1/* 2 * Copyright (c) 1983, 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34/* 35 * Copyright (c) 1996-1999 by Internet Software Consortium. 36 * 37 * Permission to use, copy, modify, and distribute this software for any 38 * purpose with or without fee is hereby granted, provided that the above 39 * copyright notice and this permission notice appear in all copies. 40 * 41 * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS 42 * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES 43 * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE 44 * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 45 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 46 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS 47 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 48 * SOFTWARE. 49 */ 50 51/* 52 * $Id: nameser.h,v 1.1 2006/03/01 19:01:36 majka Exp $ 53 */ 54 55#ifndef _NAMESER_9_H_ 56#define _NAMESER_9_H_ 57 58#ifdef BIND_8_COMPAT 59#include <arpa/nameser_compat.h> 60#endif 61 62#include <sys/param.h> 63#if (!defined(BSD)) || (BSD < 199306) 64# include <sys/bitypes.h> 65#else 66# include <sys/types.h> 67#endif 68#include <sys/cdefs.h> 69 70/* 71 * Revision information. This is the release date in YYYYMMDD format. 72 * It can change every day so the right thing to do with it is use it 73 * in preprocessor commands such as "#if (__NAMESER > 19931104)". Do not 74 * compare for equality; rather, use it to determine whether your libbind.a 75 * contains a new enough lib/nameser/ to support the feature you need. 76 */ 77 78#define __NAMESER 19991006 /* New interface version stamp. */ 79 80/* 81 * Define constants based on RFC 883, RFC 1034, RFC 1035 82 */ 83#define NS_PACKETSZ 512 /* maximum packet size */ 84#define NS_MAXDNAME 1025 /* maximum domain name */ 85#define NS_MAXCDNAME 255 /* maximum compressed domain name */ 86#define NS_MAXLABEL 63 /* maximum length of domain label */ 87#define NS_HFIXEDSZ 12 /* #/bytes of fixed data in header */ 88#define NS_QFIXEDSZ 4 /* #/bytes of fixed data in query */ 89#define NS_RRFIXEDSZ 10 /* #/bytes of fixed data in r record */ 90#define NS_INT32SZ 4 /* #/bytes of data in a u_int32_t */ 91#define NS_INT16SZ 2 /* #/bytes of data in a u_int16_t */ 92#define NS_INT8SZ 1 /* #/bytes of data in a u_int8_t */ 93#define NS_INADDRSZ 4 /* IPv4 T_A */ 94#define NS_IN6ADDRSZ 16 /* IPv6 T_AAAA */ 95#define NS_CMPRSFLGS 0xc0 /* Flag bits indicating name compression. */ 96#define NS_DEFAULTPORT 53 /* For both TCP and UDP. */ 97 98/* 99 * These can be expanded with synonyms, just keep ns_parse.c:ns_parserecord() 100 * in synch with it. 101 */ 102#define ns_sect res_9_ns_sect 103typedef enum __ns_sect { 104 ns_s_qd = 0, /* Query: Question. */ 105 ns_s_zn = 0, /* Update: Zone. */ 106 ns_s_an = 1, /* Query: Answer. */ 107 ns_s_pr = 1, /* Update: Prerequisites. */ 108 ns_s_ns = 2, /* Query: Name servers. */ 109 ns_s_ud = 