); + isc_buffer_putstr(&b, dsdir); + if (dsdir[strlen(dsdir) - 1] != '/') isc_buffer_putstr(&b, "/"); } + if (strlen(prefix) > isc_buffer_availablelength(&b)) + fatal("path '%s' is too long", dsdir); isc_buffer_putstr(&b, prefix); result = dns_name_tofilenametext(name, ISC_FALSE, &b); check_result(result, "dns_name_tofilenametext()"); @@ -798,13 +808,15 @@ opendb(const char *prefix, dns_name_t *name, dns_rdataclass_t rdclass, rdclass, 0, NULL, dbp); check_result(result, "dns_db_create()"); - result = dns_db_load(*dbp, filename); + result = dns_db_load3(*dbp, filename, inputformat, DNS_MASTER_HINT); if (result != ISC_R_SUCCESS && result != DNS_R_SEENINCLUDE) dns_db_detach(dbp); } /*% - * Loads the key set for a child zone, if there is one, and builds DS records. + * Load the DS set for a child zone, if a dsset-* file can be found. + * If not, try to find a keyset-* file from an earlier version of + * dnssec-signzone, and build DS records from that. */ static isc_result_t loadds(dns_name_t *name, isc_uint32_t ttl, dns_rdataset_t *dsset) { @@ -818,29 +830,49 @@ loadds(dns_name_t *name, isc_uint32_t ttl, dns_rdataset_t *dsset) { dns_diff_t diff; dns_difftuple_t *tuple = NULL; + opendb("dsset-", name, gclass, &db); + if (db != NULL) { + result = dns_db_findnode(db, name, ISC_FALSE, &node); + if (result == ISC_R_SUCCESS) { + dns_rdataset_init(dsset); + result = dns_db_findrdataset(db, node, NULL, + dns_rdatatype_ds, 0, 0, + dsset, NULL); + dns_db_detachnode(db, &node); + if (result == ISC_R_SUCCESS) { + vbprintf(2, "found DS records\n"); + dsset->ttl = ttl; + dns_db_detach(&db); + return (result); + } + } + dns_db_detach(&db); + } + + /* No DS records found; try again, looking for DNSKEY records */ opendb("keyset-", name, gclass, &db); - if (db == NULL) + if (db == NULL) { return (ISC_R_NOTFOUND); + } result = dns_db_findnode(db, name, ISC_FALSE, &node); if (result != ISC_R_SUCCESS) { dns_db_detach(&db); - return (DNS_R_BADDB); + return (result); } + dns_rdataset_init(&keyset); - result = dns_db_findrdataset(db, node, NULL, dns_rdatatype_dnskey, 0, - 0, &keyset, NULL); + result = dns_db_findrdataset(db, node, NULL, dns_rdatatype_dnskey, 0, 0, + &keyset, NULL); if (result != ISC_R_SUCCESS) { dns_db_detachnode(db, &node); dns_db_detach(&db); return (result); } - vbprintf(2, "found DNSKEY records\n"); result = dns_db_newversion(db, &ver); check_result(result, "dns_db_newversion"); - dns_diff_init(mctx, &diff); for (result = dns_rdataset_first(&keyset); @@ -869,6 +901,7 @@ loadds(dns_name_t *name, isc_uint32_t ttl, dns_rdataset_t *dsset) { check_result(result, "dns_difftuple_create"); dns_diff_append(&diff, &tuple); } + result = dns_diff_apply(&diff, db, ver); check_result(result, "dns_diff_apply"); dns_diff_clear(&diff); @@ -1112,17 +1145,15 @@ active_node(dns_dbnode_t *node) { } /*% - * Extracts the TTL from the SOA. + * Extracts the minimum TTL from the SOA record, and the SOA record's TTL. */ -static dns_ttl_t -soattl(void) { +static void +get_soa_ttls(void) { dns_rdataset_t soaset; dns_fixedname_t fname; dns_name_t *name; isc_result_t result; - dns_ttl_t ttl; dns_rdata_t rdata = DNS_RDATA_INIT; - dns_rdata_soa_t soa; dns_fixedname_init(&fname); name = dns_fixedname_name(&fname); @@ -1136,11 +1167,9 @@ soattl(void) { result = dns_rdataset_first(&soaset); check_result(result, "dns_rdataset_first"); dns_rdataset_current(&soaset, &rdata); - result = dns_rdata_tostruct(&rdata, &soa, NULL); - check_result(result, "dns_rdata_tostruct"); - ttl = soa.minimum; + zone_soa_min_ttl = dns_soa_getminimum(&rdata); + soa_ttl = soaset.ttl; dns_rdataset_disassociate(&soaset); - return (ttl); } /*% @@ -1371,7 +1400,7 @@ verifyset(dns_rdataset_t *rdataset, dns_name_t *name, dns_dbnode_t *node, for (i = 0; i < 256; i++) if ((ksk_algorithms[i] != 0) && (set_algorithms[i] == 0)) { - alg_format(i, algbuf, sizeof(algbuf)); + dns_secalg_format(i, algbuf, sizeof(algbuf)); fprintf(stderr, "Missing %s signature for " "%s %s\n", algbuf, namebuf, typebuf); bad_algorithms[i] = 1; @@ -1414,8 +1443,8 @@ verifynode(dns_name_t *name, dns_dbnode_t *node, isc_boolean_t delegation, /*% * Verify that certain things are sane: * - * The apex has a DNSKEY record with at least one KSK and at least - * one ZSK. + * The apex has a DNSKEY record with at least one KSK, and at least + * one ZSK if the -x flag was not used. * * The DNSKEY record was signed with at least one of the KSKs in this * set. @@ -1440,8 +1469,10 @@ verifyzone(void) { isc_boolean_t goodksk = ISC_FALSE; isc_boolean_t goodzsk = ISC_FALSE; isc_result_t result; - unsigned char revoked[256]; - unsigned char standby[256]; + unsigned char revoked_ksk[256]; + unsigned char revoked_zsk[256]; + unsigned char standby_ksk[256]; + unsigned char standby_zsk[256]; unsigned char ksk_algorithms[256]; unsigned char zsk_algorithms[256]; unsigned char bad_algorithms[256]; @@ -1470,8 +1501,10 @@ verifyzone(void) { if (!dns_rdataset_isassociated(&sigrdataset)) fatal("cannot find DNSKEY RRSIGs\n"); - memset(revoked, 0, sizeof(revoked)); - memset(standby, 0, sizeof(revoked)); + memset(revoked_ksk, 0, sizeof(revoked_ksk)); + memset(revoked_zsk, 0, sizeof(revoked_zsk)); + memset(standby_ksk, 0, sizeof(standby_ksk)); + memset(standby_zsk, 0, sizeof(standby_zsk)); memset(ksk_algorithms, 0, sizeof(ksk_algorithms)); memset(zsk_algorithms, 0, sizeof(zsk_algorithms)); memset(bad_algorithms, 0, sizeof(bad_algorithms)); @@ -1480,8 +1513,9 @@ verifyzone(void) { #endif /* - * Check that the DNSKEY RR has at least one self signing KSK and - * one ZSK per algorithm in it. + * Check that the DNSKEY RR has at least one self signing KSK + * and one ZSK per algorithm in it (or, if -x was used, one + * self-signing KSK). */ for (result = dns_rdataset_first(&rdataset); result == ISC_R_SUCCESS; @@ -1511,8 +1545,11 @@ verifyzone(void) { (int)isc_buffer_usedlength(&buf), buffer); } if ((dnskey.flags & DNS_KEYFLAG_KSK) != 0 && - revoked[dnskey.algorithm] != 255) - revoked[dnskey.algorithm]++; + revoked_ksk[dnskey.algorithm] != 255) + revoked_ksk[dnskey.algorithm]++; + else if ((dnskey.flags & DNS_KEYFLAG_KSK) == 0 && + revoked_zsk[dnskey.algorithm] != 255) + revoked_zsk[dnskey.algorithm]++; } else if ((dnskey.flags & DNS_KEYFLAG_KSK) != 0) { if (dns_dnssec_selfsigns(&rdata, gorigin, &rdataset, &sigrdataset, ISC_FALSE, mctx)) { @@ -1520,8 +1557,8 @@ verifyzone(void) { ksk_algorithms[dnskey.algorithm]++; goodksk = ISC_TRUE; } else { - if (standby[dnskey.algorithm] != 255) - standby[dnskey.algorithm]++; + if (standby_ksk[dnskey.algorithm] != 255) + standby_ksk[dnskey.algorithm]++; } } else if (dns_dnssec_selfsigns(&rdata, gorigin, &rdataset, &sigrdataset, ISC_FALSE, @@ -1534,8 +1571,8 @@ verifyzone(void) { zsk_algorithms[dnskey.algorithm]++; goodzsk = ISC_TRUE; } else { - if (zsk_algorithms[dnskey.algorithm] != 255) - zsk_algorithms[dnskey.algorithm]++; + if (standby_zsk[dnskey.algorithm] != 255) + standby_zsk[dnskey.algorithm]++; #ifdef ALLOW_KSKLESS_ZONES allzsksigned = ISC_FALSE; #endif @@ -1545,42 +1582,54 @@ verifyzone(void) { } dns_rdataset_disassociate(&sigrdataset); - if (!goodksk) { #ifdef ALLOW_KSKLESS_ZONES - if (!goodzsk) - fatal("no self signing keys found"); - fprintf(stderr, "No self signing KSK found. Using self signed " - "ZSK's for active algorithm list.\n"); + if (!goodksk) { + if (!ignore_kskflag) + fprintf(stderr, "No self signing KSK found. Using " + "self signed ZSK's for active " + "algorithm list.\n"); memcpy(ksk_algorithms, self_algorithms, sizeof(ksk_algorithms)); if (!allzsksigned) fprintf(stderr, "warning: not all ZSK's are self " "signed.\n"); + } #else + if (!goodksk) { fatal("no self signed KSK's found"); -#endif } +#endif fprintf(stderr, "Verifying the zone using the following algorithms:"); for (i = 0; i < 256; i++) { - if (ksk_algorithms[i] != 0) { - alg_format(i, algbuf, sizeof(algbuf)); +#ifdef ALLOW_KSKLESS_ZONES + if (ksk_algorithms[i] != 0 || zsk_algorithms[i] != 0) +#else + if (ksk_algorithms[i] != 0) +#endif + { + dns_secalg_format(i, algbuf, sizeof(algbuf)); fprintf(stderr, " %s", algbuf); } } fprintf(stderr, ".\n"); - for (i = 0; i < 256; i++) { - /* - * The counts should both be zero or both be non-zero. - * Mark the algorithm as bad if this is not met. - */ - if ((ksk_algorithms[i] != 0) == (zsk_algorithms[i] != 0)) - continue; - alg_format(i, algbuf, sizeof(algbuf)); - fprintf(stderr, "Missing %s for algorithm %s\n", - (ksk_algorithms[i] != 0) ? "ZSK" : "self signing KSK", - algbuf); - bad_algorithms[i] = 1; + if (!ignore_kskflag && !keyset_kskonly) { + for (i = 0; i < 256; i++) { + /* + * The counts should both be zero or both be non-zero. + * Mark the algorithm as bad if this is not met. + */ + if ((ksk_algorithms[i] != 0) == + (zsk_algorithms[i] != 0)) + continue; + dns_secalg_format(i, algbuf, sizeof(algbuf)); + fprintf(stderr, "Missing %s for algorithm %s\n", + (ksk_algorithms[i] != 0) + ? "ZSK" + : "self signing KSK", + algbuf); + bad_algorithms[i] = 1; + } } /* @@ -1674,7 +1723,7 @@ verifyzone(void) { if (first) fprintf(stderr, "The zone is not fully signed " "for the following algorithms:"); - alg_format(i, algbuf, sizeof(algbuf)); + dns_secalg_format(i, algbuf, sizeof(algbuf)); fprintf(stderr, " %s", algbuf); first = ISC_FALSE; } @@ -1684,21 +1733,30 @@ verifyzone(void) { fatal("DNSSEC completeness test failed."); } - if (goodksk) { + if (goodksk || ignore_kskflag) { /* * Print the success summary. */ fprintf(stderr, "Zone signing complete:\n"); for (i = 0; i < 256; i++) { - if ((zsk_algorithms[i] != 0) || - (ksk_algorithms[i] != 0) || - (revoked[i] != 0) || (standby[i] != 0)) { - alg_format(i, algbuf, sizeof(algbuf)); - fprintf(stderr, "Algorithm: %s: ZSKs: %u, " - "KSKs: %u active, %u revoked, %u " - "stand-by\n", algbuf, - zsk_algorithms[i], ksk_algorithms[i], - revoked[i], standby[i]); + if ((ksk_algorithms[i] != 0) || + (standby_ksk[i] != 0) || + (revoked_zsk[i] != 0) || + (zsk_algorithms[i] != 0) || + (standby_zsk[i] != 0) || + (revoked_zsk[i] != 0)) { + dns_secalg_format(i, algbuf, sizeof(algbuf)); + fprintf(stderr, "Algorithm: %s: KSKs: " + "%u active, %u stand-by, %u revoked\n", + algbuf, ksk_algorithms[i], + standby_ksk[i], revoked_ksk[i]); + fprintf(stderr, "%*sZSKs: " + "%u active, %u %s, %u revoked\n", + (int) strlen(algbuf) + 13, "", + zsk_algorithms[i], + standby_zsk[i], + keyset_kskonly ? "present" : "stand-by", + revoked_zsk[i]); } } } @@ -1923,6 +1981,7 @@ add_ds(dns_name_t *name, dns_dbnode_t *node, isc_uint32_t nsttl) { dns_rdatatype_ds, 0); check_result(result, "dns_db_deleterdataset"); } + result = loadds(name, nsttl, &dsset); if (result == ISC_R_SUCCESS) { result = dns_db_addrdataset(gdb, node, gversion, 0, @@ -1953,7 +2012,7 @@ remove_records(dns_dbnode_t *node, dns_rdatatype_t which) { dns_rdataset_init(&rdataset); /* - * Delete any NSEC records at the apex. + * Delete any records of the given type at the apex. */ result = dns_db_allrdatasets(gdb, node, gversion, 0, &rdsiter); check_result(result, "dns_db_allrdatasets()"); @@ -1965,6 +2024,12 @@ remove_records(dns_dbnode_t *node, dns_rdatatype_t which) { covers = rdataset.covers; dns_rdataset_disassociate(&rdataset); if (type == which || covers == which) { + if (which == dns_rdatatype_nsec && !update_chain) + fatal("Zone contains NSEC records. Use -u " + "to update to NSEC3."); + if (which == dns_rdatatype_nsec3param && !update_chain) + fatal("Zone contains NSEC3 chains. Use -u " + "to update to NSEC."); result = dns_db_deleterdataset(gdb, node, gversion, type, covers); check_result(result, "dns_db_deleterdataset()"); @@ -2088,8 +2153,9 @@ nsecify(void) { } else if (result != ISC_R_SUCCESS) fatal("iterating through the database failed: %s", isc_result_totext(result)); + dns_dbiterator_pause(dbiter); result = dns_nsec_build(gdb, gversion, node, nextname, - zonettl); + zone_soa_min_ttl); check_result(result, "dns_nsec_build()"); dns_db_detachnode(gdb, &node); } @@ -2320,6 +2386,97 @@ nsec3clean(dns_name_t *name, dns_dbnode_t *node, check_result(result, "dns_db_deleterdataset(RRSIG(NSEC3))"); } +static void +rrset_remove_duplicates(dns_name_t *name, dns_rdataset_t *rdataset, + dns_diff_t *diff) +{ + dns_difftuple_t *tuple = NULL; + isc_result_t result; + unsigned int count1 = 0; + dns_rdataset_t tmprdataset; + + dns_rdataset_init(&tmprdataset); + for (result = dns_rdataset_first(rdataset); + result == ISC_R_SUCCESS; + result = dns_rdataset_next(rdataset)) { + dns_rdata_t rdata1 = DNS_RDATA_INIT; + unsigned int count2 = 0; + + count1++; + dns_rdataset_current(rdataset, &rdata1); + dns_rdataset_clone(rdataset, &tmprdataset); + for (result = dns_rdataset_first(&tmprdataset); + result == ISC_R_SUCCESS; + result = dns_rdataset_next(&tmprdataset)) { + dns_rdata_t rdata2 = DNS_RDATA_INIT; + count2++; + if (count1 >= count2) + continue; + dns_rdataset_current(&tmprdataset, &rdata2); + if (dns_rdata_casecompare(&rdata1, &rdata2) == 0) { + result = dns_difftuple_create(mctx, + DNS_DIFFOP_DEL, + name, + rdataset->ttl, + &rdata2, &tuple); + check_result(result, "dns_difftuple_create"); + dns_diff_append(diff, &tuple); + } + } + dns_rdataset_disassociate(&tmprdataset); + } +} + +static void +remove_duplicates(void) { + isc_result_t result; + dns_dbiterator_t *dbiter = NULL; + dns_rdatasetiter_t *rdsiter = NULL; + dns_diff_t diff; + dns_dbnode_t *node = NULL; + dns_rdataset_t rdataset; + dns_fixedname_t fname; + dns_name_t *name; + + dns_diff_init(mctx, &diff); + dns_fixedname_init(&fname); + name = dns_fixedname_name(&fname); + dns_rdataset_init(&rdataset); + + result = dns_db_createiterator(gdb, 0, &dbiter); + check_result(result, "dns_db_createiterator()"); + + for (result = dns_dbiterator_first(dbiter); + result == ISC_R_SUCCESS; + result = dns_dbiterator_next(dbiter)) { + + result = dns_dbiterator_current(dbiter, &node, name); + check_dns_dbiterator_current(result); + result = dns_db_allrdatasets(gdb, node, gversion, 0, &rdsiter); + check_result(result, "dns_db_allrdatasets()"); + for (result = dns_rdatasetiter_first(rdsiter); + result == ISC_R_SUCCESS; + result = dns_rdatasetiter_next(rdsiter)) { + dns_rdatasetiter_current(rdsiter, &rdataset); + rrset_remove_duplicates(name, &rdataset, &diff); + dns_rdataset_disassociate(&rdataset); + } + if (result != ISC_R_NOMORE) + fatal("rdatasets iteration failed."); + dns_rdatasetiter_destroy(&rdsiter); + dns_db_detachnode(gdb, &node); + } + if (result != ISC_R_NOMORE) + fatal("zone iteration failed."); + + if (!ISC_LIST_EMPTY(diff.tuples)) { + result = dns_diff_applysilently(&diff, gdb, gversion); + check_result(result, "dns_diff_applysilently"); + } + dns_diff_clear(&diff); + dns_dbiterator_destroy(&dbiter); +} + /* * Generate NSEC3 records for the zone. */ @@ -2546,7 +2703,7 @@ nsec3ify(unsigned int hashalg, unsigned int iterations, */ dns_dbiterator_pause(dbiter); addnsec3(name, node, salt, salt_length, iterations, - hashlist, zonettl); + hashlist, zone_soa_min_ttl); dns_db_detachnode(gdb, &node); /* * Add NSEC3's for empty nodes. Use closest encloser logic. @@ -2557,7 +2714,7 @@ nsec3ify(unsigned int hashalg, unsigned int iterations, count--; dns_name_split(nextname, count, NULL, nextname); addnsec3(nextname, NULL, salt, salt_length, - iterations, hashlist, zonettl); + iterations, hashlist, zone_soa_min_ttl); } } dns_dbiterator_destroy(&dbiter); @@ -2580,7 +2737,7 @@ loadzone(char *file, char *origin, dns_rdataclass_t rdclass, dns_db_t **db) { dns_fixedname_init(&fname); name = dns_fixedname_name(&fname); - result = dns_name_fromtext(name, &b, dns_rootname, ISC_FALSE, NULL); + result = dns_name_fromtext(name, &b, dns_rootname, 0, NULL); if (result != ISC_R_SUCCESS) fatal("failed converting name '%s' to dns format: %s", origin, isc_result_totext(result)); @@ -2600,90 +2757,169 @@ loadzone(char *file, char *origin, dns_rdataclass_t rdclass, dns_db_t **db) { * private keys from disk. */ static void -loadzonekeys(dns_db_t *db) { +loadzonekeys(isc_boolean_t preserve_keys, isc_boolean_t load_public) { dns_dbnode_t *node; - dns_dbversion_t *currentversion; + dns_dbversion_t *currentversion = NULL; isc_result_t result; - dst_key_t *keys[20]; - unsigned int nkeys, i; - - currentversion = NULL; - dns_db_currentversion(db, ¤tversion); + dns_rdataset_t rdataset, keysigs, soasigs; node = NULL; - result = dns_db_findnode(db, gorigin, ISC_FALSE, &node); + result = dns_db_findnode(gdb, gorigin, ISC_FALSE, &node); if (result != ISC_R_SUCCESS) fatal("failed to find the zone's origin: %s", isc_result_totext(result)); - result = dns_dnssec_findzonekeys(db, currentversion, node, gorigin, - mctx, 20, keys, &nkeys); - if (result == ISC_R_NOTFOUND) - result = ISC_R_SUCCESS; + dns_db_currentversion(gdb, ¤tversion); + + dns_rdataset_init(&rdataset); + dns_rdataset_init(&soasigs); + dns_rdataset_init(&keysigs); + + /* Make note of the keys which signed the SOA, if any */ + result = dns_db_findrdataset(gdb, node, currentversion, + dns_rdatatype_soa, 0, 0, + &rdataset, &soasigs); + if (result != ISC_R_SUCCESS) + goto cleanup; + + /* Preserve the TTL of the DNSKEY RRset, if any */ + dns_rdataset_disassociate(&rdataset); + result = dns_db_findrdataset(gdb, node, currentversion, + dns_rdatatype_dnskey, 0, 0, + &rdataset, &keysigs); + if (result != ISC_R_SUCCESS) - fatal("failed to find the zone keys: %s", + goto cleanup; + + if (set_keyttl && keyttl != rdataset.ttl) { + fprintf(stderr, "User-specified TTL (%d) conflicts " + "with existing DNSKEY RRset TTL.\n", + keyttl); + fprintf(stderr, "Imported keys will use the RRSet " + "TTL (%d) instead.\n", + rdataset.ttl); + } + keyttl = rdataset.ttl; + + /* Load keys corresponding to the existing DNSKEY RRset */ + result = dns_dnssec_keylistfromrdataset(gorigin, directory, mctx, + &rdataset, &keysigs, &soasigs, + preserve_keys, load_public, + &keylist); + if (result != ISC_R_SUCCESS) + fatal("failed to load the zone keys: %s", isc_result_totext(result)); - for (i = 0; i < nkeys; i++) { - signer_key_t *key; + cleanup: + if (dns_rdataset_isassociated(&rdataset)) + dns_rdataset_disassociate(&rdataset); + if (dns_rdataset_isassociated(&keysigs)) + dns_rdataset_disassociate(&keysigs); + if (dns_rdataset_isassociated(&soasigs)) + dns_rdataset_disassociate(&soasigs); + dns_db_detachnode(gdb, &node); + dns_db_closeversion(gdb, ¤tversion, ISC_FALSE); +} + +static void +loadexplicitkeys(char *keyfiles[], int n, isc_boolean_t setksk) { + isc_result_t result; + int i; + + for (i = 0; i < n; i++) { + dns_dnsseckey_t *key = NULL; + dst_key_t *newkey = NULL; + + result = dst_key_fromnamedfile(keyfiles[i], directory, + DST_TYPE_PUBLIC | + DST_TYPE_PRIVATE, + mctx, &newkey); + if (result != ISC_R_SUCCESS) + fatal("cannot load dnskey %s: %s", keyfiles[i], + isc_result_totext(result)); + + if (!dns_name_equal(gorigin, dst_key_name(newkey))) + fatal("key %s not at origin\n", keyfiles[i]); + + if (!dst_key_isprivate(newkey)) + fatal("cannot sign zone with non-private dnskey %s", + keyfiles[i]); + + /* Skip any duplicates */ + for (key = ISC_LIST_HEAD(keylist); + key != NULL; + key = ISC_LIST_NEXT(key, link)) { + if (dst_key_id(key->key) == dst_key_id(newkey) && + dst_key_alg(key->key) == dst_key_alg(newkey)) + break; + } + + if (key == NULL) { + /* We haven't seen this key before */ + dns_dnsseckey_create(mctx, &newkey, &key); + ISC_LIST_APPEND(keylist, key, link); + key->source = dns_keysource_user; + } else { + dst_key_free(&key->key); + key->key = newkey; + } + + key->force_publish = ISC_TRUE; + key->force_sign = ISC_TRUE; - key = newkeystruct(keys[i], dst_key_isprivate(keys[i])); - ISC_LIST_APPEND(keylist, key, link); + if (setksk) + key->ksk = ISC_TRUE; } - dns_db_detachnode(db, &node); - dns_db_closeversion(db, ¤tversion, ISC_FALSE); } -/*% - * Finds all public zone keys in the zone. - */ static void -loadzonepubkeys(dns_db_t *db) { - dns_dbversion_t *currentversion = NULL; - dns_dbnode_t *node = NULL; - dns_rdataset_t rdataset; - dns_rdata_t rdata = DNS_RDATA_INIT; - dst_key_t *pubkey; - signer_key_t *key; +report(const char *format, ...) { + va_list args; + va_start(args, format); + vfprintf(stderr, format, args); + va_end(args); + putc('\n', stderr); +} + +static void +build_final_keylist() { isc_result_t result; + dns_dbversion_t *ver = NULL; + dns_diff_t diff; + dns_dnsseckeylist_t matchkeys; + char name[DNS_NAME_FORMATSIZE]; - dns_db_currentversion(db, ¤tversion); + /* + * Find keys that match this zone in the key repository. + */ + ISC_LIST_INIT(matchkeys); + result = dns_dnssec_findmatchingkeys(gorigin, directory, + mctx, &matchkeys); + if (result == ISC_R_NOTFOUND) + result = ISC_R_SUCCESS; + check_result(result, "dns_dnssec_findmatchingkeys"); - result = dns_db_findnode(db, gorigin, ISC_FALSE, &node); - if (result != ISC_R_SUCCESS) - fatal("failed to find the zone's origin: %s", - isc_result_totext(result)); + result = dns_db_newversion(gdb, &ver); + check_result(result, "dns_db_newversion"); - dns_rdataset_init(&rdataset); - result = dns_db_findrdataset(db, node, currentversion, - dns_rdatatype_dnskey, 0, 0, &rdataset, - NULL); + dns_diff_init(mctx, &diff); + + /* + * Update keylist with information from from the key repository. + */ + dns_dnssec_updatekeys(&keylist, &matchkeys, NULL, gorigin, keyttl, + &diff, ignore_kskflag, mctx, report); + + dns_name_format(gorigin, name, sizeof(name)); + + result = dns_diff_applysilently(&diff, gdb, ver); if (result != ISC_R_SUCCESS) - fatal("failed to find keys at the zone apex: %s", - isc_result_totext(result)); - result = dns_rdataset_first(&rdataset); - check_result(result, "dns_rdataset_first"); - while (result == ISC_R_SUCCESS) { - pubkey = NULL; - dns_rdata_reset(&rdata); - dns_rdataset_current(&rdataset, &rdata); - result = dns_dnssec_keyfromrdata(gorigin, &rdata, mctx, - &pubkey); - if (result != ISC_R_SUCCESS) - goto next; - if (!dst_key_iszonekey(pubkey)) { - dst_key_free(&pubkey); - goto next; - } + fatal("failed to update DNSKEY RRset at node '%s': %s", + name, isc_result_totext(result)); - key = newkeystruct(pubkey, ISC_FALSE); - ISC_LIST_APPEND(keylist, key, link); - next: - result = dns_rdataset_next(&rdataset); - } - dns_rdataset_disassociate(&rdataset); - dns_db_detachnode(db, &node); - dns_db_closeversion(db, ¤tversion, ISC_FALSE); + dns_db_closeversion(gdb, &ver, ISC_TRUE); + + dns_diff_clear(&diff); } static void @@ -2727,18 +2963,112 @@ warnifallksk(dns_db_t *db) { dns_rdataset_disassociate(&rdataset); dns_db_detachnode(db, &node); dns_db_closeversion(db, ¤tversion, ISC_FALSE); - if (!have_non_ksk && !ignoreksk) { + if (!have_non_ksk && !ignore_kskflag) { if (disable_zone_check) - fprintf(stderr, "%s: warning: No non-KSK dnskey found. " - "Supply non-KSK dnskey or use '-z'.\n", + fprintf(stderr, "%s: warning: No non-KSK DNSKEY found; " + "supply a ZSK or use '-z'.\n", program); else - fatal("No non-KSK dnskey found. " - "Supply non-KSK dnskey or use '-z'."); + fatal("No non-KSK DNSKEY found; " + "supply a ZSK or use '-z'."); } } static void +set_nsec3params(isc_boolean_t update_chain, isc_boolean_t set_salt, + isc_boolean_t set_optout, isc_boolean_t set_iter) +{ + isc_result_t result; + dns_dbversion_t *ver = NULL; + dns_dbnode_t *node = NULL; + dns_rdataset_t rdataset; + dns_rdata_t rdata = DNS_RDATA_INIT; + dns_rdata_nsec3_t nsec3; + dns_fixedname_t fname; + dns_name_t *hashname; + unsigned char orig_salt[256]; + size_t orig_saltlen; + dns_hash_t orig_hash; + isc_uint16_t orig_iter; + + dns_db_currentversion(gdb, &ver); + dns_rdataset_init(&rdataset); + + orig_saltlen = sizeof(orig_salt); + result = dns_db_getnsec3parameters(gdb, ver, &orig_hash, NULL, + &orig_iter, orig_salt, + &orig_saltlen); + if (result != ISC_R_SUCCESS) + goto cleanup; + + nsec_datatype = dns_rdatatype_nsec3; + + if (!update_chain && set_salt) { + if (salt_length != orig_saltlen || + memcmp(saltbuf, orig_salt, salt_length) != 0) + fatal("An NSEC3 chain exists with a different salt. " + "Use -u to update it."); + } else if (!set_salt) { + salt_length = orig_saltlen; + memcpy(saltbuf, orig_salt, orig_saltlen); + salt = saltbuf; + } + + if (!update_chain && set_iter) { + if (nsec3iter != orig_iter) + fatal("An NSEC3 chain exists with different " + "iterations. Use -u to update it."); + } else if (!set_iter) + nsec3iter = orig_iter; + + /* + * Find an NSEC3 record to get the current OPTOUT value. + * (This assumes all NSEC3 records agree.) + */ + + dns_fixedname_init(&fname); + hashname = dns_fixedname_name(&fname); + result = dns_nsec3_hashname(&fname, NULL, NULL, + gorigin, gorigin, dns_hash_sha1, + orig_iter, orig_salt, orig_saltlen); + check_result(result, "dns_nsec3_hashname"); + + result = dns_db_findnsec3node(gdb, hashname, ISC_FALSE, &node); + if (result != ISC_R_SUCCESS) + goto cleanup; + + result = dns_db_findrdataset(gdb, node, ver, dns_rdatatype_nsec3, + 0, 0, &rdataset, NULL); + if (result != ISC_R_SUCCESS) + goto cleanup; + + result = dns_rdataset_first(&rdataset); + check_result(result, "dns_rdataset_first"); + dns_rdataset_current(&rdataset, &rdata); + result = dns_rdata_tostruct(&rdata, &nsec3, NULL); + check_result(result, "dns_rdata_tostruct"); + + if (!update_chain && set_optout) { + if (nsec3flags != nsec3.flags) + fatal("An NSEC3 chain exists with%s OPTOUT. " + "Use -u -%s to %s it.", + OPTOUT(nsec3.flags) ? "" : "out", + OPTOUT(nsec3.flags) ? "AA" : "A", + OPTOUT(nsec3.flags) ? "clear" : "set"); + } else if (!set_optout) + nsec3flags = nsec3.flags; + + dns_rdata_freestruct(&nsec3); + + cleanup: + if (dns_rdataset_isassociated(&rdataset)) + dns_rdataset_disassociate(&rdataset); + if (node != NULL) + dns_db_detachnode(gdb, &node); + dns_db_closeversion(gdb, &ver, ISC_FALSE); +} + +static void writeset(const char *prefix, dns_rdatatype_t type) { char *filename; char namestr[DNS_NAME_FORMATSIZE]; @@ -2755,7 +3085,7 @@ writeset(const char *prefix, dns_rdatatype_t type) { isc_buffer_t namebuf; isc_region_t r; isc_result_t result; - signer_key_t *key; + dns_dnsseckey_t *key, *tmpkey; unsigned char dsbuf[DNS_DS_BUFFERSIZE]; unsigned char keybuf[DST_KEY_MAXSIZE]; unsigned int filenamelen; @@ -2767,13 +3097,13 @@ writeset(const char *prefix, dns_rdatatype_t type) { check_result(result, "dns_name_tofilenametext"); isc_buffer_putuint8(&namebuf, 0); filenamelen = strlen(prefix) + strlen(namestr); - if (directory != NULL) - filenamelen += strlen(directory) + 1; + if (dsdir != NULL) + filenamelen += strlen(dsdir) + 1; filename = isc_mem_get(mctx, filenamelen + 1); if (filename == NULL) fatal("out of memory"); - if (directory != NULL) - sprintf(filename, "%s/", directory); + if (dsdir != NULL) + sprintf(filename, "%s/", dsdir); else filename[0] = 0; strcat(filename, prefix); @@ -2781,22 +3111,6 @@ writeset(const char *prefix, dns_rdatatype_t type) { dns_diff_init(mctx, &diff); - for (key = ISC_LIST_HEAD(keylist); - key != NULL; - key = ISC_LIST_NEXT(key, link)) - if (!key->isksk) { - have_non_ksk = ISC_TRUE; - break; - } - - for (key = ISC_LIST_HEAD(keylist); - key != NULL; - key = ISC_LIST_NEXT(key, link)) - if (key->isksk) { - have_ksk = ISC_TRUE; - break; - } - if (type == dns_rdatatype_dlv) { dns_name_t tname; unsigned int labels; @@ -2815,7 +3129,28 @@ writeset(const char *prefix, dns_rdatatype_t type) { key != NULL; key = ISC_LIST_NEXT(key, link)) { - if (have_ksk && have_non_ksk && !key->isksk) + if (REVOKE(key->key)) + continue; + if (isksk(key)) { + have_ksk = ISC_TRUE; + have_non_ksk = ISC_FALSE; + } else { + have_ksk = ISC_FALSE; + have_non_ksk = ISC_TRUE; + } + for (tmpkey = ISC_LIST_HEAD(keylist); + tmpkey != NULL; + tmpkey = ISC_LIST_NEXT(tmpkey, link)) { + if (dst_key_alg(key->key) != dst_key_alg(tmpkey->key)) + continue; + if (REVOKE(tmpkey->key)) + continue; + if (isksk(tmpkey)) + have_ksk = ISC_TRUE; + else + have_non_ksk = ISC_TRUE; + } + if (have_ksk && have_non_ksk && !isksk(key)) continue; dns_rdata_init(&rdata); dns_rdata_init(&ds); @@ -2848,7 +3183,7 @@ writeset(const char *prefix, dns_rdatatype_t type) { } else result = dns_difftuple_create(mctx, DNS_DIFFOP_ADD, - gorigin, zonettl, + gorigin, zone_soa_min_ttl, &rdata, &tuple); check_result(result, "dns_difftuple_create"); dns_diff_append(&diff, &tuple); @@ -2893,6 +3228,9 @@ print_version(FILE *fp) { fprintf(fp, "; dnssec_signzone version " VERSION "\n"); } +ISC_PLATFORM_NORETURN_PRE static void +usage(void) ISC_PLATFORM_NORETURN_POST; + static void usage(void) { fprintf(stderr, "Usage:\n"); @@ -2903,14 +3241,18 @@ usage(void) { fprintf(stderr, "Version: %s\n", VERSION); fprintf(stderr, "Options: (default value in parenthesis) \n"); - fprintf(stderr, "\t-c class (IN)\n"); - fprintf(stderr, "\t-d directory\n"); - fprintf(stderr, "\t\tdirectory to find keyset files (.)\n"); + fprintf(stderr, "\t-S:\tsmart signing: automatically finds key files\n" + "\t\tfor the zone and determines how they are to " + "be used\n"); + fprintf(stderr, "\t-K directory:\n"); + fprintf(stderr, "\t\tdirectory to find key files (.)\n"); + fprintf(stderr, "\t-d directory:\n"); + fprintf(stderr, "\t\tdirectory to find dsset-* files (.)\n"); fprintf(stderr, "\t-g:\t"); - fprintf(stderr, "generate DS records from keyset files\n"); + fprintf(stderr, "update DS records based on child zones' " + "dsset-* files\n"); fprintf(stderr, "\t-s [YYYYMMDDHHMMSS|+offset]:\n"); - fprintf(stderr, "\t\tRRSIG start time - absolute|offset " - "(now - 1 hour)\n"); + fprintf(stderr, "\t\tRRSIG start time - absolute|offset (now - 1 hour)\n"); fprintf(stderr, "\t-e [YYYYMMDDHHMMSS|+offset|\"now\"+offset]:\n"); fprintf(stderr, "\t\tRRSIG end time - absolute|from start|from now " "(now + 30 days)\n"); @@ -2918,8 +3260,7 @@ usage(void) { fprintf(stderr, "\t\tcycle interval - resign " "if < interval from end ( (end-start)/4 )\n"); fprintf(stderr, "\t-j jitter:\n"); - fprintf(stderr, "\t\trandomize signature end time up to jitter " - "seconds\n"); + fprintf(stderr, "\t\trandomize signature end time up to jitter seconds\n"); fprintf(stderr, "\t-v debuglevel (0)\n"); fprintf(stderr, "\t-o origin:\n"); fprintf(stderr, "\t\tzone origin (name of zonefile)\n"); @@ -2936,20 +3277,33 @@ usage(void) { fprintf(stderr, "\t\ta file containing random data\n"); fprintf(stderr, "\t-a:\t"); fprintf(stderr, "verify generated signatures\n"); + fprintf(stderr, "\t-c class (IN)\n"); + fprintf(stderr, "\t-E engine:\n"); +#ifdef USE_PKCS11 + fprintf(stderr, "\t\tname of an OpenSSL engine to use " + "(default is \"pkcs11\")\n"); +#else + fprintf(stderr, "\t\tname of an OpenSSL engine to use\n"); +#endif fprintf(stderr, "\t-p:\t"); fprintf(stderr, "use pseudorandom data (faster but less secure)\n"); fprintf(stderr, "\t-P:\t"); fprintf(stderr, "disable post-sign verification\n"); + fprintf(stderr, "\t-T TTL:\tTTL for newly added DNSKEYs\n"); fprintf(stderr, "\t-t:\t"); fprintf(stderr, "print statistics\n"); + fprintf(stderr, "\t-u:\t"); + fprintf(stderr, "update or replace an existing NSEC/NSEC3 chain\n"); + fprintf(stderr, "\t-x:\tsign DNSKEY record with KSKs only, not ZSKs\n"); + fprintf(stderr, "\t-z:\tsign all records with KSKs\n"); + fprintf(stderr, "\t-C:\tgenerate a keyset file, for compatibility\n" + "\t\twith older versions of dnssec-signzone -g\n"); fprintf(stderr, "\t-n ncpus (number of cpus present)\n"); fprintf(stderr, "\t-k key_signing_key\n"); fprintf(stderr, "\t-l lookasidezone\n"); - fprintf(stderr, "\t-3 salt (NSEC3 salt)\n"); - fprintf(stderr, "\t-H iterations (NSEC3 iterations)\n"); - fprintf(stderr, "\t-A (NSEC3 optout)\n"); - fprintf(stderr, "\t-z:\t"); - fprintf(stderr, "ignore KSK flag in DNSKEYs"); + fprintf(stderr, "\t-3 NSEC3 salt\n"); + fprintf(stderr, "\t-H NSEC3 iterations (10)\n"); + fprintf(stderr, "\t-A NSEC3 optout\n"); fprintf(stderr, "\n"); @@ -3001,10 +3355,15 @@ main(int argc, char *argv[]) { int ndskeys = 0; char *endp; isc_time_t timer_start, timer_finish; - signer_key_t *key; + dns_dnsseckey_t *key; isc_result_t result; isc_log_t *log = NULL; isc_boolean_t pseudorandom = ISC_FALSE; +#ifdef USE_PKCS11 + const char *engine = "pkcs11"; +#else + const char *engine = NULL; +#endif unsigned int eflags; isc_boolean_t free_output = ISC_FALSE; int tempfilelen; @@ -3012,13 +3371,15 @@ main(int argc, char *argv[]) { isc_task_t **tasks = NULL; isc_buffer_t b; int len; - unsigned int iterations = 100U; - const unsigned char *salt = NULL; - size_t salt_length = 0; - unsigned char saltbuf[255]; hashlist_t hashlist; + isc_boolean_t smartsign = ISC_FALSE; + isc_boolean_t make_keyset = ISC_FALSE; + isc_boolean_t set_salt = ISC_FALSE; + isc_boolean_t set_optout = ISC_FALSE; + isc_boolean_t set_iter = ISC_FALSE; -#define CMDLINE_FLAGS "3:aAc:d:e:f:FghH:i:I:j:k:l:m:n:N:o:O:pPr:s:StUv:z" +#define CMDLINE_FLAGS \ + "3:AaCc:Dd:E:e:f:FghH:i:I:j:K:k:l:m:n:N:o:O:pPr:s:ST:tuUv:xz" /* * Process memory debugging argument first. @@ -3058,7 +3419,9 @@ main(int argc, char *argv[]) { while ((ch = isc_commandline_parse(argc, argv, CMDLINE_FLAGS)) != -1) { switch (ch) { case '3': - if (strcmp(isc_commandline_argument, "-")) { + set_salt = ISC_TRUE; + nsec_datatype = dns_rdatatype_nsec3; + if (strcmp(isc_commandline_argument, "-") != 0) { isc_buffer_t target; char *sarg; @@ -3068,29 +3431,42 @@ main(int argc, char *argv[]) { result = isc_hex_decodestring(sarg, &target); check_result(result, "isc_hex_decodestring(salt)"); - salt = saltbuf; salt_length = isc_buffer_usedlength(&target); - } else { - salt = saltbuf; - salt_length = 0; } - nsec_datatype = dns_rdatatype_nsec3; break; case 'A': - nsec3flags |= DNS_NSEC3FLAG_OPTOUT; + set_optout = ISC_TRUE; + if (OPTOUT(nsec3flags)) + nsec3flags &= ~DNS_NSEC3FLAG_OPTOUT; + else + nsec3flags |= DNS_NSEC3FLAG_OPTOUT; break; case 'a': tryverify = ISC_TRUE; break; + case 'C': + make_keyset = ISC_TRUE; + break; + case 'c': classname = isc_commandline_argument; break; case 'd': - directory = isc_commandline_argument; + dsdir = isc_commandline_argument; + if (strlen(dsdir) == 0U) + fatal("DS directory must be non-empty string"); + result = try_dir(dsdir); + if (result != ISC_R_SUCCESS) + fatal("cannot open directory %s: %s", + dsdir, isc_result_totext(result)); + break; + + case 'E': + engine = isc_commandline_argument; break; case 'e': @@ -3106,11 +3482,11 @@ main(int argc, char *argv[]) { break; case 'H': - iterations = strtoul(isc_commandline_argument, - &endp, 0); + set_iter = ISC_TRUE; + nsec3iter = strtoul(isc_commandline_argument, &endp, 0); if (*endp != '\0') fatal("iterations must be numeric"); - if (iterations > 0xffffU) + if (nsec3iter > 0xffffU) fatal("iterations too big"); break; @@ -3118,6 +3494,10 @@ main(int argc, char *argv[]) { usage(); break; + case 'I': + inputformatstr = isc_commandline_argument; + break; + case 'i': endp = NULL; cycle = strtol(isc_commandline_argument, &endp, 0); @@ -3126,10 +3506,6 @@ main(int argc, char *argv[]) { "positive"); break; - case 'I': - inputformatstr = isc_commandline_argument; - break; - case 'j': endp = NULL; jitter = strtol(isc_commandline_argument, &endp, 0); @@ -3137,6 +3513,10 @@ main(int argc, char *argv[]) { fatal("jitter must be numeric and positive"); break; + case 'K': + directory = isc_commandline_argument; + break; + case 'k': if (ndskeys == MAXDSKEYS) fatal("too many key-signing keys specified"); @@ -3150,14 +3530,18 @@ main(int argc, char *argv[]) { dns_fixedname_init(&dlv_fixed); dlv = dns_fixedname_name(&dlv_fixed); - result = dns_name_fromtext(dlv, &b, dns_rootname, - ISC_FALSE, NULL); + result = dns_name_fromtext(dlv, &b, dns_rootname, 0, + NULL); check_result(result, "dns_name_fromtext(dlv)"); break; case 'm': break; + case 'N': + serialformatstr = isc_commandline_argument; + break; + case 'n': endp = NULL; ntasks = strtol(isc_commandline_argument, &endp, 0); @@ -3165,38 +3549,38 @@ main(int argc, char *argv[]) { fatal("number of cpus must be numeric"); break; - case 'N': - serialformatstr = isc_commandline_argument; + case 'O': + outputformatstr = isc_commandline_argument; break; case 'o': origin = isc_commandline_argument; break; - case 'O': - outputformatstr = isc_commandline_argument; + case 'P': + disable_zone_check = ISC_TRUE; break; case 'p': pseudorandom = ISC_TRUE; break; - case 'P': - disable_zone_check = ISC_TRUE; - break; - case 'r': setup_entropy(mctx, isc_commandline_argument, &ectx); break; + case 'S': + smartsign = ISC_TRUE; + break; + case 's': startstr = isc_commandline_argument; break; - case 'S': - /* This is intentionally undocumented */ - /* -S: simple output style */ - masterstyle = &dns_master_style_simple; + case 'T': + endp = NULL; + set_keyttl = ISC_TRUE; + keyttl = strtottl(isc_commandline_argument); break; case 't': @@ -3207,6 +3591,10 @@ main(int argc, char *argv[]) { unknownalg = ISC_TRUE; break; + case 'u': + update_chain = ISC_TRUE; + break; + case 'v': endp = NULL; verbose = strtol(isc_commandline_argument, &endp, 0); @@ -3214,8 +3602,12 @@ main(int argc, char *argv[]) { fatal("verbose level must be numeric"); break; + case 'x': + keyset_kskonly = ISC_TRUE; + break; + case 'z': - ignoreksk = ISC_TRUE; + ignore_kskflag = ISC_TRUE; break; case 'F': @@ -3245,20 +3637,21 @@ main(int argc, char *argv[]) { if (result != ISC_R_SUCCESS) fatal("could not create hash context"); - result = dst_lib_init(mctx, ectx, eflags); + result = dst_lib_init2(mctx, ectx, engine, eflags); if (result != ISC_R_SUCCESS) - fatal("could not initialize dst"); + fatal("could not initialize dst: %s", + isc_result_totext(result)); isc_stdtime_get(&now); - if (startstr != NULL) + if (startstr != NULL) { starttime = strtotime(startstr, now, now); - else + } else starttime = now - 3600; /* Allow for some clock skew. */ - if (endstr != NULL) + if (endstr != NULL) { endtime = strtotime(endstr, now, starttime); - else + } else endtime = starttime + (30 * 24 * 60 * 60); if (cycle == -1) @@ -3270,6 +3663,9 @@ main(int argc, char *argv[]) { rdclass = strtoclass(classname); + if (directory == NULL) + directory = "."; + setup_logging(verbose, mctx, &log); argc -= isc_commandline_index; @@ -3335,7 +3731,19 @@ main(int argc, char *argv[]) { loadzone(file, origin, rdclass, &gdb); gorigin = dns_db_origin(gdb); gclass = dns_db_class(gdb); - zonettl = soattl(); + get_soa_ttls(); + + if (!set_keyttl) + keyttl = soa_ttl; + + /* + * Check for any existing NSEC3 parameters in the zone, + * and use them as defaults if -u was not specified. + */ + if (update_chain && !set_optout && !set_iter && !set_salt) + nsec_datatype = dns_rdatatype_nsec; + else + set_nsec3params(update_chain, set_salt, set_optout, set_iter); if (IS_NSEC3) { isc_boolean_t answer; @@ -3356,95 +3764,42 @@ main(int argc, char *argv[]) { ISC_LIST_INIT(keylist); isc_rwlock_init(&keylist_lock, 0, 0); - if (argc == 0) { - loadzonekeys(gdb); - } else { - for (i = 0; i < argc; i++) { - dst_key_t *newkey = NULL; - - result = dst_key_fromnamedfile(argv[i], - DST_TYPE_PUBLIC | - DST_TYPE_PRIVATE, - mctx, &newkey); - if (result != ISC_R_SUCCESS) - fatal("cannot load dnskey %s: %s", argv[i], - isc_result_totext(result)); - - if (!dns_name_equal(gorigin, dst_key_name(newkey))) - fatal("key %s not at origin\n", argv[i]); - - key = ISC_LIST_HEAD(keylist); - while (key != NULL) { - dst_key_t *dkey = key->key; - if (dst_key_id(dkey) == dst_key_id(newkey) && - dst_key_alg(dkey) == dst_key_alg(newkey) && - dns_name_equal(dst_key_name(dkey), - dst_key_name(newkey))) - { - if (!dst_key_isprivate(dkey)) - fatal("cannot sign zone with " - "non-private dnskey %s", - argv[i]); - break; - } - key = ISC_LIST_NEXT(key, link); - } - if (key == NULL) { - key = newkeystruct(newkey, ISC_TRUE); - key->commandline = ISC_TRUE; - ISC_LIST_APPEND(keylist, key, link); - } else - dst_key_free(&newkey); - } - - loadzonepubkeys(gdb); - } - - for (i = 0; i < ndskeys; i++) { - dst_key_t *newkey = NULL; - - result = dst_key_fromnamedfile(dskeyfile[i], - DST_TYPE_PUBLIC | - DST_TYPE_PRIVATE, - mctx, &newkey); - if (result != ISC_R_SUCCESS) - fatal("cannot load dnskey %s: %s", dskeyfile[i], - isc_result_totext(result)); + /* + * Fill keylist with: + * 1) Keys listed in the DNSKEY set that have + * private keys associated, *if* no keys were + * set on the command line. + * 2) ZSKs set on the command line + * 3) KSKs set on the command line + * 4) Any keys remaining in the DNSKEY set which + * do not have private keys associated and were + * not specified on the command line. + */ + if (argc == 0 || smartsign) + loadzonekeys(!smartsign, ISC_FALSE); + loadexplicitkeys(argv, argc, ISC_FALSE); + loadexplicitkeys(dskeyfile, ndskeys, ISC_TRUE); + loadzonekeys(!smartsign, ISC_TRUE); - if (!dns_name_equal(gorigin, dst_key_name(newkey))) - fatal("key %s not at origin\n", dskeyfile[i]); + /* + * If we're doing smart signing, look in the key repository for + * key files with metadata, and merge them with the keylist + * we have now. + */ + if (smartsign) + build_final_keylist(); - key = ISC_LIST_HEAD(keylist); - while (key != NULL) { - dst_key_t *dkey = key->key; - if (dst_key_id(dkey) == dst_key_id(newkey) && - dst_key_alg(dkey) == dst_key_alg(newkey) && - dns_name_equal(dst_key_name(dkey), - dst_key_name(newkey))) - { - /* Override key flags. */ - key->issigningkey = ISC_TRUE; - key->isksk = ISC_TRUE; - key->isdsk = ISC_FALSE; - dst_key_free(&dkey); - key->key = newkey; - break; - } - key = ISC_LIST_NEXT(key, link); - } - if (key == NULL) { - /* Override dnskey flags. */ - key = newkeystruct(newkey, ISC_TRUE); - key->isksk = ISC_TRUE; - key->isdsk = ISC_FALSE; - ISC_LIST_APPEND(keylist, key, link); - } + /* Now enumerate the key list */ + for (key = ISC_LIST_HEAD(keylist); + key != NULL; + key = ISC_LIST_NEXT(key, link)) { + key->index = keycount++; } - if (ISC_LIST_EMPTY(keylist)) { + if (keycount == 0) { if (disable_zone_check) fprintf(stderr, "%s: warning: No keys specified " - "or found\n", program); + "or found\n", program); else fatal("No signing keys specified or found."); nokeys = ISC_TRUE; @@ -3454,7 +3809,7 @@ main(int argc, char *argv[]) { unsigned int max; result = dns_nsec3_maxiterations(gdb, NULL, mctx, &max); check_result(result, "dns_nsec3_maxiterations()"); - if (iterations > max) + if (nsec3iter > max) fatal("NSEC3 iterations too big for weakest DNSKEY " "strength. Maximum iterations allowed %u.", max); } @@ -3478,15 +3833,18 @@ main(int argc, char *argv[]) { break; } + remove_duplicates(); + if (IS_NSEC3) - nsec3ify(dns_hash_sha1, iterations, salt, salt_length, + nsec3ify(dns_hash_sha1, nsec3iter, salt, salt_length, &hashlist); else nsecify(); if (!nokeys) { - writeset("keyset-", dns_rdatatype_dnskey); writeset("dsset-", dns_rdatatype_ds); + if (make_keyset) + writeset("keyset-", dns_rdatatype_dnskey); if (dlv != NULL) { writeset("dlvset-", dns_rdatatype_dlv); } @@ -3591,8 +3949,7 @@ main(int argc, char *argv[]) { while (!ISC_LIST_EMPTY(keylist)) { key = ISC_LIST_HEAD(keylist); ISC_LIST_UNLINK(keylist, key, link); - dst_key_free(&key->key); - isc_mem_put(mctx, key, sizeof(signer_key_t)); + dns_dnsseckey_destroy(mctx, &key); } isc_mem_put(mctx, tempfile, tempfilelen); diff --git a/bin/dnssec/dnssec-signzone.docbook b/bin/dnssec/dnssec-signzone.docbook index 87a801e..51a1496 100644 --- a/bin/dnssec/dnssec-signzone.docbook +++ b/bin/dnssec/dnssec-signzone.docbook @@ -18,10 +18,10 @@ - PERFORMANCE OF THIS SOFTWARE. --> - + - June 08, 2009 + June 05, 2009 @@ -60,10 +60,12 @@ + + @@ -75,9 +77,13 @@ + + + + @@ -92,10 +98,10 @@ dnssec-signzone signs a zone. It generates NSEC and RRSIG records and produces a signed version of the - zone. It also generates a keyset- file containing - the key-signing keys for the zone, and if signing a zone which - contains delegations, it can optionally generate DS records for - the child zones from their keyset- files. + zone. The security status of delegations from the signed zone + (that is, whether the child zones are secure or not) is + determined by the presence or absence of a + keyset file for each child zone.     @@ -122,31 +128,37 @@     - -k key + -C - Treat specified key as a key signing key ignoring any - key flags. This option may be specified multiple times. + Compatibility mode: Generate a + keyset-zonename + file in addition to + dsset-zonename + when signing a zone, for use by older versions of + dnssec-signzone. - -l domain + -d directory - Generate a DLV set in addition to the key (DNSKEY) and DS sets. - The domain is appended to the name of the records. + Look for dsset- or + keyset- files in . - -d directory + -E engine - Look for keyset files in - as the directory + Uses a crypto hardware (OpenSSL engine) for the crypto operations + it supports, for instance signing with private keys from + a secure key store. When compiled with PKCS#11 support + it defaults to pkcs11; the empty name resets it to no engine. @@ -155,10 +167,39 @@ -g - If the zone contains any delegations, and there are - keyset- files for any of the child zones, - then DS records for the child zones will be generated from the - keys in those files. Existing DS records will be removed. + Generate DS records for child zones from + dsset- or keyset- + file. Existing DS records will be removed. + + + + + + -K directory + + + Key repository: Specify a directory to search for DNSSEC keys. + If not specified, defaults to the current directory. + + + + + + -k key + + + Treat specified key as a key signing key ignoring any + key flags. This option may be specified multiple times. + + + + + + -l domain + + + Generate a DLV set in addition to the key (DNSKEY) and DS sets. + The domain is appended to the name of the records. @@ -190,6 +231,8 @@ the start time. A time relative to the current time is indicated with now+N. If no is specified, 30 days from the start time is used as a default. + must be later than + . @@ -396,6 +439,89 @@ + -S + + + Smart signing: Instructs dnssec-signzone to + search the key repository for keys that match the zone being + signed, and to include them in the zone if appropriate. + + + When a key is found, its timing metadata is examined to + determine how it should be used, according to the following + rules. Each successive rule takes priority over the prior + ones: + + + + + + If no timing metadata has been set for the key, the key is + published in the zone and used to sign the zone. + + + + + + + + If the key's publication date is set and is in the past, the + key is published in the zone. + + + + + + + + If the key's activation date is set and in the past, the + key is published (regardless of publication date) and + used to sign the zone. + + + + + + + + If the key's revocation date is set and in the past, and the + key is published, then the key is revoked, and the revoked key + is used to sign the zone. + + + + + + + + If either of the key's unpublication or deletion dates are set + and in the past, the key is NOT published or used to sign the + zone, regardless of any other metadata. + + + + + + + + + -T ttl + + + Specifies the TTL to be used for new DNSKEY records imported + into the zone from the key repository. If not specified, + the default is the minimum TTL value from the zone's SOA + record. This option is ignored when signing without + , since DNSKEY records are not imported + from the key repository in that case. It is also ignored if + there are any pre-existing DNSKEY records at the zone apex, + in which case new records' TTL values will be set to match + them. + + + + + -t @@ -405,6 +531,20 @@ + -u + + + Update NSEC/NSEC3 chain when re-signing a previously signed + zone. With this option, a zone signed with NSEC can be + switched to NSEC3, or a zone signed with NSEC3 can + be switch to NSEC or to NSEC3 with different parameters. + Without this option, dnssec-signzone will + retain the existing chain when re-signing. + + + + + -v level @@ -414,10 +554,26 @@ + -x + + + Only sign the DNSKEY RRset with key-signing keys, and omit + signatures from zone-signing keys. (This is similar to the + dnssec-dnskey-kskonly yes; zone option in + named.) + + + + + -z - Ignore KSK flag on key when determining what to sign. + Ignore KSK flag on key when determining what to sign. This + causes KSK-flagged keys to sign all records, not just the + DNSKEY RRset. (This is similar to the + update-check-ksk no; zone option in + named.) @@ -426,7 +582,7 @@ -3 salt - Generate a NSEC3 chain with the given hex encoded salt. + Generate an NSEC3 chain with the given hex encoded salt. A dash (salt) can be used to indicate that no salt is to be used when generating the NSEC3 chain. @@ -437,8 +593,8 @@ -H iterations - When generating a NSEC3 chain use this many interations. The - default is 100. + When generating an NSEC3 chain, use this many interations. The + default is 10. @@ -447,10 +603,16 @@ -A - When generating a NSEC3 chain set the OPTOUT flag on all + When generating an NSEC3 chain set the OPTOUT flag on all NSEC3 records and do not generate NSEC3 records for insecure delegations. + + Using this option twice (i.e., ) + turns the OPTOUT flag off for all records. This is useful + when using the option to modify an NSEC3 + chain which previously had OPTOUT set. + @@ -484,10 +646,11 @@ The following command signs the example.com zone with the DSA key generated by dnssec-keygen - (Kexample.com.+003+17247). The zone's keys must be in the master - file (db.example.com). This invocation looks - for keyset files, in the current directory, - so that DS records can be generated from them (-g). + (Kexample.com.+003+17247). Because the -S option + is not being used, the zone's keys must be in the master file + (db.example.com). This invocation looks + for dsset files, in the current directory, + so that DS records can be imported from them (-g). % dnssec-signzone -g -o example.com db.example.com \ Kexample.com.+003+17247 @@ -510,33 +673,6 @@ db.example.com.signed - KNOWN BUGS - - dnssec-signzone was designed so that it could - sign a zone partially, using only a subset of the DNSSEC keys - needed to produce a fully-signed zone. This permits a zone - administrator, for example, to sign a zone with one key on one - machine, move the resulting partially-signed zone to a second - machine, and sign it again with a second key. - - - An unfortunate side-effect of this flexibility is that - dnssec-signzone does not check to make sure - it's signing a zone with any valid keys at all. An attempt to - sign a zone without any keys will appear to succeed, producing - a "signed" zone with no signatures. There is no warning issued - when a zone is not fully signed. - - - - This will be corrected in a future release. In the meantime, ISC - recommends examining the output of dnssec-signzone - to confirm that the zone is properly signed by all keys before - using it. - - - - SEE ALSO dnssec-keygen8 diff --git a/bin/dnssec/dnssec-signzone.html b/bin/dnssec/dnssec-signzone.html index 1d4ecff..28e7158 100644 --- a/bin/dnssec/dnssec-signzone.html +++ b/bin/dnssec/dnssec-signzone.html @@ -14,7 +14,7 @@ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> - + @@ -29,21 +29,21 @@

    Synopsis

    -

    dnssec-signzone [-a] [-c class] [-d directory] [-e end-time] [-f output-file] [-g] [-h] [-k key] [-l domain] [-i interval] [-I input-format] [-j jitter] [-N soa-serial-format] [-o origin] [-O output-format] [-p] [-P] [-r randomdev] [-s start-time] [-t] [-v level] [-z] [-3 salt] [-H iterations] [-A] {zonefile} [key...]

    +

    dnssec-signzone [-a] [-c class] [-d directory] [-E engine] [-e end-time] [-f output-file] [-g] [-h] [-K directory] [-k key] [-l domain] [-i interval] [-I input-format] [-j jitter] [-N soa-serial-format] [-o origin] [-O output-format] [-p] [-P] [-r randomdev] [-S] [-s start-time] [-T ttl] [-t] [-u] [-v level] [-x] [-z] [-3 salt] [-H iterations] [-A] {zonefile} [key...]

    -

    DESCRIPTION

    +

    DESCRIPTION

    dnssec-signzone signs a zone. It generates NSEC and RRSIG records and produces a signed version of the - zone. It also generates a keyset- file containing - the key-signing keys for the zone, and if signing a zone which - contains delegations, it can optionally generate DS records for - the child zones from their keyset- files. + zone. The security status of delegations from the signed zone + (that is, whether the child zones are secure or not) is + determined by the presence or absence of a + keyset file for each child zone.

    -

    OPTIONS

    +

    OPTIONS

    -a

    @@ -53,6 +53,38 @@

    Specifies the DNS class of the zone.

    +
    -C
    +

    + Compatibility mode: Generate a + keyset-zonename + file in addition to + dsset-zonename + when signing a zone, for use by older versions of + dnssec-signzone. +

    +
    -d directory
    +

    + Look for dsset- or + keyset- files in directory. +

    +
    -E engine
    +

    + Uses a crypto hardware (OpenSSL engine) for the crypto operations + it supports, for instance signing with private keys from + a secure key store. When compiled with PKCS#11 support + it defaults to pkcs11; the empty name resets it to no engine. +

    +
    -g
    +

    + Generate DS records for child zones from + dsset- or keyset- + file. Existing DS records will be removed. +

    +
    -K directory
    +

    + Key repository: Specify a directory to search for DNSSEC keys. + If not specified, defaults to the current directory. +

    -k key

    Treat specified key as a key signing key ignoring any @@ -63,18 +95,6 @@ Generate a DLV set in addition to the key (DNSKEY) and DS sets. The domain is appended to the name of the records.

    -
    -d directory
    -

    - Look for keyset files in - directory as the directory -

    -
    -g
    -

    - If the zone contains any delegations, and there are - keyset- files for any of the child zones, - then DS records for the child zones will be generated from the - keys in those files. Existing DS records will be removed. -

    -s start-time

    Specify the date and time when the generated RRSIG records @@ -95,6 +115,8 @@ the start time. A time relative to the current time is indicated with now+N. If no end-time is specified, 30 days from the start time is used as a default. + end-time must be later than + start-time.

    -f output-file

    @@ -229,35 +251,119 @@ keyboard indicates that keyboard input should be used.

    +
    -S
    +
    +

    + Smart signing: Instructs dnssec-signzone to + search the key repository for keys that match the zone being + signed, and to include them in the zone if appropriate. +

    +

    + When a key is found, its timing metadata is examined to + determine how it should be used, according to the following + rules. Each successive rule takes priority over the prior + ones: +

    +
    +
    +

    + If no timing metadata has been set for the key, the key is + published in the zone and used to sign the zone. +

    +
    +

    + If the key's publication date is set and is in the past, the + key is published in the zone. +

    +
    +

    + If the key's activation date is set and in the past, the + key is published (regardless of publication date) and + used to sign the zone. +

    +
    +

    + If the key's revocation date is set and in the past, and the + key is published, then the key is revoked, and the revoked key + is used to sign the zone. +

    +
    +

    + If either of the key's unpublication or deletion dates are set + and in the past, the key is NOT published or used to sign the + zone, regardless of any other metadata. +

    +
    +
    +
    -T ttl
    +

    + Specifies the TTL to be used for new DNSKEY records imported + into the zone from the key repository. If not specified, + the default is the minimum TTL value from the zone's SOA + record. This option is ignored when signing without + -S, since DNSKEY records are not imported + from the key repository in that case. It is also ignored if + there are any pre-existing DNSKEY records at the zone apex, + in which case new records' TTL values will be set to match + them. +

    -t

    Print statistics at completion.

    +
    -u
    +

    + Update NSEC/NSEC3 chain when re-signing a previously signed + zone. With this option, a zone signed with NSEC can be + switched to NSEC3, or a zone signed with NSEC3 can + be switch to NSEC or to NSEC3 with different parameters. + Without this option, dnssec-signzone will + retain the existing chain when re-signing. +

    -v level

    Sets the debugging level.

    +
    -x
    +

    + Only sign the DNSKEY RRset with key-signing keys, and omit + signatures from zone-signing keys. (This is similar to the + dnssec-dnskey-kskonly yes; zone option in + named.) +

    -z

    - Ignore KSK flag on key when determining what to sign. + Ignore KSK flag on key when determining what to sign. This + causes KSK-flagged keys to sign all records, not just the + DNSKEY RRset. (This is similar to the + update-check-ksk no; zone option in + named.)

    -3 salt

    - Generate a NSEC3 chain with the given hex encoded salt. + Generate an NSEC3 chain with the given hex encoded salt. A dash (salt) can be used to indicate that no salt is to be used when generating the NSEC3 chain.

    -H iterations

    - When generating a NSEC3 chain use this many interations. The - default is 100. + When generating an NSEC3 chain, use this many interations. The + default is 10.

    -A
    -

    - When generating a NSEC3 chain set the OPTOUT flag on all +

    +

    + When generating an NSEC3 chain set the OPTOUT flag on all NSEC3 records and do not generate NSEC3 records for insecure delegations. -

    +

    +

    + Using this option twice (i.e., -AA) + turns the OPTOUT flag off for all records. This is useful + when using the -u option to modify an NSEC3 + chain which previously had OPTOUT set. +

    +
    zonefile

    The file containing the zone to be signed. @@ -273,14 +379,15 @@

    -

    EXAMPLE

    +

    EXAMPLE

    The following command signs the example.com zone with the DSA key generated by dnssec-keygen - (Kexample.com.+003+17247). The zone's keys must be in the master - file (db.example.com). This invocation looks - for keyset files, in the current directory, - so that DS records can be generated from them (-g). + (Kexample.com.+003+17247). Because the -S option + is not being used, the zone's keys must be in the master file + (db.example.com). This invocation looks + for dsset files, in the current directory, + so that DS records can be imported from them (-g). 

    % dnssec-signzone -g -o example.com db.example.com \
 Kexample.com.+003+17247
@@ -302,39 +409,14 @@ db.example.com.signed
 %
    -

    KNOWN BUGS

    -

    - dnssec-signzone was designed so that it could - sign a zone partially, using only a subset of the DNSSEC keys - needed to produce a fully-signed zone. This permits a zone - administrator, for example, to sign a zone with one key on one - machine, move the resulting partially-signed zone to a second - machine, and sign it again with a second key. -

    -

    - An unfortunate side-effect of this flexibility is that - dnssec-signzone does not check to make sure - it's signing a zone with any valid keys at all. An attempt to - sign a zone without any keys will appear to succeed, producing - a "signed" zone with no signatures. There is no warning issued - when a zone is not fully signed. -

    -

    - This will be corrected in a future release. In the meantime, ISC - recommends examining the output of dnssec-signzone - to confirm that the zone is properly signed by all keys before - using it. -

    -
    -
    -

    SEE ALSO

    +

    SEE ALSO

    dnssec-keygen(8), BIND 9 Administrator Reference Manual, RFC 4033.

    -

    AUTHOR

    +

    AUTHOR

    Internet Systems Consortium

    diff --git a/bin/dnssec/dnssectool.c b/bin/dnssec/dnssectool.c index 81120e3..da6b0b2 100644 --- a/bin/dnssec/dnssectool.c +++ b/bin/dnssec/dnssectool.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004, 2005, 2007, 2009 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004, 2005, 2007, 2009, 2010 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 2000, 2001, 2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: dnssectool.c,v 1.45.334.5 2009-06-22 05:05:00 marka Exp $ */ +/* $Id: dnssectool.c,v 1.60 2010-01-19 23:48:56 tbox Exp $ */ /*! \file */ @@ -28,6 +28,7 @@ #include #include +#include #include #include #include @@ -36,6 +37,8 @@ #include #include +#include +#include #include #include #include @@ -111,39 +114,16 @@ type_format(const dns_rdatatype_t type, char *cp, unsigned int size) { } void -alg_format(const dns_secalg_t alg, char *cp, unsigned int size) { - isc_buffer_t b; - isc_region_t r; - isc_result_t result; - - isc_buffer_init(&b, cp, size - 1); - result = dns_secalg_totext(alg, &b); - check_result(result, "dns_secalg_totext()"); - isc_buffer_usedregion(&b, &r); - r.base[r.length] = 0; -} - -void sig_format(dns_rdata_rrsig_t *sig, char *cp, unsigned int size) { char namestr[DNS_NAME_FORMATSIZE]; char algstr[DNS_NAME_FORMATSIZE]; dns_name_format(&sig->signer, namestr, sizeof(namestr)); - alg_format(sig->algorithm, algstr, sizeof(algstr)); + dns_secalg_format(sig->algorithm, algstr, sizeof(algstr)); snprintf(cp, size, "%s/%s/%d", namestr, algstr, sig->keyid); } void -key_format(const dst_key_t *key, char *cp, unsigned int size) { - char namestr[DNS_NAME_FORMATSIZE]; - char algstr[DNS_NAME_FORMATSIZE]; - - dns_name_format(dst_key_name(key), namestr, sizeof(namestr)); - alg_format((dns_secalg_t) dst_key_alg(key), algstr, sizeof(algstr)); - snprintf(cp, size, "%s/%s/%d", namestr, algstr, dst_key_id(key)); -} - -void setup_logging(int verbose, isc_mem_t *mctx, isc_log_t **logp) { isc_result_t result; isc_logdestination_t destination; @@ -265,32 +245,92 @@ cleanup_entropy(isc_entropy_t **ectx) { isc_entropy_detach(ectx); } +static isc_stdtime_t +time_units(isc_stdtime_t offset, char *suffix, const char *str) { + switch (suffix[0]) { + case 'Y': case 'y': + return (offset * (365 * 24 * 3600)); + case 'M': case 'm': + switch (suffix[1]) { + case 'O': case 'o': + return (offset * (30 * 24 * 3600)); + case 'I': case 'i': + return (offset * 60); + case '\0': + fatal("'%s' ambiguous: use 'mi' for minutes " + "or 'mo' for months", str); + default: + fatal("time value %s is invalid", str); + } + /* NOTREACHED */ + break; + case 'W': case 'w': + return (offset * (7 * 24 * 3600)); + case 'D': case 'd': + return (offset * (24 * 3600)); + case 'H': case 'h': + return (offset * 3600); + case 'S': case 's': case '\0': + return (offset); + default: + fatal("time value %s is invalid", str); + } + /* NOTREACHED */ + return(0); /* silence compiler warning */ +} + +dns_ttl_t +strtottl(const char *str) { + const char *orig = str; + dns_ttl_t ttl; + char *endp; + + ttl = strtol(str, &endp, 0); + if (ttl == 0 && endp == str) + fatal("TTL must be numeric"); + ttl = time_units(ttl, endp, orig); + return (ttl); +} + isc_stdtime_t strtotime(const char *str, isc_int64_t now, isc_int64_t base) { isc_int64_t val, offset; isc_result_t result; + const char *orig = str; char *endp; - if (str[0] == '+') { + if ((str[0] == '0' || str[0] == '-') && str[1] == '\0') + return ((isc_stdtime_t) 0); + + if (strncmp(str, "now", 3) == 0) { + base = now; + str += 3; + } + + if (str[0] == '\0') + return ((isc_stdtime_t) base); + else if (str[0] == '+') { offset = strtol(str + 1, &endp, 0); - if (*endp != '\0') - fatal("time value %s is invalid", str); + offset = time_units((isc_stdtime_t) offset, endp, orig); val = base + offset; - } else if (strncmp(str, "now+", 4) == 0) { - offset = strtol(str + 4, &endp, 0); - if (*endp != '\0') - fatal("time value %s is invalid", str); - val = now + offset; + } else if (str[0] == '-') { + offset = strtol(str + 1, &endp, 0); + offset = time_units((isc_stdtime_t) offset, endp, orig); + val = base - offset; } else if (strlen(str) == 8U) { char timestr[15]; sprintf(timestr, "%s000000", str); result = dns_time64_fromtext(timestr, &val); if (result != ISC_R_SUCCESS) - fatal("time value %s is invalid", str); + fatal("time value %s is invalid: %s", orig, + isc_result_totext(result)); + } else if (strlen(str) > 14U) { + fatal("time value %s is invalid", orig); } else { result = dns_time64_fromtext(str, &val); if (result != ISC_R_SUCCESS) - fatal("time value %s is invalid", str); + fatal("time value %s is invalid: %s", orig, + isc_result_totext(result)); } return ((isc_stdtime_t) val); @@ -311,3 +351,114 @@ strtoclass(const char *str) { fatal("unknown class %s", str); return (rdclass); } + +isc_result_t +try_dir(const char *dirname) { + isc_result_t result; + isc_dir_t d; + + isc_dir_init(&d); + result = isc_dir_open(&d, dirname); + if (result == ISC_R_SUCCESS) { + isc_dir_close(&d); + } + return (result); +} + +/* + * Check private key version compatibility. + */ +void +check_keyversion(dst_key_t *key, char *keystr) { + int major, minor; + dst_key_getprivateformat(key, &major, &minor); + INSIST(major <= DST_MAJOR_VERSION); /* invalid private key */ + + if (major < DST_MAJOR_VERSION || minor < DST_MINOR_VERSION) + fatal("Key %s has incompatible format version %d.%d, " + "use -f to force upgrade to new version.", + keystr, major, minor); + if (minor > DST_MINOR_VERSION) + fatal("Key %s has incompatible format version %d.%d, " + "use -f to force downgrade to current version.", + keystr, major, minor); +} + +void +set_keyversion(dst_key_t *key) { + int major, minor; + dst_key_getprivateformat(key, &major, &minor); + INSIST(major <= DST_MAJOR_VERSION); + + if (major != DST_MAJOR_VERSION || minor != DST_MINOR_VERSION) + dst_key_setprivateformat(key, DST_MAJOR_VERSION, + DST_MINOR_VERSION); + + /* + * If the key is from a version older than 1.3, set + * set the creation date + */ + if (major < 1 || (major == 1 && minor <= 2)) { + isc_stdtime_t now; + isc_stdtime_get(&now); + dst_key_settime(key, DST_TIME_CREATED, now); + } +} + +isc_boolean_t +key_collision(isc_uint16_t id, dns_name_t *name, const char *dir, + dns_secalg_t alg, isc_mem_t *mctx, isc_boolean_t *exact) +{ + isc_result_t result; + isc_boolean_t conflict = ISC_FALSE; + dns_dnsseckeylist_t matchkeys; + dns_dnsseckey_t *key = NULL; + isc_uint16_t oldid, diff; + isc_uint16_t bits = DNS_KEYFLAG_REVOKE; /* flag bits to look for */ + + if (exact != NULL) + *exact = ISC_FALSE; + + ISC_LIST_INIT(matchkeys); + result = dns_dnssec_findmatchingkeys(name, dir, mctx, &matchkeys); + if (result == ISC_R_NOTFOUND) + return (ISC_FALSE); + + while (!ISC_LIST_EMPTY(matchkeys) && !conflict) { + key = ISC_LIST_HEAD(matchkeys); + if (dst_key_alg(key->key) != alg) + goto next; + + oldid = dst_key_id(key->key); + diff = (oldid > id) ? (oldid - id) : (id - oldid); + if ((diff & ~bits) == 0) { + conflict = ISC_TRUE; + if (diff != 0) { + if (verbose > 1) + fprintf(stderr, "Key ID %d could " + "collide with %d\n", + id, oldid); + } else { + if (exact != NULL) + *exact = ISC_TRUE; + if (verbose > 1) + fprintf(stderr, "Key ID %d exists\n", + id); + } + } + + next: + ISC_LIST_UNLINK(matchkeys, key, link); + dns_dnsseckey_destroy(mctx, &key); + } + + /* Finish freeing the list */ + while (!ISC_LIST_EMPTY(matchkeys)) { + key = ISC_LIST_HEAD(matchkeys); + ISC_LIST_UNLINK(matchkeys, key, link); + dns_dnsseckey_destroy(mctx, &key); + } + + return (conflict); +} + diff --git a/bin/dnssec/dnssectool.h b/bin/dnssec/dnssectool.h index 8cc133d..b52bc13 100644 --- a/bin/dnssec/dnssectool.h +++ b/bin/dnssec/dnssectool.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004, 2007-2009 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004, 2007-2010 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 2000, 2001, 2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: dnssectool.h,v 1.22.48.2 2009-09-04 23:46:58 tbox Exp $ */ +/* $Id: dnssectool.h,v 1.31 2010-01-19 23:48:56 tbox Exp $ */ #ifndef DNSSECTOOL_H #define DNSSECTOOL_H 1 @@ -27,8 +27,9 @@ typedef void (fatalcallback_t)(void); -void -fatal(const char *format, ...) ISC_FORMAT_PRINTF(1, 2); +ISC_PLATFORM_NORETURN_PRE void +fatal(const char *format, ...) +ISC_FORMAT_PRINTF(1, 2) ISC_PLATFORM_NORETURN_POST; void setfatalcallback(fatalcallback_t *callback); @@ -44,16 +45,8 @@ type_format(const dns_rdatatype_t type, char *cp, unsigned int size); #define TYPE_FORMATSIZE 20 void -alg_format(const dns_secalg_t alg, char *cp, unsigned int size); -#define ALG_FORMATSIZE 20 - -void sig_format(dns_rdata_rrsig_t *sig, char *cp, unsigned int size); -#define SIG_FORMATSIZE (DNS_NAME_FORMATSIZE + ALG_FORMATSIZE + sizeof("65535")) - -void -key_format(const dst_key_t *key, char *cp, unsigned int size); -#define KEY_FORMATSIZE (DNS_NAME_FORMATSIZE + ALG_FORMATSIZE + sizeof("65535")) +#define SIG_FORMATSIZE (DNS_NAME_FORMATSIZE + DNS_SECALG_FORMATSIZE + sizeof("65535")) void setup_logging(int verbose, isc_mem_t *mctx, isc_log_t **logp); @@ -67,10 +60,24 @@ setup_entropy(isc_mem_t *mctx, const char *randomfile, isc_entropy_t **ectx); void cleanup_entropy(isc_entropy_t **ectx); +dns_ttl_t strtottl(const char *str); + isc_stdtime_t strtotime(const char *str, isc_int64_t now, isc_int64_t base); dns_rdataclass_t strtoclass(const char *str); +isc_result_t +try_dir(const char *dirname); + +void +check_keyversion(dst_key_t *key, char *keystr); + +void +set_keyversion(dst_key_t *key); + +isc_boolean_t +key_collision(isc_uint16_t id, dns_name_t *name, const char *dir, + dns_secalg_t alg, isc_mem_t *mctx, isc_boolean_t *exact); #endif /* DNSSEC_DNSSECTOOL_H */ diff --git a/bin/named/Makefile.in b/bin/named/Makefile.in index ee76134..a3dbb38 100644 --- a/bin/named/Makefile.in +++ b/bin/named/Makefile.in @@ -1,4 +1,4 @@ -# Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") +# Copyright (C) 2004-2010 Internet Systems Consortium, Inc. ("ISC") # Copyright (C) 1998-2002 Internet Software Consortium. # # Permission to use, copy, modify, and/or distribute this software for any @@ -13,7 +13,7 @@ # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR # PERFORMANCE OF THIS SOFTWARE. -# $Id: Makefile.in,v 1.101 2008-09-23 17:25:47 jinmei Exp $ +# $Id: Makefile.in,v 1.114 2010-12-22 09:00:40 marka Exp $ srcdir = @srcdir@ VPATH = @srcdir@ @@ -43,9 +43,9 @@ DLZDRIVER_LIBS = @DLZ_DRIVER_LIBS@ CINCLUDES = -I${srcdir}/include -I${srcdir}/unix/include -I. \ ${LWRES_INCLUDES} ${DNS_INCLUDES} ${BIND9_INCLUDES} \ ${ISCCFG_INCLUDES} ${ISCCC_INCLUDES} ${ISC_INCLUDES} \ - ${DLZDRIVER_INCLUDES} ${DBDRIVER_INCLUDES} + ${DLZDRIVER_INCLUDES} ${DBDRIVER_INCLUDES} @DST_OPENSSL_INC@ -CDEFINES = @USE_DLZ@ +CDEFINES = @USE_DLZ@ @USE_PKCS11@ @USE_OPENSSL@ CWARNINGS = @@ -53,6 +53,7 @@ DNSLIBS = ../../lib/dns/libdns.@A@ @DNS_CRYPTO_LIBS@ ISCCFGLIBS = ../../lib/isccfg/libisccfg.@A@ ISCCCLIBS = ../../lib/isccc/libisccc.@A@ ISCLIBS = ../../lib/isc/libisc.@A@ +ISCNOSYMLIBS = ../../lib/isc/libisc-nosymtbl.@A@ LWRESLIBS = ../../lib/lwres/liblwres.@A@ BIND9LIBS = ../../lib/bind9/libbind9.@A@ @@ -70,6 +71,10 @@ LIBS = ${LWRESLIBS} ${DNSLIBS} ${BIND9LIBS} \ ${ISCCFGLIBS} ${ISCCCLIBS} ${ISCLIBS} \ ${DLZDRIVER_LIBS} ${DBDRIVER_LIBS} @LIBS@ +NOSYMLIBS = ${LWRESLIBS} ${DNSLIBS} ${BIND9LIBS} \ + ${ISCCFGLIBS} ${ISCCCLIBS} ${ISCNOSYMLIBS} \ + ${DLZDRIVER_LIBS} ${DBDRIVER_LIBS} @LIBS@ + SUBDIRS = unix TARGETS = named@EXEEXT@ lwresd@EXEEXT@ @@ -86,10 +91,12 @@ OBJS = builtin.@O@ client.@O@ config.@O@ control.@O@ \ UOBJS = unix/os.@O@ +SYMOBJS = symtbl.@O@ + SRCS = builtin.c client.c config.c control.c \ controlconf.c interfacemgr.c \ listenlist.c log.c logconf.c main.c notify.c \ - query.c server.c sortlist.c statschannel.c \ + query.c server.c sortlist.c statschannel.c symtbl.c symtbl-empty.c \ tkeyconf.c tsigconf.c update.c xfrout.c \ zoneconf.c \ lwaddr.c lwresd.c lwdclient.c lwderror.c lwdgabn.c \ @@ -111,15 +118,20 @@ main.@O@: main.c -DNS_LOCALSTATEDIR=\"${localstatedir}\" \ -DNS_SYSCONFDIR=\"${sysconfdir}\" -c ${srcdir}/main.c -config.@O@: config.c +bind.keys.h: ${top_srcdir}/bind.keys ${srcdir}/bindkeys.pl + ${PERL} ${srcdir}/bindkeys.pl < ${top_srcdir}/bind.keys > $@ + +config.@O@: config.c bind.keys.h ${LIBTOOL_MODE_COMPILE} ${CC} ${ALL_CFLAGS} \ -DVERSION=\"${VERSION}\" \ -DNS_LOCALSTATEDIR=\"${localstatedir}\" \ + -DNS_SYSCONFDIR=\"${sysconfdir}\" \ -c ${srcdir}/config.c named@EXEEXT@: ${OBJS} ${UOBJS} ${DEPLIBS} - ${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ \ - ${OBJS} ${UOBJS} ${LIBS} + export MAKE_SYMTABLE="yes"; \ + export BASEOBJS="${OBJS} ${UOBJS}"; \ + ${FINALBUILDCMD} lwresd@EXEEXT@: named@EXEEXT@ rm -f lwresd@EXEEXT@ @@ -133,7 +145,10 @@ docclean manclean maintainer-clean:: clean distclean maintainer-clean:: rm -f ${TARGETS} ${OBJS} -bind9.xsl.h: bind9.xsl convertxsl.pl +maintainer-clean:: + rm -f bind.keys.h + +bind9.xsl.h: bind9.xsl ${srcdir}/convertxsl.pl ${PERL} ${srcdir}/convertxsl.pl < ${srcdir}/bind9.xsl > bind9.xsl.h depend: bind9.xsl.h diff --git a/bin/named/bind.keys.h b/bin/named/bind.keys.h new file mode 100644 index 0000000..0177214 --- /dev/null +++ b/bin/named/bind.keys.h @@ -0,0 +1,99 @@ +/* + * Generated by bindkeys.pl 1.7 2011-01-04 23:47:13 tbox Exp + * From bind.keys 1.7 2011-01-03 23:45:07 each Exp + */ +#define TRUSTED_KEYS "\ +# The bind.keys file is used to override the built-in DNSSEC trust anchors\n\ +# which are included as part of BIND 9. As of the current release, the only\n\ +# trust anchors it contains are those for the DNS root zone (\".\"), and for\n\ +# the ISC DNSSEC Lookaside Validation zone (\"dlv.isc.org\"). Trust anchors\n\ +# for any other zones MUST be configured elsewhere; if they are configured\n\ +# here, they will not be recognized or used by named.\n\ +#\n\ +# The built-in trust anchors are provided for convenience of configuration.\n\ +# They are not activated within named.conf unless specifically switched on.\n\ +# To use the built-in root key, set \"dnssec-validation auto;\" in\n\ +# named.conf options. To use the built-in DLV key, set\n\ +# \"dnssec-lookaside auto;\". Without these options being set,\n\ +# the keys in this file are ignored.\n\ +#\n\ +# This file is NOT expected to be user-configured.\n\ +#\n\ +# These keys are current as of January 2011. If any key fails to\n\ +# initialize correctly, it may have expired. In that event you should\n\ +# replace this file with a current version. The latest version of\n\ +# bind.keys can always be obtained from ISC at https://www.isc.org/bind-keys.\n\ +\n\ +trusted-keys {\n\ + # ISC DLV: See https://www.isc.org/solutions/dlv for details.\n\ + # NOTE: This key is activated by setting \"dnssec-lookaside auto;\"\n\ + # in named.conf.\n\ + dlv.isc.org. 257 3 5 \"BEAAAAPHMu/5onzrEE7z1egmhg/WPO0+juoZrW3euWEn4MxDCE1+lLy2\n\ + brhQv5rN32RKtMzX6Mj70jdzeND4XknW58dnJNPCxn8+jAGl2FZLK8t+\n\ + 1uq4W+nnA3qO2+DL+k6BD4mewMLbIYFwe0PG73Te9fZ2kJb56dhgMde5\n\ + ymX4BI/oQ+cAK50/xvJv00Frf8kw6ucMTwFlgPe+jnGxPPEmHAte/URk\n\ + Y62ZfkLoBAADLHQ9IrS2tryAe7mbBZVcOwIeU/Rw/mRx/vwwMCTgNboM\n\ + QKtUdvNXDrYJDSHZws3xiRXF1Rf+al9UmZfSav/4NWLKjHzpT59k/VSt\n\ + TDN0YUuWrBNh\";\n\ +\n\ + # ROOT KEY: See https://data.iana.org/root-anchors/root-anchors.xml\n\ + # for current trust anchor information.\n\ + # NOTE: This key is activated by setting \"dnssec-validation auto;\"\n\ + # in named.conf.\n\ + . 257 3 8 \"AwEAAagAIKlVZrpC6Ia7gEzahOR+9W29euxhJhVVLOyQbSEW0O8gcCjF\n\ + FVQUTf6v58fLjwBd0YI0EzrAcQqBGCzh/RStIoO8g0NfnfL2MTJRkxoX\n\ + bfDaUeVPQuYEhg37NZWAJQ9VnMVDxP/VHL496M/QZxkjf5/Efucp2gaD\n\ + X6RS6CXpoY68LsvPVjR0ZSwzz1apAzvN9dlzEheX7ICJBBtuA6G3LQpz\n\ + W5hOA2hzCTMjJPJ8LbqF6dsV6DoBQzgul0sGIcGOYl7OyQdXfZ57relS\n\ + Qageu+ipAdTTJ25AsRTAoub8ONGcLmqrAmRLKBP1dfwhYB4N7knNnulq\n\ + QxA+Uk1ihz0=\";\n\ +};\n\ +" + +#define MANAGED_KEYS "\ +# The bind.keys file is used to override the built-in DNSSEC trust anchors\n\ +# which are included as part of BIND 9. As of the current release, the only\n\ +# trust anchors it contains are those for the DNS root zone (\".\"), and for\n\ +# the ISC DNSSEC Lookaside Validation zone (\"dlv.isc.org\"). Trust anchors\n\ +# for any other zones MUST be configured elsewhere; if they are configured\n\ +# here, they will not be recognized or used by named.\n\ +#\n\ +# The built-in trust anchors are provided for convenience of configuration.\n\ +# They are not activated within named.conf unless specifically switched on.\n\ +# To use the built-in root key, set \"dnssec-validation auto;\" in\n\ +# named.conf options. To use the built-in DLV key, set\n\ +# \"dnssec-lookaside auto;\". Without these options being set,\n\ +# the keys in this file are ignored.\n\ +#\n\ +# This file is NOT expected to be user-configured.\n\ +#\n\ +# These keys are current as of January 2011. If any key fails to\n\ +# initialize correctly, it may have expired. In that event you should\n\ +# replace this file with a current version. The latest version of\n\ +# bind.keys can always be obtained from ISC at https://www.isc.org/bind-keys.\n\ +\n\ +managed-keys {\n\ + # ISC DLV: See https://www.isc.org/solutions/dlv for details.\n\ + # NOTE: This key is activated by setting \"dnssec-lookaside auto;\"\n\ + # in named.conf.\n\ + dlv.isc.org. initial-key 257 3 5 \"BEAAAAPHMu/5onzrEE7z1egmhg/WPO0+juoZrW3euWEn4MxDCE1+lLy2\n\ + brhQv5rN32RKtMzX6Mj70jdzeND4XknW58dnJNPCxn8+jAGl2FZLK8t+\n\ + 1uq4W+nnA3qO2+DL+k6BD4mewMLbIYFwe0PG73Te9fZ2kJb56dhgMde5\n\ + ymX4BI/oQ+cAK50/xvJv00Frf8kw6ucMTwFlgPe+jnGxPPEmHAte/URk\n\ + Y62ZfkLoBAADLHQ9IrS2tryAe7mbBZVcOwIeU/Rw/mRx/vwwMCTgNboM\n\ + QKtUdvNXDrYJDSHZws3xiRXF1Rf+al9UmZfSav/4NWLKjHzpT59k/VSt\n\ + TDN0YUuWrBNh\";\n\ +\n\ + # ROOT KEY: See https://data.iana.org/root-anchors/root-anchors.xml\n\ + # for current trust anchor information.\n\ + # NOTE: This key is activated by setting \"dnssec-validation auto;\"\n\ + # in named.conf.\n\ + . initial-key 257 3 8 \"AwEAAagAIKlVZrpC6Ia7gEzahOR+9W29euxhJhVVLOyQbSEW0O8gcCjF\n\ + FVQUTf6v58fLjwBd0YI0EzrAcQqBGCzh/RStIoO8g0NfnfL2MTJRkxoX\n\ + bfDaUeVPQuYEhg37NZWAJQ9VnMVDxP/VHL496M/QZxkjf5/Efucp2gaD\n\ + X6RS6CXpoY68LsvPVjR0ZSwzz1apAzvN9dlzEheX7ICJBBtuA6G3LQpz\n\ + W5hOA2hzCTMjJPJ8LbqF6dsV6DoBQzgul0sGIcGOYl7OyQdXfZ57relS\n\ + Qageu+ipAdTTJ25AsRTAoub8ONGcLmqrAmRLKBP1dfwhYB4N7knNnulq\n\ + QxA+Uk1ihz0=\";\n\ +};\n\ +" diff --git a/bin/named/bind9.xsl b/bin/named/bind9.xsl index 71d2eba..5913c1c 100644 --- a/bin/named/bind9.xsl +++ b/bin/named/bind9.xsl @@ -15,7 +15,7 @@ - PERFORMANCE OF THIS SOFTWARE. --> - + \n" @@ -20,7 +20,7 @@ static char xslmsg[] = " - PERFORMANCE OF THIS SOFTWARE.\n" "-->\n" "\n" - "\n" + "\n" "\n" " 71U || zlen < 8U || (nlen % 2) != 1U) + return (ISC_R_NOTFOUND); + + /* + * We assume the zone name is well formed. + */ + + /* + * XXXMPA We could check the dns64 suffix here if we need to. + */ + /* + * Check that name is a series of nibbles. + * Compute the byte values that correspond to the nibbles as we go. + * + * Shift the final result 4 bits, by setting 'i' to 1, if we if we + * have a odd number of nibbles so that "must be zero" tests below + * are byte aligned and we correctly return ISC_R_NOTFOUND or + * ISC_R_SUCCESS. We will not generate a CNAME in this case. + */ + i = (nlen % 4) == 1U ? 1 : 0; + j = nlen; + memset(v, 0, sizeof(v)); + while (j >= 1U) { + INSIST((i/2) < sizeof(v)); + if (j > 1U && name[1] != '.') + return (ISC_R_NOTFOUND); + v[i/2] >>= 4; + if ((s = strchr(hex, name[0])) != NULL) + v[i/2] |= (s - hex) << 4; + else if ((s = strchr(HEX, name[0])) != NULL) + v[i/2] |= (s - HEX) << 4; + else + return (ISC_R_NOTFOUND); + if (j > 1U) + j -= 2; + else + j -= 1; + name += 2; + i++; + } + + /* + * If we get here then we know name only consisted of nibbles. + * Now we need to determine if the name exists or not and whether + * it corresponds to a empty node in the zone or there should be + * a CNAME. + */ + switch (zlen) { + case 24: /* prefix len 32 */ + /* + * If the total length is not 71 then this is a empty node + * so return success. + */ + if (nlen + zlen != 71U) + return (ISC_R_SUCCESS); + snprintf(reverse, sizeof(reverse), "%u.%u.%u.%u.in-addr.arpa.", + v[8], v[9], v[10], v[11]); + break; + case 28: /* prefix len 40 */ + /* + * The nibbles that map to this byte must be zero for 'name' + * to exist in the zone. + */ + if (nlen > 11U && v[nlen/4 - 3] != 0) + return (ISC_R_NOTFOUND); + /* + * If the total length is not 71 then this is a empty node + * so return success. + */ + if (nlen + zlen != 71U) + return (ISC_R_SUCCESS); + snprintf(reverse, sizeof(reverse), "%u.%u.%u.%u.in-addr.arpa.", + v[6], v[8], v[9], v[10]); + break; + case 32: /* prefix len 48 */ + /* + * The nibbles that map to this byte must be zero for 'name' + * to exist in the zone. + */ + if (nlen > 7U && v[nlen/4 - 2] != 0) + return (ISC_R_NOTFOUND); + /* + * If the total length is not 71 then this is a empty node + * so return success. + */ + if (nlen + zlen != 71U) + return (ISC_R_SUCCESS); + snprintf(reverse, sizeof(reverse), "%u.%u.%u.%u.in-addr.arpa.", + v[5], v[6], v[8], v[9]); + break; + case 36: /* prefix len 56 */ + /* + * The nibbles that map to this byte must be zero for 'name' + * to exist in the zone. + */ + if (nlen > 3U && v[nlen/4 - 1] != 0) + return (ISC_R_NOTFOUND); + /* + * If the total length is not 71 then this is a empty node + * so return success. + */ + if (nlen + zlen != 71U) + return (ISC_R_SUCCESS); + snprintf(reverse, sizeof(reverse), "%u.%u.%u.%u.in-addr.arpa.", + v[4], v[5], v[6], v[8]); + break; + case 40: /* prefix len 64 */ + /* + * The nibbles that map to this byte must be zero for 'name' + * to exist in the zone. + */ + if (v[nlen/4] != 0) + return (ISC_R_NOTFOUND); + /* + * If the total length is not 71 then this is a empty node + * so return success. + */ + if (nlen + zlen != 71U) + return (ISC_R_SUCCESS); + snprintf(reverse, sizeof(reverse), "%u.%u.%u.%u.in-addr.arpa.", + v[3], v[4], v[5], v[6]); + break; + case 56: /* prefix len 96 */ + /* + * If the total length is not 71 then this is a empty node + * so return success. + */ + if (nlen + zlen != 71U) + return (ISC_R_SUCCESS); + snprintf(reverse, sizeof(reverse), "%u.%u.%u.%u.in-addr.arpa.", + v[0], v[1], v[2], v[3]); + break; + default: + /* + * This should never be reached unless someone adds a + * zone declaration with this internal type to named.conf. + */ + return (ISC_R_NOTFOUND); + } + return (dns_sdb_putrr(lookup, "CNAME", 600, reverse)); +} + static isc_result_t builtin_lookup(const char *zone, const char *name, void *dbdata, dns_sdblookup_t *lookup) @@ -78,6 +249,8 @@ builtin_lookup(const char *zone, const char *name, void *dbdata, if (strcmp(name, "@") == 0) return (b->do_lookup(lookup)); + else if (b->do_lookup == do_dns64_lookup) + return (dns64_cname(zone, name, lookup)); else return (ISC_R_NOTFOUND); } @@ -132,11 +305,13 @@ do_authors_lookup(dns_sdblookup_t *lookup) { "Michael Graff", "Andreas Gustafsson", "Bob Halley", + "Evan Hunt", "JINMEI Tatuya", "David Lawrence", "Danny Mayer", "Damien Neil", "Matt Nelson", + "Jeremy C. Reed", "Michael Sawyer", "Brian Wellington", NULL @@ -174,6 +349,12 @@ do_id_lookup(dns_sdblookup_t *lookup) { } static isc_result_t +do_dns64_lookup(dns_sdblookup_t *lookup) { + UNUSED(lookup); + return (ISC_R_SUCCESS); +} + +static isc_result_t do_empty_lookup(dns_sdblookup_t *lookup) { UNUSED(lookup); @@ -220,7 +401,7 @@ builtin_create(const char *zone, int argc, char **argv, UNUSED(zone); UNUSED(driverdata); - if (strcmp(argv[0], "empty") == 0) { + if (strcmp(argv[0], "empty") == 0 || strcmp(argv[0], "dns64") == 0) { if (argc != 3) return (DNS_R_SYNTAX); } else if (argc != 1) @@ -234,7 +415,8 @@ builtin_create(const char *zone, int argc, char **argv, *dbdata = &authors_builtin; else if (strcmp(argv[0], "id") == 0) *dbdata = &id_builtin; - else if (strcmp(argv[0], "empty") == 0) { + else if (strcmp(argv[0], "empty") == 0 || + strcmp(argv[0], "dns64") == 0) { builtin_t *empty; char *server; char *contact; @@ -246,7 +428,10 @@ builtin_create(const char *zone, int argc, char **argv, server = isc_mem_strdup(ns_g_mctx, argv[1]); contact = isc_mem_strdup(ns_g_mctx, argv[2]); if (empty == NULL || server == NULL || contact == NULL) { - *dbdata = &empty_builtin; + if (strcmp(argv[0], "empty") == 0) + *dbdata = &empty_builtin; + else + *dbdata = &dns64_builtin; if (server != NULL) isc_mem_free(ns_g_mctx, server); if (contact != NULL) @@ -254,7 +439,12 @@ builtin_create(const char *zone, int argc, char **argv, if (empty != NULL) isc_mem_put(ns_g_mctx, empty, sizeof (*empty)); } else { - memcpy(empty, &empty_builtin, sizeof (empty_builtin)); + if (strcmp(argv[0], "empty") == 0) + memcpy(empty, &empty_builtin, + sizeof (empty_builtin)); + else + memcpy(empty, &dns64_builtin, + sizeof (empty_builtin)); empty->server = server; empty->contact = contact; *dbdata = empty; @@ -276,7 +466,7 @@ builtin_destroy(const char *zone, void *driverdata, void **dbdata) { */ if (*dbdata == &version_builtin || *dbdata == &hostname_builtin || *dbdata == &authors_builtin || *dbdata == &id_builtin || - *dbdata == &empty_builtin) + *dbdata == &empty_builtin || *dbdata == &dns64_builtin) return; isc_mem_free(ns_g_mctx, b->server); @@ -306,3 +496,4 @@ void ns_builtin_deinit(void) { dns_sdb_unregister(&builtin_impl); } + diff --git a/bin/named/client.c b/bin/named/client.c index 6236d27..bc9cc87 100644 --- a/bin/named/client.c +++ b/bin/named/client.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2010 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2011 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: client.c,v 1.259.12.5 2010-09-24 08:30:27 tbox Exp $ */ +/* $Id: client.c,v 1.271 2011-01-11 23:47:12 tbox Exp $ */ #include @@ -918,7 +918,7 @@ ns_client_send(ns_client_t *client) { dns_compress_t cctx; isc_boolean_t cleanup_cctx = ISC_FALSE; unsigned char sendbuf[SEND_BUFFER_SIZE]; - unsigned int dnssec_opts; + unsigned int render_opts; unsigned int preferred_glue; isc_boolean_t opt_included = ISC_FALSE; @@ -930,10 +930,21 @@ ns_client_send(ns_client_t *client) { client->message->flags |= DNS_MESSAGEFLAG_RA; if ((client->attributes & NS_CLIENTATTR_WANTDNSSEC) != 0) - dnssec_opts = 0; + render_opts = 0; else - dnssec_opts = DNS_MESSAGERENDER_OMITDNSSEC; - + render_opts = DNS_MESSAGERENDER_OMITDNSSEC; +#ifdef ALLOW_FILTER_AAAA_ON_V4 + /* + * filter-aaaa-on-v4 yes or break-dnssec option to suppress + * AAAA records + * We already know that request came via IPv4, + * that we have both AAAA and A records, + * and that we either have no signatures that the client wants + * or we are supposed to break DNSSEC. + */ + if ((client->attributes & NS_CLIENTATTR_FILTER_AAAA) != 0) + render_opts |= DNS_MESSAGERENDER_FILTER_AAAA; +#endif preferred_glue = 0; if (client->view != NULL) { if (client->view->preferred_glue == dns_rdatatype_a) @@ -977,7 +988,7 @@ ns_client_send(ns_client_t *client) { result = dns_message_rendersection(client->message, DNS_SECTION_ANSWER, DNS_MESSAGERENDER_PARTIAL | - dnssec_opts); + render_opts); if (result == ISC_R_NOSPACE) { client->message->flags |= DNS_MESSAGEFLAG_TC; goto renderend; @@ -987,7 +998,7 @@ ns_client_send(ns_client_t *client) { result = dns_message_rendersection(client->message, DNS_SECTION_AUTHORITY, DNS_MESSAGERENDER_PARTIAL | - dnssec_opts); + render_opts); if (result == ISC_R_NOSPACE) { client->message->flags |= DNS_MESSAGEFLAG_TC; goto renderend; @@ -996,7 +1007,7 @@ ns_client_send(ns_client_t *client) { goto done; result = dns_message_rendersection(client->message, DNS_SECTION_ADDITIONAL, - preferred_glue | dnssec_opts); + preferred_glue | render_opts); if (result != ISC_R_SUCCESS && result != ISC_R_NOSPACE) goto done; renderend: @@ -1355,7 +1366,6 @@ client_request(isc_task_t *task, isc_event_t *event) { dns_name_t *signame; isc_boolean_t ra; /* Recursion available. */ isc_netaddr_t netaddr; - isc_netaddr_t destaddr; int match; dns_messageid_t id; unsigned int flags; @@ -1473,7 +1483,7 @@ client_request(isc_task_t *task, isc_event_t *event) { /* * Silently drop multicast requests for the present. - * XXXMPA look at when/if mDNS spec stabilizes. + * XXXMPA revisit this as mDNS spec was published. */ if ((client->attributes & NS_CLIENTATTR_MULTICAST) != 0) { ns_client_log(client, NS_LOGCATEGORY_CLIENT, @@ -1647,24 +1657,20 @@ client_request(isc_task_t *task, isc_event_t *event) { * etc), we regard this as an error for safety. */ if ((client->interface->flags & NS_INTERFACEFLAG_ANYADDR) == 0) - isc_netaddr_fromsockaddr(&destaddr, &client->interface->addr); + isc_netaddr_fromsockaddr(&client->destaddr, + &client->interface->addr); else { + isc_sockaddr_t sockaddr; result = ISC_R_FAILURE; - if (TCP_CLIENT(client)) { - isc_sockaddr_t destsockaddr; - + if (TCP_CLIENT(client)) result = isc_socket_getsockname(client->tcpsocket, - &destsockaddr); - if (result == ISC_R_SUCCESS) - isc_netaddr_fromsockaddr(&destaddr, - &destsockaddr); - } + &sockaddr); + if (result == ISC_R_SUCCESS) + isc_netaddr_fromsockaddr(&client->destaddr, &sockaddr); if (result != ISC_R_SUCCESS && client->interface->addr.type.sa.sa_family == AF_INET6 && (client->attributes & NS_CLIENTATTR_PKTINFO) != 0) { - isc_uint32_t zone = 0; - /* * XXXJT technically, we should convert the receiving * interface ID to a proper scope zone ID. However, @@ -1673,12 +1679,11 @@ client_request(isc_task_t *task, isc_event_t *event) { * interface index as link ID. Despite the assumption, * it should cover most typical cases. */ - if (IN6_IS_ADDR_LINKLOCAL(&client->pktinfo.ipi6_addr)) - zone = (isc_uint32_t)client->pktinfo.ipi6_ifindex; - - isc_netaddr_fromin6(&destaddr, + isc_netaddr_fromin6(&client->destaddr, &client->pktinfo.ipi6_addr); - isc_netaddr_setzone(&destaddr, zone); + if (IN6_IS_ADDR_LINKLOCAL(&client->pktinfo.ipi6_addr)) + isc_netaddr_setzone(&client->destaddr, + client->pktinfo.ipi6_ifindex); result = ISC_R_SUCCESS; } if (result != ISC_R_SUCCESS) { @@ -1708,7 +1713,8 @@ client_request(isc_task_t *task, isc_event_t *event) { tsig = dns_tsigkey_identity(client->message->tsigkey); if (allowed(&netaddr, tsig, view->matchclients) && - allowed(&destaddr, tsig, view->matchdestinations) && + allowed(&client->destaddr, tsig, + view->matchdestinations) && !((client->message->flags & DNS_MESSAGEFLAG_RD) == 0 && view->matchrecursiveonly)) { @@ -1771,9 +1777,11 @@ client_request(isc_task_t *task, isc_event_t *event) { } if (result == ISC_R_SUCCESS) { + char namebuf[DNS_NAME_FORMATSIZE]; + dns_name_format(&client->signername, namebuf, sizeof(namebuf)); ns_client_log(client, DNS_LOGCATEGORY_SECURITY, NS_LOGMODULE_CLIENT, ISC_LOG_DEBUG(3), - "request has valid signature"); + "request has valid signature: %s", namebuf); client->signer = &client->signername; } else if (result == ISC_R_NOTFOUND) { ns_client_log(client, DNS_LOGCATEGORY_SECURITY, @@ -1861,10 +1869,10 @@ client_request(isc_task_t *task, isc_event_t *event) { ns_client_checkaclsilent(client, NULL, client->view->cacheacl, ISC_TRUE) == ISC_R_SUCCESS && - ns_client_checkaclsilent(client, &client->interface->addr, + ns_client_checkaclsilent(client, &client->destaddr, client->view->recursiononacl, ISC_TRUE) == ISC_R_SUCCESS && - ns_client_checkaclsilent(client, &client->interface->addr, + ns_client_checkaclsilent(client, &client->destaddr, client->view->cacheonacl, ISC_TRUE) == ISC_R_SUCCESS) ra = ISC_TRUE; @@ -2600,12 +2608,12 @@ ns_client_getsockaddr(ns_client_t *client) { } isc_result_t -ns_client_checkaclsilent(ns_client_t *client, isc_sockaddr_t *sockaddr, +ns_client_checkaclsilent(ns_client_t *client, isc_netaddr_t *netaddr, dns_acl_t *acl, isc_boolean_t default_allow) { isc_result_t result; + isc_netaddr_t tmpnetaddr; int match; - isc_netaddr_t netaddr; if (acl == NULL) { if (default_allow) @@ -2614,15 +2622,13 @@ ns_client_checkaclsilent(ns_client_t *client, isc_sockaddr_t *sockaddr, goto deny; } + if (netaddr == NULL) { + isc_netaddr_fromsockaddr(&tmpnetaddr, &client->peeraddr); + netaddr = &tmpnetaddr; + } - if (sockaddr == NULL) - isc_netaddr_fromsockaddr(&netaddr, &client->peeraddr); - else - isc_netaddr_fromsockaddr(&netaddr, sockaddr); - - result = dns_acl_match(&netaddr, client->signer, acl, - &ns_g_server->aclenv, - &match, NULL); + result = dns_acl_match(netaddr, client->signer, acl, + &ns_g_server->aclenv, &match, NULL); if (result != ISC_R_SUCCESS) goto deny; /* Internal error, already logged. */ @@ -2642,8 +2648,14 @@ ns_client_checkacl(ns_client_t *client, isc_sockaddr_t *sockaddr, const char *opname, dns_acl_t *acl, isc_boolean_t default_allow, int log_level) { - isc_result_t result = - ns_client_checkaclsilent(client, sockaddr, acl, default_allow); + isc_result_t result; + isc_netaddr_t netaddr; + + if (sockaddr != NULL) + isc_netaddr_fromsockaddr(&netaddr, sockaddr); + + result = ns_client_checkaclsilent(client, sockaddr ? &netaddr : NULL, + acl, default_allow); if (result == ISC_R_SUCCESS) ns_client_log(client, DNS_LOGCATEGORY_SECURITY, @@ -2753,9 +2765,14 @@ void ns_client_dumprecursing(FILE *f, ns_clientmgr_t *manager) { ns_client_t *client; char namebuf[DNS_NAME_FORMATSIZE]; + char original[DNS_NAME_FORMATSIZE]; char peerbuf[ISC_SOCKADDR_FORMATSIZE]; + char typebuf[DNS_RDATATYPE_FORMATSIZE]; + char classbuf[DNS_RDATACLASS_FORMATSIZE]; const char *name; const char *sep; + const char *origfor; + dns_rdataset_t *rdataset; REQUIRE(VALID_MANAGER(manager)); @@ -2773,8 +2790,31 @@ ns_client_dumprecursing(FILE *f, ns_clientmgr_t *manager) { sep = ""; } dns_name_format(client->query.qname, namebuf, sizeof(namebuf)); - fprintf(f, "; client %s%s%s: '%s' requesttime %d\n", - peerbuf, sep, name, namebuf, client->requesttime); + if (client->query.qname != client->query.origqname && + client->query.origqname != NULL) { + origfor = " for "; + dns_name_format(client->query.origqname, original, + sizeof(original)); + } else { + origfor = ""; + original[0] = '\0'; + } + rdataset = ISC_LIST_HEAD(client->query.qname->list); + if (rdataset == NULL && client->query.origqname != NULL) + rdataset = ISC_LIST_HEAD(client->query.origqname->list); + if (rdataset != NULL) { + dns_rdatatype_format(rdataset->type, typebuf, + sizeof(typebuf)); + dns_rdataclass_format(rdataset->rdclass, classbuf, + sizeof(classbuf)); + } else { + strcpy(typebuf, "-"); + strcpy(classbuf, "-"); + } + fprintf(f, "; client %s%s%s: id %u '%s/%s/%s'%s%s " + "requesttime %d\n", peerbuf, sep, name, + client->message->id, namebuf, typebuf, classbuf, + origfor, original, client->requesttime); client = ISC_LIST_NEXT(client, link); } UNLOCK(&manager->lock); diff --git a/bin/named/config.c b/bin/named/config.c index 43d0e52..704d7ecc 100644 --- a/bin/named/config.c +++ b/bin/named/config.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2009 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2011 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 2001-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: config.c,v 1.93.14.2 2009-03-17 23:47:28 tbox Exp $ */ +/* $Id: config.c,v 1.113.16.1.2.1 2011-06-02 23:47:28 tbox Exp $ */ /*! \file */ @@ -42,9 +42,13 @@ #include #include +#include + #include #include +#include "bind.keys.h" + /*% default configuration */ static char defaultconf[] = "\ options {\n\ @@ -55,7 +59,10 @@ options {\n\ files unlimited;\n\ stacksize default;\n" #endif -" deallocate-on-exit true;\n\ +"# session-keyfile \"" NS_LOCALSTATEDIR "/run/named/session.key\";\n\ + session-keyname local-ddns;\n\ + session-keyalg hmac-sha256;\n\ + deallocate-on-exit true;\n\ # directory \n\ dump-file \"named_dump.db\";\n\ fake-iquery no;\n\ @@ -70,8 +77,10 @@ options {\n\ multiple-cnames no;\n\ # named-xfer ;\n\ # pid-file \"" NS_LOCALSTATEDIR "/run/named/named.pid\"; /* or /lwresd.pid */\n\ + bindkeys-file \"" NS_SYSCONFDIR "/bind.keys\";\n\ port 53;\n\ recursing-file \"named.recursing\";\n\ + secroots-file \"named.secroots\";\n\ " #ifdef PATH_RANDOMDEV "\ @@ -80,6 +89,7 @@ options {\n\ #endif "\ recursive-clients 1000;\n\ + resolver-query-timeout 30;\n\ rrset-order {type NS order random; order cyclic; };\n\ serial-queries 20;\n\ serial-query-rate 20;\n\ @@ -102,6 +112,9 @@ options {\n\ request-nsid false;\n\ reserved-sockets 512;\n\ \n\ + /* DLV */\n\ + dnssec-lookaside . trust-anchor dlv.isc.org;\n\ +\n\ /* view */\n\ allow-notify {none;};\n\ allow-update-forwarding {none;};\n\ @@ -135,6 +148,7 @@ options {\n\ check-names master fail;\n\ check-names slave warn;\n\ check-names response ignore;\n\ + check-dup-records warn;\n\ check-mx warn;\n\ acache-enable no;\n\ acache-cleaning-interval 60;\n\ @@ -146,7 +160,13 @@ options {\n\ max-clients-per-query 100;\n\ zero-no-soa-ttl-cache no;\n\ nsec3-test-zone no;\n\ + allow-new-zones no;\n\ +" +#ifdef ALLOW_FILTER_AAAA_ON_V4 +" filter-aaaa-on-v4 no;\n\ + filter-aaaa { any; };\n\ " +#endif " /* zone */\n\ allow-query {any;};\n\ @@ -174,6 +194,7 @@ options {\n\ max-refresh-time 2419200; /* 4 weeks */\n\ min-refresh-time 300;\n\ multi-master no;\n\ + dnssec-secure-to-insecure no;\n\ sig-validity-interval 30; /* days */\n\ sig-signing-nodes 100;\n\ sig-signing-signatures 10;\n\ @@ -188,6 +209,7 @@ options {\n\ check-srv-cname warn;\n\ zero-no-soa-ttl yes;\n\ update-check-ksk yes;\n\ + dnssec-dnskey-kskonly no;\n\ try-tcp-refresh yes; /* BIND 8 compat */\n\ };\n\ " @@ -198,6 +220,7 @@ options {\n\ view \"_bind\" chaos {\n\ recursion no;\n\ notify no;\n\ + allow-new-zones no;\n\ \n\ zone \"version.bind\" chaos {\n\ type master;\n\ @@ -213,11 +236,24 @@ view \"_bind\" chaos {\n\ type master;\n\ database \"_builtin authors\";\n\ };\n\ +\n\ zone \"id.server\" chaos {\n\ type master;\n\ database \"_builtin id\";\n\ };\n\ };\n\ +" +"#\n\ +# Default trusted key(s) for builtin DLV support\n\ +# (used if \"dnssec-lookaside auto;\" is set and\n\ +# sysconfdir/bind.keys doesn't exist).\n\ +#\n\ +# BEGIN MANAGED KEYS\n" + +/* Imported from bind.keys.h: */ +MANAGED_KEYS + +"# END MANAGED KEYS\n\ "; isc_result_t @@ -339,6 +375,8 @@ ns_config_getzonetype(const cfg_obj_t *zonetypeobj) { ztype = dns_zone_slave; else if (strcasecmp(str, "stub") == 0) ztype = dns_zone_stub; + else if (strcasecmp(str, "static-stub") == 0) + ztype = dns_zone_staticstub; else INSIST(0); return (ztype); @@ -615,7 +653,7 @@ ns_config_getipandkeylist(const cfg_obj_t *config, const cfg_obj_t *list, isc_buffer_add(&b, strlen(keystr)); dns_fixedname_init(&fname); result = dns_name_fromtext(dns_fixedname_name(&fname), &b, - dns_rootname, ISC_FALSE, NULL); + dns_rootname, 0, NULL); if (result != ISC_R_SUCCESS) goto cleanup; result = dns_name_dup(dns_fixedname_name(&fname), mctx, @@ -747,23 +785,31 @@ struct keyalgorithms { const char *str; enum { hmacnone, hmacmd5, hmacsha1, hmacsha224, hmacsha256, hmacsha384, hmacsha512 } hmac; + unsigned int type; isc_uint16_t size; } algorithms[] = { - { "hmac-md5", hmacmd5, 128 }, - { "hmac-md5.sig-alg.reg.int", hmacmd5, 0 }, - { "hmac-md5.sig-alg.reg.int.", hmacmd5, 0 }, - { "hmac-sha1", hmacsha1, 160 }, - { "hmac-sha224", hmacsha224, 224 }, - { "hmac-sha256", hmacsha256, 256 }, - { "hmac-sha384", hmacsha384, 384 }, - { "hmac-sha512", hmacsha512, 512 }, - { NULL, hmacnone, 0 } + { "hmac-md5", hmacmd5, DST_ALG_HMACMD5, 128 }, + { "hmac-md5.sig-alg.reg.int", hmacmd5, DST_ALG_HMACMD5, 0 }, + { "hmac-md5.sig-alg.reg.int.", hmacmd5, DST_ALG_HMACMD5, 0 }, + { "hmac-sha1", hmacsha1, DST_ALG_HMACSHA1, 160 }, + { "hmac-sha224", hmacsha224, DST_ALG_HMACSHA224, 224 }, + { "hmac-sha256", hmacsha256, DST_ALG_HMACSHA256, 256 }, + { "hmac-sha384", hmacsha384, DST_ALG_HMACSHA384, 384 }, + { "hmac-sha512", hmacsha512, DST_ALG_HMACSHA512, 512 }, + { NULL, hmacnone, DST_ALG_UNKNOWN, 0 } }; isc_result_t ns_config_getkeyalgorithm(const char *str, dns_name_t **name, isc_uint16_t *digestbits) { + return (ns_config_getkeyalgorithm2(str, name, NULL, digestbits)); +} + +isc_result_t +ns_config_getkeyalgorithm2(const char *str, dns_name_t **name, + unsigned int *typep, isc_uint16_t *digestbits) +{ int i; size_t len = 0; isc_uint16_t bits; @@ -801,6 +847,8 @@ ns_config_getkeyalgorithm(const char *str, dns_name_t **name, INSIST(0); } } + if (typep != NULL) + *typep = algorithms[i].type; if (digestbits != NULL) *digestbits = bits; return (ISC_R_SUCCESS); diff --git a/bin/named/control.c b/bin/named/control.c index 38115d6..3fc7bd3 100644 --- a/bin/named/control.c +++ b/bin/named/control.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: control.c,v 1.33.266.4 2010-12-03 23:45:46 tbox Exp $ */ +/* $Id: control.c,v 1.41 2010-12-03 22:05:19 each Exp $ */ /*! \file */ @@ -158,6 +158,8 @@ ns_control_docommand(isccc_sexpr_t *message, isc_buffer_t *text) { } else if (command_compare(command, NS_COMMAND_DUMPDB)) { ns_server_dumpdb(ns_g_server, command); result = ISC_R_SUCCESS; + } else if (command_compare(command, NS_COMMAND_SECROOTS)) { + result = ns_server_dumpsecroots(ns_g_server, command); } else if (command_compare(command, NS_COMMAND_TRACE)) { result = ns_server_setdebuglevel(ns_g_server, command); } else if (command_compare(command, NS_COMMAND_NOTRACE)) { @@ -192,6 +194,13 @@ ns_control_docommand(isccc_sexpr_t *message, isc_buffer_t *text) { result = ns_server_notifycommand(ns_g_server, command, text); } else if (command_compare(command, NS_COMMAND_VALIDATION)) { result = ns_server_validation(ns_g_server, command); + } else if (command_compare(command, NS_COMMAND_SIGN) || + command_compare(command, NS_COMMAND_LOADKEYS)) { + result = ns_server_rekey(ns_g_server, command); + } else if (command_compare(command, NS_COMMAND_ADDZONE)) { + result = ns_server_add_zone(ns_g_server, command); + } else if (command_compare(command, NS_COMMAND_DELZONE)) { + result = ns_server_del_zone(ns_g_server, command); } else { isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_CONTROL, ISC_LOG_WARNING, diff --git a/bin/named/include/named/client.h b/bin/named/include/named/client.h index 5ad9c6b..33f124d 100644 --- a/bin/named/include/named/client.h +++ b/bin/named/include/named/client.h @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: client.h,v 1.86.120.2 2009-01-18 23:47:34 tbox Exp $ */ +/* $Id: client.h,v 1.91 2009-10-26 23:14:53 each Exp $ */ #ifndef NAMED_CLIENT_H #define NAMED_CLIENT_H 1 @@ -138,6 +138,7 @@ struct ns_client { ns_interface_t *interface; isc_sockaddr_t peeraddr; isc_boolean_t peeraddr_valid; + isc_netaddr_t destaddr; struct in6_pktinfo pktinfo; isc_event_t ctlevent; /*% @@ -167,6 +168,10 @@ struct ns_client { #define NS_CLIENTATTR_MULTICAST 0x08 /*%< recv'd from multicast */ #define NS_CLIENTATTR_WANTDNSSEC 0x10 /*%< include dnssec records */ #define NS_CLIENTATTR_WANTNSID 0x20 /*%< include nameserver ID */ +#ifdef ALLOW_FILTER_AAAA_ON_V4 +#define NS_CLIENTATTR_FILTER_AAAA 0x40 /*%< suppress AAAAs */ +#define NS_CLIENTATTR_FILTER_AAAA_RC 0x80 /*%< recursing for A against AAAA */ +#endif extern unsigned int ns_client_requests; @@ -274,10 +279,8 @@ ns_client_getsockaddr(ns_client_t *client); */ isc_result_t -ns_client_checkaclsilent(ns_client_t *client, - isc_sockaddr_t *sockaddr, - dns_acl_t *acl, - isc_boolean_t default_allow); +ns_client_checkaclsilent(ns_client_t *client, isc_netaddr_t *netaddr, + dns_acl_t *acl, isc_boolean_t default_allow); /*% * Convenience function for client request ACL checking. @@ -296,12 +299,12 @@ ns_client_checkaclsilent(ns_client_t *client, * * Requires: *\li 'client' points to a valid client. - *\li 'sockaddr' points to a valid address, or is NULL. + *\li 'netaddr' points to a valid address, or is NULL. *\li 'acl' points to a valid ACL, or is NULL. * * Returns: *\li ISC_R_SUCCESS if the request should be allowed - * \li ISC_R_REFUSED if the request should be denied + * \li DNS_R_REFUSED if the request should be denied *\li No other return values are possible. */ diff --git a/bin/named/include/named/config.h b/bin/named/include/named/config.h index fa96d32..d1570b0 100644 --- a/bin/named/include/named/config.h +++ b/bin/named/include/named/config.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2007, 2009 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 2001, 2002 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: config.h,v 1.14 2007-06-19 23:46:59 tbox Exp $ */ +/* $Id: config.h,v 1.16 2009-06-11 23:47:55 tbox Exp $ */ #ifndef NAMED_CONFIG_H #define NAMED_CONFIG_H 1 @@ -75,5 +75,8 @@ ns_config_getport(const cfg_obj_t *config, in_port_t *portp); isc_result_t ns_config_getkeyalgorithm(const char *str, dns_name_t **name, isc_uint16_t *digestbits); +isc_result_t +ns_config_getkeyalgorithm2(const char *str, dns_name_t **name, + unsigned int *typep, isc_uint16_t *digestbits); #endif /* NAMED_CONFIG_H */ diff --git a/bin/named/include/named/control.h b/bin/named/include/named/control.h index 436fb19..e699892 100644 --- a/bin/named/include/named/control.h +++ b/bin/named/include/named/control.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2007, 2009, 2010 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 2001-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: control.h,v 1.25 2007-06-19 23:46:59 tbox Exp $ */ +/* $Id: control.h,v 1.31 2010-08-16 22:21:06 marka Exp $ */ #ifndef NAMED_CONTROL_H #define NAMED_CONTROL_H 1 @@ -42,6 +42,7 @@ #define NS_COMMAND_DUMPSTATS "stats" #define NS_COMMAND_QUERYLOG "querylog" #define NS_COMMAND_DUMPDB "dumpdb" +#define NS_COMMAND_SECROOTS "secroots" #define NS_COMMAND_TRACE "trace" #define NS_COMMAND_NOTRACE "notrace" #define NS_COMMAND_FLUSH "flush" @@ -57,6 +58,10 @@ #define NS_COMMAND_NULL "null" #define NS_COMMAND_NOTIFY "notify" #define NS_COMMAND_VALIDATION "validation" +#define NS_COMMAND_SIGN "sign" +#define NS_COMMAND_LOADKEYS "loadkeys" +#define NS_COMMAND_ADDZONE "addzone" +#define NS_COMMAND_DELZONE "delzone" isc_result_t ns_controls_create(ns_server_t *server, ns_controls_t **ctrlsp); diff --git a/bin/named/include/named/globals.h b/bin/named/include/named/globals.h index 1d57a18..f155c7f 100644 --- a/bin/named/include/named/globals.h +++ b/bin/named/include/named/globals.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2008, 2010 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2010 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: globals.h,v 1.80.12.3 2010-09-15 12:16:50 marka Exp $ */ +/* $Id: globals.h,v 1.89 2010-09-15 12:07:55 marka Exp $ */ #ifndef NAMED_GLOBALS_H #define NAMED_GLOBALS_H 1 @@ -30,6 +30,8 @@ #include +#include + #include #undef EXTERN @@ -86,8 +88,13 @@ EXTERN cfg_obj_t * ns_g_config INIT(NULL); EXTERN const cfg_obj_t * ns_g_defaults INIT(NULL); EXTERN const char * ns_g_conffile INIT(NS_SYSCONFDIR "/named.conf"); +EXTERN cfg_obj_t * ns_g_bindkeys INIT(NULL); EXTERN const char * ns_g_keyfile INIT(NS_SYSCONFDIR "/rndc.key"); + +EXTERN dns_tsigkey_t * ns_g_sessionkey INIT(NULL); +EXTERN dns_name_t ns_g_sessionkeyname; + EXTERN const char * lwresd_g_conffile INIT(NS_SYSCONFDIR "/lwresd.conf"); EXTERN const char * lwresd_g_resolvconffile INIT("/etc" @@ -112,6 +119,10 @@ EXTERN const char * ns_g_chrootdir INIT(NULL); EXTERN isc_boolean_t ns_g_foreground INIT(ISC_FALSE); EXTERN isc_boolean_t ns_g_logstderr INIT(ISC_FALSE); +EXTERN const char * ns_g_defaultsessionkeyfile + INIT(NS_LOCALSTATEDIR "/run/named/" + "session.key"); + #if NS_RUN_PID_DIR EXTERN const char * ns_g_defaultpidfile INIT(NS_LOCALSTATEDIR "/run/named/" @@ -128,6 +139,12 @@ EXTERN const char * lwresd_g_defaultpidfile INIT(NS_LOCALSTATEDIR EXTERN const char * ns_g_username INIT(NULL); +#ifdef USE_PKCS11 +EXTERN const char * ns_g_engine INIT("pkcs11"); +#else +EXTERN const char * ns_g_engine INIT(NULL); +#endif + EXTERN int ns_g_listen INIT(3); EXTERN isc_time_t ns_g_boottime; EXTERN isc_boolean_t ns_g_memstatistics INIT(ISC_FALSE); diff --git a/bin/named/include/named/log.h b/bin/named/include/named/log.h index 0cfbee9..1ce680f 100644 --- a/bin/named/include/named/log.h +++ b/bin/named/include/named/log.h @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: log.h,v 1.25.332.2 2009-01-07 23:47:16 tbox Exp $ */ +/* $Id: log.h,v 1.27 2009-01-07 23:47:46 tbox Exp $ */ #ifndef NAMED_LOG_H #define NAMED_LOG_H 1 diff --git a/bin/named/include/named/lwdclient.h b/bin/named/include/named/lwdclient.h index 44e1fa6..5451b73 100644 --- a/bin/named/include/named/lwdclient.h +++ b/bin/named/include/named/lwdclient.h @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: lwdclient.h,v 1.18.332.2 2009-01-18 23:47:34 tbox Exp $ */ +/* $Id: lwdclient.h,v 1.20 2009-01-17 23:47:42 tbox Exp $ */ #ifndef NAMED_LWDCLIENT_H #define NAMED_LWDCLIENT_H 1 diff --git a/bin/named/include/named/main.h b/bin/named/include/named/main.h index 96fb23e..6116add 100644 --- a/bin/named/include/named/main.h +++ b/bin/named/include/named/main.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004, 2005, 2007, 2009 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2002 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,15 +15,16 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: main.h,v 1.15 2007-06-19 23:46:59 tbox Exp $ */ +/* $Id: main.h,v 1.17 2009-09-29 23:48:03 tbox Exp $ */ #ifndef NAMED_MAIN_H #define NAMED_MAIN_H 1 /*! \file */ -void -ns_main_earlyfatal(const char *format, ...) ISC_FORMAT_PRINTF(1, 2); +ISC_PLATFORM_NORETURN_PRE void +ns_main_earlyfatal(const char *format, ...) +ISC_FORMAT_PRINTF(1, 2) ISC_PLATFORM_NORETURN_POST; void ns_main_earlywarning(const char *format, ...) ISC_FORMAT_PRINTF(1, 2); diff --git a/bin/named/include/named/notify.h b/bin/named/include/named/notify.h index ac7fe2d..34fabcd 100644 --- a/bin/named/include/named/notify.h +++ b/bin/named/include/named/notify.h @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: notify.h,v 1.14.332.2 2009-01-18 23:47:34 tbox Exp $ */ +/* $Id: notify.h,v 1.16 2009-01-17 23:47:42 tbox Exp $ */ #ifndef NAMED_NOTIFY_H #define NAMED_NOTIFY_H 1 diff --git a/bin/named/include/named/query.h b/bin/named/include/named/query.h index 2f00f1e..37f771b 100644 --- a/bin/named/include/named/query.h +++ b/bin/named/include/named/query.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004, 2005, 2007, 2010 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004, 2005, 2007, 2010, 2011 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2002 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: query.h,v 1.40.332.2 2010-09-24 08:30:28 tbox Exp $ */ +/* $Id: query.h,v 1.45 2011-01-13 04:59:24 tbox Exp $ */ #ifndef NAMED_QUERY_H #define NAMED_QUERY_H 1 @@ -26,6 +26,8 @@ #include #include +#include +#include #include #include @@ -34,6 +36,7 @@ typedef struct ns_dbversion { dns_db_t *db; dns_dbversion_t *version; + isc_boolean_t acl_checked; isc_boolean_t queryok; ISC_LINK(struct ns_dbversion) link; } ns_dbversion_t; @@ -54,9 +57,16 @@ struct ns_query { isc_boolean_t isreferral; isc_mutex_t fetchlock; dns_fetch_t * fetch; + dns_rpz_st_t * rpz_st; isc_bufferlist_t namebufs; ISC_LIST(ns_dbversion_t) activeversions; ISC_LIST(ns_dbversion_t) freeversions; + dns_rdataset_t * dns64_aaaa; + dns_rdataset_t * dns64_sigaaaa; + isc_boolean_t * dns64_aaaaok; + unsigned int dns64_aaaaoklen; + unsigned int dns64_options; + unsigned int dns64_ttl; }; #define NS_QUERYATTR_RECURSIONOK 0x0001 @@ -73,6 +83,9 @@ struct ns_query { #define NS_QUERYATTR_NOADDITIONAL 0x0800 #define NS_QUERYATTR_CACHEACLOKVALID 0x1000 #define NS_QUERYATTR_CACHEACLOK 0x2000 +#define NS_QUERYATTR_DNS64 0x4000 +#define NS_QUERYATTR_DNS64EXCLUDE 0x8000 + isc_result_t ns_query_init(ns_client_t *client); diff --git a/bin/named/include/named/server.h b/bin/named/include/named/server.h index 3a4c5f7..3c6426e 100644 --- a/bin/named/include/named/server.h +++ b/bin/named/include/named/server.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2009 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2010 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: server.h,v 1.93.120.3 2009-07-11 04:23:53 marka Exp $ */ +/* $Id: server.h,v 1.110 2010-08-16 23:46:52 tbox Exp $ */ #ifndef NAMED_SERVER_H #define NAMED_SERVER_H 1 @@ -54,6 +54,8 @@ struct ns_server { dns_acl_t *blackholeacl; char * statsfile; /*%< Statistics file name */ char * dumpfile; /*%< Dump file name */ + char * secrootsfile; /*%< Secroots file name */ + char * bindkeysfile; /*%< bind.keys file name */ char * recfile; /*%< Recursive file name */ isc_boolean_t version_set; /*%< User has set version */ char * version; /*%< User-specified version */ @@ -91,13 +93,14 @@ struct ns_server { isc_boolean_t flushonshutdown; isc_boolean_t log_queries; /*%< For BIND 8 compatibility */ - isc_stats_t * nsstats; /*%< Server statistics */ - dns_stats_t * rcvquerystats; /*% Incoming query statistics */ - dns_stats_t * opcodestats; /*%< Incoming message statistics */ - isc_stats_t * zonestats; /*% Zone management statistics */ - isc_stats_t * resolverstats; /*% Resolver statistics */ + ns_cachelist_t cachelist; /*%< Possibly shared caches */ + isc_stats_t * nsstats; /*%< Server stats */ + dns_stats_t * rcvquerystats; /*% Incoming query stats */ + dns_stats_t * opcodestats; /*%< Incoming message stats */ + isc_stats_t * zonestats; /*% Zone management stats */ + isc_stats_t * resolverstats; /*% Resolver stats */ + isc_stats_t * sockstats; /*%< Socket stats */ - isc_stats_t * sockstats; /*%< Socket statistics */ ns_controls_t * controls; /*%< Control channels */ unsigned int dispatchgen; ns_dispatchlist_t dispatches; @@ -105,6 +108,12 @@ struct ns_server { dns_acache_t *acache; ns_statschannellist_t statschannels; + + dns_tsigkey_t *sessionkey; + char *session_keyfile; + dns_name_t *session_keyname; + unsigned int session_keyalg; + isc_uint16_t session_keybits; }; #define NS_SERVER_MAGIC ISC_MAGIC('S','V','E','R') @@ -237,6 +246,12 @@ isc_result_t ns_server_dumpdb(ns_server_t *server, char *args); /*% + * Dump the current security roots to the secroots file. + */ +isc_result_t +ns_server_dumpsecroots(ns_server_t *server, char *args); + +/*% * Change or increment the server debug level. */ isc_result_t @@ -280,6 +295,16 @@ ns_server_freeze(ns_server_t *server, isc_boolean_t freeze, char *args, isc_buffer_t *text); /*% + * Update a zone's DNSKEY set from the key repository. If + * the command that triggered the call to this function was "sign", + * then force a full signing of the zone. If it was "loadkeys", + * then don't sign the zone; any needed changes to signatures can + * take place incrementally. + */ +isc_result_t +ns_server_rekey(ns_server_t *server, char *args); + +/*% * Dump the current recursive queries. */ isc_result_t @@ -297,4 +322,16 @@ ns_add_reserved_dispatch(ns_server_t *server, const isc_sockaddr_t *addr); isc_result_t ns_server_validation(ns_server_t *server, char *args); +/*% + * Add a zone to a running process + */ +isc_result_t +ns_server_add_zone(ns_server_t *server, char *args); + +/*% + * Deletes a zone from a running process + */ +isc_result_t +ns_server_del_zone(ns_server_t *server, char *args); + #endif /* NAMED_SERVER_H */ diff --git a/bin/named/include/named/tsigconf.h b/bin/named/include/named/tsigconf.h index a4841ba..4a59ec2 100644 --- a/bin/named/include/named/tsigconf.h +++ b/bin/named/include/named/tsigconf.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2007, 2009 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2001 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: tsigconf.h,v 1.16 2007-06-19 23:46:59 tbox Exp $ */ +/* $Id: tsigconf.h,v 1.18 2009-06-11 23:47:55 tbox Exp $ */ #ifndef NS_TSIGCONF_H #define NS_TSIGCONF_H 1 @@ -36,8 +36,9 @@ ns_tsigkeyring_fromconfig(const cfg_obj_t *config, const cfg_obj_t *vconfig, * * Requires: * \li 'config' is not NULL. + * \li 'vconfig' is not NULL. * \li 'mctx' is not NULL - * \li 'ring' is not NULL, and '*ring' is NULL + * \li 'ringp' is not NULL, and '*ringp' is NULL * * Returns: * \li ISC_R_SUCCESS diff --git a/bin/named/include/named/types.h b/bin/named/include/named/types.h index b0729a7..96c4c01 100644 --- a/bin/named/include/named/types.h +++ b/bin/named/include/named/types.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2009 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2001 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: types.h,v 1.29 2008-01-17 23:46:59 tbox Exp $ */ +/* $Id: types.h,v 1.31 2009-01-09 23:47:45 tbox Exp $ */ #ifndef NAMED_TYPES_H #define NAMED_TYPES_H 1 @@ -24,6 +24,8 @@ #include +typedef struct ns_cache ns_cache_t; +typedef ISC_LIST(ns_cache_t) ns_cachelist_t; typedef struct ns_client ns_client_t; typedef struct ns_clientmgr ns_clientmgr_t; typedef struct ns_query ns_query_t; diff --git a/bin/named/include/named/zoneconf.h b/bin/named/include/named/zoneconf.h index ab84c84..65cf72f 100644 --- a/bin/named/include/named/zoneconf.h +++ b/bin/named/include/named/zoneconf.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2007, 2010 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2002 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: zoneconf.h,v 1.26 2007-06-19 23:46:59 tbox Exp $ */ +/* $Id: zoneconf.h,v 1.28 2010-12-20 23:47:20 tbox Exp $ */ #ifndef NS_ZONECONF_H #define NS_ZONECONF_H 1 @@ -58,6 +58,21 @@ ns_zone_reusable(dns_zone_t *zone, const cfg_obj_t *zconfig); * and recreated, return ISC_FALSE. */ + +isc_result_t +ns_zone_configure_writeable_dlz(dns_dlzdb_t *dlzdatabase, dns_zone_t *zone, + dns_rdataclass_t rdclass, dns_name_t *name); +/*%> + * configure a DLZ zone, setting up the database methods and calling + * postload to load the origin values + * + * Require: + * \li 'dlzdatabase' to be a valid dlz database + * \li 'zone' to be initialized. + * \li 'rdclass' to be a valid rdataclass + * \li 'name' to be a valid zone origin name + */ + ISC_LANG_ENDDECLS #endif /* NS_ZONECONF_H */ diff --git a/bin/named/interfacemgr.c b/bin/named/interfacemgr.c index fad3213..e99d3b9 100644 --- a/bin/named/interfacemgr.c +++ b/bin/named/interfacemgr.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: interfacemgr.c,v 1.93.70.2 2009-01-18 23:47:34 tbox Exp $ */ +/* $Id: interfacemgr.c,v 1.95 2009-01-17 23:47:42 tbox Exp $ */ /*! \file */ diff --git a/bin/named/log.c b/bin/named/log.c index 867ad56..5d1c942 100644 --- a/bin/named/log.c +++ b/bin/named/log.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: log.c,v 1.46.334.3 2009-01-07 01:50:14 jinmei Exp $ */ +/* $Id: log.c,v 1.49 2009-01-07 01:46:40 jinmei Exp $ */ /*! \file */ diff --git a/bin/named/lwdgabn.c b/bin/named/lwdgabn.c index 66d7246..6a609c9 100644 --- a/bin/named/lwdgabn.c +++ b/bin/named/lwdgabn.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2007, 2009 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 2000, 2001 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: lwdgabn.c,v 1.22 2007-06-19 23:46:59 tbox Exp $ */ +/* $Id: lwdgabn.c,v 1.24 2009-09-02 23:48:01 tbox Exp $ */ /*! \file */ @@ -619,7 +619,7 @@ ns_lwdclient_processgabn(ns_lwdclient_t *client, lwres_buffer_t *b) { dns_fixedname_init(&client->target_name); dns_fixedname_init(&client->query_name); result = dns_name_fromtext(dns_fixedname_name(&client->query_name), - &namebuf, NULL, ISC_FALSE, NULL); + &namebuf, NULL, 0, NULL); if (result != ISC_R_SUCCESS) goto out; ns_lwsearchctx_init(&client->searchctx, diff --git a/bin/named/lwdgrbn.c b/bin/named/lwdgrbn.c index bf29a48..22b62c6 100644 --- a/bin/named/lwdgrbn.c +++ b/bin/named/lwdgrbn.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2007, 2009 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 2000, 2001, 2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: lwdgrbn.c,v 1.20 2007-06-19 23:46:59 tbox Exp $ */ +/* $Id: lwdgrbn.c,v 1.22 2009-09-02 23:48:01 tbox Exp $ */ /*! \file */ @@ -472,7 +472,7 @@ ns_lwdclient_processgrbn(ns_lwdclient_t *client, lwres_buffer_t *b) { dns_fixedname_init(&client->query_name); result = dns_name_fromtext(dns_fixedname_name(&client->query_name), - &namebuf, NULL, ISC_FALSE, NULL); + &namebuf, NULL, 0, NULL); if (result != ISC_R_SUCCESS) goto out; ns_lwsearchctx_init(&client->searchctx, diff --git a/bin/named/lwresd.8 b/bin/named/lwresd.8 index d1e760d..30dfbd5 100644 --- a/bin/named/lwresd.8 +++ b/bin/named/lwresd.8 @@ -13,7 +13,7 @@ .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR .\" PERFORMANCE OF THIS SOFTWARE. .\" -.\" $Id: lwresd.8,v 1.29.14.2 2009-07-11 01:55:21 tbox Exp $ +.\" $Id: lwresd.8,v 1.31 2009-07-11 01:12:45 tbox Exp $ .\" .hy 0 .ad l diff --git a/bin/named/lwresd.c b/bin/named/lwresd.c index b7dc0af..ad36709 100644 --- a/bin/named/lwresd.c +++ b/bin/named/lwresd.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2009 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 2000-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: lwresd.c,v 1.58 2008-07-23 23:27:54 marka Exp $ */ +/* $Id: lwresd.c,v 1.60 2009-09-02 23:48:01 tbox Exp $ */ /*! \file * \brief @@ -372,8 +372,7 @@ ns_lwdmanager_create(isc_mem_t *mctx, const cfg_obj_t *lwres, strlen(searchstr)); isc_buffer_add(&namebuf, strlen(searchstr)); result = dns_name_fromtext(name, &namebuf, - dns_rootname, ISC_FALSE, - NULL); + dns_rootname, 0, NULL); if (result != ISC_R_SUCCESS) { isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, diff --git a/bin/named/lwresd.docbook b/bin/named/lwresd.docbook index f8e1500..934b5da 100644 --- a/bin/named/lwresd.docbook +++ b/bin/named/lwresd.docbook @@ -18,7 +18,7 @@ - PERFORMANCE OF THIS SOFTWARE. --> - + June 30, 2000 diff --git a/bin/named/lwresd.html b/bin/named/lwresd.html index dec47ca..223b1c2 100644 --- a/bin/named/lwresd.html +++ b/bin/named/lwresd.html @@ -14,7 +14,7 @@ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> - + diff --git a/bin/named/main.c b/bin/named/main.c index a1d94ff..84d86b1 100644 --- a/bin/named/main.c +++ b/bin/named/main.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: main.c,v 1.166.34.7 2010-09-15 12:16:49 marka Exp $ */ +/* $Id: main.c,v 1.180 2010-12-22 03:59:02 marka Exp $ */ /*! \file */ @@ -26,6 +26,7 @@ #include #include +#include #include #include #include @@ -69,6 +70,12 @@ #include #endif +#ifdef OPENSSL +#include +#endif +#ifdef HAVE_LIBXML2 +#include +#endif /* * Include header files for database drivers here. */ @@ -81,12 +88,20 @@ #include #endif +/* + * The maximum number of stack frames to dump on assertion failure. + */ +#ifndef BACKTRACE_MAXFRAME +#define BACKTRACE_MAXFRAME 128 +#endif + static isc_boolean_t want_stats = ISC_FALSE; static char program_name[ISC_DIR_NAMEMAX] = "named"; static char absolute_conffile[ISC_DIR_PATHMAX]; static char saved_command_line[512]; static char version[512]; static unsigned int maxsocks = 0; +static int maxudp = 0; void ns_main_earlywarning(const char *format, ...) { @@ -129,10 +144,20 @@ ns_main_earlyfatal(const char *format, ...) { exit(1); } +ISC_PLATFORM_NORETURN_PRE static void +assertion_failed(const char *file, int line, isc_assertiontype_t type, + const char *cond) ISC_PLATFORM_NORETURN_POST; + static void assertion_failed(const char *file, int line, isc_assertiontype_t type, const char *cond) { + void *tracebuf[BACKTRACE_MAXFRAME]; + int i, nframes; + isc_result_t result; + const char *logsuffix = ""; + const char *fname; + /* * Handle assertion failures. */ @@ -144,10 +169,40 @@ assertion_failed(const char *file, int line, isc_assertiontype_t type, */ isc_assertion_setcallback(NULL); + result = isc_backtrace_gettrace(tracebuf, BACKTRACE_MAXFRAME, + &nframes); + if (result == ISC_R_SUCCESS && nframes > 0) + logsuffix = ", back trace"; isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_MAIN, ISC_LOG_CRITICAL, - "%s:%d: %s(%s) failed", file, line, - isc_assertion_typetotext(type), cond); + "%s:%d: %s(%s) failed%s", file, line, + isc_assertion_typetotext(type), cond, logsuffix); + if (result == ISC_R_SUCCESS) { + for (i = 0; i < nframes; i++) { + unsigned long offset; + + fname = NULL; + result = isc_backtrace_getsymbol(tracebuf[i], + &fname, + &offset); + if (result == ISC_R_SUCCESS) { + isc_log_write(ns_g_lctx, + NS_LOGCATEGORY_GENERAL, + NS_LOGMODULE_MAIN, + ISC_LOG_CRITICAL, + "#%d %p in %s()+0x%lx", i, + tracebuf[i], fname, + offset); + } else { + isc_log_write(ns_g_lctx, + NS_LOGCATEGORY_GENERAL, + NS_LOGMODULE_MAIN, + ISC_LOG_CRITICAL, + "#%d %p in ??", i, + tracebuf[i]); + } + } + } isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_MAIN, ISC_LOG_CRITICAL, "exiting (due to assertion failure)"); @@ -162,9 +217,10 @@ assertion_failed(const char *file, int line, isc_assertiontype_t type, exit(1); } -static void +ISC_PLATFORM_NORETURN_PRE static void library_fatal_error(const char *file, int line, const char *format, - va_list args) ISC_FORMAT_PRINTF(3, 0); + va_list args) +ISC_FORMAT_PRINTF(3, 0) ISC_PLATFORM_NORETURN_POST; static void library_fatal_error(const char *file, int line, const char *format, @@ -248,8 +304,9 @@ usage(void) { } fprintf(stderr, "usage: named [-4|-6] [-c conffile] [-d debuglevel] " - "[-f|-g] [-n number_of_cpus]\n" - " [-p port] [-s] [-t chrootdir] [-u username]\n" + "[-E engine] [-f|-g]\n" + " [-n number_of_cpus] [-p port] [-s] " + "[-t chrootdir] [-u username]\n" " [-m {usage|trace|record|size|mctx}]\n"); } @@ -358,7 +415,7 @@ parse_command_line(int argc, char *argv[]) { isc_commandline_errprint = ISC_FALSE; while ((ch = isc_commandline_parse(argc, argv, - "46c:C:d:fgi:lm:n:N:p:P:" + "46c:C:d:E:fFgi:lm:n:N:p:P:" "sS:t:T:u:vVx:")) != -1) { switch (ch) { case '4': @@ -394,6 +451,9 @@ parse_command_line(int argc, char *argv[]) { ns_g_debuglevel = parse_int(isc_commandline_argument, "debug level"); break; + case 'E': + ns_g_engine = isc_commandline_argument; + break; case 'f': ns_g_foreground = ISC_TRUE; break; @@ -451,12 +511,16 @@ parse_command_line(int argc, char *argv[]) { * clienttest: make clients single shot with their * own memory context. */ - if (strcmp(isc_commandline_argument, "clienttest") == 0) + if (!strcmp(isc_commandline_argument, "clienttest")) ns_g_clienttest = ISC_TRUE; else if (!strcmp(isc_commandline_argument, "nosoa")) ns_g_nosoa = ISC_TRUE; else if (!strcmp(isc_commandline_argument, "noaa")) ns_g_noaa = ISC_TRUE; + else if (!strcmp(isc_commandline_argument, "maxudp512")) + maxudp = 512; + else if (!strcmp(isc_commandline_argument, "maxudp1460")) + maxudp = 1460; else fprintf(stderr, "unknown -T flag '%s\n", isc_commandline_argument); @@ -470,13 +534,25 @@ parse_command_line(int argc, char *argv[]) { case 'V': printf("BIND %s built with %s\n", ns_g_version, ns_g_configargs); +#ifdef OPENSSL + printf("using OpenSSL version: %s\n", + OPENSSL_VERSION_TEXT); +#endif +#ifdef HAVE_LIBXML2 + printf("using libxml2 version: %s\n", + LIBXML_DOTTED_VERSION); +#endif exit(0); + case 'F': + /* Reserved for FIPS mode */ + /* FALLTHROUGH */ case '?': usage(); if (isc_commandline_option == '?') exit(0); ns_main_earlyfatal("unknown option '-%c'", isc_commandline_option); + /* FALLTHROUGH */ default: ns_main_earlyfatal("parsing options returned %d", ch); } @@ -529,6 +605,7 @@ create_managers(void) { isc_result_totext(result)); return (ISC_R_UNEXPECTED); } + isc__socketmgr_maxudp(ns_g_socketmgr, maxudp); result = isc_socketmgr_getmaxsockets(ns_g_socketmgr, &socks); if (result == ISC_R_SUCCESS) { isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, @@ -579,6 +656,34 @@ destroy_managers(void) { } static void +dump_symboltable() { + int i; + isc_result_t result; + const char *fname; + const void *addr; + + if (isc__backtrace_nsymbols == 0) + return; + + if (!isc_log_wouldlog(ns_g_lctx, ISC_LOG_DEBUG(99))) + return; + + isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_MAIN, + ISC_LOG_DEBUG(99), "Symbol table:"); + + for (i = 0, result = ISC_R_SUCCESS; result == ISC_R_SUCCESS; i++) { + addr = NULL; + fname = NULL; + result = isc_backtrace_getsymbolfromindex(i, &addr, &fname); + if (result == ISC_R_SUCCESS) { + isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, + NS_LOGMODULE_MAIN, ISC_LOG_DEBUG(99), + "[%d] %p %s", i, addr, fname); + } + } +} + +static void setup(void) { isc_result_t result; isc_resourcevalue_t old_openfiles; @@ -685,6 +790,8 @@ setup(void) { isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_MAIN, ISC_LOG_NOTICE, "built with %s", ns_g_configargs); + dump_symboltable(); + /* * Get the initial resource limits. */ @@ -723,8 +830,8 @@ setup(void) { absolute_conffile, sizeof(absolute_conffile)); if (result != ISC_R_SUCCESS) - ns_main_earlyfatal("could not construct absolute path of " - "configuration file: %s", + ns_main_earlyfatal("could not construct absolute path " + "of configuration file: %s", isc_result_totext(result)); ns_g_conffile = absolute_conffile; } @@ -896,6 +1003,9 @@ main(int argc, char *argv[]) { if (strcmp(program_name, "lwresd") == 0) ns_g_lwresdonly = ISC_TRUE; + if (result != ISC_R_SUCCESS) + ns_main_earlyfatal("failed to build internal symbol table"); + isc_assertion_setcallback(assertion_failed); isc_error_setfatal(library_fatal_error); isc_error_setunexpected(library_unexpected_error); diff --git a/bin/named/named.8 b/bin/named/named.8 index 90782ed..23805b0 100644 --- a/bin/named/named.8 +++ b/bin/named/named.8 @@ -13,7 +13,7 @@ .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR .\" PERFORMANCE OF THIS SOFTWARE. .\" -.\" $Id: named.8,v 1.38.14.2 2009-12-03 05:06:38 tbox Exp $ +.\" $Id: named.8,v 1.41 2009-10-06 01:14:41 tbox Exp $ .\" .hy 0 .ad l @@ -33,7 +33,7 @@ named \- Internet domain name server .SH "SYNOPSIS" .HP 6 -\fBnamed\fR [\fB\-4\fR] [\fB\-6\fR] [\fB\-c\ \fR\fB\fIconfig\-file\fR\fR] [\fB\-d\ \fR\fB\fIdebug\-level\fR\fR] [\fB\-f\fR] [\fB\-g\fR] [\fB\-m\ \fR\fB\fIflag\fR\fR] [\fB\-n\ \fR\fB\fI#cpus\fR\fR] [\fB\-p\ \fR\fB\fIport\fR\fR] [\fB\-s\fR] [\fB\-S\ \fR\fB\fI#max\-socks\fR\fR] [\fB\-t\ \fR\fB\fIdirectory\fR\fR] [\fB\-u\ \fR\fB\fIuser\fR\fR] [\fB\-v\fR] [\fB\-V\fR] [\fB\-x\ \fR\fB\fIcache\-file\fR\fR] +\fBnamed\fR [\fB\-4\fR] [\fB\-6\fR] [\fB\-c\ \fR\fB\fIconfig\-file\fR\fR] [\fB\-d\ \fR\fB\fIdebug\-level\fR\fR] [\fB\-E\ \fR\fB\fIengine\-name\fR\fR] [\fB\-f\fR] [\fB\-g\fR] [\fB\-m\ \fR\fB\fIflag\fR\fR] [\fB\-n\ \fR\fB\fI#cpus\fR\fR] [\fB\-p\ \fR\fB\fIport\fR\fR] [\fB\-s\fR] [\fB\-S\ \fR\fB\fI#max\-socks\fR\fR] [\fB\-t\ \fR\fB\fIdirectory\fR\fR] [\fB\-u\ \fR\fB\fIuser\fR\fR] [\fB\-v\fR] [\fB\-V\fR] [\fB\-x\ \fR\fB\fIcache\-file\fR\fR] .SH "DESCRIPTION" .PP \fBnamed\fR @@ -83,6 +83,13 @@ Set the daemon's debug level to become more verbose as the debug level increases. .RE .PP +\-E \fIengine\-name\fR +.RS 4 +Use a crypto hardware (OpenSSL engine) for the crypto operations it supports, for instance re\-signing with private keys from a secure key store. When compiled with PKCS#11 support +\fIengine\-name\fR +defaults to pkcs11, the empty name resets it to no engine. +.RE +.PP \-f .RS 4 Run the server in the foreground (i.e. do not daemonize). diff --git a/bin/named/named.conf.5 b/bin/named/named.conf.5 index cd0d4ad..9dc7002b 100644 --- a/bin/named/named.conf.5 +++ b/bin/named/named.conf.5 @@ -1,4 +1,4 @@ -.\" Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") +.\" Copyright (C) 2004-2011 Internet Systems Consortium, Inc. ("ISC") .\" .\" Permission to use, copy, modify, and/or distribute this software for any .\" purpose with or without fee is hereby granted, provided that the above @@ -12,7 +12,7 @@ .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR .\" PERFORMANCE OF THIS SOFTWARE. .\" -.\" $Id: named.conf.5,v 1.36.48.1 2009-07-11 01:55:21 tbox Exp $ +.\" $Id: named.conf.5,v 1.44.12.1 2011-02-03 12:29:12 tbox Exp $ .\" .hy 0 .ad l @@ -102,6 +102,15 @@ trusted\-keys { }; .fi .RE +.SH "MANAGED\-KEYS" +.sp +.RS 4 +.nf +managed\-keys { + \fIdomain_name\fR \fBinitial\-key\fR \fIflags\fR \fIprotocol\fR \fIalgorithm\fR \fIkey\fR; ... +}; +.fi +.RE .SH "CONTROLS" .sp .RS 4 @@ -186,6 +195,7 @@ options { tcp\-listen\-queue \fIinteger\fR; tkey\-dhkey \fIquoted_string\fR \fIinteger\fR; tkey\-gssapi\-credential \fIquoted_string\fR; + tkey\-gssapi\-keytab \fIquoted_string\fR; tkey\-domain \fIquoted_string\fR; transfers\-per\-ns \fIinteger\fR; transfers\-in \fIinteger\fR; @@ -214,6 +224,7 @@ options { queryport\-pool\-ports \fIinteger\fR; queryport\-pool\-updateinterval \fIinteger\fR; cleaning\-interval \fIinteger\fR; + resolver\-query\-timeout \fIinteger\fR; min\-roots \fIinteger\fR; // not implemented lame\-ttl \fIinteger\fR; max\-ncache\-ttl \fIinteger\fR; @@ -244,8 +255,19 @@ options { dnssec\-enable \fIboolean\fR; dnssec\-validation \fIboolean\fR; dnssec\-lookaside \fIstring\fR trust\-anchor \fIstring\fR; + dnssec\-lookaside ( \fIauto\fR | \fIdomain\fR trust\-anchor \fIdomain\fR ); dnssec\-must\-be\-secure \fIstring\fR \fIboolean\fR; dnssec\-accept\-expired \fIboolean\fR; + dns64\-server \fIstring\fR; + dns64\-contact \fIstring\fR; + dns64 \fIprefix\fR { + clients { acl; }; + exclude { acl; }; + mapped { acl; }; + break\-dnssec \fIboolean\fR; + recursive\-only \fIboolean\fR; + suffix \fIipv6_address\fR; + }; empty\-server \fIstring\fR; empty\-contact \fIstring\fR; empty\-zones\-enable \fIboolean\fR; @@ -260,6 +282,7 @@ options { allow\-update { \fIaddress_match_element\fR; ... }; allow\-update\-forwarding { \fIaddress_match_element\fR; ... }; update\-check\-ksk \fIboolean\fR; + dnssec\-dnskey\-kskonly \fIboolean\fR; masterfile\-format ( text | raw ); notify \fInotifytype\fR; notify\-source ( \fIipv4_address\fR | * ) [ port ( \fIinteger\fR | * ) ]; @@ -299,9 +322,18 @@ options { use\-alt\-transfer\-source \fIboolean\fR; zone\-statistics \fIboolean\fR; key\-directory \fIquoted_string\fR; + managed\-keys\-directory \fIquoted_string\fR; + auto\-dnssec \fBallow\fR|\fBmaintain\fR|\fBcreate\fR|\fBoff\fR; try\-tcp\-refresh \fIboolean\fR; zero\-no\-soa\-ttl \fIboolean\fR; zero\-no\-soa\-ttl\-cache \fIboolean\fR; + dnssec\-secure\-to\-insecure \fIboolean\fR; + deny\-answer\-addresses { + \fIaddress_match_list\fR + } [ except\-from { \fInamelist\fR } ]; + deny\-answer\-aliases { + \fInamelist\fR + } [ except\-from { \fInamelist\fR } ]; nsec3\-test\-zone \fIboolean\fR; // testing only allow\-v6\-synthesis { \fIaddress_match_element\fR; ... }; // obsolete deallocate\-on\-exit \fIboolean\fR; // obsolete @@ -337,7 +369,8 @@ view \fIstring\fR \fIoptional_class\fR { ... }; trusted\-keys { - \fIstring\fR \fIinteger\fR \fIinteger\fR \fIinteger\fR \fIquoted_string\fR; ... + \fIstring\fR \fIinteger\fR \fIinteger\fR \fIinteger\fR \fIquoted_string\fR; + [...] }; allow\-recursion { \fIaddress_match_element\fR; ... }; allow\-recursion\-on { \fIaddress_match_element\fR; ... }; @@ -361,6 +394,7 @@ view \fIstring\fR \fIoptional_class\fR { queryport\-pool\-ports \fIinteger\fR; queryport\-pool\-updateinterval \fIinteger\fR; cleaning\-interval \fIinteger\fR; + resolver\-query\-timeout \fIinteger\fR; min\-roots \fIinteger\fR; // not implemented lame\-ttl \fIinteger\fR; max\-ncache\-ttl \fIinteger\fR; @@ -393,6 +427,16 @@ view \fIstring\fR \fIoptional_class\fR { dnssec\-lookaside \fIstring\fR trust\-anchor \fIstring\fR; dnssec\-must\-be\-secure \fIstring\fR \fIboolean\fR; dnssec\-accept\-expired \fIboolean\fR; + dns64\-server \fIstring\fR; + dns64\-contact \fIstring\fR; + dns64 \fIprefix\fR { + clients { acl; }; + exclude { acl; }; + mapped { acl; }; + break\-dnssec \fIboolean\fR; + recursive\-only \fIboolean\fR; + suffix \fIipv6_address\fR; + }; empty\-server \fIstring\fR; empty\-contact \fIstring\fR; empty\-zones\-enable \fIboolean\fR; @@ -407,6 +451,7 @@ view \fIstring\fR \fIoptional_class\fR { allow\-update { \fIaddress_match_element\fR; ... }; allow\-update\-forwarding { \fIaddress_match_element\fR; ... }; update\-check\-ksk \fIboolean\fR; + dnssec\-dnskey\-kskonly \fIboolean\fR; masterfile\-format ( text | raw ); notify \fInotifytype\fR; notify\-source ( \fIipv4_address\fR | * ) [ port ( \fIinteger\fR | * ) ]; @@ -445,6 +490,7 @@ view \fIstring\fR \fIoptional_class\fR { key\-directory \fIquoted_string\fR; zero\-no\-soa\-ttl \fIboolean\fR; zero\-no\-soa\-ttl\-cache \fIboolean\fR; + dnssec\-secure\-to\-insecure \fIboolean\fR; allow\-v6\-synthesis { \fIaddress_match_element\fR; ... }; // obsolete fetch\-glue \fIboolean\fR; // obsolete maintain\-ixfr\-base \fIboolean\fR; // obsolete @@ -476,19 +522,22 @@ zone \fIstring\fR \fIoptional_class\fR { ixfr\-from\-differences \fIboolean\fR; journal \fIquoted_string\fR; zero\-no\-soa\-ttl \fIboolean\fR; + dnssec\-secure\-to\-insecure \fIboolean\fR; allow\-query { \fIaddress_match_element\fR; ... }; allow\-query\-on { \fIaddress_match_element\fR; ... }; allow\-transfer { \fIaddress_match_element\fR; ... }; allow\-update { \fIaddress_match_element\fR; ... }; allow\-update\-forwarding { \fIaddress_match_element\fR; ... }; - update\-policy { - ( grant | deny ) \fIstring\fR + update\-policy \fIlocal\fR | \fI { + ( grant | deny ) \fR\fI\fIstring\fR\fR\fI ( name | subdomain | wildcard | self | selfsub | selfwild | krb5\-self | ms\-self | krb5\-subdomain | ms\-subdomain | - tcp\-self | 6to4\-self ) \fIstring\fR - \fIrrtypelist\fR; ... - }; + tcp\-self | zonesub | 6to4\-self ) \fR\fI\fIstring\fR\fR\fI + \fR\fI\fIrrtypelist\fR\fR\fI; + \fR\fI[...]\fR\fI + }\fR; update\-check\-ksk \fIboolean\fR; + dnssec\-dnskey\-kskonly \fIboolean\fR; masterfile\-format ( text | raw ); notify \fInotifytype\fR; notify\-source ( \fIipv4_address\fR | * ) [ port ( \fIinteger\fR | * ) ]; @@ -544,5 +593,5 @@ zone \fIstring\fR \fIoptional_class\fR { \fBrndc\fR(8), BIND 9 Administrator Reference Manual. .SH "COPYRIGHT" -Copyright \(co 2004\-2008 Internet Systems Consortium, Inc. ("ISC") +Copyright \(co 2004\-2011 Internet Systems Consortium, Inc. ("ISC") .br diff --git a/bin/named/named.conf.docbook b/bin/named/named.conf.docbook index d98e289..962eaaa 100644 --- a/bin/named/named.conf.docbook +++ b/bin/named/named.conf.docbook @@ -2,7 +2,7 @@ "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" []> - + Aug 13, 2004 @@ -41,6 +41,9 @@ 2006 2007 2008 + 2009 + 2010 + 2011 Internet Systems Consortium, Inc. ("ISC")     @@ -132,6 +135,15 @@ trusted-keys { + MANAGED-KEYS + +managed-keys { + domain_name initial-key flags protocol algorithm key; ... +}; + + + + CONTROLS controls { @@ -214,6 +226,7 @@ options { tcp-listen-queue integer; tkey-dhkey quoted_string integer; tkey-gssapi-credential quoted_string; + tkey-gssapi-keytab quoted_string; tkey-domain quoted_string; transfers-per-ns integer; transfers-in integer; @@ -242,6 +255,7 @@ options { queryport-pool-ports integer; queryport-pool-updateinterval integer; cleaning-interval integer; + resolver-query-timeout integer; min-roots integer; // not implemented lame-ttl integer; max-ncache-ttl integer; @@ -272,9 +286,21 @@ options { dnssec-enable boolean; dnssec-validation boolean; dnssec-lookaside string trust-anchor string; + dnssec-lookaside ( auto | domain trust-anchor domain ); dnssec-must-be-secure string boolean; dnssec-accept-expired boolean; + dns64-server string; + dns64-contact string; + dns64 prefix { + clients { acl; }; + exclude { acl; }; + mapped { acl; }; + break-dnssec boolean; + recursive-only boolean; + suffix ipv6_address; + }; + empty-server string; empty-contact string; empty-zones-enable boolean; @@ -291,6 +317,7 @@ options { allow-update { address_match_element; ... }; allow-update-forwarding { address_match_element; ... }; update-check-ksk boolean; + dnssec-dnskey-kskonly boolean; masterfile-format ( text | raw ); notify notifytype; @@ -337,9 +364,18 @@ options { zone-statistics boolean; key-directory quoted_string; + managed-keys-directory quoted_string; + auto-dnssec allow|maintain|create|off; try-tcp-refresh boolean; zero-no-soa-ttl boolean; zero-no-soa-ttl-cache boolean; + dnssec-secure-to-insecure boolean; + deny-answer-addresses { + address_match_list + } except-from { namelist } ; + deny-answer-aliases { + namelist + } except-from { namelist } ; nsec3-test-zone boolean; // testing only @@ -381,7 +417,8 @@ view string optional_class }; trusted-keys { - string integer integer integer quoted_string; ... + string integer integer integer quoted_string; + ... }; allow-recursion { address_match_element; ... }; @@ -406,6 +443,7 @@ view string optional_class queryport-pool-ports integer; queryport-pool-updateinterval integer; cleaning-interval integer; + resolver-query-timeout integer; min-roots integer; // not implemented lame-ttl integer; max-ncache-ttl integer; @@ -439,6 +477,17 @@ view string optional_class dnssec-must-be-secure string boolean; dnssec-accept-expired boolean; + dns64-server string; + dns64-contact string; + dns64 prefix { + clients { acl; }; + exclude { acl; }; + mapped { acl; }; + break-dnssec boolean; + recursive-only boolean; + suffix ipv6_address; + }; + empty-server string; empty-contact string; empty-zones-enable boolean; @@ -455,6 +504,7 @@ view string optional_class allow-update { address_match_element; ... }; allow-update-forwarding { address_match_element; ... }; update-check-ksk boolean; + dnssec-dnskey-kskonly boolean; masterfile-format ( text | raw ); notify notifytype; @@ -499,6 +549,7 @@ view string optional_class key-directory quoted_string; zero-no-soa-ttl boolean; zero-no-soa-ttl-cache boolean; + dnssec-secure-to-insecure boolean; allow-v6-synthesis { address_match_element; ... }; // obsolete fetch-glue boolean; // obsolete @@ -533,20 +584,23 @@ zone string optional_class ixfr-from-differences boolean; journal quoted_string; zero-no-soa-ttl boolean; + dnssec-secure-to-insecure boolean; allow-query { address_match_element; ... }; allow-query-on { address_match_element; ... }; allow-transfer { address_match_element; ... }; allow-update { address_match_element; ... }; allow-update-forwarding { address_match_element; ... }; - update-policy { + update-policy local | { ( grant | deny ) string ( name | subdomain | wildcard | self | selfsub | selfwild | krb5-self | ms-self | krb5-subdomain | ms-subdomain | - tcp-self | 6to4-self ) string - rrtypelist; ... - }; + tcp-self | zonesub | 6to4-self ) string + rrtypelist; + ... + }; update-check-ksk boolean; + dnssec-dnskey-kskonly boolean; masterfile-format ( text | raw ); notify notifytype; diff --git a/bin/named/named.conf.html b/bin/named/named.conf.html index fccad18..f20e411 100644 --- a/bin/named/named.conf.html +++ b/bin/named/named.conf.html @@ -1,5 +1,5 @@ - + @@ -31,7 +31,7 @@

    named.conf

    -

    DESCRIPTION

    +

    DESCRIPTION

    named.conf is the configuration file for named. Statements are enclosed @@ -50,14 +50,14 @@

    -

    ACL

    +

    ACL


    acl string { address_match_element; ... };

    -

    KEY

    +

    KEY


    key domain_name {
    algorithm string;
    @@ -66,7 +66,7 @@ key

    -

    MASTERS

    +

    MASTERS


    masters string [ port integer ] {
    ( masters | ipv4_address [port integer] |
    @@ -75,7 +75,7 @@ masters

    -

    SERVER

    +

    SERVER


    server ( ipv4_address[/prefixlen] | ipv6_address[/prefixlen] ) {
    bogus boolean;
    @@ -97,7 +97,7 @@ server

    -

    TRUSTED-KEYS

    +

    TRUSTED-KEYS


    trusted-keys {
    domain_name flags protocol algorithm key; ... 
    @@ -105,7 +105,15 @@ trusted-keys

    -

    CONTROLS

    +

    MANAGED-KEYS

    +


    +managed-keys {
    + domain_name initial-key flags protocol algorithm key; ... 
    +};
    +

    +
    +
    +

    CONTROLS


    controls {
    inet ( ipv4_address | ipv6_address | * )
    @@ -117,7 +125,7 @@ controls

    -

    LOGGING

    +

    LOGGING


    logging {
    channel string {
    @@ -135,7 +143,7 @@ logging

    -

    LWRES

    +

    LWRES


    lwres {
    listen-on [ port integer ] {
    @@ -148,7 +156,7 @@ lwres

    -

    OPTIONS

    +

    OPTIONS


    options {
    avoid-v4-udp-ports { port; ... };
    @@ -184,6 +192,7 @@ options tcp-listen-queue integer;
    tkey-dhkey quoted_string integer;
    tkey-gssapi-credential quoted_string;
    + tkey-gssapi-keytab quoted_string;
    tkey-domain quoted_string;
    transfers-per-ns integer;
    transfers-in integer;
    @@ -212,6 +221,7 @@ options queryport-pool-ports integer;
    queryport-pool-updateinterval integer;
    cleaning-interval integer;
    + resolver-query-timeout integer;
    min-roots integer; // not implemented
    lame-ttl integer;
    max-ncache-ttl integer;
    @@ -242,9 +252,21 @@ options dnssec-enable boolean;
    dnssec-validation boolean;
    dnssec-lookaside string trust-anchor string;
    + dnssec-lookaside ( auto | domain trust-anchor domain );
    dnssec-must-be-secure string boolean;
    dnssec-accept-expired boolean;

    + dns64-server string;
    + dns64-contact string;
    + dns64 prefix {
    + clients { <replacable>acl</replacable>; };
    + exclude { <replacable>acl</replacable>; };
    + mapped { <replacable>acl</replacable>; };
    + break-dnssec boolean;
    + recursive-only boolean;
    + suffix ipv6_address;
    + };
    +
    empty-server string;
    empty-contact string;
    empty-zones-enable boolean;
    @@ -261,6 +283,7 @@ options allow-update { address_match_element; ... };
    allow-update-forwarding { address_match_element; ... };
    update-check-ksk boolean;
    + dnssec-dnskey-kskonly boolean;

    masterfile-format ( text | raw );
    notify notifytype;
    @@ -307,9 +330,18 @@ options
    zone-statistics boolean;
    key-directory quoted_string;
    + managed-keys-directory quoted_string;
    + auto-dnssec allow|maintain|create|off;
    try-tcp-refresh boolean;
    zero-no-soa-ttl boolean;
    zero-no-soa-ttl-cache boolean;
    + dnssec-secure-to-insecure boolean;
    + deny-answer-addresses {
    + address_match_list
    + } [ except-from { namelist } ];
    + deny-answer-aliases {
    + namelist
    + } [ except-from { namelist } ];

    nsec3-test-zone boolean;  // testing only

    @@ -329,7 +361,7 @@ options

    -

    VIEW

    +

    VIEW


    view string optional_class {
    match-clients { address_match_element; ... };
    @@ -350,7 +382,8 @@ view };

    trusted-keys {
    - string integer integer integer quoted_string; ...
    + string integer integer integer quoted_string;
    + [...]
    };

    allow-recursion { address_match_element; ... };
    @@ -375,6 +408,7 @@ view queryport-pool-ports integer;
    queryport-pool-updateinterval integer;
    cleaning-interval integer;
    + resolver-query-timeout integer;
    min-roots integer; // not implemented
    lame-ttl integer;
    max-ncache-ttl integer;
    @@ -408,6 +442,17 @@ view dnssec-must-be-secure string boolean;
    dnssec-accept-expired boolean;

    + dns64-server string;
    + dns64-contact string;
    + dns64 prefix {
    + clients { <replacable>acl</replacable>; };
    + exclude { <replacable>acl</replacable>; };
    + mapped { <replacable>acl</replacable>; };
    + break-dnssec boolean;
    + recursive-only boolean;
    + suffix ipv6_address;
    + };
    +
    empty-server string;
    empty-contact string;
    empty-zones-enable boolean;
    @@ -424,6 +469,7 @@ view allow-update { address_match_element; ... };
    allow-update-forwarding { address_match_element; ... };
    update-check-ksk boolean;
    + dnssec-dnskey-kskonly boolean;

    masterfile-format ( text | raw );
    notify notifytype;
    @@ -468,6 +514,7 @@ view key-directory quoted_string;
    zero-no-soa-ttl boolean;
    zero-no-soa-ttl-cache boolean;
    + dnssec-secure-to-insecure boolean;

    allow-v6-synthesis { address_match_element; ... }; // obsolete
    fetch-glue boolean; // obsolete
    @@ -477,7 +524,7 @@ view

    -

    ZONE

    +

    ZONE


    zone string optional_class {
    type ( master | slave | stub | hint |
    @@ -501,20 +548,23 @@ zone ixfr-from-differences boolean;
    journal quoted_string;
    zero-no-soa-ttl boolean;
    + dnssec-secure-to-insecure boolean;

    allow-query { address_match_element; ... };
    allow-query-on { address_match_element; ... };
    allow-transfer { address_match_element; ... };
    allow-update { address_match_element; ... };
    allow-update-forwarding { address_match_element; ... };
    - update-policy {
    + update-policy local |  {
    ( grant | deny ) string
    ( name | subdomain | wildcard | self | selfsub | selfwild |
                      krb5-self | ms-self | krb5-subdomain | ms-subdomain |
    -   tcp-self | 6to4-self ) string
    - rrtypelist; ...
    - };
    +   tcp-self | zonesub | 6to4-self ) string
    + rrtypelist;
    + [...]
    + }    ;
    update-check-ksk boolean;
    + dnssec-dnskey-kskonly boolean;

    masterfile-format ( text | raw );
    notify notifytype;
    @@ -569,12 +619,12 @@ zone

    -

    FILES

    +

    FILES

    /etc/named.conf

    -

    SEE ALSO

    +

    SEE ALSO

    named(8), named-checkconf(8), rndc(8), diff --git a/bin/named/named.docbook b/bin/named/named.docbook index 808e998..214f8ac 100644 --- a/bin/named/named.docbook +++ b/bin/named/named.docbook @@ -18,7 +18,7 @@ - PERFORMANCE OF THIS SOFTWARE. --> - + May 21, 2009 @@ -60,6 +60,7 @@ + @@ -116,6 +117,7 @@ + -c config-file @@ -145,6 +147,19 @@ + -E engine-name + + + Use a crypto hardware (OpenSSL engine) for the crypto operations + it supports, for instance re-signing with private keys from + a secure key store. When compiled with PKCS#11 support + engine-name + defaults to pkcs11, the empty name resets it to no engine. + + + + + -f diff --git a/bin/named/named.html b/bin/named/named.html index 031b492..fa869c4 100644 --- a/bin/named/named.html +++ b/bin/named/named.html @@ -14,7 +14,7 @@ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> - + @@ -29,10 +29,10 @@

    Synopsis

    -

    named [-4] [-6] [-c config-file] [-d debug-level] [-f] [-g] [-m flag] [-n #cpus] [-p port] [-s] [-S #max-socks] [-t directory] [-u user] [-v] [-V] [-x cache-file]

    +

    named [-4] [-6] [-c config-file] [-d debug-level] [-E engine-name] [-f] [-g] [-m flag] [-n #cpus] [-p port] [-s] [-S #max-socks] [-t directory] [-u user] [-v] [-V] [-x cache-file]

    -

    DESCRIPTION

    +

    DESCRIPTION

    named is a Domain Name System (DNS) server, part of the BIND 9 distribution from ISC. For more @@ -47,7 +47,7 @@

    -

    OPTIONS

    +

    OPTIONS

    -4

    @@ -79,6 +79,14 @@ Debugging traces from named become more verbose as the debug level increases.

    +
    -E engine-name
    +

    + Use a crypto hardware (OpenSSL engine) for the crypto operations + it supports, for instance re-signing with private keys from + a secure key store. When compiled with PKCS#11 support + engine-name + defaults to pkcs11, the empty name resets it to no engine. +

    -f

    Run the server in the foreground (i.e. do not daemonize). @@ -220,7 +228,7 @@

    -

    SIGNALS

    +

    SIGNALS

    In routine operation, signals should not be used to control the nameserver; rndc should be used @@ -241,7 +249,7 @@

    -

    CONFIGURATION

    +

    CONFIGURATION

    The named configuration file is too complex to describe in detail here. A complete description is provided @@ -258,7 +266,7 @@

    -

    FILES

    +

    FILES

    /etc/named.conf

    @@ -271,7 +279,7 @@

    -

    SEE ALSO

    +

    SEE ALSO

    RFC 1033, RFC 1034, RFC 1035, @@ -284,7 +292,7 @@

    -

    AUTHOR

    +

    AUTHOR

    Internet Systems Consortium

    diff --git a/bin/named/query.c b/bin/named/query.c index fa34da6..1950257 100644 --- a/bin/named/query.c +++ b/bin/named/query.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2010 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2011 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: query.c,v 1.313.20.24 2010-09-24 08:09:07 marka Exp $ */ +/* $Id: query.c,v 1.353.8.2.2.5 2011-06-09 03:17:10 marka Exp $ */ /*! \file */ @@ -34,6 +34,7 @@ #ifdef DLZ #include #endif +#include #include #include #include @@ -62,6 +63,17 @@ #include #include +#if 0 +/* + * It has been recommended that DNS64 be changed to return excluded + * AAAA addresses if DNS64 synthesis does not occur. This minimises + * the impact on the lookup results. While most DNS AAAA lookups are + * done to send IP packets to a host, not all of them are and filtering + * excluded addresses has a negative impact on those uses. + */ +#define dns64_bis_return_excluded_addresses 1 +#endif + /*% Partial answer? */ #define PARTIALANSWER(c) (((c)->query.attributes & \ NS_QUERYATTR_PARTIALANSWER) != 0) @@ -92,6 +104,12 @@ /*% Secure? */ #define SECURE(c) (((c)->query.attributes & \ NS_QUERYATTR_SECURE) != 0) +/*% DNS64 A lookup? */ +#define DNS64(c) (((c)->query.attributes & \ + NS_QUERYATTR_DNS64) != 0) + +#define DNS64EXCLUDE(c) (((c)->query.attributes & \ + NS_QUERYATTR_DNS64EXCLUDE) != 0) /*% No QNAME Proof? */ #define NOQNAME(r) (((r)->attributes & \ @@ -116,6 +134,7 @@ #define DNS_GETDB_NOEXACT 0x01U #define DNS_GETDB_NOLOG 0x02U #define DNS_GETDB_PARTIAL 0x04U +#define DNS_GETDB_IGNOREACL 0x08U #define PENDINGOK(x) (((x) & DNS_DBFIND_PENDINGOK) != 0) @@ -141,6 +160,9 @@ query_findclosestnsec3(dns_name_t *qname, dns_db_t *db, static inline void log_queryerror(ns_client_t *client, isc_result_t result, int line, int level); +static void +rpz_st_clear(ns_client_t *client); + /*% * Increment query statistics counters. */ @@ -252,6 +274,19 @@ ns_query_cancel(ns_client_t *client) { } static inline void +query_putrdataset(ns_client_t *client, dns_rdataset_t **rdatasetp) { + dns_rdataset_t *rdataset = *rdatasetp; + + CTRACE("query_putrdataset"); + if (rdataset != NULL) { + if (dns_rdataset_isassociated(rdataset)) + dns_rdataset_disassociate(rdataset); + dns_message_puttemprdataset(client->message, rdatasetp); + } + CTRACE("query_putrdataset: done"); +} + +static inline void query_reset(ns_client_t *client, isc_boolean_t everything) { isc_buffer_t *dbuf, *dbuf_next; ns_dbversion_t *dbversion, *dbversion_next; @@ -285,6 +320,18 @@ query_reset(ns_client_t *client, isc_boolean_t everything) { if (client->query.authzone != NULL) dns_zone_detach(&client->query.authzone); + if (client->query.dns64_aaaa != NULL) + query_putrdataset(client, &client->query.dns64_aaaa); + if (client->query.dns64_sigaaaa != NULL) + query_putrdataset(client, &client->query.dns64_sigaaaa); + if (client->query.dns64_aaaaok != NULL) { + isc_mem_put(client->mctx, client->query.dns64_aaaaok, + client->query.dns64_aaaaoklen * + sizeof(isc_boolean_t)); + client->query.dns64_aaaaok = NULL; + client->query.dns64_aaaaoklen = 0; + } + query_freefreeversions(client, everything); for (dbuf = ISC_LIST_HEAD(client->query.namebufs); @@ -310,13 +357,22 @@ query_reset(ns_client_t *client, isc_boolean_t everything) { NS_QUERYATTR_SECURE); client->query.restarts = 0; client->query.timerset = ISC_FALSE; + if (client->query.rpz_st != NULL) { + rpz_st_clear(client); + if (everything) { + isc_mem_put(client->mctx, client->query.rpz_st, + sizeof(*client->query.rpz_st)); + client->query.rpz_st = NULL; + } + } client->query.origqname = NULL; - client->query.qname = NULL; client->query.dboptions = 0; client->query.fetchoptions = 0; client->query.gluedb = NULL; client->query.authdbset = ISC_FALSE; client->query.isreferral = ISC_FALSE; + client->query.dns64_options = 0; + client->query.dns64_ttl = ISC_UINT32_MAX; } static void @@ -473,20 +529,6 @@ query_newrdataset(ns_client_t *client) { return (rdataset); } -static inline void -query_putrdataset(ns_client_t *client, dns_rdataset_t **rdatasetp) { - dns_rdataset_t *rdataset = *rdatasetp; - - CTRACE("query_putrdataset"); - if (rdataset != NULL) { - if (dns_rdataset_isassociated(rdataset)) - dns_rdataset_disassociate(rdataset); - dns_message_puttemprdataset(client->message, rdatasetp); - } - CTRACE("query_putrdataset: done"); -} - - static inline isc_result_t query_newdbversion(ns_client_t *client, unsigned int n) { unsigned int i; @@ -540,6 +582,7 @@ ns_query_init(ns_client_t *client) { ISC_LIST_INIT(client->query.freeversions); client->query.restarts = 0; client->query.timerset = ISC_FALSE; + client->query.rpz_st = NULL; client->query.qname = NULL; result = isc_mutex_init(&client->query.fetchlock); if (result != ISC_R_SUCCESS) @@ -549,6 +592,10 @@ ns_query_init(ns_client_t *client) { client->query.authzone = NULL; client->query.authdbset = ISC_FALSE; client->query.isreferral = ISC_FALSE; + client->query.dns64_aaaa = NULL; + client->query.dns64_sigaaaa = NULL; + client->query.dns64_aaaaok = NULL; + client->query.dns64_aaaaoklen = 0; query_reset(client, ISC_FALSE); result = query_newdbversion(client, 3); if (result != ISC_R_SUCCESS) { @@ -563,8 +610,7 @@ ns_query_init(ns_client_t *client) { } static inline ns_dbversion_t * -query_findversion(ns_client_t *client, dns_db_t *db, - isc_boolean_t *newzonep) +query_findversion(ns_client_t *client, dns_db_t *db) { ns_dbversion_t *dbversion; @@ -590,12 +636,11 @@ query_findversion(ns_client_t *client, dns_db_t *db, return (NULL); dns_db_attach(db, &dbversion->db); dns_db_currentversion(db, &dbversion->version); + dbversion->acl_checked = ISC_FALSE; dbversion->queryok = ISC_FALSE; ISC_LIST_APPEND(client->query.activeversions, dbversion, link); - *newzonep = ISC_TRUE; - } else - *newzonep = ISC_FALSE; + } return (dbversion); } @@ -607,7 +652,6 @@ query_validatezonedb(ns_client_t *client, dns_name_t *name, dns_dbversion_t **versionp) { isc_result_t result; - isc_boolean_t check_acl, new_zone; dns_acl_t *queryacl; ns_dbversion_t *dbversion; @@ -623,7 +667,17 @@ query_validatezonedb(ns_client_t *client, dns_name_t *name, if (!client->view->additionalfromauth && client->query.authdbset && db != client->query.authdb) - goto refuse; + return (DNS_R_REFUSED); + + /* + * Non recursive query to a static-stub zone is prohibited; its + * zone content is not public data, but a part of local configuration + * and should not be disclosed. + */ + if (dns_zone_gettype(zone) == dns_zone_staticstub && + !RECURSIONOK(client)) { + return (DNS_R_REFUSED); + } /* * If the zone has an ACL, we'll check it, otherwise @@ -633,23 +687,19 @@ query_validatezonedb(ns_client_t *client, dns_name_t *name, * Also, get the database version to use. */ - check_acl = ISC_TRUE; /* Keep compiler happy. */ - queryacl = NULL; - /* * Get the current version of this database. */ - dbversion = query_findversion(client, db, &new_zone); - if (dbversion == NULL) { - result = DNS_R_SERVFAIL; - goto fail; - } - if (new_zone) { - check_acl = ISC_TRUE; - } else if (!dbversion->queryok) { - goto refuse; - } else { - check_acl = ISC_FALSE; + dbversion = query_findversion(client, db); + if (dbversion == NULL) + return (DNS_R_SERVFAIL); + + if ((options & DNS_GETDB_IGNOREACL) != 0) + goto approved; + if (dbversion->acl_checked) { + if (!dbversion->queryok) + return (DNS_R_REFUSED); + goto approved; } queryacl = dns_zone_getqueryacl(zone); @@ -663,88 +713,69 @@ query_validatezonedb(ns_client_t *client, dns_name_t *name, * allowed to make queries, otherwise the query should * be refused. */ - check_acl = ISC_FALSE; + dbversion->acl_checked = ISC_TRUE; if ((client->query.attributes & - NS_QUERYATTR_QUERYOK) == 0) - goto refuse; - } else { - /* - * We haven't evaluated the view's queryacl yet. - */ - check_acl = ISC_TRUE; + NS_QUERYATTR_QUERYOK) == 0) { + dbversion->queryok = ISC_FALSE; + return (DNS_R_REFUSED); + } + dbversion->queryok = ISC_TRUE; + goto approved; } } - if (check_acl) { - isc_boolean_t log = ISC_TF((options & DNS_GETDB_NOLOG) == 0); - - result = ns_client_checkaclsilent(client, NULL, queryacl, - ISC_TRUE); - if (log) { - char msg[NS_CLIENT_ACLMSGSIZE("query")]; - if (result == ISC_R_SUCCESS) { - if (isc_log_wouldlog(ns_g_lctx, - ISC_LOG_DEBUG(3))) - { - ns_client_aclmsg("query", name, qtype, - client->view->rdclass, - msg, sizeof(msg)); - ns_client_log(client, - DNS_LOGCATEGORY_SECURITY, - NS_LOGMODULE_QUERY, - ISC_LOG_DEBUG(3), - "%s approved", msg); - } - } else { + result = ns_client_checkaclsilent(client, NULL, queryacl, ISC_TRUE); + if ((options & DNS_GETDB_NOLOG) == 0) { + char msg[NS_CLIENT_ACLMSGSIZE("query")]; + if (result == ISC_R_SUCCESS) { + if (isc_log_wouldlog(ns_g_lctx, ISC_LOG_DEBUG(3))) { ns_client_aclmsg("query", name, qtype, client->view->rdclass, msg, sizeof(msg)); - ns_client_log(client, DNS_LOGCATEGORY_SECURITY, - NS_LOGMODULE_QUERY, ISC_LOG_INFO, - "%s denied", msg); + ns_client_log(client, + DNS_LOGCATEGORY_SECURITY, + NS_LOGMODULE_QUERY, + ISC_LOG_DEBUG(3), + "%s approved", msg); } + } else { + ns_client_aclmsg("query", name, qtype, + client->view->rdclass, + msg, sizeof(msg)); + ns_client_log(client, DNS_LOGCATEGORY_SECURITY, + NS_LOGMODULE_QUERY, ISC_LOG_INFO, + "%s denied", msg); } + } - if (queryacl == client->view->queryacl) { - if (result == ISC_R_SUCCESS) { - /* - * We were allowed by the default - * "allow-query" ACL. Remember this so we - * don't have to check again. - */ - client->query.attributes |= - NS_QUERYATTR_QUERYOK; - } + if (queryacl == client->view->queryacl) { + if (result == ISC_R_SUCCESS) { /* - * We've now evaluated the view's query ACL, and - * the NS_QUERYATTR_QUERYOK attribute is now valid. + * We were allowed by the default + * "allow-query" ACL. Remember this so we + * don't have to check again. */ - client->query.attributes |= NS_QUERYATTR_QUERYOKVALID; + client->query.attributes |= NS_QUERYATTR_QUERYOK; } - - if (result != ISC_R_SUCCESS) - goto refuse; + /* + * We've now evaluated the view's query ACL, and + * the NS_QUERYATTR_QUERYOK attribute is now valid. + */ + client->query.attributes |= NS_QUERYATTR_QUERYOKVALID; } - /* Approved. */ - - /* - * Remember the result of the ACL check so we - * don't have to check again. - */ + dbversion->acl_checked = ISC_TRUE; + if (result != ISC_R_SUCCESS) { + dbversion->queryok = ISC_FALSE; + return (DNS_R_REFUSED); + } dbversion->queryok = ISC_TRUE; + approved: /* Transfer ownership, if necessary. */ if (versionp != NULL) *versionp = dbversion->version; - return (ISC_R_SUCCESS); - - refuse: - return (DNS_R_REFUSED); - - fail: - return (result); } static inline isc_result_t @@ -800,6 +831,97 @@ query_getzonedb(ns_client_t *client, dns_name_t *name, dns_rdatatype_t qtype, return (result); } +static void +rpz_log(ns_client_t *client) { + char namebuf1[DNS_NAME_FORMATSIZE]; + char namebuf2[DNS_NAME_FORMATSIZE]; + dns_rpz_st_t *st; + const char *pat; + + if (!ns_g_server->log_queries || + !isc_log_wouldlog(ns_g_lctx, DNS_RPZ_INFO_LEVEL)) + return; + + st = client->query.rpz_st; + dns_name_format(client->query.qname, namebuf1, sizeof(namebuf1)); + dns_name_format(st->qname, namebuf2, sizeof(namebuf2)); + + switch (st->m.policy) { + case DNS_RPZ_POLICY_NO_OP: + pat ="response policy %s rewrite %s NO-OP using %s"; + break; + case DNS_RPZ_POLICY_NXDOMAIN: + pat = "response policy %s rewrite %s to NXDOMAIN using %s"; + break; + case DNS_RPZ_POLICY_NODATA: + pat = "response policy %s rewrite %s to NODATA using %s"; + break; + case DNS_RPZ_POLICY_RECORD: + case DNS_RPZ_POLICY_CNAME: + pat = "response policy %s rewrite %s using %s"; + break; + default: + INSIST(0); + } + ns_client_log(client, NS_LOGCATEGORY_QUERIES, NS_LOGMODULE_QUERY, + DNS_RPZ_INFO_LEVEL, pat, dns_rpz_type2str(st->m.type), + namebuf1, namebuf2); +} + +static void +rpz_fail_log(ns_client_t *client, int level, dns_rpz_type_t rpz_type, + dns_name_t *name, const char *str, isc_result_t result) +{ + char namebuf1[DNS_NAME_FORMATSIZE]; + char namebuf2[DNS_NAME_FORMATSIZE]; + + if (!ns_g_server->log_queries || !isc_log_wouldlog(ns_g_lctx, level)) + return; + + dns_name_format(client->query.qname, namebuf1, sizeof(namebuf1)); + dns_name_format(name, namebuf2, sizeof(namebuf2)); + ns_client_log(client, NS_LOGCATEGORY_QUERY_EERRORS, + NS_LOGMODULE_QUERY, level, + "response policy %s rewrite %s via %s %sfailed: %s", + dns_rpz_type2str(rpz_type), + namebuf1, namebuf2, str, isc_result_totext(result)); +} + +/* + * Get a policy rewrite zone database. + */ +static isc_result_t +rpz_getdb(ns_client_t *client, dns_rpz_type_t rpz_type, + dns_name_t *rpz_qname, dns_zone_t **zonep, + dns_db_t **dbp, dns_dbversion_t **versionp) +{ + char namebuf1[DNS_NAME_FORMATSIZE]; + char namebuf2[DNS_NAME_FORMATSIZE]; + dns_dbversion_t *rpz_version = NULL; + isc_result_t result; + + result = query_getzonedb(client, rpz_qname, dns_rdatatype_any, + DNS_GETDB_IGNOREACL, zonep, dbp, &rpz_version); + if (result == ISC_R_SUCCESS) { + if (ns_g_server->log_queries && + isc_log_wouldlog(ns_g_lctx, DNS_RPZ_DEBUG_LEVEL2)) { + dns_name_format(client->query.qname, namebuf1, + sizeof(namebuf1)); + dns_name_format(rpz_qname, namebuf2, sizeof(namebuf2)); + ns_client_log(client, NS_LOGCATEGORY_QUERIES, + NS_LOGMODULE_QUERY, DNS_RPZ_DEBUG_LEVEL2, + "try rpz %s rewrite %s via %s", + dns_rpz_type2str(rpz_type), + namebuf1, namebuf2); + } + *versionp = rpz_version; + return (ISC_R_SUCCESS); + } + rpz_fail_log(client, DNS_RPZ_ERROR_LEVEL, rpz_type, rpz_qname, + "query_getzonedb() ", result); + return (result); +} + static inline isc_result_t query_getcachedb(ns_client_t *client, dns_name_t *name, dns_rdatatype_t qtype, dns_db_t **dbp, unsigned int options) @@ -1958,14 +2080,24 @@ query_addrdataset(ns_client_t *client, dns_name_t *fname, CTRACE("query_addrdataset: done"); } -static void -query_addrrset(ns_client_t *client, dns_name_t **namep, - dns_rdataset_t **rdatasetp, dns_rdataset_t **sigrdatasetp, - isc_buffer_t *dbuf, dns_section_t section) +static isc_result_t +query_dns64(ns_client_t *client, dns_name_t **namep, dns_rdataset_t *rdataset, + dns_rdataset_t *sigrdataset, isc_buffer_t *dbuf, + dns_section_t section) { dns_name_t *name, *mname; - dns_rdataset_t *rdataset, *mrdataset, *sigrdataset; + dns_rdata_t *dns64_rdata; + dns_rdata_t rdata = DNS_RDATA_INIT; + dns_rdatalist_t *dns64_rdatalist; + dns_rdataset_t *dns64_rdataset; + dns_rdataset_t *mrdataset; + isc_buffer_t *buffer; + isc_region_t r; isc_result_t result; + dns_view_t *view = client->view; + isc_netaddr_t netaddr; + dns_dns64_t *dns64; + unsigned int flags = 0; /*% * To the current response for 'client', add the answer RRset @@ -1977,27 +2109,27 @@ query_addrrset(ns_client_t *client, dns_name_t **namep, * stored in 'dbuf'. In this case, query_addrrset() guarantees that * when it returns the name will either have been kept or released. */ - CTRACE("query_addrrset"); + CTRACE("query_dns64"); name = *namep; - rdataset = *rdatasetp; - if (sigrdatasetp != NULL) - sigrdataset = *sigrdatasetp; - else - sigrdataset = NULL; mname = NULL; mrdataset = NULL; + buffer = NULL; + dns64_rdata = NULL; + dns64_rdataset = NULL; + dns64_rdatalist = NULL; result = dns_message_findname(client->message, section, - name, rdataset->type, rdataset->covers, + name, dns_rdatatype_aaaa, + rdataset->covers, &mname, &mrdataset); if (result == ISC_R_SUCCESS) { /* * We've already got an RRset of the given name and type. * There's nothing else to do; */ - CTRACE("query_addrrset: dns_message_findname succeeded: done"); + CTRACE("query_dns64: dns_message_findname succeeded: done"); if (dbuf != NULL) query_releasename(client, namep); - return; + return (ISC_R_SUCCESS); } else if (result == DNS_R_NXDOMAIN) { /* * The name doesn't exist. @@ -2017,83 +2149,390 @@ query_addrrset(ns_client_t *client, dns_name_t **namep, (section == DNS_SECTION_ANSWER || section == DNS_SECTION_AUTHORITY)) client->query.attributes &= ~NS_QUERYATTR_SECURE; - /* - * Note: we only add SIGs if we've added the type they cover, so - * we do not need to check if the SIG rdataset is already in the - * response. - */ - query_addrdataset(client, mname, rdataset); - *rdatasetp = NULL; - if (sigrdataset != NULL && dns_rdataset_isassociated(sigrdataset)) { - /* - * We have a signature. Add it to the response. - */ - ISC_LIST_APPEND(mname->list, sigrdataset, link); - *sigrdatasetp = NULL; - } - CTRACE("query_addrrset: done"); -} -static inline isc_result_t -query_addsoa(ns_client_t *client, dns_db_t *db, dns_dbversion_t *version, - isc_boolean_t zero_ttl, isc_boolean_t isassociated) -{ - dns_name_t *name; - dns_dbnode_t *node; - isc_result_t result, eresult; - dns_rdataset_t *rdataset = NULL, *sigrdataset = NULL; - dns_rdataset_t **sigrdatasetp = NULL; + isc_netaddr_fromsockaddr(&netaddr, &client->peeraddr); - CTRACE("query_addsoa"); - /* - * Initialization. - */ - eresult = ISC_R_SUCCESS; - name = NULL; - rdataset = NULL; - node = NULL; + result = isc_buffer_allocate(client->mctx, &buffer, view->dns64cnt * + 16 * dns_rdataset_count(rdataset)); + if (result != ISC_R_SUCCESS) + goto cleanup; + result = dns_message_gettemprdataset(client->message, &dns64_rdataset); + if (result != ISC_R_SUCCESS) + goto cleanup; + result = dns_message_gettemprdatalist(client->message, + &dns64_rdatalist); + if (result != ISC_R_SUCCESS) + goto cleanup; - /* - * Don't add the SOA record for test which set "-T nosoa". - */ - if (ns_g_nosoa && (!WANTDNSSEC(client) || !isassociated)) - return (ISC_R_SUCCESS); + dns_rdataset_init(dns64_rdataset); + dns_rdatalist_init(dns64_rdatalist); + dns64_rdatalist->rdclass = dns_rdataclass_in; + dns64_rdatalist->type = dns_rdatatype_aaaa; + if (client->query.dns64_ttl != ISC_UINT32_MAX) + dns64_rdatalist->ttl = ISC_MIN(rdataset->ttl, + client->query.dns64_ttl); + else + dns64_rdatalist->ttl = ISC_MIN(rdataset->ttl, 600); + + if (RECURSIONOK(client)) + flags |= DNS_DNS64_RECURSIVE; /* - * Get resources and make 'name' be the database origin. + * We use the signatures from the A lookup to set DNS_DNS64_DNSSEC + * as this provides a easy way to see if the answer was signed. */ - result = dns_message_gettempname(client->message, &name); + if (sigrdataset != NULL && dns_rdataset_isassociated(sigrdataset)) + flags |= DNS_DNS64_DNSSEC; + + for (result = dns_rdataset_first(rdataset); + result == ISC_R_SUCCESS; + result = dns_rdataset_next(rdataset)) { + for (dns64 = ISC_LIST_HEAD(client->view->dns64); + dns64 != NULL; dns64 = dns_dns64_next(dns64)) { + + dns_rdataset_current(rdataset, &rdata); + isc__buffer_availableregion(buffer, &r); + INSIST(r.length >= 16); + result = dns_dns64_aaaafroma(dns64, &netaddr, + client->signer, + &ns_g_server->aclenv, + flags, rdata.data, r.base); + if (result != ISC_R_SUCCESS) { + dns_rdata_reset(&rdata); + continue; + } + isc_buffer_add(buffer, 16); + isc_buffer_remainingregion(buffer, &r); + isc_buffer_forward(buffer, 16); + result = dns_message_gettemprdata(client->message, + &dns64_rdata); + if (result != ISC_R_SUCCESS) + goto cleanup; + dns_rdata_init(dns64_rdata); + dns_rdata_fromregion(dns64_rdata, dns_rdataclass_in, + dns_rdatatype_aaaa, &r); + ISC_LIST_APPEND(dns64_rdatalist->rdata, dns64_rdata, + link); + dns64_rdata = NULL; + dns_rdata_reset(&rdata); + } + } + if (result != ISC_R_NOMORE) + goto cleanup; + + if (ISC_LIST_EMPTY(dns64_rdatalist->rdata)) + goto cleanup; + + result = dns_rdatalist_tordataset(dns64_rdatalist, dns64_rdataset); if (result != ISC_R_SUCCESS) - return (result); - dns_name_init(name, NULL); - dns_name_clone(dns_db_origin(db), name); - rdataset = query_newrdataset(client); - if (rdataset == NULL) { - eresult = DNS_R_SERVFAIL; goto cleanup; - } - if (WANTDNSSEC(client) && dns_db_issecure(db)) { - sigrdataset = query_newrdataset(client); - if (sigrdataset == NULL) { - eresult = DNS_R_SERVFAIL; - goto cleanup; + client->query.attributes |= NS_QUERYATTR_NOADDITIONAL; + dns64_rdataset->trust = rdataset->trust; + query_addrdataset(client, mname, dns64_rdataset); + dns64_rdataset = NULL; + dns64_rdatalist = NULL; + dns_message_takebuffer(client->message, &buffer); + result = ISC_R_SUCCESS; + + cleanup: + if (buffer != NULL) + isc_buffer_free(&buffer); + + if (dns64_rdata != NULL) + dns_message_puttemprdata(client->message, &dns64_rdata); + + if (dns64_rdataset != NULL) + dns_message_puttemprdataset(client->message, &dns64_rdataset); + + if (dns64_rdatalist != NULL) { + for (dns64_rdata = ISC_LIST_HEAD(dns64_rdatalist->rdata); + dns64_rdata != NULL; + dns64_rdata = ISC_LIST_HEAD(dns64_rdatalist->rdata)) + { + ISC_LIST_UNLINK(dns64_rdatalist->rdata, + dns64_rdata, link); + dns_message_puttemprdata(client->message, &dns64_rdata); } + dns_message_puttemprdatalist(client->message, &dns64_rdatalist); } - /* - * Find the SOA. - */ - result = dns_db_getoriginnode(db, &node); - if (result == ISC_R_SUCCESS) { - result = dns_db_findrdataset(db, node, version, - dns_rdatatype_soa, - 0, client->now, rdataset, - sigrdataset); - } else { - dns_fixedname_t foundname; - dns_name_t *fname; + CTRACE("query_dns64: done"); + return (result); +} - dns_fixedname_init(&foundname); +static void +query_filter64(ns_client_t *client, dns_name_t **namep, + dns_rdataset_t *rdataset, isc_buffer_t *dbuf, + dns_section_t section) +{ + dns_name_t *name, *mname; + dns_rdata_t *myrdata; + dns_rdata_t rdata = DNS_RDATA_INIT; + dns_rdatalist_t *myrdatalist; + dns_rdataset_t *myrdataset; + isc_buffer_t *buffer; + isc_region_t r; + isc_result_t result; + unsigned int i; + + CTRACE("query_filter64"); + + INSIST(client->query.dns64_aaaaok != NULL); + INSIST(client->query.dns64_aaaaoklen == dns_rdataset_count(rdataset)); + + name = *namep; + mname = NULL; + buffer = NULL; + myrdata = NULL; + myrdataset = NULL; + myrdatalist = NULL; + result = dns_message_findname(client->message, section, + name, dns_rdatatype_aaaa, + rdataset->covers, + &mname, &myrdataset); + if (result == ISC_R_SUCCESS) { + /* + * We've already got an RRset of the given name and type. + * There's nothing else to do; + */ + CTRACE("query_filter64: dns_message_findname succeeded: done"); + if (dbuf != NULL) + query_releasename(client, namep); + return; + } else if (result == DNS_R_NXDOMAIN) { + mname = name; + *namep = NULL; + } else { + RUNTIME_CHECK(result == DNS_R_NXRRSET); + if (dbuf != NULL) + query_releasename(client, namep); + dbuf = NULL; + } + + if (rdataset->trust != dns_trust_secure && + (section == DNS_SECTION_ANSWER || + section == DNS_SECTION_AUTHORITY)) + client->query.attributes &= ~NS_QUERYATTR_SECURE; + + result = isc_buffer_allocate(client->mctx, &buffer, + 16 * dns_rdataset_count(rdataset)); + if (result != ISC_R_SUCCESS) + goto cleanup; + result = dns_message_gettemprdataset(client->message, &myrdataset); + if (result != ISC_R_SUCCESS) + goto cleanup; + result = dns_message_gettemprdatalist(client->message, &myrdatalist); + if (result != ISC_R_SUCCESS) + goto cleanup; + + dns_rdataset_init(myrdataset); + dns_rdatalist_init(myrdatalist); + myrdatalist->rdclass = dns_rdataclass_in; + myrdatalist->type = dns_rdatatype_aaaa; + myrdatalist->ttl = rdataset->ttl; + + i = 0; + for (result = dns_rdataset_first(rdataset); + result == ISC_R_SUCCESS; + result = dns_rdataset_next(rdataset)) { + if (!client->query.dns64_aaaaok[i++]) + continue; + dns_rdataset_current(rdataset, &rdata); + INSIST(rdata.length == 16); + isc_buffer_putmem(buffer, rdata.data, rdata.length); + isc_buffer_remainingregion(buffer, &r); + isc_buffer_forward(buffer, rdata.length); + result = dns_message_gettemprdata(client->message, &myrdata); + if (result != ISC_R_SUCCESS) + goto cleanup; + dns_rdata_init(myrdata); + dns_rdata_fromregion(myrdata, dns_rdataclass_in, + dns_rdatatype_aaaa, &r); + ISC_LIST_APPEND(myrdatalist->rdata, myrdata, link); + myrdata = NULL; + dns_rdata_reset(&rdata); + } + if (result != ISC_R_NOMORE) + goto cleanup; + + result = dns_rdatalist_tordataset(myrdatalist, myrdataset); + if (result != ISC_R_SUCCESS) + goto cleanup; + client->query.attributes |= NS_QUERYATTR_NOADDITIONAL; + if (mname == name) { + if (dbuf != NULL) + query_keepname(client, name, dbuf); + dns_message_addname(client->message, name, section); + dbuf = NULL; + } + myrdataset->trust = rdataset->trust; + query_addrdataset(client, mname, myrdataset); + myrdataset = NULL; + myrdatalist = NULL; + dns_message_takebuffer(client->message, &buffer); + + cleanup: + if (buffer != NULL) + isc_buffer_free(&buffer); + + if (myrdata != NULL) + dns_message_puttemprdata(client->message, &myrdata); + + if (myrdataset != NULL) + dns_message_puttemprdataset(client->message, &myrdataset); + + if (myrdatalist != NULL) { + for (myrdata = ISC_LIST_HEAD(myrdatalist->rdata); + myrdata != NULL; + myrdata = ISC_LIST_HEAD(myrdatalist->rdata)) + { + ISC_LIST_UNLINK(myrdatalist->rdata, myrdata, link); + dns_message_puttemprdata(client->message, &myrdata); + } + dns_message_puttemprdatalist(client->message, &myrdatalist); + } + if (dbuf != NULL) + query_releasename(client, &name); + + CTRACE("query_filter64: done"); +} + +static void +query_addrrset(ns_client_t *client, dns_name_t **namep, + dns_rdataset_t **rdatasetp, dns_rdataset_t **sigrdatasetp, + isc_buffer_t *dbuf, dns_section_t section) +{ + dns_name_t *name, *mname; + dns_rdataset_t *rdataset, *mrdataset, *sigrdataset; + isc_result_t result; + + /*% + * To the current response for 'client', add the answer RRset + * '*rdatasetp' and an optional signature set '*sigrdatasetp', with + * owner name '*namep', to section 'section', unless they are + * already there. Also add any pertinent additional data. + * + * If 'dbuf' is not NULL, then '*namep' is the name whose data is + * stored in 'dbuf'. In this case, query_addrrset() guarantees that + * when it returns the name will either have been kept or released. + */ + CTRACE("query_addrrset"); + name = *namep; + rdataset = *rdatasetp; + if (sigrdatasetp != NULL) + sigrdataset = *sigrdatasetp; + else + sigrdataset = NULL; + mname = NULL; + mrdataset = NULL; + result = dns_message_findname(client->message, section, + name, rdataset->type, rdataset->covers, + &mname, &mrdataset); + if (result == ISC_R_SUCCESS) { + /* + * We've already got an RRset of the given name and type. + * There's nothing else to do; + */ + CTRACE("query_addrrset: dns_message_findname succeeded: done"); + if (dbuf != NULL) + query_releasename(client, namep); + return; + } else if (result == DNS_R_NXDOMAIN) { + /* + * The name doesn't exist. + */ + if (dbuf != NULL) + query_keepname(client, name, dbuf); + dns_message_addname(client->message, name, section); + *namep = NULL; + mname = name; + } else { + RUNTIME_CHECK(result == DNS_R_NXRRSET); + if (dbuf != NULL) + query_releasename(client, namep); + } + + if (rdataset->trust != dns_trust_secure && + (section == DNS_SECTION_ANSWER || + section == DNS_SECTION_AUTHORITY)) + client->query.attributes &= ~NS_QUERYATTR_SECURE; + /* + * Note: we only add SIGs if we've added the type they cover, so + * we do not need to check if the SIG rdataset is already in the + * response. + */ + query_addrdataset(client, mname, rdataset); + *rdatasetp = NULL; + if (sigrdataset != NULL && dns_rdataset_isassociated(sigrdataset)) { + /* + * We have a signature. Add it to the response. + */ + ISC_LIST_APPEND(mname->list, sigrdataset, link); + *sigrdatasetp = NULL; + } + CTRACE("query_addrrset: done"); +} + +static inline isc_result_t +query_addsoa(ns_client_t *client, dns_db_t *db, dns_dbversion_t *version, + unsigned int override_ttl, isc_boolean_t isassociated) +{ + dns_name_t *name; + dns_dbnode_t *node; + isc_result_t result, eresult; + dns_rdataset_t *rdataset = NULL, *sigrdataset = NULL; + dns_rdataset_t **sigrdatasetp = NULL; + + CTRACE("query_addsoa"); + /* + * Initialization. + */ + eresult = ISC_R_SUCCESS; + name = NULL; + rdataset = NULL; + node = NULL; + + /* + * Don't add the SOA record for test which set "-T nosoa". + */ + if (ns_g_nosoa && (!WANTDNSSEC(client) || !isassociated)) + return (ISC_R_SUCCESS); + + /* + * Get resources and make 'name' be the database origin. + */ + result = dns_message_gettempname(client->message, &name); + if (result != ISC_R_SUCCESS) + return (result); + dns_name_init(name, NULL); + dns_name_clone(dns_db_origin(db), name); + rdataset = query_newrdataset(client); + if (rdataset == NULL) { + eresult = DNS_R_SERVFAIL; + goto cleanup; + } + if (WANTDNSSEC(client) && dns_db_issecure(db)) { + sigrdataset = query_newrdataset(client); + if (sigrdataset == NULL) { + eresult = DNS_R_SERVFAIL; + goto cleanup; + } + } + + /* + * Find the SOA. + */ + result = dns_db_getoriginnode(db, &node); + if (result == ISC_R_SUCCESS) { + result = dns_db_findrdataset(db, node, version, + dns_rdatatype_soa, + 0, client->now, rdataset, + sigrdataset); + } else { + dns_fixedname_t foundname; + dns_name_t *fname; + + dns_fixedname_init(&foundname); fname = dns_fixedname_name(&foundname); result = dns_db_find(db, name, version, dns_rdatatype_soa, @@ -2119,10 +2558,11 @@ query_addsoa(ns_client_t *client, dns_db_t *db, dns_dbversion_t *version, if (result != ISC_R_SUCCESS) goto cleanup; - if (zero_ttl) { - rdataset->ttl = 0; + if (override_ttl != ISC_UINT32_MAX && + override_ttl < rdataset->ttl) { + rdataset->ttl = override_ttl; if (sigrdataset != NULL) - sigrdataset->ttl = 0; + sigrdataset->ttl = override_ttl; } /* @@ -2246,67 +2686,79 @@ query_addns(ns_client_t *client, dns_db_t *db, dns_dbversion_t *version) { return (eresult); } -static inline isc_result_t -query_addcnamelike(ns_client_t *client, dns_name_t *qname, dns_name_t *tname, - dns_rdataset_t *dname, dns_name_t **anamep, - dns_rdatatype_t type) +static isc_result_t +query_add_cname(ns_client_t *client, dns_name_t *qname, dns_name_t *tname, + dns_trust_t trust, dns_ttl_t ttl) { dns_rdataset_t *rdataset; dns_rdatalist_t *rdatalist; dns_rdata_t *rdata; - isc_result_t result; isc_region_t r; + dns_name_t *aname; + isc_result_t result; /* * We assume the name data referred to by tname won't go away. */ - REQUIRE(anamep != NULL); + aname = NULL; + result = dns_message_gettempname(client->message, &aname); + if (result != ISC_R_SUCCESS) + return (result); + result = dns_name_dup(qname, client->mctx, aname); + if (result != ISC_R_SUCCESS) { + dns_message_puttempname(client->message, &aname); + return (result); + } rdatalist = NULL; result = dns_message_gettemprdatalist(client->message, &rdatalist); - if (result != ISC_R_SUCCESS) + if (result != ISC_R_SUCCESS) { + dns_message_puttempname(client->message, &aname); return (result); + } rdata = NULL; result = dns_message_gettemprdata(client->message, &rdata); - if (result != ISC_R_SUCCESS) + if (result != ISC_R_SUCCESS) { + dns_message_puttempname(client->message, &aname); + dns_message_puttemprdatalist(client->message, &rdatalist); return (result); + } rdataset = NULL; result = dns_message_gettemprdataset(client->message, &rdataset); - if (result != ISC_R_SUCCESS) - return (result); - dns_rdataset_init(rdataset); - result = dns_name_dup(qname, client->mctx, *anamep); if (result != ISC_R_SUCCESS) { - dns_message_puttemprdataset(client->message, &rdataset); + dns_message_puttempname(client->message, &aname); + dns_message_puttemprdatalist(client->message, &rdatalist); + dns_message_puttemprdata(client->message, &rdata); return (result); } - - rdatalist->type = type; + dns_rdataset_init(rdataset); + rdatalist->type = dns_rdatatype_cname; rdatalist->covers = 0; rdatalist->rdclass = client->message->rdclass; - rdatalist->ttl = dname->ttl; + rdatalist->ttl = ttl; dns_name_toregion(tname, &r); rdata->data = r.base; rdata->length = r.length; rdata->rdclass = client->message->rdclass; - rdata->type = type; + rdata->type = dns_rdatatype_cname; ISC_LIST_INIT(rdatalist->rdata); ISC_LIST_APPEND(rdatalist->rdata, rdata, link); RUNTIME_CHECK(dns_rdatalist_tordataset(rdatalist, rdataset) == ISC_R_SUCCESS); - rdataset->trust = dname->trust; + rdataset->trust = trust; - query_addrrset(client, anamep, &rdataset, NULL, NULL, + query_addrrset(client, &aname, &rdataset, NULL, NULL, DNS_SECTION_ANSWER); - if (rdataset != NULL) { if (dns_rdataset_isassociated(rdataset)) dns_rdataset_disassociate(rdataset); dns_message_puttemprdataset(client->message, &rdataset); } + if (aname != NULL) + dns_message_puttempname(client->message, &aname); return (ISC_R_SUCCESS); } @@ -2860,7 +3312,7 @@ query_addwildcardproof(ns_client_t *client, dns_db_t *db, * j.example -> z.i.example NSEC example * owner common example * next common example - * wild *.f.example + * wild *.example */ options = client->query.dboptions | DNS_DBFIND_NOWILD; dns_fixedname_init(&wfixed); @@ -3196,8 +3648,9 @@ query_resume(isc_task_t *task, isc_event_t *event) { } static isc_result_t -query_recurse(ns_client_t *client, dns_rdatatype_t qtype, dns_name_t *qdomain, - dns_rdataset_t *nameservers, isc_boolean_t resuming) +query_recurse(ns_client_t *client, dns_rdatatype_t qtype, dns_name_t *qname, + dns_name_t *qdomain, dns_rdataset_t *nameservers, + isc_boolean_t resuming) { isc_result_t result; dns_rdataset_t *rdataset, *sigrdataset; @@ -3229,7 +3682,11 @@ query_recurse(ns_client_t *client, dns_rdatatype_t qtype, dns_name_t *qdomain, NS_LOGMODULE_QUERY, ISC_LOG_WARNING, "recursive-clients soft limit " - "exceeded, aborting oldest query"); + "exceeded (%d/%d/%d), " + "aborting oldest query", + client->recursionquota->used, + client->recursionquota->soft, + client->recursionquota->max); } ns_client_killoldestquery(client); result = ISC_R_SUCCESS; @@ -3242,7 +3699,11 @@ query_recurse(ns_client_t *client, dns_rdatatype_t qtype, dns_name_t *qdomain, ns_client_log(client, NS_LOGCATEGORY_CLIENT, NS_LOGMODULE_QUERY, ISC_LOG_WARNING, - "no more recursive clients: %s", + "no more recursive clients " + "(%d/%d/%d): %s", + ns_g_server->recursionquota.used, + ns_g_server->recursionquota.soft, + ns_g_server->recursionquota.max, isc_result_totext(result)); } ns_client_killoldestquery(client); @@ -3289,8 +3750,7 @@ query_recurse(ns_client_t *client, dns_rdatatype_t qtype, dns_name_t *qdomain, else peeraddr = NULL; result = dns_resolver_createfetch2(client->view->resolver, - client->query.qname, - qtype, qdomain, nameservers, + qname, qtype, qdomain, nameservers, NULL, peeraddr, client->message->id, client->query.fetchoptions, client->task, @@ -3313,24 +3773,714 @@ query_recurse(ns_client_t *client, dns_rdatatype_t qtype, dns_name_t *qdomain, return (result); } -#define MAX_RESTARTS 16 - -#define QUERY_ERROR(r) \ -do { \ - eresult = r; \ - want_restart = ISC_FALSE; \ - line = __LINE__; \ -} while (0) +static inline void +rpz_clean(dns_zone_t **zonep, dns_db_t **dbp, dns_dbnode_t **nodep, + dns_rdataset_t **rdatasetp) +{ + if (nodep != NULL && *nodep != NULL) { + REQUIRE(dbp != NULL && *dbp != NULL); + dns_db_detachnode(*dbp, nodep); + } + if (dbp != NULL && *dbp != NULL) + dns_db_detach(dbp); + if (zonep != NULL && *zonep != NULL) + dns_zone_detach(zonep); + if (rdatasetp != NULL && *rdatasetp != NULL && + dns_rdataset_isassociated(*rdatasetp)) + dns_rdataset_disassociate(*rdatasetp); +} -#define RECURSE_ERROR(r) \ -do { \ - if ((r) == DNS_R_DUPLICATE || (r) == DNS_R_DROP) \ - QUERY_ERROR(r); \ - else \ - QUERY_ERROR(DNS_R_SERVFAIL); \ -} while (0) +static inline isc_result_t +rpz_ready(ns_client_t *client, dns_zone_t **zonep, dns_db_t **dbp, + dns_dbnode_t **nodep, dns_rdataset_t **rdatasetp) +{ + REQUIRE(rdatasetp != NULL); -/* + rpz_clean(zonep, dbp, nodep, rdatasetp); + if (*rdatasetp == NULL) { + *rdatasetp = query_newrdataset(client); + if (*rdatasetp == NULL) + return (DNS_R_SERVFAIL); + } + return (ISC_R_SUCCESS); +} + +static void +rpz_st_clear(ns_client_t *client) { + dns_rpz_st_t *st = client->query.rpz_st; + + rpz_clean(&st->m.zone, &st->m.db, &st->m.node, NULL); + if (st->m.rdataset != NULL) + query_putrdataset(client, &st->m.rdataset); + + rpz_clean(NULL, &st->ns.db, NULL, NULL); + if (st->ns.ns_rdataset != NULL) + query_putrdataset(client, &st->ns.ns_rdataset); + if (st->ns.r_rdataset != NULL) + query_putrdataset(client, &st->ns.r_rdataset); + + rpz_clean(&st->q.zone, &st->q.db, &st->q.node, NULL); + if (st->q.rdataset != NULL) + query_putrdataset(client, &st->q.rdataset); + if (st->q.sigrdataset != NULL) + query_putrdataset(client, &st->q.sigrdataset); + st->state = 0; +} + +/* + * Get NS, A, or AAAA rrset for rpz nsdname or nsip checking. + */ +static isc_result_t +rpz_ns_find(ns_client_t *client, dns_name_t *name, dns_rdatatype_t type, + dns_db_t **dbp, dns_dbversion_t *version, + dns_rdataset_t **rdatasetp, isc_boolean_t resuming) +{ + dns_rpz_st_t *st; + isc_boolean_t is_zone; + dns_dbnode_t *node; + dns_fixedname_t fixed; + dns_name_t *found; + isc_result_t result; + + st = client->query.rpz_st; + if ((st->state & DNS_RPZ_RECURSING) != 0) { + INSIST(st->ns.r_type == type); + INSIST(dns_name_equal(name, st->r_name)); + INSIST(*rdatasetp == NULL || + !dns_rdataset_isassociated(*rdatasetp)); + st->state &= ~DNS_RPZ_RECURSING; + *dbp = st->ns.db; + st->ns.db = NULL; + if (*rdatasetp != NULL) + query_putrdataset(client, rdatasetp); + *rdatasetp = st->ns.r_rdataset; + st->ns.r_rdataset = NULL; + result = st->ns.r_result; + if (result == DNS_R_DELEGATION) { + rpz_fail_log(client, DNS_RPZ_ERROR_LEVEL, + DNS_RPZ_TYPE_NSIP, name, + "rpz_ns_find() ", result); + st->m.policy = DNS_RPZ_POLICY_ERROR; + result = DNS_R_SERVFAIL; + } + return (result); + } + + result = rpz_ready(client, NULL, NULL, NULL, rdatasetp); + if (result != ISC_R_SUCCESS) { + st->m.policy = DNS_RPZ_POLICY_ERROR; + return (result); + } + if (*dbp != NULL) { + is_zone = ISC_FALSE; + } else { + dns_zone_t *zone; + + version = NULL; + zone = NULL; + result = query_getdb(client, name, type, 0, &zone, dbp, + &version, &is_zone); + if (result != ISC_R_SUCCESS) { + rpz_fail_log(client, DNS_RPZ_ERROR_LEVEL, + DNS_RPZ_TYPE_NSIP, name, "NS getdb() ", + result); + st->m.policy = DNS_RPZ_POLICY_ERROR; + if (zone != NULL) + dns_zone_detach(&zone); + return (result); + } + if (zone != NULL) + dns_zone_detach(&zone); + } + + node = NULL; + dns_fixedname_init(&fixed); + found = dns_fixedname_name(&fixed); + result = dns_db_find(*dbp, name, version, type, 0, client->now, &node, + found, *rdatasetp, NULL); + if (result == DNS_R_DELEGATION && is_zone && USECACHE(client)) { + /* + * Try the cache if we're authoritative for an + * ancestor but not the domain itself. + */ + rpz_clean(NULL, dbp, &node, rdatasetp); + version = NULL; + dns_db_attach(client->view->cachedb, dbp); + result = dns_db_find(*dbp, name, version, dns_rdatatype_ns, + 0, client->now, &node, found, + *rdatasetp, NULL); + } + rpz_clean(NULL, dbp, &node, NULL); + if (result == DNS_R_DELEGATION) { + /* + * Recurse to get NS rrset or A or AAAA rrset for an NS name. + */ + rpz_clean(NULL, NULL, NULL, rdatasetp); + dns_name_copy(name, st->r_name, NULL); + result = query_recurse(client, type, st->r_name, NULL, NULL, + resuming); + if (result == ISC_R_SUCCESS) { + st->state |= DNS_RPZ_RECURSING; + result = DNS_R_DELEGATION; + } + } + return (result); +} + +/* + * Check the IP address in an A or AAAA rdataset against + * the IP or NSIP response policy rules of a view. + */ +static isc_result_t +rpz_rewrite_ip(ns_client_t *client, dns_rdataset_t *rdataset, + dns_rpz_type_t rpz_type) +{ + dns_rpz_st_t *st; + dns_dbversion_t *version; + dns_zone_t *zone; + dns_db_t *db; + dns_rpz_zone_t *new_rpz; + isc_result_t result; + + st = client->query.rpz_st; + if (st->m.rdataset == NULL) { + st->m.rdataset = query_newrdataset(client); + if (st->m.rdataset == NULL) + return (DNS_R_SERVFAIL); + } + zone = NULL; + db = NULL; + for (new_rpz = ISC_LIST_HEAD(client->view->rpz_zones); + new_rpz != NULL; + new_rpz = ISC_LIST_NEXT(new_rpz, link)) { + version = NULL; + + /* + * Find the database for this policy zone to get its + * radix tree. + */ + result = rpz_getdb(client, rpz_type, &new_rpz->origin, + &zone, &db, &version); + if (result != ISC_R_SUCCESS) { + rpz_clean(&zone, &db, NULL, NULL); + continue; + } + /* + * Look for a better (e.g. longer prefix) hit for an IP address + * in this rdataset in this radix tree than than the previous + * hit, if any. Note the domain name and quality of the + * best hit. + */ + result = dns_db_rpz_findips(new_rpz, rpz_type, zone, db, + version, rdataset, st); + RUNTIME_CHECK(result == ISC_R_SUCCESS); + rpz_clean(&zone, &db, NULL, NULL); + } + return (ISC_R_SUCCESS); +} + +static isc_result_t +rpz_rewrite_nsip(ns_client_t *client, dns_rdatatype_t type, dns_name_t *name, + dns_db_t **dbp, dns_dbversion_t *version, + dns_rdataset_t **rdatasetp, isc_boolean_t resuming) +{ + isc_result_t result; + + result = rpz_ns_find(client, name, type, dbp, version, rdatasetp, + resuming); + switch (result) { + case ISC_R_SUCCESS: + result = rpz_rewrite_ip(client, *rdatasetp, DNS_RPZ_TYPE_NSIP); + break; + case DNS_R_EMPTYNAME: + case DNS_R_EMPTYWILD: + case DNS_R_NXDOMAIN: + case DNS_R_NCACHENXDOMAIN: + case DNS_R_NXRRSET: + case DNS_R_NCACHENXRRSET: + result = ISC_R_SUCCESS; + break; + case DNS_R_DELEGATION: + case DNS_R_DUPLICATE: + case DNS_R_DROP: + break; + default: + if (client->query.rpz_st->m.policy != DNS_RPZ_POLICY_ERROR) { + client->query.rpz_st->m.policy = DNS_RPZ_POLICY_ERROR; + rpz_fail_log(client, ISC_LOG_WARNING, DNS_RPZ_TYPE_NSIP, + name, "NS address rewrite nsip ", result); + } + break; + } + return (result); +} + +/* + * Get the rrset from a response policy zone. + */ +static isc_result_t +rpz_find(ns_client_t *client, dns_rdatatype_t qtype, dns_name_t *qnamef, + dns_name_t *sname, dns_rpz_type_t rpz_type, dns_zone_t **zonep, + dns_db_t **dbp, dns_dbnode_t **nodep, dns_rdataset_t **rdatasetp, + dns_rpz_policy_t *policyp) +{ + dns_dbversion_t *version; + dns_rpz_policy_t policy; + dns_fixedname_t fixed; + dns_name_t *found; + isc_result_t result; + + result = rpz_ready(client, zonep, dbp, nodep, rdatasetp); + if (result != ISC_R_SUCCESS) { + *policyp = DNS_RPZ_POLICY_ERROR; + return (result); + } + + /* + * Try to get either a CNAME or the type of record demanded by the + * request from the policy zone. + */ + version = NULL; + result = rpz_getdb(client, rpz_type, qnamef, zonep, dbp, &version); + if (result != ISC_R_SUCCESS) { + *policyp = DNS_RPZ_POLICY_MISS; + return (DNS_R_NXDOMAIN); + } + + dns_fixedname_init(&fixed); + found = dns_fixedname_name(&fixed); + result = dns_db_find(*dbp, qnamef, version, dns_rdatatype_any, 0, + client->now, nodep, found, *rdatasetp, NULL); + if (result == ISC_R_SUCCESS) { + dns_rdatasetiter_t *rdsiter; + + rdsiter = NULL; + result = dns_db_allrdatasets(*dbp, *nodep, version, 0, + &rdsiter); + if (result != ISC_R_SUCCESS) { + dns_db_detachnode(*dbp, nodep); + rpz_fail_log(client, DNS_RPZ_ERROR_LEVEL, rpz_type, + qnamef, "allrdatasets()", result); + *policyp = DNS_RPZ_POLICY_ERROR; + return (DNS_R_SERVFAIL); + } + for (result = dns_rdatasetiter_first(rdsiter); + result == ISC_R_SUCCESS; + result = dns_rdatasetiter_next(rdsiter)) { + dns_rdatasetiter_current(rdsiter, *rdatasetp); + if ((*rdatasetp)->type == dns_rdatatype_cname || + (*rdatasetp)->type == qtype) + break; + dns_rdataset_disassociate(*rdatasetp); + } + dns_rdatasetiter_destroy(&rdsiter); + if (result != ISC_R_SUCCESS) { + if (result != ISC_R_NOMORE) { + rpz_fail_log(client, DNS_RPZ_ERROR_LEVEL, + rpz_type, qnamef, "rdatasetiter", + result); + *policyp = DNS_RPZ_POLICY_ERROR; + return (DNS_R_SERVFAIL); + } + /* + * Ask again to get the right DNS_R_DNAME/NXRRSET/... + * result if there is neither a CNAME nor target type. + */ + if (dns_rdataset_isassociated(*rdatasetp)) + dns_rdataset_disassociate(*rdatasetp); + dns_db_detachnode(*dbp, nodep); + + if (qtype == dns_rdatatype_rrsig || + qtype == dns_rdatatype_sig) + result = DNS_R_NXRRSET; + else + result = dns_db_find(*dbp, qnamef, version, + qtype, 0, client->now, + nodep, found, *rdatasetp, + NULL); + } + } + switch (result) { + case ISC_R_SUCCESS: + if ((*rdatasetp)->type != dns_rdatatype_cname) { + policy = DNS_RPZ_POLICY_RECORD; + } else { + policy = dns_rpz_decode_cname(*rdatasetp, sname); + if (policy == DNS_RPZ_POLICY_RECORD && + qtype != dns_rdatatype_cname && + qtype != dns_rdatatype_any) + result = DNS_R_CNAME; + } + break; + case DNS_R_DNAME: + /* + * DNAME policy RRs have very few if any uses that are not + * better served with simple wildcards. Making the work would + * require complications to get the number of labels matched + * in the name or the found name itself to the main DNS_R_DNAME + * case in query_find(). So fall through to treat them as NODATA. + */ + case DNS_R_NXRRSET: + policy = DNS_RPZ_POLICY_NODATA; + break; + case DNS_R_NXDOMAIN: + case DNS_R_EMPTYNAME: + /* + * If we don't get a qname hit, + * see if it is worth looking for other types. + */ + dns_db_rpz_enabled(*dbp, client->query.rpz_st); + dns_db_detach(dbp); + dns_zone_detach(zonep); + policy = DNS_RPZ_POLICY_MISS; + break; + default: + dns_db_detach(dbp); + dns_zone_detach(zonep); + rpz_fail_log(client, DNS_RPZ_ERROR_LEVEL, rpz_type, qnamef, + "", result); + policy = DNS_RPZ_POLICY_ERROR; + result = DNS_R_SERVFAIL; + break; + } + + *policyp = policy; + return (result); +} + +/* + * Build and look for a QNAME or NSDNAME owner name in a response policy zone. + */ +static isc_result_t +rpz_rewrite_name(ns_client_t *client, dns_rdatatype_t qtype, dns_name_t *qname, + dns_rpz_type_t rpz_type, dns_rdataset_t **rdatasetp) +{ + dns_rpz_st_t *st; + dns_rpz_zone_t *rpz; + dns_fixedname_t prefixf, rpz_qnamef; + dns_name_t *prefix, *suffix, *rpz_qname; + dns_zone_t *zone; + dns_db_t *db; + dns_dbnode_t *node; + dns_rpz_policy_t policy; + unsigned int labels; + isc_result_t result; + + st = client->query.rpz_st; + zone = NULL; + db = NULL; + node = NULL; + + for (rpz = ISC_LIST_HEAD(client->view->rpz_zones); + rpz != NULL; + rpz = ISC_LIST_NEXT(rpz, link)) { + /* + * Construct the rule's owner name. + */ + dns_fixedname_init(&prefixf); + prefix = dns_fixedname_name(&prefixf); + dns_name_split(qname, 1, prefix, NULL); + if (rpz_type == DNS_RPZ_TYPE_NSDNAME) + suffix = &rpz->nsdname; + else + suffix = &rpz->origin; + dns_fixedname_init(&rpz_qnamef); + rpz_qname = dns_fixedname_name(&rpz_qnamef); + for (;;) { + result = dns_name_concatenate(prefix, suffix, + rpz_qname, NULL); + if (result == ISC_R_SUCCESS) + break; + INSIST(result == DNS_R_NAMETOOLONG); + labels = dns_name_countlabels(prefix); + if (labels < 2) { + rpz_fail_log(client, DNS_RPZ_ERROR_LEVEL, + rpz_type, suffix, + "concatentate() ", result); + return (ISC_R_SUCCESS); + } + if (labels+1 == dns_name_countlabels(qname)) { + rpz_fail_log(client, DNS_RPZ_DEBUG_LEVEL1, + rpz_type, suffix, + "concatentate() ", result); + } + dns_name_split(prefix, labels - 1, NULL, prefix); + } + + /* + * See if the qname rule (or RR) exists. + */ + result = rpz_find(client, qtype, rpz_qname, qname, rpz_type, + &zone, &db, &node, rdatasetp, &policy); + switch (result) { + case DNS_R_NXDOMAIN: + case DNS_R_EMPTYNAME: + break; + case DNS_R_SERVFAIL: + rpz_clean(&zone, &db, &node, rdatasetp); + st->m.policy = DNS_RPZ_POLICY_ERROR; + return (DNS_R_SERVFAIL); + default: + /* + * when more than one name or address hits a rule, + * prefer the first set of names (qname or NS), + * the first policy zone, and the smallest name + */ + if (st->m.type == rpz_type && + rpz->num > st->m.rpz->num && + 0 <= dns_name_compare(rpz_qname, st->qname)) + continue; + rpz_clean(&st->m.zone, &st->m.db, &st->m.node, + &st->m.rdataset); + st->m.rpz = rpz; + st->m.type = rpz_type; + st->m.prefix = 0; + st->m.policy = policy; + st->m.result = result; + dns_name_copy(rpz_qname, st->qname, NULL); + if (dns_rdataset_isassociated(*rdatasetp)) { + dns_rdataset_t *trdataset; + + trdataset = st->m.rdataset; + st->m.rdataset = *rdatasetp; + *rdatasetp = trdataset; + st->m.ttl = st->m.rdataset->ttl; + } else { + st->m.ttl = DNS_RPZ_TTL_DEFAULT; + } + st->m.node = node; + node = NULL; + st->m.db = db; + db = NULL; + st->m.zone = zone; + zone = NULL; + } + } + + rpz_clean(&zone, &db, &node, rdatasetp); + return (ISC_R_SUCCESS); +} + +/* + * Look for response policy zone NSIP and NSDNAME rewriting. + */ +static isc_result_t +rpz_rewrite(ns_client_t *client, dns_rdatatype_t qtype, + isc_boolean_t resuming) +{ + dns_rpz_st_t *st; + dns_db_t *ipdb; + dns_rdataset_t *rdataset; + dns_fixedname_t nsnamef; + dns_name_t *nsname; + dns_dbversion_t *version; + isc_result_t result; + + ipdb = NULL; + rdataset = NULL; + + st = client->query.rpz_st; + if (st == NULL) { + st = isc_mem_get(client->mctx, sizeof(*st)); + if (st == NULL) + return (ISC_R_NOMEMORY); + st->state = 0; + memset(&st->m, 0, sizeof(st->m)); + memset(&st->ns, 0, sizeof(st->ns)); + memset(&st->q, 0, sizeof(st->q)); + dns_fixedname_init(&st->_qnamef); + dns_fixedname_init(&st->_r_namef); + dns_fixedname_init(&st->_fnamef); + st->qname = dns_fixedname_name(&st->_qnamef); + st->r_name = dns_fixedname_name(&st->_r_namef); + st->fname = dns_fixedname_name(&st->_fnamef); + client->query.rpz_st = st; + } + if ((st->state & DNS_RPZ_DONE_QNAME) == 0) { + st->state = DNS_RPZ_DONE_QNAME; + st->m.type = DNS_RPZ_TYPE_BAD; + st->m.policy = DNS_RPZ_POLICY_MISS; + + /* + * Check rules for the name if this it the first time, + * i.e. we've not been recursing. + */ + result = DNS_R_SERVFAIL; + st->state &= ~(DNS_RPZ_HAVE_IP | DNS_RPZ_HAVE_NSIPv4 | + DNS_RPZ_HAVE_NSIPv6 | DNS_RPZ_HAD_NSDNAME); + result = rpz_rewrite_name(client, qtype, client->query.qname, + DNS_RPZ_TYPE_QNAME, &rdataset); + if (st->m.policy != DNS_RPZ_POLICY_MISS) + goto cleanup; + if ((st->state & (DNS_RPZ_HAVE_NSIPv4 | DNS_RPZ_HAVE_NSIPv6 | + DNS_RPZ_HAD_NSDNAME)) == 0) + goto cleanup; + st->ns.label = dns_name_countlabels(client->query.qname); + } + + dns_fixedname_init(&nsnamef); + dns_name_clone(client->query.qname, dns_fixedname_name(&nsnamef)); + while (st->ns.label > 1 && st->m.policy == DNS_RPZ_POLICY_MISS) { + if (st->ns.label == dns_name_countlabels(client->query.qname)) { + nsname = client->query.qname; + } else { + nsname = dns_fixedname_name(&nsnamef); + dns_name_split(client->query.qname, st->ns.label, + NULL, nsname); + } + if (st->ns.ns_rdataset == NULL || + !dns_rdataset_isassociated(st->ns.ns_rdataset)) { + dns_db_t *db = NULL; + result = rpz_ns_find(client, nsname, dns_rdatatype_ns, + &db, NULL, &st->ns.ns_rdataset, + resuming); + if (db != NULL) + dns_db_detach(&db); + if (result != ISC_R_SUCCESS) { + if (result == DNS_R_DELEGATION) + goto cleanup; + if (result == DNS_R_EMPTYNAME || + result == DNS_R_NXRRSET || + result == DNS_R_EMPTYWILD || + result == DNS_R_NXDOMAIN || + result == DNS_R_NCACHENXDOMAIN || + result == DNS_R_NCACHENXRRSET || + result == DNS_R_CNAME || + result == DNS_R_DNAME) { + rpz_fail_log(client, + DNS_RPZ_DEBUG_LEVEL2, + DNS_RPZ_TYPE_NSIP, nsname, + "NS db_find() ", result); + dns_rdataset_disassociate(st->ns. + ns_rdataset); + st->ns.label--; + continue; + } + if (st->m.policy != DNS_RPZ_POLICY_ERROR) { + rpz_fail_log(client, DNS_RPZ_INFO_LEVEL, + DNS_RPZ_TYPE_NSIP, nsname, + "NS db_find() ", result); + st->m.policy = DNS_RPZ_POLICY_ERROR; + } + goto cleanup; + } + result = dns_rdataset_first(st->ns.ns_rdataset); + if (result != ISC_R_SUCCESS) + goto cleanup; + } + /* + * Check all NS names. + */ + do { + dns_rdata_ns_t ns; + dns_rdata_t nsrdata = DNS_RDATA_INIT; + + dns_rdataset_current(st->ns.ns_rdataset, &nsrdata); + result = dns_rdata_tostruct(&nsrdata, &ns, NULL); + dns_rdata_reset(&nsrdata); + if (result != ISC_R_SUCCESS) { + rpz_fail_log(client, DNS_RPZ_ERROR_LEVEL, + DNS_RPZ_TYPE_NSIP, nsname, + "rdata_tostruct() ", result); + st->m.policy = DNS_RPZ_POLICY_ERROR; + goto cleanup; + } + if ((st->state & DNS_RPZ_HAD_NSDNAME) != 0) { + result = rpz_rewrite_name(client, qtype, + &ns.name, + DNS_RPZ_TYPE_NSDNAME, + &rdataset); + if (result != ISC_R_SUCCESS) { + dns_rdata_freestruct(&ns); + goto cleanup; + } + } + /* + * Check all IP addresses for this NS name, but don't + * bother without NSIP rules or with a NSDNAME hit. + */ + version = NULL; + if ((st->state & DNS_RPZ_HAVE_NSIPv4) != 0 && + st->m.type != DNS_RPZ_TYPE_NSDNAME && + (st->state & DNS_RPZ_DONE_A) == 0) { + result = rpz_rewrite_nsip(client, + dns_rdatatype_a, + &ns.name, &ipdb, + version, &rdataset, + resuming); + if (result == ISC_R_SUCCESS) + st->state |= DNS_RPZ_DONE_A; + } + if (result == ISC_R_SUCCESS && + (st->state & DNS_RPZ_HAVE_NSIPv6) != 0 && + st->m.type != DNS_RPZ_TYPE_NSDNAME) { + result = rpz_rewrite_nsip(client, + dns_rdatatype_aaaa, + &ns.name, &ipdb, version, + &rdataset, resuming); + } + dns_rdata_freestruct(&ns); + if (ipdb != NULL) + dns_db_detach(&ipdb); + if (result != ISC_R_SUCCESS) + goto cleanup; + st->state &= ~DNS_RPZ_DONE_A; + result = dns_rdataset_next(st->ns.ns_rdataset); + } while (result == ISC_R_SUCCESS); + dns_rdataset_disassociate(st->ns.ns_rdataset); + st->ns.label--; + } + + /* + * Use the best, if any, hit. + */ + result = ISC_R_SUCCESS; + +cleanup: + if (st->m.policy != DNS_RPZ_POLICY_MISS && + st->m.policy != DNS_RPZ_POLICY_NO_OP && + st->m.policy != DNS_RPZ_POLICY_ERROR && + st->m.rpz->policy != DNS_RPZ_POLICY_GIVEN) + st->m.policy = st->m.rpz->policy; + if (st->m.policy == DNS_RPZ_POLICY_NO_OP) + rpz_log(client); + if (st->m.policy == DNS_RPZ_POLICY_MISS || + st->m.policy == DNS_RPZ_POLICY_NO_OP || + st->m.policy == DNS_RPZ_POLICY_ERROR) + rpz_clean(&st->m.zone, &st->m.db, &st->m.node, &st->m.rdataset); + if (st->m.policy != DNS_RPZ_POLICY_MISS) + st->state |= DNS_RPZ_REWRITTEN; + if (st->m.policy == DNS_RPZ_POLICY_ERROR) { + st->m.type = DNS_RPZ_TYPE_BAD; + result = DNS_R_SERVFAIL; + } + if (rdataset != NULL) + query_putrdataset(client, &rdataset); + if ((st->state & DNS_RPZ_RECURSING) == 0) { + rpz_clean(NULL, &st->ns.db, NULL, &st->ns.ns_rdataset); + } + + return (result); +} + +#define MAX_RESTARTS 16 + +#define QUERY_ERROR(r) \ +do { \ + eresult = r; \ + want_restart = ISC_FALSE; \ + line = __LINE__; \ +} while (0) + +#define RECURSE_ERROR(r) \ +do { \ + if ((r) == DNS_R_DUPLICATE || (r) == DNS_R_DROP) \ + QUERY_ERROR(r); \ + else \ + QUERY_ERROR(DNS_R_SERVFAIL); \ +} while (0) + +/* * Extract a network address from the RDATA of an A or AAAA * record. * @@ -3658,44 +4808,137 @@ query_findclosestnsec3(dns_name_t *qname, dns_db_t *db, dns_rdatatype_nsec3, dboptions, client->now, NULL, fname, rdataset, sigrdataset); - if (result == DNS_R_NXDOMAIN) { - if (!dns_rdataset_isassociated(rdataset)) { - return; - } - result = dns_rdataset_first(rdataset); - INSIST(result == ISC_R_SUCCESS); - dns_rdataset_current(rdataset, &rdata); - dns_rdata_tostruct(&rdata, &nsec3, NULL); - dns_rdata_reset(&rdata); - optout = ISC_TF((nsec3.flags & DNS_NSEC3FLAG_OPTOUT) != 0); - if (found != NULL && optout && - dns_name_fullcompare(&name, dns_db_origin(db), &order, - &count) == dns_namereln_subdomain) { - dns_rdataset_disassociate(rdataset); - if (dns_rdataset_isassociated(sigrdataset)) - dns_rdataset_disassociate(sigrdataset); - count = dns_name_countlabels(&name) - 1; - dns_name_getlabelsequence(&name, 1, count, &name); - ns_client_log(client, DNS_LOGCATEGORY_DNSSEC, - NS_LOGMODULE_QUERY, ISC_LOG_DEBUG(3), - "looking for closest provable encloser"); - goto again; + if (result == DNS_R_NXDOMAIN) { + if (!dns_rdataset_isassociated(rdataset)) { + return; + } + result = dns_rdataset_first(rdataset); + INSIST(result == ISC_R_SUCCESS); + dns_rdataset_current(rdataset, &rdata); + dns_rdata_tostruct(&rdata, &nsec3, NULL); + dns_rdata_reset(&rdata); + optout = ISC_TF((nsec3.flags & DNS_NSEC3FLAG_OPTOUT) != 0); + if (found != NULL && optout && + dns_name_fullcompare(&name, dns_db_origin(db), &order, + &count) == dns_namereln_subdomain) { + dns_rdataset_disassociate(rdataset); + if (dns_rdataset_isassociated(sigrdataset)) + dns_rdataset_disassociate(sigrdataset); + count = dns_name_countlabels(&name) - 1; + dns_name_getlabelsequence(&name, 1, count, &name); + ns_client_log(client, DNS_LOGCATEGORY_DNSSEC, + NS_LOGMODULE_QUERY, ISC_LOG_DEBUG(3), + "looking for closest provable encloser"); + goto again; + } + if (exact) + ns_client_log(client, DNS_LOGCATEGORY_DNSSEC, + NS_LOGMODULE_QUERY, ISC_LOG_WARNING, + "expected a exact match NSEC3, got " + "a covering record"); + + } else if (result != ISC_R_SUCCESS) { + return; + } else if (!exact) + ns_client_log(client, DNS_LOGCATEGORY_DNSSEC, + NS_LOGMODULE_QUERY, ISC_LOG_WARNING, + "expected covering NSEC3, got an exact match"); + if (found != NULL) + dns_name_copy(&name, found, NULL); + return; +} + +#ifdef ALLOW_FILTER_AAAA_ON_V4 +static isc_boolean_t +is_v4_client(ns_client_t *client) { + if (isc_sockaddr_pf(&client->peeraddr) == AF_INET) + return (ISC_TRUE); + if (isc_sockaddr_pf(&client->peeraddr) == AF_INET6 && + IN6_IS_ADDR_V4MAPPED(&client->peeraddr.type.sin6.sin6_addr)) + return (ISC_TRUE); + return (ISC_FALSE); +} +#endif + +static isc_uint32_t +dns64_ttl(dns_db_t *db, dns_dbversion_t *version) { + dns_dbnode_t *node = NULL; + dns_rdata_soa_t soa; + dns_rdata_t rdata = DNS_RDATA_INIT; + dns_rdataset_t rdataset; + isc_result_t result; + isc_uint32_t ttl = ISC_UINT32_MAX; + + result = dns_db_getoriginnode(db, &node); + if (result != ISC_R_SUCCESS) + goto cleanup; + dns_rdataset_init(&rdataset); + result = dns_db_findrdataset(db, node, version, dns_rdatatype_soa, + 0, 0, &rdataset, NULL); + if (result != ISC_R_SUCCESS) + goto cleanup; + result = dns_rdataset_first(&rdataset); + if (result != ISC_R_SUCCESS) + goto cleanup; + + dns_rdataset_current(&rdataset, &rdata); + result = dns_rdata_tostruct(&rdata, &soa, NULL); + RUNTIME_CHECK(result == ISC_R_SUCCESS); + ttl = ISC_MIN(rdataset.ttl, soa.minimum); + +cleanup: + if (dns_rdataset_isassociated(&rdataset)) + dns_rdataset_disassociate(&rdataset); + if (node != NULL) + dns_db_detachnode(db, &node); + return (ttl); +} + +static isc_boolean_t +dns64_aaaaok(ns_client_t *client, dns_rdataset_t *rdataset, + dns_rdataset_t *sigrdataset) +{ + isc_netaddr_t netaddr; + dns_dns64_t *dns64 = ISC_LIST_HEAD(client->view->dns64); + unsigned int flags = 0; + unsigned int i, count; + isc_boolean_t *aaaaok; + + INSIST(client->query.dns64_aaaaok == NULL); + INSIST(client->query.dns64_aaaaoklen == 0); + INSIST(client->query.dns64_aaaa == NULL); + INSIST(client->query.dns64_sigaaaa == NULL); + + if (dns64 == NULL) + return (ISC_TRUE); + + if (RECURSIONOK(client)) + flags |= DNS_DNS64_RECURSIVE; + + if (sigrdataset != NULL && dns_rdataset_isassociated(sigrdataset)) + flags |= DNS_DNS64_DNSSEC; + + count = dns_rdataset_count(rdataset); + aaaaok = isc_mem_get(client->mctx, sizeof(isc_boolean_t) * count); + + isc_netaddr_fromsockaddr(&netaddr, &client->peeraddr); + if (dns_dns64_aaaaok(dns64, &netaddr, client->signer, + &ns_g_server->aclenv, flags, rdataset, + aaaaok, count)) { + for (i = 0; i < count; i++) { + if (aaaaok != NULL && !aaaaok[i]) { + client->query.dns64_aaaaok = aaaaok; + client->query.dns64_aaaaoklen = count; + break; + } } - if (exact) - ns_client_log(client, DNS_LOGCATEGORY_DNSSEC, - NS_LOGMODULE_QUERY, ISC_LOG_WARNING, - "expected a exact match NSEC3, got " - "a covering record"); - - } else if (result != ISC_R_SUCCESS) { - return; - } else if (!exact) - ns_client_log(client, DNS_LOGCATEGORY_DNSSEC, - NS_LOGMODULE_QUERY, ISC_LOG_WARNING, - "expected covering NSEC3, got an exact match"); - if (found != NULL) - dns_name_copy(&name, found, NULL); - return; + if (i == count) + isc_mem_put(client->mctx, aaaaok, + sizeof(isc_boolean_t) * count); + return (ISC_TRUE); + } + isc_mem_put(client->mctx, aaaaok, sizeof(isc_boolean_t) * count); + return (ISC_FALSE); } /* @@ -3716,6 +4959,7 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) dns_rdata_t rdata = DNS_RDATA_INIT; dns_rdatasetiter_t *rdsiter; isc_boolean_t want_restart, authoritative, is_zone, need_wildcardproof; + isc_boolean_t is_staticstub_zone; unsigned int n, nlabels; dns_namereln_t namereln; int order; @@ -3731,8 +4975,10 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) unsigned int options; isc_boolean_t empty_wild; dns_rdataset_t *noqname; + dns_rpz_st_t *rpz_st; isc_boolean_t resuming; int line = -1; + isc_boolean_t dns64_exclude, dns64; CTRACE("query_find"); @@ -3758,28 +5004,67 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) zone = NULL; need_wildcardproof = ISC_FALSE; empty_wild = ISC_FALSE; + dns64_exclude = dns64 = ISC_FALSE; options = 0; resuming = ISC_FALSE; is_zone = ISC_FALSE; + is_staticstub_zone = ISC_FALSE; if (event != NULL) { /* * We're returning from recursion. Restore the query context * and resume. */ - want_restart = ISC_FALSE; - authoritative = ISC_FALSE; - qtype = event->qtype; + rpz_st = client->query.rpz_st; + if (rpz_st != NULL && + (rpz_st->state & DNS_RPZ_RECURSING) != 0) { + is_zone = rpz_st->q.is_zone; + authoritative = rpz_st->q.authoritative; + zone = rpz_st->q.zone; + rpz_st->q.zone = NULL; + node = rpz_st->q.node; + rpz_st->q.node = NULL; + db = rpz_st->q.db; + rpz_st->q.db = NULL; + rdataset = rpz_st->q.rdataset; + rpz_st->q.rdataset = NULL; + sigrdataset = rpz_st->q.sigrdataset; + rpz_st->q.sigrdataset = NULL; + qtype = rpz_st->q.qtype; + + if (event->node != NULL) + dns_db_detachnode(db, &event->node); + rpz_st->ns.db = event->db; + rpz_st->ns.r_type = event->qtype; + rpz_st->ns.r_rdataset = event->rdataset; + if (event->sigrdataset != NULL && + dns_rdataset_isassociated(event->sigrdataset)) + dns_rdataset_disassociate(event->sigrdataset); + } else { + authoritative = ISC_FALSE; + + qtype = event->qtype; + db = event->db; + node = event->node; + rdataset = event->rdataset; + sigrdataset = event->sigrdataset; + } + if (qtype == dns_rdatatype_rrsig || qtype == dns_rdatatype_sig) type = dns_rdatatype_any; else type = qtype; - db = event->db; - node = event->node; - rdataset = event->rdataset; - sigrdataset = event->sigrdataset; + + if (DNS64(client)) { + client->query.attributes &= ~NS_QUERYATTR_DNS64; + dns64 = ISC_TRUE; + } + if (DNS64EXCLUDE(client)) { + client->query.attributes &= ~NS_QUERYATTR_DNS64EXCLUDE; + dns64_exclude = ISC_TRUE; + } /* * We'll need some resources... @@ -3794,16 +5079,26 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) QUERY_ERROR(DNS_R_SERVFAIL); goto cleanup; } - tname = dns_fixedname_name(&event->foundname); + if (rpz_st != NULL && + (rpz_st->state & DNS_RPZ_RECURSING) != 0) { + tname = rpz_st->fname; + } else { + tname = dns_fixedname_name(&event->foundname); + } result = dns_name_copy(tname, fname, NULL); if (result != ISC_R_SUCCESS) { QUERY_ERROR(DNS_R_SERVFAIL); goto cleanup; } - - result = event->result; + if (rpz_st != NULL && + (rpz_st->state & DNS_RPZ_RECURSING) != 0) { + rpz_st->ns.r_result = event->result; + result = rpz_st->q.result; + isc_event_free(ISC_EVENT_PTR(&event)); + } else { + result = event->result; + } resuming = ISC_TRUE; - goto resume; } @@ -3902,8 +5197,12 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) goto cleanup; } - if (is_zone) + is_staticstub_zone = ISC_FALSE; + if (is_zone && zone != NULL) { authoritative = ISC_TRUE; + if (dns_zone_gettype(zone) == dns_zone_staticstub) + is_staticstub_zone = ISC_TRUE; + } if (event == NULL && client->query.restarts == 0) { if (is_zone) { @@ -3956,6 +5255,119 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) resume: CTRACE("query_find: resume"); + + if (!ISC_LIST_EMPTY(client->view->rpz_zones) && + RECURSIONOK(client) && !RECURSING(client) && + result != DNS_R_DELEGATION && result != ISC_R_NOTFOUND && + (client->query.rpz_st == NULL || + (client->query.rpz_st->state & DNS_RPZ_REWRITTEN) == 0) && + !dns_name_equal(client->query.qname, dns_rootname)) { + isc_result_t rresult; + + rresult = rpz_rewrite(client, qtype, resuming); + rpz_st = client->query.rpz_st; + switch (rresult) { + case ISC_R_SUCCESS: + break; + case DNS_R_DELEGATION: + /* + * recursing for NS names or addresses, + * so save the main query state + */ + rpz_st->q.qtype = qtype; + rpz_st->q.is_zone = is_zone; + rpz_st->q.authoritative = authoritative; + rpz_st->q.zone = zone; + zone = NULL; + rpz_st->q.db = db; + db = NULL; + rpz_st->q.node = node; + node = NULL; + rpz_st->q.rdataset = rdataset; + rdataset = NULL; + rpz_st->q.sigrdataset = sigrdataset; + sigrdataset = NULL; + dns_name_copy(fname, rpz_st->fname, NULL); + rpz_st->q.result = result; + client->query.attributes |= NS_QUERYATTR_RECURSING; + result = ISC_R_SUCCESS; + goto cleanup; + default: + RECURSE_ERROR(rresult); + goto cleanup; + } + if (rpz_st->m.policy != DNS_RPZ_POLICY_MISS && + rpz_st->m.policy != DNS_RPZ_POLICY_NO_OP) { + result = dns_name_copy(client->query.qname, fname, + NULL); + RUNTIME_CHECK(result == ISC_R_SUCCESS); + finish_rewrite: + rpz_clean(&zone, &db, &node, NULL); + if (rpz_st->m.rdataset != NULL) { + if (rdataset != NULL) + query_putrdataset(client, &rdataset); + rdataset = rpz_st->m.rdataset; + rpz_st->m.rdataset = NULL; + } else if (rdataset != NULL && + dns_rdataset_isassociated(rdataset)) { + dns_rdataset_disassociate(rdataset); + } + node = rpz_st->m.node; + rpz_st->m.node = NULL; + db = rpz_st->m.db; + rpz_st->m.db = NULL; + zone = rpz_st->m.zone; + rpz_st->m.zone = NULL; + + result = rpz_st->m.result; + switch (rpz_st->m.policy) { + case DNS_RPZ_POLICY_NXDOMAIN: + result = DNS_R_NXDOMAIN; + break; + case DNS_RPZ_POLICY_NODATA: + result = DNS_R_NXRRSET; + break; + case DNS_RPZ_POLICY_RECORD: + if (type == dns_rdatatype_any && + result != DNS_R_CNAME && + dns_rdataset_isassociated(rdataset)) + dns_rdataset_disassociate(rdataset); + break; + case DNS_RPZ_POLICY_CNAME: + result = dns_name_copy(&rpz_st->m.rpz->cname, + fname, NULL); + RUNTIME_CHECK(result == ISC_R_SUCCESS); + query_keepname(client, fname, dbuf); + result = query_add_cname(client, + client->query.qname, + fname, + dns_trust_authanswer, + rpz_st->m.ttl); + if (result != ISC_R_SUCCESS) + goto cleanup; + ns_client_qnamereplace(client, fname); + fname = NULL; + client->attributes &= ~NS_CLIENTATTR_WANTDNSSEC; + rpz_log(client); + want_restart = ISC_TRUE; + goto cleanup; + default: + INSIST(0); + } + + /* + * Turn off DNSSEC because the results of a + * response policy zone cannot verify. + */ + client->attributes &= ~NS_CLIENTATTR_WANTDNSSEC; + if (sigrdataset != NULL && + dns_rdataset_isassociated(sigrdataset)) + dns_rdataset_disassociate(sigrdataset); + is_zone = ISC_TRUE; + rpz_log(client); + } + } + switch (result) { case ISC_R_SUCCESS: /* @@ -4008,11 +5420,18 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) */ if (RECURSIONOK(client)) { result = query_recurse(client, qtype, + client->query.qname, NULL, NULL, resuming); - if (result == ISC_R_SUCCESS) + if (result == ISC_R_SUCCESS) { client->query.attributes |= NS_QUERYATTR_RECURSING; - else + if (dns64) + client->query.attributes |= + NS_QUERYATTR_DNS64; + if (dns64_exclude) + client->query.attributes |= + NS_QUERYATTR_DNS64EXCLUDE; + } else RECURSE_ERROR(result); goto cleanup; } else { @@ -4143,12 +5562,22 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) } } else { if (zfname != NULL && - !dns_name_issubdomain(fname, zfname)) { + (!dns_name_issubdomain(fname, zfname) || + (is_staticstub_zone && + dns_name_equal(fname, zfname)))) { /* - * We've already got a delegation from - * authoritative data, and it is better - * than what we found in the cache. Use - * it instead of the cache delegation. + * In the following cases use "authoritative" + * data instead of the cache delegation: + * 1. We've already got a delegation from + * authoritative data, and it is better + * than what we found in the cache. + * 2. The query name matches the origin name + * of a static-stub zone. This needs to be + * considered for the case where the NS of + * the static-stub zone and the cached NS + * are different. We still need to contact + * the nameservers configured in the + * static-stub zone. */ query_releasename(client, &fname); fname = zfname; @@ -4183,15 +5612,31 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) */ if (dns_rdatatype_atparent(type)) result = query_recurse(client, qtype, - NULL, NULL, - resuming); + client->query.qname, + NULL, NULL, resuming); + else if (dns64) + result = query_recurse(client, + dns_rdatatype_a, + client->query.qname, + NULL, NULL, resuming); else result = query_recurse(client, qtype, - fname, rdataset, - resuming); - if (result == ISC_R_SUCCESS) + client->query.qname, + fname, rdataset, + resuming); + + if (result == ISC_R_SUCCESS) { client->query.attributes |= NS_QUERYATTR_RECURSING; + if (dns64) + client->query.attributes |= + NS_QUERYATTR_DNS64; + if (dns64_exclude) + client->query.attributes |= + NS_QUERYATTR_DNS64EXCLUDE; + } else if (result == DNS_R_DUPLICATE || + result == DNS_R_DROP) + QUERY_ERROR(result); else RECURSE_ERROR(result); } else { @@ -4231,11 +5676,75 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) } } goto cleanup; + case DNS_R_EMPTYNAME: - result = DNS_R_NXRRSET; - /* FALLTHROUGH */ case DNS_R_NXRRSET: + nxrrset: INSIST(is_zone); + +#ifdef dns64_bis_return_excluded_addresses + if (dns64) +#else + if (dns64 && !dns64_exclude) +#endif + { + /* + * Restore the answers from the previous AAAA lookup. + */ + if (rdataset != NULL) + query_putrdataset(client, &rdataset); + if (sigrdataset != NULL) + query_putrdataset(client, &sigrdataset); + rdataset = client->query.dns64_aaaa; + sigrdataset = client->query.dns64_sigaaaa; + if (fname == NULL) { + dbuf = query_getnamebuf(client); + if (dbuf == NULL) { + QUERY_ERROR(DNS_R_SERVFAIL); + goto cleanup; + } + fname = query_newname(client, dbuf, &b); + if (fname == NULL) { + QUERY_ERROR(DNS_R_SERVFAIL); + goto cleanup; + } + } + dns_name_copy(client->query.qname, fname, NULL); + client->query.dns64_aaaa = NULL; + client->query.dns64_sigaaaa = NULL; + dns64 = ISC_FALSE; +#ifdef dns64_bis_return_excluded_addresses + /* + * Resume the diverted processing of the AAAA response? + */ + if (dns64_excluded) + break; +#endif + } else if (result == DNS_R_NXRRSET && + !ISC_LIST_EMPTY(client->view->dns64) && + client->message->rdclass == dns_rdataclass_in && + qtype == dns_rdatatype_aaaa) + { + /* + * Look to see if there are A records for this + * name. + */ + INSIST(client->query.dns64_aaaa == NULL); + INSIST(client->query.dns64_sigaaaa == NULL); + client->query.dns64_aaaa = rdataset; + client->query.dns64_sigaaaa = sigrdataset; + client->query.dns64_ttl = dns64_ttl(db, version); + query_releasename(client, &fname); + dns_db_detachnode(db, &node); + rdataset = NULL; + sigrdataset = NULL; + type = qtype = dns_rdatatype_a; + dns64 = ISC_TRUE; + goto db_find; + } + + result = DNS_R_NXRRSET; + /* * Look for a NSEC3 record if we don't have a NSEC record. */ @@ -4258,10 +5767,8 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) * instead? If so add the nearest to the * closest provable encloser. */ - if (found && - dns_rdataset_isassociated(rdataset) && - !dns_name_equal(qname, found)) - { + if (dns_rdataset_isassociated(rdataset) && + !dns_name_equal(qname, found)) { unsigned int count; unsigned int skip; @@ -4328,7 +5835,7 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) /* * Add SOA. */ - result = query_addsoa(client, db, version, ISC_FALSE, + result = query_addsoa(client, db, version, ISC_UINT32_MAX, dns_rdataset_isassociated(rdataset)); if (result != ISC_R_SUCCESS) { QUERY_ERROR(result); @@ -4377,10 +5884,11 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) zone != NULL && #endif dns_zone_getzeronosoattl(zone)) - result = query_addsoa(client, db, version, ISC_TRUE, + result = query_addsoa(client, db, version, 0, dns_rdataset_isassociated(rdataset)); else - result = query_addsoa(client, db, version, ISC_FALSE, + result = query_addsoa(client, db, version, + ISC_UINT32_MAX, dns_rdataset_isassociated(rdataset)); if (result != ISC_R_SUCCESS) { QUERY_ERROR(result); @@ -4411,6 +5919,7 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) case DNS_R_NCACHENXDOMAIN: case DNS_R_NCACHENXRRSET: + ncache_nxrrset: INSIST(!is_zone); authoritative = ISC_FALSE; /* @@ -4426,6 +5935,74 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) client->message->rdclass == dns_rdataclass_in && dns_name_countlabels(fname) == 7) warn_rfc1918(client, fname, rdataset); + +#ifdef dns64_bis_return_excluded_addresses + if (dns64) +#else + if (dns64 && !dns64_exclude) +#endif + { + /* + * Restore the answers from the previous AAAA lookup. + */ + if (rdataset != NULL) + query_putrdataset(client, &rdataset); + if (sigrdataset != NULL) + query_putrdataset(client, &sigrdataset); + rdataset = client->query.dns64_aaaa; + sigrdataset = client->query.dns64_sigaaaa; + if (fname == NULL) { + dbuf = query_getnamebuf(client); + if (dbuf == NULL) { + QUERY_ERROR(DNS_R_SERVFAIL); + goto cleanup; + } + fname = query_newname(client, dbuf, &b); + if (fname == NULL) { + QUERY_ERROR(DNS_R_SERVFAIL); + goto cleanup; + } + } + dns_name_copy(client->query.qname, fname, NULL); + client->query.dns64_aaaa = NULL; + client->query.dns64_sigaaaa = NULL; + dns64 = ISC_FALSE; +#ifdef dns64_bis_return_excluded_addresses + if (dns64_excluded) + break; +#endif + } else if (result == DNS_R_NCACHENXRRSET && + !ISC_LIST_EMPTY(client->view->dns64) && + client->message->rdclass == dns_rdataclass_in && + qtype == dns_rdatatype_aaaa) + { + /* + * Look to see if there are A records for this + * name. + */ + INSIST(client->query.dns64_aaaa == NULL); + INSIST(client->query.dns64_sigaaaa == NULL); + client->query.dns64_aaaa = rdataset; + client->query.dns64_sigaaaa = sigrdataset; + /* + * If the ttl is zero we need to workout if we have just + * decremented to zero or if there was no negative cache + * ttl in the answer. + */ + if (rdataset->ttl != 0) + client->query.dns64_ttl = rdataset->ttl; + else if (dns_rdataset_first(rdataset) == ISC_R_SUCCESS) + client->query.dns64_ttl = 0; + query_releasename(client, &fname); + dns_db_detachnode(db, &node); + rdataset = NULL; + sigrdataset = NULL; + fname = NULL; + type = qtype = dns_rdatatype_a; + dns64 = ISC_TRUE; + goto db_find; + } + /* * We don't call query_addrrset() because we don't need any * of its extra features (and things would probably break!). @@ -4562,11 +6139,11 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) dns_message_puttempname(client->message, &tname); goto cleanup; } - dns_name_init(tname, NULL); dns_name_clone(&dname.dname, tname); dns_rdata_freestruct(&dname); /* - * Construct the new qname. + * Construct the new qname consisting of + * . */ dns_fixedname_init(&fixed); prefix = dns_fixedname_name(&fixed); @@ -4583,8 +6160,8 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) goto cleanup; } result = dns_name_concatenate(prefix, tname, fname, NULL); + dns_message_puttempname(client->message, &tname); if (result != ISC_R_SUCCESS) { - dns_message_puttempname(client->message, &tname); if (result == ISC_R_NOSPACE) { /* * RFC2672, section 4.1, subsection 3c says @@ -4597,11 +6174,12 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) } query_keepname(client, fname, dbuf); /* - * Synthesize a CNAME for this DNAME. + * Synthesize a CNAME consisting of + * CNAME + * with * - * We want to synthesize a CNAME since if we don't - * then older software that doesn't understand DNAME - * will not chain like it should. + * Synthesize a CNAME so old old clients that don't understand + * DNAME can chain. * * We do not try to synthesize a signature because we hope * that security aware servers will understand DNAME. Also, @@ -4609,12 +6187,10 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) * on-the-fly is costly, and not really legitimate anyway * since the synthesized CNAME is NOT in the zone. */ - dns_name_init(tname, NULL); - (void)query_addcnamelike(client, client->query.qname, fname, - trdataset, &tname, - dns_rdatatype_cname); - if (tname != NULL) - dns_message_puttempname(client->message, &tname); + result = query_add_cname(client, client->query.qname, fname, + trdataset->trust, trdataset->ttl); + if (result != ISC_R_SUCCESS) + goto cleanup; /* * Switch to the new qname and restart. */ @@ -4641,6 +6217,28 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) } if (type == dns_rdatatype_any) { +#ifdef ALLOW_FILTER_AAAA_ON_V4 + isc_boolean_t have_aaaa, have_a, have_sig, filter_aaaa; + + /* + * The filter-aaaa-on-v4 option should + * suppress AAAAs for IPv4 clients if there is an A. + * If we are not authoritative, assume there is a A + * even in if it is not in our cache. This assumption could + * be wrong but it is a good bet. + */ + have_aaaa = ISC_FALSE; + have_a = !authoritative; + have_sig = ISC_FALSE; + if (client->view->v4_aaaa != dns_v4_aaaa_ok && + is_v4_client(client) && + ns_client_checkaclsilent(client, NULL, + client->view->v4_aaaa_acl, + ISC_TRUE) == ISC_R_SUCCESS) + filter_aaaa = ISC_TRUE; + else + filter_aaaa = ISC_FALSE; +#endif /* * XXXRTH Need to handle zonecuts with special case * code. @@ -4652,6 +6250,54 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) QUERY_ERROR(DNS_R_SERVFAIL); goto cleanup; } + + /* + * Check all A and AAAA records in all response policy + * IP address zones + */ + rpz_st = client->query.rpz_st; + if (rpz_st != NULL && + (rpz_st->state & DNS_RPZ_DONE_QNAME) != 0 && + (rpz_st->state & DNS_RPZ_REWRITTEN) == 0 && + RECURSIONOK(client) && !RECURSING(client) && + (rpz_st->state & DNS_RPZ_HAVE_IP) != 0) { + for (result = dns_rdatasetiter_first(rdsiter); + result == ISC_R_SUCCESS; + result = dns_rdatasetiter_next(rdsiter)) { + dns_rdatasetiter_current(rdsiter, rdataset); + if (rdataset->type == dns_rdatatype_a || + rdataset->type == dns_rdatatype_aaaa) + result = rpz_rewrite_ip(client, + rdataset, + DNS_RPZ_TYPE_IP); + dns_rdataset_disassociate(rdataset); + if (result != ISC_R_SUCCESS) + break; + } + if (result != ISC_R_NOMORE) { + dns_rdatasetiter_destroy(&rdsiter); + QUERY_ERROR(DNS_R_SERVFAIL); + goto cleanup; + } + switch (rpz_st->m.policy) { + case DNS_RPZ_POLICY_MISS: + break; + case DNS_RPZ_POLICY_NO_OP: + rpz_log(client); + rpz_st->state |= DNS_RPZ_REWRITTEN; + break; + case DNS_RPZ_POLICY_NXDOMAIN: + case DNS_RPZ_POLICY_NODATA: + case DNS_RPZ_POLICY_RECORD: + case DNS_RPZ_POLICY_CNAME: + dns_rdatasetiter_destroy(&rdsiter); + rpz_st->state |= DNS_RPZ_REWRITTEN; + goto finish_rewrite; + default: + INSIST(0); + } + } + /* * Calling query_addrrset() with a non-NULL dbuf is going * to either keep or release the name. We don't want it to @@ -4668,6 +6314,18 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) result = dns_rdatasetiter_first(rdsiter); while (result == ISC_R_SUCCESS) { dns_rdatasetiter_current(rdsiter, rdataset); +#ifdef ALLOW_FILTER_AAAA_ON_V4 + /* + * Notice the presence of A and AAAAs so + * that AAAAs can be hidden from IPv4 clients. + */ + if (filter_aaaa) { + if (rdataset->type == dns_rdatatype_aaaa) + have_aaaa = ISC_TRUE; + else if (rdataset->type == dns_rdatatype_a) + have_a = ISC_TRUE; + } +#endif if (is_zone && qtype == dns_rdatatype_any && !dns_db_issecure(db) && dns_rdatatype_isdnssec(rdataset->type)) { @@ -4679,6 +6337,10 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) dns_rdataset_disassociate(rdataset); } else if ((qtype == dns_rdatatype_any || rdataset->type == qtype) && rdataset->type != 0) { +#ifdef ALLOW_FILTER_AAAA_ON_V4 + if (dns_rdatatype_isdnssec(rdataset->type)) + have_sig = ISC_TRUE; +#endif if (NOQNAME(rdataset) && WANTDNSSEC(client)) noqname = rdataset; else @@ -4709,6 +6371,16 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) result = dns_rdatasetiter_next(rdsiter); } +#ifdef ALLOW_FILTER_AAAA_ON_V4 + /* + * Filter AAAAs if there is an A and there is no signature + * or we are supposed to break DNSSEC. + */ + if (filter_aaaa && have_aaaa && have_a && + (!have_sig || !WANTDNSSEC(client) || + client->view->v4_aaaa == dns_v4_aaaa_break_dnssec)) + client->attributes |= NS_CLIENTATTR_FILTER_AAAA; +#endif if (fname != NULL) dns_message_puttempname(client->message, &fname); @@ -4742,10 +6414,10 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) dns_rdatasetiter_destroy(&rdsiter); if (RECURSIONOK(client)) { result = query_recurse(client, - qtype, - NULL, - NULL, - resuming); + qtype, + client->query.qname, + NULL, NULL, + resuming); if (result == ISC_R_SUCCESS) client->query.attributes |= NS_QUERYATTR_RECURSING; @@ -4763,7 +6435,8 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) * Add SOA. */ result = query_addsoa(client, db, version, - ISC_FALSE, ISC_FALSE); + ISC_UINT32_MAX, + ISC_FALSE); if (result == ISC_R_SUCCESS) result = ISC_R_NOMORE; } else { @@ -4783,6 +6456,162 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) * This is the "normal" case -- an ordinary question to which * we know the answer. */ + + /* + * Check all A and AAAA records in all response policy + * IP address zones + */ + rpz_st = client->query.rpz_st; + if (rpz_st != NULL && + (rpz_st->state & DNS_RPZ_DONE_QNAME) != 0 && + (rpz_st->state & DNS_RPZ_REWRITTEN) == 0 && + RECURSIONOK(client) && !RECURSING(client) && + (rpz_st->state & DNS_RPZ_HAVE_IP) != 0 && + (qtype == dns_rdatatype_aaaa || qtype == dns_rdatatype_a)) { + result = rpz_rewrite_ip(client, rdataset, + DNS_RPZ_TYPE_IP); + if (result != ISC_R_SUCCESS) { + QUERY_ERROR(DNS_R_SERVFAIL); + goto cleanup; + } + /* + * After a hit in the radix tree for the policy domain, + * either stop trying to rewrite (DNS_RPZ_POLICY_NO_OP) + * or restart to ask the ordinary database of the + * policy zone for the DNS record corresponding to the + * record in the radix tree. + */ + switch (rpz_st->m.policy) { + case DNS_RPZ_POLICY_MISS: + break; + case DNS_RPZ_POLICY_NO_OP: + rpz_log(client); + rpz_st->state |= DNS_RPZ_REWRITTEN; + break; + case DNS_RPZ_POLICY_NXDOMAIN: + case DNS_RPZ_POLICY_NODATA: + case DNS_RPZ_POLICY_RECORD: + case DNS_RPZ_POLICY_CNAME: + rpz_st->state |= DNS_RPZ_REWRITTEN; + goto finish_rewrite; + default: + INSIST(0); + } + } + +#ifdef ALLOW_FILTER_AAAA_ON_V4 + /* + * Optionally hide AAAAs from IPv4 clients if there is an A. + * We add the AAAAs now, but might refuse to render them later + * after DNSSEC is figured out. + * This could be more efficient, but the whole idea is + * so fundamentally wrong, unavoidably inaccurate, and + * unneeded that it is best to keep it as short as possible. + */ + if (client->view->v4_aaaa != dns_v4_aaaa_ok && + is_v4_client(client) && + ns_client_checkaclsilent(client, NULL, + client->view->v4_aaaa_acl, + ISC_TRUE) == ISC_R_SUCCESS && + (!WANTDNSSEC(client) || + sigrdataset == NULL || + !dns_rdataset_isassociated(sigrdataset) || + client->view->v4_aaaa == dns_v4_aaaa_break_dnssec)) { + if (qtype == dns_rdatatype_aaaa) { + trdataset = query_newrdataset(client); + result = dns_db_findrdataset(db, node, version, + dns_rdatatype_a, 0, + client->now, + trdataset, NULL); + if (dns_rdataset_isassociated(trdataset)) + dns_rdataset_disassociate(trdataset); + query_putrdataset(client, &trdataset); + + /* + * We have an AAAA but the A is not in our cache. + * Assume any result other than DNS_R_DELEGATION + * or ISC_R_NOTFOUND means there is no A and + * so AAAAs are ok. + * Assume there is no A if we can't recurse + * for this client, although that could be + * the wrong answer. What else can we do? + * Besides, that we have the AAAA and are using + * this mechanism suggests that we care more + * about As than AAAAs and would have cached + * the A if it existed. + */ + if (result == ISC_R_SUCCESS) { + client->attributes |= + NS_CLIENTATTR_FILTER_AAAA; + + } else if (authoritative || + !RECURSIONOK(client) || + (result != DNS_R_DELEGATION && + result != ISC_R_NOTFOUND)) { + client->attributes &= + ~NS_CLIENTATTR_FILTER_AAAA; + } else { + /* + * This is an ugly kludge to recurse + * for the A and discard the result. + * + * Continue to add the AAAA now. + * We'll make a note to not render it + * if the recursion for the A succeeds. + */ + result = query_recurse(client, + dns_rdatatype_a, + client->query.qname, + NULL, NULL, resuming); + if (result == ISC_R_SUCCESS) { + client->attributes |= + NS_CLIENTATTR_FILTER_AAAA_RC; + client->query.attributes |= + NS_QUERYATTR_RECURSING; + } + } + + } else if (qtype == dns_rdatatype_a && + (client->attributes & + NS_CLIENTATTR_FILTER_AAAA_RC) != 0) { + client->attributes &= + ~NS_CLIENTATTR_FILTER_AAAA_RC; + client->attributes |= + NS_CLIENTATTR_FILTER_AAAA; + dns_rdataset_disassociate(rdataset); + if (sigrdataset != NULL && + dns_rdataset_isassociated(sigrdataset)) + dns_rdataset_disassociate(sigrdataset); + goto cleanup; + } + } +#endif + /* + * Check to see if the AAAA RRset has non-excluded addresses + * in it. If not look for a A RRset. + */ + INSIST(client->query.dns64_aaaaok == NULL); + + if (qtype == dns_rdatatype_aaaa && !dns64_exclude && + !ISC_LIST_EMPTY(client->view->dns64) && + client->message->rdclass == dns_rdataclass_in && + !dns64_aaaaok(client, rdataset, sigrdataset)) { + /* + * Look to see if there are A records for this + * name. + */ + client->query.dns64_aaaa = rdataset; + client->query.dns64_sigaaaa = sigrdataset; + client->query.dns64_ttl = rdataset->ttl; + query_releasename(client, &fname); + dns_db_detachnode(db, &node); + rdataset = NULL; + sigrdataset = NULL; + type = qtype = dns_rdatatype_a; + dns64_exclude = dns64 = ISC_TRUE; + goto db_find; + } + if (sigrdataset != NULL) sigrdatasetp = &sigrdataset; else @@ -4798,8 +6627,43 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) dns_name_equal(client->query.qname, dns_rootname)) client->query.attributes &= ~NS_QUERYATTR_NOADDITIONAL; - query_addrrset(client, &fname, &rdataset, sigrdatasetp, dbuf, - DNS_SECTION_ANSWER); + if (dns64) { + qtype = type = dns_rdatatype_aaaa; + result = query_dns64(client, &fname, rdataset, + sigrdataset, dbuf, + DNS_SECTION_ANSWER); + dns_rdataset_disassociate(rdataset); + dns_message_puttemprdataset(client->message, &rdataset); + if (result == ISC_R_NOMORE) { +#ifndef dns64_bis_return_excluded_addresses + if (dns64_exclude) { + if (!is_zone) + goto cleanup; + /* + * Add a fake SOA record. + */ + result = query_addsoa(client, db, + version, 600, + ISC_FALSE); + goto cleanup; + } +#endif + if (is_zone) + goto nxrrset; + else + goto ncache_nxrrset; + } else if (result != ISC_R_SUCCESS) { + eresult = result; + goto cleanup; + } + } else if (client->query.dns64_aaaaok != NULL) { + query_filter64(client, &fname, rdataset, dbuf, + DNS_SECTION_ANSWER); + query_putrdataset(client, &rdataset); + } else + query_addrrset(client, &fname, &rdataset, + sigrdatasetp, dbuf, DNS_SECTION_ANSWER); + if (noqname != NULL) query_addnoqnameproof(client, noqname); /* @@ -4842,6 +6706,10 @@ query_find(ns_client_t *client, dns_fetchevent_t *event, dns_rdatatype_t qtype) /* * General cleanup. */ + rpz_st = client->query.rpz_st; + if (rpz_st != NULL && (rpz_st->state & DNS_RPZ_RECURSING) == 0) + rpz_clean(&rpz_st->m.zone, &rpz_st->m.db, &rpz_st->m.node, + &rpz_st->m.rdataset); if (rdataset != NULL) query_putrdataset(client, &rdataset); if (sigrdataset != NULL) @@ -4949,6 +6817,7 @@ log_query(ns_client_t *client, unsigned int flags, unsigned int extflags) { char namebuf[DNS_NAME_FORMATSIZE]; char typename[DNS_RDATATYPE_FORMATSIZE]; char classname[DNS_RDATACLASS_FORMATSIZE]; + char onbuf[ISC_NETADDR_FORMATSIZE]; dns_rdataset_t *rdataset; int level = ISC_LOG_INFO; @@ -4960,14 +6829,18 @@ log_query(ns_client_t *client, unsigned int flags, unsigned int extflags) { dns_name_format(client->query.qname, namebuf, sizeof(namebuf)); dns_rdataclass_format(rdataset->rdclass, classname, sizeof(classname)); dns_rdatatype_format(rdataset->type, typename, sizeof(typename)); + isc_netaddr_format(&client->destaddr, onbuf, sizeof(onbuf)); ns_client_log(client, NS_LOGCATEGORY_QUERIES, NS_LOGMODULE_QUERY, - level, "query: %s %s %s %s%s%s%s%s", namebuf, classname, - typename, WANTRECURSION(client) ? "+" : "-", + level, "query: %s %s %s %s%s%s%s%s%s (%s)", namebuf, + classname, typename, WANTRECURSION(client) ? "+" : "-", (client->signer != NULL) ? "S": "", (client->opt != NULL) ? "E" : "", + ((client->attributes & NS_CLIENTATTR_TCP) != 0) ? + "T" : "", ((extflags & DNS_MESSAGEEXTFLAG_DO) != 0) ? "D" : "", - ((flags & DNS_MESSAGEFLAG_CD) != 0) ? "C" : ""); + ((flags & DNS_MESSAGEFLAG_CD) != 0) ? "C" : "", + onbuf); } static inline void diff --git a/bin/named/server.c b/bin/named/server.c index bc7fc17..5bbf94b 100644 --- a/bin/named/server.c +++ b/bin/named/server.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: server.c,v 1.520.12.21 2011-01-14 23:45:49 tbox Exp $ */ +/* $Id: server.c,v 1.599.8.4 2011-02-16 19:46:12 each Exp $ */ /*! \file */ @@ -23,6 +23,10 @@ #include #include +#include +#include +#include +#include #include #include @@ -36,7 +40,9 @@ #include #include #include +#include #include +#include #include #include #include @@ -57,9 +63,11 @@ #ifdef DLZ #include #endif +#include #include #include #include +#include #include #include #include @@ -102,6 +110,10 @@ #include #endif +#ifndef PATH_MAX +#define PATH_MAX 1024 +#endif + /*% * Check an operation for failure. Assumes that the function * using it has a 'result' variable and a 'cleanup' label. @@ -143,6 +155,14 @@ fatal(msg, result); \ } while (0) \ +/*% + * Maximum ADB size for views that share a cache. Use this limit to suppress + * the total of memory footprint, which should be the main reason for sharing + * a cache. Only effective when a finite max-cache-size is specified. + * This is currently defined to be 8MB. + */ +#define MAX_ADB_SIZE_FOR_CACHESHARE 8388608 + struct ns_dispatch { isc_sockaddr_t addr; unsigned int dispatchgen; @@ -150,6 +170,14 @@ struct ns_dispatch { ISC_LINK(struct ns_dispatch) link; }; +struct ns_cache { + dns_cache_t *cache; + dns_view_t *primaryview; + isc_boolean_t needflush; + isc_boolean_t adbsizeadjusted; + ISC_LINK(ns_cache_t) link; +}; + struct dumpcontext { isc_mem_t *mctx; isc_boolean_t dumpcache; @@ -176,6 +204,17 @@ struct zonelistentry { ISC_LINK(struct zonelistentry) link; }; +/*% + * Configuration context to retain for each view that allows + * new zones to be added at runtime + */ +struct cfg_context { + isc_mem_t * mctx; + cfg_obj_t * config; + cfg_parser_t * parser; + cfg_aclconfctx_t actx; +}; + /* * These zones should not leak onto the Internet. */ @@ -230,8 +269,8 @@ static const struct { { NULL, ISC_FALSE } }; -static void -fatal(const char *msg, isc_result_t result); +ISC_PLATFORM_NORETURN_PRE static void +fatal(const char *msg, isc_result_t result) ISC_PLATFORM_NORETURN_POST; static void ns_server_reload(isc_task_t *task, isc_event_t *event); @@ -256,19 +295,25 @@ configure_alternates(const cfg_obj_t *config, dns_view_t *view, static isc_result_t configure_zone(const cfg_obj_t *config, const cfg_obj_t *zconfig, const cfg_obj_t *vconfig, isc_mem_t *mctx, dns_view_t *view, - cfg_aclconfctx_t *aclconf); + cfg_aclconfctx_t *aclconf, isc_boolean_t added); + +static isc_result_t +add_keydata_zone(dns_view_t *view, const char *directory, isc_mem_t *mctx); static void end_reserved_dispatches(ns_server_t *server, isc_boolean_t all); +static void +cfgctx_destroy(void **cfgp); + /*% * Configure a single view ACL at '*aclp'. Get its configuration from * 'vconfig' (for per-view configuration) and maybe from 'config' */ static isc_result_t configure_view_acl(const cfg_obj_t *vconfig, const cfg_obj_t *config, - const char *aclname, cfg_aclconfctx_t *actx, - isc_mem_t *mctx, dns_acl_t **aclp) + const char *aclname, const char *acltuplename, + cfg_aclconfctx_t *actx, isc_mem_t *mctx, dns_acl_t **aclp) { isc_result_t result; const cfg_obj_t *maps[3]; @@ -294,13 +339,21 @@ configure_view_acl(const cfg_obj_t *vconfig, const cfg_obj_t *config, */ return (ISC_R_SUCCESS); + if (acltuplename != NULL) { + /* + * If the ACL is given in an optional tuple, retrieve it. + * The parser should have ensured that a valid object be + * returned. + */ + aclobj = cfg_tuple_get(aclobj, acltuplename); + } + result = cfg_acl_fromconfig(aclobj, config, ns_g_lctx, actx, mctx, 0, aclp); return (result); } - /*% * Configure a sortlist at '*aclp'. Essentially the same as * configure_view_acl() except it calls cfg_acl_fromconfig with a @@ -345,8 +398,88 @@ configure_view_sortlist(const cfg_obj_t *vconfig, const cfg_obj_t *config, } static isc_result_t -configure_view_dnsseckey(const cfg_obj_t *vconfig, const cfg_obj_t *key, - dns_keytable_t *keytable, isc_mem_t *mctx) +configure_view_nametable(const cfg_obj_t *vconfig, const cfg_obj_t *config, + const char *confname, const char *conftuplename, + isc_mem_t *mctx, dns_rbt_t **rbtp) +{ + isc_result_t result; + const cfg_obj_t *maps[3]; + const cfg_obj_t *obj = NULL; + const cfg_listelt_t *element; + int i = 0; + dns_fixedname_t fixed; + dns_name_t *name; + isc_buffer_t b; + const char *str; + const cfg_obj_t *nameobj; + + if (*rbtp != NULL) + dns_rbt_destroy(rbtp); + if (vconfig != NULL) + maps[i++] = cfg_tuple_get(vconfig, "options"); + if (config != NULL) { + const cfg_obj_t *options = NULL; + (void)cfg_map_get(config, "options", &options); + if (options != NULL) + maps[i++] = options; + } + maps[i] = NULL; + + (void)ns_config_get(maps, confname, &obj); + if (obj == NULL) + /* + * No value available. *rbtp == NULL. + */ + return (ISC_R_SUCCESS); + + if (conftuplename != NULL) { + obj = cfg_tuple_get(obj, conftuplename); + if (cfg_obj_isvoid(obj)) + return (ISC_R_SUCCESS); + } + + result = dns_rbt_create(mctx, NULL, NULL, rbtp); + if (result != ISC_R_SUCCESS) + return (result); + + dns_fixedname_init(&fixed); + name = dns_fixedname_name(&fixed); + for (element = cfg_list_first(obj); + element != NULL; + element = cfg_list_next(element)) { + nameobj = cfg_listelt_value(element); + str = cfg_obj_asstring(nameobj); + isc_buffer_init(&b, str, strlen(str)); + isc_buffer_add(&b, strlen(str)); + CHECK(dns_name_fromtext(name, &b, dns_rootname, 0, NULL)); + /* + * We don't need the node data, but need to set dummy data to + * avoid a partial match with an empty node. For example, if + * we have foo.example.com and bar.example.com, we'd get a match + * for baz.example.com, which is not the expected result. + * We simply use (void *)1 as the dummy data. + */ + result = dns_rbt_addname(*rbtp, name, (void *)1); + if (result != ISC_R_SUCCESS) { + cfg_obj_log(nameobj, ns_g_lctx, ISC_LOG_ERROR, + "failed to add %s for %s: %s", + str, confname, isc_result_totext(result)); + goto cleanup; + } + + } + + return (result); + + cleanup: + dns_rbt_destroy(rbtp); + return (result); + +} + +static isc_result_t +dstkey_fromconfig(const cfg_obj_t *vconfig, const cfg_obj_t *key, + isc_boolean_t managed, dst_key_t **target, isc_mem_t *mctx) { dns_rdataclass_t viewclass; dns_rdata_dnskey_t keystruct; @@ -363,12 +496,28 @@ configure_view_dnsseckey(const cfg_obj_t *vconfig, const cfg_obj_t *key, isc_result_t result; dst_key_t *dstkey = NULL; + INSIST(target != NULL && *target == NULL); + flags = cfg_obj_asuint32(cfg_tuple_get(key, "flags")); proto = cfg_obj_asuint32(cfg_tuple_get(key, "protocol")); alg = cfg_obj_asuint32(cfg_tuple_get(key, "algorithm")); keyname = dns_fixedname_name(&fkeyname); keynamestr = cfg_obj_asstring(cfg_tuple_get(key, "name")); + if (managed) { + const char *initmethod; + initmethod = cfg_obj_asstring(cfg_tuple_get(key, "init")); + + if (strcasecmp(initmethod, "initial-key") != 0) { + cfg_obj_log(key, ns_g_lctx, ISC_LOG_ERROR, + "managed key '%s': " + "invalid initialization method '%s'", + keynamestr, initmethod); + result = ISC_R_FAILURE; + goto cleanup; + } + } + if (vconfig == NULL) viewclass = dns_rdataclass_in; else { @@ -408,7 +557,8 @@ configure_view_dnsseckey(const cfg_obj_t *vconfig, const cfg_obj_t *key, keystruct.algorithm == DST_ALG_RSAMD5) && r.length > 1 && r.base[0] == 1 && r.base[1] == 3) cfg_obj_log(key, ns_g_lctx, ISC_LOG_WARNING, - "trusted key '%s' has a weak exponent", + "%s key '%s' has a weak exponent", + managed ? "managed" : "trusted", keynamestr); CHECK(dns_rdata_fromstruct(NULL, @@ -418,25 +568,28 @@ configure_view_dnsseckey(const cfg_obj_t *vconfig, const cfg_obj_t *key, dns_fixedname_init(&fkeyname); isc_buffer_init(&namebuf, keynamestr, strlen(keynamestr)); isc_buffer_add(&namebuf, strlen(keynamestr)); - CHECK(dns_name_fromtext(keyname, &namebuf, - dns_rootname, ISC_FALSE, - NULL)); + CHECK(dns_name_fromtext(keyname, &namebuf, dns_rootname, 0, NULL)); CHECK(dst_key_fromdns(keyname, viewclass, &rrdatabuf, mctx, &dstkey)); - CHECK(dns_keytable_add(keytable, &dstkey)); - INSIST(dstkey == NULL); + *target = dstkey; return (ISC_R_SUCCESS); cleanup: if (result == DST_R_NOCRYPTO) { cfg_obj_log(key, ns_g_lctx, ISC_LOG_ERROR, - "ignoring trusted key for '%s': no crypto support", + "ignoring %s key for '%s': no crypto support", + managed ? "managed" : "trusted", keynamestr); - result = ISC_R_SUCCESS; + } else if (result == DST_R_UNSUPPORTEDALG) { + cfg_obj_log(key, ns_g_lctx, ISC_LOG_WARNING, + "skipping %s key for '%s': %s", + managed ? "managed" : "trusted", + keynamestr, isc_result_totext(result)); } else { cfg_obj_log(key, ns_g_lctx, ISC_LOG_ERROR, - "configuring trusted key for '%s': %s", + "configuring %s key for '%s': %s", + managed ? "managed" : "trusted", keynamestr, isc_result_totext(result)); result = ISC_R_FAILURE; } @@ -447,63 +600,215 @@ configure_view_dnsseckey(const cfg_obj_t *vconfig, const cfg_obj_t *key, return (result); } +static isc_result_t +load_view_keys(const cfg_obj_t *keys, const cfg_obj_t *vconfig, + dns_view_t *view, isc_boolean_t managed, + dns_name_t *keyname, isc_mem_t *mctx) +{ + const cfg_listelt_t *elt, *elt2; + const cfg_obj_t *key, *keylist; + dst_key_t *dstkey = NULL; + isc_result_t result; + dns_keytable_t *secroots = NULL; + + CHECK(dns_view_getsecroots(view, &secroots)); + + for (elt = cfg_list_first(keys); + elt != NULL; + elt = cfg_list_next(elt)) { + keylist = cfg_listelt_value(elt); + + for (elt2 = cfg_list_first(keylist); + elt2 != NULL; + elt2 = cfg_list_next(elt2)) { + key = cfg_listelt_value(elt2); + result = dstkey_fromconfig(vconfig, key, managed, + &dstkey, mctx); + if (result == DST_R_UNSUPPORTEDALG) { + result = ISC_R_SUCCESS; + continue; + } + if (result != ISC_R_SUCCESS) + goto cleanup; + + /* + * If keyname was specified, we only add that key. + */ + if (keyname != NULL && + !dns_name_equal(keyname, dst_key_name(dstkey))) + { + dst_key_free(&dstkey); + continue; + } + + CHECK(dns_keytable_add(secroots, managed, &dstkey)); + } + } + + cleanup: + if (dstkey != NULL) + dst_key_free(&dstkey); + if (secroots != NULL) + dns_keytable_detach(&secroots); + if (result == DST_R_NOCRYPTO) + result = ISC_R_SUCCESS; + return (result); +} + /*% - * Configure DNSSEC keys for a view. Currently used only for - * the security roots. + * Configure DNSSEC keys for a view. * * The per-view configuration values and the server-global defaults are read - * from 'vconfig' and 'config'. The variable to be configured is '*target'. + * from 'vconfig' and 'config'. */ static isc_result_t -configure_view_dnsseckeys(const cfg_obj_t *vconfig, const cfg_obj_t *config, - isc_mem_t *mctx, dns_keytable_t **target) +configure_view_dnsseckeys(dns_view_t *view, const cfg_obj_t *vconfig, + const cfg_obj_t *config, const cfg_obj_t *bindkeys, + isc_boolean_t auto_dlv, isc_boolean_t auto_root, + isc_mem_t *mctx) { - isc_result_t result; - const cfg_obj_t *keys = NULL; + isc_result_t result = ISC_R_SUCCESS; + const cfg_obj_t *view_keys = NULL; + const cfg_obj_t *global_keys = NULL; + const cfg_obj_t *view_managed_keys = NULL; + const cfg_obj_t *global_managed_keys = NULL; + const cfg_obj_t *maps[4]; const cfg_obj_t *voptions = NULL; - const cfg_listelt_t *element, *element2; - const cfg_obj_t *keylist; - const cfg_obj_t *key; - dns_keytable_t *keytable = NULL; + const cfg_obj_t *options = NULL; + const cfg_obj_t *obj = NULL; + const char *directory; + int i = 0; - CHECK(dns_keytable_create(mctx, &keytable)); + /* We don't need trust anchors for the _bind view */ + if (strcmp(view->name, "_bind") == 0 && + view->rdclass == dns_rdataclass_chaos) { + return (ISC_R_SUCCESS); + } - if (vconfig != NULL) + if (vconfig != NULL) { voptions = cfg_tuple_get(vconfig, "options"); + if (voptions != NULL) { + (void) cfg_map_get(voptions, "trusted-keys", + &view_keys); + (void) cfg_map_get(voptions, "managed-keys", + &view_managed_keys); + maps[i++] = voptions; + } + } - keys = NULL; - if (voptions != NULL) - (void)cfg_map_get(voptions, "trusted-keys", &keys); - if (keys == NULL) - (void)cfg_map_get(config, "trusted-keys", &keys); + if (config != NULL) { + (void)cfg_map_get(config, "trusted-keys", &global_keys); + (void)cfg_map_get(config, "managed-keys", &global_managed_keys); + (void)cfg_map_get(config, "options", &options); + if (options != NULL) { + maps[i++] = options; + } + } - for (element = cfg_list_first(keys); - element != NULL; - element = cfg_list_next(element)) - { - keylist = cfg_listelt_value(element); - for (element2 = cfg_list_first(keylist); - element2 != NULL; - element2 = cfg_list_next(element2)) - { - key = cfg_listelt_value(element2); - CHECK(configure_view_dnsseckey(vconfig, key, - keytable, mctx)); + maps[i++] = ns_g_defaults; + maps[i] = NULL; + + result = dns_view_initsecroots(view, mctx); + if (result != ISC_R_SUCCESS) { + isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, + NS_LOGMODULE_SERVER, ISC_LOG_ERROR, + "couldn't create keytable"); + return (ISC_R_UNEXPECTED); + } + + if (auto_dlv && view->rdclass == dns_rdataclass_in) { + const cfg_obj_t *builtin_keys = NULL; + const cfg_obj_t *builtin_managed_keys = NULL; + + isc_log_write(ns_g_lctx, DNS_LOGCATEGORY_SECURITY, + NS_LOGMODULE_SERVER, ISC_LOG_WARNING, + "using built-in DLV key for view %s", + view->name); + + /* + * If bind.keys exists, it overrides the managed-keys + * clause hard-coded in ns_g_config. + */ + if (bindkeys != NULL) { + (void)cfg_map_get(bindkeys, "trusted-keys", + &builtin_keys); + (void)cfg_map_get(bindkeys, "managed-keys", + &builtin_managed_keys); + } else { + (void)cfg_map_get(ns_g_config, "trusted-keys", + &builtin_keys); + (void)cfg_map_get(ns_g_config, "managed-keys", + &builtin_managed_keys); } + + if (builtin_keys != NULL) + CHECK(load_view_keys(builtin_keys, vconfig, view, + ISC_FALSE, view->dlv, mctx)); + if (builtin_managed_keys != NULL) + CHECK(load_view_keys(builtin_managed_keys, vconfig, + view, ISC_TRUE, view->dlv, mctx)); } - dns_keytable_detach(target); - *target = keytable; /* Transfer ownership. */ - keytable = NULL; - result = ISC_R_SUCCESS; + if (auto_root && view->rdclass == dns_rdataclass_in) { + const cfg_obj_t *builtin_keys = NULL; + const cfg_obj_t *builtin_managed_keys = NULL; - cleanup: + isc_log_write(ns_g_lctx, DNS_LOGCATEGORY_SECURITY, + NS_LOGMODULE_SERVER, ISC_LOG_WARNING, + "using built-in root key for view %s", + view->name); + + /* + * If bind.keys exists, it overrides the managed-keys + * clause hard-coded in ns_g_config. + */ + if (bindkeys != NULL) { + (void)cfg_map_get(bindkeys, "trusted-keys", + &builtin_keys); + (void)cfg_map_get(bindkeys, "managed-keys", + &builtin_managed_keys); + } else { + (void)cfg_map_get(ns_g_config, "trusted-keys", + &builtin_keys); + (void)cfg_map_get(ns_g_config, "managed-keys", + &builtin_managed_keys); + } + + if (builtin_keys != NULL) + CHECK(load_view_keys(builtin_keys, vconfig, view, + ISC_FALSE, dns_rootname, mctx)); + if (builtin_managed_keys != NULL) + CHECK(load_view_keys(builtin_managed_keys, vconfig, + view, ISC_TRUE, dns_rootname, + mctx)); + } + + CHECK(load_view_keys(view_keys, vconfig, view, ISC_FALSE, + NULL, mctx)); + CHECK(load_view_keys(view_managed_keys, vconfig, view, ISC_TRUE, + NULL, mctx)); + + if (view->rdclass == dns_rdataclass_in) { + CHECK(load_view_keys(global_keys, vconfig, view, ISC_FALSE, + NULL, mctx)); + CHECK(load_view_keys(global_managed_keys, vconfig, view, + ISC_TRUE, NULL, mctx)); + } + + /* + * Add key zone for managed-keys. + */ + obj = NULL; + (void)ns_config_get(maps, "managed-keys-directory", &obj); + directory = obj != NULL ? cfg_obj_asstring(obj) : NULL; + CHECK(add_keydata_zone(view, directory, ns_g_mctx)); + + cleanup: return (result); } static isc_result_t -mustbesecure(const cfg_obj_t *mbs, dns_resolver_t *resolver) -{ +mustbesecure(const cfg_obj_t *mbs, dns_resolver_t *resolver) { const cfg_listelt_t *element; const cfg_obj_t *obj; const char *str; @@ -523,8 +828,7 @@ mustbesecure(const cfg_obj_t *mbs, dns_resolver_t *resolver) str = cfg_obj_asstring(cfg_tuple_get(obj, "name")); isc_buffer_init(&b, str, strlen(str)); isc_buffer_add(&b, strlen(str)); - CHECK(dns_name_fromtext(name, &b, dns_rootname, - ISC_FALSE, NULL)); + CHECK(dns_name_fromtext(name, &b, dns_rootname, 0, NULL)); value = cfg_obj_asboolean(cfg_tuple_get(obj, "value")); CHECK(dns_resolver_setmustbesecure(resolver, name, value)); } @@ -684,7 +988,7 @@ configure_order(dns_order_t *order, const cfg_obj_t *ent) { isc_buffer_add(&b, strlen(str)); dns_fixedname_init(&fixed); result = dns_name_fromtext(dns_fixedname_name(&fixed), &b, - dns_rootname, ISC_FALSE, NULL); + dns_rootname, 0, NULL); if (result != ISC_R_SUCCESS) return (result); @@ -868,7 +1172,7 @@ disable_algorithms(const cfg_obj_t *disabled, dns_resolver_t *resolver) { str = cfg_obj_asstring(cfg_tuple_get(disabled, "name")); isc_buffer_init(&b, str, strlen(str)); isc_buffer_add(&b, strlen(str)); - CHECK(dns_name_fromtext(name, &b, dns_rootname, ISC_FALSE, NULL)); + CHECK(dns_name_fromtext(name, &b, dns_rootname, 0, NULL)); algorithms = cfg_tuple_get(disabled, "algorithms"); for (element = cfg_list_first(algorithms); @@ -921,7 +1225,7 @@ on_disable_list(const cfg_obj_t *disablelist, dns_name_t *zonename) { isc_buffer_init(&b, str, strlen(str)); isc_buffer_add(&b, strlen(str)); result = dns_name_fromtext(name, &b, dns_rootname, - ISC_TRUE, NULL); + 0, NULL); RUNTIME_CHECK(result == ISC_R_SUCCESS); if (dns_name_equal(name, zonename)) return (ISC_TRUE); @@ -979,6 +1283,20 @@ setquerystats(dns_zone_t *zone, isc_mem_t *mctx, isc_boolean_t on) { return (ISC_R_SUCCESS); } +static ns_cache_t * +cachelist_find(ns_cachelist_t *cachelist, const char *cachename) { + ns_cache_t *nsc; + + for (nsc = ISC_LIST_HEAD(*cachelist); + nsc != NULL; + nsc = ISC_LIST_NEXT(nsc, link)) { + if (strcmp(dns_cache_getname(nsc->cache), cachename) == 0) + return (nsc); + } + + return (NULL); +} + static isc_boolean_t cache_reusable(dns_view_t *originview, dns_view_t *view, isc_boolean_t new_zero_no_soattl) @@ -996,6 +1314,238 @@ cache_reusable(dns_view_t *originview, dns_view_t *view, return (ISC_TRUE); } +static isc_boolean_t +cache_sharable(dns_view_t *originview, dns_view_t *view, + isc_boolean_t new_zero_no_soattl, + unsigned int new_cleaning_interval, + isc_uint32_t new_max_cache_size) +{ + /* + * If the cache cannot even reused for the same view, it cannot be + * shared with other views. + */ + if (!cache_reusable(originview, view, new_zero_no_soattl)) + return (ISC_FALSE); + + /* + * Check other cache related parameters that must be consistent among + * the sharing views. + */ + if (dns_cache_getcleaninginterval(originview->cache) != + new_cleaning_interval || + dns_cache_getcachesize(originview->cache) != new_max_cache_size) { + return (ISC_FALSE); + } + + return (ISC_TRUE); +} + +#ifdef DLZ +/* + * Callback from DLZ configure when the driver sets up a writeable zone + */ +static isc_result_t +dlzconfigure_callback(dns_view_t *view, dns_zone_t *zone) { + dns_name_t *origin = dns_zone_getorigin(zone); + dns_rdataclass_t zclass = view->rdclass; + isc_result_t result; + + result = dns_zonemgr_managezone(ns_g_server->zonemgr, zone); + if (result != ISC_R_SUCCESS) + return result; + dns_zone_setstats(zone, ns_g_server->zonestats); + + return ns_zone_configure_writeable_dlz(view->dlzdatabase, + zone, zclass, origin); +} +#endif + +static isc_result_t +dns64_reverse(dns_view_t *view, isc_mem_t *mctx, isc_netaddr_t *na, + unsigned int prefixlen, const char *server, + const char *contact) +{ + char *cp; + char reverse[48+sizeof("ip6.arpa.")]; + const char *dns64_dbtype[4] = { "_builtin", "dns64", ".", "." }; + const char *sep = ": view "; + const char *viewname = view->name; + const unsigned char *s6; + dns_fixedname_t fixed; + dns_name_t *name; + dns_zone_t *zone = NULL; + int dns64_dbtypec = 4; + isc_buffer_t b; + isc_result_t result; + + REQUIRE(prefixlen == 32 || prefixlen == 40 || prefixlen == 48 || + prefixlen == 56 || prefixlen == 64 || prefixlen == 96); + + if (!strcmp(viewname, "_default")) { + sep = ""; + viewname = ""; + } + + /* + * Construct the reverse name of the zone. + */ + cp = reverse; + s6 = na->type.in6.s6_addr; + while (prefixlen > 0) { + prefixlen -= 8; + sprintf(cp, "%x.%x.", s6[prefixlen/8] & 0xf, + (s6[prefixlen/8] >> 4) & 0xf); + cp += 4; + } + strcat(cp, "ip6.arpa."); + + /* + * Create the actual zone. + */ + if (server != NULL) + dns64_dbtype[2] = server; + if (contact != NULL) + dns64_dbtype[3] = contact; + dns_fixedname_init(&fixed); + name = dns_fixedname_name(&fixed); + isc_buffer_init(&b, reverse, strlen(reverse)); + isc_buffer_add(&b, strlen(reverse)); + CHECK(dns_name_fromtext(name, &b, dns_rootname, 0, NULL)); + CHECK(dns_zone_create(&zone, mctx)); + CHECK(dns_zone_setorigin(zone, name)); + dns_zone_setview(zone, view); + CHECK(dns_zonemgr_managezone(ns_g_server->zonemgr, zone)); + dns_zone_setclass(zone, view->rdclass); + dns_zone_settype(zone, dns_zone_master); + dns_zone_setstats(zone, ns_g_server->zonestats); + CHECK(dns_zone_setdbtype(zone, dns64_dbtypec, dns64_dbtype)); + if (view->queryacl != NULL) + dns_zone_setqueryacl(zone, view->queryacl); + if (view->queryonacl != NULL) + dns_zone_setqueryonacl(zone, view->queryonacl); + dns_zone_setdialup(zone, dns_dialuptype_no); + dns_zone_setnotifytype(zone, dns_notifytype_no); + dns_zone_setoption(zone, DNS_ZONEOPT_NOCHECKNS, ISC_TRUE); + CHECK(setquerystats(zone, mctx, ISC_FALSE)); /* XXXMPA */ + CHECK(dns_view_addzone(view, zone)); + isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_SERVER, + ISC_LOG_INFO, "dns64 reverse zone%s%s: %s", sep, + viewname, reverse); + +cleanup: + if (zone != NULL) + dns_zone_detach(&zone); + return (result); +} + +static isc_result_t +configure_rpz(dns_view_t *view, const cfg_listelt_t *element) { + const cfg_obj_t *rpz_obj, *policy_obj; + const char *str; + dns_fixedname_t fixed; + dns_name_t *origin; + dns_rpz_zone_t *old, *new; + dns_zone_t *zone = NULL; + isc_result_t result; + unsigned int l1, l2; + + new = isc_mem_get(view->mctx, sizeof(*new)); + if (new == NULL) { + result = ISC_R_NOMEMORY; + goto cleanup; + } + + memset(new, 0, sizeof(*new)); + dns_name_init(&new->nsdname, NULL); + dns_name_init(&new->origin, NULL); + dns_name_init(&new->cname, NULL); + ISC_LIST_INITANDAPPEND(view->rpz_zones, new, link); + + rpz_obj = cfg_listelt_value(element); + policy_obj = cfg_tuple_get(rpz_obj, "policy"); + if (cfg_obj_isvoid(policy_obj)) { + new->policy = DNS_RPZ_POLICY_GIVEN; + } else { + str = cfg_obj_asstring(policy_obj); + new->policy = dns_rpz_str2policy(str); + INSIST(new->policy != DNS_RPZ_POLICY_ERROR); + } + + dns_fixedname_init(&fixed); + origin = dns_fixedname_name(&fixed); + str = cfg_obj_asstring(cfg_tuple_get(rpz_obj, "name")); + result = dns_name_fromstring(origin, str, DNS_NAME_DOWNCASE, NULL); + if (result != ISC_R_SUCCESS) { + cfg_obj_log(rpz_obj, ns_g_lctx, DNS_RPZ_ERROR_LEVEL, + "invalid zone '%s'", str); + goto cleanup; + } + + result = dns_name_fromstring2(&new->nsdname, DNS_RPZ_NSDNAME_ZONE, + origin, DNS_NAME_DOWNCASE, view->mctx); + if (result != ISC_R_SUCCESS) { + cfg_obj_log(rpz_obj, ns_g_lctx, DNS_RPZ_ERROR_LEVEL, + "invalid zone '%s'", str); + goto cleanup; + } + + /* + * The origin is part of 'nsdname' so we don't need to keep it + * seperately. + */ + l1 = dns_name_countlabels(&new->nsdname); + l2 = dns_name_countlabels(origin); + dns_name_getlabelsequence(&new->nsdname, l1 - l2, l2, &new->origin); + + /* + * Are we configured to with the reponse policy zone? + */ + result = dns_view_findzone(view, &new->origin, &zone); + if (result != ISC_R_SUCCESS) { + cfg_obj_log(rpz_obj, ns_g_lctx, DNS_RPZ_ERROR_LEVEL, + "unknown zone '%s'", str); + goto cleanup; + } + + if (dns_zone_gettype(zone) != dns_zone_master && + dns_zone_gettype(zone) != dns_zone_slave) { + cfg_obj_log(rpz_obj, ns_g_lctx, DNS_RPZ_ERROR_LEVEL, + "zone '%s' is neither master nor slave", str); + dns_zone_detach(&zone); + result = DNS_R_NOTMASTER; + goto cleanup; + } + dns_zone_detach(&zone); + + for (old = ISC_LIST_HEAD(view->rpz_zones); + old != new; + old = ISC_LIST_NEXT(old, link)) { + ++new->num; + if (dns_name_equal(&old->origin, &new->origin)) { + cfg_obj_log(rpz_obj, ns_g_lctx, DNS_RPZ_ERROR_LEVEL, + "duplicate '%s'", str); + result = DNS_R_DUPLICATE; + goto cleanup; + } + } + + if (new->policy == DNS_RPZ_POLICY_CNAME) { + str = cfg_obj_asstring(cfg_tuple_get(rpz_obj, "cname")); + result = dns_name_fromstring(&new->cname, str, 0, view->mctx); + if (result != ISC_R_SUCCESS) { + cfg_obj_log(rpz_obj, ns_g_lctx, DNS_RPZ_ERROR_LEVEL, + "invalid cname '%s'", str); + goto cleanup; + } + } + + return (ISC_R_SUCCESS); + + cleanup: + dns_rpz_view_destroy(view); + return (result); +} + /* * Configure 'view' according to 'vconfig', taking defaults from 'config' * where values are missing in 'vconfig'. @@ -1004,12 +1554,15 @@ cache_reusable(dns_view_t *originview, dns_view_t *view, * global defaults in 'config' used exclusively. */ static isc_result_t -configure_view(dns_view_t *view, const cfg_obj_t *config, - const cfg_obj_t *vconfig, isc_mem_t *mctx, - cfg_aclconfctx_t *actx, isc_boolean_t need_hints) +configure_view(dns_view_t *view, cfg_parser_t* parser, + cfg_obj_t *config, cfg_obj_t *vconfig, + ns_cachelist_t *cachelist, const cfg_obj_t *bindkeys, + isc_mem_t *mctx, cfg_aclconfctx_t *actx, + isc_boolean_t need_hints) { const cfg_obj_t *maps[4]; const cfg_obj_t *cfgmaps[3]; + const cfg_obj_t *optionmaps[3]; const cfg_obj_t *options = NULL; const cfg_obj_t *voptions = NULL; const cfg_obj_t *forwardtype; @@ -1028,17 +1581,20 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, dns_cache_t *cache = NULL; isc_result_t result; isc_uint32_t max_adb_size; + unsigned int cleaning_interval; isc_uint32_t max_cache_size; isc_uint32_t max_acache_size; isc_uint32_t lame_ttl; - dns_tsig_keyring_t *ring; + dns_tsig_keyring_t *ring = NULL; dns_view_t *pview = NULL; /* Production view */ isc_mem_t *cmctx; dns_dispatch_t *dispatch4 = NULL; dns_dispatch_t *dispatch6 = NULL; isc_boolean_t reused_cache = ISC_FALSE; - int i; + isc_boolean_t shared_cache = ISC_FALSE; + int i = 0, j = 0, k = 0; const char *str; + const char *cachename = NULL; dns_order_t *order = NULL; isc_uint32_t udpsize; unsigned int resopts = 0; @@ -1052,7 +1608,14 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, const cfg_obj_t *disablelist = NULL; isc_stats_t *resstats = NULL; dns_stats_t *resquerystats = NULL; + isc_boolean_t auto_dlv = ISC_FALSE; + isc_boolean_t auto_root = ISC_FALSE; + ns_cache_t *nsc; isc_boolean_t zero_no_soattl; + cfg_parser_t *newzones_parser = NULL; + cfg_obj_t *nzfconf = NULL; + dns_acl_t *clients = NULL, *mapped = NULL, *excluded = NULL; + unsigned int query_timeout; REQUIRE(DNS_VIEW_VALID(view)); @@ -1061,22 +1624,28 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, if (config != NULL) (void)cfg_map_get(config, "options", &options); - i = 0; + /* + * maps: view options, options, defaults + * cfgmaps: view options, config + * optionmaps: view options, options + */ if (vconfig != NULL) { voptions = cfg_tuple_get(vconfig, "options"); maps[i++] = voptions; + optionmaps[j++] = voptions; + cfgmaps[k++] = voptions; } - if (options != NULL) + if (options != NULL) { maps[i++] = options; + optionmaps[j++] = options; + } + maps[i++] = ns_g_defaults; maps[i] = NULL; - - i = 0; - if (voptions != NULL) - cfgmaps[i++] = voptions; + optionmaps[j] = NULL; if (config != NULL) - cfgmaps[i++] = config; - cfgmaps[i] = NULL; + cfgmaps[k++] = config; + cfgmaps[k] = NULL; if (!strcmp(viewname, "_default")) { sep = ""; @@ -1137,12 +1706,12 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, dns_acache_setcachesize(view->acache, max_acache_size); } - CHECK(configure_view_acl(vconfig, config, "allow-query", actx, + CHECK(configure_view_acl(vconfig, config, "allow-query", NULL, actx, ns_g_mctx, &view->queryacl)); - if (view->queryacl == NULL) { - CHECK(configure_view_acl(NULL, ns_g_config, "allow-query", actx, - ns_g_mctx, &view->queryacl)); + CHECK(configure_view_acl(NULL, ns_g_config, "allow-query", + NULL, actx, ns_g_mctx, + &view->queryacl)); } /* @@ -1159,7 +1728,62 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, { const cfg_obj_t *zconfig = cfg_listelt_value(element); CHECK(configure_zone(config, zconfig, vconfig, mctx, view, - actx)); + actx, ISC_FALSE)); + } + + /* + * Are we allowing zones to be added and deleted dynamically? + */ + obj = NULL; + result = ns_config_get(maps, "allow-new-zones", &obj); + if (result == ISC_R_SUCCESS) { + isc_boolean_t allow = cfg_obj_asboolean(obj); + struct cfg_context *cfg = NULL; + if (allow) { + cfg = isc_mem_get(view->mctx, sizeof(*cfg)); + if (cfg == NULL) { + result = ISC_R_NOMEMORY; + goto cleanup; + } + memset(cfg, 0, sizeof(*cfg)); + isc_mem_attach(view->mctx, &cfg->mctx); + if (config != NULL) + cfg_obj_attach(config, &cfg->config); + cfg_parser_attach(parser, &cfg->parser); + cfg_aclconfctx_clone(actx, &cfg->actx); + } + dns_view_setnewzones(view, allow, cfg, cfgctx_destroy); + } + + /* + * If we're allowing added zones, then load zone configuration + * from the newzone file for zones that were added during previous + * runs. + */ + if (view->new_zone_file != NULL) { + isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, + NS_LOGMODULE_SERVER, ISC_LOG_INFO, + "loading additional zones for view '%s'", + view->name); + + CHECK(cfg_parser_create(view->mctx, ns_g_lctx, + &newzones_parser)); + result = cfg_parse_file(newzones_parser, view->new_zone_file, + &cfg_type_newzones, &nzfconf); + if (result == ISC_R_SUCCESS) { + zonelist = NULL; + cfg_map_get(nzfconf, "zone", &zonelist); + for (element = cfg_list_first(zonelist); + element != NULL; + element = cfg_list_next(element)) + { + const cfg_obj_t *zconfig = + cfg_listelt_value(element); + CHECK(configure_zone(config, zconfig, vconfig, + mctx, view, actx, + ISC_TRUE)); + } + } } #ifdef DLZ @@ -1197,6 +1821,14 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, isc_mem_put(mctx, dlzargv, dlzargc * sizeof(*dlzargv)); if (result != ISC_R_SUCCESS) goto cleanup; + + /* + * If the dlz backend supports configuration, + * then call its configure method now. + */ + result = dns_dlzconfigure(view, dlzconfigure_callback); + if (result != ISC_R_SUCCESS) + goto cleanup; } } #endif @@ -1205,6 +1837,32 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, * Obtain configuration parameters that affect the decision of whether * we can reuse/share an existing cache. */ + obj = NULL; + result = ns_config_get(maps, "cleaning-interval", &obj); + INSIST(result == ISC_R_SUCCESS); + cleaning_interval = cfg_obj_asuint32(obj) * 60; + + obj = NULL; + result = ns_config_get(maps, "max-cache-size", &obj); + INSIST(result == ISC_R_SUCCESS); + if (cfg_obj_isstring(obj)) { + str = cfg_obj_asstring(obj); + INSIST(strcasecmp(str, "unlimited") == 0); + max_cache_size = ISC_UINT32_MAX; + } else { + isc_resourcevalue_t value; + value = cfg_obj_asuint64(obj); + if (value > ISC_UINT32_MAX) { + cfg_obj_log(obj, ns_g_lctx, ISC_LOG_ERROR, + "'max-cache-size " + "%" ISC_PRINT_QUADFORMAT "d' is too large", + value); + result = ISC_R_RANGE; + goto cleanup; + } + max_cache_size = (isc_uint32_t)value; + } + /* Check-names. */ obj = NULL; result = ns_checknames_get(maps, "response", &obj); @@ -1229,6 +1887,109 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, zero_no_soattl = cfg_obj_asboolean(obj); obj = NULL; + result = ns_config_get(maps, "dns64", &obj); + if (result == ISC_R_SUCCESS && strcmp(view->name, "_bind") && + strcmp(view->name, "_meta")) { + const cfg_listelt_t *element; + isc_netaddr_t na, suffix, *sp; + unsigned int prefixlen; + const char *server, *contact; + const cfg_obj_t *myobj; + + myobj = NULL; + result = ns_config_get(maps, "dns64-server", &myobj); + if (result == ISC_R_SUCCESS) + server = cfg_obj_asstring(myobj); + else + server = NULL; + + myobj = NULL; + result = ns_config_get(maps, "dns64-contact", &myobj); + if (result == ISC_R_SUCCESS) + contact = cfg_obj_asstring(myobj); + else + contact = NULL; + + for (element = cfg_list_first(obj); + element != NULL; + element = cfg_list_next(element)) + { + const cfg_obj_t *map = cfg_listelt_value(element); + dns_dns64_t *dns64 = NULL; + unsigned int dns64options = 0; + + cfg_obj_asnetprefix(cfg_map_getname(map), &na, + &prefixlen); + + obj = NULL; + (void)cfg_map_get(map, "suffix", &obj); + if (obj != NULL) { + sp = &suffix; + isc_netaddr_fromsockaddr(sp, + cfg_obj_assockaddr(obj)); + } else + sp = NULL; + + clients = mapped = excluded = NULL; + obj = NULL; + (void)cfg_map_get(map, "clients", &obj); + if (obj != NULL) { + result = cfg_acl_fromconfig(obj, config, + ns_g_lctx, actx, + mctx, 0, &clients); + if (result != ISC_R_SUCCESS) + goto cleanup; + } + obj = NULL; + (void)cfg_map_get(map, "mapped", &obj); + if (obj != NULL) { + result = cfg_acl_fromconfig(obj, config, + ns_g_lctx, actx, + mctx, 0, &mapped); + if (result != ISC_R_SUCCESS) + goto cleanup; + } + obj = NULL; + (void)cfg_map_get(map, "exclude", &obj); + if (obj != NULL) { + result = cfg_acl_fromconfig(obj, config, + ns_g_lctx, actx, + mctx, 0, &excluded); + if (result != ISC_R_SUCCESS) + goto cleanup; + } + + obj = NULL; + (void)cfg_map_get(map, "recursive-only", &obj); + if (obj != NULL && cfg_obj_asboolean(obj)) + dns64options |= DNS_DNS64_RECURSIVE_ONLY; + + obj = NULL; + (void)cfg_map_get(map, "break-dnssec", &obj); + if (obj != NULL && cfg_obj_asboolean(obj)) + dns64options |= DNS_DNS64_BREAK_DNSSEC; + + result = dns_dns64_create(mctx, &na, prefixlen, sp, + clients, mapped, excluded, + dns64options, &dns64); + if (result != ISC_R_SUCCESS) + goto cleanup; + dns_dns64_append(&view->dns64, dns64); + view->dns64cnt++; + result = dns64_reverse(view, mctx, &na, prefixlen, + server, contact); + if (result != ISC_R_SUCCESS) + goto cleanup; + if (clients != NULL) + dns_acl_detach(&clients); + if (mapped != NULL) + dns_acl_detach(&mapped); + if (excluded != NULL) + dns_acl_detach(&excluded); + } + } + + obj = NULL; result = ns_config_get(maps, "dnssec-accept-expired", &obj); INSIST(result == ISC_R_SUCCESS); view->acceptexpired = cfg_obj_asboolean(obj); @@ -1236,7 +1997,13 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, obj = NULL; result = ns_config_get(maps, "dnssec-validation", &obj); INSIST(result == ISC_R_SUCCESS); - view->enablevalidation = cfg_obj_asboolean(obj); + if (cfg_obj_isboolean(obj)) { + view->enablevalidation = cfg_obj_asboolean(obj); + } else { + /* If dnssec-validation is not boolean, it must be "auto" */ + view->enablevalidation = ISC_TRUE; + auto_root = ISC_TRUE; + } obj = NULL; result = ns_config_get(maps, "max-cache-ttl", &obj); @@ -1251,53 +2018,113 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, view->maxncachettl = 7 * 24 * 3600; /* - * Configure the view's cache. Try to reuse an existing - * cache if possible, otherwise create a new cache. - * Note that the ADB is not preserved in either case. - * When a matching view is found, the associated statistics are - * also retrieved and reused. + * Configure the view's cache. + * + * First, check to see if there are any attach-cache options. If yes, + * attempt to lookup an existing cache at attach it to the view. If + * there is not one, then try to reuse an existing cache if possible; + * otherwise create a new cache. * - * XXX Determining when it is safe to reuse a cache is tricky. + * Note that the ADB is not preserved or shared in either case. + * + * When a matching view is found, the associated statistics are also + * retrieved and reused. + * + * XXX Determining when it is safe to reuse or share a cache is tricky. * When the view's configuration changes, the cached data may become * invalid because it reflects our old view of the world. We check - * some of the configuration parameters that could invalidate the cache, - * but there are other configuration options that should be checked. - * For example, if a view uses a forwarder, changes in the forwarder - * configuration may invalidate the cache. At the moment, it's the - * administrator's responsibility to ensure these configuration options - * don't invalidate reusing. + * some of the configuration parameters that could invalidate the cache + * or otherwise make it unsharable, but there are other configuration + * options that should be checked. For example, if a view uses a + * forwarder, changes in the forwarder configuration may invalidate + * the cache. At the moment, it's the administrator's responsibility to + * ensure these configuration options don't invalidate reusing/sharing. */ - result = dns_viewlist_find(&ns_g_server->viewlist, - view->name, view->rdclass, - &pview); - if (result != ISC_R_NOTFOUND && result != ISC_R_SUCCESS) - goto cleanup; - if (pview != NULL) { - if (cache_reusable(pview, view, zero_no_soattl)) { - INSIST(pview->cache != NULL); - isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, - NS_LOGMODULE_SERVER, ISC_LOG_DEBUG(3), - "reusing existing cache"); - reused_cache = ISC_TRUE; - dns_cache_attach(pview->cache, &cache); - } else { + obj = NULL; + result = ns_config_get(maps, "attach-cache", &obj); + if (result == ISC_R_SUCCESS) + cachename = cfg_obj_asstring(obj); + else + cachename = view->name; + cache = NULL; + nsc = cachelist_find(cachelist, cachename); + if (nsc != NULL) { + if (!cache_sharable(nsc->primaryview, view, zero_no_soattl, + cleaning_interval, max_cache_size)) { isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, - NS_LOGMODULE_SERVER, ISC_LOG_DEBUG(1), - "cache cannot be reused for view %s " + NS_LOGMODULE_SERVER, ISC_LOG_ERROR, + "views %s and %s can't share the cache " "due to configuration parameter mismatch", - view->name); + nsc->primaryview->name, view->name); + result = ISC_R_FAILURE; + goto cleanup; } - dns_view_getresstats(pview, &resstats); - dns_view_getresquerystats(pview, &resquerystats); - dns_view_detach(&pview); - } - if (cache == NULL) { - CHECK(isc_mem_create(0, 0, &cmctx)); - CHECK(dns_cache_create(cmctx, ns_g_taskmgr, ns_g_timermgr, - view->rdclass, "rbt", 0, NULL, &cache)); - isc_mem_setname(cmctx, "cache", NULL); + dns_cache_attach(nsc->cache, &cache); + shared_cache = ISC_TRUE; + } else { + if (strcmp(cachename, view->name) == 0) { + result = dns_viewlist_find(&ns_g_server->viewlist, + cachename, view->rdclass, + &pview); + if (result != ISC_R_NOTFOUND && result != ISC_R_SUCCESS) + goto cleanup; + if (pview != NULL) { + if (!cache_reusable(pview, view, + zero_no_soattl)) { + isc_log_write(ns_g_lctx, + NS_LOGCATEGORY_GENERAL, + NS_LOGMODULE_SERVER, + ISC_LOG_DEBUG(1), + "cache cannot be reused " + "for view %s due to " + "configuration parameter " + "mismatch", view->name); + } else { + INSIST(pview->cache != NULL); + isc_log_write(ns_g_lctx, + NS_LOGCATEGORY_GENERAL, + NS_LOGMODULE_SERVER, + ISC_LOG_DEBUG(3), + "reusing existing cache"); + reused_cache = ISC_TRUE; + dns_cache_attach(pview->cache, &cache); + } + dns_view_getresstats(pview, &resstats); + dns_view_getresquerystats(pview, + &resquerystats); + dns_view_detach(&pview); + } + } + if (cache == NULL) { + /* + * Create a cache with the desired name. This normally + * equals the view name, but may also be a forward + * reference to a view that share the cache with this + * view but is not yet configured. If it is not the + * view name but not a forward reference either, then it + * is simply a named cache that is not shared. + */ + CHECK(isc_mem_create(0, 0, &cmctx)); + isc_mem_setname(cmctx, "cache", NULL); + CHECK(dns_cache_create2(cmctx, ns_g_taskmgr, + ns_g_timermgr, view->rdclass, + cachename, "rbt", 0, NULL, + &cache)); + } + nsc = isc_mem_get(mctx, sizeof(*nsc)); + if (nsc == NULL) { + result = ISC_R_NOMEMORY; + goto cleanup; + } + nsc->cache = NULL; + dns_cache_attach(cache, &nsc->cache); + nsc->primaryview = view; + nsc->needflush = ISC_FALSE; + nsc->adbsizeadjusted = ISC_FALSE; + ISC_LINK_INIT(nsc, link); + ISC_LIST_APPEND(*cachelist, nsc, link); } - dns_view_setcache(view, cache); + dns_view_setcache2(view, cache, shared_cache); /* * cache-file cannot be inherited if views are present, but this @@ -1307,35 +2134,11 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, result = ns_config_get(maps, "cache-file", &obj); if (result == ISC_R_SUCCESS && strcmp(view->name, "_bind") != 0) { CHECK(dns_cache_setfilename(cache, cfg_obj_asstring(obj))); - if (!reused_cache) + if (!reused_cache && !shared_cache) CHECK(dns_cache_load(cache)); } - obj = NULL; - result = ns_config_get(maps, "cleaning-interval", &obj); - INSIST(result == ISC_R_SUCCESS); - dns_cache_setcleaninginterval(cache, cfg_obj_asuint32(obj) * 60); - - obj = NULL; - result = ns_config_get(maps, "max-cache-size", &obj); - INSIST(result == ISC_R_SUCCESS); - if (cfg_obj_isstring(obj)) { - str = cfg_obj_asstring(obj); - INSIST(strcasecmp(str, "unlimited") == 0); - max_cache_size = ISC_UINT32_MAX; - } else { - isc_resourcevalue_t value; - value = cfg_obj_asuint64(obj); - if (value > ISC_UINT32_MAX) { - cfg_obj_log(obj, ns_g_lctx, ISC_LOG_ERROR, - "'max-cache-size " - "%" ISC_PRINT_QUADFORMAT "d' is too large", - value); - result = ISC_R_RANGE; - goto cleanup; - } - max_cache_size = (isc_uint32_t)value; - } + dns_cache_setcleaninginterval(cache, cleaning_interval); dns_cache_setcachesize(cache, max_cache_size); dns_cache_detach(&cache); @@ -1373,13 +2176,23 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, dns_view_setresquerystats(view, resquerystats); /* - * Set the ADB cache size to 1/8th of the max-cache-size. + * Set the ADB cache size to 1/8th of the max-cache-size or + * MAX_ADB_SIZE_FOR_CACHESHARE when the cache is shared. */ max_adb_size = 0; if (max_cache_size != 0) { max_adb_size = max_cache_size / 8; if (max_adb_size == 0) max_adb_size = 1; /* Force minimum. */ + if (view != nsc->primaryview && + max_adb_size > MAX_ADB_SIZE_FOR_CACHESHARE) { + max_adb_size = MAX_ADB_SIZE_FOR_CACHESHARE; + if (!nsc->adbsizeadjusted) { + dns_adb_setadbsize(nsc->primaryview->adb, + MAX_ADB_SIZE_FOR_CACHESHARE); + nsc->adbsizeadjusted = ISC_TRUE; + } + } } dns_adb_setadbsize(view->adb, max_adb_size); @@ -1395,6 +2208,18 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, dns_resolver_setlamettl(view->resolver, lame_ttl); /* + * Set the resolver's query timeout. + */ + obj = NULL; + result = ns_config_get(maps, "resolver-query-timeout", &obj); + INSIST(result == ISC_R_SUCCESS); + query_timeout = cfg_obj_asuint32(obj); + dns_resolver_settimeout(view->resolver, query_timeout); + + /* Specify whether to use 0-TTL for negative response for SOA query */ + dns_resolver_setzeronosoattl(view->resolver, zero_no_soattl); + + /* * Set the resolver's EDNS UDP size. */ obj = NULL; @@ -1482,11 +2307,31 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, } /* - * Configure the view's TSIG keys. + * Configure the view's TSIG keys. + */ + CHECK(ns_tsigkeyring_fromconfig(config, vconfig, view->mctx, &ring)); + if (ns_g_server->sessionkey != NULL) { + CHECK(dns_tsigkeyring_add(ring, ns_g_server->session_keyname, + ns_g_server->sessionkey)); + } + dns_view_setkeyring(view, ring); + dns_tsigkeyring_detach(&ring); + + /* + * See if we can re-use a dynamic key ring. */ - ring = NULL; - CHECK(ns_tsigkeyring_fromconfig(config, vconfig, view->mctx, &ring)); - dns_view_setkeyring(view, ring); + result = dns_viewlist_find(&ns_g_server->viewlist, view->name, + view->rdclass, &pview); + if (result != ISC_R_NOTFOUND && result != ISC_R_SUCCESS) + goto cleanup; + if (pview != NULL) { + dns_view_getdynamickeyring(pview, &ring); + if (ring != NULL) + dns_view_setdynamickeyring(view, ring); + dns_tsigkeyring_detach(&ring); + dns_view_detach(&pview); + } else + dns_view_restorekeyring(view); /* * Configure the view's peer list. @@ -1543,10 +2388,10 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, /* * Configure the "match-clients" and "match-destinations" ACL. */ - CHECK(configure_view_acl(vconfig, config, "match-clients", actx, + CHECK(configure_view_acl(vconfig, config, "match-clients", NULL, actx, ns_g_mctx, &view->matchclients)); - CHECK(configure_view_acl(vconfig, config, "match-destinations", actx, - ns_g_mctx, &view->matchdestinations)); + CHECK(configure_view_acl(vconfig, config, "match-destinations", NULL, + actx, ns_g_mctx, &view->matchdestinations)); /* * Configure the "match-recursive-only" option. @@ -1618,20 +2463,20 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, * "allow-recursion", and "allow-recursion-on" acls if * configured in named.conf. */ - CHECK(configure_view_acl(vconfig, config, "allow-query-cache", + CHECK(configure_view_acl(vconfig, config, "allow-query-cache", NULL, actx, ns_g_mctx, &view->cacheacl)); - CHECK(configure_view_acl(vconfig, config, "allow-query-cache-on", + CHECK(configure_view_acl(vconfig, config, "allow-query-cache-on", NULL, actx, ns_g_mctx, &view->cacheonacl)); if (view->cacheonacl == NULL) CHECK(configure_view_acl(NULL, ns_g_config, - "allow-query-cache-on", actx, + "allow-query-cache-on", NULL, actx, ns_g_mctx, &view->cacheonacl)); if (strcmp(view->name, "_bind") != 0) { CHECK(configure_view_acl(vconfig, config, "allow-recursion", - actx, ns_g_mctx, + NULL, actx, ns_g_mctx, &view->recursionacl)); CHECK(configure_view_acl(vconfig, config, "allow-recursion-on", - actx, ns_g_mctx, + NULL, actx, ns_g_mctx, &view->recursiononacl)); } @@ -1643,8 +2488,14 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, */ if (view->cacheacl == NULL && view->recursionacl != NULL) dns_acl_attach(view->recursionacl, &view->cacheacl); + /* + * XXXEACH: This call to configure_view_acl() is redundant. We + * are leaving it as it is because we are making a minimal change + * for a patch release. In the future this should be changed to + * dns_acl_attach(view->queryacl, &view->cacheacl). + */ if (view->cacheacl == NULL && view->recursion) - CHECK(configure_view_acl(vconfig, config, "allow-query", + CHECK(configure_view_acl(vconfig, config, "allow-query", NULL, actx, ns_g_mctx, &view->cacheacl)); if (view->recursion && view->recursionacl == NULL && view->cacheacl != NULL) @@ -1656,24 +2507,44 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, */ if (view->recursionacl == NULL && view->recursion) CHECK(configure_view_acl(NULL, ns_g_config, - "allow-recursion", + "allow-recursion", NULL, actx, ns_g_mctx, &view->recursionacl)); if (view->recursiononacl == NULL && view->recursion) CHECK(configure_view_acl(NULL, ns_g_config, - "allow-recursion-on", + "allow-recursion-on", NULL, actx, ns_g_mctx, &view->recursiononacl)); if (view->cacheacl == NULL) { if (view->recursion) CHECK(configure_view_acl(NULL, ns_g_config, - "allow-query-cache", actx, - ns_g_mctx, &view->cacheacl)); + "allow-query-cache", NULL, + actx, ns_g_mctx, + &view->cacheacl)); else - CHECK(dns_acl_none(ns_g_mctx, &view->cacheacl)); + CHECK(dns_acl_none(mctx, &view->cacheacl)); } /* + * Filter setting on addresses in the answer section. + */ + CHECK(configure_view_acl(vconfig, config, "deny-answer-addresses", + "acl", actx, ns_g_mctx, &view->denyansweracl)); + CHECK(configure_view_nametable(vconfig, config, "deny-answer-addresses", + "except-from", ns_g_mctx, + &view->answeracl_exclude)); + + /* + * Filter setting on names (CNAME/DNAME targets) in the answer section. + */ + CHECK(configure_view_nametable(vconfig, config, "deny-answer-aliases", + "name", ns_g_mctx, + &view->denyanswernames)); + CHECK(configure_view_nametable(vconfig, config, "deny-answer-aliases", + "except-from", ns_g_mctx, + &view->answernames_exclude)); + + /* * Configure sortlist, if set */ CHECK(configure_view_sortlist(vconfig, config, actx, ns_g_mctx, @@ -1686,19 +2557,19 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, */ if (view->notifyacl == NULL) CHECK(configure_view_acl(NULL, ns_g_config, - "allow-notify", actx, + "allow-notify", NULL, actx, ns_g_mctx, &view->notifyacl)); if (view->transferacl == NULL) CHECK(configure_view_acl(NULL, ns_g_config, - "allow-transfer", actx, + "allow-transfer", NULL, actx, ns_g_mctx, &view->transferacl)); if (view->updateacl == NULL) CHECK(configure_view_acl(NULL, ns_g_config, - "allow-update", actx, + "allow-update", NULL, actx, ns_g_mctx, &view->updateacl)); if (view->upfwdacl == NULL) CHECK(configure_view_acl(NULL, ns_g_config, - "allow-update-forwarding", actx, + "allow-update-forwarding", NULL, actx, ns_g_mctx, &view->upfwdacl)); obj = NULL; @@ -1728,13 +2599,47 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, cfg_obj_asuint32(obj), max_clients_per_query); +#ifdef ALLOW_FILTER_AAAA_ON_V4 + obj = NULL; + result = ns_config_get(maps, "filter-aaaa-on-v4", &obj); + INSIST(result == ISC_R_SUCCESS); + if (cfg_obj_isboolean(obj)) { + if (cfg_obj_asboolean(obj)) + view->v4_aaaa = dns_v4_aaaa_filter; + else + view->v4_aaaa = dns_v4_aaaa_ok; + } else { + const char *v4_aaaastr = cfg_obj_asstring(obj); + if (strcasecmp(v4_aaaastr, "break-dnssec") == 0) + view->v4_aaaa = dns_v4_aaaa_break_dnssec; + else + INSIST(0); + } + CHECK(configure_view_acl(vconfig, config, "filter-aaaa", NULL, + actx, ns_g_mctx, &view->v4_aaaa_acl)); +#endif + obj = NULL; result = ns_config_get(maps, "dnssec-enable", &obj); INSIST(result == ISC_R_SUCCESS); view->enablednssec = cfg_obj_asboolean(obj); obj = NULL; - result = ns_config_get(maps, "dnssec-lookaside", &obj); + result = ns_config_get(optionmaps, "dnssec-lookaside", &obj); + if (result == ISC_R_SUCCESS) { + /* If set to "auto", use the version from the defaults */ + const cfg_obj_t *dlvobj; + dlvobj = cfg_listelt_value(cfg_list_first(obj)); + if (!strcmp(cfg_obj_asstring(cfg_tuple_get(dlvobj, "domain")), + "auto") && + cfg_obj_isvoid(cfg_tuple_get(dlvobj, "trust-anchor"))) { + auto_dlv = ISC_TRUE; + obj = NULL; + result = cfg_map_get(ns_g_defaults, + "dnssec-lookaside", &obj); + } + } + if (result == ISC_R_SUCCESS) { for (element = cfg_list_first(obj); element != NULL; @@ -1745,31 +2650,13 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, dns_name_t *dlv; obj = cfg_listelt_value(element); -#if 0 - dns_fixedname_t fixed; - dns_name_t *name; - - /* - * When we support multiple dnssec-lookaside - * entries this is how to find the domain to be - * checked. XXXMPA - */ - dns_fixedname_init(&fixed); - name = dns_fixedname_name(&fixed); - str = cfg_obj_asstring(cfg_tuple_get(obj, - "domain")); - isc_buffer_init(&b, str, strlen(str)); - isc_buffer_add(&b, strlen(str)); - CHECK(dns_name_fromtext(name, &b, dns_rootname, - ISC_TRUE, NULL)); -#endif str = cfg_obj_asstring(cfg_tuple_get(obj, "trust-anchor")); isc_buffer_init(&b, str, strlen(str)); isc_buffer_add(&b, strlen(str)); dlv = dns_fixedname_name(&view->dlv_fixed); CHECK(dns_name_fromtext(dlv, &b, dns_rootname, - ISC_TRUE, NULL)); + DNS_NAME_DOWNCASE, NULL)); view->dlv = dns_fixedname_name(&view->dlv_fixed); } } else @@ -1779,8 +2666,8 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, * For now, there is only one kind of trusted keys, the * "security roots". */ - CHECK(configure_view_dnsseckeys(vconfig, config, mctx, - &view->secroots)); + CHECK(configure_view_dnsseckeys(view, vconfig, config, bindkeys, + auto_dlv, auto_root, mctx)); dns_resolver_resetmustbesecure(view->resolver); obj = NULL; result = ns_config_get(maps, "dnssec-must-be-secure", &obj); @@ -1821,7 +2708,7 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, isc_buffer_init(&b, str, strlen(str)); isc_buffer_add(&b, strlen(str)); CHECK(dns_name_fromtext(name, &b, dns_rootname, - ISC_FALSE, NULL)); + 0, NULL)); CHECK(dns_view_excludedelegationonly(view, name)); } @@ -1874,8 +2761,8 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, str = cfg_obj_asstring(obj); isc_buffer_init(&buffer, str, strlen(str)); isc_buffer_add(&buffer, strlen(str)); - CHECK(dns_name_fromtext(name, &buffer, dns_rootname, - ISC_FALSE, NULL)); + CHECK(dns_name_fromtext(name, &buffer, dns_rootname, 0, + NULL)); isc_buffer_init(&buffer, server, sizeof(server) - 1); CHECK(dns_name_totext(name, ISC_FALSE, &buffer)); server[isc_buffer_usedlength(&buffer)] = 0; @@ -1889,8 +2776,8 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, str = cfg_obj_asstring(obj); isc_buffer_init(&buffer, str, strlen(str)); isc_buffer_add(&buffer, strlen(str)); - CHECK(dns_name_fromtext(name, &buffer, dns_rootname, - ISC_FALSE, NULL)); + CHECK(dns_name_fromtext(name, &buffer, dns_rootname, 0, + NULL)); isc_buffer_init(&buffer, contact, sizeof(contact) - 1); CHECK(dns_name_totext(name, ISC_FALSE, &buffer)); contact[isc_buffer_usedlength(&buffer)] = 0; @@ -1916,8 +2803,8 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, /* * Look for zone on drop list. */ - CHECK(dns_name_fromtext(name, &buffer, dns_rootname, - ISC_FALSE, NULL)); + CHECK(dns_name_fromtext(name, &buffer, dns_rootname, 0, + NULL)); if (disablelist != NULL && on_disable_list(disablelist, name)) continue; @@ -2012,9 +2899,40 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, } } + /* + * Make the list of response policy zone names for views that + * are used for real lookups and so care about hints. + */ + zonelist = NULL; + if (view->rdclass == dns_rdataclass_in && need_hints) { + obj = NULL; + result = ns_config_get(maps, "response-policy", &obj); + if (result == ISC_R_SUCCESS) + cfg_map_get(obj, "zone", &zonelist); + } + if (zonelist != NULL) { + + for (element = cfg_list_first(zonelist); + element != NULL; + element = cfg_list_next(element)) { + result = configure_rpz(view, element); + if (result != ISC_R_SUCCESS) + goto cleanup; + dns_rpz_set_need(ISC_TRUE); + } + } + result = ISC_R_SUCCESS; cleanup: + if (clients != NULL) + dns_acl_detach(&clients); + if (mapped != NULL) + dns_acl_detach(&mapped); + if (excluded != NULL) + dns_acl_detach(&excluded); + if (ring != NULL) + dns_tsigkeyring_detach(&ring); if (zone != NULL) dns_zone_detach(&zone); if (dispatch4 != NULL) @@ -2033,6 +2951,12 @@ configure_view(dns_view_t *view, const cfg_obj_t *config, if (cache != NULL) dns_cache_detach(&cache); + if (newzones_parser != NULL) { + if (nzfconf != NULL) + cfg_obj_destroy(newzones_parser, &nzfconf); + cfg_parser_destroy(&newzones_parser); + } + return (result); } @@ -2105,8 +3029,8 @@ configure_alternates(const cfg_obj_t *config, dns_view_t *view, isc_buffer_add(&buffer, strlen(str)); dns_fixedname_init(&fixed); name = dns_fixedname_name(&fixed); - CHECK(dns_name_fromtext(name, &buffer, dns_rootname, - ISC_FALSE, NULL)); + CHECK(dns_name_fromtext(name, &buffer, dns_rootname, 0, + NULL)); portobj = cfg_tuple_get(alternate, "port"); if (cfg_obj_isuint32(portobj)) { @@ -2286,7 +3210,7 @@ create_view(const cfg_obj_t *vconfig, dns_viewlist_t *viewlist, static isc_result_t configure_zone(const cfg_obj_t *config, const cfg_obj_t *zconfig, const cfg_obj_t *vconfig, isc_mem_t *mctx, dns_view_t *view, - cfg_aclconfctx_t *aclconf) + cfg_aclconfctx_t *aclconf, isc_boolean_t added) { dns_view_t *pview = NULL; /* Production view */ dns_zone_t *zone = NULL; /* New or reused zone */ @@ -2319,7 +3243,7 @@ configure_zone(const cfg_obj_t *config, const cfg_obj_t *zconfig, isc_buffer_add(&buffer, strlen(zname)); dns_fixedname_init(&fixorigin); CHECK(dns_name_fromtext(dns_fixedname_name(&fixorigin), - &buffer, dns_rootname, ISC_FALSE, NULL)); + &buffer, dns_rootname, 0, NULL)); origin = dns_fixedname_name(&fixorigin); CHECK(ns_config_getclass(cfg_tuple_get(zconfig, "class"), @@ -2349,7 +3273,7 @@ configure_zone(const cfg_obj_t *config, const cfg_obj_t *zconfig, ztypestr = cfg_obj_asstring(typeobj); /* - * "hints zones" aren't zones. If we've got one, + * "hints zones" aren't zones. If we've got one, * configure it and return. */ if (strcasecmp(ztypestr, "hint") == 0) { @@ -2500,6 +3424,11 @@ configure_zone(const cfg_obj_t *config, const cfg_obj_t *zconfig, } /* + * Mark whether the zone was originally added at runtime or not + */ + dns_zone_setadded(zone, added); + + /* * Configure the zone. */ CHECK(ns_zone_configure(config, vconfig, zconfig, aclconf, zone)); @@ -2519,6 +3448,95 @@ configure_zone(const cfg_obj_t *config, const cfg_obj_t *zconfig, } /* + * Configure built-in zone for storing managed-key data. + */ + +#define KEYZONE "managed-keys.bind" +#define MKEYS ".mkeys" + +static isc_result_t +add_keydata_zone(dns_view_t *view, const char *directory, isc_mem_t *mctx) { + isc_result_t result; + dns_view_t *pview = NULL; + dns_zone_t *zone = NULL; + dns_acl_t *none = NULL; + char filename[PATH_MAX]; + char buffer[ISC_SHA256_DIGESTSTRINGLENGTH + sizeof(MKEYS)]; + int n; + + REQUIRE(view != NULL); + + /* See if we can re-use an existing keydata zone. */ + result = dns_viewlist_find(&ns_g_server->viewlist, + view->name, view->rdclass, + &pview); + if (result != ISC_R_NOTFOUND && + result != ISC_R_SUCCESS) + return (result); + + if (pview != NULL && pview->managed_keys != NULL) { + dns_zone_attach(pview->managed_keys, &view->managed_keys); + dns_zone_setview(pview->managed_keys, view); + dns_view_detach(&pview); + return (ISC_R_SUCCESS); + } + + /* No existing keydata zone was found; create one */ + CHECK(dns_zone_create(&zone, mctx)); + CHECK(dns_zone_setorigin(zone, dns_rootname)); + + isc_sha256_data((void *)view->name, strlen(view->name), buffer); + strcat(buffer, MKEYS); + n = snprintf(filename, sizeof(filename), "%s%s%s", + directory ? directory : "", directory ? "/" : "", + strcmp(view->name, "_default") == 0 ? KEYZONE : buffer); + if (n < 0 || (size_t)n >= sizeof(filename)) { + result = (n < 0) ? ISC_R_FAILURE : ISC_R_NOSPACE; + goto cleanup; + } + CHECK(dns_zone_setfile(zone, filename)); + + dns_zone_setview(zone, view); + dns_zone_settype(zone, dns_zone_key); + dns_zone_setclass(zone, view->rdclass); + + CHECK(dns_zonemgr_managezone(ns_g_server->zonemgr, zone)); + + if (view->acache != NULL) + dns_zone_setacache(zone, view->acache); + + CHECK(dns_acl_none(mctx, &none)); + dns_zone_setqueryacl(zone, none); + dns_zone_setqueryonacl(zone, none); + dns_acl_detach(&none); + + dns_zone_setdialup(zone, dns_dialuptype_no); + dns_zone_setnotifytype(zone, dns_notifytype_no); + dns_zone_setoption(zone, DNS_ZONEOPT_NOCHECKNS, ISC_TRUE); + dns_zone_setjournalsize(zone, 0); + + dns_zone_setstats(zone, ns_g_server->zonestats); + CHECK(setquerystats(zone, mctx, ISC_FALSE)); + + if (view->managed_keys != NULL) + dns_zone_detach(&view->managed_keys); + dns_zone_attach(zone, &view->managed_keys); + + isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, + NS_LOGMODULE_SERVER, ISC_LOG_INFO, + "set up managed keys zone for view %s, file '%s'", + view->name, filename); + +cleanup: + if (zone != NULL) + dns_zone_detach(&zone); + if (none != NULL) + dns_acl_detach(&none); + + return (result); +} + +/* * Configure a single server quota. */ static void @@ -2914,13 +3932,226 @@ removed(dns_zone_t *zone, void *uap) { return (ISC_R_SUCCESS); } +static void +cleanup_session_key(ns_server_t *server, isc_mem_t *mctx) { + if (server->session_keyfile != NULL) { + isc_file_remove(server->session_keyfile); + isc_mem_free(mctx, server->session_keyfile); + server->session_keyfile = NULL; + } + + if (server->session_keyname != NULL) { + if (dns_name_dynamic(server->session_keyname)) + dns_name_free(server->session_keyname, mctx); + isc_mem_put(mctx, server->session_keyname, sizeof(dns_name_t)); + server->session_keyname = NULL; + } + + if (server->sessionkey != NULL) + dns_tsigkey_detach(&server->sessionkey); + + server->session_keyalg = DST_ALG_UNKNOWN; + server->session_keybits = 0; +} + +static isc_result_t +generate_session_key(const char *filename, const char *keynamestr, + dns_name_t *keyname, const char *algstr, + dns_name_t *algname, unsigned int algtype, + isc_uint16_t bits, isc_mem_t *mctx, + dns_tsigkey_t **tsigkeyp) +{ + isc_result_t result = ISC_R_SUCCESS; + dst_key_t *key = NULL; + isc_buffer_t key_txtbuffer; + isc_buffer_t key_rawbuffer; + char key_txtsecret[256]; + char key_rawsecret[64]; + isc_region_t key_rawregion; + isc_stdtime_t now; + dns_tsigkey_t *tsigkey = NULL; + FILE *fp = NULL; + + isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, + NS_LOGMODULE_SERVER, ISC_LOG_INFO, + "generating session key for dynamic DNS"); + + /* generate key */ + result = dst_key_generate(keyname, algtype, bits, 1, 0, + DNS_KEYPROTO_ANY, dns_rdataclass_in, + mctx, &key); + if (result != ISC_R_SUCCESS) + return (result); + + /* + * Dump the key to the buffer for later use. Should be done before + * we transfer the ownership of key to tsigkey. + */ + isc_buffer_init(&key_rawbuffer, &key_rawsecret, sizeof(key_rawsecret)); + CHECK(dst_key_tobuffer(key, &key_rawbuffer)); + + isc_buffer_usedregion(&key_rawbuffer, &key_rawregion); + isc_buffer_init(&key_txtbuffer, &key_txtsecret, sizeof(key_txtsecret)); + CHECK(isc_base64_totext(&key_rawregion, -1, "", &key_txtbuffer)); + + /* Store the key in tsigkey. */ + isc_stdtime_get(&now); + CHECK(dns_tsigkey_createfromkey(dst_key_name(key), algname, key, + ISC_FALSE, NULL, now, now, mctx, NULL, + &tsigkey)); + + /* Dump the key to the key file. */ + fp = ns_os_openfile(filename, S_IRUSR|S_IWUSR, ISC_TRUE); + if (fp == NULL) { + isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, + NS_LOGMODULE_SERVER, ISC_LOG_ERROR, + "could not create %s", filename); + result = ISC_R_NOPERM; + goto cleanup; + } + + fprintf(fp, "key \"%s\" {\n" + "\talgorithm %s;\n" + "\tsecret \"%.*s\";\n};\n", keynamestr, algstr, + (int) isc_buffer_usedlength(&key_txtbuffer), + (char*) isc_buffer_base(&key_txtbuffer)); + + RUNTIME_CHECK(isc_stdio_flush(fp) == ISC_R_SUCCESS); + RUNTIME_CHECK(isc_stdio_close(fp) == ISC_R_SUCCESS); + + dst_key_free(&key); + + *tsigkeyp = tsigkey; + + return (ISC_R_SUCCESS); + + cleanup: + isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, + NS_LOGMODULE_SERVER, ISC_LOG_ERROR, + "failed to generate session key " + "for dynamic DNS: %s", isc_result_totext(result)); + if (tsigkey != NULL) + dns_tsigkey_detach(&tsigkey); + if (key != NULL) + dst_key_free(&key); + + return (result); +} + +static isc_result_t +configure_session_key(const cfg_obj_t **maps, ns_server_t *server, + isc_mem_t *mctx) +{ + const char *keyfile, *keynamestr, *algstr; + unsigned int algtype; + dns_fixedname_t fname; + dns_name_t *keyname, *algname; + isc_buffer_t buffer; + isc_uint16_t bits; + const cfg_obj_t *obj; + isc_boolean_t need_deleteold = ISC_FALSE; + isc_boolean_t need_createnew = ISC_FALSE; + isc_result_t result; + + obj = NULL; + result = ns_config_get(maps, "session-keyfile", &obj); + if (result == ISC_R_SUCCESS) { + if (cfg_obj_isvoid(obj)) + keyfile = NULL; /* disable it */ + else + keyfile = cfg_obj_asstring(obj); + } else + keyfile = ns_g_defaultsessionkeyfile; + + obj = NULL; + result = ns_config_get(maps, "session-keyname", &obj); + INSIST(result == ISC_R_SUCCESS); + keynamestr = cfg_obj_asstring(obj); + dns_fixedname_init(&fname); + isc_buffer_init(&buffer, keynamestr, strlen(keynamestr)); + isc_buffer_add(&buffer, strlen(keynamestr)); + keyname = dns_fixedname_name(&fname); + result = dns_name_fromtext(keyname, &buffer, dns_rootname, 0, NULL); + if (result != ISC_R_SUCCESS) + return (result); + + obj = NULL; + result = ns_config_get(maps, "session-keyalg", &obj); + INSIST(result == ISC_R_SUCCESS); + algstr = cfg_obj_asstring(obj); + algname = NULL; + result = ns_config_getkeyalgorithm2(algstr, &algname, &algtype, &bits); + if (result != ISC_R_SUCCESS) { + const char *s = " (keeping current key)"; + + cfg_obj_log(obj, ns_g_lctx, ISC_LOG_ERROR, "session-keyalg: " + "unsupported or unknown algorithm '%s'%s", + algstr, + server->session_keyfile != NULL ? s : ""); + return (result); + } + + /* See if we need to (re)generate a new key. */ + if (keyfile == NULL) { + if (server->session_keyfile != NULL) + need_deleteold = ISC_TRUE; + } else if (server->session_keyfile == NULL) + need_createnew = ISC_TRUE; + else if (strcmp(keyfile, server->session_keyfile) != 0 || + !dns_name_equal(server->session_keyname, keyname) || + server->session_keyalg != algtype || + server->session_keybits != bits) { + need_deleteold = ISC_TRUE; + need_createnew = ISC_TRUE; + } + + if (need_deleteold) { + INSIST(server->session_keyfile != NULL); + INSIST(server->session_keyname != NULL); + INSIST(server->sessionkey != NULL); + + cleanup_session_key(server, mctx); + } + + if (need_createnew) { + INSIST(server->sessionkey == NULL); + INSIST(server->session_keyfile == NULL); + INSIST(server->session_keyname == NULL); + INSIST(server->session_keyalg == DST_ALG_UNKNOWN); + INSIST(server->session_keybits == 0); + + server->session_keyname = isc_mem_get(mctx, sizeof(dns_name_t)); + if (server->session_keyname == NULL) + goto cleanup; + dns_name_init(server->session_keyname, NULL); + CHECK(dns_name_dup(keyname, mctx, server->session_keyname)); + + server->session_keyfile = isc_mem_strdup(mctx, keyfile); + if (server->session_keyfile == NULL) + goto cleanup; + + server->session_keyalg = algtype; + server->session_keybits = bits; + + CHECK(generate_session_key(keyfile, keynamestr, keyname, algstr, + algname, algtype, bits, mctx, + &server->sessionkey)); + } + + return (result); + + cleanup: + cleanup_session_key(server, mctx); + return (result); +} + static isc_result_t load_configuration(const char *filename, ns_server_t *server, isc_boolean_t first_time) { cfg_aclconfctx_t aclconfctx; - cfg_obj_t *config; - cfg_parser_t *parser = NULL; + cfg_obj_t *config = NULL, *bindkeys = NULL; + cfg_parser_t *conf_parser = NULL, *bindkeys_parser = NULL; const cfg_listelt_t *element; const cfg_obj_t *builtin_views; const cfg_obj_t *maps[3]; @@ -2931,7 +4162,7 @@ load_configuration(const char *filename, ns_server_t *server, dns_view_t *view = NULL; dns_view_t *view_next; dns_viewlist_t tmpviewlist; - dns_viewlist_t viewlist; + dns_viewlist_t viewlist, builtin_viewlist; in_port_t listen_port, udpport_low, udpport_high; int i; isc_interval_t interval; @@ -2943,10 +4174,14 @@ load_configuration(const char *filename, ns_server_t *server, isc_uint32_t interface_interval; isc_uint32_t reserved; isc_uint32_t udpsize; + ns_cachelist_t cachelist, tmpcachelist; unsigned int maxsocks; + ns_cache_t *nsc; cfg_aclconfctx_init(&aclconfctx); ISC_LIST_INIT(viewlist); + ISC_LIST_INIT(builtin_viewlist); + ISC_LIST_INIT(cachelist); /* Ensure exclusive access to configuration data. */ result = isc_task_beginexclusive(server->task); @@ -2958,8 +4193,7 @@ load_configuration(const char *filename, ns_server_t *server, if (first_time) { CHECK(ns_config_parsedefaults(ns_g_parser, &ns_g_config)); RUNTIME_CHECK(cfg_map_get(ns_g_config, "options", - &ns_g_defaults) == - ISC_R_SUCCESS); + &ns_g_defaults) == ISC_R_SUCCESS); } /* @@ -2976,10 +4210,10 @@ load_configuration(const char *filename, ns_server_t *server, NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_SERVER, ISC_LOG_INFO, "loading configuration from '%s'", filename); - CHECK(cfg_parser_create(ns_g_mctx, ns_g_lctx, &parser)); - cfg_parser_setcallback(parser, directory_callback, NULL); - result = cfg_parse_file(parser, filename, &cfg_type_namedconf, - &config); + CHECK(cfg_parser_create(ns_g_mctx, ns_g_lctx, &conf_parser)); + cfg_parser_setcallback(conf_parser, directory_callback, NULL); + result = cfg_parse_file(conf_parser, filename, + &cfg_type_namedconf, &config); } /* @@ -2994,10 +4228,10 @@ load_configuration(const char *filename, ns_server_t *server, NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_SERVER, ISC_LOG_INFO, "loading configuration from '%s'", lwresd_g_resolvconffile); - if (parser != NULL) - cfg_parser_destroy(&parser); - CHECK(cfg_parser_create(ns_g_mctx, ns_g_lctx, &parser)); - result = ns_lwresd_parseeresolvconf(ns_g_mctx, parser, + if (conf_parser != NULL) + cfg_parser_destroy(&conf_parser); + CHECK(cfg_parser_create(ns_g_mctx, ns_g_lctx, &conf_parser)); + result = ns_lwresd_parseeresolvconf(ns_g_mctx, conf_parser, &config); } CHECK(result); @@ -3019,13 +4253,38 @@ load_configuration(const char *filename, ns_server_t *server, maps[i++] = NULL; /* + * If bind.keys exists, load it. If "dnssec-lookaside auto" + * is turned on, the keys found there will be used as default + * trust anchors. + */ + obj = NULL; + result = ns_config_get(maps, "bindkeys-file", &obj); + INSIST(result == ISC_R_SUCCESS); + CHECKM(setstring(server, &server->bindkeysfile, + cfg_obj_asstring(obj)), "strdup"); + + if (access(server->bindkeysfile, R_OK) == 0) { + isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, + NS_LOGMODULE_SERVER, ISC_LOG_INFO, + "reading built-in trusted " + "keys from file '%s'", server->bindkeysfile); + + CHECK(cfg_parser_create(ns_g_mctx, ns_g_lctx, + &bindkeys_parser)); + + result = cfg_parse_file(bindkeys_parser, server->bindkeysfile, + &cfg_type_bindkeys, &bindkeys); + CHECK(result); + } + + /* * Set process limits, which (usually) needs to be done as root. */ set_limits(maps); /* * Check if max number of open sockets that the system allows is - * sufficiently large. Failing this condition is not necessarily fatal, + * sufficiently large. Failing this condition is not necessarily fatal, * but may cause subsequent runtime failures for a busy recursive * server. */ @@ -3078,7 +4337,7 @@ load_configuration(const char *filename, ns_server_t *server, else isc_quota_soft(&server->recursionquota, 0); - CHECK(configure_view_acl(NULL, config, "blackhole", &aclconfctx, + CHECK(configure_view_acl(NULL, config, "blackhole", NULL, &aclconfctx, ns_g_mctx, &server->blackholeacl)); if (server->blackholeacl != NULL) dns_dispatchmgr_setblackhole(ns_g_dispatchmgr, @@ -3318,6 +4577,31 @@ load_configuration(const char *filename, ns_server_t *server, &interval, ISC_FALSE)); /* + * Write the PID file. + */ + obj = NULL; + if (ns_config_get(maps, "pid-file", &obj) == ISC_R_SUCCESS) + if (cfg_obj_isvoid(obj)) + ns_os_writepidfile(NULL, first_time); + else + ns_os_writepidfile(cfg_obj_asstring(obj), first_time); + else if (ns_g_lwresdonly) + ns_os_writepidfile(lwresd_g_defaultpidfile, first_time); + else + ns_os_writepidfile(ns_g_defaultpidfile, first_time); + + /* + * Configure the server-wide session key. This must be done before + * configure views because zone configuration may need to know + * session-keyname. + * + * Failure of session key generation isn't fatal at this time; if it + * turns out that a session key is really needed but doesn't exist, + * we'll treat it as a fatal error then. + */ + (void)configure_session_key(maps, server, ns_g_mctx); + + /* * Configure and freeze all explicit views. Explicit * views that have zones were already created at parsing * time, but views with no zones must be created here. @@ -3328,12 +4612,13 @@ load_configuration(const char *filename, ns_server_t *server, element != NULL; element = cfg_list_next(element)) { - const cfg_obj_t *vconfig = cfg_listelt_value(element); + cfg_obj_t *vconfig = cfg_listelt_value(element); view = NULL; CHECK(create_view(vconfig, &viewlist, &view)); INSIST(view != NULL); - CHECK(configure_view(view, config, vconfig, + CHECK(configure_view(view, conf_parser, config, vconfig, + &cachelist, bindkeys, ns_g_mctx, &aclconfctx, ISC_TRUE)); dns_view_freeze(view); dns_view_detach(&view); @@ -3351,15 +4636,15 @@ load_configuration(const char *filename, ns_server_t *server, * In either case, we need to configure and freeze it. */ CHECK(create_view(NULL, &viewlist, &view)); - CHECK(configure_view(view, config, NULL, ns_g_mctx, - &aclconfctx, ISC_TRUE)); + CHECK(configure_view(view, conf_parser, config, NULL, + &cachelist, bindkeys, + ns_g_mctx, &aclconfctx, ISC_TRUE)); dns_view_freeze(view); dns_view_detach(&view); } /* - * Create (or recreate) the built-in views. Currently - * there is only one, the _bind view. + * Create (or recreate) the built-in views. */ builtin_views = NULL; RUNTIME_CHECK(cfg_map_get(ns_g_config, "view", @@ -3368,25 +4653,38 @@ load_configuration(const char *filename, ns_server_t *server, element != NULL; element = cfg_list_next(element)) { - const cfg_obj_t *vconfig = cfg_listelt_value(element); - CHECK(create_view(vconfig, &viewlist, &view)); - CHECK(configure_view(view, config, vconfig, ns_g_mctx, - &aclconfctx, ISC_FALSE)); + cfg_obj_t *vconfig = cfg_listelt_value(element); + + CHECK(create_view(vconfig, &builtin_viewlist, &view)); + CHECK(configure_view(view, conf_parser, config, vconfig, + &cachelist, bindkeys, + ns_g_mctx, &aclconfctx, ISC_FALSE)); dns_view_freeze(view); dns_view_detach(&view); view = NULL; } - /* - * Swap our new view list with the production one. - */ + /* Now combine the two viewlists into one */ + ISC_LIST_APPENDLIST(viewlist, builtin_viewlist, link); + + /* Swap our new view list with the production one. */ tmpviewlist = server->viewlist; server->viewlist = viewlist; viewlist = tmpviewlist; - /* - * Load the TKEY information from the configuration. - */ + /* Make the view list available to each of the views */ + view = ISC_LIST_HEAD(server->viewlist); + while (view != NULL) { + view->viewlist = &server->viewlist; + view = ISC_LIST_NEXT(view, link); + } + + /* Swap our new cache list with the production one. */ + tmpcachelist = server->cachelist; + server->cachelist = cachelist; + cachelist = tmpcachelist; + + /* Load the TKEY information from the configuration. */ if (options != NULL) { dns_tkeyctx_t *t = NULL; CHECKM(ns_tkeyctx_fromconfig(options, ns_g_mctx, ns_g_entropy, @@ -3551,16 +4849,6 @@ load_configuration(const char *filename, ns_server_t *server, } } - obj = NULL; - if (ns_config_get(maps, "pid-file", &obj) == ISC_R_SUCCESS) - if (cfg_obj_isvoid(obj)) - ns_os_writepidfile(NULL, first_time); - else - ns_os_writepidfile(cfg_obj_asstring(obj), first_time); - else if (ns_g_lwresdonly) - ns_os_writepidfile(lwresd_g_defaultpidfile, first_time); - else - ns_os_writepidfile(ns_g_defaultpidfile, first_time); obj = NULL; if (options != NULL && @@ -3591,6 +4879,12 @@ load_configuration(const char *filename, ns_server_t *server, "strdup"); obj = NULL; + result = ns_config_get(maps, "secroots-file", &obj); + INSIST(result == ISC_R_SUCCESS); + CHECKM(setstring(server, &server->secrootsfile, cfg_obj_asstring(obj)), + "strdup"); + + obj = NULL; result = ns_config_get(maps, "recursing-file", &obj); INSIST(result == ISC_R_SUCCESS); CHECKM(setstring(server, &server->recfile, cfg_obj_asstring(obj)), @@ -3647,12 +4941,18 @@ load_configuration(const char *filename, ns_server_t *server, if (v6portset != NULL) isc_portset_destroy(ns_g_mctx, &v6portset); - cfg_aclconfctx_destroy(&aclconfctx); + cfg_aclconfctx_clear(&aclconfctx); - if (parser != NULL) { + if (conf_parser != NULL) { if (config != NULL) - cfg_obj_destroy(parser, &config); - cfg_parser_destroy(&parser); + cfg_obj_destroy(conf_parser, &config); + cfg_parser_destroy(&conf_parser); + } + + if (bindkeys_parser != NULL) { + if (bindkeys != NULL) + cfg_obj_destroy(bindkeys_parser, &bindkeys); + cfg_parser_destroy(&bindkeys_parser); } if (view != NULL) @@ -3675,6 +4975,13 @@ load_configuration(const char *filename, ns_server_t *server, dns_view_detach(&view); } + /* Same cleanup for cache list. */ + while ((nsc = ISC_LIST_HEAD(cachelist)) != NULL) { + ISC_LIST_UNLINK(cachelist, nsc, link); + dns_cache_detach(&nsc->cache); + isc_mem_put(server->mctx, nsc, sizeof(*nsc)); + } + /* * Adjust the listening interfaces in accordance with the source * addresses specified in views and zones. @@ -3708,6 +5015,8 @@ load_zones(ns_server_t *server, isc_boolean_t stop) { view = ISC_LIST_NEXT(view, link)) { CHECK(dns_view_load(view, stop)); + if (view->managed_keys != NULL) + CHECK(dns_zone_load(view->managed_keys)); } /* @@ -3737,11 +5046,14 @@ load_new_zones(ns_server_t *server, isc_boolean_t stop) { view = ISC_LIST_NEXT(view, link)) { CHECK(dns_view_loadnew(view, stop)); + + /* Load managed-keys data */ + if (view->managed_keys != NULL) + CHECK(dns_zone_loadnew(view->managed_keys)); } + /* - * Force zone maintenance. Do this after loading - * so that we know when we need to force AXFR of - * slave zones whose master files are missing. + * Resume zone XFRs. */ dns_zonemgr_resumexfrs(server->zonemgr); cleanup: @@ -3820,6 +5132,7 @@ shutdown_server(isc_task_t *task, isc_event_t *event) { dns_view_t *view, *view_next; ns_server_t *server = (ns_server_t *)event->ev_arg; isc_boolean_t flush = server->flushonshutdown; + ns_cache_t *nsc; UNUSED(task); INSIST(task == server->task); @@ -3834,6 +5147,7 @@ shutdown_server(isc_task_t *task, isc_event_t *event) { ns_statschannels_shutdown(server); ns_controls_shutdown(server->controls); end_reserved_dispatches(server, ISC_TRUE); + cleanup_session_key(server, server->mctx); cfg_obj_destroy(ns_g_parser, &ns_g_config); cfg_parser_destroy(&ns_g_parser); @@ -3849,6 +5163,12 @@ shutdown_server(isc_task_t *task, isc_event_t *event) { dns_view_detach(&view); } + while ((nsc = ISC_LIST_HEAD(server->cachelist)) != NULL) { + ISC_LIST_UNLINK(server->cachelist, nsc, link); + dns_cache_detach(&nsc->cache); + isc_mem_put(server->mctx, nsc, sizeof(*nsc)); + } + isc_timer_detach(&server->interface_timer); isc_timer_detach(&server->heartbeat_timer); isc_timer_detach(&server->pps_timer); @@ -3860,6 +5180,11 @@ shutdown_server(isc_task_t *task, isc_event_t *event) { dns_zonemgr_shutdown(server->zonemgr); + if (ns_g_sessionkey != NULL) { + dns_tsigkey_detach(&ns_g_sessionkey); + dns_name_free(&ns_g_sessionkeyname, server->mctx); + } + if (server->blackholeacl != NULL) dns_acl_detach(&server->blackholeacl); @@ -3918,7 +5243,8 @@ ns_server_create(isc_mem_t *mctx, ns_server_t **serverp) { ISC_R_NOMEMORY : ISC_R_SUCCESS, "allocating reload event"); - CHECKFATAL(dst_lib_init(ns_g_mctx, ns_g_entropy, ISC_ENTROPY_GOODONLY), + CHECKFATAL(dst_lib_init2(ns_g_mctx, ns_g_entropy, + ns_g_engine, ISC_ENTROPY_GOODONLY), "initializing DST"); server->tkeyctx = NULL; @@ -3963,10 +5289,20 @@ ns_server_create(isc_mem_t *mctx, ns_server_t **serverp) { "isc_stats_create"); isc_socketmgr_setstats(ns_g_socketmgr, server->sockstats); + server->bindkeysfile = isc_mem_strdup(server->mctx, "bind.keys"); + CHECKFATAL(server->bindkeysfile == NULL ? ISC_R_NOMEMORY : + ISC_R_SUCCESS, + "isc_mem_strdup"); + server->dumpfile = isc_mem_strdup(server->mctx, "named_dump.db"); CHECKFATAL(server->dumpfile == NULL ? ISC_R_NOMEMORY : ISC_R_SUCCESS, "isc_mem_strdup"); + server->secrootsfile = isc_mem_strdup(server->mctx, "named.secroots"); + CHECKFATAL(server->secrootsfile == NULL ? ISC_R_NOMEMORY : + ISC_R_SUCCESS, + "isc_mem_strdup"); + server->recfile = isc_mem_strdup(server->mctx, "named.recursing"); CHECKFATAL(server->recfile == NULL ? ISC_R_NOMEMORY : ISC_R_SUCCESS, "isc_mem_strdup"); @@ -4008,6 +5344,14 @@ ns_server_create(isc_mem_t *mctx, ns_server_t **serverp) { ISC_LIST_INIT(server->statschannels); + ISC_LIST_INIT(server->cachelist); + + server->sessionkey = NULL; + server->session_keyfile = NULL; + server->session_keyname = NULL; + server->session_keyalg = DST_ALG_UNKNOWN; + server->session_keybits = 0; + server->magic = NS_SERVER_MAGIC; *serverp = server; } @@ -4027,7 +5371,9 @@ ns_server_destroy(ns_server_t **serverp) { isc_stats_detach(&server->sockstats); isc_mem_free(server->mctx, server->statsfile); + isc_mem_free(server->mctx, server->bindkeysfile); isc_mem_free(server->mctx, server->dumpfile); + isc_mem_free(server->mctx, server->secrootsfile); isc_mem_free(server->mctx, server->recfile); if (server->version != NULL) @@ -4047,6 +5393,7 @@ ns_server_destroy(ns_server_t **serverp) { isc_event_free(&server->reload_event); INSIST(ISC_LIST_EMPTY(server->viewlist)); + INSIST(ISC_LIST_EMPTY(server->cachelist)); dns_aclenv_destroy(&server->aclenv); @@ -4278,7 +5625,9 @@ next_token(char **stringp, const char *delim) { * set '*zonep' to NULL. */ static isc_result_t -zone_from_args(ns_server_t *server, char *args, dns_zone_t **zonep) { +zone_from_args(ns_server_t *server, char *args, dns_zone_t **zonep, + const char **zonename) +{ char *input, *ptr; const char *zonetxt; char *classtxt; @@ -4302,6 +5651,8 @@ zone_from_args(ns_server_t *server, char *args, dns_zone_t **zonep) { zonetxt = next_token(&input, " \t"); if (zonetxt == NULL) return (ISC_R_SUCCESS); + if (zonename) + *zonename = zonetxt; /* Look for the optional class name. */ classtxt = next_token(&input, " \t"); @@ -4314,7 +5665,7 @@ zone_from_args(ns_server_t *server, char *args, dns_zone_t **zonep) { isc_buffer_add(&buf, strlen(zonetxt)); dns_fixedname_init(&name); result = dns_name_fromtext(dns_fixedname_name(&name), - &buf, dns_rootname, ISC_FALSE, NULL); + &buf, dns_rootname, 0, NULL); if (result != ISC_R_SUCCESS) goto fail1; @@ -4362,7 +5713,7 @@ ns_server_retransfercommand(ns_server_t *server, char *args) { dns_zone_t *zone = NULL; dns_zonetype_t type; - result = zone_from_args(server, args, &zone); + result = zone_from_args(server, args, &zone, NULL); if (result != ISC_R_SUCCESS) return (result); if (zone == NULL) @@ -4386,7 +5737,7 @@ ns_server_reloadcommand(ns_server_t *server, char *args, isc_buffer_t *text) { dns_zonetype_t type; const char *msg = NULL; - result = zone_from_args(server, args, &zone); + result = zone_from_args(server, args, &zone, NULL); if (result != ISC_R_SUCCESS) return (result); if (zone == NULL) { @@ -4446,7 +5797,7 @@ ns_server_notifycommand(ns_server_t *server, char *args, isc_buffer_t *text) { dns_zone_t *zone = NULL; const unsigned char msg[] = "zone notify queued"; - result = zone_from_args(server, args, &zone); + result = zone_from_args(server, args, &zone, NULL); if (result != ISC_R_SUCCESS) return (result); if (zone == NULL) @@ -4471,7 +5822,7 @@ ns_server_refreshcommand(ns_server_t *server, char *args, isc_buffer_t *text) { const unsigned char msg2[] = "not a slave or stub zone"; dns_zonetype_t type; - result = zone_from_args(server, args, &zone); + result = zone_from_args(server, args, &zone, NULL); if (result != ISC_R_SUCCESS) return (result); if (zone == NULL) @@ -4710,15 +6061,23 @@ dumpdone(void *arg, isc_result_t result) { nextview: fprintf(dctx->fp, ";\n; Start view %s\n;\n", dctx->view->view->name); resume: - if (dctx->zone == NULL && dctx->cache == NULL && dctx->dumpcache) { + if (dctx->dumpcache && dns_view_iscacheshared(dctx->view->view)) { + fprintf(dctx->fp, + ";\n; Cache of view '%s' is shared as '%s'\n", + dctx->view->view->name, + dns_cache_getname(dctx->view->view->cache)); + } else if (dctx->zone == NULL && dctx->cache == NULL && + dctx->dumpcache) + { style = &dns_master_style_cache; /* start cache dump */ if (dctx->view->view->cachedb != NULL) dns_db_attach(dctx->view->view->cachedb, &dctx->cache); if (dctx->cache != NULL) { - - fprintf(dctx->fp, ";\n; Cache dump of view '%s'\n;\n", - dctx->view->view->name); + fprintf(dctx->fp, + ";\n; Cache dump of view '%s' (cache %s)\n;\n", + dctx->view->view->name, + dns_cache_getname(dctx->view->view->cache)); result = dns_master_dumptostreaminc(dctx->mctx, dctx->cache, NULL, style, dctx->fp, @@ -4880,6 +6239,68 @@ ns_server_dumpdb(ns_server_t *server, char *args) { } isc_result_t +ns_server_dumpsecroots(ns_server_t *server, char *args) { + dns_view_t *view; + dns_keytable_t *secroots = NULL; + isc_result_t result; + char *ptr; + FILE *fp = NULL; + isc_time_t now; + char tbuf[64]; + + /* Skip the command name. */ + ptr = next_token(&args, " \t"); + if (ptr == NULL) + return (ISC_R_UNEXPECTEDEND); + ptr = next_token(&args, " \t"); + + CHECKMF(isc_stdio_open(server->secrootsfile, "w", &fp), + "could not open secroots dump file", server->secrootsfile); + TIME_NOW(&now); + isc_time_formattimestamp(&now, tbuf, sizeof(tbuf)); + fprintf(fp, "%s\n", tbuf); + + nextview: + for (view = ISC_LIST_HEAD(server->viewlist); + view != NULL; + view = ISC_LIST_NEXT(view, link)) + { + if (ptr != NULL && strcmp(view->name, ptr) != 0) + continue; + if (secroots != NULL) + dns_keytable_detach(&secroots); + result = dns_view_getsecroots(view, &secroots); + if (result == ISC_R_NOTFOUND) { + result = ISC_R_SUCCESS; + continue; + } + fprintf(fp, "\n Start view %s\n\n", view->name); + CHECK(dns_keytable_dump(secroots, fp)); + } + if (ptr != NULL) { + ptr = next_token(&args, " \t"); + if (ptr != NULL) + goto nextview; + } + + cleanup: + if (secroots != NULL) + dns_keytable_detach(&secroots); + if (fp != NULL) + (void)isc_stdio_close(fp); + if (result == ISC_R_SUCCESS) + isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, + NS_LOGMODULE_SERVER, ISC_LOG_INFO, + "dumpsecroots complete"); + else + isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, + NS_LOGMODULE_SERVER, ISC_LOG_ERROR, + "dumpsecroots failed: %s", + dns_result_totext(result)); + return (result); +} + +isc_result_t ns_server_dumprecursing(ns_server_t *server) { FILE *fp = NULL; isc_result_t result; @@ -4997,6 +6418,7 @@ ns_server_flushcache(ns_server_t *server, char *args) { isc_boolean_t flushed; isc_boolean_t found; isc_result_t result; + ns_cache_t *nsc; /* Skip the command name. */ ptr = next_token(&args, " \t"); @@ -5010,22 +6432,96 @@ ns_server_flushcache(ns_server_t *server, char *args) { RUNTIME_CHECK(result == ISC_R_SUCCESS); flushed = ISC_TRUE; found = ISC_FALSE; - for (view = ISC_LIST_HEAD(server->viewlist); - view != NULL; - view = ISC_LIST_NEXT(view, link)) - { - if (viewname != NULL && strcasecmp(viewname, view->name) != 0) - continue; + + /* + * Flushing a cache is tricky when caches are shared by multiple views. + * We first identify which caches should be flushed in the local cache + * list, flush these caches, and then update other views that refer to + * the flushed cache DB. + */ + if (viewname != NULL) { + /* + * Mark caches that need to be flushed. This is an O(#view^2) + * operation in the very worst case, but should be normally + * much more lightweight because only a few (most typically just + * one) views will match. + */ + for (view = ISC_LIST_HEAD(server->viewlist); + view != NULL; + view = ISC_LIST_NEXT(view, link)) + { + if (strcasecmp(viewname, view->name) != 0) + continue; + found = ISC_TRUE; + for (nsc = ISC_LIST_HEAD(server->cachelist); + nsc != NULL; + nsc = ISC_LIST_NEXT(nsc, link)) { + if (nsc->cache == view->cache) + break; + } + INSIST(nsc != NULL); + nsc->needflush = ISC_TRUE; + } + } else found = ISC_TRUE; - result = dns_view_flushcache(view); + + /* Perform flush */ + for (nsc = ISC_LIST_HEAD(server->cachelist); + nsc != NULL; + nsc = ISC_LIST_NEXT(nsc, link)) { + if (viewname != NULL && !nsc->needflush) + continue; + nsc->needflush = ISC_TRUE; + result = dns_view_flushcache2(nsc->primaryview, ISC_FALSE); if (result != ISC_R_SUCCESS) { flushed = ISC_FALSE; isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, NS_LOGMODULE_SERVER, ISC_LOG_ERROR, "flushing cache in view '%s' failed: %s", - view->name, isc_result_totext(result)); + nsc->primaryview->name, + isc_result_totext(result)); + } + } + + /* + * Fix up views that share a flushed cache: let the views update the + * cache DB they're referring to. This could also be an expensive + * operation, but should typically be marginal: the inner loop is only + * necessary for views that share a cache, and if there are many such + * views the number of shared cache should normally be small. + * A worst case is that we have n views and n/2 caches, each shared by + * two views. Then this will be a O(n^2/4) operation. + */ + for (view = ISC_LIST_HEAD(server->viewlist); + view != NULL; + view = ISC_LIST_NEXT(view, link)) + { + if (!dns_view_iscacheshared(view)) + continue; + for (nsc = ISC_LIST_HEAD(server->cachelist); + nsc != NULL; + nsc = ISC_LIST_NEXT(nsc, link)) { + if (!nsc->needflush || nsc->cache != view->cache) + continue; + result = dns_view_flushcache2(view, ISC_TRUE); + if (result != ISC_R_SUCCESS) { + flushed = ISC_FALSE; + isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, + NS_LOGMODULE_SERVER, ISC_LOG_ERROR, + "fixing cache in view '%s' " + "failed: %s", view->name, + isc_result_totext(result)); + } } } + + /* Cleanup the cache list. */ + for (nsc = ISC_LIST_HEAD(server->cachelist); + nsc != NULL; + nsc = ISC_LIST_NEXT(nsc, link)) { + nsc->needflush = ISC_FALSE; + } + if (flushed && found) { if (viewname != NULL) isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, @@ -5076,7 +6572,7 @@ ns_server_flushname(ns_server_t *server, char *args) { isc_buffer_add(&b, strlen(target)); dns_fixedname_init(&fixed); name = dns_fixedname_name(&fixed); - result = dns_name_fromtext(name, &b, dns_rootname, ISC_FALSE, NULL); + result = dns_name_fromtext(name, &b, dns_rootname, 0, NULL); if (result != ISC_R_SUCCESS) return (result); @@ -5094,6 +6590,11 @@ ns_server_flushname(ns_server_t *server, char *args) { if (viewname != NULL && strcasecmp(viewname, view->name) != 0) continue; found = ISC_TRUE; + /* + * It's a little inefficient to try flushing name for all views + * if some of the views share a single cache. But since the + * operation is lightweight we prefer simplicity here. + */ result = dns_view_flushname(view, name); if (result != ISC_R_SUCCESS) { flushed = ISC_FALSE; @@ -5408,6 +6909,46 @@ ns_server_tsiglist(ns_server_t *server, isc_buffer_t *text) { } /* + * Act on a "sign" or "loadkeys" command from the command channel. + */ +isc_result_t +ns_server_rekey(ns_server_t *server, char *args) { + isc_result_t result; + dns_zone_t *zone = NULL; + dns_zonetype_t type; + isc_uint16_t keyopts; + isc_boolean_t fullsign = ISC_FALSE; + + if (strncasecmp(args, NS_COMMAND_SIGN, strlen(NS_COMMAND_SIGN)) == 0) + fullsign = ISC_TRUE; + + result = zone_from_args(server, args, &zone, NULL); + if (result != ISC_R_SUCCESS) + return (result); + if (zone == NULL) + return (ISC_R_UNEXPECTEDEND); /* XXX: or do all zones? */ + + type = dns_zone_gettype(zone); + if (type != dns_zone_master) { + dns_zone_detach(&zone); + return (DNS_R_NOTMASTER); + } + + keyopts = dns_zone_getkeyopts(zone); + + /* "rndc loadkeys" requires "auto-dnssec maintain". */ + if ((keyopts & DNS_ZONEKEY_ALLOW) == 0) + result = ISC_R_NOPERM; + else if ((keyopts & DNS_ZONEKEY_MAINTAIN) == 0 && !fullsign) + result = ISC_R_NOPERM; + else + dns_zone_rekey(zone, fullsign); + + dns_zone_detach(&zone); + return (result); +} + +/* * Act on a "freeze" or "thaw" command from the command channel. */ isc_result_t @@ -5425,7 +6966,7 @@ ns_server_freeze(ns_server_t *server, isc_boolean_t freeze, char *args, isc_boolean_t frozen; const char *msg = NULL; - result = zone_from_args(server, args, &zone); + result = zone_from_args(server, args, &zone, NULL); if (result != ISC_R_SUCCESS) return (result); if (zone == NULL) { @@ -5451,7 +6992,7 @@ ns_server_freeze(ns_server_t *server, isc_boolean_t freeze, char *args, type = dns_zone_gettype(zone); if (type != dns_zone_master) { dns_zone_detach(&zone); - return (ISC_R_NOTFOUND); + return (DNS_R_NOTMASTER); } result = isc_task_beginexclusive(server->task); @@ -5502,8 +7043,8 @@ ns_server_freeze(ns_server_t *server, isc_boolean_t freeze, char *args, strlen(msg) + 1); view = dns_zone_getview(zone); - if (strcmp(view->name, "_bind") == 0 || - strcmp(view->name, "_default") == 0) + if (strcmp(view->name, "_default") == 0 || + strcmp(view->name, "_bind") == 0) { vname = ""; sep = ""; @@ -5543,3 +7084,376 @@ ns_smf_add_message(isc_buffer_t *text) { return (ISC_R_SUCCESS); } #endif /* HAVE_LIBSCF */ + +/* + * Act on an "addzone" command from the command channel. + */ +isc_result_t +ns_server_add_zone(ns_server_t *server, char *args) { + isc_result_t result; + isc_buffer_t argbuf; + size_t arglen; + cfg_parser_t *parser = NULL; + cfg_obj_t *config = NULL; + const cfg_obj_t *vconfig = NULL; + const cfg_obj_t *views = NULL; + const cfg_obj_t *parms = NULL; + const cfg_obj_t *obj = NULL; + const cfg_listelt_t *element; + const char *zonename; + const char *classname = NULL; + const char *argp; + const char *viewname = NULL; + dns_rdataclass_t rdclass; + dns_view_t *view = 0; + isc_buffer_t buf, *nbuf = NULL; + dns_name_t dnsname; + dns_zone_t *zone = NULL; + FILE *fp = NULL; + struct cfg_context *cfg = NULL; + + /* Try to parse the argument string */ + arglen = strlen(args); + isc_buffer_init(&argbuf, args, arglen); + isc_buffer_add(&argbuf, strlen(args)); + CHECK(cfg_parser_create(server->mctx, ns_g_lctx, &parser)); + CHECK(cfg_parse_buffer(parser, &argbuf, &cfg_type_addzoneconf, + &config)); + CHECK(cfg_map_get(config, "addzone", &parms)); + + zonename = cfg_obj_asstring(cfg_tuple_get(parms, "name")); + isc_buffer_init(&buf, zonename, strlen(zonename)); + isc_buffer_add(&buf, strlen(zonename)); + dns_name_init(&dnsname, NULL); + isc_buffer_allocate(server->mctx, &nbuf, 256); + dns_name_setbuffer(&dnsname, nbuf); + CHECK(dns_name_fromtext(&dnsname, &buf, dns_rootname, ISC_FALSE, NULL)); + + /* Make sense of optional class argument */ + obj = cfg_tuple_get(parms, "class"); + CHECK(ns_config_getclass(obj, dns_rdataclass_in, &rdclass)); + if (rdclass != dns_rdataclass_in && obj) + classname = cfg_obj_asstring(obj); + + /* Make sense of optional view argument */ + obj = cfg_tuple_get(parms, "view"); + if (obj && cfg_obj_isstring(obj)) + viewname = cfg_obj_asstring(obj); + if (viewname == NULL || *viewname == '\0') + viewname = "_default"; + CHECK(dns_viewlist_find(&server->viewlist, viewname, rdclass, &view)); + + /* Are we accepting new zones? */ + if (view->new_zone_file == NULL) { + result = ISC_R_NOPERM; + goto cleanup; + } + + cfg = (struct cfg_context *) view->new_zone_config; + if (cfg == NULL) { + result = ISC_R_FAILURE; + goto cleanup; + } + + /* Zone shouldn't already exist */ + result = dns_zt_find(view->zonetable, &dnsname, 0, NULL, &zone); + if (result == ISC_R_SUCCESS) { + result = ISC_R_EXISTS; + goto cleanup; + } else if (result == DNS_R_PARTIALMATCH) { + /* Create our sub-zone anyway */ + dns_zone_detach(&zone); + zone = NULL; + } + else if (result != ISC_R_NOTFOUND) + goto cleanup; + + /* Find the view statement */ + cfg_map_get(cfg->config, "view", &views); + for (element = cfg_list_first(views); + element != NULL; + element = cfg_list_next(element)) + { + const char *vname; + vconfig = cfg_listelt_value(element); + vname = cfg_obj_asstring(cfg_tuple_get(vconfig, "name")); + if (vname && !strcasecmp(vname, viewname)) + break; + vconfig = NULL; + } + + /* Open save file for write configuration */ + CHECK(isc_stdio_open(view->new_zone_file, "a", &fp)); + + /* Mark view unfrozen so that zone can be added */ + dns_view_thaw(view); + result = configure_zone(cfg->config, parms, vconfig, + server->mctx, view, &cfg->actx, ISC_FALSE); + dns_view_freeze(view); + if (result != ISC_R_SUCCESS) { + goto cleanup; + } + + /* Is it there yet? */ + CHECK(dns_zt_find(view->zonetable, &dnsname, 0, NULL, &zone)); + + /* + * Load the zone from the master file. If this fails, we'll + * need to undo the configuration we've done already. + */ + result = dns_zone_loadnew(zone); + if (result != ISC_R_SUCCESS) { + dns_db_t *dbp = NULL; + + isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, + NS_LOGMODULE_SERVER, ISC_LOG_INFO, + "addzone failed; reverting."); + + /* If the zone loaded partially, unload it */ + if (dns_zone_getdb(zone, &dbp) == ISC_R_SUCCESS) { + dns_db_detach(&dbp); + dns_zone_unload(zone); + } + + /* Remove the zone from the zone table */ + dns_zt_unmount(view->zonetable, zone); + goto cleanup; + } + + /* Flag the zone as having been added at runtime */ + dns_zone_setadded(zone, ISC_TRUE); + + /* Emit just the zone name from args */ + CHECK(isc_stdio_write("zone ", 5, 1, fp, NULL)); + CHECK(isc_stdio_write(zonename, strlen(zonename), 1, fp, NULL)); + CHECK(isc_stdio_write(" ", 1, 1, fp, NULL)); + + /* Classname, if not default */ + if (classname != NULL && *classname != '\0') { + CHECK(isc_stdio_write(classname, strlen(classname), 1, fp, + NULL)); + CHECK(isc_stdio_write(" ", 1, 1, fp, NULL)); + } + + /* Find beginning of option block from args */ + for (argp = args; *argp; argp++, arglen--) { + if (*argp == '{') { /* Assume matching '}' */ + /* Add that to our file */ + CHECK(isc_stdio_write(argp, arglen, 1, fp, NULL)); + + /* Make sure we end with a LF */ + if (argp[arglen-1] != '\n') { + CHECK(isc_stdio_write("\n", 1, 1, fp, NULL)); + } + break; + } + } + + CHECK(isc_stdio_close(fp)); + fp = NULL; + isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, + NS_LOGMODULE_SERVER, ISC_LOG_INFO, + "zone %s added to view %s via addzone", + zonename, viewname); + + result = ISC_R_SUCCESS; + + cleanup: + if (fp != NULL) + isc_stdio_close(fp); + if (parser != NULL) { + if (config != NULL) + cfg_obj_destroy(parser, &config); + cfg_parser_destroy(&parser); + } + if (zone != NULL) + dns_zone_detach(&zone); + if (view != NULL) + dns_view_detach(&view); + if (nbuf != NULL) + isc_buffer_free(&nbuf); + + return (result); +} + +/* + * Act on a "delzone" command from the command channel. + */ +isc_result_t +ns_server_del_zone(ns_server_t *server, char *args) { + isc_result_t result; + dns_zone_t *zone = NULL; + dns_view_t *view = NULL; + dns_db_t *dbp = NULL; + const char *filename = NULL; + char *tmpname = NULL; + char buf[1024]; + const char *zonename = NULL; + size_t znamelen = 0; + FILE *ifp = NULL, *ofp = NULL; + + /* Parse parameters */ + CHECK(zone_from_args(server, args, &zone, &zonename)); + if (result != ISC_R_SUCCESS) + return (result); + if (zone == NULL) { + result = ISC_R_UNEXPECTEDEND; + goto cleanup; + } + + /* + * Was this zone originally added at runtime? + * If not, we can't delete it now. + */ + if (!dns_zone_getadded(zone)) { + result = ISC_R_NOPERM; + goto cleanup; + } + + if (zonename != NULL) + znamelen = strlen(zonename); + + /* Dig out configuration for this zone */ + view = dns_zone_getview(zone); + filename = view->new_zone_file; + if (filename == NULL) { + /* No adding zones in this view */ + result = ISC_R_FAILURE; + goto cleanup; + } + + /* Rewrite zone list */ + result = isc_stdio_open(filename, "r", &ifp); + if (ifp != NULL && result == ISC_R_SUCCESS) { + char *found = NULL, *p = NULL; + size_t n; + + /* Create a temporary file */ + CHECK(isc_string_printf(buf, 1023, "%s.%ld", filename, + (long)getpid())); + if (!(tmpname = isc_mem_strdup(server->mctx, buf))) { + result = ISC_R_NOMEMORY; + goto cleanup; + } + CHECK(isc_stdio_open(tmpname, "w", &ofp)); + + /* Look for the entry for that zone */ + while (fgets(buf, 1024, ifp)) { + /* A 'zone' line */ + if (strncasecmp(buf, "zone", 4)) { + fputs(buf, ofp); + continue; + } + p = buf+4; + + /* Locate a name */ + while (*p && + ((*p == '"') || isspace((unsigned char)*p))) + p++; + + /* Is that the zone we're looking for */ + if (strncasecmp(p, zonename, znamelen)) { + fputs(buf, ofp); + continue; + } + + /* And nothing else? */ + p += znamelen; + if (isspace((unsigned char)*p) || + *p == '"' || *p == '{') { + /* This must be the entry */ + found = p; + break; + } + + /* Spit it out, keep looking */ + fputs(buf, ofp); + } + + /* Skip over an option block (matching # of braces) */ + if (found) { + int obrace = 0, cbrace = 0; + for (;;) { + while (*p) { + if (*p == '{') obrace++; + if (*p == '}') cbrace++; + p++; + } + if (obrace && (obrace == cbrace)) + break; + if (!fgets(buf, 1024, ifp)) + break; + p = buf; + } + + /* Just spool the remainder of the file out */ + result = isc_stdio_read(buf, 1, 1024, ifp, &n); + while (n > 0U) { + if (result == ISC_R_EOF) + result = ISC_R_SUCCESS; + CHECK(result); + isc_stdio_write(buf, 1, n, ofp, NULL); + result = isc_stdio_read(buf, 1, 1024, ifp, &n); + } + + /* Move temporary into place */ + CHECK(isc_file_rename(tmpname, view->new_zone_file)); + } else { + isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, + NS_LOGMODULE_SERVER, ISC_LOG_WARNING, + "deleted zone %s was missing from " + "new zone file", zonename); + goto cleanup; + } + } + + /* Stop answering for this zone */ + if (dns_zone_getdb(zone, &dbp) == ISC_R_SUCCESS) { + dns_db_detach(&dbp); + dns_zone_unload(zone); + } + + CHECK(dns_zt_unmount(view->zonetable, zone)); + + isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, + NS_LOGMODULE_SERVER, ISC_LOG_INFO, + "zone %s removed via delzone", zonename); + + result = ISC_R_SUCCESS; + + cleanup: + if (ifp != NULL) + isc_stdio_close(ifp); + if (ofp != NULL) { + isc_stdio_close(ofp); + isc_file_remove(tmpname); + } + if (tmpname != NULL) + isc_mem_free(server->mctx, tmpname); + if (zone != NULL) + dns_zone_detach(&zone); + + return (result); +} + +static void +cfgctx_destroy(void **cfgp) { + struct cfg_context *cfg; + isc_mem_t *mctx; + + REQUIRE(cfgp != NULL && *cfgp != NULL); + cfg = *cfgp; + mctx = cfg->mctx; + cfg->mctx = NULL; + + if (cfg->parser != NULL) { + if (cfg->config != NULL) + cfg_obj_destroy(cfg->parser, &cfg->config); + cfg_parser_destroy(&cfg->parser); + } + cfg_aclconfctx_clear(&cfg->actx); + + isc_mem_put(mctx, cfg, sizeof(*cfg)); + isc_mem_detach(&mctx); + *cfgp = NULL; +} diff --git a/bin/named/statschannel.c b/bin/named/statschannel.c index c77d3ca..6dce8e0 100644 --- a/bin/named/statschannel.c +++ b/bin/named/statschannel.c @@ -14,7 +14,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: statschannel.c,v 1.14.64.11 2010-02-04 23:47:46 tbox Exp $ */ +/* $Id: statschannel.c,v 1.26 2010-02-04 23:49:13 tbox Exp $ */ /*! \file */ @@ -29,6 +29,7 @@ #include #include +#include #include #include #include @@ -823,9 +824,9 @@ generatexml(ns_server_t *server, int *buflen, xmlChar **buf) { TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "cache")); TRY0(xmlTextWriterWriteAttribute(writer, - ISC_XMLCHAR "name", - ISC_XMLCHAR - view->name)); + ISC_XMLCHAR "name", + ISC_XMLCHAR + dns_cache_getname(view->cache))); dumparg.result = ISC_R_SUCCESS; dns_rdatasetstats_dump(cachestats, rdatasetstats_dump, &dumparg, 0); @@ -1405,7 +1406,15 @@ ns_stats_dump(ns_server_t *server, FILE *fp) { if (strcmp(view->name, "_default") == 0) fprintf(fp, "[View: default]\n"); else - fprintf(fp, "[View: %s]\n", view->name); + fprintf(fp, "[View: %s (Cache: %s)]\n", view->name, + dns_cache_getname(view->cache)); + if (dns_view_iscacheshared(view)) { + /* + * Avoid dumping redundant statistics when the cache is + * shared. + */ + continue; + } dns_rdatasetstats_dump(cachestats, rdatasetstats_dump, &dumparg, 0); } diff --git a/bin/named/tkeyconf.c b/bin/named/tkeyconf.c index 7344978..66c2d7f 100644 --- a/bin/named/tkeyconf.c +++ b/bin/named/tkeyconf.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2007, 2009, 2010 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2001 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: tkeyconf.c,v 1.29 2007-06-19 23:46:59 tbox Exp $ */ +/* $Id: tkeyconf.c,v 1.33 2010-12-20 23:47:20 tbox Exp $ */ /*! \file */ @@ -77,8 +77,7 @@ ns_tkeyctx_fromconfig(const cfg_obj_t *options, isc_mem_t *mctx, isc_buffer_add(&b, strlen(s)); dns_fixedname_init(&fname); name = dns_fixedname_name(&fname); - RETERR(dns_name_fromtext(name, &b, dns_rootname, - ISC_FALSE, NULL)); + RETERR(dns_name_fromtext(name, &b, dns_rootname, 0, NULL)); type = DST_TYPE_PUBLIC|DST_TYPE_PRIVATE|DST_TYPE_KEY; RETERR(dst_key_fromfile(name, (dns_keytag_t) n, DNS_KEYALG_DH, type, NULL, mctx, &tctx->dhkey)); @@ -92,8 +91,7 @@ ns_tkeyctx_fromconfig(const cfg_obj_t *options, isc_mem_t *mctx, isc_buffer_add(&b, strlen(s)); dns_fixedname_init(&fname); name = dns_fixedname_name(&fname); - RETERR(dns_name_fromtext(name, &b, dns_rootname, ISC_FALSE, - NULL)); + RETERR(dns_name_fromtext(name, &b, dns_rootname, 0, NULL)); tctx->domain = isc_mem_get(mctx, sizeof(dns_name_t)); if (tctx->domain == NULL) { result = ISC_R_NOMEMORY; @@ -112,12 +110,22 @@ ns_tkeyctx_fromconfig(const cfg_obj_t *options, isc_mem_t *mctx, isc_buffer_add(&b, strlen(s)); dns_fixedname_init(&fname); name = dns_fixedname_name(&fname); - RETERR(dns_name_fromtext(name, &b, dns_rootname, ISC_FALSE, - NULL)); - RETERR(dst_gssapi_acquirecred(name, ISC_FALSE, - &tctx->gsscred)); + RETERR(dns_name_fromtext(name, &b, dns_rootname, 0, NULL)); + RETERR(dst_gssapi_acquirecred(name, ISC_FALSE, &tctx->gsscred)); } + obj = NULL; + result = cfg_map_get(options, "tkey-gssapi-keytab", &obj); + if (result == ISC_R_SUCCESS) { + s = cfg_obj_asstring(obj); + tctx->gssapi_keytab = isc_mem_strdup(mctx, s); + if (tctx->gssapi_keytab == NULL) { + result = ISC_R_NOMEMORY; + goto failure; + } + } + + *tctxp = tctx; return (ISC_R_SUCCESS); diff --git a/bin/named/tsigconf.c b/bin/named/tsigconf.c index e90a86b..19e8d38 100644 --- a/bin/named/tsigconf.c +++ b/bin/named/tsigconf.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2007, 2009, 2011 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2001 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: tsigconf.c,v 1.30 2007-06-19 23:46:59 tbox Exp $ */ +/* $Id: tsigconf.c,v 1.35 2011-01-11 23:47:12 tbox Exp $ */ /*! \file */ @@ -82,7 +82,7 @@ add_initial_keys(const cfg_obj_t *list, dns_tsig_keyring_t *ring, isc_buffer_add(&keynamesrc, strlen(keyid)); isc_buffer_init(&keynamebuf, keynamedata, sizeof(keynamedata)); ret = dns_name_fromtext(&keyname, &keynamesrc, dns_rootname, - ISC_TRUE, &keynamebuf); + DNS_NAME_DOWNCASE, &keynamebuf); if (ret != ISC_R_SUCCESS) goto failure; @@ -149,6 +149,8 @@ ns_tsigkeyring_fromconfig(const cfg_obj_t *config, const cfg_obj_t *vconfig, isc_result_t result; int i; + REQUIRE(ringp != NULL && *ringp == NULL); + i = 0; if (config != NULL) maps[i++] = config; @@ -176,6 +178,6 @@ ns_tsigkeyring_fromconfig(const cfg_obj_t *config, const cfg_obj_t *vconfig, return (ISC_R_SUCCESS); failure: - dns_tsigkeyring_destroy(&ring); + dns_tsigkeyring_detach(&ring); return (result); } diff --git a/bin/named/unix/Makefile.in b/bin/named/unix/Makefile.in index 502db25..ca92c49 100644 --- a/bin/named/unix/Makefile.in +++ b/bin/named/unix/Makefile.in @@ -1,4 +1,4 @@ -# Copyright (C) 2004, 2007 Internet Systems Consortium, Inc. ("ISC") +# Copyright (C) 2004, 2007, 2009 Internet Systems Consortium, Inc. ("ISC") # Copyright (C) 1999-2001 Internet Software Consortium. # # Permission to use, copy, modify, and/or distribute this software for any @@ -13,7 +13,7 @@ # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR # PERFORMANCE OF THIS SOFTWARE. -# $Id: Makefile.in,v 1.10 2007-06-19 23:46:59 tbox Exp $ +# $Id: Makefile.in,v 1.13 2009-12-05 23:31:40 each Exp $ srcdir = @srcdir@ VPATH = @srcdir@ diff --git a/bin/named/unix/include/named/os.h b/bin/named/unix/include/named/os.h index 0a84608..c2768f4 100644 --- a/bin/named/unix/include/named/os.h +++ b/bin/named/unix/include/named/os.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004, 2005, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004, 2005, 2007-2009 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2002 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: os.h,v 1.29 2008-10-24 01:44:48 tbox Exp $ */ +/* $Id: os.h,v 1.31 2009-08-05 23:47:43 tbox Exp $ */ #ifndef NS_OS_H #define NS_OS_H 1 @@ -51,8 +51,12 @@ ns_os_adjustnofile(void); void ns_os_minprivs(void); +FILE * +ns_os_openfile(const char *filename, mode_t mode, isc_boolean_t switch_user); + void ns_os_writepidfile(const char *filename, isc_boolean_t first_time); + void ns_os_shutdown(void); diff --git a/bin/named/unix/os.c b/bin/named/unix/os.c index 3f07784..53e9e45 100644 --- a/bin/named/unix/os.c +++ b/bin/named/unix/os.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2009 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2010 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2002 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: os.c,v 1.89.12.5 2009-03-02 03:03:54 marka Exp $ */ +/* $Id: os.c,v 1.104 2010-11-17 23:47:08 tbox Exp $ */ /*! \file */ @@ -291,6 +291,12 @@ linux_initialprivs(void) { */ SET_CAP(CAP_SYS_RESOURCE); + /* + * We need to be able to set the ownership of the containing + * directory of the pid file when we create it. + */ + SET_CAP(CAP_CHOWN); + linux_setcaps(caps); #ifdef HAVE_LIBCAP @@ -631,7 +637,7 @@ ns_os_minprivs(void) { } static int -safe_open(const char *filename, isc_boolean_t append) { +safe_open(const char *filename, mode_t mode, isc_boolean_t append) { int fd; struct stat sb; @@ -644,13 +650,11 @@ safe_open(const char *filename, isc_boolean_t append) { } if (append) - fd = open(filename, O_WRONLY|O_CREAT|O_APPEND, - S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH); + fd = open(filename, O_WRONLY|O_CREAT|O_APPEND, mode); else { if (unlink(filename) < 0 && errno != ENOENT) return (-1); - fd = open(filename, O_WRONLY|O_CREAT|O_EXCL, - S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH); + fd = open(filename, O_WRONLY|O_CREAT|O_EXCL, mode); } return (fd); } @@ -686,6 +690,15 @@ mkdirpath(char *filename, void (*report)(const char *, ...)) { } if (mkdirpath(filename, report) == -1) goto error; + /* + * Handle "//", "/./" and "/../" in path. + */ + if (!strcmp(slash + 1, "") || + !strcmp(slash + 1, ".") || + !strcmp(slash + 1, "..")) { + *slash = '/'; + return (0); + } mode = S_IRUSR | S_IWUSR | S_IXUSR; /* u=rwx */ mode |= S_IRGRP | S_IXGRP; /* g=rx */ mode |= S_IROTH | S_IXOTH; /* o=rx */ @@ -695,6 +708,13 @@ mkdirpath(char *filename, void (*report)(const char *, ...)) { strbuf); goto error; } + if (runas_pw != NULL && + chown(filename, runas_pw->pw_uid, + runas_pw->pw_gid) == -1) { + isc__strerror(errno, strbuf, sizeof(strbuf)); + (*report)("couldn't chown '%s': %s", filename, + strbuf); + } } *slash = '/'; } @@ -705,11 +725,127 @@ mkdirpath(char *filename, void (*report)(const char *, ...)) { return (-1); } +static void +setperms(uid_t uid, gid_t gid) { + char strbuf[ISC_STRERRORSIZE]; +#if !defined(HAVE_SETEGID) && defined(HAVE_SETRESGID) + gid_t oldgid, tmpg; +#endif +#if !defined(HAVE_SETEUID) && defined(HAVE_SETRESUID) + uid_t olduid, tmpu; +#endif +#if defined(HAVE_SETEGID) + if (getegid() != gid && setegid(gid) == -1) { + isc__strerror(errno, strbuf, sizeof(strbuf)); + ns_main_earlywarning("unable to set effective gid to %ld: %s", + (long)gid, strbuf); + } +#elif defined(HAVE_SETRESGID) + if (getresgid(&tmpg, &oldgid, &tmpg) == -1 || oldgid != gid) { + if (setresgid(-1, gid, -1) == -1) { + isc__strerror(errno, strbuf, sizeof(strbuf)); + ns_main_earlywarning("unable to set effective " + "gid to %d: %s", gid, strbuf); + } + } +#endif + +#if defined(HAVE_SETEUID) + if (geteuid() != uid && seteuid(uid) == -1) { + isc__strerror(errno, strbuf, sizeof(strbuf)); + ns_main_earlywarning("unable to set effective uid to %ld: %s", + (long)uid, strbuf); + } +#elif defined(HAVE_SETRESUID) + if (getresuid(&tmpu, &olduid, &tmpu) == -1 || olduid != uid) { + if (setresuid(-1, uid, -1) == -1) { + isc__strerror(errno, strbuf, sizeof(strbuf)); + ns_main_earlywarning("unable to set effective " + "uid to %d: %s", uid, strbuf); + } + } +#endif +} + +FILE * +ns_os_openfile(const char *filename, mode_t mode, isc_boolean_t switch_user) { + char strbuf[ISC_STRERRORSIZE], *f; + FILE *fp; + int fd; + + /* + * Make the containing directory if it doesn't exist. + */ + f = strdup(filename); + if (f == NULL) { + isc__strerror(errno, strbuf, sizeof(strbuf)); + ns_main_earlywarning("couldn't strdup() '%s': %s", + filename, strbuf); + return (NULL); + } + if (mkdirpath(f, ns_main_earlywarning) == -1) { + free(f); + return (NULL); + } + free(f); + + if (switch_user && runas_pw != NULL) { + /* Set UID/GID to the one we'll be running with eventually */ + setperms(runas_pw->pw_uid, runas_pw->pw_gid); + + fd = safe_open(filename, mode, ISC_FALSE); + +#ifndef HAVE_LINUXTHREADS + /* Restore UID/GID to root */ + setperms(0, 0); +#endif /* HAVE_LINUXTHREADS */ + + if (fd == -1) { +#ifndef HAVE_LINUXTHREADS + fd = safe_open(filename, mode, ISC_FALSE); + if (fd != -1) { + ns_main_earlywarning("Required root " + "permissions to open " + "'%s'.", filename); + } else { + ns_main_earlywarning("Could not open " + "'%s'.", filename); + } + ns_main_earlywarning("Please check file and " + "directory permissions " + "or reconfigure the filename."); +#else /* HAVE_LINUXTHREADS */ + ns_main_earlywarning("Could not open " + "'%s'.", filename); + ns_main_earlywarning("Please check file and " + "directory permissions " + "or reconfigure the filename."); +#endif /* HAVE_LINUXTHREADS */ + } + } else { + fd = safe_open(filename, mode, ISC_FALSE); + } + + if (fd < 0) { + isc__strerror(errno, strbuf, sizeof(strbuf)); + ns_main_earlywarning("could not open file '%s': %s", + filename, strbuf); + return (NULL); + } + + fp = fdopen(fd, "w"); + if (fp == NULL) { + isc__strerror(errno, strbuf, sizeof(strbuf)); + ns_main_earlywarning("could not fdopen() file '%s': %s", + filename, strbuf); + } + + return (fp); +} + void ns_os_writepidfile(const char *filename, isc_boolean_t first_time) { - int fd; FILE *lockfile; - size_t len; pid_t pid; char strbuf[ISC_STRERRORSIZE]; void (*report)(const char *, ...); @@ -725,40 +861,16 @@ ns_os_writepidfile(const char *filename, isc_boolean_t first_time) { if (filename == NULL) return; - len = strlen(filename); - pidfile = malloc(len + 1); + pidfile = strdup(filename); if (pidfile == NULL) { isc__strerror(errno, strbuf, sizeof(strbuf)); - (*report)("couldn't malloc '%s': %s", filename, strbuf); + (*report)("couldn't strdup() '%s': %s", filename, strbuf); return; } - /* This is safe. */ - strcpy(pidfile, filename); - - /* - * Make the containing directory if it doesn't exist. - */ - if (mkdirpath(pidfile, report) == -1) { - free(pidfile); - pidfile = NULL; - return; - } - - fd = safe_open(filename, ISC_FALSE); - if (fd < 0) { - isc__strerror(errno, strbuf, sizeof(strbuf)); - (*report)("couldn't open pid file '%s': %s", filename, strbuf); - free(pidfile); - pidfile = NULL; - return; - } - lockfile = fdopen(fd, "w"); + lockfile = ns_os_openfile(filename, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH, + first_time); if (lockfile == NULL) { - isc__strerror(errno, strbuf, sizeof(strbuf)); - (*report)("could not fdopen() pid file '%s': %s", - filename, strbuf); - (void)close(fd); cleanup_pidfile(); return; } diff --git a/bin/named/update.c b/bin/named/update.c index 1504a44..eb1ed1d 100644 --- a/bin/named/update.c +++ b/bin/named/update.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2010 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2011 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: update.c,v 1.151.12.11 2010-02-26 23:48:43 tbox Exp $ */ +/* $Id: update.c,v 1.186.16.1.2.1 2011-06-02 23:47:28 tbox Exp $ */ #include @@ -38,6 +38,7 @@ #include #include #include +#include #include #include #include @@ -45,6 +46,7 @@ #include #include #include +#include #include #include #include @@ -281,6 +283,47 @@ inc_stats(dns_zone_t *zone, isc_statscounter_t counter) { } /*% + * Check if we could have queried for the contents of this zone or + * if the zone is potentially updateable. + * If the zone can potentially be updated and the check failed then + * log a error otherwise we log a informational message. + */ +static isc_result_t +checkqueryacl(ns_client_t *client, dns_acl_t *queryacl, dns_name_t *zonename, + dns_acl_t *updateacl, dns_ssutable_t *ssutable) +{ + char namebuf[DNS_NAME_FORMATSIZE]; + char classbuf[DNS_RDATACLASS_FORMATSIZE]; + int level; + isc_result_t result; + + result = ns_client_checkaclsilent(client, NULL, queryacl, ISC_TRUE); + if (result != ISC_R_SUCCESS) { + dns_name_format(zonename, namebuf, sizeof(namebuf)); + dns_rdataclass_format(client->view->rdclass, classbuf, + sizeof(classbuf)); + + level = (updateacl == NULL && ssutable == NULL) ? + ISC_LOG_INFO : ISC_LOG_ERROR; + + ns_client_log(client, NS_LOGCATEGORY_UPDATE_SECURITY, + NS_LOGMODULE_UPDATE, level, + "update '%s/%s' denied due to allow-query", + namebuf, classbuf); + } else if (updateacl == NULL && ssutable == NULL) { + dns_name_format(zonename, namebuf, sizeof(namebuf)); + dns_rdataclass_format(client->view->rdclass, classbuf, + sizeof(classbuf)); + + result = DNS_R_REFUSED; + ns_client_log(client, NS_LOGCATEGORY_UPDATE_SECURITY, + NS_LOGMODULE_UPDATE, ISC_LOG_INFO, + "update '%s/%s' denied", namebuf, classbuf); + } + return (result); +} + +/*% * Override the default acl logging when checking whether a client * can update the zone or whether we can forward the request to the * master based on IP address. @@ -809,6 +852,9 @@ typedef struct { /* The ssu table to check against. */ dns_ssutable_t *table; + + /* the key used for TKEY requests */ + dst_key_t *key; } ssu_check_t; static isc_result_t @@ -825,14 +871,14 @@ ssu_checkrule(void *data, dns_rdataset_t *rrset) { return (ISC_R_SUCCESS); result = dns_ssutable_checkrules(ssuinfo->table, ssuinfo->signer, ssuinfo->name, ssuinfo->tcpaddr, - rrset->type); + rrset->type, ssuinfo->key); return (result == ISC_TRUE ? ISC_R_SUCCESS : ISC_R_FAILURE); } static isc_boolean_t ssu_checkall(dns_db_t *db, dns_dbversion_t *ver, dns_name_t *name, dns_ssutable_t *ssutable, dns_name_t *signer, - isc_netaddr_t *tcpaddr) + isc_netaddr_t *tcpaddr, dst_key_t *key) { isc_result_t result; ssu_check_t ssuinfo; @@ -841,6 +887,7 @@ ssu_checkall(dns_db_t *db, dns_dbversion_t *ver, dns_name_t *name, ssuinfo.table = ssutable; ssuinfo.signer = signer; ssuinfo.tcpaddr = tcpaddr; + ssuinfo.key = key; result = foreach_rrset(db, ver, name, ssu_checkrule, &ssuinfo); return (ISC_TF(result == ISC_R_SUCCESS)); } @@ -889,7 +936,7 @@ temp_check_rrset(dns_difftuple_t *a, dns_difftuple_t *b) { b->op == DNS_DIFFOP_EXISTS); INSIST(a->rdata.type == b->rdata.type); INSIST(dns_name_equal(&a->name, &b->name)); - if (dns_rdata_compare(&a->rdata, &b->rdata) != 0) + if (dns_rdata_casecompare(&a->rdata, &b->rdata) != 0) return (DNS_R_NXRRSET); a = ISC_LIST_NEXT(a, link); b = ISC_LIST_NEXT(b, link); @@ -917,7 +964,7 @@ temp_order(const void *av, const void *bv) { r = (b->rdata.type - a->rdata.type); if (r != 0) return (r); - r = dns_rdata_compare(&a->rdata, &b->rdata); + r = dns_rdata_casecompare(&a->rdata, &b->rdata); return (r); } @@ -1146,7 +1193,7 @@ rr_equal_p(dns_rdata_t *update_rr, dns_rdata_t *db_rr) { * dns_rdata_equal() (that used dns_name_equal()), since it * would be faster. Not a priority. */ - return (dns_rdata_compare(update_rr, db_rr) == 0 ? + return (dns_rdata_casecompare(update_rr, db_rr) == 0 ? ISC_TRUE : ISC_FALSE); } @@ -1208,11 +1255,10 @@ replaces_p(dns_rdata_t *update_rr, dns_rdata_t *db_rr) { return (ISC_FALSE); INSIST(db_rr->length >= 4 && update_rr->length >= 4); /* - * Replace records added in this UPDATE request. + * Replace NSEC3PARAM records that only differ by the + * flags field. */ if (db_rr->data[0] == update_rr->data[0] && - db_rr->data[1] & DNS_NSEC3FLAG_UPDATE && - update_rr->data[1] & DNS_NSEC3FLAG_UPDATE && memcmp(db_rr->data+2, update_rr->data+2, update_rr->length - 2) == 0) return (ISC_TRUE); @@ -1293,7 +1339,7 @@ add_rr_prepare_action(void *data, rr_t *rr) { * If the update RR is a "duplicate" of the update RR, * the update should be silently ignored. */ - equal = ISC_TF(dns_rdata_compare(&rr->rdata, ctx->update_rr) == 0); + equal = ISC_TF(dns_rdata_casecompare(&rr->rdata, ctx->update_rr) == 0); if (equal && rr->ttl == ctx->update_rr_ttl) { ctx->ignore_add = ISC_TRUE; return (ISC_R_SUCCESS); @@ -1717,35 +1763,6 @@ next_active(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, return (result); } -static isc_boolean_t -has_opt_bit(dns_db_t *db, dns_dbversion_t *version, dns_dbnode_t *node) { - isc_result_t result; - dns_rdata_t rdata = DNS_RDATA_INIT; - dns_rdataset_t rdataset; - isc_boolean_t has_bit = ISC_FALSE; - - dns_rdataset_init(&rdataset); - CHECK(dns_db_findrdataset(db, node, version, dns_rdatatype_nsec, - dns_rdatatype_none, 0, &rdataset, NULL)); - CHECK(dns_rdataset_first(&rdataset)); - dns_rdataset_current(&rdataset, &rdata); - has_bit = dns_nsec_typepresent(&rdata, dns_rdatatype_opt); - failure: - if (dns_rdataset_isassociated(&rdataset)) - dns_rdataset_disassociate(&rdataset); - return (has_bit); -} - -static void -set_bit(unsigned char *array, unsigned int index) { - unsigned int shift, bit; - - shift = 7 - (index % 8); - bit = 1 << shift; - - array[index / 8] |= bit; -} - /*% * Add a NSEC record for "name", recording the change in "diff". * The existing NSEC is removed. @@ -1777,24 +1794,6 @@ add_nsec(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, CHECK(dns_db_findnode(db, name, ISC_FALSE, &node)); dns_rdata_init(&rdata); CHECK(dns_nsec_buildrdata(db, ver, node, target, buffer, &rdata)); - /* - * Preserve the status of the OPT bit in the origin's NSEC record. - */ - if (dns_name_equal(dns_db_origin(db), name) && - has_opt_bit(db, ver, node)) - { - isc_region_t region; - dns_name_t next; - - dns_name_init(&next, NULL); - dns_rdata_toregion(&rdata, ®ion); - dns_name_fromregion(&next, ®ion); - isc_region_consume(®ion, next.length); - INSIST(region.length > (2 + dns_rdatatype_opt / 8) && - region.base[0] == 0 && - region.base[1] > dns_rdatatype_opt / 8); - set_bit(region.base + 2, dns_rdatatype_opt); - } dns_db_detachnode(db, &node); /* @@ -1856,44 +1855,6 @@ find_zone_keys(dns_zone_t *zone, dns_db_t *db, dns_dbversion_t *ver, return (result); } -static isc_boolean_t -ksk_sanity(dns_db_t *db, dns_dbversion_t *ver) { - isc_boolean_t ret = ISC_FALSE; - isc_boolean_t have_ksk = ISC_FALSE, have_nonksk = ISC_FALSE; - isc_result_t result; - dns_dbnode_t *node = NULL; - dns_rdataset_t rdataset; - dns_rdata_t rdata = DNS_RDATA_INIT; - dns_rdata_dnskey_t dnskey; - - dns_rdataset_init(&rdataset); - CHECK(dns_db_findnode(db, dns_db_origin(db), ISC_FALSE, &node)); - CHECK(dns_db_findrdataset(db, node, ver, dns_rdatatype_dnskey, 0, 0, - &rdataset, NULL)); - CHECK(dns_rdataset_first(&rdataset)); - while (result == ISC_R_SUCCESS && (!have_ksk || !have_nonksk)) { - dns_rdataset_current(&rdataset, &rdata); - CHECK(dns_rdata_tostruct(&rdata, &dnskey, NULL)); - if ((dnskey.flags & (DNS_KEYFLAG_OWNERMASK|DNS_KEYTYPE_NOAUTH)) - == DNS_KEYOWNER_ZONE) { - if ((dnskey.flags & DNS_KEYFLAG_KSK) != 0) - have_ksk = ISC_TRUE; - else - have_nonksk = ISC_TRUE; - } - dns_rdata_reset(&rdata); - result = dns_rdataset_next(&rdataset); - } - if (have_ksk && have_nonksk) - ret = ISC_TRUE; - failure: - if (dns_rdataset_isassociated(&rdataset)) - dns_rdataset_disassociate(&rdataset); - if (node != NULL) - dns_db_detachnode(db, &node); - return (ret); -} - /*% * Add RRSIG records for an RRset, recording the change in "diff". */ @@ -1902,7 +1863,7 @@ add_sigs(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, dns_dbversion_t *ver, dns_name_t *name, dns_rdatatype_t type, dns_diff_t *diff, dst_key_t **keys, unsigned int nkeys, isc_stdtime_t inception, isc_stdtime_t expire, - isc_boolean_t check_ksk) + isc_boolean_t check_ksk, isc_boolean_t keyset_kskonly) { isc_result_t result; dns_dbnode_t *node = NULL; @@ -1910,7 +1871,7 @@ add_sigs(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, dns_rdata_t sig_rdata = DNS_RDATA_INIT; isc_buffer_t buffer; unsigned char data[1024]; /* XXX */ - unsigned int i; + unsigned int i, j; isc_boolean_t added_sig = ISC_FALSE; isc_mem_t *mctx = client->mctx; @@ -1926,13 +1887,52 @@ add_sigs(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, (isc_stdtime_t) 0, &rdataset, NULL)); dns_db_detachnode(db, &node); +#define REVOKE(x) ((dst_key_flags(x) & DNS_KEYFLAG_REVOKE) != 0) +#define KSK(x) ((dst_key_flags(x) & DNS_KEYFLAG_KSK) != 0) +#define ALG(x) dst_key_alg(x) + + /* + * If we are honoring KSK flags then we need to check that we + * have both KSK and non-KSK keys that are not revoked per + * algorithm. + */ for (i = 0; i < nkeys; i++) { + isc_boolean_t both = ISC_FALSE; - if (check_ksk && type != dns_rdatatype_dnskey && - (dst_key_flags(keys[i]) & DNS_KEYFLAG_KSK) != 0) + if (!dst_key_isprivate(keys[i])) continue; - if (!dst_key_isprivate(keys[i])) + if (check_ksk && !REVOKE(keys[i])) { + isc_boolean_t have_ksk, have_nonksk; + if (KSK(keys[i])) { + have_ksk = ISC_TRUE; + have_nonksk = ISC_FALSE; + } else { + have_ksk = ISC_FALSE; + have_nonksk = ISC_TRUE; + } + for (j = 0; j < nkeys; j++) { + if (j == i || ALG(keys[i]) != ALG(keys[j])) + continue; + if (REVOKE(keys[j])) + continue; + if (KSK(keys[j])) + have_ksk = ISC_TRUE; + else + have_nonksk = ISC_TRUE; + both = have_ksk && have_nonksk; + if (both) + break; + } + } + + if (both) { + if (type == dns_rdatatype_dnskey) { + if (!KSK(keys[i]) && keyset_kskonly) + continue; + } else if (KSK(keys[i])) + continue; + } else if (REVOKE(keys[i]) && type != dns_rdatatype_dnskey) continue; /* Calculate the signature, creating a RRSIG RDATA. */ @@ -1950,7 +1950,7 @@ add_sigs(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, } if (!added_sig) { update_log(client, zone, ISC_LOG_ERROR, - "found no private keys, " + "found no active private keys, " "unable to generate any signatures"); result = ISC_R_NOTFOUND; } @@ -2044,7 +2044,7 @@ add_exposed_sigs(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, dns_dbversion_t *ver, dns_name_t *name, isc_boolean_t cut, dns_diff_t *diff, dst_key_t **keys, unsigned int nkeys, isc_stdtime_t inception, isc_stdtime_t expire, - isc_boolean_t check_ksk) + isc_boolean_t check_ksk, isc_boolean_t keyset_kskonly) { isc_result_t result; dns_dbnode_t *node; @@ -2090,7 +2090,8 @@ add_exposed_sigs(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, if (flag) continue;; result = add_sigs(client, zone, db, ver, name, type, diff, - keys, nkeys, inception, expire, check_ksk); + keys, nkeys, inception, expire, + check_ksk, keyset_kskonly); if (result != ISC_R_SUCCESS) goto cleanup_iterator; } @@ -2120,8 +2121,7 @@ add_exposed_sigs(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, static isc_result_t update_signatures(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, dns_dbversion_t *oldver, dns_dbversion_t *newver, - dns_diff_t *diff, isc_uint32_t sigvalidityinterval, - isc_boolean_t *deleted_zsk) + dns_diff_t *diff, isc_uint32_t sigvalidityinterval) { isc_result_t result; dns_difftuple_t *t; @@ -2130,7 +2130,7 @@ update_signatures(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, dns_diff_t sig_diff; dns_diff_t nsec_diff; dns_diff_t nsec_mindiff; - isc_boolean_t flag; + isc_boolean_t flag, build_nsec, build_nsec3; dst_key_t *zone_keys[MAXZONEKEYS]; unsigned int nkeys = 0; unsigned int i; @@ -2140,9 +2140,10 @@ update_signatures(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, dns_rdata_t rdata = DNS_RDATA_INIT; dns_rdataset_t rdataset; dns_dbnode_t *node = NULL; - isc_boolean_t check_ksk; + isc_boolean_t check_ksk, keyset_kskonly; isc_boolean_t unsecure; isc_boolean_t cut; + dns_rdatatype_t privatetype = dns_zone_getprivatetype(zone); dns_diff_init(client->mctx, &diffnames); dns_diff_init(client->mctx, &affected); @@ -2172,27 +2173,8 @@ update_signatures(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, */ check_ksk = ISC_TF((dns_zone_getoptions(zone) & DNS_ZONEOPT_UPDATECHECKKSK) != 0); - /* - * If we are not checking the ZSK flag then all DNSKEY's are - * already signing all RRsets so we don't need to trigger special - * changes. - */ - if (*deleted_zsk && (!check_ksk || !ksk_sanity(db, oldver))) - *deleted_zsk = ISC_FALSE; - - if (check_ksk) { - check_ksk = ksk_sanity(db, newver); - if (!check_ksk && ksk_sanity(db, oldver)) - update_log(client, zone, ISC_LOG_WARNING, - "disabling update-check-ksk"); - } - - /* - * If we have deleted a ZSK and we we still have some ZSK's - * we don't need to convert the KSK's to a ZSK's. - */ - if (*deleted_zsk && check_ksk) - *deleted_zsk = ISC_FALSE; + keyset_kskonly = ISC_TF((dns_zone_getoptions(zone) & + DNS_ZONEOPT_DNSKEYKSKONLY) != 0); /* * Get the NSEC/NSEC3 TTL from the SOA MINIMUM field. @@ -2259,7 +2241,7 @@ update_signatures(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, CHECK(add_sigs(client, zone, db, newver, name, type, &sig_diff, zone_keys, nkeys, inception, expire, - check_ksk)); + check_ksk, keyset_kskonly)); } skip: /* Skip any other updates to the same RRset. */ @@ -2289,12 +2271,11 @@ update_signatures(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, "removed any orphaned NSEC records"); /* - * If we don't have a NSEC record at the origin then we need to - * update the NSEC3 records. + * See if we need to build NSEC or NSEC3 chains. */ - CHECK(rrset_exists(db, newver, dns_db_origin(db), dns_rdatatype_nsec, - 0, &flag)); - if (!flag) + CHECK(dns_private_chains(db, newver, privatetype, &build_nsec, + &build_nsec3)); + if (!build_nsec) goto update_nsec3; update_log(client, zone, ISC_LOG_DEBUG(3), "rebuilding NSEC chain"); @@ -2398,16 +2379,25 @@ update_signatures(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, dns_rdatatype_any, 0, NULL, diff)); } else { /* - * This name is not obscured. It should have a NSEC. + * This name is not obscured. It needs to have a + * NSEC unless it is the at the origin, in which + * case it should already exist if there is a complete + * NSEC chain and if there isn't a complete NSEC chain + * we don't want to add one as that would signal that + * there is a complete NSEC chain. */ - CHECK(rrset_exists(db, newver, name, - dns_rdatatype_nsec, 0, &flag)); - if (! flag) - CHECK(add_placeholder_nsec(db, newver, name, - diff)); + if (!dns_name_equal(name, dns_db_origin(db))) { + CHECK(rrset_exists(db, newver, name, + dns_rdatatype_nsec, 0, + &flag)); + if (!flag) + CHECK(add_placeholder_nsec(db, newver, + name, diff)); + } CHECK(add_exposed_sigs(client, zone, db, newver, name, cut, diff, zone_keys, nkeys, - inception, expire, check_ksk)); + inception, expire, check_ksk, + keyset_kskonly)); } } @@ -2469,7 +2459,7 @@ update_signatures(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, CHECK(add_sigs(client, zone, db, newver, &t->name, dns_rdatatype_nsec, &sig_diff, zone_keys, nkeys, inception, expire, - check_ksk)); + check_ksk, keyset_kskonly)); } else { INSIST(0); } @@ -2491,13 +2481,7 @@ update_signatures(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, INSIST(ISC_LIST_EMPTY(nsec_diff.tuples)); INSIST(ISC_LIST_EMPTY(nsec_mindiff.tuples)); - /* - * Check if we have any active NSEC3 chains by looking for a - * NSEC3PARAM RRset. - */ - CHECK(rrset_exists(db, newver, dns_db_origin(db), - dns_rdatatype_nsec3param, 0, &flag)); - if (!flag) { + if (!build_nsec3) { update_log(client, zone, ISC_LOG_DEBUG(3), "no NSEC3 chains to rebuild"); goto failure; @@ -2521,6 +2505,7 @@ update_signatures(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, isc_boolean_t ns_existed, dname_existed; isc_boolean_t ns_exists, dname_exists; + isc_boolean_t exists, existed; if (t->rdata.type == dns_rdatatype_nsec || t->rdata.type == dns_rdatatype_rrsig) { @@ -2539,7 +2524,9 @@ update_signatures(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, CHECK(rrset_exists(db, newver, name, dns_rdatatype_dname, 0, &dname_exists)); - if ((ns_exists || dname_exists) == (ns_existed || dname_existed)) + exists = ns_exists || dname_exists; + existed = ns_existed || dname_existed; + if (exists == existed) goto nextname; /* * There was a delegation change. Mark all subdomains @@ -2563,14 +2550,16 @@ update_signatures(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, if (!flag) { CHECK(delete_if(rrsig_p, db, newver, name, dns_rdatatype_any, 0, NULL, diff)); - CHECK(dns_nsec3_delnsec3s(db, newver, name, - &nsec_diff)); + CHECK(dns_nsec3_delnsec3sx(db, newver, name, + privatetype, &nsec_diff)); } else { CHECK(add_exposed_sigs(client, zone, db, newver, name, cut, diff, zone_keys, nkeys, - inception, expire, check_ksk)); - CHECK(dns_nsec3_addnsec3s(db, newver, name, nsecttl, - unsecure, &nsec_diff)); + inception, expire, check_ksk, + keyset_kskonly)); + CHECK(dns_nsec3_addnsec3sx(db, newver, name, nsecttl, + unsecure, privatetype, + &nsec_diff)); } } @@ -2601,7 +2590,8 @@ update_signatures(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, CHECK(add_sigs(client, zone, db, newver, &t->name, dns_rdatatype_nsec3, &sig_diff, zone_keys, nkeys, - inception, expire, check_ksk)); + inception, expire, check_ksk, + keyset_kskonly)); } else { INSIST(0); } @@ -2734,6 +2724,7 @@ ns_update_start(ns_client_t *client, isc_result_t sigresult) { switch(dns_zone_gettype(zone)) { case dns_zone_master: + case dns_zone_dlz: /* * We can now fail due to a bad signature as we now know * that we are the master. @@ -2943,7 +2934,7 @@ rr_exists(dns_db_t *db, dns_dbversion_t *ver, dns_name_t *name, result = dns_rdataset_next(&rdataset)) { dns_rdata_t myrdata = DNS_RDATA_INIT; dns_rdataset_current(&rdataset, &myrdata); - if (!dns_rdata_compare(&myrdata, rdata)) + if (!dns_rdata_casecompare(&myrdata, rdata)) break; } dns_rdataset_disassociate(&rdataset); @@ -2961,7 +2952,9 @@ rr_exists(dns_db_t *db, dns_dbversion_t *ver, dns_name_t *name, } static isc_result_t -get_iterations(dns_db_t *db, dns_dbversion_t *ver, unsigned int *iterationsp) { +get_iterations(dns_db_t *db, dns_dbversion_t *ver, dns_rdatatype_t privatetype, + unsigned int *iterationsp) +{ dns_dbnode_t *node = NULL; dns_rdata_nsec3param_t nsec3param; dns_rdataset_t rdataset; @@ -2975,7 +2968,33 @@ get_iterations(dns_db_t *db, dns_dbversion_t *ver, unsigned int *iterationsp) { return (result); result = dns_db_findrdataset(db, node, ver, dns_rdatatype_nsec3param, 0, (isc_stdtime_t) 0, &rdataset, NULL); - dns_db_detachnode(db, &node); + if (result == ISC_R_NOTFOUND) + goto try_private; + if (result != ISC_R_SUCCESS) + goto failure; + + for (result = dns_rdataset_first(&rdataset); + result == ISC_R_SUCCESS; + result = dns_rdataset_next(&rdataset)) { + dns_rdata_t rdata = DNS_RDATA_INIT; + dns_rdataset_current(&rdataset, &rdata); + CHECK(dns_rdata_tostruct(&rdata, &nsec3param, NULL)); + if ((nsec3param.flags & DNS_NSEC3FLAG_REMOVE) != 0) + continue; + if (nsec3param.iterations > iterations) + iterations = nsec3param.iterations; + } + if (result != ISC_R_NOMORE) + goto failure; + + dns_rdataset_disassociate(&rdataset); + + try_private: + if (privatetype == 0) + goto success; + + result = dns_db_findrdataset(db, node, ver, privatetype, + 0, (isc_stdtime_t) 0, &rdataset, NULL); if (result == ISC_R_NOTFOUND) goto success; if (result != ISC_R_SUCCESS) @@ -2984,8 +3003,14 @@ get_iterations(dns_db_t *db, dns_dbversion_t *ver, unsigned int *iterationsp) { for (result = dns_rdataset_first(&rdataset); result == ISC_R_SUCCESS; result = dns_rdataset_next(&rdataset)) { + unsigned char buf[DNS_NSEC3PARAM_BUFFERSIZE]; + dns_rdata_t private = DNS_RDATA_INIT; dns_rdata_t rdata = DNS_RDATA_INIT; + dns_rdataset_current(&rdataset, &rdata); + if (!dns_nsec3param_fromprivate(&private, &rdata, + buf, sizeof(buf))) + continue; CHECK(dns_rdata_tostruct(&rdata, &nsec3param, NULL)); if ((nsec3param.flags & DNS_NSEC3FLAG_REMOVE) != 0) continue; @@ -3000,6 +3025,8 @@ get_iterations(dns_db_t *db, dns_dbversion_t *ver, unsigned int *iterationsp) { result = ISC_R_SUCCESS; failure: + if (node != NULL) + dns_db_detachnode(db, &node); if (dns_rdataset_isassociated(&rdataset)) dns_rdataset_disassociate(&rdataset); return (result); @@ -3013,77 +3040,83 @@ static isc_result_t check_dnssec(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, dns_dbversion_t *ver, dns_diff_t *diff) { - dns_diff_t temp_diff; - dns_diffop_t op; - dns_difftuple_t *tuple, *newtuple = NULL, *next; - isc_boolean_t flag; + dns_difftuple_t *tuple; + isc_boolean_t nseconly = ISC_FALSE, nsec3 = ISC_FALSE; isc_result_t result; unsigned int iterations = 0, max; + dns_rdatatype_t privatetype = dns_zone_getprivatetype(zone); - dns_diff_init(diff->mctx, &temp_diff); - - CHECK(dns_nsec_nseconly(db, ver, &flag)); + /* Scan the tuples for an NSEC-only DNSKEY or an NSEC3PARAM */ + for (tuple = ISC_LIST_HEAD(diff->tuples); + tuple != NULL; + tuple = ISC_LIST_NEXT(tuple, link)) { + if (tuple->op != DNS_DIFFOP_ADD) + continue; - if (flag) - CHECK(dns_nsec3_active(db, ver, ISC_FALSE, &flag)); - if (flag) { - update_log(client, zone, ISC_LOG_WARNING, - "NSEC only DNSKEYs and NSEC3 chains not allowed"); - } else { - CHECK(get_iterations(db, ver, &iterations)); - CHECK(dns_nsec3_maxiterations(db, ver, client->mctx, &max)); - if (max != 0 && iterations > max) { - flag = ISC_TRUE; - update_log(client, zone, ISC_LOG_WARNING, - "too many NSEC3 iterations (%u) for " - "weakest DNSKEY (%u)", iterations, max); + if (tuple->rdata.type == dns_rdatatype_dnskey) { + isc_uint8_t alg; + alg = tuple->rdata.data[3]; + if (alg == DST_ALG_RSAMD5 || alg == DST_ALG_RSASHA1 || + alg == DST_ALG_DSA || alg == DST_ALG_ECC) { + nseconly = ISC_TRUE; + break; + } + } else if (tuple->rdata.type == dns_rdatatype_nsec3param) { + nsec3 = ISC_TRUE; + break; } } - if (flag) { - for (tuple = ISC_LIST_HEAD(diff->tuples); - tuple != NULL; - tuple = next) { - next = ISC_LIST_NEXT(tuple, link); - if (tuple->rdata.type != dns_rdatatype_dnskey && - tuple->rdata.type != dns_rdatatype_nsec3param) - continue; - op = (tuple->op == DNS_DIFFOP_DEL) ? - DNS_DIFFOP_ADD : DNS_DIFFOP_DEL; - CHECK(dns_difftuple_create(temp_diff.mctx, op, - &tuple->name, tuple->ttl, - &tuple->rdata, &newtuple)); - CHECK(do_one_tuple(&newtuple, db, ver, &temp_diff)); - INSIST(newtuple == NULL); - } - for (tuple = ISC_LIST_HEAD(temp_diff.tuples); - tuple != NULL; - tuple = ISC_LIST_HEAD(temp_diff.tuples)) { - ISC_LIST_UNLINK(temp_diff.tuples, tuple, link); - dns_diff_appendminimal(diff, &tuple); - } + + /* Check existing DB for NSEC-only DNSKEY */ + if (!nseconly) + CHECK(dns_nsec_nseconly(db, ver, &nseconly)); + + /* Check existing DB for NSEC3 */ + if (!nsec3) + CHECK(dns_nsec3_activex(db, ver, ISC_FALSE, + privatetype, &nsec3)); + + /* Refuse to allow NSEC3 with NSEC-only keys */ + if (nseconly && nsec3) { + update_log(client, zone, ISC_LOG_ERROR, + "NSEC only DNSKEYs and NSEC3 chains not allowed"); + result = DNS_R_REFUSED; + goto failure; } + /* Verify NSEC3 params */ + CHECK(get_iterations(db, ver, privatetype, &iterations)); + CHECK(dns_nsec3_maxiterations(db, ver, client->mctx, &max)); + if (max != 0 && iterations > max) { + update_log(client, zone, ISC_LOG_ERROR, + "too many NSEC3 iterations (%u) for " + "weakest DNSKEY (%u)", iterations, max); + result = DNS_R_REFUSED; + goto failure; + } failure: - dns_diff_clear(&temp_diff); return (result); } -#ifdef ALLOW_NSEC3PARAM_UPDATE /* * Delay NSEC3PARAM changes as they need to be applied to the whole zone. */ static isc_result_t add_nsec3param_records(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, - dns_name_t *name, dns_dbversion_t *ver, dns_diff_t *diff) + dns_dbversion_t *ver, dns_diff_t *diff) { isc_result_t result = ISC_R_SUCCESS; dns_difftuple_t *tuple, *newtuple = NULL, *next; dns_rdata_t rdata = DNS_RDATA_INIT; - unsigned char buf[DNS_NSEC3PARAM_BUFFERSIZE]; + unsigned char buf[DNS_NSEC3PARAM_BUFFERSIZE + 1]; dns_diff_t temp_diff; dns_diffop_t op; isc_boolean_t flag; + dns_name_t *name = dns_zone_getorigin(zone); + dns_rdatatype_t privatetype = dns_zone_getprivatetype(zone); + isc_uint32_t ttl = 0; + isc_boolean_t ttl_good = ISC_FALSE; update_log(client, zone, ISC_LOG_DEBUG(3), "checking for NSEC3PARAM changes"); @@ -3106,55 +3139,143 @@ add_nsec3param_records(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, ISC_LIST_APPEND(temp_diff.tuples, tuple, link); } + /* + * Extract TTL changes pairs, we don't need to convert these to + * delayed changes. + */ for (tuple = ISC_LIST_HEAD(temp_diff.tuples); tuple != NULL; tuple = next) { - if (tuple->op == DNS_DIFFOP_ADD) { + if (!ttl_good) { + /* + * Any adds here will contain the final + * NSEC3PARAM RRset TTL. + */ + ttl = tuple->ttl; + ttl_good = ISC_TRUE; + } + /* + * Walk the temp_diff list looking for the + * corresponding delete. + */ + next = ISC_LIST_HEAD(temp_diff.tuples); + while (next != NULL) { + unsigned char *next_data = next->rdata.data; + unsigned char *tuple_data = tuple->rdata.data; + if (next->op == DNS_DIFFOP_DEL && + next->rdata.length == tuple->rdata.length && + !memcmp(next_data, tuple_data, + next->rdata.length)) { + ISC_LIST_UNLINK(temp_diff.tuples, next, + link); + ISC_LIST_APPEND(diff->tuples, next, + link); + break; + } + next = ISC_LIST_NEXT(next, link); + } + /* + * If we have not found a pair move onto the next + * tuple. + */ + if (next == NULL) { + next = ISC_LIST_NEXT(tuple, link); + continue; + } + /* + * Find the next tuple to be processed before + * unlinking then complete moving the pair to 'diff'. + */ + next = ISC_LIST_NEXT(tuple, link); + ISC_LIST_UNLINK(temp_diff.tuples, tuple, link); + ISC_LIST_APPEND(diff->tuples, tuple, link); + } else next = ISC_LIST_NEXT(tuple, link); + } + + /* + * Preserve any ongoing changes from a BIND 9.6.x upgrade. + * + * Any NSEC3PARAM records with flags other than OPTOUT named + * in managing and should not be touched so revert such changes + * taking into account any TTL change of the NSEC3PARAM RRset. + */ + for (tuple = ISC_LIST_HEAD(temp_diff.tuples); + tuple != NULL; tuple = next) { + next = ISC_LIST_NEXT(tuple, link); + if ((tuple->rdata.data[1] & ~DNS_NSEC3FLAG_OPTOUT) != 0) { + /* + * If we havn't had any adds then the tuple->ttl must + * be the original ttl and should be used for any + * future changes. + */ + if (!ttl_good) { + ttl = tuple->ttl; + ttl_good = ISC_TRUE; + } + op = (tuple->op == DNS_DIFFOP_DEL) ? + DNS_DIFFOP_ADD : DNS_DIFFOP_DEL; + CHECK(dns_difftuple_create(diff->mctx, op, name, + ttl, &tuple->rdata, + &newtuple)); + CHECK(do_one_tuple(&newtuple, db, ver, diff)); + ISC_LIST_UNLINK(temp_diff.tuples, tuple, link); + dns_diff_appendminimal(diff, &tuple); + } + } + + /* + * We now have just the actual changes to the NSEC3PARAM RRset. + * Convert the adds to delayed adds and the deletions into delayed + * deletions. + */ + for (tuple = ISC_LIST_HEAD(temp_diff.tuples); + tuple != NULL; tuple = next) { + /* + * If we havn't had any adds then the tuple->ttl must be the + * original ttl and should be used for any future changes. + */ + if (!ttl_good) { + ttl = tuple->ttl; + ttl_good = ISC_TRUE; + } + if (tuple->op == DNS_DIFFOP_ADD) { + /* + * Look for any deletes which match this ADD ignoring + * OPTOUT. We don't need to explictly remove them as + * they will be removed a side effect of processing + * the add. + */ + next = ISC_LIST_HEAD(temp_diff.tuples); while (next != NULL) { unsigned char *next_data = next->rdata.data; unsigned char *tuple_data = tuple->rdata.data; - if (next_data[0] != tuple_data[0] || - /* Ignore flags. */ + if (next->op != DNS_DIFFOP_DEL || + next->rdata.length != tuple->rdata.length || + next_data[0] != tuple_data[0] || next_data[2] != tuple_data[2] || next_data[3] != tuple_data[3] || - next_data[4] != tuple_data[4] || - !memcmp(&next_data[5], &tuple_data[5], - tuple_data[4])) { + memcmp(next_data + 4, tuple_data + 4, + tuple->rdata.length - 4)) { next = ISC_LIST_NEXT(next, link); continue; } - op = (next->op == DNS_DIFFOP_DEL) ? - DNS_DIFFOP_ADD : DNS_DIFFOP_DEL; - CHECK(dns_difftuple_create(diff->mctx, op, - name, next->ttl, - &next->rdata, - &newtuple)); - CHECK(do_one_tuple(&newtuple, db, ver, diff)); ISC_LIST_UNLINK(temp_diff.tuples, next, link); - dns_diff_appendminimal(diff, &next); - next = ISC_LIST_NEXT(tuple, link); + ISC_LIST_APPEND(diff->tuples, next, link); + next = ISC_LIST_HEAD(temp_diff.tuples); } - - INSIST(tuple->rdata.data[1] & DNS_NSEC3FLAG_UPDATE); - /* * See if we already have a CREATE request in progress. */ - dns_rdata_clone(&tuple->rdata, &rdata); - INSIST(rdata.length <= sizeof(buf)); - memcpy(buf, rdata.data, rdata.length); - buf[1] |= DNS_NSEC3FLAG_CREATE; - buf[1] &= ~DNS_NSEC3FLAG_UPDATE; - rdata.data = buf; - + dns_nsec3param_toprivate(&tuple->rdata, &rdata, + privatetype, buf, sizeof(buf)); + buf[2] |= DNS_NSEC3FLAG_CREATE; CHECK(rr_exists(db, ver, name, &rdata, &flag)); if (!flag) { CHECK(dns_difftuple_create(diff->mctx, DNS_DIFFOP_ADD, - name, tuple->ttl, - &rdata, + name, 0, &rdata, &newtuple)); CHECK(do_one_tuple(&newtuple, db, ver, diff)); } @@ -3164,26 +3285,26 @@ add_nsec3param_records(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, * otherwise indentical chain with a reversed * OPTOUT state. */ - buf[1] ^= DNS_NSEC3FLAG_OPTOUT; + buf[2] ^= DNS_NSEC3FLAG_OPTOUT; CHECK(rr_exists(db, ver, name, &rdata, &flag)); if (flag) { CHECK(dns_difftuple_create(diff->mctx, DNS_DIFFOP_DEL, - name, tuple->ttl, - &rdata, + name, 0, &rdata, &newtuple)); CHECK(do_one_tuple(&newtuple, db, ver, diff)); } /* - * Remove the temporary add record. + * Find the next tuple to be processed and remove the + * temporary add record. */ + next = ISC_LIST_NEXT(tuple, link); CHECK(dns_difftuple_create(diff->mctx, DNS_DIFFOP_DEL, - name, tuple->ttl, - &tuple->rdata, &newtuple)); + name, ttl, &tuple->rdata, + &newtuple)); CHECK(do_one_tuple(&newtuple, db, ver, diff)); - next = ISC_LIST_NEXT(tuple, link); ISC_LIST_UNLINK(temp_diff.tuples, tuple, link); dns_diff_appendminimal(diff, &tuple); dns_rdata_reset(&rdata); @@ -3191,50 +3312,33 @@ add_nsec3param_records(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, next = ISC_LIST_NEXT(tuple, link); } - /* - * Reverse any pending changes. - */ for (tuple = ISC_LIST_HEAD(temp_diff.tuples); tuple != NULL; tuple = next) { - next = ISC_LIST_NEXT(tuple, link); - if ((tuple->rdata.data[1] & ~DNS_NSEC3FLAG_OPTOUT) != 0) { - op = (tuple->op == DNS_DIFFOP_DEL) ? - DNS_DIFFOP_ADD : DNS_DIFFOP_DEL; - CHECK(dns_difftuple_create(diff->mctx, op, name, - tuple->ttl, &tuple->rdata, - &newtuple)); - CHECK(do_one_tuple(&newtuple, db, ver, diff)); - ISC_LIST_UNLINK(temp_diff.tuples, tuple, link); - dns_diff_appendminimal(diff, &tuple); - } - } - /* - * Convert deletions into delayed deletions. - */ - for (tuple = ISC_LIST_HEAD(temp_diff.tuples); - tuple != NULL; tuple = next) { + INSIST(ttl_good); + next = ISC_LIST_NEXT(tuple, link); /* * See if we already have a REMOVE request in progress. */ - dns_rdata_clone(&tuple->rdata, &rdata); - INSIST(rdata.length <= sizeof(buf)); - memcpy(buf, rdata.data, rdata.length); - buf[1] |= DNS_NSEC3FLAG_REMOVE; - rdata.data = buf; + dns_nsec3param_toprivate(&tuple->rdata, &rdata, privatetype, + buf, sizeof(buf)); + + buf[2] |= DNS_NSEC3FLAG_REMOVE | DNS_NSEC3FLAG_NONSEC; CHECK(rr_exists(db, ver, name, &rdata, &flag)); + if (!flag) { + buf[2] &= ~DNS_NSEC3FLAG_NONSEC; + CHECK(rr_exists(db, ver, name, &rdata, &flag)); + } if (!flag) { CHECK(dns_difftuple_create(diff->mctx, DNS_DIFFOP_ADD, - name, tuple->ttl, &rdata, - &newtuple)); + name, 0, &rdata, &newtuple)); CHECK(do_one_tuple(&newtuple, db, ver, diff)); } CHECK(dns_difftuple_create(diff->mctx, DNS_DIFFOP_ADD, name, - tuple->ttl, &tuple->rdata, - &newtuple)); + ttl, &tuple->rdata, &newtuple)); CHECK(do_one_tuple(&newtuple, db, ver, diff)); ISC_LIST_UNLINK(temp_diff.tuples, tuple, link); dns_diff_appendminimal(diff, &tuple); @@ -3246,17 +3350,75 @@ add_nsec3param_records(ns_client_t *client, dns_zone_t *zone, dns_db_t *db, dns_diff_clear(&temp_diff); return (result); } -#endif + +static isc_result_t +rollback_private(dns_db_t *db, dns_rdatatype_t privatetype, + dns_dbversion_t *ver, dns_diff_t *diff) +{ + dns_diff_t temp_diff; + dns_diffop_t op; + dns_difftuple_t *tuple, *newtuple = NULL, *next; + dns_name_t *name = dns_db_origin(db); + isc_mem_t *mctx = diff->mctx; + isc_result_t result; + + if (privatetype == 0) + return (ISC_R_SUCCESS); + + dns_diff_init(mctx, &temp_diff); + + /* + * Extract the changes to be rolled back. + */ + for (tuple = ISC_LIST_HEAD(diff->tuples); + tuple != NULL; tuple = next) { + + next = ISC_LIST_NEXT(tuple, link); + + if (tuple->rdata.type != privatetype || + !dns_name_equal(name, &tuple->name)) + continue; + + /* + * Allow records which indicate that a zone has been + * signed with a DNSKEY to be be removed. + */ + if (tuple->op == DNS_DIFFOP_DEL && + tuple->rdata.length == 5 && + tuple->rdata.data[0] != 0 && + tuple->rdata.data[4] != 0) + continue; + + ISC_LIST_UNLINK(diff->tuples, tuple, link); + ISC_LIST_PREPEND(temp_diff.tuples, tuple, link); + } + + /* + * Rollback the changes. + */ + while ((tuple = ISC_LIST_HEAD(temp_diff.tuples)) != NULL) { + op = (tuple->op == DNS_DIFFOP_DEL) ? + DNS_DIFFOP_ADD : DNS_DIFFOP_DEL; + CHECK(dns_difftuple_create(mctx, op, name, tuple->ttl, + &tuple->rdata, &newtuple)); + CHECK(do_one_tuple(&newtuple, db, ver, &temp_diff)); + } + result = ISC_R_SUCCESS; + + failure: + dns_diff_clear(&temp_diff); + return (result); +} /* * Add records to cause the delayed signing of the zone by added DNSKEY * to remove the RRSIG records generated by a deleted DNSKEY. */ static isc_result_t -add_signing_records(dns_db_t *db, dns_name_t *name, dns_dbversion_t *ver, - dns_rdatatype_t privatetype, dns_diff_t *diff) +add_signing_records(dns_db_t *db, dns_rdatatype_t privatetype, + dns_dbversion_t *ver, dns_diff_t *diff) { - dns_difftuple_t *tuple, *newtuple = NULL; + dns_difftuple_t *tuple, *newtuple = NULL, *next; dns_rdata_dnskey_t dnskey; dns_rdata_t rdata = DNS_RDATA_INIT; isc_boolean_t flag; @@ -3264,13 +3426,82 @@ add_signing_records(dns_db_t *db, dns_name_t *name, dns_dbversion_t *ver, isc_result_t result = ISC_R_SUCCESS; isc_uint16_t keyid; unsigned char buf[5]; + dns_name_t *name = dns_db_origin(db); + dns_diff_t temp_diff; + + dns_diff_init(diff->mctx, &temp_diff); + /* + * Extract the DNSKEY tuples from the list. + */ for (tuple = ISC_LIST_HEAD(diff->tuples); - tuple != NULL; - tuple = ISC_LIST_NEXT(tuple, link)) { + tuple != NULL; tuple = next) { + + next = ISC_LIST_NEXT(tuple, link); + if (tuple->rdata.type != dns_rdatatype_dnskey) continue; + ISC_LIST_UNLINK(diff->tuples, tuple, link); + ISC_LIST_APPEND(temp_diff.tuples, tuple, link); + } + + /* + * Extract TTL changes pairs, we don't need signing records for these. + */ + for (tuple = ISC_LIST_HEAD(temp_diff.tuples); + tuple != NULL; tuple = next) { + if (tuple->op == DNS_DIFFOP_ADD) { + /* + * Walk the temp_diff list looking for the + * corresponding delete. + */ + next = ISC_LIST_HEAD(temp_diff.tuples); + while (next != NULL) { + unsigned char *next_data = next->rdata.data; + unsigned char *tuple_data = tuple->rdata.data; + if (next->op == DNS_DIFFOP_DEL && + dns_name_equal(&tuple->name, &next->name) && + next->rdata.length == tuple->rdata.length && + !memcmp(next_data, tuple_data, + next->rdata.length)) { + ISC_LIST_UNLINK(temp_diff.tuples, next, + link); + ISC_LIST_APPEND(diff->tuples, next, + link); + break; + } + next = ISC_LIST_NEXT(next, link); + } + /* + * If we have not found a pair move onto the next + * tuple. + */ + if (next == NULL) { + next = ISC_LIST_NEXT(tuple, link); + continue; + } + /* + * Find the next tuple to be processed before + * unlinking then complete moving the pair to 'diff'. + */ + next = ISC_LIST_NEXT(tuple, link); + ISC_LIST_UNLINK(temp_diff.tuples, tuple, link); + ISC_LIST_APPEND(diff->tuples, tuple, link); + } else + next = ISC_LIST_NEXT(tuple, link); + } + + /* + * Process the remaining DNSKEY entries. + */ + for (tuple = ISC_LIST_HEAD(temp_diff.tuples); + tuple != NULL; + tuple = ISC_LIST_HEAD(temp_diff.tuples)) { + + ISC_LIST_UNLINK(temp_diff.tuples, tuple, link); + ISC_LIST_APPEND(diff->tuples, tuple, link); + dns_rdata_tostruct(&tuple->rdata, &dnskey, NULL); if ((dnskey.flags & (DNS_KEYFLAG_OWNERMASK|DNS_KEYTYPE_NOAUTH)) @@ -3278,6 +3509,7 @@ add_signing_records(dns_db_t *db, dns_name_t *name, dns_dbversion_t *ver, continue; dns_rdata_toregion(&tuple->rdata, &r); + keyid = dst_region_computeid(&r, dnskey.algorithm); buf[0] = dnskey.algorithm; @@ -3310,87 +3542,25 @@ add_signing_records(dns_db_t *db, dns_name_t *name, dns_dbversion_t *ver, INSIST(newtuple == NULL); } } + failure: + dns_diff_clear(&temp_diff); return (result); } -#ifdef ALLOW_NSEC3PARAM_UPDATE -/* - * Mark all NSEC3 chains for deletion without creating a NSEC chain as - * a side effect of deleting the last chain. - */ -static isc_result_t -delete_chains(dns_db_t *db, dns_dbversion_t *ver, dns_name_t *origin, - dns_diff_t *diff) -{ - dns_dbnode_t *node = NULL; - dns_difftuple_t *tuple = NULL; - dns_name_t next; - dns_rdata_t rdata = DNS_RDATA_INIT; - dns_rdataset_t rdataset; - isc_boolean_t flag; - isc_result_t result = ISC_R_SUCCESS; - unsigned char buf[DNS_NSEC3PARAM_BUFFERSIZE]; - - dns_name_init(&next, NULL); - dns_rdataset_init(&rdataset); - - result = dns_db_getoriginnode(db, &node); - if (result != ISC_R_SUCCESS) - return (result); - - /* - * Cause all NSEC3 chains to be deleted. - */ - result = dns_db_findrdataset(db, node, ver, dns_rdatatype_nsec3param, - 0, (isc_stdtime_t) 0, &rdataset, NULL); - if (result == ISC_R_NOTFOUND) - goto success; - if (result != ISC_R_SUCCESS) - goto failure; - - for (result = dns_rdataset_first(&rdataset); - result == ISC_R_SUCCESS; - result = dns_rdataset_next(&rdataset)) { - dns_rdataset_current(&rdataset, &rdata); - INSIST(rdata.length <= sizeof(buf)); - memcpy(buf, rdata.data, rdata.length); - - if (buf[1] == (DNS_NSEC3FLAG_REMOVE | DNS_NSEC3FLAG_NONSEC)) { - dns_rdata_reset(&rdata); - continue; - } - - CHECK(dns_difftuple_create(diff->mctx, DNS_DIFFOP_DEL, - origin, 0, &rdata, &tuple)); - CHECK(do_one_tuple(&tuple, db, ver, diff)); - INSIST(tuple == NULL); - - buf[1] = DNS_NSEC3FLAG_REMOVE | DNS_NSEC3FLAG_NONSEC; - rdata.data = buf; - - CHECK(rr_exists(db, ver, origin, &rdata, &flag)); +static isc_boolean_t +isdnssec(dns_db_t *db, dns_dbversion_t *ver, dns_rdatatype_t privatetype) { + isc_result_t result; + isc_boolean_t build_nsec, build_nsec3; - if (!flag) { - CHECK(dns_difftuple_create(diff->mctx, DNS_DIFFOP_ADD, - origin, 0, &rdata, &tuple)); - CHECK(do_one_tuple(&tuple, db, ver, diff)); - INSIST(tuple == NULL); - } - dns_rdata_reset(&rdata); - } - if (result != ISC_R_NOMORE) - goto failure; - success: - result = ISC_R_SUCCESS; + if (dns_db_issecure(db)) + return (ISC_TRUE); - failure: - if (dns_rdataset_isassociated(&rdataset)) - dns_rdataset_disassociate(&rdataset); - dns_db_detachnode(db, &node); - return (result); + result = dns_private_chains(db, ver, privatetype, + &build_nsec, &build_nsec3); + RUNTIME_CHECK(result == ISC_R_SUCCESS); + return (build_nsec || build_nsec3); } -#endif static void update_action(isc_task_t *task, isc_event_t *event) { @@ -3414,15 +3584,10 @@ update_action(isc_task_t *task, isc_event_t *event) { dns_fixedname_t tmpnamefixed; dns_name_t *tmpname = NULL; unsigned int options; - isc_boolean_t deleted_zsk; dns_difftuple_t *tuple; dns_rdata_dnskey_t dnskey; -#ifdef ALLOW_NSEC3PARAM_UPDATE - unsigned char buf[DNS_NSEC3PARAM_BUFFERSIZE]; -#endif -#if !defined(ALLOW_SECURE_TO_INSECURE) || !defined(ALLOW_INSECURE_TO_SECURE) isc_boolean_t had_dnskey; -#endif + dns_rdatatype_t privatetype = dns_zone_getprivatetype(zone); INSIST(event->ev_type == DNS_EVENT_UPDATE); @@ -3433,6 +3598,18 @@ update_action(isc_task_t *task, isc_event_t *event) { zonename = dns_db_origin(db); zoneclass = dns_db_class(db); dns_zone_getssutable(zone, &ssutable); + + /* + * Update message processing can leak record existance information + * so check that we are allowed to query this zone. Additionally + * if we would refuse all updates for this zone we bail out here. + */ + CHECK(checkqueryacl(client, dns_zone_getqueryacl(zone), zonename, + dns_zone_getupdateacl(zone), ssutable)); + + /* + * Get old and new versions now that queryacl has been checked. + */ dns_db_currentversion(db, &oldver); CHECK(dns_db_newversion(db, &ver)); @@ -3525,7 +3702,6 @@ update_action(isc_task_t *task, isc_event_t *event) { if (result != ISC_R_NOMORE) FAIL(result); - /* * Perform the final check of the "rrset exists (value dependent)" * prerequisites. @@ -3619,31 +3795,31 @@ update_action(isc_task_t *task, isc_event_t *event) { update_class); FAIL(DNS_R_FORMERR); } + /* * draft-ietf-dnsind-simple-secure-update-01 says * "Unlike traditional dynamic update, the client * is forbidden from updating NSEC records." */ - if (dns_db_issecure(db)) { - if (rdata.type == dns_rdatatype_nsec3) { - FAILC(DNS_R_REFUSED, - "explicit NSEC3 updates are not allowed " - "in secure zones"); - } else if (rdata.type == dns_rdatatype_nsec) { - FAILC(DNS_R_REFUSED, - "explicit NSEC updates are not allowed " - "in secure zones"); - } else if (rdata.type == dns_rdatatype_rrsig && - !dns_name_equal(name, zonename)) { - FAILC(DNS_R_REFUSED, - "explicit RRSIG updates are currently " - "not supported in secure zones except " - "at the apex"); - } + if (rdata.type == dns_rdatatype_nsec3) { + FAILC(DNS_R_REFUSED, + "explicit NSEC3 updates are not allowed " + "in secure zones"); + } else if (rdata.type == dns_rdatatype_nsec) { + FAILC(DNS_R_REFUSED, + "explicit NSEC updates are not allowed " + "in secure zones"); + } else if (rdata.type == dns_rdatatype_rrsig && + !dns_name_equal(name, zonename)) { + FAILC(DNS_R_REFUSED, + "explicit RRSIG updates are currently " + "not supported in secure zones except " + "at the apex"); } if (ssutable != NULL) { isc_netaddr_t *tcpaddr, netaddr; + dst_key_t *tsigkey = NULL; /* * If this is a TCP connection then pass the * address of the client through for tcp-self @@ -3656,16 +3832,22 @@ update_action(isc_task_t *task, isc_event_t *event) { tcpaddr = &netaddr; } else tcpaddr = NULL; + + if (client->message->tsigkey != NULL) + tsigkey = client->message->tsigkey->key; + if (rdata.type != dns_rdatatype_any) { if (!dns_ssutable_checkrules(ssutable, client->signer, name, tcpaddr, - rdata.type)) + rdata.type, + tsigkey)) FAILC(DNS_R_REFUSED, "rejected by secure update"); } else { if (!ssu_checkall(db, ver, name, ssutable, - client->signer, tcpaddr)) + client->signer, tcpaddr, + tsigkey)) FAILC(DNS_R_REFUSED, "rejected by secure update"); } @@ -3774,7 +3956,14 @@ update_action(isc_task_t *task, isc_event_t *event) { soa_serial_changed = ISC_TRUE; } -#ifdef ALLOW_NSEC3PARAM_UPDATE + if (rdata.type == privatetype) { + update_log(client, zone, LOGLEVEL_PROTOCOL, + "attempt to add a private type " + "(%u) record rejected internal " + "use only", privatetype); + continue; + } + if (rdata.type == dns_rdatatype_nsec3param) { /* * Ignore attempts to add NSEC3PARAM records @@ -3788,27 +3977,7 @@ update_action(isc_task_t *task, isc_event_t *event) { "flag"); continue; } - - /* - * Set the NSEC3CHAIN creation flag. - */ - INSIST(rdata.length <= sizeof(buf)); - memcpy(buf, rdata.data, rdata.length); - buf[1] |= DNS_NSEC3FLAG_UPDATE; - rdata.data = buf; - /* - * Force the TTL to zero for NSEC3PARAM records. - */ - ttl = 0; } -#else - if (rdata.type == dns_rdatatype_nsec3param) { - update_log(client, zone, LOGLEVEL_PROTOCOL, - "attempt to add NSEC3PARAM " - "record ignored"); - continue; - }; -#endif if ((options & DNS_ZONEOPT_CHECKWILDCARD) != 0 && dns_name_internalwildcard(name)) { @@ -3885,13 +4054,6 @@ update_action(isc_task_t *task, isc_event_t *event) { dns_rdatatype_any, 0, &rdata, &diff)); } -#ifndef ALLOW_NSEC3PARAM_UPDATE - } else if (rdata.type == dns_rdatatype_nsec3param) { - update_log(client, zone, LOGLEVEL_PROTOCOL, - "attempt to delete a NSEC3PARAM " - "records ignored"); - continue; -#endif } else if (dns_name_equal(name, zonename) && (rdata.type == dns_rdatatype_soa || rdata.type == dns_rdatatype_ns)) { @@ -3920,6 +4082,9 @@ update_action(isc_task_t *task, isc_event_t *event) { &diff)); } } else if (update_class == dns_rdataclass_none) { + char namestr[DNS_NAME_FORMATSIZE]; + char typestr[DNS_RDATATYPE_FORMATSIZE]; + /* * The (name == zonename) condition appears in * RFC2136 3.4.2.4 but is missing from the pseudocode. @@ -3947,11 +4112,13 @@ update_action(isc_task_t *task, isc_event_t *event) { } } } - update_log(client, zone, - LOGLEVEL_PROTOCOL, - "deleting an RR"); - CHECK(delete_if(rr_equal_p, db, ver, name, - rdata.type, covers, &rdata, &diff)); + dns_name_format(name, namestr, sizeof(namestr)); + dns_rdatatype_format(rdata.type, typestr, + sizeof(typestr)); + update_log(client, zone, LOGLEVEL_PROTOCOL, + "deleting an RR at %s %s", namestr, typestr); + CHECK(delete_if(rr_equal_p, db, ver, name, rdata.type, + covers, &rdata, &diff)); } } if (result != ISC_R_NOMORE) @@ -3965,6 +4132,18 @@ update_action(isc_task_t *task, isc_event_t *event) { if (! ISC_LIST_EMPTY(diff.tuples)) CHECK(check_dnssec(client, zone, db, ver, &diff)); + if (! ISC_LIST_EMPTY(diff.tuples)) { + unsigned int errors = 0; + CHECK(dns_zone_nscheck(zone, db, ver, &errors)); + if (errors != 0) { + update_log(client, zone, LOGLEVEL_PROTOCOL, + "update rejected: post update name server " + "sanity check failed"); + result = DNS_R_REFUSED; + goto failure; + } + } + /* * If any changes were made, increment the SOA serial number, * update RRSIGs and NSECs (if zone is secure), and write the update @@ -3990,37 +4169,29 @@ update_action(isc_task_t *task, isc_event_t *event) { CHECK(rrset_exists(db, ver, zonename, dns_rdatatype_dnskey, 0, &has_dnskey)); -#if !defined(ALLOW_SECURE_TO_INSECURE) || !defined(ALLOW_INSECURE_TO_SECURE) - CHECK(rrset_exists(db, oldver, zonename, dns_rdatatype_dnskey, - 0, &had_dnskey)); +#define ALLOW_SECURE_TO_INSECURE(zone) \ + ((dns_zone_getoptions(zone) & DNS_ZONEOPT_SECURETOINSECURE) != 0) -#ifndef ALLOW_SECURE_TO_INSECURE - if (had_dnskey && !has_dnskey) { - update_log(client, zone, LOGLEVEL_PROTOCOL, - "update rejected: all DNSKEY records " - "removed"); - result = DNS_R_REFUSED; - goto failure; - } -#endif -#ifndef ALLOW_INSECURE_TO_SECURE - if (!had_dnskey && has_dnskey) { - update_log(client, zone, LOGLEVEL_PROTOCOL, - "update rejected: DNSKEY record added"); - result = DNS_R_REFUSED; - goto failure; + if (!ALLOW_SECURE_TO_INSECURE(zone)) { + CHECK(rrset_exists(db, oldver, zonename, + dns_rdatatype_dnskey, 0, + &had_dnskey)); + if (had_dnskey && !has_dnskey) { + update_log(client, zone, LOGLEVEL_PROTOCOL, + "update rejected: all DNSKEY " + "records removed and " + "'dnssec-secure-to-insecure' " + "not set"); + result = DNS_R_REFUSED; + goto failure; + } } -#endif -#endif - CHECK(add_signing_records(db, zonename, ver, - dns_zone_getprivatetype(zone), - &diff)); + CHECK(rollback_private(db, privatetype, ver, &diff)); + + CHECK(add_signing_records(db, privatetype, ver, &diff)); -#ifdef ALLOW_NSEC3PARAM_UPDATE - CHECK(add_nsec3param_records(client, zone, db, zonename, - ver, &diff)); -#endif + CHECK(add_nsec3param_records(client, zone, db, ver, &diff)); if (!has_dnskey) { /* @@ -4029,15 +4200,13 @@ update_action(isc_task_t *task, isc_event_t *event) { * the last signature for the DNSKEY records are * remove any NSEC chain present will also be removed. */ -#ifdef ALLOW_NSEC3PARAM_UPDATE - CHECK(delete_chains(db, ver, zonename, &diff)); -#endif - } else if (has_dnskey && dns_db_isdnssec(db)) { + CHECK(dns_nsec3param_deletechains(db, ver, zone, + &diff)); + } else if (has_dnskey && isdnssec(db, ver, privatetype)) { isc_uint32_t interval; interval = dns_zone_getsigvalidityinterval(zone); result = update_signatures(client, zone, db, oldver, - ver, &diff, interval, - &deleted_zsk); + ver, &diff, interval); if (result != ISC_R_SUCCESS) { update_log(client, zone, ISC_LOG_ERROR, @@ -4123,7 +4292,6 @@ update_action(isc_task_t *task, isc_event_t *event) { } } -#ifdef ALLOW_NSEC3PARAM_UPDATE /* * Cause the zone to add/delete NSEC3 chains for the * deferred NSEC3PARAM changes. @@ -4133,13 +4301,18 @@ update_action(isc_task_t *task, isc_event_t *event) { for (tuple = ISC_LIST_HEAD(diff.tuples); tuple != NULL; tuple = ISC_LIST_NEXT(tuple, link)) { + unsigned char buf[DNS_NSEC3PARAM_BUFFERSIZE]; + dns_rdata_t rdata = DNS_RDATA_INIT; dns_rdata_nsec3param_t nsec3param; - if (tuple->rdata.type != dns_rdatatype_nsec3param || + if (tuple->rdata.type != privatetype || tuple->op != DNS_DIFFOP_ADD) continue; - dns_rdata_tostruct(&tuple->rdata, &nsec3param, NULL); + if (!dns_nsec3param_fromprivate(&tuple->rdata, &rdata, + buf, sizeof(buf))) + continue; + dns_rdata_tostruct(&rdata, &nsec3param, NULL); if (nsec3param.flags == 0) continue; @@ -4150,7 +4323,6 @@ update_action(isc_task_t *task, isc_event_t *event) { dns_result_totext(result)); } } -#endif } else { update_log(client, zone, LOGLEVEL_DEBUG, "redundant request"); dns_db_closeversion(db, &ver, ISC_TRUE); diff --git a/bin/named/xfrout.c b/bin/named/xfrout.c index e61dc72..b036ed1 100644 --- a/bin/named/xfrout.c +++ b/bin/named/xfrout.c @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: xfrout.c,v 1.131.26.6 2010-05-27 23:48:18 tbox Exp $ */ +/* $Id: xfrout.c,v 1.139 2010-12-18 01:56:19 each Exp $ */ #include @@ -40,6 +40,7 @@ #include #include #include +#include #include #include #include @@ -112,43 +113,6 @@ } while (0) /**************************************************************************/ -/*% - * A db_rr_iterator_t is an iterator that iterates over an entire database, - * returning one RR at a time, in some arbitrary order. - */ - -typedef struct db_rr_iterator db_rr_iterator_t; - -/*% db_rr_iterator structure */ -struct db_rr_iterator { - isc_result_t result; - dns_db_t *db; - dns_dbiterator_t *dbit; - dns_dbversion_t *ver; - isc_stdtime_t now; - dns_dbnode_t *node; - dns_fixedname_t fixedname; - dns_rdatasetiter_t *rdatasetit; - dns_rdataset_t rdataset; - dns_rdata_t rdata; -}; - -static isc_result_t -db_rr_iterator_init(db_rr_iterator_t *it, dns_db_t *db, dns_dbversion_t *ver, - isc_stdtime_t now); - -static isc_result_t -db_rr_iterator_first(db_rr_iterator_t *it); - -static isc_result_t -db_rr_iterator_next(db_rr_iterator_t *it); - -static void -db_rr_iterator_current(db_rr_iterator_t *it, dns_name_t **name, - isc_uint32_t *ttl, dns_rdata_t **rdata); - -static void -db_rr_iterator_destroy(db_rr_iterator_t *it); static inline void inc_stats(dns_zone_t *zone, isc_statscounter_t counter) { @@ -160,145 +124,6 @@ inc_stats(dns_zone_t *zone, isc_statscounter_t counter) { } } -static isc_result_t -db_rr_iterator_init(db_rr_iterator_t *it, dns_db_t *db, dns_dbversion_t *ver, - isc_stdtime_t now) -{ - isc_result_t result; - it->db = db; - it->dbit = NULL; - it->ver = ver; - it->now = now; - it->node = NULL; - result = dns_db_createiterator(it->db, 0, &it->dbit); - if (result != ISC_R_SUCCESS) - return (result); - it->rdatasetit = NULL; - dns_rdata_init(&it->rdata); - dns_rdataset_init(&it->rdataset); - dns_fixedname_init(&it->fixedname); - INSIST(! dns_rdataset_isassociated(&it->rdataset)); - it->result = ISC_R_SUCCESS; - return (it->result); -} - -static isc_result_t -db_rr_iterator_first(db_rr_iterator_t *it) { - it->result = dns_dbiterator_first(it->dbit); - /* - * The top node may be empty when out of zone glue exists. - * Walk the tree to find the first node with data. - */ - while (it->result == ISC_R_SUCCESS) { - it->result = dns_dbiterator_current(it->dbit, &it->node, - dns_fixedname_name(&it->fixedname)); - if (it->result != ISC_R_SUCCESS) - return (it->result); - - it->result = dns_db_allrdatasets(it->db, it->node, - it->ver, it->now, - &it->rdatasetit); - if (it->result != ISC_R_SUCCESS) - return (it->result); - - it->result = dns_rdatasetiter_first(it->rdatasetit); - if (it->result != ISC_R_SUCCESS) { - /* - * This node is empty. Try next node. - */ - dns_rdatasetiter_destroy(&it->rdatasetit); - dns_db_detachnode(it->db, &it->node); - it->result = dns_dbiterator_next(it->dbit); - continue; - } - dns_rdatasetiter_current(it->rdatasetit, &it->rdataset); - it->rdataset.attributes |= DNS_RDATASETATTR_LOADORDER; - it->result = dns_rdataset_first(&it->rdataset); - return (it->result); - } - return (it->result); -} - - -static isc_result_t -db_rr_iterator_next(db_rr_iterator_t *it) { - if (it->result != ISC_R_SUCCESS) - return (it->result); - - INSIST(it->dbit != NULL); - INSIST(it->node != NULL); - INSIST(it->rdatasetit != NULL); - - it->result = dns_rdataset_next(&it->rdataset); - if (it->result == ISC_R_NOMORE) { - dns_rdataset_disassociate(&it->rdataset); - it->result = dns_rdatasetiter_next(it->rdatasetit); - /* - * The while loop body is executed more than once - * only when an empty dbnode needs to be skipped. - */ - while (it->result == ISC_R_NOMORE) { - dns_rdatasetiter_destroy(&it->rdatasetit); - dns_db_detachnode(it->db, &it->node); - it->result = dns_dbiterator_next(it->dbit); - if (it->result == ISC_R_NOMORE) { - /* We are at the end of the entire database. */ - return (it->result); - } - if (it->result != ISC_R_SUCCESS) - return (it->result); - it->result = dns_dbiterator_current(it->dbit, - &it->node, - dns_fixedname_name(&it->fixedname)); - if (it->result != ISC_R_SUCCESS) - return (it->result); - it->result = dns_db_allrdatasets(it->db, it->node, - it->ver, it->now, - &it->rdatasetit); - if (it->result != ISC_R_SUCCESS) - return (it->result); - it->result = dns_rdatasetiter_first(it->rdatasetit); - } - if (it->result != ISC_R_SUCCESS) - return (it->result); - dns_rdatasetiter_current(it->rdatasetit, &it->rdataset); - it->rdataset.attributes |= DNS_RDATASETATTR_LOADORDER; - it->result = dns_rdataset_first(&it->rdataset); - if (it->result != ISC_R_SUCCESS) - return (it->result); - } - return (it->result); -} - -static void -db_rr_iterator_pause(db_rr_iterator_t *it) { - RUNTIME_CHECK(dns_dbiterator_pause(it->dbit) == ISC_R_SUCCESS); -} - -static void -db_rr_iterator_destroy(db_rr_iterator_t *it) { - if (dns_rdataset_isassociated(&it->rdataset)) - dns_rdataset_disassociate(&it->rdataset); - if (it->rdatasetit != NULL) - dns_rdatasetiter_destroy(&it->rdatasetit); - if (it->node != NULL) - dns_db_detachnode(it->db, &it->node); - dns_dbiterator_destroy(&it->dbit); -} - -static void -db_rr_iterator_current(db_rr_iterator_t *it, dns_name_t **name, - isc_uint32_t *ttl, dns_rdata_t **rdata) -{ - REQUIRE(name != NULL && *name == NULL); - REQUIRE(it->result == ISC_R_SUCCESS); - *name = dns_fixedname_name(&it->fixedname); - *ttl = it->rdataset.ttl; - dns_rdata_reset(&it->rdata); - dns_rdataset_current(&it->rdataset, &it->rdata); - *rdata = &it->rdata; -} - /**************************************************************************/ /*% Log an RR (for debugging) */ @@ -488,7 +313,7 @@ static rrstream_methods_t ixfr_rrstream_methods = { typedef struct axfr_rrstream { rrstream_t common; - db_rr_iterator_t it; + dns_rriterator_t it; isc_boolean_t it_valid; } axfr_rrstream_t; @@ -516,7 +341,7 @@ axfr_rrstream_create(isc_mem_t *mctx, dns_db_t *db, dns_dbversion_t *ver, s->common.methods = &axfr_rrstream_methods; s->it_valid = ISC_FALSE; - CHECK(db_rr_iterator_init(&s->it, db, ver, 0)); + CHECK(dns_rriterator_init(&s->it, db, ver, 0)); s->it_valid = ISC_TRUE; *sp = (rrstream_t *) s; @@ -531,7 +356,7 @@ static isc_result_t axfr_rrstream_first(rrstream_t *rs) { axfr_rrstream_t *s = (axfr_rrstream_t *) rs; isc_result_t result; - result = db_rr_iterator_first(&s->it); + result = dns_rriterator_first(&s->it); if (result != ISC_R_SUCCESS) return (result); /* Skip SOA records. */ @@ -539,11 +364,11 @@ axfr_rrstream_first(rrstream_t *rs) { dns_name_t *name_dummy = NULL; isc_uint32_t ttl_dummy; dns_rdata_t *rdata = NULL; - db_rr_iterator_current(&s->it, &name_dummy, - &ttl_dummy, &rdata); + dns_rriterator_current(&s->it, &name_dummy, + &ttl_dummy, NULL, &rdata); if (rdata->type != dns_rdatatype_soa) break; - result = db_rr_iterator_next(&s->it); + result = dns_rriterator_next(&s->it); if (result != ISC_R_SUCCESS) break; } @@ -560,11 +385,11 @@ axfr_rrstream_next(rrstream_t *rs) { dns_name_t *name_dummy = NULL; isc_uint32_t ttl_dummy; dns_rdata_t *rdata = NULL; - result = db_rr_iterator_next(&s->it); + result = dns_rriterator_next(&s->it); if (result != ISC_R_SUCCESS) break; - db_rr_iterator_current(&s->it, &name_dummy, - &ttl_dummy, &rdata); + dns_rriterator_current(&s->it, &name_dummy, + &ttl_dummy, NULL, &rdata); if (rdata->type != dns_rdatatype_soa) break; } @@ -576,20 +401,20 @@ axfr_rrstream_current(rrstream_t *rs, dns_name_t **name, isc_uint32_t *ttl, dns_rdata_t **rdata) { axfr_rrstream_t *s = (axfr_rrstream_t *) rs; - db_rr_iterator_current(&s->it, name, ttl, rdata); + dns_rriterator_current(&s->it, name, ttl, NULL, rdata); } static void axfr_rrstream_pause(rrstream_t *rs) { axfr_rrstream_t *s = (axfr_rrstream_t *) rs; - db_rr_iterator_pause(&s->it); + dns_rriterator_pause(&s->it); } static void axfr_rrstream_destroy(rrstream_t **rsp) { axfr_rrstream_t *s = (axfr_rrstream_t *) *rsp; if (s->it_valid) - db_rr_iterator_destroy(&s->it); + dns_rriterator_destroy(&s->it); isc_mem_put(s->common.mctx, s, sizeof(*s)); } @@ -1038,6 +863,7 @@ ns_xfr_start(ns_client_t *client, dns_rdatatype_t reqtype) { switch(dns_zone_gettype(zone)) { case dns_zone_master: case dns_zone_slave: + case dns_zone_dlz: break; /* Master and slave zones are OK for transfer. */ default: FAILQ(DNS_R_NOTAUTH, "non-authoritative zone", question_name, question_class); diff --git a/bin/named/zoneconf.c b/bin/named/zoneconf.c index 367ddd3..eb93f1b 100644 --- a/bin/named/zoneconf.c +++ b/bin/named/zoneconf.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2009 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2011 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: zoneconf.c,v 1.147.50.2 2009-01-29 23:47:44 tbox Exp $ */ +/* $Id: zoneconf.c,v 1.170 2011-01-06 23:47:00 tbox Exp $ */ /*% */ @@ -30,10 +30,16 @@ #include #include +#include #include #include #include +#include #include +#include +#include +#include +#include #include #include #include @@ -55,16 +61,18 @@ typedef enum { allow_update_forwarding } acl_type_t; -/*% - * These are BIND9 server defaults, not necessarily identical to the - * library defaults defined in zone.c. - */ #define RETERR(x) do { \ isc_result_t _r = (x); \ if (_r != ISC_R_SUCCESS) \ return (_r); \ } while (0) +#define CHECK(x) do { \ + result = (x); \ + if (result != ISC_R_SUCCESS) \ + goto cleanup; \ + } while (0) + /*% * Convenience function for configuring a single zone ACL. */ @@ -133,8 +141,11 @@ configure_zone_acl(const cfg_obj_t *zconfig, const cfg_obj_t *vconfig, } /* Check for default ACLs that haven't been parsed yet */ - if (vconfig != NULL) - maps[i++] = cfg_tuple_get(vconfig, "options"); + if (vconfig != NULL) { + const cfg_obj_t *options = cfg_tuple_get(vconfig, "options"); + if (options != NULL) + maps[i++] = options; + } if (config != NULL) { const cfg_obj_t *options = NULL; (void)cfg_map_get(config, "options", &options); @@ -169,19 +180,29 @@ parse_acl: * Parse the zone update-policy statement. */ static isc_result_t -configure_zone_ssutable(const cfg_obj_t *zconfig, dns_zone_t *zone) { +configure_zone_ssutable(const cfg_obj_t *zconfig, dns_zone_t *zone, + const char *zname) +{ const cfg_obj_t *updatepolicy = NULL; const cfg_listelt_t *element, *element2; dns_ssutable_t *table = NULL; isc_mem_t *mctx = dns_zone_getmctx(zone); + isc_boolean_t autoddns = ISC_FALSE; isc_result_t result; (void)cfg_map_get(zconfig, "update-policy", &updatepolicy); + if (updatepolicy == NULL) { dns_zone_setssutable(zone, NULL); return (ISC_R_SUCCESS); } + if (cfg_obj_isstring(updatepolicy) && + strcmp("local", cfg_obj_asstring(updatepolicy)) == 0) { + autoddns = ISC_TRUE; + updatepolicy = NULL; + } + result = dns_ssutable_create(mctx, &table); if (result != ISC_R_SUCCESS) return (result); @@ -198,6 +219,7 @@ configure_zone_ssutable(const cfg_obj_t *zconfig, dns_zone_t *zone) { const cfg_obj_t *typelist = cfg_tuple_get(stmt, "types"); const char *str; isc_boolean_t grant = ISC_FALSE; + isc_boolean_t usezone = ISC_FALSE; unsigned int mtype = DNS_SSUMATCHTYPE_NAME; dns_fixedname_t fname, fident; isc_buffer_t b; @@ -237,6 +259,11 @@ configure_zone_ssutable(const cfg_obj_t *zconfig, dns_zone_t *zone) { mtype = DNS_SSUMATCHTYPE_TCPSELF; else if (strcasecmp(str, "6to4-self") == 0) mtype = DNS_SSUMATCHTYPE_6TO4SELF; + else if (strcasecmp(str, "zonesub") == 0) { + mtype = DNS_SSUMATCHTYPE_SUBDOMAIN; + usezone = ISC_TRUE; + } else if (strcasecmp(str, "external") == 0) + mtype = DNS_SSUMATCHTYPE_EXTERNAL; else INSIST(0); @@ -245,7 +272,7 @@ configure_zone_ssutable(const cfg_obj_t *zconfig, dns_zone_t *zone) { isc_buffer_init(&b, str, strlen(str)); isc_buffer_add(&b, strlen(str)); result = dns_name_fromtext(dns_fixedname_name(&fident), &b, - dns_rootname, ISC_FALSE, NULL); + dns_rootname, 0, NULL); if (result != ISC_R_SUCCESS) { cfg_obj_log(identity, ns_g_lctx, ISC_LOG_ERROR, "'%s' is not a valid name", str); @@ -253,15 +280,27 @@ configure_zone_ssutable(const cfg_obj_t *zconfig, dns_zone_t *zone) { } dns_fixedname_init(&fname); - str = cfg_obj_asstring(dname); - isc_buffer_init(&b, str, strlen(str)); - isc_buffer_add(&b, strlen(str)); - result = dns_name_fromtext(dns_fixedname_name(&fname), &b, - dns_rootname, ISC_FALSE, NULL); - if (result != ISC_R_SUCCESS) { - cfg_obj_log(identity, ns_g_lctx, ISC_LOG_ERROR, - "'%s' is not a valid name", str); - goto cleanup; + if (usezone) { + result = dns_name_copy(dns_zone_getorigin(zone), + dns_fixedname_name(&fname), + NULL); + if (result != ISC_R_SUCCESS) { + cfg_obj_log(identity, ns_g_lctx, ISC_LOG_ERROR, + "error copying origin: %s", + isc_result_totext(result)); + goto cleanup; + } + } else { + str = cfg_obj_asstring(dname); + isc_buffer_init(&b, str, strlen(str)); + isc_buffer_add(&b, strlen(str)); + result = dns_name_fromtext(dns_fixedname_name(&fname), + &b, dns_rootname, 0, NULL); + if (result != ISC_R_SUCCESS) { + cfg_obj_log(identity, ns_g_lctx, ISC_LOG_ERROR, + "'%s' is not a valid name", str); + goto cleanup; + } } n = ns_config_listcount(typelist); @@ -311,7 +350,34 @@ configure_zone_ssutable(const cfg_obj_t *zconfig, dns_zone_t *zone) { if (result != ISC_R_SUCCESS) { goto cleanup; } + } + + /* + * If "update-policy local;" and a session key exists, + * then use the default policy, which is equivalent to: + * update-policy { grant zonesub any; }; + */ + if (autoddns) { + dns_rdatatype_t any = dns_rdatatype_any; + + if (ns_g_server->session_keyname == NULL) { + isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, + NS_LOGMODULE_SERVER, ISC_LOG_ERROR, + "failed to enable auto DDNS policy " + "for zone %s: session key not found", + zname); + result = ISC_R_NOTFOUND; + goto cleanup; + } + result = dns_ssutable_addrule(table, ISC_TRUE, + ns_g_server->session_keyname, + DNS_SSUMATCHTYPE_SUBDOMAIN, + dns_zone_getorigin(zone), + 1, &any); + + if (result != ISC_R_SUCCESS) + goto cleanup; } result = ISC_R_SUCCESS; @@ -322,6 +388,323 @@ configure_zone_ssutable(const cfg_obj_t *zconfig, dns_zone_t *zone) { return (result); } +/* + * This is the TTL used for internally generated RRsets for static-stub zones. + * The value doesn't matter because the mapping is static, but needs to be + * defined for the sake of implementation. + */ +#define STATICSTUB_SERVER_TTL 86400 + +/*% + * Configure an apex NS with glues for a static-stub zone. + * For example, for the zone named "example.com", the following RRs will be + * added to the zone DB: + * example.com. NS example.com. + * example.com. A 192.0.2.1 + * example.com. AAAA 2001:db8::1 + */ +static isc_result_t +configure_staticstub_serveraddrs(const cfg_obj_t *zconfig, dns_zone_t *zone, + dns_rdatalist_t *rdatalist_ns, + dns_rdatalist_t *rdatalist_a, + dns_rdatalist_t *rdatalist_aaaa) +{ + const cfg_listelt_t *element; + isc_mem_t *mctx = dns_zone_getmctx(zone); + isc_region_t region, sregion; + dns_rdata_t *rdata; + isc_result_t result = ISC_R_SUCCESS; + + for (element = cfg_list_first(zconfig); + element != NULL; + element = cfg_list_next(element)) + { + const isc_sockaddr_t* sa; + isc_netaddr_t na; + const cfg_obj_t *address = cfg_listelt_value(element); + dns_rdatalist_t *rdatalist; + + sa = cfg_obj_assockaddr(address); + if (isc_sockaddr_getport(sa) != 0) { + cfg_obj_log(zconfig, ns_g_lctx, ISC_LOG_ERROR, + "port is not configurable for " + "static stub server-addresses"); + return (ISC_R_FAILURE); + } + isc_netaddr_fromsockaddr(&na, sa); + if (isc_netaddr_getzone(&na) != 0) { + cfg_obj_log(zconfig, ns_g_lctx, ISC_LOG_ERROR, + "scoped address is not allowed " + "for static stub " + "server-addresses"); + return (ISC_R_FAILURE); + } + + switch (na.family) { + case AF_INET: + region.length = sizeof(na.type.in); + rdatalist = rdatalist_a; + break; + default: + INSIST(na.family == AF_INET6); + region.length = sizeof(na.type.in6); + rdatalist = rdatalist_aaaa; + break; + } + + rdata = isc_mem_get(mctx, sizeof(*rdata) + region.length); + if (rdata == NULL) + return (ISC_R_NOMEMORY); + region.base = (unsigned char *)(rdata + 1); + memcpy(region.base, &na.type, region.length); + dns_rdata_init(rdata); + dns_rdata_fromregion(rdata, dns_zone_getclass(zone), + rdatalist->type, ®ion); + ISC_LIST_APPEND(rdatalist->rdata, rdata, link); + } + + /* + * If no address is specified (unlikely in this context, but possible), + * there's nothing to do anymore. + */ + if (ISC_LIST_EMPTY(rdatalist_a->rdata) && + ISC_LIST_EMPTY(rdatalist_aaaa->rdata)) { + return (ISC_R_SUCCESS); + } + + /* Add to the list an apex NS with the ns name being the origin name */ + dns_name_toregion(dns_zone_getorigin(zone), &sregion); + rdata = isc_mem_get(mctx, sizeof(*rdata) + sregion.length); + if (rdata == NULL) { + /* + * Already allocated data will be freed in the caller, so + * we can simply return here. + */ + return (ISC_R_NOMEMORY); + } + region.length = sregion.length; + region.base = (unsigned char *)(rdata + 1); + memcpy(region.base, sregion.base, region.length); + dns_rdata_init(rdata); + dns_rdata_fromregion(rdata, dns_zone_getclass(zone), + dns_rdatatype_ns, ®ion); + ISC_LIST_APPEND(rdatalist_ns->rdata, rdata, link); + + return (result); +} + +/*% + * Configure an apex NS with an out-of-zone NS names for a static-stub zone. + * For example, for the zone named "example.com", something like the following + * RRs will be added to the zone DB: + * example.com. NS ns.example.net. + */ +static isc_result_t +configure_staticstub_servernames(const cfg_obj_t *zconfig, dns_zone_t *zone, + dns_rdatalist_t *rdatalist, const char *zname) +{ + const cfg_listelt_t *element; + isc_mem_t *mctx = dns_zone_getmctx(zone); + dns_rdata_t *rdata; + isc_region_t sregion, region; + isc_result_t result = ISC_R_SUCCESS; + + for (element = cfg_list_first(zconfig); + element != NULL; + element = cfg_list_next(element)) + { + const cfg_obj_t *obj; + const char *str; + dns_fixedname_t fixed_name; + dns_name_t *nsname; + isc_buffer_t b; + + obj = cfg_listelt_value(element); + str = cfg_obj_asstring(obj); + + dns_fixedname_init(&fixed_name); + nsname = dns_fixedname_name(&fixed_name); + + isc_buffer_init(&b, str, strlen(str)); + isc_buffer_add(&b, strlen(str)); + result = dns_name_fromtext(nsname, &b, dns_rootname, 0, NULL); + if (result != ISC_R_SUCCESS) { + cfg_obj_log(zconfig, ns_g_lctx, ISC_LOG_ERROR, + "server-name '%s' is not a valid " + "name", str); + return (result); + } + if (dns_name_issubdomain(nsname, dns_zone_getorigin(zone))) { + cfg_obj_log(zconfig, ns_g_lctx, ISC_LOG_ERROR, + "server-name '%s' must not be a " + "subdomain of zone name '%s'", + str, zname); + return (ISC_R_FAILURE); + } + + dns_name_toregion(nsname, &sregion); + rdata = isc_mem_get(mctx, sizeof(*rdata) + sregion.length); + if (rdata == NULL) + return (ISC_R_NOMEMORY); + region.length = sregion.length; + region.base = (unsigned char *)(rdata + 1); + memcpy(region.base, sregion.base, region.length); + dns_rdata_init(rdata); + dns_rdata_fromregion(rdata, dns_zone_getclass(zone), + dns_rdatatype_ns, ®ion); + ISC_LIST_APPEND(rdatalist->rdata, rdata, link); + } + + return (result); +} + +/*% + * Configure static-stub zone. + */ +static isc_result_t +configure_staticstub(const cfg_obj_t *zconfig, dns_zone_t *zone, + const char *zname, const char *dbtype) +{ + int i = 0; + const cfg_obj_t *obj; + isc_mem_t *mctx = dns_zone_getmctx(zone); + dns_db_t *db = NULL; + dns_dbversion_t *dbversion = NULL; + dns_dbnode_t *apexnode = NULL; + dns_name_t apexname; + isc_result_t result; + dns_rdataset_t rdataset; + dns_rdatalist_t rdatalist_ns, rdatalist_a, rdatalist_aaaa; + dns_rdatalist_t* rdatalists[] = { + &rdatalist_ns, &rdatalist_a, &rdatalist_aaaa, NULL + }; + dns_rdata_t *rdata; + isc_region_t region; + + /* Create the DB beforehand */ + RETERR(dns_db_create(mctx, dbtype, dns_zone_getorigin(zone), + dns_dbtype_stub, dns_zone_getclass(zone), + 0, NULL, &db)); + dns_zone_setdb(zone, db); + + dns_rdatalist_init(&rdatalist_ns); + rdatalist_ns.rdclass = dns_zone_getclass(zone); + rdatalist_ns.type = dns_rdatatype_ns; + rdatalist_ns.ttl = STATICSTUB_SERVER_TTL; + + dns_rdatalist_init(&rdatalist_a); + rdatalist_a.rdclass = dns_zone_getclass(zone); + rdatalist_a.type = dns_rdatatype_a; + rdatalist_a.ttl = STATICSTUB_SERVER_TTL; + + dns_rdatalist_init(&rdatalist_aaaa); + rdatalist_aaaa.rdclass = dns_zone_getclass(zone); + rdatalist_aaaa.type = dns_rdatatype_aaaa; + rdatalist_aaaa.ttl = STATICSTUB_SERVER_TTL; + + /* Prepare zone RRs from the configuration */ + obj = NULL; + result = cfg_map_get(zconfig, "server-addresses", &obj); + if (obj != NULL) { + result = configure_staticstub_serveraddrs(obj, zone, + &rdatalist_ns, + &rdatalist_a, + &rdatalist_aaaa); + if (result != ISC_R_SUCCESS) + goto cleanup; + } + + obj = NULL; + result = cfg_map_get(zconfig, "server-names", &obj); + if (obj != NULL) { + result = configure_staticstub_servernames(obj, zone, + &rdatalist_ns, + zname); + if (result != ISC_R_SUCCESS) + goto cleanup; + } + + /* + * Sanity check: there should be at least one NS RR at the zone apex + * to trigger delegation. + */ + if (ISC_LIST_EMPTY(rdatalist_ns.rdata)) { + isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, + NS_LOGMODULE_SERVER, ISC_LOG_ERROR, + "No NS record is configured for a " + "static-stub zone '%s'", zname); + result = ISC_R_FAILURE; + goto cleanup; + } + + /* + * Now add NS and glue A/AAAA RRsets to the zone DB. + * First open a new version for the add operation and get a pointer + * to the apex node (all RRs are of the apex name). + */ + result = dns_db_newversion(db, &dbversion); + if (result != ISC_R_SUCCESS) + goto cleanup; + dns_name_init(&apexname, NULL); + dns_name_clone(dns_zone_getorigin(zone), &apexname); + result = dns_db_findnode(db, &apexname, ISC_FALSE, &apexnode); + if (result != ISC_R_SUCCESS) + goto cleanup; + + /* Add NS RRset */ + dns_rdataset_init(&rdataset); + RUNTIME_CHECK(dns_rdatalist_tordataset(&rdatalist_ns, &rdataset) + == ISC_R_SUCCESS); + result = dns_db_addrdataset(db, apexnode, dbversion, 0, &rdataset, + 0, NULL); + dns_rdataset_disassociate(&rdataset); + if (result != ISC_R_SUCCESS) + goto cleanup; + + /* Add glue A RRset, if any */ + if (!ISC_LIST_EMPTY(rdatalist_a.rdata)) { + RUNTIME_CHECK(dns_rdatalist_tordataset(&rdatalist_a, &rdataset) + == ISC_R_SUCCESS); + result = dns_db_addrdataset(db, apexnode, dbversion, 0, + &rdataset, 0, NULL); + dns_rdataset_disassociate(&rdataset); + if (result != ISC_R_SUCCESS) + goto cleanup; + } + + /* Add glue AAAA RRset, if any */ + if (!ISC_LIST_EMPTY(rdatalist_aaaa.rdata)) { + RUNTIME_CHECK(dns_rdatalist_tordataset(&rdatalist_aaaa, + &rdataset) + == ISC_R_SUCCESS); + result = dns_db_addrdataset(db, apexnode, dbversion, 0, + &rdataset, 0, NULL); + dns_rdataset_disassociate(&rdataset); + if (result != ISC_R_SUCCESS) + goto cleanup; + } + + result = ISC_R_SUCCESS; + + cleanup: + if (apexnode != NULL) + dns_db_detachnode(db, &apexnode); + if (dbversion != NULL) + dns_db_closeversion(db, &dbversion, ISC_TRUE); + if (db != NULL) + dns_db_detach(&db); + for (i = 0; rdatalists[i] != NULL; i++) { + while ((rdata = ISC_LIST_HEAD(rdatalists[i]->rdata)) != NULL) { + ISC_LIST_UNLINK(rdatalists[i]->rdata, rdata, link); + dns_rdata_toregion(rdata, ®ion); + isc_mem_put(mctx, rdata, + sizeof(*rdata) + region.length); + } + } + + return (result); +} + /*% * Convert a config file zone type into a server zone type. */ @@ -503,6 +886,19 @@ ns_zone_configure(const cfg_obj_t *config, const cfg_obj_t *vconfig, if (result == ISC_R_SUCCESS) filename = cfg_obj_asstring(obj); + /* + * Unless we're using some alternative database, a master zone + * will be needing a master file. + */ + if (ztype == dns_zone_master && cpval == default_dbtype && + filename == NULL) { + isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL, + NS_LOGMODULE_SERVER, ISC_LOG_ERROR, + "zone '%s': 'file' not specified", + zname); + return (ISC_R_FAILURE); + } + masterformat = dns_masterformat_text; obj = NULL; result= ns_config_get(maps, "masterfile-format", &obj); @@ -577,7 +973,7 @@ ns_zone_configure(const cfg_obj_t *config, const cfg_obj_t *vconfig, * to primary masters (type "master") and slaves * acting as masters (type "slave"), but not to stubs. */ - if (ztype != dns_zone_stub) { + if (ztype != dns_zone_stub && ztype != dns_zone_staticstub) { obj = NULL; result = ns_config_get(maps, "notify", &obj); INSIST(result == ISC_R_SUCCESS); @@ -731,6 +1127,7 @@ ns_zone_configure(const cfg_obj_t *config, const cfg_obj_t *vconfig, */ if (ztype == dns_zone_master) { dns_acl_t *updateacl; + RETERR(configure_zone_acl(zconfig, vconfig, config, allow_update, ac, zone, dns_zone_setupdateacl, @@ -744,7 +1141,7 @@ ns_zone_configure(const cfg_obj_t *config, const cfg_obj_t *vconfig, "address, which is insecure", zname); - RETERR(configure_zone_ssutable(zoptions, zone)); + RETERR(configure_zone_ssutable(zoptions, zone, zname)); obj = NULL; result = ns_config_get(maps, "sig-validity-interval", &obj); @@ -774,12 +1171,6 @@ ns_zone_configure(const cfg_obj_t *config, const cfg_obj_t *vconfig, result = ns_config_get(maps, "key-directory", &obj); if (result == ISC_R_SUCCESS) { filename = cfg_obj_asstring(obj); - if (!isc_file_isabsolute(filename)) { - cfg_obj_log(obj, ns_g_lctx, ISC_LOG_ERROR, - "key-directory '%s' " - "is not absolute", filename); - return (ISC_R_FAILURE); - } RETERR(dns_zone_setkeydirectory(zone, filename)); } @@ -804,6 +1195,11 @@ ns_zone_configure(const cfg_obj_t *config, const cfg_obj_t *vconfig, dns_zone_setoption(zone, DNS_ZONEOPT_UPDATECHECKKSK, cfg_obj_asboolean(obj)); + obj = NULL; + result = ns_config_get(maps, "dnssec-dnskey-kskonly", &obj); + INSIST(result == ISC_R_SUCCESS); + dns_zone_setoption(zone, DNS_ZONEOPT_DNSKEYKSKONLY, + cfg_obj_asboolean(obj)); } else if (ztype == dns_zone_slave) { RETERR(configure_zone_acl(zconfig, vconfig, config, allow_update_forwarding, ac, zone, @@ -811,11 +1207,13 @@ ns_zone_configure(const cfg_obj_t *config, const cfg_obj_t *vconfig, dns_zone_clearforwardacl)); } - /*% * Primary master functionality. */ if (ztype == dns_zone_master) { + isc_boolean_t allow = ISC_FALSE, maint = ISC_FALSE; + isc_boolean_t create = ISC_FALSE; + obj = NULL; result = ns_config_get(maps, "check-wildcard", &obj); if (result == ISC_R_SUCCESS) @@ -825,6 +1223,21 @@ ns_zone_configure(const cfg_obj_t *config, const cfg_obj_t *vconfig, dns_zone_setoption(zone, DNS_ZONEOPT_CHECKWILDCARD, check); obj = NULL; + result = ns_config_get(maps, "check-dup-records", &obj); + INSIST(obj != NULL); + if (strcasecmp(cfg_obj_asstring(obj), "warn") == 0) { + fail = ISC_FALSE; + check = ISC_TRUE; + } else if (strcasecmp(cfg_obj_asstring(obj), "fail") == 0) { + fail = check = ISC_TRUE; + } else if (strcasecmp(cfg_obj_asstring(obj), "ignore") == 0) { + fail = check = ISC_FALSE; + } else + INSIST(0); + dns_zone_setoption(zone, DNS_ZONEOPT_CHECKDUPRR, check); + dns_zone_setoption(zone, DNS_ZONEOPT_CHECKDUPRRFAIL, fail); + + obj = NULL; result = ns_config_get(maps, "check-mx", &obj); INSIST(obj != NULL); if (strcasecmp(cfg_obj_asstring(obj), "warn") == 0) { @@ -874,6 +1287,31 @@ ns_zone_configure(const cfg_obj_t *config, const cfg_obj_t *vconfig, INSIST(0); dns_zone_setoption(zone, DNS_ZONEOPT_WARNSRVCNAME, warn); dns_zone_setoption(zone, DNS_ZONEOPT_IGNORESRVCNAME, ignore); + + obj = NULL; + result = ns_config_get(maps, "dnssec-secure-to-insecure", &obj); + INSIST(obj != NULL); + dns_zone_setoption(zone, DNS_ZONEOPT_SECURETOINSECURE, + cfg_obj_asboolean(obj)); + + obj = NULL; + result = cfg_map_get(zoptions, "auto-dnssec", &obj); + if (result == ISC_R_SUCCESS) { + const char *arg = cfg_obj_asstring(obj); + if (strcasecmp(arg, "allow") == 0) + allow = ISC_TRUE; + else if (strcasecmp(arg, "maintain") == 0) + allow = maint = ISC_TRUE; + else if (strcasecmp(arg, "create") == 0) + allow = maint = create = ISC_TRUE; + else if (strcasecmp(arg, "off") == 0) + ; + else + INSIST(0); + dns_zone_setkeyopt(zone, DNS_ZONEKEY_ALLOW, allow); + dns_zone_setkeyopt(zone, DNS_ZONEKEY_MAINTAIN, maint); + dns_zone_setkeyopt(zone, DNS_ZONEKEY_CREATE, create); + } } /* @@ -982,6 +1420,11 @@ ns_zone_configure(const cfg_obj_t *config, const cfg_obj_t *vconfig, cfg_obj_asboolean(obj)); break; + case dns_zone_staticstub: + RETERR(configure_staticstub(zoptions, zone, zname, + default_dbtype)); + break; + default: break; } @@ -989,6 +1432,31 @@ ns_zone_configure(const cfg_obj_t *config, const cfg_obj_t *vconfig, return (ISC_R_SUCCESS); } + +#ifdef DLZ +/* + * Set up a DLZ zone as writeable + */ +isc_result_t +ns_zone_configure_writeable_dlz(dns_dlzdb_t *dlzdatabase, dns_zone_t *zone, + dns_rdataclass_t rdclass, dns_name_t *name) +{ + dns_db_t *db = NULL; + isc_time_t now; + isc_result_t result; + + TIME_NOW(&now); + + dns_zone_settype(zone, dns_zone_dlz); + result = dns_sdlz_setdb(dlzdatabase, rdclass, name, &db); + if (result != ISC_R_SUCCESS) + return result; + result = dns_zone_dlzpostload(zone, db); + dns_db_detach(&db); + return result; +} +#endif + isc_boolean_t ns_zone_reusable(dns_zone_t *zone, const cfg_obj_t *zconfig) { const cfg_obj_t *zoptions = NULL; @@ -1001,6 +1469,13 @@ ns_zone_reusable(dns_zone_t *zone, const cfg_obj_t *zconfig) { if (zonetype_fromconfig(zoptions) != dns_zone_gettype(zone)) return (ISC_FALSE); + /* + * We always reconfigure a static-stub zone for simplicity, assuming + * the amount of data to be loaded is small. + */ + if (zonetype_fromconfig(zoptions) == dns_zone_staticstub) + return (ISC_FALSE); + obj = NULL; (void)cfg_map_get(zoptions, "file", &obj); if (obj != NULL) diff --git a/bin/nsupdate/Makefile.in b/bin/nsupdate/Makefile.in index f7f6346..a65aad9 100644 --- a/bin/nsupdate/Makefile.in +++ b/bin/nsupdate/Makefile.in @@ -1,4 +1,4 @@ -# Copyright (C) 2004, 2006-2008 Internet Systems Consortium, Inc. ("ISC") +# Copyright (C) 2004, 2006-2009 Internet Systems Consortium, Inc. ("ISC") # Copyright (C) 2000-2002 Internet Software Consortium. # # Permission to use, copy, modify, and/or distribute this software for any @@ -13,7 +13,7 @@ # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR # PERFORMANCE OF THIS SOFTWARE. -# $Id: Makefile.in,v 1.29 2008-08-29 23:47:22 tbox Exp $ +# $Id: Makefile.in,v 1.36 2009-12-05 23:31:40 each Exp $ srcdir = @srcdir@ VPATH = @srcdir@ @@ -24,7 +24,7 @@ top_srcdir = @top_srcdir@ @BIND9_MAKE_INCLUDES@ CINCLUDES = ${LWRES_INCLUDES} ${DNS_INCLUDES} ${BIND9_INCLUDES} \ - ${ISC_INCLUDES} @DST_GSSAPI_INC@ + ${ISC_INCLUDES} ${ISCCFG_INCLUDES} @DST_GSSAPI_INC@ CDEFINES = @USE_GSSAPI@ CWARNINGS = @@ -33,6 +33,7 @@ LWRESLIBS = ../../lib/lwres/liblwres.@A@ DNSLIBS = ../../lib/dns/libdns.@A@ @DNS_CRYPTO_LIBS@ BIND9LIBS = ../../lib/bind9/libbind9.@A@ ISCLIBS = ../../lib/isc/libisc.@A@ +ISCNOSYMLIBS = ../../lib/isc/libisc-nosymtbl.@A@ ISCCFGLIBS = ../../lib/isccfg/libisccfg.@A@ LWRESDEPLIBS = ../../lib/lwres/liblwres.@A@ @@ -43,7 +44,9 @@ ISCCFGDEPLIBS = ../../lib/isccfg/libisccfg.@A@ DEPLIBS = ${DNSDEPLIBS} ${BIND9DEPLIBS} ${ISCDEPLIBS} ${ISCCFGDEPLIBS} -LIBS = ${LWRESLIBS} ${DNSLIBS} ${BIND9LIBS} ${ISCLIBS} ${ISCCFGLIBS} @LIBS@ +LIBS = ${LWRESLIBS} ${DNSLIBS} ${BIND9LIBS} ${ISCCFGLIBS} ${ISCLIBS} @LIBS@ + +NOSYMLIBS = ${LWRESLIBS} ${DNSLIBS} ${BIND9LIBS} ${ISCCFGLIBS} ${ISCNOSYMLIBS} @LIBS@ SUBDIRS = @@ -63,8 +66,14 @@ MANOBJS = ${MANPAGES} ${HTMLPAGES} @BIND9_MAKE_RULES@ +nsupdate.@O@: nsupdate.c + ${LIBTOOL_MODE_COMPILE} ${CC} ${ALL_CFLAGS} \ + -DSESSION_KEYFILE=\"${localstatedir}/run/named/session.key\" \ + -c ${srcdir}/nsupdate.c + nsupdate@EXEEXT@: nsupdate.@O@ ${UOBJS} ${DEPLIBS} - ${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ nsupdate.@O@ ${UOBJS} ${LIBS} + export BASEOBJS="nsupdate.@O@ ${UOBJS}"; \ + ${FINALBUILDCMD} doc man:: ${MANOBJS} diff --git a/bin/nsupdate/nsupdate.1 b/bin/nsupdate/nsupdate.1 index 6c03486..9d82891 100644 --- a/bin/nsupdate/nsupdate.1 +++ b/bin/nsupdate/nsupdate.1 @@ -13,18 +13,18 @@ .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR .\" PERFORMANCE OF THIS SOFTWARE. .\" -.\" $Id: nsupdate.1,v 1.3.48.4 2010-07-10 02:06:17 tbox Exp $ +.\" $Id: nsupdate.1,v 1.13 2010-07-10 01:14:19 tbox Exp $ .\" .hy 0 .ad l .\" Title: nsupdate .\" Author: .\" Generator: DocBook XSL Stylesheets v1.71.1 -.\" Date: Jun 30, 2000 +.\" Date: Aug 25, 2009 .\" Manual: BIND9 .\" Source: BIND9 .\" -.TH "NSUPDATE" "1" "Jun 30, 2000" "BIND9" "BIND9" +.TH "NSUPDATE" "1" "Aug 25, 2009" "BIND9" "BIND9" .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) @@ -33,11 +33,11 @@ nsupdate \- Dynamic DNS update utility .SH "SYNOPSIS" .HP 9 -\fBnsupdate\fR [\fB\-d\fR] [\fB\-D\fR] [[\fB\-g\fR] | [\fB\-o\fR] | [\fB\-y\ \fR\fB\fI[hmac:]\fR\fIkeyname:secret\fR\fR] | [\fB\-k\ \fR\fB\fIkeyfile\fR\fR]] [\fB\-t\ \fR\fB\fItimeout\fR\fR] [\fB\-u\ \fR\fB\fIudptimeout\fR\fR] [\fB\-r\ \fR\fB\fIudpretries\fR\fR] [\fB\-R\ \fR\fB\fIrandomdev\fR\fR] [\fB\-v\fR] [filename] +\fBnsupdate\fR [\fB\-d\fR] [\fB\-D\fR] [[\fB\-g\fR] | [\fB\-o\fR] | [\fB\-l\fR] | [\fB\-y\ \fR\fB\fI[hmac:]\fR\fIkeyname:secret\fR\fR] | [\fB\-k\ \fR\fB\fIkeyfile\fR\fR]] [\fB\-t\ \fR\fB\fItimeout\fR\fR] [\fB\-u\ \fR\fB\fIudptimeout\fR\fR] [\fB\-r\ \fR\fB\fIudpretries\fR\fR] [\fB\-R\ \fR\fB\fIrandomdev\fR\fR] [\fB\-v\fR] [filename] .SH "DESCRIPTION" .PP \fBnsupdate\fR -is used to submit Dynamic DNS Update requests as defined in RFC2136 to a name server. This allows resource records to be added or removed from a zone without manually editing the zone file. A single update request can contain requests to add or remove more than one resource record. +is used to submit Dynamic DNS Update requests as defined in RFC 2136 to a name server. This allows resource records to be added or removed from a zone without manually editing the zone file. A single update request can contain requests to add or remove more than one resource record. .PP Zones that are under dynamic control via \fBnsupdate\fR @@ -60,7 +60,11 @@ option makes report additional debugging information to \fB\-d\fR. .PP -Transaction signatures can be used to authenticate the Dynamic DNS updates. These use the TSIG resource record type described in RFC2845 or the SIG(0) record described in RFC3535 and RFC2931 or GSS\-TSIG as described in RFC3645. TSIG relies on a shared secret that should only be known to +The +\fB\-L\fR +option with an integer argument of zero or higher sets the logging debug level. If zero, logging is disabled. +.PP +Transaction signatures can be used to authenticate the Dynamic DNS updates. These use the TSIG resource record type described in RFC 2845 or the SIG(0) record described in RFC 2535 and RFC 2931 or GSS\-TSIG as described in RFC 3645. TSIG relies on a shared secret that should only be known to \fBnsupdate\fR and the name server. Currently, the only supported encryption algorithm for TSIG is HMAC\-MD5, which is defined in RFC 2104. Once other algorithms are defined for TSIG, applications will need to ensure they select the appropriate algorithm as well as the key when authenticating each other. For instance, suitable \fBkey\fR @@ -71,22 +75,22 @@ statements would be added to so that the name server can associate the appropriate secret key and algorithm with the IP address of the client application that will be using TSIG authentication. SIG(0) uses public key cryptography. To use a SIG(0) key, the public key must be stored in a KEY record in a zone served by the name server. \fBnsupdate\fR does not read -\fI/etc/named.conf\fR. GSS\-TSIG uses Kerberos credentials. +\fI/etc/named.conf\fR. +.PP +GSS\-TSIG uses Kerberos credentials. Standard GSS\-TSIG mode is switched on with the +\fB\-g\fR +flag. A non\-standards\-compliant variant of GSS\-TSIG used by Windows 2000 can be switched on with the +\fB\-o\fR +flag. .PP \fBnsupdate\fR uses the \fB\-y\fR or \fB\-k\fR -option to provide the shared secret needed to generate a TSIG record for authenticating Dynamic DNS update requests, default type HMAC\-MD5. These options are mutually exclusive. With the -\fB\-k\fR -option, -\fBnsupdate\fR -reads the shared secret from the file -\fIkeyfile\fR, whose name is of the form -\fIK{name}.+157.+{random}.private\fR. For historical reasons, the file -\fIK{name}.+157.+{random}.key\fR -must also be present. When the +option to provide the shared secret needed to generate a TSIG record for authenticating Dynamic DNS update requests, default type HMAC\-MD5. These options are mutually exclusive. +.PP +When the \fB\-y\fR option is used, a signature is generated from [\fIhmac:\fR]\fIkeyname:secret.\fR @@ -99,17 +103,37 @@ option is discouraged because the shared secret is supplied as a command line ar \fBps\fR(1) or in a history file maintained by the user's shell. .PP -The +With the +\fB\-k\fR +option, +\fBnsupdate\fR +reads the shared secret from the file +\fIkeyfile\fR. Keyfiles may be in two formats: a single file containing a +\fInamed.conf\fR\-format +\fBkey\fR +statement, which may be generated automatically by +\fBddns\-confgen\fR, or a pair of files whose names are of the format +\fIK{name}.+157.+{random}.key\fR +and +\fIK{name}.+157.+{random}.private\fR, which can be generated by +\fBdnssec\-keygen\fR. The \fB\-k\fR may also be used to specify a SIG(0) key used to authenticate Dynamic DNS update requests. In this case, the key specified is not an HMAC\-MD5 key. .PP -The -\fB\-g\fR -and -\fB\-o\fR -specify that GSS\-TSIG is to be used. The -\fB\-o\fR -should only be used with old Microsoft Windows 2000 servers. +\fBnsupdate\fR +can be run in a local\-host only mode using the +\fB\-l\fR +flag. This sets the server address to localhost (disabling the +\fBserver\fR +so that the server address cannot be overridden). Connections to the local server will use a TSIG key found in +\fI/var/run/named/session.key\fR, which is automatically generated by +\fBnamed\fR +if any local master zone has set +\fBupdate\-policy\fR +to +\fBlocal\fR. The location of this key file can be overridden with the +\fB\-k\fR +option. .PP By default, \fBnsupdate\fR @@ -120,6 +144,10 @@ option makes use a TCP connection. This may be preferable when a batch of update requests is made. .PP The +\fB\-p\fR +sets the default port number to use for connections to a name server. The default is 53. +.PP +The \fB\-t\fR option sets the maximum time an update request can take before it is aborted. The default is 300 seconds. Zero can be used to disable the timeout. .PP @@ -367,7 +395,7 @@ with IP address 172.16.1.1 is added. The newly\-added record has a 1 day TTL (86 .sp .PP The prerequisite condition gets the name server to check that there are no resource records of any type for -\fBnickname.example.com\fR. If there are, the update request fails. If this name does not exist, a CNAME for it is added. This ensures that when the CNAME is added, it cannot conflict with the long\-standing rule in RFC1034 that a name must not exist as any other record type if it exists as a CNAME. (The rule has been updated for DNSSEC in RFC2535 to allow CNAMEs to have RRSIG, DNSKEY and NSEC records.) +\fBnickname.example.com\fR. If there are, the update request fails. If this name does not exist, a CNAME for it is added. This ensures that when the CNAME is added, it cannot conflict with the long\-standing rule in RFC 1034 that a name must not exist as any other record type if it exists as a CNAME. (The rule has been updated for DNSSEC in RFC 2535 to allow CNAMEs to have RRSIG, DNSKEY and NSEC records.) .SH "FILES" .PP \fB/etc/resolv.conf\fR @@ -375,6 +403,11 @@ The prerequisite condition gets the name server to check that there are no resou used to identify default name server .RE .PP +\fB/var/run/named/session.key\fR +.RS 4 +sets the default TSIG key for use in local\-only mode +.RE +.PP \fBK{name}.+157.+{random}.key\fR .RS 4 base\-64 encoding of HMAC\-MD5 key created by @@ -388,14 +421,15 @@ base\-64 encoding of HMAC\-MD5 key created by .RE .SH "SEE ALSO" .PP -\fBRFC2136\fR(), -\fBRFC3007\fR(), -\fBRFC2104\fR(), -\fBRFC2845\fR(), -\fBRFC1034\fR(), -\fBRFC2535\fR(), -\fBRFC2931\fR(), +RFC 2136, +RFC 3007, +RFC 2104, +RFC 2845, +RFC 1034, +RFC 2535, +RFC 2931, \fBnamed\fR(8), +\fBddns\-confgen\fR(8), \fBdnssec\-keygen\fR(8). .SH "BUGS" .PP diff --git a/bin/nsupdate/nsupdate.c b/bin/nsupdate/nsupdate.c index d9ee488..9bbea4b 100644 --- a/bin/nsupdate/nsupdate.c +++ b/bin/nsupdate/nsupdate.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2010 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2011 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 2000-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: nsupdate.c,v 1.163.48.15 2010-12-09 04:30:57 tbox Exp $ */ +/* $Id: nsupdate.c,v 1.193 2011-01-10 05:32:03 marka Exp $ */ /*! \file */ @@ -33,6 +33,7 @@ #include #include #include +#include #include #include #include @@ -50,6 +51,8 @@ #include #include +#include + #include #include #include @@ -78,6 +81,7 @@ #ifdef GSSAPI #include +#include ISC_PLATFORM_KRB5HEADER #endif #include @@ -106,6 +110,8 @@ extern int h_errno; #define DNSDEFAULTPORT 53 +static isc_uint16_t dnsport = DNSDEFAULTPORT; + #ifndef RESOLV_CONF #define RESOLV_CONF "/etc/resolv.conf" #endif @@ -119,6 +125,7 @@ static isc_boolean_t usevc = ISC_FALSE; static isc_boolean_t usegsstsig = ISC_FALSE; static isc_boolean_t use_win2k_gsstsig = ISC_FALSE; static isc_boolean_t tried_other_gsstsig = ISC_FALSE; +static isc_boolean_t local_only = ISC_FALSE; static isc_taskmgr_t *taskmgr = NULL; static isc_task_t *global_task = NULL; static isc_event_t *global_event = NULL; @@ -148,7 +155,8 @@ static isc_sockaddr_t *userserver = NULL; static isc_sockaddr_t *localaddr = NULL; static isc_sockaddr_t *serveraddr = NULL; static isc_sockaddr_t tempaddr; -static char *keystr = NULL, *keyfile = NULL; +static const char *keyfile = NULL; +static char *keystr = NULL; static isc_entropy_t *entropy = NULL; static isc_boolean_t shuttingdown = ISC_FALSE; static FILE *input; @@ -174,8 +182,10 @@ typedef struct nsu_requestinfo { static void sendrequest(isc_sockaddr_t *srcaddr, isc_sockaddr_t *destaddr, dns_message_t *msg, dns_request_t **request); -static void -fatal(const char *format, ...) ISC_FORMAT_PRINTF(1, 2); + +ISC_PLATFORM_NORETURN_PRE static void +fatal(const char *format, ...) +ISC_FORMAT_PRINTF(1, 2) ISC_PLATFORM_NORETURN_POST; static void debug(const char *format, ...) ISC_FORMAT_PRINTF(1, 2); @@ -406,7 +416,7 @@ reset_system(void) { if (tsigkey != NULL) dns_tsigkey_detach(&tsigkey); if (gssring != NULL) - dns_tsigkeyring_destroy(&gssring); + dns_tsigkeyring_detach(&gssring); tried_other_gsstsig = ISC_FALSE; } } @@ -479,6 +489,19 @@ parse_hmac(dns_name_t **hmac, const char *hmacstr, size_t len) { return (digestbits); } +static int +basenamelen(const char *file) { + int len = strlen(file); + + if (len > 1 && file[len - 1] == '.') + len -= 1; + else if (len > 8 && strcmp(file + len - 8, ".private") == 0) + len -= 8; + else if (len > 4 && strcmp(file + len - 4, ".key") == 0) + len -= 4; + return (len); +} + static void setup_keystr(void) { unsigned char *secret = NULL; @@ -520,8 +543,7 @@ setup_keystr(void) { isc_buffer_add(&keynamesrc, n - name); debug("namefromtext"); - result = dns_name_fromtext(keyname, &keynamesrc, dns_rootname, - ISC_FALSE, NULL); + result = dns_name_fromtext(keyname, &keynamesrc, dns_rootname, 0, NULL); check_result(result, "dns_name_fromtext"); secretlen = strlen(secretstr) * 3 / 4; @@ -553,21 +575,67 @@ setup_keystr(void) { isc_mem_free(mctx, secret); } -static int -basenamelen(const char *file) { - int len = strlen(file); +/* + * Get a key from a named.conf format keyfile + */ +static isc_result_t +read_sessionkey(isc_mem_t *mctx, isc_log_t *lctx) { + cfg_parser_t *pctx = NULL; + cfg_obj_t *sessionkey = NULL; + const cfg_obj_t *key = NULL; + const cfg_obj_t *secretobj = NULL; + const cfg_obj_t *algorithmobj = NULL; + const char *keyname; + const char *secretstr; + const char *algorithm; + isc_result_t result; + int len; - if (len > 1 && file[len - 1] == '.') - len -= 1; - else if (len > 8 && strcmp(file + len - 8, ".private") == 0) - len -= 8; - else if (len > 4 && strcmp(file + len - 4, ".key") == 0) - len -= 4; - return (len); + if (! isc_file_exists(keyfile)) + return (ISC_R_FILENOTFOUND); + + result = cfg_parser_create(mctx, lctx, &pctx); + if (result != ISC_R_SUCCESS) + goto cleanup; + + result = cfg_parse_file(pctx, keyfile, &cfg_type_sessionkey, + &sessionkey); + if (result != ISC_R_SUCCESS) + goto cleanup; + + result = cfg_map_get(sessionkey, "key", &key); + if (result != ISC_R_SUCCESS) + goto cleanup; + + (void) cfg_map_get(key, "secret", &secretobj); + (void) cfg_map_get(key, "algorithm", &algorithmobj); + if (secretobj == NULL || algorithmobj == NULL) + fatal("key must have algorithm and secret"); + + keyname = cfg_obj_asstring(cfg_map_getname(key)); + secretstr = cfg_obj_asstring(secretobj); + algorithm = cfg_obj_asstring(algorithmobj); + + len = strlen(algorithm) + strlen(keyname) + strlen(secretstr) + 3; + keystr = isc_mem_allocate(mctx, len); + snprintf(keystr, len, "%s:%s:%s", algorithm, keyname, secretstr); + setup_keystr(); + + cleanup: + if (pctx != NULL) { + if (sessionkey != NULL) + cfg_obj_destroy(pctx, &sessionkey); + cfg_parser_destroy(&pctx); + } + + if (keystr != NULL) + isc_mem_free(mctx, keystr); + + return (result); } static void -setup_keyfile(void) { +setup_keyfile(isc_mem_t *mctx, isc_log_t *lctx) { dst_key_t *dstkey = NULL; isc_result_t result; dns_name_t *hmacname = NULL; @@ -577,15 +645,25 @@ setup_keyfile(void) { if (sig0key != NULL) dst_key_free(&sig0key); - result = dst_key_fromnamedfile(keyfile, + /* Try reading the key from a K* pair */ + result = dst_key_fromnamedfile(keyfile, NULL, DST_TYPE_PRIVATE | DST_TYPE_KEY, mctx, &dstkey); + + /* If that didn't work, try reading it as a session.key keyfile */ + if (result != ISC_R_SUCCESS) { + result = read_sessionkey(mctx, lctx); + if (result == ISC_R_SUCCESS) + return; + } + if (result != ISC_R_SUCCESS) { fprintf(stderr, "could not read key from %.*s.{private,key}: " "%s\n", basenamelen(keyfile), keyfile, isc_result_totext(result)); return; } + switch (dst_key_alg(dstkey)) { case DST_ALG_HMACMD5: hmacname = DNS_TSIG_HMACMD5_NAME; @@ -746,7 +824,7 @@ setup_system(void) { if (servers == NULL) fatal("out of memory"); localhost.s_addr = htonl(INADDR_LOOPBACK); - isc_sockaddr_fromin(&servers[0], &localhost, DNSDEFAULTPORT); + isc_sockaddr_fromin(&servers[0], &localhost, dnsport); } else { servers = isc_mem_get(mctx, ns_total * sizeof(isc_sockaddr_t)); if (servers == NULL) @@ -755,12 +833,12 @@ setup_system(void) { if (lwconf->nameservers[i].family == LWRES_ADDRTYPE_V4) { struct in_addr in4; memcpy(&in4, lwconf->nameservers[i].address, 4); - isc_sockaddr_fromin(&servers[i], &in4, DNSDEFAULTPORT); + isc_sockaddr_fromin(&servers[i], &in4, dnsport); } else { struct in6_addr in6; memcpy(&in6, lwconf->nameservers[i].address, 16); isc_sockaddr_fromin6(&servers[i], &in6, - DNSDEFAULTPORT); + dnsport); } } } @@ -827,8 +905,13 @@ setup_system(void) { if (keystr != NULL) setup_keystr(); - else if (keyfile != NULL) - setup_keyfile(); + else if (local_only) { + result = read_sessionkey(mctx, lctx); + if (result != ISC_R_SUCCESS) + fatal("can't read key from %s: %s\n", + keyfile, isc_result_totext(result)); + } else if (keyfile != NULL) + setup_keyfile(mctx, lctx); } static void @@ -845,7 +928,7 @@ get_address(char *host, in_port_t port, isc_sockaddr_t *sockaddr) { INSIST(count == 1); } -#define PARSE_ARGS_FMT "dDMl:y:govk:rR::t:u:" +#define PARSE_ARGS_FMT "dDML:y:ghlovk:p:rR::t:u:" static void pre_parse_args(int argc, char **argv) { @@ -862,10 +945,11 @@ pre_parse_args(int argc, char **argv) { break; case '?': + case 'h': if (isc_commandline_option != '?') fprintf(stderr, "%s: invalid argument -%c\n", argv[0], isc_commandline_option); - fprintf(stderr, "usage: nsupdate [-d] " + fprintf(stderr, "usage: nsupdate [-dD] [-L level] [-l]" "[-g | -o | -y keyname:secret | -k keyfile] " "[-v] [filename]\n"); exit(1); @@ -897,6 +981,9 @@ parse_args(int argc, char **argv, isc_mem_t *mctx, isc_entropy_t **ectx) { case 'M': break; case 'l': + local_only = ISC_TRUE; + break; + case 'L': result = isc_parse_uint32(&i, isc_commandline_argument, 10); if (result != ISC_R_SUCCESS) { @@ -923,6 +1010,15 @@ parse_args(int argc, char **argv, isc_mem_t *mctx, isc_entropy_t **ectx) { usegsstsig = ISC_TRUE; use_win2k_gsstsig = ISC_TRUE; break; + case 'p': + result = isc_parse_uint16(&dnsport, + isc_commandline_argument, 10); + if (result != ISC_R_SUCCESS) { + fprintf(stderr, "bad port number " + "'%s'\n", isc_commandline_argument); + exit(1); + } + break; case 't': result = isc_parse_uint32(&timeout, isc_commandline_argument, 10); @@ -968,6 +1064,22 @@ parse_args(int argc, char **argv, isc_mem_t *mctx, isc_entropy_t **ectx) { exit(1); } + if (local_only) { + struct in_addr localhost; + + if (keyfile == NULL) + keyfile = SESSION_KEYFILE; + + if (userserver == NULL) { + userserver = isc_mem_get(mctx, sizeof(isc_sockaddr_t)); + if (userserver == NULL) + fatal("out of memory"); + } + + localhost.s_addr = htonl(INADDR_LOOPBACK); + isc_sockaddr_fromin(userserver, &localhost, dnsport); + } + #ifdef GSSAPI if (usegsstsig && (keyfile != NULL || keystr != NULL)) { fprintf(stderr, "%s: cannot specify -g with -k or -y\n", @@ -976,7 +1088,7 @@ parse_args(int argc, char **argv, isc_mem_t *mctx, isc_entropy_t **ectx) { } #else if (usegsstsig) { - fprintf(stderr, "%s: cannot specify -g or -o, " \ + fprintf(stderr, "%s: cannot specify -g or -o, " \ "program not linked with GSS API Library\n", argv[0]); exit(1); @@ -1022,8 +1134,7 @@ parse_name(char **cmdlinep, dns_message_t *msg, dns_name_t **namep) { dns_message_takebuffer(msg, &namebuf); isc_buffer_init(&source, word, strlen(word)); isc_buffer_add(&source, strlen(word)); - result = dns_name_fromtext(*namep, &source, dns_rootname, - ISC_FALSE, NULL); + result = dns_name_fromtext(*namep, &source, dns_rootname, 0, NULL); check_result(result, "dns_name_fromtext"); isc_buffer_invalidate(&source); return (STATUS_MORE); @@ -1225,6 +1336,11 @@ evaluate_server(char *cmdline) { char *word, *server; long port; + if (local_only) { + fprintf(stderr, "cannot reset server in localhost-only mode\n"); + return (STATUS_SYNTAX); + } + word = nsu_strsep(&cmdline, " \t\r\n"); if (*word == 0) { fprintf(stderr, "could not read server name\n"); @@ -1234,7 +1350,7 @@ evaluate_server(char *cmdline) { word = nsu_strsep(&cmdline, " \t\r\n"); if (*word == 0) - port = DNSDEFAULTPORT; + port = dnsport; else { char *endp; port = strtol(word, &endp, 10); @@ -1340,7 +1456,7 @@ evaluate_key(char *cmdline) { isc_buffer_init(&b, namestr, strlen(namestr)); isc_buffer_add(&b, strlen(namestr)); - result = dns_name_fromtext(keyname, &b, dns_rootname, ISC_FALSE, NULL); + result = dns_name_fromtext(keyname, &b, dns_rootname, 0, NULL); if (result != ISC_R_SUCCESS) { fprintf(stderr, "could not parse key name\n"); return (STATUS_SYNTAX); @@ -1397,8 +1513,7 @@ evaluate_zone(char *cmdline) { userzone = dns_fixedname_name(&fuserzone); isc_buffer_init(&b, word, strlen(word)); isc_buffer_add(&b, strlen(word)); - result = dns_name_fromtext(userzone, &b, dns_rootname, ISC_FALSE, - NULL); + result = dns_name_fromtext(userzone, &b, dns_rootname, 0, NULL); if (result != ISC_R_SUCCESS) { userzone = NULL; /* Lest it point to an invalid name */ fprintf(stderr, "could not parse zone name\n"); @@ -1850,9 +1965,9 @@ get_next_command(void) { "server address [port] (set master server for zone)\n" "send (send the update request)\n" "show (show the update request)\n" -"answer (show the answer to the last request)\n" +"answer (show the answer to the last request)\n" "quit (quit, any pending update is not sent\n" -"help (display this message_\n" +"help (display this message_\n" "key [hmac:]keyname secret (use TSIG to sign the request)\n" "gsstsig (use GSS_TSIG to sign the request)\n" "oldgsstsig (use Microsoft's GSS_TSIG to sign the request)\n" @@ -2013,7 +2128,7 @@ send_update(dns_name_t *zonename, isc_sockaddr_t *master, { isc_result_t result; dns_request_t *request = NULL; - unsigned int options = 0; + unsigned int options = DNS_REQUESTOPT_CASE; ddebug("send_update()"); @@ -2246,7 +2361,7 @@ recvsoa(isc_task_t *task, isc_event_t *event) { result = dns_name_totext(&master, ISC_TRUE, &buf); check_result(result, "dns_name_totext"); serverstr[isc_buffer_usedlength(&buf)] = 0; - get_address(serverstr, DNSDEFAULTPORT, &tempaddr); + get_address(serverstr, dnsport, &tempaddr); serveraddr = &tempaddr; } dns_rdata_freestruct(&soa); @@ -2317,9 +2432,60 @@ sendrequest(isc_sockaddr_t *srcaddr, isc_sockaddr_t *destaddr, } #ifdef GSSAPI + +/* + * Get the realm from the users kerberos ticket if possible + */ static void -start_gssrequest(dns_name_t *master) +get_ticket_realm(isc_mem_t *mctx) { + krb5_context ctx; + krb5_error_code rc; + krb5_ccache ccache; + krb5_principal princ; + char *name, *ticket_realm; + + rc = krb5_init_context(&ctx); + if (rc != 0) + return; + + rc = krb5_cc_default(ctx, &ccache); + if (rc != 0) { + krb5_free_context(ctx); + return; + } + + rc = krb5_cc_get_principal(ctx, ccache, &princ); + if (rc != 0) { + krb5_cc_close(ctx, ccache); + krb5_free_context(ctx); + return; + } + + rc = krb5_unparse_name(ctx, princ, &name); + if (rc != 0) { + krb5_free_principal(ctx, princ); + krb5_cc_close(ctx, ccache); + krb5_free_context(ctx); + return; + } + + ticket_realm = strrchr(name, '@'); + if (ticket_realm != NULL) { + realm = isc_mem_strdup(mctx, ticket_realm); + } + + free(name); + krb5_free_principal(ctx, princ); + krb5_cc_close(ctx, ccache); + krb5_free_context(ctx); + if (realm != NULL && debugging) + fprintf(stderr, "Found realm from ticket: %s\n", realm+1); +} + + +static void +start_gssrequest(dns_name_t *master) { gss_ctx_id_t context; isc_buffer_t buf; isc_result_t result; @@ -2330,12 +2496,13 @@ start_gssrequest(dns_name_t *master) dns_fixedname_t fname; char namestr[DNS_NAME_FORMATSIZE]; char keystr[DNS_NAME_FORMATSIZE]; + char *err_message = NULL; debug("start_gssrequest"); usevc = ISC_TRUE; if (gssring != NULL) - dns_tsigkeyring_destroy(&gssring); + dns_tsigkeyring_detach(&gssring); gssring = NULL; result = dns_tsigkeyring_create(mctx, &gssring); @@ -2350,13 +2517,16 @@ start_gssrequest(dns_name_t *master) fatal("out of memory"); } if (userserver == NULL) - get_address(namestr, DNSDEFAULTPORT, kserver); + get_address(namestr, dnsport, kserver); else (void)memcpy(kserver, userserver, sizeof(isc_sockaddr_t)); dns_fixedname_init(&fname); servname = dns_fixedname_name(&fname); + if (realm == NULL) + get_ticket_realm(mctx); + result = isc_string_printf(servicename, sizeof(servicename), "DNS/%s%s", namestr, realm ? realm : ""); if (result != ISC_R_SUCCESS) @@ -2364,8 +2534,7 @@ start_gssrequest(dns_name_t *master) isc_result_totext(result)); isc_buffer_init(&buf, servicename, strlen(servicename)); isc_buffer_add(&buf, strlen(servicename)); - result = dns_name_fromtext(servname, &buf, dns_rootname, - ISC_FALSE, NULL); + result = dns_name_fromtext(servname, &buf, dns_rootname, 0, NULL); if (result != ISC_R_SUCCESS) fatal("dns_name_fromtext(servname) failed: %s", isc_result_totext(result)); @@ -2382,8 +2551,7 @@ start_gssrequest(dns_name_t *master) isc_buffer_init(&buf, keystr, strlen(keystr)); isc_buffer_add(&buf, strlen(keystr)); - result = dns_name_fromtext(keyname, &buf, dns_rootname, - ISC_FALSE, NULL); + result = dns_name_fromtext(keyname, &buf, dns_rootname, 0, NULL); if (result != ISC_R_SUCCESS) fatal("dns_name_fromtext(keyname) failed: %s", isc_result_totext(result)); @@ -2400,9 +2568,11 @@ start_gssrequest(dns_name_t *master) /* Build first request. */ context = GSS_C_NO_CONTEXT; result = dns_tkey_buildgssquery(rmsg, keyname, servname, NULL, 0, - &context, use_win2k_gsstsig); + &context, use_win2k_gsstsig, + mctx, &err_message); if (result == ISC_R_FAILURE) - fatal("Check your Kerberos ticket, it may have expired."); + fatal("tkey query failed: %s", + err_message != NULL ? err_message : "unknown error"); if (result != ISC_R_SUCCESS) fatal("dns_tkey_buildgssquery failed: %s", isc_result_totext(result)); @@ -2451,6 +2621,7 @@ recvgss(isc_task_t *task, isc_event_t *event) { isc_buffer_t buf; dns_name_t *servname; dns_fixedname_t fname; + char *err_message = NULL; UNUSED(task); @@ -2533,14 +2704,14 @@ recvgss(isc_task_t *task, isc_event_t *event) { servname = dns_fixedname_name(&fname); isc_buffer_init(&buf, servicename, strlen(servicename)); isc_buffer_add(&buf, strlen(servicename)); - result = dns_name_fromtext(servname, &buf, dns_rootname, - ISC_FALSE, NULL); + result = dns_name_fromtext(servname, &buf, dns_rootname, 0, NULL); check_result(result, "dns_name_fromtext"); tsigkey = NULL; result = dns_tkey_gssnegotiate(tsigquery, rcvmsg, servname, &context, &tsigkey, gssring, - use_win2k_gsstsig); + use_win2k_gsstsig, + &err_message); switch (result) { case DNS_R_CONTINUE: @@ -2583,7 +2754,9 @@ recvgss(isc_task_t *task, isc_event_t *event) { break; default: - fatal("dns_tkey_negotiategss: %s", isc_result_totext(result)); + fatal("dns_tkey_negotiategss: %s %s", + isc_result_totext(result), + err_message != NULL ? err_message : ""); } done: @@ -2693,8 +2866,8 @@ cleanup(void) { dns_tsigkey_detach(&tsigkey); } if (gssring != NULL) { - ddebug("Destroying GSS-TSIG keyring"); - dns_tsigkeyring_destroy(&gssring); + ddebug("Detaching GSS-TSIG keyring"); + dns_tsigkeyring_detach(&gssring); } if (kserver != NULL) { isc_mem_put(mctx, kserver, sizeof(isc_sockaddr_t)); diff --git a/bin/nsupdate/nsupdate.docbook b/bin/nsupdate/nsupdate.docbook index 4069a2b..2a92af4 100644 --- a/bin/nsupdate/nsupdate.docbook +++ b/bin/nsupdate/nsupdate.docbook @@ -18,10 +18,10 @@ - PERFORMANCE OF THIS SOFTWARE. --> - + - Jun 30, 2000 + Aug 25, 2009 nsupdate @@ -61,6 +61,7 @@ + @@ -76,7 +77,7 @@ DESCRIPTION nsupdate - is used to submit Dynamic DNS Update requests as defined in RFC2136 + is used to submit Dynamic DNS Update requests as defined in RFC 2136 to a name server. This allows resource records to be added or removed from a zone without manually editing the zone file. @@ -112,10 +113,14 @@ report additional debugging information to . + The option with an integer argument of zero or + higher sets the logging debug level. If zero, logging is disabled. + + Transaction signatures can be used to authenticate the Dynamic DNS updates. These use the TSIG resource record type described - in RFC2845 or the SIG(0) record described in RFC3535 and - RFC2931 or GSS-TSIG as described in RFC3645. TSIG relies on + in RFC 2845 or the SIG(0) record described in RFC 2535 and + RFC 2931 or GSS-TSIG as described in RFC 3645. TSIG relies on a shared secret that should only be known to nsupdate and the name server. Currently, the only supported encryption algorithm for TSIG is HMAC-MD5, @@ -132,46 +137,61 @@ record in a zone served by the name server. nsupdate does not read /etc/named.conf. - GSS-TSIG uses Kerberos credentials. + + + GSS-TSIG uses Kerberos credentials. Standard GSS-TSIG mode + is switched on with the flag. A + non-standards-compliant variant of GSS-TSIG used by Windows + 2000 can be switched on with the flag. nsupdate uses the or option to provide the shared secret needed to generate a TSIG record for authenticating Dynamic DNS update requests, default type - HMAC-MD5. These options are mutually exclusive. With the - option, nsupdate reads - the shared secret from the file keyfile, - whose name is of the form - K{name}.+157.+{random}.private. For - historical reasons, the file - K{name}.+157.+{random}.key must also be - present. When the option is used, a - signature is generated from + HMAC-MD5. These options are mutually exclusive. + + + When the option is used, a signature is + generated from hmac:keyname:secret. keyname is the name of the key, and - secret is the base64 encoded shared - secret. Use of the option is discouraged - because the shared secret is supplied as a command line - argument in clear text. This may be visible in the output - from + secret is the base64 encoded shared secret. + Use of the option is discouraged because the + shared secret is supplied as a command line argument in clear text. + This may be visible in the output from - ps1 - or in a history file maintained by the user's - shell. + ps1 + + or in a history file maintained by the user's shell. + With the + option, nsupdate reads + the shared secret from the file keyfile. + Keyfiles may be in two formats: a single file containing + a named.conf-format key + statement, which may be generated automatically by + ddns-confgen, or a pair of files whose names are + of the format K{name}.+157.+{random}.key and + K{name}.+157.+{random}.private, which can be + generated by dnssec-keygen. The may also be used to specify a SIG(0) key used to authenticate Dynamic DNS update requests. In this case, the key specified is not an HMAC-MD5 key. - The and specify that - GSS-TSIG is to be used. The should only - be used with old Microsoft Windows 2000 servers. + nsupdate can be run in a local-host only mode + using the flag. This sets the server address to + localhost (disabling the server so that the server + address cannot be overridden). Connections to the local server will + use a TSIG key found in /var/run/named/session.key, + which is automatically generated by named if any + local master zone has set update-policy to + local. The location of this key file can be + overridden with the option. - By default, - nsupdate + By default, nsupdate uses UDP to send update requests to the name server unless they are too large to fit in a UDP request in which case TCP will be used. The @@ -182,6 +202,10 @@ This may be preferable when a batch of update requests is made. + The sets the default port number to use for + connections to a name server. The default is 53. + + The option sets the maximum time an update request can take before it is aborted. The default is 300 seconds. Zero can be @@ -650,9 +674,9 @@ If there are, the update request fails. If this name does not exist, a CNAME for it is added. This ensures that when the CNAME is added, it cannot conflict with the - long-standing rule in RFC1034 that a name must not exist as any other + long-standing rule in RFC 1034 that a name must not exist as any other record type if it exists as a CNAME. - (The rule has been updated for DNSSEC in RFC2535 to allow CNAMEs to have + (The rule has been updated for DNSSEC in RFC 2535 to allow CNAMEs to have RRSIG, DNSKEY and NSEC records.) @@ -671,6 +695,15 @@ + /var/run/named/session.key + + + sets the default TSIG key for use in local-only mode + + + + + K{name}.+157.+{random}.key @@ -699,36 +732,26 @@ SEE ALSO - - RFC2136 - , - - RFC3007 - , - - RFC2104 - , - - RFC2845 - , - - RFC1034 - , - - RFC2535 - , + + RFC 2136, + RFC 3007, + RFC 2104, + RFC 2845, + RFC 1034, + RFC 2535, + RFC 2931, - RFC2931 + named8 , - named8 + ddns-confgen8 , dnssec-keygen8 . - + BUGS diff --git a/bin/nsupdate/nsupdate.html b/bin/nsupdate/nsupdate.html index a383617..f488315 100644 --- a/bin/nsupdate/nsupdate.html +++ b/bin/nsupdate/nsupdate.html @@ -14,7 +14,7 @@ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> - + @@ -29,12 +29,12 @@

