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* Allocate 64K recieve buffer for DNS responses.ume2002-10-031-13/+26
| | | | | Though res_query.c also defines and refers MAXPACKET, it is not related to ansbuf. So, I didn't touch res_query.c.
* Check for truncation in calls to res_send/res_query/res_search.nectar2002-09-151-2/+6
| | | | Fail when it is detected.
* Backout the increase of MAXPACKET from 1024 to 65536: itnectar2002-09-151-1/+5
| | | | | | broke pthreads. Reported by: mbr, tjr
* When using res_send/res_query/res_search, the caller must eithernectar2002-09-131-5/+1
| | | | | | | | | insure enough space is available for the response, or be prepared to resize the buffer and retry as necessary. Do the conservative thing and make sure enough space is available. Reviewed by: silence on freebsd-audit
* Remove two stray lines that snuck in the cvs mergeimp2002-06-261-1/+0
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* Include more robust checking of end of buffer that more completelyimp2002-06-261-24/+15
| | | | plugs the hole.
* Fix a minor last, minute issue that came in after I committed.imp2002-06-261-1/+1
| | | | Noticed by: nectar
* Avoid remote buffer overflow on hostbuf[].imp2002-06-261-0/+1
| | | | Submitted by: joost Pol <joost@pine.nl>
* Fix the style of the SCM ID's.obrien2002-03-221-1/+2
| | | | I believe have made all of libc .c's as consistent as possible.
* Remove __P() usage.obrien2002-03-211-2/+2
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* Remove 'register' keyword.obrien2002-03-211-7/+7
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* Mark some functions as __printflike() and/or taking const char * argumentskris2001-08-201-0/+4
| | | | | | instead of char *. MFC after: 2 weeks
* Add nsswitch support. By creating an /etc/nsswitch.conf file, you cannectar2000-09-061-24/+41
| | | | | | | | | | | | | | | | | | | | | | | | | | configure FreeBSD so that various databases such as passwd and group can be looked up using flat files, NIS, or Hesiod. = Hesiod has been added to libc (see hesiod(3)). = A library routine for parsing nsswitch.conf and invoking callback functions as specified has been added to libc (see nsdispatch(3)). = The following C library functions have been modified to use nsdispatch: . getgrent, getgrnam, getgrgid . getpwent, getpwnam, getpwuid . getusershell . getaddrinfo . gethostbyname, gethostbyname2, gethostbyaddr . getnetbyname, getnetbyaddr . getipnodebyname, getipnodebyaddr, getnodebyname, getnodebyaddr = host.conf has been removed from src/etc. rc.network has been modified to warn that host.conf is no longer used at boot time. In addition, if there is a host.conf but no nsswitch.conf, the latter is created at boot time from the former. Obtained from: NetBSD
* Fix coredump in gethostbyaddr() when the returned answer is too large tofenner2000-02-161-0/+4
| | | | | | | | | fit in the static buffer. This fix causes it to look like there is no data available, which is also wrong but is better than dumping core. PR: bin/10344 Reviewed by: billf Approved by: jkh
* Suppress vast quantities of unneeded warnings spewed by libc's gethostbydnsrwatson1999-12-281-3/+4
| | | | | | | on encountering a real-world SIG record during a lookup of another type. PR: bin/7352 Reviewed by: peter, eivind
* Add unsigned char cast to is[x]digitache1999-11-041-4/+4
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* $Id$ -> $FreeBSD$peter1999-08-281-1/+1
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* Update libc dns code to 4.9.7-T1B level. This involved chopping out largepeter1998-05-021-5/+42
| | | | | | chunks of res_comp.c and replacing it with chunks of bind-8.1.1's resolver code. (There are no interface changes though) The other parts are better bounds checking related.
* Merge in bind-4.9.6 resolver changes. Note that they resolve thepeter1997-06-271-9/+25
| | | | overflow problem differently.