2, /* Update: Update. */ 110 ns_s_ar = 3, /* Query|Update: Additional records. */ 111 ns_s_max = 4 112} ns_sect; 113 114/* 115 * This is a message handle. It is caller allocated and has no dynamic data. 116 * This structure is intended to be opaque to all but ns_parse.c, thus the 117 * leading _'s on the member names. Use the accessor functions, not the _'s. 118 */ 119#define ns_msg res_9_ns_msg 120typedef struct __ns_msg { 121 const u_char *_msg, *_eom; 122 u_int16_t _id, _flags, _counts[ns_s_max]; 123 const u_char *_sections[ns_s_max]; 124 ns_sect _sect; 125 int _rrnum; 126 const u_char *_msg_ptr; 127} ns_msg; 128 129/* Private data structure - do not use from outside library. */ 130#define _ns_flagdata _res_9_ns_flagdata 131struct _ns_flagdata { int mask, shift; }; 132extern struct _ns_flagdata _ns_flagdata[]; 133 134/* Accessor macros - this is part of the public interface. */ 135 136#define ns_msg_id(handle) ((handle)._id + 0) 137#define ns_msg_base(handle) ((handle)._msg + 0) 138#define ns_msg_end(handle) ((handle)._eom + 0) 139#define ns_msg_size(handle) ((handle)._eom - (handle)._msg) 140#define ns_msg_count(handle, section) ((handle)._counts[section] + 0) 141 142/* 143 * This is a parsed record. It is caller allocated and has no dynamic data. 144 */ 145#define ns_rr res_9_ns_rr 146 147typedef struct __ns_rr { 148 char name[NS_MAXDNAME]; 149 u_int16_t type; 150 u_int16_t rr_class; 151 u_int32_t ttl; 152 u_int16_t rdlength; 153 const u_char * rdata; 154} ns_rr; 155 156/* Accessor macros - this is part of the public interface. */ 157#define ns_rr_name(rr) (((rr).name[0] != '\0') ? (rr).name : ".") 158#define ns_rr_type(rr) ((ns_type)((rr).type + 0)) 159#define ns_rr_class(rr) ((ns_class)((rr).rr_class + 0)) 160#define ns_rr_ttl(rr) ((rr).ttl + 0) 161#define ns_rr_rdlen(rr) ((rr).rdlength + 0) 162#define ns_rr_rdata(rr) ((rr).rdata + 0) 163 164/* 165 * These don't have to be in the same order as in the packet flags word, 166 * and they can even overlap in some cases, but they will need to be kept 167 * in synch with ns_parse.c:ns_flagdata[]. 168 */ 169#define ns_flag res_9_ns_flag 170typedef enum __ns_flag { 171 ns_f_qr, /* Question/Response. */ 172 ns_f_opcode, /* Operation code. */ 173 ns_f_aa, /* Authoritative Answer. */ 174 ns_f_tc, /* Truncation occurred. */ 175 ns_f_rd, /* Recursion Desired. */ 176 ns_f_ra, /* Recursion Available. */ 177 ns_f_z, /* MBZ. */ 178 ns_f_ad, /* Authentic Data (DNSSEC). */ 179 ns_f_cd, /* Checking Disabled (DNSSEC). */ 180 ns_f_rcode, /* Response code. */ 181 ns_f_max 182} ns_flag; 183 184/* 185 * Currently defined opcodes. 186 */ 187#define ns_opcode res_9_ns_opcode 188typedef enum __ns_opcode { 189 ns_o_query = 0, /* Standard query. */ 190 ns_o_iquery = 1, /* Inverse query (deprecated/unsupported). */ 191 ns_o_status = 2, /* Name server status query (unsupported). */ 192 /* Opcode 3 is undefined/reserved. */ 193 ns_o_notify = 4, /* Zone change notification. */ 194 ns_o_update = 5, /* Zone update message. */ 195 ns_o_max = 6 196} ns_opcode; 197 198/* 199 * Currently defined response codes. 