    Synopsis

    -

    nsupdate [-d] [-D] [[-g] | [-o] | [-y [hmac:]keyname:secret] | [-k keyfile]] [-t timeout] [-u udptimeout] [-r udpretries] [-R randomdev] [-v] [filename]

    +

    nsupdate [-d] [-D] [[-g] | [-o] | [-l] | [-y [hmac:]keyname:secret] | [-k keyfile]] [-t timeout] [-u udptimeout] [-r udpretries] [-R randomdev] [-v] [filename]

    -

    DESCRIPTION

    +

    DESCRIPTION

    nsupdate - is used to submit Dynamic DNS Update requests as defined in RFC2136 + is used to submit Dynamic DNS Update requests as defined in RFC 2136 to a name server. This allows resource records to be added or removed from a zone without manually editing the zone file. @@ -70,10 +70,14 @@ report additional debugging information to -d.

    + The -L option with an integer argument of zero or + higher sets the logging debug level. If zero, logging is disabled. +

    +

    Transaction signatures can be used to authenticate the Dynamic DNS updates. These use the TSIG resource record type described - in RFC2845 or the SIG(0) record described in RFC3535 and - RFC2931 or GSS-TSIG as described in RFC3645. TSIG relies on + in RFC 2845 or the SIG(0) record described in RFC 2535 and + RFC 2931 or GSS-TSIG as described in RFC 3645. TSIG relies on a shared secret that should only be known to nsupdate and the name server. Currently, the only supported encryption algorithm for TSIG is HMAC-MD5, @@ -90,44 +94,59 @@ record in a zone served by the name server. nsupdate does not read /etc/named.conf. - GSS-TSIG uses Kerberos credentials. +

    +

    + GSS-TSIG uses Kerberos credentials. Standard GSS-TSIG mode + is switched on with the -g flag. A + non-standards-compliant variant of GSS-TSIG used by Windows + 2000 can be switched on with the -o flag.

    nsupdate uses the -y or -k option to provide the shared secret needed to generate a TSIG record for authenticating Dynamic DNS update requests, default type - HMAC-MD5. These options are mutually exclusive. With the - -k option, nsupdate reads - the shared secret from the file keyfile, - whose name is of the form - K{name}.+157.+{random}.private. For - historical reasons, the file - K{name}.+157.+{random}.key must also be - present. When the -y option is used, a - signature is generated from + HMAC-MD5. These options are mutually exclusive. +

    +

    + When the -y option is used, a signature is + generated from [hmac:]keyname:secret. keyname is the name of the key, and - secret is the base64 encoded shared - secret. Use of the -y option is discouraged - because the shared secret is supplied as a command line - argument in clear text. This may be visible in the output - from - ps(1) or in a history file maintained by the user's - shell. + secret is the base64 encoded shared secret. + Use of the -y option is discouraged because the + shared secret is supplied as a command line argument in clear text. + This may be visible in the output from + ps(1) + or in a history file maintained by the user's shell.

    + With the + -k option, nsupdate reads + the shared secret from the file keyfile. + Keyfiles may be in two formats: a single file containing + a named.conf-format key + statement, which may be generated automatically by + ddns-confgen, or a pair of files whose names are + of the format K{name}.+157.+{random}.key and + K{name}.+157.+{random}.private, which can be + generated by dnssec-keygen. The -k may also be used to specify a SIG(0) key used to authenticate Dynamic DNS update requests. In this case, the key specified is not an HMAC-MD5 key.

    - The -g and -o specify that - GSS-TSIG is to be used. The -o should only - be used with old Microsoft Windows 2000 servers. + nsupdate can be run in a local-host only mode + using the -l flag. This sets the server address to + localhost (disabling the server so that the server + address cannot be overridden). Connections to the local server will + use a TSIG key found in /var/run/named/session.key, + which is automatically generated by named if any + local master zone has set update-policy to + local. The location of this key file can be + overridden with the -k option.

    - By default, - nsupdate + By default, nsupdate uses UDP to send update requests to the name server unless they are too large to fit in a UDP request in which case TCP will be used. The @@ -138,6 +157,10 @@ This may be preferable when a batch of update requests is made.

    + The -p sets the default port number to use for + connections to a name server. The default is 53. +

    +

    The -t option sets the maximum time an update request can take before it is aborted. The default is 300 seconds. Zero can be @@ -169,7 +192,7 @@

    -

    INPUT FORMAT

    +

    INPUT FORMAT

    nsupdate reads input from filename @@ -457,7 +480,7 @@

    -

    EXAMPLES

    +

    EXAMPLES

    The examples below show how nsupdate @@ -504,19 +527,23 @@ If there are, the update request fails. If this name does not exist, a CNAME for it is added. This ensures that when the CNAME is added, it cannot conflict with the - long-standing rule in RFC1034 that a name must not exist as any other + long-standing rule in RFC 1034 that a name must not exist as any other record type if it exists as a CNAME. - (The rule has been updated for DNSSEC in RFC2535 to allow CNAMEs to have + (The rule has been updated for DNSSEC in RFC 2535 to allow CNAMEs to have RRSIG, DNSKEY and NSEC records.)

    -

    FILES

    +

    FILES

    /etc/resolv.conf

    used to identify default name server

    +
    /var/run/named/session.key
    +

    + sets the default TSIG key for use in local-only mode +

    K{name}.+157.+{random}.key

    base-64 encoding of HMAC-MD5 key created by @@ -530,20 +557,22 @@

    -

    SEE ALSO

    -

    RFC2136, - RFC3007, - RFC2104, - RFC2845, - RFC1034, - RFC2535, - RFC2931, +

    SEE ALSO

    +

    + RFC 2136, + RFC 3007, + RFC 2104, + RFC 2845, + RFC 1034, + RFC 2535, + RFC 2931, named(8), + ddns-confgen(8), dnssec-keygen(8).

    -

    BUGS

    +

    BUGS

    The TSIG key is redundantly stored in two separate files. This is a consequence of nsupdate using the DST library diff --git a/bin/rndc/Makefile.in b/bin/rndc/Makefile.in index 27d4611..6c7c56f 100644 --- a/bin/rndc/Makefile.in +++ b/bin/rndc/Makefile.in @@ -1,4 +1,4 @@ -# Copyright (C) 2004, 2007 Internet Systems Consortium, Inc. ("ISC") +# Copyright (C) 2004, 2007, 2009 Internet Systems Consortium, Inc. ("ISC") # Copyright (C) 2000-2002 Internet Software Consortium. # # Permission to use, copy, modify, and/or distribute this software for any @@ -13,7 +13,7 @@ # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR # PERFORMANCE OF THIS SOFTWARE. -# $Id: Makefile.in,v 1.44 2007-06-18 23:47:22 tbox Exp $ +# $Id: Makefile.in,v 1.49 2009-12-05 23:31:40 each Exp $ srcdir = @srcdir@ VPATH = @srcdir@ @@ -32,6 +32,7 @@ CWARNINGS = ISCCFGLIBS = ../../lib/isccfg/libisccfg.@A@ ISCCCLIBS = ../../lib/isccc/libisccc.@A@ ISCLIBS = ../../lib/isc/libisc.@A@ +ISCNOSYMLIBS = ../../lib/isc/libisc-nosymtbl.@A@ DNSLIBS = ../../lib/dns/libdns.@A@ @DNS_CRYPTO_LIBS@ BIND9LIBS = ../../lib/bind9/libbind9.@A@ @@ -41,26 +42,23 @@ ISCDEPLIBS = ../../lib/isc/libisc.@A@ DNSDEPLIBS = ../../lib/dns/libdns.@A@ BIND9DEPLIBS = ../../lib/bind9/libbind9.@A@ -RNDCLIBS = ${ISCCFGLIBS} ${ISCCCLIBS} ${BIND9LIBS} ${DNSLIBS} ${ISCLIBS} @LIBS@ +LIBS = ${ISCLIBS} @LIBS@ +NOSYMLIBS = ${ISCNOSYMLIBS} @LIBS@ + RNDCDEPLIBS = ${ISCCFGDEPLIBS} ${ISCCCDEPLIBS} ${BIND9DEPLIBS} ${DNSDEPLIBS} ${ISCDEPLIBS} -CONFLIBS = ${DNSLIBS} ${ISCLIBS} @LIBS@ CONFDEPLIBS = ${DNSDEPLIBS} ${ISCDEPLIBS} -SRCS= rndc.c rndc-confgen.c - -SUBDIRS = unix +SRCS= rndc.c -TARGETS = rndc@EXEEXT@ rndc-confgen@EXEEXT@ +TARGETS = rndc@EXEEXT@ -MANPAGES = rndc.8 rndc-confgen.8 rndc.conf.5 +MANPAGES = rndc.8 rndc.conf.5 -HTMLPAGES = rndc.html rndc-confgen.html rndc.conf.html +HTMLPAGES = rndc.html rndc.conf.html MANOBJS = ${MANPAGES} ${HTMLPAGES} -UOBJS = unix/os.@O@ - @BIND9_MAKE_RULES@ rndc.@O@: rndc.c @@ -70,18 +68,10 @@ rndc.@O@: rndc.c -DRNDC_KEYFILE=\"${sysconfdir}/rndc.key\" \ -c ${srcdir}/rndc.c -rndc-confgen.@O@: rndc-confgen.c - ${LIBTOOL_MODE_COMPILE} ${CC} ${ALL_CFLAGS} \ - -DRNDC_KEYFILE=\"${sysconfdir}/rndc.key\" \ - -c ${srcdir}/rndc-confgen.c - rndc@EXEEXT@: rndc.@O@ util.@O@ ${RNDCDEPLIBS} - ${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ rndc.@O@ util.@O@ \ - ${RNDCLIBS} - -rndc-confgen@EXEEXT@: rndc-confgen.@O@ util.@O@ ${UOBJS} ${CONFDEPLIBS} - ${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ rndc-confgen.@O@ util.@O@ \ - ${UOBJS} ${CONFLIBS} + export BASEOBJS="rndc.@O@ util.@O@"; \ + export LIBS0="${ISCCFGLIBS} ${ISCCCLIBS} ${BIND9LIBS} ${DNSLIBS}"; \ + ${FINALBUILDCMD} doc man:: ${MANOBJS} @@ -93,11 +83,9 @@ installdirs: $(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${mandir}/man8 $(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${mandir}/man5 -install:: rndc@EXEEXT@ rndc-confgen@EXEEXT@ installdirs +install:: rndc@EXEEXT@ installdirs ${LIBTOOL_MODE_INSTALL} ${INSTALL_PROGRAM} rndc@EXEEXT@ ${DESTDIR}${sbindir} - ${LIBTOOL_MODE_INSTALL} ${INSTALL_PROGRAM} rndc-confgen@EXEEXT@ ${DESTDIR}${sbindir} ${INSTALL_DATA} ${srcdir}/rndc.8 ${DESTDIR}${mandir}/man8 - ${INSTALL_DATA} ${srcdir}/rndc-confgen.8 ${DESTDIR}${mandir}/man8 ${INSTALL_DATA} ${srcdir}/rndc.conf.5 ${DESTDIR}${mandir}/man5 clean distclean maintainer-clean:: diff --git a/bin/rndc/include/rndc/os.h b/bin/rndc/include/rndc/os.h index 9f96165..91986cb 100644 --- a/bin/rndc/include/rndc/os.h +++ b/bin/rndc/include/rndc/os.h @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: os.h,v 1.9.332.2 2009-01-18 23:47:35 tbox Exp $ */ +/* $Id: os.h,v 1.12 2009-06-10 00:27:21 each Exp $ */ /*! \file */ @@ -27,12 +27,6 @@ ISC_LANG_BEGINDECLS -FILE *safe_create(const char *filename); -/*%< - * Open 'filename' for writing, truncate if necessary. If the file was - * created ensure that only the owner can read/write it. - */ - int set_user(FILE *fd, const char *user); /*%< * Set the owner of the file referenced by 'fd' to 'user'. diff --git a/bin/rndc/rndc-confgen.8 b/bin/rndc/rndc-confgen.8 deleted file mode 100644 index db45df4..0000000 --- a/bin/rndc/rndc-confgen.8 +++ /dev/null @@ -1,211 +0,0 @@ -.\" Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") -.\" Copyright (C) 2001, 2003 Internet Software Consortium. -.\" -.\" Permission to use, copy, modify, and/or distribute this software for any -.\" purpose with or without fee is hereby granted, provided that the above -.\" copyright notice and this permission notice appear in all copies. -.\" -.\" THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH -.\" REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY -.\" AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, -.\" INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM -.\" LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE -.\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR -.\" PERFORMANCE OF THIS SOFTWARE. -.\" -.\" $Id: rndc-confgen.8,v 1.20.418.1 2009-07-11 01:55:21 tbox Exp $ -.\" -.hy 0 -.ad l -.\" Title: rndc\-confgen -.\" Author: -.\" Generator: DocBook XSL Stylesheets v1.71.1 -.\" Date: Aug 27, 2001 -.\" Manual: BIND9 -.\" Source: BIND9 -.\" -.TH "RNDC\-CONFGEN" "8" "Aug 27, 2001" "BIND9" "BIND9" -.\" disable hyphenation -.nh -.\" disable justification (adjust text to left margin only) -.ad l -.SH "NAME" -rndc\-confgen \- rndc key generation tool -.SH "SYNOPSIS" -.HP 13 -\fBrndc\-confgen\fR [\fB\-a\fR] [\fB\-b\ \fR\fB\fIkeysize\fR\fR] [\fB\-c\ \fR\fB\fIkeyfile\fR\fR] [\fB\-h\fR] [\fB\-k\ \fR\fB\fIkeyname\fR\fR] [\fB\-p\ \fR\fB\fIport\fR\fR] [\fB\-r\ \fR\fB\fIrandomfile\fR\fR] [\fB\-s\ \fR\fB\fIaddress\fR\fR] [\fB\-t\ \fR\fB\fIchrootdir\fR\fR] [\fB\-u\ \fR\fB\fIuser\fR\fR] -.SH "DESCRIPTION" -.PP -\fBrndc\-confgen\fR -generates configuration files for -\fBrndc\fR. It can be used as a convenient alternative to writing the -\fIrndc.conf\fR -file and the corresponding -\fBcontrols\fR -and -\fBkey\fR -statements in -\fInamed.conf\fR -by hand. Alternatively, it can be run with the -\fB\-a\fR -option to set up a -\fIrndc.key\fR -file and avoid the need for a -\fIrndc.conf\fR -file and a -\fBcontrols\fR -statement altogether. -.SH "OPTIONS" -.PP -\-a -.RS 4 -Do automatic -\fBrndc\fR -configuration. This creates a file -\fIrndc.key\fR -in -\fI/etc\fR -(or whatever -\fIsysconfdir\fR -was specified as when -BIND -was built) that is read by both -\fBrndc\fR -and -\fBnamed\fR -on startup. The -\fIrndc.key\fR -file defines a default command channel and authentication key allowing -\fBrndc\fR -to communicate with -\fBnamed\fR -on the local host with no further configuration. -.sp -Running -\fBrndc\-confgen \-a\fR -allows BIND 9 and -\fBrndc\fR -to be used as drop\-in replacements for BIND 8 and -\fBndc\fR, with no changes to the existing BIND 8 -\fInamed.conf\fR -file. -.sp -If a more elaborate configuration than that generated by -\fBrndc\-confgen \-a\fR -is required, for example if rndc is to be used remotely, you should run -\fBrndc\-confgen\fR -without the -\fB\-a\fR -option and set up a -\fIrndc.conf\fR -and -\fInamed.conf\fR -as directed. -.RE -.PP -\-b \fIkeysize\fR -.RS 4 -Specifies the size of the authentication key in bits. Must be between 1 and 512 bits; the default is 128. -.RE -.PP -\-c \fIkeyfile\fR -.RS 4 -Used with the -\fB\-a\fR -option to specify an alternate location for -\fIrndc.key\fR. -.RE -.PP -\-h -.RS 4 -Prints a short summary of the options and arguments to -\fBrndc\-confgen\fR. -.RE -.PP -\-k \fIkeyname\fR -.RS 4 -Specifies the key name of the rndc authentication key. This must be a valid domain name. The default is -\fBrndc\-key\fR. -.RE -.PP -\-p \fIport\fR -.RS 4 -Specifies the command channel port where -\fBnamed\fR -listens for connections from -\fBrndc\fR. The default is 953. -.RE -.PP -\-r \fIrandomfile\fR -.RS 4 -Specifies a source of random data for generating the authorization. If the operating system does not provide a -\fI/dev/random\fR -or equivalent device, the default source of randomness is keyboard input. -\fIrandomdev\fR -specifies the name of a character device or file containing random data to be used instead of the default. The special value -\fIkeyboard\fR -indicates that keyboard input should be used. -.RE -.PP -\-s \fIaddress\fR -.RS 4 -Specifies the IP address where -\fBnamed\fR -listens for command channel connections from -\fBrndc\fR. The default is the loopback address 127.0.0.1. -.RE -.PP -\-t \fIchrootdir\fR -.RS 4 -Used with the -\fB\-a\fR -option to specify a directory where -\fBnamed\fR -will run chrooted. An additional copy of the -\fIrndc.key\fR -will be written relative to this directory so that it will be found by the chrooted -\fBnamed\fR. -.RE -.PP -\-u \fIuser\fR -.RS 4 -Used with the -\fB\-a\fR -option to set the owner of the -\fIrndc.key\fR -file generated. If -\fB\-t\fR -is also specified only the file in the chroot area has its owner changed. -.RE -.SH "EXAMPLES" -.PP -To allow -\fBrndc\fR -to be used with no manual configuration, run -.PP -\fBrndc\-confgen \-a\fR -.PP -To print a sample -\fIrndc.conf\fR -file and corresponding -\fBcontrols\fR -and -\fBkey\fR -statements to be manually inserted into -\fInamed.conf\fR, run -.PP -\fBrndc\-confgen\fR -.SH "SEE ALSO" -.PP -\fBrndc\fR(8), -\fBrndc.conf\fR(5), -\fBnamed\fR(8), -BIND 9 Administrator Reference Manual. -.SH "AUTHOR" -.PP -Internet Systems Consortium -.SH "COPYRIGHT" -Copyright \(co 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") -.br -Copyright \(co 2001, 2003 Internet Software Consortium. -.br diff --git a/bin/rndc/rndc-confgen.c b/bin/rndc/rndc-confgen.c deleted file mode 100644 index 1cb0a0a..0000000 --- a/bin/rndc/rndc-confgen.c +++ /dev/null @@ -1,342 +0,0 @@ -/* - * Copyright (C) 2004, 2005, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") - * Copyright (C) 2001, 2003 Internet Software Consortium. - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH - * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY - * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, - * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM - * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE - * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - * PERFORMANCE OF THIS SOFTWARE. - */ - -/* $Id: rndc-confgen.c,v 1.26 2008-10-15 23:47:31 tbox Exp $ */ - -/*! \file */ - -/** - * rndc-confgen generates configuration files for rndc. It can be used - * as a convenient alternative to writing the rndc.conf file and the - * corresponding controls and key statements in named.conf by hand. - * Alternatively, it can be run with the -a option to set up a - * rndc.key file and avoid the need for a rndc.conf file and a - * controls statement altogether. - */ - -#include - -#include -#include - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include - -#include -#include - -#include "util.h" - -#define DEFAULT_KEYLENGTH 128 /*% Bits. */ -#define DEFAULT_KEYNAME "rndc-key" -#define DEFAULT_SERVER "127.0.0.1" -#define DEFAULT_PORT 953 - -static char program[256]; -const char *progname; - -isc_boolean_t verbose = ISC_FALSE; - -const char *keyfile, *keydef; - -static void -usage(int status) { - - fprintf(stderr, "\ -Usage:\n\ - %s [-a] [-b bits] [-c keyfile] [-k keyname] [-p port] [-r randomfile] \ -[-s addr] [-t chrootdir] [-u user]\n\ - -a: generate just the key clause and write it to keyfile (%s)\n\ - -b bits: from 1 through 512, default %d; total length of the secret\n\ - -c keyfile: specify an alternate key file (requires -a)\n\ - -k keyname: the name as it will be used in named.conf and rndc.conf\n\ - -p port: the port named will listen on and rndc will connect to\n\ - -r randomfile: a file containing random data\n\ - -s addr: the address to which rndc should connect\n\ - -t chrootdir: write a keyfile in chrootdir as well (requires -a)\n\ - -u user: set the keyfile owner to \"user\" (requires -a)\n", - progname, keydef, DEFAULT_KEYLENGTH); - - exit (status); -} - -/*% - * Write an rndc.key file to 'keyfile'. If 'user' is non-NULL, - * make that user the owner of the file. The key will have - * the name 'keyname' and the secret in the buffer 'secret'. - */ -static void -write_key_file(const char *keyfile, const char *user, - const char *keyname, isc_buffer_t *secret ) -{ - FILE *fd; - - fd = safe_create(keyfile); - if (fd == NULL) - fatal( "unable to create \"%s\"\n", keyfile); - if (user != NULL) { - if (set_user(fd, user) == -1) - fatal("unable to set file owner\n"); - } - fprintf(fd, "key \"%s\" {\n\talgorithm hmac-md5;\n" - "\tsecret \"%.*s\";\n};\n", keyname, - (int)isc_buffer_usedlength(secret), - (char *)isc_buffer_base(secret)); - fflush(fd); - if (ferror(fd)) - fatal("write to %s failed\n", keyfile); - if (fclose(fd)) - fatal("fclose(%s) failed\n", keyfile); - fprintf(stderr, "wrote key file \"%s\"\n", keyfile); -} - -int -main(int argc, char **argv) { - isc_boolean_t show_final_mem = ISC_FALSE; - isc_buffer_t key_rawbuffer; - isc_buffer_t key_txtbuffer; - isc_region_t key_rawregion; - isc_mem_t *mctx = NULL; - isc_entropy_t *ectx = NULL; - isc_entropysource_t *entropy_source = NULL; - isc_result_t result = ISC_R_SUCCESS; - dst_key_t *key = NULL; - const char *keyname = NULL; - const char *randomfile = NULL; - const char *serveraddr = NULL; - char key_rawsecret[64]; - char key_txtsecret[256]; - char *p; - int ch; - int port; - int keysize; - int entropy_flags = 0; - int open_keyboard = ISC_ENTROPY_KEYBOARDMAYBE; - struct in_addr addr4_dummy; - struct in6_addr addr6_dummy; - char *chrootdir = NULL; - char *user = NULL; - isc_boolean_t keyonly = ISC_FALSE; - int len; - - keydef = keyfile = RNDC_KEYFILE; - - result = isc_file_progname(*argv, program, sizeof(program)); - if (result != ISC_R_SUCCESS) - memcpy(program, "rndc-confgen", 13); - progname = program; - - keyname = DEFAULT_KEYNAME; - keysize = DEFAULT_KEYLENGTH; - serveraddr = DEFAULT_SERVER; - port = DEFAULT_PORT; - - isc_commandline_errprint = ISC_FALSE; - - while ((ch = isc_commandline_parse(argc, argv, - "ab:c:hk:Mmp:r:s:t:u:Vy")) != -1) { - switch (ch) { - case 'a': - keyonly = ISC_TRUE; - break; - case 'b': - keysize = strtol(isc_commandline_argument, &p, 10); - if (*p != '\0' || keysize < 0) - fatal("-b requires a non-negative number"); - if (keysize < 1 || keysize > 512) - fatal("-b must be in the range 1 through 512"); - break; - case 'c': - keyfile = isc_commandline_argument; - break; - case 'h': - usage(0); - case 'k': - case 'y': /* Compatible with rndc -y. */ - keyname = isc_commandline_argument; - break; - case 'M': - isc_mem_debugging = ISC_MEM_DEBUGTRACE; - break; - - case 'm': - show_final_mem = ISC_TRUE; - break; - case 'p': - port = strtol(isc_commandline_argument, &p, 10); - if (*p != '\0' || port < 0 || port > 65535) - fatal("port '%s' out of range", - isc_commandline_argument); - break; - case 'r': - randomfile = isc_commandline_argument; - break; - case 's': - serveraddr = isc_commandline_argument; - if (inet_pton(AF_INET, serveraddr, &addr4_dummy) != 1 && - inet_pton(AF_INET6, serveraddr, &addr6_dummy) != 1) - fatal("-s should be an IPv4 or IPv6 address"); - break; - case 't': - chrootdir = isc_commandline_argument; - break; - case 'u': - user = isc_commandline_argument; - break; - case 'V': - verbose = ISC_TRUE; - break; - case '?': - if (isc_commandline_option != '?') { - fprintf(stderr, "%s: invalid argument -%c\n", - program, isc_commandline_option); - usage(1); - } else - usage(0); - break; - default: - fprintf(stderr, "%s: unhandled option -%c\n", - program, isc_commandline_option); - exit(1); - } - } - - argc -= isc_commandline_index; - argv += isc_commandline_index; - - if (argc > 0) - usage(1); - - DO("create memory context", isc_mem_create(0, 0, &mctx)); - - DO("create entropy context", isc_entropy_create(mctx, &ectx)); - - if (randomfile != NULL && strcmp(randomfile, "keyboard") == 0) { - randomfile = NULL; - open_keyboard = ISC_ENTROPY_KEYBOARDYES; - } - DO("start entropy source", isc_entropy_usebestsource(ectx, - &entropy_source, - randomfile, - open_keyboard)); - - entropy_flags = ISC_ENTROPY_BLOCKING | ISC_ENTROPY_GOODONLY; - - DO("initialize dst library", dst_lib_init(mctx, ectx, entropy_flags)); - - DO("generate key", dst_key_generate(dns_rootname, DST_ALG_HMACMD5, - keysize, 0, 0, - DNS_KEYPROTO_ANY, - dns_rdataclass_in, mctx, &key)); - - isc_buffer_init(&key_rawbuffer, &key_rawsecret, sizeof(key_rawsecret)); - - DO("dump key to buffer", dst_key_tobuffer(key, &key_rawbuffer)); - - isc_buffer_init(&key_txtbuffer, &key_txtsecret, sizeof(key_txtsecret)); - isc_buffer_usedregion(&key_rawbuffer, &key_rawregion); - - DO("bsse64 encode secret", isc_base64_totext(&key_rawregion, -1, "", - &key_txtbuffer)); - - /* - * Shut down the entropy source now so the "stop typing" message - * does not muck with the output. - */ - if (entropy_source != NULL) - isc_entropy_destroysource(&entropy_source); - - if (key != NULL) - dst_key_free(&key); - - isc_entropy_detach(&ectx); - dst_lib_destroy(); - - if (keyonly) { - write_key_file(keyfile, chrootdir == NULL ? user : NULL, - keyname, &key_txtbuffer); - - if (chrootdir != NULL) { - char *buf; - len = strlen(chrootdir) + strlen(keyfile) + 2; - buf = isc_mem_get(mctx, len); - if (buf == NULL) - fatal("isc_mem_get(%d) failed\n", len); - snprintf(buf, len, "%s%s%s", chrootdir, - (*keyfile != '/') ? "/" : "", keyfile); - - write_key_file(buf, user, keyname, &key_txtbuffer); - isc_mem_put(mctx, buf, len); - } - } else { - printf("\ -# Start of rndc.conf\n\ -key \"%s\" {\n\ - algorithm hmac-md5;\n\ - secret \"%.*s\";\n\ -};\n\ -\n\ -options {\n\ - default-key \"%s\";\n\ - default-server %s;\n\ - default-port %d;\n\ -};\n\ -# End of rndc.conf\n\ -\n\ -# Use with the following in named.conf, adjusting the allow list as needed:\n\ -# key \"%s\" {\n\ -# algorithm hmac-md5;\n\ -# secret \"%.*s\";\n\ -# };\n\ -# \n\ -# controls {\n\ -# inet %s port %d\n\ -# allow { %s; } keys { \"%s\"; };\n\ -# };\n\ -# End of named.conf\n", - keyname, - (int)isc_buffer_usedlength(&key_txtbuffer), - (char *)isc_buffer_base(&key_txtbuffer), - keyname, serveraddr, port, - keyname, - (int)isc_buffer_usedlength(&key_txtbuffer), - (char *)isc_buffer_base(&key_txtbuffer), - serveraddr, port, serveraddr, keyname); - } - - if (show_final_mem) - isc_mem_stats(mctx, stderr); - - isc_mem_destroy(&mctx); - - return (0); -} diff --git a/bin/rndc/rndc-confgen.docbook b/bin/rndc/rndc-confgen.docbook deleted file mode 100644 index f71dd9f..0000000 --- a/bin/rndc/rndc-confgen.docbook +++ /dev/null @@ -1,286 +0,0 @@ -]> - - - - - - Aug 27, 2001 - - - - rndc-confgen - 8 - BIND9 - - - - rndc-confgen - rndc key generation tool - - - - - 2004 - 2005 - 2007 - Internet Systems Consortium, Inc. ("ISC") - - - 2001 - 2003 - Internet Software Consortium. - - - - - - rndc-confgen - - - - - - - - - - - - - - - DESCRIPTION - rndc-confgen - generates configuration files - for rndc. It can be used as a - convenient alternative to writing the - rndc.conf file - and the corresponding controls - and key - statements in named.conf by hand. - Alternatively, it can be run with the -a - option to set up a rndc.key file and - avoid the need for a rndc.conf file - and a controls statement altogether. - - - - - - OPTIONS - - - - -a - - - Do automatic rndc configuration. - This creates a file rndc.key - in /etc (or whatever - sysconfdir - was specified as when BIND was - built) - that is read by both rndc - and named on startup. The - rndc.key file defines a default - command channel and authentication key allowing - rndc to communicate with - named on the local host - with no further configuration. - - - Running rndc-confgen -a allows - BIND 9 and rndc to be used as - drop-in - replacements for BIND 8 and ndc, - with no changes to the existing BIND 8 - named.conf file. - - - If a more elaborate configuration than that - generated by rndc-confgen -a - is required, for example if rndc is to be used remotely, - you should run rndc-confgen without - the - -a option and set up a - rndc.conf and - named.conf - as directed. - - - - - - -b keysize - - - Specifies the size of the authentication key in bits. - Must be between 1 and 512 bits; the default is 128. - - - - - - -c keyfile - - - Used with the -a option to specify - an alternate location for rndc.key. - - - - - - -h - - - Prints a short summary of the options and arguments to - rndc-confgen. - - - - - - -k keyname - - - Specifies the key name of the rndc authentication key. - This must be a valid domain name. - The default is rndc-key. - - - - - - -p port - - - Specifies the command channel port where named - listens for connections from rndc. - The default is 953. - - - - - - -r randomfile - - - Specifies a source of random data for generating the - authorization. If the operating - system does not provide a /dev/random - or equivalent device, the default source of randomness - is keyboard input. randomdev - specifies - the name of a character device or file containing random - data to be used instead of the default. The special value - keyboard indicates that keyboard - input should be used. - - - - - - -s address - - - Specifies the IP address where named - listens for command channel connections from - rndc. The default is the loopback - address 127.0.0.1. - - - - - - -t chrootdir - - - Used with the -a option to specify - a directory where named will run - chrooted. An additional copy of the rndc.key - will be written relative to this directory so that - it will be found by the chrooted named. - - - - - - -u user - - - Used with the -a option to set the - owner - of the rndc.key file generated. - If - -t is also specified only the file - in - the chroot area has its owner changed. - - - - - - - - - EXAMPLES - - To allow rndc to be used with - no manual configuration, run - - rndc-confgen -a - - - To print a sample rndc.conf file and - corresponding controls and key - statements to be manually inserted into named.conf, - run - - rndc-confgen - - - - - SEE ALSO - - rndc8 - , - - rndc.conf5 - , - - named8 - , - BIND 9 Administrator Reference Manual. - - - - - AUTHOR - Internet Systems Consortium - - - - diff --git a/bin/rndc/rndc-confgen.html b/bin/rndc/rndc-confgen.html deleted file mode 100644 index 6ef1073..0000000 --- a/bin/rndc/rndc-confgen.html +++ /dev/null @@ -1,188 +0,0 @@ - - - - - -rndc-confgen - - -

    -
    -
    -

    Name

    -

    rndc-confgen — rndc key generation tool

    -
    -
    -

    Synopsis

    -

    rndc-confgen [-a] [-b keysize] [-c keyfile] [-h] [-k keyname] [-p port] [-r randomfile] [-s address] [-t chrootdir] [-u user]

    -
    -
    -

    DESCRIPTION

    -

    rndc-confgen - generates configuration files - for rndc. It can be used as a - convenient alternative to writing the - rndc.conf file - and the corresponding controls - and key - statements in named.conf by hand. - Alternatively, it can be run with the -a - option to set up a rndc.key file and - avoid the need for a rndc.conf file - and a controls statement altogether. -

    -
    -
    -

    OPTIONS

    -
    -
    -a
    -
    -

    - Do automatic rndc configuration. - This creates a file rndc.key - in /etc (or whatever - sysconfdir - was specified as when BIND was - built) - that is read by both rndc - and named on startup. The - rndc.key file defines a default - command channel and authentication key allowing - rndc to communicate with - named on the local host - with no further configuration. -

    -

    - Running rndc-confgen -a allows - BIND 9 and rndc to be used as - drop-in - replacements for BIND 8 and ndc, - with no changes to the existing BIND 8 - named.conf file. -

    -

    - If a more elaborate configuration than that - generated by rndc-confgen -a - is required, for example if rndc is to be used remotely, - you should run rndc-confgen without - the - -a option and set up a - rndc.conf and - named.conf - as directed. -

    -
    -
    -b keysize
    -

    - Specifies the size of the authentication key in bits. - Must be between 1 and 512 bits; the default is 128. -

    -
    -c keyfile
    -

    - Used with the -a option to specify - an alternate location for rndc.key. -

    -
    -h
    -

    - Prints a short summary of the options and arguments to - rndc-confgen. -

    -
    -k keyname
    -

    - Specifies the key name of the rndc authentication key. - This must be a valid domain name. - The default is rndc-key. -

    -
    -p port
    -

    - Specifies the command channel port where named - listens for connections from rndc. - The default is 953. -

    -
    -r randomfile
    -

    - Specifies a source of random data for generating the - authorization. If the operating - system does not provide a /dev/random - or equivalent device, the default source of randomness - is keyboard input. randomdev - specifies - the name of a character device or file containing random - data to be used instead of the default. The special value - keyboard indicates that keyboard - input should be used. -

    -
    -s address
    -

    - Specifies the IP address where named - listens for command channel connections from - rndc. The default is the loopback - address 127.0.0.1. -

    -
    -t chrootdir
    -

    - Used with the -a option to specify - a directory where named will run - chrooted. An additional copy of the rndc.key - will be written relative to this directory so that - it will be found by the chrooted named. -

    -
    -u user
    -

    - Used with the -a option to set the - owner - of the rndc.key file generated. - If - -t is also specified only the file - in - the chroot area has its owner changed. -

    -
    -
    -
    -

    EXAMPLES

    -

    - To allow rndc to be used with - no manual configuration, run -

    -

    rndc-confgen -a -

    -

    - To print a sample rndc.conf file and - corresponding controls and key - statements to be manually inserted into named.conf, - run -

    -

    rndc-confgen -

    -
    -
    -

    SEE ALSO

    -

    rndc(8), - rndc.conf(5), - named(8), - BIND 9 Administrator Reference Manual. -

    -
    -
    -

    AUTHOR

    -

    Internet Systems Consortium -

    -
    -
    - diff --git a/bin/rndc/rndc.8 b/bin/rndc/rndc.8 index 285ca9b..e4d723b 100644 --- a/bin/rndc/rndc.8 +++ b/bin/rndc/rndc.8 @@ -13,7 +13,7 @@ .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR .\" PERFORMANCE OF THIS SOFTWARE. .\" -.\" $Id: rndc.8,v 1.42.214.1 2009-07-11 01:55:21 tbox Exp $ +.\" $Id: rndc.8,v 1.43 2009-07-11 01:12:46 tbox Exp $ .\" .hy 0 .ad l diff --git a/bin/rndc/rndc.c b/bin/rndc/rndc.c index 133103e..1976d9c 100644 --- a/bin/rndc/rndc.c +++ b/bin/rndc/rndc.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004-2009 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004-2011 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 2000-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: rndc.c,v 1.122.44.2 2009-01-18 23:47:35 tbox Exp $ */ +/* $Id: rndc.c,v 1.131.20.1.2.1 2011-06-02 23:47:28 tbox Exp $ */ /*! \file */ @@ -79,6 +79,7 @@ static unsigned char databuf[2048]; static isccc_ccmsg_t ccmsg; static isccc_region_t secret; static isc_boolean_t failed = ISC_FALSE; +static isc_boolean_t c_flag = ISC_FALSE; static isc_mem_t *mctx; static int sends, recvs, connects; static char *command; @@ -89,10 +90,13 @@ static isc_uint32_t serial; static void rndc_startconnect(isc_sockaddr_t *addr, isc_task_t *task); +ISC_PLATFORM_NORETURN_PRE static void +usage(int status) ISC_PLATFORM_NORETURN_POST; + static void usage(int status) { fprintf(stderr, "\ -Usage: %s [-c config] [-s server] [-p port]\n\ +Usage: %s [-b address] [-c config] [-s server] [-p port]\n\ [-k key-file ] [-y key] [-V] command\n\ \n\ command is one of the following:\n\ @@ -113,10 +117,16 @@ command is one of the following:\n\ notify zone [class [view]]\n\ Resend NOTIFY messages for the zone.\n\ reconfig Reload configuration file and new zones only.\n\ + sign zone [class [view]]\n\ + Update zone keys, and sign as needed.\n\ + loadkeys zone [class [view]]\n\ + Update keys without signing immediately.\n\ stats Write server statistics to the statistics file.\n\ querylog Toggle query logging.\n\ dumpdb [-all|-cache|-zones] [view ...]\n\ Dump cache(s) to the dump file (named_dump.db).\n\ + secroots [view ...]\n\ + Write security roots to the secroots file.\n\ stop Save pending updates to master files and stop the server.\n\ stop -p Save pending updates to master files and stop the server\n\ reporting process id.\n\ @@ -135,6 +145,10 @@ command is one of the following:\n\ validation newstate [view]\n\ Enable / disable DNSSEC validation.\n\ *restart Restart the server.\n\ + addzone [\"file\"] zone [class [view]] { zone-options }\n\ + Add zone to given view. Requires new-zone-file option.\n\ + delzone [\"file\"] zone [class [view]]\n\ + Removes zone from given view. Requires new-zone-file option.\n\ \n\ * == not yet implemented\n\ Version: %s\n", @@ -455,6 +469,10 @@ parse_config(isc_mem_t *mctx, isc_log_t *log, const char *keyname, fatal("neither %s nor %s was found", admin_conffile, admin_keyfile); key_only = ISC_TRUE; + } else if (! c_flag && isc_file_exists(admin_keyfile)) { + fprintf(stderr, "WARNING: key file (%s) exists, but using " + "default configuration file (%s)\n", + admin_keyfile, admin_conffile); } DO("create parser", cfg_parser_create(mctx, log, pctxp)); @@ -709,6 +727,7 @@ main(int argc, char **argv) { case 'c': admin_conffile = isc_commandline_argument; + c_flag = ISC_TRUE; break; case 'k': diff --git a/bin/rndc/rndc.conf.5 b/bin/rndc/rndc.conf.5 index d7ad81e..54c4af9 100644 --- a/bin/rndc/rndc.conf.5 +++ b/bin/rndc/rndc.conf.5 @@ -13,7 +13,7 @@ .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR .\" PERFORMANCE OF THIS SOFTWARE. .\" -.\" $Id: rndc.conf.5,v 1.38.366.1 2009-07-11 01:55:21 tbox Exp $ +.\" $Id: rndc.conf.5,v 1.41 2009-07-11 01:12:46 tbox Exp $ .\" .hy 0 .ad l diff --git a/bin/rndc/rndc.conf.html b/bin/rndc/rndc.conf.html index 114cc15..463b99f 100644 --- a/bin/rndc/rndc.conf.html +++ b/bin/rndc/rndc.conf.html @@ -14,7 +14,7 @@ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> - + diff --git a/bin/rndc/rndc.html b/bin/rndc/rndc.html index 0d91784..ecc0f31 100644 --- a/bin/rndc/rndc.html +++ b/bin/rndc/rndc.html @@ -14,7 +14,7 @@ - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - PERFORMANCE OF THIS SOFTWARE. --> - + diff --git a/bin/rndc/unix/Makefile.in b/bin/rndc/unix/Makefile.in deleted file mode 100644 index e503db3..0000000 --- a/bin/rndc/unix/Makefile.in +++ /dev/null @@ -1,36 +0,0 @@ -# Copyright (C) 2004, 2007 Internet Systems Consortium, Inc. ("ISC") -# Copyright (C) 2001 Internet Software Consortium. -# -# Permission to use, copy, modify, and/or distribute this software for any -# purpose with or without fee is hereby granted, provided that the above -# copyright notice and this permission notice appear in all copies. -# -# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH -# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY -# AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, -# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM -# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE -# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR -# PERFORMANCE OF THIS SOFTWARE. - -# $Id: Makefile.in,v 1.5 2007-06-19 23:46:59 tbox Exp $ - -srcdir = @srcdir@ -VPATH = @srcdir@ -top_srcdir = @top_srcdir@ - -@BIND9_MAKE_INCLUDES@ - -CINCLUDES = -I${srcdir}/include -I${srcdir}/../include \ - ${DNS_INCLUDES} ${ISC_INCLUDES} - -CDEFINES = -CWARNINGS = - -OBJS = os.@O@ - -SRCS = os.c - -TARGETS = ${OBJS} - -@BIND9_MAKE_RULES@ diff --git a/bin/rndc/unix/os.c b/bin/rndc/unix/os.c deleted file mode 100644 index e9ece1b..0000000 --- a/bin/rndc/unix/os.c +++ /dev/null @@ -1,70 +0,0 @@ -/* - * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") - * Copyright (C) 2001 Internet Software Consortium. - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH - * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY - * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, - * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM - * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE - * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - * PERFORMANCE OF THIS SOFTWARE. - */ - -/* $Id: os.c,v 1.10 2007-06-19 23:46:59 tbox Exp $ */ - -/*! \file */ - -#include - -#include - -#include -#include -#include -#include -#include -#include -#include - -int -set_user(FILE *fd, const char *user) { - struct passwd *pw; - - pw = getpwnam(user); - if (pw == NULL) { - errno = EINVAL; - return (-1); - } - return (fchown(fileno(fd), pw->pw_uid, -1)); -} - -FILE * -safe_create(const char *filename) { - int fd; - FILE *f; - struct stat sb; - int flags = O_WRONLY; - - if (stat(filename, &sb) == -1) { - if (errno != ENOENT) - return (NULL); - flags = O_WRONLY | O_CREAT | O_EXCL; - } else if ((sb.st_mode & S_IFREG) == 0) { - errno = EOPNOTSUPP; - return (NULL); - } else - flags = O_WRONLY | O_TRUNC; - - fd = open(filename, flags, S_IRUSR | S_IWUSR); - if (fd == -1) - return (NULL); - f = fdopen(fd, "w"); - if (f == NULL) - close(fd); - return (f); -} diff --git a/bin/rndc/util.h b/bin/rndc/util.h index c5da488..8eba61a 100644 --- a/bin/rndc/util.h +++ b/bin/rndc/util.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004, 2005, 2007, 2009 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 2000, 2001 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -15,7 +15,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: util.h,v 1.10 2007-06-19 23:46:59 tbox Exp $ */ +/* $Id: util.h,v 1.12 2009-09-29 23:48:03 tbox Exp $ */ #ifndef RNDC_UTIL_H #define RNDC_UTIL_H 1 @@ -23,6 +23,7 @@ /*! \file */ #include +#include #include @@ -43,8 +44,9 @@ ISC_LANG_BEGINDECLS void notify(const char *fmt, ...) ISC_FORMAT_PRINTF(1, 2); -void -fatal(const char *format, ...) ISC_FORMAT_PRINTF(1, 2); +ISC_PLATFORM_NORETURN_PRE void +fatal(const char *format, ...) +ISC_FORMAT_PRINTF(1, 2) ISC_PLATFORM_NORETURN_POST; ISC_LANG_ENDDECLS diff --git a/bin/tools/Makefile.in b/bin/tools/Makefile.in new file mode 100644 index 0000000..35b8285 --- /dev/null +++ b/bin/tools/Makefile.in @@ -0,0 +1,103 @@ +# Copyright (C) 2009, 2010 Internet Systems Consortium, Inc. ("ISC") +# +# Permission to use, copy, modify, and/or distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH +# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY +# AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, +# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE +# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +# PERFORMANCE OF THIS SOFTWARE. + +# $Id: Makefile.in,v 1.13 2010-01-07 23:48:53 tbox Exp $ + +srcdir = @srcdir@ +VPATH = @srcdir@ +top_srcdir = @top_srcdir@ + +@BIND9_MAKE_INCLUDES@ + +CINCLUDES = ${DNS_INCLUDES} ${ISC_INCLUDES} ${ISCCFG_INCLUDES} \ + ${LWRES_INCLUDES} ${OMAPI_INCLUDES} + +CDEFINES = +CWARNINGS = + +DNSLIBS = ../../lib/dns/libdns.@A@ @DNS_CRYPTO_LIBS@ +ISCLIBS = ../../lib/isc/libisc.@A@ @DNS_CRYPTO_LIBS@ +ISCNOSYMLIBS = ../../lib/isc/libisc-nosymtbl.@A@ +ISCCFGLIBS = ../../lib/isccfg/libisccfg.@A@ +LWRESLIBS = ../../lib/lwres/liblwres.@A@ + +DNSDEPLIBS = ../../lib/dns/libdns.@A@ +ISCDEPLIBS = ../../lib/isc/libisc.@A@ +ISCCFGDEPLIBS = ../../lib/isccfg/libisccfg.@A@ +LWRESDEPLIBS = ../../lib/lwres/liblwres.@A@ + +LIBS = ${ISCLIBS} @LIBS@ +NOSYMLIBS = ${ISCNOSYMLIBS} @LIBS@ + +SUBDIRS = + +TARGETS = arpaname@EXEEXT@ named-journalprint@EXEEXT@ nsec3hash@EXEEXT@ \ + genrandom@EXEEXT@ isc-hmac-fixup@EXEEXT@ +SRCS = arpaname.c named-journalprint.c nsec3hash.c genrandom.c \ + isc-hmac-fixup.c + +MANPAGES = arpaname.1 named-journalprint.8 nsec3hash.8 genrandom.8 \ + isc-hmac-fixup.8 +HTMLPAGES = arpaname.html named-journalprint.html nsec3hash.html \ + genrandom.html isc-hmac-fixup.html +MANOBJS = ${MANPAGES} ${HTMLPAGES} + +@BIND9_MAKE_RULES@ + +arpaname@EXEEXT@: arpaname.@O@ ${ISCDEPLIBS} ${DNSDEPLIBS} + ${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ arpaname.@O@ \ + ${ISCLIBS} ${LIBS} + +named-journalprint@EXEEXT@: named-journalprint.@O@ ${ISCDEPLIBS} ${DNSDEPLIBS} + export BASEOBJS="named-journalprint.@O@"; \ + export LIBS0="${DNSLIBS}"; \ + ${FINALBUILDCMD} + +nsec3hash@EXEEXT@: nsec3hash.@O@ ${ISCDEPLIBS} ${DNSDEPLIBS} + export BASEOBJS="nsec3hash.@O@"; \ + export LIBS0="${DNSLIBS}"; \ + ${FINALBUILDCMD} + +isc-hmac-fixup@EXEEXT@: isc-hmac-fixup.@O@ ${ISCDEPLIBS} + export BASEOBJS="isc-hmac-fixup.@O@"; \ + export LIBS0="${ISCLIBS}"; \ + ${FINALBUILDCMD} + +genrandom@EXEEXT@: genrandom.@O@ + ${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ genrandom.@O@ @GENRANDOMLIB@ ${LIBS} + +doc man:: ${MANOBJS} + +docclean manclean maintainer-clean:: + rm -f ${MANOBJS} + +installdirs: + $(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${sbindir} + $(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${mandir}/man1 + $(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${mandir}/man8 + +install:: ${TARGETS} installdirs + ${LIBTOOL_MODE_INSTALL} ${INSTALL_PROGRAM} arpaname@EXEEXT@ ${DESTDIR}${sbindir} + ${LIBTOOL_MODE_INSTALL} ${INSTALL_PROGRAM} named-journalprint@EXEEXT@ ${DESTDIR}${sbindir} + ${LIBTOOL_MODE_INSTALL} ${INSTALL_PROGRAM} nsec3hash@EXEEXT@ ${DESTDIR}${sbindir} + ${LIBTOOL_MODE_INSTALL} ${INSTALL_PROGRAM} genrandom@EXEEXT@ ${DESTDIR}${sbindir} + ${LIBTOOL_MODE_INSTALL} ${INSTALL_PROGRAM} isc-hmac-fixup@EXEEXT@ ${DESTDIR}${sbindir} + ${INSTALL_DATA} ${srcdir}/arpaname.1 ${DESTDIR}${mandir}/man1 + ${INSTALL_DATA} ${srcdir}/isc-hmac-fixup.8 ${DESTDIR}${mandir}/man8 + ${INSTALL_DATA} ${srcdir}/named-journalprint.8 ${DESTDIR}${mandir}/man8 + ${INSTALL_DATA} ${srcdir}/nsec3hash.8 ${DESTDIR}${mandir}/man8 + ${INSTALL_DATA} ${srcdir}/genrandom.8 ${DESTDIR}${mandir}/man8 + +clean distclean:: + rm -f ${TARGETS} diff --git a/bin/tools/arpaname.1 b/bin/tools/arpaname.1 new file mode 100644 index 0000000..6662380 --- /dev/null +++ b/bin/tools/arpaname.1 @@ -0,0 +1,48 @@ +.\" Copyright (C) 2009 Internet Systems Consortium, Inc. ("ISC") +.\" +.\" Permission to use, copy, modify, and/or distribute this software for any +.\" purpose with or without fee is hereby granted, provided that the above +.\" copyright notice and this permission notice appear in all copies. +.\" +.\" THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH +.\" REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY +.\" AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, +.\" INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +.\" LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE +.\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +.\" PERFORMANCE OF THIS SOFTWARE. +.\" +.\" $Id: arpaname.1,v 1.4 2010-05-19 01:14:14 tbox Exp $ +.\" +.hy 0 +.ad l +.\" Title: arpaname +.\" Author: +.\" Generator: DocBook XSL Stylesheets v1.71.1 +.\" Date: March 4, 2009 +.\" Manual: BIND9 +.\" Source: BIND9 +.\" +.TH "ARPANAME" "1" "March 4, 2009" "BIND9" "BIND9" +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.SH "NAME" +arpaname \- translate IP addresses to the corresponding ARPA names +.SH "SYNOPSIS" +.HP 9 +\fBarpaname\fR {\fIipaddress\ \fR...} +.SH "DESCRIPTION" +.PP +\fBarpaname\fR +translates IP addresses (IPv4 and IPv6) to the corresponding IN\-ADDR.ARPA or IP6.ARPA names. +.SH "SEE ALSO" +.PP +BIND 9 Administrator Reference Manual. +.SH "AUTHOR" +.PP +Internet Systems Consortium +.SH "COPYRIGHT" +Copyright \(co 2009 Internet Systems Consortium, Inc. ("ISC") +.br diff --git a/bin/tools/arpaname.c b/bin/tools/arpaname.c new file mode 100644 index 0000000..e7f1434 --- /dev/null +++ b/bin/tools/arpaname.c @@ -0,0 +1,53 @@ +/* + * Copyright (C) 2009 Internet Systems Consortium, Inc. ("ISC") + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE + * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* $Id: arpaname.c,v 1.4 2009-10-27 03:05:33 marka Exp $ */ + +#include "config.h" + +#include + +#include + +#define UNUSED(x) (void)(x) + +int +main(int argc, char *argv[]) { + unsigned char buf[16]; + int i; + + UNUSED(argc); + + while (argv[1]) { + if (inet_pton(AF_INET6, argv[1], buf) == 1) { + for (i = 15; i >= 0; i--) + fprintf(stdout, "%X.%X.", buf[i] & 0xf, + (buf[i] >> 4) & 0xf); + fprintf(stdout, "IP6.ARPA\n"); + argv++; + continue; + } + if (inet_pton(AF_INET, argv[1], buf) == 1) { + fprintf(stdout, "%u.%u.%u.%u.IN-ADDR.ARPA\n", + buf[3], buf[2], buf[1], buf[0]); + argv++; + continue; + } + return (1); + } + fflush(stdout); + return(ferror(stdout)); +} diff --git a/bin/tools/arpaname.docbook b/bin/tools/arpaname.docbook new file mode 100644 index 0000000..a7eb79e --- /dev/null +++ b/bin/tools/arpaname.docbook @@ -0,0 +1,76 @@ +]> + + + + + + March 4, 2009 + + + + arpaname + 1 + BIND9 + + + + arpaname + translate IP addresses to the corresponding ARPA names + + + + + 2009 + Internet Systems Consortium, Inc. ("ISC") + + + + + + arpaname + ipaddress + + + + + DESCRIPTION + + arpaname translates IP addresses (IPv4 and + IPv6) to the corresponding IN-ADDR.ARPA or IP6.ARPA names. + + + + + SEE ALSO + + BIND 9 Administrator Reference Manual. + + + + + AUTHOR + Internet Systems Consortium + + + + diff --git a/bin/tools/arpaname.html b/bin/tools/arpaname.html new file mode 100644 index 0000000..e44cfbd --- /dev/null +++ b/bin/tools/arpaname.html @@ -0,0 +1,52 @@ + + + + + +arpaname + + +
    +
    +
    +

    Name

    +

    arpaname — translate IP addresses to the corresponding ARPA names

    +
    +
    +

    Synopsis

    +

    arpaname {ipaddress ...}

    +
    +
    +

    DESCRIPTION

    +

    + arpaname translates IP addresses (IPv4 and + IPv6) to the corresponding IN-ADDR.ARPA or IP6.ARPA names. +

    +
    +
    +

    SEE ALSO

    +

    + BIND 9 Administrator Reference Manual. +

    +
    +
    +

    AUTHOR

    +

    Internet Systems Consortium +

    +
    +
    + diff --git a/bin/tools/genrandom.8 b/bin/tools/genrandom.8 new file mode 100644 index 0000000..32a4ff0 --- /dev/null +++ b/bin/tools/genrandom.8 @@ -0,0 +1,69 @@ +.\" Copyright (C) 2009, 2010 Internet Systems Consortium, Inc. ("ISC") +.\" +.\" Permission to use, copy, modify, and/or distribute this software for any +.\" purpose with or without fee is hereby granted, provided that the above +.\" copyright notice and this permission notice appear in all copies. +.\" +.\" THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH +.\" REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY +.\" AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, +.\" INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +.\" LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE +.\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +.\" PERFORMANCE OF THIS SOFTWARE. +.\" +.\" $Id: genrandom.8,v 1.8 2010-05-19 01:14:14 tbox Exp $ +.\" +.hy 0 +.ad l +.\" Title: genrandom +.\" Author: +.\" Generator: DocBook XSL Stylesheets v1.71.1 +.\" Date: Feb 19, 2009 +.\" Manual: BIND9 +.\" Source: BIND9 +.\" +.TH "GENRANDOM" "8" "Feb 19, 2009" "BIND9" "BIND9" +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.SH "NAME" +genrandom \- generate a file containing random data +.SH "SYNOPSIS" +.HP 10 +\fBgenrandom\fR [\fB\-n\ \fR\fB\fInumber\fR\fR] {\fIsize\fR} {\fIfilename\fR} +.SH "DESCRIPTION" +.PP +\fBgenrandom\fR +generates a file or a set of files containing a specified quantity of pseudo\-random data, which can be used as a source of entropy for other commands on systems with no random device. +.SH "ARGUMENTS" +.PP +\-n \fInumber\fR +.RS 4 +In place of generating one file, generates +\fBnumber\fR +(from 2 to 9) files, appending +\fBnumber\fR +to the name. +.RE +.PP +size +.RS 4 +The size of the file, in kilobytes, to generate. +.RE +.PP +domain +.RS 4 +The file name into which random data should be written. +.RE +.SH "SEE ALSO" +.PP +\fBrand\fR(3), +\fBarc4random\fR(3) +.SH "AUTHOR" +.PP +Internet Systems Consortium +.SH "COPYRIGHT" +Copyright \(co 2009, 2010 Internet Systems Consortium, Inc. ("ISC") +.br diff --git a/bin/tools/genrandom.c b/bin/tools/genrandom.c new file mode 100644 index 0000000..8473be2 --- /dev/null +++ b/bin/tools/genrandom.c @@ -0,0 +1,136 @@ +/* + * Copyright (C) 2004, 2005, 2007, 2009, 2010 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2000-2003 Internet Software Consortium. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE + * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* $Id: genrandom.c,v 1.7 2010-05-17 23:51:04 tbox Exp $ */ + +/*! \file */ +#include + +#include +#include +#include +#include + +#include +#include + +const char *program = "genrandom"; + +ISC_PLATFORM_NORETURN_PRE static void +usage(void) ISC_PLATFORM_NORETURN_POST; + +static void +usage(void) { + fprintf(stderr, "usage: %s [-n 2..9] k file\n", program); + exit(1); +} + +static void +generate(char *filename, unsigned int bytes) { + FILE *fp; + + fp = fopen(filename, "w"); + if (fp == NULL) { + printf("failed to open %s\n", filename); + exit(1); + } + + while (bytes > 0) { +#ifndef HAVE_ARC4RANDOM + unsigned short int x = (rand() & 0xFFFF); +#else + unsigned short int x = (arc4random() & 0xFFFF); +#endif + unsigned char c = x & 0xFF; + if (putc(c, fp) == EOF) { + printf("error writing to %s\n", filename); + exit(1); + } + c = x >> 8; + if (putc(c, fp) == EOF) { + printf("error writing to %s\n", filename); + exit(1); + } + bytes -= 2; + } + fclose(fp); +} + +int +main(int argc, char **argv) { + unsigned int bytes; + unsigned int k; + char *endp; + int c, i, n = 1; + size_t len; + char *name; + + isc_commandline_errprint = ISC_FALSE; + + while ((c = isc_commandline_parse(argc, argv, "hn:")) != EOF) { + switch (c) { + case 'n': + n = strtol(isc_commandline_argument, &endp, 10); + if ((*endp != 0) || (n <= 1) || (n > 9)) + usage(); + break; + + case '?': + if (isc_commandline_option != '?') + fprintf(stderr, "%s: invalid argument -%c\n", + program, isc_commandline_option); + case 'h': + usage(); + + default: + fprintf(stderr, "%s: unhandled option -%c\n", + program, isc_commandline_option); + exit(1); + } + } + + if (isc_commandline_index + 2 != argc) + usage(); + + k = strtoul(argv[isc_commandline_index++], &endp, 10); + if (*endp != 0) + usage(); + bytes = k << 10; + +#ifndef HAVE_ARC4RANDOM + srand(0x12345678); +#endif + if (n == 1) { + generate(argv[isc_commandline_index], bytes); + return (0); + } + + len = strlen(argv[isc_commandline_index]) + 2; + name = (char *) malloc(len); + if (name == NULL) { + perror("malloc"); + exit(1); + } + + for (i = 1; i <= n; i++) { + snprintf(name, len, "%s%d", argv[isc_commandline_index], i); + generate(name, bytes); + } + free(name); + + return (0); +} diff --git a/bin/tools/genrandom.docbook b/bin/tools/genrandom.docbook new file mode 100644 index 0000000..84e4553 --- /dev/null +++ b/bin/tools/genrandom.docbook @@ -0,0 +1,119 @@ +]> + + + + + + Feb 19, 2009 + + + + genrandom + 8 + BIND9 + + + + genrandom + generate a file containing random data + + + + + 2009 + 2010 + Internet Systems Consortium, Inc. ("ISC") + + + + + + genrandom + + size + filename + + + + + DESCRIPTION + + genrandom + generates a file or a set of files containing a specified quantity + of pseudo-random data, which can be used as a source of entropy for + other commands on systems with no random device. + + + + + ARGUMENTS + + + -n number + + + In place of generating one file, generates + (from 2 to 9) files, appending to the name. + + + + + + size + + + The size of the file, in kilobytes, to generate. + + + + + + domain + + + The file name into which random data should be written. + + + + + + + + SEE ALSO + + + rand3 + , + + arc4random3 + + + + + + AUTHOR + Internet Systems Consortium + + + + diff --git a/bin/tools/genrandom.html b/bin/tools/genrandom.html new file mode 100644 index 0000000..c14af9b --- /dev/null +++ b/bin/tools/genrandom.html @@ -0,0 +1,73 @@ + + + + + +genrandom + + +
    +
    +
    +

    Name

    +

    genrandom — generate a file containing random data

    +
    +
    +

    Synopsis

    +

    genrandom [-n number] {size} {filename}

    +
    +
    +

    DESCRIPTION

    +

    + genrandom + generates a file or a set of files containing a specified quantity + of pseudo-random data, which can be used as a source of entropy for + other commands on systems with no random device. +

    +
    +
    +

    ARGUMENTS

    +
    +
    -n number
    +

    + In place of generating one file, generates number + (from 2 to 9) files, appending number to the name. +

    +
    size
    +

    + The size of the file, in kilobytes, to generate. +

    +
    domain
    +

    + The file name into which random data should be written. +

    +
    +
    +
    +

    SEE ALSO

    +

    + rand(3), + arc4random(3) +

    +
    +
    +

    AUTHOR

    +

    Internet Systems Consortium +

    +
    +
    + diff --git a/bin/tools/isc-hmac-fixup.8 b/bin/tools/isc-hmac-fixup.8 new file mode 100644 index 0000000..99c58c8 --- /dev/null +++ b/bin/tools/isc-hmac-fixup.8 @@ -0,0 +1,61 @@ +.\" Copyright (C) 2010 Internet Systems Consortium, Inc. ("ISC") +.\" +.\" Permission to use, copy, modify, and/or distribute this software for any +.\" purpose with or without fee is hereby granted, provided that the above +.\" copyright notice and this permission notice appear in all copies. +.\" +.\" THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH +.\" REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY +.\" AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, +.\" INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +.\" LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE +.\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +.\" PERFORMANCE OF THIS SOFTWARE. +.\" +.\" $Id: isc-hmac-fixup.8,v 1.4 2010-05-19 01:14:14 tbox Exp $ +.\" +.hy 0 +.ad l +.\" Title: isc\-hmac\-fixup +.\" Author: +.\" Generator: DocBook XSL Stylesheets v1.71.1 +.\" Date: January 5, 2010 +.\" Manual: BIND9 +.\" Source: BIND9 +.\" +.TH "ISC\-HMAC\-FIXUP" "1" "January 5, 2010" "BIND9" "BIND9" +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.SH "NAME" +isc\-hmac\-fixup \- fixes HMAC keys generated by older versions of BIND +.SH "SYNOPSIS" +.HP 15 +\fBisc\-hmac\-fixup\fR {\fIalgorithm\fR} {\fIsecret\fR} +.SH "DESCRIPTION" +.PP +Versions of BIND 9 up to and including BIND 9.6 had a bug causing HMAC\-SHA* TSIG keys which were longer than the digest length of the hash algorithm (i.e., SHA1 keys longer than 160 bits, SHA256 keys longer than 256 bits, etc) to be used incorrectly, generating a message authentication code that was incompatible with other DNS implementations. +.PP +This bug has been fixed in BIND 9.7. However, the fix may cause incompatibility between older and newer versions of BIND, when using long keys. +\fBisc\-hmac\-fixup\fR +modifies those keys to restore compatibility. +.PP +To modify a key, run +\fBisc\-hmac\-fixup\fR +and specify the key's algorithm and secret on the command line. If the secret is longer than the digest length of the algorithm (64 bytes for SHA1 through SHA256, or 128 bytes for SHA384 and SHA512), then a new secret will be generated consisting of a hash digest of the old secret. (If the secret did not require conversion, then it will be printed without modification.) +.SH "SECURITY CONSIDERATIONS" +.PP +Secrets that have been converted by +\fBisc\-hmac\-fixup\fR +are shortened, but as this is how the HMAC protocol works in operation anyway, it does not affect security. RFC 2104 notes, "Keys longer than [the digest length] are acceptable but the extra length would not significantly increase the function strength." +.SH "SEE ALSO" +.PP +BIND 9 Administrator Reference Manual, +RFC 2104. +.SH "AUTHOR" +.PP +Internet Systems Consortium +.SH "COPYRIGHT" +Copyright \(co 2010 Internet Systems Consortium, Inc. ("ISC") +.br diff --git a/bin/tools/isc-hmac-fixup.c b/bin/tools/isc-hmac-fixup.c new file mode 100644 index 0000000..09cb85d --- /dev/null +++ b/bin/tools/isc-hmac-fixup.c @@ -0,0 +1,136 @@ +/* + * Copyright (C) 2010 Internet Systems Consortium, Inc. ("ISC") + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE + * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* $Id: isc-hmac-fixup.c,v 1.4 2010-03-10 02:17:52 marka Exp $ */ + +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define HMAC_LEN 64 + +int +main(int argc, char **argv) { + isc_buffer_t buf; + unsigned char key[1024]; + char secret[1024]; + char base64[(1024*4)/3]; + isc_region_t r; + isc_result_t result; + + if (argc != 3) { + fprintf(stderr, "Usage:\t%s algorithm secret\n", argv[0]); + fprintf(stderr, "\talgorithm: (MD5 | SHA1 | SHA224 | " + "SHA256 | SHA384 | SHA512)\n"); + return (1); + } + + isc_buffer_init(&buf, secret, sizeof(secret)); + result = isc_base64_decodestring(argv[2], &buf); + if (result != ISC_R_SUCCESS) { + fprintf(stderr, "error: %s\n", isc_result_totext(result)); + return (1); + } + isc__buffer_usedregion(&buf, &r); + + if (!strcasecmp(argv[1], "md5") || + !strcasecmp(argv[1], "hmac-md5")) { + if (r.length > HMAC_LEN) { + isc_md5_t md5ctx; + isc_md5_init(&md5ctx); + isc_md5_update(&md5ctx, r.base, r.length); + isc_md5_final(&md5ctx, key); + + r.base = key; + r.length = ISC_MD5_DIGESTLENGTH; + } + } else if (!strcasecmp(argv[1], "sha1") || + !strcasecmp(argv[1], "hmac-sha1")) { + if (r.length > ISC_SHA1_DIGESTLENGTH) { + isc_sha1_t sha1ctx; + isc_sha1_init(&sha1ctx); + isc_sha1_update(&sha1ctx, r.base, r.length); + isc_sha1_final(&sha1ctx, key); + + r.base = key; + r.length = ISC_SHA1_DIGESTLENGTH; + } + } else if (!strcasecmp(argv[1], "sha224") || + !strcasecmp(argv[1], "hmac-sha224")) { + if (r.length > ISC_SHA224_DIGESTLENGTH) { + isc_sha224_t sha224ctx; + isc_sha224_init(&sha224ctx); + isc_sha224_update(&sha224ctx, r.base, r.length); + isc_sha224_final(key, &sha224ctx); + + r.base = key; + r.length = ISC_SHA224_DIGESTLENGTH; + } + } else if (!strcasecmp(argv[1], "sha256") || + !strcasecmp(argv[1], "hmac-sha256")) { + if (r.length > ISC_SHA256_DIGESTLENGTH) { + isc_sha256_t sha256ctx; + isc_sha256_init(&sha256ctx); + isc_sha256_update(&sha256ctx, r.base, r.length); + isc_sha256_final(key, &sha256ctx); + + r.base = key; + r.length = ISC_SHA256_DIGESTLENGTH; + } + } else if (!strcasecmp(argv[1], "sha384") || + !strcasecmp(argv[1], "hmac-sha384")) { + if (r.length > ISC_SHA384_DIGESTLENGTH) { + isc_sha384_t sha384ctx; + isc_sha384_init(&sha384ctx); + isc_sha384_update(&sha384ctx, r.base, r.length); + isc_sha384_final(key, &sha384ctx); + + r.base = key; + r.length = ISC_SHA384_DIGESTLENGTH; + } + } else if (!strcasecmp(argv[1], "sha512") || + !strcasecmp(argv[1], "hmac-sha512")) { + if (r.length > ISC_SHA512_DIGESTLENGTH) { + isc_sha512_t sha512ctx; + isc_sha512_init(&sha512ctx); + isc_sha512_update(&sha512ctx, r.base, r.length); + isc_sha512_final(key, &sha512ctx); + + r.base = key; + r.length = ISC_SHA512_DIGESTLENGTH; + } + } else { + fprintf(stderr, "unknown hmac/digest algorithm: %s\n", argv[1]); + return (1); + } + + isc_buffer_init(&buf, base64, sizeof(base64)); + result = isc_base64_totext(&r, 0, "", &buf); + if (result != ISC_R_SUCCESS) { + fprintf(stderr, "error: %s\n", isc_result_totext(result)); + return (1); + } + fprintf(stdout, "%.*s\n", (int)isc_buffer_usedlength(&buf), base64); + return (0); +} diff --git a/bin/tools/isc-hmac-fixup.docbook b/bin/tools/isc-hmac-fixup.docbook new file mode 100644 index 0000000..a3039ee --- /dev/null +++ b/bin/tools/isc-hmac-fixup.docbook @@ -0,0 +1,109 @@ +]> + + + + + + January 5, 2010 + + + + isc-hmac-fixup + 1 + BIND9 + + + + isc-hmac-fixup + fixes HMAC keys generated by older versions of BIND + + + + + 2010 + Internet Systems Consortium, Inc. ("ISC") + + + + + + isc-hmac-fixup + algorithm + secret + + + + + DESCRIPTION + + Versions of BIND 9 up to and including BIND 9.6 had a bug causing + HMAC-SHA* TSIG keys which were longer than the digest length of the + hash algorithm (i.e., SHA1 keys longer than 160 bits, SHA256 keys + longer than 256 bits, etc) to be used incorrectly, generating a + message authentication code that was incompatible with other DNS + implementations. + + + This bug has been fixed in BIND 9.7. However, the fix may + cause incompatibility between older and newer versions of + BIND, when using long keys. isc-hmac-fixup + modifies those keys to restore compatibility. + + + To modify a key, run isc-hmac-fixup and + specify the key's algorithm and secret on the command line. If the + secret is longer than the digest length of the algorithm (64 bytes + for SHA1 through SHA256, or 128 bytes for SHA384 and SHA512), then a + new secret will be generated consisting of a hash digest of the old + secret. (If the secret did not require conversion, then it will be + printed without modification.) + + + + + SECURITY CONSIDERATIONS + + Secrets that have been converted by isc-hmac-fixup + are shortened, but as this is how the HMAC protocol works in + operation anyway, it does not affect security. RFC 2104 notes, + "Keys longer than [the digest length] are acceptable but the + extra length would not significantly increase the function + strength." + + + + + SEE ALSO + + BIND 9 Administrator Reference Manual, + RFC 2104. + + + + + AUTHOR + Internet Systems Consortium + + + + diff --git a/bin/tools/isc-hmac-fixup.html b/bin/tools/isc-hmac-fixup.html new file mode 100644 index 0000000..8b70777 --- /dev/null +++ b/bin/tools/isc-hmac-fixup.html @@ -0,0 +1,83 @@ + + + + + +isc-hmac-fixup + + +
    +
    +
    +

    Name

    +

    isc-hmac-fixup — fixes HMAC keys generated by older versions of BIND

    +
    +
    +

    Synopsis

    +

    isc-hmac-fixup {algorithm} {secret}

    +
    +
    +

    DESCRIPTION

    +

    + Versions of BIND 9 up to and including BIND 9.6 had a bug causing + HMAC-SHA* TSIG keys which were longer than the digest length of the + hash algorithm (i.e., SHA1 keys longer than 160 bits, SHA256 keys + longer than 256 bits, etc) to be used incorrectly, generating a + message authentication code that was incompatible with other DNS + implementations. +

    +

    + This bug has been fixed in BIND 9.7. However, the fix may + cause incompatibility between older and newer versions of + BIND, when using long keys. isc-hmac-fixup + modifies those keys to restore compatibility. +

    +

    + To modify a key, run isc-hmac-fixup and + specify the key's algorithm and secret on the command line. If the + secret is longer than the digest length of the algorithm (64 bytes + for SHA1 through SHA256, or 128 bytes for SHA384 and SHA512), then a + new secret will be generated consisting of a hash digest of the old + secret. (If the secret did not require conversion, then it will be + printed without modification.) +

    +
    +
    +

    SECURITY CONSIDERATIONS

    +

    + Secrets that have been converted by isc-hmac-fixup + are shortened, but as this is how the HMAC protocol works in + operation anyway, it does not affect security. RFC 2104 notes, + "Keys longer than [the digest length] are acceptable but the + extra length would not significantly increase the function + strength." +

    +
    +
    +

    SEE ALSO

    +

    + BIND 9 Administrator Reference Manual, + RFC 2104. +

    +
    +
    +

    AUTHOR

    +

    Internet Systems Consortium +

    +
    +
    + diff --git a/bin/tools/named-journalprint.8 b/bin/tools/named-journalprint.8 new file mode 100644 index 0000000..347b67b --- /dev/null +++ b/bin/tools/named-journalprint.8 @@ -0,0 +1,60 @@ +.\" Copyright (C) 2009 Internet Systems Consortium, Inc. ("ISC") +.\" +.\" Permission to use, copy, modify, and/or distribute this software for any +.\" purpose with or without fee is hereby granted, provided that the above +.\" copyright notice and this permission notice appear in all copies. +.\" +.\" THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH +.\" REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY +.\" AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, +.\" INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +.\" LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE +.\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +.\" PERFORMANCE OF THIS SOFTWARE. +.\" +.\" $Id: named-journalprint.8,v 1.4 2010-05-19 01:14:14 tbox Exp $ +.\" +.hy 0 +.ad l +.\" Title: named\-journalprint +.\" Author: +.\" Generator: DocBook XSL Stylesheets v1.71.1 +.\" Date: Feb 18, 2009 +.\" Manual: BIND9 +.\" Source: BIND9 +.\" +.TH "NAMED\-JOURNALPRINT" "8" "Feb 18, 2009" "BIND9" "BIND9" +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.SH "NAME" +named\-journalprint \- print zone journal in human\-readable form +.SH "SYNOPSIS" +.HP 19 +\fBnamed\-journalprint\fR {\fIjournal\fR} +.SH "DESCRIPTION" +.PP +\fBnamed\-journalprint\fR +prints the contents of a zone journal file in a human\-readable form. +.PP +Journal files are automatically created by +\fBnamed\fR +when changes are made to dynamic zones (e.g., by +\fBnsupdate\fR). They record each addition or deletion of a resource record, in binary format, allowing the changes to be re\-applied to the zone when the server is restarted after a shutdown or crash. By default, the name of the journal file is formed by appending the extension +\fI.jnl\fR +to the name of the corresponding zone file. +.PP +\fBnamed\-journalprint\fR +converts the contents of a given journal file into a human\-readable text format. Each line begins with "add" or "del", to indicate whether the record was added or deleted, and continues with the resource record in master\-file format. +.SH "SEE ALSO" +.PP +\fBnamed\fR(8), +\fBnsupdate\fR(8), +BIND 9 Administrator Reference Manual. +.SH "AUTHOR" +.PP +Internet Systems Consortium +.SH "COPYRIGHT" +Copyright \(co 2009 Internet Systems Consortium, Inc. ("ISC") +.br diff --git a/bin/tools/named-journalprint.c b/bin/tools/named-journalprint.c new file mode 100644 index 0000000..8a00aa7 --- /dev/null +++ b/bin/tools/named-journalprint.c @@ -0,0 +1,86 @@ +/* + * Copyright (C) 2004-2009 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2000, 2001 Internet Software Consortium. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE + * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* $Id: named-journalprint.c,v 1.2 2009-12-04 21:59:23 marka Exp $ */ + +/*! \file */ +#include + +#include +#include +#include + +#include +#include +#include +#include + +#include + +/* + * Setup logging to use stderr. + */ +static isc_result_t +setup_logging(isc_mem_t *mctx, FILE *errout, isc_log_t **logp) { + isc_logdestination_t destination; + isc_logconfig_t *logconfig = NULL; + isc_log_t *log = NULL; + + RUNTIME_CHECK(isc_log_create(mctx, &log, &logconfig) == ISC_R_SUCCESS); + isc_log_setcontext(log); + dns_log_init(log); + dns_log_setcontext(log); + + destination.file.stream = errout; + destination.file.name = NULL; + destination.file.versions = ISC_LOG_ROLLNEVER; + destination.file.maximum_size = 0; + RUNTIME_CHECK(isc_log_createchannel(logconfig, "stderr", + ISC_LOG_TOFILEDESC, + ISC_LOG_DYNAMIC, + &destination, 0) == ISC_R_SUCCESS); + RUNTIME_CHECK(isc_log_usechannel(logconfig, "stderr", + NULL, NULL) == ISC_R_SUCCESS); + + *logp = log; + return (ISC_R_SUCCESS); +} + +int +main(int argc, char **argv) { + char *file; + isc_mem_t *mctx = NULL; + isc_result_t result; + isc_log_t *lctx = NULL; + + if (argc != 2) { + printf("usage: %s journal\n", argv[0]); + return(1); + } + + file = argv[1]; + + RUNTIME_CHECK(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS); + RUNTIME_CHECK(setup_logging(mctx, stderr, &lctx) == ISC_R_SUCCESS); + + result = dns_journal_print(mctx, file, stdout); + if (result == DNS_R_NOJOURNAL) + fprintf(stderr, "%s\n", dns_result_totext(result)); + isc_log_destroy(&lctx); + isc_mem_detach(&mctx); + return(result != ISC_R_SUCCESS ? 1 : 0); +} diff --git a/bin/tools/named-journalprint.docbook b/bin/tools/named-journalprint.docbook new file mode 100644 index 0000000..d523f8c --- /dev/null +++ b/bin/tools/named-journalprint.docbook @@ -0,0 +1,101 @@ +]> + + + + + + Feb 18, 2009 + + + + named-journalprint + 8 + BIND9 + + + + named-journalprint + print zone journal in human-readable form + + + + + 2009 + Internet Systems Consortium, Inc. ("ISC") + + + + + + named-journalprint + journal + + + + + DESCRIPTION + + named-journalprint + prints the contents of a zone journal file in a human-readable + form. + + + Journal files are automatically created by named + when changes are made to dynamic zones (e.g., by + nsupdate). They record each addition + or deletion of a resource record, in binary format, allowing the + changes to be re-applied to the zone when the server is + restarted after a shutdown or crash. By default, the name of + the journal file is formed by appending the extension + .jnl to the name of the corresponding + zone file. + + + named-journalprint converts the contents of a given + journal file into a human-readable text format. Each line begins + with "add" or "del", to indicate whether the record was added or + deleted, and continues with the resource record in master-file + format. + + + + + SEE ALSO + + + named8 + , + + nsupdate8 + , + BIND 9 Administrator Reference Manual. + + + + + AUTHOR + Internet Systems Consortium + + + + diff --git a/bin/tools/named-journalprint.html b/bin/tools/named-journalprint.html new file mode 100644 index 0000000..8878fc50 --- /dev/null +++ b/bin/tools/named-journalprint.html @@ -0,0 +1,73 @@ + + + + + +named-journalprint + + +
    +
    +
    +

    Name

    +

    named-journalprint — print zone journal in human-readable form

    +
    +
    +

    Synopsis

    +

    named-journalprint {journal}

    +
    +
    +

    DESCRIPTION

    +

    + named-journalprint + prints the contents of a zone journal file in a human-readable + form. +

    +

    + Journal files are automatically created by named + when changes are made to dynamic zones (e.g., by + nsupdate). They record each addition + or deletion of a resource record, in binary format, allowing the + changes to be re-applied to the zone when the server is + restarted after a shutdown or crash. By default, the name of + the journal file is formed by appending the extension + .jnl to the name of the corresponding + zone file. +

    +

    + named-journalprint converts the contents of a given + journal file into a human-readable text format. Each line begins + with "add" or "del", to indicate whether the record was added or + deleted, and continues with the resource record in master-file + format. +

    +
    +
    +

    SEE ALSO

    +

    + named(8), + nsupdate(8), + BIND 9 Administrator Reference Manual. +

    +
    +
    +

    AUTHOR

    +

    Internet Systems Consortium +

    +
    +
    + diff --git a/bin/tools/nsec3hash.8 b/bin/tools/nsec3hash.8 new file mode 100644 index 0000000..6fba8c8 --- /dev/null +++ b/bin/tools/nsec3hash.8 @@ -0,0 +1,70 @@ +.\" Copyright (C) 2009 Internet Systems Consortium, Inc. ("ISC") +.\" +.\" Permission to use, copy, modify, and/or distribute this software for any +.\" purpose with or without fee is hereby granted, provided that the above +.\" copyright notice and this permission notice appear in all copies. +.\" +.\" THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH +.\" REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY +.\" AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, +.\" INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +.\" LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE +.\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +.\" PERFORMANCE OF THIS SOFTWARE. +.\" +.\" $Id: nsec3hash.8,v 1.5 2010-05-19 01:14:14 tbox Exp $ +.\" +.hy 0 +.ad l +.\" Title: nsec3hash +.\" Author: +.\" Generator: DocBook XSL Stylesheets v1.71.1 +.\" Date: Feb 18, 2009 +.\" Manual: BIND9 +.\" Source: BIND9 +.\" +.TH "NSEC3HASH" "8" "Feb 18, 2009" "BIND9" "BIND9" +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.SH "NAME" +nsec3hash \- generate NSEC3 hash +.SH "SYNOPSIS" +.HP 10 +\fBnsec3hash\fR {\fIsalt\fR} {\fIalgorithm\fR} {\fIiterations\fR} {\fIdomain\fR} +.SH "DESCRIPTION" +.PP +\fBnsec3hash\fR +generates an NSEC3 hash based on a set of NSEC3 parameters. This can be used to check the validity of NSEC3 records in a signed zone. +.SH "ARGUMENTS" +.PP +salt +.RS 4 +The salt provided to the hash algorithm. +.RE +.PP +algorithm +.RS 4 +A number indicating the hash algorithm. Currently the only supported hash algorithm for NSEC3 is SHA\-1, which is indicated by the number 1; consequently "1" is the only useful value for this argument. +.RE +.PP +iterations +.RS 4 +The number of additional times the hash should be performed. +.RE +.PP +domain +.RS 4 +The domain name to be hashed. +.RE +.SH "SEE ALSO" +.PP +BIND 9 Administrator Reference Manual, +RFC 5155. +.SH "AUTHOR" +.PP +Internet Systems Consortium +.SH "COPYRIGHT" +Copyright \(co 2009 Internet Systems Consortium, Inc. ("ISC") +.br diff --git a/bin/tools/nsec3hash.c b/bin/tools/nsec3hash.c new file mode 100644 index 0000000..0e2a910 --- /dev/null +++ b/bin/tools/nsec3hash.c @@ -0,0 +1,121 @@ +/* + * Copyright (C) 2006, 2008, 2009 Internet Systems Consortium, Inc. ("ISC") + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE + * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* $Id: nsec3hash.c,v 1.6 2009-10-06 21:20:44 each Exp $ */ + +#include + +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +const char *program = "nsec3hash"; + +ISC_PLATFORM_NORETURN_PRE static void +fatal(const char *format, ...) ISC_PLATFORM_NORETURN_POST; + +static void +fatal(const char *format, ...) { + va_list args; + + fprintf(stderr, "%s: ", program); + va_start(args, format); + vfprintf(stderr, format, args); + va_end(args); + fprintf(stderr, "\n"); + exit(1); +} + +static void +check_result(isc_result_t result, const char *message) { + if (result != ISC_R_SUCCESS) + fatal("%s: %s", message, isc_result_totext(result)); +} + +static void +usage() { + fatal("salt hash iterations domain"); +} + +int +main(int argc, char **argv) { + dns_fixedname_t fixed; + dns_name_t *name; + isc_buffer_t buffer; + isc_region_t region; + isc_result_t result; + unsigned char hash[NSEC3_MAX_HASH_LENGTH]; + unsigned char salt[DNS_NSEC3_SALTSIZE]; + unsigned char text[1024]; + unsigned int hash_alg; + unsigned int length; + unsigned int iterations; + unsigned int salt_length; + + if (argc != 5) + usage(); + + if (strcmp(argv[1], "-") == 0) { + salt_length = 0; + salt[0] = 0; + } else { + isc_buffer_init(&buffer, salt, sizeof(salt)); + result = isc_hex_decodestring(argv[1], &buffer); + check_result(result, "isc_hex_decodestring(salt)"); + salt_length = isc_buffer_usedlength(&buffer); + if (salt_length > DNS_NSEC3_SALTSIZE) + fatal("salt too long"); + } + hash_alg = atoi(argv[2]); + if (hash_alg > 255U) + fatal("hash algorithm too large"); + iterations = atoi(argv[3]); + if (iterations > 0xffffU) + fatal("iterations to large"); + + dns_fixedname_init(&fixed); + name = dns_fixedname_name(&fixed); + isc_buffer_init(&buffer, argv[4], strlen(argv[4])); + isc_buffer_add(&buffer, strlen(argv[4])); + result = dns_name_fromtext(name, &buffer, dns_rootname, 0, NULL); + check_result(result, "dns_name_fromtext() failed"); + + dns_name_downcase(name, name, NULL); + length = isc_iterated_hash(hash, hash_alg, iterations, salt, + salt_length, name->ndata, name->length); + if (length == 0) + fatal("isc_iterated_hash failed"); + region.base = hash; + region.length = length; + isc_buffer_init(&buffer, text, sizeof(text)); + isc_base32hex_totext(®ion, 1, "", &buffer); + fprintf(stdout, "%.*s (salt=%s, hash=%u, iterations=%u)\n", + (int)isc_buffer_usedlength(&buffer), text, argv[1], hash_alg, iterations); + return(0); +} diff --git a/bin/tools/nsec3hash.docbook b/bin/tools/nsec3hash.docbook new file mode 100644 index 0000000..48eb4af --- /dev/null +++ b/bin/tools/nsec3hash.docbook @@ -0,0 +1,125 @@ +]> + + + + + + Feb 18, 2009 + + + + nsec3hash + 8 + BIND9 + + + + nsec3hash + generate NSEC3 hash + + + + + 2009 + Internet Systems Consortium, Inc. ("ISC") + + + + + + nsec3hash + salt + algorithm + iterations + domain + + + + + DESCRIPTION + + nsec3hash generates an NSEC3 hash based on + a set of NSEC3 parameters. This can be used to check the validity + of NSEC3 records in a signed zone. + + + + + ARGUMENTS + + + salt + + + The salt provided to the hash algorithm. + + + + + + algorithm + + + A number indicating the hash algorithm. Currently the + only supported hash algorithm for NSEC3 is SHA-1, which is + indicated by the number 1; consequently "1" is the only + useful value for this argument. + + + + + + iterations + + + The number of additional times the hash should be performed. + + + + + + domain + + + The domain name to be hashed. + + + + + + + + SEE ALSO + + BIND 9 Administrator Reference Manual, + RFC 5155. + + + + + AUTHOR + Internet Systems Consortium + + + + diff --git a/bin/tools/nsec3hash.html b/bin/tools/nsec3hash.html new file mode 100644 index 0000000..e6c0995 --- /dev/null +++ b/bin/tools/nsec3hash.html @@ -0,0 +1,78 @@ + + + + + +nsec3hash + + +
    +
    +
    +

    Name

    +

    nsec3hash — generate NSEC3 hash

    +
    +
    +

    Synopsis

    +

    nsec3hash {salt} {algorithm} {iterations} {domain}

    +
    +
    +

    DESCRIPTION

    +

    + nsec3hash generates an NSEC3 hash based on + a set of NSEC3 parameters. This can be used to check the validity + of NSEC3 records in a signed zone. +

    +
    +
    +

    ARGUMENTS

    +
    +
    salt
    +

    + The salt provided to the hash algorithm. +

    +
    algorithm
    +

    + A number indicating the hash algorithm. Currently the + only supported hash algorithm for NSEC3 is SHA-1, which is + indicated by the number 1; consequently "1" is the only + useful value for this argument. +

    +
    iterations
    +

    + The number of additional times the hash should be performed. +

    +
    domain
    +

    + The domain name to be hashed. +

    +
    +
    +
    +

    SEE ALSO

    +

    + BIND 9 Administrator Reference Manual, + RFC 5155. +

    +
    +
    +

    AUTHOR

    +

    Internet Systems Consortium +

    +
    +
    + diff --git a/config.guess b/config.guess index c79aebc..f8d6eac 100644 --- a/config.guess +++ b/config.guess @@ -3,7 +3,7 @@ # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, # 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. -timestamp='2004-09-07' +timestamp='2009-01-17' # This file is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by diff --git a/config.h.in b/config.h.in index aa1ba81..01f8b16 100644 --- a/config.h.in +++ b/config.h.in @@ -1,6 +1,6 @@ /* config.h.in. Generated from configure.in by autoheader. */ /* - * Copyright (C) 2004, 2005, 2007, 2009 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2004, 2005, 2007, 2008 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 1999-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any @@ -16,7 +16,7 @@ * PERFORMANCE OF THIS SOFTWARE. */ -/* $Id: config.h.in,v 1.106.40.24 2010-12-21 04:33:58 marka Exp $ */ +/* $Id: config.h.in,v 1.143.8.1 2011-02-03 05:52:35 marka Exp $ */ /*! \file */ @@ -147,6 +147,9 @@ int sigwait(const unsigned int *set, int *sig); /* Define if building universal (internal helper macro) */ #undef AC_APPLE_UNIVERSAL_BUILD +/* Define to enable the "filter-aaaa-on-v4" option. */ +#undef ALLOW_FILTER_AAAA_ON_V4 + /* Define if recvmsg() does not meet all of the BSD socket API specifications. */ #undef BROKEN_RECVMSG @@ -157,6 +160,12 @@ int sigwait(const unsigned int *set, int *sig); /* Define to enable "rrset-order fixed" syntax. */ #undef DNS_RDATASET_FIXED +/* Define to enable rpz-nsdname rules. */ +#undef ENABLE_RPZ_NSDNAME + +/* Define to enable rpz-nsip rules. */ +#undef ENABLE_RPZ_NSIP + /* Solaris hack to get select_large_fdset. */ #undef FD_SETSIZE @@ -175,9 +184,18 @@ int sigwait(const unsigned int *set, int *sig); /* Define to 1 if you have the header file. */ #undef HAVE_DEVPOLL_H +/* Define to 1 if you have the `dlclose' function. */ +#undef HAVE_DLCLOSE + /* Define to 1 if you have the header file. */ #undef HAVE_DLFCN_H +/* Define to 1 if you have the `dlopen' function. */ +#undef HAVE_DLOPEN + +/* Define to 1 if you have the `dlsym' function. */ +#undef HAVE_DLSYM + /* Define to 1 if you have the `EVP_sha256' function. */ #undef HAVE_EVP_SHA256 @@ -190,9 +208,15 @@ int sigwait(const unsigned int *set, int *sig); /* Define to 1 if you have the header file. */ #undef HAVE_GSSAPI_GSSAPI_H +/* Define to 1 if you have the header file. */ +#undef HAVE_GSSAPI_GSSAPI_KRB5_H + /* Define to 1 if you have the header file. */ #undef HAVE_GSSAPI_H +/* Define to 1 if you have the header file. */ +#undef HAVE_GSSAPI_KRB5_H + /* Define to 1 if you have the header file. */ #undef HAVE_INTTYPES_H @@ -211,9 +235,15 @@ int sigwait(const unsigned int *set, int *sig); /* Define to 1 if you have the `cap' library (-lcap). */ #undef HAVE_LIBCAP +/* if system have backtrace function */ +#undef HAVE_LIBCTRACE + /* Define to 1 if you have the `c_r' library (-lc_r). */ #undef HAVE_LIBC_R +/* Define to 1 if you have the `dl' library (-ldl). */ +#undef HAVE_LIBDL + /* Define to 1 if you have the `nsl' library (-lnsl). */ #undef HAVE_LIBNSL @@ -247,9 +277,27 @@ int sigwait(const unsigned int *set, int *sig); /* Define to 1 if you have the header file. */ #undef HAVE_NET_IF6_H +/* Define if your OpenSSL version supports GOST. */ +#undef HAVE_OPENSSL_GOST + +/* Define to 1 if you have the header file. */ +#undef HAVE_REGEX_H + +/* Define to 1 if you have the `setegid' function. */ +#undef HAVE_SETEGID + +/* Define to 1 if you have the `seteuid' function. */ +#undef HAVE_SETEUID + /* Define to 1 if you have the `setlocale' function. */ #undef HAVE_SETLOCALE +/* Define to 1 if you have the `setresgid' function. */ +#undef HAVE_SETRESGID + +/* Define to 1 if you have the `setresuid' function. */ +#undef HAVE_SETRESUID + /* Define to 1 if you have the header file. */ #undef HAVE_STDINT_H @@ -304,6 +352,15 @@ int sigwait(const unsigned int *set, int *sig); /* Define to 1 if you have the header file. */ #undef HAVE_UNISTD_H +/* return type of gai_strerror */ +#undef IRS_GAISTRERROR_RETURN_T + +/* Define to the buffer length type used by getnameinfo(3). */ +#undef IRS_GETNAMEINFO_BUFLEN_T + +/* Define to the flags type used by getnameinfo(3). */ +#undef IRS_GETNAMEINFO_FLAGS_T + /* Defined if extern char *optarg is not declared. */ #undef NEED_OPTARG @@ -361,11 +418,8 @@ int sigwait(const unsigned int *set, int *sig); /* Define to empty if `const' does not conform to ANSI C. */ #undef const -/* Define to `__inline__' or `__inline' if that's what the C compiler - calls it, or to nothing if 'inline' is not supported under any name. */ -#ifndef __cplusplus +/* Define to empty if your compiler does not support "static inline". */ #undef inline -#endif /* Define to `unsigned int' if does not define. */ #undef size_t diff --git a/configure.in b/configure.in index 08f0bf3..d5fb15c 100644 --- a/configure.in +++ b/configure.in @@ -1,4 +1,4 @@ -# Copyright (C) 2004-2010 Internet Systems Consortium, Inc. ("ISC") +# Copyright (C) 2004-2011 Internet Systems Consortium, Inc. ("ISC") # Copyright (C) 1998-2003 Internet Software Consortium. # # Permission to use, copy, modify, and/or distribute this software for any @@ -18,7 +18,7 @@ AC_DIVERT_PUSH(1)dnl esyscmd([sed "s/^/# /" COPYRIGHT])dnl AC_DIVERT_POP()dnl -AC_REVISION($Revision: 1.457.26.28 $) +AC_REVISION($Revision: 1.512.8.1 $) AC_INIT(lib/dns/name.c) AC_PREREQ(2.59) @@ -36,6 +36,7 @@ case $build_os in sunos*) # Just set the maximum command line length for sunos as it otherwise # takes a exceptionally long time to work it out. Required for libtool. + lt_cv_sys_max_cmd_len=4096; ;; esac @@ -61,7 +62,6 @@ It is available from http://www.isc.org as a separate download.]) ;; esac - # # Make very sure that these are the first files processed by # config.status, since we use the processed output as the input for @@ -111,6 +111,8 @@ AC_SUBST(ETAGS) # # Perl is optional; it is used only by some of the system test scripts. +# Note: the backtrace feature (see below) uses perl to build the symbol table, +# but it still compiles without perl, in which case an empty table will be used. # AC_PATH_PROGS(PERL, perl5 perl) AC_SUBST(PERL) @@ -269,7 +271,7 @@ esac AC_HEADER_STDC -AC_CHECK_HEADERS(fcntl.h sys/time.h unistd.h sys/sockio.h sys/select.h sys/param.h sys/sysctl.h net/if6.h,,, +AC_CHECK_HEADERS(fcntl.h regex.h sys/time.h unistd.h sys/sockio.h sys/select.h sys/param.h sys/sysctl.h net/if6.h,,, [$ac_includes_default #ifdef HAVE_SYS_PARAM_H # include @@ -283,6 +285,12 @@ AC_CHECK_FUNC(sysctlbyname, AC_DEFINE(HAVE_SYSCTLBYNAME)) AC_C_FLEXIBLE_ARRAY_MEMBER # +# Older versions of HP/UX don't define seteuid() and setegid() +# +AC_CHECK_FUNCS(seteuid setresuid) +AC_CHECK_FUNCS(setegid setresgid) + +# # UnixWare 7.1.1 with the feature supplement to the UDK compiler # is reported to not support "static inline" (RT #1212). # @@ -300,7 +308,7 @@ AC_TRY_COMPILE(, [ ], [AC_MSG_RESULT(no)], [AC_MSG_RESULT(yes) - AC_DEFINE(inline, )]) + AC_DEFINE(inline, ,[Define to empty if your compiler does not support "static inline".])]) AC_TYPE_SIZE_T AC_CHECK_TYPE(ssize_t, int) @@ -332,6 +340,20 @@ AC_TRY_COMPILE([],[long long i = 0; return (0);], AC_SUBST(ISC_PLATFORM_HAVELONGLONG) # +# check for GCC noreturn attribute +# +AC_MSG_CHECKING(for GCC noreturn attribute) +AC_TRY_COMPILE([],[void foo() __attribute__((noreturn));], + [AC_MSG_RESULT(yes) + ISC_PLATFORM_NORETURN_PRE="#define ISC_PLATFORM_NORETURN_PRE" + ISC_PLATFORM_NORETURN_POST="#define ISC_PLATFORM_NORETURN_POST __attribute__((noreturn))"], + [AC_MSG_RESULT(no) + ISC_PLATFORM_NORETURN_PRE="#define ISC_PLATFORM_NORETURN_PRE" + ISC_PLATFORM_NORETURN_POST="#define ISC_PLATFORM_NORETURN_POST"]) +AC_SUBST(ISC_PLATFORM_NORETURN_PRE) +AC_SUBST(ISC_PLATFORM_NORETURN_POST) + +# # check if we have lifconf # AC_MSG_CHECKING(for struct lifconf) @@ -495,6 +517,7 @@ then fi done fi +OPENSSL_GOST="" case "$use_openssl" in no) AC_MSG_RESULT(no) @@ -650,6 +673,42 @@ esac AC_MSG_RESULT(no) fi AC_CHECK_FUNCS(EVP_sha256 EVP_sha512) + + AC_MSG_CHECKING(for OpenSSL GOST support) + have_gost="" + AC_TRY_RUN([ +#include +#include +int main() { +#if (OPENSSL_VERSION_NUMBER >= 0x10000000L) + ENGINE *e; + + OPENSSL_config(NULL); + + e = ENGINE_by_id("gost"); + if (e == NULL) + return (1); + if (ENGINE_init(e) <= 0) + return (1); + return (0); +#else + return (1); +#endif +} +], + [AC_MSG_RESULT(yes) + have_gost="yes"], + [AC_MSG_RESULT(no) + have_gost="no"]) + case $have_gost in + yes) + OPENSSL_GOST="yes" + AC_DEFINE(HAVE_OPENSSL_GOST, 1, + [Define if your OpenSSL version supports GOST.]) + ;; + *) + ;; + esac CFLAGS="$saved_cflags" LIBS="$saved_libs" OPENSSLLINKOBJS='${OPENSSLLINKOBJS}' @@ -667,9 +726,34 @@ AC_SUBST(USE_OPENSSL) AC_SUBST(DST_OPENSSL_INC) AC_SUBST(OPENSSLLINKOBJS) AC_SUBST(OPENSSLLINKSRCS) +AC_SUBST(OPENSSL_GOST) DNS_CRYPTO_LIBS="$DNS_CRYPTO_LIBS $DNS_OPENSSL_LIBS" # +# Use OpenSSL for hash functions +# + +AC_ARG_ENABLE(openssl-hash, + [ --enable-openssl-hash use OpenSSL for hash functions [[default=no]]], + want_openssl_hash="$enableval", want_openssl_hash="no") +case $want_openssl_hash in + yes) + if test "$USE_OPENSSL" = "" + then + AC_MSG_ERROR([No OpenSSL for hash functions]) + fi + ISC_PLATFORM_OPENSSLHASH="#define ISC_PLATFORM_OPENSSLHASH 1" + ISC_OPENSSL_INC="$DST_OPENSSL_INC" + ;; + no) + ISC_PLATFORM_OPENSSLHASH="#undef ISC_PLATFORM_OPENSSLHASH" + ISC_OPENSSL_INC="" + ;; +esac +AC_SUBST(ISC_PLATFORM_OPENSSLHASH) +AC_SUBST(ISC_OPENSSL_INC) + +# # PKCS11 (aka crypto hardware) support # # This works only with the right OpenSSL with PKCS11 engine! @@ -677,21 +761,37 @@ DNS_CRYPTO_LIBS="$DNS_CRYPTO_LIBS $DNS_OPENSSL_LIBS" AC_MSG_CHECKING(for PKCS11 support) AC_ARG_WITH(pkcs11, -[ --with-pkcs11 Build with PKCS11 support], - use_pkcs11="yes", use_pkcs11="no") +[ --with-pkcs11[=PATH] Build with PKCS11 support [yes|no|path] + (PATH is for the PKCS11 provider)], + use_pkcs11="$withval", use_pkcs11="no") case "$use_pkcs11" in - no) + no|'') AC_MSG_RESULT(disabled) - USE_PKCS11="" + USE_PKCS11='' + PKCS11_TOOLS='' ;; - yes) + yes|*) AC_MSG_RESULT(using OpenSSL with PKCS11 support) USE_PKCS11='-DUSE_PKCS11' + PKCS11_TOOLS=pkcs11 ;; esac - AC_SUBST(USE_PKCS11) +AC_SUBST(PKCS11_TOOLS) + +AC_MSG_CHECKING(for PKCS11 tools) +case "$use_pkcs11" in + no|yes|'') + AC_MSG_RESULT(disabled) + PKCS11_PROVIDER="undefined" + ;; + *) + AC_MSG_RESULT(PKCS11 provider is "$use_pkcs11") + PKCS11_PROVIDER="$use_pkcs11" + ;; +esac +AC_SUBST(PKCS11_PROVIDER) AC_MSG_CHECKING(for GSSAPI library) AC_ARG_WITH(gssapi, @@ -731,6 +831,9 @@ case "$use_gssapi" in AC_MSG_ERROR([gssapi.h not found]) fi + AC_CHECK_HEADERS(gssapi_krb5.h gssapi/gssapi_krb5.h, + [ISC_PLATFORM_GSSAPI_KRB5_HEADER="#define ISC_PLATFORM_GSSAPI_KRB5_HEADER <$ac_header>"]) + AC_CHECK_HEADERS(krb5.h krb5/krb5.h kerberosv5/krb5.h, [ISC_PLATFORM_KRB5HEADER="#define ISC_PLATFORM_KRB5HEADER <$ac_header>"]) @@ -775,7 +878,12 @@ case "$use_gssapi" in # -L/usr/local/lib to LIBS, which can make the # -lgssapi_krb5 test succeed with shared libraries even # when you are trying to build with KTH in /usr/lib. - LIBS="-L$use_gssapi/lib $TRY_LIBS" + if test "$use_gssapi" = "/usr" + then + LIBS="$TRY_LIBS" + else + LIBS="-L$use_gssapi/lib $TRY_LIBS" + fi AC_MSG_CHECKING(linking as $TRY_LIBS) AC_TRY_LINK( , [gss_acquire_cred();krb5_init_context()], gssapi_linked=yes, gssapi_linked=no) @@ -839,6 +947,7 @@ esac AC_SUBST(ISC_PLATFORM_HAVEGSSAPI) AC_SUBST(ISC_PLATFORM_GSSAPIHEADER) +AC_SUBST(ISC_PLATFORM_GSSAPI_KRB5_HEADER) AC_SUBST(ISC_PLATFORM_KRB5HEADER) AC_SUBST(USE_GSSAPI) @@ -1304,6 +1413,65 @@ case $use_libtool in esac # +# enable/disable dumping stack backtrace. Also check if the system supports +# glibc-compatible backtrace() function. +# +AC_ARG_ENABLE(backtrace, +[ --enable-backtrace log stack backtrace on abort [[default=yes]]], + want_backtrace="$enableval", want_backtrace="yes") +case $want_backtrace in +yes) + ISC_PLATFORM_USEBACKTRACE="#define ISC_PLATFORM_USEBACKTRACE 1" + AC_TRY_LINK([#include ], + [return (backtrace((void **)0, 0));], + [AC_DEFINE([HAVE_LIBCTRACE], [], [if system have backtrace function])],) + ;; +*) + ISC_PLATFORM_USEBACKTRACE="#undef ISC_PLATFORM_USEBACKTRACE" + ;; +esac +AC_SUBST(ISC_PLATFORM_USEBACKTRACE) + +AC_ARG_ENABLE(symtable, +[ --enable-symtable use internal symbol table for backtrace + [[all|minimal(default)|none]]], + want_symtable="$enableval", want_symtable="minimal") +case $want_symtable in +yes|all|minimal) # "yes" is a hidden value equivalent to "minimal" + if test "$PERL" = "" + then + AC_MSG_ERROR([Internal symbol table requires perl but no perl is found. +Install perl or explicitly disable the feature by --disable-symtable.]) + fi + if test "$use_libtool" = "yes"; then + AC_MSG_WARN([Internal symbol table does not work with libtool. Disabling symbol table.]) + else + # we generate the internal symbol table only for those systems + # known to work to avoid unexpected build failure. Also, warn + # about unsupported systems when the feature is enabled + # manually. + case $host_os in + freebsd*|netbsd*|openbsd*|linux*|solaris*|darwin*) + MKSYMTBL_PROGRAM="$PERL" + if test $want_symtable = all; then + ALWAYS_MAKE_SYMTABLE="yes" + fi + ;; + *) + if test $want_symtable = yes -o $want_symtable = all + then + AC_MSG_WARN([this system is not known to generate internal symbol table safely; disabling it]) + fi + esac + fi + ;; +*) + ;; +esac +AC_SUBST(MKSYMTBL_PROGRAM) +AC_SUBST(ALWAYS_MAKE_SYMTABLE) + +# # File name extension for static archive files, for those few places # where they are treated differently from dynamic ones. # @@ -1320,6 +1488,54 @@ AC_SUBST(LIBTOOL_ALLOW_UNDEFINED) AC_SUBST(LIBTOOL_IN_MAIN) # +# build exportable DNS library? +# +AC_ARG_ENABLE(exportlib, + [ --enable-exportlib build exportable library (GNU make required) + [[default=no]]]) +case "$enable_exportlib" in + yes) + gmake= + for x in gmake gnumake make; do + if $x --version 2>/dev/null | grep GNU > /dev/null; then + gmake=$x + break; + fi + done + if test -z "$gmake"; then + AC_MSG_ERROR([exportlib requires GNU make. Install it or disable the feature.]) + fi + LIBEXPORT=lib/export + AC_SUBST(LIBEXPORT) + BIND9_CO_RULE="%.$O: \${srcdir}/%.c" + ;; + no|*) + BIND9_CO_RULE=".c.$O:" + ;; +esac +AC_SUBST(BIND9_CO_RULE) + +AC_ARG_WITH(export-libdir, + [ --with-export-libdir[=PATH] + installation directory for the export library + [[EPREFIX/lib/bind9]]], + export_libdir="$withval",) +if test -z "$export_libdir"; then + export_libdir="\${exec_prefix}/lib/bind9/" +fi +AC_SUBST(export_libdir) + +AC_ARG_WITH(export-includedir, + [ --with-export-includedir[=PATH] + installation directory for the header files of the + export library [[PREFIX/include/bind9]]], + export_includedir="$withval",) +if test -z "$export_includedir"; then + export_includedir="\${prefix}/include/bind9/" +fi +AC_SUBST(export_includedir) + +# # Here begins a very long section to determine the system's networking # capabilities. The order of the tests is significant. # @@ -1703,10 +1919,13 @@ AC_TRY_COMPILE([ [struct addrinfo a; return (0);], [AC_MSG_RESULT(yes) ISC_LWRES_NEEDADDRINFO="#undef ISC_LWRES_NEEDADDRINFO" + ISC_IRS_NEEDADDRINFO="#undef ISC_IRS_NEEDADDRINFO" AC_DEFINE(HAVE_ADDRINFO)], [AC_MSG_RESULT(no) - ISC_LWRES_NEEDADDRINFO="#define ISC_LWRES_NEEDADDRINFO 1"]) + ISC_LWRES_NEEDADDRINFO="#define ISC_LWRES_NEEDADDRINFO 1" + ISC_IRS_NEEDADDRINFO="#define ISC_IRS_NEEDADDRINFO 1"]) AC_SUBST(ISC_LWRES_NEEDADDRINFO) +AC_SUBST(ISC_IRS_NEEDADDRINFO) # # Check for rrsetinfo @@ -1793,6 +2012,53 @@ AC_TRY_COMPILE([ ISC_LWRES_NEEDHERRNO="#define ISC_LWRES_NEEDHERRNO 1"]) AC_SUBST(ISC_LWRES_NEEDHERRNO) +# +# Sadly, the definitions of system-supplied getnameinfo(3) vary. Try to catch +# known variations here: +# +AC_MSG_CHECKING(for getnameinfo prototype definitions) +AC_TRY_COMPILE([ +#include +#include +#include +int getnameinfo(const struct sockaddr *, socklen_t, char *, + socklen_t, char *, socklen_t, unsigned int);], +[ return (0);], + [AC_MSG_RESULT(socklen_t for buflen; u_int for flags) + AC_DEFINE(IRS_GETNAMEINFO_BUFLEN_T, socklen_t, + [Define to the buffer length type used by getnameinfo(3).]) + AC_DEFINE(IRS_GETNAMEINFO_FLAGS_T, unsigned int, + [Define to the flags type used by getnameinfo(3).])], +[AC_TRY_COMPILE([ +#include +#include +#include +int getnameinfo(const struct sockaddr *, socklen_t, char *, + size_t, char *, size_t, int);], +[ return (0);], + [AC_MSG_RESULT(size_t for buflen; int for flags) + AC_DEFINE(IRS_GETNAMEINFO_BUFLEN_T, size_t) + AC_DEFINE(IRS_GETNAMEINFO_FLAGS_T, int)], +[AC_MSG_RESULT(not match any subspecies; assume standard definition) +AC_DEFINE(IRS_GETNAMEINFO_BUFLEN_T, socklen_t) +AC_DEFINE(IRS_GETNAMEINFO_FLAGS_T, int)])]) + +# +# ...and same for gai_strerror(). +# +AC_MSG_CHECKING(for gai_strerror prototype definitions) +AC_TRY_COMPILE([ +#include +#include +#include +char *gai_strerror(int ecode);], +[ return (0); ], + [AC_MSG_RESULT(returning char *) + AC_DEFINE([IRS_GAISTRERROR_RETURN_T], [char *], + [return type of gai_strerror])], +[AC_MSG_RESULT(not match any subspecies; assume standard definition) +AC_DEFINE([IRS_GAISTRERROR_RETURN_T], [const char *])]) + AC_CHECK_FUNC(getipnodebyname, [ISC_LWRES_GETIPNODEPROTO="#undef ISC_LWRES_GETIPNODEPROTO"], [ISC_LWRES_GETIPNODEPROTO="#define ISC_LWRES_GETIPNODEPROTO 1"]) @@ -1807,6 +2073,7 @@ AC_CHECK_FUNC(gai_strerror, AC_DEFINE(HAVE_GAISTRERROR)) AC_SUBST(ISC_LWRES_GETIPNODEPROTO) AC_SUBST(ISC_LWRES_GETADDRINFOPROTO) AC_SUBST(ISC_LWRES_GETNAMEINFOPROTO) +AC_SUBST(ISC_IRS_GETNAMEINFOSOCKLEN) AC_ARG_ENABLE(getifaddrs, [ --enable-getifaddrs Enable the use of getifaddrs() [[yes|no]].], @@ -2140,6 +2407,8 @@ AC_SUBST(ISC_PLATFORM_USEDECLSPEC) ISC_PLATFORM_USEDECLSPEC="#undef ISC_PLATFORM_USEDECLSPEC" AC_SUBST(LWRES_PLATFORM_USEDECLSPEC) LWRES_PLATFORM_USEDECLSPEC="#undef LWRES_PLATFORM_USEDECLSPEC" +AC_SUBST(IRS_PLATFORM_USEDECLSPEC) +IRS_PLATFORM_USEDECLSPEC="#undef IRS_PLATFORM_USEDECLSPEC" # # Random remaining OS-specific issues involving compiler warnings. @@ -2461,6 +2730,61 @@ case "$enable_fixed" in esac # +# Enable response policy rewriting using NS IP addresses +# +AC_ARG_ENABLE(rpz-nsip, + [ --enable-rpz-nsip enable rpz-nsip rules [[default=no]]], + enable_nsip="$enableval", + enable_nsip="no") +case "$enable_nsip" in + yes) + AC_DEFINE(ENABLE_RPZ_NSIP, 1, + [Define to enable rpz-nsip rules.]) + ;; + no) + ;; + *) + ;; +esac + +# +# Enable response policy rewriting using NS name +# +AC_ARG_ENABLE(rpz-nsdname, + [ --enable-rpz-nsdname enable rpz-nsdname rules [[default=no]]], + enable_nsdname="$enableval", + enable_nsdname="no") +case "$enable_nsdname" in + yes) + AC_DEFINE(ENABLE_RPZ_NSDNAME, 1, + [Define to enable rpz-nsdname rules.]) + ;; + no) + ;; + *) + ;; +esac + +# +# Activate "filter-aaaa-on-v4" or not? +# +AC_ARG_ENABLE(filter-aaaa, + [ --enable-filter-aaaa enable filtering of AAAA records over IPv4 + [[default=no]]], + enable_filter="$enableval", + enable_filter="no") +case "$enable_filter" in + yes) + AC_DEFINE(ALLOW_FILTER_AAAA_ON_V4, 1, + [Define to enable the "filter-aaaa-on-v4" option.]) + ;; + no) + ;; + *) + ;; +esac + +# # The following sets up how non-blocking i/o is established. # Sunos, cygwin and solaris 2.x (x<5) require special handling. # @@ -2780,6 +3104,9 @@ LIBBIND9_API=$srcdir/lib/bind9/api AC_SUBST_FILE(LIBLWRES_API) LIBLWRES_API=$srcdir/lib/lwres/api +AC_SUBST_FILE(LIBIRS_API) +LIBIRS_API=$srcdir/lib/irs/api + # # Configure any DLZ drivers. # @@ -2947,37 +3274,115 @@ AC_CONFIG_COMMANDS( # AC_CONFIG_FILES([ + make/Makefile + make/mkdep Makefile - make/Makefile - make/mkdep + bin/Makefile + bin/check/Makefile + bin/confgen/Makefile + bin/confgen/unix/Makefile + bin/dig/Makefile + bin/dnssec/Makefile + bin/named/Makefile + bin/named/unix/Makefile + bin/nsupdate/Makefile + bin/pkcs11/Makefile + bin/rndc/Makefile + bin/tests/Makefile + bin/tests/atomic/Makefile + bin/tests/db/Makefile + bin/tests/dst/Makefile + bin/tests/hashes/Makefile + bin/tests/headerdep_test.sh + bin/tests/master/Makefile + bin/tests/mem/Makefile + bin/tests/names/Makefile + bin/tests/net/Makefile + bin/tests/rbt/Makefile + bin/tests/resolver/Makefile + bin/tests/sockaddr/Makefile + bin/tests/system/Makefile + bin/tests/system/conf.sh + bin/tests/system/filter-aaaa/Makefile + bin/tests/system/gost/prereq.sh + bin/tests/system/lwresd/Makefile + bin/tests/system/rpz/Makefile + bin/tests/system/tkey/Makefile + bin/tests/tasks/Makefile + bin/tests/timers/Makefile + bin/tests/virtual-time/Makefile + bin/tests/virtual-time/conf.sh + bin/tools/Makefile + contrib/check-secure-delegation.pl + contrib/zone-edit.sh + doc/Makefile + doc/arm/Makefile + doc/doxygen/Doxyfile + doc/doxygen/Makefile + doc/doxygen/doxygen-input-filter + doc/misc/Makefile + doc/xsl/Makefile + doc/xsl/isc-docbook-chunk.xsl + doc/xsl/isc-docbook-html.xsl + doc/xsl/isc-docbook-latex.xsl + doc/xsl/isc-manpage.xsl + isc-config.sh lib/Makefile + lib/bind9/Makefile + lib/bind9/include/Makefile + lib/bind9/include/bind9/Makefile + lib/dns/Makefile + lib/dns/include/Makefile + lib/dns/include/dns/Makefile + lib/dns/include/dst/Makefile + lib/export/Makefile + lib/export/dns/Makefile + lib/export/dns/include/Makefile + lib/export/dns/include/dns/Makefile + lib/export/dns/include/dst/Makefile + lib/export/irs/Makefile + lib/export/irs/include/Makefile + lib/export/irs/include/irs/Makefile + lib/export/isc/$thread_dir/Makefile + lib/export/isc/$thread_dir/include/Makefile + lib/export/isc/$thread_dir/include/isc/Makefile + lib/export/isc/Makefile + lib/export/isc/include/Makefile + lib/export/isc/include/isc/Makefile + lib/export/isc/nls/Makefile + lib/export/isc/unix/Makefile + lib/export/isc/unix/include/Makefile + lib/export/isc/unix/include/isc/Makefile + lib/export/isccfg/Makefile + lib/export/isccfg/include/Makefile + lib/export/isccfg/include/isccfg/Makefile + lib/export/samples/Makefile + lib/export/samples/Makefile-postinstall + lib/irs/Makefile + lib/irs/include/Makefile + lib/irs/include/irs/Makefile + lib/irs/include/irs/netdb.h + lib/irs/include/irs/platform.h + lib/isc/$arch/Makefile + lib/isc/$arch/include/Makefile + lib/isc/$arch/include/isc/Makefile + lib/isc/$thread_dir/Makefile + lib/isc/$thread_dir/include/Makefile + lib/isc/$thread_dir/include/isc/Makefile lib/isc/Makefile lib/isc/include/Makefile lib/isc/include/isc/Makefile lib/isc/include/isc/platform.h + lib/isc/nls/Makefile lib/isc/unix/Makefile lib/isc/unix/include/Makefile lib/isc/unix/include/isc/Makefile - lib/isc/nls/Makefile - lib/isc/$thread_dir/Makefile - lib/isc/$thread_dir/include/Makefile - lib/isc/$thread_dir/include/isc/Makefile - lib/isc/$arch/Makefile - lib/isc/$arch/include/Makefile - lib/isc/$arch/include/isc/Makefile lib/isccc/Makefile lib/isccc/include/Makefile lib/isccc/include/isccc/Makefile lib/isccfg/Makefile lib/isccfg/include/Makefile lib/isccfg/include/isccfg/Makefile - lib/dns/Makefile - lib/dns/include/Makefile - lib/dns/include/dns/Makefile - lib/dns/include/dst/Makefile - lib/bind9/Makefile - lib/bind9/include/Makefile - lib/bind9/include/bind9/Makefile lib/lwres/Makefile lib/lwres/include/Makefile lib/lwres/include/lwres/Makefile @@ -2990,44 +3395,6 @@ AC_CONFIG_FILES([ lib/tests/Makefile lib/tests/include/Makefile lib/tests/include/tests/Makefile - bin/Makefile - bin/check/Makefile - bin/named/Makefile - bin/named/unix/Makefile - bin/rndc/Makefile - bin/rndc/unix/Makefile - bin/dig/Makefile - bin/nsupdate/Makefile - bin/tests/Makefile - bin/tests/names/Makefile - bin/tests/master/Makefile - bin/tests/rbt/Makefile - bin/tests/db/Makefile - bin/tests/tasks/Makefile - bin/tests/timers/Makefile - bin/tests/dst/Makefile - bin/tests/mem/Makefile - bin/tests/hashes/Makefile - bin/tests/net/Makefile - bin/tests/sockaddr/Makefile - bin/tests/system/Makefile - bin/tests/system/conf.sh - bin/tests/system/lwresd/Makefile - bin/tests/system/tkey/Makefile - bin/tests/headerdep_test.sh - bin/dnssec/Makefile - doc/Makefile - doc/arm/Makefile - doc/misc/Makefile - isc-config.sh - doc/xsl/Makefile - doc/xsl/isc-docbook-chunk.xsl - doc/xsl/isc-docbook-html.xsl - doc/xsl/isc-docbook-latex.xsl - doc/xsl/isc-manpage.xsl - doc/doxygen/Doxyfile - doc/doxygen/Makefile - doc/doxygen/doxygen-input-filter ]) # diff --git a/doc/arm/Bv9ARM-book.xml b/doc/arm/Bv9ARM-book.xml index 0013c2e..c351784 100644 --- a/doc/arm/Bv9ARM-book.xml +++ b/doc/arm/Bv9ARM-book.xml @@ -2,7 +2,7 @@ "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" []> - + BIND 9 Administrator Reference Manual @@ -31,6 +31,7 @@ 2008 2009 2010 + 2011 Internet Systems Consortium, Inc. ("ISC") @@ -69,7 +70,7 @@ - This version of the manual corresponds to BIND version 9.6. + This version of the manual corresponds to BIND version 9.7. @@ -644,9 +645,9 @@ ISC BIND 9 compiles and runs on a large number - of Unix-like operating systems and on NT-derived versions of - Microsoft Windows such as Windows 2000 and Windows XP. For an - up-to-date + of Unix-like operating systems and on + Microsoft Windows Server 2003 and 2008, and Windows XP and Vista. + For an up-to-date list of supported systems, see the README file in the top level directory of the BIND 9 source distribution. @@ -680,10 +681,13 @@ // Two corporate subnets we wish to allow queries from. acl corpnets { 192.168.4.0/24; 192.168.7.0/24; }; options { - directory "/etc/namedb"; // Working directory + // Working directory + directory "/etc/namedb"; + allow-query { corpnets; }; }; -// Provide a reverse mapping for the loopback address 127.0.0.1 +// Provide a reverse mapping for the loopback +// address 127.0.0.1 zone "0.0.127.in-addr.arpa" { type master; file "localhost.rev"; @@ -703,13 +707,18 @@ zone "0.0.127.in-addr.arpa" { options { - directory "/etc/namedb"; // Working directory - allow-query-cache { none; }; // Do not allow access to cache - allow-query { any; }; // This is the default - recursion no; // Do not provide recursive service + // Working directory + directory "/etc/namedb"; + // Do not allow access to cache + allow-query-cache { none; }; + // This is the default + allow-query { any; }; + // Do not provide recursive service + recursion no; }; -// Provide a reverse mapping for the loopback address 127.0.0.1 +// Provide a reverse mapping for the loopback +// address 127.0.0.1 zone "0.0.127.in-addr.arpa" { type master; file "localhost.rev"; @@ -719,7 +728,8 @@ zone "0.0.127.in-addr.arpa" { zone "example.com" { type master; file "example.com.db"; - // IP addresses of slave servers allowed to transfer example.com + // IP addresses of slave servers allowed to + // transfer example.com allow-transfer { 192.168.4.14; 192.168.5.53; @@ -881,7 +891,7 @@ zone "eng.example.com" { For more detail on ordering responses, check the - rrset-order substatement in the + rrset-order sub-statement in the options statement, see . @@ -1162,7 +1172,62 @@ zone "eng.example.com" { + sign zone + class + view + + + Fetch all DNSSEC keys for the given zone + from the key directory (see + key-directory in + ). If they are within + their publication period, merge them into the + zone's DNSKEY RRset. If the DNSKEY RRset + is changed, then the zone is automatically + re-signed with the new key set. + + + This command requires that the + auto-dnssec zone option to be set + to allow, + maintain, or + create, and also requires + the zone to be configured to allow dynamic DNS. + See for + more details. + + + + + loadkeys zone + class + view + + + Fetch all DNSSEC keys for the given zone + from the key directory (see + key-directory in + ). If they are within + their publication period, merge them into the + zone's DNSKEY RRset. Unlike rndc + sign, however, the zone is not + immediately re-signed by the new keys, but is + allowed to incrementally re-sign over time. + + + This command requires that the + auto-dnssec zone option to + be set to maintain or + create, and also requires + the zone to be configured to allow dynamic DNS. + See for + more details. + + + + + freeze zone class @@ -1271,6 +1336,19 @@ zone "eng.example.com" { + secroots + view ... + + + Dump the server's security roots to the secroots + file for the specified views. If no view is + specified, security roots for all + views are dumped. + + + + + stop -p @@ -1383,6 +1461,65 @@ zone "eng.example.com" { + + addzone + zone + class + view + configuration + + + + Add a zone while the server is running. This + command requires the + allow-new-zones option to be set + to yes. The + configuration string + specified on the command line is the zone + configuration text that would ordinarily be + placed in named.conf. + + + The configuration is saved in a file called + hash.nzf, + where hash is a + cryptographic hash generated from the name of + the view. When named is + restarted, the file will be loaded into the view + configuration, so that zones that were added + can persist after a restart. + + + This sample addzone command + would add the zone example.com + to the default view: + + +$ rndc addzone example.com '{ type master; file "example.com.db"; };' + + + (Note the brackets and semi-colon around the zone + configuration text.) + + + + + + delzone + zone + class + view + + + + Delete a zone while the server is running. + Only zones that were originally added via + rndc addzone can be deleted + in this matter. + + + + @@ -1488,7 +1625,8 @@ zone "eng.example.com" { key rndc_key { algorithm "hmac-md5"; - secret "c3Ryb25nIGVub3VnaCBmb3IgYSBtYW4gYnV0IG1hZGUgZm9yIGEgd29tYW4K"; + secret + "c3Ryb25nIGVub3VnaCBmb3IgYSBtYW4gYnV0IG1hZGUgZm9yIGEgd29tYW4K"; }; options { default-server 127.0.0.1; @@ -1514,7 +1652,8 @@ options { controls { - inet 127.0.0.1 allow { localhost; } keys { rndc_key; }; + inet 127.0.0.1 + allow { localhost; } keys { rndc_key; }; }; @@ -1641,14 +1780,27 @@ controls { Dynamic update is enabled by including an - allow-update or update-policy - clause in the zone statement. The - tkey-gssapi-credential and - tkey-domain clauses in the - options statement enable the - server to negotiate keys that can be matched against those - in update-policy or - allow-update. + allow-update or an update-policy + clause in the zone statement. + + + + If the zone's update-policy is set to + local, updates to the zone + will be permitted for the key local-ddns, + which will be generated by named at startup. + See for more details. + + + + Dynamic updates using Kerberos signed requests can be made + using the TKEY/GSS protocol by setting either the + tkey-gssapi-keytab option, or alternatively + by setting both the tkey-gssapi-credential + and tkey-domain options. Once enabled, + Kerberos signed requests will be matched against the update + policies for the zone, using the Kerberos principal as the + signer for the request. @@ -1660,7 +1812,7 @@ controls { - The journal file + The journal file All changes made to a zone using dynamic update are stored @@ -1814,7 +1966,7 @@ controls { and site2.example.com, to the servers in the DMZ. These internal servers will have complete sets of information - for site1.example.com, site2.example.com, site1.internal, + for site1.example.com, site2.example.com, site1.internal, and site2.internal. @@ -1927,26 +2079,32 @@ options { ... ... forward only; - forwarders { // forward to external servers + // forward to external servers + forwarders { bastion-ips-go-here; }; - allow-transfer { none; }; // sample allow-transfer (no one) - allow-query { internals; externals; }; // restrict query access - allow-recursion { internals; }; // restrict recursion + // sample allow-transfer (no one) + allow-transfer { none; }; + // restrict query access + allow-query { internals; externals; }; + // restrict recursion + allow-recursion { internals; }; ... ... }; -zone "site1.example.com" { // sample master zone +// sample master zone +zone "site1.example.com" { type master; file "m/site1.example.com"; - forwarders { }; // do normal iterative - // resolution (do not forward) + // do normal iterative resolution (do not forward) + forwarders { }; allow-query { internals; externals; }; allow-transfer { internals; }; }; -zone "site2.example.com" { // sample slave zone +// sample slave zone +zone "site2.example.com" { type slave; file "s/site2.example.com"; masters { 172.16.72.3; }; @@ -1985,15 +2143,20 @@ acl externals { bastion-ips-go-here; }; options { ... ... - allow-transfer { none; }; // sample allow-transfer (no one) - allow-query { any; }; // default query access - allow-query-cache { internals; externals; }; // restrict cache access - allow-recursion { internals; externals; }; // restrict recursion + // sample allow-transfer (no one) + allow-transfer { none; }; + // default query access + allow-query { any; }; + // restrict cache access + allow-query-cache { internals; externals; }; + // restrict recursion + allow-recursion { internals; externals; }; ... ... }; -zone "site1.example.com" { // sample slave zone +// sample slave zone +zone "site1.example.com" { type master; file "m/site1.foo.com"; allow-transfer { internals; externals; }; @@ -2187,9 +2350,8 @@ allow-update { key host1-host2. ;}; - You may want to read about the more powerful - update-policy statement in - . + See for a discussion of + the more flexible update-policy statement. @@ -2453,12 +2615,23 @@ allow-update { key host1-host2. ;}; To enable named to validate answers from - other servers, the dnssec-enable and - dnssec-validation options must both be - set to yes (the default setting in BIND 9.5 - and later), and at least one trust anchor must be configured - with a trusted-keys statement in - named.conf. + other servers, the dnssec-enable option + must be set to yes, and the + dnssec-validation options must be set to + yes or auto. + + + + If dnssec-validation is set to + auto, then a default + trust anchor for the DNS root zone will be used. + If it is set to yes, however, + then at least one trust anchor must be configured + with a trusted-keys or + managed-keys statement in + named.conf, or DNSSEC validation + will not occur. The default setting is + yes. @@ -2471,7 +2644,14 @@ allow-update { key host1-host2. ;}; - trusted-keys are described in more detail + managed-keys are trusted keys which are + automatically kept up to date via RFC 5011 trust anchor + maintenance. + + + + trusted-keys and + managed-keys are described in more detail later in this document. @@ -2484,45 +2664,59 @@ allow-update { key host1-host2. ;}; After DNSSEC gets established, a typical DNSSEC configuration - will look something like the following. It has a one or + will look something like the following. It has one or more public keys for the root. This allows answers from outside the organization to be validated. It will also have several keys for parts of the namespace the organization - controls. These are here to ensure that named is immune - to compromises in the DNSSEC components of the security - of parent zones. + controls. These are here to ensure that named + is immune to compromises in the DNSSEC components of the security + of parent zones. -trusted-keys { - +managed-keys { /* Root Key */ -"." 257 3 3 "BNY4wrWM1nCfJ+CXd0rVXyYmobt7sEEfK3clRbGaTwSJxrGkxJWoZu6I7PzJu/ - E9gx4UC1zGAHlXKdE4zYIpRhaBKnvcC2U9mZhkdUpd1Vso/HAdjNe8LmMlnzY3 - zy2Xy4klWOADTPzSv9eamj8V18PHGjBLaVtYvk/ln5ZApjYghf+6fElrmLkdaz - MQ2OCnACR817DF4BBa7UR/beDHyp5iWTXWSi6XmoJLbG9Scqc7l70KDqlvXR3M - /lUUVRbkeg1IPJSidmK3ZyCllh4XSKbje/45SKucHgnwU5jefMtq66gKodQj+M - iA21AfUVe7u99WzTLzY3qlxDhxYQQ20FQ97S+LKUTpQcq27R7AT3/V5hRQxScI - Nqwcz4jYqZD2fQdgxbcDTClU0CRBdiieyLMNzXG3"; - -/* Key for our organization's forward zone */ -example.com. 257 3 5 "AwEAAaxPMcR2x0HbQV4WeZB6oEDX+r0QM65KbhTjrW1ZaARmPhEZZe - 3Y9ifgEuq7vZ/zGZUdEGNWy+JZzus0lUptwgjGwhUS1558Hb4JKUbb - OTcM8pwXlj0EiX3oDFVmjHO444gLkBO UKUf/mC7HvfwYH/Be22GnC - lrinKJp1Og4ywzO9WglMk7jbfW33gUKvirTHr25GL7STQUzBb5Usxt - 8lgnyTUHs1t3JwCY5hKZ6CqFxmAVZP20igTixin/1LcrgX/KMEGd/b - iuvF4qJCyduieHukuY3H4XMAcR+xia2 nIUPvm/oyWR8BW/hWdzOvn - SCThlHf3xiYleDbt/o1OTQ09A0="; - -/* Key for our reverse zone. */ -2.0.192.IN-ADDRPA.NET. 257 3 5 "AQOnS4xn/IgOUpBPJ3bogzwcxOdNax071L18QqZnQQQA - VVr+iLhGTnNGp3HoWQLUIzKrJVZ3zggy3WwNT6kZo6c0 - tszYqbtvchmgQC8CzKojM/W16i6MG/ea fGU3siaOdS0 - yOI6BgPsw+YZdzlYMaIJGf4M4dyoKIhzdZyQ2bYQrjyQ - 4LB0lC7aOnsMyYKHHYeRv PxjIQXmdqgOJGq+vsevG06 - zW+1xgYJh9rCIfnm1GX/KMgxLPG2vXTD/RnLX+D3T3UL - 7HJYHJhAZD5L59VvjSPsZJHeDCUyWYrvPZesZDIRvhDD - 52SKvbheeTJUm6EhkzytNN2SN96QRk8j/iI8ib"; + "." initial-key 257 3 3 "BNY4wrWM1nCfJ+CXd0rVXyYmobt7sEEfK3clRbGaTwS + JxrGkxJWoZu6I7PzJu/E9gx4UC1zGAHlXKdE4zYIpRh + aBKnvcC2U9mZhkdUpd1Vso/HAdjNe8LmMlnzY3zy2Xy + 4klWOADTPzSv9eamj8V18PHGjBLaVtYvk/ln5ZApjYg + hf+6fElrmLkdaz MQ2OCnACR817DF4BBa7UR/beDHyp + 5iWTXWSi6XmoJLbG9Scqc7l70KDqlvXR3M/lUUVRbke + g1IPJSidmK3ZyCllh4XSKbje/45SKucHgnwU5jefMtq + 66gKodQj+MiA21AfUVe7u99WzTLzY3qlxDhxYQQ20FQ + 97S+LKUTpQcq27R7AT3/V5hRQxScINqwcz4jYqZD2fQ + dgxbcDTClU0CRBdiieyLMNzXG3"; +}; + +trusted-keys { + /* Key for our organization's forward zone */ + example.com. 257 3 5 "AwEAAaxPMcR2x0HbQV4WeZB6oEDX+r0QM6 + 5KbhTjrW1ZaARmPhEZZe3Y9ifgEuq7vZ/z + GZUdEGNWy+JZzus0lUptwgjGwhUS1558Hb + 4JKUbbOTcM8pwXlj0EiX3oDFVmjHO444gL + kBOUKUf/mC7HvfwYH/Be22GnClrinKJp1O + g4ywzO9WglMk7jbfW33gUKvirTHr25GL7S + TQUzBb5Usxt8lgnyTUHs1t3JwCY5hKZ6Cq + FxmAVZP20igTixin/1LcrgX/KMEGd/biuv + F4qJCyduieHukuY3H4XMAcR+xia2nIUPvm + /oyWR8BW/hWdzOvnSCThlHf3xiYleDbt/o + 1OTQ09A0="; + + /* Key for our reverse zone. */ + 2.0.192.IN-ADDRPA.NET. 257 3 5 "AQOnS4xn/IgOUpBPJ3bogzwc + xOdNax071L18QqZnQQQAVVr+i + LhGTnNGp3HoWQLUIzKrJVZ3zg + gy3WwNT6kZo6c0tszYqbtvchm + gQC8CzKojM/W16i6MG/eafGU3 + siaOdS0yOI6BgPsw+YZdzlYMa + IJGf4M4dyoKIhzdZyQ2bYQrjy + Q4LB0lC7aOnsMyYKHHYeRvPxj + IQXmdqgOJGq+vsevG06zW+1xg + YJh9rCIfnm1GX/KMgxLPG2vXT + D/RnLX+D3T3UL7HJYHJhAZD5L + 59VvjSPsZJHeDCUyWYrvPZesZ + DIRvhDD52SKvbheeTJUm6Ehkz + ytNN2SN96QRk8j/iI8ib"; }; options { @@ -2575,6 +2769,13 @@ options { + + + + + + + IPv6 Support in <acronym>BIND</acronym> 9 @@ -2653,7 +2854,8 @@ host 3600 IN AAAA 2001:db8::1 $ORIGIN 0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa. -1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0 14400 IN PTR host.example.com. +1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0 14400 IN PTR ( + host.example.com. ) @@ -2831,6 +3033,19 @@ $ORIGIN 0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa. + namelist + + + + + A list of one or more domain_name + elements. + + + + + + dotted_decimal @@ -3224,7 +3439,8 @@ $ORIGIN 0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa. /* This is a BIND comment as in C */ // This is a BIND comment as in C++ - # This is a BIND comment as in common UNIX shells and perl + # This is a BIND comment as in common UNIX shells +# and perl @@ -3439,6 +3655,17 @@ $ORIGIN 0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa. + managed-keys + + + + lists DNSSEC keys to be kept up to date + using RFC 5011 trust anchor maintenance. + + + + + view @@ -3559,10 +3786,12 @@ $ORIGIN 0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa. <command>controls</command> Statement Grammar controls { - [ inet ( ip_addr | * ) [ port ip_port ] allow { address_match_list } + [ inet ( ip_addr | * ) [ port ip_port ] + allow { address_match_list } keys { key_list }; ] [ inet ...; ] - [ unix path perm number owner number group number keys { key_list }; ] + [ unix path perm number owner number group number + keys { key_list }; ] [ unix ...; ] }; @@ -4031,32 +4260,30 @@ notrace. All debugging messages in the server have a debug channel default_syslog { - syslog daemon; // send to syslog's daemon - // facility - severity info; // only send priority info - // and higher -}; + // send to syslog's daemon facility + syslog daemon; + // only send priority info and higher + severity info; channel default_debug { - file "named.run"; // write to named.run in - // the working directory - // Note: stderr is used instead - // of "named.run" - // if the server is started - // with the '-f' option. - severity dynamic; // log at the server's - // current debug level + // write to named.run in the working directory + // Note: stderr is used instead of "named.run" if + // the server is started with the '-f' option. + file "named.run"; + // log at the server's current debug level + severity dynamic; }; channel default_stderr { - stderr; // writes to stderr - severity info; // only send priority info - // and higher + // writes to stderr + stderr; + // only send priority info and higher + severity info; }; channel null { - null; // toss anything sent to - // this channel + // toss anything sent to this channel + null; }; @@ -4308,12 +4535,14 @@ category notify { null; }; The query log entry reports the client's IP address and port number, and the query name, - class and type. It also reports whether the + class and type. Next it reports whether the Recursion Desired flag was set (+ if set, - if not set), if the query was signed (S), - EDNS was in use (E), if DO (DNSSEC Ok) was - set (D), or if CD (Checking Disabled) was set - (C). + EDNS was in use (E), if TCP was used (T), if + DO (DNSSEC Ok) was set (D), or if CD (Checking + Disabled) was set (C). After this the + destination address the query was sent to is + reported. @@ -4453,7 +4682,13 @@ category notify { null; }; The log message will look like as follows: - fetch completed at resolver.c:2970 for www.example.com/A in 30.000183: timed out/success [domain:example.com,referral:2,restart:7,qrysent:8,timeout:5,lame:0,neterr:0,badresp:1,adberr:0,findfail:0,valfail:0] + + +fetch completed at resolver.c:2970 for www.example.com/A +in 30.000183: timed out/success [domain:example.com, +referral:2,restart:7,qrysent:8,timeout:5,lame:0,neterr:0, +badresp:1,adberr:0,findfail:0,valfail:0] + The first part before the colon shows that a recursive @@ -4485,8 +4720,8 @@ category notify { null; }; - - + + @@ -4651,7 +4886,8 @@ category notify { null; }; lwres { - listen-on { ip_addr port ip_port ; ip_addr port ip_port ; ... }; + listen-on { ip_addr port ip_port ; + ip_addr port ip_port ; ... }; view view_name; search { domain_name ; domain_name ; ... }; ndots number; @@ -4718,7 +4954,8 @@ category notify { null; }; <command>masters</command> Statement Grammar -masters name port ip_port { ( masters_list | ip_addr port ip_port key key ) ; ... }; +masters name port ip_port { ( masters_list | + ip_addr port ip_port key key ) ; ... }; @@ -4741,17 +4978,21 @@ category notify { null; }; options { + attach-cache cache_name; version version_string; hostname hostname_string; server-id server_id_string; directory path_name; key-directory path_name; + managed-keys-directory path_name; named-xfer path_name; + tkey-gssapi-keytab path_name; tkey-gssapi-credential principal; tkey-domain domainname; tkey-dhkey key_name key_tag; cache-file path_name; dump-file path_name; + bindkeys-file path_name; memstatistics yes_or_no; memstatistics-file path_name; pid-file path_name; @@ -4776,8 +5017,9 @@ category notify { null; }; maintain-ixfr-base yes_or_no; ixfr-from-differences (yes_or_no | master | slave); dnssec-enable yes_or_no; - dnssec-validation yes_or_no; - dnssec-lookaside domain trust-anchor domain; + dnssec-validation (yes_or_no | auto); + dnssec-lookaside ( auto | + domain trust-anchor domain ); dnssec-must-be-secure domain yes_or_no; dnssec-accept-expired yes_or_no; forward ( only | first ); @@ -4788,12 +5030,14 @@ category notify { null; }; ... }; check-names ( master | slave | response ) ( warn | fail | ignore ); + check-dup-records ( warn | fail | ignore ); check-mx ( warn | fail | ignore ); check-wildcard yes_or_no; check-integrity yes_or_no; check-mx-cname ( warn | fail | ignore ); check-srv-cname ( warn | fail | ignore ); check-sibling yes_or_no; + allow-new-zones { yes_or_no }; allow-notify { address_match_list }; allow-query { address_match_list }; allow-query-on { address_match_list }; @@ -4805,6 +5049,8 @@ category notify { null; }; allow-update { address_match_list }; allow-update-forwarding { address_match_list }; update-check-ksk yes_or_no; + dnssec-dnskey-kskonly yes_or_no; + dnssec-secure-to-insecure yes_or_no ; try-tcp-refresh yes_or_no; allow-v6-synthesis { address_match_list }; blackhole { address_match_list }; @@ -4816,12 +5062,12 @@ category notify { null; }; listen-on-v6 port ip_port { address_match_list }; query-source ( ( ip4_addr | * ) port ( ip_port | * ) | - address ( ip4_addr | * ) - port ( ip_port | * ) ) ; + address ( ip4_addr | * ) + port ( ip_port | * ) ) ; query-source-v6 ( ( ip6_addr | * ) - port ( ip_port | * ) | - address ( ip6_addr | * ) - port ( ip_port | * ) ) ; + port ( ip_port | * ) | + address ( ip6_addr | * ) + port ( ip_port | * ) ) ; use-queryport-pool yes_or_no; queryport-pool-ports number; queryport-pool-updateinterval number; @@ -4842,13 +5088,15 @@ category notify { null; }; transfer-source (ip4_addr | *) port ip_port ; transfer-source-v6 (ip6_addr | *) port ip_port ; alt-transfer-source (ip4_addr | *) port ip_port ; - alt-transfer-source-v6 (ip6_addr | *) port ip_port ; + alt-transfer-source-v6 (ip6_addr | *) + port ip_port ; use-alt-transfer-source yes_or_no; notify-delay seconds ; notify-source (ip4_addr | *) port ip_port ; notify-source-v6 (ip6_addr | *) port ip_port ; notify-to-soa yes_or_no ; - also-notify { ip_addr port ip_port ; ip_addr port ip_port ; ... }; + also-notify { ip_addr port ip_port ; + ip_addr port ip_port ; ... }; max-ixfr-log-size number; max-journal-size size_spec; coresize size_spec ; @@ -4884,12 +5132,25 @@ category notify { null; }; random-device path_name ; max-cache-size size_spec ; match-mapped-addresses yes_or_no; + filter-aaaa-on-v4 ( yes_or_no | break-dnssec ); + filter-aaaa { address_match_list }; + dns64 IPv6-prefix { + clients { address_match_list }; + mapped { address_match_list }; + exclude { address_match_list }; + suffix IPv6-address; + recursive-only yes_or_no; + break-dnssec yes_or_no; + }; ; + dns64-server name + dns64-contact name preferred-glue ( A | AAAA | NONE ); edns-udp-size number; max-udp-size number; root-delegation-only exclude { namelist } ; querylog yes_or_no ; - disable-algorithms domain { algorithm; algorithm; }; + disable-algorithms domain { algorithm; + algorithm; }; acache-enable yes_or_no ; acache-cleaning-interval number; max-acache-size size_spec ; @@ -4902,6 +5163,10 @@ category notify { null; }; disable-empty-zone zone_name ; zero-no-soa-ttl yes_or_no ; zero-no-soa-ttl-cache yes_or_no ; + resolver-query-timeout number ; + deny-answer-addresses { address_match_list } except-from { namelist } ; + deny-answer-aliases { namelist } except-from { namelist } ; + response-policy { zone_name policy given | no-op | nxdomain | nodata | cname domain ; } ; }; @@ -4923,6 +5188,102 @@ category notify { null; }; + + attach-cache + + + Allows multiple views to share a single cache + database. + Each view has its own cache database by default, but + if multiple views have the same operational policy + for name resolution and caching, those views can + share a single cache to save memory and possibly + improve resolution efficiency by using this option. + + + + The attach-cache option + may also be specified in view + statements, in which case it overrides the + global attach-cache option. + + + + The cache_name specifies + the cache to be shared. + When the named server configures + views which are supposed to share a cache, it + creates a cache with the specified name for the + first view of these sharing views. + The rest of the views will simply refer to the + already created cache. + + + + One common configuration to share a cache would be to + allow all views to share a single cache. + This can be done by specifying + the attach-cache as a global + option with an arbitrary name. + + + + Another possible operation is to allow a subset of + all views to share a cache while the others to + retain their own caches. + For example, if there are three views A, B, and C, + and only A and B should share a cache, specify the + attach-cache option as a view A (or + B)'s option, referring to the other view name: + + + + view "A" { + // this view has its own cache + ... + }; + view "B" { + // this view refers to A's cache + attach-cache "A"; + }; + view "C" { + // this view has its own cache + ... + }; + + + + Views that share a cache must have the same policy + on configurable parameters that may affect caching. + The current implementation requires the following + configurable options be consistent among these + views: + check-names, + cleaning-interval, + dnssec-accept-expired, + dnssec-validation, + max-cache-ttl, + max-ncache-ttl, + max-cache-size, and + zero-no-soa-ttl. + + + + Note that there may be other parameters that may + cause confusion if they are inconsistent for + different views that share a single cache. + For example, if these views define different sets of + forwarders that can return different answers for the + same question, sharing the answer does not make + sense or could even be harmful. + It is administrator's responsibility to ensure + configuration differences in different views do + not cause disruption with a shared cache. + + + + + directory @@ -4950,10 +5311,24 @@ category notify { null; }; When performing dynamic update of secure zones, the directory where the public and private DNSSEC key files should be found, if different than the current working - directory. The directory specified must be an absolute - path. (Note that this option has no effect on the paths - for files containing non-DNSSEC keys such as the - rndc.key. + directory. (Note that this option has no effect on the + paths for files containing non-DNSSEC keys such as + bind.keys, + rndc.key or + session.key.) + + + + + + managed-keys-directory + + + The directory used to hold the files used to track managed keys. + By default it is the working directory. It there are no + views then the file managed-keys.bind + otherwise a SHA256 hash of the view name is used with + .mkeys extension added. @@ -4973,19 +5348,33 @@ category notify { null; }; + tkey-gssapi-keytab + + + The KRB5 keytab file to use for GSS-TSIG updates. If + this option is set and tkey-gssapi-credential is not + set, then updates will be allowed with any key + matching a principal in the specified keytab. + + + + + tkey-gssapi-credential The security credential with which the server should authenticate keys requested by the GSS-TSIG protocol. Currently only Kerberos 5 authentication is available - and the credential is a Kerberos principal which - the server can acquire through the default system - key file, normally /etc/krb5.keytab. - Normally this principal is of the form - "DNS/server.domain". - To use GSS-TSIG, tkey-domain - must also be set. + and the credential is a Kerberos principal which the + server can acquire through the default system key + file, normally /etc/krb5.keytab. + The location keytab file can be overridden using the + tkey-gssapi-keytab option. Normally this principal is + of the form "DNS/server.domain". + To use GSS-TSIG, tkey-domain must + also be set if a specific keytab is not set with + tkey-gssapi-keytab. @@ -5007,7 +5396,8 @@ category notify { null; }; should be the server's domain name, or an otherwise non-existent subdomain like "_tkey.domainname". If you are - using GSS-TSIG, this variable must be defined. + using GSS-TSIG, this variable must be defined, unless + you specify a specific keytab using tkey-gssapi-keytab. @@ -5106,6 +5496,84 @@ category notify { null; }; + bindkeys-file + + + The pathname of a file to override the built-in trusted + keys provided by named. + See the discussion of dnssec-lookaside + and dnssec-validation for details. + If not specified, the default is + /etc/bind.keys. + + + + + + secroots-file + + + The pathname of the file the server dumps + security roots to when instructed to do so with + rndc secroots. + If not specified, the default is named.secroots. + + + + + + session-keyfile + + + The pathname of the file into which to write a TSIG + session key generated by named for use by + nsupdate -l. If not specified, the + default is /var/run/named/session.key. + (See , and in + particular the discussion of the + update-policy statement's + local option for more + information about this feature.) + + + + + + session-keyname + + + The key name to use for the TSIG session key. + If not specified, the default is "local-ddns". + + + + + + session-keyalg + + + The algorithm to use for the TSIG session key. + Valid values are hmac-sha1, hmac-sha224, hmac-sha256, + hmac-sha384, hmac-sha512 and hmac-md5. If not + specified, the default is hmac-sha256. + + + + + + session-keyfile + + + The pathname of the file into which to write a session TSIG + key for use by nsupdate -l. (See the + discussion of the update-policy + statement's local option for more + details on this feature.) + + + + + port @@ -5167,14 +5635,14 @@ category notify { null; }; DS queries are expected to be made to and be answered by delegation only zones. Such queries and responses are - treated as a exception to delegation-only processing + treated as an exception to delegation-only processing and are not converted to NXDOMAIN responses provided a CNAME is not discovered at the query name. If a delegation only zone server also serves a child zone it is not always possible to determine whether - a answer comes from the delegation only zone or the + an answer comes from the delegation only zone or the child zone. SOA NS and DNSKEY records are apex only records and a matching response that contains these records or DS is treated as coming from a @@ -5223,21 +5691,46 @@ options { dnssec-lookaside - When set, dnssec-lookaside - provides the - validator with an alternate method to validate DNSKEY records - at the - top of a zone. When a DNSKEY is at or below a domain - specified by the - deepest dnssec-lookaside, and - the normal DNSSEC validation - has left the key untrusted, the trust-anchor will be append to - the key - name and a DLV record will be looked up to see if it can - validate the - key. If the DLV record validates a DNSKEY (similarly to the - way a DS + When set, dnssec-lookaside provides the + validator with an alternate method to validate DNSKEY + records at the top of a zone. When a DNSKEY is at or + below a domain specified by the deepest + dnssec-lookaside, and the normal DNSSEC + validation has left the key untrusted, the trust-anchor + will be appended to the key name and a DLV record will be + looked up to see if it can validate the key. If the DLV + record validates a DNSKEY (similarly to the way a DS record does) the DNSKEY RRset is deemed to be trusted. + + + If dnssec-lookaside is set to + auto, then built-in default + values for the DLV domain and trust anchor will be + used, along with a built-in key for validation. + + + The default DLV key is stored in the file + bind.keys; + named will load that key at + startup if dnssec-lookaside is set to + auto. A copy of the file is + installed along with BIND 9, and is + current as of the release date. If the DLV key expires, a + new copy of bind.keys can be downloaded + from https://www.isc.org/solutions/dlv. + + + (To prevent problems if bind.keys is + not found, the current key is also compiled in to + named. Relying on this is not + recommended, however, as it requires named + to be recompiled with a new key when the DLV key expires.) + + + NOTE: named only loads certain specific + keys from bind.keys: those for the + DLV zone and for the DNS root zone. The file cannot be + used to store keys for other zones. @@ -5246,21 +5739,86 @@ options { dnssec-must-be-secure - Specify hierarchies which must be or may not be secure (signed and - validated). - If yes, then named will only accept - answers if they - are secure. - If no, then normal DNSSEC validation - applies - allowing for insecure answers to be accepted. - The specified domain must be under a trusted-key or - dnssec-lookaside must be - active. + Specify hierarchies which must be or may not be secure + (signed and validated). If yes, + then named will only accept answers if + they are secure. If no, then normal + DNSSEC validation applies allowing for insecure answers to + be accepted. The specified domain must be under a + trusted-keys or + managed-keys statement, or + dnssec-lookaside must be active. + + dns64 + + + This directive instructs named to + return mapped IPv4 addresses to AAAA queries when + there are no AAAA records. It is intended to be + used in conjunction with a NAT64. Each + dns64 defines one DNS64 prefix. + Multiple DNS64 prefixes can be defined. + + + Compatible IPv6 prefixes have lengths of 32, 40, 48, 56, + 64 and 96 as per RFC 6052. + + + Additionally a reverse IP6.ARPA zone will be created for + the prefix to provide a mapping from the IP6.ARPA names + to the corresponding IN-ADDR.ARPA names using synthesized + CNAMEs. dns64-server and + dns64-contact can be used to specify + the name of the server and contact for the zones. These + are settable at the view / options level. These are + not settable on a per-prefix basis. + + + Each dns64 supports an optional + clients ACL that determines which + clients are affected by this directive. If not defined, + it defaults to any;. + + + Each dns64 supports an optional + mapped ACL that selects which + IPv4 addresses are to be mapped in the corresponding + A RRset. If not defined it defaults to + any;. + + + Each dns64 supports an optional + exclude ACL that selects which + IPv6 addresses will be ignored for the purposes + of determining whether dns64 is to be applied. + Any non-matching address will prevent further + DNS64 processing from occurring for this client. + + + A optional suffix can also + be defined to set the bits trailing the mapped + IPv4 address bits. By default these bits are + set to ::. The bits + matching the prefix and mapped IPv4 address + must be zero. + + + acl rfc1918 { 10/8; 192.168/16; 172.16/12; }; + + dns64 64:FF9B::/96 { + clients { any; }; + mapped { !rfc1918; any; }; + exclude { 64:FF9B::/96; ::ffff:0000:0000/96; }; + suffix ::; + }; + + + + @@ -5269,6 +5827,18 @@ options { + allow-new-zones + + + If yes, then zones can be + added at runtime via rndc addzone + or deleted via rndc delzone. + The default is no. + + + + + auth-nxdomain @@ -5755,6 +6325,7 @@ options { off on a per-zone basis by specifying zone-statistics no in the zone statement). + The default is no. These statistics may be accessed using rndc stats, which will dump them to the file listed @@ -5928,6 +6499,60 @@ options { + filter-aaaa-on-v4 + + + This option is only available when + BIND 9 is compiled with the + --enable-filter-aaaa option on the + "configure" command line. It is intended to help the + transition from IPv4 to IPv6 by not giving IPv6 addresses + to DNS clients unless they have connections to the IPv6 + Internet. This is not recommended unless absolutely + necessary. The default is no. + The filter-aaaa-on-v4 option + may also be specified in view statements + to override the global filter-aaaa-on-v4 + option. + + + If yes, + the DNS client is at an IPv4 address, in filter-aaaa, + and if the response does not include DNSSEC signatures, + then all AAAA records are deleted from the response. + This filtering applies to all responses and not only + authoritative responses. + + + If break-dnssec, + then AAAA records are deleted even when dnssec is enabled. + As suggested by the name, this makes the response not verify, + because the DNSSEC protocol is designed detect deletions. + + + This mechanism can erroneously cause other servers to + not give AAAA records to their clients. + A recursing server with both IPv6 and IPv4 network connections + that queries an authoritative server using this mechanism + via IPv4 will be denied AAAA records even if its client is + using IPv6. + + + This mechanism is applied to authoritative as well as + non-authoritative records. + A client using IPv4 that is not allowed recursion can + erroneously be given AAAA records because the server is not + allowed to check for A records. + + + Some AAAA records are given to IPv4 clients in glue records. + IPv4 clients that are servers can then erroneously + answer requests for AAAA records received via IPv4. + + + + + ixfr-from-differences @@ -5996,7 +6621,15 @@ options { Enable DNSSEC validation in named. Note dnssec-enable also needs to be set to yes to be effective. - The default is yes. + If set to no, DNSSEC validation + is disabled. If set to auto, + DNSSEC validation is enabled, and a default + trust-anchor for the DNS root zone is used. If set to + yes, DNSSEC validation is enabled, + but a trust anchor must be manually configured using + a trusted-keys or + managed-keys statement. The default + is yes. @@ -6007,7 +6640,9 @@ options { Accept expired signatures when verifying DNSSEC signatures. The default is no. - Setting this option to "yes" leaves named vulnerable to replay attacks. + Setting this option to yes + leaves named vulnerable to + replay attacks. @@ -6057,6 +6692,19 @@ options { + check-dup-records + + + Check master zones for records that are treated as different + by DNSSEC but are semantically equal in plain DNS. The + default is to warn. Other possible + values are fail and + ignore. + + + + + check-mx @@ -6161,13 +6809,49 @@ options { update-check-ksk - When regenerating the RRSIGs following a UPDATE - request to a secure zone, check the KSK flag on - the DNSKEY RR to determine if this key should be - used to generate the RRSIG. This flag is ignored - if there are not DNSKEY RRs both with and without - a KSK. - The default is yes. + When set to the default value of yes, + check the KSK bit in each key to determine how the key + should be used when generating RRSIGs for a secure zone. + + + Ordinarily, zone-signing keys (that is, keys without the + KSK bit set) are used to sign the entire zone, while + key-signing keys (keys with the KSK bit set) are only + used to sign the DNSKEY RRset at the zone apex. + However, if this option is set to no, + then the KSK bit is ignored; KSKs are treated as if they + were ZSKs and are used to sign the entire zone. This is + similar to the dnssec-signzone -z + command line option. + + + When this option is set to yes, there + must be at least two active keys for every algorithm + represented in the DNSKEY RRset: at least one KSK and one + ZSK per algorithm. If there is any algorithm for which + this requirement is not met, this option will be ignored + for that algorithm. + + + + + + dnssec-dnskey-kskonly + + + When this option and update-check-ksk + are both set to yes, only key-signing + keys (that is, keys with the KSK bit set) will be used + to sign the DNSKEY RRset at the zone apex. Zone-signing + keys (keys without the KSK bit set) will be used to sign + the remainder of the zone, but not the DNSKEY RRset. + This is similar to the + dnssec-signzone -x command line option. + + + The default is no. If + update-check-ksk is set to + no, this option is ignored. @@ -6183,6 +6867,34 @@ options { + + dnssec-secure-to-insecure + + + Allow a dynamic zone to transition from secure to + insecure (i.e., signed to unsigned) by deleting all + of the DNSKEY records. The default is no. + If set to yes, and if the DNSKEY RRset + at the zone apex is deleted, all RRSIG and NSEC records + will be removed from the zone as well. + + + If the zone uses NSEC3, then it is also necessary to + delete the NSEC3PARAM RRset from the zone apex; this will + cause the removal of all corresponding NSEC3 records. + (It is expected that this requirement will be eliminated + in a future release.) + + + Note that if a zone has been configured with + auto-dnssec maintain and the + private keys remain accessible in the key repository, + then the zone will be automatically signed again the + next time named is started. + + + + @@ -6483,18 +7195,41 @@ options { - blackhole + blackhole + + + Specifies a list of addresses that the + server will not accept queries from or use to resolve a + query. Queries + from these addresses will not be responded to. The default + is none. + + + + + + filter-aaaa + + + Specifies a list of addresses to which + filter-aaaa-on-v4 + is applies. The default is any. + + + + + + resolver-query-timeout - Specifies a list of addresses that the - server will not accept queries from or use to resolve a - query. Queries - from these addresses will not be responded to. The default - is none. + The amount of time the resolver will spend attempting + to resolve a recursive query before failing. The + default is 10 and the maximum is + 30. Setting it to 0 + will result in the default being used. - @@ -7542,20 +8277,26 @@ avoid-v6-udp-ports { 40000; range 50000 60000; }; sortlist { - { localhost; // IF the local host - { localnets; // THEN first fit on the - 192.168.1/24; // following nets + // IF the local host + // THEN first fit on the following nets + { localhost; + { localnets; + 192.168.1/24; { 192.168.2/24; 192.168.3/24; }; }; }; - { 192.168.1/24; // IF on class C 192.168.1 - { 192.168.1/24; // THEN use .1, or .2 or .3 + // IF on class C 192.168.1 THEN use .1, or .2 or .3 + { 192.168.1/24; + { 192.168.1/24; { 192.168.2/24; 192.168.3/24; }; }; }; - { 192.168.2/24; // IF on class C 192.168.2 - { 192.168.2/24; // THEN use .2, or .1 or .3 + // IF on class C 192.168.2 THEN use .2, or .1 or .3 + { 192.168.2/24; + { 192.168.2/24; { 192.168.1/24; 192.168.3/24; }; }; }; - { 192.168.3/24; // IF on class C 192.168.3 - { 192.168.3/24; // THEN use .3, or .1 or .2 + // IF on class C 192.168.3 THEN use .3, or .1 or .2 + { 192.168.3/24; + { 192.168.3/24; { 192.168.1/24; 192.168.2/24; }; }; }; - { { 192.168.4/24; 192.168.5/24; }; // if .4 or .5, prefer that net + // IF .4 or .5 THEN prefer that net + { { 192.168.4/24; 192.168.5/24; }; }; }; @@ -7772,7 +8513,7 @@ avoid-v6-udp-ports { 40000; range 50000 60000; }; DNSSEC signatures automatically generated as a result of dynamic updates () will expire. There - is a optional second field which specifies how + is an optional second field which specifies how long before expiry that the signatures will be regenerated. If not specified, the signatures will be regenerated at 1/4 of base interval. The second @@ -7877,7 +8618,7 @@ avoid-v6-udp-ports { 40000; range 50000 60000; }; Sets the advertised EDNS UDP buffer size in bytes to control the size of packets received. - Valid values are 512 to 4096 (values outside this range + Valid values are 1024 to 4096 (values outside this range will be silently adjusted). The default value is 4096. The usual reason for setting edns-udp-size to a non-default @@ -7885,24 +8626,36 @@ avoid-v6-udp-ports { 40000; range 50000 60000; }; firewalls that block fragmented packets and/or block UDP packets that are greater than 512 bytes. + + named will fallback to using 512 bytes + if it get a series of timeout at the initial value. 512 + bytes is not being offered to encourage sites to fix their + firewalls. Small EDNS UDP sizes will result in the + excessive use of TCP. + max-udp-size - - - Sets the maximum EDNS UDP message size named will - send in bytes. Valid values are 512 to 4096 (values outside - this range will be silently adjusted). The default + + + Sets the maximum EDNS UDP message size + named will send in bytes. + Valid values are 512 to 4096 (values outside this + range will be silently adjusted). The default value is 4096. The usual reason for setting - max-udp-size to a non-default value is to get UDP - answers to pass through broken firewalls that - block fragmented packets and/or block UDP packets - that are greater than 512 bytes. + max-udp-size to a non-default + value is to get UDP answers to pass through broken + firewalls that block fragmented packets and/or + block UDP packets that are greater than 512 bytes. This is independent of the advertised receive buffer (edns-udp-size). + + Setting this to a low value will encourage additional + TCP traffic to the nameserver. + @@ -8081,7 +8834,7 @@ avoid-v6-udp-ports { 40000; range 50000 60000; }; Named will attempt to determine if a built-in zone already exists or is active (covered by a forward-only forwarding declaration) - and will not create a empty zone in that case. + and will not create an empty zone in that case. The current list of empty zones is: @@ -8308,6 +9061,282 @@ XXX: end of RFC1918 addresses #defined out --> + + Content Filtering + + BIND 9 provides the ability to filter + out DNS responses from external DNS servers containing + certain types of data in the answer section. + Specifically, it can reject address (A or AAAA) records if + the corresponding IPv4 or IPv6 addresses match the given + address_match_list of the + deny-answer-addresses option. + It can also reject CNAME or DNAME records if the "alias" + name (i.e., the CNAME alias or the substituted query name + due to DNAME) matches the + given namelist of the + deny-answer-aliases option, where + "match" means the alias name is a subdomain of one of + the name_list elements. + If the optional namelist is specified + with except-from, records whose query name + matches the list will be accepted regardless of the filter + setting. + Likewise, if the alias name is a subdomain of the + corresponding zone, the deny-answer-aliases + filter will not apply; + for example, even if "example.com" is specified for + deny-answer-aliases, + +www.example.com. CNAME xxx.example.com. + + + returned by an "example.com" server will be accepted. + + + + In the address_match_list of the + deny-answer-addresses option, only + ip_addr + and ip_prefix + are meaningful; + any key_id will be silently ignored. + + + + If a response message is rejected due to the filtering, + the entire message is discarded without being cached, and + a SERVFAIL error will be returned to the client. + + + + This filtering is intended to prevent "DNS rebinding attacks," in + which an attacker, in response to a query for a domain name the + attacker controls, returns an IP address within your own network or + an alias name within your own domain. + A naive web browser or script could then serve as an + unintended proxy, allowing the attacker + to get access to an internal node of your local network + that couldn't be externally accessed otherwise. + See the paper available at + + http://portal.acm.org/citation.cfm?id=1315245.1315298 + + for more details about the attacks. + + + + For example, if you own a domain named "example.net" and + your internal network uses an IPv4 prefix 192.0.2.0/24, + you might specify the following rules: + + +deny-answer-addresses { 192.0.2.0/24; } except-from { "example.net"; }; +deny-answer-aliases { "example.net"; }; + + + + If an external attacker lets a web browser in your local + network look up an IPv4 address of "attacker.example.com", + the attacker's DNS server would return a response like this: + + +attacker.example.com. A 192.0.2.1 + + + in the answer section. + Since the rdata of this record (the IPv4 address) matches + the specified prefix 192.0.2.0/24, this response will be + ignored. + + + + On the other hand, if the browser looks up a legitimate + internal web server "www.example.net" and the + following response is returned to + the BIND 9 server + + +www.example.net. A 192.0.2.2 + + + it will be accepted since the owner name "www.example.net" + matches the except-from element, + "example.net". + + + + Note that this is not really an attack on the DNS per se. + In fact, there is nothing wrong for an "external" name to + be mapped to your "internal" IP address or domain name + from the DNS point of view. + It might actually be provided for a legitimate purpose, + such as for debugging. + As long as the mapping is provided by the correct owner, + it is not possible or does not make sense to detect + whether the intent of the mapping is legitimate or not + within the DNS. + The "rebinding" attack must primarily be protected at the + application that uses the DNS. + For a large site, however, it may be difficult to protect + all possible applications at once. + This filtering feature is provided only to help such an + operational environment; + it is generally discouraged to turn it on unless you are + very sure you have no other choice and the attack is a + real threat for your applications. + + + + Care should be particularly taken if you want to use this + option for addresses within 127.0.0.0/8. + These addresses are obviously "internal", but many + applications conventionally rely on a DNS mapping from + some name to such an address. + Filtering out DNS records containing this address + spuriously can break such applications. + + + + + Response Policy Zone (RPZ) Rewriting + + BIND 9 includes an intentionally limited + mechanism to modify DNS responses for recursive requests + similar to email anti-spam DNS blacklists. + All response policy zones are named in the + response-policy option for the view or among the + global options if there is no response-policy option for the view. + + + + The rules encoded in a response policy zone (RPZ) are applied + only to responses to queries that ask for recursion (RD=1). + RPZs are normal DNS zones containing RRsets + that can be queried normally if allowed. + It is usually best to restrict those queries with something like + allow-query {none; }; or + allow-query { 127.0.0.1; };. + + + + There are four kinds of RPZ rewrite rules. QNAME rules are + applied to query names in requests and to targets of CNAME + records resolved in the process of generating the response. + The owner name of a QNAME rule is the query name relativized + to the RPZ. + The records in a rewrite rule are usually A, AAAA, or special + CNAMEs, but can be any type except DNAME. + + + + IP rules are triggered by addresses in A and AAAA records. + All IP addresses in A or AAAA RRsets are tested and the rule + longest prefix is applied. Ties between rules with equal prefixes + are broken in favor of the first RPZ mentioned in the + response-policy option. + The rule matching the smallest IP address is chosen among equal + prefix rules from a single RPZ. + IP rules are expressed in RRsets with owner names that are + subdomains of rpz-ip and encoding an IP address block, reversed + as in IN-ARPA. + prefix.B.B.B.B with prefix between 1 and 32 and B between 1 and 255 + encodes an IPv4 address. + IPv6 addresses are encoded by with prefix.W.W.W.W.W.W.W.W or + prefix.WORDS.zz.WORDS. The words in the standard IPv6 text + representation are reversed, "::" is replaced with ".zz.", + and ":" becomes ".". + + + + NSDNAME rules match names in NS RRsets for the response or a + parent. They are encoded as subdomains of rpz-nsdomain relativized + to the RPZ origin name. + + + + NSIP rules match IP addresses in A and AAAA RRsets for names of + responsible servers or the names that can be matched by NSDNAME + rules. The are encoded like IP rules except as subdomains of + rpz-nsip. + + + + Authority verification issues and variations in authority data in + the current version of BIND 9 can cause + inconsistent results from NSIP and NSDNAME. So they are available + only when BIND is built with the + --enable-rpz-nsip or + --enable-rpz-nsdname options + on the "configure" command line. + + + + Four policies can be expressed. + The NXDOMAIN policy causes a NXDOMAIN response + and is expressed with an RRset consisting of a single CNAME + whose target is the root domain (.). + NODATA generates NODATA or ANCOUNT=1 regardless + of query type. + It is expressed with a CNAME whose target is the wildcard + top-level domain (*.). + The NO-OP policy does not change the response + and is used to "poke holes" in policies for larger CIDR blocks or in + zones named later in the response-policy option. + The NO-OP policy is expressed by a CNAME with a target consisting + of the variable part of the owner name, such as "example.com." for + a QNAME rule or "128.1.0.0.127." for an IP rule. + The CNAME policy is used to replace the RRsets + of response. + A and AAAA RRsets are most common and useful to capture + an evil domain in a walled garden, but any valid set of RRsets + is possible. + + + + All of the policies in an RPZ can be overridden with a + policy clause. + given says "do not override." + no-op says "do nothing" regardless of the policy + in RPZ records. + nxdomain causes all RPZ rules to generate + NXDOMAIN results. + nodata gives nodata. + cname domain causes all RPZ rules to act as if + the consisted of a "cname domain" record. + + + + For example, you might use this option statement + +response-policy { zone "bl"; }; + + and this zone statement + +zone "bl" {type master; file "example/bl"; allow-query {none;}; }; + + with this zone file + +$TTL 1H +@ SOA LOCALHOST. named-mgr.example.com (1 1h 15m 30d 2h) + +; QNAME rules +nxdomain.domain.com CNAME . +nodata.domain.com CNAME *. +bad.domain.com A 10.0.0.1 + AAAA 2001:2::1 +ok.domain.com CNAME ok.domain.com. +*.badzone.domain.com CNAME garden.example.com. + +; IP rules rewriting all answers for 127/8 except 127.0.0.1 +8.0.0.0.127.ip CNAME . +32.1.0.0.127.ip CNAME 32.1.0.0.127. + +; NSDNAME and NSIP rules +ns.domain.com.rpz-nsdname CNAME . +48.zz.2.2001.rpz-nsip CNAME . + + @@ -8327,8 +9356,10 @@ XXX: end of RFC1918 addresses #defined out --> transfer-source-v6 (ip6_addr | *) port ip_port ; notify-source (ip4_addr | *) port ip_port ; notify-source-v6 (ip6_addr | *) port ip_port ; - query-source address ( ip_addr | * ) port ( ip_port | * ) ; - query-source-v6 address ( ip_addr | * ) port ( ip_port | * ) ; + query-source address ( ip_addr | * ) + port ( ip_port | * ) ; + query-source-v6 address ( ip_addr | * ) + port ( ip_port | * ) ; use-queryport-pool yes_or_no; queryport-pool-ports number; queryport-pool-updateinterval number; @@ -8526,7 +9557,8 @@ XXX: end of RFC1918 addresses #defined out --> <command>statistics-channels</command> Statement Grammar statistics-channels { - [ inet ( ip_addr | * ) [ port ip_port ] [allow { address_match_list } ]; ] + [ inet ( ip_addr | * ) [ port ip_port ] + [ allow { address_match_list } ]; ] [ inet ...; ] }; @@ -8590,7 +9622,7 @@ XXX: end of RFC1918 addresses #defined out --> - + <command>trusted-keys</command> Statement Grammar trusted-keys { @@ -8632,6 +9664,136 @@ XXX: end of RFC1918 addresses #defined out --> in the key data, so the configuration may be split up into multiple lines. + + trusted-keys may be set at the top level + of named.conf or within a view. If it is + set in both places, they are additive: keys defined at the top + level are inherited by all views, but keys defined in a view + are only used within that view. + + + + + <command>managed-keys</command> Statement Grammar + +managed-keys { + string initial-key number number number string ; + string initial-key number number number string ; ... +}; + + + + + <command>managed-keys</command> Statement Definition + and Usage + + The managed-keys statement, like + trusted-keys, defines DNSSEC + security roots. The difference is that + managed-keys can be kept up to date + automatically, without intervention from the resolver + operator. + + + Suppose, for example, that a zone's key-signing + key was compromised, and the zone owner had to revoke and + replace the key. A resolver which had the old key in a + trusted-keys statement would be + unable to validate this zone any longer; it would + reply with a SERVFAIL response code. This would + continue until the resolver operator had updated the + trusted-keys statement with the new key. + + + If, however, the zone were listed in a + managed-keys statement instead, then the + zone owner could add a "stand-by" key to the zone in advance. + named would store the stand-by key, and + when the original key was revoked, named + would be able to transition smoothly to the new key. It would + also recognize that the old key had been revoked, and cease + using that key to validate answers, minimizing the damage that + the compromised key could do. + + + A managed-keys statement contains a list of + the keys to be managed, along with information about how the + keys are to be initialized for the first time. The only + initialization method currently supported (as of + BIND 9.7.0) is initial-key. + This means the managed-keys statement must + contain a copy of the initializing key. (Future releases may + allow keys to be initialized by other methods, eliminating this + requirement.) + + + Consequently, a managed-keys statement + appears similar to a trusted-keys, differing + in the presence of the second field, containing the keyword + initial-key. The difference is, whereas the + keys listed in a trusted-keys continue to be + trusted until they are removed from + named.conf, an initializing key listed + in a managed-keys statement is only trusted + once: for as long as it takes to load the + managed key database and start the RFC 5011 key maintenance + process. + + + The first time named runs with a managed key + configured in named.conf, it fetches the + DNSKEY RRset directly from the zone apex, and validates it + using the key specified in the managed-keys + statement. If the DNSKEY RRset is validly signed, then it is + used as the basis for a new managed keys database. + + + From that point on, whenever named runs, it + sees the managed-keys statement, checks to + make sure RFC 5011 key maintenance has already been initialized + for the specified domain, and if so, it simply moves on. The + key specified in the managed-keys is not + used to validate answers; it has been superseded by the key or + keys stored in the managed keys database. + + + The next time named runs after a name + has been removed from the + managed-keys statement, the corresponding + zone will be removed from the managed keys database, + and RFC 5011 key maintenance will no longer be used for that + domain. + + + named only maintains a single managed keys + database; consequently, unlike trusted-keys, + managed-keys may only be set at the top + level of named.conf, not within a view. + + + In the current implementation, the managed keys database is + stored as a master-format zone file called + managed-keys.bind. When the key database + is changed, the zone is updated. As with any other dynamic + zone, changes will be written into a journal file, + managed-keys.bind.jnl. They are committed + to the master file as soon as possible afterward; in the case + of the managed key database, this will usually occur within 30 + seconds. So, whenever named is using + automatic key maintenance, those two files can be expected to + exist in the working directory. (For this reason among others, + the working directory should be always be writable by + named.) + + + If the dnssec-lookaside option is + set to auto, named + will automatically initialize a managed key for the + zone dlv.isc.org. The key that is + used to initialize the key maintenance process is built + into named, and can be overridden + from bindkeys-file. + @@ -8746,11 +9908,12 @@ XXX: end of RFC1918 addresses #defined out --> // This should match our internal networks. match-clients { 10.0.0.0/8; }; - // Provide recursive service to internal clients only. + // Provide recursive service to internal + // clients only. recursion yes; - // Provide a complete view of the example.com zone - // including addresses of internal hosts. + // Provide a complete view of the example.com + // zone including addresses of internal hosts. zone "example.com" { type master; file "example-internal.db"; @@ -8758,14 +9921,15 @@ XXX: end of RFC1918 addresses #defined out --> }; view "external" { - // Match all clients not matched by the previous view. + // Match all clients not matched by the + // previous view. match-clients { any; }; // Refuse recursive service to external clients. recursion no; - // Provide a restricted view of the example.com zone - // containing only publicly accessible hosts. + // Provide a restricted view of the example.com + // zone containing only publicly accessible hosts. zone "example.com" { type master; file "example-external.db"; @@ -8784,8 +9948,9 @@ view "external" { allow-query-on { address_match_list }; allow-transfer { address_match_list }; allow-update { address_match_list }; - update-policy { update_policy_rule ... }; - also-notify { ip_addr port ip_port ; ip_addr port ip_port ; ... }; + update-policy local | { update_policy_rule ... }; + also-notify { ip_addr port ip_port ; + ip_addr port ip_port ; ... }; check-names (warn|fail|ignore) ; check-mx (warn|fail|ignore) ; check-wildcard yes_or_no; @@ -8821,6 +9986,7 @@ view "external" { min-retry-time number ; max-retry-time number ; key-directory path_name; + auto-dnssec allow|maintain|create|off; zero-no-soa-ttl yes_or_no ; }; @@ -8832,8 +9998,11 @@ zone zone_name class allow-transfer { address_match_list }; allow-update-forwarding { address_match_list }; update-check-ksk yes_or_no; + dnssec-dnskey-kskonly yes_or_no; + dnssec-secure-to-insecure yes_or_no ; try-tcp-refresh yes_or_no; - also-notify { ip_addr port ip_port ; ip_addr port ip_port ; ... }; + also-notify { ip_addr port ip_port ; + ip_addr port ip_port ; ... }; check-names (warn|fail|ignore) ; dialup dialup_option ; file string ; @@ -8846,7 +10015,9 @@ zone zone_name class ixfr-from-differences yes_or_no; ixfr-tmp-file string ; maintain-ixfr-base yes_or_no ; - masters port ip_port { ( masters_list | ip_addr port ip_port key key ) ; ... }; + masters port ip_port { ( masters_list | ip_addr + port ip_port + key key ) ; ... }; max-ixfr-log-size number ; max-transfer-idle-in number ; max-transfer-idle-out number ; @@ -8859,7 +10030,8 @@ zone zone_name class transfer-source (ip4_addr | *) port ip_port ; transfer-source-v6 (ip6_addr | *) port ip_port ; alt-transfer-source (ip4_addr | *) port ip_port ; - alt-transfer-source-v6 (ip6_addr | *) port ip_port ; + alt-transfer-source-v6 (ip6_addr | *) + port ip_port ; use-alt-transfer-source yes_or_no; notify-source (ip4_addr | *) port ip_port ; notify-source-v6 (ip6_addr | *) port ip_port ; @@ -8877,7 +10049,7 @@ zone zone_name classstring ; delegation-only yes_or_no ; - check-names (warn|fail|ignore) ; // Not Implemented. + check-names (warn|fail|ignore) ; // Not Implemented. }; zone zone_name class { @@ -8891,14 +10063,18 @@ zone zone_name class masterfile-format (text|raw) ; forward (only|first) ; forwarders { ip_addr port ip_port ; ... }; - masters port ip_port { ( masters_list | ip_addr port ip_port key key ) ; ... }; + masters port ip_port { ( masters_list | ip_addr + port ip_port + key key ) ; ... }; max-transfer-idle-in number ; max-transfer-time-in number ; pubkey number number number string ; transfer-source (ip4_addr | *) port ip_port ; - transfer-source-v6 (ip6_addr | *) port ip_port ; + transfer-source-v6 (ip6_addr | *) + port ip_port ; alt-transfer-source (ip4_addr | *) port ip_port ; - alt-transfer-source-v6 (ip6_addr | *) port ip_port ; + alt-transfer-source-v6 (ip6_addr | *) + port ip_port ; use-alt-transfer-source yes_or_no; zone-statistics yes_or_no ; database string ; @@ -8910,6 +10086,14 @@ zone zone_name classzone_name class { + type static-stub; + allow-query { address_match_list }; + server-addresses { ip_addr ; ... }; + server-names { namelist }; + zone-statistics yes_or_no ; +}; + +zone zone_name class { type forward; forward (only|first) ; forwarders { ip_addr port ip_port ; ... }; @@ -9056,6 +10240,55 @@ zone zone_name class + static-stub + + + + + A static-stub zone is similar to a stub zone + with the following exceptions: + the zone data is statically configured, rather + than transferred from a master server; + when recursion is necessary for a query that + matches a static-stub zone, the locally + configured data (nameserver names and glue addresses) + is always used even if different authoritative + information is cached. + + + Zone data is configured via the + server-addresses and + server-names zone options. + + + The zone data is maintained in the form of NS + and (if necessary) glue A or AAAA RRs + internally, which can be seen by dumping zone + databases by rndc dumpdb -all. + The configured RRs are considered local configuration + parameters rather than public data. + Non recursive queries (i.e., those with the RD + bit off) to a static-stub zone are therefore + prohibited and will be responded with REFUSED. + + + Since the data is statically configured, no + zone maintenance action takes place for a static-stub + zone. + For example, there is no periodic refresh + attempt, and an incoming notify message + will be rejected with an rcode of NOTAUTH. + + + Each static-stub zone is configured with + internally generated NS and (if necessary) + glue A or AAAA RRs + + + + + + forward @@ -9270,6 +10503,7 @@ zone zone_name classmaster zones the default is fail. For slave zones the default is warn. + It is not implemented for hint zones. @@ -9335,6 +10569,16 @@ zone zone_name class + dnssec-dnskey-kskonly + + + See the description of + dnssec-dnskey-kskonly in . + + + + + try-tcp-refresh @@ -9569,6 +10813,84 @@ zone zone_name class + server-addresses + + + Only meaningful for static-stub zones. + This is a list of IP addresses to which queries + should be sent in recursive resolution for the + zone. + A non empty list for this option will internally + configure the apex NS RR with associated glue A or + AAAA RRs. + + + For example, if "example.com" is configured as a + static-stub zone with 192.0.2.1 and 2001:db8::1234 + in a server-addresses option, + the following RRs will be internally configured. + +example.com. NS example.com. +example.com. A 192.0.2.1 +example.com. AAAA 2001:db8::1234 + + These records are internally used to resolve + names under the static-stub zone. + For instance, if the server receives a query for + "www.example.com" with the RD bit on, the server + will initiate recursive resolution and send + queries to 192.0.2.1 and/or 2001:db8::1234. + + + + + + server-names + + + Only meaningful for static-stub zones. + This is a list of domain names of nameservers that + act as authoritative servers of the static-stub + zone. + These names will be resolved to IP addresses when + named needs to send queries to + these servers. + To make this supplemental resolution successful, + these names must not be a subdomain of the origin + name of static-stub zone. + That is, when "example.net" is the origin of a + static-stub zone, "ns.example" and + "master.example.com" can be specified in the + server-names option, but + "ns.example.net" cannot, and will be rejected by + the configuration parser. + + + A non empty list for this option will internally + configure the apex NS RR with the specified names. + For example, if "example.com" is configured as a + static-stub zone with "ns1.example.net" and + "ns2.example.net" + in a server-names option, + the following RRs will be internally configured. + +example.com. NS ns1.example.net. +example.com. NS ns2.example.net. + + + These records are internally used to resolve + names under the static-stub zone. + For instance, if the server receives a query for + "www.example.com" with the RD bit on, the server + initiate recursive resolution, + resolve "ns1.example.net" and/or + "ns2.example.net" to IP addresses, and then send + queries to (one or more of) these addresses. + + + + + sig-validity-interval @@ -9716,6 +11038,51 @@ zone zone_name class + auto-dnssec + + + Zones configured for dynamic DNS may also use this + option to allow varying levels of automatic DNSSEC key + management. There are four possible settings: + + + auto-dnssec allow; permits + keys to be updated and the zone fully re-signed + whenever the user issues the command rndc sign + zonename. + + + auto-dnssec maintain; includes the + above, but also automatically adjusts the zone's DNSSEC + keys on schedule, according to the keys' timing metadata + (see and + ). The command + rndc sign + zonename causes + named to load keys from the key + repository and sign the zone with all keys that are + active. + rndc loadkeys + zonename causes + named to load keys from the key + repository and schedule key maintenance events to occur + in the future, but it does not sign the full zone + immediately. + + + auto-dnssec create; includes the + above, but also allows named + to create new keys in the key repository when needed. + (NOTE: This option is not yet implemented; the syntax is + being reserved for future use.) + + + The default setting is auto-dnssec off. + + + + + multi-master @@ -9735,6 +11102,16 @@ zone zone_name class + + dnssec-secure-to-insecure + + + See the description of + dnssec-secure-to-insecure in . + + + + @@ -9753,15 +11130,14 @@ zone zone_name class - The update-policy clause is new - in BIND 9 and allows more fine-grained - control over what updates are allowed. A set of rules - is specified, where each rule either grants or denies - permissions for one or more names to be updated by - one or more identities. If the dynamic update request - message is signed (that is, it includes either a TSIG - or SIG(0) record), the identity of the signer can be - determined. + The update-policy clause + allows more fine-grained control over what updates are + allowed. A set of rules is specified, where each rule + either grants or denies permissions for one or more + names to be updated by one or more identities. If + the dynamic update request message is signed (that is, + it includes either a TSIG or SIG(0) record), the + identity of the signer can be determined. Rules are specified in the update-policy @@ -9773,24 +11149,53 @@ zone zone_name class + + There is a pre-defined update-policy + rule which can be switched on with the command + update-policy local;. + Switching on this rule in a zone causes + named to generate a TSIG session + key and place it in a file, and to allow that key + to update the zone. (By default, the file is + /var/run/named/session.key, the key + name is "local-ddns" and the key algorithm is HMAC-SHA256, + but these values are configurable with the + session-keyfile, + session-keyname and + session-keyalg options, respectively). + + + A client running on the local system, and with appropriate + permissions, may read that file and use the key to sign update + requests. The zone's update policy will be set to allow that + key to change any record within the zone. Assuming the + key name is "local-ddns", this policy is equivalent to: + + + update-policy { grant local-ddns zonesub any; }; + + + + The command nsupdate -l sends update + requests to localhost, and signs them using the session key. + - This is how a rule definition looks: + Other rule definitions look like this: -( grant | deny ) identity nametype name types +( grant | deny ) identity nametype name types Each rule grants or denies privileges. Once a message has successfully matched a rule, the operation is immediately - granted - or denied and no further rules are examined. A rule is matched - when the signer matches the identity field, the name matches the - name field in accordance with the nametype field, and the type - matches - the types specified in the type field. + granted or denied and no further rules are examined. A rule + is matched when the signer matches the identity field, the + name matches the name field in accordance with the nametype + field, and the type matches the types specified in the type + field. No signer is required for tcp-self @@ -9817,7 +11222,7 @@ zone zone_name class - The nametype field has 12 + The nametype field has 13 values: name, subdomain, wildcard, self, @@ -9825,7 +11230,8 @@ zone zone_name classkrb5-self, ms-self, krb5-subdomain, ms-subdomain, - tcp-self and 6to4-self. + tcp-self, 6to4-self, + zonesub, and external. @@ -9863,6 +11269,28 @@ zone zone_name class + zonesub + + + + This rule is similar to subdomain, except that + it matches when the name being updated is a + subdomain of the zone in which the + update-policy statement + appears. This obviates the need to type the zone + name twice, and enables the use of a standard + update-policy statement in + multiple zones without modification. + + + When this rule is used, the + name field is omitted. + + + + + + wildcard @@ -9950,7 +11378,7 @@ zone zone_name class Allow the 6to4 prefix to be update by any TCP - conection from the 6to4 network or from the + connection from the 6to4 network or from the corresponding IPv4 address. This is intended to allow NS or DNAME RRsets to be added to the reverse tree. @@ -9961,14 +11389,56 @@ zone zone_name class + + + + external + + + + This rule allows named + to defer the decision of whether to allow a + given update to an external daemon. + + + The method of communicating with the daemon is + specified in the identity + field, the format of which is + "local:path", + where path is the location + of a UNIX-domain socket. (Currently, "local" is the + only supported mechanism.) + + + Requests to the external daemon are sent over the + UNIX-domain socket as datagrams with the following + format: + + + Protocol version number (4 bytes, network byte order, currently 1) + Request length (4 bytes, network byte order) + Signer (null-terminated string) + Name (null-terminated string) + TCP source address (null-terminated string) + Rdata type (null-terminated string) + Key (null-terminated string) + TKEY token length (4 bytes, network byte order) + TKEY token (remainder of packet) + + The daemon replies with a four-byte value in + network byte order, containing either 0 or 1; 0 + indicates that the specified update is not + permitted, and 1 indicates that it is. + + + In all cases, the name - field must - specify a fully-qualified domain name. + field must specify a fully-qualified domain name. @@ -11381,7 +12851,7 @@ WWW.EXAMPLE.COM. CNAME MAIN-SERVER.EXAMPLE.COM. $ORIGIN 0.0.192.IN-ADDR.ARPA. -$GENERATE 1-2 0 NS SERVER$.EXAMPLE. +$GENERATE 1-2 @ NS SERVER$.EXAMPLE. $GENERATE 1-127 $ CNAME $.0 @@ -11396,6 +12866,32 @@ $GENERATE 1-127 $ CNAME $.0 127.0.0.192.IN-ADDR.ARPA. CNAME 127.0.0.0.192.IN-ADDR.ARPA. + + Generate a set of A and MX records. Note the MX's right hand + side is a quoted string. The quotes will be stripped when the + right hand side is processed. + + + +$ORIGIN EXAMPLE. +$GENERATE 1-127 HOST-$ A 1.2.3.$ +$GENERATE 1-127 HOST-$ MX "0 ." + + + is equivalent to + + +HOST-1.EXAMPLE. A 1.2.3.1 +HOST-1.EXAMPLE. MX 0 . +HOST-2.EXAMPLE. A 1.2.3.2 +HOST-2.EXAMPLE. MX 0 . +HOST-3.EXAMPLE. A 1.2.3.3 +HOST-3.EXAMPLE. MX 0 . +... +HOST-127.EXAMPLE. A 1.2.3.127 +HOST-127.EXAMPLE. MX 0 . + + @@ -11445,20 +12941,30 @@ $GENERATE 1-127 $ CNAME $.0 Available output forms are decimal (d), octal - (o) and hexadecimal + (o), hexadecimal (x or X - for uppercase). The default modifier is + for uppercase) and nibble + (n or N\ + for uppercase). The default modifier is ${0,0,d}. If the lhs is not absolute, the current $ORIGIN is appended to the name. - - For compatibility with earlier versions, $$ is still - recognized as indicating a literal $ in the output. - - - + + In nibble mode the value will be treated as + if it was a reversed hexadecimal string + with each hexadecimal digit as a separate + label. The width field includes the label + separator. + + + For compatibility with earlier versions, + $$ is still recognized as + indicating a literal $ in the output. + + + ttl @@ -11497,8 +13003,7 @@ $GENERATE 1-127 $ CNAME $.0 - At present the only supported types are - PTR, CNAME, DNAME, A, AAAA and NS. + Any valid type. @@ -11508,8 +13013,7 @@ $GENERATE 1-127 $ CNAME $.0 - rhs is a domain name. It is processed - similarly to lhs. + rhs, optionally, quoted string. @@ -11668,9 +13172,12 @@ $GENERATE 1-127 $ CNAME $.0 - The number of RRsets per RR type (positive - or negative) and nonexistent names stored in the - cache database. + The number of RRsets per RR type and nonexistent + names stored in the cache database. + If the exclamation mark (!) is printed for a RR + type, it means that particular type of RRset is + known to be nonexistent (this is also known as + "NXRRSET"). Maintained per view. @@ -12639,6 +14146,13 @@ $GENERATE 1-127 $ CNAME $.0 Mismatch responses received. + The DNS ID, response's source address, + and/or the response's source port does not + match what was expected. + (The port must be 53 or as defined by + the port option.) + This may be an indication of a cache + poisoning attempt. @@ -13106,14 +14620,17 @@ $GENERATE 1-127 $ CNAME $.0 -// Set up an ACL named "bogusnets" that will block RFC1918 space -// and some reserved space, which is commonly used in spoofing attacks. +// Set up an ACL named "bogusnets" that will block +// RFC1918 space and some reserved space, which is +// commonly used in spoofing attacks. acl bogusnets { - 0.0.0.0/8; 1.0.0.0/8; 2.0.0.0/8; 192.0.2.0/24; 224.0.0.0/3; - 10.0.0.0/8; 172.16.0.0/12; 192.168.0.0/16; + 0.0.0.0/8; 1.0.0.0/8; 2.0.0.0/8; 192.0.2.0/24; + 224.0.0.0/3; 10.0.0.0/8; 172.16.0.0/12; + 192.168.0.0/16; }; -// Set up an ACL called our-nets. Replace this with the real IP numbers. +// Set up an ACL called our-nets. Replace this with the +// real IP numbers. acl our-nets { x.x.x.x/24; x.x.x.x/21; }; options { ... @@ -14756,8 +16273,12 @@ zone "example.com" { + + + + Manual pages @@ -14765,15 +16286,23 @@ zone "example.com" { + + + - + + + + + + diff --git a/doc/arm/Bv9ARM.ch01.html b/doc/arm/Bv9ARM.ch01.html index 4cdfb09..ff2c5ce 100644 --- a/doc/arm/Bv9ARM.ch01.html +++ b/doc/arm/Bv9ARM.ch01.html @@ -1,5 +1,5 @@ - + @@ -45,17 +45,17 @@

    Table of Contents

    -
    Scope of Document
    -
    Organization of This Document
    -
    Conventions Used in This Document
    -
    The Domain Name System (DNS)
    +
    Scope of Document
    +
    Organization of This Document
    +
    Conventions Used in This Document
    +
    The Domain Name System (DNS)
    -
    DNS Fundamentals
    -
    Domains and Domain Names
    -
    Zones
    -
    Authoritative Name Servers
    -
    Caching Name Servers
    -
    Name Servers in Multiple Roles
    +
    DNS Fundamentals
    +
    Domains and Domain Names
    +
    Zones
    +
    Authoritative Name Servers
    +
    Caching Name Servers
    +
    Name Servers in Multiple Roles
    @@ -71,7 +71,7 @@

    -Scope of Document

    +Scope of Document

    The Berkeley Internet Name Domain (BIND) implements a @@ -82,12 +82,12 @@ system administrators.

    - This version of the manual corresponds to BIND version 9.6. + This version of the manual corresponds to BIND version 9.7.

    -Organization of This Document

    +Organization of This Document

    In this document, Chapter 1 introduces the basic DNS and BIND concepts. Chapter 2 @@ -116,7 +116,7 @@

    -Conventions Used in This Document

    +Conventions Used in This Document

    In this document, we use the following general typographic conventions: @@ -243,7 +243,7 @@

    -The Domain Name System (DNS)

    +The Domain Name System (DNS)

    The purpose of this document is to explain the installation and upkeep of the BIND (Berkeley Internet @@ -253,7 +253,7 @@

    -DNS Fundamentals

    +DNS Fundamentals

    The Domain Name System (DNS) is a hierarchical, distributed database. It stores information for mapping Internet host names to @@ -275,7 +275,7 @@

    -Domains and Domain Names

    +Domains and Domain Names

    The data stored in the DNS is identified by domain names that are organized as a tree according to organizational or administrative boundaries. Each node of the tree, @@ -321,7 +321,7 @@

    -Zones

    +Zones

    To properly operate a name server, it is important to understand the difference between a zone @@ -374,7 +374,7 @@

    -Authoritative Name Servers

    +Authoritative Name Servers

    Each zone is served by at least one authoritative name server, @@ -391,7 +391,7 @@

    -The Primary Master

    +The Primary Master

    The authoritative server where the master copy of the zone data is maintained is called the @@ -411,7 +411,7 @@

    -Slave Servers

    +Slave Servers

    The other authoritative servers, the slave servers (also known as secondary servers) @@ -427,7 +427,7 @@

    -Stealth Servers

    +Stealth Servers

    Usually all of the zone's authoritative servers are listed in NS records in the parent zone. These NS records constitute @@ -462,7 +462,7 @@

    -Caching Name Servers

    +Caching Name Servers

    The resolver libraries provided by most operating systems are stub resolvers, meaning that they are not @@ -489,7 +489,7 @@

    -Forwarding

    +Forwarding

    Even a caching name server does not necessarily perform the complete recursive lookup itself. Instead, it can @@ -516,7 +516,7 @@

    -Name Servers in Multiple Roles

    +Name Servers in Multiple Roles

    The BIND name server can simultaneously act as diff --git a/doc/arm/Bv9ARM.ch02.html b/doc/arm/Bv9ARM.ch02.html index 5181a2a..a9fde32 100644 --- a/doc/arm/Bv9ARM.ch02.html +++ b/doc/arm/Bv9ARM.ch02.html @@ -1,5 +1,5 @@ - + @@ -45,16 +45,16 @@

    Table of Contents

    -
    Hardware requirements
    -
    CPU Requirements
    -
    Memory Requirements
    -
    Name Server Intensive Environment Issues
    -
    Supported Operating Systems
    +
    Hardware requirements
    +
    CPU Requirements
    +
    Memory Requirements
    +
    Name Server Intensive Environment Issues
    +
    Supported Operating Systems

    -Hardware requirements

    +Hardware requirements

    DNS hardware requirements have traditionally been quite modest. @@ -73,7 +73,7 @@

    -CPU Requirements

    +CPU Requirements

    CPU requirements for BIND 9 range from i486-class machines @@ -84,7 +84,7 @@

    -Memory Requirements

    +Memory Requirements

    The memory of the server has to be large enough to fit the cache and zones loaded off disk. The max-cache-size @@ -107,7 +107,7 @@

    -Name Server Intensive Environment Issues

    +Name Server Intensive Environment Issues

    For name server intensive environments, there are two alternative configurations that may be used. The first is where clients and @@ -124,13 +124,13 @@

    -Supported Operating Systems

    +Supported Operating Systems

    ISC BIND 9 compiles and runs on a large number - of Unix-like operating systems and on NT-derived versions of - Microsoft Windows such as Windows 2000 and Windows XP. For an - up-to-date + of Unix-like operating systems and on + Microsoft Windows Server 2003 and 2008, and Windows XP and Vista. + For an up-to-date list of supported systems, see the README file in the top level directory of the BIND 9 source distribution. diff --git a/doc/arm/Bv9ARM.ch03.html b/doc/arm/Bv9ARM.ch03.html index 454fdd6..e01d69e 100644 --- a/doc/arm/Bv9ARM.ch03.html +++ b/doc/arm/Bv9ARM.ch03.html @@ -1,5 +1,5 @@ - + @@ -47,14 +47,14 @@

    Sample Configurations
    -
    A Caching-only Name Server
    -
    An Authoritative-only Name Server
    +
    A Caching-only Name Server
    +
    An Authoritative-only Name Server
    -
    Load Balancing
    -
    Name Server Operations
    +
    Load Balancing
    +
    Name Server Operations
    -
    Tools for Use With the Name Server Daemon
    -
    Signals
    +
    Tools for Use With the Name Server Daemon
    +
    Signals
    @@ -68,7 +68,7 @@ Sample Configurations

    -A Caching-only Name Server

    +A Caching-only Name Server

    The following sample configuration is appropriate for a caching-only name server for use by clients internal to a corporation. All @@ -82,10 +82,13 @@ // Two corporate subnets we wish to allow queries from. acl corpnets { 192.168.4.0/24; 192.168.7.0/24; }; options { - directory "/etc/namedb"; // Working directory + // Working directory + directory "/etc/namedb"; + allow-query { corpnets; }; }; -// Provide a reverse mapping for the loopback address 127.0.0.1 +// Provide a reverse mapping for the loopback +// address 127.0.0.1 zone "0.0.127.in-addr.arpa" { type master; file "localhost.rev"; @@ -95,7 +98,7 @@ zone "0.0.127.in-addr.arpa" {

    -An Authoritative-only Name Server

    +An Authoritative-only Name Server

    This sample configuration is for an authoritative-only server that is the master server for "example.com" @@ -103,13 +106,18 @@ zone "0.0.127.in-addr.arpa" { 

     options {
-     directory "/etc/namedb";           // Working directory
-     allow-query-cache { none; };       // Do not allow access to cache
-     allow-query { any; };              // This is the default
-     recursion no;                      // Do not provide recursive service
+     // Working directory
+     directory "/etc/namedb";
+     // Do not allow access to cache
+     allow-query-cache { none; };
+     // This is the default
+     allow-query { any; };
+     // Do not provide recursive service
+     recursion no;
 };
 
-// Provide a reverse mapping for the loopback address 127.0.0.1
+// Provide a reverse mapping for the loopback
+// address 127.0.0.1
 zone "0.0.127.in-addr.arpa" {
      type master;
      file "localhost.rev";
@@ -119,7 +127,8 @@ zone "0.0.127.in-addr.arpa" {
 zone "example.com" {
      type master;
      file "example.com.db";
-     // IP addresses of slave servers allowed to transfer example.com
+     // IP addresses of slave servers allowed to
+     // transfer example.com
      allow-transfer {
           192.168.4.14;
           192.168.5.53;
@@ -137,7 +146,7 @@ zone "eng.example.com" {
 
 
    
 
    
-Load Balancing
    
+Load Balancing
    
 
    
         A primitive form of load balancing can be achieved in
         the DNS by using multiple records
@@ -273,17 +282,17 @@ zone "eng.example.com" {
       
    
 
    
         For more detail on ordering responses, check the
-        rrset-order substatement in the
+        rrset-order sub-statement in the
         options statement, see
         RRset Ordering.
       
    
 
 
    
 
    
-Name Server Operations
    
+Name Server Operations
    
 
    
 
    
-Tools for Use With the Name Server Daemon
    
+Tools for Use With the Name Server Daemon
    
 
    
           This section describes several indispensable diagnostic,
           administrative and monitoring tools available to the system
@@ -463,6 +472,60 @@ zone "eng.example.com" {
 
    
                         Retransfer the given zone from the master.
                       
    
+
    sign zone
+                        [class
+           [view]]
    
+
    
+
    
+                        Fetch all DNSSEC keys for the given zone
+                        from the key directory (see
+                        key-directory in
+                        the section called “options Statement Definition and
+          Usage”).  If they are within
+                        their publication period, merge them into the
+                        zone's DNSKEY RRset.  If the DNSKEY RRset
+                        is changed, then the zone is automatically
+                        re-signed with the new key set.
+                      
    
+
    
+                        This command requires that the
+                        auto-dnssec zone option to be set
+                        to allow,
+                        maintain, or
+                        create,  and also requires
+                        the zone to be configured to allow dynamic DNS.
+                        See the section called “Dynamic Update Policies” for
+                        more details.
+                      
    
+
    
+
    loadkeys zone
+                        [class
+           [view]]
    
+
    
+
    
+                        Fetch all DNSSEC keys for the given zone
+                        from the key directory (see
+                        key-directory in
+                        the section called “options Statement Definition and
+          Usage”).  If they are within
+                        their publication period, merge them into the
+                        zone's DNSKEY RRset.  Unlike rndc
+                        sign, however, the zone is not
+                        immediately re-signed by the new keys, but is
+                        allowed to incrementally re-sign over time.
+                      
    
+
    
+                        This command requires that the
+                        auto-dnssec zone option to
+                        be set to maintain or
+                        create, and also requires
+                        the zone to be configured to allow dynamic DNS.
+                        See the section called “Dynamic Update Policies” for
+                        more details.
+                      
    
+
    
 
    freeze
                         [zone
        [class
@@ -536,6 +599,14 @@ zone "eng.example.com" {
                         specified, all
                         views are dumped.
                       
    
+
    secroots
+                        [view ...]
    
+
    
+                        Dump the server's security roots to the secroots
+                        file for the specified views.  If no view is
+                        specified, security roots for all
+                        views are dumped.
+                      
    
 
    stop [-p]
    
 
    
                         Stop the server, making sure any recent changes
@@ -599,6 +670,57 @@ zone "eng.example.com" {
                         set to yes to be effective.
                         It defaults to enabled.
                       
    
+
    addzone
+                        zone
+                        [class
+                        [view]]
+                        configuration
+                    
    
+
    
+
    
+                        Add a zone while the server is running.  This
+                        command requires the
+                        allow-new-zones option to be set
+                        to yes.  The
+                        configuration string
+                        specified on the command line is the zone
+                        configuration text that would ordinarily be
+                        placed in named.conf.
+                      
    
+
    
+                        The configuration is saved in a file called
+                       hash.nzf,
+                        where hash is a
+                        cryptographic hash generated from the name of
+                        the view.  When named is
+                        restarted, the file will be loaded into the view
+                        configuration, so that zones that were added
+                        can persist after a restart.
+                      
    
+
    
+                        This sample addzone command
+                        would add the zone example.com
+                        to the default view:
+                      
    
+
    
+$ rndc addzone example.com '{ type master; file "example.com.db"; };'
+                      
    
+
    
+                        (Note the brackets and semi-colon around the zone
+                        configuration text.)
+                      
    
+
    
+
    delzone
+                        zone
+                        [class
+                        [view]]
+                    
    
+
    
+                        Delete a zone while the server is running.
+                        Only zones that were originally added via
+                        rndc addzone can be deleted
+                        in this matter.
+                      
    
 
 
    
                   A configuration file is required, since all
@@ -699,7 +821,8 @@ zone "eng.example.com" {
 
     key rndc_key {
      algorithm "hmac-md5";
-     secret "c3Ryb25nIGVub3VnaCBmb3IgYSBtYW4gYnV0IG1hZGUgZm9yIGEgd29tYW4K";
+     secret
+       "c3Ryb25nIGVub3VnaCBmb3IgYSBtYW4gYnV0IG1hZGUgZm9yIGEgd29tYW4K";
 };
 options {
      default-server 127.0.0.1;
@@ -721,7 +844,8 @@ options {
                 
    
 
     controls {
-        inet 127.0.0.1 allow { localhost; } keys { rndc_key; };
+        inet 127.0.0.1
+            allow { localhost; } keys { rndc_key; };
 };
 
    
 
    
@@ -749,7 +873,7 @@ controls {
 
 
    
 
    
-Signals
    
+Signals
    
 
    
           Certain UNIX signals cause the name server to take specific
           actions, as described in the following table.  These signals can
diff --git a/doc/arm/Bv9ARM.ch04.html b/doc/arm/Bv9ARM.ch04.html
index 7b8a200..77b74cb 100644
--- a/doc/arm/Bv9ARM.ch04.html
+++ b/doc/arm/Bv9ARM.ch04.html
@@ -1,5 +1,5 @@
 
-
+
 
 
 
@@ -49,29 +49,59 @@
 
    Dynamic Update
    
 
    The journal file
    
 
    Incremental Zone Transfers (IXFR)
    
-
    Split DNS
    
-
    Example split DNS setup
    
+
    Split DNS
    
+
    Example split DNS setup
    
 
    TSIG
    
 
    
-
    Generate Shared Keys for Each Pair of Hosts
    
-
    Copying the Shared Secret to Both Machines
    
-
    Informing the Servers of the Key's Existence
    
-
    Instructing the Server to Use the Key
    
-
    TSIG Key Based Access Control
    
-
    Errors
    
+
    Generate Shared Keys for Each Pair of Hosts
    
+
    Copying the Shared Secret to Both Machines
    
+
    Informing the Servers of the Key's Existence
    
+
    Instructing the Server to Use the Key
    
+
    TSIG Key Based Access Control
    
+
    Errors
    
 
    
-
    TKEY
    
-
    SIG(0)
    
+
    TKEY
    
+
    SIG(0)
    
 
    DNSSEC
    
 
    
-
    Generating Keys
    
-
    Signing the Zone
    
-
    Configuring Servers
    
+
    Generating Keys
    
+
    Signing the Zone
    
+
    Configuring Servers
    
 
    
-
    IPv6 Support in BIND 9
    
+
    DNSSEC, Dynamic Zones, and Automatic Signing
    
 
    
-
    Address Lookups Using AAAA Records
    
-
    Address to Name Lookups Using Nibble Format
    
+
    Converting from insecure to secure
    
+
    Dynamic DNS update method
    
+
    Fully automatic zone signing
    
+
    Private-type records
    
+
    DNSKEY rollovers
    
+
    Dynamic DNS update method
    
+
    Automatic key rollovers
    
+
    NSEC3PARAM rollovers via UPDATE
    
+
    Converting from NSEC to NSEC3
    
+
    Converting from NSEC3 to NSEC
    
+
    Converting from secure to insecure
    
+
    Periodic re-signing
    
+
    NSEC3 and OPTOUT
    
+
    
+
    Dynamic Trust Anchor Management
    
+
    
+
    Validating Resolver
    
+
    Authoritative Server
    
+
    
+
    PKCS #11 (Cryptoki) support
    
+
    
+
    Prerequisites
    
+
    Building BIND 9 with PKCS#11
    
+
    PKCS #11 Tools
    
+
    Using the HSM
    
+
    Specifying the engine on the command line
    
+
    Running named with automatic zone re-signing
    
+
    
+
    IPv6 Support in BIND 9
    
+
    
+
    Address Lookups Using AAAA Records
    
+
    Address to Name Lookups Using Nibble Format
    
 
    
 
 
@@ -113,14 +143,25 @@
       
    
 
    
         Dynamic update is enabled by including an
-        allow-update or update-policy
-        clause in the zone statement.  The
-        tkey-gssapi-credential and
-        tkey-domain clauses in the
-        options        statement enable the
-        server to negotiate keys that can be matched against those
-        in update-policy or
-        allow-update.
+        allow-update or an update-policy
+        clause in the zone statement.
+      
    
+
    
+        If the zone's update-policy is set to
+        local, updates to the zone
+        will be permitted for the key local-ddns,
+        which will be generated by named at startup.
+        See the section called “Dynamic Update Policies” for more details.
+      
    
+
    
+        Dynamic updates using Kerberos signed requests can be made
+        using the TKEY/GSS protocol by setting either the
+        tkey-gssapi-keytab option, or alternatively
+        by setting both the tkey-gssapi-credential
+        and tkey-domain options. Once enabled,
+        Kerberos signed requests will be matched against the update
+        policies for the zone, using the Kerberos principal as the
+        signer for the request.
       
    
 
    
         Updating of secure zones (zones using DNSSEC) follows RFC
@@ -215,7 +256,7 @@
 
 
    
 
    
-Split DNS
    
+Split DNS
    
 
    
         Setting up different views, or visibility, of the DNS space to
         internal and external resolvers is usually referred to as a
@@ -245,7 +286,7 @@
       
    
 
    
 
    
-Example split DNS setup
    
+Example split DNS setup
    
 
    
         Let's say a company named Example, Inc.
         (example.com)
@@ -275,7 +316,7 @@
         and site2.example.com, to the servers
         in the
         DMZ. These internal servers will have complete sets of information
-        for site1.example.com, site2.example.com, site1.internal,
+        for site1.example.com, site2.example.com, site1.internal,
         and site2.internal.
       
    
 
    
@@ -373,26 +414,32 @@ options {
     ...
     ...
     forward only;
-    forwarders {                                // forward to external servers
+    // forward to external servers
+    forwarders {
         bastion-ips-go-here;
     };
-    allow-transfer { none; };                   // sample allow-transfer (no one)
-    allow-query { internals; externals; };      // restrict query access
-    allow-recursion { internals; };             // restrict recursion
+    // sample allow-transfer (no one)
+    allow-transfer { none; };
+    // restrict query access
+    allow-query { internals; externals; };
+    // restrict recursion
+    allow-recursion { internals; };
     ...
     ...
 };
 
-zone "site1.example.com" {                      // sample master zone
+// sample master zone
+zone "site1.example.com" {
   type master;
   file "m/site1.example.com";
-  forwarders { };                               // do normal iterative
-                                                // resolution (do not forward)
+  // do normal iterative resolution (do not forward)
+  forwarders { };
   allow-query { internals; externals; };
   allow-transfer { internals; };
 };
 
-zone "site2.example.com" {                      // sample slave zone
+// sample slave zone
+zone "site2.example.com" {
   type slave;
   file "s/site2.example.com";
   masters { 172.16.72.3; };
@@ -429,15 +476,20 @@ acl externals { bastion-ips-go-here; };
 options {
   ...
   ...
-  allow-transfer { none; };                     // sample allow-transfer (no one)
-  allow-query { any; };                         // default query access
-  allow-query-cache { internals; externals; };  // restrict cache access
-  allow-recursion { internals; externals; };    // restrict recursion
+  // sample allow-transfer (no one)
+  allow-transfer { none; };
+  // default query access
+  allow-query { any; };
+  // restrict cache access
+  allow-query-cache { internals; externals; };
+  // restrict recursion
+  allow-recursion { internals; externals; };
   ...
   ...
 };
 
-zone "site1.example.com" {                      // sample slave zone
+// sample slave zone
+zone "site1.example.com" {
   type master;
   file "m/site1.foo.com";
   allow-transfer { internals; externals; };
@@ -491,7 +543,7 @@ nameserver 172.16.72.4
       
    
 
    
 
    
-Generate Shared Keys for Each Pair of Hosts
    
+Generate Shared Keys for Each Pair of Hosts
    
 
    
           A shared secret is generated to be shared between host1 and host2.
           An arbitrary key name is chosen: "host1-host2.". The key name must
@@ -499,7 +551,7 @@ nameserver 172.16.72.4
         
    
 
    
 
    
-Automatic Generation
    
+Automatic Generation
    
 
    
             The following command will generate a 128-bit (16 byte) HMAC-SHA256
             key as described above. Longer keys are better, but shorter keys
@@ -523,7 +575,7 @@ nameserver 172.16.72.4
 
 
    
 
    
-Manual Generation
    
+Manual Generation
    
 
    
             The shared secret is simply a random sequence of bits, encoded
             in base-64. Most ASCII strings are valid base-64 strings (assuming
@@ -538,7 +590,7 @@ nameserver 172.16.72.4
 
 
    
 
    
-Copying the Shared Secret to Both Machines
    
+Copying the Shared Secret to Both Machines
    
 
    
           This is beyond the scope of DNS. A secure transport mechanism
           should be used. This could be secure FTP, ssh, telephone, etc.
@@ -546,7 +598,7 @@ nameserver 172.16.72.4
 
 
    
 
    
-Informing the Servers of the Key's Existence
    
+Informing the Servers of the Key's Existence
    
 
    
           Imagine host1 and host 2
           are
@@ -573,7 +625,7 @@ key host1-host2. {
 
 
    
 
    
-Instructing the Server to Use the Key
    
+Instructing the Server to Use the Key
    
 
    
           Since keys are shared between two hosts only, the server must
           be told when keys are to be used. The following is added to the named.conf file
@@ -605,7 +657,7 @@ server 10.1.2.3 {
 
 
    
 
    
-TSIG Key Based Access Control
    
+TSIG Key Based Access Control
    
 
    
           BIND allows IP addresses and ranges
           to be specified in ACL
@@ -626,14 +678,13 @@ allow-update { key host1-host2. ;};
           was signed by a key named "host1-host2.".
         
    
 
    
-          You may want to read about the more powerful
-          update-policy statement in
-          the section called “Dynamic Update Policies”.
+          See the section called “Dynamic Update Policies” for a discussion of
+          the more flexible update-policy statement.
         
    
 
 
    
 
    
-Errors
    
+Errors
    
 
    
           The processing of TSIG signed messages can result in
           several errors. If a signed message is sent to a non-TSIG aware
@@ -659,7 +710,7 @@ allow-update { key host1-host2. ;};
 
 
    
 
    
-TKEY
    
+TKEY
    
 
    TKEY
         is a mechanism for automatically generating a shared secret
         between two hosts.  There are several "modes" of
@@ -695,7 +746,7 @@ allow-update { key host1-host2. ;};
 
 
    
 
    
-SIG(0)
    
+SIG(0)
    
 
    
         BIND 9 partially supports DNSSEC SIG(0)
             transaction signatures as specified in RFC 2535 and RFC 2931.
@@ -756,7 +807,7 @@ allow-update { key host1-host2. ;};
       
    
 
    
 
    
-Generating Keys
    
+Generating Keys
    
 
    
           The dnssec-keygen program is used to
           generate keys.
@@ -812,7 +863,7 @@ allow-update { key host1-host2. ;};
 
 
    
 
    
-Signing the Zone
    
+Signing the Zone
    
 
    
           The dnssec-signzone program is used
           to sign a zone.
@@ -854,7 +905,7 @@ allow-update { key host1-host2. ;};
 
 
    
 
    
-Configuring Servers
    
+Configuring Servers
    
 
    
           To enable named to respond appropriately
           to DNS requests from DNSSEC aware clients,
@@ -863,12 +914,22 @@ allow-update { key host1-host2. ;};
         
    
 
    
           To enable named to validate answers from
-          other servers, the dnssec-enable and
-          dnssec-validation options must both be
-          set to yes (the default setting in BIND 9.5
-          and later), and at least one trust anchor must be configured
-          with a trusted-keys statement in
-          named.conf.
+          other servers, the dnssec-enable option
+          must be set to yes, and the
+          dnssec-validation options must be set to 
+          yes or auto.
+        
    
+
    
+          If dnssec-validation is set to
+          auto, then a default
+          trust anchor for the DNS root zone will be used.
+          If it is set to yes, however,
+          then at least one trust anchor must be configured
+          with a trusted-keys or
+          managed-keys statement in
+          named.conf, or DNSSEC validation
+          will not occur.  The default setting is
+          yes.
         
    
 
    
           trusted-keys are copies of DNSKEY RRs
@@ -879,7 +940,13 @@ allow-update { key host1-host2. ;};
           to validated the DNSKEY RRset that they are from.
         
    
 
    
-          trusted-keys are described in more detail
+          managed-keys are trusted keys which are
+          automatically kept up to date via RFC 5011 trust anchor
+          maintenance.
+        
    
+
    
+          trusted-keys and
+          managed-keys are described in more detail
           later in this document.
         
    
 
    
@@ -890,44 +957,58 @@ allow-update { key host1-host2. ;};
         
    
 
    
           After DNSSEC gets established, a typical DNSSEC configuration
-          will look something like the following.  It has a one or
+          will look something like the following.  It has one or
           more public keys for the root.  This allows answers from
           outside the organization to be validated.  It will also
           have several keys for parts of the namespace the organization
-          controls.  These are here to ensure that named is immune
-          to compromises in the DNSSEC components of the security
+          controls.  These are here to ensure that named
+          is immune to compromises in the DNSSEC components of the security
           of parent zones.
         
    
 
    -trusted-keys {
-
+managed-keys {
         /* Root Key */
-"." 257 3 3 "BNY4wrWM1nCfJ+CXd0rVXyYmobt7sEEfK3clRbGaTwSJxrGkxJWoZu6I7PzJu/
-             E9gx4UC1zGAHlXKdE4zYIpRhaBKnvcC2U9mZhkdUpd1Vso/HAdjNe8LmMlnzY3
-             zy2Xy4klWOADTPzSv9eamj8V18PHGjBLaVtYvk/ln5ZApjYghf+6fElrmLkdaz
-             MQ2OCnACR817DF4BBa7UR/beDHyp5iWTXWSi6XmoJLbG9Scqc7l70KDqlvXR3M
-             /lUUVRbkeg1IPJSidmK3ZyCllh4XSKbje/45SKucHgnwU5jefMtq66gKodQj+M
-             iA21AfUVe7u99WzTLzY3qlxDhxYQQ20FQ97S+LKUTpQcq27R7AT3/V5hRQxScI
-             Nqwcz4jYqZD2fQdgxbcDTClU0CRBdiieyLMNzXG3";
+        "." initial-key 257 3 3 "BNY4wrWM1nCfJ+CXd0rVXyYmobt7sEEfK3clRbGaTwS
+                                 JxrGkxJWoZu6I7PzJu/E9gx4UC1zGAHlXKdE4zYIpRh
+                                 aBKnvcC2U9mZhkdUpd1Vso/HAdjNe8LmMlnzY3zy2Xy
+                                 4klWOADTPzSv9eamj8V18PHGjBLaVtYvk/ln5ZApjYg
+                                 hf+6fElrmLkdaz MQ2OCnACR817DF4BBa7UR/beDHyp
+                                 5iWTXWSi6XmoJLbG9Scqc7l70KDqlvXR3M/lUUVRbke
+                                 g1IPJSidmK3ZyCllh4XSKbje/45SKucHgnwU5jefMtq
+                                 66gKodQj+MiA21AfUVe7u99WzTLzY3qlxDhxYQQ20FQ
+                                 97S+LKUTpQcq27R7AT3/V5hRQxScINqwcz4jYqZD2fQ
+                                 dgxbcDTClU0CRBdiieyLMNzXG3";
+};
 
-/* Key for our organization's forward zone */
-example.com. 257 3 5 "AwEAAaxPMcR2x0HbQV4WeZB6oEDX+r0QM65KbhTjrW1ZaARmPhEZZe
-                      3Y9ifgEuq7vZ/zGZUdEGNWy+JZzus0lUptwgjGwhUS1558Hb4JKUbb
-                      OTcM8pwXlj0EiX3oDFVmjHO444gLkBO UKUf/mC7HvfwYH/Be22GnC
-                      lrinKJp1Og4ywzO9WglMk7jbfW33gUKvirTHr25GL7STQUzBb5Usxt
-                      8lgnyTUHs1t3JwCY5hKZ6CqFxmAVZP20igTixin/1LcrgX/KMEGd/b
-                      iuvF4qJCyduieHukuY3H4XMAcR+xia2 nIUPvm/oyWR8BW/hWdzOvn
-                      SCThlHf3xiYleDbt/o1OTQ09A0=";
+trusted-keys {
+        /* Key for our organization's forward zone */
+        example.com. 257 3 5 "AwEAAaxPMcR2x0HbQV4WeZB6oEDX+r0QM6
+                              5KbhTjrW1ZaARmPhEZZe3Y9ifgEuq7vZ/z
+                              GZUdEGNWy+JZzus0lUptwgjGwhUS1558Hb
+                              4JKUbbOTcM8pwXlj0EiX3oDFVmjHO444gL
+                              kBOUKUf/mC7HvfwYH/Be22GnClrinKJp1O
+                              g4ywzO9WglMk7jbfW33gUKvirTHr25GL7S
+                              TQUzBb5Usxt8lgnyTUHs1t3JwCY5hKZ6Cq
+                              FxmAVZP20igTixin/1LcrgX/KMEGd/biuv
+                              F4qJCyduieHukuY3H4XMAcR+xia2nIUPvm
+                              /oyWR8BW/hWdzOvnSCThlHf3xiYleDbt/o
+                              1OTQ09A0=";
 
-/* Key for our reverse zone. */
-2.0.192.IN-ADDRPA.NET. 257 3 5 "AQOnS4xn/IgOUpBPJ3bogzwcxOdNax071L18QqZnQQQA
-                                VVr+iLhGTnNGp3HoWQLUIzKrJVZ3zggy3WwNT6kZo6c0
-                                tszYqbtvchmgQC8CzKojM/W16i6MG/ea fGU3siaOdS0
-                                yOI6BgPsw+YZdzlYMaIJGf4M4dyoKIhzdZyQ2bYQrjyQ
-                                4LB0lC7aOnsMyYKHHYeRv PxjIQXmdqgOJGq+vsevG06
-                                zW+1xgYJh9rCIfnm1GX/KMgxLPG2vXTD/RnLX+D3T3UL
-                                7HJYHJhAZD5L59VvjSPsZJHeDCUyWYrvPZesZDIRvhDD
-                                52SKvbheeTJUm6EhkzytNN2SN96QRk8j/iI8ib";
+        /* Key for our reverse zone. */
+        2.0.192.IN-ADDRPA.NET. 257 3 5 "AQOnS4xn/IgOUpBPJ3bogzwc
+                                       xOdNax071L18QqZnQQQAVVr+i
+                                       LhGTnNGp3HoWQLUIzKrJVZ3zg
+                                       gy3WwNT6kZo6c0tszYqbtvchm
+                                       gQC8CzKojM/W16i6MG/eafGU3
+                                       siaOdS0yOI6BgPsw+YZdzlYMa
+                                       IJGf4M4dyoKIhzdZyQ2bYQrjy
+                                       Q4LB0lC7aOnsMyYKHHYeRvPxj
+                                       IQXmdqgOJGq+vsevG06zW+1xg
+                                       YJh9rCIfnm1GX/KMgxLPG2vXT
+                                       D/RnLX+D3T3UL7HJYHJhAZD5L
+                                       59VvjSPsZJHeDCUyWYrvPZesZ
+                                       DIRvhDD52SKvbheeTJUm6Ehkz
+                                       ytNN2SN96QRk8j/iI8ib";
 };
 
 options {
@@ -979,7 +1060,698 @@ options {
 
 
    
 
    
-IPv6 Support in BIND 9
    
+DNSSEC, Dynamic Zones, and Automatic Signing
    
+
    As of BIND 9.7.0 it is possible to change a dynamic zone
+  from insecure to signed and back again. A secure zone can use
+  either NSEC or NSEC3 chains.
    
+
    
+Converting from insecure to secure
    
+
    Changing a zone from insecure to secure can be done in two
+  ways: using a dynamic DNS update, or the 
+  auto-dnssec zone option.
    
+
    For either method, you need to configure 
+  named so that it can see the 
+  K* files which contain the public and private
+  parts of the keys that will be used to sign the zone. These files
+  will have been generated by 
+  dnssec-keygen. You can do this by placing them
+  in the key-directory, as specified in 
+  named.conf:
    
+
    +        zone example.net {
+                type master;
+                update-policy local;
+                file "dynamic/example.net/example.net";
+                key-directory "dynamic/example.net";
+        };
+
    
+
    If one KSK and one ZSK DNSKEY key have been generated, this
+  configuration will cause all records in the zone to be signed
+  with the ZSK, and the DNSKEY RRset to be signed with the KSK as
+  well. An NSEC chain will be generated as part of the initial
+  signing process.
    
+
    
+Dynamic DNS update method
    
+
    To insert the keys via dynamic update:
    
+
    +        % nsupdate
+        > ttl 3600
+        > update add example.net DNSKEY 256 3 7 AwEAAZn17pUF0KpbPA2c7Gz76Vb18v0teKT3EyAGfBfL8eQ8al35zz3Y I1m/SAQBxIqMfLtIwqWPdgthsu36azGQAX8=
+        > update add example.net DNSKEY 257 3 7 AwEAAd/7odU/64o2LGsifbLtQmtO8dFDtTAZXSX2+X3e/UNlq9IHq3Y0 XtC0Iuawl/qkaKVxXe2lo8Ct+dM6UehyCqk=
+        > send
+
    
+
    While the update request will complete almost immediately,
+  the zone will not be completely signed until 
+  named has had time to walk the zone and
+  generate the NSEC and RRSIG records. The NSEC record at the apex
+  will be added last, to signal that there is a complete NSEC
+  chain.
    
+
    If you wish to sign using NSEC3 instead of NSEC, you should
+  add an NSEC3PARAM record to the initial update request. If you
+  wish the NSEC3 chain to have the OPTOUT bit set, set it in the
+  flags field of the NSEC3PARAM record.
    
+
    +        % nsupdate
+        > ttl 3600
+        > update add example.net DNSKEY 256 3 7 AwEAAZn17pUF0KpbPA2c7Gz76Vb18v0teKT3EyAGfBfL8eQ8al35zz3Y I1m/SAQBxIqMfLtIwqWPdgthsu36azGQAX8=
+        > update add example.net DNSKEY 257 3 7 AwEAAd/7odU/64o2LGsifbLtQmtO8dFDtTAZXSX2+X3e/UNlq9IHq3Y0 XtC0Iuawl/qkaKVxXe2lo8Ct+dM6UehyCqk=
+        > update add example.net NSEC3PARAM 1 1 100 1234567890
+        > send
+
    
+
    Again, this update request will complete almost
+  immediately; however, the record won't show up until 
+  named has had a chance to build/remove the
+  relevant chain. A private type record will be created to record
+  the state of the operation (see below for more details), and will
+  be removed once the operation completes.
    
+
    While the initial signing and NSEC/NSEC3 chain generation
+  is happening, other updates are possible as well.
    
+
    
+Fully automatic zone signing
    
+
    To enable automatic signing, add the 
+  auto-dnssec option to the zone statement in 
+  named.conf. 
+  auto-dnssec has two possible arguments: 
+  allow or 
+  maintain.
    
+
    With 
+  auto-dnssec allow, 
+  named can search the key directory for keys
+  matching the zone, insert them into the zone, and use them to
+  sign the zone. It will do so only when it receives an 
+  rndc sign <zonename> or 
+  rndc loadkeys <zonename> command.
    
+
    
+  
+  auto-dnssec maintain includes the above
+  functionality, but will also automatically adjust the zone's
+  DNSKEY records on schedule according to the keys' timing metadata.
+  (See dnssec-keygen(8) and
+  dnssec-settime(8) for more information.) 
+  If keys are present in the key directory the first time the zone
+  is loaded, it will be signed immediately, without waiting for an 
+  rndc sign or rndc loadkeys
+  command. (Those commands can still be used when there are unscheduled
+  key changes, however.)
+  
    
+
    Using the 
+  auto-dnssec option requires the zone to be
+  configured to allow dynamic updates, by adding an 
+  allow-update or 
+  update-policy statement to the zone
+  configuration. If this has not been done, the configuration will
+  fail.
    
+
    
+Private-type records
    
+
    The state of the signing process is signaled by
+  private-type records (with a default type value of 65534). When
+  signing is complete, these records will have a nonzero value for
+  the final octet (for those records which have a nonzero initial
+  octet).
    
+
    The private type record format: If the first octet is
+  non-zero then the record indicates that the zone needs to be
+  signed with the key matching the record, or that all signatures
+  that match the record should be removed.
    
+
    
+    
    
+

    
+
    
+  algorithm (octet 1)
    
+  key id in network order (octet 2 and 3)
    
+  removal flag (octet 4)
    
+  complete flag (octet 5)
    
+
    
+
    
+  
    
+
    Only records flagged as "complete" can be removed via
+  dynamic update. Attempts to remove other private type records
+  will be silently ignored.
    
+
    If the first octet is zero (this is a reserved algorithm
+  number that should never appear in a DNSKEY record) then the
+  record indicates changes to the NSEC3 chains are in progress. The
+  rest of the record contains an NSEC3PARAM record. The flag field
+  tells what operation to perform based on the flag bits.
    
+
    
+    
    
+

    
+
    
+  0x01 OPTOUT
    
+  0x80 CREATE
    
+  0x40 REMOVE
    
+  0x20 NONSEC
    
+
    
+
    
+  
    
+
    
+DNSKEY rollovers
    
+
    As with insecure-to-secure conversions, rolling DNSSEC
+  keys can be done in two ways: using a dynamic DNS update, or the 
+  auto-dnssec zone option.
    
+
    
+Dynamic DNS update method
    
+
     To perform key rollovers via dynamic update, you need to add
+  the K* files for the new keys so that 
+  named can find them. You can then add the new
+  DNSKEY RRs via dynamic update. 
+  named will then cause the zone to be signed
+  with the new keys. When the signing is complete the private type
+  records will be updated so that the last octet is non
+  zero.
    
+
    If this is for a KSK you need to inform the parent and any
+  trust anchor repositories of the new KSK.
    
+
    You should then wait for the maximum TTL in the zone before
+  removing the old DNSKEY. If it is a KSK that is being updated,
+  you also need to wait for the DS RRset in the parent to be
+  updated and its TTL to expire. This ensures that all clients will
+  be able to verify at least one signature when you remove the old
+  DNSKEY.
    
+
    The old DNSKEY can be removed via UPDATE. Take care to
+  specify the correct key. 
+  named will clean out any signatures generated
+  by the old key after the update completes.
    
+
    
+Automatic key rollovers
    
+
    When a new key reaches its activation date (as set by
+  dnssec-keygen or dnssec-settime),
+  if the auto-dnssec zone option is set to 
+  maintain, named will
+  automatically carry out the key rollover.  If the key's algorithm
+  has not previously been used to sign the zone, then the zone will
+  be fully signed as quickly as possible.  However, if the new key
+  is replacing an existing key of the same algorithm, then the
+  zone will be re-signed incrementally, with signatures from the
+  old key being replaced with signatures from the new key as their
+  signature validity periods expire.  By default, this rollover
+  completes in 30 days, after which it will be safe to remove the
+  old key from the DNSKEY RRset.
    
+
    
+NSEC3PARAM rollovers via UPDATE
    
+
    Add the new NSEC3PARAM record via dynamic update. When the
+  new NSEC3 chain has been generated, the NSEC3PARAM flag field
+  will be zero. At this point you can remove the old NSEC3PARAM
+  record. The old chain will be removed after the update request
+  completes.
    
+
    
+Converting from NSEC to NSEC3
    
+
    To do this, you just need to add an NSEC3PARAM record. When
+  the conversion is complete, the NSEC chain will have been removed
+  and the NSEC3PARAM record will have a zero flag field. The NSEC3
+  chain will be generated before the NSEC chain is
+  destroyed.
    
+
    
+Converting from NSEC3 to NSEC
    
+
    To do this, use nsupdate to
+  remove all NSEC3PARAM records with a zero flag
+  field. The NSEC chain will be generated before the NSEC3 chain is
+  removed.
    
+
    
+Converting from secure to insecure
    
+
    To convert a signed zone to unsigned using dynamic DNS,
+  delete all the DNSKEY records from the zone apex using
+  nsupdate. All signatures, NSEC or NSEC3 chains,
+  and associated NSEC3PARAM records will be removed automatically.
+  This will take place after the update request completes.
    
+
     This requires the 
+  dnssec-secure-to-insecure option to be set to 
+  yes in 
+  named.conf.
    
+
    In addition, if the auto-dnssec maintain
+  zone statement is used, it should be removed or changed to
+  allow instead (or it will re-sign).
+  
    
+
    
+Periodic re-signing
    
+
    In any secure zone which supports dynamic updates, named
+  will periodically re-sign RRsets which have not been re-signed as
+  a result of some update action. The signature lifetimes will be
+  adjusted so as to spread the re-sign load over time rather than
+  all at once.
    
+
    
+NSEC3 and OPTOUT
    
+
    
+  named only supports creating new NSEC3 chains
+  where all the NSEC3 records in the zone have the same OPTOUT
+  state. 
+  named supports UPDATES to zones where the NSEC3
+  records in the chain have mixed OPTOUT state. 
+  named does not support changing the OPTOUT
+  state of an individual NSEC3 record, the entire chain needs to be
+  changed if the OPTOUT state of an individual NSEC3 needs to be
+  changed.
    
+
+
    
+
    
+Dynamic Trust Anchor Management
    
+
    BIND 9.7.0 introduces support for RFC 5011, dynamic trust
+  anchor management. Using this feature allows 
+  named to keep track of changes to critical
+  DNSSEC keys without any need for the operator to make changes to
+  configuration files.
    
+
    
+
    
+Validating Resolver
    
+
    To configure a validating resolver to use RFC 5011 to
+    maintain a trust anchor, configure the trust anchor using a 
+    managed-keys statement. Information about
+    this can be found in 
+    the section called “managed-keys Statement Definition
+            and Usage”.
    
+
    
+
    
+
    
+Authoritative Server
    
+
    To set up an authoritative zone for RFC 5011 trust anchor
+    maintenance, generate two (or more) key signing keys (KSKs) for
+    the zone. Sign the zone with one of them; this is the "active"
+    KSK. All KSK's which do not sign the zone are "stand-by"
+    keys.
    
+
    Any validating resolver which is configured to use the
+    active KSK as an RFC 5011-managed trust anchor will take note
+    of the stand-by KSKs in the zone's DNSKEY RRset, and store them
+    for future reference. The resolver will recheck the zone
+    periodically, and after 30 days, if the new key is still there,
+    then the key will be accepted by the resolver as a valid trust
+    anchor for the zone. Any time after this 30-day acceptance
+    timer has completed, the active KSK can be revoked, and the
+    zone can be "rolled over" to the newly accepted key.
    
+
    The easiest way to place a stand-by key in a zone is to
+    use the "smart signing" features of 
+    dnssec-keygen and 
+    dnssec-signzone. If a key with a publication
+    date in the past, but an activation date which is unset or in
+    the future, " 
+    dnssec-signzone -S" will include the DNSKEY
+    record in the zone, but will not sign with it:
    
+
    +$ dnssec-keygen -K keys -f KSK -P now -A now+2y example.net
+$ dnssec-signzone -S -K keys example.net
+
    
+
    To revoke a key, the new command 
+    dnssec-revoke has been added. This adds the
+    REVOKED bit to the key flags and re-generates the 
+    K*.key and 
+    K*.private files.
    
+
    After revoking the active key, the zone must be signed
+    with both the revoked KSK and the new active KSK. (Smart
+    signing takes care of this automatically.)
    
+
    Once a key has been revoked and used to sign the DNSKEY
+    RRset in which it appears, that key will never again be
+    accepted as a valid trust anchor by the resolver. However,
+    validation can proceed using the new active key (which had been
+    accepted by the resolver when it was a stand-by key).
    
+
    See RFC 5011 for more details on key rollover
+    scenarios.
    
+
    When a key has been revoked, its key ID changes,
+    increasing by 128, and wrapping around at 65535. So, for
+    example, the key "Kexample.com.+005+10000" becomes
+    "Kexample.com.+005+10128".
    
+
    If two keys have ID's exactly 128 apart, and one is
+    revoked, then the two key ID's will collide, causing several
+    problems. To prevent this, 
+    dnssec-keygen will not generate a new key if
+    another key is present which may collide. This checking will
+    only occur if the new keys are written to the same directory
+    which holds all other keys in use for that zone.
    
+
    Older versions of BIND 9 did not have this precaution.
+    Exercise caution if using key revocation on keys that were
+    generated by previous releases, or if using keys stored in
+    multiple directories or on multiple machines.
    
+
    It is expected that a future release of BIND 9 will
+    address this problem in a different way, by storing revoked
+    keys with their original unrevoked key ID's.
    
+
    
+
    
+
    
+
    
+PKCS #11 (Cryptoki) support
    
+
    PKCS #11 (Public Key Cryptography Standard #11) defines a
+  platform- independent API for the control of hardware security
+  modules (HSMs) and other cryptographic support devices.
    
+
    BIND 9 is known to work with two HSMs: The Sun SCA 6000
+  cryptographic acceleration board, tested under Solaris x86, and
+  the AEP Keyper network-attached key storage device, tested with
+  Debian Linux, Solaris x86 and Windows Server 2003.
    
+
    
+
    
+Prerequisites
    
+
    See the HSM vendor documentation for information about
+    installing, initializing, testing and troubleshooting the
+    HSM.
    
+
    BIND 9 uses OpenSSL for cryptography, but stock OpenSSL
+    does not yet fully support PKCS #11. However, a PKCS #11 engine
+    for OpenSSL is available from the OpenSolaris project. It has
+    been modified by ISC to work with with BIND 9, and to provide
+    new features such as PIN management and key by
+    reference.
    
+
    The patched OpenSSL depends on a "PKCS #11 provider".
+    This is a shared library object, providing a low-level PKCS #11
+    interface to the HSM hardware. It is dynamically loaded by
+    OpenSSL at runtime. The PKCS #11 provider comes from the HSM
+    vendor, and and is specific to the HSM to be controlled.
    
+
    There are two "flavors" of PKCS #11 support provided by
+    the patched OpenSSL, one of which must be chosen at
+    configuration time. The correct choice depends on the HSM
+    hardware:
    
+
      
+
    • Use 'crypto-accelerator' with HSMs that have hardware
+        cryptographic acceleration features, such as the SCA 6000
+        board. This causes OpenSSL to run all supported
+        cryptographic operations in the HSM.
      • 
+
    • Use 'sign-only' with HSMs that are designed to
+        function primarily as secure key storage devices, but lack
+        hardware acceleration. These devices are highly secure, but
+        are not necessarily any faster at cryptography than the
+        system CPU — often, they are slower. It is therefore
+        most efficient to use them only for those cryptographic
+        functions that require access to the secured private key,
+        such as zone signing, and to use the system CPU for all
+        other computationally-intensive operations. The AEP Keyper
+        is an example of such a device.
      • 
+
    
+
    The modified OpenSSL code is included in the BIND 9.7.0
+    release, in the form of a context diff against the latest OpenSSL.
+    
    
+
    
+
    Note
    
+      The latest OpenSSL version at the time of the BIND release
+      is 0.9.8l.
+      ISC will provide an updated patch as new versions of OpenSSL
+      are released. The version number in the following examples
+      is expected to change.
    
+
    
+    Before building BIND 9 with PKCS #11 support, it will be
+    necessary to build OpenSSL with this patch in place and inform
+    it of the path to the HSM-specific PKCS #11 provider
+    library.
    
+
    Obtain OpenSSL 0.9.8l:
    
+
    +$ wget http://www.openssl.org/source/openssl-0.9.8l.tar.gz
+
    
+
    Extract the tarball:
    
+
    +$ tar zxf openssl-0.9.8l.tar.gz
+
    
+
    Apply the patch from the BIND 9 release:
    
+
    +$ patch -p1 -d openssl-0.9.8l \
+            < bind-9.7.0/bin/pkcs11/openssl-0.9.8l-patch
+
    
+
    
+
    Note
    (Note that the patch file may not be compatible with the
+    "patch" utility on all operating systems. You may need to
+    install GNU patch.)
    
+
    When building OpenSSL, place it in a non-standard
+    location so that it does not interfere with OpenSSL libraries
+    elsewhere on the system. In the following examples, we choose
+    to install into "/opt/pkcs11/usr". We will use this location
+    when we configure BIND 9.
    
+
    
+
    
+Building OpenSSL for the AEP Keyper on Linux
    
+
    The AEP Keyper is a highly secure key storage device,
+      but does not provide hardware cryptographic acceleration. It
+      can carry out cryptographic operations, but it is probably
+      slower than your system's CPU. Therefore, we choose the
+      'sign-only' flavor when building OpenSSL.
    
+
    The Keyper-specific PKCS #11 provider library is
+      delivered with the Keyper software. In this example, we place
+      it /opt/pkcs11/usr/lib:
    
+
    +$ cp pkcs11.GCC4.0.2.so.4.05 /opt/pkcs11/usr/lib/libpkcs11.so
+
    
+
    This library is only available for Linux as a 32-bit
+      binary. If we are compiling on a 64-bit Linux system, it is
+      necessary to force a 32-bit build, by specifying -m32 in the
+      build options.
    
+
    Finally, the Keyper library requires threads, so we
+      must specify -pthread.
    
+
    +$ cd openssl-0.9.8l
+$ ./Configure linux-generic32 -m32 -pthread \
+            --pk11-libname=/opt/pkcs11/usr/lib/libpkcs11.so \
+            --pk11-flavor=sign-only \
+            --prefix=/opt/pkcs11/usr
+
    
+
    After configuring, run "make"
+      and "make test". If "make
+      test" fails with "pthread_atfork() not found", you forgot to
+      add the -pthread above.
    
+
    
+
    
+
    
+Building OpenSSL for the SCA 6000 on Solaris
    
+
    The SCA-6000 PKCS #11 provider is installed as a system
+      library, libpkcs11. It is a true crypto accelerator, up to 4
+      times faster than any CPU, so the flavor shall be
+      'crypto-accelerator'.
    
+
    In this example, we are building on Solaris x86 on an
+      AMD64 system.
    
+
    +$ cd openssl-0.9.8l
+$ ./Configure solaris64-x86_64-cc \
+            --pk11-libname=/usr/lib/64/libpkcs11.so \
+            --pk11-flavor=crypto-accelerator \
+            --prefix=/opt/pkcs11/usr
+
    
+
    (For a 32-bit build, use "solaris-x86-cc" and
+      /usr/lib/libpkcs11.so.)
    
+
    After configuring, run 
+      make and 
+      make test.
    
+
    Once you have built OpenSSL, run
+      "apps/openssl engine pkcs11" to confirm
+      that PKCS #11 support was compiled in correctly. The output
+      should be one of the following lines, depending on the flavor
+      selected:
    
+
    +        (pkcs11) PKCS #11 engine support (sign only)
+
    
+
    Or:
    
+
    +        (pkcs11) PKCS #11 engine support (crypto accelerator)
+
    
+
    Next, run
+      "apps/openssl engine pkcs11 -t". This will
+      attempt to initialize the PKCS #11 engine. If it is able to
+      do so successfully, it will report
+      “[ available ]”.
    
+
    If the output is correct, run
+      "make install" which will install the
+      modified OpenSSL suite to 
+      /opt/pkcs11/usr.
    
+
    
+
    
+
    
+
    
+Building BIND 9 with PKCS#11
    
+
    When building BIND 9, the location of the custom-built
+    OpenSSL library must be specified via configure.
    
+
    
+
    
+Configuring BIND 9 for Linux
    
+
    To link with the PKCS #11 provider, threads must be
+      enabled in the BIND 9 build.
    
+
    The PKCS #11 library for the AEP Keyper is currently
+      only available as a 32-bit binary. If we are building on a
+      64-bit host, we must force a 32-bit build by adding "-m32" to
+      the CC options on the "configure" command line.
    
+
    +$ cd ../bind-9.7.0
+$ ./configure CC="gcc -m32" --enable-threads \
+           --with-openssl=/opt/pkcs11/usr \
+           --with-pkcs11=/opt/pkcs11/usr/lib/libpkcs11.so
+
    
+
    
+
    
+
    
+Configuring BIND 9 for Solaris
    
+
    To link with the PKCS #11 provider, threads must be
+      enabled in the BIND 9 build.
    
+
    +$ cd ../bind-9.7.0
+$ ./configure CC="cc -xarch=amd64" --enable-threads \
+            --with-openssl=/opt/pkcs11/usr \
+            --with-pkcs11=/usr/lib/64/libpkcs11.so
+
    
+
    (For a 32-bit build, omit CC="cc -xarch=amd64".)
    
+
    If configure complains about OpenSSL not working, you
+      may have a 32/64-bit architecture mismatch. Or, you may have
+      incorrectly specified the path to OpenSSL (it should be the
+      same as the --prefix argument to the OpenSSL
+      Configure).
    
+
    
+
    After configuring, run
+    "make",
+    "make test" and
+    "make install".
    
+
    
+
    
+
    
+PKCS #11 Tools
    
+
    BIND 9 includes a minimal set of tools to operate the
+    HSM, including 
+    pkcs11-keygen to generate a new key pair
+    within the HSM, 
+    pkcs11-list to list objects currently
+    available, and 
+    pkcs11-destroy to remove objects.
    
+
    In UNIX/Linux builds, these tools are built only if BIND
+    9 is configured with the --with-pkcs11 option. (NOTE: If
+    --with-pkcs11 is set to "yes", rather than to the path of the
+    PKCS #11 provider, then the tools will be built but the
+    provider will be left undefined. Use the -m option or the
+    PKCS11_PROVIDER environment variable to specify the path to the
+    provider.)
    
+
    
+
    
+
    
+Using the HSM
    
+
    First, we must set up the runtime environment so the
+    OpenSSL and PKCS #11 libraries can be loaded:
    
+
    +$ export LD_LIBRARY_PATH=/opt/pkcs11/usr/lib:${LD_LIBRARY_PATH}
+
    
+
    When operating an AEP Keyper, it is also necessary to
+    specify the location of the "machine" file, which stores
+    information about the Keyper for use by PKCS #11 provider
+    library. If the machine file is in 
+    /opt/Keyper/PKCS11Provider/machine,
+    use:
    
+
    +$ export KEYPER_LIBRARY_PATH=/opt/Keyper/PKCS11Provider
+
    
+
    These environment variables must be set whenever running
+    any tool that uses the HSM, including 
+    pkcs11-keygen, 
+    pkcs11-list, 
+    pkcs11-destroy, 
+    dnssec-keyfromlabel, 
+    dnssec-signzone, 
+    dnssec-keygen(which will use the HSM for
+    random number generation), and 
+    named.
    
+
    We can now create and use keys in the HSM. In this case,
+    we will create a 2048 bit key and give it the label
+    "sample-ksk":
    
+
    +$ pkcs11-keygen -b 2048 -l sample-ksk
+
    
+
    To confirm that the key exists:
    
+
    +$ pkcs11-list
+Enter PIN:
+object[0]: handle 2147483658 class 3 label[8] 'sample-ksk' id[0]
+object[1]: handle 2147483657 class 2 label[8] 'sample-ksk' id[0]
+
    
+
    Before using this key to sign a zone, we must create a
+    pair of BIND 9 key files. The "dnssec-keyfromlabel" utility
+    does this. In this case, we will be using the HSM key
+    "sample-ksk" as the key-signing key for "example.net":
    
+
    +$ dnssec-keyfromlabel -l sample-ksk -f KSK example.net
+
    
+
    The resulting K*.key and K*.private files can now be used
+    to sign the zone. Unlike normal K* files, which contain both
+    public and private key data, these files will contain only the
+    public key data, plus an identifier for the private key which
+    remains stored within the HSM. The HSM handles signing with the
+    private key.
    
+
    If you wish to generate a second key in the HSM for use
+    as a zone-signing key, follow the same procedure above, using a
+    different keylabel, a smaller key size, and omitting "-f KSK"
+    from the dnssec-keyfromlabel arguments:
    
+
    +$ pkcs11-keygen -b 1024 -l sample-zsk
+$ dnssec-keyfromlabel -l sample-zsk example.net
+
    
+
    Alternatively, you may prefer to generate a conventional
+    on-disk key, using dnssec-keygen:
    
+
    +$ dnssec-keygen example.net
+
    
+
    This provides less security than an HSM key, but since
+    HSMs can be slow or cumbersome to use for security reasons, it
+    may be more efficient to reserve HSM keys for use in the less
+    frequent key-signing operation. The zone-signing key can be
+    rolled more frequently, if you wish, to compensate for a
+    reduction in key security.
    
+
    Now you can sign the zone. (Note: If not using the -S
+    option to 
+    dnssec-signzone, it will be necessary to add
+    the contents of both 
+    K*.key files to the zone master file before
+    signing it.)
    
+
    +$ dnssec-signzone -S example.net
+Enter PIN:
+Verifying the zone using the following algorithms:
+NSEC3RSASHA1.
+Zone signing complete:
+Algorithm: NSEC3RSASHA1: ZSKs: 1, KSKs: 1 active, 0 revoked, 0 stand-by
+example.net.signed
+
    
+
    
+
    
+
    
+Specifying the engine on the command line
    
+
    The OpenSSL engine can be specified in 
+    named and all of the BIND 
+    dnssec-* tools by using the "-E
+    <engine>" command line option. If BIND 9 is built with
+    the --with-pkcs11 option, this option defaults to "pkcs11".
+    Specifying the engine will generally not be necessary unless
+    for some reason you wish to use a different OpenSSL
+    engine.
    
+
    If you wish to disable use of the "pkcs11" engine —
+    for troubleshooting purposes, or because the HSM is unavailable
+    — set the engine to the empty string. For example:
    
+
    +$ dnssec-signzone -E '' -S example.net
+
    
+
    This causes 
+    dnssec-signzone to run as if it were compiled
+    without the --with-pkcs11 option.
    
+
    
+
    
+
    
+Running named with automatic zone re-signing
    
+
    If you want 
+    named to dynamically re-sign zones using HSM
+    keys, and/or to to sign new records inserted via nsupdate, then
+    named must have access to the HSM PIN. This can be accomplished
+    by placing the PIN into the openssl.cnf file (in the above
+    examples, 
+    /opt/pkcs11/usr/ssl/openssl.cnf).
    
+
    The location of the openssl.cnf file can be overridden by
+    setting the OPENSSL_CONF environment variable before running
+    named.
    
+
    Sample openssl.cnf:
    
+
    +        openssl_conf = openssl_def
+        [ openssl_def ]
+        engines = engine_section
+        [ engine_section ]
+        pkcs11 = pkcs11_section
+        [ pkcs11_section ]
+        PIN = <PLACE PIN HERE>
+
    
+
    This will also allow the dnssec-* tools to access the HSM
+    without PIN entry. (The pkcs11-* tools access the HSM directly,
+    not via OpenSSL, so a PIN will still be required to use
+    them.)
    
+
    
+
    Warning
    
+
    Placing the HSM's PIN in a text file in
+      this manner may reduce the security advantage of using an
+      HSM. Be sure this is what you want to do before configuring
+      OpenSSL in this way.
    
+
    
+
    
+
    
+
    
+
    
+IPv6 Support in BIND 9
    
 
    
         BIND 9 fully supports all currently
         defined forms of IPv6 name to address and address to name
@@ -1017,7 +1789,7 @@ options {
       
    
 
    
 
    
-Address Lookups Using AAAA Records
    
+Address Lookups Using AAAA Records
    
 
    
           The IPv6 AAAA record is a parallel to the IPv4 A record,
           and, unlike the deprecated A6 record, specifies the entire
@@ -1036,7 +1808,7 @@ host            3600    IN      AAAA    2001:db8::1
 
 
    
 
    
-Address to Name Lookups Using Nibble Format
    
+Address to Name Lookups Using Nibble Format
    
 
    
           When looking up an address in nibble format, the address
           components are simply reversed, just as in IPv4, and
@@ -1048,7 +1820,8 @@ host            3600    IN      AAAA    2001:db8::1
         
    
 
     $ORIGIN 0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa.
-1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0   14400 IN      PTR     host.example.com.
+1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0  14400   IN    PTR    (
+                                    host.example.com. )
 
    
 
 
diff --git a/doc/arm/Bv9ARM.ch05.html b/doc/arm/Bv9ARM.ch05.html
index b0339b4..3b60755 100644
--- a/doc/arm/Bv9ARM.ch05.html
+++ b/doc/arm/Bv9ARM.ch05.html
@@ -1,5 +1,5 @@
 
-
+
 
 
 
@@ -45,13 +45,13 @@
 
    
 
    Table of Contents
    
 
    
-
    The Lightweight Resolver Library
    
+
    The Lightweight Resolver Library
    
 
    Running a Resolver Daemon
    
 
    
 
    
 
    
 
    
-The Lightweight Resolver Library
    
+The Lightweight Resolver Library
    
 
    
         Traditionally applications have been linked with a stub resolver
         library that sends recursive DNS queries to a local caching name
diff --git a/doc/arm/Bv9ARM.ch06.html b/doc/arm/Bv9ARM.ch06.html
index d969e4b..3524348 100644
--- a/doc/arm/Bv9ARM.ch06.html
+++ b/doc/arm/Bv9ARM.ch06.html
@@ -1,5 +1,5 @@
 
-
+
 
 
 
@@ -48,55 +48,58 @@
 
    Configuration File Elements
    
 
    
 
    Address Match Lists
    
-
    Comment Syntax
    
+
    Comment Syntax
    
 
    
 
    Configuration File Grammar
    
 
    
-
    acl Statement Grammar
    
+
    acl Statement Grammar
    
 
    acl Statement Definition and
           Usage
    
-
    controls Statement Grammar
    
+
    controls Statement Grammar
    
 
    controls Statement Definition and
           Usage
    
-
    include Statement Grammar
    
-
    include Statement Definition and
+
    include Statement Grammar
    
+
    include Statement Definition and
           Usage
    
-
    key Statement Grammar
    
-
    key Statement Definition and Usage
    
-
    logging Statement Grammar
    
-
    logging Statement Definition and
+
    key Statement Grammar
    
+
    key Statement Definition and Usage
    
+
    logging Statement Grammar
    
+
    logging Statement Definition and
           Usage
    
-
    lwres Statement Grammar
    
-
    lwres Statement Definition and Usage
    
-
    masters Statement Grammar
    
-
    masters Statement Definition and
+
    lwres Statement Grammar
    
+
    lwres Statement Definition and Usage
    
+
    masters Statement Grammar
    
+
    masters Statement Definition and
           Usage
    
-
    options Statement Grammar
    
+
    options Statement Grammar
    
 
    options Statement Definition and
           Usage
    
 
    server Statement Grammar
    
 
    server Statement Definition and
             Usage
    
 
    statistics-channels Statement Grammar
    
-
    statistics-channels Statement Definition and
+
    statistics-channels Statement Definition and
             Usage
    
-
    trusted-keys Statement Grammar
    
-
    trusted-keys Statement Definition
+
    trusted-keys Statement Grammar
    
+
    trusted-keys Statement Definition
+            and Usage
    
+
    managed-keys Statement Grammar
    
+
    managed-keys Statement Definition
             and Usage
    
 
    view Statement Grammar
    
-
    view Statement Definition and Usage
    
+
    view Statement Definition and Usage
    
 
    zone
             Statement Grammar
    
-
    zone Statement Definition and Usage
    
+
    zone Statement Definition and Usage
    
 
    
-
    Zone File
    
+
    Zone File
    
 
    
 
    Types of Resource Records and When to Use Them
    
-
    Discussion of MX Records
    
+
    Discussion of MX Records
    
 
    Setting TTLs
    
-
    Inverse Mapping in IPv4
    
-
    Other Zone File Directives
    
-
    BIND Master File Extension: the  $GENERATE Directive
    
+
    Inverse Mapping in IPv4
    
+
    Other Zone File Directives
    
+
    BIND Master File Extension: the  $GENERATE Directive
    
 
    Additional File Formats
    
 
    
 
    BIND9 Statistics
    
@@ -193,6 +196,19 @@
 
 
                 
    
+                  namelist
+                
    
+              
+
+                
    
+                  A list of one or more domain_name
+                  elements.
+                
    
+              
+
+
+
+                
    
                   dotted_decimal
                 
    
               
@@ -461,7 +477,7 @@
 Address Match Lists
 
    
 
    
-Syntax
    
+Syntax
    
 
    address_match_list = address_match_list_element ;
   [ address_match_list_element; ... ]
 address_match_list_element = [ ! ] (ip_address [/length] |
@@ -470,7 +486,7 @@
 
 
    
 
    
-Definition and Usage
    
+Definition and Usage
    
 
    
             Address match lists are primarily used to determine access
             control for various server operations. They are also used in
@@ -554,7 +570,7 @@
 
 
    
 
    
-Comment Syntax
    
+Comment Syntax
    
 
    
           The BIND 9 comment syntax allows for
           comments to appear
@@ -564,7 +580,7 @@
         
    
 
    
 
    
-Syntax
    
+Syntax
    
 
    
             
    
 
    /* This is a BIND comment as in C */
    
@@ -573,13 +589,14 @@
 
    // This is a BIND comment as in C++
    
 
    
             
    
-
    # This is a BIND comment as in common UNIX shells and perl
    
+
    # This is a BIND comment as in common UNIX shells
+# and perl
    
 
    
           
    
 
 
    
 
    
-Definition and Usage
    
+Definition and Usage
    
 
    
             Comments may appear anywhere that whitespace may appear in
             a BIND configuration file.
@@ -792,6 +809,17 @@
 
 
 
+                
    managed-keys
    
+              
+
+                
    
+                  lists DNSSEC keys to be kept up to date
+                  using RFC 5011 trust anchor maintenance.
+                
    
+              
+
+
+
                 
    view
    
               
 
@@ -820,7 +848,7 @@
       
    
 
    
 
    
-acl Statement Grammar
    
+acl Statement Grammar
    
 
    acl acl-name {
     address_match_list
 };
@@ -902,12 +930,14 @@
 
 
    
 
    
-controls Statement Grammar
    
+controls Statement Grammar
    
 
    controls {
-   [ inet ( ip_addr | * ) [ port ip_port ] allow {  address_match_list  }
+   [ inet ( ip_addr | * ) [ port ip_port ]
+                allow {  address_match_list  }
                 keys { key_list }; ]
    [ inet ...; ]
-   [ unix path perm number owner number group number keys { key_list }; ]
+   [ unix path perm number owner number group number
+     keys { key_list }; ]
    [ unix ...; ]
 };
 
    
@@ -1024,12 +1054,12 @@
 
 
    
 
    
-include Statement Grammar
    
+include Statement Grammar
    
 
    include filename;
    
 
 
    
 
    
-include Statement Definition and
+include Statement Definition and
           Usage
    
 
    
           The include statement inserts the
@@ -1044,7 +1074,7 @@
 
    
 
    
 
    
-key Statement Grammar
    
+key Statement Grammar
    
 
    key key_id {
     algorithm string;
     secret string;
@@ -1053,7 +1083,7 @@
 
 
    
 
    
-key Statement Definition and Usage
    
+key Statement Definition and Usage
    
 
    
           The key statement defines a shared
           secret key for use with TSIG (see the section called “TSIG”)
@@ -1100,7 +1130,7 @@
 
 
    
 
    
-logging Statement Grammar
    
+logging Statement Grammar
    
 
    logging {
    [ channel channel_name {
      ( file path_name
@@ -1124,7 +1154,7 @@
 
 
    
 
    
-logging Statement Definition and
+logging Statement Definition and
           Usage
    
 
    
           The logging statement configures a
@@ -1158,7 +1188,7 @@
         
    
 
    
 
    
-The channel Phrase
    
+The channel Phrase
    
 
    
             All log output goes to one or more channels;
             you can make as many of them as you want.
@@ -1342,32 +1372,30 @@ notrace. All debugging messages in the server have a debug
             used is described in the section called “The category Phrase”.
           
    
 
    channel default_syslog {
-    syslog daemon;                      // send to syslog's daemon
-                                        // facility
-    severity info;                      // only send priority info
-                                        // and higher
-};
+    // send to syslog's daemon facility
+    syslog daemon;
+    // only send priority info and higher
+    severity info;
 
 channel default_debug {
-    file "named.run";                   // write to named.run in
-                                        // the working directory
-                                        // Note: stderr is used instead
-                                        // of "named.run"
-                                        // if the server is started
-                                        // with the '-f' option.
-    severity dynamic;                   // log at the server's
-                                        // current debug level
+    // write to named.run in the working directory
+    // Note: stderr is used instead of "named.run" if
+    // the server is started with the '-f' option.
+    file "named.run";
+    // log at the server's current debug level
+    severity dynamic;
 };
 
 channel default_stderr {
-    stderr;                             // writes to stderr
-    severity info;                      // only send priority info
-                                        // and higher
+    // writes to stderr
+    stderr;
+    // only send priority info and higher
+    severity info;
 };
 
 channel null {
-   null;                                // toss anything sent to
-                                        // this channel
+   // toss anything sent to this channel
+   null;
 };
 
    
 
    
@@ -1610,12 +1638,14 @@ category notify { null; };
                     
    
                       The query log entry reports the client's IP
                       address and port number, and the query name,
-                      class and type.  It also reports whether the
+                      class and type.  Next it reports whether the
                       Recursion Desired flag was set (+ if set, -
                       if not set), if the query was signed (S),
-                      EDNS was in use (E), if DO (DNSSEC Ok) was
-                      set (D), or if CD (Checking Disabled) was set
-                      (C).
+                      EDNS was in use (E), if TCP was used (T), if
+                      DO (DNSSEC Ok) was set (D), or if CD (Checking
+                      Disabled) was set (C).  After this the
+                      destination address the query was sent to is
+                      reported.
                     
    
 
                     
    
@@ -1723,7 +1753,7 @@ category notify { null; };
 
 
    
 
    
-The query-errors Category
    
+The query-errors Category
    
 
    
             The query-errors category is
             specifically intended for debugging purposes: To identify
@@ -1754,7 +1784,15 @@ category notify { null; };
             The log message will look like as follows:
           
    
 
    
-            fetch completed at resolver.c:2970 for www.example.com/A in 30.000183: timed out/success [domain:example.com,referral:2,restart:7,qrysent:8,timeout:5,lame:0,neterr:0,badresp:1,adberr:0,findfail:0,valfail:0]
+
+            
    
+
    +fetch completed at resolver.c:2970 for www.example.com/A
+in 30.000183: timed out/success [domain:example.com,
+referral:2,restart:7,qrysent:8,timeout:5,lame:0,neterr:0,
+badresp:1,adberr:0,findfail:0,valfail:0]
+            
    
+
    
           
    
 
    
             The first part before the colon shows that a recursive
@@ -1943,13 +1981,14 @@ category notify { null; };
 
 
    
 
    
-lwres Statement Grammar
    
+lwres Statement Grammar
    
 
    
            This is the grammar of the lwres
           statement in the named.conf file:
         
    
 
    lwres {
-    [ listen-on { ip_addr [port ip_port] ; [ ip_addr [port ip_port] ; ... ] }; ]
+    [ listen-on { ip_addr [port ip_port] ;
+                [ ip_addr [port ip_port] ; ... ] }; ]
     [ view view_name; ]
     [ search { domain_name ; [ domain_name ; ... ] }; ]
     [ ndots number; ]
@@ -1958,7 +1997,7 @@ category notify { null; };
 
 
    
 
    
-lwres Statement Definition and Usage
    
+lwres Statement Definition and Usage
    
 
    
           The lwres statement configures the
           name
@@ -2009,14 +2048,15 @@ category notify { null; };
 
 
    
 
    
-masters Statement Grammar
    
+masters Statement Grammar
    
 
    -masters name [port ip_port] { ( masters_list | ip_addr [port ip_port] [key key] ) ; [...] };
+masters name [port ip_port] { ( masters_list | 
+      ip_addr [port ip_port] [key key] ) ; [...] };
 
    
 
 
    
 
    
-masters Statement Definition and
+masters Statement Definition and
           Usage
    
 
    masters
           lists allow for a common set of masters to be easily used by
@@ -2025,23 +2065,27 @@ category notify { null; };
 
    
 
    
 
    
-options Statement Grammar
    
+options Statement Grammar
    
 
    
           This is the grammar of the options
           statement in the named.conf file:
         
    
 
    options {
+    [ attach-cache cache_name; ]
     [ version version_string; ]
     [ hostname hostname_string; ]
     [ server-id server_id_string; ]
     [ directory path_name; ]
     [ key-directory path_name; ]
+    [ managed-keys-directory path_name; ]
     [ named-xfer path_name; ]
+    [ tkey-gssapi-keytab path_name; ]
     [ tkey-gssapi-credential principal; ]
     [ tkey-domain domainname; ]
     [ tkey-dhkey key_name key_tag; ]
     [ cache-file path_name; ]
     [ dump-file path_name; ]
+    [ bindkeys-file path_name; ]
     [ memstatistics yes_or_no; ]
     [ memstatistics-file path_name; ]
     [ pid-file path_name; ]
@@ -2066,8 +2110,9 @@ category notify { null; };
     [ maintain-ixfr-base yes_or_no; ]
     [ ixfr-from-differences (yes_or_no | master | slave); ]
     [ dnssec-enable yes_or_no; ]
-    [ dnssec-validation yes_or_no; ]
-    [ dnssec-lookaside domain trust-anchor domain; ]
+    [ dnssec-validation (yes_or_no | auto); ]
+    [ dnssec-lookaside ( auto | 
+                        domain trust-anchor domain ); ]
     [ dnssec-must-be-secure domain yes_or_no; ]
     [ dnssec-accept-expired yes_or_no; ]
     [ forward ( only | first ); ]
@@ -2078,12 +2123,14 @@ category notify { null; };
         ... }; ]
     [ check-names ( master | slave | response )
         ( warn | fail | ignore ); ]
+    [ check-dup-records ( warn | fail | ignore ); ]
     [ check-mx ( warn | fail | ignore ); ]
     [ check-wildcard yes_or_no; ]
     [ check-integrity yes_or_no; ]
     [ check-mx-cname ( warn | fail | ignore ); ]
     [ check-srv-cname ( warn | fail | ignore ); ]
     [ check-sibling yes_or_no; ]
+    [ allow-new-zones { yes_or_no }; ]
     [ allow-notify { address_match_list }; ]
     [ allow-query { address_match_list }; ]
     [ allow-query-on { address_match_list }; ]
@@ -2095,6 +2142,8 @@ category notify { null; };
     [ allow-update { address_match_list }; ]
     [ allow-update-forwarding { address_match_list }; ]
     [ update-check-ksk yes_or_no; ]
+    [ dnssec-dnskey-kskonly yes_or_no; ]
+    [ dnssec-secure-to-insecure yes_or_no ;]
     [ try-tcp-refresh yes_or_no; ]
     [ allow-v6-synthesis { address_match_list }; ]
     [ blackhole { address_match_list }; ]
@@ -2132,13 +2181,15 @@ category notify { null; };
     [ transfer-source (ip4_addr | *) [port ip_port] ; ]
     [ transfer-source-v6 (ip6_addr | *) [port ip_port] ; ]
     [ alt-transfer-source (ip4_addr | *) [port ip_port] ; ]
-    [ alt-transfer-source-v6 (ip6_addr | *) [port ip_port] ; ]
+    [ alt-transfer-source-v6 (ip6_addr | *)
+                             [port ip_port] ; ]
     [ use-alt-transfer-source yes_or_no; ]
     [ notify-delay seconds ; ]
     [ notify-source (ip4_addr | *) [port ip_port] ; ]
     [ notify-source-v6 (ip6_addr | *) [port ip_port] ; ]
     [ notify-to-soa yes_or_no ; ]
-    [ also-notify { ip_addr [port ip_port] ; [ ip_addr [port ip_port] ; ... ] }; ]
+    [ also-notify { ip_addr [port ip_port] ;
+                  [ ip_addr [port ip_port] ; ... ] }; ]
     [ max-ixfr-log-size number; ]
     [ max-journal-size size_spec; ]
     [ coresize size_spec ; ]
@@ -2174,12 +2225,25 @@ category notify { null; };
     [ random-device path_name ; ]
     [ max-cache-size size_spec ; ]
     [ match-mapped-addresses yes_or_no; ]
+    [ filter-aaaa-on-v4 ( yes_or_no | break-dnssec ); ]
+    [ filter-aaaa { address_match_list }; ]
+    [ dns64 IPv6-prefix {
+        [ clients { address_match_list }; ]
+        [ mapped { address_match_list }; ]
+        [ exclude { address_match_list }; ]
+        [ suffix IPv6-address; ]
+        [ recursive-only yes_or_no; ]
+        [ break-dnssec yes_or_no; ]
+    }; ];
+    [ dns64-server name ]
+    [ dns64-contact name ]
     [ preferred-glue ( A | AAAA | NONE ); ]
     [ edns-udp-size number; ]
     [ max-udp-size number; ]
     [ root-delegation-only [ exclude { namelist } ] ; ]
     [ querylog yes_or_no ; ]
-    [ disable-algorithms domain { algorithm; [ algorithm; ] }; ]
+    [ disable-algorithms domain { algorithm;
+                                [ algorithm; ] }; ]
     [ acache-enable yes_or_no ; ]
     [ acache-cleaning-interval number; ]
     [ max-acache-size size_spec ; ]
@@ -2192,6 +2256,10 @@ category notify { null; };
     [ disable-empty-zone zone_name ; ]
     [ zero-no-soa-ttl yes_or_no ; ]
     [ zero-no-soa-ttl-cache yes_or_no ; ]
+    [ resolver-query-timeout number ; ]
+    [ deny-answer-addresses { address_match_list } [ except-from { namelist } ];]
+    [ deny-answer-aliases { namelist } [ except-from { namelist } ];]
+    [ response-policy { zone_name [ policy given | no-op | nxdomain | nodata | cname domain ] ; } ; ]
 };
 
    
 
@@ -2209,6 +2277,91 @@ category notify { null; };
           be used.
         
    
 
    
+
    attach-cache
    
+
    
+
    
+                  Allows multiple views to share a single cache
+                  database.
+                  Each view has its own cache database by default, but
+                  if multiple views have the same operational policy
+                  for name resolution and caching, those views can
+                  share a single cache to save memory and possibly
+                  improve resolution efficiency by using this option.
+                
    
+
    
+                  The attach-cache option
+                  may also be specified in view
+                  statements, in which case it overrides the
+                  global attach-cache option.
+                
    
+
    
+                  The cache_name specifies
+                  the cache to be shared.
+                  When the named server configures
+                  views which are supposed to share a cache, it
+                  creates a cache with the specified name for the
+                  first view of these sharing views.
+                  The rest of the views will simply refer to the
+                  already created cache.
+                
    
+
    
+                  One common configuration to share a cache would be to
+                  allow all views to share a single cache.
+                  This can be done by specifying
+                  the attach-cache as a global
+                  option with an arbitrary name.
+                
    
+
    
+                  Another possible operation is to allow a subset of
+                  all views to share a cache while the others to
+                  retain their own caches.
+                  For example, if there are three views A, B, and C,
+                  and only A and B should share a cache, specify the
+                  attach-cache option as a view A (or
+                  B)'s option, referring to the other view name:
+                
    
+
    +  view "A" {
+    // this view has its own cache
+    ...
+  };
+  view "B" {
+    // this view refers to A's cache
+    attach-cache "A";
+  };
+  view "C" {
+    // this view has its own cache
+    ...
+  };
+
    
+
    
+                  Views that share a cache must have the same policy
+                  on configurable parameters that may affect caching.
+                  The current implementation requires the following
+                  configurable options be consistent among these
+                  views:
+                  check-names,
+                  cleaning-interval,
+                  dnssec-accept-expired,
+                  dnssec-validation,
+                  max-cache-ttl,
+                  max-ncache-ttl,
+                  max-cache-size, and
+                  zero-no-soa-ttl.
+                
    
+
    
+                  Note that there may be other parameters that may
+                  cause confusion if they are inconsistent for
+                  different views that share a single cache.
+                  For example, if these views define different sets of
+                  forwarders that can return different answers for the
+                  same question, sharing the answer does not make
+                  sense or could even be harmful.
+                  It is administrator's responsibility to ensure
+                  configuration differences in different views do
+                  not cause disruption with a shared cache.
+                
    
+
    
 
    directory
    
 
    
                 The working directory of the server.
@@ -2229,10 +2382,19 @@ category notify { null; };
                 When performing dynamic update of secure zones, the
                 directory where the public and private DNSSEC key files
                 should be found, if different than the current working
-                directory.  The directory specified must be an absolute
-                path.  (Note that this option has no effect on the paths
-                for files containing non-DNSSEC keys such as the
-                rndc.key.
+                directory.  (Note that this option has no effect on the
+                paths for files containing non-DNSSEC keys such as
+                bind.keys,
+                rndc.key or
+                session.key.)
+              
    
+
    managed-keys-directory
    
+
    
+                The directory used to hold the files used to track managed keys.
+                By default it is the working directory.  It there are no
+                views then the file managed-keys.bind
+                otherwise a SHA256 hash of the view name is used with
+                .mkeys extension added.
               
    
 
    named-xfer
    
 
    
@@ -2243,18 +2405,27 @@ category notify { null; };
                 named-xfer program is needed;
                 its functionality is built into the name server.
               
    
+
    tkey-gssapi-keytab
    
+
    
+                The KRB5 keytab file to use for GSS-TSIG updates. If
+                this option is set and tkey-gssapi-credential is not
+                set, then updates will be allowed with any key
+                matching a principal in the specified keytab.
+              
    
 
    tkey-gssapi-credential
    
 
    
                 The security credential with which the server should
                 authenticate keys requested by the GSS-TSIG protocol.
                 Currently only Kerberos 5 authentication is available
-                and the credential is a Kerberos principal which
-                the server can acquire through the default system
-                key file, normally /etc/krb5.keytab.
-                Normally this principal is of the form
-                "DNS/server.domain".
-                To use GSS-TSIG, tkey-domain
-                must also be set.
+                and the credential is a Kerberos principal which the
+                server can acquire through the default system key
+                file, normally /etc/krb5.keytab.
+                The location keytab file can be overridden using the
+                tkey-gssapi-keytab option. Normally this principal is
+                of the form "DNS/server.domain".
+                To use GSS-TSIG, tkey-domain must
+                also be set if a specific keytab is not set with
+                tkey-gssapi-keytab.
               
    
 
    tkey-domain
    
 
    
@@ -2271,7 +2442,8 @@ category notify { null; };
                 should be the server's domain name, or an otherwise
                 non-existent subdomain like
                 "_tkey.domainname".  If you are
-                using GSS-TSIG, this variable must be defined.
+                using GSS-TSIG, this variable must be defined, unless
+                you specify a specific keytab using tkey-gssapi-keytab.
               
    
 
    tkey-dhkey
    
 
    
@@ -2331,6 +2503,54 @@ category notify { null; };
                 described
                 in the section called “The Statistics File”.
               
    
+
    bindkeys-file
    
+
    
+                The pathname of a file to override the built-in trusted
+                keys provided by named.
+                See the discussion of dnssec-lookaside
+                and dnssec-validation for details. 
+                If not specified, the default is
+                /etc/bind.keys.
+              
    
+
    secroots-file
    
+
    
+                The pathname of the file the server dumps
+                security roots to when instructed to do so with
+                rndc secroots.
+                If not specified, the default is named.secroots.
+              
    
+
    session-keyfile
    
+
    
+                The pathname of the file into which to write a TSIG
+                session key generated by named for use by
+                nsupdate -l.  If not specified, the
+                default is /var/run/named/session.key.
+                (See the section called “Dynamic Update Policies”, and in
+                particular the discussion of the
+                update-policy statement's
+                local option for more
+                information about this feature.)
+              
    
+
    session-keyname
    
+
    
+                The key name to use for the TSIG session key.
+                If not specified, the default is "local-ddns".
+              
    
+
    session-keyalg
    
+
    
+                The algorithm to use for the TSIG session key.
+                Valid values are hmac-sha1, hmac-sha224, hmac-sha256,
+                hmac-sha384, hmac-sha512 and hmac-md5.  If not
+                specified, the default is hmac-sha256.
+              
    
+
    session-keyfile
    
+
    
+                The pathname of the file into which to write a session TSIG
+                key for use by nsupdate -l.  (See the
+                discussion of the update-policy
+                statement's local option for more
+                details on this feature.)
+              
    
 
    port
    
 
    
                 The UDP/TCP port number the server uses for
@@ -2379,14 +2599,14 @@ category notify { null; };
 
    
                 DS queries are expected to be made to and be answered by
                 delegation only zones.  Such queries and responses are
-                treated as a exception to delegation-only processing
+                treated as an exception to delegation-only processing
                 and are not converted to NXDOMAIN responses provided
                 a CNAME is not discovered at the query name.
               
    
 
    
                 If a delegation only zone server also serves a child
                 zone it is not always possible to determine whether
-                a answer comes from the delegation only zone or the
+                an answer comes from the delegation only zone or the
                 child zone.  SOA NS and DNSKEY records are apex
                 only records and a matching response that contains
                 these records or DS is treated as coming from a
@@ -2423,42 +2643,138 @@ options {
                 Only the most specific will be applied.
               
    
 
    dnssec-lookaside
    
-
    
-                When set, dnssec-lookaside
-                provides the
-                validator with an alternate method to validate DNSKEY records
-                at the
-                top of a zone.  When a DNSKEY is at or below a domain
-                specified by the
-                deepest dnssec-lookaside, and
-                the normal DNSSEC validation
-                has left the key untrusted, the trust-anchor will be append to
-                the key
-                name and a DLV record will be looked up to see if it can
-                validate the
-                key.  If the DLV record validates a DNSKEY (similarly to the
-                way a DS
+
    
+
    
+                When set, dnssec-lookaside provides the
+                validator with an alternate method to validate DNSKEY
+                records at the top of a zone.  When a DNSKEY is at or
+                below a domain specified by the deepest
+                dnssec-lookaside, and the normal DNSSEC
+                validation has left the key untrusted, the trust-anchor
+                will be appended to the key name and a DLV record will be
+                looked up to see if it can validate the key.  If the DLV
+                record validates a DNSKEY (similarly to the way a DS
                 record does) the DNSKEY RRset is deemed to be trusted.
-              
    
+              
    
+
    
+                If dnssec-lookaside is set to
+                auto, then built-in default
+                values for the DLV domain and trust anchor will be
+                used, along with a built-in key for validation.
+              
    
+
    
+                The default DLV key is stored in the file
+                bind.keys;
+                named will load that key at
+                startup if dnssec-lookaside is set to
+                auto.  A copy of the file is
+                installed along with BIND 9, and is
+                current as of the release date.  If the DLV key expires, a
+                new copy of bind.keys can be downloaded
+                from https://www.isc.org/solutions/dlv.
+              
    
+
    
+                (To prevent problems if bind.keys is
+                not found, the current key is also compiled in to
+                named.  Relying on this is not
+                recommended, however, as it requires named
+                to be recompiled with a new key when the DLV key expires.)
+              
    
+
    
+                NOTE: named only loads certain specific
+                keys from bind.keys:  those for the
+                DLV zone and for the DNS root zone.  The file cannot be
+                used to store keys for other zones.
+              
    
+
 
    dnssec-must-be-secure
    
 
    
-                Specify hierarchies which must be or may not be secure (signed and
-                validated).
-                If yes, then named will only accept
-                answers if they
-                are secure.
-                If no, then normal DNSSEC validation
-                applies
-                allowing for insecure answers to be accepted.
-                The specified domain must be under a trusted-key or
-                dnssec-lookaside must be
-                active.
+                Specify hierarchies which must be or may not be secure
+                (signed and validated).  If yes,
+                then named will only accept answers if
+                they are secure.  If no, then normal
+                DNSSEC validation applies allowing for insecure answers to
+                be accepted.  The specified domain must be under a
+                trusted-keys or
+                managed-keys statement, or
+                dnssec-lookaside must be active.
               
    
+
    dns64
    
+
    
+
    
+                This directive instructs named to
+                return mapped IPv4 addresses to AAAA queries when
+                there are no AAAA records.  It is intended to be
+                used in conjunction with a NAT64.  Each
+                dns64 defines one DNS64 prefix.
+                Multiple DNS64 prefixes can be defined.
+              
    
+
    
+                Compatible IPv6 prefixes have lengths of 32, 40, 48, 56,
+                64 and 96 as per RFC 6052.
+              
    
+
    
+                Additionally a reverse IP6.ARPA zone will be created for
+                the prefix to provide a mapping from the IP6.ARPA names
+                to the corresponding IN-ADDR.ARPA names using synthesized
+                CNAMEs.  dns64-server and
+                dns64-contact can be used to specify
+                the name of the server and contact for the zones. These
+                are settable at the view / options level.  These are
+                not settable on a per-prefix basis.
+              
    
+
    
+                Each dns64 supports an optional
+                clients ACL that determines which
+                clients are affected by this directive.  If not defined,
+                it defaults to any;.
+              
    
+
    
+                Each dns64 supports an optional
+                mapped ACL that selects which
+                IPv4 addresses are to be mapped in the corresponding    
+                A RRset.  If not defined it defaults to
+                any;.
+              
    
+
    
+                Each dns64 supports an optional
+                exclude ACL that selects which
+                IPv6 addresses will be ignored for the purposes
+                of determining whether dns64 is to be applied.
+                Any non-matching address will prevent further
+                DNS64 processing from occurring for this client.
+              
    
+
    
+                A optional suffix can also
+                be defined to set the bits trailing the mapped
+                IPv4 address bits.  By default these bits are
+                set to ::.  The bits
+                matching the prefix and mapped IPv4 address
+                must be zero.
+              
    
+
    +        acl rfc1918 { 10/8; 192.168/16; 172.16/12; };
+
+        dns64 64:FF9B::/96 {
+                clients { any; };
+                mapped { !rfc1918; any; };
+                exclude { 64:FF9B::/96; ::ffff:0000:0000/96; };
+                suffix ::;
+        };
+
    
+
    
 
    
 
    
 
    
 Boolean Options
    
 
    
+
    allow-new-zones
    
+
    
+                  If yes, then zones can be
+                  added at runtime via rndc addzone
+                  or deleted via rndc delzone.
+                  The default is no.
+                
    
 
    auth-nxdomain
    
 
    
                   If yes, then the AA bit
@@ -2863,6 +3179,7 @@ options {
                   off
                   on a per-zone basis by specifying zone-statistics no
                   in the zone statement).
+                  The default is no.
                   These statistics may be accessed
                   using rndc stats, which will
                   dump them to the file listed
@@ -3006,6 +3323,57 @@ options {
                   internally.  The use of this option is discouraged.
                 
    
 
    
+
    filter-aaaa-on-v4
    
+
    
+
    
+                  This option is only available when
+                  BIND 9 is compiled with the
+                  --enable-filter-aaaa option on the
+                  "configure" command line.  It is intended to help the
+                  transition from IPv4 to IPv6 by not giving IPv6 addresses
+                  to DNS clients unless they have connections to the IPv6
+                  Internet.  This is not recommended unless absolutely
+                  necessary.  The default is no.
+                  The filter-aaaa-on-v4 option
+                  may also be specified in view statements
+                  to override the global filter-aaaa-on-v4
+                  option.
+                
    
+
    
+                  If yes,
+                  the DNS client is at an IPv4 address, in filter-aaaa,
+                  and if the response does not include DNSSEC signatures, 
+                  then all AAAA records are deleted from the response.
+                  This filtering applies to all responses and not only
+                  authoritative responses.
+                
    
+
    
+                  If break-dnssec,
+                  then AAAA records are deleted even when dnssec is enabled.
+                  As suggested by the name, this makes the response not verify,
+                  because the DNSSEC protocol is designed detect deletions.
+                
    
+
    
+                  This mechanism can erroneously cause other servers to 
+                  not give AAAA records to their clients.  
+                  A recursing server with both IPv6 and IPv4 network connections
+                  that queries an authoritative server using this mechanism
+                  via IPv4 will be denied AAAA records even if its client is
+                  using IPv6.
+                
    
+
    
+                  This mechanism is applied to authoritative as well as
+                  non-authoritative records.
+                  A client using IPv4 that is not allowed recursion can
+                  erroneously be given AAAA records because the server is not
+                  allowed to check for A records.
+                
    
+
    
+                  Some AAAA records are given to IPv4 clients in glue records.
+                  IPv4 clients that are servers can then erroneously
+                  answer requests for AAAA records received via IPv4.
+                
    
+
    
 
    ixfr-from-differences
    
 
    
 
    
@@ -3060,13 +3428,23 @@ options {
                   Enable DNSSEC validation in named.
                   Note dnssec-enable also needs to be
                   set to yes to be effective.
-                  The default is yes.
+                  If set to no, DNSSEC validation
+                  is disabled.  If set to auto,
+                  DNSSEC validation is enabled, and a default
+                  trust-anchor for the DNS root zone is used.  If set to
+                  yes, DNSSEC validation is enabled,
+                  but a trust anchor must be manually configured using
+                  a trusted-keys or
+                  managed-keys statement.  The default
+                  is yes.
                 
    
 
    dnssec-accept-expired
    
 
    
                   Accept expired signatures when verifying DNSSEC signatures.
                   The default is no.
-                  Setting this option to "yes" leaves named vulnerable to replay attacks.
+                  Setting this option to yes
+                  leaves named vulnerable to
+                  replay attacks.
                 
    
 
    querylog
    
 
    
@@ -3104,6 +3482,14 @@ options {
                   (the owner name ends in IN-ADDR.ARPA, IP6.ARPA, or IP6.INT).
                 
    
 
    
+
    check-dup-records
    
+
    
+                  Check master zones for records that are treated as different
+                  by DNSSEC but are semantically equal in plain DNS.  The
+                  default is to warn.  Other possible
+                  values are fail and
+                  ignore.
+                
    
 
    check-mx
    
 
    
                   Check whether the MX record appears to refer to a IP address.
@@ -3166,26 +3552,86 @@ options {
                   The default is no.
                 
    
 
    update-check-ksk
    
-
    
-                  When regenerating the RRSIGs following a UPDATE
-                  request to a secure zone, check the KSK flag on
-                  the DNSKEY RR to determine if this key should be
-                  used to generate the RRSIG.  This flag is ignored
-                  if there are not DNSKEY RRs both with and without
-                  a KSK.
-                  The default is yes.
-                
    
+
    
+
    
+                  When set to the default value of yes,
+                  check the KSK bit in each key to determine how the key
+                  should be used when generating RRSIGs for a secure zone.
+                
    
+
    
+                  Ordinarily, zone-signing keys (that is, keys without the
+                  KSK bit set) are used to sign the entire zone, while
+                  key-signing keys (keys with the KSK bit set) are only
+                  used to sign the DNSKEY RRset at the zone apex.
+                  However, if this option is set to no,
+                  then the KSK bit is ignored; KSKs are treated as if they
+                  were ZSKs and are used to sign the entire zone.  This is
+                  similar to the dnssec-signzone -z
+                  command line option.
+                
    
+
    
+                  When this option is set to yes, there
+                  must be at least two active keys for every algorithm
+                  represented in the DNSKEY RRset: at least one KSK and one
+                  ZSK per algorithm.  If there is any algorithm for which
+                  this requirement is not met, this option will be ignored
+                  for that algorithm.
+                
    
+
    
+
    dnssec-dnskey-kskonly
    
+
    
+
    
+                  When this option and update-check-ksk
+                  are both set to yes, only key-signing
+                  keys (that is, keys with the KSK bit set) will be used
+                  to sign the DNSKEY RRset at the zone apex.  Zone-signing
+                  keys (keys without the KSK bit set) will be used to sign
+                  the remainder of the zone, but not the DNSKEY RRset.
+                  This is similar to the
+                  dnssec-signzone -x command line option.
+                
    
+
    
+                  The default is no.  If
+                  update-check-ksk is set to
+                  no, this option is ignored.
+                
    
+
    
 
    try-tcp-refresh
    
 
    
                   Try to refresh the zone using TCP if UDP queries fail.
                   For BIND 8 compatibility, the default is
                   yes.
                 
    
+
    dnssec-secure-to-insecure
    
+
    
+
    
+                  Allow a dynamic zone to transition from secure to
+                  insecure (i.e., signed to unsigned) by deleting all
+                  of the DNSKEY records.  The default is no.
+                  If set to yes, and if the DNSKEY RRset
+                  at the zone apex is deleted, all RRSIG and NSEC records
+                  will be removed from the zone as well.
+                
    
+
    
+                  If the zone uses NSEC3, then it is also necessary to
+                  delete the NSEC3PARAM RRset from the zone apex; this will
+                  cause the removal of all corresponding NSEC3 records.
+                  (It is expected that this requirement will be eliminated
+                  in a future release.)
+                
    
+
    
+                  Note that if a zone has been configured with
+                  auto-dnssec maintain and the
+                  private keys remain accessible in the key repository,
+                  then the zone will be automatically signed again the
+                  next time named is started.
+                
    
+
    
 
    
 
    
 
    
 
    
-Forwarding
    
+Forwarding
    
 
    
             The forwarding facility can be used to create a large site-wide
             cache on a few servers, reducing traffic over links to external
@@ -3229,7 +3675,7 @@ options {
 
 
    
 
    
-Dual-stack Servers
    
+Dual-stack Servers
    
 
    
             Dual-stack servers are used as servers of last resort to work
             around
@@ -3422,11 +3868,25 @@ options {
                   from these addresses will not be responded to. The default
                   is none.
                 
    
+
    filter-aaaa
    
+
    
+                  Specifies a list of addresses to which
+                  filter-aaaa-on-v4
+                  is applies.  The default is any.
+                
    
+
    resolver-query-timeout
    
+
    
+                  The amount of time the resolver will spend attempting
+                  to resolve a recursive query before failing.  The
+                  default is 10 and the maximum is
+                  30.  Setting it to 0
+                  will result in the default being used.
+                
    
 
 
 
    
 
    
-Interfaces
    
+Interfaces
    
 
    
             The interfaces and ports that the server will answer queries
             from may be specified using the listen-on option. listen-on takes
@@ -3878,7 +4338,7 @@ avoid-v6-udp-ports {};
 
 
    
 
    
-UDP Port Lists
    
+UDP Port Lists
    
 
    
             use-v4-udp-ports,
             avoid-v4-udp-ports,
@@ -3920,7 +4380,7 @@ avoid-v6-udp-ports { 40000; range 50000 60000; };
 
 
    
 
    
-Operating System Resource Limits
    
+Operating System Resource Limits
    
 
    
             The server's usage of many system resources can be limited.
             Scaled values are allowed when specifying resource limits.  For
@@ -4082,7 +4542,7 @@ avoid-v6-udp-ports { 40000; range 50000 60000; };
 
 
    
 
    
-Periodic Task Intervals
    
+Periodic Task Intervals
    
 
    
 
    cleaning-interval
    
 
    
@@ -4252,20 +4712,26 @@ avoid-v6-udp-ports { 40000; range 50000 60000; };
             their directly connected networks.
           
    
 
    sortlist {
-    { localhost;                                   // IF   the local host
-        { localnets;                               // THEN first fit on the
-            192.168.1/24;                          //   following nets
+    // IF the local host
+    // THEN first fit on the following nets
+    { localhost;
+        { localnets;
+            192.168.1/24;
             { 192.168.2/24; 192.168.3/24; }; }; };
-    { 192.168.1/24;                                // IF   on class C 192.168.1
-        { 192.168.1/24;                            // THEN use .1, or .2 or .3
+    // IF on class C 192.168.1 THEN use .1, or .2 or .3
+    { 192.168.1/24;
+        { 192.168.1/24;
             { 192.168.2/24; 192.168.3/24; }; }; };
-    { 192.168.2/24;                                // IF   on class C 192.168.2
-        { 192.168.2/24;                            // THEN use .2, or .1 or .3
+    // IF on class C 192.168.2 THEN use .2, or .1 or .3
+    { 192.168.2/24;
+        { 192.168.2/24;
             { 192.168.1/24; 192.168.3/24; }; }; };
-    { 192.168.3/24;                                // IF   on class C 192.168.3
-        { 192.168.3/24;                            // THEN use .3, or .1 or .2
+    // IF on class C 192.168.3 THEN use .3, or .1 or .2
+    { 192.168.3/24;
+        { 192.168.3/24;
             { 192.168.1/24; 192.168.2/24; }; }; };
-    { { 192.168.4/24; 192.168.5/24; };             // if .4 or .5, prefer that net
+    // IF .4 or .5 THEN prefer that net
+    { { 192.168.4/24; 192.168.5/24; };
     };
 };
    
 
    
@@ -4456,7 +4922,7 @@ avoid-v6-udp-ports { 40000; range 50000 60000; };
                   Specifies the number of days into the future when
                   DNSSEC signatures automatically generated as a
                   result of dynamic updates (the section called “Dynamic Update”) will expire.  There
-                  is a optional second field which specifies how
+                  is an optional second field which specifies how
                   long before expiry that the signatures will be
                   regenerated.  If not specified, the signatures will
                   be regenerated at 1/4 of base interval.  The second
@@ -4537,30 +5003,46 @@ avoid-v6-udp-ports { 40000; range 50000 60000; };
                 
    
 
    
 
    edns-udp-size
    
-
    
+
    
+
    
                   Sets the advertised EDNS UDP buffer size in bytes
                   to control the size of packets received.
-                  Valid values are 512 to 4096 (values outside this range
+                  Valid values are 1024 to 4096 (values outside this range
                   will be silently adjusted).  The default value
                   is 4096.  The usual reason for setting
                   edns-udp-size to a non-default
                   value is to get UDP answers to pass through broken
                   firewalls that block fragmented packets and/or
                   block UDP packets that are greater than 512 bytes.
-                
    
+                
    
+
    
+                  named will fallback to using 512 bytes
+                  if it get a series of timeout at the initial value.  512
+                  bytes is not being offered to encourage sites to fix their
+                  firewalls.  Small EDNS UDP sizes will result in the
+                  excessive use of TCP.
+                
    
+
 
    max-udp-size
    
-
    
-                  Sets the maximum EDNS UDP message size named will
-                  send in bytes.  Valid values are 512 to 4096 (values outside
-                  this range will be silently adjusted).  The default
+
    
+
    
+                  Sets the maximum EDNS UDP message size
+                  named will send in bytes.
+                  Valid values are 512 to 4096 (values outside this
+                  range will be silently adjusted).  The default
                   value is 4096.  The usual reason for setting
-                  max-udp-size to a non-default value is to get UDP
-                  answers to pass through broken firewalls that
-                  block fragmented packets and/or block UDP packets
-                  that are greater than 512 bytes.
+                  max-udp-size to a non-default
+                  value is to get UDP answers to pass through broken
+                  firewalls that block fragmented packets and/or
+                  block UDP packets that are greater than 512 bytes.
                   This is independent of the advertised receive
                   buffer (edns-udp-size).
-                
    
+                
    
+
    
+                  Setting this to a low value will encourage additional
+                  TCP traffic to the nameserver.
+                
    
+
 
    masterfile-format
    
 
    Specifies
                   the file format of zone files (see
@@ -4705,7 +5187,7 @@ avoid-v6-udp-ports { 40000; range 50000 60000; };
 
    
             Named will attempt to determine if a built-in zone already exists
             or is active (covered by a forward-only forwarding declaration)
-            and will not create a empty zone in that case.
+            and will not create an empty zone in that case.
           
    
 
    
             The current list of empty zones is:
@@ -4873,6 +5355,260 @@ avoid-v6-udp-ports { 40000; range 50000 60000; };
                 
    
 
    
 
+
    
+
    
+Content Filtering
    
+
    
+            BIND 9 provides the ability to filter
+            out DNS responses from external DNS servers containing
+            certain types of data in the answer section.
+            Specifically, it can reject address (A or AAAA) records if
+            the corresponding IPv4 or IPv6 addresses match the given
+            address_match_list of the
+            deny-answer-addresses option.
+            It can also reject CNAME or DNAME records if the "alias"
+            name (i.e., the CNAME alias or the substituted query name
+            due to DNAME) matches the
+            given namelist of the
+            deny-answer-aliases option, where
+            "match" means the alias name is a subdomain of one of
+            the name_list elements.
+            If the optional namelist is specified
+            with except-from, records whose query name
+            matches the list will be accepted regardless of the filter
+            setting.
+            Likewise, if the alias name is a subdomain of the
+            corresponding zone, the deny-answer-aliases
+            filter will not apply;
+            for example, even if "example.com" is specified for
+            deny-answer-aliases,
+          
    
+
    www.example.com. CNAME xxx.example.com.
    
+
    
+            returned by an "example.com" server will be accepted.
+          
    
+
    
+            In the address_match_list of the
+            deny-answer-addresses option, only
+            ip_addr
+            and ip_prefix
+            are meaningful;
+            any key_id will be silently ignored.
+          
    
+
    
+            If a response message is rejected due to the filtering,
+            the entire message is discarded without being cached, and
+            a SERVFAIL error will be returned to the client.
+          
    
+
    
+            This filtering is intended to prevent "DNS rebinding attacks," in
+            which an attacker, in response to a query for a domain name the
+            attacker controls, returns an IP address within your own network or
+            an alias name within your own domain.
+            A naive web browser or script could then serve as an
+            unintended proxy, allowing the attacker
+            to get access to an internal node of your local network
+            that couldn't be externally accessed otherwise.
+            See the paper available at
+            
+            http://portal.acm.org/citation.cfm?id=1315245.1315298
+            
+            for more details about the attacks.
+          
    
+
    
+            For example, if you own a domain named "example.net" and
+            your internal network uses an IPv4 prefix 192.0.2.0/24,
+            you might specify the following rules:
+          
    
+
    deny-answer-addresses { 192.0.2.0/24; } except-from { "example.net"; };
+deny-answer-aliases { "example.net"; };
+
    
+
    
+            If an external attacker lets a web browser in your local
+            network look up an IPv4 address of "attacker.example.com",
+            the attacker's DNS server would return a response like this:
+          
    
+
    attacker.example.com. A 192.0.2.1
    
+
    
+            in the answer section.
+            Since the rdata of this record (the IPv4 address) matches
+            the specified prefix 192.0.2.0/24, this response will be
+            ignored.
+          
    
+
    
+            On the other hand, if the browser looks up a legitimate
+            internal web server "www.example.net" and the
+            following response is returned to
+            the BIND 9 server
+          
    
+
    www.example.net. A 192.0.2.2
    
+
    
+            it will be accepted since the owner name "www.example.net"
+            matches the except-from element,
+            "example.net".
+          
    
+
    
+            Note that this is not really an attack on the DNS per se.
+            In fact, there is nothing wrong for an "external" name to
+            be mapped to your "internal" IP address or domain name
+            from the DNS point of view.
+            It might actually be provided for a legitimate purpose,
+            such as for debugging.
+            As long as the mapping is provided by the correct owner,
+            it is not possible or does not make sense to detect
+            whether the intent of the mapping is legitimate or not
+            within the DNS.
+            The "rebinding" attack must primarily be protected at the
+            application that uses the DNS.
+            For a large site, however, it may be difficult to protect
+            all possible applications at once.
+            This filtering feature is provided only to help such an
+            operational environment;
+            it is generally discouraged to turn it on unless you are
+            very sure you have no other choice and the attack is a
+            real threat for your applications.
+          
    
+
    
+            Care should be particularly taken if you want to use this
+            option for addresses within 127.0.0.0/8.
+            These addresses are obviously "internal", but many
+            applications conventionally rely on a DNS mapping from
+            some name to such an address.
+            Filtering out DNS records containing this address
+            spuriously can break such applications.
+          
    
+
    
+
    
+
    
+Response Policy Zone (RPZ) Rewriting
    
+
    
+            BIND 9 includes an intentionally limited
+            mechanism to modify DNS responses for recursive requests
+            similar to email anti-spam DNS blacklists.
+            All response policy zones are named in the
+            response-policy option for the view or among the
+            global options if there is no response-policy option for the view.
+          
    
+
    
+            The rules encoded in a response policy zone (RPZ) are applied
+            only to responses to queries that ask for recursion (RD=1).
+            RPZs are normal DNS zones containing RRsets
+            that can be queried normally if allowed.
+            It is usually best to restrict those queries with something like
+            allow-query {none; }; or
+            allow-query { 127.0.0.1; };.
+          
    
+
    
+            There are four kinds of RPZ rewrite rules.  QNAME rules are
+            applied to query names in requests and to targets of CNAME
+            records resolved in the process of generating the response.
+            The owner name of a QNAME rule is the query name relativized
+            to the RPZ.
+            The records in a rewrite rule are usually A, AAAA, or special
+            CNAMEs, but can be any type except DNAME.
+          
    
+
    
+            IP rules are triggered by addresses in A and AAAA records.
+            All IP addresses in A or AAAA RRsets are tested and the rule
+            longest prefix is applied.  Ties between rules with equal prefixes
+            are broken in favor of the first RPZ mentioned in the
+            response-policy option.
+            The rule matching the smallest IP address is chosen among equal
+            prefix rules from a single RPZ.
+            IP rules are expressed in RRsets with owner names that are
+            subdomains of rpz-ip and encoding an IP address block, reversed
+            as in IN-ARPA.
+            prefix.B.B.B.B with prefix between 1 and 32 and B between 1 and 255
+            encodes an IPv4 address.
+            IPv6 addresses are encoded by with prefix.W.W.W.W.W.W.W.W or
+            prefix.WORDS.zz.WORDS.  The words in the standard IPv6 text
+            representation are reversed, "::" is replaced with ".zz.",
+            and ":" becomes ".".
+          
    
+
    
+            NSDNAME rules match names in NS RRsets for the response or a
+            parent.  They are encoded as subdomains of rpz-nsdomain relativized
+            to the RPZ origin name.
+          
    
+
    
+            NSIP rules match IP addresses in A and AAAA RRsets for names of
+            responsible servers or the names that can be matched by NSDNAME
+            rules.  The are encoded like IP rules except as subdomains of
+            rpz-nsip.
+          
    
+
    
+            Authority verification issues and variations in authority data in
+            the current version of BIND 9 can cause
+            inconsistent results from NSIP and NSDNAME.  So they are available
+            only when BIND is built with the
+            --enable-rpz-nsip or
+            --enable-rpz-nsdname options
+            on the "configure" command line.
+          
    
+
    
+            Four policies can be expressed.
+            The NXDOMAIN policy causes a NXDOMAIN response
+            and is expressed with an RRset consisting of a single CNAME
+            whose target is the root domain (.).
+            NODATA generates NODATA or ANCOUNT=1 regardless
+            of query type.
+            It is expressed with a CNAME whose target is the wildcard
+            top-level domain (*.).
+            The NO-OP policy does not change the response
+            and is used to "poke holes" in policies for larger CIDR blocks or in
+            zones named later in the response-policy option.
+            The NO-OP policy is expressed by a CNAME with a target consisting
+            of the variable part of the owner name, such as "example.com." for
+            a QNAME rule or "128.1.0.0.127." for an IP rule.
+            The CNAME policy is used to replace the RRsets
+            of response.
+            A and AAAA RRsets are most common and useful to capture
+            an evil domain in a walled garden, but any valid set of RRsets
+            is possible.
+          
    
+
    
+            All of the policies in an RPZ can be overridden with a
+            policy clause.
+            given says "do not override."
+            no-op says "do nothing" regardless of the policy
+            in RPZ records.
+            nxdomain causes all RPZ rules to generate
+            NXDOMAIN results.
+            nodata gives nodata.
+            cname domain causes all RPZ rules to act as if
+            the consisted of a "cname domain" record.
+          
    
+
    
+            For example, you might use this option statement
+          
    
+
    response-policy { zone "bl"; };
    
+
    
+            and this zone statement
+          
    
+
    zone "bl" {type master; file "example/bl"; allow-query {none;}; };
    
+
    
+            with this zone file
+          
    
+
    $TTL 1H
+@                   SOA LOCALHOST. named-mgr.example.com (1 1h 15m 30d 2h)
+
+; QNAME rules
+nxdomain.domain.com         CNAME   .
+nodata.domain.com           CNAME   *.
+bad.domain.com              A       10.0.0.1
+                            AAAA    2001:2::1
+ok.domain.com               CNAME   ok.domain.com.
+*.badzone.domain.com        CNAME   garden.example.com.
+
+; IP rules rewriting all answers for 127/8 except 127.0.0.1
+8.0.0.0.127.ip              CNAME   .
+32.1.0.0.127.ip             CNAME   32.1.0.0.127.
+
+; NSDNAME and NSIP rules
+ns.domain.com.rpz-nsdname   CNAME   .
+48.zz.2.2001.rpz-nsip       CNAME   .
+
    
+
    
 
 
    
 
    
@@ -4891,8 +5627,10 @@ avoid-v6-udp-ports { 40000; range 50000 60000; };
     [ transfer-source-v6 (ip6_addr | *) [port ip_port] ; ]
     [ notify-source (ip4_addr | *) [port ip_port] ; ]
     [ notify-source-v6 (ip6_addr | *) [port ip_port] ; ]
-    [ query-source [ address ( ip_addr | * ) ] [ port ( ip_port | * ) ]; ]
-    [ query-source-v6 [ address ( ip_addr | * ) ] [ port ( ip_port | * ) ]; ]
+    [ query-source [ address ( ip_addr | * ) ]
+                  [ port ( ip_port | * ) ]; ]
+    [ query-source-v6 [ address ( ip_addr | * ) ]
+                     [ port ( ip_port | * ) ]; ]
     [ use-queryport-pool yes_or_no; ]
     [ queryport-pool-ports number; ]
     [ queryport-pool-updateinterval number; ]
@@ -5072,14 +5810,15 @@ avoid-v6-udp-ports { 40000; range 50000 60000; };
 
    
 statistics-channels Statement Grammar
    
 
    statistics-channels {
-   [ inet ( ip_addr | * ) [ port ip_port ] [allow {  address_match_list  } ]; ]
+   [ inet ( ip_addr | * ) [ port ip_port ]
+   [ allow {  address_match_list  } ]; ]
    [ inet ...; ]
 };
 
    
 
    
 
    
 
    
-statistics-channels Statement Definition and
+statistics-channels Statement Definition and
             Usage
    
 
    
           The statistics-channels statement
@@ -5130,7 +5869,7 @@ avoid-v6-udp-ports { 40000; range 50000 60000; };
 
    
 
    
 
    
-trusted-keys Statement Grammar
    
+trusted-keys Statement Grammar
    
 
    trusted-keys {
     string number number number string ;
     [ string number number number string ; [...]]
@@ -5139,7 +5878,7 @@ avoid-v6-udp-ports { 40000; range 50000 60000; };
 
    
 
    
 
    
-trusted-keys Statement Definition
+trusted-keys Statement Definition
             and Usage
    
 
    
             The trusted-keys statement defines
@@ -5169,6 +5908,135 @@ avoid-v6-udp-ports { 40000; range 50000 60000; };
             in the key data, so the configuration may be split up into
             multiple lines.
           
    
+
    
+            trusted-keys may be set at the top level
+            of named.conf or within a view.  If it is
+            set in both places, they are additive: keys defined at the top
+            level are inherited by all views, but keys defined in a view
+            are only used within that view.
+          
    
+
    
+
    
+
    
+managed-keys Statement Grammar
    
+
    managed-keys {
+    string initial-key number number number string ;
+    [ string initial-key number number number string ; [...]]
+};
+
    
+
    
+
    
+
    
+managed-keys Statement Definition
+            and Usage
    
+
    
+            The managed-keys statement, like 
+            trusted-keys, defines DNSSEC
+            security roots.  The difference is that
+            managed-keys can be kept up to date
+            automatically, without intervention from the resolver
+            operator.
+          
    
+
    
+            Suppose, for example, that a zone's key-signing
+            key was compromised, and the zone owner had to revoke and
+            replace the key.  A resolver which had the old key in a
+            trusted-keys statement would be
+            unable to validate this zone any longer; it would
+            reply with a SERVFAIL response code.  This would
+            continue until the resolver operator had updated the
+            trusted-keys statement with the new key.
+          
    
+
    
+            If, however, the zone were listed in a
+            managed-keys statement instead, then the
+            zone owner could add a "stand-by" key to the zone in advance.
+            named would store the stand-by key, and
+            when the original key was revoked, named
+            would be able to transition smoothly to the new key.  It would
+            also recognize that the old key had been revoked, and cease
+            using that key to validate answers, minimizing the damage that
+            the compromised key could do.
+          
    
+
    
+            A managed-keys statement contains a list of
+            the keys to be managed, along with information about how the
+            keys are to be initialized for the first time.  The only
+            initialization method currently supported (as of
+            BIND 9.7.0) is initial-key.
+            This means the managed-keys statement must
+            contain a copy of the initializing key.  (Future releases may
+            allow keys to be initialized by other methods, eliminating this
+            requirement.)
+          
    
+
    
+            Consequently, a managed-keys statement
+            appears similar to a trusted-keys, differing
+            in the presence of the second field, containing the keyword
+            initial-key.  The difference is, whereas the
+            keys listed in a trusted-keys continue to be
+            trusted until they are removed from
+            named.conf, an initializing key listed 
+            in a managed-keys statement is only trusted
+            once: for as long as it takes to load the
+            managed key database and start the RFC 5011 key maintenance
+            process.
+          
    
+
    
+            The first time named runs with a managed key
+            configured in named.conf, it fetches the
+            DNSKEY RRset directly from the zone apex, and validates it
+            using the key specified in the managed-keys
+            statement.  If the DNSKEY RRset is validly signed, then it is
+            used as the basis for a new managed keys database.
+          
    
+
    
+            From that point on, whenever named runs, it
+            sees the managed-keys statement, checks to
+            make sure RFC 5011 key maintenance has already been initialized
+            for the specified domain, and if so, it simply moves on.  The
+            key specified in the managed-keys is not
+            used to validate answers; it has been superseded by the key or
+            keys stored in the managed keys database.
+          
    
+
    
+            The next time named runs after a name
+            has been removed from the
+            managed-keys statement, the corresponding
+            zone will be removed from the managed keys database,
+            and RFC 5011 key maintenance will no longer be used for that
+            domain.
+          
    
+
    
+            named only maintains a single managed keys
+            database; consequently, unlike trusted-keys,
+            managed-keys may only be set at the top
+            level of named.conf, not within a view.
+          
    
+
    
+            In the current implementation, the managed keys database is
+            stored as a master-format zone file called
+            managed-keys.bind.  When the key database
+            is changed, the zone is updated.  As with any other dynamic
+            zone, changes will be written into a journal file,
+            managed-keys.bind.jnl.  They are committed
+            to the master file as soon as possible afterward; in the case
+            of the managed key database, this will usually occur within 30
+            seconds.  So, whenever named is using
+            automatic key maintenance, those two files can be expected to
+            exist in the working directory.  (For this reason among others,
+            the working directory should be always be writable by
+            named.)
+          
    
+
    
+            If the dnssec-lookaside option is
+            set to auto, named
+            will automatically initialize a managed key for the
+            zone dlv.isc.org.  The key that is
+            used to initialize the key maintenance process is built
+            into named, and can be overridden
+            from bindkeys-file.
+          
    
 
    
 
    
 
    
@@ -5185,7 +6053,7 @@ avoid-v6-udp-ports { 40000; range 50000 60000; };
 
    
 
    
 
    
-view Statement Definition and Usage
    
+view Statement Definition and Usage
    
 
    
             The view statement is a powerful
             feature
@@ -5274,11 +6142,12 @@ avoid-v6-udp-ports { 40000; range 50000 60000; };
       // This should match our internal networks.
       match-clients { 10.0.0.0/8; };
 
-      // Provide recursive service to internal clients only.
+      // Provide recursive service to internal
+      // clients only.
       recursion yes;
 
-      // Provide a complete view of the example.com zone
-      // including addresses of internal hosts.
+      // Provide a complete view of the example.com
+      // zone including addresses of internal hosts.
       zone "example.com" {
             type master;
             file "example-internal.db";
@@ -5286,14 +6155,15 @@ avoid-v6-udp-ports { 40000; range 50000 60000; };
 };
 
 view "external" {
-      // Match all clients not matched by the previous view.
+      // Match all clients not matched by the
+      // previous view.
       match-clients { any; };
 
       // Refuse recursive service to external clients.
       recursion no;
 
-      // Provide a restricted view of the example.com zone
-      // containing only publicly accessible hosts.
+      // Provide a restricted view of the example.com
+      // zone containing only publicly accessible hosts.
       zone "example.com" {
            type master;
            file "example-external.db";
@@ -5311,8 +6181,9 @@ view "external" {
     [ allow-query-on { address_match_list }; ]
     [ allow-transfer { address_match_list }; ]
     [ allow-update { address_match_list }; ]
-    [ update-policy { update_policy_rule [...] }; ]
-    [ also-notify { ip_addr [port ip_port] ; [ ip_addr [port ip_port] ; ... ] }; ]
+    [ update-policy local | { update_policy_rule [...] }; ]
+    [ also-notify { ip_addr [port ip_port] ;
+                  [ ip_addr [port ip_port] ; ... ] }; ]
     [ check-names (warn|fail|ignore) ; ]
     [ check-mx (warn|fail|ignore) ; ]
     [ check-wildcard yes_or_no; ]
@@ -5348,6 +6219,7 @@ view "external" {
     [ min-retry-time number ; ]
     [ max-retry-time number ; ]
     [ key-directory path_name; ]
+    [ auto-dnssec allow|maintain|create|off; ]
     [ zero-no-soa-ttl yes_or_no ; ]
 };
 
@@ -5359,8 +6231,11 @@ zone zone_name [ allow-transfer { address_match_list }; ]
     [ allow-update-forwarding { address_match_list }; ]
     [ update-check-ksk yes_or_no; ]
+    [ dnssec-dnskey-kskonly yes_or_no; ]
+    [ dnssec-secure-to-insecure yes_or_no ; ]
     [ try-tcp-refresh yes_or_no; ]
-    [ also-notify { ip_addr [port ip_port] ; [ ip_addr [port ip_port] ; ... ] }; ]
+    [ also-notify { ip_addr [port ip_port] ;
+                  [ ip_addr [port ip_port] ; ... ] }; ]
     [ check-names (warn|fail|ignore) ; ]
     [ dialup dialup_option ; ]
     [ file string ; ]
@@ -5373,7 +6248,9 @@ zone zone_name [ ixfr-from-differences yes_or_no; ]
     [ ixfr-tmp-file string ; ]
     [ maintain-ixfr-base yes_or_no ; ]
-    [ masters [port ip_port] { ( masters_list | ip_addr [port ip_port] [key key] ) ; [...] }; ]
+    [ masters [port ip_port] { ( masters_list | ip_addr
+                              [port ip_port]
+                              [key key] ) ; [...] }; ]
     [ max-ixfr-log-size number ; ]
     [ max-transfer-idle-in number ; ]
     [ max-transfer-idle-out number ; ]
@@ -5386,7 +6263,8 @@ zone zone_name [ transfer-source (ip4_addr | *) [port ip_port] ; ]
     [ transfer-source-v6 (ip6_addr | *) [port ip_port] ; ]
     [ alt-transfer-source (ip4_addr | *) [port ip_port] ; ]
-    [ alt-transfer-source-v6 (ip6_addr | *) [port ip_port] ; ]
+    [ alt-transfer-source-v6 (ip6_addr | *)
+                             [port ip_port] ; ]
     [ use-alt-transfer-source yes_or_no; ]
     [ notify-source (ip4_addr | *) [port ip_port] ; ]
     [ notify-source-v6 (ip6_addr | *) [port ip_port] ; ]
@@ -5404,7 +6282,7 @@ zone zone_name [string ;
     [ delegation-only yes_or_no ; ]
-    [ check-names (warn|fail|ignore) ; // Not Implemented. ]
+    [ check-names (warn|fail|ignore) ; ] // Not Implemented.
 };
 
 zone zone_name [class] {
@@ -5418,14 +6296,18 @@ zone zone_name [ masterfile-format (text|raw) ; ]
     [ forward (only|first) ; ]
     [ forwarders { [ ip_addr [port ip_port] ; ... ] }; ]
-    [ masters [port ip_port] { ( masters_list | ip_addr [port ip_port] [key key] ) ; [...] }; ]
+    [ masters [port ip_port] { ( masters_list | ip_addr
+                              [port ip_port]
+                              [key key] ) ; [...] }; ]
     [ max-transfer-idle-in number ; ]
     [ max-transfer-time-in number ; ]
     [ pubkey number number number string ; ]
     [ transfer-source (ip4_addr | *) [port ip_port] ; ]
-    [ transfer-source-v6 (ip6_addr | *) [port ip_port] ; ]
+    [ transfer-source-v6 (ip6_addr | *)
+                         [port ip_port] ; ]
     [ alt-transfer-source (ip4_addr | *) [port ip_port] ; ]
-    [ alt-transfer-source-v6 (ip6_addr | *) [port ip_port] ; ]
+    [ alt-transfer-source-v6 (ip6_addr | *)
+                            [port ip_port] ; ]
     [ use-alt-transfer-source yes_or_no; ]
     [ zone-statistics yes_or_no ; ]
     [ database string ; ]
@@ -5437,6 +6319,14 @@ zone zone_name [zone_name [class] {
+    type static-stub;
+    [ allow-query { address_match_list }; ]
+    [ server-addresses { [ ip_addr ; ... ] }; ]
+    [ server-names { [ namelist ] }; ]  
+    [ zone-statistics yes_or_no ; ]
+};
+
+zone zone_name [class] {
     type forward;
     [ forward (only|first) ; ]
     [ forwarders { [ ip_addr [port ip_port] ; ... ] }; ]
@@ -5451,10 +6341,10 @@ zone zone_name [
 
    
 
    
-zone Statement Definition and Usage
    
+zone Statement Definition and Usage
    
 
    
 
    
-Zone Types
    
+Zone Types
    
 
    @@ -5583,6 +6473,55 @@ zone zone_name [
 
+
+
+
+
@@ -5665,7 +6604,7 @@ zone zone_name [
 
    
 
    
-Class
    
+Class
    
 
    
               The zone's name may optionally be followed by a class. If
               a class is not specified, class IN (for Internet),
@@ -5687,7 +6626,7 @@ zone zone_name [
 
    
 
    
-Zone Options
    
+Zone Options
    
 
    
 
    allow-notify
    
 
    
@@ -5752,6 +6691,7 @@ zone zone_name [master zones the default is fail.  For slave
                     zones the default is warn.
+                    It is not implemented for hint zones.
                   
    
 
    check-mx
    
 
    
@@ -5783,6 +6723,11 @@ zone zone_name [update-check-ksk in the section called “Boolean Options”.
                   
    
+
    dnssec-dnskey-kskonly
    
+
    
+                    See the description of
+                    dnssec-dnskey-kskonly in the section called “Boolean Options”.
+                  
    
 
    try-tcp-refresh
    
 
    
                     See the description of
@@ -5926,6 +6871,78 @@ zone zone_name [statistics-file defined in
                     the server options.
                   
    
+
    server-addresses
    
+
    
+
    
+                    Only meaningful for static-stub zones.
+                    This is a list of IP addresses to which queries
+                    should be sent in recursive resolution for the
+                    zone.
+                    A non empty list for this option will internally
+                    configure the apex NS RR with associated glue A or
+                    AAAA RRs.
+                  
    
+
    
+                    For example, if "example.com" is configured as a
+                    static-stub zone with 192.0.2.1 and 2001:db8::1234
+                    in a server-addresses option,
+                    the following RRs will be internally configured.
+                  
    
+
    example.com. NS example.com.
+example.com. A 192.0.2.1
+example.com. AAAA 2001:db8::1234
    
+
    
+                    These records are internally used to resolve
+                    names under the static-stub zone.
+                    For instance, if the server receives a query for
+                    "www.example.com" with the RD bit on, the server
+                    will initiate recursive resolution and send
+                    queries to 192.0.2.1 and/or 2001:db8::1234.
+                  
    
+
    
+
    server-names
    
+
    
+
    
+                    Only meaningful for static-stub zones.
+                    This is a list of domain names of nameservers that
+                    act as authoritative servers of the static-stub
+                    zone.
+                    These names will be resolved to IP addresses when
+                    named needs to send queries to
+                    these servers.
+                    To make this supplemental resolution successful,
+                    these names must not be a subdomain of the origin
+                    name of static-stub zone.
+                    That is, when "example.net" is the origin of a
+                    static-stub zone, "ns.example" and
+                    "master.example.com" can be specified in the
+                    server-names option, but
+                    "ns.example.net" cannot, and will be rejected by
+                    the configuration parser.
+                  
    
+
    
+                    A non empty list for this option will internally
+                    configure the apex NS RR with the specified names.
+                    For example, if "example.com" is configured as a
+                    static-stub zone with "ns1.example.net" and
+                    "ns2.example.net"
+                    in a server-names option,
+                    the following RRs will be internally configured.
+                  
    
+
    example.com. NS ns1.example.net.
+example.com. NS ns2.example.net.
+
    
+
    
+                    These records are internally used to resolve
+                    names under the static-stub zone.
+                    For instance, if the server receives a query for
+                    "www.example.com" with the RD bit on, the server
+                    initiate recursive resolution,
+                    resolve "ns1.example.net" and/or
+                    "ns2.example.net" to IP addresses, and then send
+                    queries to (one or more of) these addresses.
+                  
    
+
    
 
    sig-validity-interval
    
 
    
                     See the description of
@@ -6003,6 +7020,48 @@ zone zone_name [the section called “options Statement Definition and
           Usage”.
                   
    
+
    auto-dnssec
    
+
    
+
    
+                    Zones configured for dynamic DNS may also use this
+                    option to allow varying levels of automatic DNSSEC key
+                    management. There are four possible settings:
+                  
    
+
    
+                    auto-dnssec allow; permits
+                    keys to be updated and the zone fully re-signed
+                    whenever the user issues the command rndc sign
+                    zonename.
+                  
    
+
    
+                    auto-dnssec maintain; includes the
+                    above, but also automatically adjusts the zone's DNSSEC
+                    keys on schedule, according to the keys' timing metadata
+                    (see dnssec-keygen(8) and
+                    dnssec-settime(8)).  The command
+                    rndc sign
+                    zonename causes
+                    named to load keys from the key
+                    repository and sign the zone with all keys that are
+                    active. 
+                    rndc loadkeys
+                    zonename causes
+                    named to load keys from the key
+                    repository and schedule key maintenance events to occur
+                    in the future, but it does not sign the full zone
+                    immediately.
+                  
    
+
    
+                    auto-dnssec create; includes the
+                    above, but also allows named
+                    to create new keys in the key repository when needed.
+                    (NOTE: This option is not yet implemented; the syntax is
+                    being reserved for future use.)
+                  
    
+
    
+                    The default setting is auto-dnssec off.
+                  
    
+
    
 
    multi-master
    
 
    
                     See the description of multi-master in
@@ -6013,6 +7072,11 @@ zone zone_name [masterfile-format
                     in the section called “Tuning”.
                   
    
+
    dnssec-secure-to-insecure
    
+
    
+                    See the description of
+                    dnssec-secure-to-insecure in the section called “Boolean Options”.
+                  
    
 
    
 
 
    
@@ -6031,15 +7095,14 @@ zone zone_name [
 
    
-              The update-policy clause is new
-              in BIND 9 and allows more fine-grained
-              control over what updates are allowed.  A set of rules
-              is specified, where each rule either grants or denies
-              permissions for one or more names to be updated by
-              one or more identities.  If the dynamic update request
-              message is signed (that is, it includes either a TSIG
-              or SIG(0) record), the identity of the signer can be
-              determined.
+              The update-policy clause
+              allows more fine-grained control over what updates are
+              allowed.  A set of rules is specified, where each rule
+              either grants or denies permissions for one or more
+              names to be updated by one or more identities.  If
+              the dynamic update request message is signed (that is,
+              it includes either a TSIG or SIG(0) record), the
+              identity of the signer can be determined.
             
    
 
    
               Rules are specified in the update-policy
@@ -6052,20 +7115,47 @@ zone zone_name [
 
    
-              This is how a rule definition looks:
+              There is a pre-defined update-policy
+              rule which can be switched on with the command
+              update-policy local;.
+              Switching on this rule in a zone causes
+              named to generate a TSIG session
+              key and place it in a file, and to allow that key
+              to update the zone.  (By default, the file is
+              /var/run/named/session.key, the key
+              name is "local-ddns" and the key algorithm is HMAC-SHA256,
+              but these values are configurable with the
+              session-keyfile,
+              session-keyname and
+              session-keyalg options, respectively).
+            
    
+
    
+              A client running on the local system, and with appropriate
+              permissions, may read that file and use the key to sign update
+              requests.  The zone's update policy will be set to allow that
+              key to change any record within the zone.  Assuming the
+              key name is "local-ddns", this policy is equivalent to:
+            
    
+
    update-policy { grant local-ddns zonesub any; };
+            
    
+
    
+              The command nsupdate -l sends update
+              requests to localhost, and signs them using the session key.
+            
    
+
    
+              Other rule definitions look like this:
             
    
 
    -( grant | deny ) identity nametype name [ types ]
+( grant | deny ) identity nametype [ name ] [ types ]
 
    
 
    
               Each rule grants or denies privileges.  Once a message has
               successfully matched a rule, the operation is immediately
-              granted
-              or denied and no further rules are examined.  A rule is matched
-              when the signer matches the identity field, the name matches the
-              name field in accordance with the nametype field, and the type
-              matches
-              the types specified in the type field.
+              granted or denied and no further rules are examined.  A rule
+              is matched when the signer matches the identity field, the
+              name matches the name field in accordance with the nametype
+              field, and the type matches the types specified in the type
+              field.
             
    
 
    
               No signer is required for tcp-self
@@ -6091,7 +7181,7 @@ zone zone_name [
 
    
-              The nametype field has 12
+              The nametype field has 13
               values:
               name, subdomain,
               wildcard, self,
@@ -6099,7 +7189,8 @@ zone zone_name [krb5-self, ms-self,
               krb5-subdomain,
               ms-subdomain,
-              tcp-self and 6to4-self.
+              tcp-self, 6to4-self,
+              zonesub, and external.
             
    
 
    
 
 

    
                       
    
+                        static-stub
+                      
    
+                        		
+                      
    
+                        A static-stub zone is similar to a stub zone
+                        with the following exceptions:
+                        the zone data is statically configured, rather
+                        than transferred from a master server;
+                        when recursion is necessary for a query that
+                        matches a static-stub zone, the locally
+                        configured data (nameserver names and glue addresses)
+                        is always used even if different authoritative
+                        information is cached.
+                      
    
+                      
    
+                        Zone data is configured via the
+                        server-addresses and
+                        server-names zone options.
+                      
    
+                      
    
+                        The zone data is maintained in the form of NS
+                        and (if necessary) glue A or AAAA RRs
+                        internally, which can be seen by dumping zone
+                        databases by rndc dumpdb -all.
+                        The configured RRs are considered local configuration
+                        parameters rather than public data.
+                        Non recursive queries (i.e., those with the RD
+                        bit off) to a static-stub zone are therefore
+                        prohibited and will be responded with REFUSED.
+                      
    
+                      
    
+                        Since the data is statically configured, no
+                        zone maintenance action takes place for a static-stub
+                        zone.
+                        For example, there is no periodic refresh
+                        attempt, and an incoming notify message
+                        will be rejected with an rcode of NOTAUTH.
+                      
    
+                      
    
+                        Each static-stub zone is configured with
+                        internally generated NS and (if necessary)
+                        glue A or AAAA RRs 
+                      
    
+                    
    
+                      
    
                         forward
                       
    
                     
    @@ -6140,6 +7231,29 @@ zone zone_name [
 
+
+
+
+
@@ -6233,7 +7347,7 @@ zone zone_name [
                       
    
                         Allow the 6to4 prefix to be update by any TCP
-                        conection from the 6to4 network or from the
+                        connection from the 6to4 network or from the
                         corresponding IPv4 address.  This is intended
                         to allow NS or DNAME RRsets to be added to the
                         reverse tree.
@@ -6245,12 +7359,55 @@ zone zone_name [
                     
 
    
+
+
+
+
    
 

    
                       
    
+                        zonesub
+                      
    
+                        		
+                      
    
+                        This rule is similar to subdomain, except that
+                        it matches when the name being updated is a
+                        subdomain of the zone in which the
+                        update-policy statement
+                        appears.  This obviates the need to type the zone
+                        name twice, and enables the use of a standard
+                        update-policy statement in
+                        multiple zones without modification.
+                      
    
+                      
    
+                        When this rule is used, the
+                        name field is omitted.
+                      
    
+                    
    
+                      
    
                         wildcard
                       
    
                     
    
+                      
    
+                        external
+                      
    
+                        		
+                      
    
+                        This rule allows named
+                        to defer the decision of whether to allow a
+                        given update to an external daemon.
+                      
    
+                      
    
+                        The method of communicating with the daemon is
+                        specified in the identity
+                        field, the format of which is
+                        "local:path",
+                        where path is the location
+                        of a UNIX-domain socket.  (Currently, "local" is the
+                        only supported mechanism.)
+                      
    
+                      
    
+                        Requests to the external daemon are sent over the
+                        UNIX-domain socket as datagrams with the following
+                        format:
+                      
    
+                      
    +   Protocol version number (4 bytes, network byte order, currently 1)
+   Request length (4 bytes, network byte order)
+   Signer (null-terminated string)
+   Name (null-terminated string)
+   TCP source address (null-terminated string)
+   Rdata type (null-terminated string)
+   Key (null-terminated string)
+   TKEY token length (4 bytes, network byte order)
+   TKEY token (remainder of packet)
    
+                      
    
+                        The daemon replies with a four-byte value in
+                        network byte order, containing either 0 or 1; 0
+                        indicates that the specified update is not
+                        permitted, and 1 indicates that it is.
+                      
    
+                    
    
     
 
    
 
    
               In all cases, the name
-              field must
-              specify a fully-qualified domain name.
+              field must specify a fully-qualified domain name.
             
    
 
    
               If no types are explicitly specified, this rule matches
@@ -6266,7 +7423,7 @@ zone zone_name [
 
    
 
    
-Zone File
    
+Zone File
    
 
    
 
    
 Types of Resource Records and When to Use Them
    
@@ -6279,7 +7436,7 @@ zone zone_name [
 
    
 
    
-Resource Records
    
+Resource Records
    
 
    
               A domain name identifies a node.  Each node has a set of
               resource information, which may be empty.  The set of resource
@@ -7016,7 +8173,7 @@ zone zone_name [
 
    
 
    
-Textual expression of RRs
    
+Textual expression of RRs
    
 
    
               RRs are represented in binary form in the packets of the DNS
               protocol, and are usually represented in highly encoded form
@@ -7219,7 +8376,7 @@ zone zone_name [
 
    
 
    
-Discussion of MX Records
    
+Discussion of MX Records
    
 
    
             As described above, domain servers store information as a
             series of resource records, each of which contains a particular
@@ -7475,7 +8632,7 @@ zone zone_name [
 
    
 
    
-Inverse Mapping in IPv4
    
+Inverse Mapping in IPv4
    
 
    
             Reverse name resolution (that is, translation from IP address
             to name) is achieved by means of the in-addr.arpa domain
@@ -7536,7 +8693,7 @@ zone zone_name [
 
    
 
    
-Other Zone File Directives
    
+Other Zone File Directives
    
 
    
             The Master File Format was initially defined in RFC 1035 and
             has subsequently been extended. While the Master File Format
@@ -7551,7 +8708,7 @@ zone zone_name [
 
    
 
    
-The @ (at-sign)
    
+The @ (at-sign)
    
 
    
               When used in the label (or name) field, the asperand or
               at-sign (@) symbol represents the current origin.
@@ -7562,7 +8719,7 @@ zone zone_name [
 
    
 
    
-The $ORIGIN Directive
    
+The $ORIGIN Directive
    
 
    
               Syntax: $ORIGIN
               domain-name
@@ -7591,7 +8748,7 @@ WWW.EXAMPLE.COM. CNAME MAIN-SERVER.EXAMPLE.COM.
 
 
    
 
    
-The $INCLUDE Directive
    
+The $INCLUDE Directive
    
 
    
               Syntax: $INCLUDE
               filename
@@ -7627,7 +8784,7 @@ WWW.EXAMPLE.COM. CNAME MAIN-SERVER.EXAMPLE.COM.
 
 
    
 
    
-The $TTL Directive
    
+The $TTL Directive
    
 
    
               Syntax: $TTL
               default-ttl
@@ -7646,7 +8803,7 @@ WWW.EXAMPLE.COM. CNAME MAIN-SERVER.EXAMPLE.COM.
 
 
    
 
    
-BIND Master File Extension: the  $GENERATE Directive
    
+BIND Master File Extension: the  $GENERATE Directive
    
 
    
             Syntax: $GENERATE
             range
@@ -7666,7 +8823,7 @@ WWW.EXAMPLE.COM. CNAME MAIN-SERVER.EXAMPLE.COM.
             Classless IN-ADDR.ARPA delegation.
           
    
 
    $ORIGIN 0.0.192.IN-ADDR.ARPA.
-$GENERATE 1-2 0 NS SERVER$.EXAMPLE.
+$GENERATE 1-2 @ NS SERVER$.EXAMPLE.
 $GENERATE 1-127 $ CNAME $.0
    
 
    
             is equivalent to
@@ -7678,6 +8835,28 @@ $GENERATE 1-127 $ CNAME $.0
    
 ...
 127.0.0.192.IN-ADDR.ARPA. CNAME 127.0.0.0.192.IN-ADDR.ARPA.
 
    
+
    
+            Generate a set of A and MX records.  Note the MX's right hand
+            side is a quoted string.  The quotes will be stripped when the
+            right hand side is processed.
+           
    
+
    +$ORIGIN EXAMPLE.
+$GENERATE 1-127 HOST-$ A 1.2.3.$
+$GENERATE 1-127 HOST-$ MX "0 ."
    
+
    
+            is equivalent to
+          
    
+
    HOST-1.EXAMPLE.   A  1.2.3.1
+HOST-1.EXAMPLE.   MX 0 .
+HOST-2.EXAMPLE.   A  1.2.3.2
+HOST-2.EXAMPLE.   MX 0 .
+HOST-3.EXAMPLE.   A  1.2.3.3
+HOST-3.EXAMPLE.   MX 0 .
+...
+HOST-127.EXAMPLE. A  1.2.3.127
+HOST-127.EXAMPLE. MX 0 .
+
    
 
    @@ -7728,8 +8907,10 @@ $GENERATE 1-127 $ CNAME $.0
 
                       Available output forms are decimal
                       (d), octal
-                      (o) and hexadecimal
+                      (o), hexadecimal
                       (x or X
+                      for uppercase) and nibble
+                      (n or N\
                       for uppercase).  The default modifier is
                       ${0,0,d}.  If the
                       lhs is not absolute, the
@@ -7737,8 +8918,16 @@ $GENERATE 1-127 $ CNAME $.0
                       to the name.
                     
    
-                      For compatibility with earlier versions, $$ is still
-                      recognized as indicating a literal $ in the output.
+                      In nibble mode the value will be treated as
+                      if it was a reversed hexadecimal string
+                      with each hexadecimal digit as a separate
+                      label.  The width field includes the label
+                      separator.
+                    
    
+                    
    
+                      For compatibility with earlier versions,
+                      $$ is still recognized as
+                      indicating a literal $ in the output.
                     
    
@@ -7780,8 +8969,7 @@ $GENERATE 1-127 $ CNAME $.0
@@ -7791,8 +8979,7 @@ $GENERATE 1-127 $ CNAME $.0
@@ -7942,9 +9129,12 @@ $GENERATE 1-127 $ CNAME $.0
@@ -8037,7 +9227,7 @@ $GENERATE 1-127 $ CNAME $.0
    
 
    
-Name Server Statistics Counters
    
+Name Server Statistics Counters
    
 
 

                     
                   
 
                   
 
    
                     
    
-                      At present the only supported types are
-                      PTR, CNAME, DNAME, A, AAAA and NS.
+                      Any valid type.
                     
    
                       		
 
    
                   
 
    
                     
    
-                      rhs is a domain name. It is processed
-                      similarly to lhs.
+                      rhs, optionally, quoted string.
                     
    
                       		
 
    
                 
 
    
                   
    
-                    The number of RRsets per RR type (positive
-                    or negative) and nonexistent names stored in the
-                    cache database.
+                    The number of RRsets per RR type and nonexistent
+                    names stored in the cache database.
+                    If the exclamation mark (!) is printed for a RR
+                    type, it means that particular type of RRset is
+                    known to be nonexistent (this is also known as
+                    "NXRRSET").
                     Maintained per view.
                   
    
                     		
           
 
 
    @@ -8594,7 +9784,7 @@ $GENERATE 1-127 $ CNAME $.0
    
 
    
-Zone Maintenance Statistics Counters
    
+Zone Maintenance Statistics Counters
    
 
 

 
 
 
    @@ -8748,7 +9938,7 @@ $GENERATE 1-127 $ CNAME $.0
    
 
    
-Resolver Statistics Counters
    
+Resolver Statistics Counters
    
 
 

 
 
 
    @@ -8900,6 +10090,13 @@ $GENERATE 1-127 $ CNAME $.0
@@ -9124,7 +10321,7 @@ $GENERATE 1-127 $ CNAME $.0
    
 
    
-Socket I/O Statistics Counters
    
+Socket I/O Statistics Counters
    
               Socket I/O statistics counters are defined per socket
               types, which are
@@ -9279,7 +10476,7 @@ $GENERATE 1-127 $ CNAME $.0
 
 
    
 
    
-Compatibility with BIND 8 Counters
    
+Compatibility with BIND 8 Counters
    
               Most statistics counters that were available
               in BIND 8 are also supported in
diff --git a/doc/arm/Bv9ARM.ch07.html b/doc/arm/Bv9ARM.ch07.html
index ce23cad..371f4a9 100644
--- a/doc/arm/Bv9ARM.ch07.html
+++ b/doc/arm/Bv9ARM.ch07.html
@@ -1,5 +1,5 @@
 
-
+
 
 
 
@@ -46,10 +46,10 @@
 
    Table of Contents
    
 
    Access Control Lists
    
-
    Chroot and Setuid
    
+
    Chroot and Setuid
    
 
    
-
    The chroot Environment
    
-
    Using the setuid Function
    
+
    The chroot Environment
    
+
    Using the setuid Function
    
 
    
 
    Dynamic Update Security
    
 
    
@@ -80,14 +80,17 @@
           Here is an example of how to properly apply ACLs:
         
    -// Set up an ACL named "bogusnets" that will block RFC1918 space
-// and some reserved space, which is commonly used in spoofing attacks.
+// Set up an ACL named "bogusnets" that will block
+// RFC1918 space and some reserved space, which is
+// commonly used in spoofing attacks.
 acl bogusnets {
-        0.0.0.0/8; 1.0.0.0/8; 2.0.0.0/8; 192.0.2.0/24; 224.0.0.0/3;
-        10.0.0.0/8; 172.16.0.0/12; 192.168.0.0/16;
+        0.0.0.0/8; 1.0.0.0/8; 2.0.0.0/8; 192.0.2.0/24;
+        224.0.0.0/3; 10.0.0.0/8; 172.16.0.0/12;
+        192.168.0.0/16;
 };
 
-// Set up an ACL called our-nets. Replace this with the real IP numbers.
+// Set up an ACL called our-nets. Replace this with the
+// real IP numbers.
 acl our-nets { x.x.x.x/24; x.x.x.x/21; };
 options {
   ...
@@ -119,7 +122,7 @@ zone "example.com" {
 
 
    
 
    
-Chroot and Setuid
+Chroot and Setuid
 
    
 
    
           On UNIX servers, it is possible to run BIND
@@ -145,7 +148,7 @@ zone "example.com" {
         
    
 
    
 
    
-The chroot Environment
    
+The chroot Environment
    
 
    
             In order for a chroot environment
             to
@@ -173,7 +176,7 @@ zone "example.com" {
 
 
    
 
    
-Using the setuid Function
    
+Using the setuid Function
    
 
    
             Prior to running the named daemon,
             use
diff --git a/doc/arm/Bv9ARM.ch08.html b/doc/arm/Bv9ARM.ch08.html
index bb9ecc8..0681e47 100644
--- a/doc/arm/Bv9ARM.ch08.html
+++ b/doc/arm/Bv9ARM.ch08.html
@@ -1,5 +1,5 @@
 
-
+
 
 
 
@@ -45,18 +45,18 @@
 
    
 
    Table of Contents
    
 
    
-
    Common Problems
    
-
    It's not working; how can I figure out what's wrong?
    
-
    Incrementing and Changing the Serial Number
    
-
    Where Can I Get Help?
    
+
    Common Problems
    
+
    It's not working; how can I figure out what's wrong?
    
+
    Incrementing and Changing the Serial Number
    
+
    Where Can I Get Help?
    
 
    
 
    
 
    
 
    
-Common Problems
    
+Common Problems
    
 
    
 
    
-It's not working; how can I figure out what's wrong?
    
+It's not working; how can I figure out what's wrong?
    
 
    
             The best solution to solving installation and
             configuration issues is to take preventative measures by setting
@@ -68,7 +68,7 @@
 
 
    
 
    
-Incrementing and Changing the Serial Number
    
+Incrementing and Changing the Serial Number
    
 
    
           Zone serial numbers are just numbers — they aren't
           date related.  A lot of people set them to a number that
@@ -95,7 +95,7 @@
 
 
    
 
    
-Where Can I Get Help?
    
+Where Can I Get Help?
    
 
    
           The Internet Systems Consortium
           (ISC) offers a wide range
diff --git a/doc/arm/Bv9ARM.ch09.html b/doc/arm/Bv9ARM.ch09.html
index c5bd994..fd53237 100644
--- a/doc/arm/Bv9ARM.ch09.html
+++ b/doc/arm/Bv9ARM.ch09.html
@@ -1,5 +1,5 @@
 
-
+
 
 
 
@@ -45,21 +45,31 @@
 
    
 
    Table of Contents
    
 
    
-
    Acknowledgments
    
+
    Acknowledgments
    
 
    A Brief History of the DNS and BIND
    
-
    General DNS Reference Information
    
+
    General DNS Reference Information
    
 
    IPv6 addresses (AAAA)
    
 
    Bibliography (and Suggested Reading)
    
 
    
 
    Request for Comments (RFCs)
    
 
    Internet Drafts
    
-
    Other Documents About BIND
    
+
    Other Documents About BIND
    
+
    
+
    BIND 9 DNS Library Support
    
+
    
+
    Prerequisite
    
+
    Compilation
    
+
    Installation
    
+
    Known Defects/Restrictions
    
+
    The dns.conf File
    
+
    Sample Applications
    
+
    Library References
    
 
    
 
    
 
    
 
    
 
    
-Acknowledgments
    
+Acknowledgments
    
 
    
 
    
 A Brief History of the DNS and BIND
@@ -162,7 +172,7 @@
 
    
 
    
 
    
-General DNS Reference Information
    
+General DNS Reference Information
    
 
    
 
    
 IPv6 addresses (AAAA)
    
@@ -250,17 +260,17 @@
           
    
 
    
 
    
-Bibliography
    
+Bibliography
    
 
    
 
    Standards
    
 
    
-
    [RFC974] C. Partridge. Mail Routing and the Domain System. January 1986. 
    
+
    [RFC974] C. Partridge. Mail Routing and the Domain System. January 1986. 
    
 
    
 
    
-
    [RFC1034] P.V. Mockapetris. Domain Names — Concepts and Facilities. November 1987. 
    
+
    [RFC1034] P.V. Mockapetris. Domain Names — Concepts and Facilities. November 1987. 
    
 
    
 
    
-
    [RFC1035] P. V. Mockapetris. Domain Names — Implementation and
+
    [RFC1035] P. V. Mockapetris. Domain Names — Implementation and
                   Specification. November 1987. 
    
 
    
 
    
@@ -268,42 +278,42 @@
 
    
 Proposed Standards
    
 
    
-
    [RFC2181] R., R. Bush Elz. Clarifications to the DNS
+
    [RFC2181] R., R. Bush Elz. Clarifications to the DNS
                   Specification. July 1997. 
    
 
    
 
    
-
    [RFC2308] M. Andrews. Negative Caching of DNS
+
    [RFC2308] M. Andrews. Negative Caching of DNS
                   Queries. March 1998. 
    
 
    
 
    
-
    [RFC1995] M. Ohta. Incremental Zone Transfer in DNS. August 1996. 
    
+
    [RFC1995] M. Ohta. Incremental Zone Transfer in DNS. August 1996. 
    
 
    
 
    
-
    [RFC1996] P. Vixie. A Mechanism for Prompt Notification of Zone Changes. August 1996. 
    
