diff options
Diffstat (limited to 'include/arpa')
| -rw-r--r-- | include/arpa/inet.h | 24 | ||||
| -rw-r--r-- | include/arpa/nameser.h | 564 | ||||
| -rw-r--r-- | include/arpa/nameser_compat.h | 194 |
3 files changed, 550 insertions, 232 deletions
diff --git a/include/arpa/inet.h b/include/arpa/inet.h index dad3916..0972285 100644 --- a/include/arpa/inet.h +++ b/include/arpa/inet.h @@ -47,10 +47,12 @@ * 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. - * + */ + +/* * @(#)inet.h 8.1 (Berkeley) 6/2/93 - * From: inet.h,v 8.6 1996/08/08 06:54:29 vixie Exp - * $Id: inet.h,v 1.8 1997/05/07 02:26:47 eivind Exp $ + * From: Id: inet.h,v 8.5 1997/01/29 08:48:09 vixie Exp $ + * $Id: inet.h,v 1.9 1997/05/07 20:00:19 eivind Exp $ */ #ifndef _ARPA_INET_H_ @@ -63,6 +65,22 @@ struct in_addr; +/* XXX all new diversions!! argh!! */ +#define inet_addr __inet_addr +#define inet_aton __inet_aton +#define inet_lnaof __inet_lnaof +#define inet_makeaddr __inet_makeaddr +#define inet_neta __inet_neta +#define inet_netof __inet_netof +#define inet_network __inet_network +#define inet_net_ntop __inet_net_ntop +#define inet_net_pton __inet_net_pton +#define inet_ntoa __inet_ntoa +#define inet_pton __inet_pton +#define inet_ntop __inet_ntop +#define inet_nsap_addr __inet_nsap_addr +#define inet_nsap_ntoa __inet_nsap_ntoa + __BEGIN_DECLS int ascii2addr __P((int, const char *, void *)); char *addr2ascii __P((int, const void *, int, char *)); diff --git a/include/arpa/nameser.h b/include/arpa/nameser.h index 0640617..634dece 100644 --- a/include/arpa/nameser.h +++ b/include/arpa/nameser.h @@ -1,7 +1,7 @@ /* * Copyright (c) 1983, 1989, 1993 - * The Regents of the University of California. All rights reserved. - * + * The Regents of the University of California. All rights reserved. + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -12,12 +12,12 @@ * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. + * This product includes software developed by the University of + * California, Berkeley and its contributors. * 4. Neither the name of the University 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 REGENTS 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 @@ -29,314 +29,420 @@ * 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. - * - * - - * Portions Copyright (c) 1993 by Digital Equipment Corporation. + */ + +/* + * Copyright (c) 1996 by Internet Software Consortium. * * Permission to use, copy, modify, and 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, and that - * the name of Digital Equipment Corporation not be used in advertising or - * publicity pertaining to distribution of the document or software without - * specific, written prior permission. + * copyright notice and this permission notice appear in all copies. * - * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL - * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT - * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL + * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS + * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE + * CONSORTIUM 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. - * - - * Portions Copyright (c) 1995 by International Business Machines, Inc. - * - * International Business Machines, Inc. (hereinafter called IBM) grants - * permission under its copyrights to use, copy, modify, and distribute this - * Software with or without fee, provided that the above copyright notice and - * all paragraphs of this notice appear in all copies, and that the name of IBM - * not be used in connection with the marketing of any product incorporating - * the Software or modifications thereof, without specific, written prior - * permission. - * - * To the extent it has a right to do so, IBM grants an immunity from suit - * under its patents, if any, for the use, sale or manufacture of products to - * the extent that such products are used for performing Domain Name System - * dynamic updates in TCP/IP networks by means of the Software. No immunity is - * granted for any product per se