200 */ 201#define ns_rcode res_9_ns_rcode 202typedef enum __ns_rcode { 203 ns_r_noerror = 0, /* No error occurred. */ 204 ns_r_formerr = 1, /* Format error. */ 205 ns_r_servfail = 2, /* Server failure. */ 206 ns_r_nxdomain = 3, /* Name error. */ 207 ns_r_notimpl = 4, /* Unimplemented. */ 208 ns_r_refused = 5, /* Operation refused. */ 209 /* these are for BIND_UPDATE */ 210 ns_r_yxdomain = 6, /* Name exists */ 211 ns_r_yxrrset = 7, /* RRset exists */ 212 ns_r_nxrrset = 8, /* RRset does not exist */ 213 ns_r_notauth = 9, /* Not authoritative for zone */ 214 ns_r_notzone = 10, /* Zone of record different from zone section */ 215 ns_r_max = 11, 216 /* The following are EDNS extended rcodes */ 217 ns_r_badvers = 16, 218 /* The following are TSIG errors */ 219 ns_r_badsig = 16, 220 ns_r_badkey = 17, 221 ns_r_badtime = 18 222} ns_rcode; 223 224/* BIND_UPDATE */ 225#define ns_update_operation res_9_ns_update_operation 226typedef enum __ns_update_operation { 227 ns_uop_delete = 0, 228 ns_uop_add = 1, 229 ns_uop_max = 2 230} ns_update_operation; 231 232/* 233 * This structure is used for TSIG authenticated messages 234 */ 235#define ns_tsig_key res_9_ns_tsig_key 236struct ns_tsig_key { 237 char name[NS_MAXDNAME], alg[NS_MAXDNAME]; 238 unsigned char *data; 239 int len; 240}; 241typedef struct ns_tsig_key ns_tsig_key; 242 243/* 244 * This structure is used for TSIG authenticated TCP messages 245 */ 246#define ns_tcp_tsig_state res_9_ns_tcp_tsig_state 247struct ns_tcp_tsig_state { 248 int counter; 249 struct dst_key *key; 250 void *ctx; 251 unsigned char sig[NS_PACKETSZ]; 252 int siglen; 253}; 254typedef struct ns_tcp_tsig_state ns_tcp_tsig_state; 255 256#define NS_TSIG_FUDGE 300 257#define NS_TSIG_TCP_COUNT 100 258#define NS_TSIG_ALG_HMAC_MD5 "HMAC-MD5.SIG-ALG.REG.INT" 259 260#define NS_TSIG_ERROR_NO_TSIG -10 261#define NS_TSIG_ERROR_NO_SPACE -11 262#define NS_TSIG_ERROR_FORMERR -12 263 264/* 265 * Currently defined type values for resources and queries. 266 */ 267#define ns_typw res_9_ns_type 268typedef enum __ns_type { 269 ns_t_invalid = 0, /* Cookie. */ 270 ns_t_a = 1, /* Host address. */ 271 ns_t_ns = 2, /* Authoritative server. */ 272 ns_t_md = 3, /* Mail destination. */ 273 ns_t_mf = 4, /* Mail forwarder. */ 274 ns_t_cname = 5, /* Canonical name. */ 275 ns_t_soa = 6, /* Start of authority zone. */ 276 ns_t_mb = 7, /* Mailbox domain name. */ 277 ns_t_mg = 8, /* Mail group member. */ 278 ns_t_mr = 9, /* Mail rename name. */ 279 ns_t_null = 10, /* Null resource record. */ 280 ns_t_wks = 11, /* Well known service. */ 281 ns_t_ptr = 12, /* Domain name pointer. */ 282 ns_t_hinfo = 13, /* Host information. */ 283 ns_t_minfo = 14, /* Mailbox information. */ 284 ns_t_mx = 15, /* Mail routing