+
    [RFC1996] P. Vixie. A Mechanism for Prompt Notification of Zone Changes. August 1996. 
    
 
    
 
    
-
    [RFC2136] P. Vixie, S. Thomson, Y. Rekhter, and J. Bound. Dynamic Updates in the Domain Name System. April 1997. 
    
+
    [RFC2136] P. Vixie, S. Thomson, Y. Rekhter, and J. Bound. Dynamic Updates in the Domain Name System. April 1997. 
    
 
    
 
    
-
    [RFC2671] P. Vixie. Extension Mechanisms for DNS (EDNS0). August 1997. 
    
+
    [RFC2671] P. Vixie. Extension Mechanisms for DNS (EDNS0). August 1997. 
    
 
    
 
    
-
    [RFC2672] M. Crawford. Non-Terminal DNS Name Redirection. August 1999. 
    
+
    [RFC2672] M. Crawford. Non-Terminal DNS Name Redirection. August 1999. 
    
 
    
 
    
-
    [RFC2845] P. Vixie, O. Gudmundsson, D. Eastlake, 3rd, and B. Wellington. Secret Key Transaction Authentication for DNS (TSIG). May 2000. 
    
+
    [RFC2845] P. Vixie, O. Gudmundsson, D. Eastlake, 3rd, and B. Wellington. Secret Key Transaction Authentication for DNS (TSIG). May 2000. 
    
 
    
 
    
-
    [RFC2930] D. Eastlake, 3rd. Secret Key Establishment for DNS (TKEY RR). September 2000. 
    
+
    [RFC2930] D. Eastlake, 3rd. Secret Key Establishment for DNS (TKEY RR). September 2000. 
    
 
    
 
    
-
    [RFC2931] D. Eastlake, 3rd. DNS Request and Transaction Signatures (SIG(0)s). September 2000. 
    
+
    [RFC2931] D. Eastlake, 3rd. DNS Request and Transaction Signatures (SIG(0)s). September 2000. 
    
 
    
 
    
-
    [RFC3007] B. Wellington. Secure Domain Name System (DNS) Dynamic Update. November 2000. 
    
+
    [RFC3007] B. Wellington. Secure Domain Name System (DNS) Dynamic Update. November 2000. 
    
 
    
 
    
-
    [RFC3645] S. Kwan, P. Garg, J. Gilroy, L. Esibov, J. Westhead, and R. Hall. Generic Security Service Algorithm for Secret
+
    [RFC3645] S. Kwan, P. Garg, J. Gilroy, L. Esibov, J. Westhead, and R. Hall. Generic Security Service Algorithm for Secret
                        Key Transaction Authentication for DNS
                        (GSS-TSIG). October 2003. 
    
 
    
@@ -312,19 +322,19 @@
 
    
 DNS Security Proposed Standards
    
 
    
-
    [RFC3225] D. Conrad. Indicating Resolver Support of DNSSEC. December 2001. 
    
+
    [RFC3225] D. Conrad. Indicating Resolver Support of DNSSEC. December 2001. 
    
 
    
 
    
-
    [RFC3833] D. Atkins and R. Austein. Threat Analysis of the Domain Name System (DNS). August 2004. 
    
+
    [RFC3833] D. Atkins and R. Austein. Threat Analysis of the Domain Name System (DNS). August 2004. 
    
 
    
 
    
-
    [RFC4033] R. Arends, R. Austein, M. Larson, D. Massey, and S. Rose. DNS Security Introduction and Requirements. March 2005. 
    
+
    [RFC4033] R. Arends, R. Austein, M. Larson, D. Massey, and S. Rose. DNS Security Introduction and Requirements. March 2005. 
    
 
    
 
    
-
    [RFC4034] R. Arends, R. Austein, M. Larson, D. Massey, and S. Rose. Resource Records for the DNS Security Extensions. March 2005. 
    
+
    [RFC4034] R. Arends, R. Austein, M. Larson, D. Massey, and S. Rose. Resource Records for the DNS Security Extensions. March 2005. 
    
 
    
 
    
-
    [RFC4035] R. Arends, R. Austein, M. Larson, D. Massey, and S. Rose. Protocol Modifications for the DNS
+
    [RFC4035] R. Arends, R. Austein, M. Larson, D. Massey, and S. Rose. Protocol Modifications for the DNS
                        Security Extensions. March 2005. 
    
 
    
 
@@ -332,146 +342,146 @@
 
    Other Important RFCs About DNS
                 Implementation
    
 
    
-
    [RFC1535] E. Gavron. A Security Problem and Proposed Correction With Widely
+
    [RFC1535] E. Gavron. A Security Problem and Proposed Correction With Widely
                   Deployed DNS Software.. October 1993. 
    
 
    
 
    
-
    [RFC1536] A. Kumar, J. Postel, C. Neuman, P. Danzig, and S. Miller. Common DNS Implementation
+
    [RFC1536] A. Kumar, J. Postel, C. Neuman, P. Danzig, and S. Miller. Common DNS Implementation
                   Errors and Suggested Fixes. October 1993. 
    
 
    
 
    
-
    [RFC1982] R. Elz and R. Bush. Serial Number Arithmetic. August 1996. 
    
+
    [RFC1982] R. Elz and R. Bush. Serial Number Arithmetic. August 1996. 
    
 
    
 
    
-
    [RFC4074] Y. Morishita and T. Jinmei. Common Misbehaviour Against DNS
+
    [RFC4074] Y. Morishita and T. Jinmei. Common Misbehaviour Against DNS
                 Queries for IPv6 Addresses. May 2005. 
    
 
    
 
 
    
 
    Resource Record Types
    
 
    
-
    [RFC1183] C.F. Everhart, L. A. Mamakos, R. Ullmann, and P. Mockapetris. New DNS RR Definitions. October 1990. 
    
+
    [RFC1183] C.F. Everhart, L. A. Mamakos, R. Ullmann, and P. Mockapetris. New DNS RR Definitions. October 1990. 
    
 
    
 
    
-
    [RFC1706] B. Manning and R. Colella. DNS NSAP Resource Records. October 1994. 
    
+
    [RFC1706] B. Manning and R. Colella. DNS NSAP Resource Records. October 1994. 
    
 
    
 
    
-
    [RFC2168] R. Daniel and M. Mealling. Resolution of Uniform Resource Identifiers using
+
    [RFC2168] R. Daniel and M. Mealling. Resolution of Uniform Resource Identifiers using
                   the Domain Name System. June 1997. 
    
 
    
 
    
-
    [RFC1876] C. Davis, P. Vixie, T., and I. Dickinson. A Means for Expressing Location Information in the
+
    [RFC1876] C. Davis, P. Vixie, T., and I. Dickinson. A Means for Expressing Location Information in the
                   Domain
                   Name System. January 1996. 
    
 
    
 
    
-
    [RFC2052] A. Gulbrandsen and P. Vixie. A DNS RR for Specifying the
+
    [RFC2052] A. Gulbrandsen and P. Vixie. A DNS RR for Specifying the
                   Location of
                   Services.. October 1996. 
    
 
    
 
    
-
    [RFC2163] A. Allocchio. Using the Internet DNS to
+
    [RFC2163] A. Allocchio. Using the Internet DNS to
                   Distribute MIXER
                   Conformant Global Address Mapping. January 1998. 
    
 
    
 
    
-
    [RFC2230] R. Atkinson. Key Exchange Delegation Record for the DNS. October 1997. 
    
+
    [RFC2230] R. Atkinson. Key Exchange Delegation Record for the DNS. October 1997. 
    
 
    
 
    
-
    [RFC2536] D. Eastlake, 3rd. DSA KEYs and SIGs in the Domain Name System (DNS). March 1999. 
    
+
    [RFC2536] D. Eastlake, 3rd. DSA KEYs and SIGs in the Domain Name System (DNS). March 1999. 
    
 
    
 
    
-
    [RFC2537] D. Eastlake, 3rd. RSA/MD5 KEYs and SIGs in the Domain Name System (DNS). March 1999. 
    
+
    [RFC2537] D. Eastlake, 3rd. RSA/MD5 KEYs and SIGs in the Domain Name System (DNS). March 1999. 
    
 
    
 
    
-
    [RFC2538] D. Eastlake, 3rd and O. Gudmundsson. Storing Certificates in the Domain Name System (DNS). March 1999. 
    
+
    [RFC2538] D. Eastlake, 3rd and O. Gudmundsson. Storing Certificates in the Domain Name System (DNS). March 1999. 
    
 
    
 
    
-
    [RFC2539] D. Eastlake, 3rd. Storage of Diffie-Hellman Keys in the Domain Name System (DNS). March 1999. 
    
+
    [RFC2539] D. Eastlake, 3rd. Storage of Diffie-Hellman Keys in the Domain Name System (DNS). March 1999. 
    
 
    
 
    
-
    [RFC2540] D. Eastlake, 3rd. Detached Domain Name System (DNS) Information. March 1999. 
    
+
    [RFC2540] D. Eastlake, 3rd. Detached Domain Name System (DNS) Information. March 1999. 
    
 
    
 
    
-
    [RFC2782] A. Gulbrandsen. P. Vixie. L. Esibov. A DNS RR for specifying the location of services (DNS SRV). February 2000. 
    
+
    [RFC2782] A. Gulbrandsen. P. Vixie. L. Esibov. A DNS RR for specifying the location of services (DNS SRV). February 2000. 
    
 
    
 
    
-
    [RFC2915] M. Mealling. R. Daniel. The Naming Authority Pointer (NAPTR) DNS Resource Record. September 2000. 
    
+
    [RFC2915] M. Mealling. R. Daniel. The Naming Authority Pointer (NAPTR) DNS Resource Record. September 2000. 
    
 
    
 
    
-
    [RFC3110] D. Eastlake, 3rd. RSA/SHA-1 SIGs and RSA KEYs in the Domain Name System (DNS). May 2001. 
    
+
    [RFC3110] D. Eastlake, 3rd. RSA/SHA-1 SIGs and RSA KEYs in the Domain Name System (DNS). May 2001. 
    
 
    
 
    
-
    [RFC3123] P. Koch. A DNS RR Type for Lists of Address Prefixes (APL RR). June 2001. 
    
+
    [RFC3123] P. Koch. A DNS RR Type for Lists of Address Prefixes (APL RR). June 2001. 
    
 
    
 
    
-
    [RFC3596] S. Thomson, C. Huitema, V. Ksinant, and M. Souissi. DNS Extensions to support IP
+
    [RFC3596] S. Thomson, C. Huitema, V. Ksinant, and M. Souissi. DNS Extensions to support IP
                   version 6. October 2003. 
    
 
    
 
    
-
    [RFC3597] A. Gustafsson. Handling of Unknown DNS Resource Record (RR) Types. September 2003. 
    
+
    [RFC3597] A. Gustafsson. Handling of Unknown DNS Resource Record (RR) Types. September 2003. 
    
 
    
 
    
 
    
 
    
 DNS and the Internet
    
 
    
-
    [RFC1101] P. V. Mockapetris. DNS Encoding of Network Names
+
    [RFC1101] P. V. Mockapetris. DNS Encoding of Network Names
                   and Other Types. April 1989. 
    
 
    
 
    
-
    [RFC1123] Braden. Requirements for Internet Hosts - Application and
+
    [RFC1123] Braden. Requirements for Internet Hosts - Application and
                   Support. October 1989. 
    
 
    
 
    
-
    [RFC1591] J. Postel. Domain Name System Structure and Delegation. March 1994. 
    
+
    [RFC1591] J. Postel. Domain Name System Structure and Delegation. March 1994. 
    
 
    
 
    
-
    [RFC2317] H. Eidnes, G. de Groot, and P. Vixie. Classless IN-ADDR.ARPA Delegation. March 1998. 
    
+
    [RFC2317] H. Eidnes, G. de Groot, and P. Vixie. Classless IN-ADDR.ARPA Delegation. March 1998. 
    
 
    
 
    
-
    [RFC2826] Internet Architecture Board. IAB Technical Comment on the Unique DNS Root. May 2000. 
    
+
    [RFC2826] Internet Architecture Board. IAB Technical Comment on the Unique DNS Root. May 2000. 
    
 
    
 
    
-
    [RFC2929] D. Eastlake, 3rd, E. Brunner-Williams, and B. Manning. Domain Name System (DNS) IANA Considerations. September 2000. 
    
+
    [RFC2929] D. Eastlake, 3rd, E. Brunner-Williams, and B. Manning. Domain Name System (DNS) IANA Considerations. September 2000. 
    
 
    
 
    
 
    
 
    
 DNS Operations
    
 
    
-
    [RFC1033] M. Lottor. Domain administrators operations guide.. November 1987. 
    
+
    [RFC1033] M. Lottor. Domain administrators operations guide.. November 1987. 
    
 
    
 
    
-
    [RFC1537] P. Beertema. Common DNS Data File
+
    [RFC1537] P. Beertema. Common DNS Data File
                   Configuration Errors. October 1993. 
    
 
    
 
    
-
    [RFC1912] D. Barr. Common DNS Operational and
+
    [RFC1912] D. Barr. Common DNS Operational and
                   Configuration Errors. February 1996. 
    
 
    
 
    
-
    [RFC2010] B. Manning and P. Vixie. Operational Criteria for Root Name Servers.. October 1996. 
    
+
    [RFC2010] B. Manning and P. Vixie. Operational Criteria for Root Name Servers.. October 1996. 
    
 
    
 
    
-
    [RFC2219] M. Hamilton and R. Wright. Use of DNS Aliases for
+
    [RFC2219] M. Hamilton and R. Wright. Use of DNS Aliases for
                   Network Services.. October 1997. 
    
 
    
 
    
 
    
 
    Internationalized Domain Names
    
 
    
-
    [RFC2825] IAB and R. Daigle. A Tangled Web: Issues of I18N, Domain Names,
+
    [RFC2825] IAB and R. Daigle. A Tangled Web: Issues of I18N, Domain Names,
                        and the Other Internet protocols. May 2000. 
    
 
    
 
    
-
    [RFC3490] P. Faltstrom, P. Hoffman, and A. Costello. Internationalizing Domain Names in Applications (IDNA). March 2003. 
    
+
    [RFC3490] P. Faltstrom, P. Hoffman, and A. Costello. Internationalizing Domain Names in Applications (IDNA). March 2003. 
    
 
    
 
    
-
    [RFC3491] P. Hoffman and M. Blanchet. Nameprep: A Stringprep Profile for Internationalized Domain Names. March 2003. 
    
+
    [RFC3491] P. Hoffman and M. Blanchet. Nameprep: A Stringprep Profile for Internationalized Domain Names. March 2003. 
    
 
    
 
    
-
    [RFC3492] A. Costello. Punycode: A Bootstring encoding of Unicode
+
    [RFC3492] A. Costello. Punycode: A Bootstring encoding of Unicode
                        for Internationalized Domain Names in
                        Applications (IDNA). March 2003. 
    
 
    
@@ -487,47 +497,47 @@
                 
    
 
    
 
    
-
    [RFC1464] R. Rosenbaum. Using the Domain Name System To Store Arbitrary String
+
    [RFC1464] R. Rosenbaum. Using the Domain Name System To Store Arbitrary String
                   Attributes. May 1993. 
    
 
    
 
    
-
    [RFC1713] A. Romao. Tools for DNS Debugging. November 1994. 
    
+
    [RFC1713] A. Romao. Tools for DNS Debugging. November 1994. 
    
 
    
 
    
-
    [RFC1794] T. Brisco. DNS Support for Load
+
    [RFC1794] T. Brisco. DNS Support for Load
                   Balancing. April 1995. 
    
 
    
 
    
-
    [RFC2240] O. Vaughan. A Legal Basis for Domain Name Allocation. November 1997. 
    
+
    [RFC2240] O. Vaughan. A Legal Basis for Domain Name Allocation. November 1997. 
    
 
    
 
    
-
    [RFC2345] J. Klensin, T. Wolf, and G. Oglesby. Domain Names and Company Name Retrieval. May 1998. 
    
+
    [RFC2345] J. Klensin, T. Wolf, and G. Oglesby. Domain Names and Company Name Retrieval. May 1998. 
    
 
    
 
    
-
    [RFC2352] O. Vaughan. A Convention For Using Legal Names as Domain Names. May 1998. 
    
+
    [RFC2352] O. Vaughan. A Convention For Using Legal Names as Domain Names. May 1998. 
    
 
    
 
    
-
    [RFC3071] J. Klensin. Reflections on the DNS, RFC 1591, and Categories of Domains. February 2001. 
    
+
    [RFC3071] J. Klensin. Reflections on the DNS, RFC 1591, and Categories of Domains. February 2001. 
    
 
    
 
    
-
    [RFC3258] T. Hardie. Distributing Authoritative Name Servers via
+
    [RFC3258] T. Hardie. Distributing Authoritative Name Servers via
                        Shared Unicast Addresses. April 2002. 
    
 
    
 
    
-
    [RFC3901] A. Durand and J. Ihren. DNS IPv6 Transport Operational Guidelines. September 2004. 
    
+
    [RFC3901] A. Durand and J. Ihren. DNS IPv6 Transport Operational Guidelines. September 2004. 
    
 
    
 
 
    
 
    Obsolete and Unimplemented Experimental RFC
    
 
    
-
    [RFC1712] C. Farrell, M. Schulze, S. Pleitner, and D. Baldoni. DNS Encoding of Geographical
+
    [RFC1712] C. Farrell, M. Schulze, S. Pleitner, and D. Baldoni. DNS Encoding of Geographical
                   Location. November 1994. 
    
 
    
 
    
-
    [RFC2673] M. Crawford. Binary Labels in the Domain Name System. August 1999. 
    
+
    [RFC2673] M. Crawford. Binary Labels in the Domain Name System. August 1999. 
    
 
    
 
    
-
    [RFC2874] M. Crawford and C. Huitema. DNS Extensions to Support IPv6 Address Aggregation
+
    [RFC2874] M. Crawford and C. Huitema. DNS Extensions to Support IPv6 Address Aggregation
                        and Renumbering. July 2000. 
    
 
    
 
    
@@ -541,39 +551,39 @@
                 
    
 
 
    
-
    [RFC2065] D. Eastlake, 3rd and C. Kaufman. Domain Name System Security Extensions. January 1997. 
    
+
    [RFC2065] D. Eastlake, 3rd and C. Kaufman. Domain Name System Security Extensions. January 1997. 
    
 
    
 
    
-
    [RFC2137] D. Eastlake, 3rd. Secure Domain Name System Dynamic Update. April 1997. 
    
+
    [RFC2137] D. Eastlake, 3rd. Secure Domain Name System Dynamic Update. April 1997. 
    
 
    
 
    
-
    [RFC2535] D. Eastlake, 3rd. Domain Name System Security Extensions. March 1999. 
    
+
    [RFC2535] D. Eastlake, 3rd. Domain Name System Security Extensions. March 1999. 
    
 
    
 
    
-
    [RFC3008] B. Wellington. Domain Name System Security (DNSSEC)
+
    [RFC3008] B. Wellington. Domain Name System Security (DNSSEC)
                        Signing Authority. November 2000. 
    
 
    
 
    
-
    [RFC3090] E. Lewis. DNS Security Extension Clarification on Zone Status. March 2001. 
    
+
    [RFC3090] E. Lewis. DNS Security Extension Clarification on Zone Status. March 2001. 
    
 
    
 
    
-
    [RFC3445] D. Massey and S. Rose. Limiting the Scope of the KEY Resource Record (RR). December 2002. 
    
+
    [RFC3445] D. Massey and S. Rose. Limiting the Scope of the KEY Resource Record (RR). December 2002. 
    
 
    
 
    
-
    [RFC3655] B. Wellington and O. Gudmundsson. Redefinition of DNS Authenticated Data (AD) bit. November 2003. 
    
+
    [RFC3655] B. Wellington and O. Gudmundsson. Redefinition of DNS Authenticated Data (AD) bit. November 2003. 
    
 
    
 
    
-
    [RFC3658] O. Gudmundsson. Delegation Signer (DS) Resource Record (RR). December 2003. 
    
+
    [RFC3658] O. Gudmundsson. Delegation Signer (DS) Resource Record (RR). December 2003. 
    
 
    
 
    
-
    [RFC3755] S. Weiler. Legacy Resolver Compatibility for Delegation Signer (DS). May 2004. 
    
+
    [RFC3755] S. Weiler. Legacy Resolver Compatibility for Delegation Signer (DS). May 2004. 
    
 
    
 
    
-
    [RFC3757] O. Kolkman, J. Schlyter, and E. Lewis. Domain Name System KEY (DNSKEY) Resource Record
+
    [RFC3757] O. Kolkman, J. Schlyter, and E. Lewis. Domain Name System KEY (DNSKEY) Resource Record
                       (RR) Secure Entry Point (SEP) Flag. April 2004. 
    
 
    
 
    
-
    [RFC3845] J. Schlyter. DNS Security (DNSSEC) NextSECure (NSEC) RDATA Format. August 2004. 
    
+
    [RFC3845] J. Schlyter. DNS Security (DNSSEC) NextSECure (NSEC) RDATA Format. August 2004. 
    
 
    
 
 
@@ -594,16 +604,481 @@
 
 
    
 
    
-Other Documents About BIND
+Other Documents About BIND
 
    
 
    
 
    
 
    
-Bibliography
    
+Bibliography
    
 
    
-
    Paul Albitz and Cricket Liu. DNS and BIND. Copyright © 1998 Sebastopol, CA: O'Reilly and Associates. 
    
+
    Paul Albitz and Cricket Liu. DNS and BIND. Copyright © 1998 Sebastopol, CA: O'Reilly and Associates. 
    
+
    
+
+
+
+
    
+
    
+BIND 9 DNS Library Support
    
+
    This version of BIND 9 "exports" its internal libraries so
+  that they can be used by third-party applications more easily (we
+  call them "export" libraries in this document). In addition to
+  all major DNS-related APIs BIND 9 is currently using, the export
+  libraries provide the following features:
    
+
      
+
    • The newly created "DNS client" module. This is a higher
+      level API that provides an interface to name resolution,
+      single DNS transaction with a particular server, and dynamic
+      update. Regarding name resolution, it supports advanced
+      features such as DNSSEC validation and caching. This module
+      supports both synchronous and asynchronous mode.
      • 
+
    • The new "IRS" (Information Retrieval System) library.
+      It provides an interface to parse the traditional resolv.conf
+      file and more advanced, DNS-specific configuration file for
+      the rest of this package (see the description for the
+      dns.conf file below).
      • 
+
    • As part of the IRS library, newly implemented standard
+      address-name mapping functions, getaddrinfo() and
+      getnameinfo(), are provided. They use the DNSSEC-aware
+      validating resolver backend, and could use other advanced
+      features of the BIND 9 libraries such as caching. The
+      getaddrinfo() function resolves both A and AAAA RRs
+      concurrently (when the address family is unspecified).
      • 
+
    • An experimental framework to support other event
+      libraries than BIND 9's internal event task system.
      • 
+
    
+
    
+
    
+Prerequisite
    
+
    GNU make is required to build the export libraries (other
+  part of BIND 9 can still be built with other types of make). In
+  the reminder of this document, "make" means GNU make. Note that
+  in some platforms you may need to invoke a different command name
+  than "make" (e.g. "gmake") to indicate it's GNU make.
    
+
    
+
    
+
    
+Compilation
    
+
    +$ ./configure --enable-exportlib [other flags]
+$ make
+
    
+
    
+  This will create (in addition to usual BIND 9 programs) and a
+  separate set of libraries under the lib/export directory. For
+  example, lib/export/dns/libdns.a is the archive file of the
+  export version of the BIND 9 DNS library. Sample application
+  programs using the libraries will also be built under the
+  lib/export/samples directory (see below).
    
+
    
+
    
+
    
+Installation
    
+
    +$ cd lib/export
+$ make install
+
    
+
    
+  This will install library object files under the directory
+  specified by the --with-export-libdir configure option (default:
+  EPREFIX/lib/bind9), and header files under the directory
+  specified by the --with-export-includedir configure option
+  (default: PREFIX/include/bind9).
+  Root privilege is normally required.
+  "make install" at the top directory will do the
+  same.
+  
    
+
    
+  To see how to build your own
+  application after the installation, see
+  lib/export/samples/Makefile-postinstall.in.
    
+
    
+
    
+
    
+Known Defects/Restrictions
    
+
      
+
    • Currently, win32 is not supported for the export
+      library. (Normal BIND 9 application can be built as
+      before).
      • 
+
    • 
+
      The "fixed" RRset order is not (currently) supported in
+      the export library. If you want to use "fixed" RRset order
+      for, e.g. named while still building the
+      export library even without the fixed order support, build
+      them separately:
+      
      
+
      +$ ./configure --enable-fixed-rrset [other flags, but not --enable-exportlib]
+$ make
+$ ./configure --enable-exportlib [other flags, but not --enable-fixed-rrset]
+$ cd lib/export
+$ make
+
      
+
      
+    
      
+
      • 
+
    • The client module and the IRS library currently do not
+      support DNSSEC validation using DLV (the underlying modules
+      can handle it, but there is no tunable interface to enable
+      the feature).
      • 
+
    • RFC 5011 is not supported in the validating stub
+      resolver of the export library. In fact, it is not clear
+      whether it should: trust anchors would be a system-wide
+      configuration which would be managed by an administrator,
+      while the stub resolver will be used by ordinary applications
+      run by a normal user.
      • 
+
    • Not all common /etc/resolv.conf
+      options are supported
+      in the IRS library. The only available options in this
+      version are "debug" and "ndots".
      • 
+
    
+
    
+
    
+
    
+The dns.conf File
    
+
    The IRS library supports an "advanced" configuration file
+  related to the DNS library for configuration parameters that
+  would be beyond the capability of the
+  resolv.conf file.
+  Specifically, it is intended to provide DNSSEC related
+  configuration parameters. By default the path to this
+  configuration file is /etc/dns.conf.
+  This module is very
+  experimental and the configuration syntax or library interfaces
+  may change in future versions. Currently, only the
+  trusted-keys
+  statement is supported, whose syntax is the same as the same name
+  of statement for named.conf. (See
+  the section called “trusted-keys Statement Grammar” for details.)
    
+
    
+
    
+
    
+Sample Applications
    
+
    Some sample application programs using this API are
+  provided for reference. The following is a brief description of
+  these applications.
+  
    
+
    
+
    
+sample: a simple stub resolver utility
    
+
    
+  It sends a query of a given name (of a given optional RR type) to a
+  specified recursive server, and prints the result as a list of
+  RRs. It can also act as a validating stub resolver if a trust
+  anchor is given via a set of command line options.
    
+
    
+  Usage: sample [options] server_address hostname
+  
    
+
    
+  Options and Arguments:
+  
    
+
    
+
    
+  -t RRtype
+  
    
+
    
+        specify the RR type of the query.  The default is the A RR.
+  
    
+
    
+  [-a algorithm] [-e] -k keyname -K keystring
+  
    
+
    
+
    
+        specify a command-line DNS key to validate the answer.  For
+        example, to specify the following DNSKEY of example.com:
+
    
+

    
+                example.com. 3600 IN DNSKEY 257 3 5 xxx
    
+
    
+
    
+        specify the options as follows:
+
    
+
    +
+          -e -k example.com -K "xxx"
+
+
    
+
    
+        -e means that this key is a zone's "key signing key" (as known
+        as "secure Entry point").
+        When -a is omitted rsasha1 will be used by default.
+  
    
+
    
+
    
+  -s domain:alt_server_address
+  
    
+
    
+         specify a separate recursive server address for the specific
+        "domain".  Example: -s example.com:2001:db8::1234
+  
    
+
    server_address
    
+
    
+        an IP(v4/v6) address of the recursive server to which queries
+        are sent.
+  
    
+
    hostname
    
+
    
+        the domain name for the query
+  
    
+
    
+
    
+
    
+
    
+sample-async: a simple stub resolver, working asynchronously
    
+
    
+  Similar to "sample", but accepts a list
+  of (query) domain names as a separate file and resolves the names
+  asynchronously.
    
+
    
+    Usage: sample-async [-s server_address] [-t RR_type] input_file
    
+
    
+ Options and Arguments:
+  
    
+
    
+
    
+   -s server_address
+   
    
+
    
+   an IPv4 address of the recursive server to which queries are sent.
+  (IPv6 addresses are not supported in this implementation)
+  
    
+
    
+   -t RR_type
+  
    
+
    
+  specify the RR type of the queries. The default is the A
+  RR.
+  
    
+
    
+   input_file
+  
    
+
    
+   a list of domain names to be resolved. each line
+  consists of a single domain name. Example:
+  

    
+  www.example.com
    
+  mx.examle.net
    
+  ns.xxx.example
    
+
    
+
    
+
    
+
    
+
    
+
    
+sample-request: a simple DNS transaction client
    
+
    
+  It sends a query to a specified server, and
+  prints the response with minimal processing. It doesn't act as a
+  "stub resolver": it stops the processing once it gets any
+  response from the server, whether it's a referral or an alias
+  (CNAME or DNAME) that would require further queries to get the
+  ultimate answer. In other words, this utility acts as a very
+  simplified dig.
+  
    
+
    
+  Usage: sample-request [-t RRtype] server_address hostname
+  
    
+
    
+    Options and Arguments:
+  
    
+
    
+
    
+   -t RRtype
+  
    
+
    
+  specify the RR type of
+  the queries. The default is the A RR.
+  
    
+
    
+  server_address
+  
    
+
    
+   an IP(v4/v6)
+  address of the recursive server to which the query is sent.
+  
    
+
    
+  hostname
+  
    
+
    
+  the domain name for the query
+  
    
+
    
+
    
+
    
+
    
+sample-gai: getaddrinfo() and getnameinfo() test code
    
+
    
+  This is a test program
+  to check getaddrinfo() and getnameinfo() behavior. It takes a
+  host name as an argument, calls getaddrinfo() with the given host
+  name, and calls getnameinfo() with the resulting IP addresses
+  returned by getaddrinfo(). If the dns.conf file exists and
+  defines a trust anchor, the underlying resolver will act as a
+  validating resolver, and getaddrinfo()/getnameinfo() will fail
+  with an EAI_INSECUREDATA error when DNSSEC validation fails.
+  
    
+
    
+  Usage: sample-gai hostname
+  
    
+
    
+
    
+
    
+sample-update: a simple dynamic update client program
    
+
    
+  It accepts a single update command as a
+  command-line argument, sends an update request message to the
+  authoritative server, and shows the response from the server. In
+  other words, this is a simplified nsupdate.
+  
    
+
    
+   Usage: sample-update [options] (add|delete) "update data"
+  
    
+
    
+  Options and Arguments:
+  
    
+
    
+
    
+  -a auth_server
+   
    
+
    
+        An IP address of the authoritative server that has authority
+        for the zone containing the update name.  This should normally
+        be the primary authoritative server that accepts dynamic
+        updates.  It can also be a secondary server that is configured
+        to forward update requests to the primary server.
+   
    
+
    
+  -k keyfile
+   
    
+
    
+        A TSIG key file to secure the update transaction.  The keyfile
+        format is the same as that for the nsupdate utility.
+   
    
+
    
+  -p prerequisite
+   
    
+
    
+        A prerequisite for the update (only one prerequisite can be
+        specified).  The prerequisite format is the same as that is
+        accepted by the nsupdate utility.
+   
    
+
    
+  -r recursive_server
+   
    
+
    
+        An IP address of a recursive server that this utility will
+        use.  A recursive server may be necessary to identify the
+        authoritative server address to which the update request is
+        sent.
+   
    
+
    
+  -z zonename
+   
    
+
    
+        The domain name of the zone that contains
+   
    
+
    
+  (add|delete)
+   
    
+
    
+        Specify the type of update operation.  Either "add" or "delete"
+        must be specified.
+   
    
+
    
+  "update data"
+   
    
+
    
+        Specify the data to be updated.  A typical example of the data
+        would look like "name TTL RRtype RDATA".
+  
    
+
    
+
    
+
    Note
    In practice, either -a or -r must be specified.  Others can
+   be optional; the underlying library routine tries to identify the
+   appropriate server and the zone name for the update.
    
+
    
+   Examples: assuming the primary authoritative server of the
+   dynamic.example.com zone has an IPv6 address 2001:db8::1234,
+   
    
+
    +$ sample-update -a sample-update -k Kxxx.+nnn+mmmm.key add "foo.dynamic.example.com 30 IN A 192.168.2.1"
    
+
    
+     adds an A RR for foo.dynamic.example.com using the given key.
+   
    
+
    +$ sample-update -a sample-update -k Kxxx.+nnn+mmmm.key delete "foo.dynamic.example.com 30 IN A"
    
+
    
+     removes all A RRs for foo.dynamic.example.com using the given key.
+   
    
+
       
+$ sample-update -a sample-update -k Kxxx.+nnn+mmmm.key delete "foo.dynamic.example.com"
    
+
    
+     removes all RRs for foo.dynamic.example.com using the given key.
+   
    
+
    
+
    
+
    
+nsprobe: domain/name server checker in terms of RFC 4074
    
+
    
+  It checks a set
+  of domains to see the name servers of the domains behave
+  correctly in terms of RFC 4074. This is included in the set of
+  sample programs to show how the export library can be used in a
+  DNS-related application.
+  
    
+
    
+ Usage: nsprobe [-d] [-v [-v...]] [-c cache_address] [input_file]
+  
    
+
    
+   Options
+  
    
+
    
+
    
+  -d
+  
    
+
    
+        run in the "debug" mode.  with this option nsprobe will dump
+        every RRs it receives.
+  
    
+
    
+  -v
+  
    
+
    
+        increase verbosity of other normal log messages.  This can be
+        specified multiple times
+  
    
+
    
+  -c cache_address
+  
    
+
    
+        specify an IP address of a recursive (caching) name server.
+        nsprobe uses this server to get the NS RRset of each domain and
+        the A and/or AAAA RRsets for the name servers.  The default
+        value is 127.0.0.1.
+  
    
+
    
+  input_file
+  
    
+
    
+        a file name containing a list of domain (zone) names to be
+        probed.  when omitted the standard input will be used.  Each
+        line of the input file specifies a single domain name such as
+        "example.com".  In general this domain name must be the apex
+        name of some DNS zone (unlike normal "host names" such as
+        "www.example.com").  nsprobe first identifies the NS RRsets for
+        the given domain name, and sends A and AAAA queries to these
+        servers for some "widely used" names under the zone;
+        specifically, adding "www" and "ftp" to the zone name.
+  
    
+
    
 
    
 
    
+
    
+
    
+Library References
    
+
    As of this writing, there is no formal "manual" of the
+  libraries, except this document, header files (some of them
+  provide pretty detailed explanations), and sample application
+  programs.
    
 
    
 
    
 
diff --git a/doc/arm/Bv9ARM.ch10.html b/doc/arm/Bv9ARM.ch10.html
index 6929485..7ff08e1 100644
--- a/doc/arm/Bv9ARM.ch10.html
+++ b/doc/arm/Bv9ARM.ch10.html
@@ -1,5 +1,5 @@
 
-
+
 
 
 
@@ -64,6 +64,12 @@
 dnssec-keygen — DNSSEC key generation tool
 
 
    
+dnssec-revoke — Set the REVOKED bit on a DNSSEC key
+
    
+
    
+dnssec-settime — Set the key timing metadata for a DNSSEC key
+
    
+
    
 dnssec-signzone — DNSSEC zone signing tool
 
    
 
    
@@ -76,6 +82,9 @@
 named — Internet domain name server
 
    
 
    
+named-journalprint — print zone journal in human-readable form
+
    
+
    
 nsupdate — Dynamic DNS update utility
 
    
 
    
@@ -87,6 +96,21 @@
 
    
 rndc-confgen — rndc key generation tool
 
    
+
    
+ddns-confgen — ddns key generation tool
+
    
+
    
+arpaname — translate IP addresses to the corresponding ARPA names
+
    
+
    
+genrandom — generate a file containing random data
+
    
+
    
+isc-hmac-fixup — fixes HMAC keys generated by older versions of BIND
+
    
+
    
+nsec3hash — generate NSEC3 hash
+
    
 
 
 
diff --git a/doc/arm/Bv9ARM.html b/doc/arm/Bv9ARM.html
index 8c21270..7341705 100644
--- a/doc/arm/Bv9ARM.html
+++ b/doc/arm/Bv9ARM.html
@@ -1,5 +1,5 @@
 
-
+
 
 
 
@@ -41,7 +41,7 @@
 
    
 
    
 BIND 9 Administrator Reference Manual
    
-
    Copyright © 2004-2010 Internet Systems Consortium, Inc. ("ISC")
    
+
    Copyright © 2004-2011 Internet Systems Consortium, Inc. ("ISC")
    
 
    Copyright © 2000-2003 Internet Software Consortium.
    
 
    
 
    
@@ -51,39 +51,39 @@
 
    
 
    1. Introduction
    
 
    
-
    Scope of Document
    
-
    Organization of This Document
    
-
    Conventions Used in This Document
    
-
    The Domain Name System (DNS)
    
+
    Scope of Document
    
+
    Organization of This Document
    
+
    Conventions Used in This Document
    
+
    The Domain Name System (DNS)
    
 
    
-
    DNS Fundamentals
    
-
    Domains and Domain Names
    
-
    Zones
    
-
    Authoritative Name Servers
    
-
    Caching Name Servers
    
-
    Name Servers in Multiple Roles
    
+
    DNS Fundamentals
    
+
    Domains and Domain Names
    
+
    Zones
    
+
    Authoritative Name Servers
    
+
    Caching Name Servers
    
+
    Name Servers in Multiple Roles
    
 
    
 
    
 
    2. BIND Resource Requirements
    
 
    
-
    Hardware requirements
    
-
    CPU Requirements
    
-
    Memory Requirements
    
-
    Name Server Intensive Environment Issues
    
-
    Supported Operating Systems
    
+
    Hardware requirements
    
+
    CPU Requirements
    
+
    Memory Requirements
    
+
    Name Server Intensive Environment Issues
    
+
    Supported Operating Systems
    
 
    
 
    3. Name Server Configuration
    
 
    
 
    Sample Configurations
    
 
    
-
    A Caching-only Name Server
    
-
    An Authoritative-only Name Server
    
+
    A Caching-only Name Server
    
+
    An Authoritative-only Name Server
    
 
    
-
    Load Balancing
    
-
    Name Server Operations
    
+
    Load Balancing
    
+
    Name Server Operations
    
 
    
-
    Tools for Use With the Name Server Daemon
    
-
    Signals
    
+
    Tools for Use With the Name Server Daemon
    
+
    Signals
    
 
    
 
    
 
    4. Advanced DNS Features
    
@@ -92,34 +92,64 @@
 
    Dynamic Update
    
 
    The journal file
    
 
    Incremental Zone Transfers (IXFR)
    
-
    Split DNS
    
-
    Example split DNS setup
    
+
    Split DNS
    
+
    Example split DNS setup
    
 
    TSIG
    
 
    
-
    Generate Shared Keys for Each Pair of Hosts
    
-
    Copying the Shared Secret to Both Machines
    
-
    Informing the Servers of the Key's Existence
    
-
    Instructing the Server to Use the Key
    
-
    TSIG Key Based Access Control
    
-
    Errors
    
+
    Generate Shared Keys for Each Pair of Hosts
    
+
    Copying the Shared Secret to Both Machines
    
+
    Informing the Servers of the Key's Existence
    
+
    Instructing the Server to Use the Key
    
+
    TSIG Key Based Access Control
    
+
    Errors
    
 
    
-
    TKEY
    
-
    SIG(0)
    
+
    TKEY
    
+
    SIG(0)
    
 
    DNSSEC
    
 
    
-
    Generating Keys
    
-
    Signing the Zone
    
-
    Configuring Servers
    
+
    Generating Keys
    
+
    Signing the Zone
    
+
    Configuring Servers
    
 
    
-
    IPv6 Support in BIND 9
    
+
    DNSSEC, Dynamic Zones, and Automatic Signing
    
 
    
-
    Address Lookups Using AAAA Records
    
-
    Address to Name Lookups Using Nibble Format
    
+
    Converting from insecure to secure
    
+
    Dynamic DNS update method
    
+
    Fully automatic zone signing
    
+
    Private-type records
    
+
    DNSKEY rollovers
    
+
    Dynamic DNS update method
    
+
    Automatic key rollovers
    
+
    NSEC3PARAM rollovers via UPDATE
    
+
    Converting from NSEC to NSEC3
    
+
    Converting from NSEC3 to NSEC
    
+
    Converting from secure to insecure
    
+
    Periodic re-signing
    
+
    NSEC3 and OPTOUT
    
+
    
+
    Dynamic Trust Anchor Management
    
+
    
+
    Validating Resolver
    
+
    Authoritative Server
    
+
    
+
    PKCS #11 (Cryptoki) support
    
+
    
+
    Prerequisites
    
+
    Building BIND 9 with PKCS#11
    
+
    PKCS #11 Tools
    
+
    Using the HSM
    
+
    Specifying the engine on the command line
    
+
    Running named with automatic zone re-signing
    
+
    
+
    IPv6 Support in BIND 9
    
+
    
+
    Address Lookups Using AAAA Records
    
+
    Address to Name Lookups Using Nibble Format
    
 
    
 
    
 
    5. The BIND 9 Lightweight Resolver
    
 
    
-
    The Lightweight Resolver Library
    
+
    The Lightweight Resolver Library
    
 
    Running a Resolver Daemon
    
 
    
 
    6. BIND 9 Configuration Reference
    
@@ -127,55 +157,58 @@
 
    Configuration File Elements
    
 
    
 
    Address Match Lists
    
-
    Comment Syntax
    
+
    Comment Syntax
    
 
    
 
    Configuration File Grammar
    
 
    
-
    acl Statement Grammar
    
+
    acl Statement Grammar
    
 
    acl Statement Definition and
           Usage
    
-
    controls Statement Grammar
    
+
    controls Statement Grammar
    
 
    controls Statement Definition and
           Usage
    
-
    include Statement Grammar
    
-
    include Statement Definition and
+
    include Statement Grammar
    
+
    include Statement Definition and
           Usage
    
-
    key Statement Grammar
    
-
    key Statement Definition and Usage
    
-
    logging Statement Grammar
    
-
    logging Statement Definition and
+
    key Statement Grammar
    
+
    key Statement Definition and Usage
    
+
    logging Statement Grammar
    
+
    logging Statement Definition and
           Usage
    
-
    lwres Statement Grammar
    
-
    lwres Statement Definition and Usage
    
-
    masters Statement Grammar
    
-
    masters Statement Definition and
+
    lwres Statement Grammar
    
+
    lwres Statement Definition and Usage
    
+
    masters Statement Grammar
    
+
    masters Statement Definition and
           Usage
    
-
    options Statement Grammar
    
+
    options Statement Grammar
    
 
    options Statement Definition and
           Usage
    
 
    server Statement Grammar
    
 
    server Statement Definition and
             Usage
    
 
    statistics-channels Statement Grammar
    
-
    statistics-channels Statement Definition and
+
    statistics-channels Statement Definition and
             Usage
    
-
    trusted-keys Statement Grammar
    
-
    trusted-keys Statement Definition
+
    trusted-keys Statement Grammar
    
+
    trusted-keys Statement Definition
+            and Usage
    
+
    managed-keys Statement Grammar
    
+
    managed-keys Statement Definition
             and Usage
    
 
    view Statement Grammar
    
-
    view Statement Definition and Usage
    
+
    view Statement Definition and Usage
    
 
    zone
             Statement Grammar
    
-
    zone Statement Definition and Usage
    
+
    zone Statement Definition and Usage
    
 
    
-
    Zone File
    
+
    Zone File
    
 
    
 
    Types of Resource Records and When to Use Them
    
-
    Discussion of MX Records
    
+
    Discussion of MX Records
    
 
    Setting TTLs
    
-
    Inverse Mapping in IPv4
    
-
    Other Zone File Directives
    
-
    BIND Master File Extension: the  $GENERATE Directive
    
+
    Inverse Mapping in IPv4
    
+
    Other Zone File Directives
    
+
    BIND Master File Extension: the  $GENERATE Directive
    
 
    Additional File Formats
    
 
    
 
    BIND9 Statistics
    
@@ -184,31 +217,41 @@
 
    7. BIND 9 Security Considerations
    
 
    
 
    Access Control Lists
    
-
    Chroot and Setuid
    
+
    Chroot and Setuid
    
 
    
-
    The chroot Environment
    
-
    Using the setuid Function
    
+
    The chroot Environment
    
+
    Using the setuid Function
    
 
    
 
    Dynamic Update Security
    
 
    
 
    8. Troubleshooting
    
 
    
-
    Common Problems
    
-
    It's not working; how can I figure out what's wrong?
    
-
    Incrementing and Changing the Serial Number
    
-
    Where Can I Get Help?
    
+
    Common Problems
    
+
    It's not working; how can I figure out what's wrong?
    
+
    Incrementing and Changing the Serial Number
    
+
    Where Can I Get Help?
    
 
    
 
    A. Appendices
    
 
    
-
    Acknowledgments
    
+
    Acknowledgments
    
 
    A Brief History of the DNS and BIND
    
-
    General DNS Reference Information
    
+
    General DNS Reference Information
    
 
    IPv6 addresses (AAAA)
    
 
    Bibliography (and Suggested Reading)
    
 
    
 
    Request for Comments (RFCs)
    
 
    Internet Drafts
    
-
    Other Documents About BIND
    
+
    Other Documents About BIND
    
+
    
+
    BIND 9 DNS Library Support
    
+
    
+
    Prerequisite
    
+
    Compilation
    
+
    Installation
    
+
    Known Defects/Restrictions
    
+
    The dns.conf File
    
+
    Sample Applications
    
+
    Library References
    
 
    
 
    
 
    I. Manual pages
    
@@ -229,6 +272,12 @@
 dnssec-keygen — DNSSEC key generation tool
 
 
    
+dnssec-revoke — Set the REVOKED bit on a DNSSEC key
+
    
+
    
+dnssec-settime — Set the key timing metadata for a DNSSEC key
+
    
+
    
 dnssec-signzone — DNSSEC zone signing tool
 
    
 
    
@@ -241,6 +290,9 @@
 named — Internet domain name server
 
    
 
    
+named-journalprint — print zone journal in human-readable form
+
    
+
    
 nsupdate — Dynamic DNS update utility
 
    
 
    
@@ -252,6 +304,21 @@
 
    
 rndc-confgen — rndc key generation tool
 
    
+
    
+ddns-confgen — ddns key generation tool
+
    
+
    
+arpaname — translate IP addresses to the corresponding ARPA names
+
    
+
    
+genrandom — generate a file containing random data
+
    
+
    
+isc-hmac-fixup — fixes HMAC keys generated by older versions of BIND
+
    
+
    
+nsec3hash — generate NSEC3 hash
+
    
 
 
 
diff --git a/doc/arm/Bv9ARM.pdf b/doc/arm/Bv9ARM.pdf
index 9fc0349..a8a88dc 100644
--- a/doc/arm/Bv9ARM.pdf
+++ b/doc/arm/Bv9ARM.pdf
@@ -321,894 +321,1218 @@ endobj
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 %%EOF
diff --git a/doc/arm/Makefile.in b/doc/arm/Makefile.in
index 5098528..d9eb8fe 100644
--- a/doc/arm/Makefile.in
+++ b/doc/arm/Makefile.in
@@ -13,7 +13,7 @@
 # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 # PERFORMANCE OF THIS SOFTWARE.
 
-# $Id: Makefile.in,v 1.20.332.2 2009-02-12 23:47:22 tbox Exp $
+# $Id: Makefile.in,v 1.22 2009-02-12 23:47:56 tbox Exp $
 
 srcdir =	@srcdir@
 VPATH =		@srcdir@
diff --git a/doc/arm/dnssec.xml b/doc/arm/dnssec.xml
new file mode 100644
index 0000000..a678b8c
--- /dev/null
+++ b/doc/arm/dnssec.xml
@@ -0,0 +1,268 @@
+
+
+
+
+
+
+  DNSSEC, Dynamic Zones, and Automatic Signing
+  As of BIND 9.7.0 it is possible to change a dynamic zone
+  from insecure to signed and back again. A secure zone can use
+  either NSEC or NSEC3 chains.
+  
+    Converting from insecure to secure
+  
+  Changing a zone from insecure to secure can be done in two
+  ways: using a dynamic DNS update, or the 
+  auto-dnssec zone option.
+  For either method, you need to configure 
+  named so that it can see the 
+  K* files which contain the public and private
+  parts of the keys that will be used to sign the zone. These files
+  will have been generated by 
+  dnssec-keygen. You can do this by placing them
+  in the key-directory, as specified in 
+  named.conf:
+  
+        zone example.net {
+                type master;
+                update-policy local;
+                file "dynamic/example.net/example.net";
+                key-directory "dynamic/example.net";
+        };
+
+  If one KSK and one ZSK DNSKEY key have been generated, this
+  configuration will cause all records in the zone to be signed
+  with the ZSK, and the DNSKEY RRset to be signed with the KSK as
+  well. An NSEC chain will be generated as part of the initial
+  signing process.
+  
+    Dynamic DNS update method
+  
+  To insert the keys via dynamic update:
+  
+        % nsupdate
+        > ttl 3600
+        > update add example.net DNSKEY 256 3 7 AwEAAZn17pUF0KpbPA2c7Gz76Vb18v0teKT3EyAGfBfL8eQ8al35zz3Y I1m/SAQBxIqMfLtIwqWPdgthsu36azGQAX8=
+        > update add example.net DNSKEY 257 3 7 AwEAAd/7odU/64o2LGsifbLtQmtO8dFDtTAZXSX2+X3e/UNlq9IHq3Y0 XtC0Iuawl/qkaKVxXe2lo8Ct+dM6UehyCqk=
+        > send
+
+  While the update request will complete almost immediately,
+  the zone will not be completely signed until 
+  named has had time to walk the zone and
+  generate the NSEC and RRSIG records. The NSEC record at the apex
+  will be added last, to signal that there is a complete NSEC
+  chain.
+  If you wish to sign using NSEC3 instead of NSEC, you should
+  add an NSEC3PARAM record to the initial update request. If you
+  wish the NSEC3 chain to have the OPTOUT bit set, set it in the
+  flags field of the NSEC3PARAM record.
+  
+        % nsupdate
+        > ttl 3600
+        > update add example.net DNSKEY 256 3 7 AwEAAZn17pUF0KpbPA2c7Gz76Vb18v0teKT3EyAGfBfL8eQ8al35zz3Y I1m/SAQBxIqMfLtIwqWPdgthsu36azGQAX8=
+        > update add example.net DNSKEY 257 3 7 AwEAAd/7odU/64o2LGsifbLtQmtO8dFDtTAZXSX2+X3e/UNlq9IHq3Y0 XtC0Iuawl/qkaKVxXe2lo8Ct+dM6UehyCqk=
+        > update add example.net NSEC3PARAM 1 1 100 1234567890
+        > send
+
+  Again, this update request will complete almost
+  immediately; however, the record won't show up until 
+  named has had a chance to build/remove the
+  relevant chain. A private type record will be created to record
+  the state of the operation (see below for more details), and will
+  be removed once the operation completes.
+  While the initial signing and NSEC/NSEC3 chain generation
+  is happening, other updates are possible as well.
+  
+    Fully automatic zone signing
+  
+  To enable automatic signing, add the 
+  auto-dnssec option to the zone statement in 
+  named.conf. 
+  auto-dnssec has two possible arguments: 
+  allow or 
+  maintain.
+  With 
+  auto-dnssec allow, 
+  named can search the key directory for keys
+  matching the zone, insert them into the zone, and use them to
+  sign the zone. It will do so only when it receives an 
+  rndc sign <zonename> or 
+  rndc loadkeys <zonename> command.
+  
+  
+  auto-dnssec maintain includes the above
+  functionality, but will also automatically adjust the zone's
+  DNSKEY records on schedule according to the keys' timing metadata.
+  (See  and
+   for more information.) 
+  If keys are present in the key directory the first time the zone
+  is loaded, it will be signed immediately, without waiting for an 
+  rndc sign or rndc loadkeys
+  command. (Those commands can still be used when there are unscheduled
+  key changes, however.)
+  
+  Using the 
+  auto-dnssec option requires the zone to be
+  configured to allow dynamic updates, by adding an 
+  allow-update or 
+  update-policy statement to the zone
+  configuration. If this has not been done, the configuration will
+  fail.
+  
+    Private-type records
+  
+  The state of the signing process is signaled by
+  private-type records (with a default type value of 65534). When
+  signing is complete, these records will have a nonzero value for
+  the final octet (for those records which have a nonzero initial
+  octet).
+  The private type record format: If the first octet is
+  non-zero then the record indicates that the zone needs to be
+  signed with the key matching the record, or that all signatures
+  that match the record should be removed.
+  
+    
+
+  algorithm (octet 1)
+  key id in network order (octet 2 and 3)
+  removal flag (octet 4)
+  complete flag (octet 5)
+
+  
+  Only records flagged as "complete" can be removed via
+  dynamic update. Attempts to remove other private type records
+  will be silently ignored.
+  If the first octet is zero (this is a reserved algorithm
+  number that should never appear in a DNSKEY record) then the
+  record indicates changes to the NSEC3 chains are in progress. The
+  rest of the record contains an NSEC3PARAM record. The flag field
+  tells what operation to perform based on the flag bits.
+  
+    
+
+  0x01 OPTOUT
+  0x80 CREATE
+  0x40 REMOVE
+  0x20 NONSEC
+
+  
+  
+    DNSKEY rollovers
+  
+  As with insecure-to-secure conversions, rolling DNSSEC
+  keys can be done in two ways: using a dynamic DNS update, or the 
+  auto-dnssec zone option.
+  
+    Dynamic DNS update method
+  
+   To perform key rollovers via dynamic update, you need to add
+  the K* files for the new keys so that 
+  named can find them. You can then add the new
+  DNSKEY RRs via dynamic update. 
+  named will then cause the zone to be signed
+  with the new keys. When the signing is complete the private type
+  records will be updated so that the last octet is non
+  zero.
+  If this is for a KSK you need to inform the parent and any
+  trust anchor repositories of the new KSK.
+  You should then wait for the maximum TTL in the zone before
+  removing the old DNSKEY. If it is a KSK that is being updated,
+  you also need to wait for the DS RRset in the parent to be
+  updated and its TTL to expire. This ensures that all clients will
+  be able to verify at least one signature when you remove the old
+  DNSKEY.
+  The old DNSKEY can be removed via UPDATE. Take care to
+  specify the correct key. 
+  named will clean out any signatures generated
+  by the old key after the update completes.
+  
+    Automatic key rollovers
+  
+  When a new key reaches its activation date (as set by
+  dnssec-keygen or dnssec-settime),
+  if the auto-dnssec zone option is set to 
+  maintain, named will
+  automatically carry out the key rollover.  If the key's algorithm
+  has not previously been used to sign the zone, then the zone will
+  be fully signed as quickly as possible.  However, if the new key
+  is replacing an existing key of the same algorithm, then the
+  zone will be re-signed incrementally, with signatures from the
+  old key being replaced with signatures from the new key as their
+  signature validity periods expire.  By default, this rollover
+  completes in 30 days, after which it will be safe to remove the
+  old key from the DNSKEY RRset.
+  
+    NSEC3PARAM rollovers via UPDATE
+  
+  Add the new NSEC3PARAM record via dynamic update. When the
+  new NSEC3 chain has been generated, the NSEC3PARAM flag field
+  will be zero. At this point you can remove the old NSEC3PARAM
+  record. The old chain will be removed after the update request
+  completes.
+  
+    Converting from NSEC to NSEC3
+  
+  To do this, you just need to add an NSEC3PARAM record. When
+  the conversion is complete, the NSEC chain will have been removed
+  and the NSEC3PARAM record will have a zero flag field. The NSEC3
+  chain will be generated before the NSEC chain is
+  destroyed.
+  
+    Converting from NSEC3 to NSEC
+  
+  To do this, use nsupdate to
+  remove all NSEC3PARAM records with a zero flag
+  field. The NSEC chain will be generated before the NSEC3 chain is
+  removed.
+  
+    Converting from secure to insecure
+  
+  To convert a signed zone to unsigned using dynamic DNS,
+  delete all the DNSKEY records from the zone apex using
+  nsupdate. All signatures, NSEC or NSEC3 chains,
+  and associated NSEC3PARAM records will be removed automatically.
+  This will take place after the update request completes.
+   This requires the 
+  dnssec-secure-to-insecure option to be set to 
+  yes in 
+  named.conf.
+  In addition, if the auto-dnssec maintain
+  zone statement is used, it should be removed or changed to
+  allow instead (or it will re-sign).
+  
+  
+    Periodic re-signing
+  
+  In any secure zone which supports dynamic updates, named
+  will periodically re-sign RRsets which have not been re-signed as
+  a result of some update action. The signature lifetimes will be
+  adjusted so as to spread the re-sign load over time rather than
+  all at once.
+  
+    NSEC3 and OPTOUT
+  
+  
+  named only supports creating new NSEC3 chains
+  where all the NSEC3 records in the zone have the same OPTOUT
+  state. 
+  named supports UPDATES to zones where the NSEC3
+  records in the chain have mixed OPTOUT state. 
+  named does not support changing the OPTOUT
+  state of an individual NSEC3 record, the entire chain needs to be
+  changed if the OPTOUT state of an individual NSEC3 needs to be
+  changed.
+
diff --git a/doc/arm/libdns.xml b/doc/arm/libdns.xml
new file mode 100644
index 0000000..8861f2c
--- /dev/null
+++ b/doc/arm/libdns.xml
@@ -0,0 +1,530 @@
+
+
+
+
+  BIND 9 DNS Library Support
+  This version of BIND 9 "exports" its internal libraries so
+  that they can be used by third-party applications more easily (we
+  call them "export" libraries in this document). In addition to
+  all major DNS-related APIs BIND 9 is currently using, the export
+  libraries provide the following features:
+  
+    
+      The newly created "DNS client" module. This is a higher
+      level API that provides an interface to name resolution,
+      single DNS transaction with a particular server, and dynamic
+      update. Regarding name resolution, it supports advanced
+      features such as DNSSEC validation and caching. This module
+      supports both synchronous and asynchronous mode.
+    
+    
+      The new "IRS" (Information Retrieval System) library.
+      It provides an interface to parse the traditional resolv.conf
+      file and more advanced, DNS-specific configuration file for
+      the rest of this package (see the description for the
+      dns.conf file below).
+    
+    
+      As part of the IRS library, newly implemented standard
+      address-name mapping functions, getaddrinfo() and
+      getnameinfo(), are provided. They use the DNSSEC-aware
+      validating resolver backend, and could use other advanced
+      features of the BIND 9 libraries such as caching. The
+      getaddrinfo() function resolves both A and AAAA RRs
+      concurrently (when the address family is unspecified).
+    
+    
+      An experimental framework to support other event
+      libraries than BIND 9's internal event task system.
+    
+  
+  
+    Prerequisite
+  GNU make is required to build the export libraries (other
+  part of BIND 9 can still be built with other types of make). In
+  the reminder of this document, "make" means GNU make. Note that
+  in some platforms you may need to invoke a different command name
+  than "make" (e.g. "gmake") to indicate it's GNU make.
+  
+  
+    Compilation
+  
+$ ./configure --enable-exportlib [other flags]
+$ make
+
+  
+  This will create (in addition to usual BIND 9 programs) and a
+  separate set of libraries under the lib/export directory. For
+  example, lib/export/dns/libdns.a is the archive file of the
+  export version of the BIND 9 DNS library. Sample application
+  programs using the libraries will also be built under the
+  lib/export/samples directory (see below).
+  
+  
+    Installation
+  
+$ cd lib/export
+$ make install
+
+  
+  This will install library object files under the directory
+  specified by the --with-export-libdir configure option (default:
+  EPREFIX/lib/bind9), and header files under the directory
+  specified by the --with-export-includedir configure option
+  (default: PREFIX/include/bind9).
+  Root privilege is normally required.
+  "make install" at the top directory will do the
+  same.
+  
+  
+  To see how to build your own
+  application after the installation, see
+  lib/export/samples/Makefile-postinstall.in.
+  
+  
+    Known Defects/Restrictions
+  
+    
+
+      Currently, win32 is not supported for the export
+      library. (Normal BIND 9 application can be built as
+      before).
+    
+    
+      The "fixed" RRset order is not (currently) supported in
+      the export library. If you want to use "fixed" RRset order
+      for, e.g. named while still building the
+      export library even without the fixed order support, build
+      them separately:
+      
+$ ./configure --enable-fixed-rrset [other flags, but not --enable-exportlib]
+$ make
+$ ./configure --enable-exportlib [other flags, but not --enable-fixed-rrset]
+$ cd lib/export
+$ make
+
+    
+    
+    
+      The client module and the IRS library currently do not
+      support DNSSEC validation using DLV (the underlying modules
+      can handle it, but there is no tunable interface to enable
+      the feature).
+    
+    
+      RFC 5011 is not supported in the validating stub
+      resolver of the export library. In fact, it is not clear
+      whether it should: trust anchors would be a system-wide
+      configuration which would be managed by an administrator,
+      while the stub resolver will be used by ordinary applications
+      run by a normal user.
+    
+    
+      Not all common /etc/resolv.conf
+      options are supported
+      in the IRS library. The only available options in this
+      version are "debug" and "ndots".
+    
+  
+  
+  
+    The dns.conf File
+  The IRS library supports an "advanced" configuration file
+  related to the DNS library for configuration parameters that
+  would be beyond the capability of the
+  resolv.conf file.
+  Specifically, it is intended to provide DNSSEC related
+  configuration parameters. By default the path to this
+  configuration file is /etc/dns.conf.
+  This module is very
+  experimental and the configuration syntax or library interfaces
+  may change in future versions. Currently, only the
+  trusted-keys
+  statement is supported, whose syntax is the same as the same name
+  of statement for named.conf. (See
+   for details.)
+  
+  
+    Sample Applications
+  Some sample application programs using this API are
+  provided for reference. The following is a brief description of
+  these applications.
+  
+  
+    sample: a simple stub resolver utility
+  
+  It sends a query of a given name (of a given optional RR type) to a
+  specified recursive server, and prints the result as a list of
+  RRs. It can also act as a validating stub resolver if a trust
+  anchor is given via a set of command line options.
+  
+  Usage: sample [options] server_address hostname
+  
+  
+  Options and Arguments:
+  
+  
+  
+  
+  -t RRtype
+  
+  
+        specify the RR type of the query.  The default is the A RR.
+  
+  
+  
+  
+  [-a algorithm] [-e] -k keyname -K keystring
+  
+  
+        specify a command-line DNS key to validate the answer.  For
+        example, to specify the following DNSKEY of example.com:
+
+                example.com. 3600 IN DNSKEY 257 3 5 xxx
+
+        specify the options as follows:
+
+
+          -e -k example.com -K "xxx"
+
+
+        -e means that this key is a zone's "key signing key" (as known
+        as "secure Entry point").
+        When -a is omitted rsasha1 will be used by default.
+  
+  
+  
+  
+  -s domain:alt_server_address
+  
+  
+         specify a separate recursive server address for the specific
+        "domain".  Example: -s example.com:2001:db8::1234
+  
+  
+  
+  server_address
+  
+        an IP(v4/v6) address of the recursive server to which queries
+        are sent.
+  
+  
+  
+  hostname
+  
+        the domain name for the query
+  
+  
+  
+  
+  
+    sample-async: a simple stub resolver, working asynchronously
+  
+  Similar to "sample", but accepts a list
+  of (query) domain names as a separate file and resolves the names
+  asynchronously.
+  
+    Usage: sample-async [-s server_address] [-t RR_type] input_file
+  
+ Options and Arguments:
+  
+  
+  
+   
+   -s server_address
+   
+  
+   an IPv4 address of the recursive server to which queries are sent.
+  (IPv6 addresses are not supported in this implementation)
+  
+  
+  
+  
+   -t RR_type
+  
+  
+  specify the RR type of the queries. The default is the A
+  RR.
+  
+  
+  
+  
+   input_file
+  
+  
+   a list of domain names to be resolved. each line
+  consists of a single domain name. Example:
+  
+  www.example.com
+  mx.examle.net
+  ns.xxx.example
+
+  
+    
+    
+  
+  
+    sample-request: a simple DNS transaction client
+  
+  It sends a query to a specified server, and
+  prints the response with minimal processing. It doesn't act as a
+  "stub resolver": it stops the processing once it gets any
+  response from the server, whether it's a referral or an alias
+  (CNAME or DNAME) that would require further queries to get the
+  ultimate answer. In other words, this utility acts as a very
+  simplified dig.
+  
+  
+  Usage: sample-request [-t RRtype] server_address hostname
+  
+  
+    Options and Arguments:
+  
+  
+  
+   
+   -t RRtype
+  
+  
+  
+  specify the RR type of
+  the queries. The default is the A RR.
+  
+  
+  
+  
+  
+  server_address
+  
+  
+  
+   an IP(v4/v6)
+  address of the recursive server to which the query is sent.
+  
+  
+  
+  
+  
+  hostname
+  
+  
+  
+  the domain name for the query
+  
+  
+  
+  
+  
+  
+    sample-gai: getaddrinfo() and getnameinfo() test code
+  
+  This is a test program
+  to check getaddrinfo() and getnameinfo() behavior. It takes a
+  host name as an argument, calls getaddrinfo() with the given host
+  name, and calls getnameinfo() with the resulting IP addresses
+  returned by getaddrinfo(). If the dns.conf file exists and
+  defines a trust anchor, the underlying resolver will act as a
+  validating resolver, and getaddrinfo()/getnameinfo() will fail
+  with an EAI_INSECUREDATA error when DNSSEC validation fails.
+  
+  
+  Usage: sample-gai hostname
+  
+  
+  
+    sample-update: a simple dynamic update client program
+  
+  It accepts a single update command as a
+  command-line argument, sends an update request message to the
+  authoritative server, and shows the response from the server. In
+  other words, this is a simplified nsupdate.
+  
+  
+   Usage: sample-update [options] (add|delete) "update data"
+  
+  
+  Options and Arguments:
+  
+  
+  
+   
+  -a auth_server
+   
+   
+        An IP address of the authoritative server that has authority
+        for the zone containing the update name.  This should normally
+        be the primary authoritative server that accepts dynamic
+        updates.  It can also be a secondary server that is configured
+        to forward update requests to the primary server.
+   
+   
+   
+   
+  -k keyfile
+   
+   
+        A TSIG key file to secure the update transaction.  The keyfile
+        format is the same as that for the nsupdate utility.
+   
+   
+   
+   
+  -p prerequisite
+   
+   
+        A prerequisite for the update (only one prerequisite can be
+        specified).  The prerequisite format is the same as that is
+        accepted by the nsupdate utility.
+   
+   
+   
+   
+  -r recursive_server
+   
+   
+        An IP address of a recursive server that this utility will
+        use.  A recursive server may be necessary to identify the
+        authoritative server address to which the update request is
+        sent.
+   
+   
+   
+   
+  -z zonename
+   
+   
+        The domain name of the zone that contains
+   
+   
+   
+   
+  (add|delete)
+   
+   
+        Specify the type of update operation.  Either "add" or "delete"
+        must be specified.
+   
+   
+   
+   
+  "update data"
+   
+   
+        Specify the data to be updated.  A typical example of the data
+        would look like "name TTL RRtype RDATA".
+  
+  
+  
+
+   In practice, either -a or -r must be specified.  Others can
+   be optional; the underlying library routine tries to identify the
+   appropriate server and the zone name for the update.
+
+   
+   Examples: assuming the primary authoritative server of the
+   dynamic.example.com zone has an IPv6 address 2001:db8::1234,
+   
+   
+$ sample-update -a sample-update -k Kxxx.+nnn+mmmm.key add "foo.dynamic.example.com 30 IN A 192.168.2.1"
+   
+     adds an A RR for foo.dynamic.example.com using the given key.
+   
+   
+$ sample-update -a sample-update -k Kxxx.+nnn+mmmm.key delete "foo.dynamic.example.com 30 IN A"
+   
+     removes all A RRs for foo.dynamic.example.com using the given key.
+   
+      
+$ sample-update -a sample-update -k Kxxx.+nnn+mmmm.key delete "foo.dynamic.example.com"
+   
+     removes all RRs for foo.dynamic.example.com using the given key.
+   
+  
+  
+    nsprobe: domain/name server checker in terms of RFC 4074
+  
+  It checks a set
+  of domains to see the name servers of the domains behave
+  correctly in terms of RFC 4074. This is included in the set of
+  sample programs to show how the export library can be used in a
+  DNS-related application.
+  
+  
+ Usage: nsprobe [-d] [-v [-v...]] [-c cache_address] [input_file]
+  
+  
+   Options
+  
+
+  
+  
+  
+  -d
+  
+  
+        run in the "debug" mode.  with this option nsprobe will dump
+        every RRs it receives.
+  
+  
+  
+  
+  -v
+  
+  
+        increase verbosity of other normal log messages.  This can be
+        specified multiple times
+  
+  
+  
+  
+  -c cache_address
+  
+  
+        specify an IP address of a recursive (caching) name server.
+        nsprobe uses this server to get the NS RRset of each domain and
+        the A and/or AAAA RRsets for the name servers.  The default
+        value is 127.0.0.1.
+  
+  
+  
+  
+  input_file
+  
+  
+        a file name containing a list of domain (zone) names to be
+        probed.  when omitted the standard input will be used.  Each
+        line of the input file specifies a single domain name such as
+        "example.com".  In general this domain name must be the apex
+        name of some DNS zone (unlike normal "host names" such as
+        "www.example.com").  nsprobe first identifies the NS RRsets for
+        the given domain name, and sends A and AAAA queries to these
+        servers for some "widely used" names under the zone;
+        specifically, adding "www" and "ftp" to the zone name.
+  
+  
+  
+  
+  
+  
+    Library References
+  As of this writing, there is no formal "manual" of the
+  libraries, except this document, header files (some of them
+  provide pretty detailed explanations), and sample application
+  programs.
+  
+
+
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                         Mismatch responses received.
+                        The DNS ID, response's source address,
+                        and/or the response's source port does not
+                        match what was expected.
+                        (The port must be 53 or as defined by
+                        the port option.)
+                        This may be an indication of a cache
+                        poisoning attempt.
                       
    
                         		
 
    
 
 
 
 
 
 
    
+
+
+
+
+
+
+
    arpaname
    
+Prev Manual pages Next
+
    
+
    
+
    
+
    
+
    
+
    
+
    Name
    
+
    arpaname — translate IP addresses to the corresponding ARPA names
    
+
    
+
    
+
    Synopsis
    
+
    arpaname  {ipaddress ...}
    
+
    
+
    
+
    DESCRIPTION
    
+
    
+      arpaname translates IP addresses (IPv4 and
+      IPv6) to the corresponding IN-ADDR.ARPA or IP6.ARPA names.
+    
    
+
    
+
    
+
    SEE ALSO
    
+
    
+      BIND 9 Administrator Reference Manual.
+    
    
+
    
+
    
+
    AUTHOR
    
+
    Internet Systems Consortium
+    
    
+
    
+
    
+
    
+
    
+
+
+
+
+
+
+
+
+
+
+
+
    
+Prev Up Next
+
    
+ddns-confgen Home genrandom
+
    
+
    
+
+
diff --git a/doc/arm/man.ddns-confgen.html b/doc/arm/man.ddns-confgen.html
new file mode 100644
index 0000000..0155dbf
--- /dev/null
+++ b/doc/arm/man.ddns-confgen.html
@@ -0,0 +1,180 @@
+
+
+
+
+
+ddns-confgen
+
+
+
+
+
+
+
+
    
+
+
+
+
+
+
+
+
    ddns-confgen
    
+Prev Manual pages Next
+
    
+
    
+
    
+
    
+
    
+
    
+
    Name
    
+
    ddns-confgen — ddns key generation tool
    
+
    
+
    
+
    Synopsis
    
+
    ddns-confgen  [-a algorithm] [-h] [-k keyname] [-r randomfile] [ -s name  |   -z zone ] [-q] [name]
    
+
    
+
    
+
    DESCRIPTION
    
+
    ddns-confgen
+      generates a key for use by nsupdate
+      and named.  It simplifies configuration
+      of dynamic zones by generating a key and providing the
+      nsupdate and named.conf
+      syntax that will be needed to use it, including an example
+      update-policy statement.
+    
    
+
    
+      If a domain name is specified on the command line, it will
+      be used in the name of the generated key and in the sample
+      named.conf syntax.  For example,
+      ddns-confgen example.com would
+      generate a key called "ddns-key.example.com", and sample
+      named.conf command that could be used
+      in the zone definition for "example.com".
+    
    
+
    
+      Note that named itself can configure a
+      local DDNS key for use with nsupdate -l.
+      ddns-confgen is only needed when a 
+      more elaborate configuration is required: for instance, if
+      nsupdate is to be used from a remote system.
+    
    
+
    
+
    
+
    OPTIONS
    
+
    
+
    -a algorithm
    
+
    
+            Specifies the algorithm to use for the TSIG key.  Available
+            choices are: hmac-md5, hmac-sha1, hmac-sha224, hmac-sha256,
+            hmac-sha384 and hmac-sha512.  The default is hmac-sha256.
+	  
    
+
    -h
    
+
    
+	    Prints a short summary of the options and arguments to
+	    ddns-confgen.
+	  
    
+
    -k keyname
    
+
    
+	    Specifies the key name of the DDNS authentication key.
+	    The default is ddns-key when neither
+	    the -s nor -z option is
+	    specified; otherwise, the default
+	    is ddns-key as a separate label
+	    followed by the argument of the option, e.g.,
+	    ddns-key.example.com.
+	    The key name must have the format of a valid domain name,
+	    consisting of letters, digits, hyphens and periods.
+	  
    
+
    -q
    
+
    
+	    Quiet mode:  Print only the key, with no explanatory text or
+            usage examples.
+	  
    
+
    -r randomfile
    
+
    
+            Specifies a source of random data for generating the
+            authorization.  If the operating system does not provide a
+            /dev/random or equivalent device, the
+            default source of randomness is keyboard input.
+            randomdev specifies the name of a
+            character device or file containing random data to be used
+            instead of the default.  The special value
+            keyboard indicates that keyboard input
+            should be used.
+	  
    
+
    -s name
    
+
    
+	    Single host mode: The example named.conf text
+	    shows how to set an update policy for the specified
+	    name
+	    using the "name" nametype.
+	    The default key name is
+	    ddns-key.name.
+	    Note that the "self" nametype cannot be used, since
+	    the name to be updated may differ from the key name.
+	    This option cannot be used with the -z option.
+	  
    
+
    -z zone
    
+
    
+	    zone mode:  The example named.conf text
+            shows how to set an update policy for the specified
+	    zone
+	    using the "zonesub" nametype, allowing updates to all subdomain
+	    names within
+	    that zone.
+	    This option cannot be used with the -s option.
+	  
    
+
    
+
    
+
    
+
    SEE ALSO
    
+
    nsupdate(1),
+      named.conf(5),
+      named(8),
+      BIND 9 Administrator Reference Manual.
+    
    
+
    
+
    
+
    AUTHOR
    
+
    Internet Systems Consortium
+    
    
+
    
+
    
+
    
+
    
+
+
+
+
+
+
+
+
+
+
+
+
    
+Prev Up Next
+
    
+rndc-confgen Home arpaname
+
    
+
    
+
+
diff --git a/doc/arm/man.dig.html b/doc/arm/man.dig.html
index 6afc34b..73b2b88 100644
--- a/doc/arm/man.dig.html
+++ b/doc/arm/man.dig.html
@@ -1,5 +1,5 @@
 
-
+
 
 
 
@@ -52,7 +52,7 @@
 
    dig  [global-queryopt...] [query...]
    
 
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    dig
       (domain information groper) is a flexible tool
       for interrogating DNS name servers.  It performs DNS lookups and
@@ -98,7 +98,7 @@
     
    
 
    
 
    
-
    SIMPLE USAGE
    
+
    SIMPLE USAGE
    
 
    
       A typical invocation of dig looks like:
       
    
@@ -144,7 +144,7 @@
     
    
 
    
 
    
-
    OPTIONS
    
+
    OPTIONS
    
 
    
       The -b option sets the source IP address of the query
       to address.  This must be a valid
@@ -248,7 +248,7 @@
     
    
 
    
 
    
-
    QUERY OPTIONS
    
+
    QUERY OPTIONS
    
 
    dig
       provides a number of query options which affect
       the way in which lookups are made and the results displayed.  Some of
@@ -517,6 +517,12 @@
               each record on a single line, to facilitate machine parsing
               of the dig output.
             
    
+
    +[no]onesoa
    
+
    
+	      Print only one (starting) SOA record when performing
+	      an AXFR. The default is to print both the starting and
+	      ending SOA records.
+	    
    
 
    +[no]fail
    
 
    
               Do not try the next server if you receive a SERVFAIL.  The
@@ -573,7 +579,7 @@
     
    
 
    
 
    
-
    MULTIPLE QUERIES
    
+
    MULTIPLE QUERIES
    
 
    
       The BIND 9 implementation of dig 
       supports
@@ -619,7 +625,7 @@ dig +qr www.isc.org any -x 127.0.0.1 isc.org ns +noqr
     
    
 
    
 
    
-
    IDN SUPPORT
    
+
    IDN SUPPORT
    
 
    
       If dig has been built with IDN (internationalized
       domain name) support, it can accept and display non-ASCII domain names.
@@ -633,14 +639,14 @@ dig +qr www.isc.org any -x 127.0.0.1 isc.org ns +noqr
     
    
 
    
 
    
-
    FILES
    
+
    FILES
    
 
    /etc/resolv.conf
     
    
 
    ${HOME}/.digrc
     
    
 
    
 
    
-
    SEE ALSO
    
+
    SEE ALSO
    
 
    host(1),
       named(8),
       dnssec-keygen(8),
@@ -648,7 +654,7 @@ dig +qr www.isc.org any -x 127.0.0.1 isc.org ns +noqr
     
    
 
    
 
    
-
    BUGS
    
+
    BUGS
    
 
    
       There are probably too many query options.
     
    
diff --git a/doc/arm/man.dnssec-dsfromkey.html b/doc/arm/man.dnssec-dsfromkey.html
index 245d387..133bfbc 100644
--- a/doc/arm/man.dnssec-dsfromkey.html
+++ b/doc/arm/man.dnssec-dsfromkey.html
@@ -1,5 +1,5 @@
 
-
+
 
 
 
@@ -47,18 +47,18 @@
 
    
 
    
 
    Synopsis
    
-
    dnssec-dsfromkey  [-v level] [-1] [-2] [-a alg] {keyfile}
    
-
    dnssec-dsfromkey  {-s} [-v level] [-1] [-2] [-a alg] [-c class] [-d dir] {dnsname}
    
+
    dnssec-dsfromkey  [-v level] [-1] [-2] [-a alg] [-l domain] {keyfile}
    
+
    dnssec-dsfromkey  {-s} [-1] [-2] [-a alg] [-K directory] [-l domain] [-s] [-c class] [-f file] [-A] [-v level] {dnsname}
    
 
    
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    dnssec-dsfromkey
       outputs the Delegation Signer (DS) resource record (RR), as defined in
       RFC 3658 and RFC 4509, for the given key(s).
     
    
 
    
 
    
-
    OPTIONS
    
+
    OPTIONS
    
 
    
 
    -1
    
 
    
@@ -72,34 +72,54 @@
 
    -a algorithm
    
 
    
             Select the digest algorithm. The value of
-            algorithm must be one of SHA-1 (SHA1) or
-            SHA-256 (SHA256). These values are case insensitive.
+            algorithm must be one of SHA-1 (SHA1),
+            SHA-256 (SHA256) or GOST. These values are case insensitive.
           
    
-
    -v level
    
+
    -K directory
    
 
    
-            Sets the debugging level.
+            Look for key files (or, in keyset mode,
+            keyset- files) in
+            directory.
+          
    
+
    -f file
    
+
    
+            Zone file mode: in place of the keyfile name, the argument is
+            the DNS domain name of a zone master file, which can be read
+            from file.  If the zone name is the same as
+            file, then it may be omitted.
+          
    
+
    -A
    
+
    
+            Include ZSK's when generating DS records.  Without this option,
+            only keys which have the KSK flag set will be converted to DS
+            records and printed.  Useful only in zone file mode. 
+          
    
+
    -l domain
    
+
    
+            Generate a DLV set instead of a DS set.  The specified
+            domain is appended to the name for each
+            record in the set.
+            The DNSSEC Lookaside Validation (DLV) RR is described
+            in RFC 4431.
           
    
 
    -s
    
 
    
             Keyset mode: in place of the keyfile name, the argument is
-            the DNS domain name of a keyset file. Following options make sense
-            only in this mode.
+            the DNS domain name of a keyset file.
           
    
 
    -c class
    
 
    
-            Specifies the DNS class (default is IN), useful only
-            in the keyset mode.
+            Specifies the DNS class (default is IN).  Useful only
+            in keyset or zone file mode.
           
    
-
    -d directory
    
+
    -v level
    
 
    
-            Look for keyset files in
-            directory as the directory, ignored when
-            not in the keyset mode.
+            Sets the debugging level.
           
    
 
    
 
    
 
    
-
    EXAMPLE
    
+
    EXAMPLE
    
 
    
       To build the SHA-256 DS RR from the
       Kexample.com.+003+26160
@@ -114,7 +134,7 @@
     
    
 
    
 
    
-
    FILES
    
+
    FILES
    
 
    
       The keyfile can be designed by the key identification
       Knnnn.+aaa+iiiii or the full file name
@@ -128,22 +148,23 @@
     
    
 
    
 
    
-
    CAVEAT
    
+
    CAVEAT
    
 
    
       A keyfile error can give a "file not found" even if the file exists.
     
    
 
    
 
    
-
    SEE ALSO
    
+
    SEE ALSO
    
 
    dnssec-keygen(8),
       dnssec-signzone(8),
       BIND 9 Administrator Reference Manual,
       RFC 3658,
+      RFC 4431.
       RFC 4509.
     
    
 
    
 
    
-
    AUTHOR
    
+
    AUTHOR
    
 
    Internet Systems Consortium
     
    
 
    
diff --git a/doc/arm/man.dnssec-keyfromlabel.html b/doc/arm/man.dnssec-keyfromlabel.html
index 4a28c5e..670c85a 100644
--- a/doc/arm/man.dnssec-keyfromlabel.html
+++ b/doc/arm/man.dnssec-keyfromlabel.html
@@ -1,5 +1,5 @@
 
-
+
 
 
 
@@ -47,26 +47,30 @@
 
 
    
 
    Synopsis
    
-
    dnssec-keyfromlabel  {-a algorithm} {-l label} [-c class] [-f flag] [-k] [-n nametype] [-p protocol] [-t type] [-v level] {name}
    
+
    dnssec-keyfromlabel  {-l label} [-3] [-a algorithm] [-A date/offset] [-c class] [-D date/offset] [-E engine] [-f flag] [-G] [-I date/offset] [-k] [-K directory] [-n nametype] [-P date/offset] [-p protocol] [-R date/offset] [-t type] [-v level] [-y] {name}
    
 
    
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    dnssec-keyfromlabel
       gets keys with the given label from a crypto hardware and builds
       key files for DNSSEC (Secure DNS), as defined in RFC 2535
       and RFC 4034.  
     
    
+
    
+      The name of the key is specified on the command
+      line.  This must match the name of the zone for which the key is
+      being generated.
+    
    
 
    
 
    
-
    OPTIONS
    
+
    OPTIONS
    
 
    
 
    -a algorithm
    
 
    
 
    
 	    Selects the cryptographic algorithm.  The value of
-	    algorithm must be one of RSAMD5,
- 	    RSASHA1, DSA, NSEC3RSASHA1, NSEC3DSA, RSASHA256,
- 	    RSASHA512 or DH (Diffie Hellman).
+            algorithm must be one of RSAMD5, RSASHA1,
+	    DSA, NSEC3RSASHA1, NSEC3DSA, RSASHA256, RSASHA512 or ECCGOST.
 	    These values are case insensitive.
 	  
    
 
    
@@ -84,10 +88,23 @@
             Note 2: DH automatically sets the -k flag.
           
    
 
    
+
    -3
    
+
    
+	    Use an NSEC3-capable algorithm to generate a DNSSEC key.
+            If this option is used and no algorithm is explicitly
+            set on the command line, NSEC3RSASHA1 will be used by
+            default.
+          
    
+
    -E engine
    
+
    
+            Specifies the name of the crypto hardware (OpenSSL engine).
+            When compiled with PKCS#11 support it defaults to "pkcs11".
+          
    
 
    -l label
    
 
    
-            Specifies the label of keys in the crypto hardware
-            (PKCS#11 device).
+            Specifies the label of the key pair in the crypto hardware.
+            The label may be preceded by an optional OpenSSL engine name,
+            separated by a colon, as in "pkcs11:keylabel".
           
    
 
    -n nametype
    
 
    
@@ -96,8 +113,17 @@
             zone key (KEY/DNSKEY)), HOST or ENTITY (for a key associated with
             a host (KEY)),
             USER (for a key associated with a user(KEY)) or OTHER (DNSKEY).
-            These values are
-            case insensitive.
+            These values are case insensitive.
+          
    
+
    -C
    
+
    
+	    Compatibility mode:  generates an old-style key, without
+	    any metadata.  By default, dnssec-keyfromlabel
+	    will include the key's creation date in the metadata stored
+	    with the private key, and other dates may be set there as well
+	    (publication date, activation date, etc).  Keys that include
+	    this data may be incompatible with older versions of BIND; the
+	    -C option suppresses them.
           
    
 
    -c class
    
 
    
@@ -107,12 +133,21 @@
 
    -f flag
    
 
    
             Set the specified flag in the flag field of the KEY/DNSKEY record.
-            The only recognized flag is KSK (Key Signing Key) DNSKEY.
+            The only recognized flags are KSK (Key Signing Key) and REVOKE.
+          
    
+
    -G
    
+
    
+            Generate a key, but do not publish it or sign with it.  This
+            option is incompatible with -P and -A.
           
    
 
    -h
    
 
    
             Prints a short summary of the options and arguments to
-            dnssec-keygen.
+            dnssec-keyfromlabel.
+          
    
+
    -K directory
    
+
    
+            Sets the directory in which the key files are to be written.
           
    
 
    -k
    
 
    
@@ -120,7 +155,7 @@
           
    
 
    -p protocol
    
 
    
-            Sets the protocol value for the generated key.  The protocol
+            Sets the protocol value for the key.  The protocol
             is a number between 0 and 255.  The default is 3 (DNSSEC).
             Other possible values for this argument are listed in
             RFC 2535 and its successors.
@@ -136,10 +171,65 @@
 
    
             Sets the debugging level.
           
    
+
    -y
    
+
    
+            Allows DNSSEC key files to be generated even if the key ID
+	    would collide with that of an existing key, in the event of
+	    either key being revoked.  (This is only safe to use if you
+            are sure you won't be using RFC 5011 trust anchor maintenance
+            with either of the keys involved.)
+          
    
+
    
+
    
+
    
+
    TIMING OPTIONS
    
+
    
+      Dates can be expressed in the format YYYYMMDD or YYYYMMDDHHMMSS.
+      If the argument begins with a '+' or '-', it is interpreted as
+      an offset from the present time.  For convenience, if such an offset
+      is followed by one of the suffixes 'y', 'mo', 'w', 'd', 'h', or 'mi',
+      then the offset is computed in years (defined as 365 24-hour days,
+      ignoring leap years), months (defined as 30 24-hour days), weeks,
+      days, hours, or minutes, respectively.  Without a suffix, the offset
+      is computed in seconds.
+    
    
+
    
+
    -P date/offset
    
+
    
+            Sets the date on which a key is to be published to the zone.
+            After that date, the key will be included in the zone but will
+            not be used to sign it.  If not set, and if the -G option has
+            not been used, the default is "now".
+          
    
+
    -A date/offset
    
+
    
+            Sets the date on which the key is to be activated.  After that
+            date, the key will be included in the zone and used to sign
+            it.  If not set, and if the -G option has not been used, the
+            default is "now".
+          
    
+
    -R date/offset
    
+
    
+            Sets the date on which the key is to be revoked.  After that
+            date, the key will be flagged as revoked.  It will be included
+            in the zone and will be used to sign it.
+          
    
+
    -I date/offset
    
+
    
+            Sets the date on which the key is to be retired.  After that
+            date, the key will still be included in the zone, but it
+            will not be used to sign it.
+          
    
+
    -D date/offset
    
+
    
+            Sets the date on which the key is to be deleted.  After that
+            date, the key will no longer be included in the zone.  (It
+            may remain in the key repository, however.)
+          
    
 
    
 
    
 
    
-
    GENERATED KEY FILES
    
+
    GENERATED KEY FILES
    
 
    
       When dnssec-keyfromlabel completes
       successfully,
@@ -151,8 +241,7 @@
 
  • nnnn is the key name.
         
    • 
 
  • aaa is the numeric representation
-          of the
-          algorithm.
+          of the algorithm.
         
    • 
 
  • iiiii is the key identifier (or
           footprint).
@@ -163,8 +252,7 @@
       on the printed string.  Knnnn.+aaa+iiiii.key
       contains the public key, and
       Knnnn.+aaa+iiiii.private contains the
-      private
-      key.
+      private key.
     
    
 
    
       The .key file contains a DNS KEY record
@@ -173,14 +261,14 @@
       statement).
     
    
 
    
-      The .private file contains algorithm
-      specific
+      The .private file contains
+      algorithm-specific
       fields.  For obvious security reasons, this file does not have
       general read permission.
     
    
 
    • 
 
    
-
    SEE ALSO
    
+
    SEE ALSO
    
 
    dnssec-keygen(8),
       dnssec-signzone(8),
       BIND 9 Administrator Reference Manual,
@@ -188,7 +276,7 @@
     
    
 
    
 
    
-
    AUTHOR
    
+
    AUTHOR
    
 
    Internet Systems Consortium
     
    
 
    
diff --git a/doc/arm/man.dnssec-keygen.html b/doc/arm/man.dnssec-keygen.html
index d775f56..3d63f8e 100644
--- a/doc/arm/man.dnssec-keygen.html
+++ b/doc/arm/man.dnssec-keygen.html
@@ -1,5 +1,5 @@
 
-
+
 
 
 
@@ -23,7 +23,7 @@
 
 
 
-
+
 
 
 
    
@@ -33,7 +33,7 @@
 
 Prev 
 Manual pages
- Next
+ Next
 
 
 
@@ -47,14 +47,15 @@
 
    
 
    
 
    Synopsis
    
-
    dnssec-keygen  {-a algorithm} {-b keysize} {-n nametype} [-c class] [-e] [-f flag] [-g generator] [-h] [-k] [-p protocol] [-r randomdev] [-s strength] [-t type] [-v level] {name}
    
+
    dnssec-keygen  [-a algorithm] [-b keysize] [-n nametype] [-3] [-A date/offset] [-C] [-c class] [-D date/offset] [-E engine] [-e] [-f flag] [-G] [-g generator] [-h] [-I date/offset] [-i interval] [-K directory] [-k] [-P date/offset] [-p protocol] [-q] [-R date/offset] [-r randomdev] [-S key] [-s strength] [-t type] [-v level] [-z] {name}
    
 
    
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    dnssec-keygen
       generates keys for DNSSEC (Secure DNS), as defined in RFC 2535
       and RFC 4034.  It can also generate keys for use with
-      TSIG (Transaction Signatures), as defined in RFC 2845.
+      TSIG (Transaction Signatures) as defined in RFC 2845, or TKEY
+      (Transaction Key) as defined in RFC 2930.
     
    
 
    
       The name of the key is specified on the command
@@ -63,37 +64,56 @@
     
    
 
    
 
    
-
    OPTIONS
    
+
    OPTIONS
    
 
    
 
    -a algorithm
    
 
    
 
    
             Selects the cryptographic algorithm.  For DNSSEC keys, the value
             of algorithm must be one of RSAMD5, RSASHA1,
-            DSA, NSEC3RSASHA1, NSEC3DSA, RSASHA256 or RSASHA512.
-            For TSIG/TKEY, the value must
+	    DSA, NSEC3RSASHA1, NSEC3DSA, RSASHA256, RSASHA512 or ECCGOST.
+	    For TSIG/TKEY, the value must
             be DH (Diffie Hellman), HMAC-MD5, HMAC-SHA1, HMAC-SHA224,
             HMAC-SHA256, HMAC-SHA384, or HMAC-SHA512.  These values are
             case insensitive.
           
    
 
    
+            If no algorithm is specified, then RSASHA1 will be used by
+            default, unless the -3 option is specified,
+            in which case NSEC3RSASHA1 will be used instead.  (If
+            -3 is used and an algorithm is specified,
+            that algorithm will be checked for compatibility with NSEC3.)
+          
    
+
    
             Note 1: that for DNSSEC, RSASHA1 is a mandatory to implement
             algorithm, and DSA is recommended.  For TSIG, HMAC-MD5 is
 	    mandatory.
           
    
 
    
-            Note 2: HMAC-MD5 and DH automatically set the -k flag.
+            Note 2: DH, HMAC-MD5, and HMAC-SHA1 through HMAC-SHA512
+            automatically set the -T KEY option.
           
    
 
    
 
    -b keysize
    
-
    
+
    
+
    
             Specifies the number of bits in the key.  The choice of key
             size depends on the algorithm used.  RSA keys must be
             between 512 and 2048 bits.  Diffie Hellman keys must be between
             128 and 4096 bits.  DSA keys must be between 512 and 1024
             bits and an exact multiple of 64.  HMAC keys must be
             between 1 and 512 bits.
-          
    
+          
    
+
    
+            The key size does not need to be specified if using a default
+            algorithm.  The default key size is 1024 bits for zone signing
+            keys (ZSK's) and 2048 bits for key signing keys (KSK's,
+            generated with -f KSK).  However, if an
+            algorithm is explicitly specified with the -a,
+            then there is no default key size, and the -b
+            must be used.
+          
    
+
 
    -n nametype
    
 
    
             Specifies the owner type of the key.  The value of
@@ -104,11 +124,36 @@
             These values are case insensitive.  Defaults to ZONE for DNSKEY
 	    generation.
           
    
+
    -3
    
+
    
+	    Use an NSEC3-capable algorithm to generate a DNSSEC key.
+            If this option is used and no algorithm is explicitly
+            set on the command line, NSEC3RSASHA1 will be used by
+            default. Note that RSASHA256, RSASHA512 and ECCGOST algorithms
+	    are NSEC3-capable.
+          
    
+
    -C
    
+
    
+	    Compatibility mode:  generates an old-style key, without
+	    any metadata.  By default, dnssec-keygen
+	    will include the key's creation date in the metadata stored
+	    with the private key, and other dates may be set there as well
+	    (publication date, activation date, etc).  Keys that include
+	    this data may be incompatible with older versions of BIND; the
+	    -C option suppresses them.
+          
    
 
    -c class
    
 
    
             Indicates that the DNS record containing the key should have
             the specified class.  If not specified, class IN is used.
           
    
+
    -E engine
    
+
    
+            Uses a crypto hardware (OpenSSL engine) for random number
+            and, when supported, key generation. When compiled with PKCS#11
+            support it defaults to pkcs11; the empty name resets it to
+            no engine.
+          
    
 
    -e
    
 
    
             If generating an RSAMD5/RSASHA1 key, use a large exponent.
@@ -116,7 +161,12 @@
 
    -f flag
    
 
    
             Set the specified flag in the flag field of the KEY/DNSKEY record.
-            		The only recognized flag is KSK (Key Signing Key) DNSKEY.
+            The only recognized flags are KSK (Key Signing Key) and REVOKE.
+          
    
+
    -G
    
+
    
+            Generate a key, but do not publish it or sign with it.  This
+            option is incompatible with -P and -A.
           
    
 
    -g generator
    
 
    
@@ -130,9 +180,13 @@
             Prints a short summary of the options and arguments to
             dnssec-keygen.
           
    
+
    -K directory
    
+
    
+            Sets the directory in which the key files are to be written.
+          
    
 
    -k
    
 
    
-            Generate KEY records rather than DNSKEY records.
+            Deprecated in favor of -T KEY.
           
    
 
    -p protocol
    
 
    
@@ -141,6 +195,20 @@
             Other possible values for this argument are listed in
             RFC 2535 and its successors.
           
    
+
    -q
    
+
    
+            Quiet mode: Suppresses unnecessary output, including
+            progress indication.  Without this option, when
+            dnssec-keygen is run interactively
+            to generate an RSA or DSA key pair, it will print a string
+            of symbols to stderr indicating the
+            progress of the key generation.  A '.' indicates that a
+            random number has been found which passed an initial
+            sieve test; '+' means a number has passed a single
+            round of the Miller-Rabin primality test; a space
+            means that the number has passed all the tests and is
+            a satisfactory key.
+          
    
 
    -r randomdev
    
 
    
             Specifies the source of randomness.  If the operating
@@ -153,12 +221,37 @@
             keyboard indicates that keyboard
             input should be used.
           
    
+
    -S key
    
+
    
+            Create a new key which is an explicit successor to an
+            existing key.  The name, algorithm, size, and type of the
+            key will be set to match the existing key.  The activation
+            date of the new key will be set to the inactivation date of
+            the existing one.  The publication date will be set to the
+            activation date minus the prepublication interval, which
+            defaults to 30 days.
+          
    
 
    -s strength
    
 
    
             Specifies the strength value of the key.  The strength is
             a number between 0 and 15, and currently has no defined
             purpose in DNSSEC.
           
    
+
    -T rrtype
    
+
    
+
    
+            Specifies the resource record type to use for the key.
+            rrtype must be either DNSKEY or KEY.  The
+            default is DNSKEY when using a DNSSEC algorithm, but it can be
+            overridden to KEY for use with SIG(0).
+          
    
+
    
+          
    
+
    
+            Using any TSIG algorithm (HMAC-* or DH) forces this option
+            to KEY.
+          
    
+
    
 
    -t type
    
 
    
             Indicates the use of the key.  type must be
@@ -173,7 +266,78 @@
 
    
 
    
 
    
-
    GENERATED KEYS
    
+
    TIMING OPTIONS
    
+
    
+      Dates can be expressed in the format YYYYMMDD or YYYYMMDDHHMMSS.
+      If the argument begins with a '+' or '-', it is interpreted as
+      an offset from the present time.  For convenience, if such an offset
+      is followed by one of the suffixes 'y', 'mo', 'w', 'd', 'h', or 'mi',
+      then the offset is computed in years (defined as 365 24-hour days,
+      ignoring leap years), months (defined as 30 24-hour days), weeks,
+      days, hours, or minutes, respectively.  Without a suffix, the offset
+      is computed in seconds.
+    
    
+
    
+
    -P date/offset
    
+
    
+            Sets the date on which a key is to be published to the zone.
+            After that date, the key will be included in the zone but will
+            not be used to sign it.  If not set, and if the -G option has
+            not been used, the default is "now".
+          
    
+
    -A date/offset
    
+
    
+            Sets the date on which the key is to be activated.  After that
+            date, the key will be included in the zone and used to sign
+            it.  If not set, and if the -G option has not been used, the
+            default is "now".
+          
    
+
    -R date/offset
    
+
    
+            Sets the date on which the key is to be revoked.  After that
+            date, the key will be flagged as revoked.  It will be included
+            in the zone and will be used to sign it.
+          
    
+
    -I date/offset
    
+
    
+            Sets the date on which the key is to be retired.  After that
+            date, the key will still be included in the zone, but it
+            will not be used to sign it.
+          
    
+
    -D date/offset
    
+
    
+            Sets the date on which the key is to be deleted.  After that
+            date, the key will no longer be included in the zone.  (It
+            may remain in the key repository, however.)
+          
    
+
    -i interval
    
+
    
+
    
+            Sets the prepublication interval for a key.  If set, then
+            the publication and activation dates must be separated by at least
+            this much time.  If the activation date is specified but the
+            publication date isn't, then the publication date will default
+            to this much time before the activation date; conversely, if
+            the publication date is specified but activation date isn't,
+            then activation will be set to this much time after publication.
+          
    
+
    
+            If the key is being created as an explicit successor to another
+            key, then the default prepublication interval is 30 days; 
+            otherwise it is zero.
+          
    
+
    
+            As with date offsets, if the argument is followed by one of
+            the suffixes 'y', 'mo', 'w', 'd', 'h', or 'mi', then the
+            interval is measured in years, months, weeks, days, hours,
+            or minutes, respectively.  Without a suffix, the interval is
+            measured in seconds.
+          
    
+
    
+
    
+
    
+
    
+
    GENERATED KEYS
    
 
    
       When dnssec-keygen completes
       successfully,
@@ -219,7 +383,7 @@
     
    
 
    
 
    
-
    EXAMPLE
    
+
    EXAMPLE
    
 
    
       To generate a 768-bit DSA key for the domain
       example.com, the following command would be
@@ -240,7 +404,7 @@
     
    
 
    
 
    
-
    SEE ALSO
    
+
    SEE ALSO
    
 
    dnssec-signzone(8),
       BIND 9 Administrator Reference Manual,
       RFC 2539,
@@ -249,7 +413,7 @@
     
    
 
    
 
    
-
    AUTHOR
    
+
    AUTHOR
    
 
    Internet Systems Consortium
     
    
 
    
@@ -261,14 +425,14 @@
 
 Prev 
 Up
- Next
+ Next
 
 
 
 
 dnssec-keyfromlabel 
 Home
- dnssec-signzone
+ dnssec-revoke
 
 
 
diff --git a/doc/arm/man.dnssec-revoke.html b/doc/arm/man.dnssec-revoke.html
new file mode 100644
index 0000000..1c9ba5a
--- /dev/null
+++ b/doc/arm/man.dnssec-revoke.html
@@ -0,0 +1,126 @@
+
+
+
+
+
+dnssec-revoke
+
+
+
+
+
+
+
+
    
+
+
+
+
+
+
+
+
    dnssec-revoke
    
+Prev Manual pages Next
+
    
+
    
+
    
+
    
+
    
+
    
+
    Name
    
+
    dnssec-revoke — Set the REVOKED bit on a DNSSEC key
    
+
    
+
    
+
    Synopsis
    
+
    dnssec-revoke  [-hr] [-v level] [-K directory] [-E engine] [-f] {keyfile}
    
+
    
+
    
+
    DESCRIPTION
    
+
    dnssec-revoke
+      reads a DNSSEC key file, sets the REVOKED bit on the key as defined
+      in RFC 5011, and creates a new pair of key files containing the
+      now-revoked key.
+    
    
+
    
+
    
+
    OPTIONS
    
+
    
+
    -h
    
+
    
+	    Emit usage message and exit.
+	  
    
+
    -K directory
    
+
    
+            Sets the directory in which the key files are to reside.
+          
    
+
    -r
    
+
    
+	    After writing the new keyset files remove the original keyset
+	    files.
+	  
    
+
    -v level
    
+
    
+            Sets the debugging level.
+          
    
+
    -E engine
    
+
    
+            Use the given OpenSSL engine. When compiled with PKCS#11 support
+            it defaults to pkcs11; the empty name resets it to no engine.
+          
    
+
    -f
    
+
    
+            Force overwrite: Causes dnssec-revoke to
+            write the new key pair even if a file already exists matching
+            the algorithm and key ID of the revoked key.
+          
    
+
    
+
    
+
    
+
    SEE ALSO
    
+
    dnssec-keygen(8),
+      BIND 9 Administrator Reference Manual,
+      RFC 5011.
+    
    
+
    
+
    
+
    AUTHOR
    
+
    Internet Systems Consortium
+    
    
+
    
+
    
+
    
+
    
+
+
+
+
+
+
+
+
+
+
+
+
    
+Prev Up Next
+
    
+dnssec-keygen Home dnssec-settime
+
    
+
    
+
+
diff --git a/doc/arm/man.dnssec-settime.html b/doc/arm/man.dnssec-settime.html
new file mode 100644
index 0000000..19e467e
--- /dev/null
+++ b/doc/arm/man.dnssec-settime.html
@@ -0,0 +1,247 @@
+
+
+
+
+
+dnssec-settime
+
+
+
+
+
+
+
+
    
+
+
+
+
+
+
+
+
    dnssec-settime
    
+Prev Manual pages Next
+
    
+
    
+
    
+
    
+
    
+
    
+
    Name
    
+
    dnssec-settime — Set the key timing metadata for a DNSSEC key
    
+
    
+
    
+
    Synopsis
    
+
    dnssec-settime  [-f] [-K directory] [-P date/offset] [-A date/offset] [-R date/offset] [-I date/offset] [-D date/offset] [-h] [-v level] [-E engine] {keyfile}
    
+
    
+
    
+
    DESCRIPTION
    
+
    dnssec-settime
+      reads a DNSSEC private key file and sets the key timing metadata
+      as specified by the -P, -A,
+      -R, -I, and -D
+      options.  The metadata can then be used by
+      dnssec-signzone or other signing software to
+      determine when a key is to be published, whether it should be
+      used for signing a zone, etc.
+    
    
+
    
+      If none of these options is set on the command line,
+      then dnssec-settime simply prints the key timing
+      metadata already stored in the key.
+    
    
+
    
+      When key metadata fields are changed, both files of a key
+      pair (Knnnn.+aaa+iiiii.key and
+      Knnnn.+aaa+iiiii.private) are regenerated.
+      Metadata fields are stored in the private file.  A human-readable
+      description of the metadata is also placed in comments in the key
+      file.
+    
    
+
    
+
    
+
    OPTIONS
    
+
    
+
    -f
    
+
    
+	    Force an update of an old-format key with no metadata fields.
+            Without this option, dnssec-settime will
+            fail when attempting to update a legacy key.  With this option,
+            the key will be recreated in the new format, but with the
+            original key data retained.  The key's creation date will be
+            set to the present time. 
+	  
    
+
    -K directory
    
+
    
+            Sets the directory in which the key files are to reside.
+          
    
+
    -h
    
+
    
+	    Emit usage message and exit.
+	  
    
+
    -v level
    
+
    
+            Sets the debugging level.
+          
    
+
    -E engine
    
+
    
+            Use the given OpenSSL engine. When compiled with PKCS#11 support
+            it defaults to pkcs11; the empty name resets it to no engine.
+          
    
+
    
+
    
+
    
+
    TIMING OPTIONS
    
+
    
+      Dates can be expressed in the format YYYYMMDD or YYYYMMDDHHMMSS.
+      If the argument begins with a '+' or '-', it is interpreted as
+      an offset from the present time.  For convenience, if such an offset
+      is followed by one of the suffixes 'y', 'mo', 'w', 'd', 'h', or 'mi',
+      then the offset is computed in years (defined as 365 24-hour days,
+      ignoring leap years), months (defined as 30 24-hour days), weeks,
+      days, hours, or minutes, respectively.  Without a suffix, the offset
+      is computed in seconds.  To unset a date, use 'none'.
+    
    
+
    
+
    -P date/offset
    
+
    
+            Sets the date on which a key is to be published to the zone.
+            After that date, the key will be included in the zone but will
+            not be used to sign it.
+          
    
+
    -A date/offset
    
+
    
+            Sets the date on which the key is to be activated.  After that
+            date, the key will be included in the zone and used to sign
+            it.
+          
    
+
    -R date/offset
    
+
    
+            Sets the date on which the key is to be revoked.  After that
+            date, the key will be flagged as revoked.  It will be included
+            in the zone and will be used to sign it.
+          
    
+
    -I date/offset
    
+
    
+            Sets the date on which the key is to be retired.  After that
+            date, the key will still be included in the zone, but it
+            will not be used to sign it.
+          
    
+
    -D date/offset
    
+
    
+            Sets the date on which the key is to be deleted.  After that
+            date, the key will no longer be included in the zone.  (It
+            may remain in the key repository, however.)
+          
    
+
    -S predecessor key
    
+
    
+            Select a key for which the key being modified will be an
+            explicit successor.  The name, algorithm, size, and type of the
+            predecessor key must exactly match those of the key being
+            modified.  The activation date of the successor key will be set
+            to the inactivation date of the predecessor.  The publication
+            date will be set to the activation date minus the prepublication
+            interval, which defaults to 30 days.
+          
    
+
    -i interval
    
+
    
+
    
+            Sets the prepublication interval for a key.  If set, then
+            the publication and activation dates must be separated by at least
+            this much time.  If the activation date is specified but the
+            publication date isn't, then the publication date will default
+            to this much time before the activation date; conversely, if
+            the publication date is specified but activation date isn't,
+            then activation will be set to this much time after publication.
+          
    
+
    
+            If the key is being set to be an explicit successor to another
+            key, then the default prepublication interval is 30 days; 
+            otherwise it is zero.
+          
    
+
    
+            As with date offsets, if the argument is followed by one of
+            the suffixes 'y', 'mo', 'w', 'd', 'h', or 'mi', then the
+            interval is measured in years, months, weeks, days, hours,
+            or minutes, respectively.  Without a suffix, the interval is
+            measured in seconds.
+          
    
+
    
+
    
+
    
+
    
+
    PRINTING OPTIONS
    
+
    
+      dnssec-settime can also be used to print the
+      timing metadata associated with a key.
+    
    
+
    
+
    -u
    
+
    
+	    Print times in UNIX epoch format.
+	  
    
+
    -p C/P/A/R/I/D/all
    
+
    
+	    Print a specific metadata value or set of metadata values.
+            The -p option may be followed by one or more
+            of the following letters to indicate which value or values to print:
+            C for the creation date,
+            P for the publication date,
+            A for the activation date,
+            R for the revocation date,
+            I for the inactivation date, or
+            D for the deletion date.
+            To print all of the metadata, use -p all.
+	  
    
+
    
+
    
+
    
+
    SEE ALSO
    
+
    dnssec-keygen(8),
+      dnssec-signzone(8),
+      BIND 9 Administrator Reference Manual,
+      RFC 5011.
+    
    
+
    
+
    
+
    AUTHOR
    
+
    Internet Systems Consortium
+    
    
+
    
+
    
+
    
+
    
+
+
+
+
+
+
+
+
+
+
+
+
    
+Prev Up Next
+
    
+dnssec-revoke Home dnssec-signzone
+
    
+
    
+
+
diff --git a/doc/arm/man.dnssec-signzone.html b/doc/arm/man.dnssec-signzone.html
index 42bf068..05cea6e 100644
--- a/doc/arm/man.dnssec-signzone.html
+++ b/doc/arm/man.dnssec-signzone.html
@@ -1,5 +1,5 @@
 
-
+
 
 
 
@@ -22,7 +22,7 @@
 
 
 
-
+
 
 
 
@@ -31,7 +31,7 @@
 dnssec-signzone
 
 
-Prev 
+Prev 
 Manual pages
  Next
 
@@ -47,21 +47,21 @@
 
 
    
 
    Synopsis
    
-
    dnssec-signzone  [-a] [-c class] [-d directory] [-e end-time] [-f output-file] [-g] [-h] [-k key] [-l domain] [-i interval] [-I input-format] [-j jitter] [-N soa-serial-format] [-o origin] [-O output-format] [-p] [-P] [-r randomdev] [-s start-time] [-t] [-v level] [-z] [-3 salt] [-H iterations] [-A] {zonefile} [key...]
    
+
    dnssec-signzone  [-a] [-c class] [-d directory] [-E engine] [-e end-time] [-f output-file] [-g] [-h] [-K directory] [-k key] [-l domain] [-i interval] [-I input-format] [-j jitter] [-N soa-serial-format] [-o origin] [-O output-format] [-p] [-P] [-r randomdev] [-S] [-s start-time] [-T ttl] [-t] [-u] [-v level] [-x] [-z] [-3 salt] [-H iterations] [-A] {zonefile} [key...]
    
 
    
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    dnssec-signzone
       signs a zone.  It generates
       NSEC and RRSIG records and produces a signed version of the
-      zone.  It also generates a keyset- file containing
-      the key-signing keys for the zone, and if signing a zone which
-      contains delegations, it can optionally generate DS records for
-      the child zones from their keyset- files.
+      zone. The security status of delegations from the signed zone
+      (that is, whether the child zones are secure or not) is
+      determined by the presence or absence of a
+      keyset file for each child zone.
     
    
 
    
 
    
-
    OPTIONS
    
+
    OPTIONS
    
 
    
 
    -a
    
 
    
@@ -71,6 +71,38 @@
 
    
             Specifies the DNS class of the zone.
           
    
+
    -C
    
+
    
+            Compatibility mode: Generate a
+            keyset-zonename
+            file in addition to
+            dsset-zonename
+            when signing a zone, for use by older versions of
+            dnssec-signzone.
+          
    
+
    -d directory
    
+
    
+            Look for dsset- or
+            keyset- files in directory.
+          
    
+
    -E engine
    
+
    
+            Uses a crypto hardware (OpenSSL engine) for the crypto operations
+            it supports, for instance signing with private keys from
+            a secure key store. When compiled with PKCS#11 support
+            it defaults to pkcs11; the empty name resets it to no engine.
+          
    
+
    -g
    
+
    
+            Generate DS records for child zones from
+            dsset- or keyset-
+            file.  Existing DS records will be removed.
+          
    
+
    -K directory
    
+
    
+            Key repository: Specify a directory to search for DNSSEC keys.
+            If not specified, defaults to the current directory.
+          
    
 
    -k key
    
 
    
             Treat specified key as a key signing key ignoring any
@@ -81,18 +113,6 @@
             Generate a DLV set in addition to the key (DNSKEY) and DS sets.
             The domain is appended to the name of the records.
           
    
-
    -d directory
    
-
    
-            Look for keyset files in
-            directory as the directory
-          
    
-
    -g
    
-
    
-            If the zone contains any delegations, and there are
-            keyset- files for any of the child zones,
-            then DS records for the child zones will be generated from the
-            keys in those files.  Existing DS records will be removed.
-          
    
 
    -s start-time
    
 
    
             Specify the date and time when the generated RRSIG records
@@ -113,6 +133,8 @@
             the start time.  A time relative to the current time is
             indicated with now+N.  If no end-time is
             specified, 30 days from the start time is used as a default.
+            end-time must be later than
+            start-time.
           
    
 
    -f output-file
    
 
    
@@ -247,35 +269,119 @@
             keyboard indicates that keyboard
             input should be used.
           
    
+
    -S
    
+
    
+
    
+            Smart signing: Instructs dnssec-signzone to
+            search the key repository for keys that match the zone being
+            signed, and to include them in the zone if appropriate.
+          
    
+
    
+            When a key is found, its timing metadata is examined to
+            determine how it should be used, according to the following
+            rules.  Each successive rule takes priority over the prior
+            ones:
+          
    
+
    
+
    
+
    
+                  If no timing metadata has been set for the key, the key is
+                  published in the zone and used to sign the zone.
+                
    
+
    
+
    
+                  If the key's publication date is set and is in the past, the
+                  key is published in the zone.
+                
    
+
    
+
    
+                  If the key's activation date is set and in the past, the
+                  key is published (regardless of publication date) and
+                  used to sign the zone.  
+                
    
+
    
+
    
+                  If the key's revocation date is set and in the past, and the
+                  key is published, then the key is revoked, and the revoked key
+                  is used to sign the zone.
+                
    
+
    
+
    
+                  If either of the key's unpublication or deletion dates are set
+                  and in the past, the key is NOT published or used to sign the
+                  zone, regardless of any other metadata.
+                
    
+
    
+
    
+
    -T ttl
    
+
    
+            Specifies the TTL to be used for new DNSKEY records imported
+            into the zone from the key repository.  If not specified,
+            the default is the minimum TTL value from the zone's SOA
+            record.  This option is ignored when signing without
+            -S, since DNSKEY records are not imported
+            from the key repository in that case.  It is also ignored if
+            there are any pre-existing DNSKEY records at the zone apex,
+            in which case new records' TTL values will be set to match
+            them.
+          
    
 
    -t
    
 
    
             Print statistics at completion.
           
    
+
    -u
    
+
    
+            Update NSEC/NSEC3 chain when re-signing a previously signed
+            zone.  With this option, a zone signed with NSEC can be
+            switched to NSEC3, or a zone signed with NSEC3 can
+            be switch to NSEC or to NSEC3 with different parameters.
+            Without this option, dnssec-signzone will
+            retain the existing chain when re-signing.
+          
    
 
    -v level
    
 
    
             Sets the debugging level.
           
    
+
    -x
    
+
    
+            Only sign the DNSKEY RRset with key-signing keys, and omit
+            signatures from zone-signing keys.  (This is similar to the
+            dnssec-dnskey-kskonly yes; zone option in
+            named.)
+          
    
 
    -z
    
 
    
-            Ignore KSK flag on key when determining what to sign.
+            Ignore KSK flag on key when determining what to sign.  This
+            causes KSK-flagged keys to sign all records, not just the
+            DNSKEY RRset.  (This is similar to the
+            update-check-ksk no; zone option in
+            named.)
           
    
 
    -3 salt
    
 
    
-            Generate a NSEC3 chain with the given hex encoded salt.
+            Generate an NSEC3 chain with the given hex encoded salt.
 	    A dash (salt) can
 	    be used to indicate that no salt is to be used when generating		    the NSEC3 chain.
           
    
 
    -H iterations
    
 
    
-	    When generating a NSEC3 chain use this many interations.  The
-	    default is 100.
+	    When generating an NSEC3 chain, use this many interations.  The
+	    default is 10.
           
    
 
    -A
    
-
    
-	    When generating a NSEC3 chain set the OPTOUT flag on all
+
    
+
    
+	    When generating an NSEC3 chain set the OPTOUT flag on all
 	    NSEC3 records and do not generate NSEC3 records for insecure
 	    delegations.
-          
    
+          
    
+
    
+	    Using this option twice (i.e., -AA)
+	    turns the OPTOUT flag off for all records.  This is useful
+	    when using the -u option to modify an NSEC3
+	    chain which previously had OPTOUT set.
+          
    
+
 
    zonefile
    
 
    
             The file containing the zone to be signed.
@@ -291,14 +397,15 @@
 
    
 
    
 
    
-
    EXAMPLE
    
+
    EXAMPLE
    
 
    
       The following command signs the example.com
       zone with the DSA key generated by dnssec-keygen
-      (Kexample.com.+003+17247).  The zone's keys must be in the master
-      file (db.example.com).  This invocation looks
-      for keyset files, in the current directory,
-      so that DS records can be generated from them (-g).
+      (Kexample.com.+003+17247).  Because the -S option
+      is not being used, the zone's keys must be in the master file
+      (db.example.com).  This invocation looks
+      for dsset files, in the current directory,
+      so that DS records can be imported from them (-g).
     
    
 
    % dnssec-signzone -g -o example.com db.example.com \
 Kexample.com.+003+17247
@@ -320,39 +427,14 @@ db.example.com.signed
 %
    
 
    
 
    
-
    KNOWN BUGS
    
-
    
-        dnssec-signzone was designed so that it could
-        sign a zone partially, using only a subset of the DNSSEC keys
-        needed to produce a fully-signed zone.  This permits a zone
-        administrator, for example, to sign a zone with one key on one
-        machine, move the resulting partially-signed zone to a second
-        machine, and sign it again with a second key.
-    
    
-
    
-        An unfortunate side-effect of this flexibility is that
-        dnssec-signzone does not check to make sure
-        it's signing a zone with any valid keys at all.  An attempt to
-        sign a zone without any keys will appear to succeed, producing
-        a "signed" zone with no signatures.  There is no warning issued
-        when a zone is not fully signed.
-    
    
-
    
-        This will be corrected in a future release.  In the meantime, ISC
-        recommends examining the output of dnssec-signzone
-        to confirm that the zone is properly signed by all keys before
-        using it.
-    
    
-
    
-
    
-
    SEE ALSO
    
+
    SEE ALSO
    
 
    dnssec-keygen(8),
       BIND 9 Administrator Reference Manual,
       RFC 4033.
     
    
 
    
 
    
-
    AUTHOR
    
+
    AUTHOR
    
 
    Internet Systems Consortium
     
    
 
    
@@ -362,14 +444,14 @@ db.example.com.signed
 
+Prev 
+dnssec-settime 
diff --git a/doc/arm/man.genrandom.html b/doc/arm/man.genrandom.html
new file mode 100644
index 0000000..c9ecc8e
--- /dev/null
+++ b/doc/arm/man.genrandom.html
@@ -0,0 +1,112 @@
+
+
+
+
+
+genrandom
+
+
+
+
+
+
+
+
    
+
    
 
    
 
-Prev 
 Up
  Next
 
 
    
 
    
 
-dnssec-keygen 
 Home
  named-checkconf
 
    
+
+
+
+
+
+
+
    genrandom
    
+Prev Manual pages Next
+
    
+
    
+
+
    
+
    
+
    
+
    Name
    
+
    genrandom — generate a file containing random data
    
+
    
+
    
+
    Synopsis
    
+
    genrandom  [-n number] {size} {filename}
    
+
    
+
    
+
    DESCRIPTION
    
+
    
+      genrandom
+      generates a file or a set of files containing a specified quantity
+      of pseudo-random data, which can be used as a source of entropy for
+      other commands on systems with no random device.
+    
    
+
    
+
    
+
    ARGUMENTS
    
+
    
+
    -n number
    
+
    
+            In place of generating one file, generates number
+            (from 2 to 9) files, appending number to the name.
+          
    
+
    size
    
+
    
+            The size of the file, in kilobytes, to generate.
+          
    
+
    domain
    
+
    
+            The file name into which random data should be written.
+          
    
+
    
+
    
+
    
+
    SEE ALSO
    
+
    
+      rand(3),
+      arc4random(3)
+    
    
+
    
+
    
+
    AUTHOR
    
+
    Internet Systems Consortium
+    
    
+
    
+
    
+
    
+
    
+
+
+
+
+
+
+
+
+
+
+
+
    
+Prev Up Next
+
    
+arpaname Home isc-hmac-fixup
+
    
+
    
+
+
diff --git a/doc/arm/man.host.html b/doc/arm/man.host.html
index 990d67e..7322353 100644
--- a/doc/arm/man.host.html
+++ b/doc/arm/man.host.html
@@ -1,5 +1,5 @@
 
-
+
 
 
 
@@ -50,7 +50,7 @@
 
    host  [-aCdlnrsTwv] [-c class] [-N ndots] [-R number] [-t type] [-W wait] [-m flag] [-4] [-6] {name} [server]
    
 
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    host
       is a simple utility for performing DNS lookups.
       It is normally used to convert names to IP addresses and vice versa.
@@ -202,7 +202,7 @@
     
    
 
    
 
    
-
    IDN SUPPORT
    
+
    IDN SUPPORT
    
 
    
       If host has been built with IDN (internationalized
       domain name) support, it can accept and display non-ASCII domain names. 
@@ -216,12 +216,12 @@
     
    
 
    
 
    
-
    FILES
    
+
    FILES
    
 
    /etc/resolv.conf
     
    
 
    
 
    
-
    SEE ALSO
    
+
    SEE ALSO
    
 
    dig(1),
       named(8).
     
    
diff --git a/doc/arm/man.isc-hmac-fixup.html b/doc/arm/man.isc-hmac-fixup.html
new file mode 100644
index 0000000..bff6e91
--- /dev/null
+++ b/doc/arm/man.isc-hmac-fixup.html
@@ -0,0 +1,122 @@
+
+
+
+
+
+isc-hmac-fixup
+
+
+
+
+
+
+
+
    
+
+
+
+
+
+
+
+
    isc-hmac-fixup
    
+Prev Manual pages Next
+
    
+
    
+
    
+
    
+
    
+
    
+
    Name
    
+
    isc-hmac-fixup — fixes HMAC keys generated by older versions of BIND
    
+
    
+
    
+
    Synopsis
    
+
    isc-hmac-fixup  {algorithm} {secret}
    
+
    
+
    
+
    DESCRIPTION
    
+
    
+      Versions of BIND 9 up to and including BIND 9.6 had a bug causing
+      HMAC-SHA* TSIG keys which were longer than the digest length of the
+      hash algorithm (i.e., SHA1 keys longer than 160 bits, SHA256 keys
+      longer than 256 bits, etc) to be used incorrectly, generating a
+      message authentication code that was incompatible with other DNS
+      implementations.
+    
    
+
    
+      This bug has been fixed in BIND 9.7.  However, the fix may
+      cause incompatibility between older and newer versions of
+      BIND, when using long keys.  isc-hmac-fixup
+      modifies those keys to restore compatibility.
+    
    
+
    
+      To modify a key, run isc-hmac-fixup and
+      specify the key's algorithm and secret on the command line.  If the
+      secret is longer than the digest length of the algorithm (64 bytes
+      for SHA1 through SHA256, or 128 bytes for SHA384 and SHA512), then a
+      new secret will be generated consisting of a hash digest of the old
+      secret.  (If the secret did not require conversion, then it will be
+      printed without modification.)
+    
    
+
    
+
    
+
    SECURITY CONSIDERATIONS
    
+
    
+      Secrets that have been converted by isc-hmac-fixup
+      are shortened, but as this is how the HMAC protocol works in
+      operation anyway, it does not affect security.  RFC 2104 notes,
+      "Keys longer than [the digest length] are acceptable but the
+      extra length would not significantly increase the function
+      strength."
+    
    
+
    
+
    
+
    SEE ALSO
    
+
    
+      BIND 9 Administrator Reference Manual,
+      RFC 2104.
+    
    
+
    
+
    
+
    AUTHOR
    
+
    Internet Systems Consortium
+    
    
+
    
+
    
+
    
+
    
+
+
+
+
+
+
+
+
+
+
+
+
    
+Prev Up Next
+
    
+genrandom Home nsec3hash
+
    
+
    
+
+
diff --git a/doc/arm/man.named-checkconf.html b/doc/arm/man.named-checkconf.html
index 8bf240b..d6eff94 100644
--- a/doc/arm/man.named-checkconf.html
+++ b/doc/arm/man.named-checkconf.html
@@ -1,5 +1,5 @@
 
-
+
 
 
 
@@ -47,17 +47,30 @@
 
    
 
    
 
    Synopsis
    
-
    named-checkconf  [-h] [-v] [-j] [-t directory] {filename} [-z]
    
+
    named-checkconf  [-h] [-v] [-j] [-t directory] {filename} [-p] [-z]
    
 
    
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    named-checkconf
-      checks the syntax, but not the semantics, of a named
-      configuration file.
+      checks the syntax, but not the semantics, of a
+      named configuration file.  The file is parsed
+      and checked for syntax errors, along with all files included by it.
+      If no file is specified, /etc/named.conf is read
+      by default.
+    
    
+
    
+      Note: files that named reads in separate
+      parser contexts, such as rndc.key and
+      bind.keys, are not automatically read
+      by named-checkconf.  Configuration
+      errors in these files may cause named to
+      fail to run, even if named-checkconf was
+      successful.  named-checkconf can be run
+      on these files explicitly, however.
     
    
 
    
 
    
-
    OPTIONS
    
+
    OPTIONS
    
 
    
 
    -h
    
 
    
@@ -65,8 +78,7 @@
           
    
 
    -t directory
    
 
    
-            Chroot to directory so that
-            include
+            Chroot to directory so that include
             directives in the configuration file are processed as if
             run by a similarly chrooted named.
           
    
@@ -75,6 +87,11 @@
             Print the version of the named-checkconf
             program and exit.
           
    
+
    -p
    
+
    
+	    Print out the named.conf and included files
+	    in canonical form if no errors were detected.
+          
    
 
    -z
    
 
    
 	    Perform a test load of all master zones found in
@@ -92,21 +109,21 @@
 
    
 
    
 
    
-
    RETURN VALUES
    
+
    RETURN VALUES
    
 
    named-checkconf
       returns an exit status of 1 if
       errors were detected and 0 otherwise.
     
    
 
    
 
    
-
    SEE ALSO
    
+
    SEE ALSO
    
 
    named(8),
       named-checkzone(8),
       BIND 9 Administrator Reference Manual.
     
    
 
    
 
    
-
    AUTHOR
    
+
    AUTHOR
    
 
    Internet Systems Consortium
     
    
 
    
diff --git a/doc/arm/man.named-checkzone.html b/doc/arm/man.named-checkzone.html
index aeaf7d3..e7d9dc1 100644
--- a/doc/arm/man.named-checkzone.html
+++ b/doc/arm/man.named-checkzone.html
@@ -1,5 +1,5 @@
 
-
+
 
 
 
@@ -47,11 +47,11 @@
 
 
    
 
    Synopsis
    
-
    named-checkzone  [-d] [-h] [-j] [-q] [-v] [-c class] [-f format] [-F format] [-i mode] [-k mode] [-m mode] [-M mode] [-n mode] [-s style] [-S mode] [-t directory] [-w directory] [-D] [-W mode] {zonename} {filename}
    
-
    named-compilezone  [-d] [-j] [-q] [-v] [-c class] [-C mode] [-f format] [-F format] [-i mode] [-k mode] [-m mode] [-n mode] [-o filename] [-s style] [-t directory] [-w directory] [-D] [-W mode] {-o filename} {zonename} {filename}
    
+
    named-checkzone  [-d] [-h] [-j] [-q] [-v] [-c class] [-f format] [-F format] [-i mode] [-k mode] [-m mode] [-M mode] [-n mode] [-o filename] [-r mode] [-s style] [-S mode] [-t directory] [-w directory] [-D] [-W mode] {zonename} {filename}
    
+
    named-compilezone  [-d] [-j] [-q] [-v] [-c class] [-C mode] [-f format] [-F format] [-i mode] [-k mode] [-m mode] [-n mode] [-r mode] [-s style] [-t directory] [-w directory] [-D] [-W mode] {-o filename} {zonename} {filename}
    
 
    
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    named-checkzone
       checks the syntax and integrity of a zone file.  It performs the
       same checks as named does when loading a
@@ -71,7 +71,7 @@
      
    
 
    
 
    
-
    OPTIONS
    
+
    OPTIONS
    
 
    
 
    -d
    
 
    
@@ -195,6 +195,14 @@
 	    write to standard out.
 	    This is mandatory for named-compilezone.
           
    
+
    -r mode
    
+
    
+            Check for records that are treated as different by DNSSEC but
+	    are semantically equal in plain DNS.  
+            Possible modes are "fail",
+            "warn" (default) and
+            "ignore".
+	  
    
 
    -s style
    
 
    
 	    Specify the style of the dumped zone file.
@@ -257,14 +265,14 @@
 
    
 
    
 
    
-
    RETURN VALUES
    
+
    RETURN VALUES
    
 
    named-checkzone
       returns an exit status of 1 if
       errors were detected and 0 otherwise.
     
    
 
    
 
    
-
    SEE ALSO
    
+
    SEE ALSO
    
 
    named(8),
       named-checkconf(8),
       RFC 1035,
@@ -272,7 +280,7 @@
     
    
 
    
 
    
-
    AUTHOR
    
+
    AUTHOR
    
 
    Internet Systems Consortium
     
    
 
    
diff --git a/doc/arm/man.named-journalprint.html b/doc/arm/man.named-journalprint.html
new file mode 100644
index 0000000..11d98a1
--- /dev/null
+++ b/doc/arm/man.named-journalprint.html
@@ -0,0 +1,112 @@
+
+
+
+
+
+named-journalprint
+
+
+
+
+
+
+
+
    
+
+
+
+
+
+
+
+
    named-journalprint
    
+Prev Manual pages Next
+
    
+
    
+
    
+
    
+
    
+
    
+
    Name
    
+
    named-journalprint — print zone journal in human-readable form
    
+
    
+
    
+
    Synopsis
    
+
    named-journalprint  {journal}
    
+
    
+
    
+
    DESCRIPTION
    
+
    
+      named-journalprint
+      prints the contents of a zone journal file in a human-readable
+      form. 
+    
    
+
    
+      Journal files are automatically created by named 
+      when changes are made to dynamic zones (e.g., by
+      nsupdate).  They record each addition
+      or deletion of a resource record, in binary format, allowing the
+      changes to be re-applied to the zone when the server is
+      restarted after a shutdown or crash.  By default, the name of
+      the journal file is formed by appending the extension
+      .jnl to the name of the corresponding
+      zone file.
+    
    
+
    
+      named-journalprint converts the contents of a given
+      journal file into a human-readable text format.  Each line begins
+      with "add" or "del", to indicate whether the record was added or
+      deleted, and continues with the resource record in master-file
+      format.
+    
    
+
    
+
    
+
    SEE ALSO
    
+
    
+      named(8),
+      nsupdate(8),
+      BIND 9 Administrator Reference Manual.
+    
    
+
    
+
    
+
    AUTHOR
    
+
    Internet Systems Consortium
+    
    
+
    
+
    
+
    
+
    
+
+
+
+
+
+
+
+
+
+
+
+
    
+Prev Up Next
+
    
+named Home nsupdate
+
    
+
    
+
+
diff --git a/doc/arm/man.named.html b/doc/arm/man.named.html
index 9a5617f..ac45d41 100644
--- a/doc/arm/man.named.html
+++ b/doc/arm/man.named.html
@@ -1,5 +1,5 @@
 
-
+
 
 
 
@@ -23,7 +23,7 @@
 
 
 
-
+
 
 
 
    
@@ -33,7 +33,7 @@
 
 Prev 
 Manual pages
- Next
+ Next
 
 
 
@@ -47,10 +47,10 @@
 
    
 
    
 
    Synopsis
    
-
    named  [-4] [-6] [-c config-file] [-d debug-level] [-f] [-g] [-m flag] [-n #cpus] [-p port] [-s] [-S #max-socks] [-t directory] [-u user] [-v] [-V] [-x cache-file]
    
+
    named  [-4] [-6] [-c config-file] [-d debug-level] [-E engine-name] [-f] [-g] [-m flag] [-n #cpus] [-p port] [-s] [-S #max-socks] [-t directory] [-u user] [-v] [-V] [-x cache-file]
    
 
    
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    named
       is a Domain Name System (DNS) server,
       part of the BIND 9 distribution from ISC.  For more
@@ -65,7 +65,7 @@
     
    
 
    
 
    
-
    OPTIONS
    
+
    OPTIONS
    
 
    
 
    -4
    
 
    
@@ -97,6 +97,14 @@
             Debugging traces from named become
             more verbose as the debug level increases.
           
    
+
    -E engine-name
    
+
    
+            Use a crypto hardware (OpenSSL engine) for the crypto operations
+            it supports, for instance re-signing with private keys from
+            a secure key store. When compiled with PKCS#11 support
+            engine-name
+            defaults to pkcs11, the empty name resets it to no engine.
+          
    
 
    -f
    
 
    
             Run the server in the foreground (i.e. do not daemonize).
@@ -238,7 +246,7 @@
 
    
 
    
 
    
-
    SIGNALS
    
+
    SIGNALS
    
 
    
       In routine operation, signals should not be used to control
       the nameserver; rndc should be used
@@ -259,7 +267,7 @@
     
    
 
    
 
    
-
    CONFIGURATION
    
+
    CONFIGURATION
    
 
    
       The named configuration file is too complex
       to describe in detail here.  A complete description is provided
@@ -276,7 +284,7 @@
     
    
 
    
 
    
-
    FILES
    
+
    FILES
    
 
    
 
    /etc/named.conf
    
 
    
@@ -289,7 +297,7 @@
 
    
 
    
 
    
-
    SEE ALSO
    
+
    SEE ALSO
    
 
    RFC 1033,
       RFC 1034,
       RFC 1035,
@@ -302,7 +310,7 @@
     
    
 
    
 
    
-
    AUTHOR
    
+
    AUTHOR
    
 
    Internet Systems Consortium
     
    
 
    
@@ -314,14 +322,14 @@
 
 Prev 
 Up
- Next
+ Next
 
 
 
 
 named-checkzone 
 Home
- nsupdate
+ named-journalprint
 
 
 
diff --git a/doc/arm/man.nsec3hash.html b/doc/arm/man.nsec3hash.html
new file mode 100644
index 0000000..9f1fa6c
--- /dev/null
+++ b/doc/arm/man.nsec3hash.html
@@ -0,0 +1,113 @@
+
+
+
+
+
+nsec3hash
+
+
+
+
+
+
+
    
+
+
+
+
+
+
+
+
    nsec3hash
    
+Prev Manual pages 
    
+
    
+
    
+
    
+
    
+
    
+
    Name
    
+
    nsec3hash — generate NSEC3 hash
    
+
    
+
    
+
    Synopsis
    
+
    nsec3hash  {salt} {algorithm} {iterations} {domain}
    
+
    
+
    
+
    DESCRIPTION
    
+
    
+      nsec3hash generates an NSEC3 hash based on
+      a set of NSEC3 parameters.  This can be used to check the validity
+      of NSEC3 records in a signed zone.
+    
    
+
    
+
    
+
    ARGUMENTS
    
+
    
+
    salt
    
+
    
+            The salt provided to the hash algorithm.
+          
    
+
    algorithm
    
+
    
+            A number indicating the hash algorithm.  Currently the
+            only supported hash algorithm for NSEC3 is SHA-1, which is
+            indicated by the number 1; consequently "1" is the only
+            useful value for this argument.
+          
    
+
    iterations
    
+
    
+            The number of additional times the hash should be performed.
+          
    
+
    domain
    
+
    
+            The domain name to be hashed.
+          
    
+
    
+
    
+
    
+
    SEE ALSO
    
+
    
+      BIND 9 Administrator Reference Manual,
+      RFC 5155.
+    
    
+
    
+
    
+
    AUTHOR
    
+
    Internet Systems Consortium
+    
    
+
    
+
    
+
    
+
    
+
+
+
+
+
+
+
+
+
+
+
+
    
+Prev Up 
    
+isc-hmac-fixup Home 
    
+
    
+
+
diff --git a/doc/arm/man.nsupdate.html b/doc/arm/man.nsupdate.html
index 597b2f1..c5d983a 100644
--- a/doc/arm/man.nsupdate.html
+++ b/doc/arm/man.nsupdate.html
@@ -1,5 +1,5 @@
 
-
+
 
 
 
@@ -22,7 +22,7 @@
 
 
 
-
+
 
 
 
@@ -31,7 +31,7 @@
 nsupdate
 
 
-Prev 
+Prev 
 Manual pages
  Next
 
@@ -47,12 +47,12 @@
 
 
    
 
    Synopsis
    
-
    nsupdate  [-d] [-D] [[-g] |  [-o] |  [-y [hmac:]keyname:secret] |  [-k keyfile]] [-t timeout] [-u udptimeout] [-r udpretries] [-R randomdev] [-v] [filename]
    
+
    nsupdate  [-d] [-D] [[-g] |  [-o] |  [-l] |  [-y [hmac:]keyname:secret] |  [-k keyfile]] [-t timeout] [-u udptimeout] [-r udpretries] [-R randomdev] [-v] [filename]
    
 
    
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    nsupdate
-      is used to submit Dynamic DNS Update requests as defined in RFC2136
+      is used to submit Dynamic DNS Update requests as defined in RFC 2136
       to a name server.
       This allows resource records to be added or removed from a zone
       without manually editing the zone file.
@@ -88,10 +88,14 @@
       report additional debugging information to -d.
     
    
 
    
+      The -L option with an integer argument of zero or
+      higher sets the logging debug level.  If zero, logging is disabled.
+    
    
+
    
       Transaction signatures can be used to authenticate the Dynamic
       DNS updates.  These use the TSIG resource record type described
-      in RFC2845 or the SIG(0) record described in RFC3535 and
-      RFC2931 or GSS-TSIG as described in RFC3645.  TSIG relies on
+      in RFC 2845 or the SIG(0) record described in RFC 2535 and
+      RFC 2931 or GSS-TSIG as described in RFC 3645.  TSIG relies on
       a shared secret that should only be known to
       nsupdate and the name server.  Currently,
       the only supported encryption algorithm for TSIG is HMAC-MD5,
@@ -108,44 +112,59 @@
       record in a zone served by the name server.
       nsupdate does not read
       /etc/named.conf.
-      GSS-TSIG uses Kerberos credentials.
+    
    
+
    
+      GSS-TSIG uses Kerberos credentials.  Standard GSS-TSIG mode
+      is switched on with the -g flag.  A
+      non-standards-compliant variant of GSS-TSIG used by Windows
+      2000 can be switched on with the -o flag.
     
    
 
    nsupdate
       uses the -y or -k option
       to provide the shared secret needed to generate a TSIG record
       for authenticating Dynamic DNS update requests, default type
-      HMAC-MD5.  These options are mutually exclusive.  With the
-      -k option, nsupdate reads
-      the shared secret from the file keyfile,
-      whose name is of the form
-      K{name}.+157.+{random}.private.  For
-      historical reasons, the file
-      K{name}.+157.+{random}.key must also be
-      present.  When the -y option is used, a
-      signature is generated from
+      HMAC-MD5.  These options are mutually exclusive. 
+    
    
+
    
+      When the -y option is used, a signature is
+      generated from
       [hmac:]keyname:secret.
       keyname is the name of the key, and
-      secret is the base64 encoded shared
-      secret.  Use of the -y option is discouraged
-      because the shared secret is supplied as a command line
-      argument in clear text.  This may be visible in the output
-      from
-      ps(1) or in a history file maintained by the user's
-      shell.
+      secret is the base64 encoded shared secret.
+      Use of the -y option is discouraged because the
+      shared secret is supplied as a command line argument in clear text.
+      This may be visible in the output from
+      ps(1)
+      or in a history file maintained by the user's shell.
     
    
 
    
+      With the
+      -k option, nsupdate reads
+      the shared secret from the file keyfile.
+      Keyfiles may be in two formats: a single file containing
+      a named.conf-format key
+      statement, which may be generated automatically by
+      ddns-confgen, or a pair of files whose names are
+      of the format K{name}.+157.+{random}.key and
+      K{name}.+157.+{random}.private, which can be
+      generated by dnssec-keygen.
       The -k may also be used to specify a SIG(0) key used
       to authenticate Dynamic DNS update requests.  In this case, the key
       specified is not an HMAC-MD5 key.
     
    
 
    
-      The -g and -o specify that
-      GSS-TSIG is to be used.  The -o should only
-      be used with old Microsoft Windows 2000 servers.
+      nsupdate can be run in a local-host only mode
+      using the -l flag.  This sets the server address to
+      localhost (disabling the server so that the server
+      address cannot be overridden).  Connections to the local server will
+      use a TSIG key found in /var/run/named/session.key,
+      which is automatically generated by named if any
+      local master zone has set update-policy to
+      local.  The location of this key file can be
+      overridden with the -k option.
     
    
 
    
-      By default,
-      nsupdate
+      By default, nsupdate
       uses UDP to send update requests to the name server unless they are too
       large to fit in a UDP request in which case TCP will be used.
       The
@@ -156,6 +175,10 @@
       This may be preferable when a batch of update requests is made.
     
    
 
    
+      The -p sets the default port number to use for
+      connections to a name server.  The default is 53.
+    
    
+
    
       The -t option sets the maximum time an update request
       can
       take before it is aborted.  The default is 300 seconds.  Zero can be
@@ -187,7 +210,7 @@
     
    
 
    
 
    
-
    INPUT FORMAT
    
+
    INPUT FORMAT
    
 
    nsupdate
       reads input from
       filename
@@ -475,7 +498,7 @@
     
    
 
    
 
    
-
    EXAMPLES
    
+
    EXAMPLES
    
 
    
       The examples below show how
       nsupdate
@@ -522,19 +545,23 @@
       If there are, the update request fails.
       If this name does not exist, a CNAME for it is added.
       This ensures that when the CNAME is added, it cannot conflict with the
-      long-standing rule in RFC1034 that a name must not exist as any other
+      long-standing rule in RFC 1034 that a name must not exist as any other
       record type if it exists as a CNAME.
-      (The rule has been updated for DNSSEC in RFC2535 to allow CNAMEs to have
+      (The rule has been updated for DNSSEC in RFC 2535 to allow CNAMEs to have
       RRSIG, DNSKEY and NSEC records.)
     
    
 
    
 
    
-
    FILES
    
+
    FILES
    
 
    
 
    /etc/resolv.conf
    
 
    
             used to identify default name server
           
    
+
    /var/run/named/session.key
    
+
    
+            sets the default TSIG key for use in local-only mode
+          
    
 
    K{name}.+157.+{random}.key
    
 
    
             base-64 encoding of HMAC-MD5 key created by
@@ -548,20 +575,22 @@
 
    
 
    
 
    
-
    SEE ALSO
    
-
    RFC2136,
-      RFC3007,
-      RFC2104,
-      RFC2845,
-      RFC1034,
-      RFC2535,
-      RFC2931,
+
    SEE ALSO
    
+
    
+      RFC 2136,
+      RFC 3007,
+      RFC 2104,
+      RFC 2845,
+      RFC 1034,
+      RFC 2535,
+      RFC 2931,
       named(8),
+      ddns-confgen(8),
       dnssec-keygen(8).
     
    
 
    
 
    
-
    BUGS
    
+
    BUGS
    
 
    
       The TSIG key is redundantly stored in two separate files.
       This is a consequence of nsupdate using the DST library
@@ -575,14 +604,14 @@
 
+Prev 
+named-journalprint 
diff --git a/doc/arm/man.rndc-confgen.html b/doc/arm/man.rndc-confgen.html
index 523ad92..f441b93 100644
--- a/doc/arm/man.rndc-confgen.html
+++ b/doc/arm/man.rndc-confgen.html
@@ -1,5 +1,5 @@
 
-
+
@@ -23,6 +23,7 @@
 
+
    
@@ -32,7 +33,8 @@
 
    
-
+
    
 
    
 
-Prev 
 Up
  Next
 
 
    
 
    
 
-named 
 Home
  rndc
 
 
 
 
 
 
 
 
 
 Prev 
 Manual pages  Next
+
 
    
 
    
 
    
@@ -48,7 +50,7 @@
 
    rndc-confgen  [-a] [-b keysize] [-c keyfile] [-h] [-k keyname] [-p port] [-r randomfile] [-s address] [-t chrootdir] [-u user]
    
 
    
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    rndc-confgen
       generates configuration files
       for rndc.  It can be used as a
@@ -64,7 +66,7 @@
     
    
 
    
 
    
-
    OPTIONS
    
+
    OPTIONS
    
 
    
 
    -a
    
 
    
@@ -171,7 +173,7 @@
 
    
 
    
 
    
-
    EXAMPLES
    
+
    EXAMPLES
    
 
    
       To allow rndc to be used with
       no manual configuration, run
@@ -188,7 +190,7 @@
     
    
 
    
 
    
-
    SEE ALSO
    
+
    SEE ALSO
    
 
    rndc(8),
       rndc.conf(5),
       named(8),
@@ -196,7 +198,7 @@
     
    
 
    
 
    
-
    AUTHOR
    
+
    AUTHOR
    
 
    Internet Systems Consortium
     
    
 
    
@@ -208,13 +210,15 @@
 
 Prev 
 Up
- 
+ Next
+
 
 
 
 rndc.conf 
 Home
- 
+ ddns-confgen
+
 
 
 
diff --git a/doc/arm/man.rndc.conf.html b/doc/arm/man.rndc.conf.html
index f454cf4..456ac38 100644
--- a/doc/arm/man.rndc.conf.html
+++ b/doc/arm/man.rndc.conf.html
@@ -1,5 +1,5 @@
 
-
+
 
 
 
@@ -50,7 +50,7 @@
 
    rndc.conf 
    
 
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    rndc.conf is the configuration file
       for rndc, the BIND 9 name server control
       utility.  This file has a similar structure and syntax to
@@ -135,7 +135,7 @@
     
    
 
    
 
    
-
    EXAMPLE
    
+
    EXAMPLE
    
 
           options {
         default-server  localhost;
@@ -209,7 +209,7 @@
     
    
 
    
 
    
-
    NAME SERVER CONFIGURATION
    
+
    NAME SERVER CONFIGURATION
    
 
    
       The name server must be configured to accept rndc connections and
       to recognize the key specified in the rndc.conf
@@ -219,7 +219,7 @@
     
    
 
    
 
    
-
    SEE ALSO
    
+
    SEE ALSO
    
 
    rndc(8),
       rndc-confgen(8),
       mmencode(1),
@@ -227,7 +227,7 @@
     
    
 
    
 
    
-
    AUTHOR
    
+
    AUTHOR
    
 
    Internet Systems Consortium
     
    
 
    
diff --git a/doc/arm/man.rndc.html b/doc/arm/man.rndc.html
index 0a6c65c..58fa67e 100644
--- a/doc/arm/man.rndc.html
+++ b/doc/arm/man.rndc.html
@@ -1,5 +1,5 @@
 
-
+
 
 
 
@@ -50,7 +50,7 @@
 
    rndc  [-b source-address] [-c config-file] [-k key-file] [-s server] [-p port] [-V] [-y key_id] {command}
    
 
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    rndc
       controls the operation of a name
       server.  It supersedes the ndc utility
@@ -79,7 +79,7 @@
     
    
 
    
 
    
-
    OPTIONS
    
+
    OPTIONS
    
 
    
 
    -b source-address
    
 
    
@@ -151,7 +151,7 @@
     
    
 
    
 
    
-
    LIMITATIONS
    
+
    LIMITATIONS
    
 
    rndc
       does not yet support all the commands of
       the BIND 8 ndc utility.
@@ -165,7 +165,7 @@
     
    
 
    
 
    
-
    SEE ALSO
    
+
    SEE ALSO
    
 
    rndc.conf(5),
       rndc-confgen(8),
       named(8),
@@ -175,7 +175,7 @@
     
    
 
    
 
    
-
    AUTHOR
    
+
    AUTHOR
    
 
    Internet Systems Consortium
     
    
 
    
diff --git a/doc/arm/managed-keys.xml b/doc/arm/managed-keys.xml
new file mode 100644
index 0000000..f1e06f3
--- /dev/null
+++ b/doc/arm/managed-keys.xml
@@ -0,0 +1,100 @@
+
+
+
+
+
+
+  Dynamic Trust Anchor Management
+  BIND 9.7.0 introduces support for RFC 5011, dynamic trust
+  anchor management. Using this feature allows 
+  named to keep track of changes to critical
+  DNSSEC keys without any need for the operator to make changes to
+  configuration files.
+  
+    Validating Resolver
+    
+    To configure a validating resolver to use RFC 5011 to
+    maintain a trust anchor, configure the trust anchor using a 
+    managed-keys statement. Information about
+    this can be found in 
+    .
+    
+  
+  
+    Authoritative Server
+    To set up an authoritative zone for RFC 5011 trust anchor
+    maintenance, generate two (or more) key signing keys (KSKs) for
+    the zone. Sign the zone with one of them; this is the "active"
+    KSK. All KSK's which do not sign the zone are "stand-by"
+    keys.
+    Any validating resolver which is configured to use the
+    active KSK as an RFC 5011-managed trust anchor will take note
+    of the stand-by KSKs in the zone's DNSKEY RRset, and store them
+    for future reference. The resolver will recheck the zone
+    periodically, and after 30 days, if the new key is still there,
+    then the key will be accepted by the resolver as a valid trust
+    anchor for the zone. Any time after this 30-day acceptance
+    timer has completed, the active KSK can be revoked, and the
+    zone can be "rolled over" to the newly accepted key.
+    The easiest way to place a stand-by key in a zone is to
+    use the "smart signing" features of 
+    dnssec-keygen and 
+    dnssec-signzone. If a key with a publication
+    date in the past, but an activation date which is unset or in
+    the future, " 
+    dnssec-signzone -S" will include the DNSKEY
+    record in the zone, but will not sign with it:
+    
+$ dnssec-keygen -K keys -f KSK -P now -A now+2y example.net
+$ dnssec-signzone -S -K keys example.net
+
+    To revoke a key, the new command 
+    dnssec-revoke has been added. This adds the
+    REVOKED bit to the key flags and re-generates the 
+    K*.key and 
+    K*.private files.
+    After revoking the active key, the zone must be signed
+    with both the revoked KSK and the new active KSK. (Smart
+    signing takes care of this automatically.)
+    Once a key has been revoked and used to sign the DNSKEY
+    RRset in which it appears, that key will never again be
+    accepted as a valid trust anchor by the resolver. However,
+    validation can proceed using the new active key (which had been
+    accepted by the resolver when it was a stand-by key).
+    See RFC 5011 for more details on key rollover
+    scenarios.
+    When a key has been revoked, its key ID changes,
+    increasing by 128, and wrapping around at 65535. So, for
+    example, the key "Kexample.com.+005+10000" becomes
+    "Kexample.com.+005+10128".
+    If two keys have ID's exactly 128 apart, and one is
+    revoked, then the two key ID's will collide, causing several
+    problems. To prevent this, 
+    dnssec-keygen will not generate a new key if
+    another key is present which may collide. This checking will
+    only occur if the new keys are written to the same directory
+    which holds all other keys in use for that zone.
+    Older versions of BIND 9 did not have this precaution.
+    Exercise caution if using key revocation on keys that were
+    generated by previous releases, or if using keys stored in
+    multiple directories or on multiple machines.
+    It is expected that a future release of BIND 9 will
+    address this problem in a different way, by storing revoked
+    keys with their original unrevoked key ID's.
+  
+
diff --git a/doc/arm/pkcs11.xml b/doc/arm/pkcs11.xml
new file mode 100644
index 0000000..23bf5fd
--- /dev/null
+++ b/doc/arm/pkcs11.xml
@@ -0,0 +1,390 @@
+]>
+
+
+
+
+
+  PKCS #11 (Cryptoki) support
+  PKCS #11 (Public Key Cryptography Standard #11) defines a
+  platform- independent API for the control of hardware security
+  modules (HSMs) and other cryptographic support devices.
+  BIND 9 is known to work with two HSMs: The Sun SCA 6000
+  cryptographic acceleration board, tested under Solaris x86, and
+  the AEP Keyper network-attached key storage device, tested with
+  Debian Linux, Solaris x86 and Windows Server 2003.
+  
+    Prerequisites
+    See the HSM vendor documentation for information about
+    installing, initializing, testing and troubleshooting the
+    HSM.
+    BIND 9 uses OpenSSL for cryptography, but stock OpenSSL
+    does not yet fully support PKCS #11. However, a PKCS #11 engine
+    for OpenSSL is available from the OpenSolaris project. It has
+    been modified by ISC to work with with BIND 9, and to provide
+    new features such as PIN management and key by
+    reference.
+    The patched OpenSSL depends on a "PKCS #11 provider".
+    This is a shared library object, providing a low-level PKCS #11
+    interface to the HSM hardware. It is dynamically loaded by
+    OpenSSL at runtime. The PKCS #11 provider comes from the HSM
+    vendor, and and is specific to the HSM to be controlled.
+    There are two "flavors" of PKCS #11 support provided by
+    the patched OpenSSL, one of which must be chosen at
+    configuration time. The correct choice depends on the HSM
+    hardware:
+    
+      
+        Use 'crypto-accelerator' with HSMs that have hardware
+        cryptographic acceleration features, such as the SCA 6000
+        board. This causes OpenSSL to run all supported
+        cryptographic operations in the HSM.
+      
+      
+        Use 'sign-only' with HSMs that are designed to
+        function primarily as secure key storage devices, but lack
+        hardware acceleration. These devices are highly secure, but
+        are not necessarily any faster at cryptography than the
+        system CPU — often, they are slower. It is therefore
+        most efficient to use them only for those cryptographic
+        functions that require access to the secured private key,
+        such as zone signing, and to use the system CPU for all
+        other computationally-intensive operations. The AEP Keyper
+        is an example of such a device.
+      
+    
+    The modified OpenSSL code is included in the BIND 9.7.0
+    release, in the form of a context diff against the latest OpenSSL.
+    
+    
+      The latest OpenSSL version at the time of the BIND release
+      is 0.9.8l.
+      ISC will provide an updated patch as new versions of OpenSSL
+      are released. The version number in the following examples
+      is expected to change.
+    
+    Before building BIND 9 with PKCS #11 support, it will be
+    necessary to build OpenSSL with this patch in place and inform
+    it of the path to the HSM-specific PKCS #11 provider
+    library.
+    Obtain OpenSSL 0.9.8l:
+    
+$ wget http://www.openssl.org/source/openssl-0.9.8l.tar.gz
+
+    Extract the tarball:
+    
+$ tar zxf openssl-0.9.8l.tar.gz
+
+    Apply the patch from the BIND 9 release:
+    
+$ patch -p1 -d openssl-0.9.8l \
+            < bind-9.7.0/bin/pkcs11/openssl-0.9.8l-patch
+
+    (Note that the patch file may not be compatible with the
+    "patch" utility on all operating systems. You may need to
+    install GNU patch.)
+    When building OpenSSL, place it in a non-standard
+    location so that it does not interfere with OpenSSL libraries
+    elsewhere on the system. In the following examples, we choose
+    to install into "/opt/pkcs11/usr". We will use this location
+    when we configure BIND 9.
+    
+      
+      Building OpenSSL for the AEP Keyper on Linux
+      The AEP Keyper is a highly secure key storage device,
+      but does not provide hardware cryptographic acceleration. It
+      can carry out cryptographic operations, but it is probably
+      slower than your system's CPU. Therefore, we choose the
+      'sign-only' flavor when building OpenSSL.
+      The Keyper-specific PKCS #11 provider library is
+      delivered with the Keyper software. In this example, we place
+      it /opt/pkcs11/usr/lib:
+      
+$ cp pkcs11.GCC4.0.2.so.4.05 /opt/pkcs11/usr/lib/libpkcs11.so
+
+      This library is only available for Linux as a 32-bit
+      binary. If we are compiling on a 64-bit Linux system, it is
+      necessary to force a 32-bit build, by specifying -m32 in the
+      build options.
+      Finally, the Keyper library requires threads, so we
+      must specify -pthread.
+      
+$ cd openssl-0.9.8l
+$ ./Configure linux-generic32 -m32 -pthread \
+            --pk11-libname=/opt/pkcs11/usr/lib/libpkcs11.so \
+            --pk11-flavor=sign-only \
+            --prefix=/opt/pkcs11/usr
+
+      After configuring, run "make"
+      and "make test". If "make
+      test" fails with "pthread_atfork() not found", you forgot to
+      add the -pthread above.
+    
+    
+      
+      Building OpenSSL for the SCA 6000 on Solaris
+      The SCA-6000 PKCS #11 provider is installed as a system
+      library, libpkcs11. It is a true crypto accelerator, up to 4
+      times faster than any CPU, so the flavor shall be
+      'crypto-accelerator'.
+      In this example, we are building on Solaris x86 on an
+      AMD64 system.
+      
+$ cd openssl-0.9.8l
+$ ./Configure solaris64-x86_64-cc \
+            --pk11-libname=/usr/lib/64/libpkcs11.so \
+            --pk11-flavor=crypto-accelerator \
+            --prefix=/opt/pkcs11/usr
+
+      (For a 32-bit build, use "solaris-x86-cc" and
+      /usr/lib/libpkcs11.so.)
+      After configuring, run 
+      make and 
+      make test.
+      Once you have built OpenSSL, run
+      "apps/openssl engine pkcs11" to confirm
+      that PKCS #11 support was compiled in correctly. The output
+      should be one of the following lines, depending on the flavor
+      selected:
+      
+        (pkcs11) PKCS #11 engine support (sign only)
+
+      Or:
+      
+        (pkcs11) PKCS #11 engine support (crypto accelerator)
+
+      Next, run
+      "apps/openssl engine pkcs11 -t". This will
+      attempt to initialize the PKCS #11 engine. If it is able to
+      do so successfully, it will report
+      [ available ].
+      If the output is correct, run
+      "make install" which will install the
+      modified OpenSSL suite to 
+      /opt/pkcs11/usr.
+    
+  
+  
+    Building BIND 9 with PKCS#11
+    When building BIND 9, the location of the custom-built
+    OpenSSL library must be specified via configure.
+    
+      
+      Configuring BIND 9 for Linux
+      To link with the PKCS #11 provider, threads must be
+      enabled in the BIND 9 build.
+      The PKCS #11 library for the AEP Keyper is currently
+      only available as a 32-bit binary. If we are building on a
+      64-bit host, we must force a 32-bit build by adding "-m32" to
+      the CC options on the "configure" command line.
+      
+$ cd ../bind-9.7.0
+$ ./configure CC="gcc -m32" --enable-threads \
+           --with-openssl=/opt/pkcs11/usr \
+           --with-pkcs11=/opt/pkcs11/usr/lib/libpkcs11.so
+
+    
+    
+      
+      Configuring BIND 9 for Solaris
+      To link with the PKCS #11 provider, threads must be
+      enabled in the BIND 9 build.
+      
+$ cd ../bind-9.7.0
+$ ./configure CC="cc -xarch=amd64" --enable-threads \
+            --with-openssl=/opt/pkcs11/usr \
+            --with-pkcs11=/usr/lib/64/libpkcs11.so
+
+      (For a 32-bit build, omit CC="cc -xarch=amd64".)
+      If configure complains about OpenSSL not working, you
+      may have a 32/64-bit architecture mismatch. Or, you may have
+      incorrectly specified the path to OpenSSL (it should be the
+      same as the --prefix argument to the OpenSSL
+      Configure).
+    
+    After configuring, run
+    "make",
+    "make test" and
+    "make install".
+  
+  
+    PKCS #11 Tools
+    BIND 9 includes a minimal set of tools to operate the
+    HSM, including 
+    pkcs11-keygen to generate a new key pair
+    within the HSM, 
+    pkcs11-list to list objects currently
+    available, and 
+    pkcs11-destroy to remove objects.
+    In UNIX/Linux builds, these tools are built only if BIND
+    9 is configured with the --with-pkcs11 option. (NOTE: If
+    --with-pkcs11 is set to "yes", rather than to the path of the
+    PKCS #11 provider, then the tools will be built but the
+    provider will be left undefined. Use the -m option or the
+    PKCS11_PROVIDER environment variable to specify the path to the
+    provider.)
+  
+  
+    Using the HSM
+    First, we must set up the runtime environment so the
+    OpenSSL and PKCS #11 libraries can be loaded:
+    
+$ export LD_LIBRARY_PATH=/opt/pkcs11/usr/lib:${LD_LIBRARY_PATH}
+
+    When operating an AEP Keyper, it is also necessary to
+    specify the location of the "machine" file, which stores
+    information about the Keyper for use by PKCS #11 provider
+    library. If the machine file is in 
+    /opt/Keyper/PKCS11Provider/machine,
+    use:
+    
+$ export KEYPER_LIBRARY_PATH=/opt/Keyper/PKCS11Provider
+
+    
+    These environment variables must be set whenever running
+    any tool that uses the HSM, including 
+    pkcs11-keygen, 
+    pkcs11-list, 
+    pkcs11-destroy, 
+    dnssec-keyfromlabel, 
+    dnssec-signzone, 
+    dnssec-keygen(which will use the HSM for
+    random number generation), and 
+    named.
+    We can now create and use keys in the HSM. In this case,
+    we will create a 2048 bit key and give it the label
+    "sample-ksk":
+    
+$ pkcs11-keygen -b 2048 -l sample-ksk
+
+    To confirm that the key exists:
+    
+$ pkcs11-list
+Enter PIN:
+object[0]: handle 2147483658 class 3 label[8] 'sample-ksk' id[0]
+object[1]: handle 2147483657 class 2 label[8] 'sample-ksk' id[0]
+
+    Before using this key to sign a zone, we must create a
+    pair of BIND 9 key files. The "dnssec-keyfromlabel" utility
+    does this. In this case, we will be using the HSM key
+    "sample-ksk" as the key-signing key for "example.net":
+    
+$ dnssec-keyfromlabel -l sample-ksk -f KSK example.net
+
+    The resulting K*.key and K*.private files can now be used
+    to sign the zone. Unlike normal K* files, which contain both
+    public and private key data, these files will contain only the
+    public key data, plus an identifier for the private key which
+    remains stored within the HSM. The HSM handles signing with the
+    private key.
+    If you wish to generate a second key in the HSM for use
+    as a zone-signing key, follow the same procedure above, using a
+    different keylabel, a smaller key size, and omitting "-f KSK"
+    from the dnssec-keyfromlabel arguments:
+    
+$ pkcs11-keygen -b 1024 -l sample-zsk
+$ dnssec-keyfromlabel -l sample-zsk example.net
+
+    Alternatively, you may prefer to generate a conventional
+    on-disk key, using dnssec-keygen:
+    
+$ dnssec-keygen example.net
+
+    This provides less security than an HSM key, but since
+    HSMs can be slow or cumbersome to use for security reasons, it
+    may be more efficient to reserve HSM keys for use in the less
+    frequent key-signing operation. The zone-signing key can be
+    rolled more frequently, if you wish, to compensate for a
+    reduction in key security.
+    Now you can sign the zone. (Note: If not using the -S
+    option to 
+    dnssec-signzone, it will be necessary to add
+    the contents of both 
+    K*.key files to the zone master file before
+    signing it.)
+    
+$ dnssec-signzone -S example.net
+Enter PIN:
+Verifying the zone using the following algorithms:
+NSEC3RSASHA1.
+Zone signing complete:
+Algorithm: NSEC3RSASHA1: ZSKs: 1, KSKs: 1 active, 0 revoked, 0 stand-by
+example.net.signed
+
+  
+  
+    Specifying the engine on the command line
+    The OpenSSL engine can be specified in 
+    named and all of the BIND 
+    dnssec-* tools by using the "-E
+    <engine>" command line option. If BIND 9 is built with
+    the --with-pkcs11 option, this option defaults to "pkcs11".
+    Specifying the engine will generally not be necessary unless
+    for some reason you wish to use a different OpenSSL
+    engine.
+    If you wish to disable use of the "pkcs11" engine —
+    for troubleshooting purposes, or because the HSM is unavailable
+    — set the engine to the empty string. For example:
+    
+$ dnssec-signzone -E '' -S example.net
+
+    This causes 
+    dnssec-signzone to run as if it were compiled
+    without the --with-pkcs11 option.
+  
+  
+    Running named with automatic zone re-signing
+    If you want 
+    named to dynamically re-sign zones using HSM
+    keys, and/or to to sign new records inserted via nsupdate, then
+    named must have access to the HSM PIN. This can be accomplished
+    by placing the PIN into the openssl.cnf file (in the above
+    examples, 
+    /opt/pkcs11/usr/ssl/openssl.cnf).
+    The location of the openssl.cnf file can be overridden by
+    setting the OPENSSL_CONF environment variable before running
+    named.
+    Sample openssl.cnf:
+    
+        openssl_conf = openssl_def
+        [ openssl_def ]
+        engines = engine_section
+        [ engine_section ]
+        pkcs11 = pkcs11_section
+        [ pkcs11_section ]
+        PIN = <PLACE PIN HERE>
+
+    This will also allow the dnssec-* tools to access the HSM
+    without PIN entry. (The pkcs11-* tools access the HSM directly,
+    not via OpenSSL, so a PIN will still be required to use
+    them.)
+
+    
+      Placing the HSM's PIN in a text file in
+      this manner may reduce the security advantage of using an
+      HSM. Be sure this is what you want to do before configuring
+      OpenSSL in this way.
+    
+  
+  
+  
+
diff --git a/doc/misc/Makefile.in b/doc/misc/Makefile.in
index 5a671b8..6468176 100644
--- a/doc/misc/Makefile.in
+++ b/doc/misc/Makefile.in
@@ -13,7 +13,7 @@
 # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 # PERFORMANCE OF THIS SOFTWARE.
 
-# $Id: Makefile.in,v 1.7.252.2 2009-07-11 23:47:17 tbox Exp $
+# $Id: Makefile.in,v 1.9 2009-07-10 23:47:58 tbox Exp $
 
 srcdir =	@srcdir@
 VPATH =		@srcdir@
diff --git a/doc/misc/options b/doc/misc/options
index a6b2dcd..673abf7 100644
--- a/doc/misc/options
+++ b/doc/misc/options
@@ -44,6 +44,9 @@ lwres {
         view  ;
 };
 
+managed-keys {     
+    ; ... };
+
 masters  [ port  ] { (  |  [ port
      ] |  [ port  ] ) [ key  ]; ... };
 
@@ -52,6 +55,7 @@ options {
         acache-enable ;
         additional-from-auth ;
         additional-from-cache ;
+        allow-new-zones ;
         allow-notify { ; ... };
         allow-query { ; ... };
         allow-query-cache { ; ... };
@@ -68,11 +72,14 @@ options {
         alt-transfer-source (  | * ) [ port (  | * ) ];
         alt-transfer-source-v6 (  | * ) [ port (  |
             * ) ];
+        attach-cache ;
         auth-nxdomain ; // default changed
         avoid-v4-udp-ports { ; ... };
         avoid-v6-udp-ports { ; ... };
+        bindkeys-file ;
         blackhole { ; ... };
         cache-file ;
+        check-dup-records ( fail | warn | ignore );
         check-integrity ;
         check-mx ( fail | warn | ignore );
         check-mx-cname ( fail | warn | ignore );
@@ -85,15 +92,31 @@ options {
         coresize ;
         datasize ;
         deallocate-on-exit ; // obsolete
+        deny-answer-addresses { ; ... } [
+            except-from { ; ... } ];
+        deny-answer-aliases { ; ... } [ except-from {
+            ; ... } ];
         dialup ;
         directory ;
         disable-algorithms  { ; ... };
         disable-empty-zone ;
+        dns64  {
+                break-dnssec ;
+                clients { ; ... };
+                exclude { ; ... };
+                mapped { ; ... };
+                recursive-only ;
+                suffix ;
+        };
+        dns64-contact ;
+        dns64-server ;
         dnssec-accept-expired ;
+        dnssec-dnskey-kskonly ;
         dnssec-enable ;
         dnssec-lookaside  trust-anchor ;
         dnssec-must-be-secure  ;
-        dnssec-validation ;
+        dnssec-secure-to-insecure ;
+        dnssec-validation ( yes | no | auto );
         dual-stack-servers [ port  ] { (  [ port
              ] |  [ port  ] |
              [ port  ] ); ... };
@@ -105,6 +128,8 @@ options {
         fake-iquery ; // obsolete
         fetch-glue ; // obsolete
         files ;
+        filter-aaaa { ; ... }; // not configured
+        filter-aaaa-on-v4 ; // not configured
         flush-zones-on-shutdown ;
         forward ( first | only );
         forwarders [ port  ] { (  |  )
@@ -121,6 +146,7 @@ options {
         listen-on [ port  ] { ; ... };
         listen-on-v6 [ port  ] { ; ... };
         maintain-ixfr-base ; // obsolete
+        managed-keys-directory ;
         masterfile-format ( text | raw );
         match-mapped-addresses ;
         max-acache-size ;
@@ -168,13 +194,22 @@ options {
         request-ixfr ;
         request-nsid ;
         reserved-sockets ;
+        resolver-query-timeout ;
+        response-policy {
+                zone  [ policy ( given | no-op | nxdomain | nodata
+                    | cname  ) ];
+        };
         rfc2308-type1 ; // not yet implemented
         root-delegation-only [ exclude { ; ... } ];
         rrset-order { [ class  ] [ type  ] [ name
              ]  ; ... };
+        secroots-file ;
         serial-queries ; // obsolete
         serial-query-rate ;
         server-id (  | none | hostname );
+        session-keyalg ;
+        session-keyfile (  | none );
+        session-keyname ;
         sig-signing-nodes ;
         sig-signing-signatures ;
         sig-signing-type ;
@@ -189,6 +224,7 @@ options {
         tkey-dhkey  ;
         tkey-domain ;
         tkey-gssapi-credential ;
+        tkey-gssapi-keytab ;
         topology { ; ... }; // not implemented
         transfer-format ( many-answers | one-answer );
         transfer-source (  | * ) [ port (  | * ) ];
@@ -242,6 +278,7 @@ view   {
         acache-enable ;
         additional-from-auth ;
         additional-from-cache ;
+        allow-new-zones ;
         allow-notify { ; ... };
         allow-query { ; ... };
         allow-query-cache { ; ... };
@@ -258,8 +295,10 @@ view   {
         alt-transfer-source (  | * ) [ port (  | * ) ];
         alt-transfer-source-v6 (  | * ) [ port (  |
             * ) ];
+        attach-cache ;
         auth-nxdomain ; // default changed
         cache-file ;
+        check-dup-records ( fail | warn | ignore );
         check-integrity ;
         check-mx ( fail | warn | ignore );
         check-mx-cname ( fail | warn | ignore );
@@ -270,17 +309,33 @@ view   {
         cleaning-interval ;
         clients-per-query ;
         database ;
+        deny-answer-addresses { ; ... } [
+            except-from { ; ... } ];
+        deny-answer-aliases { ; ... } [ except-from {
+            ; ... } ];
         dialup ;
         disable-algorithms  { ; ... };
         disable-empty-zone ;
         dlz  {
                 database ;
         };
+        dns64  {
+                break-dnssec ;
+                clients { ; ... };
+                exclude { ; ... };
+                mapped { ; ... };
+                recursive-only ;
+                suffix ;
+        };
+        dns64-contact ;
+        dns64-server ;
         dnssec-accept-expired ;
+        dnssec-dnskey-kskonly ;
         dnssec-enable ;
         dnssec-lookaside  trust-anchor ;
         dnssec-must-be-secure  ;
-        dnssec-validation ;
+        dnssec-secure-to-insecure ;
+        dnssec-validation ( yes | no | auto );
         dual-stack-servers [ port  ] { (  [ port
              ] |  [ port  ] |
              [ port  ] ); ... };
@@ -289,6 +344,8 @@ view   {
         empty-server ;
         empty-zones-enable ;
         fetch-glue ; // obsolete
+        filter-aaaa { ; ... }; // not configured
+        filter-aaaa-on-v4 ; // not configured
         forward ( first | only );
         forwarders [ port  ] { (  |  )
             [ port  ]; ... };
@@ -300,6 +357,8 @@ view   {
         key-directory ;
         lame-ttl ;
         maintain-ixfr-base ; // obsolete
+        managed-keys {     
+            ; ... };
         masterfile-format ( text | raw );
         match-clients { ; ... };
         match-destinations { ; ... };
@@ -338,6 +397,11 @@ view   {
         recursion ;
         request-ixfr ;
         request-nsid ;
+        resolver-query-timeout ;
+        response-policy {
+                zone  [ policy ( given | no-op | nxdomain | nodata
+                    | cname  ) ];
+        };
         rfc2308-type1 ; // not yet implemented
         root-delegation-only [ exclude { ; ... } ];
         rrset-order { [ class  ] [ type  ] [ name
@@ -395,6 +459,8 @@ view   {
                      | * ) ];
                 alt-transfer-source-v6 (  | * ) [ port (
                      | * ) ];
+                auto-dnssec ( allow | maintain | create | off );
+                check-dup-records ( fail | warn | ignore );
                 check-integrity ;
                 check-mx ( fail | warn | ignore );
                 check-mx-cname ( fail | warn | ignore );
@@ -405,6 +471,8 @@ view   {
                 database ;
                 delegation-only ;
                 dialup ;
+                dnssec-dnskey-kskonly ;
+                dnssec-secure-to-insecure ;
                 file ;
                 forward ( first | only );
                 forwarders [ port  ] { (  |
@@ -440,6 +508,9 @@ view   {
                 nsec3-test-zone ; // test only
                 pubkey   
                     ; // obsolete
+                server-addresses { (  |  ) [
+                    port  ]; ... };
+                server-names { ; ... };
                 sig-signing-nodes ;
                 sig-signing-signatures ;
                 sig-signing-type ;
@@ -449,13 +520,14 @@ view   {
                 transfer-source-v6 (  | * ) [ port (
                      | * ) ];
                 try-tcp-refresh ;
-                type ( master | slave | stub | hint | forward |
-                    delegation-only );
+                type ( master | slave | stub | static-stub | hint | forward
+                    | delegation-only );
                 update-check-ksk ;
-                update-policy { ( grant | deny )  ( name |
-                    subdomain | wildcard | self | selfsub | selfwild |
+                update-policy ( local | { ( grant | deny )  ( name
+                    | subdomain | wildcard | self | selfsub | selfwild |
                     krb5-self | ms-self | krb5-subdomain | ms-subdomain |
-                    tcp-self | 6to4-self )  ; ... };
+                    tcp-self | 6to4-self | zonesub | external ) [ 
+                    ] ; ... };
                 use-alt-transfer-source ;
                 zero-no-soa-ttl ;
                 zone-statistics ;
@@ -475,6 +547,8 @@ zone   {
         alt-transfer-source (  | * ) [ port (  | * ) ];
         alt-transfer-source-v6 (  | * ) [ port (  |
             * ) ];
+        auto-dnssec ( allow | maintain | create | off );
+        check-dup-records ( fail | warn | ignore );
         check-integrity ;
         check-mx ( fail | warn | ignore );
         check-mx-cname ( fail | warn | ignore );
@@ -485,6 +559,8 @@ zone   {
         database ;
         delegation-only ;
         dialup ;
+        dnssec-dnskey-kskonly ;
+        dnssec-secure-to-insecure ;
         file ;
         forward ( first | only );
         forwarders [ port  ] { (  |  )
@@ -517,6 +593,9 @@ zone   {
         notify-to-soa ;
         nsec3-test-zone ; // test only
         pubkey    ; // obsolete
+        server-addresses { (  |  ) [ port
+             ]; ... };
+        server-names { ; ... };
         sig-signing-nodes ;
         sig-signing-signatures ;
         sig-signing-type ;
@@ -524,12 +603,13 @@ zone   {
         transfer-source (  | * ) [ port (  | * ) ];
         transfer-source-v6 (  | * ) [ port (  | * ) ];
         try-tcp-refresh ;
-        type ( master | slave | stub | hint | forward | delegation-only );
+        type ( master | slave | stub | static-stub | hint | forward |
+            delegation-only );
         update-check-ksk ;
-        update-policy { ( grant | deny )  ( name | subdomain |
-            wildcard | self | selfsub | selfwild | krb5-self | ms-self |
-            krb5-subdomain | ms-subdomain | tcp-self | 6to4-self ) 
-            ; ... };
+        update-policy ( local | { ( grant | deny )  ( name |
+            subdomain | wildcard | self | selfsub | selfwild | krb5-self |
+            ms-self | krb5-subdomain | ms-subdomain | tcp-self | 6to4-self
+            | zonesub | external ) [  ] ; ... };
         use-alt-transfer-source ;
         zero-no-soa-ttl ;
         zone-statistics ;
diff --git a/lib/bind9/Makefile.in b/lib/bind9/Makefile.in
index e37d524..ffc2ad9 100644
--- a/lib/bind9/Makefile.in
+++ b/lib/bind9/Makefile.in
@@ -1,4 +1,4 @@
-# Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
+# Copyright (C) 2004, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
 # Copyright (C) 2001  Internet Software Consortium.
 #
 # Permission to use, copy, modify, and/or distribute this software for any
@@ -13,7 +13,7 @@
 # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 # PERFORMANCE OF THIS SOFTWARE.
 
-# $Id: Makefile.in,v 1.11 2007-06-19 23:47:16 tbox Exp $
+# $Id: Makefile.in,v 1.14 2009-12-05 23:31:40 each Exp $
 
 srcdir =	@srcdir@
 VPATH =		@srcdir@
diff --git a/lib/bind9/api b/lib/bind9/api
index f3b0f9f..78dd0b4 100644
--- a/lib/bind9/api
+++ b/lib/bind9/api
@@ -1,3 +1,3 @@
-LIBINTERFACE = 50
-LIBREVISION = 4
+LIBINTERFACE = 80
+LIBREVISION = 1
 LIBAGE = 0
diff --git a/lib/bind9/check.c b/lib/bind9/check.c
index 76ca510..6fa9aa9 100644
--- a/lib/bind9/check.c
+++ b/lib/bind9/check.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2010  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2001-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: check.c,v 1.95.12.6 2010-03-04 23:47:53 tbox Exp $ */
+/* $Id: check.c,v 1.125 2011-01-07 23:47:07 tbox Exp $ */
 
 /*! \file */
 
@@ -103,7 +103,7 @@ check_orderent(const cfg_obj_t *ent, isc_log_t *logctx) {
 		isc_buffer_init(&b, str, strlen(str));
 		isc_buffer_add(&b, strlen(str));
 		tresult = dns_name_fromtext(dns_fixedname_name(&fixed), &b,
-					    dns_rootname, ISC_FALSE, NULL);
+					    dns_rootname, 0, NULL);
 		if (tresult != ISC_R_SUCCESS) {
 			cfg_obj_log(obj, logctx, ISC_LOG_ERROR,
 				    "rrset-order: invalid name '%s'", str);
@@ -202,7 +202,7 @@ check_dual_stack(const cfg_obj_t *options, isc_log_t *logctx) {
 		dns_fixedname_init(&fixed);
 		name = dns_fixedname_name(&fixed);
 		tresult = dns_name_fromtext(name, &buffer, dns_rootname,
-					   ISC_FALSE, NULL);
+					    0, NULL);
 		if (tresult != ISC_R_SUCCESS) {
 			cfg_obj_log(obj, logctx, ISC_LOG_ERROR,
 				    "bad name '%s'", str);
@@ -265,7 +265,7 @@ disabled_algorithms(const cfg_obj_t *disabled, isc_log_t *logctx) {
 	str = cfg_obj_asstring(obj);
 	isc_buffer_init(&b, str, strlen(str));
 	isc_buffer_add(&b, strlen(str));
-	tresult = dns_name_fromtext(name, &b, dns_rootname, ISC_FALSE, NULL);
+	tresult = dns_name_fromtext(name, &b, dns_rootname, 0, NULL);
 	if (tresult != ISC_R_SUCCESS) {
 		cfg_obj_log(obj, logctx, ISC_LOG_ERROR,
 			    "bad domain name '%s'", str);
@@ -352,7 +352,7 @@ mustbesecure(const cfg_obj_t *secure, isc_symtab_t *symtab, isc_log_t *logctx,
 	str = cfg_obj_asstring(obj);
 	isc_buffer_init(&b, str, strlen(str));
 	isc_buffer_add(&b, strlen(str));
-	result = dns_name_fromtext(name, &b, dns_rootname, ISC_FALSE, NULL);
+	result = dns_name_fromtext(name, &b, dns_rootname, 0, NULL);
 	if (result != ISC_R_SUCCESS) {
 		cfg_obj_log(obj, logctx, ISC_LOG_ERROR,
 			    "bad domain name '%s'", str);
@@ -407,7 +407,7 @@ check_viewacls(cfg_aclconfctx_t *actx, const cfg_obj_t *voptions,
 	static const char *acls[] = { "allow-query", "allow-query-on",
 		"allow-query-cache", "allow-query-cache-on",
 		"blackhole", "match-clients", "match-destinations",
-		"sortlist", NULL };
+		"sortlist", "filter-aaaa", NULL };
 
 	while (acls[i] != NULL) {
 		tresult = checkacl(acls[i++], actx, NULL, voptions, config,
@@ -418,6 +418,106 @@ check_viewacls(cfg_aclconfctx_t *actx, const cfg_obj_t *voptions,
 	return (result);
 }
 
+static const unsigned char zeros[16];
+
+static isc_result_t
+check_dns64(cfg_aclconfctx_t *actx, const cfg_obj_t *voptions,
+	    const cfg_obj_t *config, isc_log_t *logctx, isc_mem_t *mctx)
+{
+	isc_result_t result = ISC_R_SUCCESS;
+	const cfg_obj_t *dns64 = NULL;
+	const cfg_obj_t *options;
+	const cfg_listelt_t *element;
+	const cfg_obj_t *map, *obj;
+	isc_netaddr_t na, sa;
+	unsigned int prefixlen;
+	int nbytes;
+	int i;
+
+	static const char *acls[] = { "client", "exclude", "mapped", NULL};
+
+	if (voptions != NULL)
+		cfg_map_get(voptions, "dns64", &dns64);
+	if (config != NULL && dns64 == NULL) {
+		options = NULL;
+		cfg_map_get(config, "options", &options);
+		if (options != NULL)
+			cfg_map_get(options, "dns64", &dns64);
+	}
+	if (dns64 == NULL)
+		return (ISC_R_SUCCESS);
+
+	for (element = cfg_list_first(dns64);
+	     element != NULL;
+	     element = cfg_list_next(element))
+	{
+		map = cfg_listelt_value(element);
+		obj = cfg_map_getname(map);
+
+		cfg_obj_asnetprefix(obj, &na, &prefixlen);
+		if (na.family != AF_INET6) {
+			cfg_obj_log(map, logctx, ISC_LOG_ERROR,
+				    "dns64 requires a IPv6 prefix");
+			result = ISC_R_FAILURE;
+			continue;
+		}
+
+		if (prefixlen != 32 && prefixlen != 40 && prefixlen != 48 &&
+		    prefixlen != 56 && prefixlen != 64 && prefixlen != 96) {
+			cfg_obj_log(map, logctx, ISC_LOG_ERROR,
+				    "bad prefix length %u [32/40/48/56/64/96]",
+				    prefixlen);
+			result = ISC_R_FAILURE;
+			continue;
+		}
+
+		for (i = 0; acls[i] != NULL; i++) {
+			obj = NULL;
+			(void)cfg_map_get(map, acls[i], &obj);
+			if (obj != NULL) {
+				dns_acl_t *acl = NULL;
+				isc_result_t tresult;
+
+				tresult = cfg_acl_fromconfig(obj, config,
+							     logctx, actx,
+							     mctx, 0, &acl);
+				if (acl != NULL)
+					dns_acl_detach(&acl);
+				if (tresult != ISC_R_SUCCESS)
+					result = tresult;
+			}
+		}
+
+		obj = NULL;
+		(void)cfg_map_get(map, "suffix", &obj);
+		if (obj != NULL) {
+			isc_netaddr_fromsockaddr(&sa, cfg_obj_assockaddr(obj));
+			if (sa.family != AF_INET6) {
+				cfg_obj_log(map, logctx, ISC_LOG_ERROR,
+					    "dns64 requires a IPv6 suffix");
+				result = ISC_R_FAILURE;
+				continue;
+			}
+			nbytes = prefixlen / 8 + 4;
+			if (prefixlen >= 32 && prefixlen <= 64)
+				nbytes++;
+			if (memcmp(sa.type.in6.s6_addr, zeros, nbytes) != 0) {
+				char netaddrbuf[ISC_NETADDR_FORMATSIZE];
+				isc_netaddr_format(&sa, netaddrbuf,
+						   sizeof(netaddrbuf));
+				cfg_obj_log(obj, logctx, ISC_LOG_ERROR,
+					    "bad suffix '%s' leading "
+					    "%u octets not zeros",
+					    netaddrbuf, nbytes);
+				result = ISC_R_FAILURE;
+			}
+		}
+	}
+
+	return (result);
+}
+
+
 /*
  * Check allow-recursion and allow-recursion-on acls, and also log a
  * warning if they're inconsistent with the "recursion" option.
@@ -493,6 +593,78 @@ check_recursionacls(cfg_aclconfctx_t *actx, const cfg_obj_t *voptions,
 	return (result);
 }
 
+static isc_result_t
+check_filteraaaa(cfg_aclconfctx_t *actx, const cfg_obj_t *voptions,
+		 const char *viewname, const cfg_obj_t *config,
+		 isc_log_t *logctx, isc_mem_t *mctx)
+{
+	const cfg_obj_t *options, *aclobj, *obj = NULL;
+	dns_acl_t *acl = NULL;
+	isc_result_t result = ISC_R_SUCCESS, tresult;
+	dns_v4_aaaa_t filter;
+	const char *forview = " for view ";
+
+	if (voptions != NULL)
+		cfg_map_get(voptions, "filter-aaaa-on-v4", &obj);
+	if (obj == NULL && config != NULL) {
+		options = NULL;
+		cfg_map_get(config, "options", &options);
+		if (options != NULL)
+			cfg_map_get(options, "filter-aaaa-on-v4", &obj);
+	}
+
+	if (obj == NULL)
+		filter = dns_v4_aaaa_ok;		/* default */
+	else if (cfg_obj_isboolean(obj))
+		filter = cfg_obj_asboolean(obj) ? dns_v4_aaaa_filter :
+						  dns_v4_aaaa_ok;
+	else
+		filter = dns_v4_aaaa_break_dnssec; 	/* break-dnssec */
+
+	if (viewname == NULL) {
+		viewname = "";
+		forview = "";
+	}
+
+	aclobj = options = NULL;
+	acl = NULL;
+
+	if (voptions != NULL)
+		cfg_map_get(voptions, "filter-aaaa", &aclobj);
+	if (config != NULL && aclobj == NULL) {
+		options = NULL;
+		cfg_map_get(config, "options", &options);
+		if (options != NULL)
+			cfg_map_get(options, "filter-aaaa", &aclobj);
+	}
+	if (aclobj == NULL)
+		return (result);
+
+	tresult = cfg_acl_fromconfig(aclobj, config, logctx,
+				    actx, mctx, 0, &acl);
+
+	if (tresult != ISC_R_SUCCESS) {
+		result = tresult;
+	} else if (filter != dns_v4_aaaa_ok && dns_acl_isnone(acl)) {
+		cfg_obj_log(aclobj, logctx, ISC_LOG_WARNING,
+			    "both \"filter-aaaa-on-v4 %s;\" and "
+			    "\"filter-aaaa\" is 'none;'%s%s",
+			    filter == dns_v4_aaaa_break_dnssec ?
+			    "break-dnssec" : "yes", forview, viewname);
+		result = ISC_R_FAILURE;
+	} else if (filter == dns_v4_aaaa_ok && !dns_acl_isnone(acl)) {
+		cfg_obj_log(aclobj, logctx, ISC_LOG_WARNING,
+			    "both \"filter-aaaa-on-v4 no;\" and "
+			    "\"filter-aaaa\" is set%s%s", forview, viewname);
+		result = ISC_R_FAILURE;
+	}
+
+	if (acl != NULL)
+		dns_acl_detach(&acl);
+
+	return (result);
+}
+
 typedef struct {
 	const char *name;
 	unsigned int scale;
@@ -524,6 +696,12 @@ check_options(const cfg_obj_t *options, isc_log_t *logctx, isc_mem_t *mctx) {
 	{ "statistics-interval", 60, 28 * 24 * 60 },	/* 28 days */
 	};
 
+	static const char *server_contact[] = {
+		"empty-server", "empty-contact",
+		"dns64-server", "dns64-contact",
+		NULL
+	};
+
 	/*
 	 * Check that fields specified in units of time other than seconds
 	 * have reasonable values.
@@ -620,7 +798,7 @@ check_options(const cfg_obj_t *options, isc_log_t *logctx, isc_mem_t *mctx) {
 				isc_buffer_add(&b, strlen(str));
 				tresult = dns_name_fromtext(name, &b,
 							   dns_rootname,
-							   ISC_FALSE, NULL);
+							   0, NULL);
 				if (tresult != ISC_R_SUCCESS) {
 					cfg_obj_log(obj, logctx, ISC_LOG_ERROR,
 						    "bad domain name '%s'",
@@ -666,14 +844,24 @@ check_options(const cfg_obj_t *options, isc_log_t *logctx, isc_mem_t *mctx) {
 		     element = cfg_list_next(element))
 		{
 			const char *dlv;
+			const cfg_obj_t *anchor;
 
 			obj = cfg_listelt_value(element);
 
 			dlv = cfg_obj_asstring(cfg_tuple_get(obj, "domain"));
+			anchor = cfg_tuple_get(obj, "trust-anchor");
+
+			/*
+			 * If domain is "auto" and trust anchor is missing,
+			 * skip remaining tests
+			 */
+			if (!strcmp(dlv, "auto") && cfg_obj_isvoid(anchor))
+				continue;
+
 			isc_buffer_init(&b, dlv, strlen(dlv));
 			isc_buffer_add(&b, strlen(dlv));
 			tresult = dns_name_fromtext(name, &b, dns_rootname,
-						    ISC_TRUE, NULL);
+						    0, NULL);
 			if (tresult != ISC_R_SUCCESS) {
 				cfg_obj_log(obj, logctx, ISC_LOG_ERROR,
 					    "bad domain name '%s'", dlv);
@@ -701,19 +889,32 @@ check_options(const cfg_obj_t *options, isc_log_t *logctx, isc_mem_t *mctx) {
 				if (result == ISC_R_SUCCESS)
 					result = ISC_R_FAILURE;
 			}
-			dlv = cfg_obj_asstring(cfg_tuple_get(obj,
-					       "trust-anchor"));
-			isc_buffer_init(&b, dlv, strlen(dlv));
-			isc_buffer_add(&b, strlen(dlv));
-			tresult = dns_name_fromtext(name, &b, dns_rootname,
-						    ISC_TRUE, NULL);
-			if (tresult != ISC_R_SUCCESS) {
+
+			if (!cfg_obj_isvoid(anchor)) {
+				dlv = cfg_obj_asstring(anchor);
+				isc_buffer_init(&b, dlv, strlen(dlv));
+				isc_buffer_add(&b, strlen(dlv));
+				tresult = dns_name_fromtext(name, &b,
+							    dns_rootname,
+							    DNS_NAME_DOWNCASE,
+							    NULL);
+				if (tresult != ISC_R_SUCCESS) {
+					cfg_obj_log(obj, logctx, ISC_LOG_ERROR,
+						    "bad domain name '%s'",
+						    dlv);
+					if (result == ISC_R_SUCCESS)
+						result = tresult;
+				}
+			} else {
 				cfg_obj_log(obj, logctx, ISC_LOG_ERROR,
-					    "bad domain name '%s'", dlv);
+					"dnssec-lookaside requires "
+					"either 'auto' or a domain and "
+					"trust anchor");
 				if (result == ISC_R_SUCCESS)
-					result = tresult;
+					result = ISC_R_FAILURE;
 			}
 		}
+
 		if (symtab != NULL)
 			isc_symtab_destroy(&symtab);
 	}
@@ -743,38 +944,29 @@ check_options(const cfg_obj_t *options, isc_log_t *logctx, isc_mem_t *mctx) {
 	}
 
 	/*
-	 * Check empty zone configuration.
+	 * Check server/contacts for syntactic validity.
 	 */
-	obj = NULL;
-	(void)cfg_map_get(options, "empty-server", &obj);
-	if (obj != NULL) {
-		str = cfg_obj_asstring(obj);
-		isc_buffer_init(&b, str, strlen(str));
-		isc_buffer_add(&b, strlen(str));
-		tresult = dns_name_fromtext(dns_fixedname_name(&fixed), &b,
-					    dns_rootname, ISC_FALSE, NULL);
-		if (tresult != ISC_R_SUCCESS) {
-			cfg_obj_log(obj, logctx, ISC_LOG_ERROR,
-				    "empty-server: invalid name '%s'", str);
-			result = ISC_R_FAILURE;
-		}
-	}
-
-	obj = NULL;
-	(void)cfg_map_get(options, "empty-contact", &obj);
-	if (obj != NULL) {
-		str = cfg_obj_asstring(obj);
-		isc_buffer_init(&b, str, strlen(str));
-		isc_buffer_add(&b, strlen(str));
-		tresult = dns_name_fromtext(dns_fixedname_name(&fixed), &b,
-					    dns_rootname, ISC_FALSE, NULL);
-		if (tresult != ISC_R_SUCCESS) {
-			cfg_obj_log(obj, logctx, ISC_LOG_ERROR,
-				    "empty-contact: invalid name '%s'", str);
-			result = ISC_R_FAILURE;
+	for (i= 0; server_contact[i] != NULL; i++) {
+		obj = NULL;
+		(void)cfg_map_get(options, server_contact[i], &obj);
+		if (obj != NULL) {
+			str = cfg_obj_asstring(obj);
+			isc_buffer_init(&b, str, strlen(str));
+			isc_buffer_add(&b, strlen(str));
+			tresult = dns_name_fromtext(dns_fixedname_name(&fixed),
+						    &b, dns_rootname, 0, NULL);
+			if (tresult != ISC_R_SUCCESS) {
+				cfg_obj_log(obj, logctx, ISC_LOG_ERROR,
+					    "%s: invalid name '%s'",
+					    server_contact[i], str);
+				result = ISC_R_FAILURE;
+			}
 		}
 	}
 
+	/*
+	 * Check empty zone configuration.
+	 */
 	obj = NULL;
 	(void)cfg_map_get(options, "disable-empty-zone", &obj);
 	for (element = cfg_list_first(obj);
@@ -786,7 +978,7 @@ check_options(const cfg_obj_t *options, isc_log_t *logctx, isc_mem_t *mctx) {
 		isc_buffer_init(&b, str, strlen(str));
 		isc_buffer_add(&b, strlen(str));
 		tresult = dns_name_fromtext(dns_fixedname_name(&fixed), &b,
-					    dns_rootname, ISC_FALSE, NULL);
+					    dns_rootname, 0, NULL);
 		if (tresult != ISC_R_SUCCESS) {
 			cfg_obj_log(obj, logctx, ISC_LOG_ERROR,
 				    "disable-empty-zone: invalid name '%s'",
@@ -950,6 +1142,12 @@ check_update_policy(const cfg_obj_t *policy, isc_log_t *logctx) {
 	const char *str;
 	isc_buffer_t b;
 
+	/* Check for "update-policy local;" */
+	if (cfg_obj_isstring(policy) &&
+	    strcmp("local", cfg_obj_asstring(policy)) == 0)
+		return (ISC_R_SUCCESS);
+
+	/* Now check the grant policy */
 	for (element = cfg_list_first(policy);
 	     element != NULL;
 	     element = cfg_list_next(element))
@@ -965,24 +1163,28 @@ check_update_policy(const cfg_obj_t *policy, isc_log_t *logctx) {
 		isc_buffer_init(&b, str, strlen(str));
 		isc_buffer_add(&b, strlen(str));
 		tresult = dns_name_fromtext(dns_fixedname_name(&fixed), &b,
-					    dns_rootname, ISC_FALSE, NULL);
+					    dns_rootname, 0, NULL);
 		if (tresult != ISC_R_SUCCESS) {
 			cfg_obj_log(identity, logctx, ISC_LOG_ERROR,
 				    "'%s' is not a valid name", str);
 			result = tresult;
 		}
 
-		dns_fixedname_init(&fixed);
-		str = cfg_obj_asstring(dname);
-		isc_buffer_init(&b, str, strlen(str));
-		isc_buffer_add(&b, strlen(str));
-		tresult = dns_name_fromtext(dns_fixedname_name(&fixed), &b,
-					    dns_rootname, ISC_FALSE, NULL);
-		if (tresult != ISC_R_SUCCESS) {
-			cfg_obj_log(dname, logctx, ISC_LOG_ERROR,
-				    "'%s' is not a valid name", str);
-			result = tresult;
+		if (tresult == ISC_R_SUCCESS &&
+		    strcasecmp(cfg_obj_asstring(matchtype), "zonesub") != 0) {
+			dns_fixedname_init(&fixed);
+			str = cfg_obj_asstring(dname);
+			isc_buffer_init(&b, str, strlen(str));
+			isc_buffer_add(&b, strlen(str));
+			tresult = dns_name_fromtext(dns_fixedname_name(&fixed),
+						    &b, dns_rootname, 0, NULL);
+			if (tresult != ISC_R_SUCCESS) {
+				cfg_obj_log(dname, logctx, ISC_LOG_ERROR,
+					    "'%s' is not a valid name", str);
+				result = tresult;
+			}
 		}
+
 		if (tresult == ISC_R_SUCCESS &&
 		    strcasecmp(cfg_obj_asstring(matchtype), "wildcard") == 0 &&
 		    !dns_name_iswildcard(dns_fixedname_name(&fixed))) {
@@ -1020,7 +1222,8 @@ check_update_policy(const cfg_obj_t *policy, isc_log_t *logctx) {
 #define HINTZONE	8
 #define FORWARDZONE	16
 #define DELEGATIONZONE	32
-#define CHECKACL	64
+#define STATICSTUBZONE	64
+#define CHECKACL	128
 
 typedef struct {
 	const char *name;
@@ -1033,7 +1236,7 @@ check_zoneconf(const cfg_obj_t *zconfig, const cfg_obj_t *voptions,
 	       dns_rdataclass_t defclass, cfg_aclconfctx_t *actx,
 	       isc_log_t *logctx, isc_mem_t *mctx)
 {
-	const char *zname;
+	const char *znamestr;
 	const char *typestr;
 	unsigned int ztype;
 	const cfg_obj_t *zoptions;
@@ -1043,11 +1246,14 @@ check_zoneconf(const cfg_obj_t *zconfig, const cfg_obj_t *voptions,
 	unsigned int i;
 	dns_rdataclass_t zclass;
 	dns_fixedname_t fixedname;
+	dns_name_t *zname = NULL;
 	isc_buffer_t b;
 	isc_boolean_t root = ISC_FALSE;
+	const cfg_listelt_t *element;
 
 	static optionstable options[] = {
-	{ "allow-query", MASTERZONE | SLAVEZONE | STUBZONE | CHECKACL },
+	{ "allow-query", MASTERZONE | SLAVEZONE | STUBZONE | CHECKACL |
+	  STATICSTUBZONE },
 	{ "allow-notify", SLAVEZONE | CHECKACL },
 	{ "allow-transfer", MASTERZONE | SLAVEZONE | CHECKACL },
 	{ "notify", MASTERZONE | SLAVEZONE },
@@ -1070,12 +1276,14 @@ check_zoneconf(const cfg_obj_t *zconfig, const cfg_obj_t *voptions,
 	{ "min-retry-time", SLAVEZONE | STUBZONE },
 	{ "max-refresh-time", SLAVEZONE | STUBZONE },
 	{ "min-refresh-time", SLAVEZONE | STUBZONE },
+	{ "dnssec-secure-to-insecure", MASTERZONE },
 	{ "sig-validity-interval", MASTERZONE },
 	{ "sig-re-signing-interval", MASTERZONE },
 	{ "sig-signing-nodes", MASTERZONE },
 	{ "sig-signing-type", MASTERZONE },
 	{ "sig-signing-signatures", MASTERZONE },
-	{ "zone-statistics", MASTERZONE | SLAVEZONE | STUBZONE },
+	{ "zone-statistics", MASTERZONE | SLAVEZONE | STUBZONE |
+	  STATICSTUBZONE},
 	{ "allow-update", MASTERZONE | CHECKACL },
 	{ "allow-update-forwarding", SLAVEZONE | CHECKACL },
 	{ "file", MASTERZONE | SLAVEZONE | STUBZONE | HINTZONE },
@@ -1089,12 +1297,17 @@ check_zoneconf(const cfg_obj_t *zconfig, const cfg_obj_t *voptions,
 	{ "key-directory", MASTERZONE },
 	{ "check-wildcard", MASTERZONE },
 	{ "check-mx", MASTERZONE },
+	{ "check-dup-records", MASTERZONE },
 	{ "integrity-check", MASTERZONE },
 	{ "check-mx-cname", MASTERZONE },
 	{ "check-srv-cname", MASTERZONE },
 	{ "masterfile-format", MASTERZONE | SLAVEZONE | STUBZONE | HINTZONE },
 	{ "update-check-ksk", MASTERZONE },
+	{ "dnssec-dnskey-kskonly", MASTERZONE },
+	{ "auto-dnssec", MASTERZONE },
 	{ "try-tcp-refresh", SLAVEZONE },
+	{ "server-addresses", STATICSTUBZONE },
+	{ "server-names", STATICSTUBZONE },
 	};
 
 	static optionstable dialups[] = {
@@ -1104,7 +1317,7 @@ check_zoneconf(const cfg_obj_t *zconfig, const cfg_obj_t *voptions,
 	{ "passive", SLAVEZONE | STUBZONE },
 	};
 
-	zname = cfg_obj_asstring(cfg_tuple_get(zconfig, "name"));
+	znamestr = cfg_obj_asstring(cfg_tuple_get(zconfig, "name"));
 
 	zoptions = cfg_tuple_get(zconfig, "options");
 
@@ -1112,7 +1325,7 @@ check_zoneconf(const cfg_obj_t *zconfig, const cfg_obj_t *voptions,
 	(void)cfg_map_get(zoptions, "type", &obj);
 	if (obj == NULL) {
 		cfg_obj_log(zconfig, logctx, ISC_LOG_ERROR,
-			    "zone '%s': type not present", zname);
+			    "zone '%s': type not present", znamestr);
 		return (ISC_R_FAILURE);
 	}
 
@@ -1123,6 +1336,8 @@ check_zoneconf(const cfg_obj_t *zconfig, const cfg_obj_t *voptions,
 		ztype = SLAVEZONE;
 	else if (strcasecmp(typestr, "stub") == 0)
 		ztype = STUBZONE;
+	else if (strcasecmp(typestr, "static-stub") == 0)
+		ztype = STATICSTUBZONE;
 	else if (strcasecmp(typestr, "forward") == 0)
 		ztype = FORWARDZONE;
 	else if (strcasecmp(typestr, "hint") == 0)
@@ -1132,7 +1347,7 @@ check_zoneconf(const cfg_obj_t *zconfig, const cfg_obj_t *voptions,
 	else {
 		cfg_obj_log(obj, logctx, ISC_LOG_ERROR,
 			    "zone '%s': invalid type %s",
-			    zname, typestr);
+			    znamestr, typestr);
 		return (ISC_R_FAILURE);
 	}
 
@@ -1146,14 +1361,14 @@ check_zoneconf(const cfg_obj_t *zconfig, const cfg_obj_t *voptions,
 		if (result != ISC_R_SUCCESS) {
 			cfg_obj_log(obj, logctx, ISC_LOG_ERROR,
 				    "zone '%s': invalid class %s",
-				    zname, r.base);
+				    znamestr, r.base);
 			return (ISC_R_FAILURE);
 		}
 		if (zclass != defclass) {
 			cfg_obj_log(obj, logctx, ISC_LOG_ERROR,
 				    "zone '%s': class '%s' does not "
 				    "match view/default class",
-				    zname, r.base);
+				    znamestr, r.base);
 			return (ISC_R_FAILURE);
 		}
 	}
@@ -1164,26 +1379,25 @@ check_zoneconf(const cfg_obj_t *zconfig, const cfg_obj_t *voptions,
 	 * deals with strings.
 	 */
 	dns_fixedname_init(&fixedname);
-	isc_buffer_init(&b, zname, strlen(zname));
-	isc_buffer_add(&b, strlen(zname));
+	isc_buffer_init(&b, znamestr, strlen(znamestr));
+	isc_buffer_add(&b, strlen(znamestr));
 	tresult = dns_name_fromtext(dns_fixedname_name(&fixedname), &b,
-				    dns_rootname, ISC_TRUE, NULL);
+				    dns_rootname, DNS_NAME_DOWNCASE, NULL);
 	if (tresult != ISC_R_SUCCESS) {
 		cfg_obj_log(zconfig, logctx, ISC_LOG_ERROR,
-			    "zone '%s': is not a valid name", zname);
+			    "zone '%s': is not a valid name", znamestr);
 		result = ISC_R_FAILURE;
 	} else {
 		char namebuf[DNS_NAME_FORMATSIZE];
 
-		dns_name_format(dns_fixedname_name(&fixedname),
-				namebuf, sizeof(namebuf));
+		zname = dns_fixedname_name(&fixedname);
+		dns_name_format(zname, namebuf, sizeof(namebuf));
 		tresult = nameexist(zconfig, namebuf, ztype == HINTZONE ? 1 : 2,
 				    symtab, "zone '%s': already exists "
 				    "previous definition: %s:%u", logctx, mctx);
 		if (tresult != ISC_R_SUCCESS)
 			result = tresult;
-		if (dns_name_equal(dns_fixedname_name(&fixedname),
-				   dns_rootname))
+		if (dns_name_equal(zname, dns_rootname))
 			root = ISC_TRUE;
 	}
 
@@ -1202,13 +1416,15 @@ check_zoneconf(const cfg_obj_t *zconfig, const cfg_obj_t *voptions,
 				cfg_obj_log(obj, logctx, ISC_LOG_ERROR,
 					    "option '%s' is not allowed "
 					    "in '%s' zone '%s'",
-					    options[i].name, typestr, zname);
+					    options[i].name, typestr,
+					    znamestr);
 					result = ISC_R_FAILURE;
 			} else
 				cfg_obj_log(obj, logctx, ISC_LOG_WARNING,
 					    "option '%s' is not allowed "
 					    "in '%s' zone '%s'",
-					    options[i].name, typestr, zname);
+					    options[i].name, typestr,
+					    znamestr);
 		}
 		obj = NULL;
 		if ((options[i].allowed & ztype) != 0 &&
@@ -1230,7 +1446,7 @@ check_zoneconf(const cfg_obj_t *zconfig, const cfg_obj_t *voptions,
 		if (cfg_map_get(zoptions, "masters", &obj) != ISC_R_SUCCESS) {
 			cfg_obj_log(zoptions, logctx, ISC_LOG_ERROR,
 				    "zone '%s': missing 'masters' entry",
-				    zname);
+				    znamestr);
 			result = ISC_R_FAILURE;
 		} else {
 			isc_uint32_t count;
@@ -1241,7 +1457,7 @@ check_zoneconf(const cfg_obj_t *zconfig, const cfg_obj_t *voptions,
 			if (tresult == ISC_R_SUCCESS && count == 0) {
 				cfg_obj_log(zoptions, logctx, ISC_LOG_ERROR,
 					    "zone '%s': empty 'masters' entry",
-					    zname);
+					    znamestr);
 				result = ISC_R_FAILURE;
 			}
 		}
@@ -1251,7 +1467,10 @@ check_zoneconf(const cfg_obj_t *zconfig, const cfg_obj_t *voptions,
 	 * Master zones can't have both "allow-update" and "update-policy".
 	 */
 	if (ztype == MASTERZONE) {
-		isc_result_t res1, res2;
+		isc_result_t res1, res2, res3;
+		const char *arg;
+		isc_boolean_t ddns;
+
 		obj = NULL;
 		res1 = cfg_map_get(zoptions, "allow-update", &obj);
 		obj = NULL;
@@ -1260,11 +1479,32 @@ check_zoneconf(const cfg_obj_t *zconfig, const cfg_obj_t *voptions,
 			cfg_obj_log(obj, logctx, ISC_LOG_ERROR,
 				    "zone '%s': 'allow-update' is ignored "
 				    "when 'update-policy' is present",
-				    zname);
+				    znamestr);
 			result = ISC_R_FAILURE;
 		} else if (res2 == ISC_R_SUCCESS &&
 			   check_update_policy(obj, logctx) != ISC_R_SUCCESS)
 			result = ISC_R_FAILURE;
+		ddns = ISC_TF(res1 == ISC_R_SUCCESS || res2 == ISC_R_SUCCESS);
+
+		obj = NULL;
+		arg = "off";
+		res3 = cfg_map_get(zoptions, "auto-dnssec", &obj);
+		if (res3 == ISC_R_SUCCESS)
+			arg = cfg_obj_asstring(obj);
+		if (strcasecmp(arg, "off") != 0 && !ddns) {
+			cfg_obj_log(obj, logctx, ISC_LOG_ERROR,
+				    "'auto-dnssec %s;' requires "
+				    "dynamic DNS to be configured in the zone",
+				    arg);
+			result = ISC_R_FAILURE;
+		}
+		if (strcasecmp(arg, "create") == 0) {
+			cfg_obj_log(obj, logctx, ISC_LOG_ERROR,
+				    "'auto-dnssec create;' is not "
+				    "yet implemented");
+			result = ISC_R_FAILURE;
+		}
+
 		obj = NULL;
 		res1 = cfg_map_get(zoptions, "sig-signing-type", &obj);
 		if (res1 == ISC_R_SUCCESS) {
@@ -1298,7 +1538,7 @@ check_zoneconf(const cfg_obj_t *zconfig, const cfg_obj_t *voptions,
 						    "dialup type '%s' is not "
 						    "allowed in '%s' "
 						    "zone '%s'",
-						    str, typestr, zname);
+						    str, typestr, znamestr);
 					result = ISC_R_FAILURE;
 				}
 				break;
@@ -1306,7 +1546,7 @@ check_zoneconf(const cfg_obj_t *zconfig, const cfg_obj_t *voptions,
 			if (i == sizeof(dialups) / sizeof(dialups[0])) {
 				cfg_obj_log(obj, logctx, ISC_LOG_ERROR,
 					    "invalid dialup type '%s' in zone "
-					    "'%s'", str, zname);
+					    "'%s'", str, znamestr);
 				result = ISC_R_FAILURE;
 			}
 		}
@@ -1330,6 +1570,78 @@ check_zoneconf(const cfg_obj_t *zconfig, const cfg_obj_t *voptions,
 		result = ISC_R_FAILURE;
 
 	/*
+	 * Check validity of static stub server addresses.
+	 */
+	obj = NULL;
+	(void)cfg_map_get(zoptions, "server-addresses", &obj);
+	if (ztype == STATICSTUBZONE && obj != NULL) {
+		for (element = cfg_list_first(obj);
+		     element != NULL;
+		     element = cfg_list_next(element))
+		{
+			isc_sockaddr_t sa;
+			isc_netaddr_t na;
+			obj = cfg_listelt_value(element);
+			sa = *cfg_obj_assockaddr(obj);
+
+			if (isc_sockaddr_getport(&sa) != 0) {
+				result = ISC_R_FAILURE;
+				cfg_obj_log(obj, logctx, ISC_LOG_ERROR,
+					    "port is not configurable for "
+					    "static stub server-addresses");
+			}
+
+			isc_netaddr_fromsockaddr(&na, &sa);
+			if (isc_netaddr_getzone(&na) != 0) {
+				result = ISC_R_FAILURE;
+				cfg_obj_log(obj, logctx, ISC_LOG_ERROR,
+					    "scoped address is not allowed "
+					    "for static stub "
+					    "server-addresses");
+			}
+		}
+	}
+
+	/*
+	 * Check validity of static stub server names.
+	 */
+	obj = NULL;
+	(void)cfg_map_get(zoptions, "server-names", &obj);
+	if (zname != NULL && ztype == STATICSTUBZONE && obj != NULL) {
+		for (element = cfg_list_first(obj);
+		     element != NULL;
+		     element = cfg_list_next(element))
+		{
+			const char *snamestr;
+			dns_fixedname_t fixed_sname;
+			isc_buffer_t b2;
+			dns_name_t *sname;
+
+			obj = cfg_listelt_value(element);
+			snamestr = cfg_obj_asstring(obj);
+
+			dns_fixedname_init(&fixed_sname);
+			isc_buffer_init(&b2, snamestr, strlen(snamestr));
+			isc_buffer_add(&b2, strlen(snamestr));
+			sname = dns_fixedname_name(&fixed_sname);
+			tresult = dns_name_fromtext(sname, &b2, dns_rootname,
+						    0, NULL);
+			if (tresult != ISC_R_SUCCESS) {
+				cfg_obj_log(zconfig, logctx, ISC_LOG_ERROR,
+					    "server-name '%s' is not a valid "
+					    "name", snamestr);
+				result = ISC_R_FAILURE;
+			} else if (dns_name_issubdomain(sname, zname)) {
+				cfg_obj_log(zconfig, logctx, ISC_LOG_ERROR,
+					    "server-name '%s' must not be a "
+					    "subdomain of zone name '%s'",
+					    snamestr, znamestr);
+				result = ISC_R_FAILURE;
+			}
+		}
+	}
+
+	/*
 	 * Check various options.
 	 */
 	tresult = check_options(zoptions, logctx, mctx);
@@ -1352,7 +1664,7 @@ check_zoneconf(const cfg_obj_t *zconfig, const cfg_obj_t *voptions,
 		    (ztype == MASTERZONE || ztype == HINTZONE)) {
 			cfg_obj_log(zconfig, logctx, ISC_LOG_ERROR,
 				    "zone '%s': missing 'file' entry",
-				    zname);
+				    znamestr);
 			result = tresult;
 		}
 	}
@@ -1374,6 +1686,9 @@ bind9_check_key(const cfg_obj_t *key, isc_log_t *logctx) {
 	const char *algorithm;
 	int i;
 	size_t len = 0;
+	isc_result_t result;
+	isc_buffer_t buf;
+	unsigned char secretbuf[1024];
 	static const algorithmtable algorithms[] = {
 		{ "hmac-md5", 128 },
 		{ "hmac-md5.sig-alg.reg.int", 0 },
@@ -1396,6 +1711,14 @@ bind9_check_key(const cfg_obj_t *key, isc_log_t *logctx) {
 		return (ISC_R_FAILURE);
 	}
 
+	isc_buffer_init(&buf, secretbuf, sizeof(secretbuf));
+	result = isc_base64_decodestring(cfg_obj_asstring(secretobj), &buf);
+	if (result != ISC_R_SUCCESS) {
+		cfg_obj_log(secretobj, logctx, ISC_LOG_ERROR,
+			    "bad secret '%s'", isc_result_totext(result));
+		return (result);
+	}
+
 	algorithm = cfg_obj_asstring(algobj);
 	for (i = 0; algorithms[i].name != NULL; i++) {
 		len = strlen(algorithms[i].name);
@@ -1480,7 +1803,7 @@ check_keylist(const cfg_obj_t *keys, isc_symtab_t *symtab,
 		isc_buffer_init(&b, keyid, strlen(keyid));
 		isc_buffer_add(&b, strlen(keyid));
 		tresult = dns_name_fromtext(name, &b, dns_rootname,
-					    ISC_FALSE, NULL);
+					    0, NULL);
 		if (tresult != ISC_R_SUCCESS) {
 			cfg_obj_log(key, logctx, ISC_LOG_ERROR,
 				    "key '%s': bad key name", keyid);
@@ -1650,7 +1973,7 @@ check_servers(const cfg_obj_t *config, const cfg_obj_t *voptions,
 			isc_buffer_add(&b, strlen(keyval));
 			keyname = dns_fixedname_name(&fname);
 			tresult = dns_name_fromtext(keyname, &b, dns_rootname,
-						    ISC_FALSE, NULL);
+						    0, NULL);
 			if (tresult != ISC_R_SUCCESS) {
 				cfg_obj_log(keys, logctx, ISC_LOG_ERROR,
 					    "bad key name '%s'", keyval);
@@ -1670,7 +1993,8 @@ check_servers(const cfg_obj_t *config, const cfg_obj_t *voptions,
 }
 
 static isc_result_t
-check_trusted_key(const cfg_obj_t *key, isc_log_t *logctx)
+check_trusted_key(const cfg_obj_t *key, isc_boolean_t managed,
+		  isc_log_t *logctx)
 {
 	const char *keystr, *keynamestr;
 	dns_fixedname_t fkeyname;
@@ -1704,6 +2028,19 @@ check_trusted_key(const cfg_obj_t *key, isc_log_t *logctx)
 		result = ISC_R_FAILURE;
 	}
 
+	if (managed) {
+		const char *initmethod;
+		initmethod = cfg_obj_asstring(cfg_tuple_get(key, "init"));
+
+		if (strcasecmp(initmethod, "initial-key") != 0) {
+			cfg_obj_log(key, logctx, ISC_LOG_ERROR,
+				    "managed key '%s': "
+				    "invalid initialization method '%s'",
+				    keynamestr, initmethod);
+			result = ISC_R_FAILURE;
+		}
+	}
+
 	isc_buffer_init(&keydatabuf, keydata, sizeof(keydata));
 
 	keystr = cfg_obj_asstring(cfg_tuple_get(key, "key"));
@@ -1719,7 +2056,8 @@ check_trusted_key(const cfg_obj_t *key, isc_log_t *logctx)
 		if ((alg == DST_ALG_RSASHA1 || alg == DST_ALG_RSAMD5) &&
 		    r.length > 1 && r.base[0] == 1 && r.base[1] == 3)
 			cfg_obj_log(key, logctx, ISC_LOG_WARNING,
-				    "trusted key '%s' has a weak exponent",
+				    "%s key '%s' has a weak exponent",
+				    managed ? "managed" : "trusted",
 				    keynamestr);
 	}
 
@@ -1892,12 +2230,32 @@ check_viewconf(const cfg_obj_t *config, const cfg_obj_t *voptions,
 		     element2 != NULL;
 		     element2 = cfg_list_next(element2)) {
 			obj = cfg_listelt_value(element2);
-			tresult = check_trusted_key(obj, logctx);
+			tresult = check_trusted_key(obj, ISC_FALSE, logctx);
 			if (tresult != ISC_R_SUCCESS)
 				result = tresult;
 		}
 	}
 
+	keys = NULL;
+	if (voptions != NULL)
+		(void)cfg_map_get(voptions, "managed-keys", &keys);
+	if (keys == NULL)
+		(void)cfg_map_get(config, "managed-keys", &keys);
+
+	for (element = cfg_list_first(keys);
+	     element != NULL;
+	     element = cfg_list_next(element))
+	{
+		const cfg_obj_t *keylist = cfg_listelt_value(element);
+		for (element2 = cfg_list_first(keylist);
+		     element2 != NULL;
+		     element2 = cfg_list_next(element2)) {
+			obj = cfg_listelt_value(element2);
+			tresult = check_trusted_key(obj, ISC_TRUE, logctx);
+			if (tresult != ISC_R_SUCCESS)
+				result = tresult;
+		}
+	}
 	/*
 	 * Check options.
 	 */
@@ -1917,7 +2275,16 @@ check_viewconf(const cfg_obj_t *config, const cfg_obj_t *voptions,
 	if (tresult != ISC_R_SUCCESS)
 		result = tresult;
 
-	cfg_aclconfctx_destroy(&actx);
+	tresult = check_filteraaaa(&actx, voptions, viewname, config,
+				   logctx, mctx);
+	if (tresult != ISC_R_SUCCESS)
+		result = tresult;
+
+	tresult = check_dns64(&actx, voptions, config, logctx, mctx);
+	if (tresult != ISC_R_SUCCESS)
+		result = tresult;
+
+	cfg_aclconfctx_clear(&actx);
 
 	return (result);
 }
@@ -2162,7 +2529,7 @@ bind9_check_controls(const cfg_obj_t *config, isc_log_t *logctx,
 				result = tresult;
 		}
 	}
-	cfg_aclconfctx_destroy(&actx);
+	cfg_aclconfctx_clear(&actx);
 	return (result);
 }
 
diff --git a/lib/bind9/include/bind9/getaddresses.h b/lib/bind9/include/bind9/getaddresses.h
index 677ced2..9ad8045 100644
--- a/lib/bind9/include/bind9/getaddresses.h
+++ b/lib/bind9/include/bind9/getaddresses.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: getaddresses.h,v 1.9.332.2 2009-01-18 23:47:35 tbox Exp $ */
+/* $Id: getaddresses.h,v 1.11 2009-01-17 23:47:42 tbox Exp $ */
 
 #ifndef BIND9_GETADDRESSES_H
 #define BIND9_GETADDRESSES_H 1
diff --git a/lib/dns/Makefile.in b/lib/dns/Makefile.in
index dfb8d7f..45c5c2a 100644
--- a/lib/dns/Makefile.in
+++ b/lib/dns/Makefile.in
@@ -1,4 +1,4 @@
-# Copyright (C) 2004-2008, 2010  Internet Systems Consortium, Inc. ("ISC")
+# Copyright (C) 2004-2011  Internet Systems Consortium, Inc. ("ISC")
 # Copyright (C) 1998-2003  Internet Software Consortium.
 #
 # Permission to use, copy, modify, and/or distribute this software for any
@@ -13,7 +13,7 @@
 # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 # PERFORMANCE OF THIS SOFTWARE.
 
-# $Id: Makefile.in,v 1.163.50.2 2010-06-09 23:48:16 tbox Exp $
+# $Id: Makefile.in,v 1.176 2011-01-13 01:59:27 marka Exp $
 
 srcdir =	@srcdir@
 VPATH =		@srcdir@
@@ -34,8 +34,7 @@ USE_ISC_SPNEGO = @USE_ISC_SPNEGO@
 CINCLUDES =	-I. -Iinclude ${DNS_INCLUDES} \
 		${ISC_INCLUDES} @DST_OPENSSL_INC@ @DST_GSSAPI_INC@
 
-CDEFINES =	-DUSE_MD5 @USE_OPENSSL@ @USE_PKCS11@ @USE_GSSAPI@ \
-		${USE_ISC_SPNEGO}
+CDEFINES =	-DUSE_MD5 @USE_OPENSSL@ @USE_GSSAPI@ ${USE_ISC_SPNEGO}
 
 CWARNINGS =
 
@@ -48,7 +47,7 @@ LIBS =		@LIBS@
 # Alphabetically
 
 OPENSSLLINKOBJS = openssl_link.@O@ openssldh_link.@O@ openssldsa_link.@O@ \
-		  opensslrsa_link.@O@
+		  opensslgost_link.@O@ opensslrsa_link.@O@
 
 DSTOBJS =	@DST_EXTRA_OBJS@ @OPENSSLLINKOBJS@ \
 		dst_api.@O@ dst_lib.@O@ dst_parse.@O@ dst_result.@O@ \
@@ -58,24 +57,26 @@ DSTOBJS =	@DST_EXTRA_OBJS@ @OPENSSLLINKOBJS@ \
 DNSOBJS =	acache.@O@ acl.@O@ adb.@O@ byaddr.@O@ \
 		cache.@O@ callbacks.@O@ compress.@O@ \
 		db.@O@ dbiterator.@O@ dbtable.@O@ diff.@O@ dispatch.@O@ \
-		dlz.@O@ dnssec.@O@ ds.@O@ forward.@O@ iptable.@O@ journal.@O@ \
-		keytable.@O@ lib.@O@ log.@O@ lookup.@O@ \
+		dlz.@O@ dns64.@O@ dnssec.@O@ ds.@O@ forward.@O@ iptable.@O@ \
+		journal.@O@ keydata.@O@ keytable.@O@ \
+		lib.@O@ log.@O@ lookup.@O@ \
 		master.@O@ masterdump.@O@ message.@O@ \
-		name.@O@ ncache.@O@ nsec.@O@ nsec3.@O@ order.@O@ peer.@O@ portlist.@O@ \
+		name.@O@ ncache.@O@ nsec.@O@ nsec3.@O@ order.@O@ peer.@O@ \
+		portlist.@O@ private.@O@ \
 		rbt.@O@ rbtdb.@O@ rbtdb64.@O@ rcode.@O@ rdata.@O@ \
-		rdatalist.@O@ \
-		rdataset.@O@ rdatasetiter.@O@ rdataslab.@O@ request.@O@ \
-		resolver.@O@ result.@O@ rootns.@O@ sdb.@O@ sdlz.@O@ \
-		soa.@O@ ssu.@O@ \
+		rdatalist.@O@ rdataset.@O@ rdatasetiter.@O@ rdataslab.@O@ \
+		request.@O@ resolver.@O@ result.@O@ rootns.@O@ rpz.@O@ \
+		rriterator.@O@ sdb.@O@ \
+		sdlz.@O@ soa.@O@ ssu.@O@ ssu_external.@O@ \
 		stats.@O@ tcpmsg.@O@ time.@O@ timer.@O@ tkey.@O@ \
-		tsig.@O@ ttl.@O@ validator.@O@ \
+		tsec.@O@ tsig.@O@ ttl.@O@ validator.@O@ \
 		version.@O@ view.@O@ xfrin.@O@ zone.@O@ zonekey.@O@ zt.@O@
 
 OBJS=		${DNSOBJS} ${OTHEROBJS} ${DSTOBJS}
 
 # Alphabetically
-OPENSSLLINKSRCS = openssl_link.c openssldh_link.c \
-		openssldsa_link.c opensslrsa_link.c
+OPENSSLLINKSRCS = openssl_link.c openssldh_link.c openssldsa_link.c \
+		  opensslgost_link.c opensslrsa_link.c
 
 DSTSRCS =	@DST_EXTRA_SRCS@ @OPENSSLLINKSRCS@ \
 		dst_api.c dst_lib.c dst_parse.c \
@@ -85,17 +86,16 @@ DSTSRCS =	@DST_EXTRA_SRCS@ @OPENSSLLINKSRCS@ \
 DNSSRCS =	acache.c acl.c adb.c byaddr.c \
 		cache.c callbacks.c compress.c \
 		db.c dbiterator.c dbtable.c diff.c dispatch.c \
-		dlz.c dnssec.c ds.c forward.c iptable.c journal.c \
-		keytable.c lib.c log.c lookup.c \
+		dlz.c dns64.c dnssec.c ds.c forward.c iptable.c journal.c \
+		keydata.c keytable.c lib.c log.c lookup.c \
 		master.c masterdump.c message.c \
 		name.c ncache.c nsec.c nsec3.c order.c peer.c portlist.c \
-		rbt.c rbtdb.c rbtdb64.c rcode.c rdata.c \
-		rdatalist.c \
+		rbt.c rbtdb.c rbtdb64.c rcode.c rdata.c rdatalist.c \
 		rdataset.c rdatasetiter.c rdataslab.c request.c \
-		resolver.c result.c rootns.c sdb.c sdlz.c \
-		soa.c ssu.c \
+		resolver.c result.c rootns.c rpz.c rriterator.c \
+		sdb.c sdlz.c soa.c ssu.c ssu_external.c \
 		stats.c tcpmsg.c time.c timer.c tkey.c \
-		tsig.c ttl.c validator.c \
+		tsec.c tsig.c ttl.c validator.c \
 		version.c view.c xfrin.c zone.c zonekey.c zt.c ${OTHERSRCS}
 SRCS = ${DSTSRCS} ${DNSSRCS}
 
diff --git a/lib/dns/acl.c b/lib/dns/acl.c
index cfb7fd8..118e394 100644
--- a/lib/dns/acl.c
+++ b/lib/dns/acl.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: acl.c,v 1.50.44.3 2009-01-18 23:47:35 tbox Exp $ */
+/* $Id: acl.c,v 1.53 2009-01-17 23:47:42 tbox Exp $ */
 
 /*! \file */
 
diff --git a/lib/dns/adb.c b/lib/dns/adb.c
index cd9cadf..fcc2dd8 100644
--- a/lib/dns/adb.c
+++ b/lib/dns/adb.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: adb.c,v 1.243.42.6 2010-08-11 23:45:49 tbox Exp $ */
+/* $Id: adb.c,v 1.254 2010-12-21 23:47:08 tbox Exp $ */
 
 /*! \file
  *
@@ -66,13 +66,6 @@
 #define DNS_ADBFETCH6_VALID(x)    ISC_MAGIC_VALID(x, DNS_ADBFETCH6_MAGIC)
 
 /*!
- * The number of buckets needs to be a prime (for good hashing).
- *
- * XXXRTH  How many buckets do we need?
- */
-#define NBUCKETS               1009     /*%< how many buckets for names/addrs */
-
-/*!
  * For type 3 negative cache entries, we will remember that the address is
  * broken for this long.  XXXMLG This is also used for actual addresses, too.
  * The intent is to keep us from constantly asking about A/AAAA records
@@ -139,30 +132,37 @@ struct dns_adb {
 	 *
 	 * XXXRTH  Have a per-bucket structure that contains all of these?
 	 */
-	dns_adbnamelist_t               names[NBUCKETS];
-	dns_adbnamelist_t               deadnames[NBUCKETS];
-	/*% See dns_adbnamelist_t */
-	isc_mutex_t                     namelocks[NBUCKETS];
-	/*% See dns_adbnamelist_t */
-	isc_boolean_t                   name_sd[NBUCKETS];
-	/*% See dns_adbnamelist_t */
-	unsigned int                    name_refcnt[NBUCKETS];
+	unsigned int			nnames;
+	isc_mutex_t                     namescntlock;
+	unsigned int			namescnt;
+	dns_adbnamelist_t               *names;
+	dns_adbnamelist_t               *deadnames;
+	isc_mutex_t                     *namelocks;
+	isc_boolean_t                   *name_sd;
+	unsigned int                    *name_refcnt;
 
 	/*!
-	 * Bucketized locks for entries.
+	 * Bucketized locks and lists for entries.
 	 *
 	 * XXXRTH  Have a per-bucket structure that contains all of these?
 	 */
-	dns_adbentrylist_t              entries[NBUCKETS];
-	dns_adbentrylist_t              deadentries[NBUCKETS];
-	isc_mutex_t                     entrylocks[NBUCKETS];
-	isc_boolean_t                   entry_sd[NBUCKETS]; /*%< shutting down */
-	unsigned int                    entry_refcnt[NBUCKETS];
+	unsigned int			nentries;
+	isc_mutex_t                     entriescntlock;
+	unsigned int			entriescnt;
+	dns_adbentrylist_t              *entries;
+	dns_adbentrylist_t              *deadentries;
+	isc_mutex_t                     *entrylocks;
+	isc_boolean_t                   *entry_sd; /*%< shutting down */
+	unsigned int                    *entry_refcnt;
 
 	isc_event_t                     cevent;
 	isc_boolean_t                   cevent_sent;
 	isc_boolean_t                   shutting_down;
 	isc_eventlist_t                 whenshutdown;
+	isc_event_t			growentries;
+	isc_boolean_t			growentries_sent;
+	isc_event_t			grownames;
+	isc_boolean_t			grownames_sent;
 };
 
 /*
@@ -484,6 +484,322 @@ ttlclamp(dns_ttl_t ttl) {
 }
 
 /*
+ * Hashing is most efficient if the number of buckets is prime.
+ * The sequence below is the closest previous primes to 2^n and
+ * 1.5 * 2^n, for values of n from 10 to 28.  (The tables will
+ * no longer grow beyond 2^28 entries.)
+ */
+static const unsigned nbuckets[] = { 1021, 1531, 2039, 3067, 4093, 6143,
+				     8191, 12281, 16381, 24571, 32749,
+				     49193, 65521, 98299, 131071, 199603,
+				     262139, 393209, 524287, 768431, 1048573,
+				     1572853, 2097143, 3145721, 4194301,
+				     6291449, 8388593, 12582893, 16777213,
+				     25165813, 33554393, 50331599, 67108859,
+				     100663291, 134217689, 201326557,
+				     268535431, 0 };
+
+static void
+grow_entries(isc_task_t *task, isc_event_t *ev) {
+	dns_adb_t *adb;
+	dns_adbentry_t *e;
+	dns_adbentrylist_t *newdeadentries = NULL;
+	dns_adbentrylist_t *newentries = NULL;
+	isc_boolean_t *newentry_sd = NULL;
+	isc_mutex_t *newentrylocks = NULL;
+	isc_result_t result;
+	unsigned int *newentry_refcnt = NULL;
+	unsigned int i, n, bucket;
+
+	adb = ev->ev_arg;
+	INSIST(DNS_ADB_VALID(adb));
+
+	isc_event_free(&ev);
+
+	isc_task_beginexclusive(task);
+
+	i = 0;
+	while (nbuckets[i] != 0 && adb->nentries >= nbuckets[i])
+		i++;
+	if (nbuckets[i] != 0)
+		n = nbuckets[i];
+	else
+		goto done;
+
+	DP(ISC_LOG_INFO, "adb: grow_entries to %u starting", n);
+
+	/*
+	 * Are we shutting down?
+	 */
+	for (i = 0; i < adb->nentries; i++)
+		if (adb->entry_sd[i])
+			goto cleanup;
+
+	/*
+	 * Grab all the resources we need.
+	 */
+	newentries = isc_mem_get(adb->mctx, sizeof(*newentries) * n);
+	newdeadentries = isc_mem_get(adb->mctx, sizeof(*newdeadentries) * n);
+	newentrylocks = isc_mem_get(adb->mctx, sizeof(*newentrylocks) * n);
+	newentry_sd = isc_mem_get(adb->mctx, sizeof(*newentry_sd) * n);
+	newentry_refcnt = isc_mem_get(adb->mctx, sizeof(*newentry_refcnt) * n);
+	if (newentries == NULL || newdeadentries == NULL ||
+	    newentrylocks == NULL || newentry_sd == NULL ||
+	    newentry_refcnt == NULL)
+		goto cleanup;
+
+	/*
+	 * Initialise the new resources.
+	 */
+	result = isc_mutexblock_init(newentrylocks, n);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+
+	for (i = 0; i < n; i++) {
+		ISC_LIST_INIT(newentries[i]);
+		ISC_LIST_INIT(newdeadentries[i]);
+		newentry_sd[i] = ISC_FALSE;
+		newentry_refcnt[i] = 0;
+		adb->irefcnt++;
+	}
+
+	/*
+	 * Move entries to new arrays.
+	 */
+	for (i = 0; i < adb->nentries; i++) {
+		e = ISC_LIST_HEAD(adb->entries[i]);
+		while (e != NULL) {
+			ISC_LIST_UNLINK(adb->entries[i], e, plink);
+			bucket = isc_sockaddr_hash(&e->sockaddr, ISC_TRUE) % n;
+			e->lock_bucket = bucket;
+			ISC_LIST_APPEND(newentries[bucket], e, plink);
+			INSIST(adb->entry_refcnt[i] > 0);
+			adb->entry_refcnt[i]--;
+			newentry_refcnt[bucket]++;
+			e = ISC_LIST_HEAD(adb->entries[i]);
+		}
+		e = ISC_LIST_HEAD(adb->deadentries[i]);
+		while (e != NULL) {
+			ISC_LIST_UNLINK(adb->deadentries[i], e, plink);
+			bucket = isc_sockaddr_hash(&e->sockaddr, ISC_TRUE) % n;
+			e->lock_bucket = bucket;
+			ISC_LIST_APPEND(newdeadentries[bucket], e, plink);
+			INSIST(adb->entry_refcnt[i] > 0);
+			adb->entry_refcnt[i]--;
+			newentry_refcnt[bucket]++;
+			e = ISC_LIST_HEAD(adb->deadentries[i]);
+		}
+		INSIST(adb->entry_refcnt[i] == 0);
+		adb->irefcnt--;
+	}
+
+	/*
+	 * Cleanup old resources.
+	 */
+	DESTROYMUTEXBLOCK(adb->entrylocks, adb->nentries);
+	isc_mem_put(adb->mctx, adb->entries,
+		    sizeof(*adb->entries) * adb->nentries);
+	isc_mem_put(adb->mctx, adb->deadentries,
+		    sizeof(*adb->deadentries) * adb->nentries);
+	isc_mem_put(adb->mctx, adb->entrylocks,
+		    sizeof(*adb->entrylocks) * adb->nentries);
+	isc_mem_put(adb->mctx, adb->entry_sd,
+		    sizeof(*adb->entry_sd) * adb->nentries);
+	isc_mem_put(adb->mctx, adb->entry_refcnt,
+		    sizeof(*adb->entry_refcnt) * adb->nentries);
+
+	/*
+	 * Install new resources.
+	 */
+	adb->entries = newentries;
+	adb->deadentries = newdeadentries;
+	adb->entrylocks = newentrylocks;
+	adb->entry_sd = newentry_sd;
+	adb->entry_refcnt = newentry_refcnt;
+	adb->nentries = n;
+
+	/*
+	 * Only on success do we set adb->growentries_sent to ISC_FALSE.
+	 * This will prevent us being continuously being called on error.
+	 */
+	adb->growentries_sent = ISC_FALSE;
+	goto done;
+
+ cleanup:
+	if (newentries != NULL)
+		isc_mem_put(adb->mctx, newentries,
+			    sizeof(*newentries) * n);
+	if (newdeadentries != NULL)
+		isc_mem_put(adb->mctx, newdeadentries,
+			    sizeof(*newdeadentries) * n);
+	if (newentrylocks != NULL)
+		isc_mem_put(adb->mctx, newentrylocks,
+			    sizeof(*newentrylocks) * n);
+	if (newentry_sd != NULL)
+		isc_mem_put(adb->mctx, newentry_sd,
+			    sizeof(*newentry_sd) * n);
+	if (newentry_refcnt != NULL)
+		isc_mem_put(adb->mctx, newentry_refcnt,
+			     sizeof(*newentry_refcnt) * n);
+ done:
+	isc_task_endexclusive(task);
+
+	LOCK(&adb->lock);
+	if (dec_adb_irefcnt(adb))
+		check_exit(adb);
+	UNLOCK(&adb->lock);
+	DP(ISC_LOG_INFO, "adb: grow_entries finished");
+}
+
+static void
+grow_names(isc_task_t *task, isc_event_t *ev) {
+	dns_adb_t *adb;
+	dns_adbname_t *name;
+	dns_adbnamelist_t *newdeadnames = NULL;
+	dns_adbnamelist_t *newnames = NULL;
+	isc_boolean_t *newname_sd = NULL;
+	isc_mutex_t *newnamelocks = NULL;
+	isc_result_t result;
+	unsigned int *newname_refcnt = NULL;
+	unsigned int i, n, bucket;
+
+	adb = ev->ev_arg;
+	INSIST(DNS_ADB_VALID(adb));
+
+	isc_event_free(&ev);
+
+	isc_task_beginexclusive(task);
+
+	i = 0;
+	while (nbuckets[i] != 0 && adb->nnames >= nbuckets[i])
+		i++;
+	if (nbuckets[i] != 0)
+		n = nbuckets[i];
+	else
+		goto done;
+
+	DP(ISC_LOG_INFO, "adb: grow_names to %u starting", n);
+
+	/*
+	 * Are we shutting down?
+	 */
+	for (i = 0; i < adb->nnames; i++)
+		if (adb->name_sd[i])
+			goto cleanup;
+
+	/*
+	 * Grab all the resources we need.
+	 */
+	newnames = isc_mem_get(adb->mctx, sizeof(*newnames) * n);
+	newdeadnames = isc_mem_get(adb->mctx, sizeof(*newdeadnames) * n);
+	newnamelocks = isc_mem_get(adb->mctx, sizeof(*newnamelocks) * n);
+	newname_sd = isc_mem_get(adb->mctx, sizeof(*newname_sd) * n);
+	newname_refcnt = isc_mem_get(adb->mctx, sizeof(*newname_refcnt) * n);
+	if (newnames == NULL || newdeadnames == NULL ||
+	    newnamelocks == NULL || newname_sd == NULL ||
+	    newname_refcnt == NULL)
+		goto cleanup;
+
+	/*
+	 * Initialise the new resources.
+	 */
+	result = isc_mutexblock_init(newnamelocks, n);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+
+	for (i = 0; i < n; i++) {
+		ISC_LIST_INIT(newnames[i]);
+		ISC_LIST_INIT(newdeadnames[i]);
+		newname_sd[i] = ISC_FALSE;
+		newname_refcnt[i] = 0;
+		adb->irefcnt++;
+	}
+
+	/*
+	 * Move names to new arrays.
+	 */
+	for (i = 0; i < adb->nnames; i++) {
+		name = ISC_LIST_HEAD(adb->names[i]);
+		while (name != NULL) {
+			ISC_LIST_UNLINK(adb->names[i], name, plink);
+			bucket = dns_name_fullhash(&name->name, ISC_TRUE) % n;
+			name->lock_bucket = bucket;
+			ISC_LIST_APPEND(newnames[bucket], name, plink);
+			INSIST(adb->name_refcnt[i] > 0);
+			adb->name_refcnt[i]--;
+			newname_refcnt[bucket]++;
+			name = ISC_LIST_HEAD(adb->names[i]);
+		}
+		name = ISC_LIST_HEAD(adb->deadnames[i]);
+		while (name != NULL) {
+			ISC_LIST_UNLINK(adb->deadnames[i], name, plink);
+			bucket = dns_name_fullhash(&name->name, ISC_TRUE) % n;
+			name->lock_bucket = bucket;
+			ISC_LIST_APPEND(newdeadnames[bucket], name, plink);
+			INSIST(adb->name_refcnt[i] > 0);
+			adb->name_refcnt[i]--;
+			newname_refcnt[bucket]++;
+			name = ISC_LIST_HEAD(adb->deadnames[i]);
+		}
+		INSIST(adb->name_refcnt[i] == 0);
+		adb->irefcnt--;
+	}
+
+	/*
+	 * Cleanup old resources.
+	 */
+	DESTROYMUTEXBLOCK(adb->namelocks, adb->nnames);
+	isc_mem_put(adb->mctx, adb->names,
+		    sizeof(*adb->names) * adb->nnames);
+	isc_mem_put(adb->mctx, adb->deadnames,
+		    sizeof(*adb->deadnames) * adb->nnames);
+	isc_mem_put(adb->mctx, adb->namelocks,
+		    sizeof(*adb->namelocks) * adb->nnames);
+	isc_mem_put(adb->mctx, adb->name_sd,
+		    sizeof(*adb->name_sd) * adb->nnames);
+	isc_mem_put(adb->mctx, adb->name_refcnt,
+		    sizeof(*adb->name_refcnt) * adb->nnames);
+
+	/*
+	 * Install new resources.
+	 */
+	adb->names = newnames;
+	adb->deadnames = newdeadnames;
+	adb->namelocks = newnamelocks;
+	adb->name_sd = newname_sd;
+	adb->name_refcnt = newname_refcnt;
+	adb->nnames = n;
+
+	/*
+	 * Only on success do we set adb->grownames_sent to ISC_FALSE.
+	 * This will prevent us being continuously being called on error.
+	 */
+	adb->grownames_sent = ISC_FALSE;
+	goto done;
+
+ cleanup:
+	if (newnames != NULL)
+		isc_mem_put(adb->mctx, newnames, sizeof(*newnames) * n);
+	if (newdeadnames != NULL)
+		isc_mem_put(adb->mctx, newdeadnames, sizeof(*newdeadnames) * n);
+	if (newnamelocks != NULL)
+		isc_mem_put(adb->mctx, newnamelocks, sizeof(*newnamelocks) * n);
+	if (newname_sd != NULL)
+		isc_mem_put(adb->mctx, newname_sd, sizeof(*newname_sd) * n);
+	if (newname_refcnt != NULL)
+		isc_mem_put(adb->mctx, newname_refcnt,
+			     sizeof(*newname_refcnt) * n);
+ done:
+	isc_task_endexclusive(task);
+
+	LOCK(&adb->lock);
+	if (dec_adb_irefcnt(adb))
+		check_exit(adb);
+	UNLOCK(&adb->lock);
+	DP(ISC_LOG_INFO, "adb: grow_names finished");
+}
+
+/*
  * Requires the adbname bucket be locked and that no entry buckets be locked.
  *
  * This code handles A and AAAA rdatasets only.
@@ -836,12 +1152,12 @@ violate_locking_hierarchy(isc_mutex_t *have, isc_mutex_t *want) {
  */
 static isc_boolean_t
 shutdown_names(dns_adb_t *adb) {
-	int bucket;
+	unsigned int bucket;
 	isc_boolean_t result = ISC_FALSE;
 	dns_adbname_t *name;
 	dns_adbname_t *next_name;
 
-	for (bucket = 0; bucket < NBUCKETS; bucket++) {
+	for (bucket = 0; bucket < adb->nnames; bucket++) {
 		LOCK(&adb->namelocks[bucket]);
 		adb->name_sd[bucket] = ISC_TRUE;
 
@@ -881,12 +1197,12 @@ shutdown_names(dns_adb_t *adb) {
  */
 static isc_boolean_t
 shutdown_entries(dns_adb_t *adb) {
-	int bucket;
+	unsigned int bucket;
 	isc_boolean_t result = ISC_FALSE;
 	dns_adbentry_t *entry;
 	dns_adbentry_t *next_entry;
 
-	for (bucket = 0; bucket < NBUCKETS; bucket++) {
+	for (bucket = 0; bucket < adb->nentries; bucket++) {
 		LOCK(&adb->entrylocks[bucket]);
 		adb->entry_sd[bucket] = ISC_TRUE;
 
@@ -1306,6 +1622,16 @@ new_adbname(dns_adb_t *adb, dns_name_t *dnsname) {
 	ISC_LIST_INIT(name->finds);
 	ISC_LINK_INIT(name, plink);
 
+	LOCK(&adb->namescntlock);
+	adb->namescnt++;
+	if (!adb->grownames_sent && adb->namescnt > (adb->nnames * 8)) {
+		isc_event_t *event = &adb->grownames;
+		inc_adb_irefcnt(adb);
+		isc_task_send(adb->task, &event);
+		adb->grownames_sent = ISC_TRUE;
+	}
+	UNLOCK(&adb->namescntlock);
+
 	return (name);
 }
 
@@ -1329,6 +1655,9 @@ free_adbname(dns_adb_t *adb, dns_adbname_t **name) {
 	dns_name_free(&n->name, adb->mctx);
 
 	isc_mempool_put(adb->nmp, n);
+	LOCK(&adb->namescntlock);
+	adb->namescnt--;
+	UNLOCK(&adb->namescntlock);
 }
 
 static inline dns_adbnamehook_t *
@@ -1417,6 +1746,16 @@ new_adbentry(dns_adb_t *adb) {
 	e->expires = 0;
 	ISC_LIST_INIT(e->lameinfo);
 	ISC_LINK_INIT(e, plink);
+	LOCK(&adb->entriescntlock);
+	adb->entriescnt++;
+	if (!adb->growentries_sent &&
+	    adb->entriescnt > (adb->nentries * 8)) {
+		isc_event_t *event = &adb->growentries;
+		inc_adb_irefcnt(adb);
+		isc_task_send(adb->task, &event);
+		adb->growentries_sent = ISC_TRUE;
+	}
+	UNLOCK(&adb->entriescntlock);
 
 	return (e);
 }
@@ -1444,6 +1783,9 @@ free_adbentry(dns_adb_t *adb, dns_adbentry_t **entry) {
 	}
 
 	isc_mempool_put(adb->emp, e);
+	LOCK(&adb->entriescntlock);
+	adb->entriescnt--;
+	UNLOCK(&adb->entriescntlock);
 }
 
 static inline dns_adbfind_t *
@@ -1597,7 +1939,7 @@ find_name_and_lock(dns_adb_t *adb, dns_name_t *name,
 	dns_adbname_t *adbname;
 	int bucket;
 
-	bucket = dns_name_fullhash(name, ISC_FALSE) % NBUCKETS;
+	bucket = dns_name_fullhash(name, ISC_FALSE) % adb->nnames;
 
 	if (*bucketp == DNS_ADB_INVALIDBUCKET) {
 		LOCK(&adb->namelocks[bucket]);
@@ -1639,7 +1981,7 @@ find_entry_and_lock(dns_adb_t *adb, isc_sockaddr_t *addr, int *bucketp,
 	dns_adbentry_t *entry, *entry_next;
 	int bucket;
 
-	bucket = isc_sockaddr_hash(addr, ISC_TRUE) % NBUCKETS;
+	bucket = isc_sockaddr_hash(addr, ISC_TRUE) % adb->nentries;
 
 	if (*bucketp == DNS_ADB_INVALIDBUCKET) {
 		LOCK(&adb->entrylocks[bucket]);
@@ -1992,13 +2334,36 @@ destroy(dns_adb_t *adb) {
 	isc_mempool_destroy(&adb->aimp);
 	isc_mempool_destroy(&adb->afmp);
 
-	DESTROYMUTEXBLOCK(adb->entrylocks, NBUCKETS);
-	DESTROYMUTEXBLOCK(adb->namelocks, NBUCKETS);
+	DESTROYMUTEXBLOCK(adb->entrylocks, adb->nentries);
+	isc_mem_put(adb->mctx, adb->entries,
+		    sizeof(*adb->entries) * adb->nentries);
+	isc_mem_put(adb->mctx, adb->deadentries,
+		    sizeof(*adb->deadentries) * adb->nentries);
+	isc_mem_put(adb->mctx, adb->entrylocks,
+		    sizeof(*adb->entrylocks) * adb->nentries);
+	isc_mem_put(adb->mctx, adb->entry_sd,
+		    sizeof(*adb->entry_sd) * adb->nentries);
+	isc_mem_put(adb->mctx, adb->entry_refcnt,
+		    sizeof(*adb->entry_refcnt) * adb->nentries);
+
+	DESTROYMUTEXBLOCK(adb->namelocks, adb->nnames);
+	isc_mem_put(adb->mctx, adb->names,
+		    sizeof(*adb->names) * adb->nnames);
+	isc_mem_put(adb->mctx, adb->deadnames,
+		    sizeof(*adb->deadnames) * adb->nnames);
+	isc_mem_put(adb->mctx, adb->namelocks,
+		    sizeof(*adb->namelocks) * adb->nnames);
+	isc_mem_put(adb->mctx, adb->name_sd,
+		    sizeof(*adb->name_sd) * adb->nnames);
+	isc_mem_put(adb->mctx, adb->name_refcnt,
+		    sizeof(*adb->name_refcnt) * adb->nnames);
 
 	DESTROYLOCK(&adb->reflock);
 	DESTROYLOCK(&adb->lock);
 	DESTROYLOCK(&adb->mplock);
 	DESTROYLOCK(&adb->overmemlock);
+	DESTROYLOCK(&adb->entriescntlock);
+	DESTROYLOCK(&adb->namescntlock);
 
 	isc_mem_putanddetach(&adb->mctx, adb, sizeof(dns_adb_t));
 }
@@ -2014,7 +2379,7 @@ dns_adb_create(isc_mem_t *mem, dns_view_t *view, isc_timermgr_t *timermgr,
 {
 	dns_adb_t *adb;
 	isc_result_t result;
-	int i;
+	unsigned int i;
 
 	REQUIRE(mem != NULL);
 	REQUIRE(view != NULL);
@@ -2054,6 +2419,30 @@ dns_adb_create(isc_mem_t *mem, dns_view_t *view, isc_timermgr_t *timermgr,
 	adb->shutting_down = ISC_FALSE;
 	ISC_LIST_INIT(adb->whenshutdown);
 
+	adb->nentries = nbuckets[0];
+	adb->entriescnt = 0;
+	adb->entries = NULL;
+	adb->deadentries = NULL;
+	adb->entry_sd = NULL;
+	adb->entry_refcnt = NULL;
+	adb->entrylocks = NULL;
+	ISC_EVENT_INIT(&adb->growentries, sizeof(adb->growentries), 0, NULL,
+		       DNS_EVENT_ADBGROWENTRIES, grow_entries, adb,
+		       adb, NULL, NULL);
+	adb->growentries_sent = ISC_FALSE;
+
+	adb->nnames = nbuckets[0];
+	adb->namescnt = 0;
+	adb->names = NULL;
+	adb->deadnames = NULL;
+	adb->name_sd = NULL;
+	adb->name_refcnt = NULL;
+	adb->namelocks = NULL;
+	ISC_EVENT_INIT(&adb->grownames, sizeof(adb->grownames), 0, NULL,
+		       DNS_EVENT_ADBGROWNAMES, grow_names, adb,
+		       adb, NULL, NULL);
+	adb->grownames_sent = ISC_FALSE;
+
 	isc_mem_attach(mem, &adb->mctx);
 
 	result = isc_mutex_init(&adb->lock);
@@ -2072,28 +2461,68 @@ dns_adb_create(isc_mem_t *mem, dns_view_t *view, isc_timermgr_t *timermgr,
 	if (result != ISC_R_SUCCESS)
 		goto fail0e;
 
+	result = isc_mutex_init(&adb->entriescntlock);
+	if (result != ISC_R_SUCCESS)
+		goto fail0f;
+
+	result = isc_mutex_init(&adb->namescntlock);
+	if (result != ISC_R_SUCCESS)
+		goto fail0g;
+
+#define ALLOCENTRY(adb, el) \
+	do { \
+		(adb)->el = isc_mem_get((adb)->mctx, \
+				     sizeof(*(adb)->el) * (adb)->nentries); \
+		if ((adb)->el == NULL) { \
+			result = ISC_R_NOMEMORY; \
+			goto fail1; \
+		}\
+	} while (0)
+	ALLOCENTRY(adb, entries);
+	ALLOCENTRY(adb, deadentries);
+	ALLOCENTRY(adb, entrylocks);
+	ALLOCENTRY(adb, entry_sd);
+	ALLOCENTRY(adb, entry_refcnt);
+#undef ALLOCENTRY
+
+#define ALLOCNAME(adb, el) \
+	do { \
+		(adb)->el = isc_mem_get((adb)->mctx, \
+				     sizeof(*(adb)->el) * (adb)->nnames); \
+		if ((adb)->el == NULL) { \
+			result = ISC_R_NOMEMORY; \
+			goto fail1; \
+		}\
+	} while (0)
+	ALLOCNAME(adb, names);
+	ALLOCNAME(adb, deadnames);
+	ALLOCNAME(adb, namelocks);
+	ALLOCNAME(adb, name_sd);
+	ALLOCNAME(adb, name_refcnt);
+#undef ALLOCNAME
+
 	/*
 	 * Initialize the bucket locks for names and elements.
 	 * May as well initialize the list heads, too.
 	 */
-	result = isc_mutexblock_init(adb->namelocks, NBUCKETS);
+	result = isc_mutexblock_init(adb->namelocks, adb->nnames);
 	if (result != ISC_R_SUCCESS)
 		goto fail1;
-	for (i = 0; i < NBUCKETS; i++) {
+	for (i = 0; i < adb->nnames; i++) {
 		ISC_LIST_INIT(adb->names[i]);
 		ISC_LIST_INIT(adb->deadnames[i]);
 		adb->name_sd[i] = ISC_FALSE;
 		adb->name_refcnt[i] = 0;
 		adb->irefcnt++;
 	}
-	for (i = 0; i < NBUCKETS; i++) {
+	for (i = 0; i < adb->nentries; i++) {
 		ISC_LIST_INIT(adb->entries[i]);
 		ISC_LIST_INIT(adb->deadentries[i]);
 		adb->entry_sd[i] = ISC_FALSE;
 		adb->entry_refcnt[i] = 0;
 		adb->irefcnt++;
 	}
-	result = isc_mutexblock_init(adb->entrylocks, NBUCKETS);
+	result = isc_mutexblock_init(adb->entrylocks, adb->nentries);
 	if (result != ISC_R_SUCCESS)
 		goto fail2;
 
@@ -2140,12 +2569,42 @@ dns_adb_create(isc_mem_t *mem, dns_view_t *view, isc_timermgr_t *timermgr,
 		isc_task_detach(&adb->task);
 
 	/* clean up entrylocks */
-	DESTROYMUTEXBLOCK(adb->entrylocks, NBUCKETS);
+	DESTROYMUTEXBLOCK(adb->entrylocks, adb->nentries);
 
  fail2: /* clean up namelocks */
-	DESTROYMUTEXBLOCK(adb->namelocks, NBUCKETS);
+	DESTROYMUTEXBLOCK(adb->namelocks, adb->nnames);
 
  fail1: /* clean up only allocated memory */
+	if (adb->entries != NULL)
+		isc_mem_put(adb->mctx, adb->entries,
+			    sizeof(*adb->entries) * adb->nentries);
+	if (adb->deadentries != NULL)
+		isc_mem_put(adb->mctx, adb->deadentries,
+			    sizeof(*adb->deadentries) * adb->nentries);
+	if (adb->entrylocks != NULL)
+		isc_mem_put(adb->mctx, adb->entrylocks,
+			    sizeof(*adb->entrylocks) * adb->nentries);
+	if (adb->entry_sd != NULL)
+		isc_mem_put(adb->mctx, adb->entry_sd,
+			    sizeof(*adb->entry_sd) * adb->nentries);
+	if (adb->entry_refcnt != NULL)
+		isc_mem_put(adb->mctx, adb->entry_refcnt,
+			    sizeof(*adb->entry_refcnt) * adb->nentries);
+	if (adb->names != NULL)
+		isc_mem_put(adb->mctx, adb->names,
+			    sizeof(*adb->names) * adb->nnames);
+	if (adb->deadnames != NULL)
+		isc_mem_put(adb->mctx, adb->deadnames,
+			    sizeof(*adb->deadnames) * adb->nnames);
+	if (adb->namelocks != NULL)
+		isc_mem_put(adb->mctx, adb->namelocks,
+			    sizeof(*adb->namelocks) * adb->nnames);
+	if (adb->name_sd != NULL)
+		isc_mem_put(adb->mctx, adb->name_sd,
+			    sizeof(*adb->name_sd) * adb->nnames);
+	if (adb->name_refcnt != NULL)
+		isc_mem_put(adb->mctx, adb->name_refcnt,
+			    sizeof(*adb->name_refcnt) * adb->nnames);
 	if (adb->nmp != NULL)
 		isc_mempool_destroy(&adb->nmp);
 	if (adb->nhmp != NULL)
@@ -2161,6 +2620,10 @@ dns_adb_create(isc_mem_t *mem, dns_view_t *view, isc_timermgr_t *timermgr,
 	if (adb->afmp != NULL)
 		isc_mempool_destroy(&adb->afmp);
 
+	DESTROYLOCK(&adb->namescntlock);
+ fail0g:
+	DESTROYLOCK(&adb->entriescntlock);
+ fail0f:
 	DESTROYLOCK(&adb->overmemlock);
  fail0e:
 	DESTROYLOCK(&adb->reflock);
@@ -2728,7 +3191,7 @@ dns_adb_cancelfind(dns_adbfind_t *find) {
 
 void
 dns_adb_dump(dns_adb_t *adb, FILE *f) {
-	int i;
+	unsigned int i;
 	isc_stdtime_t now;
 
 	REQUIRE(DNS_ADB_VALID(adb));
@@ -2744,9 +3207,9 @@ dns_adb_dump(dns_adb_t *adb, FILE *f) {
 	LOCK(&adb->lock);
 	isc_stdtime_get(&now);
 
-	for (i = 0; i < NBUCKETS; i++)
+	for (i = 0; i < adb->nnames; i++)
 		RUNTIME_CHECK(cleanup_names(adb, i, now) == ISC_FALSE);
-	for (i = 0; i < NBUCKETS; i++)
+	for (i = 0; i < adb->nentries; i++)
 		RUNTIME_CHECK(cleanup_entries(adb, i, now) == ISC_FALSE);
 
 	dump_adb(adb, f, ISC_FALSE, now);
@@ -2762,7 +3225,7 @@ dump_ttl(FILE *f, const char *legend, isc_stdtime_t value, isc_stdtime_t now) {
 
 static void
 dump_adb(dns_adb_t *adb, FILE *f, isc_boolean_t debug, isc_stdtime_t now) {
-	int i;
+	unsigned int i;
 	dns_adbname_t *name;
 	dns_adbentry_t *entry;
 
@@ -2772,15 +3235,15 @@ dump_adb(dns_adb_t *adb, FILE *f, isc_boolean_t debug, isc_stdtime_t now) {
 			adb, adb->erefcnt, adb->irefcnt,
 			isc_mempool_getallocated(adb->nhmp));
 
-	for (i = 0; i < NBUCKETS; i++)
+	for (i = 0; i < adb->nnames; i++)
 		LOCK(&adb->namelocks[i]);
-	for (i = 0; i < NBUCKETS; i++)
+	for (i = 0; i < adb->nentries; i++)
 		LOCK(&adb->entrylocks[i]);
 
 	/*
 	 * Dump the names
 	 */
-	for (i = 0; i < NBUCKETS; i++) {
+	for (i = 0; i < adb->nnames; i++) {
 		name = ISC_LIST_HEAD(adb->names[i]);
 		if (name == NULL)
 			continue;
@@ -2824,7 +3287,7 @@ dump_adb(dns_adb_t *adb, FILE *f, isc_boolean_t debug, isc_stdtime_t now) {
 
 	fprintf(f, ";\n; Unassociated entries\n;\n");
 
-	for (i = 0; i < NBUCKETS; i++) {
+	for (i = 0; i < adb->nentries; i++) {
 		entry = ISC_LIST_HEAD(adb->entries[i]);
 		while (entry != NULL) {
 			if (entry->refcnt == 0)
@@ -2836,9 +3299,9 @@ dump_adb(dns_adb_t *adb, FILE *f, isc_boolean_t debug, isc_stdtime_t now) {
 	/*
 	 * Unlock everything
 	 */
-	for (i = 0; i < NBUCKETS; i++)
+	for (i = 0; i < adb->nentries; i++)
 		UNLOCK(&adb->entrylocks[i]);
-	for (i = 0; i < NBUCKETS; i++)
+	for (i = 0; i < adb->nnames; i++)
 		UNLOCK(&adb->namelocks[i]);
 }
 
@@ -2999,10 +3462,20 @@ dbfind_name(dns_adbname_t *adbname, isc_stdtime_t now, dns_rdatatype_t rdtype)
 	else
 		adbname->fetch6_err = FIND_ERR_UNEXPECTED;
 
-	result = dns_view_find(adb->view, &adbname->name, rdtype, now,
-			       NAME_GLUEOK(adbname) ? DNS_DBFIND_GLUEOK : 0,
-			       ISC_TF(NAME_HINTOK(adbname)),
-			       NULL, NULL, fname, &rdataset, NULL);
+	/*
+	 * We need to specify whether to search static-stub zones (if
+	 * configured) depending on whether this is a "start at zone" lookup,
+	 * i.e., whether it's a "bailiwick" glue.  If it's bailiwick (in which
+	 * case NAME_STARTATZONE is set) we need to stop the search at any
+	 * matching static-stub zone without looking into the cache to honor
+	 * the configuration on which server we should send queries to.
+	 */
+	result = dns_view_find2(adb->view, &adbname->name, rdtype, now,
+				NAME_GLUEOK(adbname) ? DNS_DBFIND_GLUEOK : 0,
+				ISC_TF(NAME_HINTOK(adbname)),
+				(adbname->flags & NAME_STARTATZONE) != 0 ?
+				ISC_TRUE : ISC_FALSE,
+				NULL, NULL, fname, &rdataset, NULL);
 
 	/* XXXVIX this switch statement is too sparse to gen a jump table. */
 	switch (result) {
@@ -3557,9 +4030,9 @@ dns_adb_flush(dns_adb_t *adb) {
 	/*
 	 * Call our cleanup routines.
 	 */
-	for (i = 0; i < NBUCKETS; i++)
+	for (i = 0; i < adb->nnames; i++)
 		RUNTIME_CHECK(cleanup_names(adb, i, INT_MAX) == ISC_FALSE);
-	for (i = 0; i < NBUCKETS; i++)
+	for (i = 0; i < adb->nentries; i++)
 		RUNTIME_CHECK(cleanup_entries(adb, i, INT_MAX) == ISC_FALSE);
 
 #ifdef DUMP_ADB_AFTER_CLEANING
@@ -3578,7 +4051,7 @@ dns_adb_flushname(dns_adb_t *adb, dns_name_t *name) {
 	INSIST(DNS_ADB_VALID(adb));
 
 	LOCK(&adb->lock);
-	bucket = dns_name_hash(name, ISC_FALSE) % NBUCKETS;
+	bucket = dns_name_hash(name, ISC_FALSE) % adb->nnames;
 	LOCK(&adb->namelocks[bucket]);
 	adbname = ISC_LIST_HEAD(adb->names[bucket]);
 	while (adbname != NULL) {
diff --git a/lib/dns/api b/lib/dns/api
index 87c3c90..9bac060 100644
--- a/lib/dns/api
+++ b/lib/dns/api
@@ -1,3 +1,3 @@
-LIBINTERFACE = 59
-LIBREVISION = 5
+LIBINTERFACE = 82
+LIBREVISION = 3
 LIBAGE = 1
diff --git a/lib/dns/byaddr.c b/lib/dns/byaddr.c
index 96b9f38..2fd61a2 100644
--- a/lib/dns/byaddr.c
+++ b/lib/dns/byaddr.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: byaddr.c,v 1.39 2007-06-19 23:47:16 tbox Exp $ */
+/* $Id: byaddr.c,v 1.41 2009-09-02 23:48:02 tbox Exp $ */
 
 /*! \file */
 
@@ -43,25 +43,6 @@
  * XXXRTH  We could use a static event...
  */
 
-struct dns_byaddr {
-	/* Unlocked. */
-	unsigned int		magic;
-	isc_mem_t *		mctx;
-	isc_mutex_t		lock;
-	dns_fixedname_t		name;
-	/* Locked by lock. */
-	unsigned int		options;
-	dns_lookup_t *		lookup;
-	isc_task_t *		task;
-	dns_byaddrevent_t *	event;
-	isc_boolean_t		canceled;
-};
-
-#define BYADDR_MAGIC			ISC_MAGIC('B', 'y', 'A', 'd')
-#define VALID_BYADDR(b)			ISC_MAGIC_VALID(b, BYADDR_MAGIC)
-
-#define MAX_RESTARTS 16
-
 static char hex_digits[] = {
 	'0', '1', '2', '3', '4', '5', '6', '7',
 	'8', '9', 'a', 'b', 'c', 'd', 'e', 'f'
@@ -125,10 +106,29 @@ dns_byaddr_createptrname2(isc_netaddr_t *address, unsigned int options,
 	len = (unsigned int)strlen(textname);
 	isc_buffer_init(&buffer, textname, len);
 	isc_buffer_add(&buffer, len);
-	return (dns_name_fromtext(name, &buffer, dns_rootname,
-				  ISC_FALSE, NULL));
+	return (dns_name_fromtext(name, &buffer, dns_rootname, 0, NULL));
 }
 
+#ifdef BIND9
+struct dns_byaddr {
+	/* Unlocked. */
+	unsigned int		magic;
+	isc_mem_t *		mctx;
+	isc_mutex_t		lock;
+	dns_fixedname_t		name;
+	/* Locked by lock. */
+	unsigned int		options;
+	dns_lookup_t *		lookup;
+	isc_task_t *		task;
+	dns_byaddrevent_t *	event;
+	isc_boolean_t		canceled;
+};
+
+#define BYADDR_MAGIC			ISC_MAGIC('B', 'y', 'A', 'd')
+#define VALID_BYADDR(b)			ISC_MAGIC_VALID(b, BYADDR_MAGIC)
+
+#define MAX_RESTARTS 16
+
 static inline isc_result_t
 copy_ptr_targets(dns_byaddr_t *byaddr, dns_rdataset_t *rdataset) {
 	isc_result_t result;
@@ -314,3 +314,4 @@ dns_byaddr_destroy(dns_byaddr_t **byaddrp) {
 
 	*byaddrp = NULL;
 }
+#endif /* BIND9 */
diff --git a/lib/dns/cache.c b/lib/dns/cache.c
index 28ead66..bf93da2 100644
--- a/lib/dns/cache.c
+++ b/lib/dns/cache.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: cache.c,v 1.80.50.3 2009-05-06 23:34:30 jinmei Exp $ */
+/* $Id: cache.c,v 1.87 2009-11-12 23:43:02 each Exp $ */
 
 /*! \file */
 
@@ -122,6 +122,7 @@ struct dns_cache {
 	isc_mutex_t		lock;
 	isc_mutex_t		filelock;
 	isc_mem_t		*mctx;
+	char			*name;
 
 	/* Locked by 'lock'. */
 	int			references;
@@ -132,6 +133,7 @@ struct dns_cache {
 	char			*db_type;
 	int			db_argc;
 	char			**db_argv;
+	isc_uint32_t		size;
 
 	/* Locked by 'filelock'. */
 	char			*filename;
@@ -171,6 +173,16 @@ dns_cache_create(isc_mem_t *mctx, isc_taskmgr_t *taskmgr,
 		 const char *db_type, unsigned int db_argc, char **db_argv,
 		 dns_cache_t **cachep)
 {
+	return (dns_cache_create2(mctx, taskmgr, timermgr, rdclass, "",
+				  db_type, db_argc, db_argv, cachep));
+}
+
+isc_result_t
+dns_cache_create2(isc_mem_t *mctx, isc_taskmgr_t *taskmgr,
+		  isc_timermgr_t *timermgr, dns_rdataclass_t rdclass,
+		  const char *cachename, const char *db_type,
+		  unsigned int db_argc, char **db_argv, dns_cache_t **cachep)
+{
 	isc_result_t result;
 	dns_cache_t *cache;
 	int i;
@@ -179,6 +191,7 @@ dns_cache_create(isc_mem_t *mctx, isc_taskmgr_t *taskmgr,
 	REQUIRE(cachep != NULL);
 	REQUIRE(*cachep == NULL);
 	REQUIRE(mctx != NULL);
+	REQUIRE(cachename != NULL);
 
 	cache = isc_mem_get(mctx, sizeof(*cache));
 	if (cache == NULL)
@@ -187,6 +200,15 @@ dns_cache_create(isc_mem_t *mctx, isc_taskmgr_t *taskmgr,
 	cache->mctx = NULL;
 	isc_mem_attach(mctx, &cache->mctx);
 
+	cache->name = NULL;
+	if (cachename != NULL) {
+		cache->name = isc_mem_strdup(mctx, cachename);
+		if (cache->name == NULL) {
+			result = ISC_R_NOMEMORY;
+			goto cleanup_mem;
+		}
+	}
+
 	result = isc_mutex_init(&cache->lock);
 	if (result != ISC_R_SUCCESS)
 		goto cleanup_mem;
@@ -275,6 +297,8 @@ dns_cache_create(isc_mem_t *mctx, isc_taskmgr_t *taskmgr,
  cleanup_lock:
 	DESTROYLOCK(&cache->lock);
  cleanup_mem:
+	if (cache->name != NULL)
+		isc_mem_free(mctx, cache->name);
 	isc_mem_put(mctx, cache, sizeof(*cache));
 	isc_mem_detach(&mctx);
 	return (result);
@@ -323,6 +347,9 @@ cache_free(dns_cache_t *cache) {
 	if (cache->db_type != NULL)
 		isc_mem_free(cache->mctx, cache->db_type);
 
+	if (cache->name != NULL)
+		isc_mem_free(cache->mctx, cache->name);
+
 	DESTROYLOCK(&cache->lock);
 	DESTROYLOCK(&cache->filelock);
 	cache->magic = 0;
@@ -423,6 +450,7 @@ dns_cache_setfilename(dns_cache_t *cache, const char *filename) {
 	return (ISC_R_SUCCESS);
 }
 
+#ifdef BIND9
 isc_result_t
 dns_cache_load(dns_cache_t *cache) {
 	isc_result_t result;
@@ -438,22 +466,29 @@ dns_cache_load(dns_cache_t *cache) {
 
 	return (result);
 }
+#endif /* BIND9 */
 
 isc_result_t
 dns_cache_dump(dns_cache_t *cache) {
+#ifdef BIND9
 	isc_result_t result;
+#endif
 
 	REQUIRE(VALID_CACHE(cache));
 
 	if (cache->filename == NULL)
 		return (ISC_R_SUCCESS);
 
+#ifdef BIND9
 	LOCK(&cache->filelock);
 	result = dns_master_dump(cache->mctx, cache->db, NULL,
 				 &dns_master_style_cache, cache->filename);
 	UNLOCK(&cache->filelock);
-
 	return (result);
+#else
+	return (ISC_R_NOTIMPLEMENTED);
+#endif
+
 }
 
 void
@@ -493,6 +528,26 @@ dns_cache_setcleaninginterval(dns_cache_t *cache, unsigned int t) {
 	UNLOCK(&cache->lock);
 }
 
+unsigned int
+dns_cache_getcleaninginterval(dns_cache_t *cache) {
+	unsigned int t;
+
+	REQUIRE(VALID_CACHE(cache));
+
+	LOCK(&cache->lock);
+	t = cache->cleaner.cleaning_interval;
+	UNLOCK(&cache->lock);
+
+	return (t);
+}
+
+const char *
+dns_cache_getname(dns_cache_t *cache) {
+	REQUIRE(VALID_CACHE(cache));
+
+	return (cache->name);
+}
+
 /*
  * Initialize the cache cleaner object at *cleaner.
  * Space for the object must be allocated by the caller.
@@ -519,6 +574,7 @@ cache_cleaner_init(dns_cache_t *cache, isc_taskmgr_t *taskmgr,
 	cleaner->cleaning_timer = NULL;
 	cleaner->resched_event = NULL;
 	cleaner->overmem_event = NULL;
+	cleaner->cleaning_interval = 0; /* Initially turned off. */
 
 	result = dns_db_createiterator(cleaner->cache->db, ISC_FALSE,
 				       &cleaner->iterator);
@@ -547,7 +603,6 @@ cache_cleaner_init(dns_cache_t *cache, isc_taskmgr_t *taskmgr,
 			goto cleanup;
 		}
 
-		cleaner->cleaning_interval = 0; /* Initially turned off. */
 		result = isc_timer_create(timermgr, isc_timertype_inactive,
 					   NULL, NULL, cleaner->task,
 					   cleaning_timer_action, cleaner,
@@ -949,6 +1004,10 @@ dns_cache_setcachesize(dns_cache_t *cache, isc_uint32_t size) {
 	if (size != 0 && size < DNS_CACHE_MINSIZE)
 		size = DNS_CACHE_MINSIZE;
 
+	LOCK(&cache->lock);
+	cache->size = size;
+	UNLOCK(&cache->lock);
+
 	hiwater = size - (size >> 3);	/* Approximately 7/8ths. */
 	lowater = size - (size >> 2);	/* Approximately 3/4ths. */
 
@@ -972,6 +1031,19 @@ dns_cache_setcachesize(dns_cache_t *cache, isc_uint32_t size) {
 		isc_mem_setwater(cache->mctx, water, cache, hiwater, lowater);
 }
 
+isc_uint32_t
+dns_cache_getcachesize(dns_cache_t *cache) {
+	isc_uint32_t size;
+
+	REQUIRE(VALID_CACHE(cache));
+
+	LOCK(&cache->lock);
+	size = cache->size;
+	UNLOCK(&cache->lock);
+
+	return (size);
+}
+
 /*
  * The cleaner task is shutting down; do the necessary cleanup.
  */
diff --git a/lib/dns/client.c b/lib/dns/client.c
new file mode 100644
index 0000000..e55ea1f
--- /dev/null
+++ b/lib/dns/client.c
@@ -0,0 +1,3019 @@
+/*
+ * Copyright (C) 2009, 2010  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: client.c,v 1.12 2010-12-03 12:03:22 marka Exp $ */
+
+#include 
+
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include 
+
+#define DNS_CLIENT_MAGIC		ISC_MAGIC('D', 'N', 'S', 'c')
+#define DNS_CLIENT_VALID(c)		ISC_MAGIC_VALID(c, DNS_CLIENT_MAGIC)
+
+#define RCTX_MAGIC			ISC_MAGIC('R', 'c', 't', 'x')
+#define RCTX_VALID(c)			ISC_MAGIC_VALID(c, RCTX_MAGIC)
+
+#define REQCTX_MAGIC			ISC_MAGIC('R', 'q', 'c', 'x')
+#define REQCTX_VALID(c)			ISC_MAGIC_VALID(c, REQCTX_MAGIC)
+
+#define UCTX_MAGIC			ISC_MAGIC('U', 'c', 't', 'x')
+#define UCTX_VALID(c)			ISC_MAGIC_VALID(c, UCTX_MAGIC)
+
+#define MAX_RESTARTS 16
+
+/*%
+ * DNS client object
+ */
+struct dns_client {
+	/* Unlocked */
+	unsigned int			magic;
+	unsigned int			attributes;
+	isc_mutex_t			lock;
+	isc_mem_t			*mctx;
+	isc_appctx_t			*actx;
+	isc_taskmgr_t			*taskmgr;
+	isc_task_t			*task;
+	isc_socketmgr_t			*socketmgr;
+	isc_timermgr_t			*timermgr;
+	dns_dispatchmgr_t		*dispatchmgr;
+	dns_dispatch_t			*dispatchv4;
+	dns_dispatch_t			*dispatchv6;
+
+	unsigned int			update_timeout;
+	unsigned int			update_udptimeout;
+	unsigned int			update_udpretries;
+	unsigned int			find_timeout;
+	unsigned int			find_udpretries;
+
+	/* Locked */
+	unsigned int			references;
+	dns_viewlist_t			viewlist;
+	ISC_LIST(struct resctx)		resctxs;
+	ISC_LIST(struct reqctx)		reqctxs;
+	ISC_LIST(struct updatectx)	updatectxs;
+};
+
+/*%
+ * Timeout/retry constants for dynamic update borrowed from nsupdate
+ */
+#define DEF_UPDATE_TIMEOUT	300
+#define MIN_UPDATE_TIMEOUT	30
+#define DEF_UPDATE_UDPTIMEOUT	3
+#define DEF_UPDATE_UDPRETRIES	3
+
+#define DEF_FIND_TIMEOUT	5
+#define DEF_FIND_UDPRETRIES	3
+
+#define DNS_CLIENTATTR_OWNCTX			0x01
+
+#define DNS_CLIENTVIEW_NAME			"dnsclient"
+
+/*%
+ * Internal state for a single name resolution procedure
+ */
+typedef struct resctx {
+	/* Unlocked */
+	unsigned int		magic;
+	isc_mutex_t		lock;
+	dns_client_t		*client;
+	isc_boolean_t		want_dnssec;
+
+	/* Locked */
+	ISC_LINK(struct resctx)	link;
+	isc_task_t		*task;
+	dns_view_t		*view;
+	unsigned int		restarts;
+	dns_fixedname_t		name;
+	dns_rdatatype_t		type;
+	dns_fetch_t		*fetch;
+	dns_namelist_t		namelist;
+	isc_result_t		result;
+	dns_clientresevent_t	*event;
+	isc_boolean_t		canceled;
+	dns_rdataset_t		*rdataset;
+	dns_rdataset_t		*sigrdataset;
+} resctx_t;
+
+/*%
+ * Argument of an internal event for synchronous name resolution.
+ */
+typedef struct resarg {
+	/* Unlocked */
+	isc_appctx_t		*actx;
+	dns_client_t		*client;
+	isc_mutex_t		lock;
+
+	/* Locked */
+	isc_result_t		result;
+	isc_result_t		vresult;
+	dns_namelist_t		*namelist;
+	dns_clientrestrans_t	*trans;
+	isc_boolean_t		canceled;
+} resarg_t;
+
+/*%
+ * Internal state for a single DNS request
+ */
+typedef struct reqctx {
+	/* Unlocked */
+	unsigned int		magic;
+	isc_mutex_t		lock;
+	dns_client_t		*client;
+	unsigned int		parseoptions;
+
+	/* Locked */
+	ISC_LINK(struct reqctx)	link;
+	isc_boolean_t		canceled;
+	dns_tsigkey_t		*tsigkey;
+	dns_request_t		*request;
+	dns_clientreqevent_t	*event;
+} reqctx_t;
+
+/*%
+ * Argument of an internal event for synchronous DNS request.
+ */
+typedef struct reqarg {
+	/* Unlocked */
+	isc_appctx_t		*actx;
+	dns_client_t		*client;
+	isc_mutex_t		lock;
+
+	/* Locked */
+	isc_result_t		result;
+	dns_clientreqtrans_t	*trans;
+	isc_boolean_t		canceled;
+} reqarg_t;
+
+/*%
+ * Argument of an internal event for synchronous name resolution.
+ */
+typedef struct updatearg {
+	/* Unlocked */
+	isc_appctx_t		*actx;
+	dns_client_t		*client;
+	isc_mutex_t		lock;
+
+	/* Locked */
+	isc_result_t		result;
+	dns_clientupdatetrans_t	*trans;
+	isc_boolean_t		canceled;
+} updatearg_t;
+
+/*%
+ * Internal state for a single dynamic update procedure
+ */
+typedef struct updatectx {
+	/* Unlocked */
+	unsigned int			magic;
+	isc_mutex_t			lock;
+	dns_client_t			*client;
+
+	/* Locked */
+	dns_request_t			*updatereq;
+	dns_request_t			*soareq;
+	dns_clientrestrans_t		*restrans;
+	dns_clientrestrans_t		*restrans2;
+	isc_boolean_t			canceled;
+
+	/* Task Locked */
+	ISC_LINK(struct updatectx) 	link;
+	dns_clientupdatestate_t		state;
+	dns_rdataclass_t		rdclass;
+	dns_view_t			*view;
+	dns_message_t			*updatemsg;
+	dns_message_t			*soaquery;
+	dns_clientupdateevent_t		*event;
+	dns_tsigkey_t			*tsigkey;
+	dst_key_t			*sig0key;
+	dns_name_t			*firstname;
+	dns_name_t			soaqname;
+	dns_fixedname_t			zonefname;
+	dns_name_t			*zonename;
+	isc_sockaddrlist_t		servers;
+	unsigned int			nservers;
+	isc_sockaddr_t			*currentserver;
+	struct updatectx		*bp4;
+	struct updatectx		*bp6;
+} updatectx_t;
+
+static isc_result_t request_soa(updatectx_t *uctx);
+static void client_resfind(resctx_t *rctx, dns_fetchevent_t *event);
+static isc_result_t send_update(updatectx_t *uctx);
+
+static isc_result_t
+getudpdispatch(int family, dns_dispatchmgr_t *dispatchmgr,
+	       isc_socketmgr_t *socketmgr, isc_taskmgr_t *taskmgr,
+	       isc_boolean_t is_shared, dns_dispatch_t **dispp)
+{
+	unsigned int attrs, attrmask;
+	isc_sockaddr_t sa;
+	dns_dispatch_t *disp;
+	unsigned buffersize, maxbuffers, maxrequests, buckets, increment;
+	isc_result_t result;
+
+	attrs = 0;
+	attrs |= DNS_DISPATCHATTR_UDP;
+	switch (family) {
+	case AF_INET:
+		attrs |= DNS_DISPATCHATTR_IPV4;
+		break;
+	case AF_INET6:
+		attrs |= DNS_DISPATCHATTR_IPV6;
+		break;
+	default:
+		INSIST(0);
+	}
+	attrmask = 0;
+	attrmask |= DNS_DISPATCHATTR_UDP;
+	attrmask |= DNS_DISPATCHATTR_TCP;
+	attrmask |= DNS_DISPATCHATTR_IPV4;
+	attrmask |= DNS_DISPATCHATTR_IPV6;
+
+	isc_sockaddr_anyofpf(&sa, family);
+
+	buffersize = 4096;
+	maxbuffers = is_shared ? 1000 : 8;
+	maxrequests = 32768;
+	buckets = is_shared ? 16411 : 3;
+	increment = is_shared ? 16433 : 5;
+
+	disp = NULL;
+	result = dns_dispatch_getudp(dispatchmgr, socketmgr,
+				     taskmgr, &sa,
+				     buffersize, maxbuffers, maxrequests,
+				     buckets, increment,
+				     attrs, attrmask, &disp);
+	if (result == ISC_R_SUCCESS)
+		*dispp = disp;
+
+	return (result);
+}
+
+static isc_result_t
+dns_client_createview(isc_mem_t *mctx, dns_rdataclass_t rdclass,
+		      unsigned int options, isc_taskmgr_t *taskmgr,
+		      unsigned int ntasks, isc_socketmgr_t *socketmgr,
+		      isc_timermgr_t *timermgr, dns_dispatchmgr_t *dispatchmgr,
+		      dns_dispatch_t *dispatchv4, dns_dispatch_t *dispatchv6,
+		      dns_view_t **viewp)
+{
+	isc_result_t result;
+	dns_view_t *view = NULL;
+	const char *dbtype;
+
+	result = dns_view_create(mctx, rdclass, DNS_CLIENTVIEW_NAME, &view);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+
+	/* Initialize view security roots */
+	result = dns_view_initsecroots(view, mctx);
+	if (result != ISC_R_SUCCESS) {
+		dns_view_detach(&view);
+		return (result);
+	}
+
+	result = dns_view_createresolver(view, taskmgr, ntasks, socketmgr,
+					 timermgr, 0, dispatchmgr,
+					 dispatchv4, dispatchv6);
+	if (result != ISC_R_SUCCESS) {
+		dns_view_detach(&view);
+		return (result);
+	}
+
+	/*
+	 * Set cache DB.
+	 * XXX: it may be better if specific DB implementations can be
+	 * specified via some configuration knob.
+	 */
+	if ((options & DNS_CLIENTCREATEOPT_USECACHE) != 0)
+		dbtype = "rbt";
+	else
+		dbtype = "ecdb";
+	result = dns_db_create(mctx, dbtype, dns_rootname, dns_dbtype_cache,
+			       rdclass, 0, NULL, &view->cachedb);
+	if (result != ISC_R_SUCCESS) {
+		dns_view_detach(&view);
+		return (result);
+	}
+
+	*viewp = view;
+	return (ISC_R_SUCCESS);
+}
+
+isc_result_t
+dns_client_create(dns_client_t **clientp, unsigned int options) {
+	isc_result_t result;
+	isc_mem_t *mctx = NULL;
+	isc_appctx_t *actx = NULL;
+	isc_taskmgr_t *taskmgr = NULL;
+	isc_socketmgr_t *socketmgr = NULL;
+	isc_timermgr_t *timermgr = NULL;
+
+	result = isc_mem_create(0, 0, &mctx);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+	result = isc_appctx_create(mctx, &actx);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+	result = isc_app_ctxstart(actx);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+	result = isc_taskmgr_createinctx(mctx, actx, 1, 0, &taskmgr);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+	result = isc_socketmgr_createinctx(mctx, actx, &socketmgr);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+	result = isc_timermgr_createinctx(mctx, actx, &timermgr);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+
+	result = dns_client_createx(mctx, actx, taskmgr, socketmgr, timermgr,
+				    options, clientp);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+
+	(*clientp)->attributes |= DNS_CLIENTATTR_OWNCTX;
+
+	/* client has its own reference to mctx, so we can detach it here */
+	isc_mem_detach(&mctx);
+
+	return (ISC_R_SUCCESS);
+
+ cleanup:
+	if (taskmgr != NULL)
+		isc_taskmgr_destroy(&taskmgr);
+	if (timermgr != NULL)
+		isc_timermgr_destroy(&timermgr);
+	if (socketmgr != NULL)
+		isc_socketmgr_destroy(&socketmgr);
+	if (actx != NULL)
+		isc_appctx_destroy(&actx);
+	isc_mem_detach(&mctx);
+
+	return (result);
+}
+
+isc_result_t
+dns_client_createx(isc_mem_t *mctx, isc_appctx_t *actx, isc_taskmgr_t *taskmgr,
+		   isc_socketmgr_t *socketmgr, isc_timermgr_t *timermgr,
+		   unsigned int options, dns_client_t **clientp)
+{
+	dns_client_t *client;
+	isc_result_t result;
+	dns_dispatchmgr_t *dispatchmgr = NULL;
+	dns_dispatch_t *dispatchv4 = NULL;
+	dns_dispatch_t *dispatchv6 = NULL;
+	dns_view_t *view = NULL;
+
+	REQUIRE(mctx != NULL);
+	REQUIRE(taskmgr != NULL);
+	REQUIRE(timermgr != NULL);
+	REQUIRE(socketmgr != NULL);
+	REQUIRE(clientp != NULL && *clientp == NULL);
+
+	client = isc_mem_get(mctx, sizeof(*client));
+	if (client == NULL)
+		return (ISC_R_NOMEMORY);
+
+	result = isc_mutex_init(&client->lock);
+	if (result != ISC_R_SUCCESS) {
+		isc_mem_put(mctx, client, sizeof(*client));
+		return (result);
+	}
+
+	client->actx = actx;
+	client->taskmgr = taskmgr;
+	client->socketmgr = socketmgr;
+	client->timermgr = timermgr;
+
+	client->task = NULL;
+	result = isc_task_create(client->taskmgr, 0, &client->task);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+
+	result = dns_dispatchmgr_create(mctx, NULL, &dispatchmgr);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+	client->dispatchmgr = dispatchmgr;
+
+	/* TODO: whether to use dispatch v4 or v6 should be configurable */
+	client->dispatchv4 = NULL;
+	client->dispatchv6 = NULL;
+	result = getudpdispatch(AF_INET, dispatchmgr, socketmgr,
+				taskmgr, ISC_TRUE, &dispatchv4);
+	if (result == ISC_R_SUCCESS)
+		client->dispatchv4 = dispatchv4;
+	result = getudpdispatch(AF_INET6, dispatchmgr, socketmgr,
+				taskmgr, ISC_TRUE, &dispatchv6);
+	if (result == ISC_R_SUCCESS)
+		client->dispatchv6 = dispatchv6;
+
+	/* We need at least one of the dispatchers */
+	if (dispatchv4 == NULL && dispatchv6 == NULL) {
+		INSIST(result != ISC_R_SUCCESS);
+		goto cleanup;
+	}
+
+	/* Create the default view for class IN */
+	result = dns_client_createview(mctx, dns_rdataclass_in, options,
+				       taskmgr, 31, socketmgr, timermgr,
+				       dispatchmgr, dispatchv4, dispatchv6,
+				       &view);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+	ISC_LIST_INIT(client->viewlist);
+	ISC_LIST_APPEND(client->viewlist, view, link);
+
+	dns_view_freeze(view); /* too early? */
+
+	ISC_LIST_INIT(client->resctxs);
+	ISC_LIST_INIT(client->reqctxs);
+	ISC_LIST_INIT(client->updatectxs);
+
+	client->mctx = NULL;
+	isc_mem_attach(mctx, &client->mctx);
+
+	client->update_timeout = DEF_UPDATE_TIMEOUT;
+	client->update_udptimeout = DEF_UPDATE_UDPTIMEOUT;
+	client->update_udpretries = DEF_UPDATE_UDPRETRIES;
+	client->find_timeout = DEF_FIND_TIMEOUT;
+	client->find_udpretries = DEF_FIND_UDPRETRIES;
+
+	client->references = 1;
+	client->magic = DNS_CLIENT_MAGIC;
+
+	*clientp = client;
+
+	return (ISC_R_SUCCESS);
+
+ cleanup:
+	if (dispatchv4 != NULL)
+		dns_dispatch_detach(&dispatchv4);
+	if (dispatchv6 != NULL)
+		dns_dispatch_detach(&dispatchv6);
+	if (dispatchmgr != NULL)
+		dns_dispatchmgr_destroy(&dispatchmgr);
+	if (client->task != NULL)
+		isc_task_detach(&client->task);
+	isc_mem_put(mctx, client, sizeof(*client));
+
+	return (result);
+}
+
+static void
+destroyclient(dns_client_t **clientp) {
+	dns_client_t *client = *clientp;
+	dns_view_t *view;
+
+	while ((view = ISC_LIST_HEAD(client->viewlist)) != NULL) {
+		ISC_LIST_UNLINK(client->viewlist, view, link);
+		dns_view_detach(&view);
+	}
+
+	if (client->dispatchv4 != NULL)
+		dns_dispatch_detach(&client->dispatchv4);
+	if (client->dispatchv6 != NULL)
+		dns_dispatch_detach(&client->dispatchv6);
+
+	dns_dispatchmgr_destroy(&client->dispatchmgr);
+
+	isc_task_detach(&client->task);
+
+	/*
+	 * If the client has created its own running environments,
+	 * destroy them.
+	 */
+	if ((client->attributes & DNS_CLIENTATTR_OWNCTX) != 0) {
+		isc_taskmgr_destroy(&client->taskmgr);
+		isc_timermgr_destroy(&client->timermgr);
+		isc_socketmgr_destroy(&client->socketmgr);
+
+		isc_app_ctxfinish(client->actx);
+		isc_appctx_destroy(&client->actx);
+	}
+
+	DESTROYLOCK(&client->lock);
+	client->magic = 0;
+
+	isc_mem_putanddetach(&client->mctx, client, sizeof(*client));
+
+	*clientp = NULL;
+}
+
+void
+dns_client_destroy(dns_client_t **clientp) {
+	dns_client_t *client;
+	isc_boolean_t destroyok = ISC_FALSE;
+
+	REQUIRE(clientp != NULL);
+	client = *clientp;
+	REQUIRE(DNS_CLIENT_VALID(client));
+
+	LOCK(&client->lock);
+	client->references--;
+	if (client->references == 0 && ISC_LIST_EMPTY(client->resctxs) &&
+	    ISC_LIST_EMPTY(client->reqctxs) &&
+	    ISC_LIST_EMPTY(client->updatectxs)) {
+		destroyok = ISC_TRUE;
+	}
+	UNLOCK(&client->lock);
+
+	if (destroyok)
+		destroyclient(&client);
+
+	*clientp = NULL;
+}
+
+isc_result_t
+dns_client_setservers(dns_client_t *client, dns_rdataclass_t rdclass,
+		      dns_name_t *namespace, isc_sockaddrlist_t *addrs)
+{
+	isc_result_t result;
+	dns_view_t *view = NULL;
+
+	REQUIRE(DNS_CLIENT_VALID(client));
+	REQUIRE(addrs != NULL);
+
+	if (namespace == NULL)
+		namespace = dns_rootname;
+
+	LOCK(&client->lock);
+	result = dns_viewlist_find(&client->viewlist, DNS_CLIENTVIEW_NAME,
+				   rdclass, &view);
+	if (result != ISC_R_SUCCESS) {
+		UNLOCK(&client->lock);
+		return (result);
+	}
+	UNLOCK(&client->lock);
+
+	result = dns_fwdtable_add(view->fwdtable, namespace, addrs,
+				  dns_fwdpolicy_only);
+
+	dns_view_detach(&view);
+
+	return (result);
+}
+
+isc_result_t
+dns_client_clearservers(dns_client_t *client, dns_rdataclass_t rdclass,
+			dns_name_t *namespace)
+{
+	isc_result_t result;
+	dns_view_t *view = NULL;
+
+	REQUIRE(DNS_CLIENT_VALID(client));
+
+	if (namespace == NULL)
+		namespace = dns_rootname;
+
+	LOCK(&client->lock);
+	result = dns_viewlist_find(&client->viewlist, DNS_CLIENTVIEW_NAME,
+				   rdclass, &view);
+	if (result != ISC_R_SUCCESS) {
+		UNLOCK(&client->lock);
+		return (result);
+	}
+	UNLOCK(&client->lock);
+
+	result = dns_fwdtable_delete(view->fwdtable, namespace);
+
+	dns_view_detach(&view);
+
+	return (result);
+}
+
+static isc_result_t
+getrdataset(isc_mem_t *mctx, dns_rdataset_t **rdatasetp) {
+	dns_rdataset_t *rdataset;
+
+	REQUIRE(mctx != NULL);
+	REQUIRE(rdatasetp != NULL && *rdatasetp == NULL);
+
+	rdataset = isc_mem_get(mctx, sizeof(*rdataset));
+	if (rdataset == NULL)
+		return (ISC_R_NOMEMORY);
+
+	dns_rdataset_init(rdataset);
+
+	*rdatasetp = rdataset;
+
+	return (ISC_R_SUCCESS);
+}
+
+static void
+putrdataset(isc_mem_t *mctx, dns_rdataset_t **rdatasetp) {
+	dns_rdataset_t *rdataset;
+
+	REQUIRE(rdatasetp != NULL);
+	rdataset = *rdatasetp;
+	REQUIRE(rdataset != NULL);
+
+	if (dns_rdataset_isassociated(rdataset))
+		dns_rdataset_disassociate(rdataset);
+
+	isc_mem_put(mctx, rdataset, sizeof(*rdataset));
+
+	*rdatasetp = NULL;
+}
+
+static void
+fetch_done(isc_task_t *task, isc_event_t *event) {
+	resctx_t *rctx = event->ev_arg;
+	dns_fetchevent_t *fevent;
+
+	REQUIRE(event->ev_type == DNS_EVENT_FETCHDONE);
+	REQUIRE(RCTX_VALID(rctx));
+	REQUIRE(rctx->task == task);
+	fevent = (dns_fetchevent_t *)event;
+
+	client_resfind(rctx, fevent);
+}
+
+static inline isc_result_t
+start_fetch(resctx_t *rctx) {
+	isc_result_t result;
+
+	/*
+	 * The caller must be holding the rctx's lock.
+	 */
+
+	REQUIRE(rctx->fetch == NULL);
+
+	result = dns_resolver_createfetch(rctx->view->resolver,
+					  dns_fixedname_name(&rctx->name),
+					  rctx->type,
+					  NULL, NULL, NULL, 0,
+					  rctx->task, fetch_done, rctx,
+					  rctx->rdataset,
+					  rctx->sigrdataset,
+					  &rctx->fetch);
+
+	return (result);
+}
+
+static isc_result_t
+view_find(resctx_t *rctx, dns_db_t **dbp, dns_dbnode_t **nodep,
+	  dns_name_t *foundname)
+{
+	isc_result_t result;
+	dns_name_t *name = dns_fixedname_name(&rctx->name);
+	dns_rdatatype_t type;
+
+	if (rctx->type == dns_rdatatype_rrsig)
+		type = dns_rdatatype_any;
+	else
+		type = rctx->type;
+
+	result = dns_view_find(rctx->view, name, type, 0, 0, ISC_FALSE,
+			       dbp, nodep, foundname, rctx->rdataset,
+			       rctx->sigrdataset);
+
+	return (result);
+}
+
+static void
+client_resfind(resctx_t *rctx, dns_fetchevent_t *event) {
+	isc_mem_t *mctx;
+	isc_result_t result, tresult;
+	isc_result_t vresult = ISC_R_SUCCESS;
+	isc_boolean_t want_restart;
+	isc_boolean_t send_event = ISC_FALSE;
+	dns_name_t *name, *prefix;
+	dns_fixedname_t foundname, fixed;
+	dns_rdataset_t *trdataset;
+	dns_rdata_t rdata = DNS_RDATA_INIT;
+	unsigned int nlabels;
+	int order;
+	dns_namereln_t namereln;
+	dns_rdata_cname_t cname;
+	dns_rdata_dname_t dname;
+
+	REQUIRE(RCTX_VALID(rctx));
+
+	LOCK(&rctx->lock);
+
+	mctx = rctx->view->mctx;
+
+	result = ISC_R_SUCCESS;
+	name = dns_fixedname_name(&rctx->name);
+
+	do {
+		dns_name_t *fname = NULL;
+		dns_name_t *ansname = NULL;
+		dns_db_t *db = NULL;
+		dns_dbnode_t *node = NULL;
+
+		rctx->restarts++;
+		want_restart = ISC_FALSE;
+
+		if (event == NULL && !rctx->canceled) {
+			dns_fixedname_init(&foundname);
+			fname = dns_fixedname_name(&foundname);
+			INSIST(!dns_rdataset_isassociated(rctx->rdataset));
+			INSIST(rctx->sigrdataset == NULL ||
+			       !dns_rdataset_isassociated(rctx->sigrdataset));
+			result = view_find(rctx, &db, &node, fname);
+			if (result == ISC_R_NOTFOUND) {
+				/*
+				 * We don't know anything about the name.
+				 * Launch a fetch.
+				 */
+				if (node != NULL) {
+					INSIST(db != NULL);
+					dns_db_detachnode(db, &node);
+				}
+				if (db != NULL)
+					dns_db_detach(&db);
+				result = start_fetch(rctx);
+				if (result != ISC_R_SUCCESS) {
+					putrdataset(mctx, &rctx->rdataset);
+					if (rctx->sigrdataset != NULL)
+						putrdataset(mctx,
+							    &rctx->sigrdataset);
+					send_event = ISC_TRUE;
+				}
+				goto done;
+			}
+		} else {
+			INSIST(event->fetch == rctx->fetch);
+			dns_resolver_destroyfetch(&rctx->fetch);
+			db = event->db;
+			node = event->node;
+			result = event->result;
+			vresult = event->vresult;
+			fname = dns_fixedname_name(&event->foundname);
+			INSIST(event->rdataset == rctx->rdataset);
+			INSIST(event->sigrdataset == rctx->sigrdataset);
+		}
+
+		/*
+		 * If we've been canceled, forget about the result.
+		 */
+		if (rctx->canceled)
+			result = ISC_R_CANCELED;
+		else {
+			/*
+			 * Otherwise, get some resource for copying the
+			 * result.
+			 */
+			ansname = isc_mem_get(mctx, sizeof(*ansname));
+			if (ansname == NULL)
+				tresult = ISC_R_NOMEMORY;
+			else {
+				dns_name_t *aname;
+
+				aname = dns_fixedname_name(&rctx->name);
+				dns_name_init(ansname, NULL);
+				tresult = dns_name_dup(aname, mctx, ansname);
+				if (tresult != ISC_R_SUCCESS)
+					isc_mem_put(mctx, ansname,
+						    sizeof(*ansname));
+			}
+			if (tresult != ISC_R_SUCCESS)
+				result = tresult;
+		}
+
+		switch (result) {
+		case ISC_R_SUCCESS:
+			send_event = ISC_TRUE;
+			/*
+			 * This case is handled in the main line below.
+			 */
+			break;
+		case DNS_R_CNAME:
+			/*
+			 * Add the CNAME to the answer list.
+			 */
+			trdataset = rctx->rdataset;
+			ISC_LIST_APPEND(ansname->list, rctx->rdataset, link);
+			rctx->rdataset = NULL;
+			if (rctx->sigrdataset != NULL) {
+				ISC_LIST_APPEND(ansname->list,
+						rctx->sigrdataset, link);
+				rctx->sigrdataset = NULL;
+			}
+			ISC_LIST_APPEND(rctx->namelist, ansname, link);
+			ansname = NULL;
+
+			/*
+			 * Copy the CNAME's target into the lookup's
+			 * query name and start over.
+			 */
+			tresult = dns_rdataset_first(trdataset);
+			if (tresult != ISC_R_SUCCESS)
+				goto done;
+			dns_rdataset_current(trdataset, &rdata);
+			tresult = dns_rdata_tostruct(&rdata, &cname, NULL);
+			dns_rdata_reset(&rdata);
+			if (tresult != ISC_R_SUCCESS)
+				goto done;
+			tresult = dns_name_copy(&cname.cname, name, NULL);
+			dns_rdata_freestruct(&cname);
+			if (tresult == ISC_R_SUCCESS)
+				want_restart = ISC_TRUE;
+			else
+				result = tresult;
+			goto done;
+		case DNS_R_DNAME:
+			/*
+			 * Add the DNAME to the answer list.
+			 */
+			trdataset = rctx->rdataset;
+			ISC_LIST_APPEND(ansname->list, rctx->rdataset, link);
+			rctx->rdataset = NULL;
+			if (rctx->sigrdataset != NULL) {
+				ISC_LIST_APPEND(ansname->list,
+						rctx->sigrdataset, link);
+				rctx->sigrdataset = NULL;
+			}
+			ISC_LIST_APPEND(rctx->namelist, ansname, link);
+			ansname = NULL;
+
+			namereln = dns_name_fullcompare(name, fname, &order,
+							&nlabels);
+			INSIST(namereln == dns_namereln_subdomain);
+			/*
+			 * Get the target name of the DNAME.
+			 */
+			tresult = dns_rdataset_first(trdataset);
+			if (tresult != ISC_R_SUCCESS) {
+				result = tresult;
+				goto done;
+			}
+			dns_rdataset_current(trdataset, &rdata);
+			tresult = dns_rdata_tostruct(&rdata, &dname, NULL);
+			dns_rdata_reset(&rdata);
+			if (tresult != ISC_R_SUCCESS) {
+				result = tresult;
+				goto done;
+			}
+			/*
+			 * Construct the new query name and start over.
+			 */
+			dns_fixedname_init(&fixed);
+			prefix = dns_fixedname_name(&fixed);
+			dns_name_split(name, nlabels, prefix, NULL);
+			tresult = dns_name_concatenate(prefix, &dname.dname,
+						      name, NULL);
+			dns_rdata_freestruct(&dname);
+			if (tresult == ISC_R_SUCCESS)
+				want_restart = ISC_TRUE;
+			else
+				result = tresult;
+			goto done;
+		case DNS_R_NCACHENXDOMAIN:
+		case DNS_R_NCACHENXRRSET:
+			ISC_LIST_APPEND(ansname->list, rctx->rdataset, link);
+			ISC_LIST_APPEND(rctx->namelist, ansname, link);
+			ansname = NULL;
+			rctx->rdataset = NULL;
+			/* What about sigrdataset? */
+			if (rctx->sigrdataset != NULL)
+				putrdataset(mctx, &rctx->sigrdataset);
+			send_event = ISC_TRUE;
+			goto done;
+		default:
+			if (rctx->rdataset != NULL)
+				putrdataset(mctx, &rctx->rdataset);
+			if (rctx->sigrdataset != NULL)
+				putrdataset(mctx, &rctx->sigrdataset);
+			send_event = ISC_TRUE;
+			goto done;
+		}
+
+		if (rctx->type == dns_rdatatype_any) {
+			int n = 0;
+			dns_rdatasetiter_t *rdsiter = NULL;
+
+			tresult = dns_db_allrdatasets(db, node, NULL, 0,
+						      &rdsiter);
+			if (tresult != ISC_R_SUCCESS) {
+				result = tresult;
+				goto done;
+			}
+
+			tresult = dns_rdatasetiter_first(rdsiter);
+			while (tresult == ISC_R_SUCCESS) {
+				dns_rdatasetiter_current(rdsiter,
+							 rctx->rdataset);
+				if (rctx->rdataset->type != 0) {
+					ISC_LIST_APPEND(ansname->list,
+							rctx->rdataset,
+							link);
+					n++;
+					rctx->rdataset = NULL;
+				} else {
+					/*
+					 * We're not interested in this
+					 * rdataset.
+					 */
+					dns_rdataset_disassociate(
+						rctx->rdataset);
+				}
+				tresult = dns_rdatasetiter_next(rdsiter);
+
+				if (tresult == ISC_R_SUCCESS &&
+				    rctx->rdataset == NULL) {
+					tresult = getrdataset(mctx,
+							      &rctx->rdataset);
+					if (tresult != ISC_R_SUCCESS) {
+						result = tresult;
+						break;
+					}
+				}
+			}
+			if (n == 0) {
+				/*
+				 * We didn't match any rdatasets (which means
+				 * something went wrong in this
+				 * implementation).
+				 */
+				result = DNS_R_SERVFAIL; /* better code? */
+			} else {
+				ISC_LIST_APPEND(rctx->namelist, ansname, link);
+				ansname = NULL;
+			}
+			dns_rdatasetiter_destroy(&rdsiter);
+			if (tresult != ISC_R_NOMORE)
+				result = DNS_R_SERVFAIL; /* ditto */
+			else
+				result = ISC_R_SUCCESS;
+			goto done;
+		} else {
+			/*
+			 * This is the "normal" case -- an ordinary question
+			 * to which we've got the answer.
+			 */
+			ISC_LIST_APPEND(ansname->list, rctx->rdataset, link);
+			rctx->rdataset = NULL;
+			if (rctx->sigrdataset != NULL) {
+				ISC_LIST_APPEND(ansname->list,
+						rctx->sigrdataset, link);
+				rctx->sigrdataset = NULL;
+			}
+			ISC_LIST_APPEND(rctx->namelist, ansname, link);
+			ansname = NULL;
+		}
+
+	done:
+		/*
+		 * Free temporary resources
+		 */
+		if (ansname != NULL) {
+			dns_rdataset_t *rdataset;
+
+			while ((rdataset = ISC_LIST_HEAD(ansname->list))
+			       != NULL) {
+				ISC_LIST_UNLINK(ansname->list, rdataset, link);
+				putrdataset(mctx, &rdataset);
+			}
+			dns_name_free(ansname, mctx);
+			isc_mem_put(mctx, ansname, sizeof(*ansname));
+		}
+
+		if (node != NULL)
+			dns_db_detachnode(db, &node);
+		if (db != NULL)
+			dns_db_detach(&db);
+		if (event != NULL)
+			isc_event_free(ISC_EVENT_PTR(&event));
+
+		/*
+		 * Limit the number of restarts.
+		 */
+		if (want_restart && rctx->restarts == MAX_RESTARTS) {
+			want_restart = ISC_FALSE;
+			result = ISC_R_QUOTA;
+			send_event = ISC_TRUE;
+		}
+
+		/*
+		 * Prepare further find with new resources
+		 */
+		if (want_restart) {
+			INSIST(rctx->rdataset == NULL &&
+			       rctx->sigrdataset == NULL);
+
+			result = getrdataset(mctx, &rctx->rdataset);
+			if (result == ISC_R_SUCCESS && rctx->want_dnssec) {
+				result = getrdataset(mctx, &rctx->sigrdataset);
+				if (result != ISC_R_SUCCESS) {
+					putrdataset(mctx, &rctx->rdataset);
+				}
+			}
+
+			if (result != ISC_R_SUCCESS) {
+				want_restart = ISC_FALSE;
+				send_event = ISC_TRUE;
+			}
+		}
+	} while (want_restart);
+
+	if (send_event) {
+		isc_task_t *task;
+
+		while ((name = ISC_LIST_HEAD(rctx->namelist)) != NULL) {
+			ISC_LIST_UNLINK(rctx->namelist, name, link);
+			ISC_LIST_APPEND(rctx->event->answerlist, name, link);
+		}
+
+		rctx->event->result = result;
+		rctx->event->vresult = vresult;
+		task = rctx->event->ev_sender;
+		rctx->event->ev_sender = rctx;
+		isc_task_sendanddetach(&task, ISC_EVENT_PTR(&rctx->event));
+	}
+
+	UNLOCK(&rctx->lock);
+}
+
+static void
+resolve_done(isc_task_t *task, isc_event_t *event) {
+	resarg_t *resarg = event->ev_arg;
+	dns_clientresevent_t *rev = (dns_clientresevent_t *)event;
+	dns_name_t *name;
+
+	UNUSED(task);
+
+	LOCK(&resarg->lock);
+
+	resarg->result = rev->result;
+	resarg->vresult = rev->vresult;
+	while ((name = ISC_LIST_HEAD(rev->answerlist)) != NULL) {
+		ISC_LIST_UNLINK(rev->answerlist, name, link);
+		ISC_LIST_APPEND(*resarg->namelist, name, link);
+	}
+
+	dns_client_destroyrestrans(&resarg->trans);
+	isc_event_free(&event);
+
+	if (!resarg->canceled) {
+		UNLOCK(&resarg->lock);
+
+		/* Exit from the internal event loop */
+		isc_app_ctxsuspend(resarg->actx);
+	} else {
+		/*
+		 * We have already exited from the loop (due to some
+		 * unexpected event).  Just clean the arg up.
+		 */
+		UNLOCK(&resarg->lock);
+		DESTROYLOCK(&resarg->lock);
+		isc_mem_put(resarg->client->mctx, resarg, sizeof(*resarg));
+	}
+}
+
+isc_result_t
+dns_client_resolve(dns_client_t *client, dns_name_t *name,
+		   dns_rdataclass_t rdclass, dns_rdatatype_t type,
+		   unsigned int options, dns_namelist_t *namelist)
+{
+	isc_result_t result;
+	isc_appctx_t *actx;
+	resarg_t *resarg;
+
+	REQUIRE(DNS_CLIENT_VALID(client));
+	REQUIRE(namelist != NULL && ISC_LIST_EMPTY(*namelist));
+
+	if ((client->attributes & DNS_CLIENTATTR_OWNCTX) == 0 &&
+	    (options & DNS_CLIENTRESOPT_ALLOWRUN) == 0) {
+		/*
+		 * If the client is run under application's control, we need
+		 * to create a new running (sub)environment for this
+		 * particular resolution.
+		 */
+		return (ISC_R_NOTIMPLEMENTED); /* XXXTBD */
+	} else
+		actx = client->actx;
+
+	resarg = isc_mem_get(client->mctx, sizeof(*resarg));
+	if (resarg == NULL)
+		return (ISC_R_NOMEMORY);
+
+	result = isc_mutex_init(&resarg->lock);
+	if (result != ISC_R_SUCCESS) {
+		isc_mem_put(client->mctx, resarg, sizeof(*resarg));
+		return (result);
+	}
+
+	resarg->actx = actx;
+	resarg->client = client;
+	resarg->result = DNS_R_SERVFAIL;
+	resarg->namelist = namelist;
+	resarg->trans = NULL;
+	resarg->canceled = ISC_FALSE;
+	result = dns_client_startresolve(client, name, rdclass, type, options,
+					 client->task, resolve_done, resarg,
+					 &resarg->trans);
+	if (result != ISC_R_SUCCESS) {
+		DESTROYLOCK(&resarg->lock);
+		isc_mem_put(client->mctx, resarg, sizeof(*resarg));
+		return (result);
+	}
+
+	/*
+	 * Start internal event loop.  It blocks until the entire process
+	 * is completed.
+	 */
+	result = isc_app_ctxrun(actx);
+
+	LOCK(&resarg->lock);
+	if (result == ISC_R_SUCCESS || result == ISC_R_SUSPEND)
+		result = resarg->result;
+	if (result != ISC_R_SUCCESS && resarg->vresult != ISC_R_SUCCESS) {
+		/*
+		 * If this lookup failed due to some error in DNSSEC
+		 * validation, return the validation error code.
+		 * XXX: or should we pass the validation result separately?
+		 */
+		result = resarg->vresult;
+	}
+	if (resarg->trans != NULL) {
+		/*
+		 * Unusual termination (perhaps due to signal).  We need some
+		 * tricky cleanup process.
+		 */
+		resarg->canceled = ISC_TRUE;
+		dns_client_cancelresolve(resarg->trans);
+
+		UNLOCK(&resarg->lock);
+
+		/* resarg will be freed in the event handler. */
+	} else {
+		UNLOCK(&resarg->lock);
+
+		DESTROYLOCK(&resarg->lock);
+		isc_mem_put(client->mctx, resarg, sizeof(*resarg));
+	}
+
+	return (result);
+}
+
+isc_result_t
+dns_client_startresolve(dns_client_t *client, dns_name_t *name,
+			dns_rdataclass_t rdclass, dns_rdatatype_t type,
+			unsigned int options, isc_task_t *task,
+			isc_taskaction_t action, void *arg,
+			dns_clientrestrans_t **transp)
+{
+	dns_view_t *view = NULL;
+	dns_clientresevent_t *event = NULL;
+	resctx_t *rctx = NULL;
+	isc_task_t *clone = NULL;
+	isc_mem_t *mctx;
+	isc_result_t result;
+	dns_rdataset_t *rdataset, *sigrdataset;
+	isc_boolean_t want_dnssec;
+
+	REQUIRE(DNS_CLIENT_VALID(client));
+	REQUIRE(transp != NULL && *transp == NULL);
+
+	LOCK(&client->lock);
+	result = dns_viewlist_find(&client->viewlist, DNS_CLIENTVIEW_NAME,
+				   rdclass, &view);
+	UNLOCK(&client->lock);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+
+	mctx = client->mctx;
+	rdataset = NULL;
+	sigrdataset = NULL;
+	want_dnssec = ISC_TF((options & DNS_CLIENTRESOPT_NODNSSEC) == 0);
+
+	/*
+	 * Prepare some intermediate resources
+	 */
+	clone = NULL;
+	isc_task_attach(task, &clone);
+	event = (dns_clientresevent_t *)
+		isc_event_allocate(mctx, clone, DNS_EVENT_CLIENTRESDONE,
+				   action, arg, sizeof(*event));
+	if (event == NULL) {
+		result = ISC_R_NOMEMORY;
+		goto cleanup;
+	}
+	event->result = DNS_R_SERVFAIL;
+	ISC_LIST_INIT(event->answerlist);
+
+	rctx = isc_mem_get(mctx, sizeof(*rctx));
+	if (rctx == NULL)
+		result = ISC_R_NOMEMORY;
+	else {
+		result = isc_mutex_init(&rctx->lock);
+		if (result != ISC_R_SUCCESS) {
+			isc_mem_put(mctx, rctx, sizeof(*rctx));
+			rctx = NULL;
+		}
+	}
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+
+	result = getrdataset(mctx, &rdataset);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+	rctx->rdataset = rdataset;
+
+	if (want_dnssec) {
+		result = getrdataset(mctx, &sigrdataset);
+		if (result != ISC_R_SUCCESS)
+			goto cleanup;
+	}
+	rctx->sigrdataset = sigrdataset;
+
+	dns_fixedname_init(&rctx->name);
+	result = dns_name_copy(name, dns_fixedname_name(&rctx->name), NULL);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+
+	rctx->client = client;
+	ISC_LINK_INIT(rctx, link);
+	rctx->canceled = ISC_FALSE;
+	rctx->task = client->task;
+	rctx->type = type;
+	rctx->view = view;
+	rctx->restarts = 0;
+	rctx->fetch = NULL;
+	rctx->want_dnssec = want_dnssec;
+	ISC_LIST_INIT(rctx->namelist);
+	rctx->event = event;
+
+	rctx->magic = RCTX_MAGIC;
+
+	LOCK(&client->lock);
+	ISC_LIST_APPEND(client->resctxs, rctx, link);
+	UNLOCK(&client->lock);
+
+	client_resfind(rctx, NULL);
+
+	*transp = (dns_clientrestrans_t *)rctx;
+
+	return (ISC_R_SUCCESS);
+
+ cleanup:
+	if (rdataset != NULL)
+		putrdataset(client->mctx, &rdataset);
+	if (sigrdataset != NULL)
+		putrdataset(client->mctx, &sigrdataset);
+	if (rctx != NULL) {
+		DESTROYLOCK(&rctx->lock);
+		isc_mem_put(mctx, rctx, sizeof(*rctx));
+	}
+	if (event != NULL)
+		isc_event_free(ISC_EVENT_PTR(&event));
+	isc_task_detach(&clone);
+	dns_view_detach(&view);
+
+	return (result);
+}
+
+void
+dns_client_cancelresolve(dns_clientrestrans_t *trans) {
+	resctx_t *rctx;
+
+	REQUIRE(trans != NULL);
+	rctx = (resctx_t *)trans;
+	REQUIRE(RCTX_VALID(rctx));
+
+	LOCK(&rctx->lock);
+
+	if (!rctx->canceled) {
+		rctx->canceled = ISC_TRUE;
+		if (rctx->fetch != NULL)
+			dns_resolver_cancelfetch(rctx->fetch);
+	}
+
+	UNLOCK(&rctx->lock);
+}
+
+void
+dns_client_freeresanswer(dns_client_t *client, dns_namelist_t *namelist) {
+	dns_name_t *name;
+	dns_rdataset_t *rdataset;
+
+	REQUIRE(DNS_CLIENT_VALID(client));
+	REQUIRE(namelist != NULL);
+
+	while ((name = ISC_LIST_HEAD(*namelist)) != NULL) {
+		ISC_LIST_UNLINK(*namelist, name, link);
+		while ((rdataset = ISC_LIST_HEAD(name->list)) != NULL) {
+			ISC_LIST_UNLINK(name->list, rdataset, link);
+			putrdataset(client->mctx, &rdataset);
+		}
+		dns_name_free(name, client->mctx);
+		isc_mem_put(client->mctx, name, sizeof(*name));
+	}
+}
+
+void
+dns_client_destroyrestrans(dns_clientrestrans_t **transp) {
+	resctx_t *rctx;
+	isc_mem_t *mctx;
+	dns_client_t *client;
+	isc_boolean_t need_destroyclient = ISC_FALSE;
+
+	REQUIRE(transp != NULL);
+	rctx = (resctx_t *)*transp;
+	REQUIRE(RCTX_VALID(rctx));
+	REQUIRE(rctx->fetch == NULL);
+	REQUIRE(rctx->event == NULL);
+	client = rctx->client;
+	REQUIRE(DNS_CLIENT_VALID(client));
+
+	mctx = client->mctx;
+	dns_view_detach(&rctx->view);
+
+	LOCK(&client->lock);
+
+	INSIST(ISC_LINK_LINKED(rctx, link));
+	ISC_LIST_UNLINK(client->resctxs, rctx, link);
+
+	if (client->references == 0 && ISC_LIST_EMPTY(client->resctxs) &&
+	    ISC_LIST_EMPTY(client->reqctxs) &&
+	    ISC_LIST_EMPTY(client->updatectxs))
+		need_destroyclient = ISC_TRUE;
+
+	UNLOCK(&client->lock);
+
+	INSIST(ISC_LIST_EMPTY(rctx->namelist));
+
+	DESTROYLOCK(&rctx->lock);
+	rctx->magic = 0;
+
+	isc_mem_put(mctx, rctx, sizeof(*rctx));
+
+	if (need_destroyclient)
+		destroyclient(&client);
+
+	*transp = NULL;
+}
+
+isc_result_t
+dns_client_addtrustedkey(dns_client_t *client, dns_rdataclass_t rdclass,
+			 dns_name_t *keyname, isc_buffer_t *keydatabuf)
+{
+	isc_result_t result;
+	dns_view_t *view = NULL;
+	dst_key_t *dstkey = NULL;
+	dns_keytable_t *secroots = NULL;
+
+	REQUIRE(DNS_CLIENT_VALID(client));
+
+	LOCK(&client->lock);
+	result = dns_viewlist_find(&client->viewlist, DNS_CLIENTVIEW_NAME,
+				   rdclass, &view);
+	UNLOCK(&client->lock);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+
+	result = dns_view_getsecroots(view, &secroots);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+
+	result = dst_key_fromdns(keyname, rdclass, keydatabuf, client->mctx,
+				 &dstkey);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+
+	result = dns_keytable_add(secroots, ISC_FALSE, &dstkey);
+
+ cleanup:
+	if (dstkey != NULL)
+		dst_key_free(&dstkey);
+	if (view != NULL)
+		dns_view_detach(&view);
+	if (secroots != NULL)
+		dns_keytable_detach(&secroots);
+	return (result);
+}
+
+/*%
+ * Simple request routines
+ */
+static void
+request_done(isc_task_t *task, isc_event_t *event) {
+	dns_requestevent_t *reqev = NULL;
+	dns_request_t *request;
+	isc_result_t result, eresult;
+	reqctx_t *ctx;
+
+	UNUSED(task);
+
+	REQUIRE(event->ev_type == DNS_EVENT_REQUESTDONE);
+	reqev = (dns_requestevent_t *)event;
+	request = reqev->request;
+	result = eresult = reqev->result;
+	ctx = reqev->ev_arg;
+	REQUIRE(REQCTX_VALID(ctx));
+
+	isc_event_free(&event);
+
+	LOCK(&ctx->lock);
+
+	if (eresult == ISC_R_SUCCESS) {
+		result = dns_request_getresponse(request, ctx->event->rmessage,
+						 ctx->parseoptions);
+	}
+
+	if (ctx->tsigkey != NULL)
+		dns_tsigkey_detach(&ctx->tsigkey);
+
+	if (ctx->canceled)
+		ctx->event->result = ISC_R_CANCELED;
+	else
+		ctx->event->result = result;
+	task = ctx->event->ev_sender;
+	ctx->event->ev_sender = ctx;
+	isc_task_sendanddetach(&task, ISC_EVENT_PTR(&ctx->event));
+
+	UNLOCK(&ctx->lock);
+}
+
+static void
+localrequest_done(isc_task_t *task, isc_event_t *event) {
+	reqarg_t *reqarg = event->ev_arg;
+	dns_clientreqevent_t *rev =(dns_clientreqevent_t *)event;
+
+	UNUSED(task);
+
+	REQUIRE(event->ev_type == DNS_EVENT_CLIENTREQDONE);
+
+	LOCK(&reqarg->lock);
+
+	reqarg->result = rev->result;
+	dns_client_destroyreqtrans(&reqarg->trans);
+	isc_event_free(&event);
+
+	if (!reqarg->canceled) {
+		UNLOCK(&reqarg->lock);
+
+		/* Exit from the internal event loop */
+		isc_app_ctxsuspend(reqarg->actx);
+	} else {
+		/*
+		 * We have already exited from the loop (due to some
+		 * unexpected event).  Just clean the arg up.
+		 */
+		UNLOCK(&reqarg->lock);
+		DESTROYLOCK(&reqarg->lock);
+		isc_mem_put(reqarg->client->mctx, reqarg, sizeof(*reqarg));
+	}
+}
+
+isc_result_t
+dns_client_request(dns_client_t *client, dns_message_t *qmessage,
+		   dns_message_t *rmessage, isc_sockaddr_t *server,
+		   unsigned int options, unsigned int parseoptions,
+		   dns_tsec_t *tsec, unsigned int timeout,
+		   unsigned int udptimeout, unsigned int udpretries)
+{
+	isc_appctx_t *actx;
+	reqarg_t *reqarg;
+	isc_result_t result;
+
+	REQUIRE(DNS_CLIENT_VALID(client));
+	REQUIRE(qmessage != NULL);
+	REQUIRE(rmessage != NULL);
+
+	if ((client->attributes & DNS_CLIENTATTR_OWNCTX) == 0 &&
+	    (options & DNS_CLIENTREQOPT_ALLOWRUN) == 0) {
+		/*
+		 * If the client is run under application's control, we need
+		 * to create a new running (sub)environment for this
+		 * particular resolution.
+		 */
+		return (ISC_R_NOTIMPLEMENTED); /* XXXTBD */
+	} else
+		actx = client->actx;
+
+	reqarg = isc_mem_get(client->mctx, sizeof(*reqarg));
+	if (reqarg == NULL)
+		return (ISC_R_NOMEMORY);
+
+	result = isc_mutex_init(&reqarg->lock);
+	if (result != ISC_R_SUCCESS) {
+		isc_mem_put(client->mctx, reqarg, sizeof(*reqarg));
+		return (result);
+	}
+
+	reqarg->actx = actx;
+	reqarg->client = client;
+	reqarg->trans = NULL;
+	reqarg->canceled = ISC_FALSE;
+
+	result = dns_client_startrequest(client, qmessage, rmessage, server,
+					 options, parseoptions, tsec, timeout,
+					 udptimeout, udpretries,
+					 client->task, localrequest_done,
+					 reqarg, &reqarg->trans);
+	if (result != ISC_R_SUCCESS) {
+		DESTROYLOCK(&reqarg->lock);
+		isc_mem_put(client->mctx, reqarg, sizeof(*reqarg));
+		return (result);
+	}
+
+	/*
+	 * Start internal event loop.  It blocks until the entire process
+	 * is completed.
+	 */
+	result = isc_app_ctxrun(actx);
+
+	LOCK(&reqarg->lock);
+	if (result == ISC_R_SUCCESS || result == ISC_R_SUSPEND)
+		result = reqarg->result;
+	if (reqarg->trans != NULL) {
+		/*
+		 * Unusual termination (perhaps due to signal).  We need some
+		 * tricky cleanup process.
+		 */
+		reqarg->canceled = ISC_TRUE;
+		dns_client_cancelresolve(reqarg->trans);
+
+		UNLOCK(&reqarg->lock);
+
+		/* reqarg will be freed in the event handler. */
+	} else {
+		UNLOCK(&reqarg->lock);
+
+		DESTROYLOCK(&reqarg->lock);
+		isc_mem_put(client->mctx, reqarg, sizeof(*reqarg));
+	}
+
+	return (result);
+}
+
+isc_result_t
+dns_client_startrequest(dns_client_t *client, dns_message_t *qmessage,
+			dns_message_t *rmessage, isc_sockaddr_t *server,
+			unsigned int options, unsigned int parseoptions,
+			dns_tsec_t *tsec, unsigned int timeout,
+			unsigned int udptimeout, unsigned int udpretries,
+			isc_task_t *task, isc_taskaction_t action, void *arg,
+			dns_clientreqtrans_t **transp)
+{
+	isc_result_t result;
+	dns_view_t *view = NULL;
+	isc_task_t *clone = NULL;
+	dns_clientreqevent_t *event = NULL;
+	reqctx_t *ctx = NULL;
+	dns_tsectype_t tsectype = dns_tsectype_none;
+
+	UNUSED(options);
+
+	REQUIRE(DNS_CLIENT_VALID(client));
+	REQUIRE(qmessage != NULL);
+	REQUIRE(rmessage != NULL);
+	REQUIRE(transp != NULL && *transp == NULL);
+
+	if (tsec != NULL) {
+		tsectype = dns_tsec_gettype(tsec);
+		if (tsectype != dns_tsectype_tsig)
+			return (ISC_R_NOTIMPLEMENTED); /* XXX */
+	}
+
+	LOCK(&client->lock);
+	result = dns_viewlist_find(&client->viewlist, DNS_CLIENTVIEW_NAME,
+				   qmessage->rdclass, &view);
+	UNLOCK(&client->lock);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+
+	clone = NULL;
+	isc_task_attach(task, &clone);
+	event = (dns_clientreqevent_t *)
+		isc_event_allocate(client->mctx, clone,
+				   DNS_EVENT_CLIENTREQDONE,
+				   action, arg, sizeof(*event));
+	if (event == NULL) {
+		result = ISC_R_NOMEMORY;
+		goto cleanup;
+	}
+
+	ctx = isc_mem_get(client->mctx, sizeof(*ctx));
+	if (ctx == NULL)
+		result = ISC_R_NOMEMORY;
+	else {
+		result = isc_mutex_init(&ctx->lock);
+		if (result != ISC_R_SUCCESS) {
+			isc_mem_put(client->mctx, ctx, sizeof(*ctx));
+			ctx = NULL;
+		}
+	}
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+
+	ctx->client = client;
+	ISC_LINK_INIT(ctx, link);
+	ctx->parseoptions = parseoptions;
+	ctx->canceled = ISC_FALSE;
+	ctx->event = event;
+	ctx->event->rmessage = rmessage;
+	ctx->tsigkey = NULL;
+	if (tsec != NULL)
+		dns_tsec_getkey(tsec, &ctx->tsigkey);
+
+	ctx->magic = REQCTX_MAGIC;
+
+	LOCK(&client->lock);
+	ISC_LIST_APPEND(client->reqctxs, ctx, link);
+	UNLOCK(&client->lock);
+
+	ctx->request = NULL;
+	result = dns_request_createvia3(view->requestmgr, qmessage, NULL,
+					server, options, ctx->tsigkey,
+					timeout, udptimeout, udpretries,
+					client->task, request_done, ctx,
+					&ctx->request);
+	if (result == ISC_R_SUCCESS) {
+		dns_view_detach(&view);
+		*transp = (dns_clientreqtrans_t *)ctx;
+		return (ISC_R_SUCCESS);
+	}
+
+ cleanup:
+	if (ctx != NULL) {
+		LOCK(&client->lock);
+		ISC_LIST_UNLINK(client->reqctxs, ctx, link);
+		UNLOCK(&client->lock);
+		DESTROYLOCK(&ctx->lock);
+		isc_mem_put(client->mctx, ctx, sizeof(*ctx));
+	}
+	if (event != NULL)
+		isc_event_free(ISC_EVENT_PTR(&event));
+	isc_task_detach(&clone);
+	dns_view_detach(&view);
+
+	return (result);
+}
+
+void
+dns_client_cancelrequest(dns_clientreqtrans_t *trans) {
+	reqctx_t *ctx;
+
+	REQUIRE(trans != NULL);
+	ctx = (reqctx_t *)trans;
+	REQUIRE(REQCTX_VALID(ctx));
+
+	LOCK(&ctx->lock);
+
+	if (!ctx->canceled) {
+		ctx->canceled = ISC_TRUE;
+		if (ctx->request != NULL)
+			dns_request_cancel(ctx->request);
+	}
+
+	UNLOCK(&ctx->lock);
+}
+
+void
+dns_client_destroyreqtrans(dns_clientreqtrans_t **transp) {
+	reqctx_t *ctx;
+	isc_mem_t *mctx;
+	dns_client_t *client;
+	isc_boolean_t need_destroyclient = ISC_FALSE;
+
+	REQUIRE(transp != NULL);
+	ctx = (reqctx_t *)*transp;
+	REQUIRE(REQCTX_VALID(ctx));
+	client = ctx->client;
+	REQUIRE(DNS_CLIENT_VALID(client));
+	REQUIRE(ctx->event == NULL);
+	REQUIRE(ctx->request != NULL);
+
+	dns_request_destroy(&ctx->request);
+	mctx = client->mctx;
+
+	LOCK(&client->lock);
+
+	INSIST(ISC_LINK_LINKED(ctx, link));
+	ISC_LIST_UNLINK(client->reqctxs, ctx, link);
+
+	if (client->references == 0 && ISC_LIST_EMPTY(client->resctxs) &&
+	    ISC_LIST_EMPTY(client->reqctxs) &&
+	    ISC_LIST_EMPTY(client->updatectxs)) {
+		need_destroyclient = ISC_TRUE;
+	}
+
+	UNLOCK(&client->lock);
+
+	DESTROYLOCK(&ctx->lock);
+	ctx->magic = 0;
+
+	isc_mem_put(mctx, ctx, sizeof(*ctx));
+
+	if (need_destroyclient)
+		destroyclient(&client);
+
+	*transp = NULL;
+}
+
+/*%
+ * Dynamic update routines
+ */
+static isc_result_t
+rcode2result(dns_rcode_t rcode) {
+	/* XXX: isn't there a similar function? */
+	switch (rcode) {
+	case dns_rcode_formerr:
+		return (DNS_R_FORMERR);
+	case dns_rcode_servfail:
+		return (DNS_R_SERVFAIL);
+	case dns_rcode_nxdomain:
+		return (DNS_R_NXDOMAIN);
+	case dns_rcode_notimp:
+		return (DNS_R_NOTIMP);
+	case dns_rcode_refused:
+		return (DNS_R_REFUSED);
+	case dns_rcode_yxdomain:
+		return (DNS_R_YXDOMAIN);
+	case dns_rcode_yxrrset:
+		return (DNS_R_YXRRSET);
+	case dns_rcode_nxrrset:
+		return (DNS_R_NXRRSET);
+	case dns_rcode_notauth:
+		return (DNS_R_NOTAUTH);
+	case dns_rcode_notzone:
+		return (DNS_R_NOTZONE);
+	case dns_rcode_badvers:
+		return (DNS_R_BADVERS);
+	}
+
+	return (ISC_R_FAILURE);
+}
+
+static void
+update_sendevent(updatectx_t *uctx, isc_result_t result) {
+	isc_task_t *task;
+
+	dns_message_destroy(&uctx->updatemsg);
+	if (uctx->tsigkey != NULL)
+		dns_tsigkey_detach(&uctx->tsigkey);
+	if (uctx->sig0key != NULL)
+		dst_key_free(&uctx->sig0key);
+
+	if (uctx->canceled)
+		uctx->event->result = ISC_R_CANCELED;
+	else
+		uctx->event->result = result;
+	uctx->event->state = uctx->state;
+	task = uctx->event->ev_sender;
+	uctx->event->ev_sender = uctx;
+	isc_task_sendanddetach(&task, ISC_EVENT_PTR(&uctx->event));
+}
+
+static void
+update_done(isc_task_t *task, isc_event_t *event) {
+	isc_result_t result;
+	dns_requestevent_t *reqev = NULL;
+	dns_request_t *request;
+	dns_message_t *answer = NULL;
+	updatectx_t *uctx = event->ev_arg;
+	dns_client_t *client;
+	unsigned int timeout;
+
+	UNUSED(task);
+
+	REQUIRE(event->ev_type == DNS_EVENT_REQUESTDONE);
+	reqev = (dns_requestevent_t *)event;
+	request = reqev->request;
+	REQUIRE(UCTX_VALID(uctx));
+	client = uctx->client;
+	REQUIRE(DNS_CLIENT_VALID(client));
+
+	result = reqev->result;
+	if (result != ISC_R_SUCCESS)
+		goto out;
+
+	result = dns_message_create(client->mctx, DNS_MESSAGE_INTENTPARSE,
+				    &answer);
+	if (result != ISC_R_SUCCESS)
+		goto out;
+	uctx->state = dns_clientupdatestate_done;
+	result = dns_request_getresponse(request, answer,
+					 DNS_MESSAGEPARSE_PRESERVEORDER);
+	if (result == ISC_R_SUCCESS && answer->rcode != dns_rcode_noerror)
+		result = rcode2result(answer->rcode);
+
+ out:
+	if (answer != NULL)
+		dns_message_destroy(&answer);
+	isc_event_free(&event);
+
+	LOCK(&uctx->lock);
+	uctx->currentserver = ISC_LIST_NEXT(uctx->currentserver, link);
+	dns_request_destroy(&uctx->updatereq);
+	if (result != ISC_R_SUCCESS && !uctx->canceled &&
+	    uctx->currentserver != NULL) {
+		dns_message_renderreset(uctx->updatemsg);
+		dns_message_settsigkey(uctx->updatemsg, NULL);
+
+		timeout = client->update_timeout / uctx->nservers;
+		if (timeout < MIN_UPDATE_TIMEOUT)
+			timeout = MIN_UPDATE_TIMEOUT;
+		result = dns_request_createvia3(uctx->view->requestmgr,
+						uctx->updatemsg,
+						NULL,
+						uctx->currentserver, 0,
+						uctx->tsigkey,
+						timeout,
+						client->update_udptimeout,
+						client->update_udpretries,
+						client->task,
+						update_done, uctx,
+						&uctx->updatereq);
+		UNLOCK(&uctx->lock);
+
+		if (result == ISC_R_SUCCESS) {
+			/* XXX: should we keep the 'done' state here? */
+			uctx->state = dns_clientupdatestate_sent;
+			return;
+		}
+	} else
+		UNLOCK(&uctx->lock);
+
+	update_sendevent(uctx, result);
+}
+
+static isc_result_t
+send_update(updatectx_t *uctx) {
+	isc_result_t result;
+	dns_name_t *name = NULL;
+	dns_rdataset_t *rdataset = NULL;
+	dns_client_t *client = uctx->client;
+	unsigned int timeout;
+
+	REQUIRE(uctx->zonename != NULL && uctx->currentserver != NULL);
+
+	result = dns_message_gettempname(uctx->updatemsg, &name);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+	dns_name_init(name, NULL);
+	dns_name_clone(uctx->zonename, name);
+	result = dns_message_gettemprdataset(uctx->updatemsg, &rdataset);
+	if (result != ISC_R_SUCCESS) {
+		dns_message_puttempname(uctx->updatemsg, &name);
+		return (result);
+	}
+	dns_rdataset_makequestion(rdataset, uctx->rdclass, dns_rdatatype_soa);
+	ISC_LIST_INIT(name->list);
+	ISC_LIST_APPEND(name->list, rdataset, link);
+	dns_message_addname(uctx->updatemsg, name, DNS_SECTION_ZONE);
+	if (uctx->tsigkey == NULL && uctx->sig0key != NULL) {
+		result = dns_message_setsig0key(uctx->updatemsg,
+						uctx->sig0key);
+		if (result != ISC_R_SUCCESS)
+			return (result);
+	}
+	timeout = client->update_timeout / uctx->nservers;
+	if (timeout < MIN_UPDATE_TIMEOUT)
+		timeout = MIN_UPDATE_TIMEOUT;
+	result = dns_request_createvia3(uctx->view->requestmgr,
+					uctx->updatemsg,
+					NULL, uctx->currentserver, 0,
+					uctx->tsigkey, timeout,
+					client->update_udptimeout,
+					client->update_udpretries,
+					client->task, update_done, uctx,
+					&uctx->updatereq);
+	if (result == ISC_R_SUCCESS &&
+	    uctx->state == dns_clientupdatestate_prepare) {
+		uctx->state = dns_clientupdatestate_sent;
+	}
+
+	return (result);
+}
+
+static void
+resolveaddr_done(isc_task_t *task, isc_event_t *event) {
+	isc_result_t result;
+	int family;
+	dns_rdatatype_t qtype;
+	dns_clientresevent_t *rev = (dns_clientresevent_t *)event;
+	dns_name_t *name;
+	dns_rdataset_t *rdataset;
+	updatectx_t *uctx;
+	isc_boolean_t completed = ISC_FALSE;
+
+	UNUSED(task);
+
+	REQUIRE(event->ev_arg != NULL);
+	uctx = *(updatectx_t **)event->ev_arg;
+	REQUIRE(UCTX_VALID(uctx));
+
+	if (event->ev_arg == &uctx->bp4) {
+		family = AF_INET;
+		qtype = dns_rdatatype_a;
+		LOCK(&uctx->lock);
+		dns_client_destroyrestrans(&uctx->restrans);
+		UNLOCK(&uctx->lock);
+	} else {
+		INSIST(event->ev_arg == &uctx->bp6);
+		family = AF_INET6;
+		qtype = dns_rdatatype_aaaa;
+		LOCK(&uctx->lock);
+		dns_client_destroyrestrans(&uctx->restrans2);
+		UNLOCK(&uctx->lock);
+	}
+
+	result = rev->result;
+	if (result != ISC_R_SUCCESS)
+		goto done;
+
+	for (name = ISC_LIST_HEAD(rev->answerlist); name != NULL;
+	     name = ISC_LIST_NEXT(name, link)) {
+		for (rdataset = ISC_LIST_HEAD(name->list);
+		     rdataset != NULL;
+		     rdataset = ISC_LIST_NEXT(rdataset, link)) {
+			if (!dns_rdataset_isassociated(rdataset))
+				continue;
+			if (rdataset->type != qtype)
+				continue;
+
+			for (result = dns_rdataset_first(rdataset);
+			     result == ISC_R_SUCCESS;
+			     result = dns_rdataset_next(rdataset)) {
+				dns_rdata_t rdata;
+				dns_rdata_in_a_t rdata_a;
+				dns_rdata_in_aaaa_t rdata_aaaa;
+				isc_sockaddr_t *sa;
+
+				sa = isc_mem_get(uctx->client->mctx,
+						 sizeof(*sa));
+				if (sa == NULL) {
+					/*
+					 * If we fail to get a sockaddr,
+					 we simply move forward with the
+					 * addresses we've got so far.
+					 */
+					goto done;
+				}
+
+				dns_rdata_init(&rdata);
+				switch (family) {
+				case AF_INET:
+					dns_rdataset_current(rdataset, &rdata);
+					dns_rdata_tostruct(&rdata, &rdata_a,
+							   NULL);
+					isc_sockaddr_fromin(sa,
+							    &rdata_a.in_addr,
+							    53);
+					dns_rdata_freestruct(&rdata_a);
+					break;
+				case AF_INET6:
+					dns_rdataset_current(rdataset, &rdata);
+					dns_rdata_tostruct(&rdata, &rdata_aaaa,
+							   NULL);
+					isc_sockaddr_fromin6(sa,
+							     &rdata_aaaa.in6_addr,
+							     53);
+					dns_rdata_freestruct(&rdata_aaaa);
+					break;
+				}
+
+				ISC_LINK_INIT(sa, link);
+				ISC_LIST_APPEND(uctx->servers, sa, link);
+				uctx->nservers++;
+			}
+		}
+	}
+
+ done:
+	dns_client_freeresanswer(uctx->client, &rev->answerlist);
+	isc_event_free(&event);
+
+	LOCK(&uctx->lock);
+	if (uctx->restrans == NULL && uctx->restrans2 == NULL)
+		completed = ISC_TRUE;
+	UNLOCK(&uctx->lock);
+
+	if (completed) {
+		INSIST(uctx->currentserver == NULL);
+		uctx->currentserver = ISC_LIST_HEAD(uctx->servers);
+		if (uctx->currentserver != NULL && !uctx->canceled)
+			send_update(uctx);
+		else {
+			if (result == ISC_R_SUCCESS)
+				result = ISC_R_NOTFOUND;
+			update_sendevent(uctx, result);
+		}
+	}
+}
+
+static isc_result_t
+process_soa(updatectx_t *uctx, dns_rdataset_t *soaset, dns_name_t *soaname) {
+	isc_result_t result;
+	dns_rdata_t soarr = DNS_RDATA_INIT;
+	dns_rdata_soa_t soa;
+	dns_name_t primary;
+
+	result = dns_rdataset_first(soaset);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+	dns_rdata_init(&soarr);
+	dns_rdataset_current(soaset, &soarr);
+	result = dns_rdata_tostruct(&soarr, &soa, NULL);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+
+	dns_name_init(&primary, NULL);
+	dns_name_clone(&soa.origin, &primary);
+
+	if (uctx->zonename == NULL) {
+		uctx->zonename = dns_fixedname_name(&uctx->zonefname);
+		result = dns_name_copy(soaname, uctx->zonename, NULL);
+		if (result != ISC_R_SUCCESS)
+			goto out;
+	}
+
+	if (uctx->currentserver != NULL)
+		result = send_update(uctx);
+	else {
+		/*
+		 * Get addresses of the primary server.  We don't use the ADB
+		 * feature so that we could avoid caching data.
+		 */
+		LOCK(&uctx->lock);
+		uctx->bp4 = uctx;
+		result = dns_client_startresolve(uctx->client, &primary,
+						 uctx->rdclass,
+						 dns_rdatatype_a,
+						 0, uctx->client->task,
+						 resolveaddr_done, &uctx->bp4,
+						 &uctx->restrans);
+		if (result == ISC_R_SUCCESS) {
+			uctx->bp6 = uctx;
+			result = dns_client_startresolve(uctx->client,
+							 &primary,
+							 uctx->rdclass,
+							 dns_rdatatype_aaaa,
+							 0, uctx->client->task,
+							 resolveaddr_done,
+							 &uctx->bp6,
+							 &uctx->restrans2);
+		}
+		UNLOCK(&uctx->lock);
+	}
+
+ out:
+	dns_rdata_freestruct(&soa);
+
+	return (result);
+}
+
+static void
+receive_soa(isc_task_t *task, isc_event_t *event) {
+	dns_requestevent_t *reqev = NULL;
+	updatectx_t *uctx;
+	dns_client_t *client;
+	isc_result_t result, eresult;
+	dns_request_t *request;
+	dns_message_t *rcvmsg = NULL;
+	dns_section_t section;
+	dns_rdataset_t *soaset = NULL;
+	int pass = 0;
+	dns_name_t *name;
+	dns_message_t *soaquery = NULL;
+	isc_sockaddr_t *addr;
+	isc_boolean_t seencname = ISC_FALSE;
+	isc_boolean_t droplabel = ISC_FALSE;
+	dns_name_t tname;
+	unsigned int nlabels;
+
+	UNUSED(task);
+
+	REQUIRE(event->ev_type == DNS_EVENT_REQUESTDONE);
+	reqev = (dns_requestevent_t *)event;
+	request = reqev->request;
+	result = eresult = reqev->result;
+	uctx = reqev->ev_arg;
+	client = uctx->client;
+	soaquery = uctx->soaquery;
+	addr = uctx->currentserver;
+	INSIST(addr != NULL);
+
+	isc_event_free(&event);
+
+	if (eresult != ISC_R_SUCCESS) {
+		result = eresult;
+		goto out;
+	}
+
+	result = dns_message_create(uctx->client->mctx,
+				    DNS_MESSAGE_INTENTPARSE, &rcvmsg);
+	if (result != ISC_R_SUCCESS)
+		goto out;
+	result = dns_request_getresponse(request, rcvmsg,
+					 DNS_MESSAGEPARSE_PRESERVEORDER);
+
+	if (result == DNS_R_TSIGERRORSET) {
+		dns_request_t *newrequest = NULL;
+
+		/* Retry SOA request without TSIG */
+		dns_message_destroy(&rcvmsg);
+		dns_message_renderreset(uctx->soaquery);
+		result = dns_request_createvia3(uctx->view->requestmgr,
+						uctx->soaquery, NULL, addr, 0,
+						NULL,
+						client->find_timeout * 20,
+						client->find_timeout, 3,
+						uctx->client->task,
+						receive_soa, uctx,
+						&newrequest);
+		if (result == ISC_R_SUCCESS) {
+			LOCK(&uctx->lock);
+			dns_request_destroy(&uctx->soareq);
+			uctx->soareq = newrequest;
+			UNLOCK(&uctx->lock);
+
+			return;
+		}
+		goto out;
+	}
+
+	section = DNS_SECTION_ANSWER;
+
+	if (rcvmsg->rcode != dns_rcode_noerror &&
+	    rcvmsg->rcode != dns_rcode_nxdomain) {
+		result = rcode2result(rcvmsg->rcode);
+		goto out;
+	}
+
+ lookforsoa:
+	if (pass == 0)
+		section = DNS_SECTION_ANSWER;
+	else if (pass == 1)
+		section = DNS_SECTION_AUTHORITY;
+	else {
+		droplabel = ISC_TRUE;
+		goto out;
+	}
+
+	result = dns_message_firstname(rcvmsg, section);
+	if (result != ISC_R_SUCCESS) {
+		pass++;
+		goto lookforsoa;
+	}
+	while (result == ISC_R_SUCCESS) {
+		name = NULL;
+		dns_message_currentname(rcvmsg, section, &name);
+		soaset = NULL;
+		result = dns_message_findtype(name, dns_rdatatype_soa, 0,
+					      &soaset);
+		if (result == ISC_R_SUCCESS)
+			break;
+		if (section == DNS_SECTION_ANSWER) {
+			dns_rdataset_t *tset = NULL;
+			if (dns_message_findtype(name, dns_rdatatype_cname, 0,
+						 &tset) == ISC_R_SUCCESS
+			    ||
+			    dns_message_findtype(name, dns_rdatatype_dname, 0,
+						 &tset) == ISC_R_SUCCESS
+			    )
+			{
+				seencname = ISC_TRUE;
+				break;
+			}
+		}
+
+		result = dns_message_nextname(rcvmsg, section);
+	}
+
+	if (soaset == NULL && !seencname) {
+		pass++;
+		goto lookforsoa;
+	}
+
+	if (seencname) {
+		droplabel = ISC_TRUE;
+		goto out;
+	}
+
+	result = process_soa(uctx, soaset, name);
+
+ out:
+	if (droplabel) {
+		result = dns_message_firstname(soaquery, DNS_SECTION_QUESTION);
+		INSIST(result == ISC_R_SUCCESS);
+		name = NULL;
+		dns_message_currentname(soaquery, DNS_SECTION_QUESTION, &name);
+		nlabels = dns_name_countlabels(name);
+		if (nlabels == 1)
+			result = DNS_R_SERVFAIL; /* is there a better error? */
+		else {
+			dns_name_init(&tname, NULL);
+			dns_name_getlabelsequence(name, 1, nlabels - 1,
+						  &tname);
+			dns_name_clone(&tname, name);
+			dns_request_destroy(&request);
+			LOCK(&uctx->lock);
+			uctx->soareq = NULL;
+			UNLOCK(&uctx->lock);
+			dns_message_renderreset(soaquery);
+			dns_message_settsigkey(soaquery, NULL);
+			result = dns_request_createvia3(uctx->view->requestmgr,
+							soaquery, NULL,
+							uctx->currentserver, 0,
+							uctx->tsigkey,
+							client->find_timeout *
+							20,
+							client->find_timeout,
+							3, client->task,
+							receive_soa, uctx,
+							&uctx->soareq);
+		}
+	}
+
+	if (!droplabel || result != ISC_R_SUCCESS) {
+		dns_message_destroy(&uctx->soaquery);
+		LOCK(&uctx->lock);
+		dns_request_destroy(&uctx->soareq);
+		UNLOCK(&uctx->lock);
+	}
+
+	if (rcvmsg != NULL)
+		dns_message_destroy(&rcvmsg);
+
+	if (result != ISC_R_SUCCESS)
+		update_sendevent(uctx, result);
+}
+
+static isc_result_t
+request_soa(updatectx_t *uctx) {
+	isc_result_t result;
+	dns_message_t *soaquery = uctx->soaquery;
+	dns_name_t *name = NULL;
+	dns_rdataset_t *rdataset = NULL;
+
+	if (soaquery == NULL) {
+		result = dns_message_create(uctx->client->mctx,
+					    DNS_MESSAGE_INTENTRENDER,
+					    &soaquery);
+		if (result != ISC_R_SUCCESS)
+			return (result);
+	}
+	soaquery->flags |= DNS_MESSAGEFLAG_RD;
+	result = dns_message_gettempname(soaquery, &name);
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+	result = dns_message_gettemprdataset(soaquery, &rdataset);
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+	dns_rdataset_makequestion(rdataset, uctx->rdclass, dns_rdatatype_soa);
+	dns_name_clone(uctx->firstname, name);
+	ISC_LIST_APPEND(name->list, rdataset, link);
+	dns_message_addname(soaquery, name, DNS_SECTION_QUESTION);
+	rdataset = NULL;
+	name = NULL;
+
+	result = dns_request_createvia3(uctx->view->requestmgr,
+					soaquery, NULL, uctx->currentserver, 0,
+					uctx->tsigkey,
+					uctx->client->find_timeout * 20,
+					uctx->client->find_timeout, 3,
+					uctx->client->task, receive_soa, uctx,
+					&uctx->soareq);
+	if (result == ISC_R_SUCCESS) {
+		uctx->soaquery = soaquery;
+		return (ISC_R_SUCCESS);
+	}
+
+ fail:
+	if (rdataset != NULL) {
+		ISC_LIST_UNLINK(name->list, rdataset, link); /* for safety */
+		dns_message_puttemprdataset(soaquery, &rdataset);
+	}
+	if (name != NULL)
+		dns_message_puttempname(soaquery, &name);
+	dns_message_destroy(&soaquery);
+
+	return (result);
+}
+
+static void
+resolvesoa_done(isc_task_t *task, isc_event_t *event) {
+	dns_clientresevent_t *rev = (dns_clientresevent_t *)event;
+	updatectx_t *uctx;
+	dns_name_t *name, tname;
+	dns_rdataset_t *rdataset = NULL;
+	isc_result_t result = rev->result;
+	unsigned int nlabels;
+
+	UNUSED(task);
+
+	uctx = event->ev_arg;
+	REQUIRE(UCTX_VALID(uctx));
+
+	LOCK(&uctx->lock);
+	dns_client_destroyrestrans(&uctx->restrans);
+	UNLOCK(&uctx->lock);
+
+	uctx = event->ev_arg;
+	if (result != ISC_R_SUCCESS &&
+	    result != DNS_R_NCACHENXDOMAIN &&
+	    result != DNS_R_NCACHENXRRSET) {
+		/* XXX: what about DNSSEC failure? */
+		goto out;
+	}
+
+	for (name = ISC_LIST_HEAD(rev->answerlist); name != NULL;
+	     name = ISC_LIST_NEXT(name, link)) {
+		for (rdataset = ISC_LIST_HEAD(name->list);
+		     rdataset != NULL;
+		     rdataset = ISC_LIST_NEXT(rdataset, link)) {
+			if (dns_rdataset_isassociated(rdataset) &&
+			    rdataset->type == dns_rdatatype_soa)
+				break;
+		}
+	}
+
+	if (rdataset == NULL) {
+		/* Drop one label and retry resolution. */
+		nlabels = dns_name_countlabels(&uctx->soaqname);
+		if (nlabels == 1) {
+			result = DNS_R_SERVFAIL; /* is there a better error? */
+			goto out;
+		}
+		dns_name_init(&tname, NULL);
+		dns_name_getlabelsequence(&uctx->soaqname, 1, nlabels - 1,
+					  &tname);
+		dns_name_clone(&tname, &uctx->soaqname);
+
+		result = dns_client_startresolve(uctx->client, &uctx->soaqname,
+						 uctx->rdclass,
+						 dns_rdatatype_soa, 0,
+						 uctx->client->task,
+						 resolvesoa_done, uctx,
+						 &uctx->restrans);
+	} else
+		result = process_soa(uctx, rdataset, &uctx->soaqname);
+
+ out:
+	dns_client_freeresanswer(uctx->client, &rev->answerlist);
+	isc_event_free(&event);
+
+	if (result != ISC_R_SUCCESS)
+		update_sendevent(uctx, result);
+}
+
+static isc_result_t
+copy_name(isc_mem_t *mctx, dns_message_t *msg, dns_name_t *name,
+	  dns_name_t **newnamep)
+{
+	isc_result_t result;
+	dns_name_t *newname = NULL;
+	isc_region_t r;
+	isc_buffer_t *namebuf = NULL, *rdatabuf = NULL;
+	dns_rdatalist_t *rdatalist;
+	dns_rdataset_t *rdataset, *newrdataset;
+	dns_rdata_t rdata = DNS_RDATA_INIT, *newrdata;
+
+	result = dns_message_gettempname(msg, &newname);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+	result = isc_buffer_allocate(mctx, &namebuf, DNS_NAME_MAXWIRE);
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+	dns_name_init(newname, NULL);
+	dns_name_setbuffer(newname, namebuf);
+	dns_message_takebuffer(msg, &namebuf);
+	result = dns_name_copy(name, newname, NULL);
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+
+	for (rdataset = ISC_LIST_HEAD(name->list); rdataset != NULL;
+	     rdataset = ISC_LIST_NEXT(rdataset, link)) {
+		rdatalist = NULL;
+		result = dns_message_gettemprdatalist(msg, &rdatalist);
+		if (result != ISC_R_SUCCESS)
+			goto fail;
+		dns_rdatalist_init(rdatalist);
+		rdatalist->type = rdataset->type;
+		rdatalist->rdclass = rdataset->rdclass;
+		rdatalist->covers = rdataset->covers;
+		rdatalist->ttl = rdataset->ttl;
+
+		result = dns_rdataset_first(rdataset);
+		while (result == ISC_R_SUCCESS) {
+			dns_rdata_reset(&rdata);
+			dns_rdataset_current(rdataset, &rdata);
+
+			newrdata = NULL;
+			result = dns_message_gettemprdata(msg, &newrdata);
+			if (result != ISC_R_SUCCESS)
+				goto fail;
+			dns_rdata_toregion(&rdata, &r);
+			rdatabuf = NULL;
+			result = isc_buffer_allocate(mctx, &rdatabuf,
+						     r.length);
+			if (result != ISC_R_SUCCESS)
+				goto fail;
+			isc_buffer_putmem(rdatabuf, r.base, r.length);
+			isc_buffer_usedregion(rdatabuf, &r);
+			dns_rdata_init(newrdata);
+			dns_rdata_fromregion(newrdata, rdata.rdclass,
+					     rdata.type, &r);
+			newrdata->flags = rdata.flags;
+
+			ISC_LIST_APPEND(rdatalist->rdata, newrdata, link);
+			dns_message_takebuffer(msg, &rdatabuf);
+
+			result = dns_rdataset_next(rdataset);
+		}
+
+		newrdataset = NULL;
+		result = dns_message_gettemprdataset(msg, &newrdataset);
+		if (result != ISC_R_SUCCESS)
+			goto fail;
+		dns_rdataset_init(newrdataset);
+		dns_rdatalist_tordataset(rdatalist, newrdataset);
+
+		ISC_LIST_APPEND(newname->list, newrdataset, link);
+	}
+
+	*newnamep = newname;
+
+	return (ISC_R_SUCCESS);
+
+ fail:
+	dns_message_puttempname(msg, &newname);
+
+	return (result);
+
+}
+
+static void
+internal_update_callback(isc_task_t *task, isc_event_t *event) {
+	updatearg_t *uarg = event->ev_arg;
+	dns_clientupdateevent_t *uev = (dns_clientupdateevent_t *)event;
+
+	UNUSED(task);
+
+	LOCK(&uarg->lock);
+
+	uarg->result = uev->result;
+
+	dns_client_destroyupdatetrans(&uarg->trans);
+	isc_event_free(&event);
+
+	if (!uarg->canceled) {
+		UNLOCK(&uarg->lock);
+
+		/* Exit from the internal event loop */
+		isc_app_ctxsuspend(uarg->actx);
+	} else {
+		/*
+		 * We have already exited from the loop (due to some
+		 * unexpected event).  Just clean the arg up.
+		 */
+		UNLOCK(&uarg->lock);
+		DESTROYLOCK(&uarg->lock);
+		isc_mem_put(uarg->client->mctx, uarg, sizeof(*uarg));
+	}
+}
+
+isc_result_t
+dns_client_update(dns_client_t *client, dns_rdataclass_t rdclass,
+		  dns_name_t *zonename, dns_namelist_t *prerequisites,
+		  dns_namelist_t *updates, isc_sockaddrlist_t *servers,
+		  dns_tsec_t *tsec, unsigned int options)
+{
+	isc_result_t result;
+	isc_appctx_t *actx;
+	updatearg_t *uarg;
+
+	REQUIRE(DNS_CLIENT_VALID(client));
+
+	if ((client->attributes & DNS_CLIENTATTR_OWNCTX) == 0 &&
+	    (options & DNS_CLIENTRESOPT_ALLOWRUN) == 0) {
+		/*
+		 * If the client is run under application's control, we need
+		 * to create a new running (sub)environment for this
+		 * particular resolution.
+		 */
+		return (ISC_R_NOTIMPLEMENTED); /* XXXTBD */
+	} else
+		actx = client->actx;
+
+	uarg = isc_mem_get(client->mctx, sizeof(*uarg));
+	if (uarg == NULL)
+		return (ISC_R_NOMEMORY);
+
+	result = isc_mutex_init(&uarg->lock);
+	if (result != ISC_R_SUCCESS) {
+		isc_mem_put(client->mctx, uarg, sizeof(*uarg));
+		return (result);
+	}
+
+	uarg->actx = actx;
+	uarg->client = client;
+	uarg->result = ISC_R_FAILURE;
+	uarg->trans = NULL;
+	uarg->canceled = ISC_FALSE;
+
+	result = dns_client_startupdate(client, rdclass, zonename,
+					prerequisites, updates, servers,
+					tsec, options, client->task,
+					internal_update_callback, uarg,
+					&uarg->trans);
+	if (result != ISC_R_SUCCESS) {
+		DESTROYLOCK(&uarg->lock);
+		isc_mem_put(client->mctx, uarg, sizeof(*uarg));
+		return (result);
+	}
+
+	/*
+	 * Start internal event loop.  It blocks until the entire process
+	 * is completed.
+	 */
+	result = isc_app_ctxrun(actx);
+
+	LOCK(&uarg->lock);
+	if (result == ISC_R_SUCCESS || result == ISC_R_SUSPEND)
+		result = uarg->result;
+
+	if (uarg->trans != NULL) {
+		/*
+		 * Unusual termination (perhaps due to signal).  We need some
+		 * tricky cleanup process.
+		 */
+		uarg->canceled = ISC_TRUE;
+		dns_client_cancelupdate(uarg->trans);
+
+		UNLOCK(&uarg->lock);
+
+		/* uarg will be freed in the event handler. */
+	} else {
+		UNLOCK(&uarg->lock);
+
+		DESTROYLOCK(&uarg->lock);
+		isc_mem_put(client->mctx, uarg, sizeof(*uarg));
+	}
+
+	return (result);
+}
+
+isc_result_t
+dns_client_startupdate(dns_client_t *client, dns_rdataclass_t rdclass,
+		       dns_name_t *zonename, dns_namelist_t *prerequisites,
+		       dns_namelist_t *updates, isc_sockaddrlist_t *servers,
+		       dns_tsec_t *tsec, unsigned int options,
+		       isc_task_t *task, isc_taskaction_t action, void *arg,
+		       dns_clientupdatetrans_t **transp)
+{
+	dns_view_t *view = NULL;
+	isc_result_t result;
+	dns_name_t *name, *newname;
+	updatectx_t *uctx;
+	isc_task_t *clone = NULL;
+	dns_section_t section = DNS_SECTION_UPDATE;
+	isc_sockaddr_t *server, *sa = NULL;
+	dns_tsectype_t tsectype = dns_tsectype_none;
+
+	UNUSED(options);
+
+	REQUIRE(DNS_CLIENT_VALID(client));
+	REQUIRE(transp != NULL && *transp == NULL);
+	REQUIRE(updates != NULL);
+	REQUIRE(task != NULL);
+
+	if (tsec != NULL) {
+		tsectype = dns_tsec_gettype(tsec);
+		if (tsectype != dns_tsectype_tsig)
+			return (ISC_R_NOTIMPLEMENTED); /* XXX */
+	}
+
+	LOCK(&client->lock);
+	result = dns_viewlist_find(&client->viewlist, DNS_CLIENTVIEW_NAME,
+				   rdclass, &view);
+	UNLOCK(&client->lock);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+
+	/* Create a context and prepare some resources */
+	uctx = isc_mem_get(client->mctx, sizeof(*uctx));
+	if (uctx == NULL) {
+		dns_view_detach(&view);
+		return (ISC_R_NOMEMORY);
+	}
+	result = isc_mutex_init(&uctx->lock);
+	if (result != ISC_R_SUCCESS) {
+		dns_view_detach(&view);
+		isc_mem_put(client->mctx, uctx, sizeof(*uctx));
+		return (ISC_R_NOMEMORY);
+	}
+	clone = NULL;
+	isc_task_attach(task, &clone);
+	uctx->client = client;
+	ISC_LINK_INIT(uctx, link);
+	uctx->state = dns_clientupdatestate_prepare;
+	uctx->view = view;
+	uctx->rdclass = rdclass;
+	uctx->canceled = ISC_FALSE;
+	uctx->updatemsg = NULL;
+	uctx->soaquery = NULL;
+	uctx->updatereq = NULL;
+	uctx->restrans = NULL;
+	uctx->restrans2 = NULL;
+	uctx->bp4 = NULL;
+	uctx->bp6 = NULL;
+	uctx->soareq = NULL;
+	uctx->event = NULL;
+	uctx->tsigkey = NULL;
+	uctx->sig0key = NULL;
+	uctx->zonename = NULL;
+	dns_name_init(&uctx->soaqname, NULL);
+	ISC_LIST_INIT(uctx->servers);
+	uctx->nservers = 0;
+	uctx->currentserver = NULL;
+	dns_fixedname_init(&uctx->zonefname);
+	if (tsec != NULL)
+		dns_tsec_getkey(tsec, &uctx->tsigkey);
+	uctx->event = (dns_clientupdateevent_t *)
+		isc_event_allocate(client->mctx, clone, DNS_EVENT_UPDATEDONE,
+				   action, arg, sizeof(*uctx->event));
+	if (uctx->event == NULL)
+		goto fail;
+	if (zonename != NULL) {
+		uctx->zonename = dns_fixedname_name(&uctx->zonefname);
+		result = dns_name_copy(zonename, uctx->zonename, NULL);
+	}
+	if (servers != NULL) {
+		for (server = ISC_LIST_HEAD(*servers);
+		     server != NULL;
+		     server = ISC_LIST_NEXT(server, link)) {
+			sa = isc_mem_get(client->mctx, sizeof(*sa));
+			if (sa == NULL)
+				goto fail;
+			sa->type = server->type;
+			sa->length = server->length;
+			ISC_LINK_INIT(sa, link);
+			ISC_LIST_APPEND(uctx->servers, sa, link);
+			if (uctx->currentserver == NULL)
+				uctx->currentserver = sa;
+			uctx->nservers++;
+		}
+	}
+
+	/* Make update message */
+	result = dns_message_create(client->mctx, DNS_MESSAGE_INTENTRENDER,
+				    &uctx->updatemsg);
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+	uctx->updatemsg->opcode = dns_opcode_update;
+
+	if (prerequisites != NULL) {
+		for (name = ISC_LIST_HEAD(*prerequisites); name != NULL;
+		     name = ISC_LIST_NEXT(name, link)) {
+			newname = NULL;
+			result = copy_name(client->mctx, uctx->updatemsg,
+					   name, &newname);
+			if (result != ISC_R_SUCCESS)
+				goto fail;
+			dns_message_addname(uctx->updatemsg, newname,
+					    DNS_SECTION_PREREQUISITE);
+		}
+	}
+
+	for (name = ISC_LIST_HEAD(*updates); name != NULL;
+	     name = ISC_LIST_NEXT(name, link)) {
+		newname = NULL;
+		result = copy_name(client->mctx, uctx->updatemsg, name,
+				   &newname);
+		if (result != ISC_R_SUCCESS)
+			goto fail;
+		dns_message_addname(uctx->updatemsg, newname,
+				    DNS_SECTION_UPDATE);
+	}
+
+	uctx->firstname = NULL;
+	result = dns_message_firstname(uctx->updatemsg, section);
+	if (result == ISC_R_NOMORE) {
+		section = DNS_SECTION_PREREQUISITE;
+		result = dns_message_firstname(uctx->updatemsg, section);
+	}
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+	dns_message_currentname(uctx->updatemsg, section, &uctx->firstname);
+
+	uctx->magic = UCTX_MAGIC;
+
+	LOCK(&client->lock);
+	ISC_LIST_APPEND(client->updatectxs, uctx, link);
+	UNLOCK(&client->lock);
+
+	if (uctx->zonename != NULL && uctx->currentserver != NULL) {
+		result = send_update(uctx);
+		if (result != ISC_R_SUCCESS)
+			goto fail;
+	} else if (uctx->currentserver != NULL) {
+		result = request_soa(uctx);
+		if (result != ISC_R_SUCCESS)
+			goto fail;
+	} else {
+		dns_name_clone(uctx->firstname, &uctx->soaqname);
+		result = dns_client_startresolve(uctx->client, &uctx->soaqname,
+						 uctx->rdclass,
+						 dns_rdatatype_soa, 0,
+						 client->task, resolvesoa_done,
+						 uctx, &uctx->restrans);
+		if (result != ISC_R_SUCCESS)
+			goto fail;
+	}
+
+	*transp = (dns_clientupdatetrans_t *)uctx;
+
+	return (ISC_R_SUCCESS);
+
+ fail:
+	if (ISC_LINK_LINKED(uctx, link)) {
+		LOCK(&client->lock);
+		ISC_LIST_UNLINK(client->updatectxs, uctx, link);
+		UNLOCK(&client->lock);
+	}
+	if (uctx->updatemsg != NULL)
+		dns_message_destroy(&uctx->updatemsg);
+	while ((sa = ISC_LIST_HEAD(uctx->servers)) != NULL) {
+		ISC_LIST_UNLINK(uctx->servers, sa, link);
+		isc_mem_put(client->mctx, sa, sizeof(*sa));
+	}
+	if (uctx->event != NULL)
+		isc_event_free(ISC_EVENT_PTR(&uctx->event));
+	if (uctx->tsigkey != NULL)
+		dns_tsigkey_detach(&uctx->tsigkey);
+	isc_task_detach(&clone);
+	DESTROYLOCK(&uctx->lock);
+	uctx->magic = 0;
+	isc_mem_put(client->mctx, uctx, sizeof(*uctx));
+	dns_view_detach(&view);
+
+	return (result);
+}
+
+void
+dns_client_cancelupdate(dns_clientupdatetrans_t *trans) {
+	updatectx_t *uctx;
+
+	REQUIRE(trans != NULL);
+	uctx = (updatectx_t *)trans;
+	REQUIRE(UCTX_VALID(uctx));
+
+	LOCK(&uctx->lock);
+
+	if (!uctx->canceled) {
+		uctx->canceled = ISC_TRUE;
+		if (uctx->updatereq != NULL)
+			dns_request_cancel(uctx->updatereq);
+		if (uctx->soareq != NULL)
+			dns_request_cancel(uctx->soareq);
+		if (uctx->restrans != NULL)
+			dns_client_cancelresolve(uctx->restrans);
+		if (uctx->restrans2 != NULL)
+			dns_client_cancelresolve(uctx->restrans2);
+	}
+
+	UNLOCK(&uctx->lock);
+}
+
+void
+dns_client_destroyupdatetrans(dns_clientupdatetrans_t **transp) {
+	updatectx_t *uctx;
+	isc_mem_t *mctx;
+	dns_client_t *client;
+	isc_boolean_t need_destroyclient = ISC_FALSE;
+	isc_sockaddr_t *sa;
+
+	REQUIRE(transp != NULL);
+	uctx = (updatectx_t *)*transp;
+	REQUIRE(UCTX_VALID(uctx));
+	client = uctx->client;
+	REQUIRE(DNS_CLIENT_VALID(client));
+	REQUIRE(uctx->updatereq == NULL && uctx->updatemsg == NULL &&
+		uctx->soareq == NULL && uctx->soaquery == NULL &&
+		uctx->event == NULL && uctx->tsigkey == NULL &&
+		uctx->sig0key == NULL);
+
+	mctx = client->mctx;
+	dns_view_detach(&uctx->view);
+	while ((sa = ISC_LIST_HEAD(uctx->servers)) != NULL) {
+		ISC_LIST_UNLINK(uctx->servers, sa, link);
+		isc_mem_put(mctx, sa, sizeof(*sa));
+	}
+
+	LOCK(&client->lock);
+
+	INSIST(ISC_LINK_LINKED(uctx, link));
+	ISC_LIST_UNLINK(client->updatectxs, uctx, link);
+
+	if (client->references == 0 && ISC_LIST_EMPTY(client->resctxs) &&
+	    ISC_LIST_EMPTY(client->reqctxs) &&
+	    ISC_LIST_EMPTY(client->updatectxs))
+		need_destroyclient = ISC_TRUE;
+
+	UNLOCK(&client->lock);
+
+	DESTROYLOCK(&uctx->lock);
+	uctx->magic = 0;
+
+	isc_mem_put(mctx, uctx, sizeof(*uctx));
+
+	if (need_destroyclient)
+		destroyclient(&client);
+
+	*transp = NULL;
+}
+
+isc_mem_t *
+dns_client_mctx(dns_client_t *client) {
+
+	REQUIRE(DNS_CLIENT_VALID(client));
+	return (client->mctx);
+}
+
+typedef struct {
+	isc_buffer_t 	buffer;
+	dns_rdataset_t	rdataset;
+	dns_rdatalist_t	rdatalist;
+	dns_rdata_t	rdata;
+	size_t		size;
+	isc_mem_t *	mctx;
+	unsigned char	data[FLEXIBLE_ARRAY_MEMBER];
+} dns_client_updaterec_t;
+
+isc_result_t
+dns_client_updaterec(dns_client_updateop_t op, dns_name_t *owner,
+		     dns_rdatatype_t type, dns_rdata_t *source,
+		     dns_ttl_t ttl, dns_name_t *target,
+		     dns_rdataset_t *rdataset, dns_rdatalist_t *rdatalist,
+		     dns_rdata_t *rdata, isc_mem_t *mctx)
+{
+	dns_client_updaterec_t *updaterec = NULL;
+	size_t size = offsetof(dns_client_updaterec_t, data);
+
+	REQUIRE(op < updateop_max);
+	REQUIRE(owner != NULL);
+	REQUIRE((rdataset != NULL && rdatalist != NULL && rdata != NULL) ||
+		(rdataset == NULL && rdatalist == NULL && rdata == NULL &&
+		 mctx != NULL));
+	if (op == updateop_add)
+		REQUIRE(source != NULL);
+	if (source != NULL) {
+		REQUIRE(source->type == type);
+		REQUIRE(op == updateop_add || op == updateop_delete ||
+			op == updateop_exist);
+	}
+
+	size += owner->length;
+	if (source != NULL)
+		size += source->length;
+
+	if (rdataset == NULL) {
+		updaterec = isc_mem_get(mctx, size);
+		if (updaterec == NULL)
+			return (ISC_R_NOMEMORY);
+		rdataset = &updaterec->rdataset;
+		rdatalist = &updaterec->rdatalist;
+		rdata = &updaterec->rdata;
+		dns_rdataset_init(rdataset);
+		dns_rdatalist_init(&updaterec->rdatalist);
+		dns_rdata_init(&updaterec->rdata);
+		isc_buffer_init(&updaterec->buffer, updaterec->data,
+				size - offsetof(dns_client_updaterec_t, data));
+		dns_name_copy(owner, target, &updaterec->buffer);
+		if (source != NULL) {
+			isc_region_t r;
+			dns_rdata_clone(source, rdata);
+			dns_rdata_toregion(rdata, &r);
+			rdata->data = isc_buffer_used(&updaterec->buffer);
+			isc_buffer_copyregion(&updaterec->buffer, &r);
+		}
+		updaterec->mctx = NULL;
+		isc_mem_attach(mctx, &updaterec->mctx);
+	} else if (source != NULL)
+		dns_rdata_clone(source, rdata);
+
+	switch (op) {
+	case updateop_add:
+		break;
+	case updateop_delete:
+		if (source != NULL) {
+			ttl = 0;
+			dns_rdata_makedelete(rdata);
+		} else
+			dns_rdata_deleterrset(rdata, type);
+		break;
+	case updateop_notexist:
+		dns_rdata_notexist(rdata, type);
+		break;
+	case updateop_exist:
+		if (source == NULL) {
+			ttl = 0;
+			dns_rdata_exists(rdata, type);
+		}
+	case updateop_none:
+		break;
+	default:
+		INSIST(0);
+	}
+
+	rdatalist->type = rdata->type;
+	rdatalist->rdclass = rdata->rdclass;
+	if (source != NULL) {
+		rdatalist->covers = dns_rdata_covers(rdata);
+		rdatalist->ttl = ttl;
+	}
+	ISC_LIST_APPEND(rdatalist->rdata, rdata, link);
+	dns_rdatalist_tordataset(rdatalist, rdataset);
+	ISC_LIST_APPEND(target->list, rdataset, link);
+	if (updaterec != NULL) {
+		target->attributes |= DNS_NAMEATTR_HASUPDATEREC;
+		dns_name_setbuffer(target, &updaterec->buffer);
+	}
+	if (op == updateop_add || op == updateop_delete)
+		target->attributes |= DNS_NAMEATTR_UPDATE;
+	else
+		target->attributes |= DNS_NAMEATTR_PREREQUISITE;
+	return (ISC_R_SUCCESS);
+}
+
+void
+dns_client_freeupdate(dns_name_t **namep) {
+	dns_client_updaterec_t *updaterec;
+	dns_rdatalist_t *rdatalist;
+	dns_rdataset_t *rdataset;
+	dns_rdata_t *rdata;
+	dns_name_t *name;
+
+	REQUIRE(namep != NULL && *namep != NULL);
+
+	name = *namep;
+	for (rdataset = ISC_LIST_HEAD(name->list);
+	     rdataset != NULL;
+	     rdataset = ISC_LIST_HEAD(name->list)) {
+		ISC_LIST_UNLINK(name->list, rdataset, link);
+		rdatalist = NULL;
+		dns_rdatalist_fromrdataset(rdataset, &rdatalist);
+		if (rdatalist == NULL) {
+			dns_rdataset_disassociate(rdataset);
+			continue;
+		}
+		for (rdata = ISC_LIST_HEAD(rdatalist->rdata);
+		     rdata != NULL;
+		     rdata = ISC_LIST_HEAD(rdatalist->rdata))
+			ISC_LIST_UNLINK(rdatalist->rdata, rdata, link);
+		dns_rdataset_disassociate(rdataset);
+	}
+
+	if ((name->attributes & DNS_NAMEATTR_HASUPDATEREC) != 0) {
+		updaterec = (dns_client_updaterec_t *)name->buffer;
+		INSIST(updaterec != NULL);
+		isc_mem_putanddetach(&updaterec->mctx, updaterec,
+				     updaterec->size);
+		*namep = NULL;
+	}
+}
diff --git a/lib/dns/db.c b/lib/dns/db.c
index f52f674..c74d24d 100644
--- a/lib/dns/db.c
+++ b/lib/dns/db.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007-2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007-2009, 2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001, 2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: db.c,v 1.88.50.2 2009-06-23 00:19:34 tbox Exp $ */
+/* $Id: db.c,v 1.97 2011-01-13 04:59:25 tbox Exp $ */
 
 /*! \file */
 
@@ -34,10 +34,12 @@
 
 #include 
 #include 
+#include 
 #include 
 #include 
 #include 
 #include 
+#include 
 #include 
 
 /***
@@ -61,14 +63,18 @@ struct dns_dbimplementation {
  */
 
 #include "rbtdb.h"
+#ifdef BIND9
 #include "rbtdb64.h"
+#endif
 
 static ISC_LIST(dns_dbimplementation_t) implementations;
 static isc_rwlock_t implock;
 static isc_once_t once = ISC_ONCE_INIT;
 
 static dns_dbimplementation_t rbtimp;
+#ifdef BIND9
 static dns_dbimplementation_t rbt64imp;
+#endif
 
 static void
 initialize(void) {
@@ -80,15 +86,19 @@ initialize(void) {
 	rbtimp.driverarg = NULL;
 	ISC_LINK_INIT(&rbtimp, link);
 
+#ifdef BIND9
 	rbt64imp.name = "rbt64";
 	rbt64imp.create = dns_rbtdb64_create;
 	rbt64imp.mctx = NULL;
 	rbt64imp.driverarg = NULL;
 	ISC_LINK_INIT(&rbt64imp, link);
+#endif
 
 	ISC_LIST_INIT(implementations);
 	ISC_LIST_APPEND(implementations, &rbtimp, link);
+#ifdef BIND9
 	ISC_LIST_APPEND(implementations, &rbt64imp, link);
+#endif
 }
 
 static inline dns_dbimplementation_t *
@@ -290,6 +300,7 @@ dns_db_class(dns_db_t *db) {
 	return (db->rdclass);
 }
 
+#ifdef BIND9
 isc_result_t
 dns_db_beginload(dns_db_t *db, dns_addrdatasetfunc_t *addp,
 		 dns_dbload_t **dbloadp) {
@@ -318,14 +329,19 @@ dns_db_endload(dns_db_t *db, dns_dbload_t **dbloadp) {
 
 isc_result_t
 dns_db_load(dns_db_t *db, const char *filename) {
-	return (dns_db_load2(db, filename, dns_masterformat_text));
+	return (dns_db_load3(db, filename, dns_masterformat_text, 0));
 }
 
 isc_result_t
 dns_db_load2(dns_db_t *db, const char *filename, dns_masterformat_t format) {
+	return (dns_db_load3(db, filename, format, 0));
+}
+
+isc_result_t
+dns_db_load3(dns_db_t *db, const char *filename, dns_masterformat_t format,
+	     unsigned int options) {
 	isc_result_t result, eresult;
 	dns_rdatacallbacks_t callbacks;
-	unsigned int options = 0;
 
 	/*
 	 * Load master file 'filename' into 'db'.
@@ -376,6 +392,7 @@ dns_db_dump2(dns_db_t *db, dns_dbversion_t *version, const char *filename,
 
 	return ((db->methods->dump)(db, version, filename, masterformat));
 }
+#endif /* BIND9 */
 
 /***
  *** Version Methods
@@ -921,8 +938,27 @@ dns_db_getsigningtime(dns_db_t *db, dns_rdataset_t *rdataset, dns_name_t *name)
 }
 
 void
-dns_db_resigned(dns_db_t *db, dns_rdataset_t *rdataset, dns_dbversion_t *version)
+dns_db_resigned(dns_db_t *db, dns_rdataset_t *rdataset,
+		dns_dbversion_t *version)
 {
 	if (db->methods->resigned != NULL)
 		(db->methods->resigned)(db, rdataset, version);
 }
+
+void
+dns_db_rpz_enabled(dns_db_t *db, dns_rpz_st_t *st)
+{
+	if (db->methods->rpz_enabled != NULL)
+		(db->methods->rpz_enabled)(db, st);
+}
+
+isc_result_t
+dns_db_rpz_findips(dns_rpz_zone_t *rpz, dns_rpz_type_t rpz_type,
+		   dns_zone_t *zone, dns_db_t *db, dns_dbversion_t *version,
+		   dns_rdataset_t *ardataset, dns_rpz_st_t *st)
+{
+	if (db->methods->rpz_findips == NULL)
+		return (ISC_R_NOTIMPLEMENTED);
+	return ((db->methods->rpz_findips)(rpz, rpz_type, zone, db, version,
+					   ardataset, st));
+}
diff --git a/lib/dns/diff.c b/lib/dns/diff.c
index a92a496..3dbb5cf 100644
--- a/lib/dns/diff.c
+++ b/lib/dns/diff.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: diff.c,v 1.18.50.2 2009-01-05 23:47:22 tbox Exp $ */
+/* $Id: diff.c,v 1.23 2009-12-01 00:47:09 each Exp $ */
 
 /*! \file */
 
@@ -387,10 +387,22 @@ diff_apply(dns_diff_t *diff, dns_db_t *db, dns_dbversion_t *ver,
 				 * from a server that is not as careful.
 				 * Issue a warning and continue.
 				 */
-				if (warn)
+				if (warn) {
+					char classbuf[DNS_RDATATYPE_FORMATSIZE];
+					char namebuf[DNS_NAME_FORMATSIZE];
+
+					dns_name_format(dns_db_origin(db),
+							namebuf,
+							sizeof(namebuf));
+					dns_rdataclass_format(dns_db_class(db),
+							      classbuf,
+							      sizeof(classbuf));
 					isc_log_write(DIFF_COMMON_LOGARGS,
 						      ISC_LOG_WARNING,
-						      "update with no effect");
+						      "%s/%s: dns_diff_apply: "
+						      "update with no effect",
+						      namebuf, classbuf);
+				}
 			} else if (result == DNS_R_NXRRSET) {
 				/*
 				 * OK.
@@ -478,6 +490,7 @@ dns_diff_load(dns_diff_t *diff, dns_addrdatasetfunc_t addfunc,
 			if (result == DNS_R_UNCHANGED) {
 				isc_log_write(DIFF_COMMON_LOGARGS,
 					      ISC_LOG_WARNING,
+					      "dns_diff_load: "
 					      "update with no effect");
 			} else if (result == ISC_R_SUCCESS ||
 				   result == DNS_R_NXRRSET) {
diff --git a/lib/dns/dispatch.c b/lib/dns/dispatch.c
index 632d349..c074911 100644
--- a/lib/dns/dispatch.c
+++ b/lib/dns/dispatch.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2009, 2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: dispatch.c,v 1.155.12.11 2009-12-02 23:26:28 marka Exp $ */
+/* $Id: dispatch.c,v 1.168.248.1.2.1 2011-06-02 23:47:34 tbox Exp $ */
 
 /*! \file */
 
@@ -417,7 +417,7 @@ request_log(dns_dispatch_t *disp, dns_dispentry_t *resp,
 
 /*%
  * ARC4 random number generator derived from OpenBSD.
- * Only dispatch_arc4random() and dispatch_arc4uniformrandom() are expected
+ * Only dispatch_random() and dispatch_uniformrandom() are expected
  * to be called from general dispatch routines; the rest of them are subroutines
  * for these two.
  *
@@ -437,8 +437,11 @@ request_log(dns_dispatch_t *disp, dns_dispentry_t *resp,
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
+#ifdef BIND9
 static void
-dispatch_arc4init(arc4ctx_t *actx, isc_entropy_t *entropy, isc_mutex_t *lock) {
+dispatch_initrandom(arc4ctx_t *actx, isc_entropy_t *entropy,
+		    isc_mutex_t *lock)
+{
 	int n;
 	for (n = 0; n < 256; n++)
 		actx->s[n] = n;
@@ -527,7 +530,7 @@ dispatch_arc4stir(arc4ctx_t *actx) {
 }
 
 static isc_uint16_t
-dispatch_arc4random(arc4ctx_t *actx) {
+dispatch_random(arc4ctx_t *actx) {
 	isc_uint16_t result;
 
 	if (actx->lock != NULL)
@@ -543,9 +546,38 @@ dispatch_arc4random(arc4ctx_t *actx) {
 
 	return (result);
 }
+#else
+/*
+ * For general purpose library, we don't have to be too strict about the
+ * quality of random values.  Performance doesn't matter much, either.
+ * So we simply use the isc_random module to keep the library as small as
+ * possible.
+ */
+
+static void
+dispatch_initrandom(arc4ctx_t *actx, isc_entropy_t *entropy,
+		    isc_mutex_t *lock)
+{
+	UNUSED(actx);
+	UNUSED(entropy);
+	UNUSED(lock);
+
+	return;
+}
 
 static isc_uint16_t
-dispatch_arc4uniformrandom(arc4ctx_t *actx, isc_uint16_t upper_bound) {
+dispatch_random(arc4ctx_t *actx) {
+	isc_uint32_t r;
+
+	UNUSED(actx);
+
+	isc_random_get(&r);
+	return (r & 0xffff);
+}
+#endif	/* BIND9 */
+
+static isc_uint16_t
+dispatch_uniformrandom(arc4ctx_t *actx, isc_uint16_t upper_bound) {
 	isc_uint16_t min, r;
 
 	if (upper_bound < 2)
@@ -568,7 +600,7 @@ dispatch_arc4uniformrandom(arc4ctx_t *actx, isc_uint16_t upper_bound) {
 	 * to re-roll.
 	 */
 	for (;;) {
-		r = dispatch_arc4random(actx);
+		r = dispatch_random(actx);
 		if (r >= min)
 			break;
 	}
@@ -859,7 +891,7 @@ get_dispsocket(dns_dispatch_t *disp, isc_sockaddr_t *dest,
 	 */
 	localaddr = disp->local;
 	for (i = 0; i < 64; i++) {
-		port = ports[dispatch_arc4uniformrandom(DISP_ARC4CTX(disp),
+		port = ports[dispatch_uniformrandom(DISP_ARC4CTX(disp),
 							nports)];
 		isc_sockaddr_setport(&localaddr, port);
 
@@ -964,6 +996,7 @@ deactivate_dispsocket(dns_dispatch_t *disp, dispsocket_t *dispsock) {
 	INSIST(dispsock->portentry != NULL);
 	deref_portentry(disp, &dispsock->portentry);
 
+#ifdef BIND9
 	if (disp->nsockets > DNS_DISPATCH_POOLSOCKS)
 		destroy_dispsocket(disp, &dispsock);
 	else {
@@ -987,6 +1020,13 @@ deactivate_dispsocket(dns_dispatch_t *disp, dispsocket_t *dispsock) {
 			destroy_dispsocket(disp, &dispsock);
 		}
 	}
+#else
+	/* This kind of optimization isn't necessary for normal use */
+	UNUSED(qid);
+	UNUSED(result);
+
+	destroy_dispsocket(disp, &dispsock);
+#endif
 }
 
 /*
@@ -1707,13 +1747,17 @@ destroy_mgr(dns_dispatchmgr_t **mgrp) {
 	isc_mempool_destroy(&mgr->epool);
 	isc_mempool_destroy(&mgr->rpool);
 	isc_mempool_destroy(&mgr->dpool);
-	isc_mempool_destroy(&mgr->bpool);
-	isc_mempool_destroy(&mgr->spool);
+	if (mgr->bpool != NULL)
+		isc_mempool_destroy(&mgr->bpool);
+	if (mgr->spool != NULL)
+		isc_mempool_destroy(&mgr->spool);
 
 	DESTROYLOCK(&mgr->pool_lock);
 
+#ifdef BIND9
 	if (mgr->entropy != NULL)
 		isc_entropy_detach(&mgr->entropy);
+#endif /* BIND9 */
 	if (mgr->qid != NULL)
 		qid_destroy(mctx, &mgr->qid);
 
@@ -1752,9 +1796,13 @@ open_socket(isc_socketmgr_t *mgr, isc_sockaddr_t *local,
 			return (result);
 		isc_socket_setname(sock, "dispatcher", NULL);
 	} else {
+#ifdef BIND9
 		result = isc_socket_open(sock);
 		if (result != ISC_R_SUCCESS)
 			return (result);
+#else
+		INSIST(0);
+#endif
 	}
 
 #ifndef ISC_ALLOW_MAPPED
@@ -1764,8 +1812,13 @@ open_socket(isc_socketmgr_t *mgr, isc_sockaddr_t *local,
 	if (result != ISC_R_SUCCESS) {
 		if (*sockp == NULL)
 			isc_socket_detach(&sock);
-		else
+		else {
+#ifdef BIND9
 			isc_socket_close(sock);
+#else
+			INSIST(0);
+#endif
+		}
 		return (result);
 	}
 
@@ -1897,10 +1950,14 @@ dns_dispatchmgr_create(isc_mem_t *mctx, isc_entropy_t *entropy,
 	if (result != ISC_R_SUCCESS)
 		goto kill_dpool;
 
+#ifdef BIND9
 	if (entropy != NULL)
 		isc_entropy_attach(entropy, &mgr->entropy);
+#else
+	UNUSED(entropy);
+#endif
 
-	dispatch_arc4init(&mgr->arc4ctx, mgr->entropy, &mgr->arc4_lock);
+	dispatch_initrandom(&mgr->arc4ctx, mgr->entropy, &mgr->arc4_lock);
 
 	*mgrp = mgr;
 	return (ISC_R_SUCCESS);
@@ -2411,7 +2468,7 @@ dispatch_allocate(dns_dispatchmgr_t *mgr, unsigned int maxrequests,
 	ISC_LIST_INIT(disp->activesockets);
 	ISC_LIST_INIT(disp->inactivesockets);
 	disp->nsockets = 0;
-	dispatch_arc4init(&disp->arc4ctx, mgr->entropy, NULL);
+	dispatch_initrandom(&disp->arc4ctx, mgr->entropy, NULL);
 	disp->port_table = NULL;
 	disp->portpool = NULL;
 
@@ -2708,7 +2765,7 @@ get_udpsocket(dns_dispatchmgr_t *mgr, dns_dispatch_t *disp,
 		for (i = 0; i < 1024; i++) {
 			in_port_t prt;
 
-			prt = ports[dispatch_arc4uniformrandom(
+			prt = ports[dispatch_uniformrandom(
 					DISP_ARC4CTX(disp),
 					nports)];
 			isc_sockaddr_setport(&localaddr_bound, prt);
@@ -2844,8 +2901,10 @@ dispatch_createudp(dns_dispatchmgr_t *mgr, isc_socketmgr_t *sockmgr,
 		disp->task[i] = NULL;
 		result = isc_task_create(taskmgr, 0, &disp->task[i]);
 		if (result != ISC_R_SUCCESS) {
-			while (--i >= 0)
-				isc_task_destroy(&disp->task[i]);
+			while (--i >= 0) {
+				isc_task_shutdown(disp->task[i]);
+				isc_task_detach(&disp->task[i]);
+			}
 			goto kill_socket;
 		}
 		isc_task_setname(disp->task[i], "udpdispatch", disp);
@@ -3045,7 +3104,7 @@ dns_dispatch_addresponse2(dns_dispatch_t *disp, isc_sockaddr_t *dest,
 	/*
 	 * Try somewhat hard to find an unique ID.
 	 */
-	id = (dns_messageid_t)dispatch_arc4random(DISP_ARC4CTX(disp));
+	id = (dns_messageid_t)dispatch_random(DISP_ARC4CTX(disp));
 	bucket = dns_hash(qid, dest, id, localport);
 	ok = ISC_FALSE;
 	for (i = 0; i < 64; i++) {
diff --git a/lib/dns/dlz.c b/lib/dns/dlz.c
index f848230..5a508e9 100644
--- a/lib/dns/dlz.c
+++ b/lib/dns/dlz.c
@@ -1,5 +1,5 @@
 /*
- * Portions Copyright (C) 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (C) 2005, 2007, 2009, 2010  Internet Systems Consortium, Inc. ("ISC")
  * Portions Copyright (C) 1999-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -50,7 +50,7 @@
  * USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: dlz.c,v 1.5.332.2 2009-01-18 23:47:35 tbox Exp $ */
+/* $Id: dlz.c,v 1.10 2010-12-20 23:47:20 tbox Exp $ */
 
 /*! \file */
 
@@ -64,6 +64,8 @@
 #include 
 #include 
 #include 
+#include 
+#include 
 
 
 #include 
@@ -230,6 +232,12 @@ dns_dlzdestroy(dns_dlzdb_t **dbp) {
 	 */
 	REQUIRE(dbp != NULL && DNS_DLZ_VALID(*dbp));
 
+#ifdef BIND9
+	if ((*dbp)->ssutable != NULL) {
+		dns_ssutable_detach(&(*dbp)->ssutable);
+	}
+#endif
+
 	/* call the drivers destroy method */
 	if ((*dbp) != NULL) {
 		mctx = (*dbp)->mctx;
@@ -499,7 +507,7 @@ dns_dlzunregister(dns_dlzimplementation_t **dlzimp) {
 	mctx = dlz_imp->mctx;
 
 	/*
-	 * return the memory back to the available memory pool and
+	 * Return the memory back to the available memory pool and
 	 * remove it from the memory context.
 	 */
 	isc_mem_put(mctx, dlz_imp, sizeof(dns_dlzimplementation_t));
@@ -508,3 +516,143 @@ dns_dlzunregister(dns_dlzimplementation_t **dlzimp) {
 	/* Unlock the dlz_implementations list. */
 	RWUNLOCK(&dlz_implock, isc_rwlocktype_write);
 }
+
+#ifdef BIND9
+/*
+ * Create a writeable DLZ zone. This can be called by DLZ drivers
+ * during configure() to create a zone that can be updated. The zone
+ * type is set to dns_zone_dlz, which is equivalent to a master zone
+ *
+ * This function uses a callback setup in dns_dlzconfigure() to call
+ * into the server zone code to setup the remaining pieces of server
+ * specific functionality on the zone
+ */
+isc_result_t
+dns_dlz_writeablezone(dns_view_t *view, const char *zone_name) {
+	dns_zone_t *zone = NULL;
+	dns_zone_t *dupzone = NULL;
+	isc_result_t result;
+	isc_buffer_t buffer;
+	dns_fixedname_t fixorigin;
+	dns_name_t *origin;
+	dns_rdataclass_t zclass;
+	dns_dlzdb_t *dlzdatabase;
+
+	REQUIRE(DNS_DLZ_VALID(view->dlzdatabase));
+
+	dlzdatabase = view->dlzdatabase;
+
+	REQUIRE(dlzdatabase->configure_callback != NULL);
+
+	isc_buffer_init(&buffer, zone_name, strlen(zone_name));
+	isc_buffer_add(&buffer, strlen(zone_name));
+	dns_fixedname_init(&fixorigin);
+	result = dns_name_fromtext(dns_fixedname_name(&fixorigin),
+				   &buffer, dns_rootname, 0, NULL);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+	origin = dns_fixedname_name(&fixorigin);
+
+	zclass = view->rdclass;
+
+	/* See if the zone already exists */
+	result = dns_view_findzone(view, origin, &dupzone);
+	if (result == ISC_R_SUCCESS) {
+		dns_zone_detach(&dupzone);
+		result = ISC_R_EXISTS;
+		goto cleanup;
+	}
+	INSIST(dupzone == NULL);
+
+	/* Create it */
+	result = dns_zone_create(&zone, view->mctx);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+	result = dns_zone_setorigin(zone, origin);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+	dns_zone_setview(zone, view);
+
+	dns_zone_setadded(zone, ISC_TRUE);
+
+	if (dlzdatabase->ssutable == NULL) {
+		result = dns_ssutable_createdlz(dlzdatabase->mctx,
+						&dlzdatabase->ssutable,
+						view->dlzdatabase);
+		if (result != ISC_R_SUCCESS)
+			goto cleanup;
+	}
+	dns_zone_setssutable(zone, dlzdatabase->ssutable);
+
+	result = dlzdatabase->configure_callback(view, zone);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+
+	/*
+	 * Add the zone to its view in the new view list.
+	 */
+	result = dns_view_addzone(view, zone);
+
+	result = ISC_R_SUCCESS;
+
+ cleanup:
+	if (zone != NULL)
+		dns_zone_detach(&zone);
+
+	return (result);
+}
+#endif
+
+/*%
+ * Configure a DLZ driver. This is optional, and if supplied gives
+ * the backend an opportunity to configure parameters related to DLZ.
+ */
+isc_result_t
+dns_dlzconfigure(dns_view_t *view, isc_result_t (*callback)(dns_view_t *,
+		 dns_zone_t *))
+{
+	dns_dlzimplementation_t *impl;
+	dns_dlzdb_t *dlzdatabase;
+	isc_result_t result;
+
+	REQUIRE(view != NULL);
+	REQUIRE(DNS_DLZ_VALID(view->dlzdatabase));
+	REQUIRE(view->dlzdatabase->implementation != NULL);
+
+	dlzdatabase = view->dlzdatabase;
+	impl = dlzdatabase->implementation;
+
+	if (impl->methods->configure == NULL)
+		return (ISC_R_SUCCESS);
+
+	dlzdatabase->configure_callback = callback;
+
+	result = impl->methods->configure(impl->driverarg,
+					  dlzdatabase->dbdata, view);
+	return (result);
+}
+
+isc_boolean_t
+dns_dlz_ssumatch(dns_dlzdb_t *dlzdatabase,
+		  dns_name_t *signer, dns_name_t *name, isc_netaddr_t *tcpaddr,
+		  dns_rdatatype_t type, const dst_key_t *key)
+{
+	dns_dlzimplementation_t *impl;
+	isc_boolean_t r;
+
+	REQUIRE(dlzdatabase != NULL);
+	REQUIRE(dlzdatabase->implementation != NULL);
+	REQUIRE(dlzdatabase->implementation->methods != NULL);
+	impl = dlzdatabase->implementation;
+
+	if (impl->methods->ssumatch == NULL) {
+		isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE,
+			      DNS_LOGMODULE_DLZ, ISC_LOG_INFO,
+			      "No ssumatch method for DLZ database");
+		return (ISC_FALSE);
+	}
+
+	r = impl->methods->ssumatch(signer, name, tcpaddr, type, key,
+				    impl->driverarg, dlzdatabase->dbdata);
+	return (r);
+}
diff --git a/lib/dns/dns64.c b/lib/dns/dns64.c
new file mode 100644
index 0000000..180c0a9
--- /dev/null
+++ b/lib/dns/dns64.c
@@ -0,0 +1,299 @@
+/*
+ * Copyright (C) 2010  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: dns64.c,v 1.6 2010-12-09 04:59:09 marka Exp $ */
+
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+
+struct dns_dns64 {
+	unsigned char		bits[16];	/*
+						 * Prefix + suffix bits.
+						 */
+	dns_acl_t *		clients;	/*
+						 * Which clients get mapped
+						 * addresses.
+						 */
+	dns_acl_t *		mapped;		/*
+						 * IPv4 addresses to be mapped.
+						 */
+	dns_acl_t *		excluded;	/*
+						 * IPv6 addresses that are
+						 * treated as not existing.
+						 */
+	unsigned int		prefixlen;	/*
+						 * Start of mapped address.
+						 */
+	unsigned int		flags;
+	isc_mem_t *		mctx;
+	ISC_LINK(dns_dns64_t)	link;
+};
+
+isc_result_t
+dns_dns64_create(isc_mem_t *mctx, isc_netaddr_t *prefix,
+		 unsigned int prefixlen, isc_netaddr_t *suffix,
+		 dns_acl_t *clients, dns_acl_t *mapped, dns_acl_t *excluded,
+		 unsigned int flags, dns_dns64_t **dns64)
+{
+	dns_dns64_t *new;
+	unsigned int nbytes = 16;
+
+	REQUIRE(prefix != NULL && prefix->family == AF_INET6);
+	/* Legal prefix lengths from draft-ietf-behave-address-format-04. */
+	REQUIRE(prefixlen == 32 || prefixlen == 40 || prefixlen == 48 ||
+		prefixlen == 56 || prefixlen == 64 || prefixlen == 96);
+	REQUIRE(isc_netaddr_prefixok(prefix, prefixlen) == ISC_R_SUCCESS);
+	REQUIRE(dns64 != NULL && *dns64 == NULL);
+
+	if (suffix != NULL) {
+		static const unsigned char zeros[16];
+		REQUIRE(prefix->family == AF_INET6);
+		nbytes = prefixlen / 8 + 4;
+		/* Bits 64-71 are zeros. draft-ietf-behave-address-format-04 */
+		if (prefixlen >= 32 && prefixlen <= 64)
+			nbytes++;
+		REQUIRE(memcmp(suffix->type.in6.s6_addr, zeros, nbytes) == 0);
+	}
+
+	new = isc_mem_get(mctx, sizeof(dns_dns64_t));
+	if (new == NULL)
+		return (ISC_R_NOMEMORY);
+	memset(new->bits, 0, sizeof(new->bits));
+	memcpy(new->bits, prefix->type.in6.s6_addr, prefixlen / 8);
+	if (suffix != NULL)
+		memcpy(new->bits + nbytes, suffix->type.in6.s6_addr + nbytes,
+		       16 - nbytes);
+	new->clients = NULL;
+	if (clients != NULL)
+		dns_acl_attach(clients, &new->clients);
+	new->mapped = NULL;
+	if (mapped != NULL)
+		dns_acl_attach(mapped, &new->mapped);
+	new->excluded = NULL;
+	if (excluded != NULL)
+		dns_acl_attach(excluded, &new->excluded);
+	new->prefixlen = prefixlen;
+	new->flags = flags;
+	ISC_LINK_INIT(new, link);
+	new->mctx = NULL;
+	isc_mem_attach(mctx, &new->mctx);
+	*dns64 = new;
+	return (ISC_R_SUCCESS);
+}
+
+void
+dns_dns64_destroy(dns_dns64_t **dns64p) {
+	dns_dns64_t *dns64;
+
+	REQUIRE(dns64p != NULL && *dns64p != NULL);
+
+	dns64 = *dns64p;
+	*dns64p = NULL;
+
+	REQUIRE(!ISC_LINK_LINKED(dns64, link));
+
+	if (dns64->clients != NULL)
+		dns_acl_detach(&dns64->clients);
+	if (dns64->mapped != NULL)
+		dns_acl_detach(&dns64->mapped);
+	if (dns64->excluded != NULL)
+		dns_acl_detach(&dns64->excluded);
+	isc_mem_putanddetach(&dns64->mctx, dns64, sizeof(*dns64));
+}
+
+isc_result_t
+dns_dns64_aaaafroma(const dns_dns64_t *dns64, const isc_netaddr_t *reqaddr,
+		    const dns_name_t *reqsigner, const dns_aclenv_t *env,
+		    unsigned int flags, unsigned char *a, unsigned char *aaaa)
+{
+	unsigned int nbytes, i;
+	isc_result_t result;
+	int match;
+
+	if ((dns64->flags & DNS_DNS64_RECURSIVE_ONLY) != 0 &&
+	    (flags & DNS_DNS64_RECURSIVE) == 0)
+		return (DNS_R_DISALLOWED);
+
+	if ((dns64->flags & DNS_DNS64_BREAK_DNSSEC) == 0 &&
+	    (flags & DNS_DNS64_DNSSEC) != 0)
+		return (DNS_R_DISALLOWED);
+
+	if (dns64->clients != NULL) {
+		result = dns_acl_match(reqaddr, reqsigner, dns64->clients, env,
+				       &match, NULL);
+		if (result != ISC_R_SUCCESS)
+			return (result);
+		if (match <= 0)
+			return (DNS_R_DISALLOWED);
+	}
+
+	if (dns64->mapped != NULL) {
+		struct in_addr ina;
+		isc_netaddr_t netaddr;
+
+		memcpy(&ina.s_addr, a, 4);
+		isc_netaddr_fromin(&netaddr, &ina);
+		result = dns_acl_match(&netaddr, NULL, dns64->mapped, env,
+				       &match, NULL);
+		if (result != ISC_R_SUCCESS)
+			return (result);
+		if (match <= 0)
+			return (DNS_R_DISALLOWED);
+	}
+
+	nbytes = dns64->prefixlen / 8;
+	INSIST(nbytes <= 12);
+	/* Copy prefix. */
+	memcpy(aaaa, dns64->bits, nbytes);
+	/* Bits 64-71 are zeros. draft-ietf-behave-address-format-04 */
+	if (nbytes == 8)
+		aaaa[nbytes++] = 0;
+	/* Copy mapped address. */
+	for (i = 0; i < 4U; i++) {
+		aaaa[nbytes++] = a[i];
+		/* Bits 64-71 are zeros. draft-ietf-behave-address-format-04 */
+		if (nbytes == 8)
+			aaaa[nbytes++] = 0;
+	}
+	/* Copy suffix. */
+	memcpy(aaaa + nbytes, dns64->bits + nbytes, 16 - nbytes);
+	return (ISC_R_SUCCESS);
+}
+
+dns_dns64_t *
+dns_dns64_next(dns_dns64_t *dns64) {
+	dns64 = ISC_LIST_NEXT(dns64, link);
+	return (dns64);
+}
+
+void
+dns_dns64_append(dns_dns64list_t *list, dns_dns64_t *dns64) {
+	ISC_LIST_APPEND(*list, dns64, link);
+}
+
+void
+dns_dns64_unlink(dns_dns64list_t *list, dns_dns64_t *dns64) {
+	ISC_LIST_UNLINK(*list, dns64, link);
+}
+
+isc_boolean_t
+dns_dns64_aaaaok(const dns_dns64_t *dns64, const isc_netaddr_t *reqaddr,
+		 const dns_name_t *reqsigner, const dns_aclenv_t *env,
+		 unsigned int flags, dns_rdataset_t *rdataset,
+		 isc_boolean_t *aaaaok, size_t aaaaoklen)
+{
+	struct in6_addr in6;
+	isc_netaddr_t netaddr;
+	isc_result_t result;
+	int match;
+	isc_boolean_t answer = ISC_FALSE;
+	isc_boolean_t found = ISC_FALSE;
+	unsigned int i, ok;
+
+	REQUIRE(rdataset != NULL);
+	REQUIRE(rdataset->type == dns_rdatatype_aaaa);
+	REQUIRE(rdataset->rdclass == dns_rdataclass_in);
+	if (aaaaok != NULL)
+		REQUIRE(aaaaoklen == dns_rdataset_count(rdataset));
+
+	for (;dns64 != NULL; dns64 = ISC_LIST_NEXT(dns64, link)) {
+		if ((dns64->flags & DNS_DNS64_RECURSIVE_ONLY) != 0 &&
+		    (flags & DNS_DNS64_RECURSIVE) == 0)
+			continue;
+
+		if ((dns64->flags & DNS_DNS64_BREAK_DNSSEC) == 0 &&
+		    (flags & DNS_DNS64_DNSSEC) != 0)
+			continue;
+		/*
+		 * Work out if this dns64 structure applies to this client.
+		 */
+		if (dns64->clients != NULL) {
+			result = dns_acl_match(reqaddr, reqsigner,
+					       dns64->clients, env,
+					       &match, NULL);
+			if (result != ISC_R_SUCCESS)
+				continue;
+			if (match <= 0)
+				continue;
+		}
+
+		if (!found && aaaaok != NULL) {
+			for (i = 0; i < aaaaoklen; i++)
+				aaaaok[i] = ISC_FALSE;
+		}
+		found = ISC_TRUE;
+
+		/*
+		 * If we are not excluding any addresses then any AAAA
+		 * will do.
+		 */
+		if (dns64->excluded == NULL) {
+			answer = ISC_TRUE;
+			for (i = 0; i < aaaaoklen; i++)
+				aaaaok[i] = ISC_TRUE;
+			goto done;
+		}
+
+		i = 0; ok = 0;
+		for (result = dns_rdataset_first(rdataset);
+		     result == ISC_R_SUCCESS;
+		     result = dns_rdataset_next(rdataset)) {
+			dns_rdata_t rdata = DNS_RDATA_INIT;
+			if (aaaaok == NULL || !aaaaok[i]) {
+
+				dns_rdataset_current(rdataset, &rdata);
+				memcpy(&in6.s6_addr, rdata.data, 16);
+				isc_netaddr_fromin6(&netaddr, &in6);
+
+				result = dns_acl_match(&netaddr, NULL,
+						       dns64->excluded,
+						       env, &match, NULL);
+				if (result == ISC_R_SUCCESS && match <= 0) {
+					answer = ISC_TRUE;
+					if (aaaaok == NULL)
+						goto done;
+					aaaaok[i] = ISC_TRUE;
+					ok++;
+				}
+			} else
+				ok++;
+			i++;
+		}
+		/*
+		 * Are all addresses ok?
+		 */
+		if (aaaaok != NULL && ok == aaaaoklen)
+			goto done;
+	}
+
+ done:
+	if (!found && aaaaok != NULL) {
+		for (i = 0; i < aaaaoklen; i++)
+			aaaaok[i] = ISC_TRUE;
+	}
+	return (found ? answer : ISC_TRUE);
+}
diff --git a/lib/dns/dnssec.c b/lib/dns/dnssec.c
index 67a2c67..dc249b7 100644
--- a/lib/dns/dnssec.c
+++ b/lib/dns/dnssec.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2010  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -16,7 +16,7 @@
  */
 
 /*
- * $Id: dnssec.c,v 1.93.12.6 2009-06-22 23:47:18 tbox Exp $
+ * $Id: dnssec.c,v 1.119 2010-01-13 23:48:59 tbox Exp $
  */
 
 /*! \file */
@@ -26,15 +26,18 @@
 #include 
 
 #include 
+#include 
 #include 
 #include 
 #include 
 #include 
 
 #include 
+#include 
 #include 
 #include 
 #include 
+#include 
 #include 
 #include 
 #include 
@@ -539,6 +542,59 @@ dns_dnssec_verify(dns_name_t *name, dns_rdataset_t *set, dst_key_t *key,
 	return (result);
 }
 
+static isc_boolean_t
+key_active(dst_key_t *key) {
+	isc_result_t result;
+	isc_stdtime_t now, publish, active, revoke, inactive, delete;
+	isc_boolean_t pubset = ISC_FALSE, actset = ISC_FALSE;
+	isc_boolean_t revset = ISC_FALSE, inactset = ISC_FALSE;
+	isc_boolean_t delset = ISC_FALSE;
+	int major, minor;
+
+	/* Is this an old-style key? */
+	result = dst_key_getprivateformat(key, &major, &minor);
+
+	/*
+	 * Smart signing started with key format 1.3; prior to that, all
+	 * keys are assumed active
+	 */
+	if (major == 1 && minor <= 2)
+		return (ISC_TRUE);
+
+	isc_stdtime_get(&now);
+
+	result = dst_key_gettime(key, DST_TIME_PUBLISH, &publish);
+	if (result == ISC_R_SUCCESS)
+		pubset = ISC_TRUE;
+
+	result = dst_key_gettime(key, DST_TIME_ACTIVATE, &active);
+	if (result == ISC_R_SUCCESS)
+		actset = ISC_TRUE;
+
+	result = dst_key_gettime(key, DST_TIME_REVOKE, &revoke);
+	if (result == ISC_R_SUCCESS)
+		revset = ISC_TRUE;
+
+	result = dst_key_gettime(key, DST_TIME_INACTIVE, &inactive);
+	if (result == ISC_R_SUCCESS)
+		inactset = ISC_TRUE;
+
+	result = dst_key_gettime(key, DST_TIME_DELETE, &delete);
+	if (result == ISC_R_SUCCESS)
+		delset = ISC_TRUE;
+
+	if ((inactset && inactive <= now) || (delset && delete <= now))
+		return (ISC_FALSE);
+
+	if (revset && revoke <= now && pubset && publish <= now)
+		return (ISC_TRUE);
+
+	if (actset && active <= now)
+		return (ISC_TRUE);
+
+	return (ISC_FALSE);
+}
+
 #define is_zone_key(key) ((dst_key_flags(key) & DNS_KEYFLAG_OWNERMASK) \
 			  == DNS_KEYOWNER_ZONE)
 
@@ -580,14 +636,70 @@ dns_dnssec_findzonekeys2(dns_db_t *db, dns_dbversion_t *ver,
 					  DST_TYPE_PUBLIC|DST_TYPE_PRIVATE,
 					  directory,
 					  mctx, &keys[count]);
+
+		/*
+		 * If the key was revoked and the private file
+		 * doesn't exist, maybe it was revoked internally
+		 * by named.  Try loading the unrevoked version.
+		 */
 		if (result == ISC_R_FILENOTFOUND) {
+			isc_uint32_t flags;
+			flags = dst_key_flags(pubkey);
+			if ((flags & DNS_KEYFLAG_REVOKE) != 0) {
+				dst_key_setflags(pubkey,
+						 flags & ~DNS_KEYFLAG_REVOKE);
+				result = dst_key_fromfile(dst_key_name(pubkey),
+							  dst_key_id(pubkey),
+							  dst_key_alg(pubkey),
+							  DST_TYPE_PUBLIC|
+							  DST_TYPE_PRIVATE,
+							  directory,
+							  mctx, &keys[count]);
+				if (result == ISC_R_SUCCESS &&
+				    dst_key_pubcompare(pubkey, keys[count],
+						       ISC_FALSE)) {
+					dst_key_setflags(keys[count], flags);
+				}
+				dst_key_setflags(pubkey, flags);
+			}
+		}
+
+		if (result != ISC_R_SUCCESS) {
+			char keybuf[DNS_NAME_FORMATSIZE];
+			char algbuf[DNS_SECALG_FORMATSIZE];
+			dns_name_format(dst_key_name(pubkey), keybuf,
+					sizeof(keybuf));
+			dns_secalg_format(dst_key_alg(pubkey), algbuf,
+					  sizeof(algbuf));
+			isc_log_write(dns_lctx, DNS_LOGCATEGORY_GENERAL,
+				      DNS_LOGMODULE_DNSSEC, ISC_LOG_WARNING,
+				      "dns_dnssec_findzonekeys2: error "
+				      "reading private key file %s/%s/%d: %s",
+				      keybuf, algbuf, dst_key_id(pubkey),
+				      isc_result_totext(result));
+		}
+
+		if (result == ISC_R_FILENOTFOUND || result == ISC_R_NOPERM) {
 			keys[count] = pubkey;
 			pubkey = NULL;
 			count++;
 			goto next;
 		}
+
 		if (result != ISC_R_SUCCESS)
 			goto failure;
+
+		/*
+		 * If a key is marked inactive, skip it
+		 */
+		if (!key_active(keys[count])) {
+			dst_key_free(&keys[count]);
+			keys[count] = pubkey;
+			pubkey = NULL;
+			count++;
+			goto next;
+		}
+
 		if ((dst_key_flags(keys[count]) & DNS_KEYTYPE_NOAUTH) != 0) {
 			/* We should never get here. */
 			dst_key_free(&keys[count]);
@@ -951,3 +1063,691 @@ dns_dnssec_selfsigns(dns_rdata_t *rdata, dns_name_t *name,
 	dst_key_free(&dstkey);
 	return (ISC_FALSE);
 }
+
+isc_result_t
+dns_dnsseckey_create(isc_mem_t *mctx, dst_key_t **dstkey,
+		     dns_dnsseckey_t **dkp)
+{
+	isc_result_t result;
+	dns_dnsseckey_t *dk;
+	int major, minor;
+
+	REQUIRE(dkp != NULL && *dkp == NULL);
+	dk = isc_mem_get(mctx, sizeof(dns_dnsseckey_t));
+	if (dk == NULL)
+		return (ISC_R_NOMEMORY);
+
+	dk->key = *dstkey;
+	*dstkey = NULL;
+	dk->force_publish = ISC_FALSE;
+	dk->force_sign = ISC_FALSE;
+	dk->hint_publish = ISC_FALSE;
+	dk->hint_sign = ISC_FALSE;
+	dk->hint_remove = ISC_FALSE;
+	dk->first_sign = ISC_FALSE;
+	dk->is_active = ISC_FALSE;
+	dk->prepublish = 0;
+	dk->source = dns_keysource_unknown;
+	dk->index = 0;
+
+	/* KSK or ZSK? */
+	dk->ksk = ISC_TF((dst_key_flags(dk->key) & DNS_KEYFLAG_KSK) != 0);
+
+	/* Is this an old-style key? */
+	result = dst_key_getprivateformat(dk->key, &major, &minor);
+
+	/* Smart signing started with key format 1.3 */
+	dk->legacy = ISC_TF(major == 1 && minor <= 2);
+
+	ISC_LINK_INIT(dk, link);
+	*dkp = dk;
+	return (ISC_R_SUCCESS);
+}
+
+void
+dns_dnsseckey_destroy(isc_mem_t *mctx, dns_dnsseckey_t **dkp) {
+	dns_dnsseckey_t *dk;
+
+	REQUIRE(dkp != NULL && *dkp != NULL);
+	dk = *dkp;
+	if (dk->key != NULL)
+		dst_key_free(&dk->key);
+	isc_mem_put(mctx, dk, sizeof(dns_dnsseckey_t));
+	*dkp = NULL;
+}
+
+static void
+get_hints(dns_dnsseckey_t *key) {
+	isc_result_t result;
+	isc_stdtime_t now, publish, active, revoke, inactive, delete;
+	isc_boolean_t pubset = ISC_FALSE, actset = ISC_FALSE;
+	isc_boolean_t revset = ISC_FALSE, inactset = ISC_FALSE;
+	isc_boolean_t delset = ISC_FALSE;
+
+	REQUIRE(key != NULL && key->key != NULL);
+
+	isc_stdtime_get(&now);
+
+	result = dst_key_gettime(key->key, DST_TIME_PUBLISH, &publish);
+	if (result == ISC_R_SUCCESS)
+		pubset = ISC_TRUE;
+
+	result = dst_key_gettime(key->key, DST_TIME_ACTIVATE, &active);
+	if (result == ISC_R_SUCCESS)
+		actset = ISC_TRUE;
+
+	result = dst_key_gettime(key->key, DST_TIME_REVOKE, &revoke);
+	if (result == ISC_R_SUCCESS)
+		revset = ISC_TRUE;
+
+	result = dst_key_gettime(key->key, DST_TIME_INACTIVE, &inactive);
+	if (result == ISC_R_SUCCESS)
+		inactset = ISC_TRUE;
+
+	result = dst_key_gettime(key->key, DST_TIME_DELETE, &delete);
+	if (result == ISC_R_SUCCESS)
+		delset = ISC_TRUE;
+
+	/* Metadata says publish (but possibly not activate) */
+	if (pubset && publish <= now)
+		key->hint_publish = ISC_TRUE;
+
+	/* Metadata says activate (so we must also publish) */
+	if (actset && active <= now) {
+		key->hint_sign = ISC_TRUE;
+		key->hint_publish = ISC_TRUE;
+	}
+
+	/*
+	 * Activation date is set (maybe in the future), but
+	 * publication date isn't. Most likely the user wants to
+	 * publish now and activate later.
+	 */
+	if (actset && !pubset)
+		key->hint_publish = ISC_TRUE;
+
+	/*
+	 * If activation date is in the future, make note of how far off
+	 */
+	if (key->hint_publish && actset && active > now) {
+		key->prepublish = active - now;
+	}
+
+	/*
+	 * Key has been marked inactive: we can continue publishing,
+	 * but don't sign.
+	 */
+	if (key->hint_publish && inactset && inactive <= now) {
+		key->hint_sign = ISC_FALSE;
+	}
+
+	/*
+	 * Metadata says revoke.  If the key is published,
+	 * we *have to* sign with it per RFC5011--even if it was
+	 * not active before.
+	 *
+	 * If it hasn't already been done, we should also revoke it now.
+	 */
+	if (key->hint_publish && (revset && revoke <= now)) {
+		isc_uint32_t flags;
+		key->hint_sign = ISC_TRUE;
+		flags = dst_key_flags(key->key);
+		if ((flags & DNS_KEYFLAG_REVOKE) == 0) {
+			flags |= DNS_KEYFLAG_REVOKE;
+			dst_key_setflags(key->key, flags);
+		}
+	}
+
+	/*
+	 * Metadata says delete, so don't publish this key or sign with it.
+	 */
+	if (delset && delete <= now) {
+		key->hint_publish = ISC_FALSE;
+		key->hint_sign = ISC_FALSE;
+		key->hint_remove = ISC_TRUE;
+	}
+}
+
+/*%
+ * Get a list of DNSSEC keys from the key repository
+ */
+isc_result_t
+dns_dnssec_findmatchingkeys(dns_name_t *origin, const char *directory,
+			    isc_mem_t *mctx, dns_dnsseckeylist_t *keylist)
+{
+	isc_result_t result = ISC_R_SUCCESS;
+	isc_boolean_t dir_open = ISC_FALSE;
+	dns_dnsseckeylist_t list;
+	isc_dir_t dir;
+	dns_dnsseckey_t *key = NULL;
+	dst_key_t *dstkey = NULL;
+	char namebuf[DNS_NAME_FORMATSIZE], *p;
+	isc_buffer_t b;
+	unsigned int len;
+
+	REQUIRE(keylist != NULL);
+	ISC_LIST_INIT(list);
+	isc_dir_init(&dir);
+
+	isc_buffer_init(&b, namebuf, sizeof(namebuf) - 1);
+	RETERR(dns_name_totext(origin, ISC_FALSE, &b));
+	len = isc_buffer_usedlength(&b);
+	namebuf[len] = '\0';
+
+	if (directory == NULL)
+		directory = ".";
+	RETERR(isc_dir_open(&dir, directory));
+	dir_open = ISC_TRUE;
+
+	while (isc_dir_read(&dir) == ISC_R_SUCCESS) {
+		if (dir.entry.name[0] == 'K' &&
+		    dir.entry.length > len + 1 &&
+		    dir.entry.name[len + 1] == '+' &&
+		    strncasecmp(dir.entry.name + 1, namebuf, len) == 0) {
+			p = strrchr(dir.entry.name, '.');
+			if (p != NULL && strcmp(p, ".private") != 0)
+				continue;
+
+			dstkey = NULL;
+			result = dst_key_fromnamedfile(dir.entry.name,
+						       directory,
+						       DST_TYPE_PUBLIC |
+						       DST_TYPE_PRIVATE,
+						       mctx, &dstkey);
+
+			if (result != ISC_R_SUCCESS) {
+				isc_log_write(dns_lctx,
+					      DNS_LOGCATEGORY_GENERAL,
+					      DNS_LOGMODULE_DNSSEC,
+					      ISC_LOG_WARNING,
+					      "dns_dnssec_findmatchingkeys: "
+					      "error reading key file %s: %s",
+					      dir.entry.name,
+					      isc_result_totext(result));
+				continue;
+			}
+
+			RETERR(dns_dnsseckey_create(mctx, &dstkey, &key));
+			key->source = dns_keysource_repository;
+			get_hints(key);
+
+			if (key->legacy) {
+				dns_dnsseckey_destroy(mctx, &key);
+			} else {
+				ISC_LIST_APPEND(list, key, link);
+				key = NULL;
+			}
+		}
+	}
+
+	if (!ISC_LIST_EMPTY(list))
+		ISC_LIST_APPENDLIST(*keylist, list, link);
+	else
+		result = ISC_R_NOTFOUND;
+
+ failure:
+	if (dir_open)
+		isc_dir_close(&dir);
+	INSIST(key == NULL);
+	while ((key = ISC_LIST_HEAD(list)) != NULL) {
+		ISC_LIST_UNLINK(list, key, link);
+		INSIST(key->key != NULL);
+		dst_key_free(&key->key);
+		dns_dnsseckey_destroy(mctx, &key);
+	}
+	if (dstkey != NULL)
+		dst_key_free(&dstkey);
+	return (result);
+}
+
+/*%
+ * Add 'newkey' to 'keylist' if it's not already there.
+ *
+ * If 'savekeys' is ISC_TRUE, then we need to preserve all
+ * the keys in the keyset, regardless of whether they have
+ * metadata indicating they should be deactivated or removed.
+ */
+static void
+addkey(dns_dnsseckeylist_t *keylist, dst_key_t **newkey,
+       isc_boolean_t savekeys, isc_mem_t *mctx)
+{
+	dns_dnsseckey_t *key;
+
+	/* Skip duplicates */
+	for (key = ISC_LIST_HEAD(*keylist);
+	     key != NULL;
+	     key = ISC_LIST_NEXT(key, link)) {
+		if (dst_key_id(key->key) == dst_key_id(*newkey) &&
+		    dst_key_alg(key->key) == dst_key_alg(*newkey) &&
+		    dns_name_equal(dst_key_name(key->key),
+				   dst_key_name(*newkey)))
+			break;
+	}
+
+	if (key != NULL) {
+		/*
+		 * Found a match.  If the old key was only public and the
+		 * new key is private, replace the old one; otherwise
+		 * leave it.  But either way, mark the key as having
+		 * been found in the zone.
+		 */
+		if (dst_key_isprivate(key->key)) {
+			dst_key_free(newkey);
+		} else if (dst_key_isprivate(*newkey)) {
+			dst_key_free(&key->key);
+			key->key = *newkey;
+		}
+
+		key->source = dns_keysource_zoneapex;
+		return;
+	}
+
+	dns_dnsseckey_create(mctx, newkey, &key);
+	if (key->legacy || savekeys) {
+		key->force_publish = ISC_TRUE;
+		key->force_sign = dst_key_isprivate(key->key);
+	}
+	key->source = dns_keysource_zoneapex;
+	ISC_LIST_APPEND(*keylist, key, link);
+	*newkey = NULL;
+}
+
+
+/*%
+ * Mark all keys which signed the DNSKEY/SOA RRsets as "active",
+ * for future reference.
+ */
+static isc_result_t
+mark_active_keys(dns_dnsseckeylist_t *keylist, dns_rdataset_t *rrsigs) {
+	isc_result_t result = ISC_R_SUCCESS;
+	dns_rdata_t rdata = DNS_RDATA_INIT;
+	dns_rdataset_t sigs;
+	dns_dnsseckey_t *key;
+
+	REQUIRE(rrsigs != NULL && dns_rdataset_isassociated(rrsigs));
+
+	dns_rdataset_init(&sigs);
+	dns_rdataset_clone(rrsigs, &sigs);
+	for (key = ISC_LIST_HEAD(*keylist);
+	     key != NULL;
+	     key = ISC_LIST_NEXT(key, link)) {
+		isc_uint16_t keyid, sigid;
+		dns_secalg_t keyalg, sigalg;
+		keyid = dst_key_id(key->key);
+		keyalg = dst_key_alg(key->key);
+
+		for (result = dns_rdataset_first(&sigs);
+		     result == ISC_R_SUCCESS;
+		     result = dns_rdataset_next(&sigs)) {
+			dns_rdata_rrsig_t sig;
+
+			dns_rdata_reset(&rdata);
+			dns_rdataset_current(&sigs, &rdata);
+			result = dns_rdata_tostruct(&rdata, &sig, NULL);
+			RUNTIME_CHECK(result == ISC_R_SUCCESS);
+			sigalg = sig.algorithm;
+			sigid = sig.keyid;
+			if (keyid == sigid && keyalg == sigalg) {
+				key->is_active = ISC_TRUE;
+				break;
+			}
+		}
+	}
+
+	if (result == ISC_R_NOMORE)
+		result = ISC_R_SUCCESS;
+
+	if (dns_rdataset_isassociated(&sigs))
+		dns_rdataset_disassociate(&sigs);
+	return (result);
+}
+
+/*%
+ * Add the contents of a DNSKEY rdataset 'keyset' to 'keylist'.
+ */
+isc_result_t
+dns_dnssec_keylistfromrdataset(dns_name_t *origin,
+			       const char *directory, isc_mem_t *mctx,
+			       dns_rdataset_t *keyset, dns_rdataset_t *keysigs,
+			       dns_rdataset_t *soasigs, isc_boolean_t savekeys,
+			       isc_boolean_t public,
+			       dns_dnsseckeylist_t *keylist)
+{
+	dns_rdataset_t keys;
+	dns_rdata_t rdata = DNS_RDATA_INIT;
+	dst_key_t *pubkey = NULL, *privkey = NULL;
+	isc_result_t result;
+
+	REQUIRE(keyset != NULL && dns_rdataset_isassociated(keyset));
+
+	dns_rdataset_init(&keys);
+
+	dns_rdataset_clone(keyset, &keys);
+	for (result = dns_rdataset_first(&keys);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rdataset_next(&keys)) {
+		dns_rdata_reset(&rdata);
+		dns_rdataset_current(&keys, &rdata);
+		RETERR(dns_dnssec_keyfromrdata(origin, &rdata, mctx, &pubkey));
+
+		if (!is_zone_key(pubkey) ||
+		    (dst_key_flags(pubkey) & DNS_KEYTYPE_NOAUTH) != 0)
+			goto skip;
+
+		/* Corrupted .key file? */
+		if (!dns_name_equal(origin, dst_key_name(pubkey)))
+			goto skip;
+
+		if (public) {
+			addkey(keylist, &pubkey, savekeys, mctx);
+			goto skip;
+		}
+
+		result = dst_key_fromfile(dst_key_name(pubkey),
+					  dst_key_id(pubkey),
+					  dst_key_alg(pubkey),
+					  DST_TYPE_PUBLIC|DST_TYPE_PRIVATE,
+					  directory, mctx, &privkey);
+
+		/*
+		 * If the key was revoked and the private file
+		 * doesn't exist, maybe it was revoked internally
+		 * by named.  Try loading the unrevoked version.
+		 */
+		if (result == ISC_R_FILENOTFOUND) {
+			isc_uint32_t flags;
+			flags = dst_key_flags(pubkey);
+			if ((flags & DNS_KEYFLAG_REVOKE) != 0) {
+				dst_key_setflags(pubkey,
+						 flags & ~DNS_KEYFLAG_REVOKE);
+				result = dst_key_fromfile(dst_key_name(pubkey),
+							  dst_key_id(pubkey),
+							  dst_key_alg(pubkey),
+							  DST_TYPE_PUBLIC|
+							  DST_TYPE_PRIVATE,
+							  directory,
+							  mctx, &privkey);
+				if (result == ISC_R_SUCCESS &&
+				    dst_key_pubcompare(pubkey, privkey,
+						       ISC_FALSE)) {
+					dst_key_setflags(privkey, flags);
+				}
+				dst_key_setflags(pubkey, flags);
+			}
+		}
+
+		if (result != ISC_R_SUCCESS) {
+			char keybuf[DNS_NAME_FORMATSIZE];
+			char algbuf[DNS_SECALG_FORMATSIZE];
+			dns_name_format(dst_key_name(pubkey), keybuf,
+					sizeof(keybuf));
+			dns_secalg_format(dst_key_alg(pubkey), algbuf,
+					  sizeof(algbuf));
+			isc_log_write(dns_lctx, DNS_LOGCATEGORY_GENERAL,
+				      DNS_LOGMODULE_DNSSEC, ISC_LOG_WARNING,
+				      "dns_dnssec_keylistfromrdataset: error "
+				      "reading private key file %s/%s/%d: %s",
+				      keybuf, algbuf, dst_key_id(pubkey),
+				      isc_result_totext(result));
+		}
+
+		if (result == ISC_R_FILENOTFOUND || result == ISC_R_NOPERM) {
+			addkey(keylist, &pubkey, savekeys, mctx);
+			goto skip;
+		}
+		RETERR(result);
+
+		/* This should never happen. */
+		if ((dst_key_flags(privkey) & DNS_KEYTYPE_NOAUTH) != 0)
+			goto skip;
+
+		addkey(keylist, &privkey, savekeys, mctx);
+ skip:
+		if (pubkey != NULL)
+			dst_key_free(&pubkey);
+		if (privkey != NULL)
+			dst_key_free(&privkey);
+	}
+
+	if (result != ISC_R_NOMORE)
+		RETERR(result);
+
+	if (keysigs != NULL && dns_rdataset_isassociated(keysigs))
+		RETERR(mark_active_keys(keylist, keysigs));
+
+	if (soasigs != NULL && dns_rdataset_isassociated(soasigs))
+		RETERR(mark_active_keys(keylist, soasigs));
+
+	result = ISC_R_SUCCESS;
+
+ failure:
+	if (dns_rdataset_isassociated(&keys))
+		dns_rdataset_disassociate(&keys);
+	if (pubkey != NULL)
+		dst_key_free(&pubkey);
+	if (privkey != NULL)
+		dst_key_free(&privkey);
+	return (result);
+}
+
+static isc_result_t
+make_dnskey(dst_key_t *key, unsigned char *buf, int bufsize,
+	    dns_rdata_t *target)
+{
+	isc_result_t result;
+	isc_buffer_t b;
+	isc_region_t r;
+
+	isc_buffer_init(&b, buf, bufsize);
+	result = dst_key_todns(key, &b);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+
+	dns_rdata_reset(target);
+	isc_buffer_usedregion(&b, &r);
+	dns_rdata_fromregion(target, dst_key_class(key),
+			     dns_rdatatype_dnskey, &r);
+	return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+publish_key(dns_diff_t *diff, dns_dnsseckey_t *key, dns_name_t *origin,
+	    dns_ttl_t ttl, isc_mem_t *mctx, isc_boolean_t allzsk,
+	    void (*report)(const char *, ...))
+{
+	isc_result_t result;
+	dns_difftuple_t *tuple = NULL;
+	unsigned char buf[DST_KEY_MAXSIZE];
+	dns_rdata_t dnskey = DNS_RDATA_INIT;
+	char alg[80];
+
+	dns_rdata_reset(&dnskey);
+	RETERR(make_dnskey(key->key, buf, sizeof(buf), &dnskey));
+
+	dns_secalg_format(dst_key_alg(key->key), alg, sizeof(alg));
+	report("Fetching %s %d/%s from key %s.",
+	       key->ksk ?  (allzsk ?  "KSK/ZSK" : "KSK") : "ZSK",
+	       dst_key_id(key->key), alg,
+	       key->source == dns_keysource_user ?  "file" : "repository");
+
+	if (key->prepublish && ttl > key->prepublish) {
+		char keystr[DST_KEY_FORMATSIZE];
+		isc_stdtime_t now;
+
+		dst_key_format(key->key, keystr, sizeof(keystr));
+		report("Key %s: Delaying activation to match the DNSKEY TTL.\n",
+		       keystr, ttl);
+
+		isc_stdtime_get(&now);
+		dst_key_settime(key->key, DST_TIME_ACTIVATE, now + ttl);
+	}
+
+	/* publish key */
+	RETERR(dns_difftuple_create(mctx, DNS_DIFFOP_ADD, origin, ttl,
+				    &dnskey, &tuple));
+	dns_diff_appendminimal(diff, &tuple);
+	result = ISC_R_SUCCESS;
+
+ failure:
+	return (result);
+}
+
+static isc_result_t
+remove_key(dns_diff_t *diff, dns_dnsseckey_t *key, dns_name_t *origin,
+	  dns_ttl_t ttl, isc_mem_t *mctx, const char *reason,
+	  void (*report)(const char *, ...))
+{
+	isc_result_t result;
+	dns_difftuple_t *tuple = NULL;
+	unsigned char buf[DST_KEY_MAXSIZE];
+	dns_rdata_t dnskey = DNS_RDATA_INIT;
+	char alg[80];
+
+	dns_secalg_format(dst_key_alg(key->key), alg, sizeof(alg));
+	report("Removing %s key %d/%s from DNSKEY RRset.",
+	       reason, dst_key_id(key->key), alg);
+
+	RETERR(make_dnskey(key->key, buf, sizeof(buf), &dnskey));
+	RETERR(dns_difftuple_create(mctx, DNS_DIFFOP_DEL, origin, ttl, &dnskey,
+				    &tuple));
+	dns_diff_appendminimal(diff, &tuple);
+	result = ISC_R_SUCCESS;
+
+ failure:
+	return (result);
+}
+
+/*
+ * Update 'keys' with information from 'newkeys'.
+ *
+ * If 'removed' is not NULL, any keys that are being removed from
+ * the zone will be added to the list for post-removal processing.
+ */
+isc_result_t
+dns_dnssec_updatekeys(dns_dnsseckeylist_t *keys, dns_dnsseckeylist_t *newkeys,
+		      dns_dnsseckeylist_t *removed, dns_name_t *origin,
+		      dns_ttl_t ttl, dns_diff_t *diff, isc_boolean_t allzsk,
+		      isc_mem_t *mctx, void (*report)(const char *, ...))
+{
+	isc_result_t result;
+	dns_dnsseckey_t *key, *key1, *key2, *next;
+
+	/*
+	 * First, look through the existing key list to find keys
+	 * supplied from the command line which are not in the zone.
+	 * Update the zone to include them.
+	 */
+	for (key = ISC_LIST_HEAD(*keys);
+	     key != NULL;
+	     key = ISC_LIST_NEXT(key, link)) {
+		if (key->source == dns_keysource_user &&
+		    (key->hint_publish || key->force_publish)) {
+			RETERR(publish_key(diff, key, origin, ttl,
+					   mctx, allzsk, report));
+		}
+	}
+
+	/*
+	 * Second, scan the list of newly found keys looking for matches
+	 * with known keys, and update accordingly.
+	 */
+	for (key1 = ISC_LIST_HEAD(*newkeys); key1 != NULL; key1 = next) {
+		isc_boolean_t key_revoked = ISC_FALSE;
+
+		next = ISC_LIST_NEXT(key1, link);
+
+		for (key2 = ISC_LIST_HEAD(*keys);
+		     key2 != NULL;
+		     key2 = ISC_LIST_NEXT(key2, link)) {
+			if (dst_key_pubcompare(key1->key, key2->key,
+					       ISC_TRUE)) {
+				int r1, r2;
+				r1 = dst_key_flags(key1->key) &
+					DNS_KEYFLAG_REVOKE;
+				r2 = dst_key_flags(key2->key) &
+					DNS_KEYFLAG_REVOKE;
+				key_revoked = ISC_TF(r1 != r2);
+				break;
+			}
+		}
+
+		/* No match found in keys; add the new key. */
+		if (key2 == NULL) {
+			dns_dnsseckey_t *next;
+
+			next = ISC_LIST_NEXT(key1, link);
+			ISC_LIST_UNLINK(*newkeys, key1, link);
+			ISC_LIST_APPEND(*keys, key1, link);
+
+			if (key1->source != dns_keysource_zoneapex &&
+			    (key1->hint_publish || key1->force_publish)) {
+				RETERR(publish_key(diff, key1, origin, ttl,
+						   mctx, allzsk, report));
+				if (key1->hint_sign || key1->force_sign)
+					key1->first_sign = ISC_TRUE;
+			}
+
+			continue;
+		}
+
+		/* Match found: remove or update it as needed */
+		if (key1->hint_remove) {
+			RETERR(remove_key(diff, key2, origin, ttl, mctx,
+					  "expired", report));
+			ISC_LIST_UNLINK(*keys, key2, link);
+			if (removed != NULL)
+				ISC_LIST_APPEND(*removed, key2, link);
+			else
+				dns_dnsseckey_destroy(mctx, &key2);
+		} else if (key_revoked &&
+			 (dst_key_flags(key1->key) & DNS_KEYFLAG_REVOKE) != 0) {
+
+			/*
+			 * A previously valid key has been revoked.
+			 * We need to remove the old version and pull
+			 * in the new one.
+			 */
+			RETERR(remove_key(diff, key2, origin, ttl, mctx,
+					  "revoked", report));
+			ISC_LIST_UNLINK(*keys, key2, link);
+			if (removed != NULL)
+				ISC_LIST_APPEND(*removed, key2, link);
+			else
+				dns_dnsseckey_destroy(mctx, &key2);
+
+			RETERR(publish_key(diff, key1, origin, ttl,
+					   mctx, allzsk, report));
+			ISC_LIST_UNLINK(*newkeys, key1, link);
+			ISC_LIST_APPEND(*keys, key1, link);
+
+			/*
+			 * XXX: The revoke flag is only defined for trust
+			 * anchors.  Setting the flag on a non-KSK is legal,
+			 * but not defined in any RFC.  It seems reasonable
+			 * to treat it the same as a KSK: keep it in the
+			 * zone, sign the DNSKEY set with it, but not
+			 * sign other records with it.
+			 */
+			key1->ksk = ISC_TRUE;
+			continue;
+		} else {
+			if (!key2->is_active &&
+			    (key1->hint_sign || key1->force_sign))
+				key2->first_sign = ISC_TRUE;
+			key2->hint_sign = key1->hint_sign;
+			key2->hint_publish = key1->hint_publish;
+		}
+	}
+
+	/* Free any leftover keys in newkeys */
+	while (!ISC_LIST_EMPTY(*newkeys)) {
+		key1 = ISC_LIST_HEAD(*newkeys);
+		ISC_LIST_UNLINK(*newkeys, key1, link);
+		dns_dnsseckey_destroy(mctx, &key1);
+	}
+
+	result = ISC_R_SUCCESS;
+
+ failure:
+	return (result);
+}
diff --git a/lib/dns/ds.c b/lib/dns/ds.c
index 9cf5659..80e1503 100644
--- a/lib/dns/ds.c
+++ b/lib/dns/ds.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2010  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2002, 2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: ds.c,v 1.11 2007-06-19 23:47:16 tbox Exp $ */
+/* $Id: ds.c,v 1.13 2010-12-23 23:47:08 tbox Exp $ */
 
 /*! \file */
 
@@ -38,6 +38,13 @@
 
 #include 
 
+#ifdef HAVE_OPENSSL_GOST
+#include 
+#include 
+
+extern const EVP_MD * EVP_gost(void);
+#endif
+
 isc_result_t
 dns_ds_buildrdata(dns_name_t *owner, dns_rdata_t *key,
 		  unsigned int digest_type, unsigned char *buffer,
@@ -49,6 +56,12 @@ dns_ds_buildrdata(dns_name_t *owner, dns_rdata_t *key,
 	isc_region_t r;
 	isc_buffer_t b;
 	dns_rdata_ds_t ds;
+	isc_sha1_t sha1;
+	isc_sha256_t sha256;
+#ifdef HAVE_OPENSSL_GOST
+	EVP_MD_CTX ctx;
+	const EVP_MD *md;
+#endif
 
 	REQUIRE(key != NULL);
 	REQUIRE(key->type == dns_rdatatype_dnskey);
@@ -63,8 +76,8 @@ dns_ds_buildrdata(dns_name_t *owner, dns_rdata_t *key,
 	memset(buffer, 0, DNS_DS_BUFFERSIZE);
 	isc_buffer_init(&b, buffer, DNS_DS_BUFFERSIZE);
 
-	if (digest_type == DNS_DSDIGEST_SHA1) {
-		isc_sha1_t sha1;
+	switch (digest_type) {
+	case DNS_DSDIGEST_SHA1:
 		isc_sha1_init(&sha1);
 		dns_name_toregion(name, &r);
 		isc_sha1_update(&sha1, r.base, r.length);
@@ -72,8 +85,33 @@ dns_ds_buildrdata(dns_name_t *owner, dns_rdata_t *key,
 		INSIST(r.length >= 4);
 		isc_sha1_update(&sha1, r.base, r.length);
 		isc_sha1_final(&sha1, digest);
-	} else {
-		isc_sha256_t sha256;
+		break;
+#ifdef HAVE_OPENSSL_GOST
+#define CHECK(x)					\
+	if ((x) != 1) {					\
+		EVP_MD_CTX_cleanup(&ctx);		\
+		return (DST_R_OPENSSLFAILURE);		\
+	}
+
+	case DNS_DSDIGEST_GOST:
+		md = EVP_gost();
+		if (md == NULL)
+			return (DST_R_OPENSSLFAILURE);
+		EVP_MD_CTX_init(&ctx);
+		CHECK(EVP_DigestInit(&ctx, md));
+		dns_name_toregion(name, &r);
+		CHECK(EVP_DigestUpdate(&ctx,
+				       (const void *) r.base,
+				       (size_t) r.length));
+		dns_rdata_toregion(key, &r);
+		INSIST(r.length >= 4);
+		CHECK(EVP_DigestUpdate(&ctx,
+				       (const void *) r.base,
+				       (size_t) r.length));
+		CHECK(EVP_DigestFinal(&ctx, digest, NULL));
+		break;
+#endif
+	default:
 		isc_sha256_init(&sha256);
 		dns_name_toregion(name, &r);
 		isc_sha256_update(&sha256, r.base, r.length);
@@ -81,6 +119,7 @@ dns_ds_buildrdata(dns_name_t *owner, dns_rdata_t *key,
 		INSIST(r.length >= 4);
 		isc_sha256_update(&sha256, r.base, r.length);
 		isc_sha256_final(digest, &sha256);
+		break;
 	}
 
 	ds.mctx = NULL;
@@ -89,8 +128,19 @@ dns_ds_buildrdata(dns_name_t *owner, dns_rdata_t *key,
 	ds.algorithm = r.base[3];
 	ds.key_tag = dst_region_computeid(&r, ds.algorithm);
 	ds.digest_type = digest_type;
-	ds.length = (digest_type == DNS_DSDIGEST_SHA1) ?
-		    ISC_SHA1_DIGESTLENGTH : ISC_SHA256_DIGESTLENGTH;
+	switch (digest_type) {
+	case DNS_DSDIGEST_SHA1:
+		ds.length = ISC_SHA1_DIGESTLENGTH;
+		break;
+#ifdef HAVE_OPENSSL_GOST
+	case DNS_DSDIGEST_GOST:
+		ds.length = ISC_GOST_DIGESTLENGTH;
+		break;
+#endif
+	default:
+		ds.length = ISC_SHA256_DIGESTLENGTH;
+		break;
+	}
 	ds.digest = digest;
 
 	return (dns_rdata_fromstruct(rdata, key->rdclass, dns_rdatatype_ds,
@@ -99,6 +149,12 @@ dns_ds_buildrdata(dns_name_t *owner, dns_rdata_t *key,
 
 isc_boolean_t
 dns_ds_digest_supported(unsigned int digest_type) {
+#ifdef HAVE_OPENSSL_GOST
+	return  (ISC_TF(digest_type == DNS_DSDIGEST_SHA1 ||
+			digest_type == DNS_DSDIGEST_SHA256 ||
+			digest_type == DNS_DSDIGEST_GOST));
+#else
 	return  (ISC_TF(digest_type == DNS_DSDIGEST_SHA1 ||
 			digest_type == DNS_DSDIGEST_SHA256));
+#endif
 }
diff --git a/lib/dns/dst_api.c b/lib/dns/dst_api.c
index 97d2657..1ece312 100644
--- a/lib/dns/dst_api.c
+++ b/lib/dns/dst_api.c
@@ -1,5 +1,5 @@
 /*
- * Portions Copyright (C) 2004-2010  Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (C) 2004-2011  Internet Systems Consortium, Inc. ("ISC")
  * Portions Copyright (C) 1999-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -31,7 +31,7 @@
 
 /*
  * Principal Author: Brian Wellington
- * $Id: dst_api.c,v 1.16.12.12 2010-12-09 01:12:55 marka Exp $
+ * $Id: dst_api.c,v 1.57 2011-01-11 23:47:13 tbox Exp $
  */
 
 /*! \file */
@@ -39,6 +39,7 @@
 #include 
 
 #include 
+#include 
 
 #include 
 #include 
@@ -48,6 +49,7 @@
 #include 
 #include 
 #include 
+#include 
 #include 
 #include 
 #include 
@@ -70,7 +72,9 @@
 #define DST_AS_STR(t) ((t).value.as_textregion.base)
 
 static dst_func_t *dst_t_func[DST_MAX_ALGS];
+#ifdef BIND9
 static isc_entropy_t *dst_entropy_pool = NULL;
+#endif
 static unsigned int dst_entropy_flags = 0;
 static isc_boolean_t dst_initialized = ISC_FALSE;
 
@@ -108,10 +112,11 @@ static isc_result_t	frombuffer(dns_name_t *name,
 
 static isc_result_t	algorithm_status(unsigned int alg);
 
-static isc_result_t	addsuffix(char *filename, unsigned int len,
-				  const char *ofilename, const char *suffix);
+static isc_result_t	addsuffix(char *filename, int len,
+				  const char *dirname, const char *ofilename,
+				  const char *suffix);
 
-#define RETERR(x) 				\
+#define RETERR(x)				\
 	do {					\
 		result = (x);			\
 		if (result != ISC_R_SUCCESS)	\
@@ -126,7 +131,7 @@ static isc_result_t	addsuffix(char *filename, unsigned int len,
 			return (_r);		\
 	} while (0);				\
 
-#ifdef OPENSSL
+#if defined(OPENSSL) && defined(BIND9)
 static void *
 default_memalloc(void *arg, size_t size) {
 	UNUSED(arg);
@@ -144,14 +149,29 @@ default_memfree(void *arg, void *ptr) {
 
 isc_result_t
 dst_lib_init(isc_mem_t *mctx, isc_entropy_t *ectx, unsigned int eflags) {
+	return (dst_lib_init2(mctx, ectx, NULL, eflags));
+}
+
+isc_result_t
+dst_lib_init2(isc_mem_t *mctx, isc_entropy_t *ectx,
+	      const char *engine, unsigned int eflags) {
 	isc_result_t result;
 