* _res_close() -> res_close()peter1997-03-121-2/+2
| | | | Pointed out by: bde
* Revert $FreeBSD$ to $Id$peter1997-02-221-1/+1
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* Make the long-awaited change from $Id$ to $FreeBSD$jkh1997-01-141-1/+1
| | | | | | | | This will make a number of things easier in the future, as well as (finally!) avoiding the Id-smashing problem which has plagued developers for so long. Boy, I'm glad we're not using sup anymore. This update would have been insane otherwise.
* Fix fake failures on the short names which looks like hexadecimal numbersache1997-01-081-8/+4
| | | | Submitted by: paul@vix.com
* Disable isxdigit block until proper solution will be foundache1997-01-051-2/+7
| | | | | isxdigit(name[0]) gives false failures on short names which looks like hexadecimal digits, f.e. "fade", "babe", "d133", etc.
* Here goes.. Bring the 4.9.5-P1 resolver into -current. This has thepeter1996-12-301-9/+40
| | | | | DNSSEC stuff, among other things. There are also some renamed functions, I've left out the res_stubs.c from this commit in case cvs bombs out..
* Small yet significant tweaks/cleanups:wpaul1996-12-271-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | - getservent: o put _yp_check() proto under #ifdef YP where it belongs o local YP buffers should be YPMAXRECORD + 2 bytes long and should be NUL terminated after copying - gethostbynis: o local YP buffer should be YPMAXRECORD + 2 bytes long - getnetbynis: o local YP buffer should be YPMAXRECORD + 2 bytes long and should be NUL terminated after copying - ether_addr: o local YP buffers should be YPMAXRECORD + 2 bytes long and should be NUL terminated after copying (in this case it's BUFSIZ + 2 bytes, but it happens that BUFSIZ == YPMAXRECORD. - gethostbydns: o nuke stray 'return(NULL)' in __dns_getanswer() (harmless but looks silly) These are 2.2 candidates. I will wait a few days to make sure these don't break anything and then, if there are no objections, move them to the 2.2 branch.
* Make the __dns_getanswer() wrapper work right. For the newer versionswpaul1996-12-241-1/+14
| | | | | | | of BIND, we need to tweak some things to that gethostanswer() knows whether or not we're dealing with an IPv4 or IPv6 address. (This'll teach me to use a 2.1.0 system for NIS development -- but it's so nice and stable I just can't being myself to upgrade it. :)
* Add __dns_getanswer() hook to allow access to the gethostanswer()wpaul1996-12-221-1/+11
| | | | functions from outside libc. (Needed for async DNS resolver in ypserv.)
* Add an "officially undocumented" tweak for squid so that it can see thepeter1996-11-011-2/+7
| | | | | | TTL of DNS records that it looks up for it's resolver cache. Obtained from: Endre Balint Nagy <bne@CareNet.hu>, via squid-1.1.x source.
* Skip results that have unexpected lengthspst1996-10-011-7/+6
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* Merge in bind-4.9.4-P1 resolver...peter1996-08-291-78/+155
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* General -Wall warning cleanup, part I.jkh1996-07-121-3/+3
| | | | Submitted-By: Kent Vander Velden <graphix@iastate.edu>
* The last of the bind-4.9.3-REL resolver merges.peter1996-01-131-60/+94
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* As above.phk1995-10-221-1/+2
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* Fix bogus include paths, some of which stopped libresolv from compiling.bde1995-08-211-2/+2
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* Update the resolver part of libc to bind-4.9.3-beta24 level (from beta9p1)peter1995-08-201-29/+102
| | | | | | | | Note that this was done by selective patching from diffs, to not conflict with the 4.4bsd base code.. This was *not* a trivial task.. I have been testing this code (apart from cosmetic changes) in my libc for a while now. Obtained from: Paul Vixie <paul@vix.com>
* Remove trailing whitespace.rgrimes1995-05-301-6/+6
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* In _gethostbydnsaddr(), force RES_RECURSE into _res.options. This iswollman1994-12-011-1/+4
| | | | | | incredibly obnoxious, but also makes inverse mappings work when the local resolver is in a cache-only configuration. (Maybe this is actually a bug in BIND?)
* remove need for -DDEBUG from resolver code (conflict with db/hash)pst1994-09-251-7/+1
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* get* rework and new bind codepst1994-09-251-0/+480
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