information. */ 285 ns_t_txt = 16, /* Text strings. */ 286 ns_t_rp = 17, /* Responsible person. */ 287 ns_t_afsdb = 18, /* AFS cell database. */ 288 ns_t_x25 = 19, /* X_25 calling address. */ 289 ns_t_isdn = 20, /* ISDN calling address. */ 290 ns_t_rt = 21, /* Router. */ 291 ns_t_nsap = 22, /* NSAP address. */ 292 ns_t_nsap_ptr = 23, /* Reverse NSAP lookup (deprecated). */ 293 ns_t_sig = 24, /* Security signature. */ 294 ns_t_key = 25, /* Security key. */ 295 ns_t_px = 26, /* X.400 mail mapping. */ 296 ns_t_gpos = 27, /* Geographical position (withdrawn). */ 297 ns_t_aaaa = 28, /* Ip6 Address. */ 298 ns_t_loc = 29, /* Location Information. */ 299 ns_t_nxt = 30, /* Next domain (security). */ 300 ns_t_eid = 31, /* Endpoint identifier. */ 301 ns_t_nimloc = 32, /* Nimrod Locator. */ 302 ns_t_srv = 33, /* Server Selection. */ 303 ns_t_atma = 34, /* ATM Address */ 304 ns_t_naptr = 35, /* Naming Authority PoinTeR */ 305 ns_t_kx = 36, /* Key Exchange */ 306 ns_t_cert = 37, /* Certification record */ 307 ns_t_a6 = 38, /* IPv6 address (deprecates AAAA) */ 308 ns_t_dname = 39, /* Non-terminal DNAME (for IPv6) */ 309 ns_t_sink = 40, /* Kitchen sink (experimentatl) */ 310 ns_t_opt = 41, /* EDNS0 option (meta-RR) */ 311 ns_t_tkey = 249, /* Transaction key */ 312 ns_t_tsig = 250, /* Transaction signature. */ 313 ns_t_ixfr = 251, /* Incremental zone transfer. */ 314 ns_t_axfr = 252, /* Transfer zone of authority. */ 315 ns_t_mailb = 253, /* Transfer mailbox records. */ 316 ns_t_maila = 254, /* Transfer mail agent records. */ 317 ns_t_any = 255, /* Wildcard match. */ 318 ns_t_zxfr = 256, /* BIND-specific, nonstandard. */ 319 ns_t_max = 65536 320} ns_type; 321 322/* Exclusively a QTYPE? (not also an RTYPE) */ 323#define ns_t_qt_p(t) (ns_t_xfr_p(t) || (t) == ns_t_any || \ 324 (t) == ns_t_mailb || (t) == ns_t_maila) 325/* Some kind of meta-RR? (not a QTYPE, but also not an RTYPE) */ 326#define ns_t_mrr_p(t) ((t) == ns_t_tsig || (t) == ns_t_opt) 327/* Exclusively an RTYPE? (not also a QTYPE or a meta-RR) */ 328#define ns_t_rr_p(t) (!ns_t_qt_p(t) && !ns_t_mrr_p(t)) 329#define ns_t_udp_p(t) ((t) != ns_t_axfr && (t) != ns_t_zxfr) 330#define ns_t_xfr_p(t) ((t) == ns_t_axfr || (t) == ns_t_ixfr || \ 331 (t) == ns_t_zxfr) 332 333/* 334 * Values for class field 335 */ 336#define ns_class res_9_ns_class 337typedef enum __ns_class { 338 ns_c_invalid = 0, /* Cookie. */ 339 ns_c_in = 1, /* Internet. */ 340 ns_c_2 = 2, /* unallocated/unsupported. */ 341 ns_c_chaos = 3, /* MIT Chaos-net. */ 342 ns_c_hs = 4, /* MIT Hesiod. */ 343 /* Query class values which do not appear in resource records */ 344 ns_c_none = 254, /* for prereq. sections in update requests */ 345 ns_c_any = 255, /* Wildcard match. */ 346 ns_c_max = 65536 347} ns_class; 348 349/* DNSSEC constants. */ 350 351#define ns_key_types res_9_ns_key_types 352typedef enum __ns_key_types { 353 ns_kt_rsa = 1, /* key type RSA/MD5 */ 354 ns_kt_dh = 2, /* Diffie Hellman */ 355 ns_kt_dsa = 3, /* Digital Signature Standard (MANDATORY) */ 356 ns_kt_private = 254 /* Private key type starts with OID */ 357} ns_key_types; 358 359#define ns_cert_types res_9_ns_cert_types 360typedef enum __ns_cert_types { 361 cert_t_pkix = 1, /* PKIX (X.509v3) */ 362 cert_t_spki = 2, /* SPKI */ 363 cert_t_pgp = 3, /* PGP */ 364 cert_t_url = 253, /* URL private type */ 365 cert_t_oid = 254 /* OID private type */ 366} ns_cert_types; 367 368/* Flags field of the KEY RR rdata. */ 369#define NS_KEY_TYPEMASK 0xC000 /* Mask for "type" bits */ 370#define NS_KEY_TYPE_AUTH_CONF 0x0000 /* Key usable for both */ 371#define NS_KEY_TYPE_CONF_ONLY 0x8000 /* Key usable for confidentiality */ 372#define NS_KEY_TYPE_AUTH_ONLY 0x4000 /* Key usable for authentication */ 373#define NS_KEY_TYPE_NO_KEY 0xC000 /* No key usable for either; no key */ 374/* The type bits can also be interpreted independently, as single bits: */ 375#define NS_KEY_NO_AUTH 0x8000 /* Key unusable for authentication */ 376#define NS_KEY_NO_CONF 0x4000 /* Key unusable for confidentiality */ 377#define NS_KEY_RESERVED2 0x2000 /* Security is *mandatory* if bit=0 */ 378#define NS_KEY_EXTENDED_FLAGS 0x1000 /* reserved - must be zero */ 379#define NS_KEY_RESERVED4 0x0800 /* reserved - must be zero */ 380#define NS_KEY_RESERVED5 0x0400 /* reserved - must be zero */ 381#define NS_KEY_NAME_TYPE 0x0300 /* these bits determine the type */ 382#define NS_KEY_NAME_USER 0x0000 /* key is assoc. with user */ 383#define NS_KEY_NAME_ENTITY 0x0200 /* key is assoc. with entity eg host */ 384#define NS_KEY_NAME_ZONE 0x0100 /* key is zone key */ 385#define NS_KEY_NAME_RESERVED 0x0300 /* reserved meaning */ 386#define NS_KEY_RESERVED8 0x0080 /* reserved - must be zero */ 387#define NS_KEY_RESERVED9 0x0040 /* reserved - must be zero */ 388#define NS_KEY_RESERVED10 0x0020 /* reserved - must be zero */ 389#define NS_KEY_RESERVED11 0x0010 /* reserved - must be zero */ 390#define NS_KEY_SIGNATORYMASK 0x000F /* key can sign RR's of same name */ 391#define NS_KEY_RESERVED_BITMASK ( NS_KEY_RESERVED2 | \ 392 NS_KEY_RESERVED4 | \ 393 NS_KEY_RESERVED5 | \ 394 NS_KEY_RESERVED8 | \ 395 NS_KEY_RESERVED9 | \ 396 NS_KEY_RESERVED10 | \ 397 NS_KEY_RESERVED11 ) 398#define NS_KEY_RESERVED_BITMASK2 0xFFFF /* no bits defined here */ 399 400/* The Algorithm field of the KEY and SIG RR's is an integer, {1..254} */ 401#define NS_ALG_MD5RSA 1 /* MD5 with RSA */ 402#define NS_ALG_DH 2 /* Diffie Hellman KEY */ 403#define NS_ALG_DSA 3 /* DSA KEY */ 404#define NS_ALG_DSS NS_ALG_DSA 405#define NS_ALG_EXPIRE_ONLY 253 /* No alg, no security */ 406#define NS_ALG_PRIVATE_OID 254 /* Key begins with OID giving alg */ 407 408/* Protocol values */ 409/* value 0 is reserved */ 410#define NS_KEY_PROT_TLS 1 411#define NS_KEY_PROT_EMAIL 2 412#define NS_KEY_PROT_DNSSEC 3 413#define NS_KEY_PROT_IPSEC 4 414#define