-	REQUIRE(mctx != NULL && ectx != NULL);
+	REQUIRE(mctx != NULL);
+#ifdef BIND9
+	REQUIRE(ectx != NULL);
+#else
+	UNUSED(ectx);
+#endif
 	REQUIRE(dst_initialized == ISC_FALSE);
 
+#ifndef OPENSSL
+	UNUSED(engine);
+#endif
+
 	dst__memory_pool = NULL;
 
-#ifdef OPENSSL
+#if defined(OPENSSL) && defined(BIND9)
 	UNUSED(mctx);
 	/*
 	 * When using --with-openssl, there seems to be no good way of not
@@ -166,11 +186,15 @@ dst_lib_init(isc_mem_t *mctx, isc_entropy_t *ectx, unsigned int eflags) {
 	if (result != ISC_R_SUCCESS)
 		return (result);
 	isc_mem_setname(dst__memory_pool, "dst", NULL);
+#ifndef OPENSSL_LEAKS
 	isc_mem_setdestroycheck(dst__memory_pool, ISC_FALSE);
+#endif
 #else
 	isc_mem_attach(mctx, &dst__memory_pool);
 #endif
+#ifdef BIND9
 	isc_entropy_attach(ectx, &dst_entropy_pool);
+#endif
 	dst_entropy_flags = eflags;
 
 	dst_result_register();
@@ -183,7 +207,7 @@ dst_lib_init(isc_mem_t *mctx, isc_entropy_t *ectx, unsigned int eflags) {
 	RETERR(dst__hmacsha384_init(&dst_t_func[DST_ALG_HMACSHA384]));
 	RETERR(dst__hmacsha512_init(&dst_t_func[DST_ALG_HMACSHA512]));
 #ifdef OPENSSL
-	RETERR(dst__openssl_init());
+	RETERR(dst__openssl_init(engine));
 	RETERR(dst__opensslrsa_init(&dst_t_func[DST_ALG_RSAMD5],
 				    DST_ALG_RSAMD5));
 	RETERR(dst__opensslrsa_init(&dst_t_func[DST_ALG_RSASHA1],
@@ -199,6 +223,9 @@ dst_lib_init(isc_mem_t *mctx, isc_entropy_t *ectx, unsigned int eflags) {
 	RETERR(dst__openssldsa_init(&dst_t_func[DST_ALG_NSEC3DSA]));
 #endif
 	RETERR(dst__openssldh_init(&dst_t_func[DST_ALG_DH]));
+#ifdef HAVE_OPENSSL_GOST
+	RETERR(dst__opensslgost_init(&dst_t_func[DST_ALG_ECCGOST]));
+#endif
 #endif /* OPENSSL */
 #ifdef GSSAPI
 	RETERR(dst__gssapi_init(&dst_t_func[DST_ALG_GSSAPI]));
@@ -207,6 +234,8 @@ dst_lib_init(isc_mem_t *mctx, isc_entropy_t *ectx, unsigned int eflags) {
 	return (ISC_R_SUCCESS);
 
  out:
+	/* avoid immediate crash! */
+	dst_initialized = ISC_TRUE;
 	dst_lib_destroy();
 	return (result);
 }
@@ -225,9 +254,10 @@ dst_lib_destroy(void) {
 #endif
 	if (dst__memory_pool != NULL)
 		isc_mem_detach(&dst__memory_pool);
+#ifdef BIND9
 	if (dst_entropy_pool != NULL)
 		isc_entropy_detach(&dst_entropy_pool);
-
+#endif
 }
 
 isc_boolean_t
@@ -402,7 +432,7 @@ dst_key_fromfile(dns_name_t *name, dns_keytag_t id,
 		return (result);
 
 	key = NULL;
-	result = dst_key_fromnamedfile(filename, type, mctx, &key);
+	result = dst_key_fromnamedfile(filename, NULL, type, mctx, &key);
 	if (result != ISC_R_SUCCESS)
 		return (result);
 
@@ -424,12 +454,11 @@ dst_key_fromfile(dns_name_t *name, dns_keytag_t id,
 }
 
 isc_result_t
-dst_key_fromnamedfile(const char *filename, int type, isc_mem_t *mctx,
-		      dst_key_t **keyp)
+dst_key_fromnamedfile(const char *filename, const char *dirname,
+		      int type, isc_mem_t *mctx, dst_key_t **keyp)
 {
 	isc_result_t result;
 	dst_key_t *pubkey = NULL, *key = NULL;
-	dns_keytag_t id;
 	char *newfilename = NULL;
 	int newfilenamelen = 0;
 	isc_lex_t *lex = NULL;
@@ -440,11 +469,23 @@ dst_key_fromnamedfile(const char *filename, int type, isc_mem_t *mctx,
 	REQUIRE(mctx != NULL);
 	REQUIRE(keyp != NULL && *keyp == NULL);
 
+	/* If an absolute path is specified, don't use the key directory */
+#ifndef WIN32
+	if (filename[0] == '/')
+		dirname = NULL;
+#else /* WIN32 */
+	if (filename[0] == '/' || filename[0] == '\\')
+		dirname = NULL;
+#endif
+
 	newfilenamelen = strlen(filename) + 5;
+	if (dirname != NULL)
+		newfilenamelen += strlen(dirname) + 1;
 	newfilename = isc_mem_get(mctx, newfilenamelen);
 	if (newfilename == NULL)
 		return (ISC_R_NOMEMORY);
-	result = addsuffix(newfilename, newfilenamelen, filename, ".key");
+	result = addsuffix(newfilename, newfilenamelen,
+			   dirname, filename, ".key");
 	INSIST(result == ISC_R_SUCCESS);
 
 	result = dst_key_read_public(newfilename, type, mctx, &pubkey);
@@ -474,38 +515,43 @@ dst_key_fromnamedfile(const char *filename, int type, isc_mem_t *mctx,
 	key = get_key_struct(pubkey->key_name, pubkey->key_alg,
 			     pubkey->key_flags, pubkey->key_proto, 0,
 			     pubkey->key_class, mctx);
-	id = pubkey->key_id;
-	dst_key_free(&pubkey);
-
-	if (key == NULL)
+	if (key == NULL) {
+		dst_key_free(&pubkey);
 		return (ISC_R_NOMEMORY);
+	}
 
 	if (key->func->parse == NULL)
 		RETERR(DST_R_UNSUPPORTEDALG);
 
 	newfilenamelen = strlen(filename) + 9;
+	if (dirname != NULL)
+		newfilenamelen += strlen(dirname) + 1;
 	newfilename = isc_mem_get(mctx, newfilenamelen);
 	if (newfilename == NULL)
 		RETERR(ISC_R_NOMEMORY);
-	result = addsuffix(newfilename, newfilenamelen, filename, ".private");
+	result = addsuffix(newfilename, newfilenamelen,
+			   dirname, filename, ".private");
 	INSIST(result == ISC_R_SUCCESS);
 
 	RETERR(isc_lex_create(mctx, 1500, &lex));
 	RETERR(isc_lex_openfile(lex, newfilename));
 	isc_mem_put(mctx, newfilename, newfilenamelen);
 
-	RETERR(key->func->parse(key, lex));
+	RETERR(key->func->parse(key, lex, pubkey));
 	isc_lex_destroy(&lex);
 
 	RETERR(computeid(key));
 
-	if (id != key->key_id)
+	if (pubkey->key_id != key->key_id)
 		RETERR(DST_R_INVALIDPRIVATEKEY);
+	dst_key_free(&pubkey);
 
 	*keyp = key;
 	return (ISC_R_SUCCESS);
 
  out:
+	if (pubkey != NULL)
+		dst_key_free(&pubkey);
 	if (newfilename != NULL)
 		isc_mem_put(mctx, newfilename, newfilenamelen);
 	if (lex != NULL)
@@ -640,7 +686,7 @@ dst_key_privatefrombuffer(dst_key_t *key, isc_buffer_t *buffer) {
 
 	RETERR(isc_lex_create(key->mctx, 1500, &lex));
 	RETERR(isc_lex_openbuffer(lex, buffer));
-	RETERR(key->func->parse(key, lex));
+	RETERR(key->func->parse(key, lex, NULL));
  out:
 	if (lex != NULL)
 		isc_lex_destroy(&lex);
@@ -657,9 +703,10 @@ dst_key_getgssctx(const dst_key_t *key)
 
 isc_result_t
 dst_key_fromgssapi(dns_name_t *name, gss_ctx_id_t gssctx, isc_mem_t *mctx,
-		   dst_key_t **keyp)
+		   dst_key_t **keyp, isc_region_t *intoken)
 {
 	dst_key_t *key;
+	isc_result_t result;
 
 	REQUIRE(gssctx != NULL);
 	REQUIRE(keyp != NULL && *keyp == NULL);
@@ -669,9 +716,21 @@ dst_key_fromgssapi(dns_name_t *name, gss_ctx_id_t gssctx, isc_mem_t *mctx,
 	if (key == NULL)
 		return (ISC_R_NOMEMORY);
 
+	if (intoken != NULL) {
+		/*
+		 * Keep the token for use by external ssu rules. They may need
+		 * to examine the PAC in the kerberos ticket.
+		 */
+		RETERR(isc_buffer_allocate(key->mctx, &key->key_tkeytoken,
+		       intoken->length));
+		RETERR(isc_buffer_copyregion(key->key_tkeytoken, intoken));
+	}
+
 	key->keydata.gssctx = gssctx;
 	*keyp = key;
-	return (ISC_R_SUCCESS);
+	result = ISC_R_SUCCESS;
+out:
+	return result;
 }
 
 isc_result_t
@@ -723,6 +782,18 @@ dst_key_generate(dns_name_t *name, unsigned int alg,
 		 dns_rdataclass_t rdclass,
 		 isc_mem_t *mctx, dst_key_t **keyp)
 {
+	return (dst_key_generate2(name, alg, bits, param, flags, protocol,
+				  rdclass, mctx, keyp, NULL));
+}
+
+isc_result_t
+dst_key_generate2(dns_name_t *name, unsigned int alg,
+		  unsigned int bits, unsigned int param,
+		  unsigned int flags, unsigned int protocol,
+		  dns_rdataclass_t rdclass,
+		  isc_mem_t *mctx, dst_key_t **keyp,
+		  void (*callback)(int))
+{
 	dst_key_t *key;
 	isc_result_t ret;
 
@@ -748,7 +819,7 @@ dst_key_generate(dns_name_t *name, unsigned int alg,
 		return (DST_R_UNSUPPORTEDALG);
 	}
 
-	ret = key->func->generate(key, param);
+	ret = key->func->generate(key, param, callback);
 	if (ret != ISC_R_SUCCESS) {
 		dst_key_free(&key);
 		return (ret);
@@ -764,25 +835,185 @@ dst_key_generate(dns_name_t *name, unsigned int alg,
 	return (ISC_R_SUCCESS);
 }
 
-isc_boolean_t
-dst_key_compare(const dst_key_t *key1, const dst_key_t *key2) {
+isc_result_t
+dst_key_getnum(const dst_key_t *key, int type, isc_uint32_t *valuep)
+{
+	REQUIRE(VALID_KEY(key));
+	REQUIRE(valuep != NULL);
+	REQUIRE(type <= DST_MAX_NUMERIC);
+	if (!key->numset[type])
+		return (ISC_R_NOTFOUND);
+	*valuep = key->nums[type];
+	return (ISC_R_SUCCESS);
+}
+
+void
+dst_key_setnum(dst_key_t *key, int type, isc_uint32_t value)
+{
+	REQUIRE(VALID_KEY(key));
+	REQUIRE(type <= DST_MAX_NUMERIC);
+	key->nums[type] = value;
+	key->numset[type] = ISC_TRUE;
+}
+
+void
+dst_key_unsetnum(dst_key_t *key, int type)
+{
+	REQUIRE(VALID_KEY(key));
+	REQUIRE(type <= DST_MAX_NUMERIC);
+	key->numset[type] = ISC_FALSE;
+}
+
+isc_result_t
+dst_key_gettime(const dst_key_t *key, int type, isc_stdtime_t *timep) {
+	REQUIRE(VALID_KEY(key));
+	REQUIRE(timep != NULL);
+	REQUIRE(type <= DST_MAX_TIMES);
+	if (!key->timeset[type])
+		return (ISC_R_NOTFOUND);
+	*timep = key->times[type];
+	return (ISC_R_SUCCESS);
+}
+
+void
+dst_key_settime(dst_key_t *key, int type, isc_stdtime_t when) {
+	REQUIRE(VALID_KEY(key));
+	REQUIRE(type <= DST_MAX_TIMES);
+	key->times[type] = when;
+	key->timeset[type] = ISC_TRUE;
+}
+
+void
+dst_key_unsettime(dst_key_t *key, int type) {
+	REQUIRE(VALID_KEY(key));
+	REQUIRE(type <= DST_MAX_TIMES);
+	key->timeset[type] = ISC_FALSE;
+}
+
+isc_result_t
+dst_key_getprivateformat(const dst_key_t *key, int *majorp, int *minorp) {
+	REQUIRE(VALID_KEY(key));
+	REQUIRE(majorp != NULL);
+	REQUIRE(minorp != NULL);
+	*majorp = key->fmt_major;
+	*minorp = key->fmt_minor;
+	return (ISC_R_SUCCESS);
+}
+
+void
+dst_key_setprivateformat(dst_key_t *key, int major, int minor) {
+	REQUIRE(VALID_KEY(key));
+	key->fmt_major = major;
+	key->fmt_minor = minor;
+}
+
+static isc_boolean_t
+comparekeys(const dst_key_t *key1, const dst_key_t *key2,
+	    isc_boolean_t match_revoked_key,
+	    isc_boolean_t (*compare)(const dst_key_t *key1,
+				     const dst_key_t *key2))
+{
 	REQUIRE(dst_initialized == ISC_TRUE);
 	REQUIRE(VALID_KEY(key1));
 	REQUIRE(VALID_KEY(key2));
 
 	if (key1 == key2)
 		return (ISC_TRUE);
+
 	if (key1 == NULL || key2 == NULL)
 		return (ISC_FALSE);
-	if (key1->key_alg == key2->key_alg &&
-	    key1->key_id == key2->key_id &&
-	    key1->func->compare != NULL &&
-	    key1->func->compare(key1, key2) == ISC_TRUE)
-		return (ISC_TRUE);
+
+	if (key1->key_alg != key2->key_alg)
+		return (ISC_FALSE);
+
+	/*
+	 * For all algorithms except RSAMD5, revoking the key
+	 * changes the key ID, increasing it by 128.  If we want to
+	 * be able to find matching keys even if one of them is the
+	 * revoked version of the other one, then we need to check
+	 * for that possibility.
+	 */
+	if (key1->key_id != key2->key_id) {
+		if (!match_revoked_key)
+			return (ISC_FALSE);
+		if (key1->key_alg == DST_ALG_RSAMD5)
+			return (ISC_FALSE);
+		if ((key1->key_flags & DNS_KEYFLAG_REVOKE) ==
+		    (key2->key_flags & DNS_KEYFLAG_REVOKE))
+			return (ISC_FALSE);
+		if ((key1->key_flags & DNS_KEYFLAG_REVOKE) != 0 &&
+		    key1->key_id != ((key2->key_id + 128) & 0xffff))
+			return (ISC_FALSE);
+		if ((key2->key_flags & DNS_KEYFLAG_REVOKE) != 0 &&
+		    key2->key_id != ((key1->key_id + 128) & 0xffff))
+			return (ISC_FALSE);
+	}
+
+	if (compare != NULL)
+		return (compare(key1, key2));
 	else
 		return (ISC_FALSE);
 }
 
+
+/*
+ * Compares only the public portion of two keys, by converting them
+ * both to wire format and comparing the results.
+ */
+static isc_boolean_t
+pub_compare(const dst_key_t *key1, const dst_key_t *key2) {
+	isc_result_t result;
+	unsigned char buf1[DST_KEY_MAXSIZE], buf2[DST_KEY_MAXSIZE];
+	isc_buffer_t b1, b2;
+	isc_region_t r1, r2;
+
+	isc_buffer_init(&b1, buf1, sizeof(buf1));
+	result = dst_key_todns(key1, &b1);
+	if (result != ISC_R_SUCCESS)
+		return (ISC_FALSE);
+	/* Zero out flags. */
+	buf1[0] = buf1[1] = 0;
+	if ((key1->key_flags & DNS_KEYFLAG_EXTENDED) != 0)
+		isc_buffer_subtract(&b1, 2);
+
+	isc_buffer_init(&b2, buf2, sizeof(buf2));
+	result = dst_key_todns(key2, &b2);
+	if (result != ISC_R_SUCCESS)
+		return (ISC_FALSE);
+	/* Zero out flags. */
+	buf2[0] = buf2[1] = 0;
+	if ((key2->key_flags & DNS_KEYFLAG_EXTENDED) != 0)
+		isc_buffer_subtract(&b2, 2);
+
+	isc_buffer_usedregion(&b1, &r1);
+	/* Remove extended flags. */
+	if ((key1->key_flags & DNS_KEYFLAG_EXTENDED) != 0) {
+		memmove(&buf1[4], &buf1[6], r1.length - 6);
+		r1.length -= 2;
+	}
+
+	isc_buffer_usedregion(&b2, &r2);
+	/* Remove extended flags. */
+	if ((key2->key_flags & DNS_KEYFLAG_EXTENDED) != 0) {
+		memmove(&buf2[4], &buf2[6], r2.length - 6);
+		r2.length -= 2;
+	}
+	return (ISC_TF(isc_region_compare(&r1, &r2) == 0));
+}
+
+isc_boolean_t
+dst_key_compare(const dst_key_t *key1, const dst_key_t *key2) {
+	return (comparekeys(key1, key2, ISC_FALSE, key1->func->compare));
+}
+
+isc_boolean_t
+dst_key_pubcompare(const dst_key_t *key1, const dst_key_t *key2,
+		   isc_boolean_t match_revoked_key)
+{
+	return (comparekeys(key1, key2, match_revoked_key, pub_compare));
+}
+
+
 isc_boolean_t
 dst_key_paramcompare(const dst_key_t *key1, const dst_key_t *key2) {
 	REQUIRE(dst_initialized == ISC_TRUE);
@@ -839,6 +1070,9 @@ dst_key_free(dst_key_t **keyp) {
 		isc_mem_free(mctx, key->label);
 	dns_name_free(key->key_name, mctx);
 	isc_mem_put(mctx, key->key_name, sizeof(dns_name_t));
+	if (key->key_tkeytoken) {
+		isc_buffer_free(&key->key_tkeytoken);
+	}
 	memset(key, 0, sizeof(dst_key_t));
 	isc_mem_put(mctx, key, sizeof(dst_key_t));
 	*keyp = NULL;
@@ -882,6 +1116,9 @@ dst_key_sigsize(const dst_key_t *key, unsigned int *n) {
 	case DST_ALG_NSEC3DSA:
 		*n = DNS_SIG_DSASIGSIZE;
 		break;
+	case DST_ALG_ECCGOST:
+		*n = DNS_SIG_GOSTSIGSIZE;
+		break;
 	case DST_ALG_HMACMD5:
 		*n = 16;
 		break;
@@ -923,6 +1160,69 @@ dst_key_secretsize(const dst_key_t *key, unsigned int *n) {
 	return (ISC_R_SUCCESS);
 }
 
+/*%
+ * Set the flags on a key, then recompute the key ID
+ */
+isc_result_t
+dst_key_setflags(dst_key_t *key, isc_uint32_t flags) {
+	REQUIRE(VALID_KEY(key));
+	key->key_flags = flags;
+	return (computeid(key));
+}
+
+void
+dst_key_format(const dst_key_t *key, char *cp, unsigned int size) {
+	char namestr[DNS_NAME_FORMATSIZE];
+	char algstr[DNS_NAME_FORMATSIZE];
+
+	dns_name_format(dst_key_name(key), namestr, sizeof(namestr));
+	dns_secalg_format((dns_secalg_t) dst_key_alg(key), algstr,
+			  sizeof(algstr));
+	snprintf(cp, size, "%s/%s/%d", namestr, algstr, dst_key_id(key));
+}
+
+isc_result_t
+dst_key_dump(dst_key_t *key, isc_mem_t *mctx, char **buffer, int *length) {
+
+	REQUIRE(buffer != NULL && *buffer == NULL);
+	REQUIRE(length != NULL && *length == 0);
+	REQUIRE(VALID_KEY(key));
+
+	if (key->func->isprivate == NULL)
+		return (ISC_R_NOTIMPLEMENTED);
+	return (key->func->dump(key, mctx, buffer, length));
+}
+
+isc_result_t
+dst_key_restore(dns_name_t *name, unsigned int alg, unsigned int flags,
+		unsigned int protocol, dns_rdataclass_t rdclass,
+		isc_mem_t *mctx, const char *keystr, dst_key_t **keyp)
+{
+	isc_result_t result;
+	dst_key_t *key;
+
+	REQUIRE(dst_initialized == ISC_TRUE);
+	REQUIRE(keyp != NULL && *keyp == NULL);
+
+	if (alg >= DST_MAX_ALGS || dst_t_func[alg] == NULL)
+		return (DST_R_UNSUPPORTEDALG);
+
+	if (dst_t_func[alg]->restore == NULL)
+		return (ISC_R_NOTIMPLEMENTED);
+
+	key = get_key_struct(name, alg, flags, protocol, 0, rdclass, mctx);
+	if (key == NULL)
+		return (ISC_R_NOMEMORY);
+
+	result = (dst_t_func[alg]->restore)(key, keystr);
+	if (result == ISC_R_SUCCESS)
+		*keyp = key;
+	else
+		dst_key_free(&key);
+
+	return (result);
+}
+
 /***
  *** Static methods
  ***/
@@ -938,6 +1238,7 @@ get_key_struct(dns_name_t *name, unsigned int alg,
 {
 	dst_key_t *key;
 	isc_result_t result;
+	int i;
 
 	key = (dst_key_t *) isc_mem_get(mctx, sizeof(dst_key_t));
 	if (key == NULL)
@@ -974,6 +1275,12 @@ get_key_struct(dns_name_t *name, unsigned int alg,
 	key->key_size = bits;
 	key->key_class = rdclass;
 	key->func = dst_t_func[alg];
+	key->fmt_major = 0;
+	key->fmt_minor = 0;
+	for (i = 0; i < (DST_MAX_TIMES + 1); i++) {
+		key->times[i] = 0;
+		key->timeset[i] = ISC_FALSE;
+	}
 	return (key);
 }
 
@@ -1046,7 +1353,7 @@ dst_key_read_public(const char *filename, int type,
 	isc_buffer_init(&b, DST_AS_STR(token), strlen(DST_AS_STR(token)));
 	isc_buffer_add(&b, strlen(DST_AS_STR(token)));
 	ret = dns_name_fromtext(dns_fixedname_name(&name), &b, dns_rootname,
-				ISC_FALSE, NULL);
+				0, NULL);
 	if (ret != ISC_R_SUCCESS)
 		goto cleanup;
 
@@ -1116,6 +1423,7 @@ issymmetric(const dst_key_t *key) {
 	case DST_ALG_DSA:
 	case DST_ALG_NSEC3DSA:
 	case DST_ALG_DH:
+	case DST_ALG_ECCGOST:
 		return (ISC_FALSE);
 	case DST_ALG_HMACMD5:
 	case DST_ALG_GSSAPI:
@@ -1126,6 +1434,55 @@ issymmetric(const dst_key_t *key) {
 }
 
 /*%
+ * Write key timing metadata to a file pointer, preceded by 'tag'
+ */
+static void
+printtime(const dst_key_t *key, int type, const char *tag, FILE *stream) {
+	isc_result_t result;
+#ifdef ISC_PLATFORM_USETHREADS
+	char output[26]; /* Minimum buffer as per ctime_r() specification. */
+#else
+	const char *output;
+#endif
+	isc_stdtime_t when;
+	time_t t;
+	char utc[sizeof("YYYYMMDDHHSSMM")];
+	isc_buffer_t b;
+	isc_region_t r;
+
+	result = dst_key_gettime(key, type, &when);
+	if (result == ISC_R_NOTFOUND)
+		return;
+
+	/* time_t and isc_stdtime_t might be different sizes */
+	t = when;
+#ifdef ISC_PLATFORM_USETHREADS
+#ifdef WIN32
+	if (ctime_s(output, sizeof(output), &t) != 0)
+		goto error;
+#else
+	if (ctime_r(&t, output) == NULL)
+		goto error;
+#endif
+#else
+	output = ctime(&t);
+#endif
+
+	isc_buffer_init(&b, utc, sizeof(utc));
+	result = dns_time32_totext(when, &b);
+	if (result != ISC_R_SUCCESS)
+		goto error;
+
+	isc_buffer_usedregion(&b, &r);
+	fprintf(stream, "%s: %.*s (%.*s)\n", tag, (int)r.length, r.base,
+		 (int)strlen(output) - 1, output);
+	return;
+
+ error:
+	fprintf(stream, "%s: (set, unable to display)\n", tag);
+}
+
+/*%
  * Writes a public key to disk in DNS format.
  */
 static isc_result_t
@@ -1184,12 +1541,34 @@ write_public_key(const dst_key_t *key, int type, const char *directory) {
 		(void)isc_fsaccess_set(filename, access);
 	}
 
-	ret = dns_name_print(key->key_name, fp);
-	if (ret != ISC_R_SUCCESS) {
-		fclose(fp);
-		return (ret);
+	/* Write key information in comments */
+	if ((type & DST_TYPE_KEY) == 0) {
+		fprintf(fp, "; This is a %s%s-signing key, keyid %d, for ",
+			(key->key_flags & DNS_KEYFLAG_REVOKE) != 0 ?
+				"revoked " :
+				"",
+			(key->key_flags & DNS_KEYFLAG_KSK) != 0 ?
+				"key" :
+				"zone",
+			key->key_id);
+		ret = dns_name_print(key->key_name, fp);
+		if (ret != ISC_R_SUCCESS) {
+			fclose(fp);
+			return (ret);
+		}
+		fputc('\n', fp);
+
+		printtime(key, DST_TIME_CREATED, "; Created", fp);
+		printtime(key, DST_TIME_PUBLISH, "; Publish", fp);
+		printtime(key, DST_TIME_ACTIVATE, "; Activate", fp);
+		printtime(key, DST_TIME_REVOKE, "; Revoke", fp);
+		printtime(key, DST_TIME_INACTIVE, "; Inactive", fp);
+		printtime(key, DST_TIME_DELETE, "; Delete", fp);
 	}
 
+	/* Now print the actual key */
+	ret = dns_name_print(key->key_name, fp);
+
 	fprintf(fp, " ");
 
 	isc_buffer_usedregion(&classb, &r);
@@ -1317,15 +1696,16 @@ algorithm_status(unsigned int alg) {
 	    alg == DST_ALG_DSA || alg == DST_ALG_DH ||
 	    alg == DST_ALG_HMACMD5 || alg == DST_ALG_NSEC3DSA ||
 	    alg == DST_ALG_NSEC3RSASHA1 ||
-	    alg == DST_ALG_RSASHA256 || alg == DST_ALG_RSASHA512)
+	    alg == DST_ALG_RSASHA256 || alg == DST_ALG_RSASHA512 ||
+	    alg == DST_ALG_ECCGOST)
 		return (DST_R_NOCRYPTO);
 #endif
 	return (DST_R_UNSUPPORTEDALG);
 }
 
 static isc_result_t
-addsuffix(char *filename, unsigned int len, const char *ofilename,
-	  const char *suffix)
+addsuffix(char *filename, int len, const char *odirname,
+	  const char *ofilename, const char *suffix)
 {
 	int olen = strlen(ofilename);
 	int n;
@@ -1337,27 +1717,42 @@ addsuffix(char *filename, unsigned int len, const char *ofilename,
 	else if (olen > 4 && strcmp(ofilename + olen - 4, ".key") == 0)
 		olen -= 4;
 
-	n = snprintf(filename, len, "%.*s%s", olen, ofilename, suffix);
+	if (odirname == NULL)
+		n = snprintf(filename, len, "%.*s%s", olen, ofilename, suffix);
+	else
+		n = snprintf(filename, len, "%s/%.*s%s",
+			     odirname, olen, ofilename, suffix);
 	if (n < 0)
 		return (ISC_R_FAILURE);
-	if ((unsigned int)n >= len)
+	if (n >= len)
 		return (ISC_R_NOSPACE);
 	return (ISC_R_SUCCESS);
 }
 
 isc_result_t
 dst__entropy_getdata(void *buf, unsigned int len, isc_boolean_t pseudo) {
+#ifdef BIND9
 	unsigned int flags = dst_entropy_flags;
 
 	if (len == 0)
 		return (ISC_R_SUCCESS);
 	if (pseudo)
 		flags &= ~ISC_ENTROPY_GOODONLY;
+	else
+		flags |= ISC_ENTROPY_BLOCKING;
 	return (isc_entropy_getdata(dst_entropy_pool, buf, len, NULL, flags));
+#else
+	UNUSED(buf);
+	UNUSED(len);
+	UNUSED(pseudo);
+
+	return (ISC_R_NOTIMPLEMENTED);
+#endif
 }
 
 unsigned int
 dst__entropy_status(void) {
+#ifdef BIND9
 #ifdef GSSAPI
 	unsigned int flags = dst_entropy_flags;
 	isc_result_t ret;
@@ -1376,4 +1771,12 @@ dst__entropy_status(void) {
 	}
 #endif
 	return (isc_entropy_status(dst_entropy_pool));
+#else
+	return (0);
+#endif
+}
+
+isc_buffer_t *
+dst_key_tkeytoken(const dst_key_t *key) {
+	return (key->key_tkeytoken);
 }
diff --git a/lib/dns/dst_internal.h b/lib/dns/dst_internal.h
index 01bf1f2..220b3da 100644
--- a/lib/dns/dst_internal.h
+++ b/lib/dns/dst_internal.h
@@ -1,5 +1,5 @@
 /*
- * Portions Copyright (C) 2004-2008, 2010  Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (C) 2004-2011  Internet Systems Consortium, Inc. ("ISC")
  * Portions Copyright (C) 2000-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -29,7 +29,7 @@
  * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: dst_internal.h,v 1.11.120.3 2010-12-09 01:12:55 marka Exp $ */
+/* $Id: dst_internal.h,v 1.29 2011-01-11 23:47:13 tbox Exp $ */
 
 #ifndef DST_DST_INTERNAL_H
 #define DST_DST_INTERNAL_H 1
@@ -44,9 +44,12 @@
 #include 
 #include 
 #include 
+#include 
 #include 
 #include 
 
+#include 
+
 #include 
 
 #ifdef OPENSSL
@@ -60,8 +63,8 @@
 
 ISC_LANG_BEGINDECLS
 
-#define KEY_MAGIC       ISC_MAGIC('D','S','T','K')
-#define CTX_MAGIC       ISC_MAGIC('D','S','T','C')
+#define KEY_MAGIC	ISC_MAGIC('D','S','T','K')
+#define CTX_MAGIC	ISC_MAGIC('D','S','T','C')
 
 #define VALID_KEY(x) ISC_MAGIC_VALID(x, KEY_MAGIC)
 #define VALID_CTX(x) ISC_MAGIC_VALID(x, CTX_MAGIC)
@@ -74,7 +77,7 @@ extern isc_mem_t *dst__memory_pool;
 
 typedef struct dst_func dst_func_t;
 
-typedef struct dst_hmacmd5_key    dst_hmacmd5_key_t;
+typedef struct dst_hmacmd5_key	  dst_hmacmd5_key_t;
 typedef struct dst_hmacsha1_key   dst_hmacsha1_key_t;
 typedef struct dst_hmacsha224_key dst_hmacsha224_key_t;
 typedef struct dst_hmacsha256_key dst_hmacsha256_key_t;
@@ -115,7 +118,17 @@ struct dst_key {
 		dst_hmacsha512_key_t *hmacsha512;
 
 	} keydata;			/*%< pointer to key in crypto pkg fmt */
-	dst_func_t *	func;		/*%< crypto package specific functions */
+
+	isc_stdtime_t	times[DST_MAX_TIMES + 1];    /*%< timing metadata */
+	isc_boolean_t	timeset[DST_MAX_TIMES + 1];  /*%< data set? */
+	isc_stdtime_t	nums[DST_MAX_NUMERIC + 1];   /*%< numeric metadata */
+	isc_boolean_t	numset[DST_MAX_NUMERIC + 1]; /*%< data set? */
+
+	int		fmt_major;     /*%< private key format, major version */
+	int		fmt_minor;     /*%< private key format, minor version */
+
+	dst_func_t *    func;	       /*%< crypto package specific functions */
+	isc_buffer_t   *key_tkeytoken; /*%< TKEY token data */
 };
 
 struct dst_context {
@@ -160,7 +173,8 @@ struct dst_func {
 	isc_boolean_t (*compare)(const dst_key_t *key1, const dst_key_t *key2);
 	isc_boolean_t (*paramcompare)(const dst_key_t *key1,
 				      const dst_key_t *key2);
-	isc_result_t (*generate)(dst_key_t *key, int parms);
+	isc_result_t (*generate)(dst_key_t *key, int parms,
+				 void (*callback)(int));
 	isc_boolean_t (*isprivate)(const dst_key_t *key);
 	void (*destroy)(dst_key_t *key);
 
@@ -168,19 +182,24 @@ struct dst_func {
 	isc_result_t (*todns)(const dst_key_t *key, isc_buffer_t *data);
 	isc_result_t (*fromdns)(dst_key_t *key, isc_buffer_t *data);
 	isc_result_t (*tofile)(const dst_key_t *key, const char *directory);
-	isc_result_t (*parse)(dst_key_t *key, isc_lex_t *lexer);
+	isc_result_t (*parse)(dst_key_t *key,
+			      isc_lex_t *lexer,
+			      dst_key_t *pub);
 
 	/* cleanup */
 	void (*cleanup)(void);
 
 	isc_result_t (*fromlabel)(dst_key_t *key, const char *engine,
 				  const char *label, const char *pin);
+	isc_result_t (*dump)(dst_key_t *key, isc_mem_t *mctx, char **buffer,
+			     int *length);
+	isc_result_t (*restore)(dst_key_t *key, const char *keystr);
 };
 
 /*%
  * Initializers
  */
-isc_result_t dst__openssl_init(void);
+isc_result_t dst__openssl_init(const char *engine);
 
 isc_result_t dst__hmacmd5_init(struct dst_func **funcp);
 isc_result_t dst__hmacsha1_init(struct dst_func **funcp);
@@ -193,6 +212,9 @@ isc_result_t dst__opensslrsa_init(struct dst_func **funcp,
 isc_result_t dst__openssldsa_init(struct dst_func **funcp);
 isc_result_t dst__openssldh_init(struct dst_func **funcp);
 isc_result_t dst__gssapi_init(struct dst_func **funcp);
+#ifdef HAVE_OPENSSL_GOST
+isc_result_t dst__opensslgost_init(struct dst_func **funcp);
+#endif
 
 /*%
  * Destructors
diff --git a/lib/dns/dst_openssl.h b/lib/dns/dst_openssl.h
index a095d45..781085b 100644
--- a/lib/dns/dst_openssl.h
+++ b/lib/dns/dst_openssl.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007, 2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007-2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: dst_openssl.h,v 1.7 2008-04-01 23:47:10 tbox Exp $ */
+/* $Id: dst_openssl.h,v 1.9 2009-10-06 04:40:14 tbox Exp $ */
 
 #ifndef DST_OPENSSL_H
 #define DST_OPENSSL_H 1
@@ -29,10 +29,7 @@ isc_result_t
 dst__openssl_toresult(isc_result_t fallback);
 
 ENGINE *
-dst__openssl_getengine(const char *name);
-
-isc_result_t
-dst__openssl_setdefault(const char *name);
+dst__openssl_getengine(const char *engine);
 
 ISC_LANG_ENDDECLS
 
diff --git a/lib/dns/dst_parse.c b/lib/dns/dst_parse.c
index 37264be..4d7d784 100644
--- a/lib/dns/dst_parse.c
+++ b/lib/dns/dst_parse.c
@@ -31,7 +31,7 @@
 
 /*%
  * Principal Author: Brian Wellington
- * $Id: dst_parse.c,v 1.14.120.6 2010-01-15 19:38:53 each Exp $
+ * $Id: dst_parse.c,v 1.27 2010-12-23 04:07:58 marka Exp $
  */
 
 #include 
@@ -41,9 +41,12 @@
 #include 
 #include 
 #include 
+#include 
 #include 
 #include 
 
+#include 
+
 #include "dst_internal.h"
 #include "dst_parse.h"
 #include "dst/result.h"
@@ -53,6 +56,25 @@
 #define PRIVATE_KEY_STR "Private-key-format:"
 #define ALGORITHM_STR "Algorithm:"
 
+#define TIMING_NTAGS (DST_MAX_TIMES + 1)
+static const char *timetags[TIMING_NTAGS] = {
+	"Created:",
+	"Publish:",
+	"Activate:",
+	"Revoke:",
+	"Inactive:",
+	"Delete:",
+	"DSPublish:"
+};
+
+#define NUMERIC_NTAGS (DST_MAX_NUMERIC + 1)
+static const char *numerictags[NUMERIC_NTAGS] = {
+	"Predecessor:",
+	"Successor:",
+	"MaxTTL:",
+	"RollPeriod:"
+};
+
 struct parse_map {
 	const int value;
 	const char *tag;
@@ -82,6 +104,8 @@ static struct parse_map map[] = {
 	{TAG_DSA_PRIVATE, "Private_value(x):"},
 	{TAG_DSA_PUBLIC, "Public_value(y):"},
 
+	{TAG_GOST_PRIVASN1, "GostAsn1:"},
+
 	{TAG_HMACMD5_KEY, "Key:"},
 	{TAG_HMACMD5_BITS, "Bits:"},
 
@@ -107,13 +131,12 @@ static int
 find_value(const char *s, const unsigned int alg) {
 	int i;
 
-	for (i = 0; ; i++) {
-		if (map[i].tag == NULL)
-			return (-1);
-		else if (strcasecmp(s, map[i].tag) == 0 &&
-			 TAG_ALG(map[i].value) == alg)
+	for (i = 0; map[i].tag != NULL; i++) {
+		if (strcasecmp(s, map[i].tag) == 0 &&
+		    (TAG_ALG(map[i].value) == alg))
 			return (map[i].value);
 	}
+	return (-1);
 }
 
 static const char *
@@ -129,6 +152,28 @@ find_tag(const int value) {
 }
 
 static int
+find_metadata(const char *s, const char *tags[], int ntags) {
+	int i;
+
+	for (i = 0; i < ntags; i++) {
+		if (strcasecmp(s, tags[i]) == 0)
+			return (i);
+	}
+
+	return (-1);
+}
+
+static int
+find_timedata(const char *s) {
+	return (find_metadata(s, timetags, TIMING_NTAGS));
+}
+
+static int
+find_numericdata(const char *s) {
+	return (find_metadata(s, numerictags, NUMERIC_NTAGS));
+}
+
+static int
 check_rsa(const dst_private_t *priv) {
 	int i, j;
 	isc_boolean_t have[RSA_NTAGS];
@@ -197,6 +242,15 @@ check_dsa(const dst_private_t *priv) {
 }
 
 static int
+check_gost(const dst_private_t *priv) {
+	if (priv->nelements != GOST_NTAGS)
+		return (-1);
+	if (priv->elements[0].tag != TAG(DST_ALG_ECCGOST, 0))
+		return (-1);
+	return (0);
+}
+
+static int
 check_hmac_md5(const dst_private_t *priv, isc_boolean_t old) {
 	int i, j;
 
@@ -253,6 +307,8 @@ check_data(const dst_private_t *priv, const unsigned int alg,
 		return (check_dh(priv));
 	case DST_ALG_DSA:
 		return (check_dsa(priv));
+	case DST_ALG_ECCGOST:
+		return (check_gost(priv));
 	case DST_ALG_HMACMD5:
 		return (check_hmac_md5(priv, old));
 	case DST_ALG_HMACSHA1:
@@ -285,7 +341,7 @@ dst__privstruct_free(dst_private_t *priv, isc_mem_t *mctx) {
 	priv->nelements = 0;
 }
 
-int
+isc_result_t
 dst__privstruct_parse(dst_key_t *key, unsigned int alg, isc_lex_t *lex,
 		      isc_mem_t *mctx, dst_private_t *priv)
 {
@@ -294,6 +350,7 @@ dst__privstruct_parse(dst_key_t *key, unsigned int alg, isc_lex_t *lex,
 	isc_token_t token;
 	unsigned char *data = NULL;
 	unsigned int opt = ISC_LEXOPT_EOL;
+	isc_stdtime_t when;
 	isc_result_t ret;
 
 	REQUIRE(priv != NULL);
@@ -341,13 +398,16 @@ dst__privstruct_parse(dst_key_t *key, unsigned int alg, isc_lex_t *lex,
 		goto fail;
 	}
 
-	if (major > MAJOR_VERSION ||
-	    (major == MAJOR_VERSION && minor > MINOR_VERSION))
-	{
+	if (major > DST_MAJOR_VERSION) {
 		ret = DST_R_INVALIDPRIVATEKEY;
 		goto fail;
 	}
 
+	/*
+	 * Store the private key format version number
+	 */
+	dst_key_setprivateformat(key, major, minor);
+
 	READLINE(lex, opt, &token);
 
 	/*
@@ -377,7 +437,6 @@ dst__privstruct_parse(dst_key_t *key, unsigned int alg, isc_lex_t *lex,
 	for (n = 0; n < MAXFIELDS; n++) {
 		int tag;
 		isc_region_t r;
-
 		do {
 			ret = isc_lex_gettoken(lex, opt, &token);
 			if (ret == ISC_R_EOF)
@@ -391,11 +450,50 @@ dst__privstruct_parse(dst_key_t *key, unsigned int alg, isc_lex_t *lex,
 			goto fail;
 		}
 
+		/* Numeric metadata */
+		tag = find_numericdata(DST_AS_STR(token));
+		if (tag >= 0) {
+			INSIST(tag < NUMERIC_NTAGS);
+
+			NEXTTOKEN(lex, opt | ISC_LEXOPT_NUMBER, &token);
+			if (token.type != isc_tokentype_number) {
+				ret = DST_R_INVALIDPRIVATEKEY;
+				goto fail;
+			}
+
+			dst_key_setnum(key, tag, token.value.as_ulong);
+			goto next;
+		}
+
+		/* Timing metadata */
+		tag = find_timedata(DST_AS_STR(token));
+		if (tag >= 0) {
+			INSIST(tag < TIMING_NTAGS);
+
+			NEXTTOKEN(lex, opt, &token);
+			if (token.type != isc_tokentype_string) {
+				ret = DST_R_INVALIDPRIVATEKEY;
+				goto fail;
+			}
+
+			ret = dns_time32_fromtext(DST_AS_STR(token), &when);
+			if (ret != ISC_R_SUCCESS)
+				goto fail;
+
+			dst_key_settime(key, tag, when);
+
+			goto next;
+		}
+
+		/* Key data */
 		tag = find_value(DST_AS_STR(token), alg);
-		if (tag < 0 || TAG_ALG(tag) != alg) {
+		if (tag < 0 && minor > DST_MINOR_VERSION)
+			goto next;
+		else if (tag < 0) {
 			ret = DST_R_INVALIDPRIVATEKEY;
 			goto fail;
 		}
+
 		priv->elements[n].tag = tag;
 
 		data = (unsigned char *) isc_mem_get(mctx, MAXFIELDSIZE);
@@ -406,23 +504,23 @@ dst__privstruct_parse(dst_key_t *key, unsigned int alg, isc_lex_t *lex,
 		ret = isc_base64_tobuffer(lex, &b, -1);
 		if (ret != ISC_R_SUCCESS)
 			goto fail;
+
 		isc_buffer_usedregion(&b, &r);
 		priv->elements[n].length = r.length;
 		priv->elements[n].data = r.base;
+		priv->nelements++;
 
+	  next:
 		READLINE(lex, opt, &token);
 		data = NULL;
 	}
  done:
-	priv->nelements = n;
-
 	if (check_data(priv, alg, ISC_TRUE) < 0)
 		goto fail;
 
 	return (ISC_R_SUCCESS);
 
 fail:
-	priv->nelements = n;
 	dst__privstruct_free(priv, mctx);
 	if (data != NULL)
 		isc_mem_put(mctx, data, MAXFIELDSIZE);
@@ -430,17 +528,21 @@ fail:
 	return (ret);
 }
 
-int
+isc_result_t
 dst__privstruct_writefile(const dst_key_t *key, const dst_private_t *priv,
 			  const char *directory)
 {
 	FILE *fp;
 	int ret, i;
-	isc_result_t iret;
+	isc_result_t result;
 	char filename[ISC_DIR_NAMEMAX];
 	char buffer[MAXFIELDSIZE * 2];
-	isc_buffer_t b;
 	isc_fsaccess_t access;
+	isc_stdtime_t when;
+	isc_uint32_t value;
+	isc_buffer_t b;
+	isc_region_t r;
+	int major, minor;
 
 	REQUIRE(priv != NULL);
 
@@ -461,11 +563,17 @@ dst__privstruct_writefile(const dst_key_t *key, const dst_private_t *priv,
 			 &access);
 	(void)isc_fsaccess_set(filename, access);
 
+	dst_key_getprivateformat(key, &major, &minor);
+	if (major == 0 && minor == 0) {
+		major = DST_MAJOR_VERSION;
+		minor = DST_MINOR_VERSION;
+	}
+
 	/* XXXDCL return value should be checked for full filesystem */
-	fprintf(fp, "%s v%d.%d\n", PRIVATE_KEY_STR, MAJOR_VERSION,
-		MINOR_VERSION);
+	fprintf(fp, "%s v%d.%d\n", PRIVATE_KEY_STR, major, minor);
 
 	fprintf(fp, "%s %d ", ALGORITHM_STR, dst_key_alg(key));
+
 	/* XXXVIX this switch statement is too sparse to gen a jump table. */
 	switch (dst_key_alg(key)) {
 	case DST_ALG_RSAMD5:
@@ -480,18 +588,21 @@ dst__privstruct_writefile(const dst_key_t *key, const dst_private_t *priv,
 	case DST_ALG_RSASHA1:
 		fprintf(fp, "(RSASHA1)\n");
 		break;
-	case DST_ALG_NSEC3DSA:
-		fprintf(fp, "(NSEC3DSA)\n");
-		break;
 	case DST_ALG_NSEC3RSASHA1:
 		fprintf(fp, "(NSEC3RSASHA1)\n");
 		break;
+	case DST_ALG_NSEC3DSA:
+		fprintf(fp, "(NSEC3DSA)\n");
+		break;
 	case DST_ALG_RSASHA256:
 		fprintf(fp, "(RSASHA256)\n");
 		break;
 	case DST_ALG_RSASHA512:
 		fprintf(fp, "(RSASHA512)\n");
 		break;
+	case DST_ALG_ECCGOST:
+		fprintf(fp, "(ECC-GOST)\n");
+		break;
 	case DST_ALG_HMACMD5:
 		fprintf(fp, "(HMAC_MD5)\n");
 		break;
@@ -516,8 +627,6 @@ dst__privstruct_writefile(const dst_key_t *key, const dst_private_t *priv,
 	}
 
 	for (i = 0; i < priv->nelements; i++) {
-		isc_buffer_t b;
-		isc_region_t r;
 		const char *s;
 
 		s = find_tag(priv->elements[i].tag);
@@ -525,8 +634,8 @@ dst__privstruct_writefile(const dst_key_t *key, const dst_private_t *priv,
 		r.base = priv->elements[i].data;
 		r.length = priv->elements[i].length;
 		isc_buffer_init(&b, buffer, sizeof(buffer));
-		iret = isc_base64_totext(&r, sizeof(buffer), "", &b);
-		if (iret != ISC_R_SUCCESS) {
+		result = isc_base64_totext(&r, sizeof(buffer), "", &b);
+		if (result != ISC_R_SUCCESS) {
 			fclose(fp);
 			return (DST_R_INVALIDPRIVATEKEY);
 		}
@@ -537,10 +646,36 @@ dst__privstruct_writefile(const dst_key_t *key, const dst_private_t *priv,
 		fprintf(fp, "\n");
 	}
 
+	/* Add the metadata tags */
+	if (major > 1 || (major == 1 && minor >= 3)) {
+		for (i = 0; i < NUMERIC_NTAGS; i++) {
+			result = dst_key_getnum(key, i, &value);
+			if (result != ISC_R_SUCCESS)
+				continue;
+			fprintf(fp, "%s %u\n", numerictags[i], value);
+		}
+		for (i = 0; i < TIMING_NTAGS; i++) {
+			result = dst_key_gettime(key, i, &when);
+			if (result != ISC_R_SUCCESS)
+				continue;
+
+			isc_buffer_init(&b, buffer, sizeof(buffer));
+			result = dns_time32_totext(when, &b);
+			if (result != ISC_R_SUCCESS)
+				continue;
+
+			isc_buffer_usedregion(&b, &r);
+
+			fprintf(fp, "%s ", timetags[i]);
+			isc_util_fwrite(r.base, 1, r.length, fp);
+			fprintf(fp, "\n");
+		}
+	}
+
 	fflush(fp);
-	iret = ferror(fp) ? DST_R_WRITEERROR : ISC_R_SUCCESS;
+	result = ferror(fp) ? DST_R_WRITEERROR : ISC_R_SUCCESS;
 	fclose(fp);
-	return (iret);
+	return (result);
 }
 
 /*! \file */
diff --git a/lib/dns/dst_parse.h b/lib/dns/dst_parse.h
index 11e2b33..d1034ce 100644
--- a/lib/dns/dst_parse.h
+++ b/lib/dns/dst_parse.h
@@ -1,5 +1,5 @@
 /*
- * Portions Copyright (C) 2004-2008  Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (C) 2004-2010  Internet Systems Consortium, Inc. ("ISC")
  * Portions Copyright (C) 2000-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -29,7 +29,7 @@
  * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: dst_parse.h,v 1.11 2008-05-15 00:50:26 each Exp $ */
+/* $Id: dst_parse.h,v 1.17 2010-12-23 23:47:08 tbox Exp $ */
 
 /*! \file */
 #ifndef DST_DST_PARSE_H
@@ -39,11 +39,13 @@
 
 #include 
 
-#define MAJOR_VERSION		1
-#define MINOR_VERSION		2
-
 #define MAXFIELDSIZE		512
-#define MAXFIELDS		12
+
+/*
+ * Maximum number of fields in a private file is 18 (12 algorithm-
+ * specific fields for RSA, plus 6 generic fields).
+ */
+#define MAXFIELDS		12+6
 
 #define TAG_SHIFT		4
 #define TAG_ALG(tag)		((unsigned int)(tag) >> TAG_SHIFT)
@@ -76,6 +78,9 @@
 #define TAG_DSA_PRIVATE		((DST_ALG_DSA << TAG_SHIFT) + 3)
 #define TAG_DSA_PUBLIC		((DST_ALG_DSA << TAG_SHIFT) + 4)
 
+#define GOST_NTAGS		1
+#define TAG_GOST_PRIVASN1	((DST_ALG_ECCGOST << TAG_SHIFT) + 0)
+
 #define OLD_HMACMD5_NTAGS	1
 #define HMACMD5_NTAGS		2
 #define TAG_HMACMD5_KEY		((DST_ALG_HMACMD5 << TAG_SHIFT) + 0)
@@ -121,11 +126,11 @@ ISC_LANG_BEGINDECLS
 void
 dst__privstruct_free(dst_private_t *priv, isc_mem_t *mctx);
 
-int
+isc_result_t
 dst__privstruct_parse(dst_key_t *key, unsigned int alg, isc_lex_t *lex,
 		      isc_mem_t *mctx, dst_private_t *priv);
 
-int
+isc_result_t
 dst__privstruct_writefile(const dst_key_t *key, const dst_private_t *priv,
 			  const char *directory);
 
diff --git a/lib/dns/ecdb.c b/lib/dns/ecdb.c
new file mode 100644
index 0000000..d98a3eb
--- /dev/null
+++ b/lib/dns/ecdb.c
@@ -0,0 +1,810 @@
+/*
+ * Copyright (C) 2009-2011  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: ecdb.c,v 1.8 2011-01-14 00:51:43 tbox Exp $ */
+
+#include "config.h"
+
+#include 
+#include 
+#include 
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#define ECDB_MAGIC		ISC_MAGIC('E', 'C', 'D', 'B')
+#define VALID_ECDB(db)		((db) != NULL && \
+				 (db)->common.impmagic == ECDB_MAGIC)
+
+#define ECDBNODE_MAGIC		ISC_MAGIC('E', 'C', 'D', 'N')
+#define VALID_ECDBNODE(ecdbn)	ISC_MAGIC_VALID(ecdbn, ECDBNODE_MAGIC)
+
+#if DNS_RDATASET_FIXED
+#error "Fixed rdataset isn't supported in this implementation"
+#endif
+
+/*%
+ * The 'ephemeral' cache DB (ecdb) implementation.  An ecdb just provides
+ * temporary storage for ongoing name resolution with the common DB interfaces.
+ * It actually doesn't cache anything.  The implementation expects any stored
+ * data is released within a short period, and does not care about the
+ * scalability in terms of the number of nodes.
+ */
+
+typedef struct dns_ecdb {
+	/* Unlocked */
+	dns_db_t			common;
+	isc_mutex_t			lock;
+
+	/* Locked */
+	unsigned int			references;
+	ISC_LIST(struct dns_ecdbnode)	nodes;
+} dns_ecdb_t;
+
+typedef struct dns_ecdbnode {
+	/* Unlocked */
+	unsigned int			magic;
+	isc_mutex_t			lock;
+	dns_ecdb_t			*ecdb;
+	dns_name_t			name;
+	ISC_LINK(struct dns_ecdbnode)	link;
+
+	/* Locked */
+	ISC_LIST(struct rdatasetheader)	rdatasets;
+	unsigned int			references;
+} dns_ecdbnode_t;
+
+typedef struct rdatasetheader {
+	dns_rdatatype_t			type;
+	dns_ttl_t			ttl;
+	dns_trust_t			trust;
+	dns_rdatatype_t			covers;
+	unsigned int			attributes;
+
+	ISC_LINK(struct rdatasetheader)	link;
+} rdatasetheader_t;
+
+/* Copied from rbtdb.c */
+#define RDATASET_ATTR_NXDOMAIN		0x0010
+#define NXDOMAIN(header) \
+	(((header)->attributes & RDATASET_ATTR_NXDOMAIN) != 0)
+
+static isc_result_t dns_ecdb_create(isc_mem_t *mctx, dns_name_t *origin,
+				    dns_dbtype_t type,
+				    dns_rdataclass_t rdclass,
+				    unsigned int argc, char *argv[],
+				    void *driverarg, dns_db_t **dbp);
+
+static void rdataset_disassociate(dns_rdataset_t *rdataset);
+static isc_result_t rdataset_first(dns_rdataset_t *rdataset);
+static isc_result_t rdataset_next(dns_rdataset_t *rdataset);
+static void rdataset_current(dns_rdataset_t *rdataset, dns_rdata_t *rdata);
+static void rdataset_clone(dns_rdataset_t *source, dns_rdataset_t *target);
+static unsigned int rdataset_count(dns_rdataset_t *rdataset);
+static void rdataset_settrust(dns_rdataset_t *rdataset, dns_trust_t trust);
+
+static dns_rdatasetmethods_t rdataset_methods = {
+	rdataset_disassociate,
+	rdataset_first,
+	rdataset_next,
+	rdataset_current,
+	rdataset_clone,
+	rdataset_count,
+	NULL,			/* addnoqname */
+	NULL,			/* getnoqname */
+	NULL,			/* addclosest */
+	NULL,			/* getclosest */
+	NULL,			/* getadditional */
+	NULL,			/* setadditional */
+	NULL,			/* putadditional */
+	rdataset_settrust,	/* settrust */
+	NULL			/* expire */
+};
+
+typedef struct ecdb_rdatasetiter {
+	dns_rdatasetiter_t		common;
+	rdatasetheader_t	       *current;
+} ecdb_rdatasetiter_t;
+
+static void		rdatasetiter_destroy(dns_rdatasetiter_t **iteratorp);
+static isc_result_t	rdatasetiter_first(dns_rdatasetiter_t *iterator);
+static isc_result_t	rdatasetiter_next(dns_rdatasetiter_t *iterator);
+static void		rdatasetiter_current(dns_rdatasetiter_t *iterator,
+					     dns_rdataset_t *rdataset);
+
+static dns_rdatasetitermethods_t rdatasetiter_methods = {
+	rdatasetiter_destroy,
+	rdatasetiter_first,
+	rdatasetiter_next,
+	rdatasetiter_current
+};
+
+isc_result_t
+dns_ecdb_register(isc_mem_t *mctx, dns_dbimplementation_t **dbimp) {
+	REQUIRE(mctx != NULL);
+	REQUIRE(dbimp != NULL && *dbimp == NULL);
+
+	return (dns_db_register("ecdb", dns_ecdb_create, NULL, mctx, dbimp));
+}
+
+void
+dns_ecdb_unregister(dns_dbimplementation_t **dbimp) {
+	REQUIRE(dbimp != NULL && *dbimp != NULL);
+
+	dns_db_unregister(dbimp);
+}
+
+/*%
+ * DB routines
+ */
+
+static void
+attach(dns_db_t *source, dns_db_t **targetp) {
+	dns_ecdb_t *ecdb = (dns_ecdb_t *)source;
+
+	REQUIRE(VALID_ECDB(ecdb));
+	REQUIRE(targetp != NULL && *targetp == NULL);
+
+	LOCK(&ecdb->lock);
+	ecdb->references++;
+	UNLOCK(&ecdb->lock);
+
+	*targetp = source;
+}
+
+static void
+destroy_ecdb(dns_ecdb_t **ecdbp) {
+	dns_ecdb_t *ecdb = *ecdbp;
+	isc_mem_t *mctx = ecdb->common.mctx;
+
+	if (dns_name_dynamic(&ecdb->common.origin))
+		dns_name_free(&ecdb->common.origin, mctx);
+
+	DESTROYLOCK(&ecdb->lock);
+
+	ecdb->common.impmagic = 0;
+	ecdb->common.magic = 0;
+
+	isc_mem_putanddetach(&mctx, ecdb, sizeof(*ecdb));
+
+	*ecdbp = NULL;
+}
+
+static void
+detach(dns_db_t **dbp) {
+	dns_ecdb_t *ecdb;
+	isc_boolean_t need_destroy = ISC_FALSE;
+
+	REQUIRE(dbp != NULL);
+	ecdb = (dns_ecdb_t *)*dbp;
+	REQUIRE(VALID_ECDB(ecdb));
+
+	LOCK(&ecdb->lock);
+	ecdb->references--;
+	if (ecdb->references == 0 && ISC_LIST_EMPTY(ecdb->nodes))
+		need_destroy = ISC_TRUE;
+	UNLOCK(&ecdb->lock);
+
+	if (need_destroy)
+		destroy_ecdb(&ecdb);
+
+	*dbp = NULL;
+}
+
+static void
+attachnode(dns_db_t *db, dns_dbnode_t *source, dns_dbnode_t **targetp) {
+	dns_ecdb_t *ecdb = (dns_ecdb_t *)db;
+	dns_ecdbnode_t *node = (dns_ecdbnode_t *)source;
+
+	REQUIRE(VALID_ECDB(ecdb));
+	REQUIRE(VALID_ECDBNODE(node));
+	REQUIRE(targetp != NULL && *targetp == NULL);
+
+	LOCK(&node->lock);
+	INSIST(node->references > 0);
+	node->references++;
+	INSIST(node->references != 0);		/* Catch overflow. */
+	UNLOCK(&node->lock);
+
+	*targetp = node;
+}
+
+static void
+destroynode(dns_ecdbnode_t *node) {
+	isc_mem_t *mctx;
+	dns_ecdb_t *ecdb = node->ecdb;
+	isc_boolean_t need_destroydb = ISC_FALSE;
+	rdatasetheader_t *header;
+
+	mctx = ecdb->common.mctx;
+
+	LOCK(&ecdb->lock);
+	ISC_LIST_UNLINK(ecdb->nodes, node, link);
+	if (ecdb->references == 0 && ISC_LIST_EMPTY(ecdb->nodes))
+		need_destroydb = ISC_TRUE;
+	UNLOCK(&ecdb->lock);
+
+	dns_name_free(&node->name, mctx);
+
+	while ((header = ISC_LIST_HEAD(node->rdatasets)) != NULL) {
+		unsigned int headersize;
+
+		ISC_LIST_UNLINK(node->rdatasets, header, link);
+		headersize =
+			dns_rdataslab_size((unsigned char *)header,
+					   sizeof(*header));
+		isc_mem_put(mctx, header, headersize);
+	}
+
+	DESTROYLOCK(&node->lock);
+
+	node->magic = 0;
+	isc_mem_put(mctx, node, sizeof(*node));
+
+	if (need_destroydb)
+		destroy_ecdb(&ecdb);
+}
+
+static void
+detachnode(dns_db_t *db, dns_dbnode_t **nodep) {
+	dns_ecdb_t *ecdb = (dns_ecdb_t *)db;
+	dns_ecdbnode_t *node;
+	isc_boolean_t need_destroy = ISC_FALSE;
+
+	REQUIRE(VALID_ECDB(ecdb));
+	REQUIRE(nodep != NULL);
+	node = (dns_ecdbnode_t *)*nodep;
+	REQUIRE(VALID_ECDBNODE(node));
+
+	UNUSED(ecdb);		/* in case REQUIRE() is empty */
+
+	LOCK(&node->lock);
+	INSIST(node->references > 0);
+	node->references--;
+	if (node->references == 0)
+		need_destroy = ISC_TRUE;
+	UNLOCK(&node->lock);
+
+	if (need_destroy)
+		destroynode(node);
+
+	*nodep = NULL;
+}
+
+static isc_result_t
+find(dns_db_t *db, dns_name_t *name, dns_dbversion_t *version,
+    dns_rdatatype_t type, unsigned int options, isc_stdtime_t now,
+    dns_dbnode_t **nodep, dns_name_t *foundname, dns_rdataset_t *rdataset,
+    dns_rdataset_t *sigrdataset)
+{
+	dns_ecdb_t *ecdb = (dns_ecdb_t *)db;
+
+	REQUIRE(VALID_ECDB(ecdb));
+
+	UNUSED(name);
+	UNUSED(version);
+	UNUSED(type);
+	UNUSED(options);
+	UNUSED(now);
+	UNUSED(nodep);
+	UNUSED(foundname);
+	UNUSED(rdataset);
+	UNUSED(sigrdataset);
+
+	return (ISC_R_NOTFOUND);
+}
+
+static isc_result_t
+findzonecut(dns_db_t *db, dns_name_t *name,
+	    unsigned int options, isc_stdtime_t now,
+	    dns_dbnode_t **nodep, dns_name_t *foundname,
+	    dns_rdataset_t *rdataset, dns_rdataset_t *sigrdataset)
+{
+	dns_ecdb_t *ecdb = (dns_ecdb_t *)db;
+
+	REQUIRE(VALID_ECDB(ecdb));
+
+	UNUSED(name);
+	UNUSED(options);
+	UNUSED(now);
+	UNUSED(nodep);
+	UNUSED(foundname);
+	UNUSED(rdataset);
+	UNUSED(sigrdataset);
+
+	return (ISC_R_NOTFOUND);
+}
+
+static isc_result_t
+findnode(dns_db_t *db, dns_name_t *name, isc_boolean_t create,
+	 dns_dbnode_t **nodep)
+{
+	dns_ecdb_t *ecdb = (dns_ecdb_t *)db;
+	isc_mem_t *mctx;
+	dns_ecdbnode_t *node;
+	isc_result_t result;
+
+	REQUIRE(VALID_ECDB(ecdb));
+	REQUIRE(nodep != NULL && *nodep == NULL);
+
+	UNUSED(name);
+
+	if (create != ISC_TRUE)	{
+		/* an 'ephemeral' node is never reused. */
+		return (ISC_R_NOTFOUND);
+	}
+
+	mctx = ecdb->common.mctx;
+	node = isc_mem_get(mctx, sizeof(*node));
+	if (node == NULL)
+		return (ISC_R_NOMEMORY);
+
+	result = isc_mutex_init(&node->lock);
+	if (result != ISC_R_SUCCESS) {
+		UNEXPECTED_ERROR(__FILE__, __LINE__,
+				 "isc_mutex_init() failed: %s",
+				 isc_result_totext(result));
+		isc_mem_put(mctx, node, sizeof(*node));
+		return (ISC_R_UNEXPECTED);
+	}
+
+	dns_name_init(&node->name, NULL);
+	result = dns_name_dup(name, mctx, &node->name);
+	if (result != ISC_R_SUCCESS) {
+		DESTROYLOCK(&node->lock);
+		isc_mem_put(mctx, node, sizeof(*node));
+		return (result);
+	}
+	node->ecdb= ecdb;
+	node->references = 1;
+	ISC_LIST_INIT(node->rdatasets);
+
+	ISC_LINK_INIT(node, link);
+
+	LOCK(&ecdb->lock);
+	ISC_LIST_APPEND(ecdb->nodes, node, link);
+	UNLOCK(&ecdb->lock);
+
+	node->magic = ECDBNODE_MAGIC;
+
+	*nodep = node;
+
+	return (ISC_R_SUCCESS);
+}
+
+static void
+bind_rdataset(dns_ecdb_t *ecdb, dns_ecdbnode_t *node,
+	      rdatasetheader_t *header, dns_rdataset_t *rdataset)
+{
+	unsigned char *raw;
+
+	/*
+	 * Caller must be holding the node lock.
+	 */
+
+	REQUIRE(!dns_rdataset_isassociated(rdataset));
+
+	rdataset->methods = &rdataset_methods;
+	rdataset->rdclass = ecdb->common.rdclass;
+	rdataset->type = header->type;
+	rdataset->covers = header->covers;
+	rdataset->ttl = header->ttl;
+	rdataset->trust = header->trust;
+	if (NXDOMAIN(header))
+		rdataset->attributes |= DNS_RDATASETATTR_NXDOMAIN;
+
+	rdataset->private1 = ecdb;
+	rdataset->private2 = node;
+	raw = (unsigned char *)header + sizeof(*header);
+	rdataset->private3 = raw;
+	rdataset->count = 0;
+
+	/*
+	 * Reset iterator state.
+	 */
+	rdataset->privateuint4 = 0;
+	rdataset->private5 = NULL;
+
+	INSIST(node->references > 0);
+	node->references++;
+}
+
+static isc_result_t
+addrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
+	    isc_stdtime_t now, dns_rdataset_t *rdataset, unsigned int options,
+	    dns_rdataset_t *addedrdataset)
+{
+	dns_ecdb_t *ecdb = (dns_ecdb_t *)db;
+	isc_region_t r;
+	isc_result_t result = ISC_R_SUCCESS;
+	isc_mem_t *mctx;
+	dns_ecdbnode_t *ecdbnode = (dns_ecdbnode_t *)node;
+	rdatasetheader_t *header;
+
+	REQUIRE(VALID_ECDB(ecdb));
+	REQUIRE(VALID_ECDBNODE(ecdbnode));
+
+	UNUSED(version);
+	UNUSED(now);
+	UNUSED(options);
+
+	mctx = ecdb->common.mctx;
+
+	LOCK(&ecdbnode->lock);
+
+	/*
+	 * Sanity check: this implementation does not allow overriding an
+	 * existing rdataset of the same type.
+	 */
+	for (header = ISC_LIST_HEAD(ecdbnode->rdatasets); header != NULL;
+	     header = ISC_LIST_NEXT(header, link)) {
+		INSIST(header->type != rdataset->type ||
+		       header->covers != rdataset->covers);
+	}
+
+	result = dns_rdataslab_fromrdataset(rdataset, mctx,
+					    &r, sizeof(rdatasetheader_t));
+	if (result != ISC_R_SUCCESS)
+		goto unlock;
+
+	header = (rdatasetheader_t *)r.base;
+	header->type = rdataset->type;
+	header->ttl = rdataset->ttl;
+	header->trust = rdataset->trust;
+	header->covers = rdataset->covers;
+	header->attributes = 0;
+	if ((rdataset->attributes & DNS_RDATASETATTR_NXDOMAIN) != 0)
+		header->attributes |= RDATASET_ATTR_NXDOMAIN;
+	ISC_LINK_INIT(header, link);
+	ISC_LIST_APPEND(ecdbnode->rdatasets, header, link);
+
+	if (addedrdataset == NULL)
+		goto unlock;
+
+	bind_rdataset(ecdb, ecdbnode, header, addedrdataset);
+
+ unlock:
+	UNLOCK(&ecdbnode->lock);
+
+	return (result);
+}
+
+static isc_result_t
+deleterdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
+	       dns_rdatatype_t type, dns_rdatatype_t covers)
+{
+	UNUSED(db);
+	UNUSED(node);
+	UNUSED(version);
+	UNUSED(type);
+	UNUSED(covers);
+
+	return (ISC_R_NOTIMPLEMENTED);
+}
+
+static isc_result_t
+createiterator(dns_db_t *db, unsigned int options,
+	       dns_dbiterator_t **iteratorp)
+{
+	UNUSED(db);
+	UNUSED(options);
+	UNUSED(iteratorp);
+
+	return (ISC_R_NOTIMPLEMENTED);
+}
+
+static isc_result_t
+allrdatasets(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
+	     isc_stdtime_t now, dns_rdatasetiter_t **iteratorp)
+{
+	dns_ecdb_t *ecdb = (dns_ecdb_t *)db;
+	dns_ecdbnode_t *ecdbnode = (dns_ecdbnode_t *)node;
+	isc_mem_t *mctx;
+	ecdb_rdatasetiter_t *iterator;
+
+	REQUIRE(VALID_ECDB(ecdb));
+	REQUIRE(VALID_ECDBNODE(ecdbnode));
+
+	mctx = ecdb->common.mctx;
+
+	iterator = isc_mem_get(mctx, sizeof(ecdb_rdatasetiter_t));
+	if (iterator == NULL)
+		return (ISC_R_NOMEMORY);
+
+	iterator->common.magic = DNS_RDATASETITER_MAGIC;
+	iterator->common.methods = &rdatasetiter_methods;
+	iterator->common.db = db;
+	iterator->common.node = NULL;
+	attachnode(db, node, &iterator->common.node);
+	iterator->common.version = version;
+	iterator->common.now = now;
+
+	*iteratorp = (dns_rdatasetiter_t *)iterator;
+
+	return (ISC_R_SUCCESS);
+}
+
+static dns_dbmethods_t ecdb_methods = {
+	attach,
+	detach,
+	NULL,			/* beginload */
+	NULL,			/* endload */
+	NULL,			/* dump */
+	NULL,			/* currentversion */
+	NULL,			/* newversion */
+	NULL,			/* attachversion */
+	NULL,			/* closeversion */
+	findnode,
+	find,
+	findzonecut,
+	attachnode,
+	detachnode,
+	NULL,			/* expirenode */
+	NULL,			/* printnode */
+	createiterator,		/* createiterator */
+	NULL,			/* findrdataset */
+	allrdatasets,
+	addrdataset,
+	NULL,			/* subtractrdataset */
+	deleterdataset,
+	NULL,			/* issecure */
+	NULL,			/* nodecount */
+	NULL,			/* ispersistent */
+	NULL,			/* overmem */
+	NULL,			/* settask */
+	NULL,			/* getoriginnode */
+	NULL,			/* transfernode */
+	NULL,			/* getnsec3parameters */
+	NULL,			/* findnsec3node */
+	NULL,			/* setsigningtime */
+	NULL,			/* getsigningtime */
+	NULL,			/* resigned */
+	NULL,			/* isdnssec */
+	NULL,			/* getrrsetstats */
+	NULL,			/* rpz_enabled */
+	NULL			/* rpz_findips */
+};
+
+static isc_result_t
+dns_ecdb_create(isc_mem_t *mctx, dns_name_t *origin, dns_dbtype_t type,
+		dns_rdataclass_t rdclass, unsigned int argc, char *argv[],
+		void *driverarg, dns_db_t **dbp)
+{
+	dns_ecdb_t *ecdb;
+	isc_result_t result;
+
+	REQUIRE(mctx != NULL);
+	REQUIRE(origin == dns_rootname);
+	REQUIRE(type == dns_dbtype_cache);
+	REQUIRE(dbp != NULL && *dbp == NULL);
+
+	UNUSED(argc);
+	UNUSED(argv);
+	UNUSED(driverarg);
+
+	ecdb = isc_mem_get(mctx, sizeof(*ecdb));
+	if (ecdb == NULL)
+		return (ISC_R_NOMEMORY);
+
+	ecdb->common.attributes = DNS_DBATTR_CACHE;
+	ecdb->common.rdclass = rdclass;
+	ecdb->common.methods = &ecdb_methods;
+	dns_name_init(&ecdb->common.origin, NULL);
+	result = dns_name_dupwithoffsets(origin, mctx, &ecdb->common.origin);
+	if (result != ISC_R_SUCCESS) {
+		isc_mem_put(mctx, ecdb, sizeof(*ecdb));
+		return (result);
+	}
+
+	result = isc_mutex_init(&ecdb->lock);
+	if (result != ISC_R_SUCCESS) {
+		UNEXPECTED_ERROR(__FILE__, __LINE__,
+				 "isc_mutex_init() failed: %s",
+				 isc_result_totext(result));
+		if (dns_name_dynamic(&ecdb->common.origin))
+			dns_name_free(&ecdb->common.origin, mctx);
+		isc_mem_put(mctx, ecdb, sizeof(*ecdb));
+		return (ISC_R_UNEXPECTED);
+	}
+
+	ecdb->references = 1;
+	ISC_LIST_INIT(ecdb->nodes);
+
+	ecdb->common.mctx = NULL;
+	isc_mem_attach(mctx, &ecdb->common.mctx);
+	ecdb->common.impmagic = ECDB_MAGIC;
+	ecdb->common.magic = DNS_DB_MAGIC;
+
+	*dbp = (dns_db_t *)ecdb;
+
+	return (ISC_R_SUCCESS);
+}
+
+/*%
+ * Rdataset Methods
+ */
+
+static void
+rdataset_disassociate(dns_rdataset_t *rdataset) {
+	dns_db_t *db = rdataset->private1;
+	dns_dbnode_t *node = rdataset->private2;
+
+	dns_db_detachnode(db, &node);
+}
+
+static isc_result_t
+rdataset_first(dns_rdataset_t *rdataset) {
+	unsigned char *raw = rdataset->private3;
+	unsigned int count;
+
+	count = raw[0] * 256 + raw[1];
+	if (count == 0) {
+		rdataset->private5 = NULL;
+		return (ISC_R_NOMORE);
+	}
+	raw += 2;
+	/*
+	 * The privateuint4 field is the number of rdata beyond the cursor
+	 * position, so we decrement the total count by one before storing
+	 * it.
+	 */
+	count--;
+	rdataset->privateuint4 = count;
+	rdataset->private5 = raw;
+
+	return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+rdataset_next(dns_rdataset_t *rdataset) {
+	unsigned int count;
+	unsigned int length;
+	unsigned char *raw;
+
+	count = rdataset->privateuint4;
+	if (count == 0)
+		return (ISC_R_NOMORE);
+	count--;
+	rdataset->privateuint4 = count;
+	raw = rdataset->private5;
+	length = raw[0] * 256 + raw[1];
+	raw += length + 2;
+	rdataset->private5 = raw;
+
+	return (ISC_R_SUCCESS);
+}
+
+static void
+rdataset_current(dns_rdataset_t *rdataset, dns_rdata_t *rdata) {
+	unsigned char *raw = rdataset->private5;
+	isc_region_t r;
+	unsigned int length;
+	unsigned int flags = 0;
+
+	REQUIRE(raw != NULL);
+
+	length = raw[0] * 256 + raw[1];
+	raw += 2;
+	if (rdataset->type == dns_rdatatype_rrsig) {
+		if (*raw & DNS_RDATASLAB_OFFLINE)
+			flags |= DNS_RDATA_OFFLINE;
+		length--;
+		raw++;
+	}
+	r.length = length;
+	r.base = raw;
+	dns_rdata_fromregion(rdata, rdataset->rdclass, rdataset->type, &r);
+	rdata->flags |= flags;
+}
+
+static void
+rdataset_clone(dns_rdataset_t *source, dns_rdataset_t *target) {
+	dns_db_t *db = source->private1;
+	dns_dbnode_t *node = source->private2;
+	dns_dbnode_t *cloned_node = NULL;
+
+	attachnode(db, node, &cloned_node);
+	*target = *source;
+
+	/*
+	 * Reset iterator state.
+	 */
+	target->privateuint4 = 0;
+	target->private5 = NULL;
+}
+
+static unsigned int
+rdataset_count(dns_rdataset_t *rdataset) {
+	unsigned char *raw = rdataset->private3;
+	unsigned int count;
+
+	count = raw[0] * 256 + raw[1];
+
+	return (count);
+}
+
+static void
+rdataset_settrust(dns_rdataset_t *rdataset, dns_trust_t trust) {
+	rdatasetheader_t *header = rdataset->private3;
+
+	header--;
+	header->trust = rdataset->trust = trust;
+}
+
+/*
+ * Rdataset Iterator Methods
+ */
+
+static void
+rdatasetiter_destroy(dns_rdatasetiter_t **iteratorp) {
+	ecdb_rdatasetiter_t *ecdbiterator;
+	isc_mem_t *mctx;
+
+	REQUIRE(iteratorp != NULL);
+	ecdbiterator = (ecdb_rdatasetiter_t *)*iteratorp;
+	REQUIRE(DNS_RDATASETITER_VALID(&ecdbiterator->common));
+
+	mctx = ecdbiterator->common.db->mctx;
+
+	ecdbiterator->common.magic = 0;
+
+	dns_db_detachnode(ecdbiterator->common.db, &ecdbiterator->common.node);
+	isc_mem_put(mctx, ecdbiterator, sizeof(ecdb_rdatasetiter_t));
+
+	*iteratorp = NULL;
+}
+
+static isc_result_t
+rdatasetiter_first(dns_rdatasetiter_t *iterator) {
+	ecdb_rdatasetiter_t *ecdbiterator = (ecdb_rdatasetiter_t *)iterator;
+	dns_ecdbnode_t *ecdbnode = (dns_ecdbnode_t *)iterator->node;
+
+	REQUIRE(DNS_RDATASETITER_VALID(iterator));
+
+	if (ISC_LIST_EMPTY(ecdbnode->rdatasets))
+		return (ISC_R_NOMORE);
+	ecdbiterator->current = ISC_LIST_HEAD(ecdbnode->rdatasets);
+	return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+rdatasetiter_next(dns_rdatasetiter_t *iterator) {
+	ecdb_rdatasetiter_t *ecdbiterator = (ecdb_rdatasetiter_t *)iterator;
+
+	REQUIRE(DNS_RDATASETITER_VALID(iterator));
+
+	ecdbiterator->current = ISC_LIST_NEXT(ecdbiterator->current, link);
+	if (ecdbiterator->current == NULL)
+		return (ISC_R_NOMORE);
+	else
+		return (ISC_R_SUCCESS);
+}
+
+static void
+rdatasetiter_current(dns_rdatasetiter_t *iterator, dns_rdataset_t *rdataset) {
+	ecdb_rdatasetiter_t *ecdbiterator = (ecdb_rdatasetiter_t *)iterator;
+	dns_ecdb_t *ecdb;
+
+	ecdb = (dns_ecdb_t *)iterator->db;
+	REQUIRE(VALID_ECDB(ecdb));
+
+	bind_rdataset(ecdb, iterator->node, ecdbiterator->current, rdataset);
+}
diff --git a/lib/dns/forward.c b/lib/dns/forward.c
index 1406b46..1f9c41a 100644
--- a/lib/dns/forward.c
+++ b/lib/dns/forward.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: forward.c,v 1.12 2007-06-19 23:47:16 tbox Exp $ */
+/* $Id: forward.c,v 1.14 2009-09-02 23:48:02 tbox Exp $ */
 
 /*! \file */
 
@@ -133,11 +133,27 @@ dns_fwdtable_add(dns_fwdtable_t *fwdtable, dns_name_t *name,
 }
 
 isc_result_t
+dns_fwdtable_delete(dns_fwdtable_t *fwdtable, dns_name_t *name) {
+	isc_result_t result;
+
+	REQUIRE(VALID_FWDTABLE(fwdtable));
+
+	RWLOCK(&fwdtable->rwlock, isc_rwlocktype_write);
+	result = dns_rbt_deletename(fwdtable->table, name, ISC_FALSE);
+	RWUNLOCK(&fwdtable->rwlock, isc_rwlocktype_write);
+
+	if (result == DNS_R_PARTIALMATCH)
+		result = ISC_R_NOTFOUND;
+
+	return (result);
+}
+
+isc_result_t
 dns_fwdtable_find(dns_fwdtable_t *fwdtable, dns_name_t *name,
 		  dns_forwarders_t **forwardersp)
 {
 	return (dns_fwdtable_find2(fwdtable, name, NULL, forwardersp));
-} 
+}
 
 isc_result_t
 dns_fwdtable_find2(dns_fwdtable_t *fwdtable, dns_name_t *name,
diff --git a/lib/dns/gen-unix.h b/lib/dns/gen-unix.h
index 91cd4d5..47a343d 100644
--- a/lib/dns/gen-unix.h
+++ b/lib/dns/gen-unix.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: gen-unix.h,v 1.19.332.2 2009-01-18 23:47:35 tbox Exp $ */
+/* $Id: gen-unix.h,v 1.21 2009-01-17 23:47:42 tbox Exp $ */
 
 /*! \file
  * \brief
diff --git a/lib/dns/gen.c b/lib/dns/gen.c
index 6f8ce7d..f1d46ea 100644
--- a/lib/dns/gen.c
+++ b/lib/dns/gen.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: gen.c,v 1.83 2008-09-25 04:02:38 tbox Exp $ */
+/* $Id: gen.c,v 1.85 2009-12-04 22:06:37 tbox Exp $ */
 
 /*! \file */
 
@@ -631,6 +631,8 @@ main(int argc, char **argv) {
 			 TOWIRETYPE, TOWIRECLASS, TOWIREDEF);
 		doswitch("COMPARESWITCH", "compare", COMPAREARGS,
 			  COMPARETYPE, COMPARECLASS, COMPAREDEF);
+		doswitch("CASECOMPARESWITCH", "casecompare", COMPAREARGS,
+			  COMPARETYPE, COMPARECLASS, COMPAREDEF);
 		doswitch("FROMSTRUCTSWITCH", "fromstruct", FROMSTRUCTARGS,
 			  FROMSTRUCTTYPE, FROMSTRUCTCLASS, FROMSTRUCTDEF);
 		doswitch("TOSTRUCTSWITCH", "tostruct", TOSTRUCTARGS,
diff --git a/lib/dns/gssapi_link.c b/lib/dns/gssapi_link.c
index a7af67f..e14d0eb 100644
--- a/lib/dns/gssapi_link.c
+++ b/lib/dns/gssapi_link.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2009, 2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -16,13 +16,14 @@
  */
 
 /*
- * $Id: gssapi_link.c,v 1.12 2008-11-11 03:55:01 marka Exp $
+ * $Id: gssapi_link.c,v 1.16 2011-01-11 23:47:13 tbox Exp $
  */
 
 #include 
 
 #ifdef GSSAPI
 
+#include 
 #include 
 #include 
 #include 
@@ -44,6 +45,12 @@
 		(gb).value = (r).base; \
 	} while (0)
 
+#define GBUFFER_TO_REGION(gb, r) \
+	do { \
+		(r).length = (gb).length; \
+		(r).base = (gb).value; \
+	} while (0)
+
 
 struct dst_gssapi_signverifyctx {
 	isc_buffer_t *buffer;
@@ -254,9 +261,10 @@ gssapi_compare(const dst_key_t *key1, const dst_key_t *key2) {
 }
 
 static isc_result_t
-gssapi_generate(dst_key_t *key, int unused) {
+gssapi_generate(dst_key_t *key, int unused, void (*callback)(int)) {
 	UNUSED(key);
 	UNUSED(unused);
+	UNUSED(callback);
 
 	/* No idea */
 	return (ISC_R_FAILURE);
@@ -275,6 +283,79 @@ gssapi_destroy(dst_key_t *key) {
 	key->keydata.gssctx = NULL;
 }
 
+static isc_result_t
+gssapi_restore(dst_key_t *key, const char *keystr) {
+	OM_uint32 major, minor;
+	size_t len;
+	isc_buffer_t *b = NULL;
+	isc_region_t r;
+	gss_buffer_desc gssbuffer;
+	isc_result_t result;
+
+	len = strlen(keystr);
+	if ((len % 4) != 0)
+		return (ISC_R_BADBASE64);
+
+	len = (len / 4) * 3;
+
+	result = isc_buffer_allocate(key->mctx, &b, len);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+
+	result = isc_base64_decodestring(keystr, b);
+	if (result != ISC_R_SUCCESS) {
+		isc_buffer_free(&b);
+		return (result);
+	}
+
+	isc_buffer_remainingregion(b, &r);
+	REGION_TO_GBUFFER(r, gssbuffer);
+	major = gss_import_sec_context(&minor, &gssbuffer,
+				       &key->keydata.gssctx);
+	if (major != GSS_S_COMPLETE) {
+		isc_buffer_free(&b);
+		return (ISC_R_FAILURE);
+	}
+
+	isc_buffer_free(&b);
+	return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+gssapi_dump(dst_key_t *key, isc_mem_t *mctx, char **buffer, int *length) {
+	OM_uint32 major, minor;
+	gss_buffer_desc gssbuffer;
+	size_t len;
+	char *buf;
+	isc_buffer_t b;
+	isc_region_t r;
+	isc_result_t result;
+
+	major = gss_export_sec_context(&minor, &key->keydata.gssctx,
+				       &gssbuffer);
+	if (major != GSS_S_COMPLETE) {
+		fprintf(stderr, "gss_export_sec_context -> %d, %d\n",
+			major, minor);
+		return (ISC_R_FAILURE);
+	}
+	if (gssbuffer.length == 0)
+		return (ISC_R_FAILURE);
+	len = ((gssbuffer.length + 2)/3) * 4;
+	buf = isc_mem_get(mctx, len);
+	if (buf == NULL) {
+		gss_release_buffer(&minor, &gssbuffer);
+		return (ISC_R_NOMEMORY);
+	}
+	isc_buffer_init(&b, buf, len);
+	GBUFFER_TO_REGION(gssbuffer, r);
+	result = isc_base64_totext(&r, 0, "", &b);
+	RUNTIME_CHECK(result == ISC_R_SUCCESS);
+	gss_release_buffer(&minor, &gssbuffer);
+	*buffer = buf;
+	*length = len;
+	return (ISC_R_SUCCESS);
+}
+
 static dst_func_t gssapi_functions = {
 	gssapi_create_signverify_ctx,
 	gssapi_destroy_signverify_ctx,
@@ -292,7 +373,9 @@ static dst_func_t gssapi_functions = {
 	NULL, /*%< tofile */
 	NULL, /*%< parse */
 	NULL, /*%< cleanup */
-	NULL  /*%< fromlabel */
+	NULL,  /*%< fromlabel */
+	gssapi_dump,
+	gssapi_restore,
 };
 
 isc_result_t
diff --git a/lib/dns/gssapictx.c b/lib/dns/gssapictx.c
index f365a64..707745c 100644
--- a/lib/dns/gssapictx.c
+++ b/lib/dns/gssapictx.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2008, 2010  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,16 +15,18 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: gssapictx.c,v 1.12.118.5 2010-12-22 02:37:55 marka Exp $ */
+/* $Id: gssapictx.c,v 1.26 2011-01-10 03:49:49 marka Exp $ */
 
 #include 
 
+#include 
 #include 
 #include 
 
 #include 
 #include 
 #include 
+#include 
 #include 
 #include 
 #include 
@@ -201,9 +203,12 @@ log_cred(const gss_cred_id_t cred) {
  *   - tkey-gssapi-credential doesn't start with DNS/
  *   - the default realm in /etc/krb5.conf and the
  *     tkey-gssapi-credential bind config option don't match
+ *
+ * Note that if tkey-gssapi-keytab is set then these configure checks
+ * are not performed, and runtime errors from gssapi are used instead
  */
 static void
-dst_gssapi_check_config(const char *gss_name) {
+check_config(const char *gss_name) {
 	const char *p;
 	krb5_context krb5_ctx;
 	char *krb5_realm = NULL;
@@ -263,7 +268,7 @@ dst_gssapi_acquirecred(dns_name_t *name, isc_boolean_t initiate,
 	 * here when we're in the acceptor role, which would let us
 	 * default the hostname and use a compiled in default service
 	 * name of "DNS", giving one less thing to configure in
-	 * named.conf.  Unfortunately, this creates a circular
+	 * named.conf.	Unfortunately, this creates a circular
 	 * dependency due to DNS-based realm lookup in at least one
 	 * GSSAPI implementation (Heimdal).  Oh well.
 	 */
@@ -273,7 +278,7 @@ dst_gssapi_acquirecred(dns_name_t *name, isc_boolean_t initiate,
 		gret = gss_import_name(&minor, &gnamebuf,
 				       GSS_C_NO_OID, &gname);
 		if (gret != GSS_S_COMPLETE) {
-			dst_gssapi_check_config((char *)array);
+			check_config((char *)array);
 
 			gss_log(3, "failed gss_import_name: %s",
 				gss_error_tostring(gret, minor, buf,
@@ -306,7 +311,7 @@ dst_gssapi_acquirecred(dns_name_t *name, isc_boolean_t initiate,
 			initiate ? "initiate" : "accept",
 			(char *)gnamebuf.value,
 			gss_error_tostring(gret, minor, buf, sizeof(buf)));
-		dst_gssapi_check_config((char *)array);
+		check_config((char *)array);
 		return (ISC_R_FAILURE);
 	}
 
@@ -361,7 +366,7 @@ dst_gssapi_identitymatchesrealmkrb5(dns_name_t *signer, dns_name_t *name,
 	rname++;
 
 	/*
-	 * Find the host portion of the signer's name.  We do this by
+	 * Find the host portion of the signer's name.	We do this by
 	 * searching for the first / character.  We then check to make
 	 * certain the instance name is "host"
 	 *
@@ -440,7 +445,7 @@ dst_gssapi_identitymatchesrealmms(dns_name_t *signer, dns_name_t *name,
 		return (isc_boolean_false);
 
 	/*
-	 * Find the host portion of the signer's name.  Zero out the $ so
+	 * Find the host portion of the signer's name.	Zero out the $ so
 	 * it terminates the signer's name, and skip past the @ for
 	 * the realm.
 	 *
@@ -454,7 +459,7 @@ dst_gssapi_identitymatchesrealmms(dns_name_t *signer, dns_name_t *name,
 
 	/*
 	 * Find the first . in the target name, and make it the end of
-	 * the string.   The rest of the name has to match the realm.
+	 * the string.	 The rest of the name has to match the realm.
 	 */
 	if (name != NULL) {
 		nname = strchr(nbuf, '.');
@@ -510,9 +515,34 @@ dst_gssapi_releasecred(gss_cred_id_t *cred) {
 #endif
 }
 
+#ifdef GSSAPI
+/*
+ * Format a gssapi error message info into a char ** on the given memory
+ * context. This is used to return gssapi error messages back up the
+ * call chain for reporting to the user.
+ */
+static void
+gss_err_message(isc_mem_t *mctx, isc_uint32_t major, isc_uint32_t minor,
+		char **err_message)
+{
+	char buf[1024];
+	char *estr;
+
+	if (err_message == NULL || mctx == NULL) {
+		/* the caller doesn't want any error messages */
+		return;
+	}
+
+	estr = gss_error_tostring(major, minor, buf, sizeof(buf));
+	if (estr)
+		(*err_message) = isc_mem_strdup(mctx, estr);
+}
+#endif
+
 isc_result_t
 dst_gssapi_initctx(dns_name_t *name, isc_buffer_t *intoken,
-		   isc_buffer_t *outtoken, gss_ctx_id_t *gssctx)
+		   isc_buffer_t *outtoken, gss_ctx_id_t *gssctx,
+		   isc_mem_t *mctx, char **err_message)
 {
 #ifdef GSSAPI
 	isc_region_t r;
@@ -523,10 +553,10 @@ dst_gssapi_initctx(dns_name_t *name, isc_buffer_t *intoken,
 	isc_result_t result;
 	gss_buffer_desc gnamebuf;
 	unsigned char array[DNS_NAME_MAXTEXT + 1];
-	char buf[1024];
 
 	/* Client must pass us a valid gss_ctx_id_t here */
 	REQUIRE(gssctx != NULL);
+	REQUIRE(mctx != NULL);
 
 	isc_buffer_init(&namebuf, array, sizeof(array));
 	name_to_gbuffer(name, &namebuf, &gnamebuf);
@@ -534,6 +564,7 @@ dst_gssapi_initctx(dns_name_t *name, isc_buffer_t *intoken,
 	/* Get the name as a GSS name */
 	gret = gss_import_name(&minor, &gnamebuf, GSS_C_NO_OID, &gname);
 	if (gret != GSS_S_COMPLETE) {
+		gss_err_message(mctx, gret, minor, err_message);
 		result = ISC_R_FAILURE;
 		goto out;
 	}
@@ -550,8 +581,7 @@ dst_gssapi_initctx(dns_name_t *name, isc_buffer_t *intoken,
 	 * Note that we don't set GSS_C_SEQUENCE_FLAG as Windows DNS
 	 * servers don't like it.
 	 */
-	flags = GSS_C_REPLAY_FLAG | GSS_C_MUTUAL_FLAG | GSS_C_DELEG_FLAG |
-		GSS_C_INTEG_FLAG;
+	flags = GSS_C_REPLAY_FLAG | GSS_C_MUTUAL_FLAG | GSS_C_INTEG_FLAG;
 
 	gret = gss_init_sec_context(&minor, GSS_C_NO_CREDENTIAL, gssctx,
 				    gname, GSS_SPNEGO_MECHANISM, flags,
@@ -559,9 +589,9 @@ dst_gssapi_initctx(dns_name_t *name, isc_buffer_t *intoken,
 				    NULL, &gouttoken, &ret_flags, NULL);
 
 	if (gret != GSS_S_COMPLETE && gret != GSS_S_CONTINUE_NEEDED) {
-		gss_log(3, "Failure initiating security context");
-		gss_log(3, "%s", gss_error_tostring(gret, minor,
-						    buf, sizeof(buf)));
+		gss_err_message(mctx, gret, minor, err_message);
+		gss_log(3, "Failure initiating security context: %s",
+			*err_message);
 		result = ISC_R_FAILURE;
 		goto out;
 	}
@@ -593,6 +623,8 @@ dst_gssapi_initctx(dns_name_t *name, isc_buffer_t *intoken,
 	UNUSED(intoken);
 	UNUSED(outtoken);
 	UNUSED(gssctx);
+	UNUSED(mctx);
+	UNUSED(err_message);
 
 	return (ISC_R_NOTIMPLEMENTED);
 #endif
@@ -600,6 +632,7 @@ dst_gssapi_initctx(dns_name_t *name, isc_buffer_t *intoken,
 
 isc_result_t
 dst_gssapi_acceptctx(gss_cred_id_t cred,
+		     const char *gssapi_keytab,
 		     isc_region_t *intoken, isc_buffer_t **outtoken,
 		     gss_ctx_id_t *ctxout, dns_name_t *principal,
 		     isc_mem_t *mctx)
@@ -626,6 +659,34 @@ dst_gssapi_acceptctx(gss_cred_id_t cred,
 	else
 		context = *ctxout;
 
+	if (gssapi_keytab != NULL) {
+#ifdef ISC_PLATFORM_GSSAPI_KRB5_HEADER
+		gret = gsskrb5_register_acceptor_identity(gssapi_keytab);
+		if (gret != GSS_S_COMPLETE) {
+			gss_log(3, "failed "
+				"gsskrb5_register_acceptor_identity(%s): %s",
+				gssapi_keytab,
+				gss_error_tostring(gret, minor,
+						   buf, sizeof(buf)));
+			return (DNS_R_INVALIDTKEY);
+		}
+#else
+		/*
+		 * Minimize memory leakage by only setting KRB5_KTNAME
+		 * if it needs to change.
+		 */
+		const char *old = getenv("KRB5_KTNAME");
+		if (old == NULL || strcmp(old, gssapi_keytab) != 0) {
+			char *kt = malloc(strlen(gssapi_keytab) + 13);
+			if (kt == NULL)
+				return (ISC_R_NOMEMORY);
+			sprintf(kt, "KRB5_KTNAME=%s", gssapi_keytab);
+			if (putenv(kt) != 0)
+				return (ISC_R_NOMEMORY);
+		}
+#endif
+	}
+
 	gret = gss_accept_sec_context(&minor, &context, cred, &gintoken,
 				      GSS_C_NO_CHANNEL_BINDINGS, &gname,
 				      NULL, &gouttoken, NULL, NULL, NULL);
@@ -692,7 +753,7 @@ dst_gssapi_acceptctx(gss_cred_id_t cred,
 		isc_buffer_add(&namebuf, r.length);
 
 		RETERR(dns_name_fromtext(principal, &namebuf, dns_rootname,
-					 ISC_FALSE, NULL));
+					 0, NULL));
 
 		if (gnamebuf.length != 0) {
 			gret = gss_release_buffer(&minor, &gnamebuf);
@@ -717,6 +778,7 @@ dst_gssapi_acceptctx(gss_cred_id_t cred,
 	return (result);
 #else
 	UNUSED(cred);
+	UNUSED(gssapi_keytab);
 	UNUSED(intoken);
 	UNUSED(outtoken);
 	UNUSED(ctxout);
diff --git a/lib/dns/hmac_link.c b/lib/dns/hmac_link.c
index 5d6dce7..ecc4089 100644
--- a/lib/dns/hmac_link.c
+++ b/lib/dns/hmac_link.c
@@ -1,5 +1,5 @@
 /*
- * Portions Copyright (C) 2004-2008  Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (C) 2004-2011  Internet Systems Consortium, Inc. ("ISC")
  * Portions Copyright (C) 1999-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -31,7 +31,7 @@
 
 /*
  * Principal Author: Brian Wellington
- * $Id: hmac_link.c,v 1.11 2008-04-01 23:47:10 tbox Exp $
+ * $Id: hmac_link.c,v 1.19 2011-01-11 23:47:13 tbox Exp $
  */
 
 #include 
@@ -50,14 +50,10 @@
 #include "dst_internal.h"
 #include "dst_parse.h"
 
-#define HMAC_LEN	64
-#define HMAC_IPAD	0x36
-#define HMAC_OPAD	0x5c
-
 static isc_result_t hmacmd5_fromdns(dst_key_t *key, isc_buffer_t *data);
 
 struct dst_hmacmd5_key {
-	unsigned char key[HMAC_LEN];
+	unsigned char key[ISC_MD5_BLOCK_LENGTH];
 };
 
 static isc_result_t
@@ -79,7 +75,7 @@ hmacmd5_createctx(dst_key_t *key, dst_context_t *dctx) {
 	hmacmd5ctx = isc_mem_get(dctx->mctx, sizeof(isc_hmacmd5_t));
 	if (hmacmd5ctx == NULL)
 		return (ISC_R_NOMEMORY);
-	isc_hmacmd5_init(hmacmd5ctx, hkey->key, HMAC_LEN);
+	isc_hmacmd5_init(hmacmd5ctx, hkey->key, ISC_SHA1_BLOCK_LENGTH);
 	dctx->ctxdata.hmacmd5ctx = hmacmd5ctx;
 	return (ISC_R_SUCCESS);
 }
@@ -142,26 +138,28 @@ hmacmd5_compare(const dst_key_t *key1, const dst_key_t *key2) {
 	else if (hkey1 == NULL || hkey2 == NULL)
 		return (ISC_FALSE);
 
-	if (memcmp(hkey1->key, hkey2->key, HMAC_LEN) == 0)
+	if (memcmp(hkey1->key, hkey2->key, ISC_SHA1_BLOCK_LENGTH) == 0)
 		return (ISC_TRUE);
 	else
 		return (ISC_FALSE);
 }
 
 static isc_result_t
-hmacmd5_generate(dst_key_t *key, int pseudorandom_ok) {
+hmacmd5_generate(dst_key_t *key, int pseudorandom_ok, void (*callback)(int)) {
 	isc_buffer_t b;
 	isc_result_t ret;
-	int bytes;
-	unsigned char data[HMAC_LEN];
+	unsigned int bytes;
+	unsigned char data[ISC_SHA1_BLOCK_LENGTH];
+
+	UNUSED(callback);
 
 	bytes = (key->key_size + 7) / 8;
-	if (bytes > HMAC_LEN) {
-		bytes = HMAC_LEN;
-		key->key_size = HMAC_LEN * 8;
+	if (bytes > ISC_SHA1_BLOCK_LENGTH) {
+		bytes = ISC_SHA1_BLOCK_LENGTH;
+		key->key_size = ISC_SHA1_BLOCK_LENGTH * 8;
 	}
 
-	memset(data, 0, HMAC_LEN);
+	memset(data, 0, ISC_SHA1_BLOCK_LENGTH);
 	ret = dst__entropy_getdata(data, bytes, ISC_TF(pseudorandom_ok != 0));
 
 	if (ret != ISC_R_SUCCESS)
@@ -170,7 +168,7 @@ hmacmd5_generate(dst_key_t *key, int pseudorandom_ok) {
 	isc_buffer_init(&b, data, bytes);
 	isc_buffer_add(&b, bytes);
 	ret = hmacmd5_fromdns(key, &b);
-	memset(data, 0, HMAC_LEN);
+	memset(data, 0, ISC_SHA1_BLOCK_LENGTH);
 
 	return (ret);
 }
@@ -184,6 +182,7 @@ hmacmd5_isprivate(const dst_key_t *key) {
 static void
 hmacmd5_destroy(dst_key_t *key) {
 	dst_hmacmd5_key_t *hkey = key->keydata.hmacmd5;
+
 	memset(hkey, 0, sizeof(dst_hmacmd5_key_t));
 	isc_mem_put(key->mctx, hkey, sizeof(dst_hmacmd5_key_t));
 	key->keydata.hmacmd5 = NULL;
@@ -223,7 +222,7 @@ hmacmd5_fromdns(dst_key_t *key, isc_buffer_t *data) {
 
 	memset(hkey->key, 0, sizeof(hkey->key));
 
-	if (r.length > HMAC_LEN) {
+	if (r.length > ISC_SHA1_BLOCK_LENGTH) {
 		isc_md5_init(&md5ctx);
 		isc_md5_update(&md5ctx, r.base, r.length);
 		isc_md5_final(&md5ctx, hkey->key);
@@ -268,15 +267,17 @@ hmacmd5_tofile(const dst_key_t *key, const char *directory) {
 }
 
 static isc_result_t
-hmacmd5_parse(dst_key_t *key, isc_lex_t *lexer) {
+hmacmd5_parse(dst_key_t *key, isc_lex_t *lexer, dst_key_t *pub) {
 	dst_private_t priv;
 	isc_result_t result, tresult;
 	isc_buffer_t b;
 	isc_mem_t *mctx = key->mctx;
 	unsigned int i;
 
+	UNUSED(pub);
 	/* read private key file */
-	result = dst__privstruct_parse(key, DST_ALG_HMACMD5, lexer, mctx, &priv);
+	result = dst__privstruct_parse(key, DST_ALG_HMACMD5, lexer, mctx,
+				       &priv);
 	if (result != ISC_R_SUCCESS)
 		return (result);
 
@@ -324,6 +325,8 @@ static dst_func_t hmacmd5_functions = {
 	hmacmd5_parse,
 	NULL, /*%< cleanup */
 	NULL, /*%< fromlabel */
+	NULL, /*%< dump */
+	NULL, /*%< restore */
 };
 
 isc_result_t
@@ -337,7 +340,7 @@ dst__hmacmd5_init(dst_func_t **funcp) {
 static isc_result_t hmacsha1_fromdns(dst_key_t *key, isc_buffer_t *data);
 
 struct dst_hmacsha1_key {
-	unsigned char key[ISC_SHA1_DIGESTLENGTH];
+	unsigned char key[ISC_SHA1_BLOCK_LENGTH];
 };
 
 static isc_result_t
@@ -348,7 +351,7 @@ hmacsha1_createctx(dst_key_t *key, dst_context_t *dctx) {
 	hmacsha1ctx = isc_mem_get(dctx->mctx, sizeof(isc_hmacsha1_t));
 	if (hmacsha1ctx == NULL)
 		return (ISC_R_NOMEMORY);
-	isc_hmacsha1_init(hmacsha1ctx, hkey->key, ISC_SHA1_DIGESTLENGTH);
+	isc_hmacsha1_init(hmacsha1ctx, hkey->key, ISC_SHA1_BLOCK_LENGTH);
 	dctx->ctxdata.hmacsha1ctx = hmacsha1ctx;
 	return (ISC_R_SUCCESS);
 }
@@ -411,26 +414,28 @@ hmacsha1_compare(const dst_key_t *key1, const dst_key_t *key2) {
 	else if (hkey1 == NULL || hkey2 == NULL)
 		return (ISC_FALSE);
 
-	if (memcmp(hkey1->key, hkey2->key, ISC_SHA1_DIGESTLENGTH) == 0)
+	if (memcmp(hkey1->key, hkey2->key, ISC_SHA1_BLOCK_LENGTH) == 0)
 		return (ISC_TRUE);
 	else
 		return (ISC_FALSE);
 }
 
 static isc_result_t
-hmacsha1_generate(dst_key_t *key, int pseudorandom_ok) {
+hmacsha1_generate(dst_key_t *key, int pseudorandom_ok, void (*callback)(int)) {
 	isc_buffer_t b;
 	isc_result_t ret;
-	int bytes;
-	unsigned char data[HMAC_LEN];
+	unsigned int bytes;
+	unsigned char data[ISC_SHA1_BLOCK_LENGTH];
+
+	UNUSED(callback);
 
 	bytes = (key->key_size + 7) / 8;
-	if (bytes > HMAC_LEN) {
-		bytes = HMAC_LEN;
-		key->key_size = HMAC_LEN * 8;
+	if (bytes > ISC_SHA1_BLOCK_LENGTH) {
+		bytes = ISC_SHA1_BLOCK_LENGTH;
+		key->key_size = ISC_SHA1_BLOCK_LENGTH * 8;
 	}
 
-	memset(data, 0, HMAC_LEN);
+	memset(data, 0, ISC_SHA1_BLOCK_LENGTH);
 	ret = dst__entropy_getdata(data, bytes, ISC_TF(pseudorandom_ok != 0));
 
 	if (ret != ISC_R_SUCCESS)
@@ -439,7 +444,7 @@ hmacsha1_generate(dst_key_t *key, int pseudorandom_ok) {
 	isc_buffer_init(&b, data, bytes);
 	isc_buffer_add(&b, bytes);
 	ret = hmacsha1_fromdns(key, &b);
-	memset(data, 0, ISC_SHA1_DIGESTLENGTH);
+	memset(data, 0, ISC_SHA1_BLOCK_LENGTH);
 
 	return (ret);
 }
@@ -453,6 +458,7 @@ hmacsha1_isprivate(const dst_key_t *key) {
 static void
 hmacsha1_destroy(dst_key_t *key) {
 	dst_hmacsha1_key_t *hkey = key->keydata.hmacsha1;
+
 	memset(hkey, 0, sizeof(dst_hmacsha1_key_t));
 	isc_mem_put(key->mctx, hkey, sizeof(dst_hmacsha1_key_t));
 	key->keydata.hmacsha1 = NULL;
@@ -492,7 +498,7 @@ hmacsha1_fromdns(dst_key_t *key, isc_buffer_t *data) {
 
 	memset(hkey->key, 0, sizeof(hkey->key));
 
-	if (r.length > ISC_SHA1_DIGESTLENGTH) {
+	if (r.length > ISC_SHA1_BLOCK_LENGTH) {
 		isc_sha1_init(&sha1ctx);
 		isc_sha1_update(&sha1ctx, r.base, r.length);
 		isc_sha1_final(&sha1ctx, hkey->key);
@@ -537,13 +543,14 @@ hmacsha1_tofile(const dst_key_t *key, const char *directory) {
 }
 
 static isc_result_t
-hmacsha1_parse(dst_key_t *key, isc_lex_t *lexer) {
+hmacsha1_parse(dst_key_t *key, isc_lex_t *lexer, dst_key_t *pub) {
 	dst_private_t priv;
 	isc_result_t result, tresult;
 	isc_buffer_t b;
 	isc_mem_t *mctx = key->mctx;
 	unsigned int i;
 
+	UNUSED(pub);
 	/* read private key file */
 	result = dst__privstruct_parse(key, DST_ALG_HMACSHA1, lexer, mctx,
 				       &priv);
@@ -594,6 +601,8 @@ static dst_func_t hmacsha1_functions = {
 	hmacsha1_parse,
 	NULL, /* cleanup */
 	NULL, /* fromlabel */
+	NULL, /* dump */
+	NULL, /* restore */
 };
 
 isc_result_t
@@ -607,7 +616,7 @@ dst__hmacsha1_init(dst_func_t **funcp) {
 static isc_result_t hmacsha224_fromdns(dst_key_t *key, isc_buffer_t *data);
 
 struct dst_hmacsha224_key {
-	unsigned char key[ISC_SHA224_DIGESTLENGTH];
+	unsigned char key[ISC_SHA224_BLOCK_LENGTH];
 };
 
 static isc_result_t
@@ -618,7 +627,7 @@ hmacsha224_createctx(dst_key_t *key, dst_context_t *dctx) {
 	hmacsha224ctx = isc_mem_get(dctx->mctx, sizeof(isc_hmacsha224_t));
 	if (hmacsha224ctx == NULL)
 		return (ISC_R_NOMEMORY);
-	isc_hmacsha224_init(hmacsha224ctx, hkey->key, ISC_SHA224_DIGESTLENGTH);
+	isc_hmacsha224_init(hmacsha224ctx, hkey->key, ISC_SHA224_BLOCK_LENGTH);
 	dctx->ctxdata.hmacsha224ctx = hmacsha224ctx;
 	return (ISC_R_SUCCESS);
 }
@@ -681,26 +690,30 @@ hmacsha224_compare(const dst_key_t *key1, const dst_key_t *key2) {
 	else if (hkey1 == NULL || hkey2 == NULL)
 		return (ISC_FALSE);
 
-	if (memcmp(hkey1->key, hkey2->key, ISC_SHA224_DIGESTLENGTH) == 0)
+	if (memcmp(hkey1->key, hkey2->key, ISC_SHA224_BLOCK_LENGTH) == 0)
 		return (ISC_TRUE);
 	else
 		return (ISC_FALSE);
 }
 
 static isc_result_t
-hmacsha224_generate(dst_key_t *key, int pseudorandom_ok) {
+hmacsha224_generate(dst_key_t *key, int pseudorandom_ok,
+		    void (*callback)(int))
+{
 	isc_buffer_t b;
 	isc_result_t ret;
-	int bytes;
-	unsigned char data[HMAC_LEN];
+	unsigned int bytes;
+	unsigned char data[ISC_SHA224_BLOCK_LENGTH];
+
+	UNUSED(callback);
 
 	bytes = (key->key_size + 7) / 8;
-	if (bytes > HMAC_LEN) {
-		bytes = HMAC_LEN;
-		key->key_size = HMAC_LEN * 8;
+	if (bytes > ISC_SHA224_BLOCK_LENGTH) {
+		bytes = ISC_SHA224_BLOCK_LENGTH;
+		key->key_size = ISC_SHA224_BLOCK_LENGTH * 8;
 	}
 
-	memset(data, 0, HMAC_LEN);
+	memset(data, 0, ISC_SHA224_BLOCK_LENGTH);
 	ret = dst__entropy_getdata(data, bytes, ISC_TF(pseudorandom_ok != 0));
 
 	if (ret != ISC_R_SUCCESS)
@@ -709,7 +722,7 @@ hmacsha224_generate(dst_key_t *key, int pseudorandom_ok) {
 	isc_buffer_init(&b, data, bytes);
 	isc_buffer_add(&b, bytes);
 	ret = hmacsha224_fromdns(key, &b);
-	memset(data, 0, ISC_SHA224_DIGESTLENGTH);
+	memset(data, 0, ISC_SHA224_BLOCK_LENGTH);
 
 	return (ret);
 }
@@ -723,6 +736,7 @@ hmacsha224_isprivate(const dst_key_t *key) {
 static void
 hmacsha224_destroy(dst_key_t *key) {
 	dst_hmacsha224_key_t *hkey = key->keydata.hmacsha224;
+
 	memset(hkey, 0, sizeof(dst_hmacsha224_key_t));
 	isc_mem_put(key->mctx, hkey, sizeof(dst_hmacsha224_key_t));
 	key->keydata.hmacsha224 = NULL;
@@ -762,7 +776,7 @@ hmacsha224_fromdns(dst_key_t *key, isc_buffer_t *data) {
 
 	memset(hkey->key, 0, sizeof(hkey->key));
 
-	if (r.length > ISC_SHA224_DIGESTLENGTH) {
+	if (r.length > ISC_SHA224_BLOCK_LENGTH) {
 		isc_sha224_init(&sha224ctx);
 		isc_sha224_update(&sha224ctx, r.base, r.length);
 		isc_sha224_final(hkey->key, &sha224ctx);
@@ -807,13 +821,14 @@ hmacsha224_tofile(const dst_key_t *key, const char *directory) {
 }
 
 static isc_result_t
-hmacsha224_parse(dst_key_t *key, isc_lex_t *lexer) {
+hmacsha224_parse(dst_key_t *key, isc_lex_t *lexer, dst_key_t *pub) {
 	dst_private_t priv;
 	isc_result_t result, tresult;
 	isc_buffer_t b;
 	isc_mem_t *mctx = key->mctx;
 	unsigned int i;
 
+	UNUSED(pub);
 	/* read private key file */
 	result = dst__privstruct_parse(key, DST_ALG_HMACSHA224, lexer, mctx,
 				       &priv);
@@ -864,6 +879,8 @@ static dst_func_t hmacsha224_functions = {
 	hmacsha224_parse,
 	NULL, /* cleanup */
 	NULL, /* fromlabel */
+	NULL, /* dump */
+	NULL, /* restore */
 };
 
 isc_result_t
@@ -877,7 +894,7 @@ dst__hmacsha224_init(dst_func_t **funcp) {
 static isc_result_t hmacsha256_fromdns(dst_key_t *key, isc_buffer_t *data);
 
 struct dst_hmacsha256_key {
-	unsigned char key[ISC_SHA256_DIGESTLENGTH];
+	unsigned char key[ISC_SHA256_BLOCK_LENGTH];
 };
 
 static isc_result_t
@@ -888,7 +905,7 @@ hmacsha256_createctx(dst_key_t *key, dst_context_t *dctx) {
 	hmacsha256ctx = isc_mem_get(dctx->mctx, sizeof(isc_hmacsha256_t));
 	if (hmacsha256ctx == NULL)
 		return (ISC_R_NOMEMORY);
-	isc_hmacsha256_init(hmacsha256ctx, hkey->key, ISC_SHA256_DIGESTLENGTH);
+	isc_hmacsha256_init(hmacsha256ctx, hkey->key, ISC_SHA256_BLOCK_LENGTH);
 	dctx->ctxdata.hmacsha256ctx = hmacsha256ctx;
 	return (ISC_R_SUCCESS);
 }
@@ -951,26 +968,30 @@ hmacsha256_compare(const dst_key_t *key1, const dst_key_t *key2) {
 	else if (hkey1 == NULL || hkey2 == NULL)
 		return (ISC_FALSE);
 
-	if (memcmp(hkey1->key, hkey2->key, ISC_SHA256_DIGESTLENGTH) == 0)
+	if (memcmp(hkey1->key, hkey2->key, ISC_SHA256_BLOCK_LENGTH) == 0)
 		return (ISC_TRUE);
 	else
 		return (ISC_FALSE);
 }
 
 static isc_result_t
-hmacsha256_generate(dst_key_t *key, int pseudorandom_ok) {
+hmacsha256_generate(dst_key_t *key, int pseudorandom_ok,
+		    void (*callback)(int))
+{
 	isc_buffer_t b;
 	isc_result_t ret;
-	int bytes;
-	unsigned char data[HMAC_LEN];
+	unsigned int bytes;
+	unsigned char data[ISC_SHA256_BLOCK_LENGTH];
+
+	UNUSED(callback);
 
 	bytes = (key->key_size + 7) / 8;
-	if (bytes > HMAC_LEN) {
-		bytes = HMAC_LEN;
-		key->key_size = HMAC_LEN * 8;
+	if (bytes > ISC_SHA256_BLOCK_LENGTH) {
+		bytes = ISC_SHA256_BLOCK_LENGTH;
+		key->key_size = ISC_SHA256_BLOCK_LENGTH * 8;
 	}
 
-	memset(data, 0, HMAC_LEN);
+	memset(data, 0, ISC_SHA256_BLOCK_LENGTH);
 	ret = dst__entropy_getdata(data, bytes, ISC_TF(pseudorandom_ok != 0));
 
 	if (ret != ISC_R_SUCCESS)
@@ -979,7 +1000,7 @@ hmacsha256_generate(dst_key_t *key, int pseudorandom_ok) {
 	isc_buffer_init(&b, data, bytes);
 	isc_buffer_add(&b, bytes);
 	ret = hmacsha256_fromdns(key, &b);
-	memset(data, 0, ISC_SHA256_DIGESTLENGTH);
+	memset(data, 0, ISC_SHA256_BLOCK_LENGTH);
 
 	return (ret);
 }
@@ -993,6 +1014,7 @@ hmacsha256_isprivate(const dst_key_t *key) {
 static void
 hmacsha256_destroy(dst_key_t *key) {
 	dst_hmacsha256_key_t *hkey = key->keydata.hmacsha256;
+
 	memset(hkey, 0, sizeof(dst_hmacsha256_key_t));
 	isc_mem_put(key->mctx, hkey, sizeof(dst_hmacsha256_key_t));
 	key->keydata.hmacsha256 = NULL;
@@ -1032,7 +1054,7 @@ hmacsha256_fromdns(dst_key_t *key, isc_buffer_t *data) {
 
 	memset(hkey->key, 0, sizeof(hkey->key));
 
-	if (r.length > ISC_SHA256_DIGESTLENGTH) {
+	if (r.length > ISC_SHA256_BLOCK_LENGTH) {
 		isc_sha256_init(&sha256ctx);
 		isc_sha256_update(&sha256ctx, r.base, r.length);
 		isc_sha256_final(hkey->key, &sha256ctx);
@@ -1077,13 +1099,14 @@ hmacsha256_tofile(const dst_key_t *key, const char *directory) {
 }
 
 static isc_result_t
-hmacsha256_parse(dst_key_t *key, isc_lex_t *lexer) {
+hmacsha256_parse(dst_key_t *key, isc_lex_t *lexer, dst_key_t *pub) {
 	dst_private_t priv;
 	isc_result_t result, tresult;
 	isc_buffer_t b;
 	isc_mem_t *mctx = key->mctx;
 	unsigned int i;
 
+	UNUSED(pub);
 	/* read private key file */
 	result = dst__privstruct_parse(key, DST_ALG_HMACSHA256, lexer, mctx,
 				       &priv);
@@ -1134,6 +1157,8 @@ static dst_func_t hmacsha256_functions = {
 	hmacsha256_parse,
 	NULL, /* cleanup */
 	NULL, /* fromlabel */
+	NULL, /* dump */
+	NULL, /* restore */
 };
 
 isc_result_t
@@ -1147,7 +1172,7 @@ dst__hmacsha256_init(dst_func_t **funcp) {
 static isc_result_t hmacsha384_fromdns(dst_key_t *key, isc_buffer_t *data);
 
 struct dst_hmacsha384_key {
-	unsigned char key[ISC_SHA384_DIGESTLENGTH];
+	unsigned char key[ISC_SHA384_BLOCK_LENGTH];
 };
 
 static isc_result_t
@@ -1158,7 +1183,7 @@ hmacsha384_createctx(dst_key_t *key, dst_context_t *dctx) {
 	hmacsha384ctx = isc_mem_get(dctx->mctx, sizeof(isc_hmacsha384_t));
 	if (hmacsha384ctx == NULL)
 		return (ISC_R_NOMEMORY);
-	isc_hmacsha384_init(hmacsha384ctx, hkey->key, ISC_SHA384_DIGESTLENGTH);
+	isc_hmacsha384_init(hmacsha384ctx, hkey->key, ISC_SHA384_BLOCK_LENGTH);
 	dctx->ctxdata.hmacsha384ctx = hmacsha384ctx;
 	return (ISC_R_SUCCESS);
 }
@@ -1221,26 +1246,30 @@ hmacsha384_compare(const dst_key_t *key1, const dst_key_t *key2) {
 	else if (hkey1 == NULL || hkey2 == NULL)
 		return (ISC_FALSE);
 
-	if (memcmp(hkey1->key, hkey2->key, ISC_SHA384_DIGESTLENGTH) == 0)
+	if (memcmp(hkey1->key, hkey2->key, ISC_SHA384_BLOCK_LENGTH) == 0)
 		return (ISC_TRUE);
 	else
 		return (ISC_FALSE);
 }
 
 static isc_result_t
-hmacsha384_generate(dst_key_t *key, int pseudorandom_ok) {
+hmacsha384_generate(dst_key_t *key, int pseudorandom_ok,
+		    void (*callback)(int))
+{
 	isc_buffer_t b;
 	isc_result_t ret;
-	int bytes;
-	unsigned char data[HMAC_LEN];
+	unsigned int bytes;
+	unsigned char data[ISC_SHA384_BLOCK_LENGTH];
+
+	UNUSED(callback);
 
 	bytes = (key->key_size + 7) / 8;
-	if (bytes > HMAC_LEN) {
-		bytes = HMAC_LEN;
-		key->key_size = HMAC_LEN * 8;
+	if (bytes > ISC_SHA384_BLOCK_LENGTH) {
+		bytes = ISC_SHA384_BLOCK_LENGTH;
+		key->key_size = ISC_SHA384_BLOCK_LENGTH * 8;
 	}
 
-	memset(data, 0, HMAC_LEN);
+	memset(data, 0, ISC_SHA384_BLOCK_LENGTH);
 	ret = dst__entropy_getdata(data, bytes, ISC_TF(pseudorandom_ok != 0));
 
 	if (ret != ISC_R_SUCCESS)
@@ -1249,7 +1278,7 @@ hmacsha384_generate(dst_key_t *key, int pseudorandom_ok) {
 	isc_buffer_init(&b, data, bytes);
 	isc_buffer_add(&b, bytes);
 	ret = hmacsha384_fromdns(key, &b);
-	memset(data, 0, ISC_SHA384_DIGESTLENGTH);
+	memset(data, 0, ISC_SHA384_BLOCK_LENGTH);
 
 	return (ret);
 }
@@ -1263,6 +1292,7 @@ hmacsha384_isprivate(const dst_key_t *key) {
 static void
 hmacsha384_destroy(dst_key_t *key) {
 	dst_hmacsha384_key_t *hkey = key->keydata.hmacsha384;
+
 	memset(hkey, 0, sizeof(dst_hmacsha384_key_t));
 	isc_mem_put(key->mctx, hkey, sizeof(dst_hmacsha384_key_t));
 	key->keydata.hmacsha384 = NULL;
@@ -1302,7 +1332,7 @@ hmacsha384_fromdns(dst_key_t *key, isc_buffer_t *data) {
 
 	memset(hkey->key, 0, sizeof(hkey->key));
 
-	if (r.length > ISC_SHA384_DIGESTLENGTH) {
+	if (r.length > ISC_SHA384_BLOCK_LENGTH) {
 		isc_sha384_init(&sha384ctx);
 		isc_sha384_update(&sha384ctx, r.base, r.length);
 		isc_sha384_final(hkey->key, &sha384ctx);
@@ -1347,13 +1377,14 @@ hmacsha384_tofile(const dst_key_t *key, const char *directory) {
 }
 
 static isc_result_t
-hmacsha384_parse(dst_key_t *key, isc_lex_t *lexer) {
+hmacsha384_parse(dst_key_t *key, isc_lex_t *lexer, dst_key_t *pub) {
 	dst_private_t priv;
 	isc_result_t result, tresult;
 	isc_buffer_t b;
 	isc_mem_t *mctx = key->mctx;
 	unsigned int i;
 
+	UNUSED(pub);
 	/* read private key file */
 	result = dst__privstruct_parse(key, DST_ALG_HMACSHA384, lexer, mctx,
 				       &priv);
@@ -1404,6 +1435,8 @@ static dst_func_t hmacsha384_functions = {
 	hmacsha384_parse,
 	NULL, /* cleanup */
 	NULL, /* fromlabel */
+	NULL, /* dump */
+	NULL, /* restore */
 };
 
 isc_result_t
@@ -1417,7 +1450,7 @@ dst__hmacsha384_init(dst_func_t **funcp) {
 static isc_result_t hmacsha512_fromdns(dst_key_t *key, isc_buffer_t *data);
 
 struct dst_hmacsha512_key {
-	unsigned char key[ISC_SHA512_DIGESTLENGTH];
+	unsigned char key[ISC_SHA512_BLOCK_LENGTH];
 };
 
 static isc_result_t
@@ -1428,7 +1461,7 @@ hmacsha512_createctx(dst_key_t *key, dst_context_t *dctx) {
 	hmacsha512ctx = isc_mem_get(dctx->mctx, sizeof(isc_hmacsha512_t));
 	if (hmacsha512ctx == NULL)
 		return (ISC_R_NOMEMORY);
-	isc_hmacsha512_init(hmacsha512ctx, hkey->key, ISC_SHA512_DIGESTLENGTH);
+	isc_hmacsha512_init(hmacsha512ctx, hkey->key, ISC_SHA512_BLOCK_LENGTH);
 	dctx->ctxdata.hmacsha512ctx = hmacsha512ctx;
 	return (ISC_R_SUCCESS);
 }
@@ -1491,26 +1524,30 @@ hmacsha512_compare(const dst_key_t *key1, const dst_key_t *key2) {
 	else if (hkey1 == NULL || hkey2 == NULL)
 		return (ISC_FALSE);
 
-	if (memcmp(hkey1->key, hkey2->key, ISC_SHA512_DIGESTLENGTH) == 0)
+	if (memcmp(hkey1->key, hkey2->key, ISC_SHA512_BLOCK_LENGTH) == 0)
 		return (ISC_TRUE);
 	else
 		return (ISC_FALSE);
 }
 
 static isc_result_t
-hmacsha512_generate(dst_key_t *key, int pseudorandom_ok) {
+hmacsha512_generate(dst_key_t *key, int pseudorandom_ok,
+		    void (*callback)(int))
+{
 	isc_buffer_t b;
 	isc_result_t ret;
-	int bytes;
-	unsigned char data[HMAC_LEN];
+	unsigned int bytes;
+	unsigned char data[ISC_SHA512_BLOCK_LENGTH];
+
+	UNUSED(callback);
 
 	bytes = (key->key_size + 7) / 8;
-	if (bytes > HMAC_LEN) {
-		bytes = HMAC_LEN;
-		key->key_size = HMAC_LEN * 8;
+	if (bytes > ISC_SHA512_BLOCK_LENGTH) {
+		bytes = ISC_SHA512_BLOCK_LENGTH;
+		key->key_size = ISC_SHA512_BLOCK_LENGTH * 8;
 	}
 
-	memset(data, 0, HMAC_LEN);
+	memset(data, 0, ISC_SHA512_BLOCK_LENGTH);
 	ret = dst__entropy_getdata(data, bytes, ISC_TF(pseudorandom_ok != 0));
 
 	if (ret != ISC_R_SUCCESS)
@@ -1519,7 +1556,7 @@ hmacsha512_generate(dst_key_t *key, int pseudorandom_ok) {
 	isc_buffer_init(&b, data, bytes);
 	isc_buffer_add(&b, bytes);
 	ret = hmacsha512_fromdns(key, &b);
-	memset(data, 0, ISC_SHA512_DIGESTLENGTH);
+	memset(data, 0, ISC_SHA512_BLOCK_LENGTH);
 
 	return (ret);
 }
@@ -1533,6 +1570,7 @@ hmacsha512_isprivate(const dst_key_t *key) {
 static void
 hmacsha512_destroy(dst_key_t *key) {
 	dst_hmacsha512_key_t *hkey = key->keydata.hmacsha512;
+
 	memset(hkey, 0, sizeof(dst_hmacsha512_key_t));
 	isc_mem_put(key->mctx, hkey, sizeof(dst_hmacsha512_key_t));
 	key->keydata.hmacsha512 = NULL;
@@ -1572,7 +1610,7 @@ hmacsha512_fromdns(dst_key_t *key, isc_buffer_t *data) {
 
 	memset(hkey->key, 0, sizeof(hkey->key));
 
-	if (r.length > ISC_SHA512_DIGESTLENGTH) {
+	if (r.length > ISC_SHA512_BLOCK_LENGTH) {
 		isc_sha512_init(&sha512ctx);
 		isc_sha512_update(&sha512ctx, r.base, r.length);
 		isc_sha512_final(hkey->key, &sha512ctx);
@@ -1617,13 +1655,14 @@ hmacsha512_tofile(const dst_key_t *key, const char *directory) {
 }
 
 static isc_result_t
-hmacsha512_parse(dst_key_t *key, isc_lex_t *lexer) {
+hmacsha512_parse(dst_key_t *key, isc_lex_t *lexer, dst_key_t *pub) {
 	dst_private_t priv;
 	isc_result_t result, tresult;
 	isc_buffer_t b;
 	isc_mem_t *mctx = key->mctx;
 	unsigned int i;
 
+	UNUSED(pub);
 	/* read private key file */
 	result = dst__privstruct_parse(key, DST_ALG_HMACSHA512, lexer, mctx,
 				       &priv);
@@ -1674,6 +1713,8 @@ static dst_func_t hmacsha512_functions = {
 	hmacsha512_parse,
 	NULL, /* cleanup */
 	NULL, /* fromlabel */
+	NULL, /* dump */
+	NULL, /* restore */
 };
 
 isc_result_t
diff --git a/lib/dns/include/dns/Makefile.in b/lib/dns/include/dns/Makefile.in
index a4cd810..e13d084 100644
--- a/lib/dns/include/dns/Makefile.in
+++ b/lib/dns/include/dns/Makefile.in
@@ -1,4 +1,4 @@
-# Copyright (C) 2004, 2007, 2008  Internet Systems Consortium, Inc. ("ISC")
+# Copyright (C) 2004, 2007-2009  Internet Systems Consortium, Inc. ("ISC")
 # Copyright (C) 1998-2003  Internet Software Consortium.
 #
 # Permission to use, copy, modify, and/or distribute this software for any
@@ -13,7 +13,7 @@
 # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 # PERFORMANCE OF THIS SOFTWARE.
 
-# $Id: Makefile.in,v 1.55 2008-11-14 23:47:33 tbox Exp $
+# $Id: Makefile.in,v 1.57 2009-10-08 23:48:10 tbox Exp $
 
 srcdir =	@srcdir@
 VPATH =		@srcdir@
@@ -21,19 +21,17 @@ top_srcdir =	@top_srcdir@
 
 @BIND9_VERSION@
 
-HEADERS =	acl.h adb.h byaddr.h cache.h callbacks.h \
-		cert.h compress.h \
+HEADERS =	acl.h adb.h byaddr.h cache.h callbacks.h cert.h compress.h \
 		db.h dbiterator.h dbtable.h diff.h dispatch.h dlz.h \
-		dnssec.h ds.h events.h fixedname.h iptable.h journal.h keyflags.h \
-		keytable.h keyvalues.h lib.h log.h master.h masterdump.h \
-		message.h name.h ncache.h \
-		nsec.h peer.h portlist.h rbt.h rcode.h \
+		dnssec.h ds.h events.h fixedname.h iptable.h journal.h \
+		keyflags.h keytable.h keyvalues.h lib.h log.h \
+		master.h masterdump.h message.h name.h ncache.h nsec.h \
+		peer.h portlist.h private.h rbt.h rcode.h \
 		rdata.h rdataclass.h rdatalist.h rdataset.h rdatasetiter.h \
 		rdataslab.h rdatatype.h request.h resolver.h result.h \
 		rootns.h sdb.h sdlz.h secalg.h secproto.h soa.h ssu.h \
-		tcpmsg.h time.h tkey.h \
-		tsig.h ttl.h types.h validator.h version.h view.h xfrin.h \
-		zone.h zonekey.h zt.h
+		tcpmsg.h time.h tkey.h tsig.h ttl.h types.h \
+		validator.h version.h view.h xfrin.h zone.h zonekey.h zt.h
 
 GENHEADERS =	enumclass.h enumtype.h rdatastruct.h
 
diff --git a/lib/dns/include/dns/acl.h b/lib/dns/include/dns/acl.h
index 1045cd2..04f5577 100644
--- a/lib/dns/include/dns/acl.h
+++ b/lib/dns/include/dns/acl.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: acl.h,v 1.31.206.2 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: acl.h,v 1.33 2009-01-17 23:47:43 tbox Exp $ */
 
 #ifndef DNS_ACL_H
 #define DNS_ACL_H 1
diff --git a/lib/dns/include/dns/cache.h b/lib/dns/include/dns/cache.h
index 94077d6..e4ea5f4 100644
--- a/lib/dns/include/dns/cache.h
+++ b/lib/dns/include/dns/cache.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: cache.h,v 1.26 2007-06-19 23:47:16 tbox Exp $ */
+/* $Id: cache.h,v 1.28 2009-01-09 23:47:46 tbox Exp $ */
 
 #ifndef DNS_CACHE_H
 #define DNS_CACHE_H 1
@@ -65,8 +65,15 @@ dns_cache_create(isc_mem_t *mctx, isc_taskmgr_t *taskmgr,
 		 isc_timermgr_t *timermgr, dns_rdataclass_t rdclass,
 		 const char *db_type, unsigned int db_argc, char **db_argv,
 		 dns_cache_t **cachep);
+isc_result_t
+dns_cache_create2(isc_mem_t *mctx, isc_taskmgr_t *taskmgr,
+		  isc_timermgr_t *timermgr, dns_rdataclass_t rdclass,
+		  const char *cachename, const char *db_type,
+		  unsigned int db_argc, char **db_argv, dns_cache_t **cachep);
 /*%<
- * Create a new DNS cache.
+ * Create a new DNS cache.  dns_cache_create2() will create a named cache.
+ * dns_cache_create() is a backward compatible version that internally specifies
+ * an empty name.
  *
  * Requires:
  *
@@ -76,6 +83,8 @@ dns_cache_create(isc_mem_t *mctx, isc_taskmgr_t *taskmgr,
  * 	manager, or both are NULL.  If NULL, no periodic cleaning of the
  * 	cache will take place.
  *
+ *\li	'cachename' is a valid string.  This must not be NULL.
+ *
  *\li	'cachep' is a valid pointer, and *cachep == NULL
  *
  * Ensures:
@@ -217,12 +226,36 @@ dns_cache_setcleaninginterval(dns_cache_t *cache, unsigned int interval);
  * Set the periodic cache cleaning interval to 'interval' seconds.
  */
 
+unsigned int
+dns_cache_getcleaninginterval(dns_cache_t *cache);
+/*%<
+ * Get the periodic cache cleaning interval to 'interval' seconds.
+ */
+
+isc_uint32_t
+dns_cache_getcachesize(dns_cache_t *cache);
+/*%<
+ * Get the maximum cache size.
+ */
+
+const char *
+dns_cache_getname(dns_cache_t *cache);
+/*%<
+ * Get the cache name.
+ */
+
 void
 dns_cache_setcachesize(dns_cache_t *cache, isc_uint32_t size);
 /*%<
  * Set the maximum cache size.  0 means unlimited.
  */
 
+isc_uint32_t
+dns_cache_getcachesize(dns_cache_t *cache);
+/*%<
+ * Get the maximum cache size.
+ */
+
 isc_result_t
 dns_cache_flush(dns_cache_t *cache);
 /*%<
diff --git a/lib/dns/include/dns/client.h b/lib/dns/include/dns/client.h
new file mode 100644
index 0000000..13cdf8f
--- /dev/null
+++ b/lib/dns/include/dns/client.h
@@ -0,0 +1,621 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: client.h,v 1.3 2009-09-02 23:48:02 tbox Exp $ */
+
+#ifndef DNS_CLIENT_H
+#define DNS_CLIENT_H 1
+
+/*****
+ ***** Module Info
+ *****/
+
+/*! \file
+ *
+ * \brief
+ * The DNS client module provides convenient programming interfaces to various
+ * DNS services, such as name resolution with or without DNSSEC validation or
+ * dynamic DNS update.  This module is primarily expected to be used by other
+ * applications than BIND9-related ones that need such advanced DNS features.
+ *
+ * MP:
+ *\li	In the typical usage of this module, application threads will not share
+ *	the same data structures created and manipulated in this module.
+ *	However, the module still ensures appropriate synchronization of such
+ *	data structures.
+ *
+ * Resources:
+ *\li	TBS
+ *
+ * Security:
+ *\li	This module does not handle any low-level data directly, and so no
+ *	security issue specific to this module is anticipated.
+ */
+
+#include 
+#include 
+
+#include 
+#include 
+
+#include 
+
+typedef enum {
+	updateop_none = 0,
+	updateop_add = 1,
+	updateop_delete = 2,
+	updateop_exist = 3,
+	updateop_notexist = 4,
+	updateop_max = 5
+} dns_client_updateop_t;
+
+ISC_LANG_BEGINDECLS
+
+/***
+ *** Types
+ ***/
+
+/*%
+ * Optional flags for dns_client_create(x).
+ */
+/*%< Enable caching resolution results (experimental). */
+#define DNS_CLIENTCREATEOPT_USECACHE	0x8000
+
+/*%
+ * Optional flags for dns_client_(start)resolve.
+ */
+/*%< Disable DNSSEC validation. */
+#define DNS_CLIENTRESOPT_NODNSSEC	0x01
+/*%< Allow running external context. */
+#define DNS_CLIENTRESOPT_ALLOWRUN	0x02
+
+/*%
+ * Optional flags for dns_client_(start)request.
+ */
+/*%< Allow running external context. */
+#define DNS_CLIENTREQOPT_ALLOWRUN	0x01
+
+/*%
+ * A dns_clientresevent_t is sent when name resolution performed by a client
+ * completes.  'result' stores the result code of the entire resolution
+ * procedure.  'vresult' specifically stores the result code of DNSSEC
+ * validation if it is performed.  When name resolution successfully completes,
+ * 'answerlist' is typically non empty, containing answer names along with
+ * RRsets.  It is the receiver's responsibility to free this list by calling
+ * dns_client_freeresanswer() before freeing the event structure.
+ */
+typedef struct dns_clientresevent {
+	ISC_EVENT_COMMON(struct dns_clientresevent);
+	isc_result_t	result;
+	isc_result_t	vresult;
+	dns_namelist_t	answerlist;
+} dns_clientresevent_t;		/* too long? */
+
+/*%
+ * Status of a dynamic update procedure.
+ */
+typedef enum {
+	dns_clientupdatestate_prepare,	/*%< no updates have been sent */
+	dns_clientupdatestate_sent,	/*%< updates were sent, no response */
+	dns_clientupdatestate_done	/*%< update was sent and succeeded */
+} dns_clientupdatestate_t;
+
+/*%
+ * A dns_clientreqevent_t is sent when a DNS request is completed by a client.
+ * 'result' stores the result code of the entire transaction.
+ * If the transaction is successfully completed but the response packet cannot
+ * be parsed, 'result' will store the result code of dns_message_parse().
+ * If the response packet is received, 'rmessage' will contain the response
+ * message, whether it is successfully parsed or not.
+ */
+typedef struct dns_clientreqevent {
+	ISC_EVENT_COMMON(struct dns_clientreqevent);
+	isc_result_t	result;
+	dns_message_t	*rmessage;
+} dns_clientreqevent_t;		/* too long? */
+
+/*%
+ * A dns_clientupdateevent_t is sent when dynamic update performed by a client
+ * completes.  'result' stores the result code of the entire update procedure.
+ * 'state' specifies the status of the update procedure when this event is
+ * sent.  This can be used as a hint by the receiver to determine whether
+ * the update attempt was ever made.  In particular, if the state is
+ * dns_clientupdatestate_prepare, the receiver can be sure that the requested
+ * update was not applied.
+ */
+typedef struct dns_clientupdateevent {
+	ISC_EVENT_COMMON(struct dns_clientupdateevent);
+	isc_result_t		result;
+	dns_clientupdatestate_t	state;
+} dns_clientupdateevent_t;	/* too long? */
+
+isc_result_t
+dns_client_create(dns_client_t **clientp, unsigned int options);
+
+isc_result_t
+dns_client_createx(isc_mem_t *mctx, isc_appctx_t *actx, isc_taskmgr_t *taskmgr,
+		   isc_socketmgr_t *socketmgr, isc_timermgr_t *timermgr,
+		   unsigned int options, dns_client_t **clientp);
+/*%<
+ * Create a DNS client.  These functions create a new client object with
+ * minimal internal resources such as the default 'view' for the IN class and
+ * IPv4/IPv6 dispatches for the view.
+ *
+ * dns_client_createx() takes 'manager' arguments so that the caller can
+ * control the behavior of the client through the underlying event framework.
+ * On the other hand, dns_client_create() simplifies the interface and creates
+ * the managers internally.  A DNS client object created via
+ * dns_client_create() is expected to be used by an application that only needs
+ * simple synchronous services or by a thread-based application.
+ *
+ * If the DNS_CLIENTCREATEOPT_USECACHE flag is set in 'options',
+ * dns_client_create(x) will create a cache database with the view.
+ *
+ * Requires:
+ *
+ *\li	'mctx' is a valid memory context.
+ *
+ *\li	'actx' is a valid application context.
+ *
+ *\li	'taskmgr' is a valid task manager.
+ *
+ *\li	'socketmgr' is a valid socket manager.
+ *
+ *\li	'timermgr' is a valid timer manager.
+ *
+ *\li	clientp != NULL && *clientp == NULL.
+ *
+ * Returns:
+ *
+ *\li	#ISC_R_SUCCESS				On success.
+ *
+ *\li	Anything else				Failure.
+ */
+
+void
+dns_client_destroy(dns_client_t **clientp);
+/*%<
+ * Destroy 'client'.
+ *
+ * Requires:
+ *
+ *\li	'*clientp' is a valid client.
+ *
+ * Ensures:
+ *
+ *\li	*clientp == NULL.
+ */
+
+isc_result_t
+dns_client_setservers(dns_client_t *client, dns_rdataclass_t rdclass,
+		      dns_name_t *namespace, isc_sockaddrlist_t *addrs);
+/*%<
+ * Specify a list of addresses of recursive name servers that the client will
+ * use for name resolution.  A view for the 'rdclass' class must be created
+ * beforehand.  If 'namespace' is non NULL, the specified server will be used
+ * if and only if the query name is a subdomain of 'namespace'.  When servers
+ * for multiple 'namespace's are provided, and a query name is covered by
+ * more than one 'namespace', the servers for the best (longest) matching
+ * namespace will be used.  If 'namespace' is NULL, it works as if
+ * dns_rootname (.) were specified.
+ *
+ * Requires:
+ *
+ *\li	'client' is a valid client.
+ *
+ *\li	'namespace' is NULL or a valid name.
+ *
+ *\li	'addrs' != NULL.
+ *
+ * Returns:
+ *
+ *\li	#ISC_R_SUCCESS				On success.
+ *
+ *\li	Anything else				Failure.
+ */
+
+isc_result_t
+dns_client_clearservers(dns_client_t *client, dns_rdataclass_t rdclass,
+			dns_name_t *namespace);
+/*%<
+ * Remove configured recursive name servers for the 'rdclass' and 'namespace'
+ * from the client.  See the description of dns_client_setservers() for
+ * the requirements about 'rdclass' and 'namespace'.
+ *
+ * Requires:
+ *
+ *\li	'client' is a valid client.
+ *
+ *\li	'namespace' is NULL or a valid name.
+ *
+ * Returns:
+ *
+ *\li	#ISC_R_SUCCESS				On success.
+ *
+ *\li	Anything else				Failure.
+ */
+
+isc_result_t
+dns_client_resolve(dns_client_t *client, dns_name_t *name,
+		   dns_rdataclass_t rdclass, dns_rdatatype_t type,
+		   unsigned int options, dns_namelist_t *namelist);
+
+isc_result_t
+dns_client_startresolve(dns_client_t *client, dns_name_t *name,
+			dns_rdataclass_t rdclass, dns_rdatatype_t type,
+			unsigned int options, isc_task_t *task,
+			isc_taskaction_t action, void *arg,
+			dns_clientrestrans_t **transp);
+/*%<
+ * Perform name resolution for 'name', 'rdclass', and 'type'.
+ *
+ * If any trusted keys are configured and the query name is considered to
+ * belong to a secure zone, these functions also validate the responses
+ * using DNSSEC by default.  If the DNS_CLIENTRESOPT_NODNSSEC flag is set
+ * in 'options', DNSSEC validation is disabled regardless of the configured
+ * trusted keys or the query name.
+ *
+ * dns_client_resolve() provides a synchronous service.  This function starts
+ * name resolution internally and blocks until it completes.  On success,
+ * 'namelist' will contain a list of answer names, each of which has
+ * corresponding RRsets.  The caller must provide a valid empty list, and
+ * is responsible for freeing the list content via dns_client_freeresanswer().
+ * If the name resolution fails due to an error in DNSSEC validation,
+ * dns_client_resolve() returns the result code indicating the validation
+ * error. Otherwise, it returns the result code of the entire resolution
+ * process, either success or failure.
+ *
+ * It is typically expected that the client object passed to
+ * dns_client_resolve() was created via dns_client_create() and has its own
+ * managers and contexts.  However, if the DNS_CLIENTRESOPT_ALLOWRUN flag is
+ * set in 'options', this function performs the synchronous service even if
+ * it does not have its own manager and context structures.
+ *
+ * dns_client_startresolve() is an asynchronous version of dns_client_resolve()
+ * and does not block.  When name resolution is completed, 'action' will be
+ * called with the argument of a 'dns_clientresevent_t' object, which contains
+ * the resulting list of answer names (on success).  On return, '*transp' is
+ * set to an opaque transaction ID so that the caller can cancel this
+ * resolution process.
+ *
+ * Requires:
+ *
+ *\li	'client' is a valid client.
+ *
+ *\li	'addrs' != NULL.
+ *
+ *\li	'name' is a valid name.
+ *
+ *\li	'namelist' != NULL and is not empty.
+ *
+ *\li	'task' is a valid task.
+ *
+ *\li	'transp' != NULL && *transp == NULL;
+ *
+ * Returns:
+ *
+ *\li	#ISC_R_SUCCESS				On success.
+ *
+ *\li	Anything else				Failure.
+ */
+
+void
+dns_client_cancelresolve(dns_clientrestrans_t *trans);
+/*%<
+ * Cancel an ongoing resolution procedure started via
+ * dns_client_startresolve().
+ *
+ * Notes:
+ *
+ *\li	If the resolution procedure has not completed, post its CLIENTRESDONE
+ *	event with a result code of #ISC_R_CANCELED.
+ *
+ * Requires:
+ *
+ *\li	'trans' is a valid transaction ID.
+ */
+
+void
+dns_client_destroyrestrans(dns_clientrestrans_t **transp);
+/*%<
+ * Destroy name resolution transaction state identified by '*transp'.
+ *
+ * Requires:
+ *
+ *\li	'*transp' is a valid transaction ID.
+ *
+ *\li	The caller has received the CLIENTRESDONE event (either because the
+ *	resolution completed or because dns_client_cancelresolve() was called).
+ *
+ * Ensures:
+ *
+ *\li	*transp == NULL.
+ */
+
+void
+dns_client_freeresanswer(dns_client_t *client, dns_namelist_t *namelist);
+/*%<
+ * Free resources allocated for the content of 'namelist'.
+ *
+ * Requires:
+ *
+ *\li	'client' is a valid client.
+ *
+ *\li	'namelist' != NULL.
+ */
+
+isc_result_t
+dns_client_addtrustedkey(dns_client_t *client, dns_rdataclass_t rdclass,
+			 dns_name_t *keyname, isc_buffer_t *keydatabuf);
+/*%<
+ * Add a DNSSEC trusted key for the 'rdclass' class.  A view for the 'rdclass'
+ * class must be created beforehand.  'keyname' is the DNS name of the key,
+ * and 'keydatabuf' stores the resource data of the key.
+ *
+ * Requires:
+ *
+ *\li	'client' is a valid client.
+ *
+ *\li	'keyname' is a valid name.
+ *
+ *\li	'keydatabuf' is a valid buffer.
+ *
+ * Returns:
+ *
+ *\li	#ISC_R_SUCCESS				On success.
+ *
+ *\li	Anything else				Failure.
+ */
+
+isc_result_t
+dns_client_request(dns_client_t *client, dns_message_t *qmessage,
+		   dns_message_t *rmessage, isc_sockaddr_t *server,
+		   unsigned int options, unsigned int parseoptions,
+		   dns_tsec_t *tsec, unsigned int timeout,
+		   unsigned int udptimeout, unsigned int udpretries);
+
+isc_result_t
+dns_client_startrequest(dns_client_t *client, dns_message_t *qmessage,
+			dns_message_t *rmessage, isc_sockaddr_t *server,
+			unsigned int options, unsigned int parseoptions,
+			dns_tsec_t *tsec, unsigned int timeout,
+			unsigned int udptimeout, unsigned int udpretries,
+			isc_task_t *task, isc_taskaction_t action, void *arg,
+			dns_clientreqtrans_t **transp);
+
+/*%<
+ * Send a DNS request containig a query message 'query' to 'server'.
+ *
+ * 'parseoptions' will be used when the response packet is parsed, and will be
+ * passed to dns_message_parse() via dns_request_getresponse().  See
+ * dns_message_parse() for more details.
+ *
+ * 'tsec' is a transaction security object containing, e.g. a TSIG key for
+ * authenticating the request/response transaction.  This is optional and can
+ * be NULL, in which case this library performs the transaction  without any
+ * transaction authentication.
+ *
+ * 'timeout', 'udptimeout', and 'udpretries' are passed to
+ * dns_request_createvia3().  See dns_request_createvia3() for more details.
+ *
+ * dns_client_request() provides a synchronous service.  This function sends
+ * the request and blocks until a response is received.  On success,
+ * 'rmessage' will contain the response message.  The caller must provide a
+ * valid initialized message.
+ *
+ * It is usually expected that the client object passed to
+ * dns_client_request() was created via dns_client_create() and has its own
+ * managers and contexts.  However, if the DNS_CLIENTREQOPT_ALLOWRUN flag is
+ * set in 'options', this function performs the synchronous service even if
+ * it does not have its own manager and context structures.
+ *
+ * dns_client_startrequest() is an asynchronous version of dns_client_request()
+ * and does not block.  When the transaction is completed, 'action' will be
+ * called with the argument of a 'dns_clientreqevent_t' object, which contains
+ * the response message (on success).  On return, '*transp' is set to an opaque
+ * transaction ID so that the caller can cancel this request.
+ *
+ * Requires:
+ *
+ *\li	'client' is a valid client.
+ *
+ *\li	'qmessage' and 'rmessage' are valid initialized message.
+ *
+ *\li	'server' is a valid socket address structure.
+ *
+ *\li	'task' is a valid task.
+ *
+ *\li	'transp' != NULL && *transp == NULL;
+ *
+ * Returns:
+ *
+ *\li	#ISC_R_SUCCESS				On success.
+ *
+ *\li	Anything else				Failure.
+ *
+ *\li	Any result that dns_message_parse() can return.
+ */
+
+void
+dns_client_cancelrequest(dns_clientreqtrans_t *transp);
+/*%<
+ * Cancel an ongoing DNS request procedure started via
+ * dns_client_startrequest().
+ *
+ * Notes:
+ *
+ *\li	If the request procedure has not completed, post its CLIENTREQDONE
+ *	event with a result code of #ISC_R_CANCELED.
+ *
+ * Requires:
+ *
+ *\li	'trans' is a valid transaction ID.
+ */
+
+void
+dns_client_destroyreqtrans(dns_clientreqtrans_t **transp);
+/*%
+ * Destroy DNS request transaction state identified by '*transp'.
+ *
+ * Requires:
+ *
+ *\li	'*transp' is a valid transaction ID.
+ *
+ *\li	The caller has received the CLIENTREQDONE event (either because the
+ *	request completed or because dns_client_cancelrequest() was called).
+ *
+ * Ensures:
+ *
+ *\li	*transp == NULL.
+ */
+
+isc_result_t
+dns_client_update(dns_client_t *client, dns_rdataclass_t rdclass,
+		  dns_name_t *zonename, dns_namelist_t *prerequisites,
+		  dns_namelist_t *updates, isc_sockaddrlist_t *servers,
+		  dns_tsec_t *tsec, unsigned int options);
+
+isc_result_t
+dns_client_startupdate(dns_client_t *client, dns_rdataclass_t rdclass,
+		       dns_name_t *zonename, dns_namelist_t *prerequisites,
+		       dns_namelist_t *updates, isc_sockaddrlist_t *servers,
+		       dns_tsec_t *tsec, unsigned int options,
+		       isc_task_t *task, isc_taskaction_t action, void *arg,
+		       dns_clientupdatetrans_t **transp);
+/*%<
+ * Perform DNS dynamic update for 'updates' of the 'rdclass' class with
+ * optional 'prerequisites'.
+ *
+ * 'updates' are a list of names with associated RRsets to be updated.
+ *
+ * 'prerequisites' are a list of names with associated RRsets corresponding to
+ * the prerequisites of the updates.  This is optional and can be NULL, in
+ * which case the prerequisite section of the update message will be empty.
+ *
+ * Both 'updates' and 'prerequisites' must be constructed as specified in
+ * RFC2136.
+ *
+ * 'zonename' is the name of the zone in which the updated names exist.
+ * This is optional and can be NULL.  In this case, these functions internally
+ * identify the appropriate zone through some queries for the SOA RR starting
+ * with the first name in prerequisites or updates.
+ *
+ * 'servers' is a list of authoritative servers to which the update message
+ * should be sent.  This is optional and can be NULL.  In this case, these
+ * functions internally identify the appropriate primary server name and its
+ * addresses through some queries for the SOA RR (like the case of zonename)
+ * and supplemental A/AAAA queries for the server name.
+ * Note: The client module generally assumes the given addresses are of the
+ * primary server of the corresponding zone.  It will work even if a secondary
+ * server address is specified as long as the server allows update forwarding,
+ * it is generally discouraged to include secondary server addresses unless
+ * there's strong reason to do so.
+ *
+ * 'tsec' is a transaction security object containing, e.g. a TSIG key for
+ * authenticating the update transaction (and the supplemental query/response
+ * transactions if the server is specified).  This is optional and can be
+ * NULL, in which case the library tries the update without any transaction
+ * authentication.
+ *
+ * dns_client_update() provides a synchronous service.  This function blocks
+ * until the entire update procedure completes, including the additional
+ * queries when necessary.
+ *
+ * dns_client_startupdate() is an asynchronous version of dns_client_update().
+ * It immediately returns (typically with *transp being set to a non-NULL
+ * pointer), and performs the update procedure through a set of internal
+ * events.  All transactions including the additional query exchanges are
+ * performed as a separate event, so none of these events cause blocking
+ * operation.  When the update procedure completes, the specified function
+ * 'action' will be called with the argument of a 'dns_clientupdateevent_t'
+ * structure.  On return, '*transp' is set to an opaque transaction ID so that
+ * the caller can cancel this update process.
+ *
+ * Notes:
+ *\li	No options are currently defined.
+ *
+ * Requires:
+ *
+ *\li	'client' is a valid client.
+ *
+ *\li	'updates' != NULL.
+ *
+ *\li	'task' is a valid task.
+ *
+ *\li	'transp' != NULL && *transp == NULL;
+ *
+ * Returns:
+ *
+ *\li	#ISC_R_SUCCESS				On success.
+ *
+ *\li	Anything else				Failure.
+ */
+
+void
+dns_client_cancelupdate(dns_clientupdatetrans_t *trans);
+/*%<
+ * Cancel an ongoing dynamic update procedure started via
+ * dns_client_startupdate().
+ *
+ * Notes:
+ *
+ *\li	If the update procedure has not completed, post its UPDATEDONE
+ *	event with a result code of #ISC_R_CANCELED.
+ *
+ * Requires:
+ *
+ *\li	'trans' is a valid transaction ID.
+ */
+
+void
+dns_client_destroyupdatetrans(dns_clientupdatetrans_t **transp);
+/*%<
+ * Destroy dynamic update transaction identified by '*transp'.
+ *
+ * Requires:
+ *
+ *\li	'*transp' is a valid transaction ID.
+ *
+ *\li	The caller has received the UPDATEDONE event (either because the
+ *	update completed or because dns_client_cancelupdate() was called).
+ *
+ * Ensures:
+ *
+ *\li	*transp == NULL.
+ */
+
+isc_result_t
+dns_client_updaterec(dns_client_updateop_t op, dns_name_t *owner,
+		     dns_rdatatype_t type, dns_rdata_t *source,
+		     dns_ttl_t ttl, dns_name_t *target,
+		     dns_rdataset_t *rdataset, dns_rdatalist_t *rdatalist,
+		     dns_rdata_t *rdata, isc_mem_t *mctx);
+/*%<
+ * TBD
+ */
+
+void
+dns_client_freeupdate(dns_name_t **namep);
+/*%<
+ * TBD
+ */
+
+isc_mem_t *
+dns_client_mctx(dns_client_t *client);
+
+ISC_LANG_ENDDECLS
+
+#endif /* DNS_CLIENT_H */
diff --git a/lib/dns/include/dns/compress.h b/lib/dns/include/dns/compress.h
index 4181c77..ebe543b 100644
--- a/lib/dns/include/dns/compress.h
+++ b/lib/dns/include/dns/compress.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: compress.h,v 1.40.332.2 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: compress.h,v 1.42 2009-01-17 23:47:43 tbox Exp $ */
 
 #ifndef DNS_COMPRESS_H
 #define DNS_COMPRESS_H 1
diff --git a/lib/dns/include/dns/db.h b/lib/dns/include/dns/db.h
index f622834..edb1263 100644
--- a/lib/dns/include/dns/db.h
+++ b/lib/dns/include/dns/db.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2009, 2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: db.h,v 1.93.50.5 2009-11-25 23:48:42 tbox Exp $ */
+/* $Id: db.h,v 1.104 2011-01-13 04:59:25 tbox Exp $ */
 
 #ifndef DNS_DB_H
 #define DNS_DB_H 1
@@ -59,7 +59,11 @@
 #include 
 #include 
 
+#include 
 #include 
+#include 
+#include 
+#include 
 #include 
 
 ISC_LANG_BEGINDECLS
@@ -167,6 +171,13 @@ typedef struct dns_dbmethods {
 					   dns_dbversion_t *version);
 	isc_boolean_t	(*isdnssec)(dns_db_t *db);
 	dns_stats_t	*(*getrrsetstats)(dns_db_t *db);
+	void		(*rpz_enabled)(dns_db_t *db, dns_rpz_st_t *st);
+	isc_result_t	(*rpz_findips)(dns_rpz_zone_t *rpz,
+				       dns_rpz_type_t rpz_type,
+				       dns_zone_t *zone, dns_db_t *db,
+				       dns_dbversion_t *version,
+				       dns_rdataset_t *ardataset,
+				       dns_rpz_st_t *st);
 } dns_dbmethods_t;
 
 typedef isc_result_t
@@ -491,6 +502,10 @@ dns_db_load(dns_db_t *db, const char *filename);
 
 isc_result_t
 dns_db_load2(dns_db_t *db, const char *filename, dns_masterformat_t format);
+
+isc_result_t
+dns_db_load3(dns_db_t *db, const char *filename, dns_masterformat_t format,
+	     unsigned int options);
 /*%<
  * Load master file 'filename' into 'db'.
  *
@@ -614,7 +629,7 @@ dns_db_closeversion(dns_db_t *db, dns_dbversion_t **versionp,
  *
  * Note: if '*versionp' is a read-write version and 'commit' is ISC_TRUE,
  * then all changes made in the version will take effect, otherwise they
- * will be rolled back.  The value if 'commit' is ignored for read-only
+ * will be rolled back.  The value of 'commit' is ignored for read-only
  * versions.
  *
  * Requires:
@@ -841,6 +856,9 @@ dns_db_find(dns_db_t *db, dns_name_t *name, dns_dbversion_t *version,
  *	\li	#DNS_R_COVERINGNSEC		The returned data is a NSEC
  *						that potentially covers 'name'.
  *
+ *	\li	#DNS_R_EMPTYWILD		The name is a wildcard without
+ *						resource records.
+ *
  *	Error results:
  *
  *	\li	#ISC_R_NOMEMORY
@@ -1477,6 +1495,31 @@ dns_db_getrrsetstats(dns_db_t *db);
  *	dns_rdatasetstats_create(); otherwise NULL.
  */
 
+void
+dns_db_rpz_enabled(dns_db_t *db, dns_rpz_st_t *st);
+/*%<
+ * See if a policy database has DNS_RPZ_TYPE_IP, DNS_RPZ_TYPE_NSIP, or
+ * DNS_RPZ_TYPE_NSDNAME records.
+ */
+
+isc_result_t
+dns_db_rpz_findips(dns_rpz_zone_t *rpz, dns_rpz_type_t rpz_type,
+		   dns_zone_t *zone, dns_db_t *db, dns_dbversion_t *version,
+		   dns_rdataset_t *ardataset, dns_rpz_st_t *st);
+/*%<
+ * Search the CDIR block tree of a response policy tree of trees for the best
+ * match to any of the IP addresses in an A or AAAA rdataset.
+ *
+ * Requires:
+ * \li	search in policy zone 'rpz' for a match of 'rpz_type' either
+ *	    DNS_RPZ_TYPE_IP or DNS_RPZ_TYPE_NSIP
+ * \li	'zone' and 'db' are the database corresponding to 'rpz'
+ * \li	'version' is the required version of the database
+ * \li	'ardataset' is an A or AAAA rdataset of addresses to check
+ * \li	'found' specifies the previous best match if any or
+ *	    or NULL, an empty name, 0, DNS_RPZ_POLICY_MISS, and 0
+ */
+
 ISC_LANG_ENDDECLS
 
 #endif /* DNS_DB_H */
diff --git a/lib/dns/include/dns/diff.h b/lib/dns/include/dns/diff.h
index f5e25ee..b6c929f 100644
--- a/lib/dns/include/dns/diff.h
+++ b/lib/dns/include/dns/diff.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: diff.h,v 1.15.120.4 2010-06-04 23:48:25 tbox Exp $ */
+/* $Id: diff.h,v 1.19 2010-06-04 23:51:14 tbox Exp $ */
 
 #ifndef DNS_DIFF_H
 #define DNS_DIFF_H 1
diff --git a/lib/dns/include/dns/dispatch.h b/lib/dns/include/dns/dispatch.h
index 6e2f3e1..3d252a1 100644
--- a/lib/dns/include/dns/dispatch.h
+++ b/lib/dns/include/dns/dispatch.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: dispatch.h,v 1.60.82.2 2009-01-29 23:47:44 tbox Exp $ */
+/* $Id: dispatch.h,v 1.62 2009-01-27 23:47:54 tbox Exp $ */
 
 #ifndef DNS_DISPATCH_H
 #define DNS_DISPATCH_H 1
diff --git a/lib/dns/include/dns/dlz.h b/lib/dns/include/dns/dlz.h
index 28a24a9..e04b1b1 100644
--- a/lib/dns/include/dns/dlz.h
+++ b/lib/dns/include/dns/dlz.h
@@ -1,5 +1,5 @@
 /*
- * Portions Copyright (C) 2005-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (C) 2005-2007, 2009, 2010  Internet Systems Consortium, Inc. ("ISC")
  * Portions Copyright (C) 1999-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -50,7 +50,7 @@
  * USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: dlz.h,v 1.7.332.2 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: dlz.h,v 1.12 2010-12-20 23:47:21 tbox Exp $ */
 
 /*! \file dns/dlz.h */
 
@@ -87,6 +87,7 @@
 #include 
 #include 
 #include 
+#include 
 
 #include 
 
@@ -166,12 +167,37 @@ typedef isc_result_t
  * return a result code indicating the type of error.
  */
 
+
+typedef isc_result_t
+(*dns_dlzconfigure_t)(void *driverarg, void *dbdata, dns_view_t *view);
+/*%<
+ * Method prototype.  Drivers implementing the DLZ interface may
+ * optionally supply a configure method. If supplied, this will be
+ * called immediately after the create method is called. The driver
+ * may call configuration functions during the configure call
+ */
+
+
+typedef isc_boolean_t (*dns_dlzssumatch_t)(dns_name_t *signer,
+					   dns_name_t *name,
+					   isc_netaddr_t *tcpaddr,
+					   dns_rdatatype_t type,
+					   const dst_key_t *key,
+					   void *driverarg, void *dbdata);
+/*%<
+ * Method prototype.  Drivers implementing the DLZ interface may
+ * optionally supply a ssumatch method. If supplied, this will be
+ * called to authorize update requests
+ */
+
 /*% the methods supplied by a DLZ driver */
 typedef struct dns_dlzmethods {
 	dns_dlzcreate_t		create;
 	dns_dlzdestroy_t	destroy;
 	dns_dlzfindzone_t	findzone;
 	dns_dlzallowzonexfr_t	allowzonexfr;
+	dns_dlzconfigure_t	configure;
+	dns_dlzssumatch_t	ssumatch;
 } dns_dlzmethods_t;
 
 /*% information about a DLZ driver */
@@ -183,12 +209,18 @@ struct dns_dlzimplementation {
 	ISC_LINK(dns_dlzimplementation_t)	link;
 };
 
-/*% an instance of a DLZ driver */
+typedef isc_result_t (*dlzconfigure_callback_t)(dns_view_t *, dns_zone_t *);
+
+/*% An instance of a DLZ driver */
 struct dns_dlzdb {
 	unsigned int		magic;
 	isc_mem_t		*mctx;
 	dns_dlzimplementation_t	*implementation;
 	void			*dbdata;
+	dlzconfigure_callback_t configure_callback;
+#ifdef BIND9
+	dns_ssutable_t 		*ssutable;
+#endif
 };
 
 
@@ -285,6 +317,30 @@ dns_dlzunregister(dns_dlzimplementation_t **dlzimp);
  * is called.
  */
 
+
+isc_result_t
+dns_dlz_writeablezone(dns_view_t *view, const char *zone_name);
+
+/*%<
+ * creates a writeable DLZ zone. Must be called from within the
+ * configure() method of a DLZ driver.
+ */
+
+
+isc_result_t
+dns_dlzconfigure(dns_view_t *view, dlzconfigure_callback_t callback);
+/*%<
+ * call a DLZ drivers configure method, if supplied
+ */
+
+isc_boolean_t
+dns_dlz_ssumatch(dns_dlzdb_t *dlzdatabase,
+		  dns_name_t *signer, dns_name_t *name, isc_netaddr_t *tcpaddr,
+		  dns_rdatatype_t type, const dst_key_t *key);
+/*%<
+ * call a DLZ drivers ssumatch method, if supplied. Otherwise return ISC_FALSE
+ */
+
 ISC_LANG_ENDDECLS
 
 #endif /* DLZ_H */
diff --git a/lib/dns/include/dns/dns64.h b/lib/dns/include/dns/dns64.h
new file mode 100644
index 0000000..5fd32e8
--- /dev/null
+++ b/lib/dns/include/dns/dns64.h
@@ -0,0 +1,175 @@
+/*
+ * Copyright (C) 2010  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: dns64.h,v 1.3 2010-12-08 23:51:56 tbox Exp $ */
+
+#ifndef DNS_DNS64_H
+#define DNS_DNS64_H 1
+
+#include 
+
+#include 
+
+ISC_LANG_BEGINDECLS
+
+/*
+ * dns_dns64_create() flags.
+ */
+#define DNS_DNS64_RECURSIVE_ONLY	0x01	/* If set then this record
+						 * only applies to recursive
+						 * queries.
+						 */
+#define DNS_DNS64_BREAK_DNSSEC		0x02	/* If set then still perform
+						 * DNSSEC synthesis even
+						 * though the result would
+						 * fail validation.
+						 */
+
+/*
+ * dns_dns64_aaaaok() and dns_dns64_aaaafroma() flags.
+ */
+#define DNS_DNS64_RECURSIVE		0x01	/* Recursive query. */
+#define DNS_DNS64_DNSSEC		0x02	/* DNSSEC sensitive query. */
+
+isc_result_t
+dns_dns64_create(isc_mem_t *mctx, isc_netaddr_t *prefix,
+		 unsigned int prefixlen, isc_netaddr_t *suffix,
+		 dns_acl_t *client, dns_acl_t *mapped, dns_acl_t *excluded,
+		 unsigned int flags, dns_dns64_t **dns64);
+/*
+ * Create a dns64 record which is used to identify the set of clients
+ * it applies to and how to perform the DNS64 synthesis.
+ *
+ * 'prefix' and 'prefixlen' defined the leading bits of the AAAA records
+ * to be synthesised.  'suffix' defines the bits after the A records bits.
+ * If suffix is NULL zeros will be used for these bits.  'client' defines
+ * for which clients this record applies.  If 'client' is NULL then all
+ * clients apply.  'mapped' defines which A records are candidated for
+ * mapping.  If 'mapped' is NULL then all A records will be mapped.
+ * 'excluded' defines which AAAA are to be treated as non-existent for the
+ * purposed of determining whether to perform syntesis.  If 'excluded' is
+ * NULL then no AAAA records prevent synthesis.
+ *
+ * If DNS_DNS64_RECURSIVE_ONLY is set then the record will only match if
+ * DNS_DNS64_RECURSIVE is set when calling  dns_dns64_aaaaok() and
+ * dns_dns64_aaaafroma().
+ *
+ * If DNS_DNS64_BREAK_DNSSEC is set then the record will still apply if
+ * DNS_DNS64_DNSSEC is set when calling  dns_dns64_aaaaok() and
+ * dns_dns64_aaaafroma() otherwise the record will be ignored.
+ *
+ * Requires:
+ *      'mctx'          to be valid.
+ *      'prefix'        to be valid and the address family to AF_INET6.
+ *      'prefixlen'     to be one of 32, 40, 48, 56, 72 and 96.
+ *                      the bits not covered by prefixlen in prefix to
+ *                      be zero.
+ *      'suffix'        to be NULL or the address family be set to AF_INET6
+ *                      and the leading 'prefixlen' + 32 bits of the 'suffix'
+ *                      to be zero.  If 'prefixlen' is 40, 48 or 56 then the
+ *                      the leading 'prefixlen' + 40 bits of 'suffix' must be
+ *                      zero.
+ *	'client'	to be NULL or a valid acl.
+ *	'mapped'	to be NULL or a valid acl.
+ *	'exculded'	to be NULL or a valid acl.
+ *
+ * Returns:
+ *	ISC_R_SUCCESS
+ *	ISC_R_NOMEMORY
+ */
+
+void
+dns_dns64_destroy(dns_dns64_t **dns64p);
+/*
+ * Destroys a dns64 record.
+ *
+ * Requires the record to not be linked.
+ */
+
+isc_result_t
+dns_dns64_aaaafroma(const dns_dns64_t *dns64, const isc_netaddr_t *reqaddr,
+		    const dns_name_t *reqsigner, const dns_aclenv_t *env,
+		    unsigned int flags, unsigned char *a, unsigned char *aaaa);
+/*
+ * dns_dns64_aaaafroma() determines whether to perform a DNS64 address
+ * synthesis from 'a' based on 'dns64', 'reqaddr', 'reqsigner', 'env',
+ * 'flags' and 'aaaa'.  If synthesis is performed then the result is
+ * written to '*aaaa'.
+ *
+ * The synthesised address will be of the form:
+ *
+ *	 
+ *
+ * If  straddle bits 64-71 of the AAAA record, then 8 zero bits will
+ * be inserted at bits 64-71.
+ *
+ * Requires:
+ *	'dns64'		to be valid.
+ *	'reqaddr'	to be valid.
+ *	'reqsigner'	to be NULL or valid.
+ *	'env'		to be valid.
+ *	'a'		to point to a IPv4 address in network order.
+ *	'aaaa'		to point to a IPv6 address buffer in network order.
+ *
+ * Returns:
+ *	ISC_R_SUCCESS		if synthesis was performed.
+ *	DNS_R_DISALLOWED	if there is no match.
+ */
+
+dns_dns64_t *
+dns_dns64_next(dns_dns64_t *dns64);
+/*
+ * Return the next dns64 record in the list.
+ */
+
+void
+dns_dns64_append(dns_dns64list_t *list, dns_dns64_t *dns64);
+/*
+ * Append the dns64 record to the list.
+ */
+
+void
+dns_dns64_unlink(dns_dns64list_t *list, dns_dns64_t *dns64);
+/*
+ * Unlink the dns64 record from the list.
+ */
+
+isc_boolean_t
+dns_dns64_aaaaok(const dns_dns64_t *dns64, const isc_netaddr_t *reqaddr,
+		 const dns_name_t *reqsigner, const dns_aclenv_t *env,
+		 unsigned int flags, dns_rdataset_t *rdataset,
+		 isc_boolean_t *aaaaok, size_t aaaaoklen);
+/*
+ * Determine if there are any non-excluded AAAA records in from the
+ * matching dns64 records in the list starting at 'dns64'.  If there
+ * is a non-exluded address return ISC_TRUE.  If all addresses are
+ * excluded in the matched records return ISC_FALSE.   If no records
+ * match then return ISC_TRUE.
+ *
+ * If aaaaok is defined then dns_dns64_aaaaok() return a array of which
+ * addresses in 'rdataset' were deemed to not be exclude by any matching
+ * record.  If there are no matching records then all entries are set
+ * to ISC_TRUE.
+ *
+ * Requires
+ * 	'rdataset'	to be valid and to be for type AAAA and class IN.
+ *	'aaaaoklen'	must match the number of records in 'rdataset'
+ *			if 'aaaaok' in non NULL.
+ */
+
+ISC_LANG_ENDDECLS
+
+#endif /* DNS_DNS64_H */
diff --git a/lib/dns/include/dns/dnssec.h b/lib/dns/include/dns/dnssec.h
index 5a1468a..c6d910b 100644
--- a/lib/dns/include/dns/dnssec.h
+++ b/lib/dns/include/dns/dnssec.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2009, 2010  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: dnssec.h,v 1.32.332.6 2009-06-22 23:47:18 tbox Exp $ */
+/* $Id: dnssec.h,v 1.42 2010-01-09 23:48:45 tbox Exp $ */
 
 #ifndef DNS_DNSSEC_H
 #define DNS_DNSSEC_H 1
@@ -25,12 +25,48 @@
 #include 
 #include 
 
+#include 
 #include 
 
 #include 
 
 ISC_LANG_BEGINDECLS
 
+/*
+ * Indicates how the signer found this key: in the key repository, at the
+ * zone apex, or specified by the user.
+ */
+typedef enum {
+	dns_keysource_unknown,
+	dns_keysource_repository,
+	dns_keysource_zoneapex,
+	dns_keysource_user
+} dns_keysource_t;
+
+/*
+ * A DNSSEC key and hints about its intended use gleaned from metadata
+ */
+struct dns_dnsseckey {
+	dst_key_t *key;
+	isc_boolean_t hint_publish;  /*% metadata says to publish */
+	isc_boolean_t force_publish; /*% publish regardless of metadata */
+	isc_boolean_t hint_sign;     /*% metadata says to sign with this key */
+	isc_boolean_t force_sign;    /*% sign with key regardless of metadata */
+	isc_boolean_t hint_remove;   /*% metadata says *don't* publish */
+	isc_boolean_t is_active;     /*% key is already active */
+	isc_boolean_t first_sign;    /*% key is newly becoming active */
+	unsigned int prepublish;     /*% how long until active? */
+	dns_keysource_t source;      /*% how the key was found */
+	isc_boolean_t ksk;           /*% this is a key-signing key */
+	isc_boolean_t legacy;        /*% this is old-style key with no
+					 metadata (possibly generated by
+					 an older version of BIND9) and
+					 should be ignored when searching
+					 for keys to import into the zone */
+	unsigned int index;          /*% position in list */
+	ISC_LINK(dns_dnsseckey_t) link;
+};
+
 isc_result_t
 dns_dnssec_keyfromrdata(dns_name_t *name, dns_rdata_t *rdata, isc_mem_t *mctx,
 			dst_key_t **key);
@@ -184,6 +220,103 @@ dns_dnssec_selfsigns(dns_rdata_t *rdata, dns_name_t *name,
 		     isc_boolean_t ignoretime, isc_mem_t *mctx);
 
 
+isc_result_t
+dns_dnsseckey_create(isc_mem_t *mctx, dst_key_t **dstkey,
+		     dns_dnsseckey_t **dkp);
+/*%<
+ * Create and initialize a dns_dnsseckey_t structure.
+ *
+ *	Requires:
+ *\li		'dkp' is not NULL and '*dkp' is NULL.
+ *
+ *	Returns:
+ *\li		#ISC_R_SUCCESS
+ *\li		#ISC_R_NOMEMORY
+ */
+
+void
+dns_dnsseckey_destroy(isc_mem_t *mctx, dns_dnsseckey_t **dkp);
+/*%<
+ * Reclaim a dns_dnsseckey_t structure.
+ *
+ *	Requires:
+ *\li		'dkp' is not NULL and '*dkp' is not NULL.
+ *
+ *	Ensures:
+ *\li		'*dkp' is NULL.
+ */
+
+isc_result_t
+dns_dnssec_findmatchingkeys(dns_name_t *origin, const char *directory,
+			    isc_mem_t *mctx, dns_dnsseckeylist_t *keylist);
+/*%<
+ * Search 'directory' for K* key files matching the name in 'origin'.
+ * Append all such keys, along with use hints gleaned from their
+ * metadata, onto 'keylist'.
+ *
+ *	Requires:
+ *\li		'keylist' is not NULL
+ *
+ *	Returns:
+ *\li		#ISC_R_SUCCESS
+ *\li		#ISC_R_NOTFOUND
+ *\li		#ISC_R_NOMEMORY
+ *\li		any error returned by dns_name_totext(), isc_dir_open(), or
+ *              dst_key_fromnamedfile()
+ *
+ *	Ensures:
+ *\li		On error, keylist is unchanged
+ */
+
+isc_result_t
+dns_dnssec_keylistfromrdataset(dns_name_t *origin,
+			       const char *directory, isc_mem_t *mctx,
+			       dns_rdataset_t *keyset, dns_rdataset_t *keysigs,
+			       dns_rdataset_t *soasigs, isc_boolean_t savekeys,
+			       isc_boolean_t public,
+			       dns_dnsseckeylist_t *keylist);
+/*%<
+ * Append the contents of a DNSKEY rdataset 'keyset' to 'keylist'.
+ * Omit duplicates.  If 'public' is ISC_FALSE, search 'directory' for
+ * matching key files, and load the private keys that go with
+ * the public ones.  If 'savekeys' is ISC_TRUE, mark the keys so
+ * they will not be deleted or inactivated regardless of metadata.
+ *
+ * 'keysigs' and 'soasigs', if not NULL and associated, contain the
+ * RRSIGS for the DNSKEY and SOA records respectively and are used to mark
+ * whether a key is already active in the zone.
+ */
+
+isc_result_t
+dns_dnssec_updatekeys(dns_dnsseckeylist_t *keys, dns_dnsseckeylist_t *newkeys,
+		      dns_dnsseckeylist_t *removed, dns_name_t *origin,
+		      dns_ttl_t ttl, dns_diff_t *diff, isc_boolean_t allzsk,
+		      isc_mem_t *mctx, void (*report)(const char *, ...));
+/*%<
+ * Update the list of keys in 'keys' with new key information in 'newkeys'.
+ *
+ * For each key in 'newkeys', see if it has a match in 'keys'.
+ * - If not, and if the metadata says the key should be published:
+ *   add it to 'keys', and place a dns_difftuple into 'diff' so
+ *   the key can be added to the DNSKEY set.  If the metadata says it
+ *   should be active, set the first_sign flag.
+ * - If so, and if the metadata says it should be removed:
+ *   remove it from 'keys', and place a dns_difftuple into 'diff' so
+ *   the key can be removed from the DNSKEY set.  if 'removed' is non-NULL,
+ *   copy the key into that list; otherwise destroy it.
+ * - Otherwise, make sure keys has current metadata.
+ *
+ * If 'allzsk' is true, we are allowing KSK-flagged keys to be used as
+ * ZSKs.
+ *
+ * 'ttl' is the TTL of the DNSKEY RRset; if it is longer than the
+ * time until a new key will be activated, then we have to delay the
+ * key's activation.
+ *
+ * 'report' points to a function for reporting status.
+ *
+ * On completion, any remaining keys in 'newkeys' are freed.
+ */
 ISC_LANG_ENDDECLS
 
 #endif /* DNS_DNSSEC_H */
diff --git a/lib/dns/include/dns/ds.h b/lib/dns/include/dns/ds.h
index 77a2cb8..04e4bab 100644
--- a/lib/dns/include/dns/ds.h
+++ b/lib/dns/include/dns/ds.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2010  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: ds.h,v 1.10 2007-06-19 23:47:16 tbox Exp $ */
+/* $Id: ds.h,v 1.12 2010-12-23 23:47:08 tbox Exp $ */
 
 #ifndef DNS_DS_H
 #define DNS_DS_H 1
@@ -26,6 +26,11 @@
 
 #define DNS_DSDIGEST_SHA1 (1)
 #define DNS_DSDIGEST_SHA256 (2)
+#define DNS_DSDIGEST_GOST (3)
+
+/* should not be here... */
+
+#define ISC_GOST_DIGESTLENGTH 32U
 
 /*
  * Assuming SHA-256 digest type.
diff --git a/lib/dns/include/dns/ecdb.h b/lib/dns/include/dns/ecdb.h
new file mode 100644
index 0000000..be71a52
--- /dev/null
+++ b/lib/dns/include/dns/ecdb.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: ecdb.h,v 1.3 2009-09-02 23:48:02 tbox Exp $ */
+
+#ifndef DNS_ECDB_H
+#define DNS_ECDB_H 1
+
+/*****
+ ***** Module Info
+ *****/
+
+/* TBD */
+
+/***
+ *** Imports
+ ***/
+
+#include 
+
+/***
+ *** Types
+ ***/
+
+/***
+ *** Functions
+ ***/
+
+/* TBD: describe those */
+
+isc_result_t
+dns_ecdb_register(isc_mem_t *mctx, dns_dbimplementation_t **dbimp);
+
+void
+dns_ecdb_unregister(dns_dbimplementation_t **dbimp);
+
+ISC_LANG_ENDDECLS
+
+#endif /* DNS_ECDB_H */
diff --git a/lib/dns/include/dns/events.h b/lib/dns/include/dns/events.h
index 689566b..d985833 100644
--- a/lib/dns/include/dns/events.h
+++ b/lib/dns/include/dns/events.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: events.h,v 1.49.332.4 2010-05-10 23:48:14 tbox Exp $ */
+/* $Id: events.h,v 1.56 2010-12-21 03:11:42 marka Exp $ */
 
 #ifndef DNS_EVENTS_H
 #define DNS_EVENTS_H 1
@@ -69,6 +69,11 @@
 #define DNS_EVENT_ACACHECLEAN			(ISC_EVENTCLASS_DNS + 39)
 #define DNS_EVENT_ACACHEOVERMEM			(ISC_EVENTCLASS_DNS + 40)
 #define DNS_EVENT_RBTPRUNE			(ISC_EVENTCLASS_DNS + 41)
+#define DNS_EVENT_MANAGEKEYS			(ISC_EVENTCLASS_DNS + 42)
+#define DNS_EVENT_CLIENTRESDONE			(ISC_EVENTCLASS_DNS + 43)
+#define DNS_EVENT_CLIENTREQDONE			(ISC_EVENTCLASS_DNS + 44)
+#define DNS_EVENT_ADBGROWENTRIES		(ISC_EVENTCLASS_DNS + 45)
+#define DNS_EVENT_ADBGROWNAMES			(ISC_EVENTCLASS_DNS + 46)
 
 #define DNS_EVENT_FIRSTEVENT			(ISC_EVENTCLASS_DNS + 0)
 #define DNS_EVENT_LASTEVENT			(ISC_EVENTCLASS_DNS + 65535)
diff --git a/lib/dns/include/dns/forward.h b/lib/dns/include/dns/forward.h
index 5fbe898..683969d 100644
--- a/lib/dns/include/dns/forward.h
+++ b/lib/dns/include/dns/forward.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: forward.h,v 1.11 2007-06-19 23:47:16 tbox Exp $ */
+/* $Id: forward.h,v 1.13 2009-09-02 23:48:02 tbox Exp $ */
 
 #ifndef DNS_FORWARD_H
 #define DNS_FORWARD_H 1
@@ -67,6 +67,21 @@ dns_fwdtable_add(dns_fwdtable_t *fwdtable, dns_name_t *name,
  */
 
 isc_result_t
+dns_fwdtable_delete(dns_fwdtable_t *fwdtable, dns_name_t *name);
+/*%<
+ * Removes an entry for 'name' from the forwarding table.  If an entry
+ * that exactly matches 'name' does not exist, ISC_R_NOTFOUND will be returned.
+ *
+ * Requires:
+ * \li	fwdtable is a valid forwarding table.
+ * \li	name is a valid name
+ *
+ * Returns:
+ * \li	#ISC_R_SUCCESS
+ * \li	#ISC_R_NOTFOUND
+ */
+
+isc_result_t
 dns_fwdtable_find(dns_fwdtable_t *fwdtable, dns_name_t *name,
 		  dns_forwarders_t **forwardersp);
 /*%<
diff --git a/lib/dns/include/dns/journal.h b/lib/dns/include/dns/journal.h
index 9e56c19..28a7dbe 100644
--- a/lib/dns/include/dns/journal.h
+++ b/lib/dns/include/dns/journal.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: journal.h,v 1.33.120.4 2009-11-04 23:47:25 tbox Exp $ */
+/* $Id: journal.h,v 1.37 2009-11-04 23:48:18 tbox Exp $ */
 
 #ifndef DNS_JOURNAL_H
 #define DNS_JOURNAL_H 1
diff --git a/lib/dns/include/dns/keydata.h b/lib/dns/include/dns/keydata.h
new file mode 100644
index 0000000..36bf590
--- /dev/null
+++ b/lib/dns/include/dns/keydata.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: keydata.h,v 1.2 2009-06-30 02:52:32 each Exp $ */
+
+#ifndef DNS_KEYDATA_H
+#define DNS_KEYDATA_H 1
+
+/*****
+ ***** Module Info
+ *****/
+
+/*! \file dns/keydata.h
+ * \brief
+ * KEYDATA utilities.
+ */
+
+/***
+ *** Imports
+ ***/
+
+#include 
+#include 
+
+#include 
+#include 
+
+ISC_LANG_BEGINDECLS
+
+isc_result_t
+dns_keydata_todnskey(dns_rdata_keydata_t *keydata,
+		     dns_rdata_dnskey_t *dnskey, isc_mem_t *mctx);
+
+isc_result_t
+dns_keydata_fromdnskey(dns_rdata_keydata_t *keydata,
+		       dns_rdata_dnskey_t *dnskey,
+		       isc_uint32_t refresh, isc_uint32_t addhd,
+		       isc_uint32_t removehd, isc_mem_t *mctx);
+
+ISC_LANG_ENDDECLS
+
+#endif /* DNS_KEYDATA_H */
diff --git a/lib/dns/include/dns/keytable.h b/lib/dns/include/dns/keytable.h
index 40c4b16..a53ec08 100644
--- a/lib/dns/include/dns/keytable.h
+++ b/lib/dns/include/dns/keytable.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009, 2010  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: keytable.h,v 1.16 2007-06-19 23:47:16 tbox Exp $ */
+/* $Id: keytable.h,v 1.23 2010-06-25 03:24:05 marka Exp $ */
 
 #ifndef DNS_KEYTABLE_H
 #define DNS_KEYTABLE_H 1
@@ -42,6 +42,10 @@
  */
 
 #include 
+#include 
+#include 
+#include 
+#include 
 
 #include 
 
@@ -49,6 +53,33 @@
 
 ISC_LANG_BEGINDECLS
 
+struct dns_keytable {
+	/* Unlocked. */
+	unsigned int		magic;
+	isc_mem_t		*mctx;
+	isc_mutex_t		lock;
+	isc_rwlock_t		rwlock;
+	/* Locked by lock. */
+	isc_uint32_t		active_nodes;
+	/* Locked by rwlock. */
+	isc_uint32_t		references;
+	dns_rbt_t		*table;
+};
+
+#define KEYTABLE_MAGIC			ISC_MAGIC('K', 'T', 'b', 'l')
+#define VALID_KEYTABLE(kt)	 	ISC_MAGIC_VALID(kt, KEYTABLE_MAGIC)
+
+struct dns_keynode {
+	unsigned int		magic;
+	isc_refcount_t		refcount;
+	dst_key_t *		key;
+	isc_boolean_t           managed;
+	struct dns_keynode *	next;
+};
+
+#define KEYNODE_MAGIC			ISC_MAGIC('K', 'N', 'o', 'd')
+#define VALID_KEYNODE(kn)	 	ISC_MAGIC_VALID(kn, KEYNODE_MAGIC)
+
 isc_result_t
 dns_keytable_create(isc_mem_t *mctx, dns_keytable_t **keytablep);
 /*%<
@@ -106,16 +137,22 @@ dns_keytable_detach(dns_keytable_t **keytablep);
  */
 
 isc_result_t
-dns_keytable_add(dns_keytable_t *keytable, dst_key_t **keyp);
+dns_keytable_add(dns_keytable_t *keytable, isc_boolean_t managed,
+		 dst_key_t **keyp);
 /*%<
- * Add '*keyp' to 'keytable'.
+ * Add '*keyp' to 'keytable' (using the name in '*keyp').
+ * The value of keynode->managed is set to 'managed'
  *
  * Notes:
  *
  *\li	Ownership of *keyp is transferred to the keytable.
+ *\li   If the key already exists in the table, ISC_R_EXISTS is
+ *      returned and the new key is freed.
  *
  * Requires:
  *
+ *\li	'keytable' points to a valid keytable.
+ *
  *\li	keyp != NULL && *keyp is a valid dst_key_t *.
  *
  * Ensures:
@@ -125,11 +162,124 @@ dns_keytable_add(dns_keytable_t *keytable, dst_key_t **keyp);
  * Returns:
  *
  *\li	ISC_R_SUCCESS
+ *\li	ISC_R_EXISTS
+ *
+ *\li	Any other result indicates failure.
+ */
+
+isc_result_t
+dns_keytable_marksecure(dns_keytable_t *keytable, dns_name_t *name);
+/*%<
+ * Add a null key to 'keytable' for name 'name'.  This marks the
+ * name as a secure domain, but doesn't supply any key data to allow the
+ * domain to be validated.  (Used when automated trust anchor management
+ * has gotten broken by a zone misconfiguration; for example, when the
+ * active key has been revoked but the stand-by key was still in its 30-day
+ * waiting period for validity.)
+ *
+ * Notes:
+ *
+ *\li   If a key already exists in the table, ISC_R_EXISTS is
+ *      returned and nothing is done.
+ *
+ * Requires:
+ *
+ *\li	'keytable' points to a valid keytable.
+ *
+ *\li	keyp != NULL && *keyp is a valid dst_key_t *.
+ *
+ * Returns:
+ *
+ *\li	ISC_R_SUCCESS
+ *\li	ISC_R_EXISTS
+ *
+ *\li	Any other result indicates failure.
+ */
+
+isc_result_t
+dns_keytable_delete(dns_keytable_t *keytable, dns_name_t *keyname);
+/*%<
+ * Delete node(s) from 'keytable' matching name 'keyname'
+ *
+ * Requires:
+ *
+ *\li	'keytable' points to a valid keytable.
+ *
+ *\li	'name' is not NULL
+ *
+ * Returns:
+ *
+ *\li	ISC_R_SUCCESS
+ *
+ *\li	Any other result indicates failure.
+ */
+
+isc_result_t
+dns_keytable_deletekeynode(dns_keytable_t *keytable, dst_key_t *dstkey);
+/*%<
+ * Delete node(s) from 'keytable' containing copies of the key pointed
+ * to by 'dstkey'
+ *
+ * Requires:
+ *
+ *\li	'keytable' points to a valid keytable.
+ *\li	'dstkey' is not NULL
+ *
+ * Returns:
+ *
+ *\li	ISC_R_SUCCESS
  *
  *\li	Any other result indicates failure.
  */
 
 isc_result_t
+dns_keytable_find(dns_keytable_t *keytable, dns_name_t *keyname,
+		  dns_keynode_t **keynodep);
+/*%<
+ * Search for the first instance of a key named 'name' in 'keytable',
+ * without regard to keyid and algorithm.  Use dns_keytable_nextkeynode()
+ * to find subsequent instances.
+ *
+ * Requires:
+ *
+ *\li	'keytable' is a valid keytable.
+ *
+ *\li	'name' is a valid absolute name.
+ *
+ *\li	keynodep != NULL && *keynodep == NULL
+ *
+ * Returns:
+ *
+ *\li	ISC_R_SUCCESS
+ *\li	ISC_R_NOTFOUND
+ *
+ *\li	Any other result indicates an error.
+ */
+
+isc_result_t
+dns_keytable_nextkeynode(dns_keytable_t *keytable, dns_keynode_t *keynode,
+			 dns_keynode_t **nextnodep);
+/*%<
+ * Return for the next key after 'keynode' in 'keytable', without regard to
+ * keyid and algorithm.
+ *
+ * Requires:
+ *
+ *\li	'keytable' is a valid keytable.
+ *
+ *\li	'keynode' is a valid keynode.
+ *
+ *\li	nextnodep != NULL && *nextnodep == NULL
+ *
+ * Returns:
+ *
+ *\li	ISC_R_SUCCESS
+ *\li	ISC_R_NOTFOUND
+ *
+ *\li	Any other result indicates an error.
+ */
+
+isc_result_t
 dns_keytable_findkeynode(dns_keytable_t *keytable, dns_name_t *name,
 			 dns_secalg_t algorithm, dns_keytag_t tag,
 			 dns_keynode_t **keynodep);
@@ -157,7 +307,7 @@ dns_keytable_findkeynode(dns_keytable_t *keytable, dns_name_t *name,
 
 isc_result_t
 dns_keytable_findnextkeynode(dns_keytable_t *keytable, dns_keynode_t *keynode,
-		                             dns_keynode_t **nextnodep);
+					     dns_keynode_t **nextnodep);
 /*%<
  * Search for the next key with the same properties as 'keynode' in
  * 'keytable' as found by dns_keytable_findkeynode().
@@ -201,6 +351,22 @@ dns_keytable_finddeepestmatch(dns_keytable_t *keytable, dns_name_t *name,
  */
 
 void
+dns_keytable_attachkeynode(dns_keytable_t *keytable, dns_keynode_t *source,
+			   dns_keynode_t **target);
+/*%<
+ * Attach a keynode and and increment the active_nodes counter in a
+ * corresponding keytable.
+ *
+ * Requires:
+ *
+ *\li	'keytable' is a valid keytable.
+ *
+ *\li	'source' is a valid keynode.
+ *
+ *\li	'target' is not null and '*target' is null.
+ */
+
+void
 dns_keytable_detachkeynode(dns_keytable_t *keytable,
 			   dns_keynode_t **keynodep);
 /*%<
@@ -244,12 +410,48 @@ dns_keytable_issecuredomain(dns_keytable_t *keytable, dns_name_t *name,
  *\li	Any other result is an error.
  */
 
+isc_result_t
+dns_keytable_dump(dns_keytable_t *keytable, FILE *fp);
+/*%<
+ * Dump the keytable on fp.
+ */
+
 dst_key_t *
 dns_keynode_key(dns_keynode_t *keynode);
 /*%<
  * Get the DST key associated with keynode.
  */
 
+isc_boolean_t
+dns_keynode_managed(dns_keynode_t *keynode);
+/*%<
+ * Is this flagged as a managed key?
+ */
+
+isc_result_t
+dns_keynode_create(isc_mem_t *mctx, dns_keynode_t **target);
+/*%<
+ * Allocate space for a keynode
+ */
+
+void
+dns_keynode_attach(dns_keynode_t *source, dns_keynode_t **target);
+/*%<
+ * Attach keynode 'source' to '*target'
+ */
+
+void
+dns_keynode_detach(isc_mem_t *mctx, dns_keynode_t **target);
+/*%<
+ * Detach a single keynode, without touching any keynodes that
+ * may be pointed to by its 'next' pointer
+ */
+
+void
+dns_keynode_detachall(isc_mem_t *mctx, dns_keynode_t **target);
+/*%<
+ * Detach a keynode and all its succesors.
+ */
 ISC_LANG_ENDDECLS
 
 #endif /* DNS_KEYTABLE_H */
diff --git a/lib/dns/include/dns/keyvalues.h b/lib/dns/include/dns/keyvalues.h
index 70ca3fa..2107657 100644
--- a/lib/dns/include/dns/keyvalues.h
+++ b/lib/dns/include/dns/keyvalues.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: keyvalues.h,v 1.23.48.4 2010-01-15 23:47:33 tbox Exp $ */
+/* $Id: keyvalues.h,v 1.29 2010-12-23 23:47:08 tbox Exp $ */
 
 #ifndef DNS_KEYVALUES_H
 #define DNS_KEYVALUES_H 1
@@ -42,7 +42,7 @@
 #define DNS_KEYOWNER_ENTITY	0x0200	/*%< key is assoc. with entity eg host */
 #define DNS_KEYOWNER_ZONE	0x0100	/*%< key is zone key */
 #define DNS_KEYOWNER_RESERVED	0x0300	/*%< reserved meaning */
-#define DNS_KEYFLAG_REVOKE	0x0080	/*%< key revoked (per rfc5001) */
+#define DNS_KEYFLAG_REVOKE	0x0080	/*%< key revoked (per rfc5011) */
 #define DNS_KEYFLAG_RESERVED9	0x0040	/*%< reserved - must be zero */
 #define DNS_KEYFLAG_RESERVED10	0x0020	/*%< reserved - must be zero */
 #define DNS_KEYFLAG_RESERVED11	0x0010	/*%< reserved - must be zero */
@@ -51,7 +51,6 @@
 #define DNS_KEYFLAG_RESERVEDMASK (DNS_KEYFLAG_RESERVED2 | \
 				  DNS_KEYFLAG_RESERVED4 | \
 				  DNS_KEYFLAG_RESERVED5 | \
-				  DNS_KEYFLAG_RESERVED8 | \
 				  DNS_KEYFLAG_RESERVED9 | \
 				  DNS_KEYFLAG_RESERVED10 | \
 				  DNS_KEYFLAG_RESERVED11 )
@@ -71,6 +70,7 @@
 #define DNS_KEYALG_NSEC3RSASHA1	7
 #define DNS_KEYALG_RSASHA256	8
 #define DNS_KEYALG_RSASHA512	10
+#define DNS_KEYALG_ECCGOST	12
 #define DNS_KEYALG_INDIRECT	252
 #define DNS_KEYALG_PRIVATEDNS	253
 #define DNS_KEYALG_PRIVATEOID	254     /*%< Key begins with OID giving alg */
@@ -99,4 +99,6 @@
 #define DNS_SIG_DSAMINBYTES	213
 #define DNS_SIG_DSAMAXBYTES	405
 
+#define DNS_SIG_GOSTSIGSIZE	64
+
 #endif /* DNS_KEYVALUES_H */
diff --git a/lib/dns/include/dns/lib.h b/lib/dns/include/dns/lib.h
index 361ef8f..70874b7 100644
--- a/lib/dns/include/dns/lib.h
+++ b/lib/dns/include/dns/lib.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: lib.h,v 1.16 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: lib.h,v 1.18 2009-09-02 23:48:02 tbox Exp $ */
 
 #ifndef DNS_LIB_H
 #define DNS_LIB_H 1
@@ -40,6 +40,20 @@ dns_lib_initmsgcat(void);
  * has not already been initialized.
  */
 
+isc_result_t
+dns_lib_init(void);
+/*%<
+ * A set of initialization procedure used in the DNS library.  This function
+ * is provided for an application that is not aware of the underlying ISC or
+ * DNS libraries much.
+ */
+
+void
+dns_lib_shutdown(void);
+/*%<
+ * Free temporary resources allocated in dns_lib_init().
+ */
+
 ISC_LANG_ENDDECLS
 
 #endif /* DNS_LIB_H */
diff --git a/lib/dns/include/dns/log.h b/lib/dns/include/dns/log.h
index 4b648ff..a5650ed 100644
--- a/lib/dns/include/dns/log.h
+++ b/lib/dns/include/dns/log.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: log.h,v 1.42.332.2 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: log.h,v 1.45 2009-12-18 22:16:49 each Exp $ */
 
 /*! \file dns/log.h
  * \author  Principal Authors: DCL */
@@ -73,6 +73,7 @@ LIBDNS_EXTERNAL_DATA extern isc_logmodule_t dns_modules[];
 #define DNS_LOGMODULE_HINTS		(&dns_modules[24])
 #define DNS_LOGMODULE_ACACHE		(&dns_modules[25])
 #define DNS_LOGMODULE_DLZ		(&dns_modules[26])
+#define DNS_LOGMODULE_DNSSEC		(&dns_modules[27])
 
 ISC_LANG_BEGINDECLS
 
diff --git a/lib/dns/include/dns/lookup.h b/lib/dns/include/dns/lookup.h
index 81bb9b9..7e6a566 100644
--- a/lib/dns/include/dns/lookup.h
+++ b/lib/dns/include/dns/lookup.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: lookup.h,v 1.12.332.2 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: lookup.h,v 1.14 2009-01-17 23:47:43 tbox Exp $ */
 
 #ifndef DNS_LOOKUP_H
 #define DNS_LOOKUP_H 1
diff --git a/lib/dns/include/dns/master.h b/lib/dns/include/dns/master.h
index 3f3a4de..2ee6374 100644
--- a/lib/dns/include/dns/master.h
+++ b/lib/dns/include/dns/master.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: master.h,v 1.51 2008-04-02 02:37:42 marka Exp $ */
+/* $Id: master.h,v 1.53 2009-07-01 23:47:36 tbox Exp $ */
 
 #ifndef DNS_MASTER_H
 #define DNS_MASTER_H 1
@@ -56,6 +56,7 @@
 #define DNS_MASTER_CHECKMXFAIL	0x00001000
 
 #define DNS_MASTER_RESIGN	0x00002000
+#define DNS_MASTER_KEY	 	0x00004000	/*%< Loading a key zone master file. */
 
 ISC_LANG_BEGINDECLS
 
diff --git a/lib/dns/include/dns/masterdump.h b/lib/dns/include/dns/masterdump.h
index 96a198d..684dd82 100644
--- a/lib/dns/include/dns/masterdump.h
+++ b/lib/dns/include/dns/masterdump.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: masterdump.h,v 1.42.602.2 2011-06-02 23:46:22 tbox Exp $ */
+/* $Id: masterdump.h,v 1.42.596.2 2011-06-02 23:47:35 tbox Exp $ */
 
 #ifndef DNS_MASTERDUMP_H
 #define DNS_MASTERDUMP_H 1
diff --git a/lib/dns/include/dns/message.h b/lib/dns/include/dns/message.h
index 98fb321..438de1e 100644
--- a/lib/dns/include/dns/message.h
+++ b/lib/dns/include/dns/message.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2010  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: message.h,v 1.125.118.2 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: message.h,v 1.132 2010-03-04 23:50:34 tbox Exp $ */
 
 #ifndef DNS_MESSAGE_H
 #define DNS_MESSAGE_H 1
@@ -81,8 +81,7 @@
  *	name = NULL;
  *	name = dns_message_gettempname(message, &name);
  *	dns_name_init(name, NULL);
- *	result = dns_name_fromtext(name, &source, dns_rootname, ISC_FALSE,
- *				   buffer);
+ *	result = dns_name_fromtext(name, &source, dns_rootname, 0, buffer);
  *	dns_message_takebuffer(message, &buffer);
  * \endcode
  *
@@ -137,6 +136,8 @@ typedef int dns_pseudosection_t;
 typedef int dns_messagetextflag_t;
 #define DNS_MESSAGETEXTFLAG_NOCOMMENTS	0x0001
 #define DNS_MESSAGETEXTFLAG_NOHEADERS	0x0002
+#define DNS_MESSAGETEXTFLAG_ONESOA	0x0004
+#define DNS_MESSAGETEXTFLAG_OMITSOA	0x0008
 
 /*
  * Dynamic update names for these sections.
@@ -174,6 +175,9 @@ typedef int dns_messagetextflag_t;
 						      additional section. */
 #define DNS_MESSAGERENDER_PREFER_AAAA	0x0010	/*%< prefer AAAA records in
 						  additional section. */
+#ifdef ALLOW_FILTER_AAAA_ON_V4
+#define DNS_MESSAGERENDER_FILTER_AAAA	0x0020	/*%< filter AAAA records */
+#endif
 
 typedef struct dns_msgblock dns_msgblock_t;
 
@@ -369,6 +373,14 @@ dns_message_totext(dns_message_t *msg, const dns_master_style_t *style,
  *      #DNS_MESSAGETEXTFLAG_NOHEADERS is cleared, header lines will
  *      be emitted.
  *
+ *	If #DNS_MESSAGETEXTFLAG_ONESOA is set then only print the
+ *	first SOA record in the answer section.  If
+ *	#DNS_MESSAGETEXTFLAG_OMITSOA is set don't print any SOA records
+ *	in the answer section.  These are useful for suppressing the
+ *	display of the second SOA record in a AXFR by setting
+ *	#DNS_MESSAGETEXTFLAG_ONESOA on the first message in a AXFR stream
+ *	and #DNS_MESSAGETEXTFLAG_OMITSOA on subsequent messages.
+ *
  * Requires:
  *
  *\li	'msg' is a valid message.
diff --git a/lib/dns/include/dns/name.h b/lib/dns/include/dns/name.h
index 801c9ac..c13a85d 100644
--- a/lib/dns/include/dns/name.h
+++ b/lib/dns/include/dns/name.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007, 2009, 2010  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2009-2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: name.h,v 1.126.332.5 2010-07-09 23:45:55 tbox Exp $ */
+/* $Id: name.h,v 1.137 2011-01-13 04:59:26 tbox Exp $ */
 
 #ifndef DNS_NAME_H
 #define DNS_NAME_H 1
@@ -121,21 +121,27 @@ struct dns_name {
 
 #define DNS_NAME_MAGIC			ISC_MAGIC('D','N','S','n')
 
-#define DNS_NAMEATTR_ABSOLUTE		0x0001
-#define DNS_NAMEATTR_READONLY		0x0002
-#define DNS_NAMEATTR_DYNAMIC		0x0004
-#define DNS_NAMEATTR_DYNOFFSETS		0x0008
-#define DNS_NAMEATTR_NOCOMPRESS		0x0010
+#define DNS_NAMEATTR_ABSOLUTE		0x00000001
+#define DNS_NAMEATTR_READONLY		0x00000002
+#define DNS_NAMEATTR_DYNAMIC		0x00000004
+#define DNS_NAMEATTR_DYNOFFSETS		0x00000008
+#define DNS_NAMEATTR_NOCOMPRESS		0x00000010
 /*
  * Attributes below 0x0100 reserved for name.c usage.
  */
-#define DNS_NAMEATTR_CACHE		0x0100		/*%< Used by resolver. */
-#define DNS_NAMEATTR_ANSWER		0x0200		/*%< Used by resolver. */
-#define DNS_NAMEATTR_NCACHE		0x0400		/*%< Used by resolver. */
-#define DNS_NAMEATTR_CHAINING		0x0800		/*%< Used by resolver. */
-#define DNS_NAMEATTR_CHASE		0x1000		/*%< Used by resolver. */
-#define DNS_NAMEATTR_WILDCARD		0x2000		/*%< Used by server. */
+#define DNS_NAMEATTR_CACHE		0x00000100	/*%< Used by resolver. */
+#define DNS_NAMEATTR_ANSWER		0x00000200	/*%< Used by resolver. */
+#define DNS_NAMEATTR_NCACHE		0x00000400	/*%< Used by resolver. */
+#define DNS_NAMEATTR_CHAINING		0x00000800	/*%< Used by resolver. */
+#define DNS_NAMEATTR_CHASE		0x00001000	/*%< Used by resolver. */
+#define DNS_NAMEATTR_WILDCARD		0x00002000	/*%< Used by server. */
+#define DNS_NAMEATTR_PREREQUISITE	0x00004000	/*%< Used by client. */
+#define DNS_NAMEATTR_UPDATE		0x00008000	/*%< Used by client. */
+#define DNS_NAMEATTR_HASUPDATEREC	0x00010000	/*%< Used by client. */
 
+/*
+ * Various flags.
+ */
 #define DNS_NAME_DOWNCASE		0x0001
 #define DNS_NAME_CHECKNAMES		0x0002		/*%< Used by rdata. */
 #define DNS_NAME_CHECKNAMESFAIL		0x0004		/*%< Used by rdata. */
@@ -750,7 +756,7 @@ dns_name_towire(const dns_name_t *name, dns_compress_t *cctx,
 
 isc_result_t
 dns_name_fromtext(dns_name_t *name, isc_buffer_t *source,
-		  dns_name_t *origin, unsigned int options,
+		  const dns_name_t *origin, unsigned int options,
 		  isc_buffer_t *target);
 /*%<
  * Convert the textual representation of a DNS name at source
@@ -1139,6 +1145,56 @@ dns_name_format(dns_name_t *name, char *cp, unsigned int size);
  */
 
 isc_result_t
+dns_name_tostring(dns_name_t *source, char **target, isc_mem_t *mctx);
+/*%<
+ * Convert 'name' to string format, allocating sufficient memory to
+ * hold it (free with isc_mem_free()).
+ *
+ * Differs from dns_name_format in that it allocates its own memory.
+ *
+ * Requires:
+ *
+ *\li	'name' is a valid name.
+ *\li	'target' is not NULL.
+ *\li	'*target' is NULL.
+ *
+ * Returns:
+ *
+ *\li	ISC_R_SUCCESS
+ *
+ *\li	Any error that dns_name_totext() can return.
+ */
+
+isc_result_t
+dns_name_fromstring(dns_name_t *target, const char *src, unsigned int options,
+		    isc_mem_t *mctx);
+isc_result_t
+dns_name_fromstring2(dns_name_t *target, const char *src,
+		     const dns_name_t *origin, unsigned int options,
+		     isc_mem_t *mctx);
+/*%<
+ * Convert a string to a name and place it in target, allocating memory
+ * as necessary.  'options' has the same semantics as that of
+ * dns_name_fromtext().
+ *
+ * If 'target' has a buffer then the name will be copied into it rather than
+ * memory being allocated.
+ *
+ * Requires:
+ *
+ * \li	'target' is a valid name that is not read-only.
+ * \li	'src' is not NULL.
+ *
+ * Returns:
+ *
+ *\li	#ISC_R_SUCCESS
+ *
+ *\li	Any error that dns_name_fromtext() can return.
+ *
+ *\li	Any error that dns_name_dup() can return.
+ */
+
+isc_result_t
 dns_name_settotextfilter(dns_name_totextfilter_t proc);
 /*%<
  * Set / clear a thread specific function 'proc' to be called at the
diff --git a/lib/dns/include/dns/ncache.h b/lib/dns/include/dns/ncache.h
index 0c1d950..32345cf 100644
--- a/lib/dns/include/dns/ncache.h
+++ b/lib/dns/include/dns/ncache.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: ncache.h,v 1.25.48.4 2010-05-14 23:47:50 tbox Exp $ */
+/* $Id: ncache.h,v 1.29 2010-05-14 23:50:40 tbox Exp $ */
 
 #ifndef DNS_NCACHE_H
 #define DNS_NCACHE_H 1
diff --git a/lib/dns/include/dns/nsec3.h b/lib/dns/include/dns/nsec3.h
index ba808e4..ac0c8f2 100644
--- a/lib/dns/include/dns/nsec3.h
+++ b/lib/dns/include/dns/nsec3.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2008, 2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2008-2010  Internet Systems Consortium, Inc. ("ISC")
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -14,7 +14,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: nsec3.h,v 1.5.48.3 2009-10-06 21:20:18 each Exp $ */
+/* $Id: nsec3.h,v 1.12 2010-05-18 02:38:10 tbox Exp $ */
 
 #ifndef DNS_NSEC3_H
 #define DNS_NSEC3_H 1
@@ -110,6 +110,12 @@ isc_result_t
 dns_nsec3_addnsec3s(dns_db_t *db, dns_dbversion_t *version,
 		    dns_name_t *name, dns_ttl_t nsecttl,
 		    isc_boolean_t unsecure, dns_diff_t *diff);
+
+isc_result_t
+dns_nsec3_addnsec3sx(dns_db_t *db, dns_dbversion_t *version,
+		     dns_name_t *name, dns_ttl_t nsecttl,
+		     isc_boolean_t unsecure, dns_rdatatype_t private,
+		     dns_diff_t *diff);
 /*%<
  * Add NSEC3 records for 'name', recording the change in 'diff'.
  * Adjust previous NSEC3 records, if any, to reflect the addition.
@@ -130,6 +136,10 @@ dns_nsec3_addnsec3s(dns_db_t *db, dns_dbversion_t *version,
  * NSEC3PARAM record otherwise OPTOUT will be inherited from the previous
  * record in the chain.
  *
+ * dns_nsec3_addnsec3sx() is similar to dns_nsec3_addnsec3s() but 'private'
+ * specifies the type of the private rdataset to be checked in addition to
+ * the nsec3param rdataset at the zone apex.
+ *
  * Requires:
  *	'db' to be valid.
  *	'version' to be valid or NULL.
@@ -145,6 +155,10 @@ dns_nsec3_delnsec3(dns_db_t *db, dns_dbversion_t *version, dns_name_t *name,
 isc_result_t
 dns_nsec3_delnsec3s(dns_db_t *db, dns_dbversion_t *version, dns_name_t *name,
 		    dns_diff_t *diff);
+
+isc_result_t
+dns_nsec3_delnsec3sx(dns_db_t *db, dns_dbversion_t *version, dns_name_t *name,
+		     dns_rdatatype_t private, dns_diff_t *diff);
 /*%<
  * Remove NSEC3 records for 'name', recording the change in 'diff'.
  * Adjust previous NSEC3 records, if any, to reflect the removal.
@@ -156,6 +170,10 @@ dns_nsec3_delnsec3s(dns_db_t *db, dns_dbversion_t *version, dns_name_t *name,
  * to dns_nsec3_addnsec3s().  Unlike dns_nsec3_addnsec3s() updated NSEC3
  * records have the OPTOUT flag preserved.
  *
+ * dns_nsec3_delnsec3sx() is similar to dns_nsec3_delnsec3s() but 'private'
+ * specifies the type of the private rdataset to be checked in addition to
+ * the nsec3param rdataset at the zone apex.
+ *
  * Requires:
  *	'db' to be valid.
  *	'version' to be valid or NULL.
@@ -167,10 +185,19 @@ dns_nsec3_delnsec3s(dns_db_t *db, dns_dbversion_t *version, dns_name_t *name,
 isc_result_t
 dns_nsec3_active(dns_db_t *db, dns_dbversion_t *version,
 		 isc_boolean_t complete, isc_boolean_t *answer);
+
+isc_result_t
+dns_nsec3_activex(dns_db_t *db, dns_dbversion_t *version,
+		  isc_boolean_t complete, dns_rdatatype_t private,
+		  isc_boolean_t *answer);
 /*%<
  * Check if there are any complete/to be built NSEC3 chains.
  * If 'complete' is ISC_TRUE only complete chains will be recognized.
  *
+ * dns_nsec3_activex() is similar to dns_nsec3_active() but 'private'
+ * specifies the type of the private rdataset to be checked in addition to
+ * the nsec3param rdataset at the zone apex.
+ *
  * Requires:
  *	'db' to be valid.
  *	'version' to be valid or NULL.
@@ -191,6 +218,36 @@ dns_nsec3_maxiterations(dns_db_t *db, dns_dbversion_t *version,
  *	'iterationsp' to be non NULL.
  */
 
+isc_boolean_t
+dns_nsec3param_fromprivate(dns_rdata_t *src, dns_rdata_t *target,
+			   unsigned char *buf, size_t buflen);
+/*%<
+ * Convert a private rdata to a nsec3param rdata.
+ *
+ * Return ISC_TRUE if 'src' could be successfully converted.
+ *
+ * 'buf' should be at least DNS_NSEC3PARAM_BUFFERSIZE in size.
+ */
+
+void
+dns_nsec3param_toprivate(dns_rdata_t *src, dns_rdata_t *target,
+			 dns_rdatatype_t privatetype,
+			 unsigned char *buf, size_t buflen);
+/*%<
+ * Convert a nsec3param rdata to a private rdata.
+ *
+ * 'buf' should be at least src->length + 1 in size.
+ */
+
+isc_result_t
+dns_nsec3param_deletechains(dns_db_t *db, dns_dbversion_t *ver,
+			    dns_zone_t *zone, dns_diff_t *diff);
+
+/*%<
+ * Mark NSEC3PARAM for deletion.
+ */
+
+
 ISC_LANG_ENDDECLS
 
 #endif /* DNS_NSEC3_H */
diff --git a/lib/dns/include/dns/peer.h b/lib/dns/include/dns/peer.h
index 1f8a42e..a1a3e34 100644
--- a/lib/dns/include/dns/peer.h
+++ b/lib/dns/include/dns/peer.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: peer.h,v 1.33.118.2 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: peer.h,v 1.35 2009-01-17 23:47:43 tbox Exp $ */
 
 #ifndef DNS_PEER_H
 #define DNS_PEER_H 1
diff --git a/lib/dns/include/dns/private.h b/lib/dns/include/dns/private.h
new file mode 100644
index 0000000..ffedb5f
--- /dev/null
+++ b/lib/dns/include/dns/private.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: private.h,v 1.3 2009-10-09 23:48:09 tbox Exp $ */
+
+#include 
+#include 
+
+#include 
+#include 
+
+#ifndef DNS_PRIVATE_H
+#define DNS_PRIVATE_H
+
+ISC_LANG_BEGINDECLS
+
+isc_result_t
+dns_private_chains(dns_db_t *db, dns_dbversion_t *ver,
+		   dns_rdatatype_t privatetype,
+		   isc_boolean_t *build_nsec, isc_boolean_t *build_nsec3);
+/*%<
+ * Examine the NSEC, NSEC3PARAM and privatetype RRsets at the apex of the
+ * database to determine which of NSEC or NSEC3 chains we are currently
+ * maintaining.  In normal operations only one of NSEC or NSEC3 is being
+ * maintained but when we are transitiong between NSEC and NSEC3 we need
+ * to update both sets of chains.  If 'privatetype' is zero then the
+ * privatetype RRset will not be examined.
+ *
+ * Requires:
+ * \li	'db' is valid.
+ * \li	'version' is valid or NULL.
+ * \li	'build_nsec' is a pointer to a isc_boolean_t or NULL.
+ * \li	'build_nsec3' is a pointer to a isc_boolean_t or NULL.
+ *
+ * Returns:
+ * \li 	ISC_R_SUCCESS, 'build_nsec' and 'build_nsec3' will be valid.
+ * \li	other on error
+ */
+
+ISC_LANG_ENDDECLS
+
+#endif
diff --git a/lib/dns/include/dns/rbt.h b/lib/dns/include/dns/rbt.h
index 72ef2f1..6149e8d 100644
--- a/lib/dns/include/dns/rbt.h
+++ b/lib/dns/include/dns/rbt.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: rbt.h,v 1.71.48.3 2009-10-20 05:06:04 marka Exp $ */
+/* $Id: rbt.h,v 1.77 2009-11-04 01:18:19 marka Exp $ */
 
 #ifndef DNS_RBT_H
 #define DNS_RBT_H 1
@@ -70,6 +70,12 @@ ISC_LANG_BEGINDECLS
  * multiple dns_rbtnode structures will not work.
  */
 typedef struct dns_rbtnode dns_rbtnode_t;
+enum {
+	DNS_RBT_NSEC_NORMAL=0,      /* in main tree */
+	DNS_RBT_NSEC_HAS_NSEC=1,    /* also has node in nsec tree */
+	DNS_RBT_NSEC_NSEC=2,        /* in nsec tree */
+	DNS_RBT_NSEC_NSEC3=3        /* in nsec3 tree */
+};
 struct dns_rbtnode {
 #if DNS_RBT_USEMAGIC
 	unsigned int magic;
@@ -94,10 +100,7 @@ struct dns_rbtnode {
 	 * The following bitfields add up to a total bitwidth of 32.
 	 * The range of values necessary for each item is indicated,
 	 * but in the case of "attributes" the field is wider to accommodate
-	 * possible future expansion.  "offsetlen" could be one bit
-	 * narrower by always adjusting its value by 1 to find the real
-	 * offsetlen, but doing so does not gain anything (except perhaps
-	 * another bit for "attributes", which doesn't yet need any more).
+	 * possible future expansion.
 	 *
 	 * In each case below the "range" indicated is what's _necessary_ for
 	 * the bitfield to hold, not what it actually _can_ hold.
@@ -105,8 +108,8 @@ struct dns_rbtnode {
 	unsigned int is_root : 1;       /*%< range is 0..1 */
 	unsigned int color : 1;         /*%< range is 0..1 */
 	unsigned int find_callback : 1; /*%< range is 0..1 */
-	unsigned int attributes : 4;    /*%< range is 0..2 */
-	unsigned int nsec3 : 1;    	/*%< range is 0..1 */
+	unsigned int attributes : 3;    /*%< range is 0..2 */
+	unsigned int nsec : 2;          /*%< range is 0..3 */
 	unsigned int namelen : 8;       /*%< range is 1..255 */
 	unsigned int offsetlen : 8;     /*%< range is 1..128 */
 	unsigned int oldnamelen : 8;    /*%< range is 1..255 */
@@ -909,7 +912,7 @@ dns_rbtnodechain_nextflat(dns_rbtnodechain_t *chain, dns_name_t *name);
 	} while (0)
 #else  /* DNS_RBT_USEISCREFCOUNT */
 #define dns_rbtnode_refinit(node, n)    ((node)->references = (n))
-#define dns_rbtnode_refdestroy(node)    (REQUIRE((node)->references == 0))
+#define dns_rbtnode_refdestroy(node)    REQUIRE((node)->references == 0)
 #define dns_rbtnode_refcurrent(node)    ((node)->references)
 #define dns_rbtnode_refincrement0(node, refs)                   \
 	do {                                                    \
diff --git a/lib/dns/include/dns/rdata.h b/lib/dns/include/dns/rdata.h
index 1674b0c..b70a353 100644
--- a/lib/dns/include/dns/rdata.h
+++ b/lib/dns/include/dns/rdata.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: rdata.h,v 1.70.120.3 2009-02-16 00:29:27 marka Exp $ */
+/* $Id: rdata.h,v 1.77 2009-12-04 21:09:33 marka Exp $ */
 
 #ifndef DNS_RDATA_H
 #define DNS_RDATA_H 1
@@ -95,6 +95,7 @@
 
 #include 
 #include 
+#include 
 
 ISC_LANG_BEGINDECLS
 
@@ -124,9 +125,27 @@ struct dns_rdata {
 
 #define DNS_RDATA_INIT { NULL, 0, 0, 0, 0, {(void*)(-1), (void *)(-1)}}
 
+#define DNS_RDATA_CHECKINITIALIZED
+#ifdef DNS_RDATA_CHECKINITIALIZED
+#define DNS_RDATA_INITIALIZED(rdata) \
+	((rdata)->data == NULL && (rdata)->length == 0 && \
+	 (rdata)->rdclass == 0 && (rdata)->type == 0 && (rdata)->flags == 0 && \
+	 !ISC_LINK_LINKED((rdata), link))
+#else
+#ifdef ISC_LIST_CHECKINIT
+#define DNS_RDATA_INITIALIZED(rdata) \
+	(!ISC_LINK_LINKED((rdata), link))
+#else
+#define DNS_RDATA_INITIALIZED(rdata) ISC_TRUE
+#endif
+#endif
+
 #define DNS_RDATA_UPDATE	0x0001		/*%< update pseudo record. */
 #define DNS_RDATA_OFFLINE	0x0002		/*%< RRSIG has a offline key. */
 
+#define DNS_RDATA_VALIDFLAGS(rdata) \
+	(((rdata)->flags & ~(DNS_RDATA_UPDATE|DNS_RDATA_OFFLINE)) == 0)
+
 /*
  * Flags affecting rdata formatting style.  Flags 0xFFFF0000
  * are used by masterfile-level formatting and defined elsewhere.
@@ -201,6 +220,25 @@ dns_rdata_compare(const dns_rdata_t *rdata1, const dns_rdata_t *rdata2);
  *\li	> 0		'rdata1' is greater than 'rdata2'
  */
 
+int
+dns_rdata_casecompare(const dns_rdata_t *rdata1, const dns_rdata_t *rdata2);
+/*%<
+ * dns_rdata_casecompare() is similar to dns_rdata_compare() but also
+ * compares domain names case insensitively in known rdata types that
+ * are treated as opaque data by dns_rdata_compare().
+ *
+ * Requires:
+ *
+ *\li	'rdata1' is a valid, non-empty rdata
+ *
+ *\li	'rdata2' is a valid, non-empty rdata
+ *
+ * Returns:
+ *\li	< 0		'rdata1' is less than 'rdata2'
+ *\li	0		'rdata1' is equal to 'rdata2'
+ *\li	> 0		'rdata1' is greater than 'rdata2'
+ */
+
 /***
  *** Conversions
  ***/
@@ -698,6 +736,21 @@ dns_rdata_checknames(dns_rdata_t *rdata, dns_name_t *owner, dns_name_t *bad);
  *	'bad'	to be NULL or valid.
  */
 
+void
+dns_rdata_exists(dns_rdata_t *rdata, dns_rdatatype_t type);
+
+void
+dns_rdata_notexist(dns_rdata_t *rdata, dns_rdatatype_t type);
+
+void
+dns_rdata_deleterrset(dns_rdata_t *rdata, dns_rdatatype_t type);
+
+void
+dns_rdata_makedelete(dns_rdata_t *rdata);
+
+const char *
+dns_rdata_updateop(dns_rdata_t *rdata, dns_section_t section);
+
 ISC_LANG_ENDDECLS
 
 #endif /* DNS_RDATA_H */
diff --git a/lib/dns/include/dns/rdataset.h b/lib/dns/include/dns/rdataset.h
index a8c3e9c..7f50c12 100644
--- a/lib/dns/include/dns/rdataset.h
+++ b/lib/dns/include/dns/rdataset.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: rdataset.h,v 1.65.50.4.6.3 2011-06-21 20:13:23 each Exp $ */
+/* $Id: rdataset.h,v 1.69.270.3 2011-06-21 20:15:54 each Exp $ */
 
 #ifndef DNS_RDATASET_H
 #define DNS_RDATASET_H 1
diff --git a/lib/dns/include/dns/request.h b/lib/dns/include/dns/request.h
index 8808c0a..f2db1031b 100644
--- a/lib/dns/include/dns/request.h
+++ b/lib/dns/include/dns/request.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2009, 2010  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: request.h,v 1.27.332.2 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: request.h,v 1.31 2010-03-04 23:50:34 tbox Exp $ */
 
 #ifndef DNS_REQUEST_H
 #define DNS_REQUEST_H 1
@@ -47,6 +47,7 @@
 #include 
 
 #define DNS_REQUESTOPT_TCP 0x00000001U
+#define DNS_REQUESTOPT_CASE 0x00000002U
 
 typedef struct dns_requestevent {
 	ISC_EVENT_COMMON(struct dns_requestevent);
@@ -175,6 +176,9 @@ dns_request_create(dns_requestmgr_t *requestmgr, dns_message_t *message,
  *	#DNS_REQUESTOPT_TCP option is set, TCP will be used.  The request
  *	will timeout after 'timeout' seconds.
  *
+ *\li	If the #DNS_REQUESTOPT_CASE option is set, use case sensitive
+ *	compression.
+ *
  *\li	When the request completes, successfully, due to a timeout, or
  *	because it was canceled, a completion event will be sent to 'task'.
  *
@@ -227,6 +231,9 @@ dns_request_createvia3(dns_requestmgr_t *requestmgr, dns_message_t *message,
  *	will timeout after 'timeout' seconds.  UDP requests will be resent
  *	at 'udptimeout' intervals if non-zero or 'udpretries' is non-zero.
  *
+ *\li	If the #DNS_REQUESTOPT_CASE option is set, use case sensitive
+ *	compression.
+ *
  *\li	When the request completes, successfully, due to a timeout, or
  *	because it was canceled, a completion event will be sent to 'task'.
  *
diff --git a/lib/dns/include/dns/resolver.h b/lib/dns/include/dns/resolver.h
index c9034bf..2db1770 100644
--- a/lib/dns/include/dns/resolver.h
+++ b/lib/dns/include/dns/resolver.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2010  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001, 2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: resolver.h,v 1.60.56.5 2010-02-25 10:56:41 tbox Exp $ */
+/* $Id: resolver.h,v 1.67.86.1.2.1 2011-06-02 23:47:36 tbox Exp $ */
 
 #ifndef DNS_RESOLVER_H
 #define DNS_RESOLVER_H 1
@@ -81,6 +81,7 @@ typedef struct dns_fetchevent {
 	dns_fixedname_t			foundname;
 	isc_sockaddr_t *		client;
 	dns_messageid_t			id;
+	isc_result_t			vresult;
 } dns_fetchevent_t;
 
 /*
@@ -179,7 +180,7 @@ dns_resolver_freeze(dns_resolver_t *res);
  *
  * Requires:
  *
- *\li	'res' is a valid, unfrozen resolver.
+ *\li	'res' is a valid resolver.
  *
  * Ensures:
  *
@@ -491,6 +492,27 @@ dns_resolver_setmustbesecure(dns_resolver_t *resolver, dns_name_t *name,
 isc_boolean_t
 dns_resolver_getmustbesecure(dns_resolver_t *resolver, dns_name_t *name);
 
+
+void
+dns_resolver_settimeout(dns_resolver_t *resolver, unsigned int seconds);
+/*%<
+ * Set the length of time the resolver will work on a query, in seconds.
+ *
+ * If timeout is 0, the default timeout will be applied.
+ *
+ * Requires:
+ * \li  resolver to be valid.
+ */
+
+unsigned int
+dns_resolver_gettimeout(dns_resolver_t *resolver);
+/*%<
+ * Get the current length of time the resolver will work on a query, in seconds.
+ *
+ * Requires:
+ * \li  resolver to be valid.
+ */
+
 void
 dns_resolver_setclientsperquery(dns_resolver_t *resolver,
 				isc_uint32_t min, isc_uint32_t max);
diff --git a/lib/dns/include/dns/result.h b/lib/dns/include/dns/result.h
index 74b84d6..adc1215 100644
--- a/lib/dns/include/dns/result.h
+++ b/lib/dns/include/dns/result.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2008, 2010  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: result.h,v 1.116.48.2 2010-02-25 10:56:41 tbox Exp $ */
+/* $Id: result.h,v 1.122 2011-01-11 23:47:13 tbox Exp $ */
 
 #ifndef DNS_RESULT_H
 #define DNS_RESULT_H 1
@@ -148,10 +148,11 @@
 #define DNS_R_MXISADDRESS		(ISC_RESULTCLASS_DNS + 102)
 #define DNS_R_DUPLICATE			(ISC_RESULTCLASS_DNS + 103)
 #define DNS_R_INVALIDNSEC3		(ISC_RESULTCLASS_DNS + 104)
-#define DNS_R_NOTMASTER			(ISC_RESULTCLASS_DNS + 105)
+#define DNS_R_NOTMASTER 		(ISC_RESULTCLASS_DNS + 105)
 #define DNS_R_BROKENCHAIN		(ISC_RESULTCLASS_DNS + 106)
+#define DNS_R_EXPIRED			(ISC_RESULTCLASS_DNS + 107)
 
-#define DNS_R_NRESULTS			107	/*%< Number of results */
+#define DNS_R_NRESULTS			108	/*%< Number of results */
 
 /*
  * DNS wire format rcodes.
diff --git a/lib/dns/include/dns/rpz.h b/lib/dns/include/dns/rpz.h
new file mode 100644
index 0000000..404f517
--- /dev/null
+++ b/lib/dns/include/dns/rpz.h
@@ -0,0 +1,189 @@
+/*
+ * Copyright (C) 2011  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: rpz.h,v 1.3 2011-01-13 04:59:26 tbox Exp $ */
+
+#ifndef DNS_RPZ_H
+#define DNS_RPZ_H 1
+
+#include 
+
+#include 
+#include 
+#include 
+
+ISC_LANG_BEGINDECLS
+
+#define DNS_RPZ_IP_ZONE		"rpz-ip"
+#define DNS_RPZ_NSIP_ZONE	"rpz-nsip"
+#define DNS_RPZ_NSDNAME_ZONE	"rpz-nsdname"
+
+typedef isc_uint8_t		dns_rpz_cidr_bits_t;
+
+typedef enum {
+	DNS_RPZ_TYPE_BAD,
+	DNS_RPZ_TYPE_QNAME,
+	DNS_RPZ_TYPE_IP,
+	DNS_RPZ_TYPE_NSIP,
+	DNS_RPZ_TYPE_NSDNAME
+} dns_rpz_type_t;
+
+/*
+ * Require DNS_RPZ_POLICY_NO_OP < DNS_RPZ_POLICY_NXDOMAIN <
+ *	   DNS_RPZ_POLICY_NODATA < DNS_RPZ_POLICY_CNAME.
+ */
+typedef enum {
+	DNS_RPZ_POLICY_GIVEN = 0,	/* 'given': what something else says */
+	DNS_RPZ_POLICY_NO_OP = 1,	/* 'no-op': do not rewrite */
+	DNS_RPZ_POLICY_NXDOMAIN = 2,	/* 'nxdomain': answer with NXDOMAIN */
+	DNS_RPZ_POLICY_NODATA = 3,	/* 'nodata': answer with ANCOUNT=0 */
+	DNS_RPZ_POLICY_CNAME = 4,	/* 'cname x': answer with x's rrsets */
+	DNS_RPZ_POLICY_RECORD = 5,
+	DNS_RPZ_POLICY_MISS,
+	DNS_RPZ_POLICY_ERROR
+} dns_rpz_policy_t;
+
+/*
+ * Specify a response policy zone.
+ */
+typedef struct dns_rpz_zone dns_rpz_zone_t;
+
+struct dns_rpz_zone {
+	ISC_LINK(dns_rpz_zone_t) link;
+	int			 num;
+	dns_name_t		 origin;  /* Policy zone name */
+	dns_name_t		 nsdname; /* RPZ_NSDNAME_ZONE.origin */
+	dns_rpz_policy_t	 policy;  /* RPZ_POLICY_GIVEN or override */
+	dns_name_t		 cname;	  /* override name for
+					     RPZ_POLICY_CNAME */
+};
+
+/*
+ * Radix trees for response policy IP addresses.
+ */
+typedef struct dns_rpz_cidr	dns_rpz_cidr_t;
+
+/*
+ * context for finding the best policy
+ */
+typedef struct {
+	unsigned int		state;
+# define DNS_RPZ_REWRITTEN	0x0001
+# define DNS_RPZ_DONE_QNAME	0x0002
+# define DNS_RPZ_DONE_A	 	0x0004
+# define DNS_RPZ_RECURSING	0x0008
+# define DNS_RPZ_HAVE_IP 	0x0010
+# define DNS_RPZ_HAVE_NSIPv4	0x0020
+# define DNS_RPZ_HAVE_NSIPv6	0x0040
+# define DNS_RPZ_HAD_NSDNAME	0x0080
+	/*
+	 * Best match so far.
+	 */
+	struct {
+		dns_rpz_type_t		type;
+		dns_rpz_zone_t		*rpz;
+		dns_rpz_cidr_bits_t	prefix;
+		dns_rpz_policy_t	policy;
+		dns_ttl_t		ttl;
+		isc_result_t		result;
+		dns_zone_t		*zone;
+		dns_db_t		*db;
+		dns_dbnode_t		*node;
+		dns_rdataset_t		*rdataset;
+	} m;
+	/*
+	 * State for chasing NS names and addresses including recursion.
+	 */
+	struct {
+		unsigned int		label;
+		dns_db_t		*db;
+		dns_rdataset_t		*ns_rdataset;
+		dns_rdatatype_t		r_type;
+		isc_result_t		r_result;
+		dns_rdataset_t		*r_rdataset;
+	} ns;
+	/*
+	 * State of real query while recursing for NSIP or NSDNAME.
+	 */
+	struct {
+		isc_result_t		result;
+		isc_boolean_t		is_zone;
+		isc_boolean_t		authoritative;
+		dns_zone_t		*zone;
+		dns_db_t		*db;
+		dns_dbnode_t		*node;
+		dns_rdataset_t		*rdataset;
+		dns_rdataset_t		*sigrdataset;
+		dns_rdatatype_t		qtype;
+	} q;
+	dns_name_t		*qname;
+	dns_name_t		*r_name;
+	dns_name_t		*fname;
+	dns_fixedname_t		_qnamef;
+	dns_fixedname_t		_r_namef;
+	dns_fixedname_t		_fnamef;
+} dns_rpz_st_t;
+
+#define DNS_RPZ_TTL_DEFAULT		5
+
+/*
+ * So various response policy zone messages can be turned up or down.
+ */
+#define DNS_RPZ_ERROR_LEVEL	ISC_LOG_WARNING
+#define DNS_RPZ_INFO_LEVEL	ISC_LOG_INFO
+#define DNS_RPZ_DEBUG_LEVEL1	ISC_LOG_DEBUG(1)
+#define DNS_RPZ_DEBUG_LEVEL2	ISC_LOG_DEBUG(2)
+
+const char *
+dns_rpz_type2str(dns_rpz_type_t type);
+
+dns_rpz_policy_t
+dns_rpz_str2policy(const char *str);
+
+void
+dns_rpz_set_need(isc_boolean_t need);
+
+isc_boolean_t
+dns_rpz_needed(void);
+
+void
+dns_rpz_cidr_free(dns_rpz_cidr_t **cidr);
+
+void
+dns_rpz_view_destroy(dns_view_t *view);
+
+isc_result_t
+dns_rpz_new_cidr(isc_mem_t *mctx, dns_name_t *origin,
+		 dns_rpz_cidr_t **rbtdb_cidr);
+void
+dns_rpz_enabled(dns_rpz_cidr_t *cidr, dns_rpz_st_t *st);
+
+void
+dns_rpz_cidr_deleteip(dns_rpz_cidr_t *cidr, dns_name_t *name);
+
+void
+dns_rpz_cidr_addip(dns_rpz_cidr_t *cidr, dns_name_t *name);
+
+isc_result_t
+dns_rpz_cidr_find(dns_rpz_cidr_t *cidr, const isc_netaddr_t *netaddr,
+		  dns_rpz_type_t type, dns_name_t *canon_name,
+		  dns_name_t *search_name, dns_rpz_cidr_bits_t *prefix);
+
+dns_rpz_policy_t
+dns_rpz_decode_cname(dns_rdataset_t *, dns_name_t *selfname);
+
+#endif /* DNS_RPZ_H */
+
diff --git a/lib/dns/include/dns/rriterator.h b/lib/dns/include/dns/rriterator.h
new file mode 100644
index 0000000..0087349
--- /dev/null
+++ b/lib/dns/include/dns/rriterator.h
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: rriterator.h,v 1.2 2009-06-30 02:52:32 each Exp $ */
+
+#ifndef DNS_RRITERATOR_H
+#define DNS_RRITERATOR_H 1
+
+/*****
+ ***** Module Info
+ *****/
+
+/*! \file dns/rriterator.h
+ * \brief
+ * Functions for "walking" a zone database, visiting each RR or RRset in turn.
+ */
+
+/*****
+ ***** Imports
+ *****/
+
+#include 
+#include 
+#include 
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+ISC_LANG_BEGINDECLS
+
+/*****
+ ***** Types
+ *****/
+
+/*%
+ * A dns_rriterator_t is an iterator that iterates over an entire database,
+ * returning one RR at a time, in some arbitrary order.
+ */
+
+typedef struct dns_rriterator {
+	unsigned int		magic;
+	isc_result_t		result;
+	dns_db_t		*db;
+	dns_dbiterator_t 	*dbit;
+	dns_dbversion_t 	*ver;
+	isc_stdtime_t		now;
+	dns_dbnode_t		*node;
+	dns_fixedname_t		fixedname;
+	dns_rdatasetiter_t 	*rdatasetit;
+	dns_rdataset_t 		rdataset;
+	dns_rdata_t		rdata;
+} dns_rriterator_t;
+
+#define RRITERATOR_MAGIC		ISC_MAGIC('R', 'R', 'I', 't')
+#define VALID_RRITERATOR(m)		ISC_MAGIC_VALID(m, RRITERATOR_MAGIC)
+
+isc_result_t
+dns_rriterator_init(dns_rriterator_t *it, dns_db_t *db,
+		       dns_dbversion_t *ver, isc_stdtime_t now);
+
+isc_result_t
+dns_rriterator_first(dns_rriterator_t *it);
+
+isc_result_t
+dns_rriterator_nextrrset(dns_rriterator_t *it);
+
+isc_result_t
+dns_rriterator_next(dns_rriterator_t *it);
+
+void
+dns_rriterator_current(dns_rriterator_t *it, dns_name_t **name,
+			  isc_uint32_t *ttl, dns_rdataset_t **rdataset,
+			  dns_rdata_t **rdata);
+
+void
+dns_rriterator_pause(dns_rriterator_t *it);
+
+void
+dns_rriterator_destroy(dns_rriterator_t *it);
+
+ISC_LANG_ENDDECLS
+
+#endif /* DNS_RRITERATOR_H */
diff --git a/lib/dns/include/dns/sdb.h b/lib/dns/include/dns/sdb.h
index 18995ed..5744837 100644
--- a/lib/dns/include/dns/sdb.h
+++ b/lib/dns/include/dns/sdb.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: sdb.h,v 1.21.332.2 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: sdb.h,v 1.23 2009-01-17 23:47:43 tbox Exp $ */
 
 #ifndef DNS_SDB_H
 #define DNS_SDB_H 1
diff --git a/lib/dns/include/dns/sdlz.h b/lib/dns/include/dns/sdlz.h
index 9d2a0ed..b917cc0 100644
--- a/lib/dns/include/dns/sdlz.h
+++ b/lib/dns/include/dns/sdlz.h
@@ -1,5 +1,5 @@
 /*
- * Portions Copyright (C) 2005-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (C) 2005-2007, 2009-2011  Internet Systems Consortium, Inc. ("ISC")
  * Portions Copyright (C) 1999-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -50,7 +50,7 @@
  * USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: sdlz.h,v 1.7.332.2 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: sdlz.h,v 1.14 2011-01-13 08:50:29 tbox Exp $ */
 
 /*! \file dns/sdlz.h */
 
@@ -74,11 +74,10 @@ typedef struct dns_sdlzlookup dns_sdlzlookup_t;
  /* A simple DLZ database traversal in progress. */
 typedef struct dns_sdlzallnodes dns_sdlzallnodes_t;
 
-
-typedef isc_result_t
-(*dns_sdlzallnodesfunc_t)(const char *zone, void *driverarg, void *dbdata,
-			  dns_sdlzallnodes_t *allnodes);
-
+typedef isc_result_t (*dns_sdlzallnodesfunc_t)(const char *zone,
+					       void *driverarg,
+					       void *dbdata,
+					       dns_sdlzallnodes_t *allnodes);
 /*%<
  * Method prototype.  Drivers implementing the SDLZ interface may
  * supply an all nodes method.  This method is called when the DNS
@@ -92,9 +91,9 @@ typedef isc_result_t
  * does not have to implement an all nodes method.
  */
 
-typedef isc_result_t
-(*dns_sdlzallowzonexfr_t)(void *driverarg, void *dbdata, const char *name,
-			  const char *client);
+typedef isc_result_t (*dns_sdlzallowzonexfr_t)(void *driverarg,
+					       void *dbdata, const char *name,
+					       const char *client);
 
 /*%<
  * Method prototype.  Drivers implementing the SDLZ interface may
@@ -117,9 +116,9 @@ typedef isc_result_t
  * error.
  */
 
-typedef isc_result_t
-(*dns_sdlzauthorityfunc_t)(const char *zone, void *driverarg, void *dbdata,
-			   dns_sdlzlookup_t *lookup);
+typedef isc_result_t (*dns_sdlzauthorityfunc_t)(const char *zone,
+						void *driverarg, void *dbdata,
+						dns_sdlzlookup_t *lookup);
 
 /*%<
  * Method prototype.  Drivers implementing the SDLZ interface may
@@ -131,9 +130,9 @@ typedef isc_result_t
  * method.
  */
 
-typedef isc_result_t
-(*dns_sdlzcreate_t)(const char *dlzname, unsigned int argc, char *argv[],
-		    void *driverarg, void **dbdata);
+typedef isc_result_t (*dns_sdlzcreate_t)(const char *dlzname,
+					 unsigned int argc, char *argv[],
+					 void *driverarg, void **dbdata);
 
 /*%<
  * Method prototype.  Drivers implementing the SDLZ interface may
@@ -142,8 +141,7 @@ typedef isc_result_t
  * does not have to implement a create method.
  */
 
-typedef void
-(*dns_sdlzdestroy_t)(void *driverarg, void *dbdata);
+typedef void (*dns_sdlzdestroy_t)(void *driverarg, void *dbdata);
 
 /*%<
  * Method prototype.  Drivers implementing the SDLZ interface may
@@ -198,6 +196,87 @@ typedef isc_result_t
  * lookup method.
  */
 
+typedef isc_result_t (*dns_sdlznewversion_t)(const char *zone,
+					     void *driverarg, void *dbdata,
+					     void **versionp);
+/*%<
+ * Method prototype.  Drivers implementing the SDLZ interface may
+ * supply a newversion method.  This method is called to start a
+ * write transaction on a zone and should only be implemented by
+ * writeable backends.
+ * When implemented, the driver should create a new transaction, and
+ * fill *versionp with a pointer to the transaction state. The
+ * closeversion function will be called to close the transaction.
+ */
+
+typedef void (*dns_sdlzcloseversion_t)(const char *zone, isc_boolean_t commit,
+				       void *driverarg, void *dbdata,
+				       void **versionp);
+/*%<
+ * Method prototype.  Drivers implementing the SDLZ interface must
+ * supply a closeversion method if they supply a newversion method.
+ * When implemented, the driver should close the given transaction,
+ * committing changes if 'commit' is ISC_TRUE. If 'commit' is not true
+ * then all changes should be discarded and the database rolled back.
+ * If the call is successful then *versionp should be set to NULL
+ */
+
+typedef isc_result_t (*dns_sdlzconfigure_t)(dns_view_t *view, void *driverarg,
+					    void *dbdata);
+/*%<
+ * Method prototype.  Drivers implementing the SDLZ interface may
+ * supply a configure method. When supplied, it will be called
+ * immediately after the create method to give the driver a chance
+ * to configure writeable zones
+ */
+
+
+typedef isc_boolean_t (*dns_sdlzssumatch_t)(const char *signer,
+					    const char *name,
+					    const char *tcpaddr,
+					    const char *type,
+					    const char *key,
+					    isc_uint32_t keydatalen,
+					    unsigned char *keydata,
+					    void *driverarg,
+					    void *dbdata);
+
+/*%<
+ * Method prototype.  Drivers implementing the SDLZ interface may
+ * supply a ssumatch method. If supplied, then ssumatch will be
+ * called to authorize any zone updates. The driver should return
+ * ISC_TRUE to allow the update, and ISC_FALSE to deny it. For a DLZ
+ * controlled zone, this is the only access control on updates.
+ */
+
+
+typedef isc_result_t (*dns_sdlzmodrdataset_t)(const char *name,
+					      const char *rdatastr,
+					      void *driverarg, void *dbdata,
+					      void *version);
+/*%<
+ * Method prototype.  Drivers implementing the SDLZ interface may
+ * supply addrdataset and subtractrdataset methods. If supplied, then these
+ * will be called when rdatasets are added/subtracted during
+ * updates. The version parameter comes from a call to the sdlz
+ * newversion() method from the driver. The rdataset parameter is a
+ * linearise string representation of the rdataset change. The format
+ * is the same as used by dig when displaying records. The fields are
+ * tab delimited.
+ */
+
+typedef isc_result_t (*dns_sdlzdelrdataset_t)(const char *name,
+					      const char *type,
+					      void *driverarg, void *dbdata,
+					      void *version);
+/*%<
+ * Method prototype.  Drivers implementing the SDLZ interface may
+ * supply a delrdataset method. If supplied, then this
+ * function will be called when rdatasets are deleted during
+ * updates. The call should remove all rdatasets of the given type for
+ * the specified name.
+ */
+
 typedef struct dns_sdlzmethods {
 	dns_sdlzcreate_t	create;
 	dns_sdlzdestroy_t	destroy;
@@ -206,6 +285,13 @@ typedef struct dns_sdlzmethods {
 	dns_sdlzauthorityfunc_t	authority;
 	dns_sdlzallnodesfunc_t	allnodes;
 	dns_sdlzallowzonexfr_t	allowzonexfr;
+	dns_sdlznewversion_t    newversion;
+	dns_sdlzcloseversion_t  closeversion;
+	dns_sdlzconfigure_t	configure;
+	dns_sdlzssumatch_t	ssumatch;
+	dns_sdlzmodrdataset_t	addrdataset;
+	dns_sdlzmodrdataset_t	subtractrdataset;
+	dns_sdlzdelrdataset_t	delrdataset;
 } dns_sdlzmethods_t;
 
 isc_result_t
@@ -261,6 +347,14 @@ dns_sdlz_putsoa(dns_sdlzlookup_t *lookup, const char *mname, const char *rname,
  */
 
 
+isc_result_t
+dns_sdlz_setdb(dns_dlzdb_t *dlzdatabase, dns_rdataclass_t rdclass,
+	       dns_name_t *name, dns_db_t **dbp);
+/*%<
+ * Create the database pointers for a writeable SDLZ zone
+ */
+
+
 ISC_LANG_ENDDECLS
 
 #endif /* SDLZ_H */
diff --git a/lib/dns/include/dns/secalg.h b/lib/dns/include/dns/secalg.h
index 0eb0333..49613d5 100644
--- a/lib/dns/include/dns/secalg.h
+++ b/lib/dns/include/dns/secalg.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: secalg.h,v 1.19 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: secalg.h,v 1.21 2009-10-12 23:48:02 tbox Exp $ */
 
 #ifndef DNS_SECALG_H
 #define DNS_SECALG_H 1
@@ -66,6 +66,13 @@ dns_secalg_totext(dns_secalg_t secalg, isc_buffer_t *target);
  *\li	ISC_R_NOSPACE			target buffer is too small
  */
 
+#define DNS_SECALG_FORMATSIZE 20
+void
+dns_secalg_format(dns_secalg_t alg, char *cp, unsigned int size);
+/*%<
+ * Wrapper for dns_secalg_totext(), writing text into 'cp'
+ */
+
 ISC_LANG_ENDDECLS
 
 #endif /* DNS_SECALG_H */
diff --git a/lib/dns/include/dns/soa.h b/lib/dns/include/dns/soa.h
index c1ad706..6ebf61d 100644
--- a/lib/dns/include/dns/soa.h
+++ b/lib/dns/include/dns/soa.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: soa.h,v 1.9 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: soa.h,v 1.12 2009-09-10 01:47:09 each Exp $ */
 
 #ifndef DNS_SOA_H
 #define DNS_SOA_H 1
@@ -40,6 +40,28 @@
 
 ISC_LANG_BEGINDECLS
 
+#define DNS_SOA_BUFFERSIZE      ((2 * DNS_NAME_MAXWIRE) + (4 * 5))
+
+isc_result_t
+dns_soa_buildrdata(dns_name_t *origin, dns_name_t *contact,
+		   dns_rdataclass_t rdclass,
+		   isc_uint32_t serial, isc_uint32_t refresh,
+		   isc_uint32_t retry, isc_uint32_t expire,
+		   isc_uint32_t minimum, unsigned char *buffer,
+		   dns_rdata_t *rdata);
+/*%<
+ * Build the rdata of an SOA record.
+ *
+ * Requires:
+ *\li   buffer  Points to a temporary buffer of at least
+ *              DNS_SOA_BUFFERSIZE bytes.
+ *\li   rdata   Points to an initialized dns_rdata_t.
+ *
+ * Ensures:
+ *  \li    *rdata       Contains a valid SOA rdata.  The 'data' member
+ *  			refers to 'buffer'.
+ */
+
 isc_uint32_t
 dns_soa_getserial(dns_rdata_t *rdata);
 isc_uint32_t
diff --git a/lib/dns/include/dns/ssu.h b/lib/dns/include/dns/ssu.h
index 686928b..5d6c178 100644
--- a/lib/dns/include/dns/ssu.h
+++ b/lib/dns/include/dns/ssu.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2008, 2010, 2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001, 2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: ssu.h,v 1.24 2008-01-18 23:46:58 tbox Exp $ */
+/* $Id: ssu.h,v 1.28 2011-01-06 23:47:00 tbox Exp $ */
 
 #ifndef DNS_SSU_H
 #define DNS_SSU_H 1
@@ -25,6 +25,7 @@
 #include 
 
 #include 
+#include 
 
 ISC_LANG_BEGINDECLS
 
@@ -40,7 +41,9 @@ ISC_LANG_BEGINDECLS
 #define DNS_SSUMATCHTYPE_SUBDOMAINKRB5	9
 #define DNS_SSUMATCHTYPE_TCPSELF	10
 #define DNS_SSUMATCHTYPE_6TO4SELF	11
-#define DNS_SSUMATCHTYPE_MAX 		11  /* max value */
+#define DNS_SSUMATCHTYPE_EXTERNAL	12
+#define DNS_SSUMATCHTYPE_DLZ		13
+#define DNS_SSUMATCHTYPE_MAX 		12  /* max value */
 
 isc_result_t
 dns_ssutable_create(isc_mem_t *mctx, dns_ssutable_t **table);
@@ -57,6 +60,16 @@ dns_ssutable_create(isc_mem_t *mctx, dns_ssutable_t **table);
  *\li		ISC_R_NOMEMORY
  */
 
+isc_result_t
+dns_ssutable_createdlz(isc_mem_t *mctx, dns_ssutable_t **tablep,
+		       dns_dlzdb_t *dlzdatabase);
+/*%<
+ * Create an SSU table that contains a dlzdatabase pointer, and a
+ * single rule with matchtype DNS_SSUMATCHTYPE_DLZ. This type of SSU
+ * table is used by writeable DLZ drivers to offload authorization for
+ * updates to the driver.
+ */
+
 void
 dns_ssutable_attach(dns_ssutable_t *source, dns_ssutable_t **targetp);
 /*%<
@@ -120,7 +133,7 @@ dns_ssutable_addrule(dns_ssutable_t *table, isc_boolean_t grant,
 isc_boolean_t
 dns_ssutable_checkrules(dns_ssutable_t *table, dns_name_t *signer,
 			dns_name_t *name, isc_netaddr_t *tcpaddr,
-			dns_rdatatype_t type);
+			dns_rdatatype_t type, const dst_key_t *key);
 /*%<
  *	Checks that the attempted update of (name, type) is allowed according
  *	to the rules specified in the simple-secure-update rule table.  If
@@ -184,6 +197,16 @@ isc_result_t	dns_ssutable_nextrule(dns_ssurule_t *rule,
  *\li	#ISC_R_NOMORE
  */
 
+
+/*%<
+ * Check a policy rule via an external application
+ */
+isc_boolean_t
+dns_ssu_external_match(dns_name_t *identity, dns_name_t *signer,
+		       dns_name_t *name, isc_netaddr_t *tcpaddr,
+		       dns_rdatatype_t type, const dst_key_t *key,
+		       isc_mem_t *mctx);
+
 ISC_LANG_ENDDECLS
 
 #endif /* DNS_SSU_H */
diff --git a/lib/dns/include/dns/stats.h b/lib/dns/include/dns/stats.h
index 853c1e9..c19b0c7 100644
--- a/lib/dns/include/dns/stats.h
+++ b/lib/dns/include/dns/stats.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: stats.h,v 1.18.56.2 2009-01-29 23:47:44 tbox Exp $ */
+/* $Id: stats.h,v 1.20 2009-01-27 23:47:54 tbox Exp $ */
 
 #ifndef DNS_STATS_H
 #define DNS_STATS_H 1
diff --git a/lib/dns/include/dns/tkey.h b/lib/dns/include/dns/tkey.h
index cb1fe0e..f9e34f8 100644
--- a/lib/dns/include/dns/tkey.h
+++ b/lib/dns/include/dns/tkey.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2009-2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: tkey.h,v 1.26.332.2 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: tkey.h,v 1.32 2011-01-08 23:47:01 tbox Exp $ */
 
 #ifndef DNS_TKEY_H
 #define DNS_TKEY_H 1
@@ -44,6 +44,7 @@ struct dns_tkeyctx {
 	gss_cred_id_t gsscred;
 	isc_mem_t *mctx;
 	isc_entropy_t *ectx;
+	char *gssapi_keytab;
 };
 
 isc_result_t
@@ -123,7 +124,8 @@ dns_tkey_builddhquery(dns_message_t *msg, dst_key_t *key, dns_name_t *name,
 isc_result_t
 dns_tkey_buildgssquery(dns_message_t *msg, dns_name_t *name, dns_name_t *gname,
 		       isc_buffer_t *intoken, isc_uint32_t lifetime,
-		       gss_ctx_id_t *context, isc_boolean_t win2k);
+		       gss_ctx_id_t *context, isc_boolean_t win2k,
+		       isc_mem_t *mctx, char **err_message);
 /*%<
  *	Builds a query containing a TKEY that will generate a GSSAPI context.
  *	The key is requested to have the specified lifetime (in seconds).
@@ -141,6 +143,7 @@ dns_tkey_buildgssquery(dns_message_t *msg, dns_name_t *name, dns_name_t *gname,
  *\li		ISC_R_SUCCESS	msg was successfully updated to include the
  *				query to be sent
  *\li		other		an error occurred while building the message
+ *\li		*err_message	optional error message
  */
 
 
@@ -187,7 +190,7 @@ isc_result_t
 dns_tkey_processgssresponse(dns_message_t *qmsg, dns_message_t *rmsg,
 			    dns_name_t *gname, gss_ctx_id_t *context,
 			    isc_buffer_t *outtoken, dns_tsigkey_t **outkey,
-			    dns_tsig_keyring_t *ring);
+			    dns_tsig_keyring_t *ring, char **err_message);
 /*%<
  * XXX
  */
@@ -211,12 +214,11 @@ dns_tkey_processdeleteresponse(dns_message_t *qmsg, dns_message_t *rmsg,
  *				component of the query or response
  */
 
-
 isc_result_t
 dns_tkey_gssnegotiate(dns_message_t *qmsg, dns_message_t *rmsg,
 		      dns_name_t *server, gss_ctx_id_t *context,
 		      dns_tsigkey_t **outkey, dns_tsig_keyring_t *ring,
-		      isc_boolean_t win2k);
+		      isc_boolean_t win2k, char **err_message);
 
 /*
  *	Client side negotiation of GSS-TSIG.  Process the response
diff --git a/lib/dns/include/dns/tsec.h b/lib/dns/include/dns/tsec.h
new file mode 100644
index 0000000..698634e
--- /dev/null
+++ b/lib/dns/include/dns/tsec.h
@@ -0,0 +1,135 @@
+/*
+ * Copyright (C) 2009, 2010  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: tsec.h,v 1.6 2010-12-09 00:54:34 marka Exp $ */
+
+#ifndef DNS_TSEC_H
+#define DNS_TSEC_H 1
+
+/*****
+ ***** Module Info
+ *****/
+
+/*! \file
+ *
+ * \brief
+ * The TSEC (Transaction Security) module is an abstraction layer for managing
+ * DNS transaction mechanisms such as TSIG or SIG(0).  A TSEC structure is a
+ * mechanism-independent object containing key information specific to the
+ * mechanism, and is expected to be used as an argument to other modules
+ * that use transaction security in a mechanism-independent manner.
+ *
+ * MP:
+ *\li	A TSEC structure is expected to be thread-specific.  No inter-thread
+ *	synchronization is ensured in multiple access to a single TSEC
+ *	structure.
+ *
+ * Resources:
+ *\li	TBS
+ *
+ * Security:
+ *\li	This module does not handle any low-level data directly, and so no
+ *	security issue specific to this module is anticipated.
+ */
+
+#include 
+
+#include 
+
+ISC_LANG_BEGINDECLS
+
+/***
+ *** Types
+ ***/
+
+/*%
+ * Transaction security types.
+ */
+typedef enum {
+	dns_tsectype_none,
+	dns_tsectype_tsig,
+	dns_tsectype_sig0
+} dns_tsectype_t;
+
+isc_result_t
+dns_tsec_create(isc_mem_t *mctx, dns_tsectype_t type, dst_key_t *key,
+		dns_tsec_t **tsecp);
+/*%<
+ * Create a TSEC structure and stores a type-dependent key structure in it.
+ * For a TSIG key (type is dns_tsectype_tsig), dns_tsec_create() creates a
+ * TSIG key structure from '*key' and keeps it in the structure.  For other
+ * types, this function simply retains '*key' in the structure.  In either
+ * case, the ownership of '*key' is transferred to the TSEC module; the caller
+ * must not modify or destroy it after the call to dns_tsec_create().
+ *
+ * Requires:
+ *
+ *\li	'mctx' is a valid memory context.
+ *
+ *\li	'type' is a valid value of dns_tsectype_t (see above).
+ *
+ *\li	'key' is a valid key.
+ *
+ *\li	tsecp != NULL && *tsecp == NULL.
+ *
+ * Returns:
+ *
+ *\li	#ISC_R_SUCCESS				On success.
+ *
+ *\li	Anything else				Failure.
+ */
+
+void
+dns_tsec_destroy(dns_tsec_t **tsecp);
+/*%<
+ * Destroy the TSEC structure.  The stored key is also detached or destroyed.
+ *
+ * Requires
+ *
+ *\li	'*tsecp' is a valid TSEC structure.
+ *
+ * Ensures
+ *
+ *\li	*tsecp == NULL.
+ *
+ */
+
+dns_tsectype_t
+dns_tsec_gettype(dns_tsec_t *tsec);
+/*%<
+ * Return the TSEC type of '*tsec'.
+ *
+ * Requires
+ *
+ *\li	'tsec' is a valid TSEC structure.
+ *
+ */
+
+void
+dns_tsec_getkey(dns_tsec_t *tsec, void *keyp);
+/*%<
+ * Return the TSEC key of '*tsec' in '*keyp'.
+ *
+ * Requires
+ *
+ *\li	keyp != NULL
+ *
+ * Ensures
+ *
+ *\li	*tsecp points to a valid key structure depending on the TSEC type.
+ */
+
+#endif /* DNS_TSEC_H */
diff --git a/lib/dns/include/dns/tsig.h b/lib/dns/include/dns/tsig.h
index 5161fb3..ef9423b 100644
--- a/lib/dns/include/dns/tsig.h
+++ b/lib/dns/include/dns/tsig.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007, 2010  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2009-2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: tsig.h,v 1.51.332.4 2010-12-09 01:12:55 marka Exp $ */
+/* $Id: tsig.h,v 1.59 2011-01-11 23:47:13 tbox Exp $ */
 
 #ifndef DNS_TSIG_H
 #define DNS_TSIG_H 1
@@ -25,6 +25,7 @@
 #include 
 #include 
 #include 
+#include 
 #include 
 
 #include 
@@ -69,6 +70,7 @@ struct dns_tsig_keyring {
 	unsigned int generated;
 	unsigned int maxgenerated;
 	ISC_LIST(dns_tsigkey_t) lru;
+	unsigned int references;
 };
 
 struct dns_tsigkey {
@@ -253,9 +255,30 @@ dns_tsigkeyring_create(isc_mem_t *mctx, dns_tsig_keyring_t **ringp);
  *\li		#ISC_R_NOMEMORY
  */
 
+isc_result_t
+dns_tsigkeyring_add(dns_tsig_keyring_t *ring, dns_name_t *name,
+		    dns_tsigkey_t *tkey);
+/*%<
+ *      Place a TSIG key onto a key ring.
+ *
+ *	Requires:
+ *\li		'ring', 'name' and 'tkey' are not NULL
+ *
+ *	Returns:
+ *\li		#ISC_R_SUCCESS
+ *\li		Any other value indicates failure.
+ */
+
+
+void
+dns_tsigkeyring_attach(dns_tsig_keyring_t *source, dns_tsig_keyring_t **target);
 
 void
-dns_tsigkeyring_destroy(dns_tsig_keyring_t **ringp);
+dns_tsigkeyring_detach(dns_tsig_keyring_t **ringp);
+
+isc_result_t
+dns_tsigkeyring_dumpanddetach(dns_tsig_keyring_t **ringp, FILE *fp);
+
 /*%<
  *	Destroy a TSIG key ring.
  *
@@ -263,6 +286,9 @@ dns_tsigkeyring_destroy(dns_tsig_keyring_t **ringp);
  *\li		'ringp' is not NULL
  */
 
+void
+dns_keyring_restore(dns_tsig_keyring_t *ring, FILE *fp);
+
 ISC_LANG_ENDDECLS
 
 #endif /* DNS_TSIG_H */
diff --git a/lib/dns/include/dns/types.h b/lib/dns/include/dns/types.h
index 4e4c195..dc02c86 100644
--- a/lib/dns/include/dns/types.h
+++ b/lib/dns/include/dns/types.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: types.h,v 1.130.50.7 2010-05-14 23:47:50 tbox Exp $ */
+/* $Id: types.h,v 1.143 2010-12-08 02:46:16 marka Exp $ */
 
 #ifndef DNS_TYPES_H
 #define DNS_TYPES_H 1
@@ -44,6 +44,10 @@ typedef struct dns_adbentry			dns_adbentry_t;
 typedef struct dns_adbfind			dns_adbfind_t;
 typedef ISC_LIST(dns_adbfind_t)			dns_adbfindlist_t;
 typedef struct dns_byaddr			dns_byaddr_t;
+typedef struct dns_client			dns_client_t;
+typedef void					dns_clientrestrans_t;
+typedef void					dns_clientreqtrans_t;
+typedef void					dns_clientupdatetrans_t;
 typedef struct dns_cache			dns_cache_t;
 typedef isc_uint16_t				dns_cert_t;
 typedef struct dns_compress			dns_compress_t;
@@ -63,6 +67,10 @@ typedef struct dns_dispatchevent		dns_dispatchevent_t;
 typedef struct dns_dispatchlist			dns_dispatchlist_t;
 typedef struct dns_dispatchmgr			dns_dispatchmgr_t;
 typedef struct dns_dispentry			dns_dispentry_t;
+typedef struct dns_dns64			dns_dns64_t;
+typedef ISC_LIST(dns_dns64_t)			dns_dns64list_t;
+typedef struct dns_dnsseckey			dns_dnsseckey_t;
+typedef ISC_LIST(dns_dnsseckey_t)		dns_dnsseckeylist_t;
 typedef struct dns_dumpctx			dns_dumpctx_t;
 typedef struct dns_fetch			dns_fetch_t;
 typedef struct dns_fixedname			dns_fixedname_t;
@@ -72,6 +80,7 @@ typedef struct dns_iptable			dns_iptable_t;
 typedef isc_uint32_t				dns_iterations_t;
 typedef isc_uint16_t				dns_keyflags_t;
 typedef struct dns_keynode			dns_keynode_t;
+typedef ISC_LIST(dns_keynode_t)			dns_keynodelist_t;
 typedef struct dns_keytable			dns_keytable_t;
 typedef isc_uint16_t				dns_keytag_t;
 typedef struct dns_loadctx			dns_loadctx_t;
@@ -111,6 +120,7 @@ typedef struct dns_stats			dns_stats_t;
 typedef isc_uint32_t				dns_rdatastatstype_t;
 typedef struct dns_tkeyctx			dns_tkeyctx_t;
 typedef isc_uint16_t				dns_trust_t;
+typedef struct dns_tsec				dns_tsec_t;
 typedef struct dns_tsig_keyring			dns_tsig_keyring_t;
 typedef struct dns_tsigkey			dns_tsigkey_t;
 typedef isc_uint32_t				dns_ttl_t;
@@ -179,6 +189,12 @@ typedef enum {
 	dns_masterformat_raw = 2
 } dns_masterformat_t;
 
+typedef enum {
+	dns_v4_aaaa_ok = 0,
+	dns_v4_aaaa_filter = 1,
+	dns_v4_aaaa_break_dnssec = 2
+} dns_v4_aaaa_t;
+
 /*
  * These are generated by gen.c.
  */
diff --git a/lib/dns/include/dns/validator.h b/lib/dns/include/dns/validator.h
index fb5b834..5fec135 100644
--- a/lib/dns/include/dns/validator.h
+++ b/lib/dns/include/dns/validator.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: validator.h,v 1.41.48.5 2010-02-25 10:56:41 tbox Exp $ */
+/* $Id: validator.h,v 1.46 2010-02-25 05:08:01 tbox Exp $ */
 
 #ifndef DNS_VALIDATOR_H
 #define DNS_VALIDATOR_H 1
diff --git a/lib/dns/include/dns/view.h b/lib/dns/include/dns/view.h
index ec96d4c..4b24023 100644
--- a/lib/dns/include/dns/view.h
+++ b/lib/dns/include/dns/view.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2010  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: view.h,v 1.111.88.6 2010-09-24 08:30:28 tbox Exp $ */
+/* $Id: view.h,v 1.132 2011-01-13 01:59:28 marka Exp $ */
 
 #ifndef DNS_VIEW_H
 #define DNS_VIEW_H 1
@@ -73,6 +73,8 @@
 
 #include 
 #include 
+#include 
+#include 
 #include 
 
 ISC_LANG_BEGINDECLS
@@ -92,8 +94,13 @@ struct dns_view {
 	dns_cache_t *			cache;
 	dns_db_t *			cachedb;
 	dns_db_t *			hints;
-	dns_keytable_t *		secroots;
-	dns_keytable_t *		trustedkeys;
+
+	/*
+	 * security roots.
+	 * internal use only; access via * dns_view_getsecroots()
+	 */
+	dns_keytable_t *		secroots_priv;
+
 	isc_mutex_t			lock;
 	isc_boolean_t			frozen;
 	isc_task_t *			task;
@@ -102,6 +109,7 @@ struct dns_view {
 	isc_event_t			reqevent;
 	isc_stats_t *			resstats;
 	dns_stats_t *			resquerystats;
+	isc_boolean_t			cacheshared;
 
 	/* Configurable data. */
 	dns_tsig_keyring_t *		statickeys;
@@ -129,6 +137,10 @@ struct dns_view {
 	dns_acl_t *			transferacl;
 	dns_acl_t *			updateacl;
 	dns_acl_t *			upfwdacl;
+	dns_acl_t *			denyansweracl;
+	dns_rbt_t *			answeracl_exclude;
+	dns_rbt_t *			denyanswernames;
+	dns_rbt_t *			answernames_exclude;
 	isc_boolean_t			requestixfr;
 	isc_boolean_t			provideixfr;
 	isc_boolean_t			requestnsid;
@@ -145,6 +157,11 @@ struct dns_view {
 	dns_name_t *			dlv;
 	dns_fixedname_t			dlv_fixed;
 	isc_uint16_t			maxudp;
+	dns_v4_aaaa_t			v4_aaaa;
+	dns_acl_t *			v4_aaaa_acl;
+	dns_dns64list_t 		dns64;
+	unsigned int 			dns64cnt;
+	ISC_LIST(dns_rpz_zone_t)	rpz_zones;
 
 	/*
 	 * Configurable data for server use only,
@@ -162,6 +179,17 @@ struct dns_view {
 	unsigned int			attributes;
 	/* Under owner's locking control. */
 	ISC_LINK(struct dns_view)	link;
+	dns_viewlist_t *		viewlist;
+
+	dns_zone_t *			managed_keys;
+
+#ifdef BIND9
+	/* File in which to store configuration for newly added zones */
+	char *				new_zone_file;
+
+	void *				new_zone_config;
+	void				(*cfg_destroy)(void **);
+#endif
 };
 
 #define DNS_VIEW_MAGIC			ISC_MAGIC('V','i','e','w')
@@ -310,8 +338,12 @@ dns_view_createresolver(dns_view_t *view,
 
 void
 dns_view_setcache(dns_view_t *view, dns_cache_t *cache);
+void
+dns_view_setcache2(dns_view_t *view, dns_cache_t *cache, isc_boolean_t shared);
 /*%<
- * Set the view's cache database.
+ * Set the view's cache database.  If 'shared' is true, this means the cache
+ * is created by another view and is shared with that view.  dns_view_setcache()
+ * is a backward compatible version equivalent to setcache2(..., ISC_FALSE).
  *
  * Requires:
  *
@@ -346,6 +378,8 @@ dns_view_sethints(dns_view_t *view, dns_db_t *hints);
 
 void
 dns_view_setkeyring(dns_view_t *view, dns_tsig_keyring_t *ring);
+void
+dns_view_setdynamickeyring(dns_view_t *view, dns_tsig_keyring_t *ring);
 /*%<
  * Set the view's static TSIG keys
  *
@@ -362,6 +396,15 @@ dns_view_setkeyring(dns_view_t *view, dns_tsig_keyring_t *ring);
  */
 
 void
+dns_view_getdynamickeyring(dns_view_t *view, dns_tsig_keyring_t **ringp);
+/*%<
+ * Return the views dynamic keys.
+ *
+ *   \li  'view' is a valid, unfrozen view.
+ *   \li  'ringp' != NULL && ringp == NULL.
+ */
+
+void
 dns_view_setdstport(dns_view_t *view, in_port_t dstport);
 /*%<
  * Set the view's destination port.  This is the port to
@@ -398,7 +441,7 @@ dns_view_addzone(dns_view_t *view, dns_zone_t *zone);
 void
 dns_view_freeze(dns_view_t *view);
 /*%<
- * Freeze view.
+ * Freeze view.  No changes can be made to view configuration while frozen.
  *
  * Requires:
  *
@@ -409,14 +452,44 @@ dns_view_freeze(dns_view_t *view);
  *\li	'view' is frozen.
  */
 
+void
+dns_view_thaw(dns_view_t *view);
+/*%<
+ * Thaw view.  This allows zones to be added or removed at runtime.  This is
+ * NOT thread-safe; the caller MUST have run isc_task_exclusive() prior to
+ * thawing the view.
+ *
+ * Requires:
+ *
+ *\li	'view' is a valid, frozen view.
+ *
+ * Ensures:
+ *
+ *\li	'view' is no longer frozen.
+ */
 isc_result_t
 dns_view_find(dns_view_t *view, dns_name_t *name, dns_rdatatype_t type,
 	      isc_stdtime_t now, unsigned int options, isc_boolean_t use_hints,
 	      dns_db_t **dbp, dns_dbnode_t **nodep, dns_name_t *foundname,
 	      dns_rdataset_t *rdataset, dns_rdataset_t *sigrdataset);
+isc_result_t
+dns_view_find2(dns_view_t *view, dns_name_t *name, dns_rdatatype_t type,
+	       isc_stdtime_t now, unsigned int options,
+	       isc_boolean_t use_hints, isc_boolean_t use_static_stub,
+	       dns_db_t **dbp, dns_dbnode_t **nodep, dns_name_t *foundname,
+	       dns_rdataset_t *rdataset, dns_rdataset_t *sigrdataset);
 /*%<
  * Find an rdataset whose owner name is 'name', and whose type is
  * 'type'.
+ * In general, this function first searches view's zone and cache DBs for the
+ * best match data against 'name'.  If nothing found there, and if 'use_hints'
+ * is ISC_TRUE, the view's hint DB (if configured) is searched.
+ * If the view is configured with a static-stub zone which gives the longest
+ * match for 'name' among the zones, however, the cache DB is not consulted
+ * unless 'use_static_stub' is ISC_FALSE (see below about this argument).
+ *
+ * dns_view_find() is a backward compatible version equivalent to
+ * dns_view_find2() with use_static_stub argument being ISC_FALSE.
  *
  * Notes:
  *
@@ -432,6 +505,23 @@ dns_view_find(dns_view_t *view, dns_name_t *name, dns_rdatatype_t type,
  *	in the hints database but not the type, the result code will be
  *	#DNS_R_HINTNXRRSET.
  *
+ *\li	If 'use_static_stub' is ISC_FALSE and the longest match zone for 'name'
+ *	is a static-stub zone, it's ignored and the cache and/or hints will be
+ *	searched.  In the majority of the cases this argument should be
+ *	ISC_FALSE.  The only known usage of this argument being ISC_TRUE is
+ *	if this search is for a "bailiwick" glue A or AAAA RRset that may
+ *	best match a static-stub zone.  Consider the following example:
+ *	this view is configured with a static-stub zone "example.com",
+ *	and an attempt of recursive resolution needs to send a query for the
+ *	zone.  In this case it's quite likely that the resolver is trying to
+ *	find A/AAAA RRs for the apex name "example.com".  And, to honor the
+ *	static-stub configuration it needs to return the glue RRs in the
+ *	static-stub zone even if that exact RRs coming from the authoritative
+ *	zone has been cached.
+ *	In other general cases, the requested data is better to be
+ *	authoritative, either locally configured or retrieved from an external
+ *	server, and the data in the static-stub zone should better be ignored.
+ *
  *\li	'foundname' must meet the requirements of dns_db_find().
  *
  *\li	If 'sigrdataset' is not NULL, and there is a SIG rdataset which
@@ -728,8 +818,14 @@ dns_view_dumpdbtostream(dns_view_t *view, FILE *fp);
 
 isc_result_t
 dns_view_flushcache(dns_view_t *view);
+isc_result_t
+dns_view_flushcache2(dns_view_t *view, isc_boolean_t fixuponly);
 /*%<
- * Flush the view's cache (and ADB).
+ * Flush the view's cache (and ADB).  If 'fixuponly' is true, it only updates
+ * the internal reference to the cache DB with omitting actual flush operation.
+ * 'fixuponly' is intended to be used for a view that shares a cache with
+ * a different view.  dns_view_flushcache() is a backward compatible version
+ * that always sets fixuponly to false.
  *
  * Requires:
  * 	'view' is valid.
@@ -878,4 +974,105 @@ dns_view_getresquerystats(dns_view_t *view, dns_stats_t **statsp);
  *\li	'statsp' != NULL && '*statsp' != NULL
  */
 
+isc_boolean_t
+dns_view_iscacheshared(dns_view_t *view);
+/*%<
+ * Check if the view shares the cache created by another view.
+ *
+ * Requires:
+ * \li	'view' is valid.
+ *
+ * Returns:
+ *\li	#ISC_TRUE if the cache is shared.
+ *\li	#ISC_FALSE otherwise.
+ */
+
+isc_result_t
+dns_view_initsecroots(dns_view_t *view, isc_mem_t *mctx);
+/*%<
+ * Initialize security roots for the view.  (Note that secroots is
+ * NULL until this function is called, so any function using
+ * secroots must check its validity first.  One way to do this is
+ * use dns_view_getsecroots() and check its return value.)
+ *
+ * Requires:
+ * \li	'view' is valid.
+ * \li	'view->secroots' is NULL.
+ *
+ * Returns:
+ *\li	ISC_R_SUCCESS
+ *\li	Any other result indicates failure
+ */
+
+isc_result_t
+dns_view_getsecroots(dns_view_t *view, dns_keytable_t **ktp);
+/*%<
+ * Get the security roots for this view.  Returns ISC_R_NOTFOUND if
+ * the security roots keytable has not been initialized for the view.
+ *
+ * '*ktp' is attached on success; the caller is responsible for
+ * detaching it with dns_keytable_detach().
+ *
+ * Requires:
+ * \li	'view' is valid.
+ * \li	'ktp' is not NULL and '*ktp' is NULL.
+ *
+ * Returns:
+ *\li	ISC_R_SUCCESS
+ *\li	ISC_R_NOTFOUND
+ */
+
+isc_result_t
+dns_view_issecuredomain(dns_view_t *view, dns_name_t *name,
+			 isc_boolean_t *secure_domain);
+/*%<
+ * Is 'name' at or beneath a trusted key?  Put answer in
+ * '*secure_domain'.
+ *
+ * Requires:
+ * \li	'view' is valid.
+ *
+ * Returns:
+ *\li	ISC_R_SUCCESS
+ *\li	Any other value indicates failure
+ */
+
+void
+dns_view_untrust(dns_view_t *view, dns_name_t *keyname,
+		 dns_rdata_dnskey_t *dnskey, isc_mem_t *mctx);
+/*%<
+ * Remove keys that match 'keyname' and 'dnskey' from the views trust
+ * anchors.
+ *
+ * Requires:
+ * \li	'view' is valid.
+ * \li	'keyname' is valid.
+ * \li	'mctx' is valid.
+ * \li	'dnskey' is valid.
+ */
+
+void
+dns_view_setnewzones(dns_view_t *view, isc_boolean_t allow, void *cfgctx,
+		     void (*cfg_destroy)(void **));
+/*%<
+ * Set whether or not to allow zones to be created or deleted at runtime.
+ *
+ * If 'allow' is ISC_TRUE, determines the filename into which new zone
+ * configuration will be written.  Preserves the configuration context
+ * (a pointer to which is passed in 'cfgctx') for use when parsing new
+ * zone configuration.  'cfg_destroy' points to a callback routine to
+ * destroy the configuration context when the view is destroyed.  (This
+ * roundabout method is used in order to avoid libdns having a dependency
+ * on libisccfg and libbind9.)
+ *
+ * If 'allow' is ISC_FALSE, removes any existing references to
+ * configuration context and frees any memory.
+ *
+ * Requires:
+ * \li 'view' is valid.
+ */
+
+void
+dns_view_restorekeyring(dns_view_t *view);
+
 #endif /* DNS_VIEW_H */
diff --git a/lib/dns/include/dns/xfrin.h b/lib/dns/include/dns/xfrin.h
index b957e25..58910d2 100644
--- a/lib/dns/include/dns/xfrin.h
+++ b/lib/dns/include/dns/xfrin.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: xfrin.h,v 1.28.332.2 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: xfrin.h,v 1.30 2009-01-17 23:47:43 tbox Exp $ */
 
 #ifndef DNS_XFRIN_H
 #define DNS_XFRIN_H 1
diff --git a/lib/dns/include/dns/zone.h b/lib/dns/include/dns/zone.h
index 96cb998..67756d9 100644
--- a/lib/dns/include/dns/zone.h
+++ b/lib/dns/include/dns/zone.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: zone.h,v 1.160.50.8 2010-12-14 23:46:09 tbox Exp $ */
+/* $Id: zone.h,v 1.182 2010-12-18 01:56:22 each Exp $ */
 
 #ifndef DNS_ZONE_H
 #define DNS_ZONE_H 1
@@ -40,7 +40,10 @@ typedef enum {
 	dns_zone_none,
 	dns_zone_master,
 	dns_zone_slave,
-	dns_zone_stub
+	dns_zone_stub,
+	dns_zone_staticstub,
+	dns_zone_key,
+	dns_zone_dlz
 } dns_zonetype_t;
 
 #define DNS_ZONEOPT_SERVERS	  0x00000001U	/*%< perform server checks */
@@ -70,6 +73,10 @@ typedef enum {
 #define DNS_ZONEOPT_TRYTCPREFRESH 0x01000000U	/*%< try tcp refresh on udp failure */
 #define DNS_ZONEOPT_NOTIFYTOSOA	  0x02000000U	/*%< Notify the SOA MNAME */
 #define DNS_ZONEOPT_NSEC3TESTZONE 0x04000000U	/*%< nsec3-test-zone */
+#define DNS_ZONEOPT_SECURETOINSECURE 0x08000000U /*%< dnssec-secure-to-insecure */
+#define DNS_ZONEOPT_DNSKEYKSKONLY 0x10000000U	/*%< dnssec-dnskey-kskonly */
+#define DNS_ZONEOPT_CHECKDUPRR	  0x20000000U   /*%< check-dup-records */
+#define DNS_ZONEOPT_CHECKDUPRRFAIL 0x40000000U	/*%< fatal check-dup-records failures */
 
 #ifndef NOMINUM_PUBLIC
 /*
@@ -78,6 +85,14 @@ typedef enum {
 #define DNS_ZONEOPT_NOTIFYFORWARD 0x80000000U	/* forward notify to master */
 #endif /* NOMINUM_PUBLIC */
 
+/*
+ * Zone key maintenance options
+ */
+#define DNS_ZONEKEY_ALLOW	0x00000001U	/*%< fetch keys on command */
+#define DNS_ZONEKEY_MAINTAIN	0x00000002U	/*%< publish/sign on schedule */
+#define DNS_ZONEKEY_CREATE	0x00000004U	/*%< make keys when needed */
+#define DNS_ZONEKEY_FULLSIGN    0x00000008U     /*%< roll to new keys immediately */
+
 #ifndef DNS_ZONE_MINREFRESH
 #define DNS_ZONE_MINREFRESH		    300	/*%< 5 minutes */
 #endif
@@ -367,6 +382,22 @@ dns_zone_getdb(dns_zone_t *zone, dns_db_t **dbp);
  *\li	DNS_R_NOTLOADED
  */
 
+void
+dns_zone_setdb(dns_zone_t *zone, dns_db_t *db);
+/*%<
+ *	Sets the zone database to 'db'.
+ *
+ *	This function is expected to be used to configure a zone with a
+ *	database which is not loaded from a file or zone transfer.
+ *	It can be used for a general purpose zone, but right now its use
+ *	is limited to static-stub zones to avoid possible undiscovered
+ *	problems in the general cases.
+ *
+ * Require:
+ *\li	'zone' to be a valid zone of static-stub.
+ *\li	zone doesn't have a database.
+ */
+
 isc_result_t
 dns_zone_setdbtype(dns_zone_t *zone,
 		   unsigned int dbargc, const char * const *dbargv);
@@ -568,6 +599,25 @@ dns_zone_getoptions(dns_zone_t *zone);
  */
 
 void
+dns_zone_setkeyopt(dns_zone_t *zone, unsigned int option, isc_boolean_t value);
+/*%<
+ *	Set key options on ('value' == ISC_TRUE) or off ('value' ==
+ *	#ISC_FALSE).
+ *
+ * Require:
+ *\li	'zone' to be a valid zone.
+ */
+
+unsigned int
+dns_zone_getkeyopts(dns_zone_t *zone);
+/*%<
+ *	Returns the current zone key options.
+ *
+ * Require:
+ *\li	'zone' to be a valid zone.
+ */
+
+void
 dns_zone_setminrefreshtime(dns_zone_t *zone, isc_uint32_t val);
 /*%<
  *	Set the minimum refresh time.
@@ -1747,6 +1797,61 @@ dns_zone_getprivatetype(dns_zone_t *zone);
  * will not be permanent.
  */
 
+void
+dns_zone_rekey(dns_zone_t *zone, isc_boolean_t fullsign);
+/*%<
+ * Update the zone's DNSKEY set from the key repository.
+ *
+ * If 'fullsign' is true, trigger an immediate full signing of
+ * the zone with the new key.  Otherwise, if there are no keys or
+ * if the new keys are for algorithms that have already signed the
+ * zone, then the zone can be re-signed incrementally.
+ */
+
+isc_result_t
+dns_zone_nscheck(dns_zone_t *zone, dns_db_t *db, dns_dbversion_t *version,
+		 unsigned int *errors);
+/*%
+ * Check if the name servers for the zone are sane (have address, don't
+ * refer to CNAMEs/DNAMEs.  The number of constiancy errors detected in
+ * returned in '*errors'
+ *
+ * Requires:
+ * \li	'zone' to be valid.
+ * \li	'db' to be valid.
+ * \li	'version' to be valid or NULL.
+ * \li	'errors' to be non NULL.
+ *
+ * Returns:
+ * 	ISC_R_SUCCESS if there were no errors examining the zone contents.
+ */
+
+void
+dns_zone_setadded(dns_zone_t *zone, isc_boolean_t added);
+/*%
+ * Sets the value of zone->added, which should be ISC_TRUE for
+ * zones that were originally added by "rndc addzone".
+ *
+ * Requires:
+ * \li	'zone' to be valid.
+ */
+
+isc_boolean_t
+dns_zone_getadded(dns_zone_t *zone);
+/*%
+ * Returns ISC_TRUE if the zone was originally added at runtime
+ * using "rndc addzone".
+ *
+ * Requires:
+ * \li	'zone' to be valid.
+ */
+
+isc_result_t
+dns_zone_dlzpostload(dns_zone_t *zone, dns_db_t *db);
+/*%
+ * Load the origin names for a writeable DLZ database.
+ */
+
 ISC_LANG_ENDDECLS
 
 #endif /* DNS_ZONE_H */
diff --git a/lib/dns/include/dst/dst.h b/lib/dns/include/dst/dst.h
index 1a30d2b..3c999f6 100644
--- a/lib/dns/include/dst/dst.h
+++ b/lib/dns/include/dst/dst.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2008, 2010  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: dst.h,v 1.12.50.3 2010-12-09 01:12:55 marka Exp $ */
+/* $Id: dst.h,v 1.31 2011-01-11 23:47:14 tbox Exp $ */
 
 #ifndef DST_DST_H
 #define DST_DST_H 1
@@ -23,8 +23,11 @@
 /*! \file dst/dst.h */
 
 #include 
+#include 
 
 #include 
+#include 
+#include 
 
 #include 
 
@@ -55,6 +58,7 @@ typedef struct dst_context 	dst_context_t;
 #define DST_ALG_NSEC3RSASHA1	7
 #define DST_ALG_RSASHA256	8
 #define DST_ALG_RSASHA512	10
+#define DST_ALG_ECCGOST		12
 #define DST_ALG_HMACMD5		157
 #define DST_ALG_GSSAPI		160
 #define DST_ALG_HMACSHA1	161	/* XXXMPA */
@@ -80,12 +84,55 @@ typedef struct dst_context 	dst_context_t;
 #define DST_TYPE_PRIVATE	0x2000000
 #define DST_TYPE_PUBLIC		0x4000000
 
+/* Key timing metadata definitions */
+#define DST_TIME_CREATED	0
+#define DST_TIME_PUBLISH	1
+#define DST_TIME_ACTIVATE	2
+#define DST_TIME_REVOKE 	3
+#define DST_TIME_INACTIVE	4
+#define DST_TIME_DELETE 	5
+#define DST_TIME_DSPUBLISH 	6
+#define DST_MAX_TIMES		6
+
+/* Numeric metadata definitions */
+#define DST_NUM_PREDECESSOR	0
+#define DST_NUM_SUCCESSOR	1
+#define DST_NUM_MAXTTL		2
+#define DST_NUM_ROLLPERIOD	3
+#define DST_MAX_NUMERIC		3
+
+/*
+ * Current format version number of the private key parser.
+ *
+ * When parsing a key file with the same major number but a higher minor
+ * number, the key parser will ignore any fields it does not recognize.
+ * Thus, DST_MINOR_VERSION should be incremented whenever new
+ * fields are added to the private key file (such as new metadata).
+ *
+ * When rewriting these keys, those fields will be dropped, and the
+ * format version set back to the current one..
+ *
+ * When a key is seen with a higher major number, the key parser will
+ * reject it as invalid.  Thus, DST_MAJOR_VERSION should be incremented
+ * and DST_MINOR_VERSION set to zero whenever there is a format change
+ * which is not backward compatible to previous versions of the dst_key
+ * parser, such as change in the syntax of an existing field, the removal
+ * of a currently mandatory field, or a new field added which would
+ * alter the functioning of the key if it were absent.
+ */
+#define DST_MAJOR_VERSION	1
+#define DST_MINOR_VERSION	3
+
 /***
  *** Functions
  ***/
 
 isc_result_t
 dst_lib_init(isc_mem_t *mctx, isc_entropy_t *ectx, unsigned int eflags);
+
+isc_result_t
+dst_lib_init2(isc_mem_t *mctx, isc_entropy_t *ectx,
+	      const char *engine, unsigned int eflags);
 /*%<
  * Initializes the DST subsystem.
  *
@@ -96,6 +143,7 @@ dst_lib_init(isc_mem_t *mctx, isc_entropy_t *ectx, unsigned int eflags);
  * Returns:
  * \li	ISC_R_SUCCESS
  * \li	ISC_R_NOMEMORY
+ * \li	DST_R_NOENGINE
  *
  * Ensures:
  * \li	DST is properly initialized.
@@ -244,13 +292,17 @@ dst_key_fromfile(dns_name_t *name, dns_keytag_t id, unsigned int alg, int type,
  */
 
 isc_result_t
-dst_key_fromnamedfile(const char *filename, int type, isc_mem_t *mctx,
-		      dst_key_t **keyp);
+dst_key_fromnamedfile(const char *filename, const char *dirname,
+		      int type, isc_mem_t *mctx, dst_key_t **keyp);
 /*%<
  * Reads a key from permanent storage.  The key can either be a public or
  * key, and is specified by filename.  If a private key is specified, the
  * public key must also be present.
  *
+ * If 'dirname' is not NULL, and 'filename' is a relative path,
+ * then the file is looked up relative to the given directory.
+ * If 'filename' is an absolute path, 'dirname' is ignored.
+ *
  * Requires:
  * \li	"filename" is not NULL
  * \li	"type" is DST_TYPE_PUBLIC, DST_TYPE_PRIVATE, or the bitwise union
@@ -419,7 +471,7 @@ dst_key_getgssctx(const dst_key_t *key);
 
 isc_result_t
 dst_key_fromgssapi(dns_name_t *name, gss_ctx_id_t gssctx, isc_mem_t *mctx,
-		   dst_key_t **keyp);
+		   dst_key_t **keyp, isc_region_t *intoken);
 /*%<
  * Converts a GSSAPI opaque context id into a DST key.
  *
@@ -450,6 +502,14 @@ dst_key_generate(dns_name_t *name, unsigned int alg,
 		 unsigned int flags, unsigned int protocol,
 		 dns_rdataclass_t rdclass,
 		 isc_mem_t *mctx, dst_key_t **keyp);
+
+isc_result_t
+dst_key_generate2(dns_name_t *name, unsigned int alg,
+		  unsigned int bits, unsigned int param,
+		  unsigned int flags, unsigned int protocol,
+		  dns_rdataclass_t rdclass,
+		  isc_mem_t *mctx, dst_key_t **keyp,
+		  void (*callback)(int));
 /*%<
  * Generate a DST key (or keypair) with the supplied parameters.  The
  * interpretation of the "param" field depends on the algorithm:
@@ -482,7 +542,31 @@ dst_key_generate(dns_name_t *name, unsigned int alg,
 isc_boolean_t
 dst_key_compare(const dst_key_t *key1, const dst_key_t *key2);
 /*%<
- * Compares two DST keys.
+ * Compares two DST keys.  Returns true if they match, false otherwise.
+ *
+ * Keys ARE NOT considered to match if one of them is the revoked version
+ * of the other.
+ *
+ * Requires:
+ *\li	"key1" is a valid key.
+ *\li	"key2" is a valid key.
+ *
+ * Returns:
+ *\li 	ISC_TRUE
+ * \li	ISC_FALSE
+ */
+
+isc_boolean_t
+dst_key_pubcompare(const dst_key_t *key1, const dst_key_t *key2,
+		   isc_boolean_t match_revoked_key);
+/*%<
+ * Compares only the public portions of two DST keys.  Returns true
+ * if they match, false otherwise.  This allows us, for example, to
+ * determine whether a public key found in a zone matches up with a
+ * key pair found on disk.
+ *
+ * If match_revoked_key is TRUE, then keys ARE considered to match if one
+ * of them is the revoked version of the other. Otherwise, they are not.
  *
  * Requires:
  *\li	"key1" is a valid key.
@@ -521,10 +605,12 @@ dst_key_attach(dst_key_t *source, dst_key_t **target);
 void
 dst_key_free(dst_key_t **keyp);
 /*%<
- * Release all memory associated with the key.
+ * Decrement the key's reference counter and, when it reaches zero,
+ * release all memory associated with the key.
  *
  * Requires:
  *\li	"keyp" is not NULL and "*keyp" is a valid key.
+ *\li	reference counter greater than zero.
  *
  * Ensures:
  *\li	All memory associated with "*keyp" will be freed.
@@ -633,7 +719,7 @@ dst_region_computeid(const isc_region_t *source, unsigned int alg);
 
 isc_uint16_t
 dst_key_getbits(const dst_key_t *key);
-/*
+/*%<
  * Get the number of digest bits required (0 == MAX).
  *
  * Requires:
@@ -642,13 +728,150 @@ dst_key_getbits(const dst_key_t *key);
 
 void
 dst_key_setbits(dst_key_t *key, isc_uint16_t bits);
-/*
+/*%<
  * Set the number of digest bits required (0 == MAX).
  *
  * Requires:
  *	"key" is a valid key.
  */
 
+isc_result_t
+dst_key_setflags(dst_key_t *key, isc_uint32_t flags);
+/*
+ * Set the key flags, and recompute the key ID.
+ *
+ * Requires:
+ *	"key" is a valid key.
+ */
+
+isc_result_t
+dst_key_getnum(const dst_key_t *key, int type, isc_uint32_t *valuep);
+/*%<
+ * Get a member of the numeric metadata array and place it in '*valuep'.
+ *
+ * Requires:
+ *	"key" is a valid key.
+ *	"type" is no larger than DST_MAX_NUMERIC
+ *	"timep" is not null.
+ */
+
+void
+dst_key_setnum(dst_key_t *key, int type, isc_uint32_t value);
+/*%<
+ * Set a member of the numeric metadata array.
+ *
+ * Requires:
+ *	"key" is a valid key.
+ *	"type" is no larger than DST_MAX_NUMERIC
+ */
+
+void
+dst_key_unsetnum(dst_key_t *key, int type);
+/*%<
+ * Flag a member of the numeric metadata array as "not set".
+ *
+ * Requires:
+ *	"key" is a valid key.
+ *	"type" is no larger than DST_MAX_NUMERIC
+ */
+
+isc_result_t
+dst_key_gettime(const dst_key_t *key, int type, isc_stdtime_t *timep);
+/*%<
+ * Get a member of the timing metadata array and place it in '*timep'.
+ *
+ * Requires:
+ *	"key" is a valid key.
+ *	"type" is no larger than DST_MAX_TIMES
+ *	"timep" is not null.
+ */
+
+void
+dst_key_settime(dst_key_t *key, int type, isc_stdtime_t when);
+/*%<
+ * Set a member of the timing metadata array.
+ *
+ * Requires:
+ *	"key" is a valid key.
+ *	"type" is no larger than DST_MAX_TIMES
+ */
+
+void
+dst_key_unsettime(dst_key_t *key, int type);
+/*%<
+ * Flag a member of the timing metadata array as "not set".
+ *
+ * Requires:
+ *	"key" is a valid key.
+ *	"type" is no larger than DST_MAX_TIMES
+ */
+
+isc_result_t
+dst_key_getprivateformat(const dst_key_t *key, int *majorp, int *minorp);
+/*%<
+ * Get the private key format version number.  (If the key does not have
+ * a private key associated with it, the version will be 0.0.)  The major
+ * version number is placed in '*majorp', and the minor version number in
+ * '*minorp'.
+ *
+ * Requires:
+ *	"key" is a valid key.
+ *	"majorp" is not NULL.
+ *	"minorp" is not NULL.
+ */
+
+void
+dst_key_setprivateformat(dst_key_t *key, int major, int minor);
+/*%<
+ * Set the private key format version number.
+ *
+ * Requires:
+ *	"key" is a valid key.
+ */
+
+#define DST_KEY_FORMATSIZE (DNS_NAME_FORMATSIZE + DNS_SECALG_FORMATSIZE + 7)
+
+void
+dst_key_format(const dst_key_t *key, char *cp, unsigned int size);
+/*%<
+ * Write the uniquely identifying information about the key (name,
+ * algorithm, key ID) into a string 'cp' of size 'size'.
+ */
+
+
+isc_buffer_t *
+dst_key_tkeytoken(const dst_key_t *key);
+/*%<
+ * Return the token from the TKEY request, if any.  If this key was
+ * not negotiated via TKEY, return NULL.
+ */
+
+
+isc_result_t
+dst_key_dump(dst_key_t *key, isc_mem_t *mctx, char **buffer, int *length);
+/*%<
+ * Allocate 'buffer' and dump the key into it in base64 format. The buffer
+ * is not NUL terminated. The length of the buffer is returned in *length.
+ *
+ * 'buffer' needs to be freed using isc_mem_put(mctx, buffer, length);
+ *
+ * Requires:
+ *	'buffer' to be non NULL and *buffer to be NULL.
+ *	'length' to be non NULL and *length to be zero.
+ *
+ * Returns:
+ *	ISC_R_SUCCESS
+ *	ISC_R_NOMEMORY
+ *	ISC_R_NOTIMPLEMENTED
+ *	others.
+ */
+
+isc_result_t
+dst_key_restore(dns_name_t *name, unsigned int alg, unsigned int flags,
+		unsigned int protocol, dns_rdataclass_t rdclass,
+		isc_mem_t *mctx, const char *keystr, dst_key_t **keyp);
+
+
 ISC_LANG_ENDDECLS
 
 #endif /* DST_DST_H */
diff --git a/lib/dns/include/dst/gssapi.h b/lib/dns/include/dst/gssapi.h
index 0a468d3..189e6b5 100644
--- a/lib/dns/include/dst/gssapi.h
+++ b/lib/dns/include/dst/gssapi.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2009-2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: gssapi.h,v 1.9.332.2 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: gssapi.h,v 1.16 2011-01-08 23:47:01 tbox Exp $ */
 
 #ifndef DST_GSSAPI_H
 #define DST_GSSAPI_H 1
@@ -34,8 +34,12 @@
  * MSVC does not like macros in #include lines.
  */
 #include 
+#include 
 #else
 #include ISC_PLATFORM_GSSAPIHEADER
+#ifdef ISC_PLATFORM_GSSAPI_KRB5_HEADER
+#include ISC_PLATFORM_GSSAPI_KRB5_HEADER
+#endif
 #endif
 #ifndef GSS_SPNEGO_MECHANISM
 #define GSS_SPNEGO_MECHANISM ((void*)0)
@@ -90,7 +94,8 @@ dst_gssapi_releasecred(gss_cred_id_t *cred);
 
 isc_result_t
 dst_gssapi_initctx(dns_name_t *name, isc_buffer_t *intoken,
-		   isc_buffer_t *outtoken, gss_ctx_id_t *gssctx);
+		   isc_buffer_t *outtoken, gss_ctx_id_t *gssctx,
+		   isc_mem_t *mctx, char **err_message);
 /*
  *	Initiates a GSS context.
  *
@@ -108,10 +113,12 @@ dst_gssapi_initctx(dns_name_t *name, isc_buffer_t *intoken,
  *		ISC_R_SUCCESS   msg was successfully updated to include the
  * 				query to be sent
  *		other		an error occurred while building the message
+ *		*err_message	optional error message
  */
 
 isc_result_t
 dst_gssapi_acceptctx(gss_cred_id_t cred,
+		     const char *gssapi_keytab,
 		     isc_region_t *intoken, isc_buffer_t **outtoken,
 		     gss_ctx_id_t *context, dns_name_t *principal,
 		     isc_mem_t *mctx);
diff --git a/lib/dns/iptable.c b/lib/dns/iptable.c
index 071f9a6..7c334dd 100644
--- a/lib/dns/iptable.c
+++ b/lib/dns/iptable.c
@@ -14,7 +14,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: iptable.c,v 1.12.44.3 2009-02-18 23:47:12 tbox Exp $ */
+/* $Id: iptable.c,v 1.15 2009-02-18 23:47:48 tbox Exp $ */
 
 #include 
 
diff --git a/lib/dns/journal.c b/lib/dns/journal.c
index 520083e..a6d630e 100644
--- a/lib/dns/journal.c
+++ b/lib/dns/journal.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: journal.c,v 1.103.48.8 2010-11-17 23:45:45 tbox Exp $ */
+/* $Id: journal.c,v 1.112 2010-11-17 23:47:08 tbox Exp $ */
 
 #include 
 
@@ -562,11 +562,9 @@ journal_open(isc_mem_t *mctx, const char *filename, isc_boolean_t write,
 
 	if (result == ISC_R_FILENOTFOUND) {
 		if (create) {
-			isc_log_write(JOURNAL_COMMON_LOGARGS,
-				      ISC_LOG_INFO,
+			isc_log_write(JOURNAL_COMMON_LOGARGS, ISC_LOG_DEBUG(1),
 				      "journal file %s does not exist, "
-				      "creating it",
-				      j->filename);
+				      "creating it", j->filename);
 			CHECK(journal_file_create(mctx, filename));
 			/*
 			 * Retry.
diff --git a/lib/dns/keydata.c b/lib/dns/keydata.c
new file mode 100644
index 0000000..c2f82c8
--- /dev/null
+++ b/lib/dns/keydata.c
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: keydata.c,v 1.3 2009-07-01 23:47:36 tbox Exp $ */
+
+/*! \file */
+
+#include 
+
+
+#include 
+#include 
+#include 
+#include 
+
+#include 
+#include 
+#include 
+
+isc_result_t
+dns_keydata_todnskey(dns_rdata_keydata_t *keydata,
+		     dns_rdata_dnskey_t *dnskey, isc_mem_t *mctx)
+{
+	REQUIRE(keydata != NULL && dnskey != NULL);
+
+	dnskey->common.rdtype = dns_rdatatype_dnskey;
+	dnskey->common.rdclass = keydata->common.rdclass;
+	dnskey->mctx = mctx;
+	dnskey->flags = keydata->flags;
+	dnskey->protocol = keydata->protocol;
+	dnskey->algorithm = keydata->algorithm;
+
+	dnskey->datalen = keydata->datalen;
+
+	if (mctx == NULL)
+		dnskey->data = keydata->data;
+	else {
+		dnskey->data = isc_mem_allocate(mctx, dnskey->datalen);
+		if (dnskey->data == NULL)
+			return (ISC_R_NOMEMORY);
+		memcpy(dnskey->data, keydata->data, dnskey->datalen);
+	}
+
+	return (ISC_R_SUCCESS);
+}
+
+isc_result_t
+dns_keydata_fromdnskey(dns_rdata_keydata_t *keydata,
+		       dns_rdata_dnskey_t *dnskey,
+		       isc_uint32_t refresh, isc_uint32_t addhd,
+		       isc_uint32_t removehd, isc_mem_t *mctx)
+{
+	REQUIRE(keydata != NULL && dnskey != NULL);
+
+	keydata->common.rdtype = dns_rdatatype_keydata;
+	keydata->common.rdclass = dnskey->common.rdclass;
+	keydata->mctx = mctx;
+	keydata->refresh = refresh;
+	keydata->addhd = addhd;
+	keydata->removehd = removehd;
+	keydata->flags = dnskey->flags;
+	keydata->protocol = dnskey->protocol;
+	keydata->algorithm = dnskey->algorithm;
+
+	keydata->datalen = dnskey->datalen;
+	if (mctx == NULL)
+		keydata->data = dnskey->data;
+	else {
+		keydata->data = isc_mem_allocate(mctx, keydata->datalen);
+		if (keydata->data == NULL)
+			return (ISC_R_NOMEMORY);
+		memcpy(keydata->data, dnskey->data, keydata->datalen);
+	}
+
+	return (ISC_R_SUCCESS);
+}
diff --git a/lib/dns/keytable.c b/lib/dns/keytable.c
index 874868d..3edc3d6 100644
--- a/lib/dns/keytable.c
+++ b/lib/dns/keytable.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009, 2010  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: keytable.c,v 1.34 2007-06-19 23:47:16 tbox Exp $ */
+/* $Id: keytable.c,v 1.41 2010-06-25 23:46:51 tbox Exp $ */
 
 /*! \file */
 
@@ -31,41 +31,12 @@
 #include 
 #include 
 
-struct dns_keytable {
-	/* Unlocked. */
-	unsigned int		magic;
-	isc_mem_t		*mctx;
-	isc_mutex_t		lock;
-	isc_rwlock_t		rwlock;
-	/* Locked by lock. */
-	isc_uint32_t		active_nodes;
-	/* Locked by rwlock. */
-	isc_uint32_t		references;
-	dns_rbt_t		*table;
-};
-
-#define KEYTABLE_MAGIC			ISC_MAGIC('K', 'T', 'b', 'l')
-#define VALID_KEYTABLE(kt)	 	ISC_MAGIC_VALID(kt, KEYTABLE_MAGIC)
-
-struct dns_keynode {
-	unsigned int		magic;
-	dst_key_t *		key;
-	struct dns_keynode *	next;
-};
-
-#define KEYNODE_MAGIC			ISC_MAGIC('K', 'N', 'o', 'd')
-#define VALID_KEYNODE(kn)	 	ISC_MAGIC_VALID(kn, KEYNODE_MAGIC)
-
 static void
 free_keynode(void *node, void *arg) {
 	dns_keynode_t *keynode = node;
 	isc_mem_t *mctx = arg;
 
-	REQUIRE(VALID_KEYNODE(keynode));
-	dst_key_free(&keynode->key);
-	if (keynode->next != NULL)
-		free_keynode(keynode->next, mctx);
-	isc_mem_put(mctx, keynode, sizeof(dns_keynode_t));
+	dns_keynode_detachall(mctx, &keynode);
 }
 
 isc_result_t
@@ -116,7 +87,6 @@ dns_keytable_create(isc_mem_t *mctx, dns_keytable_t **keytablep) {
 	return (result);
 }
 
-
 void
 dns_keytable_attach(dns_keytable_t *source, dns_keytable_t **targetp) {
 
@@ -173,50 +143,224 @@ dns_keytable_detach(dns_keytable_t **keytablep) {
 	*keytablep = NULL;
 }
 
-isc_result_t
-dns_keytable_add(dns_keytable_t *keytable, dst_key_t **keyp) {
+static isc_result_t
+insert(dns_keytable_t *keytable, isc_boolean_t managed,
+       dns_name_t *keyname, dst_key_t **keyp)
+{
 	isc_result_t result;
-	dns_keynode_t *knode;
+	dns_keynode_t *knode = NULL;
 	dns_rbtnode_t *node;
-	dns_name_t *keyname;
-
-	/*
-	 * Add '*keyp' to 'keytable'.
-	 */
 
+	REQUIRE(keyp == NULL || *keyp != NULL);
 	REQUIRE(VALID_KEYTABLE(keytable));
-	REQUIRE(keyp != NULL);
 
-	keyname = dst_key_name(*keyp);
+	result = dns_keynode_create(keytable->mctx, &knode);
+	if (result != ISC_R_SUCCESS)
+		return (result);
 
-	knode = isc_mem_get(keytable->mctx, sizeof(*knode));
-	if (knode == NULL)
-		return (ISC_R_NOMEMORY);
+	knode->managed = managed;
 
 	RWLOCK(&keytable->rwlock, isc_rwlocktype_write);
 
 	node = NULL;
 	result = dns_rbt_addnode(keytable->table, keyname, &node);
 
-	if (result == ISC_R_SUCCESS || result == ISC_R_EXISTS) {
-		knode->magic = KEYNODE_MAGIC;
-		knode->key = *keyp;
-		knode->next = node->data;
+	if (keyp != NULL) {
+		if (result == ISC_R_EXISTS) {
+			/* Key already in table? */
+			dns_keynode_t *k;
+			for (k = node->data; k != NULL; k = k->next) {
+				if (k->key == NULL) {
+					k->key = *keyp;
+					break;
+				}
+				if (dst_key_compare(k->key, *keyp) == ISC_TRUE)
+					break;
+			}
+
+			if (k == NULL)
+				result = ISC_R_SUCCESS;
+			else
+				dst_key_free(keyp);
+		}
+
+		if (result == ISC_R_SUCCESS) {
+			knode->key = *keyp;
+			knode->next = node->data;
+			*keyp = NULL;
+		}
+	}
+
+	if (result == ISC_R_SUCCESS) {
 		node->data = knode;
-		*keyp = NULL;
 		knode = NULL;
-		result = ISC_R_SUCCESS;
 	}
 
+	/* Key was already there?  That's the same as a success */
+	if (result == ISC_R_EXISTS)
+		result = ISC_R_SUCCESS;
+
 	RWUNLOCK(&keytable->rwlock, isc_rwlocktype_write);
 
 	if (knode != NULL)
-		isc_mem_put(keytable->mctx, knode, sizeof(*knode));
+		dns_keynode_detach(keytable->mctx, &knode);
+
+	return (result);
+}
+
+isc_result_t
+dns_keytable_add(dns_keytable_t *keytable, isc_boolean_t managed,
+		 dst_key_t **keyp)
+{
+	REQUIRE(keyp != NULL && *keyp != NULL);
+	return (insert(keytable, managed, dst_key_name(*keyp), keyp));
+}
+
+isc_result_t
+dns_keytable_marksecure(dns_keytable_t *keytable, dns_name_t *name) {
+	return (insert(keytable, ISC_TRUE, name, NULL));
+}
+
+isc_result_t
+dns_keytable_delete(dns_keytable_t *keytable, dns_name_t *keyname) {
+	isc_result_t result;
+	dns_rbtnode_t *node = NULL;
+
+	REQUIRE(VALID_KEYTABLE(keytable));
+	REQUIRE(keyname != NULL);
+
+	RWLOCK(&keytable->rwlock, isc_rwlocktype_write);
+	result = dns_rbt_findnode(keytable->table, keyname, NULL, &node, NULL,
+				  DNS_RBTFIND_NOOPTIONS, NULL, NULL);
+	if (result == ISC_R_SUCCESS) {
+		if (node->data != NULL)
+			result = dns_rbt_deletenode(keytable->table,
+						    node, ISC_FALSE);
+		else
+			result = ISC_R_NOTFOUND;
+	} else if (result == DNS_R_PARTIALMATCH)
+		result = ISC_R_NOTFOUND;
+	RWUNLOCK(&keytable->rwlock, isc_rwlocktype_write);
 
 	return (result);
 }
 
 isc_result_t
+dns_keytable_deletekeynode(dns_keytable_t *keytable, dst_key_t *dstkey) {
+	isc_result_t result;
+	dns_name_t *keyname;
+	dns_rbtnode_t *node = NULL;
+	dns_keynode_t *knode = NULL, **kprev = NULL;
+
+	REQUIRE(VALID_KEYTABLE(keytable));
+	REQUIRE(dstkey != NULL);
+
+	keyname = dst_key_name(dstkey);
+
+	RWLOCK(&keytable->rwlock, isc_rwlocktype_write);
+	result = dns_rbt_findnode(keytable->table, keyname, NULL, &node, NULL,
+				  DNS_RBTFIND_NOOPTIONS, NULL, NULL);
+
+	if (result == DNS_R_PARTIALMATCH)
+		result = ISC_R_NOTFOUND;
+	if (result != ISC_R_SUCCESS)
+		goto finish;
+
+	if (node->data == NULL) {
+		result = ISC_R_NOTFOUND;
+		goto finish;
+	}
+
+	knode = node->data;
+	if (knode->next == NULL &&
+	    (knode->key == NULL ||
+	     dst_key_compare(knode->key, dstkey) == ISC_TRUE)) {
+		result = dns_rbt_deletenode(keytable->table, node, ISC_FALSE);
+		goto finish;
+	}
+
+	kprev = (dns_keynode_t **) &node->data;
+	while (knode != NULL) {
+		if (dst_key_compare(knode->key, dstkey) == ISC_TRUE)
+			break;
+		kprev = &knode->next;
+		knode = knode->next;
+	}
+
+	if (knode != NULL) {
+		if (knode->key != NULL)
+			dst_key_free(&knode->key);
+		/*
+		 * This is equivalent to:
+		 * dns_keynode_attach(knode->next, &tmp);
+		 * dns_keynode_detach(kprev);
+		 * dns_keynode_attach(tmp, &kprev);
+		 * dns_keynode_detach(&tmp);
+		 */
+		*kprev = knode->next;
+		knode->next = NULL;
+		dns_keynode_detach(keytable->mctx, &knode);
+	} else
+		result = DNS_R_PARTIALMATCH;
+  finish:
+	RWUNLOCK(&keytable->rwlock, isc_rwlocktype_write);
+	return (result);
+}
+
+isc_result_t
+dns_keytable_find(dns_keytable_t *keytable, dns_name_t *keyname,
+		  dns_keynode_t **keynodep)
+{
+	isc_result_t result;
+	dns_rbtnode_t *node = NULL;
+
+	REQUIRE(VALID_KEYTABLE(keytable));
+	REQUIRE(keyname != NULL);
+	REQUIRE(keynodep != NULL && *keynodep == NULL);
+
+	RWLOCK(&keytable->rwlock, isc_rwlocktype_read);
+	result = dns_rbt_findnode(keytable->table, keyname, NULL, &node, NULL,
+				  DNS_RBTFIND_NOOPTIONS, NULL, NULL);
+	if (result == ISC_R_SUCCESS) {
+		if (node->data != NULL) {
+			LOCK(&keytable->lock);
+			keytable->active_nodes++;
+			UNLOCK(&keytable->lock);
+			dns_keynode_attach(node->data, keynodep);
+		} else
+			result = ISC_R_NOTFOUND;
+	} else if (result == DNS_R_PARTIALMATCH)
+		result = ISC_R_NOTFOUND;
+	RWUNLOCK(&keytable->rwlock, isc_rwlocktype_read);
+
+	return (result);
+}
+
+isc_result_t
+dns_keytable_nextkeynode(dns_keytable_t *keytable, dns_keynode_t *keynode,
+			 dns_keynode_t **nextnodep)
+{
+	/*
+	 * Return the next key after 'keynode', regardless of
+	 * properties.
+	 */
+
+	REQUIRE(VALID_KEYTABLE(keytable));
+	REQUIRE(VALID_KEYNODE(keynode));
+	REQUIRE(nextnodep != NULL && *nextnodep == NULL);
+
+	if (keynode->next == NULL)
+		return (ISC_R_NOTFOUND);
+
+	dns_keynode_attach(keynode->next, nextnodep);
+	LOCK(&keytable->lock);
+	keytable->active_nodes++;
+	UNLOCK(&keytable->lock);
+
+	return (ISC_R_SUCCESS);
+}
+
+isc_result_t
 dns_keytable_findkeynode(dns_keytable_t *keytable, dns_name_t *name,
 			 dns_secalg_t algorithm, dns_keytag_t tag,
 			 dns_keynode_t **keynodep)
@@ -250,6 +394,10 @@ dns_keytable_findkeynode(dns_keytable_t *keytable, dns_name_t *name,
 	if (result == ISC_R_SUCCESS) {
 		INSIST(data != NULL);
 		for (knode = data; knode != NULL; knode = knode->next) {
+			if (knode->key == NULL) {
+				knode = NULL;
+				break;
+			}
 			if (algorithm == dst_key_alg(knode->key)
 			    && tag == dst_key_id(knode->key))
 				break;
@@ -258,7 +406,7 @@ dns_keytable_findkeynode(dns_keytable_t *keytable, dns_name_t *name,
 			LOCK(&keytable->lock);
 			keytable->active_nodes++;
 			UNLOCK(&keytable->lock);
-			*keynodep = knode;
+			dns_keynode_attach(knode, keynodep);
 		} else
 			result = DNS_R_PARTIALMATCH;
 	} else if (result == DNS_R_PARTIALMATCH)
@@ -286,6 +434,10 @@ dns_keytable_findnextkeynode(dns_keytable_t *keytable, dns_keynode_t *keynode,
 	REQUIRE(nextnodep != NULL && *nextnodep == NULL);
 
 	for (knode = keynode->next; knode != NULL; knode = knode->next) {
+		if (knode->key == NULL) {
+			knode = NULL;
+			break;
+		}
 		if (dst_key_alg(keynode->key) == dst_key_alg(knode->key) &&
 		    dst_key_id(keynode->key) == dst_key_id(knode->key))
 			break;
@@ -295,7 +447,7 @@ dns_keytable_findnextkeynode(dns_keytable_t *keytable, dns_keynode_t *keynode,
 		keytable->active_nodes++;
 		UNLOCK(&keytable->lock);
 		result = ISC_R_SUCCESS;
-		*nextnodep = knode;
+		dns_keynode_attach(knode, nextnodep);
 	} else
 		result = ISC_R_NOTFOUND;
 
@@ -331,6 +483,25 @@ dns_keytable_finddeepestmatch(dns_keytable_t *keytable, dns_name_t *name,
 }
 
 void
+dns_keytable_attachkeynode(dns_keytable_t *keytable, dns_keynode_t *source,
+			   dns_keynode_t **target)
+{
+	/*
+	 * Give back a keynode found via dns_keytable_findkeynode().
+	 */
+
+	REQUIRE(VALID_KEYTABLE(keytable));
+	REQUIRE(VALID_KEYNODE(source));
+	REQUIRE(target != NULL && *target == NULL);
+
+	LOCK(&keytable->lock);
+	keytable->active_nodes++;
+	UNLOCK(&keytable->lock);
+
+	dns_keynode_attach(source, target);
+}
+
+void
 dns_keytable_detachkeynode(dns_keytable_t *keytable, dns_keynode_t **keynodep)
 {
 	/*
@@ -345,7 +516,7 @@ dns_keytable_detachkeynode(dns_keytable_t *keytable, dns_keynode_t **keynodep)
 	keytable->active_nodes--;
 	UNLOCK(&keytable->lock);
 
-	*keynodep = NULL;
+	dns_keynode_detach(keytable->mctx, keynodep);
 }
 
 isc_result_t
@@ -382,6 +553,44 @@ dns_keytable_issecuredomain(dns_keytable_t *keytable, dns_name_t *name,
 	return (result);
 }
 
+isc_result_t
+dns_keytable_dump(dns_keytable_t *keytable, FILE *fp)
+{
+	isc_result_t result;
+	dns_keynode_t *knode;
+	dns_rbtnode_t *node;
+	dns_rbtnodechain_t chain;
+
+	REQUIRE(VALID_KEYTABLE(keytable));
+
+	RWLOCK(&keytable->rwlock, isc_rwlocktype_read);
+	dns_rbtnodechain_init(&chain, keytable->mctx);
+	result = dns_rbtnodechain_first(&chain, keytable->table, NULL, NULL);
+	if (result != ISC_R_SUCCESS && result != DNS_R_NEWORIGIN)
+		goto cleanup;
+	for (;;) {
+		char pbuf[DST_KEY_FORMATSIZE];
+
+		dns_rbtnodechain_current(&chain, NULL, NULL, &node);
+		for (knode = node->data; knode != NULL; knode = knode->next) {
+			dst_key_format(knode->key, pbuf, sizeof(pbuf));
+			fprintf(fp, "%s ; %s\n", pbuf,
+				knode->managed ? "managed" : "trusted");
+		}
+		result = dns_rbtnodechain_next(&chain, NULL, NULL);
+		if (result != ISC_R_SUCCESS && result != DNS_R_NEWORIGIN) {
+			if (result == ISC_R_NOMORE)
+				result = ISC_R_SUCCESS;
+			break;
+		}
+	}
+
+   cleanup:
+	dns_rbtnodechain_invalidate(&chain);
+	RWUNLOCK(&keytable->rwlock, isc_rwlocktype_read);
+	return (result);
+}
+
 dst_key_t *
 dns_keynode_key(dns_keynode_t *keynode) {
 
@@ -393,3 +602,71 @@ dns_keynode_key(dns_keynode_t *keynode) {
 
 	return (keynode->key);
 }
+
+isc_boolean_t
+dns_keynode_managed(dns_keynode_t *keynode) {
+	/*
+	 * Is this a managed key?
+	 */
+	REQUIRE(VALID_KEYNODE(keynode));
+
+	return (keynode->managed);
+}
+
+isc_result_t
+dns_keynode_create(isc_mem_t *mctx, dns_keynode_t **target) {
+	isc_result_t result;
+	dns_keynode_t *knode = NULL;
+
+	REQUIRE(target != NULL && *target == NULL);
+
+	knode = isc_mem_get(mctx, sizeof(dns_keynode_t));
+	if (knode == NULL)
+		return (ISC_R_NOMEMORY);
+
+	knode->magic = KEYNODE_MAGIC;
+	knode->managed = ISC_FALSE;
+	knode->key = NULL;
+	knode->next = NULL;
+
+	result = isc_refcount_init(&knode->refcount, 1);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+
+	*target = knode;
+	return (ISC_R_SUCCESS);
+}
+
+void
+dns_keynode_attach(dns_keynode_t *source, dns_keynode_t **target) {
+	REQUIRE(VALID_KEYNODE(source));
+	isc_refcount_increment(&source->refcount, NULL);
+	*target = source;
+}
+
+void
+dns_keynode_detach(isc_mem_t *mctx, dns_keynode_t **keynode) {
+	unsigned int refs;
+	dns_keynode_t *node = *keynode;
+	REQUIRE(VALID_KEYNODE(node));
+	isc_refcount_decrement(&node->refcount, &refs);
+	if (refs == 0) {
+		if (node->key != NULL)
+			dst_key_free(&node->key);
+		isc_refcount_destroy(&node->refcount);
+		isc_mem_put(mctx, node, sizeof(dns_keynode_t));
+	}
+	*keynode = NULL;
+}
+
+void
+dns_keynode_detachall(isc_mem_t *mctx, dns_keynode_t **keynode) {
+	dns_keynode_t *next = NULL, *node = *keynode;
+	REQUIRE(VALID_KEYNODE(node));
+	while (node != NULL) {
+		next = node->next;
+		dns_keynode_detach(mctx, &node);
+		node = next;
+	}
+	*keynode = NULL;
+}
diff --git a/lib/dns/lib.c b/lib/dns/lib.c
index 761be56..6953c88 100644
--- a/lib/dns/lib.c
+++ b/lib/dns/lib.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: lib.c,v 1.16 2007-06-19 23:47:16 tbox Exp $ */
+/* $Id: lib.c,v 1.19 2009-09-03 00:12:23 each Exp $ */
 
 /*! \file */
 
@@ -23,11 +23,20 @@
 
 #include 
 
-#include 
+#include 
+#include 
 #include 
+#include 
+#include 
 #include 
 
+#include 
+#include 
 #include 
+#include 
+
+#include 
+
 
 /***
  *** Globals
@@ -63,3 +72,97 @@ dns_lib_initmsgcat(void) {
 
 	RUNTIME_CHECK(isc_once_do(&msgcat_once, open_msgcat) == ISC_R_SUCCESS);
 }
+
+static isc_once_t init_once = ISC_ONCE_INIT;
+static isc_mem_t *dns_g_mctx = NULL;
+#ifndef BIND9
+static dns_dbimplementation_t *dbimp = NULL;
+#endif
+static isc_boolean_t initialize_done = ISC_FALSE;
+static isc_mutex_t reflock;
+static unsigned int references = 0;
+
+static void
+initialize(void) {
+	isc_result_t result;
+
+	REQUIRE(initialize_done == ISC_FALSE);
+
+	result = isc_mem_create(0, 0, &dns_g_mctx);
+	if (result != ISC_R_SUCCESS)
+		return;
+	dns_result_register();
+#ifndef BIND9
+	result = dns_ecdb_register(dns_g_mctx, &dbimp);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup_mctx;
+#endif
+	result = isc_hash_create(dns_g_mctx, NULL, DNS_NAME_MAXWIRE);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup_db;
+
+	result = dst_lib_init(dns_g_mctx, NULL, 0);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup_hash;
+
+	result = isc_mutex_init(&reflock);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup_dst;
+
+	initialize_done = ISC_TRUE;
+	return;
+
+  cleanup_dst:
+	dst_lib_destroy();
+  cleanup_hash:
+	isc_hash_destroy();
+  cleanup_db:
+#ifndef BIND9
+	dns_ecdb_unregister(&dbimp);
+  cleanup_mctx:
+#endif
+	isc_mem_detach(&dns_g_mctx);
+}
+
+isc_result_t
+dns_lib_init(void) {
+	isc_result_t result;
+
+	/*
+	 * Since this routine is expected to be used by a normal application,
+	 * it should be better to return an error, instead of an emergency
+	 * abort, on any failure.
+	 */
+	result = isc_once_do(&init_once, initialize);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+
+	if (!initialize_done)
+		return (ISC_R_FAILURE);
+
+	LOCK(&reflock);
+	references++;
+	UNLOCK(&reflock);
+
+	return (ISC_R_SUCCESS);
+}
+
+void
+dns_lib_shutdown(void) {
+	isc_boolean_t cleanup_ok = ISC_FALSE;
+
+	LOCK(&reflock);
+	if (--references == 0)
+		cleanup_ok = ISC_TRUE;
+	UNLOCK(&reflock);
+
+	if (!cleanup_ok)
+		return;
+
+	dst_lib_destroy();
+	isc_hash_destroy();
+#ifndef BIND9
+	dns_ecdb_unregister(&dbimp);
+#endif
+	isc_mem_detach(&dns_g_mctx);
+}
diff --git a/lib/dns/log.c b/lib/dns/log.c
index 5b3ee32..9de5976 100644
--- a/lib/dns/log.c
+++ b/lib/dns/log.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001, 2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: log.c,v 1.45 2007-06-18 23:47:40 tbox Exp $ */
+/* $Id: log.c,v 1.47 2009-12-18 23:49:03 tbox Exp $ */
 
 /*! \file */
 
@@ -79,6 +79,7 @@ LIBDNS_EXTERNAL_DATA isc_logmodule_t dns_modules[] = {
 	{ "dns/hints",		0 },
 	{ "dns/acache",		0 },
 	{ "dns/dlz",		0 },
+	{ "dns/dnssec",		0 },
 	{ NULL, 		0 }
 };
 
diff --git a/lib/dns/master.c b/lib/dns/master.c
index 9c6d3b8..e90a74c 100644
--- a/lib/dns/master.c
+++ b/lib/dns/master.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: master.c,v 1.171.120.2 2009-01-18 23:47:40 tbox Exp $ */
+/* $Id: master.c,v 1.178 2009-09-01 00:22:26 jinmei Exp $ */
 
 /*! \file */
 
@@ -85,7 +85,11 @@
  */
 #define TOKENSIZ (8*1024)
 
-#define DNS_MASTER_BUFSZ 2048
+/*%
+ * Buffers sizes for $GENERATE.
+ */
+#define DNS_MASTER_LHS 2048
+#define DNS_MASTER_RHS MINTSIZ
 
 typedef ISC_LIST(dns_rdatalist_t) rdatalist_head_t;
 
@@ -614,6 +618,57 @@ loadctx_create(dns_masterformat_t format, isc_mem_t *mctx,
 	return (result);
 }
 
+static const char *hex = "0123456789abcdef0123456789ABCDEF";
+
+/*%
+ * Convert value into a nibble sequence from least significant to most
+ * significant nibble.  Zero fill upper most significant nibbles if
+ * required to make the width.
+ *
+ * Returns the number of characters that should have been written without
+ * counting the terminating NUL.
+ */
+static unsigned int
+nibbles(char *numbuf, size_t length, unsigned int width, char mode, int value) {
+	unsigned int count = 0;
+
+	/*
+	 * This reserve space for the NUL string terminator.
+	 */
+	if (length > 0U) {
+		*numbuf = '\0';
+		length--;
+	}
+	do {
+		char val = hex[(value & 0x0f) + ((mode == 'n') ? 0 : 16)];
+		value >>= 4;
+		if (length > 0U) {
+			*numbuf++ = val;
+			*numbuf = '\0';
+			length--;
+		}
+		if (width > 0)
+			width--;
+		count++;
+		/*
+		 * If width is non zero then we need to add a label seperator.
+		 * If value is non zero then we need to add another label and
+		 * that requires a label seperator.
+		 */
+		if (width > 0 || value != 0) {
+			if (length > 0U) {
+				*numbuf++ = '.';
+				*numbuf = '\0';
+				length--;
+			}
+			if (width > 0)
+				width--;
+			count++;
+		}
+	} while (value != 0 || width > 0);
+	return (count);
+}
+
 static isc_result_t
 genname(char *name, int it, char *buffer, size_t length) {
 	char fmt[sizeof("%04000000000d")];
@@ -624,6 +679,7 @@ genname(char *name, int it, char *buffer, size_t length) {
 	isc_textregion_t r;
 	unsigned int n;
 	unsigned int width;
+	isc_boolean_t nibblemode;
 
 	r.base = buffer;
 	r.length = length;
@@ -638,10 +694,11 @@ genname(char *name, int it, char *buffer, size_t length) {
 				isc_textregion_consume(&r, 1);
 				continue;
 			}
+			nibblemode = ISC_FALSE;
 			strcpy(fmt, "%d");
 			/* Get format specifier. */
 			if (*name == '{' ) {
-				n = sscanf(name, "{%d,%u,%1[doxX]}",
+				n = sscanf(name, "{%d,%u,%1[doxXnN]}",
 					   &delta, &width, mode);
 				switch (n) {
 				case 1:
@@ -651,6 +708,8 @@ genname(char *name, int it, char *buffer, size_t length) {
 						     "%%0%ud", width);
 					break;
 				case 3:
+					if (mode[0] == 'n' || mode[0] == 'N')
+						nibblemode = ISC_TRUE;
 					n = snprintf(fmt, sizeof(fmt),
 						     "%%0%u%c", width, mode[0]);
 					break;
@@ -663,7 +722,12 @@ genname(char *name, int it, char *buffer, size_t length) {
 				while (*name != '\0' && *name++ != '}')
 					continue;
 			}
-			n = snprintf(numbuf, sizeof(numbuf), fmt, it + delta);
+			if (nibblemode)
+				n = nibbles(numbuf, sizeof(numbuf), width,
+					    mode[0], it + delta);
+			else
+				n = snprintf(numbuf, sizeof(numbuf), fmt,
+					     it + delta);
 			if (n >= sizeof(numbuf))
 				return (ISC_R_NOSPACE);
 			cp = numbuf;
@@ -746,8 +810,8 @@ generate(dns_loadctx_t *lctx, char *range, char *lhs, char *gtype, char *rhs,
 	ISC_LIST_INIT(head);
 
 	target_mem = isc_mem_get(lctx->mctx, target_size);
-	rhsbuf = isc_mem_get(lctx->mctx, DNS_MASTER_BUFSZ);
-	lhsbuf = isc_mem_get(lctx->mctx, DNS_MASTER_BUFSZ);
+	rhsbuf = isc_mem_get(lctx->mctx, DNS_MASTER_RHS);
+	lhsbuf = isc_mem_get(lctx->mctx, DNS_MASTER_LHS);
 	if (target_mem == NULL || rhsbuf == NULL || lhsbuf == NULL) {
 		result = ISC_R_NOMEMORY;
 		goto error_cleanup;
@@ -778,35 +842,13 @@ generate(dns_loadctx_t *lctx, char *range, char *lhs, char *gtype, char *rhs,
 		goto insist_cleanup;
 	}
 
-	switch (type) {
-	case dns_rdatatype_ns:
-	case dns_rdatatype_ptr:
-	case dns_rdatatype_cname:
-	case dns_rdatatype_dname:
-		break;
-
-	case dns_rdatatype_a:
-	case dns_rdatatype_aaaa:
-		if (lctx->zclass == dns_rdataclass_in ||
-		    lctx->zclass == dns_rdataclass_ch ||
-		    lctx->zclass == dns_rdataclass_hs)
-			break;
-		/* FALLTHROUGH */
-	default:
-	       (*callbacks->error)(callbacks,
-				  "%s: %s:%lu: unsupported type '%s'",
-				  "$GENERATE", source, line, gtype);
-		result = ISC_R_NOTIMPLEMENTED;
-		goto error_cleanup;
-	}
-
 	ISC_LIST_INIT(rdatalist.rdata);
 	ISC_LINK_INIT(&rdatalist, link);
 	for (i = start; i <= stop; i += step) {
-		result = genname(lhs, i, lhsbuf, DNS_MASTER_BUFSZ);
+		result = genname(lhs, i, lhsbuf, DNS_MASTER_LHS);
 		if (result != ISC_R_SUCCESS)
 			goto error_cleanup;
-		result = genname(rhs, i, rhsbuf, DNS_MASTER_BUFSZ);
+		result = genname(rhs, i, rhsbuf, DNS_MASTER_RHS);
 		if (result != ISC_R_SUCCESS)
 			goto error_cleanup;
 
@@ -820,6 +862,7 @@ generate(dns_loadctx_t *lctx, char *range, char *lhs, char *gtype, char *rhs,
 
 		if ((lctx->options & DNS_MASTER_ZONE) != 0 &&
 		    (lctx->options & DNS_MASTER_SLAVE) == 0 &&
+		    (lctx->options & DNS_MASTER_KEY) == 0 &&
 		    !dns_name_issubdomain(owner, lctx->top))
 		{
 			char namebuf[DNS_NAME_FORMATSIZE];
@@ -880,9 +923,9 @@ generate(dns_loadctx_t *lctx, char *range, char *lhs, char *gtype, char *rhs,
 	if (target_mem != NULL)
 		isc_mem_put(lctx->mctx, target_mem, target_size);
 	if (lhsbuf != NULL)
-		isc_mem_put(lctx->mctx, lhsbuf, DNS_MASTER_BUFSZ);
+		isc_mem_put(lctx->mctx, lhsbuf, DNS_MASTER_LHS);
 	if (rhsbuf != NULL)
-		isc_mem_put(lctx->mctx, rhsbuf, DNS_MASTER_BUFSZ);
+		isc_mem_put(lctx->mctx, rhsbuf, DNS_MASTER_RHS);
 	return (result);
 }
 
@@ -1270,7 +1313,8 @@ load_text(dns_loadctx_t *lctx) {
 					goto log_and_cleanup;
 				}
 				/* RHS */
-				GETTOKEN(lctx->lex, 0, &token, ISC_FALSE);
+				GETTOKEN(lctx->lex, ISC_LEXOPT_QSTRING,
+					 &token, ISC_FALSE);
 				rhs = isc_mem_strdup(mctx, DNS_AS_STR(token));
 				if (rhs == NULL) {
 					result = ISC_R_NOMEMORY;
@@ -1338,7 +1382,7 @@ load_text(dns_loadctx_t *lctx) {
 			isc_buffer_setactive(&buffer,
 					     token.value.as_region.length);
 			result = dns_name_fromtext(new_name, &buffer,
-					  ictx->origin, ISC_FALSE, NULL);
+					  ictx->origin, 0, NULL);
 			if (MANYERRS(lctx, result)) {
 				SETRESULT(lctx, result);
 				LOGIT(result);
@@ -1459,6 +1503,7 @@ load_text(dns_loadctx_t *lctx) {
 			}
 			if ((lctx->options & DNS_MASTER_ZONE) != 0 &&
 			    (lctx->options & DNS_MASTER_SLAVE) == 0 &&
+			    (lctx->options & DNS_MASTER_KEY) == 0 &&
 			    !dns_name_issubdomain(new_name, lctx->top))
 			{
 				char namebuf[DNS_NAME_FORMATSIZE];
diff --git a/lib/dns/masterdump.c b/lib/dns/masterdump.c
index d6befb5..e2adf9b 100644
--- a/lib/dns/masterdump.c
+++ b/lib/dns/masterdump.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: masterdump.c,v 1.94.50.3.18.3 2011-06-21 20:13:22 each Exp $ */
+/* $Id: masterdump.c,v 1.99.328.3 2011-06-21 20:15:47 each Exp $ */
 
 /*! \file */
 
@@ -42,6 +42,7 @@
 #include 
 #include 
 #include 
+#include 
 #include 
 #include 
 #include 
@@ -60,6 +61,11 @@
 		return (_r); \
 	} while (0)
 
+#define CHECK(x) do { \
+	if ((x) != ISC_R_SUCCESS) \
+		goto cleanup; \
+	} while (0)
+
 struct dns_master_style {
 	unsigned int flags;		/* DNS_STYLEFLAG_* */
 	unsigned int ttl_column;
@@ -156,6 +162,7 @@ static char spaces[N_SPACES+1] = "          ";
 #define N_TABS 10
 static char tabs[N_TABS+1] = "\t\t\t\t\t\t\t\t\t\t";
 
+#ifdef BIND9
 struct dns_dumpctx {
 	unsigned int		magic;
 	isc_mem_t		*mctx;
@@ -183,6 +190,7 @@ struct dns_dumpctx {
 					    dns_totext_ctx_t *ctx,
 					    isc_buffer_t *buffer, FILE *f);
 };
+#endif /* BIND9 */
 
 #define NXDOMAIN(x) (((x)->attributes & DNS_RDATASETATTR_NXDOMAIN) != 0)
 
@@ -336,6 +344,52 @@ str_totext(const char *source, isc_buffer_t *target) {
 	return (ISC_R_SUCCESS);
 }
 
+static isc_result_t
+ncache_summary(dns_rdataset_t *rdataset, isc_boolean_t omit_final_dot,
+	       isc_buffer_t *target)
+{
+	isc_result_t result = ISC_R_SUCCESS;
+	dns_rdataset_t rds;
+	dns_name_t name;
+
+	dns_rdataset_init(&rds);
+	dns_name_init(&name, NULL);
+
+	do {
+		dns_ncache_current(rdataset, &name, &rds);
+		for (result = dns_rdataset_first(&rds);
+		     result == ISC_R_SUCCESS;
+		     result = dns_rdataset_next(&rds)) {
+			CHECK(str_totext("; ", target));
+			CHECK(dns_name_totext(&name, omit_final_dot, target));
+			CHECK(str_totext(" ", target));
+			CHECK(dns_rdatatype_totext(rds.type, target));
+			if (rds.type == dns_rdatatype_rrsig) {
+				CHECK(str_totext(" ", target));
+				CHECK(dns_rdatatype_totext(rds.covers, target));
+				CHECK(str_totext(" ...\n", target));
+			} else {
+				dns_rdata_t rdata = DNS_RDATA_INIT;
+				dns_rdataset_current(&rds, &rdata);
+				CHECK(str_totext(" ", target));
+				CHECK(dns_rdata_tofmttext(&rdata, dns_rootname,
+							  0, 0, " ", target));
+				CHECK(str_totext("\n", target));
+			}
+		}
+		dns_rdataset_disassociate(&rds);
+		result = dns_rdataset_next(rdataset);
+	} while (result == ISC_R_SUCCESS);
+
+	if (result == ISC_R_NOMORE)
+		result = ISC_R_SUCCESS;
+ cleanup:
+	if (dns_rdataset_isassociated(&rds))
+		dns_rdataset_disassociate(&rds);
+
+	return (result);
+}
+
 /*
  * Convert 'rdataset' to master file text format according to 'ctx',
  * storing the result in 'target'.  If 'owner_name' is NULL, it
@@ -462,6 +516,13 @@ rdataset_totext(dns_rdataset_t *rdataset,
 				RETERR(str_totext(";-$NXDOMAIN\n", target));
 			else
 				RETERR(str_totext(";-$NXRRSET\n", target));
+			/*
+			 * Print a summary of the cached records which make
+			 * up the negative response.
+			 */
+			RETERR(ncache_summary(rdataset, omit_final_dot,
+					      target));
+			break;
 		} else {
 			dns_rdata_t rdata = DNS_RDATA_INIT;
 			isc_region_t r;
@@ -637,6 +698,7 @@ dns_master_questiontotext(dns_name_t *owner_name,
 				ISC_FALSE, target));
 }
 
+#ifdef BIND9
 /*
  * Print an rdataset.  'buffer' is a scratch buffer, which must have been
  * dynamically allocated by the caller.  It must be large enough to
@@ -1692,6 +1754,7 @@ dns_master_dumpnode(isc_mem_t *mctx, dns_db_t *db, dns_dbversion_t *version,
 
 	return (result);
 }
+#endif /* BIND9 */
 
 isc_result_t
 dns_master_stylecreate(dns_master_style_t **stylep, unsigned int flags,
diff --git a/lib/dns/message.c b/lib/dns/message.c
index 2023741..b58c139 100644
--- a/lib/dns/message.c
+++ b/lib/dns/message.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: message.c,v 1.245.50.7.6.3 2011-06-21 20:13:22 each Exp $ */
+/* $Id: message.c,v 1.254.186.3 2011-06-21 20:15:47 each Exp $ */
 
 /*! \file */
 
@@ -1804,6 +1804,36 @@ wrong_priority(dns_rdataset_t *rds, int pass, dns_rdatatype_t preferred_glue) {
 	return (ISC_TRUE);
 }
 
+#ifdef ALLOW_FILTER_AAAA_ON_V4
+/*
+ * Decide whether to not answer with an AAAA record and its RRSIG
+ */
+static inline isc_boolean_t
+norender_rdataset(const dns_rdataset_t *rdataset, unsigned int options)
+{
+	switch (rdataset->type) {
+	case dns_rdatatype_aaaa:
+		if ((options & DNS_MESSAGERENDER_FILTER_AAAA) == 0)
+			return (ISC_FALSE);
+		break;
+
+	case dns_rdatatype_rrsig:
+		if ((options & DNS_MESSAGERENDER_FILTER_AAAA) == 0 ||
+		    rdataset->covers != dns_rdatatype_aaaa)
+			return (ISC_FALSE);
+		break;
+
+	default:
+		return (ISC_FALSE);
+	}
+
+	if (rdataset->rdclass != dns_rdataclass_in)
+		return (ISC_FALSE);
+
+	return (ISC_TRUE);
+}
+
+#endif
 isc_result_t
 dns_message_rendersection(dns_message_t *msg, dns_section_t sectionid,
 			  unsigned int options)
@@ -1931,6 +1961,23 @@ dns_message_rendersection(dns_message_t *msg, dns_section_t sectionid,
 						      preferred_glue))
 					goto next;
 
+#ifdef ALLOW_FILTER_AAAA_ON_V4
+				/*
+				 * Suppress AAAAs if asked and we are
+				 * not doing DNSSEC or are breaking DNSSEC.
+				 * Say so in the AD bit if we break DNSSEC.
+				 */
+				if (norender_rdataset(rdataset, options) &&
+				    sectionid != DNS_SECTION_QUESTION) {
+					if (sectionid == DNS_SECTION_ANSWER ||
+					    sectionid == DNS_SECTION_AUTHORITY)
+					    msg->flags &= ~DNS_MESSAGEFLAG_AD;
+					if (OPTOUT(rdataset))
+					    msg->flags &= ~DNS_MESSAGEFLAG_AD;
+					goto next;
+				}
+
+#endif
 				st = *(msg->buffer);
 
 				count = 0;
@@ -3071,6 +3118,7 @@ dns_message_sectiontotext(dns_message_t *msg, dns_section_t section,
 	dns_name_t *name, empty_name;
 	dns_rdataset_t *rdataset;
 	isc_result_t result;
+	isc_boolean_t seensoa = ISC_FALSE;
 
 	REQUIRE(DNS_MESSAGE_VALID(msg));
 	REQUIRE(target != NULL);
@@ -3100,6 +3148,15 @@ dns_message_sectiontotext(dns_message_t *msg, dns_section_t section,
 		for (rdataset = ISC_LIST_HEAD(name->list);
 		     rdataset != NULL;
 		     rdataset = ISC_LIST_NEXT(rdataset, link)) {
+			if (section == DNS_SECTION_ANSWER &&
+			    rdataset->type == dns_rdatatype_soa) {
+				if ((flags & DNS_MESSAGETEXTFLAG_OMITSOA) != 0)
+					continue;
+				if (seensoa &&
+				    (flags & DNS_MESSAGETEXTFLAG_ONESOA) != 0)
+					continue;
+				seensoa = ISC_TRUE;
+			}
 			if (section == DNS_SECTION_QUESTION) {
 				ADD_STRING(target, ";");
 				result = dns_master_questiontotext(name,
diff --git a/lib/dns/name.c b/lib/dns/name.c
index 80864b8..f88f281 100644
--- a/lib/dns/name.c
+++ b/lib/dns/name.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2008, 2010  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: name.c,v 1.165.120.3 2010-07-09 05:15:05 each Exp $ */
+/* $Id: name.c,v 1.174 2011-01-13 04:59:25 tbox Exp $ */
 
 /*! \file */
 
@@ -34,6 +34,7 @@
 #include 
 
 #include 
+#include 
 #include 
 #include 
 
@@ -1018,10 +1019,9 @@ dns_name_toregion(dns_name_t *name, isc_region_t *r) {
 	DNS_NAME_TOREGION(name, r);
 }
 
-
 isc_result_t
 dns_name_fromtext(dns_name_t *name, isc_buffer_t *source,
-		  dns_name_t *origin, unsigned int options,
+		  const dns_name_t *origin, unsigned int options,
 		  isc_buffer_t *target)
 {
 	unsigned char *ndata, *label;
@@ -2360,6 +2360,75 @@ dns_name_format(dns_name_t *name, char *cp, unsigned int size) {
 		snprintf(cp, size, "");
 }
 
+/*
+ * dns_name_tostring() -- similar to dns_name_format() but allocates its own
+ * memory.
+ */
+isc_result_t
+dns_name_tostring(dns_name_t *name, char **target, isc_mem_t *mctx) {
+	isc_result_t result;
+	isc_buffer_t buf;
+	isc_region_t reg;
+	char *p, txt[DNS_NAME_FORMATSIZE];
+
+	REQUIRE(VALID_NAME(name));
+	REQUIRE(target != NULL && *target == NULL);
+
+	isc_buffer_init(&buf, txt, sizeof(txt));
+	result = dns_name_totext(name, ISC_FALSE, &buf);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+
+	isc_buffer_usedregion(&buf, ®);
+	p = isc_mem_allocate(mctx, reg.length + 1);
+	memcpy(p, (char *) reg.base, (int) reg.length);
+	p[reg.length] = '\0';
+
+	*target = p;
+	return (ISC_R_SUCCESS);
+}
+
+/*
+ * dns_name_fromstring() -- convert directly from a string to a name,
+ * allocating memory as needed
+ */
+isc_result_t
+dns_name_fromstring(dns_name_t *target, const char *src, unsigned int options,
+		    isc_mem_t *mctx)
+{
+	return (dns_name_fromstring2(target, src, dns_rootname, options, mctx));
+}
+
+isc_result_t
+dns_name_fromstring2(dns_name_t *target, const char *src,
+		     const dns_name_t *origin, unsigned int options,
+		     isc_mem_t *mctx)
+{
+	isc_result_t result;
+	isc_buffer_t buf;
+	dns_fixedname_t fn;
+	dns_name_t *name;
+
+	REQUIRE(src != NULL);
+
+	isc_buffer_init(&buf, src, strlen(src));
+	isc_buffer_add(&buf, strlen(src));
+	if (BINDABLE(target) && target->buffer != NULL)
+		name = target;
+	else {
+		dns_fixedname_init(&fn);
+		name = dns_fixedname_name(&fn);
+	}
+
+	result = dns_name_fromtext(name, &buf, origin, options, NULL);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+
+	if (name != target)
+		result = dns_name_dupwithoffsets(name, mctx, target);
+	return (result);
+}
+
 isc_result_t
 dns_name_copy(dns_name_t *source, dns_name_t *dest, isc_buffer_t *target) {
 	unsigned char *ndata;
diff --git a/lib/dns/ncache.c b/lib/dns/ncache.c
index f1fc323..420a118 100644
--- a/lib/dns/ncache.c
+++ b/lib/dns/ncache.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: ncache.c,v 1.43.48.7.6.3 2011-06-21 20:13:22 each Exp $ */
+/* $Id: ncache.c,v 1.50.124.1.2.3 2011-06-21 20:15:47 each Exp $ */
 
 /*! \file */
 
@@ -35,7 +35,7 @@
 #define DNS_NCACHE_RDATA 20U
 
 /*
- * The format of an ncache rdata is a sequence of one or more records of
+ * The format of an ncache rdata is a sequence of zero or more records of
  * the following format:
  *
  *	owner name
@@ -223,42 +223,6 @@ dns_ncache_addoptout(dns_message_t *message, dns_db_t *cache,
 		return (result);
 
 	if (trust == 0xffff) {
-		/*
-		 * We didn't find any authority data from which to create a
-		 * negative cache rdataset.  In particular, we have no SOA.
-		 *
-		 * We trust that the caller wants negative caching, so this
-		 * means we have a "type 3 nxdomain" or "type 3 nodata"
-		 * response (see RFC2308 for details).
-		 *
-		 * We will now build a suitable negative cache rdataset that
-		 * will cause zero bytes to be emitted when converted to
-		 * wire format.
-		 */
-
-		/*
-		 * The ownername must exist, but it doesn't matter what value
-		 * it has.  We use the root name.
-		 */
-		dns_name_toregion(dns_rootname, &r);
-		result = isc_buffer_copyregion(&buffer, &r);
-		if (result != ISC_R_SUCCESS)
-			return (result);
-		/*
-		 * Copy the type and a zero rdata count to the buffer.
-		 */
-		isc_buffer_availableregion(&buffer, &r);
-		if (r.length < 5)
-			return (ISC_R_NOSPACE);
-		isc_buffer_putuint16(&buffer, 0);	/* type */
-		/*
-		 * RFC2308, section 5, says that negative answers without
-		 * SOAs should not be cached.
-		 */
-		ttl = 0;
-		/*
-		 * Set trust.
-		 */
 		if ((message->flags & DNS_MESSAGEFLAG_AA) != 0 &&
 		    message->counts[DNS_SECTION_ANSWER] == 0) {
 			/*
@@ -268,22 +232,7 @@ dns_ncache_addoptout(dns_message_t *message, dns_db_t *cache,
 			trust = dns_trust_authauthority;
 		} else
 			trust = dns_trust_additional;
-		isc_buffer_putuint8(&buffer, (unsigned char)trust); /* trust */
-		isc_buffer_putuint16(&buffer, 0);	/* count */
-
-		/*
-		 * Now add it to the cache.
-		 */
-		if (next >= DNS_NCACHE_RDATA)
-			return (ISC_R_NOSPACE);
-		dns_rdata_init(&rdata[next]);
-		isc_buffer_remainingregion(&buffer, &r);
-		rdata[next].data = r.base;
-		rdata[next].length = r.length;
-		rdata[next].rdclass = ncrdatalist.rdclass;
-		rdata[next].type = 0;
-		rdata[next].flags = 0;
-		ISC_LIST_APPEND(ncrdatalist.rdata, &rdata[next], link);
+		ttl = 0;
 	}
 
 	INSIST(trust != 0xffff);
diff --git a/lib/dns/nsec.c b/lib/dns/nsec.c
index 7d93ecc..94c5163 100644
--- a/lib/dns/nsec.c
+++ b/lib/dns/nsec.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: nsec.c,v 1.11.48.2 2009-01-06 23:47:26 tbox Exp $ */
+/* $Id: nsec.c,v 1.13 2009-01-06 23:47:57 tbox Exp $ */
 
 /*! \file */
 
diff --git a/lib/dns/nsec3.c b/lib/dns/nsec3.c
index 9c85781..e75e744 100644
--- a/lib/dns/nsec3.c
+++ b/lib/dns/nsec3.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006, 2008, 2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2006, 2008-2010  Internet Systems Consortium, Inc. ("ISC")
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -14,7 +14,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: nsec3.c,v 1.6.12.4 2009-11-03 23:47:46 tbox Exp $ */
+/* $Id: nsec3.c,v 1.19.96.1 2011-06-21 20:15:48 each Exp $ */
 
 #include 
 
@@ -28,6 +28,8 @@
 #include 
 
 #include 
+#include 
+#include 
 #include 
 #include 
 #include 
@@ -472,7 +474,6 @@ delete(dns_db_t *db, dns_dbversion_t *version, dns_name_t *name,
 	return (result);
 }
 
-#ifndef RFC5155_STRICT
 static isc_boolean_t
 better_param(dns_rdataset_t *nsec3paramset, dns_rdata_t *param) {
 	dns_rdataset_t rdataset;
@@ -487,7 +488,17 @@ better_param(dns_rdataset_t *nsec3paramset, dns_rdata_t *param) {
 	     result == ISC_R_SUCCESS;
 	     result = dns_rdataset_next(&rdataset)) {
 		dns_rdata_t rdata =  DNS_RDATA_INIT;
-		dns_rdataset_current(&rdataset, &rdata);
+		unsigned char buf[DNS_NSEC3PARAM_BUFFERSIZE];
+
+		if (rdataset.type != dns_rdatatype_nsec3param) {
+			dns_rdata_t tmprdata =  DNS_RDATA_INIT;
+			dns_rdataset_current(&rdataset, &tmprdata);
+			if (!dns_nsec3param_fromprivate(&tmprdata, &rdata,
+							buf, sizeof(buf)))
+				continue;
+		} else
+			dns_rdataset_current(&rdataset, &rdata);
+
 		if (rdata.length != param->length)
 			continue;
 		if (rdata.data[0] != param->data[0] ||
@@ -505,7 +516,6 @@ better_param(dns_rdataset_t *nsec3paramset, dns_rdata_t *param) {
 	dns_rdataset_disassociate(&rdataset);
 	return (ISC_FALSE);
 }
-#endif
 
 static isc_result_t
 find_nsec3(dns_rdata_nsec3_t *nsec3, dns_rdataset_t *rdataset,
@@ -548,7 +558,7 @@ dns_nsec3_addnsec3(dns_db_t *db, dns_dbversion_t *version,
 	dns_rdataset_t rdataset;
 	int pass;
 	isc_boolean_t exists;
-	isc_boolean_t remove_unsecure = ISC_FALSE;
+	isc_boolean_t maybe_remove_unsecure = ISC_FALSE;
 	isc_uint8_t flags;
 	isc_buffer_t buffer;
 	isc_result_t result;
@@ -629,8 +639,12 @@ dns_nsec3_addnsec3(dns_db_t *db, dns_dbversion_t *version,
 			 */
 			if (!unsecure)
 				goto addnsec3;
-			else
-				remove_unsecure = ISC_TRUE;
+			else if (CREATE(nsec3param->flags) && OPTOUT(flags)) {
+				result = dns_nsec3_delnsec3(db, version, name,
+							    nsec3param, diff);
+				goto failure;
+			} else
+				maybe_remove_unsecure = ISC_TRUE;
 		} else {
 			dns_rdataset_disassociate(&rdataset);
 			if (result != ISC_R_NOMORE)
@@ -666,26 +680,19 @@ dns_nsec3_addnsec3(dns_db_t *db, dns_dbversion_t *version,
 		if (result != ISC_R_SUCCESS)
 			goto failure;
 
-		if (remove_unsecure) {
+		if (maybe_remove_unsecure) {
 			dns_rdataset_disassociate(&rdataset);
 			/*
-			 * We have found the previous NSEC3 record and can now
-			 * see if the existing NSEC3 record needs to be
-			 * updated or deleted.
+			 * If we have OPTOUT set in the previous NSEC3 record
+			 * we actually need to delete the NSEC3 record.
+			 * Otherwise we just need to replace the NSEC3 record.
 			 */
-			if (!OPTOUT(nsec3.flags)) {
-				/*
-				 * Just update the NSEC3 record.
-				 */
-				goto addnsec3;
-			} else {
-				/*
-				 * This is actually a deletion not a add.
-				 */
+			if (OPTOUT(nsec3.flags)) {
 				result = dns_nsec3_delnsec3(db, version, name,
 							    nsec3param, diff);
 				goto failure;
 			}
+			goto addnsec3;
 		} else {
 			/*
 			 * Is this is a unsecure delegation we are adding?
@@ -928,17 +935,323 @@ dns_nsec3_addnsec3s(dns_db_t *db, dns_dbversion_t *version,
 		dns_rdata_t rdata = DNS_RDATA_INIT;
 
 		dns_rdataset_current(&rdataset, &rdata);
-		dns_rdata_tostruct(&rdata, &nsec3param, NULL);
+		CHECK(dns_rdata_tostruct(&rdata, &nsec3param, NULL));
+
+		if (nsec3param.flags != 0)
+			continue;
+		/*
+		 * We have a active chain.  Update it.
+		 */
+		CHECK(dns_nsec3_addnsec3(db, version, name, &nsec3param,
+					 nsecttl, unsecure, diff));
+	}
+	if (result == ISC_R_NOMORE)
+		result = ISC_R_SUCCESS;
+
+ failure:
+	if (dns_rdataset_isassociated(&rdataset))
+		dns_rdataset_disassociate(&rdataset);
+	if (node != NULL)
+		dns_db_detachnode(db, &node);
+
+	return (result);
+}
+
+isc_boolean_t
+dns_nsec3param_fromprivate(dns_rdata_t *src, dns_rdata_t *target,
+			   unsigned char *buf, size_t buflen)
+{
+	dns_decompress_t dctx;
+	isc_result_t result;
+	isc_buffer_t buf1;
+	isc_buffer_t buf2;
+
+	/*
+	 * Algorithm 0 (reserved by RFC 4034) is used to identify
+	 * NSEC3PARAM records from DNSKEY pointers.
+	 */
+	if (src->length < 1 || src->data[0] != 0)
+		return (ISC_FALSE);
+
+	isc_buffer_init(&buf1, src->data + 1, src->length - 1);
+	isc_buffer_add(&buf1, src->length - 1);
+	isc_buffer_setactive(&buf1, src->length - 1);
+	isc_buffer_init(&buf2, buf, buflen);
+	dns_decompress_init(&dctx, -1, DNS_DECOMPRESS_NONE);
+	result = dns_rdata_fromwire(target, src->rdclass,
+				    dns_rdatatype_nsec3param,
+				    &buf1, &dctx, 0, &buf2);
+	dns_decompress_invalidate(&dctx);
+
+	return (ISC_TF(result == ISC_R_SUCCESS));
+}
+
+void
+dns_nsec3param_toprivate(dns_rdata_t *src, dns_rdata_t *target,
+			 dns_rdatatype_t privatetype,
+			 unsigned char *buf, size_t buflen)
+{
+	REQUIRE(buflen >= src->length + 1);
+
+	REQUIRE(DNS_RDATA_INITIALIZED(target));
+
+	memcpy(buf + 1, src->data, src->length);
+	buf[0] = 0;
+	target->data = buf;
+	target->length = src->length + 1;
+	target->type = privatetype;
+	target->rdclass = src->rdclass;
+	target->flags = 0;
+	ISC_LINK_INIT(target, link);
+}
+
+#ifdef BIND9
+static isc_result_t
+rr_exists(dns_db_t *db, dns_dbversion_t *ver, dns_name_t *name,
+	  const dns_rdata_t *rdata, isc_boolean_t *flag)
+{
+	dns_rdataset_t rdataset;
+	dns_dbnode_t *node = NULL;
+	isc_result_t result;
+
+	dns_rdataset_init(&rdataset);
+	if (rdata->type == dns_rdatatype_nsec3)
+		CHECK(dns_db_findnsec3node(db, name, ISC_FALSE, &node));
+	else
+		CHECK(dns_db_findnode(db, name, ISC_FALSE, &node));
+	result = dns_db_findrdataset(db, node, ver, rdata->type, 0,
+				     (isc_stdtime_t) 0, &rdataset, NULL);
+	if (result == ISC_R_NOTFOUND) {
+		*flag = ISC_FALSE;
+		result = ISC_R_SUCCESS;
+		goto failure;
+	}
+
+	for (result = dns_rdataset_first(&rdataset);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rdataset_next(&rdataset)) {
+		dns_rdata_t myrdata = DNS_RDATA_INIT;
+		dns_rdataset_current(&rdataset, &myrdata);
+		if (!dns_rdata_casecompare(&myrdata, rdata))
+			break;
+	}
+	dns_rdataset_disassociate(&rdataset);
+	if (result == ISC_R_SUCCESS) {
+		*flag = ISC_TRUE;
+	} else if (result == ISC_R_NOMORE) {
+		*flag = ISC_FALSE;
+		result = ISC_R_SUCCESS;
+	}
+
+ failure:
+	if (node != NULL)
+		dns_db_detachnode(db, &node);
+	return (result);
+}
+#endif
+
+#ifdef BIND9
+isc_result_t
+dns_nsec3param_deletechains(dns_db_t *db, dns_dbversion_t *ver,
+			    dns_zone_t *zone, dns_diff_t *diff)
+{
+	dns_dbnode_t *node = NULL;
+	dns_difftuple_t *tuple = NULL;
+	dns_name_t next;
+	dns_rdata_t rdata = DNS_RDATA_INIT;
+	dns_rdataset_t rdataset;
+	isc_boolean_t flag;
+	isc_result_t result = ISC_R_SUCCESS;
+	unsigned char buf[DNS_NSEC3PARAM_BUFFERSIZE + 1];
+	dns_name_t *origin = dns_zone_getorigin(zone);
+	dns_rdatatype_t privatetype = dns_zone_getprivatetype(zone);
+
+	dns_name_init(&next, NULL);
+	dns_rdataset_init(&rdataset);
+
+	result = dns_db_getoriginnode(db, &node);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+
+	/*
+	 * Cause all NSEC3 chains to be deleted.
+	 */
+	result = dns_db_findrdataset(db, node, ver, dns_rdatatype_nsec3param,
+				     0, (isc_stdtime_t) 0, &rdataset, NULL);
+	if (result == ISC_R_NOTFOUND)
+		goto try_private;
+	if (result != ISC_R_SUCCESS)
+		goto failure;
+
+	for (result = dns_rdataset_first(&rdataset);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rdataset_next(&rdataset)) {
+		dns_rdata_t private = DNS_RDATA_INIT;
+
+		dns_rdataset_current(&rdataset, &rdata);
+
+		CHECK(dns_difftuple_create(diff->mctx, DNS_DIFFOP_DEL, origin,
+					   rdataset.ttl, &rdata, &tuple));
+		CHECK(do_one_tuple(&tuple, db, ver, diff));
+		INSIST(tuple == NULL);
+
+		dns_nsec3param_toprivate(&rdata, &private, privatetype,
+					 buf, sizeof(buf));
+		buf[2] = DNS_NSEC3FLAG_REMOVE | DNS_NSEC3FLAG_NONSEC;
+
+		CHECK(rr_exists(db, ver, origin, &private, &flag));
+
+		if (!flag) {
+			CHECK(dns_difftuple_create(diff->mctx, DNS_DIFFOP_ADD,
+						   origin, 0, &private,
+						   &tuple));
+			CHECK(do_one_tuple(&tuple, db, ver, diff));
+			INSIST(tuple == NULL);
+		}
+		dns_rdata_reset(&rdata);
+	}
+	if (result != ISC_R_NOMORE)
+		goto failure;
+
+	dns_rdataset_disassociate(&rdataset);
+
+ try_private:
+	if (privatetype == 0)
+		goto success;
+	result = dns_db_findrdataset(db, node, ver, privatetype, 0,
+				     (isc_stdtime_t) 0, &rdataset, NULL);
+	if (result == ISC_R_NOTFOUND)
+		goto success;
+	if (result != ISC_R_SUCCESS)
+		goto failure;
+
+	for (result = dns_rdataset_first(&rdataset);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rdataset_next(&rdataset)) {
+		dns_rdataset_current(&rdataset, &rdata);
+		INSIST(rdata.length <= sizeof(buf));
+		memcpy(buf, rdata.data, rdata.length);
+
+		if (buf[0] != 0 ||
+		    buf[2] == (DNS_NSEC3FLAG_REMOVE | DNS_NSEC3FLAG_NONSEC)) {
+			dns_rdata_reset(&rdata);
+			continue;
+		}
+
+		CHECK(dns_difftuple_create(diff->mctx, DNS_DIFFOP_DEL, origin,
+					   0, &rdata, &tuple));
+		CHECK(do_one_tuple(&tuple, db, ver, diff));
+		INSIST(tuple == NULL);
+
+		rdata.data = buf;
+		buf[2] = DNS_NSEC3FLAG_REMOVE | DNS_NSEC3FLAG_NONSEC;
+
+		CHECK(rr_exists(db, ver, origin, &rdata, &flag));
+
+		if (!flag) {
+			CHECK(dns_difftuple_create(diff->mctx, DNS_DIFFOP_ADD,
+						   origin, 0, &rdata, &tuple));
+			CHECK(do_one_tuple(&tuple, db, ver, diff));
+			INSIST(tuple == NULL);
+		}
+		dns_rdata_reset(&rdata);
+	}
+	if (result != ISC_R_NOMORE)
+		goto failure;
+ success:
+	result = ISC_R_SUCCESS;
+
+ failure:
+	if (dns_rdataset_isassociated(&rdataset))
+		dns_rdataset_disassociate(&rdataset);
+	dns_db_detachnode(db, &node);
+	return (result);
+}
+#endif
+
+isc_result_t
+dns_nsec3_addnsec3sx(dns_db_t *db, dns_dbversion_t *version,
+		     dns_name_t *name, dns_ttl_t nsecttl,
+		     isc_boolean_t unsecure, dns_rdatatype_t type,
+		     dns_diff_t *diff)
+{
+	dns_dbnode_t *node = NULL;
+	dns_rdata_nsec3param_t nsec3param;
+	dns_rdataset_t rdataset;
+	dns_rdataset_t prdataset;
+	isc_result_t result;
+
+	dns_rdataset_init(&rdataset);
+	dns_rdataset_init(&prdataset);
+
+	/*
+	 * Find the NSEC3 parameters for this zone.
+	 */
+	result = dns_db_getoriginnode(db, &node);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+
+	result = dns_db_findrdataset(db, node, version, type, 0, 0,
+				     &prdataset, NULL);
+	if (result != ISC_R_SUCCESS && result != ISC_R_NOTFOUND)
+		goto failure;
+
+	result = dns_db_findrdataset(db, node, version,
+				     dns_rdatatype_nsec3param, 0, 0,
+				     &rdataset, NULL);
+	if (result == ISC_R_NOTFOUND)
+		goto try_private;
+	if (result != ISC_R_SUCCESS)
+		goto failure;
+
+	/*
+	 * Update each active NSEC3 chain.
+	 */
+	for (result = dns_rdataset_first(&rdataset);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rdataset_next(&rdataset)) {
+		dns_rdata_t rdata = DNS_RDATA_INIT;
+
+		dns_rdataset_current(&rdataset, &rdata);
+		CHECK(dns_rdata_tostruct(&rdata, &nsec3param, NULL));
 
-#ifdef RFC5155_STRICT
 		if (nsec3param.flags != 0)
 			continue;
-#else
+
+		/*
+		 * We have a active chain.  Update it.
+		 */
+		CHECK(dns_nsec3_addnsec3(db, version, name, &nsec3param,
+					 nsecttl, unsecure, diff));
+	}
+	if (result != ISC_R_NOMORE)
+		goto failure;
+
+	dns_rdataset_disassociate(&rdataset);
+
+ try_private:
+	if (!dns_rdataset_isassociated(&prdataset))
+		goto success;
+	/*
+	 * Update each active NSEC3 chain.
+	 */
+	for (result = dns_rdataset_first(&prdataset);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rdataset_next(&prdataset)) {
+		dns_rdata_t rdata1 = DNS_RDATA_INIT;
+		dns_rdata_t rdata2 = DNS_RDATA_INIT;
+		unsigned char buf[DNS_NSEC3PARAM_BUFFERSIZE];
+
+		dns_rdataset_current(&prdataset, &rdata1);
+		if (!dns_nsec3param_fromprivate(&rdata1, &rdata2,
+						buf, sizeof(buf)))
+			continue;
+		CHECK(dns_rdata_tostruct(&rdata2, &nsec3param, NULL));
+
 		if ((nsec3param.flags & DNS_NSEC3FLAG_REMOVE) != 0)
 			continue;
-		if (better_param(&rdataset, &rdata))
+		if (better_param(&prdataset, &rdata2))
 			continue;
-#endif
 
 		/*
 		 * We have a active chain.  Update it.
@@ -947,11 +1260,13 @@ dns_nsec3_addnsec3s(dns_db_t *db, dns_dbversion_t *version,
 					 nsecttl, unsecure, diff));
 	}
 	if (result == ISC_R_NOMORE)
+ success:
 		result = ISC_R_SUCCESS;
-
  failure:
 	if (dns_rdataset_isassociated(&rdataset))
 		dns_rdataset_disassociate(&rdataset);
+	if (dns_rdataset_isassociated(&prdataset))
+		dns_rdataset_disassociate(&prdataset);
 	if (node != NULL)
 		dns_db_detachnode(db, &node);
 
@@ -1120,6 +1435,8 @@ dns_nsec3_delnsec3(dns_db_t *db, dns_dbversion_t *version, dns_name_t *name,
 		 */
 		nsec3.next = nexthash;
 		nsec3.next_length = next_length;
+		if (CREATE(nsec3param->flags))
+			nsec3.flags = nsec3param->flags & DNS_NSEC3FLAG_OPTOUT;
 		isc_buffer_init(&buffer, nsec3buf, sizeof(nsec3buf));
 		CHECK(dns_rdata_fromstruct(&rdata, rdataset.rdclass,
 					   dns_rdatatype_nsec3, &nsec3,
@@ -1257,6 +1574,13 @@ isc_result_t
 dns_nsec3_delnsec3s(dns_db_t *db, dns_dbversion_t *version, dns_name_t *name,
 		    dns_diff_t *diff)
 {
+	return (dns_nsec3_delnsec3sx(db, version, name, 0, diff));
+}
+
+isc_result_t
+dns_nsec3_delnsec3sx(dns_db_t *db, dns_dbversion_t *version, dns_name_t *name,
+		     dns_rdatatype_t privatetype, dns_diff_t *diff)
+{
 	dns_dbnode_t *node = NULL;
 	dns_rdata_nsec3param_t nsec3param;
 	dns_rdataset_t rdataset;
@@ -1274,11 +1598,10 @@ dns_nsec3_delnsec3s(dns_db_t *db, dns_dbversion_t *version, dns_name_t *name,
 	result = dns_db_findrdataset(db, node, version,
 				     dns_rdatatype_nsec3param, 0, 0,
 				     &rdataset, NULL);
-	dns_db_detachnode(db, &node);
 	if (result == ISC_R_NOTFOUND)
-		return (ISC_R_SUCCESS);
+		goto try_private;
 	if (result != ISC_R_SUCCESS)
-		return (result);
+		goto failure;
 
 	/*
 	 * Update each active NSEC3 chain.
@@ -1289,17 +1612,47 @@ dns_nsec3_delnsec3s(dns_db_t *db, dns_dbversion_t *version, dns_name_t *name,
 		dns_rdata_t rdata = DNS_RDATA_INIT;
 
 		dns_rdataset_current(&rdataset, &rdata);
-		dns_rdata_tostruct(&rdata, &nsec3param, NULL);
+		CHECK(dns_rdata_tostruct(&rdata, &nsec3param, NULL));
 
-#ifdef RFC5155_STRICT
 		if (nsec3param.flags != 0)
 			continue;
-#else
+		/*
+		 * We have a active chain.  Update it.
+		 */
+		CHECK(dns_nsec3_delnsec3(db, version, name, &nsec3param, diff));
+	}
+	dns_rdataset_disassociate(&rdataset);
+
+ try_private:
+	if (privatetype == 0)
+		goto success;
+	result = dns_db_findrdataset(db, node, version, privatetype, 0, 0,
+				     &rdataset, NULL);
+	if (result == ISC_R_NOTFOUND)
+		goto success;
+	if (result != ISC_R_SUCCESS)
+		goto failure;
+
+	/*
+	 * Update each NSEC3 chain being built.
+	 */
+	for (result = dns_rdataset_first(&rdataset);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rdataset_next(&rdataset)) {
+		dns_rdata_t rdata1 = DNS_RDATA_INIT;
+		dns_rdata_t rdata2 = DNS_RDATA_INIT;
+		unsigned char buf[DNS_NSEC3PARAM_BUFFERSIZE];
+
+		dns_rdataset_current(&rdataset, &rdata1);
+		if (!dns_nsec3param_fromprivate(&rdata1,  &rdata2,
+						buf, sizeof(buf)))
+			continue;
+		CHECK(dns_rdata_tostruct(&rdata2, &nsec3param, NULL));
+
 		if ((nsec3param.flags & DNS_NSEC3FLAG_REMOVE) != 0)
 			continue;
-		if (better_param(&rdataset, &rdata))
+		if (better_param(&rdataset, &rdata2))
 			continue;
-#endif
 
 		/*
 		 * We have a active chain.  Update it.
@@ -1307,6 +1660,7 @@ dns_nsec3_delnsec3s(dns_db_t *db, dns_dbversion_t *version, dns_name_t *name,
 		CHECK(dns_nsec3_delnsec3(db, version, name, &nsec3param, diff));
 	}
 	if (result == ISC_R_NOMORE)
+ success:
 		result = ISC_R_SUCCESS;
 
  failure:
@@ -1322,6 +1676,14 @@ isc_result_t
 dns_nsec3_active(dns_db_t *db, dns_dbversion_t *version,
 		 isc_boolean_t complete, isc_boolean_t *answer)
 {
+	return (dns_nsec3_activex(db, version, complete, 0, answer));
+}
+
+isc_result_t
+dns_nsec3_activex(dns_db_t *db, dns_dbversion_t *version,
+		  isc_boolean_t complete, dns_rdatatype_t privatetype,
+		  isc_boolean_t *answer)
+{
 	dns_dbnode_t *node = NULL;
 	dns_rdataset_t rdataset;
 	dns_rdata_nsec3param_t nsec3param;
@@ -1338,34 +1700,78 @@ dns_nsec3_active(dns_db_t *db, dns_dbversion_t *version,
 	result = dns_db_findrdataset(db, node, version,
 				     dns_rdatatype_nsec3param, 0, 0,
 				     &rdataset, NULL);
-	dns_db_detachnode(db, &node);
 
+	if (result == ISC_R_NOTFOUND)
+		goto try_private;
+
+	if (result != ISC_R_SUCCESS) {
+		dns_db_detachnode(db, &node);
+		return (result);
+	}
+	for (result = dns_rdataset_first(&rdataset);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rdataset_next(&rdataset)) {
+		dns_rdata_t rdata = DNS_RDATA_INIT;
+
+		dns_rdataset_current(&rdataset, &rdata);
+		result = dns_rdata_tostruct(&rdata, &nsec3param, NULL);
+		RUNTIME_CHECK(result == ISC_R_SUCCESS);
+
+		if (nsec3param.flags == 0)
+			break;
+	}
+	dns_rdataset_disassociate(&rdataset);
+	if (result == ISC_R_SUCCESS) {
+		dns_db_detachnode(db, &node);
+		*answer = ISC_TRUE;
+		return (ISC_R_SUCCESS);
+	}
+	if (result == ISC_R_NOMORE)
+		*answer = ISC_FALSE;
+
+ try_private:
+	if (privatetype == 0 || complete) {
+		*answer = ISC_FALSE;
+		return (ISC_R_SUCCESS);
+	}
+	result = dns_db_findrdataset(db, node, version, privatetype, 0, 0,
+				     &rdataset, NULL);
+
+	dns_db_detachnode(db, &node);
 	if (result == ISC_R_NOTFOUND) {
 		*answer = ISC_FALSE;
 		return (ISC_R_SUCCESS);
 	}
 	if (result != ISC_R_SUCCESS)
 		return (result);
+
 	for (result = dns_rdataset_first(&rdataset);
 	     result == ISC_R_SUCCESS;
 	     result = dns_rdataset_next(&rdataset)) {
-		dns_rdata_t rdata = DNS_RDATA_INIT;
+		dns_rdata_t rdata1 = DNS_RDATA_INIT;
+		dns_rdata_t rdata2 = DNS_RDATA_INIT;
+		unsigned char buf[DNS_NSEC3PARAM_BUFFERSIZE];
 
-		dns_rdataset_current(&rdataset, &rdata);
-		result = dns_rdata_tostruct(&rdata, &nsec3param, NULL);
+		dns_rdataset_current(&rdataset, &rdata1);
+		if (!dns_nsec3param_fromprivate(&rdata1, &rdata2,
+						buf, sizeof(buf)))
+			continue;
+		result = dns_rdata_tostruct(&rdata2, &nsec3param, NULL);
 		RUNTIME_CHECK(result == ISC_R_SUCCESS);
 
-		if ((nsec3param.flags) == 0 ||
-		    (!complete && CREATE(nsec3param.flags)))
+		if (!complete && CREATE(nsec3param.flags))
 			break;
 	}
 	dns_rdataset_disassociate(&rdataset);
-	if (result == ISC_R_SUCCESS)
+	if (result == ISC_R_SUCCESS) {
 		*answer = ISC_TRUE;
+		result = ISC_R_SUCCESS;
+	}
 	if (result == ISC_R_NOMORE) {
 		*answer = ISC_FALSE;
 		result = ISC_R_SUCCESS;
 	}
+
 	return (result);
 }
 
diff --git a/lib/dns/openssl_link.c b/lib/dns/openssl_link.c
index 081e3c6..8c733f6 100644
--- a/lib/dns/openssl_link.c
+++ b/lib/dns/openssl_link.c
@@ -31,7 +31,7 @@
 
 /*
  * Principal Author: Brian Wellington
- * $Id: openssl_link.c,v 1.22.112.5 2010-09-15 12:37:35 tbox Exp $
+ * $Id: openssl_link.c,v 1.29 2010-09-15 12:38:36 tbox Exp $
  */
 #ifdef OPENSSL
 
@@ -45,6 +45,8 @@
 #include 
 #include 
 
+#include 
+
 #include "dst_internal.h"
 #include "dst_openssl.h"
 
@@ -60,12 +62,6 @@
 
 #ifdef USE_ENGINE
 #include 
-
-#ifdef ENGINE_ID
-const char *engine_id = ENGINE_ID;
-#else
-const char *engine_id;
-#endif
 #endif
 
 static RAND_METHOD *rm = NULL;
@@ -74,15 +70,7 @@ static isc_mutex_t *locks = NULL;
 static int nlocks;
 
 #ifdef USE_ENGINE
-static ENGINE *e;
-static ENGINE *he;
-#endif
-
-#ifdef USE_PKCS11
-static isc_result_t
-dst__openssl_load_engine(const char *name, const char *engine_id,
-			 const char **pre_cmds, int pre_num,
-			 const char **post_cmds, int post_num);
+static ENGINE *e = NULL;
 #endif
 
 static int
@@ -135,8 +123,16 @@ id_callback(void) {
 
 static void *
 mem_alloc(size_t size) {
+#ifdef OPENSSL_LEAKS
+	void *ptr;
+
+	INSIST(dst__memory_pool != NULL);
+	ptr = isc_mem_allocate(dst__memory_pool, size);
+	return (ptr);
+#else
 	INSIST(dst__memory_pool != NULL);
 	return (isc_mem_allocate(dst__memory_pool, size));
+#endif
 }
 
 static void
@@ -148,16 +144,26 @@ mem_free(void *ptr) {
 
 static void *
 mem_realloc(void *ptr, size_t size) {
+#ifdef OPENSSL_LEAKS
+	void *rptr;
+
+	INSIST(dst__memory_pool != NULL);
+	rptr = isc_mem_reallocate(dst__memory_pool, ptr, size);
+	return (rptr);
+#else
 	INSIST(dst__memory_pool != NULL);
 	return (isc_mem_reallocate(dst__memory_pool, ptr, size));
+#endif
 }
 
 isc_result_t
-dst__openssl_init() {
+dst__openssl_init(const char *engine) {
 	isc_result_t result;
 #ifdef USE_ENGINE
-	/* const char  *name; */
 	ENGINE *re;
+#else
+
+	UNUSED(engine);
 #endif
 
 #ifdef  DNS_CRYPTO_LEAKS
@@ -187,70 +193,26 @@ dst__openssl_init() {
 	rm->add = entropy_add;
 	rm->pseudorand = entropy_getpseudo;
 	rm->status = entropy_status;
+
 #ifdef USE_ENGINE
 	OPENSSL_config(NULL);
-#ifdef USE_PKCS11
-#ifndef PKCS11_SO_PATH
-#define PKCS11_SO_PATH		"/usr/local/lib/engines/engine_pkcs11.so"
-#endif
-#ifndef PKCS11_MODULE_PATH
-#define PKCS11_MODULE_PATH	"/usr/lib/libpkcs11.so"
-#endif
-	{
-		/*
-		 * to use this to config the PIN, add in openssl.cnf:
-		 *  - at the beginning: "openssl_conf = openssl_def"
-		 *  - at any place these sections:
-		 * [ openssl_def ]
-		 * engines = engine_section
-		 * [ engine_section ]
-		 * pkcs11 = pkcs11_section
-		 * [ pkcs11_section ]
-		 * PIN = my___pin
-		 */
-
-		const char *pre_cmds[] = {
-			"SO_PATH", PKCS11_SO_PATH,
-			"LOAD", NULL,
-			"MODULE_PATH", PKCS11_MODULE_PATH
-		};
-		const char *post_cmds[] = {
-			/* "PIN", "my___pin" */
-		};
-		result = dst__openssl_load_engine("pkcs11", "pkcs11",
-						  pre_cmds, 0,
-						  post_cmds, /*1*/ 0);
-		if (result != ISC_R_SUCCESS)
-			goto cleanup_rm;
-	}
-#endif /* USE_PKCS11 */
-	if (engine_id != NULL) {
-		e = ENGINE_by_id(engine_id);
+
+	if (engine != NULL && *engine == '\0')
+		engine = NULL;
+
+	if (engine != NULL) {
+		e = ENGINE_by_id(engine);
 		if (e == NULL) {
-			result = ISC_R_NOTFOUND;
+			result = DST_R_NOENGINE;
 			goto cleanup_rm;
 		}
-		if (!ENGINE_init(e)) {
-			result = ISC_R_FAILURE;
-			ENGINE_free(e);
+		/* This will init the engine. */
+		if (!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
+			result = DST_R_NOENGINE;
 			goto cleanup_rm;
 		}
-		ENGINE_set_default(e, ENGINE_METHOD_ALL);
-		ENGINE_free(e);
-	} else {
-		ENGINE_register_all_complete();
-		for (e = ENGINE_get_first(); e != NULL; e = ENGINE_get_next(e)) {
-
-			/*
-			 * Something weird here. If we call ENGINE_finish()
-			 * ENGINE_get_default_RAND() will fail.
-			 */
-			if (ENGINE_init(e)) {
-				if (he == NULL)
-					he = e;
-			}
-		}
 	}
+
 	re = ENGINE_get_default_RAND();
 	if (re == NULL) {
 		re = ENGINE_new();
@@ -263,7 +225,6 @@ dst__openssl_init() {
 		ENGINE_free(re);
 	} else
 		ENGINE_finish(re);
-
 #else
 	RAND_set_rand_method(rm);
 #endif /* USE_ENGINE */
@@ -271,13 +232,18 @@ dst__openssl_init() {
 
 #ifdef USE_ENGINE
  cleanup_rm:
+	if (e != NULL)
+		ENGINE_free(e);
+	e = NULL;
 	mem_free(rm);
+	rm = NULL;
 #endif
  cleanup_mutexinit:
 	CRYPTO_set_locking_callback(NULL);
 	DESTROYMUTEXBLOCK(locks, nlocks);
  cleanup_mutexalloc:
 	mem_free(locks);
+	locks = NULL;
 	return (result);
 }
 
@@ -287,15 +253,22 @@ dst__openssl_destroy() {
 	/*
 	 * Sequence taken from apps_shutdown() in .
 	 */
+	if (rm != NULL) {
+#if OPENSSL_VERSION_NUMBER >= 0x00907000L
+		RAND_cleanup();
+#endif
+		mem_free(rm);
+		rm = NULL;
+	}
 #if (OPENSSL_VERSION_NUMBER >= 0x00907000L)
-	CONF_modules_unload(1);
+	CONF_modules_free();
 #endif
+	OBJ_cleanup();
 	EVP_cleanup();
 #if defined(USE_ENGINE)
-	if (e != NULL) {
-		ENGINE_finish(e);
-		e = NULL;
-	}
+	if (e != NULL)
+		ENGINE_free(e);
+	e = NULL;
 #if defined(USE_ENGINE) && OPENSSL_VERSION_NUMBER >= 0x00907000L
 	ENGINE_cleanup();
 #endif
@@ -304,23 +277,18 @@ dst__openssl_destroy() {
 	CRYPTO_cleanup_all_ex_data();
 #endif
 	ERR_clear_error();
-	ERR_free_strings();
 	ERR_remove_state(0);
+	ERR_free_strings();
 
 #ifdef  DNS_CRYPTO_LEAKS
 	CRYPTO_mem_leaks_fp(stderr);
 #endif
 
-	if (rm != NULL) {
-#if OPENSSL_VERSION_NUMBER >= 0x00907000L
-		RAND_cleanup();
-#endif
-		mem_free(rm);
-	}
 	if (locks != NULL) {
 		CRYPTO_set_locking_callback(NULL);
 		DESTROYMUTEXBLOCK(locks, nlocks);
 		mem_free(locks);
+		locks = NULL;
 	}
 }
 
@@ -341,91 +309,18 @@ dst__openssl_toresult(isc_result_t fallback) {
 }
 
 ENGINE *
-dst__openssl_getengine(const char *name) {
-
-	UNUSED(name);
-
+dst__openssl_getengine(const char *engine) {
 
+	if (engine == NULL)
+		return (NULL);
 #if defined(USE_ENGINE)
-	return (he);
-#else
-	return (NULL);
-#endif
-}
-
-isc_result_t
-dst__openssl_setdefault(const char *name) {
-
-	UNUSED(name);
-
-#if defined(USE_ENGINE)
-	ENGINE_set_default(e, ENGINE_METHOD_ALL);
-#endif
-	/*
-	 * XXXMPA If the engine does not have a default RAND method
-	 * restore our method.
-	 */
-	return (ISC_R_SUCCESS);
-}
-
-#ifdef USE_PKCS11
-/*
- * 'name' is the name the engine is known by to the dst library.
- * This may or may not match the name the engine is known by to
- * openssl.  It is the name that is stored in the private key file.
- *
- * 'engine_id' is the openssl engine name.
- *
- * pre_cmds and post_cmds a sequence if command argument pairs
- * pre_num and post_num are a count of those pairs.
- *
- * "SO_PATH", PKCS11_SO_PATH ("/usr/local/lib/engines/engine_pkcs11.so")
- * "LOAD", NULL
- * "MODULE_PATH", PKCS11_MODULE_PATH ("/usr/lib/libpkcs11.so")
- */
-static isc_result_t
-dst__openssl_load_engine(const char *name, const char *engine_id,
-			 const char **pre_cmds, int pre_num,
-			 const char **post_cmds, int post_num)
-{
-	ENGINE *e;
-
-	UNUSED(name);
-
-	if (!strcasecmp(engine_id, "dynamic"))
-		ENGINE_load_dynamic();
-	e = ENGINE_by_id(engine_id);
 	if (e == NULL)
-		return (ISC_R_NOTFOUND);
-	while (pre_num--) {
-		if (!ENGINE_ctrl_cmd_string(e, pre_cmds[0], pre_cmds[1], 0)) {
-			ENGINE_free(e);
-			return (ISC_R_FAILURE);
-		}
-		pre_cmds += 2;
-	}
-	if (!ENGINE_init(e)) {
-		ENGINE_free(e);
-		return (ISC_R_FAILURE);
-	}
-	/*
-	 * ENGINE_init() returned a functional reference, so free the
-	 * structural reference from ENGINE_by_id().
-	 */
-	ENGINE_free(e);
-	while (post_num--) {
-		if (!ENGINE_ctrl_cmd_string(e, post_cmds[0], post_cmds[1], 0)) {
-			ENGINE_free(e);
-			return (ISC_R_FAILURE);
-		}
-		post_cmds += 2;
-	}
-	if (he != NULL)
-		ENGINE_finish(he);
-	he = e;
-	return (ISC_R_SUCCESS);
+		return (NULL);
+	if (strcmp(engine, ENGINE_get_id(e)) == 0)
+		return (e);
+#endif
+	return (NULL);
 }
-#endif /* USE_PKCS11 */
 
 #else /* OPENSSL */
 
diff --git a/lib/dns/openssldh_link.c b/lib/dns/openssldh_link.c
index e31137f..9deda6b 100644
--- a/lib/dns/openssldh_link.c
+++ b/lib/dns/openssldh_link.c
@@ -1,5 +1,5 @@
 /*
- * Portions Copyright (C) 2004-2008  Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (C) 2004-2009, 2011  Internet Systems Consortium, Inc. ("ISC")
  * Portions Copyright (C) 1999-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -31,7 +31,7 @@
 
 /*
  * Principal Author: Brian Wellington
- * $Id: openssldh_link.c,v 1.14 2008-04-01 23:47:10 tbox Exp $
+ * $Id: openssldh_link.c,v 1.20 2011-01-11 23:47:13 tbox Exp $
  */
 
 #ifdef OPENSSL
@@ -149,12 +149,37 @@ openssldh_paramcompare(const dst_key_t *key1, const dst_key_t *key2) {
 	return (ISC_TRUE);
 }
 
+#if OPENSSL_VERSION_NUMBER > 0x00908000L
+static int
+progress_cb(int p, int n, BN_GENCB *cb)
+{
+	union {
+		void *dptr;
+		void (*fptr)(int);
+	} u;
+
+	UNUSED(n);
+
+	u.dptr = cb->arg;
+	if (u.fptr != NULL)
+		u.fptr(p);
+	return (1);
+}
+#endif
+
 static isc_result_t
-openssldh_generate(dst_key_t *key, int generator) {
+openssldh_generate(dst_key_t *key, int generator, void (*callback)(int)) {
+	DH *dh = NULL;
 #if OPENSSL_VERSION_NUMBER > 0x00908000L
 	BN_GENCB cb;
+	union {
+		void *dptr;
+		void (*fptr)(int);
+	} u;
+#else
+
+	UNUSED(callback);
 #endif
-	DH *dh = NULL;
 
 	if (generator == 0) {
 		if (key->key_size == 768 ||
@@ -181,7 +206,12 @@ openssldh_generate(dst_key_t *key, int generator) {
 		if (dh == NULL)
 			return (dst__openssl_toresult(DST_R_OPENSSLFAILURE));
 
-		BN_GENCB_set_old(&cb, NULL, NULL);
+		if (callback == NULL) {
+			BN_GENCB_set_old(&cb, NULL, NULL);
+		} else {
+			u.fptr = callback;
+			BN_GENCB_set(&cb, &progress_cb, u.dptr);
+		}
 
 		if (!DH_generate_parameters_ex(dh, key->key_size, generator,
 					       &cb)) {
@@ -476,7 +506,7 @@ openssldh_tofile(const dst_key_t *key, const char *directory) {
 }
 
 static isc_result_t
-openssldh_parse(dst_key_t *key, isc_lex_t *lexer) {
+openssldh_parse(dst_key_t *key, isc_lex_t *lexer, dst_key_t *pub) {
 	dst_private_t priv;
 	isc_result_t ret;
 	int i;
@@ -484,6 +514,7 @@ openssldh_parse(dst_key_t *key, isc_lex_t *lexer) {
 	isc_mem_t *mctx;
 #define DST_RET(a) {ret = a; goto err;}
 
+	UNUSED(pub);
 	mctx = key->mctx;
 
 	/* read private key file */
@@ -609,6 +640,8 @@ static dst_func_t openssldh_functions = {
 	openssldh_parse,
 	openssldh_cleanup,
 	NULL, /*%< fromlabel */
+	NULL, /*%< dump */
+	NULL, /*%< restore */
 };
 
 isc_result_t
diff --git a/lib/dns/openssldsa_link.c b/lib/dns/openssldsa_link.c
index c563d9b..ae88d4c 100644
--- a/lib/dns/openssldsa_link.c
+++ b/lib/dns/openssldsa_link.c
@@ -1,5 +1,5 @@
 /*
- * Portions Copyright (C) 2004-2009  Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (C) 2004-2009, 2011  Internet Systems Consortium, Inc. ("ISC")
  * Portions Copyright (C) 1999-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -29,7 +29,7 @@
  * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: openssldsa_link.c,v 1.13.120.2 2009-01-14 23:47:26 tbox Exp $ */
+/* $Id: openssldsa_link.c,v 1.20 2011-01-11 23:47:13 tbox Exp $ */
 
 #ifdef OPENSSL
 #ifndef USE_EVP
@@ -313,15 +313,40 @@ openssldsa_compare(const dst_key_t *key1, const dst_key_t *key2) {
 	return (ISC_TRUE);
 }
 
-static isc_result_t
-openssldsa_generate(dst_key_t *key, int unused) {
 #if OPENSSL_VERSION_NUMBER > 0x00908000L
-	BN_GENCB cb;
+static int
+progress_cb(int p, int n, BN_GENCB *cb)
+{
+	union {
+		void *dptr;
+		void (*fptr)(int);
+	} u;
+
+	UNUSED(n);
+
+	u.dptr = cb->arg;
+	if (u.fptr != NULL)
+		u.fptr(p);
+	return (1);
+}
 #endif
+
+static isc_result_t
+openssldsa_generate(dst_key_t *key, int unused, void (*callback)(int)) {
 	DSA *dsa;
 	unsigned char rand_array[ISC_SHA1_DIGESTLENGTH];
 	isc_result_t result;
+#if OPENSSL_VERSION_NUMBER > 0x00908000L
+	BN_GENCB cb;
+	union {
+		void *dptr;
+		void (*fptr)(int);
+	} u;
+
+#else
 
+	UNUSED(callback);
+#endif
 	UNUSED(unused);
 
 	result = dst__entropy_getdata(rand_array, sizeof(rand_array),
@@ -334,7 +359,12 @@ openssldsa_generate(dst_key_t *key, int unused) {
 	if (dsa == NULL)
 		return (dst__openssl_toresult(DST_R_OPENSSLFAILURE));
 
-	BN_GENCB_set_old(&cb, NULL, NULL);
+	if (callback == NULL) {
+		BN_GENCB_set_old(&cb, NULL, NULL);
+	} else {
+		u.fptr = callback;
+		BN_GENCB_set(&cb, &progress_cb, u.dptr);
+	}
 
 	if (!DSA_generate_parameters_ex(dsa, key->key_size, rand_array,
 					ISC_SHA1_DIGESTLENGTH,  NULL, NULL,
@@ -512,7 +542,7 @@ openssldsa_tofile(const dst_key_t *key, const char *directory) {
 }
 
 static isc_result_t
-openssldsa_parse(dst_key_t *key, isc_lex_t *lexer) {
+openssldsa_parse(dst_key_t *key, isc_lex_t *lexer, dst_key_t *pub) {
 	dst_private_t priv;
 	isc_result_t ret;
 	int i;
@@ -520,6 +550,7 @@ openssldsa_parse(dst_key_t *key, isc_lex_t *lexer) {
 	isc_mem_t *mctx = key->mctx;
 #define DST_RET(a) {ret = a; goto err;}
 
+	UNUSED(pub);
 	/* read private key file */
 	ret = dst__privstruct_parse(key, DST_ALG_DSA, lexer, mctx, &priv);
 	if (ret != ISC_R_SUCCESS)
@@ -587,6 +618,8 @@ static dst_func_t openssldsa_functions = {
 	openssldsa_parse,
 	NULL, /*%< cleanup */
 	NULL, /*%< fromlabel */
+	NULL, /*%< dump */
+	NULL, /*%< restore */
 };
 
 isc_result_t
diff --git a/lib/dns/opensslgost_link.c b/lib/dns/opensslgost_link.c
new file mode 100644
index 0000000..1b029db
--- /dev/null
+++ b/lib/dns/opensslgost_link.c
@@ -0,0 +1,418 @@
+/*
+ * Copyright (C) 2010, 2011  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: opensslgost_link.c,v 1.5 2011-01-19 23:47:12 tbox Exp $ */
+
+#include 
+
+#ifdef HAVE_OPENSSL_GOST
+
+#include 
+#include 
+#include 
+#include 
+
+#include 
+
+#include "dst_internal.h"
+#include "dst_openssl.h"
+#include "dst_parse.h"
+
+#include 
+#include 
+#include 
+#include 
+
+static ENGINE *e = NULL;
+static const EVP_MD *opensslgost_digest;
+extern const EVP_MD *EVP_gost(void);
+
+const EVP_MD *EVP_gost(void) {
+	return (opensslgost_digest);
+}
+
+#define DST_RET(a) {ret = a; goto err;}
+
+static isc_result_t opensslgost_todns(const dst_key_t *key,
+				      isc_buffer_t *data);
+
+static isc_result_t
+opensslgost_createctx(dst_key_t *key, dst_context_t *dctx) {
+	EVP_MD_CTX *evp_md_ctx;
+	const EVP_MD *md = EVP_gost();
+
+	UNUSED(key);
+
+	if (md == NULL)
+		return (DST_R_OPENSSLFAILURE);
+
+	evp_md_ctx = EVP_MD_CTX_create();
+	if (evp_md_ctx == NULL)
+		return (ISC_R_NOMEMORY);
+
+	if (!EVP_DigestInit_ex(evp_md_ctx, md, NULL)) {
+		EVP_MD_CTX_destroy(evp_md_ctx);
+		return (ISC_R_FAILURE);
+	}
+	dctx->ctxdata.evp_md_ctx = evp_md_ctx;
+
+	return (ISC_R_SUCCESS);
+}
+
+static void
+opensslgost_destroyctx(dst_context_t *dctx) {
+	EVP_MD_CTX *evp_md_ctx = dctx->ctxdata.evp_md_ctx;
+
+	if (evp_md_ctx != NULL) {
+		EVP_MD_CTX_destroy(evp_md_ctx);
+		dctx->ctxdata.evp_md_ctx = NULL;
+	}
+}
+
+static isc_result_t
+opensslgost_adddata(dst_context_t *dctx, const isc_region_t *data) {
+	EVP_MD_CTX *evp_md_ctx = dctx->ctxdata.evp_md_ctx;
+
+	if (!EVP_DigestUpdate(evp_md_ctx, data->base, data->length))
+		return (ISC_R_FAILURE);
+
+	return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+opensslgost_sign(dst_context_t *dctx, isc_buffer_t *sig) {
+	dst_key_t *key = dctx->key;
+	isc_region_t r;
+	unsigned int siglen = 0;
+	EVP_MD_CTX *evp_md_ctx = dctx->ctxdata.evp_md_ctx;
+	EVP_PKEY *pkey = key->keydata.pkey;
+
+	isc_buffer_availableregion(sig, &r);
+
+	if (r.length < (unsigned int) EVP_PKEY_size(pkey))
+		return (ISC_R_NOSPACE);
+
+	if (!EVP_SignFinal(evp_md_ctx, r.base, &siglen, pkey))
+		return (ISC_R_FAILURE);
+
+	isc_buffer_add(sig, siglen);
+
+	return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+opensslgost_verify(dst_context_t *dctx, const isc_region_t *sig) {
+	dst_key_t *key = dctx->key;
+	int status = 0;
+	EVP_MD_CTX *evp_md_ctx = dctx->ctxdata.evp_md_ctx;
+	EVP_PKEY *pkey = key->keydata.pkey;
+
+	status = EVP_VerifyFinal(evp_md_ctx, sig->base, sig->length, pkey);
+	if (status != 1)
+		return (dst__openssl_toresult(DST_R_VERIFYFAILURE));
+
+	return (ISC_R_SUCCESS);
+}
+
+static isc_boolean_t
+opensslgost_compare(const dst_key_t *key1, const dst_key_t *key2) {
+	EVP_PKEY *pkey1, *pkey2;
+
+	pkey1 = key1->keydata.pkey;
+	pkey2 = key2->keydata.pkey;
+
+	if (pkey1 == NULL && pkey2 == NULL)
+		return (ISC_TRUE);
+	else if (pkey1 == NULL || pkey2 == NULL)
+		return (ISC_FALSE);
+
+	if (EVP_PKEY_cmp(pkey1, pkey2) != 1)
+		return (ISC_FALSE);
+	return (ISC_TRUE);
+}
+
+static int
+progress_cb(EVP_PKEY_CTX *ctx)
+{
+	union {
+		void *dptr;
+		void (*fptr)(int);
+	} u;
+	int p;
+
+	u.dptr = EVP_PKEY_CTX_get_app_data(ctx);
+	p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
+	if (u.fptr != NULL)
+		u.fptr(p);
+	return (1);
+}
+
+static isc_result_t
+opensslgost_generate(dst_key_t *key, int unused, void (*callback)(int)) {
+	EVP_PKEY_CTX *ctx;
+	union {
+		void *dptr;
+		void (*fptr)(int);
+	} u;
+	EVP_PKEY *pkey = NULL;
+
+	UNUSED(unused);
+	ctx = EVP_PKEY_CTX_new_id(NID_id_GostR3410_2001, NULL);
+	if (ctx == NULL)
+		goto err;
+	if (callback != NULL) {
+		u.fptr = callback;
+		EVP_PKEY_CTX_set_app_data(ctx, u.dptr);
+		EVP_PKEY_CTX_set_cb(ctx, &progress_cb);
+	}
+	if (EVP_PKEY_keygen_init(ctx) <= 0)
+		goto err;
+	if (EVP_PKEY_CTX_ctrl_str(ctx, "paramset", "A") <= 0)
+		goto err;
+	if (EVP_PKEY_keygen(ctx, &pkey) <= 0)
+		goto err;
+	key->keydata.pkey = pkey;
+	EVP_PKEY_CTX_free(ctx);
+	return (ISC_R_SUCCESS);
+
+err:
+	if (pkey != NULL)
+		EVP_PKEY_free(pkey);
+	if (ctx != NULL)
+		EVP_PKEY_CTX_free(ctx);
+	return (dst__openssl_toresult(DST_R_OPENSSLFAILURE));
+}
+
+static isc_boolean_t
+opensslgost_isprivate(const dst_key_t *key) {
+	EVP_PKEY *pkey = key->keydata.pkey;
+	EC_KEY *ec;
+
+	INSIST(pkey != NULL);
+
+	ec = EVP_PKEY_get0(pkey);
+	return (ISC_TF(ec != NULL && EC_KEY_get0_private_key(ec) != NULL));
+}
+
+static void
+opensslgost_destroy(dst_key_t *key) {
+	EVP_PKEY *pkey = key->keydata.pkey;
+
+	EVP_PKEY_free(pkey);
+	key->keydata.pkey = NULL;
+}
+
+unsigned char gost_prefix[37] = {
+	0x30, 0x63, 0x30, 0x1c, 0x06, 0x06, 0x2a, 0x85,
+	0x03, 0x02, 0x02, 0x13, 0x30, 0x12, 0x06, 0x07,
+	0x2a, 0x85, 0x03, 0x02, 0x02, 0x23, 0x01, 0x06,
+	0x07, 0x2a, 0x85, 0x03, 0x02, 0x02, 0x1e, 0x01,
+	0x03, 0x43, 0x00, 0x04, 0x40
+};
+
+static isc_result_t
+opensslgost_todns(const dst_key_t *key, isc_buffer_t *data) {
+	EVP_PKEY *pkey;
+	isc_region_t r;
+	unsigned char der[37 + 64], *p;
+	int len;
+
+	REQUIRE(key->keydata.pkey != NULL);
+
+	pkey = key->keydata.pkey;
+
+	isc_buffer_availableregion(data, &r);
+	if (r.length < 64)
+		return (ISC_R_NOSPACE);
+
+	p = der;
+	len = i2d_PUBKEY(pkey, &p);
+	INSIST(len == sizeof(der));
+	INSIST(memcmp(gost_prefix, der, 37) == 0);
+	memcpy(r.base, der + 37, 64);
+	isc_buffer_add(data, 64);
+
+	return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+opensslgost_fromdns(dst_key_t *key, isc_buffer_t *data) {
+	isc_region_t r;
+	EVP_PKEY *pkey = NULL;
+	unsigned char der[37 + 64];
+	const unsigned char *p;
+
+	isc_buffer_remainingregion(data, &r);
+	if (r.length == 0)
+		return (ISC_R_SUCCESS);
+
+	if (r.length != 64)
+		return (DST_R_INVALIDPUBLICKEY);
+	memcpy(der, gost_prefix, 37);
+	memcpy(der + 37, r.base, 64);
+	isc_buffer_forward(data, 64);
+
+	p = der;
+	if (d2i_PUBKEY(&pkey, &p, (long) sizeof(der)) == NULL)
+		return (dst__openssl_toresult(DST_R_OPENSSLFAILURE));
+	key->keydata.pkey = pkey;
+
+	return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+opensslgost_tofile(const dst_key_t *key, const char *directory) {
+	EVP_PKEY *pkey;
+	dst_private_t priv;
+	isc_result_t result;
+	unsigned char *der, *p;
+	int len;
+
+	if (key->keydata.pkey == NULL)
+		return (DST_R_NULLKEY);
+
+	pkey = key->keydata.pkey;
+
+	len = i2d_PrivateKey(pkey, NULL);
+	der = isc_mem_get(key->mctx, (size_t) len);
+	if (der == NULL)
+		return (ISC_R_NOMEMORY);
+
+	p = der;
+	if (i2d_PrivateKey(pkey, &p) != len) {
+		result = dst__openssl_toresult(DST_R_OPENSSLFAILURE);
+		goto fail;
+	}
+
+	priv.elements[0].tag = TAG_GOST_PRIVASN1;
+	priv.elements[0].length = len;
+	priv.elements[0].data = der;
+	priv.nelements = GOST_NTAGS;
+
+	result = dst__privstruct_writefile(key, &priv, directory);
+ fail:
+	if (der != NULL)
+		isc_mem_put(key->mctx, der, (size_t) len);
+	return (result);
+}
+
+static isc_result_t
+opensslgost_parse(dst_key_t *key, isc_lex_t *lexer, dst_key_t *pub) {
+	dst_private_t priv;
+	isc_result_t ret;
+	isc_mem_t *mctx = key->mctx;
+	EVP_PKEY *pkey = NULL;
+	const unsigned char *p;
+
+	UNUSED(pub);
+
+	/* read private key file */
+	ret = dst__privstruct_parse(key, DST_ALG_ECCGOST, lexer, mctx, &priv);
+	if (ret != ISC_R_SUCCESS)
+		return (ret);
+
+	INSIST(priv.elements[0].tag == TAG_GOST_PRIVASN1);
+	p = priv.elements[0].data;
+	if (d2i_PrivateKey(NID_id_GostR3410_2001, &pkey, &p,
+			   (long) priv.elements[0].length) == NULL)
+		DST_RET(DST_R_INVALIDPRIVATEKEY);
+	key->keydata.pkey = pkey;
+	key->key_size = EVP_PKEY_bits(pkey);
+	dst__privstruct_free(&priv, mctx);
+	memset(&priv, 0, sizeof(priv));
+	return (ISC_R_SUCCESS);
+
+ err:
+	if (pkey != NULL)
+		EVP_PKEY_free(pkey);
+	opensslgost_destroy(key);
+	dst__privstruct_free(&priv, mctx);
+	memset(&priv, 0, sizeof(priv));
+	return (ret);
+}
+
+static void
+opensslgost_cleanup(void) {
+	if (e != NULL) {
+		ENGINE_finish(e);
+		ENGINE_free(e);
+		e = NULL;
+	}
+}
+
+static dst_func_t opensslgost_functions = {
+	opensslgost_createctx,
+	opensslgost_destroyctx,
+	opensslgost_adddata,
+	opensslgost_sign,
+	opensslgost_verify,
+	NULL, /*%< computesecret */
+	opensslgost_compare,
+	NULL, /*%< paramcompare */
+	opensslgost_generate,
+	opensslgost_isprivate,
+	opensslgost_destroy,
+	opensslgost_todns,
+	opensslgost_fromdns,
+	opensslgost_tofile,
+	opensslgost_parse,
+	opensslgost_cleanup,
+	NULL, /*%< fromlabel */
+	NULL, /*%< dump */
+	NULL  /*%< restore */
+};
+
+isc_result_t
+dst__opensslgost_init(dst_func_t **funcp) {
+	REQUIRE(funcp != NULL);
+
+	/* check if the gost engine works properly */
+	e = ENGINE_by_id("gost");
+	if (e == NULL)
+		return (DST_R_OPENSSLFAILURE);
+	if (ENGINE_init(e) <= 0) {
+		ENGINE_free(e);
+		e = NULL;
+		return (DST_R_OPENSSLFAILURE);
+	}
+	/* better than to rely on digest_gost symbol */
+	opensslgost_digest = ENGINE_get_digest(e, NID_id_GostR3411_94);
+	/* from openssl.cnf */
+	if ((opensslgost_digest == NULL) ||
+	    (ENGINE_register_pkey_asn1_meths(e) <= 0) ||
+	    (ENGINE_ctrl_cmd_string(e,
+				    "CRYPT_PARAMS",
+				    "id-Gost28147-89-CryptoPro-A-ParamSet",
+				    0) <= 0)) {
+		ENGINE_finish(e);
+		ENGINE_free(e);
+		e = NULL;
+		return (DST_R_OPENSSLFAILURE);
+	}
+
+	if (*funcp == NULL)
+		*funcp = &opensslgost_functions;
+	return (ISC_R_SUCCESS);
+}
+
+#else /* HAVE_OPENSSL_GOST */
+
+#include 
+
+EMPTY_TRANSLATION_UNIT
+
+#endif /* HAVE_OPENSSL_GOST */
+/*! \file */
diff --git a/lib/dns/opensslrsa_link.c b/lib/dns/opensslrsa_link.c
index 1e3c5c2..fcdc9f0 100644
--- a/lib/dns/opensslrsa_link.c
+++ b/lib/dns/opensslrsa_link.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2010  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2009, 2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -17,7 +17,7 @@
 
 /*
  * Principal Author: Brian Wellington
- * $Id: opensslrsa_link.c,v 1.20.50.8 2010-01-22 02:36:49 marka Exp $
+ * $Id: opensslrsa_link.c,v 1.39 2011-01-11 23:47:13 tbox Exp $
  */
 #ifdef OPENSSL
 #include 
@@ -30,6 +30,7 @@
 #endif
 #endif
 
+
 #include 
 #include 
 #include 
@@ -368,7 +369,7 @@ opensslrsa_sign(dst_context_t *dctx, isc_buffer_t *sig) {
 	RSA *rsa = key->keydata.rsa;
 	/* note: ISC_SHA512_DIGESTLENGTH >= ISC_*_DIGESTLENGTH */
 	unsigned char digest[PREFIXLEN + ISC_SHA512_DIGESTLENGTH];
-	int status = 0;
+	int status;
 	int type = 0;
 	unsigned int digestlen = 0;
 	char *message;
@@ -703,10 +704,32 @@ opensslrsa_compare(const dst_key_t *key1, const dst_key_t *key2) {
 	return (ISC_TRUE);
 }
 
+#if OPENSSL_VERSION_NUMBER > 0x00908000L
+static int
+progress_cb(int p, int n, BN_GENCB *cb)
+{
+	union {
+		void *dptr;
+		void (*fptr)(int);
+	} u;
+
+	UNUSED(n);
+
+	u.dptr = cb->arg;
+	if (u.fptr != NULL)
+		u.fptr(p);
+	return (1);
+}
+#endif
+
 static isc_result_t
-opensslrsa_generate(dst_key_t *key, int exp) {
+opensslrsa_generate(dst_key_t *key, int exp, void (*callback)(int)) {
 #if OPENSSL_VERSION_NUMBER > 0x00908000L
 	BN_GENCB cb;
+	union {
+		void *dptr;
+		void (*fptr)(int);
+	} u;
 	RSA *rsa = RSA_new();
 	BIGNUM *e = BN_new();
 #if USE_EVP
@@ -732,7 +755,12 @@ opensslrsa_generate(dst_key_t *key, int exp) {
 		BN_set_bit(e, 32);
 	}
 
-	BN_GENCB_set_old(&cb, NULL, NULL);
+	if (callback == NULL) {
+		BN_GENCB_set_old(&cb, NULL, NULL);
+	} else {
+		u.fptr = callback;
+		BN_GENCB_set(&cb, &progress_cb, u.dptr);
+	}
 
 	if (RSA_generate_key_ex(rsa, key->key_size, e, &cb)) {
 		BN_free(e);
@@ -763,8 +791,12 @@ err:
 #if USE_EVP
 	EVP_PKEY *pkey = EVP_PKEY_new();
 
+	UNUSED(callback);
+
 	if (pkey == NULL)
 		return (ISC_R_NOMEMORY);
+#else
+	UNUSED(callback);
 #endif
 
 	if (exp == 0)
@@ -1059,8 +1091,9 @@ opensslrsa_tofile(const dst_key_t *key, const char *directory) {
 		i++;
 	}
 
+
 	priv.nelements = i;
-	result =  dst__privstruct_writefile(key, &priv, directory);
+	result = dst__privstruct_writefile(key, &priv, directory);
  fail:
 #if USE_EVP
 	RSA_free(rsa);
@@ -1074,16 +1107,52 @@ opensslrsa_tofile(const dst_key_t *key, const char *directory) {
 }
 
 static isc_result_t
-opensslrsa_parse(dst_key_t *key, isc_lex_t *lexer) {
+rsa_check(RSA *rsa, RSA *pub)
+{
+	/* Public parameters should be the same but if they are not set
+	 * copy them from the public key. */
+	if (pub != NULL) {
+		if (rsa->n != NULL) {
+			if (BN_cmp(rsa->n, pub->n) != 0)
+				return (DST_R_INVALIDPRIVATEKEY);
+		} else {
+			rsa->n = pub->n;
+			pub->n = NULL;
+		}
+		if (rsa->e != NULL) {
+			if (BN_cmp(rsa->e, pub->e) != 0)
+				return (DST_R_INVALIDPRIVATEKEY);
+		} else {
+			rsa->e = pub->e;
+			pub->e = NULL;
+		}
+	}
+	if (rsa->n == NULL || rsa->e == NULL)
+		return (DST_R_INVALIDPRIVATEKEY);
+	return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+opensslrsa_parse(dst_key_t *key, isc_lex_t *lexer, dst_key_t *pub) {
 	dst_private_t priv;
 	isc_result_t ret;
 	int i;
-	RSA *rsa = NULL;
+	RSA *rsa = NULL, *pubrsa = NULL;
 	ENGINE *e = NULL;
 	isc_mem_t *mctx = key->mctx;
-	const char *name = NULL, *label = NULL;
+	const char *engine = NULL, *label = NULL;
 	EVP_PKEY *pkey = NULL;
 
+#if USE_EVP
+	if (pub != NULL && pub->keydata.pkey != NULL)
+		pubrsa = EVP_PKEY_get1_RSA(pub->keydata.pkey);
+#else
+	if (pub != NULL && pub->keydata.rsa != NULL) {
+		pubrsa = pub->keydata.rsa;
+		pub->keydata.rsa = NULL;
+	}
+#endif
+
 	/* read private key file */
 	ret = dst__privstruct_parse(key, DST_ALG_RSA, lexer, mctx, &priv);
 	if (ret != ISC_R_SUCCESS)
@@ -1092,7 +1161,7 @@ opensslrsa_parse(dst_key_t *key, isc_lex_t *lexer) {
 	for (i = 0; i < priv.nelements; i++) {
 		switch (priv.elements[i].tag) {
 		case TAG_RSA_ENGINE:
-			name = (char *)priv.elements[i].data;
+			engine = (char *)priv.elements[i].data;
 			break;
 		case TAG_RSA_LABEL:
 			label = (char *)priv.elements[i].data;
@@ -1105,10 +1174,10 @@ opensslrsa_parse(dst_key_t *key, isc_lex_t *lexer) {
 	 * Is this key is stored in a HSM?
 	 * See if we can fetch it.
 	 */
-	if (name != NULL || label != NULL) {
-		INSIST(name != NULL);
-		INSIST(label != NULL);
-		e = dst__openssl_getengine(name);
+	if (label != NULL) {
+		if (engine == NULL)
+			DST_RET(DST_R_NOENGINE);
+		e = dst__openssl_getengine(engine);
 		if (e == NULL)
 			DST_RET(DST_R_NOENGINE);
 		pkey = ENGINE_load_private_key(e, label, NULL, NULL);
@@ -1116,22 +1185,29 @@ opensslrsa_parse(dst_key_t *key, isc_lex_t *lexer) {
 			/* ERR_print_errors_fp(stderr); */
 			DST_RET(ISC_R_NOTFOUND);
 		}
-		key->engine = isc_mem_strdup(key->mctx, name);
+		key->engine = isc_mem_strdup(key->mctx, engine);
 		if (key->engine == NULL)
 			DST_RET(ISC_R_NOMEMORY);
 		key->label = isc_mem_strdup(key->mctx, label);
 		if (key->label == NULL)
 			DST_RET(ISC_R_NOMEMORY);
+		rsa = EVP_PKEY_get1_RSA(pkey);
+		if (rsa == NULL)
+			DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
+		if (rsa_check(rsa, pubrsa) != ISC_R_SUCCESS)
+			DST_RET(DST_R_INVALIDPRIVATEKEY);
+		if (pubrsa != NULL)
+			RSA_free(pubrsa);
 		key->key_size = EVP_PKEY_bits(pkey);
 #if USE_EVP
 		key->keydata.pkey = pkey;
+		RSA_free(rsa);
 #else
-		key->keydata.rsa = EVP_PKEY_get1_RSA(pkey);
-		if (rsa == NULL)
-			DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
+		key->keydata.rsa = rsa;
 		EVP_PKEY_free(pkey);
 #endif
 		dst__privstruct_free(&priv, mctx);
+		memset(&priv, 0, sizeof(priv));
 		return (ISC_R_SUCCESS);
 	}
 
@@ -1144,9 +1220,8 @@ opensslrsa_parse(dst_key_t *key, isc_lex_t *lexer) {
 	pkey = EVP_PKEY_new();
 	if (pkey == NULL)
 		DST_RET(ISC_R_NOMEMORY);
-	if (!EVP_PKEY_set1_RSA(pkey, rsa)) {
+	if (!EVP_PKEY_set1_RSA(pkey, rsa))
 		DST_RET(ISC_R_FAILURE);
-	}
 	key->keydata.pkey = pkey;
 #else
 	key->keydata.rsa = rsa;
@@ -1196,8 +1271,13 @@ opensslrsa_parse(dst_key_t *key, isc_lex_t *lexer) {
 		}
 	}
 	dst__privstruct_free(&priv, mctx);
+	memset(&priv, 0, sizeof(priv));
 
+	if (rsa_check(rsa, pubrsa) != ISC_R_SUCCESS)
+		DST_RET(DST_R_INVALIDPRIVATEKEY);
 	key->key_size = BN_num_bits(rsa->n);
+	if (pubrsa != NULL)
+		RSA_free(pubrsa);
 #if USE_EVP
 	RSA_free(rsa);
 #endif
@@ -1211,6 +1291,8 @@ opensslrsa_parse(dst_key_t *key, isc_lex_t *lexer) {
 #endif
 	if (rsa != NULL)
 		RSA_free(rsa);
+	if (pubrsa != NULL)
+		RSA_free(pubrsa);
 	opensslrsa_destroy(key);
 	dst__privstruct_free(&priv, mctx);
 	memset(&priv, 0, sizeof(priv));
@@ -1224,33 +1306,63 @@ opensslrsa_fromlabel(dst_key_t *key, const char *engine, const char *label,
 	ENGINE *e = NULL;
 	isc_result_t ret;
 	EVP_PKEY *pkey = NULL;
+	RSA *rsa = NULL, *pubrsa = NULL;
+	char *colon;
 
 	UNUSED(pin);
 
+	if (engine == NULL)
+		DST_RET(DST_R_NOENGINE);
 	e = dst__openssl_getengine(engine);
 	if (e == NULL)
 		DST_RET(DST_R_NOENGINE);
+	pkey = ENGINE_load_public_key(e, label, NULL, NULL);
+	if (pkey != NULL) {
+		pubrsa = EVP_PKEY_get1_RSA(pkey);
+		EVP_PKEY_free(pkey);
+		if (pubrsa == NULL)
+			DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
+	}
 	pkey = ENGINE_load_private_key(e, label, NULL, NULL);
 	if (pkey == NULL)
 		DST_RET(ISC_R_NOTFOUND);
-	key->engine = isc_mem_strdup(key->mctx, label);
-	if (key->engine == NULL)
-		DST_RET(ISC_R_NOMEMORY);
+	if (engine != NULL) {
+		key->engine = isc_mem_strdup(key->mctx, engine);
+		if (key->engine == NULL)
+			DST_RET(ISC_R_NOMEMORY);
+	} else {
+		key->engine = isc_mem_strdup(key->mctx, label);
+		if (key->engine == NULL)
+			DST_RET(ISC_R_NOMEMORY);
+		colon = strchr(key->engine, ':');
+		if (colon != NULL)
+			*colon = '\0';
+	}
 	key->label = isc_mem_strdup(key->mctx, label);
 	if (key->label == NULL)
 		DST_RET(ISC_R_NOMEMORY);
+	rsa = EVP_PKEY_get1_RSA(pkey);
+	if (rsa == NULL)
+		DST_RET(dst__openssl_toresult(DST_R_OPENSSLFAILURE));
+	if (rsa_check(rsa, pubrsa) != ISC_R_SUCCESS)
+		DST_RET(DST_R_INVALIDPRIVATEKEY);
+	if (pubrsa != NULL)
+		RSA_free(pubrsa);
 	key->key_size = EVP_PKEY_bits(pkey);
 #if USE_EVP
 	key->keydata.pkey = pkey;
+	RSA_free(rsa);
 #else
-	key->keydata.rsa = EVP_PKEY_get1_RSA(pkey);
+	key->keydata.rsa = rsa;
 	EVP_PKEY_free(pkey);
-	if (key->keydata.rsa == NULL)
-		return (dst__openssl_toresult(DST_R_OPENSSLFAILURE));
 #endif
 	return (ISC_R_SUCCESS);
 
  err:
+	if (rsa != NULL)
+		RSA_free(rsa);
+	if (pubrsa != NULL)
+		RSA_free(pubrsa);
 	if (pkey != NULL)
 		EVP_PKEY_free(pkey);
 	return (ret);
@@ -1274,6 +1386,8 @@ static dst_func_t opensslrsa_functions = {
 	opensslrsa_parse,
 	NULL, /*%< cleanup */
 	opensslrsa_fromlabel,
+	NULL, /*%< dump */
+	NULL, /*%< restore */
 };
 
 isc_result_t
diff --git a/lib/dns/peer.c b/lib/dns/peer.c
index 1e81023..3851c3e 100644
--- a/lib/dns/peer.c
+++ b/lib/dns/peer.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001, 2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: peer.c,v 1.31 2008-04-03 06:09:04 tbox Exp $ */
+/* $Id: peer.c,v 1.33 2009-09-02 23:48:02 tbox Exp $ */
 
 /*! \file */
 
@@ -536,7 +536,7 @@ dns_peer_setkeybycharp(dns_peer_t *peer, const char *keyval) {
 	isc_buffer_init(&b, keyval, strlen(keyval));
 	isc_buffer_add(&b, strlen(keyval));
 	result = dns_name_fromtext(dns_fixedname_name(&fname), &b,
-				   dns_rootname, ISC_FALSE, NULL);
+				   dns_rootname, 0, NULL);
 	if (result != ISC_R_SUCCESS)
 		return (result);
 
diff --git a/lib/dns/private.c b/lib/dns/private.c
new file mode 100644
index 0000000..ba3e8ed
--- /dev/null
+++ b/lib/dns/private.c
@@ -0,0 +1,295 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: private.c,v 1.3 2009-10-09 23:48:09 tbox Exp $ */
+
+#include "config.h"
+
+#include 
+#include 
+#include 
+#include 
+
+#include 
+#include 
+
+/*
+ * We need to build the relevant chain if there exists a NSEC/NSEC3PARAM
+ * at the apex; normally only one or the other of NSEC/NSEC3PARAM will exist.
+ *
+ * If a NSEC3PARAM RRset exists then we will need to build a NSEC chain
+ * if all the NSEC3PARAM records (and associated chains) are slated for
+ * destruction and we have not been told to NOT build the NSEC chain.
+ *
+ * If the NSEC set exist then check to see if there is a request to create
+ * a NSEC3 chain.
+ *
+ * If neither NSEC/NSEC3PARAM RRsets exist at the origin and the private
+ * type exists then we need to examine it to determine if NSEC3 chain has
+ * been requested to be built otherwise a NSEC chain needs to be built.
+ */
+
+#define REMOVE(x) (((x) & DNS_NSEC3FLAG_REMOVE) != 0)
+#define CREATE(x) (((x) & DNS_NSEC3FLAG_CREATE) != 0)
+#define NONSEC(x) (((x) & DNS_NSEC3FLAG_NONSEC) != 0)
+
+#define CHECK(x) do {					\
+			 result = (x);			\
+			 if (result != ISC_R_SUCCESS)	\
+				goto failure;		\
+		 } while (0)
+
+/*
+ * Work out if 'param' should be ignored or not (i.e. it is in the process
+ * of being removed).
+ *
+ * Note: we 'belt-and-braces' here by also checking for a CREATE private
+ * record and keep the param record in this case.
+ */
+
+static isc_boolean_t
+ignore(dns_rdata_t *param, dns_rdataset_t *privateset) {
+	isc_result_t result;
+
+	for (result = dns_rdataset_first(privateset);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rdataset_next(privateset)) {
+		unsigned char buf[DNS_NSEC3PARAM_BUFFERSIZE];
+		dns_rdata_t private = DNS_RDATA_INIT;
+		dns_rdata_t rdata = DNS_RDATA_INIT;
+
+		dns_rdataset_current(privateset, &private);
+		if (!dns_nsec3param_fromprivate(&private, &rdata,
+						buf, sizeof(buf)))
+			continue;
+		/*
+		 * We are going to create a new NSEC3 chain so it
+		 * doesn't matter if we are removing this one.
+		 */
+		if (CREATE(rdata.data[1]))
+			return (ISC_FALSE);
+		if (rdata.data[0] != param->data[0] ||
+		    rdata.data[2] != param->data[2] ||
+		    rdata.data[3] != param->data[3] ||
+		    rdata.data[4] != param->data[4] ||
+		    memcmp(&rdata.data[5], ¶m->data[5], param->data[4]))
+			continue;
+		/*
+		 * The removal of this NSEC3 chain does NOT cause a
+		 * NSEC chain to be created so we don't need to tell
+		 * the caller that it will be removed.
+		 */
+		if (NONSEC(rdata.data[1]))
+			return (ISC_FALSE);
+		return (ISC_TRUE);
+	}
+	return (ISC_FALSE);
+}
+
+isc_result_t
+dns_private_chains(dns_db_t *db, dns_dbversion_t *ver,
+		   dns_rdatatype_t privatetype,
+		   isc_boolean_t *build_nsec, isc_boolean_t *build_nsec3)
+{
+	dns_dbnode_t *node;
+	dns_rdataset_t nsecset, nsec3paramset, privateset;
+	isc_boolean_t nsec3chain;
+	isc_boolean_t signing;
+	isc_result_t result;
+	unsigned char buf[DNS_NSEC3PARAM_BUFFERSIZE];
+	unsigned int count;
+
+	node = NULL;
+	dns_rdataset_init(&nsecset);
+	dns_rdataset_init(&nsec3paramset);
+	dns_rdataset_init(&privateset);
+
+	CHECK(dns_db_getoriginnode(db, &node));
+
+	result = dns_db_findrdataset(db, node, ver, dns_rdatatype_nsec,
+				     0, (isc_stdtime_t) 0, &nsecset, NULL);
+
+	if (result != ISC_R_SUCCESS && result != ISC_R_NOTFOUND)
+		goto failure;
+
+	result = dns_db_findrdataset(db, node, ver, dns_rdatatype_nsec3param,
+				     0, (isc_stdtime_t) 0, &nsec3paramset,
+				     NULL);
+	if (result != ISC_R_SUCCESS && result != ISC_R_NOTFOUND)
+		goto failure;
+
+	if (dns_rdataset_isassociated(&nsecset) &&
+	    dns_rdataset_isassociated(&nsec3paramset)) {
+		if (build_nsec != NULL)
+			*build_nsec = ISC_TRUE;
+		if (build_nsec3 != NULL)
+			*build_nsec3 = ISC_TRUE;
+		goto success;
+	}
+
+	if (privatetype != (dns_rdatatype_t)0) {
+		result = dns_db_findrdataset(db, node, ver, privatetype,
+					     0, (isc_stdtime_t) 0,
+					     &privateset, NULL);
+		if (result != ISC_R_SUCCESS && result != ISC_R_NOTFOUND)
+			goto failure;
+	}
+
+	/*
+	 * Look to see if we also need to be creating a NSEC3 chains.
+	 */
+	if (dns_rdataset_isassociated(&nsecset)) {
+		if (build_nsec != NULL)
+			*build_nsec = ISC_TRUE;
+		if (build_nsec3 != NULL)
+			*build_nsec3 = ISC_FALSE;
+		if (!dns_rdataset_isassociated(&privateset))
+			goto success;
+		for (result = dns_rdataset_first(&privateset);
+		     result == ISC_R_SUCCESS;
+		     result = dns_rdataset_next(&privateset)) {
+			unsigned char buf[DNS_NSEC3PARAM_BUFFERSIZE];
+			dns_rdata_t private = DNS_RDATA_INIT;
+			dns_rdata_t rdata = DNS_RDATA_INIT;
+
+			dns_rdataset_current(&privateset, &private);
+			if (!dns_nsec3param_fromprivate(&private, &rdata,
+							buf, sizeof(buf)))
+				continue;
+			if (REMOVE(rdata.data[1]))
+				continue;
+			if (build_nsec3 != NULL)
+				*build_nsec3 = ISC_TRUE;
+			break;
+		}
+		goto success;
+	}
+
+	if (dns_rdataset_isassociated(&nsec3paramset)) {
+		if (build_nsec3 != NULL)
+			*build_nsec3 = ISC_TRUE;
+		if (build_nsec != NULL)
+			*build_nsec = ISC_FALSE;
+		if (!dns_rdataset_isassociated(&privateset))
+			goto success;
+		/*
+		 * If we are in the process of building a new NSEC3 chain
+		 * then we don't need to build a NSEC chain.
+		 */
+		for (result = dns_rdataset_first(&privateset);
+		     result == ISC_R_SUCCESS;
+		     result = dns_rdataset_next(&privateset)) {
+			dns_rdata_t private = DNS_RDATA_INIT;
+			dns_rdata_t rdata = DNS_RDATA_INIT;
+
+			dns_rdataset_current(&privateset, &private);
+			if (!dns_nsec3param_fromprivate(&private, &rdata,
+							buf, sizeof(buf)))
+				continue;
+			if (CREATE(rdata.data[1]))
+				goto success;
+		}
+
+		/*
+		 * Check to see if there will be a active NSEC3CHAIN once
+		 * the changes queued complete.
+		 */
+		count = 0;
+		for (result = dns_rdataset_first(&nsec3paramset);
+		     result == ISC_R_SUCCESS;
+		     result = dns_rdataset_next(&nsec3paramset)) {
+			dns_rdata_t rdata = DNS_RDATA_INIT;
+
+			/*
+			 * If there is more that one NSEC3 chain present then
+			 * we don't need to construct a NSEC chain.
+			 */
+			if (++count > 1)
+				goto success;
+			dns_rdataset_current(&nsec3paramset, &rdata);
+			if (ignore(&rdata, &privateset))
+				continue;
+			/*
+			 * We still have a good NSEC3 chain or we are
+			 * not creating a NSEC chain as NONSEC is set.
+			 */
+			goto success;
+		}
+
+		/*
+		 * The last NSEC3 chain is being removed and does not have
+		 * have NONSEC set.
+		 */
+		if (build_nsec != NULL)
+			*build_nsec = ISC_TRUE;
+		goto success;
+	}
+
+	if (build_nsec != NULL)
+		*build_nsec = ISC_FALSE;
+	if (build_nsec3 != NULL)
+		*build_nsec3 = ISC_FALSE;
+	if (!dns_rdataset_isassociated(&privateset))
+		goto success;
+
+	signing = ISC_FALSE;
+	nsec3chain = ISC_FALSE;
+
+	for (result = dns_rdataset_first(&privateset);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rdataset_next(&privateset)) {
+		dns_rdata_t rdata = DNS_RDATA_INIT;
+		dns_rdata_t private = DNS_RDATA_INIT;
+
+		dns_rdataset_current(&privateset, &private);
+		if (!dns_nsec3param_fromprivate(&private, &rdata,
+						buf, sizeof(buf))) {
+			/*
+			 * Look for record that says we are signing the
+			 * zone with a key.
+			 */
+			if (private.length == 5 && private.data[0] != 0 &&
+			    private.data[3] == 0 && private.data[4] == 0)
+				signing = ISC_TRUE;
+		} else {
+			if (CREATE(rdata.data[1]))
+				nsec3chain = ISC_TRUE;
+		}
+	}
+
+	if (signing) {
+		if (nsec3chain) {
+			if (build_nsec3 != NULL)
+				*build_nsec3 = ISC_TRUE;
+		} else {
+			if (build_nsec != NULL)
+				*build_nsec = ISC_TRUE;
+		}
+	}
+
+ success:
+	result = ISC_R_SUCCESS;
+ failure:
+	if (dns_rdataset_isassociated(&nsecset))
+		dns_rdataset_disassociate(&nsecset);
+	if (dns_rdataset_isassociated(&nsec3paramset))
+		dns_rdataset_disassociate(&nsec3paramset);
+	if (dns_rdataset_isassociated(&privateset))
+		dns_rdataset_disassociate(&privateset);
+	if (node != NULL)
+		dns_db_detachnode(db, &node);
+	return (result);
+}
diff --git a/lib/dns/rbt.c b/lib/dns/rbt.c
index 5e09db3..6c14e8e 100644
--- a/lib/dns/rbt.c
+++ b/lib/dns/rbt.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: rbt.c,v 1.142.50.3 2009-10-20 05:06:04 marka Exp $ */
+/* $Id: rbt.c,v 1.146 2009-10-27 04:46:58 marka Exp $ */
 
 /*! \file */
 
@@ -537,7 +537,10 @@ dns_rbt_addnode(dns_rbt_t *rbt, dns_name_t *name, dns_rbtnode_t **nodep) {
 				 * current node.
 				 */
 				new_current->is_root = current->is_root;
-				new_current->nsec3 = current->nsec3;
+				if (current->nsec == DNS_RBT_NSEC_HAS_NSEC)
+					new_current->nsec = DNS_RBT_NSEC_NORMAL;
+				else
+					new_current->nsec = current->nsec;
 				PARENT(new_current)  = PARENT(current);
 				LEFT(new_current)    = LEFT(current);
 				RIGHT(new_current)   = RIGHT(current);
@@ -1451,7 +1454,7 @@ create_node(isc_mem_t *mctx, dns_name_t *name, dns_rbtnode_t **nodep) {
 	DIRTY(node) = 0;
 	dns_rbtnode_refinit(node, 0);
 	node->find_callback = 0;
-	node->nsec3 = 0;
+	node->nsec = DNS_RBT_NSEC_NORMAL;
 
 	MAKE_BLACK(node);
 
diff --git a/lib/dns/rbtdb.c b/lib/dns/rbtdb.c
index 87b70e3..d4415d8 100644
--- a/lib/dns/rbtdb.c
+++ b/lib/dns/rbtdb.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2010  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: rbtdb.c,v 1.270.12.26.4.1 2011-06-21 20:13:23 each Exp $ */
+/* $Id: rbtdb.c,v 1.310.8.1.2.1 2011-06-21 20:15:48 each Exp $ */
 
 /*! \file */
 
@@ -53,6 +53,7 @@
 #include 
 #include 
 #include 
+#include 
 #include 
 #include 
 #include 
@@ -441,7 +442,9 @@ typedef struct {
 
 	/* Locked by tree_lock. */
 	dns_rbt_t *                     tree;
+	dns_rbt_t *			nsec;
 	dns_rbt_t *			nsec3;
+	dns_rpz_cidr_t *		rpz_cidr;
 
 	/* Unlocked */
 	unsigned int                    quantum;
@@ -621,8 +624,9 @@ typedef struct rbtdb_dbiterator {
 static void free_rbtdb(dns_rbtdb_t *rbtdb, isc_boolean_t log,
 		       isc_event_t *event);
 static void overmem(dns_db_t *db, isc_boolean_t overmem);
-static void setnsec3parameters(dns_db_t *db, rbtdb_version_t *version,
-			       isc_boolean_t *nsec3createflag);
+#ifdef BIND9
+static void setnsec3parameters(dns_db_t *db, rbtdb_version_t *version);
+#endif
 
 /*%
  * 'init_count' is used to initialize 'newheader->count' which inturn
@@ -830,6 +834,7 @@ free_rbtdb(dns_rbtdb_t *rbtdb, isc_boolean_t log, isc_event_t *event) {
 	isc_ondestroy_t ondest;
 	isc_result_t result;
 	char buf[DNS_NAME_FORMATSIZE];
+	dns_rbt_t **treep;
 	isc_time_t start;
 
 	if (IS_CACHE(rbtdb) && rbtdb->common.rdclass == dns_rdataclass_in)
@@ -866,33 +871,26 @@ free_rbtdb(dns_rbtdb_t *rbtdb, isc_boolean_t log, isc_event_t *event) {
 
 	if (event == NULL)
 		rbtdb->quantum = (rbtdb->task != NULL) ? 100 : 0;
- again:
-	if (rbtdb->tree != NULL) {
-		isc_time_now(&start);
-		result = dns_rbt_destroy2(&rbtdb->tree, rbtdb->quantum);
-		if (result == ISC_R_QUOTA) {
-			INSIST(rbtdb->task != NULL);
-			if (rbtdb->quantum != 0)
-				rbtdb->quantum = adjust_quantum(rbtdb->quantum,
-								&start);
-			if (event == NULL)
-				event = isc_event_allocate(rbtdb->common.mctx,
-							   NULL,
-							 DNS_EVENT_FREESTORAGE,
-							   free_rbtdb_callback,
-							   rbtdb,
-							   sizeof(isc_event_t));
-			if (event == NULL)
-				goto again;
-			isc_task_send(rbtdb->task, &event);
-			return;
+
+	for (;;) {
+		/*
+		 * pick the next tree to (start to) destroy
+		 */
+		treep = &rbtdb->tree;
+		if (*treep == NULL) {
+			treep = &rbtdb->nsec;
+			if (*treep == NULL) {
+				treep = &rbtdb->nsec3;
+				/*
+				 * we're finished after clear cutting
+				 */
+				if (*treep == NULL)
+					break;
+			}
 		}
-		INSIST(result == ISC_R_SUCCESS && rbtdb->tree == NULL);
-	}
 
-	if (rbtdb->nsec3 != NULL) {
 		isc_time_now(&start);
-		result = dns_rbt_destroy2(&rbtdb->nsec3, rbtdb->quantum);
+		result = dns_rbt_destroy2(treep, rbtdb->quantum);
 		if (result == ISC_R_QUOTA) {
 			INSIST(rbtdb->task != NULL);
 			if (rbtdb->quantum != 0)
@@ -906,11 +904,11 @@ free_rbtdb(dns_rbtdb_t *rbtdb, isc_boolean_t log, isc_event_t *event) {
 							   rbtdb,
 							   sizeof(isc_event_t));
 			if (event == NULL)
-				goto again;
+				continue;
 			isc_task_send(rbtdb->task, &event);
 			return;
 		}
-		INSIST(result == ISC_R_SUCCESS && rbtdb->nsec3 == NULL);
+		INSIST(result == ISC_R_SUCCESS && *treep == NULL);
 	}
 
 	if (event != NULL)
@@ -965,6 +963,11 @@ free_rbtdb(dns_rbtdb_t *rbtdb, isc_boolean_t log, isc_event_t *event) {
 	if (rbtdb->rrsetstats != NULL)
 		dns_stats_detach(&rbtdb->rrsetstats);
 
+#ifdef BIND9
+	if (rbtdb->rpz_cidr != NULL)
+		dns_rpz_cidr_free(&rbtdb->rpz_cidr);
+#endif
+
 	isc_mem_put(rbtdb->common.mctx, rbtdb->node_locks,
 		    rbtdb->node_lock_count * sizeof(rbtdb_nodelock_t));
 	isc_rwlock_destroy(&rbtdb->tree_lock);
@@ -1488,6 +1491,82 @@ clean_zone_node(dns_rbtdb_t *rbtdb, dns_rbtnode_t *node,
 		node->dirty = 0;
 }
 
+static void
+delete_node(dns_rbtdb_t *rbtdb, dns_rbtnode_t *node)
+{
+	dns_rbtnode_t *nsecnode;
+	dns_fixedname_t fname;
+	dns_name_t *name;
+	isc_result_t result = ISC_R_UNEXPECTED;
+
+	INSIST(!ISC_LINK_LINKED(node, deadlink));
+
+	switch (node->nsec) {
+	case DNS_RBT_NSEC_NORMAL:
+#ifdef BIND9
+		if (rbtdb->rpz_cidr != NULL) {
+			dns_fixedname_init(&fname);
+			name = dns_fixedname_name(&fname);
+			dns_rbt_fullnamefromnode(node, name);
+			dns_rpz_cidr_deleteip(rbtdb->rpz_cidr, name);
+		}
+#endif
+		result = dns_rbt_deletenode(rbtdb->tree, node, ISC_FALSE);
+		break;
+	case DNS_RBT_NSEC_HAS_NSEC:
+		dns_fixedname_init(&fname);
+		name = dns_fixedname_name(&fname);
+		dns_rbt_fullnamefromnode(node, name);
+		/*
+		 * Delete the corresponding node from the auxiliary NSEC
+		 * tree before deleting from the main tree.
+		 */
+		nsecnode = NULL;
+		result = dns_rbt_findnode(rbtdb->nsec, name, NULL, &nsecnode,
+					  NULL, DNS_RBTFIND_EMPTYDATA,
+					  NULL, NULL);
+		if (result != ISC_R_SUCCESS) {
+			isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE,
+				      DNS_LOGMODULE_CACHE, ISC_LOG_WARNING,
+				      "delete_node: "
+				      "dns_rbt_findnode(nsec): %s",
+				      isc_result_totext(result));
+		} else {
+			result = dns_rbt_deletenode(rbtdb->nsec, nsecnode,
+						    ISC_FALSE);
+			if (result != ISC_R_SUCCESS) {
+				isc_log_write(dns_lctx,
+					      DNS_LOGCATEGORY_DATABASE,
+					      DNS_LOGMODULE_CACHE,
+					      ISC_LOG_WARNING,
+					      "delete_nsecnode(): "
+					      "dns_rbt_deletenode(nsecnode): %s",
+					      isc_result_totext(result));
+			}
+		}
+		result = dns_rbt_deletenode(rbtdb->tree, node, ISC_FALSE);
+#ifdef BIND9
+		dns_rpz_cidr_deleteip(rbtdb->rpz_cidr, name);
+#endif
+		break;
+	case DNS_RBT_NSEC_NSEC:
+		result = dns_rbt_deletenode(rbtdb->nsec, node, ISC_FALSE);
+		break;
+	case DNS_RBT_NSEC_NSEC3:
+		result = dns_rbt_deletenode(rbtdb->nsec3, node, ISC_FALSE);
+		break;
+	}
+	if (result != ISC_R_SUCCESS) {
+		isc_log_write(dns_lctx,
+			      DNS_LOGCATEGORY_DATABASE,
+			      DNS_LOGMODULE_CACHE,
+			      ISC_LOG_WARNING,
+			      "delete_nsecnode(): "
+			      "dns_rbt_deletenode: %s",
+			      isc_result_totext(result));
+	}
+}
+
 /*%
  * Clean up dead nodes.  These are nodes which have no references, and
  * have no data.  They are dead but we could not or chose not to delete
@@ -1499,7 +1578,6 @@ clean_zone_node(dns_rbtdb_t *rbtdb, dns_rbtnode_t *node,
 static void
 cleanup_dead_nodes(dns_rbtdb_t *rbtdb, int bucketnum) {
 	dns_rbtnode_t *node;
-	isc_result_t result;
 	int count = 10;         /* XXXJT: should be adjustable */
 
 	node = ISC_LIST_HEAD(rbtdb->deadnodes[bucketnum]);
@@ -1513,19 +1591,8 @@ cleanup_dead_nodes(dns_rbtdb_t *rbtdb, int bucketnum) {
 		INSIST(dns_rbtnode_refcurrent(node) == 0 &&
 		       node->data == NULL);
 
-		INSIST(!ISC_LINK_LINKED(node, deadlink));
-		if (node->nsec3)
-			result = dns_rbt_deletenode(rbtdb->nsec3, node,
-						    ISC_FALSE);
-		else
-			result = dns_rbt_deletenode(rbtdb->tree, node,
-						    ISC_FALSE);
-		if (result != ISC_R_SUCCESS)
-			isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE,
-				      DNS_LOGMODULE_CACHE, ISC_LOG_WARNING,
-				      "cleanup_dead_nodes: "
-				      "dns_rbt_deletenode: %s",
-				      isc_result_totext(result));
+		delete_node(rbtdb, node);
+
 		node = ISC_LIST_HEAD(rbtdb->deadnodes[bucketnum]);
 		count--;
 	}
@@ -1774,22 +1841,7 @@ decrement_reference(dns_rbtdb_t *rbtdb, dns_rbtnode_t *node,
 							sizeof(printname)));
 			}
 
-			INSIST(!ISC_LINK_LINKED(node, deadlink));
-			if (node->nsec3)
-				result = dns_rbt_deletenode(rbtdb->nsec3, node,
-							    ISC_FALSE);
-			else
-				result = dns_rbt_deletenode(rbtdb->tree, node,
-							    ISC_FALSE);
-			if (result != ISC_R_SUCCESS) {
-				isc_log_write(dns_lctx,
-					      DNS_LOGCATEGORY_DATABASE,
-					      DNS_LOGMODULE_CACHE,
-					      ISC_LOG_WARNING,
-					      "decrement_reference: "
-					      "dns_rbt_deletenode: %s",
-					      isc_result_totext(result));
-			}
+			delete_node(rbtdb, node);
 		}
 	} else if (dns_rbtnode_refcurrent(node) == 0) {
 		INSIST(!ISC_LINK_LINKED(node, deadlink));
@@ -1925,13 +1977,17 @@ cleanup_nondirty(rbtdb_version_t *version, rbtdb_changedlist_t *cleanup_list) {
 
 static void
 iszonesecure(dns_db_t *db, rbtdb_version_t *version, dns_dbnode_t *origin) {
+#ifndef BIND9
+	UNUSED(db);
+	UNUSED(version);
+	UNUSED(origin);
+
+	return;
+#else
 	dns_rdataset_t keyset;
 	dns_rdataset_t nsecset, signsecset;
-	dns_rdata_t rdata = DNS_RDATA_INIT;
 	isc_boolean_t haszonekey = ISC_FALSE;
 	isc_boolean_t hasnsec = ISC_FALSE;
-	isc_boolean_t hasoptbit = ISC_FALSE;
-	isc_boolean_t nsec3createflag = ISC_FALSE;
 	isc_result_t result;
 
 	dns_rdataset_init(&keyset);
@@ -1963,41 +2019,30 @@ iszonesecure(dns_db_t *db, rbtdb_version_t *version, dns_dbnode_t *origin) {
 	if (result == ISC_R_SUCCESS) {
 		if (dns_rdataset_isassociated(&signsecset)) {
 			hasnsec = ISC_TRUE;
-			result = dns_rdataset_first(&nsecset);
-			if (result == ISC_R_SUCCESS) {
-				dns_rdataset_current(&nsecset, &rdata);
-				hasoptbit = dns_nsec_typepresent(&rdata,
-							     dns_rdatatype_opt);
-			}
 			dns_rdataset_disassociate(&signsecset);
 		}
 		dns_rdataset_disassociate(&nsecset);
 	}
 
-	setnsec3parameters(db, version, &nsec3createflag);
+	setnsec3parameters(db, version);
 
 	/*
 	 * Do we have a valid NSEC/NSEC3 chain?
 	 */
-	if (version->havensec3 || (hasnsec && !hasoptbit))
+	if (version->havensec3 || hasnsec)
 		version->secure = dns_db_secure;
-	/*
-	 * Do we have a NSEC/NSEC3 chain under creation?
-	 */
-	else if (hasoptbit || nsec3createflag)
-		version->secure = dns_db_partial;
 	else
 		version->secure = dns_db_insecure;
+#endif
 }
 
 /*%<
  * Walk the origin node looking for NSEC3PARAM records.
  * Cache the nsec3 parameters.
  */
+#ifdef BIND9
 static void
-setnsec3parameters(dns_db_t *db, rbtdb_version_t *version,
-		   isc_boolean_t *nsec3createflag)
-{
+setnsec3parameters(dns_db_t *db, rbtdb_version_t *version) {
 	dns_rbtnode_t *node;
 	dns_rdata_nsec3param_t nsec3param;
 	dns_rdata_t rdata = DNS_RDATA_INIT;
@@ -2028,7 +2073,7 @@ setnsec3parameters(dns_db_t *db, rbtdb_version_t *version,
 		} while (header != NULL);
 
 		if (header != NULL &&
-		    header->type == dns_rdatatype_nsec3param) {
+		    (header->type == dns_rdatatype_nsec3param)) {
 			/*
 			 * Find A NSEC3PARAM with a supported algorithm.
 			 */
@@ -2063,17 +2108,8 @@ setnsec3parameters(dns_db_t *db, rbtdb_version_t *version,
 				    !dns_nsec3_supportedhash(nsec3param.hash))
 					continue;
 