or for any other function of any product. - * THE SOFTWARE IS PROVIDED "AS IS", AND IBM DISCLAIMS ALL WARRANTIES, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A - * PARTICULAR PURPOSE. IN NO EVENT SHALL IBM BE LIABLE FOR ANY SPECIAL, - * DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER ARISING - * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE, EVEN - * IF IBM IS APPRISED OF THE POSSIBILITY OF SUCH DAMAGES. - * - * @(#)nameser.h 8.2 (Berkeley) 2/16/94 - * From Id: nameser.h,v 8.11 1996/10/08 04:51:02 vixie Exp + */ + +/* + * From: Id: nameser.h,v 8.16 1998/02/06 00:35:58 halley Exp * $Id$ */ #ifndef _ARPA_NAMESER_H_ -#define _ARPA_NAMESER_H_ +#define _ARPA_NAMESER_H_ + +#define BIND_4_COMPAT -#include <sys/param.h> #include <sys/types.h> #include <sys/cdefs.h> - /* * revision information. this is the release date in YYYYMMDD format. * it can change every day so the right thing to do with it is use it - * in preprocessor commands such as "#if (__BIND > 19931104)". do not - * compare for equality; rather, use it to determine whether your resolver + * in preprocessor commands such as "#if (__NAMESER > 19931104)". do not + * compare for equality; rather, use it to determine whether your libnameser.a * is new enough to contain a certain feature. */ -#define __BIND 19960801 /* interface version stamp */ +/* XXXRTH I made this bigger than __BIND in 4.9.5 T6B */ +#define __NAMESER 19961001 /* New interface version stamp. */ /* - * Define constants based on rfc883 + * Define constants based on RFC 883, RFC 1034, RFC 1035 */ -#define PACKETSZ 512 /* maximum packet size */ -#define MAXDNAME 1025 /* maximum presentation domain name */ -#define MAXCDNAME 255 /* maximum compressed domain name */ -#define MAXLABEL 63 /* maximum length of domain label */ -#define HFIXEDSZ 12 /* #/bytes of fixed data in header */ -#define QFIXEDSZ 4 /* #/bytes of fixed data in query */ -#define RRFIXEDSZ 10 /* #/bytes of fixed data in r record */ -#define INT32SZ 4 /* for systems without 32-bit ints */ -#define INT16SZ 2 /* for systems without 16-bit ints */ -#define INADDRSZ 4 /* IPv4 T_A */ -#define IN6ADDRSZ 16 /* IPv6 T_AAAA */ +#define NS_PACKETSZ 512 /* maximum packet size */ +#define NS_MAXDNAME 1025 /* maximum domain name */ +#define NS_MAXCDNAME 255 /* maximum compressed domain name */ +#define NS_MAXLABEL 63 /* maximum length of domain label */ +#define NS_HFIXEDSZ 12 /* #/bytes of fixed data in header */ +#define NS_QFIXEDSZ 4 /* #/bytes of fixed data in query */ +#define NS_RRFIXEDSZ 10 /* #/bytes of fixed data in r record */ +#define NS_INT32SZ 4 /* #/bytes of data in a u_int32_t */ +#define NS_INT16SZ 2 /* #/bytes of data in a u_int16_t */ +#define NS_INT8SZ 1 /* #/bytes of data in a u_int8_t */ +#define NS_INADDRSZ 4 /* IPv4 T_A */ +#define NS_IN6ADDRSZ 16 /* IPv6 T_AAAA */ +#define NS_CMPRSFLGS 0xc0 /* Flag bits indicating name compression. */ +#define NS_DEFAULTPORT 53 /* For both TCP and UDP. */ /* - * Internet nameserver port number + * These can be expanded with synonyms, just keep ns_parse.c:ns_parserecord() + * in synch with it. */ -#define NAMESERVER_PORT 53 +typedef enum __ns_sect { + ns_s_qd = 0, /* Query: Question. */ + ns_s_zn = 0, /* Update: Zone. */ + ns_s_an = 1, /* Query: Answer. */ + ns_s_pr = 1, /* Update: Prerequisites. */ + ns_s_ns = 2, /* Query: Name servers. */ + ns_s_ud = 2, /* Update: Update. */ + ns_s_ar = 3, /* Query|Update: Additional records. */ + ns_s_max = 4 +} ns_sect; /* - * Currently defined opcodes + * This is a message handle. It is caller allocated and has no dynamic data. + * This structure is intended to be opaque to all but ns_parse.c, thus the + * leading _'s on the member names. Use the accessor functions, not the _'s. */ -#define QUERY 0x0 /* standard query */ -#define IQUERY 0x1 /* inverse query */ -#define STATUS 0x2 /* nameserver status query */ -/*#define xxx 0x3 */ /* 0x3 reserved */ -#define NS_NOTIFY_OP 0x4 /* notify secondary of SOA change */ +typedef struct __ns_msg { + const u_char *_msg, *_eom; + u_int16_t _id, _flags, _counts[ns_s_max]; + const u_char *_sections[ns_s_max]; + ns_sect _sect; + int _rrnum; + const u_char *_ptr; +} ns_msg; + +/* Private data structure - do not use from outside library. */ +struct _ns_flagdata { int mask, shift; }; +extern struct _ns_flagdata _ns_flagdata[]; + +/* Accessor macros - this is part of the public interface. */ +#define ns_msg_getflag(handle, flag) ( \ + ((handle)._flags & _ns_flagdata[flag].mask) \ + >> _ns_flagdata[flag].shift \ + ) +#define ns_msg_id(handle) ((handle)._id + 0) +#define ns_msg_base(handle) ((handle)._msg + 0) +#define ns_msg_end(handle) ((handle)._eom + 0) +#define ns_msg_size(handle) ((handle)._eom - (handle)._msg) +#define ns_msg_count(handle, section) ((handle)._counts[section] + 0) + /* - * Currently defined response codes + * This is a parsed record. It is caller allocated and has no dynamic data. */ -#define NOERROR 0 /* no error */ -#define FORMERR 1 /* format error */ -#define SERVFAIL 2 /* server failure */ -#define NXDOMAIN 3 /* non existent domain */ -#define NOTIMP 4 /* not implemented */ -#define REFUSED 5 /* query refused */ +typedef struct __ns_rr { + char name[NS_MAXDNAME]; /* XXX need to malloc */ + u_int16_t type; + u_int16_t class; + u_int32_t ttl; + u_int16_t rdlength; + const u_char *rdata; +} ns_rr; + +/* Accessor macros - this is part of the public interface. */ +#define ns_rr_name(rr) (((rr).name[0] != '\0') ? (rr).name : ".") +#define ns_rr_type(rr) ((rr).type + 0) +#define ns_rr_class(rr) ((rr).class + 0) +#define ns_rr_ttl(rr) ((rr).ttl + 0) +#define ns_rr_rdlen(rr) ((rr).rdlength + 0) +#define ns_rr_rdata(rr) ((rr).rdata + 0) /* - * Type values for resources and queries + * These don't have to be in the same order as in the packet flags word, + * and they can even overlap in some cases, but they will need to be kept + * in synch with ns_parse.c:ns_flagdata[]. */ -#define T_A 1 /* host address */ -#define T_NS 2 /* authoritative server */ -#define T_MD 3 /* mail destination */ -#define T_MF 4 /* mail forwarder */ -#define T_CNAME 5 /* canonical name */ -#define T_SOA 6 /* start of authority zone */ -#define T_MB 7 /* mailbox domain name */ -#define T_MG 8 /* mail group member */ -#define T_MR 9 /* mail rename name */ -#define T_NULL 10 /* null resource record */ -#define T_WKS 11 /* well known service */ -#define T_PTR 12 /* domain name pointer */ -#define T_HINFO 13 /* host information */ -#define T_MINFO 14 /* mailbox information */ -#define T_MX 15 /* mail routing information */ -#define T_TXT 16 /* text strings */ -#define T_RP 17 /* responsible person */ -#define T_AFSDB 18 /* AFS cell database */ -#define T_X25 19 /* X_25 calling address */ -#define T_ISDN 20 /* ISDN calling address */ -#define T_RT 21 /* router */ -#define T_NSAP 22 /* NSAP address */ -#define T_NSAP_PTR 23 /* reverse NSAP lookup (deprecated) */ -#define T_SIG 24 /* security signature */ -#define T_KEY 25 /* security key */ -#define T_PX 26 /* X.400 mail mapping */ -#define T_GPOS 27 /* geographical position (withdrawn) */ -#define T_AAAA 28 /* IP6 Address */ -#define T_LOC 29 /* Location Information */ -#define T_NXT 30 /* Next Valid Name in Zone */ -#define T_EID 31 /* Endpoint identifier */ -#define T_NIMLOC 32 /* Nimrod locator */ -#define T_SRV 33 /* Server selection */ -#define T_ATMA 34 /* ATM Address */ -#define T_NAPTR 35 /* Naming Authority PoinTeR */ - /* non standard */ -#define T_UINFO 100 /* user (finger) information */ -#define T_UID 101 /* user ID */ -#define T_GID 102 /* group ID */ -#define T_UNSPEC 103 /* Unspecified format (binary data) */ - /* Query type values which do not appear in resource records */ -#define T_IXFR 251 /* incremental zone transfer */ -#define T_AXFR 252 /* transfer zone of authority */ -#define T_MAILB 253 /* transfer mailbox records */ -#define T_MAILA 254 /* transfer mail agent records */ -#define T_ANY 255 /* wildcard match */ +typedef enum __ns_flag { + ns_f_qr, /* Question/Response. */ + ns_f_opcode, /* Operation code. */ + ns_f_aa, /* Authoritative Answer. */ + ns_f_tc, /* Truncation