-#ifdef RFC5155_STRICT
 				if (nsec3param.flags != 0)
 					continue;
-#else
-				if ((nsec3param.flags & DNS_NSEC3FLAG_CREATE)
-				    != 0)
-					*nsec3createflag = ISC_TRUE;
-				if ((nsec3param.flags & ~DNS_NSEC3FLAG_OPTOUT)
-				    != 0)
-					continue;
-#endif
 
 				memcpy(version->salt, nsec3param.salt,
 				       nsec3param.salt_length);
@@ -2096,6 +2132,7 @@ setnsec3parameters(dns_db_t *db, rbtdb_version_t *version,
 		    isc_rwlocktype_read);
 	RWUNLOCK(&rbtdb->tree_lock, isc_rwlocktype_read);
 }
+#endif
 
 static void
 cleanup_dead_nodes_callback(isc_task_t *task, isc_event_t *event) {
@@ -2415,7 +2452,8 @@ add_wildcard_magic(dns_rbtdb_t *rbtdb, dns_name_t *name) {
 	result = dns_rbt_addnode(rbtdb->tree, &foundname, &node);
 	if (result != ISC_R_SUCCESS && result != ISC_R_EXISTS)
 		return (result);
-	node->nsec3 = 0;
+	if (result == ISC_R_SUCCESS)
+		node->nsec = DNS_RBT_NSEC_NORMAL;
 	node->find_callback = 1;
 	node->wild = 1;
 	return (ISC_R_SUCCESS);
@@ -2443,7 +2481,8 @@ add_empty_wildcards(dns_rbtdb_t *rbtdb, dns_name_t *name) {
 						 &node);
 			if (result != ISC_R_SUCCESS && result != ISC_R_EXISTS)
 				return (result);
-			node->nsec3 = 0;
+			if (result == ISC_R_SUCCESS)
+				node->nsec = DNS_RBT_NSEC_NORMAL;
 		}
 		i++;
 	}
@@ -2482,6 +2521,17 @@ findnode(dns_db_t *db, dns_name_t *name, isc_boolean_t create,
 		node = NULL;
 		result = dns_rbt_addnode(rbtdb->tree, name, &node);
 		if (result == ISC_R_SUCCESS) {
+#ifdef BIND9
+			if (rbtdb->rpz_cidr != NULL) {
+				dns_fixedname_t fnamef;
+				dns_name_t *fname;
+
+				dns_fixedname_init(&fnamef);
+				fname = dns_fixedname_name(&fnamef);
+				dns_rbt_fullnamefromnode(node, fname);
+				dns_rpz_cidr_addip(rbtdb->rpz_cidr, fname);
+			}
+#endif
 			dns_rbt_namefromnode(node, &nodename);
 #ifdef DNS_RBT_USEHASH
 			node->locknum = node->hashval % rbtdb->node_lock_count;
@@ -2489,7 +2539,6 @@ findnode(dns_db_t *db, dns_name_t *name, isc_boolean_t create,
 			node->locknum = dns_name_hash(&nodename, ISC_TRUE) %
 				rbtdb->node_lock_count;
 #endif
-			node->nsec3 = 0;
 			add_empty_wildcards(rbtdb, name);
 
 			if (dns_name_iswildcard(name)) {
@@ -2551,13 +2600,14 @@ findnsec3node(dns_db_t *db, dns_name_t *name, isc_boolean_t create,
 			node->locknum = dns_name_hash(&nodename, ISC_TRUE) %
 				rbtdb->node_lock_count;
 #endif
-			node->nsec3 = 1U;
+			node->nsec = DNS_RBT_NSEC_NSEC3;
 		} else if (result != ISC_R_EXISTS) {
 			RWUNLOCK(&rbtdb->tree_lock, locktype);
 			return (result);
 		}
-	} else
-		INSIST(node->nsec3);
+	} else {
+		INSIST(node->nsec == DNS_RBT_NSEC_NSEC3);
+	}
 	NODE_STRONGLOCK(&rbtdb->node_locks[node->locknum].lock);
 	new_reference(rbtdb, node);
 	NODE_STRONGUNLOCK(&rbtdb->node_locks[node->locknum].lock);
@@ -3268,13 +3318,125 @@ matchparams(rdatasetheader_t *header, rbtdb_search_t *search)
  * Find node of the NSEC/NSEC3 record that is 'name'.
  */
 static inline isc_result_t
+previous_closest_nsec(dns_rdatatype_t type, rbtdb_search_t *search,
+		    dns_name_t *name, dns_name_t *origin,
+		    dns_rbtnode_t **nodep, dns_rbtnodechain_t *nsecchain,
+		    isc_boolean_t *firstp)
+{
+	dns_fixedname_t ftarget;
+	dns_name_t *target;
+	dns_rbtnode_t *nsecnode;
+	isc_result_t result;
+
+	REQUIRE(nodep != NULL && *nodep == NULL);
+
+	if (type == dns_rdatatype_nsec3) {
+		result = dns_rbtnodechain_prev(&search->chain, NULL, NULL);
+		if (result != ISC_R_SUCCESS && result != DNS_R_NEWORIGIN)
+			return (result);
+		result = dns_rbtnodechain_current(&search->chain, name, origin,
+						  nodep);
+		return (result);
+	}
+
+	dns_fixedname_init(&ftarget);
+	target = dns_fixedname_name(&ftarget);
+
+	for (;;) {
+		if (*firstp) {
+			/*
+			 * Construct the name of the second node to check.
+			 * It is the first node sought in the NSEC tree.
+			 */
+			*firstp = ISC_FALSE;
+			dns_rbtnodechain_init(nsecchain, NULL);
+			result = dns_name_concatenate(name, origin,
+						      target, NULL);
+			if (result != ISC_R_SUCCESS)
+				return (result);
+			nsecnode = NULL;
+			result = dns_rbt_findnode(search->rbtdb->nsec,
+						  target, NULL,
+						  &nsecnode, nsecchain,
+						  DNS_RBTFIND_NOOPTIONS,
+						  NULL, NULL);
+			if (result == ISC_R_SUCCESS) {
+				/*
+				 * Since this was the first loop, finding the
+				 * name in the NSEC tree implies that the first
+				 * node checked in the main tree had an
+				 * unacceptable NSEC record.
+				 * Try the previous node in the NSEC tree.
+				 */
+				result = dns_rbtnodechain_prev(nsecchain,
+							       name, origin);
+				if (result == DNS_R_NEWORIGIN)
+					result = ISC_R_SUCCESS;
+			} else if (result == ISC_R_NOTFOUND ||
+				   result == DNS_R_PARTIALMATCH) {
+				result = dns_rbtnodechain_current(nsecchain,
+							name, origin, NULL);
+				if (result == ISC_R_NOTFOUND)
+					result = ISC_R_NOMORE;
+			}
+		} else {
+			/*
+			 * This is a second or later trip through the auxiliary
+			 * tree for the name of a third or earlier NSEC node in
+			 * the main tree.  Previous trips through the NSEC tree
+			 * must have found nodes in the main tree with NSEC
+			 * records.  Perhaps they lacked signature records.
+			 */
+			result = dns_rbtnodechain_prev(nsecchain, name, origin);
+			if (result == DNS_R_NEWORIGIN)
+				result = ISC_R_SUCCESS;
+		}
+		if (result != ISC_R_SUCCESS)
+			return (result);
+
+		/*
+		 * Construct the name to seek in the main tree.
+		 */
+		result = dns_name_concatenate(name, origin, target, NULL);
+		if (result != ISC_R_SUCCESS)
+			return (result);
+
+		*nodep = NULL;
+		result = dns_rbt_findnode(search->rbtdb->tree, target, NULL,
+					  nodep, &search->chain,
+					  DNS_RBTFIND_NOOPTIONS, NULL, NULL);
+		if (result == ISC_R_SUCCESS)
+			return (result);
+
+		/*
+		 * There should always be a node in the main tree with the
+		 * same name as the node in the auxiliary NSEC tree, except for
+		 * nodes in the auxiliary tree that are awaiting deletion.
+		 */
+		if (result != DNS_R_PARTIALMATCH && result != ISC_R_NOTFOUND) {
+			isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE,
+				      DNS_LOGMODULE_CACHE, ISC_LOG_ERROR,
+				      "previous_closest_nsec(): %s",
+				      isc_result_totext(result));
+			return (DNS_R_BADDB);
+		}
+	}
+}
+
+/*
+ * Find the NSEC/NSEC3 which is or before the current point on the
+ * search chain.  For NSEC3 records only NSEC3 records that match the
+ * current NSEC3PARAM record are considered.
+ */
+static inline isc_result_t
 find_closest_nsec(rbtdb_search_t *search, dns_dbnode_t **nodep,
 		  dns_name_t *foundname, dns_rdataset_t *rdataset,
 		  dns_rdataset_t *sigrdataset, dns_rbt_t *tree,
 		  dns_db_secure_t secure)
 {
-	dns_rbtnode_t *node;
+	dns_rbtnode_t *node, *prevnode;
 	rdatasetheader_t *header, *header_next, *found, *foundsig;
+	dns_rbtnodechain_t nsecchain;
 	isc_boolean_t empty_node;
 	isc_result_t result;
 	dns_fixedname_t fname, forigin;
@@ -3282,6 +3444,7 @@ find_closest_nsec(rbtdb_search_t *search, dns_dbnode_t **nodep,
 	dns_rdatatype_t type;
 	rbtdb_rdatatype_t sigtype;
 	isc_boolean_t wraps;
+	isc_boolean_t first = ISC_TRUE;
 	isc_boolean_t need_sig = ISC_TF(secure == dns_db_secure);
 
 	if (tree == search->rbtdb->nsec3) {
@@ -3294,17 +3457,21 @@ find_closest_nsec(rbtdb_search_t *search, dns_dbnode_t **nodep,
 		wraps = ISC_FALSE;
 	}
 
+	/*
+	 * Use the auxiliary tree only starting with the second node in the
+	 * hope that the original node will be right much of the time.
+	 */
+	dns_fixedname_init(&fname);
+	name = dns_fixedname_name(&fname);
+	dns_fixedname_init(&forigin);
+	origin = dns_fixedname_name(&forigin);
  again:
+	node = NULL;
+	prevnode = NULL;
+	result = dns_rbtnodechain_current(&search->chain, name, origin, &node);
+	if (result != ISC_R_SUCCESS)
+		return (result);
 	do {
-		node = NULL;
-		dns_fixedname_init(&fname);
-		name = dns_fixedname_name(&fname);
-		dns_fixedname_init(&forigin);
-		origin = dns_fixedname_name(&forigin);
-		result = dns_rbtnodechain_current(&search->chain, name,
-						  origin, &node);
-		if (result != ISC_R_SUCCESS)
-			return (result);
 		NODE_LOCK(&(search->rbtdb->node_locks[node->locknum].lock),
 			  isc_rwlocktype_read);
 		found = NULL;
@@ -3354,11 +3521,12 @@ find_closest_nsec(rbtdb_search_t *search, dns_dbnode_t **nodep,
 				empty_node = ISC_TRUE;
 				found = NULL;
 				foundsig = NULL;
-				result = dns_rbtnodechain_prev(&search->chain,
-							       NULL, NULL);
+				result = previous_closest_nsec(type, search,
+							       name, origin,
+							       &prevnode, NULL,
+							       NULL);
 			} else if (found != NULL &&
-				   (foundsig != NULL || !need_sig))
-			{
+				   (foundsig != NULL || !need_sig)) {
 				/*
 				 * We've found the right NSEC/NSEC3 record.
 				 *
@@ -3395,8 +3563,11 @@ find_closest_nsec(rbtdb_search_t *search, dns_dbnode_t **nodep,
 				 * node as if it were empty and keep looking.
 				 */
 				empty_node = ISC_TRUE;
-				result = dns_rbtnodechain_prev(&search->chain,
-							       NULL, NULL);
+				result = previous_closest_nsec(type, search,
+							       name, origin,
+							       &prevnode,
+							       &nsecchain,
+							       &first);
 			} else {
 				/*
 				 * We found an active node, but either the
@@ -3410,13 +3581,19 @@ find_closest_nsec(rbtdb_search_t *search, dns_dbnode_t **nodep,
 			 * This node isn't active.  We've got to keep
 			 * looking.
 			 */
-			result = dns_rbtnodechain_prev(&search->chain, NULL,
-						       NULL);
+			result = previous_closest_nsec(type, search,
+						       name, origin, &prevnode,
+						       &nsecchain, &first);
 		}
 		NODE_UNLOCK(&(search->rbtdb->node_locks[node->locknum].lock),
 			    isc_rwlocktype_read);
+		node = prevnode;
+		prevnode = NULL;
 	} while (empty_node && result == ISC_R_SUCCESS);
 
+	if (!first)
+		dns_rbtnodechain_invalidate(&nsecchain);
+
 	if (result == ISC_R_NOMORE && wraps) {
 		result = dns_rbtnodechain_last(&search->chain, tree,
 					       NULL, NULL);
@@ -3960,6 +4137,7 @@ zone_findzonecut(dns_db_t *db, dns_name_t *name, unsigned int options,
 
 	FATAL_ERROR(__FILE__, __LINE__, "zone_findzonecut() called!");
 
+	/* NOTREACHED */
 	return (ISC_R_NOTIMPLEMENTED);
 }
 
@@ -4371,6 +4549,200 @@ find_coveringnsec(rbtdb_search_t *search, dns_dbnode_t **nodep,
 	return (result);
 }
 
+/*
+ * Mark a database for response policy rewriting.
+ */
+#ifdef BIND9
+static void
+get_rpz_enabled(dns_db_t *db, dns_rpz_st_t *st)
+{
+	dns_rbtdb_t *rbtdb;
+
+	rbtdb = (dns_rbtdb_t *)db;
+	REQUIRE(VALID_RBTDB(rbtdb));
+	RWLOCK(&rbtdb->tree_lock, isc_rwlocktype_read);
+	dns_rpz_enabled(rbtdb->rpz_cidr, st);
+	RWUNLOCK(&rbtdb->tree_lock, isc_rwlocktype_read);
+}
+
+/*
+ * Search the CDIR block tree of a response policy tree of trees for all of
+ * the IP addresses in an A or AAAA rdataset.
+ * Among the policies for all IPv4 and IPv6 addresses for a name, choose
+ * the longest prefix.  Among those with the longest prefix, the first
+ * configured policy.  Among answers for with the longest prefixes for
+ * two or more IP addresses in the A and AAAA rdatasets the lexically
+ * smallest address.
+ */
+static isc_result_t
+rpz_findips(dns_rpz_zone_t *rpz, dns_rpz_type_t rpz_type,
+	    dns_zone_t *zone, dns_db_t *db, dns_dbversion_t *version,
+	    dns_rdataset_t *ardataset, dns_rpz_st_t *st)
+{
+	dns_rbtdb_t *rbtdb;
+	struct in_addr ina;
+	struct in6_addr in6a;
+	isc_netaddr_t netaddr;
+	dns_fixedname_t selfnamef, qnamef;
+	dns_name_t *selfname, *qname;
+	dns_rbtnode_t *node;
+	dns_rdataset_t zrdataset;
+	dns_rpz_cidr_bits_t prefix;
+	isc_result_t result;
+	dns_rpz_policy_t rpz_policy;
+	dns_ttl_t ttl;
+
+	rbtdb = (dns_rbtdb_t *)db;
+	REQUIRE(VALID_RBTDB(rbtdb));
+	RWLOCK(&rbtdb->tree_lock, isc_rwlocktype_read);
+
+	if (rbtdb->rpz_cidr == NULL) {
+		RWUNLOCK(&rbtdb->tree_lock, isc_rwlocktype_read);
+		dns_db_detach(&db);
+		dns_zone_detach(&zone);
+		return (ISC_R_UNEXPECTED);
+	}
+
+	dns_fixedname_init(&selfnamef);
+	dns_fixedname_init(&qnamef);
+	selfname = dns_fixedname_name(&selfnamef);
+	qname = dns_fixedname_name(&qnamef);
+
+	for (result = dns_rdataset_first(ardataset);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rdataset_next(ardataset)) {
+		dns_rdata_t rdata = DNS_RDATA_INIT;
+		dns_rdataset_current(ardataset, &rdata);
+		switch (rdata.type) {
+		case dns_rdatatype_a:
+			INSIST(rdata.length == 4);
+			memcpy(&ina.s_addr, rdata.data, 4);
+			isc_netaddr_fromin(&netaddr, &ina);
+			break;
+		case dns_rdatatype_aaaa:
+			INSIST(rdata.length == 16);
+			memcpy(in6a.s6_addr, rdata.data, 16);
+			isc_netaddr_fromin6(&netaddr, &in6a);
+			break;
+		default:
+			continue;
+		}
+
+		result = dns_rpz_cidr_find(rbtdb->rpz_cidr, &netaddr, rpz_type,
+					   selfname, qname, &prefix);
+		if (result != ISC_R_SUCCESS)
+			continue;
+
+		/*
+		 * Choose the policy with the longest matching prefix.
+		 * Between policies with the same prefix, choose the first
+		 * configured.
+		 */
+		if (st->m.policy != DNS_RPZ_POLICY_MISS) {
+			if (prefix < st->m.prefix)
+				continue;
+			if (prefix == st->m.prefix &&
+			    rpz->num > st->m.rpz->num)
+				continue;
+		}
+
+		/*
+		 * We have rpz_st an entry with a prefix at least as long as
+		 * the prefix of the entry we had before.  Find the node
+		 * corresponding to CDIR tree entry.
+		 */
+		node = NULL;
+		result = dns_rbt_findnode(rbtdb->tree, qname, NULL,
+					  &node, NULL, 0, NULL, NULL);
+		if (result != ISC_R_SUCCESS) {
+			char namebuf[DNS_NAME_FORMATSIZE];
+
+			dns_name_format(qname, namebuf, sizeof(namebuf));
+			isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE,
+				      DNS_LOGMODULE_CACHE, DNS_RPZ_ERROR_LEVEL,
+				      "rpz_findips findnode(%s): %s",
+				      namebuf, isc_result_totext(result));
+			continue;
+		}
+		/*
+		 * First look for a simple rewrite of the IP address.
+		 * If that fails, look for a CNAME.  If we cannot find
+		 * a CNAME or the CNAME is neither of the special forms
+		 * "*" or ".", treat it like a real CNAME.
+		 */
+		dns_rdataset_init(&zrdataset);
+		result = dns_db_findrdataset(db, node, version, ardataset->type,
+					     0, 0, &zrdataset, NULL);
+		if (result != ISC_R_SUCCESS)
+			result = dns_db_findrdataset(db, node, version,
+						     dns_rdatatype_cname,
+						     0, 0, &zrdataset, NULL);
+		if (result == ISC_R_SUCCESS) {
+			if (zrdataset.type != dns_rdatatype_cname) {
+				rpz_policy = DNS_RPZ_POLICY_RECORD;
+			} else {
+				rpz_policy = dns_rpz_decode_cname(&zrdataset,
+								  selfname);
+				if (rpz_policy == DNS_RPZ_POLICY_RECORD)
+					result = DNS_R_CNAME;
+			}
+			ttl = zrdataset.ttl;
+		} else {
+			rpz_policy = DNS_RPZ_POLICY_RECORD;
+			result = DNS_R_NXRRSET;
+			ttl = DNS_RPZ_TTL_DEFAULT;
+		}
+
+		/*
+		 * Use an overriding action specified in the configuration file
+		 */
+		if (rpz->policy != DNS_RPZ_POLICY_GIVEN &&
+		    rpz_policy != DNS_RPZ_POLICY_NO_OP)
+			rpz_policy = rpz->policy;
+
+		/*
+		 * We know the new prefix is at least as long as the current.
+		 * Prefer the new answer if the new prefix is longer.
+		 * Prefer the zone configured first if the prefixes are equal.
+		 * With two actions from the same zone, prefer the action
+		 * on the "smallest" name.
+		 */
+		if (st->m.policy == DNS_RPZ_POLICY_MISS ||
+		    prefix > st->m.prefix ||
+		    rpz->num <= st->m.rpz->num ||
+		    0 > dns_name_compare(qname, st->qname)) {
+			if (dns_rdataset_isassociated(st->m.rdataset))
+				dns_rdataset_disassociate(st->m.rdataset);
+			if (st->m.node != NULL)
+				dns_db_detachnode(st->m.db, &st->m.node);
+			if (st->m.db != NULL)
+				dns_db_detach(&st->m.db);
+			if (st->m.zone != NULL)
+				dns_zone_detach(&st->m.zone);
+			st->m.rpz = rpz;
+			st->m.type = rpz_type;
+			st->m.prefix = prefix;
+			st->m.policy = rpz_policy;
+			st->m.ttl = ttl;
+			st->m.result = result;
+			dns_name_copy(qname, st->qname, NULL);
+			if (rpz_policy == DNS_RPZ_POLICY_RECORD &&
+			    result != DNS_R_NXRRSET) {
+				dns_rdataset_clone(&zrdataset,st->m.rdataset);
+				dns_db_attachnode(db, node, &st->m.node);
+			}
+			dns_db_attach(db, &st->m.db);
+			dns_zone_attach(zone, &st->m.zone);
+		}
+		if (dns_rdataset_isassociated(&zrdataset))
+			dns_rdataset_disassociate(&zrdataset);
+	}
+
+	RWUNLOCK(&rbtdb->tree_lock, isc_rwlocktype_read);
+	return (ISC_R_SUCCESS);
+}
+#endif
+
 static isc_result_t
 cache_find(dns_db_t *db, dns_name_t *name, dns_dbversion_t *version,
 	   dns_rdatatype_t type, unsigned int options, isc_stdtime_t now,
@@ -5693,6 +6065,7 @@ add(dns_rbtdb_t *rbtdb, dns_rbtnode_t *rbtnode, rbtdb_version_t *rbtversion,
 				free_rdataset(rbtdb, rbtdb->common.mctx,
 					      newheader);
 				newheader = (rdatasetheader_t *)merged;
+				init_rdataset(rbtdb, newheader);
 				if (loading && RESIGN(newheader) &&
 				    RESIGN(header) &&
 				    header->resign < newheader->resign)
@@ -6015,16 +6388,17 @@ addrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
 	rdatasetheader_t *header;
 	isc_result_t result;
 	isc_boolean_t delegating;
+	isc_boolean_t newnsec;
 	isc_boolean_t tree_locked = ISC_FALSE;
 	isc_boolean_t cache_is_overmem = ISC_FALSE;
 
 	REQUIRE(VALID_RBTDB(rbtdb));
 
 	if (rbtdb->common.methods == &zone_methods)
-		REQUIRE(((rbtnode->nsec3 &&
+		REQUIRE(((rbtnode->nsec == DNS_RBT_NSEC_NSEC3 &&
 			  (rdataset->type == dns_rdatatype_nsec3 ||
 			   rdataset->covers == dns_rdatatype_nsec3)) ||
-			 (!rbtnode->nsec3 &&
+			 (rbtnode->nsec != DNS_RBT_NSEC_NSEC3 &&
 			   rdataset->type != dns_rdatatype_nsec3 &&
 			   rdataset->covers != dns_rdatatype_nsec3)));
 
@@ -6101,14 +6475,23 @@ addrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
 		delegating = ISC_FALSE;
 
 	/*
-	 * If we're adding a delegation type or the DB is a cache in an overmem
-	 * state, hold an exclusive lock on the tree.  In the latter case
-	 * the lock does not necessarily have to be acquired but it will help
-	 * purge stale entries more effectively.
+	 * Add to the auxiliary NSEC tree if we're adding an NSEC record.
+	 */
+	if (rbtnode->nsec != DNS_RBT_NSEC_HAS_NSEC &&
+	    rdataset->type == dns_rdatatype_nsec)
+		newnsec = ISC_TRUE;
+	else
+		newnsec = ISC_FALSE;
+
+	/*
+	 * If we're adding a delegation type, adding to the auxiliary NSEC tree,
+	 * or the DB is a cache in an overmem state, hold an exclusive lock on
+	 * the tree.  In the latter case the lock does not necessarily have to
+	 * be acquired but it will help purge stale entries more effectively.
 	 */
 	if (IS_CACHE(rbtdb) && isc_mem_isovermem(rbtdb->common.mctx))
 		cache_is_overmem = ISC_TRUE;
-	if (delegating || cache_is_overmem) {
+	if (delegating || newnsec || cache_is_overmem) {
 		tree_locked = ISC_TRUE;
 		RWLOCK(&rbtdb->tree_lock, isc_rwlocktype_write);
 	}
@@ -6137,14 +6520,35 @@ addrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
 		 * cleaning, we can release it now.  However, we still need the
 		 * node lock.
 		 */
-		if (tree_locked && !delegating) {
+		if (tree_locked && !delegating && !newnsec) {
 			RWUNLOCK(&rbtdb->tree_lock, isc_rwlocktype_write);
 			tree_locked = ISC_FALSE;
 		}
 	}
 
-	result = add(rbtdb, rbtnode, rbtversion, newheader, options, ISC_FALSE,
-		     addedrdataset, now);
+	result = ISC_R_SUCCESS;
+	if (newnsec) {
+		dns_fixedname_t fname;
+		dns_name_t *name;
+		dns_rbtnode_t *nsecnode;
+
+		dns_fixedname_init(&fname);
+		name = dns_fixedname_name(&fname);
+		dns_rbt_fullnamefromnode(rbtnode, name);
+		nsecnode = NULL;
+		result = dns_rbt_addnode(rbtdb->nsec, name, &nsecnode);
+		if (result == ISC_R_SUCCESS) {
+			nsecnode->nsec = DNS_RBT_NSEC_NSEC;
+			rbtnode->nsec = DNS_RBT_NSEC_HAS_NSEC;
+		} else if (result == ISC_R_EXISTS) {
+			rbtnode->nsec = DNS_RBT_NSEC_HAS_NSEC;
+			result = ISC_R_SUCCESS;
+		}
+	}
+
+	if (result == ISC_R_SUCCESS)
+		result = add(rbtdb, rbtnode, rbtversion, newheader, options,
+			     ISC_FALSE, addedrdataset, now);
 	if (result == ISC_R_SUCCESS && delegating)
 		rbtnode->find_callback = 1;
 
@@ -6181,10 +6585,10 @@ subtractrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
 	REQUIRE(VALID_RBTDB(rbtdb));
 
 	if (rbtdb->common.methods == &zone_methods)
-		REQUIRE(((rbtnode->nsec3 &&
+		REQUIRE(((rbtnode->nsec == DNS_RBT_NSEC_NSEC3 &&
 			  (rdataset->type == dns_rdatatype_nsec3 ||
 			   rdataset->covers == dns_rdatatype_nsec3)) ||
-			 (!rbtnode->nsec3 &&
+			 (rbtnode->nsec != DNS_RBT_NSEC_NSEC3 &&
 			   rdataset->type != dns_rdatatype_nsec3 &&
 			   rdataset->covers != dns_rdatatype_nsec3)));
 
@@ -6403,6 +6807,78 @@ deleterdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
 	return (result);
 }
 
+/*
+ * load a non-NSEC3 node in the main tree and optionally to the auxiliary NSEC
+ */
+static isc_result_t
+loadnode(dns_rbtdb_t *rbtdb, dns_name_t *name, dns_rbtnode_t **nodep,
+	 isc_boolean_t hasnsec)
+{
+	isc_result_t noderesult, nsecresult;
+	dns_rbtnode_t *nsecnode;
+
+	noderesult = dns_rbt_addnode(rbtdb->tree, name, nodep);
+
+#ifdef BIND9
+	if (noderesult == ISC_R_SUCCESS)
+		dns_rpz_cidr_addip(rbtdb->rpz_cidr, name);
+#endif
+
+	if (!hasnsec)
+		return (noderesult);
+	if (noderesult == ISC_R_EXISTS) {
+		/*
+		 * Add a node to the auxiliary NSEC tree for an old node
+		 * just now getting an NSEC record.
+		 */
+		if ((*nodep)->nsec == DNS_RBT_NSEC_HAS_NSEC)
+			return (noderesult);
+	} else if (noderesult != ISC_R_SUCCESS) {
+		return (noderesult);
+	}
+
+	/*
+	 * Build the auxiliary tree for NSECs as we go.
+	 * This tree speeds searches for closest NSECs that would otherwise
+	 * need to examine many irrelevant nodes in large TLDs.
+	 *
+	 * Add nodes to the auxiliary tree after corresponding nodes have
+	 * been added to the main tree.
+	 */
+	nsecnode = NULL;
+	nsecresult = dns_rbt_addnode(rbtdb->nsec, name, &nsecnode);
+	if (nsecresult == ISC_R_SUCCESS) {
+		nsecnode->nsec = DNS_RBT_NSEC_NSEC;
+		(*nodep)->nsec = DNS_RBT_NSEC_HAS_NSEC;
+		return (noderesult);
+	}
+
+	if (nsecresult == ISC_R_EXISTS) {
+#if 1 /* 0 */
+		isc_log_write(dns_lctx,
+			      DNS_LOGCATEGORY_DATABASE,
+			      DNS_LOGMODULE_CACHE,
+			      ISC_LOG_WARNING,
+			      "addnode: NSEC node already exists");
+#endif
+		(*nodep)->nsec = DNS_RBT_NSEC_HAS_NSEC;
+		return (noderesult);
+	}
+
+	nsecresult = dns_rbt_deletenode(rbtdb->tree, *nodep, ISC_FALSE);
+	if (nsecresult != ISC_R_SUCCESS)
+		isc_log_write(dns_lctx,
+			      DNS_LOGCATEGORY_DATABASE,
+			      DNS_LOGMODULE_CACHE,
+			      ISC_LOG_WARNING,
+			      "loading_addrdataset: "
+			      "dns_rbt_deletenode: %s after "
+			      "dns_rbt_addnode(NSEC): %s",
+			      isc_result_totext(nsecresult),
+			      isc_result_totext(noderesult));
+	return (noderesult);
+}
+
 static isc_result_t
 loading_addrdataset(void *arg, dns_name_t *name, dns_rdataset_t *rdataset) {
 	rbtdb_load_t *loadctx = arg;
@@ -6451,15 +6927,15 @@ loading_addrdataset(void *arg, dns_name_t *name, dns_rdataset_t *rdataset) {
 	    rdataset->covers == dns_rdatatype_nsec3) {
 		result = dns_rbt_addnode(rbtdb->nsec3, name, &node);
 		if (result == ISC_R_SUCCESS)
-			node->nsec3 = 1;
+			node->nsec = DNS_RBT_NSEC_NSEC3;
+	} else if (rdataset->type == dns_rdatatype_nsec) {
+		result = loadnode(rbtdb, name, &node, ISC_TRUE);
 	} else {
-		result = dns_rbt_addnode(rbtdb->tree, name, &node);
-		if (result == ISC_R_SUCCESS)
-			node->nsec3 = 0;
+		result = loadnode(rbtdb, name, &node, ISC_FALSE);
 	}
 	if (result != ISC_R_SUCCESS && result != ISC_R_EXISTS)
 		return (result);
-	if (result != ISC_R_EXISTS) {
+	if (result == ISC_R_SUCCESS) {
 		dns_name_t foundname;
 		dns_name_init(&foundname, NULL);
 		dns_rbt_namefromnode(node, &foundname);
@@ -6585,9 +7061,17 @@ dump(dns_db_t *db, dns_dbversion_t *version, const char *filename,
 
 	REQUIRE(VALID_RBTDB(rbtdb));
 
+#ifdef BIND9
 	return (dns_master_dump2(rbtdb->common.mctx, db, version,
 				 &dns_master_style_default,
 				 filename, masterformat));
+#else
+	UNUSED(version);
+	UNUSED(filename);
+	UNUSED(masterformat);
+
+	return (ISC_R_NOTIMPLEMENTED);
+#endif /* BIND9 */
 }
 
 static void
@@ -6768,7 +7252,7 @@ setsigningtime(dns_db_t *db, dns_rdataset_t *rdataset, isc_stdtime_t resign) {
 		} else if (resign < oldresign)
 			isc_heap_increased(rbtdb->heaps[header->node->locknum],
 					   header->heap_index);
-		else
+		else if (resign > oldresign)
 			isc_heap_decreased(rbtdb->heaps[header->node->locknum],
 					   header->heap_index);
 	} else if (resign && header->heap_index == 0) {
@@ -6913,7 +7397,14 @@ static dns_dbmethods_t zone_methods = {
 	getsigningtime,
 	resigned,
 	isdnssec,
+	NULL,
+#ifdef BIND9
+	get_rpz_enabled,
+	rpz_findips
+#else
+	NULL,
 	NULL
+#endif
 };
 
 static dns_dbmethods_t cache_methods = {
@@ -6952,7 +7443,9 @@ static dns_dbmethods_t cache_methods = {
 	NULL,
 	NULL,
 	isdnssec,
-	getrrsetstats
+	getrrsetstats,
+	NULL,
+	NULL
 };
 
 isc_result_t
@@ -7122,12 +7615,36 @@ dns_rbtdb_create
 		return (result);
 	}
 
+	result = dns_rbt_create(mctx, delete_callback, rbtdb, &rbtdb->nsec);
+	if (result != ISC_R_SUCCESS) {
+		free_rbtdb(rbtdb, ISC_FALSE, NULL);
+		return (result);
+	}
+
 	result = dns_rbt_create(mctx, delete_callback, rbtdb, &rbtdb->nsec3);
 	if (result != ISC_R_SUCCESS) {
 		free_rbtdb(rbtdb, ISC_FALSE, NULL);
 		return (result);
 	}
 
+#ifdef BIND9
+	/*
+	 * Get ready for response policy IP address searching if at least one
+	 * zone has been configured as a response policy zone and this
+	 * is not a cache zone.
+	 * It would be better to know that this database is for a policy
+	 * zone named for a view, but that would require knowledge from
+	 * above such as an argv[] set from data in the zone.
+	 */
+	if (type == dns_dbtype_zone && !dns_name_equal(origin, dns_rootname)) {
+		result = dns_rpz_new_cidr(mctx, origin, &rbtdb->rpz_cidr);
+		if (result != ISC_R_SUCCESS) {
+			free_rbtdb(rbtdb, ISC_FALSE, NULL);
+			return (result);
+		}
+	}
+#endif
+
 	/*
 	 * In order to set the node callback bit correctly in zone databases,
 	 * we need to know if the node has the origin name of the zone.
@@ -7152,7 +7669,7 @@ dns_rbtdb_create
 			free_rbtdb(rbtdb, ISC_FALSE, NULL);
 			return (result);
 		}
-		rbtdb->origin_node->nsec3 = 0;
+		rbtdb->origin_node->nsec = DNS_RBT_NSEC_NORMAL;
 		/*
 		 * We need to give the origin node the right locknum.
 		 */
@@ -7180,7 +7697,7 @@ dns_rbtdb_create
 			free_rbtdb(rbtdb, ISC_FALSE, NULL);
 			return (result);
 		}
-		nsec3node->nsec3 = 1;
+		nsec3node->nsec = DNS_RBT_NSEC_NSEC3;
 		/*
 		 * We need to give the nsec3 origin node the right locknum.
 		 */
@@ -8238,6 +8755,21 @@ rdataset_getadditional(dns_rdataset_t *rdataset, dns_rdatasetadditional_t type,
 		       dns_name_t *fname, dns_message_t *msg,
 		       isc_stdtime_t now)
 {
+#ifndef BIND9
+	UNUSED(rdataset);
+	UNUSED(type);
+	UNUSED(qtype);
+	UNUSED(acache);
+	UNUSED(zonep);
+	UNUSED(dbp);
+	UNUSED(versionp);
+	UNUSED(nodep);
+	UNUSED(fname);
+	UNUSED(msg);
+	UNUSED(now);
+
+	return (ISC_R_NOTIMPLEMENTED);
+#else
 	dns_rbtdb_t *rbtdb = rdataset->private1;
 	dns_rbtnode_t *rbtnode = rdataset->private2;
 	unsigned char *raw = rdataset->private3;        /* RDATASLAB */
@@ -8354,8 +8886,10 @@ acache_callback(dns_acacheentry_t *entry, void **arg) {
 	dns_db_detach((dns_db_t **)(void*)&rbtdb);
 
 	*arg = NULL;
+#endif /* BIND9 */
 }
 
+#ifdef BIND9
 static void
 acache_cancelentry(isc_mem_t *mctx, dns_acacheentry_t *entry,
 		      acache_cbarg_t **cbargp)
@@ -8376,6 +8910,7 @@ acache_cancelentry(isc_mem_t *mctx, dns_acacheentry_t *entry,
 
 	*cbargp = NULL;
 }
+#endif /* BIND9 */
 
 static isc_result_t
 rdataset_setadditional(dns_rdataset_t *rdataset, dns_rdatasetadditional_t type,
@@ -8384,6 +8919,19 @@ rdataset_setadditional(dns_rdataset_t *rdataset, dns_rdatasetadditional_t type,
 		       dns_dbversion_t *version, dns_dbnode_t *node,
 		       dns_name_t *fname)
 {
+#ifndef BIND9
+	UNUSED(rdataset);
+	UNUSED(type);
+	UNUSED(qtype);
+	UNUSED(acache);
+	UNUSED(zone);
+	UNUSED(db);
+	UNUSED(version);
+	UNUSED(node);
+	UNUSED(fname);
+
+	return (ISC_R_NOTIMPLEMENTED);
+#else
 	dns_rbtdb_t *rbtdb = rdataset->private1;
 	dns_rbtnode_t *rbtnode = rdataset->private2;
 	unsigned char *raw = rdataset->private3;        /* RDATASLAB */
@@ -8507,12 +9055,21 @@ rdataset_setadditional(dns_rdataset_t *rdataset, dns_rdatasetadditional_t type,
 	}
 
 	return (result);
+#endif
 }
 
 static isc_result_t
 rdataset_putadditional(dns_acache_t *acache, dns_rdataset_t *rdataset,
 		       dns_rdatasetadditional_t type, dns_rdatatype_t qtype)
 {
+#ifndef BIND9
+	UNUSED(acache);
+	UNUSED(rdataset);
+	UNUSED(type);
+	UNUSED(qtype);
+
+	return (ISC_R_NOTIMPLEMENTED);
+#else
 	dns_rbtdb_t *rbtdb = rdataset->private1;
 	dns_rbtnode_t *rbtnode = rdataset->private2;
 	unsigned char *raw = rdataset->private3;        /* RDATASLAB */
@@ -8577,6 +9134,7 @@ rdataset_putadditional(dns_acache_t *acache, dns_rdataset_t *rdataset,
 	}
 
 	return (ISC_R_SUCCESS);
+#endif
 }
 
 /*%
diff --git a/lib/dns/rcode.c b/lib/dns/rcode.c
index 2dc0a29..18fedcd 100644
--- a/lib/dns/rcode.c
+++ b/lib/dns/rcode.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2008, 2010  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2010  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: rcode.c,v 1.8.48.2 2010-01-15 23:47:33 tbox Exp $ */
+/* $Id: rcode.c,v 1.16 2010-12-23 04:07:58 marka Exp $ */
 
 #include 
 #include 
@@ -79,12 +79,17 @@
 	{ dns_tsigerror_badtrunc, "BADTRUNC", 0}, \
 	{ 0, NULL, 0 }
 
-/* RFC2538 section 2.1 */
+/* RFC4398 section 2.1 */
 
 #define CERTNAMES \
 	{ 1, "PKIX", 0}, \
 	{ 2, "SPKI", 0}, \
 	{ 3, "PGP", 0}, \
+	{ 4, "IPKIX", 0}, \
+	{ 5, "ISPKI", 0}, \
+	{ 6, "IPGP", 0}, \
+	{ 7, "ACPKIX", 0}, \
+	{ 8, "IACPKIX", 0}, \
 	{ 253, "URI", 0}, \
 	{ 254, "OID", 0}, \
 	{ 0, NULL, 0}
@@ -102,6 +107,7 @@
 	{ DNS_KEYALG_NSEC3RSASHA1, "NSEC3RSASHA1", 0 }, \
 	{ DNS_KEYALG_RSASHA256, "RSASHA256", 0 }, \
 	{ DNS_KEYALG_RSASHA512, "RSASHA512", 0 }, \
+	{ DNS_KEYALG_ECCGOST, "ECCGOST", 0 }, \
 	{ DNS_KEYALG_INDIRECT, "INDIRECT", 0 }, \
 	{ DNS_KEYALG_PRIVATEDNS, "PRIVATEDNS", 0 }, \
 	{ DNS_KEYALG_PRIVATEOID, "PRIVATEOID", 0 }, \
@@ -313,6 +319,21 @@ dns_secalg_totext(dns_secalg_t secalg, isc_buffer_t *target) {
 	return (dns_mnemonic_totext(secalg, target, secalgs));
 }
 
+void
+dns_secalg_format(dns_secalg_t alg, char *cp, unsigned int size) {
+	isc_buffer_t b;
+	isc_region_t r;
+	isc_result_t result;
+
+	REQUIRE(cp != NULL && size > 0);
+	isc_buffer_init(&b, cp, size - 1);
+	result = dns_secalg_totext(alg, &b);
+	isc_buffer_usedregion(&b, &r);
+	r.base[r.length] = 0;
+	if (result != ISC_R_SUCCESS)
+		r.base[0] = 0;
+}
+
 isc_result_t
 dns_secproto_fromtext(dns_secproto_t *secprotop, isc_textregion_t *source) {
 	unsigned int value;
diff --git a/lib/dns/rdata.c b/lib/dns/rdata.c
index daaa83a..c282b03 100644
--- a/lib/dns/rdata.c
+++ b/lib/dns/rdata.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2009, 2011  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: rdata.c,v 1.199.50.4 2011-01-13 04:48:21 tbox Exp $ */
+/* $Id: rdata.c,v 1.209 2011-01-13 04:59:25 tbox Exp $ */
 
 /*! \file */
 
@@ -38,6 +38,7 @@
 #include 
 #include 
 #include 
+#include 
 #include 
 #include 
 #include 
@@ -275,23 +276,6 @@ dns_rdata_init(dns_rdata_t *rdata) {
 	/* ISC_LIST_INIT(rdata->list); */
 }
 
-#if 1
-#define DNS_RDATA_INITIALIZED(rdata) \
-	((rdata)->data == NULL && (rdata)->length == 0 && \
-	 (rdata)->rdclass == 0 && (rdata)->type == 0 && (rdata)->flags == 0 && \
-	 !ISC_LINK_LINKED((rdata), link))
-#else
-#ifdef ISC_LIST_CHECKINIT
-#define DNS_RDATA_INITIALIZED(rdata) \
-	(!ISC_LINK_LINKED((rdata), link))
-#else
-#define DNS_RDATA_INITIALIZED(rdata) ISC_TRUE
-#endif
-#endif
-
-#define DNS_RDATA_VALIDFLAGS(rdata) \
-	(((rdata)->flags & ~(DNS_RDATA_UPDATE|DNS_RDATA_OFFLINE)) == 0)
-
 void
 dns_rdata_reset(dns_rdata_t *rdata) {
 
@@ -365,6 +349,37 @@ dns_rdata_compare(const dns_rdata_t *rdata1, const dns_rdata_t *rdata2) {
 	return (result);
 }
 
+int
+dns_rdata_casecompare(const dns_rdata_t *rdata1, const dns_rdata_t *rdata2) {
+	int result = 0;
+	isc_boolean_t use_default = ISC_FALSE;
+
+	REQUIRE(rdata1 != NULL);
+	REQUIRE(rdata2 != NULL);
+	REQUIRE(rdata1->data != NULL);
+	REQUIRE(rdata2->data != NULL);
+	REQUIRE(DNS_RDATA_VALIDFLAGS(rdata1));
+	REQUIRE(DNS_RDATA_VALIDFLAGS(rdata2));
+
+	if (rdata1->rdclass != rdata2->rdclass)
+		return (rdata1->rdclass < rdata2->rdclass ? -1 : 1);
+
+	if (rdata1->type != rdata2->type)
+		return (rdata1->type < rdata2->type ? -1 : 1);
+
+	CASECOMPARESWITCH
+
+	if (use_default) {
+		isc_region_t r1;
+		isc_region_t r2;
+
+		dns_rdata_toregion(rdata1, &r1);
+		dns_rdata_toregion(rdata2, &r2);
+		result = isc_region_compare(&r1, &r2);
+	}
+	return (result);
+}
+
 /***
  *** Conversions
  ***/
@@ -1772,3 +1787,93 @@ dns_rdatatype_isknown(dns_rdatatype_t type) {
 		return (ISC_TRUE);
 	return (ISC_FALSE);
 }
+
+void
+dns_rdata_exists(dns_rdata_t *rdata, dns_rdatatype_t type) {
+
+	REQUIRE(rdata != NULL);
+	REQUIRE(DNS_RDATA_INITIALIZED(rdata));
+
+	rdata->data = NULL;
+	rdata->length = 0;
+	rdata->flags = DNS_RDATA_UPDATE;
+	rdata->type = type;
+	rdata->rdclass = dns_rdataclass_any;
+}
+
+void
+dns_rdata_notexist(dns_rdata_t *rdata, dns_rdatatype_t type) {
+
+	REQUIRE(rdata != NULL);
+	REQUIRE(DNS_RDATA_INITIALIZED(rdata));
+
+	rdata->data = NULL;
+	rdata->length = 0;
+	rdata->flags = DNS_RDATA_UPDATE;
+	rdata->type = type;
+	rdata->rdclass = dns_rdataclass_none;
+}
+
+void
+dns_rdata_deleterrset(dns_rdata_t *rdata, dns_rdatatype_t type) {
+
+	REQUIRE(rdata != NULL);
+	REQUIRE(DNS_RDATA_INITIALIZED(rdata));
+
+	rdata->data = NULL;
+	rdata->length = 0;
+	rdata->flags = DNS_RDATA_UPDATE;
+	rdata->type = type;
+	rdata->rdclass = dns_rdataclass_any;
+}
+
+void
+dns_rdata_makedelete(dns_rdata_t *rdata) {
+	REQUIRE(rdata != NULL);
+
+	rdata->rdclass = dns_rdataclass_none;
+}
+
+const char *
+dns_rdata_updateop(dns_rdata_t *rdata, dns_section_t section) {
+
+	REQUIRE(rdata != NULL);
+	REQUIRE(DNS_RDATA_INITIALIZED(rdata));
+
+	switch (section) {
+	case DNS_SECTION_PREREQUISITE:
+		switch (rdata->rdclass) {
+		case dns_rdataclass_none:
+			switch (rdata->type) {
+			case dns_rdatatype_any:
+				return ("domain doesn't exist");
+			default:
+				return ("rrset doesn't exist");
+			}
+		case dns_rdataclass_any:
+			switch (rdata->type) {
+			case dns_rdatatype_any:
+				return ("domain exists");
+			default:
+				return ("rrset exists (value independent)");
+			}
+		default:
+			return ("rrset exists (value dependent)");
+		}
+	case DNS_SECTION_UPDATE:
+		switch (rdata->rdclass) {
+		case dns_rdataclass_none:
+			return ("delete");
+		case dns_rdataclass_any:
+			switch (rdata->type) {
+			case dns_rdatatype_any:
+				return ("delete all rrsets");
+			default:
+				return ("delete rrset");
+			}
+		default:
+			return ("add");
+		}
+	}
+	return ("invalid");
+}
diff --git a/lib/dns/rdata/any_255/tsig_250.c b/lib/dns/rdata/any_255/tsig_250.c
index e698239..9763f6d 100644
--- a/lib/dns/rdata/any_255/tsig_250.c
+++ b/lib/dns/rdata/any_255/tsig_250.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: tsig_250.c,v 1.63 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: tsig_250.c,v 1.65 2009-12-04 22:06:37 tbox Exp $ */
 
 /* Reviewed: Thu Mar 16 13:39:43 PST 2000 by gson */
 
@@ -594,4 +594,9 @@ checknames_any_tsig(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_any_tsig(ARGS_COMPARE) {
+	return (compare_any_tsig(rdata1, rdata2));
+}
+
 #endif	/* RDATA_ANY_255_TSIG_250_C */
diff --git a/lib/dns/rdata/ch_3/a_1.c b/lib/dns/rdata/ch_3/a_1.c
index 156caac..2623f76 100644
--- a/lib/dns/rdata/ch_3/a_1.c
+++ b/lib/dns/rdata/ch_3/a_1.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -14,7 +14,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: a_1.c,v 1.6 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: a_1.c,v 1.8 2009-12-04 22:06:37 tbox Exp $ */
 
 /* by Bjorn.Victor@it.uu.se, 2005-05-07 */
 /* Based on generic/soa_6.c and generic/mx_15.c */
@@ -107,7 +107,7 @@ fromwire_ch_a(ARGS_FROMWIRE) {
 	dns_decompress_setmethods(dctx, DNS_COMPRESS_GLOBAL14);
 
 	dns_name_init(&name, NULL);
-	
+
 	RETERR(dns_name_fromwire(&name, source, dctx, options, target));
 
 	isc_buffer_activeregion(source, &sregion);
@@ -205,7 +205,7 @@ fromstruct_ch_a(ARGS_FROMSTRUCT) {
 
 	dns_name_toregion(&a->ch_addr_dom, ®ion);
 	RETERR(isc_buffer_copyregion(target, ®ion));
-	
+
 	return (uint16_tobuffer(ntohs(a->ch_addr), target));
 }
 
@@ -313,4 +313,8 @@ checknames_ch_a(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_ch_a(ARGS_COMPARE) {
+	return (compare_ch_a(rdata1, rdata2));
+}
 #endif	/* RDATA_CH_3_A_1_C */
diff --git a/lib/dns/rdata/generic/afsdb_18.c b/lib/dns/rdata/generic/afsdb_18.c
index f82167be..bd1d1e0 100644
--- a/lib/dns/rdata/generic/afsdb_18.c
+++ b/lib/dns/rdata/generic/afsdb_18.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001, 2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: afsdb_18.c,v 1.47 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: afsdb_18.c,v 1.49 2009-12-04 22:06:37 tbox Exp $ */
 
 /* Reviewed: Wed Mar 15 14:59:00 PST 2000 by explorer */
 
@@ -306,4 +306,8 @@ checknames_afsdb(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_afsdb(ARGS_COMPARE) {
+	return (compare_afsdb(rdata1, rdata2));
+}
 #endif	/* RDATA_GENERIC_AFSDB_18_C */
diff --git a/lib/dns/rdata/generic/cert_37.c b/lib/dns/rdata/generic/cert_37.c
index e0398d2..d06b4e6 100644
--- a/lib/dns/rdata/generic/cert_37.c
+++ b/lib/dns/rdata/generic/cert_37.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: cert_37.c,v 1.50 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: cert_37.c,v 1.52 2009-12-04 22:06:37 tbox Exp $ */
 
 /* Reviewed: Wed Mar 15 21:14:32 EST 2000 by tale */
 
@@ -276,5 +276,9 @@ checknames_cert(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
-#endif	/* RDATA_GENERIC_CERT_37_C */
 
+static inline int
+casecompare_cert(ARGS_COMPARE) {
+	return (compare_cert(rdata1, rdata2));
+}
+#endif	/* RDATA_GENERIC_CERT_37_C */
diff --git a/lib/dns/rdata/generic/cname_5.c b/lib/dns/rdata/generic/cname_5.c
index f44d8c5..508bb20 100644
--- a/lib/dns/rdata/generic/cname_5.c
+++ b/lib/dns/rdata/generic/cname_5.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: cname_5.c,v 1.47 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: cname_5.c,v 1.49 2009-12-04 22:06:37 tbox Exp $ */
 
 /* reviewed: Wed Mar 15 16:48:45 PST 2000 by brister */
 
@@ -229,4 +229,9 @@ checknames_cname(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_cname(ARGS_COMPARE) {
+	return (compare_cname(rdata1, rdata2));
+}
+
 #endif	/* RDATA_GENERIC_CNAME_5_C */
diff --git a/lib/dns/rdata/generic/dlv_32769.c b/lib/dns/rdata/generic/dlv_32769.c
index 21d7abbb4..0f87433c 100644
--- a/lib/dns/rdata/generic/dlv_32769.c
+++ b/lib/dns/rdata/generic/dlv_32769.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2006, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2006, 2007, 2009, 2010  Internet Systems Consortium, Inc. ("ISC")
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -14,7 +14,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: dlv_32769.c,v 1.6 2007-06-18 23:47:43 tbox Exp $ */
+/* $Id: dlv_32769.c,v 1.10 2010-12-23 23:47:08 tbox Exp $ */
 
 /* draft-ietf-dnsext-delegation-signer-05.txt */
 
@@ -74,12 +74,20 @@ fromtext_dlv(ARGS_FROMTEXT) {
 	/*
 	 * Digest.
 	 */
-	if (c == DNS_DSDIGEST_SHA1)
+	switch (c) {
+	case DNS_DSDIGEST_SHA1:
 		length = ISC_SHA1_DIGESTLENGTH;
-	else if (c == DNS_DSDIGEST_SHA256)
+		break;
+	case DNS_DSDIGEST_SHA256:
 		length = ISC_SHA256_DIGESTLENGTH;
-	else
+		break;
+	case DNS_DSDIGEST_GOST:
+		length = ISC_GOST_DIGESTLENGTH;
+		break;
+	default:
 		length = -1;
+		break;
+	}
 	return (isc_hex_tobuffer(lexer, target, -1));
 }
 
@@ -144,7 +152,7 @@ fromwire_dlv(ARGS_FROMWIRE) {
 	UNUSED(options);
 
 	isc_buffer_activeregion(source, &sr);
- 
+
 	/*
 	 * Check digest lengths if we know them.
 	 */
@@ -152,7 +160,9 @@ fromwire_dlv(ARGS_FROMWIRE) {
 	    (sr.base[3] == DNS_DSDIGEST_SHA1 &&
 	     sr.length < 4 + ISC_SHA1_DIGESTLENGTH) ||
 	    (sr.base[3] == DNS_DSDIGEST_SHA256 &&
-	     sr.length < 4 + ISC_SHA256_DIGESTLENGTH))
+	     sr.length < 4 + ISC_SHA256_DIGESTLENGTH) ||
+	    (sr.base[3] == DNS_DSDIGEST_GOST &&
+	     sr.length < 4 + ISC_GOST_DIGESTLENGTH))
 		return (ISC_R_UNEXPECTEDEND);
 
 	/*
@@ -164,7 +174,9 @@ fromwire_dlv(ARGS_FROMWIRE) {
 		sr.length = 4 + ISC_SHA1_DIGESTLENGTH;
 	else if (sr.base[3] == DNS_DSDIGEST_SHA256)
 		sr.length = 4 + ISC_SHA256_DIGESTLENGTH;
- 
+	else if (sr.base[3] == DNS_DSDIGEST_GOST)
+		sr.length = 4 + ISC_GOST_DIGESTLENGTH;
+
 	isc_buffer_forward(source, sr.length);
 	return (mem_tobuffer(target, sr.base, sr.length));
 }
@@ -213,6 +225,9 @@ fromstruct_dlv(ARGS_FROMSTRUCT) {
 	case DNS_DSDIGEST_SHA256:
 		REQUIRE(dlv->length == ISC_SHA256_DIGESTLENGTH);
 		break;
+	case DNS_DSDIGEST_GOST:
+		REQUIRE(dlv->length == ISC_GOST_DIGESTLENGTH);
+		break;
 	}
 
 	UNUSED(type);
@@ -318,4 +333,9 @@ checknames_dlv(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_dlv(ARGS_COMPARE) {
+	return (compare_dlv(rdata1, rdata2));
+}
+
 #endif	/* RDATA_GENERIC_DLV_32769_C */
diff --git a/lib/dns/rdata/generic/dname_39.c b/lib/dns/rdata/generic/dname_39.c
index e36702d..61356bf 100644
--- a/lib/dns/rdata/generic/dname_39.c
+++ b/lib/dns/rdata/generic/dname_39.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: dname_39.c,v 1.38 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: dname_39.c,v 1.40 2009-12-04 22:06:37 tbox Exp $ */
 
 /* Reviewed: Wed Mar 15 16:52:38 PST 2000 by explorer */
 
@@ -230,4 +230,8 @@ checknames_dname(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_dname(ARGS_COMPARE) {
+	return (compare_dname(rdata1, rdata2));
+}
 #endif	/* RDATA_GENERIC_DNAME_39_C */
diff --git a/lib/dns/rdata/generic/dnskey_48.c b/lib/dns/rdata/generic/dnskey_48.c
index d526ca0..91fe9f8 100644
--- a/lib/dns/rdata/generic/dnskey_48.c
+++ b/lib/dns/rdata/generic/dnskey_48.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: dnskey_48.c,v 1.8 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: dnskey_48.c,v 1.10 2009-12-04 22:06:37 tbox Exp $ */
 
 /*
  * Reviewed: Wed Mar 15 16:47:10 PST 2000 by halley.
@@ -76,6 +76,7 @@ totext_dnskey(ARGS_TOTEXT) {
 	char buf[sizeof("64000")];
 	unsigned int flags;
 	unsigned char algorithm;
+	char namebuf[DNS_NAME_FORMATSIZE];
 
 	REQUIRE(rdata->type == 48);
 	REQUIRE(rdata->length != 0);
@@ -105,6 +106,15 @@ totext_dnskey(ARGS_TOTEXT) {
 	if ((flags & 0xc000) == 0xc000)
 		return (ISC_R_SUCCESS);
 
+	if ((tctx->flags & DNS_STYLEFLAG_COMMENT) != 0 &&
+	     algorithm == DNS_KEYALG_PRIVATEDNS) {
+		dns_name_t name;
+		dns_name_init(&name, NULL);
+		dns_name_fromregion(&name, &sr);
+		dns_name_format(&name, namebuf, sizeof(namebuf));
+	} else
+		namebuf[0] = 0;
+
 	/* key */
 	if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
 		RETERR(str_totext(" (", target));
@@ -127,12 +137,18 @@ totext_dnskey(ARGS_TOTEXT) {
 		dns_rdata_toregion(rdata, &tmpr);
 		sprintf(buf, "%u", dst_region_computeid(&tmpr, algorithm));
 		RETERR(str_totext(buf, target));
+		if (algorithm == DNS_KEYALG_PRIVATEDNS) {
+			RETERR(str_totext(tctx->linebreak, target));
+			RETERR(str_totext("; alg = ", target));
+			RETERR(str_totext(namebuf, target));
+		}
 	}
 	return (ISC_R_SUCCESS);
 }
 
 static inline isc_result_t
 fromwire_dnskey(ARGS_FROMWIRE) {
+	unsigned char algorithm;
 	isc_region_t sr;
 
 	REQUIRE(type == 48);
@@ -146,6 +162,18 @@ fromwire_dnskey(ARGS_FROMWIRE) {
 	if (sr.length < 4)
 		return (ISC_R_UNEXPECTEDEND);
 
+	algorithm = sr.base[3];
+	RETERR(mem_tobuffer(target, sr.base, 4));
+	isc_region_consume(&sr, 4);
+	isc_buffer_forward(source, 4);
+
+	if (algorithm == DNS_KEYALG_PRIVATEDNS) {
+		dns_name_t name;
+		dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
+		dns_name_init(&name, NULL);
+		RETERR(dns_name_fromwire(&name, source, dctx, options, target));
+	}
+	isc_buffer_activeregion(source, &sr);
 	isc_buffer_forward(source, sr.length);
 	return (mem_tobuffer(target, sr.base, sr.length));
 }
@@ -309,4 +337,13 @@ checknames_dnskey(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_dnskey(ARGS_COMPARE) {
+
+	/*
+	 * Treat ALG 253 (private DNS) subtype name case sensistively.
+	 */
+	return (compare_dnskey(rdata1, rdata2));
+}
+
 #endif	/* RDATA_GENERIC_DNSKEY_48_C */
diff --git a/lib/dns/rdata/generic/ds_43.c b/lib/dns/rdata/generic/ds_43.c
index fcaa69b..ee74ab67 100644
--- a/lib/dns/rdata/generic/ds_43.c
+++ b/lib/dns/rdata/generic/ds_43.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009, 2010  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: ds_43.c,v 1.12 2007-06-18 23:47:43 tbox Exp $ */
+/* $Id: ds_43.c,v 1.16 2010-12-23 23:47:08 tbox Exp $ */
 
 /* draft-ietf-dnsext-delegation-signer-05.txt */
 
@@ -74,12 +74,20 @@ fromtext_ds(ARGS_FROMTEXT) {
 	/*
 	 * Digest.
 	 */
-	if (c == DNS_DSDIGEST_SHA1)
+	switch (c) {
+	case DNS_DSDIGEST_SHA1:
 		length = ISC_SHA1_DIGESTLENGTH;
-	else if (c == DNS_DSDIGEST_SHA256)
+		break;
+	case DNS_DSDIGEST_SHA256:
 		length = ISC_SHA256_DIGESTLENGTH;
-	else
+		break;
+	case DNS_DSDIGEST_GOST:
+		length = ISC_GOST_DIGESTLENGTH;
+		break;
+	default:
 		length = -1;
+		break;
+	}
 	return (isc_hex_tobuffer(lexer, target, length));
 }
 
@@ -152,7 +160,9 @@ fromwire_ds(ARGS_FROMWIRE) {
 	    (sr.base[3] == DNS_DSDIGEST_SHA1 &&
 	     sr.length < 4 + ISC_SHA1_DIGESTLENGTH) ||
 	    (sr.base[3] == DNS_DSDIGEST_SHA256 &&
-	     sr.length < 4 + ISC_SHA256_DIGESTLENGTH))
+	     sr.length < 4 + ISC_SHA256_DIGESTLENGTH) ||
+	    (sr.base[3] == DNS_DSDIGEST_GOST &&
+	     sr.length < 4 + ISC_GOST_DIGESTLENGTH))
 		return (ISC_R_UNEXPECTEDEND);
 
 	/*
@@ -164,6 +174,8 @@ fromwire_ds(ARGS_FROMWIRE) {
 		sr.length = 4 + ISC_SHA1_DIGESTLENGTH;
 	else if (sr.base[3] == DNS_DSDIGEST_SHA256)
 		sr.length = 4 + ISC_SHA256_DIGESTLENGTH;
+	else if (sr.base[3] == DNS_DSDIGEST_GOST)
+		sr.length = 4 + ISC_GOST_DIGESTLENGTH;
 
 	isc_buffer_forward(source, sr.length);
 	return (mem_tobuffer(target, sr.base, sr.length));
@@ -213,6 +225,9 @@ fromstruct_ds(ARGS_FROMSTRUCT) {
 	case DNS_DSDIGEST_SHA256:
 		REQUIRE(ds->length == ISC_SHA256_DIGESTLENGTH);
 		break;
+	case DNS_DSDIGEST_GOST:
+		REQUIRE(ds->length == ISC_GOST_DIGESTLENGTH);
+		break;
 	}
 
 	UNUSED(type);
@@ -318,4 +333,9 @@ checknames_ds(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_ds(ARGS_COMPARE) {
+	return (compare_ds(rdata1, rdata2));
+}
+
 #endif	/* RDATA_GENERIC_DS_43_C */
diff --git a/lib/dns/rdata/generic/gpos_27.c b/lib/dns/rdata/generic/gpos_27.c
index 35fcc50..7a3992a 100644
--- a/lib/dns/rdata/generic/gpos_27.c
+++ b/lib/dns/rdata/generic/gpos_27.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: gpos_27.c,v 1.41 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: gpos_27.c,v 1.43 2009-12-04 22:06:37 tbox Exp $ */
 
 /* reviewed: Wed Mar 15 16:48:45 PST 2000 by brister */
 
@@ -249,4 +249,9 @@ checknames_gpos(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_gpos(ARGS_COMPARE) {
+	return (compare_gpos(rdata1, rdata2));
+}
+
 #endif	/* RDATA_GENERIC_GPOS_27_C */
diff --git a/lib/dns/rdata/generic/hinfo_13.c b/lib/dns/rdata/generic/hinfo_13.c
index 7f31ab0..6b301e6 100644
--- a/lib/dns/rdata/generic/hinfo_13.c
+++ b/lib/dns/rdata/generic/hinfo_13.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: hinfo_13.c,v 1.44 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: hinfo_13.c,v 1.46 2009-12-04 22:06:37 tbox Exp $ */
 
 /*
  * Reviewed: Wed Mar 15 16:47:10 PST 2000 by halley.
@@ -221,4 +221,8 @@ checknames_hinfo(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_hinfo(ARGS_COMPARE) {
+	return (compare_hinfo(rdata1, rdata2));
+}
 #endif	/* RDATA_GENERIC_HINFO_13_C */
diff --git a/lib/dns/rdata/generic/hip_55.c b/lib/dns/rdata/generic/hip_55.c
new file mode 100644
index 0000000..4cda9c6
--- /dev/null
+++ b/lib/dns/rdata/generic/hip_55.c
@@ -0,0 +1,506 @@
+/*
+ * Copyright (C) 2009, 2011  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: hip_55.c,v 1.8 2011-01-13 04:59:26 tbox Exp $ */
+
+/* reviewed: TBC */
+
+/* RFC 5205 */
+
+#ifndef RDATA_GENERIC_HIP_5_C
+#define RDATA_GENERIC_HIP_5_C
+
+#define RRTYPE_HIP_ATTRIBUTES (0)
+
+static inline isc_result_t
+fromtext_hip(ARGS_FROMTEXT) {
+	isc_token_t token;
+	dns_name_t name;
+	isc_buffer_t buffer;
+	isc_buffer_t hit_len;
+	isc_buffer_t key_len;
+	unsigned char *start;
+	size_t len;
+
+	REQUIRE(type == 55);
+
+	UNUSED(type);
+	UNUSED(rdclass);
+	UNUSED(callbacks);
+
+	/*
+	 * Dummy HIT len.
+	 */
+	hit_len = *target;
+	RETERR(uint8_tobuffer(0, target));
+
+	/*
+	 * Algorithm.
+	 */
+	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
+				      ISC_FALSE));
+	if (token.value.as_ulong > 0xffU)
+		RETTOK(ISC_R_RANGE);
+	RETERR(uint8_tobuffer(token.value.as_ulong, target));
+
+	/*
+	 * Dummy KEY len.
+	 */
+	key_len = *target;
+	RETERR(uint16_tobuffer(0, target));
+
+	/*
+	 * HIT (base16).
+	 */
+	start = isc_buffer_used(target);
+	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
+				      ISC_FALSE));
+	RETTOK(isc_hex_decodestring(DNS_AS_STR(token), target));
+
+	/*
+	 * Fill in HIT len.
+	 */
+	len = (unsigned char *)isc_buffer_used(target) - start;
+	if (len > 0xffU)
+		RETTOK(ISC_R_RANGE);
+	RETERR(uint8_tobuffer(len, &hit_len));
+
+	/*
+	 * Public key (base64).
+	 */
+	start = isc_buffer_used(target);
+	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
+				      ISC_FALSE));
+	RETTOK(isc_base64_decodestring(DNS_AS_STR(token), target));
+
+	/*
+	 * Fill in KEY len.
+	 */
+	len = (unsigned char *)isc_buffer_used(target) - start;
+	if (len > 0xffffU)
+		RETTOK(ISC_R_RANGE);
+	RETERR(uint16_tobuffer(len, &key_len));
+
+	/*
+	 * Rendezvous Servers.
+	 */
+	dns_name_init(&name, NULL);
+	do {
+		RETERR(isc_lex_getmastertoken(lexer, &token,
+					      isc_tokentype_string,
+					      ISC_TRUE));
+		if (token.type != isc_tokentype_string)
+			break;
+		buffer_fromregion(&buffer, &token.value.as_region);
+		origin = (origin != NULL) ? origin : dns_rootname;
+		RETTOK(dns_name_fromtext(&name, &buffer, origin, options,
+					 target));
+	} while (1);
+
+	/*
+	 * Let upper layer handle eol/eof.
+	 */
+	isc_lex_ungettoken(lexer, &token);
+
+	return (ISC_R_SUCCESS);
+}
+
+static inline isc_result_t
+totext_hip(ARGS_TOTEXT) {
+	isc_region_t region;
+	dns_name_t name;
+	size_t length, key_len, hit_len;
+	unsigned char algorithm;
+	char buf[sizeof("225 ")];
+
+	REQUIRE(rdata->type == 55);
+	REQUIRE(rdata->length != 0);
+
+	dns_rdata_toregion(rdata, ®ion);
+
+	hit_len = uint8_fromregion(®ion);
+	isc_region_consume(®ion, 1);
+
+	algorithm = uint8_fromregion(®ion);
+	isc_region_consume(®ion, 1);
+
+	key_len = uint16_fromregion(®ion);
+	isc_region_consume(®ion, 2);
+
+	if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
+		RETERR(str_totext("( ", target));
+
+	/*
+	 * Algorithm
+	 */
+	sprintf(buf, "%u ", algorithm);
+	RETERR(str_totext(buf, target));
+
+	/*
+	 * HIT.
+	 */
+	INSIST(hit_len < region.length);
+	length = region.length;
+	region.length = hit_len;
+	RETERR(isc_hex_totext(®ion, 1, "", target));
+	region.length = length - hit_len;
+	RETERR(str_totext(tctx->linebreak, target));
+
+	/*
+	 * Public KEY.
+	 */
+	INSIST(key_len <= region.length);
+	length = region.length;
+	region.length = key_len;
+	RETERR(isc_base64_totext(®ion, 1, "", target));
+	region.length = length - key_len;
+	RETERR(str_totext(tctx->linebreak, target));
+
+	/*
+	 * Rendezvous Servers.
+	 */
+	dns_name_init(&name, NULL);
+	while (region.length > 0) {
+		dns_name_fromregion(&name, ®ion);
+
+		RETERR(dns_name_totext(&name, ISC_FALSE, target));
+		isc_region_consume(®ion, name.length);
+		if (region.length > 0)
+			RETERR(str_totext(tctx->linebreak, target));
+	}
+	if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
+		RETERR(str_totext(" )", target));
+	return (ISC_R_SUCCESS);
+}
+
+static inline isc_result_t
+fromwire_hip(ARGS_FROMWIRE) {
+	isc_region_t region, rr;
+	dns_name_t name;
+	isc_uint8_t hit_len;
+	isc_uint16_t key_len;
+
+	REQUIRE(type == 55);
+
+	UNUSED(type);
+	UNUSED(rdclass);
+
+	isc_buffer_activeregion(source, ®ion);
+	if (region.length < 4U)
+		RETERR(DNS_R_FORMERR);
+
+	rr = region;
+	hit_len = uint8_fromregion(®ion);
+	if (hit_len == 0)
+		RETERR(DNS_R_FORMERR);
+	isc_region_consume(®ion, 2);  	/* hit length + algorithm */
+	key_len = uint16_fromregion(®ion);
+	if (key_len == 0)
+		RETERR(DNS_R_FORMERR);
+	isc_region_consume(®ion, 2);
+	if (region.length < (unsigned) (hit_len + key_len))
+		RETERR(DNS_R_FORMERR);
+
+	RETERR(mem_tobuffer(target, rr.base, 4 + hit_len + key_len));
+	isc_buffer_forward(source, 4 + hit_len + key_len);
+
+	dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
+	while (isc_buffer_activelength(source) > 0) {
+		dns_name_init(&name, NULL);
+		RETERR(dns_name_fromwire(&name, source, dctx, options, target));
+	}
+	return (ISC_R_SUCCESS);
+}
+
+static inline isc_result_t
+towire_hip(ARGS_TOWIRE) {
+	isc_region_t region;
+
+	REQUIRE(rdata->type == 55);
+	REQUIRE(rdata->length != 0);
+
+	UNUSED(cctx);
+
+	dns_rdata_toregion(rdata, ®ion);
+	return (mem_tobuffer(target, region.base, region.length));
+}
+
+static inline int
+compare_hip(ARGS_COMPARE) {
+	isc_region_t region1;
+	isc_region_t region2;
+
+	REQUIRE(rdata1->type == rdata2->type);
+	REQUIRE(rdata1->rdclass == rdata2->rdclass);
+	REQUIRE(rdata1->type == 55);
+	REQUIRE(rdata1->length != 0);
+	REQUIRE(rdata2->length != 0);
+
+	dns_rdata_toregion(rdata1, ®ion1);
+	dns_rdata_toregion(rdata2, ®ion2);
+	return (isc_region_compare(®ion1, ®ion2));
+}
+
+static inline isc_result_t
+fromstruct_hip(ARGS_FROMSTRUCT) {
+	dns_rdata_hip_t *hip = source;
+	dns_rdata_hip_t myhip;
+	isc_result_t result;
+
+	REQUIRE(type == 55);
+	REQUIRE(source != NULL);
+	REQUIRE(hip->common.rdtype == type);
+	REQUIRE(hip->common.rdclass == rdclass);
+	REQUIRE(hip->hit_len > 0 && hip->hit != NULL);
+	REQUIRE(hip->key_len > 0 && hip->key != NULL);
+	REQUIRE((hip->servers == NULL && hip->servers_len == 0) ||
+		 (hip->servers != NULL && hip->servers_len != 0));
+
+	UNUSED(type);
+	UNUSED(rdclass);
+
+	RETERR(uint8_tobuffer(hip->hit_len, target));
+	RETERR(uint8_tobuffer(hip->algorithm, target));
+	RETERR(uint16_tobuffer(hip->key_len, target));
+	RETERR(mem_tobuffer(target, hip->hit, hip->hit_len));
+	RETERR(mem_tobuffer(target, hip->key, hip->key_len));
+
+	myhip = *hip;
+	for (result = dns_rdata_hip_first(&myhip);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rdata_hip_next(&myhip))
+		/* empty */;
+
+	return(mem_tobuffer(target, hip->servers, hip->servers_len));
+}
+
+static inline isc_result_t
+tostruct_hip(ARGS_TOSTRUCT) {
+	isc_region_t region;
+	dns_rdata_hip_t *hip = target;
+
+	REQUIRE(rdata->type == 55);
+	REQUIRE(target != NULL);
+	REQUIRE(rdata->length != 0);
+
+	hip->common.rdclass = rdata->rdclass;
+	hip->common.rdtype = rdata->type;
+	ISC_LINK_INIT(&hip->common, link);
+
+	dns_rdata_toregion(rdata, ®ion);
+
+	hip->hit_len = uint8_fromregion(®ion);
+	isc_region_consume(®ion, 1);
+
+	hip->algorithm = uint8_fromregion(®ion);
+	isc_region_consume(®ion, 1);
+
+	hip->key_len = uint16_fromregion(®ion);
+	isc_region_consume(®ion, 2);
+
+	hip->hit = hip->key = hip->servers = NULL;
+
+	hip->hit = mem_maybedup(mctx, region.base, hip->hit_len);
+	if (hip->hit == NULL)
+		goto cleanup;
+	isc_region_consume(®ion, hip->hit_len);
+
+	hip->key = mem_maybedup(mctx, region.base, hip->key_len);
+	if (hip->key == NULL)
+		goto cleanup;
+	isc_region_consume(®ion, hip->key_len);
+
+	hip->servers_len = region.length;
+	if (hip->servers_len != 0) {
+		hip->servers = mem_maybedup(mctx, region.base, region.length);
+		if (hip->servers == NULL)
+			goto cleanup;
+	}
+
+	hip->offset = hip->servers_len;
+	hip->mctx = mctx;
+	return (ISC_R_SUCCESS);
+
+ cleanup:
+	if (hip->hit != NULL)
+		isc_mem_free(mctx, hip->hit);
+	if (hip->key != NULL)
+		isc_mem_free(mctx, hip->key);
+	if (hip->servers != NULL)
+		isc_mem_free(mctx, hip->servers);
+	return (ISC_R_NOMEMORY);
+
+}
+
+static inline void
+freestruct_hip(ARGS_FREESTRUCT) {
+	dns_rdata_hip_t *hip = source;
+
+	REQUIRE(source != NULL);
+
+	if (hip->mctx == NULL)
+		return;
+
+	isc_mem_free(hip->mctx, hip->hit);
+	isc_mem_free(hip->mctx, hip->key);
+	if (hip->servers != NULL)
+		isc_mem_free(hip->mctx, hip->servers);
+	hip->mctx = NULL;
+}
+
+static inline isc_result_t
+additionaldata_hip(ARGS_ADDLDATA) {
+	UNUSED(rdata);
+	UNUSED(add);
+	UNUSED(arg);
+
+	REQUIRE(rdata->type == 55);
+
+	return (ISC_R_SUCCESS);
+}
+
+static inline isc_result_t
+digest_hip(ARGS_DIGEST) {
+	isc_region_t r;
+
+	REQUIRE(rdata->type == 55);
+
+	dns_rdata_toregion(rdata, &r);
+	return ((digest)(arg, &r));
+}
+
+static inline isc_boolean_t
+checkowner_hip(ARGS_CHECKOWNER) {
+
+	REQUIRE(type == 55);
+
+	UNUSED(name);
+	UNUSED(type);
+	UNUSED(rdclass);
+	UNUSED(wildcard);
+
+	return (ISC_TRUE);
+}
+
+static inline isc_boolean_t
+checknames_hip(ARGS_CHECKNAMES) {
+
+	REQUIRE(rdata->type == 55);
+
+	UNUSED(rdata);
+	UNUSED(owner);
+	UNUSED(bad);
+
+	return (ISC_TRUE);
+}
+
+isc_result_t
+dns_rdata_hip_first(dns_rdata_hip_t *hip) {
+	if (hip->servers_len == 0)
+		return (ISC_R_NOMORE);
+	hip->offset = 0;
+	return (ISC_R_SUCCESS);
+}
+
+isc_result_t
+dns_rdata_hip_next(dns_rdata_hip_t *hip) {
+	isc_region_t region;
+	dns_name_t name;
+
+	if (hip->offset >= hip->servers_len)
+		return (ISC_R_NOMORE);
+
+	region.base = hip->servers + hip->offset;
+	region.length = hip->servers_len - hip->offset;
+	dns_name_init(&name, NULL);
+	dns_name_fromregion(&name, ®ion);
+	hip->offset += name.length;
+	INSIST(hip->offset <= hip->servers_len);
+	return (ISC_R_SUCCESS);
+}
+
+void
+dns_rdata_hip_current(dns_rdata_hip_t *hip, dns_name_t *name) {
+	isc_region_t region;
+
+	REQUIRE(hip->offset < hip->servers_len);
+
+	region.base = hip->servers + hip->offset;
+	region.length = hip->servers_len - hip->offset;
+	dns_name_fromregion(name, ®ion);
+
+	INSIST(name->length + hip->offset <= hip->servers_len);
+}
+
+static inline int
+casecompare_hip(ARGS_COMPARE) {
+	isc_region_t r1;
+	isc_region_t r2;
+	dns_name_t name1;
+	dns_name_t name2;
+	int order;
+	isc_uint8_t hit_len;
+	isc_uint16_t key_len;
+
+	REQUIRE(rdata1->type == rdata2->type);
+	REQUIRE(rdata1->rdclass == rdata2->rdclass);
+	REQUIRE(rdata1->type == 55);
+	REQUIRE(rdata1->length != 0);
+	REQUIRE(rdata2->length != 0);
+
+	dns_rdata_toregion(rdata1, &r1);
+	dns_rdata_toregion(rdata2, &r2);
+
+	INSIST(r1.length > 4);
+	INSIST(r2.length > 4);
+	r1.length = 4;
+	r2.length = 4;
+	order = isc_region_compare(&r1, &r2);
+	if (order != 0)
+		return (order);
+
+	hit_len = uint8_fromregion(&r1);
+	isc_region_consume(&r1, 2);         /* hit length + algorithm */
+	key_len = uint16_fromregion(&r1);
+
+	dns_rdata_toregion(rdata1, &r1);
+	dns_rdata_toregion(rdata2, &r2);
+	isc_region_consume(&r1, 4);
+	isc_region_consume(&r2, 4);
+	INSIST(r1.length >= (unsigned) (hit_len + key_len));
+	INSIST(r2.length >= (unsigned) (hit_len + key_len));
+	order = isc_region_compare(&r1, &r2);
+	if (order != 0)
+		return (order);
+	isc_region_consume(&r1, hit_len + key_len);
+	isc_region_consume(&r2, hit_len + key_len);
+
+	dns_name_init(&name1, NULL);
+	dns_name_init(&name2, NULL);
+	while (r1.length != 0 && r2.length != 0) {
+		dns_name_fromregion(&name1, &r1);
+		dns_name_fromregion(&name2, &r2);
+		order = dns_name_rdatacompare(&name1, &name2);
+		if (order != 0)
+			return (order);
+
+		isc_region_consume(&r1, name_length(&name1));
+		isc_region_consume(&r2, name_length(&name2));
+	}
+	return (isc_region_compare(&r1, &r2));
+}
+
+#endif	/* RDATA_GENERIC_HIP_5_C */
diff --git a/lib/dns/rdata/generic/hip_55.h b/lib/dns/rdata/generic/hip_55.h
new file mode 100644
index 0000000..79828ad
--- /dev/null
+++ b/lib/dns/rdata/generic/hip_55.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: hip_55.h,v 1.2 2009-02-26 06:09:19 marka Exp $ */
+
+#ifndef GENERIC_HIP_5_H
+#define GENERIC_HIP_5_H 1
+
+/* RFC 5205 */
+
+typedef struct dns_rdata_hip {
+	dns_rdatacommon_t	common;
+	isc_mem_t *		mctx;
+	unsigned char *		hit;
+	unsigned char *		key;
+	unsigned char *		servers;
+	isc_uint8_t		algorithm;
+	isc_uint8_t		hit_len;
+	isc_uint16_t		key_len;
+	isc_uint16_t		servers_len;
+	/* Private */
+	isc_uint16_t		offset;
+} dns_rdata_hip_t;
+
+isc_result_t
+dns_rdata_hip_first(dns_rdata_hip_t *);
+
+isc_result_t
+dns_rdata_hip_next(dns_rdata_hip_t *);
+
+void
+dns_rdata_hip_current(dns_rdata_hip_t *, dns_name_t *);
+
+#endif /* GENERIC_HIP_5_H */
diff --git a/lib/dns/rdata/generic/ipseckey_45.c b/lib/dns/rdata/generic/ipseckey_45.c
index f971d49..995a135 100644
--- a/lib/dns/rdata/generic/ipseckey_45.c
+++ b/lib/dns/rdata/generic/ipseckey_45.c
@@ -14,7 +14,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: ipseckey_45.c,v 1.4.332.5 2011-01-13 04:48:23 tbox Exp $ */
+/* $Id: ipseckey_45.c,v 1.11 2011-01-13 04:59:26 tbox Exp $ */
 
 #ifndef RDATA_GENERIC_IPSECKEY_45_C
 #define RDATA_GENERIC_IPSECKEY_45_C
@@ -456,4 +456,43 @@ checknames_ipseckey(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_ipseckey(ARGS_COMPARE) {
+	isc_region_t region1;
+	isc_region_t region2;
+	dns_name_t name1;
+	dns_name_t name2;
+	int order;
+
+	REQUIRE(rdata1->type == rdata2->type);
+	REQUIRE(rdata1->rdclass == rdata2->rdclass);
+	REQUIRE(rdata1->type == 45);
+	REQUIRE(rdata1->length >= 3);
+	REQUIRE(rdata2->length >= 3);
+
+	dns_rdata_toregion(rdata1, ®ion1);
+	dns_rdata_toregion(rdata2, ®ion2);
+
+	if (memcmp(region1.base, region2.base, 3) != 0 || region1.base[1] != 3)
+		return (isc_region_compare(®ion1, ®ion2));
+
+	dns_name_init(&name1, NULL);
+	dns_name_init(&name2, NULL);
+
+	isc_region_consume(®ion1, 3);
+	isc_region_consume(®ion2, 3);
+
+	dns_name_fromregion(&name1, ®ion1);
+	dns_name_fromregion(&name2, ®ion2);
+
+	order = dns_name_rdatacompare(&name1, &name2);
+	if (order != 0)
+		return (order);
+
+	isc_region_consume(®ion1, name_length(&name1));
+	isc_region_consume(®ion2, name_length(&name2));
+
+	return (isc_region_compare(®ion1, ®ion2));
+}
+
 #endif	/* RDATA_GENERIC_IPSECKEY_45_C */
diff --git a/lib/dns/rdata/generic/isdn_20.c b/lib/dns/rdata/generic/isdn_20.c
index a9e03b2c..b58776c 100644
--- a/lib/dns/rdata/generic/isdn_20.c
+++ b/lib/dns/rdata/generic/isdn_20.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: isdn_20.c,v 1.38 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: isdn_20.c,v 1.40 2009-12-04 22:06:37 tbox Exp $ */
 
 /* Reviewed: Wed Mar 15 16:53:11 PST 2000 by bwelling */
 
@@ -231,4 +231,9 @@ checknames_isdn(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_isdn(ARGS_COMPARE) {
+	return (compare_isdn(rdata1, rdata2));
+}
+
 #endif	/* RDATA_GENERIC_ISDN_20_C */
diff --git a/lib/dns/rdata/generic/key_25.c b/lib/dns/rdata/generic/key_25.c
index acd314c..6fe27cb 100644
--- a/lib/dns/rdata/generic/key_25.c
+++ b/lib/dns/rdata/generic/key_25.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: key_25.c,v 1.51 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: key_25.c,v 1.53 2009-12-04 22:06:37 tbox Exp $ */
 
 /*
  * Reviewed: Wed Mar 15 16:47:10 PST 2000 by halley.
@@ -76,6 +76,7 @@ totext_key(ARGS_TOTEXT) {
 	char buf[sizeof("64000")];
 	unsigned int flags;
 	unsigned char algorithm;
+	char namebuf[DNS_NAME_FORMATSIZE];
 
 	REQUIRE(rdata->type == 25);
 	REQUIRE(rdata->length != 0);
@@ -105,6 +106,15 @@ totext_key(ARGS_TOTEXT) {
 	if ((flags & 0xc000) == 0xc000)
 		return (ISC_R_SUCCESS);
 
+	if ((tctx->flags & DNS_STYLEFLAG_COMMENT) != 0 &&
+	     algorithm == DNS_KEYALG_PRIVATEDNS) {
+		dns_name_t name;
+		dns_name_init(&name, NULL);
+		dns_name_fromregion(&name, &sr);
+		dns_name_format(&name, namebuf, sizeof(namebuf));
+	} else
+		namebuf[0] = 0;
+
 	/* key */
 	if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
 		RETERR(str_totext(" (", target));
@@ -127,12 +137,18 @@ totext_key(ARGS_TOTEXT) {
 		dns_rdata_toregion(rdata, &tmpr);
 		sprintf(buf, "%u", dst_region_computeid(&tmpr, algorithm));
 		RETERR(str_totext(buf, target));
+		if (algorithm == DNS_KEYALG_PRIVATEDNS) {
+			RETERR(str_totext(tctx->linebreak, target));
+			RETERR(str_totext("; alg = ", target));
+			RETERR(str_totext(namebuf, target));
+		}
 	}
 	return (ISC_R_SUCCESS);
 }
 
 static inline isc_result_t
 fromwire_key(ARGS_FROMWIRE) {
+	unsigned char algorithm;
 	isc_region_t sr;
 
 	REQUIRE(type == 25);
@@ -146,6 +162,18 @@ fromwire_key(ARGS_FROMWIRE) {
 	if (sr.length < 4)
 		return (ISC_R_UNEXPECTEDEND);
 
+	algorithm = sr.base[3];
+	RETERR(mem_tobuffer(target, sr.base, 4));
+	isc_region_consume(&sr, 4);
+	isc_buffer_forward(source, 4);
+
+	if (algorithm == DNS_KEYALG_PRIVATEDNS) {
+		dns_name_t name;
+		dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
+		dns_name_init(&name, NULL);
+		RETERR(dns_name_fromwire(&name, source, dctx, options, target));
+	}
+	isc_buffer_activeregion(source, &sr);
 	isc_buffer_forward(source, sr.length);
 	return (mem_tobuffer(target, sr.base, sr.length));
 }
@@ -309,4 +337,9 @@ checknames_key(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_key(ARGS_COMPARE) {
+	return (compare_key(rdata1, rdata2));
+}
+
 #endif	/* RDATA_GENERIC_KEY_25_C */
diff --git a/lib/dns/rdata/generic/keydata_65533.c b/lib/dns/rdata/generic/keydata_65533.c
new file mode 100644
index 0000000..3636209
--- /dev/null
+++ b/lib/dns/rdata/generic/keydata_65533.c
@@ -0,0 +1,377 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: keydata_65533.c,v 1.3 2009-12-04 21:09:33 marka Exp $ */
+
+#ifndef GENERIC_KEYDATA_65533_C
+#define GENERIC_KEYDATA_65533_C 1
+
+#include 
+
+#define RRTYPE_KEYDATA_ATTRIBUTES (DNS_RDATATYPEATTR_DNSSEC)
+
+static inline isc_result_t
+fromtext_keydata(ARGS_FROMTEXT) {
+	isc_token_t token;
+	dns_secalg_t alg;
+	dns_secproto_t proto;
+	dns_keyflags_t flags;
+	isc_uint32_t refresh, addhd, removehd;
+
+	REQUIRE(type == 65533);
+
+	UNUSED(type);
+	UNUSED(rdclass);
+	UNUSED(origin);
+	UNUSED(options);
+	UNUSED(callbacks);
+
+	/* refresh timer */
+	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
+				      ISC_FALSE));
+	RETTOK(dns_time32_fromtext(DNS_AS_STR(token), &refresh));
+	RETERR(uint32_tobuffer(refresh, target));
+
+	/* add hold-down */
+	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
+				      ISC_FALSE));
+	RETTOK(dns_time32_fromtext(DNS_AS_STR(token), &addhd));
+	RETERR(uint32_tobuffer(addhd, target));
+
+	/* remove hold-down */
+	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
+				      ISC_FALSE));
+	RETTOK(dns_time32_fromtext(DNS_AS_STR(token), &removehd));
+	RETERR(uint32_tobuffer(removehd, target));
+
+	/* flags */
+	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
+				      ISC_FALSE));
+	RETTOK(dns_keyflags_fromtext(&flags, &token.value.as_textregion));
+	RETERR(uint16_tobuffer(flags, target));
+
+	/* protocol */
+	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
+				      ISC_FALSE));
+	RETTOK(dns_secproto_fromtext(&proto, &token.value.as_textregion));
+	RETERR(mem_tobuffer(target, &proto, 1));
+
+	/* algorithm */
+	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
+				      ISC_FALSE));
+	RETTOK(dns_secalg_fromtext(&alg, &token.value.as_textregion));
+	RETERR(mem_tobuffer(target, &alg, 1));
+
+	/* No Key? */
+	if ((flags & 0xc000) == 0xc000)
+		return (ISC_R_SUCCESS);
+
+	return (isc_base64_tobuffer(lexer, target, -1));
+}
+
+static inline isc_result_t
+totext_keydata(ARGS_TOTEXT) {
+	isc_region_t sr;
+	char buf[sizeof("64000")];
+	unsigned int flags;
+	unsigned char algorithm;
+	unsigned long when;
+
+	REQUIRE(rdata->type == 65533);
+	REQUIRE(rdata->length != 0);
+
+	dns_rdata_toregion(rdata, &sr);
+
+	/* refresh timer */
+	when = uint32_fromregion(&sr);
+	isc_region_consume(&sr, 4);
+	RETERR(dns_time32_totext(when, target));
+	RETERR(str_totext(" ", target));
+
+	/* add hold-down */
+	when = uint32_fromregion(&sr);
+	isc_region_consume(&sr, 4);
+	RETERR(dns_time32_totext(when, target));
+	RETERR(str_totext(" ", target));
+
+	/* remove hold-down */
+	when = uint32_fromregion(&sr);
+	isc_region_consume(&sr, 4);
+	RETERR(dns_time32_totext(when, target));
+	RETERR(str_totext(" ", target));
+
+	/* flags */
+	flags = uint16_fromregion(&sr);
+	isc_region_consume(&sr, 2);
+	sprintf(buf, "%u", flags);
+	RETERR(str_totext(buf, target));
+	RETERR(str_totext(" ", target));
+
+	/* protocol */
+	sprintf(buf, "%u", sr.base[0]);
+	isc_region_consume(&sr, 1);
+	RETERR(str_totext(buf, target));
+	RETERR(str_totext(" ", target));
+
+	/* algorithm */
+	algorithm = sr.base[0];
+	sprintf(buf, "%u", algorithm);
+	isc_region_consume(&sr, 1);
+	RETERR(str_totext(buf, target));
+
+	/* No Key? */
+	if ((flags & 0xc000) == 0xc000)
+		return (ISC_R_SUCCESS);
+
+	/* key */
+	if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
+		RETERR(str_totext(" (", target));
+	RETERR(str_totext(tctx->linebreak, target));
+	RETERR(isc_base64_totext(&sr, tctx->width - 2,
+				 tctx->linebreak, target));
+
+	if ((tctx->flags & DNS_STYLEFLAG_COMMENT) != 0)
+		RETERR(str_totext(tctx->linebreak, target));
+	else if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
+		RETERR(str_totext(" ", target));
+
+	if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
+		RETERR(str_totext(")", target));
+
+	if ((tctx->flags & DNS_STYLEFLAG_COMMENT) != 0) {
+		isc_region_t tmpr;
+
+		RETERR(str_totext(" ; key id = ", target));
+		dns_rdata_toregion(rdata, &tmpr);
+		/* Skip over refresh, addhd, and removehd */
+		isc_region_consume(&tmpr, 12);
+		sprintf(buf, "%u", dst_region_computeid(&tmpr, algorithm));
+		RETERR(str_totext(buf, target));
+	}
+	return (ISC_R_SUCCESS);
+}
+
+static inline isc_result_t
+fromwire_keydata(ARGS_FROMWIRE) {
+	isc_region_t sr;
+
+	REQUIRE(type == 65533);
+
+	UNUSED(type);
+	UNUSED(rdclass);
+	UNUSED(dctx);
+	UNUSED(options);
+
+	isc_buffer_activeregion(source, &sr);
+	if (sr.length < 4)
+		return (ISC_R_UNEXPECTEDEND);
+
+	isc_buffer_forward(source, sr.length);
+	return (mem_tobuffer(target, sr.base, sr.length));
+}
+
+static inline isc_result_t
+towire_keydata(ARGS_TOWIRE) {
+	isc_region_t sr;
+
+	REQUIRE(rdata->type == 65533);
+	REQUIRE(rdata->length != 0);
+
+	UNUSED(cctx);
+
+	dns_rdata_toregion(rdata, &sr);
+	return (mem_tobuffer(target, sr.base, sr.length));
+}
+
+static inline int
+compare_keydata(ARGS_COMPARE) {
+	isc_region_t r1;
+	isc_region_t r2;
+
+	REQUIRE(rdata1->type == rdata2->type);
+	REQUIRE(rdata1->rdclass == rdata2->rdclass);
+	REQUIRE(rdata1->type == 65533);
+	REQUIRE(rdata1->length != 0);
+	REQUIRE(rdata2->length != 0);
+
+	dns_rdata_toregion(rdata1, &r1);
+	dns_rdata_toregion(rdata2, &r2);
+	return (isc_region_compare(&r1, &r2));
+}
+
+static inline isc_result_t
+fromstruct_keydata(ARGS_FROMSTRUCT) {
+	dns_rdata_keydata_t *keydata = source;
+
+	REQUIRE(type == 65533);
+	REQUIRE(source != NULL);
+	REQUIRE(keydata->common.rdtype == type);
+	REQUIRE(keydata->common.rdclass == rdclass);
+
+	UNUSED(type);
+	UNUSED(rdclass);
+
+	/* Refresh timer */
+	RETERR(uint32_tobuffer(keydata->refresh, target));
+
+	/* Add hold-down */
+	RETERR(uint32_tobuffer(keydata->addhd, target));
+
+	/* Remove hold-down */
+	RETERR(uint32_tobuffer(keydata->removehd, target));
+
+	/* Flags */
+	RETERR(uint16_tobuffer(keydata->flags, target));
+
+	/* Protocol */
+	RETERR(uint8_tobuffer(keydata->protocol, target));
+
+	/* Algorithm */
+	RETERR(uint8_tobuffer(keydata->algorithm, target));
+
+	/* Data */
+	return (mem_tobuffer(target, keydata->data, keydata->datalen));
+}
+
+static inline isc_result_t
+tostruct_keydata(ARGS_TOSTRUCT) {
+	dns_rdata_keydata_t *keydata = target;
+	isc_region_t sr;
+
+	REQUIRE(rdata->type == 65533);
+	REQUIRE(target != NULL);
+	REQUIRE(rdata->length != 0);
+
+	keydata->common.rdclass = rdata->rdclass;
+	keydata->common.rdtype = rdata->type;
+	ISC_LINK_INIT(&keydata->common, link);
+
+	dns_rdata_toregion(rdata, &sr);
+
+	/* Refresh timer */
+	if (sr.length < 4)
+		return (ISC_R_UNEXPECTEDEND);
+	keydata->refresh = uint32_fromregion(&sr);
+	isc_region_consume(&sr, 4);
+
+	/* Add hold-down */
+	if (sr.length < 4)
+		return (ISC_R_UNEXPECTEDEND);
+	keydata->addhd = uint32_fromregion(&sr);
+	isc_region_consume(&sr, 4);
+
+	/* Remove hold-down */
+	if (sr.length < 4)
+		return (ISC_R_UNEXPECTEDEND);
+	keydata->removehd = uint32_fromregion(&sr);
+	isc_region_consume(&sr, 4);
+
+	/* Flags */
+	if (sr.length < 2)
+		return (ISC_R_UNEXPECTEDEND);
+	keydata->flags = uint16_fromregion(&sr);
+	isc_region_consume(&sr, 2);
+
+	/* Protocol */
+	if (sr.length < 1)
+		return (ISC_R_UNEXPECTEDEND);
+	keydata->protocol = uint8_fromregion(&sr);
+	isc_region_consume(&sr, 1);
+
+	/* Algorithm */
+	if (sr.length < 1)
+		return (ISC_R_UNEXPECTEDEND);
+	keydata->algorithm = uint8_fromregion(&sr);
+	isc_region_consume(&sr, 1);
+
+	/* Data */
+	keydata->datalen = sr.length;
+	keydata->data = mem_maybedup(mctx, sr.base, keydata->datalen);
+	if (keydata->data == NULL)
+		return (ISC_R_NOMEMORY);
+
+	keydata->mctx = mctx;
+	return (ISC_R_SUCCESS);
+}
+
+static inline void
+freestruct_keydata(ARGS_FREESTRUCT) {
+	dns_rdata_keydata_t *keydata = (dns_rdata_keydata_t *) source;
+
+	REQUIRE(source != NULL);
+	REQUIRE(keydata->common.rdtype == 65533);
+
+	if (keydata->mctx == NULL)
+		return;
+
+	if (keydata->data != NULL)
+		isc_mem_free(keydata->mctx, keydata->data);
+	keydata->mctx = NULL;
+}
+
+static inline isc_result_t
+additionaldata_keydata(ARGS_ADDLDATA) {
+	REQUIRE(rdata->type == 65533);
+
+	UNUSED(rdata);
+	UNUSED(add);
+	UNUSED(arg);
+
+	return (ISC_R_SUCCESS);
+}
+
+static inline isc_result_t
+digest_keydata(ARGS_DIGEST) {
+	isc_region_t r;
+
+	REQUIRE(rdata->type == 65533);
+
+	dns_rdata_toregion(rdata, &r);
+
+	return ((digest)(arg, &r));
+}
+
+static inline isc_boolean_t
+checkowner_keydata(ARGS_CHECKOWNER) {
+
+	REQUIRE(type == 65533);
+
+	UNUSED(name);
+	UNUSED(type);
+	UNUSED(rdclass);
+	UNUSED(wildcard);
+
+	return (ISC_TRUE);
+}
+
+static inline isc_boolean_t
+checknames_keydata(ARGS_CHECKNAMES) {
+
+	REQUIRE(rdata->type == 65533);
+
+	UNUSED(rdata);
+	UNUSED(owner);
+	UNUSED(bad);
+
+	return (ISC_TRUE);
+}
+
+static inline int
+casecompare_keydata(ARGS_COMPARE) {
+	return (compare_keydata(rdata1, rdata2));
+}
+
+#endif /* GENERIC_KEYDATA_65533_C */
diff --git a/lib/dns/rdata/generic/keydata_65533.h b/lib/dns/rdata/generic/keydata_65533.h
new file mode 100644
index 0000000..21cb1ba
--- /dev/null
+++ b/lib/dns/rdata/generic/keydata_65533.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef GENERIC_KEYDATA_65533_H
+#define GENERIC_KEYDATA_65533_H 1
+
+/* $Id: keydata_65533.h,v 1.2 2009-06-30 02:52:32 each Exp $ */
+
+typedef struct dns_rdata_keydata {
+	dns_rdatacommon_t	common;
+	isc_mem_t *		mctx;
+	isc_uint32_t		refresh;      /* Timer for refreshing data */
+	isc_uint32_t		addhd;	      /* Hold-down timer for adding */
+	isc_uint32_t		removehd;     /* Hold-down timer for removing */
+	isc_uint16_t		flags;	      /* Copy of DNSKEY_48 */
+	isc_uint8_t		protocol;
+	isc_uint8_t		algorithm;
+	isc_uint16_t		datalen;
+	unsigned char *		data;
+} dns_rdata_keydata_t;
+
+#endif /* GENERIC_KEYDATA_65533_H */
diff --git a/lib/dns/rdata/generic/loc_29.c b/lib/dns/rdata/generic/loc_29.c
index a5efb01..62d5cd0 100644
--- a/lib/dns/rdata/generic/loc_29.c
+++ b/lib/dns/rdata/generic/loc_29.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: loc_29.c,v 1.45.332.4 2009-02-17 05:54:12 marka Exp $ */
+/* $Id: loc_29.c,v 1.50 2009-12-04 21:09:33 marka Exp $ */
 
 /* Reviewed: Wed Mar 15 18:13:09 PST 2000 by explorer */
 
@@ -796,4 +796,9 @@ checknames_loc(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_loc(ARGS_COMPARE) {
+	return (compare_loc(rdata1, rdata2));
+}
+
 #endif	/* RDATA_GENERIC_LOC_29_C */
diff --git a/lib/dns/rdata/generic/mb_7.c b/lib/dns/rdata/generic/mb_7.c
index c47365a..7a4af1c 100644
--- a/lib/dns/rdata/generic/mb_7.c
+++ b/lib/dns/rdata/generic/mb_7.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: mb_7.c,v 1.45 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: mb_7.c,v 1.47 2009-12-04 22:06:37 tbox Exp $ */
 
 /* Reviewed: Wed Mar 15 17:31:26 PST 2000 by bwelling */
 
@@ -69,7 +69,7 @@ totext_mb(ARGS_TOTEXT) {
 
 static inline isc_result_t
 fromwire_mb(ARGS_FROMWIRE) {
-        dns_name_t name;
+	dns_name_t name;
 
 	REQUIRE(type == 7);
 
@@ -78,8 +78,8 @@ fromwire_mb(ARGS_FROMWIRE) {
 
 	dns_decompress_setmethods(dctx, DNS_COMPRESS_GLOBAL14);
 
-        dns_name_init(&name, NULL);
-        return (dns_name_fromwire(&name, source, dctx, options, target));
+	dns_name_init(&name, NULL);
+	return (dns_name_fromwire(&name, source, dctx, options, target));
 }
 
 static inline isc_result_t
@@ -231,4 +231,9 @@ checknames_mb(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_mb(ARGS_COMPARE) {
+	return (compare_mb(rdata1, rdata2));
+}
+
 #endif	/* RDATA_GENERIC_MB_7_C */
diff --git a/lib/dns/rdata/generic/md_3.c b/lib/dns/rdata/generic/md_3.c
index 269f9be..ee06274 100644
--- a/lib/dns/rdata/generic/md_3.c
+++ b/lib/dns/rdata/generic/md_3.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: md_3.c,v 1.47 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: md_3.c,v 1.49 2009-12-04 22:06:37 tbox Exp $ */
 
 /* Reviewed: Wed Mar 15 17:48:20 PST 2000 by bwelling */
 
@@ -69,7 +69,7 @@ totext_md(ARGS_TOTEXT) {
 
 static inline isc_result_t
 fromwire_md(ARGS_FROMWIRE) {
-        dns_name_t name;
+	dns_name_t name;
 
 	REQUIRE(type == 3);
 
@@ -78,8 +78,8 @@ fromwire_md(ARGS_FROMWIRE) {
 
 	dns_decompress_setmethods(dctx, DNS_COMPRESS_GLOBAL14);
 
-        dns_name_init(&name, NULL);
-        return (dns_name_fromwire(&name, source, dctx, options, target));
+	dns_name_init(&name, NULL);
+	return (dns_name_fromwire(&name, source, dctx, options, target));
 }
 
 static inline isc_result_t
@@ -233,4 +233,9 @@ checknames_md(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_md(ARGS_COMPARE) {
+	return (compare_md(rdata1, rdata2));
+}
+
 #endif	/* RDATA_GENERIC_MD_3_C */
diff --git a/lib/dns/rdata/generic/mf_4.c b/lib/dns/rdata/generic/mf_4.c
index 9223384..d14bf6c 100644
--- a/lib/dns/rdata/generic/mf_4.c
+++ b/lib/dns/rdata/generic/mf_4.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: mf_4.c,v 1.45 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: mf_4.c,v 1.47 2009-12-04 22:06:37 tbox Exp $ */
 
 /* reviewed: Wed Mar 15 17:47:33 PST 2000 by brister */
 
@@ -69,7 +69,7 @@ totext_mf(ARGS_TOTEXT) {
 
 static inline isc_result_t
 fromwire_mf(ARGS_FROMWIRE) {
-        dns_name_t name;
+	dns_name_t name;
 
 	REQUIRE(type == 4);
 
@@ -78,8 +78,8 @@ fromwire_mf(ARGS_FROMWIRE) {
 
 	dns_decompress_setmethods(dctx, DNS_COMPRESS_GLOBAL14);
 
-        dns_name_init(&name, NULL);
-        return (dns_name_fromwire(&name, source, dctx, options, target));
+	dns_name_init(&name, NULL);
+	return (dns_name_fromwire(&name, source, dctx, options, target));
 }
 
 static inline isc_result_t
@@ -232,4 +232,9 @@ checknames_mf(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_mf(ARGS_COMPARE) {
+	return (compare_mf(rdata1, rdata2));
+}
+
 #endif	/* RDATA_GENERIC_MF_4_C */
diff --git a/lib/dns/rdata/generic/mg_8.c b/lib/dns/rdata/generic/mg_8.c
index ba7630c..c1d553a 100644
--- a/lib/dns/rdata/generic/mg_8.c
+++ b/lib/dns/rdata/generic/mg_8.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: mg_8.c,v 1.43 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: mg_8.c,v 1.45 2009-12-04 22:06:37 tbox Exp $ */
 
 /* reviewed: Wed Mar 15 17:49:21 PST 2000 by brister */
 
@@ -69,7 +69,7 @@ totext_mg(ARGS_TOTEXT) {
 
 static inline isc_result_t
 fromwire_mg(ARGS_FROMWIRE) {
-        dns_name_t name;
+	dns_name_t name;
 
 	REQUIRE(type == 8);
 
@@ -78,8 +78,8 @@ fromwire_mg(ARGS_FROMWIRE) {
 
 	dns_decompress_setmethods(dctx, DNS_COMPRESS_GLOBAL14);
 
-        dns_name_init(&name, NULL);
-        return (dns_name_fromwire(&name, source, dctx, options, target));
+	dns_name_init(&name, NULL);
+	return (dns_name_fromwire(&name, source, dctx, options, target));
 }
 
 static inline isc_result_t
@@ -227,4 +227,9 @@ checknames_mg(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_mg(ARGS_COMPARE) {
+	return (compare_mg(rdata1, rdata2));
+}
+
 #endif	/* RDATA_GENERIC_MG_8_C */
diff --git a/lib/dns/rdata/generic/minfo_14.c b/lib/dns/rdata/generic/minfo_14.c
index 6848a4e..881e624 100644
--- a/lib/dns/rdata/generic/minfo_14.c
+++ b/lib/dns/rdata/generic/minfo_14.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: minfo_14.c,v 1.45 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: minfo_14.c,v 1.47 2009-12-04 22:06:37 tbox Exp $ */
 
 /* reviewed: Wed Mar 15 17:45:32 PST 2000 by brister */
 
@@ -93,8 +93,8 @@ totext_minfo(ARGS_TOTEXT) {
 
 static inline isc_result_t
 fromwire_minfo(ARGS_FROMWIRE) {
-        dns_name_t rmail;
-        dns_name_t email;
+	dns_name_t rmail;
+	dns_name_t email;
 
 	REQUIRE(type == 14);
 
@@ -103,11 +103,11 @@ fromwire_minfo(ARGS_FROMWIRE) {
 
 	dns_decompress_setmethods(dctx, DNS_COMPRESS_GLOBAL14);
 
-        dns_name_init(&rmail, NULL);
-        dns_name_init(&email, NULL);
+	dns_name_init(&rmail, NULL);
+	dns_name_init(&email, NULL);
 
-        RETERR(dns_name_fromwire(&rmail, source, dctx, options, target));
-        return (dns_name_fromwire(&email, source, dctx, options, target));
+	RETERR(dns_name_fromwire(&rmail, source, dctx, options, target));
+	return (dns_name_fromwire(&email, source, dctx, options, target));
 }
 
 static inline isc_result_t
@@ -321,4 +321,9 @@ checknames_minfo(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_minfo(ARGS_COMPARE) {
+	return (compare_minfo(rdata1, rdata2));
+}
+
 #endif	/* RDATA_GENERIC_MINFO_14_C */
diff --git a/lib/dns/rdata/generic/mr_9.c b/lib/dns/rdata/generic/mr_9.c
index a480bd4..6c02108 100644
--- a/lib/dns/rdata/generic/mr_9.c
+++ b/lib/dns/rdata/generic/mr_9.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: mr_9.c,v 1.42 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: mr_9.c,v 1.44 2009-12-04 22:06:37 tbox Exp $ */
 
 /* Reviewed: Wed Mar 15 21:30:35 EST 2000 by tale */
 
@@ -69,7 +69,7 @@ totext_mr(ARGS_TOTEXT) {
 
 static inline isc_result_t
 fromwire_mr(ARGS_FROMWIRE) {
-        dns_name_t name;
+	dns_name_t name;
 
 	REQUIRE(type == 9);
 
@@ -78,8 +78,8 @@ fromwire_mr(ARGS_FROMWIRE) {
 
 	dns_decompress_setmethods(dctx, DNS_COMPRESS_GLOBAL14);
 
-        dns_name_init(&name, NULL);
-        return (dns_name_fromwire(&name, source, dctx, options, target));
+	dns_name_init(&name, NULL);
+	return (dns_name_fromwire(&name, source, dctx, options, target));
 }
 
 static inline isc_result_t
@@ -228,4 +228,9 @@ checknames_mr(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_mr(ARGS_COMPARE) {
+	return (compare_mr(rdata1, rdata2));
+}
+
 #endif	/* RDATA_GENERIC_MR_9_C */
diff --git a/lib/dns/rdata/generic/mx_15.c b/lib/dns/rdata/generic/mx_15.c
index b7b43f3..0d8e6cd 100644
--- a/lib/dns/rdata/generic/mx_15.c
+++ b/lib/dns/rdata/generic/mx_15.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2001, 2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: mx_15.c,v 1.56 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: mx_15.c,v 1.58 2009-12-04 22:06:37 tbox Exp $ */
 
 /* reviewed: Wed Mar 15 18:05:46 PST 2000 by brister */
 
@@ -120,7 +120,7 @@ totext_mx(ARGS_TOTEXT) {
 
 static inline isc_result_t
 fromwire_mx(ARGS_FROMWIRE) {
-        dns_name_t name;
+	dns_name_t name;
 	isc_region_t sregion;
 
 	REQUIRE(type == 15);
@@ -130,7 +130,7 @@ fromwire_mx(ARGS_FROMWIRE) {
 
 	dns_decompress_setmethods(dctx, DNS_COMPRESS_GLOBAL14);
 
-        dns_name_init(&name, NULL);
+	dns_name_init(&name, NULL);
 
 	isc_buffer_activeregion(source, &sregion);
 	if (sregion.length < 2)
@@ -316,4 +316,9 @@ checknames_mx(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_mx(ARGS_COMPARE) {
+	return (compare_mx(rdata1, rdata2));
+}
+
 #endif	/* RDATA_GENERIC_MX_15_C */
diff --git a/lib/dns/rdata/generic/ns_2.c b/lib/dns/rdata/generic/ns_2.c
index 14e0c9d..f3df004 100644
--- a/lib/dns/rdata/generic/ns_2.c
+++ b/lib/dns/rdata/generic/ns_2.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: ns_2.c,v 1.46 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: ns_2.c,v 1.48 2009-12-04 22:06:37 tbox Exp $ */
 
 /* Reviewed: Wed Mar 15 18:15:00 PST 2000 by bwelling */
 
@@ -77,7 +77,7 @@ totext_ns(ARGS_TOTEXT) {
 
 static inline isc_result_t
 fromwire_ns(ARGS_FROMWIRE) {
-        dns_name_t name;
+	dns_name_t name;
 
 	REQUIRE(type == 2);
 
@@ -86,8 +86,8 @@ fromwire_ns(ARGS_FROMWIRE) {
 
 	dns_decompress_setmethods(dctx, DNS_COMPRESS_GLOBAL14);
 
-        dns_name_init(&name, NULL);
-        return (dns_name_fromwire(&name, source, dctx, options, target));
+	dns_name_init(&name, NULL);
+	return (dns_name_fromwire(&name, source, dctx, options, target));
 }
 
 static inline isc_result_t
@@ -248,4 +248,9 @@ checknames_ns(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_ns(ARGS_COMPARE) {
+	return (compare_ns(rdata1, rdata2));
+}
+
 #endif	/* RDATA_GENERIC_NS_2_C */
diff --git a/lib/dns/rdata/generic/nsec3_50.c b/lib/dns/rdata/generic/nsec3_50.c
index 890af1a..d21b009 100644
--- a/lib/dns/rdata/generic/nsec3_50.c
+++ b/lib/dns/rdata/generic/nsec3_50.c
@@ -14,7 +14,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: nsec3_50.c,v 1.4.48.2 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: nsec3_50.c,v 1.7 2009-12-04 21:09:34 marka Exp $ */
 
 /*
  * Copyright (C) 2004  Nominet, Ltd.
@@ -478,4 +478,9 @@ checknames_nsec3(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_nsec3(ARGS_COMPARE) {
+	return (compare_nsec3(rdata1, rdata2));
+}
+
 #endif	/* RDATA_GENERIC_NSEC3_50_C */
diff --git a/lib/dns/rdata/generic/nsec3param_51.c b/lib/dns/rdata/generic/nsec3param_51.c
index 1457015..01beb3c 100644
--- a/lib/dns/rdata/generic/nsec3param_51.c
+++ b/lib/dns/rdata/generic/nsec3param_51.c
@@ -14,7 +14,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: nsec3param_51.c,v 1.4.48.2 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: nsec3param_51.c,v 1.7 2009-12-04 21:09:34 marka Exp $ */
 
 /*
  * Copyright (C) 2004  Nominet, Ltd.
@@ -311,4 +311,9 @@ checknames_nsec3param(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_nsec3param(ARGS_COMPARE) {
+	return (compare_nsec3param(rdata1, rdata2));
+}
+
 #endif	/* RDATA_GENERIC_NSEC3PARAM_51_C */
diff --git a/lib/dns/rdata/generic/nsec_47.c b/lib/dns/rdata/generic/nsec_47.c
index ace1035..5807d5f 100644
--- a/lib/dns/rdata/generic/nsec_47.c
+++ b/lib/dns/rdata/generic/nsec_47.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2007, 2008, 2011  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2007-2009, 2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: nsec_47.c,v 1.11.82.2 2011-01-13 04:48:23 tbox Exp $ */
+/* $Id: nsec_47.c,v 1.15 2011-01-13 04:59:26 tbox Exp $ */
 
 /* reviewed: Wed Mar 15 18:21:15 PST 2000 by brister */
 
@@ -361,4 +361,36 @@ checknames_nsec(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_nsec(ARGS_COMPARE) {
+	isc_region_t region1;
+	isc_region_t region2;
+	dns_name_t name1;
+	dns_name_t name2;
+	int order;
+
+	REQUIRE(rdata1->type == rdata2->type);
+	REQUIRE(rdata1->rdclass == rdata2->rdclass);
+	REQUIRE(rdata1->type == 47);
+	REQUIRE(rdata1->length != 0);
+	REQUIRE(rdata2->length != 0);
+
+	dns_name_init(&name1, NULL);
+	dns_name_init(&name2, NULL);
+
+	dns_rdata_toregion(rdata1, ®ion1);
+	dns_rdata_toregion(rdata2, ®ion2);
+
+	dns_name_fromregion(&name1, ®ion1);
+	dns_name_fromregion(&name2, ®ion2);
+
+	order = dns_name_rdatacompare(&name1, &name2);
+	if (order != 0)
+		return (order);
+
+	isc_region_consume(®ion1, name_length(&name1));
+	isc_region_consume(®ion2, name_length(&name2));
+
+	return (isc_region_compare(®ion1, ®ion2));
+}
 #endif	/* RDATA_GENERIC_NSEC_47_C */
diff --git a/lib/dns/rdata/generic/null_10.c b/lib/dns/rdata/generic/null_10.c
index 06a8877..e6d9b9a 100644
--- a/lib/dns/rdata/generic/null_10.c
+++ b/lib/dns/rdata/generic/null_10.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: null_10.c,v 1.42 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: null_10.c,v 1.44 2009-12-04 22:06:37 tbox Exp $ */
 
 /* Reviewed: Thu Mar 16 13:57:50 PST 2000 by explorer */
 
@@ -189,4 +189,9 @@ checknames_null(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_null(ARGS_COMPARE) {
+	return (compare_null(rdata1, rdata2));
+}
+
 #endif	/* RDATA_GENERIC_NULL_10_C */
diff --git a/lib/dns/rdata/generic/nxt_30.c b/lib/dns/rdata/generic/nxt_30.c
index 362e6fc..44ded55 100644
--- a/lib/dns/rdata/generic/nxt_30.c
+++ b/lib/dns/rdata/generic/nxt_30.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: nxt_30.c,v 1.63 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: nxt_30.c,v 1.65 2009-12-04 22:06:37 tbox Exp $ */
 
 /* reviewed: Wed Mar 15 18:21:15 PST 2000 by brister */
 
@@ -326,4 +326,8 @@ checknames_nxt(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_nxt(ARGS_COMPARE) {
+	return (compare_nxt(rdata1, rdata2));
+}
 #endif	/* RDATA_GENERIC_NXT_30_C */
diff --git a/lib/dns/rdata/generic/opt_41.c b/lib/dns/rdata/generic/opt_41.c
index 506f4a3..695057d 100644
--- a/lib/dns/rdata/generic/opt_41.c
+++ b/lib/dns/rdata/generic/opt_41.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: opt_41.c,v 1.33 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: opt_41.c,v 1.35 2009-12-04 22:06:37 tbox Exp $ */
 
 /* Reviewed: Thu Mar 16 14:06:44 PST 2000 by gson */
 
@@ -277,4 +277,9 @@ checknames_opt(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_opt(ARGS_COMPARE) {
+	return (compare_opt(rdata1, rdata2));
+}
+
 #endif	/* RDATA_GENERIC_OPT_41_C */
diff --git a/lib/dns/rdata/generic/proforma.c b/lib/dns/rdata/generic/proforma.c
index c3db196..0efc197 100644
--- a/lib/dns/rdata/generic/proforma.c
+++ b/lib/dns/rdata/generic/proforma.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: proforma.c,v 1.36 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: proforma.c,v 1.38 2009-12-04 22:06:37 tbox Exp $ */
 
 #ifndef RDATA_GENERIC_#_#_C
 #define RDATA_GENERIC_#_#_C
@@ -170,4 +170,21 @@ checknames_#(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_#(ARGS_COMPARE) {
+	isc_region_t r1;
+	isc_region_t r2;
+
+	REQUIRE(rdata1->type == rdata2->type);
+	REQUIRE(rdata1->rdclass == rdata2->rdclass);
+	REQUIRE(rdata1->type == #);
+	REQUIRE(rdata1->rdclass == #);
+	REQUIRE(rdata1->length != 0);	/* XXX */
+	REQUIRE(rdata2->length != 0);	/* XXX */
+
+	dns_rdata_toregion(rdata1, &r1);
+	dns_rdata_toregion(rdata2, &r2);
+	return (isc_region_compare(&r1, &r2));
+}
+
 #endif	/* RDATA_GENERIC_#_#_C */
diff --git a/lib/dns/rdata/generic/ptr_12.c b/lib/dns/rdata/generic/ptr_12.c
index 8e718cd..0ed648f 100644
--- a/lib/dns/rdata/generic/ptr_12.c
+++ b/lib/dns/rdata/generic/ptr_12.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: ptr_12.c,v 1.43 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: ptr_12.c,v 1.45 2009-12-04 22:06:37 tbox Exp $ */
 
 /* Reviewed: Thu Mar 16 14:05:12 PST 2000 by explorer */
 
@@ -79,7 +79,7 @@ totext_ptr(ARGS_TOTEXT) {
 
 static inline isc_result_t
 fromwire_ptr(ARGS_FROMWIRE) {
-        dns_name_t name;
+	dns_name_t name;
 
 	REQUIRE(type == 12);
 
@@ -88,8 +88,8 @@ fromwire_ptr(ARGS_FROMWIRE) {
 
 	dns_decompress_setmethods(dctx, DNS_COMPRESS_GLOBAL14);
 
-        dns_name_init(&name, NULL);
-        return (dns_name_fromwire(&name, source, dctx, options, target));
+	dns_name_init(&name, NULL);
+	return (dns_name_fromwire(&name, source, dctx, options, target));
 }
 
 static inline isc_result_t
@@ -288,4 +288,8 @@ checknames_ptr(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_ptr(ARGS_COMPARE) {
+	return (compare_ptr(rdata1, rdata2));
+}
 #endif	/* RDATA_GENERIC_PTR_12_C */
diff --git a/lib/dns/rdata/generic/rp_17.c b/lib/dns/rdata/generic/rp_17.c
index 19d7b35..2865e2f 100644
--- a/lib/dns/rdata/generic/rp_17.c
+++ b/lib/dns/rdata/generic/rp_17.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: rp_17.c,v 1.42 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: rp_17.c,v 1.44 2009-12-04 22:06:37 tbox Exp $ */
 
 /* RFC1183 */
 
@@ -93,8 +93,8 @@ totext_rp(ARGS_TOTEXT) {
 
 static inline isc_result_t
 fromwire_rp(ARGS_FROMWIRE) {
-        dns_name_t rmail;
-        dns_name_t email;
+	dns_name_t rmail;
+	dns_name_t email;
 
 	REQUIRE(type == 17);
 
@@ -103,11 +103,11 @@ fromwire_rp(ARGS_FROMWIRE) {
 
 	dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
 
-        dns_name_init(&rmail, NULL);
-        dns_name_init(&email, NULL);
+	dns_name_init(&rmail, NULL);
+	dns_name_init(&email, NULL);
 
-        RETERR(dns_name_fromwire(&rmail, source, dctx, options, target));
-        return (dns_name_fromwire(&email, source, dctx, options, target));
+	RETERR(dns_name_fromwire(&rmail, source, dctx, options, target));
+	return (dns_name_fromwire(&email, source, dctx, options, target));
 }
 
 static inline isc_result_t
@@ -311,4 +311,8 @@ checknames_rp(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_rp(ARGS_COMPARE) {
+	return (compare_rp(rdata1, rdata2));
+}
 #endif	/* RDATA_GENERIC_RP_17_C */
diff --git a/lib/dns/rdata/generic/rrsig_46.c b/lib/dns/rdata/generic/rrsig_46.c
index bcbb05b..1fa7d07 100644
--- a/lib/dns/rdata/generic/rrsig_46.c
+++ b/lib/dns/rdata/generic/rrsig_46.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007, 2011  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009, 2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: rrsig_46.c,v 1.10.332.2 2011-01-13 04:48:23 tbox Exp $ */
+/* $Id: rrsig_46.c,v 1.14 2011-01-13 04:59:26 tbox Exp $ */
 
 /* Reviewed: Fri Mar 17 09:05:02 PST 2000 by gson */
 
@@ -544,4 +544,47 @@ checknames_rrsig(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_rrsig(ARGS_COMPARE) {
+	isc_region_t r1;
+	isc_region_t r2;
+	dns_name_t name1;
+	dns_name_t name2;
+	int order;
+
+	REQUIRE(rdata1->type == rdata2->type);
+	REQUIRE(rdata1->rdclass == rdata2->rdclass);
+	REQUIRE(rdata1->type == 46);
+	REQUIRE(rdata1->length != 0);
+	REQUIRE(rdata2->length != 0);
+
+	dns_rdata_toregion(rdata1, &r1);
+	dns_rdata_toregion(rdata2, &r2);
+
+	INSIST(r1.length > 18);
+	INSIST(r2.length > 18);
+	r1.length = 18;
+	r2.length = 18;
+	order = isc_region_compare(&r1, &r2);
+	if (order != 0)
+		return (order);
+
+	dns_name_init(&name1, NULL);
+	dns_name_init(&name2, NULL);
+	dns_rdata_toregion(rdata1, &r1);
+	dns_rdata_toregion(rdata2, &r2);
+	isc_region_consume(&r1, 18);
+	isc_region_consume(&r2, 18);
+	dns_name_fromregion(&name1, &r1);
+	dns_name_fromregion(&name2, &r2);
+	order = dns_name_rdatacompare(&name1, &name2);
+	if (order != 0)
+		return (order);
+
+	isc_region_consume(&r1, name_length(&name1));
+	isc_region_consume(&r2, name_length(&name2));
+
+	return (isc_region_compare(&r1, &r2));
+}
+
 #endif	/* RDATA_GENERIC_RRSIG_46_C */
diff --git a/lib/dns/rdata/generic/rt_21.c b/lib/dns/rdata/generic/rt_21.c
index 48323c7..efd51e2 100644
--- a/lib/dns/rdata/generic/rt_21.c
+++ b/lib/dns/rdata/generic/rt_21.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001, 2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: rt_21.c,v 1.46 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: rt_21.c,v 1.48 2009-12-04 22:06:37 tbox Exp $ */
 
 /* reviewed: Thu Mar 16 15:02:31 PST 2000 by brister */
 
@@ -90,7 +90,7 @@ totext_rt(ARGS_TOTEXT) {
 
 static inline isc_result_t
 fromwire_rt(ARGS_FROMWIRE) {
-        dns_name_t name;
+	dns_name_t name;
 	isc_region_t sregion;
 	isc_region_t tregion;
 
@@ -101,7 +101,7 @@ fromwire_rt(ARGS_FROMWIRE) {
 
 	dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
 
-        dns_name_init(&name, NULL);
+	dns_name_init(&name, NULL);
 
 	isc_buffer_activeregion(source, &sregion);
 	isc_buffer_availableregion(target, &tregion);
@@ -308,4 +308,9 @@ checknames_rt(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_rt(ARGS_COMPARE) {
+	return (compare_rt(rdata1, rdata2));
+}
+
 #endif	/* RDATA_GENERIC_RT_21_C */
diff --git a/lib/dns/rdata/generic/sig_24.c b/lib/dns/rdata/generic/sig_24.c
index 3010b8e..6366309 100644
--- a/lib/dns/rdata/generic/sig_24.c
+++ b/lib/dns/rdata/generic/sig_24.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: sig_24.c,v 1.66 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: sig_24.c,v 1.68 2009-12-04 22:06:37 tbox Exp $ */
 
 /* Reviewed: Fri Mar 17 09:05:02 PST 2000 by gson */
 
@@ -575,4 +575,8 @@ checknames_sig(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_sig(ARGS_COMPARE) {
+	return (compare_sig(rdata1, rdata2));
+}
 #endif	/* RDATA_GENERIC_SIG_24_C */
diff --git a/lib/dns/rdata/generic/soa_6.c b/lib/dns/rdata/generic/soa_6.c
index d3fdf41..34361a8 100644
--- a/lib/dns/rdata/generic/soa_6.c
+++ b/lib/dns/rdata/generic/soa_6.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: soa_6.c,v 1.61.332.2 2009-02-16 23:47:15 tbox Exp $ */
+/* $Id: soa_6.c,v 1.64 2009-12-04 21:09:34 marka Exp $ */
 
 /* Reviewed: Thu Mar 16 15:18:32 PST 2000 by explorer */
 
@@ -441,4 +441,9 @@ checknames_soa(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_soa(ARGS_COMPARE) {
+	return (compare_soa(rdata1, rdata2));
+}
+
 #endif	/* RDATA_GENERIC_SOA_6_C */
diff --git a/lib/dns/rdata/generic/spf_99.c b/lib/dns/rdata/generic/spf_99.c
index b1ad062..0f8ba5f 100644
--- a/lib/dns/rdata/generic/spf_99.c
+++ b/lib/dns/rdata/generic/spf_99.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: spf_99.c,v 1.4 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: spf_99.c,v 1.6 2009-12-04 22:06:37 tbox Exp $ */
 
 /* Reviewed: Thu Mar 16 15:40:00 PST 2000 by bwelling */
 
@@ -235,4 +235,8 @@ checknames_spf(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_spf(ARGS_COMPARE) {
+	return (compare_spf(rdata1, rdata2));
+}
 #endif	/* RDATA_GENERIC_SPF_99_C */
diff --git a/lib/dns/rdata/generic/sshfp_44.c b/lib/dns/rdata/generic/sshfp_44.c
index 892c1ec..7b34451 100644
--- a/lib/dns/rdata/generic/sshfp_44.c
+++ b/lib/dns/rdata/generic/sshfp_44.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2006, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2006, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: sshfp_44.c,v 1.7 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: sshfp_44.c,v 1.9 2009-12-04 22:06:37 tbox Exp $ */
 
 /* RFC 4255 */
 
@@ -259,4 +259,9 @@ checknames_sshfp(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_sshfp(ARGS_COMPARE) {
+	return (compare_sshfp(rdata1, rdata2));
+}
+
 #endif	/* RDATA_GENERIC_SSHFP_44_C */
diff --git a/lib/dns/rdata/generic/tkey_249.c b/lib/dns/rdata/generic/tkey_249.c
index 6927c8d..64acc0f 100644
--- a/lib/dns/rdata/generic/tkey_249.c
+++ b/lib/dns/rdata/generic/tkey_249.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: tkey_249.c,v 1.57 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: tkey_249.c,v 1.59 2009-12-04 22:06:37 tbox Exp $ */
 
 /*
  * Reviewed: Thu Mar 16 17:35:30 PST 2000 by halley.
@@ -552,4 +552,8 @@ checknames_tkey(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline isc_result_t
+casecompare_tkey(ARGS_COMPARE) {
+	return (compare_tkey(rdata1, rdata2));
+}
 #endif	/* RDATA_GENERIC_TKEY_249_C */
diff --git a/lib/dns/rdata/generic/txt_16.c b/lib/dns/rdata/generic/txt_16.c
index fa14b86..e04e0f0 100644
--- a/lib/dns/rdata/generic/txt_16.c
+++ b/lib/dns/rdata/generic/txt_16.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2007, 2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2007-2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: txt_16.c,v 1.45 2008-02-15 23:46:51 tbox Exp $ */
+/* $Id: txt_16.c,v 1.47 2009-12-04 22:06:37 tbox Exp $ */
 
 /* Reviewed: Thu Mar 16 15:40:00 PST 2000 by bwelling */
 
@@ -235,4 +235,9 @@ checknames_txt(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline isc_result_t
+casecompare_txt(ARGS_COMPARE) {
+	return (compare_txt(rdata1, rdata2));
+}
+
 #endif	/* RDATA_GENERIC_TXT_16_C */
diff --git a/lib/dns/rdata/generic/unspec_103.c b/lib/dns/rdata/generic/unspec_103.c
index ffd14d9..0ce9a90 100644
--- a/lib/dns/rdata/generic/unspec_103.c
+++ b/lib/dns/rdata/generic/unspec_103.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: unspec_103.c,v 1.35 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: unspec_103.c,v 1.37 2009-12-04 22:06:37 tbox Exp $ */
 
 #ifndef RDATA_GENERIC_UNSPEC_103_C
 #define RDATA_GENERIC_UNSPEC_103_C
@@ -186,4 +186,9 @@ checknames_unspec(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_unspec(ARGS_COMPARE) {
+	return (compare_unspec(rdata1, rdata2));
+}
+
 #endif	/* RDATA_GENERIC_UNSPEC_103_C */
diff --git a/lib/dns/rdata/generic/x25_19.c b/lib/dns/rdata/generic/x25_19.c
index 47aeb7f..f315b89 100644
--- a/lib/dns/rdata/generic/x25_19.c
+++ b/lib/dns/rdata/generic/x25_19.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: x25_19.c,v 1.39 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: x25_19.c,v 1.41 2009-12-04 22:06:37 tbox Exp $ */
 
 /* Reviewed: Thu Mar 16 16:15:57 PST 2000 by bwelling */
 
@@ -216,4 +216,9 @@ checknames_x25(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_x25(ARGS_COMPARE) {
+	return (compare_x25(rdata1, rdata2));
+}
+
 #endif	/* RDATA_GENERIC_X25_19_C */
diff --git a/lib/dns/rdata/hs_4/a_1.c b/lib/dns/rdata/hs_4/a_1.c
index ae30719..6d02b79 100644
--- a/lib/dns/rdata/hs_4/a_1.c
+++ b/lib/dns/rdata/hs_4/a_1.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: a_1.c,v 1.31 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: a_1.c,v 1.33 2009-12-04 22:06:37 tbox Exp $ */
 
 /* reviewed: Thu Mar 16 15:58:36 PST 2000 by brister */
 
@@ -229,4 +229,9 @@ checknames_hs_a(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_hs_a(ARGS_COMPARE) {
+	return (compare_hs_a(rdata1, rdata2));
+}
+
 #endif	/* RDATA_HS_4_A_1_C */
diff --git a/lib/dns/rdata/in_1/a6_38.c b/lib/dns/rdata/in_1/a6_38.c
index 450b74c..ec453b1 100644
--- a/lib/dns/rdata/in_1/a6_38.c
+++ b/lib/dns/rdata/in_1/a6_38.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: a6_38.c,v 1.54 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: a6_38.c,v 1.56 2009-12-04 22:06:37 tbox Exp $ */
 
 /* RFC2874 */
 
@@ -458,4 +458,9 @@ checknames_in_a6(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_in_a6(ARGS_COMPARE) {
+	return (compare_in_a6(rdata1, rdata2));
+}
+
 #endif	/* RDATA_IN_1_A6_38_C */
diff --git a/lib/dns/rdata/in_1/a_1.c b/lib/dns/rdata/in_1/a_1.c
index 1181e44..b4c1e94 100644
--- a/lib/dns/rdata/in_1/a_1.c
+++ b/lib/dns/rdata/in_1/a_1.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: a_1.c,v 1.53 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: a_1.c,v 1.55 2009-12-04 22:06:37 tbox Exp $ */
 
 /* Reviewed: Thu Mar 16 16:52:50 PST 2000 by bwelling */
 
@@ -233,4 +233,9 @@ checknames_in_a(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_in_a(ARGS_COMPARE) {
+	return (compare_in_a(rdata1, rdata2));
+}
+
 #endif	/* RDATA_IN_1_A_1_C */
diff --git a/lib/dns/rdata/in_1/aaaa_28.c b/lib/dns/rdata/in_1/aaaa_28.c
index 119131c..fe3954e 100644
--- a/lib/dns/rdata/in_1/aaaa_28.c
+++ b/lib/dns/rdata/in_1/aaaa_28.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: aaaa_28.c,v 1.45 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: aaaa_28.c,v 1.47 2009-12-04 22:06:37 tbox Exp $ */
 
 /* Reviewed: Thu Mar 16 16:52:50 PST 2000 by bwelling */
 
@@ -230,4 +230,8 @@ checknames_in_aaaa(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_in_aaaa(ARGS_COMPARE) {
+	return (compare_in_aaaa(rdata1, rdata2));
+}
 #endif	/* RDATA_IN_1_AAAA_28_C */
diff --git a/lib/dns/rdata/in_1/apl_42.c b/lib/dns/rdata/in_1/apl_42.c
index 70f6880..3f37880 100644
--- a/lib/dns/rdata/in_1/apl_42.c
+++ b/lib/dns/rdata/in_1/apl_42.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007, 2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007-2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: apl_42.c,v 1.14 2008-01-22 23:28:04 tbox Exp $ */
+/* $Id: apl_42.c,v 1.16 2009-12-04 22:06:37 tbox Exp $ */
 
 /* RFC3123 */
 
@@ -450,4 +450,9 @@ checknames_in_apl(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_in_apl(ARGS_COMPARE) {
+	return (compare_in_apl(rdata1, rdata2));
+}
+
 #endif	/* RDATA_IN_1_APL_42_C */
diff --git a/lib/dns/rdata/in_1/dhcid_49.c b/lib/dns/rdata/in_1/dhcid_49.c
index 5759a76d..9eca46f 100644
--- a/lib/dns/rdata/in_1/dhcid_49.c
+++ b/lib/dns/rdata/in_1/dhcid_49.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2006, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -14,7 +14,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: dhcid_49.c,v 1.5 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: dhcid_49.c,v 1.7 2009-12-04 22:06:37 tbox Exp $ */
 
 /* RFC 4701 */
 
@@ -51,7 +51,7 @@ totext_in_dhcid(ARGS_TOTEXT) {
 	dns_rdata_toregion(rdata, &sr);
 
 	if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
-		RETERR(str_totext("( " /*)*/, target)); 
+		RETERR(str_totext("( " /*)*/, target));
 	RETERR(isc_base64_totext(&sr, tctx->width - 2, tctx->linebreak,
 				 target));
 	if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0) {
@@ -226,4 +226,9 @@ checknames_in_dhcid(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_in_dhcid(ARGS_COMPARE) {
+	return (compare_in_dhcid(rdata1, rdata2));
+}
+
 #endif	/* RDATA_IN_1_DHCID_49_C */
diff --git a/lib/dns/rdata/in_1/kx_36.c b/lib/dns/rdata/in_1/kx_36.c
index 795844d..dfc103b 100644
--- a/lib/dns/rdata/in_1/kx_36.c
+++ b/lib/dns/rdata/in_1/kx_36.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001, 2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: kx_36.c,v 1.45 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: kx_36.c,v 1.47 2009-12-04 22:06:37 tbox Exp $ */
 
 /* Reviewed: Thu Mar 16 17:24:54 PST 2000 by explorer */
 
@@ -85,7 +85,7 @@ totext_in_kx(ARGS_TOTEXT) {
 
 static inline isc_result_t
 fromwire_in_kx(ARGS_FROMWIRE) {
-        dns_name_t name;
+	dns_name_t name;
 	isc_region_t sregion;
 
 	REQUIRE(type == 36);
@@ -96,7 +96,7 @@ fromwire_in_kx(ARGS_FROMWIRE) {
 
 	dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
 
-        dns_name_init(&name, NULL);
+	dns_name_init(&name, NULL);
 
 	isc_buffer_activeregion(source, &sregion);
 	if (sregion.length < 2)
@@ -285,4 +285,9 @@ checknames_in_kx(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_in_kx(ARGS_COMPARE) {
+	return (compare_in_kx(rdata1, rdata2));
+}
+
 #endif	/* RDATA_IN_1_KX_36_C */
diff --git a/lib/dns/rdata/in_1/naptr_35.c b/lib/dns/rdata/in_1/naptr_35.c
index 51aadf7..3d09757 100644
--- a/lib/dns/rdata/in_1/naptr_35.c
+++ b/lib/dns/rdata/in_1/naptr_35.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007, 2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007-2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001, 2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: naptr_35.c,v 1.53 2008-02-15 23:46:51 tbox Exp $ */
+/* $Id: naptr_35.c,v 1.56 2009-12-04 21:09:34 marka Exp $ */
 
 /* Reviewed: Thu Mar 16 16:52:50 PST 2000 by bwelling */
 
@@ -25,12 +25,134 @@
 #define RDATA_IN_1_NAPTR_35_C
 
 #define RRTYPE_NAPTR_ATTRIBUTES (0)
+#ifdef HAVE_REGEX_H
+#include 
+#endif
+
+/*
+ * Check the wire format of the Regexp field.
+ * Don't allow embeded NUL's.
+ */
+static inline isc_result_t
+txt_valid_regex(const unsigned char *txt) {
+#ifdef HAVE_REGEX_H
+	regex_t preg;
+	unsigned int regflags = REG_EXTENDED;
+	unsigned int nsub = 0;
+	char regex[256];
+	char *cp;
+#endif
+	isc_boolean_t flags = ISC_FALSE;
+	isc_boolean_t replace = ISC_FALSE;
+	unsigned char c;
+	unsigned char delim;
+	unsigned int len;
+
+	len = *txt++;
+	if (len == 0U)
+		return (ISC_R_SUCCESS);
+
+	delim = *txt++;
+	len--;
+
+	/*
+	 * Digits, backslash and flags can't be delimiters.
+	 */
+	switch (delim) {
+	case '0': case '1': case '2': case '3': case '4':
+	case '5': case '6': case '7': case '8': case '9':
+	case '\\': case 'i': case 0:
+		return (DNS_R_SYNTAX);
+	}
+
+#ifdef HAVE_REGEX_H
+	memset(&preg, 0, sizeof(preg));
+	cp = regex;
+#endif
+
+	while (len-- > 0) {
+		c = *txt++;
+		if (c == 0)
+			return (DNS_R_SYNTAX);
+		if (c == delim && !replace) {
+			replace = ISC_TRUE;
+			continue;
+		} else if (c == delim && !flags) {
+			flags = ISC_TRUE;
+			continue;
+		} else if (c == delim)
+			return (DNS_R_SYNTAX);
+		/*
+		 * Flags are not escaped.
+		 */
+		if (flags) {
+			switch (c) {
+			case 'i':
+#ifdef HAVE_REGEX_H
+				regflags |= REG_ICASE;
+#endif
+				continue;
+			default:
+				return (DNS_R_SYNTAX);
+			}
+		}
+#ifdef HAVE_REGEX_H
+		if (!replace)
+			*cp++ = c;
+#endif
+		if (c == '\\') {
+			if (len == 0)
+				return (DNS_R_SYNTAX);
+			c = *txt++;
+			if (c == 0)
+				return (DNS_R_SYNTAX);
+			len--;
+			if (replace)
+				switch (c) {
+				case '0': return (DNS_R_SYNTAX);
+#ifdef HAVE_REGEX_H
+				case '1': if (nsub < 1) nsub = 1; break;
+				case '2': if (nsub < 2) nsub = 2; break;
+				case '3': if (nsub < 3) nsub = 3; break;
+				case '4': if (nsub < 4) nsub = 4; break;
+				case '5': if (nsub < 5) nsub = 5; break;
+				case '6': if (nsub < 6) nsub = 6; break;
+				case '7': if (nsub < 7) nsub = 7; break;
+				case '8': if (nsub < 8) nsub = 8; break;
+				case '9': if (nsub < 9) nsub = 9; break;
+#endif
+				}
+#ifdef HAVE_REGEX_H
+			if (!replace)
+				*cp++ = c;
+#endif
+		}
+	}
+	if (!flags)
+		return (DNS_R_SYNTAX);
+#ifdef HAVE_REGEX_H
+	*cp = '\0';
+	if (regcomp(&preg, regex, regflags))
+		return (DNS_R_SYNTAX);
+	/*
+	 * Check that substitutions in the replacement string are consistant
+	 * with the regular expression.
+	 */
+	if (preg.re_nsub < nsub) {
+		regfree(&preg);
+		return (DNS_R_SYNTAX);
+	}
+	regfree(&preg);
+#endif
+	return (ISC_R_SUCCESS);
+}
 
 static inline isc_result_t
 fromtext_in_naptr(ARGS_FROMTEXT) {
 	isc_token_t token;
 	dns_name_t name;
 	isc_buffer_t buffer;
+	unsigned char *regex;
 
 	REQUIRE(type == 35);
 	REQUIRE(rdclass == 1);
@@ -74,9 +196,11 @@ fromtext_in_naptr(ARGS_FROMTEXT) {
 	/*
 	 * Regexp.
 	 */
+	regex = isc_buffer_used(target);
 	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_qstring,
 				      ISC_FALSE));
 	RETTOK(txt_fromtext(&token.value.as_textregion, target));
+	RETTOK(txt_valid_regex(regex));
 
 	/*
 	 * Replacement.
@@ -156,6 +280,7 @@ static inline isc_result_t
 fromwire_in_naptr(ARGS_FROMWIRE) {
 	dns_name_t name;
 	isc_region_t sr;
+	unsigned char *regex;
 
 	REQUIRE(type == 35);
 	REQUIRE(rdclass == 1);
@@ -189,7 +314,9 @@ fromwire_in_naptr(ARGS_FROMWIRE) {
 	/*
 	 * Regexp.
 	 */
+	regex = isc_buffer_used(target);
 	RETERR(txt_fromwire(source, target));
+	RETERR(txt_valid_regex(regex));
 
 	/*
 	 * Replacement.
@@ -575,4 +702,9 @@ checknames_in_naptr(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_in_naptr(ARGS_COMPARE) {
+	return (compare_in_naptr(rdata1, rdata2));
+}
+
 #endif	/* RDATA_IN_1_NAPTR_35_C */
diff --git a/lib/dns/rdata/in_1/nsap-ptr_23.c b/lib/dns/rdata/in_1/nsap-ptr_23.c
index 615d24a..2554b07 100644
--- a/lib/dns/rdata/in_1/nsap-ptr_23.c
+++ b/lib/dns/rdata/in_1/nsap-ptr_23.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: nsap-ptr_23.c,v 1.38 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: nsap-ptr_23.c,v 1.40 2009-12-04 22:06:37 tbox Exp $ */
 
 /* Reviewed: Fri Mar 17 10:16:02 PST 2000 by gson */
 
@@ -73,7 +73,7 @@ totext_in_nsap_ptr(ARGS_TOTEXT) {
 
 static inline isc_result_t
 fromwire_in_nsap_ptr(ARGS_FROMWIRE) {
-        dns_name_t name;
+	dns_name_t name;
 
 	REQUIRE(type == 23);
 	REQUIRE(rdclass == 1);
@@ -83,8 +83,8 @@ fromwire_in_nsap_ptr(ARGS_FROMWIRE) {
 
 	dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
 
-        dns_name_init(&name, NULL);
-        return (dns_name_fromwire(&name, source, dctx, options, target));
+	dns_name_init(&name, NULL);
+	return (dns_name_fromwire(&name, source, dctx, options, target));
 }
 
 static inline isc_result_t
@@ -242,4 +242,9 @@ checknames_in_nsap_ptr(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_in_nsap_ptr(ARGS_COMPARE) {
+	return (compare_in_nsap_ptr(rdata1, rdata2));
+}
+
 #endif	/* RDATA_IN_1_NSAP_PTR_23_C */
diff --git a/lib/dns/rdata/in_1/nsap_22.c b/lib/dns/rdata/in_1/nsap_22.c
index 1aaf13f..4a56c75 100644
--- a/lib/dns/rdata/in_1/nsap_22.c
+++ b/lib/dns/rdata/in_1/nsap_22.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: nsap_22.c,v 1.42 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: nsap_22.c,v 1.44 2009-12-04 22:06:37 tbox Exp $ */
 
 /* Reviewed: Fri Mar 17 10:41:07 PST 2000 by gson */
 
@@ -252,4 +252,9 @@ checknames_in_nsap(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_in_nsap(ARGS_COMPARE) {
+	return (compare_in_nsap(rdata1, rdata2));
+}
+
 #endif	/* RDATA_IN_1_NSAP_22_C */
diff --git a/lib/dns/rdata/in_1/px_26.c b/lib/dns/rdata/in_1/px_26.c
index 517b87c..50f68cd 100644
--- a/lib/dns/rdata/in_1/px_26.c
+++ b/lib/dns/rdata/in_1/px_26.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001, 2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: px_26.c,v 1.43 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: px_26.c,v 1.45 2009-12-04 22:06:37 tbox Exp $ */
 
 /* Reviewed: Mon Mar 20 10:44:27 PST 2000 */
 
@@ -115,7 +115,7 @@ totext_in_px(ARGS_TOTEXT) {
 
 static inline isc_result_t
 fromwire_in_px(ARGS_FROMWIRE) {
-        dns_name_t name;
+	dns_name_t name;
 	isc_region_t sregion;
 
 	REQUIRE(type == 26);
@@ -126,7 +126,7 @@ fromwire_in_px(ARGS_FROMWIRE) {
 
 	dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
 
-        dns_name_init(&name, NULL);
+	dns_name_init(&name, NULL);
 
 	/*
 	 * Preference.
@@ -371,4 +371,9 @@ checknames_in_px(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_in_px(ARGS_COMPARE) {
+	return (compare_in_px(rdata1, rdata2));
+}
+
 #endif	/* RDATA_IN_1_PX_26_C */
diff --git a/lib/dns/rdata/in_1/srv_33.c b/lib/dns/rdata/in_1/srv_33.c
index ac9e577..3dfd13e 100644
--- a/lib/dns/rdata/in_1/srv_33.c
+++ b/lib/dns/rdata/in_1/srv_33.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001, 2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: srv_33.c,v 1.45 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: srv_33.c,v 1.47 2009-12-04 22:06:37 tbox Exp $ */
 
 /* Reviewed: Fri Mar 17 13:01:00 PST 2000 by bwelling */
 
@@ -140,7 +140,7 @@ totext_in_srv(ARGS_TOTEXT) {
 
 static inline isc_result_t
 fromwire_in_srv(ARGS_FROMWIRE) {
-        dns_name_t name;
+	dns_name_t name;
 	isc_region_t sr;
 
 	REQUIRE(type == 33);
@@ -151,7 +151,7 @@ fromwire_in_srv(ARGS_FROMWIRE) {
 
 	dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
 
-        dns_name_init(&name, NULL);
+	dns_name_init(&name, NULL);
 
 	/*
 	 * Priority, weight, port.
@@ -370,4 +370,9 @@ checknames_in_srv(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_in_srv(ARGS_COMPARE) {
+	return (compare_in_srv(rdata1, rdata2));
+}
+
 #endif	/* RDATA_IN_1_SRV_33_C */
diff --git a/lib/dns/rdata/in_1/wks_11.c b/lib/dns/rdata/in_1/wks_11.c
index b7d5057..29983ec 100644
--- a/lib/dns/rdata/in_1/wks_11.c
+++ b/lib/dns/rdata/in_1/wks_11.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: wks_11.c,v 1.54.332.2 2009-02-16 23:47:15 tbox Exp $ */
+/* $Id: wks_11.c,v 1.57 2009-12-04 21:09:34 marka Exp $ */
 
 /* Reviewed: Fri Mar 17 15:01:49 PST 2000 by explorer */
 
@@ -348,4 +348,9 @@ checknames_in_wks(ARGS_CHECKNAMES) {
 	return (ISC_TRUE);
 }
 
+static inline int
+casecompare_in_wks(ARGS_COMPARE) {
+	return (compare_in_wks(rdata1, rdata2));
+}
+
 #endif	/* RDATA_IN_1_WKS_11_C */
diff --git a/lib/dns/rdatalist.c b/lib/dns/rdatalist.c
index e8178a7..d30aff9 100644
--- a/lib/dns/rdatalist.c
+++ b/lib/dns/rdatalist.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: rdatalist.c,v 1.36.50.2 2010-02-25 10:56:41 tbox Exp $ */
+/* $Id: rdatalist.c,v 1.40 2010-11-16 05:38:31 marka Exp $ */
 
 /*! \file */
 
diff --git a/lib/dns/rdataset.c b/lib/dns/rdataset.c
index 672e001..fdd7669 100644
--- a/lib/dns/rdataset.c
+++ b/lib/dns/rdataset.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: rdataset.c,v 1.82.50.4.6.3 2011-06-21 20:13:23 each Exp $ */
+/* $Id: rdataset.c,v 1.86.220.3 2011-06-21 20:15:53 each Exp $ */
 
 /*! \file */
 
diff --git a/lib/dns/rdataslab.c b/lib/dns/rdataslab.c
index d1a02a0..932f8de 100644
--- a/lib/dns/rdataslab.c
+++ b/lib/dns/rdataslab.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2010  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: rdataslab.c,v 1.48.50.4 2010-02-25 10:56:41 tbox Exp $ */
+/* $Id: rdataslab.c,v 1.52.148.1.2.1 2011-06-02 23:47:35 tbox Exp $ */
 
 /*! \file */
 
@@ -144,21 +144,25 @@ dns_rdataslab_fromrdataset(dns_rdataset_t *rdataset, isc_mem_t *mctx,
 
 	nalloc = dns_rdataset_count(rdataset);
 	nitems = nalloc;
-	if (nitems == 0)
+	if (nitems == 0 && rdataset->type != 0)
 		return (ISC_R_FAILURE);
 
 	if (nalloc > 0xffff)
 		return (ISC_R_NOSPACE);
 
-	x = isc_mem_get(mctx, nalloc * sizeof(struct xrdata));
-	if (x == NULL)
-		return (ISC_R_NOMEMORY);
+
+	if (nalloc != 0) {
+		x = isc_mem_get(mctx, nalloc * sizeof(struct xrdata));
+		if (x == NULL)
+			return (ISC_R_NOMEMORY);
+	} else
+		x = NULL;
 
 	/*
 	 * Save all of the rdata members into an array.
 	 */
 	result = dns_rdataset_first(rdataset);
-	if (result != ISC_R_SUCCESS)
+	if (result != ISC_R_SUCCESS && result != ISC_R_NOMORE)
 		goto free_rdatas;
 	for (i = 0; i < nalloc && result == ISC_R_SUCCESS; i++) {
 		INSIST(result == ISC_R_SUCCESS);
@@ -223,11 +227,14 @@ dns_rdataslab_fromrdataset(dns_rdataset_t *rdataset, isc_mem_t *mctx,
 	/*
 	 * Don't forget the last item!
 	 */
+	if (nalloc != 0) {
 #if DNS_RDATASET_FIXED
-	buflen += (8 + x[i-1].rdata.length);
+		buflen += (8 + x[i-1].rdata.length);
 #else
-	buflen += (2 + x[i-1].rdata.length);
+		buflen += (2 + x[i-1].rdata.length);
 #endif
+	}
+
 	/*
 	 * Provide space to store the per RR meta data.
 	 */
@@ -316,7 +323,8 @@ dns_rdataslab_fromrdataset(dns_rdataset_t *rdataset, isc_mem_t *mctx,
 	result = ISC_R_SUCCESS;
 
  free_rdatas:
-	isc_mem_put(mctx, x, nalloc * sizeof(struct xrdata));
+	if (x != NULL)
+		isc_mem_put(mctx, x, nalloc * sizeof(struct xrdata));
 	return (result);
 }
 
diff --git a/lib/dns/request.c b/lib/dns/request.c
index c1cd235..b5d6248 100644
--- a/lib/dns/request.c
+++ b/lib/dns/request.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2010  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: request.c,v 1.82.72.2 2009-01-18 23:47:40 tbox Exp $ */
+/* $Id: request.c,v 1.87 2010-03-04 23:50:34 tbox Exp $ */
 
 /*! \file */
 
@@ -449,7 +449,8 @@ req_send(dns_request_t *request, isc_task_t *task, isc_sockaddr_t *address) {
 }
 
 static isc_result_t
-new_request(isc_mem_t *mctx, dns_request_t **requestp) {
+new_request(isc_mem_t *mctx, dns_request_t **requestp)
+{
 	dns_request_t *request;
 
 	request = isc_mem_get(mctx, sizeof(*request));
@@ -1058,6 +1059,9 @@ req_render(dns_message_t *message, isc_buffer_t **bufferp,
 		return (result);
 	cleanup_cctx = ISC_TRUE;
 
+	if ((options & DNS_REQUESTOPT_CASE) != 0)
+		dns_compress_setsensitive(&cctx, ISC_TRUE);
+
 	/*
 	 * Render message.
 	 */
diff --git a/lib/dns/resolver.c b/lib/dns/resolver.c
index f60eee9..6d9ab70 100644
--- a/lib/dns/resolver.c
+++ b/lib/dns/resolver.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: resolver.c,v 1.384.14.30.4.1 2011-06-21 20:13:23 each Exp $ */
+/* $Id: resolver.c,v 1.428.6.5.2.1 2011-06-21 20:15:53 each Exp $ */
 
 /*! \file */
 
@@ -105,6 +105,14 @@
 #define QTRACE(m)
 #endif
 
+#ifndef DEFAULT_QUERY_TIMEOUT
+#define DEFAULT_QUERY_TIMEOUT 30  /* The default time in seconds for the whole query to live. */
+#endif
+
+#ifndef MAXIMUM_QUERY_TIMEOUT
+#define MAXIMUM_QUERY_TIMEOUT 30 /* The maximum time in seconds for the whole query to live. */
+#endif
+
 /*%
  * Maximum EDNS0 input packet size.
  */
@@ -273,6 +281,8 @@ struct fetchctx {
 	unsigned int			findfail;
 	unsigned int			valfail;
 	isc_boolean_t			timeout;
+	dns_adbaddrinfo_t 		*addrinfo;
+	isc_sockaddr_t			*client;
 };
 
 #define FCTX_MAGIC			ISC_MAGIC('F', '!', '!', '!')
@@ -384,6 +394,7 @@ struct dns_resolver {
 	unsigned int			spillatmin;
 	isc_timer_t *			spillattimer;
 	isc_boolean_t			zero_no_soa_ttl;
+	unsigned int			query_timeout;
 
 	/* Locked by lock. */
 	unsigned int			references;
@@ -1035,6 +1046,7 @@ fctx_sendevents(fetchctx_t *fctx, isc_result_t result, int line) {
 		ISC_LIST_UNLINK(fctx->events, event, ev_link);
 		task = event->ev_sender;
 		event->ev_sender = fctx;
+		event->vresult = fctx->vresult;
 		if (!HAVE_ANSWER(fctx))
 			event->result = result;
 
@@ -1742,9 +1754,8 @@ resquery_send(resquery_t *query) {
 	if ((query->options & DNS_FETCHOPT_NOVALIDATE) != 0) {
 		fctx->qmessage->flags |= DNS_MESSAGEFLAG_CD;
 	} else if (res->view->enablevalidation) {
-		result = dns_keytable_issecuredomain(res->view->secroots,
-						     &fctx->name,
-						     &secure_domain);
+		result = dns_view_issecuredomain(res->view, &fctx->name,
+						 &secure_domain);
 		if (result != ISC_R_SUCCESS)
 			secure_domain = ISC_FALSE;
 		if (res->view->dlv != NULL)
@@ -2285,7 +2296,7 @@ add_bad(fetchctx_t *fctx, dns_adbaddrinfo_t *addrinfo, isc_result_t reason,
 	char code[64];
 	isc_buffer_t b;
 	isc_sockaddr_t *sa;
-	const char *sep1, *sep2;
+	const char *spc = "";
 	isc_sockaddr_t *address = &addrinfo->sockaddr;
 
 	if (reason == DNS_R_LAME)
@@ -2331,18 +2342,14 @@ add_bad(fetchctx_t *fctx, dns_adbaddrinfo_t *addrinfo, isc_result_t reason,
 		isc_buffer_init(&b, code, sizeof(code) - 1);
 		dns_rcode_totext(fctx->rmessage->rcode, &b);
 		code[isc_buffer_usedlength(&b)] = '\0';
-		sep1 = "(";
-		sep2 = ") ";
+		spc = " ";
 	} else if (reason == DNS_R_UNEXPECTEDOPCODE) {
 		isc_buffer_init(&b, code, sizeof(code) - 1);
 		dns_opcode_totext((dns_opcode_t)fctx->rmessage->opcode, &b);
 		code[isc_buffer_usedlength(&b)] = '\0';
-		sep1 = "(";
-		sep2 = ") ";
+		spc = " ";
 	} else {
 		code[0] = '\0';
-		sep1 = "";
-		sep2 = "";
 	}
 	dns_name_format(&fctx->name, namebuf, sizeof(namebuf));
 	dns_rdatatype_format(fctx->type, typebuf, sizeof(typebuf));
@@ -2350,83 +2357,19 @@ add_bad(fetchctx_t *fctx, dns_adbaddrinfo_t *addrinfo, isc_result_t reason,
 	isc_sockaddr_format(address, addrbuf, sizeof(addrbuf));
 	isc_log_write(dns_lctx, DNS_LOGCATEGORY_LAME_SERVERS,
 		      DNS_LOGMODULE_RESOLVER, ISC_LOG_INFO,
-		      "%s %s%s%sresolving '%s/%s/%s': %s",
-		      dns_result_totext(reason), sep1, code, sep2,
+		      "error (%s%s%s) resolving '%s/%s/%s': %s",
+		      dns_result_totext(reason), spc, code,
 		      namebuf, typebuf, classbuf, addrbuf);
 }
 
 /*
- * Return 'bits' bits of random entropy from fctx->rand_buf,
- * refreshing it by calling isc_random_get() whenever the requested
- * number of bits is greater than the number in the buffer.
- */
-static inline isc_uint32_t
-random_bits(fetchctx_t *fctx, isc_uint32_t bits) {
-	isc_uint32_t ret = 0;
-
-	REQUIRE(VALID_FCTX(fctx));
-	REQUIRE(bits <= 32);
-	if (bits == 0)
-		return (0);
-
-	if (bits >= fctx->rand_bits) {
-		/* if rand_bits == 0, this is unnecessary but harmless */
-		bits -= fctx->rand_bits;
-		ret = fctx->rand_buf << bits;
-
-		/* refresh random buffer now */
-		isc_random_get(&fctx->rand_buf);
-		fctx->rand_bits = sizeof(fctx->rand_buf) * CHAR_BIT;
-	}
-
-	if (bits > 0) {
-		isc_uint32_t mask = 0xffffffff;
-		if (bits < 32) {
-			mask = (1 << bits) - 1;
-		}
-
-		ret |= fctx->rand_buf & mask;
-		fctx->rand_buf >>= bits;
-		fctx->rand_bits -= bits;
-	}
-
-	return (ret);
-}
-
-/*
- * Add some random jitter to a server's RTT value so that the
- * order of queries will be unpredictable.
- *
- * RTT values of servers which have been tried are fuzzed by 128 ms.
- * Servers that haven't been tried yet have their RTT set to a random
- * value between 0 ms and 7 ms; they should get to go first, but in
- * unpredictable order.
- */
-static inline void
-randomize_srtt(fetchctx_t *fctx, dns_adbaddrinfo_t *ai) {
-	if (TRIED(ai)) {
-		ai->srtt >>= 10; /* convert to milliseconds, near enough */
-		ai->srtt |= (ai->srtt & 0x80) | random_bits(fctx, 7);
-		ai->srtt <<= 10; /* now back to microseconds */
-	} else
-		ai->srtt = random_bits(fctx, 3) << 10;
-}
-
-/*
- * Sort addrinfo list by RTT (with random jitter)
+ * Sort addrinfo list by RTT.
  */
 static void
-sort_adbfind(fetchctx_t *fctx, dns_adbfind_t *find) {
+sort_adbfind(dns_adbfind_t *find) {
 	dns_adbaddrinfo_t *best, *curr;
 	dns_adbaddrinfolist_t sorted;
 
-	/* Add jitter to SRTT values */
-	curr = ISC_LIST_HEAD(find->list);
-	while (curr != NULL) {
-		randomize_srtt(fctx, curr);
-		curr = ISC_LIST_NEXT(curr, publink);
-	}
-
 	/* Lame N^2 bubble sort. */
 	ISC_LIST_INIT(sorted);
 	while (!ISC_LIST_EMPTY(find->list)) {
@@ -2444,19 +2387,19 @@ sort_adbfind(fetchctx_t *fctx, dns_adbfind_t *find) {
 }
 
 /*
- * Sort a list of finds by server RTT (with random jitter)
+ * Sort a list of finds by server RTT.
  */
 static void
-sort_finds(fetchctx_t *fctx, dns_adbfindlist_t *findlist) {
+sort_finds(dns_adbfindlist_t *findlist) {
 	dns_adbfind_t *best, *curr;
 	dns_adbfindlist_t sorted;
 	dns_adbaddrinfo_t *addrinfo, *bestaddrinfo;
 
-	/* Sort each find's addrinfo list by SRTT (after adding jitter) */
+	/* Sort each find's addrinfo list by SRTT. */
 	for (curr = ISC_LIST_HEAD(*findlist);
 	     curr != NULL;
 	     curr = ISC_LIST_NEXT(curr, publink))
-		sort_adbfind(fctx, curr);
+		sort_adbfind(curr);
 
 	/* Lame N^2 bubble sort. */
 	ISC_LIST_INIT(sorted);
@@ -2841,8 +2784,8 @@ fctx_getaddresses(fetchctx_t *fctx, isc_boolean_t badcache) {
 		 * We've found some addresses.  We might still be looking
 		 * for more addresses.
 		 */
-		sort_finds(fctx, &fctx->finds);
-		sort_finds(fctx, &fctx->altfinds);
+		sort_finds(&fctx->finds);
+		sort_finds(&fctx->altfinds);
 		result = ISC_R_SUCCESS;
 	}
 
@@ -3471,6 +3414,7 @@ fctx_join(fetchctx_t *fctx, isc_task_t *task, isc_sockaddr_t *client,
 	else
 		ISC_LIST_APPEND(fctx->events, event, ev_link);
 	fctx->references++;
+	fctx->client = client;
 
 	fetch->magic = DNS_FETCH_MAGIC;
 	fetch->private = fctx;
@@ -3569,6 +3513,8 @@ fctx_create(dns_resolver_t *res, dns_name_t *name, dns_rdatatype_t type,
 	fctx->rand_buf = 0;
 	fctx->rand_bits = 0;
 	fctx->timeout = ISC_FALSE;
+	fctx->addrinfo = NULL;
+	fctx->client = NULL;
 
 	dns_name_init(&fctx->nsname, NULL);
 	fctx->nsfetch = NULL;
@@ -3658,7 +3604,7 @@ fctx_create(dns_resolver_t *res, dns_name_t *name, dns_rdatatype_t type,
 	/*
 	 * Compute an expiration time for the entire fetch.
 	 */
-	isc_interval_set(&interval, 30, 0);             /* XXXRTH constant */
+	isc_interval_set(&interval, res->query_timeout, 0);
 	iresult = isc_time_nowplusinterval(&fctx->expires, &interval);
 	if (iresult != ISC_R_SUCCESS) {
 		UNEXPECTED_ERROR(__FILE__, __LINE__,
@@ -3800,6 +3746,33 @@ log_lame(fetchctx_t *fctx, dns_adbaddrinfo_t *addrinfo) {
 		      namebuf, domainbuf, addrbuf);
 }
 
+static inline void
+log_formerr(fetchctx_t *fctx, const char *format, ...) {
+	char nsbuf[ISC_SOCKADDR_FORMATSIZE];
+	char clbuf[ISC_SOCKADDR_FORMATSIZE];
+	const char *clmsg = "";
+	char msgbuf[2048];
+	va_list args;
+
+	va_start(args, format);
+	vsnprintf(msgbuf, sizeof(msgbuf), format, args);
+	va_end(args);
+
+	isc_sockaddr_format(&fctx->addrinfo->sockaddr, nsbuf, sizeof(nsbuf));
+
+	if (fctx->client != NULL) {
+		clmsg = " for client ";
+		isc_sockaddr_format(fctx->client, clbuf, sizeof(clbuf));
+	} else {
+		clbuf[0] = '\0';
+	}
+
+	isc_log_write(dns_lctx, DNS_LOGCATEGORY_RESOLVER,
+		      DNS_LOGMODULE_RESOLVER, ISC_LOG_NOTICE,
+		      "DNS format error from %s resolving %s%s%s: %s",
+		      nsbuf, fctx->info, clmsg, clbuf, msgbuf);
+}
+
 static inline isc_result_t
 same_question(fetchctx_t *fctx) {
 	isc_result_t result;
@@ -3814,8 +3787,10 @@ same_question(fetchctx_t *fctx) {
 	/*
 	 * XXXRTH  Currently we support only one question.
 	 */
-	if (message->counts[DNS_SECTION_QUESTION] != 1)
+	if (message->counts[DNS_SECTION_QUESTION] != 1) {
+		log_formerr(fctx, "too many questions");
 		return (DNS_R_FORMERR);
+	}
 
 	result = dns_message_firstname(message, DNS_SECTION_QUESTION);
 	if (result != ISC_R_SUCCESS)
@@ -3825,10 +3800,21 @@ same_question(fetchctx_t *fctx) {
 	rdataset = ISC_LIST_HEAD(name->list);
 	INSIST(rdataset != NULL);
 	INSIST(ISC_LIST_NEXT(rdataset, link) == NULL);
+
 	if (fctx->type != rdataset->type ||
 	    fctx->res->rdclass != rdataset->rdclass ||
-	    !dns_name_equal(&fctx->name, name))
+	    !dns_name_equal(&fctx->name, name)) {
+		char namebuf[DNS_NAME_FORMATSIZE];
+		char class[DNS_RDATACLASS_FORMATSIZE];
+		char type[DNS_RDATATYPE_FORMATSIZE];
+
+		dns_name_format(name, namebuf, sizeof(namebuf));
+		dns_rdataclass_format(rdataset->rdclass, class, sizeof(class));
+		dns_rdatatype_format(rdataset->type, type, sizeof(type));
+		log_formerr(fctx, "question section mismatch: got %s/%s/%s",
+			    namebuf, class, type);
 		return (DNS_R_FORMERR);
+	}
 
 	return (ISC_R_SUCCESS);
 }
@@ -3958,6 +3944,7 @@ validated(isc_task_t *task, isc_event_t *event) {
 	REQUIRE(!ISC_LIST_EMPTY(fctx->validators));
 
 	vevent = (dns_validatorevent_t *)event;
+	fctx->vresult = vevent->result;
 
 	FCTXTRACE("received validation completion event");
 
@@ -4331,8 +4318,8 @@ cache_name(fetchctx_t *fctx, dns_name_t *name, dns_adbaddrinfo_t *addrinfo,
 	 * Is DNSSEC validation required for this name?
 	 */
 	if (res->view->enablevalidation) {
-		result = dns_keytable_issecuredomain(res->view->secroots, name,
-						     &secure_domain);
+		result = dns_view_issecuredomain(res->view, name,
+						 &secure_domain);
 		if (result != ISC_R_SUCCESS)
 			return (result);
 
@@ -4804,8 +4791,8 @@ ncache_message(fetchctx_t *fctx, dns_adbaddrinfo_t *addrinfo,
 	 * Is DNSSEC validation required for this name?
 	 */
 	if (fctx->res->view->enablevalidation) {
-		result = dns_keytable_issecuredomain(res->view->secroots, name,
-						     &secure_domain);
+		result = dns_view_issecuredomain(res->view, name,
+						 &secure_domain);
 		if (result != ISC_R_SUCCESS)
 			return (result);
 
@@ -4949,7 +4936,9 @@ mark_related(dns_name_t *name, dns_rdataset_t *rdataset,
 }
 
 static isc_result_t
-check_related(void *arg, dns_name_t *addname, dns_rdatatype_t type) {
+check_section(void *arg, dns_name_t *addname, dns_rdatatype_t type,
+	      dns_section_t section)
+{
 	fetchctx_t *fctx = arg;
 	isc_result_t result;
 	dns_name_t *name;
@@ -4960,15 +4949,19 @@ check_related(void *arg, dns_name_t *addname, dns_rdatatype_t type) {
 
 	REQUIRE(VALID_FCTX(fctx));
 
+#if CHECK_FOR_GLUE_IN_ANSWER
+	if (section == DNS_SECTION_ANSWER && type != dns_rdatatype_a)
+		return (ISC_R_SUCCESS);
+#endif
+
 	if (GLUING(fctx))
 		gluing = ISC_TRUE;
 	else
 		gluing = ISC_FALSE;
 	name = NULL;
 	rdataset = NULL;
-	result = dns_message_findname(fctx->rmessage, DNS_SECTION_ADDITIONAL,
-				      addname, dns_rdatatype_any, 0, &name,
-				      NULL);
+	result = dns_message_findname(fctx->rmessage, section, addname,
+				      dns_rdatatype_any, 0, &name, NULL);
 	if (result == ISC_R_SUCCESS) {
 		external = ISC_TF(!dns_name_issubdomain(name, &fctx->domain));
 		if (type == dns_rdatatype_a) {
@@ -5006,6 +4999,21 @@ check_related(void *arg, dns_name_t *addname, dns_rdatatype_t type) {
 	return (ISC_R_SUCCESS);
 }
 
+static isc_result_t
+check_related(void *arg, dns_name_t *addname, dns_rdatatype_t type) {
+	return (check_section(arg, addname, type, DNS_SECTION_ADDITIONAL));
+}
+
+#ifndef CHECK_FOR_GLUE_IN_ANSWER
+#define CHECK_FOR_GLUE_IN_ANSWER 0
+#endif
+#if CHECK_FOR_GLUE_IN_ANSWER
+static isc_result_t
+check_answer(void *arg, dns_name_t *addname, dns_rdatatype_t type) {
+	return (check_section(arg, addname, type, DNS_SECTION_ANSWER));
+}
+#endif
+
 static void
 chase_additional(fetchctx_t *fctx) {
 	isc_boolean_t rescan;
@@ -5062,8 +5070,8 @@ cname_target(dns_rdataset_t *rdataset, dns_name_t *tname) {
 }
 
 static inline isc_result_t
-dname_target(dns_rdataset_t *rdataset, dns_name_t *qname, dns_name_t *oname,
-	     dns_fixedname_t *fixeddname)
+dname_target(fetchctx_t *fctx, dns_rdataset_t *rdataset, dns_name_t *qname,
+	     dns_name_t *oname, dns_fixedname_t *fixeddname)
 {
 	isc_result_t result;
 	dns_rdata_t rdata = DNS_RDATA_INIT;
@@ -5076,7 +5084,6 @@ dname_target(dns_rdataset_t *rdataset, dns_name_t *qname, dns_name_t *oname,
 	/*
 	 * Get the target name of the DNAME.
 	 */
-
 	result = dns_rdataset_first(rdataset);
 	if (result != ISC_R_SUCCESS)
 		return (result);
@@ -5090,7 +5097,14 @@ dname_target(dns_rdataset_t *rdataset, dns_name_t *qname, dns_name_t *oname,
 	 */
 	namereln = dns_name_fullcompare(qname, oname, &order, &nlabels);
 	if (namereln != dns_namereln_subdomain) {
+		char qbuf[DNS_NAME_FORMATSIZE];
+		char obuf[DNS_NAME_FORMATSIZE];
+
 		dns_rdata_freestruct(&dname);
+		dns_name_format(qname, qbuf, sizeof(qbuf));
+		dns_name_format(oname, obuf, sizeof(obuf));
+		log_formerr(fctx, "unrelated DNAME in answer: "
+				   "%s is not in %s", qbuf, obuf);
 		return (DNS_R_FORMERR);
 	}
 	dns_fixedname_init(&prefix);
@@ -5103,16 +5117,147 @@ dname_target(dns_rdataset_t *rdataset, dns_name_t *qname, dns_name_t *oname,
 	return (result);
 }
 
+static isc_boolean_t
+is_answeraddress_allowed(dns_view_t *view, dns_name_t *name,
+			 dns_rdataset_t *rdataset)
+{
+	isc_result_t result;
+	dns_rdata_t rdata = DNS_RDATA_INIT;
+	struct in_addr ina;
+	struct in6_addr in6a;
+	isc_netaddr_t netaddr;
+	char addrbuf[ISC_NETADDR_FORMATSIZE];
+	char namebuf[DNS_NAME_FORMATSIZE];
+	char classbuf[64];
+	char typebuf[64];
+	int match;
+
+	/* By default, we allow any addresses. */
+	if (view->denyansweracl == NULL)
+		return (ISC_TRUE);
+
+	/*
+	 * If the owner name matches one in the exclusion list, either exactly
+	 * or partially, allow it.
+	 */
+	if (view->answeracl_exclude != NULL) {
+		dns_rbtnode_t *node = NULL;
+
+		result = dns_rbt_findnode(view->answeracl_exclude, name, NULL,
+					  &node, NULL, 0, NULL, NULL);
+
+		if (result == ISC_R_SUCCESS || result == DNS_R_PARTIALMATCH)
+			return (ISC_TRUE);
+	}
+
+	/*
+	 * Otherwise, search the filter list for a match for each address
+	 * record.  If a match is found, the address should be filtered,
+	 * so should the entire answer.
+	 */
+	for (result = dns_rdataset_first(rdataset);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rdataset_next(rdataset)) {
+		dns_rdata_reset(&rdata);
+		dns_rdataset_current(rdataset, &rdata);
+		if (rdataset->type == dns_rdatatype_a) {
+			INSIST(rdata.length == sizeof(ina.s_addr));
+			memcpy(&ina.s_addr, rdata.data, sizeof(ina.s_addr));
+			isc_netaddr_fromin(&netaddr, &ina);
+		} else {
+			INSIST(rdata.length == sizeof(in6a.s6_addr));
+			memcpy(in6a.s6_addr, rdata.data, sizeof(in6a.s6_addr));
+			isc_netaddr_fromin6(&netaddr, &in6a);
+		}
+
+		result = dns_acl_match(&netaddr, NULL, view->denyansweracl,
+				       &view->aclenv, &match, NULL);
+
+		if (result == ISC_R_SUCCESS && match > 0) {
+			isc_netaddr_format(&netaddr, addrbuf, sizeof(addrbuf));
+			dns_name_format(name, namebuf, sizeof(namebuf));
+			dns_rdatatype_format(rdataset->type, typebuf,
+					     sizeof(typebuf));
+			dns_rdataclass_format(rdataset->rdclass, classbuf,
+					      sizeof(classbuf));
+			isc_log_write(dns_lctx, DNS_LOGCATEGORY_RESOLVER,
+				      DNS_LOGMODULE_RESOLVER, ISC_LOG_NOTICE,
+				      "answer address %s denied for %s/%s/%s",
+				      addrbuf, namebuf, typebuf, classbuf);
+			return (ISC_FALSE);
+		}
+	}
+
+	return (ISC_TRUE);
+}
+
+static isc_boolean_t
+is_answertarget_allowed(dns_view_t *view, dns_name_t *name,
+			dns_rdatatype_t type, dns_name_t *tname,
+			dns_name_t *domain)
+{
+	isc_result_t result;
+	dns_rbtnode_t *node = NULL;
+	char qnamebuf[DNS_NAME_FORMATSIZE];
+	char tnamebuf[DNS_NAME_FORMATSIZE];
+	char classbuf[64];
+	char typebuf[64];
+
+	/* By default, we allow any target name. */
+	if (view->denyanswernames == NULL)
+		return (ISC_TRUE);
+
+	/*
+	 * If the owner name matches one in the exclusion list, either exactly
+	 * or partially, allow it.
+	 */
+	if (view->answernames_exclude != NULL) {
+		result = dns_rbt_findnode(view->answernames_exclude, name, NULL,
+					  &node, NULL, 0, NULL, NULL);
+		if (result == ISC_R_SUCCESS || result == DNS_R_PARTIALMATCH)
+			return (ISC_TRUE);
+	}
+
+	/*
+	 * If the target name is a subdomain of the search domain, allow it.
+	 */
+	if (dns_name_issubdomain(tname, domain))
+		return (ISC_TRUE);
+
+	/*
+	 * Otherwise, apply filters.
+	 */
+	result = dns_rbt_findnode(view->denyanswernames, tname, NULL, &node,
+				  NULL, 0, NULL, NULL);
+	if (result == ISC_R_SUCCESS || result == DNS_R_PARTIALMATCH) {
+		dns_name_format(name, qnamebuf, sizeof(qnamebuf));
+		dns_name_format(tname, tnamebuf, sizeof(tnamebuf));
+		dns_rdatatype_format(type, typebuf, sizeof(typebuf));
+		dns_rdataclass_format(view->rdclass, classbuf,
+				      sizeof(classbuf));
+		isc_log_write(dns_lctx, DNS_LOGCATEGORY_RESOLVER,
+			      DNS_LOGMODULE_RESOLVER, ISC_LOG_NOTICE,
+			      "%s target %s denied for %s/%s",
+			      typebuf, tnamebuf, qnamebuf, classbuf);
+		return (ISC_FALSE);
+	}
+
+	return (ISC_TRUE);
+}
+
 /*
  * Handle a no-answer response (NXDOMAIN, NXRRSET, or referral).
- * If bind8_ns_resp is ISC_TRUE, this is a suspected BIND 8
- * response to an NS query that should be treated as a referral
- * even though the NS records occur in the answer section
- * rather than the authority section.
+ * If look_in_options has LOOK_FOR_NS_IN_ANSWER then we look in the answer
+ * section for the NS RRset if the query type is NS; if it has
+ * LOOK_FOR_GLUE_IN_ANSWER we look for glue incorrectly returned in the answer
+ * section for A and AAAA queries.
  */
+#define LOOK_FOR_NS_IN_ANSWER 0x1
+#define LOOK_FOR_GLUE_IN_ANSWER 0x2
+
 static isc_result_t
 noanswer_response(fetchctx_t *fctx, dns_name_t *oqname,
-		  isc_boolean_t bind8_ns_resp)
+		  unsigned int look_in_options)
 {
 	isc_result_t result;
 	dns_message_t *message;
@@ -5120,11 +5265,16 @@ noanswer_response(fetchctx_t *fctx, dns_name_t *oqname,
 	dns_rdataset_t *rdataset, *ns_rdataset;
 	isc_boolean_t aa, negative_response;
 	dns_rdatatype_t type;
-	dns_section_t section =
-		bind8_ns_resp ? DNS_SECTION_ANSWER : DNS_SECTION_AUTHORITY;
+	dns_section_t section;
 
 	FCTXTRACE("noanswer_response");
 
+	if ((look_in_options & LOOK_FOR_NS_IN_ANSWER) != 0) {
+		INSIST(fctx->type == dns_rdatatype_ns);
+		section = DNS_SECTION_ANSWER;
+	} else
+		section = DNS_SECTION_AUTHORITY;
+
 	message = fctx->rmessage;
 
 	/*
@@ -5197,8 +5347,22 @@ noanswer_response(fetchctx_t *fctx, dns_name_t *oqname,
 					type = rdataset->covers;
 				if (((type == dns_rdatatype_ns ||
 				      type == dns_rdatatype_soa) &&
-				     !dns_name_issubdomain(qname, name)))
+				     !dns_name_issubdomain(qname, name))) {
+					char qbuf[DNS_NAME_FORMATSIZE];
+					char nbuf[DNS_NAME_FORMATSIZE];
+					char tbuf[DNS_RDATATYPE_FORMATSIZE];
+					dns_rdatatype_format(fctx->type, tbuf,
+							     sizeof(tbuf));
+					dns_name_format(name, nbuf,
+							     sizeof(nbuf));
+					dns_name_format(qname, qbuf,
+							     sizeof(qbuf));
+					log_formerr(fctx,
+						    "unrelated %s %s in "
+						    "%s authority section",
+						    tbuf, qbuf, nbuf);
 					return (DNS_R_FORMERR);
+				}
 				if (type == dns_rdatatype_ns) {
 					/*
 					 * NS or RRSIG NS.
@@ -5208,8 +5372,14 @@ noanswer_response(fetchctx_t *fctx, dns_name_t *oqname,
 					if (rdataset->type ==
 					    dns_rdatatype_ns) {
 						if (ns_name != NULL &&
-						    name != ns_name)
+						    name != ns_name) {
+							log_formerr(fctx,
+								"multiple NS "
+								"RRsets in "
+								"authority "
+								"section");
 							return (DNS_R_FORMERR);
+						}
 						ns_name = name;
 						ns_rdataset = rdataset;
 					}
@@ -5228,8 +5398,14 @@ noanswer_response(fetchctx_t *fctx, dns_name_t *oqname,
 					if (rdataset->type ==
 					    dns_rdatatype_soa) {
 						if (soa_name != NULL &&
-						    name != soa_name)
+						    name != soa_name) {
+							log_formerr(fctx,
+								"multiple SOA "
+								"RRs in "
+								"authority "
+								"section");
 							return (DNS_R_FORMERR);
+						}
 						soa_name = name;
 					}
 					name->attributes |=
@@ -5305,15 +5481,25 @@ noanswer_response(fetchctx_t *fctx, dns_name_t *oqname,
 					 *
 					 * These should only be here if
 					 * this is a referral, and there
-					 * should only be one DS.
+					 * should only be one DS RRset.
 					 */
-					if (ns_name == NULL)
+					if (ns_name == NULL) {
+						log_formerr(fctx,
+							    "DS with no "
+							    "referral");
 						return (DNS_R_FORMERR);
+					}
 					if (rdataset->type ==
 					    dns_rdatatype_ds) {
 						if (ds_name != NULL &&
-						    name != ds_name)
+						    name != ds_name) {
+							log_formerr(fctx,
+								"DS doesn't "
+								"match "
+								"referral "
+								"(NS)");
 							return (DNS_R_FORMERR);
+						}
 						ds_name = name;
 					}
 					name->attributes |=
@@ -5363,6 +5549,7 @@ noanswer_response(fetchctx_t *fctx, dns_name_t *oqname,
 			/*
 			 * The responder is insane.
 			 */
+			log_formerr(fctx, "invalid response");
 			return (DNS_R_FORMERR);
 		}
 	}
@@ -5370,8 +5557,10 @@ noanswer_response(fetchctx_t *fctx, dns_name_t *oqname,
 	/*
 	 * If we found both NS and SOA, they should be the same name.
 	 */
-	if (ns_name != NULL && soa_name != NULL && ns_name != soa_name)
+	if (ns_name != NULL && soa_name != NULL && ns_name != soa_name) {
+		log_formerr(fctx, "NS/SOA mismatch");
 		return (DNS_R_FORMERR);
+	}
 
 	/*
 	 * Do we have a referral?  (We only want to follow a referral if
@@ -5384,14 +5573,18 @@ noanswer_response(fetchctx_t *fctx, dns_name_t *oqname,
 		 * progress.  We return DNS_R_FORMERR so that we'll keep
 		 * trying other servers.
 		 */
-		if (dns_name_equal(ns_name, &fctx->domain))
+		if (dns_name_equal(ns_name, &fctx->domain)) {
+			log_formerr(fctx, "non-improving referral");
 			return (DNS_R_FORMERR);
+		}
 
 		/*
 		 * If the referral name is not a parent of the query
 		 * name, consider the responder insane.
 		 */
 		if (! dns_name_issubdomain(&fctx->name, ns_name)) {
+			/* Logged twice */
+			log_formerr(fctx, "referral to non-parent");
 			FCTXTRACE("referral to non-parent");
 			return (DNS_R_FORMERR);
 		}
@@ -5405,6 +5598,20 @@ noanswer_response(fetchctx_t *fctx, dns_name_t *oqname,
 		fctx->attributes |= FCTX_ATTR_GLUING;
 		(void)dns_rdataset_additionaldata(ns_rdataset, check_related,
 						  fctx);
+#if CHECK_FOR_GLUE_IN_ANSWER
+		/*
+		 * Look in the answer section for "glue" that is incorrectly
+		 * returned as a answer.  This is needed if the server also
+		 * minimizes the response size by not adding records to the
+		 * additional section that are in the answer section or if
+		 * the record gets dropped due to message size constraints.
+		 */
+		if ((look_in_options & LOOK_FOR_GLUE_IN_ANSWER) != 0 &&
+		    (fctx->type == dns_rdatatype_aaaa ||
+		     fctx->type == dns_rdatatype_a))
+			(void)dns_rdataset_additionaldata(ns_rdataset,
+							  check_answer, fctx);
+#endif
 		fctx->attributes &= ~FCTX_ATTR_GLUING;
 		/*
 		 * NS rdatasets with 0 TTL cause problems.
@@ -5460,6 +5667,7 @@ answer_response(fetchctx_t *fctx) {
 	unsigned int aflag;
 	dns_rdatatype_t type;
 	dns_fixedname_t dname, fqname;
+	dns_view_t *view;
 
 	FCTXTRACE("answer_response");
 
@@ -5482,6 +5690,7 @@ answer_response(fetchctx_t *fctx) {
 		aa = ISC_FALSE;
 	qname = &fctx->name;
 	type = fctx->type;
+	view = fctx->res->view;
 	result = dns_message_firstname(message, DNS_SECTION_ANSWER);
 	while (!done && result == ISC_R_SUCCESS) {
 		name = NULL;
@@ -5500,8 +5709,21 @@ answer_response(fetchctx_t *fctx) {
 					 * NSEC3 records are not allowed to
 					 * appear in the answer section.
 					 */
+					log_formerr(fctx, "NSEC3 in answer");
 					return (DNS_R_FORMERR);
 				}
+
+				/*
+				 * Apply filters, if given, on answers to reject
+				 * a malicious attempt of rebinding.
+				 */
+				if ((rdataset->type == dns_rdatatype_a ||
+				     rdataset->type == dns_rdatatype_aaaa) &&
+				    !is_answeraddress_allowed(view, name,
+							      rdataset)) {
+					return (DNS_R_SERVFAIL);
+				}
+
 				if (rdataset->type == type && !found_cname) {
 					/*
 					 * We've found an ordinary answer.
@@ -5540,8 +5762,16 @@ answer_response(fetchctx_t *fctx) {
 					 */
 					if (type == dns_rdatatype_rrsig ||
 					    type == dns_rdatatype_dnskey ||
-					    type == dns_rdatatype_nsec)
+					    type == dns_rdatatype_nsec ||
+					    type == dns_rdatatype_nsec3) {
+						char buf[DNS_RDATATYPE_FORMATSIZE];
+						dns_rdatatype_format(fctx->type,
+							      buf, sizeof(buf));
+						log_formerr(fctx,
+							    "CNAME response "
+							    "for %s RR", buf);
 						return (DNS_R_FORMERR);
+					}
 					found = ISC_TRUE;
 					found_cname = ISC_TRUE;
 					want_chaining = ISC_TRUE;
@@ -5550,6 +5780,14 @@ answer_response(fetchctx_t *fctx) {
 							      &tname);
 					if (result != ISC_R_SUCCESS)
 						return (result);
+					/* Apply filters on the target name. */
+					if (!is_answertarget_allowed(view,
+							name,
+							rdataset->type,
+							&tname,
+							&fctx->domain)) {
+						return (DNS_R_SERVFAIL);
+					}
 				} else if (rdataset->type == dns_rdatatype_rrsig
 					   && rdataset->covers ==
 					   dns_rdatatype_cname
@@ -5650,6 +5888,8 @@ answer_response(fetchctx_t *fctx) {
 			     rdataset != NULL;
 			     rdataset = ISC_LIST_NEXT(rdataset, link)) {
 				isc_boolean_t found_dname = ISC_FALSE;
+				dns_name_t *dname_name;
+
 				found = ISC_FALSE;
 				aflag = 0;
 				if (rdataset->type == dns_rdatatype_dname) {
@@ -5660,12 +5900,15 @@ answer_response(fetchctx_t *fctx) {
 					 * If we're not chaining, then the
 					 * DNAME should not be external.
 					 */
-					if (!chaining && external)
+					if (!chaining && external) {
+						log_formerr(fctx,
+							    "external DNAME");
 						return (DNS_R_FORMERR);
+					}
 					found = ISC_TRUE;
 					want_chaining = ISC_TRUE;
 					aflag = DNS_RDATASETATTR_ANSWER;
-					result = dname_target(rdataset,
+					result = dname_target(fctx, rdataset,
 							      qname, name,
 							      &dname);
 					if (result == ISC_R_NOSPACE) {
@@ -5679,6 +5922,15 @@ answer_response(fetchctx_t *fctx) {
 						return (result);
 					else
 						found_dname = ISC_TRUE;
+
+					dname_name = dns_fixedname_name(&dname);
+					if (!is_answertarget_allowed(view,
+							qname,
+							rdataset->type,
+							dname_name,
+							&fctx->domain)) {
+						return (DNS_R_SERVFAIL);
+					}
 				} else if (rdataset->type == dns_rdatatype_rrsig
 					   && rdataset->covers ==
 					   dns_rdatatype_dname) {
@@ -5766,8 +6018,10 @@ answer_response(fetchctx_t *fctx) {
 	/*
 	 * We should have found an answer.
 	 */
-	if (!have_answer)
+	if (!have_answer) {
+		log_formerr(fctx, "reply has no answer");
 		return (DNS_R_FORMERR);
+	}
 
 	/*
 	 * This response is now potentially cacheable.
@@ -5784,15 +6038,18 @@ answer_response(fetchctx_t *fctx) {
 		 * If it isn't a noanswer response, no harm will be
 		 * done.
 		 */
-		return (noanswer_response(fctx, qname, ISC_FALSE));
+		return (noanswer_response(fctx, qname, 0));
 	}
 
 	/*
 	 * We didn't end with an incomplete chain, so the rcode should be
 	 * "no error".
 	 */
-	if (message->rcode != dns_rcode_noerror)
+	if (message->rcode != dns_rcode_noerror) {
+		log_formerr(fctx, "CNAME/DNAME chain complete, but RCODE "
+				  "indicates error");
 		return (DNS_R_FORMERR);
+	}
 
 	/*
 	 * Examine the authority section (if there is one).
@@ -6129,6 +6386,39 @@ log_packet(dns_message_t *message, int level, isc_mem_t *mctx) {
 		isc_mem_put(mctx, buf, len);
 }
 
+static isc_boolean_t
+iscname(fetchctx_t *fctx) {
+	isc_result_t result;
+
+	result = dns_message_findname(fctx->rmessage, DNS_SECTION_ANSWER,
+				      &fctx->name, dns_rdatatype_cname, 0,
+				      NULL, NULL);
+	return (result == ISC_R_SUCCESS ? ISC_TRUE : ISC_FALSE);
+}
+
+static isc_boolean_t
+betterreferral(fetchctx_t *fctx) {
+	isc_result_t result;
+	dns_name_t *name;
+	dns_rdataset_t *rdataset;
+	dns_message_t *message = fctx->rmessage;
+
+	for (result = dns_message_firstname(message, DNS_SECTION_AUTHORITY);
+	     result == ISC_R_SUCCESS;
+	     result = dns_message_nextname(message, DNS_SECTION_AUTHORITY)) {
+		name = NULL;
+		dns_message_currentname(message, DNS_SECTION_AUTHORITY, &name);
+		if (!isstrictsubdomain(name, &fctx->domain))
+			continue;
+		for (rdataset = ISC_LIST_HEAD(name->list);
+		     rdataset != NULL;
+		     rdataset = ISC_LIST_NEXT(rdataset, link))
+			if (rdataset->type == dns_rdatatype_ns)
+				return (ISC_TRUE);
+	}
+	return (ISC_FALSE);
+}
+
 static void
 resquery_response(isc_task_t *task, isc_event_t *event) {
 	isc_result_t result = ISC_R_SUCCESS;
@@ -6180,6 +6470,7 @@ resquery_response(isc_task_t *task, isc_event_t *event) {
 
 	fctx->timeouts = 0;
 	fctx->timeout = ISC_FALSE;
+	fctx->addrinfo = query->addrinfo;
 
 	/*
 	 * XXXRTH  We should really get the current time just once.  We
@@ -6476,6 +6767,7 @@ resquery_response(isc_task_t *task, isc_event_t *event) {
 				 * cannot make any more progress with this
 				 * fetch.
 				 */
+				log_formerr(fctx, "server sent FORMERR");
 				result = DNS_R_FORMERR;
 			}
 		} else if (message->rcode == dns_rcode_yxdomain) {
@@ -6590,27 +6882,62 @@ resquery_response(isc_task_t *task, isc_event_t *event) {
 	    (message->rcode == dns_rcode_noerror ||
 	     message->rcode == dns_rcode_nxdomain)) {
 		/*
-		 * We've got answers.  However, if we sent
-		 * a BIND 8 server an NS query, it may have
-		 * incorrectly responded with a non-authoritative
-		 * answer instead of a referral.  Since this
-		 * answer lacks the SIGs necessary to do DNSSEC
-		 * validation, we must invoke the following special
-		 * kludge to treat it as a referral.
+		 * [normal case]
+		 * We've got answers.  If it has an authoritative answer or an
+		 * answer from a forwarder, we're done.
 		 */
-		if (fctx->type == dns_rdatatype_ns &&
-		    (message->flags & DNS_MESSAGEFLAG_AA) == 0 &&
-		    !ISFORWARDER(query->addrinfo))
-		{
-			result = noanswer_response(fctx, NULL, ISC_TRUE);
+		if ((message->flags & DNS_MESSAGEFLAG_AA) != 0 ||
+		    ISFORWARDER(query->addrinfo))
+			result = answer_response(fctx);
+		else if (iscname(fctx) &&
+			 fctx->type != dns_rdatatype_any &&
+			 fctx->type != dns_rdatatype_cname) {
+			/*
+			 * A BIND8 server could return a non-authoritative
+			 * answer when a CNAME is followed.  We should treat
+			 * it as a valid answer.
+			 */
+			result = answer_response(fctx);
+		} else if (fctx->type != dns_rdatatype_ns &&
+			   !betterreferral(fctx)) {
+			/*
+			 * Lame response !!!.
+			 */
+			result = answer_response(fctx);
+		} else {
+			if (fctx->type == dns_rdatatype_ns) {
+				/*
+				 * A BIND 8 server could incorrectly return a
+				 * non-authoritative answer to an NS query
+				 * instead of a referral. Since this answer
+				 * lacks the SIGs necessary to do DNSSEC
+				 * validation, we must invoke the following
+				 * special kludge to treat it as a referral.
+				 */
+				result = noanswer_response(fctx, NULL,
+						   LOOK_FOR_NS_IN_ANSWER);
+			} else {
+				/*
+				 * Some other servers may still somehow include
+				 * an answer when it should return a referral
+				 * with an empty answer.  Check to see if we can
+				 * treat this as a referral by ignoring the
+				 * answer.  Further more, there may be an
+				 * implementation that moves A/AAAA glue records
+				 * to the answer section for that type of
+				 * delegation when the query is for that glue
+				 * record.  LOOK_FOR_GLUE_IN_ANSWER will handle
+				 * such a corner case.
+				 */
+				result = noanswer_response(fctx, NULL,
+						   LOOK_FOR_GLUE_IN_ANSWER);
+			}
 			if (result != DNS_R_DELEGATION) {
 				/*
-				 * The answer section must have contained
-				 * something other than the NS records
-				 * we asked for.  Since AA is not set
-				 * and the server is not a forwarder,
-				 * it is technically lame and it's easier
-				 * to treat it as such than to figure out
+				 * At this point, AA is not set, the response
+				 * is not a referral, and the server is not a
+				 * forwarder.  It is technically lame and it's
+				 * easier to treat it as such than to figure out
 				 * some more elaborate course of action.
 				 */
 				broken_server = DNS_R_LAME;
@@ -6619,7 +6946,6 @@ resquery_response(isc_task_t *task, isc_event_t *event) {
 			}
 			goto force_referral;
 		}
-		result = answer_response(fctx);
 		if (result != ISC_R_SUCCESS) {
 			if (result == DNS_R_FORMERR)
 				keep_trying = ISC_TRUE;
@@ -6631,7 +6957,7 @@ resquery_response(isc_task_t *task, isc_event_t *event) {
 		/*
 		 * NXDOMAIN, NXRDATASET, or referral.
 		 */
-		result = noanswer_response(fctx, NULL, ISC_FALSE);
+		result = noanswer_response(fctx, NULL, 0);
 		if (result == DNS_R_CHASEDSSERVERS) {
 		} else if (result == DNS_R_DELEGATION) {
 		force_referral:
@@ -7043,6 +7369,7 @@ dns_resolver_create(dns_view_t *view,
 	res->spillatmax = 100;
 	res->spillattimer = NULL;
 	res->zero_no_soa_ttl = ISC_FALSE;
+	res->query_timeout = DEFAULT_QUERY_TIMEOUT;
 	res->ndisps = 0;
 	res->nextdisp = 0; /* meaningless at this point, but init it */
 	res->nbuckets = ntasks;
@@ -7194,6 +7521,7 @@ dns_resolver_create(dns_view_t *view,
 	return (result);
 }
 
+#ifdef BIND9
 static void
 prime_done(isc_task_t *task, isc_event_t *event) {
 	dns_resolver_t *res;
@@ -7299,16 +7627,15 @@ dns_resolver_prime(dns_resolver_t *res) {
 		}
 	}
 }
+#endif /* BIND9 */
 
 void
 dns_resolver_freeze(dns_resolver_t *res) {
-
 	/*
 	 * Freeze resolver.
 	 */
 
 	REQUIRE(VALID_RESOLVER(res));
-	REQUIRE(!res->frozen);
 
 	res->frozen = ISC_TRUE;
 }
@@ -8341,3 +8668,22 @@ dns_resolver_getoptions(dns_resolver_t *resolver) {
 
 	return (resolver->options);
 }
+
+unsigned int
+dns_resolver_gettimeout(dns_resolver_t *resolver) {
+	REQUIRE(VALID_RESOLVER(resolver));
+
+	return (resolver->query_timeout);
+}
+
+void
+dns_resolver_settimeout(dns_resolver_t *resolver, unsigned int seconds) {
+	REQUIRE(VALID_RESOLVER(resolver));
+
+	if (seconds == 0)
+		seconds = DEFAULT_QUERY_TIMEOUT;
+	if (seconds > MAXIMUM_QUERY_TIMEOUT)
+		seconds = MAXIMUM_QUERY_TIMEOUT;
+
+	resolver->query_timeout = seconds;
+}
diff --git a/lib/dns/result.c b/lib/dns/result.c
index 2b0457c..4cc194d 100644
--- a/lib/dns/result.c
+++ b/lib/dns/result.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007, 2008, 2010  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007-2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: result.c,v 1.125.48.2 2010-02-25 10:56:41 tbox Exp $ */
+/* $Id: result.c,v 1.132 2011-01-11 23:47:13 tbox Exp $ */
 
 /*! \file */
 
@@ -105,7 +105,7 @@ static const char *text[DNS_R_NRESULTS] = {
 	"no valid RRSIG",		       /*%< 59 DNS_R_NOVALIDSIG */
 
 	"no valid NSEC",		       /*%< 60 DNS_R_NOVALIDNSEC */
-	"not insecure",			       /*%< 61 DNS_R_NOTINSECURE */
+	"insecurity proof failed",	       /*%< 61 DNS_R_NOTINSECURE */
 	"unknown service",		       /*%< 62 DNS_R_UNKNOWNSERVICE */
 	"recoverable error occurred",	       /*%< 63 DNS_R_RECOVERABLE */
 	"unknown opt attribute record",	       /*%< 64 DNS_R_UNKNOWNOPT */
@@ -160,6 +160,7 @@ static const char *text[DNS_R_NRESULTS] = {
 
 	"not master",			       /*%< 105 DNS_R_NOTMASTER */
 	"broken trust chain",		       /*%< 106 DNS_R_BROKENCHAIN */
+	"expired",			       /*%< 106 DNS_R_EXPIRED */
 };
 
 static const char *rcode_text[DNS_R_NRCODERESULTS] = {
diff --git a/lib/dns/rootns.c b/lib/dns/rootns.c
index d51a0d6..40e2244 100644
--- a/lib/dns/rootns.c
+++ b/lib/dns/rootns.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: rootns.c,v 1.36.50.4 2010-06-18 05:37:50 marka Exp $ */
+/* $Id: rootns.c,v 1.40 2010-06-18 05:36:24 marka Exp $ */
 
 /*! \file */
 
diff --git a/lib/dns/rpz.c b/lib/dns/rpz.c
new file mode 100644
index 0000000..f809e7b
--- /dev/null
+++ b/lib/dns/rpz.c
@@ -0,0 +1,1168 @@
+/*
+ * Copyright (C) 2011  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: rpz.c,v 1.7 2011-01-17 04:27:23 marka Exp $ */
+
+/*! \file */
+
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+
+/*
+ * Parallel radix trees for databases of response policy IP addresses
+ *
+ * The radix or Patricia trees are somewhat specialized to handle response
+ * policy addresses by representing the two test of IP IP addresses and name
+ * server IP addresses in a single tree.
+ *
+ * Each leaf indicates that an IP address is listed in the IP address or the
+ * name server IP address policy sub-zone (or both) of the corresponding
+ * response response zone.  The policy data such as a CNAME or an A record
+ * is kept in the policy zone.  After an IP address has been found in a radix
+ * tree, the node in the policy zone's database is found by converting
+ * the IP address to a domain name in a canonical form.
+ *
+ * The response policy zone canonical form of IPv6 addresses is one of:
+ *	prefix.W.W.W.W.W.W.W.W
+ *	prefix.WORDS.zz
+ *	prefix.WORDS.zz.WORDS
+ *	prefix.zz.WORDS
+ *  where
+ *	prefix	is the prefix length of the IPv6 address between 1 and 128
+ *	W	is a number between 0 and 65535
+ *	WORDS	is one or more numbers W separated with "."
+ *	zz	corresponds to :: in the standard IPv6 text representation
+ *
+ * The canonical form of IPv4 addresses is:
+ *	prefix.B.B.B.B
+ *  where
+ *	prefix	is the prefix length of the address between 1 and 32
+ *	B	is a number between 0 and 255
+ *
+ * IPv4 addresses are distinguished from IPv6 addresses by having
+ * 5 labels all of which are numbers, and a prefix between 1 and 32.
+ */
+
+
+/*
+ * Use a private definition of IPv6 addresses because s6_addr32 is not
+ * always defined and our IPv6 addresses are in non-standard byte order
+ */
+typedef isc_uint32_t		dns_rpz_cidr_word_t;
+#define DNS_RPZ_CIDR_WORD_BITS	((int)sizeof(dns_rpz_cidr_word_t)*8)
+#define DNS_RPZ_CIDR_KEY_BITS	((int)sizeof(dns_rpz_cidr_key_t)*8)
+#define DNS_RPZ_CIDR_WORDS	(128/DNS_RPZ_CIDR_WORD_BITS)
+typedef struct {
+	dns_rpz_cidr_word_t	w[DNS_RPZ_CIDR_WORDS];
+} dns_rpz_cidr_key_t;
+
+#define ADDR_V4MAPPED		0xffff
+
+#define DNS_RPZ_WORD_MASK(b)				\
+	((b) == 0 ? (dns_rpz_cidr_word_t)(-1)		\
+		  : ((dns_rpz_cidr_word_t)(-1)		\
+		    << (DNS_RPZ_CIDR_WORD_BITS - (b))))
+
+#define DNS_RPZ_IP_BIT(ip, bitno) \
+	(1 & ((ip)->w[(bitno)/DNS_RPZ_CIDR_WORD_BITS] >> \
+	    (DNS_RPZ_CIDR_WORD_BITS - 1 - ((bitno) % DNS_RPZ_CIDR_WORD_BITS))))
+
+typedef struct dns_rpz_cidr_node	dns_rpz_cidr_node_t;
+typedef isc_uint8_t			dns_rpz_cidr_flags_t;
+struct dns_rpz_cidr_node {
+	dns_rpz_cidr_node_t		*parent;
+	dns_rpz_cidr_node_t		*child[2];
+	dns_rpz_cidr_key_t		ip;
+	dns_rpz_cidr_bits_t		bits;
+	dns_rpz_cidr_flags_t		flags;
+#define	DNS_RPZ_CIDR_FG_IP	 0x01	/* has IP data or is parent of IP */
+#define	DNS_RPZ_CIDR_FG_IP_DATA	 0x02	/* has IP data */
+#define	DNS_RPZ_CIDR_FG_NSIPv4	 0x04	/* has or is parent of NSIPv4 data */
+#define	DNS_RPZ_CIDR_FG_NSIPv6	 0x08	/* has or is parent of NSIPv6 data */
+#define	DNS_RPZ_CIDR_FG_NSIP_DATA 0x10	/* has NSIP data */
+};
+
+struct dns_rpz_cidr {
+	isc_mem_t		*mctx;
+	isc_boolean_t		had_nsdname;
+	dns_rpz_cidr_node_t	*root;
+	dns_name_t		ip_name;        /* RPZ_IP_ZONE.LOCALHOST. */
+	dns_name_t		nsip_name;      /* RPZ_NSIP_ZONE.LOCALHOST. */
+	dns_name_t		nsdname_name;	/* RPZ_NSDNAME_ZONE.LOCALHOST */
+};
+
+
+static isc_boolean_t		have_rpz_zones = ISC_FALSE;
+
+
+const char *
+dns_rpz_type2str(dns_rpz_type_t type)
+{
+	switch (type) {
+	case DNS_RPZ_TYPE_QNAME:
+		return ("QNAME");
+	case DNS_RPZ_TYPE_IP:
+		return ("IP");
+	case DNS_RPZ_TYPE_NSIP:
+		return ("NSIP");
+	case DNS_RPZ_TYPE_NSDNAME:
+		return ("NSDNAME");
+	case DNS_RPZ_TYPE_BAD:
+		break;
+	}
+	FATAL_ERROR(__FILE__, __LINE__,
+		    "impossible response policy zone type %d", type);
+	return ("impossible");
+}
+
+
+
+dns_rpz_policy_t
+dns_rpz_str2policy(const char *str)
+{
+	if (str == NULL)
+		return (DNS_RPZ_POLICY_ERROR);
+	if (!strcasecmp(str, "given"))
+		return (DNS_RPZ_POLICY_GIVEN);
+	if (!strcasecmp(str, "no-op"))
+		return (DNS_RPZ_POLICY_NO_OP);
+	if (!strcasecmp(str, "nxdomain"))
+		return (DNS_RPZ_POLICY_NXDOMAIN);
+	if (!strcasecmp(str, "nodata"))
+		return (DNS_RPZ_POLICY_NODATA);
+	if (!strcasecmp(str, "cname"))
+		return (DNS_RPZ_POLICY_CNAME);
+	return (DNS_RPZ_POLICY_ERROR);
+}
+
+
+
+/*
+ * Free the radix tree of a response policy database.
+ */
+void
+dns_rpz_cidr_free(dns_rpz_cidr_t **cidrp) {
+	dns_rpz_cidr_node_t *cur, *child, *parent;
+	dns_rpz_cidr_t *cidr;
+
+	REQUIRE(cidrp != NULL);
+
+	cidr = *cidrp;
+	if (cidr == NULL)
+		return;
+
+	cur = cidr->root;
+	while (cur != NULL) {
+		/* Depth first. */
+		child = cur->child[0];
+		if (child != NULL) {
+			cur = child;
+			continue;
+		}
+		child = cur->child[1];
+		if (child != NULL) {
+			cur = child;
+			continue;
+		}
+
+		/* Delete this leaf and go up. */
+		parent = cur->parent;
+		if (parent == NULL)
+			cidr->root = NULL;
+		else
+			parent->child[parent->child[1] == cur] = NULL;
+		isc_mem_put(cidr->mctx, cur, sizeof(*cur));
+		cur = parent;
+	}
+
+	dns_name_free(&cidr->ip_name, cidr->mctx);
+	dns_name_free(&cidr->nsip_name, cidr->mctx);
+	dns_name_free(&cidr->nsdname_name, cidr->mctx);
+	isc_mem_put(cidr->mctx, cidr, sizeof(*cidr));
+	*cidrp = NULL;
+}
+
+
+
+/*
+ * Forget a view's list of policy zones.
+ */
+void
+dns_rpz_view_destroy(dns_view_t *view) {
+	dns_rpz_zone_t *zone;
+
+	REQUIRE(view != NULL);
+
+	while (!ISC_LIST_EMPTY(view->rpz_zones)) {
+		zone = ISC_LIST_HEAD(view->rpz_zones);
+		ISC_LIST_UNLINK(view->rpz_zones, zone, link);
+		if (dns_name_dynamic(&zone->origin))
+			dns_name_free(&zone->origin, view->mctx);
+		if (dns_name_dynamic(&zone->nsdname))
+			dns_name_free(&zone->nsdname, view->mctx);
+		if (dns_name_dynamic(&zone->cname))
+			dns_name_free(&zone->cname, view->mctx);
+		isc_mem_put(view->mctx, zone, sizeof(*zone));
+	}
+}
+
+/*
+ * Note that we have at least one response policy zone.
+ * It would be better for something to tell the rbtdb code that the
+ * zone is in at least one view's list of policy zones.
+ */
+void
+dns_rpz_set_need(isc_boolean_t need)
+{
+	have_rpz_zones = need;
+}
+
+
+isc_boolean_t
+dns_rpz_needed(void)
+{
+	return (have_rpz_zones);
+}
+
+
+
+/*
+ * Start a new radix tree for a response policy zone.
+ */
+isc_result_t
+dns_rpz_new_cidr(isc_mem_t *mctx, dns_name_t *origin,
+		 dns_rpz_cidr_t **rbtdb_cidr)
+{
+	isc_result_t result;
+	dns_rpz_cidr_t *cidr;
+
+	REQUIRE(rbtdb_cidr != NULL && *rbtdb_cidr == NULL);
+
+	/*
+	 * Only if there is at least one response policy zone.
+	 */
+	if (!have_rpz_zones)
+		return (ISC_R_SUCCESS);
+
+	cidr = isc_mem_get(mctx, sizeof(*cidr));
+	if (cidr == NULL)
+		return (ISC_R_NOMEMORY);
+	memset(cidr, 0, sizeof(*cidr));
+	cidr->mctx = mctx;
+
+	dns_name_init(&cidr->ip_name, NULL);
+	result = dns_name_fromstring2(&cidr->ip_name, DNS_RPZ_IP_ZONE, origin,
+				      DNS_NAME_DOWNCASE, mctx);
+	if (result != ISC_R_SUCCESS) {
+		isc_mem_put(mctx, cidr, sizeof(*cidr));
+		return (result);
+	}
+
+	dns_name_init(&cidr->nsip_name, NULL);
+	result = dns_name_fromstring2(&cidr->nsip_name, DNS_RPZ_NSIP_ZONE,
+				      origin, DNS_NAME_DOWNCASE, mctx);
+	if (result != ISC_R_SUCCESS) {
+		dns_name_free(&cidr->ip_name, mctx);
+		isc_mem_put(mctx, cidr, sizeof(*cidr));
+		return (result);
+	}
+
+	dns_name_init(&cidr->nsdname_name, NULL);
+	result = dns_name_fromstring2(&cidr->nsdname_name, DNS_RPZ_NSDNAME_ZONE,
+				      origin, DNS_NAME_DOWNCASE, mctx);
+	if (result != ISC_R_SUCCESS) {
+		dns_name_free(&cidr->nsip_name, mctx);
+		dns_name_free(&cidr->ip_name, mctx);
+		isc_mem_put(mctx, cidr, sizeof(*cidr));
+		return (result);
+	}
+
+	*rbtdb_cidr = cidr;
+	return (ISC_R_SUCCESS);
+}
+
+
+/*
+ * See if a policy zone has IP, NSIP, or NSDNAME rules or records.
+ */
+void
+dns_rpz_enabled(dns_rpz_cidr_t *cidr, dns_rpz_st_t *st) {
+	if (cidr->root != NULL &&
+	    (cidr->root->flags & DNS_RPZ_CIDR_FG_IP) != 0)
+		st->state |= DNS_RPZ_HAVE_IP;
+	if (cidr->root != NULL &&
+	    (cidr->root->flags & DNS_RPZ_CIDR_FG_NSIPv4) != 0)
+		st->state |= DNS_RPZ_HAVE_NSIPv4;
+	if (cidr->root != NULL &&
+	    (cidr->root->flags & DNS_RPZ_CIDR_FG_NSIPv6) != 0)
+		st->state |= DNS_RPZ_HAVE_NSIPv6;
+	if (cidr->had_nsdname)
+		st->state |= DNS_RPZ_HAD_NSDNAME;
+}
+
+static inline dns_rpz_cidr_flags_t
+get_flags(const dns_rpz_cidr_key_t *ip, dns_rpz_cidr_bits_t prefix,
+	dns_rpz_type_t rpz_type)
+{
+	if (rpz_type == DNS_RPZ_TYPE_NSIP) {
+		if (prefix >= 96 &&
+		    ip->w[0] == 0 && ip->w[1] == 0 &&
+		    ip->w[2] == ADDR_V4MAPPED)
+			return (DNS_RPZ_CIDR_FG_NSIP_DATA |
+				DNS_RPZ_CIDR_FG_NSIPv4);
+		else
+			return (DNS_RPZ_CIDR_FG_NSIP_DATA |
+				DNS_RPZ_CIDR_FG_NSIPv6);
+	} else {
+		return (DNS_RPZ_CIDR_FG_IP | DNS_RPZ_CIDR_FG_IP_DATA);
+	}
+}
+
+
+
+/*
+ * Mark a node as having IP or NSIP data and all of its parents
+ * as members of the IP or NSIP tree.
+ */
+static void
+set_node_flags(dns_rpz_cidr_node_t *node, dns_rpz_type_t rpz_type) {
+	dns_rpz_cidr_flags_t flags;
+
+	flags = get_flags(&node->ip, node->bits, rpz_type);
+	node->flags |= flags;
+	flags &= ~(DNS_RPZ_CIDR_FG_NSIP_DATA | DNS_RPZ_CIDR_FG_IP_DATA);
+	for (;;) {
+		node = node->parent;
+		if (node == NULL)
+			return;
+		node->flags |= flags;
+	}
+}
+
+
+
+/*
+ * Make a radix tree node.
+ */
+static dns_rpz_cidr_node_t *
+new_node(dns_rpz_cidr_t *cidr, const dns_rpz_cidr_key_t *ip,
+	 dns_rpz_cidr_bits_t bits, dns_rpz_cidr_flags_t flags)
+{
+	dns_rpz_cidr_node_t *node;
+	int i, words, wlen;
+
+	node = isc_mem_get(cidr->mctx, sizeof(*node));
+	if (node == NULL)
+		return (NULL);
+	memset(node, 0, sizeof(*node));
+
+	node->flags = flags & ~(DNS_RPZ_CIDR_FG_IP_DATA |
+				DNS_RPZ_CIDR_FG_NSIP_DATA);
+
+	node->bits = bits;
+	words = bits / DNS_RPZ_CIDR_WORD_BITS;
+	wlen = bits % DNS_RPZ_CIDR_WORD_BITS;
+	i = 0;
+	while (i < words) {
+		node->ip.w[i] = ip->w[i];
+		++i;
+	}
+	if (wlen != 0) {
+		node->ip.w[i] = ip->w[i] & DNS_RPZ_WORD_MASK(wlen);
+		++i;
+	}
+	while (i < DNS_RPZ_CIDR_WORDS)
+		node->ip.w[i++] = 0;
+
+	return (node);
+}
+
+
+
+static void
+badname(int level, dns_name_t *name, const char *comment)
+{
+	char printname[DNS_NAME_FORMATSIZE];
+
+	if (isc_log_wouldlog(dns_lctx, level)) {
+		dns_name_format(name, printname, sizeof(printname));
+		isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE,
+			      DNS_LOGMODULE_RBTDB, level,
+			      "invalid response policy name \"%s\"%s",
+			      printname, comment);
+	}
+}
+
+
+
+/*
+ * Convert an IP address from radix tree binary (host byte order) to
+ * to its canonical response policy domain name and its name in the
+ * policy zone.
+ */
+static isc_result_t
+ip2name(dns_rpz_cidr_t *cidr, const dns_rpz_cidr_key_t *tgt_ip,
+	dns_rpz_cidr_bits_t tgt_prefix, dns_rpz_type_t type,
+	dns_name_t *canon_name, dns_name_t *search_name)
+{
+#ifndef INET6_ADDRSTRLEN
+#define INET6_ADDRSTRLEN 46
+#endif
+	int w[DNS_RPZ_CIDR_WORDS*2];
+	char str[1+8+1+INET6_ADDRSTRLEN+1];
+	isc_buffer_t buffer;
+	dns_name_t *name;
+	isc_result_t result;
+	isc_boolean_t zeros;
+	int i, n, len;
+
+	if (tgt_prefix > 96 &&
+	    tgt_ip->w[0] == 0 &&
+	    tgt_ip->w[1] == 0 &&
+	    tgt_ip->w[2] == ADDR_V4MAPPED) {
+		len = snprintf(str, sizeof(str), "%d.%d.%d.%d.%d",
+			       tgt_prefix - 96,
+			       tgt_ip->w[3] & 0xff,
+			       (tgt_ip->w[3]>>8) & 0xff,
+			       (tgt_ip->w[3]>>16) & 0xff,
+			       (tgt_ip->w[3]>>24) & 0xff);
+		if (len == -1 || len > (int)sizeof(str))
+			return (ISC_R_FAILURE);
+	} else {
+		for (i = 0; i < DNS_RPZ_CIDR_WORDS; i++) {
+			w[i*2+1] = ((tgt_ip->w[DNS_RPZ_CIDR_WORDS-1-i] >> 16)
+				    & 0xffff);
+			w[i*2] = tgt_ip->w[DNS_RPZ_CIDR_WORDS-1-i] & 0xffff;
+		}
+		zeros = ISC_FALSE;
+		len = snprintf(str, sizeof(str), "%d", tgt_prefix);
+		if (len == -1)
+			return (ISC_R_FAILURE);
+		i = 0;
+		while (i < DNS_RPZ_CIDR_WORDS * 2) {
+			if (w[i] != 0 || zeros
+			    || i >= DNS_RPZ_CIDR_WORDS * 2 - 1
+			    || w[i+1] != 0) {
+				INSIST((size_t)len <= sizeof(str));
+				n = snprintf(&str[len], sizeof(str) - len,
+					     ".%x", w[i++]);
+				if (n < 0)
+					return (ISC_R_FAILURE);
+				len += n;
+			} else {
+				zeros = ISC_TRUE;
+				INSIST((size_t)len <= sizeof(str));
+				n = snprintf(&str[len], sizeof(str) - len,
+					     ".zz");
+				if (n < 0)
+					return (ISC_R_FAILURE);
+				len += n;
+				i += 2;
+				while (i < DNS_RPZ_CIDR_WORDS * 2 && w[i] == 0)
+					++i;
+			}
+			if (len > (int)sizeof(str))
+				return (ISC_R_FAILURE);
+		}
+	}
+
+	if (canon_name != NULL) {
+		isc__buffer_init(&buffer, str, sizeof(str));
+		isc__buffer_add(&buffer, len);
+		result = dns_name_fromtext(canon_name, &buffer,
+					   dns_rootname, 0, NULL);
+		if (result != ISC_R_SUCCESS)
+			return (result);
+	}
+	if (search_name != NULL) {
+		isc__buffer_init(&buffer, str, sizeof(str));
+		isc__buffer_add(&buffer, len);
+		if (type == DNS_RPZ_TYPE_NSIP)
+			name = &cidr->nsip_name;
+		else
+			name = &cidr->ip_name;
+		result = dns_name_fromtext(search_name, &buffer, name, 0, NULL);
+		if (result != ISC_R_SUCCESS)
+			return (result);
+	}
+	return (ISC_R_SUCCESS);
+}
+
+
+
+/*
+ * Decide which kind of IP address response policy zone a name is in.
+ */
+static dns_rpz_type_t
+set_type(dns_rpz_cidr_t *cidr, dns_name_t *name) {
+
+	if (dns_name_issubdomain(name, &cidr->ip_name))
+		return (DNS_RPZ_TYPE_IP);
+
+	/*
+	 * Require `./configure --enable-rpz-nsip` and nsdname
+	 * until consistency problems are resolved.
+	 */
+#ifdef ENABLE_RPZ_NSIP
+	if (dns_name_issubdomain(name, &cidr->nsip_name))
+		return (DNS_RPZ_TYPE_NSIP);
+#endif
+
+#ifdef ENABLE_RPZ_NSDNAME
+	if (dns_name_issubdomain(name, &cidr->nsdname_name))
+		return (DNS_RPZ_TYPE_NSDNAME);
+#endif
+
+	return (DNS_RPZ_TYPE_QNAME);
+}
+
+
+
+/*
+ * Convert an IP address from canonical response policy domain name form
+ * to radix tree binary (host byte order).
+ */
+static isc_result_t
+name2ipkey(dns_rpz_cidr_t *cidr, int level, dns_name_t *src_name,
+	   dns_rpz_type_t type, dns_rpz_cidr_key_t *tgt_ip,
+	   dns_rpz_cidr_bits_t *tgt_prefix)
+{
+	isc_buffer_t buffer;
+	unsigned char data[DNS_NAME_MAXWIRE+1];
+	dns_fixedname_t fname;
+	dns_name_t *name;
+	const char *cp, *end;
+	char *cp2;
+	int ip_labels;
+	dns_rpz_cidr_bits_t bits;
+	unsigned long prefix, l;
+	int i;
+
+	/*
+	 * Need at least enough labels for the shortest name,
+	 * :: or 128.*.RPZ_x_ZONE.rpz.LOCALHOST.
+	 */
+	ip_labels = dns_name_countlabels(src_name);
+	ip_labels -= dns_name_countlabels(&cidr->ip_name);
+	ip_labels--;
+	if (ip_labels < 1) {
+		badname(level, src_name, ", too short");
+		return (ISC_R_FAILURE);
+	}
+
+	/*
+	 * Get text for the IP address without RPZ_x_ZONE.rpz.LOCALHOST.
+	 */
+	dns_fixedname_init(&fname);
+	name = dns_fixedname_name(&fname);
+	dns_name_split(src_name, dns_name_countlabels(&cidr->ip_name),
+		       name, NULL);
+	isc_buffer_init(&buffer, data, sizeof(data));
+	dns_name_totext(name, ISC_TRUE, &buffer);
+	isc_buffer_putuint8(&buffer, '\0');
+	cp = isc_buffer_base(&buffer);
+
+	prefix = strtoul(cp, &cp2, 10);
+	if (prefix < 1U || prefix > 128U || *cp2 != '.') {
+		badname(level, src_name, ", bad prefix length");
+		return (ISC_R_FAILURE);
+	}
+	cp = cp2+1;
+
+	end = isc_buffer_used(&buffer);
+	if (ip_labels == 4 && !strchr(cp, 'z')) {
+		/*
+		 * Convert an IPv4 address
+		 * from the form "prefix.w.z.y.x"
+		 */
+		if (prefix > 32U) {
+			badname(level, src_name, "; bad IPv4 prefix length");
+			return (ISC_R_FAILURE);
+		}
+		prefix += 96;
+		*tgt_prefix = (dns_rpz_cidr_bits_t)prefix;
+		tgt_ip->w[0] = 0;
+		tgt_ip->w[1] = 0;
+		tgt_ip->w[2] = ADDR_V4MAPPED;
+		tgt_ip->w[3] = 0;
+		for (i = 0; i < 32; i += 8) {
+			l = strtoul(cp, &cp2, 10);
+			if (l > 255U || (*cp2 != '.' && *cp2 != '\0')) {
+				badname(level, src_name, "; bad IPv4 address");
+				return (ISC_R_FAILURE);
+			}
+			tgt_ip->w[3] |= l << i;
+			cp = cp2 + 1;
+		}
+	} else {
+		/*
+		 * Convert a text IPv6 address.
+		 */
+		*tgt_prefix = (dns_rpz_cidr_bits_t)prefix;
+		for (i = 0;
+		     ip_labels > 0 && i < DNS_RPZ_CIDR_WORDS * 2;
+		     ip_labels--) {
+			if (cp[0] == 'z' && cp[1] == 'z' &&
+			    (cp[2] == '.' || cp[2] == '\0') &&
+			    i <= 6) {
+				do {
+					if ((i & 1) == 0)
+					    tgt_ip->w[3-i/2] = 0;
+					++i;
+				} while (ip_labels + i <= 8);
+				cp += 3;
+			} else {
+				l = strtoul(cp, &cp2, 16);
+				if (l > 0xffffu ||
+				    (*cp2 != '.' && *cp2 != '\0')) {
+					badname(level, src_name, "");
+					return (ISC_R_FAILURE);
+				}
+				if ((i & 1) == 0)
+					tgt_ip->w[3-i/2] = l;
+				else
+					tgt_ip->w[3-i/2] |= l << 16;
+				i++;
+				cp = cp2 + 1;
+			}
+		}
+	}
+	if (cp != end) {
+		badname(level, src_name, "");
+		return (ISC_R_FAILURE);
+	}
+
+	/*
+	 * Check for 1s after the prefix length.
+	 */
+	bits = (dns_rpz_cidr_bits_t)prefix;
+	while (bits < DNS_RPZ_CIDR_KEY_BITS) {
+		dns_rpz_cidr_word_t aword;
+
+		i = bits % DNS_RPZ_CIDR_WORD_BITS;
+		aword = tgt_ip->w[bits / DNS_RPZ_CIDR_WORD_BITS];
+		if ((aword & ~DNS_RPZ_WORD_MASK(i)) != 0) {
+			badname(level, src_name, "; wrong prefix length");
+			return (ISC_R_FAILURE);
+		}
+		bits -= i;
+		bits += DNS_RPZ_CIDR_WORD_BITS;
+	}
+
+	/*
+	 * Convert the IPv6 address back to a canonical policy domain name
+	 * to ensure that it is in canonical form.
+	 */
+	if (ISC_R_SUCCESS != ip2name(cidr, tgt_ip, (dns_rpz_cidr_bits_t)prefix,
+				     type, NULL, name) ||
+	    !dns_name_equal(src_name, name)) {
+		badname(level, src_name, "; not canonical");
+		return (ISC_R_FAILURE);
+	}
+
+	return (ISC_R_SUCCESS);
+}
+
+
+
+/*
+ * find first differing bit
+ */
+static int
+ffbit(dns_rpz_cidr_word_t w) {
+	int bit;
+
+	if (w == 0)
+		return (DNS_RPZ_CIDR_WORD_BITS);
+	for (bit = 0; (w & (1U << (DNS_RPZ_CIDR_WORD_BITS-1))) == 0; bit++)
+		w <<= 1;
+	return (bit);
+}
+
+
+
+/*
+ * find the first differing bit in two keys
+ */
+static int
+diff_keys(const dns_rpz_cidr_key_t *key1, dns_rpz_cidr_bits_t bits1,
+	  const dns_rpz_cidr_key_t *key2, dns_rpz_cidr_bits_t bits2)
+{
+	dns_rpz_cidr_word_t delta;
+	dns_rpz_cidr_bits_t maxbit, bit;
+	int i;
+
+	maxbit = ISC_MIN(bits1, bits2);
+
+	/*
+	 * find the first differing words
+	 */
+	for (i = 0, bit = 0;
+	     bit <= maxbit;
+	     i++, bit += DNS_RPZ_CIDR_WORD_BITS) {
+		delta = key1->w[i] ^ key2->w[i];
+		if (delta != 0) {
+			bit += ffbit(delta);
+			break;
+		}
+	}
+	return (ISC_MIN(bit, maxbit));
+}
+
+
+
+/*
+ * Search a radix tree for an IP address for ordinary lookup
+ *	or for a CIDR block adding or deleting an entry
+ * The tree read (for simple search) or write lock must be held by the caller.
+ *
+ * return ISC_R_SUCCESS, ISC_R_NOTFOUND, DNS_R_PARTIALMATCH, ISC_R_EXISTS,
+ *	ISC_R_NOMEMORY
+ */
+static isc_result_t
+search(dns_rpz_cidr_t *cidr, const dns_rpz_cidr_key_t *tgt_ip,
+       dns_rpz_cidr_bits_t tgt_prefix, dns_rpz_type_t type,
+       isc_boolean_t create,
+       dns_rpz_cidr_node_t **found)		/* NULL or longest match node */
+{
+	dns_rpz_cidr_node_t *cur, *parent, *child, *new_parent, *sibling;
+	int cur_num, child_num;
+	dns_rpz_cidr_bits_t dbit;
+	dns_rpz_cidr_flags_t flags, data_flag;
+	isc_result_t find_result;
+
+	flags = get_flags(tgt_ip, tgt_prefix, type);
+	data_flag = flags & (DNS_RPZ_CIDR_FG_IP_DATA |
+			     DNS_RPZ_CIDR_FG_NSIP_DATA);
+
+	find_result = ISC_R_NOTFOUND;
+	if (found != NULL)
+		*found = NULL;
+	cur = cidr->root;
+	parent = NULL;
+	cur_num = 0;
+	for (;;) {
+		if (cur == NULL) {
+			/*
+			 * No child so we cannot go down.  Fail or
+			 * add the target as a child of the current parent.
+			 */
+			if (!create)
+				return (find_result);
+			child = new_node(cidr, tgt_ip, tgt_prefix, 0);
+			if (child == NULL)
+				return (ISC_R_NOMEMORY);
+			if (parent == NULL)
+				cidr->root = child;
+			else
+				parent->child[cur_num] = child;
+			child->parent = parent;
+			set_node_flags(child, type);
+			if (found != NULL)
+				*found = cur;
+			return (ISC_R_SUCCESS);
+		}
+
+		/*
+		 * Pretend a node not in the correct tree does not exist
+		 * if we are not adding to the tree,
+		 * If we are adding, then continue down to eventually
+		 * add a node and mark/put this node in the correct tree.
+		 */
+		if ((cur->flags & flags) == 0 && !create)
+			return (find_result);
+
+		dbit = diff_keys(tgt_ip, tgt_prefix, &cur->ip, cur->bits);
+		/*
+		 * dbit <= tgt_prefix and dbit <= cur->bits always.
+		 * We are finished searching if we matched all of the target.
+		 */
+		if (dbit == tgt_prefix) {
+			if (tgt_prefix == cur->bits) {
+				/*
+				 * The current node matches the target exactly.
+				 * It is the answer if it has data.
+				 */
+				if ((cur->flags & data_flag) != 0) {
+					if (create)
+						return (ISC_R_EXISTS);
+					if (found != NULL)
+						*found = cur;
+					return (ISC_R_SUCCESS);
+				} else if (create) {
+					/*
+					 * The node had no data but does now.
+					 */
+					set_node_flags(cur, type);
+					if (found != NULL)
+						*found = cur;
+					return (ISC_R_SUCCESS);
+				}
+				return (find_result);
+			}
+
+			/*
+			 * We know tgt_prefix < cur_bits which means that
+			 * the target is shorter than the current node.
+			 * Add the target as the current node's parent.
+			 */
+			if (!create)
+				return (find_result);
+
+			new_parent = new_node(cidr, tgt_ip, tgt_prefix,
+					      cur->flags);
+			if (new_parent == NULL)
+				return (ISC_R_NOMEMORY);
+			new_parent->parent = parent;
+			if (parent == NULL)
+				cidr->root = new_parent;
+			else
+				parent->child[cur_num] = new_parent;
+			child_num = DNS_RPZ_IP_BIT(&cur->ip, tgt_prefix+1);
+			new_parent->child[child_num] = cur;
+			cur->parent = new_parent;
+			set_node_flags(new_parent, type);
+			if (found != NULL)
+				*found = new_parent;
+			return (ISC_R_SUCCESS);
+		}
+
+		if (dbit == cur->bits) {
+			/*
+			 * We have a partial match by matching of all of the
+			 * current node but only part of the target.
+			 * Try to go down.
+			 */
+			if ((cur->flags & data_flag) != 0) {
+				find_result = DNS_R_PARTIALMATCH;
+				if (found != NULL)
+					*found = cur;
+			}
+
+			parent = cur;
+			cur_num = DNS_RPZ_IP_BIT(tgt_ip, dbit);
+			cur = cur->child[cur_num];
+			continue;
+		}
+
+
+		/*
+		 * dbit < tgt_prefix and dbit < cur->bits,
+		 * so we failed to match both the target and the current node.
+		 * Insert a fork of a parent above the current node and
+		 * add the target as a sibling of the current node
+		 */
+		if (!create)
+			return (find_result);
+
+		sibling = new_node(cidr, tgt_ip, tgt_prefix, 0);
+		if (sibling == NULL)
+			return (ISC_R_NOMEMORY);
+		new_parent = new_node(cidr, tgt_ip, dbit, cur->flags);
+		if (new_parent == NULL) {
+			isc_mem_put(cidr->mctx, sibling, sizeof(*sibling));
+			return (ISC_R_NOMEMORY);
+		}
+		new_parent->parent = parent;
+		if (parent == NULL)
+			cidr->root = new_parent;
+		else
+			parent->child[cur_num] = new_parent;
+		child_num = DNS_RPZ_IP_BIT(tgt_ip, dbit);
+		new_parent->child[child_num] = sibling;
+		new_parent->child[1-child_num] = cur;
+		cur->parent = new_parent;
+		sibling->parent = new_parent;
+		set_node_flags(sibling, type);
+		if (found != NULL)
+			*found = sibling;
+		return (ISC_R_SUCCESS);
+	}
+}
+
+
+
+/*
+ * Add an IP address to the radix tree of a response policy database.
+ *	The tree write lock must be held by the caller.
+ */
+void
+dns_rpz_cidr_addip(dns_rpz_cidr_t *cidr, dns_name_t *name)
+{
+	dns_rpz_cidr_key_t tgt_ip;
+	dns_rpz_cidr_bits_t tgt_prefix;
+	dns_rpz_type_t type;
+
+	if (cidr == NULL)
+		return;
+
+	/*
+	 * no worries if the new name is not an IP address
+	 */
+	type = set_type(cidr, name);
+	switch (type) {
+	case DNS_RPZ_TYPE_IP:
+	case DNS_RPZ_TYPE_NSIP:
+		break;
+	case DNS_RPZ_TYPE_NSDNAME:
+		cidr->had_nsdname = ISC_TRUE;
+		return;
+	case DNS_RPZ_TYPE_QNAME:
+	case DNS_RPZ_TYPE_BAD:
+		return;
+	}
+	if (ISC_R_SUCCESS != name2ipkey(cidr, DNS_RPZ_ERROR_LEVEL, name,
+					type, &tgt_ip, &tgt_prefix))
+		return;
+
+	if (ISC_R_EXISTS == search(cidr, &tgt_ip, tgt_prefix, type,
+				   ISC_TRUE, NULL) &&
+	    isc_log_wouldlog(dns_lctx, DNS_RPZ_ERROR_LEVEL)) {
+		char printname[DNS_NAME_FORMATSIZE];
+
+		dns_name_format(name, printname, sizeof(printname));
+		isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE,
+			      DNS_LOGMODULE_RBTDB, DNS_RPZ_ERROR_LEVEL,
+			      "duplicate response policy name \"%s\"",
+			      printname);
+	}
+}
+
+
+
+/*
+ * Delete an IP address from the radix tree of a response policy database.
+ *	The tree write lock must be held by the caller.
+ */
+void
+dns_rpz_cidr_deleteip(dns_rpz_cidr_t *cidr, dns_name_t *name) {
+	dns_rpz_cidr_key_t tgt_ip;
+	dns_rpz_cidr_bits_t tgt_prefix;
+	dns_rpz_type_t type;
+	dns_rpz_cidr_node_t *tgt = NULL, *parent, *child;
+	dns_rpz_cidr_flags_t flags, data_flag;
+
+	if (cidr == NULL)
+		return;
+
+	/*
+	 * Decide which kind of policy zone IP address it is, if either
+	 * and then find its node.
+	 */
+	type = set_type(cidr, name);
+	switch (type) {
+	case DNS_RPZ_TYPE_IP:
+	case DNS_RPZ_TYPE_NSIP:
+		break;
+	case DNS_RPZ_TYPE_NSDNAME:
+		/*
+		 * We cannot easily count nsdnames because
+		 * internal rbt nodes get deleted.
+		 */
+		return;
+	case DNS_RPZ_TYPE_QNAME:
+	case DNS_RPZ_TYPE_BAD:
+		return;
+	}
+
+	/*
+	 * Do not get excited about the deletion of interior rbt nodes.
+	 */
+	if (ISC_R_SUCCESS != name2ipkey(cidr, DNS_RPZ_DEBUG_LEVEL2, name,
+					type, &tgt_ip, &tgt_prefix))
+		return;
+	if (ISC_R_SUCCESS != search(cidr, &tgt_ip, tgt_prefix, type,
+				    ISC_FALSE, &tgt)) {
+		if (isc_log_wouldlog(dns_lctx, DNS_RPZ_ERROR_LEVEL)) {
+			char printname[DNS_NAME_FORMATSIZE];
+
+			dns_name_format(name, printname, sizeof(printname));
+			isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE,
+				      DNS_LOGMODULE_RBTDB, DNS_RPZ_ERROR_LEVEL,
+				      "missing response policy node \"%s\"",
+				      printname);
+		}
+		return;
+	}
+
+	/*
+	 * Mark the node and its parents to reflect the deleted IP address.
+	 */
+	flags = get_flags(&tgt_ip, tgt_prefix, type);
+	data_flag = flags & (DNS_RPZ_CIDR_FG_IP_DATA |
+			      DNS_RPZ_CIDR_FG_NSIP_DATA);
+	tgt->flags &= ~data_flag;
+	for (parent = tgt; parent != NULL; parent = parent->parent) {
+		if ((parent->flags & data_flag) != 0 ||
+		    (parent->child[0] != NULL &&
+		     (parent->child[0]->flags & flags) != 0) ||
+		    (parent->child[1] != NULL &&
+		     (parent->child[1]->flags & flags) != 0))
+			break;
+		parent->flags &= ~flags;
+	}
+
+	/*
+	 * We might need to delete 2 nodes.
+	 */
+	do {
+		/*
+		 * The node is now useless if it has no data of its own
+		 * and 0 or 1 children.  We are finished if it is not useless.
+		 */
+		if ((child = tgt->child[0]) != NULL) {
+			if (tgt->child[1] != NULL)
+				return;
+		} else {
+			child = tgt->child[1];
+		}
+		if ((tgt->flags & (DNS_RPZ_CIDR_FG_IP_DATA |
+				 DNS_RPZ_CIDR_FG_NSIP_DATA)) != 0)
+			return;
+
+		/*
+		 * Replace the pointer to this node in the parent with
+		 * the remaining child or NULL.
+		 */
+		parent = tgt->parent;
+		if (parent == NULL) {
+			cidr->root = child;
+		} else {
+			parent->child[parent->child[1] == tgt] = child;
+		}
+		/*
+		 * If the child exists fix up its parent pointer.
+		 */
+		if (child != NULL)
+			child->parent = parent;
+		isc_mem_put(cidr->mctx, tgt, sizeof(*tgt));
+
+		tgt = parent;
+	} while (tgt != NULL);
+}
+
+
+
+/*
+ * Caller must hold tree lock.
+ * Return  ISC_R_NOTFOUND
+ *	or ISC_R_SUCCESS and the found entry's canonical and search names
+ *	    and its prefix length
+ */
+isc_result_t
+dns_rpz_cidr_find(dns_rpz_cidr_t *cidr, const isc_netaddr_t *netaddr,
+		  dns_rpz_type_t type, dns_name_t *canon_name,
+		  dns_name_t *search_name, dns_rpz_cidr_bits_t *prefix)
+{
+	dns_rpz_cidr_key_t tgt_ip;
+	isc_result_t result;
+	dns_rpz_cidr_node_t *found;
+	int i;
+
+	/*
+	 * Convert IP address to CIDR tree key.
+	 */
+	if (netaddr->family == AF_INET) {
+		tgt_ip.w[0] = 0;
+		tgt_ip.w[1] = 0;
+		tgt_ip.w[2] = ADDR_V4MAPPED;
+		tgt_ip.w[3] = ntohl(netaddr->type.in.s_addr);
+	} else if (netaddr->family == AF_INET6) {
+		dns_rpz_cidr_key_t src_ip6;
+
+		/*
+		 * Given the int aligned struct in_addr member of netaddr->type
+		 * one could cast netaddr->type.in6 to dns_rpz_cidr_key_t *,
+		 * but there are objections.
+		 */
+		memcpy(src_ip6.w, &netaddr->type.in6, sizeof(src_ip6.w));
+		for (i = 0; i < 4; i++) {
+			tgt_ip.w[i] = ntohl(src_ip6.w[i]);
+		}
+	} else {
+		return (ISC_R_NOTFOUND);
+	}
+
+	result = search(cidr, &tgt_ip, 128, type, ISC_FALSE, &found);
+	if (result != ISC_R_SUCCESS && result != DNS_R_PARTIALMATCH)
+		return (result);
+
+	*prefix = found->bits;
+	return (ip2name(cidr, &found->ip, found->bits, type,
+			canon_name, search_name));
+}
+
+
+
+/*
+ * Translate CNAME rdata to a QNAME response policy action.
+ */
+dns_rpz_policy_t
+dns_rpz_decode_cname(dns_rdataset_t *rdataset, dns_name_t *selfname) {
+	dns_rdata_t rdata = DNS_RDATA_INIT;
+	dns_rdata_cname_t cname;
+	isc_result_t result;
+
+	result = dns_rdataset_first(rdataset);
+	RUNTIME_CHECK(result == ISC_R_SUCCESS);
+	dns_rdataset_current(rdataset, &rdata);
+	result = dns_rdata_tostruct(&rdata, &cname, NULL);
+	RUNTIME_CHECK(result == ISC_R_SUCCESS);
+	dns_rdata_reset(&rdata);
+
+	/*
+	 * CNAME . means NXDOMAIN
+	 */
+	if (dns_name_equal(&cname.cname, dns_rootname))
+		return (DNS_RPZ_POLICY_NXDOMAIN);
+
+	/*
+	 * CNAME *. means NODATA
+	 */
+	if (dns_name_countlabels(&cname.cname) == 2
+	    && dns_name_iswildcard(&cname.cname))
+		return (DNS_RPZ_POLICY_NODATA);
+
+	/*
+	 * 128.1.0.127.rpz-ip CNAME  128.1.0.0.127. means "do not rewrite"
+	 */
+	if (selfname != NULL && dns_name_equal(&cname.cname, selfname))
+		return (DNS_RPZ_POLICY_NO_OP);
+
+	/*
+	 * evil.com CNAME garden.net rewrites www.evil.com to www.garden.net.
+	 */
+	return (DNS_RPZ_POLICY_RECORD);
+}
diff --git a/lib/dns/rriterator.c b/lib/dns/rriterator.c
new file mode 100644
index 0000000..31d67af
--- /dev/null
+++ b/lib/dns/rriterator.c
@@ -0,0 +1,202 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: rriterator.c,v 1.2 2009-06-30 02:52:32 each Exp $ */
+
+/*! \file */
+
+/***
+ *** Imports
+ ***/
+
+#include 
+
+#include 
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+/***
+ *** RRiterator methods
+ ***/
+
+isc_result_t
+dns_rriterator_init(dns_rriterator_t *it, dns_db_t *db, dns_dbversion_t *ver,
+		    isc_stdtime_t now)
+{
+	isc_result_t result;
+	it->magic = RRITERATOR_MAGIC;
+	it->db = db;
+	it->dbit = NULL;
+	it->ver = ver;
+	it->now = now;
+	it->node = NULL;
+	result = dns_db_createiterator(it->db, 0, &it->dbit);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+	it->rdatasetit = NULL;
+	dns_rdata_init(&it->rdata);
+	dns_rdataset_init(&it->rdataset);
+	dns_fixedname_init(&it->fixedname);
+	INSIST(! dns_rdataset_isassociated(&it->rdataset));
+	it->result = ISC_R_SUCCESS;
+	return (it->result);
+}
+
+isc_result_t
+dns_rriterator_first(dns_rriterator_t *it) {
+	REQUIRE(VALID_RRITERATOR(it));
+	/* Reset state */
+	if (dns_rdataset_isassociated(&it->rdataset))
+		dns_rdataset_disassociate(&it->rdataset);
+	if (it->rdatasetit != NULL)
+		dns_rdatasetiter_destroy(&it->rdatasetit);
+	if (it->node != NULL)
+		dns_db_detachnode(it->db, &it->node);
+	it->result = dns_dbiterator_first(it->dbit);
+
+	/*
+	 * The top node may be empty when out of zone glue exists.
+	 * Walk the tree to find the first node with data.
+	 */
+	while (it->result == ISC_R_SUCCESS) {
+		it->result = dns_dbiterator_current(it->dbit, &it->node,
+					   dns_fixedname_name(&it->fixedname));
+		if (it->result != ISC_R_SUCCESS)
+			return (it->result);
+
+		it->result = dns_db_allrdatasets(it->db, it->node, it->ver,
+						 it->now, &it->rdatasetit);
+		if (it->result != ISC_R_SUCCESS)
+			return (it->result);
+
+		it->result = dns_rdatasetiter_first(it->rdatasetit);
+		if (it->result != ISC_R_SUCCESS) {
+			/*
+			 * This node is empty. Try next node.
+			 */
+			dns_rdatasetiter_destroy(&it->rdatasetit);
+			dns_db_detachnode(it->db, &it->node);
+			it->result = dns_dbiterator_next(it->dbit);
+			continue;
+		}
+		dns_rdatasetiter_current(it->rdatasetit, &it->rdataset);
+		it->rdataset.attributes |= DNS_RDATASETATTR_LOADORDER;
+		it->result = dns_rdataset_first(&it->rdataset);
+		return (it->result);
+	}
+	return (it->result);
+}
+
+isc_result_t
+dns_rriterator_nextrrset(dns_rriterator_t *it) {
+	REQUIRE(VALID_RRITERATOR(it));
+	if (dns_rdataset_isassociated(&it->rdataset))
+		dns_rdataset_disassociate(&it->rdataset);
+	it->result = dns_rdatasetiter_next(it->rdatasetit);
+	/*
+	 * The while loop body is executed more than once
+	 * only when an empty dbnode needs to be skipped.
+	 */
+	while (it->result == ISC_R_NOMORE) {
+		dns_rdatasetiter_destroy(&it->rdatasetit);
+		dns_db_detachnode(it->db, &it->node);
+		it->result = dns_dbiterator_next(it->dbit);
+		if (it->result == ISC_R_NOMORE) {
+			/* We are at the end of the entire database. */
+			return (it->result);
+		}
+		if (it->result != ISC_R_SUCCESS)
+			return (it->result);
+		it->result = dns_dbiterator_current(it->dbit, &it->node,
+					   dns_fixedname_name(&it->fixedname));
+		if (it->result != ISC_R_SUCCESS)
+			return (it->result);
+		it->result = dns_db_allrdatasets(it->db, it->node, it->ver,
+						 it->now, &it->rdatasetit);
+		if (it->result != ISC_R_SUCCESS)
+			return (it->result);
+		it->result = dns_rdatasetiter_first(it->rdatasetit);
+	}
+	if (it->result != ISC_R_SUCCESS)
+		return (it->result);
+	dns_rdatasetiter_current(it->rdatasetit, &it->rdataset);
+	it->rdataset.attributes |= DNS_RDATASETATTR_LOADORDER;
+	it->result = dns_rdataset_first(&it->rdataset);
+	return (it->result);
+}
+
+isc_result_t
+dns_rriterator_next(dns_rriterator_t *it) {
+	REQUIRE(VALID_RRITERATOR(it));
+	if (it->result != ISC_R_SUCCESS)
+		return (it->result);
+
+	INSIST(it->dbit != NULL);
+	INSIST(it->node != NULL);
+	INSIST(it->rdatasetit != NULL);
+
+	it->result = dns_rdataset_next(&it->rdataset);
+	if (it->result == ISC_R_NOMORE)
+		return (dns_rriterator_nextrrset(it));
+	return (it->result);
+}
+
+void
+dns_rriterator_pause(dns_rriterator_t *it) {
+	REQUIRE(VALID_RRITERATOR(it));
+	RUNTIME_CHECK(dns_dbiterator_pause(it->dbit) == ISC_R_SUCCESS);
+}
+
+void
+dns_rriterator_destroy(dns_rriterator_t *it) {
+	REQUIRE(VALID_RRITERATOR(it));
+	if (dns_rdataset_isassociated(&it->rdataset))
+		dns_rdataset_disassociate(&it->rdataset);
+	if (it->rdatasetit != NULL)
+		dns_rdatasetiter_destroy(&it->rdatasetit);
+	if (it->node != NULL)
+		dns_db_detachnode(it->db, &it->node);
+	dns_dbiterator_destroy(&it->dbit);
+}
+
+void
+dns_rriterator_current(dns_rriterator_t *it, dns_name_t **name,
+		       isc_uint32_t *ttl, dns_rdataset_t **rdataset,
+		       dns_rdata_t **rdata)
+{
+	REQUIRE(name != NULL && *name == NULL);
+	REQUIRE(VALID_RRITERATOR(it));
+	REQUIRE(it->result == ISC_R_SUCCESS);
+
+	*name = dns_fixedname_name(&it->fixedname);
+	*ttl = it->rdataset.ttl;
+
+	dns_rdata_reset(&it->rdata);
+	dns_rdataset_current(&it->rdataset, &it->rdata);
+
+	if (rdataset)
+		*rdataset = &it->rdataset;
+
+	if (rdata)
+		*rdata = &it->rdata;
+}
diff --git a/lib/dns/sdb.c b/lib/dns/sdb.c
index 49c6430..d27007d 100644
--- a/lib/dns/sdb.c
+++ b/lib/dns/sdb.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2010  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001, 2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: sdb.c,v 1.66.48.6 2010-08-16 05:21:42 marka Exp $ */
+/* $Id: sdb.c,v 1.76 2011-01-13 04:59:25 tbox Exp $ */
 
 /*! \file */
 
@@ -450,7 +450,7 @@ getnode(dns_sdballnodes_t *allnodes, const char *name, dns_sdbnode_t **nodep) {
 	isc_buffer_init(&b, name, strlen(name));
 	isc_buffer_add(&b, strlen(name));
 
-	result = dns_name_fromtext(newname, &b, origin, ISC_FALSE, NULL);
+	result = dns_name_fromtext(newname, &b, origin, 0, NULL);
 	if (result != ISC_R_SUCCESS)
 		return (result);
 
@@ -1253,6 +1253,8 @@ static dns_dbmethods_t sdb_methods = {
 	NULL,
 	NULL,
 	NULL,
+	NULL,
+	NULL,
 	NULL
 };
 
diff --git a/lib/dns/sdlz.c b/lib/dns/sdlz.c
index 6be315a..e684e1d 100644
--- a/lib/dns/sdlz.c
+++ b/lib/dns/sdlz.c
@@ -1,5 +1,5 @@
 /*
- * Portions Copyright (C) 2005-2010  Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (C) 2005-2011  Internet Systems Consortium, Inc. ("ISC")
  * Portions Copyright (C) 1999-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -50,7 +50,7 @@
  * USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: sdlz.c,v 1.18.50.6 2010-08-16 05:21:42 marka Exp $ */
+/* $Id: sdlz.c,v 1.31 2011-01-13 06:29:16 marka Exp $ */
 
 /*! \file */
 
@@ -108,6 +108,8 @@ struct dns_sdlz_db {
 	isc_mutex_t			refcnt_lock;
 	/* Locked */
 	unsigned int			references;
+	dns_dbversion_t			*future_version;
+	int				dummy_version;
 };
 
 struct dns_sdlzlookup {
@@ -164,8 +166,6 @@ typedef struct sdlz_rdatasetiter {
 /* This is a reasonable value */
 #define SDLZ_DEFAULT_TTL	(60 * 60 * 24)
 
-static int dummy;
-
 #ifdef __COVERITY__
 #define MAYBE_LOCK(imp) LOCK(&imp->driverlock)
 #define MAYBE_UNLOCK(imp) UNLOCK(&imp->driverlock)
@@ -225,11 +225,22 @@ static dns_dbiteratormethods_t dbiterator_methods = {
  * Utility functions
  */
 
-/*% Converts the input string to lowercase, in place. */
+/*
+ * Log a message at the given level
+ */
+static void
+sdlz_log(int level, const char *fmt, ...) {
+	va_list ap;
+	va_start(ap, fmt);
+	isc_log_vwrite(dns_lctx, DNS_LOGCATEGORY_DATABASE,
+		       DNS_LOGMODULE_DLZ, ISC_LOG_DEBUG(level),
+		       fmt, ap);
+	va_end(ap);
+}
 
+/*% Converts the input string to lowercase, in place. */
 static void
 dns_sdlz_tolower(char *str) {
-
 	unsigned int len = strlen(str);
 	unsigned int i;
 
@@ -237,7 +248,6 @@ dns_sdlz_tolower(char *str) {
 		if (str[i] >= 'A' && str[i] <= 'Z')
 			str[i] += 32;
 	}
-
 }
 
 static inline unsigned int
@@ -381,43 +391,79 @@ dump(dns_db_t *db, dns_dbversion_t *version, const char *filename,
 
 static void
 currentversion(dns_db_t *db, dns_dbversion_t **versionp) {
+	dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db;
+	REQUIRE(VALID_SDLZDB(sdlz));
 	REQUIRE(versionp != NULL && *versionp == NULL);
 
-	UNUSED(db);
-
-	*versionp = (void *) &dummy;
+	*versionp = (void *) &sdlz->dummy_version;
 	return;
 }
 
 static isc_result_t
 newversion(dns_db_t *db, dns_dbversion_t **versionp) {
-	UNUSED(db);
-	UNUSED(versionp);
+	dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db;
+	char origin[DNS_NAME_MAXTEXT + 1];
+	isc_result_t result;
 
-	return (ISC_R_NOTIMPLEMENTED);
+	REQUIRE(VALID_SDLZDB(sdlz));
+
+	if (sdlz->dlzimp->methods->newversion == NULL)
+		return (ISC_R_NOTIMPLEMENTED);
+
+	dns_name_format(&sdlz->common.origin, origin, sizeof(origin));
+
+	result = sdlz->dlzimp->methods->newversion(origin,
+						   sdlz->dlzimp->driverarg,
+						   sdlz->dbdata, versionp);
+	if (result != ISC_R_SUCCESS) {
+		sdlz_log(ISC_LOG_ERROR,
+			 "sdlz newversion on origin %s failed : %s",
+			 origin, isc_result_totext(result));
+		return (result);
+	}
+
+	sdlz->future_version = *versionp;
+	return (ISC_R_SUCCESS);
 }
 
 static void
 attachversion(dns_db_t *db, dns_dbversion_t *source,
 	      dns_dbversion_t **targetp)
 {
-	REQUIRE(source != NULL && source == (void *) &dummy);
+	dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db;
+
+	REQUIRE(VALID_SDLZDB(sdlz));
+	REQUIRE(source != NULL && source == (void *)&sdlz->dummy_version);
 
-	UNUSED(db);
-	UNUSED(source);
-	UNUSED(targetp);
 	*targetp = source;
 }
 
 static void
 closeversion(dns_db_t *db, dns_dbversion_t **versionp, isc_boolean_t commit) {
-	REQUIRE(versionp != NULL && *versionp == (void *) &dummy);
-	REQUIRE(commit == ISC_FALSE);
+	dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db;
+	char origin[DNS_NAME_MAXTEXT + 1];
 
-	UNUSED(db);
-	UNUSED(commit);
+	REQUIRE(VALID_SDLZDB(sdlz));
+	REQUIRE(versionp != NULL);
+
+	if (*versionp == (void *)&sdlz->dummy_version) {
+		*versionp = NULL;
+		return;
+	}
+
+	REQUIRE(*versionp == sdlz->future_version);
+	REQUIRE(sdlz->dlzimp->methods->closeversion != NULL);
+
+	dns_name_format(&sdlz->common.origin, origin, sizeof(origin));
 
-	*versionp = NULL;
+	sdlz->dlzimp->methods->closeversion(origin, commit,
+					    sdlz->dlzimp->driverarg,
+					    sdlz->dbdata, versionp);
+	if (*versionp != NULL)
+		sdlz_log(ISC_LOG_ERROR,
+			"sdlz closeversion on origin %s failed", origin);
+
+	sdlz->future_version = NULL;
 }
 
 static isc_result_t
@@ -506,11 +552,11 @@ findnode(dns_db_t *db, dns_name_t *name, isc_boolean_t create,
 	dns_sdlzauthorityfunc_t authority;
 
 	REQUIRE(VALID_SDLZDB(sdlz));
-	REQUIRE(create == ISC_FALSE);
 	REQUIRE(nodep != NULL && *nodep == NULL);
 
-	UNUSED(name);
-	UNUSED(create);
+	if (sdlz->dlzimp->methods->newversion == NULL) {
+		REQUIRE(create == ISC_FALSE);
+	}
 
 	isc_buffer_init(&b, namestr, sizeof(namestr));
 	if ((sdlz->dlzimp->flags & DNS_SDLZFLAG_RELATIVEOWNER) != 0) {
@@ -558,7 +604,7 @@ findnode(dns_db_t *db, dns_name_t *name, isc_boolean_t create,
 	 * if the host (namestr) was not found, try to lookup a
 	 * "wildcard" host.
 	 */
-	if (result != ISC_R_SUCCESS) {
+	if (result != ISC_R_SUCCESS && !create) {
 		result = sdlz->dlzimp->methods->lookup(zonestr, "*",
 						       sdlz->dlzimp->driverarg,
 						       sdlz->dbdata, node);
@@ -566,7 +612,7 @@ findnode(dns_db_t *db, dns_name_t *name, isc_boolean_t create,
 
 	MAYBE_UNLOCK(sdlz->dlzimp);
 
-	if (result != ISC_R_SUCCESS && !isorigin) {
+	if (result != ISC_R_SUCCESS && !isorigin && !create) {
 		destroynode(node);
 		return (result);
 	}
@@ -584,6 +630,23 @@ findnode(dns_db_t *db, dns_name_t *name, isc_boolean_t create,
 		}
 	}
 
+	if (node->name == NULL) {
+		node->name = isc_mem_get(sdlz->common.mctx,
+					 sizeof(dns_name_t));
+		if (node->name == NULL) {
+			destroynode(node);
+			return (ISC_R_NOMEMORY);
+		}
+		dns_name_init(node->name, NULL);
+		result = dns_name_dup(name, sdlz->common.mctx, node->name);
+		if (result != ISC_R_SUCCESS) {
+			isc_mem_put(sdlz->common.mctx, node->name,
+				    sizeof(dns_name_t));
+			destroynode(node);
+			return (result);
+		}
+	}
+
 	*nodep = node;
 	return (ISC_R_SUCCESS);
 }
@@ -778,7 +841,7 @@ find(dns_db_t *db, dns_name_t *name, dns_dbversion_t *version,
 
 	REQUIRE(VALID_SDLZDB(sdlz));
 	REQUIRE(nodep == NULL || *nodep == NULL);
-	REQUIRE(version == NULL || version == (void *) &dummy);
+	REQUIRE(version == NULL || version == (void*)&sdlz->dummy_version);
 
 	UNUSED(options);
 	UNUSED(sdlz);
@@ -920,9 +983,14 @@ static isc_result_t
 allrdatasets(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
 	     isc_stdtime_t now, dns_rdatasetiter_t **iteratorp)
 {
+	dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *) db;
 	sdlz_rdatasetiter_t *iterator;
 
-	REQUIRE(version == NULL || version == &dummy);
+	REQUIRE(VALID_SDLZDB(sdlz));
+
+	REQUIRE(version == NULL ||
+		version == (void*)&sdlz->dummy_version ||
+		version == sdlz->future_version);
 
 	UNUSED(version);
 	UNUSED(now);
@@ -945,47 +1013,139 @@ allrdatasets(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
 }
 
 static isc_result_t
+modrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
+	    dns_rdataset_t *rdataset, unsigned int options,
+	    dns_sdlzmodrdataset_t mod_function)
+{
+	dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db;
+	dns_master_style_t *style = NULL;
+	isc_result_t result;
+	isc_buffer_t *buffer = NULL;
+	isc_mem_t *mctx;
+	dns_sdlznode_t *sdlznode;
+	char *rdatastr = NULL;
+	char name[DNS_NAME_MAXTEXT + 1];
+
+	REQUIRE(VALID_SDLZDB(sdlz));
+
+	if (mod_function == NULL)
+		return (ISC_R_NOTIMPLEMENTED);
+
+	sdlznode = (dns_sdlznode_t *)node;
+
+	UNUSED(options);
+
+	dns_name_format(sdlznode->name, name, sizeof(name));
+
+	mctx = sdlz->common.mctx;
+
+	result = isc_buffer_allocate(mctx, &buffer, 1024);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+
+	result = dns_master_stylecreate(&style, 0, 0, 0, 0, 0, 0, 1, mctx);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+
+	result = dns_master_rdatasettotext(sdlznode->name, rdataset,
+					   style, buffer);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+
+	if (isc_buffer_usedlength(buffer) < 1) {
+		result = ISC_R_BADADDRESSFORM;
+		goto cleanup;
+	}
+
+	rdatastr = isc_buffer_base(buffer);
+	if (rdatastr == NULL) {
+		result = ISC_R_NOMEMORY;
+		goto cleanup;
+	}
+	rdatastr[isc_buffer_usedlength(buffer) - 1] = 0;
+
+	MAYBE_LOCK(sdlz->dlzimp);
+	result = mod_function(name, rdatastr, sdlz->dlzimp->driverarg,
+			      sdlz->dbdata, version);
+	MAYBE_UNLOCK(sdlz->dlzimp);
+
+cleanup:
+	isc_buffer_free(&buffer);
+	if (style != NULL)
+		dns_master_styledestroy(&style, mctx);
+
+	return (result);
+}
+
+static isc_result_t
 addrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
 	    isc_stdtime_t now, dns_rdataset_t *rdataset, unsigned int options,
 	    dns_rdataset_t *addedrdataset)
 {
-	UNUSED(db);
-	UNUSED(node);
-	UNUSED(version);
+	dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db;
+	isc_result_t result;
+
 	UNUSED(now);
-	UNUSED(rdataset);
-	UNUSED(options);
 	UNUSED(addedrdataset);
+	REQUIRE(VALID_SDLZDB(sdlz));
 
-	return (ISC_R_NOTIMPLEMENTED);
+	if (sdlz->dlzimp->methods->addrdataset == NULL)
+		return (ISC_R_NOTIMPLEMENTED);
+
+	result = modrdataset(db, node, version, rdataset, options,
+			     sdlz->dlzimp->methods->addrdataset);
+	return (result);
 }
 
+
 static isc_result_t
 subtractrdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
 		 dns_rdataset_t *rdataset, unsigned int options,
 		 dns_rdataset_t *newrdataset)
 {
-	UNUSED(db);
-	UNUSED(node);
-	UNUSED(version);
-	UNUSED(rdataset);
-	UNUSED(options);
+	dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db;
+	isc_result_t result;
+
 	UNUSED(newrdataset);
+	REQUIRE(VALID_SDLZDB(sdlz));
 
-	return (ISC_R_NOTIMPLEMENTED);
+	if (sdlz->dlzimp->methods->subtractrdataset == NULL) {
+		return (ISC_R_NOTIMPLEMENTED);
+	}
+
+	result = modrdataset(db, node, version, rdataset, options,
+			     sdlz->dlzimp->methods->subtractrdataset);
+	return (result);
 }
 
 static isc_result_t
 deleterdataset(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
 	       dns_rdatatype_t type, dns_rdatatype_t covers)
 {
-	UNUSED(db);
-	UNUSED(node);
-	UNUSED(version);
-	UNUSED(type);
+	dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db;
+	char name[DNS_NAME_MAXTEXT + 1];
+	char b_type[DNS_RDATATYPE_FORMATSIZE];
+	dns_sdlznode_t *sdlznode;
+	isc_result_t result;
+
 	UNUSED(covers);
 
-	return (ISC_R_NOTIMPLEMENTED);
+	REQUIRE(VALID_SDLZDB(sdlz));
+
+	if (sdlz->dlzimp->methods->delrdataset == NULL)
+		return (ISC_R_NOTIMPLEMENTED);
+
+	sdlznode = (dns_sdlznode_t *)node;
+	dns_name_format(sdlznode->name, name, sizeof(name));
+	dns_rdatatype_format(type, b_type, sizeof(b_type));
+
+	MAYBE_LOCK(sdlz->dlzimp);
+	result = sdlz->dlzimp->methods->delrdataset(name, b_type,
+						    sdlz->dlzimp->driverarg,
+						    sdlz->dbdata, version);
+	MAYBE_UNLOCK(sdlz->dlzimp);
+
+	return (result);
 }
 
 static isc_boolean_t
@@ -1021,6 +1181,26 @@ settask(dns_db_t *db, isc_task_t *task) {
 }
 
 
+/*
+ * getoriginnode() is used by the update code to find the
+ * dns_rdatatype_dnskey record for a zone
+ */
+static isc_result_t
+getoriginnode(dns_db_t *db, dns_dbnode_t **nodep) {
+	dns_sdlz_db_t *sdlz = (dns_sdlz_db_t *)db;
+	isc_result_t result;
+
+	REQUIRE(VALID_SDLZDB(sdlz));
+	if (sdlz->dlzimp->methods->newversion == NULL)
+		return (ISC_R_NOTIMPLEMENTED);
+
+	result = findnode(db, &sdlz->common.origin, ISC_FALSE, nodep);
+	if (result != ISC_R_SUCCESS)
+		sdlz_log(ISC_LOG_ERROR, "sdlz getoriginnode failed : %s",
+			 isc_result_totext(result));
+	return (result);
+}
+
 static dns_dbmethods_t sdlzdb_methods = {
 	attach,
 	detach,
@@ -1049,6 +1229,8 @@ static dns_dbmethods_t sdlzdb_methods = {
 	ispersistent,
 	overmem,
 	settask,
+	getoriginnode,
+	NULL,
 	NULL,
 	NULL,
 	NULL,
@@ -1371,9 +1553,7 @@ dns_sdlzcreate(isc_mem_t *mctx, const char *dlzname, unsigned int argc,
 	isc_result_t result = ISC_R_NOTFOUND;
 
 	/* Write debugging message to log */
-	isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE,
-		      DNS_LOGMODULE_DLZ, ISC_LOG_DEBUG(2),
-		      "Loading SDLZ driver.");
+	sdlz_log(ISC_LOG_DEBUG(2), "Loading SDLZ driver.");
 
 	/*
 	 * Performs checks to make sure data is as we expect it to be.
@@ -1395,13 +1575,9 @@ dns_sdlzcreate(isc_mem_t *mctx, const char *dlzname, unsigned int argc,
 
 	/* Write debugging message to log */
 	if (result == ISC_R_SUCCESS) {
-		isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE,
-			      DNS_LOGMODULE_DLZ, ISC_LOG_DEBUG(2),
-			      "SDLZ driver loaded successfully.");
+		sdlz_log(ISC_LOG_DEBUG(2), "SDLZ driver loaded successfully.");
 	} else {
-		isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE,
-			      DNS_LOGMODULE_DLZ, ISC_LOG_ERROR,
-			      "SDLZ driver failed to load.");
+		sdlz_log(ISC_LOG_ERROR, "SDLZ driver failed to load.");
 	}
 
 	return (result);
@@ -1414,9 +1590,7 @@ dns_sdlzdestroy(void *driverdata, void **dbdata)
 	dns_sdlzimplementation_t *imp;
 
 	/* Write debugging message to log */
-	isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE,
-		      DNS_LOGMODULE_DLZ, ISC_LOG_DEBUG(2),
-		      "Unloading SDLZ driver.");
+	sdlz_log(ISC_LOG_DEBUG(2), "Unloading SDLZ driver.");
 
 	imp = driverdata;
 
@@ -1472,11 +1646,97 @@ dns_sdlzfindzone(void *driverarg, void *dbdata, isc_mem_t *mctx,
 	return (result);
 }
 
+
+static isc_result_t
+dns_sdlzconfigure(void *driverarg, void *dbdata, dns_view_t *view)
+{
+	isc_result_t result;
+	dns_sdlzimplementation_t *imp;
+
+	REQUIRE(driverarg != NULL);
+
+	imp = (dns_sdlzimplementation_t *) driverarg;
+
+	/* Call SDLZ driver's configure method */
+	if (imp->methods->configure != NULL) {
+		MAYBE_LOCK(imp);
+		result = imp->methods->configure(view, imp->driverarg, dbdata);
+		MAYBE_UNLOCK(imp);
+	} else {
+		result = ISC_R_SUCCESS;
+	}
+
+	return (result);
+}
+
+static isc_boolean_t
+dns_sdlzssumatch(dns_name_t *signer, dns_name_t *name, isc_netaddr_t *tcpaddr,
+		 dns_rdatatype_t type, const dst_key_t *key, void *driverarg,
+		 void *dbdata)
+{
+	dns_sdlzimplementation_t *imp;
+	char b_signer[DNS_NAME_FORMATSIZE];
+	char b_name[DNS_NAME_FORMATSIZE];
+	char b_addr[ISC_NETADDR_FORMATSIZE];
+	char b_type[DNS_RDATATYPE_FORMATSIZE];
+	char b_key[DST_KEY_FORMATSIZE];
+	isc_buffer_t *tkey_token;
+	isc_region_t token_region;
+	isc_uint32_t token_len = 0;
+	isc_boolean_t ret;
+
+	REQUIRE(driverarg != NULL);
+
+	imp = (dns_sdlzimplementation_t *) driverarg;
+	if (imp->methods->ssumatch == NULL)
+		return (ISC_FALSE);
+
+	/*
+	 * Format the request elements. sdlz operates on strings, not
+	 * structures
+	 */
+	if (signer)
+		dns_name_format(signer, b_signer, sizeof(b_signer));
+	else
+		b_signer[0] = 0;
+
+	dns_name_format(name, b_name, sizeof(b_name));
+
+	if (tcpaddr)
+		isc_netaddr_format(tcpaddr, b_addr, sizeof(b_addr));
+	else
+		b_addr[0] = 0;
+
+	dns_rdatatype_format(type, b_type, sizeof(b_type));
+
+	if (key)
+		dst_key_format(key, b_key, sizeof(b_key));
+	else
+		b_key[0] = 0;
+
+	tkey_token = dst_key_tkeytoken(key);
+
+	if (tkey_token) {
+		isc_buffer_region(tkey_token, &token_region);
+		token_len = token_region.length;
+	}
+
+	MAYBE_LOCK(imp);
+	ret = imp->methods->ssumatch(b_signer, b_name, b_addr, b_type, b_key,
+				     token_len,
+				     token_len ? token_region.base : NULL,
+				     imp->driverarg, dbdata);
+	MAYBE_UNLOCK(imp);
+	return (ret);
+}
+
 static dns_dlzmethods_t sdlzmethods = {
 	dns_sdlzcreate,
 	dns_sdlzdestroy,
 	dns_sdlzfindzone,
-	dns_sdlzallowzonexfr
+	dns_sdlzallowzonexfr,
+	dns_sdlzconfigure,
+	dns_sdlzssumatch
 };
 
 /*
@@ -1530,8 +1790,16 @@ dns_sdlz_putrr(dns_sdlzlookup_t *lookup, const char *type, dns_ttl_t ttl,
 		ISC_LINK_INIT(rdatalist, link);
 		ISC_LIST_APPEND(lookup->lists, rdatalist, link);
 	} else
-		if (rdatalist->ttl != ttl)
-			return (DNS_R_BADTTL);
+		if (rdatalist->ttl > ttl) {
+			/*
+			 * BIND9 doesn't enforce all RRs in an RRset
+			 * having the same TTL, as per RFC 2136,
+			 * section 7.12. If a DLZ backend has
+			 * different TTLs, then the best
+			 * we can do is return the lowest.
+			*/
+			rdatalist->ttl = ttl;
+		}
 
 	rdata = isc_mem_get(mctx, sizeof(dns_rdata_t));
 	if (rdata == NULL)
@@ -1615,7 +1883,7 @@ dns_sdlz_putnamedrr(dns_sdlzallnodes_t *allnodes, const char *name,
 	isc_buffer_init(&b, name, strlen(name));
 	isc_buffer_add(&b, strlen(name));
 
-	result = dns_name_fromtext(newname, &b, origin, ISC_FALSE, NULL);
+	result = dns_name_fromtext(newname, &b, origin, 0, NULL);
 	if (result != ISC_R_SUCCESS)
 		return (result);
 
@@ -1694,9 +1962,7 @@ dns_sdlzregister(const char *drivername, const dns_sdlzmethods_t *methods,
 			   DNS_SDLZFLAG_THREADSAFE)) == 0);
 
 	/* Write debugging message to log */
-	isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE,
-		      DNS_LOGMODULE_DLZ, ISC_LOG_DEBUG(2),
-		      "Registering SDLZ driver '%s'", drivername);
+	sdlz_log(ISC_LOG_DEBUG(2), "Registering SDLZ driver '%s'", drivername);
 
 	/*
 	 * Allocate memory for a sdlz_implementation object.  Error if
@@ -1769,9 +2035,7 @@ dns_sdlzunregister(dns_sdlzimplementation_t **sdlzimp) {
 	isc_mem_t *mctx;
 
 	/* Write debugging message to log */
-	isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE,
-		      DNS_LOGMODULE_DLZ, ISC_LOG_DEBUG(2),
-		      "Unregistering SDLZ driver.");
+	sdlz_log(ISC_LOG_DEBUG(2), "Unregistering SDLZ driver.");
 
 	/*
 	 * Performs checks to make sure data is as we expect it to be.
@@ -1797,3 +2061,16 @@ dns_sdlzunregister(dns_sdlzimplementation_t **sdlzimp) {
 
 	*sdlzimp = NULL;
 }
+
+
+isc_result_t
+dns_sdlz_setdb(dns_dlzdb_t *dlzdatabase, dns_rdataclass_t rdclass,
+	       dns_name_t *name, dns_db_t **dbp)
+{
+	isc_result_t result;
+
+	result = dns_sdlzcreateDBP(dlzdatabase->mctx,
+				   dlzdatabase->implementation->driverarg,
+				   dlzdatabase->dbdata, name, rdclass, dbp);
+	return (result);
+}
diff --git a/lib/dns/soa.c b/lib/dns/soa.c
index f338586..bd0d185 100644
--- a/lib/dns/soa.c
+++ b/lib/dns/soa.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,15 +15,18 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: soa.c,v 1.8 2007-06-19 23:47:16 tbox Exp $ */
+/* $Id: soa.c,v 1.12 2009-09-10 02:18:40 each Exp $ */
 
 /*! \file */
 
 #include 
+#include 
 
+#include 
 #include 
 
 #include 
+#include 
 #include 
 
 static inline isc_uint32_t
@@ -60,6 +63,39 @@ soa_get(dns_rdata_t *rdata, int offset) {
 	return (decode_uint32(rdata->data + rdata->length - 20 + offset));
 }
 
+isc_result_t
+dns_soa_buildrdata(dns_name_t *origin, dns_name_t *contact,
+		   dns_rdataclass_t rdclass,
+		   isc_uint32_t serial, isc_uint32_t refresh,
+		   isc_uint32_t retry, isc_uint32_t expire,
+		   isc_uint32_t minimum, unsigned char *buffer,
+		   dns_rdata_t *rdata) {
+	dns_rdata_soa_t soa;
+	isc_buffer_t rdatabuf;
+
+	REQUIRE(origin != NULL);
+	REQUIRE(contact != NULL);
+
+	memset(buffer, 0, DNS_SOA_BUFFERSIZE);
+	isc_buffer_init(&rdatabuf, buffer, DNS_SOA_BUFFERSIZE);
+
+	soa.common.rdtype = dns_rdatatype_soa;
+	soa.common.rdclass = rdclass;
+	soa.mctx = NULL;
+	soa.serial = serial;
+	soa.refresh = refresh;
+	soa.retry = retry;
+	soa.expire = expire;
+	soa.minimum = minimum;
+	dns_name_init(&soa.origin, NULL);
+	dns_name_clone(origin, &soa.origin);
+	dns_name_init(&soa.contact, NULL);
+	dns_name_clone(contact, &soa.contact);
+
+	return (dns_rdata_fromstruct(rdata, rdclass, dns_rdatatype_soa,
+				      &soa, &rdatabuf));
+}
+
 isc_uint32_t
 dns_soa_getserial(dns_rdata_t *rdata) {
 	return soa_get(rdata, 0);
diff --git a/lib/dns/spnego.c b/lib/dns/spnego.c
index ad15331..5ad492c 100644
--- a/lib/dns/spnego.c
+++ b/lib/dns/spnego.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2006-2011  Internet Systems Consortium, Inc. ("ISC")
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -14,7 +14,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: spnego.c,v 1.8.118.4 2009-07-21 07:27:13 marka Exp $ */
+/* $Id: spnego.c,v 1.16 2011-01-11 23:47:13 tbox Exp $ */
 
 /*! \file
  * \brief
@@ -172,6 +172,8 @@
 /* asn1_err.h */
 /* Generated from ../../../lib/asn1/asn1_err.et */
 
+#ifndef ERROR_TABLE_BASE_asn1
+/* these may be brought in already via gssapi_krb5.h */
 typedef enum asn1_error_number {
 	ASN1_BAD_TIMEFORMAT = 1859794432,
 	ASN1_MISSING_FIELD = 1859794433,
@@ -186,6 +188,7 @@ typedef enum asn1_error_number {
 } asn1_error_number;
 
 #define ERROR_TABLE_BASE_asn1 1859794432
+#endif
 
 #define __asn1_common_definitions__
 
@@ -409,7 +412,7 @@ code_NegTokenArg(OM_uint32 * minor_status,
 {
 	OM_uint32 ret;
 	u_char *buf;
-	size_t buf_size, buf_len;
+	size_t buf_size, buf_len = 0;
 
 	buf_size = 1024;
 	buf = malloc(buf_size);
diff --git a/lib/dns/ssu.c b/lib/dns/ssu.c
index 128071c..eb13551 100644
--- a/lib/dns/ssu.c
+++ b/lib/dns/ssu.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2008, 2010, 2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001, 2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -17,7 +17,7 @@
 
 /*! \file */
 /*
- * $Id: ssu.c,v 1.34 2008-01-18 23:46:58 tbox Exp $
+ * $Id: ssu.c,v 1.38 2011-01-06 23:47:00 tbox Exp $
  * Principal Author: Brian Wellington
  */
 
@@ -30,11 +30,13 @@
 #include 
 #include 
 
+#include 
 #include 
 #include 
 #include 
 
 #include 
+#include 
 
 #define SSUTABLEMAGIC		ISC_MAGIC('S', 'S', 'U', 'T')
 #define VALID_SSUTABLE(table)	ISC_MAGIC_VALID(table, SSUTABLEMAGIC)
@@ -59,6 +61,7 @@ struct dns_ssutable {
 	isc_mem_t *mctx;
 	unsigned int references;
 	isc_mutex_t lock;
+	dns_dlzdb_t *dlzdatabase;
 	ISC_LIST(dns_ssurule_t) rules;
 };
 
@@ -345,7 +348,8 @@ stf_from_address(dns_name_t *stfself, isc_netaddr_t *tcpaddr) {
 isc_boolean_t
 dns_ssutable_checkrules(dns_ssutable_t *table, dns_name_t *signer,
 			dns_name_t *name, isc_netaddr_t *tcpaddr,
-			dns_rdatatype_t type)
+			dns_rdatatype_t type,
+			const dst_key_t *key)
 {
 	dns_ssurule_t *rule;
 	unsigned int i;
@@ -483,10 +487,27 @@ dns_ssutable_checkrules(dns_ssutable_t *table, dns_name_t *signer,
 			if (!dns_name_equal(stfself, name))
 				continue;
 			break;
+		case DNS_SSUMATCHTYPE_EXTERNAL:
+			if (!dns_ssu_external_match(rule->identity, signer,
+						    name, tcpaddr, type, key,
+						    table->mctx))
+				continue;
+			break;
+		case DNS_SSUMATCHTYPE_DLZ:
+			if (!dns_dlz_ssumatch(table->dlzdatabase, signer,
+					      name, tcpaddr, type, key))
+				continue;
+			break;
 		}
 
 		if (rule->ntypes == 0) {
-			if (!isusertype(type))
+			/*
+			 * If this is a DLZ rule, then the DLZ ssu
+			 * checks will have already checked
+			 * the type.
+			 */
+			if (rule->matchtype != DNS_SSUMATCHTYPE_DLZ &&
+			    !isusertype(type))
 				continue;
 		} else {
 			for (i = 0; i < rule->ntypes; i++) {
@@ -550,3 +571,42 @@ dns_ssutable_nextrule(dns_ssurule_t *rule, dns_ssurule_t **nextrule) {
 	*nextrule = ISC_LIST_NEXT(rule, link);
 	return (*nextrule != NULL ? ISC_R_SUCCESS : ISC_R_NOMORE);
 }
+
+/*
+ * Create a specialised SSU table that points at an external DLZ database
+ */
+isc_result_t
+dns_ssutable_createdlz(isc_mem_t *mctx, dns_ssutable_t **tablep,
+		       dns_dlzdb_t *dlzdatabase)
+{
+	isc_result_t result;
+	dns_ssurule_t *rule;
+	dns_ssutable_t *table = NULL;
+
+	REQUIRE(tablep != NULL && *tablep == NULL);
+
+	result = dns_ssutable_create(mctx, &table);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+
+	table->dlzdatabase = dlzdatabase;
+
+	rule = isc_mem_get(table->mctx, sizeof(dns_ssurule_t));
+	if (rule == NULL) {
+		dns_ssutable_detach(&table);
+		return (ISC_R_NOMEMORY);
+	}
+
+	rule->identity = NULL;
+	rule->name = NULL;
+	rule->types = NULL;
+	rule->grant = ISC_TRUE;
+	rule->matchtype = DNS_SSUMATCHTYPE_DLZ;
+	rule->ntypes = 0;
+	rule->types = NULL;
+	rule->magic = SSURULEMAGIC;
+
+	ISC_LIST_INITANDAPPEND(table->rules, rule, link);
+	*tablep = table;
+	return (ISC_R_SUCCESS);
+}
diff --git a/lib/dns/ssu_external.c b/lib/dns/ssu_external.c
new file mode 100644
index 0000000..ac72a1f
--- /dev/null
+++ b/lib/dns/ssu_external.c
@@ -0,0 +1,265 @@
+/*
+ * Copyright (C) 2011  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: ssu_external.c,v 1.7 2011-01-13 07:05:57 marka Exp $ */
+
+/*
+ * This implements external update-policy rules.  This allows permission
+ * to update a zone to be checked by consulting an external daemon (e.g.,
+ * kerberos).
+ */
+
+#include 
+#include 
+#include 
+
+#ifdef ISC_PLATFORM_HAVESYSUNH
+#include 
+#include 
+#endif
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include 
+
+
+static void
+ssu_e_log(int level, const char *fmt, ...) {
+	va_list ap;
+
+	va_start(ap, fmt);
+	isc_log_vwrite(dns_lctx, DNS_LOGCATEGORY_SECURITY,
+		       DNS_LOGMODULE_ZONE, ISC_LOG_DEBUG(level), fmt, ap);
+	va_end(ap);
+}
+
+
+/*
+ * Connect to a UNIX domain socket.
+ */
+static int
+ux_socket_connect(const char *path) {
+	int fd = -1;
+#ifdef ISC_PLATFORM_HAVESYSUNH
+	struct sockaddr_un addr;
+
+	REQUIRE(path != NULL);
+
+	if (strlen(path) > sizeof(addr.sun_path)) {
+		ssu_e_log(3, "ssu_external: socket path '%s' "
+			     "longer than system maximum %u",
+			  path, sizeof(addr.sun_path));
+		return (-1);
+	}
+
+	memset(&addr, 0, sizeof(addr));
+	addr.sun_family = AF_UNIX;
+	strncpy(addr.sun_path, path, sizeof(addr.sun_path));
+
+	fd = socket(AF_UNIX, SOCK_STREAM, 0);
+	if (fd == -1) {
+		char strbuf[ISC_STRERRORSIZE];
+		isc__strerror(errno, strbuf, sizeof(strbuf));
+		ssu_e_log(3, "ssu_external: unable to create socket - %s",
+			  strbuf);
+		return (-1);
+	}
+
+	if (connect(fd, (struct sockaddr *)&addr, sizeof(addr)) == -1) {
+		char strbuf[ISC_STRERRORSIZE];
+		isc__strerror(errno, strbuf, sizeof(strbuf));
+		ssu_e_log(3, "ssu_external: unable to connect to "
+			     "socket '%s' - %s",
+			  path, strbuf);
+		close(fd);
+		return (-1);
+	}
+#endif
+	return (fd);
+}
+
+/* Change this version if you update the format of the request */
+#define SSU_EXTERNAL_VERSION 1
+
+/*
+ * Perform an update-policy rule check against an external application
+ * over a socket.
+ *
+ * This currently only supports local: for unix domain datagram sockets.
+ *
+ * Note that by using a datagram socket and creating a new socket each
+ * time we avoid the need for locking and allow for parallel access to
+ * the authorization server.
+ */
+isc_boolean_t
+dns_ssu_external_match(dns_name_t *identity,
+		       dns_name_t *signer, dns_name_t *name,
+		       isc_netaddr_t *tcpaddr, dns_rdatatype_t type,
+		       const dst_key_t *key, isc_mem_t *mctx)
+{
+	char b_identity[DNS_NAME_FORMATSIZE];
+	char b_signer[DNS_NAME_FORMATSIZE];
+	char b_name[DNS_NAME_FORMATSIZE];
+	char b_addr[ISC_NETADDR_FORMATSIZE];
+	char b_type[DNS_RDATATYPE_FORMATSIZE];
+	char b_key[DST_KEY_FORMATSIZE];
+	isc_buffer_t *tkey_token;
+	int fd;
+	const char *sock_path;
+	size_t req_len;
+	isc_region_t token_region;
+	unsigned char *data;
+	isc_buffer_t buf;
+	isc_uint32_t token_len = 0;
+	isc_uint32_t reply;
+	ssize_t ret;
+
+	/* The identity contains local:/path/to/socket */
+	dns_name_format(identity, b_identity, sizeof(b_identity));
+
+	/* For now only local: is supported */
+	if (strncmp(b_identity, "local:", 6) != 0) {
+		ssu_e_log(3, "ssu_external: invalid socket path '%s'",
+			  b_identity);
+		return (ISC_FALSE);
+	}
+	sock_path = &b_identity[6];
+
+	fd = ux_socket_connect(sock_path);
+	if (fd == -1)
+		return (ISC_FALSE);
+
+	tkey_token = dst_key_tkeytoken(key);
+
+	/* Format the request elements */
+	if (signer)
+		dns_name_format(signer, b_signer, sizeof(b_signer));
+	else
+		b_signer[0] = 0;
+
+	dns_name_format(name, b_name, sizeof(b_name));
+
+	if (tcpaddr)
+		isc_netaddr_format(tcpaddr, b_addr, sizeof(b_addr));
+	else
+		b_addr[0] = 0;
+
+	dns_rdatatype_format(type, b_type, sizeof(b_type));
+
+	if (key)
+		dst_key_format(key, b_key, sizeof(b_key));
+	else
+		b_key[0] = 0;
+
+	if (tkey_token) {
+		isc_buffer_region(tkey_token, &token_region);
+		token_len = token_region.length;
+	}
+
+	/* Work out how big the request will be */
+	req_len = sizeof(isc_uint32_t)     + /* Format version */
+		  sizeof(isc_uint32_t)     + /* Length */
+		  strlen(b_signer) + 1 + /* Signer */
+		  strlen(b_name) + 1   + /* Name */
+		  strlen(b_addr) + 1   + /* Address */
+		  strlen(b_type) + 1   + /* Type */
+		  strlen(b_key) + 1    + /* Key */
+		  sizeof(isc_uint32_t)     + /* tkey_token length */
+		  token_len;             /* tkey_token */
+
+
+	/* format the buffer */
+	data = isc_mem_allocate(mctx, req_len);
+	if (data == NULL) {
+		close(fd);
+		return (ISC_FALSE);
+	}
+
+	isc_buffer_init(&buf, data, req_len);
+	isc_buffer_putuint32(&buf, SSU_EXTERNAL_VERSION);
+	isc_buffer_putuint32(&buf, req_len);
+
+	/* Strings must be null-terminated */
+	isc_buffer_putstr(&buf, b_signer);
+	isc_buffer_putuint8(&buf, 0);
+	isc_buffer_putstr(&buf, b_name);
+	isc_buffer_putuint8(&buf, 0);
+	isc_buffer_putstr(&buf, b_addr);
+	isc_buffer_putuint8(&buf, 0);
+	isc_buffer_putstr(&buf, b_type);
+	isc_buffer_putuint8(&buf, 0);
+	isc_buffer_putstr(&buf, b_key);
+	isc_buffer_putuint8(&buf, 0);
+
+	isc_buffer_putuint32(&buf, token_len);
+	if (tkey_token && token_len != 0)
+		isc_buffer_putmem(&buf, token_region.base, token_len);
+
+	ENSURE(isc_buffer_availablelength(&buf) == 0);
+
+	/* Send the request */
+	ret = write(fd, data, req_len);
+	isc_mem_free(mctx, data);
+	if (ret != (ssize_t) req_len) {
+		char strbuf[ISC_STRERRORSIZE];
+		isc__strerror(errno, strbuf, sizeof(strbuf));
+		ssu_e_log(3, "ssu_external: unable to send request - %s",
+			  strbuf);
+		close(fd);
+		return (ISC_FALSE);
+	}
+
+	/* Receive the reply */
+	ret = read(fd, &reply, sizeof(isc_uint32_t));
+	if (ret != (ssize_t) sizeof(isc_uint32_t)) {
+		char strbuf[ISC_STRERRORSIZE];
+		isc__strerror(errno, strbuf, sizeof(strbuf));
+		ssu_e_log(3, "ssu_external: unable to receive reply - %s",
+			  strbuf);
+		close(fd);
+		return (ISC_FALSE);
+	}
+
+	close(fd);
+
+	reply = ntohl(reply);
+
+	if (reply == 0) {
+		ssu_e_log(3, "ssu_external: denied external auth for '%s'",
+			  b_name);
+		return (ISC_FALSE);
+	} else if (reply == 1) {
+		ssu_e_log(3, "ssu_external: allowed external auth for '%s'",
+			  b_name);
+		return (ISC_TRUE);
+	}
+
+	ssu_e_log(3, "ssu_external: invalid reply 0x%08x", reply);
+
+	return (ISC_FALSE);
+}
diff --git a/lib/dns/stats.c b/lib/dns/stats.c
index b73a3b3..cb46bf5 100644
--- a/lib/dns/stats.c
+++ b/lib/dns/stats.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: stats.c,v 1.16.118.2 2009-01-29 23:47:44 tbox Exp $ */
+/* $Id: stats.c,v 1.18 2009-01-27 23:47:54 tbox Exp $ */
 
 /*! \file */
 
diff --git a/lib/dns/time.c b/lib/dns/time.c
index bd8cdc3..3f55f19 100644
--- a/lib/dns/time.c
+++ b/lib/dns/time.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: time.c,v 1.31.332.4 2010-04-21 23:48:05 tbox Exp $ */
+/* $Id: time.c,v 1.35 2010-04-21 23:51:22 tbox Exp $ */
 
 /*! \file */
 
diff --git a/lib/dns/tkey.c b/lib/dns/tkey.c
index 7107dd5..a861ee3 100644
--- a/lib/dns/tkey.c
+++ b/lib/dns/tkey.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2008, 2010  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001, 2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -16,7 +16,7 @@
  */
 
 /*
- * $Id: tkey.c,v 1.90.118.4 2010-12-09 01:12:55 marka Exp $
+ * $Id: tkey.c,v 1.100 2011-01-08 23:47:01 tbox Exp $
  */
 /*! \file */
 #include 
@@ -99,6 +99,7 @@ dns_tkeyctx_create(isc_mem_t *mctx, isc_entropy_t *ectx, dns_tkeyctx_t **tctxp)
 	tctx->dhkey = NULL;
 	tctx->domain = NULL;
 	tctx->gsscred = NULL;
+	tctx->gssapi_keytab = NULL;
 
 	*tctxp = tctx;
 	return (ISC_R_SUCCESS);
@@ -121,6 +122,9 @@ dns_tkeyctx_destroy(dns_tkeyctx_t **tctxp) {
 			dns_name_free(tctx->domain, mctx);
 		isc_mem_put(mctx, tctx->domain, sizeof(dns_name_t));
 	}
+	if (tctx->gssapi_keytab != NULL) {
+		isc_mem_free(mctx, tctx->gssapi_keytab);
+	}
 	if (tctx->gsscred != NULL)
 		dst_gssapi_releasecred(&tctx->gsscred);
 	isc_entropy_detach(&tctx->ectx);
@@ -430,8 +434,17 @@ process_gsstkey(dns_name_t *name, dns_rdata_tkey_t *tkeyin,
 	isc_buffer_t *outtoken = NULL;
 	gss_ctx_id_t gss_ctx = NULL;
 
-	if (tctx->gsscred == NULL)
+	/*
+	 * You have to define either a gss credential (principal) to
+	 * accept with tkey-gssapi-credential, or you have to
+	 * configure a specific keytab (with tkey-gssapi-keytab) in
+	 * order to use gsstkey
+	 */
+	if (tctx->gsscred == NULL && tctx->gssapi_keytab == NULL) {
+		tkey_log("process_gsstkey(): no tkey-gssapi-credential "
+			 "or tkey-gssapi-keytab configured");
 		return (ISC_R_NOPERM);
+	}
 
 	if (!dns_name_equal(&tkeyin->algorithm, DNS_TSIG_GSSAPI_NAME) &&
 	    !dns_name_equal(&tkeyin->algorithm, DNS_TSIG_GSSAPIMS_NAME)) {
@@ -454,7 +467,11 @@ process_gsstkey(dns_name_t *name, dns_rdata_tkey_t *tkeyin,
 
 	dns_fixedname_init(&principal);
 
-	result = dst_gssapi_acceptctx(tctx->gsscred, &intoken,
+	/*
+	 * Note that tctx->gsscred may be NULL if tctx->gssapi_keytab is set
+	 */
+	result = dst_gssapi_acceptctx(tctx->gsscred, tctx->gssapi_keytab,
+				      &intoken,
 				      &outtoken, &gss_ctx,
 				      dns_fixedname_name(&principal),
 				      tctx->mctx);
@@ -479,7 +496,8 @@ process_gsstkey(dns_name_t *name, dns_rdata_tkey_t *tkeyin,
 #endif
 		isc_uint32_t expire;
 
-		RETERR(dst_key_fromgssapi(name, gss_ctx, ring->mctx, &dstkey));
+		RETERR(dst_key_fromgssapi(name, gss_ctx, ring->mctx,
+					  &dstkey, &intoken));
 		/*
 		 * Limit keys to 1 hour or the context's lifetime whichever
 		 * is smaller.
@@ -734,8 +752,7 @@ dns_tkey_processquery(dns_message_t *msg, dns_tkeyctx_t *tctx,
 			}
 			isc_buffer_init(&b, randomtext, sizeof(randomtext));
 			isc_buffer_add(&b, sizeof(randomtext));
-			result = dns_name_fromtext(keyname, &b, NULL,
-						   ISC_FALSE, NULL);
+			result = dns_name_fromtext(keyname, &b, NULL, 0, NULL);
 			if (result != ISC_R_SUCCESS)
 				goto failure;
 		}
@@ -985,7 +1002,8 @@ dns_tkey_builddhquery(dns_message_t *msg, dst_key_t *key, dns_name_t *name,
 isc_result_t
 dns_tkey_buildgssquery(dns_message_t *msg, dns_name_t *name, dns_name_t *gname,
 		       isc_buffer_t *intoken, isc_uint32_t lifetime,
-		       gss_ctx_id_t *context, isc_boolean_t win2k)
+		       gss_ctx_id_t *context, isc_boolean_t win2k,
+		       isc_mem_t *mctx, char **err_message)
 {
 	dns_rdata_tkey_t tkey;
 	isc_result_t result;
@@ -999,9 +1017,11 @@ dns_tkey_buildgssquery(dns_message_t *msg, dns_name_t *name, dns_name_t *gname,
 	REQUIRE(name != NULL);
 	REQUIRE(gname != NULL);
 	REQUIRE(context != NULL);
+	REQUIRE(mctx != NULL);
 
 	isc_buffer_init(&token, array, sizeof(array));
-	result = dst_gssapi_initctx(gname, NULL, &token, context);
+	result = dst_gssapi_initctx(gname, NULL, &token, context,
+				    mctx, err_message);
 	if (result != DNS_R_CONTINUE && result != ISC_R_SUCCESS)
 		return (result);
 
@@ -1218,7 +1238,7 @@ isc_result_t
 dns_tkey_processgssresponse(dns_message_t *qmsg, dns_message_t *rmsg,
 			    dns_name_t *gname, gss_ctx_id_t *context,
 			    isc_buffer_t *outtoken, dns_tsigkey_t **outkey,
-			    dns_tsig_keyring_t *ring)
+			    dns_tsig_keyring_t *ring, char **err_message)
 {
 	dns_rdata_t rtkeyrdata = DNS_RDATA_INIT, qtkeyrdata = DNS_RDATA_INIT;
 	dns_name_t *tkeyname;
@@ -1232,6 +1252,7 @@ dns_tkey_processgssresponse(dns_message_t *qmsg, dns_message_t *rmsg,
 	REQUIRE(qmsg != NULL);
 	REQUIRE(rmsg != NULL);
 	REQUIRE(gname != NULL);
+	REQUIRE(ring != NULL);
 	if (outkey != NULL)
 		REQUIRE(*outkey == NULL);
 
@@ -1268,10 +1289,11 @@ dns_tkey_processgssresponse(dns_message_t *qmsg, dns_message_t *rmsg,
 
 	isc_buffer_init(outtoken, array, sizeof(array));
 	isc_buffer_init(&intoken, rtkey.key, rtkey.keylen);
-	RETERR(dst_gssapi_initctx(gname, &intoken, outtoken, context));
+	RETERR(dst_gssapi_initctx(gname, &intoken, outtoken, context,
+				  ring->mctx, err_message));
 
 	RETERR(dst_key_fromgssapi(dns_rootname, *context, rmsg->mctx,
-				  &dstkey));
+				  &dstkey, NULL));
 
 	RETERR(dns_tsigkey_createfromkey(tkeyname, DNS_TSIG_GSSAPI_NAME,
 					 dstkey, ISC_FALSE, NULL,
@@ -1349,7 +1371,7 @@ isc_result_t
 dns_tkey_gssnegotiate(dns_message_t *qmsg, dns_message_t *rmsg,
 		      dns_name_t *server, gss_ctx_id_t *context,
 		      dns_tsigkey_t **outkey, dns_tsig_keyring_t *ring,
-		      isc_boolean_t win2k)
+		      isc_boolean_t win2k, char **err_message)
 {
 	dns_rdata_t rtkeyrdata = DNS_RDATA_INIT, qtkeyrdata = DNS_RDATA_INIT;
 	dns_name_t *tkeyname;
@@ -1393,12 +1415,13 @@ dns_tkey_gssnegotiate(dns_message_t *qmsg, dns_message_t *rmsg,
 	isc_buffer_init(&intoken, rtkey.key, rtkey.keylen);
 	isc_buffer_init(&outtoken, array, sizeof(array));
 
-	result = dst_gssapi_initctx(server, &intoken, &outtoken, context);
+	result = dst_gssapi_initctx(server, &intoken, &outtoken, context,
+				    ring->mctx, err_message);
 	if (result != DNS_R_CONTINUE && result != ISC_R_SUCCESS)
 		return (result);
 
 	RETERR(dst_key_fromgssapi(dns_rootname, *context, rmsg->mctx,
-				  &dstkey));
+				  &dstkey, NULL));
 
 	/*
 	 * XXXSRA This seems confused.  If we got CONTINUE from initctx,
diff --git a/lib/dns/tsec.c b/lib/dns/tsec.c
new file mode 100644
index 0000000..b7ed777
--- /dev/null
+++ b/lib/dns/tsec.c
@@ -0,0 +1,160 @@
+/*
+ * Copyright (C) 2009, 2010  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: tsec.c,v 1.7 2010-12-09 00:54:34 marka Exp $ */
+
+#include 
+
+#include 
+
+#include 
+#include 
+#include 
+
+#include 
+
+#define DNS_TSEC_MAGIC			ISC_MAGIC('T', 's', 'e', 'c')
+#define DNS_TSEC_VALID(t)		ISC_MAGIC_VALID(t, DNS_TSEC_MAGIC)
+
+/*%
+ * DNS Transaction Security object.  We assume this is not shared by
+ * multiple threads, and so the structure does not contain a lock.
+ */
+struct dns_tsec {
+	unsigned int		magic;
+	dns_tsectype_t		type;
+	isc_mem_t		*mctx;
+	union {
+		dns_tsigkey_t	*tsigkey;
+		dst_key_t	*key;
+	} ukey;
+};
+
+isc_result_t
+dns_tsec_create(isc_mem_t *mctx, dns_tsectype_t type, dst_key_t *key,
+		dns_tsec_t **tsecp)
+{
+	isc_result_t result;
+	dns_tsec_t *tsec;
+	dns_tsigkey_t *tsigkey = NULL;
+	dns_name_t *algname;
+
+	REQUIRE(mctx != NULL);
+	REQUIRE(tsecp != NULL && *tsecp == NULL);
+
+	tsec = isc_mem_get(mctx, sizeof(*tsec));
+	if (tsec == NULL)
+		return (ISC_R_NOMEMORY);
+
+	tsec->type = type;
+	tsec->mctx = mctx;
+
+	switch (type) {
+	case dns_tsectype_tsig:
+		switch (dst_key_alg(key)) {
+		case DST_ALG_HMACMD5:
+			algname = dns_tsig_hmacmd5_name;
+			break;
+		case DST_ALG_HMACSHA1:
+			algname = dns_tsig_hmacsha1_name;
+			break;
+		case DST_ALG_HMACSHA224:
+			algname = dns_tsig_hmacsha224_name;
+			break;
+		case DST_ALG_HMACSHA256:
+			algname = dns_tsig_hmacsha256_name;
+			break;
+		case DST_ALG_HMACSHA384:
+			algname = dns_tsig_hmacsha384_name;
+			break;
+		case DST_ALG_HMACSHA512:
+			algname = dns_tsig_hmacsha512_name;
+			break;
+		default:
+			isc_mem_put(mctx, tsec, sizeof(*tsec));
+			return (DNS_R_BADALG);
+		}
+		result = dns_tsigkey_createfromkey(dst_key_name(key),
+						   algname, key, ISC_FALSE,
+						   NULL, 0, 0, mctx, NULL,
+						   &tsigkey);
+		if (result != ISC_R_SUCCESS) {
+			isc_mem_put(mctx, tsec, sizeof(*tsec));
+			return (result);
+		}
+		tsec->ukey.tsigkey = tsigkey;
+		break;
+	case dns_tsectype_sig0:
+		tsec->ukey.key = key;
+		break;
+	default:
+		INSIST(0);
+	}
+
+	tsec->magic = DNS_TSEC_MAGIC;
+
+	*tsecp = tsec;
+	return (ISC_R_SUCCESS);
+}
+
+void
+dns_tsec_destroy(dns_tsec_t **tsecp) {
+	dns_tsec_t *tsec;
+
+	REQUIRE(tsecp != NULL && *tsecp != NULL);
+	tsec = *tsecp;
+	REQUIRE(DNS_TSEC_VALID(tsec));
+
+	switch (tsec->type) {
+	case dns_tsectype_tsig:
+		dns_tsigkey_detach(&tsec->ukey.tsigkey);
+		break;
+	case dns_tsectype_sig0:
+		dst_key_free(&tsec->ukey.key);
+		break;
+	default:
+		INSIST(0);
+	}
+
+	tsec->magic = 0;
+	isc_mem_put(tsec->mctx, tsec, sizeof(*tsec));
+
+	*tsecp = NULL;
+}
+
+dns_tsectype_t
+dns_tsec_gettype(dns_tsec_t *tsec) {
+	REQUIRE(DNS_TSEC_VALID(tsec));
+
+	return (tsec->type);
+}
+
+void
+dns_tsec_getkey(dns_tsec_t *tsec, void *keyp) {
+	REQUIRE(DNS_TSEC_VALID(tsec));
+	REQUIRE(keyp != NULL);
+
+	switch (tsec->type) {
+	case dns_tsectype_tsig:
+		dns_tsigkey_attach(tsec->ukey.tsigkey, (dns_tsigkey_t **)keyp);
+		break;
+	case dns_tsectype_sig0:
+		*(dst_key_t **)keyp = tsec->ukey.key;
+		break;
+	default:
+		INSIST(0);
+	}
+}
diff --git a/lib/dns/tsig.c b/lib/dns/tsig.c
index 65d32dc..cec5222 100644
--- a/lib/dns/tsig.c
+++ b/lib/dns/tsig.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2008, 2010  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -16,7 +16,7 @@
  */
 
 /*
- * $Id: tsig.c,v 1.136.18.5 2010-12-09 01:12:55 marka Exp $
+ * $Id: tsig.c,v 1.147 2011-01-11 23:47:13 tbox Exp $
  */
 /*! \file */
 #include 
@@ -91,31 +91,6 @@ static dns_name_t gsstsig = {
 };
 LIBDNS_EXTERNAL_DATA dns_name_t *dns_tsig_gssapi_name = &gsstsig;
 
-static void
-remove_fromring(dns_tsigkey_t *tkey) {
-	if (tkey->generated) {
-		ISC_LIST_UNLINK(tkey->ring->lru, tkey, link);
-		tkey->ring->generated--;
-	}
-	(void)dns_rbt_deletename(tkey->ring->keys, &tkey->name, ISC_FALSE);
-}
-
-static void
-adjust_lru(dns_tsigkey_t *tkey) {
-	if (tkey->generated) {
-		RWLOCK(&tkey->ring->lock, isc_rwlocktype_write);
-		/*
-		 * We may have been removed from the LRU list between
-		 * removing the read lock and aquiring the write lock.
-		 */
-		if (ISC_LINK_LINKED(tkey, link)) {
-			ISC_LIST_UNLINK(tkey->ring->lru, tkey, link);
-			ISC_LIST_APPEND(tkey->ring->lru, tkey, link);
-		}
-		RWUNLOCK(&tkey->ring->lock, isc_rwlocktype_write);
-	}
-}
-
 /*
  * Since Microsoft doesn't follow its own standard, we will use this
  * alternate name as a second guess.
@@ -228,8 +203,10 @@ tsig_log(dns_tsigkey_t *key, int level, const char *fmt, ...) {
 	else
 		strcpy(namestr, "");
 
-	if (key != NULL && key->generated)
+	if (key != NULL && key->generated && key->creator)
 		dns_name_format(key->creator, creatorstr, sizeof(creatorstr));
+	else
+		strcpy(creatorstr, "");
 
 	va_start(ap, fmt);
 	vsnprintf(message, sizeof(message), fmt, ap);
@@ -245,6 +222,71 @@ tsig_log(dns_tsigkey_t *key, int level, const char *fmt, ...) {
 			      level, "tsig key '%s': %s", namestr, message);
 }
 
+static void
+remove_fromring(dns_tsigkey_t *tkey) {
+	if (tkey->generated) {
+		ISC_LIST_UNLINK(tkey->ring->lru, tkey, link);
+		tkey->ring->generated--;
+	}
+	(void)dns_rbt_deletename(tkey->ring->keys, &tkey->name, ISC_FALSE);
+}
+
+static void
+adjust_lru(dns_tsigkey_t *tkey) {
+	if (tkey->generated) {
+		RWLOCK(&tkey->ring->lock, isc_rwlocktype_write);
+		/*
+		 * We may have been removed from the LRU list between
+		 * removing the read lock and aquiring the write lock.
+		 */
+		if (ISC_LINK_LINKED(tkey, link)) {
+			ISC_LIST_UNLINK(tkey->ring->lru, tkey, link);
+			ISC_LIST_APPEND(tkey->ring->lru, tkey, link);
+		}
+		RWUNLOCK(&tkey->ring->lock, isc_rwlocktype_write);
+	}
+}
+
+/*
+ * A supplemental routine just to add a key to ring.  Note that reference
+ * counter should be counted separately because we may be adding the key
+ * as part of creation of the key, in which case the reference counter was
+ * already initialized.  Also note we don't need RWLOCK for the reference
+ * counter: it's protected by a separate lock.
+ */
+static isc_result_t
+keyring_add(dns_tsig_keyring_t *ring, dns_name_t *name,
+	    dns_tsigkey_t *tkey)
+{
+	isc_result_t result;
+
+	RWLOCK(&ring->lock, isc_rwlocktype_write);
+	ring->writecount++;
+
+	/*
+	 * Do on the fly cleaning.  Find some nodes we might not
+	 * want around any more.
+	 */
+	if (ring->writecount > 10) {
+		cleanup_ring(ring);
+		ring->writecount = 0;
+	}
+
+	result = dns_rbt_addname(ring->keys, name, tkey);
+	if (tkey->generated) {
+		/*
+		 * Add the new key to the LRU list and remove the least
+		 * recently used key if there are too many keys on the list.
+		 */
+		ISC_LIST_INITANDAPPEND(ring->lru, tkey, link);
+		if (ring->generated++ > ring->maxgenerated)
+			remove_fromring(ISC_LIST_HEAD(ring->lru));
+	}
+	RWUNLOCK(&ring->lock, isc_rwlocktype_write);
+
+	return (result);
+}
+
 isc_result_t
 dns_tsigkey_createfromkey(dns_name_t *name, dns_name_t *algorithm,
 			  dst_key_t *dstkey, isc_boolean_t generated,
@@ -363,7 +405,7 @@ dns_tsigkey_createfromkey(dns_name_t *name, dns_name_t *algorithm,
 	tkey->ring = ring;
 
 	if (key != NULL)
-		refs++;
+		refs = 1;
 	if (ring != NULL)
 		refs++;
 	ret = isc_refcount_init(&tkey->refs, refs);
@@ -379,36 +421,9 @@ dns_tsigkey_createfromkey(dns_name_t *name, dns_name_t *algorithm,
 	tkey->magic = TSIG_MAGIC;
 
 	if (ring != NULL) {
-		RWLOCK(&ring->lock, isc_rwlocktype_write);
-		ring->writecount++;
-
-		/*
-		 * Do on the fly cleaning.  Find some nodes we might not
-		 * want around any more.
-		 */
-		if (ring->writecount > 10) {
-			cleanup_ring(ring);
-			ring->writecount = 0;
-		}
-
-		ret = dns_rbt_addname(ring->keys, name, tkey);
-		if (ret != ISC_R_SUCCESS) {
-			RWUNLOCK(&ring->lock, isc_rwlocktype_write);
+		ret = keyring_add(ring, name, tkey);
+		if (ret != ISC_R_SUCCESS)
 			goto cleanup_refs;
-		}
-
-		if (tkey->generated) {
-			/*
-			 * Add the new key to the LRU list and remove the
-			 * least recently used key if there are too many
-			 * keys on the list.
-			 */
-			ISC_LIST_INITANDAPPEND(ring->lru, tkey, link);
-			if (ring->generated++ > ring->maxgenerated)
-				remove_fromring(ISC_LIST_HEAD(ring->lru));
-		}
-
-		RWUNLOCK(&ring->lock, isc_rwlocktype_write);
 	}
 
 	/*
@@ -424,6 +439,7 @@ dns_tsigkey_createfromkey(dns_name_t *name, dns_name_t *algorithm,
 			      "the key '%s' is too short to be secure",
 			      namestr);
 	}
+
 	if (key != NULL)
 		*key = tkey;
 
@@ -512,6 +528,184 @@ cleanup_ring(dns_tsig_keyring_t *ring)
 	}
 }
 
+static void
+destroyring(dns_tsig_keyring_t *ring) {
+	dns_rbt_destroy(&ring->keys);
+	isc_rwlock_destroy(&ring->lock);
+	isc_mem_putanddetach(&ring->mctx, ring, sizeof(dns_tsig_keyring_t));
+}
+
+static unsigned int
+dst_alg_fromname(dns_name_t *algorithm) {
+	if (dns_name_equal(algorithm, DNS_TSIG_HMACMD5_NAME)) {
+		return (DST_ALG_HMACMD5);
+	} else if (dns_name_equal(algorithm, DNS_TSIG_HMACSHA1_NAME)) {
+		return (DST_ALG_HMACSHA1);
+	} else if (dns_name_equal(algorithm, DNS_TSIG_HMACSHA224_NAME)) {
+		return (DST_ALG_HMACSHA224);
+	} else if (dns_name_equal(algorithm, DNS_TSIG_HMACSHA256_NAME)) {
+		return (DST_ALG_HMACSHA256);
+	} else if (dns_name_equal(algorithm, DNS_TSIG_HMACSHA384_NAME)) {
+		return (DST_ALG_HMACSHA384);
+	} else if (dns_name_equal(algorithm, DNS_TSIG_HMACSHA512_NAME)) {
+		return (DST_ALG_HMACSHA512);
+	} else if (dns_name_equal(algorithm, DNS_TSIG_GSSAPI_NAME)) {
+		return (DST_ALG_GSSAPI);
+	} else if (dns_name_equal(algorithm, DNS_TSIG_GSSAPIMS_NAME)) {
+		return (DST_ALG_GSSAPI);
+	} else
+		return (0);
+}
+
+static isc_result_t
+restore_key(dns_tsig_keyring_t *ring, isc_stdtime_t now, FILE *fp) {
+	dst_key_t *dstkey = NULL;
+	char namestr[1024];
+	char creatorstr[1024];
+	char algorithmstr[1024];
+	char keystr[4096];
+	unsigned int inception, expire;
+	int n;
+	isc_buffer_t b;
+	dns_name_t *name, *creator, *algorithm;
+	dns_fixedname_t fname, fcreator, falgorithm;
+	isc_result_t result;
+	unsigned int dstalg;
+
+	n = fscanf(fp, "%1023s %1023s %u %u %1023s %4095s\n", namestr,
+		   creatorstr, &inception, &expire, algorithmstr, keystr);
+	if (n == EOF)
+		return (ISC_R_NOMORE);
+	if (n != 6)
+		return (ISC_R_FAILURE);
+
+	if (isc_serial_lt(expire, now))
+		return (DNS_R_EXPIRED);
+
+	dns_fixedname_init(&fname);
+	name = dns_fixedname_name(&fname);
+	isc_buffer_init(&b, namestr, strlen(namestr));
+	isc_buffer_add(&b, strlen(namestr));
+	result = dns_name_fromtext(name, &b, dns_rootname, 0, NULL);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+
+	dns_fixedname_init(&fcreator);
+	creator = dns_fixedname_name(&fcreator);
+	isc_buffer_init(&b, creatorstr, strlen(creatorstr));
+	isc_buffer_add(&b, strlen(creatorstr));
+	result = dns_name_fromtext(creator, &b, dns_rootname, 0, NULL);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+
+	dns_fixedname_init(&falgorithm);
+	algorithm = dns_fixedname_name(&falgorithm);
+	isc_buffer_init(&b, algorithmstr, strlen(algorithmstr));
+	isc_buffer_add(&b, strlen(algorithmstr));
+	result = dns_name_fromtext(algorithm, &b, dns_rootname, 0, NULL);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+
+	dstalg = dst_alg_fromname(algorithm);
+	if (dstalg == 0)
+		return (DNS_R_BADALG);
+
+	result = dst_key_restore(name, dstalg, DNS_KEYOWNER_ENTITY,
+				 DNS_KEYPROTO_DNSSEC, dns_rdataclass_in,
+				 ring->mctx, keystr, &dstkey);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+
+	result = dns_tsigkey_createfromkey(name, algorithm, dstkey,
+					   ISC_TRUE, creator, inception,
+					   expire, ring->mctx, ring, NULL);
+	if (result != ISC_R_SUCCESS && dstkey != NULL)
+		dst_key_free(&dstkey);
+	return (result);
+}
+
+static void
+dump_key(dns_tsigkey_t *tkey, FILE *fp)
+{
+	char *buffer = NULL;
+	int length = 0;
+	char namestr[DNS_NAME_FORMATSIZE];
+	char creatorstr[DNS_NAME_FORMATSIZE];
+	char algorithmstr[DNS_NAME_FORMATSIZE];
+	isc_result_t result;
+
+	dns_name_format(&tkey->name, namestr, sizeof(namestr));
+	dns_name_format(tkey->creator, creatorstr, sizeof(creatorstr));
+	dns_name_format(tkey->algorithm, algorithmstr, sizeof(algorithmstr));
+	result = dst_key_dump(tkey->key, tkey->mctx, &buffer, &length);
+	if (result == ISC_R_SUCCESS)
+		fprintf(fp, "%s %s %u %u %s %.*s\n", namestr, creatorstr,
+			tkey->inception, tkey->expire, algorithmstr,
+			length, buffer);
+	if (buffer != NULL)
+		isc_mem_put(tkey->mctx, buffer, length);
+}
+
+isc_result_t
+dns_tsigkeyring_dumpanddetach(dns_tsig_keyring_t **ringp, FILE *fp) {
+	isc_result_t result;
+	dns_rbtnodechain_t chain;
+	dns_name_t foundname;
+	dns_fixedname_t fixedorigin;
+	dns_name_t *origin;
+	isc_stdtime_t now;
+	dns_rbtnode_t *node;
+	dns_tsigkey_t *tkey;
+	dns_tsig_keyring_t *ring;
+	unsigned int references;
+
+	REQUIRE(ringp != NULL && *ringp != NULL);
+
+	ring = *ringp;
+	*ringp = NULL;
+
+	RWLOCK(&ring->lock, isc_rwlocktype_write);
+	INSIST(ring->references > 0);
+	ring->references--;
+	references = ring->references;
+	RWUNLOCK(&ring->lock, isc_rwlocktype_write);
+
+	if (references != 0)
+		return (DNS_R_CONTINUE);
+
+	isc_stdtime_get(&now);
+	dns_name_init(&foundname, NULL);
+	dns_fixedname_init(&fixedorigin);
+	origin = dns_fixedname_name(&fixedorigin);
+	dns_rbtnodechain_init(&chain, ring->mctx);
+	result = dns_rbtnodechain_first(&chain, ring->keys, &foundname,
+					origin);
+	if (result != ISC_R_SUCCESS && result != DNS_R_NEWORIGIN) {
+		dns_rbtnodechain_invalidate(&chain);
+		goto destroy;
+	}
+
+	for (;;) {
+		node = NULL;
+		dns_rbtnodechain_current(&chain, &foundname, origin, &node);
+		tkey = node->data;
+		if (tkey != NULL && tkey->generated && tkey->expire >= now)
+			dump_key(tkey, fp);
+		result = dns_rbtnodechain_next(&chain, &foundname,
+					       origin);
+		if (result != ISC_R_SUCCESS && result != DNS_R_NEWORIGIN) {
+			dns_rbtnodechain_invalidate(&chain);
+			if (result == ISC_R_NOMORE)
+				result = ISC_R_SUCCESS;
+			goto destroy;
+		}
+	}
+
+ destroy:
+	destroyring(ring);
+	return (result);
+}
+
 isc_result_t
 dns_tsigkey_create(dns_name_t *name, dns_name_t *algorithm,
 		   unsigned char *secret, int length, isc_boolean_t generated,
@@ -1589,14 +1783,43 @@ dns_tsigkeyring_create(isc_mem_t *mctx, dns_tsig_keyring_t **ringp) {
 	ring->maxgenerated = DNS_TSIG_MAXGENERATEDKEYS;
 	ISC_LIST_INIT(ring->lru);
 	isc_mem_attach(mctx, &ring->mctx);
+	ring->references = 1;
 
 	*ringp = ring;
 	return (ISC_R_SUCCESS);
 }
 
+isc_result_t
+dns_tsigkeyring_add(dns_tsig_keyring_t *ring, dns_name_t *name,
+		    dns_tsigkey_t *tkey)
+{
+	isc_result_t result;
+
+	result = keyring_add(ring, name, tkey);
+	if (result == ISC_R_SUCCESS)
+		isc_refcount_increment(&tkey->refs, NULL);
+
+	return (result);
+}
+
 void
-dns_tsigkeyring_destroy(dns_tsig_keyring_t **ringp) {
+dns_tsigkeyring_attach(dns_tsig_keyring_t *source, dns_tsig_keyring_t **target)
+{
+	REQUIRE(source != NULL);
+	REQUIRE(target != NULL && *target == NULL);
+
+	RWLOCK(&source->lock, isc_rwlocktype_write);
+	INSIST(source->references > 0);
+	source->references++;
+	INSIST(source->references > 0);
+	*target = source;
+	RWUNLOCK(&source->lock, isc_rwlocktype_write);
+}
+
+void
+dns_tsigkeyring_detach(dns_tsig_keyring_t **ringp) {
 	dns_tsig_keyring_t *ring;
+	unsigned int references;
 
 	REQUIRE(ringp != NULL);
 	REQUIRE(*ringp != NULL);
@@ -1604,7 +1827,27 @@ dns_tsigkeyring_destroy(dns_tsig_keyring_t **ringp) {
 	ring = *ringp;
 	*ringp = NULL;
 
-	dns_rbt_destroy(&ring->keys);
-	isc_rwlock_destroy(&ring->lock);
-	isc_mem_putanddetach(&ring->mctx, ring, sizeof(dns_tsig_keyring_t));
+	RWLOCK(&ring->lock, isc_rwlocktype_write);
+	INSIST(ring->references > 0);
+	ring->references--;
+	references = ring->references;
+	RWUNLOCK(&ring->lock, isc_rwlocktype_write);
+
+	if (references == 0)
+		destroyring(ring);
+}
+
+void
+dns_keyring_restore(dns_tsig_keyring_t *ring, FILE *fp) {
+	isc_stdtime_t now;
+	isc_result_t result;
+
+	isc_stdtime_get(&now);
+	do {
+		result = restore_key(ring, now, fp);
+		if (result == ISC_R_NOMORE)
+			return;
+		if (result == DNS_R_BADALG || result == DNS_R_EXPIRED)
+			result = ISC_R_SUCCESS;
+	} while (result == ISC_R_SUCCESS);
 }
diff --git a/lib/dns/validator.c b/lib/dns/validator.c
index 79c8798..6c0d38d 100644
--- a/lib/dns/validator.c
+++ b/lib/dns/validator.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: validator.c,v 1.164.12.23.4.3 2011-06-21 20:13:23 each Exp $ */
+/* $Id: validator.c,v 1.197.40.3 2011-06-21 20:15:54 each Exp $ */
 
 #include 
 
@@ -28,17 +28,17 @@
 #include 
 
 #include 
-#include 
 #include 
+#include 
 #include 
 #include 
+#include 
 #include 
 #include 
 #include 
 #include 
 #include 
 #include 
-#include 
 #include 
 #include 
 #include 
@@ -255,9 +255,17 @@ dlv_algorithm_supported(dns_validator_t *val) {
 						      dlv.algorithm))
 			continue;
 
+#ifdef HAVE_OPENSSL_GOST
+		if (dlv.digest_type != DNS_DSDIGEST_SHA256 &&
+		    dlv.digest_type != DNS_DSDIGEST_SHA1 &&
+		    dlv.digest_type != DNS_DSDIGEST_GOST)
+			continue;
+#else
 		if (dlv.digest_type != DNS_DSDIGEST_SHA256 &&
 		    dlv.digest_type != DNS_DSDIGEST_SHA1)
 			continue;
+#endif
+
 
 		return (ISC_TRUE);
 	}
@@ -383,7 +391,7 @@ isdelegation(dns_name_t *name, dns_rdataset_t *rdataset,
 }
 
 /*%
- * We have been asked to to look for a key.
+ * We have been asked to look for a key.
  * If found resume the validation process.
  * If not found fail the validation process.
  */
@@ -582,7 +590,8 @@ dsfetched2(isc_task_t *task, isc_event_t *event) {
 		if (isdelegation(tname, &val->frdataset, eresult)) {
 			if (val->mustbesecure) {
 				validator_log(val, ISC_LOG_WARNING,
-					      "must be secure failure");
+					      "must be secure failure, no DS"
+					      " and this is a delegation");
 				validator_done(val, DNS_R_MUSTBESECURE);
 			} else if (val->view->dlv == NULL || DLVTRIED(val)) {
 				markanswer(val, "dsfetched2");
@@ -1089,7 +1098,7 @@ nsec3noexistnodata(dns_validator_t *val, dns_name_t* name,
 			if (ns && !soa) {
 				if (!atparent) {
 					/*
-					 * This NSEC record is from somewhere
+					 * This NSEC3 record is from somewhere
 					 * higher in the DNS, and at the
 					 * parent of a delegation. It can not
 					 * be legitimately used here.
@@ -1100,7 +1109,7 @@ nsec3noexistnodata(dns_validator_t *val, dns_name_t* name,
 				}
 			} else if (atparent && ns && soa) {
 				/*
-				 * This NSEC record is from the child.
+				 * This NSEC3 record is from the child.
 				 * It can not be legitimately used here.
 				 */
 				validator_log(val, ISC_LOG_DEBUG(3),
@@ -1505,8 +1514,11 @@ create_fetch(dns_validator_t *val, dns_name_t *name, dns_rdatatype_t type,
 	if (dns_rdataset_isassociated(&val->fsigrdataset))
 		dns_rdataset_disassociate(&val->fsigrdataset);
 
-	if (check_deadlock(val, name, type, NULL, NULL))
+	if (check_deadlock(val, name, type, NULL, NULL)) {
+		validator_log(val, ISC_LOG_DEBUG(3),
+			      "deadlock found (create_fetch)");
 		return (DNS_R_NOVALIDSIG);
+	}
 
 	validator_logcreate(val, name, type, caller, "fetch");
 	return (dns_resolver_createfetch(val->view->resolver, name, type,
@@ -1528,8 +1540,11 @@ create_validator(dns_validator_t *val, dns_name_t *name, dns_rdatatype_t type,
 {
 	isc_result_t result;
 
-	if (check_deadlock(val, name, type, rdataset, sigrdataset))
+	if (check_deadlock(val, name, type, rdataset, sigrdataset)) {
+		validator_log(val, ISC_LOG_DEBUG(3),
+			      "deadlock found (create_validator)");
 		return (DNS_R_NOVALIDSIG);
+	}
 
 	validator_logcreate(val, name, type, caller, "validator");
 	result = dns_validator_create(val->view, name, type,
@@ -1768,16 +1783,23 @@ compute_keytag(dns_rdata_t *rdata, dns_rdata_dnskey_t *key) {
  */
 static isc_boolean_t
 isselfsigned(dns_validator_t *val) {
+	dns_fixedname_t fixed;
 	dns_rdataset_t *rdataset, *sigrdataset;
 	dns_rdata_t rdata = DNS_RDATA_INIT;
 	dns_rdata_t sigrdata = DNS_RDATA_INIT;
 	dns_rdata_dnskey_t key;
 	dns_rdata_rrsig_t sig;
 	dns_keytag_t keytag;
+	dns_name_t *name;
 	isc_result_t result;
+	dst_key_t *dstkey;
+	isc_mem_t *mctx;
+	isc_boolean_t answer = ISC_FALSE;
 
 	rdataset = val->event->rdataset;
 	sigrdataset = val->event->sigrdataset;
+	name = val->event->name;
+	mctx = val->view->mctx;
 
 	INSIST(rdataset->type == dns_rdatatype_dnskey);
 
@@ -1799,12 +1821,31 @@ isselfsigned(dns_validator_t *val) {
 			result = dns_rdata_tostruct(&sigrdata, &sig, NULL);
 			RUNTIME_CHECK(result == ISC_R_SUCCESS);
 
-			if (sig.algorithm == key.algorithm &&
-			    sig.keyid == keytag)
-				return (ISC_TRUE);
+			if (sig.algorithm != key.algorithm ||
+			    sig.keyid != keytag ||
+			    !dns_name_equal(name, &sig.signer))
+				continue;
+
+			dstkey = NULL;
+			result = dns_dnssec_keyfromrdata(name, &rdata, mctx,
+							 &dstkey);
+			if (result != ISC_R_SUCCESS)
+				continue;
+
+			result = dns_dnssec_verify2(name, rdataset, dstkey,
+						    ISC_TRUE, mctx, &sigrdata,
+						    dns_fixedname_name(&fixed));
+			dst_key_free(&dstkey);
+			if (result != ISC_R_SUCCESS)
+				continue;
+			if ((key.flags & DNS_KEYFLAG_REVOKE) == 0) {
+				answer = ISC_TRUE;
+				continue;
+			}
+			dns_view_untrust(val->view, name, &key, mctx);
 		}
 	}
-	return (ISC_FALSE);
+	return (answer);
 }
 
 /*%
@@ -1946,6 +1987,8 @@ validate(dns_validator_t *val, isc_boolean_t resume) {
 					break;
 				}
 				val->key = dns_keynode_key(val->keynode);
+				if (val->key == NULL)
+					break;
 			} else {
 				if (get_dst_key(val, val->siginfo, val->keyset)
 				    != ISC_R_SUCCESS)
@@ -1962,8 +2005,6 @@ validate(dns_validator_t *val, isc_boolean_t resume) {
 			isc_stdtime_get(&now);
 			ttl = ISC_MIN(event->rdataset->ttl,
 				      val->siginfo->timeexpire - now);
-			if (val->keyset != NULL)
-				ttl = ISC_MIN(ttl, val->keyset->ttl);
 			event->rdataset->ttl = ttl;
 			event->sigrdataset->ttl = ttl;
 		}
@@ -1992,7 +2033,8 @@ validate(dns_validator_t *val, isc_boolean_t resume) {
 		} else if (result == ISC_R_SUCCESS) {
 			marksecure(event);
 			validator_log(val, ISC_LOG_DEBUG(3),
-				      "marking as secure");
+				      "marking as secure, "
+				      "noqname proof not needed");
 			return (result);
 		} else {
 			validator_log(val, ISC_LOG_DEBUG(3),
@@ -2013,25 +2055,102 @@ validate(dns_validator_t *val, isc_boolean_t resume) {
 }
 
 /*%
+ * Check whether this DNSKEY (keyrdata) signed the DNSKEY RRset
+ * (val->event->rdataset).
+ */
+static isc_result_t
+checkkey(dns_validator_t *val, dns_rdata_t *keyrdata, isc_uint16_t keyid,
+	 dns_secalg_t algorithm)
+{
+	dns_rdata_rrsig_t sig;
+	dst_key_t *dstkey = NULL;
+	isc_result_t result;
+
+	for (result = dns_rdataset_first(val->event->sigrdataset);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rdataset_next(val->event->sigrdataset))
+	{
+		dns_rdata_t rdata = DNS_RDATA_INIT;
+
+		dns_rdataset_current(val->event->sigrdataset, &rdata);
+		result = dns_rdata_tostruct(&rdata, &sig, NULL);
+		RUNTIME_CHECK(result == ISC_R_SUCCESS);
+		if (keyid != sig.keyid || algorithm != sig.algorithm)
+			continue;
+		if (dstkey == NULL) {
+			result = dns_dnssec_keyfromrdata(val->event->name,
+							 keyrdata,
+							 val->view->mctx,
+							 &dstkey);
+			if (result != ISC_R_SUCCESS)
+				/*
+				 * This really shouldn't happen, but...
+				 */
+				continue;
+		}
+		result = verify(val, dstkey, &rdata, sig.keyid);
+		if (result == ISC_R_SUCCESS)
+			break;
+	}
+	if (dstkey != NULL)
+		dst_key_free(&dstkey);
+	return (result);
+}
+
+/*%
+ * Find the DNSKEY that corresponds to the DS.
+ */
+static isc_result_t
+keyfromds(dns_validator_t *val, dns_rdataset_t *rdataset, dns_rdata_t *dsrdata,
+	  isc_uint8_t digest, isc_uint16_t keyid, dns_secalg_t algorithm,
+	  dns_rdata_t *keyrdata)
+{
+	dns_keytag_t keytag;
+	dns_rdata_dnskey_t key;
+	isc_result_t result;
+	unsigned char dsbuf[DNS_DS_BUFFERSIZE];
+
+	for (result = dns_rdataset_first(rdataset);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rdataset_next(rdataset))
+	{
+		dns_rdata_t newdsrdata = DNS_RDATA_INIT;
+
+		dns_rdata_reset(keyrdata);
+		dns_rdataset_current(rdataset, keyrdata);
+		result = dns_rdata_tostruct(keyrdata, &key, NULL);
+		RUNTIME_CHECK(result == ISC_R_SUCCESS);
+		keytag = compute_keytag(keyrdata, &key);
+		if (keyid != keytag || algorithm != key.algorithm)
+			continue;
+		dns_rdata_reset(&newdsrdata);
+		result = dns_ds_buildrdata(val->event->name, keyrdata, digest,
+					   dsbuf, &newdsrdata);
+		if (result != ISC_R_SUCCESS) {
+			validator_log(val, ISC_LOG_DEBUG(3),
+				      "dns_ds_buildrdata() -> %s",
+				      dns_result_totext(result));
+			continue;
+		}
+		if (dns_rdata_compare(dsrdata, &newdsrdata) == 0)
+			break;
+	}
+	return (result);
+}
+
+/*%
  * Validate the DNSKEY RRset by looking for a DNSKEY that matches a
  * DLV record and that also verifies the DNSKEY RRset.
  */
 static isc_result_t
 dlv_validatezonekey(dns_validator_t *val) {
-	dns_keytag_t keytag;
 	dns_rdata_dlv_t dlv;
-	dns_rdata_dnskey_t key;
-	dns_rdata_rrsig_t sig;
 	dns_rdata_t dlvrdata = DNS_RDATA_INIT;
 	dns_rdata_t keyrdata = DNS_RDATA_INIT;
-	dns_rdata_t newdsrdata = DNS_RDATA_INIT;
-	dns_rdata_t sigrdata = DNS_RDATA_INIT;
 	dns_rdataset_t trdataset;
-	dst_key_t *dstkey;
 	isc_boolean_t supported_algorithm;
 	isc_result_t result;
-	unsigned char dsbuf[DNS_DS_BUFFERSIZE];
-	isc_uint8_t digest_type;
+	char digest_types[256];
 
 	validator_log(val, ISC_LOG_DEBUG(3), "dlv_validatezonekey");
 
@@ -2048,7 +2167,7 @@ dlv_validatezonekey(dns_validator_t *val) {
 	 * need to ignore DNS_DSDIGEST_SHA1 if a DNS_DSDIGEST_SHA256
 	 * is present.
 	 */
-	digest_type = DNS_DSDIGEST_SHA1;
+	memset(digest_types, 1, sizeof(digest_types));
 	for (result = dns_rdataset_first(&val->dlv);
 	     result == ISC_R_SUCCESS;
 	     result = dns_rdataset_next(&val->dlv)) {
@@ -2064,7 +2183,7 @@ dlv_validatezonekey(dns_validator_t *val) {
 
 		if (dlv.digest_type == DNS_DSDIGEST_SHA256 &&
 		    dlv.length == ISC_SHA256_DIGESTLENGTH) {
-			digest_type = DNS_DSDIGEST_SHA256;
+			digest_types[DNS_DSDIGEST_SHA1] = 0;
 			break;
 		}
 	}
@@ -2082,7 +2201,7 @@ dlv_validatezonekey(dns_validator_t *val) {
 						   dlv.digest_type))
 			continue;
 
-		if (dlv.digest_type != digest_type)
+		if (digest_types[dlv.digest_type] == 0)
 			continue;
 
 		if (!dns_resolver_algorithm_supported(val->view->resolver,
@@ -2095,70 +2214,27 @@ dlv_validatezonekey(dns_validator_t *val) {
 		dns_rdataset_init(&trdataset);
 		dns_rdataset_clone(val->event->rdataset, &trdataset);
 
-		for (result = dns_rdataset_first(&trdataset);
-		     result == ISC_R_SUCCESS;
-		     result = dns_rdataset_next(&trdataset))
-		{
-			dns_rdata_reset(&keyrdata);
-			dns_rdataset_current(&trdataset, &keyrdata);
-			result = dns_rdata_tostruct(&keyrdata, &key, NULL);
-			RUNTIME_CHECK(result == ISC_R_SUCCESS);
-			keytag = compute_keytag(&keyrdata, &key);
-			if (dlv.key_tag != keytag ||
-			    dlv.algorithm != key.algorithm)
-				continue;
-			dns_rdata_reset(&newdsrdata);
-			result = dns_ds_buildrdata(val->event->name,
-						   &keyrdata, dlv.digest_type,
-						   dsbuf, &newdsrdata);
-			if (result != ISC_R_SUCCESS) {
-				validator_log(val, ISC_LOG_DEBUG(3),
-					      "dns_ds_buildrdata() -> %s",
-					      dns_result_totext(result));
-				continue;
-			}
-			/* Covert to DLV */
-			newdsrdata.type = dns_rdatatype_dlv;
-			if (dns_rdata_compare(&dlvrdata, &newdsrdata) == 0)
-				break;
-		}
+		/*
+		 * Convert to DLV to DS and find matching DNSKEY.
+		 */
+		dlvrdata.type = dns_rdatatype_ds;
+		result = keyfromds(val, &trdataset, &dlvrdata,
+				   dlv.digest_type, dlv.key_tag,
+				   dlv.algorithm, &keyrdata);
 		if (result != ISC_R_SUCCESS) {
 			dns_rdataset_disassociate(&trdataset);
 			validator_log(val, ISC_LOG_DEBUG(3),
 				      "no DNSKEY matching DLV");
 			continue;
 		}
+
 		validator_log(val, ISC_LOG_DEBUG(3),
 		      "Found matching DLV record: checking for signature");
+		/*
+		 * Check that this DNSKEY signed the DNSKEY rrset.
+		 */
+		result = checkkey(val, &keyrdata, dlv.key_tag, dlv.algorithm);
 
-		for (result = dns_rdataset_first(val->event->sigrdataset);
-		     result == ISC_R_SUCCESS;
-		     result = dns_rdataset_next(val->event->sigrdataset))
-		{
-			dns_rdata_reset(&sigrdata);
-			dns_rdataset_current(val->event->sigrdataset,
-					     &sigrdata);
-			result = dns_rdata_tostruct(&sigrdata, &sig, NULL);
-			RUNTIME_CHECK(result == ISC_R_SUCCESS);
-			if (dlv.key_tag != sig.keyid ||
-			    dlv.algorithm != sig.algorithm)
-				continue;
-			dstkey = NULL;
-			result = dns_dnssec_keyfromrdata(val->event->name,
-							 &keyrdata,
-							 val->view->mctx,
-							 &dstkey);
-			if (result != ISC_R_SUCCESS)
-				/*
-				 * This really shouldn't happen, but...
-				 */
-				continue;
-
-			result = verify(val, dstkey, &sigrdata, sig.keyid);
-			dst_key_free(&dstkey);
-			if (result == ISC_R_SUCCESS)
-				break;
-		}
 		dns_rdataset_disassociate(&trdataset);
 		if (result == ISC_R_SUCCESS)
 			break;
@@ -2167,12 +2243,13 @@ dlv_validatezonekey(dns_validator_t *val) {
 	}
 	if (result == ISC_R_SUCCESS) {
 		marksecure(val->event);
-		validator_log(val, ISC_LOG_DEBUG(3), "marking as secure");
+		validator_log(val, ISC_LOG_DEBUG(3), "marking as secure (dlv)");
 		return (result);
 	} else if (result == ISC_R_NOMORE && !supported_algorithm) {
 		if (val->mustbesecure) {
 			validator_log(val, ISC_LOG_WARNING,
-				      "must be secure failure");
+				      "must be secure failure,"
+				      "no supported algorithm/digest (dlv)");
 			return (DNS_R_MUSTBESECURE);
 		}
 		validator_log(val, ISC_LOG_DEBUG(3),
@@ -2184,7 +2261,8 @@ dlv_validatezonekey(dns_validator_t *val) {
 }
 
 /*%
- * Attempts positive response validation of an RRset containing zone keys.
+ * Attempts positive response validation of an RRset containing zone keys
+ * (i.e. a DNSKEY rrset).
  *
  * Returns:
  * \li	ISC_R_SUCCESS	Validation completed successfully
@@ -2198,19 +2276,15 @@ validatezonekey(dns_validator_t *val) {
 	dns_validatorevent_t *event;
 	dns_rdataset_t trdataset;
 	dns_rdata_t dsrdata = DNS_RDATA_INIT;
-	dns_rdata_t newdsrdata = DNS_RDATA_INIT;
 	dns_rdata_t keyrdata = DNS_RDATA_INIT;
 	dns_rdata_t sigrdata = DNS_RDATA_INIT;
-	unsigned char dsbuf[DNS_DS_BUFFERSIZE];
 	char namebuf[DNS_NAME_FORMATSIZE];
-	dns_keytag_t keytag;
 	dns_rdata_ds_t ds;
-	dns_rdata_dnskey_t key;
 	dns_rdata_rrsig_t sig;
 	dst_key_t *dstkey;
 	isc_boolean_t supported_algorithm;
 	isc_boolean_t atsep = ISC_FALSE;
-	isc_uint8_t digest_type;
+	char digest_types[256];
 
 	/*
 	 * Caller must be holding the validator lock.
@@ -2259,8 +2333,7 @@ validatezonekey(dns_validator_t *val) {
 			result = dns_keytable_findkeynode(val->keytable,
 							  val->event->name,
 							  sig.algorithm,
-							  sig.keyid,
-							  &keynode);
+							  sig.keyid, &keynode);
 			if (result == ISC_R_NOTFOUND &&
 			    dns_keytable_finddeepestmatch(val->keytable,
 				  val->event->name, found) != ISC_R_SUCCESS) {
@@ -2284,11 +2357,18 @@ validatezonekey(dns_validator_t *val) {
 			while (result == ISC_R_SUCCESS) {
 				dns_keynode_t *nextnode = NULL;
 				dstkey = dns_keynode_key(keynode);
+				if (dstkey == NULL) {
+					dns_keytable_detachkeynode(
+								val->keytable,
+								&keynode);
+					break;
+				}
 				result = verify(val, dstkey, &sigrdata,
 						sig.keyid);
 				if (result == ISC_R_SUCCESS) {
-					dns_keytable_detachkeynode(val->keytable,
-								   &keynode);
+					dns_keytable_detachkeynode(
+								val->keytable,
+								&keynode);
 					break;
 				}
 				result = dns_keytable_findnextkeynode(
@@ -2318,8 +2398,8 @@ validatezonekey(dns_validator_t *val) {
 					sizeof(namebuf));
 			validator_log(val, ISC_LOG_NOTICE,
 				      "unable to find a DNSKEY which verifies "
-				      "the DNSKEY RRset and also matches one "
-				      "of specified trusted-keys for '%s'",
+				      "the DNSKEY RRset and also matches a "
+				      "trusted key for '%s'",
 				      namebuf);
 			validator_log(val, ISC_LOG_NOTICE,
 				      "please check the 'trusted-keys' for "
@@ -2413,7 +2493,8 @@ validatezonekey(dns_validator_t *val) {
 	if (val->dsset->trust < dns_trust_secure) {
 		if (val->mustbesecure) {
 			validator_log(val, ISC_LOG_WARNING,
-				      "must be secure failure");
+				      "must be secure failure,"
+				      " insecure DS");
 			return (DNS_R_MUSTBESECURE);
 		}
 		if (val->view->dlv == NULL || DLVTRIED(val)) {
@@ -2437,7 +2518,7 @@ validatezonekey(dns_validator_t *val) {
 	 * need to ignore DNS_DSDIGEST_SHA1 if a DNS_DSDIGEST_SHA256
 	 * is present.
 	 */
-	digest_type = DNS_DSDIGEST_SHA1;
+	memset(digest_types, 1, sizeof(digest_types));
 	for (result = dns_rdataset_first(val->dsset);
 	     result == ISC_R_SUCCESS;
 	     result = dns_rdataset_next(val->dsset)) {
@@ -2453,7 +2534,7 @@ validatezonekey(dns_validator_t *val) {
 
 		if (ds.digest_type == DNS_DSDIGEST_SHA256 &&
 		    ds.length == ISC_SHA256_DIGESTLENGTH) {
-			digest_type = DNS_DSDIGEST_SHA256;
+			digest_types[DNS_DSDIGEST_SHA1] = 0;
 			break;
 		}
 	}
@@ -2471,7 +2552,7 @@ validatezonekey(dns_validator_t *val) {
 						   ds.digest_type))
 			continue;
 
-		if (ds.digest_type != digest_type)
+		if (digest_types[ds.digest_type] == 0)
 			continue;
 
 		if (!dns_resolver_algorithm_supported(val->view->resolver,
@@ -2485,29 +2566,10 @@ validatezonekey(dns_validator_t *val) {
 		dns_rdataset_clone(val->event->rdataset, &trdataset);
 
 		/*
-		 * Look for the KEY that matches the DS record.
+		 * Find matching DNSKEY from DS.
 		 */
-		for (result = dns_rdataset_first(&trdataset);
-		     result == ISC_R_SUCCESS;
-		     result = dns_rdataset_next(&trdataset))
-		{
-			dns_rdata_reset(&keyrdata);
-			dns_rdataset_current(&trdataset, &keyrdata);
-			result = dns_rdata_tostruct(&keyrdata, &key, NULL);
-			RUNTIME_CHECK(result == ISC_R_SUCCESS);
-			keytag = compute_keytag(&keyrdata, &key);
-			if (ds.key_tag != keytag ||
-			    ds.algorithm != key.algorithm)
-				continue;
-			dns_rdata_reset(&newdsrdata);
-			result = dns_ds_buildrdata(val->event->name,
-						   &keyrdata, ds.digest_type,
-						   dsbuf, &newdsrdata);
-			if (result != ISC_R_SUCCESS)
-				continue;
-			if (dns_rdata_compare(&dsrdata, &newdsrdata) == 0)
-				break;
-		}
+		result = keyfromds(val, &trdataset, &dsrdata, ds.digest_type,
+				   ds.key_tag, ds.algorithm, &keyrdata);
 		if (result != ISC_R_SUCCESS) {
 			dns_rdataset_disassociate(&trdataset);
 			validator_log(val, ISC_LOG_DEBUG(3),
@@ -2515,38 +2577,11 @@ validatezonekey(dns_validator_t *val) {
 			continue;
 		}
 
-		for (result = dns_rdataset_first(val->event->sigrdataset);
-		     result == ISC_R_SUCCESS;
-		     result = dns_rdataset_next(val->event->sigrdataset))
-		{
-			dns_rdata_reset(&sigrdata);
-			dns_rdataset_current(val->event->sigrdataset,
-					     &sigrdata);
-			result = dns_rdata_tostruct(&sigrdata, &sig, NULL);
-			RUNTIME_CHECK(result == ISC_R_SUCCESS);
-			if (ds.key_tag != sig.keyid ||
-			    ds.algorithm != sig.algorithm)
-				continue;
-			if (!dns_name_equal(val->event->name, &sig.signer)) {
-				validator_log(val, ISC_LOG_DEBUG(3),
-					      "DNSKEY signer mismatch");
-				continue;
-			}
-			dstkey = NULL;
-			result = dns_dnssec_keyfromrdata(val->event->name,
-							 &keyrdata,
-							 val->view->mctx,
-							 &dstkey);
-			if (result != ISC_R_SUCCESS)
-				/*
-				 * This really shouldn't happen, but...
-				 */
-				continue;
-			result = verify(val, dstkey, &sigrdata, sig.keyid);
-			dst_key_free(&dstkey);
-			if (result == ISC_R_SUCCESS)
-				break;
-		}
+		/*
+		 * Check that this DNSKEY signed the DNSKEY rrset.
+		 */
+		result = checkkey(val, &keyrdata, ds.key_tag, ds.algorithm);
+
 		dns_rdataset_disassociate(&trdataset);
 		if (result == ISC_R_SUCCESS)
 			break;
@@ -2555,20 +2590,24 @@ validatezonekey(dns_validator_t *val) {
 	}
 	if (result == ISC_R_SUCCESS) {
 		marksecure(event);
-		validator_log(val, ISC_LOG_DEBUG(3), "marking as secure");
+		validator_log(val, ISC_LOG_DEBUG(3), "marking as secure (DS)");
 		return (result);
 	} else if (result == ISC_R_NOMORE && !supported_algorithm) {
 		if (val->mustbesecure) {
 			validator_log(val, ISC_LOG_WARNING,
-				      "must be secure failure");
+				      "must be secure failure, "
+				      "no supported algorithm/digest (DS)");
 			return (DNS_R_MUSTBESECURE);
 		}
 		validator_log(val, ISC_LOG_DEBUG(3),
 			      "no supported algorithm/digest (DS)");
 		markanswer(val, "validatezonekey (3)");
 		return (ISC_R_SUCCESS);
-	} else
+	} else {
+		validator_log(val, ISC_LOG_INFO,
+			      "no valid signature found (DS)");
 		return (DNS_R_NOVALIDSIG);
+	}
 }
 
 /*%
@@ -3094,9 +3133,7 @@ nsecvalidate(dns_validator_t *val, isc_boolean_t resume) {
 			findnsec3proofs(val);
 		if (FOUNDNOQNAME(val) && FOUNDCLOSEST(val)) {
 			validator_log(val, ISC_LOG_DEBUG(3),
-				      "noqname proof found");
-			validator_log(val, ISC_LOG_DEBUG(3),
-				      "marking as secure");
+				      "marking as secure, noqname proof found");
 			marksecure(val->event);
 			return (ISC_R_SUCCESS);
 		} else if (FOUNDOPTOUT(val) &&
@@ -3143,7 +3180,6 @@ nsecvalidate(dns_validator_t *val, isc_boolean_t resume) {
 			marksecure(val->event);
 		return (ISC_R_SUCCESS);
 	}
-		findnsec3proofs(val);
 
 	if (val->authfail != 0 && val->authcount == val->authfail)
 		return (DNS_R_BROKENCHAIN);
@@ -3345,7 +3381,8 @@ startfinddlvsep(dns_validator_t *val, dns_name_t *unsecure) {
 		      namebuf);
 
 	if (dns_name_issubdomain(val->event->name, val->view->dlv)) {
-		validator_log(val, ISC_LOG_WARNING, "must be secure failure");
+		validator_log(val, ISC_LOG_WARNING, "must be secure failure, "
+			      " %s is under DLV (startfinddlvsep)", namebuf);
 		return (DNS_R_MUSTBESECURE);
 	}
 
@@ -3397,10 +3434,12 @@ finddlvsep(dns_validator_t *val, isc_boolean_t resume) {
 	INSIST(val->view->dlv != NULL);
 
 	if (!resume) {
-
 		if (dns_name_issubdomain(val->event->name, val->view->dlv)) {
+			dns_name_format(val->event->name, namebuf,
+					sizeof(namebuf));
 			validator_log(val, ISC_LOG_WARNING,
-				      "must be secure failure");
+				      "must be secure failure, "
+				      "%s is under DLV (finddlvsep)", namebuf);
 			return (DNS_R_MUSTBESECURE);
 		}
 
@@ -3468,8 +3507,11 @@ finddlvsep(dns_validator_t *val, isc_boolean_t resume) {
 					return (result);
 				return (DNS_R_WAIT);
 			}
-			if (val->frdataset.trust < dns_trust_secure)
+			if (val->frdataset.trust < dns_trust_secure) {
+				validator_log(val, ISC_LOG_DEBUG(3),
+					      "DLV not validated");
 				return (DNS_R_NOVALIDSIG);
+			}
 			val->havedlvsep = ISC_TRUE;
 			dns_rdataset_clone(&val->frdataset, &val->dlv);
 			return (ISC_R_SUCCESS);
@@ -3554,10 +3596,13 @@ proveunsecure(dns_validator_t *val, isc_boolean_t have_ds, isc_boolean_t resume)
 		if (result == ISC_R_NOTFOUND) {
 			if (val->mustbesecure) {
 				validator_log(val, ISC_LOG_WARNING,
-					      "must be secure failure");
+					      "must be secure failure, "
+					      "not beneath secure root");
 				result = DNS_R_MUSTBESECURE;
 				goto out;
-			}
+			} else
+				validator_log(val, ISC_LOG_DEBUG(3),
+					      "not beneath secure root");
 			if (val->view->dlv == NULL || DLVTRIED(val)) {
 				markanswer(val, "proveunsecure (1)");
 				return (ISC_R_SUCCESS);
@@ -3577,7 +3622,7 @@ proveunsecure(dns_validator_t *val, isc_boolean_t have_ds, isc_boolean_t resume)
 		/*
 		 * If we have a DS rdataset and it is secure then check if
 		 * the DS rdataset has a supported algorithm combination.
-		 * If not this is a insecure delegation as far as this
+		 * If not this is an insecure delegation as far as this
 		 * resolver is concerned.  Fall back to DLV if available.
 		 */
 		if (have_ds && val->frdataset.trust >= dns_trust_secure &&
@@ -3588,7 +3633,8 @@ proveunsecure(dns_validator_t *val, isc_boolean_t have_ds, isc_boolean_t resume)
 			if ((val->view->dlv == NULL || DLVTRIED(val)) &&
 			    val->mustbesecure) {
 				validator_log(val, ISC_LOG_WARNING,
-					      "must be secure failure at '%s'",
+					      "must be secure failure at '%s', "
+					      "can't fall back to DLV",
 					      namebuf);
 				result = DNS_R_MUSTBESECURE;
 				goto out;
@@ -3630,7 +3676,7 @@ proveunsecure(dns_validator_t *val, isc_boolean_t have_ds, isc_boolean_t resume)
 		if (result == DNS_R_NXRRSET || result == DNS_R_NCACHENXRRSET) {
 			/*
 			 * There is no DS.  If this is a delegation,
-			 * we maybe done.
+			 * we may be done.
 			 */
 			/*
 			 * If we have "trust == answer" then this namespace
@@ -3643,7 +3689,7 @@ proveunsecure(dns_validator_t *val, isc_boolean_t have_ds, isc_boolean_t resume)
 							  &val->frdataset,
 							  NULL, dsvalidated,
 							  "proveunsecure");
-				 if (result != ISC_R_SUCCESS)
+				if (result != ISC_R_SUCCESS)
 					goto out;
 				return (DNS_R_WAIT);
 			}
@@ -3655,12 +3701,13 @@ proveunsecure(dns_validator_t *val, isc_boolean_t have_ds, isc_boolean_t resume)
 			if (result == DNS_R_NXRRSET &&
 			    !dns_rdataset_isassociated(&val->frdataset) &&
 			    dns_view_findzonecut2(val->view, tname, found,
-						  0, 0, ISC_FALSE, ISC_FALSE,
-						  NULL, NULL) == ISC_R_SUCCESS &&
+						 0, 0, ISC_FALSE, ISC_FALSE,
+						 NULL, NULL) == ISC_R_SUCCESS &&
 			    dns_name_equal(tname, found)) {
 				if (val->mustbesecure) {
 					validator_log(val, ISC_LOG_WARNING,
-						      "must be secure failure");
+						      "must be secure failure, "
+						      "no DS at zone cut");
 					return (DNS_R_MUSTBESECURE);
 				}
 				if (val->view->dlv == NULL || DLVTRIED(val)) {
@@ -3676,13 +3723,18 @@ proveunsecure(dns_validator_t *val, isc_boolean_t have_ds, isc_boolean_t resume)
 				 * there's no way of validating existing
 				 * negative response blobs, give up.
 				 */
+				validator_log(val, ISC_LOG_WARNING,
+					      "can't validate existing "
+					      "negative responses (no DS)");
 				result = DNS_R_NOVALIDSIG;
 				goto out;
 			}
 			if (isdelegation(tname, &val->frdataset, result)) {
 				if (val->mustbesecure) {
 					validator_log(val, ISC_LOG_WARNING,
-						      "must be secure failure");
+						      "must be secure failure, "
+						      "%s is a delegation",
+						      namebuf);
 					return (DNS_R_MUSTBESECURE);
 				}
 				if (val->view->dlv == NULL || DLVTRIED(val)) {
@@ -3705,7 +3757,10 @@ proveunsecure(dns_validator_t *val, isc_boolean_t have_ds, isc_boolean_t resume)
 					if (val->mustbesecure) {
 						validator_log(val,
 							      ISC_LOG_WARNING,
-						      "must be secure failure");
+						      "must be secure failure, "
+						      "no supported algorithm/"
+						      "digest (%s/DS)",
+						      namebuf);
 						result = DNS_R_MUSTBESECURE;
 						goto out;
 					}
@@ -3723,6 +3778,8 @@ proveunsecure(dns_validator_t *val, isc_boolean_t have_ds, isc_boolean_t resume)
 			}
 			else if (!dns_rdataset_isassociated(&val->fsigrdataset))
 			{
+				validator_log(val, ISC_LOG_DEBUG(3),
+					      "DS is unsigned");
 				result = DNS_R_NOVALIDSIG;
 				goto out;
 			}
@@ -3771,6 +3828,10 @@ proveunsecure(dns_validator_t *val, isc_boolean_t have_ds, isc_boolean_t resume)
 				 * there's no way of validating existing
 				 * negative response blobs, give up.
 				 */
+				validator_log(val, ISC_LOG_WARNING,
+					      "can't validate existing "
+					      "negative responses "
+					      "(not a zone cut)");
 				result = DNS_R_NOVALIDSIG;
 				goto out;
 			}
@@ -3790,7 +3851,7 @@ proveunsecure(dns_validator_t *val, isc_boolean_t have_ds, isc_boolean_t resume)
 
 	/* Couldn't complete insecurity proof */
 	validator_log(val, ISC_LOG_DEBUG(3), "insecurity proof failed");
-	return (DNS_R_NOTINSECURE); /* Couldn't complete insecurity proof */
+	return (DNS_R_NOTINSECURE);
 
  out:
 	if (dns_rdataset_isassociated(&val->frdataset))
@@ -3829,7 +3890,7 @@ dlv_validator_start(dns_validator_t *val) {
  * \li	3. a negative answer (secure or unsecure).
  *
  * Note a answer that appears to be a secure positive answer may actually
- * be a unsecure positive answer.
+ * be an unsecure positive answer.
  */
 static void
 validator_start(isc_task_t *task, isc_event_t *event) {
@@ -3895,6 +3956,10 @@ validator_start(isc_task_t *task, isc_event_t *event) {
 
 		val->attributes |= VALATTR_INSECURITY;
 		result = proveunsecure(val, ISC_FALSE, ISC_FALSE);
+		if (result == DNS_R_NOTINSECURE)
+			validator_log(val, ISC_LOG_INFO,
+				      "got insecure response; "
+				      "parent indicates it should be secure");
 	} else if (val->event->rdataset == NULL &&
 		   val->event->sigrdataset == NULL)
 	{
@@ -3967,6 +4032,7 @@ dns_validator_create(dns_view_t *view, dns_name_t *name, dns_rdatatype_t type,
 		return (ISC_R_NOMEMORY);
 	val->view = NULL;
 	dns_view_weakattach(view, &val->view);
+
 	event = (dns_validatorevent_t *)
 		isc_event_allocate(view->mctx, task,
 				   DNS_EVENT_VALIDATORSTART,
@@ -3995,8 +4061,12 @@ dns_validator_create(dns_view_t *view, dns_name_t *name, dns_rdatatype_t type,
 	val->fetch = NULL;
 	val->subvalidator = NULL;
 	val->parent = NULL;
+
 	val->keytable = NULL;
-	dns_keytable_attach(val->view->secroots, &val->keytable);
+	result = dns_view_getsecroots(val->view, &val->keytable);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+
 	val->keynode = NULL;
 	val->key = NULL;
 	val->siginfo = NULL;
diff --git a/lib/dns/view.c b/lib/dns/view.c
index 809cc15..24f925a 100644
--- a/lib/dns/view.c
+++ b/lib/dns/view.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2010  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,13 +15,16 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: view.c,v 1.150.84.6 2010-09-24 08:09:08 marka Exp $ */
+/* $Id: view.c,v 1.178 2011-01-13 09:53:04 marka Exp $ */
 
 /*! \file */
 
 #include 
 
+#include 
 #include 
+#include 
+#include 
 #include 
 #include 		/* Required for HP/UX (and others?) */
 #include 
@@ -33,17 +36,24 @@
 #include 
 #include 
 #include 
+#ifdef BIND9
+#include 
+#endif
+#include 
 #include 
 #include 
 #include 
+#include 
 #include 
 #include 
 #include 
 #include 
+#include 
 #include 
 #include 
 #include 
 #include 
+#include 
 #include 
 #include 
 #include 
@@ -85,6 +95,7 @@ dns_view_create(isc_mem_t *mctx, dns_rdataclass_t rdclass,
 	if (result != ISC_R_SUCCESS)
 		goto cleanup_name;
 
+#ifdef BIND9
 	view->zonetable = NULL;
 	result = dns_zt_create(mctx, rdclass, &view->zonetable);
 	if (result != ISC_R_SUCCESS) {
@@ -94,24 +105,8 @@ dns_view_create(isc_mem_t *mctx, dns_rdataclass_t rdclass,
 		result = ISC_R_UNEXPECTED;
 		goto cleanup_mutex;
 	}
-	view->secroots = NULL;
-	result = dns_keytable_create(mctx, &view->secroots);
-	if (result != ISC_R_SUCCESS) {
-		UNEXPECTED_ERROR(__FILE__, __LINE__,
-				 "dns_keytable_create() failed: %s",
-				 isc_result_totext(result));
-		result = ISC_R_UNEXPECTED;
-		goto cleanup_zt;
-	}
-	view->trustedkeys = NULL;
-	result = dns_keytable_create(mctx, &view->trustedkeys);
-	if (result != ISC_R_SUCCESS) {
-		UNEXPECTED_ERROR(__FILE__, __LINE__,
-				 "dns_keytable_create() failed: %s",
-				 isc_result_totext(result));
-		result = ISC_R_UNEXPECTED;
-		goto cleanup_secroots;
-	}
+#endif
+	view->secroots_priv = NULL;
 	view->fwdtable = NULL;
 	result = dns_fwdtable_create(mctx, &view->fwdtable);
 	if (result != ISC_R_SUCCESS) {
@@ -119,7 +114,7 @@ dns_view_create(isc_mem_t *mctx, dns_rdataclass_t rdclass,
 				 "dns_fwdtable_create() failed: %s",
 				 isc_result_totext(result));
 		result = ISC_R_UNEXPECTED;
-		goto cleanup_trustedkeys;
+		goto cleanup_zt;
 	}
 
 	view->acache = NULL;
@@ -155,6 +150,9 @@ dns_view_create(isc_mem_t *mctx, dns_rdataclass_t rdclass,
 	view->rootexclude = NULL;
 	view->resstats = NULL;
 	view->resquerystats = NULL;
+	view->cacheshared = ISC_FALSE;
+	ISC_LIST_INIT(view->dns64);
+	view->dns64cnt = 0;
 
 	/*
 	 * Initialize configuration data with default values.
@@ -179,6 +177,10 @@ dns_view_create(isc_mem_t *mctx, dns_rdataclass_t rdclass,
 	view->notifyacl = NULL;
 	view->updateacl = NULL;
 	view->upfwdacl = NULL;
+	view->denyansweracl = NULL;
+	view->answeracl_exclude = NULL;
+	view->denyanswernames = NULL;
+	view->answernames_exclude = NULL;
 	view->requestixfr = ISC_TRUE;
 	view->provideixfr = ISC_TRUE;
 	view->maxcachettl = 7 * 24 * 3600;
@@ -188,11 +190,20 @@ dns_view_create(isc_mem_t *mctx, dns_rdataclass_t rdclass,
 	view->flush = ISC_FALSE;
 	view->dlv = NULL;
 	view->maxudp = 0;
+	view->v4_aaaa = dns_v4_aaaa_ok;
+	view->v4_aaaa_acl = NULL;
+	ISC_LIST_INIT(view->rpz_zones);
 	dns_fixedname_init(&view->dlv_fixed);
+	view->managed_keys = NULL;
+#ifdef BIND9
+	view->new_zone_file = NULL;
+	view->new_zone_config = NULL;
+	view->cfg_destroy = NULL;
 
 	result = dns_order_create(view->mctx, &view->order);
 	if (result != ISC_R_SUCCESS)
 		goto cleanup_dynkeys;
+#endif
 
 	result = dns_peerlist_new(view->mctx, &view->peers);
 	if (result != ISC_R_SUCCESS)
@@ -222,10 +233,12 @@ dns_view_create(isc_mem_t *mctx, dns_rdataclass_t rdclass,
 	dns_peerlist_detach(&view->peers);
 
  cleanup_order:
+#ifdef BIND9
 	dns_order_detach(&view->order);
 
  cleanup_dynkeys:
-	dns_tsigkeyring_destroy(&view->dynamickeys);
+#endif
+	dns_tsigkeyring_detach(&view->dynamickeys);
 
  cleanup_references:
 	isc_refcount_destroy(&view->references);
@@ -233,16 +246,12 @@ dns_view_create(isc_mem_t *mctx, dns_rdataclass_t rdclass,
  cleanup_fwdtable:
 	dns_fwdtable_destroy(&view->fwdtable);
 
- cleanup_trustedkeys:
-	dns_keytable_detach(&view->trustedkeys);
-
- cleanup_secroots:
-	dns_keytable_detach(&view->secroots);
-
  cleanup_zt:
+#ifdef BIND9
 	dns_zt_detach(&view->zonetable);
 
  cleanup_mutex:
+#endif
 	DESTROYLOCK(&view->lock);
 
  cleanup_name:
@@ -256,6 +265,10 @@ dns_view_create(isc_mem_t *mctx, dns_rdataclass_t rdclass,
 
 static inline void
 destroy(dns_view_t *view) {
+#ifdef BIND9
+	dns_dns64_t *dns64;
+#endif
+
 	REQUIRE(!ISC_LINK_LINKED(view, link));
 	REQUIRE(isc_refcount_current(&view->references) == 0);
 	REQUIRE(view->weakrefs == 0);
@@ -263,23 +276,62 @@ destroy(dns_view_t *view) {
 	REQUIRE(ADBSHUTDOWN(view));
 	REQUIRE(REQSHUTDOWN(view));
 
+#ifdef BIND9
 	if (view->order != NULL)
 		dns_order_detach(&view->order);
+#endif
 	if (view->peers != NULL)
 		dns_peerlist_detach(&view->peers);
-	if (view->dynamickeys != NULL)
-		dns_tsigkeyring_destroy(&view->dynamickeys);
+
+	if (view->dynamickeys != NULL) {
+		isc_result_t result;
+		char template[20];
+		char keyfile[20];
+		FILE *fp = NULL;
+		int n;
+
+		n = snprintf(keyfile, sizeof(keyfile), "%s.tsigkeys",
+			     view->name);
+		if (n > 0 && (size_t)n < sizeof(keyfile)) {
+			result = isc_file_mktemplate(keyfile, template,
+						     sizeof(template));
+			if (result == ISC_R_SUCCESS)
+				(void)isc_file_openuniqueprivate(template, &fp);
+		}
+		if (fp == NULL)
+			dns_tsigkeyring_detach(&view->dynamickeys);
+		else {
+			result = dns_tsigkeyring_dumpanddetach(
+							&view->dynamickeys, fp);
+			if (result == ISC_R_SUCCESS) {
+				if (fclose(fp) == 0)
+					result = isc_file_rename(template,
+								 keyfile);
+				if (result != ISC_R_SUCCESS)
+					(void)remove(template);
+			} else {
+				(void)fclose(fp);
+				(void)remove(template);
+			}
+		}
+	}
 	if (view->statickeys != NULL)
-		dns_tsigkeyring_destroy(&view->statickeys);
+		dns_tsigkeyring_detach(&view->statickeys);
 	if (view->adb != NULL)
 		dns_adb_detach(&view->adb);
 	if (view->resolver != NULL)
 		dns_resolver_detach(&view->resolver);
+#ifdef BIND9
 	if (view->acache != NULL) {
 		if (view->cachedb != NULL)
 			dns_acache_putdb(view->acache, view->cachedb);
 		dns_acache_detach(&view->acache);
 	}
+	dns_rpz_view_destroy(view);
+#else
+	INSIST(view->acache == NULL);
+	INSIST(ISC_LIST_EMPTY(view->rpz_zones));
+#endif
 	if (view->requestmgr != NULL)
 		dns_requestmgr_detach(&view->requestmgr);
 	if (view->task != NULL)
@@ -318,6 +370,16 @@ destroy(dns_view_t *view) {
 		dns_acl_detach(&view->updateacl);
 	if (view->upfwdacl != NULL)
 		dns_acl_detach(&view->upfwdacl);
+	if (view->denyansweracl != NULL)
+		dns_acl_detach(&view->denyansweracl);
+	if (view->v4_aaaa_acl != NULL)
+		dns_acl_detach(&view->v4_aaaa_acl);
+	if (view->answeracl_exclude != NULL)
+		dns_rbt_destroy(&view->answeracl_exclude);
+	if (view->denyanswernames != NULL)
+		dns_rbt_destroy(&view->denyanswernames);
+	if (view->answernames_exclude != NULL)
+		dns_rbt_destroy(&view->answernames_exclude);
 	if (view->delonly != NULL) {
 		dns_name_t *name;
 		int i;
@@ -357,8 +419,19 @@ destroy(dns_view_t *view) {
 		isc_stats_detach(&view->resstats);
 	if (view->resquerystats != NULL)
 		dns_stats_detach(&view->resquerystats);
-	dns_keytable_detach(&view->trustedkeys);
-	dns_keytable_detach(&view->secroots);
+	if (view->secroots_priv != NULL)
+		dns_keytable_detach(&view->secroots_priv);
+#ifdef BIND9
+	for (dns64 = ISC_LIST_HEAD(view->dns64);
+	     dns64 != NULL;
+	     dns64 = ISC_LIST_HEAD(view->dns64)) {
+		dns_dns64_unlink(&view->dns64, dns64);
+		dns_dns64_destroy(&dns64);
+	}
+	if (view->managed_keys != NULL)
+		dns_zone_detach(&view->managed_keys);
+	dns_view_setnewzones(view, ISC_FALSE, NULL, NULL);
+#endif
 	dns_fwdtable_destroy(&view->fwdtable);
 	dns_aclenv_destroy(&view->aclenv);
 	DESTROYLOCK(&view->lock);
@@ -414,12 +487,19 @@ view_flushanddetach(dns_view_t **viewp, isc_boolean_t flush) {
 			dns_adb_shutdown(view->adb);
 		if (!REQSHUTDOWN(view))
 			dns_requestmgr_shutdown(view->requestmgr);
+#ifdef BIND9
 		if (view->acache != NULL)
 			dns_acache_shutdown(view->acache);
 		if (view->flush)
 			dns_zt_flushanddetach(&view->zonetable);
 		else
 			dns_zt_detach(&view->zonetable);
+		if (view->managed_keys != NULL) {
+			if (view->flush)
+				dns_zone_flush(view->managed_keys);
+			dns_zone_detach(&view->managed_keys);
+		}
+#endif
 		done = all_done(view);
 		UNLOCK(&view->lock);
 	}
@@ -440,6 +520,7 @@ dns_view_detach(dns_view_t **viewp) {
 	view_flushanddetach(viewp, ISC_FALSE);
 }
 
+#ifdef BIND9
 static isc_result_t
 dialup(dns_zone_t *zone, void *dummy) {
 	UNUSED(dummy);
@@ -452,6 +533,7 @@ dns_view_dialup(dns_view_t *view) {
 	REQUIRE(DNS_VIEW_VALID(view));
 	(void)dns_zt_apply(view->zonetable, ISC_FALSE, dialup, NULL);
 }
+#endif
 
 void
 dns_view_weakattach(dns_view_t *source, dns_view_t **targetp) {
@@ -633,12 +715,20 @@ dns_view_createresolver(dns_view_t *view,
 
 void
 dns_view_setcache(dns_view_t *view, dns_cache_t *cache) {
+	dns_view_setcache2(view, cache, ISC_FALSE);
+}
+
+void
+dns_view_setcache2(dns_view_t *view, dns_cache_t *cache, isc_boolean_t shared) {
 	REQUIRE(DNS_VIEW_VALID(view));
 	REQUIRE(!view->frozen);
 
+	view->cacheshared = shared;
 	if (view->cache != NULL) {
+#ifdef BIND9
 		if (view->acache != NULL)
 			dns_acache_putdb(view->acache, view->cachedb);
+#endif
 		dns_db_detach(&view->cachedb);
 		dns_cache_detach(&view->cache);
 	}
@@ -646,8 +736,17 @@ dns_view_setcache(dns_view_t *view, dns_cache_t *cache) {
 	dns_cache_attachdb(cache, &view->cachedb);
 	INSIST(DNS_DB_VALID(view->cachedb));
 
+#ifdef BIND9
 	if (view->acache != NULL)
 		dns_acache_setdb(view->acache, view->cachedb);
+#endif
+}
+
+isc_boolean_t
+dns_view_iscacheshared(dns_view_t *view) {
+	REQUIRE(DNS_VIEW_VALID(view));
+
+	return (view->cacheshared);
 }
 
 void
@@ -665,26 +764,52 @@ dns_view_setkeyring(dns_view_t *view, dns_tsig_keyring_t *ring) {
 	REQUIRE(DNS_VIEW_VALID(view));
 	REQUIRE(ring != NULL);
 	if (view->statickeys != NULL)
-		dns_tsigkeyring_destroy(&view->statickeys);
-	view->statickeys = ring;
+		dns_tsigkeyring_detach(&view->statickeys);
+	dns_tsigkeyring_attach(ring, &view->statickeys);
 }
 
 void
-dns_view_setdstport(dns_view_t *view, in_port_t dstport) {
+dns_view_setdynamickeyring(dns_view_t *view, dns_tsig_keyring_t *ring) {
 	REQUIRE(DNS_VIEW_VALID(view));
-	view->dstport = dstport;
+	REQUIRE(ring != NULL);
+	if (view->dynamickeys != NULL)
+		dns_tsigkeyring_detach(&view->dynamickeys);
+	dns_tsigkeyring_attach(ring, &view->dynamickeys);
 }
 
-isc_result_t
-dns_view_addzone(dns_view_t *view, dns_zone_t *zone) {
-	isc_result_t result;
+void
+dns_view_getdynamickeyring(dns_view_t *view, dns_tsig_keyring_t **ringp) {
+	REQUIRE(DNS_VIEW_VALID(view));
+	REQUIRE(ringp != NULL && *ringp == NULL);
+	if (view->dynamickeys != NULL)
+		dns_tsigkeyring_attach(view->dynamickeys, ringp);
+}
+
+void
+dns_view_restorekeyring(dns_view_t *view) {
+	FILE *fp;
+	char keyfile[20];
+	int n;
 
 	REQUIRE(DNS_VIEW_VALID(view));
-	REQUIRE(!view->frozen);
 
-	result = dns_zt_mount(view->zonetable, zone);
+	if (view->dynamickeys != NULL) {
+		n = snprintf(keyfile, sizeof(keyfile), "%s.tsigkeys",
+			     view->name);
+		if (n > 0 && (size_t)n < sizeof(keyfile)) {
+			fp = fopen(keyfile, "r");
+			if (fp != NULL) {
+				dns_keyring_restore(view->dynamickeys, fp);
+				(void)fclose(fp);
+			}
+		}
+	}
+}
 
-	return (result);
+void
+dns_view_setdstport(dns_view_t *view, in_port_t dstport) {
+	REQUIRE(DNS_VIEW_VALID(view));
+	view->dstport = dstport;
 }
 
 void
@@ -699,6 +824,29 @@ dns_view_freeze(dns_view_t *view) {
 	view->frozen = ISC_TRUE;
 }
 
+#ifdef BIND9
+void
+dns_view_thaw(dns_view_t *view) {
+	REQUIRE(DNS_VIEW_VALID(view));
+	REQUIRE(view->frozen);
+
+	view->frozen = ISC_FALSE;
+}
+
+isc_result_t
+dns_view_addzone(dns_view_t *view, dns_zone_t *zone) {
+	isc_result_t result;
+
+	REQUIRE(DNS_VIEW_VALID(view));
+	REQUIRE(!view->frozen);
+
+	result = dns_zt_mount(view->zonetable, zone);
+
+	return (result);
+}
+#endif
+
+#ifdef BIND9
 isc_result_t
 dns_view_findzone(dns_view_t *view, dns_name_t *name, dns_zone_t **zonep) {
 	isc_result_t result;
@@ -713,20 +861,37 @@ dns_view_findzone(dns_view_t *view, dns_name_t *name, dns_zone_t **zonep) {
 
 	return (result);
 }
+#endif
 
 isc_result_t
 dns_view_find(dns_view_t *view, dns_name_t *name, dns_rdatatype_t type,
 	      isc_stdtime_t now, unsigned int options, isc_boolean_t use_hints,
 	      dns_db_t **dbp, dns_dbnode_t **nodep, dns_name_t *foundname,
-	      dns_rdataset_t *rdataset, dns_rdataset_t *sigrdataset)
+	      dns_rdataset_t *rdataset, dns_rdataset_t *sigrdataset) {
+	return (dns_view_find2(view, name, type, now, options, use_hints,
+			       ISC_FALSE, dbp, nodep, foundname, rdataset,
+			       sigrdataset));
+}
+
+isc_result_t
+dns_view_find2(dns_view_t *view, dns_name_t *name, dns_rdatatype_t type,
+	       isc_stdtime_t now, unsigned int options,
+	       isc_boolean_t use_hints, isc_boolean_t use_static_stub,
+	       dns_db_t **dbp, dns_dbnode_t **nodep, dns_name_t *foundname,
+	       dns_rdataset_t *rdataset, dns_rdataset_t *sigrdataset)
 {
 	isc_result_t result;
 	dns_db_t *db, *zdb;
 	dns_dbnode_t *node, *znode;
-	isc_boolean_t is_cache;
+	isc_boolean_t is_cache, is_staticstub_zone;
 	dns_rdataset_t zrdataset, zsigrdataset;
 	dns_zone_t *zone;
 
+#ifndef BIND9
+	UNUSED(use_hints);
+	UNUSED(use_static_stub);
+#endif
+
 	/*
 	 * Find an rdataset whose owner name is 'name', and whose type is
 	 * 'type'.
@@ -752,15 +917,30 @@ dns_view_find(dns_view_t *view, dns_name_t *name, dns_rdatatype_t type,
 	zone = NULL;
 	db = NULL;
 	node = NULL;
+	is_staticstub_zone = ISC_FALSE;
+#ifdef BIND9
 	result = dns_zt_find(view->zonetable, name, 0, NULL, &zone);
+	if (zone != NULL && dns_zone_gettype(zone) == dns_zone_staticstub &&
+	    !use_static_stub) {
+		result = ISC_R_NOTFOUND;
+	}
 	if (result == ISC_R_SUCCESS || result == DNS_R_PARTIALMATCH) {
 		result = dns_zone_getdb(zone, &db);
 		if (result != ISC_R_SUCCESS && view->cachedb != NULL)
 			dns_db_attach(view->cachedb, &db);
 		else if (result != ISC_R_SUCCESS)
 			goto cleanup;
+		if (dns_zone_gettype(zone) == dns_zone_staticstub &&
+		    dns_name_equal(name, dns_zone_getorigin(zone))) {
+			is_staticstub_zone = ISC_TRUE;
+		}
 	} else if (result == ISC_R_NOTFOUND && view->cachedb != NULL)
 		dns_db_attach(view->cachedb, &db);
+#else
+	result = ISC_R_NOTFOUND;
+	if (view->cachedb != NULL)
+		dns_db_attach(view->cachedb, &db);
+#endif /* BIND9 */
 	else
 		goto cleanup;
 
@@ -773,8 +953,7 @@ dns_view_find(dns_view_t *view, dns_name_t *name, dns_rdatatype_t type,
 	result = dns_db_find(db, name, NULL, type, options,
 			     now, &node, foundname, rdataset, sigrdataset);
 
-	if (result == DNS_R_DELEGATION ||
-	    result == ISC_R_NOTFOUND) {
+	if (result == DNS_R_DELEGATION || result == ISC_R_NOTFOUND) {
 		if (dns_rdataset_isassociated(rdataset))
 			dns_rdataset_disassociate(rdataset);
 		if (sigrdataset != NULL &&
@@ -784,10 +963,13 @@ dns_view_find(dns_view_t *view, dns_name_t *name, dns_rdatatype_t type,
 			dns_db_detachnode(db, &node);
 		if (!is_cache) {
 			dns_db_detach(&db);
-			if (view->cachedb != NULL) {
+			if (view->cachedb != NULL && !is_staticstub_zone) {
 				/*
 				 * Either the answer is in the cache, or we
 				 * don't know it.
+				 * Note that if the result comes from a
+				 * static-stub zone we stop the search here
+				 * (see the function description in view.h).
 				 */
 				is_cache = ISC_TRUE;
 				dns_db_attach(view->cachedb, &db);
@@ -817,7 +999,7 @@ dns_view_find(dns_view_t *view, dns_name_t *name, dns_rdatatype_t type,
 		 */
 		result = ISC_R_NOTFOUND;
 	} else if (result == DNS_R_GLUE) {
-		if (view->cachedb != NULL) {
+		if (view->cachedb != NULL && !is_staticstub_zone) {
 			/*
 			 * We found an answer, but the cache may be better.
 			 * Remember what we've got and go look in the cache.
@@ -843,6 +1025,7 @@ dns_view_find(dns_view_t *view, dns_name_t *name, dns_rdatatype_t type,
 		result = ISC_R_SUCCESS;
 	}
 
+#ifdef BIND9
 	if (result == ISC_R_NOTFOUND && use_hints && view->hints != NULL) {
 		if (dns_rdataset_isassociated(rdataset))
 			dns_rdataset_disassociate(rdataset);
@@ -877,6 +1060,7 @@ dns_view_find(dns_view_t *view, dns_name_t *name, dns_rdatatype_t type,
 		if (db == NULL && node != NULL)
 			dns_db_detachnode(view->hints, &node);
 	}
+#endif /* BIND9 */
 
  cleanup:
 	if (dns_rdataset_isassociated(&zrdataset)) {
@@ -905,8 +1089,10 @@ dns_view_find(dns_view_t *view, dns_name_t *name, dns_rdatatype_t type,
 	} else
 		INSIST(node == NULL);
 
+#ifdef BIND9
 	if (zone != NULL)
 		dns_zone_detach(&zone);
+#endif
 
 	return (result);
 }
@@ -969,12 +1155,12 @@ dns_view_findzonecut(dns_view_t *view, dns_name_t *name, dns_name_t *fname,
 isc_result_t
 dns_view_findzonecut2(dns_view_t *view, dns_name_t *name, dns_name_t *fname,
 		      isc_stdtime_t now, unsigned int options,
-		      isc_boolean_t use_hints,  isc_boolean_t use_cache,
+		      isc_boolean_t use_hints,	isc_boolean_t use_cache,
 		      dns_rdataset_t *rdataset, dns_rdataset_t *sigrdataset)
 {
 	isc_result_t result;
 	dns_db_t *db;
-	isc_boolean_t is_cache, use_zone, try_hints;
+	isc_boolean_t is_cache, use_zone, try_hints, is_staticstub_zone;
 	dns_zone_t *zone;
 	dns_name_t *zfname;
 	dns_rdataset_t zrdataset, zsigrdataset;
@@ -986,6 +1172,7 @@ dns_view_findzonecut2(dns_view_t *view, dns_name_t *name, dns_name_t *fname,
 	db = NULL;
 	zone = NULL;
 	use_zone = ISC_FALSE;
+	is_staticstub_zone = ISC_FALSE;
 	try_hints = ISC_FALSE;
 	zfname = NULL;
 
@@ -999,9 +1186,16 @@ dns_view_findzonecut2(dns_view_t *view, dns_name_t *name, dns_name_t *fname,
 	/*
 	 * Find the right database.
 	 */
+#ifdef BIND9
 	result = dns_zt_find(view->zonetable, name, 0, NULL, &zone);
-	if (result == ISC_R_SUCCESS || result == DNS_R_PARTIALMATCH)
+	if (result == ISC_R_SUCCESS || result == DNS_R_PARTIALMATCH) {
 		result = dns_zone_getdb(zone, &db);
+		if (dns_zone_gettype(zone) == dns_zone_staticstub)
+			is_staticstub_zone = ISC_TRUE;
+	}
+#else
+	result = ISC_R_NOTFOUND;
+#endif
 	if (result == ISC_R_NOTFOUND) {
 		/*
 		 * We're not directly authoritative for this query name, nor
@@ -1064,7 +1258,9 @@ dns_view_findzonecut2(dns_view_t *view, dns_name_t *name, dns_name_t *fname,
 					    fname, rdataset, sigrdataset);
 		if (result == ISC_R_SUCCESS) {
 			if (zfname != NULL &&
-			    !dns_name_issubdomain(fname, zfname)) {
+			    (!dns_name_issubdomain(fname, zfname) ||
+			     (dns_zone_staticstub &&
+			      dns_name_equal(fname, zfname)))) {
 				/*
 				 * We found a zonecut in the cache, but our
 				 * zone delegation is better.
@@ -1133,8 +1329,10 @@ dns_view_findzonecut2(dns_view_t *view, dns_name_t *name, dns_name_t *fname,
 	}
 	if (db != NULL)
 		dns_db_detach(&db);
+#ifdef BIND9
 	if (zone != NULL)
 		dns_zone_detach(&zone);
+#endif
 
 	return (result);
 }
@@ -1161,6 +1359,7 @@ dns_viewlist_find(dns_viewlist_t *list, const char *name,
 	return (ISC_R_SUCCESS);
 }
 
+#ifdef BIND9
 isc_result_t
 dns_viewlist_findzone(dns_viewlist_t *list, dns_name_t *name,
 		      isc_boolean_t allclasses, dns_rdataclass_t rdclass,
@@ -1225,6 +1424,7 @@ dns_view_loadnew(dns_view_t *view, isc_boolean_t stop) {
 
 	return (dns_zt_loadnew(view->zonetable, stop));
 }
+#endif /* BIND9 */
 
 isc_result_t
 dns_view_gettsig(dns_view_t *view, dns_name_t *keyname, dns_tsigkey_t **keyp)
@@ -1269,6 +1469,7 @@ dns_view_checksig(dns_view_t *view, isc_buffer_t *source, dns_message_t *msg) {
 				view->dynamickeys));
 }
 
+#ifdef BIND9
 isc_result_t
 dns_view_dumpdbtostream(dns_view_t *view, FILE *fp) {
 	isc_result_t result;
@@ -1284,26 +1485,38 @@ dns_view_dumpdbtostream(dns_view_t *view, FILE *fp) {
 	dns_resolver_printbadcache(view->resolver, fp);
 	return (ISC_R_SUCCESS);
 }
+#endif
 
 isc_result_t
 dns_view_flushcache(dns_view_t *view) {
+	return (dns_view_flushcache2(view, ISC_FALSE));
+}
+
+isc_result_t
+dns_view_flushcache2(dns_view_t *view, isc_boolean_t fixuponly) {
 	isc_result_t result;
 
 	REQUIRE(DNS_VIEW_VALID(view));
 
 	if (view->cachedb == NULL)
 		return (ISC_R_SUCCESS);
-	result = dns_cache_flush(view->cache);
-	if (result != ISC_R_SUCCESS)
-		return (result);
+	if (!fixuponly) {
+		result = dns_cache_flush(view->cache);
+		if (result != ISC_R_SUCCESS)
+			return (result);
+	}
+#ifdef BIND9
 	if (view->acache != NULL)
 		dns_acache_putdb(view->acache, view->cachedb);
+#endif
 	dns_db_detach(&view->cachedb);
 	dns_cache_attachdb(view->cache, &view->cachedb);
+#ifdef BIND9
 	if (view->acache != NULL)
 		dns_acache_setdb(view->acache, view->cachedb);
 	if (view->resolver != NULL)
 		dns_resolver_flushbadcache(view->resolver, NULL);
+#endif
 
 	dns_adb_flush(view->adb);
 	return (ISC_R_SUCCESS);
@@ -1437,11 +1650,13 @@ dns_view_getrootdelonly(dns_view_t *view) {
 	return (view->rootdelonly);
 }
 
+#ifdef BIND9
 isc_result_t
 dns_view_freezezones(dns_view_t *view, isc_boolean_t value) {
 	REQUIRE(DNS_VIEW_VALID(view));
 	return (dns_zt_freezezones(view->zonetable, value));
 }
+#endif
 
 void
 dns_view_setresstats(dns_view_t *view, isc_stats_t *stats) {
@@ -1478,3 +1693,97 @@ dns_view_getresquerystats(dns_view_t *view, dns_stats_t **statsp) {
 	if (view->resquerystats != NULL)
 		dns_stats_attach(view->resquerystats, statsp);
 }
+
+isc_result_t
+dns_view_initsecroots(dns_view_t *view, isc_mem_t *mctx) {
+	REQUIRE(DNS_VIEW_VALID(view));
+	if (view->secroots_priv != NULL)
+		dns_keytable_detach(&view->secroots_priv);
+	return (dns_keytable_create(mctx, &view->secroots_priv));
+}
+
+isc_result_t
+dns_view_getsecroots(dns_view_t *view, dns_keytable_t **ktp) {
+	REQUIRE(DNS_VIEW_VALID(view));
+	REQUIRE(ktp != NULL && *ktp == NULL);
+	if (view->secroots_priv == NULL)
+		return (ISC_R_NOTFOUND);
+	dns_keytable_attach(view->secroots_priv, ktp);
+	return (ISC_R_SUCCESS);
+}
+
+isc_result_t
+dns_view_issecuredomain(dns_view_t *view, dns_name_t *name,
+			 isc_boolean_t *secure_domain) {
+	REQUIRE(DNS_VIEW_VALID(view));
+	return (dns_keytable_issecuredomain(view->secroots_priv, name,
+					    secure_domain));
+}
+
+void
+dns_view_untrust(dns_view_t *view, dns_name_t *keyname,
+		 dns_rdata_dnskey_t *dnskey, isc_mem_t *mctx)
+{
+	isc_result_t result;
+	unsigned char data[4096];
+	dns_rdata_t rdata = DNS_RDATA_INIT;
+	isc_buffer_t buffer;
+	dst_key_t *key = NULL;
+	dns_keytable_t *sr = NULL;
+
+	/*
+	 * Clear the revoke bit, if set, so that the key will match what's
+	 * in secroots now.
+	 */
+	dnskey->flags &= ~DNS_KEYFLAG_REVOKE;
+
+	/* Convert dnskey to DST key. */
+	isc_buffer_init(&buffer, data, sizeof(data));
+	dns_rdata_fromstruct(&rdata, dnskey->common.rdclass,
+			     dns_rdatatype_dnskey, dnskey, &buffer);
+	result = dns_dnssec_keyfromrdata(keyname, &rdata, mctx, &key);
+	if (result != ISC_R_SUCCESS)
+		return;
+	result = dns_view_getsecroots(view, &sr);
+	if (result == ISC_R_SUCCESS) {
+		dns_keytable_deletekeynode(sr, key);
+		dns_keytable_detach(&sr);
+	}
+	dst_key_free(&key);
+}
+
+#define NZF ".nzf"
+
+void
+dns_view_setnewzones(dns_view_t *view, isc_boolean_t allow, void *cfgctx,
+		     void (*cfg_destroy)(void **))
+{
+	REQUIRE(DNS_VIEW_VALID(view));
+	REQUIRE((cfgctx != NULL && cfg_destroy != NULL) || !allow);
+
+#ifdef BIND9
+	if (view->new_zone_file != NULL) {
+		isc_mem_free(view->mctx, view->new_zone_file);
+		view->new_zone_file = NULL;
+	}
+
+	if (view->new_zone_config != NULL) {
+		view->cfg_destroy(&view->new_zone_config);
+		view->cfg_destroy = NULL;
+	}
+
+	if (allow) {
+		char buffer[ISC_SHA256_DIGESTSTRINGLENGTH + sizeof(NZF)];
+		isc_sha256_data((void *)view->name, strlen(view->name), buffer);
+		/* Truncate the hash at 16 chars; full length is overkill */
+		isc_string_printf(buffer + 16, sizeof(NZF), "%s", NZF);
+		view->new_zone_file = isc_mem_strdup(view->mctx, buffer);
+		view->new_zone_config = cfgctx;
+		view->cfg_destroy = cfg_destroy;
+	}
+#else
+	UNUSED(allow);
+	UNUSED(cfgctx);
+	UNUSED(cfg_destroy);
+#endif
+}
diff --git a/lib/dns/xfrin.c b/lib/dns/xfrin.c
index b3f2e95..210bca9 100644
--- a/lib/dns/xfrin.c
+++ b/lib/dns/xfrin.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2008, 2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: xfrin.c,v 1.166 2008-09-25 04:12:39 marka Exp $ */
+/* $Id: xfrin.c,v 1.166.522.2.2.1 2011-06-02 23:47:35 tbox Exp $ */
 
 /*! \file */
 
@@ -83,8 +83,9 @@ typedef enum {
 	XFRST_IXFR_DEL,
 	XFRST_IXFR_ADDSOA,
 	XFRST_IXFR_ADD,
+	XFRST_IXFR_END,
 	XFRST_AXFR,
-	XFRST_END
+	XFRST_AXFR_END
 } xfrin_state_t;
 
 /*%
@@ -203,6 +204,7 @@ static isc_result_t axfr_putdata(dns_xfrin_ctx_t *xfr, dns_diffop_t op,
 				   dns_rdata_t *rdata);
 static isc_result_t axfr_apply(dns_xfrin_ctx_t *xfr);
 static isc_result_t axfr_commit(dns_xfrin_ctx_t *xfr);
+static isc_result_t axfr_finalize(dns_xfrin_ctx_t *xfr);
 
 static isc_result_t ixfr_init(dns_xfrin_ctx_t *xfr);
 static isc_result_t ixfr_apply(dns_xfrin_ctx_t *xfr);
@@ -318,6 +320,16 @@ axfr_commit(dns_xfrin_ctx_t *xfr) {
 
 	CHECK(axfr_apply(xfr));
 	CHECK(dns_db_endload(xfr->db, &xfr->axfr.add_private));
+
+	result = ISC_R_SUCCESS;
+ failure:
+	return (result);
+}
+
+static isc_result_t
+axfr_finalize(dns_xfrin_ctx_t *xfr) {
+	isc_result_t result;
+
 	CHECK(dns_zone_replacedb(xfr->zone, xfr->db, ISC_TRUE));
 
 	result = ISC_R_SUCCESS;
@@ -541,7 +553,7 @@ xfr_rr(dns_xfrin_ctx_t *xfr, dns_name_t *name, isc_uint32_t ttl,
 			isc_uint32_t soa_serial = dns_soa_getserial(rdata);
 			if (soa_serial == xfr->end_serial) {
 				CHECK(ixfr_commit(xfr));
-				xfr->state = XFRST_END;
+				xfr->state = XFRST_IXFR_END;
 				break;
 			} else if (soa_serial != xfr->ixfr.current_serial) {
 				xfrin_log(xfr, ISC_LOG_ERROR,
@@ -572,11 +584,12 @@ xfr_rr(dns_xfrin_ctx_t *xfr, dns_name_t *name, isc_uint32_t ttl,
 		CHECK(axfr_putdata(xfr, DNS_DIFFOP_ADD, name, ttl, rdata));
 		if (rdata->type == dns_rdatatype_soa) {
 			CHECK(axfr_commit(xfr));
-			xfr->state = XFRST_END;
+			xfr->state = XFRST_AXFR_END;
 			break;
 		}
 		break;
-	case XFRST_END:
+	case XFRST_AXFR_END:
+	case XFRST_IXFR_END:
 		FAIL(DNS_R_EXTRADATA);
 	default:
 		INSIST(0);
@@ -1318,8 +1331,9 @@ xfrin_recv_done(isc_task_t *task, isc_event_t *ev) {
 
 	} else if (dns_message_gettsigkey(msg) != NULL) {
 		xfr->sincetsig++;
-		if (xfr->sincetsig > 100 ||
-		    xfr->nmsg == 0 || xfr->state == XFRST_END)
+		if (xfr->sincetsig > 100 || xfr->nmsg == 0 ||
+		    xfr->state == XFRST_AXFR_END ||
+		    xfr->state == XFRST_IXFR_END)
 		{
 			result = DNS_R_EXPECTEDTSIG;
 			goto failure;
@@ -1345,16 +1359,22 @@ xfrin_recv_done(isc_task_t *task, isc_event_t *ev) {
 
 	dns_message_destroy(&msg);
 
-	if (xfr->state == XFRST_GOTSOA) {
+	switch (xfr->state) {
+	case XFRST_GOTSOA:
 		xfr->reqtype = dns_rdatatype_axfr;
 		xfr->state = XFRST_INITIALSOA;
 		CHECK(xfrin_send_request(xfr));
-	} else if (xfr->state == XFRST_END) {
+		break;
+	case XFRST_AXFR_END:
+		CHECK(axfr_finalize(xfr));
+		/* FALLTHROUGH */
+	case XFRST_IXFR_END:
 		/*
 		 * Close the journal.
 		 */
 		if (xfr->ixfr.journal != NULL)
 			dns_journal_destroy(&xfr->ixfr.journal);
+
 		/*
 		 * Inform the caller we succeeded.
 		 */
@@ -1368,7 +1388,8 @@ xfrin_recv_done(isc_task_t *task, isc_event_t *ev) {
 		 */
 		xfr->shuttingdown = ISC_TRUE;
 		maybe_free(xfr);
-	} else {
+		break;
+	default:
 		/*
 		 * Read the next message.
 		 */
diff --git a/lib/dns/zone.c b/lib/dns/zone.c
index 108aefb..c727c2e 100644
--- a/lib/dns/zone.c
+++ b/lib/dns/zone.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2010  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: zone.c,v 1.483.36.23 2010-12-14 00:48:22 marka Exp $ */
+/* $Id: zone.c,v 1.582.8.7 2011-02-18 23:23:08 each Exp $ */
 
 /*! \file */
 
@@ -47,6 +47,8 @@
 #include 
 #include 
 #include 
+#include 
+#include 
 #include 
 #include 
 #include 
@@ -56,6 +58,8 @@
 #include 
 #include 
 #include 
+#include 
+#include 
 #include 
 #include 
 #include 
@@ -66,6 +70,7 @@
 #include 
 #include 
 #include 
+#include 
 #include 
 #include 
 #include 
@@ -129,6 +134,7 @@ typedef struct dns_signing dns_signing_t;
 typedef ISC_LIST(dns_signing_t) dns_signinglist_t;
 typedef struct dns_nsec3chain dns_nsec3chain_t;
 typedef ISC_LIST(dns_nsec3chain_t) dns_nsec3chainlist_t;
+typedef struct dns_keyfetch dns_keyfetch_t;
 
 #define DNS_ZONE_CHECKLOCK
 #ifdef DNS_ZONE_CHECKLOCK
@@ -200,6 +206,8 @@ struct dns_zone {
 	isc_time_t		keywarntime;
 	isc_time_t		signingtime;
 	isc_time_t		nsec3chaintime;
+	isc_time_t		refreshkeytime;
+	isc_uint32_t		refreshkeycount;
 	isc_uint32_t		refresh;
 	isc_uint32_t		retry;
 	isc_uint32_t		expire;
@@ -273,13 +281,13 @@ struct dns_zone {
 	/*%
 	 * Statistics counters about zone management.
 	 */
-	isc_stats_t	    	*stats;
+	isc_stats_t		*stats;
 	/*%
 	 * Optional per-zone statistics counters.  Counted outside of this
 	 * module.
 	 */
-	isc_boolean_t	    	requeststats_on;
-	isc_stats_t	    	*requeststats;
+	isc_boolean_t		requeststats_on;
+	isc_stats_t		*requeststats;
 	isc_uint32_t		notifydelay;
 	dns_isselffunc_t	isself;
 	void			*isselfarg;
@@ -304,6 +312,21 @@ struct dns_zone {
 	isc_uint32_t		signatures;
 	isc_uint32_t		nodes;
 	dns_rdatatype_t		privatetype;
+
+	/*%
+	 * Autosigning/key-maintenance options
+	 */
+	isc_uint32_t		keyopts;
+
+	/*%
+	 * True if added by "rndc addzone"
+	 */
+	isc_boolean_t           added;
+
+	/*%
+	 * whether a rpz radix was needed when last loaded
+	 */
+	isc_boolean_t           rpz_zone;
 };
 
 #define DNS_ZONE_FLAG(z,f) (ISC_TF(((z)->flags & (f)) != 0))
@@ -339,7 +362,7 @@ struct dns_zone {
 						 * from SOA (if not set, we
 						 * are still using
 						 * default timer values) */
-#define DNS_ZONEFLG_FORCEXFER   0x00008000U     /*%< Force a zone xfer */
+#define DNS_ZONEFLG_FORCEXFER	0x00008000U	/*%< Force a zone xfer */
 #define DNS_ZONEFLG_NOREFRESH	0x00010000U
 #define DNS_ZONEFLG_DIALNOTIFY	0x00020000U
 #define DNS_ZONEFLG_DIALREFRESH	0x00040000U
@@ -352,8 +375,11 @@ struct dns_zone {
 #define DNS_ZONEFLG_NEEDCOMPACT 0x02000000U
 #define DNS_ZONEFLG_REFRESHING	0x04000000U	/*%< Refreshing keydata */
 #define DNS_ZONEFLG_THAW	0x08000000U
+/* #define DNS_ZONEFLG_XXXXX	0x10000000U   XXXMPA unused. */
+#define DNS_ZONEFLG_NODELAY	0x20000000U
 
 #define DNS_ZONE_OPTION(z,o) (((z)->options & (o)) != 0)
+#define DNS_ZONEKEY_OPTION(z,o) (((z)->keyopts & (o)) != 0)
 
 /* Flags for zone_load() */
 #define DNS_ZONELOADFLAG_NOSTAT	0x00000001U	/* Do not stat() master files */
@@ -484,7 +510,7 @@ struct dns_io {
  *	DNSKEY as result of an update.
  */
 struct dns_signing {
-	unsigned int    	magic;
+	unsigned int		magic;
 	dns_db_t		*db;
 	dns_dbiterator_t	*dbiterator;
 	dns_secalg_t		algorithm;
@@ -495,15 +521,15 @@ struct dns_signing {
 };
 
 struct dns_nsec3chain {
-	unsigned int            	magic;
+	unsigned int			magic;
 	dns_db_t			*db;
 	dns_dbiterator_t		*dbiterator;
 	dns_rdata_nsec3param_t		nsec3param;
 	unsigned char			salt[255];
 	isc_boolean_t			done;
-	isc_boolean_t 			seen_nsec;
-	isc_boolean_t 			delete_nsec;
-	isc_boolean_t 			save_delete_nsec;
+	isc_boolean_t			seen_nsec;
+	isc_boolean_t			delete_nsec;
+	isc_boolean_t			save_delete_nsec;
 	ISC_LINK(dns_nsec3chain_t)	link;
 };
 /*%<
@@ -528,6 +554,19 @@ struct dns_nsec3chain {
  * so it can be recovered in the event of a error.
  */
 
+struct dns_keyfetch {
+	dns_fixedname_t name;
+	dns_rdataset_t keydataset;
+	dns_rdataset_t dnskeyset;
+	dns_rdataset_t dnskeysigset;
+	dns_zone_t *zone;
+	dns_db_t *db;
+	dns_fetch_t *fetch;
+};
+
+#define HOUR 3600
+#define DAY (24*HOUR)
+#define MONTH (30*DAY)
 
 #define SEND_BUFFER_SIZE 2048
 
@@ -538,6 +577,10 @@ static void zone_debuglog(dns_zone_t *zone, const char *, int debuglevel,
 static void notify_log(dns_zone_t *zone, int level, const char *fmt, ...)
      ISC_FORMAT_PRINTF(3, 4);
 static void queue_xfrin(dns_zone_t *zone);
+static isc_result_t update_one_rr(dns_db_t *db, dns_dbversion_t *ver,
+				  dns_diff_t *diff, dns_diffop_t op,
+				  dns_name_t *name, dns_ttl_t ttl,
+				  dns_rdata_t *rdata);
 static void zone_unload(dns_zone_t *zone);
 static void zone_expire(dns_zone_t *zone);
 static void zone_iattach(dns_zone_t *source, dns_zone_t **target);
@@ -613,6 +656,10 @@ static isc_boolean_t dns_zonemgr_unreachable(dns_zonemgr_t *zmgr,
 					     isc_time_t *now);
 static isc_result_t zone_signwithkey(dns_zone_t *zone, dns_secalg_t algorithm,
 				     isc_uint16_t keyid, isc_boolean_t delete);
+static isc_result_t delete_nsec(dns_db_t *db, dns_dbversion_t *ver,
+				dns_dbnode_t *node, dns_name_t *name,
+				dns_diff_t *diff);
+static void zone_rekey(dns_zone_t *zone);
 
 #define ENTER zone_debuglog(zone, me, 1, "enter")
 
@@ -710,6 +757,7 @@ dns_zone_create(dns_zone_t **zonep, isc_mem_t *mctx) {
 	zone->type = dns_zone_none;
 	zone->flags = 0;
 	zone->options = 0;
+	zone->keyopts = 0;
 	zone->db_argc = 0;
 	zone->db_argv = NULL;
 	isc_time_settoepoch(&zone->expiretime);
@@ -721,6 +769,8 @@ dns_zone_create(dns_zone_t **zonep, isc_mem_t *mctx) {
 	isc_time_settoepoch(&zone->keywarntime);
 	isc_time_settoepoch(&zone->signingtime);
 	isc_time_settoepoch(&zone->nsec3chaintime);
+	isc_time_settoepoch(&zone->refreshkeytime);
+	zone->refreshkeycount = 0;
 	zone->refresh = DNS_ZONE_DEFAULTREFRESH;
 	zone->retry = DNS_ZONE_DEFAULTRETRY;
 	zone->expire = 0;
@@ -787,6 +837,8 @@ dns_zone_create(dns_zone_t **zonep, isc_mem_t *mctx) {
 	zone->signatures = 10;
 	zone->nodes = 100;
 	zone->privatetype = (dns_rdatatype_t)0xffffU;
+	zone->added = ISC_FALSE;
+	zone->rpz_zone = ISC_FALSE;
 
 	zone->magic = ZONE_MAGIC;
 
@@ -1304,8 +1356,8 @@ dns_zone_getjournal(dns_zone_t *zone) {
  * master file (if any) is written by the server, rather than being
  * updated manually and read by the server.
  *
- * This is true for slave zones, stub zones, and zones that allow
- * dynamic updates either by having an update policy ("ssutable")
+ * This is true for slave zones, stub zones, key zones, and zones that
+ * allow dynamic updates either by having an update policy ("ssutable")
  * or an "allow-update" ACL with a value other than exactly "{ none; }".
  */
 static isc_boolean_t
@@ -1314,6 +1366,7 @@ zone_isdynamic(dns_zone_t *zone) {
 
 	return (ISC_TF(zone->type == dns_zone_slave ||
 		       zone->type == dns_zone_stub ||
+		       zone->type == dns_zone_key ||
 		       (!zone->update_disabled && zone->ssutable != NULL) ||
 		       (!zone->update_disabled && zone->update_acl != NULL &&
 			!dns_acl_isnone(zone->update_acl))));
@@ -1383,11 +1436,12 @@ zone_load(dns_zone_t *zone, unsigned int flags) {
 	 */
 	if (zone->masterfile != NULL) {
 		/*
-		 * The file is already loaded.  If we are just doing a
+		 * The file is already loaded.	If we are just doing a
 		 * "rndc reconfig", we are done.
 		 */
 		if (!isc_time_isepoch(&zone->loadtime) &&
-		    (flags & DNS_ZONELOADFLAG_NOSTAT) != 0) {
+		    (flags & DNS_ZONELOADFLAG_NOSTAT) != 0 &&
+		    zone->rpz_zone == dns_rpz_needed()) {
 			result = ISC_R_SUCCESS;
 			goto cleanup;
 		}
@@ -1396,7 +1450,8 @@ zone_load(dns_zone_t *zone, unsigned int flags) {
 		if (result == ISC_R_SUCCESS) {
 			if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_LOADED) &&
 			    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_HASINCLUDE) &&
-			    isc_time_compare(&filetime, &zone->loadtime) <= 0) {
+			    isc_time_compare(&filetime, &zone->loadtime) <= 0 &&
+			    zone->rpz_zone == dns_rpz_needed()) {
 				dns_zone_log(zone, ISC_LOG_DEBUG(1),
 					     "skipping load: master file "
 					     "older than last load");
@@ -1404,6 +1459,7 @@ zone_load(dns_zone_t *zone, unsigned int flags) {
 				goto cleanup;
 			}
 			loadtime = filetime;
+			zone->rpz_zone = dns_rpz_needed();
 		}
 	}
 
@@ -1526,6 +1582,8 @@ get_master_options(dns_zone_t *zone) {
 	options = DNS_MASTER_ZONE;
 	if (zone->type == dns_zone_slave)
 		options |= DNS_MASTER_SLAVE;
+	if (zone->type == dns_zone_key)
+		options |= DNS_MASTER_KEY;
 	if (DNS_ZONE_OPTION(zone, DNS_ZONEOPT_CHECKNS))
 		options |= DNS_MASTER_CHECKNS;
 	if (DNS_ZONE_OPTION(zone, DNS_ZONEOPT_FATALNS))
@@ -1541,7 +1599,8 @@ get_master_options(dns_zone_t *zone) {
 	if (DNS_ZONE_OPTION(zone, DNS_ZONEOPT_CHECKWILDCARD))
 		options |= DNS_MASTER_CHECKWILDCARD;
 	if (zone->type == dns_zone_master &&
-	    (zone->update_acl != NULL || zone->ssutable != NULL))
+	    ((zone->update_acl != NULL && !dns_acl_isnone(zone->update_acl)) ||
+	      zone->ssutable != NULL))
 		options |= DNS_MASTER_RESIGN;
 	return (options);
 }
@@ -1740,11 +1799,12 @@ zone_check_mx(dns_zone_t *zone, dns_db_t *db, dns_name_t *name,
 	dns_name_format(name, namebuf, sizeof namebuf);
 	if (result == DNS_R_NXRRSET || result == DNS_R_NXDOMAIN ||
 	    result == DNS_R_EMPTYNAME) {
+		if (!DNS_ZONE_OPTION(zone, DNS_ZONEOPT_CHECKMXFAIL))
+			level = ISC_LOG_WARNING;
 		dns_zone_log(zone, level,
 			     "%s/MX '%s' has no address records (A or AAAA)",
 			     ownerbuf, namebuf);
-		/* XXX950 make fatal for 9.5.0. */
-		return (ISC_TRUE);
+		return ((level == ISC_LOG_WARNING) ? ISC_TRUE : ISC_FALSE);
 	}
 
 	if (result == DNS_R_CNAME) {
@@ -1986,6 +2046,113 @@ zone_check_glue(dns_zone_t *zone, dns_db_t *db, dns_name_t *name,
 }
 
 static isc_boolean_t
+zone_rrset_check_dup(dns_zone_t *zone, dns_name_t *owner,
+		     dns_rdataset_t *rdataset)
+{
+	dns_rdataset_t tmprdataset;
+	isc_result_t result;
+	isc_boolean_t answer = ISC_TRUE;
+	isc_boolean_t format = ISC_TRUE;
+	int level = ISC_LOG_WARNING;
+	char ownerbuf[DNS_NAME_FORMATSIZE];
+	char typebuf[DNS_RDATATYPE_FORMATSIZE];
+	unsigned int count1 = 0;
+
+	if (DNS_ZONE_OPTION(zone, DNS_ZONEOPT_CHECKDUPRRFAIL))
+		level = ISC_LOG_ERROR;
+
+	dns_rdataset_init(&tmprdataset);
+	for (result = dns_rdataset_first(rdataset);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rdataset_next(rdataset)) {
+		dns_rdata_t rdata1 = DNS_RDATA_INIT;
+		unsigned int count2 = 0;
+
+		count1++;
+		dns_rdataset_current(rdataset, &rdata1);
+		dns_rdataset_clone(rdataset, &tmprdataset);
+		for (result = dns_rdataset_first(&tmprdataset);
+		     result == ISC_R_SUCCESS;
+		     result = dns_rdataset_next(&tmprdataset)) {
+			dns_rdata_t rdata2 = DNS_RDATA_INIT;
+			count2++;
+			if (count1 >= count2)
+				continue;
+			dns_rdataset_current(&tmprdataset, &rdata2);
+			if (dns_rdata_casecompare(&rdata1, &rdata2) == 0) {
+				if (format) {
+					dns_name_format(owner, ownerbuf,
+							sizeof ownerbuf);
+					dns_rdatatype_format(rdata1.type,
+							     typebuf,
+							     sizeof(typebuf));
+					format = ISC_FALSE;
+				}
+				dns_zone_log(zone, level, "%s/%s has "
+					     "semantically identical records",
+					     ownerbuf, typebuf);
+				if (level == ISC_LOG_ERROR)
+					answer = ISC_FALSE;
+				break;
+			}
+		}
+		dns_rdataset_disassociate(&tmprdataset);
+		if (!format)
+			break;
+	}
+	return (answer);
+}
+
+static isc_boolean_t
+zone_check_dup(dns_zone_t *zone, dns_db_t *db) {
+	dns_dbiterator_t *dbiterator = NULL;
+	dns_dbnode_t *node = NULL;
+	dns_fixedname_t fixed;
+	dns_name_t *name;
+	dns_rdataset_t rdataset;
+	dns_rdatasetiter_t *rdsit = NULL;
+	isc_boolean_t ok = ISC_TRUE;
+	isc_result_t result;
+
+	dns_fixedname_init(&fixed);
+	name = dns_fixedname_name(&fixed);
+	dns_rdataset_init(&rdataset);
+
+	result = dns_db_createiterator(db, 0, &dbiterator);
+	if (result != ISC_R_SUCCESS)
+		return (ISC_TRUE);
+
+	for (result = dns_dbiterator_first(dbiterator);
+	     result == ISC_R_SUCCESS;
+	     result = dns_dbiterator_next(dbiterator)) {
+		result = dns_dbiterator_current(dbiterator, &node, name);
+		if (result != ISC_R_SUCCESS)
+			continue;
+
+		result = dns_db_allrdatasets(db, node, NULL, 0, &rdsit);
+		if (result != ISC_R_SUCCESS)
+			continue;
+
+		for (result = dns_rdatasetiter_first(rdsit);
+		     result == ISC_R_SUCCESS;
+		     result = dns_rdatasetiter_next(rdsit)) {
+			dns_rdatasetiter_current(rdsit, &rdataset);
+			if (!zone_rrset_check_dup(zone, name, &rdataset))
+				ok = ISC_FALSE;
+			dns_rdataset_disassociate(&rdataset);
+		}
+		dns_rdatasetiter_destroy(&rdsit);
+		dns_db_detachnode(db, &node);
+	}
+
+	if (node != NULL)
+		dns_db_detachnode(db, &node);
+	dns_dbiterator_destroy(&dbiterator);
+
+	return (ok);
+}
+
+static isc_boolean_t
 integrity_checks(dns_zone_t *zone, dns_db_t *db) {
 	dns_dbiterator_t *dbiterator = NULL;
 	dns_dbnode_t *node = NULL;
@@ -2052,6 +2219,7 @@ integrity_checks(dns_zone_t *zone, dns_db_t *db) {
 			result = dns_rdataset_next(&rdataset);
 		}
 		dns_rdataset_disassociate(&rdataset);
+		goto next;
 
  checkmx:
 		result = dns_db_findrdataset(db, node, NULL, dns_rdatatype_mx,
@@ -2104,7 +2272,7 @@ integrity_checks(dns_zone_t *zone, dns_db_t *db) {
 
 /*
  * OpenSSL verification of RSA keys with exponent 3 is known to be
- * broken prior OpenSSL 0.9.8c/0.9.7k.  Look for such keys and warn
+ * broken prior OpenSSL 0.9.8c/0.9.7k.	Look for such keys and warn
  * if they are in use.
  */
 static void
@@ -2168,7 +2336,6 @@ zone_check_dnskeys(dns_zone_t *zone, dns_db_t *db) {
 		dns_db_detachnode(db, &node);
 	if (version != NULL)
 		dns_db_closeversion(db, &version, ISC_FALSE);
-
 }
 
 static void
@@ -2189,15 +2356,18 @@ resume_signingwithkey(dns_zone_t *zone) {
 				     zone->privatetype,
 				     dns_rdatatype_none, 0,
 				     &rdataset, NULL);
-	if (result != ISC_R_SUCCESS)
+	if (result != ISC_R_SUCCESS) {
+		INSIST(!dns_rdataset_isassociated(&rdataset));
 		goto cleanup;
+	}
 
 	for (result = dns_rdataset_first(&rdataset);
 	     result == ISC_R_SUCCESS;
 	     result = dns_rdataset_next(&rdataset))
 	{
 		dns_rdataset_current(&rdataset, &rdata);
-		if (rdata.length != 5 || rdata.data[4] != 0) {
+		if (rdata.length != 5 ||
+		    rdata.data[0] == 0 || rdata.data[4] != 0) {
 			dns_rdata_reset(&rdata);
 			continue;
 		}
@@ -2219,7 +2389,6 @@ resume_signingwithkey(dns_zone_t *zone) {
 		dns_db_detachnode(zone->db, &node);
 	if (version != NULL)
 		dns_db_closeversion(zone->db, &version, ISC_FALSE);
-
 }
 
 static isc_result_t
@@ -2228,6 +2397,9 @@ zone_addnsec3chain(dns_zone_t *zone, dns_rdata_nsec3param_t *nsec3param) {
 	isc_result_t result;
 	isc_time_t now;
 	unsigned int options = 0;
+	char saltbuf[255*2+1];
+	char flags[sizeof("REMOVE|CREATE|NONSEC|OPTOUT")];
+	int i;
 
 	nsec3chain = isc_mem_get(zone->mctx, sizeof *nsec3chain);
 	if (nsec3chain == NULL)
@@ -2249,6 +2421,40 @@ zone_addnsec3chain(dns_zone_t *zone, dns_rdata_nsec3param_t *nsec3param) {
 	nsec3chain->delete_nsec = ISC_FALSE;
 	nsec3chain->save_delete_nsec = ISC_FALSE;
 
+	if (nsec3param->flags == 0)
+		strlcpy(flags, "NONE", sizeof(flags));
+	else {
+		flags[0] = '\0';
+		if (nsec3param->flags & DNS_NSEC3FLAG_REMOVE)
+			strlcat(flags, "REMOVE", sizeof(flags));
+		if (nsec3param->flags & DNS_NSEC3FLAG_CREATE) {
+			if (flags[0] == '\0')
+				strlcpy(flags, "CREATE", sizeof(flags));
+			else
+				strlcat(flags, "|CREATE", sizeof(flags));
+		}
+		if (nsec3param->flags & DNS_NSEC3FLAG_NONSEC) {
+			if (flags[0] == '\0')
+				strlcpy(flags, "NONSEC", sizeof(flags));
+			else
+				strlcat(flags, "|NONSEC", sizeof(flags));
+		}
+		if (nsec3param->flags & DNS_NSEC3FLAG_OPTOUT) {
+			if (flags[0] == '\0')
+				strlcpy(flags, "OPTOUT", sizeof(flags));
+			else
+				strlcat(flags, "|OPTOUT", sizeof(flags));
+		}
+	}
+	if (nsec3param->salt_length == 0)
+		strlcpy(saltbuf, "-", sizeof(saltbuf));
+	else
+		for (i = 0; i < nsec3param->salt_length; i++)
+			sprintf(&saltbuf[i*2], "%02X", nsec3chain->salt[i]);
+	dns_zone_log(zone, ISC_LOG_INFO,
+		     "zone_addnsec3chain(%u,%s,%u,%s)",
+		      nsec3param->hash, flags, nsec3param->iterations,
+		      saltbuf);
 	for (current = ISC_LIST_HEAD(zone->nsec3chain);
 	     current != NULL;
 	     current = ISC_LIST_NEXT(current, link)) {
@@ -2298,11 +2504,13 @@ static void
 resume_addnsec3chain(dns_zone_t *zone) {
 	dns_dbnode_t *node = NULL;
 	dns_dbversion_t *version = NULL;
-	dns_rdata_t rdata = DNS_RDATA_INIT;
 	dns_rdataset_t rdataset;
 	isc_result_t result;
 	dns_rdata_nsec3param_t nsec3param;
 
+	if (zone->privatetype == 0)
+		return;
+
 	result = dns_db_findnode(zone->db, &zone->origin, ISC_FALSE, &node);
 	if (result != ISC_R_SUCCESS)
 		goto cleanup;
@@ -2310,17 +2518,25 @@ resume_addnsec3chain(dns_zone_t *zone) {
 	dns_db_currentversion(zone->db, &version);
 	dns_rdataset_init(&rdataset);
 	result = dns_db_findrdataset(zone->db, node, version,
-				     dns_rdatatype_nsec3param,
-				     dns_rdatatype_none, 0,
-				     &rdataset, NULL);
-	if (result != ISC_R_SUCCESS)
+				     zone->privatetype, dns_rdatatype_none,
+				     0, &rdataset, NULL);
+	if (result != ISC_R_SUCCESS) {
+		INSIST(!dns_rdataset_isassociated(&rdataset));
 		goto cleanup;
+	}
 
 	for (result = dns_rdataset_first(&rdataset);
 	     result == ISC_R_SUCCESS;
 	     result = dns_rdataset_next(&rdataset))
 	{
-		dns_rdataset_current(&rdataset, &rdata);
+		unsigned char buf[DNS_NSEC3PARAM_BUFFERSIZE];
+		dns_rdata_t rdata = DNS_RDATA_INIT;
+		dns_rdata_t private = DNS_RDATA_INIT;
+
+		dns_rdataset_current(&rdataset, &private);
+		if (!dns_nsec3param_fromprivate(&private, &rdata, buf,
+						sizeof(buf)))
+			continue;
 		result = dns_rdata_tostruct(&rdata, &nsec3param, NULL);
 		RUNTIME_CHECK(result == ISC_R_SUCCESS);
 		if ((nsec3param.flags & DNS_NSEC3FLAG_CREATE) != 0 ||
@@ -2332,10 +2548,8 @@ resume_addnsec3chain(dns_zone_t *zone) {
 					     dns_result_totext(result));
 			}
 		}
-		dns_rdata_reset(&rdata);
 	}
 	dns_rdataset_disassociate(&rdataset);
-
  cleanup:
 	if (node != NULL)
 		dns_db_detachnode(zone->db, &node);
@@ -2353,8 +2567,8 @@ set_resigntime(dns_zone_t *zone) {
 
 	dns_rdataset_init(&rdataset);
 	dns_fixedname_init(&fixed);
-	result  = dns_db_getsigningtime(zone->db, &rdataset,
-					dns_fixedname_name(&fixed));
+	result = dns_db_getsigningtime(zone->db, &rdataset,
+				       dns_fixedname_name(&fixed));
 	if (result != ISC_R_SUCCESS) {
 		isc_time_settoepoch(&zone->resigntime);
 		return;
@@ -2392,10 +2606,12 @@ check_nsec3param(dns_zone_t *zone, dns_db_t *db) {
 				     dns_rdatatype_nsec3param,
 				     dns_rdatatype_none, 0, &rdataset, NULL);
 	if (result == ISC_R_NOTFOUND) {
+		INSIST(!dns_rdataset_isassociated(&rdataset));
 		result = ISC_R_SUCCESS;
 		goto cleanup;
 	}
 	if (result != ISC_R_SUCCESS) {
+		INSIST(!dns_rdataset_isassociated(&rdataset));
 		dns_zone_log(zone, ISC_LOG_ERROR,
 			     "nsec3param lookup failure: %s",
 			     dns_result_totext(result));
@@ -2456,1230 +2672,1837 @@ check_nsec3param(dns_zone_t *zone, dns_db_t *db) {
 	return (result);
 }
 
+/*
+ * Set the timer for refreshing the key zone to the soonest future time
+ * of the set (current timer, keydata->refresh, keydata->addhd,
+ * keydata->removehd).
+ */
+static void
+set_refreshkeytimer(dns_zone_t *zone, dns_rdata_keydata_t *key,
+		    isc_stdtime_t now) {
+	const char me[] = "set_refreshkeytimer";
+	isc_stdtime_t then;
+	isc_time_t timenow, timethen;
+	char timebuf[80];
+
+	ENTER;
+	then = key->refresh;
+	if (key->addhd > now && key->addhd < then)
+		then = key->addhd;
+	if (key->removehd > now && key->removehd < then)
+		then = key->removehd;
+
+	TIME_NOW(&timenow);
+	if (then > now)
+		DNS_ZONE_TIME_ADD(&timenow, then - now, &timethen);
+	else
+		timethen = timenow;
+	if (isc_time_compare(&zone->refreshkeytime, &timenow) < 0 ||
+	    isc_time_compare(&timethen, &zone->refreshkeytime) < 0)
+		zone->refreshkeytime = timethen;
+
+	isc_time_formattimestamp(&zone->refreshkeytime, timebuf, 80);
+	dns_zone_log(zone, ISC_LOG_DEBUG(1), "next key refresh: %s", timebuf);
+	zone_settimer(zone, &timenow);
+}
+
+/*
+ * Convert key(s) linked from 'keynode' to KEYDATA and add to the key zone.
+ * If the key zone is changed, set '*changed' to ISC_TRUE.
+ */
 static isc_result_t
-zone_postload(dns_zone_t *zone, dns_db_t *db, isc_time_t loadtime,
-	      isc_result_t result)
+create_keydata(dns_zone_t *zone, dns_db_t *db, dns_dbversion_t *ver,
+	       dns_diff_t *diff, dns_keytable_t *keytable,
+	       dns_keynode_t **keynodep, isc_boolean_t *changed)
 {
-	unsigned int soacount = 0;
-	unsigned int nscount = 0;
-	unsigned int errors = 0;
-	isc_uint32_t serial, oldserial, refresh, retry, expire, minimum;
-	isc_time_t now;
-	isc_boolean_t needdump = ISC_FALSE;
-	isc_boolean_t hasinclude = DNS_ZONE_FLAG(zone, DNS_ZONEFLG_HASINCLUDE);
-	unsigned int options;
+	const char me[] = "create_keydata";
+	isc_result_t result = ISC_R_SUCCESS;
+	isc_buffer_t keyb, dstb;
+	unsigned char key_buf[4096], dst_buf[DST_KEY_MAXSIZE];
+	dns_rdata_keydata_t keydata;
+	dns_rdata_dnskey_t dnskey;
+	dns_rdata_t rdata = DNS_RDATA_INIT;
+	dns_keynode_t *keynode;
+	isc_stdtime_t now;
+	isc_region_t r;
+	dst_key_t *key;
 
-	TIME_NOW(&now);
+	REQUIRE(keynodep != NULL);
+	keynode = *keynodep;
 
-	/*
-	 * Initiate zone transfer?  We may need a error code that
-	 * indicates that the "permanent" form does not exist.
-	 * XXX better error feedback to log.
-	 */
-	if (result != ISC_R_SUCCESS && result != DNS_R_SEENINCLUDE) {
-		if (zone->type == dns_zone_slave ||
-		    zone->type == dns_zone_stub) {
-			if (result == ISC_R_FILENOTFOUND)
-				dns_zone_log(zone, ISC_LOG_DEBUG(1),
-					     "no master file");
-			else if (result != DNS_R_NOMASTERFILE)
-				dns_zone_log(zone, ISC_LOG_ERROR,
-					     "loading from master file %s "
-					     "failed: %s",
-					     zone->masterfile,
-					     dns_result_totext(result));
-		} else
-			dns_zone_log(zone, ISC_LOG_ERROR,
-				     "loading from master file %s failed: %s",
-				     zone->masterfile,
-				     dns_result_totext(result));
-		goto cleanup;
-	}
+	ENTER;
+	isc_stdtime_get(&now);
 
-	dns_zone_log(zone, ISC_LOG_DEBUG(2),
-		     "number of nodes in database: %u",
-		     dns_db_nodecount(db));
+	/* Loop in case there's more than one key. */
+	while (result == ISC_R_SUCCESS) {
+		dns_keynode_t *nextnode = NULL;
 
-	if (result == DNS_R_SEENINCLUDE)
-		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_HASINCLUDE);
-	else
-		DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_HASINCLUDE);
+		key = dns_keynode_key(keynode);
+		if (key == NULL)
+			goto skip;
 
-	/*
-	 * Apply update log, if any, on initial load.
-	 */
-	if (zone->journal != NULL &&
-	    ! DNS_ZONE_OPTION(zone, DNS_ZONEOPT_NOMERGE) &&
-	    ! DNS_ZONE_FLAG(zone, DNS_ZONEFLG_LOADED))
-	{
-		if (zone->type == dns_zone_master &&
-		    (zone->update_acl != NULL || zone->ssutable != NULL))
-			options = DNS_JOURNALOPT_RESIGN;
-		else
-			options = 0;
-		result = dns_journal_rollforward2(zone->mctx, db, options,
-						  zone->sigresigninginterval,
-						  zone->journal);
-		if (result != ISC_R_SUCCESS && result != ISC_R_NOTFOUND &&
-		    result != DNS_R_UPTODATE && result != DNS_R_NOJOURNAL &&
-		    result != ISC_R_RANGE) {
-			dns_zone_log(zone, ISC_LOG_ERROR,
-				     "journal rollforward failed: %s",
-				     dns_result_totext(result));
-			goto cleanup;
-		}
-		if (result == ISC_R_NOTFOUND || result == ISC_R_RANGE) {
-			dns_zone_log(zone, ISC_LOG_ERROR,
-				     "journal rollforward failed: "
-				     "journal out of sync with zone");
-			goto cleanup;
+		isc_buffer_init(&dstb, dst_buf, sizeof(dst_buf));
+		CHECK(dst_key_todns(key, &dstb));
+
+		/* Convert DST key to DNSKEY. */
+		dns_rdata_reset(&rdata);
+		isc_buffer_usedregion(&dstb, &r);
+		dns_rdata_fromregion(&rdata, dst_key_class(key),
+				     dns_rdatatype_dnskey, &r);
+
+		/* DSTKEY to KEYDATA. */
+		CHECK(dns_rdata_tostruct(&rdata, &dnskey, NULL));
+		CHECK(dns_keydata_fromdnskey(&keydata, &dnskey, now, 0, 0,
+					     NULL));
+
+		/* KEYDATA to rdata. */
+		dns_rdata_reset(&rdata);
+		isc_buffer_init(&keyb, key_buf, sizeof(key_buf));
+		CHECK(dns_rdata_fromstruct(&rdata,
+					   zone->rdclass, dns_rdatatype_keydata,
+					   &keydata, &keyb));
+
+		/* Add rdata to zone. */
+		CHECK(update_one_rr(db, ver, diff, DNS_DIFFOP_ADD,
+				    dst_key_name(key), 0, &rdata));
+		*changed = ISC_TRUE;
+
+ skip:
+		result = dns_keytable_nextkeynode(keytable, keynode, &nextnode);
+		if (result != ISC_R_NOTFOUND) {
+			dns_keytable_detachkeynode(keytable, &keynode);
+			keynode = nextnode;
 		}
-		dns_zone_log(zone, ISC_LOG_DEBUG(1),
-			     "journal rollforward completed "
-			     "successfully: %s",
-			     dns_result_totext(result));
-		if (result == ISC_R_SUCCESS)
-			needdump = ISC_TRUE;
 	}
 
-	zone->loadtime = loadtime;
+	/* Refresh new keys from the zone apex as soon as possible. */
+	if (*changed)
+		set_refreshkeytimer(zone, &keydata, now);
 
-	dns_zone_log(zone, ISC_LOG_DEBUG(1), "loaded");
-	/*
-	 * Obtain ns, soa and cname counts for top of zone.
-	 */
-	INSIST(db != NULL);
-	result = zone_get_from_db(zone, db, &nscount, &soacount, &serial,
-				  &refresh, &retry, &expire, &minimum,
-				  &errors);
-	if (result != ISC_R_SUCCESS) {
-		dns_zone_log(zone, ISC_LOG_ERROR,
-			     "could not find NS and/or SOA records");
+	if (keynode != NULL)
+		dns_keytable_detachkeynode(keytable, &keynode);
+	*keynodep = NULL;
+
+	return (ISC_R_SUCCESS);
+
+  failure:
+	return (result);
+}
+
+/*
+ * Remove from the key zone all the KEYDATA records found in rdataset.
+ */
+static isc_result_t
+delete_keydata(dns_db_t *db, dns_dbversion_t *ver, dns_diff_t *diff,
+	       dns_name_t *name, dns_rdataset_t *rdataset)
+{
+	dns_rdata_t rdata = DNS_RDATA_INIT;
+	isc_result_t result, uresult;
+
+	for (result = dns_rdataset_first(rdataset);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rdataset_next(rdataset)) {
+		dns_rdata_reset(&rdata);
+		dns_rdataset_current(rdataset, &rdata);
+		uresult = update_one_rr(db, ver, diff, DNS_DIFFOP_DEL,
+					name, 0, &rdata);
+		if (uresult != ISC_R_SUCCESS)
+			return (uresult);
 	}
+	if (result == ISC_R_NOMORE)
+		result = ISC_R_SUCCESS;
+	return (result);
+}
 
-	/*
-	 * Master / Slave / Stub zones require both NS and SOA records at
-	 * the top of the zone.
-	 */
+/*
+ * Compute the DNSSEC key ID for a DNSKEY record.
+ */
+static isc_result_t
+compute_tag(dns_name_t *name, dns_rdata_dnskey_t *dnskey, isc_mem_t *mctx,
+	    dns_keytag_t *tag)
+{
+	isc_result_t result;
+	dns_rdata_t rdata = DNS_RDATA_INIT;
+	unsigned char data[4096];
+	isc_buffer_t buffer;
+	dst_key_t *dstkey = NULL;
 
-	switch (zone->type) {
-	case dns_zone_master:
-	case dns_zone_slave:
-	case dns_zone_stub:
-		if (soacount != 1) {
-			dns_zone_log(zone, ISC_LOG_ERROR,
-				     "has %d SOA records", soacount);
-			result = DNS_R_BADZONE;
-		}
-		if (nscount == 0) {
-			dns_zone_log(zone, ISC_LOG_ERROR,
-				     "has no NS records");
-			result = DNS_R_BADZONE;
-		}
-		if (result != ISC_R_SUCCESS)
-			goto cleanup;
-		if (zone->type == dns_zone_master && errors != 0) {
-			result = DNS_R_BADZONE;
-			goto cleanup;
-		}
-		if (zone->type != dns_zone_stub) {
-			result = check_nsec3param(zone, db);
-			if (result != ISC_R_SUCCESS)
-				goto cleanup;
-		}
-		if (zone->type == dns_zone_master &&
-		    DNS_ZONE_OPTION(zone, DNS_ZONEOPT_CHECKINTEGRITY) &&
-		    !integrity_checks(zone, db)) {
-			result = DNS_R_BADZONE;
-			goto cleanup;
-		}
-
-		if (zone->db != NULL) {
-			/*
-			 * This is checked in zone_replacedb() for slave zones
-			 * as they don't reload from disk.
-			 */
-			result = zone_get_from_db(zone, zone->db, NULL, NULL,
-						  &oldserial, NULL, NULL, NULL,
-						  NULL, NULL);
-			RUNTIME_CHECK(result == ISC_R_SUCCESS);
-			if (DNS_ZONE_OPTION(zone, DNS_ZONEOPT_IXFRFROMDIFFS) &&
-			    !isc_serial_gt(serial, oldserial)) {
-				isc_uint32_t serialmin, serialmax;
+	isc_buffer_init(&buffer, data, sizeof(data));
+	dns_rdata_fromstruct(&rdata, dnskey->common.rdclass,
+			     dns_rdatatype_dnskey, dnskey, &buffer);
 
-				INSIST(zone->type == dns_zone_master);
+	result = dns_dnssec_keyfromrdata(name, &rdata, mctx, &dstkey);
+	if (result == ISC_R_SUCCESS)
+		*tag = dst_key_id(dstkey);
+	dst_key_free(&dstkey);
 
-				serialmin = (oldserial + 1) & 0xffffffffU;
-				serialmax = (oldserial + 0x7fffffffU) &
-					     0xffffffffU;
-				dns_zone_log(zone, ISC_LOG_ERROR,
-					     "ixfr-from-differences: "
-					     "new serial (%u) out of range "
-					     "[%u - %u]", serial, serialmin,
-					     serialmax);
-				result = DNS_R_BADZONE;
-				goto cleanup;
-			} else if (!isc_serial_ge(serial, oldserial))
-				dns_zone_log(zone, ISC_LOG_ERROR,
-					     "zone serial has gone backwards");
-			else if (serial == oldserial && !hasinclude)
-				dns_zone_log(zone, ISC_LOG_ERROR,
-					     "zone serial unchanged. "
-					     "zone may fail to transfer "
-					     "to slaves.");
-		}
+	return (result);
+}
 
-		if (zone->type == dns_zone_master &&
-		    (zone->update_acl != NULL || zone->ssutable != NULL) &&
-		    zone->sigresigninginterval < (3 * refresh) &&
-		    dns_db_issecure(db))
-		{
-			dns_zone_log(zone, ISC_LOG_WARNING,
-				     "sig-re-signing-interval less than "
-				     "3 * refresh.");
-		}
+/*
+ * Add key to the security roots for all views.
+ */
+static void
+trust_key(dns_viewlist_t *viewlist, dns_name_t *keyname,
+	  dns_rdata_dnskey_t *dnskey, isc_mem_t *mctx) {
+	isc_result_t result;
+	dns_rdata_t rdata = DNS_RDATA_INIT;
+	unsigned char data[4096];
+	isc_buffer_t buffer;
+	dns_view_t *view;
+	dns_keytable_t *sr = NULL;
+	dst_key_t *dstkey = NULL;
 
-		zone->refresh = RANGE(refresh,
-				      zone->minrefresh, zone->maxrefresh);
-		zone->retry = RANGE(retry,
-				    zone->minretry, zone->maxretry);
-		zone->expire = RANGE(expire, zone->refresh + zone->retry,
-				     DNS_MAX_EXPIRE);
-		zone->minimum = minimum;
-		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_HAVETIMERS);
+	/* Convert dnskey to DST key. */
+	isc_buffer_init(&buffer, data, sizeof(data));
+	dns_rdata_fromstruct(&rdata, dnskey->common.rdclass,
+			     dns_rdatatype_dnskey, dnskey, &buffer);
 
-		if (zone->type == dns_zone_slave ||
-		    zone->type == dns_zone_stub) {
-			isc_time_t t;
-			isc_uint32_t delay;
+	for (view = ISC_LIST_HEAD(*viewlist); view != NULL;
+	     view = ISC_LIST_NEXT(view, link)) {
 
-			result = isc_file_getmodtime(zone->journal, &t);
-			if (result != ISC_R_SUCCESS)
-				result = isc_file_getmodtime(zone->masterfile,
-							     &t);
-			if (result == ISC_R_SUCCESS)
-				DNS_ZONE_TIME_ADD(&t, zone->expire,
-						  &zone->expiretime);
-			else
-				DNS_ZONE_TIME_ADD(&now, zone->retry,
-						  &zone->expiretime);
+		result = dns_view_getsecroots(view, &sr);
+		if (result != ISC_R_SUCCESS)
+			continue;
 
-			delay = isc_random_jitter(zone->retry,
-						  (zone->retry * 3) / 4);
-			DNS_ZONE_TIME_ADD(&now, delay, &zone->refreshtime);
-			if (isc_time_compare(&zone->refreshtime,
-					     &zone->expiretime) >= 0)
-				zone->refreshtime = now;
-		}
-		break;
-	default:
-		UNEXPECTED_ERROR(__FILE__, __LINE__,
-				 "unexpected zone type %d", zone->type);
-		result = ISC_R_UNEXPECTED;
-		goto cleanup;
+		CHECK(dns_dnssec_keyfromrdata(keyname, &rdata, mctx, &dstkey));
+		CHECK(dns_keytable_add(sr, ISC_TRUE, &dstkey));
+		dns_keytable_detach(&sr);
 	}
 
-	/*
-	 * Check for weak DNSKEY's.
-	 */
-	if (zone->type == dns_zone_master)
-		zone_check_dnskeys(zone, db);
+  failure:
+	if (dstkey != NULL)
+		dst_key_free(&dstkey);
+	if (sr != NULL)
+		dns_keytable_detach(&sr);
+	return;
+}
 
-#if 0
-	/* destroy notification example. */
-	{
-		isc_event_t *e = isc_event_allocate(zone->mctx, NULL,
-						    DNS_EVENT_DBDESTROYED,
-						    dns_zonemgr_dbdestroyed,
-						    zone,
-						    sizeof(isc_event_t));
-		dns_db_ondestroy(db, zone->task, &e);
-	}
-#endif
+/*
+ * Remove key from the security roots for all views.
+ */
+static void
+untrust_key(dns_viewlist_t *viewlist, dns_name_t *keyname, isc_mem_t *mctx,
+	    dns_rdata_dnskey_t *dnskey)
+{
+	dns_view_t *view;
 
-	ZONEDB_LOCK(&zone->dblock, isc_rwlocktype_write);
-	if (zone->db != NULL) {
-		result = zone_replacedb(zone, db, ISC_FALSE);
-		ZONEDB_UNLOCK(&zone->dblock, isc_rwlocktype_write);
-		if (result != ISC_R_SUCCESS)
-			goto cleanup;
-	} else {
-		zone_attachdb(zone, db);
-		ZONEDB_UNLOCK(&zone->dblock, isc_rwlocktype_write);
-		DNS_ZONE_SETFLAG(zone,
-				 DNS_ZONEFLG_LOADED|DNS_ZONEFLG_NEEDNOTIFY);
-	}
-	result = ISC_R_SUCCESS;
-	if (needdump)
-		zone_needdump(zone, DNS_DUMP_DELAY);
-	if (zone->task != NULL) {
-		if (zone->type == dns_zone_master) {
-			set_resigntime(zone);
-			resume_signingwithkey(zone);
-			resume_addnsec3chain(zone);
-		}
-		zone_settimer(zone, &now);
-	}
+	for (view = ISC_LIST_HEAD(*viewlist); view != NULL;
+	     view = ISC_LIST_NEXT(view, link))
+		dns_view_untrust(view, keyname, dnskey, mctx);
+}
 
-	if (! dns_db_ispersistent(db))
-		dns_zone_log(zone, ISC_LOG_INFO, "loaded serial %u%s", serial,
-			     dns_db_issecure(db) ? " (signed)" : "");
+/*
+ * Add a null key to the security roots for all views, so that all queries
+ * to the zone will fail.
+ */
+static void
+fail_secure(dns_viewlist_t *viewlist, dns_name_t *keyname) {
+	isc_result_t result;
+	dns_view_t *view;
 
-	return (result);
+	for (view = ISC_LIST_HEAD(*viewlist);
+	     view != NULL;
+	     view = ISC_LIST_NEXT(view, link)) {
+		dns_keytable_t *sr = NULL;
 
- cleanup:
-	if (zone->type == dns_zone_slave ||
-	    zone->type == dns_zone_stub) {
-		if (zone->journal != NULL)
-			zone_saveunique(zone, zone->journal, "jn-XXXXXXXX");
-		if (zone->masterfile != NULL)
-			zone_saveunique(zone, zone->masterfile, "db-XXXXXXXX");
+		result = dns_view_getsecroots(view, &sr);
+		if (result != ISC_R_SUCCESS)
+			continue;
 
-		/* Mark the zone for immediate refresh. */
-		zone->refreshtime = now;
-		if (zone->task != NULL)
-			zone_settimer(zone, &now);
-		result = ISC_R_SUCCESS;
-	} else if (zone->type == dns_zone_master)
-		dns_zone_log(zone, ISC_LOG_ERROR, "not loaded due to errors.");
-	return (result);
+		dns_keytable_marksecure(sr, keyname);
+		dns_keytable_detach(&sr);
+	}
 }
 
-static isc_boolean_t
-exit_check(dns_zone_t *zone) {
+/*
+ * Scan a set of KEYDATA records from the key zone.  The ones that are
+ * valid (i.e., the add holddown timer has expired) become trusted keys for
+ * all views.
+ */
+static void
+load_secroots(dns_zone_t *zone, dns_name_t *name, dns_rdataset_t *rdataset) {
+	isc_result_t result;
+	dns_rdata_t rdata = DNS_RDATA_INIT;
+	dns_rdata_keydata_t keydata;
+	dns_rdata_dnskey_t dnskey;
+	isc_mem_t *mctx = zone->mctx;
+	dns_view_t *view = zone->view;
+	dns_viewlist_t *viewlist = view->viewlist;
+	int trusted = 0, revoked = 0, pending = 0;
+	isc_stdtime_t now;
 
-	REQUIRE(LOCKED_ZONE(zone));
+	isc_stdtime_get(&now);
 
-	if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_SHUTDOWN) &&
-	    zone->irefs == 0)
-	{
-		/*
-		 * DNS_ZONEFLG_SHUTDOWN can only be set if erefs == 0.
-		 */
-		INSIST(isc_refcount_current(&zone->erefs) == 0);
-		return (ISC_TRUE);
+	/* For each view, delete references to this key from secroots. */
+	for (view = ISC_LIST_HEAD(*viewlist); view != NULL;
+	     view = ISC_LIST_NEXT(view, link)) {
+		dns_keytable_t *sr = NULL;
+
+		result = dns_view_getsecroots(view, &sr);
+		if (result != ISC_R_SUCCESS)
+			continue;
+
+		dns_keytable_delete(sr, name);
+		dns_keytable_detach(&sr);
 	}
-	return (ISC_FALSE);
-}
 
-static isc_boolean_t
-zone_check_ns(dns_zone_t *zone, dns_db_t *db, dns_name_t *name) {
-	isc_result_t result;
-	char namebuf[DNS_NAME_FORMATSIZE];
-	char altbuf[DNS_NAME_FORMATSIZE];
-	dns_fixedname_t fixed;
-	dns_name_t *foundname;
-	int level;
+	/* Now insert all the accepted trust anchors from this keydata set. */
+	for (result = dns_rdataset_first(rdataset);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rdataset_next(rdataset)) {
+		dns_rdata_reset(&rdata);
+		dns_rdataset_current(rdataset, &rdata);
 
-	if (DNS_ZONE_OPTION(zone, DNS_ZONEOPT_NOCHECKNS))
-		return (ISC_TRUE);
+		/* Convert rdata to keydata. */
+		dns_rdata_tostruct(&rdata, &keydata, NULL);
 
-	if (zone->type == dns_zone_master)
-		level = ISC_LOG_ERROR;
-	else
-		level = ISC_LOG_WARNING;
+		/* Set the key refresh timer. */
+		set_refreshkeytimer(zone, &keydata, now);
 
-	dns_fixedname_init(&fixed);
-	foundname = dns_fixedname_name(&fixed);
+		/* If the removal timer is nonzero, this key was revoked. */
+		if (keydata.removehd != 0) {
+			revoked++;
+			continue;
+		}
 
-	result = dns_db_find(db, name, NULL, dns_rdatatype_a,
-			     0, 0, NULL, foundname, NULL, NULL);
-	if (result == ISC_R_SUCCESS)
-		return (ISC_TRUE);
+		/*
+		 * If the add timer is still pending, this key is not
+		 * trusted yet.
+		 */
+		if (now < keydata.addhd) {
+			pending++;
+			continue;
+		}
 
-	if (result == DNS_R_NXRRSET) {
-		result = dns_db_find(db, name, NULL, dns_rdatatype_aaaa,
-				     0, 0, NULL, foundname, NULL, NULL);
-		if (result == ISC_R_SUCCESS)
-			return (ISC_TRUE);
-	}
+		/* Convert keydata to dnskey. */
+		dns_keydata_todnskey(&keydata, &dnskey, NULL);
 
-	dns_name_format(name, namebuf, sizeof namebuf);
-	if (result == DNS_R_NXRRSET || result == DNS_R_NXDOMAIN ||
-	    result == DNS_R_EMPTYNAME) {
-		dns_zone_log(zone, level,
-			     "NS '%s' has no address records (A or AAAA)",
-			     namebuf);
-		/* XXX950 Make fatal ISC_FALSE for 9.5.0. */
-		return (ISC_TRUE);
+		/* Add to keytables. */
+		trusted++;
+		trust_key(viewlist, name, &dnskey, mctx);
 	}
 
-	if (result == DNS_R_CNAME) {
-		dns_zone_log(zone, level, "NS '%s' is a CNAME (illegal)",
-			     namebuf);
-		/* XXX950 Make fatal ISC_FALSE for 9.5.0. */
-		return (ISC_TRUE);
+	if (trusted == 0 && pending != 0) {
+		char namebuf[DNS_NAME_FORMATSIZE];
+		dns_name_format(name, namebuf, sizeof namebuf);
+		dns_zone_log(zone, ISC_LOG_ERROR,
+			     "No valid trust anchors for '%s'!", namebuf);
+		dns_zone_log(zone, ISC_LOG_ERROR,
+			     "%d key(s) revoked, %d still pending",
+			     revoked, pending);
+		dns_zone_log(zone, ISC_LOG_ERROR,
+			     "All queries to '%s' will fail", namebuf);
+		fail_secure(viewlist, name);
 	}
-
-	if (result == DNS_R_DNAME) {
-		dns_name_format(foundname, altbuf, sizeof altbuf);
-		dns_zone_log(zone, level,
-			     "NS '%s' is below a DNAME '%s' (illegal)",
-			     namebuf, altbuf);
-		/* XXX950 Make fatal ISC_FALSE for 9.5.0. */
-		return (ISC_TRUE);
-	}
-
-	return (ISC_TRUE);
-}
+}
 
 static isc_result_t
-zone_count_ns_rr(dns_zone_t *zone, dns_db_t *db, dns_dbnode_t *node,
-		 dns_dbversion_t *version, unsigned int *nscount,
-		 unsigned int *errors)
+do_one_tuple(dns_difftuple_t **tuple, dns_db_t *db, dns_dbversion_t *ver,
+	     dns_diff_t *diff)
 {
+	dns_diff_t temp_diff;
 	isc_result_t result;
-	unsigned int count = 0;
-	unsigned int ecount = 0;
-	dns_rdataset_t rdataset;
-	dns_rdata_t rdata;
-	dns_rdata_ns_t ns;
 
-	dns_rdataset_init(&rdataset);
-	result = dns_db_findrdataset(db, node, version, dns_rdatatype_ns,
-				     dns_rdatatype_none, 0, &rdataset, NULL);
-	if (result == ISC_R_NOTFOUND)
-		goto success;
-	if (result != ISC_R_SUCCESS)
-		goto invalidate_rdataset;
+	/*
+	 * Create a singleton diff.
+	 */
+	dns_diff_init(diff->mctx, &temp_diff);
+	temp_diff.resign = diff->resign;
+	ISC_LIST_APPEND(temp_diff.tuples, *tuple, link);
 
-	result = dns_rdataset_first(&rdataset);
-	while (result == ISC_R_SUCCESS) {
-		if (errors != NULL && zone->rdclass == dns_rdataclass_in &&
-		    (zone->type == dns_zone_master ||
-		     zone->type == dns_zone_slave)) {
-			dns_rdata_init(&rdata);
-			dns_rdataset_current(&rdataset, &rdata);
-			result = dns_rdata_tostruct(&rdata, &ns, NULL);
-			RUNTIME_CHECK(result == ISC_R_SUCCESS);
-			if (dns_name_issubdomain(&ns.name, &zone->origin) &&
-			    !zone_check_ns(zone, db, &ns.name))
-				ecount++;
-		}
-		count++;
-		result = dns_rdataset_next(&rdataset);
+	/*
+	 * Apply it to the database.
+	 */
+	result = dns_diff_apply(&temp_diff, db, ver);
+	ISC_LIST_UNLINK(temp_diff.tuples, *tuple, link);
+	if (result != ISC_R_SUCCESS) {
+		dns_difftuple_free(tuple);
+		return (result);
 	}
-	dns_rdataset_disassociate(&rdataset);
-
- success:
-	if (nscount != NULL)
-		*nscount = count;
-	if (errors != NULL)
-		*errors = ecount;
 
-	result = ISC_R_SUCCESS;
-
- invalidate_rdataset:
-	dns_rdataset_invalidate(&rdataset);
+	/*
+	 * Merge it into the current pending journal entry.
+	 */
+	dns_diff_appendminimal(diff, tuple);
 
-	return (result);
+	/*
+	 * Do not clear temp_diff.
+	 */
+	return (ISC_R_SUCCESS);
 }
 
 static isc_result_t
-zone_load_soa_rr(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
-		 unsigned int *soacount,
-		 isc_uint32_t *serial, isc_uint32_t *refresh,
-		 isc_uint32_t *retry, isc_uint32_t *expire,
-		 isc_uint32_t *minimum)
+update_one_rr(dns_db_t *db, dns_dbversion_t *ver, dns_diff_t *diff,
+	      dns_diffop_t op, dns_name_t *name, dns_ttl_t ttl,
+	      dns_rdata_t *rdata)
 {
+	dns_difftuple_t *tuple = NULL;
 	isc_result_t result;
-	unsigned int count;
-	dns_rdataset_t rdataset;
-	dns_rdata_t rdata = DNS_RDATA_INIT;
-	dns_rdata_soa_t soa;
-
-	dns_rdataset_init(&rdataset);
-	result = dns_db_findrdataset(db, node, version, dns_rdatatype_soa,
-				     dns_rdatatype_none, 0, &rdataset, NULL);
-	if (result == ISC_R_NOTFOUND) {
-		if (soacount != NULL)
-			*soacount = 0;
-		if (serial != NULL)
-			*serial = 0;
-		if (refresh != NULL)
-			*refresh = 0;
-		if (retry != NULL)
-			*retry = 0;
-		if (expire != NULL)
-			*expire = 0;
-		if (minimum != NULL)
-			*minimum = 0;
-		result = ISC_R_SUCCESS;
-		goto invalidate_rdataset;
-	}
+	result = dns_difftuple_create(diff->mctx, op,
+				      name, ttl, rdata, &tuple);
 	if (result != ISC_R_SUCCESS)
-		goto invalidate_rdataset;
+		return (result);
+	return (do_one_tuple(&tuple, db, ver, diff));
+}
 
-	count = 0;
-	result = dns_rdataset_first(&rdataset);
-	while (result == ISC_R_SUCCESS) {
-		dns_rdata_init(&rdata);
-		dns_rdataset_current(&rdataset, &rdata);
-		count++;
-		if (count == 1) {
-			result = dns_rdata_tostruct(&rdata, &soa, NULL);
-			RUNTIME_CHECK(result == ISC_R_SUCCESS);
-		}
+static isc_result_t
+increment_soa_serial(dns_db_t *db, dns_dbversion_t *ver,
+		     dns_diff_t *diff, isc_mem_t *mctx) {
+	dns_difftuple_t *deltuple = NULL;
+	dns_difftuple_t *addtuple = NULL;
+	isc_uint32_t serial;
+	isc_result_t result;
 
-		result = dns_rdataset_next(&rdataset);
-		dns_rdata_reset(&rdata);
-	}
-	dns_rdataset_disassociate(&rdataset);
+	CHECK(dns_db_createsoatuple(db, ver, mctx, DNS_DIFFOP_DEL, &deltuple));
+	CHECK(dns_difftuple_copy(deltuple, &addtuple));
+	addtuple->op = DNS_DIFFOP_ADD;
 
-	if (soacount != NULL)
-		*soacount = count;
+	serial = dns_soa_getserial(&addtuple->rdata);
 
-	if (count > 0) {
-		if (serial != NULL)
-			*serial = soa.serial;
-		if (refresh != NULL)
-			*refresh = soa.refresh;
-		if (retry != NULL)
-			*retry = soa.retry;
-		if (expire != NULL)
-			*expire = soa.expire;
-		if (minimum != NULL)
-			*minimum = soa.minimum;
-	}
+	/* RFC1982 */
+	serial = (serial + 1) & 0xFFFFFFFF;
+	if (serial == 0)
+		serial = 1;
 
+	dns_soa_setserial(serial, &addtuple->rdata);
+	CHECK(do_one_tuple(&deltuple, db, ver, diff));
+	CHECK(do_one_tuple(&addtuple, db, ver, diff));
 	result = ISC_R_SUCCESS;
 
- invalidate_rdataset:
-	dns_rdataset_invalidate(&rdataset);
+	failure:
+	if (addtuple != NULL)
+		dns_difftuple_free(&addtuple);
+	if (deltuple != NULL)
+		dns_difftuple_free(&deltuple);
+	return (result);
+}
+
+/*
+ * Write all transactions in 'diff' to the zone journal file.
+ */
+static isc_result_t
+zone_journal(dns_zone_t *zone, dns_diff_t *diff, const char *caller) {
+	const char me[] = "zone_journal";
+	const char *journalfile;
+	isc_result_t result = ISC_R_SUCCESS;
+	dns_journal_t *journal = NULL;
+
+	ENTER;
+	journalfile = dns_zone_getjournal(zone);
+	if (journalfile != NULL) {
+		result = dns_journal_open(zone->mctx, journalfile,
+					  ISC_TRUE, &journal);
+		if (result != ISC_R_SUCCESS) {
+			dns_zone_log(zone, ISC_LOG_ERROR,
+				     "%s:dns_journal_open -> %s\n",
+				     caller, dns_result_totext(result));
+			return (result);
+		}
 
+		result = dns_journal_write_transaction(journal, diff);
+		dns_journal_destroy(&journal);
+		if (result != ISC_R_SUCCESS) {
+			dns_zone_log(zone, ISC_LOG_ERROR,
+				     "%s:dns_journal_write_transaction -> %s\n",
+				     caller, dns_result_totext(result));
+			return (result);
+		}
+	}
 	return (result);
 }
 
 /*
- * zone must be locked.
+ * Create an SOA record for a newly-created zone
  */
 static isc_result_t
-zone_get_from_db(dns_zone_t *zone, dns_db_t *db, unsigned int *nscount,
-		 unsigned int *soacount, isc_uint32_t *serial,
-		 isc_uint32_t *refresh, isc_uint32_t *retry,
-		 isc_uint32_t *expire, isc_uint32_t *minimum,
-		 unsigned int *errors)
-{
-	dns_dbversion_t *version;
+add_soa(dns_zone_t *zone, dns_db_t *db) {
 	isc_result_t result;
-	isc_result_t answer = ISC_R_SUCCESS;
-	dns_dbnode_t *node;
-
-	REQUIRE(db != NULL);
-	REQUIRE(zone != NULL);
+	dns_rdata_t rdata = DNS_RDATA_INIT;
+	unsigned char buf[DNS_SOA_BUFFERSIZE];
+	dns_dbversion_t *ver = NULL;
+	dns_diff_t diff;
 
-	version = NULL;
-	dns_db_currentversion(db, &version);
+	dns_zone_log(zone, ISC_LOG_DEBUG(1), "creating SOA");
 
-	node = NULL;
-	result = dns_db_findnode(db, &zone->origin, ISC_FALSE, &node);
+	dns_diff_init(zone->mctx, &diff);
+	result = dns_db_newversion(db, &ver);
 	if (result != ISC_R_SUCCESS) {
-		answer = result;
-		goto closeversion;
+		dns_zone_log(zone, ISC_LOG_ERROR,
+			     "add_soa:dns_db_newversion -> %s\n",
+			     dns_result_totext(result));
+		goto failure;
 	}
 
-	if (nscount != NULL || errors != NULL) {
-		result = zone_count_ns_rr(zone, db, node, version,
-					  nscount, errors);
-		if (result != ISC_R_SUCCESS)
-			answer = result;
+	/* Build SOA record */
+	result = dns_soa_buildrdata(&zone->origin, dns_rootname, zone->rdclass,
+				    0, 0, 0, 0, 0, buf, &rdata);
+	if (result != ISC_R_SUCCESS) {
+		dns_zone_log(zone, ISC_LOG_ERROR,
+			     "add_soa:dns_soa_buildrdata -> %s\n",
+			     dns_result_totext(result));
+		goto failure;
 	}
 
-	if (soacount != NULL || serial != NULL || refresh != NULL
-	    || retry != NULL || expire != NULL || minimum != NULL) {
-		result = zone_load_soa_rr(db, node, version, soacount,
-					  serial, refresh, retry, expire,
-					  minimum);
-		if (result != ISC_R_SUCCESS)
-			answer = result;
-	}
+	result = update_one_rr(db, ver, &diff, DNS_DIFFOP_ADD,
+			       &zone->origin, 0, &rdata);
 
-	dns_db_detachnode(db, &node);
- closeversion:
-	dns_db_closeversion(db, &version, ISC_FALSE);
+failure:
+	dns_diff_clear(&diff);
+	if (ver != NULL)
+		dns_db_closeversion(db, &ver, ISC_TF(result == ISC_R_SUCCESS));
 
-	return (answer);
+	return (result);
 }
 
-void
-dns_zone_attach(dns_zone_t *source, dns_zone_t **target) {
-	REQUIRE(DNS_ZONE_VALID(source));
-	REQUIRE(target != NULL && *target == NULL);
-	isc_refcount_increment(&source->erefs, NULL);
-	*target = source;
-}
+/*
+ * Synchronize the set of initializing keys found in managed-keys {}
+ * statements with the set of trust anchors found in the managed-keys.bind
+ * zone.  If a domain is no longer named in managed-keys, delete all keys
+ * from that domain from the key zone.	If a domain is mentioned in in
+ * managed-keys but there are no references to it in the key zone, load
+ * the key zone with the initializing key(s) for that domain.
+ */
+static isc_result_t
+sync_keyzone(dns_zone_t *zone, dns_db_t *db) {
+	isc_result_t result = ISC_R_SUCCESS;
+	isc_boolean_t changed = ISC_FALSE;
+	dns_rbtnodechain_t chain;
+	dns_fixedname_t fn;
+	dns_name_t foundname, *origin;
+	dns_keynode_t *keynode = NULL;
+	dns_view_t *view = zone->view;
+	dns_keytable_t *sr = NULL;
+	dns_dbversion_t *ver = NULL;
+	dns_diff_t diff;
+	dns_rriterator_t rrit;
 
-void
-dns_zone_detach(dns_zone_t **zonep) {
-	dns_zone_t *zone;
-	unsigned int refs;
-	isc_boolean_t free_now = ISC_FALSE;
+	dns_zone_log(zone, ISC_LOG_DEBUG(1), "synchronizing trusted keys");
 
-	REQUIRE(zonep != NULL && DNS_ZONE_VALID(*zonep));
+	dns_name_init(&foundname, NULL);
+	dns_fixedname_init(&fn);
+	origin = dns_fixedname_name(&fn);
 
-	zone = *zonep;
+	dns_diff_init(zone->mctx, &diff);
 
-	isc_refcount_decrement(&zone->erefs, &refs);
+	CHECK(dns_view_getsecroots(view, &sr));
 
-	if (refs == 0) {
-		LOCK_ZONE(zone);
-		/*
-		 * We just detached the last external reference.
-		 */
-		if (zone->task != NULL) {
-			/*
-			 * This zone is being managed.  Post
-			 * its control event and let it clean
-			 * up synchronously in the context of
-			 * its task.
-			 */
-			isc_event_t *ev = &zone->ctlevent;
-			isc_task_send(zone->task, &ev);
-		} else {
-			/*
-			 * This zone is not being managed; it has
-			 * no task and can have no outstanding
-			 * events.  Free it immediately.
-			 */
-			/*
-			 * Unmanaged zones should not have non-null views;
-			 * we have no way of detaching from the view here
-			 * without causing deadlock because this code is called
-			 * with the view already locked.
-			 */
-			INSIST(zone->view == NULL);
-			free_now = ISC_TRUE;
-		}
-		UNLOCK_ZONE(zone);
+	result = dns_db_newversion(db, &ver);
+	if (result != ISC_R_SUCCESS) {
+		dns_zone_log(zone, ISC_LOG_ERROR,
+			     "sync_keyzone:dns_db_newversion -> %s\n",
+			     dns_result_totext(result));
+		goto failure;
 	}
-	*zonep = NULL;
-	if (free_now)
-		zone_free(zone);
-}
-
-void
-dns_zone_iattach(dns_zone_t *source, dns_zone_t **target) {
-	REQUIRE(DNS_ZONE_VALID(source));
-	REQUIRE(target != NULL && *target == NULL);
-	LOCK_ZONE(source);
-	zone_iattach(source, target);
-	UNLOCK_ZONE(source);
-}
-
-static void
-zone_iattach(dns_zone_t *source, dns_zone_t **target) {
 
 	/*
-	 * 'source' locked by caller.
+	 * Walk the zone DB.  If we find any keys whose names are no longer
+	 * in managed-keys (or *are* in trusted-keys, meaning they are
+	 * permanent and not RFC5011-maintained), delete them from the
+	 * zone.  Otherwise call load_secroots(), which loads keys into
+	 * secroots as appropriate.
 	 */
-	REQUIRE(LOCKED_ZONE(source));
-	REQUIRE(DNS_ZONE_VALID(source));
-	REQUIRE(target != NULL && *target == NULL);
-	INSIST(source->irefs + isc_refcount_current(&source->erefs) > 0);
-	source->irefs++;
-	INSIST(source->irefs != 0);
-	*target = source;
-}
+	dns_rriterator_init(&rrit, db, ver, 0);
+	for (result = dns_rriterator_first(&rrit);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rriterator_nextrrset(&rrit)) {
+		dns_rdataset_t *rdataset;
+		dns_name_t *rrname = NULL;
+		isc_uint32_t ttl;
+
+		dns_rriterator_current(&rrit, &rrname, &ttl,
+				       &rdataset, NULL);
+		if (!dns_rdataset_isassociated(rdataset)) {
+			dns_rriterator_destroy(&rrit);
+			goto failure;
+		}
 
-static void
-zone_idetach(dns_zone_t **zonep) {
-	dns_zone_t *zone;
+		if (rdataset->type != dns_rdatatype_keydata)
+			continue;
+
+		result = dns_keytable_find(sr, rrname, &keynode);
+		if ((result != ISC_R_SUCCESS &&
+		     result != DNS_R_PARTIALMATCH) ||
+		    dns_keynode_managed(keynode) == ISC_FALSE) {
+			CHECK(delete_keydata(db, ver, &diff,
+					     rrname, rdataset));
+			changed = ISC_TRUE;
+		} else {
+			load_secroots(zone, rrname, rdataset);
+		}
+
+		if (keynode != NULL)
+			dns_keytable_detachkeynode(sr, &keynode);
+	}
+	dns_rriterator_destroy(&rrit);
 
 	/*
-	 * 'zone' locked by caller.
+	 * Now walk secroots to find any managed keys that aren't
+	 * in the zone.  If we find any, we add them to the zone.
 	 */
-	REQUIRE(zonep != NULL && DNS_ZONE_VALID(*zonep));
-	zone = *zonep;
-	REQUIRE(LOCKED_ZONE(*zonep));
-	*zonep = NULL;
-
-	INSIST(zone->irefs > 0);
-	zone->irefs--;
-	INSIST(zone->irefs + isc_refcount_current(&zone->erefs) > 0);
-}
+	RWLOCK(&sr->rwlock, isc_rwlocktype_write);
+	dns_rbtnodechain_init(&chain, zone->mctx);
+	result = dns_rbtnodechain_first(&chain, sr->table, &foundname, origin);
+	if (result == ISC_R_NOTFOUND)
+		result = ISC_R_NOMORE;
+	while (result == DNS_R_NEWORIGIN || result == ISC_R_SUCCESS) {
+		dns_rbtnode_t *rbtnode = NULL;
+
+		dns_rbtnodechain_current(&chain, &foundname, origin, &rbtnode);
+		if (rbtnode->data == NULL)
+			goto skip;
+
+		dns_keytable_attachkeynode(sr, rbtnode->data, &keynode);
+		if (dns_keynode_managed(keynode)) {
+			dns_fixedname_t fname;
+			dns_name_t *keyname;
+			dst_key_t *key;
+
+			key = dns_keynode_key(keynode);
+			dns_fixedname_init(&fname);
+
+			if (key == NULL)   /* fail_secure() was called. */
+				goto skip;
+
+			keyname = dst_key_name(key);
+			result = dns_db_find(db, keyname, ver,
+					     dns_rdatatype_keydata,
+					     DNS_DBFIND_NOWILD, 0, NULL,
+					     dns_fixedname_name(&fname),
+					     NULL, NULL);
+			if (result != ISC_R_SUCCESS)
+				result = create_keydata(zone, db, ver, &diff,
+							sr, &keynode, &changed);
+			if (result != ISC_R_SUCCESS)
+				break;
+		}
+  skip:
+		result = dns_rbtnodechain_next(&chain, &foundname, origin);
+		if (keynode != NULL)
+			dns_keytable_detachkeynode(sr, &keynode);
+	}
+	RWUNLOCK(&sr->rwlock, isc_rwlocktype_write);
 
-void
-dns_zone_idetach(dns_zone_t **zonep) {
-	dns_zone_t *zone;
-	isc_boolean_t free_needed;
+	if (result == ISC_R_NOMORE)
+		result = ISC_R_SUCCESS;
 
-	REQUIRE(zonep != NULL && DNS_ZONE_VALID(*zonep));
-	zone = *zonep;
-	*zonep = NULL;
+	if (changed) {
+		/* Write changes to journal file. */
+		result = increment_soa_serial(db, ver, &diff, zone->mctx);
+		if (result == ISC_R_SUCCESS)
+			zone_journal(zone, &diff, "sync_keyzone");
 
-	LOCK_ZONE(zone);
-	INSIST(zone->irefs > 0);
-	zone->irefs--;
-	free_needed = exit_check(zone);
-	UNLOCK_ZONE(zone);
-	if (free_needed)
-		zone_free(zone);
-}
+		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_LOADED);
+		zone_needdump(zone, 30);
+	}
 
-isc_mem_t *
-dns_zone_getmctx(dns_zone_t *zone) {
-	REQUIRE(DNS_ZONE_VALID(zone));
+ failure:
+	if (keynode != NULL)
+		dns_keytable_detachkeynode(sr, &keynode);
+	if (sr != NULL)
+		dns_keytable_detach(&sr);
+	if (ver != NULL)
+		dns_db_closeversion(db, &ver, changed);
+	dns_diff_clear(&diff);
 
-	return (zone->mctx);
+	return (result);
 }
 
-dns_zonemgr_t *
-dns_zone_getmgr(dns_zone_t *zone) {
-	REQUIRE(DNS_ZONE_VALID(zone));
+static isc_result_t
+zone_postload(dns_zone_t *zone, dns_db_t *db, isc_time_t loadtime,
+	      isc_result_t result)
+{
+	unsigned int soacount = 0;
+	unsigned int nscount = 0;
+	unsigned int errors = 0;
+	isc_uint32_t serial, oldserial, refresh, retry, expire, minimum;
+	isc_time_t now;
+	isc_boolean_t needdump = ISC_FALSE;
+	isc_boolean_t hasinclude = DNS_ZONE_FLAG(zone, DNS_ZONEFLG_HASINCLUDE);
+	isc_boolean_t nomaster = ISC_FALSE;
+	unsigned int options;
 
-	return (zone->zmgr);
-}
+	TIME_NOW(&now);
 
-void
-dns_zone_setflag(dns_zone_t *zone, unsigned int flags, isc_boolean_t value) {
-	REQUIRE(DNS_ZONE_VALID(zone));
+	/*
+	 * Initiate zone transfer?  We may need a error code that
+	 * indicates that the "permanent" form does not exist.
+	 * XXX better error feedback to log.
+	 */
+	if (result != ISC_R_SUCCESS && result != DNS_R_SEENINCLUDE) {
+		if (zone->type == dns_zone_slave ||
+		    zone->type == dns_zone_stub) {
+			if (result == ISC_R_FILENOTFOUND)
+				dns_zone_log(zone, ISC_LOG_DEBUG(1),
+					     "no master file");
+			else if (result != DNS_R_NOMASTERFILE)
+				dns_zone_log(zone, ISC_LOG_ERROR,
+					     "loading from master file %s "
+					     "failed: %s",
+					     zone->masterfile,
+					     dns_result_totext(result));
+		} else {
+			dns_zone_log(zone, ISC_LOG_ERROR,
+				     "loading from master file %s failed: %s",
+				     zone->masterfile,
+				     dns_result_totext(result));
+			nomaster = ISC_TRUE;
+		}
 
-	LOCK_ZONE(zone);
-	if (value)
-		DNS_ZONE_SETFLAG(zone, flags);
-	else
-		DNS_ZONE_CLRFLAG(zone, flags);
-	UNLOCK_ZONE(zone);
-}
+		if (zone->type != dns_zone_key)
+			goto cleanup;
+	}
 
-void
-dns_zone_setoption(dns_zone_t *zone, unsigned int option, isc_boolean_t value)
-{
-	REQUIRE(DNS_ZONE_VALID(zone));
+	dns_zone_log(zone, ISC_LOG_DEBUG(2),
+		     "number of nodes in database: %u",
+		     dns_db_nodecount(db));
 
-	LOCK_ZONE(zone);
-	if (value)
-		zone->options |= option;
+	if (result == DNS_R_SEENINCLUDE)
+		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_HASINCLUDE);
 	else
-		zone->options &= ~option;
-	UNLOCK_ZONE(zone);
-}
-
-unsigned int
-dns_zone_getoptions(dns_zone_t *zone) {
-
-	REQUIRE(DNS_ZONE_VALID(zone));
+		DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_HASINCLUDE);
 
-	return (zone->options);
-}
+	/*
+	 * If there's no master file for a key zone, then the zone is new:
+	 * create an SOA record.  (We do this now, instead of later, so that
+	 * if there happens to be a journal file, we can roll forward from
+	 * a sane starting point.)
+	 */
+	if (nomaster && zone->type == dns_zone_key) {
+		result = add_soa(zone, db);
+		if (result != ISC_R_SUCCESS)
+			goto cleanup;
+	}
 
-isc_result_t
-dns_zone_setxfrsource4(dns_zone_t *zone, const isc_sockaddr_t *xfrsource) {
-	REQUIRE(DNS_ZONE_VALID(zone));
+	/*
+	 * Apply update log, if any, on initial load.
+	 */
+	if (zone->journal != NULL &&
+	    ! DNS_ZONE_OPTION(zone, DNS_ZONEOPT_NOMERGE) &&
+	    ! DNS_ZONE_FLAG(zone, DNS_ZONEFLG_LOADED))
+	{
+		if (zone->type == dns_zone_master &&
+		    (zone->update_acl != NULL || zone->ssutable != NULL))
+			options = DNS_JOURNALOPT_RESIGN;
+		else
+			options = 0;
+		result = dns_journal_rollforward2(zone->mctx, db, options,
+						  zone->sigresigninginterval,
+						  zone->journal);
+		if (result != ISC_R_SUCCESS && result != ISC_R_NOTFOUND &&
+		    result != DNS_R_UPTODATE && result != DNS_R_NOJOURNAL &&
+		    result != ISC_R_RANGE) {
+			dns_zone_log(zone, ISC_LOG_ERROR,
+				     "journal rollforward failed: %s",
+				     dns_result_totext(result));
+			goto cleanup;
+		}
+		if (result == ISC_R_NOTFOUND || result == ISC_R_RANGE) {
+			dns_zone_log(zone, ISC_LOG_ERROR,
+				     "journal rollforward failed: "
+				     "journal out of sync with zone");
+			goto cleanup;
+		}
+		dns_zone_log(zone, ISC_LOG_DEBUG(1),
+			     "journal rollforward completed "
+			     "successfully: %s",
+			     dns_result_totext(result));
+		if (result == ISC_R_SUCCESS)
+			needdump = ISC_TRUE;
+	}
 
-	LOCK_ZONE(zone);
-	zone->xfrsource4 = *xfrsource;
-	UNLOCK_ZONE(zone);
+	zone->loadtime = loadtime;
 
-	return (ISC_R_SUCCESS);
-}
+	dns_zone_log(zone, ISC_LOG_DEBUG(1), "loaded");
+	/*
+	 * Obtain ns, soa and cname counts for top of zone.
+	 */
+	INSIST(db != NULL);
+	result = zone_get_from_db(zone, db, &nscount, &soacount, &serial,
+				  &refresh, &retry, &expire, &minimum,
+				  &errors);
+	if (result != ISC_R_SUCCESS && zone->type != dns_zone_key) {
+		dns_zone_log(zone, ISC_LOG_ERROR,
+			     "could not find NS and/or SOA records");
+	}
 
-isc_sockaddr_t *
-dns_zone_getxfrsource4(dns_zone_t *zone) {
-	REQUIRE(DNS_ZONE_VALID(zone));
-	return (&zone->xfrsource4);
-}
+	/*
+	 * Master / Slave / Stub zones require both NS and SOA records at
+	 * the top of the zone.
+	 */
 
-isc_result_t
-dns_zone_setxfrsource6(dns_zone_t *zone, const isc_sockaddr_t *xfrsource) {
-	REQUIRE(DNS_ZONE_VALID(zone));
-
-	LOCK_ZONE(zone);
-	zone->xfrsource6 = *xfrsource;
-	UNLOCK_ZONE(zone);
-
-	return (ISC_R_SUCCESS);
-}
-
-isc_sockaddr_t *
-dns_zone_getxfrsource6(dns_zone_t *zone) {
-	REQUIRE(DNS_ZONE_VALID(zone));
-	return (&zone->xfrsource6);
-}
-
-isc_result_t
-dns_zone_setaltxfrsource4(dns_zone_t *zone,
-			  const isc_sockaddr_t *altxfrsource)
-{
-	REQUIRE(DNS_ZONE_VALID(zone));
-
-	LOCK_ZONE(zone);
-	zone->altxfrsource4 = *altxfrsource;
-	UNLOCK_ZONE(zone);
+	switch (zone->type) {
+	case dns_zone_dlz:
+	case dns_zone_master:
+	case dns_zone_slave:
+	case dns_zone_stub:
+		if (soacount != 1) {
+			dns_zone_log(zone, ISC_LOG_ERROR,
+				     "has %d SOA records", soacount);
+			result = DNS_R_BADZONE;
+		}
+		if (nscount == 0) {
+			dns_zone_log(zone, ISC_LOG_ERROR,
+				     "has no NS records");
+			result = DNS_R_BADZONE;
+		}
+		if (result != ISC_R_SUCCESS)
+			goto cleanup;
+		if (zone->type == dns_zone_master && errors != 0) {
+			result = DNS_R_BADZONE;
+			goto cleanup;
+		}
+		if (zone->type != dns_zone_stub) {
+			result = check_nsec3param(zone, db);
+			if (result != ISC_R_SUCCESS)
+				goto cleanup;
+		}
+		if (zone->type == dns_zone_master &&
+		    DNS_ZONE_OPTION(zone, DNS_ZONEOPT_CHECKINTEGRITY) &&
+		    !integrity_checks(zone, db)) {
+			result = DNS_R_BADZONE;
+			goto cleanup;
+		}
 
-	return (ISC_R_SUCCESS);
-}
+		if (zone->type == dns_zone_master &&
+		    DNS_ZONE_OPTION(zone, DNS_ZONEOPT_CHECKDUPRR) &&
+		    !zone_check_dup(zone, db)) {
+			result = DNS_R_BADZONE;
+			goto cleanup;
+		}
 
-isc_sockaddr_t *
-dns_zone_getaltxfrsource4(dns_zone_t *zone) {
-	REQUIRE(DNS_ZONE_VALID(zone));
-	return (&zone->altxfrsource4);
-}
+		if (zone->db != NULL) {
+			/*
+			 * This is checked in zone_replacedb() for slave zones
+			 * as they don't reload from disk.
+			 */
+			result = zone_get_from_db(zone, zone->db, NULL, NULL,
+						  &oldserial, NULL, NULL, NULL,
+						  NULL, NULL);
+			RUNTIME_CHECK(result == ISC_R_SUCCESS);
+			if (DNS_ZONE_OPTION(zone, DNS_ZONEOPT_IXFRFROMDIFFS) &&
+			    !isc_serial_gt(serial, oldserial)) {
+				isc_uint32_t serialmin, serialmax;
 
-isc_result_t
-dns_zone_setaltxfrsource6(dns_zone_t *zone,
-			  const isc_sockaddr_t *altxfrsource)
-{
-	REQUIRE(DNS_ZONE_VALID(zone));
+				INSIST(zone->type == dns_zone_master);
 
-	LOCK_ZONE(zone);
-	zone->altxfrsource6 = *altxfrsource;
-	UNLOCK_ZONE(zone);
+				serialmin = (oldserial + 1) & 0xffffffffU;
+				serialmax = (oldserial + 0x7fffffffU) &
+					     0xffffffffU;
+				dns_zone_log(zone, ISC_LOG_ERROR,
+					     "ixfr-from-differences: "
+					     "new serial (%u) out of range "
+					     "[%u - %u]", serial, serialmin,
+					     serialmax);
+				result = DNS_R_BADZONE;
+				goto cleanup;
+			} else if (!isc_serial_ge(serial, oldserial))
+				dns_zone_log(zone, ISC_LOG_ERROR,
+					     "zone serial (%u/%u) has gone "
+					     "backwards", serial, oldserial);
+			else if (serial == oldserial && !hasinclude)
+				dns_zone_log(zone, ISC_LOG_ERROR,
+					     "zone serial (%u) unchanged. "
+					     "zone may fail to transfer "
+					     "to slaves.", serial);
+		}
 
-	return (ISC_R_SUCCESS);
-}
+		if (zone->type == dns_zone_master &&
+		    (zone->update_acl != NULL || zone->ssutable != NULL) &&
+		    zone->sigresigninginterval < (3 * refresh) &&
+		    dns_db_issecure(db))
+		{
+			dns_zone_log(zone, ISC_LOG_WARNING,
+				     "sig-re-signing-interval less than "
+				     "3 * refresh.");
+		}
 
-isc_sockaddr_t *
-dns_zone_getaltxfrsource6(dns_zone_t *zone) {
-	REQUIRE(DNS_ZONE_VALID(zone));
-	return (&zone->altxfrsource6);
-}
+		zone->refresh = RANGE(refresh,
+				      zone->minrefresh, zone->maxrefresh);
+		zone->retry = RANGE(retry,
+				    zone->minretry, zone->maxretry);
+		zone->expire = RANGE(expire, zone->refresh + zone->retry,
+				     DNS_MAX_EXPIRE);
+		zone->minimum = minimum;
+		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_HAVETIMERS);
 
-isc_result_t
-dns_zone_setnotifysrc4(dns_zone_t *zone, const isc_sockaddr_t *notifysrc) {
-	REQUIRE(DNS_ZONE_VALID(zone));
+		if (zone->type == dns_zone_slave ||
+		    zone->type == dns_zone_stub) {
+			isc_time_t t;
+			isc_uint32_t delay;
 
-	LOCK_ZONE(zone);
-	zone->notifysrc4 = *notifysrc;
-	UNLOCK_ZONE(zone);
+			result = isc_file_getmodtime(zone->journal, &t);
+			if (result != ISC_R_SUCCESS)
+				result = isc_file_getmodtime(zone->masterfile,
+							     &t);
+			if (result == ISC_R_SUCCESS)
+				DNS_ZONE_TIME_ADD(&t, zone->expire,
+						  &zone->expiretime);
+			else
+				DNS_ZONE_TIME_ADD(&now, zone->retry,
+						  &zone->expiretime);
 
-	return (ISC_R_SUCCESS);
-}
+			delay = isc_random_jitter(zone->retry,
+						  (zone->retry * 3) / 4);
+			DNS_ZONE_TIME_ADD(&now, delay, &zone->refreshtime);
+			if (isc_time_compare(&zone->refreshtime,
+					     &zone->expiretime) >= 0)
+				zone->refreshtime = now;
+		}
+		break;
 
-isc_sockaddr_t *
-dns_zone_getnotifysrc4(dns_zone_t *zone) {
-	REQUIRE(DNS_ZONE_VALID(zone));
-	return (&zone->notifysrc4);
-}
+	case dns_zone_key:
+		result = sync_keyzone(zone, db);
+		if (result != ISC_R_SUCCESS)
+			goto cleanup;
+		break;
 
-isc_result_t
-dns_zone_setnotifysrc6(dns_zone_t *zone, const isc_sockaddr_t *notifysrc) {
-	REQUIRE(DNS_ZONE_VALID(zone));
+	default:
+		UNEXPECTED_ERROR(__FILE__, __LINE__,
+				 "unexpected zone type %d", zone->type);
+		result = ISC_R_UNEXPECTED;
+		goto cleanup;
+	}
 
-	LOCK_ZONE(zone);
-	zone->notifysrc6 = *notifysrc;
-	UNLOCK_ZONE(zone);
+	/*
+	 * Check for weak DNSKEY's.
+	 */
+	if (zone->type == dns_zone_master)
+		zone_check_dnskeys(zone, db);
 
-	return (ISC_R_SUCCESS);
-}
+	/*
+	 * Schedule DNSSEC key refresh.
+	 */
+	if (zone->type == dns_zone_master &&
+	    DNS_ZONEKEY_OPTION(zone, DNS_ZONEKEY_MAINTAIN))
+		zone->refreshkeytime = now;
 
-isc_sockaddr_t *
-dns_zone_getnotifysrc6(dns_zone_t *zone) {
-	REQUIRE(DNS_ZONE_VALID(zone));
-	return (&zone->notifysrc6);
-}
+#if 0
+	/* destroy notification example. */
+	{
+		isc_event_t *e = isc_event_allocate(zone->mctx, NULL,
+						    DNS_EVENT_DBDESTROYED,
+						    dns_zonemgr_dbdestroyed,
+						    zone,
+						    sizeof(isc_event_t));
+		dns_db_ondestroy(db, zone->task, &e);
+	}
+#endif
 
-isc_result_t
-dns_zone_setalsonotify(dns_zone_t *zone, const isc_sockaddr_t *notify,
-		       isc_uint32_t count)
-{
-	isc_sockaddr_t *new;
+	ZONEDB_LOCK(&zone->dblock, isc_rwlocktype_write);
+	if (zone->db != NULL) {
+		result = zone_replacedb(zone, db, ISC_FALSE);
+		ZONEDB_UNLOCK(&zone->dblock, isc_rwlocktype_write);
+		if (result != ISC_R_SUCCESS)
+			goto cleanup;
+	} else {
+		zone_attachdb(zone, db);
+		ZONEDB_UNLOCK(&zone->dblock, isc_rwlocktype_write);
+		DNS_ZONE_SETFLAG(zone,
+				 DNS_ZONEFLG_LOADED|DNS_ZONEFLG_NEEDNOTIFY);
+	}
 
-	REQUIRE(DNS_ZONE_VALID(zone));
-	REQUIRE(count == 0 || notify != NULL);
+	result = ISC_R_SUCCESS;
 
-	LOCK_ZONE(zone);
-	if (zone->notify != NULL) {
-		isc_mem_put(zone->mctx, zone->notify,
-			    zone->notifycnt * sizeof(*new));
-		zone->notify = NULL;
-		zone->notifycnt = 0;
+	if (needdump) {
+		if (zone->type == dns_zone_key)
+			zone_needdump(zone, 30);
+		else
+			zone_needdump(zone, DNS_DUMP_DELAY);
 	}
-	if (count != 0) {
-		new = isc_mem_get(zone->mctx, count * sizeof(*new));
-		if (new == NULL) {
-			UNLOCK_ZONE(zone);
-			return (ISC_R_NOMEMORY);
+
+	if (zone->task != NULL) {
+		if (zone->type == dns_zone_master) {
+			set_resigntime(zone);
+			resume_signingwithkey(zone);
+			resume_addnsec3chain(zone);
 		}
-		memcpy(new, notify, count * sizeof(*new));
-		zone->notify = new;
-		zone->notifycnt = count;
+		zone_settimer(zone, &now);
 	}
-	UNLOCK_ZONE(zone);
-	return (ISC_R_SUCCESS);
-}
 
-isc_result_t
-dns_zone_setmasters(dns_zone_t *zone, const isc_sockaddr_t *masters,
-		    isc_uint32_t count)
-{
-	isc_result_t result;
+	if (! dns_db_ispersistent(db))
+		dns_zone_log(zone, ISC_LOG_INFO, "loaded serial %u%s", serial,
+			     dns_db_issecure(db) ? " (DNSSEC signed)" : "");
 
-	result = dns_zone_setmasterswithkeys(zone, masters, NULL, count);
 	return (result);
-}
 
-static isc_boolean_t
-same_masters(const isc_sockaddr_t *old, const isc_sockaddr_t *new,
-	     isc_uint32_t count)
-{
-	unsigned int i;
+ cleanup:
+	if (zone->type == dns_zone_slave ||
+	    zone->type == dns_zone_stub ||
+	    zone->type == dns_zone_key) {
+		if (zone->journal != NULL)
+			zone_saveunique(zone, zone->journal, "jn-XXXXXXXX");
+		if (zone->masterfile != NULL)
+			zone_saveunique(zone, zone->masterfile, "db-XXXXXXXX");
 
-	for (i = 0; i < count; i++)
-		if (!isc_sockaddr_equal(&old[i], &new[i]))
-			return (ISC_FALSE);
-	return (ISC_TRUE);
+		/* Mark the zone for immediate refresh. */
+		zone->refreshtime = now;
+		if (zone->task != NULL)
+			zone_settimer(zone, &now);
+		result = ISC_R_SUCCESS;
+	} else if (zone->type == dns_zone_master)
+		dns_zone_log(zone, ISC_LOG_ERROR, "not loaded due to errors.");
+	return (result);
 }
 
 static isc_boolean_t
-same_keynames(dns_name_t **old, dns_name_t **new, isc_uint32_t count) {
-	unsigned int i;
+exit_check(dns_zone_t *zone) {
 
-	if (old == NULL && new == NULL)
-		return (ISC_TRUE);
-	if (old == NULL || new == NULL)
-		return (ISC_FALSE);
+	REQUIRE(LOCKED_ZONE(zone));
 
-	for (i = 0; i < count; i++) {
-		if (old[i] == NULL && new[i] == NULL)
-			continue;
-		if (old[i] == NULL || new[i] == NULL ||
-		     !dns_name_equal(old[i], new[i]))
-			return (ISC_FALSE);
+	if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_SHUTDOWN) &&
+	    zone->irefs == 0)
+	{
+		/*
+		 * DNS_ZONEFLG_SHUTDOWN can only be set if erefs == 0.
+		 */
+		INSIST(isc_refcount_current(&zone->erefs) == 0);
+		return (ISC_TRUE);
 	}
-	return (ISC_TRUE);
+	return (ISC_FALSE);
 }
 
-isc_result_t
-dns_zone_setmasterswithkeys(dns_zone_t *zone,
-			    const isc_sockaddr_t *masters,
-			    dns_name_t **keynames,
-			    isc_uint32_t count)
+static isc_boolean_t
+zone_check_ns(dns_zone_t *zone, dns_db_t *db, dns_dbversion_t *version,
+	      dns_name_t *name, isc_boolean_t logit)
 {
-	isc_sockaddr_t *new;
-	isc_result_t result = ISC_R_SUCCESS;
-	dns_name_t **newname;
-	isc_boolean_t *newok;
-	unsigned int i;
+	isc_result_t result;
+	char namebuf[DNS_NAME_FORMATSIZE];
+	char altbuf[DNS_NAME_FORMATSIZE];
+	dns_fixedname_t fixed;
+	dns_name_t *foundname;
+	int level;
 
-	REQUIRE(DNS_ZONE_VALID(zone));
-	REQUIRE(count == 0 || masters != NULL);
-	if (keynames != NULL) {
-		REQUIRE(count != 0);
-	}
+	if (DNS_ZONE_OPTION(zone, DNS_ZONEOPT_NOCHECKNS))
+		return (ISC_TRUE);
 
-	LOCK_ZONE(zone);
-	/*
-	 * The refresh code assumes that 'masters' wouldn't change under it.
-	 * If it will change then kill off any current refresh in progress
-	 * and update the masters info.  If it won't change then we can just
-	 * unlock and exit.
-	 */
-	if (count != zone->masterscnt ||
-	    !same_masters(zone->masters, masters, count) ||
-	    !same_keynames(zone->masterkeynames, keynames, count)) {
-		if (zone->request != NULL)
-			dns_request_cancel(zone->request);
-	} else
-		goto unlock;
-	if (zone->masters != NULL) {
-		isc_mem_put(zone->mctx, zone->masters,
-			    zone->masterscnt * sizeof(*new));
-		zone->masters = NULL;
+	if (zone->type == dns_zone_master)
+		level = ISC_LOG_ERROR;
+	else
+		level = ISC_LOG_WARNING;
+
+	dns_fixedname_init(&fixed);
+	foundname = dns_fixedname_name(&fixed);
+
+	result = dns_db_find(db, name, version, dns_rdatatype_a,
+			     0, 0, NULL, foundname, NULL, NULL);
+	if (result == ISC_R_SUCCESS)
+		return (ISC_TRUE);
+
+	if (result == DNS_R_NXRRSET) {
+		result = dns_db_find(db, name, version, dns_rdatatype_aaaa,
+				     0, 0, NULL, foundname, NULL, NULL);
+		if (result == ISC_R_SUCCESS)
+			return (ISC_TRUE);
 	}
-	if (zone->masterkeynames != NULL) {
-		for (i = 0; i < zone->masterscnt; i++) {
-			if (zone->masterkeynames[i] != NULL) {
-				dns_name_free(zone->masterkeynames[i],
-					      zone->mctx);
-				isc_mem_put(zone->mctx,
-					    zone->masterkeynames[i],
-					    sizeof(dns_name_t));
-				zone->masterkeynames[i] = NULL;
-			}
+
+	if (result == DNS_R_NXRRSET || result == DNS_R_NXDOMAIN ||
+	    result == DNS_R_EMPTYNAME) {
+		if (logit) {
+			dns_name_format(name, namebuf, sizeof namebuf);
+			dns_zone_log(zone, level, "NS '%s' has no address "
+				     "records (A or AAAA)", namebuf);
 		}
-		isc_mem_put(zone->mctx, zone->masterkeynames,
-			    zone->masterscnt * sizeof(dns_name_t *));
-		zone->masterkeynames = NULL;
-	}
-	if (zone->mastersok != NULL) {
-		isc_mem_put(zone->mctx, zone->mastersok,
-			    zone->masterscnt * sizeof(isc_boolean_t));
-		zone->mastersok = NULL;
+		return (ISC_FALSE);
 	}
-	zone->masterscnt = 0;
-	/*
-	 * If count == 0, don't allocate any space for masters, mastersok or
-	 * keynames so internally, those pointers are NULL if count == 0
-	 */
-	if (count == 0)
-		goto unlock;
 
-	/*
-	 * masters must contain count elements!
-	 */
-	new = isc_mem_get(zone->mctx, count * sizeof(*new));
-	if (new == NULL) {
-		result = ISC_R_NOMEMORY;
-		goto unlock;
+	if (result == DNS_R_CNAME) {
+		if (logit) {
+			dns_name_format(name, namebuf, sizeof namebuf);
+			dns_zone_log(zone, level, "NS '%s' is a CNAME "
+				     "(illegal)", namebuf);
+		}
+		return (ISC_FALSE);
 	}
-	memcpy(new, masters, count * sizeof(*new));
-
-	/*
-	 * Similarly for mastersok.
-	 */
-	newok = isc_mem_get(zone->mctx, count * sizeof(*newok));
-	if (newok == NULL) {
-		result = ISC_R_NOMEMORY;
-		isc_mem_put(zone->mctx, new, count * sizeof(*new));
-		goto unlock;
-	};
-	for (i = 0; i < count; i++)
-		newok[i] = ISC_FALSE;
 
-	/*
-	 * if keynames is non-NULL, it must contain count elements!
-	 */
-	newname = NULL;
-	if (keynames != NULL) {
-		newname = isc_mem_get(zone->mctx, count * sizeof(*newname));
-		if (newname == NULL) {
-			result = ISC_R_NOMEMORY;
-			isc_mem_put(zone->mctx, new, count * sizeof(*new));
-			isc_mem_put(zone->mctx, newok, count * sizeof(*newok));
-			goto unlock;
-		}
-		for (i = 0; i < count; i++)
-			newname[i] = NULL;
-		for (i = 0; i < count; i++) {
-			if (keynames[i] != NULL) {
-				newname[i] = isc_mem_get(zone->mctx,
-							 sizeof(dns_name_t));
-				if (newname[i] == NULL)
-					goto allocfail;
-				dns_name_init(newname[i], NULL);
-				result = dns_name_dup(keynames[i], zone->mctx,
-						      newname[i]);
-				if (result != ISC_R_SUCCESS) {
-				allocfail:
-					for (i = 0; i < count; i++)
-						if (newname[i] != NULL)
-							dns_name_free(
-							       newname[i],
-							       zone->mctx);
-					isc_mem_put(zone->mctx, new,
-						    count * sizeof(*new));
-					isc_mem_put(zone->mctx, newok,
-						    count * sizeof(*newok));
-					isc_mem_put(zone->mctx, newname,
-						    count * sizeof(*newname));
-					goto unlock;
-				}
-			}
+	if (result == DNS_R_DNAME) {
+		if (logit) {
+			dns_name_format(name, namebuf, sizeof namebuf);
+			dns_name_format(foundname, altbuf, sizeof altbuf);
+			dns_zone_log(zone, level, "NS '%s' is below a DNAME "
+				     "'%s' (illegal)", namebuf, altbuf);
 		}
+		return (ISC_FALSE);
 	}
 
-	/*
-	 * Everything is ok so attach to the zone.
-	 */
-	zone->masters = new;
-	zone->mastersok = newok;
-	zone->masterkeynames = newname;
-	zone->masterscnt = count;
-	DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_NOMASTERS);
-
- unlock:
-	UNLOCK_ZONE(zone);
-	return (result);
-}
-
-isc_result_t
-dns_zone_getdb(dns_zone_t *zone, dns_db_t **dpb) {
-	isc_result_t result = ISC_R_SUCCESS;
-
-	REQUIRE(DNS_ZONE_VALID(zone));
-
-	ZONEDB_LOCK(&zone->dblock, isc_rwlocktype_read);
-	if (zone->db == NULL)
-		result = DNS_R_NOTLOADED;
-	else
-		dns_db_attach(zone->db, dpb);
-	ZONEDB_UNLOCK(&zone->dblock, isc_rwlocktype_read);
-
-	return (result);
+	return (ISC_TRUE);
 }
 
-/*
- * Co-ordinates the starting of routine jobs.
- */
+static isc_result_t
+zone_count_ns_rr(dns_zone_t *zone, dns_db_t *db, dns_dbnode_t *node,
+		 dns_dbversion_t *version, unsigned int *nscount,
+		 unsigned int *errors, isc_boolean_t logit)
+{
+	isc_result_t result;
+	unsigned int count = 0;
+	unsigned int ecount = 0;
+	dns_rdataset_t rdataset;
+	dns_rdata_t rdata;
+	dns_rdata_ns_t ns;
 
-void
-dns_zone_maintenance(dns_zone_t *zone) {
-	const char me[] = "dns_zone_maintenance";
-	isc_time_t now;
+	dns_rdataset_init(&rdataset);
+	result = dns_db_findrdataset(db, node, version, dns_rdatatype_ns,
+				     dns_rdatatype_none, 0, &rdataset, NULL);
+	if (result == ISC_R_NOTFOUND) {
+		INSIST(!dns_rdataset_isassociated(&rdataset));
+		goto success;
+	}
+	if (result != ISC_R_SUCCESS) {
+		INSIST(!dns_rdataset_isassociated(&rdataset));
+		goto invalidate_rdataset;
+	}
 
-	REQUIRE(DNS_ZONE_VALID(zone));
-	ENTER;
+	result = dns_rdataset_first(&rdataset);
+	while (result == ISC_R_SUCCESS) {
+		if (errors != NULL && zone->rdclass == dns_rdataclass_in &&
+		    (zone->type == dns_zone_master ||
+		     zone->type == dns_zone_slave)) {
+			dns_rdata_init(&rdata);
+			dns_rdataset_current(&rdataset, &rdata);
+			result = dns_rdata_tostruct(&rdata, &ns, NULL);
+			RUNTIME_CHECK(result == ISC_R_SUCCESS);
+			if (dns_name_issubdomain(&ns.name, &zone->origin) &&
+			    !zone_check_ns(zone, db, version, &ns.name, logit))
+				ecount++;
+		}
+		count++;
+		result = dns_rdataset_next(&rdataset);
+	}
+	dns_rdataset_disassociate(&rdataset);
 
-	LOCK_ZONE(zone);
-	TIME_NOW(&now);
-	zone_settimer(zone, &now);
-	UNLOCK_ZONE(zone);
-}
+ success:
+	if (nscount != NULL)
+		*nscount = count;
+	if (errors != NULL)
+		*errors = ecount;
 
-static inline isc_boolean_t
-was_dumping(dns_zone_t *zone) {
-	isc_boolean_t dumping;
+	result = ISC_R_SUCCESS;
 
-	REQUIRE(LOCKED_ZONE(zone));
+ invalidate_rdataset:
+	dns_rdataset_invalidate(&rdataset);
 
-	dumping = DNS_ZONE_FLAG(zone, DNS_ZONEFLG_DUMPING);
-	DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_DUMPING);
-	if (!dumping) {
-		DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_NEEDDUMP);
-		isc_time_settoepoch(&zone->dumptime);
-	}
-	return (dumping);
+	return (result);
 }
 
-#define MAXZONEKEYS 10
-
 static isc_result_t
-do_one_tuple(dns_difftuple_t **tuple, dns_db_t *db, dns_dbversion_t *ver,
-	     dns_diff_t *diff)
+zone_load_soa_rr(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
+		 unsigned int *soacount,
+		 isc_uint32_t *serial, isc_uint32_t *refresh,
+		 isc_uint32_t *retry, isc_uint32_t *expire,
+		 isc_uint32_t *minimum)
 {
-	dns_diff_t temp_diff;
 	isc_result_t result;
+	unsigned int count;
+	dns_rdataset_t rdataset;
+	dns_rdata_t rdata = DNS_RDATA_INIT;
+	dns_rdata_soa_t soa;
 
-	/*
-	 * Create a singleton diff.
-	 */
-	dns_diff_init(diff->mctx, &temp_diff);
-	temp_diff.resign = diff->resign;
-	ISC_LIST_APPEND(temp_diff.tuples, *tuple, link);
-
-	/*
-	 * Apply it to the database.
-	 */
-	result = dns_diff_apply(&temp_diff, db, ver);
-	ISC_LIST_UNLINK(temp_diff.tuples, *tuple, link);
+	dns_rdataset_init(&rdataset);
+	result = dns_db_findrdataset(db, node, version, dns_rdatatype_soa,
+				     dns_rdatatype_none, 0, &rdataset, NULL);
+	if (result == ISC_R_NOTFOUND) {
+		INSIST(!dns_rdataset_isassociated(&rdataset));
+		if (soacount != NULL)
+			*soacount = 0;
+		if (serial != NULL)
+			*serial = 0;
+		if (refresh != NULL)
+			*refresh = 0;
+		if (retry != NULL)
+			*retry = 0;
+		if (expire != NULL)
+			*expire = 0;
+		if (minimum != NULL)
+			*minimum = 0;
+		result = ISC_R_SUCCESS;
+		goto invalidate_rdataset;
+	}
 	if (result != ISC_R_SUCCESS) {
-		dns_difftuple_free(tuple);
-		return (result);
+		INSIST(!dns_rdataset_isassociated(&rdataset));
+		goto invalidate_rdataset;
 	}
 
-	/*
-	 * Merge it into the current pending journal entry.
-	 */
-	dns_diff_appendminimal(diff, tuple);
-
-	/*
-	 * Do not clear temp_diff.
-	 */
-	return (ISC_R_SUCCESS);
-}
-
-static isc_result_t
-increment_soa_serial(dns_db_t *db, dns_dbversion_t *ver,
-		     dns_diff_t *diff, isc_mem_t *mctx)
-{
-	dns_difftuple_t *deltuple = NULL;
-	dns_difftuple_t *addtuple = NULL;
-	isc_uint32_t serial;
-	isc_result_t result;
+	count = 0;
+	result = dns_rdataset_first(&rdataset);
+	while (result == ISC_R_SUCCESS) {
+		dns_rdata_init(&rdata);
+		dns_rdataset_current(&rdataset, &rdata);
+		count++;
+		if (count == 1) {
+			result = dns_rdata_tostruct(&rdata, &soa, NULL);
+			RUNTIME_CHECK(result == ISC_R_SUCCESS);
+		}
 
-	CHECK(dns_db_createsoatuple(db, ver, mctx, DNS_DIFFOP_DEL, &deltuple));
-	CHECK(dns_difftuple_copy(deltuple, &addtuple));
-	addtuple->op = DNS_DIFFOP_ADD;
+		result = dns_rdataset_next(&rdataset);
+		dns_rdata_reset(&rdata);
+	}
+	dns_rdataset_disassociate(&rdataset);
 
-	serial = dns_soa_getserial(&addtuple->rdata);
+	if (soacount != NULL)
+		*soacount = count;
 
-	/* RFC1982 */
-	serial = (serial + 1) & 0xFFFFFFFF;
-	if (serial == 0)
-		serial = 1;
+	if (count > 0) {
+		if (serial != NULL)
+			*serial = soa.serial;
+		if (refresh != NULL)
+			*refresh = soa.refresh;
+		if (retry != NULL)
+			*retry = soa.retry;
+		if (expire != NULL)
+			*expire = soa.expire;
+		if (minimum != NULL)
+			*minimum = soa.minimum;
+	}
 
-	dns_soa_setserial(serial, &addtuple->rdata);
-	CHECK(do_one_tuple(&deltuple, db, ver, diff));
-	CHECK(do_one_tuple(&addtuple, db, ver, diff));
 	result = ISC_R_SUCCESS;
 
-	failure:
-	if (addtuple != NULL)
-		dns_difftuple_free(&addtuple);
-	if (deltuple != NULL)
-		dns_difftuple_free(&deltuple);
+ invalidate_rdataset:
+	dns_rdataset_invalidate(&rdataset);
+
 	return (result);
 }
 
+/*
+ * zone must be locked.
+ */
 static isc_result_t
-update_one_rr(dns_db_t *db, dns_dbversion_t *ver, dns_diff_t *diff,
-	      dns_diffop_t op, dns_name_t *name, dns_ttl_t ttl,
-	      dns_rdata_t *rdata)
+zone_get_from_db(dns_zone_t *zone, dns_db_t *db, unsigned int *nscount,
+		 unsigned int *soacount, isc_uint32_t *serial,
+		 isc_uint32_t *refresh, isc_uint32_t *retry,
+		 isc_uint32_t *expire, isc_uint32_t *minimum,
+		 unsigned int *errors)
 {
-	dns_difftuple_t *tuple = NULL;
 	isc_result_t result;
-	result = dns_difftuple_create(diff->mctx, op,
-				      name, ttl, rdata, &tuple);
-	if (result != ISC_R_SUCCESS)
-		return (result);
-	return (do_one_tuple(&tuple, db, ver, diff));
-}
+	isc_result_t answer = ISC_R_SUCCESS;
+	dns_dbversion_t *version = NULL;
+	dns_dbnode_t *node;
 
-static isc_boolean_t
-ksk_sanity(dns_db_t *db, dns_dbversion_t *ver) {
-	isc_boolean_t ret = ISC_FALSE;
-	isc_boolean_t have_ksk = ISC_FALSE, have_nonksk = ISC_FALSE;
-	isc_result_t result;
-	dns_dbnode_t *node = NULL;
-	dns_rdataset_t rdataset;
-	dns_rdata_t rdata = DNS_RDATA_INIT;
-	dns_rdata_dnskey_t dnskey;
+	REQUIRE(db != NULL);
+	REQUIRE(zone != NULL);
 
-	dns_rdataset_init(&rdataset);
-	CHECK(dns_db_findnode(db, dns_db_origin(db), ISC_FALSE, &node));
-	CHECK(dns_db_findrdataset(db, node, ver, dns_rdatatype_dnskey, 0, 0,
-				   &rdataset, NULL));
-	CHECK(dns_rdataset_first(&rdataset));
-	while (result == ISC_R_SUCCESS && (!have_ksk || !have_nonksk)) {
-		dns_rdataset_current(&rdataset, &rdata);
-		CHECK(dns_rdata_tostruct(&rdata, &dnskey, NULL));
-		if ((dnskey.flags & (DNS_KEYFLAG_OWNERMASK|DNS_KEYTYPE_NOAUTH))
-				 == DNS_KEYOWNER_ZONE) {
-			if ((dnskey.flags & DNS_KEYFLAG_KSK) != 0)
-				have_ksk = ISC_TRUE;
-			else
-				have_nonksk = ISC_TRUE;
-		}
-		dns_rdata_reset(&rdata);
-		result = dns_rdataset_next(&rdataset);
+	dns_db_currentversion(db, &version);
+
+	node = NULL;
+	result = dns_db_findnode(db, &zone->origin, ISC_FALSE, &node);
+	if (result != ISC_R_SUCCESS) {
+		answer = result;
+		goto closeversion;
 	}
-	if (have_ksk && have_nonksk)
-		ret = ISC_TRUE;
- failure:
-	if (dns_rdataset_isassociated(&rdataset))
-		dns_rdataset_disassociate(&rdataset);
-	if (node != NULL)
-		dns_db_detachnode(db, &node);
-	return (ret);
-}
 
-static isc_result_t
-find_zone_keys(dns_zone_t *zone, dns_db_t *db, dns_dbversion_t *ver,
-	       isc_mem_t *mctx, unsigned int maxkeys,
-	       dst_key_t **keys, unsigned int *nkeys)
-{
-	isc_result_t result;
-	dns_dbnode_t *node = NULL;
-	const char *directory = dns_zone_getkeydirectory(zone);
+	if (nscount != NULL || errors != NULL) {
+		result = zone_count_ns_rr(zone, db, node, version,
+					  nscount, errors, ISC_TRUE);
+		if (result != ISC_R_SUCCESS)
+			answer = result;
+	}
 
-	CHECK(dns_db_findnode(db, dns_db_origin(db), ISC_FALSE, &node));
-	result = dns_dnssec_findzonekeys2(db, ver, node, dns_db_origin(db),
-					  directory, mctx, maxkeys, keys,
-					  nkeys);
-	if (result == ISC_R_NOTFOUND)
-		result = ISC_R_SUCCESS;
- failure:
-	if (node != NULL)
-		dns_db_detachnode(db, &node);
-	return (result);
+	if (soacount != NULL || serial != NULL || refresh != NULL
+	    || retry != NULL || expire != NULL || minimum != NULL) {
+		result = zone_load_soa_rr(db, node, version, soacount,
+					  serial, refresh, retry, expire,
+					  minimum);
+		if (result != ISC_R_SUCCESS)
+			answer = result;
+	}
+
+	dns_db_detachnode(db, &node);
+ closeversion:
+	dns_db_closeversion(db, &version, ISC_FALSE);
+
+	return (answer);
 }
 
-static isc_result_t
-offline(dns_db_t *db, dns_dbversion_t *ver, dns_diff_t *diff, dns_name_t *name,
-	dns_ttl_t ttl, dns_rdata_t *rdata)
-{
-	isc_result_t result;
+void
+dns_zone_attach(dns_zone_t *source, dns_zone_t **target) {
+	REQUIRE(DNS_ZONE_VALID(source));
+	REQUIRE(target != NULL && *target == NULL);
+	isc_refcount_increment(&source->erefs, NULL);
+	*target = source;
+}
+
+void
+dns_zone_detach(dns_zone_t **zonep) {
+	dns_zone_t *zone;
+	unsigned int refs;
+	isc_boolean_t free_now = ISC_FALSE;
+
+	REQUIRE(zonep != NULL && DNS_ZONE_VALID(*zonep));
+
+	zone = *zonep;
+
+	isc_refcount_decrement(&zone->erefs, &refs);
+
+	if (refs == 0) {
+		LOCK_ZONE(zone);
+		/*
+		 * We just detached the last external reference.
+		 */
+		if (zone->task != NULL) {
+			/*
+			 * This zone is being managed.	Post
+			 * its control event and let it clean
+			 * up synchronously in the context of
+			 * its task.
+			 */
+			isc_event_t *ev = &zone->ctlevent;
+			isc_task_send(zone->task, &ev);
+		} else {
+			/*
+			 * This zone is not being managed; it has
+			 * no task and can have no outstanding
+			 * events.  Free it immediately.
+			 */
+			/*
+			 * Unmanaged zones should not have non-null views;
+			 * we have no way of detaching from the view here
+			 * without causing deadlock because this code is called
+			 * with the view already locked.
+			 */
+			INSIST(zone->view == NULL);
+			free_now = ISC_TRUE;
+		}
+		UNLOCK_ZONE(zone);
+	}
+	*zonep = NULL;
+	if (free_now)
+		zone_free(zone);
+}
+
+void
+dns_zone_iattach(dns_zone_t *source, dns_zone_t **target) {
+	REQUIRE(DNS_ZONE_VALID(source));
+	REQUIRE(target != NULL && *target == NULL);
+	LOCK_ZONE(source);
+	zone_iattach(source, target);
+	UNLOCK_ZONE(source);
+}
+
+static void
+zone_iattach(dns_zone_t *source, dns_zone_t **target) {
+
+	/*
+	 * 'source' locked by caller.
+	 */
+	REQUIRE(LOCKED_ZONE(source));
+	REQUIRE(DNS_ZONE_VALID(source));
+	REQUIRE(target != NULL && *target == NULL);
+	INSIST(source->irefs + isc_refcount_current(&source->erefs) > 0);
+	source->irefs++;
+	INSIST(source->irefs != 0);
+	*target = source;
+}
+
+static void
+zone_idetach(dns_zone_t **zonep) {
+	dns_zone_t *zone;
+
+	/*
+	 * 'zone' locked by caller.
+	 */
+	REQUIRE(zonep != NULL && DNS_ZONE_VALID(*zonep));
+	zone = *zonep;
+	REQUIRE(LOCKED_ZONE(*zonep));
+	*zonep = NULL;
+
+	INSIST(zone->irefs > 0);
+	zone->irefs--;
+	INSIST(zone->irefs + isc_refcount_current(&zone->erefs) > 0);
+}
+
+void
+dns_zone_idetach(dns_zone_t **zonep) {
+	dns_zone_t *zone;
+	isc_boolean_t free_needed;
+
+	REQUIRE(zonep != NULL && DNS_ZONE_VALID(*zonep));
+	zone = *zonep;
+	*zonep = NULL;
+
+	LOCK_ZONE(zone);
+	INSIST(zone->irefs > 0);
+	zone->irefs--;
+	free_needed = exit_check(zone);
+	UNLOCK_ZONE(zone);
+	if (free_needed)
+		zone_free(zone);
+}
+
+isc_mem_t *
+dns_zone_getmctx(dns_zone_t *zone) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+
+	return (zone->mctx);
+}
+
+dns_zonemgr_t *
+dns_zone_getmgr(dns_zone_t *zone) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+
+	return (zone->zmgr);
+}
+
+void
+dns_zone_setflag(dns_zone_t *zone, unsigned int flags, isc_boolean_t value) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+
+	LOCK_ZONE(zone);
+	if (value)
+		DNS_ZONE_SETFLAG(zone, flags);
+	else
+		DNS_ZONE_CLRFLAG(zone, flags);
+	UNLOCK_ZONE(zone);
+}
+
+void
+dns_zone_setoption(dns_zone_t *zone, unsigned int option, isc_boolean_t value)
+{
+	REQUIRE(DNS_ZONE_VALID(zone));
+
+	LOCK_ZONE(zone);
+	if (value)
+		zone->options |= option;
+	else
+		zone->options &= ~option;
+	UNLOCK_ZONE(zone);
+}
+
+unsigned int
+dns_zone_getoptions(dns_zone_t *zone) {
+
+	REQUIRE(DNS_ZONE_VALID(zone));
+
+	return (zone->options);
+}
+
+void
+dns_zone_setkeyopt(dns_zone_t *zone, unsigned int keyopt, isc_boolean_t value)
+{
+	REQUIRE(DNS_ZONE_VALID(zone));
+
+	LOCK_ZONE(zone);
+	if (value)
+		zone->keyopts |= keyopt;
+	else
+		zone->keyopts &= ~keyopt;
+	UNLOCK_ZONE(zone);
+}
+
+unsigned int
+dns_zone_getkeyopts(dns_zone_t *zone) {
+
+	REQUIRE(DNS_ZONE_VALID(zone));
+
+	return (zone->keyopts);
+}
+
+isc_result_t
+dns_zone_setxfrsource4(dns_zone_t *zone, const isc_sockaddr_t *xfrsource) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+
+	LOCK_ZONE(zone);
+	zone->xfrsource4 = *xfrsource;
+	UNLOCK_ZONE(zone);
+
+	return (ISC_R_SUCCESS);
+}
+
+isc_sockaddr_t *
+dns_zone_getxfrsource4(dns_zone_t *zone) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+	return (&zone->xfrsource4);
+}
+
+isc_result_t
+dns_zone_setxfrsource6(dns_zone_t *zone, const isc_sockaddr_t *xfrsource) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+
+	LOCK_ZONE(zone);
+	zone->xfrsource6 = *xfrsource;
+	UNLOCK_ZONE(zone);
+
+	return (ISC_R_SUCCESS);
+}
+
+isc_sockaddr_t *
+dns_zone_getxfrsource6(dns_zone_t *zone) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+	return (&zone->xfrsource6);
+}
+
+isc_result_t
+dns_zone_setaltxfrsource4(dns_zone_t *zone,
+			  const isc_sockaddr_t *altxfrsource)
+{
+	REQUIRE(DNS_ZONE_VALID(zone));
+
+	LOCK_ZONE(zone);
+	zone->altxfrsource4 = *altxfrsource;
+	UNLOCK_ZONE(zone);
+
+	return (ISC_R_SUCCESS);
+}
+
+isc_sockaddr_t *
+dns_zone_getaltxfrsource4(dns_zone_t *zone) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+	return (&zone->altxfrsource4);
+}
+
+isc_result_t
+dns_zone_setaltxfrsource6(dns_zone_t *zone,
+			  const isc_sockaddr_t *altxfrsource)
+{
+	REQUIRE(DNS_ZONE_VALID(zone));
+
+	LOCK_ZONE(zone);
+	zone->altxfrsource6 = *altxfrsource;
+	UNLOCK_ZONE(zone);
+
+	return (ISC_R_SUCCESS);
+}
+
+isc_sockaddr_t *
+dns_zone_getaltxfrsource6(dns_zone_t *zone) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+	return (&zone->altxfrsource6);
+}
+
+isc_result_t
+dns_zone_setnotifysrc4(dns_zone_t *zone, const isc_sockaddr_t *notifysrc) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+
+	LOCK_ZONE(zone);
+	zone->notifysrc4 = *notifysrc;
+	UNLOCK_ZONE(zone);
+
+	return (ISC_R_SUCCESS);
+}
+
+isc_sockaddr_t *
+dns_zone_getnotifysrc4(dns_zone_t *zone) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+	return (&zone->notifysrc4);
+}
+
+isc_result_t
+dns_zone_setnotifysrc6(dns_zone_t *zone, const isc_sockaddr_t *notifysrc) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+
+	LOCK_ZONE(zone);
+	zone->notifysrc6 = *notifysrc;
+	UNLOCK_ZONE(zone);
+
+	return (ISC_R_SUCCESS);
+}
+
+isc_sockaddr_t *
+dns_zone_getnotifysrc6(dns_zone_t *zone) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+	return (&zone->notifysrc6);
+}
+
+isc_result_t
+dns_zone_setalsonotify(dns_zone_t *zone, const isc_sockaddr_t *notify,
+		       isc_uint32_t count)
+{
+	isc_sockaddr_t *new;
+
+	REQUIRE(DNS_ZONE_VALID(zone));
+	REQUIRE(count == 0 || notify != NULL);
+
+	LOCK_ZONE(zone);
+	if (zone->notify != NULL) {
+		isc_mem_put(zone->mctx, zone->notify,
+			    zone->notifycnt * sizeof(*new));
+		zone->notify = NULL;
+		zone->notifycnt = 0;
+	}
+	if (count != 0) {
+		new = isc_mem_get(zone->mctx, count * sizeof(*new));
+		if (new == NULL) {
+			UNLOCK_ZONE(zone);
+			return (ISC_R_NOMEMORY);
+		}
+		memcpy(new, notify, count * sizeof(*new));
+		zone->notify = new;
+		zone->notifycnt = count;
+	}
+	UNLOCK_ZONE(zone);
+	return (ISC_R_SUCCESS);
+}
+
+isc_result_t
+dns_zone_setmasters(dns_zone_t *zone, const isc_sockaddr_t *masters,
+		    isc_uint32_t count)
+{
+	isc_result_t result;
+
+	result = dns_zone_setmasterswithkeys(zone, masters, NULL, count);
+	return (result);
+}
+
+static isc_boolean_t
+same_masters(const isc_sockaddr_t *old, const isc_sockaddr_t *new,
+	     isc_uint32_t count)
+{
+	unsigned int i;
+
+	for (i = 0; i < count; i++)
+		if (!isc_sockaddr_equal(&old[i], &new[i]))
+			return (ISC_FALSE);
+	return (ISC_TRUE);
+}
+
+static isc_boolean_t
+same_keynames(dns_name_t **old, dns_name_t **new, isc_uint32_t count) {
+	unsigned int i;
+
+	if (old == NULL && new == NULL)
+		return (ISC_TRUE);
+	if (old == NULL || new == NULL)
+		return (ISC_FALSE);
+
+	for (i = 0; i < count; i++) {
+		if (old[i] == NULL && new[i] == NULL)
+			continue;
+		if (old[i] == NULL || new[i] == NULL ||
+		     !dns_name_equal(old[i], new[i]))
+			return (ISC_FALSE);
+	}
+	return (ISC_TRUE);
+}
+
+isc_result_t
+dns_zone_setmasterswithkeys(dns_zone_t *zone,
+			    const isc_sockaddr_t *masters,
+			    dns_name_t **keynames,
+			    isc_uint32_t count)
+{
+	isc_sockaddr_t *new;
+	isc_result_t result = ISC_R_SUCCESS;
+	dns_name_t **newname;
+	isc_boolean_t *newok;
+	unsigned int i;
+
+	REQUIRE(DNS_ZONE_VALID(zone));
+	REQUIRE(count == 0 || masters != NULL);
+	if (keynames != NULL) {
+		REQUIRE(count != 0);
+	}
+
+	LOCK_ZONE(zone);
+	/*
+	 * The refresh code assumes that 'masters' wouldn't change under it.
+	 * If it will change then kill off any current refresh in progress
+	 * and update the masters info.  If it won't change then we can just
+	 * unlock and exit.
+	 */
+	if (count != zone->masterscnt ||
+	    !same_masters(zone->masters, masters, count) ||
+	    !same_keynames(zone->masterkeynames, keynames, count)) {
+		if (zone->request != NULL)
+			dns_request_cancel(zone->request);
+	} else
+		goto unlock;
+	if (zone->masters != NULL) {
+		isc_mem_put(zone->mctx, zone->masters,
+			    zone->masterscnt * sizeof(*new));
+		zone->masters = NULL;
+	}
+	if (zone->masterkeynames != NULL) {
+		for (i = 0; i < zone->masterscnt; i++) {
+			if (zone->masterkeynames[i] != NULL) {
+				dns_name_free(zone->masterkeynames[i],
+					      zone->mctx);
+				isc_mem_put(zone->mctx,
+					    zone->masterkeynames[i],
+					    sizeof(dns_name_t));
+				zone->masterkeynames[i] = NULL;
+			}
+		}
+		isc_mem_put(zone->mctx, zone->masterkeynames,
+			    zone->masterscnt * sizeof(dns_name_t *));
+		zone->masterkeynames = NULL;
+	}
+	if (zone->mastersok != NULL) {
+		isc_mem_put(zone->mctx, zone->mastersok,
+			    zone->masterscnt * sizeof(isc_boolean_t));
+		zone->mastersok = NULL;
+	}
+	zone->masterscnt = 0;
+	/*
+	 * If count == 0, don't allocate any space for masters, mastersok or
+	 * keynames so internally, those pointers are NULL if count == 0
+	 */
+	if (count == 0)
+		goto unlock;
+
+	/*
+	 * masters must contain count elements!
+	 */
+	new = isc_mem_get(zone->mctx, count * sizeof(*new));
+	if (new == NULL) {
+		result = ISC_R_NOMEMORY;
+		goto unlock;
+	}
+	memcpy(new, masters, count * sizeof(*new));
+
+	/*
+	 * Similarly for mastersok.
+	 */
+	newok = isc_mem_get(zone->mctx, count * sizeof(*newok));
+	if (newok == NULL) {
+		result = ISC_R_NOMEMORY;
+		isc_mem_put(zone->mctx, new, count * sizeof(*new));
+		goto unlock;
+	};
+	for (i = 0; i < count; i++)
+		newok[i] = ISC_FALSE;
+
+	/*
+	 * if keynames is non-NULL, it must contain count elements!
+	 */
+	newname = NULL;
+	if (keynames != NULL) {
+		newname = isc_mem_get(zone->mctx, count * sizeof(*newname));
+		if (newname == NULL) {
+			result = ISC_R_NOMEMORY;
+			isc_mem_put(zone->mctx, new, count * sizeof(*new));
+			isc_mem_put(zone->mctx, newok, count * sizeof(*newok));
+			goto unlock;
+		}
+		for (i = 0; i < count; i++)
+			newname[i] = NULL;
+		for (i = 0; i < count; i++) {
+			if (keynames[i] != NULL) {
+				newname[i] = isc_mem_get(zone->mctx,
+							 sizeof(dns_name_t));
+				if (newname[i] == NULL)
+					goto allocfail;
+				dns_name_init(newname[i], NULL);
+				result = dns_name_dup(keynames[i], zone->mctx,
+						      newname[i]);
+				if (result != ISC_R_SUCCESS) {
+				allocfail:
+					for (i = 0; i < count; i++)
+						if (newname[i] != NULL)
+							dns_name_free(
+							       newname[i],
+							       zone->mctx);
+					isc_mem_put(zone->mctx, new,
+						    count * sizeof(*new));
+					isc_mem_put(zone->mctx, newok,
+						    count * sizeof(*newok));
+					isc_mem_put(zone->mctx, newname,
+						    count * sizeof(*newname));
+					goto unlock;
+				}
+			}
+		}
+	}
+
+	/*
+	 * Everything is ok so attach to the zone.
+	 */
+	zone->masters = new;
+	zone->mastersok = newok;
+	zone->masterkeynames = newname;
+	zone->masterscnt = count;
+	DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_NOMASTERS);
+
+ unlock:
+	UNLOCK_ZONE(zone);
+	return (result);
+}
+
+isc_result_t
+dns_zone_getdb(dns_zone_t *zone, dns_db_t **dpb) {
+	isc_result_t result = ISC_R_SUCCESS;
+
+	REQUIRE(DNS_ZONE_VALID(zone));
+
+	ZONEDB_LOCK(&zone->dblock, isc_rwlocktype_read);
+	if (zone->db == NULL)
+		result = DNS_R_NOTLOADED;
+	else
+		dns_db_attach(zone->db, dpb);
+	ZONEDB_UNLOCK(&zone->dblock, isc_rwlocktype_read);
+
+	return (result);
+}
+
+void
+dns_zone_setdb(dns_zone_t *zone, dns_db_t *db) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+	REQUIRE(zone->type == dns_zone_staticstub);
+
+	ZONEDB_LOCK(&zone->dblock, isc_rwlocktype_write);
+	REQUIRE(zone->db == NULL);
+	dns_db_attach(db, &zone->db);
+	ZONEDB_UNLOCK(&zone->dblock, isc_rwlocktype_write);
+}
+
+/*
+ * Co-ordinates the starting of routine jobs.
+ */
+
+void
+dns_zone_maintenance(dns_zone_t *zone) {
+	const char me[] = "dns_zone_maintenance";
+	isc_time_t now;
+
+	REQUIRE(DNS_ZONE_VALID(zone));
+	ENTER;
+
+	LOCK_ZONE(zone);
+	TIME_NOW(&now);
+	zone_settimer(zone, &now);
+	UNLOCK_ZONE(zone);
+}
+
+static inline isc_boolean_t
+was_dumping(dns_zone_t *zone) {
+	isc_boolean_t dumping;
+
+	REQUIRE(LOCKED_ZONE(zone));
+
+	dumping = DNS_ZONE_FLAG(zone, DNS_ZONEFLG_DUMPING);
+	DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_DUMPING);
+	if (!dumping) {
+		DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_NEEDDUMP);
+		isc_time_settoepoch(&zone->dumptime);
+	}
+	return (dumping);
+}
+
+#define MAXZONEKEYS 10
+
+static isc_result_t
+find_zone_keys(dns_zone_t *zone, dns_db_t *db, dns_dbversion_t *ver,
+	       isc_mem_t *mctx, unsigned int maxkeys,
+	       dst_key_t **keys, unsigned int *nkeys)
+{
+	isc_result_t result;
+	dns_dbnode_t *node = NULL;
+	const char *directory = dns_zone_getkeydirectory(zone);
+
+	CHECK(dns_db_findnode(db, dns_db_origin(db), ISC_FALSE, &node));
+	result = dns_dnssec_findzonekeys2(db, ver, node, dns_db_origin(db),
+					  directory, mctx, maxkeys, keys,
+					  nkeys);
+	if (result == ISC_R_NOTFOUND)
+		result = ISC_R_SUCCESS;
+ failure:
+	if (node != NULL)
+		dns_db_detachnode(db, &node);
+	return (result);
+}
+
+static isc_result_t
+offline(dns_db_t *db, dns_dbversion_t *ver, dns_diff_t *diff, dns_name_t *name,
+	dns_ttl_t ttl, dns_rdata_t *rdata)
+{
+	isc_result_t result;
 
 	if ((rdata->flags & DNS_RDATA_OFFLINE) != 0)
 		return (ISC_R_SUCCESS);
@@ -3752,10 +4575,14 @@ del_sigs(dns_zone_t *zone, dns_db_t *db, dns_dbversion_t *ver, dns_name_t *name,
 				     (isc_stdtime_t) 0, &rdataset, NULL);
 	dns_db_detachnode(db, &node);
 
-	if (result == ISC_R_NOTFOUND)
+	if (result == ISC_R_NOTFOUND) {
+		INSIST(!dns_rdataset_isassociated(&rdataset));
 		return (ISC_R_SUCCESS);
-	if (result != ISC_R_SUCCESS)
+	}
+	if (result != ISC_R_SUCCESS) {
+		INSIST(!dns_rdataset_isassociated(&rdataset));
 		goto failure;
+	}
 
 	for (result = dns_rdataset_first(&rdataset);
 	     result == ISC_R_SUCCESS;
@@ -3841,7 +4668,8 @@ static isc_result_t
 add_sigs(dns_db_t *db, dns_dbversion_t *ver, dns_name_t *name,
 	 dns_rdatatype_t type, dns_diff_t *diff, dst_key_t **keys,
 	 unsigned int nkeys, isc_mem_t *mctx, isc_stdtime_t inception,
-	 isc_stdtime_t expire, isc_boolean_t check_ksk)
+	 isc_stdtime_t expire, isc_boolean_t check_ksk,
+	 isc_boolean_t keyset_kskonly)
 {
 	isc_result_t result;
 	dns_dbnode_t *node = NULL;
@@ -3849,7 +4677,7 @@ add_sigs(dns_db_t *db, dns_dbversion_t *ver, dns_name_t *name,
 	dns_rdata_t sig_rdata = DNS_RDATA_INIT;
 	unsigned char data[1024]; /* XXX */
 	isc_buffer_t buffer;
-	unsigned int i;
+	unsigned int i, j;
 
 	dns_rdataset_init(&rdataset);
 	isc_buffer_init(&buffer, data, sizeof(data));
@@ -3865,18 +4693,59 @@ add_sigs(dns_db_t *db, dns_dbversion_t *ver, dns_name_t *name,
 	result = dns_db_findrdataset(db, node, ver, type, 0,
 				     (isc_stdtime_t) 0, &rdataset, NULL);
 	dns_db_detachnode(db, &node);
-	if (result == ISC_R_NOTFOUND)
+	if (result == ISC_R_NOTFOUND) {
+		INSIST(!dns_rdataset_isassociated(&rdataset));
 		return (ISC_R_SUCCESS);
-	if (result != ISC_R_SUCCESS)
+	}
+	if (result != ISC_R_SUCCESS) {
+		INSIST(!dns_rdataset_isassociated(&rdataset));
 		goto failure;
+	}
+
+#define REVOKE(x) ((dst_key_flags(x) & DNS_KEYFLAG_REVOKE) != 0)
+#define KSK(x) ((dst_key_flags(x) & DNS_KEYFLAG_KSK) != 0)
+#define ALG(x) dst_key_alg(x)
 
 	for (i = 0; i < nkeys; i++) {
-		if (check_ksk && type != dns_rdatatype_dnskey &&
-		    (dst_key_flags(keys[i]) & DNS_KEYFLAG_KSK) != 0)
-			continue;
+		isc_boolean_t both = ISC_FALSE;
+
 		if (!dst_key_isprivate(keys[i]))
 			continue;
+
+		if (check_ksk && !REVOKE(keys[i])) {
+			isc_boolean_t have_ksk, have_nonksk;
+			if (KSK(keys[i])) {
+				have_ksk = ISC_TRUE;
+				have_nonksk = ISC_FALSE;
+			} else {
+				have_ksk = ISC_FALSE;
+				have_nonksk = ISC_TRUE;
+			}
+			for (j = 0; j < nkeys; j++) {
+				if (j == i || ALG(keys[i]) != ALG(keys[j]))
+					continue;
+				if (REVOKE(keys[j]))
+					continue;
+				if (KSK(keys[j]))
+					have_ksk = ISC_TRUE;
+				else
+					have_nonksk = ISC_TRUE;
+				both = have_ksk && have_nonksk;
+				if (both)
+					break;
+			}
+		}
+		if (both) {
+			if (type == dns_rdatatype_dnskey) {
+				if (!KSK(keys[i]) && keyset_kskonly)
+					continue;
+			} else if (KSK(keys[i]))
+				continue;
+		} else if (REVOKE(keys[i]) && type != dns_rdatatype_dnskey)
+				continue;
+
 		/* Calculate the signature, creating a RRSIG RDATA. */
+		isc_buffer_clear(&buffer);
 		CHECK(dns_dnssec_sign(name, &rdataset, keys[i],
 				      &inception, &expire,
 				      mctx, &buffer, &sig_rdata));
@@ -3898,7 +4767,6 @@ add_sigs(dns_db_t *db, dns_dbversion_t *ver, dns_name_t *name,
 
 static void
 zone_resigninc(dns_zone_t *zone) {
-	const char *journalfile;
 	dns_db_t *db = NULL;
 	dns_dbversion_t *version = NULL;
 	dns_diff_t sig_diff;
@@ -3907,7 +4775,7 @@ zone_resigninc(dns_zone_t *zone) {
 	dns_rdataset_t rdataset;
 	dns_rdatatype_t covers;
 	dst_key_t *zone_keys[MAXZONEKEYS];
-	isc_boolean_t check_ksk;
+	isc_boolean_t check_ksk, keyset_kskonly = ISC_FALSE;
 	isc_result_t result;
 	isc_stdtime_t now, inception, soaexpire, expire, stop;
 	isc_uint32_t jitter;
@@ -3962,8 +4830,7 @@ zone_resigninc(dns_zone_t *zone) {
 	stop = now + 5;
 
 	check_ksk = DNS_ZONE_OPTION(zone, DNS_ZONEOPT_UPDATECHECKKSK);
-	if (check_ksk)
-		check_ksk = ksk_sanity(db, version);
+	keyset_kskonly = DNS_ZONE_OPTION(zone, DNS_ZONEOPT_DNSKEYKSKONLY);
 
 	name = dns_fixedname_name(&fixed);
 	result = dns_db_getsigningtime(db, &rdataset, name);
@@ -4007,14 +4874,14 @@ zone_resigninc(dns_zone_t *zone) {
 		}
 		result = add_sigs(db, version, name, covers, &sig_diff,
 				  zone_keys, nkeys, zone->mctx, inception,
-				  expire, check_ksk);
+				  expire, check_ksk, keyset_kskonly);
 		if (result != ISC_R_SUCCESS) {
 			dns_zone_log(zone, ISC_LOG_ERROR,
 				     "zone_resigninc:add_sigs -> %s\n",
 				     dns_result_totext(result));
 			break;
 		}
-		result  = dns_db_getsigningtime(db, &rdataset,
+		result	= dns_db_getsigningtime(db, &rdataset,
 						dns_fixedname_name(&fixed));
 		if (nkeys == 0 && result == ISC_R_NOTFOUND) {
 			result = ISC_R_SUCCESS;
@@ -4052,7 +4919,7 @@ zone_resigninc(dns_zone_t *zone) {
 	 */
 	result = add_sigs(db, version, &zone->origin, dns_rdatatype_soa,
 			  &sig_diff, zone_keys, nkeys, zone->mctx, inception,
-			  soaexpire, check_ksk);
+			  soaexpire, check_ksk, keyset_kskonly);
 	if (result != ISC_R_SUCCESS) {
 		dns_zone_log(zone, ISC_LOG_ERROR,
 			     "zone_resigninc:add_sigs -> %s\n",
@@ -4060,31 +4927,10 @@ zone_resigninc(dns_zone_t *zone) {
 		goto failure;
 	}
 
-	journalfile = dns_zone_getjournal(zone);
-	if (journalfile != NULL) {
-		dns_journal_t *journal = NULL;
-		result = dns_journal_open(zone->mctx, journalfile,
-					  ISC_TRUE, &journal);
-		if (result != ISC_R_SUCCESS) {
-			dns_zone_log(zone, ISC_LOG_ERROR,
-				     "zone_resigninc:dns_journal_open -> %s\n",
-				     dns_result_totext(result));
-			goto failure;
-		}
-
-		result = dns_journal_write_transaction(journal, &sig_diff);
-		dns_journal_destroy(&journal);
-		if (result != ISC_R_SUCCESS) {
-			dns_zone_log(zone, ISC_LOG_ERROR,
-			 "zone_resigninc:dns_journal_write_transaction -> %s\n",
-				     dns_result_totext(result));
-			goto failure;
-		}
-	}
+	/* Write changes to journal file. */
+	zone_journal(zone, &sig_diff, "zone_resigninc");
 
-	/*
-	 * Everything has succeeded. Commit the changes.
-	 */
+	/* Everything has succeeded. Commit the changes. */
 	dns_db_closeversion(db, &version, ISC_TRUE);
 
  failure:
@@ -4151,16 +4997,6 @@ next_active(dns_db_t *db, dns_dbversion_t *version, dns_name_t *oldname,
 	return (result);
 }
 
-static void
-set_bit(unsigned char *array, unsigned int index) {
-	unsigned int shift, mask;
-
-	shift = 7 - (index % 8);
-	mask = 1 << shift;
-
-	array[index / 8] |= mask;
-}
-
 static isc_boolean_t
 signed_with_key(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
 		dns_rdatatype_t type, dst_key_t *key)
@@ -4173,8 +5009,10 @@ signed_with_key(dns_db_t *db, dns_dbnode_t *node, dns_dbversion_t *version,
 	dns_rdataset_init(&rdataset);
 	result = dns_db_findrdataset(db, node, version, dns_rdatatype_rrsig,
 				     type, 0, &rdataset, NULL);
-	if (result != ISC_R_SUCCESS)
+	if (result != ISC_R_SUCCESS) {
+		INSIST(!dns_rdataset_isassociated(&rdataset));
 		return (ISC_FALSE);
+	}
 	for (result = dns_rdataset_first(&rdataset);
 	     result == ISC_R_SUCCESS;
 	     result = dns_rdataset_next(&rdataset)) {
@@ -4209,21 +5047,6 @@ add_nsec(dns_db_t *db, dns_dbversion_t *version, dns_name_t *name,
 	CHECK(next_active(db, version, name, next, bottom));
 	CHECK(dns_nsec_buildrdata(db, version, node, next, nsecbuffer,
 				  &rdata));
-	if (dns_name_equal(dns_db_origin(db), name)) {
-		/*
-		 * Set the OPT bit to indicate that this is a
-		 * partially secure zone.
-		 */
-		isc_region_t region;
-
-		dns_rdata_toregion(&rdata, ®ion);
-		dns_name_fromregion(next, ®ion);
-		isc_region_consume(®ion, next->length);
-		INSIST(region.length > (2 + dns_rdatatype_opt / 8) &&
-		       region.base[0] == 0 &&
-		       region.base[1] > dns_rdatatype_opt / 8);
-		set_bit(region.base + 2, dns_rdatatype_opt);
-	}
 	CHECK(update_one_rr(db, version, diff, DNS_DIFFOP_ADD, name, ttl,
 			    &rdata));
  failure:
@@ -4236,8 +5059,8 @@ sign_a_node(dns_db_t *db, dns_name_t *name, dns_dbnode_t *node,
 	    isc_boolean_t build_nsec, dst_key_t *key,
 	    isc_stdtime_t inception, isc_stdtime_t expire,
 	    unsigned int minimum, isc_boolean_t is_ksk,
-	    isc_boolean_t *delegation, dns_diff_t *diff,
-	    isc_int32_t *signatures, isc_mem_t *mctx)
+	    isc_boolean_t keyset_kskonly, isc_boolean_t *delegation,
+	    dns_diff_t *diff, isc_int32_t *signatures, isc_mem_t *mctx)
 {
 	isc_result_t result;
 	dns_rdatasetiter_t *iterator = NULL;
@@ -4255,6 +5078,7 @@ sign_a_node(dns_db_t *db, dns_name_t *name, dns_dbnode_t *node,
 			result = ISC_R_SUCCESS;
 		return (result);
 	}
+
 	dns_rdataset_init(&rdataset);
 	isc_buffer_init(&buffer, data, sizeof(data));
 	seen_rr = seen_soa = seen_ns = seen_dname = seen_nsec =
@@ -4275,7 +5099,8 @@ sign_a_node(dns_db_t *db, dns_name_t *name, dns_dbnode_t *node,
 			seen_nsec = ISC_TRUE;
 		else if (rdataset.type == dns_rdatatype_nsec3)
 			seen_nsec3 = ISC_TRUE;
-		seen_rr = ISC_TRUE;
+		if (rdataset.type != dns_rdatatype_rrsig)
+			seen_rr = ISC_TRUE;
 		dns_rdataset_disassociate(&rdataset);
 	}
 	if (result != ISC_R_NOMORE)
@@ -4299,9 +5124,15 @@ sign_a_node(dns_db_t *db, dns_name_t *name, dns_dbnode_t *node,
 	if (build_nsec && !seen_nsec3 && !seen_nsec && seen_rr) {
 		/* Build and add NSEC. */
 		bottom = (seen_ns && !seen_soa) || seen_dname;
-		CHECK(add_nsec(db, version, name, node, minimum, bottom, diff));
-		/* Count a NSEC generation as a signature generation. */
-		(*signatures)--;
+		/*
+		 * Build a NSEC record except at the origin.
+		 */
+		if (!dns_name_equal(name, dns_db_origin(db))) {
+			CHECK(add_nsec(db, version, name, node, minimum,
+				       bottom, diff));
+			/* Count a NSEC generation as a signature generation. */
+			(*signatures)--;
+		}
 	}
 	result = dns_rdatasetiter_first(iterator);
 	while (result == ISC_R_SUCCESS) {
@@ -4309,7 +5140,10 @@ sign_a_node(dns_db_t *db, dns_name_t *name, dns_dbnode_t *node,
 		if (rdataset.type == dns_rdatatype_soa ||
 		    rdataset.type == dns_rdatatype_rrsig)
 			goto next_rdataset;
-		if (is_ksk && rdataset.type != dns_rdatatype_dnskey)
+		if (rdataset.type == dns_rdatatype_dnskey) {
+			if (!is_ksk && keyset_kskonly)
+				goto next_rdataset;
+		} else if (is_ksk)
 			goto next_rdataset;
 		if (*delegation &&
 		    rdataset.type != dns_rdatatype_ds &&
@@ -4318,6 +5152,7 @@ sign_a_node(dns_db_t *db, dns_name_t *name, dns_dbnode_t *node,
 		if (signed_with_key(db, node, version, rdataset.type, key))
 			goto next_rdataset;
 		/* Calculate the signature, creating a RRSIG RDATA. */
+		isc_buffer_clear(&buffer);
 		CHECK(dns_dnssec_sign(name, &rdataset, key, &inception,
 				      &expire, mctx, &buffer, &rdata));
 		/* Update the database and journal with the RRSIG. */
@@ -4334,7 +5169,7 @@ sign_a_node(dns_db_t *db, dns_name_t *name, dns_dbnode_t *node,
 		result = ISC_R_SUCCESS;
 	if (seen_dname)
 		*delegation = ISC_TRUE;
-failure:
+ failure:
 	if (dns_rdataset_isassociated(&rdataset))
 		dns_rdataset_disassociate(&rdataset);
 	if (iterator != NULL)
@@ -4342,63 +5177,45 @@ failure:
 	return (result);
 }
 
+/*
+ * If 'update_only' is set then don't create a NSEC RRset if it doesn't exist.
+ */
 static isc_result_t
 updatesecure(dns_db_t *db, dns_dbversion_t *version, dns_name_t *name,
-	     dns_ttl_t minimum, isc_boolean_t *secureupdated, dns_diff_t *diff)
+	     dns_ttl_t minimum, isc_boolean_t update_only, dns_diff_t *diff)
 {
 	isc_result_t result;
-	dns_rdata_t rdata = DNS_RDATA_INIT;
-	unsigned char nsecbuffer[DNS_NSEC_BUFFERSIZE];
 	dns_rdataset_t rdataset;
-	dns_rdata_nsec_t nsec;
 	dns_dbnode_t *node = NULL;
 
-	/*
-	 * Check to see if the OPT bit has already been cleared.
-	 */
 	CHECK(dns_db_getoriginnode(db, &node));
-	dns_rdataset_init(&rdataset);
-	CHECK(dns_db_findrdataset(db, node, version, dns_rdatatype_nsec,
-				  dns_rdatatype_none, 0, &rdataset, NULL));
-	CHECK(dns_rdataset_first(&rdataset));
-	dns_rdataset_current(&rdataset, &rdata);
-
-	/*
-	 * Find the NEXT name for building the new record.
-	 */
-	CHECK(dns_rdata_tostruct(&rdata, &nsec, NULL));
-
-	/*
-	 * Delete the old NSEC record.
-	 */
-	CHECK(update_one_rr(db, version, diff, DNS_DIFFOP_DEL, name, minimum,
-			    &rdata));
-	dns_rdata_reset(&rdata);
-
-	/*
-	 * Add the new NSEC record.
-	 */
-	CHECK(dns_nsec_buildrdata(db, version, node, &nsec.next, nsecbuffer,
-				  &rdata));
-	CHECK(update_one_rr(db, version, diff, DNS_DIFFOP_ADD, name, minimum,
-			    &rdata));
-	dns_rdata_reset(&rdata);
-
-	if (secureupdated != NULL)
-		*secureupdated = ISC_TRUE;
-
+	if (update_only) {
+		dns_rdataset_init(&rdataset);
+		result = dns_db_findrdataset(db, node, version,
+					     dns_rdatatype_nsec,
+					     dns_rdatatype_none,
+					     0, &rdataset, NULL);
+		if (dns_rdataset_isassociated(&rdataset))
+			dns_rdataset_disassociate(&rdataset);
+		if (result == ISC_R_NOTFOUND)
+			goto success;
+		if (result != ISC_R_SUCCESS)
+			goto failure;
+	}
+	CHECK(delete_nsec(db, version, node, name, diff));
+	CHECK(add_nsec(db, version, name, node, minimum, ISC_FALSE, diff));
+ success:
+	result = ISC_R_SUCCESS;
  failure:
 	if (node != NULL)
 		dns_db_detachnode(db, &node);
-	if (dns_rdataset_isassociated(&rdataset))
-		dns_rdataset_disassociate(&rdataset);
 	return (result);
 }
 
 static isc_result_t
-updatesignwithkey(dns_signing_t *signing, dns_dbversion_t *version,
-		  dns_name_t *name, dns_rdatatype_t privatetype,
-		  dns_diff_t *diff)
+updatesignwithkey(dns_zone_t *zone, dns_signing_t *signing,
+		  dns_dbversion_t *version, isc_boolean_t build_nsec3,
+		  dns_ttl_t minimum, dns_diff_t *diff)
 {
 	isc_result_t result;
 	dns_dbnode_t *node = NULL;
@@ -4406,43 +5223,68 @@ updatesignwithkey(dns_signing_t *signing, dns_dbversion_t *version,
 	dns_rdata_t rdata = DNS_RDATA_INIT;
 	unsigned char data[5];
 	isc_boolean_t seen_done = ISC_FALSE;
+	isc_boolean_t have_rr = ISC_FALSE;
 
 	dns_rdataset_init(&rdataset);
 	result = dns_db_getoriginnode(signing->db, &node);
 	if (result != ISC_R_SUCCESS)
 		goto failure;
 
-	result = dns_db_findrdataset(signing->db, node, version, privatetype,
-				     dns_rdatatype_none, 0, &rdataset, NULL);
+	result = dns_db_findrdataset(signing->db, node, version,
+				     zone->privatetype, dns_rdatatype_none,
+				     0, &rdataset, NULL);
 	if (result == ISC_R_NOTFOUND) {
+		INSIST(!dns_rdataset_isassociated(&rdataset));
 		result = ISC_R_SUCCESS;
 		goto failure;
 	}
-	if (result != ISC_R_SUCCESS)
+	if (result != ISC_R_SUCCESS) {
+		INSIST(!dns_rdataset_isassociated(&rdataset));
 		goto failure;
+	}
 	for (result = dns_rdataset_first(&rdataset);
 	     result == ISC_R_SUCCESS;
 	     result = dns_rdataset_next(&rdataset)) {
 		dns_rdataset_current(&rdataset, &rdata);
+		/*
+		 * If we don't match the algorithm or keyid skip the record.
+		 */
 		if (rdata.length != 5 ||
 		    rdata.data[0] != signing->algorithm ||
 		    rdata.data[1] != ((signing->keyid >> 8) & 0xff) ||
 		    rdata.data[2] != (signing->keyid & 0xff)) {
+			have_rr = ISC_TRUE;
 			dns_rdata_reset(&rdata);
 			continue;
 		}
-		if (!signing->delete && rdata.data[4] != 0)
+		/*
+		 * We have a match.  If we were signing (!signing->delete)
+		 * and we already have a record indicating that we have
+		 * finished signing (rdata.data[4] != 0) then keep it.
+		 * Otherwise it needs to be deleted as we have removed all
+		 * the signatures (signing->delete), so any record indicating
+		 * completion is now out of date, or we have finished signing
+		 * with the new record so we no longer need to remember that
+		 * we need to sign the zone with the matching key across a
+		 * nameserver re-start.
+		 */
+		if (!signing->delete && rdata.data[4] != 0) {
 			seen_done = ISC_TRUE;
-		else
+			have_rr = ISC_TRUE;
+		} else
 			CHECK(update_one_rr(signing->db, version, diff,
-					    DNS_DIFFOP_DEL, name,
+					    DNS_DIFFOP_DEL, &zone->origin,
 					    rdataset.ttl, &rdata));
 		dns_rdata_reset(&rdata);
 	}
 	if (result == ISC_R_NOMORE)
 		result = ISC_R_SUCCESS;
 	if (!signing->delete && !seen_done) {
-
+		/*
+		 * If we were signing then we need to indicate that we have
+		 * finished signing the zone with this key.  If it is already
+		 * there we don't need to add it a second time.
+		 */
 		data[0] = signing->algorithm;
 		data[1] = (signing->keyid >> 8) & 0xff;
 		data[2] = signing->keyid & 0xff;
@@ -4450,11 +5292,23 @@ updatesignwithkey(dns_signing_t *signing, dns_dbversion_t *version,
 		data[4] = 1;
 		rdata.length = sizeof(data);
 		rdata.data = data;
-		rdata.type = privatetype;
+		rdata.type = zone->privatetype;
 		rdata.rdclass = dns_db_class(signing->db);
 		CHECK(update_one_rr(signing->db, version, diff, DNS_DIFFOP_ADD,
-				    name, rdataset.ttl, &rdata));
+				    &zone->origin, rdataset.ttl, &rdata));
+	} else if (!have_rr) {
+		dns_name_t *origin = dns_db_origin(signing->db);
+		/*
+		 * Rebuild the NSEC/NSEC3 record for the origin as we no
+		 * longer have any private records.
+		 */
+		if (build_nsec3)
+			CHECK(dns_nsec3_addnsec3s(signing->db, version, origin,
+						  minimum, ISC_FALSE, diff));
+		CHECK(updatesecure(signing->db, version, origin, minimum,
+				   ISC_TRUE, diff));
 	}
+
  failure:
 	if (dns_rdataset_isassociated(&rdataset))
 		dns_rdataset_disassociate(&rdataset);
@@ -4463,9 +5317,15 @@ updatesignwithkey(dns_signing_t *signing, dns_dbversion_t *version,
 	return (result);
 }
 
+/*
+ * If 'active' is set then we are not done with the chain yet so only
+ * delete the nsec3param record which indicates a full chain exists
+ * (flags == 0).
+ */
 static isc_result_t
 fixup_nsec3param(dns_db_t *db, dns_dbversion_t *ver, dns_nsec3chain_t *chain,
-		 isc_boolean_t active, dns_diff_t *diff)
+		 isc_boolean_t active, dns_rdatatype_t privatetype,
+		 dns_diff_t *diff)
 {
 	dns_dbnode_t *node = NULL;
 	dns_name_t *name = dns_db_origin(db);
@@ -4484,7 +5344,7 @@ fixup_nsec3param(dns_db_t *db, dns_dbversion_t *ver, dns_nsec3chain_t *chain,
 	result = dns_db_findrdataset(db, node, ver, dns_rdatatype_nsec3param,
 				     0, 0, &rdataset, NULL);
 	if (result == ISC_R_NOTFOUND)
-		goto add;
+		goto try_private;
 	if (result != ISC_R_SUCCESS)
 		goto failure;
 
@@ -4520,6 +5380,50 @@ fixup_nsec3param(dns_db_t *db, dns_dbversion_t *ver, dns_nsec3chain_t *chain,
 	if (result != ISC_R_NOMORE)
 		goto failure;
 
+	dns_rdataset_disassociate(&rdataset);
+
+ try_private:
+
+	if (active)
+		goto add;
+	/*
+	 * Delete all private records which match that in nsec3chain.
+	 */
+	result = dns_db_findrdataset(db, node, ver, privatetype,
+				     0, 0, &rdataset, NULL);
+	if (result == ISC_R_NOTFOUND)
+		goto add;
+	if (result != ISC_R_SUCCESS)
+		goto failure;
+
+	for (result = dns_rdataset_first(&rdataset);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rdataset_next(&rdataset)) {
+		dns_rdata_t private = DNS_RDATA_INIT;
+		unsigned char buf[DNS_NSEC3PARAM_BUFFERSIZE];
+
+		dns_rdataset_current(&rdataset, &private);
+		if (!dns_nsec3param_fromprivate(&private, &rdata,
+						buf, sizeof(buf)))
+			continue;
+		CHECK(dns_rdata_tostruct(&rdata, &nsec3param, NULL));
+
+		if (nsec3param.hash != chain->nsec3param.hash ||
+		    nsec3param.iterations != chain->nsec3param.iterations ||
+		    nsec3param.salt_length != chain->nsec3param.salt_length ||
+		    memcmp(nsec3param.salt, chain->nsec3param.salt,
+			   nsec3param.salt_length)) {
+			dns_rdata_reset(&rdata);
+			continue;
+		}
+
+		CHECK(update_one_rr(db, ver, diff, DNS_DIFFOP_DEL,
+				    name, rdataset.ttl, &private));
+		dns_rdata_reset(&rdata);
+	}
+	if (result != ISC_R_NOMORE)
+		goto failure;
+
   add:
 	if ((chain->nsec3param.flags & DNS_NSEC3FLAG_REMOVE) != 0) {
 		result = ISC_R_SUCCESS;
@@ -4620,7 +5524,7 @@ deletematchingnsec3(dns_db_t *db, dns_dbversion_t *ver, dns_dbnode_t *node,
 static isc_result_t
 need_nsec_chain(dns_db_t *db, dns_dbversion_t *ver,
 		const dns_rdata_nsec3param_t *param,
-		isc_boolean_t *answer, isc_boolean_t *updatensec)
+		isc_boolean_t *answer)
 {
 	dns_dbnode_t *node = NULL;
 	dns_rdata_t rdata = DNS_RDATA_INIT;
@@ -4634,29 +5538,19 @@ need_nsec_chain(dns_db_t *db, dns_dbversion_t *ver,
 	RUNTIME_CHECK(result == ISC_R_SUCCESS);
 
 	dns_rdataset_init(&rdataset);
+
 	result = dns_db_findrdataset(db, node, ver, dns_rdatatype_nsec,
 				     0, 0, &rdataset, NULL);
-	if (result == ISC_R_NOTFOUND)
-		goto check_nsec3param;
-
-	if (result != ISC_R_SUCCESS)
-		goto failure;
-
-	CHECK(dns_rdataset_first(&rdataset));
-	dns_rdataset_current(&rdataset, &rdata);
-
-	if (!dns_nsec_typepresent(&rdata, dns_rdatatype_opt)) {
-		/*
-		 * We have a complete NSEC chain.  Signal to update
-		 * the apex NSEC record.
-		 */
-		*updatensec = ISC_TRUE;
-		goto failure;
+	if (result == ISC_R_SUCCESS) {
+		dns_rdataset_disassociate(&rdataset);
+		dns_db_detachnode(db, &node);
+		return (result);
+	}
+	if (result != ISC_R_NOTFOUND) {
+		dns_db_detachnode(db, &node);
+		return (result);
 	}
-	dns_rdataset_disassociate(&rdataset);
-	dns_rdata_reset(&rdata);
 
- check_nsec3param:
 	result = dns_db_findrdataset(db, node, ver, dns_rdatatype_nsec3param,
 				     0, 0, &rdataset, NULL);
 	if (result == ISC_R_NOTFOUND) {
@@ -4705,13 +5599,60 @@ need_nsec_chain(dns_db_t *db, dns_dbversion_t *ver,
 	return (result);
 }
 
+static isc_result_t
+update_sigs(dns_diff_t *diff, dns_db_t *db, dns_dbversion_t *version,
+	    dst_key_t *zone_keys[], unsigned int nkeys, dns_zone_t *zone,
+	    isc_stdtime_t inception, isc_stdtime_t expire, isc_stdtime_t now,
+	    isc_boolean_t check_ksk, isc_boolean_t keyset_kskonly,
+	    dns_diff_t *sig_diff)
+{
+	dns_difftuple_t *tuple;
+	isc_result_t result;
+
+	for (tuple = ISC_LIST_HEAD(diff->tuples);
+	     tuple != NULL;
+	     tuple = ISC_LIST_HEAD(diff->tuples)) {
+		result = del_sigs(zone, db, version, &tuple->name,
+				  tuple->rdata.type, sig_diff,
+				  zone_keys, nkeys, now);
+		if (result != ISC_R_SUCCESS) {
+			dns_zone_log(zone, ISC_LOG_ERROR,
+				     "update_sigs:del_sigs -> %s\n",
+				     dns_result_totext(result));
+			return (result);
+		}
+		result = add_sigs(db, version, &tuple->name,
+				  tuple->rdata.type, sig_diff,
+				  zone_keys, nkeys, zone->mctx, inception,
+				  expire, check_ksk, keyset_kskonly);
+		if (result != ISC_R_SUCCESS) {
+			dns_zone_log(zone, ISC_LOG_ERROR,
+				     "update_sigs:add_sigs -> %s\n",
+				     dns_result_totext(result));
+			return (result);
+		}
+
+		do {
+			dns_difftuple_t *next = ISC_LIST_NEXT(tuple, link);
+			while (next != NULL &&
+			       (tuple->rdata.type != next->rdata.type ||
+				!dns_name_equal(&tuple->name, &next->name)))
+				next = ISC_LIST_NEXT(next, link);
+			ISC_LIST_UNLINK(diff->tuples, tuple, link);
+			dns_diff_appendminimal(sig_diff, &tuple);
+			INSIST(tuple == NULL);
+			tuple = next;
+		} while (tuple != NULL);
+	}
+	return (ISC_R_SUCCESS);
+}
+
 /*
  * Incrementally build and sign a new NSEC3 chain using the parameters
  * requested.
  */
 static void
 zone_nsec3chain(dns_zone_t *zone) {
-	const char *journalfile;
 	dns_db_t *db = NULL;
 	dns_dbnode_t *node = NULL;
 	dns_dbversion_t *version = NULL;
@@ -4727,7 +5668,7 @@ zone_nsec3chain(dns_zone_t *zone) {
 	dns_nsec3chainlist_t cleanup;
 	dst_key_t *zone_keys[MAXZONEKEYS];
 	isc_int32_t signatures;
-	isc_boolean_t check_ksk, is_ksk;
+	isc_boolean_t check_ksk, keyset_kskonly, is_ksk;
 	isc_boolean_t delegation;
 	isc_boolean_t first;
 	isc_result_t result;
@@ -4740,9 +5681,9 @@ zone_nsec3chain(dns_zone_t *zone) {
 	isc_boolean_t seen_soa, seen_ns, seen_dname, seen_ds;
 	isc_boolean_t seen_nsec, seen_nsec3, seen_rr;
 	dns_rdatasetiter_t *iterator = NULL;
-	dns_difftuple_t *tuple;
 	isc_boolean_t buildnsecchain;
 	isc_boolean_t updatensec = ISC_FALSE;
+	dns_rdatatype_t privatetype = zone->privatetype;
 
 	dns_rdataset_init(&rdataset);
 	dns_fixedname_init(&fixed);
@@ -4799,8 +5740,7 @@ zone_nsec3chain(dns_zone_t *zone) {
 	stop = now + 5;
 
 	check_ksk = DNS_ZONE_OPTION(zone, DNS_ZONEOPT_UPDATECHECKKSK);
-	if (check_ksk)
-		check_ksk = ksk_sanity(db, version);
+	keyset_kskonly = DNS_ZONE_OPTION(zone, DNS_ZONEOPT_DNSKEYKSKONLY);
 
 	/*
 	 * We keep pulling nodes off each iterator in turn until
@@ -4924,9 +5864,17 @@ zone_nsec3chain(dns_zone_t *zone) {
 		 * Process one node.
 		 */
 		dns_dbiterator_pause(nsec3chain->dbiterator);
-		CHECK(dns_nsec3_addnsec3(db, version, name,
-					 &nsec3chain->nsec3param,
-					 zone->minimum, unsecure, &nsec3_diff));
+		result = dns_nsec3_addnsec3(db, version, name,
+					    &nsec3chain->nsec3param,
+					    zone->minimum, unsecure,
+					    &nsec3_diff);
+		if (result != ISC_R_SUCCESS) {
+			dns_zone_log(zone, ISC_LOG_ERROR, "zone_nsec3chain:"
+				     "dns_nsec3_addnsec3 -> %s\n",
+				     dns_result_totext(result));
+			goto failure;
+		}
+
 		/*
 		 * Treat each call to dns_nsec3_addnsec3() as if it's cost is
 		 * two signatures.  Additionally there will, in general, be
@@ -4948,7 +5896,8 @@ zone_nsec3chain(dns_zone_t *zone) {
 
 			if (result == ISC_R_NOMORE && nsec3chain->delete_nsec) {
 				CHECK(fixup_nsec3param(db, version, nsec3chain,
-						       ISC_FALSE, ¶m_diff));
+						       ISC_FALSE, privatetype,
+						       ¶m_diff));
 				LOCK_ZONE(zone);
 				ISC_LIST_UNLINK(zone->nsec3chain, nsec3chain,
 						link);
@@ -4962,12 +5911,14 @@ zone_nsec3chain(dns_zone_t *zone) {
 					CHECK(fixup_nsec3param(db, version,
 							       nsec3chain,
 							       ISC_TRUE,
+							       privatetype,
 							       ¶m_diff));
 					nsec3chain->delete_nsec = ISC_TRUE;
 					goto same_addchain;
 				}
 				CHECK(fixup_nsec3param(db, version, nsec3chain,
-						       ISC_FALSE, ¶m_diff));
+						       ISC_FALSE, privatetype,
+						       ¶m_diff));
 				LOCK_ZONE(zone);
 				ISC_LIST_UNLINK(zone->nsec3chain, nsec3chain,
 						link);
@@ -5028,10 +5979,22 @@ zone_nsec3chain(dns_zone_t *zone) {
 		 * of removing this NSEC3 chain.
 		 */
 		if (first && !updatensec &&
-		    (nsec3chain->nsec3param.flags & DNS_NSEC3FLAG_NONSEC) == 0)
-			CHECK(need_nsec_chain(db, version,
-					      &nsec3chain->nsec3param,
-					      &buildnsecchain, &updatensec));
+		    (nsec3chain->nsec3param.flags & DNS_NSEC3FLAG_NONSEC) == 0) {
+			result = need_nsec_chain(db, version,
+						 &nsec3chain->nsec3param,
+						 &buildnsecchain);
+			if (result != ISC_R_SUCCESS) {
+				dns_zone_log(zone, ISC_LOG_ERROR,
+					     "zone_nsec3chain:"
+					     "need_nsec_chain -> %s\n",
+					     dns_result_totext(result));
+				goto failure;
+			}
+		}
+
+		if (first)
+			dns_zone_log(zone, ISC_LOG_DEBUG(3), "zone_nsec3chain:"
+				     "buildnsecchain = %u\n", buildnsecchain);
 
 		dns_dbiterator_current(nsec3chain->dbiterator, &node, name);
 		delegation = ISC_FALSE;
@@ -5040,16 +6003,33 @@ zone_nsec3chain(dns_zone_t *zone) {
 			/*
 			 * Delete the NSECPARAM record that matches this chain.
 			 */
-			if (first)
-				CHECK(fixup_nsec3param(db, version, nsec3chain,
-						       ISC_TRUE, ¶m_diff));
+			if (first) {
+				result = fixup_nsec3param(db, version,
+							  nsec3chain,
+							  ISC_TRUE, privatetype,
+							  ¶m_diff);
+				if (result != ISC_R_SUCCESS) {
+					dns_zone_log(zone, ISC_LOG_ERROR,
+						     "zone_nsec3chain:"
+						     "fixup_nsec3param -> %s\n",
+						     dns_result_totext(result));
+					goto failure;
+				}
+			}
 
 			/*
 			 *  Delete the NSEC3 records.
 			 */
-			CHECK(deletematchingnsec3(db, version, node, name,
-						  &nsec3chain->nsec3param,
-						  &nsec3_diff));
+			result = deletematchingnsec3(db, version, node, name,
+						     &nsec3chain->nsec3param,
+						     &nsec3_diff);
+			if (result != ISC_R_SUCCESS) {
+				dns_zone_log(zone, ISC_LOG_ERROR,
+					     "zone_nsec3chain:"
+					     "deletematchingnsec3 -> %s\n",
+					     dns_result_totext(result));
+				goto failure;
+			}
 			goto next_removenode;
 		}
 
@@ -5100,7 +6080,8 @@ zone_nsec3chain(dns_zone_t *zone) {
 				seen_nsec = ISC_TRUE;
 			else if (rdataset.type == dns_rdatatype_nsec3)
 				seen_nsec3 = ISC_TRUE;
-			seen_rr = ISC_TRUE;
+			if (rdataset.type != dns_rdatatype_rrsig)
+				seen_rr = ISC_TRUE;
 			dns_rdataset_disassociate(&rdataset);
 		}
 		dns_rdatasetiter_destroy(&iterator);
@@ -5110,8 +6091,14 @@ zone_nsec3chain(dns_zone_t *zone) {
 		if ((seen_ns && !seen_soa) || seen_dname)
 			delegation = ISC_TRUE;
 
-		CHECK(add_nsec(db, version, name, node, zone->minimum,
-			       delegation, &nsec_diff));
+		/*
+		 * Add a NSEC record except at the origin.
+		 */
+		if (!dns_name_equal(name, dns_db_origin(db))) {
+			dns_dbiterator_pause(nsec3chain->dbiterator);
+			CHECK(add_nsec(db, version, name, node, zone->minimum,
+				       delegation, &nsec_diff));
+		}
 
  next_removenode:
 		first = ISC_FALSE;
@@ -5133,8 +6120,17 @@ zone_nsec3chain(dns_zone_t *zone) {
 				UNLOCK_ZONE(zone);
 				ISC_LIST_APPEND(cleanup, nsec3chain, link);
 				dns_dbiterator_pause(nsec3chain->dbiterator);
-				CHECK(fixup_nsec3param(db, version, nsec3chain,
-						       ISC_FALSE, ¶m_diff));
+				result = fixup_nsec3param(db, version,
+							  nsec3chain, ISC_FALSE,
+							  privatetype,
+							  ¶m_diff);
+				if (result != ISC_R_SUCCESS) {
+					dns_zone_log(zone, ISC_LOG_ERROR,
+						     "zone_nsec3chain:"
+						     "fixup_nsec3param -> %s\n",
+						     dns_result_totext(result));
+					goto failure;
+				}
 				goto next_removechain;
 			} else if (result != ISC_R_SUCCESS) {
 				dns_zone_log(zone, ISC_LOG_ERROR,
@@ -5166,107 +6162,101 @@ zone_nsec3chain(dns_zone_t *zone) {
 	}
 
 	/*
-	 * Add / update signatures for the NSEC3 records.
+	 * We may need to update the NSEC/NSEC3 records for the zone apex.
 	 */
-	for (tuple = ISC_LIST_HEAD(nsec3_diff.tuples);
-	     tuple != NULL;
-	     tuple = ISC_LIST_HEAD(nsec3_diff.tuples)) {
-		/*
-		 * We have changed the NSEC3 RRset above so we need to update
-		 * the signatures.
-		 */
-		result = del_sigs(zone, db, version, &tuple->name,
-				  dns_rdatatype_nsec3, &sig_diff,
-				  zone_keys, nkeys, now);
-		if (result != ISC_R_SUCCESS) {
-			dns_zone_log(zone, ISC_LOG_ERROR,
-				     "zone_nsec3chain:del_sigs -> %s\n",
-				     dns_result_totext(result));
-			goto failure;
-		}
-		result = add_sigs(db, version, &tuple->name,
-				  dns_rdatatype_nsec3, &sig_diff, zone_keys,
-				  nkeys, zone->mctx, inception, expire,
-				  check_ksk);
-		if (result != ISC_R_SUCCESS) {
-			dns_zone_log(zone, ISC_LOG_ERROR,
-				     "zone_nsec3chain:add_sigs -> %s\n",
-				     dns_result_totext(result));
-			goto failure;
+	if (!ISC_LIST_EMPTY(param_diff.tuples)) {
+		isc_boolean_t rebuild_nsec = ISC_FALSE,
+			      rebuild_nsec3 = ISC_FALSE;
+		result = dns_db_getoriginnode(db, &node);
+		RUNTIME_CHECK(result == ISC_R_SUCCESS);
+		result = dns_db_allrdatasets(db, node, version, 0, &iterator);
+		for (result = dns_rdatasetiter_first(iterator);
+		     result == ISC_R_SUCCESS;
+		     result = dns_rdatasetiter_next(iterator)) {
+			dns_rdatasetiter_current(iterator, &rdataset);
+			if (rdataset.type == dns_rdatatype_nsec)
+				rebuild_nsec = ISC_TRUE;
+			if (rdataset.type == dns_rdatatype_nsec3param)
+				rebuild_nsec3 = ISC_TRUE;
+			dns_rdataset_disassociate(&rdataset);
 		}
+		dns_rdatasetiter_destroy(&iterator);
+		dns_db_detachnode(db, &node);
 
-		do {
-			dns_difftuple_t *next = ISC_LIST_NEXT(tuple, link);
-			while (next != NULL &&
-			       !dns_name_equal(&tuple->name, &next->name))
-				next = ISC_LIST_NEXT(next, link);
-			ISC_LIST_UNLINK(nsec3_diff.tuples, tuple, link);
-			dns_diff_appendminimal(&sig_diff, &tuple);
-			INSIST(tuple == NULL);
-			tuple = next;
-		} while (tuple != NULL);
-	}
-
-	for (tuple = ISC_LIST_HEAD(param_diff.tuples);
-	     tuple != NULL;
-	     tuple = ISC_LIST_HEAD(param_diff.tuples)) {
-		/*
-		 * We have changed the NSEC3PARAM RRset above so we need to
-		 * update the signatures.
-		 */
-		result = del_sigs(zone, db, version, &tuple->name,
-				  dns_rdatatype_nsec3param, &sig_diff,
-				  zone_keys, nkeys, now);
-		if (result != ISC_R_SUCCESS) {
-			dns_zone_log(zone, ISC_LOG_ERROR,
-				     "zone_nsec3chain:del_sigs -> %s\n",
-				     dns_result_totext(result));
-			goto failure;
+		if (rebuild_nsec) {
+			if (nsec3chain != NULL)
+				dns_dbiterator_pause(nsec3chain->dbiterator);
+			result = updatesecure(db, version, &zone->origin,
+					      zone->minimum, ISC_TRUE,
+					      &nsec_diff);
+			if (result != ISC_R_SUCCESS) {
+				dns_zone_log(zone, ISC_LOG_ERROR,
+					     "zone_nsec3chain:"
+					     "updatesecure -> %s\n",
+					     dns_result_totext(result));
+				goto failure;
+			}
 		}
-		result = add_sigs(db, version, &tuple->name,
-				  dns_rdatatype_nsec3param, &sig_diff,
-				  zone_keys, nkeys, zone->mctx, inception,
-				  expire, check_ksk);
-		if (result != ISC_R_SUCCESS) {
-			dns_zone_log(zone, ISC_LOG_ERROR,
-				     "zone_nsec3chain:add_sigs -> %s\n",
-				     dns_result_totext(result));
-			goto failure;
+		if (rebuild_nsec3) {
+			result = dns_nsec3_addnsec3s(db, version,
+						     dns_db_origin(db),
+						     zone->minimum, ISC_FALSE,
+						     &nsec3_diff);
+			if (result != ISC_R_SUCCESS) {
+				dns_zone_log(zone, ISC_LOG_ERROR,
+					     "zone_nsec3chain:"
+					     "dns_nsec3_addnsec3s -> %s\n",
+					     dns_result_totext(result));
+				goto failure;
+			}
 		}
-		ISC_LIST_UNLINK(param_diff.tuples, tuple, link);
-		dns_diff_appendminimal(&sig_diff, &tuple);
-		INSIST(tuple == NULL);
 	}
 
-	if (updatensec)
-		CHECK(updatesecure(db, version, &zone->origin, zone->minimum,
-				   NULL, &nsec_diff));
+	/*
+	 * Add / update signatures for the NSEC3 records.
+	 */
+	result = update_sigs(&nsec3_diff, db, version, zone_keys,
+			     nkeys, zone, inception, expire, now,
+			     check_ksk, keyset_kskonly, &sig_diff);
+	if (result != ISC_R_SUCCESS) {
+		dns_zone_log(zone, ISC_LOG_ERROR, "zone_nsec3chain:"
+			     "update_sigs -> %s\n", dns_result_totext(result));
+		goto failure;
+	}
 
-	for (tuple = ISC_LIST_HEAD(nsec_diff.tuples);
-	     tuple != NULL;
-	     tuple = ISC_LIST_HEAD(nsec_diff.tuples)) {
-		result = del_sigs(zone, db, version, &tuple->name,
-				  dns_rdatatype_nsec, &sig_diff,
-				  zone_keys, nkeys, now);
-		if (result != ISC_R_SUCCESS) {
-			dns_zone_log(zone, ISC_LOG_ERROR,
-				     "zone_nsec3chain:del_sigs -> %s\n",
-				     dns_result_totext(result));
-			goto failure;
-		}
-		result = add_sigs(db, version, &tuple->name,
-				  dns_rdatatype_nsec, &sig_diff,
-				  zone_keys, nkeys, zone->mctx, inception,
-				  expire, check_ksk);
+	/*
+	 * We have changed the NSEC3PARAM or private RRsets
+	 * above so we need to update the signatures.
+	 */
+	result = update_sigs(¶m_diff, db, version, zone_keys,
+			     nkeys, zone, inception, expire, now,
+			     check_ksk, keyset_kskonly, &sig_diff);
+	if (result != ISC_R_SUCCESS) {
+		dns_zone_log(zone, ISC_LOG_ERROR, "zone_nsec3chain:"
+			     "update_sigs -> %s\n", dns_result_totext(result));
+		goto failure;
+	}
+
+	if (updatensec) {
+		if (nsec3chain != NULL)
+			dns_dbiterator_pause(nsec3chain->dbiterator);
+		result = updatesecure(db, version, &zone->origin,
+				      zone->minimum, ISC_FALSE, &nsec_diff);
 		if (result != ISC_R_SUCCESS) {
-			dns_zone_log(zone, ISC_LOG_ERROR,
-				     "zone_nsec3chain:add_sigs -> %s\n",
+			dns_zone_log(zone, ISC_LOG_ERROR, "zone_nsec3chain:"
+				     "updatesecure -> %s\n",
 				     dns_result_totext(result));
 			goto failure;
 		}
-		ISC_LIST_UNLINK(nsec_diff.tuples, tuple, link);
-		dns_diff_appendminimal(&sig_diff, &tuple);
-		INSIST(tuple == NULL);
+	}
+
+	result = update_sigs(&nsec_diff, db, version, zone_keys,
+			     nkeys, zone, inception, expire, now,
+			     check_ksk, keyset_kskonly, &sig_diff);
+	if (result != ISC_R_SUCCESS) {
+		dns_zone_log(zone, ISC_LOG_ERROR, "zone_nsec3chain:"
+			     "update_sigs -> %s\n", dns_result_totext(result));
+		goto failure;
 	}
 
 	/*
@@ -5288,41 +6278,22 @@ zone_nsec3chain(dns_zone_t *zone) {
 	if (result != ISC_R_SUCCESS) {
 		dns_zone_log(zone, ISC_LOG_ERROR, "zone_nsec3chain:"
 			     "increment_soa_serial -> %s\n",
-			     dns_result_totext(result));
-		goto failure;
-	}
-
-	result = add_sigs(db, version, &zone->origin, dns_rdatatype_soa,
-			  &sig_diff, zone_keys, nkeys, zone->mctx, inception,
-			  soaexpire, check_ksk);
-	if (result != ISC_R_SUCCESS) {
-		dns_zone_log(zone, ISC_LOG_ERROR, "zone_nsec3chain:"
-			     "add_sigs -> %s\n", dns_result_totext(result));
-		goto failure;
-	}
-
-	journalfile = dns_zone_getjournal(zone);
-	if (journalfile != NULL) {
-		dns_journal_t *journal = NULL;
-		result = dns_journal_open(zone->mctx, journalfile,
-					  ISC_TRUE, &journal);
-		if (result != ISC_R_SUCCESS) {
-			dns_zone_log(zone, ISC_LOG_ERROR, "zone_nsec3chain:"
-				     "dns_journal_open -> %s\n",
-				     dns_result_totext(result));
-			goto failure;
-		}
+			     dns_result_totext(result));
+		goto failure;
+	}
 
-		result = dns_journal_write_transaction(journal, &sig_diff);
-		dns_journal_destroy(&journal);
-		if (result != ISC_R_SUCCESS) {
-			dns_zone_log(zone, ISC_LOG_ERROR, "zone_nsec3chain:"
-				     "dns_journal_write_transaction -> %s\n",
-				     dns_result_totext(result));
-			goto failure;
-		}
+	result = add_sigs(db, version, &zone->origin, dns_rdatatype_soa,
+			  &sig_diff, zone_keys, nkeys, zone->mctx, inception,
+			  soaexpire, check_ksk, keyset_kskonly);
+	if (result != ISC_R_SUCCESS) {
+		dns_zone_log(zone, ISC_LOG_ERROR, "zone_nsec3chain:"
+			     "add_sigs -> %s\n", dns_result_totext(result));
+		goto failure;
 	}
 
+	/* Write changes to journal file. */
+	zone_journal(zone, &sig_diff, "zone_nsec3chain");
+
 	LOCK_ZONE(zone);
 	zone_needdump(zone, DNS_DUMP_DELAY);
 	UNLOCK_ZONE(zone);
@@ -5358,6 +6329,9 @@ zone_nsec3chain(dns_zone_t *zone) {
 	set_resigntime(zone);
 
  failure:
+	if (result != ISC_R_SUCCESS)
+		dns_zone_log(zone, ISC_LOG_ERROR, "zone_nsec3chain: %s\n",
+			     dns_result_totext(result));
 	/*
 	 * On error roll back the current nsec3chain.
 	 */
@@ -5414,6 +6388,8 @@ zone_nsec3chain(dns_zone_t *zone) {
 	for (i = 0; i < nkeys; i++)
 		dst_key_free(&zone_keys[i]);
 
+	if (node != NULL)
+		dns_db_detachnode(db, &node);
 	if (version != NULL) {
 		dns_db_closeversion(db, &version, ISC_FALSE);
 		dns_db_detach(&db);
@@ -5506,11 +6482,11 @@ del_sig(dns_db_t *db, dns_dbversion_t *version, dns_name_t *name,
  */
 static void
 zone_sign(dns_zone_t *zone) {
-	const char *journalfile;
 	dns_db_t *db = NULL;
 	dns_dbnode_t *node = NULL;
 	dns_dbversion_t *version = NULL;
 	dns_diff_t sig_diff;
+	dns_diff_t post_diff;
 	dns_fixedname_t fixed;
 	dns_fixedname_t nextfixed;
 	dns_name_t *name, *nextname;
@@ -5519,19 +6495,19 @@ zone_sign(dns_zone_t *zone) {
 	dns_signinglist_t cleanup;
 	dst_key_t *zone_keys[MAXZONEKEYS];
 	isc_int32_t signatures;
-	isc_boolean_t check_ksk, is_ksk;
+	isc_boolean_t check_ksk, keyset_kskonly, is_ksk;
 	isc_boolean_t commit = ISC_FALSE;
 	isc_boolean_t delegation;
-	isc_boolean_t finishedakey = ISC_FALSE;
-	isc_boolean_t secureupdated = ISC_FALSE;
-	isc_boolean_t build_nsec3 = ISC_FALSE, build_nsec = ISC_FALSE;
+	isc_boolean_t build_nsec = ISC_FALSE;
+	isc_boolean_t build_nsec3 = ISC_FALSE;
 	isc_boolean_t first;
 	isc_result_t result;
 	isc_stdtime_t now, inception, soaexpire, expire, stop;
 	isc_uint32_t jitter;
-	unsigned int i;
+	unsigned int i, j;
 	unsigned int nkeys = 0;
 	isc_uint32_t nodes;
+	isc_boolean_t was_ksk;
 
 	dns_rdataset_init(&rdataset);
 	dns_fixedname_init(&fixed);
@@ -5540,6 +6516,7 @@ zone_sign(dns_zone_t *zone) {
 	nextname = dns_fixedname_name(&nextfixed);
 	dns_diff_init(zone->mctx, &sig_diff);
 	sig_diff.resign = zone->sigresigninginterval;
+	dns_diff_init(zone->mctx, &post_diff);
 	ISC_LIST_INIT(cleanup);
 
 	/*
@@ -5584,10 +6561,6 @@ zone_sign(dns_zone_t *zone) {
 	expire = soaexpire - jitter % 3600;
 	stop = now + 5;
 
-	check_ksk = DNS_ZONE_OPTION(zone, DNS_ZONEOPT_UPDATECHECKKSK);
-	if (check_ksk)
-		check_ksk = ksk_sanity(db, version);
-
 	/*
 	 * We keep pulling nodes off each iterator in turn until
 	 * we have no more nodes to pull off or we reach the limits
@@ -5597,39 +6570,17 @@ zone_sign(dns_zone_t *zone) {
 	signatures = zone->signatures;
 	signing = ISC_LIST_HEAD(zone->signing);
 	first = ISC_TRUE;
-	/*
-	 * See if we have a NSEC chain.
-	 */
-	result = dns_db_getoriginnode(db, &node);
-	RUNTIME_CHECK(result == ISC_R_SUCCESS);
-	result = dns_db_findrdataset(db, node, version, dns_rdatatype_nsec,
-				     dns_rdatatype_none, 0, &rdataset, NULL);
-	dns_db_detachnode(db, &node);
-	if (result == ISC_R_SUCCESS) {
+
+	check_ksk = DNS_ZONE_OPTION(zone, DNS_ZONEOPT_UPDATECHECKKSK);
+	keyset_kskonly = DNS_ZONE_OPTION(zone, DNS_ZONEOPT_DNSKEYKSKONLY);
+
+	/* Determine which type of chain to build */
+	CHECK(dns_private_chains(db, version, zone->privatetype,
+				 &build_nsec, &build_nsec3));
+
+	/* If neither chain is found, default to NSEC */
+	if (!build_nsec && !build_nsec3)
 		build_nsec = ISC_TRUE;
-		dns_rdataset_disassociate(&rdataset);
-	} else if (result != ISC_R_NOTFOUND) {
-		goto failure;
-	} else {
-		/*
-		 * No NSEC chain present.
-		 * See if we need to build a NSEC3 chain?
-		 */
-		result = dns_nsec3_active(db, version, ISC_TRUE, &build_nsec3);
-		if (result == ISC_R_SUCCESS) {
-			if (build_nsec3)
-				build_nsec3 = ISC_FALSE;
-			else  {
-				result = dns_nsec3_active(db, version,
-							  ISC_FALSE,
-							  &build_nsec3);
-				if (build_nsec3)
-					secureupdated = ISC_TRUE;
-				else
-					build_nsec = ISC_TRUE;
-			}
-		}
-	}
 
 	while (signing != NULL && nodes-- > 0 && signatures > 0) {
 		nextsigning = ISC_LIST_NEXT(signing, link);
@@ -5637,7 +6588,7 @@ zone_sign(dns_zone_t *zone) {
 		ZONEDB_LOCK(&zone->dblock, isc_rwlocktype_read);
 		if (signing->done || signing->db != zone->db) {
 			/*
-			 * The zone has been reloaded.  We will have
+			 * The zone has been reloaded.	We will have
 			 * created new signings as part of the reload
 			 * process so we can destroy this one.
 			 */
@@ -5651,9 +6602,31 @@ zone_sign(dns_zone_t *zone) {
 		if (signing->db != db)
 			goto next_signing;
 
-		is_ksk = ISC_FALSE;
 		delegation = ISC_FALSE;
 
+		was_ksk = ISC_FALSE;
+
+		if (first && signing->delete) {
+			/*
+			 * Remove the key we are deleting from consideration.
+			 */
+			for (i = 0, j = 0; i < nkeys; i++) {
+				/*
+				 * Find the key we want to remove.
+				 */
+				if (ALG(zone_keys[i]) == signing->algorithm &&
+				    dst_key_id(zone_keys[i]) == signing->keyid)
+				{
+					if (KSK(zone_keys[i]))
+						dst_key_free(&zone_keys[i]);
+					continue;
+				}
+				zone_keys[j] = zone_keys[i];
+				j++;
+			}
+			nkeys = j;
+		}
+
 		dns_dbiterator_current(signing->dbiterator, &node, name);
 
 		if (signing->delete) {
@@ -5661,8 +6634,8 @@ zone_sign(dns_zone_t *zone) {
 			CHECK(del_sig(db, version, name, node, nkeys,
 				      signing->algorithm, signing->keyid,
 				      &sig_diff));
-			goto next_node;
 		}
+
 		/*
 		 * On the first pass we need to check if the current node
 		 * has not been obscured.
@@ -5694,26 +6667,77 @@ zone_sign(dns_zone_t *zone) {
 		 */
 		dns_dbiterator_pause(signing->dbiterator);
 		for (i = 0; i < nkeys; i++) {
+			isc_boolean_t both = ISC_FALSE;
+
+			/*
+			 * Find the keys we want to sign with.
+			 */
+			if (!dst_key_isprivate(zone_keys[i]))
+				continue;
+
+			/*
+			 * When adding look for the specific key.
+			 */
+			if (!signing->delete &&
+			    (dst_key_alg(zone_keys[i]) != signing->algorithm ||
+			     dst_key_id(zone_keys[i]) != signing->keyid))
+				continue;
+
 			/*
-			 * Find the key we want to sign with.
+			 * When deleting make sure we are properly signed
+			 * with the algorithm that was being removed.
 			 */
-			if (dst_key_alg(zone_keys[i]) != signing->algorithm ||
-			    dst_key_id(zone_keys[i]) != signing->keyid ||
-			    !dst_key_isprivate(zone_keys[i]))
+			if (signing->delete &&
+			    ALG(zone_keys[i]) != signing->algorithm)
 				continue;
+
 			/*
 			 * Do we do KSK processing?
 			 */
-			if (check_ksk &&
-			    (dst_key_flags(zone_keys[i]) & DNS_KEYFLAG_KSK) != 0)
-				is_ksk = ISC_TRUE;
+			if (check_ksk && !REVOKE(zone_keys[i])) {
+				isc_boolean_t have_ksk, have_nonksk;
+				if (KSK(zone_keys[i])) {
+					have_ksk = ISC_TRUE;
+					have_nonksk = ISC_FALSE;
+				} else {
+					have_ksk = ISC_FALSE;
+					have_nonksk = ISC_TRUE;
+				}
+				for (j = 0; j < nkeys; j++) {
+					if (j == i ||
+					    ALG(zone_keys[i]) !=
+					    ALG(zone_keys[j]))
+						continue;
+					if (REVOKE(zone_keys[j]))
+						continue;
+					if (KSK(zone_keys[j]))
+						have_ksk = ISC_TRUE;
+					else
+						have_nonksk = ISC_TRUE;
+					both = have_ksk && have_nonksk;
+					if (both)
+						break;
+				}
+			}
+			if (both || REVOKE(zone_keys[i]))
+				is_ksk = KSK(zone_keys[i]);
+			else
+				is_ksk = ISC_FALSE;
+
 			CHECK(sign_a_node(db, name, node, version, build_nsec3,
 					  build_nsec, zone_keys[i], inception,
 					  expire, zone->minimum, is_ksk,
-					  &delegation, &sig_diff, &signatures,
-					  zone->mctx));
-			break;
+					  ISC_TF(both && keyset_kskonly),
+					  &delegation, &sig_diff,
+					  &signatures, zone->mctx));
+			/*
+			 * If we are adding we are done.  Look for other keys
+			 * of the same algorithm if deleting.
+			 */
+			if (!signing->delete)
+				break;
 		}
+
 		/*
 		 * Go onto next node.
 		 */
@@ -5726,9 +6750,7 @@ zone_sign(dns_zone_t *zone) {
 				ISC_LIST_UNLINK(zone->signing, signing, link);
 				ISC_LIST_APPEND(cleanup, signing, link);
 				dns_dbiterator_pause(signing->dbiterator);
-				finishedakey = ISC_TRUE;
-				if (!is_ksk && !secureupdated && nkeys != 0 &&
-				    build_nsec) {
+				if (nkeys != 0 && build_nsec) {
 					/*
 					 * We have finished regenerating the
 					 * zone with a zone signing key.
@@ -5740,8 +6762,8 @@ zone_sign(dns_zone_t *zone) {
 					result = updatesecure(db, version,
 							      &zone->origin,
 							      zone->minimum,
-							      &secureupdated,
-							      &sig_diff);
+							      ISC_FALSE,
+							      &post_diff);
 					if (result != ISC_R_SUCCESS) {
 						dns_zone_log(zone,
 							     ISC_LOG_ERROR,
@@ -5750,16 +6772,19 @@ zone_sign(dns_zone_t *zone) {
 						goto failure;
 					}
 				}
-				result = updatesignwithkey(signing, version,
-							   &zone->origin,
-							   zone->privatetype,
-							   &sig_diff);
+				result = updatesignwithkey(zone, signing,
+							   version,
+							   build_nsec3,
+							   zone->minimum,
+							   &post_diff);
 				if (result != ISC_R_SUCCESS) {
 					dns_zone_log(zone, ISC_LOG_ERROR,
-						     "updatesignwithkey -> %s\n",
+						     "updatesignwithkey "
+						     "-> %s\n",
 						     dns_result_totext(result));
 					goto failure;
 				}
+				build_nsec = ISC_FALSE;
 				goto next_signing;
 			} else if (result != ISC_R_SUCCESS) {
 				dns_zone_log(zone, ISC_LOG_ERROR,
@@ -5777,205 +6802,979 @@ zone_sign(dns_zone_t *zone) {
 		} while (1);
 		continue;
 
- next_signing:
-		dns_dbiterator_pause(signing->dbiterator);
-		signing = nextsigning;
-		first = ISC_TRUE;
-	}
+ next_signing:
+		dns_dbiterator_pause(signing->dbiterator);
+		signing = nextsigning;
+		first = ISC_TRUE;
+	}
+
+	if (ISC_LIST_HEAD(post_diff.tuples) != NULL) {
+		result = update_sigs(&post_diff, db, version, zone_keys,
+				     nkeys, zone, inception, expire, now,
+				     check_ksk, keyset_kskonly, &sig_diff);
+		if (result != ISC_R_SUCCESS) {
+			dns_zone_log(zone, ISC_LOG_ERROR, "zone_sign:"
+				     "update_sigs -> %s\n",
+				     dns_result_totext(result));
+			goto failure;
+		}
+	}
+
+	/*
+	 * Have we changed anything?
+	 */
+	if (ISC_LIST_HEAD(sig_diff.tuples) == NULL) {
+		result = ISC_R_SUCCESS;
+		goto pauseall;
+	}
+
+	commit = ISC_TRUE;
+
+	result = del_sigs(zone, db, version, &zone->origin, dns_rdatatype_soa,
+			  &sig_diff, zone_keys, nkeys, now);
+	if (result != ISC_R_SUCCESS) {
+		dns_zone_log(zone, ISC_LOG_ERROR,
+			     "zone_sign:del_sigs -> %s\n",
+			     dns_result_totext(result));
+		goto failure;
+	}
+
+	result = increment_soa_serial(db, version, &sig_diff, zone->mctx);
+	if (result != ISC_R_SUCCESS) {
+		dns_zone_log(zone, ISC_LOG_ERROR,
+			     "zone_sign:increment_soa_serial -> %s\n",
+			     dns_result_totext(result));
+		goto failure;
+	}
+
+	/*
+	 * Generate maximum life time signatures so that the above loop
+	 * termination is sensible.
+	 */
+	result = add_sigs(db, version, &zone->origin, dns_rdatatype_soa,
+			  &sig_diff, zone_keys, nkeys, zone->mctx, inception,
+			  soaexpire, check_ksk, keyset_kskonly);
+	if (result != ISC_R_SUCCESS) {
+		dns_zone_log(zone, ISC_LOG_ERROR,
+			     "zone_sign:add_sigs -> %s\n",
+			     dns_result_totext(result));
+		goto failure;
+	}
+
+	/*
+	 * Write changes to journal file.
+	 */
+	result = zone_journal(zone, &sig_diff, "zone_sign");
+	if (result != ISC_R_SUCCESS)
+		goto failure;
+
+ pauseall:
+	/*
+	 * Pause all iterators so that dns_db_closeversion() can succeed.
+	 */
+	for (signing = ISC_LIST_HEAD(zone->signing);
+	     signing != NULL;
+	     signing = ISC_LIST_NEXT(signing, link))
+		dns_dbiterator_pause(signing->dbiterator);
+
+	for (signing = ISC_LIST_HEAD(cleanup);
+	     signing != NULL;
+	     signing = ISC_LIST_NEXT(signing, link))
+		dns_dbiterator_pause(signing->dbiterator);
+
+	/*
+	 * Everything has succeeded. Commit the changes.
+	 */
+	dns_db_closeversion(db, &version, commit);
+
+	/*
+	 * Everything succeeded so we can clean these up now.
+	 */
+	signing = ISC_LIST_HEAD(cleanup);
+	while (signing != NULL) {
+		ISC_LIST_UNLINK(cleanup, signing, link);
+		dns_db_detach(&signing->db);
+		dns_dbiterator_destroy(&signing->dbiterator);
+		isc_mem_put(zone->mctx, signing, sizeof *signing);
+		signing = ISC_LIST_HEAD(cleanup);
+	}
+
+	set_resigntime(zone);
+
+	if (commit) {
+		LOCK_ZONE(zone);
+		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_NEEDNOTIFY);
+		zone_needdump(zone, DNS_DUMP_DELAY);
+		UNLOCK_ZONE(zone);
+	}
+
+ failure:
+	/*
+	 * Rollback the cleanup list.
+	 */
+	signing = ISC_LIST_HEAD(cleanup);
+	while (signing != NULL) {
+		ISC_LIST_UNLINK(cleanup, signing, link);
+		ISC_LIST_PREPEND(zone->signing, signing, link);
+		dns_dbiterator_first(signing->dbiterator);
+		dns_dbiterator_pause(signing->dbiterator);
+		signing = ISC_LIST_HEAD(cleanup);
+	}
+
+	for (signing = ISC_LIST_HEAD(zone->signing);
+	     signing != NULL;
+	     signing = ISC_LIST_NEXT(signing, link))
+		dns_dbiterator_pause(signing->dbiterator);
+
+	dns_diff_clear(&sig_diff);
+
+	for (i = 0; i < nkeys; i++)
+		dst_key_free(&zone_keys[i]);
+
+	if (node != NULL)
+		dns_db_detachnode(db, &node);
+
+	if (version != NULL) {
+		dns_db_closeversion(db, &version, ISC_FALSE);
+		dns_db_detach(&db);
+	} else if (db != NULL)
+		dns_db_detach(&db);
+
+	if (ISC_LIST_HEAD(zone->signing) != NULL) {
+		isc_interval_t i;
+		if (zone->update_disabled || result != ISC_R_SUCCESS)
+			isc_interval_set(&i, 60, 0);		/* 1 minute */
+		else
+			isc_interval_set(&i, 0, 10000000);	/* 10 ms */
+		isc_time_nowplusinterval(&zone->signingtime, &i);
+	} else
+		isc_time_settoepoch(&zone->signingtime);
+}
+
+static void
+normalize_key(dns_rdata_t *rr, dns_rdata_t *target,
+	      unsigned char *data, int size) {
+	dns_rdata_dnskey_t dnskey;
+	dns_rdata_keydata_t keydata;
+	isc_buffer_t buf;
+
+	dns_rdata_reset(target);
+	isc_buffer_init(&buf, data, size);
+
+	switch (rr->type) {
+	    case dns_rdatatype_dnskey:
+		dns_rdata_tostruct(rr, &dnskey, NULL);
+		dnskey.flags &= ~DNS_KEYFLAG_REVOKE;
+		dns_rdata_fromstruct(target, rr->rdclass, dns_rdatatype_dnskey,
+				     &dnskey, &buf);
+		break;
+	    case dns_rdatatype_keydata:
+		dns_rdata_tostruct(rr, &keydata, NULL);
+		dns_keydata_todnskey(&keydata, &dnskey, NULL);
+		dns_rdata_fromstruct(target, rr->rdclass, dns_rdatatype_dnskey,
+				     &dnskey, &buf);
+		break;
+	    default:
+		INSIST(0);
+	}
+}
+
+/*
+ * 'rdset' contains either a DNSKEY rdataset from the zone apex, or
+ * a KEYDATA rdataset from the key zone.
+ *
+ * 'rr' contains either a DNSKEY record, or a KEYDATA record
+ *
+ * After normalizing keys to the same format (DNSKEY, with revoke bit
+ * cleared), return ISC_TRUE if a key that matches 'rr' is found in
+ * 'rdset', or ISC_FALSE if not.
+ */
+
+static isc_boolean_t
+matchkey(dns_rdataset_t *rdset, dns_rdata_t *rr) {
+	unsigned char data1[4096], data2[4096];
+	dns_rdata_t rdata, rdata1, rdata2;
+	isc_result_t result;
+
+	dns_rdata_init(&rdata);
+	dns_rdata_init(&rdata1);
+	dns_rdata_init(&rdata2);
+
+	normalize_key(rr, &rdata1, data1, sizeof(data1));
+
+	for (result = dns_rdataset_first(rdset);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rdataset_next(rdset)) {
+		dns_rdata_reset(&rdata);
+		dns_rdataset_current(rdset, &rdata);
+		normalize_key(&rdata, &rdata2, data2, sizeof(data2));
+		if (dns_rdata_compare(&rdata1, &rdata2) == 0)
+			return (ISC_TRUE);
+	}
+
+	return (ISC_FALSE);
+}
+
+/*
+ * Calculate the refresh interval for a keydata zone, per
+ * RFC5011: MAX(1 hr,
+ *		MIN(15 days,
+ *		    1/2 * OrigTTL,
+ *		    1/2 * RRSigExpirationInterval))
+ * or for retries: MAX(1 hr,
+ *		       MIN(1 day,
+ *			   1/10 * OrigTTL,
+ *			   1/10 * RRSigExpirationInterval))
+ */
+static inline isc_stdtime_t
+refresh_time(dns_keyfetch_t *kfetch, isc_boolean_t retry) {
+	isc_result_t result;
+	isc_uint32_t t;
+	dns_rdataset_t *rdset;
+	dns_rdata_t sigrr = DNS_RDATA_INIT;
+	dns_rdata_sig_t sig;
+	isc_stdtime_t now;
+
+	isc_stdtime_get(&now);
+
+	if (dns_rdataset_isassociated(&kfetch->dnskeysigset))
+		rdset = &kfetch->dnskeysigset;
+	else
+		return (now + HOUR);
+
+	result = dns_rdataset_first(rdset);
+	if (result != ISC_R_SUCCESS)
+		return (now + HOUR);
+
+	dns_rdataset_current(rdset, &sigrr);
+	result = dns_rdata_tostruct(&sigrr, &sig, NULL);
 
-	if (secureupdated) {
-		/*
-		 * We have changed the NSEC RRset above so we need to update
-		 * the signatures.
-		 */
-		result = del_sigs(zone, db, version, &zone->origin,
-				  dns_rdatatype_nsec, &sig_diff, zone_keys,
-				  nkeys, now);
-		if (result != ISC_R_SUCCESS) {
-			dns_zone_log(zone, ISC_LOG_ERROR,
-				     "zone_sign:del_sigs -> %s\n",
-				     dns_result_totext(result));
-			goto failure;
+	if (!retry) {
+		t = sig.originalttl / 2;
+
+		if (isc_serial_gt(sig.timeexpire, now)) {
+			isc_uint32_t exp = (sig.timeexpire - now) / 2;
+			if (t > exp)
+				t = exp;
 		}
-		result = add_sigs(db, version, &zone->origin,
-				  dns_rdatatype_nsec, &sig_diff, zone_keys,
-				  nkeys, zone->mctx, inception, soaexpire,
-				  check_ksk);
-		if (result != ISC_R_SUCCESS) {
-			dns_zone_log(zone, ISC_LOG_ERROR,
-				     "zone_sign:add_sigs -> %s\n",
-				     dns_result_totext(result));
-			goto failure;
+
+		if (t > (15*DAY))
+			t = (15*DAY);
+
+		if (t < HOUR)
+			t = HOUR;
+	} else {
+		t = sig.originalttl / 10;
+
+		if (isc_serial_gt(sig.timeexpire, now)) {
+			isc_uint32_t exp = (sig.timeexpire - now) / 10;
+			if (t > exp)
+				t = exp;
 		}
+
+		if (t > DAY)
+			t = DAY;
+
+		if (t < HOUR)
+			t = HOUR;
 	}
 
-	if (finishedakey) {
-		/*
-		 * We have changed the RRset above so we need to update
-		 * the signatures.
-		 */
-		result = del_sigs(zone, db, version, &zone->origin,
-				  zone->privatetype, &sig_diff,
-				  zone_keys, nkeys, now);
-		if (result != ISC_R_SUCCESS) {
-			dns_zone_log(zone, ISC_LOG_ERROR,
-				     "zone_sign:del_sigs -> %s\n",
-				     dns_result_totext(result));
-			goto failure;
-		}
-		result = add_sigs(db, version, &zone->origin,
-				  zone->privatetype, &sig_diff,
-				  zone_keys, nkeys, zone->mctx, inception,
-				  soaexpire, check_ksk);
-		if (result != ISC_R_SUCCESS) {
-			dns_zone_log(zone, ISC_LOG_ERROR,
-				     "zone_sign:add_sigs -> %s\n",
-				     dns_result_totext(result));
-			goto failure;
-		}
+	return (now + t);
+}
+
+/*
+ * This routine is called when no changes are needed in a KEYDATA
+ * record except to simply update the refresh timer.  Caller should
+ * hold zone lock.
+ */
+static isc_result_t
+minimal_update(dns_keyfetch_t *kfetch, dns_dbversion_t *ver, dns_diff_t *diff)
+{
+	isc_result_t result;
+	isc_buffer_t keyb;
+	unsigned char key_buf[4096];
+	dns_rdata_t rdata = DNS_RDATA_INIT;
+	dns_rdata_keydata_t keydata;
+	dns_name_t *name;
+	dns_zone_t *zone = kfetch->zone;
+	isc_stdtime_t now;
+
+	name = dns_fixedname_name(&kfetch->name);
+	isc_stdtime_get(&now);
+
+	for (result = dns_rdataset_first(&kfetch->keydataset);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rdataset_next(&kfetch->keydataset)) {
+		dns_rdata_reset(&rdata);
+		dns_rdataset_current(&kfetch->keydataset, &rdata);
+
+		/* Delete old version */
+		CHECK(update_one_rr(kfetch->db, ver, diff, DNS_DIFFOP_DEL,
+				    name, 0, &rdata));
+
+		/* Update refresh timer */
+		CHECK(dns_rdata_tostruct(&rdata, &keydata, NULL));
+		keydata.refresh = refresh_time(kfetch, ISC_TRUE);
+		set_refreshkeytimer(zone, &keydata, now);
+
+		dns_rdata_reset(&rdata);
+		isc_buffer_init(&keyb, key_buf, sizeof(key_buf));
+		CHECK(dns_rdata_fromstruct(&rdata,
+					   zone->rdclass, dns_rdatatype_keydata,
+					   &keydata, &keyb));
+
+		/* Insert updated version */
+		CHECK(update_one_rr(kfetch->db, ver, diff, DNS_DIFFOP_ADD,
+				    name, 0, &rdata));
 	}
+	result = ISC_R_SUCCESS;
+  failure:
+	return (result);
+}
 
-	/*
-	 * Have we changed anything?
-	 */
-	if (ISC_LIST_HEAD(sig_diff.tuples) == NULL)
-		goto pauseall;
+/*
+ * Verify that DNSKEY set is signed by the key specified in 'keydata'.
+ */
+static isc_boolean_t
+revocable(dns_keyfetch_t *kfetch, dns_rdata_keydata_t *keydata) {
+	isc_result_t result;
+	dns_name_t *keyname;
+	isc_mem_t *mctx;
+	dns_rdata_t sigrr = DNS_RDATA_INIT;
+	dns_rdata_t rr = DNS_RDATA_INIT;
+	dns_rdata_rrsig_t sig;
+	dns_rdata_dnskey_t dnskey;
+	dst_key_t *dstkey = NULL;
+	unsigned char key_buf[4096];
+	isc_buffer_t keyb;
+	isc_boolean_t answer = ISC_FALSE;
+
+	REQUIRE(kfetch != NULL && keydata != NULL);
+	REQUIRE(dns_rdataset_isassociated(&kfetch->dnskeysigset));
+
+	keyname = dns_fixedname_name(&kfetch->name);
+	mctx = kfetch->zone->view->mctx;
+
+	/* Generate a key from keydata */
+	isc_buffer_init(&keyb, key_buf, sizeof(key_buf));
+	dns_keydata_todnskey(keydata, &dnskey, NULL);
+	dns_rdata_fromstruct(&rr, keydata->common.rdclass, dns_rdatatype_dnskey,
+				     &dnskey, &keyb);
+	result = dns_dnssec_keyfromrdata(keyname, &rr, mctx, &dstkey);
+	if (result != ISC_R_SUCCESS)
+		return (ISC_FALSE);
 
-	commit = ISC_TRUE;
+	/* See if that key generated any of the signatures */
+	for (result = dns_rdataset_first(&kfetch->dnskeysigset);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rdataset_next(&kfetch->dnskeysigset)) {
+		dns_fixedname_t fixed;
+		dns_fixedname_init(&fixed);
 
-	result = del_sigs(zone, db, version, &zone->origin, dns_rdatatype_soa,
-			  &sig_diff, zone_keys, nkeys, now);
-	if (result != ISC_R_SUCCESS) {
-		dns_zone_log(zone, ISC_LOG_ERROR,
-			     "zone_sign:del_sigs -> %s\n",
-			     dns_result_totext(result));
-		goto failure;
+		dns_rdata_reset(&sigrr);
+		dns_rdataset_current(&kfetch->dnskeysigset, &sigrr);
+		result = dns_rdata_tostruct(&sigrr, &sig, NULL);
+		RUNTIME_CHECK(result == ISC_R_SUCCESS);
+
+		if (dst_key_alg(dstkey) == sig.algorithm &&
+		    (dst_key_id(dstkey) == sig.keyid ||
+		     (sig.algorithm != 1 && sig.keyid ==
+		       ((dst_key_id(dstkey) + 128) & 0xffff)))) {
+			result = dns_dnssec_verify2(keyname,
+					    &kfetch->dnskeyset,
+					    dstkey, ISC_FALSE, mctx, &sigrr,
+					    dns_fixedname_name(&fixed));
+
+			dns_zone_log(kfetch->zone, ISC_LOG_DEBUG(3),
+				     "Confirm revoked DNSKEY is self-signed: "
+				     "%s", dns_result_totext(result));
+
+			if (result == ISC_R_SUCCESS) {
+				answer = ISC_TRUE;
+				break;
+			}
+		}
 	}
 
-	result = increment_soa_serial(db, version, &sig_diff, zone->mctx);
-	if (result != ISC_R_SUCCESS) {
-		dns_zone_log(zone, ISC_LOG_ERROR,
-			     "zone_sign:increment_soa_serial -> %s\n",
-			     dns_result_totext(result));
+	dst_key_free(&dstkey);
+	return (answer);
+}
+
+/*
+ * A DNSKEY set has been fetched from the zone apex of a zone whose trust
+ * anchors are being managed; scan the keyset, and update the key zone and the
+ * local trust anchors according to RFC5011.
+ */
+static void
+keyfetch_done(isc_task_t *task, isc_event_t *event) {
+	isc_result_t result, eresult;
+	dns_fetchevent_t *devent;
+	dns_keyfetch_t *kfetch;
+	dns_zone_t *zone;
+	isc_mem_t *mctx = NULL;
+	dns_keytable_t *secroots = NULL;
+	dns_dbversion_t *ver = NULL;
+	dns_diff_t diff;
+	isc_boolean_t changed = ISC_FALSE;
+	isc_boolean_t alldone = ISC_FALSE;
+	dns_name_t *keyname;
+	dns_rdata_t sigrr = DNS_RDATA_INIT;
+	dns_rdata_t dnskeyrr = DNS_RDATA_INIT;
+	dns_rdata_t keydatarr = DNS_RDATA_INIT;
+	dns_rdata_rrsig_t sig;
+	dns_rdata_dnskey_t dnskey;
+	dns_rdata_keydata_t keydata;
+	isc_boolean_t initializing;
+	char namebuf[DNS_NAME_FORMATSIZE];
+	unsigned char key_buf[4096];
+	isc_buffer_t keyb;
+	dst_key_t *dstkey;
+	isc_stdtime_t now;
+	int pending = 0;
+	isc_boolean_t secure;
+
+	UNUSED(task);
+	INSIST(event != NULL && event->ev_type == DNS_EVENT_FETCHDONE);
+	INSIST(event->ev_arg != NULL);
+
+	kfetch = event->ev_arg;
+	zone = kfetch->zone;
+	isc_mem_attach(zone->mctx, &mctx);
+	keyname = dns_fixedname_name(&kfetch->name);
+
+	devent = (dns_fetchevent_t *) event;
+	eresult = devent->result;
+
+	/* Free resources which are not of interest */
+	if (devent->node != NULL)
+		dns_db_detachnode(devent->db, &devent->node);
+	if (devent->db != NULL)
+		dns_db_detach(&devent->db);
+	isc_event_free(&event);
+	dns_resolver_destroyfetch(&kfetch->fetch);
+
+	isc_stdtime_get(&now);
+	dns_name_format(keyname, namebuf, sizeof(namebuf));
+
+	result = dns_view_getsecroots(zone->view, &secroots);
+	INSIST(result == ISC_R_SUCCESS);
+
+	LOCK_ZONE(zone);
+	dns_db_newversion(kfetch->db, &ver);
+	dns_diff_init(mctx, &diff);
+
+	zone->refreshkeycount--;
+	alldone = ISC_TF(zone->refreshkeycount == 0);
+
+	if (alldone)
+		DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_REFRESHING);
+
+	/* Fetch failed */
+	if (eresult != ISC_R_SUCCESS ||
+	    !dns_rdataset_isassociated(&kfetch->dnskeyset)) {
+		dns_zone_log(zone, ISC_LOG_WARNING,
+			     "Unable to fetch DNSKEY set "
+			     "'%s': %s", namebuf, dns_result_totext(eresult));
+		CHECK(minimal_update(kfetch, ver, &diff));
+		changed = ISC_TRUE;
 		goto failure;
 	}
 
-	/*
-	 * Generate maximum life time signatures so that the above loop
-	 * termination is sensible.
-	 */
-	result = add_sigs(db, version, &zone->origin, dns_rdatatype_soa,
-			  &sig_diff, zone_keys, nkeys, zone->mctx, inception,
-			  soaexpire, check_ksk);
-	if (result != ISC_R_SUCCESS) {
-		dns_zone_log(zone, ISC_LOG_ERROR,
-			     "zone_sign:add_sigs -> %s\n",
-			     dns_result_totext(result));
+	/* No RRSIGs found */
+	if (!dns_rdataset_isassociated(&kfetch->dnskeysigset)) {
+		dns_zone_log(zone, ISC_LOG_WARNING,
+			     "No DNSKEY RRSIGs found for "
+			     "'%s': %s", namebuf, dns_result_totext(eresult));
+		CHECK(minimal_update(kfetch, ver, &diff));
+		changed = ISC_TRUE;
 		goto failure;
 	}
 
 	/*
-	 * Write changes to journal file.
+	 * Validate the dnskeyset against the current trusted keys.
 	 */
-	journalfile = dns_zone_getjournal(zone);
-	if (journalfile != NULL) {
-		dns_journal_t *journal = NULL;
-		result = dns_journal_open(zone->mctx, journalfile,
-					  ISC_TRUE, &journal);
-		if (result != ISC_R_SUCCESS) {
-			dns_zone_log(zone, ISC_LOG_ERROR,
-				     "zone_sign:dns_journal_open -> %s\n",
-				     dns_result_totext(result));
-			goto failure;
-		}
+	for (result = dns_rdataset_first(&kfetch->dnskeysigset);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rdataset_next(&kfetch->dnskeysigset)) {
+		dns_keynode_t *keynode = NULL;
 
-		result = dns_journal_write_transaction(journal, &sig_diff);
-		dns_journal_destroy(&journal);
-		if (result != ISC_R_SUCCESS) {
-			dns_zone_log(zone, ISC_LOG_ERROR,
-			 "zone_sign:dns_journal_write_transaction -> %s\n",
-				     dns_result_totext(result));
-			goto failure;
+		dns_rdata_reset(&sigrr);
+		dns_rdataset_current(&kfetch->dnskeysigset, &sigrr);
+		result = dns_rdata_tostruct(&sigrr, &sig, NULL);
+		RUNTIME_CHECK(result == ISC_R_SUCCESS);
+
+		result = dns_keytable_find(secroots, keyname, &keynode);
+		while (result == ISC_R_SUCCESS) {
+			dns_keynode_t *nextnode = NULL;
+			dns_fixedname_t fixed;
+			dns_fixedname_init(&fixed);
+
+			dstkey = dns_keynode_key(keynode);
+			if (dstkey == NULL) /* fail_secure() was called */
+				break;
+
+			if (dst_key_alg(dstkey) == sig.algorithm &&
+			    dst_key_id(dstkey) == sig.keyid) {
+				result = dns_dnssec_verify2(keyname,
+						    &kfetch->dnskeyset,
+						    dstkey, ISC_FALSE,
+						    zone->view->mctx, &sigrr,
+						    dns_fixedname_name(&fixed));
+
+				dns_zone_log(zone, ISC_LOG_DEBUG(3),
+					     "Verifying DNSKEY set for zone "
+					     "'%s': %s", namebuf,
+					     dns_result_totext(result));
+
+				if (result == ISC_R_SUCCESS) {
+					kfetch->dnskeyset.trust =
+						dns_trust_secure;
+					kfetch->dnskeysigset.trust =
+						dns_trust_secure;
+					dns_keytable_detachkeynode(secroots,
+								   &keynode);
+					break;
+				}
+			}
+
+			result = dns_keytable_nextkeynode(secroots,
+							  keynode, &nextnode);
+			dns_keytable_detachkeynode(secroots, &keynode);
+			keynode = nextnode;
 		}
+
+		if (kfetch->dnskeyset.trust == dns_trust_secure)
+			break;
 	}
 
- pauseall:
 	/*
-	 * Pause all iterators so that dns_db_closeversion() can succeed.
+	 * If we were not able to verify the answer using the current
+	 * trusted keys then all we can do is look at any revoked keys.
 	 */
-	for (signing = ISC_LIST_HEAD(zone->signing);
-	     signing != NULL;
-	     signing = ISC_LIST_NEXT(signing, link))
-		dns_dbiterator_pause(signing->dbiterator);
-
-	for (signing = ISC_LIST_HEAD(cleanup);
-	     signing != NULL;
-	     signing = ISC_LIST_NEXT(signing, link))
-		dns_dbiterator_pause(signing->dbiterator);
+	secure = ISC_TF(kfetch->dnskeyset.trust == dns_trust_secure);
 
 	/*
-	 * Everything has succeeded. Commit the changes.
+	 * First scan keydataset to find keys that are not in dnskeyset
+	 *   - Missing keys which are not scheduled for removal,
+	 *     log a warning
+	 *   - Missing keys which are scheduled for removal and
+	 *     the remove hold-down timer has completed should
+	 *     be removed from the key zone
+	 *   - Missing keys whose acceptance timers have not yet
+	 *     completed, log a warning and reset the acceptance
+	 *     timer to 30 days in the future
+	 *   - All keys not being removed have their refresh timers
+	 *     updated
 	 */
-	dns_db_closeversion(db, &version, commit);
+	initializing = ISC_TRUE;
+	for (result = dns_rdataset_first(&kfetch->keydataset);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rdataset_next(&kfetch->keydataset)) {
+		dns_rdata_reset(&keydatarr);
+		dns_rdataset_current(&kfetch->keydataset, &keydatarr);
+		dns_rdata_tostruct(&keydatarr, &keydata, NULL);
+
+		/*
+		 * If any keydata record has a nonzero add holddown, then
+		 * there was a pre-existing trust anchor for this domain;
+		 * that means we are *not* initializing it and shouldn't
+		 * automatically trust all the keys we find at the zone apex.
+		 */
+		initializing = initializing && ISC_TF(keydata.addhd == 0);
+
+		if (! matchkey(&kfetch->dnskeyset, &keydatarr)) {
+			isc_boolean_t deletekey = ISC_FALSE;
+
+			if (!secure) {
+				if (now > keydata.removehd)
+					deletekey = ISC_TRUE;
+			} else if (now < keydata.addhd) {
+				dns_zone_log(zone, ISC_LOG_WARNING,
+					     "Pending key unexpectedly missing "
+					     "from %s; restarting acceptance "
+					     "timer", namebuf);
+				keydata.addhd = now + MONTH;
+				keydata.refresh = refresh_time(kfetch,
+							       ISC_FALSE);
+			} else if (keydata.addhd == 0) {
+				keydata.addhd = now;
+			} else if (keydata.removehd == 0) {
+				dns_zone_log(zone, ISC_LOG_WARNING,
+					     "Active key unexpectedly missing "
+					     "from %s", namebuf);
+				keydata.refresh = now + HOUR;
+			} else if (now > keydata.removehd) {
+				deletekey = ISC_TRUE;
+			} else {
+				keydata.refresh = refresh_time(kfetch,
+							       ISC_FALSE);
+			}
+
+			if  (secure || deletekey) {
+				/* Delete old version */
+				CHECK(update_one_rr(kfetch->db, ver, &diff,
+						    DNS_DIFFOP_DEL, keyname, 0,
+						    &keydatarr));
+				changed = ISC_TRUE;
+			}
+
+			if (!secure || deletekey)
+				continue;
+
+			dns_rdata_reset(&keydatarr);
+			isc_buffer_init(&keyb, key_buf, sizeof(key_buf));
+			dns_rdata_fromstruct(&keydatarr, zone->rdclass,
+					     dns_rdatatype_keydata,
+					     &keydata, &keyb);
+
+			/* Insert updated version */
+			CHECK(update_one_rr(kfetch->db, ver, &diff,
+					    DNS_DIFFOP_ADD, keyname, 0,
+					    &keydatarr));
+			changed = ISC_TRUE;
+
+			set_refreshkeytimer(zone, &keydata, now);
+		}
+	}
 
 	/*
-	 * Everything succeeded so we can clean these up now.
+	 * Next scan dnskeyset:
+	 *   - If new keys are found (i.e., lacking a match in keydataset)
+	 *     add them to the key zone and set the acceptance timer
+	 *     to 30 days in the future (or to immediately if we've
+	 *     determined that we're initializing the zone for the
+	 *     first time)
+	 *   - Previously-known keys that have been revoked
+	 *     must be scheduled for removal from the key zone (or,
+	 *     if they hadn't been accepted as trust anchors yet
+	 *     anyway, removed at once)
+	 *   - Previously-known unrevoked keys whose acceptance timers
+	 *     have completed are promoted to trust anchors
+	 *   - All keys not being removed have their refresh
+	 *     timers updated
 	 */
-	signing = ISC_LIST_HEAD(cleanup);
-	while (signing != NULL) {
-		ISC_LIST_UNLINK(cleanup, signing, link);
-		dns_db_detach(&signing->db);
-		dns_dbiterator_destroy(&signing->dbiterator);
-		isc_mem_put(zone->mctx, signing, sizeof *signing);
-		signing = ISC_LIST_HEAD(cleanup);
+	for (result = dns_rdataset_first(&kfetch->dnskeyset);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rdataset_next(&kfetch->dnskeyset)) {
+		isc_boolean_t revoked = ISC_FALSE;
+		isc_boolean_t newkey = ISC_FALSE;
+		isc_boolean_t updatekey = ISC_FALSE;
+		isc_boolean_t deletekey = ISC_FALSE;
+		isc_boolean_t trustkey = ISC_FALSE;
+
+		dns_rdata_reset(&dnskeyrr);
+		dns_rdataset_current(&kfetch->dnskeyset, &dnskeyrr);
+		dns_rdata_tostruct(&dnskeyrr, &dnskey, NULL);
+
+		/* Skip ZSK's */
+		if (!ISC_TF(dnskey.flags & DNS_KEYFLAG_KSK))
+			continue;
+
+		revoked = ISC_TF(dnskey.flags & DNS_KEYFLAG_REVOKE);
+
+		if (matchkey(&kfetch->keydataset, &dnskeyrr)) {
+			dns_rdata_reset(&keydatarr);
+			dns_rdataset_current(&kfetch->keydataset, &keydatarr);
+			dns_rdata_tostruct(&keydatarr, &keydata, NULL);
+
+			if (revoked && revocable(kfetch, &keydata)) {
+				if (keydata.addhd > now) {
+					/*
+					 * Key wasn't trusted yet, and now
+					 * it's been revoked?  Just remove it
+					 */
+					deletekey = ISC_TRUE;
+				} else if (keydata.removehd == 0) {
+					/* Remove from secroots */
+					untrust_key(zone->view->viewlist,
+						    keyname, mctx, &dnskey);
+
+					/* If initializing, delete now */
+					if (keydata.addhd == 0)
+						deletekey = ISC_TRUE;
+					else
+						keydata.removehd = now + MONTH;
+				} else if (keydata.removehd < now) {
+					/* Scheduled for removal */
+					deletekey = ISC_TRUE;
+				}
+			} else if (revoked) {
+				if (secure && keydata.removehd == 0) {
+					dns_zone_log(zone, ISC_LOG_WARNING,
+						     "Active key for zone "
+						     "'%s' is revoked but "
+						     "did not self-sign; "
+							 "ignoring.", namebuf);
+						continue;
+				}
+			} else if (secure) {
+				if (keydata.removehd != 0) {
+					/*
+					 * Key isn't revoked--but it
+					 * seems it used to be.
+					 * Remove it now and add it
+					 * back as if it were a fresh key.
+					 */
+					deletekey = ISC_TRUE;
+					newkey = ISC_TRUE;
+				} else if (keydata.addhd > now)
+					pending++;
+				else if (keydata.addhd == 0)
+					keydata.addhd = now;
+
+				if (keydata.addhd <= now)
+					trustkey = ISC_TRUE;
+			}
+
+			if (!deletekey && !newkey)
+				updatekey = ISC_TRUE;
+		} else if (secure) {
+			/*
+			 * Key wasn't in the key zone but it's
+			 * revoked now anyway, so just skip it
+			 */
+			if (revoked)
+				continue;
+
+			/* Key wasn't in the key zone: add it */
+			newkey = ISC_TRUE;
+
+			if (initializing) {
+				dns_keytag_t tag = 0;
+				CHECK(compute_tag(keyname, &dnskey,
+						  mctx, &tag));
+				dns_zone_log(zone, ISC_LOG_WARNING,
+					     "Initializing automatic trust "
+					     "anchor management for zone '%s'; "
+					     "DNSKEY ID %d is now trusted, "
+					     "waiving the normal 30-day "
+					     "waiting period.",
+					     namebuf, tag);
+				trustkey = ISC_TRUE;
+			}
+		}
+
+		/* Delete old version */
+		if (deletekey || !newkey) {
+			CHECK(update_one_rr(kfetch->db, ver, &diff,
+					    DNS_DIFFOP_DEL, keyname, 0,
+					    &keydatarr));
+			changed = ISC_TRUE;
+		}
+
+		if (updatekey) {
+			/* Set refresh timer */
+			keydata.refresh = refresh_time(kfetch, ISC_FALSE);
+			dns_rdata_reset(&keydatarr);
+			isc_buffer_init(&keyb, key_buf, sizeof(key_buf));
+			dns_rdata_fromstruct(&keydatarr, zone->rdclass,
+					     dns_rdatatype_keydata,
+					     &keydata, &keyb);
+
+			/* Insert updated version */
+			CHECK(update_one_rr(kfetch->db, ver, &diff,
+					    DNS_DIFFOP_ADD, keyname, 0,
+					    &keydatarr));
+			changed = ISC_TRUE;
+		} else if (newkey) {
+			/* Convert DNSKEY to KEYDATA */
+			dns_rdata_tostruct(&dnskeyrr, &dnskey, NULL);
+			dns_keydata_fromdnskey(&keydata, &dnskey, 0, 0, 0,
+					       NULL);
+			keydata.addhd = initializing ? now : now + MONTH;
+			keydata.refresh = refresh_time(kfetch, ISC_FALSE);
+			dns_rdata_reset(&keydatarr);
+			isc_buffer_init(&keyb, key_buf, sizeof(key_buf));
+			dns_rdata_fromstruct(&keydatarr, zone->rdclass,
+					     dns_rdatatype_keydata,
+					     &keydata, &keyb);
+
+			/* Insert into key zone */
+			CHECK(update_one_rr(kfetch->db, ver, &diff,
+					    DNS_DIFFOP_ADD, keyname, 0,
+					    &keydatarr));
+			changed = ISC_TRUE;
+		}
+
+		if (trustkey) {
+			/* Trust this key in all views */
+			dns_rdata_tostruct(&dnskeyrr, &dnskey, NULL);
+			trust_key(zone->view->viewlist, keyname, &dnskey,
+				  mctx);
+		}
+
+		if (!deletekey)
+			set_refreshkeytimer(zone, &keydata, now);
+	}
+
+	/*
+	 * RFC5011 says, "A trust point that has all of its trust anchors
+	 * revoked is considered deleted and is treated as if the trust
+	 * point was never configured."  But if someone revoked their
+	 * active key before the standby was trusted, that would mean the
+	 * zone would suddenly be nonsecured.  We avoid this by checking to
+	 * see if there's pending keydata.  If so, we put a null key in
+	 * the security roots; then all queries to the zone will fail.
+	 */
+	if (pending != 0)
+		fail_secure(zone->view->viewlist, keyname);
+
+  failure:
+	if (changed) {
+		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_LOADED);
+		zone_needdump(zone, 30);
 	}
 
-	set_resigntime(zone);
+	UNLOCK_ZONE(zone);
+
+	/* Write changes to journal file. */
+	if (alldone) {
+		result = increment_soa_serial(kfetch->db, ver, &diff, mctx);
+		if (result == ISC_R_SUCCESS)
+			result = zone_journal(zone, &diff, "keyfetch_done");
+	}
+
+	dns_diff_clear(&diff);
+	dns_db_closeversion(kfetch->db, &ver, changed);
+	dns_db_detach(&kfetch->db);
+	dns_zone_detach(&kfetch->zone);
+
+	if (dns_rdataset_isassociated(&kfetch->keydataset))
+		dns_rdataset_disassociate(&kfetch->keydataset);
+	if (dns_rdataset_isassociated(&kfetch->dnskeyset))
+		dns_rdataset_disassociate(&kfetch->dnskeyset);
+	if (dns_rdataset_isassociated(&kfetch->dnskeysigset))
+		dns_rdataset_disassociate(&kfetch->dnskeysigset);
+
+	dns_name_free(keyname, mctx);
+	isc_mem_put(mctx, kfetch, sizeof(dns_keyfetch_t));
+	isc_mem_detach(&mctx);
+
+	if (secroots != NULL)
+		dns_keytable_detach(&secroots);
+}
+
+/*
+ * Refresh the data in the key zone.  Initiate a fetch to get new DNSKEY
+ * records from the zone apex.
+ */
+static void
+zone_refreshkeys(dns_zone_t *zone) {
+	const char me[] = "zone_refreshkeys";
+	isc_result_t result;
+	dns_rriterator_t rrit;
+	dns_db_t *db = NULL;
+	dns_dbversion_t *ver = NULL;
+	dns_diff_t diff;
+	dns_rdata_t rdata = DNS_RDATA_INIT;
+	dns_rdata_keydata_t kd;
+	isc_stdtime_t now;
+	isc_boolean_t commit = ISC_FALSE;
+
+	ENTER;
+	REQUIRE(zone->db != NULL);
+
+	isc_stdtime_get(&now);
+
+	ZONEDB_LOCK(&zone->dblock, isc_rwlocktype_read);
+	dns_db_attach(zone->db, &db);
+	ZONEDB_UNLOCK(&zone->dblock, isc_rwlocktype_read);
+
+	LOCK_ZONE(zone);
+	dns_db_newversion(db, &ver);
+	dns_diff_init(zone->mctx, &diff);
+
+	DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_REFRESHING);
+
+	dns_rriterator_init(&rrit, db, ver, 0);
+	for (result = dns_rriterator_first(&rrit);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rriterator_nextrrset(&rrit)) {
+		isc_stdtime_t timer = 0xffffffff;
+		dns_keyfetch_t *kfetch;
+		dns_rdataset_t *kdset;
+		dns_name_t *name = NULL;
+		isc_uint32_t ttl;
+
+		dns_rriterator_current(&rrit, &name, &ttl, &kdset, NULL);
+		if (!dns_rdataset_isassociated(kdset))
+			continue;
+
+		if (kdset->type != dns_rdatatype_keydata)
+			continue;
 
-	if (commit) {
-		LOCK_ZONE(zone);
-		zone_needdump(zone, DNS_DUMP_DELAY);
-		UNLOCK_ZONE(zone);
-	}
+		/*
+		 * Scan the stored keys looking for ones that need
+		 * removal or refreshing
+		 */
+		for (result = dns_rdataset_first(kdset);
+		     result == ISC_R_SUCCESS;
+		     result = dns_rdataset_next(kdset)) {
+			dns_rdata_reset(&rdata);
+			dns_rdataset_current(kdset, &rdata);
+			result = dns_rdata_tostruct(&rdata, &kd, NULL);
+			RUNTIME_CHECK(result == ISC_R_SUCCESS);
 
- failure:
-	/*
-	 * Rollback the cleanup list.
-	 */
-	signing = ISC_LIST_HEAD(cleanup);
-	while (signing != NULL) {
-		ISC_LIST_UNLINK(cleanup, signing, link);
-		ISC_LIST_APPEND(zone->signing, signing, link);
-		dns_dbiterator_first(signing->dbiterator);
-		dns_dbiterator_pause(signing->dbiterator);
-		signing = ISC_LIST_HEAD(cleanup);
-	}
+			/* Removal timer expired? */
+			if (kd.removehd != 0 && kd.removehd < now) {
+				CHECK(update_one_rr(db, ver, &diff,
+						    DNS_DIFFOP_DEL, name, ttl,
+						    &rdata));
+				continue;
+			}
 
-	for (signing = ISC_LIST_HEAD(zone->signing);
-	     signing != NULL;
-	     signing = ISC_LIST_NEXT(signing, link))
-		dns_dbiterator_pause(signing->dbiterator);
+			/* Acceptance timer expired? */
+			if (kd.addhd != 0 && kd.addhd < now)
+				timer = kd.addhd;
 
-	dns_diff_clear(&sig_diff);
+			/* Or do we just need to refresh the keyset? */
+			if (timer > kd.refresh)
+				timer = kd.refresh;
+		}
 
-	for (i = 0; i < nkeys; i++)
-		dst_key_free(&zone_keys[i]);
+		if (timer > now)
+			continue;
 
-	if (version != NULL) {
-		dns_db_closeversion(db, &version, ISC_FALSE);
-		dns_db_detach(&db);
-	} else if (db != NULL)
-		dns_db_detach(&db);
+		zone->refreshkeycount++;
+
+		kfetch = isc_mem_get(zone->mctx, sizeof(dns_keyfetch_t));
+		kfetch->zone = NULL;
+		dns_zone_attach(zone, &kfetch->zone);
+		dns_fixedname_init(&kfetch->name);
+		dns_name_dup(name, zone->mctx,
+			     dns_fixedname_name(&kfetch->name));
+		dns_rdataset_init(&kfetch->dnskeyset);
+		dns_rdataset_init(&kfetch->dnskeysigset);
+		dns_rdataset_init(&kfetch->keydataset);
+		dns_rdataset_clone(kdset, &kfetch->keydataset);
+		kfetch->db = NULL;
+		dns_db_attach(db, &kfetch->db);
+		kfetch->fetch = NULL;
+
+		dns_resolver_createfetch(zone->view->resolver,
+					 dns_fixedname_name(&kfetch->name),
+					 dns_rdatatype_dnskey,
+					 NULL, NULL, NULL,
+					 DNS_FETCHOPT_NOVALIDATE,
+					 zone->task, keyfetch_done, kfetch,
+					 &kfetch->dnskeyset,
+					 &kfetch->dnskeysigset,
+					 &kfetch->fetch);
+	}
+	if (!ISC_LIST_EMPTY(diff.tuples)) {
+		CHECK(increment_soa_serial(db, ver, &diff, zone->mctx));
+		commit = ISC_TRUE;
+		zone_journal(zone, &diff, "sync_keyzone");
+		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_LOADED);
+		zone_needdump(zone, 30);
+	}
+  failure:
+	UNLOCK_ZONE(zone);
 
-	if (ISC_LIST_HEAD(zone->signing) != NULL) {
-		isc_interval_t i;
-		if (zone->update_disabled || result != ISC_R_SUCCESS)
-			isc_interval_set(&i, 60, 0);		/* 1 minute */
-		else
-			isc_interval_set(&i, 0, 10000000);	/* 10 ms */
-		isc_time_nowplusinterval(&zone->signingtime, &i);
-	} else
-		isc_time_settoepoch(&zone->signingtime);
+	dns_rriterator_destroy(&rrit);
+	dns_diff_clear(&diff);
+	dns_db_closeversion(db, &ver, commit);
+	dns_db_detach(&db);
 }
 
 static void
@@ -5991,7 +7790,7 @@ zone_maintenance(dns_zone_t *zone) {
 	/*
 	 * Configuring the view of this zone may have
 	 * failed, for example because the config file
-	 * had a syntax error.  In that case, the view
+	 * had a syntax error.	In that case, the view
 	 * adb or resolver, and we had better not try
 	 * to do maintenance on it.
 	 */
@@ -6038,6 +7837,7 @@ zone_maintenance(dns_zone_t *zone) {
 	switch (zone->type) {
 	case dns_zone_master:
 	case dns_zone_slave:
+	case dns_zone_key:
 		LOCK_ZONE(zone);
 		if (zone->masterfile != NULL &&
 		    isc_time_compare(&now, &zone->dumptime) >= 0 &&
@@ -6059,6 +7859,24 @@ zone_maintenance(dns_zone_t *zone) {
 		break;
 	}
 
+	/*
+	 * Do we need to refresh keys?
+	 */
+	switch (zone->type) {
+	case dns_zone_key:
+		if (isc_time_compare(&now, &zone->refreshkeytime) >= 0 &&
+		    DNS_ZONE_FLAG(zone, DNS_ZONEFLG_LOADED) &&
+		    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_REFRESHING))
+			zone_refreshkeys(zone);
+		break;
+	case dns_zone_master:
+		if (!isc_time_isepoch(&zone->refreshkeytime) &&
+		    isc_time_compare(&now, &zone->refreshkeytime) >= 0)
+			zone_rekey(zone);
+	default:
+		break;
+	}
+
 	switch (zone->type) {
 	case dns_zone_master:
 	case dns_zone_slave:
@@ -6098,7 +7916,8 @@ void
 dns_zone_markdirty(dns_zone_t *zone) {
 
 	LOCK_ZONE(zone);
-	set_resigntime(zone);	/* XXXMPA make separate call back */
+	if (zone->type == dns_zone_master)
+		set_resigntime(zone);	/* XXXMPA make separate call back */
 	zone_needdump(zone, DNS_DUMP_DELAY);
 	UNLOCK_ZONE(zone);
 }
@@ -7087,154 +8906,411 @@ zone_notify(dns_zone_t *zone, isc_time_t *now) {
 		result = dns_name_dup(&ns.name, zone->mctx, ¬ify->ns);
 		if (result != ISC_R_SUCCESS) {
 			LOCK_ZONE(zone);
-			notify_destroy(notify, ISC_TRUE);
+			notify_destroy(notify, ISC_TRUE);
+			UNLOCK_ZONE(zone);
+			continue;
+		}
+		LOCK_ZONE(zone);
+		ISC_LIST_APPEND(zone->notifies, notify, link);
+		UNLOCK_ZONE(zone);
+		notify_find_address(notify);
+		notify = NULL;
+		result = dns_rdataset_next(&nsrdset);
+	}
+	dns_rdataset_disassociate(&nsrdset);
+
+ cleanup3:
+	if (dns_name_dynamic(&master))
+		dns_name_free(&master, zone->mctx);
+ cleanup2:
+	dns_db_detachnode(zonedb, &node);
+ cleanup1:
+	dns_db_closeversion(zonedb, &version, ISC_FALSE);
+	dns_db_detach(&zonedb);
+}
+
+/***
+ *** Private
+ ***/
+
+static inline isc_result_t
+save_nsrrset(dns_message_t *message, dns_name_t *name,
+	     dns_db_t *db, dns_dbversion_t *version)
+{
+	dns_rdataset_t *nsrdataset = NULL;
+	dns_rdataset_t *rdataset = NULL;
+	dns_dbnode_t *node = NULL;
+	dns_rdata_ns_t ns;
+	isc_result_t result;
+	dns_rdata_t rdata = DNS_RDATA_INIT;
+
+	/*
+	 * Extract NS RRset from message.
+	 */
+	result = dns_message_findname(message, DNS_SECTION_ANSWER, name,
+				      dns_rdatatype_ns, dns_rdatatype_none,
+				      NULL, &nsrdataset);
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+
+	/*
+	 * Add NS rdataset.
+	 */
+	result = dns_db_findnode(db, name, ISC_TRUE, &node);
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+	result = dns_db_addrdataset(db, node, version, 0,
+				    nsrdataset, 0, NULL);
+	dns_db_detachnode(db, &node);
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+	/*
+	 * Add glue rdatasets.
+	 */
+	for (result = dns_rdataset_first(nsrdataset);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rdataset_next(nsrdataset)) {
+		dns_rdataset_current(nsrdataset, &rdata);
+		result = dns_rdata_tostruct(&rdata, &ns, NULL);
+		RUNTIME_CHECK(result == ISC_R_SUCCESS);
+		dns_rdata_reset(&rdata);
+		if (!dns_name_issubdomain(&ns.name, name))
+			continue;
+		rdataset = NULL;
+		result = dns_message_findname(message, DNS_SECTION_ADDITIONAL,
+					      &ns.name, dns_rdatatype_aaaa,
+					      dns_rdatatype_none, NULL,
+					      &rdataset);
+		if (result == ISC_R_SUCCESS) {
+			result = dns_db_findnode(db, &ns.name,
+						 ISC_TRUE, &node);
+			if (result != ISC_R_SUCCESS)
+				goto fail;
+			result = dns_db_addrdataset(db, node, version, 0,
+						    rdataset, 0, NULL);
+			dns_db_detachnode(db, &node);
+			if (result != ISC_R_SUCCESS)
+				goto fail;
+		}
+		rdataset = NULL;
+		result = dns_message_findname(message, DNS_SECTION_ADDITIONAL,
+					      &ns.name, dns_rdatatype_a,
+					      dns_rdatatype_none, NULL,
+					      &rdataset);
+		if (result == ISC_R_SUCCESS) {
+			result = dns_db_findnode(db, &ns.name,
+						 ISC_TRUE, &node);
+			if (result != ISC_R_SUCCESS)
+				goto fail;
+			result = dns_db_addrdataset(db, node, version, 0,
+						    rdataset, 0, NULL);
+			dns_db_detachnode(db, &node);
+			if (result != ISC_R_SUCCESS)
+				goto fail;
+		}
+	}
+	if (result != ISC_R_NOMORE)
+		goto fail;
+
+	return (ISC_R_SUCCESS);
+
+fail:
+	return (result);
+}
+
+static void
+stub_callback(isc_task_t *task, isc_event_t *event) {
+	const char me[] = "stub_callback";
+	dns_requestevent_t *revent = (dns_requestevent_t *)event;
+	dns_stub_t *stub = NULL;
+	dns_message_t *msg = NULL;
+	dns_zone_t *zone = NULL;
+	char master[ISC_SOCKADDR_FORMATSIZE];
+	char source[ISC_SOCKADDR_FORMATSIZE];
+	isc_uint32_t nscnt, cnamecnt;
+	isc_result_t result;
+	isc_time_t now;
+	isc_boolean_t exiting = ISC_FALSE;
+	isc_interval_t i;
+	unsigned int j;
+
+	stub = revent->ev_arg;
+	INSIST(DNS_STUB_VALID(stub));
+
+	UNUSED(task);
+
+	zone = stub->zone;
+
+	ENTER;
+
+	TIME_NOW(&now);
+
+	if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_EXITING)) {
+		zone_debuglog(zone, me, 1, "exiting");
+		exiting = ISC_TRUE;
+		goto next_master;
+	}
+
+	isc_sockaddr_format(&zone->masteraddr, master, sizeof(master));
+	isc_sockaddr_format(&zone->sourceaddr, source, sizeof(source));
+
+	if (revent->result != ISC_R_SUCCESS) {
+		if (revent->result == ISC_R_TIMEDOUT &&
+		    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NOEDNS)) {
+			LOCK_ZONE(zone);
+			DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_NOEDNS);
+			UNLOCK_ZONE(zone);
+			dns_zone_log(zone, ISC_LOG_DEBUG(1),
+				     "refreshing stub: timeout retrying "
+				     " without EDNS master %s (source %s)",
+				     master, source);
+			goto same_master;
+		}
+		dns_zonemgr_unreachableadd(zone->zmgr, &zone->masteraddr,
+					   &zone->sourceaddr, &now);
+		dns_zone_log(zone, ISC_LOG_INFO,
+			     "could not refresh stub from master %s"
+			     " (source %s): %s", master, source,
+			     dns_result_totext(revent->result));
+		goto next_master;
+	}
+
+	result = dns_message_create(zone->mctx, DNS_MESSAGE_INTENTPARSE, &msg);
+	if (result != ISC_R_SUCCESS)
+		goto next_master;
+
+	result = dns_request_getresponse(revent->request, msg, 0);
+	if (result != ISC_R_SUCCESS)
+		goto next_master;
+
+	/*
+	 * Unexpected rcode.
+	 */
+	if (msg->rcode != dns_rcode_noerror) {
+		char rcode[128];
+		isc_buffer_t rb;
+
+		isc_buffer_init(&rb, rcode, sizeof(rcode));
+		(void)dns_rcode_totext(msg->rcode, &rb);
+
+		if (!DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NOEDNS) &&
+		    (msg->rcode == dns_rcode_servfail ||
+		     msg->rcode == dns_rcode_notimp ||
+		     msg->rcode == dns_rcode_formerr)) {
+			dns_zone_log(zone, ISC_LOG_DEBUG(1),
+				     "refreshing stub: rcode (%.*s) retrying "
+				     "without EDNS master %s (source %s)",
+				     (int)rb.used, rcode, master, source);
+			LOCK_ZONE(zone);
+			DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_NOEDNS);
 			UNLOCK_ZONE(zone);
-			continue;
+			goto same_master;
+		}
+
+		dns_zone_log(zone, ISC_LOG_INFO,
+			     "refreshing stub: "
+			     "unexpected rcode (%.*s) from %s (source %s)",
+			     (int)rb.used, rcode, master, source);
+		goto next_master;
+	}
+
+	/*
+	 * We need complete messages.
+	 */
+	if ((msg->flags & DNS_MESSAGEFLAG_TC) != 0) {
+		if (dns_request_usedtcp(revent->request)) {
+			dns_zone_log(zone, ISC_LOG_INFO,
+				     "refreshing stub: truncated TCP "
+				     "response from master %s (source %s)",
+				     master, source);
+			goto next_master;
 		}
 		LOCK_ZONE(zone);
-		ISC_LIST_APPEND(zone->notifies, notify, link);
+		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_USEVC);
 		UNLOCK_ZONE(zone);
-		notify_find_address(notify);
-		notify = NULL;
-		result = dns_rdataset_next(&nsrdset);
+		goto same_master;
 	}
-	dns_rdataset_disassociate(&nsrdset);
 
- cleanup3:
-	if (dns_name_dynamic(&master))
-		dns_name_free(&master, zone->mctx);
- cleanup2:
-	dns_db_detachnode(zonedb, &node);
- cleanup1:
-	dns_db_closeversion(zonedb, &version, ISC_FALSE);
-	dns_db_detach(&zonedb);
-}
+	/*
+	 * If non-auth log and next master.
+	 */
+	if ((msg->flags & DNS_MESSAGEFLAG_AA) == 0) {
+		dns_zone_log(zone, ISC_LOG_INFO, "refreshing stub: "
+			     "non-authoritative answer from "
+			     "master %s (source %s)", master, source);
+		goto next_master;
+	}
 
-/***
- *** Private
- ***/
+	/*
+	 * Sanity checks.
+	 */
+	cnamecnt = message_count(msg, DNS_SECTION_ANSWER, dns_rdatatype_cname);
+	nscnt = message_count(msg, DNS_SECTION_ANSWER, dns_rdatatype_ns);
 
-static inline isc_result_t
-save_nsrrset(dns_message_t *message, dns_name_t *name,
-	     dns_db_t *db, dns_dbversion_t *version)
-{
-	dns_rdataset_t *nsrdataset = NULL;
-	dns_rdataset_t *rdataset = NULL;
-	dns_dbnode_t *node = NULL;
-	dns_rdata_ns_t ns;
-	isc_result_t result;
-	dns_rdata_t rdata = DNS_RDATA_INIT;
+	if (cnamecnt != 0) {
+		dns_zone_log(zone, ISC_LOG_INFO,
+			     "refreshing stub: unexpected CNAME response "
+			     "from master %s (source %s)", master, source);
+		goto next_master;
+	}
+
+	if (nscnt == 0) {
+		dns_zone_log(zone, ISC_LOG_INFO,
+			     "refreshing stub: no NS records in response "
+			     "from master %s (source %s)", master, source);
+		goto next_master;
+	}
 
 	/*
-	 * Extract NS RRset from message.
+	 * Save answer.
 	 */
-	result = dns_message_findname(message, DNS_SECTION_ANSWER, name,
-				      dns_rdatatype_ns, dns_rdatatype_none,
-				      NULL, &nsrdataset);
-	if (result != ISC_R_SUCCESS)
-		goto fail;
+	result = save_nsrrset(msg, &zone->origin, stub->db, stub->version);
+	if (result != ISC_R_SUCCESS) {
+		dns_zone_log(zone, ISC_LOG_INFO,
+			     "refreshing stub: unable to save NS records "
+			     "from master %s (source %s)", master, source);
+		goto next_master;
+	}
 
 	/*
-	 * Add NS rdataset.
+	 * Tidy up.
 	 */
-	result = dns_db_findnode(db, name, ISC_TRUE, &node);
-	if (result != ISC_R_SUCCESS)
-		goto fail;
-	result = dns_db_addrdataset(db, node, version, 0,
-				    nsrdataset, 0, NULL);
-	dns_db_detachnode(db, &node);
-	if (result != ISC_R_SUCCESS)
-		goto fail;
+	dns_db_closeversion(stub->db, &stub->version, ISC_TRUE);
+	ZONEDB_LOCK(&zone->dblock, isc_rwlocktype_write);
+	if (zone->db == NULL)
+		zone_attachdb(zone, stub->db);
+	ZONEDB_UNLOCK(&zone->dblock, isc_rwlocktype_write);
+	dns_db_detach(&stub->db);
+
+	if (zone->masterfile != NULL) {
+		dns_zone_dump(zone);
+		TIME_NOW(&zone->loadtime);
+	}
+
+	dns_message_destroy(&msg);
+	isc_event_free(&event);
+	LOCK_ZONE(zone);
+	dns_request_destroy(&zone->request);
+	DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_REFRESH);
+	DNS_ZONE_JITTER_ADD(&now, zone->refresh, &zone->refreshtime);
+	isc_interval_set(&i, zone->expire, 0);
+	DNS_ZONE_TIME_ADD(&now, zone->expire, &zone->expiretime);
+	zone_settimer(zone, &now);
+	UNLOCK_ZONE(zone);
+	goto free_stub;
+
+ next_master:
+	if (stub->version != NULL)
+		dns_db_closeversion(stub->db, &stub->version, ISC_FALSE);
+	if (stub->db != NULL)
+		dns_db_detach(&stub->db);
+	if (msg != NULL)
+		dns_message_destroy(&msg);
+	isc_event_free(&event);
+	LOCK_ZONE(zone);
+	dns_request_destroy(&zone->request);
 	/*
-	 * Add glue rdatasets.
+	 * Skip to next failed / untried master.
 	 */
-	for (result = dns_rdataset_first(nsrdataset);
-	     result == ISC_R_SUCCESS;
-	     result = dns_rdataset_next(nsrdataset)) {
-		dns_rdataset_current(nsrdataset, &rdata);
-		result = dns_rdata_tostruct(&rdata, &ns, NULL);
-		RUNTIME_CHECK(result == ISC_R_SUCCESS);
-		dns_rdata_reset(&rdata);
-		if (!dns_name_issubdomain(&ns.name, name))
-			continue;
-		rdataset = NULL;
-		result = dns_message_findname(message, DNS_SECTION_ADDITIONAL,
-					      &ns.name, dns_rdatatype_aaaa,
-					      dns_rdatatype_none, NULL,
-					      &rdataset);
-		if (result == ISC_R_SUCCESS) {
-			result = dns_db_findnode(db, &ns.name,
-						 ISC_TRUE, &node);
-			if (result != ISC_R_SUCCESS)
-				goto fail;
-			result = dns_db_addrdataset(db, node, version, 0,
-						    rdataset, 0, NULL);
-			dns_db_detachnode(db, &node);
-			if (result != ISC_R_SUCCESS)
-				goto fail;
-		}
-		rdataset = NULL;
-		result = dns_message_findname(message, DNS_SECTION_ADDITIONAL,
-					      &ns.name, dns_rdatatype_a,
-					      dns_rdatatype_none, NULL,
-					      &rdataset);
-		if (result == ISC_R_SUCCESS) {
-			result = dns_db_findnode(db, &ns.name,
-						 ISC_TRUE, &node);
-			if (result != ISC_R_SUCCESS)
-				goto fail;
-			result = dns_db_addrdataset(db, node, version, 0,
-						    rdataset, 0, NULL);
-			dns_db_detachnode(db, &node);
-			if (result != ISC_R_SUCCESS)
-				goto fail;
+	do {
+		zone->curmaster++;
+	} while (zone->curmaster < zone->masterscnt &&
+		 zone->mastersok[zone->curmaster]);
+	DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_NOEDNS);
+	if (exiting || zone->curmaster >= zone->masterscnt) {
+		isc_boolean_t done = ISC_TRUE;
+		if (!exiting &&
+		    DNS_ZONE_OPTION(zone, DNS_ZONEOPT_USEALTXFRSRC) &&
+		    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_USEALTXFRSRC)) {
+			/*
+			 * Did we get a good answer from all the masters?
+			 */
+			for (j = 0; j < zone->masterscnt; j++)
+				if (zone->mastersok[j] == ISC_FALSE) {
+					done = ISC_FALSE;
+					break;
+				}
+		} else
+			done = ISC_TRUE;
+		if (!done) {
+			zone->curmaster = 0;
+			/*
+			 * Find the next failed master.
+			 */
+			while (zone->curmaster < zone->masterscnt &&
+			       zone->mastersok[zone->curmaster])
+				zone->curmaster++;
+			DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_USEALTXFRSRC);
+		} else {
+			DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_REFRESH);
+
+			zone_settimer(zone, &now);
+			UNLOCK_ZONE(zone);
+			goto free_stub;
 		}
 	}
-	if (result != ISC_R_NOMORE)
-		goto fail;
+	queue_soa_query(zone);
+	UNLOCK_ZONE(zone);
+	goto free_stub;
 
-	return (ISC_R_SUCCESS);
+ same_master:
+	if (msg != NULL)
+		dns_message_destroy(&msg);
+	isc_event_free(&event);
+	LOCK_ZONE(zone);
+	dns_request_destroy(&zone->request);
+	UNLOCK_ZONE(zone);
+	ns_query(zone, NULL, stub);
+	goto done;
 
-fail:
-	return (result);
+ free_stub:
+	stub->magic = 0;
+	dns_zone_idetach(&stub->zone);
+	INSIST(stub->db == NULL);
+	INSIST(stub->version == NULL);
+	isc_mem_put(stub->mctx, stub, sizeof(*stub));
+
+ done:
+	INSIST(event == NULL);
+	return;
 }
 
+/*
+ * An SOA query has finished (successfully or not).
+ */
 static void
-stub_callback(isc_task_t *task, isc_event_t *event) {
-	const char me[] = "stub_callback";
+refresh_callback(isc_task_t *task, isc_event_t *event) {
+	const char me[] = "refresh_callback";
 	dns_requestevent_t *revent = (dns_requestevent_t *)event;
-	dns_stub_t *stub = NULL;
+	dns_zone_t *zone;
 	dns_message_t *msg = NULL;
-	dns_zone_t *zone = NULL;
+	isc_uint32_t soacnt, cnamecnt, soacount, nscount;
+	isc_time_t now;
 	char master[ISC_SOCKADDR_FORMATSIZE];
 	char source[ISC_SOCKADDR_FORMATSIZE];
-	isc_uint32_t nscnt, cnamecnt;
+	dns_rdataset_t *rdataset = NULL;
+	dns_rdata_t rdata = DNS_RDATA_INIT;
+	dns_rdata_soa_t soa;
 	isc_result_t result;
-	isc_time_t now;
-	isc_boolean_t exiting = ISC_FALSE;
-	isc_interval_t i;
+	isc_uint32_t serial, oldserial;
 	unsigned int j;
 
-	stub = revent->ev_arg;
-	INSIST(DNS_STUB_VALID(stub));
+	zone = revent->ev_arg;
+	INSIST(DNS_ZONE_VALID(zone));
 
 	UNUSED(task);
 
-	zone = stub->zone;
-
 	ENTER;
 
-	TIME_NOW(&now);
-
-	if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_EXITING)) {
-		zone_debuglog(zone, me, 1, "exiting");
-		exiting = ISC_TRUE;
-		goto next_master;
-	}
+	/*
+	 * if timeout log and next master;
+	 */
 
 	isc_sockaddr_format(&zone->masteraddr, master, sizeof(master));
 	isc_sockaddr_format(&zone->sourceaddr, source, sizeof(source));
 
+	TIME_NOW(&now);
+
 	if (revent->result != ISC_R_SUCCESS) {
 		if (revent->result == ISC_R_TIMEDOUT &&
 		    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NOEDNS)) {
@@ -7242,27 +9318,54 @@ stub_callback(isc_task_t *task, isc_event_t *event) {
 			DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_NOEDNS);
 			UNLOCK_ZONE(zone);
 			dns_zone_log(zone, ISC_LOG_DEBUG(1),
-				     "refreshing stub: timeout retrying "
-				     " without EDNS master %s (source %s)",
-				     master, source);
+				     "refresh: timeout retrying without EDNS "
+				     "master %s (source %s)", master, source);
 			goto same_master;
 		}
-		dns_zonemgr_unreachableadd(zone->zmgr, &zone->masteraddr,
-					   &zone->sourceaddr, &now);
-		dns_zone_log(zone, ISC_LOG_INFO,
-			     "could not refresh stub from master %s"
-			     " (source %s): %s", master, source,
-			     dns_result_totext(revent->result));
+		if (revent->result == ISC_R_TIMEDOUT &&
+		    !dns_request_usedtcp(revent->request)) {
+			dns_zone_log(zone, ISC_LOG_INFO,
+				     "refresh: retry limit for "
+				     "master %s exceeded (source %s)",
+				     master, source);
+			/* Try with slave with TCP. */
+			if (zone->type == dns_zone_slave &&
+			    DNS_ZONE_OPTION(zone, DNS_ZONEOPT_TRYTCPREFRESH)) {
+				if (!dns_zonemgr_unreachable(zone->zmgr,
+							     &zone->masteraddr,
+							     &zone->sourceaddr,
+							     &now)) {
+					LOCK_ZONE(zone);
+					DNS_ZONE_SETFLAG(zone,
+						     DNS_ZONEFLG_SOABEFOREAXFR);
+					UNLOCK_ZONE(zone);
+					goto tcp_transfer;
+				}
+				dns_zone_log(zone, ISC_LOG_DEBUG(1),
+					     "refresh: skipped tcp fallback"
+					     "as master %s (source %s) is "
+					     "unreachable (cached)",
+					      master, source);
+			}
+		} else
+			dns_zone_log(zone, ISC_LOG_INFO,
+				     "refresh: failure trying master "
+				     "%s (source %s): %s", master, source,
+				     dns_result_totext(revent->result));
 		goto next_master;
 	}
 
 	result = dns_message_create(zone->mctx, DNS_MESSAGE_INTENTPARSE, &msg);
 	if (result != ISC_R_SUCCESS)
 		goto next_master;
-
 	result = dns_request_getresponse(revent->request, msg, 0);
-	if (result != ISC_R_SUCCESS)
+	if (result != ISC_R_SUCCESS) {
+		dns_zone_log(zone, ISC_LOG_INFO,
+			     "refresh: failure trying master "
+			     "%s (source %s): %s", master, source,
+			     dns_result_totext(result));
 		goto next_master;
+	}
 
 	/*
 	 * Unexpected rcode.
@@ -7279,112 +9382,217 @@ stub_callback(isc_task_t *task, isc_event_t *event) {
 		     msg->rcode == dns_rcode_notimp ||
 		     msg->rcode == dns_rcode_formerr)) {
 			dns_zone_log(zone, ISC_LOG_DEBUG(1),
-				     "refreshing stub: rcode (%.*s) retrying "
-				     "without EDNS master %s (source %s)",
+				     "refresh: rcode (%.*s) retrying without "
+				     "EDNS master %s (source %s)",
 				     (int)rb.used, rcode, master, source);
 			LOCK_ZONE(zone);
 			DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_NOEDNS);
 			UNLOCK_ZONE(zone);
 			goto same_master;
 		}
-
 		dns_zone_log(zone, ISC_LOG_INFO,
-			     "refreshing stub: "
-			     "unexpected rcode (%.*s) from %s (source %s)",
-			     (int)rb.used, rcode, master, source);
+			     "refresh: unexpected rcode (%.*s) from "
+			     "master %s (source %s)", (int)rb.used, rcode,
+			     master, source);
+		/*
+		 * Perhaps AXFR/IXFR is allowed even if SOA queries aren't.
+		 */
+		if (msg->rcode == dns_rcode_refused &&
+		    zone->type == dns_zone_slave)
+			goto tcp_transfer;
 		goto next_master;
 	}
 
 	/*
-	 * We need complete messages.
+	 * If truncated punt to zone transfer which will query again.
 	 */
 	if ((msg->flags & DNS_MESSAGEFLAG_TC) != 0) {
-		if (dns_request_usedtcp(revent->request)) {
+		if (zone->type == dns_zone_slave) {
 			dns_zone_log(zone, ISC_LOG_INFO,
-				     "refreshing stub: truncated TCP "
-				     "response from master %s (source %s)",
+				     "refresh: truncated UDP answer, "
+				     "initiating TCP zone xfer "
+				     "for master %s (source %s)",
+				     master, source);
+			LOCK_ZONE(zone);
+			DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_SOABEFOREAXFR);
+			UNLOCK_ZONE(zone);
+			goto tcp_transfer;
+		} else {
+			INSIST(zone->type == dns_zone_stub);
+			if (dns_request_usedtcp(revent->request)) {
+				dns_zone_log(zone, ISC_LOG_INFO,
+					     "refresh: truncated TCP response "
+					     "from master %s (source %s)",
+					     master, source);
+				goto next_master;
+			}
+			LOCK_ZONE(zone);
+			DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_USEVC);
+			UNLOCK_ZONE(zone);
+			goto same_master;
+		}
+	}
+
+	/*
+	 * if non-auth log and next master;
+	 */
+	if ((msg->flags & DNS_MESSAGEFLAG_AA) == 0) {
+		dns_zone_log(zone, ISC_LOG_INFO,
+			     "refresh: non-authoritative answer from "
+			     "master %s (source %s)", master, source);
+		goto next_master;
+	}
+
+	cnamecnt = message_count(msg, DNS_SECTION_ANSWER, dns_rdatatype_cname);
+	soacnt = message_count(msg, DNS_SECTION_ANSWER, dns_rdatatype_soa);
+	nscount = message_count(msg, DNS_SECTION_AUTHORITY, dns_rdatatype_ns);
+	soacount = message_count(msg, DNS_SECTION_AUTHORITY,
+				 dns_rdatatype_soa);
+
+	/*
+	 * There should not be a CNAME record at top of zone.
+	 */
+	if (cnamecnt != 0) {
+		dns_zone_log(zone, ISC_LOG_INFO,
+			     "refresh: CNAME at top of zone "
+			     "in master %s (source %s)", master, source);
+		goto next_master;
+	}
+
+	/*
+	 * if referral log and next master;
+	 */
+	if (soacnt == 0 && soacount == 0 && nscount != 0) {
+		dns_zone_log(zone, ISC_LOG_INFO,
+			     "refresh: referral response "
+			     "from master %s (source %s)", master, source);
+		goto next_master;
+	}
+
+	/*
+	 * if nodata log and next master;
+	 */
+	if (soacnt == 0 && (nscount == 0 || soacount != 0)) {
+		dns_zone_log(zone, ISC_LOG_INFO,
+			     "refresh: NODATA response "
+			     "from master %s (source %s)", master, source);
+		goto next_master;
+	}
+
+	/*
+	 * Only one soa at top of zone.
+	 */
+	if (soacnt != 1) {
+		dns_zone_log(zone, ISC_LOG_INFO,
+			     "refresh: answer SOA count (%d) != 1 "
+			     "from master %s (source %s)",
+			     soacnt, master, source);
+		goto next_master;
+	}
+	/*
+	 * Extract serial
+	 */
+	rdataset = NULL;
+	result = dns_message_findname(msg, DNS_SECTION_ANSWER, &zone->origin,
+				      dns_rdatatype_soa, dns_rdatatype_none,
+				      NULL, &rdataset);
+	if (result != ISC_R_SUCCESS) {
+		dns_zone_log(zone, ISC_LOG_INFO,
+			     "refresh: unable to get SOA record "
+			     "from master %s (source %s)", master, source);
+		goto next_master;
+	}
+
+	result = dns_rdataset_first(rdataset);
+	if (result != ISC_R_SUCCESS) {
+		dns_zone_log(zone, ISC_LOG_INFO,
+			     "refresh: dns_rdataset_first() failed");
+		goto next_master;
+	}
+
+	dns_rdataset_current(rdataset, &rdata);
+	result = dns_rdata_tostruct(&rdata, &soa, NULL);
+	RUNTIME_CHECK(result == ISC_R_SUCCESS);
+
+	serial = soa.serial;
+	if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_LOADED)) {
+		result = dns_zone_getserial2(zone, &oldserial);
+		RUNTIME_CHECK(result == ISC_R_SUCCESS);
+		zone_debuglog(zone, me, 1, "serial: new %u, old %u",
+			      serial, oldserial);
+	} else
+		zone_debuglog(zone, me, 1, "serial: new %u, old not loaded",
+			      serial);
+	if (!DNS_ZONE_FLAG(zone, DNS_ZONEFLG_LOADED) ||
+	    DNS_ZONE_FLAG(zone, DNS_ZONEFLG_FORCEXFER) ||
+	    isc_serial_gt(serial, oldserial)) {
+		if (dns_zonemgr_unreachable(zone->zmgr, &zone->masteraddr,
+					    &zone->sourceaddr, &now)) {
+			dns_zone_log(zone, ISC_LOG_INFO,
+				     "refresh: skipping %s as master %s "
+				     "(source %s) is unreachable (cached)",
+				     zone->type == dns_zone_slave ?
+				     "zone transfer" : "NS query",
 				     master, source);
 			goto next_master;
 		}
-		LOCK_ZONE(zone);
-		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_USEVC);
-		UNLOCK_ZONE(zone);
-		goto same_master;
-	}
-
-	/*
-	 * If non-auth log and next master.
-	 */
-	if ((msg->flags & DNS_MESSAGEFLAG_AA) == 0) {
-		dns_zone_log(zone, ISC_LOG_INFO, "refreshing stub: "
-			     "non-authoritative answer from "
-			     "master %s (source %s)", master, source);
-		goto next_master;
-	}
-
-	/*
-	 * Sanity checks.
-	 */
-	cnamecnt = message_count(msg, DNS_SECTION_ANSWER, dns_rdatatype_cname);
-	nscnt = message_count(msg, DNS_SECTION_ANSWER, dns_rdatatype_ns);
-
-	if (cnamecnt != 0) {
-		dns_zone_log(zone, ISC_LOG_INFO,
-			     "refreshing stub: unexpected CNAME response "
-			     "from master %s (source %s)", master, source);
-		goto next_master;
-	}
-
-	if (nscnt == 0) {
-		dns_zone_log(zone, ISC_LOG_INFO,
-			     "refreshing stub: no NS records in response "
-			     "from master %s (source %s)", master, source);
+ tcp_transfer:
+		isc_event_free(&event);
+		LOCK_ZONE(zone);
+		dns_request_destroy(&zone->request);
+		UNLOCK_ZONE(zone);
+		if (zone->type == dns_zone_slave) {
+			queue_xfrin(zone);
+		} else {
+			INSIST(zone->type == dns_zone_stub);
+			ns_query(zone, rdataset, NULL);
+		}
+		if (msg != NULL)
+			dns_message_destroy(&msg);
+	} else if (isc_serial_eq(soa.serial, oldserial)) {
+		if (zone->masterfile != NULL) {
+			result = ISC_R_FAILURE;
+			if (zone->journal != NULL)
+				result = isc_file_settime(zone->journal, &now);
+			if (result == ISC_R_SUCCESS &&
+			    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NEEDDUMP) &&
+			    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_DUMPING)) {
+				result = isc_file_settime(zone->masterfile,
+							  &now);
+			} else if (result != ISC_R_SUCCESS)
+				result = isc_file_settime(zone->masterfile,
+							  &now);
+			/* Someone removed the file from underneath us! */
+			if (result == ISC_R_FILENOTFOUND) {
+				LOCK_ZONE(zone);
+				zone_needdump(zone, DNS_DUMP_DELAY);
+				UNLOCK_ZONE(zone);
+			} else if (result != ISC_R_SUCCESS)
+				dns_zone_log(zone, ISC_LOG_ERROR,
+					     "refresh: could not set file "
+					     "modification time of '%s': %s",
+					     zone->masterfile,
+					     dns_result_totext(result));
+		}
+		DNS_ZONE_JITTER_ADD(&now, zone->refresh, &zone->refreshtime);
+		DNS_ZONE_TIME_ADD(&now, zone->expire, &zone->expiretime);
+		zone->mastersok[zone->curmaster] = ISC_TRUE;
 		goto next_master;
-	}
-
-	/*
-	 * Save answer.
-	 */
-	result = save_nsrrset(msg, &zone->origin, stub->db, stub->version);
-	if (result != ISC_R_SUCCESS) {
-		dns_zone_log(zone, ISC_LOG_INFO,
-			     "refreshing stub: unable to save NS records "
-			     "from master %s (source %s)", master, source);
+	} else {
+		if (!DNS_ZONE_OPTION(zone, DNS_ZONEOPT_MULTIMASTER))
+			dns_zone_log(zone, ISC_LOG_INFO, "serial number (%u) "
+				     "received from master %s < ours (%u)",
+				     soa.serial, master, oldserial);
+		else
+			zone_debuglog(zone, me, 1, "ahead");
+		zone->mastersok[zone->curmaster] = ISC_TRUE;
 		goto next_master;
 	}
-
-	/*
-	 * Tidy up.
-	 */
-	dns_db_closeversion(stub->db, &stub->version, ISC_TRUE);
-	ZONEDB_LOCK(&zone->dblock, isc_rwlocktype_write);
-	if (zone->db == NULL)
-		zone_attachdb(zone, stub->db);
-	ZONEDB_UNLOCK(&zone->dblock, isc_rwlocktype_write);
-	dns_db_detach(&stub->db);
-
-	if (zone->masterfile != NULL) {
-		dns_zone_dump(zone);
-		TIME_NOW(&zone->loadtime);
-	}
-
-	dns_message_destroy(&msg);
-	isc_event_free(&event);
-	LOCK_ZONE(zone);
-	dns_request_destroy(&zone->request);
-	DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_REFRESH);
-	DNS_ZONE_JITTER_ADD(&now, zone->refresh, &zone->refreshtime);
-	isc_interval_set(&i, zone->expire, 0);
-	DNS_ZONE_TIME_ADD(&now, zone->expire, &zone->expiretime);
-	zone_settimer(zone, &now);
-	UNLOCK_ZONE(zone);
-	goto free_stub;
+	if (msg != NULL)
+		dns_message_destroy(&msg);
+	goto detach;
 
  next_master:
-	if (stub->version != NULL)
-		dns_db_closeversion(stub->db, &stub->version, ISC_FALSE);
-	if (stub->db != NULL)
-		dns_db_detach(&stub->db);
 	if (msg != NULL)
 		dns_message_destroy(&msg);
 	isc_event_free(&event);
@@ -7398,10 +9606,9 @@ stub_callback(isc_task_t *task, isc_event_t *event) {
 	} while (zone->curmaster < zone->masterscnt &&
 		 zone->mastersok[zone->curmaster]);
 	DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_NOEDNS);
-	if (exiting || zone->curmaster >= zone->masterscnt) {
+	if (zone->curmaster >= zone->masterscnt) {
 		isc_boolean_t done = ISC_TRUE;
-		if (!exiting &&
-		    DNS_ZONE_OPTION(zone, DNS_ZONEOPT_USEALTXFRSRC) &&
+		if (DNS_ZONE_OPTION(zone, DNS_ZONEOPT_USEALTXFRSRC) &&
 		    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_USEALTXFRSRC)) {
 			/*
 			 * Did we get a good answer from all the masters?
@@ -7414,6 +9621,7 @@ stub_callback(isc_task_t *task, isc_event_t *event) {
 		} else
 			done = ISC_TRUE;
 		if (!done) {
+			DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_USEALTXFRSRC);
 			zone->curmaster = 0;
 			/*
 			 * Find the next failed master.
@@ -7421,4224 +9629,4643 @@ stub_callback(isc_task_t *task, isc_event_t *event) {
 			while (zone->curmaster < zone->masterscnt &&
 			       zone->mastersok[zone->curmaster])
 				zone->curmaster++;
-			DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_USEALTXFRSRC);
-		} else {
-			DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_REFRESH);
+			goto requeue;
+		}
+		DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_REFRESH);
+		if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NEEDREFRESH)) {
+			DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_NEEDREFRESH);
+			zone->refreshtime = now;
+		}
+		DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_USEALTXFRSRC);
+		zone_settimer(zone, &now);
+		UNLOCK_ZONE(zone);
+		goto detach;
+	}
+
+ requeue:
+	queue_soa_query(zone);
+	UNLOCK_ZONE(zone);
+	goto detach;
+
+ same_master:
+	if (msg != NULL)
+		dns_message_destroy(&msg);
+	isc_event_free(&event);
+	LOCK_ZONE(zone);
+	dns_request_destroy(&zone->request);
+	queue_soa_query(zone);
+	UNLOCK_ZONE(zone);
+
+ detach:
+	dns_zone_idetach(&zone);
+	return;
+}
+
+static void
+queue_soa_query(dns_zone_t *zone) {
+	const char me[] = "queue_soa_query";
+	isc_event_t *e;
+	dns_zone_t *dummy = NULL;
+	isc_result_t result;
+
+	ENTER;
+	/*
+	 * Locked by caller
+	 */
+	REQUIRE(LOCKED_ZONE(zone));
+
+	if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_EXITING)) {
+		cancel_refresh(zone);
+		return;
+	}
+
+	e = isc_event_allocate(zone->mctx, NULL, DNS_EVENT_ZONE,
+			       soa_query, zone, sizeof(isc_event_t));
+	if (e == NULL) {
+		cancel_refresh(zone);
+		return;
+	}
+
+	/*
+	 * Attach so that we won't clean up
+	 * until the event is delivered.
+	 */
+	zone_iattach(zone, &dummy);
+
+	e->ev_arg = zone;
+	e->ev_sender = NULL;
+	result = isc_ratelimiter_enqueue(zone->zmgr->rl, zone->task, &e);
+	if (result != ISC_R_SUCCESS) {
+		zone_idetach(&dummy);
+		isc_event_free(&e);
+		cancel_refresh(zone);
+	}
+}
+
+static inline isc_result_t
+create_query(dns_zone_t *zone, dns_rdatatype_t rdtype,
+	     dns_message_t **messagep)
+{
+	dns_message_t *message = NULL;
+	dns_name_t *qname = NULL;
+	dns_rdataset_t *qrdataset = NULL;
+	isc_result_t result;
+
+	result = dns_message_create(zone->mctx, DNS_MESSAGE_INTENTRENDER,
+				    &message);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+
+	message->opcode = dns_opcode_query;
+	message->rdclass = zone->rdclass;
+
+	result = dns_message_gettempname(message, &qname);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+
+	result = dns_message_gettemprdataset(message, &qrdataset);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+
+	/*
+	 * Make question.
+	 */
+	dns_name_init(qname, NULL);
+	dns_name_clone(&zone->origin, qname);
+	dns_rdataset_init(qrdataset);
+	dns_rdataset_makequestion(qrdataset, zone->rdclass, rdtype);
+	ISC_LIST_APPEND(qname->list, qrdataset, link);
+	dns_message_addname(message, qname, DNS_SECTION_QUESTION);
+
+	*messagep = message;
+	return (ISC_R_SUCCESS);
+
+ cleanup:
+	if (qname != NULL)
+		dns_message_puttempname(message, &qname);
+	if (qrdataset != NULL)
+		dns_message_puttemprdataset(message, &qrdataset);
+	if (message != NULL)
+		dns_message_destroy(&message);
+	return (result);
+}
+
+static isc_result_t
+add_opt(dns_message_t *message, isc_uint16_t udpsize, isc_boolean_t reqnsid) {
+	dns_rdataset_t *rdataset = NULL;
+	dns_rdatalist_t *rdatalist = NULL;
+	dns_rdata_t *rdata = NULL;
+	isc_result_t result;
+
+	result = dns_message_gettemprdatalist(message, &rdatalist);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+	result = dns_message_gettemprdata(message, &rdata);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+	result = dns_message_gettemprdataset(message, &rdataset);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+	dns_rdataset_init(rdataset);
+
+	rdatalist->type = dns_rdatatype_opt;
+	rdatalist->covers = 0;
+
+	/*
+	 * Set Maximum UDP buffer size.
+	 */
+	rdatalist->rdclass = udpsize;
+
+	/*
+	 * Set EXTENDED-RCODE, VERSION, DO and Z to 0.
+	 */
+	rdatalist->ttl = 0;
+
+	/* Set EDNS options if applicable */
+	if (reqnsid) {
+		unsigned char data[4];
+		isc_buffer_t buf;
 
-			zone_settimer(zone, &now);
-			UNLOCK_ZONE(zone);
-			goto free_stub;
-		}
+		isc_buffer_init(&buf, data, sizeof(data));
+		isc_buffer_putuint16(&buf, DNS_OPT_NSID);
+		isc_buffer_putuint16(&buf, 0);
+		rdata->data = data;
+		rdata->length = sizeof(data);
+	} else {
+		rdata->data = NULL;
+		rdata->length = 0;
 	}
-	queue_soa_query(zone);
-	UNLOCK_ZONE(zone);
-	goto free_stub;
 
- same_master:
-	if (msg != NULL)
-		dns_message_destroy(&msg);
-	isc_event_free(&event);
-	LOCK_ZONE(zone);
-	dns_request_destroy(&zone->request);
-	UNLOCK_ZONE(zone);
-	ns_query(zone, NULL, stub);
-	goto done;
+	rdata->rdclass = rdatalist->rdclass;
+	rdata->type = rdatalist->type;
+	rdata->flags = 0;
 
- free_stub:
-	stub->magic = 0;
-	dns_zone_idetach(&stub->zone);
-	INSIST(stub->db == NULL);
-	INSIST(stub->version == NULL);
-	isc_mem_put(stub->mctx, stub, sizeof(*stub));
+	ISC_LIST_INIT(rdatalist->rdata);
+	ISC_LIST_APPEND(rdatalist->rdata, rdata, link);
+	RUNTIME_CHECK(dns_rdatalist_tordataset(rdatalist, rdataset)
+		      == ISC_R_SUCCESS);
 
- done:
-	INSIST(event == NULL);
-	return;
+	return (dns_message_setopt(message, rdataset));
+
+ cleanup:
+	if (rdatalist != NULL)
+		dns_message_puttemprdatalist(message, &rdatalist);
+	if (rdataset != NULL)
+		dns_message_puttemprdataset(message, &rdataset);
+	if (rdata != NULL)
+		dns_message_puttemprdata(message, &rdata);
+
+	return (result);
 }
 
-/*
- * An SOA query has finished (successfully or not).
- */
 static void
-refresh_callback(isc_task_t *task, isc_event_t *event) {
-	const char me[] = "refresh_callback";
-	dns_requestevent_t *revent = (dns_requestevent_t *)event;
-	dns_zone_t *zone;
-	dns_message_t *msg = NULL;
-	isc_uint32_t soacnt, cnamecnt, soacount, nscount;
-	isc_time_t now;
-	char master[ISC_SOCKADDR_FORMATSIZE];
-	char source[ISC_SOCKADDR_FORMATSIZE];
-	dns_rdataset_t *rdataset = NULL;
-	dns_rdata_t rdata = DNS_RDATA_INIT;
-	dns_rdata_soa_t soa;
-	isc_result_t result;
-	isc_uint32_t serial, oldserial;
-	unsigned int j;
+soa_query(isc_task_t *task, isc_event_t *event) {
+	const char me[] = "soa_query";
+	isc_result_t result = ISC_R_FAILURE;
+	dns_message_t *message = NULL;
+	dns_zone_t *zone = event->ev_arg;
+	dns_zone_t *dummy = NULL;
+	isc_netaddr_t masterip;
+	dns_tsigkey_t *key = NULL;
+	isc_uint32_t options;
+	isc_boolean_t cancel = ISC_TRUE;
+	int timeout;
+	isc_boolean_t have_xfrsource, reqnsid;
+	isc_uint16_t udpsize = SEND_BUFFER_SIZE;
 
-	zone = revent->ev_arg;
-	INSIST(DNS_ZONE_VALID(zone));
+	REQUIRE(DNS_ZONE_VALID(zone));
 
 	UNUSED(task);
 
 	ENTER;
 
+	LOCK_ZONE(zone);
+	if (((event->ev_attributes & ISC_EVENTATTR_CANCELED) != 0) ||
+	    DNS_ZONE_FLAG(zone, DNS_ZONEFLG_EXITING) ||
+	    zone->view->requestmgr == NULL) {
+		if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_EXITING))
+			cancel = ISC_FALSE;
+		goto cleanup;
+	}
+
 	/*
-	 * if timeout log and next master;
+	 * XXX Optimisation: Create message when zone is setup and reuse.
 	 */
+	result = create_query(zone, dns_rdatatype_soa, &message);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
 
-	isc_sockaddr_format(&zone->masteraddr, master, sizeof(master));
-	isc_sockaddr_format(&zone->sourceaddr, source, sizeof(source));
+ again:
+	INSIST(zone->masterscnt > 0);
+	INSIST(zone->curmaster < zone->masterscnt);
 
-	TIME_NOW(&now);
+	zone->masteraddr = zone->masters[zone->curmaster];
 
-	if (revent->result != ISC_R_SUCCESS) {
-		if (revent->result == ISC_R_TIMEDOUT &&
-		    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NOEDNS)) {
-			LOCK_ZONE(zone);
-			DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_NOEDNS);
-			UNLOCK_ZONE(zone);
-			dns_zone_log(zone, ISC_LOG_DEBUG(1),
-				     "refresh: timeout retrying without EDNS "
-				     "master %s (source %s)", master, source);
-			goto same_master;
+	isc_netaddr_fromsockaddr(&masterip, &zone->masteraddr);
+	/*
+	 * First, look for a tsig key in the master statement, then
+	 * try for a server key.
+	 */
+	if ((zone->masterkeynames != NULL) &&
+	    (zone->masterkeynames[zone->curmaster] != NULL)) {
+		dns_view_t *view = dns_zone_getview(zone);
+		dns_name_t *keyname = zone->masterkeynames[zone->curmaster];
+		result = dns_view_gettsig(view, keyname, &key);
+		if (result != ISC_R_SUCCESS) {
+			char namebuf[DNS_NAME_FORMATSIZE];
+			dns_name_format(keyname, namebuf, sizeof(namebuf));
+			dns_zone_log(zone, ISC_LOG_ERROR,
+				     "unable to find key: %s", namebuf);
+			goto skip_master;
 		}
-		if (revent->result == ISC_R_TIMEDOUT &&
-		    !dns_request_usedtcp(revent->request)) {
-			dns_zone_log(zone, ISC_LOG_INFO,
-				     "refresh: retry limit for "
-				     "master %s exceeded (source %s)",
-				     master, source);
-			/* Try with slave with TCP. */
-			if (zone->type == dns_zone_slave &&
-			    DNS_ZONE_OPTION(zone, DNS_ZONEOPT_TRYTCPREFRESH)) {
-				if (!dns_zonemgr_unreachable(zone->zmgr,
-							     &zone->masteraddr,
-							     &zone->sourceaddr,
-							     &now)) {
-					LOCK_ZONE(zone);
-					DNS_ZONE_SETFLAG(zone,
-						     DNS_ZONEFLG_SOABEFOREAXFR);
-					UNLOCK_ZONE(zone);
-					goto tcp_transfer;
-				}
-				dns_zone_log(zone, ISC_LOG_DEBUG(1),
-					     "refresh: skipped tcp fallback"
-					     "as master %s (source %s) is "
-					     "unreachable (cached)",
-					      master, source);
-			}
-		} else
-			dns_zone_log(zone, ISC_LOG_INFO,
-				     "refresh: failure trying master "
-				     "%s (source %s): %s", master, source,
-				     dns_result_totext(revent->result));
-		goto next_master;
 	}
+	if (key == NULL) {
+		result = dns_view_getpeertsig(zone->view, &masterip, &key);
+		if (result != ISC_R_SUCCESS && result != ISC_R_NOTFOUND) {
+			char addrbuf[ISC_NETADDR_FORMATSIZE];
+			isc_netaddr_format(&masterip, addrbuf, sizeof(addrbuf));
+			dns_zone_log(zone, ISC_LOG_ERROR,
+				     "unable to find TSIG key for %s", addrbuf);
+			goto skip_master;
+		}
+	}
+
+	have_xfrsource = ISC_FALSE;
+	reqnsid = zone->view->requestnsid;
+	if (zone->view->peers != NULL) {
+		dns_peer_t *peer = NULL;
+		isc_boolean_t edns;
+		result = dns_peerlist_peerbyaddr(zone->view->peers,
+						 &masterip, &peer);
+		if (result == ISC_R_SUCCESS) {
+			result = dns_peer_getsupportedns(peer, &edns);
+			if (result == ISC_R_SUCCESS && !edns)
+				DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_NOEDNS);
+			result = dns_peer_gettransfersource(peer,
+							    &zone->sourceaddr);
+			if (result == ISC_R_SUCCESS)
+				have_xfrsource = ISC_TRUE;
+			if (zone->view->resolver != NULL)
+				udpsize =
+				  dns_resolver_getudpsize(zone->view->resolver);
+			(void)dns_peer_getudpsize(peer, &udpsize);
+			(void)dns_peer_getrequestnsid(peer, &reqnsid);
+		}
+	}
+
+	switch (isc_sockaddr_pf(&zone->masteraddr)) {
+	case PF_INET:
+		if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_USEALTXFRSRC)) {
+			if (isc_sockaddr_equal(&zone->altxfrsource4,
+					       &zone->xfrsource4))
+				goto skip_master;
+			zone->sourceaddr = zone->altxfrsource4;
+		} else if (!have_xfrsource)
+			zone->sourceaddr = zone->xfrsource4;
+		break;
+	case PF_INET6:
+		if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_USEALTXFRSRC)) {
+			if (isc_sockaddr_equal(&zone->altxfrsource6,
+					       &zone->xfrsource6))
+				goto skip_master;
+			zone->sourceaddr = zone->altxfrsource6;
+		} else if (!have_xfrsource)
+			zone->sourceaddr = zone->xfrsource6;
+		break;
+	default:
+		result = ISC_R_NOTIMPLEMENTED;
+		goto cleanup;
+	}
+
+	options = DNS_ZONE_FLAG(zone, DNS_ZONEFLG_USEVC) ?
+		  DNS_REQUESTOPT_TCP : 0;
+
+	if (!DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NOEDNS)) {
+		result = add_opt(message, udpsize, reqnsid);
+		if (result != ISC_R_SUCCESS)
+			zone_debuglog(zone, me, 1,
+				      "unable to add opt record: %s",
+				      dns_result_totext(result));
+	}
+
+	zone_iattach(zone, &dummy);
+	timeout = 15;
+	if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_DIALREFRESH))
+		timeout = 30;
+	result = dns_request_createvia2(zone->view->requestmgr, message,
+					&zone->sourceaddr, &zone->masteraddr,
+					options, key, timeout * 3, timeout,
+					zone->task, refresh_callback, zone,
+					&zone->request);
+	if (result != ISC_R_SUCCESS) {
+		zone_idetach(&dummy);
+		zone_debuglog(zone, me, 1,
+			      "dns_request_createvia2() failed: %s",
+			      dns_result_totext(result));
+		goto cleanup;
+	} else {
+		if (isc_sockaddr_pf(&zone->masteraddr) == PF_INET)
+			inc_stats(zone, dns_zonestatscounter_soaoutv4);
+		else
+			inc_stats(zone, dns_zonestatscounter_soaoutv6);
+	}
+	cancel = ISC_FALSE;
 
-	result = dns_message_create(zone->mctx, DNS_MESSAGE_INTENTPARSE, &msg);
+ cleanup:
+	if (key != NULL)
+		dns_tsigkey_detach(&key);
 	if (result != ISC_R_SUCCESS)
-		goto next_master;
-	result = dns_request_getresponse(revent->request, msg, 0);
-	if (result != ISC_R_SUCCESS) {
-		dns_zone_log(zone, ISC_LOG_INFO,
-			     "refresh: failure trying master "
-			     "%s (source %s): %s", master, source,
-			     dns_result_totext(result));
-		goto next_master;
-	}
+		DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_REFRESH);
+	if (message != NULL)
+		dns_message_destroy(&message);
+	if (cancel)
+		cancel_refresh(zone);
+	isc_event_free(&event);
+	UNLOCK_ZONE(zone);
+	dns_zone_idetach(&zone);
+	return;
 
+ skip_master:
+	if (key != NULL)
+		dns_tsigkey_detach(&key);
 	/*
-	 * Unexpected rcode.
+	 * Skip to next failed / untried master.
 	 */
-	if (msg->rcode != dns_rcode_noerror) {
-		char rcode[128];
-		isc_buffer_t rb;
+	do {
+		zone->curmaster++;
+	} while (zone->curmaster < zone->masterscnt &&
+		 zone->mastersok[zone->curmaster]);
+	if (zone->curmaster < zone->masterscnt)
+		goto again;
+	zone->curmaster = 0;
+	goto cleanup;
+}
 
-		isc_buffer_init(&rb, rcode, sizeof(rcode));
-		(void)dns_rcode_totext(msg->rcode, &rb);
+static void
+ns_query(dns_zone_t *zone, dns_rdataset_t *soardataset, dns_stub_t *stub) {
+	const char me[] = "ns_query";
+	isc_result_t result;
+	dns_message_t *message = NULL;
+	isc_netaddr_t masterip;
+	dns_tsigkey_t *key = NULL;
+	dns_dbnode_t *node = NULL;
+	int timeout;
+	isc_boolean_t have_xfrsource = ISC_FALSE, reqnsid;
+	isc_uint16_t udpsize = SEND_BUFFER_SIZE;
+
+	REQUIRE(DNS_ZONE_VALID(zone));
+	REQUIRE((soardataset != NULL && stub == NULL) ||
+		(soardataset == NULL && stub != NULL));
+	REQUIRE(stub == NULL || DNS_STUB_VALID(stub));
+
+	ENTER;
+
+	LOCK_ZONE(zone);
+	if (stub == NULL) {
+		stub = isc_mem_get(zone->mctx, sizeof(*stub));
+		if (stub == NULL)
+			goto cleanup;
+		stub->magic = STUB_MAGIC;
+		stub->mctx = zone->mctx;
+		stub->zone = NULL;
+		stub->db = NULL;
+		stub->version = NULL;
 
-		if (!DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NOEDNS) &&
-		    (msg->rcode == dns_rcode_servfail ||
-		     msg->rcode == dns_rcode_notimp ||
-		     msg->rcode == dns_rcode_formerr)) {
-			dns_zone_log(zone, ISC_LOG_DEBUG(1),
-				     "refresh: rcode (%.*s) retrying without "
-				     "EDNS master %s (source %s)",
-				     (int)rb.used, rcode, master, source);
-			LOCK_ZONE(zone);
-			DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_NOEDNS);
-			UNLOCK_ZONE(zone);
-			goto same_master;
-		}
-		dns_zone_log(zone, ISC_LOG_INFO,
-			     "refresh: unexpected rcode (%.*s) from "
-			     "master %s (source %s)", (int)rb.used, rcode,
-			     master, source);
 		/*
-		 * Perhaps AXFR/IXFR is allowed even if SOA queries aren't.
+		 * Attach so that the zone won't disappear from under us.
 		 */
-		if (msg->rcode == dns_rcode_refused &&
-		    zone->type == dns_zone_slave)
-			goto tcp_transfer;
-		goto next_master;
-	}
+		zone_iattach(zone, &stub->zone);
 
-	/*
-	 * If truncated punt to zone transfer which will query again.
-	 */
-	if ((msg->flags & DNS_MESSAGEFLAG_TC) != 0) {
-		if (zone->type == dns_zone_slave) {
-			dns_zone_log(zone, ISC_LOG_INFO,
-				     "refresh: truncated UDP answer, "
-				     "initiating TCP zone xfer "
-				     "for master %s (source %s)",
-				     master, source);
-			LOCK_ZONE(zone);
-			DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_SOABEFOREAXFR);
-			UNLOCK_ZONE(zone);
-			goto tcp_transfer;
+		/*
+		 * If a db exists we will update it, otherwise we create a
+		 * new one and attach it to the zone once we have the NS
+		 * RRset and glue.
+		 */
+		ZONEDB_LOCK(&zone->dblock, isc_rwlocktype_read);
+		if (zone->db != NULL) {
+			dns_db_attach(zone->db, &stub->db);
+			ZONEDB_UNLOCK(&zone->dblock, isc_rwlocktype_read);
 		} else {
-			INSIST(zone->type == dns_zone_stub);
-			if (dns_request_usedtcp(revent->request)) {
-				dns_zone_log(zone, ISC_LOG_INFO,
-					     "refresh: truncated TCP response "
-					     "from master %s (source %s)",
-					     master, source);
-				goto next_master;
+			ZONEDB_UNLOCK(&zone->dblock, isc_rwlocktype_read);
+
+			INSIST(zone->db_argc >= 1);
+			result = dns_db_create(zone->mctx, zone->db_argv[0],
+					       &zone->origin, dns_dbtype_stub,
+					       zone->rdclass,
+					       zone->db_argc - 1,
+					       zone->db_argv + 1,
+					       &stub->db);
+			if (result != ISC_R_SUCCESS) {
+				dns_zone_log(zone, ISC_LOG_ERROR,
+					     "refreshing stub: "
+					     "could not create "
+					     "database: %s",
+					     dns_result_totext(result));
+				goto cleanup;
 			}
-			LOCK_ZONE(zone);
-			DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_USEVC);
-			UNLOCK_ZONE(zone);
-			goto same_master;
+			dns_db_settask(stub->db, zone->task);
+		}
+
+		dns_db_newversion(stub->db, &stub->version);
+
+		/*
+		 * Update SOA record.
+		 */
+		result = dns_db_findnode(stub->db, &zone->origin, ISC_TRUE,
+					 &node);
+		if (result != ISC_R_SUCCESS) {
+			dns_zone_log(zone, ISC_LOG_INFO,
+				     "refreshing stub: "
+				     "dns_db_findnode() failed: %s",
+				     dns_result_totext(result));
+			goto cleanup;
+		}
+
+		result = dns_db_addrdataset(stub->db, node, stub->version, 0,
+					    soardataset, 0, NULL);
+		dns_db_detachnode(stub->db, &node);
+		if (result != ISC_R_SUCCESS) {
+			dns_zone_log(zone, ISC_LOG_INFO,
+				     "refreshing stub: "
+				     "dns_db_addrdataset() failed: %s",
+				     dns_result_totext(result));
+			goto cleanup;
 		}
 	}
 
 	/*
-	 * if non-auth log and next master;
+	 * XXX Optimisation: Create message when zone is setup and reuse.
 	 */
-	if ((msg->flags & DNS_MESSAGEFLAG_AA) == 0) {
-		dns_zone_log(zone, ISC_LOG_INFO,
-			     "refresh: non-authoritative answer from "
-			     "master %s (source %s)", master, source);
-		goto next_master;
-	}
+	result = create_query(zone, dns_rdatatype_ns, &message);
 
-	cnamecnt = message_count(msg, DNS_SECTION_ANSWER, dns_rdatatype_cname);
-	soacnt = message_count(msg, DNS_SECTION_ANSWER, dns_rdatatype_soa);
-	nscount = message_count(msg, DNS_SECTION_AUTHORITY, dns_rdatatype_ns);
-	soacount = message_count(msg, DNS_SECTION_AUTHORITY,
-				 dns_rdatatype_soa);
+	INSIST(zone->masterscnt > 0);
+	INSIST(zone->curmaster < zone->masterscnt);
+	zone->masteraddr = zone->masters[zone->curmaster];
 
+	isc_netaddr_fromsockaddr(&masterip, &zone->masteraddr);
 	/*
-	 * There should not be a CNAME record at top of zone.
+	 * First, look for a tsig key in the master statement, then
+	 * try for a server key.
 	 */
-	if (cnamecnt != 0) {
-		dns_zone_log(zone, ISC_LOG_INFO,
-			     "refresh: CNAME at top of zone "
-			     "in master %s (source %s)", master, source);
-		goto next_master;
+	if ((zone->masterkeynames != NULL) &&
+	    (zone->masterkeynames[zone->curmaster] != NULL)) {
+		dns_view_t *view = dns_zone_getview(zone);
+		dns_name_t *keyname = zone->masterkeynames[zone->curmaster];
+		result = dns_view_gettsig(view, keyname, &key);
+		if (result != ISC_R_SUCCESS) {
+			char namebuf[DNS_NAME_FORMATSIZE];
+			dns_name_format(keyname, namebuf, sizeof(namebuf));
+			dns_zone_log(zone, ISC_LOG_ERROR,
+				     "unable to find key: %s", namebuf);
+		}
 	}
+	if (key == NULL)
+		(void)dns_view_getpeertsig(zone->view, &masterip, &key);
 
-	/*
-	 * if referral log and next master;
-	 */
-	if (soacnt == 0 && soacount == 0 && nscount != 0) {
-		dns_zone_log(zone, ISC_LOG_INFO,
-			     "refresh: referral response "
-			     "from master %s (source %s)", master, source);
-		goto next_master;
-	}
+	reqnsid = zone->view->requestnsid;
+	if (zone->view->peers != NULL) {
+		dns_peer_t *peer = NULL;
+		isc_boolean_t edns;
+		result = dns_peerlist_peerbyaddr(zone->view->peers,
+						 &masterip, &peer);
+		if (result == ISC_R_SUCCESS) {
+			result = dns_peer_getsupportedns(peer, &edns);
+			if (result == ISC_R_SUCCESS && !edns)
+				DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_NOEDNS);
+			result = dns_peer_gettransfersource(peer,
+							    &zone->sourceaddr);
+			if (result == ISC_R_SUCCESS)
+				have_xfrsource = ISC_TRUE;
+			if (zone->view->resolver != NULL)
+				udpsize =
+				  dns_resolver_getudpsize(zone->view->resolver);
+			(void)dns_peer_getudpsize(peer, &udpsize);
+			(void)dns_peer_getrequestnsid(peer, &reqnsid);
+		}
 
-	/*
-	 * if nodata log and next master;
-	 */
-	if (soacnt == 0 && (nscount == 0 || soacount != 0)) {
-		dns_zone_log(zone, ISC_LOG_INFO,
-			     "refresh: NODATA response "
-			     "from master %s (source %s)", master, source);
-		goto next_master;
+	}
+	if (!DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NOEDNS)) {
+		result = add_opt(message, udpsize, reqnsid);
+		if (result != ISC_R_SUCCESS)
+			zone_debuglog(zone, me, 1,
+				      "unable to add opt record: %s",
+				      dns_result_totext(result));
 	}
 
 	/*
-	 * Only one soa at top of zone.
+	 * Always use TCP so that we shouldn't truncate in additional section.
 	 */
-	if (soacnt != 1) {
-		dns_zone_log(zone, ISC_LOG_INFO,
-			     "refresh: answer SOA count (%d) != 1 "
-			     "from master %s (source %s)",
-			     soacnt, master, source);
-		goto next_master;
+	switch (isc_sockaddr_pf(&zone->masteraddr)) {
+	case PF_INET:
+		if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_USEALTXFRSRC))
+			zone->sourceaddr = zone->altxfrsource4;
+		else if (!have_xfrsource)
+			zone->sourceaddr = zone->xfrsource4;
+		break;
+	case PF_INET6:
+		if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_USEALTXFRSRC))
+			zone->sourceaddr = zone->altxfrsource6;
+		else if (!have_xfrsource)
+			zone->sourceaddr = zone->xfrsource6;
+		break;
+	default:
+		result = ISC_R_NOTIMPLEMENTED;
+		goto cleanup;
 	}
-	/*
-	 * Extract serial
-	 */
-	rdataset = NULL;
-	result = dns_message_findname(msg, DNS_SECTION_ANSWER, &zone->origin,
-				      dns_rdatatype_soa, dns_rdatatype_none,
-				      NULL, &rdataset);
+	timeout = 15;
+	if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_DIALREFRESH))
+		timeout = 30;
+	result = dns_request_createvia2(zone->view->requestmgr, message,
+					&zone->sourceaddr, &zone->masteraddr,
+					DNS_REQUESTOPT_TCP, key, timeout * 3,
+					timeout, zone->task, stub_callback,
+					stub, &zone->request);
 	if (result != ISC_R_SUCCESS) {
-		dns_zone_log(zone, ISC_LOG_INFO,
-			     "refresh: unable to get SOA record "
-			     "from master %s (source %s)", master, source);
-		goto next_master;
+		zone_debuglog(zone, me, 1,
+			      "dns_request_createvia() failed: %s",
+			      dns_result_totext(result));
+		goto cleanup;
 	}
+	dns_message_destroy(&message);
+	goto unlock;
 
-	result = dns_rdataset_first(rdataset);
-	if (result != ISC_R_SUCCESS) {
-		dns_zone_log(zone, ISC_LOG_INFO,
-			     "refresh: dns_rdataset_first() failed");
-		goto next_master;
+ cleanup:
+	cancel_refresh(zone);
+	if (stub != NULL) {
+		stub->magic = 0;
+		if (stub->version != NULL)
+			dns_db_closeversion(stub->db, &stub->version,
+					    ISC_FALSE);
+		if (stub->db != NULL)
+			dns_db_detach(&stub->db);
+		if (stub->zone != NULL)
+			zone_idetach(&stub->zone);
+		isc_mem_put(stub->mctx, stub, sizeof(*stub));
 	}
+	if (message != NULL)
+		dns_message_destroy(&message);
+  unlock:
+	if (key != NULL)
+		dns_tsigkey_detach(&key);
+	UNLOCK_ZONE(zone);
+	return;
+}
 
-	dns_rdataset_current(rdataset, &rdata);
-	result = dns_rdata_tostruct(&rdata, &soa, NULL);
-	RUNTIME_CHECK(result == ISC_R_SUCCESS);
+/*
+ * Handle the control event.  Note that although this event causes the zone
+ * to shut down, it is not a shutdown event in the sense of the task library.
+ */
+static void
+zone_shutdown(isc_task_t *task, isc_event_t *event) {
+	dns_zone_t *zone = (dns_zone_t *) event->ev_arg;
+	isc_boolean_t free_needed, linked = ISC_FALSE;
 
-	serial = soa.serial;
-	if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_LOADED)) {
-		result = dns_zone_getserial2(zone, &oldserial);
-		RUNTIME_CHECK(result == ISC_R_SUCCESS);
-		zone_debuglog(zone, me, 1, "serial: new %u, old %u",
-			      serial, oldserial);
-	} else
-		zone_debuglog(zone, me, 1, "serial: new %u, old not loaded",
-			      serial);
-	if (!DNS_ZONE_FLAG(zone, DNS_ZONEFLG_LOADED) ||
-	    DNS_ZONE_FLAG(zone, DNS_ZONEFLG_FORCEXFER) ||
-	    isc_serial_gt(serial, oldserial)) {
-		if (dns_zonemgr_unreachable(zone->zmgr, &zone->masteraddr,
-					    &zone->sourceaddr, &now)) {
-			dns_zone_log(zone, ISC_LOG_INFO,
-				     "refresh: skipping %s as master %s "
-				     "(source %s) is unreachable (cached)",
-				     zone->type == dns_zone_slave ?
-				     "zone transfer" : "NS query",
-				     master, source);
-			goto next_master;
-		}
- tcp_transfer:
-		isc_event_free(&event);
-		LOCK_ZONE(zone);
-		dns_request_destroy(&zone->request);
-		UNLOCK_ZONE(zone);
-		if (zone->type == dns_zone_slave) {
-			queue_xfrin(zone);
-		} else {
-			INSIST(zone->type == dns_zone_stub);
-			ns_query(zone, rdataset, NULL);
-		}
-		if (msg != NULL)
-			dns_message_destroy(&msg);
-	} else if (isc_serial_eq(soa.serial, oldserial)) {
-		if (zone->masterfile != NULL) {
-			result = ISC_R_FAILURE;
-			if (zone->journal != NULL)
-				result = isc_file_settime(zone->journal, &now);
-			if (result == ISC_R_SUCCESS &&
-			    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NEEDDUMP) &&
-			    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_DUMPING)) {
-				result = isc_file_settime(zone->masterfile,
-							  &now);
-			} else if (result != ISC_R_SUCCESS)
-				result = isc_file_settime(zone->masterfile,
-							  &now);
-			/* Someone removed the file from underneath us! */
-			if (result == ISC_R_FILENOTFOUND) {
-				LOCK_ZONE(zone);
-				zone_needdump(zone, DNS_DUMP_DELAY);
-				UNLOCK_ZONE(zone);
-			} else if (result != ISC_R_SUCCESS)
-				dns_zone_log(zone, ISC_LOG_ERROR,
-					     "refresh: could not set file "
-					     "modification time of '%s': %s",
-					     zone->masterfile,
-					     dns_result_totext(result));
-		}
-		DNS_ZONE_JITTER_ADD(&now, zone->refresh, &zone->refreshtime);
-		DNS_ZONE_TIME_ADD(&now, zone->expire, &zone->expiretime);
-		zone->mastersok[zone->curmaster] = ISC_TRUE;
-		goto next_master;
-	} else {
-		if (!DNS_ZONE_OPTION(zone, DNS_ZONEOPT_MULTIMASTER))
-			dns_zone_log(zone, ISC_LOG_INFO, "serial number (%u) "
-				     "received from master %s < ours (%u)",
-				     soa.serial, master, oldserial);
-		else
-			zone_debuglog(zone, me, 1, "ahead");
-		zone->mastersok[zone->curmaster] = ISC_TRUE;
-		goto next_master;
-	}
-	if (msg != NULL)
-		dns_message_destroy(&msg);
-	goto detach;
+	UNUSED(task);
+	REQUIRE(DNS_ZONE_VALID(zone));
+	INSIST(event->ev_type == DNS_EVENT_ZONECONTROL);
+	INSIST(isc_refcount_current(&zone->erefs) == 0);
+	zone_debuglog(zone, "zone_shutdown", 3, "shutting down");
 
- next_master:
-	if (msg != NULL)
-		dns_message_destroy(&msg);
-	isc_event_free(&event);
-	LOCK_ZONE(zone);
-	dns_request_destroy(&zone->request);
 	/*
-	 * Skip to next failed / untried master.
+	 * Stop things being restarted after we cancel them below.
 	 */
-	do {
-		zone->curmaster++;
-	} while (zone->curmaster < zone->masterscnt &&
-		 zone->mastersok[zone->curmaster]);
-	DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_NOEDNS);
-	if (zone->curmaster >= zone->masterscnt) {
-		isc_boolean_t done = ISC_TRUE;
-		if (DNS_ZONE_OPTION(zone, DNS_ZONEOPT_USEALTXFRSRC) &&
-		    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_USEALTXFRSRC)) {
-			/*
-			 * Did we get a good answer from all the masters?
-			 */
-			for (j = 0; j < zone->masterscnt; j++)
-				if (zone->mastersok[j] == ISC_FALSE) {
-					done = ISC_FALSE;
-					break;
-				}
-		} else
-			done = ISC_TRUE;
-		if (!done) {
-			DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_USEALTXFRSRC);
-			zone->curmaster = 0;
-			/*
-			 * Find the next failed master.
-			 */
-			while (zone->curmaster < zone->masterscnt &&
-			       zone->mastersok[zone->curmaster])
-				zone->curmaster++;
-			goto requeue;
-		}
-		DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_REFRESH);
-		if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NEEDREFRESH)) {
-			DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_NEEDREFRESH);
-			zone->refreshtime = now;
-		}
-		DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_USEALTXFRSRC);
-		zone_settimer(zone, &now);
-		UNLOCK_ZONE(zone);
-		goto detach;
-	}
-
- requeue:
-	queue_soa_query(zone);
-	UNLOCK_ZONE(zone);
-	goto detach;
-
- same_master:
-	if (msg != NULL)
-		dns_message_destroy(&msg);
-	isc_event_free(&event);
 	LOCK_ZONE(zone);
-	dns_request_destroy(&zone->request);
-	queue_soa_query(zone);
+	DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_EXITING);
 	UNLOCK_ZONE(zone);
 
- detach:
-	dns_zone_idetach(&zone);
-	return;
-}
-
-static void
-queue_soa_query(dns_zone_t *zone) {
-	const char me[] = "queue_soa_query";
-	isc_event_t *e;
-	dns_zone_t *dummy = NULL;
-	isc_result_t result;
+	/*
+	 * If we were waiting for xfrin quota, step out of
+	 * the queue.
+	 * If there's no zone manager, we can't be waiting for the
+	 * xfrin quota
+	 */
+	if (zone->zmgr != NULL) {
+		RWLOCK(&zone->zmgr->rwlock, isc_rwlocktype_write);
+		if (zone->statelist == &zone->zmgr->waiting_for_xfrin) {
+			ISC_LIST_UNLINK(zone->zmgr->waiting_for_xfrin, zone,
+					statelink);
+			linked = ISC_TRUE;
+			zone->statelist = NULL;
+		}
+		RWUNLOCK(&zone->zmgr->rwlock, isc_rwlocktype_write);
+	}
 
-	ENTER;
 	/*
-	 * Locked by caller
+	 * In task context, no locking required.  See zone_xfrdone().
 	 */
-	REQUIRE(LOCKED_ZONE(zone));
+	if (zone->xfr != NULL)
+		dns_xfrin_shutdown(zone->xfr);
 
-	if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_EXITING)) {
-		cancel_refresh(zone);
-		return;
+	LOCK_ZONE(zone);
+	if (linked) {
+		INSIST(zone->irefs > 0);
+		zone->irefs--;
 	}
-
-	e = isc_event_allocate(zone->mctx, NULL, DNS_EVENT_ZONE,
-			       soa_query, zone, sizeof(isc_event_t));
-	if (e == NULL) {
-		cancel_refresh(zone);
-		return;
+	if (zone->request != NULL) {
+		dns_request_cancel(zone->request);
 	}
 
-	/*
-	 * Attach so that we won't clean up
-	 * until the event is delivered.
-	 */
-	zone_iattach(zone, &dummy);
+	if (zone->readio != NULL)
+		zonemgr_cancelio(zone->readio);
 
-	e->ev_arg = zone;
-	e->ev_sender = NULL;
-	result = isc_ratelimiter_enqueue(zone->zmgr->rl, zone->task, &e);
-	if (result != ISC_R_SUCCESS) {
-		zone_idetach(&dummy);
-		isc_event_free(&e);
-		cancel_refresh(zone);
-	}
-}
+	if (zone->lctx != NULL)
+		dns_loadctx_cancel(zone->lctx);
 
-static inline isc_result_t
-create_query(dns_zone_t *zone, dns_rdatatype_t rdtype,
-	     dns_message_t **messagep)
-{
-	dns_message_t *message = NULL;
-	dns_name_t *qname = NULL;
-	dns_rdataset_t *qrdataset = NULL;
-	isc_result_t result;
+	if (!DNS_ZONE_FLAG(zone, DNS_ZONEFLG_FLUSH) ||
+	    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_DUMPING)) {
+		if (zone->writeio != NULL)
+			zonemgr_cancelio(zone->writeio);
 
-	result = dns_message_create(zone->mctx, DNS_MESSAGE_INTENTRENDER,
-				    &message);
-	if (result != ISC_R_SUCCESS)
-		goto cleanup;
+		if (zone->dctx != NULL)
+			dns_dumpctx_cancel(zone->dctx);
+	}
 
-	message->opcode = dns_opcode_query;
-	message->rdclass = zone->rdclass;
+	notify_cancel(zone);
 
-	result = dns_message_gettempname(message, &qname);
-	if (result != ISC_R_SUCCESS)
-		goto cleanup;
+	if (zone->timer != NULL) {
+		isc_timer_detach(&zone->timer);
+		INSIST(zone->irefs > 0);
+		zone->irefs--;
+	}
 
-	result = dns_message_gettemprdataset(message, &qrdataset);
-	if (result != ISC_R_SUCCESS)
-		goto cleanup;
+	if (zone->view != NULL)
+		dns_view_weakdetach(&zone->view);
 
 	/*
-	 * Make question.
+	 * We have now canceled everything set the flag to allow exit_check()
+	 * to succeed.	We must not unlock between setting this flag and
+	 * calling exit_check().
 	 */
-	dns_name_init(qname, NULL);
-	dns_name_clone(&zone->origin, qname);
-	dns_rdataset_init(qrdataset);
-	dns_rdataset_makequestion(qrdataset, zone->rdclass, rdtype);
-	ISC_LIST_APPEND(qname->list, qrdataset, link);
-	dns_message_addname(message, qname, DNS_SECTION_QUESTION);
+	DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_SHUTDOWN);
+	free_needed = exit_check(zone);
+	UNLOCK_ZONE(zone);
+	if (free_needed)
+		zone_free(zone);
+}
 
-	*messagep = message;
-	return (ISC_R_SUCCESS);
+static void
+zone_timer(isc_task_t *task, isc_event_t *event) {
+	const char me[] = "zone_timer";
+	dns_zone_t *zone = (dns_zone_t *)event->ev_arg;
 
- cleanup:
-	if (qname != NULL)
-		dns_message_puttempname(message, &qname);
-	if (qrdataset != NULL)
-		dns_message_puttemprdataset(message, &qrdataset);
-	if (message != NULL)
-		dns_message_destroy(&message);
-	return (result);
+	UNUSED(task);
+	REQUIRE(DNS_ZONE_VALID(zone));
+
+	ENTER;
+
+	zone_maintenance(zone);
+
+	isc_event_free(&event);
 }
 
-static isc_result_t
-add_opt(dns_message_t *message, isc_uint16_t udpsize, isc_boolean_t reqnsid) {
-	dns_rdataset_t *rdataset = NULL;
-	dns_rdatalist_t *rdatalist = NULL;
-	dns_rdata_t *rdata = NULL;
+static void
+zone_settimer(dns_zone_t *zone, isc_time_t *now) {
+	const char me[] = "zone_settimer";
+	isc_time_t next;
 	isc_result_t result;
 
-	result = dns_message_gettemprdatalist(message, &rdatalist);
-	if (result != ISC_R_SUCCESS)
-		goto cleanup;
-	result = dns_message_gettemprdata(message, &rdata);
-	if (result != ISC_R_SUCCESS)
-		goto cleanup;
-	result = dns_message_gettemprdataset(message, &rdataset);
-	if (result != ISC_R_SUCCESS)
-		goto cleanup;
-	dns_rdataset_init(rdataset);
+	ENTER;
+	REQUIRE(DNS_ZONE_VALID(zone));
+	if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_EXITING))
+		return;
 
-	rdatalist->type = dns_rdatatype_opt;
-	rdatalist->covers = 0;
+	isc_time_settoepoch(&next);
 
-	/*
-	 * Set Maximum UDP buffer size.
-	 */
-	rdatalist->rdclass = udpsize;
+	switch (zone->type) {
+	case dns_zone_master:
+		if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NEEDNOTIFY))
+			next = zone->notifytime;
+		if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NEEDDUMP) &&
+		    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_DUMPING)) {
+			INSIST(!isc_time_isepoch(&zone->dumptime));
+			if (isc_time_isepoch(&next) ||
+			    isc_time_compare(&zone->dumptime, &next) < 0)
+				next = zone->dumptime;
+		}
+		if (!DNS_ZONE_FLAG(zone, DNS_ZONEFLG_REFRESHING) &&
+		    !isc_time_isepoch(&zone->refreshkeytime)) {
+			if (isc_time_isepoch(&next) ||
+			    isc_time_compare(&zone->refreshkeytime, &next) < 0)
+				next = zone->refreshkeytime;
+		}
+		if (!isc_time_isepoch(&zone->resigntime)) {
+			if (isc_time_isepoch(&next) ||
+			    isc_time_compare(&zone->resigntime, &next) < 0)
+				next = zone->resigntime;
+		}
+		if (!isc_time_isepoch(&zone->keywarntime)) {
+			if (isc_time_isepoch(&next) ||
+			    isc_time_compare(&zone->keywarntime, &next) < 0)
+				next = zone->keywarntime;
+		}
+		if (!isc_time_isepoch(&zone->signingtime)) {
+			if (isc_time_isepoch(&next) ||
+			    isc_time_compare(&zone->signingtime, &next) < 0)
+				next = zone->signingtime;
+		}
+		if (!isc_time_isepoch(&zone->nsec3chaintime)) {
+			if (isc_time_isepoch(&next) ||
+			    isc_time_compare(&zone->nsec3chaintime, &next) < 0)
+				next = zone->nsec3chaintime;
+		}
+		break;
 
-	/*
-	 * Set EXTENDED-RCODE, VERSION, DO and Z to 0.
-	 */
-	rdatalist->ttl = 0;
+	case dns_zone_slave:
+		if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NEEDNOTIFY))
+			next = zone->notifytime;
+		/*FALLTHROUGH*/
 
-	/* Set EDNS options if applicable */
-	if (reqnsid) {
-		unsigned char data[4];
-		isc_buffer_t buf;
+	case dns_zone_stub:
+		if (!DNS_ZONE_FLAG(zone, DNS_ZONEFLG_REFRESH) &&
+		    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NOMASTERS) &&
+		    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NOREFRESH) &&
+		    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_LOADING)) {
+			INSIST(!isc_time_isepoch(&zone->refreshtime));
+			if (isc_time_isepoch(&next) ||
+			    isc_time_compare(&zone->refreshtime, &next) < 0)
+				next = zone->refreshtime;
+		}
+		if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_LOADED)) {
+			INSIST(!isc_time_isepoch(&zone->expiretime));
+			if (isc_time_isepoch(&next) ||
+			    isc_time_compare(&zone->expiretime, &next) < 0)
+				next = zone->expiretime;
+		}
+		if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NEEDDUMP) &&
+		    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_DUMPING)) {
+			INSIST(!isc_time_isepoch(&zone->dumptime));
+			if (isc_time_isepoch(&next) ||
+			    isc_time_compare(&zone->dumptime, &next) < 0)
+				next = zone->dumptime;
+		}
+		break;
 
-		isc_buffer_init(&buf, data, sizeof(data));
-		isc_buffer_putuint16(&buf, DNS_OPT_NSID);
-		isc_buffer_putuint16(&buf, 0);
-		rdata->data = data;
-		rdata->length = sizeof(data);
+	case dns_zone_key:
+		if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NEEDDUMP) &&
+		    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_DUMPING)) {
+			INSIST(!isc_time_isepoch(&zone->dumptime));
+			if (isc_time_isepoch(&next) ||
+			    isc_time_compare(&zone->dumptime, &next) < 0)
+				next = zone->dumptime;
+		}
+		if (!DNS_ZONE_FLAG(zone, DNS_ZONEFLG_REFRESHING)) {
+			if (isc_time_isepoch(&next) ||
+			    (!isc_time_isepoch(&zone->refreshkeytime) &&
+			    isc_time_compare(&zone->refreshkeytime, &next) < 0))
+				next = zone->refreshkeytime;
+		}
+		break;
+
+	default:
+		break;
+	}
+
+	if (isc_time_isepoch(&next)) {
+		zone_debuglog(zone, me, 10, "settimer inactive");
+		result = isc_timer_reset(zone->timer, isc_timertype_inactive,
+					  NULL, NULL, ISC_TRUE);
+		if (result != ISC_R_SUCCESS)
+			dns_zone_log(zone, ISC_LOG_ERROR,
+				     "could not deactivate zone timer: %s",
+				     isc_result_totext(result));
 	} else {
-		rdata->data = NULL;
-		rdata->length = 0;
+		if (isc_time_compare(&next, now) <= 0)
+			next = *now;
+		result = isc_timer_reset(zone->timer, isc_timertype_once,
+					 &next, NULL, ISC_TRUE);
+		if (result != ISC_R_SUCCESS)
+			dns_zone_log(zone, ISC_LOG_ERROR,
+				     "could not reset zone timer: %s",
+				     isc_result_totext(result));
 	}
+}
 
-	rdata->rdclass = rdatalist->rdclass;
-	rdata->type = rdatalist->type;
-	rdata->flags = 0;
+static void
+cancel_refresh(dns_zone_t *zone) {
+	const char me[] = "cancel_refresh";
+	isc_time_t now;
 
-	ISC_LIST_INIT(rdatalist->rdata);
-	ISC_LIST_APPEND(rdatalist->rdata, rdata, link);
-	RUNTIME_CHECK(dns_rdatalist_tordataset(rdatalist, rdataset)
-		      == ISC_R_SUCCESS);
+	/*
+	 * 'zone' locked by caller.
+	 */
 
-	return (dns_message_setopt(message, rdataset));
+	REQUIRE(DNS_ZONE_VALID(zone));
+	REQUIRE(LOCKED_ZONE(zone));
 
- cleanup:
-	if (rdatalist != NULL)
-		dns_message_puttemprdatalist(message, &rdatalist);
-	if (rdataset != NULL)
-		dns_message_puttemprdataset(message, &rdataset);
-	if (rdata != NULL)
-		dns_message_puttemprdata(message, &rdata);
+	ENTER;
 
-	return (result);
+	DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_REFRESH);
+	TIME_NOW(&now);
+	zone_settimer(zone, &now);
 }
 
-static void
-soa_query(isc_task_t *task, isc_event_t *event) {
-	const char me[] = "soa_query";
-	isc_result_t result = ISC_R_FAILURE;
+static isc_result_t
+notify_createmessage(dns_zone_t *zone, unsigned int flags,
+		     dns_message_t **messagep)
+{
+	dns_db_t *zonedb = NULL;
+	dns_dbnode_t *node = NULL;
+	dns_dbversion_t *version = NULL;
 	dns_message_t *message = NULL;
-	dns_zone_t *zone = event->ev_arg;
-	dns_zone_t *dummy = NULL;
-	isc_netaddr_t masterip;
-	dns_tsigkey_t *key = NULL;
-	isc_uint32_t options;
-	isc_boolean_t cancel = ISC_TRUE;
-	int timeout;
-	isc_boolean_t have_xfrsource, reqnsid;
-	isc_uint16_t udpsize = SEND_BUFFER_SIZE;
+	dns_rdataset_t rdataset;
+	dns_rdata_t rdata = DNS_RDATA_INIT;
+
+	dns_name_t *tempname = NULL;
+	dns_rdata_t *temprdata = NULL;
+	dns_rdatalist_t *temprdatalist = NULL;
+	dns_rdataset_t *temprdataset = NULL;
+
+	isc_result_t result;
+	isc_region_t r;
+	isc_buffer_t *b = NULL;
 
 	REQUIRE(DNS_ZONE_VALID(zone));
+	REQUIRE(messagep != NULL && *messagep == NULL);
 
-	UNUSED(task);
+	result = dns_message_create(zone->mctx, DNS_MESSAGE_INTENTRENDER,
+				    &message);
+	if (result != ISC_R_SUCCESS)
+		return (result);
 
-	ENTER;
+	message->opcode = dns_opcode_notify;
+	message->flags |= DNS_MESSAGEFLAG_AA;
+	message->rdclass = zone->rdclass;
 
-	LOCK_ZONE(zone);
-	if (((event->ev_attributes & ISC_EVENTATTR_CANCELED) != 0) ||
-	    DNS_ZONE_FLAG(zone, DNS_ZONEFLG_EXITING) ||
-	    zone->view->requestmgr == NULL) {
-		if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_EXITING))
-			cancel = ISC_FALSE;
+	result = dns_message_gettempname(message, &tempname);
+	if (result != ISC_R_SUCCESS)
 		goto cleanup;
-	}
 
-	/*
-	 * XXX Optimisation: Create message when zone is setup and reuse.
-	 */
-	result = create_query(zone, dns_rdatatype_soa, &message);
+	result = dns_message_gettemprdataset(message, &temprdataset);
 	if (result != ISC_R_SUCCESS)
 		goto cleanup;
 
- again:
-	INSIST(zone->masterscnt > 0);
-	INSIST(zone->curmaster < zone->masterscnt);
-
-	zone->masteraddr = zone->masters[zone->curmaster];
-
-	isc_netaddr_fromsockaddr(&masterip, &zone->masteraddr);
 	/*
-	 * First, look for a tsig key in the master statement, then
-	 * try for a server key.
+	 * Make question.
 	 */
-	if ((zone->masterkeynames != NULL) &&
-	    (zone->masterkeynames[zone->curmaster] != NULL)) {
-		dns_view_t *view = dns_zone_getview(zone);
-		dns_name_t *keyname = zone->masterkeynames[zone->curmaster];
-		result = dns_view_gettsig(view, keyname, &key);
-		if (result != ISC_R_SUCCESS) {
-			char namebuf[DNS_NAME_FORMATSIZE];
-			dns_name_format(keyname, namebuf, sizeof(namebuf));
-			dns_zone_log(zone, ISC_LOG_ERROR,
-				     "unable to find key: %s", namebuf);
-			goto skip_master;
-		}
-	}
-	if (key == NULL) {
-		result = dns_view_getpeertsig(zone->view, &masterip, &key);
-		if (result != ISC_R_SUCCESS && result != ISC_R_NOTFOUND) {
-			char addrbuf[ISC_NETADDR_FORMATSIZE];
-			isc_netaddr_format(&masterip, addrbuf, sizeof(addrbuf));
-			dns_zone_log(zone, ISC_LOG_ERROR,
-				     "unable to find TSIG key for %s", addrbuf);
-			goto skip_master;
-		}
-	}
+	dns_name_init(tempname, NULL);
+	dns_name_clone(&zone->origin, tempname);
+	dns_rdataset_init(temprdataset);
+	dns_rdataset_makequestion(temprdataset, zone->rdclass,
+				  dns_rdatatype_soa);
+	ISC_LIST_APPEND(tempname->list, temprdataset, link);
+	dns_message_addname(message, tempname, DNS_SECTION_QUESTION);
+	tempname = NULL;
+	temprdataset = NULL;
 
-	have_xfrsource = ISC_FALSE;
-	reqnsid = zone->view->requestnsid;
-	if (zone->view->peers != NULL) {
-		dns_peer_t *peer = NULL;
-		isc_boolean_t edns;
-		result = dns_peerlist_peerbyaddr(zone->view->peers,
-						 &masterip, &peer);
-		if (result == ISC_R_SUCCESS) {
-			result = dns_peer_getsupportedns(peer, &edns);
-			if (result == ISC_R_SUCCESS && !edns)
-				DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_NOEDNS);
-			result = dns_peer_gettransfersource(peer,
-							    &zone->sourceaddr);
-			if (result == ISC_R_SUCCESS)
-				have_xfrsource = ISC_TRUE;
-			if (zone->view->resolver != NULL)
-				udpsize =
-				  dns_resolver_getudpsize(zone->view->resolver);
-			(void)dns_peer_getudpsize(peer, &udpsize);
-			(void)dns_peer_getrequestnsid(peer, &reqnsid);
-		}
-	}
+	if ((flags & DNS_NOTIFY_NOSOA) != 0)
+		goto done;
 
-	switch (isc_sockaddr_pf(&zone->masteraddr)) {
-	case PF_INET:
-		if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_USEALTXFRSRC)) {
-			if (isc_sockaddr_equal(&zone->altxfrsource4,
-					       &zone->xfrsource4))
-				goto skip_master;
-			zone->sourceaddr = zone->altxfrsource4;
-		} else if (!have_xfrsource)
-			zone->sourceaddr = zone->xfrsource4;
-		break;
-	case PF_INET6:
-		if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_USEALTXFRSRC)) {
-			if (isc_sockaddr_equal(&zone->altxfrsource6,
-					       &zone->xfrsource6))
-				goto skip_master;
-			zone->sourceaddr = zone->altxfrsource6;
-		} else if (!have_xfrsource)
-			zone->sourceaddr = zone->xfrsource6;
-		break;
-	default:
-		result = ISC_R_NOTIMPLEMENTED;
-		goto cleanup;
-	}
+	result = dns_message_gettempname(message, &tempname);
+	if (result != ISC_R_SUCCESS)
+		goto soa_cleanup;
+	result = dns_message_gettemprdata(message, &temprdata);
+	if (result != ISC_R_SUCCESS)
+		goto soa_cleanup;
+	result = dns_message_gettemprdataset(message, &temprdataset);
+	if (result != ISC_R_SUCCESS)
+		goto soa_cleanup;
+	result = dns_message_gettemprdatalist(message, &temprdatalist);
+	if (result != ISC_R_SUCCESS)
+		goto soa_cleanup;
 
-	options = DNS_ZONE_FLAG(zone, DNS_ZONEFLG_USEVC) ?
-		  DNS_REQUESTOPT_TCP : 0;
+	ZONEDB_LOCK(&zone->dblock, isc_rwlocktype_read);
+	INSIST(zone->db != NULL); /* XXXJT: is this assumption correct? */
+	dns_db_attach(zone->db, &zonedb);
+	ZONEDB_UNLOCK(&zone->dblock, isc_rwlocktype_read);
 
-	if (!DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NOEDNS)) {
-		result = add_opt(message, udpsize, reqnsid);
-		if (result != ISC_R_SUCCESS)
-			zone_debuglog(zone, me, 1,
-				      "unable to add opt record: %s",
-				      dns_result_totext(result));
-	}
+	dns_name_init(tempname, NULL);
+	dns_name_clone(&zone->origin, tempname);
+	dns_db_currentversion(zonedb, &version);
+	result = dns_db_findnode(zonedb, tempname, ISC_FALSE, &node);
+	if (result != ISC_R_SUCCESS)
+		goto soa_cleanup;
+
+	dns_rdataset_init(&rdataset);
+	result = dns_db_findrdataset(zonedb, node, version,
+				     dns_rdatatype_soa,
+				     dns_rdatatype_none, 0, &rdataset,
+				     NULL);
+	if (result != ISC_R_SUCCESS)
+		goto soa_cleanup;
+	result = dns_rdataset_first(&rdataset);
+	if (result != ISC_R_SUCCESS)
+		goto soa_cleanup;
+	dns_rdataset_current(&rdataset, &rdata);
+	dns_rdata_toregion(&rdata, &r);
+	result = isc_buffer_allocate(zone->mctx, &b, r.length);
+	if (result != ISC_R_SUCCESS)
+		goto soa_cleanup;
+	isc_buffer_putmem(b, r.base, r.length);
+	isc_buffer_usedregion(b, &r);
+	dns_rdata_init(temprdata);
+	dns_rdata_fromregion(temprdata, rdata.rdclass, rdata.type, &r);
+	dns_message_takebuffer(message, &b);
+	result = dns_rdataset_next(&rdataset);
+	dns_rdataset_disassociate(&rdataset);
+	if (result != ISC_R_NOMORE)
+		goto soa_cleanup;
+	temprdatalist->rdclass = rdata.rdclass;
+	temprdatalist->type = rdata.type;
+	temprdatalist->covers = 0;
+	temprdatalist->ttl = rdataset.ttl;
+	ISC_LIST_INIT(temprdatalist->rdata);
+	ISC_LIST_APPEND(temprdatalist->rdata, temprdata, link);
+
+	dns_rdataset_init(temprdataset);
+	result = dns_rdatalist_tordataset(temprdatalist, temprdataset);
+	if (result != ISC_R_SUCCESS)
+		goto soa_cleanup;
+
+	ISC_LIST_APPEND(tempname->list, temprdataset, link);
+	dns_message_addname(message, tempname, DNS_SECTION_ANSWER);
+	temprdatalist = NULL;
+	temprdataset = NULL;
+	temprdata = NULL;
+	tempname = NULL;
+
+ soa_cleanup:
+	if (node != NULL)
+		dns_db_detachnode(zonedb, &node);
+	if (version != NULL)
+		dns_db_closeversion(zonedb, &version, ISC_FALSE);
+	if (zonedb != NULL)
+		dns_db_detach(&zonedb);
+	if (tempname != NULL)
+		dns_message_puttempname(message, &tempname);
+	if (temprdata != NULL)
+		dns_message_puttemprdata(message, &temprdata);
+	if (temprdataset != NULL)
+		dns_message_puttemprdataset(message, &temprdataset);
+	if (temprdatalist != NULL)
+		dns_message_puttemprdatalist(message, &temprdatalist);
 
-	zone_iattach(zone, &dummy);
-	timeout = 15;
-	if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_DIALREFRESH))
-		timeout = 30;
-	result = dns_request_createvia2(zone->view->requestmgr, message,
-					&zone->sourceaddr, &zone->masteraddr,
-					options, key, timeout * 3, timeout,
-					zone->task, refresh_callback, zone,
-					&zone->request);
-	if (result != ISC_R_SUCCESS) {
-		zone_idetach(&dummy);
-		zone_debuglog(zone, me, 1,
-			      "dns_request_createvia2() failed: %s",
-			      dns_result_totext(result));
-		goto cleanup;
-	} else {
-		if (isc_sockaddr_pf(&zone->masteraddr) == PF_INET)
-			inc_stats(zone, dns_zonestatscounter_soaoutv4);
-		else
-			inc_stats(zone, dns_zonestatscounter_soaoutv6);
-	}
-	cancel = ISC_FALSE;
+ done:
+	*messagep = message;
+	return (ISC_R_SUCCESS);
 
  cleanup:
-	if (key != NULL)
-		dns_tsigkey_detach(&key);
-	if (result != ISC_R_SUCCESS)
-		DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_REFRESH);
-	if (message != NULL)
-		dns_message_destroy(&message);
-	if (cancel)
-		cancel_refresh(zone);
-	isc_event_free(&event);
-	UNLOCK_ZONE(zone);
-	dns_zone_idetach(&zone);
-	return;
-
- skip_master:
-	if (key != NULL)
-		dns_tsigkey_detach(&key);
-	/*
-	 * Skip to next failed / untried master.
-	 */
-	do {
-		zone->curmaster++;
-	} while (zone->curmaster < zone->masterscnt &&
-		 zone->mastersok[zone->curmaster]);
-	if (zone->curmaster < zone->masterscnt)
-		goto again;
-	zone->curmaster = 0;
-	goto cleanup;
+	if (tempname != NULL)
+		dns_message_puttempname(message, &tempname);
+	if (temprdataset != NULL)
+		dns_message_puttemprdataset(message, &temprdataset);
+	dns_message_destroy(&message);
+	return (result);
 }
 
-static void
-ns_query(dns_zone_t *zone, dns_rdataset_t *soardataset, dns_stub_t *stub) {
-	const char me[] = "ns_query";
+isc_result_t
+dns_zone_notifyreceive(dns_zone_t *zone, isc_sockaddr_t *from,
+		       dns_message_t *msg)
+{
+	unsigned int i;
+	dns_rdata_soa_t soa;
+	dns_rdataset_t *rdataset = NULL;
+	dns_rdata_t rdata = DNS_RDATA_INIT;
 	isc_result_t result;
-	dns_message_t *message = NULL;
-	isc_netaddr_t masterip;
-	dns_tsigkey_t *key = NULL;
-	dns_dbnode_t *node = NULL;
-	int timeout;
-	isc_boolean_t have_xfrsource = ISC_FALSE, reqnsid;
-	isc_uint16_t udpsize = SEND_BUFFER_SIZE;
+	char fromtext[ISC_SOCKADDR_FORMATSIZE];
+	int match = 0;
+	isc_netaddr_t netaddr;
 
 	REQUIRE(DNS_ZONE_VALID(zone));
-	REQUIRE((soardataset != NULL && stub == NULL) ||
-		(soardataset == NULL && stub != NULL));
-	REQUIRE(stub == NULL || DNS_STUB_VALID(stub));
 
-	ENTER;
+	/*
+	 * If type != T_SOA return DNS_R_NOTIMP.  We don't yet support
+	 * ROLLOVER.
+	 *
+	 * SOA:	RFC1996
+	 * Check that 'from' is a valid notify source, (zone->masters).
+	 *	Return DNS_R_REFUSED if not.
+	 *
+	 * If the notify message contains a serial number check it
+	 * against the zones serial and return if <= current serial
+	 *
+	 * If a refresh check is progress, if so just record the
+	 * fact we received a NOTIFY and from where and return.
+	 * We will perform a new refresh check when the current one
+	 * completes. Return ISC_R_SUCCESS.
+	 *
+	 * Otherwise initiate a refresh check using 'from' as the
+	 * first address to check.  Return ISC_R_SUCCESS.
+	 */
 
-	LOCK_ZONE(zone);
-	if (stub == NULL) {
-		stub = isc_mem_get(zone->mctx, sizeof(*stub));
-		if (stub == NULL)
-			goto cleanup;
-		stub->magic = STUB_MAGIC;
-		stub->mctx = zone->mctx;
-		stub->zone = NULL;
-		stub->db = NULL;
-		stub->version = NULL;
+	isc_sockaddr_format(from, fromtext, sizeof(fromtext));
 
-		/*
-		 * Attach so that the zone won't disappear from under us.
-		 */
-		zone_iattach(zone, &stub->zone);
+	/*
+	 *  We only handle NOTIFY (SOA) at the present.
+	 */
+	LOCK_ZONE(zone);
+	if (isc_sockaddr_pf(from) == PF_INET)
+		inc_stats(zone, dns_zonestatscounter_notifyinv4);
+	else
+		inc_stats(zone, dns_zonestatscounter_notifyinv6);
+	if (msg->counts[DNS_SECTION_QUESTION] == 0 ||
+	    dns_message_findname(msg, DNS_SECTION_QUESTION, &zone->origin,
+				 dns_rdatatype_soa, dns_rdatatype_none,
+				 NULL, NULL) != ISC_R_SUCCESS) {
+		UNLOCK_ZONE(zone);
+		if (msg->counts[DNS_SECTION_QUESTION] == 0) {
+			dns_zone_log(zone, ISC_LOG_NOTICE,
+				     "NOTIFY with no "
+				     "question section from: %s", fromtext);
+			return (DNS_R_FORMERR);
+		}
+		dns_zone_log(zone, ISC_LOG_NOTICE,
+			     "NOTIFY zone does not match");
+		return (DNS_R_NOTIMP);
+	}
 
-		/*
-		 * If a db exists we will update it, otherwise we create a
-		 * new one and attach it to the zone once we have the NS
-		 * RRset and glue.
-		 */
-		ZONEDB_LOCK(&zone->dblock, isc_rwlocktype_read);
-		if (zone->db != NULL) {
-			dns_db_attach(zone->db, &stub->db);
-			ZONEDB_UNLOCK(&zone->dblock, isc_rwlocktype_read);
-		} else {
-			ZONEDB_UNLOCK(&zone->dblock, isc_rwlocktype_read);
+	/*
+	 * If we are a master zone just succeed.
+	 */
+	if (zone->type == dns_zone_master) {
+		UNLOCK_ZONE(zone);
+		return (ISC_R_SUCCESS);
+	}
 
-			INSIST(zone->db_argc >= 1);
-			result = dns_db_create(zone->mctx, zone->db_argv[0],
-					       &zone->origin, dns_dbtype_stub,
-					       zone->rdclass,
-					       zone->db_argc - 1,
-					       zone->db_argv + 1,
-					       &stub->db);
-			if (result != ISC_R_SUCCESS) {
-				dns_zone_log(zone, ISC_LOG_ERROR,
-					     "refreshing stub: "
-					     "could not create "
-					     "database: %s",
-					     dns_result_totext(result));
-				goto cleanup;
-			}
-			dns_db_settask(stub->db, zone->task);
+	isc_netaddr_fromsockaddr(&netaddr, from);
+	for (i = 0; i < zone->masterscnt; i++) {
+		if (isc_sockaddr_eqaddr(from, &zone->masters[i]))
+			break;
+		if (zone->view->aclenv.match_mapped &&
+		    IN6_IS_ADDR_V4MAPPED(&from->type.sin6.sin6_addr) &&
+		    isc_sockaddr_pf(&zone->masters[i]) == AF_INET) {
+			isc_netaddr_t na1, na2;
+			isc_netaddr_fromv4mapped(&na1, &netaddr);
+			isc_netaddr_fromsockaddr(&na2, &zone->masters[i]);
+			if (isc_netaddr_equal(&na1, &na2))
+				break;
 		}
+	}
 
-		dns_db_newversion(stub->db, &stub->version);
+	/*
+	 * Accept notify requests from non masters if they are on
+	 * 'zone->notify_acl'.
+	 */
+	if (i >= zone->masterscnt && zone->notify_acl != NULL &&
+	    dns_acl_match(&netaddr, NULL, zone->notify_acl,
+			  &zone->view->aclenv,
+			  &match, NULL) == ISC_R_SUCCESS &&
+	    match > 0)
+	{
+		/* Accept notify. */
+	} else if (i >= zone->masterscnt) {
+		UNLOCK_ZONE(zone);
+		dns_zone_log(zone, ISC_LOG_INFO,
+			     "refused notify from non-master: %s", fromtext);
+		inc_stats(zone, dns_zonestatscounter_notifyrej);
+		return (DNS_R_REFUSED);
+	}
 
-		/*
-		 * Update SOA record.
-		 */
-		result = dns_db_findnode(stub->db, &zone->origin, ISC_TRUE,
-					 &node);
-		if (result != ISC_R_SUCCESS) {
-			dns_zone_log(zone, ISC_LOG_INFO,
-				     "refreshing stub: "
-				     "dns_db_findnode() failed: %s",
-				     dns_result_totext(result));
-			goto cleanup;
-		}
+	/*
+	 * If the zone is loaded and there are answers check the serial
+	 * to see if we need to do a refresh.  Do not worry about this
+	 * check if we are a dialup zone as we use the notify request
+	 * to trigger a refresh check.
+	 */
+	if (msg->counts[DNS_SECTION_ANSWER] > 0 &&
+	    DNS_ZONE_FLAG(zone, DNS_ZONEFLG_LOADED) &&
+	    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NOREFRESH)) {
+		result = dns_message_findname(msg, DNS_SECTION_ANSWER,
+					      &zone->origin,
+					      dns_rdatatype_soa,
+					      dns_rdatatype_none, NULL,
+					      &rdataset);
+		if (result == ISC_R_SUCCESS)
+			result = dns_rdataset_first(rdataset);
+		if (result == ISC_R_SUCCESS) {
+			isc_uint32_t serial = 0, oldserial;
 
-		result = dns_db_addrdataset(stub->db, node, stub->version, 0,
-					    soardataset, 0, NULL);
-		dns_db_detachnode(stub->db, &node);
-		if (result != ISC_R_SUCCESS) {
-			dns_zone_log(zone, ISC_LOG_INFO,
-				     "refreshing stub: "
-				     "dns_db_addrdataset() failed: %s",
-				     dns_result_totext(result));
-			goto cleanup;
+			dns_rdataset_current(rdataset, &rdata);
+			result = dns_rdata_tostruct(&rdata, &soa, NULL);
+			RUNTIME_CHECK(result == ISC_R_SUCCESS);
+			serial = soa.serial;
+			/*
+			 * The following should safely be performed without DB
+			 * lock and succeed in this context.
+			 */
+			result = zone_get_from_db(zone, zone->db, NULL, NULL,
+						  &oldserial, NULL, NULL, NULL,
+						  NULL, NULL);
+			RUNTIME_CHECK(result == ISC_R_SUCCESS);
+			if (isc_serial_le(serial, oldserial)) {
+				dns_zone_log(zone,
+					     ISC_LOG_INFO,
+					     "notify from %s: "
+					     "zone is up to date",
+					     fromtext);
+				UNLOCK_ZONE(zone);
+				return (ISC_R_SUCCESS);
+			}
 		}
 	}
 
 	/*
-	 * XXX Optimisation: Create message when zone is setup and reuse.
+	 * If we got this far and there was a refresh in progress just
+	 * let it complete.  Record where we got the notify from so we
+	 * can perform a refresh check when the current one completes
 	 */
-	result = create_query(zone, dns_rdatatype_ns, &message);
+	if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_REFRESH)) {
+		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_NEEDREFRESH);
+		zone->notifyfrom = *from;
+		UNLOCK_ZONE(zone);
+		dns_zone_log(zone, ISC_LOG_INFO,
+			     "notify from %s: refresh in progress, "
+			     "refresh check queued",
+			     fromtext);
+		return (ISC_R_SUCCESS);
+	}
+	zone->notifyfrom = *from;
+	UNLOCK_ZONE(zone);
+	dns_zone_refresh(zone);
+	return (ISC_R_SUCCESS);
+}
 
-	INSIST(zone->masterscnt > 0);
-	INSIST(zone->curmaster < zone->masterscnt);
-	zone->masteraddr = zone->masters[zone->curmaster];
+void
+dns_zone_setnotifyacl(dns_zone_t *zone, dns_acl_t *acl) {
 
-	isc_netaddr_fromsockaddr(&masterip, &zone->masteraddr);
-	/*
-	 * First, look for a tsig key in the master statement, then
-	 * try for a server key.
-	 */
-	if ((zone->masterkeynames != NULL) &&
-	    (zone->masterkeynames[zone->curmaster] != NULL)) {
-		dns_view_t *view = dns_zone_getview(zone);
-		dns_name_t *keyname = zone->masterkeynames[zone->curmaster];
-		result = dns_view_gettsig(view, keyname, &key);
-		if (result != ISC_R_SUCCESS) {
-			char namebuf[DNS_NAME_FORMATSIZE];
-			dns_name_format(keyname, namebuf, sizeof(namebuf));
-			dns_zone_log(zone, ISC_LOG_ERROR,
-				     "unable to find key: %s", namebuf);
-		}
-	}
-	if (key == NULL)
-		(void)dns_view_getpeertsig(zone->view, &masterip, &key);
+	REQUIRE(DNS_ZONE_VALID(zone));
 
-	reqnsid = zone->view->requestnsid;
-	if (zone->view->peers != NULL) {
-		dns_peer_t *peer = NULL;
-		isc_boolean_t edns;
-		result = dns_peerlist_peerbyaddr(zone->view->peers,
-						 &masterip, &peer);
-		if (result == ISC_R_SUCCESS) {
-			result = dns_peer_getsupportedns(peer, &edns);
-			if (result == ISC_R_SUCCESS && !edns)
-				DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_NOEDNS);
-			result = dns_peer_gettransfersource(peer,
-							    &zone->sourceaddr);
-			if (result == ISC_R_SUCCESS)
-				have_xfrsource = ISC_TRUE;
-			if (zone->view->resolver != NULL)
-				udpsize =
-				  dns_resolver_getudpsize(zone->view->resolver);
-			(void)dns_peer_getudpsize(peer, &udpsize);
-			(void)dns_peer_getrequestnsid(peer, &reqnsid);
-		}
+	LOCK_ZONE(zone);
+	if (zone->notify_acl != NULL)
+		dns_acl_detach(&zone->notify_acl);
+	dns_acl_attach(acl, &zone->notify_acl);
+	UNLOCK_ZONE(zone);
+}
 
-	}
-	if (!DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NOEDNS)) {
-		result = add_opt(message, udpsize, reqnsid);
-		if (result != ISC_R_SUCCESS)
-			zone_debuglog(zone, me, 1,
-				      "unable to add opt record: %s",
-				      dns_result_totext(result));
-	}
+void
+dns_zone_setqueryacl(dns_zone_t *zone, dns_acl_t *acl) {
 
-	/*
-	 * Always use TCP so that we shouldn't truncate in additional section.
-	 */
-	switch (isc_sockaddr_pf(&zone->masteraddr)) {
-	case PF_INET:
-		if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_USEALTXFRSRC))
-			zone->sourceaddr = zone->altxfrsource4;
-		else if (!have_xfrsource)
-			zone->sourceaddr = zone->xfrsource4;
-		break;
-	case PF_INET6:
-		if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_USEALTXFRSRC))
-			zone->sourceaddr = zone->altxfrsource6;
-		else if (!have_xfrsource)
-			zone->sourceaddr = zone->xfrsource6;
-		break;
-	default:
-		result = ISC_R_NOTIMPLEMENTED;
-		goto cleanup;
-	}
-	timeout = 15;
-	if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_DIALREFRESH))
-		timeout = 30;
-	result = dns_request_createvia2(zone->view->requestmgr, message,
-					&zone->sourceaddr, &zone->masteraddr,
-					DNS_REQUESTOPT_TCP, key, timeout * 3,
-					timeout, zone->task, stub_callback,
-					stub, &zone->request);
-	if (result != ISC_R_SUCCESS) {
-		zone_debuglog(zone, me, 1,
-			      "dns_request_createvia() failed: %s",
-			      dns_result_totext(result));
-		goto cleanup;
-	}
-	dns_message_destroy(&message);
-	goto unlock;
+	REQUIRE(DNS_ZONE_VALID(zone));
 
- cleanup:
-	cancel_refresh(zone);
-	if (stub != NULL) {
-		stub->magic = 0;
-		if (stub->version != NULL)
-			dns_db_closeversion(stub->db, &stub->version,
-					    ISC_FALSE);
-		if (stub->db != NULL)
-			dns_db_detach(&stub->db);
-		if (stub->zone != NULL)
-			zone_idetach(&stub->zone);
-		isc_mem_put(stub->mctx, stub, sizeof(*stub));
-	}
-	if (message != NULL)
-		dns_message_destroy(&message);
-  unlock:
-	if (key != NULL)
-		dns_tsigkey_detach(&key);
+	LOCK_ZONE(zone);
+	if (zone->query_acl != NULL)
+		dns_acl_detach(&zone->query_acl);
+	dns_acl_attach(acl, &zone->query_acl);
 	UNLOCK_ZONE(zone);
-	return;
 }
 
-/*
- * Handle the control event.  Note that although this event causes the zone
- * to shut down, it is not a shutdown event in the sense of the task library.
- */
-static void
-zone_shutdown(isc_task_t *task, isc_event_t *event) {
-	dns_zone_t *zone = (dns_zone_t *) event->ev_arg;
-	isc_boolean_t free_needed, linked = ISC_FALSE;
+void
+dns_zone_setqueryonacl(dns_zone_t *zone, dns_acl_t *acl) {
 
-	UNUSED(task);
 	REQUIRE(DNS_ZONE_VALID(zone));
-	INSIST(event->ev_type == DNS_EVENT_ZONECONTROL);
-	INSIST(isc_refcount_current(&zone->erefs) == 0);
-	zone_debuglog(zone, "zone_shutdown", 3, "shutting down");
 
-	/*
-	 * Stop things being restarted after we cancel them below.
-	 */
 	LOCK_ZONE(zone);
-	DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_EXITING);
+	if (zone->queryon_acl != NULL)
+		dns_acl_detach(&zone->queryon_acl);
+	dns_acl_attach(acl, &zone->queryon_acl);
 	UNLOCK_ZONE(zone);
+}
 
-	/*
-	 * If we were waiting for xfrin quota, step out of
-	 * the queue.
-	 * If there's no zone manager, we can't be waiting for the
-	 * xfrin quota
-	 */
-	if (zone->zmgr != NULL) {
-		RWLOCK(&zone->zmgr->rwlock, isc_rwlocktype_write);
-		if (zone->statelist == &zone->zmgr->waiting_for_xfrin) {
-			ISC_LIST_UNLINK(zone->zmgr->waiting_for_xfrin, zone,
-					statelink);
-			linked = ISC_TRUE;
-			zone->statelist = NULL;
-		}
-		RWUNLOCK(&zone->zmgr->rwlock, isc_rwlocktype_write);
-	}
+void
+dns_zone_setupdateacl(dns_zone_t *zone, dns_acl_t *acl) {
 
-	/*
-	 * In task context, no locking required.  See zone_xfrdone().
-	 */
-	if (zone->xfr != NULL)
-		dns_xfrin_shutdown(zone->xfr);
+	REQUIRE(DNS_ZONE_VALID(zone));
 
 	LOCK_ZONE(zone);
-	if (linked) {
-		INSIST(zone->irefs > 0);
-		zone->irefs--;
-	}
-	if (zone->request != NULL) {
-		dns_request_cancel(zone->request);
-	}
+	if (zone->update_acl != NULL)
+		dns_acl_detach(&zone->update_acl);
+	dns_acl_attach(acl, &zone->update_acl);
+	UNLOCK_ZONE(zone);
+}
 
-	if (zone->readio != NULL)
-		zonemgr_cancelio(zone->readio);
+void
+dns_zone_setforwardacl(dns_zone_t *zone, dns_acl_t *acl) {
 
-	if (zone->lctx != NULL)
-		dns_loadctx_cancel(zone->lctx);
+	REQUIRE(DNS_ZONE_VALID(zone));
 
-	if (!DNS_ZONE_FLAG(zone, DNS_ZONEFLG_FLUSH) ||
-	    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_DUMPING)) {
-		if (zone->writeio != NULL)
-			zonemgr_cancelio(zone->writeio);
+	LOCK_ZONE(zone);
+	if (zone->forward_acl != NULL)
+		dns_acl_detach(&zone->forward_acl);
+	dns_acl_attach(acl, &zone->forward_acl);
+	UNLOCK_ZONE(zone);
+}
 
-		if (zone->dctx != NULL)
-			dns_dumpctx_cancel(zone->dctx);
-	}
+void
+dns_zone_setxfracl(dns_zone_t *zone, dns_acl_t *acl) {
 
-	notify_cancel(zone);
+	REQUIRE(DNS_ZONE_VALID(zone));
 
-	if (zone->timer != NULL) {
-		isc_timer_detach(&zone->timer);
-		INSIST(zone->irefs > 0);
-		zone->irefs--;
-	}
+	LOCK_ZONE(zone);
+	if (zone->xfr_acl != NULL)
+		dns_acl_detach(&zone->xfr_acl);
+	dns_acl_attach(acl, &zone->xfr_acl);
+	UNLOCK_ZONE(zone);
+}
 
-	if (zone->view != NULL)
-		dns_view_weakdetach(&zone->view);
+dns_acl_t *
+dns_zone_getnotifyacl(dns_zone_t *zone) {
 
-	/*
-	 * We have now canceled everything set the flag to allow exit_check()
-	 * to succeed.  We must not unlock between setting this flag and
-	 * calling exit_check().
-	 */
-	DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_SHUTDOWN);
-	free_needed = exit_check(zone);
-	UNLOCK_ZONE(zone);
-	if (free_needed)
-		zone_free(zone);
+	REQUIRE(DNS_ZONE_VALID(zone));
+
+	return (zone->notify_acl);
 }
 
-static void
-zone_timer(isc_task_t *task, isc_event_t *event) {
-	const char me[] = "zone_timer";
-	dns_zone_t *zone = (dns_zone_t *)event->ev_arg;
+dns_acl_t *
+dns_zone_getqueryacl(dns_zone_t *zone) {
 
-	UNUSED(task);
 	REQUIRE(DNS_ZONE_VALID(zone));
 
-	ENTER;
+	return (zone->query_acl);
+}
 
-	zone_maintenance(zone);
+dns_acl_t *
+dns_zone_getqueryonacl(dns_zone_t *zone) {
 
-	isc_event_free(&event);
+	REQUIRE(DNS_ZONE_VALID(zone));
+
+	return (zone->queryon_acl);
 }
 
-static void
-zone_settimer(dns_zone_t *zone, isc_time_t *now) {
-	const char me[] = "zone_settimer";
-	isc_time_t next;
-	isc_result_t result;
+dns_acl_t *
+dns_zone_getupdateacl(dns_zone_t *zone) {
 
 	REQUIRE(DNS_ZONE_VALID(zone));
-	if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_EXITING))
-		return;
 
-	isc_time_settoepoch(&next);
+	return (zone->update_acl);
+}
 
-	switch (zone->type) {
-	case dns_zone_master:
-		if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NEEDNOTIFY))
-			next = zone->notifytime;
-		if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NEEDDUMP) &&
-		    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_DUMPING)) {
-			INSIST(!isc_time_isepoch(&zone->dumptime));
-			if (isc_time_isepoch(&next) ||
-			    isc_time_compare(&zone->dumptime, &next) < 0)
-				next = zone->dumptime;
-		}
-		if (!isc_time_isepoch(&zone->resigntime)) {
-			if (isc_time_isepoch(&next) ||
-			    isc_time_compare(&zone->resigntime, &next) < 0)
-				next = zone->resigntime;
-		}
-		if (!isc_time_isepoch(&zone->keywarntime)) {
-			if (isc_time_isepoch(&next) ||
-			    isc_time_compare(&zone->keywarntime, &next) < 0)
-				next = zone->keywarntime;
-		}
-		if (!isc_time_isepoch(&zone->signingtime)) {
-			if (isc_time_isepoch(&next) ||
-			    isc_time_compare(&zone->signingtime, &next) < 0)
-				next = zone->signingtime;
-		}
-		if (!isc_time_isepoch(&zone->nsec3chaintime)) {
-			if (isc_time_isepoch(&next) ||
-			    isc_time_compare(&zone->nsec3chaintime, &next) < 0)
-				next = zone->nsec3chaintime;
-		}
-		break;
+dns_acl_t *
+dns_zone_getforwardacl(dns_zone_t *zone) {
 
-	case dns_zone_slave:
-		if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NEEDNOTIFY))
-			next = zone->notifytime;
-		/*FALLTHROUGH*/
+	REQUIRE(DNS_ZONE_VALID(zone));
 
-	case dns_zone_stub:
-		if (!DNS_ZONE_FLAG(zone, DNS_ZONEFLG_REFRESH) &&
-		    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NOMASTERS) &&
-		    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NOREFRESH) &&
-		    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_LOADING)) {
-			INSIST(!isc_time_isepoch(&zone->refreshtime));
-			if (isc_time_isepoch(&next) ||
-			    isc_time_compare(&zone->refreshtime, &next) < 0)
-				next = zone->refreshtime;
-		}
-		if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_LOADED)) {
-			INSIST(!isc_time_isepoch(&zone->expiretime));
-			if (isc_time_isepoch(&next) ||
-			    isc_time_compare(&zone->expiretime, &next) < 0)
-				next = zone->expiretime;
-		}
-		if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NEEDDUMP) &&
-		    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_DUMPING)) {
-			INSIST(!isc_time_isepoch(&zone->dumptime));
-			if (isc_time_isepoch(&next) ||
-			    isc_time_compare(&zone->dumptime, &next) < 0)
-				next = zone->dumptime;
-		}
-		break;
+	return (zone->forward_acl);
+}
 
-	default:
-		break;
-	}
+dns_acl_t *
+dns_zone_getxfracl(dns_zone_t *zone) {
 
-	if (isc_time_isepoch(&next)) {
-		zone_debuglog(zone, me, 10, "settimer inactive");
-		result = isc_timer_reset(zone->timer, isc_timertype_inactive,
-					  NULL, NULL, ISC_TRUE);
-		if (result != ISC_R_SUCCESS)
-			dns_zone_log(zone, ISC_LOG_ERROR,
-				     "could not deactivate zone timer: %s",
-				     isc_result_totext(result));
-	} else {
-		if (isc_time_compare(&next, now) <= 0)
-			next = *now;
-		result = isc_timer_reset(zone->timer, isc_timertype_once,
-					 &next, NULL, ISC_TRUE);
-		if (result != ISC_R_SUCCESS)
-			dns_zone_log(zone, ISC_LOG_ERROR,
-				     "could not reset zone timer: %s",
-				     isc_result_totext(result));
-	}
+	REQUIRE(DNS_ZONE_VALID(zone));
+
+	return (zone->xfr_acl);
 }
 
-static void
-cancel_refresh(dns_zone_t *zone) {
-	const char me[] = "cancel_refresh";
-	isc_time_t now;
+void
+dns_zone_clearupdateacl(dns_zone_t *zone) {
 
-	/*
-	 * 'zone' locked by caller.
-	 */
+	REQUIRE(DNS_ZONE_VALID(zone));
+
+	LOCK_ZONE(zone);
+	if (zone->update_acl != NULL)
+		dns_acl_detach(&zone->update_acl);
+	UNLOCK_ZONE(zone);
+}
+
+void
+dns_zone_clearforwardacl(dns_zone_t *zone) {
 
 	REQUIRE(DNS_ZONE_VALID(zone));
-	REQUIRE(LOCKED_ZONE(zone));
 
-	ENTER;
+	LOCK_ZONE(zone);
+	if (zone->forward_acl != NULL)
+		dns_acl_detach(&zone->forward_acl);
+	UNLOCK_ZONE(zone);
+}
 
-	DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_REFRESH);
-	TIME_NOW(&now);
-	zone_settimer(zone, &now);
+void
+dns_zone_clearnotifyacl(dns_zone_t *zone) {
+
+	REQUIRE(DNS_ZONE_VALID(zone));
+
+	LOCK_ZONE(zone);
+	if (zone->notify_acl != NULL)
+		dns_acl_detach(&zone->notify_acl);
+	UNLOCK_ZONE(zone);
 }
 
-static isc_result_t
-notify_createmessage(dns_zone_t *zone, unsigned int flags,
-		     dns_message_t **messagep)
-{
-	dns_db_t *zonedb = NULL;
-	dns_dbnode_t *node = NULL;
-	dns_dbversion_t *version = NULL;
-	dns_message_t *message = NULL;
-	dns_rdataset_t rdataset;
-	dns_rdata_t rdata = DNS_RDATA_INIT;
+void
+dns_zone_clearqueryacl(dns_zone_t *zone) {
 
-	dns_name_t *tempname = NULL;
-	dns_rdata_t *temprdata = NULL;
-	dns_rdatalist_t *temprdatalist = NULL;
-	dns_rdataset_t *temprdataset = NULL;
+	REQUIRE(DNS_ZONE_VALID(zone));
 
-	isc_result_t result;
-	isc_region_t r;
-	isc_buffer_t *b = NULL;
+	LOCK_ZONE(zone);
+	if (zone->query_acl != NULL)
+		dns_acl_detach(&zone->query_acl);
+	UNLOCK_ZONE(zone);
+}
+
+void
+dns_zone_clearqueryonacl(dns_zone_t *zone) {
 
 	REQUIRE(DNS_ZONE_VALID(zone));
-	REQUIRE(messagep != NULL && *messagep == NULL);
 
-	result = dns_message_create(zone->mctx, DNS_MESSAGE_INTENTRENDER,
-				    &message);
-	if (result != ISC_R_SUCCESS)
-		return (result);
+	LOCK_ZONE(zone);
+	if (zone->queryon_acl != NULL)
+		dns_acl_detach(&zone->queryon_acl);
+	UNLOCK_ZONE(zone);
+}
 
-	message->opcode = dns_opcode_notify;
-	message->flags |= DNS_MESSAGEFLAG_AA;
-	message->rdclass = zone->rdclass;
+void
+dns_zone_clearxfracl(dns_zone_t *zone) {
 
-	result = dns_message_gettempname(message, &tempname);
-	if (result != ISC_R_SUCCESS)
-		goto cleanup;
+	REQUIRE(DNS_ZONE_VALID(zone));
 
-	result = dns_message_gettemprdataset(message, &temprdataset);
-	if (result != ISC_R_SUCCESS)
-		goto cleanup;
+	LOCK_ZONE(zone);
+	if (zone->xfr_acl != NULL)
+		dns_acl_detach(&zone->xfr_acl);
+	UNLOCK_ZONE(zone);
+}
 
-	/*
-	 * Make question.
-	 */
-	dns_name_init(tempname, NULL);
-	dns_name_clone(&zone->origin, tempname);
-	dns_rdataset_init(temprdataset);
-	dns_rdataset_makequestion(temprdataset, zone->rdclass,
-				  dns_rdatatype_soa);
-	ISC_LIST_APPEND(tempname->list, temprdataset, link);
-	dns_message_addname(message, tempname, DNS_SECTION_QUESTION);
-	tempname = NULL;
-	temprdataset = NULL;
+isc_boolean_t
+dns_zone_getupdatedisabled(dns_zone_t *zone) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+	return (zone->update_disabled);
 
-	if ((flags & DNS_NOTIFY_NOSOA) != 0)
-		goto done;
+}
 
-	result = dns_message_gettempname(message, &tempname);
-	if (result != ISC_R_SUCCESS)
-		goto soa_cleanup;
-	result = dns_message_gettemprdata(message, &temprdata);
-	if (result != ISC_R_SUCCESS)
-		goto soa_cleanup;
-	result = dns_message_gettemprdataset(message, &temprdataset);
-	if (result != ISC_R_SUCCESS)
-		goto soa_cleanup;
-	result = dns_message_gettemprdatalist(message, &temprdatalist);
-	if (result != ISC_R_SUCCESS)
-		goto soa_cleanup;
+void
+dns_zone_setupdatedisabled(dns_zone_t *zone, isc_boolean_t state) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+	zone->update_disabled = state;
+}
+
+isc_boolean_t
+dns_zone_getzeronosoattl(dns_zone_t *zone) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+	return (zone->zero_no_soa_ttl);
+
+}
 
-	ZONEDB_LOCK(&zone->dblock, isc_rwlocktype_read);
-	INSIST(zone->db != NULL); /* XXXJT: is this assumption correct? */
-	dns_db_attach(zone->db, &zonedb);
-	ZONEDB_UNLOCK(&zone->dblock, isc_rwlocktype_read);
+void
+dns_zone_setzeronosoattl(dns_zone_t *zone, isc_boolean_t state) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+	zone->zero_no_soa_ttl = state;
+}
 
-	dns_name_init(tempname, NULL);
-	dns_name_clone(&zone->origin, tempname);
-	dns_db_currentversion(zonedb, &version);
-	result = dns_db_findnode(zonedb, tempname, ISC_FALSE, &node);
-	if (result != ISC_R_SUCCESS)
-		goto soa_cleanup;
+void
+dns_zone_setchecknames(dns_zone_t *zone, dns_severity_t severity) {
 
-	dns_rdataset_init(&rdataset);
-	result = dns_db_findrdataset(zonedb, node, version,
-				     dns_rdatatype_soa,
-				     dns_rdatatype_none, 0, &rdataset,
-				     NULL);
-	if (result != ISC_R_SUCCESS)
-		goto soa_cleanup;
-	result = dns_rdataset_first(&rdataset);
-	if (result != ISC_R_SUCCESS)
-		goto soa_cleanup;
-	dns_rdataset_current(&rdataset, &rdata);
-	dns_rdata_toregion(&rdata, &r);
-	result = isc_buffer_allocate(zone->mctx, &b, r.length);
-	if (result != ISC_R_SUCCESS)
-		goto soa_cleanup;
-	isc_buffer_putmem(b, r.base, r.length);
-	isc_buffer_usedregion(b, &r);
-	dns_rdata_init(temprdata);
-	dns_rdata_fromregion(temprdata, rdata.rdclass, rdata.type, &r);
-	dns_message_takebuffer(message, &b);
-	result = dns_rdataset_next(&rdataset);
-	dns_rdataset_disassociate(&rdataset);
-	if (result != ISC_R_NOMORE)
-		goto soa_cleanup;
-	temprdatalist->rdclass = rdata.rdclass;
-	temprdatalist->type = rdata.type;
-	temprdatalist->covers = 0;
-	temprdatalist->ttl = rdataset.ttl;
-	ISC_LIST_INIT(temprdatalist->rdata);
-	ISC_LIST_APPEND(temprdatalist->rdata, temprdata, link);
+	REQUIRE(DNS_ZONE_VALID(zone));
 
-	dns_rdataset_init(temprdataset);
-	result = dns_rdatalist_tordataset(temprdatalist, temprdataset);
-	if (result != ISC_R_SUCCESS)
-		goto soa_cleanup;
+	zone->check_names = severity;
+}
 
-	ISC_LIST_APPEND(tempname->list, temprdataset, link);
-	dns_message_addname(message, tempname, DNS_SECTION_ANSWER);
-	temprdatalist = NULL;
-	temprdataset = NULL;
-	temprdata = NULL;
-	tempname = NULL;
+dns_severity_t
+dns_zone_getchecknames(dns_zone_t *zone) {
 
- soa_cleanup:
-	if (node != NULL)
-		dns_db_detachnode(zonedb, &node);
-	if (version != NULL)
-		dns_db_closeversion(zonedb, &version, ISC_FALSE);
-	if (zonedb != NULL)
-		dns_db_detach(&zonedb);
-	if (tempname != NULL)
-		dns_message_puttempname(message, &tempname);
-	if (temprdata != NULL)
-		dns_message_puttemprdata(message, &temprdata);
-	if (temprdataset != NULL)
-		dns_message_puttemprdataset(message, &temprdataset);
-	if (temprdatalist != NULL)
-		dns_message_puttemprdatalist(message, &temprdatalist);
+	REQUIRE(DNS_ZONE_VALID(zone));
 
- done:
-	*messagep = message;
-	return (ISC_R_SUCCESS);
+	return (zone->check_names);
+}
 
- cleanup:
-	if (tempname != NULL)
-		dns_message_puttempname(message, &tempname);
-	if (temprdataset != NULL)
-		dns_message_puttemprdataset(message, &temprdataset);
-	dns_message_destroy(&message);
-	return (result);
+void
+dns_zone_setjournalsize(dns_zone_t *zone, isc_int32_t size) {
+
+	REQUIRE(DNS_ZONE_VALID(zone));
+
+	zone->journalsize = size;
 }
 
-isc_result_t
-dns_zone_notifyreceive(dns_zone_t *zone, isc_sockaddr_t *from,
-		       dns_message_t *msg)
-{
-	unsigned int i;
-	dns_rdata_soa_t soa;
-	dns_rdataset_t *rdataset = NULL;
-	dns_rdata_t rdata = DNS_RDATA_INIT;
-	isc_result_t result;
-	char fromtext[ISC_SOCKADDR_FORMATSIZE];
-	int match = 0;
-	isc_netaddr_t netaddr;
+isc_int32_t
+dns_zone_getjournalsize(dns_zone_t *zone) {
 
 	REQUIRE(DNS_ZONE_VALID(zone));
 
-	/*
-	 * If type != T_SOA return DNS_R_REFUSED.  We don't yet support
-	 * ROLLOVER.
-	 *
-	 * SOA:	RFC1996
-	 * Check that 'from' is a valid notify source, (zone->masters).
-	 *	Return DNS_R_REFUSED if not.
-	 *
-	 * If the notify message contains a serial number check it
-	 * against the zones serial and return if <= current serial
-	 *
-	 * If a refresh check is progress, if so just record the
-	 * fact we received a NOTIFY and from where and return.
-	 * We will perform a new refresh check when the current one
-	 * completes. Return ISC_R_SUCCESS.
-	 *
-	 * Otherwise initiate a refresh check using 'from' as the
-	 * first address to check.  Return ISC_R_SUCCESS.
-	 */
+	return (zone->journalsize);
+}
 
-	isc_sockaddr_format(from, fromtext, sizeof(fromtext));
+static void
+zone_namerd_tostr(dns_zone_t *zone, char *buf, size_t length) {
+	isc_result_t result = ISC_R_FAILURE;
+	isc_buffer_t buffer;
 
-	/*
-	 *  We only handle NOTIFY (SOA) at the present.
-	 */
-	LOCK_ZONE(zone);
-	if (isc_sockaddr_pf(from) == PF_INET)
-		inc_stats(zone, dns_zonestatscounter_notifyinv4);
-	else
-		inc_stats(zone, dns_zonestatscounter_notifyinv6);
-	if (msg->counts[DNS_SECTION_QUESTION] == 0 ||
-	    dns_message_findname(msg, DNS_SECTION_QUESTION, &zone->origin,
-				 dns_rdatatype_soa, dns_rdatatype_none,
-				 NULL, NULL) != ISC_R_SUCCESS) {
-		UNLOCK_ZONE(zone);
-		if (msg->counts[DNS_SECTION_QUESTION] == 0) {
-			dns_zone_log(zone, ISC_LOG_NOTICE,
-				     "NOTIFY with no "
-				     "question section from: %s", fromtext);
-			return (DNS_R_FORMERR);
-		}
-		dns_zone_log(zone, ISC_LOG_NOTICE,
-			     "NOTIFY zone does not match");
-		return (DNS_R_NOTIMP);
-	}
+	REQUIRE(buf != NULL);
+	REQUIRE(length > 1U);
 
 	/*
-	 * If we are a master zone just succeed.
+	 * Leave space for terminating '\0'.
 	 */
-	if (zone->type == dns_zone_master) {
-		UNLOCK_ZONE(zone);
-		return (ISC_R_SUCCESS);
-	}
+	isc_buffer_init(&buffer, buf, length - 1);
+	if (dns_name_dynamic(&zone->origin))
+		result = dns_name_totext(&zone->origin, ISC_TRUE, &buffer);
+	if (result != ISC_R_SUCCESS &&
+	    isc_buffer_availablelength(&buffer) >= (sizeof("") - 1))
+		isc_buffer_putstr(&buffer, "");
 
-	isc_netaddr_fromsockaddr(&netaddr, from);
-	for (i = 0; i < zone->masterscnt; i++) {
-		if (isc_sockaddr_eqaddr(from, &zone->masters[i]))
-			break;
-		if (zone->view->aclenv.match_mapped &&
-		    IN6_IS_ADDR_V4MAPPED(&from->type.sin6.sin6_addr) &&
-		    isc_sockaddr_pf(&zone->masters[i]) == AF_INET) {
-			isc_netaddr_t na1, na2;
-			isc_netaddr_fromv4mapped(&na1, &netaddr);
-			isc_netaddr_fromsockaddr(&na2, &zone->masters[i]);
-			if (isc_netaddr_equal(&na1, &na2))
-				break;
-		}
+	if (isc_buffer_availablelength(&buffer) > 0)
+		isc_buffer_putstr(&buffer, "/");
+	(void)dns_rdataclass_totext(zone->rdclass, &buffer);
+
+	if (zone->view != NULL && strcmp(zone->view->name, "_bind") != 0 &&
+	    strcmp(zone->view->name, "_default") != 0 &&
+	    strlen(zone->view->name) < isc_buffer_availablelength(&buffer)) {
+		isc_buffer_putstr(&buffer, "/");
+		isc_buffer_putstr(&buffer, zone->view->name);
 	}
 
+	buf[isc_buffer_usedlength(&buffer)] = '\0';
+}
+
+static void
+zone_name_tostr(dns_zone_t *zone, char *buf, size_t length) {
+	isc_result_t result = ISC_R_FAILURE;
+	isc_buffer_t buffer;
+
+	REQUIRE(buf != NULL);
+	REQUIRE(length > 1U);
+
 	/*
-	 * Accept notify requests from non masters if they are on
-	 * 'zone->notify_acl'.
+	 * Leave space for terminating '\0'.
 	 */
-	if (i >= zone->masterscnt && zone->notify_acl != NULL &&
-	    dns_acl_match(&netaddr, NULL, zone->notify_acl,
-			  &zone->view->aclenv,
-			  &match, NULL) == ISC_R_SUCCESS &&
-	    match > 0)
-	{
-		/* Accept notify. */
-	} else if (i >= zone->masterscnt) {
-		UNLOCK_ZONE(zone);
-		dns_zone_log(zone, ISC_LOG_INFO,
-			     "refused notify from non-master: %s", fromtext);
-		inc_stats(zone, dns_zonestatscounter_notifyrej);
-		return (DNS_R_REFUSED);
-	}
+	isc_buffer_init(&buffer, buf, length - 1);
+	if (dns_name_dynamic(&zone->origin))
+		result = dns_name_totext(&zone->origin, ISC_TRUE, &buffer);
+	if (result != ISC_R_SUCCESS &&
+	    isc_buffer_availablelength(&buffer) >= (sizeof("") - 1))
+		isc_buffer_putstr(&buffer, "");
+
+	buf[isc_buffer_usedlength(&buffer)] = '\0';
+}
+
+static void
+zone_rdclass_tostr(dns_zone_t *zone, char *buf, size_t length) {
+	isc_buffer_t buffer;
+
+	REQUIRE(buf != NULL);
+	REQUIRE(length > 1U);
 
 	/*
-	 * If the zone is loaded and there are answers check the serial
-	 * to see if we need to do a refresh.  Do not worry about this
-	 * check if we are a dialup zone as we use the notify request
-	 * to trigger a refresh check.
-	 */
-	if (msg->counts[DNS_SECTION_ANSWER] > 0 &&
-	    DNS_ZONE_FLAG(zone, DNS_ZONEFLG_LOADED) &&
-	    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NOREFRESH)) {
-		result = dns_message_findname(msg, DNS_SECTION_ANSWER,
-					      &zone->origin,
-					      dns_rdatatype_soa,
-					      dns_rdatatype_none, NULL,
-					      &rdataset);
-		if (result == ISC_R_SUCCESS)
-			result = dns_rdataset_first(rdataset);
-		if (result == ISC_R_SUCCESS) {
-			isc_uint32_t serial = 0, oldserial;
+	 * Leave space for terminating '\0'.
+	 */
+	isc_buffer_init(&buffer, buf, length - 1);
+	(void)dns_rdataclass_totext(zone->rdclass, &buffer);
+
+	buf[isc_buffer_usedlength(&buffer)] = '\0';
+}
+
+static void
+zone_viewname_tostr(dns_zone_t *zone, char *buf, size_t length) {
+	isc_buffer_t buffer;
+
+	REQUIRE(buf != NULL);
+	REQUIRE(length > 1U);
 
-			dns_rdataset_current(rdataset, &rdata);
-			result = dns_rdata_tostruct(&rdata, &soa, NULL);
-			RUNTIME_CHECK(result == ISC_R_SUCCESS);
-			serial = soa.serial;
-			/*
-			 * The following should safely be performed without DB
-			 * lock and succeed in this context.
-			 */
-			result = zone_get_from_db(zone, zone->db, NULL, NULL,
-						  &oldserial, NULL, NULL, NULL,
-						  NULL, NULL);
-			RUNTIME_CHECK(result == ISC_R_SUCCESS);
-			if (isc_serial_le(serial, oldserial)) {
-			  dns_zone_log(zone, ISC_LOG_INFO,
-					     "notify from %s: "
-					     "zone is up to date",
-					     fromtext);
-				UNLOCK_ZONE(zone);
-				return (ISC_R_SUCCESS);
-			}
-		}
-	}
 
 	/*
-	 * If we got this far and there was a refresh in progress just
-	 * let it complete.  Record where we got the notify from so we
-	 * can perform a refresh check when the current one completes
+	 * Leave space for terminating '\0'.
 	 */
-	if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_REFRESH)) {
-		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_NEEDREFRESH);
-		zone->notifyfrom = *from;
-		UNLOCK_ZONE(zone);
-		dns_zone_log(zone, ISC_LOG_INFO,
-			     "notify from %s: refresh in progress, "
-			     "refresh check queued",
-			     fromtext);
-		return (ISC_R_SUCCESS);
+	isc_buffer_init(&buffer, buf, length - 1);
+
+	if (zone->view == NULL) {
+		isc_buffer_putstr(&buffer, "_none");
+	} else if (strlen(zone->view->name)
+		   < isc_buffer_availablelength(&buffer)) {
+		isc_buffer_putstr(&buffer, zone->view->name);
+	} else {
+		isc_buffer_putstr(&buffer, "_toolong");
 	}
-	zone->notifyfrom = *from;
-	UNLOCK_ZONE(zone);
-	dns_zone_refresh(zone);
-	return (ISC_R_SUCCESS);
+
+	buf[isc_buffer_usedlength(&buffer)] = '\0';
 }
 
 void
-dns_zone_setnotifyacl(dns_zone_t *zone, dns_acl_t *acl) {
-
+dns_zone_name(dns_zone_t *zone, char *buf, size_t length) {
 	REQUIRE(DNS_ZONE_VALID(zone));
+	REQUIRE(buf != NULL);
+	zone_namerd_tostr(zone, buf, length);
+}
 
-	LOCK_ZONE(zone);
-	if (zone->notify_acl != NULL)
-		dns_acl_detach(&zone->notify_acl);
-	dns_acl_attach(acl, &zone->notify_acl);
-	UNLOCK_ZONE(zone);
+static void
+notify_log(dns_zone_t *zone, int level, const char *fmt, ...) {
+	va_list ap;
+	char message[4096];
+
+	if (isc_log_wouldlog(dns_lctx, level) == ISC_FALSE)
+		return;
+
+	va_start(ap, fmt);
+	vsnprintf(message, sizeof(message), fmt, ap);
+	va_end(ap);
+	isc_log_write(dns_lctx, DNS_LOGCATEGORY_NOTIFY, DNS_LOGMODULE_ZONE,
+		      level, "zone %s: %s", zone->strnamerd, message);
 }
 
 void
-dns_zone_setqueryacl(dns_zone_t *zone, dns_acl_t *acl) {
+dns_zone_logc(dns_zone_t *zone, isc_logcategory_t *category,
+	      int level, const char *fmt, ...) {
+	va_list ap;
+	char message[4096];
 
-	REQUIRE(DNS_ZONE_VALID(zone));
+	if (isc_log_wouldlog(dns_lctx, level) == ISC_FALSE)
+		return;
 
-	LOCK_ZONE(zone);
-	if (zone->query_acl != NULL)
-		dns_acl_detach(&zone->query_acl);
-	dns_acl_attach(acl, &zone->query_acl);
-	UNLOCK_ZONE(zone);
+	va_start(ap, fmt);
+	vsnprintf(message, sizeof(message), fmt, ap);
+	va_end(ap);
+	isc_log_write(dns_lctx, category, DNS_LOGMODULE_ZONE,
+		      level, "%s %s: %s", (zone->type == dns_zone_key) ?
+		      "managed-keys-zone" : "zone", zone->strnamerd, message);
 }
 
 void
-dns_zone_setqueryonacl(dns_zone_t *zone, dns_acl_t *acl) {
+dns_zone_log(dns_zone_t *zone, int level, const char *fmt, ...) {
+	va_list ap;
+	char message[4096];
 
-	REQUIRE(DNS_ZONE_VALID(zone));
+	if (isc_log_wouldlog(dns_lctx, level) == ISC_FALSE)
+		return;
 
-	LOCK_ZONE(zone);
-	if (zone->queryon_acl != NULL)
-		dns_acl_detach(&zone->queryon_acl);
-	dns_acl_attach(acl, &zone->queryon_acl);
-	UNLOCK_ZONE(zone);
+	va_start(ap, fmt);
+	vsnprintf(message, sizeof(message), fmt, ap);
+	va_end(ap);
+	isc_log_write(dns_lctx, DNS_LOGCATEGORY_GENERAL, DNS_LOGMODULE_ZONE,
+		      level, "%s %s: %s", (zone->type == dns_zone_key) ?
+		      "managed-keys-zone" : "zone", zone->strnamerd, message);
 }
 
-void
-dns_zone_setupdateacl(dns_zone_t *zone, dns_acl_t *acl) {
+static void
+zone_debuglog(dns_zone_t *zone, const char *me, int debuglevel,
+	      const char *fmt, ...)
+{
+	va_list ap;
+	char message[4096];
+	int level = ISC_LOG_DEBUG(debuglevel);
 
-	REQUIRE(DNS_ZONE_VALID(zone));
+	if (isc_log_wouldlog(dns_lctx, level) == ISC_FALSE)
+		return;
 
-	LOCK_ZONE(zone);
-	if (zone->update_acl != NULL)
-		dns_acl_detach(&zone->update_acl);
-	dns_acl_attach(acl, &zone->update_acl);
-	UNLOCK_ZONE(zone);
+	va_start(ap, fmt);
+	vsnprintf(message, sizeof(message), fmt, ap);
+	va_end(ap);
+	isc_log_write(dns_lctx, DNS_LOGCATEGORY_GENERAL, DNS_LOGMODULE_ZONE,
+		      level, "%s: %s %s: %s", me, zone->type != dns_zone_key ?
+		      "zone" : "managed-keys-zone", zone->strnamerd, message);
 }
 
-void
-dns_zone_setforwardacl(dns_zone_t *zone, dns_acl_t *acl) {
+static int
+message_count(dns_message_t *msg, dns_section_t section, dns_rdatatype_t type)
+{
+	isc_result_t result;
+	dns_name_t *name;
+	dns_rdataset_t *curr;
+	int count = 0;
 
-	REQUIRE(DNS_ZONE_VALID(zone));
+	result = dns_message_firstname(msg, section);
+	while (result == ISC_R_SUCCESS) {
+		name = NULL;
+		dns_message_currentname(msg, section, &name);
 
-	LOCK_ZONE(zone);
-	if (zone->forward_acl != NULL)
-		dns_acl_detach(&zone->forward_acl);
-	dns_acl_attach(acl, &zone->forward_acl);
-	UNLOCK_ZONE(zone);
+		for (curr = ISC_LIST_TAIL(name->list); curr != NULL;
+		     curr = ISC_LIST_PREV(curr, link)) {
+			if (curr->type == type)
+				count++;
+		}
+		result = dns_message_nextname(msg, section);
+	}
+
+	return (count);
 }
 
 void
-dns_zone_setxfracl(dns_zone_t *zone, dns_acl_t *acl) {
-
+dns_zone_setmaxxfrin(dns_zone_t *zone, isc_uint32_t maxxfrin) {
 	REQUIRE(DNS_ZONE_VALID(zone));
 
-	LOCK_ZONE(zone);
-	if (zone->xfr_acl != NULL)
-		dns_acl_detach(&zone->xfr_acl);
-	dns_acl_attach(acl, &zone->xfr_acl);
-	UNLOCK_ZONE(zone);
+	zone->maxxfrin = maxxfrin;
 }
 
-dns_acl_t *
-dns_zone_getnotifyacl(dns_zone_t *zone) {
-
+isc_uint32_t
+dns_zone_getmaxxfrin(dns_zone_t *zone) {
 	REQUIRE(DNS_ZONE_VALID(zone));
 
-	return (zone->notify_acl);
+	return (zone->maxxfrin);
 }
 
-dns_acl_t *
-dns_zone_getqueryacl(dns_zone_t *zone) {
+void
+dns_zone_setmaxxfrout(dns_zone_t *zone, isc_uint32_t maxxfrout) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+	zone->maxxfrout = maxxfrout;
+}
 
+isc_uint32_t
+dns_zone_getmaxxfrout(dns_zone_t *zone) {
 	REQUIRE(DNS_ZONE_VALID(zone));
 
-	return (zone->query_acl);
+	return (zone->maxxfrout);
 }
 
-dns_acl_t *
-dns_zone_getqueryonacl(dns_zone_t *zone) {
-
+dns_zonetype_t
+dns_zone_gettype(dns_zone_t *zone) {
 	REQUIRE(DNS_ZONE_VALID(zone));
 
-	return (zone->queryon_acl);
+	return (zone->type);
 }
 
-dns_acl_t *
-dns_zone_getupdateacl(dns_zone_t *zone) {
+dns_name_t *
+dns_zone_getorigin(dns_zone_t *zone) {
+	REQUIRE(DNS_ZONE_VALID(zone));
 
+	return (&zone->origin);
+}
+
+void
+dns_zone_settask(dns_zone_t *zone, isc_task_t *task) {
 	REQUIRE(DNS_ZONE_VALID(zone));
 
-	return (zone->update_acl);
+	LOCK_ZONE(zone);
+	if (zone->task != NULL)
+		isc_task_detach(&zone->task);
+	isc_task_attach(task, &zone->task);
+	ZONEDB_LOCK(&zone->dblock, isc_rwlocktype_read);
+	if (zone->db != NULL)
+		dns_db_settask(zone->db, zone->task);
+	ZONEDB_UNLOCK(&zone->dblock, isc_rwlocktype_read);
+	UNLOCK_ZONE(zone);
 }
 
-dns_acl_t *
-dns_zone_getforwardacl(dns_zone_t *zone) {
+void
+dns_zone_gettask(dns_zone_t *zone, isc_task_t **target) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+	isc_task_attach(zone->task, target);
+}
 
+void
+dns_zone_setidlein(dns_zone_t *zone, isc_uint32_t idlein) {
 	REQUIRE(DNS_ZONE_VALID(zone));
 
-	return (zone->forward_acl);
+	if (idlein == 0)
+		idlein = DNS_DEFAULT_IDLEIN;
+	zone->idlein = idlein;
 }
 
-dns_acl_t *
-dns_zone_getxfracl(dns_zone_t *zone) {
-
+isc_uint32_t
+dns_zone_getidlein(dns_zone_t *zone) {
 	REQUIRE(DNS_ZONE_VALID(zone));
 
-	return (zone->xfr_acl);
+	return (zone->idlein);
 }
 
 void
-dns_zone_clearupdateacl(dns_zone_t *zone) {
+dns_zone_setidleout(dns_zone_t *zone, isc_uint32_t idleout) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+
+	zone->idleout = idleout;
+}
+
+isc_uint32_t
+dns_zone_getidleout(dns_zone_t *zone) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+
+	return (zone->idleout);
+}
 
-	REQUIRE(DNS_ZONE_VALID(zone));
+static void
+notify_done(isc_task_t *task, isc_event_t *event) {
+	dns_requestevent_t *revent = (dns_requestevent_t *)event;
+	dns_notify_t *notify;
+	isc_result_t result;
+	dns_message_t *message = NULL;
+	isc_buffer_t buf;
+	char rcode[128];
+	char addrbuf[ISC_SOCKADDR_FORMATSIZE];
 
-	LOCK_ZONE(zone);
-	if (zone->update_acl != NULL)
-		dns_acl_detach(&zone->update_acl);
-	UNLOCK_ZONE(zone);
-}
+	UNUSED(task);
 
-void
-dns_zone_clearforwardacl(dns_zone_t *zone) {
+	notify = event->ev_arg;
+	REQUIRE(DNS_NOTIFY_VALID(notify));
+	INSIST(task == notify->zone->task);
 
-	REQUIRE(DNS_ZONE_VALID(zone));
+	isc_buffer_init(&buf, rcode, sizeof(rcode));
+	isc_sockaddr_format(¬ify->dst, addrbuf, sizeof(addrbuf));
 
-	LOCK_ZONE(zone);
-	if (zone->forward_acl != NULL)
-		dns_acl_detach(&zone->forward_acl);
-	UNLOCK_ZONE(zone);
+	result = revent->result;
+	if (result == ISC_R_SUCCESS)
+		result = dns_message_create(notify->zone->mctx,
+					    DNS_MESSAGE_INTENTPARSE, &message);
+	if (result == ISC_R_SUCCESS)
+		result = dns_request_getresponse(revent->request, message,
+					DNS_MESSAGEPARSE_PRESERVEORDER);
+	if (result == ISC_R_SUCCESS)
+		result = dns_rcode_totext(message->rcode, &buf);
+	if (result == ISC_R_SUCCESS)
+		notify_log(notify->zone, ISC_LOG_DEBUG(3),
+			   "notify response from %s: %.*s",
+			   addrbuf, (int)buf.used, rcode);
+	else
+		notify_log(notify->zone, ISC_LOG_DEBUG(2),
+			   "notify to %s failed: %s", addrbuf,
+			   dns_result_totext(result));
+
+	/*
+	 * Old bind's return formerr if they see a soa record.	Retry w/o
+	 * the soa if we see a formerr and had sent a SOA.
+	 */
+	isc_event_free(&event);
+	if (message != NULL && message->rcode == dns_rcode_formerr &&
+	    (notify->flags & DNS_NOTIFY_NOSOA) == 0) {
+		notify->flags |= DNS_NOTIFY_NOSOA;
+		dns_request_destroy(¬ify->request);
+		result = notify_send_queue(notify);
+		if (result != ISC_R_SUCCESS)
+			notify_destroy(notify, ISC_FALSE);
+	} else {
+		if (result == ISC_R_TIMEDOUT)
+			notify_log(notify->zone, ISC_LOG_DEBUG(1),
+				   "notify to %s: retries exceeded", addrbuf);
+		notify_destroy(notify, ISC_FALSE);
+	}
+	if (message != NULL)
+		dns_message_destroy(&message);
 }
 
-void
-dns_zone_clearnotifyacl(dns_zone_t *zone) {
+isc_result_t
+dns_zone_replacedb(dns_zone_t *zone, dns_db_t *db, isc_boolean_t dump) {
+	isc_result_t result;
 
 	REQUIRE(DNS_ZONE_VALID(zone));
-
 	LOCK_ZONE(zone);
-	if (zone->notify_acl != NULL)
-		dns_acl_detach(&zone->notify_acl);
+	ZONEDB_LOCK(&zone->dblock, isc_rwlocktype_write);
+	result = zone_replacedb(zone, db, dump);
+	ZONEDB_UNLOCK(&zone->dblock, isc_rwlocktype_write);
 	UNLOCK_ZONE(zone);
+	return (result);
 }
 
-void
-dns_zone_clearqueryacl(dns_zone_t *zone) {
+static isc_result_t
+zone_replacedb(dns_zone_t *zone, dns_db_t *db, isc_boolean_t dump) {
+	dns_dbversion_t *ver;
+	isc_result_t result;
+	unsigned int soacount = 0;
+	unsigned int nscount = 0;
 
+	/*
+	 * 'zone' and 'zonedb' locked by caller.
+	 */
 	REQUIRE(DNS_ZONE_VALID(zone));
+	REQUIRE(LOCKED_ZONE(zone));
 
-	LOCK_ZONE(zone);
-	if (zone->query_acl != NULL)
-		dns_acl_detach(&zone->query_acl);
-	UNLOCK_ZONE(zone);
-}
+	result = zone_get_from_db(zone, db, &nscount, &soacount,
+				  NULL, NULL, NULL, NULL, NULL, NULL);
+	if (result == ISC_R_SUCCESS) {
+		if (soacount != 1) {
+			dns_zone_log(zone, ISC_LOG_ERROR,
+				     "has %d SOA records", soacount);
+			result = DNS_R_BADZONE;
+		}
+		if (nscount == 0 && zone->type != dns_zone_key) {
+			dns_zone_log(zone, ISC_LOG_ERROR, "has no NS records");
+			result = DNS_R_BADZONE;
+		}
+		if (result != ISC_R_SUCCESS)
+			return (result);
+	} else {
+		dns_zone_log(zone, ISC_LOG_ERROR,
+			    "retrieving SOA and NS records failed: %s",
+			    dns_result_totext(result));
+		return (result);
+	}
 
-void
-dns_zone_clearqueryonacl(dns_zone_t *zone) {
+	result = check_nsec3param(zone, db);
+	if (result != ISC_R_SUCCESS)
+		return (result);
 
-	REQUIRE(DNS_ZONE_VALID(zone));
+	ver = NULL;
+	dns_db_currentversion(db, &ver);
 
-	LOCK_ZONE(zone);
-	if (zone->queryon_acl != NULL)
-		dns_acl_detach(&zone->queryon_acl);
-	UNLOCK_ZONE(zone);
-}
+	/*
+	 * The initial version of a slave zone is always dumped;
+	 * subsequent versions may be journaled instead if this
+	 * is enabled in the configuration.
+	 */
+	if (zone->db != NULL && zone->journal != NULL &&
+	    DNS_ZONE_OPTION(zone, DNS_ZONEOPT_IXFRFROMDIFFS) &&
+	    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_FORCEXFER)) {
+		isc_uint32_t serial, oldserial;
 
-void
-dns_zone_clearxfracl(dns_zone_t *zone) {
+		dns_zone_log(zone, ISC_LOG_DEBUG(3), "generating diffs");
 
-	REQUIRE(DNS_ZONE_VALID(zone));
+		result = dns_db_getsoaserial(db, ver, &serial);
+		if (result != ISC_R_SUCCESS) {
+			dns_zone_log(zone, ISC_LOG_ERROR,
+				     "ixfr-from-differences: unable to get "
+				     "new serial");
+			goto fail;
+		}
 
-	LOCK_ZONE(zone);
-	if (zone->xfr_acl != NULL)
-		dns_acl_detach(&zone->xfr_acl);
-	UNLOCK_ZONE(zone);
-}
+		/*
+		 * This is checked in zone_postload() for master zones.
+		 */
+		result = zone_get_from_db(zone, zone->db, NULL, NULL,
+					  &oldserial, NULL, NULL, NULL, NULL,
+					  NULL);
+		RUNTIME_CHECK(result == ISC_R_SUCCESS);
+		if (zone->type == dns_zone_slave &&
+		    !isc_serial_gt(serial, oldserial)) {
+			isc_uint32_t serialmin, serialmax;
+			serialmin = (oldserial + 1) & 0xffffffffU;
+			serialmax = (oldserial + 0x7fffffffU) & 0xffffffffU;
+			dns_zone_log(zone, ISC_LOG_ERROR,
+				     "ixfr-from-differences: failed: "
+				     "new serial (%u) out of range [%u - %u]",
+				     serial, serialmin, serialmax);
+			result = ISC_R_RANGE;
+			goto fail;
+		}
 
-isc_boolean_t
-dns_zone_getupdatedisabled(dns_zone_t *zone) {
-	REQUIRE(DNS_ZONE_VALID(zone));
-	return (zone->update_disabled);
+		result = dns_db_diff(zone->mctx, db, ver, zone->db, NULL,
+				     zone->journal);
+		if (result != ISC_R_SUCCESS)
+			goto fail;
+		if (dump)
+			zone_needdump(zone, DNS_DUMP_DELAY);
+		else if (zone->journalsize != -1) {
+			result = dns_journal_compact(zone->mctx, zone->journal,
+						     serial, zone->journalsize);
+			switch (result) {
+			case ISC_R_SUCCESS:
+			case ISC_R_NOSPACE:
+			case ISC_R_NOTFOUND:
+				dns_zone_log(zone, ISC_LOG_DEBUG(3),
+					     "dns_journal_compact: %s",
+					     dns_result_totext(result));
+				break;
+			default:
+				dns_zone_log(zone, ISC_LOG_ERROR,
+					     "dns_journal_compact failed: %s",
+					     dns_result_totext(result));
+				break;
+			}
+		}
+	} else {
+		if (dump && zone->masterfile != NULL) {
+			/*
+			 * If DNS_ZONEFLG_FORCEXFER was set we don't want
+			 * to keep the old masterfile.
+			 */
+			if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_FORCEXFER) &&
+			    remove(zone->masterfile) < 0 && errno != ENOENT) {
+				char strbuf[ISC_STRERRORSIZE];
+				isc__strerror(errno, strbuf, sizeof(strbuf));
+				isc_log_write(dns_lctx,
+					      DNS_LOGCATEGORY_GENERAL,
+					      DNS_LOGMODULE_ZONE,
+					      ISC_LOG_WARNING,
+					      "unable to remove masterfile "
+					      "'%s': '%s'",
+					      zone->masterfile, strbuf);
+			}
+			if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_LOADED) == 0)
+				DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_NODELAY);
+			else
+				zone_needdump(zone, 0);
+		}
+		if (dump && zone->journal != NULL) {
+			/*
+			 * The in-memory database just changed, and
+			 * because 'dump' is set, it didn't change by
+			 * being loaded from disk.  Also, we have not
+			 * journaled diffs for this change.
+			 * Therefore, the on-disk journal is missing
+			 * the deltas for this change.	Since it can
+			 * no longer be used to bring the zone
+			 * up-to-date, it is useless and should be
+			 * removed.
+			 */
+			isc_log_write(dns_lctx, DNS_LOGCATEGORY_GENERAL,
+				      DNS_LOGMODULE_ZONE, ISC_LOG_DEBUG(3),
+				      "removing journal file");
+			if (remove(zone->journal) < 0 && errno != ENOENT) {
+				char strbuf[ISC_STRERRORSIZE];
+				isc__strerror(errno, strbuf, sizeof(strbuf));
+				isc_log_write(dns_lctx,
+					      DNS_LOGCATEGORY_GENERAL,
+					      DNS_LOGMODULE_ZONE,
+					      ISC_LOG_WARNING,
+					      "unable to remove journal "
+					      "'%s': '%s'",
+					      zone->journal, strbuf);
+			}
+		}
+	}
 
-}
+	dns_db_closeversion(db, &ver, ISC_FALSE);
 
-void
-dns_zone_setupdatedisabled(dns_zone_t *zone, isc_boolean_t state) {
-	REQUIRE(DNS_ZONE_VALID(zone));
-	zone->update_disabled = state;
-}
+	isc_log_write(dns_lctx, DNS_LOGCATEGORY_GENERAL,
+		      DNS_LOGMODULE_ZONE, ISC_LOG_DEBUG(3),
+		      "replacing zone database");
 
-isc_boolean_t
-dns_zone_getzeronosoattl(dns_zone_t *zone) {
-	REQUIRE(DNS_ZONE_VALID(zone));
-	return (zone->zero_no_soa_ttl);
+	if (zone->db != NULL)
+		zone_detachdb(zone);
+	zone_attachdb(zone, db);
+	dns_db_settask(zone->db, zone->task);
+	DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_LOADED|DNS_ZONEFLG_NEEDNOTIFY);
+	return (ISC_R_SUCCESS);
 
+ fail:
+	dns_db_closeversion(db, &ver, ISC_FALSE);
+	return (result);
 }
 
-void
-dns_zone_setzeronosoattl(dns_zone_t *zone, isc_boolean_t state) {
-	REQUIRE(DNS_ZONE_VALID(zone));
-	zone->zero_no_soa_ttl = state;
-}
+/* The caller must hold the dblock as a writer. */
+static inline void
+zone_attachdb(dns_zone_t *zone, dns_db_t *db) {
+	REQUIRE(zone->db == NULL && db != NULL);
 
-void
-dns_zone_setchecknames(dns_zone_t *zone, dns_severity_t severity) {
+	dns_db_attach(db, &zone->db);
+	if (zone->acache != NULL) {
+		isc_result_t result;
+		result = dns_acache_setdb(zone->acache, db);
+		if (result != ISC_R_SUCCESS && result != ISC_R_EXISTS) {
+			UNEXPECTED_ERROR(__FILE__, __LINE__,
+					 "dns_acache_setdb() failed: %s",
+					 isc_result_totext(result));
+		}
+	}
+}
 
-	REQUIRE(DNS_ZONE_VALID(zone));
+/* The caller must hold the dblock as a writer. */
+static inline void
+zone_detachdb(dns_zone_t *zone) {
+	REQUIRE(zone->db != NULL);
 
-	zone->check_names = severity;
+	if (zone->acache != NULL)
+		(void)dns_acache_putdb(zone->acache, zone->db);
+	dns_db_detach(&zone->db);
 }
 
-dns_severity_t
-dns_zone_getchecknames(dns_zone_t *zone) {
+static void
+zone_xfrdone(dns_zone_t *zone, isc_result_t result) {
+	isc_time_t now;
+	isc_boolean_t again = ISC_FALSE;
+	unsigned int soacount;
+	unsigned int nscount;
+	isc_uint32_t serial, refresh, retry, expire, minimum;
+	isc_result_t xfrresult = result;
+	isc_boolean_t free_needed;
 
 	REQUIRE(DNS_ZONE_VALID(zone));
 
-	return (zone->check_names);
-}
-
-void
-dns_zone_setjournalsize(dns_zone_t *zone, isc_int32_t size) {
+	dns_zone_log(zone, ISC_LOG_DEBUG(1),
+		     "zone transfer finished: %s", dns_result_totext(result));
 
-	REQUIRE(DNS_ZONE_VALID(zone));
+	LOCK_ZONE(zone);
+	INSIST((zone->flags & DNS_ZONEFLG_REFRESH) != 0);
+	DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_REFRESH);
+	DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_SOABEFOREAXFR);
 
-	zone->journalsize = size;
-}
+	TIME_NOW(&now);
+	switch (result) {
+	case ISC_R_SUCCESS:
+		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_NEEDNOTIFY);
+		/*FALLTHROUGH*/
+	case DNS_R_UPTODATE:
+		DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_FORCEXFER);
+		/*
+		 * Has the zone expired underneath us?
+		 */
+		ZONEDB_LOCK(&zone->dblock, isc_rwlocktype_read);
+		if (zone->db == NULL) {
+			ZONEDB_UNLOCK(&zone->dblock, isc_rwlocktype_read);
+			goto same_master;
+		}
 
-isc_int32_t
-dns_zone_getjournalsize(dns_zone_t *zone) {
+		/*
+		 * Update the zone structure's data from the actual
+		 * SOA received.
+		 */
+		nscount = 0;
+		soacount = 0;
+		INSIST(zone->db != NULL);
+		result = zone_get_from_db(zone, zone->db, &nscount,
+					  &soacount, &serial, &refresh,
+					  &retry, &expire, &minimum, NULL);
+		ZONEDB_UNLOCK(&zone->dblock, isc_rwlocktype_read);
+		if (result == ISC_R_SUCCESS) {
+			if (soacount != 1)
+				dns_zone_log(zone, ISC_LOG_ERROR,
+					     "transferred zone "
+					     "has %d SOA record%s", soacount,
+					     (soacount != 0) ? "s" : "");
+			if (nscount == 0) {
+				dns_zone_log(zone, ISC_LOG_ERROR,
+					     "transferred zone "
+					     "has no NS records");
+				if (DNS_ZONE_FLAG(zone,
+						  DNS_ZONEFLG_HAVETIMERS)) {
+					zone->refresh = DNS_ZONE_DEFAULTREFRESH;
+					zone->retry = DNS_ZONE_DEFAULTRETRY;
+				}
+				DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_HAVETIMERS);
+				zone_unload(zone);
+				goto next_master;
+			}
+			zone->refresh = RANGE(refresh, zone->minrefresh,
+					      zone->maxrefresh);
+			zone->retry = RANGE(retry, zone->minretry,
+					    zone->maxretry);
+			zone->expire = RANGE(expire,
+					     zone->refresh + zone->retry,
+					     DNS_MAX_EXPIRE);
+			zone->minimum = minimum;
+			DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_HAVETIMERS);
+		}
 
-	REQUIRE(DNS_ZONE_VALID(zone));
+		/*
+		 * Set our next update/expire times.
+		 */
+		if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NEEDREFRESH)) {
+			DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_NEEDREFRESH);
+			zone->refreshtime = now;
+			DNS_ZONE_TIME_ADD(&now, zone->expire,
+					  &zone->expiretime);
+		} else {
+			DNS_ZONE_JITTER_ADD(&now, zone->refresh,
+					    &zone->refreshtime);
+			DNS_ZONE_TIME_ADD(&now, zone->expire,
+					  &zone->expiretime);
+		}
+		if (result == ISC_R_SUCCESS && xfrresult == ISC_R_SUCCESS) {
+			char buf[DNS_NAME_FORMATSIZE + sizeof(": TSIG ''")];
+			if (zone->tsigkey != NULL) {
+				char namebuf[DNS_NAME_FORMATSIZE];
+				dns_name_format(&zone->tsigkey->name, namebuf,
+						sizeof(namebuf));
+				snprintf(buf, sizeof(buf), ": TSIG '%s'",
+					 namebuf);
+			} else
+				buf[0] = '\0';
+			dns_zone_log(zone, ISC_LOG_INFO,
+				     "transferred serial %u%s",
+				     serial, buf);
+		}
 
-	return (zone->journalsize);
-}
+		/*
+		 * This is not necessary if we just performed a AXFR
+		 * however it is necessary for an IXFR / UPTODATE and
+		 * won't hurt with an AXFR.
+		 */
+		if (zone->masterfile != NULL || zone->journal != NULL) {
+			result = ISC_R_FAILURE;
+			if (zone->journal != NULL)
+				result = isc_file_settime(zone->journal, &now);
+			if (result != ISC_R_SUCCESS &&
+			    zone->masterfile != NULL)
+				result = isc_file_settime(zone->masterfile,
+							  &now);
+			/* Someone removed the file from underneath us! */
+			if (result == ISC_R_FILENOTFOUND &&
+			    zone->masterfile != NULL) {
+				unsigned int delay = DNS_DUMP_DELAY;
+				if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NODELAY))
+					delay = 0;
+				zone_needdump(zone, delay);
+			} else if (result != ISC_R_SUCCESS)
+				dns_zone_log(zone, ISC_LOG_ERROR,
+					     "transfer: could not set file "
+					     "modification time of '%s': %s",
+					     zone->masterfile,
+					     dns_result_totext(result));
+		}
+		DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_NODELAY);
+		inc_stats(zone, dns_zonestatscounter_xfrsuccess);
+		break;
 
-static void
-zone_namerd_tostr(dns_zone_t *zone, char *buf, size_t length) {
-	isc_result_t result = ISC_R_FAILURE;
-	isc_buffer_t buffer;
+	case DNS_R_BADIXFR:
+		/* Force retry with AXFR. */
+		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLAG_NOIXFR);
+		goto same_master;
 
-	REQUIRE(buf != NULL);
-	REQUIRE(length > 1U);
+	default:
+	next_master:
+		/*
+		 * Skip to next failed / untried master.
+		 */
+		do {
+			zone->curmaster++;
+		} while (zone->curmaster < zone->masterscnt &&
+			 zone->mastersok[zone->curmaster]);
+		/* FALLTHROUGH */
+	same_master:
+		if (zone->curmaster >= zone->masterscnt) {
+			zone->curmaster = 0;
+			if (DNS_ZONE_OPTION(zone, DNS_ZONEOPT_USEALTXFRSRC) &&
+			    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_USEALTXFRSRC)) {
+				DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_REFRESH);
+				DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_USEALTXFRSRC);
+				while (zone->curmaster < zone->masterscnt &&
+				       zone->mastersok[zone->curmaster])
+					zone->curmaster++;
+				again = ISC_TRUE;
+			} else
+				DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_USEALTXFRSRC);
+		} else {
+			DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_REFRESH);
+			again = ISC_TRUE;
+		}
+		inc_stats(zone, dns_zonestatscounter_xfrfail);
+		break;
+	}
+	zone_settimer(zone, &now);
 
 	/*
-	 * Leave space for terminating '\0'.
+	 * If creating the transfer object failed, zone->xfr is NULL.
+	 * Otherwise, we are called as the done callback of a zone
+	 * transfer object that just entered its shutting-down
+	 * state.  Since we are no longer responsible for shutting
+	 * it down, we can detach our reference.
 	 */
-	isc_buffer_init(&buffer, buf, length - 1);
-	if (dns_name_dynamic(&zone->origin))
-		result = dns_name_totext(&zone->origin, ISC_TRUE, &buffer);
-	if (result != ISC_R_SUCCESS &&
-	    isc_buffer_availablelength(&buffer) >= (sizeof("") - 1))
-		isc_buffer_putstr(&buffer, "");
+	if (zone->xfr != NULL)
+		dns_xfrin_detach(&zone->xfr);
 
-	if (isc_buffer_availablelength(&buffer) > 0)
-		isc_buffer_putstr(&buffer, "/");
-	(void)dns_rdataclass_totext(zone->rdclass, &buffer);
+	if (zone->tsigkey != NULL)
+		dns_tsigkey_detach(&zone->tsigkey);
 
-	if (zone->view != NULL && strcmp(zone->view->name, "_bind") != 0 &&
-	    strcmp(zone->view->name, "_default") != 0 &&
-	    strlen(zone->view->name) < isc_buffer_availablelength(&buffer)) {
-		isc_buffer_putstr(&buffer, "/");
-		isc_buffer_putstr(&buffer, zone->view->name);
+	/*
+	 * Handle any deferred journal compaction.
+	 */
+	if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NEEDCOMPACT)) {
+		result = dns_journal_compact(zone->mctx, zone->journal,
+					     zone->compact_serial,
+					     zone->journalsize);
+		switch (result) {
+		case ISC_R_SUCCESS:
+		case ISC_R_NOSPACE:
+		case ISC_R_NOTFOUND:
+			dns_zone_log(zone, ISC_LOG_DEBUG(3),
+				     "dns_journal_compact: %s",
+				     dns_result_totext(result));
+			break;
+		default:
+			dns_zone_log(zone, ISC_LOG_ERROR,
+				     "dns_journal_compact failed: %s",
+				     dns_result_totext(result));
+			break;
+		}
+		DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_NEEDCOMPACT);
 	}
 
-	buf[isc_buffer_usedlength(&buffer)] = '\0';
-}
-
-static void
-zone_name_tostr(dns_zone_t *zone, char *buf, size_t length) {
-	isc_result_t result = ISC_R_FAILURE;
-	isc_buffer_t buffer;
-
-	REQUIRE(buf != NULL);
-	REQUIRE(length > 1U);
-
 	/*
-	 * Leave space for terminating '\0'.
+	 * This transfer finishing freed up a transfer quota slot.
+	 * Let any other zones waiting for quota have it.
 	 */
-	isc_buffer_init(&buffer, buf, length - 1);
-	if (dns_name_dynamic(&zone->origin))
-		result = dns_name_totext(&zone->origin, ISC_TRUE, &buffer);
-	if (result != ISC_R_SUCCESS &&
-	    isc_buffer_availablelength(&buffer) >= (sizeof("") - 1))
-		isc_buffer_putstr(&buffer, "");
-
-	buf[isc_buffer_usedlength(&buffer)] = '\0';
-}
-
-static void
-zone_rdclass_tostr(dns_zone_t *zone, char *buf, size_t length) {
-	isc_buffer_t buffer;
-
-	REQUIRE(buf != NULL);
-	REQUIRE(length > 1U);
+	RWLOCK(&zone->zmgr->rwlock, isc_rwlocktype_write);
+	ISC_LIST_UNLINK(zone->zmgr->xfrin_in_progress, zone, statelink);
+	zone->statelist = NULL;
+	zmgr_resume_xfrs(zone->zmgr, ISC_FALSE);
+	RWUNLOCK(&zone->zmgr->rwlock, isc_rwlocktype_write);
 
 	/*
-	 * Leave space for terminating '\0'.
+	 * Retry with a different server if necessary.
 	 */
-	isc_buffer_init(&buffer, buf, length - 1);
-	(void)dns_rdataclass_totext(zone->rdclass, &buffer);
+	if (again && !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_EXITING))
+		queue_soa_query(zone);
 
-	buf[isc_buffer_usedlength(&buffer)] = '\0';
+	INSIST(zone->irefs > 0);
+	zone->irefs--;
+	free_needed = exit_check(zone);
+	UNLOCK_ZONE(zone);
+	if (free_needed)
+		zone_free(zone);
 }
 
 static void
-zone_viewname_tostr(dns_zone_t *zone, char *buf, size_t length) {
-	isc_buffer_t buffer;
+zone_loaddone(void *arg, isc_result_t result) {
+	static char me[] = "zone_loaddone";
+	dns_load_t *load = arg;
+	dns_zone_t *zone;
+	isc_result_t tresult;
 
-	REQUIRE(buf != NULL);
-	REQUIRE(length > 1U);
+	REQUIRE(DNS_LOAD_VALID(load));
+	zone = load->zone;
 
+	ENTER;
+
+	tresult = dns_db_endload(load->db, &load->callbacks.add_private);
+	if (tresult != ISC_R_SUCCESS &&
+	    (result == ISC_R_SUCCESS || result == DNS_R_SEENINCLUDE))
+		result = tresult;
 
+	LOCK_ZONE(load->zone);
+	(void)zone_postload(load->zone, load->db, load->loadtime, result);
+	zonemgr_putio(&load->zone->readio);
+	DNS_ZONE_CLRFLAG(load->zone, DNS_ZONEFLG_LOADING);
 	/*
-	 * Leave space for terminating '\0'.
+	 * Leave the zone frozen if the reload fails.
 	 */
-	isc_buffer_init(&buffer, buf, length - 1);
-
-	if (zone->view == NULL) {
-		isc_buffer_putstr(&buffer, "_none");
-	} else if (strlen(zone->view->name)
-		   < isc_buffer_availablelength(&buffer)) {
-		isc_buffer_putstr(&buffer, zone->view->name);
-	} else {
-		isc_buffer_putstr(&buffer, "_toolong");
-	}
+	if ((result == ISC_R_SUCCESS || result == DNS_R_SEENINCLUDE) &&
+	     DNS_ZONE_FLAG(load->zone, DNS_ZONEFLG_THAW))
+		zone->update_disabled = ISC_FALSE;
+	DNS_ZONE_CLRFLAG(load->zone, DNS_ZONEFLG_THAW);
+	UNLOCK_ZONE(load->zone);
 
-	buf[isc_buffer_usedlength(&buffer)] = '\0';
+	load->magic = 0;
+	dns_db_detach(&load->db);
+	if (load->zone->lctx != NULL)
+		dns_loadctx_detach(&load->zone->lctx);
+	dns_zone_idetach(&load->zone);
+	isc_mem_putanddetach(&load->mctx, load, sizeof(*load));
 }
 
 void
-dns_zone_name(dns_zone_t *zone, char *buf, size_t length) {
+dns_zone_getssutable(dns_zone_t *zone, dns_ssutable_t **table) {
 	REQUIRE(DNS_ZONE_VALID(zone));
-	REQUIRE(buf != NULL);
-	zone_namerd_tostr(zone, buf, length);
-}
-
-static void
-notify_log(dns_zone_t *zone, int level, const char *fmt, ...) {
-	va_list ap;
-	char message[4096];
-
-	if (isc_log_wouldlog(dns_lctx, level) == ISC_FALSE)
-		return;
+	REQUIRE(table != NULL);
+	REQUIRE(*table == NULL);
 
-	va_start(ap, fmt);
-	vsnprintf(message, sizeof(message), fmt, ap);
-	va_end(ap);
-	isc_log_write(dns_lctx, DNS_LOGCATEGORY_NOTIFY, DNS_LOGMODULE_ZONE,
-		      level, "zone %s: %s", zone->strnamerd, message);
+	LOCK_ZONE(zone);
+	if (zone->ssutable != NULL)
+		dns_ssutable_attach(zone->ssutable, table);
+	UNLOCK_ZONE(zone);
 }
 
 void
-dns_zone_logc(dns_zone_t *zone, isc_logcategory_t *category,
-	      int level, const char *fmt, ...) {
-	va_list ap;
-	char message[4096];
-
-	if (isc_log_wouldlog(dns_lctx, level) == ISC_FALSE)
-		return;
+dns_zone_setssutable(dns_zone_t *zone, dns_ssutable_t *table) {
+	REQUIRE(DNS_ZONE_VALID(zone));
 
-	va_start(ap, fmt);
-	vsnprintf(message, sizeof(message), fmt, ap);
-	va_end(ap);
-	isc_log_write(dns_lctx, category, DNS_LOGMODULE_ZONE,
-		      level, "zone %s: %s", zone->strnamerd, message);
+	LOCK_ZONE(zone);
+	if (zone->ssutable != NULL)
+		dns_ssutable_detach(&zone->ssutable);
+	if (table != NULL)
+		dns_ssutable_attach(table, &zone->ssutable);
+	UNLOCK_ZONE(zone);
 }
 
 void
-dns_zone_log(dns_zone_t *zone, int level, const char *fmt, ...) {
-	va_list ap;
-	char message[4096];
-
-	if (isc_log_wouldlog(dns_lctx, level) == ISC_FALSE)
-		return;
-
-	va_start(ap, fmt);
-	vsnprintf(message, sizeof(message), fmt, ap);
-	va_end(ap);
-	isc_log_write(dns_lctx, DNS_LOGCATEGORY_GENERAL, DNS_LOGMODULE_ZONE,
-		      level, "zone %s: %s", zone->strnamerd, message);
-}
-
-static void
-zone_debuglog(dns_zone_t *zone, const char *me, int debuglevel,
-	      const char *fmt, ...)
-{
-	va_list ap;
-	char message[4096];
-	int level = ISC_LOG_DEBUG(debuglevel);
-
-	if (isc_log_wouldlog(dns_lctx, level) == ISC_FALSE)
-		return;
+dns_zone_setsigvalidityinterval(dns_zone_t *zone, isc_uint32_t interval) {
+	REQUIRE(DNS_ZONE_VALID(zone));
 
-	va_start(ap, fmt);
-	vsnprintf(message, sizeof(message), fmt, ap);
-	va_end(ap);
-	isc_log_write(dns_lctx, DNS_LOGCATEGORY_GENERAL, DNS_LOGMODULE_ZONE,
-		      level, "%s: zone %s: %s", me, zone->strnamerd, message);
+	zone->sigvalidityinterval = interval;
 }
 
-static int
-message_count(dns_message_t *msg, dns_section_t section, dns_rdatatype_t type)
-{
-	isc_result_t result;
-	dns_name_t *name;
-	dns_rdataset_t *curr;
-	int count = 0;
-
-	result = dns_message_firstname(msg, section);
-	while (result == ISC_R_SUCCESS) {
-		name = NULL;
-		dns_message_currentname(msg, section, &name);
-
-		for (curr = ISC_LIST_TAIL(name->list); curr != NULL;
-		     curr = ISC_LIST_PREV(curr, link)) {
-			if (curr->type == type)
-				count++;
-		}
-		result = dns_message_nextname(msg, section);
-	}
+isc_uint32_t
+dns_zone_getsigvalidityinterval(dns_zone_t *zone) {
+	REQUIRE(DNS_ZONE_VALID(zone));
 
-	return (count);
+	return (zone->sigvalidityinterval);
 }
 
 void
-dns_zone_setmaxxfrin(dns_zone_t *zone, isc_uint32_t maxxfrin) {
+dns_zone_setsigresigninginterval(dns_zone_t *zone, isc_uint32_t interval) {
 	REQUIRE(DNS_ZONE_VALID(zone));
 
-	zone->maxxfrin = maxxfrin;
+	zone->sigresigninginterval = interval;
 }
 
 isc_uint32_t
-dns_zone_getmaxxfrin(dns_zone_t *zone) {
+dns_zone_getsigresigninginterval(dns_zone_t *zone) {
 	REQUIRE(DNS_ZONE_VALID(zone));
 
-	return (zone->maxxfrin);
+	return (zone->sigresigninginterval);
 }
 
-void
-dns_zone_setmaxxfrout(dns_zone_t *zone, isc_uint32_t maxxfrout) {
-	REQUIRE(DNS_ZONE_VALID(zone));
-	zone->maxxfrout = maxxfrout;
-}
+static void
+queue_xfrin(dns_zone_t *zone) {
+	const char me[] = "queue_xfrin";
+	isc_result_t result;
+	dns_zonemgr_t *zmgr = zone->zmgr;
 
-isc_uint32_t
-dns_zone_getmaxxfrout(dns_zone_t *zone) {
-	REQUIRE(DNS_ZONE_VALID(zone));
+	ENTER;
 
-	return (zone->maxxfrout);
+	INSIST(zone->statelist == NULL);
+
+	RWLOCK(&zmgr->rwlock, isc_rwlocktype_write);
+	ISC_LIST_APPEND(zmgr->waiting_for_xfrin, zone, statelink);
+	LOCK_ZONE(zone);
+	zone->irefs++;
+	UNLOCK_ZONE(zone);
+	zone->statelist = &zmgr->waiting_for_xfrin;
+	result = zmgr_start_xfrin_ifquota(zmgr, zone);
+	RWUNLOCK(&zmgr->rwlock, isc_rwlocktype_write);
+
+	if (result == ISC_R_QUOTA) {
+		dns_zone_logc(zone, DNS_LOGCATEGORY_XFER_IN, ISC_LOG_INFO,
+			      "zone transfer deferred due to quota");
+	} else if (result != ISC_R_SUCCESS) {
+		dns_zone_logc(zone, DNS_LOGCATEGORY_XFER_IN, ISC_LOG_ERROR,
+			      "starting zone transfer: %s",
+			      isc_result_totext(result));
+	}
 }
 
-dns_zonetype_t
-dns_zone_gettype(dns_zone_t *zone) {
-	REQUIRE(DNS_ZONE_VALID(zone));
+/*
+ * This event callback is called when a zone has received
+ * any necessary zone transfer quota.  This is the time
+ * to go ahead and start the transfer.
+ */
+static void
+got_transfer_quota(isc_task_t *task, isc_event_t *event) {
+	isc_result_t result;
+	dns_peer_t *peer = NULL;
+	char master[ISC_SOCKADDR_FORMATSIZE];
+	char source[ISC_SOCKADDR_FORMATSIZE];
+	dns_rdatatype_t xfrtype;
+	dns_zone_t *zone = event->ev_arg;
+	isc_netaddr_t masterip;
+	isc_sockaddr_t sourceaddr;
+	isc_sockaddr_t masteraddr;
+	isc_time_t now;
+	const char *soa_before = "";
+
+	UNUSED(task);
 
-	return (zone->type);
-}
+	INSIST(task == zone->task);
 
-dns_name_t *
-dns_zone_getorigin(dns_zone_t *zone) {
-	REQUIRE(DNS_ZONE_VALID(zone));
+	if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_EXITING)) {
+		result = ISC_R_CANCELED;
+		goto cleanup;
+	}
 
-	return (&zone->origin);
-}
+	TIME_NOW(&now);
 
-void
-dns_zone_settask(dns_zone_t *zone, isc_task_t *task) {
-	REQUIRE(DNS_ZONE_VALID(zone));
+	isc_sockaddr_format(&zone->masteraddr, master, sizeof(master));
+	if (dns_zonemgr_unreachable(zone->zmgr, &zone->masteraddr,
+				    &zone->sourceaddr, &now)) {
+		isc_sockaddr_format(&zone->sourceaddr, source, sizeof(source));
+		dns_zone_log(zone, ISC_LOG_INFO,
+			     "got_transfer_quota: skipping zone transfer as "
+			     "master %s (source %s) is unreachable (cached)",
+			     master, source);
+		result = ISC_R_CANCELED;
+		goto cleanup;
+	}
 
-	LOCK_ZONE(zone);
-	if (zone->task != NULL)
-		isc_task_detach(&zone->task);
-	isc_task_attach(task, &zone->task);
-	ZONEDB_LOCK(&zone->dblock, isc_rwlocktype_read);
-	if (zone->db != NULL)
-		dns_db_settask(zone->db, zone->task);
-	ZONEDB_UNLOCK(&zone->dblock, isc_rwlocktype_read);
-	UNLOCK_ZONE(zone);
-}
+	isc_netaddr_fromsockaddr(&masterip, &zone->masteraddr);
+	(void)dns_peerlist_peerbyaddr(zone->view->peers, &masterip, &peer);
 
-void
-dns_zone_gettask(dns_zone_t *zone, isc_task_t **target) {
-	REQUIRE(DNS_ZONE_VALID(zone));
-	isc_task_attach(zone->task, target);
-}
+	if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_SOABEFOREAXFR))
+		soa_before = "SOA before ";
+	/*
+	 * Decide whether we should request IXFR or AXFR.
+	 */
+	if (zone->db == NULL) {
+		dns_zone_log(zone, ISC_LOG_DEBUG(1),
+			     "no database exists yet, requesting AXFR of "
+			     "initial version from %s", master);
+		xfrtype = dns_rdatatype_axfr;
+	} else if (DNS_ZONE_OPTION(zone, DNS_ZONEOPT_IXFRFROMDIFFS)) {
+		dns_zone_log(zone, ISC_LOG_DEBUG(1), "ixfr-from-differences "
+			     "set, requesting %sAXFR from %s", soa_before,
+			     master);
+		if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_SOABEFOREAXFR))
+			xfrtype = dns_rdatatype_soa;
+		else
+			xfrtype = dns_rdatatype_axfr;
+	} else if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_FORCEXFER)) {
+		dns_zone_log(zone, ISC_LOG_DEBUG(1),
+			     "forced reload, requesting AXFR of "
+			     "initial version from %s", master);
+		xfrtype = dns_rdatatype_axfr;
+	} else if (DNS_ZONE_FLAG(zone, DNS_ZONEFLAG_NOIXFR)) {
+		dns_zone_log(zone, ISC_LOG_DEBUG(1),
+			     "retrying with AXFR from %s due to "
+			     "previous IXFR failure", master);
+		xfrtype = dns_rdatatype_axfr;
+		LOCK_ZONE(zone);
+		DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLAG_NOIXFR);
+		UNLOCK_ZONE(zone);
+	} else {
+		isc_boolean_t use_ixfr = ISC_TRUE;
+		if (peer != NULL &&
+		    dns_peer_getrequestixfr(peer, &use_ixfr) ==
+		    ISC_R_SUCCESS) {
+			; /* Using peer setting */
+		} else {
+			use_ixfr = zone->view->requestixfr;
+		}
+		if (use_ixfr == ISC_FALSE) {
+			dns_zone_log(zone, ISC_LOG_DEBUG(1),
+				     "IXFR disabled, requesting %sAXFR from %s",
+				     soa_before, master);
+			if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_SOABEFOREAXFR))
+				xfrtype = dns_rdatatype_soa;
+			else
+				xfrtype = dns_rdatatype_axfr;
+		} else {
+			dns_zone_log(zone, ISC_LOG_DEBUG(1),
+				     "requesting IXFR from %s", master);
+			xfrtype = dns_rdatatype_ixfr;
+		}
+	}
 
-void
-dns_zone_setidlein(dns_zone_t *zone, isc_uint32_t idlein) {
-	REQUIRE(DNS_ZONE_VALID(zone));
+	/*
+	 * Determine if we should attempt to sign the request with TSIG.
+	 */
+	result = ISC_R_NOTFOUND;
+	/*
+	 * First, look for a tsig key in the master statement, then
+	 * try for a server key.
+	 */
+	if ((zone->masterkeynames != NULL) &&
+	    (zone->masterkeynames[zone->curmaster] != NULL)) {
+		dns_view_t *view = dns_zone_getview(zone);
+		dns_name_t *keyname = zone->masterkeynames[zone->curmaster];
+		result = dns_view_gettsig(view, keyname, &zone->tsigkey);
+	}
+	if (zone->tsigkey == NULL)
+		result = dns_view_getpeertsig(zone->view, &masterip,
+					      &zone->tsigkey);
 
-	if (idlein == 0)
-		idlein = DNS_DEFAULT_IDLEIN;
-	zone->idlein = idlein;
-}
+	if (result != ISC_R_SUCCESS && result != ISC_R_NOTFOUND) {
+		dns_zone_log(zone, ISC_LOG_ERROR,
+			     "could not get TSIG key for zone transfer: %s",
+			     isc_result_totext(result));
+	}
 
-isc_uint32_t
-dns_zone_getidlein(dns_zone_t *zone) {
-	REQUIRE(DNS_ZONE_VALID(zone));
+	LOCK_ZONE(zone);
+	masteraddr = zone->masteraddr;
+	sourceaddr = zone->sourceaddr;
+	UNLOCK_ZONE(zone);
+	INSIST(isc_sockaddr_pf(&masteraddr) == isc_sockaddr_pf(&sourceaddr));
+	result = dns_xfrin_create2(zone, xfrtype, &masteraddr, &sourceaddr,
+				   zone->tsigkey, zone->mctx,
+				   zone->zmgr->timermgr, zone->zmgr->socketmgr,
+				   zone->task, zone_xfrdone, &zone->xfr);
+	if (result == ISC_R_SUCCESS) {
+		LOCK_ZONE(zone);
+		if (xfrtype == dns_rdatatype_axfr) {
+			if (isc_sockaddr_pf(&masteraddr) == PF_INET)
+				inc_stats(zone, dns_zonestatscounter_axfrreqv4);
+			else
+				inc_stats(zone, dns_zonestatscounter_axfrreqv6);
+		} else if (xfrtype == dns_rdatatype_ixfr) {
+			if (isc_sockaddr_pf(&masteraddr) == PF_INET)
+				inc_stats(zone, dns_zonestatscounter_ixfrreqv4);
+			else
+				inc_stats(zone, dns_zonestatscounter_ixfrreqv6);
+		}
+		UNLOCK_ZONE(zone);
+	}
+ cleanup:
+	/*
+	 * Any failure in this function is handled like a failed
+	 * zone transfer.  This ensures that we get removed from
+	 * zmgr->xfrin_in_progress.
+	 */
+	if (result != ISC_R_SUCCESS)
+		zone_xfrdone(zone, result);
 
-	return (zone->idlein);
+	isc_event_free(&event);
 }
 
-void
-dns_zone_setidleout(dns_zone_t *zone, isc_uint32_t idleout) {
-	REQUIRE(DNS_ZONE_VALID(zone));
-
-	zone->idleout = idleout;
-}
+/*
+ * Update forwarding support.
+ */
 
-isc_uint32_t
-dns_zone_getidleout(dns_zone_t *zone) {
-	REQUIRE(DNS_ZONE_VALID(zone));
+static void
+forward_destroy(dns_forward_t *forward) {
 
-	return (zone->idleout);
+	forward->magic = 0;
+	if (forward->request != NULL)
+		dns_request_destroy(&forward->request);
+	if (forward->msgbuf != NULL)
+		isc_buffer_free(&forward->msgbuf);
+	if (forward->zone != NULL)
+		dns_zone_idetach(&forward->zone);
+	isc_mem_putanddetach(&forward->mctx, forward, sizeof(*forward));
 }
 
-static void
-notify_done(isc_task_t *task, isc_event_t *event) {
-	dns_requestevent_t *revent = (dns_requestevent_t *)event;
-	dns_notify_t *notify;
+static isc_result_t
+sendtomaster(dns_forward_t *forward) {
 	isc_result_t result;
-	dns_message_t *message = NULL;
-	isc_buffer_t buf;
-	char rcode[128];
-	char addrbuf[ISC_SOCKADDR_FORMATSIZE];
-
-	UNUSED(task);
-
-	notify = event->ev_arg;
-	REQUIRE(DNS_NOTIFY_VALID(notify));
-	INSIST(task == notify->zone->task);
-
-	isc_buffer_init(&buf, rcode, sizeof(rcode));
-	isc_sockaddr_format(¬ify->dst, addrbuf, sizeof(addrbuf));
+	isc_sockaddr_t src;
 
-	result = revent->result;
-	if (result == ISC_R_SUCCESS)
-		result = dns_message_create(notify->zone->mctx,
-					    DNS_MESSAGE_INTENTPARSE, &message);
-	if (result == ISC_R_SUCCESS)
-		result = dns_request_getresponse(revent->request, message,
-					DNS_MESSAGEPARSE_PRESERVEORDER);
-	if (result == ISC_R_SUCCESS)
-		result = dns_rcode_totext(message->rcode, &buf);
-	if (result == ISC_R_SUCCESS)
-		notify_log(notify->zone, ISC_LOG_DEBUG(3),
-			   "notify response from %s: %.*s",
-			   addrbuf, (int)buf.used, rcode);
-	else
-		notify_log(notify->zone, ISC_LOG_DEBUG(2),
-			   "notify to %s failed: %s", addrbuf,
-			   dns_result_totext(result));
+	LOCK_ZONE(forward->zone);
+	if (forward->which >= forward->zone->masterscnt) {
+		UNLOCK_ZONE(forward->zone);
+		return (ISC_R_NOMORE);
+	}
 
+	forward->addr = forward->zone->masters[forward->which];
 	/*
-	 * Old bind's return formerr if they see a soa record.  Retry w/o
-	 * the soa if we see a formerr and had sent a SOA.
+	 * Always use TCP regardless of whether the original update
+	 * used TCP.
+	 * XXX The timeout may but a bit small if we are far down a
+	 * transfer graph and the master has to try several masters.
 	 */
-	isc_event_free(&event);
-	if (message != NULL && message->rcode == dns_rcode_formerr &&
-	    (notify->flags & DNS_NOTIFY_NOSOA) == 0) {
-		notify->flags |= DNS_NOTIFY_NOSOA;
-		dns_request_destroy(¬ify->request);
-		result = notify_send_queue(notify);
-		if (result != ISC_R_SUCCESS)
-			notify_destroy(notify, ISC_FALSE);
-	} else {
-		if (result == ISC_R_TIMEDOUT)
-			notify_log(notify->zone, ISC_LOG_DEBUG(1),
-				   "notify to %s: retries exceeded", addrbuf);
-		notify_destroy(notify, ISC_FALSE);
+	switch (isc_sockaddr_pf(&forward->addr)) {
+	case PF_INET:
+		src = forward->zone->xfrsource4;
+		break;
+	case PF_INET6:
+		src = forward->zone->xfrsource6;
+		break;
+	default:
+		result = ISC_R_NOTIMPLEMENTED;
+		goto unlock;
 	}
-	if (message != NULL)
-		dns_message_destroy(&message);
+	result = dns_request_createraw(forward->zone->view->requestmgr,
+				       forward->msgbuf,
+				       &src, &forward->addr,
+				       DNS_REQUESTOPT_TCP, 15 /* XXX */,
+				       forward->zone->task,
+				       forward_callback, forward,
+				       &forward->request);
+ unlock:
+	UNLOCK_ZONE(forward->zone);
+	return (result);
 }
 
-isc_result_t
-dns_zone_replacedb(dns_zone_t *zone, dns_db_t *db, isc_boolean_t dump) {
+static void
+forward_callback(isc_task_t *task, isc_event_t *event) {
+	const char me[] = "forward_callback";
+	dns_requestevent_t *revent = (dns_requestevent_t *)event;
+	dns_message_t *msg = NULL;
+	char master[ISC_SOCKADDR_FORMATSIZE];
 	isc_result_t result;
+	dns_forward_t *forward;
+	dns_zone_t *zone;
 
-	REQUIRE(DNS_ZONE_VALID(zone));
-	LOCK_ZONE(zone);
-	ZONEDB_LOCK(&zone->dblock, isc_rwlocktype_write);
-	result = zone_replacedb(zone, db, dump);
-	ZONEDB_UNLOCK(&zone->dblock, isc_rwlocktype_write);
-	UNLOCK_ZONE(zone);
-	return (result);
-}
+	UNUSED(task);
 
-static isc_result_t
-zone_replacedb(dns_zone_t *zone, dns_db_t *db, isc_boolean_t dump) {
-	dns_dbversion_t *ver;
-	isc_result_t result;
-	unsigned int soacount = 0;
-	unsigned int nscount = 0;
+	forward = revent->ev_arg;
+	INSIST(DNS_FORWARD_VALID(forward));
+	zone = forward->zone;
+	INSIST(DNS_ZONE_VALID(zone));
 
-	/*
-	 * 'zone' and 'zonedb' locked by caller.
-	 */
-	REQUIRE(DNS_ZONE_VALID(zone));
-	REQUIRE(LOCKED_ZONE(zone));
+	ENTER;
 
-	result = zone_get_from_db(zone, db, &nscount, &soacount,
-				  NULL, NULL, NULL, NULL, NULL, NULL);
-	if (result == ISC_R_SUCCESS) {
-		if (soacount != 1) {
-			dns_zone_log(zone, ISC_LOG_ERROR,
-				     "has %d SOA records", soacount);
-			result = DNS_R_BADZONE;
-		}
-		if (nscount == 0) {
-			dns_zone_log(zone, ISC_LOG_ERROR, "has no NS records");
-			result = DNS_R_BADZONE;
-		}
-		if (result != ISC_R_SUCCESS)
-			return (result);
-	} else {
-		dns_zone_log(zone, ISC_LOG_ERROR,
-			    "retrieving SOA and NS records failed: %s",
-			    dns_result_totext(result));
-		return (result);
+	isc_sockaddr_format(&forward->addr, master, sizeof(master));
+
+	if (revent->result != ISC_R_SUCCESS) {
+		dns_zone_log(zone, ISC_LOG_INFO,
+			     "could not forward dynamic update to %s: %s",
+			     master, dns_result_totext(revent->result));
+		goto next_master;
 	}
 
-	result = check_nsec3param(zone, db);
+	result = dns_message_create(zone->mctx, DNS_MESSAGE_INTENTPARSE, &msg);
 	if (result != ISC_R_SUCCESS)
-		return (result);
+		goto next_master;
 
-	ver = NULL;
-	dns_db_currentversion(db, &ver);
+	result = dns_request_getresponse(revent->request, msg,
+					 DNS_MESSAGEPARSE_PRESERVEORDER |
+					 DNS_MESSAGEPARSE_CLONEBUFFER);
+	if (result != ISC_R_SUCCESS)
+		goto next_master;
 
+	switch (msg->rcode) {
 	/*
-	 * The initial version of a slave zone is always dumped;
-	 * subsequent versions may be journaled instead if this
-	 * is enabled in the configuration.
+	 * Pass these rcodes back to client.
 	 */
-	if (zone->db != NULL && zone->journal != NULL &&
-	    DNS_ZONE_OPTION(zone, DNS_ZONEOPT_IXFRFROMDIFFS) &&
-	    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_FORCEXFER)) {
-		isc_uint32_t serial, oldserial;
-
-		dns_zone_log(zone, ISC_LOG_DEBUG(3), "generating diffs");
+	case dns_rcode_noerror:
+	case dns_rcode_yxdomain:
+	case dns_rcode_yxrrset:
+	case dns_rcode_nxrrset:
+	case dns_rcode_refused:
+	case dns_rcode_nxdomain:
+		break;
 
-		result = dns_db_getsoaserial(db, ver, &serial);
-		if (result != ISC_R_SUCCESS) {
-			dns_zone_log(zone, ISC_LOG_ERROR,
-				     "ixfr-from-differences: unable to get "
-				     "new serial");
-			goto fail;
-		}
+	/* These should not occur if the masters/zone are valid. */
+	case dns_rcode_notzone:
+	case dns_rcode_notauth: {
+		char rcode[128];
+		isc_buffer_t rb;
 
-		/*
-		 * This is checked in zone_postload() for master zones.
-		 */
-		result = zone_get_from_db(zone, zone->db, NULL, NULL,
-					  &oldserial, NULL, NULL, NULL, NULL,
-					  NULL);
-		RUNTIME_CHECK(result == ISC_R_SUCCESS);
-		if (zone->type == dns_zone_slave &&
-		    !isc_serial_gt(serial, oldserial)) {
-			isc_uint32_t serialmin, serialmax;
-			serialmin = (oldserial + 1) & 0xffffffffU;
-			serialmax = (oldserial + 0x7fffffffU) & 0xffffffffU;
-			dns_zone_log(zone, ISC_LOG_ERROR,
-				     "ixfr-from-differences: failed: "
-				     "new serial (%u) out of range [%u - %u]",
-				     serial, serialmin, serialmax);
-			result = ISC_R_RANGE;
-			goto fail;
-		}
+		isc_buffer_init(&rb, rcode, sizeof(rcode));
+		(void)dns_rcode_totext(msg->rcode, &rb);
+		dns_zone_log(zone, ISC_LOG_WARNING,
+			     "forwarding dynamic update: "
+			     "unexpected response: master %s returned: %.*s",
+			     master, (int)rb.used, rcode);
+		goto next_master;
+	}
 
-		result = dns_db_diff(zone->mctx, db, ver, zone->db, NULL,
-				     zone->journal);
-		if (result != ISC_R_SUCCESS)
-			goto fail;
-		if (dump)
-			zone_needdump(zone, DNS_DUMP_DELAY);
-		else if (zone->journalsize != -1) {
-			result = dns_journal_compact(zone->mctx, zone->journal,
-						     serial, zone->journalsize);
-			switch (result) {
-			case ISC_R_SUCCESS:
-			case ISC_R_NOSPACE:
-			case ISC_R_NOTFOUND:
-				dns_zone_log(zone, ISC_LOG_DEBUG(3),
-					     "dns_journal_compact: %s",
-					     dns_result_totext(result));
-				break;
-			default:
-				dns_zone_log(zone, ISC_LOG_ERROR,
-					     "dns_journal_compact failed: %s",
-					     dns_result_totext(result));
-				break;
-			}
-		}
-	} else {
-		if (dump && zone->masterfile != NULL) {
-			isc_log_write(dns_lctx, DNS_LOGCATEGORY_GENERAL,
-				      DNS_LOGMODULE_ZONE, ISC_LOG_DEBUG(3),
-				      "dumping new zone version");
-			result = dns_db_dump2(db, ver, zone->masterfile,
-					      zone->masterformat);
-			if (result != ISC_R_SUCCESS)
-				goto fail;
+	/* Try another server for these rcodes. */
+	case dns_rcode_formerr:
+	case dns_rcode_servfail:
+	case dns_rcode_notimp:
+	case dns_rcode_badvers:
+	default:
+		goto next_master;
+	}
 
-			/*
-			 * Update the time the zone was updated, so
-			 * dns_zone_load can avoid loading it when
-			 * the server is reloaded.  If isc_time_now
-			 * fails for some reason, all that happens is
-			 * the timestamp is not updated.
-			 */
-			TIME_NOW(&zone->loadtime);
-		}
+	/* call callback */
+	(forward->callback)(forward->callback_arg, ISC_R_SUCCESS, msg);
+	msg = NULL;
+	dns_request_destroy(&forward->request);
+	forward_destroy(forward);
+	isc_event_free(&event);
+	return;
 
-		if (dump && zone->journal != NULL) {
-			/*
-			 * The in-memory database just changed, and
-			 * because 'dump' is set, it didn't change by
-			 * being loaded from disk.  Also, we have not
-			 * journaled diffs for this change.
-			 * Therefore, the on-disk journal is missing
-			 * the deltas for this change.  Since it can
-			 * no longer be used to bring the zone
-			 * up-to-date, it is useless and should be
-			 * removed.
-			 */
-			isc_log_write(dns_lctx, DNS_LOGCATEGORY_GENERAL,
-				      DNS_LOGMODULE_ZONE, ISC_LOG_DEBUG(3),
-				      "removing journal file");
-			if (remove(zone->journal) < 0 && errno != ENOENT) {
-				char strbuf[ISC_STRERRORSIZE];
-				isc__strerror(errno, strbuf, sizeof(strbuf));
-				isc_log_write(dns_lctx,
-					      DNS_LOGCATEGORY_GENERAL,
-					      DNS_LOGMODULE_ZONE,
-					      ISC_LOG_WARNING,
-					      "unable to remove journal "
-					      "'%s': '%s'",
-					      zone->journal, strbuf);
-			}
-		}
+ next_master:
+	if (msg != NULL)
+		dns_message_destroy(&msg);
+	isc_event_free(&event);
+	forward->which++;
+	dns_request_destroy(&forward->request);
+	result = sendtomaster(forward);
+	if (result != ISC_R_SUCCESS) {
+		/* call callback */
+		dns_zone_log(zone, ISC_LOG_DEBUG(3),
+			     "exhausted dynamic update forwarder list");
+		(forward->callback)(forward->callback_arg, result, NULL);
+		forward_destroy(forward);
 	}
+}
+
+isc_result_t
+dns_zone_forwardupdate(dns_zone_t *zone, dns_message_t *msg,
+		       dns_updatecallback_t callback, void *callback_arg)
+{
+	dns_forward_t *forward;
+	isc_result_t result;
+	isc_region_t *mr;
+
+	REQUIRE(DNS_ZONE_VALID(zone));
+	REQUIRE(msg != NULL);
+	REQUIRE(callback != NULL);
+
+	forward = isc_mem_get(zone->mctx, sizeof(*forward));
+	if (forward == NULL)
+		return (ISC_R_NOMEMORY);
+
+	forward->request = NULL;
+	forward->zone = NULL;
+	forward->msgbuf = NULL;
+	forward->which = 0;
+	forward->mctx = 0;
+	forward->callback = callback;
+	forward->callback_arg = callback_arg;
+	forward->magic = FORWARD_MAGIC;
 
-	dns_db_closeversion(db, &ver, ISC_FALSE);
+	mr = dns_message_getrawmessage(msg);
+	if (mr == NULL) {
+		result = ISC_R_UNEXPECTEDEND;
+		goto cleanup;
+	}
 
-	isc_log_write(dns_lctx, DNS_LOGCATEGORY_GENERAL,
-		      DNS_LOGMODULE_ZONE, ISC_LOG_DEBUG(3),
-		      "replacing zone database");
+	result = isc_buffer_allocate(zone->mctx, &forward->msgbuf, mr->length);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+	result = isc_buffer_copyregion(forward->msgbuf, mr);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
 
-	if (zone->db != NULL)
-		zone_detachdb(zone);
-	zone_attachdb(zone, db);
-	dns_db_settask(zone->db, zone->task);
-	DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_LOADED|DNS_ZONEFLG_NEEDNOTIFY);
-	return (ISC_R_SUCCESS);
+	isc_mem_attach(zone->mctx, &forward->mctx);
+	dns_zone_iattach(zone, &forward->zone);
+	result = sendtomaster(forward);
 
- fail:
-	dns_db_closeversion(db, &ver, ISC_FALSE);
+ cleanup:
+	if (result != ISC_R_SUCCESS) {
+		forward_destroy(forward);
+	}
 	return (result);
 }
 
-/* The caller must hold the dblock as a writer. */
-static inline void
-zone_attachdb(dns_zone_t *zone, dns_db_t *db) {
-	REQUIRE(zone->db == NULL && db != NULL);
+isc_result_t
+dns_zone_next(dns_zone_t *zone, dns_zone_t **next) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+	REQUIRE(next != NULL && *next == NULL);
 
-	dns_db_attach(db, &zone->db);
-	if (zone->acache != NULL) {
-		isc_result_t result;
-		result = dns_acache_setdb(zone->acache, db);
-		if (result != ISC_R_SUCCESS && result != ISC_R_EXISTS) {
-			UNEXPECTED_ERROR(__FILE__, __LINE__,
-					 "dns_acache_setdb() failed: %s",
-					 isc_result_totext(result));
-		}
-	}
+	*next = ISC_LIST_NEXT(zone, link);
+	if (*next == NULL)
+		return (ISC_R_NOMORE);
+	else
+		return (ISC_R_SUCCESS);
 }
 
-/* The caller must hold the dblock as a writer. */
-static inline void
-zone_detachdb(dns_zone_t *zone) {
-	REQUIRE(zone->db != NULL);
+isc_result_t
+dns_zone_first(dns_zonemgr_t *zmgr, dns_zone_t **first) {
+	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
+	REQUIRE(first != NULL && *first == NULL);
 
-	if (zone->acache != NULL)
-		(void)dns_acache_putdb(zone->acache, zone->db);
-	dns_db_detach(&zone->db);
+	*first = ISC_LIST_HEAD(zmgr->zones);
+	if (*first == NULL)
+		return (ISC_R_NOMORE);
+	else
+		return (ISC_R_SUCCESS);
 }
 
-static void
-zone_xfrdone(dns_zone_t *zone, isc_result_t result) {
-	isc_time_t now;
-	isc_boolean_t again = ISC_FALSE;
-	unsigned int soacount;
-	unsigned int nscount;
-	isc_uint32_t serial, refresh, retry, expire, minimum;
-	isc_result_t xfrresult = result;
-	isc_boolean_t free_needed;
+/***
+ ***	Zone manager.
+ ***/
 
-	REQUIRE(DNS_ZONE_VALID(zone));
+isc_result_t
+dns_zonemgr_create(isc_mem_t *mctx, isc_taskmgr_t *taskmgr,
+		   isc_timermgr_t *timermgr, isc_socketmgr_t *socketmgr,
+		   dns_zonemgr_t **zmgrp)
+{
+	dns_zonemgr_t *zmgr;
+	isc_result_t result;
+	isc_interval_t interval;
 
-	dns_zone_log(zone, ISC_LOG_DEBUG(1),
-		     "zone transfer finished: %s", dns_result_totext(result));
+	zmgr = isc_mem_get(mctx, sizeof(*zmgr));
+	if (zmgr == NULL)
+		return (ISC_R_NOMEMORY);
+	zmgr->mctx = NULL;
+	zmgr->refs = 1;
+	isc_mem_attach(mctx, &zmgr->mctx);
+	zmgr->taskmgr = taskmgr;
+	zmgr->timermgr = timermgr;
+	zmgr->socketmgr = socketmgr;
+	zmgr->zonetasks = NULL;
+	zmgr->task = NULL;
+	zmgr->rl = NULL;
+	ISC_LIST_INIT(zmgr->zones);
+	ISC_LIST_INIT(zmgr->waiting_for_xfrin);
+	ISC_LIST_INIT(zmgr->xfrin_in_progress);
+	memset(zmgr->unreachable, 0, sizeof(zmgr->unreachable));
+	result = isc_rwlock_init(&zmgr->rwlock, 0, 0);
+	if (result != ISC_R_SUCCESS)
+		goto free_mem;
 
-	LOCK_ZONE(zone);
-	INSIST((zone->flags & DNS_ZONEFLG_REFRESH) != 0);
-	DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_REFRESH);
-	DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_SOABEFOREAXFR);
+	zmgr->transfersin = 10;
+	zmgr->transfersperns = 2;
 
-	TIME_NOW(&now);
-	switch (result) {
-	case ISC_R_SUCCESS:
-		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_NEEDNOTIFY);
-		/*FALLTHROUGH*/
-	case DNS_R_UPTODATE:
-		DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_FORCEXFER);
-		/*
-		 * Has the zone expired underneath us?
-		 */
-		ZONEDB_LOCK(&zone->dblock, isc_rwlocktype_read);
-		if (zone->db == NULL) {
-			ZONEDB_UNLOCK(&zone->dblock, isc_rwlocktype_read);
-			goto same_master;
-		}
+	/* Create the zone task pool. */
+	result = isc_taskpool_create(taskmgr, mctx,
+				     8 /* XXX */, 2, &zmgr->zonetasks);
+	if (result != ISC_R_SUCCESS)
+		goto free_rwlock;
 
-		/*
-		 * Update the zone structure's data from the actual
-		 * SOA received.
-		 */
-		nscount = 0;
-		soacount = 0;
-		INSIST(zone->db != NULL);
-		result = zone_get_from_db(zone, zone->db, &nscount,
-					  &soacount, &serial, &refresh,
-					  &retry, &expire, &minimum, NULL);
-		ZONEDB_UNLOCK(&zone->dblock, isc_rwlocktype_read);
-		if (result == ISC_R_SUCCESS) {
-			if (soacount != 1)
-				dns_zone_log(zone, ISC_LOG_ERROR,
-					     "transferred zone "
-					     "has %d SOA record%s", soacount,
-					     (soacount != 0) ? "s" : "");
-			if (nscount == 0) {
-				dns_zone_log(zone, ISC_LOG_ERROR,
-					     "transferred zone "
-					     "has no NS records");
-				if (DNS_ZONE_FLAG(zone,
-						  DNS_ZONEFLG_HAVETIMERS)) {
-					zone->refresh = DNS_ZONE_DEFAULTREFRESH;
-					zone->retry = DNS_ZONE_DEFAULTRETRY;
-				}
-				DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_HAVETIMERS);
-				zone_unload(zone);
-				goto next_master;
-			}
-			zone->refresh = RANGE(refresh, zone->minrefresh,
-					      zone->maxrefresh);
-			zone->retry = RANGE(retry, zone->minretry,
-					    zone->maxretry);
-			zone->expire = RANGE(expire,
-					     zone->refresh + zone->retry,
-					     DNS_MAX_EXPIRE);
-			zone->minimum = minimum;
-			DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_HAVETIMERS);
-		}
+	/* Create a single task for queueing of SOA queries. */
+	result = isc_task_create(taskmgr, 1, &zmgr->task);
+	if (result != ISC_R_SUCCESS)
+		goto free_taskpool;
+	isc_task_setname(zmgr->task, "zmgr", zmgr);
+	result = isc_ratelimiter_create(mctx, timermgr, zmgr->task,
+					&zmgr->rl);
+	if (result != ISC_R_SUCCESS)
+		goto free_task;
+	/* default to 20 refresh queries / notifies per second. */
+	isc_interval_set(&interval, 0, 1000000000/2);
+	result = isc_ratelimiter_setinterval(zmgr->rl, &interval);
+	RUNTIME_CHECK(result == ISC_R_SUCCESS);
+	isc_ratelimiter_setpertic(zmgr->rl, 10);
 
-		/*
-		 * Set our next update/expire times.
-		 */
-		if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NEEDREFRESH)) {
-			DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_NEEDREFRESH);
-			zone->refreshtime = now;
-			DNS_ZONE_TIME_ADD(&now, zone->expire,
-					  &zone->expiretime);
-		} else {
-			DNS_ZONE_JITTER_ADD(&now, zone->refresh,
-					    &zone->refreshtime);
-			DNS_ZONE_TIME_ADD(&now, zone->expire,
-					  &zone->expiretime);
-		}
-		if (result == ISC_R_SUCCESS && xfrresult == ISC_R_SUCCESS) {
-			char buf[DNS_NAME_FORMATSIZE + sizeof(": TSIG ''")];
-			if (zone->tsigkey != NULL) {
-				char namebuf[DNS_NAME_FORMATSIZE];
-				dns_name_format(&zone->tsigkey->name, namebuf,
-						sizeof(namebuf));
-				snprintf(buf, sizeof(buf), ": TSIG '%s'",
-					 namebuf);
-			} else
-				buf[0] = '\0';
-			dns_zone_log(zone, ISC_LOG_INFO,
-				     "transferred serial %u%s",
-				     serial, buf);
-		}
+	zmgr->iolimit = 1;
+	zmgr->ioactive = 0;
+	ISC_LIST_INIT(zmgr->high);
+	ISC_LIST_INIT(zmgr->low);
+
+	result = isc_mutex_init(&zmgr->iolock);
+	if (result != ISC_R_SUCCESS)
+		goto free_rl;
+
+	zmgr->magic = ZONEMGR_MAGIC;
+
+	*zmgrp = zmgr;
+	return (ISC_R_SUCCESS);
+
+#if 0
+ free_iolock:
+	DESTROYLOCK(&zmgr->iolock);
+#endif
+ free_rl:
+	isc_ratelimiter_detach(&zmgr->rl);
+ free_task:
+	isc_task_detach(&zmgr->task);
+ free_taskpool:
+	isc_taskpool_destroy(&zmgr->zonetasks);
+ free_rwlock:
+	isc_rwlock_destroy(&zmgr->rwlock);
+ free_mem:
+	isc_mem_put(zmgr->mctx, zmgr, sizeof(*zmgr));
+	isc_mem_detach(&mctx);
+	return (result);
+}
 
-		/*
-		 * This is not necessary if we just performed a AXFR
-		 * however it is necessary for an IXFR / UPTODATE and
-		 * won't hurt with an AXFR.
-		 */
-		if (zone->masterfile != NULL || zone->journal != NULL) {
-			result = ISC_R_FAILURE;
-			if (zone->journal != NULL)
-				result = isc_file_settime(zone->journal, &now);
-			if (result != ISC_R_SUCCESS &&
-			    zone->masterfile != NULL)
-				result = isc_file_settime(zone->masterfile,
-							  &now);
-			/* Someone removed the file from underneath us! */
-			if (result == ISC_R_FILENOTFOUND &&
-			    zone->masterfile != NULL)
-				zone_needdump(zone, DNS_DUMP_DELAY);
-			else if (result != ISC_R_SUCCESS)
-				dns_zone_log(zone, ISC_LOG_ERROR,
-					     "transfer: could not set file "
-					     "modification time of '%s': %s",
-					     zone->masterfile,
-					     dns_result_totext(result));
-		}
+isc_result_t
+dns_zonemgr_managezone(dns_zonemgr_t *zmgr, dns_zone_t *zone) {
+	isc_result_t result;
 
-		inc_stats(zone, dns_zonestatscounter_xfrsuccess);
-		break;
+	REQUIRE(DNS_ZONE_VALID(zone));
+	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
 
-	case DNS_R_BADIXFR:
-		/* Force retry with AXFR. */
-		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLAG_NOIXFR);
-		goto same_master;
+	RWLOCK(&zmgr->rwlock, isc_rwlocktype_write);
+	LOCK_ZONE(zone);
+	REQUIRE(zone->task == NULL);
+	REQUIRE(zone->timer == NULL);
+	REQUIRE(zone->zmgr == NULL);
 
-	default:
-	next_master:
-		/*
-		 * Skip to next failed / untried master.
-		 */
-		do {
-			zone->curmaster++;
-		} while (zone->curmaster < zone->masterscnt &&
-			 zone->mastersok[zone->curmaster]);
-		/* FALLTHROUGH */
-	same_master:
-		if (zone->curmaster >= zone->masterscnt) {
-			zone->curmaster = 0;
-			if (DNS_ZONE_OPTION(zone, DNS_ZONEOPT_USEALTXFRSRC) &&
-			    !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_USEALTXFRSRC)) {
-				DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_REFRESH);
-				DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_USEALTXFRSRC);
-				while (zone->curmaster < zone->masterscnt &&
-				       zone->mastersok[zone->curmaster])
-					zone->curmaster++;
-				again = ISC_TRUE;
-			} else
-				DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_USEALTXFRSRC);
-		} else {
-			DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_REFRESH);
-			again = ISC_TRUE;
-		}
-		inc_stats(zone, dns_zonestatscounter_xfrfail);
-		break;
-	}
-	zone_settimer(zone, &now);
+	isc_taskpool_gettask(zmgr->zonetasks,
+			     dns_name_hash(dns_zone_getorigin(zone),
+					   ISC_FALSE),
+			     &zone->task);
 
 	/*
-	 * If creating the transfer object failed, zone->xfr is NULL.
-	 * Otherwise, we are called as the done callback of a zone
-	 * transfer object that just entered its shutting-down
-	 * state.  Since we are no longer responsible for shutting
-	 * it down, we can detach our reference.
+	 * Set the task name.  The tag will arbitrarily point to one
+	 * of the zones sharing the task (in practice, the one
+	 * to be managed last).
 	 */
-	if (zone->xfr != NULL)
-		dns_xfrin_detach(&zone->xfr);
+	isc_task_setname(zone->task, "zone", zone);
 
-	if (zone->tsigkey != NULL)
-		dns_tsigkey_detach(&zone->tsigkey);
+	result = isc_timer_create(zmgr->timermgr, isc_timertype_inactive,
+				  NULL, NULL,
+				  zone->task, zone_timer, zone,
+				  &zone->timer);
 
-	/*
-	 * Handle any deferred journal compaction.
-	 */
-	if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_NEEDCOMPACT)) {
-		result = dns_journal_compact(zone->mctx, zone->journal,
-					     zone->compact_serial,
-					     zone->journalsize);
-		switch (result) {
-		case ISC_R_SUCCESS:
-		case ISC_R_NOSPACE:
-		case ISC_R_NOTFOUND:
-			dns_zone_log(zone, ISC_LOG_DEBUG(3),
-				     "dns_journal_compact: %s",
-				     dns_result_totext(result));
-			break;
-		default:
-			dns_zone_log(zone, ISC_LOG_ERROR,
-				     "dns_journal_compact failed: %s",
-				     dns_result_totext(result));
-			break;
-		}
-		DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_NEEDCOMPACT);
-	}
+	if (result != ISC_R_SUCCESS)
+		goto cleanup_task;
 
 	/*
-	 * This transfer finishing freed up a transfer quota slot.
-	 * Let any other zones waiting for quota have it.
+	 * The timer "holds" a iref.
 	 */
-	RWLOCK(&zone->zmgr->rwlock, isc_rwlocktype_write);
-	ISC_LIST_UNLINK(zone->zmgr->xfrin_in_progress, zone, statelink);
-	zone->statelist = NULL;
-	zmgr_resume_xfrs(zone->zmgr, ISC_FALSE);
-	RWUNLOCK(&zone->zmgr->rwlock, isc_rwlocktype_write);
+	zone->irefs++;
+	INSIST(zone->irefs != 0);
 
-	/*
-	 * Retry with a different server if necessary.
-	 */
-	if (again && !DNS_ZONE_FLAG(zone, DNS_ZONEFLG_EXITING))
-		queue_soa_query(zone);
+	ISC_LIST_APPEND(zmgr->zones, zone, link);
+	zone->zmgr = zmgr;
+	zmgr->refs++;
 
-	INSIST(zone->irefs > 0);
-	zone->irefs--;
-	free_needed = exit_check(zone);
+	goto unlock;
+
+ cleanup_task:
+	isc_task_detach(&zone->task);
+
+ unlock:
 	UNLOCK_ZONE(zone);
-	if (free_needed)
-		zone_free(zone);
+	RWUNLOCK(&zmgr->rwlock, isc_rwlocktype_write);
+	return (result);
 }
 
-static void
-zone_loaddone(void *arg, isc_result_t result) {
-	static char me[] = "zone_loaddone";
-	dns_load_t *load = arg;
-	dns_zone_t *zone;
-	isc_result_t tresult;
+void
+dns_zonemgr_releasezone(dns_zonemgr_t *zmgr, dns_zone_t *zone) {
+	isc_boolean_t free_now = ISC_FALSE;
 
-	REQUIRE(DNS_LOAD_VALID(load));
-	zone = load->zone;
+	REQUIRE(DNS_ZONE_VALID(zone));
+	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
+	REQUIRE(zone->zmgr == zmgr);
 
-	ENTER;
+	RWLOCK(&zmgr->rwlock, isc_rwlocktype_write);
+	LOCK_ZONE(zone);
 
-	tresult = dns_db_endload(load->db, &load->callbacks.add_private);
-	if (tresult != ISC_R_SUCCESS &&
-	    (result == ISC_R_SUCCESS || result == DNS_R_SEENINCLUDE))
-		result = tresult;
+	ISC_LIST_UNLINK(zmgr->zones, zone, link);
+	zone->zmgr = NULL;
+	zmgr->refs--;
+	if (zmgr->refs == 0)
+		free_now = ISC_TRUE;
+
+	UNLOCK_ZONE(zone);
+	RWUNLOCK(&zmgr->rwlock, isc_rwlocktype_write);
+
+	if (free_now)
+		zonemgr_free(zmgr);
+	ENSURE(zone->zmgr == NULL);
+}
+
+void
+dns_zonemgr_attach(dns_zonemgr_t *source, dns_zonemgr_t **target) {
+	REQUIRE(DNS_ZONEMGR_VALID(source));
+	REQUIRE(target != NULL && *target == NULL);
+
+	RWLOCK(&source->rwlock, isc_rwlocktype_write);
+	REQUIRE(source->refs > 0);
+	source->refs++;
+	INSIST(source->refs > 0);
+	RWUNLOCK(&source->rwlock, isc_rwlocktype_write);
+	*target = source;
+}
+
+void
+dns_zonemgr_detach(dns_zonemgr_t **zmgrp) {
+	dns_zonemgr_t *zmgr;
+	isc_boolean_t free_now = ISC_FALSE;
+
+	REQUIRE(zmgrp != NULL);
+	zmgr = *zmgrp;
+	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
+
+	RWLOCK(&zmgr->rwlock, isc_rwlocktype_write);
+	zmgr->refs--;
+	if (zmgr->refs == 0)
+		free_now = ISC_TRUE;
+	RWUNLOCK(&zmgr->rwlock, isc_rwlocktype_write);
+
+	if (free_now)
+		zonemgr_free(zmgr);
+}
+
+isc_result_t
+dns_zonemgr_forcemaint(dns_zonemgr_t *zmgr) {
+	dns_zone_t *p;
+
+	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
+
+	RWLOCK(&zmgr->rwlock, isc_rwlocktype_read);
+	for (p = ISC_LIST_HEAD(zmgr->zones);
+	     p != NULL;
+	     p = ISC_LIST_NEXT(p, link))
+	{
+		dns_zone_maintenance(p);
+	}
+	RWUNLOCK(&zmgr->rwlock, isc_rwlocktype_read);
 
-	LOCK_ZONE(load->zone);
-	(void)zone_postload(load->zone, load->db, load->loadtime, result);
-	zonemgr_putio(&load->zone->readio);
-	DNS_ZONE_CLRFLAG(load->zone, DNS_ZONEFLG_LOADING);
 	/*
-	 * Leave the zone frozen if the reload fails.
+	 * Recent configuration changes may have increased the
+	 * amount of available transfers quota.  Make sure any
+	 * transfers currently blocked on quota get started if
+	 * possible.
 	 */
-	if ((result == ISC_R_SUCCESS || result == DNS_R_SEENINCLUDE) &&
-	     DNS_ZONE_FLAG(load->zone, DNS_ZONEFLG_THAW))
-		zone->update_disabled = ISC_FALSE;
-	DNS_ZONE_CLRFLAG(load->zone, DNS_ZONEFLG_THAW);
-	UNLOCK_ZONE(load->zone);
+	RWLOCK(&zmgr->rwlock, isc_rwlocktype_write);
+	zmgr_resume_xfrs(zmgr, ISC_TRUE);
+	RWUNLOCK(&zmgr->rwlock, isc_rwlocktype_write);
+	return (ISC_R_SUCCESS);
+}
 
-	load->magic = 0;
-	dns_db_detach(&load->db);
-	if (load->zone->lctx != NULL)
-		dns_loadctx_detach(&load->zone->lctx);
-	dns_zone_idetach(&load->zone);
-	isc_mem_putanddetach(&load->mctx, load, sizeof(*load));
+void
+dns_zonemgr_resumexfrs(dns_zonemgr_t *zmgr) {
+
+	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
+
+	RWLOCK(&zmgr->rwlock, isc_rwlocktype_write);
+	zmgr_resume_xfrs(zmgr, ISC_TRUE);
+	RWUNLOCK(&zmgr->rwlock, isc_rwlocktype_write);
 }
 
 void
-dns_zone_getssutable(dns_zone_t *zone, dns_ssutable_t **table) {
-	REQUIRE(DNS_ZONE_VALID(zone));
-	REQUIRE(table != NULL);
-	REQUIRE(*table == NULL);
+dns_zonemgr_shutdown(dns_zonemgr_t *zmgr) {
+	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
 
-	LOCK_ZONE(zone);
-	if (zone->ssutable != NULL)
-		dns_ssutable_attach(zone->ssutable, table);
-	UNLOCK_ZONE(zone);
+	isc_ratelimiter_shutdown(zmgr->rl);
+
+	if (zmgr->task != NULL)
+		isc_task_destroy(&zmgr->task);
+	if (zmgr->zonetasks != NULL)
+		isc_taskpool_destroy(&zmgr->zonetasks);
 }
 
-void
-dns_zone_setssutable(dns_zone_t *zone, dns_ssutable_t *table) {
-	REQUIRE(DNS_ZONE_VALID(zone));
+static void
+zonemgr_free(dns_zonemgr_t *zmgr) {
+	isc_mem_t *mctx;
 
-	LOCK_ZONE(zone);
-	if (zone->ssutable != NULL)
-		dns_ssutable_detach(&zone->ssutable);
-	if (table != NULL)
-		dns_ssutable_attach(table, &zone->ssutable);
-	UNLOCK_ZONE(zone);
+	INSIST(zmgr->refs == 0);
+	INSIST(ISC_LIST_EMPTY(zmgr->zones));
+
+	zmgr->magic = 0;
+
+	DESTROYLOCK(&zmgr->iolock);
+	isc_ratelimiter_detach(&zmgr->rl);
+
+	isc_rwlock_destroy(&zmgr->rwlock);
+	mctx = zmgr->mctx;
+	isc_mem_put(zmgr->mctx, zmgr, sizeof(*zmgr));
+	isc_mem_detach(&mctx);
 }
 
 void
-dns_zone_setsigvalidityinterval(dns_zone_t *zone, isc_uint32_t interval) {
-	REQUIRE(DNS_ZONE_VALID(zone));
+dns_zonemgr_settransfersin(dns_zonemgr_t *zmgr, isc_uint32_t value) {
+	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
 
-	zone->sigvalidityinterval = interval;
+	zmgr->transfersin = value;
 }
 
 isc_uint32_t
-dns_zone_getsigvalidityinterval(dns_zone_t *zone) {
-	REQUIRE(DNS_ZONE_VALID(zone));
+dns_zonemgr_getttransfersin(dns_zonemgr_t *zmgr) {
+	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
 
-	return (zone->sigvalidityinterval);
+	return (zmgr->transfersin);
 }
 
 void
-dns_zone_setsigresigninginterval(dns_zone_t *zone, isc_uint32_t interval) {
-	REQUIRE(DNS_ZONE_VALID(zone));
+dns_zonemgr_settransfersperns(dns_zonemgr_t *zmgr, isc_uint32_t value) {
+	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
 
-	zone->sigresigninginterval = interval;
+	zmgr->transfersperns = value;
 }
 
 isc_uint32_t
-dns_zone_getsigresigninginterval(dns_zone_t *zone) {
-	REQUIRE(DNS_ZONE_VALID(zone));
+dns_zonemgr_getttransfersperns(dns_zonemgr_t *zmgr) {
+	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
 
-	return (zone->sigresigninginterval);
+	return (zmgr->transfersperns);
 }
 
+/*
+ * Try to start a new incoming zone transfer to fill a quota
+ * slot that was just vacated.
+ *
+ * Requires:
+ *	The zone manager is locked by the caller.
+ */
 static void
-queue_xfrin(dns_zone_t *zone) {
-	const char me[] = "queue_xfrin";
-	isc_result_t result;
-	dns_zonemgr_t *zmgr = zone->zmgr;
-
-	ENTER;
-
-	INSIST(zone->statelist == NULL);
-
-	RWLOCK(&zmgr->rwlock, isc_rwlocktype_write);
-	ISC_LIST_APPEND(zmgr->waiting_for_xfrin, zone, statelink);
-	LOCK_ZONE(zone);
-	zone->irefs++;
-	UNLOCK_ZONE(zone);
-	zone->statelist = &zmgr->waiting_for_xfrin;
-	result = zmgr_start_xfrin_ifquota(zmgr, zone);
-	RWUNLOCK(&zmgr->rwlock, isc_rwlocktype_write);
+zmgr_resume_xfrs(dns_zonemgr_t *zmgr, isc_boolean_t multi) {
+	dns_zone_t *zone;
+	dns_zone_t *next;
 
-	if (result == ISC_R_QUOTA) {
-		dns_zone_logc(zone, DNS_LOGCATEGORY_XFER_IN, ISC_LOG_INFO,
-			      "zone transfer deferred due to quota");
-	} else if (result != ISC_R_SUCCESS) {
-		dns_zone_logc(zone, DNS_LOGCATEGORY_XFER_IN, ISC_LOG_ERROR,
-			      "starting zone transfer: %s",
-			      isc_result_totext(result));
+	for (zone = ISC_LIST_HEAD(zmgr->waiting_for_xfrin);
+	     zone != NULL;
+	     zone = next)
+	{
+		isc_result_t result;
+		next = ISC_LIST_NEXT(zone, statelink);
+		result = zmgr_start_xfrin_ifquota(zmgr, zone);
+		if (result == ISC_R_SUCCESS) {
+			if (multi)
+				continue;
+			/*
+			 * We successfully filled the slot.  We're done.
+			 */
+			break;
+		} else if (result == ISC_R_QUOTA) {
+			/*
+			 * Not enough quota.  This is probably the per-server
+			 * quota, because we usually get called when a unit of
+			 * global quota has just been freed.  Try the next
+			 * zone, it may succeed if it uses another master.
+			 */
+			continue;
+		} else {
+			dns_zone_log(zone, ISC_LOG_DEBUG(1),
+				     "starting zone transfer: %s",
+				     isc_result_totext(result));
+			break;
+		}
 	}
 }
 
 /*
- * This event callback is called when a zone has received
- * any necessary zone transfer quota.  This is the time
- * to go ahead and start the transfer.
+ * Try to start an incoming zone transfer for 'zone', quota permitting.
+ *
+ * Requires:
+ *	The zone manager is locked by the caller.
+ *
+ * Returns:
+ *	ISC_R_SUCCESS	There was enough quota and we attempted to
+ *			start a transfer.  zone_xfrdone() has been or will
+ *			be called.
+ *	ISC_R_QUOTA	Not enough quota.
+ *	Others		Failure.
  */
-static void
-got_transfer_quota(isc_task_t *task, isc_event_t *event) {
-	isc_result_t result;
+static isc_result_t
+zmgr_start_xfrin_ifquota(dns_zonemgr_t *zmgr, dns_zone_t *zone) {
 	dns_peer_t *peer = NULL;
-	char master[ISC_SOCKADDR_FORMATSIZE];
-	char source[ISC_SOCKADDR_FORMATSIZE];
-	dns_rdatatype_t xfrtype;
-	dns_zone_t *zone = event->ev_arg;
 	isc_netaddr_t masterip;
-	isc_sockaddr_t sourceaddr;
-	isc_sockaddr_t masteraddr;
-	isc_time_t now;
-	const char *soa_before = "";
-
-	UNUSED(task);
-
-	INSIST(task == zone->task);
-
-	if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_EXITING)) {
-		result = ISC_R_CANCELED;
-		goto cleanup;
-	}
-
-	TIME_NOW(&now);
-
-	isc_sockaddr_format(&zone->masteraddr, master, sizeof(master));
-	if (dns_zonemgr_unreachable(zone->zmgr, &zone->masteraddr,
-				    &zone->sourceaddr, &now)) {
-		isc_sockaddr_format(&zone->sourceaddr, source, sizeof(source));
-		dns_zone_log(zone, ISC_LOG_INFO,
-			     "got_transfer_quota: skipping zone transfer as "
-			     "master %s (source %s) is unreachable (cached)",
-			     master, source);
-		result = ISC_R_CANCELED;
-		goto cleanup;
-	}
-
-	isc_netaddr_fromsockaddr(&masterip, &zone->masteraddr);
-	(void)dns_peerlist_peerbyaddr(zone->view->peers, &masterip, &peer);
+	isc_uint32_t nxfrsin, nxfrsperns;
+	dns_zone_t *x;
+	isc_uint32_t maxtransfersin, maxtransfersperns;
+	isc_event_t *e;
 
-	if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_SOABEFOREAXFR))
-		soa_before = "SOA before ";
 	/*
-	 * Decide whether we should request IXFR or AXFR.
+	 * Find any configured information about the server we'd
+	 * like to transfer this zone from.
 	 */
-	if (zone->db == NULL) {
-		dns_zone_log(zone, ISC_LOG_DEBUG(1),
-			     "no database exists yet, requesting AXFR of "
-			     "initial version from %s", master);
-		xfrtype = dns_rdatatype_axfr;
-	} else if (DNS_ZONE_OPTION(zone, DNS_ZONEOPT_IXFRFROMDIFFS)) {
-		dns_zone_log(zone, ISC_LOG_DEBUG(1), "ixfr-from-differences "
-			     "set, requesting %sAXFR from %s", soa_before,
-			     master);
-		if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_SOABEFOREAXFR))
-			xfrtype = dns_rdatatype_soa;
-		else
-			xfrtype = dns_rdatatype_axfr;
-	} else if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_FORCEXFER)) {
-		dns_zone_log(zone, ISC_LOG_DEBUG(1),
-			     "forced reload, requesting AXFR of "
-			     "initial version from %s", master);
-		xfrtype = dns_rdatatype_axfr;
-	} else if (DNS_ZONE_FLAG(zone, DNS_ZONEFLAG_NOIXFR)) {
-		dns_zone_log(zone, ISC_LOG_DEBUG(1),
-			     "retrying with AXFR from %s due to "
-			     "previous IXFR failure", master);
-		xfrtype = dns_rdatatype_axfr;
-		LOCK_ZONE(zone);
-		DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLAG_NOIXFR);
-		UNLOCK_ZONE(zone);
-	} else {
-		isc_boolean_t use_ixfr = ISC_TRUE;
-		if (peer != NULL &&
-		    dns_peer_getrequestixfr(peer, &use_ixfr) ==
-		    ISC_R_SUCCESS) {
-			; /* Using peer setting */
-		} else {
-			use_ixfr = zone->view->requestixfr;
-		}
-		if (use_ixfr == ISC_FALSE) {
-			dns_zone_log(zone, ISC_LOG_DEBUG(1),
-				     "IXFR disabled, requesting %sAXFR from %s",
-				     soa_before, master);
-			if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_SOABEFOREAXFR))
-				xfrtype = dns_rdatatype_soa;
-			else
-				xfrtype = dns_rdatatype_axfr;
-		} else {
-			dns_zone_log(zone, ISC_LOG_DEBUG(1),
-				     "requesting IXFR from %s", master);
-			xfrtype = dns_rdatatype_ixfr;
-		}
-	}
+	isc_netaddr_fromsockaddr(&masterip, &zone->masteraddr);
+	(void)dns_peerlist_peerbyaddr(zone->view->peers,
+				      &masterip, &peer);
 
 	/*
-	 * Determine if we should attempt to sign the request with TSIG.
+	 * Determine the total maximum number of simultaneous
+	 * transfers allowed, and the maximum for this specific
+	 * master.
 	 */
-	result = ISC_R_NOTFOUND;
+	maxtransfersin = zmgr->transfersin;
+	maxtransfersperns = zmgr->transfersperns;
+	if (peer != NULL)
+		(void)dns_peer_gettransfers(peer, &maxtransfersperns);
+
 	/*
-	 * First, look for a tsig key in the master statement, then
-	 * try for a server key.
+	 * Count the total number of transfers that are in progress,
+	 * and the number of transfers in progress from this master.
+	 * We linearly scan a list of all transfers; if this turns
+	 * out to be too slow, we could hash on the master address.
 	 */
-	if ((zone->masterkeynames != NULL) &&
-	    (zone->masterkeynames[zone->curmaster] != NULL)) {
-		dns_view_t *view = dns_zone_getview(zone);
-		dns_name_t *keyname = zone->masterkeynames[zone->curmaster];
-		result = dns_view_gettsig(view, keyname, &zone->tsigkey);
+	nxfrsin = nxfrsperns = 0;
+	for (x = ISC_LIST_HEAD(zmgr->xfrin_in_progress);
+	     x != NULL;
+	     x = ISC_LIST_NEXT(x, statelink))
+	{
+		isc_netaddr_t xip;
+		isc_netaddr_fromsockaddr(&xip, &x->masteraddr);
+		nxfrsin++;
+		if (isc_netaddr_equal(&xip, &masterip))
+			nxfrsperns++;
 	}
-	if (zone->tsigkey == NULL)
-		result = dns_view_getpeertsig(zone->view, &masterip,
-					      &zone->tsigkey);
 
-	if (result != ISC_R_SUCCESS && result != ISC_R_NOTFOUND) {
-		dns_zone_log(zone, ISC_LOG_ERROR,
-			     "could not get TSIG key for zone transfer: %s",
-			     isc_result_totext(result));
-	}
+	/* Enforce quota. */
+	if (nxfrsin >= maxtransfersin)
+		return (ISC_R_QUOTA);
+
+	if (nxfrsperns >= maxtransfersperns)
+		return (ISC_R_QUOTA);
 
-	LOCK_ZONE(zone);
-	masteraddr = zone->masteraddr;
-	sourceaddr = zone->sourceaddr;
-	UNLOCK_ZONE(zone);
-	INSIST(isc_sockaddr_pf(&masteraddr) == isc_sockaddr_pf(&sourceaddr));
-	result = dns_xfrin_create2(zone, xfrtype, &masteraddr, &sourceaddr,
-				   zone->tsigkey, zone->mctx,
-				   zone->zmgr->timermgr, zone->zmgr->socketmgr,
-				   zone->task, zone_xfrdone, &zone->xfr);
-	if (result == ISC_R_SUCCESS) {
-		LOCK_ZONE(zone);
-		if (xfrtype == dns_rdatatype_axfr) {
-			if (isc_sockaddr_pf(&masteraddr) == PF_INET)
-				inc_stats(zone, dns_zonestatscounter_axfrreqv4);
-			else
-				inc_stats(zone, dns_zonestatscounter_axfrreqv6);
-		} else if (xfrtype == dns_rdatatype_ixfr) {
-			if (isc_sockaddr_pf(&masteraddr) == PF_INET)
-				inc_stats(zone, dns_zonestatscounter_ixfrreqv4);
-			else
-				inc_stats(zone, dns_zonestatscounter_ixfrreqv6);
-		}
-		UNLOCK_ZONE(zone);
-	}
- cleanup:
 	/*
-	 * Any failure in this function is handled like a failed
-	 * zone transfer.  This ensures that we get removed from
-	 * zmgr->xfrin_in_progress.
+	 * We have sufficient quota.  Move the zone to the "xfrin_in_progress"
+	 * list and send it an event to let it start the actual transfer in the
+	 * context of its own task.
 	 */
-	if (result != ISC_R_SUCCESS)
-		zone_xfrdone(zone, result);
+	e = isc_event_allocate(zmgr->mctx, zmgr,
+			       DNS_EVENT_ZONESTARTXFRIN,
+			       got_transfer_quota, zone,
+			       sizeof(isc_event_t));
+	if (e == NULL)
+		return (ISC_R_NOMEMORY);
 
-	isc_event_free(&event);
+	LOCK_ZONE(zone);
+	INSIST(zone->statelist == &zmgr->waiting_for_xfrin);
+	ISC_LIST_UNLINK(zmgr->waiting_for_xfrin, zone, statelink);
+	ISC_LIST_APPEND(zmgr->xfrin_in_progress, zone, statelink);
+	zone->statelist = &zmgr->xfrin_in_progress;
+	isc_task_send(zone->task, &e);
+	dns_zone_log(zone, ISC_LOG_INFO, "Transfer started.");
+	UNLOCK_ZONE(zone);
+
+	return (ISC_R_SUCCESS);
 }
 
-/*
- * Update forwarding support.
- */
+void
+dns_zonemgr_setiolimit(dns_zonemgr_t *zmgr, isc_uint32_t iolimit) {
 
-static void
-forward_destroy(dns_forward_t *forward) {
+	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
+	REQUIRE(iolimit > 0);
 
-	forward->magic = 0;
-	if (forward->request != NULL)
-		dns_request_destroy(&forward->request);
-	if (forward->msgbuf != NULL)
-		isc_buffer_free(&forward->msgbuf);
-	if (forward->zone != NULL)
-		dns_zone_idetach(&forward->zone);
-	isc_mem_putanddetach(&forward->mctx, forward, sizeof(*forward));
+	zmgr->iolimit = iolimit;
+}
+
+isc_uint32_t
+dns_zonemgr_getiolimit(dns_zonemgr_t *zmgr) {
+
+	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
+
+	return (zmgr->iolimit);
 }
 
+/*
+ * Get permission to request a file handle from the OS.
+ * An event will be sent to action when one is available.
+ * There are two queues available (high and low), the high
+ * queue will be serviced before the low one.
+ *
+ * zonemgr_putio() must be called after the event is delivered to
+ * 'action'.
+ */
+
 static isc_result_t
-sendtomaster(dns_forward_t *forward) {
-	isc_result_t result;
-	isc_sockaddr_t src;
+zonemgr_getio(dns_zonemgr_t *zmgr, isc_boolean_t high,
+	      isc_task_t *task, isc_taskaction_t action, void *arg,
+	      dns_io_t **iop)
+{
+	dns_io_t *io;
+	isc_boolean_t queue;
 
-	LOCK_ZONE(forward->zone);
-	if (forward->which >= forward->zone->masterscnt) {
-		UNLOCK_ZONE(forward->zone);
-		return (ISC_R_NOMORE);
+	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
+	REQUIRE(iop != NULL && *iop == NULL);
+
+	io = isc_mem_get(zmgr->mctx, sizeof(*io));
+	if (io == NULL)
+		return (ISC_R_NOMEMORY);
+	io->event = isc_event_allocate(zmgr->mctx, task, DNS_EVENT_IOREADY,
+				       action, arg, sizeof(*io->event));
+	if (io->event == NULL) {
+		isc_mem_put(zmgr->mctx, io, sizeof(*io));
+		return (ISC_R_NOMEMORY);
 	}
+	io->zmgr = zmgr;
+	io->high = high;
+	io->task = NULL;
+	isc_task_attach(task, &io->task);
+	ISC_LINK_INIT(io, link);
+	io->magic = IO_MAGIC;
 
-	forward->addr = forward->zone->masters[forward->which];
-	/*
-	 * Always use TCP regardless of whether the original update
-	 * used TCP.
-	 * XXX The timeout may but a bit small if we are far down a
-	 * transfer graph and the master has to try several masters.
-	 */
-	switch (isc_sockaddr_pf(&forward->addr)) {
-	case PF_INET:
-		src = forward->zone->xfrsource4;
-		break;
-	case PF_INET6:
-		src = forward->zone->xfrsource6;
-		break;
-	default:
-		result = ISC_R_NOTIMPLEMENTED;
-		goto unlock;
+	LOCK(&zmgr->iolock);
+	zmgr->ioactive++;
+	queue = ISC_TF(zmgr->ioactive > zmgr->iolimit);
+	if (queue) {
+		if (io->high)
+			ISC_LIST_APPEND(zmgr->high, io, link);
+		else
+			ISC_LIST_APPEND(zmgr->low, io, link);
 	}
-	result = dns_request_createraw(forward->zone->view->requestmgr,
-				       forward->msgbuf,
-				       &src, &forward->addr,
-				       DNS_REQUESTOPT_TCP, 15 /* XXX */,
-				       forward->zone->task,
-				       forward_callback, forward,
-				       &forward->request);
- unlock:
-	UNLOCK_ZONE(forward->zone);
-	return (result);
+	UNLOCK(&zmgr->iolock);
+	*iop = io;
+
+	if (!queue) {
+		isc_task_send(io->task, &io->event);
+	}
+	return (ISC_R_SUCCESS);
 }
 
 static void
-forward_callback(isc_task_t *task, isc_event_t *event) {
-	const char me[] = "forward_callback";
-	dns_requestevent_t *revent = (dns_requestevent_t *)event;
-	dns_message_t *msg = NULL;
-	char master[ISC_SOCKADDR_FORMATSIZE];
-	isc_result_t result;
-	dns_forward_t *forward;
-	dns_zone_t *zone;
+zonemgr_putio(dns_io_t **iop) {
+	dns_io_t *io;
+	dns_io_t *next;
+	dns_zonemgr_t *zmgr;
 
-	UNUSED(task);
+	REQUIRE(iop != NULL);
+	io = *iop;
+	REQUIRE(DNS_IO_VALID(io));
 
-	forward = revent->ev_arg;
-	INSIST(DNS_FORWARD_VALID(forward));
-	zone = forward->zone;
-	INSIST(DNS_ZONE_VALID(zone));
+	*iop = NULL;
 
-	ENTER;
+	INSIST(!ISC_LINK_LINKED(io, link));
+	INSIST(io->event == NULL);
 
-	isc_sockaddr_format(&forward->addr, master, sizeof(master));
+	zmgr = io->zmgr;
+	isc_task_detach(&io->task);
+	io->magic = 0;
+	isc_mem_put(zmgr->mctx, io, sizeof(*io));
 
-	if (revent->result != ISC_R_SUCCESS) {
-		dns_zone_log(zone, ISC_LOG_INFO,
-			     "could not forward dynamic update to %s: %s",
-			     master, dns_result_totext(revent->result));
-		goto next_master;
+	LOCK(&zmgr->iolock);
+	INSIST(zmgr->ioactive > 0);
+	zmgr->ioactive--;
+	next = HEAD(zmgr->high);
+	if (next == NULL)
+		next = HEAD(zmgr->low);
+	if (next != NULL) {
+		if (next->high)
+			ISC_LIST_UNLINK(zmgr->high, next, link);
+		else
+			ISC_LIST_UNLINK(zmgr->low, next, link);
+		INSIST(next->event != NULL);
 	}
+	UNLOCK(&zmgr->iolock);
+	if (next != NULL)
+		isc_task_send(next->task, &next->event);
+}
 
-	result = dns_message_create(zone->mctx, DNS_MESSAGE_INTENTPARSE, &msg);
-	if (result != ISC_R_SUCCESS)
-		goto next_master;
+static void
+zonemgr_cancelio(dns_io_t *io) {
+	isc_boolean_t send_event = ISC_FALSE;
 
-	result = dns_request_getresponse(revent->request, msg,
-					 DNS_MESSAGEPARSE_PRESERVEORDER |
-					 DNS_MESSAGEPARSE_CLONEBUFFER);
-	if (result != ISC_R_SUCCESS)
-		goto next_master;
+	REQUIRE(DNS_IO_VALID(io));
 
-	switch (msg->rcode) {
 	/*
-	 * Pass these rcodes back to client.
+	 * If we are queued to be run then dequeue.
 	 */
-	case dns_rcode_noerror:
-	case dns_rcode_yxdomain:
-	case dns_rcode_yxrrset:
-	case dns_rcode_nxrrset:
-	case dns_rcode_refused:
-	case dns_rcode_nxdomain:
-		break;
-
-	/* These should not occur if the masters/zone are valid. */
-	case dns_rcode_notzone:
-	case dns_rcode_notauth: {
-		char rcode[128];
-		isc_buffer_t rb;
-
-		isc_buffer_init(&rb, rcode, sizeof(rcode));
-		(void)dns_rcode_totext(msg->rcode, &rb);
-		dns_zone_log(zone, ISC_LOG_WARNING,
-			     "forwarding dynamic update: "
-			     "unexpected response: master %s returned: %.*s",
-			     master, (int)rb.used, rcode);
-		goto next_master;
-	}
+	LOCK(&io->zmgr->iolock);
+	if (ISC_LINK_LINKED(io, link)) {
+		if (io->high)
+			ISC_LIST_UNLINK(io->zmgr->high, io, link);
+		else
+			ISC_LIST_UNLINK(io->zmgr->low, io, link);
 
-	/* Try another server for these rcodes. */
-	case dns_rcode_formerr:
-	case dns_rcode_servfail:
-	case dns_rcode_notimp:
-	case dns_rcode_badvers:
-	default:
-		goto next_master;
+		send_event = ISC_TRUE;
+		INSIST(io->event != NULL);
 	}
-
-	/* call callback */
-	(forward->callback)(forward->callback_arg, ISC_R_SUCCESS, msg);
-	msg = NULL;
-	dns_request_destroy(&forward->request);
-	forward_destroy(forward);
-	isc_event_free(&event);
-	return;
-
- next_master:
-	if (msg != NULL)
-		dns_message_destroy(&msg);
-	isc_event_free(&event);
-	forward->which++;
-	dns_request_destroy(&forward->request);
-	result = sendtomaster(forward);
-	if (result != ISC_R_SUCCESS) {
-		/* call callback */
-		dns_zone_log(zone, ISC_LOG_DEBUG(3),
-			     "exhausted dynamic update forwarder list");
-		(forward->callback)(forward->callback_arg, result, NULL);
-		forward_destroy(forward);
+	UNLOCK(&io->zmgr->iolock);
+	if (send_event) {
+		io->event->ev_attributes |= ISC_EVENTATTR_CANCELED;
+		isc_task_send(io->task, &io->event);
 	}
 }
 
-isc_result_t
-dns_zone_forwardupdate(dns_zone_t *zone, dns_message_t *msg,
-		       dns_updatecallback_t callback, void *callback_arg)
-{
-	dns_forward_t *forward;
+static void
+zone_saveunique(dns_zone_t *zone, const char *path, const char *templat) {
+	char *buf;
+	int buflen;
 	isc_result_t result;
-	isc_region_t *mr;
-
-	REQUIRE(DNS_ZONE_VALID(zone));
-	REQUIRE(msg != NULL);
-	REQUIRE(callback != NULL);
 
-	forward = isc_mem_get(zone->mctx, sizeof(*forward));
-	if (forward == NULL)
-		return (ISC_R_NOMEMORY);
-
-	forward->request = NULL;
-	forward->zone = NULL;
-	forward->msgbuf = NULL;
-	forward->which = 0;
-	forward->mctx = 0;
-	forward->callback = callback;
-	forward->callback_arg = callback_arg;
-	forward->magic = FORWARD_MAGIC;
+	buflen = strlen(path) + strlen(templat) + 2;
 
-	mr = dns_message_getrawmessage(msg);
-	if (mr == NULL) {
-		result = ISC_R_UNEXPECTEDEND;
-		goto cleanup;
-	}
+	buf = isc_mem_get(zone->mctx, buflen);
+	if (buf == NULL)
+		return;
 
-	result = isc_buffer_allocate(zone->mctx, &forward->msgbuf, mr->length);
+	result = isc_file_template(path, templat, buf, buflen);
 	if (result != ISC_R_SUCCESS)
 		goto cleanup;
-	result = isc_buffer_copyregion(forward->msgbuf, mr);
+
+	result = isc_file_renameunique(path, buf);
 	if (result != ISC_R_SUCCESS)
 		goto cleanup;
 
-	isc_mem_attach(zone->mctx, &forward->mctx);
-	dns_zone_iattach(zone, &forward->zone);
-	result = sendtomaster(forward);
+	dns_zone_log(zone, ISC_LOG_WARNING, "saved '%s' as '%s'",
+		     path, buf);
 
  cleanup:
-	if (result != ISC_R_SUCCESS) {
-		forward_destroy(forward);
-	}
-	return (result);
+	isc_mem_put(zone->mctx, buf, buflen);
 }
 
-isc_result_t
-dns_zone_next(dns_zone_t *zone, dns_zone_t **next) {
-	REQUIRE(DNS_ZONE_VALID(zone));
-	REQUIRE(next != NULL && *next == NULL);
+#if 0
+/* Hook for ondestroy notification from a database. */
 
-	*next = ISC_LIST_NEXT(zone, link);
-	if (*next == NULL)
-		return (ISC_R_NOMORE);
-	else
-		return (ISC_R_SUCCESS);
-}
+static void
+dns_zonemgr_dbdestroyed(isc_task_t *task, isc_event_t *event) {
+	dns_db_t *db = event->sender;
+	UNUSED(task);
 
-isc_result_t
-dns_zone_first(dns_zonemgr_t *zmgr, dns_zone_t **first) {
-	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
-	REQUIRE(first != NULL && *first == NULL);
+	isc_event_free(&event);
 
-	*first = ISC_LIST_HEAD(zmgr->zones);
-	if (*first == NULL)
-		return (ISC_R_NOMORE);
-	else
-		return (ISC_R_SUCCESS);
+	isc_log_write(dns_lctx, DNS_LOGCATEGORY_GENERAL,
+		      DNS_LOGMODULE_ZONE, ISC_LOG_DEBUG(3),
+		      "database (%p) destroyed", (void*) db);
 }
+#endif
 
-/***
- ***	Zone manager.
- ***/
-
-isc_result_t
-dns_zonemgr_create(isc_mem_t *mctx, isc_taskmgr_t *taskmgr,
-		   isc_timermgr_t *timermgr, isc_socketmgr_t *socketmgr,
-		   dns_zonemgr_t **zmgrp)
-{
-	dns_zonemgr_t *zmgr;
-	isc_result_t result;
+void
+dns_zonemgr_setserialqueryrate(dns_zonemgr_t *zmgr, unsigned int value) {
 	isc_interval_t interval;
+	isc_uint32_t s, ns;
+	isc_uint32_t pertic;
+	isc_result_t result;
 
-	zmgr = isc_mem_get(mctx, sizeof(*zmgr));
-	if (zmgr == NULL)
-		return (ISC_R_NOMEMORY);
-	zmgr->mctx = NULL;
-	zmgr->refs = 1;
-	isc_mem_attach(mctx, &zmgr->mctx);
-	zmgr->taskmgr = taskmgr;
-	zmgr->timermgr = timermgr;
-	zmgr->socketmgr = socketmgr;
-	zmgr->zonetasks = NULL;
-	zmgr->task = NULL;
-	zmgr->rl = NULL;
-	ISC_LIST_INIT(zmgr->zones);
-	ISC_LIST_INIT(zmgr->waiting_for_xfrin);
-	ISC_LIST_INIT(zmgr->xfrin_in_progress);
-	memset(zmgr->unreachable, 0, sizeof(zmgr->unreachable));
-	result = isc_rwlock_init(&zmgr->rwlock, 0, 0);
-	if (result != ISC_R_SUCCESS)
-		goto free_mem;
+	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
 
-	zmgr->transfersin = 10;
-	zmgr->transfersperns = 2;
+	if (value == 0)
+		value = 1;
 
-	/* Create the zone task pool. */
-	result = isc_taskpool_create(taskmgr, mctx,
-				     8 /* XXX */, 2, &zmgr->zonetasks);
-	if (result != ISC_R_SUCCESS)
-		goto free_rwlock;
+	if (value == 1) {
+		s = 1;
+		ns = 0;
+		pertic = 1;
+	} else if (value <= 10) {
+		s = 0;
+		ns = 1000000000 / value;
+		pertic = 1;
+	} else {
+		s = 0;
+		ns = (1000000000 / value) * 10;
+		pertic = 10;
+	}
 
-	/* Create a single task for queueing of SOA queries. */
-	result = isc_task_create(taskmgr, 1, &zmgr->task);
-	if (result != ISC_R_SUCCESS)
-		goto free_taskpool;
-	isc_task_setname(zmgr->task, "zmgr", zmgr);
-	result = isc_ratelimiter_create(mctx, timermgr, zmgr->task,
-					&zmgr->rl);
-	if (result != ISC_R_SUCCESS)
-		goto free_task;
-	/* default to 20 refresh queries / notifies per second. */
-	isc_interval_set(&interval, 0, 1000000000/2);
+	isc_interval_set(&interval, s, ns);
 	result = isc_ratelimiter_setinterval(zmgr->rl, &interval);
 	RUNTIME_CHECK(result == ISC_R_SUCCESS);
-	isc_ratelimiter_setpertic(zmgr->rl, 10);
+	isc_ratelimiter_setpertic(zmgr->rl, pertic);
 
-	zmgr->iolimit = 1;
-	zmgr->ioactive = 0;
-	ISC_LIST_INIT(zmgr->high);
-	ISC_LIST_INIT(zmgr->low);
+	zmgr->serialqueryrate = value;
+}
 
-	result = isc_mutex_init(&zmgr->iolock);
-	if (result != ISC_R_SUCCESS)
-		goto free_rl;
+unsigned int
+dns_zonemgr_getserialqueryrate(dns_zonemgr_t *zmgr) {
+	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
+
+	return (zmgr->serialqueryrate);
+}
+
+static isc_boolean_t
+dns_zonemgr_unreachable(dns_zonemgr_t *zmgr, isc_sockaddr_t *remote,
+			isc_sockaddr_t *local, isc_time_t *now)
+{
+	unsigned int i;
+	isc_rwlocktype_t locktype;
+	isc_result_t result;
+	isc_uint32_t seconds = isc_time_seconds(now);
+
+	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
+
+	locktype = isc_rwlocktype_read;
+	RWLOCK(&zmgr->rwlock, locktype);
+	for (i = 0; i < UNREACH_CHACHE_SIZE; i++) {
+		if (zmgr->unreachable[i].expire >= seconds &&
+		    isc_sockaddr_equal(&zmgr->unreachable[i].remote, remote) &&
+		    isc_sockaddr_equal(&zmgr->unreachable[i].local, local)) {
+			result = isc_rwlock_tryupgrade(&zmgr->rwlock);
+			if (result == ISC_R_SUCCESS) {
+				locktype = isc_rwlocktype_write;
+				zmgr->unreachable[i].last = seconds;
+			}
+			break;
+		}
+	}
+	RWUNLOCK(&zmgr->rwlock, locktype);
+	return (ISC_TF(i < UNREACH_CHACHE_SIZE));
+}
 
-	zmgr->magic = ZONEMGR_MAGIC;
+void
+dns_zonemgr_unreachableadd(dns_zonemgr_t *zmgr, isc_sockaddr_t *remote,
+			   isc_sockaddr_t *local, isc_time_t *now)
+{
+	isc_uint32_t seconds = isc_time_seconds(now);
+	isc_uint32_t last = seconds;
+	unsigned int i, slot = UNREACH_CHACHE_SIZE, oldest = 0;
 
-	*zmgrp = zmgr;
-	return (ISC_R_SUCCESS);
+	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
 