occurred. */ + ns_f_rd, /* Recursion Desired. */ + ns_f_ra, /* Recursion Available. */ + ns_f_z, /* MBZ. */ + ns_f_ad, /* Authentic Data (DNSSEC). */ + ns_f_cd, /* Checking Disabled (DNSSEC). */ + ns_f_rcode, /* Response code. */ + ns_f_max +} ns_flag; /* - * Values for class field + * Currently defined opcodes. */ - -#define C_IN 1 /* the arpa internet */ -#define C_CHAOS 3 /* for chaos net (MIT) */ -#define C_HS 4 /* for Hesiod name server (MIT) (XXX) */ - /* Query class values which do not appear in resource records */ -#define C_ANY 255 /* wildcard match */ +typedef enum __ns_opcode { + ns_o_query = 0, /* Standard query. */ + ns_o_iquery = 1, /* Inverse query (deprecated/unsupported). */ + ns_o_status = 2, /* Name server status query (unsupported). */ + /* Opcode 3 is undefined/reserved. */ + ns_o_notify = 4, /* Zone change notification. */ + ns_o_update = 5, /* Zone update message. */ + ns_o_max = 6 +} ns_opcode; /* - * Flags field of the KEY RR rdata + * Currently defined response codes. */ -#define KEYFLAG_TYPEMASK 0xC000 /* Mask for "type" bits */ -#define KEYFLAG_TYPE_AUTH_CONF 0x0000 /* Key usable for both */ -#define KEYFLAG_TYPE_CONF_ONLY 0x8000 /* Key usable for confidentiality */ -#define KEYFLAG_TYPE_AUTH_ONLY 0x4000 /* Key usable for authentication */ -#define KEYFLAG_TYPE_NO_KEY 0xC000 /* No key usable for either; no key */ -/* The type bits can also be interpreted independently, as single bits: */ -#define KEYFLAG_NO_AUTH 0x8000 /* Key not usable for authentication */ -#define KEYFLAG_NO_CONF 0x4000 /* Key not usable for confidentiality */ - -#define KEYFLAG_EXPERIMENTAL 0x2000 /* Security is *mandatory* if bit=0 */ -#define KEYFLAG_RESERVED3 0x1000 /* reserved - must be zero */ -#define KEYFLAG_RESERVED4 0x0800 /* reserved - must be zero */ -#define KEYFLAG_USERACCOUNT 0x0400 /* key is assoc. with a user acct */ -#define KEYFLAG_ENTITY 0x0200 /* key is assoc. with entity eg host */ -#define KEYFLAG_ZONEKEY 0x0100 /* key is zone key for the zone named */ -#define KEYFLAG_IPSEC 0x0080 /* key is for IPSEC use (host or user)*/ -#define KEYFLAG_EMAIL 0x0040 /* key is for email (MIME security) */ -#define KEYFLAG_RESERVED10 0x0020 /* reserved - must be zero */ -#define KEYFLAG_RESERVED11 0x0010 /* reserved - must be zero */ -#define KEYFLAG_SIGNATORYMASK 0x000F /* key can sign DNS RR's of same name */ - -#define KEYFLAG_RESERVED_BITMASK ( KEYFLAG_RESERVED3 | \ - KEYFLAG_RESERVED4 | \ - KEYFLAG_RESERVED10| KEYFLAG_RESERVED11) +typedef enum __ns_rcode { + ns_r_noerror = 0, /* No error occurred. */ + ns_r_formerr = 1, /* Format error. */ + ns_r_servfail = 2, /* Server failure. */ + ns_r_nxdomain = 3, /* Name error. */ + ns_r_notimpl = 4, /* Unimplemented. */ + ns_r_refused = 5, /* Operation refused. */ + /* these are for BIND_UPDATE */ + ns_r_yxdomain = 6, /* Name exists */ + ns_r_yxrrset = 7, /* RRset exists */ + ns_r_nxrrset = 8, /* RRset does not exist */ + ns_r_notauth = 9, /* Not authoritative for zone */ + ns_r_notzone = 10, /* Zone of record different from zone section */ + ns_r_max = 11 +} ns_rcode; -/* The Algorithm field of the KEY and SIG RR's is an integer, {1..254} */ -#define ALGORITHM_MD5RSA 1 /* MD5 with RSA */ -#define ALGORITHM_EXPIRE_ONLY 253 /* No alg, no security */ -#define ALGORITHM_PRIVATE_OID 254 /* Key begins with OID indicating alg */ - -/* Signatures */ - /* Size of a mod or exp in bits */ -#define MIN_MD5RSA_KEY_PART_BITS 512 -#define MAX_MD5RSA_KEY_PART_BITS 2552 - /* Total of binary mod and exp, bytes */ -#define MAX_MD5RSA_KEY_BYTES ((MAX_MD5RSA_KEY_PART_BITS+7/8)*2+3) - /* Max length of text sig block */ -#define MAX_KEY_BASE64 (((MAX_MD5RSA_KEY_BYTES+2)/3)*4) +/* BIND_UPDATE */ +typedef enum __ns_update_operation { + ns_uop_delete = 0, + ns_uop_add = 1, + ns_uop_max = 2 +} ns_update_operation; /* - * Status return codes for T_UNSPEC conversion routines + * This RR-like structure is particular to UPDATE. */ -#define CONV_SUCCESS 0 -#define CONV_OVERFLOW (-1) -#define CONV_BADFMT (-2) -#define CONV_BADCKSUM (-3) -#define CONV_BADBUFLEN (-4) - -#include <machine/endian.h> +struct ns_updrec { + struct ns_updrec *r_prev; /* prev record */ + struct ns_updrec *r_next; /* next record */ + u_int8_t r_section; /* ZONE/PREREQUISITE/UPDATE */ + char * r_dname; /* owner of the RR */ + u_int16_t r_class; /* class number */ + u_int16_t r_type; /* type number */ + u_int32_t r_ttl; /* time to live */ + u_char * r_data; /* rdata fields as text string */ + u_int16_t r_size; /* size of r_data field */ + int r_opcode; /* type of operation */ + /* following fields for private use by the resolver/server routines */ + struct ns_updrec *r_grpnext; /* next record when grouped */ + struct databuf *r_dp; /* databuf to process */ + struct databuf *r_deldp; /* databuf's deleted/overwritten */ + u_int16_t r_zone; /* zone number on server */ +}; +typedef struct ns_updrec ns_updrec; /* - * Structure for query header. The order of the fields is machine- and - * compiler-dependent, depending on the byte/bit order and the layout - * of bit fields. We use bit fields only in int variables, as this - * is all ANSI requires. This requires a somewhat confusing rearrangement. + * Currently defined type values for resources and queries. */ +typedef enum __ns_type { + ns_t_a = 1, /* Host address. */ + ns_t_ns = 2, /* Authoritative server. */ + ns_t_md = 3, /* Mail destination. */ + ns_t_mf = 4, /* Mail forwarder. */ + ns_t_cname = 5, /* Canonical name. */ + ns_t_soa = 6, /* Start of authority zone. */ + ns_t_mb = 7, /* Mailbox domain name. */ + ns_t_mg = 8, /* Mail group member. */ + ns_t_mr = 9, /* Mail rename name. */ + ns_t_null = 10, /* Null resource record. */ + ns_t_wks = 11, /* Well known service. */ + ns_t_ptr = 12, /* Domain name pointer. */ + ns_t_hinfo = 13, /* Host information. */ + ns_t_minfo = 14, /* Mailbox information. */ + ns_t_mx = 15, /* Mail routing information. */ + ns_t_txt = 16, /* Text strings. */ + ns_t_rp = 17, /* Responsible person. */ + ns_t_afsdb = 18, /* AFS cell database. */ + ns_t_x25 = 19, /* X_25 calling address. */ + ns_t_isdn = 20, /* ISDN calling address. */ + ns_t_rt = 21, /* Router. */ + ns_t_nsap = 22, /* NSAP address. */ + ns_t_nsap_ptr = 23, /* Reverse NSAP lookup (deprecated). */ + ns_t_sig = 24, /* Security signature. */ + ns_t_key = 25, /* Security key. */ + ns_t_px = 26, /* X.400 mail mapping. */ + ns_t_gpos = 27, /* Geographical position (withdrawn). */ + ns_t_aaaa = 28, /* Ip6 Address. */ + ns_t_loc = 29, /* Location Information. */ + ns_t_nxt = 30, /* Next domain (security). */ + ns_t_eid = 31, /* Endpoint identifier. */ + ns_t_nimloc = 32, /* Nimrod Locator. */ + ns_t_srv = 33, /* Server Selection. */ + ns_t_atma = 34, /* ATM Address */ + ns_t_naptr = 35, /* Naming Authority PoinTeR */ + /* Query type values which do not appear in resource records. */ + ns_t_ixfr = 251, /* Incremental zone transfer. */ + ns_t_axfr = 252, /* Transfer zone of authority. */ + ns_t_mailb = 253, /* Transfer mailbox records. */ + ns_t_maila = 254, /* Transfer mail agent records. */ + ns_t_any = 255, /* Wildcard match. */ + ns_t_max = 65536 +} ns_type; -typedef struct { - unsigned id :16; /* query identification number */ -#if BYTE_ORDER == BIG_ENDIAN - /* fields in third byte */ - unsigned qr: 1; /* response flag */ - unsigned opcode: 4; /* purpose of message */ - unsigned aa: 1; /* authoritative answer */ - unsigned tc: 1; /* truncated message */ - unsigned rd: 1; /* recursion desired */ - /* fields in fourth byte */ - unsigned ra: 1; /* recursion available */ - unsigned unused :1; /* unused bits (MBZ as of 4.9.3a3) */ - unsigned ad: 1; /* authentic data from named */ - unsigned cd: 1; /* checking disabled by resolver */ - unsigned rcode :4; /* response code */ -#endif -#if BYTE_ORDER == LITTLE_ENDIAN || BYTE_ORDER == PDP_ENDIAN - /* fields in third byte */ - unsigned rd :1; /* recursion desired */ - unsigned tc :1; /* truncated message */ - unsigned aa :1; /* authoritative answer */ - unsigned opcode :4; /* purpose of message */ - unsigned qr :1; /* response flag */ - /* fields in fourth byte */ - unsigned rcode :4; /* response code */ - unsigned cd: 1; /* checking disabled by resolver */ - unsigned ad: 1; /* authentic data from named */ - unsigned unused :1; /* unused bits (MBZ as of 4.9.3a3) */ - unsigned ra :1; /* recursion available */ -#endif - /* remaining bytes */ - unsigned qdcount :16; /* number of question entries */ - unsigned ancount :16; /* number of answer entries */ - unsigned nscount :16; /* number of authority entries */ - unsigned arcount :16; /* number of resource entries */ -} HEADER; +/* + * Values for class field + */ +typedef enum __ns_class { + ns_c_in = 1, /* Internet. */ + /* Class 2 unallocated/unsupported. */ + ns_c_chaos = 3, /* MIT Chaos-net. */ + ns_c_hs = 4, /* MIT Hesiod. */ + /* Query class values which do not appear in resource records */ + ns_c_none = 254, /* for prereq. sections in update requests */ + ns_c_any = 255, /* Wildcard match. */ + ns_c_max = 65536 +} ns_class; /* - * Defines for handling compressed domain names + * Flags field of the KEY RR rdata */ -#define INDIR_MASK 0xc0 +#define NS_KEY_TYPEMASK 0xC000 /* Mask for "type" bits */ +#define NS_KEY_TYPE_AUTH_CONF 0x0000 /* Key usable for both */ +#define NS_KEY_TYPE_CONF_ONLY 0x8000 /* Key usable for confidentiality */ +#define NS_KEY_TYPE_AUTH_ONLY 0x4000 /* Key usable for authentication */ +#define NS_KEY_TYPE_NO_KEY 0xC000 /* No key usable for either; no key */ +/* The type bits can also be interpreted independently, as single bits: */ +#define NS_KEY_NO_AUTH 0x8000 /* Key unusable for authentication */ +#define NS_KEY_NO_CONF 0x4000 /* Key unusable for confidentiality */ +#define NS_KEY_EXPERIMENTAL 0x2000 /* Security is *mandatory* if bit=0 */ +#define NS_KEY_RESERVED3 0x1000 /* reserved - must be zero */ +#define NS_KEY_RESERVED4 0x0800 /* reserved - must be zero */ +#define NS_KEY_USERACCOUNT 0x0400 /* key is assoc. with a user acct */ +#define NS_KEY_ENTITY 0x0200 /* key is assoc. with entity eg host */ +#define NS_KEY_ZONEKEY 0x0100 /* key is zone key */ +#define NS_KEY_IPSEC 0x0080 /* key is for IPSEC (host or user)*/ +#define NS_KEY_EMAIL 0x0040 /* key is for email (MIME security) */ +#define NS_KEY_RESERVED10 0x0020 /* reserved - must be zero */ +#define NS_KEY_RESERVED11 0x0010 /* reserved - must be zero */ +#define NS_KEY_SIGNATORYMASK 0x000F /* key can sign RR's of same name */ + +#define NS_KEY_RESERVED_BITMASK ( NS_KEY_RESERVED3 | \ + NS_KEY_RESERVED4 | \ + NS_KEY_RESERVED10 | \ + NS_KEY_RESERVED11 ) + +/* The Algorithm field of the KEY and SIG RR's is an integer, {1..254} */ +#define NS_ALG_MD5RSA 1 /* MD5 with RSA */ +#define NS_ALG_EXPIRE_ONLY 253 /* No alg, no security */ +#define NS_ALG_PRIVATE_OID 254 /* Key begins with OID giving alg */ + +/* Signatures */ +#define NS_MD5RSA_MIN_BITS 512 /* Size of a mod or exp in bits */ +#define NS_MD5RSA_MAX_BITS 2552 + /* Total of binary mod and exp */ +#define NS_MD5RSA_MAX_BYTES ((NS_MD5RSA_MAX_BITS+7/8)*2+3) + /* Max length of text sig block */ +#define NS_MD5RSA_MAX_BASE64 (((NS_MD5RSA_MAX_BYTES+2)/3)*4) + +/* Offsets into SIG record rdata to find various values */ +#define NS_SIG_TYPE 0 /* Type flags */ +#define NS_SIG_ALG 2 /* Algorithm */ +#define NS_SIG_LABELS 3 /* How many labels in name */ +#define NS_SIG_OTTL 4 /* Original TTL */ +#define NS_SIG_EXPIR 8 /* Expiration time */ +#define NS_SIG_SIGNED 12 /* Signature time */ +#define NS_SIG_FOOT 16 /* Key footprint */ +#define NS_SIG_SIGNER 18 /* Domain name of who signed it */ + +/* How RR types are represented as bit-flags in NXT records */ +#define NS_NXT_BITS 8 +#define NS_NXT_BIT_SET( n,p) (p[(n)/NS_NXT_BITS] |= (0x80>>((n)%NS_NXT_BITS))) +#define NS_NXT_BIT_CLEAR(n,p) (p[(n)/NS_NXT_BITS] &= ~(0x80>>((n)%NS_NXT_BITS))) +#define NS_NXT_BIT_ISSET(n,p) (p[(n)/NS_NXT_BITS] & (0x80>>((n)%NS_NXT_BITS))) -extern u_int16_t _getshort __P((const u_char *)); -extern u_int32_t _getlong __P((const u_char *)); /* * Inline versions of get/put short/long. Pointer is advanced. - * - * These macros demonstrate the property of C whereby it can be - * portable or it can be elegant but rarely both. */ -#define GETSHORT(s, cp) { \ +#define NS_GET16(s, cp) { \ register u_char *t_cp = (u_char *)(cp); \ (s) = ((u_int16_t)t_cp[0] << 8) \ | ((u_int16_t)t_cp[1]) \ ; \ - (cp) += INT16SZ; \ + (cp) += NS_INT16SZ; \ } -#define GETLONG(l, cp) { \ +#define NS_GET32(l, cp) { \ register u_char *t_cp = (u_char *)(cp); \ (l) = ((u_int32_t)t_cp[0] << 24) \ | ((u_int32_t)t_cp[1] << 16) \ | ((u_int32_t)t_cp[2] << 8) \ | ((u_int32_t)t_cp[3]) \ ; \ - (cp) += INT32SZ; \ + (cp) += NS_INT32SZ; \ } -#define PUTSHORT(s, cp) { \ +#define NS_PUT16(s, cp) { \ register u_int16_t t_s = (u_int16_t)(s); \ register u_char *t_cp = (u_char *)(cp); \ *t_cp++ = t_s >> 8; \ *t_cp = t_s; \ - (cp) += INT16SZ; \ + (cp) += NS_INT16SZ; \ } -#define PUTLONG(l, cp) { \ +#define NS_PUT32(l, cp) { \ register u_int32_t t_l = (u_int32_t)(l); \ register u_char *t_cp = (u_char *)(cp); \ *t_cp++ = t_l >> 24; \ *t_cp++ = t_l >> 16; \ *t_cp++ = t_l >> 8; \ *t_cp = t_l; \ - (cp) += INT32SZ; \ + (cp) += NS_INT32SZ; \ } +/* + * ANSI C identifier hiding. + */ +#define ns_get16 __ns_get16 +#define ns_get32 __ns_get32 +#define ns_put16 __ns_put16 +#define ns_put32 __ns_put32 +#define ns_initparse __ns_initparse +#define ns_parserr __ns_parserr +#define ns_sprintrr __ns_sprintrr +#define ns_sprintrrf __ns_sprintrrf +#define ns_format_ttl __ns_format_ttl +#define ns_parse_ttl __ns_parse_ttl +#define ns_name_ntop __ns_name_ntop +#define ns_name_pton __ns_name_pton +#define ns_name_unpack __ns_name_unpack +#define ns_name_pack __ns_name_pack +#define ns_name_compress __ns_name_compress +#define ns_name_uncompress __ns_name_uncompress + +__BEGIN_DECLS +u_int ns_get16 __P((const u_char *)); +u_long ns_get32 __P((const u_char *)); +void ns_put16 __P((u_int, u_char *)); +void ns_put32 __P((u_long, u_char *)); +int ns_initparse __P((const u_char *, int, ns_msg *)); +int ns_parserr __P((ns_msg *, ns_sect, int, ns_rr *)); +int ns_sprintrr __P((const ns_msg *, const ns_rr *, + const char *, const char *, char *, size_t)); +int ns_sprintrrf __P((const u_char *, size_t, const char *, + ns_class, ns_type, u_long, const u_char *, + size_t, const char *, const char *, + char *, size_t)); +int ns_format_ttl __P((u_long, char *, size_t)); +int ns_parse_ttl __P((const char *, u_long *)); +int ns_name_ntop __P((const u_char *, char *, size_t)); +int ns_name_pton __P((const char *, u_char *, size_t)); +int ns_name_unpack __P((const u_char *, const u_char *, + const u_char *, u_char *, size_t)); +int ns_name_pack __P((const u_char *, u_char *, int, + const u_char **, const u_char **)); +int ns_name_uncompress __P((const u_char *, const u_char *, + const u_char *, char *, size_t)); +int ns_name_compress __P((const char *, u_char *, size_t, + const u_char **, const u_char **)); +int ns_name_skip __P((const u_char **, const u_char *)); +__END_DECLS + +#ifdef BIND_4_COMPAT +#include <arpa/nameser_compat.h> +#endif + #endif /* !_ARPA_NAMESER_H_ */ diff --git a/include/arpa/nameser_compat.h b/include/arpa/nameser_compat.h new file mode 100644 index 0000000..2ab5b47 --- /dev/null +++ b/include/arpa/nameser_compat.h @@ -0,0 +1,194 @@ +/* Copyright (c) 1983, 1989 + * The Regents of the University of California. 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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. + */ + +/* + * from nameser.h 8.1 (Berkeley) 6/2/93 + * From: Id: nameser_compat.h,v 8.9 1998/03/20 23:25:10 halley Exp + * $Id$ + */ + +#ifndef _ARPA_NAMESER_COMPAT_ +#define _ARPA_NAMESER_COMPAT_ + +#define __BIND 19950621 /* (DEAD) interface version stamp. */ + +#include <machine/endian.h> + +#if !defined(BYTE_ORDER) || \ + (BYTE_ORDER != BIG_ENDIAN && BYTE_ORDER != LITTLE_ENDIAN && \ + BYTE_ORDER != PDP_ENDIAN) + /* you must determine what the correct bit order is for + * your compiler - the next line is an intentional error + * which will force your compiles to bomb until you fix + * the above macros. + */ + error "Undefined or invalid BYTE_ORDER"; +#endif + +/* + * Structure for query header. The order of the fields is machine- and + * compiler-dependent, depending on the byte/bit order and the layout + * of bit fields. We use bit fields only in int variables, as this + * is all ANSI requires. This requires a somewhat confusing rearrangement. + */ + +typedef struct { + unsigned id :16; /* query identification number */ +#if BYTE_ORDER == BIG_ENDIAN + /* fields in third byte */ + unsigned qr: 1; /* response flag */ + unsigned opcode: 4; /* purpose of message */ + unsigned aa: 1; /* authoritive answer */ + unsigned tc: 1; /* truncated message */ + unsigned rd: 1; /* recursion desired */ + /* fields in fourth byte */ + unsigned ra: 1; /* recursion available */ + unsigned unused :1; /* unused bits (MBZ as of 4.9.3a3) */ + unsigned ad: 1; /* authentic data from named */ + unsigned cd: 1; /* checking disabled by resolver */ + unsigned rcode :4; /* response code */ +#endif +#if BYTE_ORDER == LITTLE_ENDIAN || BYTE_ORDER == PDP_ENDIAN + /* fields in third byte */ + unsigned rd :1; /* recursion desired */ + unsigned tc :1; /* truncated message */ + unsigned aa :1; /* authoritive answer */ + unsigned opcode :4; /* purpose of message */ + unsigned qr :1; /* response flag */ + /* fields in fourth byte */ + unsigned rcode :4; /* response code */ + unsigned cd: 1; /* checking disabled by resolver */ + unsigned ad: 1; /* authentic data from named */ + unsigned unused :1; /* unused bits (MBZ as of 4.9.3a3) */ + unsigned ra :1; /* recursion available */ +#endif + /* remaining bytes */ + unsigned qdcount :16; /* number of question entries */ + unsigned ancount :16; /* number of answer entries */ + unsigned nscount :16; /* number of authority entries */ + unsigned arcount :16; /* number of resource entries */ +} HEADER; + +#define PACKETSZ NS_PACKETSZ +#define MAXDNAME NS_MAXDNAME +#define MAXCDNAME NS_MAXCDNAME +#define MAXLABEL NS_MAXLABEL +#define HFIXEDSZ NS_HFIXEDSZ +#define QFIXEDSZ NS_QFIXEDSZ +#define RRFIXEDSZ NS_RRFIXEDSZ +#define INT32SZ NS_INT32SZ +#define INT16SZ NS_INT16SZ +#define INADDRSZ NS_INADDRSZ +#define IN6ADDRSZ NS_IN6ADDRSZ +#define INDIR_MASK NS_CMPRSFLGS +#define NAMESERVER_PORT NS_DEFAULTPORT + +#define S_ZONE ns_s_zn +#define S_PREREQ ns_s_pr +#define S_UPDATE ns_s_ud +#define S_ADDT ns_s_ar + +#define QUERY ns_o_query +#define IQUERY ns_o_iquery +#define STATUS ns_o_status +#define NS_NOTIFY_OP ns_o_notify +#define NS_UPDATE_OP ns_o_update + +#define NOERROR ns_r_noerror +#define FORMERR ns_r_formerr +#define SERVFAIL ns_r_servfail +#define NXDOMAIN ns_r_nxdomain +#define NOTIMP ns_r_notimpl +#define REFUSED ns_r_refused +#define YXDOMAIN ns_r_yxdomain +#define YXRRSET ns_r_yxrrset +#define NXRRSET ns_r_nxrrset +#define NOTAUTH ns_r_notauth +#define NOTZONE ns_r_notzone + +#define DELETE ns_uop_delete +#define ADD ns_uop_add + +#define T_A ns_t_a +#define T_NS ns_t_ns +#define T_MD ns_t_md +#define T_MF ns_t_mf +#define T_CNAME ns_t_cname +#define T_SOA ns_t_soa +#define T_MB ns_t_mb +#define T_MG ns_t_mg +#define T_MR ns_t_mr +#define T_NULL ns_t_null +#define T_WKS ns_t_wks +#define T_PTR ns_t_ptr +#define T_HINFO ns_t_hinfo +#define T_MINFO ns_t_minfo +#define T_MX ns_t_mx +#define T_TXT ns_t_txt +#define T_RP ns_t_rp +#define T_AFSDB ns_t_afsdb +#define T_X25 ns_t_x25 +#define T_ISDN ns_t_isdn +#define T_RT ns_t_rt +#define T_NSAP ns_t_nsap +#define T_NSAP_PTR ns_t_nsap_ptr +#define T_SIG ns_t_sig +#define T_KEY ns_t_key +#define T_PX ns_t_px +#define T_GPOS ns_t_gpos +#define T_AAAA ns_t_aaaa +#define T_LOC ns_t_loc +#define T_NXT ns_t_nxt +#define T_EID ns_t_eid +#define T_NIMLOC ns_t_nimloc +#define T_SRV ns_t_srv +#define T_ATMA ns_t_atma +#define T_NAPTR ns_t_naptr +#define T_IXFR ns_t_ixfr +#define T_AXFR ns_t_axfr +#define T_MAILB ns_t_mailb +#define T_MAILA ns_t_maila +#define T_ANY ns_t_any + +#define C_IN ns_c_in +#define C_CHAOS ns_c_chaos +#define C_HS ns_c_hs +/* BIND_UPDATE */ +#define C_NONE ns_c_none +#define C_ANY ns_c_any + +#define GETSHORT NS_GET16 +#define GETLONG NS_GET32 +#define PUTSHORT NS_PUT16 +#define PUTLONG NS_PUT32 + +#endif /* _ARPA_NAMESER_COMPAT_ */ |