-#if 0
- free_iolock:
-	DESTROYLOCK(&zmgr->iolock);
-#endif
- free_rl:
-	isc_ratelimiter_detach(&zmgr->rl);
- free_task:
-	isc_task_detach(&zmgr->task);
- free_taskpool:
-	isc_taskpool_destroy(&zmgr->zonetasks);
- free_rwlock:
-	isc_rwlock_destroy(&zmgr->rwlock);
- free_mem:
-	isc_mem_put(zmgr->mctx, zmgr, sizeof(*zmgr));
-	isc_mem_detach(&mctx);
-	return (result);
+	RWLOCK(&zmgr->rwlock, isc_rwlocktype_write);
+	for (i = 0; i < UNREACH_CHACHE_SIZE; i++) {
+		/* Existing entry? */
+		if (isc_sockaddr_equal(&zmgr->unreachable[i].remote, remote) &&
+		    isc_sockaddr_equal(&zmgr->unreachable[i].local, local))
+			break;
+		/* Empty slot? */
+		if (zmgr->unreachable[i].expire < seconds)
+			slot = i;
+		/* Least recently used slot? */
+		if (zmgr->unreachable[i].last < last) {
+			last = zmgr->unreachable[i].last;
+			oldest = i;
+		}
+	}
+	if (i < UNREACH_CHACHE_SIZE) {
+		/*
+		 * Found a existing entry.  Update the expire timer and
+		 * last usage timestamps.
+		 */
+		zmgr->unreachable[i].expire = seconds + UNREACH_HOLD_TIME;
+		zmgr->unreachable[i].last = seconds;
+	} else if (slot != UNREACH_CHACHE_SIZE) {
+		/*
+		 * Found a empty slot. Add a new entry to the cache.
+		 */
+		zmgr->unreachable[slot].expire = seconds + UNREACH_HOLD_TIME;
+		zmgr->unreachable[slot].last = seconds;
+		zmgr->unreachable[slot].remote = *remote;
+		zmgr->unreachable[slot].local = *local;
+	} else {
+		/*
+		 * Replace the least recently used entry in the cache.
+		 */
+		zmgr->unreachable[oldest].expire = seconds + UNREACH_HOLD_TIME;
+		zmgr->unreachable[oldest].last = seconds;
+		zmgr->unreachable[oldest].remote = *remote;
+		zmgr->unreachable[oldest].local = *local;
+	}
+	RWUNLOCK(&zmgr->rwlock, isc_rwlocktype_write);
 }
 
-isc_result_t
-dns_zonemgr_managezone(dns_zonemgr_t *zmgr, dns_zone_t *zone) {
-	isc_result_t result;
-
+void
+dns_zone_forcereload(dns_zone_t *zone) {
 	REQUIRE(DNS_ZONE_VALID(zone));
-	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
 
-	RWLOCK(&zmgr->rwlock, isc_rwlocktype_write);
+	if (zone->type == dns_zone_master)
+		return;
+
 	LOCK_ZONE(zone);
-	REQUIRE(zone->task == NULL);
-	REQUIRE(zone->timer == NULL);
-	REQUIRE(zone->zmgr == NULL);
+	DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_FORCEXFER);
+	UNLOCK_ZONE(zone);
+	dns_zone_refresh(zone);
+}
 
-	isc_taskpool_gettask(zmgr->zonetasks,
-			     dns_name_hash(dns_zone_getorigin(zone),
-					   ISC_FALSE),
-			     &zone->task);
+isc_boolean_t
+dns_zone_isforced(dns_zone_t *zone) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+
+	return (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_FORCEXFER));
+}
 
+isc_result_t
+dns_zone_setstatistics(dns_zone_t *zone, isc_boolean_t on) {
 	/*
-	 * Set the task name.  The tag will arbitrarily point to one
-	 * of the zones sharing the task (in practice, the one
-	 * to be managed last).
+	 * This function is obsoleted.
 	 */
-	isc_task_setname(zone->task, "zone", zone);
-
-	result = isc_timer_create(zmgr->timermgr, isc_timertype_inactive,
-				  NULL, NULL,
-				  zone->task, zone_timer, zone,
-				  &zone->timer);
-
-	if (result != ISC_R_SUCCESS)
-		goto cleanup_task;
+	UNUSED(zone);
+	UNUSED(on);
+	return (ISC_R_NOTIMPLEMENTED);
+}
 
+isc_uint64_t *
+dns_zone_getstatscounters(dns_zone_t *zone) {
 	/*
-	 * The timer "holds" a iref.
+	 * This function is obsoleted.
 	 */
-	zone->irefs++;
-	INSIST(zone->irefs != 0);
-
-	ISC_LIST_APPEND(zmgr->zones, zone, link);
-	zone->zmgr = zmgr;
-	zmgr->refs++;
-
-	goto unlock;
+	UNUSED(zone);
+	return (NULL);
+}
 
- cleanup_task:
-	isc_task_detach(&zone->task);
+void
+dns_zone_setstats(dns_zone_t *zone, isc_stats_t *stats) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+	REQUIRE(zone->stats == NULL);
 
- unlock:
+	LOCK_ZONE(zone);
+	zone->stats = NULL;
+	isc_stats_attach(stats, &zone->stats);
 	UNLOCK_ZONE(zone);
-	RWUNLOCK(&zmgr->rwlock, isc_rwlocktype_write);
-	return (result);
 }
 
 void
-dns_zonemgr_releasezone(dns_zonemgr_t *zmgr, dns_zone_t *zone) {
-	isc_boolean_t free_now = ISC_FALSE;
-
+dns_zone_setrequeststats(dns_zone_t *zone, isc_stats_t *stats) {
 	REQUIRE(DNS_ZONE_VALID(zone));
-	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
-	REQUIRE(zone->zmgr == zmgr);
 
-	RWLOCK(&zmgr->rwlock, isc_rwlocktype_write);
 	LOCK_ZONE(zone);
-
-	ISC_LIST_UNLINK(zmgr->zones, zone, link);
-	zone->zmgr = NULL;
-	zmgr->refs--;
-	if (zmgr->refs == 0)
-		free_now = ISC_TRUE;
-
+	if (zone->requeststats_on && stats == NULL)
+		zone->requeststats_on = ISC_FALSE;
+	else if (!zone->requeststats_on && stats != NULL) {
+		if (zone->requeststats == NULL) {
+			isc_stats_attach(stats, &zone->requeststats);
+			zone->requeststats_on = ISC_TRUE;
+		}
+	}
 	UNLOCK_ZONE(zone);
-	RWUNLOCK(&zmgr->rwlock, isc_rwlocktype_write);
 
-	if (free_now)
-		zonemgr_free(zmgr);
-	ENSURE(zone->zmgr == NULL);
+	return;
 }
 
-void
-dns_zonemgr_attach(dns_zonemgr_t *source, dns_zonemgr_t **target) {
-	REQUIRE(DNS_ZONEMGR_VALID(source));
-	REQUIRE(target != NULL && *target == NULL);
-
-	RWLOCK(&source->rwlock, isc_rwlocktype_write);
-	REQUIRE(source->refs > 0);
-	source->refs++;
-	INSIST(source->refs > 0);
-	RWUNLOCK(&source->rwlock, isc_rwlocktype_write);
-	*target = source;
+isc_stats_t *
+dns_zone_getrequeststats(dns_zone_t *zone) {
+	/*
+	 * We don't lock zone for efficiency reason.  This is not catastrophic
+	 * because requeststats must always be valid when requeststats_on is
+	 * true.
+	 * Some counters may be incremented while requeststats_on is becoming
+	 * false, or some cannot be incremented just after the statistics are
+	 * installed, but it shouldn't matter much in practice.
+	 */
+	if (zone->requeststats_on)
+		return (zone->requeststats);
+	else
+		return (NULL);
 }
 
 void
-dns_zonemgr_detach(dns_zonemgr_t **zmgrp) {
-	dns_zonemgr_t *zmgr;
-	isc_boolean_t free_now = ISC_FALSE;
+dns_zone_dialup(dns_zone_t *zone) {
 
-	REQUIRE(zmgrp != NULL);
-	zmgr = *zmgrp;
-	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
+	REQUIRE(DNS_ZONE_VALID(zone));
 
-	RWLOCK(&zmgr->rwlock, isc_rwlocktype_write);
-	zmgr->refs--;
-	if (zmgr->refs == 0)
-		free_now = ISC_TRUE;
-	RWUNLOCK(&zmgr->rwlock, isc_rwlocktype_write);
+	zone_debuglog(zone, "dns_zone_dialup", 3,
+		      "notify = %d, refresh = %d",
+		      DNS_ZONE_FLAG(zone, DNS_ZONEFLG_DIALNOTIFY),
+		      DNS_ZONE_FLAG(zone, DNS_ZONEFLG_DIALREFRESH));
 
-	if (free_now)
-		zonemgr_free(zmgr);
+	if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_DIALNOTIFY))
+		dns_zone_notify(zone);
+	if (zone->type != dns_zone_master &&
+	    DNS_ZONE_FLAG(zone, DNS_ZONEFLG_DIALREFRESH))
+		dns_zone_refresh(zone);
+}
+
+void
+dns_zone_setdialup(dns_zone_t *zone, dns_dialuptype_t dialup) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+
+	LOCK_ZONE(zone);
+	DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_DIALNOTIFY |
+			 DNS_ZONEFLG_DIALREFRESH |
+			 DNS_ZONEFLG_NOREFRESH);
+	switch (dialup) {
+	case dns_dialuptype_no:
+		break;
+	case dns_dialuptype_yes:
+		DNS_ZONE_SETFLAG(zone,	(DNS_ZONEFLG_DIALNOTIFY |
+				 DNS_ZONEFLG_DIALREFRESH |
+				 DNS_ZONEFLG_NOREFRESH));
+		break;
+	case dns_dialuptype_notify:
+		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_DIALNOTIFY);
+		break;
+	case dns_dialuptype_notifypassive:
+		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_DIALNOTIFY);
+		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_NOREFRESH);
+		break;
+	case dns_dialuptype_refresh:
+		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_DIALREFRESH);
+		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_NOREFRESH);
+		break;
+	case dns_dialuptype_passive:
+		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_NOREFRESH);
+		break;
+	default:
+		INSIST(0);
+	}
+	UNLOCK_ZONE(zone);
 }
 
 isc_result_t
-dns_zonemgr_forcemaint(dns_zonemgr_t *zmgr) {
-	dns_zone_t *p;
+dns_zone_setkeydirectory(dns_zone_t *zone, const char *directory) {
+	isc_result_t result = ISC_R_SUCCESS;
 
-	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
+	REQUIRE(DNS_ZONE_VALID(zone));
 
-	RWLOCK(&zmgr->rwlock, isc_rwlocktype_read);
-	for (p = ISC_LIST_HEAD(zmgr->zones);
-	     p != NULL;
-	     p = ISC_LIST_NEXT(p, link))
-	{
-		dns_zone_maintenance(p);
-	}
-	RWUNLOCK(&zmgr->rwlock, isc_rwlocktype_read);
+	LOCK_ZONE(zone);
+	result = dns_zone_setstring(zone, &zone->keydirectory, directory);
+	UNLOCK_ZONE(zone);
 
-	/*
-	 * Recent configuration changes may have increased the
-	 * amount of available transfers quota.  Make sure any
-	 * transfers currently blocked on quota get started if
-	 * possible.
-	 */
-	RWLOCK(&zmgr->rwlock, isc_rwlocktype_write);
-	zmgr_resume_xfrs(zmgr, ISC_TRUE);
-	RWUNLOCK(&zmgr->rwlock, isc_rwlocktype_write);
-	return (ISC_R_SUCCESS);
+	return (result);
 }
 
-void
-dns_zonemgr_resumexfrs(dns_zonemgr_t *zmgr) {
-
-	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
+const char *
+dns_zone_getkeydirectory(dns_zone_t *zone) {
+	REQUIRE(DNS_ZONE_VALID(zone));
 
-	RWLOCK(&zmgr->rwlock, isc_rwlocktype_write);
-	zmgr_resume_xfrs(zmgr, ISC_TRUE);
-	RWUNLOCK(&zmgr->rwlock, isc_rwlocktype_write);
+	return (zone->keydirectory);
 }
 
-void
-dns_zonemgr_shutdown(dns_zonemgr_t *zmgr) {
+unsigned int
+dns_zonemgr_getcount(dns_zonemgr_t *zmgr, int state) {
+	dns_zone_t *zone;
+	unsigned int count = 0;
+
 	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
 
-	isc_ratelimiter_shutdown(zmgr->rl);
+	RWLOCK(&zmgr->rwlock, isc_rwlocktype_read);
+	switch (state) {
+	case DNS_ZONESTATE_XFERRUNNING:
+		for (zone = ISC_LIST_HEAD(zmgr->xfrin_in_progress);
+		     zone != NULL;
+		     zone = ISC_LIST_NEXT(zone, statelink))
+			count++;
+		break;
+	case DNS_ZONESTATE_XFERDEFERRED:
+		for (zone = ISC_LIST_HEAD(zmgr->waiting_for_xfrin);
+		     zone != NULL;
+		     zone = ISC_LIST_NEXT(zone, statelink))
+			count++;
+		break;
+	case DNS_ZONESTATE_SOAQUERY:
+		for (zone = ISC_LIST_HEAD(zmgr->zones);
+		     zone != NULL;
+		     zone = ISC_LIST_NEXT(zone, link))
+			if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_REFRESH))
+				count++;
+		break;
+	case DNS_ZONESTATE_ANY:
+		for (zone = ISC_LIST_HEAD(zmgr->zones);
+		     zone != NULL;
+		     zone = ISC_LIST_NEXT(zone, link)) {
+			dns_view_t *view = zone->view;
+			if (view != NULL && strcmp(view->name, "_bind") == 0)
+				continue;
+			count++;
+		}
+		break;
+	default:
+		INSIST(0);
+	}
 
-	if (zmgr->task != NULL)
-		isc_task_destroy(&zmgr->task);
-	if (zmgr->zonetasks != NULL)
-		isc_taskpool_destroy(&zmgr->zonetasks);
+	RWUNLOCK(&zmgr->rwlock, isc_rwlocktype_read);
+
+	return (count);
 }
 
-static void
-zonemgr_free(dns_zonemgr_t *zmgr) {
-	isc_mem_t *mctx;
+isc_result_t
+dns_zone_checknames(dns_zone_t *zone, dns_name_t *name, dns_rdata_t *rdata) {
+	isc_boolean_t ok = ISC_TRUE;
+	isc_boolean_t fail = ISC_FALSE;
+	char namebuf[DNS_NAME_FORMATSIZE];
+	char namebuf2[DNS_NAME_FORMATSIZE];
+	char typebuf[DNS_RDATATYPE_FORMATSIZE];
+	int level = ISC_LOG_WARNING;
+	dns_name_t bad;
 
-	INSIST(zmgr->refs == 0);
-	INSIST(ISC_LIST_EMPTY(zmgr->zones));
+	REQUIRE(DNS_ZONE_VALID(zone));
 
-	zmgr->magic = 0;
+	if (!DNS_ZONE_OPTION(zone, DNS_ZONEOPT_CHECKNAMES))
+		return (ISC_R_SUCCESS);
 
-	DESTROYLOCK(&zmgr->iolock);
-	isc_ratelimiter_detach(&zmgr->rl);
+	if (DNS_ZONE_OPTION(zone, DNS_ZONEOPT_CHECKNAMESFAIL)) {
+		level = ISC_LOG_ERROR;
+		fail = ISC_TRUE;
+	}
 
-	isc_rwlock_destroy(&zmgr->rwlock);
-	mctx = zmgr->mctx;
-	isc_mem_put(zmgr->mctx, zmgr, sizeof(*zmgr));
-	isc_mem_detach(&mctx);
+	ok = dns_rdata_checkowner(name, rdata->rdclass, rdata->type, ISC_TRUE);
+	if (!ok) {
+		dns_name_format(name, namebuf, sizeof(namebuf));
+		dns_rdatatype_format(rdata->type, typebuf, sizeof(typebuf));
+		dns_zone_log(zone, level, "%s/%s: %s", namebuf, typebuf,
+			     dns_result_totext(DNS_R_BADOWNERNAME));
+		if (fail)
+			return (DNS_R_BADOWNERNAME);
+	}
+
+	dns_name_init(&bad, NULL);
+	ok = dns_rdata_checknames(rdata, name, &bad);
+	if (!ok) {
+		dns_name_format(name, namebuf, sizeof(namebuf));
+		dns_name_format(&bad, namebuf2, sizeof(namebuf2));
+		dns_rdatatype_format(rdata->type, typebuf, sizeof(typebuf));
+		dns_zone_log(zone, level, "%s/%s: %s: %s ", namebuf, typebuf,
+			     namebuf2, dns_result_totext(DNS_R_BADNAME));
+		if (fail)
+			return (DNS_R_BADNAME);
+	}
+
+	return (ISC_R_SUCCESS);
 }
 
 void
-dns_zonemgr_settransfersin(dns_zonemgr_t *zmgr, isc_uint32_t value) {
-	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
-
-	zmgr->transfersin = value;
+dns_zone_setcheckmx(dns_zone_t *zone, dns_checkmxfunc_t checkmx) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+	zone->checkmx = checkmx;
 }
 
-isc_uint32_t
-dns_zonemgr_getttransfersin(dns_zonemgr_t *zmgr) {
-	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
+void
+dns_zone_setchecksrv(dns_zone_t *zone, dns_checksrvfunc_t checksrv) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+	zone->checksrv = checksrv;
+}
 
-	return (zmgr->transfersin);
+void
+dns_zone_setcheckns(dns_zone_t *zone, dns_checknsfunc_t checkns) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+	zone->checkns = checkns;
 }
 
 void
-dns_zonemgr_settransfersperns(dns_zonemgr_t *zmgr, isc_uint32_t value) {
-	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
+dns_zone_setisself(dns_zone_t *zone, dns_isselffunc_t isself, void *arg) {
+	REQUIRE(DNS_ZONE_VALID(zone));
 
-	zmgr->transfersperns = value;
+	LOCK_ZONE(zone);
+	zone->isself = isself;
+	zone->isselfarg = arg;
+	UNLOCK_ZONE(zone);
 }
 
-isc_uint32_t
-dns_zonemgr_getttransfersperns(dns_zonemgr_t *zmgr) {
-	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
+void
+dns_zone_setnotifydelay(dns_zone_t *zone, isc_uint32_t delay) {
+	REQUIRE(DNS_ZONE_VALID(zone));
 
-	return (zmgr->transfersperns);
+	LOCK_ZONE(zone);
+	zone->notifydelay = delay;
+	UNLOCK_ZONE(zone);
 }
 
-/*
- * Try to start a new incoming zone transfer to fill a quota
- * slot that was just vacated.
- *
- * Requires:
- *	The zone manager is locked by the caller.
- */
-static void
-zmgr_resume_xfrs(dns_zonemgr_t *zmgr, isc_boolean_t multi) {
-	dns_zone_t *zone;
-	dns_zone_t *next;
+isc_uint32_t
+dns_zone_getnotifydelay(dns_zone_t *zone) {
+	REQUIRE(DNS_ZONE_VALID(zone));
 
-	for (zone = ISC_LIST_HEAD(zmgr->waiting_for_xfrin);
-	     zone != NULL;
-	     zone = next)
-	{
-		isc_result_t result;
-		next = ISC_LIST_NEXT(zone, statelink);
-		result = zmgr_start_xfrin_ifquota(zmgr, zone);
-		if (result == ISC_R_SUCCESS) {
-			if (multi)
-				continue;
-			/*
-			 * We successfully filled the slot.  We're done.
-			 */
-			break;
-		} else if (result == ISC_R_QUOTA) {
-			/*
-			 * Not enough quota.  This is probably the per-server
-			 * quota, because we usually get called when a unit of
-			 * global quota has just been freed.  Try the next
-			 * zone, it may succeed if it uses another master.
-			 */
-			continue;
-		} else {
-			dns_zone_log(zone, ISC_LOG_DEBUG(1),
-				     "starting zone transfer: %s",
-				     isc_result_totext(result));
-			break;
-		}
-	}
+	return (zone->notifydelay);
 }
 
-/*
- * Try to start an incoming zone transfer for 'zone', quota permitting.
- *
- * Requires:
- *	The zone manager is locked by the caller.
- *
- * Returns:
- *	ISC_R_SUCCESS	There was enough quota and we attempted to
- *			start a transfer.  zone_xfrdone() has been or will
- *			be called.
- *	ISC_R_QUOTA	Not enough quota.
- *	Others		Failure.
- */
-static isc_result_t
-zmgr_start_xfrin_ifquota(dns_zonemgr_t *zmgr, dns_zone_t *zone) {
-	dns_peer_t *peer = NULL;
-	isc_netaddr_t masterip;
-	isc_uint32_t nxfrsin, nxfrsperns;
-	dns_zone_t *x;
-	isc_uint32_t maxtransfersin, maxtransfersperns;
-	isc_event_t *e;
-
-	/*
-	 * Find any configured information about the server we'd
-	 * like to transfer this zone from.
-	 */
-	isc_netaddr_fromsockaddr(&masterip, &zone->masteraddr);
-	(void)dns_peerlist_peerbyaddr(zone->view->peers,
-				      &masterip, &peer);
+isc_result_t
+dns_zone_signwithkey(dns_zone_t *zone, dns_secalg_t algorithm,
+		     isc_uint16_t keyid, isc_boolean_t delete)
+{
+	isc_result_t result;
+	REQUIRE(DNS_ZONE_VALID(zone));
 
-	/*
-	 * Determine the total maximum number of simultaneous
-	 * transfers allowed, and the maximum for this specific
-	 * master.
-	 */
-	maxtransfersin = zmgr->transfersin;
-	maxtransfersperns = zmgr->transfersperns;
-	if (peer != NULL)
-		(void)dns_peer_gettransfers(peer, &maxtransfersperns);
+	dns_zone_log(zone, ISC_LOG_NOTICE,
+		     "dns_zone_signwithkey(algorithm=%u, keyid=%u)",
+		     algorithm, keyid);
+	LOCK_ZONE(zone);
+	result = zone_signwithkey(zone, algorithm, keyid, delete);
+	UNLOCK_ZONE(zone);
 
-	/*
-	 * Count the total number of transfers that are in progress,
-	 * and the number of transfers in progress from this master.
-	 * We linearly scan a list of all transfers; if this turns
-	 * out to be too slow, we could hash on the master address.
-	 */
-	nxfrsin = nxfrsperns = 0;
-	for (x = ISC_LIST_HEAD(zmgr->xfrin_in_progress);
-	     x != NULL;
-	     x = ISC_LIST_NEXT(x, statelink))
-	{
-		isc_netaddr_t xip;
-		isc_netaddr_fromsockaddr(&xip, &x->masteraddr);
-		nxfrsin++;
-		if (isc_netaddr_equal(&xip, &masterip))
-			nxfrsperns++;
-	}
+	return (result);
+}
 
-	/* Enforce quota. */
-	if (nxfrsin >= maxtransfersin)
-		return (ISC_R_QUOTA);
+static const char *hex = "0123456789ABCDEF";
 
-	if (nxfrsperns >= maxtransfersperns)
-		return (ISC_R_QUOTA);
+isc_result_t
+dns_zone_addnsec3chain(dns_zone_t *zone, dns_rdata_nsec3param_t *nsec3param) {
+	isc_result_t result;
+	char salt[255*2+1];
+	unsigned int i, j;
 
-	/*
-	 * We have sufficient quota.  Move the zone to the "xfrin_in_progress"
-	 * list and send it an event to let it start the actual transfer in the
-	 * context of its own task.
-	 */
-	e = isc_event_allocate(zmgr->mctx, zmgr,
-			       DNS_EVENT_ZONESTARTXFRIN,
-			       got_transfer_quota, zone,
-			       sizeof(isc_event_t));
-	if (e == NULL)
-		return (ISC_R_NOMEMORY);
+	REQUIRE(DNS_ZONE_VALID(zone));
 
+	if (nsec3param->salt_length != 0) {
+		INSIST((nsec3param->salt_length * 2U) < sizeof(salt));
+		for (i = 0, j = 0; i < nsec3param->salt_length; i++) {
+			salt[j++] = hex[(nsec3param->salt[i] >> 4) & 0xf];
+			salt[j++] = hex[nsec3param->salt[i] & 0xf];
+		}
+		salt[j] = '\0';
+	} else
+		strcpy(salt, "-");
+	dns_zone_log(zone, ISC_LOG_NOTICE,
+		     "dns_zone_addnsec3chain(hash=%u, iterations=%u, salt=%s)",
+		     nsec3param->hash, nsec3param->iterations,
+		     salt);
 	LOCK_ZONE(zone);
-	INSIST(zone->statelist == &zmgr->waiting_for_xfrin);
-	ISC_LIST_UNLINK(zmgr->waiting_for_xfrin, zone, statelink);
-	ISC_LIST_APPEND(zmgr->xfrin_in_progress, zone, statelink);
-	zone->statelist = &zmgr->xfrin_in_progress;
-	isc_task_send(zone->task, &e);
-	dns_zone_log(zone, ISC_LOG_INFO, "Transfer started.");
+	result = zone_addnsec3chain(zone, nsec3param);
 	UNLOCK_ZONE(zone);
 
-	return (ISC_R_SUCCESS);
+	return (result);
 }
 
 void
-dns_zonemgr_setiolimit(dns_zonemgr_t *zmgr, isc_uint32_t iolimit) {
-
-	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
-	REQUIRE(iolimit > 0);
+dns_zone_setnodes(dns_zone_t *zone, isc_uint32_t nodes) {
+	REQUIRE(DNS_ZONE_VALID(zone));
 
-	zmgr->iolimit = iolimit;
+	if (nodes == 0)
+		nodes = 1;
+	zone->nodes = nodes;
 }
 
-isc_uint32_t
-dns_zonemgr_getiolimit(dns_zonemgr_t *zmgr) {
+void
+dns_zone_setsignatures(dns_zone_t *zone, isc_uint32_t signatures) {
+	REQUIRE(DNS_ZONE_VALID(zone));
 
-	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
+	/*
+	 * We treat signatures as a signed value so explicitly
+	 * limit its range here.
+	 */
+	if (signatures > ISC_INT32_MAX)
+		signatures = ISC_INT32_MAX;
+	else if (signatures == 0)
+		signatures = 1;
+	zone->signatures = signatures;
+}
 
-	return (zmgr->iolimit);
+void
+dns_zone_setprivatetype(dns_zone_t *zone, dns_rdatatype_t type) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+	zone->privatetype = type;
 }
 
-/*
- * Get permission to request a file handle from the OS.
- * An event will be sent to action when one is available.
- * There are two queues available (high and low), the high
- * queue will be serviced before the low one.
- *
- * zonemgr_putio() must be called after the event is delivered to
- * 'action'.
- */
+dns_rdatatype_t
+dns_zone_getprivatetype(dns_zone_t *zone) {
+	REQUIRE(DNS_ZONE_VALID(zone));
+	return (zone->privatetype);
+}
 
 static isc_result_t
-zonemgr_getio(dns_zonemgr_t *zmgr, isc_boolean_t high,
-	      isc_task_t *task, isc_taskaction_t action, void *arg,
-	      dns_io_t **iop)
+zone_signwithkey(dns_zone_t *zone, dns_secalg_t algorithm, isc_uint16_t keyid,
+		 isc_boolean_t delete)
 {
-	dns_io_t *io;
-	isc_boolean_t queue;
-
-	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
-	REQUIRE(iop != NULL && *iop == NULL);
+	dns_signing_t *signing;
+	dns_signing_t *current;
+	isc_result_t result = ISC_R_SUCCESS;
+	isc_time_t now;
 
-	io = isc_mem_get(zmgr->mctx, sizeof(*io));
-	if (io == NULL)
-		return (ISC_R_NOMEMORY);
-	io->event = isc_event_allocate(zmgr->mctx, task, DNS_EVENT_IOREADY,
-				       action, arg, sizeof(*io->event));
-	if (io->event == NULL) {
-		isc_mem_put(zmgr->mctx, io, sizeof(*io));
+	signing = isc_mem_get(zone->mctx, sizeof *signing);
+	if (signing == NULL)
 		return (ISC_R_NOMEMORY);
-	}
-	io->zmgr = zmgr;
-	io->high = high;
-	io->task = NULL;
-	isc_task_attach(task, &io->task);
-	ISC_LINK_INIT(io, link);
-	io->magic = IO_MAGIC;
-
-	LOCK(&zmgr->iolock);
-	zmgr->ioactive++;
-	queue = ISC_TF(zmgr->ioactive > zmgr->iolimit);
-	if (queue) {
-		if (io->high)
-			ISC_LIST_APPEND(zmgr->high, io, link);
-		else
-			ISC_LIST_APPEND(zmgr->low, io, link);
-	}
-	UNLOCK(&zmgr->iolock);
-	*iop = io;
-
-	if (!queue) {
-		isc_task_send(io->task, &io->event);
-	}
-	return (ISC_R_SUCCESS);
-}
 
-static void
-zonemgr_putio(dns_io_t **iop) {
-	dns_io_t *io;
-	dns_io_t *next;
-	dns_zonemgr_t *zmgr;
+	signing->magic = 0;
+	signing->db  = NULL;
+	signing->dbiterator = NULL;
+	signing->algorithm = algorithm;
+	signing->keyid = keyid;
+	signing->delete = delete;
+	signing->done = ISC_FALSE;
 
-	REQUIRE(iop != NULL);
-	io = *iop;
-	REQUIRE(DNS_IO_VALID(io));
+	TIME_NOW(&now);
 
-	*iop = NULL;
+	for (current = ISC_LIST_HEAD(zone->signing);
+	     current != NULL;
+	     current = ISC_LIST_NEXT(current, link)) {
+		if (current->db == zone->db &&
+		    current->algorithm == signing->algorithm &&
+		    current->keyid == signing->keyid) {
+			if (current->delete != signing->delete)
+				current->done = ISC_TRUE;
+			else
+				goto cleanup;
+		}
+	}
 
-	INSIST(!ISC_LINK_LINKED(io, link));
-	INSIST(io->event == NULL);
+	if (zone->db != NULL) {
+		dns_db_attach(zone->db, &signing->db);
+		result = dns_db_createiterator(signing->db, 0,
+					       &signing->dbiterator);
 
-	zmgr = io->zmgr;
-	isc_task_detach(&io->task);
-	io->magic = 0;
-	isc_mem_put(zmgr->mctx, io, sizeof(*io));
+		if (result == ISC_R_SUCCESS)
+			result = dns_dbiterator_first(signing->dbiterator);
+		if (result == ISC_R_SUCCESS) {
+			dns_dbiterator_pause(signing->dbiterator);
+			ISC_LIST_INITANDAPPEND(zone->signing, signing, link);
+			signing = NULL;
+			if (isc_time_isepoch(&zone->signingtime)) {
+				zone->signingtime = now;
+				if (zone->task != NULL)
+					zone_settimer(zone, &now);
+			}
+		}
+	} else
+		result = ISC_R_NOTFOUND;
 
-	LOCK(&zmgr->iolock);
-	INSIST(zmgr->ioactive > 0);
-	zmgr->ioactive--;
-	next = HEAD(zmgr->high);
-	if (next == NULL)
-		next = HEAD(zmgr->low);
-	if (next != NULL) {
-		if (next->high)
-			ISC_LIST_UNLINK(zmgr->high, next, link);
-		else
-			ISC_LIST_UNLINK(zmgr->low, next, link);
-		INSIST(next->event != NULL);
+ cleanup:
+	if (signing != NULL) {
+		if (signing->db != NULL)
+			dns_db_detach(&signing->db);
+		if (signing->dbiterator != NULL)
+			dns_dbiterator_destroy(&signing->dbiterator);
+		isc_mem_put(zone->mctx, signing, sizeof *signing);
 	}
-	UNLOCK(&zmgr->iolock);
-	if (next != NULL)
-		isc_task_send(next->task, &next->event);
+	return (result);
 }
 
 static void
-zonemgr_cancelio(dns_io_t *io) {
-	isc_boolean_t send_event = ISC_FALSE;
+logmsg(const char *format, ...) {
+	va_list args;
+	va_start(args, format);
+	isc_log_vwrite(dns_lctx, DNS_LOGCATEGORY_GENERAL, DNS_LOGMODULE_ZONE,
+		       ISC_LOG_DEBUG(1), format, args);
+	va_end(args);
+}
+
+static void
+clear_keylist(dns_dnsseckeylist_t *list, isc_mem_t *mctx) {
+	dns_dnsseckey_t *key;
+	while (!ISC_LIST_EMPTY(*list)) {
+		key = ISC_LIST_HEAD(*list);
+		ISC_LIST_UNLINK(*list, key, link);
+		dns_dnsseckey_destroy(mctx, &key);
+	}
+}
 
-	REQUIRE(DNS_IO_VALID(io));
+/* Called once; *timep should be set to the current time. */
+static isc_result_t
+next_keyevent(dst_key_t *key, isc_stdtime_t *timep) {
+	isc_result_t result;
+	isc_stdtime_t now, then = 0, event;
+	int i;
 
-	/*
-	 * If we are queued to be run then dequeue.
-	 */
-	LOCK(&io->zmgr->iolock);
-	if (ISC_LINK_LINKED(io, link)) {
-		if (io->high)
-			ISC_LIST_UNLINK(io->zmgr->high, io, link);
-		else
-			ISC_LIST_UNLINK(io->zmgr->low, io, link);
+	now = *timep;
 
-		send_event = ISC_TRUE;
-		INSIST(io->event != NULL);
+	for (i = 0; i <= DST_MAX_TIMES; i++) {
+		result = dst_key_gettime(key, i, &event);
+		if (result == ISC_R_SUCCESS && event > now &&
+		    (then == 0 || event < then))
+			then = event;
 	}
-	UNLOCK(&io->zmgr->iolock);
-	if (send_event) {
-		io->event->ev_attributes |= ISC_EVENTATTR_CANCELED;
-		isc_task_send(io->task, &io->event);
+
+	if (then != 0) {
+		*timep = then;
+		return (ISC_R_SUCCESS);
 	}
+
+	return (ISC_R_NOTFOUND);
 }
 
-static void
-zone_saveunique(dns_zone_t *zone, const char *path, const char *templat) {
-	char *buf;
-	int buflen;
+static isc_result_t
+rr_exists(dns_db_t *db, dns_dbversion_t *ver, dns_name_t *name,
+	  const dns_rdata_t *rdata, isc_boolean_t *flag)
+{
+	dns_rdataset_t rdataset;
+	dns_dbnode_t *node = NULL;
 	isc_result_t result;
 
-	buflen = strlen(path) + strlen(templat) + 2;
+	dns_rdataset_init(&rdataset);
+	if (rdata->type == dns_rdatatype_nsec3)
+		CHECK(dns_db_findnsec3node(db, name, ISC_FALSE, &node));
+	else
+		CHECK(dns_db_findnode(db, name, ISC_FALSE, &node));
+	result = dns_db_findrdataset(db, node, ver, rdata->type, 0,
+				     (isc_stdtime_t) 0, &rdataset, NULL);
+	if (result == ISC_R_NOTFOUND) {
+		*flag = ISC_FALSE;
+		result = ISC_R_SUCCESS;
+		goto failure;
+	}
 
-	buf = isc_mem_get(zone->mctx, buflen);
-	if (buf == NULL)
-		return;
+	for (result = dns_rdataset_first(&rdataset);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rdataset_next(&rdataset)) {
+		dns_rdata_t myrdata = DNS_RDATA_INIT;
+		dns_rdataset_current(&rdataset, &myrdata);
+		if (!dns_rdata_compare(&myrdata, rdata))
+			break;
+	}
+	dns_rdataset_disassociate(&rdataset);
+	if (result == ISC_R_SUCCESS) {
+		*flag = ISC_TRUE;
+	} else if (result == ISC_R_NOMORE) {
+		*flag = ISC_FALSE;
+		result = ISC_R_SUCCESS;
+	}
 
-	result = isc_file_template(path, templat, buf, buflen);
-	if (result != ISC_R_SUCCESS)
-		goto cleanup;
+ failure:
+	if (node != NULL)
+		dns_db_detachnode(db, &node);
+	return (result);
+}
 
-	result = isc_file_renameunique(path, buf);
-	if (result != ISC_R_SUCCESS)
-		goto cleanup;
+/*
+ * Add records to signal the state of signing or of key removal.
+ */
+static isc_result_t
+add_signing_records(dns_db_t *db, dns_rdatatype_t privatetype,
+		    dns_dbversion_t *ver, dns_diff_t *diff)
+{
+	dns_difftuple_t *tuple, *newtuple = NULL;
+	dns_rdata_dnskey_t dnskey;
+	dns_rdata_t rdata = DNS_RDATA_INIT;
+	isc_boolean_t flag;
+	isc_region_t r;
+	isc_result_t result = ISC_R_SUCCESS;
+	isc_uint16_t keyid;
+	unsigned char buf[5];
+	dns_name_t *name = dns_db_origin(db);
 
-	dns_zone_log(zone, ISC_LOG_WARNING, "saved '%s' as '%s'",
-		     path, buf);
+	for (tuple = ISC_LIST_HEAD(diff->tuples);
+	     tuple != NULL;
+	     tuple = ISC_LIST_NEXT(tuple, link)) {
+		if (tuple->rdata.type != dns_rdatatype_dnskey)
+			continue;
 
- cleanup:
-	isc_mem_put(zone->mctx, buf, buflen);
-}
+		result = dns_rdata_tostruct(&tuple->rdata, &dnskey, NULL);
+		RUNTIME_CHECK(result == ISC_R_SUCCESS);
+		if ((dnskey.flags &
+		     (DNS_KEYFLAG_OWNERMASK|DNS_KEYTYPE_NOAUTH))
+			 != DNS_KEYOWNER_ZONE)
+			continue;
 
-#if 0
-/* Hook for ondestroy notification from a database. */
+		dns_rdata_toregion(&tuple->rdata, &r);
 
-static void
-dns_zonemgr_dbdestroyed(isc_task_t *task, isc_event_t *event) {
-	dns_db_t *db = event->sender;
-	UNUSED(task);
+		keyid = dst_region_computeid(&r, dnskey.algorithm);
 
-	isc_event_free(&event);
+		buf[0] = dnskey.algorithm;
+		buf[1] = (keyid & 0xff00) >> 8;
+		buf[2] = (keyid & 0xff);
+		buf[3] = (tuple->op == DNS_DIFFOP_ADD) ? 0 : 1;
+		buf[4] = 0;
+		rdata.data = buf;
+		rdata.length = sizeof(buf);
+		rdata.type = privatetype;
+		rdata.rdclass = tuple->rdata.rdclass;
 
-	isc_log_write(dns_lctx, DNS_LOGCATEGORY_GENERAL,
-		      DNS_LOGMODULE_ZONE, ISC_LOG_DEBUG(3),
-		      "database (%p) destroyed", (void*) db);
+		CHECK(rr_exists(db, ver, name, &rdata, &flag));
+		if (flag)
+			continue;
+		CHECK(dns_difftuple_create(diff->mctx, DNS_DIFFOP_ADD,
+					   name, 0, &rdata, &newtuple));
+		CHECK(do_one_tuple(&newtuple, db, ver, diff));
+		INSIST(newtuple == NULL);
+		/*
+		 * Remove any record which says this operation has already
+		 * completed.
+		 */
+		buf[4] = 1;
+		CHECK(rr_exists(db, ver, name, &rdata, &flag));
+		if (flag) {
+			CHECK(dns_difftuple_create(diff->mctx, DNS_DIFFOP_DEL,
+						   name, 0, &rdata, &newtuple));
+			CHECK(do_one_tuple(&newtuple, db, ver, diff));
+			INSIST(newtuple == NULL);
+		}
+	}
+ failure:
+	return (result);
 }
-#endif
 
-void
-dns_zonemgr_setserialqueryrate(dns_zonemgr_t *zmgr, unsigned int value) {
-	isc_interval_t interval;
-	isc_uint32_t s, ns;
-	isc_uint32_t pertic;
+static isc_result_t
+sign_apex(dns_zone_t *zone, dns_db_t *db, dns_dbversion_t *ver,
+	  dns_diff_t *diff, dns_diff_t *sig_diff)
+{
 	isc_result_t result;
+	isc_stdtime_t now, inception, soaexpire;
+	isc_boolean_t check_ksk, keyset_kskonly;
+	dst_key_t *zone_keys[MAXZONEKEYS];
+	unsigned int nkeys = 0, i;
+	dns_difftuple_t *tuple;
 
-	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
+	result = find_zone_keys(zone, db, ver, zone->mctx, MAXZONEKEYS,
+				zone_keys, &nkeys);
+	if (result != ISC_R_SUCCESS) {
+		dns_zone_log(zone, ISC_LOG_ERROR,
+			     "sign_apex:find_zone_keys -> %s\n",
+			     dns_result_totext(result));
+		return (result);
+	}
 
-	if (value == 0)
-		value = 1;
+	isc_stdtime_get(&now);
+	inception = now - 3600;	/* Allow for clock skew. */
+	soaexpire = now + dns_zone_getsigvalidityinterval(zone);
 
-	if (value == 1) {
-		s = 1;
-		ns = 0;
-		pertic = 1;
-	} else if (value <= 10) {
-		s = 0;
-		ns = 1000000000 / value;
-		pertic = 1;
-	} else {
-		s = 0;
-		ns = (1000000000 / value) * 10;
-		pertic = 10;
+	check_ksk = DNS_ZONE_OPTION(zone, DNS_ZONEOPT_UPDATECHECKKSK);
+	keyset_kskonly = DNS_ZONE_OPTION(zone, DNS_ZONEOPT_DNSKEYKSKONLY);
+
+	/*
+	 * See if update_sigs will update DNSKEY signature and if not
+	 * cause them to sign so that so that newly activated keys
+	 * are used.
+	 */
+	for (tuple = ISC_LIST_HEAD(diff->tuples);
+	     tuple != NULL;
+	     tuple = ISC_LIST_NEXT(tuple, link)) {
+		if (tuple->rdata.type == dns_rdatatype_dnskey &&
+		    dns_name_equal(&tuple->name, &zone->origin))
+			break;
 	}
 
-	isc_interval_set(&interval, s, ns);
-	result = isc_ratelimiter_setinterval(zmgr->rl, &interval);
-	RUNTIME_CHECK(result == ISC_R_SUCCESS);
-	isc_ratelimiter_setpertic(zmgr->rl, pertic);
+	if (tuple == NULL) {
+		result = del_sigs(zone, db, ver, &zone->origin,
+				  dns_rdatatype_dnskey, sig_diff,
+				  zone_keys, nkeys, now);
+		if (result != ISC_R_SUCCESS) {
+			dns_zone_log(zone, ISC_LOG_ERROR,
+				     "sign_apex:del_sigs -> %s\n",
+				     dns_result_totext(result));
+			goto failure;
+		}
+		result = add_sigs(db, ver, &zone->origin, dns_rdatatype_dnskey,
+				  sig_diff, zone_keys, nkeys, zone->mctx,
+				  inception, soaexpire, check_ksk,
+				  keyset_kskonly);
+		if (result != ISC_R_SUCCESS) {
+			dns_zone_log(zone, ISC_LOG_ERROR,
+				     "sign_apex:add_sigs -> %s\n",
+				     dns_result_totext(result));
+			goto failure;
+		}
+	}
 
-	zmgr->serialqueryrate = value;
-}
+	result = update_sigs(diff, db, ver, zone_keys, nkeys, zone,
+			     inception, soaexpire, now, check_ksk,
+			     keyset_kskonly, sig_diff);
 
-unsigned int
-dns_zonemgr_getserialqueryrate(dns_zonemgr_t *zmgr) {
-	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
+	if (result != ISC_R_SUCCESS) {
+		dns_zone_log(zone, ISC_LOG_ERROR,
+			     "sign_apex:update_sigs -> %s\n",
+			     dns_result_totext(result));
+		goto failure;
+	}
 
-	return (zmgr->serialqueryrate);
+ failure:
+	for (i = 0; i < nkeys; i++)
+		dst_key_free(&zone_keys[i]);
+	return (result);
 }
 
+/*
+ * Prevent the zone entering a inconsistent state where
+ * NSEC only DNSKEYs are present with NSEC3 chains.
+ * See update.c:check_dnssec()
+ */
 static isc_boolean_t
-dns_zonemgr_unreachable(dns_zonemgr_t *zmgr, isc_sockaddr_t *remote,
-			isc_sockaddr_t *local, isc_time_t *now)
+dnskey_sane(dns_zone_t *zone, dns_db_t *db, dns_dbversion_t *ver,
+	    dns_diff_t *diff)
 {
-	unsigned int i;
-	isc_rwlocktype_t locktype;
 	isc_result_t result;
-	isc_uint32_t seconds = isc_time_seconds(now);
+	dns_difftuple_t *tuple;
+	isc_boolean_t nseconly = ISC_FALSE, nsec3 = ISC_FALSE;
+	dns_rdatatype_t privatetype = dns_zone_getprivatetype(zone);
 
-	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
+	/* Scan the tuples for an NSEC-only DNSKEY */
+	for (tuple = ISC_LIST_HEAD(diff->tuples);
+	     tuple != NULL;
+	     tuple = ISC_LIST_NEXT(tuple, link)) {
+		isc_uint8_t alg;
+		if (tuple->rdata.type != dns_rdatatype_dnskey ||
+		    tuple->op != DNS_DIFFOP_ADD)
+			continue;
 
-	locktype = isc_rwlocktype_read;
-	RWLOCK(&zmgr->rwlock, locktype);
-	for (i = 0; i < UNREACH_CHACHE_SIZE; i++) {
-		if (zmgr->unreachable[i].expire >= seconds &&
-		    isc_sockaddr_equal(&zmgr->unreachable[i].remote, remote) &&
-		    isc_sockaddr_equal(&zmgr->unreachable[i].local, local)) {
-			result = isc_rwlock_tryupgrade(&zmgr->rwlock);
-			if (result == ISC_R_SUCCESS) {
-				locktype = isc_rwlocktype_write;
-				zmgr->unreachable[i].last = seconds;
-			}
+		alg = tuple->rdata.data[3];
+		if (alg == DST_ALG_RSAMD5 || alg == DST_ALG_RSASHA1 ||
+		    alg == DST_ALG_DSA || alg == DST_ALG_ECC) {
+			nseconly = ISC_TRUE;
 			break;
 		}
 	}
-	RWUNLOCK(&zmgr->rwlock, locktype);
-	return (ISC_TF(i < UNREACH_CHACHE_SIZE));
-}
 
-void
-dns_zonemgr_unreachableadd(dns_zonemgr_t *zmgr, isc_sockaddr_t *remote,
-			   isc_sockaddr_t *local, isc_time_t *now)
-{
-	isc_uint32_t seconds = isc_time_seconds(now);
-	isc_uint32_t last = seconds;
-	unsigned int i, slot = UNREACH_CHACHE_SIZE, oldest = 0;
+	/* Check existing DB for NSEC-only DNSKEY */
+	if (!nseconly)
+		CHECK(dns_nsec_nseconly(db, ver, &nseconly));
 
-	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
+	/* Check existing DB for NSEC3 */
+	if (!nsec3)
+		CHECK(dns_nsec3_activex(db, ver, ISC_FALSE,
+					privatetype, &nsec3));
 
-	RWLOCK(&zmgr->rwlock, isc_rwlocktype_write);
-	for (i = 0; i < UNREACH_CHACHE_SIZE; i++) {
-		/* Existing entry? */
-		if (isc_sockaddr_equal(&zmgr->unreachable[i].remote, remote) &&
-		    isc_sockaddr_equal(&zmgr->unreachable[i].local, local))
-			break;
-		/* Empty slot? */
-		if (zmgr->unreachable[i].expire < seconds)
-			slot = i;
-		/* Least recently used slot? */
-		if (zmgr->unreachable[i].last < last) {
-			last = zmgr->unreachable[i].last;
-			oldest = i;
-		}
-	}
-	if (i < UNREACH_CHACHE_SIZE) {
-		/*
-		 * Found a existing entry.  Update the expire timer and
-		 * last usage timestamps.
-		 */
-		zmgr->unreachable[i].expire = seconds + UNREACH_HOLD_TIME;
-		zmgr->unreachable[i].last = seconds;
-	} else if (slot != UNREACH_CHACHE_SIZE) {
-		/*
-		 * Found a empty slot. Add a new entry to the cache.
-		 */
-		zmgr->unreachable[slot].expire = seconds + UNREACH_HOLD_TIME;
-		zmgr->unreachable[slot].last = seconds;
-		zmgr->unreachable[slot].remote = *remote;
-		zmgr->unreachable[slot].local = *local;
-	} else {
-		/*
-		 * Replace the least recently used entry in the cache.
-		 */
-		zmgr->unreachable[oldest].expire = seconds + UNREACH_HOLD_TIME;
-		zmgr->unreachable[oldest].last = seconds;
-		zmgr->unreachable[oldest].remote = *remote;
-		zmgr->unreachable[oldest].local = *local;
+	/* Refuse to allow NSEC3 with NSEC-only keys */
+	if (nseconly && nsec3) {
+		dns_zone_log(zone, ISC_LOG_ERROR,
+			   "NSEC only DNSKEYs and NSEC3 chains not allowed");
+		goto failure;
 	}
-	RWUNLOCK(&zmgr->rwlock, isc_rwlocktype_write);
+
+	return (ISC_TRUE);
+
+ failure:
+	return (ISC_FALSE);
 }
 
-void
-dns_zone_forcereload(dns_zone_t *zone) {
-	REQUIRE(DNS_ZONE_VALID(zone));
+static isc_result_t
+clean_nsec3param(dns_zone_t *zone, dns_db_t *db, dns_dbversion_t *ver,
+		 dns_diff_t *diff)
+{
+	isc_result_t result;
+	dns_dbnode_t *node = NULL;
+	dns_rdataset_t rdataset;
+
+	dns_rdataset_init(&rdataset);
+	CHECK(dns_db_getoriginnode(db, &node));
+
+	result = dns_db_findrdataset(db, node, ver, dns_rdatatype_dnskey,
+				     dns_rdatatype_none, 0, &rdataset, NULL);
+	if (dns_rdataset_isassociated(&rdataset))
+		dns_rdataset_disassociate(&rdataset);
+	if (result != ISC_R_NOTFOUND)
+		goto failure;
 
-	if (zone->type == dns_zone_master)
-		return;
+	result = dns_nsec3param_deletechains(db, ver, zone, diff);
 
-	LOCK_ZONE(zone);
-	DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_FORCEXFER);
-	UNLOCK_ZONE(zone);
-	dns_zone_refresh(zone);
+ failure:
+	if (node != NULL)
+		dns_db_detachnode(db, &node);
+	return (result);
 }
 
-isc_boolean_t
-dns_zone_isforced(dns_zone_t *zone) {
-	REQUIRE(DNS_ZONE_VALID(zone));
+/*
+ * Given an RRSIG rdataset and an algorithm, determine whether there
+ * are any signatures using that algorithm.
+ */
+static isc_boolean_t
+signed_with_alg(dns_rdataset_t *rdataset, dns_secalg_t alg) {
+	dns_rdata_t rdata = DNS_RDATA_INIT;
+	dns_rdata_rrsig_t rrsig;
+	isc_result_t result;
 
-	return (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_FORCEXFER));
-}
+	REQUIRE(rdataset == NULL || rdataset->type == dns_rdatatype_rrsig);
+	if (rdataset == NULL || !dns_rdataset_isassociated(rdataset)) {
+		return (ISC_FALSE);
+	}
 
-isc_result_t
-dns_zone_setstatistics(dns_zone_t *zone, isc_boolean_t on) {
-	/*
-	 * This function is obsoleted.
-	 */
-	UNUSED(zone);
-	UNUSED(on);
-	return (ISC_R_NOTIMPLEMENTED);
-}
+	for (result = dns_rdataset_first(rdataset);
+	     result == ISC_R_SUCCESS;
+	     result = dns_rdataset_next(rdataset))
+	{
+		dns_rdataset_current(rdataset, &rdata);
+		result = dns_rdata_tostruct(&rdata, &rrsig, NULL);
+		RUNTIME_CHECK(result == ISC_R_SUCCESS);
+		dns_rdata_reset(&rdata);
+		if (rrsig.algorithm == alg)
+			return (ISC_TRUE);
+	}
 
-isc_uint64_t *
-dns_zone_getstatscounters(dns_zone_t *zone) {
-	/*
-	 * This function is obsoleted.
-	 */
-	UNUSED(zone);
-	return (NULL);
+	return (ISC_FALSE);
 }
 
-void
-dns_zone_setstats(dns_zone_t *zone, isc_stats_t *stats) {
-	REQUIRE(DNS_ZONE_VALID(zone));
-	REQUIRE(zone->stats == NULL);
+static isc_result_t
+add_chains(dns_zone_t *zone, dns_db_t *db, dns_dbversion_t *ver,
+	   dns_diff_t *diff)
+{
+	dns_name_t *origin;
+	isc_boolean_t build_nsec3;
+	isc_result_t result;
 
-	LOCK_ZONE(zone);
-	zone->stats = NULL;
-	isc_stats_attach(stats, &zone->stats);
-	UNLOCK_ZONE(zone);
+	origin = dns_db_origin(db);
+	CHECK(dns_private_chains(db, ver, zone->privatetype, NULL,
+				 &build_nsec3));
+	if (build_nsec3)
+		CHECK(dns_nsec3_addnsec3sx(db, ver, origin, zone->minimum,
+					   ISC_FALSE, zone->privatetype, diff));
+	CHECK(updatesecure(db, ver, origin, zone->minimum, ISC_TRUE, diff));
+
+ failure:
+	return (result);
 }
 
-void
-dns_zone_setrequeststats(dns_zone_t *zone, isc_stats_t *stats) {
+static void
+zone_rekey(dns_zone_t *zone) {
+	isc_result_t result;
+	dns_db_t *db = NULL;
+	dns_dbnode_t *node = NULL;
+	dns_dbversion_t *ver = NULL;
+	dns_rdataset_t soaset, soasigs, keyset, keysigs;
+	dns_dnsseckeylist_t dnskeys, keys, rmkeys;
+	dns_dnsseckey_t *key;
+	dns_diff_t diff, sig_diff;
+	isc_boolean_t commit = ISC_FALSE, newactive = ISC_FALSE;
+	isc_boolean_t fullsign;
+	dns_ttl_t ttl = 3600;
+	const char *dir;
+	isc_mem_t *mctx;
+	isc_stdtime_t now;
+	isc_time_t timenow;
+	isc_interval_t ival;
+	char timebuf[80];
+
 	REQUIRE(DNS_ZONE_VALID(zone));
 
-	LOCK_ZONE(zone);
-	if (zone->requeststats_on && stats == NULL)
-		zone->requeststats_on = ISC_FALSE;
-	else if (!zone->requeststats_on && stats != NULL) {
-		if (zone->requeststats == NULL) {
-			isc_stats_attach(stats, &zone->requeststats);
-			zone->requeststats_on = ISC_TRUE;
-		}
-	}
-	UNLOCK_ZONE(zone);
+	ISC_LIST_INIT(dnskeys);
+	ISC_LIST_INIT(keys);
+	ISC_LIST_INIT(rmkeys);
+	dns_rdataset_init(&soaset);
+	dns_rdataset_init(&soasigs);
+	dns_rdataset_init(&keyset);
+	dns_rdataset_init(&keysigs);
+	dir = dns_zone_getkeydirectory(zone);
+	mctx = zone->mctx;
+	dns_diff_init(mctx, &diff);
+	dns_diff_init(mctx, &sig_diff);
 
-	return;
-}
+	CHECK(dns_zone_getdb(zone, &db));
+	CHECK(dns_db_newversion(db, &ver));
+	CHECK(dns_db_getoriginnode(db, &node));
+
+	dns_zone_log(zone, ISC_LOG_INFO, "reconfiguring zone keys");
+
+	/* Get the SOA record's TTL */
+	CHECK(dns_db_findrdataset(db, node, ver, dns_rdatatype_soa,
+				  dns_rdatatype_none, 0, &soaset, &soasigs));
+	ttl = soaset.ttl;
+	dns_rdataset_disassociate(&soaset);
+
+	/* Get the DNSKEY rdataset */
+	result = dns_db_findrdataset(db, node, ver, dns_rdatatype_dnskey,
+				     dns_rdatatype_none, 0, &keyset, &keysigs);
+	if (result == ISC_R_SUCCESS) {
+		ttl = keyset.ttl;
+		result = dns_dnssec_keylistfromrdataset(&zone->origin, dir,
+							mctx, &keyset,
+							&keysigs, &soasigs,
+							ISC_FALSE, ISC_FALSE,
+							&dnskeys);
+		/* Can't get keys for some reason; try again later. */
+		if (result != ISC_R_SUCCESS)
+			goto trylater;
+	} else if (result != ISC_R_NOTFOUND)
+		goto failure;
 
-isc_stats_t *
-dns_zone_getrequeststats(dns_zone_t *zone) {
 	/*
-	 * We don't lock zone for efficiency reason.  This is not catastrophic
-	 * because requeststats must always be valid when requeststats_on is
-	 * true.
-	 * Some counters may be incremented while requeststats_on is becoming
-	 * false, or some cannot be incremented just after the statistics are
-	 * installed, but it shouldn't matter much in practice.
+	 * True when called from "rndc sign".  Indicates the zone should be
+	 * fully signed now.
 	 */
-	if (zone->requeststats_on)
-		return (zone->requeststats);
-	else
-		return (NULL);
-}
-
-void
-dns_zone_dialup(dns_zone_t *zone) {
+	fullsign = ISC_TF(DNS_ZONEKEY_OPTION(zone, DNS_ZONEKEY_FULLSIGN) != 0);
 
-	REQUIRE(DNS_ZONE_VALID(zone));
+	result = dns_dnssec_findmatchingkeys(&zone->origin, dir, mctx, &keys);
+	if (result == ISC_R_SUCCESS) {
+		isc_boolean_t check_ksk;
+		check_ksk = DNS_ZONE_OPTION(zone, DNS_ZONEOPT_UPDATECHECKKSK);
 
-	zone_debuglog(zone, "dns_zone_dialup", 3,
-		      "notify = %d, refresh = %d",
-		      DNS_ZONE_FLAG(zone, DNS_ZONEFLG_DIALNOTIFY),
-		      DNS_ZONE_FLAG(zone, DNS_ZONEFLG_DIALREFRESH));
+		result = dns_dnssec_updatekeys(&dnskeys, &keys, &rmkeys,
+					       &zone->origin, ttl, &diff,
+					       ISC_TF(!check_ksk),
+					       mctx, logmsg);
 
-	if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_DIALNOTIFY))
-		dns_zone_notify(zone);
-	if (zone->type != dns_zone_master &&
-	    DNS_ZONE_FLAG(zone, DNS_ZONEFLG_DIALREFRESH))
-		dns_zone_refresh(zone);
-}
+		/* Keys couldn't be updated for some reason;
+		 * try again later. */
+		if (result != ISC_R_SUCCESS) {
+			dns_zone_log(zone, ISC_LOG_ERROR, "zone_rekey:"
+				     "couldn't update zone keys: %s",
+				     isc_result_totext(result));
+			goto trylater;
+		}
 
-void
-dns_zone_setdialup(dns_zone_t *zone, dns_dialuptype_t dialup) {
-	REQUIRE(DNS_ZONE_VALID(zone));
+		/* See if any pre-existing keys have newly become active */
+		for (key = ISC_LIST_HEAD(dnskeys);
+		     key != NULL;
+		     key = ISC_LIST_NEXT(key, link)) {
+			if (key->first_sign) {
+				newactive = ISC_TRUE;
+				break;
+			}
+		}
 
-	LOCK_ZONE(zone);
-	DNS_ZONE_CLRFLAG(zone, DNS_ZONEFLG_DIALNOTIFY |
-			 DNS_ZONEFLG_DIALREFRESH |
-			 DNS_ZONEFLG_NOREFRESH);
-	switch (dialup) {
-	case dns_dialuptype_no:
-		break;
-	case dns_dialuptype_yes:
-		DNS_ZONE_SETFLAG(zone,  (DNS_ZONEFLG_DIALNOTIFY |
-				 DNS_ZONEFLG_DIALREFRESH |
-				 DNS_ZONEFLG_NOREFRESH));
-		break;
-	case dns_dialuptype_notify:
-		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_DIALNOTIFY);
-		break;
-	case dns_dialuptype_notifypassive:
-		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_DIALNOTIFY);
-		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_NOREFRESH);
-		break;
-	case dns_dialuptype_refresh:
-		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_DIALREFRESH);
-		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_NOREFRESH);
-		break;
-	case dns_dialuptype_passive:
-		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_NOREFRESH);
-		break;
-	default:
-		INSIST(0);
+		if ((newactive || fullsign || !ISC_LIST_EMPTY(diff.tuples)) &&
+		    dnskey_sane(zone, db, ver, &diff)) {
+			CHECK(dns_diff_apply(&diff, db, ver));
+			CHECK(clean_nsec3param(zone, db, ver, &diff));
+			CHECK(add_signing_records(db, zone->privatetype, ver,
+						  &diff));
+			CHECK(increment_soa_serial(db, ver, &diff, mctx));
+			CHECK(add_chains(zone, db, ver, &diff));
+			CHECK(sign_apex(zone, db, ver, &diff, &sig_diff));
+			CHECK(zone_journal(zone, &sig_diff, "zone_rekey"));
+			commit = ISC_TRUE;
+		}
 	}
-	UNLOCK_ZONE(zone);
-}
 
-isc_result_t
-dns_zone_setkeydirectory(dns_zone_t *zone, const char *directory) {
-	isc_result_t result = ISC_R_SUCCESS;
+	dns_db_closeversion(db, &ver, commit);
 
-	REQUIRE(DNS_ZONE_VALID(zone));
+	if (commit) {
+		isc_time_t timenow;
+		dns_difftuple_t *tuple;
+		isc_boolean_t newkey = ISC_FALSE;
+		isc_boolean_t newalg = ISC_FALSE;
 
-	LOCK_ZONE(zone);
-	result = dns_zone_setstring(zone, &zone->keydirectory, directory);
-	UNLOCK_ZONE(zone);
+		LOCK_ZONE(zone);
+		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_NEEDNOTIFY);
 
-	return (result);
-}
+		zone_needdump(zone, DNS_DUMP_DELAY);
 
-const char *
-dns_zone_getkeydirectory(dns_zone_t *zone) {
-	REQUIRE(DNS_ZONE_VALID(zone));
+		TIME_NOW(&timenow);
+		zone_settimer(zone, &timenow);
 
-	return (zone->keydirectory);
-}
+		/*
+		 * Has a new key become active?  If so, is it for
+		 * a new algorithm?
+		 */
+		for (tuple = ISC_LIST_HEAD(sig_diff.tuples);
+		     tuple != NULL;
+		     tuple = ISC_LIST_NEXT(tuple, link)) {
+			dns_rdata_dnskey_t dnskey;
 
-unsigned int
-dns_zonemgr_getcount(dns_zonemgr_t *zmgr, int state) {
-	dns_zone_t *zone;
-	unsigned int count = 0;
+			if (tuple->rdata.type != dns_rdatatype_dnskey)
+				continue;
 
-	REQUIRE(DNS_ZONEMGR_VALID(zmgr));
+			newkey = ISC_TRUE;
+			if (!dns_rdataset_isassociated(&keysigs)) {
+				newalg = ISC_TRUE;
+				break;
+			}
 
-	RWLOCK(&zmgr->rwlock, isc_rwlocktype_read);
-	switch (state) {
-	case DNS_ZONESTATE_XFERRUNNING:
-		for (zone = ISC_LIST_HEAD(zmgr->xfrin_in_progress);
-		     zone != NULL;
-		     zone = ISC_LIST_NEXT(zone, statelink))
-			count++;
-		break;
-	case DNS_ZONESTATE_XFERDEFERRED:
-		for (zone = ISC_LIST_HEAD(zmgr->waiting_for_xfrin);
-		     zone != NULL;
-		     zone = ISC_LIST_NEXT(zone, statelink))
-			count++;
-		break;
-	case DNS_ZONESTATE_SOAQUERY:
-		for (zone = ISC_LIST_HEAD(zmgr->zones);
-		     zone != NULL;
-		     zone = ISC_LIST_NEXT(zone, link))
-			if (DNS_ZONE_FLAG(zone, DNS_ZONEFLG_REFRESH))
-				count++;
-		break;
-	case DNS_ZONESTATE_ANY:
-		for (zone = ISC_LIST_HEAD(zmgr->zones);
-		     zone != NULL;
-		     zone = ISC_LIST_NEXT(zone, link)) {
-			dns_view_t *view = zone->view;
-			if (view != NULL && strcmp(view->name, "_bind") == 0)
-				continue;
-			count++;
+			result = dns_rdata_tostruct(&tuple->rdata,
+						    &dnskey, NULL);
+			RUNTIME_CHECK(result == ISC_R_SUCCESS);
+			if (!signed_with_alg(&keysigs,
+					     dnskey.algorithm)) {
+				newalg = ISC_TRUE;
+				break;
+			}
 		}
-		break;
-	default:
-		INSIST(0);
-	}
 
-	RWUNLOCK(&zmgr->rwlock, isc_rwlocktype_read);
+		/*
+		 * If we found a new algorithm, we need to sign the
+		 * zone fully.  If there's a new key, but it's for an
+		 * already-existing algorithm, then the zone signing
+		 * can be handled incrementally.
+		 */
+		if (newkey && !newalg)
+			set_resigntime(zone);
 
-	return (count);
-}
+		/* Remove any signatures from removed keys.  */
+		if (!ISC_LIST_EMPTY(rmkeys)) {
+			for (key = ISC_LIST_HEAD(rmkeys);
+			     key != NULL;
+			     key = ISC_LIST_NEXT(key, link)) {
+				result = zone_signwithkey(zone,
+							  dst_key_alg(key->key),
+							  dst_key_id(key->key),
+							  ISC_TRUE);
+				if (result != ISC_R_SUCCESS) {
+					dns_zone_log(zone, ISC_LOG_ERROR,
+					     "zone_signwithkey failed: %s",
+					     dns_result_totext(result));
+				}
+			}
+		}
+
+
+		if (fullsign) {
+			/*
+			 * "rndc sign" was called, so we now sign the zone
+			 * with all active keys, whether they're new or not.
+			 */
+			for (key = ISC_LIST_HEAD(dnskeys);
+			     key != NULL;
+			     key = ISC_LIST_NEXT(key, link)) {
+				if (!key->force_sign && !key->hint_sign)
+					continue;
+
+				result = zone_signwithkey(zone,
+							  dst_key_alg(key->key),
+							  dst_key_id(key->key),
+							  ISC_FALSE);
+				if (result != ISC_R_SUCCESS) {
+					dns_zone_log(zone, ISC_LOG_ERROR,
+					     "zone_signwithkey failed: %s",
+					     dns_result_totext(result));
+				}
+			}
+		} else if (newalg) {
+			/*
+			 * We haven't been told to sign fully, but a new
+			 * algorithm was added to the DNSKEY.  We sign
+			 * the full zone, but only with the newly-added
+			 * keys.
+			 */
+			for (tuple = ISC_LIST_HEAD(sig_diff.tuples);
+			     tuple != NULL;
+			     tuple = ISC_LIST_NEXT(tuple, link)) {
+				dns_rdata_dnskey_t dnskey;
+				dns_secalg_t algorithm;
+				isc_region_t r;
+				isc_uint16_t keyid;
+
+				if (tuple->rdata.type != dns_rdatatype_dnskey ||
+				    tuple->op == DNS_DIFFOP_DEL)
+					continue;
+
+				result = dns_rdata_tostruct(&tuple->rdata,
+							    &dnskey, NULL);
+				RUNTIME_CHECK(result == ISC_R_SUCCESS);
+				dns_rdata_toregion(&tuple->rdata, &r);
+				algorithm = dnskey.algorithm;
+				keyid = dst_region_computeid(&r, algorithm);
+
+				result = zone_signwithkey(zone, algorithm,
+							  keyid, ISC_FALSE);
+				if (result != ISC_R_SUCCESS) {
+					dns_zone_log(zone, ISC_LOG_ERROR,
+					     "zone_signwithkey failed: %s",
+					     dns_result_totext(result));
+				}
+			}
+		}
 
-isc_result_t
-dns_zone_checknames(dns_zone_t *zone, dns_name_t *name, dns_rdata_t *rdata) {
-	isc_boolean_t ok = ISC_TRUE;
-	isc_boolean_t fail = ISC_FALSE;
-	char namebuf[DNS_NAME_FORMATSIZE];
-	char namebuf2[DNS_NAME_FORMATSIZE];
-	char typebuf[DNS_RDATATYPE_FORMATSIZE];
-	int level = ISC_LOG_WARNING;
-	dns_name_t bad;
+		/*
+		 * Clear fullsign flag, if it was set, so we don't do
+		 * another full signing next time
+		 */
+		zone->keyopts &= ~DNS_ZONEKEY_FULLSIGN;
 
-	REQUIRE(DNS_ZONE_VALID(zone));
+		/*
+		 * Cause the zone to add/delete NSEC3 chains for the
+		 * deferred NSEC3PARAM changes.
+		 */
+		for (tuple = ISC_LIST_HEAD(sig_diff.tuples);
+		     tuple != NULL;
+		     tuple = ISC_LIST_NEXT(tuple, link)) {
+			unsigned char buf[DNS_NSEC3PARAM_BUFFERSIZE];
+			dns_rdata_t rdata = DNS_RDATA_INIT;
+			dns_rdata_nsec3param_t nsec3param;
 
-	if (!DNS_ZONE_OPTION(zone, DNS_ZONEOPT_CHECKNAMES))
-		return (ISC_R_SUCCESS);
+			if (tuple->rdata.type != zone->privatetype ||
+			    tuple->op != DNS_DIFFOP_ADD)
+				continue;
 
-	if (DNS_ZONE_OPTION(zone, DNS_ZONEOPT_CHECKNAMESFAIL)) {
-		level = ISC_LOG_ERROR;
-		fail = ISC_TRUE;
-	}
+			if (!dns_nsec3param_fromprivate(&tuple->rdata, &rdata,
+							buf, sizeof(buf)))
+				continue;
+			result = dns_rdata_tostruct(&rdata, &nsec3param, NULL);
+			RUNTIME_CHECK(result == ISC_R_SUCCESS);
+			if (nsec3param.flags == 0)
+				continue;
 
-	ok = dns_rdata_checkowner(name, rdata->rdclass, rdata->type, ISC_TRUE);
-	if (!ok) {
-		dns_name_format(name, namebuf, sizeof(namebuf));
-		dns_rdatatype_format(rdata->type, typebuf, sizeof(typebuf));
-		dns_zone_log(zone, level, "%s/%s: %s", namebuf, typebuf,
-			     dns_result_totext(DNS_R_BADOWNERNAME));
-		if (fail)
-			return (DNS_R_BADOWNERNAME);
+			result = zone_addnsec3chain(zone, &nsec3param);
+			if (result != ISC_R_SUCCESS) {
+				dns_zone_log(zone, ISC_LOG_ERROR,
+					     "zone_addnsec3chain failed: %s",
+					     dns_result_totext(result));
+			}
+		}
+		UNLOCK_ZONE(zone);
 	}
 
-	dns_name_init(&bad, NULL);
-	ok = dns_rdata_checknames(rdata, name, &bad);
-	if (!ok) {
-		dns_name_format(name, namebuf, sizeof(namebuf));
-		dns_name_format(&bad, namebuf2, sizeof(namebuf2));
-		dns_rdatatype_format(rdata->type, typebuf, sizeof(typebuf));
-		dns_zone_log(zone, level, "%s/%s: %s: %s ", namebuf, typebuf,
-			     namebuf2, dns_result_totext(DNS_R_BADNAME));
-		if (fail)
-			return (DNS_R_BADNAME);
-	}
+	isc_stdtime_get(&now);
+	TIME_NOW(&timenow);
+	isc_time_settoepoch(&zone->refreshkeytime);
+	for (key = ISC_LIST_HEAD(dnskeys);
+	     key != NULL;
+	     key = ISC_LIST_NEXT(key, link)) {
+		isc_stdtime_t then;
+		isc_time_t timethen;
 
-	return (ISC_R_SUCCESS);
-}
+		/*
+		 * If we are doing automatic key maintenance and the
+		 * key metadata indicates there is a key change event
+		 * scheduled in the future, set the key refresh timer.
+		 */
+		if (!DNS_ZONEKEY_OPTION(zone, DNS_ZONEKEY_MAINTAIN))
+			break;
 
-void
-dns_zone_setcheckmx(dns_zone_t *zone, dns_checkmxfunc_t checkmx) {
-	REQUIRE(DNS_ZONE_VALID(zone));
-	zone->checkmx = checkmx;
-}
+		then = now;
+		result = next_keyevent(key->key, &then);
+		if (result != ISC_R_SUCCESS)
+			continue;
 
-void
-dns_zone_setchecksrv(dns_zone_t *zone, dns_checksrvfunc_t checksrv) {
-	REQUIRE(DNS_ZONE_VALID(zone));
-	zone->checksrv = checksrv;
-}
+		DNS_ZONE_TIME_ADD(&timenow, then - now, &timethen);
+		LOCK_ZONE(zone);
+		if (isc_time_isepoch(&zone->refreshkeytime) ||
+		    isc_time_compare(&timethen, &zone->refreshkeytime) < 0) {
+			zone->refreshkeytime = timethen;
+			zone_settimer(zone, &timenow);
+		}
+		UNLOCK_ZONE(zone);
+	}
 
-void
-dns_zone_setcheckns(dns_zone_t *zone, dns_checknsfunc_t checkns) {
-	REQUIRE(DNS_ZONE_VALID(zone));
-	zone->checkns = checkns;
-}
+	/*
+	 * If no key event is scheduled, we should still check the key
+	 * repository for updates every so often.  (Currently this is
+	 * hard-coded to 12 hours, but it could be configurable.)
+	 */
+	if (isc_time_isepoch(&zone->refreshkeytime))
+		DNS_ZONE_TIME_ADD(&timenow, (3600 * 12), &zone->refreshkeytime);
 
-void
-dns_zone_setisself(dns_zone_t *zone, dns_isselffunc_t isself, void *arg) {
-	REQUIRE(DNS_ZONE_VALID(zone));
+	isc_time_formattimestamp(&zone->refreshkeytime, timebuf, 80);
+	dns_zone_log(zone, ISC_LOG_INFO, "next key event: %s", timebuf);
 
-	LOCK_ZONE(zone);
-	zone->isself = isself;
-	zone->isselfarg = arg;
-	UNLOCK_ZONE(zone);
-}
+ failure:
+	dns_diff_clear(&diff);
+	dns_diff_clear(&sig_diff);
 
-void
-dns_zone_setnotifydelay(dns_zone_t *zone, isc_uint32_t delay) {
-	REQUIRE(DNS_ZONE_VALID(zone));
+	clear_keylist(&dnskeys, mctx);
+	clear_keylist(&keys, mctx);
+	clear_keylist(&rmkeys, mctx);
+
+	if (ver != NULL)
+		dns_db_closeversion(db, &ver, ISC_FALSE);
+	if (dns_rdataset_isassociated(&keyset))
+		dns_rdataset_disassociate(&keyset);
+	if (dns_rdataset_isassociated(&keysigs))
+		dns_rdataset_disassociate(&keysigs);
+	if (dns_rdataset_isassociated(&soasigs))
+		dns_rdataset_disassociate(&soasigs);
+	if (node != NULL)
+		dns_db_detachnode(db, &node);
+	if (db != NULL)
+		dns_db_detach(&db);
+	return;
 
-	LOCK_ZONE(zone);
-	zone->notifydelay = delay;
-	UNLOCK_ZONE(zone);
+ trylater:
+	isc_interval_set(&ival, HOUR, 0);
+	isc_time_nowplusinterval(&zone->refreshkeytime, &ival);
+	goto failure;
 }
 
-isc_uint32_t
-dns_zone_getnotifydelay(dns_zone_t *zone) {
-	REQUIRE(DNS_ZONE_VALID(zone));
+void
+dns_zone_rekey(dns_zone_t *zone, isc_boolean_t fullsign) {
+	isc_time_t now;
 
-	return (zone->notifydelay);
-}
+	if (zone->type == dns_zone_master && zone->task != NULL) {
+		LOCK_ZONE(zone);
 
-isc_result_t
-dns_zone_signwithkey(dns_zone_t *zone, dns_secalg_t algorithm,
-		     isc_uint16_t keyid, isc_boolean_t delete)
-{
-	isc_result_t result;
-	REQUIRE(DNS_ZONE_VALID(zone));
+		if (fullsign)
+			zone->keyopts |= DNS_ZONEKEY_FULLSIGN;
 
-	dns_zone_log(zone, ISC_LOG_NOTICE,
-		     "dns_zone_signwithkey(algorithm=%u, keyid=%u)",
-		     algorithm, keyid);
-	LOCK_ZONE(zone);
-	result = zone_signwithkey(zone, algorithm, keyid, delete);
-	UNLOCK_ZONE(zone);
+		TIME_NOW(&now);
+		zone->refreshkeytime = now;
+		zone_settimer(zone, &now);
 
-	return (result);
+		UNLOCK_ZONE(zone);
+	}
 }
 
-static const char *hex = "0123456789ABCDEF";
-
 isc_result_t
-dns_zone_addnsec3chain(dns_zone_t *zone, dns_rdata_nsec3param_t *nsec3param) {
+dns_zone_nscheck(dns_zone_t *zone, dns_db_t *db, dns_dbversion_t *version,
+		 unsigned int *errors)
+{
 	isc_result_t result;
-	char salt[255*2+1];
-	unsigned int i, j;
+	dns_dbnode_t *node = NULL;
 
 	REQUIRE(DNS_ZONE_VALID(zone));
+	REQUIRE(errors != NULL);
 
-	if (nsec3param->salt_length != 0) {
-		INSIST((nsec3param->salt_length * 2U) < sizeof(salt));
-		for (i = 0, j = 0; i < nsec3param->salt_length; i++) {
-			salt[j++] = hex[(nsec3param->salt[i] >> 4) & 0xf];
-			salt[j++] = hex[nsec3param->salt[i] & 0xf];
-		}
-		salt[j] = '\0';
-	} else
-		strcpy(salt, "-");
-	dns_zone_log(zone, ISC_LOG_NOTICE,
-		     "dns_zone_addnsec3chain(hash=%u, iterations=%u, salt=%s)",
-		     nsec3param->hash, nsec3param->iterations,
-		     salt);
-	LOCK_ZONE(zone);
-	result = zone_addnsec3chain(zone, nsec3param);
-	UNLOCK_ZONE(zone);
-
+	result = dns_db_getoriginnode(db, &node);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+	result = zone_count_ns_rr(zone, db, node, version, NULL, errors,
+				  ISC_FALSE);
+	dns_db_detachnode(db, &node);
 	return (result);
 }
 
 void
-dns_zone_setnodes(dns_zone_t *zone, isc_uint32_t nodes) {
-	REQUIRE(DNS_ZONE_VALID(zone));
-
-	if (nodes == 0)
-		nodes = 1;
-	zone->nodes = nodes;
-}
-
-void
-dns_zone_setsignatures(dns_zone_t *zone, isc_uint32_t signatures) {
-	REQUIRE(DNS_ZONE_VALID(zone));
-
-	/*
-	 * We treat signatures as a signed value so explicitly
-	 * limit its range here.
-	 */
-	if (signatures > ISC_INT32_MAX)
-		signatures = ISC_INT32_MAX;
-	else if (signatures == 0)
-		signatures = 1;
-	zone->signatures = signatures;
-}
-
-void
-dns_zone_setprivatetype(dns_zone_t *zone, dns_rdatatype_t type) {
+dns_zone_setadded(dns_zone_t *zone, isc_boolean_t added) {
 	REQUIRE(DNS_ZONE_VALID(zone));
-	zone->privatetype = type;
+	LOCK_ZONE(zone);
+	zone->added = added;
+	UNLOCK_ZONE(zone);
 }
 
-dns_rdatatype_t
-dns_zone_getprivatetype(dns_zone_t *zone) {
+isc_boolean_t
+dns_zone_getadded(dns_zone_t *zone) {
 	REQUIRE(DNS_ZONE_VALID(zone));
-	return (zone->privatetype);
+	return (zone->added);
 }
 
-static isc_result_t
-zone_signwithkey(dns_zone_t *zone, dns_secalg_t algorithm, isc_uint16_t keyid,
-		 isc_boolean_t delete)
+isc_result_t
+dns_zone_dlzpostload(dns_zone_t *zone, dns_db_t *db)
 {
-	dns_signing_t *signing;
-	dns_signing_t *current;
-	isc_result_t result = ISC_R_SUCCESS;
-	isc_time_t now;
-
-	signing = isc_mem_get(zone->mctx, sizeof *signing);
-	if (signing == NULL)
-		return (ISC_R_NOMEMORY);
-
-	signing->magic = 0;
-	signing->db  = NULL;
-	signing->dbiterator = NULL;
-	signing->algorithm = algorithm;
-	signing->keyid = keyid;
-	signing->delete = delete;
-	signing->done = ISC_FALSE;
-
-	TIME_NOW(&now);
-
-	for (current = ISC_LIST_HEAD(zone->signing);
-	     current != NULL;
-	     current = ISC_LIST_NEXT(current, link)) {
-		if (current->db == zone->db &&
-		    current->algorithm == signing->algorithm &&
-		    current->keyid == signing->keyid) {
-			if (current->delete != signing->delete)
-				current->done = ISC_TRUE;
-			else
-				goto cleanup;
-		}
-	}
-
-	if (zone->db != NULL) {
-		dns_db_attach(zone->db, &signing->db);
-		result = dns_db_createiterator(signing->db, 0,
-					       &signing->dbiterator);
-
-		if (result == ISC_R_SUCCESS)
-			result = dns_dbiterator_first(signing->dbiterator);
-		if (result == ISC_R_SUCCESS) {
-			dns_dbiterator_pause(signing->dbiterator);
-			ISC_LIST_INITANDAPPEND(zone->signing, signing, link);
-			signing = NULL;
-			if (isc_time_isepoch(&zone->signingtime)) {
-				zone->signingtime = now;
-				if (zone->task != NULL)
-					zone_settimer(zone, &now);
-			}
-		}
-	} else
-		result = ISC_R_NOTFOUND;
+	isc_time_t loadtime;
+	isc_result_t result;
+	TIME_NOW(&loadtime);
 
- cleanup:
-	if (signing != NULL) {
-		if (signing->db != NULL)
-			dns_db_detach(&signing->db);
-		if (signing->dbiterator != NULL)
-			dns_dbiterator_destroy(&signing->dbiterator);
-		isc_mem_put(zone->mctx, signing, sizeof *signing);
-	}
-	return (result);
+	LOCK_ZONE(zone);
+	result = zone_postload(zone, db, loadtime, ISC_R_SUCCESS);
+	UNLOCK_ZONE(zone);
+	return result;
 }
diff --git a/lib/export/Makefile.in b/lib/export/Makefile.in
new file mode 100644
index 0000000..5a9e633
--- /dev/null
+++ b/lib/export/Makefile.in
@@ -0,0 +1,27 @@
+# Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile.in,v 1.3 2009-09-02 23:48:02 tbox Exp $
+
+srcdir =	@srcdir@
+top_srcdir =	@top_srcdir@
+
+# Note: the order of SUBDIRS is important.
+# Attempt to disable parallel processing.
+.NOTPARALLEL:
+.NO_PARALLEL:
+SUBDIRS =	isc dns isccfg irs samples
+TARGETS =
+
+@BIND9_MAKE_RULES@
diff --git a/lib/export/dns/Makefile.in b/lib/export/dns/Makefile.in
new file mode 100644
index 0000000..15b0d3f
--- /dev/null
+++ b/lib/export/dns/Makefile.in
@@ -0,0 +1,179 @@
+# Copyright (C) 2009, 2010  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile.in,v 1.8 2010-12-23 04:07:59 marka Exp $
+
+top_srcdir =	@top_srcdir@
+srcdir =	@top_srcdir@/lib/dns
+export_srcdir =	@top_srcdir@/lib/export
+
+# Attempt to disable parallel processing.
+.NOTPARALLEL:
+.NO_PARALLEL:
+
+@BIND9_VERSION@
+
+@LIBDNS_API@
+
+@BIND9_MAKE_INCLUDES@
+
+CINCLUDES =	-I. -Iinclude ${DNS_INCLUDES} -I${export_srcdir}/isc/include \
+		${ISC_INCLUDES} @DST_OPENSSL_INC@ @DST_GSSAPI_INC@
+
+CDEFINES =	-DUSE_MD5 @USE_OPENSSL@ @USE_GSSAPI@
+
+CWARNINGS =
+
+ISCLIBS =	../isc/libisc.@A@
+
+ISCDEPLIBS =	../isc/libisc.@A@
+
+LIBS =		@LIBS@
+
+# Alphabetically
+
+OPENSSLLINKOBJS = openssl_link.@O@ openssldh_link.@O@ openssldsa_link.@O@ \
+		opensslgost_link.@O@ opensslrsa_link.@O@
+
+DSTOBJS =	@OPENSSLLINKOBJS@ \
+		dst_api.@O@ dst_lib.@O@ dst_parse.@O@ dst_result.@O@ \
+		gssapi_link.@O@ gssapictx.@O@ hmac_link.@O@ key.@O@
+
+DNSOBJS =	acl.@O@ adb.@O@ byaddr.@O@ \
+		cache.@O@ callbacks.@O@ client.@O@ compress.@O@ \
+		db.@O@ dbiterator.@O@ diff.@O@ dispatch.@O@ dlz.@O@ dnssec.@O@ \
+		ds.@O@ \
+		forward.@O@ iptable.@O@ \
+		keytable.@O@ \
+		lib.@O@ log.@O@ \
+		master.@O@ masterdump.@O@ message.@O@ \
+		name.@O@ ncache.@O@ nsec.@O@ nsec3.@O@ \
+		peer.@O@ portlist.@O@ \
+		rbt.@O@ rbtdb.@O@ rcode.@O@ rdata.@O@ \
+		rdatalist.@O@ rdataset.@O@ rdatasetiter.@O@ rdataslab.@O@ \
+		request.@O@ resolver.@O@ result.@O@ soa.@O@ stats.@O@ \
+		tcpmsg.@O@ time.@O@ tsec.@O@ tsig.@O@ ttl.@O@ \
+		validator.@O@ version.@O@ view.@O@
+PORTDNSOBJS =	ecdb.@O@
+
+OBJS=		${DNSOBJS} ${OTHEROBJS} ${DSTOBJS} ${PORTDNSOBJS}
+
+# Alphabetically
+
+OPENSSLLINKSRCS = openssl_link.c openssldh_link.c openssldsa_link.c \
+		opensslgost_link.c opensslrsa_link.c
+
+DSTSRCS =	@OPENSSLLINKSRCS@ \
+		dst_api.c dst_lib.c dst_parse.c \
+		dst_result.c gssapi_link.c gssapictx.c \
+		hmac_link.c key.c 
+
+DNSSRCS =	acl.c adb.c byaddr.c \
+		cache.c callbacks.c client.c compress.c \
+		db.c dbiterator.c diff.c dispatch.c dlz.c dnssec.c ds.c \
+		forward.c iptable.c \
+		keytable.c \
+		lib.c log.c \
+		master.c masterdump.c message.c \
+		name.c ncache.c nsec.c nsec3.c \
+		peer.c portlist.c \
+		rbt.c rbtdb.c rcode.c rdata.c \
+		rdatalist.c rdataset.c rdatasetiter.c rdataslab.c \
+		request.c res.c resolver.c result.c soa.c stats.c \
+		tcpmsg.c time.c tsec.c tsig.c ttl.c \
+		validator.c version.c view.c
+PORTDNSSRCS =	ecdb.c
+
+SRCS = ${DSTSRCS} ${DNSSRCS} ${PORTDNSSRCS}
+
+SUBDIRS =	include
+TARGETS =	include/dns/enumtype.h include/dns/enumclass.h \
+		include/dns/rdatastruct.h timestamp
+
+DEPENDEXTRA =	./gen -F include/dns/rdatastruct.h \
+		-s ${srcdir} -d >> Makefile ;
+
+@BIND9_MAKE_RULES@
+
+version.@O@: ${srcdir}/version.c
+	${LIBTOOL_MODE_COMPILE} ${CC} ${ALL_CFLAGS} \
+		-DVERSION=\"${VERSION}\" \
+		-DLIBINTERFACE=${LIBINTERFACE} \
+		-DLIBREVISION=${LIBREVISION} \
+		-DLIBAGE=${LIBAGE} \
+		-c ${srcdir}/version.c
+
+libdns.@SA@: ${OBJS}
+	${AR} ${ARFLAGS} $@ ${OBJS}
+	${RANLIB} $@
+
+libdns.la: ${OBJS}
+	${LIBTOOL_MODE_LINK} \
+		${CC} ${ALL_CFLAGS} ${LDFLAGS} -o libdns.la \
+		-rpath ${export_libdir} \
+		-version-info ${LIBINTERFACE}:${LIBREVISION}:${LIBAGE} \
+		${OBJS} ${ISCLIBS} @DNS_CRYPTO_LIBS@ ${LIBS}
+
+timestamp: libdns.@A@
+	touch timestamp
+
+installdirs:
+	$(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${export_libdir}
+
+install:: timestamp installdirs
+	${LIBTOOL_MODE_INSTALL} ${INSTALL_DATA} libdns.@A@ \
+	${DESTDIR}${export_libdir}
+
+clean distclean::
+	rm -f libdns.@A@ timestamp
+	rm -f gen code.h include/dns/enumtype.h include/dns/enumclass.h
+	rm -f include/dns/rdatastruct.h
+
+newrr::
+	rm -f code.h include/dns/enumtype.h include/dns/enumclass.h
+	rm -f include/dns/rdatastruct.h
+
+include: include/dns/enumtype.h include/dns/enumclass.h \
+	include/dns/rdatastruct.h
+
+rdata.@O@: code.h
+
+include/dns/enumtype.h: gen
+	./gen -s ${srcdir} -t > $@
+
+include/dns/enumclass.h: gen
+	./gen -s ${srcdir} -c > $@
+
+include/dns/rdatastruct.h: gen \
+		${srcdir}/rdata/rdatastructpre.h \
+		${srcdir}/rdata/rdatastructsuf.h
+	./gen -s ${srcdir} -i \
+		-P ${srcdir}/rdata/rdatastructpre.h \
+		-S ${srcdir}/rdata/rdatastructsuf.h > $@
+
+code.h:	gen
+	./gen -s ${srcdir} > code.h
+
+gen: ${srcdir}/gen.c
+	${CC} ${ALL_CFLAGS} ${LDFLAGS} -o $@ ${srcdir}/gen.c ${LIBS}
+
+#We don't need rbtdb64 for this library
+#rbtdb64.@O@: rbtdb.c
+
+depend: include/dns/enumtype.h include/dns/enumclass.h \
+	include/dns/rdatastruct.h code.h
+subdirs: include/dns/enumtype.h include/dns/enumclass.h \
+	include/dns/rdatastruct.h code.h
+${OBJS}: include/dns/enumtype.h include/dns/enumclass.h \
+	include/dns/rdatastruct.h
diff --git a/lib/export/dns/include/Makefile.in b/lib/export/dns/include/Makefile.in
new file mode 100644
index 0000000..ecd9c8a
--- /dev/null
+++ b/lib/export/dns/include/Makefile.in
@@ -0,0 +1,23 @@
+# Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile.in,v 1.3 2009-09-02 23:48:02 tbox Exp $
+
+srcdir =	@srcdir@
+top_srcdir =	@top_srcdir@
+
+SUBDIRS =	dns dst
+TARGETS =
+
+@BIND9_MAKE_RULES@
diff --git a/lib/export/dns/include/dns/Makefile.in b/lib/export/dns/include/dns/Makefile.in
new file mode 100644
index 0000000..ccaae41
--- /dev/null
+++ b/lib/export/dns/include/dns/Makefile.in
@@ -0,0 +1,56 @@
+# Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile.in,v 1.4 2009-09-18 07:18:04 jinmei Exp $
+
+srcdir =	@srcdir@
+top_srcdir =	@top_srcdir@
+
+@BIND9_VERSION@
+
+HEADERS =	acl.h adb.h byaddr.h \
+		cache.h callbacks.h cert.h client.h compress.h \
+		db.h dbiterator.h diff.h dispatch.h dlz.h dnssec.h \
+		ds.h events.h fixedname.h ecdb.h \
+		forward.h iptable.h \
+		keytable.h keyvalues.h \
+		lib.h log.h \
+		master.h masterdump.h message.h \
+		name.h ncache.h nsec.h nsec3.h \
+		peer.h portlist.h \
+		rbt.h rcode.h rdata.h rdataclass.h \
+		rdatalist.h rdataset.h rdatasetiter.h rdataslab.h rdatatype.h \
+		request.h resolver.h result.h \
+		secalg.h secproto.h soa.h stats.h \
+		tcpmsg.h time.h tsec.h tsig.h ttl.h types.h \
+		validator.h version.h view.h
+
+GENHEADERS =	enumclass.h enumtype.h rdatastruct.h
+
+SUBDIRS =
+TARGETS =
+
+@BIND9_MAKE_RULES@
+
+installdirs:
+	$(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${export_includedir}/dns
+
+install:: installdirs
+	for i in ${HEADERS}; do \
+		${INSTALL_DATA} ${top_srcdir}/lib/dns/include/dns/$$i \
+		${DESTDIR}${export_includedir}/dns ; \
+	done
+	for i in ${GENHEADERS}; do \
+		${INSTALL_DATA} $$i ${DESTDIR}${export_includedir}/dns ; \
+	done
diff --git a/lib/export/dns/include/dst/Makefile.in b/lib/export/dns/include/dst/Makefile.in
new file mode 100644
index 0000000..cebc726
--- /dev/null
+++ b/lib/export/dns/include/dst/Makefile.in
@@ -0,0 +1,36 @@
+# Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile.in,v 1.3 2009-09-02 23:48:02 tbox Exp $
+
+srcdir =	@srcdir@
+top_srcdir =	@top_srcdir@
+
+@BIND9_VERSION@
+
+HEADERS =	dst.h gssapi.h lib.h result.h
+
+SUBDIRS =
+TARGETS =
+
+@BIND9_MAKE_RULES@
+
+installdirs:
+	$(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${export_includedir}/dst
+
+install:: installdirs
+	for i in ${HEADERS}; do \
+		${INSTALL_DATA} ${top_srcdir}/lib/dns/include/dst/$$i \
+		${DESTDIR}${export_includedir}/dst ; \
+	done
diff --git a/lib/export/irs/Makefile.in b/lib/export/irs/Makefile.in
new file mode 100644
index 0000000..aad9400
--- /dev/null
+++ b/lib/export/irs/Makefile.in
@@ -0,0 +1,86 @@
+# Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile.in,v 1.4 2009-12-05 23:31:40 each Exp $
+
+top_srcdir =	@top_srcdir@
+srcdir =	@top_srcdir@/lib/irs
+export_srcdir =	@top_srcdir@/lib/export
+
+@BIND9_VERSION@
+
+@LIBIRS_API@
+
+@BIND9_MAKE_INCLUDES@
+
+CINCLUDES =	-I. -I./include -I${srcdir}/include \
+		${ISCCFG_INCLUDES} -I../dns/include ${DNS_INCLUDES} \
+		-I${export_srcdir}/isc/include ${ISC_INCLUDES}
+CDEFINES =
+CWARNINGS =
+
+# Alphabetically
+OBJS =		context.@O@ \
+		dnsconf.@O@ \
+		gai_strerror.@O@ getaddrinfo.@O@ getnameinfo.@O@ \
+		resconf.@O@
+
+# Alphabetically
+SRCS =		context.c \
+		dnsconf.c \
+		gai_sterror.c getaddrinfo.c getnameinfo.c \
+		resconf.c
+
+ISCLIBS =	../isc/libisc.@A@
+DNSLIBS =	../dns/libdns.@A@
+ISCCFGLIBS =	../isccfg/libisccfg.@A@
+
+LIBS =		@LIBS@
+
+SUBDIRS =	include
+TARGETS =	timestamp
+
+@BIND9_MAKE_RULES@
+
+version.@O@: ${srcdir}/version.c
+	${LIBTOOL_MODE_COMPILE} ${CC} ${ALL_CFLAGS} \
+		-DVERSION=\"${VERSION}\" \
+		-DLIBINTERFACE=${LIBINTERFACE} \
+		-DLIBREVISION=${LIBREVISION} \
+		-DLIBAGE=${LIBAGE} \
+		-c ${srcdir}/version.c
+
+libirs.@SA@: ${OBJS} version.@O@
+	${AR} ${ARFLAGS} $@ ${OBJS} version.@O@
+	${RANLIB} $@
+
+libirs.la: ${OBJS} version.@O@
+	${LIBTOOL_MODE_LINK} \
+		${CC} ${ALL_CFLAGS} ${LDFLAGS} -o libirs.la \
+		-rpath ${export_libdir} \
+		-version-info ${LIBINTERFACE}:${LIBREVISION}:${LIBAGE} \
+		${OBJS} version.@O@ ${LIBS} ${ISCCFGLIBS} ${DNSLIBS} ${ISCLIBS}
+
+timestamp: libirs.@A@
+	touch timestamp
+
+installdirs:
+	$(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${export_libdir}
+
+install:: timestamp installdirs
+	${LIBTOOL_MODE_INSTALL} ${INSTALL_DATA} libirs.@A@ \
+	${DESTDIR}${export_libdir}
+
+clean distclean::
+	rm -f libirs.@A@ libirs.la timestamp
diff --git a/lib/export/irs/include/Makefile.in b/lib/export/irs/include/Makefile.in
new file mode 100644
index 0000000..e6d4eae
--- /dev/null
+++ b/lib/export/irs/include/Makefile.in
@@ -0,0 +1,24 @@
+# Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile.in,v 1.2 2009-09-01 00:22:27 jinmei Exp $
+
+srcdir =	@srdir@
+top_srcdir =	@top_srcdir@
+
+
+SUBDIRS =	irs
+TARGETS =
+
+@BIND9_MAKE_RULES@
diff --git a/lib/export/irs/include/irs/Makefile.in b/lib/export/irs/include/irs/Makefile.in
new file mode 100644
index 0000000..93f4200
--- /dev/null
+++ b/lib/export/irs/include/irs/Makefile.in
@@ -0,0 +1,46 @@
+# Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile.in,v 1.3 2009-09-02 23:48:02 tbox Exp $
+
+srcdir =	@srcdir@
+top_srcdir =	@top_srcdir@
+
+#
+# Only list headers that are to be installed and are not
+# machine generated.  The latter are handled specially in the
+# install target below.
+#
+HEADERS =	context.h dnsconf.h resconf.h types.h version.h
+
+SUBDIRS =
+TARGETS =
+
+@BIND9_MAKE_RULES@
+
+installdirs:
+	$(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${export_includedir}/irs
+
+install:: installdirs
+	for i in ${HEADERS}; do \
+		${INSTALL_DATA} ${top_srcdir}/lib/irs/include/irs/$$i \
+		${DESTDIR}${export_includedir}/irs ; \
+	done
+	${INSTALL_DATA} ${top_srcdir}/lib/irs/include/irs/netdb.h \
+	${DESTDIR}${export_includedir}/irs
+	${INSTALL_DATA} ${top_srcdir}/lib/irs/include/irs/platform.h \
+	${DESTDIR}${export_includedir}/irs
+
+distclean::
+	rm -f netdb.h platform.h
diff --git a/lib/export/isc/Makefile.in b/lib/export/isc/Makefile.in
new file mode 100644
index 0000000..fa1c367
--- /dev/null
+++ b/lib/export/isc/Makefile.in
@@ -0,0 +1,139 @@
+# Copyright (C) 2009, 2010  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile.in,v 1.8 2010-06-09 23:50:58 tbox Exp $
+
+top_srcdir =	@top_srcdir@
+srcdir =	@top_srcdir@/lib/isc
+export_srcdir =	@top_srcdir@/lib/export
+
+@BIND9_VERSION@
+
+@LIBISC_API@
+
+CINCLUDES =	-I${srcdir}/unix/include \
+		-I${srcdir}/@ISC_THREAD_DIR@/include \
+		-I${srcdir}/@ISC_ARCH_DIR@/include \
+		-I${export_srcdir}/isc/include -I${srcdir}/include \
+		@ISC_OPENSSL_INC@
+CDEFINES =	@USE_OPENSSL@ -DUSE_APPIMPREGISTER -DUSE_MEMIMPREGISTER \
+		-DUSE_SOCKETIMPREGISTER -DUSE_TASKIMPREGISTER \
+		-DUSE_TIMERIMPREGISTER
+CWARNINGS =
+
+# Alphabetically
+# {file,dir}.c is necessary for isclog
+# symtab.c is necessary for isccfg
+APIOBJS =	app_api.@O@ mem_api.@O@ socket_api.@O@ \
+		task_api.@O@ timer_api.@O@
+
+ISCDRIVEROBJS =	mem.@O@ unix/socket.@O@ task.@O@ timer.@O@ lib.@O@ \
+		heap.@O@	#timer module depends on this
+
+UNIXOBJS =	@ISC_ISCIPV6_O@ \
+		unix/app.@O@ \
+		unix/dir.@O@ \
+		unix/errno2result.@O@ \
+		unix/file.@O@ \
+		unix/fsaccess.@O@ \
+		unix/stdio.@O@ \
+		unix/stdtime.@O@ unix/strerror.@O@ unix/time.@O@
+
+NLSOBJS =	nls/msgcat.@O@
+
+THREADOPTOBJS = @ISC_THREAD_DIR@/condition.@O@ @ISC_THREAD_DIR@/mutex.@O@
+
+THREADOBJS =	@THREADOPTOBJS@ @ISC_THREAD_DIR@/thread.@O@
+
+WIN32OBJS = 	win32/condition.@O@ win32/dir.@O@ win32/file.@O@ \
+		win32/fsaccess.@O@ win32/once.@O@ win32/stdtime.@O@ \
+		win32/thread.@O@ win32/time.@O@
+
+# Alphabetically
+OBJS =		@ISC_EXTRA_OBJS@ \
+		assertions.@O@ backtrace.@O@ backtrace-emptytbl.@O@ base32.@O@ \
+		base64.@O@ buffer.@O@ bufferlist.@O@ \
+		error.@O@ event.@O@ \
+		hash.@O@ hex.@O@ hmacmd5.@O@ hmacsha.@O@ \
+		inet_aton.@O@ iterated_hash.@O@ lex.@O@ lfsr.@O@ log.@O@ \
+		md5.@O@ mutexblock.@O@ \
+		netaddr.@O@ netscope.@O@ \
+		ondestroy.@O@ \
+		parseint.@O@ portset.@O@ radix.@O@ \
+		random.@O@ refcount.@O@ region.@O@ result.@O@ rwlock.@O@ \
+		serial.@O@ sha1.@O@ sha2.@O@ sockaddr.@O@ stats.@O@ string.@O@ \
+		symtab.@O@ \
+		version.@O@ \
+		${APIOBJS} ${ISCDRIVEROBJS} \
+		${UNIXOBJS} ${NLSOBJS} ${THREADOBJS}
+
+# Alphabetically
+APISRCS =	app_api.c mem_api.c socket_api.c \
+		task_api.c timer_api.c
+
+ISCDRIVERSRCS =	mem.c task.c lib.c timer.c heap.c
+
+SRCS =		@ISC_EXTRA_SRCS@ \
+		assertions.c backtrace.c backtrace-emptytbl.c base32.c \
+		base64.c buffer.c bufferlist.c \
+		error.c event.c \
+		hash.c hex.c hmacmd5.c hmacsha.c \
+		inet_aton.c iterated_hash.c lex.c log.c lfsr.c \
+		md5.c mutexblock.c \
+		netaddr.c netscope.c \
+		ondestroy.c \
+		parseint.c portset.c radix.c \
+		random.c refcount.c region.c result.c rwlock.c \
+		serial.c sha1.c sha2.c sockaddr.c stats.c string.c symtab.c \
+		version.c \
+		${APISRCS} ${ISCDRIVERSRCS}
+
+LIBS =		@LIBS@
+
+SUBDIRS =	include unix nls @ISC_THREAD_DIR@
+TARGETS =	timestamp
+
+@BIND9_MAKE_RULES@
+
+version.@O@: ${srcdir}/version.c
+	${LIBTOOL_MODE_COMPILE} ${CC} ${ALL_CFLAGS} \
+		-DVERSION=\"${VERSION}\" \
+		-DLIBINTERFACE=${LIBINTERFACE} \
+		-DLIBREVISION=${LIBREVISION} \
+		-DLIBAGE=${LIBAGE} \
+		-c ${srcdir}/version.c
+
+libisc.@SA@: ${OBJS}
+	${AR} ${ARFLAGS} $@ ${OBJS}
+	${RANLIB} $@
+
+libisc.la: ${OBJS}
+	${LIBTOOL_MODE_LINK} \
+		${CC} ${ALL_CFLAGS} ${LDFLAGS} -o libisc.la \
+		-rpath ${export_libdir} \
+		-version-info ${LIBINTERFACE}:${LIBREVISION}:${LIBAGE} \
+		${OBJS} ${LIBS}
+
+timestamp: libisc.@A@
+	touch timestamp
+
+installdirs:
+	$(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${export_libdir}
+
+install:: timestamp installdirs
+	${LIBTOOL_MODE_INSTALL} ${INSTALL_DATA} libisc.@A@ \
+	${DESTDIR}${export_libdir}
+
+clean distclean::
+	rm -f libisc.@A@ libisc.la timestamp
diff --git a/lib/export/isc/include/Makefile.in b/lib/export/isc/include/Makefile.in
new file mode 100644
index 0000000..f89628b
--- /dev/null
+++ b/lib/export/isc/include/Makefile.in
@@ -0,0 +1,24 @@
+# Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile.in,v 1.2 2009-09-01 00:22:27 jinmei Exp $
+
+srcdir =	@srdir@
+top_srcdir =	@top_srcdir@
+
+
+SUBDIRS =	isc
+TARGETS =
+
+@BIND9_MAKE_RULES@
diff --git a/lib/export/isc/include/isc/Makefile.in b/lib/export/isc/include/isc/Makefile.in
new file mode 100644
index 0000000..0336ba2
--- /dev/null
+++ b/lib/export/isc/include/isc/Makefile.in
@@ -0,0 +1,66 @@
+# Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile.in,v 1.3 2009-12-05 23:31:41 each Exp $
+
+srcdir =	@srcdir@
+top_srcdir =	@top_srcdir@
+export_srcdir =	@top_srcdir@/lib/export
+
+@BIND9_VERSION@
+
+#
+# Only list headers that are to be installed and are not
+# machine generated.  The latter are handled specially in the
+# install target below.
+#
+HEADERS =	app.h assertions.h base64.h bitstring.h boolean.h \
+		buffer.h bufferlist.h commandline.h entropy.h error.h event.h \
+		eventclass.h file.h formatcheck.h fsaccess.h \
+		hash.h heap.h hex.h hmacmd5.h \
+		httpd.h \
+		interfaceiter.h @ISC_IPV6_H@ iterated_hash.h lang.h lex.h \
+		lfsr.h lib.h list.h log.h \
+		magic.h md5.h mem.h msgcat.h msgs.h \
+		mutexblock.h namespace.h netaddr.h ondestroy.h os.h parseint.h \
+		print.h quota.h radix.h random.h ratelimiter.h \
+		refcount.h region.h resource.h \
+		result.h resultclass.h rwlock.h serial.h sha1.h sha2.h \
+		sockaddr.h socket.h stdio.h stdlib.h string.h \
+		symtab.h \
+	        task.h taskpool.h timer.h types.h util.h version.h \
+		xml.h
+
+SUBDIRS =
+TARGETS =
+
+@BIND9_MAKE_RULES@
+
+installdirs:
+	$(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${export_includedir}/isc
+
+install:: installdirs
+	for i in ${HEADERS}; do \
+		${INSTALL_DATA} ${top_srcdir}/lib/isc/include/isc/$$i \
+		${DESTDIR}${export_includedir}/isc ; \
+	done
+	${INSTALL_DATA} ${top_srcdir}/lib/isc/include/isc/platform.h \
+	${DESTDIR}${export_includedir}/isc
+	${INSTALL_DATA} ${top_srcdir}/lib/isc/@ISC_ARCH_DIR@/include/isc/atomic.h \
+	${DESTDIR}${export_includedir}/isc
+	${INSTALL_DATA} ${export_srcdir}/isc/include/isc/bind9.h \
+	${DESTDIR}${export_includedir}/isc
+
+distclean::
+	rm -f platform.h
diff --git a/lib/export/isc/include/isc/bind9.h b/lib/export/isc/include/isc/bind9.h
new file mode 100644
index 0000000..380ca85
--- /dev/null
+++ b/lib/export/isc/include/isc/bind9.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: bind9.h,v 1.2 2009-12-05 23:31:41 each Exp $ */
+
+#ifndef ISC_BIND9_H
+#define ISC_BIND9_H 1
+
+/*
+ * This determines whether we are building BIND9 or using the exported
+ * libisc/libdns libraries.  The version of this file included in the
+ * standard BIND9 build defines BIND9; the version included with the
+ * exportable libraries does not.
+ */
+#undef BIND9
+
+#endif /* ISC_BIND9_H */
diff --git a/lib/export/isc/nls/Makefile.in b/lib/export/isc/nls/Makefile.in
new file mode 100644
index 0000000..da2513f
--- /dev/null
+++ b/lib/export/isc/nls/Makefile.in
@@ -0,0 +1,35 @@
+# Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile.in,v 1.3 2009-09-02 23:48:02 tbox Exp $
+
+top_srcdir =	@top_srcdir@
+srcdir =	@top_srcdir@/lib/isc/nls
+
+@BIND9_MAKE_INCLUDES@
+
+CINCLUDES =	-I${srcdir}/unix/include \
+		${ISC_INCLUDES}
+
+CDEFINES =
+CWARNINGS =
+
+OBJS =		msgcat.@O@
+
+SRCS =		msgcat.c
+
+SUBDIRS =
+TARGETS =	${OBJS}
+
+@BIND9_MAKE_RULES@
diff --git a/lib/export/isc/nothreads/Makefile.in b/lib/export/isc/nothreads/Makefile.in
new file mode 100644
index 0000000..3bffb4e
--- /dev/null
+++ b/lib/export/isc/nothreads/Makefile.in
@@ -0,0 +1,40 @@
+# Copyright (C) 2009, 2010  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile.in,v 1.5 2010-06-09 23:50:58 tbox Exp $
+
+top_srcdir =	@top_srcdir@
+srcdir =	@top_srcdir@/lib/isc/nothreads
+
+@BIND9_MAKE_INCLUDES@
+
+CINCLUDES =	-I${srcdir}/include \
+		-I${srcdir}/../unix/include \
+		-I../include \
+		-I${srcdir}/../include \
+		-I${srcdir}/..
+
+CDEFINES =
+CWARNINGS =
+
+THREADOPTOBJS = condition.@O@ mutex.@O@
+OBJS =		@THREADOPTOBJS@ thread.@O@
+
+THREADOPTSRCS = condition.c mutex.c
+SRCS =		@THREADOPTSRCS@ thread.c
+
+SUBDIRS =	include
+TARGETS =	${OBJS}
+
+@BIND9_MAKE_RULES@
diff --git a/lib/export/isc/nothreads/include/Makefile.in b/lib/export/isc/nothreads/include/Makefile.in
new file mode 100644
index 0000000..f89628b
--- /dev/null
+++ b/lib/export/isc/nothreads/include/Makefile.in
@@ -0,0 +1,24 @@
+# Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile.in,v 1.2 2009-09-01 00:22:27 jinmei Exp $
+
+srcdir =	@srdir@
+top_srcdir =	@top_srcdir@
+
+
+SUBDIRS =	isc
+TARGETS =
+
+@BIND9_MAKE_RULES@
diff --git a/lib/export/isc/nothreads/include/isc/Makefile.in b/lib/export/isc/nothreads/include/isc/Makefile.in
new file mode 100644
index 0000000..423f10a
--- /dev/null
+++ b/lib/export/isc/nothreads/include/isc/Makefile.in
@@ -0,0 +1,36 @@
+# Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile.in,v 1.2 2009-09-01 00:22:27 jinmei Exp $
+
+srcdir =	@srcdir@
+top_srcdir =	@top_srcdir@
+
+@BIND9_VERSION@
+
+HEADERS =	condition.h mutex.h once.h thread.h
+
+SUBDIRS =
+TARGETS =
+
+@BIND9_MAKE_RULES@
+
+installdirs:
+	$(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${export_includedir}/isc
+
+install:: installdirs
+	for i in ${HEADERS}; do \
+		${INSTALL_DATA} $(top_srcdir)/lib/isc/nothreads/include/isc/$$i \
+		${DESTDIR}${export_includedir}/isc ; \
+	done
diff --git a/lib/export/isc/pthreads/Makefile.in b/lib/export/isc/pthreads/Makefile.in
new file mode 100644
index 0000000..5fac018
--- /dev/null
+++ b/lib/export/isc/pthreads/Makefile.in
@@ -0,0 +1,38 @@
+# Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile.in,v 1.3 2009-09-02 23:48:02 tbox Exp $
+
+top_srcdir =	@top_srcdir@
+srcdir =	@top_srcdir@/lib/isc/pthreads
+
+@BIND9_MAKE_INCLUDES@
+
+CINCLUDES =	-I${srcdir}/include \
+		-I${srcdir}/../unix/include \
+		-I../include \
+		-I${srcdir}/../include \
+		-I${srcdir}/..
+
+CDEFINES =
+CWARNINGS =
+
+OBJS =		condition.@O@ mutex.@O@ thread.@O@
+
+SRCS =		condition.c mutex.c thread.c
+
+SUBDIRS =	include
+TARGETS =	${OBJS}
+
+@BIND9_MAKE_RULES@
diff --git a/lib/export/isc/pthreads/include/Makefile.in b/lib/export/isc/pthreads/include/Makefile.in
new file mode 100644
index 0000000..f89628b
--- /dev/null
+++ b/lib/export/isc/pthreads/include/Makefile.in
@@ -0,0 +1,24 @@
+# Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile.in,v 1.2 2009-09-01 00:22:27 jinmei Exp $
+
+srcdir =	@srdir@
+top_srcdir =	@top_srcdir@
+
+
+SUBDIRS =	isc
+TARGETS =
+
+@BIND9_MAKE_RULES@
diff --git a/lib/export/isc/pthreads/include/isc/Makefile.in b/lib/export/isc/pthreads/include/isc/Makefile.in
new file mode 100644
index 0000000..807de94
--- /dev/null
+++ b/lib/export/isc/pthreads/include/isc/Makefile.in
@@ -0,0 +1,36 @@
+# Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile.in,v 1.2 2009-09-01 00:22:27 jinmei Exp $
+
+srcdir =	@srcdir@
+top_srcdir =	@top_srcdir@
+
+@BIND9_VERSION@
+
+HEADERS =	condition.h mutex.h once.h thread.h
+
+SUBDIRS =
+TARGETS =
+
+@BIND9_MAKE_RULES@
+
+installdirs:
+	$(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${export_includedir}/isc
+
+install:: installdirs
+	for i in ${HEADERS}; do \
+		${INSTALL_DATA} $(top_srcdir)/lib/isc/pthreads/include/isc/$$i \
+		${DESTDIR}${export_includedir}/isc ; \
+	done
diff --git a/lib/export/isc/unix/Makefile.in b/lib/export/isc/unix/Makefile.in
new file mode 100644
index 0000000..81746a4
--- /dev/null
+++ b/lib/export/isc/unix/Makefile.in
@@ -0,0 +1,57 @@
+# Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile.in,v 1.3 2009-09-02 23:48:02 tbox Exp $
+
+top_srcdir =	@top_srcdir@
+srcdir =	@top_srcdir@/lib/isc/unix
+
+@BIND9_MAKE_INCLUDES@
+
+CINCLUDES =	-I${srcdir}/include \
+		-I${srcdir}/../@ISC_THREAD_DIR@/include \
+		-I../include \
+		-I${srcdir}/../include \
+		-I${srcdir}/..
+
+CDEFINES =	-DUSE_SOCKETIMPREGISTER -DUSE_APPIMPREGISTER
+
+CWARNINGS =
+
+# Alphabetically
+ISCDRIVEROBJS =	app.@O@ socket.@O@
+
+OBJS =		@ISC_IPV6_O@ \
+		dir.@O@ \
+		errno2result.@O@ \
+		file.@O@ fsaccess.@O@ \
+		stdio.@O@ stdtime.@O@ strerror.@O@ \
+		time.@O@ \
+		${ISCDRIVEROBJS}
+
+# Alphabetically
+ISCDRIVERSRCS =	app.c socket.c
+
+SRCS =		@ISC_IPV6_C@ \
+		dir.c \
+		errno2result.c \
+		file.c fsaccess.c \
+		stdio.c stdtime.c strerror.c \
+		time.c \
+		${ISCDRIVERSRCS}
+
+SUBDIRS =	include
+TARGETS =	${OBJS}
+
+@BIND9_MAKE_RULES@
diff --git a/lib/export/isc/unix/include/Makefile.in b/lib/export/isc/unix/include/Makefile.in
new file mode 100644
index 0000000..f89628b
--- /dev/null
+++ b/lib/export/isc/unix/include/Makefile.in
@@ -0,0 +1,24 @@
+# Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile.in,v 1.2 2009-09-01 00:22:27 jinmei Exp $
+
+srcdir =	@srdir@
+top_srcdir =	@top_srcdir@
+
+
+SUBDIRS =	isc
+TARGETS =
+
+@BIND9_MAKE_RULES@
diff --git a/lib/export/isc/unix/include/isc/Makefile.in b/lib/export/isc/unix/include/isc/Makefile.in
new file mode 100644
index 0000000..21ce049
--- /dev/null
+++ b/lib/export/isc/unix/include/isc/Makefile.in
@@ -0,0 +1,37 @@
+# Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile.in,v 1.2 2009-09-01 00:22:27 jinmei Exp $
+
+srcdir =	@srcdir@
+top_srcdir =	@top_srcdir@
+
+@BIND9_VERSION@
+
+HEADERS =	dir.h int.h net.h netdb.h offset.h stdtime.h \
+		syslog.h time.h
+
+SUBDIRS =
+TARGETS =
+
+@BIND9_MAKE_RULES@
+
+installdirs:
+	$(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${export_includedir}/isc
+
+install:: installdirs
+	for i in ${HEADERS}; do \
+		${INSTALL_DATA} $(top_srcdir)/lib/isc/unix/include/isc/$$i \
+		${DESTDIR}${export_includedir}/isc ; \
+	done
diff --git a/lib/export/isccfg/Makefile.in b/lib/export/isccfg/Makefile.in
new file mode 100644
index 0000000..ed2b2cf
--- /dev/null
+++ b/lib/export/isccfg/Makefile.in
@@ -0,0 +1,83 @@
+# Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile.in,v 1.4 2009-12-05 23:31:41 each Exp $
+
+top_srcdir =	@top_srcdir@
+srcdir =	@top_srcdir@/lib/isccfg
+export_srcdir =	@top_srcdir@/lib/export
+
+@BIND9_VERSION@
+
+@LIBISCCFG_API@
+
+@BIND9_MAKE_INCLUDES@
+
+CINCLUDES =	-I. ${DNS_INCLUDES} -I${export_srcdir}/isc/include \
+		${ISC_INCLUDES} ${ISCCFG_INCLUDES}
+
+CDEFINES =
+CWARNINGS =
+
+ISCLIBS =	../isc/libisc.@A@
+DNSLIBS =	../dns/libdns.@A@
+
+ISCDEPLIBS =	../../lib/isc/libisc.@A@
+ISCCFGDEPLIBS =	libisccfg.@A@
+
+LIBS =		@LIBS@
+
+SUBDIRS =	include
+
+# Alphabetically
+OBJS =		dnsconf.@O@ log.@O@ parser.@O@ version.@O@
+
+# Alphabetically
+SRCS =		dnsconf.c log.c parser.c version.c
+
+TARGETS = 	timestamp
+
+@BIND9_MAKE_RULES@
+
+version.@O@: ${srcdir}/version.c
+	${LIBTOOL_MODE_COMPILE} ${CC} ${ALL_CFLAGS} \
+		-DVERSION=\"${VERSION}\" \
+		-DLIBINTERFACE=${LIBINTERFACE} \
+		-DLIBREVISION=${LIBREVISION} \
+		-DLIBAGE=${LIBAGE} \
+		-c ${srcdir}/version.c
+
+libisccfg.@SA@: ${OBJS}
+	${AR} ${ARFLAGS} $@ ${OBJS}
+	${RANLIB} $@
+
+libisccfg.la: ${OBJS}
+	 ${LIBTOOL_MODE_LINK} \
+		${CC} ${ALL_CFLAGS} ${LDFLAGS} -o libisccfg.la \
+		-rpath ${export_libdir} \
+		-version-info ${LIBINTERFACE}:${LIBREVISION}:${LIBAGE} \
+		${OBJS} ${LIBS} ${DNSLIBS} ${ISCLIBS}
+
+timestamp: libisccfg.@A@
+	touch timestamp
+
+installdirs:
+	$(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${export_libdir}
+
+install:: timestamp installdirs
+	${LIBTOOL_MODE_INSTALL} ${INSTALL_DATA} libisccfg.@A@ \
+	${DESTDIR}${export_libdir}
+
+clean distclean::
+	rm -f libisccfg.@A@ timestamp
diff --git a/lib/export/isccfg/include/Makefile.in b/lib/export/isccfg/include/Makefile.in
new file mode 100644
index 0000000..896c467
--- /dev/null
+++ b/lib/export/isccfg/include/Makefile.in
@@ -0,0 +1,24 @@
+# Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile.in,v 1.2 2009-09-01 00:22:27 jinmei Exp $
+
+srcdir =	@srdir@
+top_srcdir =	@top_srcdir@
+
+
+SUBDIRS =	isccfg
+TARGETS =
+
+@BIND9_MAKE_RULES@
diff --git a/lib/export/isccfg/include/isccfg/Makefile.in b/lib/export/isccfg/include/isccfg/Makefile.in
new file mode 100644
index 0000000..3f97894
--- /dev/null
+++ b/lib/export/isccfg/include/isccfg/Makefile.in
@@ -0,0 +1,42 @@
+# Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile.in,v 1.3 2009-09-02 23:48:02 tbox Exp $
+
+srcdir =	@srcdir@
+top_srcdir =	@top_srcdir@
+
+@BIND9_VERSION@
+
+#
+# Only list headers that are to be installed and are not
+# machine generated.  The latter are handled specially in the
+# install target below.
+#
+HEADERS =	cfg.h grammar.h log.h dnsconf.h version.h
+
+SUBDIRS =
+TARGETS =
+
+@BIND9_MAKE_RULES@
+
+installdirs:
+	$(SHELL) ${top_srcdir}/mkinstalldirs \
+	${DESTDIR}${export_includedir}/isccfg
+
+install:: installdirs
+	for i in ${HEADERS}; do \
+		${INSTALL_DATA} ${top_srcdir}/lib/isccfg/include/isccfg/$$i \
+		${DESTDIR}${export_includedir}/isccfg ; \
+	done
diff --git a/lib/export/samples/Makefile-postinstall.in b/lib/export/samples/Makefile-postinstall.in
new file mode 100644
index 0000000..10a26f4
--- /dev/null
+++ b/lib/export/samples/Makefile-postinstall.in
@@ -0,0 +1,78 @@
+# Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile-postinstall.in,v 1.3 2009-09-02 23:48:02 tbox Exp $
+
+srcdir =	@srcdir@
+#prefix =	@prefix@
+#exec_prefix =	@exec_prefix@
+
+CDEFINES =
+CWARNINGS =
+
+DNSLIBS =	-ldns @DNS_CRYPTO_LIBS@
+ISCLIBS =	-lisc
+ISCCFGLIBS =	-lisccfg
+IRSLIBS =	-lirs
+
+LIBS =		${DNSLIBS} ${ISCCFGLIBS} ${ISCLIBS} @LIBS@
+
+SUBDIRS =
+
+TARGETS =	sample@EXEEXT@ sample-async@EXEEXT@ sample-gai@EXEEXT@ \
+		sample-update@EXEEXT@ sample-request@EXEEXT@ nsprobe@EXEEXT@ \
+		dlvchecks@EXEEXT@
+
+OBJS =		sample.@O@ sample-async.@O@ sample-gai.@O@ sample-update.@O@ \
+		sample-request.@O@ nsprobe.@O@ dlvchecks.@O@
+
+SRCS =		sample.c sample-async.c sample-gai.c sample-update.c \
+		sample-request.c nsprobe.c dlvchecks..c
+
+@BIND9_MAKE_RULES@
+
+# The following two may depend on BIND9_MAKE_RULES
+CINCLUDES =	-I@export_includedir@
+LDFLAGS =	-L@export_libdir@
+
+sample@EXEEXT@: sample.@O@ ${DEPLIBS}
+	${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ \
+	sample.@O@ ${LIBS}
+
+sample-async@EXEEXT@: sample-async.@O@ ${DEPLIBS}
+	${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ \
+	sample-async.@O@ ${LIBS}
+
+sample-gai@EXEEXT@: sample-gai.@O@ ${IRSDEPLIBS} ${DEPLIBS}
+	${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ \
+	sample-gai.@O@ ${IRSLIBS} ${LIBS}
+
+sample-update@EXEEXT@: sample-update.@O@ ${DEPLIBS}
+	${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ \
+	sample-update.@O@ ${LIBS}
+
+sample-request@EXEEXT@: sample-request.@O@ ${DEPLIBS}
+	${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ \
+	sample-request.@O@ ${LIBS}
+
+nsprobe@EXEEXT@: nsprobe.@O@ ${DEPLIBS}
+	${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ \
+	nsprobe.@O@ ${LIBS}
+
+dlvchecks@EXEEXT@: dlvchecks.@O@ ${DEPLIBS}
+	${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ \
+	dlvchecks.@O@ ${LIBS}
+
+clean distclean maintainer-clean::
+	rm -f ${TARGETS}
diff --git a/lib/export/samples/Makefile.in b/lib/export/samples/Makefile.in
new file mode 100644
index 0000000..ff8e916
--- /dev/null
+++ b/lib/export/samples/Makefile.in
@@ -0,0 +1,98 @@
+# Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile.in,v 1.4 2009-12-05 23:31:41 each Exp $
+
+srcdir =	@srcdir@
+top_srcdir =	@top_srcdir@
+export_srcdir =	@top_srcdir@/lib/export
+
+@BIND9_VERSION@
+
+@BIND9_MAKE_INCLUDES@
+
+CINCLUDES =	-I${srcdir}/include -I../dns/include \
+		-I${export_srcdir}/isc/include \
+		${DNS_INCLUDES} ${ISC_INCLUDES} \
+		-I${top_srcdir}/lib/irs/include
+
+CDEFINES =
+CWARNINGS =
+
+DNSLIBS =	../dns/libdns.@A@ @DNS_CRYPTO_LIBS@
+ISCLIBS =	../isc/libisc.@A@
+ISCCFGLIBS =	../isccfg/libisccfg.@A@
+IRSLIBS =	../irs/libirs.@A@
+
+DNSDEPLIBS =	../dns/libdns.@A@
+ISCDEPLIBS =	../isc/libisc.@A@
+ISCCFGDEPLIBS =	../isccfg/libisccfg.@A@
+IRSDEPLIBS =	../irs/libirs.@A@
+
+DEPLIBS =	${DNSDEPLIBS} ${ISCCFGDEPLIBS} ${ISCDEPLIBS}
+
+LIBS =		${DNSLIBS} ${ISCCFGLIBS} ${ISCLIBS} @LIBS@
+
+SUBDIRS =
+
+TARGETS =	sample@EXEEXT@ sample-async@EXEEXT@ sample-gai@EXEEXT@ \
+		sample-update@EXEEXT@ sample-request@EXEEXT@ nsprobe@EXEEXT@
+
+OBJS =		sample.@O@ sample-async.@O@ sample-gai.@O@ sample-update.@O@ \
+		sample-request.@O@ nsprobe.@O@
+
+UOBJS =
+
+SRCS =		sample.c sample-async.c sample-gai.c sample-update.c \
+		sample-request.c nsprobe.c
+
+MANPAGES =
+
+HTMLPAGES =
+
+MANOBJS =	${MANPAGES} ${HTMLPAGES}
+
+@BIND9_MAKE_RULES@
+
+sample@EXEEXT@: sample.@O@ ${DEPLIBS}
+	${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ \
+	sample.@O@ ${LIBS}
+
+sample-async@EXEEXT@: sample-async.@O@ ${DEPLIBS}
+	${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ \
+	sample-async.@O@ ${LIBS}
+
+sample-gai@EXEEXT@: sample-gai.@O@ ${IRSDEPLIBS} ${DEPLIBS}
+	${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ \
+	sample-gai.@O@ ${IRSLIBS} ${LIBS}
+
+sample-update@EXEEXT@: sample-update.@O@ ${DEPLIBS}
+	${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ \
+	sample-update.@O@ ${LIBS}
+
+sample-request@EXEEXT@: sample-request.@O@ ${DEPLIBS}
+	${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ \
+	sample-request.@O@ ${LIBS}
+
+nsprobe@EXEEXT@: nsprobe.@O@ ${DEPLIBS}
+	${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ \
+	nsprobe.@O@ ${LIBS}
+
+doc man:: ${MANOBJS}
+
+docclean manclean maintainer-clean::
+	rm -f ${MANOBJS}
+
+clean distclean maintainer-clean::
+	rm -f ${TARGETS}
diff --git a/lib/export/samples/nsprobe.c b/lib/export/samples/nsprobe.c
new file mode 100644
index 0000000..85c572d
--- /dev/null
+++ b/lib/export/samples/nsprobe.c
@@ -0,0 +1,1220 @@
+/*
+ * Copyright (C) 2009, 2010  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: nsprobe.c,v 1.7 2010-01-07 23:48:54 tbox Exp $ */
+
+#include 
+
+#include 
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#define MAX_PROBES 1000
+
+static dns_client_t *client = NULL;
+static isc_task_t *probe_task = NULL;
+static isc_appctx_t *actx = NULL;
+static isc_mem_t *mctx = NULL;
+static unsigned int outstanding_probes = 0;
+const char *cacheserver = "127.0.0.1";
+static FILE *fp;
+
+typedef enum {
+	none,
+	exist,
+	nxdomain,
+	othererr,
+	multiplesoa,
+	multiplecname,
+	brokenanswer,
+	lame,
+	timedout,
+	notype,
+	unexpected
+} query_result_t;
+
+struct server {
+	ISC_LINK(struct server) link;
+
+	isc_sockaddr_t address;
+	query_result_t result_a;
+	query_result_t result_aaaa;
+};
+
+struct probe_ns {
+	ISC_LINK(struct probe_ns) link;
+
+	dns_fixedname_t fixedname;
+	dns_name_t *name;
+	struct server *current_server;
+	ISC_LIST(struct server) servers;
+};
+
+struct probe_trans {
+	isc_boolean_t inuse;
+	char *domain;
+	dns_fixedname_t fixedname;
+	dns_name_t *qname;
+	const char **qlabel;
+	isc_boolean_t qname_found;
+	dns_clientrestrans_t *resid;
+	dns_message_t *qmessage;
+	dns_message_t *rmessage;
+	dns_clientreqtrans_t *reqid;
+
+	/* NS list */
+	struct probe_ns *current_ns;
+	ISC_LIST(struct probe_ns) nslist;
+};
+
+struct lcl_stat {
+	unsigned long valid;
+	unsigned long ignore;
+	unsigned long nxdomain;
+	unsigned long othererr;
+	unsigned long multiplesoa;
+	unsigned long multiplecname;
+	unsigned long brokenanswer;
+	unsigned long lame;
+	unsigned long unknown;
+} server_stat, domain_stat;
+
+static unsigned long number_of_domains = 0;
+static unsigned long number_of_servers = 0;
+static unsigned long multiple_error_domains = 0;
+static isc_boolean_t debug_mode = ISC_FALSE;
+static int verbose_level = 0;
+static const char *qlabels[] = {"www.", "ftp.", NULL};
+static struct probe_trans probes[MAX_PROBES];
+
+static isc_result_t probe_domain(struct probe_trans *trans);
+static void reset_probe(struct probe_trans *trans);
+static isc_result_t fetch_nsaddress(struct probe_trans *trans);
+static isc_result_t probe_name(struct probe_trans *trans,
+			       dns_rdatatype_t type);
+
+/* Dump an rdataset for debug */
+static isc_result_t
+print_rdataset(dns_rdataset_t *rdataset, dns_name_t *owner) {
+	isc_buffer_t target;
+	isc_result_t result;
+	isc_region_t r;
+	char t[4096];
+
+	if (!debug_mode)
+		return (ISC_R_SUCCESS);
+
+	isc_buffer_init(&target, t, sizeof(t));
+
+	if (!dns_rdataset_isassociated(rdataset))
+		return (ISC_R_SUCCESS);
+	result = dns_rdataset_totext(rdataset, owner, ISC_FALSE, ISC_FALSE,
+				     &target);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+	isc_buffer_usedregion(&target, &r);
+	printf("%.*s", (int)r.length, (char *)r.base);
+
+	return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+print_name(dns_name_t *name) {
+	isc_result_t result;
+	isc_buffer_t target;
+	isc_region_t r;
+	char t[4096];
+
+	isc_buffer_init(&target, t, sizeof(t));
+	result = dns_name_totext(name, ISC_TRUE, &target);
+	if (result == ISC_R_SUCCESS) {
+		isc_buffer_usedregion(&target, &r);
+		printf("%.*s", (int)r.length, (char *)r.base);
+	} else
+		printf("(invalid name)");
+
+	return (result);
+}
+
+static isc_result_t
+print_address(FILE *fp, isc_sockaddr_t *addr) {
+	char buf[NI_MAXHOST];
+
+	if (getnameinfo(&addr->type.sa, addr->length, buf, sizeof(buf),
+			NULL, 0, NI_NUMERICHOST) == 0) {
+		fprintf(fp, "%s", buf);
+	} else {
+		fprintf(fp, "(invalid address)");
+	}
+
+	return (ISC_R_SUCCESS);
+}
+
+static void
+ctxs_destroy(isc_mem_t **mctxp, isc_appctx_t **actxp,
+	     isc_taskmgr_t **taskmgrp, isc_socketmgr_t **socketmgrp,
+	     isc_timermgr_t **timermgrp)
+{
+	if (*taskmgrp != NULL)
+		isc_taskmgr_destroy(taskmgrp);
+
+	if (*timermgrp != NULL)
+		isc_timermgr_destroy(timermgrp);
+
+	if (*socketmgrp != NULL)
+		isc_socketmgr_destroy(socketmgrp);
+
+	if (*actxp != NULL)
+		isc_appctx_destroy(actxp);
+
+	if (*mctxp != NULL)
+		isc_mem_destroy(mctxp);
+}
+
+static isc_result_t
+ctxs_init(isc_mem_t **mctxp, isc_appctx_t **actxp,
+	  isc_taskmgr_t **taskmgrp, isc_socketmgr_t **socketmgrp,
+	  isc_timermgr_t **timermgrp)
+{
+	isc_result_t result;
+
+	result = isc_mem_create(0, 0, mctxp);
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+
+	result = isc_appctx_create(*mctxp, actxp);
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+
+	result = isc_taskmgr_createinctx(*mctxp, *actxp, 1, 0, taskmgrp);
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+
+	result = isc_socketmgr_createinctx(*mctxp, *actxp, socketmgrp);
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+
+	result = isc_timermgr_createinctx(*mctxp, *actxp, timermgrp);
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+
+	return (ISC_R_SUCCESS);
+
+ fail:
+	ctxs_destroy(mctxp, actxp, taskmgrp, socketmgrp, timermgrp);
+
+	return (result);
+}
+
+/*
+ * Common routine to make query data
+ */
+static isc_result_t
+make_querymessage(dns_message_t *message, dns_name_t *qname0,
+		  dns_rdatatype_t rdtype)
+{
+	dns_name_t *qname = NULL;
+	dns_rdataset_t *qrdataset = NULL;
+	isc_result_t result;
+
+	message->opcode = dns_opcode_query;
+	message->rdclass = dns_rdataclass_in;
+
+	result = dns_message_gettempname(message, &qname);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+
+	result = dns_message_gettemprdataset(message, &qrdataset);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+
+	dns_name_init(qname, NULL);
+	dns_name_clone(qname0, qname);
+	dns_rdataset_init(qrdataset);
+	dns_rdataset_makequestion(qrdataset, message->rdclass, rdtype);
+	ISC_LIST_APPEND(qname->list, qrdataset, link);
+	dns_message_addname(message, qname, DNS_SECTION_QUESTION);
+
+	return (ISC_R_SUCCESS);
+
+ cleanup:
+	if (qname != NULL)
+		dns_message_puttempname(message, &qname);
+	if (qrdataset != NULL)
+		dns_message_puttemprdataset(message, &qrdataset);
+	if (message != NULL)
+		dns_message_destroy(&message);
+	return (result);
+}
+
+/*
+ * Update statistics
+ */
+static inline void
+increment_entry(unsigned long *entryp) {
+	(*entryp)++;
+	INSIST(*entryp != 0);	/* check overflow */
+}
+
+static void
+update_stat(struct probe_trans *trans) {
+	struct probe_ns *pns;
+	struct server *server;
+	struct lcl_stat local_stat;
+	unsigned int err_count = 0;
+	const char *stattype;
+
+	increment_entry(&number_of_domains);
+	memset(&local_stat, 0, sizeof(local_stat));
+
+	/* Update per sever statistics */
+	for (pns = ISC_LIST_HEAD(trans->nslist); pns != NULL;
+	     pns = ISC_LIST_NEXT(pns, link)) {
+		for (server = ISC_LIST_HEAD(pns->servers); server != NULL;
+		     server = ISC_LIST_NEXT(server, link)) {
+			increment_entry(&number_of_servers);
+
+			if (server->result_aaaa == exist ||
+			    server->result_aaaa == notype) {
+				/*
+				 * Don't care about the result of A query if
+				 * the answer to AAAA query was expected.
+				 */
+				stattype = "valid";
+				increment_entry(&server_stat.valid);
+				increment_entry(&local_stat.valid);
+			} else if (server->result_a == exist) {
+				switch (server->result_aaaa) {
+				case exist:
+				case notype:
+					stattype = "valid";
+					increment_entry(&server_stat.valid);
+					increment_entry(&local_stat.valid);
+					break;
+				case timedout:
+					stattype = "ignore";
+					increment_entry(&server_stat.ignore);
+					increment_entry(&local_stat.ignore);
+					break;
+				case nxdomain:
+					stattype = "nxdomain";
+					increment_entry(&server_stat.nxdomain);
+					increment_entry(&local_stat.nxdomain);
+					break;
+				case othererr:
+					stattype = "othererr";
+					increment_entry(&server_stat.othererr);
+					increment_entry(&local_stat.othererr);
+					break;
+				case multiplesoa:
+					stattype = "multiplesoa";
+					increment_entry(&server_stat.multiplesoa);
+					increment_entry(&local_stat.multiplesoa);
+					break;
+				case multiplecname:
+					stattype = "multiplecname";
+					increment_entry(&server_stat.multiplecname);
+					increment_entry(&local_stat.multiplecname);
+					break;
+				case brokenanswer:
+					stattype = "brokenanswer";
+					increment_entry(&server_stat.brokenanswer);
+					increment_entry(&local_stat.brokenanswer);
+					break;
+				case lame:
+					stattype = "lame";
+					increment_entry(&server_stat.lame);
+					increment_entry(&local_stat.lame);
+					break;
+				default:
+					stattype = "unknown";
+					increment_entry(&server_stat.unknown);
+					increment_entry(&local_stat.unknown);
+					break;
+				}
+			} else {
+				stattype = "unknown";
+				increment_entry(&server_stat.unknown);
+				increment_entry(&local_stat.unknown);
+			}
+
+			if (verbose_level > 1 ||
+			    (verbose_level == 1 &&
+			     strcmp(stattype, "valid") != 0 &&
+			     strcmp(stattype, "unknown") != 0)) {
+				print_name(pns->name);
+				putchar('(');
+				print_address(stdout, &server->address);
+				printf(") for %s:%s\n", trans->domain,
+				       stattype);
+			}
+		}
+	}
+
+	/* Update per domain statistics */
+	if (local_stat.ignore > 0) {
+		if (verbose_level > 0)
+			printf("%s:ignore\n", trans->domain);
+		increment_entry(&domain_stat.ignore);
+		err_count++;
+	}
+	if (local_stat.nxdomain > 0) {
+		if (verbose_level > 0)
+			printf("%s:nxdomain\n", trans->domain);
+		increment_entry(&domain_stat.nxdomain);
+		err_count++;
+	}
+	if (local_stat.othererr > 0) {
+		if (verbose_level > 0)
+			printf("%s:othererr\n", trans->domain);
+		increment_entry(&domain_stat.othererr);
+		err_count++;
+	}
+	if (local_stat.multiplesoa > 0) {
+		if (verbose_level > 0)
+			printf("%s:multiplesoa\n", trans->domain);
+		increment_entry(&domain_stat.multiplesoa);
+		err_count++;
+	}
+	if (local_stat.multiplecname > 0) {
+		if (verbose_level > 0)
+			printf("%s:multiplecname\n", trans->domain);
+		increment_entry(&domain_stat.multiplecname);
+		err_count++;
+	}
+	if (local_stat.brokenanswer > 0) {
+		if (verbose_level > 0)
+			printf("%s:brokenanswer\n", trans->domain);
+		increment_entry(&domain_stat.brokenanswer);
+		err_count++;
+	}
+	if (local_stat.lame > 0) {
+		if (verbose_level > 0)
+			printf("%s:lame\n", trans->domain);
+		increment_entry(&domain_stat.lame);
+		err_count++;
+	}
+
+	if (err_count > 1)
+		increment_entry(&multiple_error_domains);
+
+	/*
+	 * We regard the domain as valid if and only if no authoritative server
+	 * has a problem and at least one server is known to be valid.
+	 */
+	if (local_stat.valid > 0 && err_count == 0) {
+		if (verbose_level > 1)
+			printf("%s:valid\n", trans->domain);
+		increment_entry(&domain_stat.valid);
+	}
+
+	/*
+	 * If the domain has no available server or all servers have the
+	 * 'unknown' result, the domain's result is also regarded as unknown.
+	 */
+	if (local_stat.valid == 0 && err_count == 0) {
+		if (verbose_level > 1)
+			printf("%s:unknown\n", trans->domain);
+		increment_entry(&domain_stat.unknown);
+	}
+}
+
+/*
+ * Search for an existent name with an A RR
+ */
+
+static isc_result_t
+set_nextqname(struct probe_trans *trans) {
+	isc_result_t result;
+	size_t domainlen;
+	isc_buffer_t b;
+	char buf[4096];	/* XXX ad-hoc constant, but should be enough */
+
+	if (*trans->qlabel == NULL)
+		return (ISC_R_NOMORE);
+
+	result = isc_string_copy(buf, sizeof(buf), *trans->qlabel);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+	result = isc_string_append(buf, sizeof(buf), trans->domain);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+
+	domainlen = strlen(buf);
+	isc_buffer_init(&b, buf, domainlen);
+	isc_buffer_add(&b, domainlen);
+	dns_fixedname_init(&trans->fixedname);
+	trans->qname = dns_fixedname_name(&trans->fixedname);
+	result = dns_name_fromtext(trans->qname, &b, dns_rootname,
+				   0, NULL);
+
+	trans->qlabel++;
+
+	return (result);
+}
+
+static void
+request_done(isc_task_t *task, isc_event_t *event) {
+	struct probe_trans *trans = event->ev_arg;
+	dns_clientreqevent_t *rev = (dns_clientreqevent_t *)event;
+	dns_message_t *rmessage;
+	struct probe_ns *pns;
+	struct server *server;
+	isc_result_t result;
+	query_result_t *resultp;
+	dns_name_t *name;
+	dns_rdataset_t *rdataset;
+	dns_rdatatype_t type;
+
+	REQUIRE(task == probe_task);
+	REQUIRE(trans != NULL && trans->inuse == ISC_TRUE);
+	rmessage = rev->rmessage;
+	REQUIRE(rmessage == trans->rmessage);
+	INSIST(outstanding_probes > 0);
+
+	server = trans->current_ns->current_server;
+	INSIST(server != NULL);
+
+	if (server->result_a == none) {
+		type = dns_rdatatype_a;
+		resultp = &server->result_a;
+	} else {
+		resultp = &server->result_aaaa;
+		type = dns_rdatatype_aaaa;
+	}
+
+	if (rev->result == ISC_R_SUCCESS) {
+		if ((rmessage->flags & DNS_MESSAGEFLAG_AA) == 0)
+			*resultp = lame;
+		else if (rmessage->rcode == dns_rcode_nxdomain)
+			*resultp = nxdomain;
+		else if (rmessage->rcode != dns_rcode_noerror)
+			*resultp = othererr;
+		else if (rmessage->counts[DNS_SECTION_ANSWER] == 0) {
+			/* no error but empty answer */
+			*resultp = notype;
+		} else {
+			result = dns_message_firstname(rmessage,
+						       DNS_SECTION_ANSWER);
+			while (result == ISC_R_SUCCESS) {
+				name = NULL;
+				dns_message_currentname(rmessage,
+							DNS_SECTION_ANSWER,
+							&name);
+				for (rdataset = ISC_LIST_HEAD(name->list);
+				     rdataset != NULL;
+				     rdataset = ISC_LIST_NEXT(rdataset,
+							      link)) {
+					(void)print_rdataset(rdataset, name);
+
+					if (rdataset->type ==
+					    dns_rdatatype_cname ||
+					    rdataset->type ==
+					    dns_rdatatype_dname) {
+						/* Should chase the chain? */
+						*resultp = exist;
+						goto found;
+					} else if (rdataset->type == type) {
+						*resultp = exist;
+						goto found;
+					}
+				}
+				result = dns_message_nextname(rmessage,
+							      DNS_SECTION_ANSWER);
+			}
+
+			/*
+			 * Something unexpected happened: the response
+			 * contained a non-empty authoritative answer, but we
+			 * could not find an expected result.
+			 */
+			*resultp = unexpected;
+		}
+	} else if (rev->result == DNS_R_RECOVERABLE ||
+		   rev->result == DNS_R_BADLABELTYPE) {
+		/* Broken response.  Try identifying known cases. */
+		*resultp = brokenanswer;
+
+		if (rmessage->counts[DNS_SECTION_ANSWER] > 0) {
+			result = dns_message_firstname(rmessage,
+						       DNS_SECTION_ANSWER);
+			while (result == ISC_R_SUCCESS) {
+				/*
+				 * Check to see if the response has multiple
+				 * CNAME RRs.  Update the result code if so.
+				 */
+				name = NULL;
+				dns_message_currentname(rmessage,
+							DNS_SECTION_ANSWER,
+							&name);
+				for (rdataset = ISC_LIST_HEAD(name->list);
+				     rdataset != NULL;
+				     rdataset = ISC_LIST_NEXT(rdataset,
+							      link)) {
+					if (rdataset->type ==
+					    dns_rdatatype_cname &&
+					    dns_rdataset_count(rdataset) > 1) {
+						*resultp = multiplecname;
+						goto found;
+					}
+				}
+				result = dns_message_nextname(rmessage,
+							      DNS_SECTION_ANSWER);
+			}
+		}
+
+		if (rmessage->counts[DNS_SECTION_AUTHORITY] > 0) {
+			result = dns_message_firstname(rmessage,
+						       DNS_SECTION_AUTHORITY);
+			while (result == ISC_R_SUCCESS) {
+				/*
+				 * Check to see if the response has multiple
+				 * SOA RRs.  Update the result code if so.
+				 */
+				name = NULL;
+				dns_message_currentname(rmessage,
+							DNS_SECTION_AUTHORITY,
+							&name);
+				for (rdataset = ISC_LIST_HEAD(name->list);
+				     rdataset != NULL;
+				     rdataset = ISC_LIST_NEXT(rdataset,
+							      link)) {
+					if (rdataset->type ==
+					    dns_rdatatype_soa &&
+					    dns_rdataset_count(rdataset) > 1) {
+						*resultp = multiplesoa;
+						goto found;
+					}
+				}
+				result = dns_message_nextname(rmessage,
+							      DNS_SECTION_AUTHORITY);
+			}
+		}
+	} else if (rev->result == ISC_R_TIMEDOUT)
+		*resultp = timedout;
+	else {
+		fprintf(stderr, "unexpected result: %d (domain=%s, server=",
+			rev->result, trans->domain);
+		print_address(stderr, &server->address);
+		fputc('\n', stderr);
+		*resultp = unexpected;
+	}
+
+ found:
+	INSIST(*resultp != none);
+	if (type == dns_rdatatype_a && *resultp == exist)
+		trans->qname_found = ISC_TRUE;
+
+	dns_client_destroyreqtrans(&trans->reqid);
+	isc_event_free(&event);
+	dns_message_reset(trans->rmessage, DNS_MESSAGE_INTENTPARSE);
+
+	result = probe_name(trans, type);
+	if (result == ISC_R_NOMORE) {
+		/* We've tried all addresses of all servers. */
+		if (type == dns_rdatatype_a && trans->qname_found) {
+			/*
+			 * If we've explored A RRs and found an existent
+			 * record, we can move to AAAA.
+			 */
+			trans->current_ns = ISC_LIST_HEAD(trans->nslist);
+			probe_name(trans, dns_rdatatype_aaaa);
+			result = ISC_R_SUCCESS;
+		} else if (type == dns_rdatatype_a) {
+			/*
+			 * No server provided an existent A RR of this name.
+			 * Try next label.
+			 */
+			dns_fixedname_invalidate(&trans->fixedname);
+			trans->qname = NULL;
+			result = set_nextqname(trans);
+			if (result == ISC_R_SUCCESS) {
+				trans->current_ns =
+					ISC_LIST_HEAD(trans->nslist);
+				for (pns = trans->current_ns; pns != NULL;
+				     pns = ISC_LIST_NEXT(pns, link)) {
+					for (server = ISC_LIST_HEAD(pns->servers);
+					     server != NULL;
+					     server = ISC_LIST_NEXT(server,
+								    link)) {
+						INSIST(server->result_aaaa ==
+						       none);
+						server->result_a = none;
+					}
+				}
+				result = probe_name(trans, dns_rdatatype_a);
+			}
+		}
+		if (result != ISC_R_SUCCESS) {
+			/*
+			 * We've explored AAAA RRs or failed to find a valid
+			 * query label.  Wrap up the result and move to the
+			 * next domain.
+			 */
+			reset_probe(trans);
+		}
+	} else if (result != ISC_R_SUCCESS)
+		reset_probe(trans); /* XXX */
+}
+
+static isc_result_t
+probe_name(struct probe_trans *trans, dns_rdatatype_t type) {
+	isc_result_t result;
+	struct probe_ns *pns;
+	struct server *server;
+
+	REQUIRE(trans->reqid == NULL);
+	REQUIRE(type == dns_rdatatype_a || type == dns_rdatatype_aaaa);
+
+	for (pns = trans->current_ns; pns != NULL;
+	     pns = ISC_LIST_NEXT(pns, link)) {
+		for (server = ISC_LIST_HEAD(pns->servers); server != NULL;
+		     server = ISC_LIST_NEXT(server, link)) {
+			if ((type == dns_rdatatype_a &&
+			     server->result_a == none) ||
+			    (type == dns_rdatatype_aaaa &&
+			     server->result_aaaa == none)) {
+				pns->current_server = server;
+				goto found;
+			}
+		}
+	}
+
+ found:
+	trans->current_ns = pns;
+	if (pns == NULL)
+		return (ISC_R_NOMORE);
+
+	INSIST(pns->current_server != NULL);
+	dns_message_reset(trans->qmessage, DNS_MESSAGE_INTENTRENDER);
+	result = make_querymessage(trans->qmessage, trans->qname, type);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+	result = dns_client_startrequest(client, trans->qmessage,
+					 trans->rmessage,
+					 &pns->current_server->address,
+					 0, DNS_MESSAGEPARSE_BESTEFFORT,
+					 NULL, 120, 0, 4,
+					 probe_task, request_done, trans,
+					 &trans->reqid);
+
+	return (result);
+}
+
+/*
+ * Get IP addresses of NSes
+ */
+
+static void
+resolve_nsaddress(isc_task_t *task, isc_event_t *event) {
+	struct probe_trans *trans = event->ev_arg;
+	dns_clientresevent_t *rev = (dns_clientresevent_t *)event;
+	dns_name_t *name;
+	dns_rdataset_t *rdataset;
+	dns_rdata_t rdata = DNS_RDATA_INIT;
+	struct probe_ns *pns = trans->current_ns;
+	isc_result_t result;
+
+	REQUIRE(task == probe_task);
+	REQUIRE(trans->inuse == ISC_TRUE);
+	REQUIRE(pns != NULL);
+	INSIST(outstanding_probes > 0);
+
+	for (name = ISC_LIST_HEAD(rev->answerlist); name != NULL;
+	     name = ISC_LIST_NEXT(name, link)) {
+		for (rdataset = ISC_LIST_HEAD(name->list);
+		     rdataset != NULL;
+		     rdataset = ISC_LIST_NEXT(rdataset, link)) {
+			(void)print_rdataset(rdataset, name);
+
+			if (rdataset->type != dns_rdatatype_a)
+				continue;
+
+			for (result = dns_rdataset_first(rdataset);
+			     result == ISC_R_SUCCESS;
+			     result = dns_rdataset_next(rdataset)) {
+				dns_rdata_in_a_t rdata_a;
+				struct server *server;
+
+				dns_rdataset_current(rdataset, &rdata);
+				result = dns_rdata_tostruct(&rdata, &rdata_a,
+							    NULL);
+				if (result != ISC_R_SUCCESS)
+					continue;
+
+				server = isc_mem_get(mctx, sizeof(*server));
+				if (server == NULL) {
+					fprintf(stderr, "resolve_nsaddress: "
+						"mem_get failed");
+					result = ISC_R_NOMEMORY;
+					goto cleanup;
+				}
+				isc_sockaddr_fromin(&server->address,
+						    &rdata_a.in_addr, 53);
+				ISC_LINK_INIT(server, link);
+				server->result_a = none;
+				server->result_aaaa = none;
+				ISC_LIST_APPEND(pns->servers, server, link);
+			}
+		}
+	}
+
+ cleanup:
+	dns_client_freeresanswer(client, &rev->answerlist);
+	dns_client_destroyrestrans(&trans->resid);
+	isc_event_free(&event);
+
+ next_ns:
+	trans->current_ns = ISC_LIST_NEXT(pns, link);
+	if (trans->current_ns == NULL) {
+		trans->current_ns = ISC_LIST_HEAD(trans->nslist);
+		dns_fixedname_invalidate(&trans->fixedname);
+		trans->qname = NULL;
+		result = set_nextqname(trans);
+		if (result == ISC_R_SUCCESS)
+			 result = probe_name(trans, dns_rdatatype_a);
+	} else {
+		result = fetch_nsaddress(trans);
+		if (result != ISC_R_SUCCESS)
+			goto next_ns; /* XXX: this is unlikely to succeed */
+	}
+
+	if (result != ISC_R_SUCCESS)
+		reset_probe(trans);
+}
+
+static isc_result_t
+fetch_nsaddress(struct probe_trans *trans) {
+	struct probe_ns *pns;
+
+	pns = trans->current_ns;
+	REQUIRE(pns != NULL);
+
+	return (dns_client_startresolve(client, pns->name, dns_rdataclass_in,
+					dns_rdatatype_a, 0, probe_task,
+					resolve_nsaddress, trans,
+					&trans->resid));
+}
+
+/*
+ * Get NS RRset for a given domain
+ */
+
+static void
+reset_probe(struct probe_trans *trans) {
+	struct probe_ns *pns;
+	struct server *server;
+	isc_result_t result;
+
+	REQUIRE(trans->resid == NULL);
+	REQUIRE(trans->reqid == NULL);
+
+	update_stat(trans);
+
+	dns_message_reset(trans->qmessage, DNS_MESSAGE_INTENTRENDER);
+	dns_message_reset(trans->rmessage, DNS_MESSAGE_INTENTPARSE);
+
+	trans->inuse = ISC_FALSE;
+	if (trans->domain != NULL)
+		isc_mem_free(mctx, trans->domain);
+	trans->domain = NULL;
+	if (trans->qname != NULL)
+		dns_fixedname_invalidate(&trans->fixedname);
+	trans->qname = NULL;
+	trans->qlabel = qlabels;
+	trans->qname_found = ISC_FALSE;
+	trans->current_ns = NULL;
+
+	while ((pns = ISC_LIST_HEAD(trans->nslist)) != NULL) {
+		ISC_LIST_UNLINK(trans->nslist, pns, link);
+		while ((server = ISC_LIST_HEAD(pns->servers)) != NULL) {
+			ISC_LIST_UNLINK(pns->servers, server, link);
+			isc_mem_put(mctx, server, sizeof(*server));
+		}
+		isc_mem_put(mctx, pns, sizeof(*pns));
+	}
+
+	outstanding_probes--;
+
+	result = probe_domain(trans);
+	if (result == ISC_R_NOMORE && outstanding_probes == 0)
+		isc_app_ctxshutdown(actx);
+}
+
+static void
+resolve_ns(isc_task_t *task, isc_event_t *event) {
+	struct probe_trans *trans = event->ev_arg;
+	dns_clientresevent_t *rev = (dns_clientresevent_t *)event;
+	dns_name_t *name;
+	dns_rdataset_t *rdataset;
+	isc_result_t result = ISC_R_SUCCESS;
+	dns_rdata_t rdata = DNS_RDATA_INIT;
+	struct probe_ns *pns;
+
+	REQUIRE(task == probe_task);
+	REQUIRE(trans->inuse == ISC_TRUE);
+	INSIST(outstanding_probes > 0);
+
+	for (name = ISC_LIST_HEAD(rev->answerlist); name != NULL;
+	     name = ISC_LIST_NEXT(name, link)) {
+		for (rdataset = ISC_LIST_HEAD(name->list);
+		     rdataset != NULL;
+		     rdataset = ISC_LIST_NEXT(rdataset, link)) {
+			(void)print_rdataset(rdataset, name);
+
+			if (rdataset->type != dns_rdatatype_ns)
+				continue;
+
+			for (result = dns_rdataset_first(rdataset);
+			     result == ISC_R_SUCCESS;
+			     result = dns_rdataset_next(rdataset)) {
+				dns_rdata_ns_t ns;
+
+				dns_rdataset_current(rdataset, &rdata);
+				/*
+				 * Extract the name from the NS record.
+				 */
+				result = dns_rdata_tostruct(&rdata, &ns, NULL);
+				if (result != ISC_R_SUCCESS)
+					continue;
+
+				pns = isc_mem_get(mctx, sizeof(*pns));
+				if (pns == NULL) {
+					fprintf(stderr,
+						"resolve_ns: mem_get failed");
+					result = ISC_R_NOMEMORY;
+					/*
+					 * XXX: should we continue with the
+					 * available servers anyway?
+					 */
+					goto cleanup;
+				}
+
+				dns_fixedname_init(&pns->fixedname);
+				pns->name =
+					dns_fixedname_name(&pns->fixedname);
+				ISC_LINK_INIT(pns, link);
+				ISC_LIST_APPEND(trans->nslist, pns, link);
+				ISC_LIST_INIT(pns->servers);
+
+				dns_name_copy(&ns.name, pns->name, NULL);
+				dns_rdata_reset(&rdata);
+				dns_rdata_freestruct(&ns);
+			}
+		}
+	}
+
+ cleanup:
+	dns_client_freeresanswer(client, &rev->answerlist);
+	dns_client_destroyrestrans(&trans->resid);
+	isc_event_free(&event);
+
+	if (!ISC_LIST_EMPTY(trans->nslist)) {
+		/* Go get addresses of NSes */
+		trans->current_ns = ISC_LIST_HEAD(trans->nslist);
+		result = fetch_nsaddress(trans);
+	} else
+		result = ISC_R_FAILURE;
+
+	if (result == ISC_R_SUCCESS)
+		return;
+
+	reset_probe(trans);
+}
+
+static isc_result_t
+probe_domain(struct probe_trans *trans) {
+	isc_result_t result;
+	size_t domainlen;
+	isc_buffer_t b;
+	char buf[4096];	/* XXX ad hoc constant, but should be enough */
+	char *cp;
+
+	REQUIRE(trans != NULL);
+	REQUIRE(trans->inuse == ISC_FALSE);
+	REQUIRE(outstanding_probes < MAX_PROBES);
+
+	/* Construct domain */
+	cp = fgets(buf, sizeof(buf), fp);
+	if (cp == NULL)
+		return (ISC_R_NOMORE);
+	if ((cp = strchr(buf, '\n')) != NULL) /* zap NL if any */
+		*cp = '\0';
+	trans->domain = isc_mem_strdup(mctx, buf);
+	if (trans->domain == NULL) {
+		fprintf(stderr,
+			"failed to allocate memory for domain: %s", cp);
+		return (ISC_R_NOMEMORY);
+	}
+
+	/* Start getting NS for the domain */
+	domainlen = strlen(buf);
+	isc_buffer_init(&b, buf, domainlen);
+	isc_buffer_add(&b, domainlen);
+	dns_fixedname_init(&trans->fixedname);
+	trans->qname = dns_fixedname_name(&trans->fixedname);
+	result = dns_name_fromtext(trans->qname, &b, dns_rootname, 0, NULL);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+	result = dns_client_startresolve(client, trans->qname,
+					 dns_rdataclass_in, dns_rdatatype_ns,
+					 0, probe_task, resolve_ns, trans,
+					 &trans->resid);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+
+	trans->inuse = ISC_TRUE;
+	outstanding_probes++;
+
+	return (ISC_R_SUCCESS);
+
+ cleanup:
+	isc_mem_free(mctx, trans->domain);
+	dns_fixedname_invalidate(&trans->fixedname);
+
+	return (result);
+}
+
+ISC_PLATFORM_NORETURN_PRE static void
+usage(void) ISC_PLATFORM_NORETURN_POST;
+
+static void
+usage(void) {
+	fprintf(stderr, "usage: nsprobe [-d] [-v [-v...]] [-c cache_address] "
+		"[input_file]\n");
+
+	exit(1);
+}
+
+int
+main(int argc, char *argv[]) {
+	int i, ch, error;
+	struct addrinfo hints, *res;
+	isc_result_t result;
+	isc_sockaddr_t sa;
+	isc_sockaddrlist_t servers;
+	isc_taskmgr_t *taskmgr = NULL;
+	isc_socketmgr_t *socketmgr = NULL;
+	isc_timermgr_t *timermgr = NULL;
+
+	while ((ch = getopt(argc, argv, "c:dhv")) != -1) {
+		switch (ch) {
+		case 'c':
+			cacheserver = optarg;
+			break;
+		case 'd':
+			debug_mode = ISC_TRUE;
+			break;
+		case 'h':
+			usage();
+			break;
+		case 'v':
+			verbose_level++;
+			break;
+		default:
+			usage();
+			break;
+		}
+	}
+
+	argc -= optind;
+	argv += optind;
+
+	/* Common set up */
+	isc_lib_register();
+	result = dns_lib_init();
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "dns_lib_init failed: %d\n", result);
+		exit(1);
+	}
+
+	result = ctxs_init(&mctx, &actx, &taskmgr, &socketmgr,
+			   &timermgr);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "ctx create failed: %d\n", result);
+		exit(1);
+	}
+
+	isc_app_ctxstart(actx);
+
+	result = dns_client_createx(mctx, actx, taskmgr, socketmgr,
+				    timermgr, 0, &client);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "dns_client_createx failed: %d\n", result);
+		exit(1);
+	}
+
+	/* Set local cache server */
+	memset(&hints, 0, sizeof(hints));
+	hints.ai_family = AF_UNSPEC;
+	hints.ai_socktype = SOCK_DGRAM;
+	error = getaddrinfo(cacheserver, "53", &hints, &res);
+	if (error != 0) {
+		fprintf(stderr, "failed to convert server name (%s): %s\n",
+			cacheserver, gai_strerror(error));
+		exit(1);
+	}
+
+	if (res->ai_addrlen > sizeof(sa.type)) {
+		fprintf(stderr,
+			"assumption failure: addrlen is too long: %d\n",
+			res->ai_addrlen);
+		exit(1);
+	}
+	memcpy(&sa.type.sa, res->ai_addr, res->ai_addrlen);
+	sa.length = res->ai_addrlen;
+	freeaddrinfo(res);
+	ISC_LINK_INIT(&sa, link);
+	ISC_LIST_INIT(servers);
+	ISC_LIST_APPEND(servers, &sa, link);
+	result = dns_client_setservers(client, dns_rdataclass_in, NULL,
+				       &servers);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "failed to set server: %d\n", result);
+		exit(1);
+	}
+
+	/* Create the main task */
+	probe_task = NULL;
+	result = isc_task_create(taskmgr, 0, &probe_task);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "failed to create task: %d\n", result);
+		exit(1);
+	}
+
+	/* Open input file */
+	if (argc == 0)
+		fp = stdin;
+	else {
+		fp = fopen(argv[0], "r");
+		if (fp == NULL) {
+			fprintf(stderr, "failed to open input file: %s\n",
+				argv[0]);
+			exit(1);
+		}
+	}
+
+	/* Set up and start probe */
+	for (i = 0; i < MAX_PROBES; i++) {
+		probes[i].inuse = ISC_FALSE;
+		probes[i].domain = NULL;
+		dns_fixedname_init(&probes[i].fixedname);
+		probes[i].qname = NULL;
+		probes[i].qlabel = qlabels;
+		probes[i].qname_found = ISC_FALSE;
+		probes[i].resid = NULL;
+		ISC_LIST_INIT(probes[i].nslist);
+		probes[i].reqid = NULL;
+
+		probes[i].qmessage = NULL;
+		result = dns_message_create(mctx, DNS_MESSAGE_INTENTRENDER,
+					    &probes[i].qmessage);
+		if (result == ISC_R_SUCCESS) {
+			result = dns_message_create(mctx,
+						    DNS_MESSAGE_INTENTPARSE,
+						    &probes[i].rmessage);
+		}
+		if (result != ISC_R_SUCCESS) {
+			fprintf(stderr, "initialization failure\n");
+			exit(1);
+		}
+	}
+	for (i = 0; i < MAX_PROBES; i++) {
+		result = probe_domain(&probes[i]);
+		if (result == ISC_R_NOMORE)
+			break;
+		else if (result != ISC_R_SUCCESS) {
+			fprintf(stderr, "failed to issue an initial probe\n");
+			exit(1);
+		}
+	}
+
+	/* Start event loop */
+	isc_app_ctxrun(actx);
+
+	/* Dump results */
+	printf("Per domain results (out of %lu domains):\n",
+	       number_of_domains);
+	printf("  valid: %lu\n"
+	       "  ignore: %lu\n"
+	       "  nxdomain: %lu\n"
+	       "  othererr: %lu\n"
+	       "  multiplesoa: %lu\n"
+	       "  multiplecname: %lu\n"
+	       "  brokenanswer: %lu\n"
+	       "  lame: %lu\n"
+	       "  unknown: %lu\n"
+	       "  multiple errors: %lu\n",
+	       domain_stat.valid, domain_stat.ignore, domain_stat.nxdomain,
+	       domain_stat.othererr, domain_stat.multiplesoa,
+	       domain_stat.multiplecname, domain_stat.brokenanswer,
+	       domain_stat.lame, domain_stat.unknown, multiple_error_domains);
+	printf("Per server results (out of %lu servers):\n",
+	       number_of_servers);
+	printf("  valid: %lu\n"
+	       "  ignore: %lu\n"
+	       "  nxdomain: %lu\n"
+	       "  othererr: %lu\n"
+	       "  multiplesoa: %lu\n"
+	       "  multiplecname: %lu\n"
+	       "  brokenanswer: %lu\n"
+	       "  lame: %lu\n"
+	       "  unknown: %lu\n",
+	       server_stat.valid, server_stat.ignore, server_stat.nxdomain,
+	       server_stat.othererr, server_stat.multiplesoa,
+	       server_stat.multiplecname, server_stat.brokenanswer,
+	       server_stat.lame, server_stat.unknown);
+
+	/* Cleanup */
+	for (i = 0; i < MAX_PROBES; i++) {
+		dns_message_destroy(&probes[i].qmessage);
+		dns_message_destroy(&probes[i].rmessage);
+	}
+	isc_task_detach(&probe_task);
+	dns_client_destroy(&client);
+	dns_lib_shutdown();
+	isc_app_ctxfinish(actx);
+	ctxs_destroy(&mctx, &actx, &taskmgr, &socketmgr, &timermgr);
+
+	exit(0);
+}
diff --git a/lib/export/samples/sample-async.c b/lib/export/samples/sample-async.c
new file mode 100644
index 0000000..19c0bba
--- /dev/null
+++ b/lib/export/samples/sample-async.c
@@ -0,0 +1,402 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: sample-async.c,v 1.5 2009-09-29 15:06:07 fdupont Exp $ */
+
+#include 
+
+#include 
+#include 
+
+#include 
+
+#include 
+
+#include 
+#include 
+#include 
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#define MAX_SERVERS 10
+#define MAX_QUERIES 100
+
+static dns_client_t *client = NULL;
+static isc_task_t *query_task = NULL;
+static isc_appctx_t *query_actx = NULL;
+static unsigned int outstanding_queries = 0;
+static const char *def_server = "127.0.0.1";
+static FILE *fp;
+
+struct query_trans {
+	int id;
+	isc_boolean_t inuse;
+	dns_rdatatype_t type;
+	dns_fixedname_t fixedname;
+	dns_name_t *qname;
+	dns_namelist_t answerlist;
+	dns_clientrestrans_t *xid;
+};
+
+static struct query_trans query_array[MAX_QUERIES];
+
+static isc_result_t dispatch_query(struct query_trans *trans);
+
+static void
+ctxs_destroy(isc_mem_t **mctxp, isc_appctx_t **actxp,
+	     isc_taskmgr_t **taskmgrp, isc_socketmgr_t **socketmgrp,
+	     isc_timermgr_t **timermgrp)
+{
+	if (*taskmgrp != NULL)
+		isc_taskmgr_destroy(taskmgrp);
+
+	if (*timermgrp != NULL)
+		isc_timermgr_destroy(timermgrp);
+
+	if (*socketmgrp != NULL)
+		isc_socketmgr_destroy(socketmgrp);
+
+	if (*actxp != NULL)
+		isc_appctx_destroy(actxp);
+
+	if (*mctxp != NULL)
+		isc_mem_destroy(mctxp);
+}
+
+static isc_result_t
+ctxs_init(isc_mem_t **mctxp, isc_appctx_t **actxp,
+	  isc_taskmgr_t **taskmgrp, isc_socketmgr_t **socketmgrp,
+	  isc_timermgr_t **timermgrp)
+{
+	isc_result_t result;
+
+	result = isc_mem_create(0, 0, mctxp);
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+
+	result = isc_appctx_create(*mctxp, actxp);
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+
+	result = isc_taskmgr_createinctx(*mctxp, *actxp, 1, 0, taskmgrp);
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+
+	result = isc_socketmgr_createinctx(*mctxp, *actxp, socketmgrp);
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+
+	result = isc_timermgr_createinctx(*mctxp, *actxp, timermgrp);
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+
+	return (ISC_R_SUCCESS);
+
+ fail:
+	ctxs_destroy(mctxp, actxp, taskmgrp, socketmgrp, timermgrp);
+
+	return (result);
+}
+
+static isc_result_t
+printdata(dns_rdataset_t *rdataset, dns_name_t *owner) {
+	isc_buffer_t target;
+	isc_result_t result;
+	isc_region_t r;
+	char t[4096];
+
+	isc_buffer_init(&target, t, sizeof(t));
+
+	if (!dns_rdataset_isassociated(rdataset))
+		return (ISC_R_SUCCESS);
+	result = dns_rdataset_totext(rdataset, owner, ISC_FALSE, ISC_FALSE,
+				     &target);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+	isc_buffer_usedregion(&target, &r);
+	printf("  %.*s", (int)r.length, (char *)r.base);
+
+	return (ISC_R_SUCCESS);
+}
+
+static void
+process_answer(isc_task_t *task, isc_event_t *event) {
+	struct query_trans *trans = event->ev_arg;
+	dns_clientresevent_t *rev = (dns_clientresevent_t *)event;
+	dns_name_t *name;
+	dns_rdataset_t *rdataset;
+	isc_result_t result;
+
+	REQUIRE(task == query_task);
+	REQUIRE(trans->inuse == ISC_TRUE);
+	REQUIRE(outstanding_queries > 0);
+
+	printf("answer[%2d]\n", trans->id);
+
+	if (rev->result != ISC_R_SUCCESS)
+		printf("  failed: %d(%s)\n", rev->result,
+		       dns_result_totext(rev->result));
+
+	for (name = ISC_LIST_HEAD(rev->answerlist); name != NULL;
+	     name = ISC_LIST_NEXT(name, link)) {
+		for (rdataset = ISC_LIST_HEAD(name->list);
+		     rdataset != NULL;
+		     rdataset = ISC_LIST_NEXT(rdataset, link)) {
+			(void)printdata(rdataset, name);
+		}
+	}
+
+	dns_client_freeresanswer(client, &rev->answerlist);
+	dns_client_destroyrestrans(&trans->xid);
+
+	isc_event_free(&event);
+
+	trans->inuse = ISC_FALSE;
+	dns_fixedname_invalidate(&trans->fixedname);
+	trans->qname = NULL;
+	outstanding_queries--;
+
+	result = dispatch_query(trans);
+#if 0				/* for cancel test */
+	if (result == ISC_R_SUCCESS) {
+		static int count = 0;
+
+		if ((++count) % 10 == 0)
+			dns_client_cancelresolve(trans->xid);
+	}
+#endif
+	if (result == ISC_R_NOMORE && outstanding_queries == 0)
+		isc_app_ctxshutdown(query_actx);
+}
+
+static isc_result_t
+dispatch_query(struct query_trans *trans) {
+	isc_result_t result;
+	size_t namelen;
+	isc_buffer_t b;
+	char buf[4096];	/* XXX ad hoc constant, but should be enough */
+	char *cp;
+
+	REQUIRE(trans != NULL);
+	REQUIRE(trans->inuse == ISC_FALSE);
+	REQUIRE(ISC_LIST_EMPTY(trans->answerlist));
+	REQUIRE(outstanding_queries < MAX_QUERIES);
+
+	/* Construct qname */
+	cp = fgets(buf, sizeof(buf), fp);
+	if (cp == NULL)
+		return (ISC_R_NOMORE);
+	/* zap NL if any */
+	if ((cp = strchr(buf, '\n')) != NULL)
+		*cp = '\0';
+	namelen = strlen(buf);
+	isc_buffer_init(&b, buf, namelen);
+	isc_buffer_add(&b, namelen);
+	dns_fixedname_init(&trans->fixedname);
+	trans->qname = dns_fixedname_name(&trans->fixedname);
+	result = dns_name_fromtext(trans->qname, &b, dns_rootname, 0, NULL);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+
+	/* Start resolution */
+	result = dns_client_startresolve(client, trans->qname,
+					 dns_rdataclass_in, trans->type, 0,
+					 query_task, process_answer, trans,
+					 &trans->xid);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+
+	trans->inuse = ISC_TRUE;
+	outstanding_queries++;
+
+	return (ISC_R_SUCCESS);
+
+ cleanup:
+	dns_fixedname_invalidate(&trans->fixedname);
+
+	return (result);
+}
+
+ISC_PLATFORM_NORETURN_PRE static void
+usage(void) ISC_PLATFORM_NORETURN_POST;
+
+static void
+usage(void) {
+	fprintf(stderr, "usage: sample-async [-s server_address] [-t RR type] "
+		"input_file\n");
+
+	exit(1);
+}
+
+int
+main(int argc, char *argv[]) {
+	int ch;
+	isc_textregion_t tr;
+	isc_mem_t *mctx = NULL;
+	isc_taskmgr_t *taskmgr = NULL;
+	isc_socketmgr_t *socketmgr = NULL;
+	isc_timermgr_t *timermgr = NULL;
+	int nservers = 0;
+	const char *serveraddr[MAX_SERVERS];
+	isc_sockaddr_t sa[MAX_SERVERS];
+	isc_sockaddrlist_t servers;
+	dns_rdatatype_t type = dns_rdatatype_a;
+	struct in_addr inaddr;
+	isc_result_t result;
+	int i;
+
+	while ((ch = getopt(argc, argv, "s:t:")) != -1) {
+		switch (ch) {
+		case 't':
+			tr.base = optarg;
+			tr.length = strlen(optarg);
+			result = dns_rdatatype_fromtext(&type, &tr);
+			if (result != ISC_R_SUCCESS) {
+				fprintf(stderr,
+					"invalid RRtype: %s\n", optarg);
+				exit(1);
+			}
+			break;
+		case 's':
+			if (nservers == MAX_SERVERS) {
+				fprintf(stderr,
+					"too many servers (up to %d)\n",
+					MAX_SERVERS);
+				exit(1);
+			}
+			serveraddr[nservers++] = (const char *)optarg;
+			break;
+		default:
+			usage();
+		}
+	}
+
+	argc -= optind;
+	argv += optind;
+	if (argc < 1)
+		usage();
+
+	if (nservers == 0) {
+		nservers = 1;
+		serveraddr[0] = def_server;
+	}
+
+	for (i = 0; i < MAX_QUERIES; i++) {
+		query_array[i].id = i;
+		query_array[i].inuse = ISC_FALSE;
+		query_array[i].type = type;
+		dns_fixedname_init(&query_array[i].fixedname);
+		query_array[i].qname = NULL;
+		ISC_LIST_INIT(query_array[i].answerlist);
+		query_array[i].xid = NULL;
+	}
+
+	isc_lib_register();
+	result = dns_lib_init();
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "dns_lib_init failed: %d\n", result);
+		exit(1);
+	}
+
+	result = ctxs_init(&mctx, &query_actx, &taskmgr, &socketmgr,
+			   &timermgr);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "ctx create failed: %d\n", result);
+		exit(1);
+	}
+
+	isc_app_ctxstart(query_actx);
+
+	result = dns_client_createx(mctx, query_actx, taskmgr, socketmgr,
+				    timermgr, 0, &client);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "dns_client_createx failed: %d\n", result);
+		exit(1);
+	}
+
+	/* Set nameservers */
+	ISC_LIST_INIT(servers);
+	for (i = 0; i < nservers; i++) {
+		if (inet_pton(AF_INET, serveraddr[i], &inaddr) != 1) {
+			fprintf(stderr, "failed to parse IPv4 address %s\n",
+				serveraddr[i]);
+			exit(1);
+		}
+		isc_sockaddr_fromin(&sa[i], &inaddr, 53);
+		ISC_LIST_APPEND(servers, &sa[i], link);
+	}
+	result = dns_client_setservers(client, dns_rdataclass_in, NULL,
+				       &servers);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "set server failed: %d\n", result);
+		exit(1);
+	}
+
+	/* Create the main task */
+	query_task = NULL;
+	result = isc_task_create(taskmgr, 0, &query_task);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "failed to create task: %d\n", result);
+		exit(1);
+	}
+
+	/* Open input file */
+	fp = fopen(argv[0], "r");
+	if (fp == NULL) {
+		fprintf(stderr, "failed to open input file: %s\n", argv[1]);
+		exit(1);
+	}
+
+	/* Dispatch initial queries */
+	for (i = 0; i < MAX_QUERIES; i++) {
+		result = dispatch_query(&query_array[i]);
+		if (result == ISC_R_NOMORE)
+			break;
+	}
+
+	/* Start event loop */
+	isc_app_ctxrun(query_actx);
+
+	/* Sanity check */
+	for (i = 0; i < MAX_QUERIES; i++)
+		INSIST(query_array[i].inuse == ISC_FALSE);
+
+	/* Cleanup */
+	isc_task_detach(&query_task);
+	dns_client_destroy(&client);
+	dns_lib_shutdown();
+	isc_app_ctxfinish(query_actx);
+	ctxs_destroy(&mctx, &query_actx, &taskmgr, &socketmgr, &timermgr);
+
+	exit(0);
+}
diff --git a/lib/export/samples/sample-gai.c b/lib/export/samples/sample-gai.c
new file mode 100644
index 0000000..7c07f1b
--- /dev/null
+++ b/lib/export/samples/sample-gai.c
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: sample-gai.c,v 1.4 2009-09-02 23:48:02 tbox Exp $ */
+
+#include 
+
+#include 
+#include 
+
+#include 
+
+#include 
+#include 
+#include 
+
+static void
+do_gai(int family, char *hostname) {
+	struct addrinfo hints, *res, *res0;
+	int error;
+	char namebuf[1024], addrbuf[1024], servbuf[1024];
+
+	memset(&hints, 0, sizeof(hints));
+	hints.ai_family = family;
+	hints.ai_socktype = SOCK_STREAM;
+	hints.ai_flags = AI_CANONNAME;
+	error = getaddrinfo(hostname, "http", &hints, &res0);
+	if (error) {
+		fprintf(stderr, "getaddrinfo failed for %s,family=%d: %s\n",
+			hostname, family, gai_strerror(error));
+		return;
+	}
+
+	for (res = res0; res; res = res->ai_next) {
+		error = getnameinfo(res->ai_addr, res->ai_addrlen,
+				    addrbuf, sizeof(addrbuf),
+				    NULL, 0, NI_NUMERICHOST);
+		if (error == 0)
+			error = getnameinfo(res->ai_addr, res->ai_addrlen,
+					    namebuf, sizeof(namebuf),
+					    servbuf, sizeof(servbuf), 0);
+		if (error != 0) {
+			fprintf(stderr, "getnameinfo failed: %s\n",
+				gai_strerror(error));
+		} else {
+			printf("%s(%s/%s)=%s:%s\n", hostname,
+			       res->ai_canonname, addrbuf, namebuf, servbuf);
+		}
+	}
+
+	freeaddrinfo(res);
+}
+
+int
+main(int argc, char *argv[]) {
+	if (argc < 2)
+		exit(1);
+
+	do_gai(AF_INET, argv[1]);
+	do_gai(AF_INET6, argv[1]);
+	do_gai(AF_UNSPEC, argv[1]);
+
+	exit(0);
+}
diff --git a/lib/export/samples/sample-request.c b/lib/export/samples/sample-request.c
new file mode 100644
index 0000000..4331498
--- /dev/null
+++ b/lib/export/samples/sample-request.c
@@ -0,0 +1,263 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: sample-request.c,v 1.5 2009-09-29 15:06:07 fdupont Exp $ */
+
+#include 
+
+#include 
+#include 
+
+#include 
+
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include 
+
+static isc_mem_t *mctx;
+static dns_fixedname_t fixedqname;
+
+ISC_PLATFORM_NORETURN_PRE static void
+usage(void) ISC_PLATFORM_NORETURN_POST;
+
+static void
+usage(void) {
+	fprintf(stderr, "sample-request [-t RRtype] server_address hostname\n");
+
+	exit(1);
+}
+
+static isc_result_t
+make_querymessage(dns_message_t *message, const char *namestr,
+		  dns_rdatatype_t rdtype)
+{
+	dns_name_t *qname = NULL, *qname0;
+	dns_rdataset_t *qrdataset = NULL;
+	isc_result_t result;
+	isc_buffer_t b;
+	size_t namelen;
+
+	/* Construct qname */
+	namelen = strlen(namestr);
+	isc_buffer_init(&b, namestr, namelen);
+	isc_buffer_add(&b, namelen);
+	dns_fixedname_init(&fixedqname);
+	qname0 = dns_fixedname_name(&fixedqname);
+	result = dns_name_fromtext(qname0, &b, dns_rootname, 0, NULL);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "failed to convert qname: %d\n", result);
+		return (result);
+	}
+
+	/* Construct query message */
+	message->opcode = dns_opcode_query;
+	message->rdclass = dns_rdataclass_in;
+
+	result = dns_message_gettempname(message, &qname);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+
+	result = dns_message_gettemprdataset(message, &qrdataset);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+
+	dns_name_init(qname, NULL);
+	dns_name_clone(qname0, qname);
+	dns_rdataset_init(qrdataset);
+	dns_rdataset_makequestion(qrdataset, message->rdclass, rdtype);
+	ISC_LIST_APPEND(qname->list, qrdataset, link);
+	dns_message_addname(message, qname, DNS_SECTION_QUESTION);
+
+	return (ISC_R_SUCCESS);
+
+ cleanup:
+	if (qname != NULL)
+		dns_message_puttempname(message, &qname);
+	if (qrdataset != NULL)
+		dns_message_puttemprdataset(message, &qrdataset);
+	if (message != NULL)
+		dns_message_destroy(&message);
+	return (result);
+}
+
+static void
+print_section(dns_message_t *message, int section, isc_buffer_t *buf) {
+	isc_result_t result;
+	isc_region_t r;
+
+	result = dns_message_sectiontotext(message, section,
+					   &dns_master_style_full, 0, buf);
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+
+	isc_buffer_usedregion(buf, &r);
+	printf("%.*s", (int)r.length, (char *)r.base);
+
+	return;
+
+ fail:
+	fprintf(stderr, "failed to convert a section\n");
+}
+
+int
+main(int argc, char *argv[]) {
+	int ch, i, gai_error;
+	struct addrinfo hints, *res;
+	isc_textregion_t tr;
+	dns_client_t *client = NULL;
+	isc_result_t result;
+	isc_sockaddr_t sa;
+	dns_message_t *qmessage, *rmessage;
+	dns_rdatatype_t type = dns_rdatatype_a;
+	isc_buffer_t *outputbuf;
+
+	while ((ch = getopt(argc, argv, "t:")) != -1) {
+		switch (ch) {
+		case 't':
+			tr.base = optarg;
+			tr.length = strlen(optarg);
+			result = dns_rdatatype_fromtext(&type, &tr);
+			if (result != ISC_R_SUCCESS) {
+				fprintf(stderr,
+					"invalid RRtype: %s\n", optarg);
+				exit(1);
+			}
+			break;
+		default:
+			usage();
+		}
+	}
+
+	argc -= optind;
+	argv += optind;
+	if (argc < 2)
+		usage();
+
+	isc_lib_register();
+	result = dns_lib_init();
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "dns_lib_init failed: %d\n", result);
+		exit(1);
+	}
+
+	result = dns_client_create(&client, 0);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "dns_client_create failed: %d\n", result);
+		exit(1);
+	}
+
+	/* Prepare message structures */
+	mctx = NULL;
+	qmessage = NULL;
+	rmessage = NULL;
+
+	result = isc_mem_create(0, 0, &mctx);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "failed to create a memory context\n");
+		exit(1);
+	}
+	result = dns_message_create(mctx, DNS_MESSAGE_INTENTRENDER, &qmessage);
+	if (result == ISC_R_SUCCESS) {
+		result = dns_message_create(mctx, DNS_MESSAGE_INTENTPARSE,
+					    &rmessage);
+	}
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "failed to create messages\n");
+		exit(1);
+	}
+
+	/* Initialize the nameserver address */
+	memset(&hints, 0, sizeof(hints));
+	hints.ai_family = AF_UNSPEC;
+	hints.ai_socktype = SOCK_DGRAM;
+	hints.ai_protocol = IPPROTO_UDP;
+	hints.ai_flags = AI_NUMERICHOST;
+	gai_error = getaddrinfo(argv[0], "53", &hints, &res);
+	if (gai_error != 0) {
+		fprintf(stderr, "getaddrinfo failed: %s\n",
+			gai_strerror(gai_error));
+		exit(1);
+	}
+	INSIST(res->ai_addrlen <= sizeof(sa.type));
+	memcpy(&sa.type, res->ai_addr, res->ai_addrlen);
+	freeaddrinfo(res);
+	sa.length = res->ai_addrlen;
+	ISC_LINK_INIT(&sa, link);
+
+	/* Construct qname */
+	result = make_querymessage(qmessage, argv[1], type);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "failed to create a query\n");
+		exit(1);
+	}
+
+	/* Send request and wait for a response */
+	result = dns_client_request(client, qmessage, rmessage, &sa, 0, 0,
+				    NULL, 60, 0, 3);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "failed to get a response: %s\n",
+			dns_result_totext(result));
+	}
+
+	/* Dump the response */
+	outputbuf = NULL;
+	result = isc_buffer_allocate(mctx, &outputbuf, 65535);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "failed to allocate a result buffer\n");
+		exit(1);
+	}
+	for (i = 0; i < DNS_SECTION_MAX; i++) {
+		print_section(rmessage, i, outputbuf);
+		isc_buffer_clear(outputbuf);
+	}
+	isc_buffer_free(&outputbuf);
+
+	/* Cleanup */
+	dns_message_destroy(&qmessage);
+	dns_message_destroy(&rmessage);
+	isc_mem_destroy(&mctx);
+	dns_client_destroy(&client);
+	dns_lib_shutdown();
+
+	exit(0);
+}
diff --git a/lib/export/samples/sample-update.c b/lib/export/samples/sample-update.c
new file mode 100644
index 0000000..eef0a58
--- /dev/null
+++ b/lib/export/samples/sample-update.c
@@ -0,0 +1,755 @@
+/*
+ * Copyright (C) 2009, 2010  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: sample-update.c,v 1.10 2010-12-09 00:54:34 marka Exp $ */
+
+#include 
+
+#include 
+#include 
+
+#include 
+
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include 
+
+static dns_tsec_t *tsec = NULL;
+static const dns_rdataclass_t default_rdataclass = dns_rdataclass_in;
+static isc_bufferlist_t usedbuffers;
+static ISC_LIST(dns_rdatalist_t) usedrdatalists;
+
+static void setup_tsec(char *keyfile, isc_mem_t *mctx);
+static void update_addordelete(isc_mem_t *mctx, char *cmdline,
+			       isc_boolean_t isdelete, dns_name_t *name);
+static void evaluate_prereq(isc_mem_t *mctx, char *cmdline, dns_name_t *name);
+
+ISC_PLATFORM_NORETURN_PRE static void
+usage(void) ISC_PLATFORM_NORETURN_POST;
+
+static void
+usage(void) {
+	fprintf(stderr, "sample-update "
+		"[-a auth_server] "
+		"[-k keyfile] "
+		"[-p prerequisite] "
+		"[-r recursive_server] "
+		"[-z zonename] "
+		"(add|delete) \"name TTL RRtype RDATA\"\n");
+	exit(1);
+}
+
+int
+main(int argc, char *argv[]) {
+	int ch;
+	struct addrinfo hints, *res;
+	int gai_error;
+	dns_client_t *client = NULL;
+	char *zonenamestr = NULL;
+	char *keyfilename = NULL;
+	char *prereqstr = NULL;
+	isc_sockaddrlist_t auth_servers;
+	char *auth_server = NULL;
+	char *recursive_server = NULL;
+	isc_sockaddr_t sa_auth, sa_recursive;
+	isc_sockaddrlist_t rec_servers;
+	isc_result_t result;
+	isc_boolean_t isdelete;
+	isc_buffer_t b, *buf;
+	dns_fixedname_t zname0, pname0, uname0;
+	size_t namelen;
+	dns_name_t *zname = NULL, *uname, *pname;
+	dns_rdataset_t *rdataset;
+	dns_rdatalist_t *rdatalist;
+	dns_rdata_t *rdata;
+	dns_namelist_t updatelist, prereqlist, *prereqlistp = NULL;
+	isc_mem_t *umctx = NULL;
+
+	while ((ch = getopt(argc, argv, "a:k:p:r:z:")) != -1) {
+		switch (ch) {
+		case 'k':
+			keyfilename = optarg;
+			break;
+		case 'a':
+			auth_server = optarg;
+			break;
+		case 'p':
+			prereqstr = optarg;
+			break;
+		case 'r':
+			recursive_server = optarg;
+			break;
+		case 'z':
+			zonenamestr = optarg;
+			break;
+		default:
+			usage();
+		}
+	}
+
+	argc -= optind;
+	argv += optind;
+	if (argc < 2)
+		usage();
+
+	/* command line argument validation */
+	if (strcmp(argv[0], "delete") == 0)
+		isdelete = ISC_TRUE;
+	else if (strcmp(argv[0], "add") == 0)
+		isdelete = ISC_FALSE;
+	else {
+		fprintf(stderr, "invalid update command: %s\n", argv[0]);
+		exit(1);
+	}
+
+	if (auth_server == NULL && recursive_server == NULL) {
+		fprintf(stderr, "authoritative or recursive server "
+			"must be specified\n");
+		usage();
+	}
+
+	/* Initialization */
+	ISC_LIST_INIT(usedbuffers);
+	ISC_LIST_INIT(usedrdatalists);
+	ISC_LIST_INIT(prereqlist);
+	ISC_LIST_INIT(auth_servers);
+	isc_lib_register();
+	result = dns_lib_init();
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "dns_lib_init failed: %d\n", result);
+		exit(1);
+	}
+	result = isc_mem_create(0, 0, &umctx);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "failed to crate mctx\n");
+		exit(1);
+	}
+
+	result = dns_client_create(&client, 0);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "dns_client_create failed: %d\n", result);
+		exit(1);
+	}
+
+	/* Set the authoritative server */
+	if (auth_server != NULL) {
+		memset(&hints, 0, sizeof(hints));
+		hints.ai_family = AF_UNSPEC;
+		hints.ai_socktype = SOCK_DGRAM;
+		hints.ai_protocol = IPPROTO_UDP;
+		hints.ai_flags = AI_NUMERICHOST;
+		gai_error = getaddrinfo(auth_server, "53", &hints, &res);
+		if (gai_error != 0) {
+			fprintf(stderr, "getaddrinfo failed: %s\n",
+				gai_strerror(gai_error));
+			exit(1);
+		}
+		INSIST(res->ai_addrlen <= sizeof(sa_auth.type));
+		memcpy(&sa_auth.type, res->ai_addr, res->ai_addrlen);
+		freeaddrinfo(res);
+		sa_auth.length = res->ai_addrlen;
+		ISC_LINK_INIT(&sa_auth, link);
+
+		ISC_LIST_APPEND(auth_servers, &sa_auth, link);
+	}
+
+	/* Set the recursive server */
+	if (recursive_server != NULL) {
+		memset(&hints, 0, sizeof(hints));
+		hints.ai_family = AF_UNSPEC;
+		hints.ai_socktype = SOCK_DGRAM;
+		hints.ai_protocol = IPPROTO_UDP;
+		hints.ai_flags = AI_NUMERICHOST;
+		gai_error = getaddrinfo(recursive_server, "53", &hints, &res);
+		if (gai_error != 0) {
+			fprintf(stderr, "getaddrinfo failed: %s\n",
+				gai_strerror(gai_error));
+			exit(1);
+		}
+		INSIST(res->ai_addrlen <= sizeof(sa_recursive.type));
+		memcpy(&sa_recursive.type, res->ai_addr, res->ai_addrlen);
+		freeaddrinfo(res);
+		sa_recursive.length = res->ai_addrlen;
+		ISC_LINK_INIT(&sa_recursive, link);
+		ISC_LIST_INIT(rec_servers);
+		ISC_LIST_APPEND(rec_servers, &sa_recursive, link);
+		result = dns_client_setservers(client, dns_rdataclass_in,
+					       NULL, &rec_servers);
+		if (result != ISC_R_SUCCESS) {
+			fprintf(stderr, "set server failed: %d\n", result);
+			exit(1);
+		}
+	}
+
+	/* Construct zone name */
+	zname = NULL;
+	if (zonenamestr != NULL) {
+		namelen = strlen(zonenamestr);
+		isc_buffer_init(&b, zonenamestr, namelen);
+		isc_buffer_add(&b, namelen);
+		dns_fixedname_init(&zname0);
+		zname = dns_fixedname_name(&zname0);
+		result = dns_name_fromtext(zname, &b, dns_rootname, 0, NULL);
+		if (result != ISC_R_SUCCESS)
+			fprintf(stderr, "failed to convert zone name: %d\n",
+				result);
+	}
+
+	/* Construct prerequisite name (if given) */
+	if (prereqstr != NULL) {
+		dns_fixedname_init(&pname0);
+		pname = dns_fixedname_name(&pname0);
+		evaluate_prereq(umctx, prereqstr, pname);
+		ISC_LIST_APPEND(prereqlist, pname, link);
+		prereqlistp = &prereqlist;
+	}
+
+	/* Construct update name */
+	ISC_LIST_INIT(updatelist);
+	dns_fixedname_init(&uname0);
+	uname = dns_fixedname_name(&uname0);
+	update_addordelete(umctx, argv[1], isdelete, uname);
+	ISC_LIST_APPEND(updatelist, uname, link);
+
+	/* Set up TSIG/SIG(0) key (if given) */
+	if (keyfilename != NULL)
+		setup_tsec(keyfilename, umctx);
+
+	/* Perform update */
+	result = dns_client_update(client,
+				   default_rdataclass, /* XXX: fixed */
+				   zname, prereqlistp, &updatelist,
+				   (auth_server == NULL) ? NULL :
+				   &auth_servers, tsec, 0);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr,
+			"update failed: %s\n", dns_result_totext(result));
+	} else
+		fprintf(stderr, "update succeeded\n");
+
+	/* Cleanup */
+	while ((pname = ISC_LIST_HEAD(prereqlist)) != NULL) {
+		while ((rdataset = ISC_LIST_HEAD(pname->list)) != NULL) {
+			ISC_LIST_UNLINK(pname->list, rdataset, link);
+			dns_rdataset_disassociate(rdataset);
+			isc_mem_put(umctx, rdataset, sizeof(*rdataset));
+		}
+		ISC_LIST_UNLINK(prereqlist, pname, link);
+	}
+	while ((uname = ISC_LIST_HEAD(updatelist)) != NULL) {
+		while ((rdataset = ISC_LIST_HEAD(uname->list)) != NULL) {
+			ISC_LIST_UNLINK(uname->list, rdataset, link);
+			dns_rdataset_disassociate(rdataset);
+			isc_mem_put(umctx, rdataset, sizeof(*rdataset));
+		}
+		ISC_LIST_UNLINK(updatelist, uname, link);
+	}
+	while ((rdatalist = ISC_LIST_HEAD(usedrdatalists)) != NULL) {
+		while ((rdata = ISC_LIST_HEAD(rdatalist->rdata)) != NULL) {
+			ISC_LIST_UNLINK(rdatalist->rdata, rdata, link);
+			isc_mem_put(umctx, rdata, sizeof(*rdata));
+		}
+		ISC_LIST_UNLINK(usedrdatalists, rdatalist, link);
+		isc_mem_put(umctx, rdatalist, sizeof(*rdatalist));
+	}
+	while ((buf = ISC_LIST_HEAD(usedbuffers)) != NULL) {
+		ISC_LIST_UNLINK(usedbuffers, buf, link);
+		isc_buffer_free(&buf);
+	}
+	if (tsec != NULL)
+		dns_tsec_destroy(&tsec);
+	isc_mem_destroy(&umctx);
+	dns_client_destroy(&client);
+	dns_lib_shutdown();
+
+	exit(0);
+}
+
+/*
+ *  Subroutines borrowed from nsupdate.c
+ */
+#define MAXWIRE (64 * 1024)
+#define TTL_MAX 2147483647U	/* Maximum signed 32 bit integer. */
+
+static char *
+nsu_strsep(char **stringp, const char *delim) {
+	char *string = *stringp;
+	char *s;
+	const char *d;
+	char sc, dc;
+
+	if (string == NULL)
+		return (NULL);
+
+	for (; *string != '\0'; string++) {
+		sc = *string;
+		for (d = delim; (dc = *d) != '\0'; d++) {
+			if (sc == dc)
+				break;
+		}
+		if (dc == 0)
+			break;
+	}
+
+	for (s = string; *s != '\0'; s++) {
+		sc = *s;
+		for (d = delim; (dc = *d) != '\0'; d++) {
+			if (sc == dc) {
+				*s++ = '\0';
+				*stringp = s;
+				return (string);
+			}
+		}
+	}
+	*stringp = NULL;
+	return (string);
+}
+
+static void
+fatal(const char *format, ...) {
+	va_list args;
+
+	va_start(args, format);
+	vfprintf(stderr, format, args);
+	va_end(args);
+	fprintf(stderr, "\n");
+	exit(1);
+}
+
+static inline void
+check_result(isc_result_t result, const char *msg) {
+	if (result != ISC_R_SUCCESS)
+		fatal("%s: %s", msg, isc_result_totext(result));
+}
+
+static void
+parse_name(char **cmdlinep, dns_name_t *name) {
+	isc_result_t result;
+	char *word;
+	isc_buffer_t source;
+
+	word = nsu_strsep(cmdlinep, " \t\r\n");
+	if (*word == 0) {
+		fprintf(stderr, "could not read owner name\n");
+		exit(1);
+	}
+
+	isc_buffer_init(&source, word, strlen(word));
+	isc_buffer_add(&source, strlen(word));
+	result = dns_name_fromtext(name, &source, dns_rootname, 0, NULL);
+	check_result(result, "dns_name_fromtext");
+	isc_buffer_invalidate(&source);
+}
+
+static void
+parse_rdata(isc_mem_t *mctx, char **cmdlinep, dns_rdataclass_t rdataclass,
+	    dns_rdatatype_t rdatatype, dns_rdata_t *rdata)
+{
+	char *cmdline = *cmdlinep;
+	isc_buffer_t source, *buf = NULL, *newbuf = NULL;
+	isc_region_t r;
+	isc_lex_t *lex = NULL;
+	dns_rdatacallbacks_t callbacks;
+	isc_result_t result;
+
+	while (cmdline != NULL && *cmdline != 0 &&
+	       isspace((unsigned char)*cmdline))
+		cmdline++;
+
+	if (cmdline != NULL && *cmdline != 0) {
+		dns_rdatacallbacks_init(&callbacks);
+		result = isc_lex_create(mctx, strlen(cmdline), &lex);
+		check_result(result, "isc_lex_create");
+		isc_buffer_init(&source, cmdline, strlen(cmdline));
+		isc_buffer_add(&source, strlen(cmdline));
+		result = isc_lex_openbuffer(lex, &source);
+		check_result(result, "isc_lex_openbuffer");
+		result = isc_buffer_allocate(mctx, &buf, MAXWIRE);
+		check_result(result, "isc_buffer_allocate");
+		result = dns_rdata_fromtext(rdata, rdataclass, rdatatype, lex,
+					    dns_rootname, 0, mctx, buf,
+					    &callbacks);
+		isc_lex_destroy(&lex);
+		if (result == ISC_R_SUCCESS) {
+			isc_buffer_usedregion(buf, &r);
+			result = isc_buffer_allocate(mctx, &newbuf, r.length);
+			check_result(result, "isc_buffer_allocate");
+			isc_buffer_putmem(newbuf, r.base, r.length);
+			isc_buffer_usedregion(newbuf, &r);
+			dns_rdata_reset(rdata);
+			dns_rdata_fromregion(rdata, rdataclass, rdatatype, &r);
+			isc_buffer_free(&buf);
+			ISC_LIST_APPEND(usedbuffers, newbuf, link);
+		} else {
+			fprintf(stderr, "invalid rdata format: %s\n",
+				isc_result_totext(result));
+			isc_buffer_free(&buf);
+			exit(1);
+		}
+	} else {
+		rdata->flags = DNS_RDATA_UPDATE;
+	}
+	*cmdlinep = cmdline;
+}
+
+static void
+update_addordelete(isc_mem_t *mctx, char *cmdline, isc_boolean_t isdelete,
+		   dns_name_t *name)
+{
+	isc_result_t result;
+	isc_uint32_t ttl;
+	char *word;
+	dns_rdataclass_t rdataclass;
+	dns_rdatatype_t rdatatype;
+	dns_rdata_t *rdata = NULL;
+	dns_rdatalist_t *rdatalist = NULL;
+	dns_rdataset_t *rdataset = NULL;
+	isc_textregion_t region;
+
+	/*
+	 * Read the owner name.
+	 */
+	parse_name(&cmdline, name);
+
+	rdata = isc_mem_get(mctx, sizeof(*rdata));
+	if (rdata == NULL) {
+		fprintf(stderr, "memory allocation for rdata failed\n");
+		exit(1);
+	}
+	dns_rdata_init(rdata);
+
+	/*
+	 * If this is an add, read the TTL and verify that it's in range.
+	 * If it's a delete, ignore a TTL if present (for compatibility).
+	 */
+	word = nsu_strsep(&cmdline, " \t\r\n");
+	if (word == NULL || *word == 0) {
+		if (!isdelete) {
+			fprintf(stderr, "could not read owner ttl\n");
+			exit(1);
+		}
+		else {
+			ttl = 0;
+			rdataclass = dns_rdataclass_any;
+			rdatatype = dns_rdatatype_any;
+			rdata->flags = DNS_RDATA_UPDATE;
+			goto doneparsing;
+		}
+	}
+	result = isc_parse_uint32(&ttl, word, 10);
+	if (result != ISC_R_SUCCESS) {
+		if (isdelete) {
+			ttl = 0;
+			goto parseclass;
+		} else {
+			fprintf(stderr, "ttl '%s': %s\n", word,
+				isc_result_totext(result));
+			exit(1);
+		}
+	}
+
+	if (isdelete)
+		ttl = 0;
+	else if (ttl > TTL_MAX) {
+		fprintf(stderr, "ttl '%s' is out of range (0 to %u)\n",
+			word, TTL_MAX);
+		exit(1);
+	}
+
+	/*
+	 * Read the class or type.
+	 */
+	word = nsu_strsep(&cmdline, " \t\r\n");
+ parseclass:
+	if (word == NULL || *word == 0) {
+		if (isdelete) {
+			rdataclass = dns_rdataclass_any;
+			rdatatype = dns_rdatatype_any;
+			rdata->flags = DNS_RDATA_UPDATE;
+		goto doneparsing;
+		} else {
+			fprintf(stderr, "could not read class or type\n");
+			exit(1);
+		}
+	}
+	region.base = word;
+	region.length = strlen(word);
+	result = dns_rdataclass_fromtext(&rdataclass, ®ion);
+	if (result == ISC_R_SUCCESS) {
+		/*
+		 * Now read the type.
+		 */
+		word = nsu_strsep(&cmdline, " \t\r\n");
+		if (word == NULL || *word == 0) {
+			if (isdelete) {
+				rdataclass = dns_rdataclass_any;
+				rdatatype = dns_rdatatype_any;
+				rdata->flags = DNS_RDATA_UPDATE;
+				goto doneparsing;
+			} else {
+				fprintf(stderr, "could not read type\n");
+				exit(1);
+			}
+		}
+		region.base = word;
+		region.length = strlen(word);
+		result = dns_rdatatype_fromtext(&rdatatype, ®ion);
+		if (result != ISC_R_SUCCESS) {
+			fprintf(stderr, "'%s' is not a valid type: %s\n",
+				word, isc_result_totext(result));
+			exit(1);
+		}
+	} else {
+		rdataclass = default_rdataclass;
+		result = dns_rdatatype_fromtext(&rdatatype, ®ion);
+		if (result != ISC_R_SUCCESS) {
+			fprintf(stderr, "'%s' is not a valid class or type: "
+				"%s\n", word, isc_result_totext(result));
+			exit(1);
+		}
+	}
+
+	parse_rdata(mctx, &cmdline, rdataclass, rdatatype, rdata);
+
+	if (isdelete) {
+		if ((rdata->flags & DNS_RDATA_UPDATE) != 0)
+			rdataclass = dns_rdataclass_any;
+		else
+			rdataclass = dns_rdataclass_none;
+	} else {
+		if ((rdata->flags & DNS_RDATA_UPDATE) != 0) {
+			fprintf(stderr, "could not read rdata\n");
+			exit(1);
+		}
+	}
+
+ doneparsing:
+
+	rdatalist = isc_mem_get(mctx, sizeof(*rdatalist));
+	if (rdatalist == NULL) {
+		fprintf(stderr, "memory allocation for rdatalist failed\n");
+		exit(1);
+	}
+	dns_rdatalist_init(rdatalist);
+	rdatalist->type = rdatatype;
+	rdatalist->rdclass = rdataclass;
+	rdatalist->covers = rdatatype;
+	rdatalist->ttl = (dns_ttl_t)ttl;
+	ISC_LIST_INIT(rdatalist->rdata);
+	ISC_LIST_APPEND(rdatalist->rdata, rdata, link);
+	ISC_LIST_APPEND(usedrdatalists, rdatalist, link);
+
+	rdataset = isc_mem_get(mctx, sizeof(*rdataset));
+	if (rdataset == NULL) {
+		fprintf(stderr, "memory allocation for rdataset failed\n");
+		exit(1);
+	}
+	dns_rdataset_init(rdataset);
+	dns_rdatalist_tordataset(rdatalist, rdataset);
+	ISC_LIST_INIT(name->list);
+	ISC_LIST_APPEND(name->list, rdataset, link);
+}
+
+static void
+make_prereq(isc_mem_t *mctx, char *cmdline, isc_boolean_t ispositive,
+	    isc_boolean_t isrrset, dns_name_t *name)
+{
+	isc_result_t result;
+	char *word;
+	isc_textregion_t region;
+	dns_rdataset_t *rdataset = NULL;
+	dns_rdatalist_t *rdatalist = NULL;
+	dns_rdataclass_t rdataclass;
+	dns_rdatatype_t rdatatype;
+	dns_rdata_t *rdata = NULL;
+
+	/*
+	 * Read the owner name
+	 */
+	parse_name(&cmdline, name);
+
+	/*
+	 * If this is an rrset prereq, read the class or type.
+	 */
+	if (isrrset) {
+		word = nsu_strsep(&cmdline, " \t\r\n");
+		if (word == NULL || *word == 0) {
+			fprintf(stderr, "could not read class or type\n");
+			exit(1);
+		}
+		region.base = word;
+		region.length = strlen(word);
+		result = dns_rdataclass_fromtext(&rdataclass, ®ion);
+		if (result == ISC_R_SUCCESS) {
+			/*
+			 * Now read the type.
+			 */
+			word = nsu_strsep(&cmdline, " \t\r\n");
+			if (word == NULL || *word == 0) {
+				fprintf(stderr, "could not read type\n");
+				exit(1);
+			}
+			region.base = word;
+			region.length = strlen(word);
+			result = dns_rdatatype_fromtext(&rdatatype, ®ion);
+			if (result != ISC_R_SUCCESS) {
+				fprintf(stderr, "invalid type: %s\n", word);
+				exit(1);
+			}
+		} else {
+			rdataclass = default_rdataclass;
+			result = dns_rdatatype_fromtext(&rdatatype, ®ion);
+			if (result != ISC_R_SUCCESS) {
+				fprintf(stderr, "invalid type: %s\n", word);
+				exit(1);
+			}
+		}
+	} else
+		rdatatype = dns_rdatatype_any;
+
+	rdata = isc_mem_get(mctx, sizeof(*rdata));
+	if (rdata == NULL) {
+		fprintf(stderr, "memory allocation for rdata failed\n");
+		exit(1);
+	}
+	dns_rdata_init(rdata);
+
+	if (isrrset && ispositive)
+		parse_rdata(mctx, &cmdline, rdataclass, rdatatype, rdata);
+	else
+		rdata->flags = DNS_RDATA_UPDATE;
+
+	rdatalist = isc_mem_get(mctx, sizeof(*rdatalist));
+	if (rdatalist == NULL) {
+		fprintf(stderr, "memory allocation for rdatalist failed\n");
+		exit(1);
+	}
+	dns_rdatalist_init(rdatalist);
+	rdatalist->type = rdatatype;
+	if (ispositive) {
+		if (isrrset && rdata->data != NULL)
+			rdatalist->rdclass = rdataclass;
+		else
+			rdatalist->rdclass = dns_rdataclass_any;
+	} else
+		rdatalist->rdclass = dns_rdataclass_none;
+	rdatalist->covers = 0;
+	rdatalist->ttl = 0;
+	rdata->rdclass = rdatalist->rdclass;
+	rdata->type = rdatatype;
+	ISC_LIST_INIT(rdatalist->rdata);
+	ISC_LIST_APPEND(rdatalist->rdata, rdata, link);
+	ISC_LIST_APPEND(usedrdatalists, rdatalist, link);
+
+	rdataset = isc_mem_get(mctx, sizeof(*rdataset));
+	if (rdataset == NULL) {
+		fprintf(stderr, "memory allocation for rdataset failed\n");
+		exit(1);
+	}
+	dns_rdataset_init(rdataset);
+	dns_rdatalist_tordataset(rdatalist, rdataset);
+	ISC_LIST_INIT(name->list);
+	ISC_LIST_APPEND(name->list, rdataset, link);
+}
+
+static void
+evaluate_prereq(isc_mem_t *mctx, char *cmdline, dns_name_t *name) {
+	char *word;
+	isc_boolean_t ispositive, isrrset;
+
+	word = nsu_strsep(&cmdline, " \t\r\n");
+	if (word == NULL || *word == 0) {
+		fprintf(stderr, "could not read operation code\n");
+		exit(1);
+	}
+	if (strcasecmp(word, "nxdomain") == 0) {
+		ispositive = ISC_FALSE;
+		isrrset = ISC_FALSE;
+	} else if (strcasecmp(word, "yxdomain") == 0) {
+		ispositive = ISC_TRUE;
+		isrrset = ISC_FALSE;
+	} else if (strcasecmp(word, "nxrrset") == 0) {
+		ispositive = ISC_FALSE;
+		isrrset = ISC_TRUE;
+	} else if (strcasecmp(word, "yxrrset") == 0) {
+		ispositive = ISC_TRUE;
+		isrrset = ISC_TRUE;
+	} else {
+		fprintf(stderr, "incorrect operation code: %s\n", word);
+		exit(1);
+	}
+
+	make_prereq(mctx, cmdline, ispositive, isrrset, name);
+}
+
+static void
+setup_tsec(char *keyfile, isc_mem_t *mctx) {
+	dst_key_t *dstkey = NULL;
+	isc_result_t result;
+	dns_tsectype_t tsectype;
+
+	result = dst_key_fromnamedfile(keyfile, NULL,
+				       DST_TYPE_PRIVATE | DST_TYPE_KEY, mctx,
+				       &dstkey);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "could not read key from %s: %s\n",
+			keyfile, isc_result_totext(result));
+		exit(1);
+	}
+
+	if (dst_key_alg(dstkey) == DST_ALG_HMACMD5)
+		tsectype = dns_tsectype_tsig;
+	else
+		tsectype = dns_tsectype_sig0;
+
+	result = dns_tsec_create(mctx, tsectype, dstkey, &tsec);
+	dst_key_free(&dstkey);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "could not create tsec: %s\n",
+			isc_result_totext(result));
+		exit(1);
+	}
+}
diff --git a/lib/export/samples/sample.c b/lib/export/samples/sample.c
new file mode 100644
index 0000000..6564f0e
--- /dev/null
+++ b/lib/export/samples/sample.c
@@ -0,0 +1,378 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: sample.c,v 1.5 2009-09-29 15:06:07 fdupont Exp $ */
+
+#include 
+
+#include 
+#include 
+
+#include 
+
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include 
+
+static char *algname;
+
+static isc_result_t
+printdata(dns_rdataset_t *rdataset, dns_name_t *owner) {
+	isc_buffer_t target;
+	isc_result_t result;
+	isc_region_t r;
+	char t[4096];
+
+	if (!dns_rdataset_isassociated(rdataset)) {
+		printf("[WARN: empty]\n");
+		return (ISC_R_SUCCESS);
+	}
+
+	isc_buffer_init(&target, t, sizeof(t));
+
+	result = dns_rdataset_totext(rdataset, owner, ISC_FALSE, ISC_FALSE,
+				     &target);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+	isc_buffer_usedregion(&target, &r);
+	printf("%.*s", (int)r.length, (char *)r.base);
+
+	return (ISC_R_SUCCESS);
+}
+
+ISC_PLATFORM_NORETURN_PRE static void
+usage(void) ISC_PLATFORM_NORETURN_POST;
+
+static void
+usage(void) {
+	fprintf(stderr, "sample [-t RRtype] "
+		"[[-a algorithm] [-e] -k keyname -K keystring] "
+		"[-s domain:serveraddr_for_domain ] "
+		"server_address hostname\n");
+
+	exit(1);
+}
+
+static void
+set_key(dns_client_t *client, char *keynamestr, char *keystr,
+	isc_boolean_t is_sep, isc_mem_t **mctxp)
+{
+	isc_result_t result;
+	dns_fixedname_t fkeyname;
+	size_t namelen;
+	dns_name_t *keyname;
+	dns_rdata_dnskey_t keystruct;
+	unsigned char keydata[4096];
+	isc_buffer_t keydatabuf;
+	unsigned char rrdata[4096];
+	isc_buffer_t rrdatabuf;
+	isc_buffer_t b;
+	isc_textregion_t tr;
+	isc_region_t r;
+	dns_secalg_t alg;
+
+	result = isc_mem_create(0, 0, mctxp);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "failed to crate mctx\n");
+		exit(1);
+	}
+
+	if (algname != NULL) {
+		tr.base = algname;
+		tr.length = strlen(algname);
+		result = dns_secalg_fromtext(&alg, &tr);
+		if (result != ISC_R_SUCCESS) {
+			fprintf(stderr, "failed to identify the algorithm\n");
+			exit(1);
+		}
+	} else
+		alg = DNS_KEYALG_RSASHA1;
+
+	keystruct.common.rdclass = dns_rdataclass_in;
+	keystruct.common.rdtype = dns_rdatatype_dnskey;
+	keystruct.flags = DNS_KEYOWNER_ZONE; /* fixed */
+	if (is_sep)
+		keystruct.flags |= DNS_KEYFLAG_KSK;
+	keystruct.protocol = DNS_KEYPROTO_DNSSEC; /* fixed */
+	keystruct.algorithm = alg;
+
+	isc_buffer_init(&keydatabuf, keydata, sizeof(keydata));
+	isc_buffer_init(&rrdatabuf, rrdata, sizeof(rrdata));
+	result = isc_base64_decodestring(keystr, &keydatabuf);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "base64 decode failed\n");
+		exit(1);
+	}
+	isc_buffer_usedregion(&keydatabuf, &r);
+	keystruct.datalen = r.length;
+	keystruct.data = r.base;
+
+	result = dns_rdata_fromstruct(NULL, keystruct.common.rdclass,
+				      keystruct.common.rdtype,
+				      &keystruct, &rrdatabuf);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "failed to construct key rdata\n");
+		exit(1);
+	}
+	namelen = strlen(keynamestr);
+	isc_buffer_init(&b, keynamestr, namelen);
+	isc_buffer_add(&b, namelen);
+	dns_fixedname_init(&fkeyname);
+	keyname = dns_fixedname_name(&fkeyname);
+	result = dns_name_fromtext(keyname, &b, dns_rootname, 0, NULL);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "failed to construct key name\n");
+		exit(1);
+	}
+	result = dns_client_addtrustedkey(client, dns_rdataclass_in,
+					  keyname, &rrdatabuf);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "failed to add key for %s\n",
+			keynamestr);
+		exit(1);
+	}
+}
+
+static void
+addserver(dns_client_t *client, const char *addrstr, const char *namespace) {
+	struct addrinfo hints, *res;
+	int gai_error;
+	isc_sockaddr_t sa;
+	isc_sockaddrlist_t servers;
+	isc_result_t result;
+	size_t namelen;
+	isc_buffer_t b;
+	dns_fixedname_t fname;
+	dns_name_t *name = NULL;
+
+	memset(&hints, 0, sizeof(hints));
+	hints.ai_family = AF_UNSPEC;
+	hints.ai_socktype = SOCK_DGRAM;
+	hints.ai_protocol = IPPROTO_UDP;
+	hints.ai_flags = AI_NUMERICHOST;
+	gai_error = getaddrinfo(addrstr, "53", &hints, &res);
+	if (gai_error != 0) {
+		fprintf(stderr, "getaddrinfo failed: %s\n",
+			gai_strerror(gai_error));
+		exit(1);
+	}
+	INSIST(res->ai_addrlen <= sizeof(sa.type));
+	memcpy(&sa.type, res->ai_addr, res->ai_addrlen);
+	freeaddrinfo(res);
+	sa.length = res->ai_addrlen;
+	ISC_LINK_INIT(&sa, link);
+	ISC_LIST_INIT(servers);
+	ISC_LIST_APPEND(servers, &sa, link);
+
+	if (namespace != NULL) {
+		namelen = strlen(namespace);
+		isc_buffer_init(&b, namespace, namelen);
+		isc_buffer_add(&b, namelen);
+		dns_fixedname_init(&fname);
+		name = dns_fixedname_name(&fname);
+		result = dns_name_fromtext(name, &b, dns_rootname, 0, NULL);
+		if (result != ISC_R_SUCCESS) {
+			fprintf(stderr, "failed to convert qname: %d\n",
+				result);
+			exit(1);
+		}
+	}
+
+	result = dns_client_setservers(client, dns_rdataclass_in, name,
+				       &servers);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "set server failed: %d\n", result);
+		exit(1);
+	}
+}
+
+int
+main(int argc, char *argv[]) {
+	int ch;
+	isc_textregion_t tr;
+	char *altserver = NULL;
+	char *altserveraddr = NULL;
+	char *altservername = NULL;
+	dns_client_t *client = NULL;
+	char *keynamestr = NULL;
+	char *keystr = NULL;
+	isc_result_t result;
+	isc_buffer_t b;
+	dns_fixedname_t qname0;
+	size_t namelen;
+	dns_name_t *qname, *name;
+	dns_rdatatype_t type = dns_rdatatype_a;
+	dns_rdataset_t *rdataset;
+	dns_namelist_t namelist;
+	isc_mem_t *keymctx = NULL;
+	unsigned int clientopt, resopt;
+	isc_boolean_t is_sep = ISC_FALSE;
+
+	while ((ch = getopt(argc, argv, "a:es:t:k:K:")) != -1) {
+		switch (ch) {
+		case 't':
+			tr.base = optarg;
+			tr.length = strlen(optarg);
+			result = dns_rdatatype_fromtext(&type, &tr);
+			if (result != ISC_R_SUCCESS) {
+				fprintf(stderr,
+					"invalid RRtype: %s\n", optarg);
+				exit(1);
+			}
+			break;
+		case 'a':
+			algname = optarg;
+			break;
+		case 'e':
+			is_sep = ISC_TRUE;
+			break;
+		case 's':
+			if (altserver != NULL) {
+				fprintf(stderr, "alternate server "
+					"already defined: %s\n",
+					altserver);
+				exit(1);
+			}
+			altserver = optarg;
+			break;
+		case 'k':
+			keynamestr = optarg;
+			break;
+		case 'K':
+			keystr = optarg;
+			break;
+		default:
+			usage();
+		}
+	}
+
+	argc -= optind;
+	argv += optind;
+	if (argc < 2)
+		usage();
+
+	if (altserver != NULL) {
+		char *cp;
+
+		cp = strchr(altserver, ':');
+		if (cp == NULL) {
+			fprintf(stderr, "invalid alternate server: %s\n",
+				altserver);
+			exit(1);
+		}
+		*cp = '\0';
+		altservername = altserver;
+		altserveraddr = cp + 1;
+	}
+
+	isc_lib_register();
+	result = dns_lib_init();
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "dns_lib_init failed: %d\n", result);
+		exit(1);
+	}
+
+	clientopt = 0;
+	result = dns_client_create(&client, clientopt);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr, "dns_client_create failed: %d\n", result);
+		exit(1);
+	}
+
+	/* Set the nameserver */
+	addserver(client, argv[0], NULL);
+
+	/* Set the alternate nameserver (when specified) */
+	if (altserver != NULL)
+		addserver(client, altserveraddr, altservername);
+
+	/* Install DNSSEC key (if given) */
+	if (keynamestr != NULL) {
+		if (keystr == NULL) {
+			fprintf(stderr,
+				"key string is missing "
+				"while key name is provided\n");
+			exit(1);
+		}
+		set_key(client, keynamestr, keystr, is_sep, &keymctx);
+	}
+
+	/* Construct qname */
+	namelen = strlen(argv[1]);
+	isc_buffer_init(&b, argv[1], namelen);
+	isc_buffer_add(&b, namelen);
+	dns_fixedname_init(&qname0);
+	qname = dns_fixedname_name(&qname0);
+	result = dns_name_fromtext(qname, &b, dns_rootname, 0, NULL);
+	if (result != ISC_R_SUCCESS)
+		fprintf(stderr, "failed to convert qname: %d\n", result);
+
+	/* Perform resolution */
+	resopt = 0;
+	if (keynamestr == NULL)
+		resopt |= DNS_CLIENTRESOPT_NODNSSEC;
+	ISC_LIST_INIT(namelist);
+	result = dns_client_resolve(client, qname, dns_rdataclass_in, type,
+				    resopt, &namelist);
+	if (result != ISC_R_SUCCESS) {
+		fprintf(stderr,
+			"resolution failed: %s\n", dns_result_totext(result));
+	}
+	for (name = ISC_LIST_HEAD(namelist); name != NULL;
+	     name = ISC_LIST_NEXT(name, link)) {
+		for (rdataset = ISC_LIST_HEAD(name->list);
+		     rdataset != NULL;
+		     rdataset = ISC_LIST_NEXT(rdataset, link)) {
+			if (printdata(rdataset, name) != ISC_R_SUCCESS)
+				fprintf(stderr, "print data failed\n");
+		}
+	}
+
+	dns_client_freeresanswer(client, &namelist);
+
+	/* Cleanup */
+	dns_client_destroy(&client);
+	if (keynamestr != NULL)
+		isc_mem_destroy(&keymctx);
+	dns_lib_shutdown();
+
+	exit(0);
+}
diff --git a/lib/irs/Makefile.in b/lib/irs/Makefile.in
new file mode 100644
index 0000000..3f9bfb3
--- /dev/null
+++ b/lib/irs/Makefile.in
@@ -0,0 +1,80 @@
+# Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile.in,v 1.3 2009-09-02 23:48:02 tbox Exp $
+
+srcdir =	@srcdir@
+VPATH =		@srcdir@
+top_srcdir =	@top_srcdir@
+
+@BIND9_VERSION@
+
+@LIBIRS_API@
+
+@BIND9_MAKE_INCLUDES@
+
+CINCLUDES =	-I. -I./include -I${srcdir}/include \
+		${DNS_INCLUDES} ${ISC_INCLUDES} ${ISCCFG_INCLUDES}
+
+CDEFINES =
+CWARNINGS =
+
+# Alphabetically
+OBJS =		context.@O@ \
+		dnsconf.@O@ \
+		gai_strerror.@O@ getaddrinfo.@O@ getnameinfo.@O@ \
+		resconf.@O@
+
+# Alphabetically
+SRCS =		context.c \
+		dnsconf.c \
+		gai_sterror.c getaddrinfo.c getnameinfo.c \
+		resconf.c
+
+LIBS =		@LIBS@
+
+SUBDIRS =	include
+TARGETS =	timestamp
+
+@BIND9_MAKE_RULES@
+
+version.@O@: version.c
+	${LIBTOOL_MODE_COMPILE} ${CC} ${ALL_CFLAGS} \
+		-DVERSION=\"${VERSION}\" \
+		-DLIBINTERFACE=${LIBINTERFACE} \
+		-DLIBREVISION=${LIBREVISION} \
+		-DLIBAGE=${LIBAGE} \
+		-c ${srcdir}/version.c
+
+libirs.@SA@: ${OBJS} version.@O@
+	${AR} ${ARFLAGS} $@ ${OBJS} version.@O@
+	${RANLIB} $@
+
+libirs.la: ${OBJS} version.@O@
+	${LIBTOOL_MODE_LINK} \
+		${CC} ${ALL_CFLAGS} ${LDFLAGS} -o libirs.la -rpath ${libdir} \
+		-version-info ${LIBINTERFACE}:${LIBREVISION}:${LIBAGE} \
+		${OBJS} version.@O@ ${LIBS}
+
+timestamp: libirs.@A@
+	touch timestamp
+
+installdirs:
+	$(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${libdir}
+
+install:: timestamp installdirs
+	${LIBTOOL_MODE_INSTALL} ${INSTALL_DATA} libirs.@A@ ${DESTDIR}${libdir}
+
+clean distclean::
+	rm -f libirs.@A@ libirs.la timestamp
diff --git a/lib/irs/api b/lib/irs/api
new file mode 100644
index 0000000..94575eb
--- /dev/null
+++ b/lib/irs/api
@@ -0,0 +1,3 @@
+LIBINTERFACE = 80
+LIBREVISION = 0
+LIBAGE = 0
diff --git a/lib/irs/context.c b/lib/irs/context.c
new file mode 100644
index 0000000..0c6d856
--- /dev/null
+++ b/lib/irs/context.c
@@ -0,0 +1,396 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: context.c,v 1.3 2009-09-02 23:48:02 tbox Exp $ */
+
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include 
+#include 
+
+#include 
+#include 
+#include 
+
+#define IRS_CONTEXT_MAGIC		ISC_MAGIC('I', 'R', 'S', 'c')
+#define IRS_CONTEXT_VALID(c)		ISC_MAGIC_VALID(c, IRS_CONTEXT_MAGIC)
+
+#ifndef RESOLV_CONF
+/*% location of resolve.conf */
+#define RESOLV_CONF "/etc/resolv.conf"
+#endif
+
+#ifndef DNS_CONF
+/*% location of dns.conf */
+#define DNS_CONF "/etc/dns.conf"
+#endif
+
+#ifndef ISC_PLATFORM_USETHREADS
+irs_context_t *irs_g_context = NULL;
+#else
+static isc_boolean_t thread_key_initialized = ISC_FALSE;
+static isc_mutex_t thread_key_mutex;
+static isc_thread_key_t irs_context_key;
+static isc_once_t once = ISC_ONCE_INIT;
+#endif
+
+
+struct irs_context {
+	/*
+	 * An IRS context is a thread-specific object, and does not need to
+	 * be locked.
+	 */
+	unsigned int			magic;
+	isc_mem_t			*mctx;
+	isc_appctx_t			*actx;
+	isc_taskmgr_t			*taskmgr;
+	isc_task_t			*task;
+	isc_socketmgr_t			*socketmgr;
+	isc_timermgr_t			*timermgr;
+	dns_client_t			*dnsclient;
+	irs_resconf_t			*resconf;
+	irs_dnsconf_t			*dnsconf;
+};
+
+static void
+ctxs_destroy(isc_mem_t **mctxp, isc_appctx_t **actxp,
+	     isc_taskmgr_t **taskmgrp, isc_socketmgr_t **socketmgrp,
+	     isc_timermgr_t **timermgrp)
+{
+	if (taskmgrp != NULL)
+		isc_taskmgr_destroy(taskmgrp);
+
+	if (timermgrp != NULL)
+		isc_timermgr_destroy(timermgrp);
+
+	if (socketmgrp != NULL)
+		isc_socketmgr_destroy(socketmgrp);
+
+	if (actxp != NULL)
+		isc_appctx_destroy(actxp);
+
+	if (mctxp != NULL)
+		isc_mem_destroy(mctxp);
+}
+
+static isc_result_t
+ctxs_init(isc_mem_t **mctxp, isc_appctx_t **actxp,
+	  isc_taskmgr_t **taskmgrp, isc_socketmgr_t **socketmgrp,
+	  isc_timermgr_t **timermgrp)
+{
+	isc_result_t result;
+
+	result = isc_mem_create(0, 0, mctxp);
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+
+	result = isc_appctx_create(*mctxp, actxp);
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+
+	result = isc_taskmgr_createinctx(*mctxp, *actxp, 1, 0, taskmgrp);
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+
+	result = isc_socketmgr_createinctx(*mctxp, *actxp, socketmgrp);
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+
+	result = isc_timermgr_createinctx(*mctxp, *actxp, timermgrp);
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+
+	return (ISC_R_SUCCESS);
+
+ fail:
+	ctxs_destroy(mctxp, actxp, taskmgrp, socketmgrp, timermgrp);
+
+	return (result);
+}
+
+#ifdef ISC_PLATFORM_USETHREADS
+static void
+free_specific_context(void *arg) {
+	irs_context_t *context = arg;
+
+	irs_context_destroy(&context);
+
+	isc_thread_key_setspecific(irs_context_key, NULL);
+}
+
+static void
+thread_key_mutex_init(void) {
+	RUNTIME_CHECK(isc_mutex_init(&thread_key_mutex) == ISC_R_SUCCESS);
+}
+
+static isc_result_t
+thread_key_init() {
+	isc_result_t result;
+
+	result = isc_once_do(&once, thread_key_mutex_init);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+
+	if (!thread_key_initialized) {
+		LOCK(&thread_key_mutex);
+
+		if (!thread_key_initialized &&
+		    isc_thread_key_create(&irs_context_key,
+					  free_specific_context) != 0) {
+			result = ISC_R_FAILURE;
+		} else
+			thread_key_initialized = ISC_TRUE;
+
+		UNLOCK(&thread_key_mutex);
+	}
+
+	return (result);
+}
+#endif /* ISC_PLATFORM_USETHREADS */
+
+isc_result_t
+irs_context_get(irs_context_t **contextp) {
+	irs_context_t *context;
+	isc_result_t result;
+
+	REQUIRE(contextp != NULL && *contextp == NULL);
+
+#ifndef ISC_PLATFORM_USETHREADS
+	if (irs_g_context == NULL) {
+		result = irs_context_create(&irs_g_context);
+		if (result != ISC_R_SUCCESS)
+			return (result);
+	}
+
+	context = irs_g_context;
+#else
+	result = thread_key_init();
+	if (result != ISC_R_SUCCESS)
+		return (result);
+
+	context = isc_thread_key_getspecific(irs_context_key);
+	if (context == NULL) {
+		result = irs_context_create(&context);
+		if (result != ISC_R_SUCCESS)
+			return (result);
+		result = isc_thread_key_setspecific(irs_context_key, context);
+		if (result != ISC_R_SUCCESS) {
+			irs_context_destroy(&context);
+			return (result);
+		}
+	}
+#endif /* ISC_PLATFORM_USETHREADS */
+
+	*contextp = context;
+
+	return (ISC_R_SUCCESS);
+}
+
+isc_result_t
+irs_context_create(irs_context_t **contextp) {
+	isc_result_t result;
+	irs_context_t *context;
+	isc_appctx_t *actx = NULL;
+	isc_mem_t *mctx = NULL;
+	isc_taskmgr_t *taskmgr = NULL;
+	isc_socketmgr_t *socketmgr = NULL;
+	isc_timermgr_t *timermgr = NULL;
+	dns_client_t *client = NULL;
+	isc_sockaddrlist_t *nameservers;
+	irs_dnsconf_dnskeylist_t *trustedkeys;
+	irs_dnsconf_dnskey_t *trustedkey;
+
+	isc_lib_register();
+	result = dns_lib_init();
+	if (result != ISC_R_SUCCESS)
+		return (result);
+
+	result = ctxs_init(&mctx, &actx, &taskmgr, &socketmgr, &timermgr);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+
+	result = isc_app_ctxstart(actx);
+	if (result != ISC_R_SUCCESS) {
+		ctxs_destroy(&mctx, &actx, &taskmgr, &socketmgr, &timermgr);
+		return (result);
+	}
+
+	context = isc_mem_get(mctx, sizeof(*context));
+	if (context == NULL) {
+		ctxs_destroy(&mctx, &actx, &taskmgr, &socketmgr, &timermgr);
+		return (ISC_R_NOMEMORY);
+	}
+
+	context->mctx = mctx;
+	context->actx = actx;
+	context->taskmgr = taskmgr;
+	context->socketmgr = socketmgr;
+	context->timermgr = timermgr;
+	context->resconf = NULL;
+	context->dnsconf = NULL;
+	context->task = NULL;
+	result = isc_task_create(taskmgr, 0, &context->task);
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+
+	/* Create a DNS client object */
+	result = dns_client_createx(mctx, actx, taskmgr, socketmgr, timermgr,
+				    0, &client);
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+	context->dnsclient = client;
+
+	/* Read resolver configuration file */
+	result = irs_resconf_load(mctx, RESOLV_CONF, &context->resconf);
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+	/* Set nameservers */
+	nameservers = irs_resconf_getnameservers(context->resconf);
+	result = dns_client_setservers(client, dns_rdataclass_in, NULL,
+				       nameservers);
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+
+	/* Read advanced DNS configuration (if any) */
+	result = irs_dnsconf_load(mctx, DNS_CONF, &context->dnsconf);
+	if (result != ISC_R_SUCCESS)
+		goto fail;
+	trustedkeys = irs_dnsconf_gettrustedkeys(context->dnsconf);
+	for (trustedkey = ISC_LIST_HEAD(*trustedkeys);
+	     trustedkey != NULL;
+	     trustedkey = ISC_LIST_NEXT(trustedkey, link)) {
+		result = dns_client_addtrustedkey(client, dns_rdataclass_in,
+						  trustedkey->keyname,
+						  trustedkey->keydatabuf);
+		if (result != ISC_R_SUCCESS)
+			goto fail;
+	}
+
+	context->magic = IRS_CONTEXT_MAGIC;
+	*contextp = context;
+
+	return (ISC_R_SUCCESS);
+
+  fail:
+	if (context->task != NULL)
+		isc_task_detach(&context->task);
+	if (context->resconf != NULL)
+		irs_resconf_destroy(&context->resconf);
+	if (context->dnsconf != NULL)
+		irs_dnsconf_destroy(&context->dnsconf);
+	if (client != NULL)
+		dns_client_destroy(&client);
+	ctxs_destroy(NULL, &actx, &taskmgr, &socketmgr, &timermgr);
+	isc_mem_putanddetach(&mctx, context, sizeof(*context));
+
+	return (result);
+}
+
+void
+irs_context_destroy(irs_context_t **contextp) {
+	irs_context_t *context;
+
+	REQUIRE(contextp != NULL);
+	context = *contextp;
+	REQUIRE(IRS_CONTEXT_VALID(context));
+
+	isc_task_detach(&context->task);
+	irs_dnsconf_destroy(&context->dnsconf);
+	irs_resconf_destroy(&context->resconf);
+	dns_client_destroy(&context->dnsclient);
+
+	ctxs_destroy(NULL, &context->actx, &context->taskmgr,
+		     &context->socketmgr, &context->timermgr);
+
+	context->magic = 0;
+
+	isc_mem_putanddetach(&context->mctx, context, sizeof(*context));
+
+	*contextp = NULL;
+
+#ifndef ISC_PLATFORM_USETHREADS
+	irs_g_context = NULL;
+#else
+	(void)isc_thread_key_setspecific(irs_context_key, NULL);
+#endif
+}
+
+isc_mem_t *
+irs_context_getmctx(irs_context_t *context) {
+	REQUIRE(IRS_CONTEXT_VALID(context));
+
+	return (context->mctx);
+}
+
+isc_appctx_t *
+irs_context_getappctx(irs_context_t *context) {
+	REQUIRE(IRS_CONTEXT_VALID(context));
+
+	return (context->actx);
+}
+
+isc_taskmgr_t *
+irs_context_gettaskmgr(irs_context_t *context) {
+	REQUIRE(IRS_CONTEXT_VALID(context));
+
+	return (context->taskmgr);
+}
+
+isc_timermgr_t *
+irs_context_gettimermgr(irs_context_t *context) {
+	REQUIRE(IRS_CONTEXT_VALID(context));
+
+	return (context->timermgr);
+}
+
+isc_task_t *
+irs_context_gettask(irs_context_t *context) {
+	REQUIRE(IRS_CONTEXT_VALID(context));
+
+	return (context->task);
+}
+
+dns_client_t *
+irs_context_getdnsclient(irs_context_t *context) {
+	REQUIRE(IRS_CONTEXT_VALID(context));
+
+	return (context->dnsclient);
+}
+
+irs_resconf_t *
+irs_context_getresconf(irs_context_t *context) {
+	REQUIRE(IRS_CONTEXT_VALID(context));
+
+	return (context->resconf);
+}
+
+irs_dnsconf_t *
+irs_context_getdnsconf(irs_context_t *context) {
+	REQUIRE(IRS_CONTEXT_VALID(context));
+
+	return (context->dnsconf);
+}
diff --git a/lib/irs/dnsconf.c b/lib/irs/dnsconf.c
new file mode 100644
index 0000000..8464d6d
--- /dev/null
+++ b/lib/irs/dnsconf.c
@@ -0,0 +1,269 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: dnsconf.c,v 1.3 2009-09-02 23:48:02 tbox Exp $ */
+
+/*! \file */
+
+#include 
+
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include 
+
+#include 
+#include 
+#include 
+#include 
+
+#include 
+
+#define IRS_DNSCONF_MAGIC		ISC_MAGIC('D', 'c', 'f', 'g')
+#define IRS_DNSCONF_VALID(c)		ISC_MAGIC_VALID(c, IRS_DNSCONF_MAGIC)
+
+/*!
+ * configuration data structure
+ */
+
+struct irs_dnsconf {
+	unsigned int magic;
+	isc_mem_t *mctx;
+	irs_dnsconf_dnskeylist_t trusted_keylist;
+};
+
+static isc_result_t
+configure_dnsseckeys(irs_dnsconf_t *conf, cfg_obj_t *cfgobj,
+		     dns_rdataclass_t rdclass)
+{
+	isc_mem_t *mctx = conf->mctx;
+	const cfg_obj_t *keys = NULL;
+	const cfg_obj_t *key, *keylist;
+	dns_fixedname_t fkeyname;
+	dns_name_t *keyname_base, *keyname;
+	const cfg_listelt_t *element, *element2;
+	isc_result_t result;
+	isc_uint32_t flags, proto, alg;
+	const char *keystr, *keynamestr;
+	unsigned char keydata[4096];
+	isc_buffer_t keydatabuf_base, *keydatabuf;
+	dns_rdata_dnskey_t keystruct;
+	unsigned char rrdata[4096];
+	isc_buffer_t rrdatabuf;
+	isc_region_t r;
+	isc_buffer_t namebuf;
+	irs_dnsconf_dnskey_t *keyent;
+
+	cfg_map_get(cfgobj, "trusted-keys", &keys);
+	if (keys == NULL)
+		return (ISC_R_SUCCESS);
+
+	for (element = cfg_list_first(keys);
+	     element != NULL;
+	     element = cfg_list_next(element)) {
+		keylist = cfg_listelt_value(element);
+		for (element2 = cfg_list_first(keylist);
+		     element2 != NULL;
+		     element2 = cfg_list_next(element2))
+		{
+			keydatabuf = NULL;
+			keyname = NULL;
+
+			key = cfg_listelt_value(element2);
+
+			flags = cfg_obj_asuint32(cfg_tuple_get(key, "flags"));
+			proto = cfg_obj_asuint32(cfg_tuple_get(key,
+							       "protocol"));
+			alg = cfg_obj_asuint32(cfg_tuple_get(key,
+							     "algorithm"));
+			keynamestr = cfg_obj_asstring(cfg_tuple_get(key,
+								    "name"));
+
+			keystruct.common.rdclass = rdclass;
+			keystruct.common.rdtype = dns_rdatatype_dnskey;
+			keystruct.mctx = NULL;
+			ISC_LINK_INIT(&keystruct.common, link);
+
+			if (flags > 0xffff)
+				return (ISC_R_RANGE);
+			if (proto > 0xff)
+				return (ISC_R_RANGE);
+			if (alg > 0xff)
+				return (ISC_R_RANGE);
+			keystruct.flags = (isc_uint16_t)flags;
+			keystruct.protocol = (isc_uint8_t)proto;
+			keystruct.algorithm = (isc_uint8_t)alg;
+
+			isc_buffer_init(&keydatabuf_base, keydata,
+					sizeof(keydata));
+			isc_buffer_init(&rrdatabuf, rrdata, sizeof(rrdata));
+
+			/* Configure key value */
+			keystr = cfg_obj_asstring(cfg_tuple_get(key, "key"));
+			result = isc_base64_decodestring(keystr,
+							 &keydatabuf_base);
+			if (result != ISC_R_SUCCESS)
+				return (result);
+			isc_buffer_usedregion(&keydatabuf_base, &r);
+			keystruct.datalen = r.length;
+			keystruct.data = r.base;
+
+			result = dns_rdata_fromstruct(NULL,
+						      keystruct.common.rdclass,
+						      keystruct.common.rdtype,
+						      &keystruct, &rrdatabuf);
+			if (result != ISC_R_SUCCESS)
+				return (result);
+			isc_buffer_usedregion(&rrdatabuf, &r);
+			result = isc_buffer_allocate(mctx, &keydatabuf,
+						     r.length);
+			if (result != ISC_R_SUCCESS)
+				return (result);
+			result = isc_buffer_copyregion(keydatabuf, &r);
+			if (result != ISC_R_SUCCESS)
+				goto cleanup;
+
+			/* Configure key name */
+			dns_fixedname_init(&fkeyname);
+			keyname_base = dns_fixedname_name(&fkeyname);
+			isc_buffer_init(&namebuf, keynamestr,
+					strlen(keynamestr));
+			isc_buffer_add(&namebuf, strlen(keynamestr));
+			result = dns_name_fromtext(keyname_base, &namebuf,
+						   dns_rootname, 0, NULL);
+			if (result != ISC_R_SUCCESS)
+				return (result);
+			keyname = isc_mem_get(mctx, sizeof(*keyname));
+			if (keyname == NULL) {
+				result = ISC_R_NOMEMORY;
+				goto cleanup;
+			}
+			dns_name_init(keyname, NULL);
+			result = dns_name_dup(keyname_base, mctx, keyname);
+			if (result != ISC_R_SUCCESS)
+				goto cleanup;
+
+			/* Add the key data to the list */
+			keyent = isc_mem_get(mctx, sizeof(*keyent));
+			if (keyent == NULL) {
+				dns_name_free(keyname, mctx);
+				result = ISC_R_NOMEMORY;
+				goto cleanup;
+			}
+			keyent->keyname = keyname;
+			keyent->keydatabuf = keydatabuf;
+
+			ISC_LIST_APPEND(conf->trusted_keylist, keyent, link);
+		}
+	}
+
+	return (ISC_R_SUCCESS);
+
+ cleanup:
+	if (keydatabuf != NULL)
+		isc_buffer_free(&keydatabuf);
+	if (keyname != NULL)
+		isc_mem_put(mctx, keyname, sizeof(*keyname));
+
+	return (result);
+}
+
+isc_result_t
+irs_dnsconf_load(isc_mem_t *mctx, const char *filename, irs_dnsconf_t **confp)
+{
+	irs_dnsconf_t *conf;
+	cfg_parser_t *parser = NULL;
+	cfg_obj_t *cfgobj = NULL;
+	isc_result_t result = ISC_R_SUCCESS;
+
+	REQUIRE(confp != NULL && *confp == NULL);
+
+	conf = isc_mem_get(mctx, sizeof(*conf));
+	if (conf == NULL)
+		return (ISC_R_NOMEMORY);
+
+	conf->mctx = mctx;
+	ISC_LIST_INIT(conf->trusted_keylist);
+
+	/*
+	 * If the specified file does not exist, we'll simply with an empty
+	 * configuration.
+	 */
+	if (!isc_file_exists(filename))
+		goto cleanup;
+
+	result = cfg_parser_create(mctx, NULL, &parser);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+
+	result = cfg_parse_file(parser, filename, &cfg_type_dnsconf,
+				&cfgobj);
+	if (result != ISC_R_SUCCESS)
+		goto cleanup;
+
+	result = configure_dnsseckeys(conf, cfgobj, dns_rdataclass_in);
+
+ cleanup:
+	if (parser != NULL) {
+		if (cfgobj != NULL)
+			cfg_obj_destroy(parser, &cfgobj);
+		cfg_parser_destroy(&parser);
+	}
+
+	conf->magic = IRS_DNSCONF_MAGIC;
+
+	if (result == ISC_R_SUCCESS)
+		*confp = conf;
+	else
+		irs_dnsconf_destroy(&conf);
+
+	return (result);
+}
+
+void
+irs_dnsconf_destroy(irs_dnsconf_t **confp) {
+	irs_dnsconf_t *conf;
+	irs_dnsconf_dnskey_t *keyent;
+
+	REQUIRE(confp != NULL);
+	conf = *confp;
+	REQUIRE(IRS_DNSCONF_VALID(conf));
+
+	while ((keyent = ISC_LIST_HEAD(conf->trusted_keylist)) != NULL) {
+		ISC_LIST_UNLINK(conf->trusted_keylist, keyent, link);
+
+		isc_buffer_free(&keyent->keydatabuf);
+		dns_name_free(keyent->keyname, conf->mctx);
+		isc_mem_put(conf->mctx, keyent->keyname, sizeof(dns_name_t));
+		isc_mem_put(conf->mctx, keyent, sizeof(*keyent));
+	}
+
+	isc_mem_put(conf->mctx, conf, sizeof(*conf));
+
+	*confp = NULL;
+}
+
+irs_dnsconf_dnskeylist_t *
+irs_dnsconf_gettrustedkeys(irs_dnsconf_t *conf) {
+	REQUIRE(IRS_DNSCONF_VALID(conf));
+
+	return (&conf->trusted_keylist);
+}
diff --git a/lib/irs/gai_strerror.c b/lib/irs/gai_strerror.c
new file mode 100644
index 0000000..aa021ef
--- /dev/null
+++ b/lib/irs/gai_strerror.c
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: gai_strerror.c,v 1.5 2009-09-02 23:48:02 tbox Exp $ */
+
+/*! \file gai_strerror.c
+ * gai_strerror() returns an error message corresponding to an
+ * error code returned by getaddrinfo() and getnameinfo(). The following error
+ * codes and their meaning are defined in
+ * \link netdb.h include/irs/netdb.h.\endlink
+ * This implementation is almost an exact copy of lwres/gai_sterror.c except
+ * that it catches up the latest API standard, RFC3493.
+ *
+ * \li #EAI_ADDRFAMILY address family for hostname not supported
+ * \li #EAI_AGAIN temporary failure in name resolution
+ * \li #EAI_BADFLAGS invalid value for ai_flags
+ * \li #EAI_FAIL non-recoverable failure in name resolution
+ * \li #EAI_FAMILY ai_family not supported
+ * \li #EAI_MEMORY memory allocation failure
+ * \li #EAI_NODATA no address associated with hostname (obsoleted in RFC3493)
+ * \li #EAI_NONAME hostname nor servname provided, or not known
+ * \li #EAI_SERVICE servname not supported for ai_socktype
+ * \li #EAI_SOCKTYPE ai_socktype not supported
+ * \li #EAI_SYSTEM system error returned in errno
+ * \li #EAI_BADHINTS Invalid value for hints (non-standard)
+ * \li #EAI_PROTOCOL Resolved protocol is unknown (non-standard)
+ * \li #EAI_OVERFLOW Argument buffer overflow
+ * \li #EAI_INSECUREDATA Insecure Data (experimental)
+ *
+ * The message invalid error code is returned if ecode is out of range.
+ *
+ * ai_flags, ai_family and ai_socktype are elements of the struct
+ * addrinfo used by lwres_getaddrinfo().
+ *
+ * \section gai_strerror_see See Also
+ *
+ * strerror(), getaddrinfo(), getnameinfo(), RFC3493.
+ */
+#include 
+
+#include 
+
+/*% Text of error messages. */
+static const char *gai_messages[] = {
+	"no error",
+	"address family for hostname not supported",
+	"temporary failure in name resolution",
+	"invalid value for ai_flags",
+	"non-recoverable failure in name resolution",
+	"ai_family not supported",
+	"memory allocation failure",
+	"no address associated with hostname",
+	"hostname nor servname provided, or not known",
+	"servname not supported for ai_socktype",
+	"ai_socktype not supported",
+	"system error returned in errno",
+	"bad hints",
+	"bad protocol",
+	"argument buffer overflow",
+	"insecure data provided"
+};
+
+/*%
+ * Returns an error message corresponding to an error code returned by
+ * getaddrinfo() and getnameinfo()
+ */
+IRS_GAISTRERROR_RETURN_T
+gai_strerror(int ecode) {
+	union {
+		const char *const_ptr;
+		char *deconst_ptr;
+	} ptr;
+
+	if ((ecode < 0) ||
+	    (ecode >= (int)(sizeof(gai_messages)/sizeof(*gai_messages))))
+		ptr.const_ptr = "invalid error code";
+	else
+		ptr.const_ptr = gai_messages[ecode];
+	return (ptr.deconst_ptr);
+}
diff --git a/lib/irs/getaddrinfo.c b/lib/irs/getaddrinfo.c
new file mode 100644
index 0000000..e7075da
--- /dev/null
+++ b/lib/irs/getaddrinfo.c
@@ -0,0 +1,1295 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: getaddrinfo.c,v 1.3 2009-09-02 23:48:02 tbox Exp $ */
+
+/*! \file */
+
+/**
+ *    getaddrinfo() is used to get a list of IP addresses and port
+ *    numbers for host hostname and service servname as defined in RFC3493.
+ *    hostname and servname are pointers to null-terminated strings
+ *    or NULL. hostname is either a host name or a numeric host address
+ *    string: a dotted decimal IPv4 address or an IPv6 address. servname is
+ *    either a decimal port number or a service name as listed in
+ *    /etc/services.
+ *
+ *    If the operating system does not provide a struct addrinfo, the
+ *    following structure is used:
+ *
+ * \code
+ * struct  addrinfo {
+ *         int             ai_flags;       // AI_PASSIVE, AI_CANONNAME
+ *         int             ai_family;      // PF_xxx
+ *         int             ai_socktype;    // SOCK_xxx
+ *         int             ai_protocol;    // 0 or IPPROTO_xxx for IPv4 and IPv6
+ *         size_t          ai_addrlen;     // length of ai_addr
+ *         char            *ai_canonname;  // canonical name for hostname
+ *         struct sockaddr *ai_addr;       // binary address
+ *         struct addrinfo *ai_next;       // next structure in linked list
+ * };
+ * \endcode
+ *
+ *
+ *    hints is an optional pointer to a struct addrinfo. This structure can
+ *    be used to provide hints concerning the type of socket that the caller
+ *    supports or wishes to use. The caller can supply the following
+ *    structure elements in *hints:
+ *
+ * 
      
+ *    
    • ai_family:
+ *           The protocol family that should be used. When ai_family is set
+ *           to PF_UNSPEC, it means the caller will accept any protocol
+ *           family supported by the operating system.
      • 
+ *
+ *    
    • ai_socktype:
+ *           denotes the type of socket -- SOCK_STREAM, SOCK_DGRAM or
+ *           SOCK_RAW -- that is wanted. When ai_socktype is zero the caller
+ *           will accept any socket type.
      • 
+ *
+ *    
    • ai_protocol:
+ *           indicates which transport protocol is wanted: IPPROTO_UDP or
+ *           IPPROTO_TCP. If ai_protocol is zero the caller will accept any
+ *           protocol.
      • 
+ *
+ *    
    • ai_flags:
+ *           Flag bits. If the AI_CANONNAME bit is set, a successful call to
+ *           getaddrinfo() will return a null-terminated string
+ *           containing the canonical name of the specified hostname in
+ *           ai_canonname of the first addrinfo structure returned. Setting
+ *           the AI_PASSIVE bit indicates that the returned socket address
+ *           structure is intended for used in a call to bind(2). In this
+ *           case, if the hostname argument is a NULL pointer, then the IP
+ *           address portion of the socket address structure will be set to
+ *           INADDR_ANY for an IPv4 address or IN6ADDR_ANY_INIT for an IPv6
+ *           address.

      
+ *
+ *           When ai_flags does not set the AI_PASSIVE bit, the returned
+ *           socket address structure will be ready for use in a call to
+ *           connect(2) for a connection-oriented protocol or connect(2),
+ *           sendto(2), or sendmsg(2) if a connectionless protocol was
+ *           chosen. The IP address portion of the socket address structure
+ *           will be set to the loopback address if hostname is a NULL
+ *           pointer and AI_PASSIVE is not set in ai_flags.

      
+ *
+ *           If ai_flags is set to AI_NUMERICHOST it indicates that hostname
+ *           should be treated as a numeric string defining an IPv4 or IPv6
+ *           address and no name resolution should be attempted.
+ * 
    
+ *
+ *    All other elements of the struct addrinfo passed via hints must be
+ *    zero.
+ *
+ *    A hints of NULL is treated as if the caller provided a struct addrinfo
+ *    initialized to zero with ai_familyset to PF_UNSPEC.
+ *
+ *    After a successful call to getaddrinfo(), *res is a pointer to a
+ *    linked list of one or more addrinfo structures. Each struct addrinfo
+ *    in this list cn be processed by following the ai_next pointer, until a
+ *    NULL pointer is encountered. The three members ai_family, ai_socktype,
+ *    and ai_protocol in each returned addrinfo structure contain the
+ *    corresponding arguments for a call to socket(2). For each addrinfo
+ *    structure in the list, the ai_addr member points to a filled-in socket
+ *    address structure of length ai_addrlen.
+ *
+ *    All of the information returned by getaddrinfo() is dynamically
+ *    allocated: the addrinfo structures, and the socket address structures
+ *    and canonical host name strings pointed to by the addrinfostructures.
+ *    Memory allocated for the dynamically allocated structures created by a
+ *    successful call to getaddrinfo() is released by freeaddrinfo().
+ *    ai is a pointer to a struct addrinfo created by a call to getaddrinfo().
+ *
+ * \section irsreturn RETURN VALUES
+ *
+ *    getaddrinfo() returns zero on success or one of the error codes
+ *    listed in gai_strerror() if an error occurs. If both hostname and
+ *    servname are NULL getaddrinfo() returns #EAI_NONAME.
+ *
+ * \section irssee SEE ALSO
+ *
+ *    getaddrinfo(), freeaddrinfo(),
+ *    gai_strerror(), RFC3493, getservbyname(3), connect(2),
+ *    sendto(2), sendmsg(2), socket(2).
+ */
+
+#include 
+
+#include 
+#include 
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include 
+#include 
+#include 
+
+#define SA(addr)	((struct sockaddr *)(addr))
+#define SIN(addr)	((struct sockaddr_in *)(addr))
+#define SIN6(addr)	((struct sockaddr_in6 *)(addr))
+#define SLOCAL(addr)	((struct sockaddr_un *)(addr))
+
+/*! \struct addrinfo
+ */
+static struct addrinfo
+	*ai_concat(struct addrinfo *ai1, struct addrinfo *ai2),
+	*ai_reverse(struct addrinfo *oai),
+	*ai_clone(struct addrinfo *oai, int family),
+	*ai_alloc(int family, int addrlen);
+#ifdef AF_LOCAL
+static int get_local(const char *name, int socktype, struct addrinfo **res);
+#endif
+
+static int
+resolve_name(int family, const char *hostname, int flags,
+	     struct addrinfo **aip, int socktype, int port);
+
+static int add_ipv4(const char *hostname, int flags, struct addrinfo **aip,
+		    int socktype, int port);
+static int add_ipv6(const char *hostname, int flags, struct addrinfo **aip,
+		    int socktype, int port);
+static void set_order(int, int (**)(const char *, int, struct addrinfo **,
+				    int, int));
+
+#define FOUND_IPV4	0x1
+#define FOUND_IPV6	0x2
+#define FOUND_MAX	2
+
+#define ISC_AI_MASK (AI_PASSIVE|AI_CANONNAME|AI_NUMERICHOST)
+/*%
+ * Get a list of IP addresses and port numbers for host hostname and
+ * service servname.
+ */
+int
+getaddrinfo(const char *hostname, const char *servname,
+	    const struct addrinfo *hints, struct addrinfo **res)
+{
+	struct servent *sp;
+	const char *proto;
+	int family, socktype, flags, protocol;
+	struct addrinfo *ai, *ai_list;
+	int err = 0;
+	int port, i;
+	int (*net_order[FOUND_MAX+1])(const char *, int, struct addrinfo **,
+				      int, int);
+
+	if (hostname == NULL && servname == NULL)
+		return (EAI_NONAME);
+
+	proto = NULL;
+	if (hints != NULL) {
+		if ((hints->ai_flags & ~(ISC_AI_MASK)) != 0)
+			return (EAI_BADFLAGS);
+		if (hints->ai_addrlen || hints->ai_canonname ||
+		    hints->ai_addr || hints->ai_next) {
+			errno = EINVAL;
+			return (EAI_SYSTEM);
+		}
+		family = hints->ai_family;
+		socktype = hints->ai_socktype;
+		protocol = hints->ai_protocol;
+		flags = hints->ai_flags;
+		switch (family) {
+		case AF_UNSPEC:
+			switch (hints->ai_socktype) {
+			case SOCK_STREAM:
+				proto = "tcp";
+				break;
+			case SOCK_DGRAM:
+				proto = "udp";
+				break;
+			}
+			break;
+		case AF_INET:
+		case AF_INET6:
+			switch (hints->ai_socktype) {
+			case 0:
+				break;
+			case SOCK_STREAM:
+				proto = "tcp";
+				break;
+			case SOCK_DGRAM:
+				proto = "udp";
+				break;
+			case SOCK_RAW:
+				break;
+			default:
+				return (EAI_SOCKTYPE);
+			}
+			break;
+#ifdef	AF_LOCAL
+		case AF_LOCAL:
+			switch (hints->ai_socktype) {
+			case 0:
+				break;
+			case SOCK_STREAM:
+				break;
+			case SOCK_DGRAM:
+				break;
+			default:
+				return (EAI_SOCKTYPE);
+			}
+			break;
+#endif
+		default:
+			return (EAI_FAMILY);
+		}
+	} else {
+		protocol = 0;
+		family = 0;
+		socktype = 0;
+		flags = 0;
+	}
+
+#ifdef	AF_LOCAL
+	/*!
+	 * First, deal with AF_LOCAL.  If the family was not set,
+	 * then assume AF_LOCAL if the first character of the
+	 * hostname/servname is '/'.
+	 */
+
+	if (hostname != NULL &&
+	    (family == AF_LOCAL || (family == 0 && *hostname == '/')))
+		return (get_local(hostname, socktype, res));
+
+	if (servname != NULL &&
+	    (family == AF_LOCAL || (family == 0 && *servname == '/')))
+		return (get_local(servname, socktype, res));
+#endif
+
+	/*
+	 * Ok, only AF_INET and AF_INET6 left.
+	 */
+	ai_list = NULL;
+
+	/*
+	 * First, look up the service name (port) if it was
+	 * requested.  If the socket type wasn't specified, then
+	 * try and figure it out.
+	 */
+	if (servname != NULL) {
+		char *e;
+
+		port = strtol(servname, &e, 10);
+		if (*e == '\0') {
+			if (socktype == 0)
+				return (EAI_SOCKTYPE);
+			if (port < 0 || port > 65535)
+				return (EAI_SERVICE);
+			port = htons((unsigned short) port);
+		} else {
+			sp = getservbyname(servname, proto);
+			if (sp == NULL)
+				return (EAI_SERVICE);
+			port = sp->s_port;
+			if (socktype == 0) {
+				if (strcmp(sp->s_proto, "tcp") == 0)
+					socktype = SOCK_STREAM;
+				else if (strcmp(sp->s_proto, "udp") == 0)
+					socktype = SOCK_DGRAM;
+			}
+		}
+	} else
+		port = 0;
+
+	/*
+	 * Next, deal with just a service name, and no hostname.
+	 * (we verified that one of them was non-null up above).
+	 */
+	if (hostname == NULL && (flags & AI_PASSIVE) != 0) {
+		if (family == AF_INET || family == 0) {
+			ai = ai_alloc(AF_INET, sizeof(struct sockaddr_in));
+			if (ai == NULL)
+				return (EAI_MEMORY);
+			ai->ai_socktype = socktype;
+			ai->ai_protocol = protocol;
+			SIN(ai->ai_addr)->sin_port = port;
+			ai->ai_next = ai_list;
+			ai_list = ai;
+		}
+
+		if (family == AF_INET6 || family == 0) {
+			ai = ai_alloc(AF_INET6, sizeof(struct sockaddr_in6));
+			if (ai == NULL) {
+				freeaddrinfo(ai_list);
+				return (EAI_MEMORY);
+			}
+			ai->ai_socktype = socktype;
+			ai->ai_protocol = protocol;
+			SIN6(ai->ai_addr)->sin6_port = port;
+			ai->ai_next = ai_list;
+			ai_list = ai;
+		}
+
+		*res = ai_list;
+		return (0);
+	}
+
+	/*
+	 * If the family isn't specified or AI_NUMERICHOST specified, check
+	 * first to see if it is a numeric address.
+	 * Though the gethostbyname2() routine will recognize numeric addresses,
+	 * it will only recognize the format that it is being called for.  Thus,
+	 * a numeric AF_INET address will be treated by the AF_INET6 call as
+	 * a domain name, and vice versa.  Checking for both numerics here
+	 * avoids that.
+	 */
+	if (hostname != NULL &&
+	    (family == 0 || (flags & AI_NUMERICHOST) != 0)) {
+		char abuf[sizeof(struct in6_addr)];
+		char nbuf[NI_MAXHOST];
+		int addrsize, addroff;
+#ifdef IRS_HAVE_SIN6_SCOPE_ID
+		char *p, *ep;
+		char ntmp[NI_MAXHOST];
+		isc_uint32_t scopeid;
+#endif
+
+#ifdef IRS_HAVE_SIN6_SCOPE_ID
+		/*
+		 * Scope identifier portion.
+		 */
+		ntmp[0] = '\0';
+		if (strchr(hostname, '%') != NULL) {
+			strncpy(ntmp, hostname, sizeof(ntmp) - 1);
+			ntmp[sizeof(ntmp) - 1] = '\0';
+			p = strchr(ntmp, '%');
+			ep = NULL;
+
+			/*
+			 * Vendors may want to support non-numeric
+			 * scopeid around here.
+			 */
+
+			if (p != NULL)
+				scopeid = (isc_uint32_t)strtoul(p + 1,
+								&ep, 10);
+			if (p != NULL && ep != NULL && ep[0] == '\0')
+				*p = '\0';
+			else {
+				ntmp[0] = '\0';
+				scopeid = 0;
+			}
+		} else
+			scopeid = 0;
+#endif
+
+		if (inet_pton(AF_INET, hostname, (struct in_addr *)abuf)
+		    == 1) {
+			if (family == AF_INET6) {
+				/*
+				 * Convert to a V4 mapped address.
+				 */
+				struct in6_addr *a6 = (struct in6_addr *)abuf;
+				memcpy(&a6->s6_addr[12], &a6->s6_addr[0], 4);
+				memset(&a6->s6_addr[10], 0xff, 2);
+				memset(&a6->s6_addr[0], 0, 10);
+				goto inet6_addr;
+			}
+			addrsize = sizeof(struct in_addr);
+			addroff = (char *)(&SIN(0)->sin_addr) - (char *)0;
+			family = AF_INET;
+			goto common;
+#ifdef IRS_HAVE_SIN6_SCOPE_ID
+		} else if (ntmp[0] != '\0' &&
+			   inet_pton(AF_INET6, ntmp, abuf) == 1) {
+			if (family && family != AF_INET6)
+				return (EAI_NONAME);
+			addrsize = sizeof(struct in6_addr);
+			addroff = (char *)(&SIN6(0)->sin6_addr) - (char *)0;
+			family = AF_INET6;
+			goto common;
+#endif
+		} else if (inet_pton(AF_INET6, hostname, abuf) == 1) {
+			if (family != 0 && family != AF_INET6)
+				return (EAI_NONAME);
+		inet6_addr:
+			addrsize = sizeof(struct in6_addr);
+			addroff = (char *)(&SIN6(0)->sin6_addr) - (char *)0;
+			family = AF_INET6;
+
+		common:
+			ai = ai_alloc(family,
+				      ((family == AF_INET6) ?
+				       sizeof(struct sockaddr_in6) :
+				       sizeof(struct sockaddr_in)));
+			if (ai == NULL)
+				return (EAI_MEMORY);
+			ai_list = ai;
+			ai->ai_socktype = socktype;
+			SIN(ai->ai_addr)->sin_port = port;
+			memcpy((char *)ai->ai_addr + addroff, abuf, addrsize);
+			if ((flags & AI_CANONNAME) != 0) {
+#ifdef IRS_HAVE_SIN6_SCOPE_ID
+				if (ai->ai_family == AF_INET6)
+					SIN6(ai->ai_addr)->sin6_scope_id =
+						scopeid;
+#endif
+				if (getnameinfo(ai->ai_addr, ai->ai_addrlen,
+						nbuf, sizeof(nbuf), NULL, 0,
+						NI_NUMERICHOST) == 0) {
+					ai->ai_canonname = strdup(nbuf);
+					if (ai->ai_canonname == NULL) {
+						freeaddrinfo(ai);
+						return (EAI_MEMORY);
+					}
+				} else {
+					/* XXX raise error? */
+					ai->ai_canonname = NULL;
+				}
+			}
+			goto done;
+		} else if ((flags & AI_NUMERICHOST) != 0) {
+			return (EAI_NONAME);
+		}
+	}
+
+	if (hostname == NULL && (flags & AI_PASSIVE) == 0) {
+		set_order(family, net_order);
+		for (i = 0; i < FOUND_MAX; i++) {
+			if (net_order[i] == NULL)
+				break;
+			err = (net_order[i])(hostname, flags, &ai_list,
+					     socktype, port);
+			if (err != 0) {
+				if (ai_list != NULL)
+					freeaddrinfo(ai_list);
+				break;
+			}
+		}
+	} else
+		err = resolve_name(family, hostname, flags, &ai_list,
+				   socktype, port);
+
+	if (ai_list == NULL) {
+		if (err == 0)
+			err = EAI_NONAME;
+		return (err);
+	}
+
+done:
+	ai_list = ai_reverse(ai_list);
+
+	*res = ai_list;
+	return (0);
+}
+
+typedef struct gai_restrans {
+	dns_clientrestrans_t	*xid;
+	isc_boolean_t		is_inprogress;
+	int			error;
+	struct addrinfo		ai_sentinel;
+	struct gai_resstate	*resstate;
+} gai_restrans_t;
+
+typedef struct gai_resstate {
+	isc_mem_t			*mctx;
+	struct gai_statehead		*head;
+	dns_fixedname_t			fixedname;
+	dns_name_t			*qname;
+	gai_restrans_t			*trans4;
+	gai_restrans_t			*trans6;
+	ISC_LINK(struct gai_resstate)	link;
+} gai_resstate_t;
+
+typedef struct gai_statehead {
+	int				ai_family;
+	int				ai_flags;
+	int				ai_socktype;
+	int				ai_port;
+	isc_appctx_t			*actx;
+	dns_client_t			*dnsclient;
+	ISC_LIST(struct gai_resstate)	resstates;
+	unsigned int			activestates;
+} gai_statehead_t;
+
+static isc_result_t
+make_resstate(isc_mem_t *mctx, gai_statehead_t *head, const char *hostname,
+	      const char *domain, gai_resstate_t **statep)
+{
+	isc_result_t result;
+	gai_resstate_t *state;
+	dns_fixedname_t fixeddomain;
+	dns_name_t *qdomain;
+	size_t namelen;
+	isc_buffer_t b;
+	isc_boolean_t need_v4 = ISC_FALSE;
+	isc_boolean_t need_v6 = ISC_FALSE;
+
+	state = isc_mem_get(mctx, sizeof(*state));
+	if (state == NULL)
+		return (ISC_R_NOMEMORY);
+
+	/* Construct base domain name */
+	namelen = strlen(domain);
+	isc_buffer_init(&b, domain, namelen);
+	isc_buffer_add(&b, namelen);
+	dns_fixedname_init(&fixeddomain);
+	qdomain = dns_fixedname_name(&fixeddomain);
+	result = dns_name_fromtext(qdomain, &b, dns_rootname, 0, NULL);
+	if (result != ISC_R_SUCCESS) {
+		isc_mem_put(mctx, state, sizeof(*state));
+		return (result);
+	}
+
+	/* Construct query name */
+	namelen = strlen(hostname);
+	isc_buffer_init(&b, hostname, namelen);
+	isc_buffer_add(&b, namelen);
+	dns_fixedname_init(&state->fixedname);
+	state->qname = dns_fixedname_name(&state->fixedname);
+	result = dns_name_fromtext(state->qname, &b, qdomain, 0, NULL);
+	if (result != ISC_R_SUCCESS) {
+		isc_mem_put(mctx, state, sizeof(*state));
+		return (result);
+	}
+
+	if (head->ai_family == AF_UNSPEC || head->ai_family == AF_INET)
+		need_v4 = ISC_TRUE;
+	if (head->ai_family == AF_UNSPEC || head->ai_family == AF_INET6)
+		need_v6 = ISC_TRUE;
+
+	state->trans6 = NULL;
+	state->trans4 = NULL;
+	if (need_v4) {
+		state->trans4 = isc_mem_get(mctx, sizeof(gai_restrans_t));
+		if (state->trans4 == NULL) {
+			isc_mem_put(mctx, state, sizeof(*state));
+			return (ISC_R_NOMEMORY);
+		}
+		state->trans4->error = 0;
+		state->trans4->xid = NULL;
+		state->trans4->resstate = state;
+		state->trans4->is_inprogress = ISC_TRUE;
+		state->trans4->ai_sentinel.ai_next = NULL;
+	}
+	if (need_v6) {
+		state->trans6 = isc_mem_get(mctx, sizeof(gai_restrans_t));
+		if (state->trans6 == NULL) {
+			if (state->trans4 != NULL)
+				isc_mem_put(mctx, state->trans4,
+					    sizeof(*state->trans4));
+			isc_mem_put(mctx, state, sizeof(*state));
+			return (ISC_R_NOMEMORY);
+		}
+		state->trans6->error = 0;
+		state->trans6->xid = NULL;
+		state->trans6->resstate = state;
+		state->trans6->is_inprogress = ISC_TRUE;
+		state->trans6->ai_sentinel.ai_next = NULL;
+	}
+
+	state->mctx = mctx;
+	state->head = head;
+	ISC_LINK_INIT(state, link);
+
+	*statep = state;
+
+	return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+make_resstates(isc_mem_t *mctx, const char *hostname, gai_statehead_t *head,
+	       irs_resconf_t *resconf)
+{
+	isc_result_t result;
+	irs_resconf_searchlist_t *searchlist;
+	irs_resconf_search_t *searchent;
+	gai_resstate_t *resstate, *resstate0;
+
+	resstate0 = NULL;
+	result = make_resstate(mctx, head, hostname, ".", &resstate0);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+
+	searchlist = irs_resconf_getsearchlist(resconf);
+	for (searchent = ISC_LIST_HEAD(*searchlist); searchent != NULL;
+	     searchent = ISC_LIST_NEXT(searchent, link)) {
+		resstate = NULL;
+		result = make_resstate(mctx, head, hostname,
+				       (const char *)searchent->domain,
+				       &resstate);
+		if (result != ISC_R_SUCCESS)
+			break;
+
+		ISC_LIST_APPEND(head->resstates, resstate, link);
+		head->activestates++;
+	}
+
+	/*
+	 * Insert the original hostname either at the head or the tail of the
+	 * state list, depending on the number of labels contained in the
+	 * original name and the 'ndots' configuration parameter.
+	 */
+	if (dns_name_countlabels(resstate0->qname) >
+	    irs_resconf_getndots(resconf) + 1) {
+		ISC_LIST_PREPEND(head->resstates, resstate0, link);
+	} else
+		ISC_LIST_APPEND(head->resstates, resstate0, link);
+	head->activestates++;
+
+	if (result != ISC_R_SUCCESS) {
+		while ((resstate = ISC_LIST_HEAD(head->resstates)) != NULL) {
+			ISC_LIST_UNLINK(head->resstates, resstate, link);
+			if (resstate->trans4 != NULL) {
+				isc_mem_put(mctx, resstate->trans4,
+					    sizeof(*resstate->trans4));
+			}
+			if (resstate->trans6 != NULL) {
+				isc_mem_put(mctx, resstate->trans6,
+					    sizeof(*resstate->trans6));
+			}
+
+			isc_mem_put(mctx, resstate, sizeof(*resstate));
+		}
+	}
+
+	return (result);
+}
+
+static void
+process_answer(isc_task_t *task, isc_event_t *event) {
+	int error = 0, family;
+	gai_restrans_t *trans = event->ev_arg;
+	gai_resstate_t *resstate;
+	dns_clientresevent_t *rev = (dns_clientresevent_t *)event;
+	dns_rdatatype_t qtype;
+	dns_name_t *name;
+
+	REQUIRE(trans != NULL);
+	resstate = trans->resstate;
+	REQUIRE(resstate != NULL);
+	REQUIRE(task != NULL);
+
+	if (trans == resstate->trans4) {
+		family = AF_INET;
+		qtype = dns_rdatatype_a;
+	} else {
+		INSIST(trans == resstate->trans6);
+		family = AF_INET6;
+		qtype = dns_rdatatype_aaaa;
+	}
+
+	INSIST(trans->is_inprogress);
+	trans->is_inprogress = ISC_FALSE;
+
+	switch (rev->result) {
+	case ISC_R_SUCCESS:
+	case DNS_R_NCACHENXDOMAIN: /* treat this as a fatal error? */
+	case DNS_R_NCACHENXRRSET:
+		break;
+	default:
+		switch (rev->vresult) {
+		case DNS_R_SIGINVALID:
+		case DNS_R_SIGEXPIRED:
+		case DNS_R_SIGFUTURE:
+		case DNS_R_KEYUNAUTHORIZED:
+		case DNS_R_MUSTBESECURE:
+		case DNS_R_COVERINGNSEC:
+		case DNS_R_NOTAUTHORITATIVE:
+		case DNS_R_NOVALIDKEY:
+		case DNS_R_NOVALIDDS:
+		case DNS_R_NOVALIDSIG:
+			error = EAI_INSECUREDATA;
+			break;
+		default:
+			error = EAI_FAIL;
+		}
+		goto done;
+	}
+
+	/* Parse the response and construct the addrinfo chain */
+	for (name = ISC_LIST_HEAD(rev->answerlist); name != NULL;
+	     name = ISC_LIST_NEXT(name, link)) {
+		isc_result_t result;
+		dns_rdataset_t *rdataset;
+		isc_buffer_t b;
+		isc_region_t r;
+		char t[1024];
+
+		for (rdataset = ISC_LIST_HEAD(name->list);
+		     rdataset != NULL;
+		     rdataset = ISC_LIST_NEXT(rdataset, link)) {
+			if (!dns_rdataset_isassociated(rdataset))
+				continue;
+			if (rdataset->type != qtype)
+				continue;
+
+			if ((resstate->head->ai_flags & AI_CANONNAME) != 0) {
+				isc_buffer_init(&b, t, sizeof(t));
+				result = dns_name_totext(name, ISC_TRUE, &b);
+				if (result != ISC_R_SUCCESS) {
+					error = EAI_FAIL;
+					goto done;
+				}
+				isc_buffer_putuint8(&b, '\0');
+				isc_buffer_usedregion(&b, &r);
+			}
+
+			for (result = dns_rdataset_first(rdataset);
+			     result == ISC_R_SUCCESS;
+			     result = dns_rdataset_next(rdataset)) {
+				struct addrinfo *ai;
+				dns_rdata_t rdata;
+				dns_rdata_in_a_t rdata_a;
+				dns_rdata_in_aaaa_t rdata_aaaa;
+
+				ai = ai_alloc(family,
+					      ((family == AF_INET6) ?
+					       sizeof(struct sockaddr_in6) :
+					       sizeof(struct sockaddr_in)));
+				if (ai == NULL) {
+					error = EAI_MEMORY;
+					goto done;
+				}
+				ai->ai_socktype = resstate->head->ai_socktype;
+				ai->ai_next = trans->ai_sentinel.ai_next;
+				trans->ai_sentinel.ai_next = ai;
+
+				/*
+				 * Set AF-specific parameters
+				 * (IPv4/v6 address/port)
+				 */
+				dns_rdata_init(&rdata);
+				switch (family) {
+				case AF_INET:
+					dns_rdataset_current(rdataset, &rdata);
+					dns_rdata_tostruct(&rdata, &rdata_a,
+							   NULL);
+
+					SIN(ai->ai_addr)->sin_port =
+						resstate->head->ai_port;
+					memcpy(&SIN(ai->ai_addr)->sin_addr,
+					       &rdata_a.in_addr, 4);
+					dns_rdata_freestruct(&rdata_a);
+					break;
+				case AF_INET6:
+					dns_rdataset_current(rdataset, &rdata);
+					dns_rdata_tostruct(&rdata, &rdata_aaaa,
+							   NULL);
+					SIN6(ai->ai_addr)->sin6_port =
+						resstate->head->ai_port;
+					memcpy(&SIN6(ai->ai_addr)->sin6_addr,
+					       &rdata_aaaa.in6_addr, 16);
+					dns_rdata_freestruct(&rdata_aaaa);
+					break;
+				}
+
+				if ((resstate->head->ai_flags & AI_CANONNAME)
+				    != 0) {
+					ai->ai_canonname =
+						strdup((const char *)r.base);
+					if (ai->ai_canonname == NULL) {
+						error = EAI_MEMORY;
+						goto done;
+					}
+				}
+			}
+		}
+	}
+
+ done:
+	dns_client_freeresanswer(resstate->head->dnsclient, &rev->answerlist);
+	dns_client_destroyrestrans(&trans->xid);
+
+	isc_event_free(&event);
+
+	/* Make sure that error == 0 iff we have a non-empty list */
+	if (error == 0) {
+		if (trans->ai_sentinel.ai_next == NULL)
+			error = EAI_NONAME;
+	} else {
+		if (trans->ai_sentinel.ai_next != NULL) {
+			freeaddrinfo(trans->ai_sentinel.ai_next);
+			trans->ai_sentinel.ai_next = NULL;
+		}
+	}
+	trans->error = error;
+
+	/* Check whether we are done */
+	if ((resstate->trans4 == NULL || !resstate->trans4->is_inprogress) &&
+	    (resstate->trans6 == NULL || !resstate->trans6->is_inprogress)) {
+		/*
+		 * We're done for this state.  If there is no other outstanding
+		 * state, we can exit.
+		 */
+		resstate->head->activestates--;
+		if (resstate->head->activestates == 0) {
+			isc_app_ctxsuspend(resstate->head->actx);
+			return;
+		}
+
+		/*
+		 * There are outstanding states, but if we are at the head
+		 * of the state list (i.e., at the highest search priority)
+		 * and have any answer, we can stop now by canceling the
+		 * others.
+		 */
+		if (resstate == ISC_LIST_HEAD(resstate->head->resstates)) {
+			if ((resstate->trans4 != NULL &&
+			     resstate->trans4->ai_sentinel.ai_next != NULL) ||
+			    (resstate->trans6 != NULL &&
+			     resstate->trans6->ai_sentinel.ai_next != NULL)) {
+				gai_resstate_t *rest;
+
+				for (rest = ISC_LIST_NEXT(resstate, link);
+				     rest != NULL;
+				     rest = ISC_LIST_NEXT(rest, link)) {
+					if (rest->trans4 != NULL &&
+					    rest->trans4->xid != NULL)
+						dns_client_cancelresolve(
+							rest->trans4->xid);
+					if (rest->trans6 != NULL &&
+					    rest->trans6->xid != NULL)
+						dns_client_cancelresolve(
+							rest->trans6->xid);
+				}
+			} else {
+				/*
+				 * This search fails, so we move to the tail
+				 * of the list so that the next entry will
+				 * have the highest priority.
+				 */
+				ISC_LIST_UNLINK(resstate->head->resstates,
+						resstate, link);
+				ISC_LIST_APPEND(resstate->head->resstates,
+						resstate, link);
+			}
+		}
+	}
+}
+
+static int
+resolve_name(int family, const char *hostname, int flags,
+	     struct addrinfo **aip, int socktype, int port)
+{
+	isc_result_t result;
+	irs_context_t *irsctx;
+	irs_resconf_t *conf;
+	isc_mem_t *mctx;
+	isc_appctx_t *actx;
+	isc_task_t *task;
+	int terror = 0;
+	int error = 0;
+	dns_client_t *client;
+	gai_resstate_t *resstate;
+	gai_statehead_t head;
+	isc_boolean_t all_fail = ISC_TRUE;
+
+	/* get IRS context and the associated parameters */
+	irsctx = NULL;
+	result = irs_context_get(&irsctx);
+	if (result != ISC_R_SUCCESS)
+		return (EAI_FAIL);
+	actx = irs_context_getappctx(irsctx);
+
+	mctx = irs_context_getmctx(irsctx);
+	task = irs_context_gettask(irsctx);
+	conf = irs_context_getresconf(irsctx);
+	client = irs_context_getdnsclient(irsctx);
+
+	/* construct resolution states */
+	head.activestates = 0;
+	head.ai_family = family;
+	head.ai_socktype = socktype;
+	head.ai_flags = flags;
+	head.ai_port = port;
+	head.actx = actx;
+	head.dnsclient = client;
+	ISC_LIST_INIT(head.resstates);
+	result = make_resstates(mctx, hostname, &head, conf);
+	if (result != ISC_R_SUCCESS)
+		return (EAI_FAIL);
+
+	for (resstate = ISC_LIST_HEAD(head.resstates);
+	     resstate != NULL; resstate = ISC_LIST_NEXT(resstate, link)) {
+		if (resstate->trans4 != NULL) {
+			result = dns_client_startresolve(client,
+							 resstate->qname,
+							 dns_rdataclass_in,
+							 dns_rdatatype_a,
+							 0, task,
+							 process_answer,
+							 resstate->trans4,
+							 &resstate->trans4->xid);
+			if (result == ISC_R_SUCCESS) {
+				resstate->trans4->is_inprogress = ISC_TRUE;
+				all_fail = ISC_FALSE;
+			} else
+				resstate->trans4->is_inprogress = ISC_FALSE;
+		}
+		if (resstate->trans6 != NULL) {
+			result = dns_client_startresolve(client,
+							 resstate->qname,
+							 dns_rdataclass_in,
+							 dns_rdatatype_aaaa,
+							 0, task,
+							 process_answer,
+							 resstate->trans6,
+							 &resstate->trans6->xid);
+			if (result == ISC_R_SUCCESS) {
+				resstate->trans6->is_inprogress = ISC_TRUE;
+				all_fail = ISC_FALSE;
+			} else
+				resstate->trans6->is_inprogress= ISC_FALSE;
+		}
+	}
+	if (!all_fail) {
+		/* Start all the events */
+		isc_app_ctxrun(actx);
+	} else
+		error = EAI_FAIL;
+
+	/* Cleanup */
+	while ((resstate = ISC_LIST_HEAD(head.resstates)) != NULL) {
+		int terror4 = 0, terror6 = 0;
+
+		ISC_LIST_UNLINK(head.resstates, resstate, link);
+
+		if (*aip == NULL) {
+			struct addrinfo *sentinel4 = NULL;
+			struct addrinfo *sentinel6 = NULL;
+
+			if (resstate->trans4 != NULL) {
+				sentinel4 =
+					resstate->trans4->ai_sentinel.ai_next;
+				resstate->trans4->ai_sentinel.ai_next = NULL;
+			}
+			if (resstate->trans6 != NULL) {
+				sentinel6 =
+					resstate->trans6->ai_sentinel.ai_next;
+				resstate->trans6->ai_sentinel.ai_next = NULL;
+			}
+			*aip = ai_concat(sentinel4, sentinel6);
+		}
+
+		if (resstate->trans4 != NULL) {
+			INSIST(resstate->trans4->xid == NULL);
+			terror4 = resstate->trans4->error;
+			isc_mem_put(mctx, resstate->trans4,
+				    sizeof(*resstate->trans4));
+		}
+		if (resstate->trans6 != NULL) {
+			INSIST(resstate->trans6->xid == NULL);
+			terror6 = resstate->trans6->error;
+			isc_mem_put(mctx, resstate->trans6,
+				    sizeof(*resstate->trans6));
+		}
+
+		/*
+		 * If the entire lookup fails, we need to choose an appropriate
+		 * error code from individual codes.  We'll try to provide as
+		 * specific a code as possible.  In general, we are going to
+		 * find an error code other than EAI_NONAME (which is too
+		 * generic and may actually not be problematic in some cases).
+		 * EAI_NONAME will be set below if no better code is found.
+		 */
+		if (terror == 0 || terror == EAI_NONAME) {
+			if (terror4 != 0 && terror4 != EAI_NONAME)
+				terror = terror4;
+			else if (terror6 != 0 && terror6 != EAI_NONAME)
+				terror = terror6;
+		}
+
+		isc_mem_put(mctx, resstate, sizeof(*resstate));
+	}
+
+	if (*aip == NULL) {
+		error = terror;
+		if (error == 0)
+			error = EAI_NONAME;
+	}
+
+#if 1	/*  XXX: enabled for finding leaks.  should be cleaned up later. */
+	isc_app_ctxfinish(actx);
+	irs_context_destroy(&irsctx);
+#endif
+
+	return (error);
+}
+
+static char *
+irs_strsep(char **stringp, const char *delim) {
+	char *string = *stringp;
+	char *s;
+	const char *d;
+	char sc, dc;
+
+	if (string == NULL)
+		return (NULL);
+
+	for (s = string; *s != '\0'; s++) {
+		sc = *s;
+		for (d = delim; (dc = *d) != '\0'; d++)
+			if (sc == dc) {
+				*s++ = '\0';
+				*stringp = s;
+				return (string);
+			}
+	}
+	*stringp = NULL;
+	return (string);
+}
+
+static void
+set_order(int family, int (**net_order)(const char *, int, struct addrinfo **,
+					int, int))
+{
+	char *order, *tok;
+	int found;
+
+	if (family) {
+		switch (family) {
+		case AF_INET:
+			*net_order++ = add_ipv4;
+			break;
+		case AF_INET6:
+			*net_order++ = add_ipv6;
+			break;
+		}
+	} else {
+		order = getenv("NET_ORDER");
+		found = 0;
+		while (order != NULL) {
+			/*
+			 * We ignore any unknown names.
+			 */
+			tok = irs_strsep(&order, ":");
+			if (strcasecmp(tok, "inet6") == 0) {
+				if ((found & FOUND_IPV6) == 0)
+					*net_order++ = add_ipv6;
+				found |= FOUND_IPV6;
+			} else if (strcasecmp(tok, "inet") == 0 ||
+			    strcasecmp(tok, "inet4") == 0) {
+				if ((found & FOUND_IPV4) == 0)
+					*net_order++ = add_ipv4;
+				found |= FOUND_IPV4;
+			}
+		}
+
+		/*
+		 * Add in anything that we didn't find.
+		 */
+		if ((found & FOUND_IPV4) == 0)
+			*net_order++ = add_ipv4;
+		if ((found & FOUND_IPV6) == 0)
+			*net_order++ = add_ipv6;
+	}
+	*net_order = NULL;
+	return;
+}
+
+static char v4_loop[4] = { 127, 0, 0, 1 };
+
+static int
+add_ipv4(const char *hostname, int flags, struct addrinfo **aip,
+	 int socktype, int port)
+{
+	struct addrinfo *ai;
+
+	UNUSED(hostname);
+	UNUSED(flags);
+
+	ai = ai_clone(*aip, AF_INET); /* don't use ai_clone() */
+	if (ai == NULL) {
+		freeaddrinfo(*aip);
+		return (EAI_MEMORY);
+	}
+
+	*aip = ai;
+	ai->ai_socktype = socktype;
+	SIN(ai->ai_addr)->sin_port = port;
+	memcpy(&SIN(ai->ai_addr)->sin_addr, v4_loop, 4);
+
+	return (0);
+}
+
+static char v6_loop[16] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 };
+
+static int
+add_ipv6(const char *hostname, int flags, struct addrinfo **aip,
+	 int socktype, int port)
+{
+	struct addrinfo *ai;
+
+	UNUSED(hostname);
+	UNUSED(flags);
+
+	ai = ai_clone(*aip, AF_INET6); /* don't use ai_clone() */
+	if (ai == NULL) {
+		freeaddrinfo(*aip);
+		return (EAI_MEMORY);
+	}
+
+	*aip = ai;
+	ai->ai_socktype = socktype;
+	SIN6(ai->ai_addr)->sin6_port = port;
+	memcpy(&SIN6(ai->ai_addr)->sin6_addr, v6_loop, 16);
+
+	return (0);
+}
+
+/*% Free address info. */
+void
+freeaddrinfo(struct addrinfo *ai) {
+	struct addrinfo *ai_next;
+
+	while (ai != NULL) {
+		ai_next = ai->ai_next;
+		if (ai->ai_addr != NULL)
+			free(ai->ai_addr);
+		if (ai->ai_canonname)
+			free(ai->ai_canonname);
+		free(ai);
+		ai = ai_next;
+	}
+}
+
+#ifdef AF_LOCAL
+static int
+get_local(const char *name, int socktype, struct addrinfo **res) {
+	struct addrinfo *ai;
+	struct sockaddr_un *slocal;
+
+	if (socktype == 0)
+		return (EAI_SOCKTYPE);
+
+	ai = ai_alloc(AF_LOCAL, sizeof(*slocal));
+	if (ai == NULL)
+		return (EAI_MEMORY);
+
+	slocal = SLOCAL(ai->ai_addr);
+	strncpy(slocal->sun_path, name, sizeof(slocal->sun_path));
+
+	ai->ai_socktype = socktype;
+	/*
+	 * ai->ai_flags, ai->ai_protocol, ai->ai_canonname,
+	 * and ai->ai_next were initialized to zero.
+	 */
+
+	*res = ai;
+	return (0);
+}
+#endif
+
+/*!
+ * Allocate an addrinfo structure, and a sockaddr structure
+ * of the specificed length.  We initialize:
+ *	ai_addrlen
+ *	ai_family
+ *	ai_addr
+ *	ai_addr->sa_family
+ *	ai_addr->sa_len	(IRS_PLATFORM_HAVESALEN)
+ * and everything else is initialized to zero.
+ */
+static struct addrinfo *
+ai_alloc(int family, int addrlen) {
+	struct addrinfo *ai;
+
+	ai = (struct addrinfo *)calloc(1, sizeof(*ai));
+	if (ai == NULL)
+		return (NULL);
+
+	ai->ai_addr = SA(calloc(1, addrlen));
+	if (ai->ai_addr == NULL) {
+		free(ai);
+		return (NULL);
+	}
+	ai->ai_addrlen = addrlen;
+	ai->ai_family = family;
+	ai->ai_addr->sa_family = family;
+#ifdef IRS_PLATFORM_HAVESALEN
+	ai->ai_addr->sa_len = addrlen;
+#endif
+	return (ai);
+}
+
+static struct addrinfo *
+ai_clone(struct addrinfo *oai, int family) {
+	struct addrinfo *ai;
+
+	ai = ai_alloc(family, ((family == AF_INET6) ?
+	    sizeof(struct sockaddr_in6) : sizeof(struct sockaddr_in)));
+
+	if (ai == NULL) {
+		if (oai != NULL)
+			freeaddrinfo(oai);
+		return (NULL);
+	}
+	if (oai == NULL)
+		return (ai);
+
+	ai->ai_flags = oai->ai_flags;
+	ai->ai_socktype = oai->ai_socktype;
+	ai->ai_protocol = oai->ai_protocol;
+	ai->ai_canonname = NULL;
+	ai->ai_next = oai;
+	return (ai);
+}
+
+static struct addrinfo *
+ai_reverse(struct addrinfo *oai) {
+	struct addrinfo *nai, *tai;
+
+	nai = NULL;
+
+	while (oai != NULL) {
+		/*
+		 * Grab one off the old list.
+		 */
+		tai = oai;
+		oai = oai->ai_next;
+		/*
+		 * Put it on the front of the new list.
+		 */
+		tai->ai_next = nai;
+		nai = tai;
+	}
+	return (nai);
+}
+
+
+static struct addrinfo *
+ai_concat(struct addrinfo *ai1, struct addrinfo *ai2) {
+	struct addrinfo *ai_tmp;
+
+	if (ai1 == NULL)
+		return (ai2);
+	else if (ai2 == NULL)
+		return (ai1);
+
+	for (ai_tmp = ai1; ai_tmp != NULL && ai_tmp->ai_next != NULL;
+	     ai_tmp = ai_tmp->ai_next)
+		;
+
+	ai_tmp->ai_next = ai2;
+
+	return (ai1);
+}
diff --git a/lib/irs/getnameinfo.c b/lib/irs/getnameinfo.c
new file mode 100644
index 0000000..fadd8d8
--- /dev/null
+++ b/lib/irs/getnameinfo.c
@@ -0,0 +1,410 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: getnameinfo.c,v 1.4 2009-09-02 23:48:02 tbox Exp $ */
+
+/*! \file */
+
+/*
+ * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the project nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/**
+ *    getnameinfo() returns the hostname for the struct sockaddr sa which is
+ *    salen bytes long. The hostname is of length hostlen and is returned via
+ *    *host. The maximum length of the hostname is 1025 bytes: #NI_MAXHOST.
+ *
+ *    The name of the service associated with the port number in sa is
+ *    returned in *serv. It is servlen bytes long. The maximum length of the
+ *    service name is #NI_MAXSERV - 32 bytes.
+ *
+ *    The flags argument sets the following bits:
+ *
+ * \li   #NI_NOFQDN:
+ *           A fully qualified domain name is not required for local hosts.
+ *           The local part of the fully qualified domain name is returned
+ *           instead.
+ *
+ * \li   #NI_NUMERICHOST
+ *           Return the address in numeric form, as if calling inet_ntop(),
+ *           instead of a host name.
+ *
+ * \li   #NI_NAMEREQD
+ *           A name is required. If the hostname cannot be found in the DNS
+ *           and this flag is set, a non-zero error code is returned. If the
+ *           hostname is not found and the flag is not set, the address is
+ *           returned in numeric form.
+ *
+ * \li   #NI_NUMERICSERV
+ *           The service name is returned as a digit string representing the
+ *           port number.
+ *
+ * \li   #NI_DGRAM
+ *           Specifies that the service being looked up is a datagram
+ *           service, and causes getservbyport() to be called with a second
+ *           argument of "udp" instead of its default of "tcp". This is
+ *           required for the few ports (512-514) that have different
+ *           services for UDP and TCP.
+ *
+ * \section getnameinfo_return Return Values
+ *
+ *    getnameinfo() returns 0 on success or a non-zero error code if
+ *    an error occurs.
+ *
+ * \section getname_see See Also
+ *
+ *    RFC3493, getservbyport(),
+ *    getnamebyaddr(). inet_ntop().
+ */
+
+#include 
+
+#include 
+#include 
+
+#include 
+#include 
+#include 
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include 
+#include 
+
+#define SUCCESS 0
+
+/*% afd structure definition */
+static struct afd {
+	int a_af;
+	size_t a_addrlen;
+	size_t a_socklen;
+} afdl [] = {
+	/*!
+	 * First entry is linked last...
+	 */
+	{ AF_INET, sizeof(struct in_addr), sizeof(struct sockaddr_in) },
+	{ AF_INET6, sizeof(struct in6_addr), sizeof(struct sockaddr_in6) },
+	{0, 0, 0},
+};
+
+/*!
+ * The test against 0 is there to keep the Solaris compiler
+ * from complaining about "end-of-loop code not reached".
+ */
+#define ERR(code) \
+	do { result = (code);			\
+		if (result != 0) goto cleanup;	\
+	} while (0)
+
+int
+getnameinfo(const struct sockaddr *sa, socklen_t salen, char *host,
+	    IRS_GETNAMEINFO_BUFLEN_T hostlen, char *serv,
+	    IRS_GETNAMEINFO_BUFLEN_T servlen, IRS_GETNAMEINFO_FLAGS_T flags)
+{
+	struct afd *afd;
+	struct servent *sp;
+	unsigned short port;
+#ifdef IRS_PLATFORM_HAVESALEN
+	size_t len;
+#endif
+	int family, i;
+	const void *addr;
+	char *p;
+#if 0
+	unsigned long v4a;
+	unsigned char pfx;
+#endif
+	char numserv[sizeof("65000")];
+	char numaddr[sizeof("abcd:abcd:abcd:abcd:abcd:abcd:255.255.255.255")
+		    + 1 + sizeof("4294967295")];
+	const char *proto;
+	int result = SUCCESS;
+
+	if (sa == NULL)
+		ERR(EAI_FAIL);
+
+#ifdef IRS_PLATFORM_HAVESALEN
+	len = sa->sa_len;
+	if (len != salen)
+		ERR(EAI_FAIL);
+#endif
+
+	family = sa->sa_family;
+	for (i = 0; afdl[i].a_af; i++)
+		if (afdl[i].a_af == family) {
+			afd = &afdl[i];
+			goto found;
+		}
+	ERR(EAI_FAMILY);
+
+ found:
+	if (salen != afd->a_socklen)
+		ERR(EAI_FAIL);
+
+	switch (family) {
+	case AF_INET:
+		port = ((const struct sockaddr_in *)sa)->sin_port;
+		addr = &((const struct sockaddr_in *)sa)->sin_addr.s_addr;
+		break;
+
+	case AF_INET6:
+		port = ((const struct sockaddr_in6 *)sa)->sin6_port;
+		addr = ((const struct sockaddr_in6 *)sa)->sin6_addr.s6_addr;
+		break;
+
+	default:
+		port = 0;
+		addr = NULL;
+		INSIST(0);
+	}
+	proto = (flags & NI_DGRAM) ? "udp" : "tcp";
+
+	if (serv == NULL || servlen == 0U) {
+		/*
+		 * Caller does not want service.
+		 */
+	} else if ((flags & NI_NUMERICSERV) != 0 ||
+		   (sp = getservbyport(port, proto)) == NULL) {
+		snprintf(numserv, sizeof(numserv), "%d", ntohs(port));
+		if ((strlen(numserv) + 1) > servlen)
+			ERR(EAI_OVERFLOW);
+		strcpy(serv, numserv);
+	} else {
+		if ((strlen(sp->s_name) + 1) > servlen)
+			ERR(EAI_OVERFLOW);
+		strcpy(serv, sp->s_name);
+	}
+
+#if 0
+	switch (sa->sa_family) {
+	case AF_INET:
+		v4a = ((struct sockaddr_in *)sa)->sin_addr.s_addr;
+		if (IN_MULTICAST(v4a) || IN_EXPERIMENTAL(v4a))
+			flags |= NI_NUMERICHOST;
+		v4a >>= IN_CLASSA_NSHIFT;
+		if (v4a == 0 || v4a == IN_LOOPBACKNET)
+			flags |= NI_NUMERICHOST;
+		break;
+
+	case AF_INET6:
+		pfx = ((struct sockaddr_in6 *)sa)->sin6_addr.s6_addr[0];
+		if (pfx == 0 || pfx == 0xfe || pfx == 0xff)
+			flags |= NI_NUMERICHOST;
+		break;
+	}
+#endif
+
+	if (host == NULL || hostlen == 0U) {
+		/*
+		 * do nothing in this case.
+		 * in case you are wondering if "&&" is more correct than
+		 * "||" here: RFC3493 says that host == NULL or hostlen == 0
+		 * means that the caller does not want the result.
+		 */
+	} else if ((flags & NI_NUMERICHOST) != 0) {
+		if (inet_ntop(afd->a_af, addr, numaddr, sizeof(numaddr))
+		    == NULL)
+			ERR(EAI_SYSTEM);
+#if defined(IRS_HAVE_SIN6_SCOPE_ID)
+		if (afd->a_af == AF_INET6 &&
+		    ((const struct sockaddr_in6 *)sa)->sin6_scope_id) {
+			char *p = numaddr + strlen(numaddr);
+			const char *stringscope = NULL;
+#ifdef VENDOR_SPECIFIC
+			/*
+			 * Vendors may want to add support for
+			 * non-numeric scope identifier.
+			 */
+			stringscope = foo;
+#endif
+			if (stringscope == NULL) {
+				snprintf(p, sizeof(numaddr) - (p - numaddr),
+				    "%%%u",
+				    ((const struct sockaddr_in6 *)sa)->sin6_scope_id);
+			} else {
+				snprintf(p, sizeof(numaddr) - (p - numaddr),
+				    "%%%s", stringscope);
+			}
+		}
+#endif
+		if (strlen(numaddr) + 1 > hostlen)
+			ERR(EAI_OVERFLOW);
+		strcpy(host, numaddr);
+	} else {
+		isc_netaddr_t netaddr;
+		dns_fixedname_t ptrfname;
+		dns_name_t *ptrname;
+		irs_context_t *irsctx = NULL;
+		dns_client_t *client;
+		isc_boolean_t found = ISC_FALSE;
+		dns_namelist_t answerlist;
+		dns_rdataset_t *rdataset;
+		isc_region_t hostregion;
+		char hoststr[1024]; /* is this enough? */
+		isc_result_t iresult;
+
+		/* Get IRS context and the associated DNS client object */
+		iresult = irs_context_get(&irsctx);
+		if (iresult != ISC_R_SUCCESS)
+			ERR(EAI_FAIL);
+		client = irs_context_getdnsclient(irsctx);
+
+		/* Make query name */
+		isc_netaddr_fromsockaddr(&netaddr, (const isc_sockaddr_t *)sa);
+		dns_fixedname_init(&ptrfname);
+		ptrname = dns_fixedname_name(&ptrfname);
+		iresult = dns_byaddr_createptrname2(&netaddr, 0, ptrname);
+		if (iresult != ISC_R_SUCCESS)
+			ERR(EAI_FAIL);
+
+		/* Get the PTR RRset */
+		ISC_LIST_INIT(answerlist);
+		iresult = dns_client_resolve(client, ptrname,
+					     dns_rdataclass_in,
+					     dns_rdatatype_ptr,
+					     DNS_CLIENTRESOPT_ALLOWRUN,
+					     &answerlist);
+		switch (iresult) {
+		case ISC_R_SUCCESS:
+		/*
+		 * a 'non-existent' error is not necessarily fatal for
+		 * getnameinfo().
+		 */
+		case DNS_R_NCACHENXDOMAIN:
+		case DNS_R_NCACHENXRRSET:
+			break;
+		case DNS_R_SIGINVALID:
+		case DNS_R_SIGEXPIRED:
+		case DNS_R_SIGFUTURE:
+		case DNS_R_KEYUNAUTHORIZED:
+		case DNS_R_MUSTBESECURE:
+		case DNS_R_COVERINGNSEC:
+		case DNS_R_NOTAUTHORITATIVE:
+		case DNS_R_NOVALIDKEY:
+		case DNS_R_NOVALIDDS:
+		case DNS_R_NOVALIDSIG:
+			ERR(EAI_INSECUREDATA);
+		default:
+			ERR(EAI_FAIL);
+		}
+
+		/* Parse the answer for the hostname */
+		for (ptrname = ISC_LIST_HEAD(answerlist); ptrname != NULL;
+		     ptrname = ISC_LIST_NEXT(ptrname, link)) {
+			for (rdataset = ISC_LIST_HEAD(ptrname->list);
+			     rdataset != NULL;
+			     rdataset = ISC_LIST_NEXT(rdataset, link)) {
+				if (!dns_rdataset_isassociated(rdataset))
+					continue;
+				if (rdataset->type != dns_rdatatype_ptr)
+					continue;
+
+				for (iresult = dns_rdataset_first(rdataset);
+				     iresult == ISC_R_SUCCESS;
+				     iresult = dns_rdataset_next(rdataset)) {
+					dns_rdata_t rdata;
+					dns_rdata_ptr_t rdata_ptr;
+					isc_buffer_t b;
+
+					dns_rdata_init(&rdata);
+					dns_rdataset_current(rdataset, &rdata);
+					dns_rdata_tostruct(&rdata, &rdata_ptr,
+							   NULL);
+
+					isc_buffer_init(&b, hoststr,
+							sizeof(hoststr));
+					iresult =
+						dns_name_totext(&rdata_ptr.ptr,
+								ISC_TRUE, &b);
+					dns_rdata_freestruct(&rdata_ptr);
+					if (iresult == ISC_R_SUCCESS) {
+						/*
+						 * We ignore the rest of the
+						 * answer.  After all,
+						 * getnameinfo() can return
+						 * at most one hostname.
+						 */
+						found = ISC_TRUE;
+						isc_buffer_usedregion(
+							&b, &hostregion);
+						goto ptrfound;
+					}
+
+				}
+			}
+		}
+	ptrfound:
+		dns_client_freeresanswer(client, &answerlist);
+		if (found) {
+			if ((flags & NI_NOFQDN) != 0) {
+				p = strchr(hoststr, '.');
+				if (p)
+					*p = '\0';
+			}
+			if (hostregion.length + 1 > hostlen)
+				ERR(EAI_OVERFLOW);
+			snprintf(host, hostlen, "%.*s",
+				 (int)hostregion.length,
+				 (char *)hostregion.base);
+		} else {
+			if ((flags & NI_NAMEREQD) != 0)
+				ERR(EAI_NONAME);
+			if (inet_ntop(afd->a_af, addr, numaddr,
+				      sizeof(numaddr)) == NULL)
+				ERR(EAI_SYSTEM);
+			if ((strlen(numaddr) + 1) > hostlen)
+				ERR(EAI_OVERFLOW);
+			strcpy(host, numaddr);
+		}
+	}
+	result = SUCCESS;
+
+ cleanup:
+	return (result);
+}
diff --git a/lib/irs/include/Makefile.in b/lib/irs/include/Makefile.in
new file mode 100644
index 0000000..22a63ee
--- /dev/null
+++ b/lib/irs/include/Makefile.in
@@ -0,0 +1,24 @@
+# Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile.in,v 1.3 2009-09-02 23:48:02 tbox Exp $
+
+srcdir =	@srcdir@
+VPATH =		@srcdir@
+top_srcdir =	@top_srcdir@
+
+SUBDIRS =	irs
+TARGETS =
+
+@BIND9_MAKE_RULES@
diff --git a/lib/irs/include/irs/Makefile.in b/lib/irs/include/irs/Makefile.in
new file mode 100644
index 0000000..7d50995
--- /dev/null
+++ b/lib/irs/include/irs/Makefile.in
@@ -0,0 +1,44 @@
+# Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: Makefile.in,v 1.3 2009-09-02 23:48:02 tbox Exp $
+
+srcdir =	@srcdir@
+VPATH =		@srcdir@
+top_srcdir =	@top_srcdir@
+
+#
+# Only list headers that are to be installed and are not
+# machine generated.  The latter are handled specially in the
+# install target below.
+#
+HEADERS =	version.h
+
+SUBDIRS =
+TARGETS =
+
+@BIND9_MAKE_RULES@
+
+installdirs:
+	$(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${includedir}/irs
+
+install:: installdirs
+	for i in ${HEADERS}; do \
+		${INSTALL_DATA} ${srcdir}/$$i ${DESTDIR}${includedir}/irs ; \
+	done
+	${INSTALL_DATA} netdb.h ${DESTDIR}${includedir}/irs
+	${INSTALL_DATA} platform.h ${DESTDIR}${includedir}/irs
+
+distclean::
+	rm -f netdb.h platform.h
diff --git a/lib/irs/include/irs/context.h b/lib/irs/include/irs/context.h
new file mode 100644
index 0000000..c49cfcf
--- /dev/null
+++ b/lib/irs/include/irs/context.h
@@ -0,0 +1,159 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: context.h,v 1.3 2009-09-02 23:48:02 tbox Exp $ */
+
+#ifndef IRS_CONTEXT_H
+#define IRS_CONTEXT_H 1
+
+/*! \file
+ *
+ * \brief
+ * The IRS context module provides an abstract interface to the DNS library
+ * with an application.  An IRS context object initializes and holds various
+ * resources used in the DNS library.
+ */
+
+#include 
+#include 
+
+ISC_LANG_BEGINDECLS
+
+isc_result_t
+irs_context_create(irs_context_t **contextp);
+/*%<
+ * Create an IRS context.  It internally initializes the ISC and DNS libraries
+ * (if not yet), creates a DNS client object and initializes the client using
+ * the configuration files parsed via the 'resconf' and 'dnsconf' IRS modules.
+ * Some of the internally initialized objects can be used by the application
+ * via irs_context_getxxx() functions (see below).
+ *
+ * Requires:
+ *
+ *\li	contextp != NULL && *contextp == NULL.
+ */
+
+isc_result_t
+irs_context_get(irs_context_t **contextp);
+/*%<
+ * Return an IRS context for the calling thread.  If no IRS context is
+ * associated to the thread, this function creates a new one by calling
+ * irs_context_create(), and associates it with the thread as a thread specific
+ * data value.  This function is provided for standard libraries that are
+ * expected to be thread-safe but do not accept an appropriate IRS context
+ * as a library parameter, e.g., getaddrinfo().
+ *
+ * Requires:
+ *
+ *\li	contextp != NULL && *contextp == NULL.
+ */
+
+void
+irs_context_destroy(irs_context_t **contextp);
+/*%<
+ * Destroy an IRS context.
+ *
+ * Requires:
+ *
+ *\li	'*contextp' is a valid IRS context.
+ *
+ * Ensures:
+ *\li	'*contextp' == NULL.
+ */
+
+isc_mem_t *
+irs_context_getmctx(irs_context_t *context);
+/*%<
+ * Return the memory context held in the context.
+ *
+ * Requires:
+ *
+ *\li	'context' is a valid IRS context.
+ */
+
+isc_appctx_t *
+irs_context_getappctx(irs_context_t *context);
+/*%<
+ * Return the application context held in the context.
+ *
+ * Requires:
+ *
+ *\li	'context' is a valid IRS context.
+ */
+
+isc_taskmgr_t *
+irs_context_gettaskmgr(irs_context_t *context);
+/*%<
+ * Return the task manager held in the context.
+ *
+ * Requires:
+ *
+ *\li	'context' is a valid IRS context.
+ */
+
+isc_timermgr_t *
+irs_context_gettimermgr(irs_context_t *context);
+/*%<
+ * Return the timer manager held in the context.
+ *
+ * Requires:
+ *
+ *\li	'context' is a valid IRS context.
+ */
+
+isc_task_t *
+irs_context_gettask(irs_context_t *context);
+/*%<
+ * Return the task object held in the context.
+ *
+ * Requires:
+ *
+ *\li	'context' is a valid IRS context.
+ */
+
+dns_client_t *
+irs_context_getdnsclient(irs_context_t *context);
+/*%<
+ * Return the DNS client object held in the context.
+ *
+ * Requires:
+ *
+ *\li	'context' is a valid IRS context.
+ */
+
+irs_resconf_t *
+irs_context_getresconf(irs_context_t *context);
+/*%<
+ * Return the resolver configuration object held in the context.
+ *
+ * Requires:
+ *
+ *\li	'context' is a valid IRS context.
+ */
+
+irs_dnsconf_t *
+irs_context_getdnsconf(irs_context_t *context);
+/*%<
+ * Return the advanced DNS configuration object held in the context.
+ *
+ * Requires:
+ *
+ *\li	'context' is a valid IRS context.
+ */
+
+ISC_LANG_ENDDECLS
+
+#endif /* IRS_CONTEXT_H */
diff --git a/lib/irs/include/irs/dnsconf.h b/lib/irs/include/irs/dnsconf.h
new file mode 100644
index 0000000..0041c16
--- /dev/null
+++ b/lib/irs/include/irs/dnsconf.h
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: dnsconf.h,v 1.3 2009-09-02 23:48:02 tbox Exp $ */
+
+#ifndef IRS_DNSCONF_H
+#define IRS_DNSCONF_H 1
+
+/*! \file
+ *
+ * \brief
+ * The IRS dnsconf module parses an "advanced" configuration file related to
+ * the DNS library, such as trusted keys for DNSSEC validation, and creates
+ * the corresponding configuration objects for the DNS library modules.
+ *
+ * Notes:
+ * This module is very experimental and the configuration syntax or library
+ * interfaces may change in future versions.  Currently, only the
+ * 'trusted-keys' statement is supported, whose syntax is the same as the
+ * same name of statement for named.conf.
+ */
+
+#include 
+
+/*%
+ * A compound structure storing DNS key information mainly for DNSSEC
+ * validation.  A dns_key_t object will be created using the 'keyname' and
+ * 'keydatabuf' members with the dst_key_fromdns() function.
+ */
+typedef struct irs_dnsconf_dnskey {
+	dns_name_t				*keyname;
+	isc_buffer_t				*keydatabuf;
+	ISC_LINK(struct irs_dnsconf_dnskey)	link;
+} irs_dnsconf_dnskey_t;
+
+typedef ISC_LIST(irs_dnsconf_dnskey_t) irs_dnsconf_dnskeylist_t;
+
+ISC_LANG_BEGINDECLS
+
+isc_result_t
+irs_dnsconf_load(isc_mem_t *mctx, const char *filename, irs_dnsconf_t **confp);
+/*%<
+ * Load the "advanced" DNS configuration file 'filename' in the "dns.conf"
+ * format, and create a new irs_dnsconf_t object from the configuration.
+ *
+ * Requires:
+ *
+ *\li	'mctx' is a valid memory context.
+ *
+ *\li	'filename' != NULL
+ *
+ *\li	'confp' != NULL && '*confp' == NULL
+ */
+
+void
+irs_dnsconf_destroy(irs_dnsconf_t **confp);
+/*%<
+ * Destroy the dnsconf object.
+ *
+ * Requires:
+ *
+ *\li	'*confp' is a valid dnsconf object.
+ *
+ * Ensures:
+ *
+ *\li	*confp == NULL
+ */
+
+irs_dnsconf_dnskeylist_t *
+irs_dnsconf_gettrustedkeys(irs_dnsconf_t *conf);
+/*%<
+ * Return a list of key information stored in 'conf'.
+ *
+ * Requires:
+ *
+ *\li	'conf' is a valid dnsconf object.
+ */
+
+ISC_LANG_ENDDECLS
+
+#endif /* IRS_DNSCONF_H */
diff --git a/lib/irs/include/irs/netdb.h.in b/lib/irs/include/irs/netdb.h.in
new file mode 100644
index 0000000..9dda413
--- /dev/null
+++ b/lib/irs/include/irs/netdb.h.in
@@ -0,0 +1,167 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: netdb.h.in,v 1.3 2009-09-02 23:48:02 tbox Exp $ */
+
+/*! \file */
+
+#ifndef IRS_NETDB_H
+#define IRS_NETDB_H 1
+
+#include 	/* Required on FreeBSD (and  others?) for size_t. */
+#include 	/* Contractual provision. */
+
+/*
+ * Define if  does not declare struct addrinfo.
+ */
+@ISC_IRS_NEEDADDRINFO@
+
+#ifdef ISC_IRS_NEEDADDRINFO
+struct addrinfo {
+	int		ai_flags;      /* AI_PASSIVE, AI_CANONNAME */
+	int		ai_family;     /* PF_xxx */
+	int		ai_socktype;   /* SOCK_xxx */
+	int		ai_protocol;   /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
+	size_t		ai_addrlen;    /* Length of ai_addr */
+	char		*ai_canonname; /* Canonical name for hostname */
+	struct sockaddr	*ai_addr;      /* Binary address */
+	struct addrinfo	*ai_next;      /* Next structure in linked list */
+};
+#endif
+
+/*
+ * Undefine all #defines we are interested in as  may or may not have
+ * defined them.
+ */
+
+/*
+ * Error return codes from gethostbyname() and gethostbyaddr()
+ * (left in extern int h_errno).
+ */
+
+#undef	NETDB_INTERNAL
+#undef	NETDB_SUCCESS
+#undef	HOST_NOT_FOUND
+#undef	TRY_AGAIN
+#undef	NO_RECOVERY
+#undef	NO_DATA
+#undef	NO_ADDRESS
+
+#define	NETDB_INTERNAL	-1	/* see errno */
+#define	NETDB_SUCCESS	0	/* no problem */
+#define	HOST_NOT_FOUND	1 /* Authoritative Answer Host not found */
+#define	TRY_AGAIN	2 /* Non-Authoritive Host not found, or SERVERFAIL */
+#define	NO_RECOVERY	3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
+#define	NO_DATA		4 /* Valid name, no data record of requested type */
+#define	NO_ADDRESS	NO_DATA		/* no address, look for MX record */
+
+/*
+ * Error return codes from getaddrinfo().  EAI_INSECUREDATA is our own extension
+ * and it's very unlikely to be already defined, but undef it just in case; it
+ * at least doesn't do any harm.
+ */
+
+#undef	EAI_ADDRFAMILY
+#undef	EAI_AGAIN
+#undef	EAI_BADFLAGS
+#undef	EAI_FAIL
+#undef	EAI_FAMILY
+#undef	EAI_MEMORY
+#undef	EAI_NODATA
+#undef	EAI_NONAME
+#undef	EAI_SERVICE
+#undef	EAI_SOCKTYPE
+#undef	EAI_SYSTEM
+#undef	EAI_BADHINTS
+#undef	EAI_PROTOCOL
+#undef	EAI_OVERFLOW
+#undef	EAI_INSECUREDATA
+#undef	EAI_MAX
+
+#define	EAI_ADDRFAMILY	 1	/* address family for hostname not supported */
+#define	EAI_AGAIN	 2	/* temporary failure in name resolution */
+#define	EAI_BADFLAGS	 3	/* invalid value for ai_flags */
+#define	EAI_FAIL	 4	/* non-recoverable failure in name resolution */
+#define	EAI_FAMILY	 5	/* ai_family not supported */
+#define	EAI_MEMORY	 6	/* memory allocation failure */
+#define	EAI_NODATA	 7	/* no address associated with hostname */
+#define	EAI_NONAME	 8	/* hostname nor servname provided, or not known */
+#define	EAI_SERVICE	 9	/* servname not supported for ai_socktype */
+#define	EAI_SOCKTYPE	10	/* ai_socktype not supported */
+#define	EAI_SYSTEM	11	/* system error returned in errno */
+#define EAI_BADHINTS	12
+#define EAI_PROTOCOL	13
+#define EAI_OVERFLOW	14
+#define EAI_INSECUREDATA 15
+#define EAI_MAX		16
+
+/*
+ * Flag values for getaddrinfo()
+ */
+#undef	AI_PASSIVE
+#undef	AI_CANONNAME
+#undef	AI_NUMERICHOST
+
+#define	AI_PASSIVE	0x00000001
+#define	AI_CANONNAME	0x00000002
+#define AI_NUMERICHOST	0x00000004
+
+/*
+ * Flag values for getipnodebyname()
+ */
+#undef AI_V4MAPPED
+#undef AI_ALL
+#undef AI_ADDRCONFIG
+#undef AI_DEFAULT
+
+#define AI_V4MAPPED	0x00000008
+#define AI_ALL		0x00000010
+#define AI_ADDRCONFIG	0x00000020
+#define AI_DEFAULT	(AI_V4MAPPED|AI_ADDRCONFIG)
+
+/*
+ * Constants for lwres_getnameinfo()
+ */
+#undef	NI_MAXHOST
+#undef	NI_MAXSERV
+
+#define	NI_MAXHOST	1025
+#define	NI_MAXSERV	32
+
+/*
+ * Flag values for lwres_getnameinfo()
+ */
+#undef	NI_NOFQDN
+#undef	NI_NUMERICHOST
+#undef	NI_NAMEREQD
+#undef	NI_NUMERICSERV
+#undef	NI_DGRAM
+#undef	NI_NUMERICSCOPE
+
+#define	NI_NOFQDN	0x00000001
+#define	NI_NUMERICHOST	0x00000002
+#define	NI_NAMEREQD	0x00000004
+#define	NI_NUMERICSERV	0x00000008
+#define	NI_DGRAM	0x00000010
+
+/*
+ * Tell Emacs to use C mode on this file.
+ * Local variables:
+ * mode: c
+ * End:
+ */
+
+#endif /* IRS_NETDB_H */
diff --git a/lib/irs/include/irs/platform.h.in b/lib/irs/include/irs/platform.h.in
new file mode 100644
index 0000000..f61f671
--- /dev/null
+++ b/lib/irs/include/irs/platform.h.in
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: platform.h.in,v 1.3 2009-09-02 23:48:02 tbox Exp $ */
+
+/*! \file */
+
+#ifndef IRS_PLATFORM_H
+#define IRS_PLATFORM_H 1
+
+/*****
+ ***** Platform-dependent defines.
+ *****/
+
+#ifndef IRS_PLATFORM_USEDECLSPEC
+#define LIBIRS_EXTERNAL_DATA
+#else
+#ifdef LIBIRS_EXPORTS
+#define LIBIRS_EXTERNAL_DATA __declspec(dllexport)
+#else
+#define LIBIRS_EXTERNAL_DATA __declspec(dllimport)
+#endif
+#endif
+
+/*
+ * Tell Emacs to use C mode on this file.
+ * Local Variables:
+ * mode: c
+ * End:
+ */
+
+#endif /* IRS_PLATFORM_H */
diff --git a/lib/irs/include/irs/resconf.h b/lib/irs/include/irs/resconf.h
new file mode 100644
index 0000000..8249c7b
--- /dev/null
+++ b/lib/irs/include/irs/resconf.h
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: resconf.h,v 1.3 2009-09-02 23:48:02 tbox Exp $ */
+
+#ifndef IRS_RESCONF_H
+#define IRS_RESCONF_H 1
+
+/*! \file
+ *
+ * \brief
+ * The IRS resconf module parses the legacy "/etc/resolv.conf" file and
+ * creates the corresponding configuration objects for the DNS library
+ * modules.
+ */
+
+#include 
+
+/*%
+ * A DNS search list specified in the 'domain' or 'search' statements
+ * in the "resolv.conf" file.
+ */
+typedef struct irs_resconf_search {
+	char					*domain;
+	ISC_LINK(struct irs_resconf_search)	link;
+} irs_resconf_search_t;
+
+typedef ISC_LIST(irs_resconf_search_t) irs_resconf_searchlist_t;
+
+ISC_LANG_BEGINDECLS
+
+isc_result_t
+irs_resconf_load(isc_mem_t *mctx, const char *filename, irs_resconf_t **confp);
+/*%<
+ * Load the resolver configuration file 'filename' in the "resolv.conf" format,
+ * and create a new irs_resconf_t object from the configuration.
+ *
+ * Notes:
+ *
+ *\li	Currently, only the following options are supported:
+ *	nameserver, domain, search, sortlist, ndots, and options.
+ *	In addition, 'sortlist' is not actually effective; it's parsed, but
+ *	the application cannot use the configuration.
+ *
+ * Requires:
+ *
+ *\li	'mctx' is a valid memory context.
+ *
+ *\li	'filename' != NULL
+ *
+ *\li	'confp' != NULL && '*confp' == NULL
+ */
+
+void
+irs_resconf_destroy(irs_resconf_t **confp);
+/*%<
+ * Destroy the resconf object.
+ *
+ * Requires:
+ *
+ *\li	'*confp' is a valid resconf object.
+ *
+ * Ensures:
+ *
+ *\li	*confp == NULL
+ */
+
+isc_sockaddrlist_t *
+irs_resconf_getnameservers(irs_resconf_t *conf);
+/*%<
+ * Return a list of name server addresses stored in 'conf'.
+ *
+ * Requires:
+ *
+ *\li	'conf' is a valid resconf object.
+ */
+
+irs_resconf_searchlist_t *
+irs_resconf_getsearchlist(irs_resconf_t *conf);
+/*%<
+ * Return the search list stored in 'conf'.
+ *
+ * Requires:
+ *
+ *\li	'conf' is a valid resconf object.
+ */
+
+unsigned int
+irs_resconf_getndots(irs_resconf_t *conf);
+/*%<
+ * Return the 'ndots' value stored in 'conf'.
+ *
+ * Requires:
+ *
+ *\li	'conf' is a valid resconf object.
+ */
+
+ISC_LANG_ENDDECLS
+
+#endif /* IRS_RESCONF_H */
diff --git a/lib/irs/include/irs/types.h b/lib/irs/include/irs/types.h
new file mode 100644
index 0000000..4b8a804
--- /dev/null
+++ b/lib/irs/include/irs/types.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: types.h,v 1.3 2009-09-02 23:48:02 tbox Exp $ */
+
+#ifndef IRS_TYPES_H
+#define IRS_TYPES_H 1
+
+/* Core Types.  Alphabetized by defined type. */
+
+/*%< per-thread IRS context */
+typedef struct irs_context		irs_context_t;
+/*%< resolv.conf configuration information */
+typedef struct irs_resconf		irs_resconf_t;
+/*%< advanced DNS-related configuration information */
+typedef struct irs_dnsconf		irs_dnsconf_t;
+
+#endif /* IRS_TYPES_H */
diff --git a/lib/irs/include/irs/version.h b/lib/irs/include/irs/version.h
new file mode 100644
index 0000000..f43aa14
--- /dev/null
+++ b/lib/irs/include/irs/version.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: version.h,v 1.3 2009-09-02 23:48:02 tbox Exp $ */
+
+/*! \file */
+
+#include 
+
+LIBIRS_EXTERNAL_DATA extern const char irs_version[];
+
+LIBIRS_EXTERNAL_DATA extern const unsigned int irs_libinterface;
+LIBIRS_EXTERNAL_DATA extern const unsigned int irs_librevision;
+LIBIRS_EXTERNAL_DATA extern const unsigned int irs_libage;
diff --git a/lib/irs/resconf.c b/lib/irs/resconf.c
new file mode 100644
index 0000000..af1413b
--- /dev/null
+++ b/lib/irs/resconf.c
@@ -0,0 +1,636 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: resconf.c,v 1.3 2009-09-02 23:48:02 tbox Exp $ */
+
+/*! \file resconf.c */
+
+/**
+ * Module for parsing resolv.conf files (largely derived from lwconfig.c).
+ *
+ *    irs_resconf_load() opens the file filename and parses it to initialize
+ *    the configuration structure.
+ *
+ * \section lwconfig_return Return Values
+ *
+ *    irs_resconf_load() returns #IRS_R_SUCCESS if it successfully read and
+ *    parsed filename. It returns a non-0 error code if filename could not be
+ *    opened or contained incorrect resolver statements.
+ *
+ * \section lwconfig_see See Also
+ *
+ *    stdio(3), \link resolver resolver \endlink
+ *
+ * \section files Files
+ *
+ *    /etc/resolv.conf
+ */
+
+#include 
+
+#include 
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include 
+
+#define IRS_RESCONF_MAGIC		ISC_MAGIC('R', 'E', 'S', 'c')
+#define IRS_RESCONF_VALID(c)		ISC_MAGIC_VALID(c, IRS_RESCONF_MAGIC)
+
+/*!
+ * protocol constants
+ */
+
+#if ! defined(NS_INADDRSZ)
+#define NS_INADDRSZ	 4
+#endif
+
+#if ! defined(NS_IN6ADDRSZ)
+#define NS_IN6ADDRSZ	16
+#endif
+
+/*!
+ * resolv.conf parameters
+ */
+
+#define RESCONFMAXNAMESERVERS 3		/*%< max 3 "nameserver" entries */
+#define RESCONFMAXSEARCH 8		/*%< max 8 domains in "search" entry */
+#define RESCONFMAXLINELEN 256		/*%< max size of a line */
+#define RESCONFMAXSORTLIST 10		/*%< max 10 */
+
+/*!
+ * configuration data structure
+ */
+
+struct irs_resconf {
+	/*
+	 * The configuration data is a thread-specific object, and does not
+	 * need to be locked.
+	 */
+	unsigned int		magic;
+	isc_mem_t		*mctx;
+
+	isc_sockaddrlist_t	nameservers;
+	unsigned int		numns; /*%< number of configured servers */
+
+	char	       		*domainname;
+	char 	       		*search[RESCONFMAXSEARCH];
+	isc_uint8_t		searchnxt; /*%< index for next free slot */
+
+	irs_resconf_searchlist_t searchlist;
+
+	struct {
+		isc_netaddr_t	addr;
+		/*% mask has a non-zero 'family' if set */
+		isc_netaddr_t	mask;
+	} sortlist[RESCONFMAXSORTLIST];
+	isc_uint8_t		sortlistnxt;
+
+	/*%< non-zero if 'options debug' set */
+	isc_uint8_t		resdebug;
+	/*%< set to n in 'options ndots:n' */
+	isc_uint8_t		ndots;
+};
+
+static isc_result_t
+resconf_parsenameserver(irs_resconf_t *conf,  FILE *fp);
+static isc_result_t
+resconf_parsedomain(irs_resconf_t *conf,  FILE *fp);
+static isc_result_t
+resconf_parsesearch(irs_resconf_t *conf,  FILE *fp);
+static isc_result_t
+resconf_parsesortlist(irs_resconf_t *conf,  FILE *fp);
+static isc_result_t
+resconf_parseoption(irs_resconf_t *ctx,  FILE *fp);
+
+/*!
+ * Eat characters from FP until EOL or EOF. Returns EOF or '\n'
+ */
+static int
+eatline(FILE *fp) {
+	int ch;
+
+	ch = fgetc(fp);
+	while (ch != '\n' && ch != EOF)
+		ch = fgetc(fp);
+
+	return (ch);
+}
+
+/*!
+ * Eats white space up to next newline or non-whitespace character (of
+ * EOF). Returns the last character read. Comments are considered white
+ * space.
+ */
+static int
+eatwhite(FILE *fp) {
+	int ch;
+
+	ch = fgetc(fp);
+	while (ch != '\n' && ch != EOF && isspace((unsigned char)ch))
+		ch = fgetc(fp);
+
+	if (ch == ';' || ch == '#')
+		ch = eatline(fp);
+
+	return (ch);
+}
+
+/*!
+ * Skip over any leading whitespace and then read in the next sequence of
+ * non-whitespace characters. In this context newline is not considered
+ * whitespace. Returns EOF on end-of-file, or the character
+ * that caused the reading to stop.
+ */
+static int
+getword(FILE *fp, char *buffer, size_t size) {
+	int ch;
+	char *p = buffer;
+
+	REQUIRE(buffer != NULL);
+	REQUIRE(size > 0U);
+
+	*p = '\0';
+
+	ch = eatwhite(fp);
+
+	if (ch == EOF)
+		return (EOF);
+
+	do {
+		*p = '\0';
+
+		if (ch == EOF || isspace((unsigned char)ch))
+			break;
+		else if ((size_t) (p - buffer) == size - 1)
+			return (EOF);	/* Not enough space. */
+
+		*p++ = (char)ch;
+		ch = fgetc(fp);
+	} while (1);
+
+	return (ch);
+}
+
+static isc_result_t
+add_server(isc_mem_t *mctx, const char *address_str,
+	   isc_sockaddrlist_t *nameservers)
+{
+	int error;
+	isc_sockaddr_t *address = NULL;
+	struct addrinfo hints, *res;
+	isc_result_t result = ISC_R_SUCCESS;
+
+	res = NULL;
+	memset(&hints, 0, sizeof(hints));
+	hints.ai_family = AF_UNSPEC;
+	hints.ai_socktype = SOCK_DGRAM;
+	hints.ai_protocol = IPPROTO_UDP;
+	hints.ai_flags = AI_NUMERICHOST;
+	error = getaddrinfo(address_str, "53", &hints, &res);
+	if (error != 0)
+		return (ISC_R_BADADDRESSFORM);
+
+	/* XXX: special case: treat all-0 IPv4 address as loopback */
+	if (res->ai_family == AF_INET) {
+		struct in_addr *v4;
+		unsigned char zeroaddress[] = {0, 0, 0, 0};
+		unsigned char loopaddress[] = {127, 0, 0, 1};
+
+		v4 = &((struct sockaddr_in *)res->ai_addr)->sin_addr;
+		if (memcmp(v4, zeroaddress, 4) == 0)
+			memcpy(v4, loopaddress, 4);
+	}
+
+	address = isc_mem_get(mctx, sizeof(*address));
+	if (address == NULL) {
+		result = ISC_R_NOMEMORY;
+		goto cleanup;
+	}
+	if (res->ai_addrlen > sizeof(address->type)) {
+		isc_mem_put(mctx, address, sizeof(*address));
+		result = ISC_R_RANGE;
+		goto cleanup;
+	}
+	address->length = res->ai_addrlen;
+	memcpy(&address->type.sa, res->ai_addr, res->ai_addrlen);
+	ISC_LINK_INIT(address, link);
+	ISC_LIST_APPEND(*nameservers, address, link);
+
+  cleanup:
+	freeaddrinfo(res);
+
+	return (result);
+}
+
+static isc_result_t
+create_addr(const char *buffer, isc_netaddr_t *addr, int convert_zero) {
+	struct in_addr v4;
+	struct in6_addr v6;
+
+	if (inet_aton(buffer, &v4) == 1) {
+		if (convert_zero) {
+			unsigned char zeroaddress[] = {0, 0, 0, 0};
+			unsigned char loopaddress[] = {127, 0, 0, 1};
+			if (memcmp(&v4, zeroaddress, 4) == 0)
+				memcpy(&v4, loopaddress, 4);
+		}
+		addr->family = AF_INET;
+		memcpy(&addr->type.in, &v4, NS_INADDRSZ);
+		addr->zone = 0;
+	} else if (inet_pton(AF_INET6, buffer, &v6) == 1) {
+		addr->family = AF_INET6;
+		memcpy(&addr->type.in6, &v6, NS_IN6ADDRSZ);
+		addr->zone = 0;
+	} else
+		return (ISC_R_BADADDRESSFORM); /* Unrecognised format. */
+
+	return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+resconf_parsenameserver(irs_resconf_t *conf,  FILE *fp) {
+	char word[RESCONFMAXLINELEN];
+	int cp;
+	isc_result_t result;
+
+	if (conf->numns == RESCONFMAXNAMESERVERS)
+		return (ISC_R_SUCCESS);
+
+	cp = getword(fp, word, sizeof(word));
+	if (strlen(word) == 0U)
+		return (ISC_R_UNEXPECTEDEND); /* Nothing on line. */
+	else if (cp == ' ' || cp == '\t')
+		cp = eatwhite(fp);
+
+	if (cp != EOF && cp != '\n')
+		return (ISC_R_UNEXPECTEDTOKEN); /* Extra junk on line. */
+
+	result = add_server(conf->mctx, word, &conf->nameservers);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+	conf->numns++;
+
+	return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+resconf_parsedomain(irs_resconf_t *conf,  FILE *fp) {
+	char word[RESCONFMAXLINELEN];
+	int res, i;
+
+	res = getword(fp, word, sizeof(word));
+	if (strlen(word) == 0U)
+		return (ISC_R_UNEXPECTEDEND); /* Nothing else on line. */
+	else if (res == ' ' || res == '\t')
+		res = eatwhite(fp);
+
+	if (res != EOF && res != '\n')
+		return (ISC_R_UNEXPECTEDTOKEN); /* Extra junk on line. */
+
+	if (conf->domainname != NULL)
+		isc_mem_free(conf->mctx, conf->domainname);
+
+	/*
+	 * Search and domain are mutually exclusive.
+	 */
+	for (i = 0; i < RESCONFMAXSEARCH; i++) {
+		if (conf->search[i] != NULL) {
+			isc_mem_free(conf->mctx, conf->search[i]);
+			conf->search[i] = NULL;
+		}
+	}
+	conf->searchnxt = 0;
+
+	conf->domainname = isc_mem_strdup(conf->mctx, word);
+	if (conf->domainname == NULL)
+		return (ISC_R_NOMEMORY);
+
+	return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+resconf_parsesearch(irs_resconf_t *conf,  FILE *fp) {
+	int idx, delim;
+	char word[RESCONFMAXLINELEN];
+
+	if (conf->domainname != NULL) {
+		/*
+		 * Search and domain are mutually exclusive.
+		 */
+		isc_mem_free(conf->mctx, conf->domainname);
+		conf->domainname = NULL;
+	}
+
+	/*
+	 * Remove any previous search definitions.
+	 */
+	for (idx = 0; idx < RESCONFMAXSEARCH; idx++) {
+		if (conf->search[idx] != NULL) {
+			isc_mem_free(conf->mctx, conf->search[idx]);
+			conf->search[idx] = NULL;
+		}
+	}
+	conf->searchnxt = 0;
+
+	delim = getword(fp, word, sizeof(word));
+	if (strlen(word) == 0U)
+		return (ISC_R_UNEXPECTEDEND); /* Nothing else on line. */
+
+	idx = 0;
+	while (strlen(word) > 0U) {
+		if (conf->searchnxt == RESCONFMAXSEARCH)
+			goto ignore; /* Too many domains. */
+
+		conf->search[idx] = isc_mem_strdup(conf->mctx, word);
+		if (conf->search[idx] == NULL)
+			return (ISC_R_NOMEMORY);
+		idx++;
+		conf->searchnxt++;
+
+	ignore:
+		if (delim == EOF || delim == '\n')
+			break;
+		else
+			delim = getword(fp, word, sizeof(word));
+	}
+
+	return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+resconf_parsesortlist(irs_resconf_t *conf,  FILE *fp) {
+	int delim, res, idx;
+	char word[RESCONFMAXLINELEN];
+	char *p;
+
+	delim = getword(fp, word, sizeof(word));
+	if (strlen(word) == 0U)
+		return (ISC_R_UNEXPECTEDEND); /* Empty line after keyword. */
+
+	while (strlen(word) > 0U) {
+		if (conf->sortlistnxt == RESCONFMAXSORTLIST)
+			return (ISC_R_QUOTA); /* Too many values. */
+
+		p = strchr(word, '/');
+		if (p != NULL)
+			*p++ = '\0';
+
+		idx = conf->sortlistnxt;
+		res = create_addr(word, &conf->sortlist[idx].addr, 1);
+		if (res != ISC_R_SUCCESS)
+			return (res);
+
+		if (p != NULL) {
+			res = create_addr(p, &conf->sortlist[idx].mask, 0);
+			if (res != ISC_R_SUCCESS)
+				return (res);
+		} else {
+			/*
+			 * Make up a mask. (XXX: is this correct?)
+			 */
+			conf->sortlist[idx].mask = conf->sortlist[idx].addr;
+			memset(&conf->sortlist[idx].mask.type, 0xff,
+			       sizeof(conf->sortlist[idx].mask.type));
+		}
+
+		conf->sortlistnxt++;
+
+		if (delim == EOF || delim == '\n')
+			break;
+		else
+			delim = getword(fp, word, sizeof(word));
+	}
+
+	return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+resconf_parseoption(irs_resconf_t *conf,  FILE *fp) {
+	int delim;
+	long ndots;
+	char *p;
+	char word[RESCONFMAXLINELEN];
+
+	delim = getword(fp, word, sizeof(word));
+	if (strlen(word) == 0U)
+		return (ISC_R_UNEXPECTEDEND); /* Empty line after keyword. */
+
+	while (strlen(word) > 0U) {
+		if (strcmp("debug", word) == 0) {
+			conf->resdebug = 1;
+		} else if (strncmp("ndots:", word, 6) == 0) {
+			ndots = strtol(word + 6, &p, 10);
+			if (*p != '\0') /* Bad string. */
+				return (ISC_R_UNEXPECTEDTOKEN);
+			if (ndots < 0 || ndots > 0xff) /* Out of range. */
+				return (ISC_R_RANGE);
+			conf->ndots = (isc_uint8_t)ndots;
+		}
+
+		if (delim == EOF || delim == '\n')
+			break;
+		else
+			delim = getword(fp, word, sizeof(word));
+	}
+
+	return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+add_search(irs_resconf_t *conf, char *domain) {
+	irs_resconf_search_t *entry;
+
+	entry = isc_mem_get(conf->mctx, sizeof(*entry));
+	if (entry == NULL)
+		return (ISC_R_NOMEMORY);
+
+	entry->domain = domain;
+	ISC_LINK_INIT(entry, link);
+	ISC_LIST_APPEND(conf->searchlist, entry, link);
+
+	return (ISC_R_SUCCESS);
+}
+
+/*% parses a file and fills in the data structure. */
+isc_result_t
+irs_resconf_load(isc_mem_t *mctx, const char *filename, irs_resconf_t **confp)
+{
+	FILE *fp = NULL;
+	char word[256];
+	isc_result_t rval, ret;
+	irs_resconf_t *conf;
+	int i, stopchar;
+
+	REQUIRE(mctx != NULL);
+	REQUIRE(filename != NULL);
+	REQUIRE(strlen(filename) > 0U);
+	REQUIRE(confp != NULL && *confp == NULL);
+
+	conf = isc_mem_get(mctx, sizeof(*conf));
+	if (conf == NULL)
+		return (ISC_R_NOMEMORY);
+
+	conf->mctx = mctx;
+	ISC_LIST_INIT(conf->nameservers);
+	conf->numns = 0;
+	conf->domainname = NULL;
+	conf->searchnxt = 0;
+	conf->resdebug = 0;
+	conf->ndots = 1;
+	for (i = 0; i < RESCONFMAXSEARCH; i++)
+		conf->search[i] = NULL;
+
+	errno = 0;
+	if ((fp = fopen(filename, "r")) == NULL) {
+		isc_mem_put(mctx, conf, sizeof(*conf));
+		return (ISC_R_INVALIDFILE);
+	}
+
+	ret = ISC_R_SUCCESS;
+	do {
+		stopchar = getword(fp, word, sizeof(word));
+		if (stopchar == EOF) {
+			rval = ISC_R_SUCCESS;
+			break;
+		}
+
+		if (strlen(word) == 0U)
+			rval = ISC_R_SUCCESS;
+		else if (strcmp(word, "nameserver") == 0)
+			rval = resconf_parsenameserver(conf, fp);
+		else if (strcmp(word, "domain") == 0)
+			rval = resconf_parsedomain(conf, fp);
+		else if (strcmp(word, "search") == 0)
+			rval = resconf_parsesearch(conf, fp);
+		else if (strcmp(word, "sortlist") == 0)
+			rval = resconf_parsesortlist(conf, fp);
+		else if (strcmp(word, "options") == 0)
+			rval = resconf_parseoption(conf, fp);
+		else {
+			/* unrecognised word. Ignore entire line */
+			rval = ISC_R_SUCCESS;
+			stopchar = eatline(fp);
+			if (stopchar == EOF) {
+				break;
+			}
+		}
+		if (ret == ISC_R_SUCCESS && rval != ISC_R_SUCCESS)
+			ret = rval;
+	} while (1);
+
+	fclose(fp);
+
+	/* If we don't find a nameserver fall back to localhost */
+	if (conf->numns == 0) {
+		INSIST(ISC_LIST_EMPTY(conf->nameservers));
+
+		/* XXX: should we catch errors? */
+		(void)add_server(conf->mctx, "127.0.0.1", &conf->nameservers);
+		(void)add_server(conf->mctx, "::1", &conf->nameservers);
+	}
+
+	/*
+	 * Construct unified search list from domain or configured
+	 * search list
+	 */
+	ISC_LIST_INIT(conf->searchlist);
+	if (conf->domainname != NULL) {
+		ret = add_search(conf, conf->domainname);
+	} else if (conf->searchnxt > 0) {
+		for (i = 0; i < conf->searchnxt; i++) {
+			ret = add_search(conf, conf->search[i]);
+			if (ret != ISC_R_SUCCESS)
+				break;
+		}
+	}
+
+	conf->magic = IRS_RESCONF_MAGIC;
+
+	if (ret != ISC_R_SUCCESS)
+		irs_resconf_destroy(&conf);
+	else
+		*confp = conf;
+
+	return (ret);
+}
+
+void
+irs_resconf_destroy(irs_resconf_t **confp) {
+	irs_resconf_t *conf;
+	isc_sockaddr_t *address;
+	irs_resconf_search_t *searchentry;
+	int i;
+
+	REQUIRE(confp != NULL);
+	conf = *confp;
+	REQUIRE(IRS_RESCONF_VALID(conf));
+
+	while ((searchentry = ISC_LIST_HEAD(conf->searchlist)) != NULL) {
+		ISC_LIST_UNLINK(conf->searchlist, searchentry, link);
+		isc_mem_put(conf->mctx, searchentry, sizeof(*searchentry));
+	}
+
+	while ((address = ISC_LIST_HEAD(conf->nameservers)) != NULL) {
+		ISC_LIST_UNLINK(conf->nameservers, address, link);
+		isc_mem_put(conf->mctx, address, sizeof(*address));
+	}
+
+	if (conf->domainname != NULL)
+		isc_mem_free(conf->mctx, conf->domainname);
+
+	for (i = 0; i < RESCONFMAXSEARCH; i++) {
+		if (conf->search[i] != NULL)
+			isc_mem_free(conf->mctx, conf->search[i]);
+	}
+
+	isc_mem_put(conf->mctx, conf, sizeof(*conf));
+
+	*confp = NULL;
+}
+
+isc_sockaddrlist_t *
+irs_resconf_getnameservers(irs_resconf_t *conf) {
+	REQUIRE(IRS_RESCONF_VALID(conf));
+
+	return (&conf->nameservers);
+}
+
+irs_resconf_searchlist_t *
+irs_resconf_getsearchlist(irs_resconf_t *conf) {
+	REQUIRE(IRS_RESCONF_VALID(conf));
+
+	return (&conf->searchlist);
+}
+
+unsigned int
+irs_resconf_getndots(irs_resconf_t *conf) {
+	REQUIRE(IRS_RESCONF_VALID(conf));
+
+	return ((unsigned int)conf->ndots);
+}
diff --git a/lib/irs/version.c b/lib/irs/version.c
new file mode 100644
index 0000000..b27de99
--- /dev/null
+++ b/lib/irs/version.c
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: version.c,v 1.3 2009-09-02 23:48:02 tbox Exp $ */
+
+/*! \file */
+
+#include 
+
+const char irs_version[] = VERSION;
+
+const unsigned int irs_libinterface = LIBINTERFACE;
+const unsigned int irs_librevision = LIBREVISION;
+const unsigned int irs_libage = LIBAGE;
diff --git a/lib/isc/Makefile.in b/lib/isc/Makefile.in
index d831fcf..d92c0b8 100644
--- a/lib/isc/Makefile.in
+++ b/lib/isc/Makefile.in
@@ -13,7 +13,7 @@
 # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 # PERFORMANCE OF THIS SOFTWARE.
 
-# $Id: Makefile.in,v 1.96.50.6 2010-06-09 01:52:54 marka Exp $
+# $Id: Makefile.in,v 1.109 2010-06-09 01:43:09 marka Exp $
 
 srcdir =	@srcdir@
 VPATH =		@srcdir@
@@ -27,8 +27,8 @@ CINCLUDES =	-I${srcdir}/unix/include \
 		-I${srcdir}/@ISC_THREAD_DIR@/include \
 		-I${srcdir}/@ISC_ARCH_DIR@/include \
 		-I./include \
-		-I${srcdir}/include
-CDEFINES =
+		-I${srcdir}/include @ISC_OPENSSL_INC@
+CDEFINES =	@USE_OPENSSL@
 CWARNINGS =
 
 # Alphabetically
@@ -39,7 +39,6 @@ UNIXOBJS =	@ISC_ISCIPV6_O@ \
 		unix/os.@O@ unix/resource.@O@ unix/socket.@O@ unix/stdio.@O@ \
 		unix/stdtime.@O@ unix/strerror.@O@ unix/syslog.@O@ unix/time.@O@
 
-
 NLSOBJS =	nls/msgcat.@O@
 
 THREADOPTOBJS = @ISC_THREAD_DIR@/condition.@O@ @ISC_THREAD_DIR@/mutex.@O@
@@ -52,8 +51,9 @@ WIN32OBJS = 	win32/condition.@O@ win32/dir.@O@ win32/file.@O@ \
 
 # Alphabetically
 OBJS =		@ISC_EXTRA_OBJS@ \
-		assertions.@O@ base32.@O@ base64.@O@ bitstring.@O@ buffer.@O@ \
-		bufferlist.@O@ commandline.@O@ error.@O@ event.@O@ \
+		assertions.@O@ backtrace.@O@ base32.@O@ base64.@O@ \
+		bitstring.@O@ buffer.@O@ bufferlist.@O@ commandline.@O@ \
+		error.@O@ event.@O@ \
 		hash.@O@ heap.@O@ hex.@O@ hmacmd5.@O@ hmacsha.@O@ \
 		httpd.@O@ inet_aton.@O@ iterated_hash.@O@ \
 		lex.@O@ lfsr.@O@ lib.@O@ log.@O@ \
@@ -64,11 +64,12 @@ OBJS =		@ISC_EXTRA_OBJS@ \
 		serial.@O@ sha1.@O@ sha2.@O@ sockaddr.@O@ stats.@O@ \
 		string.@O@ strtoul.@O@ symtab.@O@ task.@O@ taskpool.@O@ \
 		timer.@O@ version.@O@ ${UNIXOBJS} ${NLSOBJS} ${THREADOBJS}
+SYMTBLOBJS =	backtrace-emptytbl.@O@
 
 # Alphabetically
 SRCS =		@ISC_EXTRA_SRCS@ \
-		assertions.c base32.c base64.c bitstring.c buffer.c \
-		bufferlist.c commandline.c error.c event.c \
+		assertions.c backtrace.c base32.c base64.c bitstring.c \
+		buffer.c bufferlist.c commandline.c error.c event.c \
 		heap.c hex.c hmacmd5.c hmacsha.c \
 		httpd.c inet_aton.c iterated_hash.c \
 		lex.c lfsr.c lib.c log.c \
@@ -77,7 +78,7 @@ SRCS =		@ISC_EXTRA_SRCS@ \
 		parseint.c portset.c quota.c radix.c random.c \
 		ratelimiter.c refcount.c region.c result.c rwlock.c \
 		serial.c sha1.c sha2.c sockaddr.c stats.c string.c strtoul.c \
-		symtab.c task.c taskpool.c timer.c version.c
+		symtab.c symtbl-empty.c task.c taskpool.c timer.c version.c
 
 LIBS =		@LIBS@
 
@@ -98,17 +99,27 @@ version.@O@: version.c
 		-DLIBAGE=${LIBAGE} \
 		-c ${srcdir}/version.c
 
-libisc.@SA@: ${OBJS}
+libisc.@SA@: ${OBJS} ${SYMTBLOBJS}
+	${AR} ${ARFLAGS} $@ ${OBJS} ${SYMTBLOBJS}
+	${RANLIB} $@
+
+libisc-nosymtbl.@SA@: ${OBJS}
 	${AR} ${ARFLAGS} $@ ${OBJS}
 	${RANLIB} $@
 
-libisc.la: ${OBJS}
+libisc.la: ${OBJS} ${SYMTBLOBJS}
 	${LIBTOOL_MODE_LINK} \
 		${CC} ${ALL_CFLAGS} ${LDFLAGS} -o libisc.la -rpath ${libdir} \
 		-version-info ${LIBINTERFACE}:${LIBREVISION}:${LIBAGE} \
+		${OBJS} ${SYMTBLOBJS} ${LIBS}
+
+libisc-nosymtbl.la: ${OBJS}
+	${LIBTOOL_MODE_LINK} \
+		${CC} ${ALL_CFLAGS} ${LDFLAGS} -o libisc-nosymtbl.la -rpath ${libdir} \
+		-version-info ${LIBINTERFACE}:${LIBREVISION}:${LIBAGE} \
 		${OBJS} ${LIBS}
 
-timestamp: libisc.@A@
+timestamp: libisc.@A@ libisc-nosymtbl.@A@
 	touch timestamp
 
 installdirs:
@@ -118,4 +129,5 @@ install:: timestamp installdirs
 	${LIBTOOL_MODE_INSTALL} ${INSTALL_DATA} libisc.@A@ ${DESTDIR}${libdir}
 
 clean distclean::
-	rm -f libisc.@A@ libisc.la timestamp
+	rm -f libisc.@A@ libisc-nosymtbl.@A@ libisc.la \
+	libisc-nosymtbl.la timestamp
diff --git a/lib/isc/alpha/include/isc/atomic.h b/lib/isc/alpha/include/isc/atomic.h
index bb4f1ad..012c955 100644
--- a/lib/isc/alpha/include/isc/atomic.h
+++ b/lib/isc/alpha/include/isc/atomic.h
@@ -14,7 +14,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: atomic.h,v 1.5.332.2 2009-04-08 06:47:32 tbox Exp $ */
+/* $Id: atomic.h,v 1.7 2009-04-08 06:48:23 tbox Exp $ */
 
 /*
  * This code was written based on FreeBSD's kernel source whose copyright
diff --git a/lib/isc/api b/lib/isc/api
index e1f7b71..b91b130 100644
--- a/lib/isc/api
+++ b/lib/isc/api
@@ -1,3 +1,3 @@
-LIBINTERFACE = 54
-LIBREVISION = 1
-LIBAGE = 4
+LIBINTERFACE = 81
+LIBREVISION = 2
+LIBAGE = 0
diff --git a/lib/isc/app_api.c b/lib/isc/app_api.c
new file mode 100644
index 0000000..b2a2f14
--- /dev/null
+++ b/lib/isc/app_api.c
@@ -0,0 +1,136 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: app_api.c,v 1.5 2009-09-02 23:48:02 tbox Exp $ */
+
+#include 
+
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+
+static isc_mutex_t createlock;
+static isc_once_t once = ISC_ONCE_INIT;
+static isc_appctxcreatefunc_t appctx_createfunc = NULL;
+
+#define ISCAPI_APPMETHODS_VALID(m) ISC_MAGIC_VALID(m, ISCAPI_APPMETHODS_MAGIC)
+
+static void
+initialize(void) {
+	RUNTIME_CHECK(isc_mutex_init(&createlock) == ISC_R_SUCCESS);
+}
+
+isc_result_t
+isc_app_register(isc_appctxcreatefunc_t createfunc) {
+	isc_result_t result = ISC_R_SUCCESS;
+
+	RUNTIME_CHECK(isc_once_do(&once, initialize) == ISC_R_SUCCESS);
+
+	LOCK(&createlock);
+	if (appctx_createfunc == NULL)
+		appctx_createfunc = createfunc;
+	else
+		result = ISC_R_EXISTS;
+	UNLOCK(&createlock);
+
+	return (result);
+}
+
+isc_result_t
+isc_appctx_create(isc_mem_t *mctx, isc_appctx_t **ctxp) {
+	isc_result_t result;
+
+	LOCK(&createlock);
+
+	REQUIRE(appctx_createfunc != NULL);
+	result = (*appctx_createfunc)(mctx, ctxp);
+
+	UNLOCK(&createlock);
+
+	return (result);
+}
+
+void
+isc_appctx_destroy(isc_appctx_t **ctxp) {
+	REQUIRE(ctxp != NULL && ISCAPI_APPCTX_VALID(*ctxp));
+
+	(*ctxp)->methods->ctxdestroy(ctxp);
+
+	ENSURE(*ctxp == NULL);
+}
+
+isc_result_t
+isc_app_ctxstart(isc_appctx_t *ctx) {
+	REQUIRE(ISCAPI_APPCTX_VALID(ctx));
+
+	return (ctx->methods->ctxstart(ctx));
+}
+
+isc_result_t
+isc_app_ctxrun(isc_appctx_t *ctx) {
+	REQUIRE(ISCAPI_APPCTX_VALID(ctx));
+
+	return (ctx->methods->ctxrun(ctx));
+}
+
+isc_result_t
+isc_app_ctxsuspend(isc_appctx_t *ctx) {
+	REQUIRE(ISCAPI_APPCTX_VALID(ctx));
+
+	return (ctx->methods->ctxsuspend(ctx));
+}
+
+isc_result_t
+isc_app_ctxshutdown(isc_appctx_t *ctx) {
+	REQUIRE(ISCAPI_APPCTX_VALID(ctx));
+
+	return (ctx->methods->ctxshutdown(ctx));
+}
+
+void
+isc_app_ctxfinish(isc_appctx_t *ctx) {
+	REQUIRE(ISCAPI_APPCTX_VALID(ctx));
+
+	ctx->methods->ctxfinish(ctx);
+}
+
+void
+isc_appctx_settaskmgr(isc_appctx_t *ctx, isc_taskmgr_t *taskmgr) {
+	REQUIRE(ISCAPI_APPCTX_VALID(ctx));
+	REQUIRE(taskmgr != NULL);
+
+	ctx->methods->settaskmgr(ctx, taskmgr);
+}
+
+void
+isc_appctx_setsocketmgr(isc_appctx_t *ctx, isc_socketmgr_t *socketmgr) {
+	REQUIRE(ISCAPI_APPCTX_VALID(ctx));
+	REQUIRE(socketmgr != NULL);
+
+	ctx->methods->setsocketmgr(ctx, socketmgr);
+}
+
+void
+isc_appctx_settimermgr(isc_appctx_t *ctx, isc_timermgr_t *timermgr) {
+	REQUIRE(ISCAPI_APPCTX_VALID(ctx));
+	REQUIRE(timermgr != NULL);
+
+	ctx->methods->settimermgr(ctx, timermgr);
+}
diff --git a/lib/isc/assertions.c b/lib/isc/assertions.c
index b98d61d..fe082b7 100644
--- a/lib/isc/assertions.c
+++ b/lib/isc/assertions.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007, 2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007-2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1997-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: assertions.c,v 1.23 2008-10-15 23:47:31 tbox Exp $ */
+/* $Id: assertions.c,v 1.26 2009-09-29 15:06:07 fdupont Exp $ */
 
 /*! \file */
 
@@ -25,29 +25,47 @@
 #include 
 
 #include 
+#include 
 #include 
+#include 
+
+/*
+ * The maximum number of stack frames to dump on assertion failure.
+ */
+#ifndef BACKTRACE_MAXFRAME
+#define BACKTRACE_MAXFRAME 128
+#endif
 
 /*%
  * Forward.
  */
-/* coverity[+kill] */
 static void
 default_callback(const char *, int, isc_assertiontype_t, const char *);
 
+static isc_assertioncallback_t isc_assertion_failed_cb = default_callback;
+
 /*%
  * Public.
  */
 
-LIBISC_EXTERNAL_DATA isc_assertioncallback_t isc_assertion_failed =
-					     default_callback;
+/*% assertion failed handler */
+/* coverity[+kill] */
+void
+isc_assertion_failed(const char *file, int line, isc_assertiontype_t type,
+		     const char *cond)
+{
+	isc_assertion_failed_cb(file, line, type, cond);
+	abort();
+	/* NOTREACHED */
+}
 
 /*% Set callback. */
 void
 isc_assertion_setcallback(isc_assertioncallback_t cb) {
 	if (cb == NULL)
-		isc_assertion_failed = default_callback;
+		isc_assertion_failed_cb = default_callback;
 	else
-		isc_assertion_failed = cb;
+		isc_assertion_failed_cb = cb;
 }
 
 /*% Type to Text */
@@ -87,11 +105,35 @@ static void
 default_callback(const char *file, int line, isc_assertiontype_t type,
 		 const char *cond)
 {
-	fprintf(stderr, "%s:%d: %s(%s) %s.\n",
+	void *tracebuf[BACKTRACE_MAXFRAME];
+	int i, nframes;
+	const char *logsuffix = ".";
+	const char *fname;
+	isc_result_t result;
+
+	result = isc_backtrace_gettrace(tracebuf, BACKTRACE_MAXFRAME, &nframes);
+		if (result == ISC_R_SUCCESS && nframes > 0)
+			logsuffix = ", back trace";
+
+	fprintf(stderr, "%s:%d: %s(%s) %s%s\n",
 		file, line, isc_assertion_typetotext(type), cond,
 		isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL,
-			       ISC_MSG_FAILED, "failed"));
+			       ISC_MSG_FAILED, "failed"), logsuffix);
+	if (result == ISC_R_SUCCESS) {
+		for (i = 0; i < nframes; i++) {
+			unsigned long offset;
+
+			fname = NULL;
+			result = isc_backtrace_getsymbol(tracebuf[i], &fname,
+							 &offset);
+			if (result == ISC_R_SUCCESS) {
+				fprintf(stderr, "#%d %p in %s()+0x%lx\n", i,
+					tracebuf[i], fname, offset);
+			} else {
+				fprintf(stderr, "#%d %p in ??\n", i,
+					tracebuf[i]);
+			}
+		}
+	}
 	fflush(stderr);
-	abort();
-	/* NOTREACHED */
 }
diff --git a/lib/isc/backtrace-emptytbl.c b/lib/isc/backtrace-emptytbl.c
new file mode 100644
index 0000000..2743030
--- /dev/null
+++ b/lib/isc/backtrace-emptytbl.c
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: backtrace-emptytbl.c,v 1.3 2009-09-01 20:13:44 each Exp $ */
+
+/*! \file */
+
+/*
+ * This file defines an empty (default) symbol table used in backtrace.c
+ * If the application wants to have a complete symbol table, it should redefine
+ * isc__backtrace_symtable with the complete table in some way, and link the
+ * version of the library not including this definition
+ * (e.g. libisc-nosymbol.a).
+ */
+
+#include 
+
+#include 
+
+const int isc__backtrace_nsymbols = 0;
+const isc_backtrace_symmap_t isc__backtrace_symtable[] = { { NULL, "" } };
diff --git a/lib/isc/backtrace.c b/lib/isc/backtrace.c
new file mode 100644
index 0000000..7b5ddfe
--- /dev/null
+++ b/lib/isc/backtrace.c
@@ -0,0 +1,285 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: backtrace.c,v 1.3 2009-09-02 23:48:02 tbox Exp $ */
+
+/*! \file */
+
+#include "config.h"
+
+#include 
+#include 
+#ifdef HAVE_LIBCTRACE
+#include 
+#endif
+
+#include 
+#include 
+#include 
+
+#ifdef ISC_PLATFORM_USEBACKTRACE
+/*
+ * Getting a back trace of a running process is tricky and highly platform
+ * dependent.  Our current approach is as follows:
+ * 1. If the system library supports the "backtrace()" function, use it.
+ * 2. Otherwise, if the compiler is gcc and the architecture is x86_64 or IA64,
+ *    then use gcc's (hidden) Unwind_Backtrace() function.  Note that this
+ *    function doesn't work for C programs on many other architectures.
+ * 3. Otherwise, if the architecture x86 or x86_64, try to unwind the stack
+ *    frame following frame pointers.  This assumes the executable binary
+ *    compiled with frame pointers; this is not always true for x86_64 (rather,
+ *    compiler optimizations often disable frame pointers).  The validation
+ *    checks in getnextframeptr() hopefully rejects bogus values stored in
+ *    the RBP register in such a case.  If the backtrace function itself crashes
+ *    due to this problem, the whole package should be rebuilt with
+ *    --disable-backtrace.
+ */
+#ifdef HAVE_LIBCTRACE
+#define BACKTRACE_LIBC
+#elif defined(__GNUC__) && (defined(__x86_64__) || defined(__ia64__))
+#define BACKTRACE_GCC
+#elif defined(__x86_64__) || defined(__i386__)
+#define BACKTRACE_X86STACK
+#else
+#define BACKTRACE_DISABLED
+#endif  /* HAVE_LIBCTRACE */
+#else	/* !ISC_PLATFORM_USEBACKTRACE */
+#define BACKTRACE_DISABLED
+#endif	/* ISC_PLATFORM_USEBACKTRACE */
+
+#ifdef BACKTRACE_LIBC
+isc_result_t
+isc_backtrace_gettrace(void **addrs, int maxaddrs, int *nframes) {
+	int n;
+
+	/*
+	 * Validate the arguments: intentionally avoid using REQUIRE().
+	 * See notes in backtrace.h.
+	 */
+	if (addrs == NULL || nframes == NULL)
+		return (ISC_R_FAILURE);
+
+	/*
+	 * backtrace(3) includes this function itself in the address array,
+	 * which should be eliminated from the returned sequence.
+	 */
+	n = backtrace(addrs, maxaddrs);
+	if (n < 2)
+		return (ISC_R_NOTFOUND);
+	n--;
+	memmove(addrs, &addrs[1], sizeof(void *) * n);
+	*nframes = n;
+	return (ISC_R_SUCCESS);
+}
+#elif defined(BACKTRACE_GCC)
+extern int _Unwind_Backtrace(void* fn, void* a);
+extern void* _Unwind_GetIP(void* ctx);
+
+typedef struct {
+	void **result;
+	int max_depth;
+	int skip_count;
+	int count;
+} trace_arg_t;
+
+static int
+btcallback(void *uc, void *opq) {
+	trace_arg_t *arg = (trace_arg_t *)opq;
+
+	if (arg->skip_count > 0)
+		arg->skip_count--;
+	else
+		arg->result[arg->count++] = (void *)_Unwind_GetIP(uc);
+	if (arg->count == arg->max_depth)
+		return (5); /* _URC_END_OF_STACK */
+
+	return (0); /* _URC_NO_REASON */
+}
+
+isc_result_t
+isc_backtrace_gettrace(void **addrs, int maxaddrs, int *nframes) {
+	trace_arg_t arg;
+
+	/* Argument validation: see above. */
+	if (addrs == NULL || nframes == NULL)
+		return (ISC_R_FAILURE);
+
+	arg.skip_count = 1;
+	arg.result = addrs;
+	arg.max_depth = maxaddrs;
+	arg.count = 0;
+	_Unwind_Backtrace(btcallback, &arg);
+
+	*nframes = arg.count;
+
+	return (ISC_R_SUCCESS);
+}
+#elif defined(BACKTRACE_X86STACK)
+#ifdef __x86_64__
+static unsigned long
+getrbp() {
+	__asm("movq %rbp, %rax\n");
+}
+#endif
+
+static void **
+getnextframeptr(void **sp) {
+	void **newsp = (void **)*sp;
+
+	/*
+	 * Perform sanity check for the new frame pointer, derived from
+	 * google glog.  This can actually be bogus depending on compiler.
+	 */
+
+	/* prohibit the stack frames from growing downwards */
+	if (newsp <= sp)
+		return (NULL);
+
+	/* A heuristics to reject "too large" frame: this actually happened. */
+	if ((char *)newsp - (char *)sp > 100000)
+		return (NULL);
+
+	/*
+	 * Not sure if other checks used in glog are needed at this moment.
+	 * For our purposes we don't have to consider non-contiguous frames,
+	 * for example.
+	 */
+
+	return (newsp);
+}
+
+isc_result_t
+isc_backtrace_gettrace(void **addrs, int maxaddrs, int *nframes) {
+	int i = 0;
+	void **sp;
+
+	/* Argument validation: see above. */
+	if (addrs == NULL || nframes == NULL)
+		return (ISC_R_FAILURE);
+
+#ifdef __x86_64__
+	sp = (void **)getrbp();
+	if (sp == NULL)
+		return (ISC_R_NOTFOUND);
+	/*
+	 * sp is the frame ptr of this function itself due to the call to
+	 * getrbp(), so need to unwind one frame for consistency.
+	 */
+	sp = getnextframeptr(sp);
+#else
+	/*
+	 * i386: the frame pointer is stored 2 words below the address for the
+	 * first argument.  Note that the body of this function cannot be
+	 * inlined since it depends on the address of the function argument.
+	 */
+	sp = (void **)&addrs - 2;
+#endif
+
+	while (sp != NULL && i < maxaddrs) {
+		addrs[i++] = *(sp + 1);
+		sp = getnextframeptr(sp);
+	}
+
+	*nframes = i;
+
+	return (ISC_R_SUCCESS);
+}
+#elif defined(BACKTRACE_DISABLED)
+isc_result_t
+isc_backtrace_gettrace(void **addrs, int maxaddrs, int *nframes) {
+	/* Argument validation: see above. */
+	if (addrs == NULL || nframes == NULL)
+		return (ISC_R_FAILURE);
+
+	UNUSED(maxaddrs);
+
+	return (ISC_R_NOTIMPLEMENTED);
+}
+#endif
+
+isc_result_t
+isc_backtrace_getsymbolfromindex(int index, const void **addrp,
+				 const char **symbolp)
+{
+	REQUIRE(addrp != NULL && *addrp == NULL);
+	REQUIRE(symbolp != NULL && *symbolp == NULL);
+
+	if (index < 0 || index >= isc__backtrace_nsymbols)
+		return (ISC_R_RANGE);
+
+	*addrp = isc__backtrace_symtable[index].addr;
+	*symbolp = isc__backtrace_symtable[index].symbol;
+	return (ISC_R_SUCCESS);
+}
+
+static int
+symtbl_compare(const void *addr, const void *entryarg) {
+	const isc_backtrace_symmap_t *entry = entryarg;
+	const isc_backtrace_symmap_t *end =
+		&isc__backtrace_symtable[isc__backtrace_nsymbols - 1];
+
+	if (isc__backtrace_nsymbols == 1 || entry == end) {
+		if (addr >= entry->addr) {
+			/*
+			 * If addr is equal to or larger than that of the last
+			 * entry of the table, we cannot be sure if this is
+			 * within a valid range so we consider it valid.
+			 */
+			return (0);
+		}
+		return (-1);
+	}
+
+	/* entry + 1 is a valid entry from now on. */
+	if (addr < entry->addr)
+		return (-1);
+	else if (addr >= (entry + 1)->addr)
+		return (1);
+	return (0);
+}
+
+isc_result_t
+isc_backtrace_getsymbol(const void *addr, const char **symbolp,
+			unsigned long *offsetp)
+{
+	isc_result_t result = ISC_R_SUCCESS;
+	isc_backtrace_symmap_t *found;
+
+	/*
+	 * Validate the arguments: intentionally avoid using REQUIRE().
+	 * See notes in backtrace.h.
+	 */
+	if (symbolp == NULL || *symbolp != NULL || offsetp == NULL)
+		return (ISC_R_FAILURE);
+
+	if (isc__backtrace_nsymbols < 1)
+		return (ISC_R_NOTFOUND);
+
+	/*
+	 * Search the table for the entry that meets:
+	 * entry.addr <= addr < next_entry.addr.
+	 */
+	found = bsearch(addr, isc__backtrace_symtable, isc__backtrace_nsymbols,
+			sizeof(isc__backtrace_symtable[0]), symtbl_compare);
+	if (found == NULL)
+		result = ISC_R_NOTFOUND;
+	else {
+		*symbolp = found->symbol;
+		*offsetp = (const char *)addr - (char *)found->addr;
+	}
+
+	return (result);
+}
diff --git a/lib/isc/base32.c b/lib/isc/base32.c
index 5e5cbd9..7621920 100644
--- a/lib/isc/base32.c
+++ b/lib/isc/base32.c
@@ -14,7 +14,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: base32.c,v 1.3.116.3 2009-10-21 01:22:47 each Exp $ */
+/* $Id: base32.c,v 1.6 2009-10-21 01:22:29 each Exp $ */
 
 /*! \file */
 
diff --git a/lib/isc/base64.c b/lib/isc/base64.c
index 858525f..ee34c3c 100644
--- a/lib/isc/base64.c
+++ b/lib/isc/base64.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: base64.c,v 1.32.332.2 2009-10-21 23:47:20 tbox Exp $ */
+/* $Id: base64.c,v 1.34 2009-10-21 23:48:05 tbox Exp $ */
 
 /*! \file */
 
diff --git a/lib/isc/entropy.c b/lib/isc/entropy.c
index af8757f..8d273d2 100644
--- a/lib/isc/entropy.c
+++ b/lib/isc/entropy.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: entropy.c,v 1.18.332.4 2010-08-10 23:46:54 tbox Exp $ */
+/* $Id: entropy.c,v 1.22 2010-08-10 23:48:19 tbox Exp $ */
 
 /*! \file
  * \brief
diff --git a/lib/isc/hash.c b/lib/isc/hash.c
index 7c0fcea..44975e7 100644
--- a/lib/isc/hash.c
+++ b/lib/isc/hash.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: hash.c,v 1.13.332.3 2009-05-07 23:47:12 tbox Exp $ */
+/* $Id: hash.c,v 1.16 2009-09-01 00:22:28 jinmei Exp $ */
 
 /*! \file
  * Some portion of this code was derived from universal hash function
@@ -194,8 +194,12 @@ isc_hash_ctxcreate(isc_mem_t *mctx, isc_entropy_t *entropy,
 	hctx->vectorlen = vlen;
 	hctx->rndvector = rv;
 
+#ifdef BIND9
 	if (entropy != NULL)
 		isc_entropy_attach(entropy, &hctx->entropy);
+#else
+	UNUSED(entropy);
+#endif
 
 	*hctxp = hctx;
 	return (ISC_R_SUCCESS);
@@ -236,18 +240,22 @@ isc_hash_create(isc_mem_t *mctx, isc_entropy_t *entropy, size_t limit) {
 
 void
 isc_hash_ctxinit(isc_hash_t *hctx) {
-	isc_result_t result;
-
 	LOCK(&hctx->lock);
 
 	if (hctx->initialized == ISC_TRUE)
 		goto out;
 
 	if (hctx->entropy) {
+#ifdef BIND9
+		isc_result_t result;
+
 		result = isc_entropy_getdata(hctx->entropy,
 					     hctx->rndvector, hctx->vectorlen,
 					     NULL, 0);
 		INSIST(result == ISC_R_SUCCESS);
+#else
+		INSIST(0);
+#endif
 	} else {
 		isc_uint32_t pr;
 		unsigned int i, copylen;
@@ -293,6 +301,7 @@ static void
 destroy(isc_hash_t **hctxp) {
 	isc_hash_t *hctx;
 	isc_mem_t *mctx;
+	unsigned char canary0[4], canary1[4];
 
 	REQUIRE(hctxp != NULL && *hctxp != NULL);
 	hctx = *hctxp;
@@ -303,8 +312,10 @@ destroy(isc_hash_t **hctxp) {
 	isc_refcount_destroy(&hctx->refcnt);
 
 	mctx = hctx->mctx;
+#ifdef BIND9
 	if (hctx->entropy != NULL)
 		isc_entropy_detach(&hctx->entropy);
+#endif
 	if (hctx->rndvector != NULL)
 		isc_mem_put(mctx, hctx->rndvector, hctx->vectorlen);
 
@@ -312,7 +323,10 @@ destroy(isc_hash_t **hctxp) {
 
 	DESTROYLOCK(&hctx->lock);
 
+	memcpy(canary0, hctx + 1, sizeof(canary0));
 	memset(hctx, 0, sizeof(isc_hash_t));
+	memcpy(canary1, hctx + 1, sizeof(canary1));
+	INSIST(memcmp(canary0, canary1, sizeof(canary0)) == 0);
 	isc_mem_put(mctx, hctx, sizeof(isc_hash_t));
 	isc_mem_detach(&mctx);
 }
diff --git a/lib/isc/heap.c b/lib/isc/heap.c
index 68f8ba8..4dead3f 100644
--- a/lib/isc/heap.c
+++ b/lib/isc/heap.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: heap.c,v 1.37.240.3 2010-02-04 23:47:46 tbox Exp $ */
+/* $Id: heap.c,v 1.39 2010-02-04 23:49:13 tbox Exp $ */
 
 /*! \file
  * Heap implementation of priority queues adapted from the following:
diff --git a/lib/isc/hmacmd5.c b/lib/isc/hmacmd5.c
index b1d5906..10e87c9 100644
--- a/lib/isc/hmacmd5.c
+++ b/lib/isc/hmacmd5.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: hmacmd5.c,v 1.14 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: hmacmd5.c,v 1.16 2009-02-06 23:47:42 tbox Exp $ */
 
 /*! \file
  * This code implements the HMAC-MD5 keyed hash algorithm
@@ -27,10 +27,40 @@
 #include 
 #include 
 #include 
+#include 
 #include 
 #include 
 #include 
 
+#ifdef ISC_PLATFORM_OPENSSLHASH
+
+void
+isc_hmacmd5_init(isc_hmacmd5_t *ctx, const unsigned char *key,
+		 unsigned int len)
+{
+	HMAC_Init(ctx, (const void *) key, (int) len, EVP_md5());
+}
+
+void
+isc_hmacmd5_invalidate(isc_hmacmd5_t *ctx) {
+	HMAC_CTX_cleanup(ctx);
+}
+
+void
+isc_hmacmd5_update(isc_hmacmd5_t *ctx, const unsigned char *buf,
+		   unsigned int len)
+{
+	HMAC_Update(ctx, buf, (int) len);
+}
+
+void
+isc_hmacmd5_sign(isc_hmacmd5_t *ctx, unsigned char *digest) {
+	HMAC_Final(ctx, digest, NULL);
+	HMAC_CTX_cleanup(ctx);
+}
+
+#else
+
 #define PADLEN 64
 #define IPAD 0x36
 #define OPAD 0x5C
@@ -98,6 +128,7 @@ isc_hmacmd5_sign(isc_hmacmd5_t *ctx, unsigned char *digest) {
 	isc_md5_final(&ctx->md5ctx, digest);
 	isc_hmacmd5_invalidate(ctx);
 }
+#endif /* !ISC_PLATFORM_OPENSSLHASH */
 
 /*!
  * Verify signature - finalize MD5 operation and reapply MD5, then
diff --git a/lib/isc/hmacsha.c b/lib/isc/hmacsha.c
index 9f27163..125672d 100644
--- a/lib/isc/hmacsha.c
+++ b/lib/isc/hmacsha.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2005-2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2005-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -14,7 +14,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: hmacsha.c,v 1.8 2007-08-27 03:27:53 marka Exp $ */
+/* $Id: hmacsha.c,v 1.10 2009-02-06 23:47:42 tbox Exp $ */
 
 /*
  * This code implements the HMAC-SHA1, HMAC-SHA224, HMAC-SHA256, HMAC-SHA384
@@ -26,12 +26,172 @@
 
 #include 
 #include 
+#include 
 #include 
 #include 
 #include 
 #include 
 #include 
 
+#ifdef ISC_PLATFORM_OPENSSLHASH
+
+void
+isc_hmacsha1_init(isc_hmacsha1_t *ctx, const unsigned char *key,
+		  unsigned int len)
+{
+	HMAC_Init(ctx, (const void *) key, (int) len, EVP_sha1());
+}
+
+void
+isc_hmacsha1_invalidate(isc_hmacsha1_t *ctx) {
+	HMAC_CTX_cleanup(ctx);
+}
+
+void
+isc_hmacsha1_update(isc_hmacsha1_t *ctx, const unsigned char *buf,
+		   unsigned int len)
+{
+	HMAC_Update(ctx, buf, (int) len);
+}
+
+void
+isc_hmacsha1_sign(isc_hmacsha1_t *ctx, unsigned char *digest, size_t len) {
+	unsigned char newdigest[ISC_SHA1_DIGESTLENGTH];
+
+	REQUIRE(len <= ISC_SHA1_DIGESTLENGTH);
+
+	HMAC_Final(ctx, newdigest, NULL);
+	HMAC_CTX_cleanup(ctx);
+	memcpy(digest, newdigest, len);
+	memset(newdigest, 0, sizeof(newdigest));
+}
+
+void
+isc_hmacsha224_init(isc_hmacsha224_t *ctx, const unsigned char *key,
+		    unsigned int len)
+{
+	HMAC_Init(ctx, (const void *) key, (int) len, EVP_sha224());
+}
+
+void
+isc_hmacsha224_invalidate(isc_hmacsha224_t *ctx) {
+	HMAC_CTX_cleanup(ctx);
+}
+
+void
+isc_hmacsha224_update(isc_hmacsha224_t *ctx, const unsigned char *buf,
+		   unsigned int len)
+{
+	HMAC_Update(ctx, buf, (int) len);
+}
+
+void
+isc_hmacsha224_sign(isc_hmacsha224_t *ctx, unsigned char *digest, size_t len) {
+	unsigned char newdigest[ISC_SHA224_DIGESTLENGTH];
+
+	REQUIRE(len <= ISC_SHA224_DIGESTLENGTH);
+
+	HMAC_Final(ctx, newdigest, NULL);
+	HMAC_CTX_cleanup(ctx);
+	memcpy(digest, newdigest, len);
+	memset(newdigest, 0, sizeof(newdigest));
+}
+
+void
+isc_hmacsha256_init(isc_hmacsha256_t *ctx, const unsigned char *key,
+		    unsigned int len)
+{
+	HMAC_Init(ctx, (const void *) key, (int) len, EVP_sha256());
+}
+
+void
+isc_hmacsha256_invalidate(isc_hmacsha256_t *ctx) {
+	HMAC_CTX_cleanup(ctx);
+}
+
+void
+isc_hmacsha256_update(isc_hmacsha256_t *ctx, const unsigned char *buf,
+		   unsigned int len)
+{
+	HMAC_Update(ctx, buf, (int) len);
+}
+
+void
+isc_hmacsha256_sign(isc_hmacsha256_t *ctx, unsigned char *digest, size_t len) {
+	unsigned char newdigest[ISC_SHA256_DIGESTLENGTH];
+
+	REQUIRE(len <= ISC_SHA256_DIGESTLENGTH);
+
+	HMAC_Final(ctx, newdigest, NULL);
+	HMAC_CTX_cleanup(ctx);
+	memcpy(digest, newdigest, len);
+	memset(newdigest, 0, sizeof(newdigest));
+}
+
+void
+isc_hmacsha384_init(isc_hmacsha384_t *ctx, const unsigned char *key,
+		    unsigned int len)
+{
+	HMAC_Init(ctx, (const void *) key, (int) len, EVP_sha384());
+}
+
+void
+isc_hmacsha384_invalidate(isc_hmacsha384_t *ctx) {
+	HMAC_CTX_cleanup(ctx);
+}
+
+void
+isc_hmacsha384_update(isc_hmacsha384_t *ctx, const unsigned char *buf,
+		   unsigned int len)
+{
+	HMAC_Update(ctx, buf, (int) len);
+}
+
+void
+isc_hmacsha384_sign(isc_hmacsha384_t *ctx, unsigned char *digest, size_t len) {
+	unsigned char newdigest[ISC_SHA384_DIGESTLENGTH];
+
+	REQUIRE(len <= ISC_SHA384_DIGESTLENGTH);
+
+	HMAC_Final(ctx, newdigest, NULL);
+	HMAC_CTX_cleanup(ctx);
+	memcpy(digest, newdigest, len);
+	memset(newdigest, 0, sizeof(newdigest));
+}
+
+void
+isc_hmacsha512_init(isc_hmacsha512_t *ctx, const unsigned char *key,
+		    unsigned int len)
+{
+	HMAC_Init(ctx, (const void *) key, (int) len, EVP_sha512());
+}
+
+void
+isc_hmacsha512_invalidate(isc_hmacsha512_t *ctx) {
+	HMAC_CTX_cleanup(ctx);
+}
+
+void
+isc_hmacsha512_update(isc_hmacsha512_t *ctx, const unsigned char *buf,
+		   unsigned int len)
+{
+	HMAC_Update(ctx, buf, (int) len);
+}
+
+void
+isc_hmacsha512_sign(isc_hmacsha512_t *ctx, unsigned char *digest, size_t len) {
+	unsigned char newdigest[ISC_SHA512_DIGESTLENGTH];
+
+	REQUIRE(len <= ISC_SHA512_DIGESTLENGTH);
+
+	HMAC_Final(ctx, newdigest, NULL);
+	HMAC_CTX_cleanup(ctx);
+	memcpy(digest, newdigest, len);
+	memset(newdigest, 0, sizeof(newdigest));
+}
+
+#else
+
 #define IPAD 0x36
 #define OPAD 0x5C
 
@@ -105,19 +265,6 @@ isc_hmacsha1_sign(isc_hmacsha1_t *ctx, unsigned char *digest, size_t len) {
 }
 
 /*
- * Verify signature - finalize SHA1 operation and reapply SHA1, then
- * compare to the supplied digest.
- */
-isc_boolean_t
-isc_hmacsha1_verify(isc_hmacsha1_t *ctx, unsigned char *digest, size_t len) {
-	unsigned char newdigest[ISC_SHA1_DIGESTLENGTH];
-
-	REQUIRE(len <= ISC_SHA1_DIGESTLENGTH);
-	isc_hmacsha1_sign(ctx, newdigest, ISC_SHA1_DIGESTLENGTH);
-	return (ISC_TF(memcmp(digest, newdigest, len) == 0));
-}
-
-/*
  * Start HMAC-SHA224 process.  Initialize an sha224 context and digest the key.
  */
 void
@@ -185,19 +332,6 @@ isc_hmacsha224_sign(isc_hmacsha224_t *ctx, unsigned char *digest, size_t len) {
 }
 
 /*
- * Verify signature - finalize SHA224 operation and reapply SHA224, then
- * compare to the supplied digest.
- */
-isc_boolean_t
-isc_hmacsha224_verify(isc_hmacsha224_t *ctx, unsigned char *digest, size_t len) {
-	unsigned char newdigest[ISC_SHA224_DIGESTLENGTH];
-
-	REQUIRE(len <= ISC_SHA224_DIGESTLENGTH);
-	isc_hmacsha224_sign(ctx, newdigest, ISC_SHA224_DIGESTLENGTH);
-	return (ISC_TF(memcmp(digest, newdigest, len) == 0));
-}
-
-/*
  * Start HMAC-SHA256 process.  Initialize an sha256 context and digest the key.
  */
 void
@@ -265,19 +399,6 @@ isc_hmacsha256_sign(isc_hmacsha256_t *ctx, unsigned char *digest, size_t len) {
 }
 
 /*
- * Verify signature - finalize SHA256 operation and reapply SHA256, then
- * compare to the supplied digest.
- */
-isc_boolean_t
-isc_hmacsha256_verify(isc_hmacsha256_t *ctx, unsigned char *digest, size_t len) {
-	unsigned char newdigest[ISC_SHA256_DIGESTLENGTH];
-
-	REQUIRE(len <= ISC_SHA256_DIGESTLENGTH);
-	isc_hmacsha256_sign(ctx, newdigest, ISC_SHA256_DIGESTLENGTH);
-	return (ISC_TF(memcmp(digest, newdigest, len) == 0));
-}
-
-/*
  * Start HMAC-SHA384 process.  Initialize an sha384 context and digest the key.
  */
 void
@@ -345,19 +466,6 @@ isc_hmacsha384_sign(isc_hmacsha384_t *ctx, unsigned char *digest, size_t len) {
 }
 
 /*
- * Verify signature - finalize SHA384 operation and reapply SHA384, then
- * compare to the supplied digest.
- */
-isc_boolean_t
-isc_hmacsha384_verify(isc_hmacsha384_t *ctx, unsigned char *digest, size_t len) {
-	unsigned char newdigest[ISC_SHA384_DIGESTLENGTH];
-
-	REQUIRE(len <= ISC_SHA384_DIGESTLENGTH);
-	isc_hmacsha384_sign(ctx, newdigest, ISC_SHA384_DIGESTLENGTH);
-	return (ISC_TF(memcmp(digest, newdigest, len) == 0));
-}
-
-/*
  * Start HMAC-SHA512 process.  Initialize an sha512 context and digest the key.
  */
 void
@@ -423,6 +531,59 @@ isc_hmacsha512_sign(isc_hmacsha512_t *ctx, unsigned char *digest, size_t len) {
 	memcpy(digest, newdigest, len);
 	memset(newdigest, 0, sizeof(newdigest));
 }
+#endif /* !ISC_PLATFORM_OPENSSLHASH */
+
+/*
+ * Verify signature - finalize SHA1 operation and reapply SHA1, then
+ * compare to the supplied digest.
+ */
+isc_boolean_t
+isc_hmacsha1_verify(isc_hmacsha1_t *ctx, unsigned char *digest, size_t len) {
+	unsigned char newdigest[ISC_SHA1_DIGESTLENGTH];
+
+	REQUIRE(len <= ISC_SHA1_DIGESTLENGTH);
+	isc_hmacsha1_sign(ctx, newdigest, ISC_SHA1_DIGESTLENGTH);
+	return (ISC_TF(memcmp(digest, newdigest, len) == 0));
+}
+
+/*
+ * Verify signature - finalize SHA224 operation and reapply SHA224, then
+ * compare to the supplied digest.
+ */
+isc_boolean_t
+isc_hmacsha224_verify(isc_hmacsha224_t *ctx, unsigned char *digest, size_t len) {
+	unsigned char newdigest[ISC_SHA224_DIGESTLENGTH];
+
+	REQUIRE(len <= ISC_SHA224_DIGESTLENGTH);
+	isc_hmacsha224_sign(ctx, newdigest, ISC_SHA224_DIGESTLENGTH);
+	return (ISC_TF(memcmp(digest, newdigest, len) == 0));
+}
+
+/*
+ * Verify signature - finalize SHA256 operation and reapply SHA256, then
+ * compare to the supplied digest.
+ */
+isc_boolean_t
+isc_hmacsha256_verify(isc_hmacsha256_t *ctx, unsigned char *digest, size_t len) {
+	unsigned char newdigest[ISC_SHA256_DIGESTLENGTH];
+
+	REQUIRE(len <= ISC_SHA256_DIGESTLENGTH);
+	isc_hmacsha256_sign(ctx, newdigest, ISC_SHA256_DIGESTLENGTH);
+	return (ISC_TF(memcmp(digest, newdigest, len) == 0));
+}
+
+/*
+ * Verify signature - finalize SHA384 operation and reapply SHA384, then
+ * compare to the supplied digest.
+ */
+isc_boolean_t
+isc_hmacsha384_verify(isc_hmacsha384_t *ctx, unsigned char *digest, size_t len) {
+	unsigned char newdigest[ISC_SHA384_DIGESTLENGTH];
+
+	REQUIRE(len <= ISC_SHA384_DIGESTLENGTH);
+	isc_hmacsha384_sign(ctx, newdigest, ISC_SHA384_DIGESTLENGTH);
+	return (ISC_TF(memcmp(digest, newdigest, len) == 0));
+}
 
 /*
  * Verify signature - finalize SHA512 operation and reapply SHA512, then
diff --git a/lib/isc/httpd.c b/lib/isc/httpd.c
index b653f79..81f118e 100644
--- a/lib/isc/httpd.c
+++ b/lib/isc/httpd.c
@@ -14,7 +14,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: httpd.c,v 1.16.64.2 2010-02-04 23:47:46 tbox Exp $ */
+/* $Id: httpd.c,v 1.20 2010-11-16 05:38:31 marka Exp $ */
 
 /*! \file */
 
diff --git a/lib/isc/ia64/include/isc/atomic.h b/lib/isc/ia64/include/isc/atomic.h
index 466cddb..11c9706 100644
--- a/lib/isc/ia64/include/isc/atomic.h
+++ b/lib/isc/ia64/include/isc/atomic.h
@@ -14,7 +14,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: atomic.h,v 1.4.326.3 2009-06-24 02:21:28 marka Exp $ */
+/* $Id: atomic.h,v 1.7 2009-06-24 02:22:50 marka Exp $ */
 
 #ifndef ISC_ATOMIC_H
 #define ISC_ATOMIC_H 1
diff --git a/lib/isc/include/isc/Makefile.in b/lib/isc/include/isc/Makefile.in
index c1d71f4..12c09cd 100644
--- a/lib/isc/include/isc/Makefile.in
+++ b/lib/isc/include/isc/Makefile.in
@@ -13,7 +13,7 @@
 # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 # PERFORMANCE OF THIS SOFTWARE.
 
-# $Id: Makefile.in,v 1.64.12.2 2009-02-12 23:47:22 tbox Exp $
+# $Id: Makefile.in,v 1.68 2009-12-05 23:31:41 each Exp $
 
 srcdir =	@srcdir@
 VPATH =		@srcdir@
@@ -26,15 +26,15 @@ top_srcdir =	@top_srcdir@
 # machine generated.  The latter are handled specially in the
 # install target below.
 #
-HEADERS =	app.h assertions.h base64.h bitstring.h boolean.h buffer.h \
-		bufferlist.h commandline.h entropy.h error.h event.h \
+HEADERS =	app.h assertions.h base64.h bind9.h bitstring.h boolean.h \
+		buffer.h bufferlist.h commandline.h entropy.h error.h event.h \
 		eventclass.h file.h formatcheck.h fsaccess.h \
 		hash.h heap.h hex.h hmacmd5.h \
 		httpd.h \
 		interfaceiter.h @ISC_IPV6_H@ iterated_hash.h lang.h lex.h \
 		lfsr.h lib.h list.h log.h \
-		magic.h md5.h mem.h msgcat.h msgs.h \
-		mutexblock.h netaddr.h ondestroy.h os.h parseint.h \
+		magic.h md5.h mem.h msgcat.h msgs.h mutexblock.h \
+		namespace.h netaddr.h ondestroy.h os.h parseint.h \
 		print.h quota.h radix.h random.h ratelimiter.h \
 		refcount.h region.h resource.h \
 		result.h resultclass.h rwlock.h serial.h sha1.h sha2.h \
diff --git a/lib/isc/include/isc/app.h b/lib/isc/include/isc/app.h
index 0552758..ac8669f 100644
--- a/lib/isc/include/isc/app.h
+++ b/lib/isc/include/isc/app.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: app.h,v 1.8 2007-06-19 23:47:18 tbox Exp $ */
+/* $Id: app.h,v 1.11 2009-09-02 23:48:03 tbox Exp $ */
 
 #ifndef ISC_APP_H
 #define ISC_APP_H 1
@@ -54,12 +54,23 @@
  * Use of this module is not required.  In particular, isc_app_start() is
  * NOT an ISC library initialization routine.
  *
+ * This module also supports per-thread 'application contexts'.  With this
+ * mode, a thread-based application will have a separate context, in which
+ * it uses other ISC library services such as tasks or timers.  Signals are
+ * not caught in this mode, so that the application can handle the signals
+ * in its preferred way.
+ *
  * \li MP:
  *	Clients must ensure that isc_app_start(), isc_app_run(), and
  *	isc_app_finish() are called at most once.  isc_app_shutdown()
  *	is safe to use by any thread (provided isc_app_start() has been
  *	called previously).
  *
+ *	The same note applies to isc_app_ctxXXX() functions, but in this case
+ *	it's a per-thread restriction.  For example, a thread with an
+ *	application context must ensure that isc_app_ctxstart() with the
+ *	context is called at most once.
+ *
  * \li Reliability:
  *	No anticipated impact.
  *
@@ -75,17 +86,64 @@
 
 #include 
 #include 
+#include 
 #include 
 
+/***
+ *** Types
+ ***/
+
 typedef isc_event_t isc_appevent_t;
 
 #define ISC_APPEVENT_FIRSTEVENT		(ISC_EVENTCLASS_APP + 0)
 #define ISC_APPEVENT_SHUTDOWN		(ISC_EVENTCLASS_APP + 1)
 #define ISC_APPEVENT_LASTEVENT		(ISC_EVENTCLASS_APP + 65535)
 
+/*%
+ * app module methods.  Only app driver implementations use this structure.
+ * Other clients should use the top-level interfaces (i.e., isc_app_xxx
+ * functions).  magic must be ISCAPI_APPMETHODS_MAGIC.
+ */
+typedef struct isc_appmethods {
+	void		(*ctxdestroy)(isc_appctx_t **ctxp);
+	isc_result_t	(*ctxstart)(isc_appctx_t *ctx);
+	isc_result_t	(*ctxrun)(isc_appctx_t *ctx);
+	isc_result_t	(*ctxsuspend)(isc_appctx_t *ctx);
+	isc_result_t	(*ctxshutdown)(isc_appctx_t *ctx);
+	void		(*ctxfinish)(isc_appctx_t *ctx);
+	void		(*settaskmgr)(isc_appctx_t *ctx,
+				      isc_taskmgr_t *timermgr);
+	void		(*setsocketmgr)(isc_appctx_t *ctx,
+					isc_socketmgr_t *timermgr);
+	void		(*settimermgr)(isc_appctx_t *ctx,
+				       isc_timermgr_t *timermgr);
+} isc_appmethods_t;
+
+/*%
+ * This structure is actually just the common prefix of an application context
+ * implementation's version of an isc_appctx_t.
+ * \brief
+ * Direct use of this structure by clients is forbidden.  app implementations
+ * may change the structure.  'magic' must be ISCAPI_APPCTX_MAGIC for any
+ * of the isc_app_ routines to work.  app implementations must maintain
+ * all app context invariants.
+ */
+struct isc_appctx {
+	unsigned int		impmagic;
+	unsigned int		magic;
+	isc_appmethods_t	*methods;
+};
+
+#define ISCAPI_APPCTX_MAGIC		ISC_MAGIC('A','a','p','c')
+#define ISCAPI_APPCTX_VALID(c)		((c) != NULL && \
+					 (c)->magic == ISCAPI_APPCTX_MAGIC)
+
 ISC_LANG_BEGINDECLS
 
 isc_result_t
+isc_app_ctxstart(isc_appctx_t *ctx);
+
+isc_result_t
 isc_app_start(void);
 /*!<
  * \brief Start an ISC library application.
@@ -93,6 +151,9 @@ isc_app_start(void);
  * Notes:
  *	This call should be made before any other ISC library call, and as
  *	close to the beginning of the application as possible.
+ *
+ * Requires:
+ *	'ctx' is a valid application context (for app_ctxstart()).
  */
 
 isc_result_t
@@ -102,7 +163,7 @@ isc_app_onrun(isc_mem_t *mctx, isc_task_t *task, isc_taskaction_t action,
  * \brief Request delivery of an event when the application is run.
  *
  * Requires:
- *	isc_app_start() has been called.
+ *\li	isc_app_start() has been called.
  *
  * Returns:
  *	ISC_R_SUCCESS
@@ -110,6 +171,9 @@ isc_app_onrun(isc_mem_t *mctx, isc_task_t *task, isc_taskaction_t action,
  */
 
 isc_result_t
+isc_app_ctxrun(isc_appctx_t *ctx);
+
+isc_result_t
 isc_app_run(void);
 /*!<
  * \brief Run an ISC library application.
@@ -120,11 +184,12 @@ isc_app_run(void);
  *	caller should start shutting down the application.
  *
  * Requires:
- *\li	isc_app_start() has been called.
+ *\li	isc_app_[ctx]start() has been called.
  *
  * Ensures:
  *\li	Any events requested via isc_app_onrun() will have been posted (in
  *	FIFO order) before isc_app_run() blocks.
+ *\li	'ctx' is a valid application context (for app_ctxrun()).
  *
  * Returns:
  *\li	ISC_R_SUCCESS			Shutdown has been requested.
@@ -132,6 +197,9 @@ isc_app_run(void);
  */
 
 isc_result_t
+isc_app_ctxshutdown(isc_appctx_t *ctx);
+
+isc_result_t
 isc_app_shutdown(void);
 /*!<
  * \brief Request application shutdown.
@@ -141,7 +209,8 @@ isc_app_shutdown(void);
  *	only be triggered once.
  *
  * Requires:
- *\li	isc_app_run() has been called.
+ *\li	isc_app_[ctx]run() has been called.
+ *\li	'ctx' is a valid application context (for app_ctxshutdown()).
  *
  * Returns:
  *\li	ISC_R_SUCCESS
@@ -149,6 +218,12 @@ isc_app_shutdown(void);
  */
 
 isc_result_t
+isc_app_ctxsuspend(isc_appctx_t *ctx);
+/*!<
+ * \brief This has the same behavior as isc_app_ctxsuspend().
+ */
+
+isc_result_t
 isc_app_reload(void);
 /*!<
  * \brief Request application reload.
@@ -162,6 +237,9 @@ isc_app_reload(void);
  */
 
 void
+isc_app_ctxfinish(isc_appctx_t *ctx);
+
+void
 isc_app_finish(void);
 /*!<
  * \brief Finish an ISC library application.
@@ -171,6 +249,7 @@ isc_app_finish(void);
  *
  * Requires:
  *\li	isc_app_start() has been called.
+ *\li	'ctx' is a valid application context (for app_ctxfinish()).
  *
  * Ensures:
  *\li	Any resources allocated by isc_app_start() have been released.
@@ -206,6 +285,90 @@ isc_app_unblock(void);
  * \li	isc_app_block() has been called by the same thread.
  */
 
+isc_result_t
+isc_appctx_create(isc_mem_t *mctx, isc_appctx_t **ctxp);
+/*!<
+ * \brief Create an application context.
+ *
+ * Requires:
+ *\li	'mctx' is a valid memory context.
+ *\li	'ctxp' != NULL && *ctxp == NULL.
+ */
+
+void
+isc_appctx_destroy(isc_appctx_t **ctxp);
+/*!<
+ * \brief Destroy an application context.
+ *
+ * Requires:
+ *\li	'*ctxp' is a valid application context.
+ *
+ * Ensures:
+ *\li	*ctxp == NULL.
+ */
+
+void
+isc_appctx_settaskmgr(isc_appctx_t *ctx, isc_taskmgr_t *taskmgr);
+/*!<
+ * \brief Associate a task manager with an application context.
+ *
+ * This must be done before running tasks within the application context.
+ *
+ * Requires:
+ *\li	'ctx' is a valid application context.
+ *\li	'taskmgr' is a valid task manager.
+ */
+
+void
+isc_appctx_setsocketmgr(isc_appctx_t *ctx, isc_socketmgr_t *socketmgr);
+/*!<
+ * \brief Associate a socket manager with an application context.
+ *
+ * This must be done before handling socket events within the application
+ * context.
+ *
+ * Requires:
+ *\li	'ctx' is a valid application context.
+ *\li	'socketmgr' is a valid socket manager.
+ */
+
+void
+isc_appctx_settimermgr(isc_appctx_t *ctx, isc_timermgr_t *timermgr);
+/*!<
+ * \brief Associate a socket timer with an application context.
+ *
+ * This must be done before handling timer events within the application
+ * context.
+ *
+ * Requires:
+ *\li	'ctx' is a valid application context.
+ *\li	'timermgr' is a valid timer manager.
+ */
+
+#ifdef USE_APPIMPREGISTER
+/*%<
+ * See isc_appctx_create() above.
+ */
+typedef isc_result_t
+(*isc_appctxcreatefunc_t)(isc_mem_t *mctx, isc_appctx_t **ctxp);
+
+isc_result_t
+isc_app_register(isc_appctxcreatefunc_t createfunc);
+/*%<
+ * Register a new application implementation and add it to the list of
+ * supported implementations.  This function must be called when a different
+ * event library is used than the one contained in the ISC library.
+ */
+
+isc_result_t
+isc__app_register(void);
+/*%<
+ * A short cut function that specifies the application module in the ISC
+ * library for isc_app_register().  An application that uses the ISC library
+ * usually do not have to care about this function: it would call
+ * isc_lib_register(), which internally calls this function.
+ */
+#endif /* USE_APPIMPREGISTER */
 
 ISC_LANG_ENDDECLS
 
diff --git a/lib/isc/include/isc/assertions.h b/lib/isc/include/isc/assertions.h
index 8a2ba7e..91217b8 100644
--- a/lib/isc/include/isc/assertions.h
+++ b/lib/isc/include/isc/assertions.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1997-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -16,7 +16,7 @@
  */
 
 /*
- * $Id: assertions.h,v 1.26 2008-10-15 23:47:31 tbox Exp $
+ * $Id: assertions.h,v 1.28 2009-09-29 23:48:04 tbox Exp $
  */
 /*! \file isc/assertions.h
  */
@@ -41,7 +41,9 @@ typedef void (*isc_assertioncallback_t)(const char *, int, isc_assertiontype_t,
 					const char *);
 
 /* coverity[+kill] */
-LIBISC_EXTERNAL_DATA extern isc_assertioncallback_t isc_assertion_failed;
+ISC_PLATFORM_NORETURN_PRE
+void isc_assertion_failed(const char *, int, isc_assertiontype_t,
+			  const char *) ISC_PLATFORM_NORETURN_POST;
 
 void
 isc_assertion_setcallback(isc_assertioncallback_t);
diff --git a/lib/isc/include/isc/backtrace.h b/lib/isc/include/isc/backtrace.h
new file mode 100644
index 0000000..94fee61
--- /dev/null
+++ b/lib/isc/include/isc/backtrace.h
@@ -0,0 +1,131 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: backtrace.h,v 1.2 2009-09-01 18:40:25 jinmei Exp $ */
+
+/*! \file isc/backtrace.h
+ * \brief provide a back trace of the running process to help debug problems.
+ *
+ * This module tries to get a back trace of the process using some platform
+ * dependent way when available.  It also manages an internal symbol table
+ * that maps function addresses used in the process to their textual symbols.
+ * This module is expected to be used to help debug when some fatal error
+ * happens.
+ *
+ * IMPORTANT NOTE: since the (major) intended use case of this module is
+ * dumping a back trace on a fatal error, normally followed by self termination,
+ * functions defined in this module generally doesn't employ assertion checks
+ * (if it did, a program bug could cause infinite recursive calls to a
+ * backtrace function).  These functions still perform minimal checks and return
+ * ISC_R_FAILURE if they detect an error, but the caller should therefore be
+ * very careful about the use of these functions, and generally discouraged to
+ * use them except in an exit path.  The exception is
+ * isc_backtrace_getsymbolfromindex(), which is expected to be used in a
+ * non-error-handling context and validates arguments with assertion checks.
+ */
+
+#ifndef ISC_BACKTRACE_H
+#define ISC_BACKTRACE_H 1
+
+/***
+ ***	Imports
+ ***/
+
+#include 
+
+/***
+ *** Types
+ ***/
+struct isc_backtrace_symmap {
+	void		*addr;
+	const char	*symbol;
+};
+
+extern const int isc__backtrace_nsymbols;
+extern const isc_backtrace_symmap_t isc__backtrace_symtable[];
+
+/***
+ *** Functions
+ ***/
+
+ISC_LANG_BEGINDECLS
+isc_result_t
+isc_backtrace_gettrace(void **addrs, int maxaddrs, int *nframes);
+/*%<
+ * Get a back trace of the running process above this function itself.  On
+ * success, addrs[i] will store the address of the call point of the i-th
+ * stack frame (addrs[0] is the caller of this function).  *nframes will store
+ * the total number of frames.
+ *
+ * Requires (note that these are not ensured by assertion checks, see above):
+ *
+ *\li	'addrs' is a valid array containing at least 'maxaddrs' void * entries.
+ *
+ *\li	'nframes' must be non NULL.
+ *
+ * Returns:
+ *
+ *\li	#ISC_R_SUCCESS
+ *\li	#ISC_R_FAILURE
+ *\li	#ISC_R_NOTFOUND
+ *\li	#ISC_R_NOTIMPLEMENTED
+ */
+
+isc_result_t
+isc_backtrace_getsymbolfromindex(int index, const void **addrp,
+				 const char **symbolp);
+/*%<
+ * Returns the content of the internal symbol table of the given index.
+ * On success, *addrsp and *symbolp point to the address and the symbol of
+ * the 'index'th entry of the table, respectively.  If 'index' is not in the
+ * range of the symbol table, ISC_R_RANGE will be returned.
+ *
+ * Requires
+ *
+ *\li	'addrp' must be non NULL && '*addrp' == NULL.
+ *
+ *\li	'symbolp' must be non NULL && '*symbolp' == NULL.
+ *
+ * Returns:
+ *
+ *\li	#ISC_R_SUCCESS
+ *\li	#ISC_R_RANGE
+ */
+
+isc_result_t
+isc_backtrace_getsymbol(const void *addr, const char **symbolp,
+			unsigned long *offsetp);
+/*%<
+ * Searches the internal symbol table for the symbol that most matches the
+ * given 'addr'.  On success, '*symbolp' will point to the name of function
+ * to which the address 'addr' belong, and '*offsetp' will store the offset
+ * from the function's entry address to 'addr'.
+ *
+ * Requires (note that these are not ensured by assertion checks, see above):
+ *
+ *\li	'symbolp' must be non NULL && '*symbolp' == NULL.
+ *
+ *\li	'offsetp' must be non NULL.
+ *
+ * Returns:
+ *
+ *\li	#ISC_R_SUCCESS
+ *\li	#ISC_R_FAILURE
+ *\li	#ISC_R_NOTFOUND
+ */
+ISC_LANG_ENDDECLS
+
+#endif	/* ISC_BACKTRACE_H */
diff --git a/lib/isc/include/isc/bind9.h b/lib/isc/include/isc/bind9.h
new file mode 100644
index 0000000..dd75e91
--- /dev/null
+++ b/lib/isc/include/isc/bind9.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: bind9.h,v 1.2 2009-12-05 23:31:41 each Exp $ */
+
+#ifndef ISC_BIND9_H
+#define ISC_BIND9_H 1
+
+/*
+ * This determines whether we are building BIND9 or using the exported
+ * libisc/libdns libraries.  The version of this file included in the
+ * standard BIND9 build defines BIND9; the version included with the
+ * exportable libraries does not.
+ */
+#define BIND9 1
+
+#endif /* ISC_BIND9_H */
diff --git a/lib/isc/include/isc/buffer.h b/lib/isc/include/isc/buffer.h
index e55c5b0..30a6e39 100644
--- a/lib/isc/include/isc/buffer.h
+++ b/lib/isc/include/isc/buffer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2008, 2010  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: buffer.h,v 1.53 2008-09-25 04:02:39 tbox Exp $ */
+/* $Id: buffer.h,v 1.55 2010-12-20 23:47:21 tbox Exp $ */
 
 #ifndef ISC_BUFFER_H
 #define ISC_BUFFER_H 1
diff --git a/lib/isc/include/isc/entropy.h b/lib/isc/include/isc/entropy.h
index 1eb8fd1..e115906 100644
--- a/lib/isc/include/isc/entropy.h
+++ b/lib/isc/include/isc/entropy.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: entropy.h,v 1.32.332.3 2009-10-19 02:46:07 marka Exp $ */
+/* $Id: entropy.h,v 1.35 2009-10-19 02:37:08 marka Exp $ */
 
 #ifndef ISC_ENTROPY_H
 #define ISC_ENTROPY_H 1
diff --git a/lib/isc/include/isc/error.h b/lib/isc/include/isc/error.h
index a0025e0..d3dcc8b 100644
--- a/lib/isc/include/isc/error.h
+++ b/lib/isc/include/isc/error.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: error.h,v 1.20 2007-06-19 23:47:18 tbox Exp $ */
+/* $Id: error.h,v 1.22 2009-09-29 23:48:04 tbox Exp $ */
 
 #ifndef ISC_ERROR_H
 #define ISC_ERROR_H 1
@@ -26,6 +26,7 @@
 
 #include 
 #include 
+#include 
 
 ISC_LANG_BEGINDECLS
 
@@ -45,9 +46,9 @@ isc_error_unexpected(const char *, int, const char *, ...)
      ISC_FORMAT_PRINTF(3, 4);
 
 /*% fatal error */
-void
+ISC_PLATFORM_NORETURN_PRE void
 isc_error_fatal(const char *, int, const char *, ...)
-     ISC_FORMAT_PRINTF(3, 4);
+ISC_FORMAT_PRINTF(3, 4) ISC_PLATFORM_NORETURN_POST;
 
 /*% runtimecheck error */
 void
diff --git a/lib/isc/include/isc/file.h b/lib/isc/include/isc/file.h
index 6629a3e..be40825 100644
--- a/lib/isc/include/isc/file.h
+++ b/lib/isc/include/isc/file.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2009, 2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: file.h,v 1.33.332.2 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: file.h,v 1.39 2011-01-11 23:47:14 tbox Exp $ */
 
 #ifndef ISC_FILE_H
 #define ISC_FILE_H 1
@@ -100,6 +100,10 @@ isc_file_mktemplate(const char *path, char *buf, size_t buflen);
 
 isc_result_t
 isc_file_openunique(char *templet, FILE **fp);
+isc_result_t
+isc_file_openuniqueprivate(char *templet, FILE **fp);
+isc_result_t
+isc_file_openuniquemode(char *templet, int mode, FILE **fp);
 /*!<
  * \brief Create and open a file with a unique name based on 'templet'.
  *
@@ -251,6 +255,29 @@ isc_file_truncate(const char *filename, isc_offset_t size);
  * Truncate/extend the file specified to 'size' bytes.
  */
 
+isc_result_t
+isc_file_safecreate(const char *filename, FILE **fp);
+/*%<
+ * Open 'filename' for writing, truncating if necessary.  Ensure that
+ * if it existed it was a normal file.  If creating the file, ensure
+ * that only the owner can read/write it.
+ */
+
+isc_result_t
+isc_file_splitpath(isc_mem_t *mctx, char *path,
+		   char **dirname, char **basename);
+/*%<
+ * Split a path into dirname and basename.  If 'path' contains no slash
+ * (or, on windows, backslash), then '*dirname' is set to ".".
+ *
+ * Allocates memory for '*dirname', which can be freed with isc_mem_free().
+ *
+ * Returns:
+ * - ISC_R_SUCCESS on success
+ * - ISC_R_INVALIDFILE if 'path' is empty or ends with '/'
+ * - ISC_R_NOMEMORY if unable to allocate memory
+ */
+
 ISC_LANG_ENDDECLS
 
 #endif /* ISC_FILE_H */
diff --git a/lib/isc/include/isc/fsaccess.h b/lib/isc/include/isc/fsaccess.h
index 88469dd..9758242 100644
--- a/lib/isc/include/isc/fsaccess.h
+++ b/lib/isc/include/isc/fsaccess.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: fsaccess.h,v 1.14.332.2 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: fsaccess.h,v 1.16 2009-01-17 23:47:43 tbox Exp $ */
 
 #ifndef ISC_FSACCESS_H
 #define ISC_FSACCESS_H 1
diff --git a/lib/isc/include/isc/hash.h b/lib/isc/include/isc/hash.h
index 9bfb709..543e5fd 100644
--- a/lib/isc/include/isc/hash.h
+++ b/lib/isc/include/isc/hash.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: hash.h,v 1.10.332.2 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: hash.h,v 1.12 2009-01-17 23:47:43 tbox Exp $ */
 
 #ifndef ISC_HASH_H
 #define ISC_HASH_H 1
diff --git a/lib/isc/include/isc/heap.h b/lib/isc/include/isc/heap.h
index ae346c1..943ace3 100644
--- a/lib/isc/include/isc/heap.h
+++ b/lib/isc/include/isc/heap.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: heap.h,v 1.24.332.2 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: heap.h,v 1.26 2009-01-17 23:47:43 tbox Exp $ */
 
 #ifndef ISC_HEAP_H
 #define ISC_HEAP_H 1
diff --git a/lib/isc/include/isc/hmacmd5.h b/lib/isc/include/isc/hmacmd5.h
index 68074ae..c7d7fff 100644
--- a/lib/isc/include/isc/hmacmd5.h
+++ b/lib/isc/include/isc/hmacmd5.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: hmacmd5.h,v 1.12 2007-06-19 23:47:18 tbox Exp $ */
+/* $Id: hmacmd5.h,v 1.14 2009-02-06 23:47:42 tbox Exp $ */
 
 /*! \file isc/hmacmd5.h
  * \brief This is the header file for the HMAC-MD5 keyed hash algorithm
@@ -27,14 +27,23 @@
 
 #include 
 #include 
+#include 
 #include 
 
 #define ISC_HMACMD5_KEYLENGTH 64
 
+#ifdef ISC_PLATFORM_OPENSSLHASH
+#include 
+
+typedef HMAC_CTX isc_hmacmd5_t;
+
+#else
+
 typedef struct {
 	isc_md5_t md5ctx;
 	unsigned char key[ISC_HMACMD5_KEYLENGTH];
 } isc_hmacmd5_t;
+#endif
 
 ISC_LANG_BEGINDECLS
 
diff --git a/lib/isc/include/isc/hmacsha.h b/lib/isc/include/isc/hmacsha.h
index c439883..286cafc 100644
--- a/lib/isc/include/isc/hmacsha.h
+++ b/lib/isc/include/isc/hmacsha.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2005-2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2005-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -14,7 +14,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: hmacsha.h,v 1.7 2007-06-19 23:47:18 tbox Exp $ */
+/* $Id: hmacsha.h,v 1.9 2009-02-06 23:47:42 tbox Exp $ */
 
 /*! \file isc/hmacsha.h
  * This is the header file for the HMAC-SHA1, HMAC-SHA224, HMAC-SHA256,
@@ -25,6 +25,7 @@
 #define ISC_HMACSHA_H 1
 
 #include 
+#include 
 #include 
 #include 
 #include 
@@ -35,6 +36,17 @@
 #define ISC_HMACSHA384_KEYLENGTH ISC_SHA384_BLOCK_LENGTH
 #define ISC_HMACSHA512_KEYLENGTH ISC_SHA512_BLOCK_LENGTH
 
+#ifdef ISC_PLATFORM_OPENSSLHASH
+#include 
+
+typedef HMAC_CTX isc_hmacsha1_t;
+typedef HMAC_CTX isc_hmacsha224_t;
+typedef HMAC_CTX isc_hmacsha256_t;
+typedef HMAC_CTX isc_hmacsha384_t;
+typedef HMAC_CTX isc_hmacsha512_t;
+
+#else
+
 typedef struct {
 	isc_sha1_t sha1ctx;
 	unsigned char key[ISC_HMACSHA1_KEYLENGTH];
@@ -59,6 +71,7 @@ typedef struct {
 	isc_sha512_t sha512ctx;
 	unsigned char key[ISC_HMACSHA512_KEYLENGTH];
 } isc_hmacsha512_t;
+#endif
 
 ISC_LANG_BEGINDECLS
 
diff --git a/lib/isc/include/isc/lib.h b/lib/isc/include/isc/lib.h
index 3804a07..c8bdbc6 100644
--- a/lib/isc/include/isc/lib.h
+++ b/lib/isc/include/isc/lib.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: lib.h,v 1.14 2007-06-19 23:47:18 tbox Exp $ */
+/* $Id: lib.h,v 1.16 2009-09-02 23:48:03 tbox Exp $ */
 
 #ifndef ISC_LIB_H
 #define ISC_LIB_H 1
@@ -36,6 +36,15 @@ isc_lib_initmsgcat(void);
  * has not already been initialized.
  */
 
+void
+isc_lib_register(void);
+/*!<
+ * \brief Register the ISC library implementations for some base services
+ * such as memory or event management and handling socket or timer events.
+ * An external application that wants to use the ISC library must call this
+ * function very early in main().
+ */
+
 ISC_LANG_ENDDECLS
 
 #endif /* ISC_LIB_H */
diff --git a/lib/isc/include/isc/log.h b/lib/isc/include/isc/log.h
index fec3d9d..eac5755 100644
--- a/lib/isc/include/isc/log.h
+++ b/lib/isc/include/isc/log.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: log.h,v 1.54.332.5 2009-02-16 02:04:05 marka Exp $ */
+/* $Id: log.h,v 1.59 2009-02-16 02:01:16 marka Exp $ */
 
 #ifndef ISC_LOG_H
 #define ISC_LOG_H 1
diff --git a/lib/isc/include/isc/md5.h b/lib/isc/include/isc/md5.h
index 9d5b1ec..9017115 100644
--- a/lib/isc/include/isc/md5.h
+++ b/lib/isc/include/isc/md5.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2009, 2010  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: md5.h,v 1.16 2007-06-19 23:47:18 tbox Exp $ */
+/* $Id: md5.h,v 1.20 2010-01-07 23:48:54 tbox Exp $ */
 
 /*! \file isc/md5.h
  * \brief This is the header file for the MD5 message-digest algorithm.
@@ -44,15 +44,25 @@
 #define ISC_MD5_H 1
 
 #include 
+#include 
 #include 
 
 #define ISC_MD5_DIGESTLENGTH 16U
+#define ISC_MD5_BLOCK_LENGTH 64U
+
+#ifdef ISC_PLATFORM_OPENSSLHASH
+#include 
+
+typedef EVP_MD_CTX isc_md5_t;
+
+#else
 
 typedef struct {
 	isc_uint32_t buf[4];
 	isc_uint32_t bytes[2];
 	isc_uint32_t in[16];
 } isc_md5_t;
+#endif
 
 ISC_LANG_BEGINDECLS
 
diff --git a/lib/isc/include/isc/mem.h b/lib/isc/include/isc/mem.h
index d13d912..e0a7fe5 100644
--- a/lib/isc/include/isc/mem.h
+++ b/lib/isc/include/isc/mem.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: mem.h,v 1.78.120.6 2010-08-11 23:04:21 jinmei Exp $ */
+/* $Id: mem.h,v 1.89 2010-08-11 22:54:58 jinmei Exp $ */
 
 #ifndef ISC_MEM_H
 #define ISC_MEM_H 1
@@ -152,11 +152,29 @@ LIBISC_EXTERNAL_DATA extern unsigned int isc_mem_debugging;
 #endif
 
 
-#define isc_mem_get(c, s)	isc__mem_get((c), (s) _ISC_MEM_FILELINE)
-#define isc_mem_allocate(c, s)	isc__mem_allocate((c), (s) _ISC_MEM_FILELINE)
-#define isc_mem_reallocate(c, p, s) isc__mem_reallocate((c), (p), (s) _ISC_MEM_FILELINE)
-#define isc_mem_strdup(c, p)	isc__mem_strdup((c), (p) _ISC_MEM_FILELINE)
-#define isc_mempool_get(c)	isc__mempool_get((c) _ISC_MEM_FILELINE)
+/*%<
+ * We use either isc___mem (three underscores) or isc__mem (two) depending on
+ * whether it's for BIND9's internal purpose (with -DBIND9) or generic export
+ * library.  This condition is generally handled in isc/namespace.h, but for
+ * Windows it doesn't work if it involves multiple times of macro expansion
+ * (such as isc_mem to isc__mem then to isc___mem).  The following definitions
+ * are used to work around this portability issue.  Right now, we don't support
+ * the export library for Windows, so we always use the three-underscore
+ * version.
+ */
+#ifdef WIN32
+#define ISCMEMFUNC(sfx) isc___mem_ ## sfx
+#define ISCMEMPOOLFUNC(sfx) isc___mempool_ ## sfx
+#else
+#define ISCMEMFUNC(sfx) isc__mem_ ## sfx
+#define ISCMEMPOOLFUNC(sfx) isc__mempool_ ## sfx
+#endif
+
+#define isc_mem_get(c, s)	ISCMEMFUNC(get)((c), (s) _ISC_MEM_FILELINE)
+#define isc_mem_allocate(c, s)	ISCMEMFUNC(allocate)((c), (s) _ISC_MEM_FILELINE)
+#define isc_mem_reallocate(c, p, s) ISCMEMFUNC(reallocate)((c), (p), (s) _ISC_MEM_FILELINE)
+#define isc_mem_strdup(c, p)	ISCMEMFUNC(strdup)((c), (p) _ISC_MEM_FILELINE)
+#define isc_mempool_get(c)	ISCMEMPOOLFUNC(get)((c) _ISC_MEM_FILELINE)
 
 /*%
  * isc_mem_putanddetach() is a convenience function for use where you
@@ -187,33 +205,102 @@ LIBISC_EXTERNAL_DATA extern unsigned int isc_mem_debugging;
  * \endcode
  */
 
+/*% memory and memory pool methods */
+typedef struct isc_memmethods {
+	void (*attach)(isc_mem_t *source, isc_mem_t **targetp);
+	void (*detach)(isc_mem_t **mctxp);
+	void (*destroy)(isc_mem_t **mctxp);
+	void *(*memget)(isc_mem_t *mctx, size_t size _ISC_MEM_FLARG);
+	void (*memput)(isc_mem_t *mctx, void *ptr, size_t size _ISC_MEM_FLARG);
+	void (*memputanddetach)(isc_mem_t **mctxp, void *ptr,
+				size_t size _ISC_MEM_FLARG);
+	void *(*memallocate)(isc_mem_t *mctx, size_t size _ISC_MEM_FLARG);
+	void *(*memreallocate)(isc_mem_t *mctx, void *ptr,
+			       size_t size _ISC_MEM_FLARG);
+	char *(*memstrdup)(isc_mem_t *mctx, const char *s _ISC_MEM_FLARG);
+	void (*memfree)(isc_mem_t *mctx, void *ptr _ISC_MEM_FLARG);
+	void (*setdestroycheck)(isc_mem_t *mctx, isc_boolean_t flag);
+	void (*setwater)(isc_mem_t *ctx, isc_mem_water_t water,
+			 void *water_arg, size_t hiwater, size_t lowater);
+	void (*waterack)(isc_mem_t *ctx, int flag);
+	size_t (*inuse)(isc_mem_t *mctx);
+	isc_boolean_t (*isovermem)(isc_mem_t *mctx);
+	isc_result_t (*mpcreate)(isc_mem_t *mctx, size_t size,
+				 isc_mempool_t **mpctxp);
+} isc_memmethods_t;
+
+typedef struct isc_mempoolmethods {
+	void (*destroy)(isc_mempool_t **mpctxp);
+	void *(*get)(isc_mempool_t *mpctx _ISC_MEM_FLARG);
+	void (*put)(isc_mempool_t *mpctx, void *mem _ISC_MEM_FLARG);
+	unsigned int (*getallocated)(isc_mempool_t *mpctx);
+	void (*setmaxalloc)(isc_mempool_t *mpctx, unsigned int limit);
+	void (*setfreemax)(isc_mempool_t *mpctx, unsigned int limit);
+	void (*setname)(isc_mempool_t *mpctx, const char *name);
+	void (*associatelock)(isc_mempool_t *mpctx, isc_mutex_t *lock);
+	void (*setfillcount)(isc_mempool_t *mpctx, unsigned int limit);
+} isc_mempoolmethods_t;
+
+/*%
+ * This structure is actually just the common prefix of a memory context
+ * implementation's version of an isc_mem_t.
+ * \brief
+ * Direct use of this structure by clients is forbidden.  mctx implementations
+ * may change the structure.  'magic' must be ISCAPI_MCTX_MAGIC for any of the
+ * isc_mem_ routines to work.  mctx implementations must maintain all mctx
+ * invariants.
+ */
+struct isc_mem {
+	unsigned int		impmagic;
+	unsigned int		magic;
+	isc_memmethods_t	*methods;
+};
+
+#define ISCAPI_MCTX_MAGIC	ISC_MAGIC('A','m','c','x')
+#define ISCAPI_MCTX_VALID(m)	((m) != NULL && \
+				 (m)->magic == ISCAPI_MCTX_MAGIC)
+
+/*%
+ * This is the common prefix of a memory pool context.  The same note as
+ * that for the mem structure applies.
+ */
+struct isc_mempool {
+	unsigned int		impmagic;
+	unsigned int		magic;
+	isc_mempoolmethods_t	*methods;
+};
+
+#define ISCAPI_MPOOL_MAGIC	ISC_MAGIC('A','m','p','l')
+#define ISCAPI_MPOOL_VALID(mp)	((mp) != NULL && \
+				 (mp)->magic == ISCAPI_MPOOL_MAGIC)
+
 #if ISC_MEM_DEBUG
 #define isc_mem_put(c, p, s) \
 	do { \
-		isc__mem_put((c), (p), (s) _ISC_MEM_FILELINE); \
+		ISCMEMFUNC(put)((c), (p), (s) _ISC_MEM_FILELINE);	\
 		(p) = NULL; \
 	} while (0)
 #define isc_mem_putanddetach(c, p, s) \
 	do { \
-		isc__mem_putanddetach((c), (p), (s) _ISC_MEM_FILELINE); \
+		ISCMEMFUNC(putanddetach)((c), (p), (s) _ISC_MEM_FILELINE); \
 		(p) = NULL; \
 	} while (0)
 #define isc_mem_free(c, p) \
 	do { \
-		isc__mem_free((c), (p) _ISC_MEM_FILELINE); \
+		ISCMEMFUNC(free)((c), (p) _ISC_MEM_FILELINE);	\
 		(p) = NULL; \
 	} while (0)
 #define isc_mempool_put(c, p) \
 	do { \
-		isc__mempool_put((c), (p) _ISC_MEM_FILELINE); \
+		ISCMEMPOOLFUNC(put)((c), (p) _ISC_MEM_FILELINE);	\
 		(p) = NULL; \
 	} while (0)
 #else
-#define isc_mem_put(c, p, s)	isc__mem_put((c), (p), (s) _ISC_MEM_FILELINE)
+#define isc_mem_put(c, p, s)	ISCMEMFUNC(put)((c), (p), (s) _ISC_MEM_FILELINE)
 #define isc_mem_putanddetach(c, p, s) \
-	isc__mem_putanddetach((c), (p), (s) _ISC_MEM_FILELINE)
-#define isc_mem_free(c, p)	isc__mem_free((c), (p) _ISC_MEM_FILELINE)
-#define isc_mempool_put(c, p)	isc__mempool_put((c), (p) _ISC_MEM_FILELINE)
+	ISCMEMFUNC(putanddetach)((c), (p), (s) _ISC_MEM_FILELINE)
+#define isc_mem_free(c, p)	ISCMEMFUNC(free)((c), (p) _ISC_MEM_FILELINE)
+#define isc_mempool_put(c, p)	ISCMEMPOOLFUNC(put)((c), (p) _ISC_MEM_FILELINE)
 #endif
 
 /*@{*/
@@ -613,24 +700,50 @@ isc_mempool_setfillcount(isc_mempool_t *mpctx, unsigned int limit);
  * Pseudo-private functions for use via macros.  Do not call directly.
  */
 void *
-isc__mem_get(isc_mem_t *, size_t _ISC_MEM_FLARG);
+ISCMEMFUNC(get)(isc_mem_t *, size_t _ISC_MEM_FLARG);
 void
-isc__mem_putanddetach(isc_mem_t **, void *,
-				      size_t _ISC_MEM_FLARG);
+ISCMEMFUNC(putanddetach)(isc_mem_t **, void *, size_t _ISC_MEM_FLARG);
 void
-isc__mem_put(isc_mem_t *, void *, size_t _ISC_MEM_FLARG);
+ISCMEMFUNC(put)(isc_mem_t *, void *, size_t _ISC_MEM_FLARG);
 void *
-isc__mem_allocate(isc_mem_t *, size_t _ISC_MEM_FLARG);
+ISCMEMFUNC(allocate)(isc_mem_t *, size_t _ISC_MEM_FLARG);
 void *
-isc__mem_reallocate(isc_mem_t *, void *, size_t _ISC_MEM_FLARG);
+ISCMEMFUNC(reallocate)(isc_mem_t *, void *, size_t _ISC_MEM_FLARG);
 void
-isc__mem_free(isc_mem_t *, void * _ISC_MEM_FLARG);
+ISCMEMFUNC(free)(isc_mem_t *, void * _ISC_MEM_FLARG);
 char *
-isc__mem_strdup(isc_mem_t *, const char *_ISC_MEM_FLARG);
+ISCMEMFUNC(strdup)(isc_mem_t *, const char *_ISC_MEM_FLARG);
 void *
-isc__mempool_get(isc_mempool_t * _ISC_MEM_FLARG);
+ISCMEMPOOLFUNC(get)(isc_mempool_t * _ISC_MEM_FLARG);
 void
-isc__mempool_put(isc_mempool_t *, void * _ISC_MEM_FLARG);
+ISCMEMPOOLFUNC(put)(isc_mempool_t *, void * _ISC_MEM_FLARG);
+
+#ifdef USE_MEMIMPREGISTER
+
+/*%<
+ * See isc_mem_create2() above.
+ */
+typedef isc_result_t
+(*isc_memcreatefunc_t)(size_t init_max_size, size_t target_size,
+		       isc_mem_t **ctxp, unsigned int flags);
+
+isc_result_t
+isc_mem_register(isc_memcreatefunc_t createfunc);
+/*%<
+ * Register a new memory management implementation and add it to the list of
+ * supported implementations.  This function must be called when a different
+ * memory management library is used than the one contained in the ISC library.
+ */
+
+isc_result_t
+isc__mem_register(void);
+/*%<
+ * A short cut function that specifies the memory management module in the ISC
+ * library for isc_mem_register().  An application that uses the ISC library
+ * usually do not have to care about this function: it would call
+ * isc_lib_register(), which internally calls this function.
+ */
+#endif /* USE_MEMIMPREGISTER */
 
 ISC_LANG_ENDDECLS
 
diff --git a/lib/isc/include/isc/msgs.h b/lib/isc/include/isc/msgs.h
index 674371f5..22dfde2 100644
--- a/lib/isc/include/isc/msgs.h
+++ b/lib/isc/include/isc/msgs.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: msgs.h,v 1.17 2008-08-08 06:28:59 tbox Exp $ */
+/* $Id: msgs.h,v 1.19 2009-10-01 23:48:08 tbox Exp $ */
 
 #ifndef ISC_MSGS_H
 #define ISC_MSGS_H 1
@@ -156,7 +156,7 @@
 #define ISC_MSG_FILTER	       1421 /*%< setsockopt(SO_ACCEPTFILTER): %s */
 
 #define ISC_MSG_TOOMANYHANDLES 1422 /*%< %s: too many open WSA event handles: %s */
-
+#define ISC_MSG_POKED          1423 /*%< "poked flags: %d" */
 
 #define ISC_MSG_AWAKE	       1502 /*%< "awake" */
 #define ISC_MSG_WORKING	       1503 /*%< "working" */
diff --git a/lib/isc/include/isc/namespace.h b/lib/isc/include/isc/namespace.h
new file mode 100644
index 0000000..05a8b2c
--- /dev/null
+++ b/lib/isc/include/isc/namespace.h
@@ -0,0 +1,164 @@
+/*
+ * Copyright (C) 2009, 2010  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: namespace.h,v 1.9 2010-12-04 13:25:59 marka Exp $ */
+
+#ifndef ISCAPI_NAMESPACE_H
+#define ISCAPI_NAMESPACE_H 1
+
+/*%
+ * name space conversions
+ */
+
+#ifdef BIND9
+
+#define isc_app_start isc__app_start
+#define isc_app_ctxstart isc__app_ctxstart
+#define isc_app_onrun isc__app_onrun
+#define isc_app_run isc__app_run
+#define isc_app_ctxrun isc__app_ctxrun
+#define isc_app_shutdown isc__app_shutdown
+#define isc_app_ctxshutdown isc__app_ctxshutdown
+#define isc_app_ctxsuspend isc__app_ctxsuspend
+#define isc_app_reload isc__app_reload
+#define isc_app_finish isc__app_finish
+#define isc_app_block isc__app_block
+#define isc_app_unblock isc__app_unblock
+#define isc_appctx_create isc__appctx_create
+#define isc_appctx_destroy isc__appctx_destroy
+#define isc_appctx_settaskmgr isc__appctx_settaskmgr
+#define isc_appctx_setsocketmgr isc__appctx_setsocketmgr
+#define isc_appctx_settimermgr isc__appctx_settimermgr
+
+#define isc_mem_checkdestroyed isc__mem_checkdestroyed
+#define isc_mem_createx isc__mem_createx
+#define isc_mem_createx2 isc__mem_createx2
+#define isc_mem_create isc__mem_create
+#define isc_mem_create2 isc__mem_create2
+#define isc_mem_attach isc__mem_attach
+#define isc_mem_detach isc__mem_detach
+#define isc__mem_putanddetach isc___mem_putanddetach
+#define isc_mem_destroy isc__mem_destroy
+#define isc_mem_ondestroy isc__mem_ondestroy
+#define isc__mem_get isc___mem_get
+#define isc__mem_put isc___mem_put
+#define isc_mem_stats isc__mem_stats
+#define isc__mem_allocate isc___mem_allocate
+#define isc__mem_free isc___mem_free
+#define isc__mem_strdup isc___mem_strdup
+#define isc__mem_reallocate isc___mem_reallocate
+#define isc_mem_references isc__mem_references
+#define isc_mem_setdestroycheck isc__mem_setdestroycheck
+#define isc_mem_setquota isc__mem_setquota
+#define isc_mem_getname isc__mem_getname
+#define isc_mem_getquota isc__mem_getquota
+#define isc_mem_gettag isc__mem_gettag
+#define isc_mem_inuse isc__mem_inuse
+#define isc_mem_isovermem isc__mem_isovermem
+#define isc_mem_setname isc__mem_setname
+#define isc_mem_setwater isc__mem_setwater
+#define isc_mem_printallactive isc__mem_printallactive
+#define isc_mem_waterack isc__mem_waterack
+#define isc_mempool_create isc__mempool_create
+#define isc_mempool_setname isc__mempool_setname
+#define isc_mempool_destroy isc__mempool_destroy
+#define isc_mempool_associatelock isc__mempool_associatelock
+#define isc__mempool_get isc___mempool_get
+#define isc__mempool_put isc___mempool_put
+#define isc_mempool_setfreemax isc__mempool_setfreemax
+#define isc_mempool_getfreemax isc__mempool_getfreemax
+#define isc_mempool_getfreecount isc__mempool_getfreecount
+#define isc_mempool_setmaxalloc isc__mempool_setmaxalloc
+#define isc_mempool_getmaxalloc isc__mempool_getmaxalloc
+#define isc_mempool_getallocated isc__mempool_getallocated
+#define isc_mempool_setfillcount isc__mempool_setfillcount
+#define isc_mempool_getfillcount isc__mempool_getfillcount
+
+#define isc_socket_create isc__socket_create
+#define isc_socket_attach isc__socket_attach
+#define isc_socket_detach isc__socket_detach
+#define isc_socketmgr_create isc__socketmgr_create
+#define isc_socketmgr_create2 isc__socketmgr_create2
+#define isc_socketmgr_destroy isc__socketmgr_destroy
+#define isc_socket_open isc__socket_open
+#define isc_socket_close isc__socket_close
+#define isc_socket_recvv isc__socket_recvv
+#define isc_socket_recv isc__socket_recv
+#define isc_socket_recv2 isc__socket_recv2
+#define isc_socket_send isc__socket_send
+#define isc_socket_sendto isc__socket_sendto
+#define isc_socket_sendv isc__socket_sendv
+#define isc_socket_sendtov isc__socket_sendtov
+#define isc_socket_sendto2 isc__socket_sendto2
+#define isc_socket_cleanunix isc__socket_cleanunix
+#define isc_socket_permunix isc__socket_permunix
+#define isc_socket_bind isc__socket_bind
+#define isc_socket_filter isc__socket_filter
+#define isc_socket_listen isc__socket_listen
+#define isc_socket_accept isc__socket_accept
+#define isc_socket_connect isc__socket_connect
+#define isc_socket_getname isc__socket_getname
+#define isc_socket_gettag isc__socket_gettag
+#define isc_socket_getpeername isc__socket_getpeername
+#define isc_socket_getsockname isc__socket_getsockname
+#define isc_socket_cancel isc__socket_cancel
+#define isc_socket_gettype isc__socket_gettype
+#define isc_socket_isbound isc__socket_isbound
+#define isc_socket_ipv6only isc__socket_ipv6only
+#define isc_socket_setname isc__socket_setname
+#define isc_socketmgr_getmaxsockets isc__socketmgr_getmaxsockets
+#define isc_socketmgr_setstats isc__socketmgr_setstats
+#define isc_socketmgr_setreserved isc__socketmgr_setreserved
+#define isc__socketmgr_maxudp isc___socketmgr_maxudp
+#define isc_socket_fdwatchcreate isc__socket_fdwatchcreate
+#define isc_socket_fdwatchpoke isc__socket_fdwatchpoke
+
+#define isc_task_create isc__task_create
+#define isc_task_attach isc__task_attach
+#define isc_task_detach isc__task_detach
+/* #define isc_task_exiting isc__task_exiting XXXMPA */
+#define isc_task_send isc__task_send
+#define isc_task_sendanddetach isc__task_sendanddetach
+#define isc_task_purgerange isc__task_purgerange
+#define isc_task_purge isc__task_purge
+#define isc_task_purgeevent isc__task_purgeevent
+#define isc_task_unsendrange isc__task_unsendrange
+#define isc_task_unsend isc__task_unsend
+#define isc_task_onshutdown isc__task_onshutdown
+#define isc_task_shutdown isc__task_shutdown
+#define isc_task_destroy isc__task_destroy
+#define isc_task_setname isc__task_setname
+#define isc_task_getname isc__task_getname
+#define isc_task_gettag isc__task_gettag
+#define isc_task_getcurrenttime isc__task_getcurrenttime
+#define isc_taskmgr_create isc__taskmgr_create
+#define isc_taskmgr_destroy isc__taskmgr_destroy
+#define isc_task_beginexclusive isc__task_beginexclusive
+#define isc_task_endexclusive isc__task_endexclusive
+
+#define isc_timer_create isc__timer_create
+#define isc_timer_reset isc__timer_reset
+#define isc_timer_gettype isc__timer_gettype
+#define isc_timer_touch isc__timer_touch
+#define isc_timer_attach isc__timer_attach
+#define isc_timer_detach isc__timer_detach
+#define isc_timermgr_create isc__timermgr_create
+#define isc_timermgr_poke isc__timermgr_poke
+#define isc_timermgr_destroy isc__timermgr_destroy
+
+#endif /* BIND9 */
+
+#endif /* ISCAPI_NAMESPACE_H */
diff --git a/lib/isc/include/isc/netaddr.h b/lib/isc/include/isc/netaddr.h
index 52418ec..04b7ec1 100644
--- a/lib/isc/include/isc/netaddr.h
+++ b/lib/isc/include/isc/netaddr.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: netaddr.h,v 1.35.332.2 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: netaddr.h,v 1.37 2009-01-17 23:47:43 tbox Exp $ */
 
 #ifndef ISC_NETADDR_H
 #define ISC_NETADDR_H 1
diff --git a/lib/isc/include/isc/netscope.h b/lib/isc/include/isc/netscope.h
index 7b2c13c..1a50816 100644
--- a/lib/isc/include/isc/netscope.h
+++ b/lib/isc/include/isc/netscope.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: netscope.h,v 1.11.332.2 2009-06-25 23:47:24 tbox Exp $ */
+/* $Id: netscope.h,v 1.13 2009-06-25 23:48:02 tbox Exp $ */
 
 #ifndef ISC_NETSCOPE_H
 #define ISC_NETSCOPE_H 1
diff --git a/lib/isc/include/isc/platform.h.in b/lib/isc/include/isc/platform.h.in
index 99c887b..2491274 100644
--- a/lib/isc/include/isc/platform.h.in
+++ b/lib/isc/include/isc/platform.h.in
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: platform.h.in,v 1.48.84.4 2010-06-03 23:47:49 tbox Exp $ */
+/* $Id: platform.h.in,v 1.56 2010-12-18 01:56:23 each Exp $ */
 
 #ifndef ISC_PLATFORM_H
 #define ISC_PLATFORM_H 1
@@ -146,6 +146,11 @@
  */
 @ISC_PLATFORM_HAVEDEVPOLL@
 
+/*! \brief
+ * Define if we want to log backtrace
+ */
+@ISC_PLATFORM_USEBACKTRACE@
+
 /*
  *** Printing.
  ***/
@@ -215,6 +220,12 @@
 @ISC_PLATFORM_GSSAPIHEADER@
 
 /*
+ * Defined to  or  for how to
+ * include the GSSAPI KRB5 header.
+ */
+@ISC_PLATFORM_GSSAPI_KRB5_HEADER@
+
+/*
  * Defined to  or  for how to include
  * the KRB5 header.
  */
@@ -290,6 +301,17 @@
  */
 @ISC_PLATFORM_HAVESTRINGSH@
 
+/*
+ * Define if the hash functions must be provided by OpenSSL.
+ */
+@ISC_PLATFORM_OPENSSLHASH@
+
+/*
+ * Defines for the noreturn attribute.
+ */
+@ISC_PLATFORM_NORETURN_PRE@
+@ISC_PLATFORM_NORETURN_POST@
+
 /***
  ***	Windows dll support.
  ***/
diff --git a/lib/isc/include/isc/portset.h b/lib/isc/include/isc/portset.h
index a257322..2e27467 100644
--- a/lib/isc/include/isc/portset.h
+++ b/lib/isc/include/isc/portset.h
@@ -14,7 +14,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: portset.h,v 1.3.90.3 2009-06-25 05:31:51 marka Exp $ */
+/* $Id: portset.h,v 1.6 2009-06-25 05:28:34 marka Exp $ */
 
 /*! \file isc/portset.h
  * \brief Transport Protocol Port Manipulation Module
diff --git a/lib/isc/include/isc/radix.h b/lib/isc/include/isc/radix.h
index fa5e294..ed8aaf2 100644
--- a/lib/isc/include/isc/radix.h
+++ b/lib/isc/include/isc/radix.h
@@ -14,7 +14,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: radix.h,v 1.11.44.2 2008-12-24 23:47:02 tbox Exp $ */
+/* $Id: radix.h,v 1.13 2008-12-01 23:47:45 tbox Exp $ */
 
 /*
  * This source was adapted from MRT's RCS Ids:
diff --git a/lib/isc/include/isc/random.h b/lib/isc/include/isc/random.h
index 9743cb4..e05b204 100644
--- a/lib/isc/include/isc/random.h
+++ b/lib/isc/include/isc/random.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: random.h,v 1.18.332.2 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: random.h,v 1.20 2009-01-17 23:47:43 tbox Exp $ */
 
 #ifndef ISC_RANDOM_H
 #define ISC_RANDOM_H 1
diff --git a/lib/isc/include/isc/ratelimiter.h b/lib/isc/include/isc/ratelimiter.h
index 7ed312a..f8a9819 100644
--- a/lib/isc/include/isc/ratelimiter.h
+++ b/lib/isc/include/isc/ratelimiter.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: ratelimiter.h,v 1.21.332.2 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: ratelimiter.h,v 1.23 2009-01-18 23:48:14 tbox Exp $ */
 
 #ifndef ISC_RATELIMITER_H
 #define ISC_RATELIMITER_H 1
diff --git a/lib/isc/include/isc/refcount.h b/lib/isc/include/isc/refcount.h
index 8e83a13..71f35f1 100644
--- a/lib/isc/include/isc/refcount.h
+++ b/lib/isc/include/isc/refcount.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2001, 2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: refcount.h,v 1.15 2007-06-19 23:47:18 tbox Exp $ */
+/* $Id: refcount.h,v 1.17 2009-09-29 23:48:04 tbox Exp $ */
 
 #ifndef ISC_REFCOUNT_H
 #define ISC_REFCOUNT_H 1
@@ -28,7 +28,7 @@
 #include 
 
 /*! \file isc/refcount.h
- * \brief Implements a locked reference counter.  
+ * \brief Implements a locked reference counter.
  *
  * These functions may actually be
  * implemented using macros, and implementations of these macros are below.
@@ -42,7 +42,7 @@ ISC_LANG_BEGINDECLS
  * Function prototypes
  */
 
-/* 
+/*
  * isc_result_t
  * isc_refcount_init(isc_refcount_t *ref, unsigned int n);
  *
@@ -103,7 +103,7 @@ typedef struct isc_refcount {
 	isc_int32_t refs;
 } isc_refcount_t;
 
-#define isc_refcount_destroy(rp) (REQUIRE((rp)->refs == 0))
+#define isc_refcount_destroy(rp) REQUIRE((rp)->refs == 0)
 #define isc_refcount_current(rp) ((unsigned int)((rp)->refs))
 
 #define isc_refcount_increment0(rp, tp)				\
@@ -192,7 +192,7 @@ typedef struct isc_refcount {
 	int refs;
 } isc_refcount_t;
 
-#define isc_refcount_destroy(rp) (REQUIRE((rp)->refs == 0))
+#define isc_refcount_destroy(rp) REQUIRE((rp)->refs == 0)
 #define isc_refcount_current(rp) ((unsigned int)((rp)->refs))
 
 #define isc_refcount_increment0(rp, tp)					\
diff --git a/lib/isc/include/isc/result.h b/lib/isc/include/isc/result.h
index 804ab5e..cc591dc 100644
--- a/lib/isc/include/isc/result.h
+++ b/lib/isc/include/isc/result.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2001, 2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: result.h,v 1.71 2008-09-25 04:02:39 tbox Exp $ */
+/* $Id: result.h,v 1.73 2009-09-02 23:48:03 tbox Exp $ */
 
 #ifndef ISC_RESULT_H
 #define ISC_RESULT_H 1
@@ -42,6 +42,7 @@
 #define ISC_R_EOF			14	/*%< end of file */
 #define ISC_R_BOUND			15	/*%< socket already bound */
 #define ISC_R_RELOAD			16	/*%< reload */
+#define ISC_R_SUSPEND	      ISC_R_RELOAD	/*%< alias of 'reload' */
 #define ISC_R_LOCKBUSY			17	/*%< lock busy */
 #define ISC_R_EXISTS			18	/*%< already exists */
 #define ISC_R_NOSPACE			19	/*%< ran out of space */
diff --git a/lib/isc/include/isc/resultclass.h b/lib/isc/include/isc/resultclass.h
index 86c55b6..84f6c64 100644
--- a/lib/isc/include/isc/resultclass.h
+++ b/lib/isc/include/isc/resultclass.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: resultclass.h,v 1.18 2007-06-19 23:47:18 tbox Exp $ */
+/* $Id: resultclass.h,v 1.20 2009-09-02 23:48:03 tbox Exp $ */
 
 #ifndef ISC_RESULTCLASS_H
 #define ISC_RESULTCLASS_H 1
@@ -45,6 +45,7 @@
 #define	ISC_RESULTCLASS_DNSRCODE	ISC_RESULTCLASS_FROMNUM(3)
 #define	ISC_RESULTCLASS_OMAPI		ISC_RESULTCLASS_FROMNUM(4)
 #define	ISC_RESULTCLASS_ISCCC		ISC_RESULTCLASS_FROMNUM(5)
+#define	ISC_RESULTCLASS_DHCP		ISC_RESULTCLASS_FROMNUM(6)
 
 
 #endif /* ISC_RESULTCLASS_H */
diff --git a/lib/isc/include/isc/serial.h b/lib/isc/include/isc/serial.h
index 97d5fe1..332709d 100644
--- a/lib/isc/include/isc/serial.h
+++ b/lib/isc/include/isc/serial.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: serial.h,v 1.16.332.2 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: serial.h,v 1.18 2009-01-18 23:48:14 tbox Exp $ */
 
 #ifndef ISC_SERIAL_H
 #define ISC_SERIAL_H 1
diff --git a/lib/isc/include/isc/sha1.h b/lib/isc/include/isc/sha1.h
index 4da682a..a9d08b9 100644
--- a/lib/isc/include/isc/sha1.h
+++ b/lib/isc/include/isc/sha1.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -18,7 +18,7 @@
 #ifndef ISC_SHA1_H
 #define ISC_SHA1_H 1
 
-/* $Id: sha1.h,v 1.17 2007-06-19 23:47:18 tbox Exp $ */
+/* $Id: sha1.h,v 1.19 2009-02-06 23:47:42 tbox Exp $ */
 
 /*	$NetBSD: sha1.h,v 1.2 1998/05/29 22:55:44 thorpej Exp $	*/
 
@@ -29,16 +29,25 @@
  */
 
 #include 
+#include 
 #include 
 
 #define ISC_SHA1_DIGESTLENGTH 20U
 #define ISC_SHA1_BLOCK_LENGTH 64U
 
+#ifdef ISC_PLATFORM_OPENSSLHASH
+#include 
+
+typedef EVP_MD_CTX isc_sha1_t;
+
+#else
+
 typedef struct {
 	isc_uint32_t state[5];
 	isc_uint32_t count[2];
 	unsigned char buffer[ISC_SHA1_BLOCK_LENGTH];
 } isc_sha1_t;
+#endif
 
 ISC_LANG_BEGINDECLS
 
diff --git a/lib/isc/include/isc/sha2.h b/lib/isc/include/isc/sha2.h
index c3130a8..8d4ffa6 100644
--- a/lib/isc/include/isc/sha2.h
+++ b/lib/isc/include/isc/sha2.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2005-2007, 2010  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2005-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -14,7 +14,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: sha2.h,v 1.9.332.2 2010-01-15 23:47:34 tbox Exp $ */
+/* $Id: sha2.h,v 1.12 2009-10-22 02:21:31 each Exp $ */
 
 /*	$FreeBSD$	*/
 /*	$KAME: sha2.h,v 1.3 2001/03/12 08:27:48 itojun Exp $	*/
@@ -58,6 +58,7 @@
 #define ISC_SHA2_H
 
 #include 
+#include 
 #include 
 
 /*** SHA-224/256/384/512 Various Length Definitions ***********************/
@@ -75,10 +76,15 @@
 #define ISC_SHA512_DIGESTLENGTH	64U
 #define ISC_SHA512_DIGESTSTRINGLENGTH	(ISC_SHA512_DIGESTLENGTH * 2 + 1)
 
+/*** SHA-256/384/512 Context Structures *******************************/
 
-ISC_LANG_BEGINDECLS
+#ifdef ISC_PLATFORM_OPENSSLHASH
+#include 
 
-/*** SHA-256/384/512 Context Structures *******************************/
+typedef EVP_MD_CTX isc_sha256_t;
+typedef EVP_MD_CTX isc_sha512_t;
+
+#else
 
 /*
  * Keep buffer immediately after bitcount to preserve alignment.
@@ -97,10 +103,13 @@ typedef struct {
 	isc_uint64_t	bitcount[2];
 	isc_uint8_t	buffer[ISC_SHA512_BLOCK_LENGTH];
 } isc_sha512_t;
+#endif
 
 typedef isc_sha256_t isc_sha224_t;
 typedef isc_sha512_t isc_sha384_t;
 
+ISC_LANG_BEGINDECLS
+
 /*** SHA-224/256/384/512 Function Prototypes ******************************/
 
 void isc_sha224_init (isc_sha224_t *);
diff --git a/lib/isc/include/isc/sockaddr.h b/lib/isc/include/isc/sockaddr.h
index 758cef7..c83655e 100644
--- a/lib/isc/include/isc/sockaddr.h
+++ b/lib/isc/include/isc/sockaddr.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: sockaddr.h,v 1.55.332.2 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: sockaddr.h,v 1.57 2009-01-18 23:48:14 tbox Exp $ */
 
 #ifndef ISC_SOCKADDR_H
 #define ISC_SOCKADDR_H 1
diff --git a/lib/isc/include/isc/socket.h b/lib/isc/include/isc/socket.h
index 749ee52..0aa71da 100644
--- a/lib/isc/include/isc/socket.h
+++ b/lib/isc/include/isc/socket.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: socket.h,v 1.85.58.3 2009-01-29 22:40:35 jinmei Exp $ */
+/* $Id: socket.h,v 1.94 2009-10-01 01:30:01 sar Exp $ */
 
 #ifndef ISC_SOCKET_H
 #define ISC_SOCKET_H 1
@@ -260,6 +260,85 @@ typedef enum {
 #define ISC_SOCKFDWATCH_WRITE	0x00000002	/*%< watch for writable */
 /*@}*/
 
+/*% Socket and socket manager methods */
+typedef struct isc_socketmgrmethods {
+	void		(*destroy)(isc_socketmgr_t **managerp);
+	isc_result_t	(*socketcreate)(isc_socketmgr_t *manager, int pf,
+					isc_sockettype_t type,
+					isc_socket_t **socketp);
+	isc_result_t    (*fdwatchcreate)(isc_socketmgr_t *manager, int fd,
+					 int flags,
+					 isc_sockfdwatch_t callback,
+					 void *cbarg, isc_task_t *task,
+					 isc_socket_t **socketp);
+} isc_socketmgrmethods_t;
+
+typedef struct isc_socketmethods {
+	void		(*attach)(isc_socket_t *socket,
+				  isc_socket_t **socketp);
+	void		(*detach)(isc_socket_t **socketp);
+	isc_result_t	(*bind)(isc_socket_t *sock, isc_sockaddr_t *sockaddr,
+				unsigned int options);
+	isc_result_t	(*sendto)(isc_socket_t *sock, isc_region_t *region,
+				  isc_task_t *task, isc_taskaction_t action,
+				  const void *arg, isc_sockaddr_t *address,
+				  struct in6_pktinfo *pktinfo);
+	isc_result_t	(*connect)(isc_socket_t *sock, isc_sockaddr_t *addr,
+				   isc_task_t *task, isc_taskaction_t action,
+				   const void *arg);
+	isc_result_t	(*recv)(isc_socket_t *sock, isc_region_t *region,
+				unsigned int minimum, isc_task_t *task,
+				isc_taskaction_t action, const void *arg);
+	void		(*cancel)(isc_socket_t *sock, isc_task_t *task,
+				  unsigned int how);
+	isc_result_t	(*getsockname)(isc_socket_t *sock,
+				       isc_sockaddr_t *addressp);
+	isc_sockettype_t (*gettype)(isc_socket_t *sock);
+	void		(*ipv6only)(isc_socket_t *sock, isc_boolean_t yes);
+	isc_result_t    (*fdwatchpoke)(isc_socket_t *sock, int flags);
+} isc_socketmethods_t;
+
+/*%
+ * This structure is actually just the common prefix of a socket manager
+ * object implementation's version of an isc_socketmgr_t.
+ * \brief
+ * Direct use of this structure by clients is forbidden.  socket implementations
+ * may change the structure.  'magic' must be ISCAPI_SOCKETMGR_MAGIC for any
+ * of the isc_socket_ routines to work.  socket implementations must maintain
+ * all socket invariants.
+ * In effect, this definition is used only for non-BIND9 version ("export")
+ * of the library, and the export version does not work for win32.  So, to avoid
+ * the definition conflict with win32/socket.c, we enable this definition only
+ * for non-Win32 (i.e. Unix) platforms.
+ */
+#ifndef WIN32
+struct isc_socketmgr {
+	unsigned int		impmagic;
+	unsigned int		magic;
+	isc_socketmgrmethods_t	*methods;
+};
+#endif
+
+#define ISCAPI_SOCKETMGR_MAGIC		ISC_MAGIC('A','s','m','g')
+#define ISCAPI_SOCKETMGR_VALID(m)	((m) != NULL && \
+					 (m)->magic == ISCAPI_SOCKETMGR_MAGIC)
+
+/*%
+ * This is the common prefix of a socket object.  The same note as
+ * that for the socketmgr structure applies.
+ */
+#ifndef WIN32
+struct isc_socket {
+	unsigned int		impmagic;
+	unsigned int		magic;
+	isc_socketmethods_t	*methods;
+};
+#endif
+
+#define ISCAPI_SOCKET_MAGIC	ISC_MAGIC('A','s','c','t')
+#define ISCAPI_SOCKET_VALID(s)	((s) != NULL && \
+				 (s)->magic == ISCAPI_SOCKET_MAGIC)
+
 /***
  *** Socket and Socket Manager Functions
  ***
@@ -307,6 +386,35 @@ isc_socket_fdwatchcreate(isc_socketmgr_t *manager,
  */
 
 isc_result_t
+isc_socket_fdwatchpoke(isc_socket_t *sock,
+		       int flags);
+/*%<
+ * Poke a file descriptor watch socket informing the manager that it
+ * should restart watching the socket
+ *
+ * Note:
+ *
+ *\li   'sock' is the socket returned by isc_socket_fdwatchcreate
+ *
+ *\li   'flags' indicates what the manager should watch for on the socket
+ *      in addition to what it may already be watching.  It can be one or
+ *      both of ISC_SOCKFDWATCH_READ and ISC_SOCKFDWATCH_WRITE.  To
+ *      temporarily disable watching on a socket the value indicating
+ *      no more data should be returned from the call back routine.
+ *
+ *\li	This function is not available on Windows.
+ *
+ * Requires:
+ *
+ *\li	'sock' is a valid isc socket
+ *
+ *
+ * Returns:
+ *
+ *\li	#ISC_R_SUCCESS
+ */
+
+isc_result_t
 isc_socket_create(isc_socketmgr_t *manager,
 		  int pf,
 		  isc_sockettype_t type,
@@ -821,6 +929,10 @@ isc_socket_sendto2(isc_socket_t *sock, isc_region_t *region,
 /*@}*/
 
 isc_result_t
+isc_socketmgr_createinctx(isc_mem_t *mctx, isc_appctx_t *actx,
+			  isc_socketmgr_t **managerp);
+
+isc_result_t
 isc_socketmgr_create(isc_mem_t *mctx, isc_socketmgr_t **managerp);
 
 isc_result_t
@@ -831,6 +943,8 @@ isc_socketmgr_create2(isc_mem_t *mctx, isc_socketmgr_t **managerp,
  * maximum number of sockets that the created manager should handle.
  * isc_socketmgr_create() is equivalent of isc_socketmgr_create2() with
  * "maxsocks" being zero.
+ * isc_socketmgr_createinctx() also associates the new manager with the
+ * specified application context.
  *
  * Notes:
  *
@@ -842,6 +956,8 @@ isc_socketmgr_create2(isc_mem_t *mctx, isc_socketmgr_t **managerp,
  *
  *\li	'managerp' points to a NULL isc_socketmgr_t.
  *
+ *\li	'actx' is a valid application context (for createinctx()).
+ *
  * Ensures:
  *
  *\li	'*managerp' is a valid isc_socketmgr_t.
@@ -992,6 +1108,12 @@ isc__socketmgr_setreserved(isc_socketmgr_t *mgr, isc_uint32_t);
  * Temporary.  For use by named only.
  */
 
+void
+isc__socketmgr_maxudp(isc_socketmgr_t *mgr, int maxudp);
+/*%<
+ * Test interface. Drop UDP packet > 'maxudp'.
+ */
+
 #ifdef HAVE_LIBXML2
 
 void
@@ -1002,6 +1124,31 @@ isc_socketmgr_renderxml(isc_socketmgr_t *mgr, xmlTextWriterPtr writer);
 
 #endif /* HAVE_LIBXML2 */
 
+#ifdef USE_SOCKETIMPREGISTER
+/*%<
+ * See isc_socketmgr_create() above.
+ */
+typedef isc_result_t
+(*isc_socketmgrcreatefunc_t)(isc_mem_t *mctx, isc_socketmgr_t **managerp);
+
+isc_result_t
+isc_socket_register(isc_socketmgrcreatefunc_t createfunc);
+/*%<
+ * Register a new socket I/O implementation and add it to the list of
+ * supported implementations.  This function must be called when a different
+ * event library is used than the one contained in the ISC library.
+ */
+
+isc_result_t
+isc__socket_register(void);
+/*%<
+ * A short cut function that specifies the socket I/O module in the ISC
+ * library for isc_socket_register().  An application that uses the ISC library
+ * usually do not have to care about this function: it would call
+ * isc_lib_register(), which internally calls this function.
+ */
+#endif /* USE_SOCKETIMPREGISTER */
+
 ISC_LANG_ENDDECLS
 
 #endif /* ISC_SOCKET_H */
diff --git a/lib/isc/include/isc/stats.h b/lib/isc/include/isc/stats.h
index 1148a16..226bc08 100644
--- a/lib/isc/include/isc/stats.h
+++ b/lib/isc/include/isc/stats.h
@@ -14,7 +14,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: stats.h,v 1.4.2.2 2009-01-29 23:47:44 tbox Exp $ */
+/* $Id: stats.h,v 1.4 2009-01-29 01:03:56 jinmei Exp $ */
 
 #ifndef ISC_STATS_H
 #define ISC_STATS_H 1
diff --git a/lib/isc/include/isc/symtab.h b/lib/isc/include/isc/symtab.h
index a1d7102..c61d0ea 100644
--- a/lib/isc/include/isc/symtab.h
+++ b/lib/isc/include/isc/symtab.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: symtab.h,v 1.24.332.2 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: symtab.h,v 1.26 2009-01-18 23:48:14 tbox Exp $ */
 
 #ifndef ISC_SYMTAB_H
 #define ISC_SYMTAB_H 1
diff --git a/lib/isc/include/isc/task.h b/lib/isc/include/isc/task.h
index a8c7569..a2a1bbe 100644
--- a/lib/isc/include/isc/task.h
+++ b/lib/isc/include/isc/task.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007, 2009, 2010  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2009-2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2001, 2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: task.h,v 1.61.332.4 2010-12-03 23:45:47 tbox Exp $ */
+/* $Id: task.h,v 1.69.14.1.2.1 2011-06-02 23:47:36 tbox Exp $ */
 
 #ifndef ISC_TASK_H
 #define ISC_TASK_H 1
@@ -96,6 +96,72 @@
 
 ISC_LANG_BEGINDECLS
 
+/***
+ *** Types
+ ***/
+
+/*% Task and task manager methods */
+typedef struct isc_taskmgrmethods {
+	void		(*destroy)(isc_taskmgr_t **managerp);
+	isc_result_t	(*taskcreate)(isc_taskmgr_t *manager,
+				      unsigned int quantum,
+				      isc_task_t **taskp);
+} isc_taskmgrmethods_t;
+
+typedef struct isc_taskmethods {
+	void (*attach)(isc_task_t *source, isc_task_t **targetp);
+	void (*detach)(isc_task_t **taskp);
+	void (*destroy)(isc_task_t **taskp);
+	void (*send)(isc_task_t *task, isc_event_t **eventp);
+	void (*sendanddetach)(isc_task_t **taskp, isc_event_t **eventp);
+	unsigned int (*unsend)(isc_task_t *task, void *sender, isc_eventtype_t type,
+			       void *tag, isc_eventlist_t *events);
+	isc_result_t (*onshutdown)(isc_task_t *task, isc_taskaction_t action,
+				   const void *arg);
+	void (*shutdown)(isc_task_t *task);
+	void (*setname)(isc_task_t *task, const char *name, void *tag);
+	unsigned int (*purgeevents)(isc_task_t *task, void *sender,
+				    isc_eventtype_t type, void *tag);
+	unsigned int (*purgerange)(isc_task_t *task, void *sender,
+				   isc_eventtype_t first, isc_eventtype_t last,
+				   void *tag);
+	isc_result_t (*beginexclusive)(isc_task_t *task);
+	void (*endexclusive)(isc_task_t *task);
+} isc_taskmethods_t;
+
+/*%
+ * This structure is actually just the common prefix of a task manager
+ * object implementation's version of an isc_taskmgr_t.
+ * \brief
+ * Direct use of this structure by clients is forbidden.  task implementations
+ * may change the structure.  'magic' must be ISCAPI_TASKMGR_MAGIC for any
+ * of the isc_task_ routines to work.  task implementations must maintain
+ * all task invariants.
+ */
+struct isc_taskmgr {
+	unsigned int		impmagic;
+	unsigned int		magic;
+	isc_taskmgrmethods_t	*methods;
+};
+
+#define ISCAPI_TASKMGR_MAGIC	ISC_MAGIC('A','t','m','g')
+#define ISCAPI_TASKMGR_VALID(m)	((m) != NULL && \
+				 (m)->magic == ISCAPI_TASKMGR_MAGIC)
+
+/*%
+ * This is the common prefix of a task object.  The same note as
+ * that for the taskmgr structure applies.
+ */
+struct isc_task {
+	unsigned int		impmagic;
+	unsigned int		magic;
+	isc_taskmethods_t	*methods;
+};
+
+#define ISCAPI_TASK_MAGIC	ISC_MAGIC('A','t','s','t')
+#define ISCAPI_TASK_VALID(s)	((s) != NULL && \
+				 (s)->magic == ISCAPI_TASK_MAGIC)
+
 isc_result_t
 isc_task_create(isc_taskmgr_t *manager, unsigned int quantum,
 		isc_task_t **taskp);
@@ -550,10 +616,15 @@ isc_task_exiting(isc_task_t *t);
  *****/
 
 isc_result_t
+isc_taskmgr_createinctx(isc_mem_t *mctx, isc_appctx_t *actx,
+			unsigned int workers, unsigned int default_quantum,
+			isc_taskmgr_t **managerp);
+isc_result_t
 isc_taskmgr_create(isc_mem_t *mctx, unsigned int workers,
 		   unsigned int default_quantum, isc_taskmgr_t **managerp);
 /*%<
- * Create a new task manager.
+ * Create a new task manager.  isc_taskmgr_createinctx() also associates
+ * the new manager with the specified application context.
  *
  * Notes:
  *
@@ -575,6 +646,8 @@ isc_taskmgr_create(isc_mem_t *mctx, unsigned int workers,
  *
  *\li	managerp != NULL && *managerp == NULL
  *
+ *\li	'actx' is a valid application context (for createinctx()).
+ *
  * Ensures:
  *
  *\li	On success, '*managerp' will be attached to the newly created task
@@ -584,8 +657,10 @@ isc_taskmgr_create(isc_mem_t *mctx, unsigned int workers,
  *
  *\li	#ISC_R_SUCCESS
  *\li	#ISC_R_NOMEMORY
- *\li	#ISC_R_NOTHREADS			No threads could be created.
+ *\li	#ISC_R_NOTHREADS		No threads could be created.
  *\li	#ISC_R_UNEXPECTED		An unexpected error occurred.
+ *\li	#ISC_R_SHUTTINGDOWN      	The non-threaded, shared, task
+ *					manager shutting down.
  */
 
 void
@@ -629,6 +704,31 @@ isc_taskmgr_renderxml(isc_taskmgr_t *mgr, xmlTextWriterPtr writer);
 
 #endif
 
+/*%<
+ * See isc_taskmgr_create() above.
+ */
+typedef isc_result_t
+(*isc_taskmgrcreatefunc_t)(isc_mem_t *mctx, unsigned int workers,
+			   unsigned int default_quantum,
+			   isc_taskmgr_t **managerp);
+
+isc_result_t
+isc_task_register(isc_taskmgrcreatefunc_t createfunc);
+/*%<
+ * Register a new task management implementation and add it to the list of
+ * supported implementations.  This function must be called when a different
+ * event library is used than the one contained in the ISC library.
+ */
+
+isc_result_t
+isc__task_register(void);
+/*%<
+ * A short cut function that specifies the task management module in the ISC
+ * library for isc_task_register().  An application that uses the ISC library
+ * usually do not have to care about this function: it would call
+ * isc_lib_register(), which internally calls this function.
+ */
+
 ISC_LANG_ENDDECLS
 
 #endif /* ISC_TASK_H */
diff --git a/lib/isc/include/isc/timer.h b/lib/isc/include/isc/timer.h
index 052e25b..a54e73b 100644
--- a/lib/isc/include/isc/timer.h
+++ b/lib/isc/include/isc/timer.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: timer.h,v 1.40 2008-06-23 23:47:11 tbox Exp $ */
+/* $Id: timer.h,v 1.43 2009-09-02 23:48:03 tbox Exp $ */
 
 #ifndef ISC_TIMER_H
 #define ISC_TIMER_H 1
@@ -103,6 +103,61 @@ typedef struct isc_timerevent {
 #define ISC_TIMEREVENT_LIFE		(ISC_EVENTCLASS_TIMER + 3)
 #define ISC_TIMEREVENT_LASTEVENT	(ISC_EVENTCLASS_TIMER + 65535)
 
+/*% Timer and timer manager methods */
+typedef struct {
+	void		(*destroy)(isc_timermgr_t **managerp);
+	isc_result_t	(*timercreate)(isc_timermgr_t *manager,
+				       isc_timertype_t type,
+				       isc_time_t *expires,
+				       isc_interval_t *interval,
+				       isc_task_t *task,
+				       isc_taskaction_t action,
+				       const void *arg,
+				       isc_timer_t **timerp);
+} isc_timermgrmethods_t;
+
+typedef struct {
+	void		(*attach)(isc_timer_t *timer, isc_timer_t **timerp);
+	void		(*detach)(isc_timer_t **timerp);
+	isc_result_t	(*reset)(isc_timer_t *timer, isc_timertype_t type,
+				 isc_time_t *expires, isc_interval_t *interval,
+				 isc_boolean_t purge);
+	isc_result_t	(*touch)(isc_timer_t *timer);
+} isc_timermethods_t;
+
+/*%
+ * This structure is actually just the common prefix of a timer manager
+ * object implementation's version of an isc_timermgr_t.
+ * \brief
+ * Direct use of this structure by clients is forbidden.  timer implementations
+ * may change the structure.  'magic' must be ISCAPI_TIMERMGR_MAGIC for any
+ * of the isc_timer_ routines to work.  timer implementations must maintain
+ * all timer invariants.
+ */
+struct isc_timermgr {
+	unsigned int		impmagic;
+	unsigned int		magic;
+	isc_timermgrmethods_t	*methods;
+};
+
+#define ISCAPI_TIMERMGR_MAGIC		ISC_MAGIC('A','t','m','g')
+#define ISCAPI_TIMERMGR_VALID(m)	((m) != NULL && \
+					 (m)->magic == ISCAPI_TIMERMGR_MAGIC)
+
+/*%
+ * This is the common prefix of a timer object.  The same note as
+ * that for the timermgr structure applies.
+ */
+struct isc_timer {
+	unsigned int		impmagic;
+	unsigned int		magic;
+	isc_timermethods_t	*methods;
+};
+
+#define ISCAPI_TIMER_MAGIC	ISC_MAGIC('A','t','m','r')
+#define ISCAPI_TIMER_VALID(s)	((s) != NULL && \
+				 (s)->magic == ISCAPI_TIMER_MAGIC)
+
 /***
  *** Timer and Timer Manager Functions
  ***
@@ -289,9 +344,14 @@ isc_timer_gettype(isc_timer_t *timer);
  */
 
 isc_result_t
+isc_timermgr_createinctx(isc_mem_t *mctx, isc_appctx_t *actx,
+			 isc_timermgr_t **managerp);
+
+isc_result_t
 isc_timermgr_create(isc_mem_t *mctx, isc_timermgr_t **managerp);
 /*%<
- * Create a timer manager.
+ * Create a timer manager.  isc_timermgr_createinctx() also associates
+ * the new manager with the specified application context.
  *
  * Notes:
  *
@@ -303,6 +363,8 @@ isc_timermgr_create(isc_mem_t *mctx, isc_timermgr_t **managerp);
  *
  *\li	'managerp' points to a NULL isc_timermgr_t.
  *
+ *\li	'actx' is a valid application context (for createinctx()).
+ *
  * Ensures:
  *
  *\li	'*managerp' is a valid isc_timermgr_t.
@@ -339,6 +401,31 @@ isc_timermgr_destroy(isc_timermgr_t **managerp);
 
 void isc_timermgr_poke(isc_timermgr_t *m);
 
+#ifdef USE_TIMERIMPREGISTER
+/*%<
+ * See isc_timermgr_create() above.
+ */
+typedef isc_result_t
+(*isc_timermgrcreatefunc_t)(isc_mem_t *mctx, isc_timermgr_t **managerp);
+
+isc_result_t
+isc__timer_register(void);
+/*%<
+ * Register a new timer management implementation and add it to the list of
+ * supported implementations.  This function must be called when a different
+ * event library is used than the one contained in the ISC library.
+ */
+
+isc_result_t
+isc_timer_register(isc_timermgrcreatefunc_t createfunc);
+/*%<
+ * A short cut function that specifies the timer management module in the ISC
+ * library for isc_timer_register().  An application that uses the ISC library
+ * usually do not have to care about this function: it would call
+ * isc_lib_register(), which internally calls this function.
+ */
+#endif /* USE_TIMERIMPREGISTER */
+
 ISC_LANG_ENDDECLS
 
 #endif /* ISC_TIMER_H */
diff --git a/lib/isc/include/isc/types.h b/lib/isc/include/isc/types.h
index 01362b8..10da62b 100644
--- a/lib/isc/include/isc/types.h
+++ b/lib/isc/include/isc/types.h
@@ -15,11 +15,14 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: types.h,v 1.46.84.2 2009-01-29 23:47:44 tbox Exp $ */
+/* $Id: types.h,v 1.52 2009-12-05 23:31:41 each Exp $ */
 
 #ifndef ISC_TYPES_H
 #define ISC_TYPES_H 1
 
+#include 
+#include 
+
 /*! \file isc/types.h
  * \brief
  * OS-specific types, from the OS-specific include directories.
@@ -40,6 +43,8 @@
 
 /* Core Types.  Alphabetized by defined type. */
 
+typedef struct isc_appctx		isc_appctx_t;	 	/*%< Application context */
+typedef struct isc_backtrace_symmap	isc_backtrace_symmap_t; /*%< Symbol Table Entry */
 typedef struct isc_bitstring		isc_bitstring_t; 	/*%< Bitstring */
 typedef struct isc_buffer		isc_buffer_t;		/*%< Buffer */
 typedef ISC_LIST(isc_buffer_t)		isc_bufferlist_t;	/*%< Buffer List */
@@ -94,7 +99,7 @@ typedef struct isc_timer		isc_timer_t;		/*%< Timer */
 typedef struct isc_timermgr		isc_timermgr_t;		/*%< Timer Manager */
 
 typedef void (*isc_taskaction_t)(isc_task_t *, isc_event_t *);
-typedef int (*isc_sockfdwatch_t)(isc_task_t *, isc_socket_t *, void *);
+typedef int (*isc_sockfdwatch_t)(isc_task_t *, isc_socket_t *, void *, int);
 
 /* The following cannot be listed alphabetically due to forward reference */
 typedef isc_result_t (isc_httpdaction_t)(const char *url,
diff --git a/lib/isc/include/isc/util.h b/lib/isc/include/isc/util.h
index 8ccad8d..11d0044 100644
--- a/lib/isc/include/isc/util.h
+++ b/lib/isc/include/isc/util.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: util.h,v 1.30.332.2 2010-01-11 23:47:22 tbox Exp $ */
+/* $Id: util.h,v 1.32 2010-01-11 23:48:37 tbox Exp $ */
 
 #ifndef ISC_UTIL_H
 #define ISC_UTIL_H 1
diff --git a/lib/isc/inet_aton.c b/lib/isc/inet_aton.c
index 3c25ca3..9e35a36 100644
--- a/lib/isc/inet_aton.c
+++ b/lib/isc/inet_aton.c
@@ -1,5 +1,5 @@
 /*
- * Portions Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (C) 2004, 2005, 2007, 2008  Internet Systems Consortium, Inc. ("ISC")
  * Portions Copyright (C) 1996-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -71,7 +71,7 @@
 
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)inet_addr.c	8.1 (Berkeley) 6/17/93";
-static char rcsid[] = "$Id: inet_aton.c,v 1.21.332.2 2009-03-05 23:47:03 tbox Exp $";
+static char rcsid[] = "$Id: inet_aton.c,v 1.23 2008-12-01 23:47:45 tbox Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include 
diff --git a/lib/isc/inet_ntop.c b/lib/isc/inet_ntop.c
index 22930f3..581ebe8 100644
--- a/lib/isc/inet_ntop.c
+++ b/lib/isc/inet_ntop.c
@@ -19,7 +19,7 @@
 
 #if defined(LIBC_SCCS) && !defined(lint)
 static char rcsid[] =
-	"$Id: inet_ntop.c,v 1.19.332.2 2009-07-18 23:47:25 tbox Exp $";
+	"$Id: inet_ntop.c,v 1.21 2009-07-17 23:47:41 tbox Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include 
diff --git a/lib/isc/iterated_hash.c b/lib/isc/iterated_hash.c
index ebc5076..7185075 100644
--- a/lib/isc/iterated_hash.c
+++ b/lib/isc/iterated_hash.c
@@ -14,7 +14,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: iterated_hash.c,v 1.4.48.2 2009-02-18 23:47:12 tbox Exp $ */
+/* $Id: iterated_hash.c,v 1.6 2009-02-18 23:47:48 tbox Exp $ */
 
 #include "config.h"
 
diff --git a/lib/isc/lib.c b/lib/isc/lib.c
index 99b0178..1b6ccc0 100644
--- a/lib/isc/lib.c
+++ b/lib/isc/lib.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: lib.c,v 1.14 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: lib.c,v 1.16 2009-09-02 23:48:02 tbox Exp $ */
 
 /*! \file */
 
@@ -24,9 +24,15 @@
 #include 
 #include 
 
-#include 
-#include 
+#include 
 #include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
 
 /***
  *** Globals
@@ -41,7 +47,6 @@ LIBISC_EXTERNAL_DATA isc_msgcat_t *		isc_msgcat = NULL;
 
 static isc_once_t		msgcat_once = ISC_ONCE_INIT;
 
-
 /***
  *** Functions
  ***/
@@ -77,3 +82,22 @@ isc_lib_initmsgcat(void) {
 		abort();
 	}
 }
+
+#ifndef BIND9
+static isc_once_t		register_once = ISC_ONCE_INIT;
+
+static void
+do_register(void) {
+	RUNTIME_CHECK(isc__mem_register() == ISC_R_SUCCESS);
+	RUNTIME_CHECK(isc__app_register() == ISC_R_SUCCESS);
+	RUNTIME_CHECK(isc__task_register() == ISC_R_SUCCESS);
+	RUNTIME_CHECK(isc__socket_register() == ISC_R_SUCCESS);
+	RUNTIME_CHECK(isc__timer_register() == ISC_R_SUCCESS);
+}
+
+void
+isc_lib_register() {
+	RUNTIME_CHECK(isc_once_do(®ister_once, do_register)
+		      == ISC_R_SUCCESS);
+}
+#endif
diff --git a/lib/isc/log.c b/lib/isc/log.c
index 121bd25..7ef6692 100644
--- a/lib/isc/log.c
+++ b/lib/isc/log.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: log.c,v 1.94.332.5 2009-02-16 02:04:05 marka Exp $ */
+/* $Id: log.c,v 1.99 2009-02-16 02:01:16 marka Exp $ */
 
 /*! \file
  * \author  Principal Authors: DCL */
diff --git a/lib/isc/md5.c b/lib/isc/md5.c
index b9ec42c..b778177 100644
--- a/lib/isc/md5.c
+++ b/lib/isc/md5.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: md5.c,v 1.14 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: md5.c,v 1.16 2009-02-06 23:47:42 tbox Exp $ */
 
 /*! \file
  * This code implements the MD5 message-digest algorithm.
@@ -38,10 +38,35 @@
 
 #include 
 #include 
+#include 
 #include 
 #include 
 #include 
 
+#ifdef ISC_PLATFORM_OPENSSLHASH
+
+void
+isc_md5_init(isc_md5_t *ctx) {
+	EVP_DigestInit(ctx, EVP_md5());
+}
+
+void
+isc_md5_invalidate(isc_md5_t *ctx) {
+	EVP_MD_CTX_cleanup(ctx);
+}
+
+void
+isc_md5_update(isc_md5_t *ctx, const unsigned char *buf, unsigned int len) {
+	EVP_DigestUpdate(ctx, (const void *) buf, (size_t) len);
+}
+
+void
+isc_md5_final(isc_md5_t *ctx, unsigned char *digest) {
+	EVP_DigestFinal(ctx, digest, NULL);
+}
+
+#else
+
 static void
 byteSwap(isc_uint32_t *buf, unsigned words)
 {
@@ -249,3 +274,4 @@ isc_md5_final(isc_md5_t *ctx, unsigned char *digest) {
 	memcpy(digest, ctx->buf, 16);
 	memset(ctx, 0, sizeof(isc_md5_t));	/* In case it's sensitive */
 }
+#endif
diff --git a/lib/isc/mem.c b/lib/isc/mem.c
index aeacfc0..8311569 100644
--- a/lib/isc/mem.c
+++ b/lib/isc/mem.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: mem.c,v 1.145.120.9 2010-08-11 23:45:49 tbox Exp $ */
+/* $Id: mem.c,v 1.160 2010-12-08 02:46:16 marka Exp $ */
 
 /*! \file */
 
@@ -60,6 +60,9 @@ LIBISC_EXTERNAL_DATA unsigned int isc_mem_debugging = ISC_MEM_DEBUGGING;
 /*
  * Types.
  */
+typedef struct isc__mem isc__mem_t;
+typedef struct isc__mempool isc__mempool_t;
+
 #if ISC_MEM_TRACKLINES
 typedef struct debuglink debuglink_t;
 struct debuglink {
@@ -89,7 +92,7 @@ typedef struct {
 	 */
 	union {
 		size_t		size;
-		isc_mem_t	*ctx;
+		isc__mem_t	*ctx;
 		char		bytes[ALIGNMENT_SIZE];
 	} u;
 } size_info;
@@ -110,7 +113,7 @@ typedef ISC_LIST(debuglink_t)	debuglist_t;
 
 /* List of all active memory contexts. */
 
-static ISC_LIST(isc_mem_t)	contexts;
+static ISC_LIST(isc__mem_t)	contexts;
 static isc_once_t		once = ISC_ONCE_INIT;
 static isc_mutex_t		lock;
 
@@ -120,8 +123,8 @@ static isc_mutex_t		lock;
  */
 static isc_uint64_t		totallost;
 
-struct isc_mem {
-	unsigned int		magic;
+struct isc__mem {
+	isc_mem_t		common;
 	isc_ondestroy_t		ondestroy;
 	unsigned int		flags;
 	isc_mutex_t		lock;
@@ -144,7 +147,7 @@ struct isc_mem {
 	isc_boolean_t		is_overmem;
 	isc_mem_water_t		water;
 	void *			water_arg;
-	ISC_LIST(isc_mempool_t)	pools;
+	ISC_LIST(isc__mempool_t) pools;
 	unsigned int		poolcnt;
 
 	/*  ISC_MEMFLAG_INTERNAL */
@@ -163,19 +166,19 @@ struct isc_mem {
 #endif
 
 	unsigned int		memalloc_failures;
-	ISC_LINK(isc_mem_t)	link;
+	ISC_LINK(isc__mem_t)	link;
 };
 
 #define MEMPOOL_MAGIC		ISC_MAGIC('M', 'E', 'M', 'p')
 #define VALID_MEMPOOL(c)	ISC_MAGIC_VALID(c, MEMPOOL_MAGIC)
 
-struct isc_mempool {
+struct isc__mempool {
 	/* always unlocked */
-	unsigned int	magic;		/*%< magic number */
+	isc_mempool_t	common;		/*%< common header of mempool's */
 	isc_mutex_t    *lock;		/*%< optional lock */
-	isc_mem_t      *mctx;		/*%< our memory context */
+	isc__mem_t      *mctx;		/*%< our memory context */
 	/*%< locked via the memory context's lock */
-	ISC_LINK(isc_mempool_t)	link;	/*%< next pool in this mem context */
+	ISC_LINK(isc__mempool_t)	link;	/*%< next pool in this mem context */
 	/*%< optionally locked from here down */
 	element	       *items;		/*%< low water item list */
 	size_t		size;		/*%< size of each item on this pool */
@@ -210,13 +213,187 @@ struct isc_mempool {
 #define DELETE_TRACE(a, b, c, d, e)	delete_trace_entry(a, b, c, d, e)
 
 static void
-print_active(isc_mem_t *ctx, FILE *out);
+print_active(isc__mem_t *ctx, FILE *out);
+
+/*%
+ * The following can be either static or public, depending on build environment.
+ */
+
+#ifdef BIND9
+#define ISC_MEMFUNC_SCOPE
+#else
+#define ISC_MEMFUNC_SCOPE static
+#endif
+
+ISC_MEMFUNC_SCOPE isc_result_t
+isc__mem_createx(size_t init_max_size, size_t target_size,
+		 isc_memalloc_t memalloc, isc_memfree_t memfree, void *arg,
+		 isc_mem_t **ctxp);
+ISC_MEMFUNC_SCOPE isc_result_t
+isc__mem_createx2(size_t init_max_size, size_t target_size,
+		  isc_memalloc_t memalloc, isc_memfree_t memfree, void *arg,
+		  isc_mem_t **ctxp, unsigned int flags);
+ISC_MEMFUNC_SCOPE isc_result_t
+isc__mem_create(size_t init_max_size, size_t target_size, isc_mem_t **ctxp);
+ISC_MEMFUNC_SCOPE isc_result_t
+isc__mem_create2(size_t init_max_size, size_t target_size,
+		 isc_mem_t **ctxp, unsigned int flags);
+ISC_MEMFUNC_SCOPE void
+isc__mem_attach(isc_mem_t *source, isc_mem_t **targetp);
+ISC_MEMFUNC_SCOPE void
+isc__mem_detach(isc_mem_t **ctxp);
+ISC_MEMFUNC_SCOPE void
+isc___mem_putanddetach(isc_mem_t **ctxp, void *ptr, size_t size FLARG);
+ISC_MEMFUNC_SCOPE void
+isc__mem_destroy(isc_mem_t **ctxp);
+ISC_MEMFUNC_SCOPE isc_result_t
+isc__mem_ondestroy(isc_mem_t *ctx, isc_task_t *task, isc_event_t **event);
+ISC_MEMFUNC_SCOPE void *
+isc___mem_get(isc_mem_t *ctx, size_t size FLARG);
+ISC_MEMFUNC_SCOPE void
+isc___mem_put(isc_mem_t *ctx, void *ptr, size_t size FLARG);
+ISC_MEMFUNC_SCOPE void
+isc__mem_stats(isc_mem_t *ctx, FILE *out);
+ISC_MEMFUNC_SCOPE void *
+isc___mem_allocate(isc_mem_t *ctx, size_t size FLARG);
+ISC_MEMFUNC_SCOPE void *
+isc___mem_reallocate(isc_mem_t *ctx, void *ptr, size_t size FLARG);
+ISC_MEMFUNC_SCOPE void
+isc___mem_free(isc_mem_t *ctx, void *ptr FLARG);
+ISC_MEMFUNC_SCOPE char *
+isc___mem_strdup(isc_mem_t *mctx, const char *s FLARG);
+ISC_MEMFUNC_SCOPE void
+isc__mem_setdestroycheck(isc_mem_t *ctx, isc_boolean_t flag);
+ISC_MEMFUNC_SCOPE void
+isc__mem_setquota(isc_mem_t *ctx, size_t quota);
+ISC_MEMFUNC_SCOPE size_t
+isc__mem_getquota(isc_mem_t *ctx);
+ISC_MEMFUNC_SCOPE size_t
+isc__mem_inuse(isc_mem_t *ctx);
+ISC_MEMFUNC_SCOPE isc_boolean_t
+isc__mem_isovermem(isc_mem_t *ctx);
+ISC_MEMFUNC_SCOPE void
+isc__mem_setwater(isc_mem_t *ctx, isc_mem_water_t water, void *water_arg,
+		  size_t hiwater, size_t lowater);
+ISC_MEMFUNC_SCOPE void
+isc__mem_waterack(isc_mem_t *ctx0, int flag);
+ISC_MEMFUNC_SCOPE void
+isc__mem_setname(isc_mem_t *ctx, const char *name, void *tag);
+ISC_MEMFUNC_SCOPE const char *
+isc__mem_getname(isc_mem_t *ctx);
+ISC_MEMFUNC_SCOPE void *
+isc__mem_gettag(isc_mem_t *ctx);
+ISC_MEMFUNC_SCOPE isc_result_t
+isc__mempool_create(isc_mem_t *mctx, size_t size, isc_mempool_t **mpctxp);
+ISC_MEMFUNC_SCOPE void
+isc__mempool_setname(isc_mempool_t *mpctx, const char *name);
+ISC_MEMFUNC_SCOPE void
+isc__mempool_destroy(isc_mempool_t **mpctxp);
+ISC_MEMFUNC_SCOPE void
+isc__mempool_associatelock(isc_mempool_t *mpctx, isc_mutex_t *lock);
+ISC_MEMFUNC_SCOPE void *
+isc___mempool_get(isc_mempool_t *mpctx FLARG);
+ISC_MEMFUNC_SCOPE void
+isc___mempool_put(isc_mempool_t *mpctx, void *mem FLARG);
+ISC_MEMFUNC_SCOPE void
+isc__mempool_setfreemax(isc_mempool_t *mpctx, unsigned int limit);
+ISC_MEMFUNC_SCOPE unsigned int
+isc__mempool_getfreemax(isc_mempool_t *mpctx);
+ISC_MEMFUNC_SCOPE unsigned int
+isc__mempool_getfreecount(isc_mempool_t *mpctx);
+ISC_MEMFUNC_SCOPE void
+isc__mempool_setmaxalloc(isc_mempool_t *mpctx, unsigned int limit);
+ISC_MEMFUNC_SCOPE unsigned int
+isc__mempool_getmaxalloc(isc_mempool_t *mpctx);
+ISC_MEMFUNC_SCOPE unsigned int
+isc__mempool_getallocated(isc_mempool_t *mpctx);
+ISC_MEMFUNC_SCOPE void
+isc__mempool_setfillcount(isc_mempool_t *mpctx, unsigned int limit);
+ISC_MEMFUNC_SCOPE unsigned int
+isc__mempool_getfillcount(isc_mempool_t *mpctx);
+#ifdef BIND9
+ISC_MEMFUNC_SCOPE void
+isc__mem_printactive(isc_mem_t *ctx0, FILE *file);
+ISC_MEMFUNC_SCOPE void
+isc__mem_printallactive(FILE *file);
+ISC_MEMFUNC_SCOPE void
+isc__mem_checkdestroyed(FILE *file);
+ISC_MEMFUNC_SCOPE unsigned int
+isc__mem_references(isc_mem_t *ctx0);
+#endif
+
+static struct isc__memmethods {
+	isc_memmethods_t methods;
+
+	/*%
+	 * The following are defined just for avoiding unused static functions.
+	 */
+#ifndef BIND9
+	void *createx, *create, *create2, *ondestroy, *stats,
+		*setquota, *getquota, *setname, *getname, *gettag;
+#endif
+} memmethods = {
+	{
+		isc__mem_attach,
+		isc__mem_detach,
+		isc__mem_destroy,
+		isc___mem_get,
+		isc___mem_put,
+		isc___mem_putanddetach,
+		isc___mem_allocate,
+		isc___mem_reallocate,
+		isc___mem_strdup,
+		isc___mem_free,
+		isc__mem_setdestroycheck,
+		isc__mem_setwater,
+		isc__mem_waterack,
+		isc__mem_inuse,
+		isc__mem_isovermem,
+		isc__mempool_create
+	}
+#ifndef BIND9
+	,
+	(void *)isc__mem_createx, (void *)isc__mem_create,
+	(void *)isc__mem_create2, (void *)isc__mem_ondestroy,
+	(void *)isc__mem_stats, (void *)isc__mem_setquota,
+	(void *)isc__mem_getquota, (void *)isc__mem_setname,
+	(void *)isc__mem_getname, (void *)isc__mem_gettag
+#endif
+};
+
+static struct isc__mempoolmethods {
+	isc_mempoolmethods_t methods;
+
+	/*%
+	 * The following are defined just for avoiding unused static functions.
+	 */
+#ifndef BIND9
+	void *getfreemax, *getfreecount, *getmaxalloc, *getfillcount;
+#endif
+} mempoolmethods = {
+	{
+		isc__mempool_destroy,
+		isc___mempool_get,
+		isc___mempool_put,
+		isc__mempool_getallocated,
+		isc__mempool_setmaxalloc,
+		isc__mempool_setfreemax,
+		isc__mempool_setname,
+		isc__mempool_associatelock,
+		isc__mempool_setfillcount
+	}
+#ifndef BIND9
+	,
+	(void *)isc__mempool_getfreemax, (void *)isc__mempool_getfreecount,
+	(void *)isc__mempool_getmaxalloc, (void *)isc__mempool_getfillcount
+#endif
+};
 
 /*!
  * mctx must be locked.
  */
 static inline void
-add_trace_entry(isc_mem_t *mctx, const void *ptr, unsigned int size
+add_trace_entry(isc__mem_t *mctx, const void *ptr, unsigned int size
 		FLARG)
 {
 	debuglink_t *dl;
@@ -276,7 +453,7 @@ add_trace_entry(isc_mem_t *mctx, const void *ptr, unsigned int size
 }
 
 static inline void
-delete_trace_entry(isc_mem_t *mctx, const void *ptr, unsigned int size,
+delete_trace_entry(isc__mem_t *mctx, const void *ptr, unsigned int size,
 		   const char *file, unsigned int line)
 {
 	debuglink_t *dl;
@@ -347,7 +524,7 @@ quantize(size_t size) {
 }
 
 static inline isc_boolean_t
-more_basic_blocks(isc_mem_t *ctx) {
+more_basic_blocks(isc__mem_t *ctx) {
 	void *new;
 	unsigned char *curr, *next;
 	unsigned char *first, *last;
@@ -417,7 +594,7 @@ more_basic_blocks(isc_mem_t *ctx) {
 }
 
 static inline isc_boolean_t
-more_frags(isc_mem_t *ctx, size_t new_size) {
+more_frags(isc__mem_t *ctx, size_t new_size) {
 	int i, frags;
 	size_t total_size;
 	void *new;
@@ -479,7 +656,7 @@ more_frags(isc_mem_t *ctx, size_t new_size) {
 }
 
 static inline void *
-mem_getunlocked(isc_mem_t *ctx, size_t size) {
+mem_getunlocked(isc__mem_t *ctx, size_t size) {
 	size_t new_size = quantize(size);
 	void *ret;
 
@@ -560,7 +737,7 @@ check_overrun(void *mem, size_t size, size_t new_size) {
 #endif
 
 static inline void
-mem_putunlocked(isc_mem_t *ctx, void *mem, size_t size) {
+mem_putunlocked(isc__mem_t *ctx, void *mem, size_t size) {
 	size_t new_size = quantize(size);
 
 	if (size == ctx->max_size || new_size >= ctx->max_size) {
@@ -608,7 +785,7 @@ mem_putunlocked(isc_mem_t *ctx, void *mem, size_t size) {
  * Perform a malloc, doing memory filling and overrun detection as necessary.
  */
 static inline void *
-mem_get(isc_mem_t *ctx, size_t size) {
+mem_get(isc__mem_t *ctx, size_t size) {
 	char *ret;
 
 #if ISC_MEM_CHECKOVERRUN
@@ -636,7 +813,7 @@ mem_get(isc_mem_t *ctx, size_t size) {
  * Perform a free, doing memory filling and overrun detection as necessary.
  */
 static inline void
-mem_put(isc_mem_t *ctx, void *mem, size_t size) {
+mem_put(isc__mem_t *ctx, void *mem, size_t size) {
 #if ISC_MEM_CHECKOVERRUN
 	INSIST(((unsigned char *)mem)[size] == 0xbe);
 #endif
@@ -652,7 +829,7 @@ mem_put(isc_mem_t *ctx, void *mem, size_t size) {
  * Update internal counters after a memory get.
  */
 static inline void
-mem_getstats(isc_mem_t *ctx, size_t size) {
+mem_getstats(isc__mem_t *ctx, size_t size) {
 	ctx->total += size;
 	ctx->inuse += size;
 
@@ -669,7 +846,7 @@ mem_getstats(isc_mem_t *ctx, size_t size) {
  * Update internal counters after a memory put.
  */
 static inline void
-mem_putstats(isc_mem_t *ctx, void *ptr, size_t size) {
+mem_putstats(isc__mem_t *ctx, void *ptr, size_t size) {
 	UNUSED(ptr);
 
 	INSIST(ctx->inuse >= size);
@@ -713,22 +890,22 @@ initialize_action(void) {
  * Public.
  */
 
-isc_result_t
-isc_mem_createx(size_t init_max_size, size_t target_size,
-		isc_memalloc_t memalloc, isc_memfree_t memfree, void *arg,
-		isc_mem_t **ctxp)
+ISC_MEMFUNC_SCOPE isc_result_t
+isc__mem_createx(size_t init_max_size, size_t target_size,
+		 isc_memalloc_t memalloc, isc_memfree_t memfree, void *arg,
+		 isc_mem_t **ctxp)
 {
-	return (isc_mem_createx2(init_max_size, target_size, memalloc, memfree,
-				 arg, ctxp, ISC_MEMFLAG_DEFAULT));
+	return (isc__mem_createx2(init_max_size, target_size, memalloc, memfree,
+				  arg, ctxp, ISC_MEMFLAG_DEFAULT));
 
 }
 
-isc_result_t
-isc_mem_createx2(size_t init_max_size, size_t target_size,
-		 isc_memalloc_t memalloc, isc_memfree_t memfree, void *arg,
-		 isc_mem_t **ctxp, unsigned int flags)
+ISC_MEMFUNC_SCOPE isc_result_t
+isc__mem_createx2(size_t init_max_size, size_t target_size,
+		  isc_memalloc_t memalloc, isc_memfree_t memfree, void *arg,
+		  isc_mem_t **ctxp, unsigned int flags)
 {
-	isc_mem_t *ctx;
+	isc__mem_t *ctx;
 	isc_result_t result;
 
 	REQUIRE(ctxp != NULL && *ctxp == NULL);
@@ -769,7 +946,9 @@ isc_mem_createx2(size_t init_max_size, size_t target_size,
 	ctx->is_overmem = ISC_FALSE;
 	ctx->water = NULL;
 	ctx->water_arg = NULL;
-	ctx->magic = MEM_MAGIC;
+	ctx->common.impmagic = MEM_MAGIC;
+	ctx->common.magic = ISCAPI_MCTX_MAGIC;
+	ctx->common.methods = (isc_memmethods_t *)&memmethods;
 	isc_ondestroy_init(&ctx->ondestroy);
 	ctx->memalloc = memalloc;
 	ctx->memfree = memfree;
@@ -834,7 +1013,7 @@ isc_mem_createx2(size_t init_max_size, size_t target_size,
 	ISC_LIST_INITANDAPPEND(contexts, ctx, link);
 	UNLOCK(&lock);
 
-	*ctxp = ctx;
+	*ctxp = (isc_mem_t *)ctx;
 	return (ISC_R_SUCCESS);
 
   error:
@@ -855,26 +1034,24 @@ isc_mem_createx2(size_t init_max_size, size_t target_size,
 	return (result);
 }
 
-isc_result_t
-isc_mem_create(size_t init_max_size, size_t target_size,
-	       isc_mem_t **ctxp)
-{
-	return (isc_mem_createx2(init_max_size, target_size,
-				 default_memalloc, default_memfree, NULL,
-				 ctxp, ISC_MEMFLAG_DEFAULT));
+ISC_MEMFUNC_SCOPE isc_result_t
+isc__mem_create(size_t init_max_size, size_t target_size, isc_mem_t **ctxp) {
+	return (isc__mem_createx2(init_max_size, target_size,
+				  default_memalloc, default_memfree, NULL,
+				  ctxp, ISC_MEMFLAG_DEFAULT));
 }
 
-isc_result_t
-isc_mem_create2(size_t init_max_size, size_t target_size,
-		isc_mem_t **ctxp, unsigned int flags)
+ISC_MEMFUNC_SCOPE isc_result_t
+isc__mem_create2(size_t init_max_size, size_t target_size,
+		 isc_mem_t **ctxp, unsigned int flags)
 {
-	return (isc_mem_createx2(init_max_size, target_size,
-				 default_memalloc, default_memfree, NULL,
-				 ctxp, flags));
+	return (isc__mem_createx2(init_max_size, target_size,
+				  default_memalloc, default_memfree, NULL,
+				  ctxp, flags));
 }
 
 static void
-destroy(isc_mem_t *ctx) {
+destroy(isc__mem_t *ctx) {
 	unsigned int i;
 	isc_ondestroy_t ondest;
 
@@ -883,7 +1060,8 @@ destroy(isc_mem_t *ctx) {
 	totallost += ctx->inuse;
 	UNLOCK(&lock);
 
-	ctx->magic = 0;
+	ctx->common.impmagic = 0;
+	ctx->common.magic = 0;
 
 	INSIST(ISC_LIST_EMPTY(ctx->pools));
 
@@ -941,8 +1119,10 @@ destroy(isc_mem_t *ctx) {
 	isc_ondestroy_notify(&ondest, ctx);
 }
 
-void
-isc_mem_attach(isc_mem_t *source, isc_mem_t **targetp) {
+ISC_MEMFUNC_SCOPE void
+isc__mem_attach(isc_mem_t *source0, isc_mem_t **targetp) {
+	isc__mem_t *source = (isc__mem_t *)source0;
+
 	REQUIRE(VALID_CONTEXT(source));
 	REQUIRE(targetp != NULL && *targetp == NULL);
 
@@ -950,16 +1130,16 @@ isc_mem_attach(isc_mem_t *source, isc_mem_t **targetp) {
 	source->references++;
 	MCTXUNLOCK(source, &source->lock);
 
-	*targetp = source;
+	*targetp = (isc_mem_t *)source;
 }
 
-void
-isc_mem_detach(isc_mem_t **ctxp) {
-	isc_mem_t *ctx;
+ISC_MEMFUNC_SCOPE void
+isc__mem_detach(isc_mem_t **ctxp) {
+	isc__mem_t *ctx;
 	isc_boolean_t want_destroy = ISC_FALSE;
 
 	REQUIRE(ctxp != NULL);
-	ctx = *ctxp;
+	ctx = (isc__mem_t *)*ctxp;
 	REQUIRE(VALID_CONTEXT(ctx));
 
 	MCTXLOCK(ctx, &ctx->lock);
@@ -985,15 +1165,15 @@ isc_mem_detach(isc_mem_t **ctxp) {
  * isc_mem_detach(&mctx);
  */
 
-void
-isc__mem_putanddetach(isc_mem_t **ctxp, void *ptr, size_t size FLARG) {
-	isc_mem_t *ctx;
+ISC_MEMFUNC_SCOPE void
+isc___mem_putanddetach(isc_mem_t **ctxp, void *ptr, size_t size FLARG) {
+	isc__mem_t *ctx;
 	isc_boolean_t want_destroy = ISC_FALSE;
 	size_info *si;
 	size_t oldsize;
 
 	REQUIRE(ctxp != NULL);
-	ctx = *ctxp;
+	ctx = (isc__mem_t *)*ctxp;
 	REQUIRE(VALID_CONTEXT(ctx));
 	REQUIRE(ptr != NULL);
 
@@ -1011,7 +1191,7 @@ isc__mem_putanddetach(isc_mem_t **ctxp, void *ptr, size_t size FLARG) {
 				oldsize -= ALIGNMENT_SIZE;
 			INSIST(oldsize == size);
 		}
-		isc__mem_free(ctx, ptr FLARG_PASS);
+		isc_mem_free((isc_mem_t *)ctx, ptr);
 
 		MCTXLOCK(ctx, &ctx->lock);
 		ctx->references--;
@@ -1045,9 +1225,9 @@ isc__mem_putanddetach(isc_mem_t **ctxp, void *ptr, size_t size FLARG) {
 		destroy(ctx);
 }
 
-void
-isc_mem_destroy(isc_mem_t **ctxp) {
-	isc_mem_t *ctx;
+ISC_MEMFUNC_SCOPE void
+isc__mem_destroy(isc_mem_t **ctxp) {
+	isc__mem_t *ctx;
 
 	/*
 	 * This routine provides legacy support for callers who use mctxs
@@ -1055,7 +1235,7 @@ isc_mem_destroy(isc_mem_t **ctxp) {
 	 */
 
 	REQUIRE(ctxp != NULL);
-	ctx = *ctxp;
+	ctx = (isc__mem_t *)*ctxp;
 	REQUIRE(VALID_CONTEXT(ctx));
 
 	MCTXLOCK(ctx, &ctx->lock);
@@ -1072,8 +1252,9 @@ isc_mem_destroy(isc_mem_t **ctxp) {
 	*ctxp = NULL;
 }
 
-isc_result_t
-isc_mem_ondestroy(isc_mem_t *ctx, isc_task_t *task, isc_event_t **event) {
+ISC_MEMFUNC_SCOPE isc_result_t
+isc__mem_ondestroy(isc_mem_t *ctx0, isc_task_t *task, isc_event_t **event) {
+	isc__mem_t *ctx = (isc__mem_t *)ctx0;
 	isc_result_t res;
 
 	MCTXLOCK(ctx, &ctx->lock);
@@ -1083,16 +1264,16 @@ isc_mem_ondestroy(isc_mem_t *ctx, isc_task_t *task, isc_event_t **event) {
 	return (res);
 }
 
-
-void *
-isc__mem_get(isc_mem_t *ctx, size_t size FLARG) {
+ISC_MEMFUNC_SCOPE void *
+isc___mem_get(isc_mem_t *ctx0, size_t size FLARG) {
+	isc__mem_t *ctx = (isc__mem_t *)ctx0;
 	void *ptr;
 	isc_boolean_t call_water = ISC_FALSE;
 
 	REQUIRE(VALID_CONTEXT(ctx));
 
 	if ((isc_mem_debugging & (ISC_MEM_DEBUGSIZE|ISC_MEM_DEBUGCTX)) != 0)
-		return (isc__mem_allocate(ctx, size FLARG_PASS));
+		return (isc__mem_allocate(ctx0, size FLARG_PASS));
 
 	if ((ctx->flags & ISC_MEMFLAG_INTERNAL) != 0) {
 		MCTXLOCK(ctx, &ctx->lock);
@@ -1128,9 +1309,9 @@ isc__mem_get(isc_mem_t *ctx, size_t size FLARG) {
 	return (ptr);
 }
 
-void
-isc__mem_put(isc_mem_t *ctx, void *ptr, size_t size FLARG)
-{
+ISC_MEMFUNC_SCOPE void
+isc___mem_put(isc_mem_t *ctx0, void *ptr, size_t size FLARG) {
+	isc__mem_t *ctx = (isc__mem_t *)ctx0;
 	isc_boolean_t call_water = ISC_FALSE;
 	size_info *si;
 	size_t oldsize;
@@ -1146,7 +1327,7 @@ isc__mem_put(isc_mem_t *ctx, void *ptr, size_t size FLARG)
 				oldsize -= ALIGNMENT_SIZE;
 			INSIST(oldsize == size);
 		}
-		isc__mem_free(ctx, ptr FLARG_PASS);
+		isc_mem_free((isc_mem_t *)ctx, ptr);
 		return;
 	}
 
@@ -1181,8 +1362,10 @@ isc__mem_put(isc_mem_t *ctx, void *ptr, size_t size FLARG)
 		(ctx->water)(ctx->water_arg, ISC_MEM_LOWATER);
 }
 
-void
-isc_mem_waterack(isc_mem_t *ctx, int flag) {
+ISC_MEMFUNC_SCOPE void
+isc__mem_waterack(isc_mem_t *ctx0, int flag) {
+	isc__mem_t *ctx = (isc__mem_t *)ctx0;
+
 	REQUIRE(VALID_CONTEXT(ctx));
 
 	MCTXLOCK(ctx, &ctx->lock);
@@ -1195,7 +1378,7 @@ isc_mem_waterack(isc_mem_t *ctx, int flag) {
 
 #if ISC_MEM_TRACKLINES
 static void
-print_active(isc_mem_t *mctx, FILE *out) {
+print_active(isc__mem_t *mctx, FILE *out) {
 	if (mctx->debuglist != NULL) {
 		debuglink_t *dl;
 		unsigned int i, j;
@@ -1237,11 +1420,12 @@ print_active(isc_mem_t *mctx, FILE *out) {
 /*
  * Print the stats[] on the stream "out" with suitable formatting.
  */
-void
-isc_mem_stats(isc_mem_t *ctx, FILE *out) {
+ISC_MEMFUNC_SCOPE void
+isc__mem_stats(isc_mem_t *ctx0, FILE *out) {
+	isc__mem_t *ctx = (isc__mem_t *)ctx0;
 	size_t i;
 	const struct stats *s;
-	const isc_mempool_t *pool;
+	const isc__mempool_t *pool;
 
 	REQUIRE(VALID_CONTEXT(ctx));
 	MCTXLOCK(ctx, &ctx->lock);
@@ -1314,7 +1498,8 @@ isc_mem_stats(isc_mem_t *ctx, FILE *out) {
  */
 
 static void *
-isc__mem_allocateunlocked(isc_mem_t *ctx, size_t size) {
+isc__mem_allocateunlocked(isc_mem_t *ctx0, size_t size) {
+	isc__mem_t *ctx = (isc__mem_t *)ctx0;
 	size_info *si;
 
 	size += ALIGNMENT_SIZE;
@@ -1336,8 +1521,9 @@ isc__mem_allocateunlocked(isc_mem_t *ctx, size_t size) {
 	return (&si[1]);
 }
 
-void *
-isc__mem_allocate(isc_mem_t *ctx, size_t size FLARG) {
+ISC_MEMFUNC_SCOPE void *
+isc___mem_allocate(isc_mem_t *ctx0, size_t size FLARG) {
+	isc__mem_t *ctx = (isc__mem_t *)ctx0;
 	size_info *si;
 	isc_boolean_t call_water = ISC_FALSE;
 
@@ -1345,9 +1531,9 @@ isc__mem_allocate(isc_mem_t *ctx, size_t size FLARG) {
 
 	if ((ctx->flags & ISC_MEMFLAG_INTERNAL) != 0) {
 		MCTXLOCK(ctx, &ctx->lock);
-		si = isc__mem_allocateunlocked(ctx, size);
+		si = isc__mem_allocateunlocked((isc_mem_t *)ctx, size);
 	} else {
-		si = isc__mem_allocateunlocked(ctx, size);
+		si = isc__mem_allocateunlocked((isc_mem_t *)ctx, size);
 		MCTXLOCK(ctx, &ctx->lock);
 		if (si != NULL)
 			mem_getstats(ctx, si[-1].u.size);
@@ -1381,8 +1567,9 @@ isc__mem_allocate(isc_mem_t *ctx, size_t size FLARG) {
 	return (si);
 }
 
-void *
-isc__mem_reallocate(isc_mem_t *ctx, void *ptr, size_t size FLARG) {
+ISC_MEMFUNC_SCOPE void *
+isc___mem_reallocate(isc_mem_t *ctx0, void *ptr, size_t size FLARG) {
+	isc__mem_t *ctx = (isc__mem_t *)ctx0;
 	void *new_ptr = NULL;
 	size_t oldsize, copysize;
 
@@ -1400,23 +1587,24 @@ isc__mem_reallocate(isc_mem_t *ctx, void *ptr, size_t size FLARG) {
 	 *     NULL if allocation fails or doesn't happen.
 	 */
 	if (size > 0U) {
-		new_ptr = isc__mem_allocate(ctx, size FLARG_PASS);
+		new_ptr = isc__mem_allocate(ctx0, size FLARG_PASS);
 		if (new_ptr != NULL && ptr != NULL) {
 			oldsize = (((size_info *)ptr)[-1]).u.size;
 			INSIST(oldsize >= ALIGNMENT_SIZE);
 			oldsize -= ALIGNMENT_SIZE;
 			copysize = oldsize > size ? size : oldsize;
 			memcpy(new_ptr, ptr, copysize);
-			isc__mem_free(ctx, ptr FLARG_PASS);
+			isc__mem_free(ctx0, ptr FLARG_PASS);
 		}
 	} else if (ptr != NULL)
-		isc__mem_free(ctx, ptr FLARG_PASS);
+		isc__mem_free(ctx0, ptr FLARG_PASS);
 
 	return (new_ptr);
 }
 
-void
-isc__mem_free(isc_mem_t *ctx, void *ptr FLARG) {
+ISC_MEMFUNC_SCOPE void
+isc___mem_free(isc_mem_t *ctx0, void *ptr FLARG) {
+	isc__mem_t *ctx = (isc__mem_t *)ctx0;
 	size_info *si;
 	size_t size;
 	isc_boolean_t call_water= ISC_FALSE;
@@ -1472,8 +1660,9 @@ isc__mem_free(isc_mem_t *ctx, void *ptr FLARG) {
  * Other useful things.
  */
 
-char *
-isc__mem_strdup(isc_mem_t *mctx, const char *s FLARG) {
+ISC_MEMFUNC_SCOPE char *
+isc___mem_strdup(isc_mem_t *mctx0, const char *s FLARG) {
+	isc__mem_t *mctx = (isc__mem_t *)mctx0;
 	size_t len;
 	char *ns;
 
@@ -1482,7 +1671,7 @@ isc__mem_strdup(isc_mem_t *mctx, const char *s FLARG) {
 
 	len = strlen(s);
 
-	ns = isc__mem_allocate(mctx, len + 1 FLARG_PASS);
+	ns = isc___mem_allocate((isc_mem_t *)mctx, len + 1 FLARG_PASS);
 
 	if (ns != NULL)
 		strncpy(ns, s, len + 1);
@@ -1490,8 +1679,10 @@ isc__mem_strdup(isc_mem_t *mctx, const char *s FLARG) {
 	return (ns);
 }
 
-void
-isc_mem_setdestroycheck(isc_mem_t *ctx, isc_boolean_t flag) {
+ISC_MEMFUNC_SCOPE void
+isc__mem_setdestroycheck(isc_mem_t *ctx0, isc_boolean_t flag) {
+	isc__mem_t *ctx = (isc__mem_t *)ctx0;
+
 	REQUIRE(VALID_CONTEXT(ctx));
 	MCTXLOCK(ctx, &ctx->lock);
 
@@ -1504,8 +1695,10 @@ isc_mem_setdestroycheck(isc_mem_t *ctx, isc_boolean_t flag) {
  * Quotas
  */
 
-void
-isc_mem_setquota(isc_mem_t *ctx, size_t quota) {
+ISC_MEMFUNC_SCOPE void
+isc__mem_setquota(isc_mem_t *ctx0, size_t quota) {
+	isc__mem_t *ctx = (isc__mem_t *)ctx0;
+
 	REQUIRE(VALID_CONTEXT(ctx));
 	MCTXLOCK(ctx, &ctx->lock);
 
@@ -1514,8 +1707,9 @@ isc_mem_setquota(isc_mem_t *ctx, size_t quota) {
 	MCTXUNLOCK(ctx, &ctx->lock);
 }
 
-size_t
-isc_mem_getquota(isc_mem_t *ctx) {
+ISC_MEMFUNC_SCOPE size_t
+isc__mem_getquota(isc_mem_t *ctx0) {
+	isc__mem_t *ctx = (isc__mem_t *)ctx0;
 	size_t quota;
 
 	REQUIRE(VALID_CONTEXT(ctx));
@@ -1528,8 +1722,9 @@ isc_mem_getquota(isc_mem_t *ctx) {
 	return (quota);
 }
 
-size_t
-isc_mem_inuse(isc_mem_t *ctx) {
+ISC_MEMFUNC_SCOPE size_t
+isc__mem_inuse(isc_mem_t *ctx0) {
+	isc__mem_t *ctx = (isc__mem_t *)ctx0;
 	size_t inuse;
 
 	REQUIRE(VALID_CONTEXT(ctx));
@@ -1542,10 +1737,11 @@ isc_mem_inuse(isc_mem_t *ctx) {
 	return (inuse);
 }
 
-void
-isc_mem_setwater(isc_mem_t *ctx, isc_mem_water_t water, void *water_arg,
+ISC_MEMFUNC_SCOPE void
+isc__mem_setwater(isc_mem_t *ctx0, isc_mem_water_t water, void *water_arg,
 		 size_t hiwater, size_t lowater)
 {
+	isc__mem_t *ctx = (isc__mem_t *)ctx0;
 	isc_boolean_t callwater = ISC_FALSE;
 	isc_mem_water_t oldwater;
 	void *oldwater_arg;
@@ -1580,8 +1776,10 @@ isc_mem_setwater(isc_mem_t *ctx, isc_mem_water_t water, void *water_arg,
 		(oldwater)(oldwater_arg, ISC_MEM_LOWATER);
 }
 
-isc_boolean_t
-isc_mem_isovermem(isc_mem_t *ctx) {
+ISC_MEMFUNC_SCOPE isc_boolean_t
+isc__mem_isovermem(isc_mem_t *ctx0) {
+	isc__mem_t *ctx = (isc__mem_t *)ctx0;
+
 	REQUIRE(VALID_CONTEXT(ctx));
 
 	/*
@@ -1592,8 +1790,10 @@ isc_mem_isovermem(isc_mem_t *ctx) {
 	return (ctx->is_overmem);
 }
 
-void
-isc_mem_setname(isc_mem_t *ctx, const char *name, void *tag) {
+ISC_MEMFUNC_SCOPE void
+isc__mem_setname(isc_mem_t *ctx0, const char *name, void *tag) {
+	isc__mem_t *ctx = (isc__mem_t *)ctx0;
+
 	REQUIRE(VALID_CONTEXT(ctx));
 
 	LOCK(&ctx->lock);
@@ -1603,15 +1803,19 @@ isc_mem_setname(isc_mem_t *ctx, const char *name, void *tag) {
 	UNLOCK(&ctx->lock);
 }
 
-const char *
-isc_mem_getname(isc_mem_t *ctx) {
+ISC_MEMFUNC_SCOPE const char *
+isc__mem_getname(isc_mem_t *ctx0) {
+	isc__mem_t *ctx = (isc__mem_t *)ctx0;
+
 	REQUIRE(VALID_CONTEXT(ctx));
 
 	return (ctx->name);
 }
 
-void *
-isc_mem_gettag(isc_mem_t *ctx) {
+ISC_MEMFUNC_SCOPE void *
+isc__mem_gettag(isc_mem_t *ctx0) {
+	isc__mem_t *ctx = (isc__mem_t *)ctx0;
+
 	REQUIRE(VALID_CONTEXT(ctx));
 
 	return (ctx->tag);
@@ -1621,9 +1825,10 @@ isc_mem_gettag(isc_mem_t *ctx) {
  * Memory pool stuff
  */
 
-isc_result_t
-isc_mempool_create(isc_mem_t *mctx, size_t size, isc_mempool_t **mpctxp) {
-	isc_mempool_t *mpctx;
+ISC_MEMFUNC_SCOPE isc_result_t
+isc__mempool_create(isc_mem_t *mctx0, size_t size, isc_mempool_t **mpctxp) {
+	isc__mem_t *mctx = (isc__mem_t *)mctx0;
+	isc__mempool_t *mpctx;
 
 	REQUIRE(VALID_CONTEXT(mctx));
 	REQUIRE(size > 0U);
@@ -1633,11 +1838,13 @@ isc_mempool_create(isc_mem_t *mctx, size_t size, isc_mempool_t **mpctxp) {
 	 * Allocate space for this pool, initialize values, and if all works
 	 * well, attach to the memory context.
 	 */
-	mpctx = isc_mem_get(mctx, sizeof(isc_mempool_t));
+	mpctx = isc_mem_get((isc_mem_t *)mctx, sizeof(isc__mempool_t));
 	if (mpctx == NULL)
 		return (ISC_R_NOMEMORY);
 
-	mpctx->magic = MEMPOOL_MAGIC;
+	mpctx->common.methods = (isc_mempoolmethods_t *)&mempoolmethods;
+	mpctx->common.impmagic = MEMPOOL_MAGIC;
+	mpctx->common.magic = ISCAPI_MPOOL_MAGIC;
 	mpctx->lock = NULL;
 	mpctx->mctx = mctx;
 	mpctx->size = size;
@@ -1652,7 +1859,7 @@ isc_mempool_create(isc_mem_t *mctx, size_t size, isc_mempool_t **mpctxp) {
 #endif
 	mpctx->items = NULL;
 
-	*mpctxp = mpctx;
+	*mpctxp = (isc_mempool_t *)mpctx;
 
 	MCTXLOCK(mctx, &mctx->lock);
 	ISC_LIST_INITANDAPPEND(mctx->pools, mpctx, link);
@@ -1662,9 +1869,12 @@ isc_mempool_create(isc_mem_t *mctx, size_t size, isc_mempool_t **mpctxp) {
 	return (ISC_R_SUCCESS);
 }
 
-void
-isc_mempool_setname(isc_mempool_t *mpctx, const char *name) {
+ISC_MEMFUNC_SCOPE void
+isc__mempool_setname(isc_mempool_t *mpctx0, const char *name) {
+	isc__mempool_t *mpctx = (isc__mempool_t *)mpctx0;
+
 	REQUIRE(name != NULL);
+	REQUIRE(VALID_MEMPOOL(mpctx));
 
 #if ISC_MEMPOOL_NAMES
 	if (mpctx->lock != NULL)
@@ -1681,20 +1891,20 @@ isc_mempool_setname(isc_mempool_t *mpctx, const char *name) {
 #endif
 }
 
-void
-isc_mempool_destroy(isc_mempool_t **mpctxp) {
-	isc_mempool_t *mpctx;
-	isc_mem_t *mctx;
+ISC_MEMFUNC_SCOPE void
+isc__mempool_destroy(isc_mempool_t **mpctxp) {
+	isc__mempool_t *mpctx;
+	isc__mem_t *mctx;
 	isc_mutex_t *lock;
 	element *item;
 
 	REQUIRE(mpctxp != NULL);
-	mpctx = *mpctxp;
+	mpctx = (isc__mempool_t *)*mpctxp;
 	REQUIRE(VALID_MEMPOOL(mpctx));
 #if ISC_MEMPOOL_NAMES
 	if (mpctx->allocated > 0)
 		UNEXPECTED_ERROR(__FILE__, __LINE__,
-				 "isc_mempool_destroy(): mempool %s "
+				 "isc__mempool_destroy(): mempool %s "
 				 "leaked memory",
 				 mpctx->name);
 #endif
@@ -1734,9 +1944,10 @@ isc_mempool_destroy(isc_mempool_t **mpctxp) {
 	mctx->poolcnt--;
 	MCTXUNLOCK(mctx, &mctx->lock);
 
-	mpctx->magic = 0;
+	mpctx->common.impmagic = 0;
+	mpctx->common.magic = 0;
 
-	isc_mem_put(mpctx->mctx, mpctx, sizeof(isc_mempool_t));
+	isc_mem_put((isc_mem_t *)mpctx->mctx, mpctx, sizeof(isc__mempool_t));
 
 	if (lock != NULL)
 		UNLOCK(lock);
@@ -1744,8 +1955,10 @@ isc_mempool_destroy(isc_mempool_t **mpctxp) {
 	*mpctxp = NULL;
 }
 
-void
-isc_mempool_associatelock(isc_mempool_t *mpctx, isc_mutex_t *lock) {
+ISC_MEMFUNC_SCOPE void
+isc__mempool_associatelock(isc_mempool_t *mpctx0, isc_mutex_t *lock) {
+	isc__mempool_t *mpctx = (isc__mempool_t *)mpctx0;
+
 	REQUIRE(VALID_MEMPOOL(mpctx));
 	REQUIRE(mpctx->lock == NULL);
 	REQUIRE(lock != NULL);
@@ -1753,10 +1966,11 @@ isc_mempool_associatelock(isc_mempool_t *mpctx, isc_mutex_t *lock) {
 	mpctx->lock = lock;
 }
 
-void *
-isc__mempool_get(isc_mempool_t *mpctx FLARG) {
+ISC_MEMFUNC_SCOPE void *
+isc___mempool_get(isc_mempool_t *mpctx0 FLARG) {
+	isc__mempool_t *mpctx = (isc__mempool_t *)mpctx0;
 	element *item;
-	isc_mem_t *mctx;
+	isc__mem_t *mctx;
 	unsigned int i;
 
 	REQUIRE(VALID_MEMPOOL(mpctx));
@@ -1835,9 +2049,10 @@ isc__mempool_get(isc_mempool_t *mpctx FLARG) {
 	return (item);
 }
 
-void
-isc__mempool_put(isc_mempool_t *mpctx, void *mem FLARG) {
-	isc_mem_t *mctx;
+ISC_MEMFUNC_SCOPE void
+isc___mempool_put(isc_mempool_t *mpctx0, void *mem FLARG) {
+	isc__mempool_t *mpctx = (isc__mempool_t *)mpctx0;
+	isc__mem_t *mctx;
 	element *item;
 
 	REQUIRE(VALID_MEMPOOL(mpctx));
@@ -1892,8 +2107,10 @@ isc__mempool_put(isc_mempool_t *mpctx, void *mem FLARG) {
  * Quotas
  */
 
-void
-isc_mempool_setfreemax(isc_mempool_t *mpctx, unsigned int limit) {
+ISC_MEMFUNC_SCOPE void
+isc__mempool_setfreemax(isc_mempool_t *mpctx0, unsigned int limit) {
+	isc__mempool_t *mpctx = (isc__mempool_t *)mpctx0;
+
 	REQUIRE(VALID_MEMPOOL(mpctx));
 
 	if (mpctx->lock != NULL)
@@ -1905,8 +2122,9 @@ isc_mempool_setfreemax(isc_mempool_t *mpctx, unsigned int limit) {
 		UNLOCK(mpctx->lock);
 }
 
-unsigned int
-isc_mempool_getfreemax(isc_mempool_t *mpctx) {
+ISC_MEMFUNC_SCOPE unsigned int
+isc__mempool_getfreemax(isc_mempool_t *mpctx0) {
+	isc__mempool_t *mpctx = (isc__mempool_t *)mpctx0;
 	unsigned int freemax;
 
 	REQUIRE(VALID_MEMPOOL(mpctx));
@@ -1922,8 +2140,9 @@ isc_mempool_getfreemax(isc_mempool_t *mpctx) {
 	return (freemax);
 }
 
-unsigned int
-isc_mempool_getfreecount(isc_mempool_t *mpctx) {
+ISC_MEMFUNC_SCOPE unsigned int
+isc__mempool_getfreecount(isc_mempool_t *mpctx0) {
+	isc__mempool_t *mpctx = (isc__mempool_t *)mpctx0;
 	unsigned int freecount;
 
 	REQUIRE(VALID_MEMPOOL(mpctx));
@@ -1939,8 +2158,10 @@ isc_mempool_getfreecount(isc_mempool_t *mpctx) {
 	return (freecount);
 }
 
-void
-isc_mempool_setmaxalloc(isc_mempool_t *mpctx, unsigned int limit) {
+ISC_MEMFUNC_SCOPE void
+isc__mempool_setmaxalloc(isc_mempool_t *mpctx0, unsigned int limit) {
+	isc__mempool_t *mpctx = (isc__mempool_t *)mpctx0;
+
 	REQUIRE(limit > 0);
 
 	REQUIRE(VALID_MEMPOOL(mpctx));
@@ -1954,8 +2175,9 @@ isc_mempool_setmaxalloc(isc_mempool_t *mpctx, unsigned int limit) {
 		UNLOCK(mpctx->lock);
 }
 
-unsigned int
-isc_mempool_getmaxalloc(isc_mempool_t *mpctx) {
+ISC_MEMFUNC_SCOPE unsigned int
+isc__mempool_getmaxalloc(isc_mempool_t *mpctx0) {
+	isc__mempool_t *mpctx = (isc__mempool_t *)mpctx0;
 	unsigned int maxalloc;
 
 	REQUIRE(VALID_MEMPOOL(mpctx));
@@ -1971,8 +2193,9 @@ isc_mempool_getmaxalloc(isc_mempool_t *mpctx) {
 	return (maxalloc);
 }
 
-unsigned int
-isc_mempool_getallocated(isc_mempool_t *mpctx) {
+ISC_MEMFUNC_SCOPE unsigned int
+isc__mempool_getallocated(isc_mempool_t *mpctx0) {
+	isc__mempool_t *mpctx = (isc__mempool_t *)mpctx0;
 	unsigned int allocated;
 
 	REQUIRE(VALID_MEMPOOL(mpctx));
@@ -1988,8 +2211,10 @@ isc_mempool_getallocated(isc_mempool_t *mpctx) {
 	return (allocated);
 }
 
-void
-isc_mempool_setfillcount(isc_mempool_t *mpctx, unsigned int limit) {
+ISC_MEMFUNC_SCOPE void
+isc__mempool_setfillcount(isc_mempool_t *mpctx0, unsigned int limit) {
+	isc__mempool_t *mpctx = (isc__mempool_t *)mpctx0;
+
 	REQUIRE(limit > 0);
 	REQUIRE(VALID_MEMPOOL(mpctx));
 
@@ -2002,8 +2227,10 @@ isc_mempool_setfillcount(isc_mempool_t *mpctx, unsigned int limit) {
 		UNLOCK(mpctx->lock);
 }
 
-unsigned int
-isc_mempool_getfillcount(isc_mempool_t *mpctx) {
+ISC_MEMFUNC_SCOPE unsigned int
+isc__mempool_getfillcount(isc_mempool_t *mpctx0) {
+	isc__mempool_t *mpctx = (isc__mempool_t *)mpctx0;
+
 	unsigned int fillcount;
 
 	REQUIRE(VALID_MEMPOOL(mpctx));
@@ -2019,8 +2246,17 @@ isc_mempool_getfillcount(isc_mempool_t *mpctx) {
 	return (fillcount);
 }
 
-void
-isc_mem_printactive(isc_mem_t *ctx, FILE *file) {
+#ifdef USE_MEMIMPREGISTER
+isc_result_t
+isc__mem_register() {
+	return (isc_mem_register(isc__mem_create2));
+}
+#endif
+
+#ifdef BIND9
+ISC_MEMFUNC_SCOPE void
+isc__mem_printactive(isc_mem_t *ctx0, FILE *file) {
+	isc__mem_t *ctx = (isc__mem_t *)ctx0;
 
 	REQUIRE(VALID_CONTEXT(ctx));
 	REQUIRE(file != NULL);
@@ -2033,12 +2269,12 @@ isc_mem_printactive(isc_mem_t *ctx, FILE *file) {
 #endif
 }
 
-void
-isc_mem_printallactive(FILE *file) {
+ISC_MEMFUNC_SCOPE void
+isc__mem_printallactive(FILE *file) {
 #if !ISC_MEM_TRACKLINES
 	UNUSED(file);
 #else
-	isc_mem_t *ctx;
+	isc__mem_t *ctx;
 
 	RUNTIME_CHECK(isc_once_do(&once, initialize_action) == ISC_R_SUCCESS);
 
@@ -2053,15 +2289,15 @@ isc_mem_printallactive(FILE *file) {
 #endif
 }
 
-void
-isc_mem_checkdestroyed(FILE *file) {
+ISC_MEMFUNC_SCOPE void
+isc__mem_checkdestroyed(FILE *file) {
 
 	RUNTIME_CHECK(isc_once_do(&once, initialize_action) == ISC_R_SUCCESS);
 
 	LOCK(&lock);
 	if (!ISC_LIST_EMPTY(contexts))  {
 #if ISC_MEM_TRACKLINES
-		isc_mem_t *ctx;
+		isc__mem_t *ctx;
 
 		for (ctx = ISC_LIST_HEAD(contexts);
 		     ctx != NULL;
@@ -2076,9 +2312,11 @@ isc_mem_checkdestroyed(FILE *file) {
 	UNLOCK(&lock);
 }
 
-unsigned int
-isc_mem_references(isc_mem_t *ctx) {
+ISC_MEMFUNC_SCOPE unsigned int
+isc_mem_references(isc_mem_t *ctx0) {
+	isc__mem_t *ctx = (isc__mem_t *)ctx0;
 	unsigned int references;
+
 	REQUIRE(VALID_CONTEXT(ctx));
 
 	MCTXLOCK(ctx, &ctx->lock);
@@ -2098,7 +2336,7 @@ typedef struct summarystat {
 } summarystat_t;
 
 static void
-renderctx(isc_mem_t *ctx, summarystat_t *summary, xmlTextWriterPtr writer) {
+renderctx(isc__mem_t *ctx, summarystat_t *summary, xmlTextWriterPtr writer) {
 	REQUIRE(VALID_CONTEXT(ctx));
 
 	xmlTextWriterStartElement(writer, ISC_XMLCHAR "context");
@@ -2184,7 +2422,7 @@ renderctx(isc_mem_t *ctx, summarystat_t *summary, xmlTextWriterPtr writer) {
 
 void
 isc_mem_renderxml(xmlTextWriterPtr writer) {
-	isc_mem_t *ctx;
+	isc__mem_t *ctx;
 	summarystat_t summary;
 	isc_uint64_t lost;
 
@@ -2236,3 +2474,4 @@ isc_mem_renderxml(xmlTextWriterPtr writer) {
 }
 
 #endif /* HAVE_LIBXML2 */
+#endif /* BIND9 */
diff --git a/lib/isc/mem_api.c b/lib/isc/mem_api.c
new file mode 100644
index 0000000..638efcd
--- /dev/null
+++ b/lib/isc/mem_api.c
@@ -0,0 +1,303 @@
+/*
+ * Copyright (C) 2009, 2010  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: mem_api.c,v 1.8 2010-08-12 21:30:26 jinmei Exp $ */
+
+#include 
+
+#include 
+#include 
+#include 
+#include 
+
+#if ISC_MEM_TRACKLINES
+#define FLARG_PASS	, file, line
+#define FLARG		, const char *file, unsigned int line
+#else
+#define FLARG_PASS
+#define FLARG
+#endif
+
+static isc_mutex_t createlock;
+static isc_once_t once = ISC_ONCE_INIT;
+static isc_memcreatefunc_t mem_createfunc = NULL;
+
+static void
+initialize(void) {
+	RUNTIME_CHECK(isc_mutex_init(&createlock) == ISC_R_SUCCESS);
+}
+
+isc_result_t
+isc_mem_register(isc_memcreatefunc_t createfunc) {
+	isc_result_t result = ISC_R_SUCCESS;
+
+	RUNTIME_CHECK(isc_once_do(&once, initialize) == ISC_R_SUCCESS);
+
+	LOCK(&createlock);
+	if (mem_createfunc == NULL)
+		mem_createfunc = createfunc;
+	else
+		result = ISC_R_EXISTS;
+	UNLOCK(&createlock);
+
+	return (result);
+}
+
+isc_result_t
+isc_mem_create(size_t init_max_size, size_t target_size, isc_mem_t **mctxp) {
+	isc_result_t result;
+
+	LOCK(&createlock);
+
+	REQUIRE(mem_createfunc != NULL);
+	result = (*mem_createfunc)(init_max_size, target_size, mctxp,
+				   ISC_MEMFLAG_DEFAULT);
+
+	UNLOCK(&createlock);
+
+	return (result);
+}
+
+isc_result_t
+isc_mem_create2(size_t init_max_size, size_t target_size, isc_mem_t **mctxp,
+		unsigned int flags)
+{
+	isc_result_t result;
+
+	LOCK(&createlock);
+
+	REQUIRE(mem_createfunc != NULL);
+	result = (*mem_createfunc)(init_max_size, target_size, mctxp, flags);
+
+	UNLOCK(&createlock);
+
+	return (result);
+}
+
+void
+isc_mem_attach(isc_mem_t *source, isc_mem_t **targetp) {
+	REQUIRE(ISCAPI_MCTX_VALID(source));
+	REQUIRE(targetp != NULL && *targetp == NULL);
+
+	source->methods->attach(source, targetp);
+
+	ENSURE(*targetp == source);
+}
+
+void
+isc_mem_detach(isc_mem_t **mctxp) {
+	REQUIRE(mctxp != NULL && ISCAPI_MCTX_VALID(*mctxp));
+
+	(*mctxp)->methods->detach(mctxp);
+
+	ENSURE(*mctxp == NULL);
+}
+
+void
+isc_mem_destroy(isc_mem_t **mctxp) {
+	REQUIRE(mctxp != NULL && ISCAPI_MCTX_VALID(*mctxp));
+
+	(*mctxp)->methods->destroy(mctxp);
+
+	ENSURE(*mctxp == NULL);
+}
+
+void *
+isc__mem_get(isc_mem_t *mctx, size_t size FLARG) {
+	REQUIRE(ISCAPI_MCTX_VALID(mctx));
+
+	return (mctx->methods->memget(mctx, size FLARG_PASS));
+}
+
+void
+isc__mem_put(isc_mem_t *mctx, void *ptr, size_t size FLARG) {
+	REQUIRE(ISCAPI_MCTX_VALID(mctx));
+
+	mctx->methods->memput(mctx, ptr, size FLARG_PASS);
+}
+
+void
+isc__mem_putanddetach(isc_mem_t **mctxp, void *ptr, size_t size FLARG) {
+	REQUIRE(mctxp != NULL && ISCAPI_MCTX_VALID(*mctxp));
+
+	(*mctxp)->methods->memputanddetach(mctxp, ptr, size FLARG_PASS);
+
+	/*
+	 * XXX: We cannot always ensure *mctxp == NULL here
+	 * (see lib/isc/mem.c).
+	 */
+}
+
+void *
+isc__mem_allocate(isc_mem_t *mctx, size_t size FLARG) {
+	REQUIRE(ISCAPI_MCTX_VALID(mctx));
+
+	return (mctx->methods->memallocate(mctx, size FLARG_PASS));
+}
+
+void *
+isc__mem_reallocate(isc_mem_t *mctx, void *ptr, size_t size FLARG) {
+	REQUIRE(ISCAPI_MCTX_VALID(mctx));
+
+	return (mctx->methods->memreallocate(mctx, ptr, size FLARG_PASS));
+}
+
+char *
+isc__mem_strdup(isc_mem_t *mctx, const char *s FLARG) {
+	REQUIRE(ISCAPI_MCTX_VALID(mctx));
+
+	return (mctx->methods->memstrdup(mctx, s FLARG_PASS));
+}
+
+void
+isc__mem_free(isc_mem_t *mctx, void *ptr FLARG) {
+	REQUIRE(ISCAPI_MCTX_VALID(mctx));
+
+	mctx->methods->memfree(mctx, ptr FLARG_PASS);
+}
+
+void
+isc_mem_setdestroycheck(isc_mem_t *mctx, isc_boolean_t flag) {
+	REQUIRE(ISCAPI_MCTX_VALID(mctx));
+
+	mctx->methods->setdestroycheck(mctx, flag);
+}
+
+void
+isc_mem_setwater(isc_mem_t *ctx, isc_mem_water_t water, void *water_arg,
+		 size_t hiwater, size_t lowater)
+{
+	REQUIRE(ISCAPI_MCTX_VALID(ctx));
+
+	ctx->methods->setwater(ctx, water, water_arg, hiwater, lowater);
+}
+
+void
+isc_mem_waterack(isc_mem_t *ctx, int flag) {
+	REQUIRE(ISCAPI_MCTX_VALID(ctx));
+
+	ctx->methods->waterack(ctx, flag);
+}
+
+size_t
+isc_mem_inuse(isc_mem_t *mctx) {
+	REQUIRE(ISCAPI_MCTX_VALID(mctx));
+
+	return (mctx->methods->inuse(mctx));
+}
+
+isc_boolean_t
+isc_mem_isovermem(isc_mem_t *mctx) {
+	REQUIRE(ISCAPI_MCTX_VALID(mctx));
+
+	return (mctx->methods->isovermem(mctx));
+}
+
+void
+isc_mem_setname(isc_mem_t *mctx, const char *name, void *tag) {
+	REQUIRE(ISCAPI_MCTX_VALID(mctx));
+
+	UNUSED(name);
+	UNUSED(tag);
+
+	return;
+}
+
+const char *
+isc_mem_getname(isc_mem_t *mctx) {
+	REQUIRE(ISCAPI_MCTX_VALID(mctx));
+
+	return ("");
+}
+
+void *
+isc_mem_gettag(isc_mem_t *mctx) {
+	REQUIRE(ISCAPI_MCTX_VALID(mctx));
+
+	return (NULL);
+}
+
+isc_result_t
+isc_mempool_create(isc_mem_t *mctx, size_t size, isc_mempool_t **mpctxp) {
+	REQUIRE(ISCAPI_MCTX_VALID(mctx));
+
+	return (mctx->methods->mpcreate(mctx, size, mpctxp));
+}
+
+void
+isc_mempool_destroy(isc_mempool_t **mpctxp) {
+	REQUIRE(mpctxp != NULL && ISCAPI_MPOOL_VALID(*mpctxp));
+
+	(*mpctxp)->methods->destroy(mpctxp);
+
+	ENSURE(*mpctxp == NULL);
+}
+
+void *
+isc__mempool_get(isc_mempool_t *mpctx FLARG) {
+	REQUIRE(ISCAPI_MPOOL_VALID(mpctx));
+
+	return (mpctx->methods->get(mpctx FLARG_PASS));
+}
+
+void
+isc__mempool_put(isc_mempool_t *mpctx, void *mem FLARG) {
+	REQUIRE(ISCAPI_MPOOL_VALID(mpctx));
+
+	mpctx->methods->put(mpctx, mem FLARG_PASS);
+}
+
+unsigned int
+isc_mempool_getallocated(isc_mempool_t *mpctx) {
+	REQUIRE(ISCAPI_MPOOL_VALID(mpctx));
+
+	return (mpctx->methods->getallocated(mpctx));
+}
+
+void
+isc_mempool_setmaxalloc(isc_mempool_t *mpctx, unsigned int limit) {
+	REQUIRE(ISCAPI_MPOOL_VALID(mpctx));
+
+	mpctx->methods->setmaxalloc(mpctx, limit);
+}
+
+void
+isc_mempool_setfreemax(isc_mempool_t *mpctx, unsigned int limit) {
+	REQUIRE(ISCAPI_MPOOL_VALID(mpctx));
+
+	mpctx->methods->setfreemax(mpctx, limit);
+}
+
+void
+isc_mempool_setname(isc_mempool_t *mpctx, const char *name) {
+	REQUIRE(ISCAPI_MPOOL_VALID(mpctx));
+
+	mpctx->methods->setname(mpctx, name);
+}
+
+void
+isc_mempool_associatelock(isc_mempool_t *mpctx, isc_mutex_t *lock) {
+	REQUIRE(ISCAPI_MPOOL_VALID(mpctx));
+
+	mpctx->methods->associatelock(mpctx, lock);
+}
+
+void
+isc_mempool_setfillcount(isc_mempool_t *mpctx, unsigned int limit) {
+	REQUIRE(ISCAPI_MPOOL_VALID(mpctx));
+
+	mpctx->methods->setfillcount(mpctx, limit);
+}
diff --git a/lib/isc/netaddr.c b/lib/isc/netaddr.c
index 92c4fe5..33dddb8 100644
--- a/lib/isc/netaddr.c
+++ b/lib/isc/netaddr.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2010  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: netaddr.c,v 1.38 2007-06-18 23:47:44 tbox Exp $ */
+/* $Id: netaddr.c,v 1.41 2010-11-17 23:47:08 tbox Exp $ */
 
 /*! \file */
 
@@ -303,18 +303,18 @@ isc_netaddr_fromin6(isc_netaddr_t *netaddr, const struct in6_addr *ina6) {
 isc_result_t
 isc_netaddr_frompath(isc_netaddr_t *netaddr, const char *path) {
 #ifdef ISC_PLATFORM_HAVESYSUNH
-        if (strlen(path) > sizeof(netaddr->type.un) - 1)
-                return (ISC_R_NOSPACE);
-
-        memset(netaddr, 0, sizeof(*netaddr));
-        netaddr->family = AF_UNIX;
-        strcpy(netaddr->type.un, path);
-        netaddr->zone = 0;
-        return (ISC_R_SUCCESS);
-#else 
+	if (strlen(path) > sizeof(netaddr->type.un) - 1)
+		return (ISC_R_NOSPACE);
+
+	memset(netaddr, 0, sizeof(*netaddr));
+	netaddr->family = AF_UNIX;
+	strcpy(netaddr->type.un, path);
+	netaddr->zone = 0;
+	return (ISC_R_SUCCESS);
+#else
 	UNUSED(netaddr);
 	UNUSED(path);
-        return (ISC_R_NOTIMPLEMENTED);
+	return (ISC_R_NOTIMPLEMENTED);
 #endif
 }
 
diff --git a/lib/isc/nls/Makefile.in b/lib/isc/nls/Makefile.in
index c4ec7a1..bfd8dd0 100644
--- a/lib/isc/nls/Makefile.in
+++ b/lib/isc/nls/Makefile.in
@@ -1,4 +1,4 @@
-# Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
+# Copyright (C) 2004, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
 # Copyright (C) 1999-2001  Internet Software Consortium.
 #
 # Permission to use, copy, modify, and/or distribute this software for any
@@ -13,7 +13,7 @@
 # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 # PERFORMANCE OF THIS SOFTWARE.
 
-# $Id: Makefile.in,v 1.14 2007-06-19 23:47:18 tbox Exp $
+# $Id: Makefile.in,v 1.17 2009-12-05 23:31:41 each Exp $
 
 srcdir =	@srcdir@
 VPATH =		@srcdir@
diff --git a/lib/isc/nothreads/Makefile.in b/lib/isc/nothreads/Makefile.in
index 042cfce..29bacd6 100644
--- a/lib/isc/nothreads/Makefile.in
+++ b/lib/isc/nothreads/Makefile.in
@@ -1,4 +1,4 @@
-# Copyright (C) 2004, 2007, 2010  Internet Systems Consortium, Inc. ("ISC")
+# Copyright (C) 2004, 2007, 2009, 2010  Internet Systems Consortium, Inc. ("ISC")
 # Copyright (C) 2000, 2001  Internet Software Consortium.
 #
 # Permission to use, copy, modify, and/or distribute this software for any
@@ -13,11 +13,11 @@
 # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 # PERFORMANCE OF THIS SOFTWARE.
 
-# $Id: Makefile.in,v 1.7.332.2 2010-06-09 23:48:16 tbox Exp $
+# $Id: Makefile.in,v 1.12 2010-06-09 23:50:58 tbox Exp $
 
-srcdir =	@srcdir@
-VPATH =		@srcdir@
 top_srcdir =	@top_srcdir@
+srcdir =	@top_srcdir@/lib/isc/nothreads
+VPATH =		@top_srcdir@/lib/isc/nothreads
 
 CINCLUDES =	-I${srcdir}/include \
 		-I${srcdir}/../unix/include \
diff --git a/lib/isc/powerpc/include/isc/atomic.h b/lib/isc/powerpc/include/isc/atomic.h
index 074fea1..2e11e39 100644
--- a/lib/isc/powerpc/include/isc/atomic.h
+++ b/lib/isc/powerpc/include/isc/atomic.h
@@ -14,7 +14,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: atomic.h,v 1.6.332.2 2009-10-14 23:47:14 tbox Exp $ */
+/* $Id: atomic.h,v 1.8 2009-10-14 23:47:51 tbox Exp $ */
 
 #ifndef ISC_ATOMIC_H
 #define ISC_ATOMIC_H 1
diff --git a/lib/isc/print.c b/lib/isc/print.c
index 5d800f3..bd7b580 100644
--- a/lib/isc/print.c
+++ b/lib/isc/print.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: print.c,v 1.35.130.2 2010-10-18 23:46:17 tbox Exp $ */
+/* $Id: print.c,v 1.37 2010-10-18 23:47:08 tbox Exp $ */
 
 /*! \file */
 
diff --git a/lib/isc/pthreads/Makefile.in b/lib/isc/pthreads/Makefile.in
index 572d76c..7aae93d 100644
--- a/lib/isc/pthreads/Makefile.in
+++ b/lib/isc/pthreads/Makefile.in
@@ -1,4 +1,4 @@
-# Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
+# Copyright (C) 2004, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
 # Copyright (C) 1998-2001  Internet Software Consortium.
 #
 # Permission to use, copy, modify, and/or distribute this software for any
@@ -13,7 +13,7 @@
 # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 # PERFORMANCE OF THIS SOFTWARE.
 
-# $Id: Makefile.in,v 1.19 2007-06-19 23:47:18 tbox Exp $
+# $Id: Makefile.in,v 1.22 2009-12-05 23:31:41 each Exp $
 
 srcdir =	@srcdir@
 VPATH =		@srcdir@
diff --git a/lib/isc/pthreads/mutex.c b/lib/isc/pthreads/mutex.c
index efe38db..fa5a701 100644
--- a/lib/isc/pthreads/mutex.c
+++ b/lib/isc/pthreads/mutex.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: mutex.c,v 1.16.112.2 2011-01-04 23:45:43 tbox Exp $ */
+/* $Id: mutex.c,v 1.18 2011-01-04 23:47:14 tbox Exp $ */
 
 /*! \file */
 
diff --git a/lib/isc/radix.c b/lib/isc/radix.c
index d72ed33..be2e841 100644
--- a/lib/isc/radix.c
+++ b/lib/isc/radix.c
@@ -14,7 +14,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: radix.c,v 1.20.36.3 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: radix.c,v 1.23 2009-01-18 23:48:14 tbox Exp $ */
 
 /*
  * This source was adapted from MRT's RCS Ids:
diff --git a/lib/isc/random.c b/lib/isc/random.c
index 09145f4..f082fe6 100644
--- a/lib/isc/random.c
+++ b/lib/isc/random.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: random.c,v 1.25.332.2 2009-07-16 23:47:17 tbox Exp $ */
+/* $Id: random.c,v 1.28 2009-07-16 05:52:46 marka Exp $ */
 
 /*! \file */
 
@@ -103,7 +103,7 @@ isc_uint32_t
 isc_random_jitter(isc_uint32_t max, isc_uint32_t jitter) {
 	isc_uint32_t rnd;
 
-	REQUIRE(jitter < max);
+	REQUIRE(jitter < max || (jitter == 0 && max == 0));
 
 	if (jitter == 0)
 		return (max);
diff --git a/lib/isc/rwlock.c b/lib/isc/rwlock.c
index 39b90d7..fce7516 100644
--- a/lib/isc/rwlock.c
+++ b/lib/isc/rwlock.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: rwlock.c,v 1.44.332.2 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: rwlock.c,v 1.46 2009-01-18 23:48:14 tbox Exp $ */
 
 /*! \file */
 
diff --git a/lib/isc/sha1.c b/lib/isc/sha1.c
index 20ee28d..d72eb9c 100644
--- a/lib/isc/sha1.c
+++ b/lib/isc/sha1.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001, 2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: sha1.c,v 1.18 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: sha1.c,v 1.20 2009-02-06 23:47:42 tbox Exp $ */
 
 /*	$NetBSD: sha1.c,v 1.5 2000/01/22 22:19:14 mycroft Exp $	*/
 /*	$OpenBSD: sha1.c,v 1.9 1997/07/23 21:12:32 kstailey Exp $	*/
@@ -38,11 +38,47 @@
 #include "config.h"
 
 #include 
+#include 
 #include 
 #include 
 #include 
 #include 
 
+#ifdef ISC_PLATFORM_OPENSSLHASH
+
+void
+isc_sha1_init(isc_sha1_t *context)
+{
+	INSIST(context != NULL);
+
+	EVP_DigestInit(context, EVP_sha1());
+}
+
+void
+isc_sha1_invalidate(isc_sha1_t *context) {
+	EVP_MD_CTX_cleanup(context);
+}
+
+void
+isc_sha1_update(isc_sha1_t *context, const unsigned char *data,
+		unsigned int len)
+{
+	INSIST(context != 0);
+	INSIST(data != 0);
+
+	EVP_DigestUpdate(context, (const void *) data, (size_t) len);
+}
+
+void
+isc_sha1_final(isc_sha1_t *context, unsigned char *digest) {
+	INSIST(digest != 0);
+	INSIST(context != 0);
+
+	EVP_DigestFinal(context, digest, NULL);
+}
+
+#else
+
 #define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
 
 /*@{*/
@@ -313,3 +349,4 @@ isc_sha1_final(isc_sha1_t *context, unsigned char *digest) {
 
 	memset(context, 0, sizeof(isc_sha1_t));
 }
+#endif
diff --git a/lib/isc/sha2.c b/lib/isc/sha2.c
index 22f1d47..1dc05a70 100644
--- a/lib/isc/sha2.c
+++ b/lib/isc/sha2.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2005-2007, 2009, 2010  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2005-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -14,7 +14,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: sha2.c,v 1.13.332.4 2010-01-15 23:47:34 tbox Exp $ */
+/* $Id: sha2.c,v 1.18 2009-10-22 02:21:31 each Exp $ */
 
 /*	$FreeBSD$	*/
 /*	$KAME: sha2.c,v 1.8 2001/11/08 01:07:52 itojun Exp $	*/
@@ -58,10 +58,169 @@
 #include 
 
 #include 
+#include 
 #include 
 #include 
 #include 
 
+#ifdef ISC_PLATFORM_OPENSSLHASH
+
+void
+isc_sha224_init(isc_sha224_t *context) {
+	if (context == (isc_sha224_t *)0) {
+		return;
+	}
+	EVP_DigestInit(context, EVP_sha224());
+}
+
+void
+isc_sha224_invalidate(isc_sha224_t *context) {
+	EVP_MD_CTX_cleanup(context);
+}
+
+void
+isc_sha224_update(isc_sha224_t *context, const isc_uint8_t* data, size_t len) {
+	if (len == 0U) {
+		/* Calling with no data is valid - we do nothing */
+		return;
+	}
+
+	/* Sanity check: */
+	REQUIRE(context != (isc_sha224_t *)0 && data != (isc_uint8_t*)0);
+
+	EVP_DigestUpdate(context, (const void *) data, len);
+}
+
+void
+isc_sha224_final(isc_uint8_t digest[], isc_sha224_t *context) {
+	/* Sanity check: */
+	REQUIRE(context != (isc_sha224_t *)0);
+
+	/* If no digest buffer is passed, we don't bother doing this: */
+	if (digest != (isc_uint8_t*)0) {
+		EVP_DigestFinal(context, digest, NULL);
+	} else {
+		EVP_MD_CTX_cleanup(context);
+	}
+}
+
+void
+isc_sha256_init(isc_sha256_t *context) {
+	if (context == (isc_sha256_t *)0) {
+		return;
+	}
+	EVP_DigestInit(context, EVP_sha256());
+}
+
+void
+isc_sha256_invalidate(isc_sha256_t *context) {
+	EVP_MD_CTX_cleanup(context);
+}
+
+void
+isc_sha256_update(isc_sha256_t *context, const isc_uint8_t *data, size_t len) {
+	if (len == 0U) {
+		/* Calling with no data is valid - we do nothing */
+		return;
+	}
+
+	/* Sanity check: */
+	REQUIRE(context != (isc_sha256_t *)0 && data != (isc_uint8_t*)0);
+
+	EVP_DigestUpdate(context, (const void *) data, len);
+}
+
+void
+isc_sha256_final(isc_uint8_t digest[], isc_sha256_t *context) {
+	/* Sanity check: */
+	REQUIRE(context != (isc_sha256_t *)0);
+
+	/* If no digest buffer is passed, we don't bother doing this: */
+	if (digest != (isc_uint8_t*)0) {
+		EVP_DigestFinal(context, digest, NULL);
+	} else {
+		EVP_MD_CTX_cleanup(context);
+	}
+}
+
+void
+isc_sha512_init(isc_sha512_t *context) {
+	if (context == (isc_sha512_t *)0) {
+		return;
+	}
+	EVP_DigestInit(context, EVP_sha512());
+}
+
+void
+isc_sha512_invalidate(isc_sha512_t *context) {
+	EVP_MD_CTX_cleanup(context);
+}
+
+void isc_sha512_update(isc_sha512_t *context, const isc_uint8_t *data, size_t len) {
+	if (len == 0U) {
+		/* Calling with no data is valid - we do nothing */
+		return;
+	}
+
+	/* Sanity check: */
+	REQUIRE(context != (isc_sha512_t *)0 && data != (isc_uint8_t*)0);
+
+	EVP_DigestUpdate(context, (const void *) data, len);
+}
+
+void isc_sha512_final(isc_uint8_t digest[], isc_sha512_t *context) {
+	/* Sanity check: */
+	REQUIRE(context != (isc_sha512_t *)0);
+
+	/* If no digest buffer is passed, we don't bother doing this: */
+	if (digest != (isc_uint8_t*)0) {
+		EVP_DigestFinal(context, digest, NULL);
+	} else {
+		EVP_MD_CTX_cleanup(context);
+	}
+}
+
+void
+isc_sha384_init(isc_sha384_t *context) {
+	if (context == (isc_sha384_t *)0) {
+		return;
+	}
+	EVP_DigestInit(context, EVP_sha384());
+}
+
+void
+isc_sha384_invalidate(isc_sha384_t *context) {
+	EVP_MD_CTX_cleanup(context);
+}
+
+void
+isc_sha384_update(isc_sha384_t *context, const isc_uint8_t* data, size_t len) {
+	if (len == 0U) {
+		/* Calling with no data is valid - we do nothing */
+		return;
+	}
+
+	/* Sanity check: */
+	REQUIRE(context != (isc_sha512_t *)0 && data != (isc_uint8_t*)0);
+
+	EVP_DigestUpdate(context, (const void *) data, len);
+}
+
+void
+isc_sha384_final(isc_uint8_t digest[], isc_sha384_t *context) {
+	/* Sanity check: */
+	REQUIRE(context != (isc_sha384_t *)0);
+
+	/* If no digest buffer is passed, we don't bother doing this: */
+	if (digest != (isc_uint8_t*)0) {
+		EVP_DigestFinal(context, digest, NULL);
+	} else {
+		EVP_MD_CTX_cleanup(context);
+	}
+}
+
+#else
+
 /*
  * UNROLLED TRANSFORM LOOP NOTE:
  * You can define SHA2_UNROLL_TRANSFORM to use the unrolled transform
@@ -394,13 +553,6 @@ static const isc_uint64_t sha512_initial_hash_value[8] = {
 };
 #endif
 
-/*
- * Constant used by SHA256/384/512_End() functions for converting the
- * digest to a readable hexadecimal character string:
- */
-static const char *sha2_hex_digits = "0123456789abcdef";
-
-
 
 /*** SHA-224: *********************************************************/
 void
@@ -432,41 +584,6 @@ isc_sha224_final(isc_uint8_t digest[], isc_sha224_t *context) {
 	memset(sha256_digest, 0, ISC_SHA256_DIGESTLENGTH);
 }
 
-char *
-isc_sha224_end(isc_sha224_t *context, char buffer[]) {
-	isc_uint8_t	digest[ISC_SHA224_DIGESTLENGTH], *d = digest;
-	unsigned int	i;
-
-	/* Sanity check: */
-	REQUIRE(context != (isc_sha224_t *)0);
-
-	if (buffer != (char*)0) {
-		isc_sha224_final(digest, context);
-
-		for (i = 0; i < ISC_SHA224_DIGESTLENGTH; i++) {
-			*buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
-			*buffer++ = sha2_hex_digits[*d & 0x0f];
-			d++;
-		}
-		*buffer = (char)0;
-	} else {
-		memset(context, 0, sizeof(context));
-	}
-	memset(digest, 0, ISC_SHA224_DIGESTLENGTH);
-	return buffer;
-}
-
-char*
-isc_sha224_data(const isc_uint8_t *data, size_t len,
-		char digest[ISC_SHA224_DIGESTSTRINGLENGTH])
-{
-	isc_sha224_t context;
-
-	isc_sha224_init(&context);
-	isc_sha224_update(&context, data, len);
-	return (isc_sha224_end(&context, digest));
-}
-
 /*** SHA-256: *********************************************************/
 void
 isc_sha256_init(isc_sha256_t *context) {
@@ -479,6 +596,11 @@ isc_sha256_init(isc_sha256_t *context) {
 	context->bitcount = 0;
 }
 
+void
+isc_sha256_invalidate(isc_sha256_t *context) {
+	memset(context, 0, sizeof(isc_sha256_t));
+}
+
 #ifdef ISC_SHA2_UNROLL_TRANSFORM
 
 /* Unrolled SHA-256 round macros: */
@@ -656,11 +778,6 @@ isc_sha256_transform(isc_sha256_t *context, const isc_uint32_t* data) {
 #endif /* ISC_SHA2_UNROLL_TRANSFORM */
 
 void
-isc_sha256_invalidate(isc_sha256_t *context) {
-	memset(context, 0, sizeof(isc_sha256_t));
-}
-
-void
 isc_sha256_update(isc_sha256_t *context, const isc_uint8_t *data, size_t len) {
 	unsigned int	freespace, usedspace;
 
@@ -782,42 +899,6 @@ isc_sha256_final(isc_uint8_t digest[], isc_sha256_t *context) {
 	usedspace = 0;
 }
 
-char *
-isc_sha256_end(isc_sha256_t *context, char buffer[]) {
-	isc_uint8_t	digest[ISC_SHA256_DIGESTLENGTH], *d = digest;
-	unsigned int	i;
-
-	/* Sanity check: */
-	REQUIRE(context != (isc_sha256_t *)0);
-
-	if (buffer != (char*)0) {
-		isc_sha256_final(digest, context);
-
-		for (i = 0; i < ISC_SHA256_DIGESTLENGTH; i++) {
-			*buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
-			*buffer++ = sha2_hex_digits[*d & 0x0f];
-			d++;
-		}
-		*buffer = (char)0;
-	} else {
-		memset(context, 0, sizeof(context));
-	}
-	memset(digest, 0, ISC_SHA256_DIGESTLENGTH);
-	return buffer;
-}
-
-char *
-isc_sha256_data(const isc_uint8_t* data, size_t len,
-		char digest[ISC_SHA256_DIGESTSTRINGLENGTH])
-{
-	isc_sha256_t context;
-
-	isc_sha256_init(&context);
-	isc_sha256_update(&context, data, len);
-	return (isc_sha256_end(&context, digest));
-}
-
-
 /*** SHA-512: *********************************************************/
 void
 isc_sha512_init(isc_sha512_t *context) {
@@ -830,6 +911,11 @@ isc_sha512_init(isc_sha512_t *context) {
 	context->bitcount[0] = context->bitcount[1] =  0;
 }
 
+void
+isc_sha512_invalidate(isc_sha512_t *context) {
+	memset(context, 0, sizeof(isc_sha512_t));
+}
+
 #ifdef ISC_SHA2_UNROLL_TRANSFORM
 
 /* Unrolled SHA-512 round macros: */
@@ -1000,13 +1086,7 @@ isc_sha512_transform(isc_sha512_t *context, const isc_uint64_t* data) {
 
 #endif /* ISC_SHA2_UNROLL_TRANSFORM */
 
-void
-isc_sha512_invalidate(isc_sha512_t *context) {
-	memset(context, 0, sizeof(isc_sha512_t));
-}
-
-void
-isc_sha512_update(isc_sha512_t *context, const isc_uint8_t *data, size_t len) {
+void isc_sha512_update(isc_sha512_t *context, const isc_uint8_t *data, size_t len) {
 	unsigned int	freespace, usedspace;
 
 	if (len == 0U) {
@@ -1131,41 +1211,6 @@ void isc_sha512_final(isc_uint8_t digest[], isc_sha512_t *context) {
 	memset(context, 0, sizeof(context));
 }
 
-char *
-isc_sha512_end(isc_sha512_t *context, char buffer[]) {
-	isc_uint8_t	digest[ISC_SHA512_DIGESTLENGTH], *d = digest;
-	unsigned int	i;
-
-	/* Sanity check: */
-	REQUIRE(context != (isc_sha512_t *)0);
-
-	if (buffer != (char*)0) {
-		isc_sha512_final(digest, context);
-
-		for (i = 0; i < ISC_SHA512_DIGESTLENGTH; i++) {
-			*buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
-			*buffer++ = sha2_hex_digits[*d & 0x0f];
-			d++;
-		}
-		*buffer = (char)0;
-	} else {
-		memset(context, 0, sizeof(context));
-	}
-	memset(digest, 0, ISC_SHA512_DIGESTLENGTH);
-	return buffer;
-}
-
-char *
-isc_sha512_data(const isc_uint8_t *data, size_t len,
-		char digest[ISC_SHA512_DIGESTSTRINGLENGTH])
-{
-	isc_sha512_t 	context;
-
-	isc_sha512_init(&context);
-	isc_sha512_update(&context, data, len);
-	return (isc_sha512_end(&context, digest));
-}
-
 
 /*** SHA-384: *********************************************************/
 void
@@ -1218,6 +1263,130 @@ isc_sha384_final(isc_uint8_t digest[], isc_sha384_t *context) {
 	/* Zero out state data */
 	memset(context, 0, sizeof(context));
 }
+#endif /* !ISC_PLATFORM_OPENSSLHASH */
+
+/*
+ * Constant used by SHA256/384/512_End() functions for converting the
+ * digest to a readable hexadecimal character string:
+ */
+static const char *sha2_hex_digits = "0123456789abcdef";
+
+char *
+isc_sha224_end(isc_sha224_t *context, char buffer[]) {
+	isc_uint8_t	digest[ISC_SHA224_DIGESTLENGTH], *d = digest;
+	unsigned int	i;
+
+	/* Sanity check: */
+	REQUIRE(context != (isc_sha224_t *)0);
+
+	if (buffer != (char*)0) {
+		isc_sha224_final(digest, context);
+
+		for (i = 0; i < ISC_SHA224_DIGESTLENGTH; i++) {
+			*buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
+			*buffer++ = sha2_hex_digits[*d & 0x0f];
+			d++;
+		}
+		*buffer = (char)0;
+	} else {
+#ifdef ISC_PLATFORM_OPENSSLHASH
+		EVP_MD_CTX_cleanup(context);
+#else
+		memset(context, 0, sizeof(context));
+#endif
+	}
+	memset(digest, 0, ISC_SHA224_DIGESTLENGTH);
+	return buffer;
+}
+
+char *
+isc_sha224_data(const isc_uint8_t *data, size_t len,
+		char digest[ISC_SHA224_DIGESTSTRINGLENGTH])
+{
+	isc_sha224_t context;
+
+	isc_sha224_init(&context);
+	isc_sha224_update(&context, data, len);
+	return (isc_sha224_end(&context, digest));
+}
+
+char *
+isc_sha256_end(isc_sha256_t *context, char buffer[]) {
+	isc_uint8_t	digest[ISC_SHA256_DIGESTLENGTH], *d = digest;
+	unsigned int	i;
+
+	/* Sanity check: */
+	REQUIRE(context != (isc_sha256_t *)0);
+
+	if (buffer != (char*)0) {
+		isc_sha256_final(digest, context);
+
+		for (i = 0; i < ISC_SHA256_DIGESTLENGTH; i++) {
+			*buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
+			*buffer++ = sha2_hex_digits[*d & 0x0f];
+			d++;
+		}
+		*buffer = (char)0;
+	} else {
+#ifdef ISC_PLATFORM_OPENSSLHASH
+		EVP_MD_CTX_cleanup(context);
+#else
+		memset(context, 0, sizeof(context));
+#endif
+	}
+	memset(digest, 0, ISC_SHA256_DIGESTLENGTH);
+	return buffer;
+}
+
+char *
+isc_sha256_data(const isc_uint8_t* data, size_t len,
+		char digest[ISC_SHA256_DIGESTSTRINGLENGTH])
+{
+	isc_sha256_t context;
+
+	isc_sha256_init(&context);
+	isc_sha256_update(&context, data, len);
+	return (isc_sha256_end(&context, digest));
+}
+
+char *
+isc_sha512_end(isc_sha512_t *context, char buffer[]) {
+	isc_uint8_t	digest[ISC_SHA512_DIGESTLENGTH], *d = digest;
+	unsigned int	i;
+
+	/* Sanity check: */
+	REQUIRE(context != (isc_sha512_t *)0);
+
+	if (buffer != (char*)0) {
+		isc_sha512_final(digest, context);
+
+		for (i = 0; i < ISC_SHA512_DIGESTLENGTH; i++) {
+			*buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
+			*buffer++ = sha2_hex_digits[*d & 0x0f];
+			d++;
+		}
+		*buffer = (char)0;
+	} else {
+#ifdef ISC_PLATFORM_OPENSSLHASH
+		EVP_MD_CTX_cleanup(context);
+#else
+		memset(context, 0, sizeof(context));
+#endif
+	}
+	memset(digest, 0, ISC_SHA512_DIGESTLENGTH);
+	return buffer;
+}
+
+char *
+isc_sha512_data(const isc_uint8_t *data, size_t len,
+		char digest[ISC_SHA512_DIGESTSTRINGLENGTH])
+{
+	isc_sha512_t 	context;
+
+	isc_sha512_init(&context);
+	isc_sha512_update(&context, data, len);
+	return (isc_sha512_end(&context, digest));
+}
 
 char *
 isc_sha384_end(isc_sha384_t *context, char buffer[]) {
@@ -1237,13 +1406,17 @@ isc_sha384_end(isc_sha384_t *context, char buffer[]) {
 		}
 		*buffer = (char)0;
 	} else {
+#ifdef ISC_PLATFORM_OPENSSLHASH
+		EVP_MD_CTX_cleanup(context);
+#else
 		memset(context, 0, sizeof(context));
+#endif
 	}
 	memset(digest, 0, ISC_SHA384_DIGESTLENGTH);
 	return buffer;
 }
 
-char*
+char *
 isc_sha384_data(const isc_uint8_t *data, size_t len,
 		char digest[ISC_SHA384_DIGESTSTRINGLENGTH])
 {
diff --git a/lib/isc/sockaddr.c b/lib/isc/sockaddr.c
index 19833e4..9661ee4 100644
--- a/lib/isc/sockaddr.c
+++ b/lib/isc/sockaddr.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2010  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: sockaddr.c,v 1.70 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: sockaddr.c,v 1.73 2010-11-17 23:47:09 tbox Exp $ */
 
 /*! \file */
 
@@ -390,8 +390,8 @@ isc_sockaddr_fromnetaddr(isc_sockaddr_t *sockaddr, const isc_netaddr_t *na,
 #endif
 		sockaddr->type.sin6.sin6_port = htons(port);
 		break;
-        default:
-                INSIST(0);
+	default:
+		INSIST(0);
 	}
 	ISC_LINK_INIT(sockaddr, link);
 }
diff --git a/lib/isc/socket_api.c b/lib/isc/socket_api.c
new file mode 100644
index 0000000..c1e5fd4
--- /dev/null
+++ b/lib/isc/socket_api.c
@@ -0,0 +1,216 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: socket_api.c,v 1.5 2009-10-01 01:30:01 sar Exp $ */
+
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+static isc_mutex_t createlock;
+static isc_once_t once = ISC_ONCE_INIT;
+static isc_socketmgrcreatefunc_t socketmgr_createfunc = NULL;
+
+static void
+initialize(void) {
+	RUNTIME_CHECK(isc_mutex_init(&createlock) == ISC_R_SUCCESS);
+}
+
+isc_result_t
+isc_socket_register(isc_socketmgrcreatefunc_t createfunc) {
+	isc_result_t result = ISC_R_SUCCESS;
+
+	RUNTIME_CHECK(isc_once_do(&once, initialize) == ISC_R_SUCCESS);
+
+	LOCK(&createlock);
+	if (socketmgr_createfunc == NULL)
+		socketmgr_createfunc = createfunc;
+	else
+		result = ISC_R_EXISTS;
+	UNLOCK(&createlock);
+
+	return (result);
+}
+
+isc_result_t
+isc_socketmgr_createinctx(isc_mem_t *mctx, isc_appctx_t *actx,
+			  isc_socketmgr_t **managerp)
+{
+	isc_result_t result;
+
+	LOCK(&createlock);
+
+	REQUIRE(socketmgr_createfunc != NULL);
+	result = (*socketmgr_createfunc)(mctx, managerp);
+
+	UNLOCK(&createlock);
+
+	if (result == ISC_R_SUCCESS)
+		isc_appctx_setsocketmgr(actx, *managerp);
+
+	return (result);
+}
+
+isc_result_t
+isc_socketmgr_create(isc_mem_t *mctx, isc_socketmgr_t **managerp) {
+	isc_result_t result;
+
+	LOCK(&createlock);
+
+	REQUIRE(socketmgr_createfunc != NULL);
+	result = (*socketmgr_createfunc)(mctx, managerp);
+
+	UNLOCK(&createlock);
+
+	return (result);
+}
+
+void
+isc_socketmgr_destroy(isc_socketmgr_t **managerp) {
+	REQUIRE(managerp != NULL && ISCAPI_SOCKETMGR_VALID(*managerp));
+
+	(*managerp)->methods->destroy(managerp);
+
+	ENSURE(*managerp == NULL);
+}
+
+isc_result_t
+isc_socket_create(isc_socketmgr_t *manager, int pf, isc_sockettype_t type,
+		  isc_socket_t **socketp)
+{
+	REQUIRE(ISCAPI_SOCKETMGR_VALID(manager));
+
+	return (manager->methods->socketcreate(manager, pf, type, socketp));
+}
+
+void
+isc_socket_attach(isc_socket_t *sock, isc_socket_t **socketp) {
+	REQUIRE(ISCAPI_SOCKET_VALID(sock));
+	REQUIRE(socketp != NULL && *socketp == NULL);
+
+	sock->methods->attach(sock, socketp);
+
+	ENSURE(*socketp == sock);
+}
+
+void
+isc_socket_detach(isc_socket_t **socketp) {
+	REQUIRE(socketp != NULL && ISCAPI_SOCKET_VALID(*socketp));
+
+	(*socketp)->methods->detach(socketp);
+
+	ENSURE(*socketp == NULL);
+}
+
+isc_result_t
+isc_socket_bind(isc_socket_t *sock, isc_sockaddr_t *sockaddr,
+		unsigned int options)
+{
+	REQUIRE(ISCAPI_SOCKET_VALID(sock));
+
+	return (sock->methods->bind(sock, sockaddr, options));
+}
+
+isc_result_t
+isc_socket_sendto(isc_socket_t *sock, isc_region_t *region, isc_task_t *task,
+		  isc_taskaction_t action, const void *arg,
+		  isc_sockaddr_t *address, struct in6_pktinfo *pktinfo)
+{
+	REQUIRE(ISCAPI_SOCKET_VALID(sock));
+
+	return (sock->methods->sendto(sock, region, task, action, arg, address,
+				      pktinfo));
+}
+
+isc_result_t
+isc_socket_connect(isc_socket_t *sock, isc_sockaddr_t *addr, isc_task_t *task,
+		   isc_taskaction_t action, const void *arg)
+{
+	REQUIRE(ISCAPI_SOCKET_VALID(sock));
+
+	return (sock->methods->connect(sock, addr, task, action, arg));
+}
+
+isc_result_t
+isc_socket_recv(isc_socket_t *sock, isc_region_t *region, unsigned int minimum,
+		isc_task_t *task, isc_taskaction_t action, const void *arg)
+{
+	REQUIRE(ISCAPI_SOCKET_VALID(sock));
+
+	return (sock->methods->recv(sock, region, minimum, task, action, arg));
+}
+
+void
+isc_socket_cancel(isc_socket_t *sock, isc_task_t *task, unsigned int how) {
+	REQUIRE(ISCAPI_SOCKET_VALID(sock));
+
+	sock->methods->cancel(sock, task, how);
+}
+
+isc_result_t
+isc_socket_getsockname(isc_socket_t *sock, isc_sockaddr_t *addressp) {
+	REQUIRE(ISCAPI_SOCKET_VALID(sock));
+
+	return (sock->methods->getsockname(sock, addressp));
+}
+
+void
+isc_socket_ipv6only(isc_socket_t *sock, isc_boolean_t yes) {
+	REQUIRE(ISCAPI_SOCKET_VALID(sock));
+
+	sock->methods->ipv6only(sock, yes);
+}
+
+isc_sockettype_t
+isc_socket_gettype(isc_socket_t *sock) {
+	REQUIRE(ISCAPI_SOCKET_VALID(sock));
+
+	return (sock->methods->gettype(sock));
+}
+
+void
+isc_socket_setname(isc_socket_t *socket, const char *name, void *tag) {
+	REQUIRE(ISCAPI_SOCKET_VALID(socket));
+
+	UNUSED(socket);		/* in case REQUIRE() is empty */
+	UNUSED(name);
+	UNUSED(tag);
+}
+
+isc_result_t
+isc_socket_fdwatchcreate(isc_socketmgr_t *manager, int fd, int flags,
+			 isc_sockfdwatch_t callback, void *cbarg,
+			 isc_task_t *task, isc_socket_t **socketp)
+{
+	REQUIRE(ISCAPI_SOCKETMGR_VALID(manager));
+
+	return (manager->methods->fdwatchcreate(manager, fd, flags,
+						callback, cbarg, task,
+						socketp));
+}
+
+isc_result_t
+isc_socket_fdwatchpoke(isc_socket_t *sock, int flags)
+{
+	REQUIRE(ISCAPI_SOCKET_VALID(sock));
+
+	return(sock->methods->fdwatchpoke(sock, flags));
+}
diff --git a/lib/isc/stats.c b/lib/isc/stats.c
index ac66bcf..e72fb54 100644
--- a/lib/isc/stats.c
+++ b/lib/isc/stats.c
@@ -14,7 +14,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: stats.c,v 1.3.6.2 2009-01-29 23:47:44 tbox Exp $ */
+/* $Id: stats.c,v 1.3 2009-01-27 23:47:54 tbox Exp $ */
 
 /*! \file */
 
diff --git a/lib/isc/task.c b/lib/isc/task.c
index 5d87f21..a9dfd1f 100644
--- a/lib/isc/task.c
+++ b/lib/isc/task.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2008, 2010  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: task.c,v 1.107.120.2 2010-12-03 23:45:47 tbox Exp $ */
+/* $Id: task.c,v 1.115.14.1.2.1 2011-06-02 23:47:36 tbox Exp $ */
 
 /*! \file
  * \author Principal Author: Bob Halley
@@ -40,9 +40,33 @@
 #include 
 #include 
 
-#ifndef ISC_PLATFORM_USETHREADS
+#ifdef OPENSSL_LEAKS
+#include 
+#endif
+
+/*%
+ * For BIND9 internal applications:
+ * when built with threads we use multiple worker threads shared by the whole
+ * application.
+ * when built without threads we share a single global task manager and use
+ * an integrated event loop for socket, timer, and other generic task events.
+ * For generic library:
+ * we don't use either of them: an application can have multiple task managers
+ * whether or not it's threaded, and if the application is threaded each thread
+ * is expected to have a separate manager; no "worker threads" are shared by
+ * the application threads.
+ */
+#ifdef BIND9
+#ifdef ISC_PLATFORM_USETHREADS
+#define USE_WORKER_THREADS
+#else
+#define USE_SHARED_MANAGER
+#endif	/* ISC_PLATFORM_USETHREADS */
+#endif	/* BIND9 */
+
+#ifndef USE_WORKER_THREADS
 #include "task_p.h"
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_WORKER_THREADS */
 
 #ifdef ISC_TASK_TRACE
 #define XTRACE(m)		fprintf(stderr, "task %p thread %lu: %s\n", \
@@ -66,7 +90,7 @@ typedef enum {
 	task_state_done
 } task_state_t;
 
-#ifdef HAVE_LIBXML2
+#if defined(HAVE_LIBXML2) && defined(BIND9)
 static const char *statenames[] = {
 	"idle", "ready", "running", "done",
 };
@@ -75,10 +99,13 @@ static const char *statenames[] = {
 #define TASK_MAGIC			ISC_MAGIC('T', 'A', 'S', 'K')
 #define VALID_TASK(t)			ISC_MAGIC_VALID(t, TASK_MAGIC)
 
-struct isc_task {
+typedef struct isc__task isc__task_t;
+typedef struct isc__taskmgr isc__taskmgr_t;
+
+struct isc__task {
 	/* Not locked. */
-	unsigned int			magic;
-	isc_taskmgr_t *			manager;
+	isc_task_t			common;
+	isc__taskmgr_t *		manager;
 	isc_mutex_t			lock;
 	/* Locked by task lock. */
 	task_state_t			state;
@@ -91,8 +118,8 @@ struct isc_task {
 	char				name[16];
 	void *				tag;
 	/* Locked by task manager lock. */
-	LINK(isc_task_t)		link;
-	LINK(isc_task_t)		ready_link;
+	LINK(isc__task_t)		link;
+	LINK(isc__task_t)		ready_link;
 };
 
 #define TASK_F_SHUTTINGDOWN		0x01
@@ -103,9 +130,11 @@ struct isc_task {
 #define TASK_MANAGER_MAGIC		ISC_MAGIC('T', 'S', 'K', 'M')
 #define VALID_MANAGER(m)		ISC_MAGIC_VALID(m, TASK_MANAGER_MAGIC)
 
-struct isc_taskmgr {
+typedef ISC_LIST(isc__task_t)	isc__tasklist_t;
+
+struct isc__taskmgr {
 	/* Not locked. */
-	unsigned int			magic;
+	isc_taskmgr_t			common;
 	isc_mem_t *			mctx;
 	isc_mutex_t			lock;
 #ifdef ISC_PLATFORM_USETHREADS
@@ -114,8 +143,8 @@ struct isc_taskmgr {
 #endif /* ISC_PLATFORM_USETHREADS */
 	/* Locked by task manager lock. */
 	unsigned int			default_quantum;
-	LIST(isc_task_t)		tasks;
-	isc_tasklist_t			ready_tasks;
+	LIST(isc__task_t)		tasks;
+	isc__tasklist_t			ready_tasks;
 #ifdef ISC_PLATFORM_USETHREADS
 	isc_condition_t			work_available;
 	isc_condition_t			exclusive_granted;
@@ -123,7 +152,7 @@ struct isc_taskmgr {
 	unsigned int			tasks_running;
 	isc_boolean_t			exclusive_requested;
 	isc_boolean_t			exiting;
-#ifndef ISC_PLATFORM_USETHREADS
+#ifdef USE_SHARED_MANAGER
 	unsigned int			refs;
 #endif /* ISC_PLATFORM_USETHREADS */
 };
@@ -132,17 +161,116 @@ struct isc_taskmgr {
 #define DEFAULT_DEFAULT_QUANTUM		5
 #define FINISHED(m)			((m)->exiting && EMPTY((m)->tasks))
 
-#ifndef ISC_PLATFORM_USETHREADS
-static isc_taskmgr_t *taskmgr = NULL;
-#endif /* ISC_PLATFORM_USETHREADS */
+#ifdef USE_SHARED_MANAGER
+static isc__taskmgr_t *taskmgr = NULL;
+#endif /* USE_SHARED_MANAGER */
+
+/*%
+ * The following can be either static or public, depending on build environment.
+ */
+
+#ifdef BIND9
+#define ISC_TASKFUNC_SCOPE
+#else
+#define ISC_TASKFUNC_SCOPE static
+#endif
+
+ISC_TASKFUNC_SCOPE isc_result_t
+isc__task_create(isc_taskmgr_t *manager0, unsigned int quantum,
+		 isc_task_t **taskp);
+ISC_TASKFUNC_SCOPE void
+isc__task_attach(isc_task_t *source0, isc_task_t **targetp);
+ISC_TASKFUNC_SCOPE void
+isc__task_detach(isc_task_t **taskp);
+ISC_TASKFUNC_SCOPE void
+isc__task_send(isc_task_t *task0, isc_event_t **eventp);
+ISC_TASKFUNC_SCOPE void
+isc__task_sendanddetach(isc_task_t **taskp, isc_event_t **eventp);
+ISC_TASKFUNC_SCOPE unsigned int
+isc__task_purgerange(isc_task_t *task0, void *sender, isc_eventtype_t first,
+		     isc_eventtype_t last, void *tag);
+ISC_TASKFUNC_SCOPE unsigned int
+isc__task_purge(isc_task_t *task, void *sender, isc_eventtype_t type,
+		void *tag);
+ISC_TASKFUNC_SCOPE isc_boolean_t
+isc__task_purgeevent(isc_task_t *task0, isc_event_t *event);
+ISC_TASKFUNC_SCOPE unsigned int
+isc__task_unsendrange(isc_task_t *task, void *sender, isc_eventtype_t first,
+		      isc_eventtype_t last, void *tag,
+		      isc_eventlist_t *events);
+ISC_TASKFUNC_SCOPE unsigned int
+isc__task_unsend(isc_task_t *task, void *sender, isc_eventtype_t type,
+		 void *tag, isc_eventlist_t *events);
+ISC_TASKFUNC_SCOPE isc_result_t
+isc__task_onshutdown(isc_task_t *task0, isc_taskaction_t action,
+		     const void *arg);
+ISC_TASKFUNC_SCOPE void
+isc__task_shutdown(isc_task_t *task0);
+ISC_TASKFUNC_SCOPE void
+isc__task_destroy(isc_task_t **taskp);
+ISC_TASKFUNC_SCOPE void
+isc__task_setname(isc_task_t *task0, const char *name, void *tag);
+ISC_TASKFUNC_SCOPE const char *
+isc__task_getname(isc_task_t *task0);
+ISC_TASKFUNC_SCOPE void *
+isc__task_gettag(isc_task_t *task0);
+ISC_TASKFUNC_SCOPE void
+isc__task_getcurrenttime(isc_task_t *task0, isc_stdtime_t *t);
+ISC_TASKFUNC_SCOPE isc_result_t
+isc__taskmgr_create(isc_mem_t *mctx, unsigned int workers,
+		    unsigned int default_quantum, isc_taskmgr_t **managerp);
+ISC_TASKFUNC_SCOPE void
+isc__taskmgr_destroy(isc_taskmgr_t **managerp);
+ISC_TASKFUNC_SCOPE isc_result_t
+isc__task_beginexclusive(isc_task_t *task);
+ISC_TASKFUNC_SCOPE void
+isc__task_endexclusive(isc_task_t *task0);
+
+static struct isc__taskmethods {
+	isc_taskmethods_t methods;
+
+	/*%
+	 * The following are defined just for avoiding unused static functions.
+	 */
+#ifndef BIND9
+	void *purgeevent, *unsendrange, *getname, *gettag, *getcurrenttime;
+#endif
+} taskmethods = {
+	{
+		isc__task_attach,
+		isc__task_detach,
+		isc__task_destroy,
+		isc__task_send,
+		isc__task_sendanddetach,
+		isc__task_unsend,
+		isc__task_onshutdown,
+		isc__task_shutdown,
+		isc__task_setname,
+		isc__task_purge,
+		isc__task_purgerange,
+		isc__task_beginexclusive,
+		isc__task_endexclusive
+	}
+#ifndef BIND9
+	,
+	(void *)isc__task_purgeevent, (void *)isc__task_unsendrange,
+	(void *)isc__task_getname, (void *)isc__task_gettag,
+	(void *)isc__task_getcurrenttime
+#endif
+};
+
+static isc_taskmgrmethods_t taskmgrmethods = {
+	isc__taskmgr_destroy,
+	isc__task_create
+};
 
 /***
  *** Tasks.
  ***/
 
 static void
-task_finished(isc_task_t *task) {
-	isc_taskmgr_t *manager = task->manager;
+task_finished(isc__task_t *task) {
+	isc__taskmgr_t *manager = task->manager;
 
 	REQUIRE(EMPTY(task->events));
 	REQUIRE(EMPTY(task->on_shutdown));
@@ -153,7 +281,7 @@ task_finished(isc_task_t *task) {
 
 	LOCK(&manager->lock);
 	UNLINK(manager->tasks, task, link);
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WORKER_THREADS
 	if (FINISHED(manager)) {
 		/*
 		 * All tasks have completed and the
@@ -163,19 +291,21 @@ task_finished(isc_task_t *task) {
 		 */
 		BROADCAST(&manager->work_available);
 	}
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_WORKER_THREADS */
 	UNLOCK(&manager->lock);
 
 	DESTROYLOCK(&task->lock);
-	task->magic = 0;
+	task->common.impmagic = 0;
+	task->common.magic = 0;
 	isc_mem_put(manager->mctx, task, sizeof(*task));
 }
 
-isc_result_t
-isc_task_create(isc_taskmgr_t *manager, unsigned int quantum,
-		isc_task_t **taskp)
+ISC_TASKFUNC_SCOPE isc_result_t
+isc__task_create(isc_taskmgr_t *manager0, unsigned int quantum,
+		 isc_task_t **taskp)
 {
-	isc_task_t *task;
+	isc__taskmgr_t *manager = (isc__taskmgr_t *)manager0;
+	isc__task_t *task;
 	isc_boolean_t exiting;
 	isc_result_t result;
 
@@ -220,14 +350,17 @@ isc_task_create(isc_taskmgr_t *manager, unsigned int quantum,
 		return (ISC_R_SHUTTINGDOWN);
 	}
 
-	task->magic = TASK_MAGIC;
-	*taskp = task;
+	task->common.methods = (isc_taskmethods_t *)&taskmethods;
+	task->common.magic = ISCAPI_TASK_MAGIC;
+	task->common.impmagic = TASK_MAGIC;
+	*taskp = (isc_task_t *)task;
 
 	return (ISC_R_SUCCESS);
 }
 
-void
-isc_task_attach(isc_task_t *source, isc_task_t **targetp) {
+ISC_TASKFUNC_SCOPE void
+isc__task_attach(isc_task_t *source0, isc_task_t **targetp) {
+	isc__task_t *source = (isc__task_t *)source0;
 
 	/*
 	 * Attach *targetp to source.
@@ -242,11 +375,11 @@ isc_task_attach(isc_task_t *source, isc_task_t **targetp) {
 	source->references++;
 	UNLOCK(&source->lock);
 
-	*targetp = source;
+	*targetp = (isc_task_t *)source;
 }
 
 static inline isc_boolean_t
-task_shutdown(isc_task_t *task) {
+task_shutdown(isc__task_t *task) {
 	isc_boolean_t was_idle = ISC_FALSE;
 	isc_event_t *event, *prev;
 
@@ -283,8 +416,8 @@ task_shutdown(isc_task_t *task) {
 }
 
 static inline void
-task_ready(isc_task_t *task) {
-	isc_taskmgr_t *manager = task->manager;
+task_ready(isc__task_t *task) {
+	isc__taskmgr_t *manager = task->manager;
 
 	REQUIRE(VALID_MANAGER(manager));
 	REQUIRE(task->state == task_state_ready);
@@ -294,15 +427,15 @@ task_ready(isc_task_t *task) {
 	LOCK(&manager->lock);
 
 	ENQUEUE(manager->ready_tasks, task, ready_link);
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WORKER_THREADS
 	SIGNAL(&manager->work_available);
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_WORKER_THREADS */
 
 	UNLOCK(&manager->lock);
 }
 
 static inline isc_boolean_t
-task_detach(isc_task_t *task) {
+task_detach(isc__task_t *task) {
 
 	/*
 	 * Caller must be holding the task lock.
@@ -330,9 +463,9 @@ task_detach(isc_task_t *task) {
 	return (ISC_FALSE);
 }
 
-void
-isc_task_detach(isc_task_t **taskp) {
-	isc_task_t *task;
+ISC_TASKFUNC_SCOPE void
+isc__task_detach(isc_task_t **taskp) {
+	isc__task_t *task;
 	isc_boolean_t was_idle;
 
 	/*
@@ -340,7 +473,7 @@ isc_task_detach(isc_task_t **taskp) {
 	 */
 
 	REQUIRE(taskp != NULL);
-	task = *taskp;
+	task = (isc__task_t *)*taskp;
 	REQUIRE(VALID_TASK(task));
 
 	XTRACE("isc_task_detach");
@@ -356,7 +489,7 @@ isc_task_detach(isc_task_t **taskp) {
 }
 
 static inline isc_boolean_t
-task_send(isc_task_t *task, isc_event_t **eventp) {
+task_send(isc__task_t *task, isc_event_t **eventp) {
 	isc_boolean_t was_idle = ISC_FALSE;
 	isc_event_t *event;
 
@@ -385,8 +518,9 @@ task_send(isc_task_t *task, isc_event_t **eventp) {
 	return (was_idle);
 }
 
-void
-isc_task_send(isc_task_t *task, isc_event_t **eventp) {
+ISC_TASKFUNC_SCOPE void
+isc__task_send(isc_task_t *task0, isc_event_t **eventp) {
+	isc__task_t *task = (isc__task_t *)task0;
 	isc_boolean_t was_idle;
 
 	/*
@@ -426,10 +560,10 @@ isc_task_send(isc_task_t *task, isc_event_t **eventp) {
 	}
 }
 
-void
-isc_task_sendanddetach(isc_task_t **taskp, isc_event_t **eventp) {
+ISC_TASKFUNC_SCOPE void
+isc__task_sendanddetach(isc_task_t **taskp, isc_event_t **eventp) {
 	isc_boolean_t idle1, idle2;
-	isc_task_t *task;
+	isc__task_t *task;
 
 	/*
 	 * Send '*event' to '*taskp' and then detach '*taskp' from its
@@ -437,7 +571,7 @@ isc_task_sendanddetach(isc_task_t **taskp, isc_event_t **eventp) {
 	 */
 
 	REQUIRE(taskp != NULL);
-	task = *taskp;
+	task = (isc__task_t *)*taskp;
 	REQUIRE(VALID_TASK(task));
 
 	XTRACE("isc_task_sendanddetach");
@@ -463,7 +597,7 @@ isc_task_sendanddetach(isc_task_t **taskp, isc_event_t **eventp) {
 #define PURGE_OK(event)	(((event)->ev_attributes & ISC_EVENTATTR_NOPURGE) == 0)
 
 static unsigned int
-dequeue_events(isc_task_t *task, void *sender, isc_eventtype_t first,
+dequeue_events(isc__task_t *task, void *sender, isc_eventtype_t first,
 	       isc_eventtype_t last, void *tag,
 	       isc_eventlist_t *events, isc_boolean_t purging)
 {
@@ -502,10 +636,11 @@ dequeue_events(isc_task_t *task, void *sender, isc_eventtype_t first,
 	return (count);
 }
 
-unsigned int
-isc_task_purgerange(isc_task_t *task, void *sender, isc_eventtype_t first,
-		    isc_eventtype_t last, void *tag)
+ISC_TASKFUNC_SCOPE unsigned int
+isc__task_purgerange(isc_task_t *task0, void *sender, isc_eventtype_t first,
+		     isc_eventtype_t last, void *tag)
 {
+	isc__task_t *task = (isc__task_t *)task0;
 	unsigned int count;
 	isc_eventlist_t events;
 	isc_event_t *event, *next_event;
@@ -533,9 +668,9 @@ isc_task_purgerange(isc_task_t *task, void *sender, isc_eventtype_t first,
 	return (count);
 }
 
-unsigned int
-isc_task_purge(isc_task_t *task, void *sender, isc_eventtype_t type,
-	       void *tag)
+ISC_TASKFUNC_SCOPE unsigned int
+isc__task_purge(isc_task_t *task, void *sender, isc_eventtype_t type,
+		void *tag)
 {
 	/*
 	 * Purge events from a task's event queue.
@@ -543,11 +678,12 @@ isc_task_purge(isc_task_t *task, void *sender, isc_eventtype_t type,
 
 	XTRACE("isc_task_purge");
 
-	return (isc_task_purgerange(task, sender, type, type, tag));
+	return (isc__task_purgerange(task, sender, type, type, tag));
 }
 
-isc_boolean_t
-isc_task_purgeevent(isc_task_t *task, isc_event_t *event) {
+ISC_TASKFUNC_SCOPE isc_boolean_t
+isc__task_purgeevent(isc_task_t *task0, isc_event_t *event) {
+	isc__task_t *task = (isc__task_t *)task0;
 	isc_event_t *curr_event, *next_event;
 
 	/*
@@ -588,10 +724,10 @@ isc_task_purgeevent(isc_task_t *task, isc_event_t *event) {
 	return (ISC_TRUE);
 }
 
-unsigned int
-isc_task_unsendrange(isc_task_t *task, void *sender, isc_eventtype_t first,
-		     isc_eventtype_t last, void *tag,
-		     isc_eventlist_t *events)
+ISC_TASKFUNC_SCOPE unsigned int
+isc__task_unsendrange(isc_task_t *task, void *sender, isc_eventtype_t first,
+		      isc_eventtype_t last, void *tag,
+		      isc_eventlist_t *events)
 {
 	/*
 	 * Remove events from a task's event queue.
@@ -599,13 +735,13 @@ isc_task_unsendrange(isc_task_t *task, void *sender, isc_eventtype_t first,
 
 	XTRACE("isc_task_unsendrange");
 
-	return (dequeue_events(task, sender, first, last, tag, events,
-			       ISC_FALSE));
+	return (dequeue_events((isc__task_t *)task, sender, first,
+			       last, tag, events, ISC_FALSE));
 }
 
-unsigned int
-isc_task_unsend(isc_task_t *task, void *sender, isc_eventtype_t type,
-		void *tag, isc_eventlist_t *events)
+ISC_TASKFUNC_SCOPE unsigned int
+isc__task_unsend(isc_task_t *task, void *sender, isc_eventtype_t type,
+		 void *tag, isc_eventlist_t *events)
 {
 	/*
 	 * Remove events from a task's event queue.
@@ -613,13 +749,15 @@ isc_task_unsend(isc_task_t *task, void *sender, isc_eventtype_t type,
 
 	XTRACE("isc_task_unsend");
 
-	return (dequeue_events(task, sender, type, type, tag, events,
-			       ISC_FALSE));
+	return (dequeue_events((isc__task_t *)task, sender, type,
+			       type, tag, events, ISC_FALSE));
 }
 
-isc_result_t
-isc_task_onshutdown(isc_task_t *task, isc_taskaction_t action, const void *arg)
+ISC_TASKFUNC_SCOPE isc_result_t
+isc__task_onshutdown(isc_task_t *task0, isc_taskaction_t action,
+		     const void *arg)
 {
+	isc__task_t *task = (isc__task_t *)task0;
 	isc_boolean_t disallowed = ISC_FALSE;
 	isc_result_t result = ISC_R_SUCCESS;
 	isc_event_t *event;
@@ -655,8 +793,9 @@ isc_task_onshutdown(isc_task_t *task, isc_taskaction_t action, const void *arg)
 	return (result);
 }
 
-void
-isc_task_shutdown(isc_task_t *task) {
+ISC_TASKFUNC_SCOPE void
+isc__task_shutdown(isc_task_t *task0) {
+	isc__task_t *task = (isc__task_t *)task0;
 	isc_boolean_t was_idle;
 
 	/*
@@ -673,8 +812,8 @@ isc_task_shutdown(isc_task_t *task) {
 		task_ready(task);
 }
 
-void
-isc_task_destroy(isc_task_t **taskp) {
+ISC_TASKFUNC_SCOPE void
+isc__task_destroy(isc_task_t **taskp) {
 
 	/*
 	 * Destroy '*taskp'.
@@ -686,8 +825,9 @@ isc_task_destroy(isc_task_t **taskp) {
 	isc_task_detach(taskp);
 }
 
-void
-isc_task_setname(isc_task_t *task, const char *name, void *tag) {
+ISC_TASKFUNC_SCOPE void
+isc__task_setname(isc_task_t *task0, const char *name, void *tag) {
+	isc__task_t *task = (isc__task_t *)task0;
 
 	/*
 	 * Name 'task'.
@@ -702,18 +842,28 @@ isc_task_setname(isc_task_t *task, const char *name, void *tag) {
 	UNLOCK(&task->lock);
 }
 
-const char *
-isc_task_getname(isc_task_t *task) {
+ISC_TASKFUNC_SCOPE const char *
+isc__task_getname(isc_task_t *task0) {
+	isc__task_t *task = (isc__task_t *)task0;
+
+	REQUIRE(VALID_TASK(task));
+
 	return (task->name);
 }
 
-void *
-isc_task_gettag(isc_task_t *task) {
+ISC_TASKFUNC_SCOPE void *
+isc__task_gettag(isc_task_t *task0) {
+	isc__task_t *task = (isc__task_t *)task0;
+
+	REQUIRE(VALID_TASK(task));
+
 	return (task->tag);
 }
 
-void
-isc_task_getcurrenttime(isc_task_t *task, isc_stdtime_t *t) {
+ISC_TASKFUNC_SCOPE void
+isc__task_getcurrenttime(isc_task_t *task0, isc_stdtime_t *t) {
+	isc__task_t *task = (isc__task_t *)task0;
+
 	REQUIRE(VALID_TASK(task));
 	REQUIRE(t != NULL);
 
@@ -728,12 +878,12 @@ isc_task_getcurrenttime(isc_task_t *task, isc_stdtime_t *t) {
  *** Task Manager.
  ***/
 static void
-dispatch(isc_taskmgr_t *manager) {
-	isc_task_t *task;
-#ifndef ISC_PLATFORM_USETHREADS
+dispatch(isc__taskmgr_t *manager) {
+	isc__task_t *task;
+#ifndef USE_WORKER_THREADS
 	unsigned int total_dispatch_count = 0;
-	isc_tasklist_t ready_tasks;
-#endif /* ISC_PLATFORM_USETHREADS */
+	isc__tasklist_t ready_tasks;
+#endif /* USE_WORKER_THREADS */
 
 	REQUIRE(VALID_MANAGER(manager));
 
@@ -787,12 +937,12 @@ dispatch(isc_taskmgr_t *manager) {
 	 * unlocks.  The while expression is always protected by the lock.
 	 */
 
-#ifndef ISC_PLATFORM_USETHREADS
+#ifndef USE_WORKER_THREADS
 	ISC_LIST_INIT(ready_tasks);
 #endif
 	LOCK(&manager->lock);
 	while (!FINISHED(manager)) {
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WORKER_THREADS
 		/*
 		 * For reasons similar to those given in the comment in
 		 * isc_task_send() above, it is safe for us to dequeue
@@ -812,11 +962,11 @@ dispatch(isc_taskmgr_t *manager) {
 						    ISC_MSGSET_TASK,
 						    ISC_MSG_AWAKE, "awake"));
 		}
-#else /* ISC_PLATFORM_USETHREADS */
+#else /* USE_WORKER_THREADS */
 		if (total_dispatch_count >= DEFAULT_TASKMGR_QUANTUM ||
 		    EMPTY(manager->ready_tasks))
 			break;
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_WORKER_THREADS */
 		XTHREADTRACE(isc_msgcat_get(isc_msgcat, ISC_MSGSET_TASK,
 					    ISC_MSG_WORKING, "working"));
 
@@ -859,13 +1009,15 @@ dispatch(isc_taskmgr_t *manager) {
 							    "execute action"));
 					if (event->ev_action != NULL) {
 						UNLOCK(&task->lock);
-						(event->ev_action)(task,event);
+						(event->ev_action)(
+							(isc_task_t *)task,
+							event);
 						LOCK(&task->lock);
 					}
 					dispatch_count++;
-#ifndef ISC_PLATFORM_USETHREADS
+#ifndef USE_WORKER_THREADS
 					total_dispatch_count++;
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_WORKER_THREADS */
 				}
 
 				if (task->references == 0 &&
@@ -950,12 +1102,12 @@ dispatch(isc_taskmgr_t *manager) {
 
 			LOCK(&manager->lock);
 			manager->tasks_running--;
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WORKER_THREADS
 			if (manager->exclusive_requested &&
 			    manager->tasks_running == 1) {
 				SIGNAL(&manager->exclusive_granted);
 			}
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_WORKER_THREADS */
 			if (requeue) {
 				/*
 				 * We know we're awake, so we don't have
@@ -976,7 +1128,7 @@ dispatch(isc_taskmgr_t *manager) {
 				 * were usually nonempty, the 'optimization'
 				 * might even hurt rather than help.
 				 */
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WORKER_THREADS
 				ENQUEUE(manager->ready_tasks, task,
 					ready_link);
 #else
@@ -985,19 +1137,19 @@ dispatch(isc_taskmgr_t *manager) {
 			}
 		}
 	}
-#ifndef ISC_PLATFORM_USETHREADS
+#ifndef USE_WORKER_THREADS
 	ISC_LIST_APPENDLIST(manager->ready_tasks, ready_tasks, ready_link);
 #endif
 	UNLOCK(&manager->lock);
 }
 
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WORKER_THREADS
 static isc_threadresult_t
 #ifdef _WIN32
 WINAPI
 #endif
 run(void *uap) {
-	isc_taskmgr_t *manager = uap;
+	isc__taskmgr_t *manager = uap;
 
 	XTHREADTRACE(isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL,
 				    ISC_MSG_STARTING, "starting"));
@@ -1007,33 +1159,42 @@ run(void *uap) {
 	XTHREADTRACE(isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL,
 				    ISC_MSG_EXITING, "exiting"));
 
+#ifdef OPENSSL_LEAKS
+	ERR_remove_state(0);
+#endif
+
 	return ((isc_threadresult_t)0);
 }
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_WORKER_THREADS */
 
 static void
-manager_free(isc_taskmgr_t *manager) {
+manager_free(isc__taskmgr_t *manager) {
 	isc_mem_t *mctx;
 
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WORKER_THREADS
 	(void)isc_condition_destroy(&manager->exclusive_granted);
 	(void)isc_condition_destroy(&manager->work_available);
 	isc_mem_free(manager->mctx, manager->threads);
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_WORKER_THREADS */
 	DESTROYLOCK(&manager->lock);
-	manager->magic = 0;
+	manager->common.impmagic = 0;
+	manager->common.magic = 0;
 	mctx = manager->mctx;
 	isc_mem_put(mctx, manager, sizeof(*manager));
 	isc_mem_detach(&mctx);
+
+#ifdef USE_SHARED_MANAGER
+	taskmgr = NULL;
+#endif	/* USE_SHARED_MANAGER */
 }
 
-isc_result_t
-isc_taskmgr_create(isc_mem_t *mctx, unsigned int workers,
-		   unsigned int default_quantum, isc_taskmgr_t **managerp)
+ISC_TASKFUNC_SCOPE isc_result_t
+isc__taskmgr_create(isc_mem_t *mctx, unsigned int workers,
+		    unsigned int default_quantum, isc_taskmgr_t **managerp)
 {
 	isc_result_t result;
 	unsigned int i, started = 0;
-	isc_taskmgr_t *manager;
+	isc__taskmgr_t *manager;
 
 	/*
 	 * Create a new task manager.
@@ -1042,28 +1203,33 @@ isc_taskmgr_create(isc_mem_t *mctx, unsigned int workers,
 	REQUIRE(workers > 0);
 	REQUIRE(managerp != NULL && *managerp == NULL);
 
-#ifndef ISC_PLATFORM_USETHREADS
+#ifndef USE_WORKER_THREADS
 	UNUSED(i);
 	UNUSED(started);
-	UNUSED(workers);
+#endif
 
+#ifdef USE_SHARED_MANAGER
 	if (taskmgr != NULL) {
+		if (taskmgr->refs == 0)
+			return (ISC_R_SHUTTINGDOWN);
 		taskmgr->refs++;
-		*managerp = taskmgr;
+		*managerp = (isc_taskmgr_t *)taskmgr;
 		return (ISC_R_SUCCESS);
 	}
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_SHARED_MANAGER */
 
 	manager = isc_mem_get(mctx, sizeof(*manager));
 	if (manager == NULL)
 		return (ISC_R_NOMEMORY);
-	manager->magic = TASK_MANAGER_MAGIC;
+	manager->common.methods = &taskmgrmethods;
+	manager->common.impmagic = TASK_MANAGER_MAGIC;
+	manager->common.magic = ISCAPI_TASKMGR_MAGIC;
 	manager->mctx = NULL;
 	result = isc_mutex_init(&manager->lock);
 	if (result != ISC_R_SUCCESS)
 		goto cleanup_mgr;
 
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WORKER_THREADS
 	manager->workers = 0;
 	manager->threads = isc_mem_allocate(mctx,
 					    workers * sizeof(isc_thread_t));
@@ -1087,7 +1253,7 @@ isc_taskmgr_create(isc_mem_t *mctx, unsigned int workers,
 		result = ISC_R_UNEXPECTED;
 		goto cleanup_workavailable;
 	}
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_WORKER_THREADS */
 	if (default_quantum == 0)
 		default_quantum = DEFAULT_DEFAULT_QUANTUM;
 	manager->default_quantum = default_quantum;
@@ -1099,7 +1265,7 @@ isc_taskmgr_create(isc_mem_t *mctx, unsigned int workers,
 
 	isc_mem_attach(mctx, &manager->mctx);
 
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WORKER_THREADS
 	LOCK(&manager->lock);
 	/*
 	 * Start workers.
@@ -1119,16 +1285,17 @@ isc_taskmgr_create(isc_mem_t *mctx, unsigned int workers,
 		return (ISC_R_NOTHREADS);
 	}
 	isc_thread_setconcurrency(workers);
-#else /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_WORKER_THREADS */
+#ifdef USE_SHARED_MANAGER
 	manager->refs = 1;
 	taskmgr = manager;
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_SHARED_MANAGER */
 
-	*managerp = manager;
+	*managerp = (isc_taskmgr_t *)manager;
 
 	return (ISC_R_SUCCESS);
 
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WORKER_THREADS
  cleanup_workavailable:
 	(void)isc_condition_destroy(&manager->work_available);
  cleanup_threads:
@@ -1141,10 +1308,10 @@ isc_taskmgr_create(isc_mem_t *mctx, unsigned int workers,
 	return (result);
 }
 
-void
-isc_taskmgr_destroy(isc_taskmgr_t **managerp) {
-	isc_taskmgr_t *manager;
-	isc_task_t *task;
+ISC_TASKFUNC_SCOPE void
+isc__taskmgr_destroy(isc_taskmgr_t **managerp) {
+	isc__taskmgr_t *manager;
+	isc__task_t *task;
 	unsigned int i;
 
 	/*
@@ -1152,18 +1319,20 @@ isc_taskmgr_destroy(isc_taskmgr_t **managerp) {
 	 */
 
 	REQUIRE(managerp != NULL);
-	manager = *managerp;
+	manager = (isc__taskmgr_t *)*managerp;
 	REQUIRE(VALID_MANAGER(manager));
 
-#ifndef ISC_PLATFORM_USETHREADS
+#ifndef USE_WORKER_THREADS
 	UNUSED(i);
+#endif /* USE_WORKER_THREADS */
 
-	if (manager->refs > 1) {
-		manager->refs--;
+#ifdef USE_SHARED_MANAGER
+	manager->refs--;
+	if (manager->refs > 0) {
 		*managerp = NULL;
 		return;
 	}
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif
 
 	XTHREADTRACE("isc_taskmgr_destroy");
 	/*
@@ -1203,7 +1372,7 @@ isc_taskmgr_destroy(isc_taskmgr_t **managerp) {
 			ENQUEUE(manager->ready_tasks, task, ready_link);
 		UNLOCK(&task->lock);
 	}
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WORKER_THREADS
 	/*
 	 * Wake up any sleeping workers.  This ensures we get work done if
 	 * there's work left to do, and if there are already no tasks left
@@ -1217,36 +1386,51 @@ isc_taskmgr_destroy(isc_taskmgr_t **managerp) {
 	 */
 	for (i = 0; i < manager->workers; i++)
 		(void)isc_thread_join(manager->threads[i], NULL);
-#else /* ISC_PLATFORM_USETHREADS */
+#else /* USE_WORKER_THREADS */
 	/*
 	 * Dispatch the shutdown events.
 	 */
 	UNLOCK(&manager->lock);
-	while (isc__taskmgr_ready())
-		(void)isc__taskmgr_dispatch();
+	while (isc__taskmgr_ready((isc_taskmgr_t *)manager))
+		(void)isc__taskmgr_dispatch((isc_taskmgr_t *)manager);
+#ifdef BIND9
 	if (!ISC_LIST_EMPTY(manager->tasks))
 		isc_mem_printallactive(stderr);
+#endif
 	INSIST(ISC_LIST_EMPTY(manager->tasks));
-#endif /* ISC_PLATFORM_USETHREADS */
+#ifdef USE_SHARED_MANAGER
+	taskmgr = NULL;
+#endif
+#endif /* USE_WORKER_THREADS */
 
 	manager_free(manager);
 
 	*managerp = NULL;
 }
 
-#ifndef ISC_PLATFORM_USETHREADS
+#ifndef USE_WORKER_THREADS
 isc_boolean_t
-isc__taskmgr_ready(void) {
-	if (taskmgr == NULL)
+isc__taskmgr_ready(isc_taskmgr_t *manager0) {
+	isc__taskmgr_t *manager = (isc__taskmgr_t *)manager0;
+
+#ifdef USE_SHARED_MANAGER
+	if (manager == NULL)
+		manager = taskmgr;
+#endif
+	if (manager == NULL)
 		return (ISC_FALSE);
-	return (ISC_TF(!ISC_LIST_EMPTY(taskmgr->ready_tasks)));
+	return (ISC_TF(!ISC_LIST_EMPTY(manager->ready_tasks)));
 }
 
 isc_result_t
-isc__taskmgr_dispatch(void) {
-	isc_taskmgr_t *manager = taskmgr;
+isc__taskmgr_dispatch(isc_taskmgr_t *manager0) {
+	isc__taskmgr_t *manager = (isc__taskmgr_t *)manager0;
 
-	if (taskmgr == NULL)
+#ifdef USE_SHARED_MANAGER
+	if (manager == NULL)
+		manager = taskmgr;
+#endif
+	if (manager == NULL)
 		return (ISC_R_NOTFOUND);
 
 	dispatch(manager);
@@ -1254,12 +1438,13 @@ isc__taskmgr_dispatch(void) {
 	return (ISC_R_SUCCESS);
 }
 
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_WORKER_THREADS */
 
-isc_result_t
-isc_task_beginexclusive(isc_task_t *task) {
-#ifdef ISC_PLATFORM_USETHREADS
-	isc_taskmgr_t *manager = task->manager;
+ISC_TASKFUNC_SCOPE isc_result_t
+isc__task_beginexclusive(isc_task_t *task0) {
+#ifdef USE_WORKER_THREADS
+	isc__task_t *task = (isc__task_t *)task0;
+	isc__taskmgr_t *manager = task->manager;
 	REQUIRE(task->state == task_state_running);
 	LOCK(&manager->lock);
 	if (manager->exclusive_requested) {
@@ -1272,15 +1457,17 @@ isc_task_beginexclusive(isc_task_t *task) {
 	}
 	UNLOCK(&manager->lock);
 #else
-	UNUSED(task);
+	UNUSED(task0);
 #endif
 	return (ISC_R_SUCCESS);
 }
 
-void
-isc_task_endexclusive(isc_task_t *task) {
-#ifdef ISC_PLATFORM_USETHREADS
-	isc_taskmgr_t *manager = task->manager;
+ISC_TASKFUNC_SCOPE void
+isc__task_endexclusive(isc_task_t *task0) {
+#ifdef USE_WORKER_THREADS
+	isc__task_t *task = (isc__task_t *)task0;
+	isc__taskmgr_t *manager = task->manager;
+
 	REQUIRE(task->state == task_state_running);
 	LOCK(&manager->lock);
 	REQUIRE(manager->exclusive_requested);
@@ -1288,23 +1475,31 @@ isc_task_endexclusive(isc_task_t *task) {
 	BROADCAST(&manager->work_available);
 	UNLOCK(&manager->lock);
 #else
-	UNUSED(task);
+	UNUSED(task0);
 #endif
 }
 
+#ifdef USE_SOCKETIMPREGISTER
+isc_result_t
+isc__task_register() {
+	return (isc_task_register(isc__taskmgr_create));
+}
+#endif
+
 isc_boolean_t
 isc_task_exiting(isc_task_t *t) {
-	isc_task_t *task = (isc_task_t *)t;
+	isc__task_t *task = (isc__task_t *)t;
 
 	REQUIRE(VALID_TASK(task));
 	return (TASK_SHUTTINGDOWN(task));
 }
 
-#ifdef HAVE_LIBXML2
+
+#if defined(HAVE_LIBXML2) && defined(BIND9)
 void
-isc_taskmgr_renderxml(isc_taskmgr_t *mgr, xmlTextWriterPtr writer)
-{
-	isc_task_t *task;
+isc_taskmgr_renderxml(isc_taskmgr_t *mgr0, xmlTextWriterPtr writer) {
+	isc__taskmgr_t *mgr = (isc__taskmgr_t *)mgr0;
+	isc__task_t *task;
 
 	LOCK(&mgr->lock);
 
@@ -1380,4 +1575,4 @@ isc_taskmgr_renderxml(isc_taskmgr_t *mgr, xmlTextWriterPtr writer)
 
 	UNLOCK(&mgr->lock);
 }
-#endif /* HAVE_LIBXML2 */
+#endif /* HAVE_LIBXML2 && BIND9 */
diff --git a/lib/isc/task_api.c b/lib/isc/task_api.c
new file mode 100644
index 0000000..4e03db2
--- /dev/null
+++ b/lib/isc/task_api.c
@@ -0,0 +1,216 @@
+/*
+ * Copyright (C) 2009, 2010  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: task_api.c,v 1.7 2010-12-22 23:46:59 tbox Exp $ */
+
+#include 
+
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+static isc_mutex_t createlock;
+static isc_once_t once = ISC_ONCE_INIT;
+static isc_taskmgrcreatefunc_t taskmgr_createfunc = NULL;
+
+static void
+initialize(void) {
+	RUNTIME_CHECK(isc_mutex_init(&createlock) == ISC_R_SUCCESS);
+}
+
+isc_result_t
+isc_task_register(isc_taskmgrcreatefunc_t createfunc) {
+	isc_result_t result = ISC_R_SUCCESS;
+
+	RUNTIME_CHECK(isc_once_do(&once, initialize) == ISC_R_SUCCESS);
+
+	LOCK(&createlock);
+	if (taskmgr_createfunc == NULL)
+		taskmgr_createfunc = createfunc;
+	else
+		result = ISC_R_EXISTS;
+	UNLOCK(&createlock);
+
+	return (result);
+}
+
+isc_result_t
+isc_taskmgr_createinctx(isc_mem_t *mctx, isc_appctx_t *actx,
+			unsigned int workers, unsigned int default_quantum,
+			isc_taskmgr_t **managerp)
+{
+	isc_result_t result;
+
+	LOCK(&createlock);
+
+	REQUIRE(taskmgr_createfunc != NULL);
+	result = (*taskmgr_createfunc)(mctx, workers, default_quantum,
+				       managerp);
+
+	UNLOCK(&createlock);
+
+	if (result == ISC_R_SUCCESS)
+		isc_appctx_settaskmgr(actx, *managerp);
+
+	return (result);
+}
+
+isc_result_t
+isc_taskmgr_create(isc_mem_t *mctx, unsigned int workers,
+		   unsigned int default_quantum, isc_taskmgr_t **managerp)
+{
+	isc_result_t result;
+
+	LOCK(&createlock);
+
+	REQUIRE(taskmgr_createfunc != NULL);
+	result = (*taskmgr_createfunc)(mctx, workers, default_quantum,
+				       managerp);
+
+	UNLOCK(&createlock);
+
+	return (result);
+}
+
+void
+isc_taskmgr_destroy(isc_taskmgr_t **managerp) {
+	REQUIRE(managerp != NULL && ISCAPI_TASKMGR_VALID(*managerp));
+
+	(*managerp)->methods->destroy(managerp);
+
+	ENSURE(*managerp == NULL);
+}
+
+isc_result_t
+isc_task_create(isc_taskmgr_t *manager, unsigned int quantum,
+		isc_task_t **taskp)
+{
+	REQUIRE(ISCAPI_TASKMGR_VALID(manager));
+	REQUIRE(taskp != NULL && *taskp == NULL);
+
+	return (manager->methods->taskcreate(manager, quantum, taskp));
+}
+
+void
+isc_task_attach(isc_task_t *source, isc_task_t **targetp) {
+	REQUIRE(ISCAPI_TASK_VALID(source));
+	REQUIRE(targetp != NULL && *targetp == NULL);
+
+	source->methods->attach(source, targetp);
+
+	ENSURE(*targetp == source);
+}
+
+void
+isc_task_detach(isc_task_t **taskp) {
+	REQUIRE(taskp != NULL && ISCAPI_TASK_VALID(*taskp));
+
+	(*taskp)->methods->detach(taskp);
+
+	ENSURE(*taskp == NULL);
+}
+
+void
+isc_task_send(isc_task_t *task, isc_event_t **eventp) {
+	REQUIRE(ISCAPI_TASK_VALID(task));
+	REQUIRE(eventp != NULL && *eventp != NULL);
+
+	task->methods->send(task, eventp);
+
+	ENSURE(*eventp == NULL);
+}
+
+void
+isc_task_sendanddetach(isc_task_t **taskp, isc_event_t **eventp) {
+	REQUIRE(taskp != NULL && ISCAPI_TASK_VALID(*taskp));
+	REQUIRE(eventp != NULL && *eventp != NULL);
+
+	(*taskp)->methods->sendanddetach(taskp, eventp);
+
+	ENSURE(*taskp == NULL && *eventp == NULL);
+}
+
+unsigned int
+isc_task_unsend(isc_task_t *task, void *sender, isc_eventtype_t type,
+		void *tag, isc_eventlist_t *events)
+{
+	REQUIRE(ISCAPI_TASK_VALID(task));
+
+	return (task->methods->unsend(task, sender, type, tag, events));
+}
+
+isc_result_t
+isc_task_onshutdown(isc_task_t *task, isc_taskaction_t action, const void *arg)
+{
+	REQUIRE(ISCAPI_TASK_VALID(task));
+
+	return (task->methods->onshutdown(task, action, arg));
+}
+
+void
+isc_task_shutdown(isc_task_t *task) {
+	REQUIRE(ISCAPI_TASK_VALID(task));
+
+	task->methods->shutdown(task);
+}
+
+void
+isc_task_setname(isc_task_t *task, const char *name, void *tag) {
+	REQUIRE(ISCAPI_TASK_VALID(task));
+
+	task->methods->setname(task, name, tag);
+}
+
+unsigned int
+isc_task_purge(isc_task_t *task, void *sender, isc_eventtype_t type, void *tag)
+{
+	REQUIRE(ISCAPI_TASK_VALID(task));
+
+	return (task->methods->purgeevents(task, sender, type, tag));
+}
+
+isc_result_t
+isc_task_beginexclusive(isc_task_t *task) {
+	REQUIRE(ISCAPI_TASK_VALID(task));
+
+	return (task->methods->beginexclusive(task));
+}
+
+void
+isc_task_endexclusive(isc_task_t *task) {
+	REQUIRE(ISCAPI_TASK_VALID(task));
+
+	task->methods->endexclusive(task);
+}
+
+
+/*%
+ * This is necessary for libisc's internal timer implementation.  Other
+ * implementation might skip implementing this.
+ */
+unsigned int
+isc_task_purgerange(isc_task_t *task, void *sender, isc_eventtype_t first,
+		    isc_eventtype_t last, void *tag)
+{
+	REQUIRE(ISCAPI_TASK_VALID(task));
+
+	return (task->methods->purgerange(task, sender, first, last, tag));
+}
diff --git a/lib/isc/task_p.h b/lib/isc/task_p.h
index 7bf208a..1bcdca6 100644
--- a/lib/isc/task_p.h
+++ b/lib/isc/task_p.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: task_p.h,v 1.11 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: task_p.h,v 1.13 2009-09-02 23:48:02 tbox Exp $ */
 
 #ifndef ISC_TASK_P_H
 #define ISC_TASK_P_H
@@ -23,9 +23,9 @@
 /*! \file */
 
 isc_boolean_t
-isc__taskmgr_ready(void);
+isc__taskmgr_ready(isc_taskmgr_t *taskmgr);
 
 isc_result_t
-isc__taskmgr_dispatch(void);
+isc__taskmgr_dispatch(isc_taskmgr_t *taskmgr);
 
 #endif /* ISC_TASK_P_H */
diff --git a/lib/isc/timer.c b/lib/isc/timer.c
index 6342688..ab89cdd 100644
--- a/lib/isc/timer.c
+++ b/lib/isc/timer.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007-2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007-2009, 2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: timer.c,v 1.84.58.4 2009-01-23 23:47:21 tbox Exp $ */
+/* $Id: timer.c,v 1.95.302.1.2.1 2011-06-02 23:47:36 tbox Exp $ */
 
 /*! \file */
 
@@ -34,9 +34,22 @@
 #include 
 #include 
 
-#ifndef ISC_PLATFORM_USETHREADS
+#ifdef OPENSSL_LEAKS
+#include 
+#endif
+
+/* See task.c about the following definition: */
+#ifdef BIND9
+#ifdef ISC_PLATFORM_USETHREADS
+#define USE_TIMER_THREAD
+#else
+#define USE_SHARED_MANAGER
+#endif	/* ISC_PLATFORM_USETHREADS */
+#endif	/* BIND9 */
+
+#ifndef USE_TIMER_THREAD
 #include "timer_p.h"
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_TIMER_THREAD */
 
 #ifdef ISC_TIMER_TRACE
 #define XTRACE(s)			fprintf(stderr, "%s\n", (s))
@@ -58,10 +71,13 @@
 #define TIMER_MAGIC			ISC_MAGIC('T', 'I', 'M', 'R')
 #define VALID_TIMER(t)			ISC_MAGIC_VALID(t, TIMER_MAGIC)
 
-struct isc_timer {
+typedef struct isc__timer isc__timer_t;
+typedef struct isc__timermgr isc__timermgr_t;
+
+struct isc__timer {
 	/*! Not locked. */
-	unsigned int			magic;
-	isc_timermgr_t *		manager;
+	isc_timer_t			common;
+	isc__timermgr_t *		manager;
 	isc_mutex_t			lock;
 	/*! Locked by timer lock. */
 	unsigned int			references;
@@ -75,45 +91,119 @@ struct isc_timer {
 	void *				arg;
 	unsigned int			index;
 	isc_time_t			due;
-	LINK(isc_timer_t)		link;
+	LINK(isc__timer_t)		link;
 };
 
 #define TIMER_MANAGER_MAGIC		ISC_MAGIC('T', 'I', 'M', 'M')
 #define VALID_MANAGER(m)		ISC_MAGIC_VALID(m, TIMER_MANAGER_MAGIC)
 
-struct isc_timermgr {
+struct isc__timermgr {
 	/* Not locked. */
-	unsigned int			magic;
+	isc_timermgr_t			common;
 	isc_mem_t *			mctx;
 	isc_mutex_t			lock;
 	/* Locked by manager lock. */
 	isc_boolean_t			done;
-	LIST(isc_timer_t)		timers;
+	LIST(isc__timer_t)		timers;
 	unsigned int			nscheduled;
 	isc_time_t			due;
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_TIMER_THREAD
 	isc_condition_t			wakeup;
 	isc_thread_t			thread;
-#else /* ISC_PLATFORM_USETHREADS */
+#endif	/* USE_TIMER_THREAD */
+#ifdef USE_SHARED_MANAGER
 	unsigned int			refs;
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_SHARED_MANAGER */
 	isc_heap_t *			heap;
 };
 
-#ifndef ISC_PLATFORM_USETHREADS
+/*%
+ * The followings can be either static or public, depending on build
+ * environment.
+ */
+
+#ifdef BIND9
+#define ISC_TIMERFUNC_SCOPE
+#else
+#define ISC_TIMERFUNC_SCOPE static
+#endif
+
+ISC_TIMERFUNC_SCOPE isc_result_t
+isc__timer_create(isc_timermgr_t *manager, isc_timertype_t type,
+		  isc_time_t *expires, isc_interval_t *interval,
+		  isc_task_t *task, isc_taskaction_t action, const void *arg,
+		  isc_timer_t **timerp);
+ISC_TIMERFUNC_SCOPE isc_result_t
+isc__timer_reset(isc_timer_t *timer, isc_timertype_t type,
+		 isc_time_t *expires, isc_interval_t *interval,
+		 isc_boolean_t purge);
+ISC_TIMERFUNC_SCOPE isc_timertype_t
+isc__timer_gettype(isc_timer_t *timer);
+ISC_TIMERFUNC_SCOPE isc_result_t
+isc__timer_touch(isc_timer_t *timer);
+ISC_TIMERFUNC_SCOPE void
+isc__timer_attach(isc_timer_t *timer0, isc_timer_t **timerp);
+ISC_TIMERFUNC_SCOPE void
+isc__timer_detach(isc_timer_t **timerp);
+ISC_TIMERFUNC_SCOPE isc_result_t
+isc__timermgr_create(isc_mem_t *mctx, isc_timermgr_t **managerp);
+ISC_TIMERFUNC_SCOPE void
+isc__timermgr_poke(isc_timermgr_t *manager0);
+ISC_TIMERFUNC_SCOPE void
+isc__timermgr_destroy(isc_timermgr_t **managerp);
+
+static struct isc__timermethods {
+	isc_timermethods_t methods;
+
+	/*%
+	 * The following are defined just for avoiding unused static functions.
+	 */
+#ifndef BIND9
+	void *gettype;
+#endif
+} timermethods = {
+	{
+		isc__timer_attach,
+		isc__timer_detach,
+		isc__timer_reset,
+		isc__timer_touch
+	}
+#ifndef BIND9
+	,
+	(void *)isc__timer_gettype
+#endif
+};
+
+static struct isc__timermgrmethods {
+	isc_timermgrmethods_t methods;
+#ifndef BIND9
+	void *poke;		/* see above */
+#endif
+} timermgrmethods = {
+	{
+		isc__timermgr_destroy,
+		isc__timer_create
+	}
+#ifndef BIND9
+	,
+	(void *)isc__timermgr_poke
+#endif
+};
+
+#ifdef USE_SHARED_MANAGER
 /*!
- * If threads are not in use, there can be only one.
+ * If the manager is supposed to be shared, there can be only one.
  */
-static isc_timermgr_t *timermgr = NULL;
-#endif /* ISC_PLATFORM_USETHREADS */
+static isc__timermgr_t *timermgr = NULL;
+#endif /* USE_SHARED_MANAGER */
 
 static inline isc_result_t
-schedule(isc_timer_t *timer, isc_time_t *now, isc_boolean_t signal_ok) {
+schedule(isc__timer_t *timer, isc_time_t *now, isc_boolean_t signal_ok) {
 	isc_result_t result;
-	isc_timermgr_t *manager;
+	isc__timermgr_t *manager;
 	isc_time_t due;
 	int cmp;
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_TIMER_THREAD
 	isc_boolean_t timedwait;
 #endif
 
@@ -123,13 +213,13 @@ schedule(isc_timer_t *timer, isc_time_t *now, isc_boolean_t signal_ok) {
 
 	REQUIRE(timer->type != isc_timertype_inactive);
 
-#ifndef ISC_PLATFORM_USETHREADS
+#ifndef USE_TIMER_THREAD
 	UNUSED(signal_ok);
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_TIMER_THREAD */
 
 	manager = timer->manager;
 
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_TIMER_THREAD
 	/*!
 	 * If the manager was timed wait, we may need to signal the
 	 * manager to force a wakeup.
@@ -199,7 +289,7 @@ schedule(isc_timer_t *timer, isc_time_t *now, isc_boolean_t signal_ok) {
 	 * the current "next" timer.  We do this either by waking up the
 	 * run thread, or explicitly setting the value in the manager.
 	 */
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_TIMER_THREAD
 
 	/*
 	 * This is a temporary (probably) hack to fix a bug on tru64 5.1
@@ -232,19 +322,19 @@ schedule(isc_timer_t *timer, isc_time_t *now, isc_boolean_t signal_ok) {
 				      "signal (schedule)"));
 		SIGNAL(&manager->wakeup);
 	}
-#else /* ISC_PLATFORM_USETHREADS */
+#else /* USE_TIMER_THREAD */
 	if (timer->index == 1 &&
 	    isc_time_compare(&timer->due, &manager->due) < 0)
 		manager->due = timer->due;
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_TIMER_THREAD */
 
 	return (ISC_R_SUCCESS);
 }
 
 static inline void
-deschedule(isc_timer_t *timer) {
+deschedule(isc__timer_t *timer) {
 	isc_boolean_t need_wakeup = ISC_FALSE;
-	isc_timermgr_t *manager;
+	isc__timermgr_t *manager;
 
 	/*
 	 * The caller must ensure locking.
@@ -258,20 +348,20 @@ deschedule(isc_timer_t *timer) {
 		timer->index = 0;
 		INSIST(manager->nscheduled > 0);
 		manager->nscheduled--;
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_TIMER_THREAD
 		if (need_wakeup) {
 			XTRACE(isc_msgcat_get(isc_msgcat, ISC_MSGSET_TIMER,
 					      ISC_MSG_SIGNALDESCHED,
 					      "signal (deschedule)"));
 			SIGNAL(&manager->wakeup);
 		}
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_TIMER_THREAD */
 	}
 }
 
 static void
-destroy(isc_timer_t *timer) {
-	isc_timermgr_t *manager = timer->manager;
+destroy(isc__timer_t *timer) {
+	isc__timermgr_t *manager = timer->manager;
 
 	/*
 	 * The caller must ensure it is safe to destroy the timer.
@@ -291,17 +381,19 @@ destroy(isc_timer_t *timer) {
 
 	isc_task_detach(&timer->task);
 	DESTROYLOCK(&timer->lock);
-	timer->magic = 0;
+	timer->common.impmagic = 0;
+	timer->common.magic = 0;
 	isc_mem_put(manager->mctx, timer, sizeof(*timer));
 }
 
-isc_result_t
-isc_timer_create(isc_timermgr_t *manager, isc_timertype_t type,
-		 isc_time_t *expires, isc_interval_t *interval,
-		 isc_task_t *task, isc_taskaction_t action, const void *arg,
-		 isc_timer_t **timerp)
+ISC_TIMERFUNC_SCOPE isc_result_t
+isc__timer_create(isc_timermgr_t *manager0, isc_timertype_t type,
+		  isc_time_t *expires, isc_interval_t *interval,
+		  isc_task_t *task, isc_taskaction_t action, const void *arg,
+		  isc_timer_t **timerp)
 {
-	isc_timer_t *timer;
+	isc__timermgr_t *manager = (isc__timermgr_t *)manager0;
+	isc__timer_t *timer;
 	isc_result_t result;
 	isc_time_t now;
 
@@ -382,7 +474,9 @@ isc_timer_create(isc_timermgr_t *manager, isc_timertype_t type,
 		return (result);
 	}
 	ISC_LINK_INIT(timer, link);
-	timer->magic = TIMER_MAGIC;
+	timer->common.impmagic = TIMER_MAGIC;
+	timer->common.magic = ISCAPI_TIMER_MAGIC;
+	timer->common.methods = (isc_timermethods_t *)&timermethods;
 
 	LOCK(&manager->lock);
 
@@ -401,25 +495,27 @@ isc_timer_create(isc_timermgr_t *manager, isc_timertype_t type,
 	UNLOCK(&manager->lock);
 
 	if (result != ISC_R_SUCCESS) {
-		timer->magic = 0;
+		timer->common.impmagic = 0;
+		timer->common.magic = 0;
 		DESTROYLOCK(&timer->lock);
 		isc_task_detach(&timer->task);
 		isc_mem_put(manager->mctx, timer, sizeof(*timer));
 		return (result);
 	}
 
-	*timerp = timer;
+	*timerp = (isc_timer_t *)timer;
 
 	return (ISC_R_SUCCESS);
 }
 
-isc_result_t
-isc_timer_reset(isc_timer_t *timer, isc_timertype_t type,
-		isc_time_t *expires, isc_interval_t *interval,
-		isc_boolean_t purge)
+ISC_TIMERFUNC_SCOPE isc_result_t
+isc__timer_reset(isc_timer_t *timer0, isc_timertype_t type,
+		 isc_time_t *expires, isc_interval_t *interval,
+		 isc_boolean_t purge)
 {
+	isc__timer_t *timer = (isc__timer_t *)timer0;
 	isc_time_t now;
-	isc_timermgr_t *manager;
+	isc__timermgr_t *manager;
 	isc_result_t result;
 
 	/*
@@ -489,8 +585,9 @@ isc_timer_reset(isc_timer_t *timer, isc_timertype_t type,
 	return (result);
 }
 
-isc_timertype_t
-isc_timer_gettype(isc_timer_t *timer) {
+ISC_TIMERFUNC_SCOPE isc_timertype_t
+isc__timer_gettype(isc_timer_t *timer0) {
+	isc__timer_t *timer = (isc__timer_t *)timer0;
 	isc_timertype_t t;
 
 	REQUIRE(VALID_TIMER(timer));
@@ -502,8 +599,9 @@ isc_timer_gettype(isc_timer_t *timer) {
 	return (t);
 }
 
-isc_result_t
-isc_timer_touch(isc_timer_t *timer) {
+ISC_TIMERFUNC_SCOPE isc_result_t
+isc__timer_touch(isc_timer_t *timer0) {
+	isc__timer_t *timer = (isc__timer_t *)timer0;
 	isc_result_t result;
 	isc_time_t now;
 
@@ -532,8 +630,10 @@ isc_timer_touch(isc_timer_t *timer) {
 	return (result);
 }
 
-void
-isc_timer_attach(isc_timer_t *timer, isc_timer_t **timerp) {
+ISC_TIMERFUNC_SCOPE void
+isc__timer_attach(isc_timer_t *timer0, isc_timer_t **timerp) {
+	isc__timer_t *timer = (isc__timer_t *)timer0;
+
 	/*
 	 * Attach *timerp to timer.
 	 */
@@ -545,12 +645,12 @@ isc_timer_attach(isc_timer_t *timer, isc_timer_t **timerp) {
 	timer->references++;
 	UNLOCK(&timer->lock);
 
-	*timerp = timer;
+	*timerp = (isc_timer_t *)timer;
 }
 
-void
-isc_timer_detach(isc_timer_t **timerp) {
-	isc_timer_t *timer;
+ISC_TIMERFUNC_SCOPE void
+isc__timer_detach(isc_timer_t **timerp) {
+	isc__timer_t *timer;
 	isc_boolean_t free_timer = ISC_FALSE;
 
 	/*
@@ -558,7 +658,7 @@ isc_timer_detach(isc_timer_t **timerp) {
 	 */
 
 	REQUIRE(timerp != NULL);
-	timer = *timerp;
+	timer = (isc__timer_t *)*timerp;
 	REQUIRE(VALID_TIMER(timer));
 
 	LOCK(&timer->lock);
@@ -575,11 +675,11 @@ isc_timer_detach(isc_timer_t **timerp) {
 }
 
 static void
-dispatch(isc_timermgr_t *manager, isc_time_t *now) {
+dispatch(isc__timermgr_t *manager, isc_time_t *now) {
 	isc_boolean_t done = ISC_FALSE, post_event, need_schedule;
 	isc_timerevent_t *event;
 	isc_eventtype_t type = 0;
-	isc_timer_t *timer;
+	isc__timer_t *timer;
 	isc_result_t result;
 	isc_boolean_t idle;
 
@@ -693,13 +793,13 @@ dispatch(isc_timermgr_t *manager, isc_time_t *now) {
 	}
 }
 
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_TIMER_THREAD
 static isc_threadresult_t
 #ifdef _WIN32			/* XXXDCL */
 WINAPI
 #endif
 run(void *uap) {
-	isc_timermgr_t *manager = uap;
+	isc__timermgr_t *manager = uap;
 	isc_time_t now;
 	isc_result_t result;
 
@@ -732,13 +832,17 @@ run(void *uap) {
 	}
 	UNLOCK(&manager->lock);
 
+#ifdef OPENSSL_LEAKS
+	ERR_remove_state(0);
+#endif
+
 	return ((isc_threadresult_t)0);
 }
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_TIMER_THREAD */
 
 static isc_boolean_t
 sooner(void *v1, void *v2) {
-	isc_timer_t *t1, *t2;
+	isc__timer_t *t1, *t2;
 
 	t1 = v1;
 	t2 = v2;
@@ -752,7 +856,7 @@ sooner(void *v1, void *v2) {
 
 static void
 set_index(void *what, unsigned int index) {
-	isc_timer_t *timer;
+	isc__timer_t *timer;
 
 	timer = what;
 	REQUIRE(VALID_TIMER(timer));
@@ -760,9 +864,9 @@ set_index(void *what, unsigned int index) {
 	timer->index = index;
 }
 
-isc_result_t
-isc_timermgr_create(isc_mem_t *mctx, isc_timermgr_t **managerp) {
-	isc_timermgr_t *manager;
+ISC_TIMERFUNC_SCOPE isc_result_t
+isc__timermgr_create(isc_mem_t *mctx, isc_timermgr_t **managerp) {
+	isc__timermgr_t *manager;
 	isc_result_t result;
 
 	/*
@@ -771,19 +875,21 @@ isc_timermgr_create(isc_mem_t *mctx, isc_timermgr_t **managerp) {
 
 	REQUIRE(managerp != NULL && *managerp == NULL);
 
-#ifndef ISC_PLATFORM_USETHREADS
+#ifdef USE_SHARED_MANAGER
 	if (timermgr != NULL) {
 		timermgr->refs++;
-		*managerp = timermgr;
+		*managerp = (isc_timermgr_t *)timermgr;
 		return (ISC_R_SUCCESS);
 	}
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_SHARED_MANAGER */
 
 	manager = isc_mem_get(mctx, sizeof(*manager));
 	if (manager == NULL)
 		return (ISC_R_NOMEMORY);
 
-	manager->magic = TIMER_MANAGER_MAGIC;
+	manager->common.impmagic = TIMER_MANAGER_MAGIC;
+	manager->common.magic = ISCAPI_TIMERMGR_MAGIC;
+	manager->common.methods = (isc_timermgrmethods_t *)&timermgrmethods;
 	manager->mctx = NULL;
 	manager->done = ISC_FALSE;
 	INIT_LIST(manager->timers);
@@ -803,7 +909,7 @@ isc_timermgr_create(isc_mem_t *mctx, isc_timermgr_t **managerp) {
 		return (result);
 	}
 	isc_mem_attach(mctx, &manager->mctx);
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_TIMER_THREAD
 	if (isc_condition_init(&manager->wakeup) != ISC_R_SUCCESS) {
 		isc_mem_detach(&manager->mctx);
 		DESTROYLOCK(&manager->lock);
@@ -828,30 +934,33 @@ isc_timermgr_create(isc_mem_t *mctx, isc_timermgr_t **managerp) {
 						ISC_MSG_FAILED, "failed"));
 		return (ISC_R_UNEXPECTED);
 	}
-#else /* ISC_PLATFORM_USETHREADS */
+#endif
+#ifdef USE_SHARED_MANAGER
 	manager->refs = 1;
 	timermgr = manager;
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_SHARED_MANAGER */
 
-	*managerp = manager;
+	*managerp = (isc_timermgr_t *)manager;
 
 	return (ISC_R_SUCCESS);
 }
 
-void
-isc_timermgr_poke(isc_timermgr_t *manager) {
-#ifdef ISC_PLATFORM_USETHREADS
+ISC_TIMERFUNC_SCOPE void
+isc__timermgr_poke(isc_timermgr_t *manager0) {
+#ifdef USE_TIMER_THREAD
+	isc__timermgr_t *manager = (isc__timermgr_t *)manager0;
+
 	REQUIRE(VALID_MANAGER(manager));
 
 	SIGNAL(&manager->wakeup);
 #else
-	UNUSED(manager);
+	UNUSED(manager0);
 #endif
 }
 
-void
-isc_timermgr_destroy(isc_timermgr_t **managerp) {
-	isc_timermgr_t *manager;
+ISC_TIMERFUNC_SCOPE void
+isc__timermgr_destroy(isc_timermgr_t **managerp) {
+	isc__timermgr_t *manager;
 	isc_mem_t *mctx;
 
 	/*
@@ -859,34 +968,37 @@ isc_timermgr_destroy(isc_timermgr_t **managerp) {
 	 */
 
 	REQUIRE(managerp != NULL);
-	manager = *managerp;
+	manager = (isc__timermgr_t *)*managerp;
 	REQUIRE(VALID_MANAGER(manager));
 
 	LOCK(&manager->lock);
 
-#ifndef ISC_PLATFORM_USETHREADS
-	if (manager->refs > 1) {
-		manager->refs--;
+#ifdef USE_SHARED_MANAGER
+	manager->refs--;
+	if (manager->refs > 0) {
 		UNLOCK(&manager->lock);
 		*managerp = NULL;
 		return;
 	}
+	timermgr = NULL;
+#endif /* USE_SHARED_MANAGER */
 
-	isc__timermgr_dispatch();
-#endif /* ISC_PLATFORM_USETHREADS */
+#ifndef USE_TIMER_THREAD
+	isc__timermgr_dispatch((isc_timermgr_t *)manager);
+#endif
 
 	REQUIRE(EMPTY(manager->timers));
 	manager->done = ISC_TRUE;
 
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_TIMER_THREAD
 	XTRACE(isc_msgcat_get(isc_msgcat, ISC_MSGSET_TIMER,
 			      ISC_MSG_SIGNALDESTROY, "signal (destroy)"));
 	SIGNAL(&manager->wakeup);
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_TIMER_THREAD */
 
 	UNLOCK(&manager->lock);
 
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_TIMER_THREAD
 	/*
 	 * Wait for thread to exit.
 	 */
@@ -895,39 +1007,63 @@ isc_timermgr_destroy(isc_timermgr_t **managerp) {
 				 "isc_thread_join() %s",
 				 isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL,
 						ISC_MSG_FAILED, "failed"));
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_TIMER_THREAD */
 
 	/*
 	 * Clean up.
 	 */
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_TIMER_THREAD
 	(void)isc_condition_destroy(&manager->wakeup);
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_TIMER_THREAD */
 	DESTROYLOCK(&manager->lock);
 	isc_heap_destroy(&manager->heap);
-	manager->magic = 0;
+	manager->common.impmagic = 0;
+	manager->common.magic = 0;
 	mctx = manager->mctx;
 	isc_mem_put(mctx, manager, sizeof(*manager));
 	isc_mem_detach(&mctx);
 
 	*managerp = NULL;
+
+#ifdef USE_SHARED_MANAGER
+	timermgr = NULL;
+#endif
 }
 
-#ifndef ISC_PLATFORM_USETHREADS
+#ifndef USE_TIMER_THREAD
 isc_result_t
-isc__timermgr_nextevent(isc_time_t *when) {
-	if (timermgr == NULL || timermgr->nscheduled == 0)
+isc__timermgr_nextevent(isc_timermgr_t *manager0, isc_time_t *when) {
+	isc__timermgr_t *manager = (isc__timermgr_t *)manager0;
+
+#ifdef USE_SHARED_MANAGER
+	if (manager == NULL)
+		manager = timermgr;
+#endif
+	if (manager == NULL || manager->nscheduled == 0)
 		return (ISC_R_NOTFOUND);
-	*when = timermgr->due;
+	*when = manager->due;
 	return (ISC_R_SUCCESS);
 }
 
 void
-isc__timermgr_dispatch(void) {
+isc__timermgr_dispatch(isc_timermgr_t *manager0) {
+	isc__timermgr_t *manager = (isc__timermgr_t *)manager0;
 	isc_time_t now;
-	if (timermgr == NULL)
+
+#ifdef USE_SHARED_MANAGER
+	if (manager == NULL)
+		manager = timermgr;
+#endif
+	if (manager == NULL)
 		return;
 	TIME_NOW(&now);
-	dispatch(timermgr, &now);
+	dispatch(manager, &now);
 }
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_TIMER_THREAD */
+
+#ifdef USE_TIMERIMPREGISTER
+isc_result_t
+isc__timer_register() {
+	return (isc_timer_register(isc__timermgr_create));
+}
+#endif
diff --git a/lib/isc/timer_api.c b/lib/isc/timer_api.c
new file mode 100644
index 0000000..5a9bf9d
--- /dev/null
+++ b/lib/isc/timer_api.c
@@ -0,0 +1,144 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: timer_api.c,v 1.4 2009-09-02 23:48:02 tbox Exp $ */
+
+#include 
+
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+static isc_mutex_t createlock;
+static isc_once_t once = ISC_ONCE_INIT;
+static isc_timermgrcreatefunc_t timermgr_createfunc = NULL;
+
+static void
+initialize(void) {
+	RUNTIME_CHECK(isc_mutex_init(&createlock) == ISC_R_SUCCESS);
+}
+
+isc_result_t
+isc_timer_register(isc_timermgrcreatefunc_t createfunc) {
+	isc_result_t result = ISC_R_SUCCESS;
+
+	RUNTIME_CHECK(isc_once_do(&once, initialize) == ISC_R_SUCCESS);
+
+	LOCK(&createlock);
+	if (timermgr_createfunc == NULL)
+		timermgr_createfunc = createfunc;
+	else
+		result = ISC_R_EXISTS;
+	UNLOCK(&createlock);
+
+	return (result);
+}
+
+isc_result_t
+isc_timermgr_createinctx(isc_mem_t *mctx, isc_appctx_t *actx,
+			 isc_timermgr_t **managerp)
+{
+	isc_result_t result;
+
+	LOCK(&createlock);
+
+	REQUIRE(timermgr_createfunc != NULL);
+	result = (*timermgr_createfunc)(mctx, managerp);
+
+	UNLOCK(&createlock);
+
+	if (result == ISC_R_SUCCESS)
+		isc_appctx_settimermgr(actx, *managerp);
+
+	return (result);
+}
+
+isc_result_t
+isc_timermgr_create(isc_mem_t *mctx, isc_timermgr_t **managerp) {
+	isc_result_t result;
+
+	LOCK(&createlock);
+
+	REQUIRE(timermgr_createfunc != NULL);
+	result = (*timermgr_createfunc)(mctx, managerp);
+
+	UNLOCK(&createlock);
+
+	return (result);
+}
+
+void
+isc_timermgr_destroy(isc_timermgr_t **managerp) {
+	REQUIRE(*managerp != NULL && ISCAPI_TIMERMGR_VALID(*managerp));
+
+	(*managerp)->methods->destroy(managerp);
+
+	ENSURE(*managerp == NULL);
+}
+
+isc_result_t
+isc_timer_create(isc_timermgr_t *manager, isc_timertype_t type,
+		 isc_time_t *expires, isc_interval_t *interval,
+		 isc_task_t *task, isc_taskaction_t action, const void *arg,
+		 isc_timer_t **timerp)
+{
+	REQUIRE(ISCAPI_TIMERMGR_VALID(manager));
+
+	return (manager->methods->timercreate(manager, type, expires,
+					      interval, task, action, arg,
+					      timerp));
+}
+
+void
+isc_timer_attach(isc_timer_t *timer, isc_timer_t **timerp) {
+	REQUIRE(ISCAPI_TIMER_VALID(timer));
+	REQUIRE(timerp != NULL && *timerp == NULL);
+
+	timer->methods->attach(timer, timerp);
+
+	ENSURE(*timerp == timer);
+}
+
+void
+isc_timer_detach(isc_timer_t **timerp) {
+	REQUIRE(timerp != NULL && ISCAPI_TIMER_VALID(*timerp));
+
+	(*timerp)->methods->detach(timerp);
+
+	ENSURE(*timerp == NULL);
+}
+
+isc_result_t
+isc_timer_reset(isc_timer_t *timer, isc_timertype_t type,
+		isc_time_t *expires, isc_interval_t *interval,
+		isc_boolean_t purge)
+{
+	REQUIRE(ISCAPI_TIMER_VALID(timer));
+
+	return (timer->methods->reset(timer, type, expires, interval, purge));
+}
+
+isc_result_t
+isc_timer_touch(isc_timer_t *timer) {
+	REQUIRE(ISCAPI_TIMER_VALID(timer));
+
+	return (timer->methods->touch(timer));
+}
diff --git a/lib/isc/timer_p.h b/lib/isc/timer_p.h
index b41f922..657b695 100644
--- a/lib/isc/timer_p.h
+++ b/lib/isc/timer_p.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: timer_p.h,v 1.10 2007-06-19 23:47:17 tbox Exp $ */
+/* $Id: timer_p.h,v 1.12 2009-09-02 23:48:02 tbox Exp $ */
 
 #ifndef ISC_TIMER_P_H
 #define ISC_TIMER_P_H
@@ -23,9 +23,9 @@
 /*! \file */
 
 isc_result_t
-isc__timermgr_nextevent(isc_time_t *when);
+isc__timermgr_nextevent(isc_timermgr_t *timermgr, isc_time_t *when);
 
 void
-isc__timermgr_dispatch(void);
+isc__timermgr_dispatch(isc_timermgr_t *timermgr);
 
 #endif /* ISC_TIMER_P_H */
diff --git a/lib/isc/unix/Makefile.in b/lib/isc/unix/Makefile.in
index 7d23b96..2c91756 100644
--- a/lib/isc/unix/Makefile.in
+++ b/lib/isc/unix/Makefile.in
@@ -1,4 +1,4 @@
-# Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
+# Copyright (C) 2004, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
 # Copyright (C) 1998-2001  Internet Software Consortium.
 #
 # Permission to use, copy, modify, and/or distribute this software for any
@@ -13,7 +13,7 @@
 # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 # PERFORMANCE OF THIS SOFTWARE.
 
-# $Id: Makefile.in,v 1.41 2007-06-19 23:47:18 tbox Exp $
+# $Id: Makefile.in,v 1.44 2009-12-05 23:31:41 each Exp $
 
 srcdir =	@srcdir@
 VPATH =		@srcdir@
diff --git a/lib/isc/unix/app.c b/lib/isc/unix/app.c
index 6bd1660..4dc5130 100644
--- a/lib/isc/unix/app.c
+++ b/lib/isc/unix/app.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007, 2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007-2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: app.c,v 1.60 2008-10-15 03:41:17 marka Exp $ */
+/* $Id: app.c,v 1.64 2009-11-04 05:58:46 marka Exp $ */
 
 /*! \file */
 
@@ -37,6 +37,7 @@
 #include 
 #include 
 #include 
+#include 
 #include 
 #include 
 #include 
@@ -47,31 +48,129 @@
 #include 
 #include 
 
+/*%
+ * For BIND9 internal applications built with threads, we use a single app
+ * context and let multiple worker, I/O, timer threads do actual jobs.
+ * For other cases (including BIND9 built without threads) an app context acts
+ * as an event loop dispatching various events.
+ */
+#if defined(ISC_PLATFORM_USETHREADS) && defined(BIND9)
+#define USE_THREADS_SINGLECTX
+#endif
+
 #ifdef ISC_PLATFORM_USETHREADS
 #include 
-#else /* ISC_PLATFORM_USETHREADS */
+#endif
+
+#ifndef USE_THREADS_SINGLECTX
 #include "../timer_p.h"
 #include "../task_p.h"
 #include "socket_p.h"
+#endif /* USE_THREADS_SINGLECTX */
+
+#ifdef ISC_PLATFORM_USETHREADS
+static pthread_t		blockedthread;
 #endif /* ISC_PLATFORM_USETHREADS */
 
-static isc_eventlist_t		on_run;
-static isc_mutex_t		lock;
-static isc_boolean_t		shutdown_requested = ISC_FALSE;
-static isc_boolean_t		running = ISC_FALSE;
-/*!
- * We assume that 'want_shutdown' can be read and written atomically.
+/*%
+ * The following can be either static or public, depending on build environment.
  */
-static volatile isc_boolean_t	want_shutdown = ISC_FALSE;
+
+#ifdef BIND9
+#define ISC_APPFUNC_SCOPE
+#else
+#define ISC_APPFUNC_SCOPE static
+#endif
+
+ISC_APPFUNC_SCOPE isc_result_t isc__app_start(void);
+ISC_APPFUNC_SCOPE isc_result_t isc__app_ctxstart(isc_appctx_t *ctx);
+ISC_APPFUNC_SCOPE isc_result_t isc__app_onrun(isc_mem_t *mctx,
+					      isc_task_t *task,
+					      isc_taskaction_t action,
+					      void *arg);
+ISC_APPFUNC_SCOPE isc_result_t isc__app_ctxrun(isc_appctx_t *ctx);
+ISC_APPFUNC_SCOPE isc_result_t isc__app_run(void);
+ISC_APPFUNC_SCOPE isc_result_t isc__app_ctxshutdown(isc_appctx_t *ctx);
+ISC_APPFUNC_SCOPE isc_result_t isc__app_shutdown(void);
+ISC_APPFUNC_SCOPE isc_result_t isc__app_reload(void);
+ISC_APPFUNC_SCOPE isc_result_t isc__app_ctxsuspend(isc_appctx_t *ctx);
+ISC_APPFUNC_SCOPE void isc__app_ctxfinish(isc_appctx_t *ctx);
+ISC_APPFUNC_SCOPE void isc__app_finish(void);
+ISC_APPFUNC_SCOPE void isc__app_block(void);
+ISC_APPFUNC_SCOPE void isc__app_unblock(void);
+ISC_APPFUNC_SCOPE isc_result_t isc__appctx_create(isc_mem_t *mctx,
+						  isc_appctx_t **ctxp);
+ISC_APPFUNC_SCOPE void isc__appctx_destroy(isc_appctx_t **ctxp);
+ISC_APPFUNC_SCOPE void isc__appctx_settaskmgr(isc_appctx_t *ctx,
+					      isc_taskmgr_t *taskmgr);
+ISC_APPFUNC_SCOPE void isc__appctx_setsocketmgr(isc_appctx_t *ctx,
+						isc_socketmgr_t *socketmgr);
+ISC_APPFUNC_SCOPE void isc__appctx_settimermgr(isc_appctx_t *ctx,
+					       isc_timermgr_t *timermgr);
+
 /*
- * We assume that 'want_reload' can be read and written atomically.
+ * The application context of this module.  This implementation actually
+ * doesn't use it. (This may change in the future).
  */
-static volatile isc_boolean_t	want_reload = ISC_FALSE;
+#define APPCTX_MAGIC		ISC_MAGIC('A', 'p', 'c', 'x')
+#define VALID_APPCTX(c)		ISC_MAGIC_VALID(c, APPCTX_MAGIC)
+
+typedef struct isc__appctx {
+	isc_appctx_t		common;
+	isc_mem_t		*mctx;
+	isc_mutex_t		lock;
+	isc_eventlist_t		on_run;
+	isc_boolean_t		shutdown_requested;
+	isc_boolean_t		running;
+
+	/*!
+	 * We assume that 'want_shutdown' can be read and written atomically.
+	 */
+	isc_boolean_t		want_shutdown;
+	/*
+	 * We assume that 'want_reload' can be read and written atomically.
+	 */
+	isc_boolean_t		want_reload;
 
-static isc_boolean_t		blocked  = ISC_FALSE;
-#ifdef ISC_PLATFORM_USETHREADS
-static pthread_t		blockedthread;
-#endif /* ISC_PLATFORM_USETHREADS */
+	isc_boolean_t		blocked;
+
+	isc_taskmgr_t		*taskmgr;
+	isc_socketmgr_t		*socketmgr;
+	isc_timermgr_t		*timermgr;
+} isc__appctx_t;
+
+static isc__appctx_t isc_g_appctx;
+
+static struct {
+	isc_appmethods_t methods;
+
+	/*%
+	 * The following are defined just for avoiding unused static functions.
+	 */
+#ifndef BIND9
+	void *run, *shutdown, *start, *onrun, *reload, *finish,
+		*block, *unblock;
+#endif
+} appmethods = {
+	{
+		isc__appctx_destroy,
+		isc__app_ctxstart,
+		isc__app_ctxrun,
+		isc__app_ctxsuspend,
+		isc__app_ctxshutdown,
+		isc__app_ctxfinish,
+		isc__appctx_settaskmgr,
+		isc__appctx_setsocketmgr,
+		isc__appctx_settimermgr
+	}
+#ifndef BIND9
+	,
+	(void *)isc__app_run, (void *)isc__app_shutdown,
+	(void *)isc__app_start, (void *)isc__app_onrun, (void *)isc__app_reload,
+	(void *)isc__app_finish, (void *)isc__app_block,
+	(void *)isc__app_unblock
+#endif
+};
 
 #ifdef HAVE_LINUXTHREADS
 /*!
@@ -91,13 +190,13 @@ static pthread_t		main_thread;
 static void
 exit_action(int arg) {
 	UNUSED(arg);
-	want_shutdown = ISC_TRUE;
+	isc_g_appctx.want_shutdown = ISC_TRUE;
 }
 
 static void
 reload_action(int arg) {
 	UNUSED(arg);
-	want_reload = ISC_TRUE;
+	isc_g_appctx.want_reload = ISC_TRUE;
 }
 #endif
 
@@ -123,12 +222,12 @@ handle_signal(int sig, void (*handler)(int)) {
 	return (ISC_R_SUCCESS);
 }
 
-isc_result_t
-isc_app_start(void) {
+ISC_APPFUNC_SCOPE isc_result_t
+isc__app_ctxstart(isc_appctx_t *ctx0) {
+	isc__appctx_t *ctx = (isc__appctx_t *)ctx0;
 	isc_result_t result;
-	int presult;
-	sigset_t sset;
-	char strbuf[ISC_STRERRORSIZE];
+
+	REQUIRE(VALID_APPCTX(ctx));
 
 	/*
 	 * Start an ISC library application.
@@ -151,7 +250,35 @@ isc_app_start(void) {
 	main_thread = pthread_self();
 #endif
 
-	result = isc_mutex_init(&lock);
+	result = isc_mutex_init(&ctx->lock);
+	if (result != ISC_R_SUCCESS)
+		return (result);
+
+	ISC_LIST_INIT(ctx->on_run);
+
+	ctx->shutdown_requested = ISC_FALSE;
+	ctx->running = ISC_FALSE;
+	ctx->want_shutdown = ISC_FALSE;
+	ctx->want_reload = ISC_FALSE;
+	ctx->blocked = ISC_FALSE;
+
+	return (ISC_R_SUCCESS);
+}
+
+ISC_APPFUNC_SCOPE isc_result_t
+isc__app_start(void) {
+	isc_result_t result;
+	int presult;
+	sigset_t sset;
+	char strbuf[ISC_STRERRORSIZE];
+
+	isc_g_appctx.common.impmagic = APPCTX_MAGIC;
+	isc_g_appctx.common.magic = ISCAPI_APPCTX_MAGIC;
+	isc_g_appctx.common.methods = &appmethods.methods;
+	isc_g_appctx.mctx = NULL;
+	/* The remaining members will be initialized in ctxstart() */
+
+	result = isc__app_ctxstart((isc_appctx_t *)&isc_g_appctx);
 	if (result != ISC_R_SUCCESS)
 		return (result);
 
@@ -253,22 +380,20 @@ isc_app_start(void) {
 	}
 #endif /* ISC_PLATFORM_USETHREADS */
 
-	ISC_LIST_INIT(on_run);
-
 	return (ISC_R_SUCCESS);
 }
 
-isc_result_t
-isc_app_onrun(isc_mem_t *mctx, isc_task_t *task, isc_taskaction_t action,
+ISC_APPFUNC_SCOPE isc_result_t
+isc__app_onrun(isc_mem_t *mctx, isc_task_t *task, isc_taskaction_t action,
 	      void *arg)
 {
 	isc_event_t *event;
 	isc_task_t *cloned_task = NULL;
 	isc_result_t result;
 
-	LOCK(&lock);
+	LOCK(&isc_g_appctx.lock);
 
-	if (running) {
+	if (isc_g_appctx.running) {
 		result = ISC_R_ALREADYRUNNING;
 		goto unlock;
 	}
@@ -285,24 +410,25 @@ isc_app_onrun(isc_mem_t *mctx, isc_task_t *task, isc_taskaction_t action,
 		goto unlock;
 	}
 
-	ISC_LIST_APPEND(on_run, event, ev_link);
+	ISC_LIST_APPEND(isc_g_appctx.on_run, event, ev_link);
 
 	result = ISC_R_SUCCESS;
 
  unlock:
-	UNLOCK(&lock);
+	UNLOCK(&isc_g_appctx.lock);
 
 	return (result);
 }
 
-#ifndef ISC_PLATFORM_USETHREADS
+#ifndef USE_THREADS_SINGLECTX
 /*!
  * Event loop for nonthreaded programs.
  */
 static isc_result_t
-evloop(void) {
+evloop(isc__appctx_t *ctx) {
 	isc_result_t result;
-	while (!want_shutdown) {
+
+	while (!ctx->want_shutdown) {
 		int n;
 		isc_time_t when, now;
 		struct timeval tv, *tvp;
@@ -310,14 +436,27 @@ evloop(void) {
 		isc_boolean_t readytasks;
 		isc_boolean_t call_timer_dispatch = ISC_FALSE;
 
-		readytasks = isc__taskmgr_ready();
+		/*
+		 * Check the reload (or suspend) case first for exiting the
+		 * loop as fast as possible in case:
+		 *   - the direct call to isc__taskmgr_dispatch() in
+		 *     isc__app_ctxrun() completes all the tasks so far,
+		 *   - there is thus currently no active task, and
+		 *   - there is a timer event
+		 */
+		if (ctx->want_reload) {
+			ctx->want_reload = ISC_FALSE;
+			return (ISC_R_RELOAD);
+		}
+
+		readytasks = isc__taskmgr_ready(ctx->taskmgr);
 		if (readytasks) {
 			tv.tv_sec = 0;
 			tv.tv_usec = 0;
 			tvp = &tv;
 			call_timer_dispatch = ISC_TRUE;
 		} else {
-			result = isc__timermgr_nextevent(&when);
+			result = isc__timermgr_nextevent(ctx->timermgr, &when);
 			if (result != ISC_R_SUCCESS)
 				tvp = NULL;
 			else {
@@ -334,7 +473,7 @@ evloop(void) {
 		}
 
 		swait = NULL;
-		n = isc__socketmgr_waitevents(tvp, &swait);
+		n = isc__socketmgr_waitevents(ctx->socketmgr, tvp, &swait);
 
 		if (n == 0 || call_timer_dispatch) {
 			/*
@@ -351,20 +490,17 @@ evloop(void) {
 			 * call, since this loop only runs in the non-thread
 			 * mode.
 			 */
-			isc__timermgr_dispatch();
+			isc__timermgr_dispatch(ctx->timermgr);
 		}
 		if (n > 0)
-			(void)isc__socketmgr_dispatch(swait);
-		(void)isc__taskmgr_dispatch();
-
-		if (want_reload) {
-			want_reload = ISC_FALSE;
-			return (ISC_R_RELOAD);
-		}
+			(void)isc__socketmgr_dispatch(ctx->socketmgr, swait);
+		(void)isc__taskmgr_dispatch(ctx->taskmgr);
 	}
 	return (ISC_R_SUCCESS);
 }
+#endif	/* USE_THREADS_SINGLECTX */
 
+#ifndef ISC_PLATFORM_USETHREADS
 /*
  * This is a gross hack to support waiting for condition
  * variables in nonthreaded programs in a limited way;
@@ -400,11 +536,11 @@ isc__nothread_wait_hack(isc_condition_t *cp, isc_mutex_t *mp) {
 	INSIST(*mp == 1); /* Mutex must be locked on entry. */
 	--*mp;
 
-	result = evloop();
+	result = evloop(&isc_g_appctx);
 	if (result == ISC_R_RELOAD)
-		want_reload = ISC_TRUE;
+		isc_g_appctx.want_reload = ISC_TRUE;
 	if (signalled) {
-		want_shutdown = ISC_FALSE;
+		isc_g_appctx.want_shutdown = ISC_FALSE;
 		signalled = ISC_FALSE;
 	}
 
@@ -420,43 +556,46 @@ isc__nothread_signal_hack(isc_condition_t *cp) {
 
 	INSIST(in_recursive_evloop);
 
-	want_shutdown = ISC_TRUE;
+	isc_g_appctx.want_shutdown = ISC_TRUE;
 	signalled = ISC_TRUE;
 	return (ISC_R_SUCCESS);
 }
 
 #endif /* ISC_PLATFORM_USETHREADS */
 
-isc_result_t
-isc_app_run(void) {
+ISC_APPFUNC_SCOPE isc_result_t
+isc__app_ctxrun(isc_appctx_t *ctx0) {
+	isc__appctx_t *ctx = (isc__appctx_t *)ctx0;
 	int result;
 	isc_event_t *event, *next_event;
 	isc_task_t *task;
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_THREADS_SINGLECTX
 	sigset_t sset;
 	char strbuf[ISC_STRERRORSIZE];
 #ifdef HAVE_SIGWAIT
 	int sig;
 #endif
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_THREADS_SINGLECTX */
+
+	REQUIRE(VALID_APPCTX(ctx));
 
 #ifdef HAVE_LINUXTHREADS
 	REQUIRE(main_thread == pthread_self());
 #endif
 
-	LOCK(&lock);
+	LOCK(&ctx->lock);
 
-	if (!running) {
-		running = ISC_TRUE;
+	if (!ctx->running) {
+		ctx->running = ISC_TRUE;
 
 		/*
 		 * Post any on-run events (in FIFO order).
 		 */
-		for (event = ISC_LIST_HEAD(on_run);
+		for (event = ISC_LIST_HEAD(ctx->on_run);
 		     event != NULL;
 		     event = next_event) {
 			next_event = ISC_LIST_NEXT(event, ev_link);
-			ISC_LIST_UNLINK(on_run, event, ev_link);
+			ISC_LIST_UNLINK(ctx->on_run, event, ev_link);
 			task = event->ev_sender;
 			event->ev_sender = NULL;
 			isc_task_sendanddetach(&task, &event);
@@ -464,7 +603,7 @@ isc_app_run(void) {
 
 	}
 
-	UNLOCK(&lock);
+	UNLOCK(&ctx->lock);
 
 #ifndef HAVE_SIGWAIT
 	/*
@@ -473,19 +612,27 @@ isc_app_run(void) {
 	 * We do this here to ensure that the signal handler is installed
 	 * (i.e. that it wasn't a "one-shot" handler).
 	 */
-	result = handle_signal(SIGHUP, reload_action);
-	if (result != ISC_R_SUCCESS)
-		return (ISC_R_SUCCESS);
+	if (ctx == &isc_g_appctx) {
+		result = handle_signal(SIGHUP, reload_action);
+		if (result != ISC_R_SUCCESS)
+			return (ISC_R_SUCCESS);
+	}
 #endif
 
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_THREADS_SINGLECTX
+	/*
+	 * When we are using multiple contexts, we don't rely on signals.
+	 */
+	if (ctx != &isc_g_appctx)
+		return (ISC_R_SUCCESS);
+
 	/*
 	 * There is no danger if isc_app_shutdown() is called before we wait
 	 * for signals.  Signals are blocked, so any such signal will simply
 	 * be made pending and we will get it when we call sigwait().
 	 */
 
-	while (!want_shutdown) {
+	while (!ctx->want_shutdown) {
 #ifdef HAVE_SIGWAIT
 		/*
 		 * Wait for SIGHUP, SIGINT, or SIGTERM.
@@ -503,21 +650,19 @@ isc_app_run(void) {
 #ifndef HAVE_UNIXWARE_SIGWAIT
 		result = sigwait(&sset, &sig);
 		if (result == 0) {
-			if (sig == SIGINT ||
-			    sig == SIGTERM)
-				want_shutdown = ISC_TRUE;
+			if (sig == SIGINT || sig == SIGTERM)
+				ctx->want_shutdown = ISC_TRUE;
 			else if (sig == SIGHUP)
-				want_reload = ISC_TRUE;
+				ctx->want_reload = ISC_TRUE;
 		}
 
 #else /* Using UnixWare sigwait semantics. */
 		sig = sigwait(&sset);
 		if (sig >= 0) {
-			if (sig == SIGINT ||
-			    sig == SIGTERM)
-				want_shutdown = ISC_TRUE;
+			if (sig == SIGINT || sig == SIGTERM)
+				ctx->want_shutdown = ISC_TRUE;
 			else if (sig == SIGHUP)
-				want_reload = ISC_TRUE;
+				ctx->want_reload = ISC_TRUE;
 		}
 
 #endif /* HAVE_UNIXWARE_SIGWAIT */
@@ -528,131 +673,174 @@ isc_app_run(void) {
 		if (sigemptyset(&sset) != 0) {
 			isc__strerror(errno, strbuf, sizeof(strbuf));
 			UNEXPECTED_ERROR(__FILE__, __LINE__,
-					 "isc_app_run() sigsetops: %s", strbuf);
+					 "isc_app_run() sigsetops: %s",
+					 strbuf);
 			return (ISC_R_UNEXPECTED);
 		}
 		result = sigsuspend(&sset);
 #endif /* HAVE_SIGWAIT */
 
-		if (want_reload) {
-			want_reload = ISC_FALSE;
+		if (ctx->want_reload) {
+			ctx->want_reload = ISC_FALSE;
 			return (ISC_R_RELOAD);
 		}
 
-		if (want_shutdown && blocked)
+		if (ctx->want_shutdown && ctx->blocked)
 			exit(1);
 	}
 
-#else /* ISC_PLATFORM_USETHREADS */
+#else /* USE_THREADS_SINGLECTX */
 
-	(void)isc__taskmgr_dispatch();
+	(void)isc__taskmgr_dispatch(ctx->taskmgr);
 
-	result = evloop();
+	result = evloop(ctx);
 	if (result != ISC_R_SUCCESS)
 		return (result);
 
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_THREADS_SINGLECTX */
 
 	return (ISC_R_SUCCESS);
 }
 
-isc_result_t
-isc_app_shutdown(void) {
+ISC_APPFUNC_SCOPE isc_result_t
+isc__app_run() {
+	return (isc__app_ctxrun((isc_appctx_t *)&isc_g_appctx));
+}
+
+ISC_APPFUNC_SCOPE isc_result_t
+isc__app_ctxshutdown(isc_appctx_t *ctx0) {
+	isc__appctx_t *ctx = (isc__appctx_t *)ctx0;
 	isc_boolean_t want_kill = ISC_TRUE;
 	char strbuf[ISC_STRERRORSIZE];
 
-	LOCK(&lock);
+	REQUIRE(VALID_APPCTX(ctx));
 
-	REQUIRE(running);
+	LOCK(&ctx->lock);
 
-	if (shutdown_requested)
+	REQUIRE(ctx->running);
+
+	if (ctx->shutdown_requested)
 		want_kill = ISC_FALSE;
 	else
-		shutdown_requested = ISC_TRUE;
+		ctx->shutdown_requested = ISC_TRUE;
 
-	UNLOCK(&lock);
+	UNLOCK(&ctx->lock);
 
 	if (want_kill) {
+		if (ctx != &isc_g_appctx)
+			ctx->want_shutdown = ISC_TRUE;
+		else {
 #ifdef HAVE_LINUXTHREADS
-		int result;
-
-		result = pthread_kill(main_thread, SIGTERM);
-		if (result != 0) {
-			isc__strerror(result, strbuf, sizeof(strbuf));
-			UNEXPECTED_ERROR(__FILE__, __LINE__,
-					 "isc_app_shutdown() pthread_kill: %s",
-					 strbuf);
-			return (ISC_R_UNEXPECTED);
-		}
+			int result;
+
+			result = pthread_kill(main_thread, SIGTERM);
+			if (result != 0) {
+				isc__strerror(result, strbuf, sizeof(strbuf));
+				UNEXPECTED_ERROR(__FILE__, __LINE__,
+						 "isc_app_shutdown() "
+						 "pthread_kill: %s",
+						 strbuf);
+				return (ISC_R_UNEXPECTED);
+			}
 #else
-		if (kill(getpid(), SIGTERM) < 0) {
-			isc__strerror(errno, strbuf, sizeof(strbuf));
-			UNEXPECTED_ERROR(__FILE__, __LINE__,
-					 "isc_app_shutdown() kill: %s", strbuf);
-			return (ISC_R_UNEXPECTED);
+			if (kill(getpid(), SIGTERM) < 0) {
+				isc__strerror(errno, strbuf, sizeof(strbuf));
+				UNEXPECTED_ERROR(__FILE__, __LINE__,
+						 "isc_app_shutdown() "
+						 "kill: %s", strbuf);
+				return (ISC_R_UNEXPECTED);
+			}
+#endif	/* HAVE_LINUXTHREADS */
 		}
-#endif
 	}
 
 	return (ISC_R_SUCCESS);
 }
 
-isc_result_t
-isc_app_reload(void) {
+ISC_APPFUNC_SCOPE isc_result_t
+isc__app_shutdown() {
+	return (isc__app_ctxshutdown((isc_appctx_t *)&isc_g_appctx));
+}
+
+ISC_APPFUNC_SCOPE isc_result_t
+isc__app_ctxsuspend(isc_appctx_t *ctx0) {
+	isc__appctx_t *ctx = (isc__appctx_t *)ctx0;
 	isc_boolean_t want_kill = ISC_TRUE;
 	char strbuf[ISC_STRERRORSIZE];
 
-	LOCK(&lock);
+	REQUIRE(VALID_APPCTX(ctx));
+
+	LOCK(&ctx->lock);
 
-	REQUIRE(running);
+	REQUIRE(ctx->running);
 
 	/*
 	 * Don't send the reload signal if we're shutting down.
 	 */
-	if (shutdown_requested)
+	if (ctx->shutdown_requested)
 		want_kill = ISC_FALSE;
 
-	UNLOCK(&lock);
+	UNLOCK(&ctx->lock);
 
 	if (want_kill) {
+		if (ctx != &isc_g_appctx)
+			ctx->want_reload = ISC_TRUE;
+		else {
 #ifdef HAVE_LINUXTHREADS
-		int result;
-
-		result = pthread_kill(main_thread, SIGHUP);
-		if (result != 0) {
-			isc__strerror(result, strbuf, sizeof(strbuf));
-			UNEXPECTED_ERROR(__FILE__, __LINE__,
-					 "isc_app_reload() pthread_kill: %s",
-					 strbuf);
-			return (ISC_R_UNEXPECTED);
-		}
+			int result;
+
+			result = pthread_kill(main_thread, SIGHUP);
+			if (result != 0) {
+				isc__strerror(result, strbuf, sizeof(strbuf));
+				UNEXPECTED_ERROR(__FILE__, __LINE__,
+						 "isc_app_reload() "
+						 "pthread_kill: %s",
+						 strbuf);
+				return (ISC_R_UNEXPECTED);
+			}
 #else
-		if (kill(getpid(), SIGHUP) < 0) {
-			isc__strerror(errno, strbuf, sizeof(strbuf));
-			UNEXPECTED_ERROR(__FILE__, __LINE__,
-					 "isc_app_reload() kill: %s", strbuf);
-			return (ISC_R_UNEXPECTED);
-		}
+			if (kill(getpid(), SIGHUP) < 0) {
+				isc__strerror(errno, strbuf, sizeof(strbuf));
+				UNEXPECTED_ERROR(__FILE__, __LINE__,
+						 "isc_app_reload() "
+						 "kill: %s", strbuf);
+				return (ISC_R_UNEXPECTED);
+			}
 #endif
+		}
 	}
 
 	return (ISC_R_SUCCESS);
 }
 
-void
-isc_app_finish(void) {
-	DESTROYLOCK(&lock);
+ISC_APPFUNC_SCOPE isc_result_t
+isc__app_reload(void) {
+	return (isc__app_ctxsuspend((isc_appctx_t *)&isc_g_appctx));
+}
+
+ISC_APPFUNC_SCOPE void
+isc__app_ctxfinish(isc_appctx_t *ctx0) {
+	isc__appctx_t *ctx = (isc__appctx_t *)ctx0;
+
+	REQUIRE(VALID_APPCTX(ctx));
+
+	DESTROYLOCK(&ctx->lock);
+}
+
+ISC_APPFUNC_SCOPE void
+isc__app_finish(void) {
+	isc__app_ctxfinish((isc_appctx_t *)&isc_g_appctx);
 }
 
-void
-isc_app_block(void) {
+ISC_APPFUNC_SCOPE void
+isc__app_block(void) {
 #ifdef ISC_PLATFORM_USETHREADS
 	sigset_t sset;
 #endif /* ISC_PLATFORM_USETHREADS */
-	REQUIRE(running);
-	REQUIRE(!blocked);
+	REQUIRE(isc_g_appctx.running);
+	REQUIRE(!isc_g_appctx.blocked);
 
-	blocked = ISC_TRUE;
+	isc_g_appctx.blocked = ISC_TRUE;
 #ifdef ISC_PLATFORM_USETHREADS
 	blockedthread = pthread_self();
 	RUNTIME_CHECK(sigemptyset(&sset) == 0 &&
@@ -662,16 +850,16 @@ isc_app_block(void) {
 #endif /* ISC_PLATFORM_USETHREADS */
 }
 
-void
-isc_app_unblock(void) {
+ISC_APPFUNC_SCOPE void
+isc__app_unblock(void) {
 #ifdef ISC_PLATFORM_USETHREADS
 	sigset_t sset;
 #endif /* ISC_PLATFORM_USETHREADS */
 
-	REQUIRE(running);
-	REQUIRE(blocked);
+	REQUIRE(isc_g_appctx.running);
+	REQUIRE(isc_g_appctx.blocked);
 
-	blocked = ISC_FALSE;
+	isc_g_appctx.blocked = ISC_FALSE;
 
 #ifdef ISC_PLATFORM_USETHREADS
 	REQUIRE(blockedthread == pthread_self());
@@ -682,3 +870,77 @@ isc_app_unblock(void) {
 	RUNTIME_CHECK(pthread_sigmask(SIG_BLOCK, &sset, NULL) == 0);
 #endif /* ISC_PLATFORM_USETHREADS */
 }
+
+ISC_APPFUNC_SCOPE isc_result_t
+isc__appctx_create(isc_mem_t *mctx, isc_appctx_t **ctxp) {
+	isc__appctx_t *ctx;
+
+	REQUIRE(mctx != NULL);
+	REQUIRE(ctxp != NULL && *ctxp == NULL);
+
+	ctx = isc_mem_get(mctx, sizeof(*ctx));
+	if (ctx == NULL)
+		return (ISC_R_NOMEMORY);
+
+	ctx->common.impmagic = APPCTX_MAGIC;
+	ctx->common.magic = ISCAPI_APPCTX_MAGIC;
+	ctx->common.methods = &appmethods.methods;
+
+	ctx->mctx = NULL;
+	isc_mem_attach(mctx, &ctx->mctx);
+
+	ctx->taskmgr = NULL;
+	ctx->socketmgr = NULL;
+	ctx->timermgr = NULL;
+
+	*ctxp = (isc_appctx_t *)ctx;
+
+	return (ISC_R_SUCCESS);
+}
+
+ISC_APPFUNC_SCOPE void
+isc__appctx_destroy(isc_appctx_t **ctxp) {
+	isc__appctx_t *ctx;
+
+	REQUIRE(ctxp != NULL);
+	ctx = (isc__appctx_t *)*ctxp;
+	REQUIRE(VALID_APPCTX(ctx));
+
+	isc_mem_putanddetach(&ctx->mctx, ctx, sizeof(*ctx));
+
+	*ctxp = NULL;
+}
+
+ISC_APPFUNC_SCOPE void
+isc__appctx_settaskmgr(isc_appctx_t *ctx0, isc_taskmgr_t *taskmgr) {
+	isc__appctx_t *ctx = (isc__appctx_t *)ctx0;
+
+	REQUIRE(VALID_APPCTX(ctx));
+
+	ctx->taskmgr = taskmgr;
+}
+
+ISC_APPFUNC_SCOPE void
+isc__appctx_setsocketmgr(isc_appctx_t *ctx0, isc_socketmgr_t *socketmgr) {
+	isc__appctx_t *ctx = (isc__appctx_t *)ctx0;
+
+	REQUIRE(VALID_APPCTX(ctx));
+
+	ctx->socketmgr = socketmgr;
+}
+
+ISC_APPFUNC_SCOPE void
+isc__appctx_settimermgr(isc_appctx_t *ctx0, isc_timermgr_t *timermgr) {
+	isc__appctx_t *ctx = (isc__appctx_t *)ctx0;
+
+	REQUIRE(VALID_APPCTX(ctx));
+
+	ctx->timermgr = timermgr;
+}
+
+#ifdef USE_APPIMPREGISTER
+isc_result_t
+isc__app_register() {
+	return (isc_app_register(isc__appctx_create));
+}
+#endif
diff --git a/lib/isc/unix/dir.c b/lib/isc/unix/dir.c
index 8053c42..0caf882 100644
--- a/lib/isc/unix/dir.c
+++ b/lib/isc/unix/dir.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007-2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: dir.c,v 1.25.332.3 2009-02-16 23:47:15 tbox Exp $ */
+/* $Id: dir.c,v 1.29 2009-02-16 23:48:04 tbox Exp $ */
 
 /*! \file
  * \author  Principal Authors: DCL */
diff --git a/lib/isc/unix/entropy.c b/lib/isc/unix/entropy.c
index bdff8d9..9044632 100644
--- a/lib/isc/unix/entropy.c
+++ b/lib/isc/unix/entropy.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2008  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: entropy.c,v 1.80.332.2 2009-02-16 23:47:15 tbox Exp $ */
+/* $Id: entropy.c,v 1.82 2008-12-01 23:47:45 tbox Exp $ */
 
 /* \file unix/entropy.c
  * \brief
diff --git a/lib/isc/unix/file.c b/lib/isc/unix/file.c
index ae737b8..25d856c 100644
--- a/lib/isc/unix/file.c
+++ b/lib/isc/unix/file.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2009, 2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -48,7 +48,7 @@
  * SUCH DAMAGE.
  */
 
-/* $Id: file.c,v 1.51.332.2 2009-02-16 23:47:15 tbox Exp $ */
+/* $Id: file.c,v 1.57 2011-01-11 23:47:14 tbox Exp $ */
 
 /*! \file */
 
@@ -68,6 +68,7 @@
 #include 
 #include 
 #include 
+#include 
 #include 
 #include 
 #include 
@@ -242,16 +243,26 @@ isc_file_renameunique(const char *file, char *templet) {
 	return (ISC_R_SUCCESS);
 }
 
-
 isc_result_t
 isc_file_openunique(char *templet, FILE **fp) {
+	int mode = S_IWUSR|S_IRUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH;
+	return (isc_file_openuniquemode(templet, mode, fp));
+}
+
+isc_result_t
+isc_file_openuniqueprivate(char *templet, FILE **fp) {
+	int mode = S_IWUSR|S_IRUSR;
+	return (isc_file_openuniquemode(templet, mode, fp));
+}
+
+isc_result_t
+isc_file_openuniquemode(char *templet, int mode, FILE **fp) {
 	int fd;
 	FILE *f;
 	isc_result_t result = ISC_R_SUCCESS;
 	char *x;
 	char *cp;
 	isc_uint32_t which;
-	int mode;
 
 	REQUIRE(templet != NULL);
 	REQUIRE(fp != NULL && *fp == NULL);
@@ -269,7 +280,6 @@ isc_file_openunique(char *templet, FILE **fp) {
 		x = cp--;
 	}
 
-	mode = S_IWUSR|S_IRUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH;
 
 	while ((fd = open(templet, O_RDWR|O_CREAT|O_EXCL, mode)) == -1) {
 		if (errno != EEXIST)
@@ -442,3 +452,73 @@ isc_file_truncate(const char *filename, isc_offset_t size) {
 		result = isc__errno2result(errno);
 	return (result);
 }
+
+isc_result_t
+isc_file_safecreate(const char *filename, FILE **fp) {
+	isc_result_t result;
+	int flags;
+	struct stat sb;
+	FILE *f;
+	int fd;
+
+	REQUIRE(filename != NULL);
+	REQUIRE(fp != NULL && *fp == NULL);
+
+	result = file_stats(filename, &sb);
+	if (result == ISC_R_SUCCESS) {
+		if ((sb.st_mode & S_IFREG) == 0)
+			return (ISC_R_INVALIDFILE);
+		flags = O_WRONLY | O_TRUNC;
+	} else if (result == ISC_R_FILENOTFOUND) {
+		flags = O_WRONLY | O_CREAT | O_EXCL;
+	} else
+		return (result);
+
+	fd = open(filename, flags, S_IRUSR | S_IWUSR);
+	if (fd == -1)
+		return (isc__errno2result(errno));
+
+	f = fdopen(fd, "w");
+	if (f == NULL) {
+		result = isc__errno2result(errno);
+		close(fd);
+		return (result);
+	}
+
+	*fp = f;
+	return (ISC_R_SUCCESS);
+}
+
+isc_result_t
+isc_file_splitpath(isc_mem_t *mctx, char *path, char **dirname, char **basename)
+{
+	char *dir, *file, *slash;
+
+	slash = strrchr(path, '/');
+
+	if (slash == path) {
+		file = ++slash;
+		dir = isc_mem_strdup(mctx, "/");
+	} else if (slash != NULL) {
+		file = ++slash;
+		dir = isc_mem_allocate(mctx, slash - path);
+		if (dir != NULL)
+			strlcpy(dir, path, slash - path);
+	} else {
+		file = path;
+		dir = isc_mem_strdup(mctx, ".");
+	}
+
+	if (dir == NULL)
+		return (ISC_R_NOMEMORY);
+
+	if (*file == '\0') {
+		isc_mem_free(mctx, dir);
+		return (ISC_R_INVALIDFILE);
+	}
+
+	*dirname = dir;
+	*basename = file;
+
+	return (ISC_R_SUCCESS);
+}
diff --git a/lib/isc/unix/ifiter_getifaddrs.c b/lib/isc/unix/ifiter_getifaddrs.c
index 1e9c814..90a3faf 100644
--- a/lib/isc/unix/ifiter_getifaddrs.c
+++ b/lib/isc/unix/ifiter_getifaddrs.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: ifiter_getifaddrs.c,v 1.11.120.2 2009-09-24 23:47:34 tbox Exp $ */
+/* $Id: ifiter_getifaddrs.c,v 1.13 2009-09-24 23:48:13 tbox Exp $ */
 
 /*! \file
  * \brief
diff --git a/lib/isc/unix/ifiter_ioctl.c b/lib/isc/unix/ifiter_ioctl.c
index c004f61..010b365 100644
--- a/lib/isc/unix/ifiter_ioctl.c
+++ b/lib/isc/unix/ifiter_ioctl.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: ifiter_ioctl.c,v 1.60.120.2 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: ifiter_ioctl.c,v 1.62 2009-01-18 23:48:14 tbox Exp $ */
 
 /*! \file
  * \brief
diff --git a/lib/isc/unix/include/isc/net.h b/lib/isc/unix/include/isc/net.h
index 5fad793..112f1d7 100644
--- a/lib/isc/unix/include/isc/net.h
+++ b/lib/isc/unix/include/isc/net.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007-2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2008  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: net.h,v 1.48.84.2 2009-02-16 23:47:15 tbox Exp $ */
+/* $Id: net.h,v 1.50 2008-12-01 04:14:54 marka Exp $ */
 
 #ifndef ISC_NET_H
 #define ISC_NET_H 1
diff --git a/lib/isc/unix/include/isc/offset.h b/lib/isc/unix/include/isc/offset.h
index 91f43c37..2920899 100644
--- a/lib/isc/unix/include/isc/offset.h
+++ b/lib/isc/unix/include/isc/offset.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2008  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: offset.h,v 1.15.332.2 2009-02-16 23:47:15 tbox Exp $ */
+/* $Id: offset.h,v 1.17 2008-12-01 23:47:45 tbox Exp $ */
 
 #ifndef ISC_OFFSET_H
 #define ISC_OFFSET_H 1
diff --git a/lib/isc/unix/include/isc/strerror.h b/lib/isc/unix/include/isc/strerror.h
index e094e96..ac8d496 100644
--- a/lib/isc/unix/include/isc/strerror.h
+++ b/lib/isc/unix/include/isc/strerror.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007, 2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2008  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: strerror.h,v 1.8.332.2 2009-02-16 23:47:15 tbox Exp $ */
+/* $Id: strerror.h,v 1.10 2008-12-01 23:47:45 tbox Exp $ */
 
 #ifndef ISC_STRERROR_H
 #define ISC_STRERROR_H
diff --git a/lib/isc/unix/include/isc/time.h b/lib/isc/unix/include/isc/time.h
index 2149011..19f0810 100644
--- a/lib/isc/unix/include/isc/time.h
+++ b/lib/isc/unix/include/isc/time.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: time.h,v 1.38.56.2 2009-01-05 23:47:23 tbox Exp $ */
+/* $Id: time.h,v 1.40 2009-01-05 23:47:54 tbox Exp $ */
 
 #ifndef ISC_TIME_H
 #define ISC_TIME_H 1
diff --git a/lib/isc/unix/interfaceiter.c b/lib/isc/unix/interfaceiter.c
index 2d60a33..37fc3b1 100644
--- a/lib/isc/unix/interfaceiter.c
+++ b/lib/isc/unix/interfaceiter.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007-2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007, 2008  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: interfaceiter.c,v 1.44.120.2 2009-02-16 23:47:15 tbox Exp $ */
+/* $Id: interfaceiter.c,v 1.45 2008-12-01 03:51:47 marka Exp $ */
 
 /*! \file */
 
diff --git a/lib/isc/unix/resource.c b/lib/isc/unix/resource.c
index 1061282..99a4b8c 100644
--- a/lib/isc/unix/resource.c
+++ b/lib/isc/unix/resource.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: resource.c,v 1.21.66.2 2009-02-13 23:47:39 tbox Exp $ */
+/* $Id: resource.c,v 1.23 2009-02-13 23:48:14 tbox Exp $ */
 
 #include 
 
diff --git a/lib/isc/unix/socket.c b/lib/isc/unix/socket.c
index 055e883..ec7487e 100644
--- a/lib/isc/unix/socket.c
+++ b/lib/isc/unix/socket.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2010  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1998-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: socket.c,v 1.308.12.17 2010-12-22 03:28:13 marka Exp $ */
+/* $Id: socket.c,v 1.333.14.2.2.1 2011-06-02 23:47:36 tbox Exp $ */
 
 /*! \file */
 
@@ -76,9 +76,19 @@
 
 #include "errno2result.h"
 
-#ifndef ISC_PLATFORM_USETHREADS
+/* See task.c about the following definition: */
+#ifdef BIND9
+#ifdef ISC_PLATFORM_USETHREADS
+#define USE_WATCHER_THREAD
+#else
+#define USE_SHARED_MANAGER
+#endif	/* ISC_PLATFORM_USETHREADS */
+#endif	/* BIND9 */
+
+#ifndef USE_WATCHER_THREAD
 #include "socket_p.h"
-#endif /* ISC_PLATFORM_USETHREADS */
+#include "../task_p.h"
+#endif /* USE_WATCHER_THREAD */
 
 #if defined(SO_BSDCOMPAT) && defined(__linux__)
 #include 
@@ -101,7 +111,7 @@ typedef struct {
 #define USE_SELECT
 #endif	/* ISC_PLATFORM_HAVEKQUEUE */
 
-#ifndef ISC_PLATFORM_USETHREADS
+#ifndef USE_WATCHER_THREAD
 #if defined(USE_KQUEUE) || defined(USE_EPOLL) || defined(USE_DEVPOLL)
 struct isc_socketwait {
 	int nevents;
@@ -114,7 +124,7 @@ struct isc_socketwait {
 	int maxfd;
 };
 #endif	/* USE_KQUEUE */
-#endif /* !ISC_PLATFORM_USETHREADS */
+#endif /* !USE_WATCHER_THREAD */
 
 /*%
  * Maximum number of allowable open sockets.  This is also the maximum
@@ -248,7 +258,7 @@ typedef enum { poll_idle, poll_active, poll_checking } pollstate_t;
 typedef isc_event_t intev_t;
 
 #define SOCKET_MAGIC		ISC_MAGIC('I', 'O', 'i', 'o')
-#define VALID_SOCKET(t)		ISC_MAGIC_VALID(t, SOCKET_MAGIC)
+#define VALID_SOCKET(s)		ISC_MAGIC_VALID(s, SOCKET_MAGIC)
 
 /*!
  * IPv6 control information.  If the socket is an IPv6 socket we want
@@ -282,16 +292,21 @@ typedef isc_event_t intev_t;
  */
 #define NRETRIES 10
 
-struct isc_socket {
+typedef struct isc__socket isc__socket_t;
+typedef struct isc__socketmgr isc__socketmgr_t;
+
+#define NEWCONNSOCK(ev) ((isc__socket_t *)(ev)->newsocket)
+
+struct isc__socket {
 	/* Not locked. */
-	unsigned int		magic;
-	isc_socketmgr_t	       *manager;
+	isc_socket_t		common;
+	isc__socketmgr_t	*manager;
 	isc_mutex_t		lock;
 	isc_sockettype_t	type;
 	const isc_statscounter_t	*statsindex;
 
 	/* Locked by socket lock. */
-	ISC_LINK(isc_socket_t)	link;
+	ISC_LINK(isc__socket_t)	link;
 	unsigned int		references;
 	int			fd;
 	int			pf;
@@ -339,9 +354,9 @@ struct isc_socket {
 #define SOCKET_MANAGER_MAGIC	ISC_MAGIC('I', 'O', 'm', 'g')
 #define VALID_MANAGER(m)	ISC_MAGIC_VALID(m, SOCKET_MANAGER_MAGIC)
 
-struct isc_socketmgr {
+struct isc__socketmgr {
 	/* Not locked. */
-	unsigned int		magic;
+	isc_socketmgr_t		common;
 	isc_mem_t	       *mctx;
 	isc_mutex_t		lock;
 	isc_mutex_t		*fdlock;
@@ -370,14 +385,14 @@ struct isc_socketmgr {
 #endif
 
 	/* Locked by fdlock. */
-	isc_socket_t	       **fds;
+	isc__socket_t	       **fds;
 	int			*fdstate;
 #ifdef USE_DEVPOLL
 	pollinfo_t		*fdpollinfo;
 #endif
 
 	/* Locked by manager lock. */
-	ISC_LIST(isc_socket_t)	socklist;
+	ISC_LIST(isc__socket_t)	socklist;
 #ifdef USE_SELECT
 	fd_set			*read_fds;
 	fd_set			*read_fds_copy;
@@ -386,17 +401,18 @@ struct isc_socketmgr {
 	int			maxfd;
 #endif	/* USE_SELECT */
 	int			reserved;	/* unlocked */
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WATCHER_THREAD
 	isc_thread_t		watcher;
 	isc_condition_t		shutdown_ok;
-#else /* ISC_PLATFORM_USETHREADS */
+#else /* USE_WATCHER_THREAD */
 	unsigned int		refs;
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_WATCHER_THREAD */
+	int			maxudp;
 };
 
-#ifndef ISC_PLATFORM_USETHREADS
-static isc_socketmgr_t *socketmgr = NULL;
-#endif /* ISC_PLATFORM_USETHREADS */
+#ifdef USE_SHARED_MANAGER
+static isc__socketmgr_t *socketmgr = NULL;
+#endif /* USE_SHARED_MANAGER */
 
 #define CLOSED			0	/* this one must be zero */
 #define MANAGED			1
@@ -412,26 +428,165 @@ static isc_socketmgr_t *socketmgr = NULL;
 # define MAXSCATTERGATHER_RECV	(ISC_SOCKET_MAXSCATTERGATHER)
 #endif
 
-static void send_recvdone_event(isc_socket_t *, isc_socketevent_t **);
-static void send_senddone_event(isc_socket_t *, isc_socketevent_t **);
-static void free_socket(isc_socket_t **);
-static isc_result_t allocate_socket(isc_socketmgr_t *, isc_sockettype_t,
-				    isc_socket_t **);
-static void destroy(isc_socket_t **);
+static void send_recvdone_event(isc__socket_t *, isc_socketevent_t **);
+static void send_senddone_event(isc__socket_t *, isc_socketevent_t **);
+static void free_socket(isc__socket_t **);
+static isc_result_t allocate_socket(isc__socketmgr_t *, isc_sockettype_t,
+				    isc__socket_t **);
+static void destroy(isc__socket_t **);
 static void internal_accept(isc_task_t *, isc_event_t *);
 static void internal_connect(isc_task_t *, isc_event_t *);
 static void internal_recv(isc_task_t *, isc_event_t *);
 static void internal_send(isc_task_t *, isc_event_t *);
 static void internal_fdwatch_write(isc_task_t *, isc_event_t *);
 static void internal_fdwatch_read(isc_task_t *, isc_event_t *);
-static void process_cmsg(isc_socket_t *, struct msghdr *, isc_socketevent_t *);
-static void build_msghdr_send(isc_socket_t *, isc_socketevent_t *,
+static void process_cmsg(isc__socket_t *, struct msghdr *, isc_socketevent_t *);
+static void build_msghdr_send(isc__socket_t *, isc_socketevent_t *,
 			      struct msghdr *, struct iovec *, size_t *);
-static void build_msghdr_recv(isc_socket_t *, isc_socketevent_t *,
+static void build_msghdr_recv(isc__socket_t *, isc_socketevent_t *,
 			      struct msghdr *, struct iovec *, size_t *);
-#ifdef ISC_PLATFORM_USETHREADS
-static isc_boolean_t process_ctlfd(isc_socketmgr_t *manager);
+#ifdef USE_WATCHER_THREAD
+static isc_boolean_t process_ctlfd(isc__socketmgr_t *manager);
+#endif
+
+/*%
+ * The following can be either static or public, depending on build environment.
+ */
+
+#ifdef BIND9
+#define ISC_SOCKETFUNC_SCOPE
+#else
+#define ISC_SOCKETFUNC_SCOPE static
+#endif
+
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_create(isc_socketmgr_t *manager, int pf, isc_sockettype_t type,
+		   isc_socket_t **socketp);
+ISC_SOCKETFUNC_SCOPE void
+isc__socket_attach(isc_socket_t *sock, isc_socket_t **socketp);
+ISC_SOCKETFUNC_SCOPE void
+isc__socket_detach(isc_socket_t **socketp);
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socketmgr_create(isc_mem_t *mctx, isc_socketmgr_t **managerp);
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socketmgr_create2(isc_mem_t *mctx, isc_socketmgr_t **managerp,
+		       unsigned int maxsocks);
+ISC_SOCKETFUNC_SCOPE void
+isc__socketmgr_destroy(isc_socketmgr_t **managerp);
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_recvv(isc_socket_t *sock, isc_bufferlist_t *buflist,
+		 unsigned int minimum, isc_task_t *task,
+		  isc_taskaction_t action, const void *arg);
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_recv(isc_socket_t *sock, isc_region_t *region,
+		 unsigned int minimum, isc_task_t *task,
+		 isc_taskaction_t action, const void *arg);
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_recv2(isc_socket_t *sock, isc_region_t *region,
+		  unsigned int minimum, isc_task_t *task,
+		  isc_socketevent_t *event, unsigned int flags);
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_send(isc_socket_t *sock, isc_region_t *region,
+		 isc_task_t *task, isc_taskaction_t action, const void *arg);
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_sendto(isc_socket_t *sock, isc_region_t *region,
+		   isc_task_t *task, isc_taskaction_t action, const void *arg,
+		   isc_sockaddr_t *address, struct in6_pktinfo *pktinfo);
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_sendv(isc_socket_t *sock, isc_bufferlist_t *buflist,
+		  isc_task_t *task, isc_taskaction_t action, const void *arg);
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_sendtov(isc_socket_t *sock, isc_bufferlist_t *buflist,
+		    isc_task_t *task, isc_taskaction_t action, const void *arg,
+		    isc_sockaddr_t *address, struct in6_pktinfo *pktinfo);
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_sendto2(isc_socket_t *sock, isc_region_t *region,
+		    isc_task_t *task,
+		    isc_sockaddr_t *address, struct in6_pktinfo *pktinfo,
+		    isc_socketevent_t *event, unsigned int flags);
+ISC_SOCKETFUNC_SCOPE void
+isc__socket_cleanunix(isc_sockaddr_t *sockaddr, isc_boolean_t active);
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_permunix(isc_sockaddr_t *sockaddr, isc_uint32_t perm,
+		     isc_uint32_t owner, isc_uint32_t group);
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_bind(isc_socket_t *sock, isc_sockaddr_t *sockaddr,
+		 unsigned int options);
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_filter(isc_socket_t *sock, const char *filter);
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_listen(isc_socket_t *sock, unsigned int backlog);
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_accept(isc_socket_t *sock,
+		   isc_task_t *task, isc_taskaction_t action, const void *arg);
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_connect(isc_socket_t *sock, isc_sockaddr_t *addr,
+		    isc_task_t *task, isc_taskaction_t action,
+		    const void *arg);
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_getpeername(isc_socket_t *sock, isc_sockaddr_t *addressp);
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_getsockname(isc_socket_t *sock, isc_sockaddr_t *addressp);
+ISC_SOCKETFUNC_SCOPE void
+isc__socket_cancel(isc_socket_t *sock, isc_task_t *task, unsigned int how);
+ISC_SOCKETFUNC_SCOPE isc_sockettype_t
+isc__socket_gettype(isc_socket_t *sock);
+ISC_SOCKETFUNC_SCOPE isc_boolean_t
+isc__socket_isbound(isc_socket_t *sock);
+ISC_SOCKETFUNC_SCOPE void
+isc__socket_ipv6only(isc_socket_t *sock, isc_boolean_t yes);
+#if defined(HAVE_LIBXML2) && defined(BIND9)
+ISC_SOCKETFUNC_SCOPE void
+isc__socketmgr_renderxml(isc_socketmgr_t *mgr0, xmlTextWriterPtr writer);
+#endif
+
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_fdwatchcreate(isc_socketmgr_t *manager, int fd, int flags,
+			  isc_sockfdwatch_t callback, void *cbarg,
+			  isc_task_t *task, isc_socket_t **socketp);
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_fdwatchpoke(isc_socket_t *sock, int flags);
+
+static struct {
+	isc_socketmethods_t methods;
+
+	/*%
+	 * The following are defined just for avoiding unused static functions.
+	 */
+#ifndef BIND9
+	void *recvv, *send, *sendv, *sendto2, *cleanunix, *permunix, *filter,
+		*listen, *accept, *getpeername, *isbound;
+#endif
+} socketmethods = {
+	{
+		isc__socket_attach,
+		isc__socket_detach,
+		isc__socket_bind,
+		isc__socket_sendto,
+		isc__socket_connect,
+		isc__socket_recv,
+		isc__socket_cancel,
+		isc__socket_getsockname,
+		isc__socket_gettype,
+		isc__socket_ipv6only,
+		isc__socket_fdwatchpoke
+	}
+#ifndef BIND9
+	,
+	(void *)isc__socket_recvv, (void *)isc__socket_send,
+	(void *)isc__socket_sendv, (void *)isc__socket_sendto2,
+	(void *)isc__socket_cleanunix, (void *)isc__socket_permunix,
+	(void *)isc__socket_filter, (void *)isc__socket_listen,
+	(void *)isc__socket_accept, (void *)isc__socket_getpeername,
+	(void *)isc__socket_isbound
 #endif
+};
+
+static isc_socketmgrmethods_t socketmgrmethods = {
+	isc__socketmgr_destroy,
+	isc__socket_create,
+	isc__socket_fdwatchcreate
+};
 
 #define SELECT_POKE_SHUTDOWN		(-1)
 #define SELECT_POKE_NOTHING		(-2)
@@ -531,12 +686,14 @@ static const isc_statscounter_t fdwatchstatsindex[] = {
 	isc_sockstatscounter_fdwatchrecvfail
 };
 
+#if defined(USE_KQUEUE) || defined(USE_EPOLL) || defined(USE_DEVPOLL) || \
+    defined(USE_WATCHER_THREAD)
 static void
-manager_log(isc_socketmgr_t *sockmgr,
+manager_log(isc__socketmgr_t *sockmgr,
 	    isc_logcategory_t *category, isc_logmodule_t *module, int level,
 	    const char *fmt, ...) ISC_FORMAT_PRINTF(5, 6);
 static void
-manager_log(isc_socketmgr_t *sockmgr,
+manager_log(isc__socketmgr_t *sockmgr,
 	    isc_logcategory_t *category, isc_logmodule_t *module, int level,
 	    const char *fmt, ...)
 {
@@ -553,14 +710,15 @@ manager_log(isc_socketmgr_t *sockmgr,
 	isc_log_write(isc_lctx, category, module, level,
 		      "sockmgr %p: %s", sockmgr, msgbuf);
 }
+#endif
 
 static void
-socket_log(isc_socket_t *sock, isc_sockaddr_t *address,
+socket_log(isc__socket_t *sock, isc_sockaddr_t *address,
 	   isc_logcategory_t *category, isc_logmodule_t *module, int level,
 	   isc_msgcat_t *msgcat, int msgset, int message,
 	   const char *fmt, ...) ISC_FORMAT_PRINTF(9, 10);
 static void
-socket_log(isc_socket_t *sock, isc_sockaddr_t *address,
+socket_log(isc__socket_t *sock, isc_sockaddr_t *address,
 	   isc_logcategory_t *category, isc_logmodule_t *module, int level,
 	   isc_msgcat_t *msgcat, int msgset, int message,
 	   const char *fmt, ...)
@@ -595,7 +753,7 @@ socket_log(isc_socket_t *sock, isc_sockaddr_t *address,
  * setting IPV6_V6ONLY.
  */
 static void
-FIX_IPV6_RECVPKTINFO(isc_socket_t *sock)
+FIX_IPV6_RECVPKTINFO(isc__socket_t *sock)
 {
 	char strbuf[ISC_STRERRORSIZE];
 	int on = 1;
@@ -632,7 +790,7 @@ inc_stats(isc_stats_t *stats, isc_statscounter_t counterid) {
 }
 
 static inline isc_result_t
-watch_fd(isc_socketmgr_t *manager, int fd, int msg) {
+watch_fd(isc__socketmgr_t *manager, int fd, int msg) {
 	isc_result_t result = ISC_R_SUCCESS;
 
 #ifdef USE_KQUEUE
@@ -700,7 +858,7 @@ watch_fd(isc_socketmgr_t *manager, int fd, int msg) {
 }
 
 static inline isc_result_t
-unwatch_fd(isc_socketmgr_t *manager, int fd, int msg) {
+unwatch_fd(isc__socketmgr_t *manager, int fd, int msg) {
 	isc_result_t result = ISC_R_SUCCESS;
 
 #ifdef USE_KQUEUE
@@ -787,7 +945,7 @@ unwatch_fd(isc_socketmgr_t *manager, int fd, int msg) {
 }
 
 static void
-wakeup_socket(isc_socketmgr_t *manager, int fd, int msg) {
+wakeup_socket(isc__socketmgr_t *manager, int fd, int msg) {
 	isc_result_t result;
 	int lockid = FDLOCK_ID(fd);
 
@@ -848,14 +1006,14 @@ wakeup_socket(isc_socketmgr_t *manager, int fd, int msg) {
 	}
 }
 
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WATCHER_THREAD
 /*
  * Poke the select loop when there is something for us to do.
  * The write is required (by POSIX) to complete.  That is, we
  * will not get partial writes.
  */
 static void
-select_poke(isc_socketmgr_t *mgr, int fd, int msg) {
+select_poke(isc__socketmgr_t *mgr, int fd, int msg) {
 	int cc;
 	int buf[2];
 	char strbuf[ISC_STRERRORSIZE];
@@ -894,7 +1052,7 @@ select_poke(isc_socketmgr_t *mgr, int fd, int msg) {
  * Read a message on the internal fd.
  */
 static void
-select_readmsg(isc_socketmgr_t *mgr, int *fd, int *msg) {
+select_readmsg(isc__socketmgr_t *mgr, int *fd, int *msg) {
 	int buf[2];
 	int cc;
 	char strbuf[ISC_STRERRORSIZE];
@@ -921,19 +1079,19 @@ select_readmsg(isc_socketmgr_t *mgr, int *fd, int *msg) {
 	*fd = buf[0];
 	*msg = buf[1];
 }
-#else /* ISC_PLATFORM_USETHREADS */
+#else /* USE_WATCHER_THREAD */
 /*
  * Update the state of the socketmgr when something changes.
  */
 static void
-select_poke(isc_socketmgr_t *manager, int fd, int msg) {
+select_poke(isc__socketmgr_t *manager, int fd, int msg) {
 	if (msg == SELECT_POKE_SHUTDOWN)
 		return;
 	else if (fd >= 0)
 		wakeup_socket(manager, fd, msg);
 	return;
 }
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_WATCHER_THREAD */
 
 /*
  * Make a fd non-blocking.
@@ -1026,7 +1184,7 @@ cmsg_space(ISC_SOCKADDR_LEN_T len) {
  * Process control messages received on a socket.
  */
 static void
-process_cmsg(isc_socket_t *sock, struct msghdr *msg, isc_socketevent_t *dev) {
+process_cmsg(isc__socket_t *sock, struct msghdr *msg, isc_socketevent_t *dev) {
 #ifdef USE_CMSG
 	struct cmsghdr *cmsgp;
 #ifdef ISC_PLATFORM_HAVEIN6PKTINFO
@@ -1129,7 +1287,7 @@ process_cmsg(isc_socket_t *sock, struct msghdr *msg, isc_socketevent_t *dev) {
  * this transaction can send.
  */
 static void
-build_msghdr_send(isc_socket_t *sock, isc_socketevent_t *dev,
+build_msghdr_send(isc__socket_t *sock, isc_socketevent_t *dev,
 		  struct msghdr *msg, struct iovec *iov, size_t *write_countp)
 {
 	unsigned int iovcount;
@@ -1248,7 +1406,7 @@ build_msghdr_send(isc_socket_t *sock, isc_socketevent_t *dev,
  * this transaction can receive.
  */
 static void
-build_msghdr_recv(isc_socket_t *sock, isc_socketevent_t *dev,
+build_msghdr_recv(isc__socket_t *sock, isc_socketevent_t *dev,
 		  struct msghdr *msg, struct iovec *iov, size_t *read_countp)
 {
 	unsigned int iovcount;
@@ -1369,7 +1527,7 @@ build_msghdr_recv(isc_socket_t *sock, isc_socketevent_t *dev,
 }
 
 static void
-set_dev_address(isc_sockaddr_t *address, isc_socket_t *sock,
+set_dev_address(isc_sockaddr_t *address, isc__socket_t *sock,
 		isc_socketevent_t *dev)
 {
 	if (sock->type == isc_sockettype_udp) {
@@ -1393,7 +1551,7 @@ destroy_socketevent(isc_event_t *event) {
 }
 
 static isc_socketevent_t *
-allocate_socketevent(isc_socket_t *sock, isc_eventtype_t eventtype,
+allocate_socketevent(isc__socket_t *sock, isc_eventtype_t eventtype,
 		     isc_taskaction_t action, const void *arg)
 {
 	isc_socketevent_t *ev;
@@ -1446,7 +1604,7 @@ dump_msg(struct msghdr *msg) {
 #define DOIO_EOF		3	/* EOF, no event sent */
 
 static int
-doio_recv(isc_socket_t *sock, isc_socketevent_t *dev) {
+doio_recv(isc__socket_t *sock, isc_socketevent_t *dev) {
 	int cc;
 	struct iovec iov[MAXSCATTERGATHER_RECV];
 	size_t read_count;
@@ -1554,6 +1712,12 @@ doio_recv(isc_socket_t *sock, isc_socketevent_t *dev) {
 			}
 			return (DOIO_SOFT);
 		}
+		/*
+		 * Simulate a firewall blocking UDP responses bigger than
+		 * 512 bytes.
+		 */
+		if (sock->manager->maxudp != 0 && cc > sock->manager->maxudp)
+			return (DOIO_SOFT);
 	}
 
 	socket_log(sock, &dev->address, IOEVENT,
@@ -1630,7 +1794,7 @@ doio_recv(isc_socket_t *sock, isc_socketevent_t *dev) {
  *	No other return values are possible.
  */
 static int
-doio_send(isc_socket_t *sock, isc_socketevent_t *dev) {
+doio_send(isc__socket_t *sock, isc_socketevent_t *dev) {
 	int cc;
 	struct iovec iov[MAXSCATTERGATHER_SEND];
 	size_t write_count;
@@ -1741,7 +1905,7 @@ doio_send(isc_socket_t *sock, isc_socketevent_t *dev) {
  * references exist.
  */
 static void
-closesocket(isc_socketmgr_t *manager, isc_socket_t *sock, int fd) {
+closesocket(isc__socketmgr_t *manager, isc__socket_t *sock, int fd) {
 	isc_sockettype_t type = sock->type;
 	int lockid = FDLOCK_ID(fd);
 
@@ -1804,10 +1968,10 @@ closesocket(isc_socketmgr_t *manager, isc_socket_t *sock, int fd) {
 }
 
 static void
-destroy(isc_socket_t **sockp) {
+destroy(isc__socket_t **sockp) {
 	int fd;
-	isc_socket_t *sock = *sockp;
-	isc_socketmgr_t *manager = sock->manager;
+	isc__socket_t *sock = *sockp;
+	isc__socketmgr_t *manager = sock->manager;
 
 	socket_log(sock, NULL, CREATION, isc_msgcat, ISC_MSGSET_SOCKET,
 		   ISC_MSG_DESTROYING, "destroying");
@@ -1828,10 +1992,10 @@ destroy(isc_socket_t **sockp) {
 
 	ISC_LIST_UNLINK(manager->socklist, sock, link);
 
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WATCHER_THREAD
 	if (ISC_LIST_EMPTY(manager->socklist))
 		SIGNAL(&manager->shutdown_ok);
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_WATCHER_THREAD */
 
 	UNLOCK(&manager->lock);
 
@@ -1839,10 +2003,10 @@ destroy(isc_socket_t **sockp) {
 }
 
 static isc_result_t
-allocate_socket(isc_socketmgr_t *manager, isc_sockettype_t type,
-		isc_socket_t **socketp)
+allocate_socket(isc__socketmgr_t *manager, isc_sockettype_t type,
+		isc__socket_t **socketp)
 {
-	isc_socket_t *sock;
+	isc__socket_t *sock;
 	isc_result_t result;
 	ISC_SOCKADDR_LEN_T cmsgbuflen;
 
@@ -1853,7 +2017,8 @@ allocate_socket(isc_socketmgr_t *manager, isc_sockettype_t type,
 
 	result = ISC_R_UNEXPECTED;
 
-	sock->magic = 0;
+	sock->common.magic = 0;
+	sock->common.impmagic = 0;
 	sock->references = 0;
 
 	sock->manager = manager;
@@ -1917,7 +2082,8 @@ allocate_socket(isc_socketmgr_t *manager, isc_sockettype_t type,
 	 */
 	result = isc_mutex_init(&sock->lock);
 	if (result != ISC_R_SUCCESS) {
-		sock->magic = 0;
+		sock->common.magic = 0;
+		sock->common.impmagic = 0;
 		goto error;
 	}
 
@@ -1931,7 +2097,8 @@ allocate_socket(isc_socketmgr_t *manager, isc_sockettype_t type,
 		       ISC_EVENTATTR_NOPURGE, NULL, ISC_SOCKEVENT_INTW,
 		       NULL, sock, sock, NULL, NULL);
 
-	sock->magic = SOCKET_MAGIC;
+	sock->common.magic = ISCAPI_SOCKET_MAGIC;
+	sock->common.impmagic = SOCKET_MAGIC;
 	*socketp = sock;
 
 	return (ISC_R_SUCCESS);
@@ -1956,8 +2123,8 @@ allocate_socket(isc_socketmgr_t *manager, isc_sockettype_t type,
  * also close the socket.
  */
 static void
-free_socket(isc_socket_t **socketp) {
-	isc_socket_t *sock = *socketp;
+free_socket(isc__socket_t **socketp) {
+	isc__socket_t *sock = *socketp;
 
 	INSIST(sock->references == 0);
 	INSIST(VALID_SOCKET(sock));
@@ -1977,7 +2144,8 @@ free_socket(isc_socket_t **socketp) {
 		isc_mem_put(sock->manager->mctx, sock->sendcmsgbuf,
 			    sock->sendcmsgbuflen);
 
-	sock->magic = 0;
+	sock->common.magic = 0;
+	sock->common.impmagic = 0;
 
 	DESTROYLOCK(&sock->lock);
 
@@ -2025,7 +2193,7 @@ clear_bsdcompat(void) {
 #endif
 
 static isc_result_t
-opensocket(isc_socketmgr_t *manager, isc_socket_t *sock) {
+opensocket(isc__socketmgr_t *manager, isc__socket_t *sock) {
 	char strbuf[ISC_STRERRORSIZE];
 	const char *err = "socket";
 	int tries = 0;
@@ -2316,11 +2484,12 @@ opensocket(isc_socketmgr_t *manager, isc_socket_t *sock) {
  * called with 'arg' as the arg value.  The new socket is returned
  * in 'socketp'.
  */
-isc_result_t
-isc_socket_create(isc_socketmgr_t *manager, int pf, isc_sockettype_t type,
-		  isc_socket_t **socketp)
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_create(isc_socketmgr_t *manager0, int pf, isc_sockettype_t type,
+		   isc_socket_t **socketp)
 {
-	isc_socket_t *sock = NULL;
+	isc__socket_t *sock = NULL;
+	isc__socketmgr_t *manager = (isc__socketmgr_t *)manager0;
 	isc_result_t result;
 	int lockid;
 
@@ -2356,8 +2525,9 @@ isc_socket_create(isc_socketmgr_t *manager, int pf, isc_sockettype_t type,
 		return (result);
 	}
 
+	sock->common.methods = (isc_socketmethods_t *)&socketmethods;
 	sock->references = 1;
-	*socketp = sock;
+	*socketp = (isc_socket_t *)sock;
 
 	/*
 	 * Note we don't have to lock the socket like we normally would because
@@ -2388,9 +2558,11 @@ isc_socket_create(isc_socketmgr_t *manager, int pf, isc_sockettype_t type,
 	return (ISC_R_SUCCESS);
 }
 
-isc_result_t
-isc_socket_open(isc_socket_t *sock) {
+#ifdef BIND9
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_open(isc_socket_t *sock0) {
 	isc_result_t result;
+	isc__socket_t *sock = (isc__socket_t *)sock0;
 
 	REQUIRE(VALID_SOCKET(sock));
 
@@ -2430,6 +2602,7 @@ isc_socket_open(isc_socket_t *sock) {
 
 	return (result);
 }
+#endif	/* BIND9 */
 
 /*
  * Create a new 'type' socket managed by 'manager'.  Events
@@ -2437,12 +2610,13 @@ isc_socket_open(isc_socket_t *sock) {
  * called with 'arg' as the arg value.  The new socket is returned
  * in 'socketp'.
  */
-isc_result_t
-isc_socket_fdwatchcreate(isc_socketmgr_t *manager, int fd, int flags,
-			 isc_sockfdwatch_t callback, void *cbarg,
-			 isc_task_t *task, isc_socket_t **socketp)
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_fdwatchcreate(isc_socketmgr_t *manager0, int fd, int flags,
+			  isc_sockfdwatch_t callback, void *cbarg,
+			  isc_task_t *task, isc_socket_t **socketp)
 {
-	isc_socket_t *sock = NULL;
+	isc__socketmgr_t *manager = (isc__socketmgr_t *)manager0;
+	isc__socket_t *sock = NULL;
 	isc_result_t result;
 	int lockid;
 
@@ -2460,8 +2634,9 @@ isc_socket_fdwatchcreate(isc_socketmgr_t *manager, int fd, int flags,
 	sock->fdwatchtask = task;
 	sock->statsindex = fdwatchstatsindex;
 
+	sock->common.methods = (isc_socketmethods_t *)&socketmethods;
 	sock->references = 1;
-	*socketp = sock;
+	*socketp = (isc_socket_t *)sock;
 
 	/*
 	 * Note we don't have to lock the socket like we normally would because
@@ -2494,10 +2669,50 @@ isc_socket_fdwatchcreate(isc_socketmgr_t *manager, int fd, int flags,
 }
 
 /*
+ * Indicate to the manager that it should watch the socket again.
+ * This can be used to restart watching if the previous event handler
+ * didn't indicate there was more data to be processed.  Primarily
+ * it is for writing but could be used for reading if desired
+ */
+
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_fdwatchpoke(isc_socket_t *sock0, int flags)
+{
+	isc__socket_t *sock = (isc__socket_t *)sock0;
+
+	REQUIRE(VALID_SOCKET(sock));
+
+	/*
+	 * We check both flags first to allow us to get the lock
+	 * once but only if we need it.
+	 */
+
+	if ((flags & (ISC_SOCKFDWATCH_READ | ISC_SOCKFDWATCH_WRITE)) != 0) {
+		LOCK(&sock->lock);
+		if (((flags & ISC_SOCKFDWATCH_READ) != 0) &&
+		    !sock->pending_recv)
+			select_poke(sock->manager, sock->fd,
+				    SELECT_POKE_READ);
+		if (((flags & ISC_SOCKFDWATCH_WRITE) != 0) &&
+		    !sock->pending_send)
+			select_poke(sock->manager, sock->fd,
+				    SELECT_POKE_WRITE);
+		UNLOCK(&sock->lock);
+	}
+
+	socket_log(sock, NULL, TRACE, isc_msgcat, ISC_MSGSET_SOCKET,
+		   ISC_MSG_POKED, "fdwatch-poked flags: %d", flags);
+
+	return (ISC_R_SUCCESS);
+}
+
+/*
  * Attach to a socket.  Caller must explicitly detach when it is done.
  */
-void
-isc_socket_attach(isc_socket_t *sock, isc_socket_t **socketp) {
+ISC_SOCKETFUNC_SCOPE void
+isc__socket_attach(isc_socket_t *sock0, isc_socket_t **socketp) {
+	isc__socket_t *sock = (isc__socket_t *)sock0;
+
 	REQUIRE(VALID_SOCKET(sock));
 	REQUIRE(socketp != NULL && *socketp == NULL);
 
@@ -2505,20 +2720,20 @@ isc_socket_attach(isc_socket_t *sock, isc_socket_t **socketp) {
 	sock->references++;
 	UNLOCK(&sock->lock);
 
-	*socketp = sock;
+	*socketp = (isc_socket_t *)sock;
 }
 
 /*
  * Dereference a socket.  If this is the last reference to it, clean things
  * up by destroying the socket.
  */
-void
-isc_socket_detach(isc_socket_t **socketp) {
-	isc_socket_t *sock;
+ISC_SOCKETFUNC_SCOPE void
+isc__socket_detach(isc_socket_t **socketp) {
+	isc__socket_t *sock;
 	isc_boolean_t kill_socket = ISC_FALSE;
 
 	REQUIRE(socketp != NULL);
-	sock = *socketp;
+	sock = (isc__socket_t *)*socketp;
 	REQUIRE(VALID_SOCKET(sock));
 
 	LOCK(&sock->lock);
@@ -2534,10 +2749,12 @@ isc_socket_detach(isc_socket_t **socketp) {
 	*socketp = NULL;
 }
 
-isc_result_t
-isc_socket_close(isc_socket_t *sock) {
+#ifdef BIND9
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_close(isc_socket_t *sock0) {
+	isc__socket_t *sock = (isc__socket_t *)sock0;
 	int fd;
-	isc_socketmgr_t *manager;
+	isc__socketmgr_t *manager;
 	isc_sockettype_t type;
 
 	REQUIRE(VALID_SOCKET(sock));
@@ -2575,6 +2792,7 @@ isc_socket_close(isc_socket_t *sock) {
 
 	return (ISC_R_SUCCESS);
 }
+#endif	/* BIND9 */
 
 /*
  * I/O is possible on a given socket.  Schedule an event to this task that
@@ -2585,7 +2803,7 @@ isc_socket_close(isc_socket_t *sock) {
  * The socket and manager must be locked before calling this function.
  */
 static void
-dispatch_recv(isc_socket_t *sock) {
+dispatch_recv(isc__socket_t *sock) {
 	intev_t *iev;
 	isc_socketevent_t *ev;
 	isc_task_t *sender;
@@ -2619,7 +2837,7 @@ dispatch_recv(isc_socket_t *sock) {
 }
 
 static void
-dispatch_send(isc_socket_t *sock) {
+dispatch_send(isc__socket_t *sock) {
 	intev_t *iev;
 	isc_socketevent_t *ev;
 	isc_task_t *sender;
@@ -2656,7 +2874,7 @@ dispatch_send(isc_socket_t *sock) {
  * Dispatch an internal accept event.
  */
 static void
-dispatch_accept(isc_socket_t *sock) {
+dispatch_accept(isc__socket_t *sock) {
 	intev_t *iev;
 	isc_socket_newconnev_t *ev;
 
@@ -2682,7 +2900,7 @@ dispatch_accept(isc_socket_t *sock) {
 }
 
 static void
-dispatch_connect(isc_socket_t *sock) {
+dispatch_connect(isc__socket_t *sock) {
 	intev_t *iev;
 	isc_socket_connev_t *ev;
 
@@ -2712,7 +2930,7 @@ dispatch_connect(isc_socket_t *sock) {
  * Caller must have the socket locked if the event is attached to the socket.
  */
 static void
-send_recvdone_event(isc_socket_t *sock, isc_socketevent_t **dev) {
+send_recvdone_event(isc__socket_t *sock, isc_socketevent_t **dev) {
 	isc_task_t *task;
 
 	task = (*dev)->ev_sender;
@@ -2735,7 +2953,7 @@ send_recvdone_event(isc_socket_t *sock, isc_socketevent_t **dev) {
  * Caller must have the socket locked if the event is attached to the socket.
  */
 static void
-send_senddone_event(isc_socket_t *sock, isc_socketevent_t **dev) {
+send_senddone_event(isc__socket_t *sock, isc_socketevent_t **dev) {
 	isc_task_t *task;
 
 	INSIST(dev != NULL && *dev != NULL);
@@ -2766,8 +2984,8 @@ send_senddone_event(isc_socket_t *sock, isc_socketevent_t **dev) {
  */
 static void
 internal_accept(isc_task_t *me, isc_event_t *ev) {
-	isc_socket_t *sock;
-	isc_socketmgr_t *manager;
+	isc__socket_t *sock;
+	isc__socketmgr_t *manager;
 	isc_socket_newconnev_t *dev;
 	isc_task_t *task;
 	ISC_SOCKADDR_LEN_T addrlen;
@@ -2822,9 +3040,9 @@ internal_accept(isc_task_t *me, isc_event_t *ev) {
 	 * daemons such as BIND 8 and Apache.
 	 */
 
-	addrlen = sizeof(dev->newsocket->peer_address.type);
-	memset(&dev->newsocket->peer_address.type, 0, addrlen);
-	fd = accept(sock->fd, &dev->newsocket->peer_address.type.sa,
+	addrlen = sizeof(NEWCONNSOCK(dev)->peer_address.type);
+	memset(&NEWCONNSOCK(dev)->peer_address.type, 0, addrlen);
+	fd = accept(sock->fd, &NEWCONNSOCK(dev)->peer_address.type.sa,
 		    (void *)&addrlen);
 
 #ifdef F_DUPFD
@@ -2894,14 +3112,14 @@ internal_accept(isc_task_t *me, isc_event_t *ev) {
 
 			(void)close(fd);
 			goto soft_error;
-		} else if (dev->newsocket->peer_address.type.sa.sa_family !=
+		} else if (NEWCONNSOCK(dev)->peer_address.type.sa.sa_family !=
 			   sock->pf)
 		{
 			UNEXPECTED_ERROR(__FILE__, __LINE__,
 					 "internal_accept(): "
 					 "accept() returned peer address "
 					 "family %u (expected %u)",
-					 dev->newsocket->peer_address.
+					 NEWCONNSOCK(dev)->peer_address.
 					 type.sa.sa_family,
 					 sock->pf);
 			(void)close(fd);
@@ -2920,8 +3138,8 @@ internal_accept(isc_task_t *me, isc_event_t *ev) {
 	}
 
 	if (fd != -1) {
-		dev->newsocket->peer_address.length = addrlen;
-		dev->newsocket->pf = sock->pf;
+		NEWCONNSOCK(dev)->peer_address.length = addrlen;
+		NEWCONNSOCK(dev)->pf = sock->pf;
 	}
 
 	/*
@@ -2950,28 +3168,28 @@ internal_accept(isc_task_t *me, isc_event_t *ev) {
 		int lockid = FDLOCK_ID(fd);
 
 		LOCK(&manager->fdlock[lockid]);
-		manager->fds[fd] = dev->newsocket;
+		manager->fds[fd] = NEWCONNSOCK(dev);
 		manager->fdstate[fd] = MANAGED;
 		UNLOCK(&manager->fdlock[lockid]);
 
 		LOCK(&manager->lock);
-		ISC_LIST_APPEND(manager->socklist, dev->newsocket, link);
+		ISC_LIST_APPEND(manager->socklist, NEWCONNSOCK(dev), link);
 
-		dev->newsocket->fd = fd;
-		dev->newsocket->bound = 1;
-		dev->newsocket->connected = 1;
+		NEWCONNSOCK(dev)->fd = fd;
+		NEWCONNSOCK(dev)->bound = 1;
+		NEWCONNSOCK(dev)->connected = 1;
 
 		/*
 		 * Save away the remote address
 		 */
-		dev->address = dev->newsocket->peer_address;
+		dev->address = NEWCONNSOCK(dev)->peer_address;
 
 #ifdef USE_SELECT
 		if (manager->maxfd < fd)
 			manager->maxfd = fd;
 #endif
 
-		socket_log(sock, &dev->newsocket->peer_address, CREATION,
+		socket_log(sock, &NEWCONNSOCK(dev)->peer_address, CREATION,
 			   isc_msgcat, ISC_MSGSET_SOCKET, ISC_MSG_ACCEPTEDCXN,
 			   "accepted connection, new socket %p",
 			   dev->newsocket);
@@ -2981,8 +3199,8 @@ internal_accept(isc_task_t *me, isc_event_t *ev) {
 		inc_stats(manager->stats, sock->statsindex[STATID_ACCEPT]);
 	} else {
 		inc_stats(manager->stats, sock->statsindex[STATID_ACCEPTFAIL]);
-		dev->newsocket->references--;
-		free_socket(&dev->newsocket);
+		NEWCONNSOCK(dev)->references--;
+		free_socket((isc__socket_t **)&dev->newsocket);
 	}
 
 	/*
@@ -3006,7 +3224,7 @@ internal_accept(isc_task_t *me, isc_event_t *ev) {
 static void
 internal_recv(isc_task_t *me, isc_event_t *ev) {
 	isc_socketevent_t *dev;
-	isc_socket_t *sock;
+	isc__socket_t *sock;
 
 	INSIST(ev->ev_type == ISC_SOCKEVENT_INTR);
 
@@ -3071,14 +3289,14 @@ internal_recv(isc_task_t *me, isc_event_t *ev) {
 static void
 internal_send(isc_task_t *me, isc_event_t *ev) {
 	isc_socketevent_t *dev;
-	isc_socket_t *sock;
+	isc__socket_t *sock;
 
 	INSIST(ev->ev_type == ISC_SOCKEVENT_INTW);
 
 	/*
 	 * Find out what socket this is and lock it.
 	 */
-	sock = (isc_socket_t *)ev->ev_sender;
+	sock = (isc__socket_t *)ev->ev_sender;
 	INSIST(VALID_SOCKET(sock));
 
 	LOCK(&sock->lock);
@@ -3125,7 +3343,7 @@ internal_send(isc_task_t *me, isc_event_t *ev) {
 
 static void
 internal_fdwatch_write(isc_task_t *me, isc_event_t *ev) {
-	isc_socket_t *sock;
+	isc__socket_t *sock;
 	int more_data;
 
 	INSIST(ev->ev_type == ISC_SOCKEVENT_INTW);
@@ -3133,7 +3351,7 @@ internal_fdwatch_write(isc_task_t *me, isc_event_t *ev) {
 	/*
 	 * Find out what socket this is and lock it.
 	 */
-	sock = (isc_socket_t *)ev->ev_sender;
+	sock = (isc__socket_t *)ev->ev_sender;
 	INSIST(VALID_SOCKET(sock));
 
 	LOCK(&sock->lock);
@@ -3144,7 +3362,8 @@ internal_fdwatch_write(isc_task_t *me, isc_event_t *ev) {
 	INSIST(sock->pending_send == 1);
 
 	UNLOCK(&sock->lock);
-	more_data = (sock->fdwatchcb)(me, sock, sock->fdwatcharg);
+	more_data = (sock->fdwatchcb)(me, (isc_socket_t *)sock,
+				      sock->fdwatcharg, ISC_SOCKFDWATCH_WRITE);
 	LOCK(&sock->lock);
 
 	sock->pending_send = 0;
@@ -3165,7 +3384,7 @@ internal_fdwatch_write(isc_task_t *me, isc_event_t *ev) {
 
 static void
 internal_fdwatch_read(isc_task_t *me, isc_event_t *ev) {
-	isc_socket_t *sock;
+	isc__socket_t *sock;
 	int more_data;
 
 	INSIST(ev->ev_type == ISC_SOCKEVENT_INTR);
@@ -3173,7 +3392,7 @@ internal_fdwatch_read(isc_task_t *me, isc_event_t *ev) {
 	/*
 	 * Find out what socket this is and lock it.
 	 */
-	sock = (isc_socket_t *)ev->ev_sender;
+	sock = (isc__socket_t *)ev->ev_sender;
 	INSIST(VALID_SOCKET(sock));
 
 	LOCK(&sock->lock);
@@ -3184,7 +3403,8 @@ internal_fdwatch_read(isc_task_t *me, isc_event_t *ev) {
 	INSIST(sock->pending_recv == 1);
 
 	UNLOCK(&sock->lock);
-	more_data = (sock->fdwatchcb)(me, sock, sock->fdwatcharg);
+	more_data = (sock->fdwatchcb)(me, (isc_socket_t *)sock,
+				      sock->fdwatcharg, ISC_SOCKFDWATCH_READ);
 	LOCK(&sock->lock);
 
 	sock->pending_recv = 0;
@@ -3208,10 +3428,10 @@ internal_fdwatch_read(isc_task_t *me, isc_event_t *ev) {
  * and unlocking twice if both reads and writes are possible.
  */
 static void
-process_fd(isc_socketmgr_t *manager, int fd, isc_boolean_t readable,
+process_fd(isc__socketmgr_t *manager, int fd, isc_boolean_t readable,
 	   isc_boolean_t writeable)
 {
-	isc_socket_t *sock;
+	isc__socket_t *sock;
 	isc_boolean_t unlock_sock;
 	isc_boolean_t unwatch_read = ISC_FALSE, unwatch_write = ISC_FALSE;
 	int lockid = FDLOCK_ID(fd);
@@ -3277,11 +3497,11 @@ check_write:
 
 #ifdef USE_KQUEUE
 static isc_boolean_t
-process_fds(isc_socketmgr_t *manager, struct kevent *events, int nevents) {
+process_fds(isc__socketmgr_t *manager, struct kevent *events, int nevents) {
 	int i;
 	isc_boolean_t readable, writable;
 	isc_boolean_t done = ISC_FALSE;
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WATCHER_THREAD
 	isc_boolean_t have_ctlevent = ISC_FALSE;
 #endif
 
@@ -3299,7 +3519,7 @@ process_fds(isc_socketmgr_t *manager, struct kevent *events, int nevents) {
 
 	for (i = 0; i < nevents; i++) {
 		REQUIRE(events[i].ident < manager->maxsocks);
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WATCHER_THREAD
 		if (events[i].ident == (uintptr_t)manager->pipe_fds[0]) {
 			have_ctlevent = ISC_TRUE;
 			continue;
@@ -3310,7 +3530,7 @@ process_fds(isc_socketmgr_t *manager, struct kevent *events, int nevents) {
 		process_fd(manager, events[i].ident, readable, writable);
 	}
 
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WATCHER_THREAD
 	if (have_ctlevent)
 		done = process_ctlfd(manager);
 #endif
@@ -3319,10 +3539,11 @@ process_fds(isc_socketmgr_t *manager, struct kevent *events, int nevents) {
 }
 #elif defined(USE_EPOLL)
 static isc_boolean_t
-process_fds(isc_socketmgr_t *manager, struct epoll_event *events, int nevents) {
+process_fds(isc__socketmgr_t *manager, struct epoll_event *events, int nevents)
+{
 	int i;
 	isc_boolean_t done = ISC_FALSE;
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WATCHER_THREAD
 	isc_boolean_t have_ctlevent = ISC_FALSE;
 #endif
 
@@ -3335,7 +3556,7 @@ process_fds(isc_socketmgr_t *manager, struct epoll_event *events, int nevents) {
 
 	for (i = 0; i < nevents; i++) {
 		REQUIRE(events[i].data.fd < (int)manager->maxsocks);
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WATCHER_THREAD
 		if (events[i].data.fd == manager->pipe_fds[0]) {
 			have_ctlevent = ISC_TRUE;
 			continue;
@@ -3357,7 +3578,7 @@ process_fds(isc_socketmgr_t *manager, struct epoll_event *events, int nevents) {
 			   (events[i].events & EPOLLOUT) != 0);
 	}
 
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WATCHER_THREAD
 	if (have_ctlevent)
 		done = process_ctlfd(manager);
 #endif
@@ -3366,10 +3587,10 @@ process_fds(isc_socketmgr_t *manager, struct epoll_event *events, int nevents) {
 }
 #elif defined(USE_DEVPOLL)
 static isc_boolean_t
-process_fds(isc_socketmgr_t *manager, struct pollfd *events, int nevents) {
+process_fds(isc__socketmgr_t *manager, struct pollfd *events, int nevents) {
 	int i;
 	isc_boolean_t done = ISC_FALSE;
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WATCHER_THREAD
 	isc_boolean_t have_ctlevent = ISC_FALSE;
 #endif
 
@@ -3382,7 +3603,7 @@ process_fds(isc_socketmgr_t *manager, struct pollfd *events, int nevents) {
 
 	for (i = 0; i < nevents; i++) {
 		REQUIRE(events[i].fd < (int)manager->maxsocks);
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WATCHER_THREAD
 		if (events[i].fd == manager->pipe_fds[0]) {
 			have_ctlevent = ISC_TRUE;
 			continue;
@@ -3393,7 +3614,7 @@ process_fds(isc_socketmgr_t *manager, struct pollfd *events, int nevents) {
 			   (events[i].events & POLLOUT) != 0);
 	}
 
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WATCHER_THREAD
 	if (have_ctlevent)
 		done = process_ctlfd(manager);
 #endif
@@ -3402,27 +3623,27 @@ process_fds(isc_socketmgr_t *manager, struct pollfd *events, int nevents) {
 }
 #elif defined(USE_SELECT)
 static void
-process_fds(isc_socketmgr_t *manager, int maxfd,
-	    fd_set *readfds, fd_set *writefds)
+process_fds(isc__socketmgr_t *manager, int maxfd, fd_set *readfds,
+	    fd_set *writefds)
 {
 	int i;
 
 	REQUIRE(maxfd <= (int)manager->maxsocks);
 
 	for (i = 0; i < maxfd; i++) {
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WATCHER_THREAD
 		if (i == manager->pipe_fds[0] || i == manager->pipe_fds[1])
 			continue;
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_WATCHER_THREAD */
 		process_fd(manager, i, FD_ISSET(i, readfds),
 			   FD_ISSET(i, writefds));
 	}
 }
 #endif
 
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WATCHER_THREAD
 static isc_boolean_t
-process_ctlfd(isc_socketmgr_t *manager) {
+process_ctlfd(isc__socketmgr_t *manager) {
 	int msg, fd;
 
 	for (;;) {
@@ -3470,7 +3691,7 @@ process_ctlfd(isc_socketmgr_t *manager) {
  */
 static isc_threadresult_t
 watcher(void *uap) {
-	isc_socketmgr_t *manager = uap;
+	isc__socketmgr_t *manager = uap;
 	isc_boolean_t done;
 	int ctlfd;
 	int cc;
@@ -3585,22 +3806,34 @@ watcher(void *uap) {
 
 	return ((isc_threadresult_t)0);
 }
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_WATCHER_THREAD */
 
-void
-isc__socketmgr_setreserved(isc_socketmgr_t *manager, isc_uint32_t reserved) {
+#ifdef BIND9
+ISC_SOCKETFUNC_SCOPE void
+isc__socketmgr_setreserved(isc_socketmgr_t *manager0, isc_uint32_t reserved) {
+	isc__socketmgr_t *manager = (isc__socketmgr_t *)manager0;
 
 	REQUIRE(VALID_MANAGER(manager));
 
 	manager->reserved = reserved;
 }
 
+ISC_SOCKETFUNC_SCOPE void
+isc___socketmgr_maxudp(isc_socketmgr_t *manager0, int maxudp) {
+	isc__socketmgr_t *manager = (isc__socketmgr_t *)manager0;
+
+	REQUIRE(VALID_MANAGER(manager));
+
+	manager->maxudp = maxudp;
+}
+#endif	/* BIND9 */
+
 /*
  * Create a new socket manager.
  */
 
 static isc_result_t
-setup_watcher(isc_mem_t *mctx, isc_socketmgr_t *manager) {
+setup_watcher(isc_mem_t *mctx, isc__socketmgr_t *manager) {
 	isc_result_t result;
 #if defined(USE_KQUEUE) || defined(USE_EPOLL) || defined(USE_DEVPOLL)
 	char strbuf[ISC_STRERRORSIZE];
@@ -3626,7 +3859,7 @@ setup_watcher(isc_mem_t *mctx, isc_socketmgr_t *manager) {
 		return (result);
 	}
 
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WATCHER_THREAD
 	result = watch_fd(manager, manager->pipe_fds[0], SELECT_POKE_READ);
 	if (result != ISC_R_SUCCESS) {
 		close(manager->kqueue_fd);
@@ -3634,7 +3867,7 @@ setup_watcher(isc_mem_t *mctx, isc_socketmgr_t *manager) {
 			    sizeof(struct kevent) * manager->nevents);
 		return (result);
 	}
-#endif	/* ISC_PLATFORM_USETHREADS */
+#endif	/* USE_WATCHER_THREAD */
 #elif defined(USE_EPOLL)
 	manager->nevents = ISC_SOCKET_MAXEVENTS;
 	manager->events = isc_mem_get(mctx, sizeof(struct epoll_event) *
@@ -3654,7 +3887,7 @@ setup_watcher(isc_mem_t *mctx, isc_socketmgr_t *manager) {
 			    sizeof(struct epoll_event) * manager->nevents);
 		return (result);
 	}
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WATCHER_THREAD
 	result = watch_fd(manager, manager->pipe_fds[0], SELECT_POKE_READ);
 	if (result != ISC_R_SUCCESS) {
 		close(manager->epoll_fd);
@@ -3662,7 +3895,7 @@ setup_watcher(isc_mem_t *mctx, isc_socketmgr_t *manager) {
 			    sizeof(struct epoll_event) * manager->nevents);
 		return (result);
 	}
-#endif	/* ISC_PLATFORM_USETHREADS */
+#endif	/* USE_WATCHER_THREAD */
 #elif defined(USE_DEVPOLL)
 	/*
 	 * XXXJT: /dev/poll seems to reject large numbers of events,
@@ -3700,7 +3933,7 @@ setup_watcher(isc_mem_t *mctx, isc_socketmgr_t *manager) {
 			    sizeof(pollinfo_t) * manager->maxsocks);
 		return (result);
 	}
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WATCHER_THREAD
 	result = watch_fd(manager, manager->pipe_fds[0], SELECT_POKE_READ);
 	if (result != ISC_R_SUCCESS) {
 		close(manager->devpoll_fd);
@@ -3710,7 +3943,7 @@ setup_watcher(isc_mem_t *mctx, isc_socketmgr_t *manager) {
 			    sizeof(pollinfo_t) * manager->maxsocks);
 		return (result);
 	}
-#endif	/* ISC_PLATFORM_USETHREADS */
+#endif	/* USE_WATCHER_THREAD */
 #elif defined(USE_SELECT)
 	UNUSED(result);
 
@@ -3758,20 +3991,20 @@ setup_watcher(isc_mem_t *mctx, isc_socketmgr_t *manager) {
 	memset(manager->read_fds, 0, manager->fd_bufsize);
 	memset(manager->write_fds, 0, manager->fd_bufsize);
 
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WATCHER_THREAD
 	(void)watch_fd(manager, manager->pipe_fds[0], SELECT_POKE_READ);
 	manager->maxfd = manager->pipe_fds[0];
-#else /* ISC_PLATFORM_USETHREADS */
+#else /* USE_WATCHER_THREAD */
 	manager->maxfd = 0;
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_WATCHER_THREAD */
 #endif	/* USE_KQUEUE */
 
 	return (ISC_R_SUCCESS);
 }
 
 static void
-cleanup_watcher(isc_mem_t *mctx, isc_socketmgr_t *manager) {
-#ifdef ISC_PLATFORM_USETHREADS
+cleanup_watcher(isc_mem_t *mctx, isc__socketmgr_t *manager) {
+#ifdef USE_WATCHER_THREAD
 	isc_result_t result;
 
 	result = unwatch_fd(manager, manager->pipe_fds[0], SELECT_POKE_READ);
@@ -3781,7 +4014,7 @@ cleanup_watcher(isc_mem_t *mctx, isc_socketmgr_t *manager) {
 				 isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL,
 						ISC_MSG_FAILED, "failed"));
 	}
-#endif	/* ISC_PLATFORM_USETHREADS */
+#endif	/* USE_WATCHER_THREAD */
 
 #ifdef USE_KQUEUE
 	close(manager->kqueue_fd);
@@ -3809,35 +4042,35 @@ cleanup_watcher(isc_mem_t *mctx, isc_socketmgr_t *manager) {
 #endif	/* USE_KQUEUE */
 }
 
-isc_result_t
-isc_socketmgr_create(isc_mem_t *mctx, isc_socketmgr_t **managerp) {
-	return (isc_socketmgr_create2(mctx, managerp, 0));
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socketmgr_create(isc_mem_t *mctx, isc_socketmgr_t **managerp) {
+	return (isc__socketmgr_create2(mctx, managerp, 0));
 }
 
-isc_result_t
-isc_socketmgr_create2(isc_mem_t *mctx, isc_socketmgr_t **managerp,
-		      unsigned int maxsocks)
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socketmgr_create2(isc_mem_t *mctx, isc_socketmgr_t **managerp,
+		       unsigned int maxsocks)
 {
 	int i;
-	isc_socketmgr_t *manager;
-#ifdef ISC_PLATFORM_USETHREADS
+	isc__socketmgr_t *manager;
+#ifdef USE_WATCHER_THREAD
 	char strbuf[ISC_STRERRORSIZE];
 #endif
 	isc_result_t result;
 
 	REQUIRE(managerp != NULL && *managerp == NULL);
 
-#ifndef ISC_PLATFORM_USETHREADS
+#ifdef USE_SHARED_MANAGER
 	if (socketmgr != NULL) {
 		/* Don't allow maxsocks to be updated */
 		if (maxsocks > 0 && socketmgr->maxsocks != maxsocks)
 			return (ISC_R_EXISTS);
 
 		socketmgr->refs++;
-		*managerp = socketmgr;
+		*managerp = (isc_socketmgr_t *)socketmgr;
 		return (ISC_R_SUCCESS);
 	}
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_SHARED_MANAGER */
 
 	if (maxsocks == 0)
 		maxsocks = ISC_SOCKET_MAXSOCKETS;
@@ -3850,8 +4083,9 @@ isc_socketmgr_create2(isc_mem_t *mctx, isc_socketmgr_t **managerp,
 	memset(manager, 0, sizeof(*manager));
 	manager->maxsocks = maxsocks;
 	manager->reserved = 0;
+	manager->maxudp = 0;
 	manager->fds = isc_mem_get(mctx,
-				   manager->maxsocks * sizeof(isc_socket_t *));
+				   manager->maxsocks * sizeof(isc__socket_t *));
 	if (manager->fds == NULL) {
 		result = ISC_R_NOMEMORY;
 		goto free_manager;
@@ -3863,7 +4097,9 @@ isc_socketmgr_create2(isc_mem_t *mctx, isc_socketmgr_t **managerp,
 	}
 	manager->stats = NULL;
 
-	manager->magic = SOCKET_MANAGER_MAGIC;
+	manager->common.methods = &socketmgrmethods;
+	manager->common.magic = ISCAPI_SOCKETMGR_MAGIC;
+	manager->common.impmagic = SOCKET_MANAGER_MAGIC;
 	manager->mctx = NULL;
 	memset(manager->fds, 0, manager->maxsocks * sizeof(isc_socket_t *));
 	ISC_LIST_INIT(manager->socklist);
@@ -3887,7 +4123,7 @@ isc_socketmgr_create2(isc_mem_t *mctx, isc_socketmgr_t **managerp,
 		}
 	}
 
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WATCHER_THREAD
 	if (isc_condition_init(&manager->shutdown_ok) != ISC_R_SUCCESS) {
 		UNEXPECTED_ERROR(__FILE__, __LINE__,
 				 "isc_condition_init() %s",
@@ -3916,9 +4152,11 @@ isc_socketmgr_create2(isc_mem_t *mctx, isc_socketmgr_t **managerp,
 #if 0
 	RUNTIME_CHECK(make_nonblock(manager->pipe_fds[1]) == ISC_R_SUCCESS);
 #endif
-#else /* ISC_PLATFORM_USETHREADS */
+#endif	/* USE_WATCHER_THREAD */
+
+#ifdef USE_SHARED_MANAGER
 	manager->refs = 1;
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_SHARED_MANAGER */
 
 	/*
 	 * Set up initial state for the select loop
@@ -3927,7 +4165,7 @@ isc_socketmgr_create2(isc_mem_t *mctx, isc_socketmgr_t **managerp,
 	if (result != ISC_R_SUCCESS)
 		goto cleanup;
 	memset(manager->fdstate, 0, manager->maxsocks * sizeof(int));
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WATCHER_THREAD
 	/*
 	 * Start up the select/poll thread.
 	 */
@@ -3941,26 +4179,26 @@ isc_socketmgr_create2(isc_mem_t *mctx, isc_socketmgr_t **managerp,
 		result = ISC_R_UNEXPECTED;
 		goto cleanup;
 	}
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_WATCHER_THREAD */
 	isc_mem_attach(mctx, &manager->mctx);
 
-#ifndef ISC_PLATFORM_USETHREADS
+#ifdef USE_SHARED_MANAGER
 	socketmgr = manager;
-#endif /* ISC_PLATFORM_USETHREADS */
-	*managerp = manager;
+#endif /* USE_SHARED_MANAGER */
+	*managerp = (isc_socketmgr_t *)manager;
 
 	return (ISC_R_SUCCESS);
 
 cleanup:
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WATCHER_THREAD
 	(void)close(manager->pipe_fds[0]);
 	(void)close(manager->pipe_fds[1]);
-#endif	/* ISC_PLATFORM_USETHREADS */
+#endif	/* USE_WATCHER_THREAD */
 
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WATCHER_THREAD
 cleanup_condition:
 	(void)isc_condition_destroy(&manager->shutdown_ok);
-#endif	/* ISC_PLATFORM_USETHREADS */
+#endif	/* USE_WATCHER_THREAD */
 
 
 cleanup_lock:
@@ -3988,8 +4226,10 @@ free_manager:
 	return (result);
 }
 
+#ifdef BIND9
 isc_result_t
-isc_socketmgr_getmaxsockets(isc_socketmgr_t *manager, unsigned int *nsockp) {
+isc__socketmgr_getmaxsockets(isc_socketmgr_t *manager0, unsigned int *nsockp) {
+	isc__socketmgr_t *manager = (isc__socketmgr_t *)manager0;
 	REQUIRE(VALID_MANAGER(manager));
 	REQUIRE(nsockp != NULL);
 
@@ -3999,7 +4239,9 @@ isc_socketmgr_getmaxsockets(isc_socketmgr_t *manager, unsigned int *nsockp) {
 }
 
 void
-isc_socketmgr_setstats(isc_socketmgr_t *manager, isc_stats_t *stats) {
+isc__socketmgr_setstats(isc_socketmgr_t *manager0, isc_stats_t *stats) {
+	isc__socketmgr_t *manager = (isc__socketmgr_t *)manager0;
+
 	REQUIRE(VALID_MANAGER(manager));
 	REQUIRE(ISC_LIST_EMPTY(manager->socklist));
 	REQUIRE(manager->stats == NULL);
@@ -4007,10 +4249,11 @@ isc_socketmgr_setstats(isc_socketmgr_t *manager, isc_stats_t *stats) {
 
 	isc_stats_attach(stats, &manager->stats);
 }
+#endif
 
-void
-isc_socketmgr_destroy(isc_socketmgr_t **managerp) {
-	isc_socketmgr_t *manager;
+ISC_SOCKETFUNC_SCOPE void
+isc__socketmgr_destroy(isc_socketmgr_t **managerp) {
+	isc__socketmgr_t *manager;
 	int i;
 	isc_mem_t *mctx;
 
@@ -4019,42 +4262,36 @@ isc_socketmgr_destroy(isc_socketmgr_t **managerp) {
 	 */
 
 	REQUIRE(managerp != NULL);
-	manager = *managerp;
+	manager = (isc__socketmgr_t *)*managerp;
 	REQUIRE(VALID_MANAGER(manager));
 
-#ifndef ISC_PLATFORM_USETHREADS
-	if (manager->refs > 1) {
-		manager->refs--;
+#ifdef USE_SHARED_MANAGER
+	manager->refs--;
+	if (manager->refs > 0) {
 		*managerp = NULL;
 		return;
 	}
-#endif /* ISC_PLATFORM_USETHREADS */
+	socketmgr = NULL;
+#endif /* USE_SHARED_MANAGER */
 
 	LOCK(&manager->lock);
 
-#ifdef ISC_PLATFORM_USETHREADS
 	/*
 	 * Wait for all sockets to be destroyed.
 	 */
 	while (!ISC_LIST_EMPTY(manager->socklist)) {
+#ifdef USE_WATCHER_THREAD
 		manager_log(manager, CREATION, "%s",
 			    isc_msgcat_get(isc_msgcat, ISC_MSGSET_SOCKET,
 					   ISC_MSG_SOCKETSREMAIN,
 					   "sockets exist"));
 		WAIT(&manager->shutdown_ok, &manager->lock);
+#else /* USE_WATCHER_THREAD */
+		UNLOCK(&manager->lock);
+		isc__taskmgr_dispatch(NULL);
+		LOCK(&manager->lock);
+#endif /* USE_WATCHER_THREAD */
 	}
-#else /* ISC_PLATFORM_USETHREADS */
-	/*
-	 * Hope all sockets have been destroyed.
-	 */
-	if (!ISC_LIST_EMPTY(manager->socklist)) {
-		manager_log(manager, CREATION, "%s",
-			    isc_msgcat_get(isc_msgcat, ISC_MSGSET_SOCKET,
-					   ISC_MSG_SOCKETSREMAIN,
-					   "sockets exist"));
-		INSIST(0);
-	}
-#endif /* ISC_PLATFORM_USETHREADS */
 
 	UNLOCK(&manager->lock);
 
@@ -4065,7 +4302,7 @@ isc_socketmgr_destroy(isc_socketmgr_t **managerp) {
 	 */
 	select_poke(manager, 0, SELECT_POKE_SHUTDOWN);
 
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WATCHER_THREAD
 	/*
 	 * Wait for thread to exit.
 	 */
@@ -4074,25 +4311,25 @@ isc_socketmgr_destroy(isc_socketmgr_t **managerp) {
 				 "isc_thread_join() %s",
 				 isc_msgcat_get(isc_msgcat, ISC_MSGSET_GENERAL,
 						ISC_MSG_FAILED, "failed"));
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_WATCHER_THREAD */
 
 	/*
 	 * Clean up.
 	 */
 	cleanup_watcher(manager->mctx, manager);
 
-#ifdef ISC_PLATFORM_USETHREADS
+#ifdef USE_WATCHER_THREAD
 	(void)close(manager->pipe_fds[0]);
 	(void)close(manager->pipe_fds[1]);
 	(void)isc_condition_destroy(&manager->shutdown_ok);
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_WATCHER_THREAD */
 
 	for (i = 0; i < (int)manager->maxsocks; i++)
 		if (manager->fdstate[i] == CLOSE_PENDING) /* no need to lock */
 			(void)close(i);
 
 	isc_mem_put(manager->mctx, manager->fds,
-		    manager->maxsocks * sizeof(isc_socket_t *));
+		    manager->maxsocks * sizeof(isc__socket_t *));
 	isc_mem_put(manager->mctx, manager->fdstate,
 		    manager->maxsocks * sizeof(int));
 
@@ -4106,17 +4343,22 @@ isc_socketmgr_destroy(isc_socketmgr_t **managerp) {
 			    FDLOCK_COUNT * sizeof(isc_mutex_t));
 	}
 	DESTROYLOCK(&manager->lock);
-	manager->magic = 0;
+	manager->common.magic = 0;
+	manager->common.impmagic = 0;
 	mctx= manager->mctx;
 	isc_mem_put(mctx, manager, sizeof(*manager));
 
 	isc_mem_detach(&mctx);
 
 	*managerp = NULL;
+
+#ifdef USE_SHARED_MANAGER
+	socketmgr = NULL;
+#endif
 }
 
 static isc_result_t
-socket_recv(isc_socket_t *sock, isc_socketevent_t *dev, isc_task_t *task,
+socket_recv(isc__socket_t *sock, isc_socketevent_t *dev, isc_task_t *task,
 	    unsigned int flags)
 {
 	int io_state;
@@ -4187,13 +4429,14 @@ socket_recv(isc_socket_t *sock, isc_socketevent_t *dev, isc_task_t *task,
 	return (result);
 }
 
-isc_result_t
-isc_socket_recvv(isc_socket_t *sock, isc_bufferlist_t *buflist,
-		 unsigned int minimum, isc_task_t *task,
-		 isc_taskaction_t action, const void *arg)
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_recvv(isc_socket_t *sock0, isc_bufferlist_t *buflist,
+		  unsigned int minimum, isc_task_t *task,
+		  isc_taskaction_t action, const void *arg)
 {
+	isc__socket_t *sock = (isc__socket_t *)sock0;
 	isc_socketevent_t *dev;
-	isc_socketmgr_t *manager;
+	isc__socketmgr_t *manager;
 	unsigned int iocount;
 	isc_buffer_t *buffer;
 
@@ -4241,12 +4484,14 @@ isc_socket_recvv(isc_socket_t *sock, isc_bufferlist_t *buflist,
 	return (socket_recv(sock, dev, task, 0));
 }
 
-isc_result_t
-isc_socket_recv(isc_socket_t *sock, isc_region_t *region, unsigned int minimum,
-		isc_task_t *task, isc_taskaction_t action, const void *arg)
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_recv(isc_socket_t *sock0, isc_region_t *region,
+		 unsigned int minimum, isc_task_t *task,
+		 isc_taskaction_t action, const void *arg)
 {
+	isc__socket_t *sock = (isc__socket_t *)sock0;
 	isc_socketevent_t *dev;
-	isc_socketmgr_t *manager;
+	isc__socketmgr_t *manager;
 
 	REQUIRE(VALID_SOCKET(sock));
 	REQUIRE(action != NULL);
@@ -4260,14 +4505,16 @@ isc_socket_recv(isc_socket_t *sock, isc_region_t *region, unsigned int minimum,
 	if (dev == NULL)
 		return (ISC_R_NOMEMORY);
 
-	return (isc_socket_recv2(sock, region, minimum, task, dev, 0));
+	return (isc__socket_recv2(sock0, region, minimum, task, dev, 0));
 }
 
-isc_result_t
-isc_socket_recv2(isc_socket_t *sock, isc_region_t *region,
-		 unsigned int minimum, isc_task_t *task,
-		 isc_socketevent_t *event, unsigned int flags)
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_recv2(isc_socket_t *sock0, isc_region_t *region,
+		  unsigned int minimum, isc_task_t *task,
+		  isc_socketevent_t *event, unsigned int flags)
 {
+	isc__socket_t *sock = (isc__socket_t *)sock0;
+
 	event->ev_sender = sock;
 	event->result = ISC_R_UNEXPECTED;
 	ISC_LIST_INIT(event->bufferlist);
@@ -4292,7 +4539,7 @@ isc_socket_recv2(isc_socket_t *sock, isc_region_t *region,
 }
 
 static isc_result_t
-socket_send(isc_socket_t *sock, isc_socketevent_t *dev, isc_task_t *task,
+socket_send(isc__socket_t *sock, isc_socketevent_t *dev, isc_task_t *task,
 	    isc_sockaddr_t *address, struct in6_pktinfo *pktinfo,
 	    unsigned int flags)
 {
@@ -4383,24 +4630,25 @@ socket_send(isc_socket_t *sock, isc_socketevent_t *dev, isc_task_t *task,
 	return (result);
 }
 
-isc_result_t
-isc_socket_send(isc_socket_t *sock, isc_region_t *region,
-		isc_task_t *task, isc_taskaction_t action, const void *arg)
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_send(isc_socket_t *sock, isc_region_t *region,
+		 isc_task_t *task, isc_taskaction_t action, const void *arg)
 {
 	/*
 	 * REQUIRE() checking is performed in isc_socket_sendto().
 	 */
-	return (isc_socket_sendto(sock, region, task, action, arg, NULL,
-				  NULL));
+	return (isc__socket_sendto(sock, region, task, action, arg, NULL,
+				   NULL));
 }
 
-isc_result_t
-isc_socket_sendto(isc_socket_t *sock, isc_region_t *region,
-		  isc_task_t *task, isc_taskaction_t action, const void *arg,
-		  isc_sockaddr_t *address, struct in6_pktinfo *pktinfo)
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_sendto(isc_socket_t *sock0, isc_region_t *region,
+		   isc_task_t *task, isc_taskaction_t action, const void *arg,
+		   isc_sockaddr_t *address, struct in6_pktinfo *pktinfo)
 {
+	isc__socket_t *sock = (isc__socket_t *)sock0;
 	isc_socketevent_t *dev;
-	isc_socketmgr_t *manager;
+	isc__socketmgr_t *manager;
 
 	REQUIRE(VALID_SOCKET(sock));
 	REQUIRE(region != NULL);
@@ -4422,21 +4670,22 @@ isc_socket_sendto(isc_socket_t *sock, isc_region_t *region,
 	return (socket_send(sock, dev, task, address, pktinfo, 0));
 }
 
-isc_result_t
-isc_socket_sendv(isc_socket_t *sock, isc_bufferlist_t *buflist,
-		 isc_task_t *task, isc_taskaction_t action, const void *arg)
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_sendv(isc_socket_t *sock, isc_bufferlist_t *buflist,
+		  isc_task_t *task, isc_taskaction_t action, const void *arg)
 {
-	return (isc_socket_sendtov(sock, buflist, task, action, arg, NULL,
-				   NULL));
+	return (isc__socket_sendtov(sock, buflist, task, action, arg, NULL,
+				    NULL));
 }
 
-isc_result_t
-isc_socket_sendtov(isc_socket_t *sock, isc_bufferlist_t *buflist,
-		   isc_task_t *task, isc_taskaction_t action, const void *arg,
-		   isc_sockaddr_t *address, struct in6_pktinfo *pktinfo)
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_sendtov(isc_socket_t *sock0, isc_bufferlist_t *buflist,
+		    isc_task_t *task, isc_taskaction_t action, const void *arg,
+		    isc_sockaddr_t *address, struct in6_pktinfo *pktinfo)
 {
+	isc__socket_t *sock = (isc__socket_t *)sock0;
 	isc_socketevent_t *dev;
-	isc_socketmgr_t *manager;
+	isc__socketmgr_t *manager;
 	unsigned int iocount;
 	isc_buffer_t *buffer;
 
@@ -4470,12 +4719,15 @@ isc_socket_sendtov(isc_socket_t *sock, isc_bufferlist_t *buflist,
 	return (socket_send(sock, dev, task, address, pktinfo, 0));
 }
 
-isc_result_t
-isc_socket_sendto2(isc_socket_t *sock, isc_region_t *region,
-		   isc_task_t *task,
-		   isc_sockaddr_t *address, struct in6_pktinfo *pktinfo,
-		   isc_socketevent_t *event, unsigned int flags)
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_sendto2(isc_socket_t *sock0, isc_region_t *region,
+		    isc_task_t *task,
+		    isc_sockaddr_t *address, struct in6_pktinfo *pktinfo,
+		    isc_socketevent_t *event, unsigned int flags)
 {
+	isc__socket_t *sock = (isc__socket_t *)sock0;
+
+	REQUIRE(VALID_SOCKET(sock));
 	REQUIRE((flags & ~(ISC_SOCKFLAG_IMMEDIATE|ISC_SOCKFLAG_NORETRY)) == 0);
 	if ((flags & ISC_SOCKFLAG_NORETRY) != 0)
 		REQUIRE(sock->type == isc_sockettype_udp);
@@ -4490,8 +4742,8 @@ isc_socket_sendto2(isc_socket_t *sock, isc_region_t *region,
 	return (socket_send(sock, event, task, address, pktinfo, flags));
 }
 
-void
-isc_socket_cleanunix(isc_sockaddr_t *sockaddr, isc_boolean_t active) {
+ISC_SOCKETFUNC_SCOPE void
+isc__socket_cleanunix(isc_sockaddr_t *sockaddr, isc_boolean_t active) {
 #ifdef ISC_PLATFORM_HAVESYSUNH
 	int s;
 	struct stat sb;
@@ -4620,8 +4872,8 @@ isc_socket_cleanunix(isc_sockaddr_t *sockaddr, isc_boolean_t active) {
 #endif
 }
 
-isc_result_t
-isc_socket_permunix(isc_sockaddr_t *sockaddr, isc_uint32_t perm,
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_permunix(isc_sockaddr_t *sockaddr, isc_uint32_t perm,
 		    isc_uint32_t owner, isc_uint32_t group)
 {
 #ifdef ISC_PLATFORM_HAVESYSUNH
@@ -4674,12 +4926,15 @@ isc_socket_permunix(isc_sockaddr_t *sockaddr, isc_uint32_t perm,
 #endif
 }
 
-isc_result_t
-isc_socket_bind(isc_socket_t *sock, isc_sockaddr_t *sockaddr,
-		unsigned int options) {
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_bind(isc_socket_t *sock0, isc_sockaddr_t *sockaddr,
+		 unsigned int options) {
+	isc__socket_t *sock = (isc__socket_t *)sock0;
 	char strbuf[ISC_STRERRORSIZE];
 	int on = 1;
 
+	REQUIRE(VALID_SOCKET(sock));
+
 	LOCK(&sock->lock);
 
 	INSIST(!sock->bound);
@@ -4745,8 +5000,9 @@ isc_socket_bind(isc_socket_t *sock, isc_sockaddr_t *sockaddr,
  */
 #undef ENABLE_ACCEPTFILTER
 
-isc_result_t
-isc_socket_filter(isc_socket_t *sock, const char *filter) {
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_filter(isc_socket_t *sock0, const char *filter) {
+	isc__socket_t *sock = (isc__socket_t *)sock0;
 #if defined(SO_ACCEPTFILTER) && defined(ENABLE_ACCEPTFILTER)
 	char strbuf[ISC_STRERRORSIZE];
 	struct accept_filter_arg afa;
@@ -4784,8 +5040,9 @@ isc_socket_filter(isc_socket_t *sock, const char *filter) {
  * is a new connection we'll have to allocate a new one anyway, so we might
  * as well keep things simple rather than having to track them.
  */
-isc_result_t
-isc_socket_listen(isc_socket_t *sock, unsigned int backlog) {
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_listen(isc_socket_t *sock0, unsigned int backlog) {
+	isc__socket_t *sock = (isc__socket_t *)sock0;
 	char strbuf[ISC_STRERRORSIZE];
 
 	REQUIRE(VALID_SOCKET(sock));
@@ -4818,14 +5075,15 @@ isc_socket_listen(isc_socket_t *sock, unsigned int backlog) {
 /*
  * This should try to do aggressive accept() XXXMLG
  */
-isc_result_t
-isc_socket_accept(isc_socket_t *sock,
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_accept(isc_socket_t *sock0,
 		  isc_task_t *task, isc_taskaction_t action, const void *arg)
 {
+	isc__socket_t *sock = (isc__socket_t *)sock0;
 	isc_socket_newconnev_t *dev;
-	isc_socketmgr_t *manager;
+	isc__socketmgr_t *manager;
 	isc_task_t *ntask = NULL;
-	isc_socket_t *nsock;
+	isc__socket_t *nsock;
 	isc_result_t result;
 	isc_boolean_t do_poke = ISC_FALSE;
 
@@ -4872,7 +5130,7 @@ isc_socket_accept(isc_socket_t *sock,
 	nsock->statsindex = sock->statsindex;
 
 	dev->ev_sender = ntask;
-	dev->newsocket = nsock;
+	dev->newsocket = (isc_socket_t *)nsock;
 
 	/*
 	 * Poke watcher here.  We still have the socket locked, so there
@@ -4891,13 +5149,14 @@ isc_socket_accept(isc_socket_t *sock,
 	return (ISC_R_SUCCESS);
 }
 
-isc_result_t
-isc_socket_connect(isc_socket_t *sock, isc_sockaddr_t *addr,
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_connect(isc_socket_t *sock0, isc_sockaddr_t *addr,
 		   isc_task_t *task, isc_taskaction_t action, const void *arg)
 {
+	isc__socket_t *sock = (isc__socket_t *)sock0;
 	isc_socket_connev_t *dev;
 	isc_task_t *ntask = NULL;
-	isc_socketmgr_t *manager;
+	isc__socketmgr_t *manager;
 	int cc;
 	char strbuf[ISC_STRERRORSIZE];
 	char addrbuf[ISC_SOCKADDR_FORMATSIZE];
@@ -5037,7 +5296,7 @@ isc_socket_connect(isc_socket_t *sock, isc_sockaddr_t *addr,
  */
 static void
 internal_connect(isc_task_t *me, isc_event_t *ev) {
-	isc_socket_t *sock;
+	isc__socket_t *sock;
 	isc_socket_connev_t *dev;
 	isc_task_t *task;
 	int cc;
@@ -5151,8 +5410,9 @@ internal_connect(isc_task_t *me, isc_event_t *ev) {
 	isc_task_sendanddetach(&task, ISC_EVENT_PTR(&dev));
 }
 
-isc_result_t
-isc_socket_getpeername(isc_socket_t *sock, isc_sockaddr_t *addressp) {
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_getpeername(isc_socket_t *sock0, isc_sockaddr_t *addressp) {
+	isc__socket_t *sock = (isc__socket_t *)sock0;
 	isc_result_t result;
 
 	REQUIRE(VALID_SOCKET(sock));
@@ -5172,8 +5432,9 @@ isc_socket_getpeername(isc_socket_t *sock, isc_sockaddr_t *addressp) {
 	return (result);
 }
 
-isc_result_t
-isc_socket_getsockname(isc_socket_t *sock, isc_sockaddr_t *addressp) {
+ISC_SOCKETFUNC_SCOPE isc_result_t
+isc__socket_getsockname(isc_socket_t *sock0, isc_sockaddr_t *addressp) {
+	isc__socket_t *sock = (isc__socket_t *)sock0;
 	ISC_SOCKADDR_LEN_T len;
 	isc_result_t result;
 	char strbuf[ISC_STRERRORSIZE];
@@ -5210,8 +5471,9 @@ isc_socket_getsockname(isc_socket_t *sock, isc_sockaddr_t *addressp) {
  * Run through the list of events on this socket, and cancel the ones
  * queued for task "task" of type "how".  "how" is a bitmask.
  */
-void
-isc_socket_cancel(isc_socket_t *sock, isc_task_t *task, unsigned int how) {
+ISC_SOCKETFUNC_SCOPE void
+isc__socket_cancel(isc_socket_t *sock0, isc_task_t *task, unsigned int how) {
+	isc__socket_t *sock = (isc__socket_t *)sock0;
 
 	REQUIRE(VALID_SOCKET(sock));
 
@@ -5290,8 +5552,8 @@ isc_socket_cancel(isc_socket_t *sock, isc_task_t *task, unsigned int how) {
 				ISC_LIST_UNLINK(sock->accept_list, dev,
 						ev_link);
 
-				dev->newsocket->references--;
-				free_socket(&dev->newsocket);
+				NEWCONNSOCK(dev)->references--;
+				free_socket((isc__socket_t **)&dev->newsocket);
 
 				dev->result = ISC_R_CANCELED;
 				dev->ev_sender = sock;
@@ -5330,17 +5592,22 @@ isc_socket_cancel(isc_socket_t *sock, isc_task_t *task, unsigned int how) {
 	UNLOCK(&sock->lock);
 }
 
-isc_sockettype_t
-isc_socket_gettype(isc_socket_t *sock) {
+ISC_SOCKETFUNC_SCOPE isc_sockettype_t
+isc__socket_gettype(isc_socket_t *sock0) {
+	isc__socket_t *sock = (isc__socket_t *)sock0;
+
 	REQUIRE(VALID_SOCKET(sock));
 
 	return (sock->type);
 }
 
-isc_boolean_t
-isc_socket_isbound(isc_socket_t *sock) {
+ISC_SOCKETFUNC_SCOPE isc_boolean_t
+isc__socket_isbound(isc_socket_t *sock0) {
+	isc__socket_t *sock = (isc__socket_t *)sock0;
 	isc_boolean_t val;
 
+	REQUIRE(VALID_SOCKET(sock));
+
 	LOCK(&sock->lock);
 	val = ((sock->bound) ? ISC_TRUE : ISC_FALSE);
 	UNLOCK(&sock->lock);
@@ -5348,8 +5615,9 @@ isc_socket_isbound(isc_socket_t *sock) {
 	return (val);
 }
 
-void
-isc_socket_ipv6only(isc_socket_t *sock, isc_boolean_t yes) {
+ISC_SOCKETFUNC_SCOPE void
+isc__socket_ipv6only(isc_socket_t *sock0, isc_boolean_t yes) {
+	isc__socket_t *sock = (isc__socket_t *)sock0;
 #if defined(IPV6_V6ONLY)
 	int onoff = yes ? 1 : 0;
 #else
@@ -5379,12 +5647,21 @@ isc_socket_ipv6only(isc_socket_t *sock, isc_boolean_t yes) {
 #endif
 }
 
-#ifndef ISC_PLATFORM_USETHREADS
-/* In our assumed scenario, we can simply use a single static object. */
+#ifndef USE_WATCHER_THREAD
+/*
+ * In our assumed scenario, we can simply use a single static object.
+ * XXX: this is not true if the application uses multiple threads with
+ *      'multi-context' mode.  Fixing this is a future TODO item.
+ */
 static isc_socketwait_t swait_private;
 
 int
-isc__socketmgr_waitevents(struct timeval *tvp, isc_socketwait_t **swaitp) {
+isc__socketmgr_waitevents(isc_socketmgr_t *manager0, struct timeval *tvp,
+			  isc_socketwait_t **swaitp)
+{
+	isc__socketmgr_t *manager = (isc__socketmgr_t *)manager0;
+
+
 	int n;
 #ifdef USE_KQUEUE
 	struct timespec ts, *tsp;
@@ -5398,7 +5675,11 @@ isc__socketmgr_waitevents(struct timeval *tvp, isc_socketwait_t **swaitp) {
 
 	REQUIRE(swaitp != NULL && *swaitp == NULL);
 
-	if (socketmgr == NULL)
+#ifdef USE_SHARED_MANAGER
+	if (manager == NULL)
+		manager = socketmgr;
+#endif
+	if (manager == NULL)
 		return (0);
 
 #ifdef USE_KQUEUE
@@ -5408,8 +5689,8 @@ isc__socketmgr_waitevents(struct timeval *tvp, isc_socketwait_t **swaitp) {
 		tsp = &ts;
 	} else
 		tsp = NULL;
-	swait_private.nevents = kevent(socketmgr->kqueue_fd, NULL, 0,
-				       socketmgr->events, socketmgr->nevents,
+	swait_private.nevents = kevent(manager->kqueue_fd, NULL, 0,
+				       manager->events, manager->nevents,
 				       tsp);
 	n = swait_private.nevents;
 #elif defined(USE_EPOLL)
@@ -5417,29 +5698,28 @@ isc__socketmgr_waitevents(struct timeval *tvp, isc_socketwait_t **swaitp) {
 		timeout = tvp->tv_sec * 1000 + (tvp->tv_usec + 999) / 1000;
 	else
 		timeout = -1;
-	swait_private.nevents = epoll_wait(socketmgr->epoll_fd,
-					   socketmgr->events,
-					   socketmgr->nevents, timeout);
+	swait_private.nevents = epoll_wait(manager->epoll_fd,
+					   manager->events,
+					   manager->nevents, timeout);
 	n = swait_private.nevents;
 #elif defined(USE_DEVPOLL)
-	dvp.dp_fds = socketmgr->events;
-	dvp.dp_nfds = socketmgr->nevents;
+	dvp.dp_fds = manager->events;
+	dvp.dp_nfds = manager->nevents;
 	if (tvp != NULL) {
 		dvp.dp_timeout = tvp->tv_sec * 1000 +
 			(tvp->tv_usec + 999) / 1000;
 	} else
 		dvp.dp_timeout = -1;
-	swait_private.nevents = ioctl(socketmgr->devpoll_fd, DP_POLL, &dvp);
+	swait_private.nevents = ioctl(manager->devpoll_fd, DP_POLL, &dvp);
 	n = swait_private.nevents;
 #elif defined(USE_SELECT)
-	memcpy(socketmgr->read_fds_copy, socketmgr->read_fds,
-	       socketmgr->fd_bufsize);
-	memcpy(socketmgr->write_fds_copy, socketmgr->write_fds,
-	       socketmgr->fd_bufsize);
+	memcpy(manager->read_fds_copy, manager->read_fds,  manager->fd_bufsize);
+	memcpy(manager->write_fds_copy, manager->write_fds,
+	       manager->fd_bufsize);
 
-	swait_private.readset = socketmgr->read_fds_copy;
-	swait_private.writeset = socketmgr->write_fds_copy;
-	swait_private.maxfd = socketmgr->maxfd + 1;
+	swait_private.readset = manager->read_fds_copy;
+	swait_private.writeset = manager->write_fds_copy;
+	swait_private.maxfd = manager->maxfd + 1;
 
 	n = select(swait_private.maxfd, swait_private.readset,
 		   swait_private.writeset, NULL, tvp);
@@ -5450,24 +5730,32 @@ isc__socketmgr_waitevents(struct timeval *tvp, isc_socketwait_t **swaitp) {
 }
 
 isc_result_t
-isc__socketmgr_dispatch(isc_socketwait_t *swait) {
+isc__socketmgr_dispatch(isc_socketmgr_t *manager0, isc_socketwait_t *swait) {
+	isc__socketmgr_t *manager = (isc__socketmgr_t *)manager0;
+
 	REQUIRE(swait == &swait_private);
 
-	if (socketmgr == NULL)
+#ifdef USE_SHARED_MANAGER
+	if (manager == NULL)
+		manager = socketmgr;
+#endif
+	if (manager == NULL)
 		return (ISC_R_NOTFOUND);
 
 #if defined(USE_KQUEUE) || defined(USE_EPOLL) || defined(USE_DEVPOLL)
-	(void)process_fds(socketmgr, socketmgr->events, swait->nevents);
+	(void)process_fds(manager, manager->events, swait->nevents);
 	return (ISC_R_SUCCESS);
 #elif defined(USE_SELECT)
-	process_fds(socketmgr, swait->maxfd, swait->readset, swait->writeset);
+	process_fds(manager, swait->maxfd, swait->readset, swait->writeset);
 	return (ISC_R_SUCCESS);
 #endif
 }
-#endif /* ISC_PLATFORM_USETHREADS */
+#endif /* USE_WATCHER_THREAD */
 
+#ifdef BIND9
 void
-isc_socket_setname(isc_socket_t *socket, const char *name, void *tag) {
+isc__socket_setname(isc_socket_t *socket0, const char *name, void *tag) {
+	isc__socket_t *socket = (isc__socket_t *)socket0;
 
 	/*
 	 * Name 'socket'.
@@ -5482,17 +5770,29 @@ isc_socket_setname(isc_socket_t *socket, const char *name, void *tag) {
 	UNLOCK(&socket->lock);
 }
 
-const char *
-isc_socket_getname(isc_socket_t *socket) {
+ISC_SOCKETFUNC_SCOPE const char *
+isc__socket_getname(isc_socket_t *socket0) {
+	isc__socket_t *socket = (isc__socket_t *)socket0;
+
 	return (socket->name);
 }
 
 void *
-isc_socket_gettag(isc_socket_t *socket) {
+isc__socket_gettag(isc_socket_t *socket0) {
+	isc__socket_t *socket = (isc__socket_t *)socket0;
+
 	return (socket->tag);
 }
+#endif	/* BIND9 */
 
-#ifdef HAVE_LIBXML2
+#ifdef USE_SOCKETIMPREGISTER
+isc_result_t
+isc__socket_register() {
+	return (isc_socket_register(isc__socketmgr_create));
+}
+#endif
+
+#if defined(HAVE_LIBXML2) && defined(BIND9)
 
 static const char *
 _socktype(isc_sockettype_t type)
@@ -5509,21 +5809,21 @@ _socktype(isc_sockettype_t type)
 		return ("not-initialized");
 }
 
-void
-isc_socketmgr_renderxml(isc_socketmgr_t *mgr, xmlTextWriterPtr writer)
-{
-	isc_socket_t *sock;
+ISC_SOCKETFUNC_SCOPE void
+isc_socketmgr_renderxml(isc_socketmgr_t *mgr0, xmlTextWriterPtr writer) {
+	isc__socketmgr_t *mgr = (isc__socketmgr_t *)mgr0;
+	isc__socket_t *sock;
 	char peerbuf[ISC_SOCKADDR_FORMATSIZE];
 	isc_sockaddr_t addr;
 	ISC_SOCKADDR_LEN_T len;
 
 	LOCK(&mgr->lock);
 
-#ifndef ISC_PLATFORM_USETHREADS
+#ifdef USE_SHARED_MANAGER
 	xmlTextWriterStartElement(writer, ISC_XMLCHAR "references");
 	xmlTextWriterWriteFormatString(writer, "%d", mgr->refs);
 	xmlTextWriterEndElement(writer);
-#endif
+#endif	/* USE_SHARED_MANAGER */
 
 	xmlTextWriterStartElement(writer, ISC_XMLCHAR "sockets");
 	sock = ISC_LIST_HEAD(mgr->socklist);
diff --git a/lib/isc/unix/socket_p.h b/lib/isc/unix/socket_p.h
index b9a2347..b6c4b6a 100644
--- a/lib/isc/unix/socket_p.h
+++ b/lib/isc/unix/socket_p.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004, 2005, 2007, 2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004, 2005, 2007-2009  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000, 2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: socket_p.h,v 1.13 2008-06-23 23:47:11 tbox Exp $ */
+/* $Id: socket_p.h,v 1.15 2009-09-02 23:48:03 tbox Exp $ */
 
 #ifndef ISC_SOCKET_P_H
 #define ISC_SOCKET_P_H
@@ -27,6 +27,7 @@
 #endif
 
 typedef struct isc_socketwait isc_socketwait_t;
-int isc__socketmgr_waitevents(struct timeval *, isc_socketwait_t **);
-isc_result_t isc__socketmgr_dispatch(isc_socketwait_t *);
+int isc__socketmgr_waitevents(isc_socketmgr_t *, struct timeval *,
+			      isc_socketwait_t **);
+isc_result_t isc__socketmgr_dispatch(isc_socketmgr_t *, isc_socketwait_t *);
 #endif /* ISC_SOCKET_P_H */
diff --git a/lib/isc/unix/strerror.c b/lib/isc/unix/strerror.c
index 08ea52d..4a61a97 100644
--- a/lib/isc/unix/strerror.c
+++ b/lib/isc/unix/strerror.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: strerror.c,v 1.8.332.2 2009-02-16 23:47:15 tbox Exp $ */
+/* $Id: strerror.c,v 1.10 2009-02-16 23:48:04 tbox Exp $ */
 
 /*! \file */
 
diff --git a/lib/isccc/Makefile.in b/lib/isccc/Makefile.in
index fb08fcd..1417172 100644
--- a/lib/isccc/Makefile.in
+++ b/lib/isccc/Makefile.in
@@ -1,4 +1,4 @@
-# Copyright (C) 2004, 2007  Internet Systems Consortium, Inc. ("ISC")
+# Copyright (C) 2004, 2007, 2009, 2011  Internet Systems Consortium, Inc. ("ISC")
 # Copyright (C) 2001, 2003  Internet Software Consortium.
 #
 # Permission to use, copy, modify, and/or distribute this software for any
@@ -13,7 +13,7 @@
 # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 # PERFORMANCE OF THIS SOFTWARE.
 
-# $Id: Makefile.in,v 1.9 2007-06-19 23:47:21 tbox Exp $
+# $Id: Makefile.in,v 1.12.244.1.2.1 2011-06-02 23:47:37 tbox Exp $
 
 srcdir =	@srcdir@
 VPATH =		@srcdir@
@@ -71,7 +71,7 @@ libisccc.la: ${OBJS}
 	${LIBTOOL_MODE_LINK} \
 		${CC} ${ALL_CFLAGS} ${LDFLAGS} -o libisccc.la -rpath ${libdir} \
 		-version-info ${LIBINTERFACE}:${LIBREVISION}:${LIBAGE} \
-		${OBJS} ${LIBS} ${ISCLIBS}
+		${OBJS} ${ISCLIBS} ${LIBS}
 
 timestamp: libisccc.@A@
 	touch timestamp
diff --git a/lib/isccc/api b/lib/isccc/api
index 2240cdd..94575eb 100644
--- a/lib/isccc/api
+++ b/lib/isccc/api
@@ -1,3 +1,3 @@
-LIBINTERFACE = 50
-LIBREVISION = 1
+LIBINTERFACE = 80
+LIBREVISION = 0
 LIBAGE = 0
diff --git a/lib/isccfg/Makefile.in b/lib/isccfg/Makefile.in
index 4c55a16..37b0a26 100644
--- a/lib/isccfg/Makefile.in
+++ b/lib/isccfg/Makefile.in
@@ -1,4 +1,4 @@
-# Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+# Copyright (C) 2004, 2005, 2007, 2009, 2011  Internet Systems Consortium, Inc. ("ISC")
 # Copyright (C) 2001-2003  Internet Software Consortium.
 #
 # Permission to use, copy, modify, and/or distribute this software for any
@@ -13,7 +13,7 @@
 # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 # PERFORMANCE OF THIS SOFTWARE.
 
-# $Id: Makefile.in,v 1.18 2007-06-19 23:47:22 tbox Exp $
+# $Id: Makefile.in,v 1.21.244.1.2.1 2011-06-02 23:47:37 tbox Exp $
 
 srcdir =	@srcdir@
 VPATH =		@srcdir@
@@ -27,7 +27,7 @@ top_srcdir =	@top_srcdir@
 
 CINCLUDES =	-I. ${DNS_INCLUDES} ${ISC_INCLUDES} ${ISCCFG_INCLUDES}
 
-CDEFINES =      @USE_DLZ@
+CDEFINES =	@USE_DLZ@
 CWARNINGS =
 
 ISCLIBS =	../../lib/isc/libisc.@A@
@@ -68,7 +68,7 @@ libisccfg.la: ${OBJS}
 	 ${LIBTOOL_MODE_LINK} \
 		${CC} ${ALL_CFLAGS} ${LDFLAGS} -o libisccfg.la -rpath ${libdir} \
 		-version-info ${LIBINTERFACE}:${LIBREVISION}:${LIBAGE} \
-		${OBJS} ${LIBS} ${DNSLIBS} ${ISCCCLIBS} ${ISCLIBS}
+		${OBJS} ${DNSLIBS} ${ISCCCLIBS} ${ISCLIBS} ${LIBS}
 
 timestamp: libisccfg.@A@
 	touch timestamp
diff --git a/lib/isccfg/aclconf.c b/lib/isccfg/aclconf.c
index 6bf0ad8..44d436a4 100644
--- a/lib/isccfg/aclconf.c
+++ b/lib/isccfg/aclconf.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2010  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: aclconf.c,v 1.22.34.4 2009-10-01 23:47:17 tbox Exp $ */
+/* $Id: aclconf.c,v 1.29 2010-08-13 23:47:03 tbox Exp $ */
 
 #include 
 
@@ -39,7 +39,7 @@ cfg_aclconfctx_init(cfg_aclconfctx_t *ctx) {
 }
 
 void
-cfg_aclconfctx_destroy(cfg_aclconfctx_t *ctx) {
+cfg_aclconfctx_clear(cfg_aclconfctx_t *ctx) {
 	dns_acl_t *dacl, *next;
 
 	for (dacl = ISC_LIST_HEAD(ctx->named_acl_cache);
@@ -51,6 +51,23 @@ cfg_aclconfctx_destroy(cfg_aclconfctx_t *ctx) {
 	}
 }
 
+void
+cfg_aclconfctx_clone(cfg_aclconfctx_t *src, cfg_aclconfctx_t *dest) {
+	dns_acl_t *dacl, *next;
+	REQUIRE(src != NULL && dest != NULL);
+
+	cfg_aclconfctx_init(dest);
+	for (dacl = ISC_LIST_HEAD(src->named_acl_cache);
+	     dacl != NULL;
+	     dacl = next)
+	{
+		dns_acl_t *copy;
+		next = ISC_LIST_NEXT(dacl, nextincache);
+		dns_acl_attach(dacl, ©);
+		ISC_LIST_APPEND(dest->named_acl_cache, copy, nextincache);
+	}
+}
+
 /*
  * Find the definition of the named acl whose name is "name".
  */
@@ -150,7 +167,7 @@ convert_keyname(const cfg_obj_t *keyobj, isc_log_t *lctx, isc_mem_t *mctx,
 	isc_buffer_add(&buf, keylen);
 	dns_fixedname_init(&fixname);
 	result = dns_name_fromtext(dns_fixedname_name(&fixname), &buf,
-				   dns_rootname, ISC_FALSE, NULL);
+				   dns_rootname, 0, NULL);
 	if (result != ISC_R_SUCCESS) {
 		cfg_obj_log(keyobj, lctx, ISC_LOG_WARNING,
 			    "key name '%s' is not a valid domain name",
diff --git a/lib/isccfg/api b/lib/isccfg/api
index fbbf923..7821c32 100644
--- a/lib/isccfg/api
+++ b/lib/isccfg/api
@@ -1,3 +1,3 @@
-LIBINTERFACE = 50
-LIBREVISION = 3
-LIBAGE = 0
+LIBINTERFACE = 81
+LIBREVISION = 1
+LIBAGE = 1
diff --git a/lib/isccfg/dnsconf.c b/lib/isccfg/dnsconf.c
new file mode 100644
index 0000000..7091d63
--- /dev/null
+++ b/lib/isccfg/dnsconf.c
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: dnsconf.c,v 1.4 2009-09-02 23:48:03 tbox Exp $ */
+
+/*! \file */
+
+#include 
+
+#include 
+#include 
+
+/*%
+ * A trusted key, as used in the "trusted-keys" statement.
+ */
+static cfg_tuplefielddef_t trustedkey_fields[] = {
+	{ "name", &cfg_type_astring, 0 },
+	{ "flags", &cfg_type_uint32, 0 },
+	{ "protocol", &cfg_type_uint32, 0 },
+	{ "algorithm", &cfg_type_uint32, 0 },
+	{ "key", &cfg_type_qstring, 0 },
+	{ NULL, NULL, 0 }
+};
+
+static cfg_type_t cfg_type_trustedkey = {
+	"trustedkey", cfg_parse_tuple, cfg_print_tuple, cfg_doc_tuple,
+	&cfg_rep_tuple, trustedkey_fields
+};
+
+static cfg_type_t cfg_type_trustedkeys = {
+	"trusted-keys", cfg_parse_bracketed_list, cfg_print_bracketed_list,
+	cfg_doc_bracketed_list, &cfg_rep_list, &cfg_type_trustedkey
+};
+
+/*%
+ * Clauses that can be found within the top level of the dns.conf
+ * file only.
+ */
+static cfg_clausedef_t
+dnsconf_clauses[] = {
+	{ "trusted-keys", &cfg_type_trustedkeys, CFG_CLAUSEFLAG_MULTI },
+	{ NULL, NULL, 0 }
+};
+
+/*% The top-level dns.conf syntax. */
+
+static cfg_clausedef_t *
+dnsconf_clausesets[] = {
+	dnsconf_clauses,
+	NULL
+};
+
+LIBISCCFG_EXTERNAL_DATA cfg_type_t cfg_type_dnsconf = {
+	"dnsconf", cfg_parse_mapbody, cfg_print_mapbody, cfg_doc_mapbody,
+	&cfg_rep_map, dnsconf_clausesets
+};
diff --git a/lib/isccfg/include/isccfg/aclconf.h b/lib/isccfg/include/isccfg/aclconf.h
index f2ab70f..49aef03 100644
--- a/lib/isccfg/include/isccfg/aclconf.h
+++ b/lib/isccfg/include/isccfg/aclconf.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2010  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: aclconf.h,v 1.10 2007-10-12 04:17:18 each Exp $ */
+/* $Id: aclconf.h,v 1.12 2010-08-13 23:47:04 tbox Exp $ */
 
 #ifndef ISCCFG_ACLCONF_H
 #define ISCCFG_ACLCONF_H 1
@@ -44,9 +44,15 @@ cfg_aclconfctx_init(cfg_aclconfctx_t *ctx);
  */
 
 void
-cfg_aclconfctx_destroy(cfg_aclconfctx_t *ctx);
+cfg_aclconfctx_clone(cfg_aclconfctx_t *src, cfg_aclconfctx_t *dest);
 /*
- * Destroy an ACL configuration context.
+ * Copy the contents of one ACL configuration context into another.
+ */
+
+void
+cfg_aclconfctx_clear(cfg_aclconfctx_t *ctx);
+/*
+ * Clear the contents of an ACL configuration context.
  */
 
 isc_result_t
diff --git a/lib/isccfg/include/isccfg/cfg.h b/lib/isccfg/include/isccfg/cfg.h
index 06efa35..82900d6 100644
--- a/lib/isccfg/include/isccfg/cfg.h
+++ b/lib/isccfg/include/isccfg/cfg.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2010  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000-2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: cfg.h,v 1.44 2007-10-12 04:17:18 each Exp $ */
+/* $Id: cfg.h,v 1.46 2010-08-13 23:47:04 tbox Exp $ */
 
 #ifndef ISCCFG_CFG_H
 #define ISCCFG_CFG_H 1
@@ -35,6 +35,7 @@
 
 #include 
 #include 
+#include 
 #include 
 #include 
 
@@ -70,7 +71,7 @@ typedef struct cfg_obj cfg_obj_t;
 typedef struct cfg_listelt cfg_listelt_t;
 
 /*%
- * A callback function to be called when parsing an option 
+ * A callback function to be called when parsing an option
  * that needs to be interpreted at parsing time, like
  * "directory".
  */
@@ -83,6 +84,12 @@ typedef isc_result_t
 
 ISC_LANG_BEGINDECLS
 
+void
+cfg_parser_attach(cfg_parser_t *src, cfg_parser_t **dest);
+/*%<
+ * Reference a parser object.
+ */
+
 isc_result_t
 cfg_parser_create(isc_mem_t *mctx, isc_log_t *lctx, cfg_parser_t **ret);
 /*%<
@@ -123,7 +130,7 @@ cfg_parse_buffer(cfg_parser_t *pctx, isc_buffer_t *buffer,
  * (isc_parse_buffer()).
  *
  * Returns an error if the file does not parse correctly.
- * 
+ *
  * Requires:
  *\li 	"filename" is valid.
  *\li 	"mem" is valid.
@@ -140,13 +147,14 @@ cfg_parse_buffer(cfg_parser_t *pctx, isc_buffer_t *buffer,
 void
 cfg_parser_destroy(cfg_parser_t **pctxp);
 /*%<
- * Destroy a configuration parser.
+ * Remove a reference to a configuration parser; destroy it if there are no
+ * more references.
  */
 
 isc_boolean_t
 cfg_obj_isvoid(const cfg_obj_t *obj);
 /*%<
- * Return true iff 'obj' is of void type (e.g., an optional 
+ * Return true iff 'obj' is of void type (e.g., an optional
  * value not specified).
  */
 
@@ -355,7 +363,7 @@ cfg_list_length(const cfg_obj_t *obj, isc_boolean_t recurse);
  * all contained lists.
  */
 
-const cfg_obj_t *
+cfg_obj_t *
 cfg_listelt_value(const cfg_listelt_t *elt);
 /*%<
  * Returns the configuration object associated with cfg_listelt_t.
@@ -389,17 +397,25 @@ cfg_print_grammar(const cfg_type_t *type,
 isc_boolean_t
 cfg_obj_istype(const cfg_obj_t *obj, const cfg_type_t *type);
 /*%<
- * Return true iff 'obj' is of type 'type'. 
+ * Return true iff 'obj' is of type 'type'.
  */
 
-void cfg_obj_destroy(cfg_parser_t *pctx, cfg_obj_t **obj);
+void
+cfg_obj_attach(cfg_obj_t *src, cfg_obj_t **dest);
+/*%<
+ * Reference a configuration object.
+ */
+
+void
+cfg_obj_destroy(cfg_parser_t *pctx, cfg_obj_t **obj);
 /*%<
- * Destroy a configuration object.
+ * Delete a reference to a configuration object; destroy the object if
+ * there are no more references.
  */
 
 void
 cfg_obj_log(const cfg_obj_t *obj, isc_log_t *lctx, int level,
-            const char *fmt, ...)
+	    const char *fmt, ...)
 	ISC_FORMAT_PRINTF(4, 5);
 /*%<
  * Log a message concerning configuration object 'obj' to the logging
diff --git a/lib/isccfg/include/isccfg/dnsconf.h b/lib/isccfg/include/isccfg/dnsconf.h
new file mode 100644
index 0000000..bb71338
--- /dev/null
+++ b/lib/isccfg/include/isccfg/dnsconf.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: dnsconf.h,v 1.3 2009-09-02 23:48:03 tbox Exp $ */
+
+#ifndef ISCCFG_NAMEDCONF_H
+#define ISCCFG_NAMEDCONF_H 1
+
+/*! \file
+ * \brief
+ * This module defines the named.conf, rndc.conf, and rndc.key grammars.
+ */
+
+#include 
+
+/*
+ * Configuration object types.
+ */
+LIBISCCFG_EXTERNAL_DATA extern cfg_type_t cfg_type_dnsconf;
+/*%< A complete dns.conf file. */
+
+#endif /* ISCCFG_CFG_H */
diff --git a/lib/isccfg/include/isccfg/grammar.h b/lib/isccfg/include/isccfg/grammar.h
index b8b845b..afc95bc 100644
--- a/lib/isccfg/include/isccfg/grammar.h
+++ b/lib/isccfg/include/isccfg/grammar.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2002, 2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: grammar.h,v 1.17 2008-09-25 04:02:39 tbox Exp $ */
+/* $Id: grammar.h,v 1.24 2011-01-04 23:47:14 tbox Exp $ */
 
 #ifndef ISCCFG_GRAMMAR_H
 #define ISCCFG_GRAMMAR_H 1
@@ -53,6 +53,8 @@
 #define CFG_CLAUSEFLAG_CALLBACK		0x00000020
 /*% A option that is only used in testing. */
 #define CFG_CLAUSEFLAG_TESTONLY		0x00000040
+/*% A configuration option that was not configured at compile time. */
+#define CFG_CLAUSEFLAG_NOTCONFIGURED	0x00000080
 
 typedef struct cfg_clausedef cfg_clausedef_t;
 typedef struct cfg_tuplefielddef cfg_tuplefielddef_t;
@@ -157,6 +159,7 @@ struct cfg_obj {
 		isc_sockaddr_t	sockaddr;
 		cfg_netprefix_t netprefix;
 	}               value;
+	isc_refcount_t  references;     /*%< reference counter */
 	const char *	file;
 	unsigned int    line;
 };
@@ -210,10 +213,21 @@ struct cfg_parser {
 	 */
 	unsigned int	line;
 
+	/*%
+	 * Parser context flags, used for maintaining state
+	 * from one token to the next.
+	 */
+	unsigned int flags;
+
+	/*%< Reference counter */
+	isc_refcount_t  references;
+
 	cfg_parsecallback_t callback;
 	void *callbackarg;
 };
 
+/* Parser context flags */
+#define CFG_PCTX_SKIP		0x1
 
 /*@{*/
 /*%
@@ -314,10 +328,16 @@ cfg_parse_rawport(cfg_parser_t *pctx, unsigned int flags, in_port_t *port);
 isc_result_t
 cfg_parse_sockaddr(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **ret);
 
+isc_result_t
+cfg_parse_boolean(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **ret);
+
 void
 cfg_print_sockaddr(cfg_printer_t *pctx, const cfg_obj_t *obj);
 
 void
+cfg_print_boolean(cfg_printer_t *pctx, const cfg_obj_t *obj);
+
+void
 cfg_doc_sockaddr(cfg_printer_t *pctx, const cfg_type_t *type);
 
 isc_result_t
diff --git a/lib/isccfg/include/isccfg/log.h b/lib/isccfg/include/isccfg/log.h
index f45e4c2..2c9dc12 100644
--- a/lib/isccfg/include/isccfg/log.h
+++ b/lib/isccfg/include/isccfg/log.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: log.h,v 1.12.332.2 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: log.h,v 1.14 2009-01-18 23:48:14 tbox Exp $ */
 
 #ifndef ISCCFG_LOG_H
 #define ISCCFG_LOG_H 1
diff --git a/lib/isccfg/include/isccfg/namedconf.h b/lib/isccfg/include/isccfg/namedconf.h
index 34aa3e8..9242cf3 100644
--- a/lib/isccfg/include/isccfg/namedconf.h
+++ b/lib/isccfg/include/isccfg/namedconf.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2007, 2009, 2010  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2002  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: namedconf.h,v 1.9.332.2 2009-06-25 23:47:28 tbox Exp $ */
+/* $Id: namedconf.h,v 1.18 2010-08-11 18:14:20 each Exp $ */
 
 #ifndef ISCCFG_NAMEDCONF_H
 #define ISCCFG_NAMEDCONF_H 1
@@ -33,12 +33,24 @@
 LIBISCCFG_EXTERNAL_DATA extern cfg_type_t cfg_type_namedconf;
 /*%< A complete named.conf file. */
 
+LIBISCCFG_EXTERNAL_DATA extern cfg_type_t cfg_type_bindkeys;
+/*%< A bind.keys file. */
+
+LIBISCCFG_EXTERNAL_DATA extern cfg_type_t cfg_type_newzones;
+/*%< A new-zones file (for zones added by 'rndc addzone'). */
+
+LIBISCCFG_EXTERNAL_DATA extern cfg_type_t cfg_type_addzoneconf;
+/*%< A single zone passed via the addzone rndc command. */
+
 LIBISCCFG_EXTERNAL_DATA extern cfg_type_t cfg_type_rndcconf;
 /*%< A complete rndc.conf file. */
 
 LIBISCCFG_EXTERNAL_DATA extern cfg_type_t cfg_type_rndckey;
 /*%< A complete rndc.key file. */
 
+LIBISCCFG_EXTERNAL_DATA extern cfg_type_t cfg_type_sessionkey;
+/*%< A complete session.key file. */
+
 LIBISCCFG_EXTERNAL_DATA extern cfg_type_t cfg_type_keyref;
 /*%< A key reference, used as an ACL element */
 
diff --git a/lib/isccfg/namedconf.c b/lib/isccfg/namedconf.c
index f291507..f80d34b 100644
--- a/lib/isccfg/namedconf.c
+++ b/lib/isccfg/namedconf.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2008, 2010  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2002, 2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: namedconf.c,v 1.92.44.2 2010-05-13 23:47:49 tbox Exp $ */
+/* $Id: namedconf.c,v 1.131.8.1 2011-02-03 05:50:08 marka Exp $ */
 
 /*! \file */
 
@@ -24,6 +24,7 @@
 #include 
 
 #include 
+#include 
 #include 
 #include 
 #include 
@@ -35,9 +36,9 @@
 #define TOKEN_STRING(pctx) (pctx->token.value.as_textregion.base)
 
 /*% Check a return value. */
-#define CHECK(op) 						\
-	do { result = (op); 					\
-		if (result != ISC_R_SUCCESS) goto cleanup; 	\
+#define CHECK(op)						\
+	do { result = (op);					\
+		if (result != ISC_R_SUCCESS) goto cleanup;	\
 	} while (0)
 
 /*% Clean up a configuration object if non-NULL. */
@@ -57,7 +58,17 @@ static isc_result_t
 parse_keyvalue(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **ret);
 
 static isc_result_t
-parse_optional_keyvalue(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **ret);
+parse_optional_keyvalue(cfg_parser_t *pctx, const cfg_type_t *type,
+			cfg_obj_t **ret);
+
+static isc_result_t
+parse_updatepolicy(cfg_parser_t *pctx, const cfg_type_t *type,
+		   cfg_obj_t **ret);
+static void
+print_updatepolicy(cfg_printer_t *pctx, const cfg_obj_t *obj);
+
+static void
+doc_updatepolicy(cfg_printer_t *pctx, const cfg_type_t *type);
 
 static void
 print_keyvalue(cfg_printer_t *pctx, const cfg_obj_t *obj);
@@ -111,6 +122,7 @@ static cfg_type_t cfg_type_zone;
 static cfg_type_t cfg_type_zoneopts;
 static cfg_type_t cfg_type_dynamically_loadable_zones;
 static cfg_type_t cfg_type_dynamically_loadable_zones_opts;
+static cfg_type_t cfg_type_v4_aaaa;
 
 /*
  * Clauses that can be found in a 'dynamically loadable zones' statement
@@ -241,30 +253,76 @@ static cfg_tuplefielddef_t pubkey_fields[] = {
 	{ NULL, NULL, 0 }
 };
 static cfg_type_t cfg_type_pubkey = {
-	"pubkey", cfg_parse_tuple, cfg_print_tuple, cfg_doc_tuple, &cfg_rep_tuple, pubkey_fields };
+	"pubkey", cfg_parse_tuple, cfg_print_tuple, cfg_doc_tuple,
+	&cfg_rep_tuple, pubkey_fields };
 
 /*%
  * A list of RR types, used in grant statements.
  * Note that the old parser allows quotes around the RR type names.
  */
 static cfg_type_t cfg_type_rrtypelist = {
-	"rrtypelist", cfg_parse_spacelist, cfg_print_spacelist, cfg_doc_terminal,
-	&cfg_rep_list, &cfg_type_astring
+	"rrtypelist", cfg_parse_spacelist, cfg_print_spacelist,
+	cfg_doc_terminal, &cfg_rep_list, &cfg_type_astring
 };
 
 static const char *mode_enums[] = { "grant", "deny", NULL };
 static cfg_type_t cfg_type_mode = {
-	"mode", cfg_parse_enum, cfg_print_ustring, cfg_doc_enum, &cfg_rep_string,
-	&mode_enums
+	"mode", cfg_parse_enum, cfg_print_ustring, cfg_doc_enum,
+	&cfg_rep_string, &mode_enums
 };
 
+static isc_result_t
+parse_matchtype(cfg_parser_t *pctx, const cfg_type_t *type,
+		cfg_obj_t **ret) {
+	isc_result_t result;
+
+	CHECK(cfg_peektoken(pctx, 0));
+	if (pctx->token.type == isc_tokentype_string &&
+	    strcasecmp(TOKEN_STRING(pctx), "zonesub") == 0) {
+		pctx->flags |= CFG_PCTX_SKIP;
+	}
+	return (cfg_parse_enum(pctx, type, ret));
+
+ cleanup:
+	return (result);
+}
+
+static isc_result_t
+parse_matchname(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **ret) {
+	isc_result_t result;
+	cfg_obj_t *obj = NULL;
+
+	if ((pctx->flags & CFG_PCTX_SKIP) != 0) {
+		pctx->flags &= ~CFG_PCTX_SKIP;
+		CHECK(cfg_parse_void(pctx, NULL, &obj));
+	} else
+		result = cfg_parse_astring(pctx, type, &obj);
+
+	*ret = obj;
+ cleanup:
+	return (result);
+}
+
+static void
+doc_matchname(cfg_printer_t *pctx, const cfg_type_t *type) {
+	cfg_print_chars(pctx, "[ ", 2);
+	cfg_doc_obj(pctx, type->of);
+	cfg_print_chars(pctx, " ]", 2);
+}
+
 static const char *matchtype_enums[] = {
 	"name", "subdomain", "wildcard", "self", "selfsub", "selfwild",
 	"krb5-self", "ms-self", "krb5-subdomain", "ms-subdomain",
-	"tcp-self", "6to4-self", NULL };
+	"tcp-self", "6to4-self", "zonesub", "external", NULL };
+
 static cfg_type_t cfg_type_matchtype = {
-	"matchtype", cfg_parse_enum, cfg_print_ustring, cfg_doc_enum, &cfg_rep_string,
-	&matchtype_enums
+	"matchtype", parse_matchtype, cfg_print_ustring,
+	cfg_doc_enum, &cfg_rep_string, &matchtype_enums
+};
+
+static cfg_type_t cfg_type_matchname = {
+	"optional_matchname", parse_matchname, cfg_print_ustring,
+	&doc_matchname, &cfg_rep_tuple, &cfg_type_ustring
 };
 
 /*%
@@ -274,18 +332,70 @@ static cfg_tuplefielddef_t grant_fields[] = {
 	{ "mode", &cfg_type_mode, 0 },
 	{ "identity", &cfg_type_astring, 0 }, /* domain name */
 	{ "matchtype", &cfg_type_matchtype, 0 },
-	{ "name", &cfg_type_astring, 0 }, /* domain name */
+	{ "name", &cfg_type_matchname, 0 }, /* domain name */
 	{ "types", &cfg_type_rrtypelist, 0 },
 	{ NULL, NULL, 0 }
 };
 static cfg_type_t cfg_type_grant = {
-	"grant", cfg_parse_tuple, cfg_print_tuple, cfg_doc_tuple, &cfg_rep_tuple, grant_fields };
+	"grant", cfg_parse_tuple, cfg_print_tuple, cfg_doc_tuple,
+	 &cfg_rep_tuple, grant_fields
+};
 
 static cfg_type_t cfg_type_updatepolicy = {
-	"update_policy", cfg_parse_bracketed_list, cfg_print_bracketed_list, cfg_doc_bracketed_list,
-	&cfg_rep_list, &cfg_type_grant
+	"update_policy", parse_updatepolicy, print_updatepolicy,
+	doc_updatepolicy, &cfg_rep_list, &cfg_type_grant
 };
 
+static isc_result_t
+parse_updatepolicy(cfg_parser_t *pctx, const cfg_type_t *type,
+		   cfg_obj_t **ret) {
+	isc_result_t result;
+	CHECK(cfg_gettoken(pctx, 0));
+	if (pctx->token.type == isc_tokentype_special &&
+	    pctx->token.value.as_char == '{') {
+		cfg_ungettoken(pctx);
+		return (cfg_parse_bracketed_list(pctx, type, ret));
+	}
+
+	if (pctx->token.type == isc_tokentype_string &&
+	    strcasecmp(TOKEN_STRING(pctx), "local") == 0) {
+		cfg_obj_t *obj = NULL;
+		CHECK(cfg_create_obj(pctx, &cfg_type_ustring, &obj));
+		obj->value.string.length = strlen("local");
+		obj->value.string.base	= isc_mem_get(pctx->mctx,
+						obj->value.string.length + 1);
+		if (obj->value.string.base == NULL) {
+			isc_mem_put(pctx->mctx, obj, sizeof(*obj));
+			return (ISC_R_NOMEMORY);
+		}
+		memcpy(obj->value.string.base, "local", 5);
+		obj->value.string.base[5] = '\0';
+		*ret = obj;
+		return (ISC_R_SUCCESS);
+	}
+
+	cfg_ungettoken(pctx);
+	return (ISC_R_UNEXPECTEDTOKEN);
+
+ cleanup:
+	return (result);
+}
+
+static void
+print_updatepolicy(cfg_printer_t *pctx, const cfg_obj_t *obj) {
+	if (cfg_obj_isstring(obj))
+		cfg_print_ustring(pctx, obj);
+	else
+		cfg_print_bracketed_list(pctx, obj);
+}
+
+static void
+doc_updatepolicy(cfg_printer_t *pctx, const cfg_type_t *type) {
+	cfg_print_cstr(pctx, "( local | { ");
+	cfg_doc_obj(pctx, type->of);
+	cfg_print_cstr(pctx, "; ... }");
+}
+
 /*%
  * A view statement.
  */
@@ -296,7 +406,9 @@ static cfg_tuplefielddef_t view_fields[] = {
 	{ NULL, NULL, 0 }
 };
 static cfg_type_t cfg_type_view = {
-	"view", cfg_parse_tuple, cfg_print_tuple, cfg_doc_tuple, &cfg_rep_tuple, view_fields };
+	"view", cfg_parse_tuple, cfg_print_tuple, cfg_doc_tuple,
+	 &cfg_rep_tuple, view_fields
+};
 
 /*%
  * A zone statement.
@@ -308,7 +420,9 @@ static cfg_tuplefielddef_t zone_fields[] = {
 	{ NULL, NULL, 0 }
 };
 static cfg_type_t cfg_type_zone = {
-	"zone", cfg_parse_tuple, cfg_print_tuple, cfg_doc_tuple, &cfg_rep_tuple, zone_fields };
+	"zone", cfg_parse_tuple, cfg_print_tuple, cfg_doc_tuple,
+	&cfg_rep_tuple, zone_fields
+};
 
 /*%
  * A "category" clause in the "logging" statement.
@@ -319,13 +433,15 @@ static cfg_tuplefielddef_t category_fields[] = {
 	{ NULL, NULL, 0 }
 };
 static cfg_type_t cfg_type_category = {
-	"category", cfg_parse_tuple, cfg_print_tuple, cfg_doc_tuple, &cfg_rep_tuple, category_fields };
+	"category", cfg_parse_tuple, cfg_print_tuple, cfg_doc_tuple,
+	&cfg_rep_tuple, category_fields
+};
 
 
 /*%
- * A trusted key, as used in the "trusted-keys" statement.
+ * A dnssec key, as used in the "trusted-keys" statement.
  */
-static cfg_tuplefielddef_t trustedkey_fields[] = {
+static cfg_tuplefielddef_t dnsseckey_fields[] = {
 	{ "name", &cfg_type_astring, 0 },
 	{ "flags", &cfg_type_uint32, 0 },
 	{ "protocol", &cfg_type_uint32, 0 },
@@ -333,9 +449,27 @@ static cfg_tuplefielddef_t trustedkey_fields[] = {
 	{ "key", &cfg_type_qstring, 0 },
 	{ NULL, NULL, 0 }
 };
-static cfg_type_t cfg_type_trustedkey = {
-	"trustedkey", cfg_parse_tuple, cfg_print_tuple, cfg_doc_tuple, &cfg_rep_tuple,
-	trustedkey_fields
+static cfg_type_t cfg_type_dnsseckey = {
+	"dnsseckey", cfg_parse_tuple, cfg_print_tuple, cfg_doc_tuple,
+	&cfg_rep_tuple, dnsseckey_fields
+};
+
+/*%
+ * A managed key initialization specifier, as used in the
+ * "managed-keys" statement.
+ */
+static cfg_tuplefielddef_t managedkey_fields[] = {
+	{ "name", &cfg_type_astring, 0 },
+	{ "init", &cfg_type_ustring, 0 },   /* must be literal "initial-key" */
+	{ "flags", &cfg_type_uint32, 0 },
+	{ "protocol", &cfg_type_uint32, 0 },
+	{ "algorithm", &cfg_type_uint32, 0 },
+	{ "key", &cfg_type_qstring, 0 },
+	{ NULL, NULL, 0 }
+};
+static cfg_type_t cfg_type_managedkey = {
+	"managedkey", cfg_parse_tuple, cfg_print_tuple, cfg_doc_tuple,
+	&cfg_rep_tuple, managedkey_fields
 };
 
 static keyword_type_t wild_class_kw = { "class", &cfg_type_ustring };
@@ -397,6 +531,7 @@ static cfg_tuplefielddef_t checknames_fields[] = {
 	{ "mode", &cfg_type_checkmode, 0 },
 	{ NULL, NULL, 0 }
 };
+
 static cfg_type_t cfg_type_checknames = {
 	"checknames", cfg_parse_tuple, cfg_print_tuple, cfg_doc_tuple, &cfg_rep_tuple,
 	checknames_fields
@@ -407,6 +542,13 @@ static cfg_type_t cfg_type_bracketed_sockaddrlist = {
 	&cfg_rep_list, &cfg_type_sockaddr
 };
 
+static const char *autodnssec_enums[] = { "allow", "maintain", "create",
+					  "off", NULL };
+static cfg_type_t cfg_type_autodnssec = {
+	"autodnssec", cfg_parse_enum, cfg_print_ustring, cfg_doc_enum,
+	&cfg_rep_string, &autodnssec_enums
+};
+
 static cfg_type_t cfg_type_rrsetorder = {
 	"rrsetorder", cfg_parse_bracketed_list, cfg_print_bracketed_list, cfg_doc_bracketed_list,
 	&cfg_rep_list, &cfg_type_rrsetorderingelement
@@ -421,13 +563,27 @@ static cfg_type_t cfg_type_optional_port = {
 
 /*% A list of keys, as in the "key" clause of the controls statement. */
 static cfg_type_t cfg_type_keylist = {
-	"keylist", cfg_parse_bracketed_list, cfg_print_bracketed_list, cfg_doc_bracketed_list, &cfg_rep_list,
-	&cfg_type_astring
+	"keylist", cfg_parse_bracketed_list, cfg_print_bracketed_list,
+	cfg_doc_bracketed_list, &cfg_rep_list, &cfg_type_astring
+};
+
+/*% A list of dnssec keys, as in "trusted-keys" */
+static cfg_type_t cfg_type_dnsseckeys = {
+	"dnsseckeys", cfg_parse_bracketed_list, cfg_print_bracketed_list,
+	cfg_doc_bracketed_list, &cfg_rep_list, &cfg_type_dnsseckey
 };
 
-static cfg_type_t cfg_type_trustedkeys = {
-	"trusted-keys", cfg_parse_bracketed_list, cfg_print_bracketed_list, cfg_doc_bracketed_list, &cfg_rep_list,
-	&cfg_type_trustedkey
+/*%
+ * A list of managed key entries, as in "trusted-keys".  Currently
+ * (9.7.0) this has a format similar to dnssec keys, except the keyname
+ * is followed by the keyword "initial-key".  In future releases, this
+ * keyword may take other values indicating different methods for the
+ * key to be initialized.
+ */
+
+static cfg_type_t cfg_type_managedkeys = {
+	"managedkeys", cfg_parse_bracketed_list, cfg_print_bracketed_list,
+	cfg_doc_bracketed_list, &cfg_rep_list, &cfg_type_managedkey
 };
 
 static const char *forwardtype_enums[] = { "first", "only", NULL };
@@ -437,7 +593,8 @@ static cfg_type_t cfg_type_forwardtype = {
 };
 
 static const char *zonetype_enums[] = {
-	"master", "slave", "stub", "hint", "forward", "delegation-only", NULL };
+	"master", "slave", "stub", "static-stub", "hint", "forward",
+	"delegation-only", NULL };
 static cfg_type_t cfg_type_zonetype = {
 	"zonetype", cfg_parse_enum, cfg_print_ustring, cfg_doc_enum,
 	&cfg_rep_string, &zonetype_enums
@@ -479,6 +636,7 @@ parse_qstringornone(cfg_parser_t *pctx, const cfg_type_t *type,
 		    cfg_obj_t **ret)
 {
 	isc_result_t result;
+
 	CHECK(cfg_gettoken(pctx, CFG_LEXOPT_QSTRING));
 	if (pctx->token.type == isc_tokentype_string &&
 	    strcasecmp(TOKEN_STRING(pctx), "none") == 0)
@@ -496,13 +654,65 @@ doc_qstringornone(cfg_printer_t *pctx, const cfg_type_t *type) {
 }
 
 static cfg_type_t cfg_type_qstringornone = {
-	"qstringornone", parse_qstringornone, NULL, doc_qstringornone, NULL, NULL };
+	"qstringornone", parse_qstringornone, NULL, doc_qstringornone,
+	NULL, NULL
+};
 
 /*%
- * keyword hostname
+ * A boolean ("yes" or "no"), or the special keyword "auto".
+ * Used in the dnssec-validation option.
  */
+static void
+print_auto(cfg_printer_t *pctx, const cfg_obj_t *obj) {
+	UNUSED(obj);
+	cfg_print_cstr(pctx, "auto");
+}
+
+static cfg_type_t cfg_type_auto = {
+	"auto", NULL, print_auto, NULL, &cfg_rep_void, NULL
+};
+
+static isc_result_t
+parse_boolorauto(cfg_parser_t *pctx, const cfg_type_t *type,
+		    cfg_obj_t **ret)
+{
+	isc_result_t result;
+
+	CHECK(cfg_gettoken(pctx, CFG_LEXOPT_QSTRING));
+	if (pctx->token.type == isc_tokentype_string &&
+	    strcasecmp(TOKEN_STRING(pctx), "auto") == 0)
+		return (cfg_create_obj(pctx, &cfg_type_auto, ret));
+	cfg_ungettoken(pctx);
+	return (cfg_parse_boolean(pctx, type, ret));
+ cleanup:
+	return (result);
+}
 
 static void
+print_boolorauto(cfg_printer_t *pctx, const cfg_obj_t *obj) {
+	if (obj->type->rep == &cfg_rep_void)
+		cfg_print_chars(pctx, "auto", 4);
+	else if (obj->value.boolean)
+		cfg_print_chars(pctx, "yes", 3);
+	else
+		cfg_print_chars(pctx, "no", 2);
+}
+
+static void
+doc_boolorauto(cfg_printer_t *pctx, const cfg_type_t *type) {
+	UNUSED(type);
+	cfg_print_cstr(pctx, "( yes | no | auto )");
+}
+
+static cfg_type_t cfg_type_boolorauto = {
+	"boolorauto", parse_boolorauto, print_boolorauto,
+	doc_boolorauto, NULL, NULL
+};
+
+/*%
+ * keyword hostname
+ */
+static void
 print_hostname(cfg_printer_t *pctx, const cfg_obj_t *obj) {
 	UNUSED(obj);
 	cfg_print_cstr(pctx, "hostname");
@@ -652,7 +862,18 @@ namedconf_or_view_clauses[] = {
 	/* only 1 DLZ per view allowed */
 	{ "dlz", &cfg_type_dynamically_loadable_zones, 0 },
 	{ "server", &cfg_type_server, CFG_CLAUSEFLAG_MULTI },
-	{ "trusted-keys", &cfg_type_trustedkeys, CFG_CLAUSEFLAG_MULTI },
+	{ "trusted-keys", &cfg_type_dnsseckeys, CFG_CLAUSEFLAG_MULTI },
+	{ "managed-keys", &cfg_type_managedkeys, CFG_CLAUSEFLAG_MULTI },
+	{ NULL, NULL, 0 }
+};
+
+/*%
+ * Clauses that can occur in the bind.keys file.
+ */
+static cfg_clausedef_t
+bindkeys_clauses[] = {
+	{ "trusted-keys", &cfg_type_dnsseckeys, CFG_CLAUSEFLAG_MULTI },
+	{ "managed-keys", &cfg_type_managedkeys, CFG_CLAUSEFLAG_MULTI },
 	{ NULL, NULL, 0 }
 };
 
@@ -661,18 +882,21 @@ namedconf_or_view_clauses[] = {
  */
 static cfg_clausedef_t
 options_clauses[] = {
-	{ "use-v4-udp-ports", &cfg_type_bracketed_portlist, 0 },
-	{ "use-v6-udp-ports", &cfg_type_bracketed_portlist, 0 },
 	{ "avoid-v4-udp-ports", &cfg_type_bracketed_portlist, 0 },
 	{ "avoid-v6-udp-ports", &cfg_type_bracketed_portlist, 0 },
+	{ "bindkeys-file", &cfg_type_qstring, 0 },
 	{ "blackhole", &cfg_type_bracketed_aml, 0 },
 	{ "coresize", &cfg_type_size, 0 },
 	{ "datasize", &cfg_type_size, 0 },
+	{ "session-keyfile", &cfg_type_qstringornone, 0 },
+	{ "session-keyname", &cfg_type_astring, 0 },
+	{ "session-keyalg", &cfg_type_astring, 0 },
 	{ "deallocate-on-exit", &cfg_type_boolean, CFG_CLAUSEFLAG_OBSOLETE },
 	{ "directory", &cfg_type_qstring, CFG_CLAUSEFLAG_CALLBACK },
 	{ "dump-file", &cfg_type_qstring, 0 },
 	{ "fake-iquery", &cfg_type_boolean, CFG_CLAUSEFLAG_OBSOLETE },
 	{ "files", &cfg_type_size, 0 },
+	{ "flush-zones-on-shutdown", &cfg_type_boolean, 0 },
 	{ "has-old-clients", &cfg_type_boolean, CFG_CLAUSEFLAG_OBSOLETE },
 	{ "heartbeat-interval", &cfg_type_uint32, 0 },
 	{ "host-statistics", &cfg_type_boolean, CFG_CLAUSEFLAG_NOTIMP },
@@ -681,6 +905,7 @@ options_clauses[] = {
 	{ "interface-interval", &cfg_type_uint32, 0 },
 	{ "listen-on", &cfg_type_listenon, CFG_CLAUSEFLAG_MULTI },
 	{ "listen-on-v6", &cfg_type_listenon, CFG_CLAUSEFLAG_MULTI },
+	{ "managed-keys-directory", &cfg_type_qstring, 0 },
 	{ "match-mapped-addresses", &cfg_type_boolean, 0 },
 	{ "memstatistics-file", &cfg_type_qstring, 0 },
 	{ "memstatistics", &cfg_type_boolean, 0 },
@@ -693,6 +918,7 @@ options_clauses[] = {
 	{ "random-device", &cfg_type_qstring, 0 },
 	{ "recursive-clients", &cfg_type_uint32, 0 },
 	{ "reserved-sockets", &cfg_type_uint32, 0 },
+	{ "secroots-file", &cfg_type_qstring, 0 },
 	{ "serial-queries", &cfg_type_uint32, CFG_CLAUSEFLAG_OBSOLETE },
 	{ "serial-query-rate", &cfg_type_uint32, 0 },
 	{ "server-id", &cfg_type_serverid, 0 },
@@ -703,6 +929,7 @@ options_clauses[] = {
 	{ "tcp-listen-queue", &cfg_type_uint32, 0 },
 	{ "tkey-dhkey", &cfg_type_tkey_dhkey, 0 },
 	{ "tkey-gssapi-credential", &cfg_type_qstring, 0 },
+	{ "tkey-gssapi-keytab", &cfg_type_qstring, 0 },
 	{ "tkey-domain", &cfg_type_qstring, 0 },
 	{ "transfers-per-ns", &cfg_type_uint32, 0 },
 	{ "transfers-in", &cfg_type_uint32, 0 },
@@ -710,12 +937,12 @@ options_clauses[] = {
 	{ "treat-cr-as-space", &cfg_type_boolean, CFG_CLAUSEFLAG_OBSOLETE },
 	{ "use-id-pool", &cfg_type_boolean, CFG_CLAUSEFLAG_OBSOLETE },
 	{ "use-ixfr", &cfg_type_boolean, 0 },
+	{ "use-v4-udp-ports", &cfg_type_bracketed_portlist, 0 },
+	{ "use-v6-udp-ports", &cfg_type_bracketed_portlist, 0 },
 	{ "version", &cfg_type_qstringornone, 0 },
-	{ "flush-zones-on-shutdown", &cfg_type_boolean, 0 },
 	{ NULL, NULL, 0 }
 };
 
-
 static cfg_type_t cfg_type_namelist = {
 	"namelist", cfg_parse_bracketed_list, cfg_print_bracketed_list,
 	cfg_doc_bracketed_list, &cfg_rep_list, &cfg_type_qstring };
@@ -726,6 +953,34 @@ static cfg_type_t cfg_type_optional_exclude = {
 	"optional_exclude", parse_optional_keyvalue, print_keyvalue,
 	doc_optional_keyvalue, &cfg_rep_list, &exclude_kw };
 
+static keyword_type_t exceptionnames_kw = { "except-from", &cfg_type_namelist };
+
+static cfg_type_t cfg_type_optional_exceptionnames = {
+	"optional_allow", parse_optional_keyvalue, print_keyvalue,
+	doc_optional_keyvalue, &cfg_rep_list, &exceptionnames_kw };
+
+static cfg_tuplefielddef_t denyaddresses_fields[] = {
+	{ "acl", &cfg_type_bracketed_aml, 0 },
+	{ "except-from", &cfg_type_optional_exceptionnames, 0 },
+	{ NULL, NULL, 0 }
+};
+
+static cfg_type_t cfg_type_denyaddresses = {
+	"denyaddresses", cfg_parse_tuple, cfg_print_tuple, cfg_doc_tuple,
+	&cfg_rep_tuple, denyaddresses_fields
+};
+
+static cfg_tuplefielddef_t denyaliases_fields[] = {
+	{ "name", &cfg_type_namelist, 0 },
+	{ "except-from", &cfg_type_optional_exceptionnames, 0 },
+	{ NULL, NULL, 0 }
+};
+
+static cfg_type_t cfg_type_denyaliases = {
+	"denyaliases", cfg_parse_tuple, cfg_print_tuple, cfg_doc_tuple,
+	&cfg_rep_tuple, denyaliases_fields
+};
+
 static cfg_type_t cfg_type_algorithmlist = {
 	"algorithmlist", cfg_parse_bracketed_list, cfg_print_bracketed_list,
 	cfg_doc_bracketed_list, &cfg_rep_list, &cfg_type_astring };
@@ -758,20 +1013,134 @@ static cfg_type_t cfg_type_masterformat = {
 	&cfg_rep_string, &masterformat_enums
 };
 
+
+
+/*
+ *  response-policy {
+ *	zone  [ policy (given|no-op|nxdomain|nodata|cname  ) ];
+ *  };
+ *
+ * this is a chimera of doc_optional_keyvalue() and cfg_doc_enum()
+ */
+static void
+doc_rpz_policies(cfg_printer_t *pctx, const cfg_type_t *type) {
+	const keyword_type_t *kw;
+	const char * const *p;
+
+	kw = type->of;
+	cfg_print_chars(pctx, "[ ", 2);
+	cfg_print_cstr(pctx, kw->name);
+	cfg_print_chars(pctx, " ", 1);
+
+	cfg_print_chars(pctx, "( ", 2);
+	for (p = kw->type->of; *p != NULL; p++) {
+		cfg_print_cstr(pctx, *p);
+		if (p[1] != NULL)
+			cfg_print_chars(pctx, " | ", 3);
+	}
+}
+
+/*
+ * print_qstring() from parser.c
+ */
+static void
+print_rpz_cname(cfg_printer_t *pctx, const cfg_obj_t *obj)
+{
+	cfg_print_chars(pctx, "\"", 1);
+	cfg_print_ustring(pctx, obj);
+	cfg_print_chars(pctx, "\"", 1);
+}
+
+static void
+doc_rpz_cname(cfg_printer_t *pctx, const cfg_type_t *type) {
+	cfg_doc_terminal(pctx, type);
+	cfg_print_chars(pctx, " ) ]", 4);
+}
+
+static isc_result_t
+parse_rpz(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **ret) {
+	isc_result_t result;
+	cfg_obj_t *obj = NULL;
+	const cfg_tuplefielddef_t *fields = type->of;
+
+	CHECK(cfg_create_tuple(pctx, type, &obj));
+	CHECK(cfg_parse_obj(pctx, fields[0].type, &obj->value.tuple[0]));
+	CHECK(cfg_parse_obj(pctx, fields[1].type, &obj->value.tuple[1]));
+	/*
+	 * parse cname domain only after "policy cname"
+	 */
+	if (cfg_obj_isvoid(obj->value.tuple[1]) ||
+	    strcasecmp("cname", cfg_obj_asstring(obj->value.tuple[1]))) {
+		CHECK(cfg_parse_void(pctx, NULL, &obj->value.tuple[2]));
+	} else {
+		CHECK(cfg_parse_obj(pctx, fields[2].type, &obj->value.tuple[2]));
+	}
+
+	*ret = obj;
+	return (ISC_R_SUCCESS);
+
+cleanup:
+	CLEANUP_OBJ(obj);
+	return (result);
+}
+
+static const char *rpz_policies[] = {
+	"given", "no-op", "nxdomain", "nodata", "cname", NULL
+};
+static cfg_type_t cfg_type_rpz_policylist = {
+	"policies", cfg_parse_enum, cfg_print_ustring, cfg_doc_enum,
+	&cfg_rep_string, &rpz_policies
+};
+static keyword_type_t rpz_policies_kw = {
+	"policy", &cfg_type_rpz_policylist
+};
+static cfg_type_t cfg_type_rpz_policy = {
+	"optional_policy", parse_optional_keyvalue, print_keyvalue,
+	doc_rpz_policies, &cfg_rep_string, &rpz_policies_kw
+};
+static cfg_type_t cfg_type_cname = {
+	"domain", cfg_parse_astring, print_rpz_cname, doc_rpz_cname,
+	&cfg_rep_string, NULL
+};
+static cfg_tuplefielddef_t rpzone_fields[] = {
+	{ "name", &cfg_type_astring, 0 },
+	{ "policy", &cfg_type_rpz_policy, 0 },
+	{ "cname", &cfg_type_cname, 0 },
+	{ NULL, NULL, 0 }
+};
+static cfg_type_t cfg_type_rpzone = {
+	"rpzone", parse_rpz, cfg_print_tuple, cfg_doc_tuple,
+	&cfg_rep_tuple, rpzone_fields
+};
+static cfg_clausedef_t rpz_clauses[] = {
+	{ "zone", &cfg_type_rpzone, CFG_CLAUSEFLAG_MULTI },
+	{ NULL, NULL, 0 }
+};
+static cfg_clausedef_t *rpz_clausesets[] = {
+	rpz_clauses,
+	NULL
+};
+static cfg_type_t cfg_type_rpz = {
+	"rpz", cfg_parse_map, cfg_print_map, cfg_doc_map,
+	&cfg_rep_map, rpz_clausesets
+};
+
+
+
 /*%
  * dnssec-lookaside
  */
 
 static keyword_type_t trustanchor_kw = { "trust-anchor", &cfg_type_astring };
 
-static cfg_type_t cfg_type_trustanchor = {
-	"trust-anchor", parse_keyvalue, print_keyvalue, doc_keyvalue,
-	&cfg_rep_string, &trustanchor_kw
+static cfg_type_t cfg_type_optional_trustanchor = {
+	"optional_trustanchor", parse_optional_keyvalue, print_keyvalue,
+	doc_keyvalue, &cfg_rep_string, &trustanchor_kw
 };
 
 static cfg_tuplefielddef_t lookaside_fields[] = {
 	{ "domain", &cfg_type_astring, 0 },
-	{ "trust-anchor", &cfg_type_trustanchor, 0 },
+	{ "trust-anchor", &cfg_type_optional_trustanchor, 0 },
 	{ NULL, NULL, 0 }
 };
 
@@ -780,6 +1149,31 @@ static cfg_type_t cfg_type_lookaside = {
 	&cfg_rep_tuple, lookaside_fields
 };
 
+/*
+ * DNS64.
+ */
+static cfg_clausedef_t
+dns64_clauses[] = {
+	{ "clients", &cfg_type_bracketed_aml, 0 },
+	{ "mapped", &cfg_type_bracketed_aml, 0 },
+	{ "exclude", &cfg_type_bracketed_aml, 0 },
+	{ "suffix", &cfg_type_netaddr6, 0 },
+	{ "recursive-only", &cfg_type_boolean, 0 },
+	{ "break-dnssec", &cfg_type_boolean, 0 },
+	{ NULL, NULL, 0 },
+};
+
+static cfg_clausedef_t *
+dns64_clausesets[] = {
+	dns64_clauses,
+	NULL
+};
+
+static cfg_type_t cfg_type_dns64 = {
+	"dns64", cfg_parse_netprefix_map, cfg_print_map, cfg_doc_map,
+	&cfg_rep_map, dns64_clausesets
+};
+
 /*%
  * Clauses that can be found within the 'view' statement,
  * with defaults in the 'options' statement.
@@ -791,26 +1185,33 @@ view_clauses[] = {
 	{ "acache-enable", &cfg_type_boolean, 0 },
 	{ "additional-from-auth", &cfg_type_boolean, 0 },
 	{ "additional-from-cache", &cfg_type_boolean, 0 },
+	{ "allow-new-zones", &cfg_type_boolean, 0 },
 	{ "allow-query-cache", &cfg_type_bracketed_aml, 0 },
 	{ "allow-query-cache-on", &cfg_type_bracketed_aml, 0 },
 	{ "allow-recursion", &cfg_type_bracketed_aml, 0 },
 	{ "allow-recursion-on", &cfg_type_bracketed_aml, 0 },
 	{ "allow-v6-synthesis", &cfg_type_bracketed_aml,
 	  CFG_CLAUSEFLAG_OBSOLETE },
+	{ "attach-cache", &cfg_type_astring, 0 },
 	{ "auth-nxdomain", &cfg_type_boolean, CFG_CLAUSEFLAG_NEWDEFAULT },
 	{ "cache-file", &cfg_type_qstring, 0 },
 	{ "check-names", &cfg_type_checknames, CFG_CLAUSEFLAG_MULTI },
 	{ "cleaning-interval", &cfg_type_uint32, 0 },
 	{ "clients-per-query", &cfg_type_uint32, 0 },
+	{ "deny-answer-addresses", &cfg_type_denyaddresses, 0 },
+	{ "deny-answer-aliases", &cfg_type_denyaliases, 0 },
 	{ "disable-algorithms", &cfg_type_disablealgorithm,
 	  CFG_CLAUSEFLAG_MULTI },
 	{ "disable-empty-zone", &cfg_type_astring, CFG_CLAUSEFLAG_MULTI },
+	{ "dns64", &cfg_type_dns64, CFG_CLAUSEFLAG_MULTI },
+	{ "dns64-server", &cfg_type_astring, 0 },
+	{ "dns64-contact", &cfg_type_astring, 0 },
 	{ "dnssec-accept-expired", &cfg_type_boolean, 0 },
 	{ "dnssec-enable", &cfg_type_boolean, 0 },
 	{ "dnssec-lookaside", &cfg_type_lookaside, CFG_CLAUSEFLAG_MULTI },
 	{ "dnssec-must-be-secure",  &cfg_type_mustbesecure,
 	  CFG_CLAUSEFLAG_MULTI },
-	{ "dnssec-validation", &cfg_type_boolean, 0 },
+	{ "dnssec-validation", &cfg_type_boolorauto, 0 },
 	{ "dual-stack-servers", &cfg_type_nameportiplist, 0 },
 	{ "edns-udp-size", &cfg_type_uint32, 0 },
 	{ "empty-contact", &cfg_type_astring, 0 },
@@ -841,6 +1242,7 @@ view_clauses[] = {
 	{ "recursion", &cfg_type_boolean, 0 },
 	{ "request-ixfr", &cfg_type_boolean, 0 },
 	{ "request-nsid", &cfg_type_boolean, 0 },
+	{ "resolver-query-timeout", &cfg_type_uint32, 0 },
 	{ "rfc2308-type1", &cfg_type_boolean, CFG_CLAUSEFLAG_NYI },
 	{ "root-delegation-only",  &cfg_type_optional_exclude, 0 },
 	{ "rrset-order", &cfg_type_rrsetorder, 0 },
@@ -850,6 +1252,16 @@ view_clauses[] = {
 	{ "transfer-format", &cfg_type_transferformat, 0 },
 	{ "use-queryport-pool", &cfg_type_boolean, CFG_CLAUSEFLAG_OBSOLETE },
 	{ "zero-no-soa-ttl-cache", &cfg_type_boolean, 0 },
+#ifdef ALLOW_FILTER_AAAA_ON_V4
+	{ "filter-aaaa", &cfg_type_bracketed_aml, 0 },
+	{ "filter-aaaa-on-v4", &cfg_type_v4_aaaa, 0 },
+#else
+	{ "filter-aaaa", &cfg_type_bracketed_aml,
+	   CFG_CLAUSEFLAG_NOTCONFIGURED },
+	{ "filter-aaaa-on-v4", &cfg_type_v4_aaaa,
+	   CFG_CLAUSEFLAG_NOTCONFIGURED },
+#endif
+	{ "response-policy", &cfg_type_rpz, 0 },
 	{ NULL, NULL, 0 }
 };
 
@@ -920,6 +1332,7 @@ zone_clauses[] = {
 	{ "also-notify", &cfg_type_portiplist, 0 },
 	{ "alt-transfer-source", &cfg_type_sockaddr4wild, 0 },
 	{ "alt-transfer-source-v6", &cfg_type_sockaddr6wild, 0 },
+	{ "check-dup-records", &cfg_type_checkmode, 0 },
 	{ "check-integrity", &cfg_type_boolean, 0 },
 	{ "check-mx", &cfg_type_checkmode, 0 },
 	{ "check-mx-cname", &cfg_type_checkmode, 0 },
@@ -927,6 +1340,8 @@ zone_clauses[] = {
 	{ "check-srv-cname", &cfg_type_checkmode, 0 },
 	{ "check-wildcard", &cfg_type_boolean, 0 },
 	{ "dialup", &cfg_type_dialuptype, 0 },
+	{ "dnssec-dnskey-kskonly", &cfg_type_boolean, 0 },
+	{ "dnssec-secure-to-insecure", &cfg_type_boolean, 0 },
 	{ "forward", &cfg_type_forwardtype, 0 },
 	{ "forwarders", &cfg_type_portiplist, 0 },
 	{ "key-directory", &cfg_type_qstring, 0 },
@@ -986,6 +1401,9 @@ zone_only_clauses[] = {
 	 */
 	{ "check-names", &cfg_type_checkmode, 0 },
 	{ "ixfr-from-differences", &cfg_type_boolean, 0 },
+	{ "auto-dnssec", &cfg_type_autodnssec, 0 },
+	{ "server-addresses", &cfg_type_bracketed_sockaddrlist, 0 },
+	{ "server-names", &cfg_type_namelist, 0 },
 	{ NULL, NULL, 0 }
 };
 
@@ -998,12 +1416,40 @@ namedconf_clausesets[] = {
 	namedconf_or_view_clauses,
 	NULL
 };
-
 LIBISCCFG_EXTERNAL_DATA cfg_type_t cfg_type_namedconf = {
 	"namedconf", cfg_parse_mapbody, cfg_print_mapbody, cfg_doc_mapbody,
 	&cfg_rep_map, namedconf_clausesets
 };
 
+/*% The bind.keys syntax (trusted-keys/managed-keys only). */
+static cfg_clausedef_t *
+bindkeys_clausesets[] = {
+	bindkeys_clauses,
+	NULL
+};
+LIBISCCFG_EXTERNAL_DATA cfg_type_t cfg_type_bindkeys = {
+	"bindkeys", cfg_parse_mapbody, cfg_print_mapbody, cfg_doc_mapbody,
+	&cfg_rep_map, bindkeys_clausesets
+};
+
+/*% The new-zone-file syntax (for zones added by 'rndc addzone') */
+static cfg_clausedef_t
+newzones_clauses[] = {
+	{ "zone", &cfg_type_zone, CFG_CLAUSEFLAG_MULTI },
+	{ NULL, NULL, 0 }
+};
+
+static cfg_clausedef_t *
+newzones_clausesets[] = {
+	newzones_clauses,
+	NULL
+};
+
+LIBISCCFG_EXTERNAL_DATA cfg_type_t cfg_type_newzones = {
+	"newzones", cfg_parse_mapbody, cfg_print_mapbody, cfg_doc_mapbody,
+	&cfg_rep_map, newzones_clausesets
+};
+
 /*% The "options" statement syntax. */
 
 static cfg_clausedef_t *
@@ -1166,6 +1612,38 @@ static cfg_type_t cfg_type_logging = {
 	"logging", cfg_parse_map, cfg_print_map, cfg_doc_map, &cfg_rep_map, logging_clausesets };
 
 
+/*%
+ * For parsing an 'addzone' statement
+ */
+
+static cfg_tuplefielddef_t addzone_fields[] = {
+	{ "name", &cfg_type_astring, 0 },
+	{ "class", &cfg_type_optional_class, 0 },
+	{ "view", &cfg_type_optional_class, 0 },
+	{ "options", &cfg_type_zoneopts, 0 },
+	{ NULL, NULL, 0 }
+};
+static cfg_type_t cfg_type_addzone = {
+	"addzone", cfg_parse_tuple, cfg_print_tuple, cfg_doc_tuple, &cfg_rep_tuple, addzone_fields };
+
+static cfg_clausedef_t
+addzoneconf_clauses[] = {
+	{ "addzone", &cfg_type_addzone, 0 },
+	{ NULL, NULL, 0 }
+};
+
+static cfg_clausedef_t *
+addzoneconf_clausesets[] = {
+	addzoneconf_clauses,
+	NULL
+};
+
+LIBISCCFG_EXTERNAL_DATA cfg_type_t cfg_type_addzoneconf = {
+	"addzoneconf", cfg_parse_mapbody, cfg_print_mapbody, cfg_doc_mapbody,
+	&cfg_rep_map, addzoneconf_clausesets
+};
+
+
 static isc_result_t
 parse_unitstring(char *str, isc_resourcevalue_t *valuep) {
 	char *endp;
@@ -1385,6 +1863,17 @@ static cfg_type_t cfg_type_ixfrdifftype = {
 	&cfg_rep_string, ixfrdiff_enums,
 };
 
+static const char *v4_aaaa_enums[] = { "break-dnssec", NULL };
+static isc_result_t
+parse_v4_aaaa(cfg_parser_t *pctx, const cfg_type_t *type,
+		     cfg_obj_t **ret) {
+	return (parse_enum_or_other(pctx, type, &cfg_type_boolean, ret));
+}
+static cfg_type_t cfg_type_v4_aaaa = {
+	"v4_aaaa", parse_v4_aaaa, cfg_print_ustring,
+	doc_enum_or_other, &cfg_rep_string, v4_aaaa_enums,
+};
+
 static keyword_type_t key_kw = { "key", &cfg_type_astring };
 
 LIBISCCFG_EXTERNAL_DATA cfg_type_t cfg_type_keyref = {
@@ -2082,6 +2571,15 @@ LIBISCCFG_EXTERNAL_DATA cfg_type_t cfg_type_rndckey = {
 	&cfg_rep_map, rndckey_clausesets
 };
 
+/*
+ * session.key has exactly the same syntax as rndc.key, but it's defined
+ * separately for clarity (and so we can extend it someday, if needed).
+ */
+LIBISCCFG_EXTERNAL_DATA cfg_type_t cfg_type_sessionkey = {
+	"sessionkey", cfg_parse_mapbody, cfg_print_mapbody, cfg_doc_mapbody,
+	&cfg_rep_map, rndckey_clausesets
+};
+
 static cfg_tuplefielddef_t nameport_fields[] = {
 	{ "name", &cfg_type_astring, 0 },
 	{ "port", &cfg_type_optional_port, 0 },
diff --git a/lib/isccfg/parser.c b/lib/isccfg/parser.c
index 2f64a09..87ad391 100644
--- a/lib/isccfg/parser.c
+++ b/lib/isccfg/parser.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2008  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2011  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 2000-2003  Internet Software Consortium.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: parser.c,v 1.129 2008-09-25 04:02:39 tbox Exp $ */
+/* $Id: parser.c,v 1.139 2011-01-04 23:47:14 tbox Exp $ */
 
 /*! \file */
 
@@ -29,12 +29,12 @@
 #include 
 #include 
 #include 
+#include 
 #include 
 #include 
 #include 
-#include 
-#include 
 #include 
+#include 
 
 #include 
 #include 
@@ -387,6 +387,12 @@ cfg_parser_create(isc_mem_t *mctx, isc_log_t *lctx, cfg_parser_t **ret) {
 	if (pctx == NULL)
 		return (ISC_R_NOMEMORY);
 
+	result = isc_refcount_init(&pctx->references, 1);
+	if (result != ISC_R_SUCCESS) {
+		isc_mem_put(mctx, pctx, sizeof(*pctx));
+		return (result);
+	}
+
 	pctx->mctx = mctx;
 	pctx->lctx = lctx;
 	pctx->lexer = NULL;
@@ -400,6 +406,7 @@ cfg_parser_create(isc_mem_t *mctx, isc_log_t *lctx, cfg_parser_t **ret) {
 	pctx->callback = NULL;
 	pctx->callbackarg = NULL;
 	pctx->token.type = isc_tokentype_unknown;
+	pctx->flags = 0;
 
 	memset(specials, 0, sizeof(specials));
 	specials['{'] = 1;
@@ -526,17 +533,30 @@ cfg_parse_buffer(cfg_parser_t *pctx, isc_buffer_t *buffer,
 }
 
 void
+cfg_parser_attach(cfg_parser_t *src, cfg_parser_t **dest) {
+	REQUIRE(src != NULL);
+	REQUIRE(dest != NULL && *dest == NULL);
+	isc_refcount_increment(&src->references, NULL);
+	*dest = src;
+}
+
+void
 cfg_parser_destroy(cfg_parser_t **pctxp) {
 	cfg_parser_t *pctx = *pctxp;
-	isc_lex_destroy(&pctx->lexer);
-	/*
-	 * Cleaning up open_files does not
-	 * close the files; that was already done
-	 * by closing the lexer.
-	 */
-	CLEANUP_OBJ(pctx->open_files);
-	CLEANUP_OBJ(pctx->closed_files);
-	isc_mem_put(pctx->mctx, pctx, sizeof(*pctx));
+	unsigned int refs;
+
+	isc_refcount_decrement(&pctx->references, &refs);
+	if (refs == 0) {
+		isc_lex_destroy(&pctx->lexer);
+		/*
+		 * Cleaning up open_files does not
+		 * close the files; that was already done
+		 * by closing the lexer.
+		 */
+		CLEANUP_OBJ(pctx->open_files);
+		CLEANUP_OBJ(pctx->closed_files);
+		isc_mem_put(pctx->mctx, pctx, sizeof(*pctx));
+	}
 	*pctxp = NULL;
 }
 
@@ -848,8 +868,8 @@ cfg_obj_asboolean(const cfg_obj_t *obj) {
 	return (obj->value.boolean);
 }
 
-static isc_result_t
-parse_boolean(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **ret)
+isc_result_t
+cfg_parse_boolean(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **ret)
 {
 	isc_result_t result;
 	isc_boolean_t value;
@@ -888,8 +908,8 @@ parse_boolean(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **ret)
 	return (result);
 }
 
-static void
-print_boolean(cfg_printer_t *pctx, const cfg_obj_t *obj) {
+void
+cfg_print_boolean(cfg_printer_t *pctx, const cfg_obj_t *obj) {
 	if (obj->value.boolean)
 		cfg_print_chars(pctx, "yes", 3);
 	else
@@ -897,7 +917,7 @@ print_boolean(cfg_printer_t *pctx, const cfg_obj_t *obj) {
 }
 
 cfg_type_t cfg_type_boolean = {
-	"boolean", parse_boolean, print_boolean, cfg_doc_terminal,
+	"boolean", cfg_parse_boolean, cfg_print_boolean, cfg_doc_terminal,
 	&cfg_rep_boolean, NULL
 };
 
@@ -1132,7 +1152,7 @@ cfg_list_length(const cfg_obj_t *obj, isc_boolean_t recurse) {
 	return (count);
 }
 
-const cfg_obj_t *
+cfg_obj_t *
 cfg_listelt_value(const cfg_listelt_t *elt) {
 	REQUIRE(elt != NULL);
 	return (elt->obj);
@@ -1237,6 +1257,14 @@ cfg_parse_mapbody(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **ret)
 		if ((clause->flags & CFG_CLAUSEFLAG_NYI) != 0)
 			cfg_parser_warning(pctx, 0, "option '%s' is "
 				       "not implemented", clause->name);
+
+		if ((clause->flags & CFG_CLAUSEFLAG_NOTCONFIGURED) != 0) {
+			cfg_parser_warning(pctx, 0, "option '%s' is not "
+					   "configured", clause->name);
+			result = ISC_R_FAILURE;
+			goto cleanup;
+		}
+
 		/*
 		 * Don't log options with CFG_CLAUSEFLAG_NEWDEFAULT
 		 * set here - we need to log the *lack* of such an option,
@@ -1478,6 +1506,7 @@ static struct flagtext {
 	{ CFG_CLAUSEFLAG_OBSOLETE, "obsolete" },
 	{ CFG_CLAUSEFLAG_NEWDEFAULT, "default changed" },
 	{ CFG_CLAUSEFLAG_TESTONLY, "test only" },
+	{ CFG_CLAUSEFLAG_NOTCONFIGURED, "not configured" },
 	{ 0, NULL }
 };
 
@@ -2305,6 +2334,7 @@ cfg_obj_line(const cfg_obj_t *obj) {
 
 isc_result_t
 cfg_create_obj(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **ret) {
+	isc_result_t result;
 	cfg_obj_t *obj;
 
 	obj = isc_mem_get(pctx->mctx, sizeof(cfg_obj_t));
@@ -2313,10 +2343,16 @@ cfg_create_obj(cfg_parser_t *pctx, const cfg_type_t *type, cfg_obj_t **ret) {
 	obj->type = type;
 	obj->file = current_file(pctx);
 	obj->line = pctx->line;
+	result = isc_refcount_init(&obj->references, 1);
+	if (result != ISC_R_SUCCESS) {
+		isc_mem_put(pctx->mctx, obj, sizeof(cfg_obj_t));
+		return (result);
+	}
 	*ret = obj;
 	return (ISC_R_SUCCESS);
 }
 
+
 static void
 map_symtabitem_destroy(char *key, unsigned int type,
 		       isc_symvalue_t symval, void *userarg)
@@ -2370,11 +2406,25 @@ cfg_obj_istype(const cfg_obj_t *obj, const cfg_type_t *type) {
 void
 cfg_obj_destroy(cfg_parser_t *pctx, cfg_obj_t **objp) {
 	cfg_obj_t *obj = *objp;
-	obj->type->rep->free(pctx, obj);
-	isc_mem_put(pctx->mctx, obj, sizeof(cfg_obj_t));
+	unsigned int refs;
+
+	isc_refcount_decrement(&obj->references, &refs);
+	if (refs == 0) {
+		obj->type->rep->free(pctx, obj);
+		isc_refcount_destroy(&obj->references);
+		isc_mem_put(pctx->mctx, obj, sizeof(cfg_obj_t));
+	}
 	*objp = NULL;
 }
 
+void
+cfg_obj_attach(cfg_obj_t *src, cfg_obj_t **dest) {
+    REQUIRE(src != NULL);
+    REQUIRE(dest != NULL && *dest == NULL);
+    isc_refcount_increment(&src->references, NULL);
+    *dest = src;
+}
+
 static void
 free_noop(cfg_parser_t *pctx, cfg_obj_t *obj) {
 	UNUSED(pctx);
diff --git a/lib/lwres/api b/lib/lwres/api
index fbbf923..94575eb 100644
--- a/lib/lwres/api
+++ b/lib/lwres/api
@@ -1,3 +1,3 @@
-LIBINTERFACE = 50
-LIBREVISION = 3
+LIBINTERFACE = 80
+LIBREVISION = 0
 LIBAGE = 0
diff --git a/lib/lwres/context.c b/lib/lwres/context.c
index 1310022..e8f0eda 100644
--- a/lib/lwres/context.c
+++ b/lib/lwres/context.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: context.c,v 1.50.332.5 2009-09-01 23:47:05 tbox Exp $ */
+/* $Id: context.c,v 1.55 2009-09-02 23:48:03 tbox Exp $ */
 
 /*! \file context.c
    lwres_context_create() creates a #lwres_context_t structure for use in
diff --git a/lib/lwres/context_p.h b/lib/lwres/context_p.h
index 663b1da..0976951 100644
--- a/lib/lwres/context_p.h
+++ b/lib/lwres/context_p.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: context_p.h,v 1.17.332.2 2008-12-30 23:46:49 tbox Exp $ */
+/* $Id: context_p.h,v 1.19 2008-12-17 23:47:58 tbox Exp $ */
 
 #ifndef LWRES_CONTEXT_P_H
 #define LWRES_CONTEXT_P_H 1
diff --git a/lib/lwres/getaddrinfo.c b/lib/lwres/getaddrinfo.c
index 665205a..81534fc 100644
--- a/lib/lwres/getaddrinfo.c
+++ b/lib/lwres/getaddrinfo.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2004-2007, 2009  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2004-2008  Internet Systems Consortium, Inc. ("ISC")
  * Copyright (C) 1999-2001  Internet Software Consortium.
  *
  * This code is derived from software contributed to ISC by
@@ -18,7 +18,7 @@
  * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: getaddrinfo.c,v 1.52.254.2 2009-03-31 23:47:16 tbox Exp $ */
+/* $Id: getaddrinfo.c,v 1.54 2008-11-25 23:47:23 tbox Exp $ */
 
 /*! \file */
 
diff --git a/lib/lwres/getipnode.c b/lib/lwres/getipnode.c
index b9eadee..bc90c74 100644
--- a/lib/lwres/getipnode.c
+++ b/lib/lwres/getipnode.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: getipnode.c,v 1.42.332.5 2009-09-01 23:47:05 tbox Exp $ */
+/* $Id: getipnode.c,v 1.47 2009-09-01 23:47:45 tbox Exp $ */
 
 /*! \file */
 
diff --git a/lib/lwres/include/lwres/context.h b/lib/lwres/include/lwres/context.h
index 46be27a..2421b57 100644
--- a/lib/lwres/include/lwres/context.h
+++ b/lib/lwres/include/lwres/context.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: context.h,v 1.21.332.2 2008-12-30 23:46:49 tbox Exp $ */
+/* $Id: context.h,v 1.23 2008-12-17 23:47:58 tbox Exp $ */
 
 #ifndef LWRES_CONTEXT_H
 #define LWRES_CONTEXT_H 1
diff --git a/lib/lwres/include/lwres/netdb.h.in b/lib/lwres/include/lwres/netdb.h.in
index 7531ca3..8eedd27 100644
--- a/lib/lwres/include/lwres/netdb.h.in
+++ b/lib/lwres/include/lwres/netdb.h.in
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: netdb.h.in,v 1.39.332.2 2009-01-18 23:47:41 tbox Exp $ */
+/* $Id: netdb.h.in,v 1.41 2009-01-18 23:48:14 tbox Exp $ */
 
 /*! \file */
 
diff --git a/lib/lwres/lwconfig.c b/lib/lwres/lwconfig.c
index 356c106..764ff2a 100644
--- a/lib/lwres/lwconfig.c
+++ b/lib/lwres/lwconfig.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: lwconfig.c,v 1.46.332.2 2008-12-30 23:46:49 tbox Exp $ */
+/* $Id: lwconfig.c,v 1.48 2008-12-17 23:47:58 tbox Exp $ */
 
 /*! \file */
 
diff --git a/lib/lwres/man/lwres.3 b/lib/lwres/man/lwres.3
index 77f96b6..c2c0bb6 100644
--- a/lib/lwres/man/lwres.3
+++ b/lib/lwres/man/lwres.3
@@ -13,7 +13,7 @@
 .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 .\" PERFORMANCE OF THIS SOFTWARE.
 .\"
-.\" $Id: lwres.3,v 1.28.418.1 2009-07-11 01:55:21 tbox Exp $
+.\" $Id: lwres.3,v 1.29 2009-07-11 01:12:46 tbox Exp $
 .\"
 .hy 0
 .ad l
diff --git a/lib/lwres/man/lwres.html b/lib/lwres/man/lwres.html
index 3844c01..6cfb750 100644
--- a/lib/lwres/man/lwres.html
+++ b/lib/lwres/man/lwres.html
@@ -14,7 +14,7 @@
  - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  - PERFORMANCE OF THIS SOFTWARE.
 -->
-
+
 
 
 
@@ -22,7 +22,7 @@
 
 
 
    
-
    
+
    
 
    
 
    Name
    
 
    lwres — introduction to the lightweight resolver library
    
@@ -32,7 +32,7 @@
 
    #include <lwres/lwres.h>
    
 
    
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    
       The BIND 9 lightweight resolver library is a simple, name service
       independent stub resolver library.  It provides hostname-to-address
@@ -47,7 +47,7 @@
     
    
 
    
 
    
-
    OVERVIEW
    
+
    OVERVIEW
    
 
    
       The lwresd library implements multiple name service APIs.
       The standard
@@ -101,7 +101,7 @@
     
    
 
    
 
    
-
    CLIENT-SIDE LOW-LEVEL API CALL FLOW
    
+
    CLIENT-SIDE LOW-LEVEL API CALL FLOW
    
 
    
       When a client program wishes to make an lwres request using the
       native low-level API, it typically performs the following
@@ -149,7 +149,7 @@
     
    
 
    
 
    
-
    SERVER-SIDE LOW-LEVEL API CALL FLOW
    
+
    SERVER-SIDE LOW-LEVEL API CALL FLOW
    
 
    
       When implementing the server side of the lightweight resolver
       protocol using the lwres library, a sequence of actions like the
@@ -191,7 +191,7 @@
 
    
 
    
 
    
-
    SEE ALSO
    
+
    SEE ALSO
    
 
    lwres_gethostent(3),
 
       lwres_getipnode(3),
diff --git a/lib/lwres/man/lwres_buffer.3 b/lib/lwres/man/lwres_buffer.3
index 89b9b65..0fc5225 100644
--- a/lib/lwres/man/lwres_buffer.3
+++ b/lib/lwres/man/lwres_buffer.3
@@ -13,7 +13,7 @@
 .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 .\" PERFORMANCE OF THIS SOFTWARE.
 .\"
-.\" $Id: lwres_buffer.3,v 1.26.418.1 2009-07-11 01:55:21 tbox Exp $
+.\" $Id: lwres_buffer.3,v 1.27 2009-07-11 01:12:46 tbox Exp $
 .\"
 .hy 0
 .ad l
diff --git a/lib/lwres/man/lwres_buffer.html b/lib/lwres/man/lwres_buffer.html
index 7f3934a..b7e034f 100644
--- a/lib/lwres/man/lwres_buffer.html
+++ b/lib/lwres/man/lwres_buffer.html
@@ -14,7 +14,7 @@
  - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  - PERFORMANCE OF THIS SOFTWARE.
 -->
-
+
 
 
 
@@ -22,7 +22,7 @@
 
 
 
    
-
    
+
    
 
    
 
    Name
    
 
    lwres_buffer_init, lwres_buffer_invalidate, lwres_buffer_add, lwres_buffer_subtract, lwres_buffer_clear, lwres_buffer_first, lwres_buffer_forward, lwres_buffer_back, lwres_buffer_getuint8, lwres_buffer_putuint8, lwres_buffer_getuint16, lwres_buffer_putuint16, lwres_buffer_getuint32, lwres_buffer_putuint32, lwres_buffer_putmem, lwres_buffer_getmem — lightweight resolver buffer management
    
@@ -262,7 +262,7 @@ void
 
    
 
    
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    
       These functions provide bounds checked access to a region of memory
       where data is being read or written.
diff --git a/lib/lwres/man/lwres_config.3 b/lib/lwres/man/lwres_config.3
index 5b8a728..0ea1320 100644
--- a/lib/lwres/man/lwres_config.3
+++ b/lib/lwres/man/lwres_config.3
@@ -13,7 +13,7 @@
 .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 .\" PERFORMANCE OF THIS SOFTWARE.
 .\"
-.\" $Id: lwres_config.3,v 1.26.418.1 2009-07-11 01:55:21 tbox Exp $
+.\" $Id: lwres_config.3,v 1.27 2009-07-11 01:12:46 tbox Exp $
 .\"
 .hy 0
 .ad l
diff --git a/lib/lwres/man/lwres_config.html b/lib/lwres/man/lwres_config.html
index 2cee5ef..8c330a3 100644
--- a/lib/lwres/man/lwres_config.html
+++ b/lib/lwres/man/lwres_config.html
@@ -14,7 +14,7 @@
  - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  - PERFORMANCE OF THIS SOFTWARE.
 -->
-
+
 
 
 
@@ -22,7 +22,7 @@
 
 
 
    
-
    
+
    
 
    
 
    Name
    
 
    lwres_conf_init, lwres_conf_clear, lwres_conf_parse, lwres_conf_print, lwres_conf_get — lightweight resolver configuration
    
@@ -90,7 +90,7 @@ lwres_conf_t *
 
    
 
    
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    lwres_conf_init()
       creates an empty
       lwres_conf_t
@@ -123,7 +123,7 @@ lwres_conf_t *
     
    
 
    
 
    
-
    RETURN VALUES
    
+
    RETURN VALUES
    
 
    lwres_conf_parse()
       returns LWRES_R_SUCCESS
       if it successfully read and parsed
@@ -142,13 +142,13 @@ lwres_conf_t *
     
    
 
    
 
    
-
    SEE ALSO
    
+
    SEE ALSO
    
 
    stdio(3),
       resolver(5).
     
    
 
    
 
    
-
    FILES
    
+
    FILES
    
 
    /etc/resolv.conf
     
    
 
    
diff --git a/lib/lwres/man/lwres_context.3 b/lib/lwres/man/lwres_context.3
index a96a075..fdcaf55 100644
--- a/lib/lwres/man/lwres_context.3
+++ b/lib/lwres/man/lwres_context.3
@@ -13,7 +13,7 @@
 .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 .\" PERFORMANCE OF THIS SOFTWARE.
 .\"
-.\" $Id: lwres_context.3,v 1.28.418.1 2009-07-11 01:55:21 tbox Exp $
+.\" $Id: lwres_context.3,v 1.29 2009-07-11 01:12:46 tbox Exp $
 .\"
 .hy 0
 .ad l
diff --git a/lib/lwres/man/lwres_context.html b/lib/lwres/man/lwres_context.html
index d525a4b..50d5d9f 100644
--- a/lib/lwres/man/lwres_context.html
+++ b/lib/lwres/man/lwres_context.html
@@ -14,7 +14,7 @@
  - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  - PERFORMANCE OF THIS SOFTWARE.
 -->
-
+
 
 
 
@@ -22,7 +22,7 @@
 
 
 
    
-
    
+
    
 
    
 
    Name
    
 
    lwres_context_create, lwres_context_destroy, lwres_context_nextserial, lwres_context_initserial, lwres_context_freemem, lwres_context_allocmem, lwres_context_sendrecv — lightweight resolver context management
    
@@ -172,7 +172,7 @@ void *
 
    
 
    
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    lwres_context_create()
       creates a lwres_context_t structure for use in
       lightweight resolver operations.  It holds a socket and other
@@ -258,7 +258,7 @@ void *
     
    
 
    
 
    
-
    RETURN VALUES
    
+
    RETURN VALUES
    
 
    lwres_context_create()
       returns LWRES_R_NOMEMORY if memory for
       the struct lwres_context could not be allocated,
@@ -283,7 +283,7 @@ void *
     
    
 
    
 
    
-
    SEE ALSO
    
+
    SEE ALSO
    
 
    lwres_conf_init(3),
 
       malloc(3),
diff --git a/lib/lwres/man/lwres_gabn.3 b/lib/lwres/man/lwres_gabn.3
index 28ea7e1..769c952 100644
--- a/lib/lwres/man/lwres_gabn.3
+++ b/lib/lwres/man/lwres_gabn.3
@@ -13,7 +13,7 @@
 .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 .\" PERFORMANCE OF THIS SOFTWARE.
 .\"
-.\" $Id: lwres_gabn.3,v 1.27.418.1 2009-07-11 01:55:21 tbox Exp $
+.\" $Id: lwres_gabn.3,v 1.28 2009-07-11 01:12:46 tbox Exp $
 .\"
 .hy 0
 .ad l
diff --git a/lib/lwres/man/lwres_gabn.html b/lib/lwres/man/lwres_gabn.html
index b69f432..32b5f21 100644
--- a/lib/lwres/man/lwres_gabn.html
+++ b/lib/lwres/man/lwres_gabn.html
@@ -14,7 +14,7 @@
  - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  - PERFORMANCE OF THIS SOFTWARE.
 -->
-
+
 
 
 
@@ -22,7 +22,7 @@
 
 
 
    
-
    
+
    
 
    
 
    Name
    
 
    lwres_gabnrequest_render, lwres_gabnresponse_render, lwres_gabnrequest_parse, lwres_gabnresponse_parse, lwres_gabnresponse_free, lwres_gabnrequest_free — lightweight resolver getaddrbyname message handling
    
@@ -178,7 +178,7 @@ void
 
    
 
    
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    
       These are low-level routines for creating and parsing
       lightweight resolver name-to-address lookup request and
@@ -278,7 +278,7 @@ typedef struct {
     
    
 
    
 
    
-
    RETURN VALUES
    
+
    RETURN VALUES
    
 
    
       The getaddrbyname opcode functions
       lwres_gabnrequest_render(),
@@ -316,7 +316,7 @@ typedef struct {
     
    
 
    
 
    
-
    SEE ALSO
    
+
    SEE ALSO
    
 
    lwres_packet(3)
     
    
 
    
diff --git a/lib/lwres/man/lwres_gai_strerror.3 b/lib/lwres/man/lwres_gai_strerror.3
index 3d80727..2527896 100644
--- a/lib/lwres/man/lwres_gai_strerror.3
+++ b/lib/lwres/man/lwres_gai_strerror.3
@@ -13,7 +13,7 @@
 .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 .\" PERFORMANCE OF THIS SOFTWARE.
 .\"
-.\" $Id: lwres_gai_strerror.3,v 1.27.418.1 2009-07-11 01:55:21 tbox Exp $
+.\" $Id: lwres_gai_strerror.3,v 1.28 2009-07-11 01:12:46 tbox Exp $
 .\"
 .hy 0
 .ad l
diff --git a/lib/lwres/man/lwres_gai_strerror.html b/lib/lwres/man/lwres_gai_strerror.html
index 616eebe..9ff330b 100644
--- a/lib/lwres/man/lwres_gai_strerror.html
+++ b/lib/lwres/man/lwres_gai_strerror.html
@@ -14,7 +14,7 @@
  - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  - PERFORMANCE OF THIS SOFTWARE.
 -->
-
+
 
 
 
@@ -22,7 +22,7 @@
 
 
 
    
-
    
+
    
 
    
 
    Name
    
 
    lwres_gai_strerror — print suitable error string
    
@@ -42,7 +42,7 @@ char *
 
    
 
    
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    lwres_gai_strerror()
       returns an error message corresponding to an error code returned by
       getaddrinfo().
@@ -110,7 +110,7 @@ char *
     
    
 
    
 
    
-
    SEE ALSO
    
+
    SEE ALSO
    
 
    strerror(3),
 
       lwres_getaddrinfo(3),
diff --git a/lib/lwres/man/lwres_getaddrinfo.3 b/lib/lwres/man/lwres_getaddrinfo.3
index 2953f3b..cfc4aec 100644
--- a/lib/lwres/man/lwres_getaddrinfo.3
+++ b/lib/lwres/man/lwres_getaddrinfo.3
@@ -13,7 +13,7 @@
 .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 .\" PERFORMANCE OF THIS SOFTWARE.
 .\"
-.\" $Id: lwres_getaddrinfo.3,v 1.31.418.1 2009-07-11 01:55:21 tbox Exp $
+.\" $Id: lwres_getaddrinfo.3,v 1.32 2009-07-11 01:12:46 tbox Exp $
 .\"
 .hy 0
 .ad l
diff --git a/lib/lwres/man/lwres_getaddrinfo.html b/lib/lwres/man/lwres_getaddrinfo.html
index 013e878..d367f51 100644
--- a/lib/lwres/man/lwres_getaddrinfo.html
+++ b/lib/lwres/man/lwres_getaddrinfo.html
@@ -14,7 +14,7 @@
  - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  - PERFORMANCE OF THIS SOFTWARE.
 -->
-
+
 
 
 
@@ -22,7 +22,7 @@
 
 
 
    
-
    
+
    
 
    
 
    Name
    
 
    lwres_getaddrinfo, lwres_freeaddrinfo — socket address structure to host and service name
    
@@ -89,7 +89,7 @@ struct  addrinfo {
     
    
 
    
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    lwres_getaddrinfo()
       is used to get a list of IP addresses and port numbers for host
       hostname and service
@@ -283,7 +283,7 @@ struct  addrinfo {
     
    
 
    
 
    
-
    RETURN VALUES
    
+
    RETURN VALUES
    
 
    lwres_getaddrinfo()
       returns zero on success or one of the error codes listed in
       gai_strerror(3)
@@ -294,7 +294,7 @@ struct  addrinfo {
     
    
 
    
 
    
-
    SEE ALSO
    
+
    SEE ALSO
    
 
    lwres(3),
 
       lwres_getaddrinfo(3),
diff --git a/lib/lwres/man/lwres_gethostent.3 b/lib/lwres/man/lwres_gethostent.3
index 35ea1c2..7acc506 100644
--- a/lib/lwres/man/lwres_gethostent.3
+++ b/lib/lwres/man/lwres_gethostent.3
@@ -13,7 +13,7 @@
 .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 .\" PERFORMANCE OF THIS SOFTWARE.
 .\"
-.\" $Id: lwres_gethostent.3,v 1.29.418.1 2009-07-11 01:55:21 tbox Exp $
+.\" $Id: lwres_gethostent.3,v 1.30 2009-07-11 01:12:46 tbox Exp $
 .\"
 .hy 0
 .ad l
diff --git a/lib/lwres/man/lwres_gethostent.html b/lib/lwres/man/lwres_gethostent.html
index fd27dcf..fdaa062 100644
--- a/lib/lwres/man/lwres_gethostent.html
+++ b/lib/lwres/man/lwres_gethostent.html
@@ -14,7 +14,7 @@
  - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  - PERFORMANCE OF THIS SOFTWARE.
 -->
-
+
 
 
 
@@ -22,7 +22,7 @@
 
 
 
    
-
    
+
    
 
    
 
    Name
    
 
    lwres_gethostbyname, lwres_gethostbyname2, lwres_gethostbyaddr, lwres_gethostent, lwres_sethostent, lwres_endhostent, lwres_gethostbyname_r, lwres_gethostbyaddr_r, lwres_gethostent_r, lwres_sethostent_r, lwres_endhostent_r — lightweight resolver get network host entry
    
@@ -228,7 +228,7 @@ void
 
    
 
    
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    
       These functions provide hostname-to-address and
       address-to-hostname lookups by means of the lightweight resolver.
@@ -366,7 +366,7 @@ struct  hostent {
     
    
 
    
 
    
-
    RETURN VALUES
    
+
    RETURN VALUES
    
 
    
       The functions
       lwres_gethostbyname(),
@@ -430,7 +430,7 @@ struct  hostent {
     
    
 
    
 
    
-
    SEE ALSO
    
+
    SEE ALSO
    
 
    gethostent(3),
 
       lwres_getipnode(3),
@@ -439,7 +439,7 @@ struct  hostent {
     
    
 
    
 
    
-
    BUGS
    
+
    BUGS
    
 
    lwres_gethostbyname(),
       lwres_gethostbyname2(),
       lwres_gethostbyaddr()
diff --git a/lib/lwres/man/lwres_getipnode.3 b/lib/lwres/man/lwres_getipnode.3
index b46e78f..40ba59c 100644
--- a/lib/lwres/man/lwres_getipnode.3
+++ b/lib/lwres/man/lwres_getipnode.3
@@ -13,7 +13,7 @@
 .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 .\" PERFORMANCE OF THIS SOFTWARE.
 .\"
-.\" $Id: lwres_getipnode.3,v 1.28.418.1 2009-07-11 01:55:21 tbox Exp $
+.\" $Id: lwres_getipnode.3,v 1.29 2009-07-11 01:12:46 tbox Exp $
 .\"
 .hy 0
 .ad l
diff --git a/lib/lwres/man/lwres_getipnode.html b/lib/lwres/man/lwres_getipnode.html
index 20c6d30..9f54cb6 100644
--- a/lib/lwres/man/lwres_getipnode.html
+++ b/lib/lwres/man/lwres_getipnode.html
@@ -14,7 +14,7 @@
  - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  - PERFORMANCE OF THIS SOFTWARE.
 -->
-
+
 
 
 
@@ -22,7 +22,7 @@
 
 
 
    
-
    
+
    
 
    
 
    Name
    
 
    lwres_getipnodebyname, lwres_getipnodebyaddr, lwres_freehostent — lightweight resolver nodename / address translation API
    
@@ -98,7 +98,7 @@ void
 
    
 
    
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    
       These functions perform thread safe, protocol independent
       nodename-to-address and address-to-nodename
@@ -217,7 +217,7 @@ struct  hostent {
     
    
 
    
 
    
-
    RETURN VALUES
    
+
    RETURN VALUES
    
 
    
       If an error occurs,
       lwres_getipnodebyname()
@@ -261,7 +261,7 @@ struct  hostent {
     
    
 
    
 
    
-
    SEE ALSO
    
+
    SEE ALSO
    
 
    RFC2553,
 
       lwres(3),
diff --git a/lib/lwres/man/lwres_getnameinfo.3 b/lib/lwres/man/lwres_getnameinfo.3
index 3a75efb..5674fb2 100644
--- a/lib/lwres/man/lwres_getnameinfo.3
+++ b/lib/lwres/man/lwres_getnameinfo.3
@@ -13,7 +13,7 @@
 .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 .\" PERFORMANCE OF THIS SOFTWARE.
 .\"
-.\" $Id: lwres_getnameinfo.3,v 1.29.418.1 2009-07-11 01:55:21 tbox Exp $
+.\" $Id: lwres_getnameinfo.3,v 1.30 2009-07-11 01:12:46 tbox Exp $
 .\"
 .hy 0
 .ad l
diff --git a/lib/lwres/man/lwres_getnameinfo.html b/lib/lwres/man/lwres_getnameinfo.html
index fb7837f..1048543 100644
--- a/lib/lwres/man/lwres_getnameinfo.html
+++ b/lib/lwres/man/lwres_getnameinfo.html
@@ -14,7 +14,7 @@
  - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  - PERFORMANCE OF THIS SOFTWARE.
 -->
-
+
 
 
 
@@ -22,7 +22,7 @@
 
 
 
    
-
    
+
    
 
    
 
    Name
    
 
    lwres_getnameinfo — lightweight resolver socket address structure to hostname and
@@ -82,7 +82,7 @@ int
 
    
 
    
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    
        This function is equivalent to the
       getnameinfo(3) function defined in RFC2133.
@@ -149,13 +149,13 @@ int
     
    
 
    
 
    
-
    RETURN VALUES
    
+
    RETURN VALUES
    
 
    lwres_getnameinfo()
       returns 0 on success or a non-zero error code if an error occurs.
     
    
 
    
 
    
-
    SEE ALSO
    
+
    SEE ALSO
    
 
    RFC2133,
       getservbyport(3),
       lwres(3),
@@ -165,7 +165,7 @@ int
     
    
 
    
 
    
-
    BUGS
    
+
    BUGS
    
 
    
       RFC2133 fails to define what the nonzero return values of
       getnameinfo(3)
diff --git a/lib/lwres/man/lwres_getrrsetbyname.3 b/lib/lwres/man/lwres_getrrsetbyname.3
index c804e11..2aa1a9c 100644
--- a/lib/lwres/man/lwres_getrrsetbyname.3
+++ b/lib/lwres/man/lwres_getrrsetbyname.3
@@ -13,7 +13,7 @@
 .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 .\" PERFORMANCE OF THIS SOFTWARE.
 .\"
-.\" $Id: lwres_getrrsetbyname.3,v 1.25.418.1 2009-07-11 01:55:21 tbox Exp $
+.\" $Id: lwres_getrrsetbyname.3,v 1.26 2009-07-11 01:12:46 tbox Exp $
 .\"
 .hy 0
 .ad l
diff --git a/lib/lwres/man/lwres_getrrsetbyname.html b/lib/lwres/man/lwres_getrrsetbyname.html
index 9d9dc04..3a7fb9f 100644
--- a/lib/lwres/man/lwres_getrrsetbyname.html
+++ b/lib/lwres/man/lwres_getrrsetbyname.html
@@ -14,7 +14,7 @@
  - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  - PERFORMANCE OF THIS SOFTWARE.
 -->
-
+
 
 
 
@@ -22,7 +22,7 @@
 
 
 
    
-
    
+
    
 
    
 
    Name
    
 
    lwres_getrrsetbyname, lwres_freerrset — retrieve DNS records
    
@@ -102,7 +102,7 @@ struct  rrsetinfo {
     
    
 
    
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    lwres_getrrsetbyname()
       gets a set of resource records associated with a
       hostname, class,
@@ -150,7 +150,7 @@ struct  rrsetinfo {
 
    
 
    
 
    
-
    RETURN VALUES
    
+
    RETURN VALUES
    
 
    lwres_getrrsetbyname()
       returns zero on success, and one of the following error codes if
       an error occurred:
@@ -184,7 +184,7 @@ struct  rrsetinfo {
     
    
 
    
 
    
-
    SEE ALSO
    
+
    SEE ALSO
    
 
    lwres(3).
     
    
 
    
diff --git a/lib/lwres/man/lwres_gnba.3 b/lib/lwres/man/lwres_gnba.3
index b34fc05..ad9d627 100644
--- a/lib/lwres/man/lwres_gnba.3
+++ b/lib/lwres/man/lwres_gnba.3
@@ -13,7 +13,7 @@
 .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 .\" PERFORMANCE OF THIS SOFTWARE.
 .\"
-.\" $Id: lwres_gnba.3,v 1.27.418.1 2009-07-11 01:55:21 tbox Exp $
+.\" $Id: lwres_gnba.3,v 1.28 2009-07-11 01:12:46 tbox Exp $
 .\"
 .hy 0
 .ad l
diff --git a/lib/lwres/man/lwres_gnba.html b/lib/lwres/man/lwres_gnba.html
index 158f4d0..8c7691e 100644
--- a/lib/lwres/man/lwres_gnba.html
+++ b/lib/lwres/man/lwres_gnba.html
@@ -14,7 +14,7 @@
  - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  - PERFORMANCE OF THIS SOFTWARE.
 -->
-
+
 
 
 
@@ -22,7 +22,7 @@
 
 
 
    
-
    
+
    
 
    
 
    Name
    
 
    lwres_gnbarequest_render, lwres_gnbaresponse_render, lwres_gnbarequest_parse, lwres_gnbaresponse_parse, lwres_gnbaresponse_free, lwres_gnbarequest_free — lightweight resolver getnamebyaddress message handling
    
@@ -183,7 +183,7 @@ void
 
    
 
    
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    
       These are low-level routines for creating and parsing
       lightweight resolver address-to-name lookup request and
@@ -270,7 +270,7 @@ typedef struct {
     
    
 
    
 
    
-
    RETURN VALUES
    
+
    RETURN VALUES
    
 
    
       The getnamebyaddr opcode functions
       lwres_gnbarequest_render(),
@@ -308,7 +308,7 @@ typedef struct {
     
    
 
    
 
    
-
    SEE ALSO
    
+
    SEE ALSO
    
 
    lwres_packet(3).
     
    
 
    
diff --git a/lib/lwres/man/lwres_hstrerror.3 b/lib/lwres/man/lwres_hstrerror.3
index f65ba54..b9d5316 100644
--- a/lib/lwres/man/lwres_hstrerror.3
+++ b/lib/lwres/man/lwres_hstrerror.3
@@ -13,7 +13,7 @@
 .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 .\" PERFORMANCE OF THIS SOFTWARE.
 .\"
-.\" $Id: lwres_hstrerror.3,v 1.27.418.1 2009-07-11 01:55:21 tbox Exp $
+.\" $Id: lwres_hstrerror.3,v 1.28 2009-07-11 01:12:46 tbox Exp $
 .\"
 .hy 0
 .ad l
diff --git a/lib/lwres/man/lwres_hstrerror.html b/lib/lwres/man/lwres_hstrerror.html
index d5d25ec..df1c425 100644
--- a/lib/lwres/man/lwres_hstrerror.html
+++ b/lib/lwres/man/lwres_hstrerror.html
@@ -14,7 +14,7 @@
  - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  - PERFORMANCE OF THIS SOFTWARE.
 -->
-
+
 
 
 
@@ -22,7 +22,7 @@
 
 
 
    
-
    
+
    
 
    
 
    Name
    
 
    lwres_herror, lwres_hstrerror — lightweight resolver error message generation
    
@@ -50,7 +50,7 @@ const char *
 
    
 
    
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    lwres_herror()
       prints the string s on
       stderr followed by the string generated by
@@ -84,7 +84,7 @@ const char *
     
    
 
    
 
    
-
    RETURN VALUES
    
+
    RETURN VALUES
    
 
    
       The string Unknown resolver error is returned by
       lwres_hstrerror()
@@ -94,7 +94,7 @@ const char *
     
    
 
    
 
    
-
    SEE ALSO
    
+
    SEE ALSO
    
 
    herror(3),
 
       lwres_hstrerror(3).
diff --git a/lib/lwres/man/lwres_inetntop.3 b/lib/lwres/man/lwres_inetntop.3
index 6bd063a..be85906 100644
--- a/lib/lwres/man/lwres_inetntop.3
+++ b/lib/lwres/man/lwres_inetntop.3
@@ -13,7 +13,7 @@
 .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 .\" PERFORMANCE OF THIS SOFTWARE.
 .\"
-.\" $Id: lwres_inetntop.3,v 1.26.418.1 2009-07-11 01:55:21 tbox Exp $
+.\" $Id: lwres_inetntop.3,v 1.27 2009-07-11 01:12:46 tbox Exp $
 .\"
 .hy 0
 .ad l
diff --git a/lib/lwres/man/lwres_inetntop.html b/lib/lwres/man/lwres_inetntop.html
index 8467e4b..f0ea41a 100644
--- a/lib/lwres/man/lwres_inetntop.html
+++ b/lib/lwres/man/lwres_inetntop.html
@@ -14,7 +14,7 @@
  - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  - PERFORMANCE OF THIS SOFTWARE.
 -->
-
+
 
 
 
@@ -22,7 +22,7 @@
 
 
 
    
-
    
+
    
 
    
 
    Name
    
 
    lwres_net_ntop — lightweight resolver IP address presentation
    
@@ -62,7 +62,7 @@ const char *
 
    
 
    
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    lwres_net_ntop()
       converts an IP address of protocol family
       af — IPv4 or IPv6 — at
@@ -80,7 +80,7 @@ const char *
     
    
 
    
 
    
-
    RETURN VALUES
    
+
    RETURN VALUES
    
 
    
       If successful, the function returns dst:
       a pointer to a string containing the presentation format of the
@@ -93,7 +93,7 @@ const char *
     
    
 
    
 
    
-
    SEE ALSO
    
+
    SEE ALSO
    
 
    RFC1884,
       inet_ntop(3),
       errno(3).
diff --git a/lib/lwres/man/lwres_noop.3 b/lib/lwres/man/lwres_noop.3
index fd05e7e..3be40b2 100644
--- a/lib/lwres/man/lwres_noop.3
+++ b/lib/lwres/man/lwres_noop.3
@@ -13,7 +13,7 @@
 .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 .\" PERFORMANCE OF THIS SOFTWARE.
 .\"
-.\" $Id: lwres_noop.3,v 1.28.418.1 2009-07-11 01:55:21 tbox Exp $
+.\" $Id: lwres_noop.3,v 1.29 2009-07-11 01:12:46 tbox Exp $
 .\"
 .hy 0
 .ad l
diff --git a/lib/lwres/man/lwres_noop.html b/lib/lwres/man/lwres_noop.html
index 4a94836..8f9d402 100644
--- a/lib/lwres/man/lwres_noop.html
+++ b/lib/lwres/man/lwres_noop.html
@@ -14,7 +14,7 @@
  - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  - PERFORMANCE OF THIS SOFTWARE.
 -->
-
+
 
 
 
@@ -22,7 +22,7 @@
 
 
 
    
-
    
+
    
 
    
 
    Name
    
 
    lwres_nooprequest_render, lwres_noopresponse_render, lwres_nooprequest_parse, lwres_noopresponse_parse, lwres_noopresponse_free, lwres_nooprequest_free — lightweight resolver no-op message handling
    
@@ -179,7 +179,7 @@ void
 
    
 
    
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    
       These are low-level routines for creating and parsing
       lightweight resolver no-op request and response messages.
@@ -270,7 +270,7 @@ typedef struct {
     
    
 
    
 
    
-
    RETURN VALUES
    
+
    RETURN VALUES
    
 
    
       The no-op opcode functions
       lwres_nooprequest_render(),
@@ -309,7 +309,7 @@ typedef struct {
     
    
 
    
 
    
-
    SEE ALSO
    
+
    SEE ALSO
    
 
    lwres_packet(3)
     
    
 
    
diff --git a/lib/lwres/man/lwres_packet.3 b/lib/lwres/man/lwres_packet.3
index 5c096b5..ad4a82c 100644
--- a/lib/lwres/man/lwres_packet.3
+++ b/lib/lwres/man/lwres_packet.3
@@ -13,7 +13,7 @@
 .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 .\" PERFORMANCE OF THIS SOFTWARE.
 .\"
-.\" $Id: lwres_packet.3,v 1.29.418.1 2009-07-11 01:55:21 tbox Exp $
+.\" $Id: lwres_packet.3,v 1.30 2009-07-11 01:12:46 tbox Exp $
 .\"
 .hy 0
 .ad l
diff --git a/lib/lwres/man/lwres_packet.html b/lib/lwres/man/lwres_packet.html
index 096b4bb..84eafc1 100644
--- a/lib/lwres/man/lwres_packet.html
+++ b/lib/lwres/man/lwres_packet.html
@@ -14,7 +14,7 @@
  - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  - PERFORMANCE OF THIS SOFTWARE.
 -->
-
+
 
 
 
@@ -22,7 +22,7 @@
 
 
 
    
-
    
+
    
 
    
 
    Name
    
 
    lwres_lwpacket_renderheader, lwres_lwpacket_parseheader — lightweight resolver packet handling functions
    
@@ -66,7 +66,7 @@ lwres_result_t
 
    
 
    
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    
       These functions rely on a
       struct lwres_lwpacket
@@ -219,7 +219,7 @@ struct lwres_lwpacket {
     
    
 
    
 
    
-
    RETURN VALUES
    
+
    RETURN VALUES
    
 
    
       Successful calls to
       lwres_lwpacket_renderheader() and
diff --git a/lib/lwres/man/lwres_resutil.3 b/lib/lwres/man/lwres_resutil.3
index 6e17797..04cad4e 100644
--- a/lib/lwres/man/lwres_resutil.3
+++ b/lib/lwres/man/lwres_resutil.3
@@ -13,7 +13,7 @@
 .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 .\" PERFORMANCE OF THIS SOFTWARE.
 .\"
-.\" $Id: lwres_resutil.3,v 1.28.418.1 2009-07-11 01:55:21 tbox Exp $
+.\" $Id: lwres_resutil.3,v 1.29 2009-07-11 01:12:46 tbox Exp $
 .\"
 .hy 0
 .ad l
diff --git a/lib/lwres/man/lwres_resutil.html b/lib/lwres/man/lwres_resutil.html
index 1d2aa76..b4de764 100644
--- a/lib/lwres/man/lwres_resutil.html
+++ b/lib/lwres/man/lwres_resutil.html
@@ -14,7 +14,7 @@
  - OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  - PERFORMANCE OF THIS SOFTWARE.
 -->
-
+
 
 
 
@@ -22,7 +22,7 @@
 
 
 
    
-
    
+
    
 
    
 
    Name
    
 
    lwres_string_parse, lwres_addr_parse, lwres_getaddrsbyname, lwres_getnamebyaddr — lightweight resolver utility functions
    
@@ -134,7 +134,7 @@ lwres_result_t
 
    
 
    
 
    
-
    DESCRIPTION
    
+
    DESCRIPTION
    
 
    lwres_string_parse()
       retrieves a DNS-encoded string starting the current pointer of
       lightweight resolver buffer b: i.e.
@@ -210,7 +210,7 @@ typedef struct {
     
    
 
    
 
    
-
    RETURN VALUES
    
+
    RETURN VALUES
    
 
    
       Successful calls to
       lwres_string_parse()
@@ -248,7 +248,7 @@ typedef struct {
     
    
 
    
 
    
-
    SEE ALSO
    
+
    SEE ALSO
    
 
    lwres_buffer(3),
 
       lwres_gabn(3).
diff --git a/lib/lwres/print_p.h b/lib/lwres/print_p.h
index e2f6ad6..ed71535 100644
--- a/lib/lwres/print_p.h
+++ b/lib/lwres/print_p.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: print_p.h,v 1.4.332.2 2010-08-16 23:45:48 tbox Exp $ */
+/* $Id: print_p.h,v 1.6 2010-08-16 23:46:52 tbox Exp $ */
 
 #ifndef LWRES_PRINT_P_H
 #define LWRES_PRINT_P_H 1
diff --git a/make/rules.in b/make/rules.in
index d848480..12c9d5f 100644
--- a/make/rules.in
+++ b/make/rules.in
@@ -13,7 +13,7 @@
 # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 # PERFORMANCE OF THIS SOFTWARE.
 
-# $Id: rules.in,v 1.64.130.2 2009-01-10 23:46:57 tbox Exp $
+# $Id: rules.in,v 1.68 2009-09-01 18:40:25 jinmei Exp $
 
 ###
 ### Common Makefile rules for BIND 9.
@@ -35,6 +35,8 @@ sysconfdir =	@sysconfdir@
 localstatedir =	@localstatedir@
 mandir =	@mandir@
 datarootdir =   @datarootdir@
+export_libdir =	@export_libdir@
+export_includedir = @export_includedir@
 
 DESTDIR =
 
@@ -122,7 +124,7 @@ ALL_CPPFLAGS = \
 ALL_CFLAGS = ${EXT_CFLAGS} ${ALL_CPPFLAGS} ${CFLAGS} \
 	${ALWAYS_WARNINGS} ${STD_CWARNINGS} ${CWARNINGS}
 
-.c.@O@:
+@BIND9_CO_RULE@
 	${LIBTOOL_MODE_COMPILE} ${CC} ${ALL_CFLAGS} -c $<
 
 SHELL = @SHELL@
@@ -134,12 +136,83 @@ PURIFY = @PURIFY@
 
 MKDEP = ${SHELL} ${top_builddir}/make/mkdep
 
+###
+### This is a template compound command to build an executable binary with
+### an internal symbol table.
+### This process is tricky.  We first link all objects including a tentative
+### empty symbol table, then get a tentative list of symbols from the resulting
+### binary ($@tmp0).  Next, we re-link all objects, but this time with the
+### symbol table just created ($tmp@1).  The set of symbols should be the same,
+### but the corresponding addresses would be changed due to the difference on
+### the size of symbol tables.  So we create the symbol table and re-create the
+### objects once again.  Finally, we check the symbol table embedded in the
+### final binaryis consistent with the binary itself; otherwise the process is
+### terminated.
+###
+### To minimize the overhead of creating symbol tables, the autoconf switch
+### --enable-symtable takes an argument so that the symbol table can be created
+### on a per application basis: unless the argument is set to "all", the symbol
+### table is created only when a shell (environment) variable "MAKE_SYMTABLE" is
+### set to a non-null value in the rule to build the executable binary.
+###
+### Each Makefile.in that uses this macro is expected to define "LIBS" and
+### "NOSYMLIBS"; the former includes libisc with an empty symbol table, and
+### the latter includes libisc without the definition of a symbol table.
+### The rule to make the executable binary will look like this
+### binary@EXEEXT@: ${OBJS}
+###     #export MAKE_SYMTABLE="yes"; \  <- enable if symtable is always needed
+###	export BASEOBJS="${OBJS}"; \
+###	${FINALBUILDCMD}
+###
+### Normally, ${LIBS} includes all necessary libraries to build the binary;
+### there are some exceptions however, where the rule lists some of the
+### necessary libraries explicitly in addition to (or instead of) ${LIBS},
+### like this:
+### binary@EXEEXT@: ${OBJS}
+###     cc -o $@ ${OBJS} ${OTHERLIB1} ${OTHERLIB2} ${lIBS}
+### in order to modify such a rule to use this compound command, a separate
+### variable "LIBS0" should be deinfed for the explicitly listed libraries,
+### while making sure ${LIBS} still includes libisc.  So the above rule would
+### be modified as follows:
+### binary@EXEEXT@: ${OBJS}
+###	export BASEOBJS="${OBJS}"; \
+###	export LIBS0="${OTHERLIB1} ${OTHERLIB2}"; \
+###     ${FINALBUILDCMD}
+### See bin/check/Makefile.in for a complete example of the use of LIBS0.
+###
+FINALBUILDCMD = if [ X"${MKSYMTBL_PROGRAM}" = X -o X"$${MAKE_SYMTABLE:-${ALWAYS_MAKE_SYMTABLE}}" = X ] ; then \
+		${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} \
+		-o $@ $${BASEOBJS} $${LIBS0} ${LIBS}; \
+	else \
+		rm -f $@tmp0; \
+		${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} \
+		-o $@tmp0 $${BASEOBJS} $${LIBS0} ${LIBS} || exit 1; \
+		rm -f $@-symtbl.c $@-symtbl.@O@; \
+		${MKSYMTBL_PROGRAM} ${top_srcdir}/util/mksymtbl.pl \
+		-o $@-symtbl.c $@tmp0 || exit 1; \
+		$(MAKE) $@-symtbl.@O@ || exit 1; \
+		rm -f $@tmp1; \
+		${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} \
+		-o $@tmp1 $${BASEOBJS} $@-symtbl.@O@ $${LIBS0} ${NOSYMLIBS} || exit 1; \
+		rm -f $@-symtbl.c $@-symtbl.@O@; \
+		${MKSYMTBL_PROGRAM} ${top_srcdir}/util/mksymtbl.pl \
+		-o $@-symtbl.c $@tmp1 || exit 1; \
+		$(MAKE) $@-symtbl.@O@ || exit 1; \
+		${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} \
+		-o $@tmp2 $${BASEOBJS} $@-symtbl.@O@ $${LIBS0} ${NOSYMLIBS}; \
+		${MKSYMTBL_PROGRAM} ${top_srcdir}/util/mksymtbl.pl \
+		-o $@-symtbl2.c $@tmp2; \
+		diff $@-symtbl.c $@-symtbl2.c || exit 1;\
+		mv $@tmp2 $@; \
+		rm -f $@tmp0 $@tmp1 $@tmp2 $@-symtbl2.c; \
+	fi
+
 cleandir: distclean
 superclean: maintainer-clean
 
 clean distclean maintainer-clean::
-	rm -f *.@O@ *.o *.lo *.la core *.core .depend
-	rm -rf .libs
+	rm -f *.@O@ *.o *.lo *.la core *.core *-symtbl.c *tmp0 *tmp1 *tmp2
+	rm -rf .depend .libs
 
 distclean maintainer-clean::
 	rm -f Makefile
@@ -217,6 +290,16 @@ PDFLATEX =		@PDFLATEX@
 W3M =			@W3M@
 
 ###
+### Script language program used to create internal symbol tables
+###
+MKSYMTBL_PROGRAM =	@MKSYMTBL_PROGRAM@
+
+###
+### Switch to create internal symbol table selectively
+###
+ALWAYS_MAKE_SYMTABLE =	@ALWAYS_MAKE_SYMTABLE@
+
+###
 ### DocBook -> HTML
 ### DocBook -> man page
 ###
diff --git a/version b/version
index e6bfe44..1d9fbd2 100644
--- a/version
+++ b/version
@@ -1,10 +1,10 @@
-# $Id: version,v 1.43.12.11.2.2.2.3 2011-06-21 20:35:59 each Exp $
+# $Id: version,v 1.53.8.2.2.4 2011-06-21 20:44:01 each Exp $
 # 
 # This file must follow /bin/sh rules.  It is imported directly via
 # configure.
 #
 MAJORVER=9
-MINORVER=6
-PATCHVER=
-RELEASETYPE=-ESV
-RELEASEVER=-R4-P3
+MINORVER=8
+PATCHVER=0
+RELEASETYPE=-P
+RELEASEVER=4
-- 
cgit v1.1