NS_KEY_PROT_ANY 255 415 416/* Signatures */ 417#define NS_MD5RSA_MIN_BITS 512 /* Size of a mod or exp in bits */ 418#define NS_MD5RSA_MAX_BITS 2552 419 /* Total of binary mod and exp */ 420#define NS_MD5RSA_MAX_BYTES ((NS_MD5RSA_MAX_BITS+7/8)*2+3) 421 /* Max length of text sig block */ 422#define NS_MD5RSA_MAX_BASE64 (((NS_MD5RSA_MAX_BYTES+2)/3)*4) 423#define NS_MD5RSA_MIN_SIZE ((NS_MD5RSA_MIN_BITS+7)/8) 424#define NS_MD5RSA_MAX_SIZE ((NS_MD5RSA_MAX_BITS+7)/8) 425 426#define NS_DSA_SIG_SIZE 41 427#define NS_DSA_MIN_SIZE 213 428#define NS_DSA_MAX_BYTES 405 429 430/* Offsets into SIG record rdata to find various values */ 431#define NS_SIG_TYPE 0 /* Type flags */ 432#define NS_SIG_ALG 2 /* Algorithm */ 433#define NS_SIG_LABELS 3 /* How many labels in name */ 434#define NS_SIG_OTTL 4 /* Original TTL */ 435#define NS_SIG_EXPIR 8 /* Expiration time */ 436#define NS_SIG_SIGNED 12 /* Signature time */ 437#define NS_SIG_FOOT 16 /* Key footprint */ 438#define NS_SIG_SIGNER 18 /* Domain name of who signed it */ 439 440/* How RR types are represented as bit-flags in NXT records */ 441#define NS_NXT_BITS 8 442#define NS_NXT_BIT_SET( n,p) (p[(n)/NS_NXT_BITS] |= (0x80>>((n)%NS_NXT_BITS))) 443#define NS_NXT_BIT_CLEAR(n,p) (p[(n)/NS_NXT_BITS] &= ~(0x80>>((n)%NS_NXT_BITS))) 444#define NS_NXT_BIT_ISSET(n,p) (p[(n)/NS_NXT_BITS] & (0x80>>((n)%NS_NXT_BITS))) 445#define NS_NXT_MAX 127 446 447/* 448 * EDNS0 extended flags, host order. 449 */ 450#define NS_OPT_DNSSEC_OK 0x8000U 451 452/* 453 * Inline versions of get/put short/long. Pointer is advanced. 454 */ 455#define NS_GET16(s, cp) do { \ 456 const u_char *t_cp = (const u_char *)(cp); \ 457 (s) = ((u_int16_t)t_cp[0] << 8) \ 458 | ((u_int16_t)t_cp[1]) \ 459 ; \ 460 (cp) += NS_INT16SZ; \ 461} while (0) 462 463#define NS_GET32(l, cp) do { \ 464 const u_char *t_cp = (const u_char *)(cp); \ 465 (l) = ((u_int32_t)t_cp[0] << 24) \ 466 | ((u_int32_t)t_cp[1] << 16) \ 467 | ((u_int32_t)t_cp[2] << 8) \ 468 | ((u_int32_t)t_cp[3]) \ 469 ; \ 470 (cp) += NS_INT32SZ; \ 471} while (0) 472 473#define NS_PUT16(s, cp) do { \ 474 u_int16_t t_s = (u_int16_t)(s); \ 475 u_char *t_cp = (u_char *)(cp); \ 476 *t_cp++ = t_s >> 8; \ 477 *t_cp = t_s; \ 478 (cp) += NS_INT16SZ; \ 479} while (0) 480 481#define NS_PUT32(l, cp) do { \ 482 u_int32_t t_l = (u_int32_t)(l); \ 483 u_char *t_cp = (u_char *)(cp); \ 484 *t_cp++ = t_l >> 24; \ 485 *t_cp++ = t_l >> 16; \ 486 *t_cp++ = t_l >> 8; \ 487 *t_cp = t_l; \ 488 (cp) += NS_INT32SZ; \ 489} while (0) 490 491/* 492 * ANSI C identifier hiding for bind's lib/nameser. 493 */ 494#define ns_msg_getflag res_9_ns_msg_getflag 495#define ns_get16 res_9_ns_get16 496#define ns_get32 res_9_ns_get32 497#define ns_put16 res_9_ns_put16 498#define ns_put32 res_9_ns_put32 499#define ns_initparse res_9_ns_initparse 500#define ns_skiprr res_9_ns_skiprr 501#define ns_parserr res_9_ns_parserr 502#define ns_sprintrr res_9_ns_sprintrr 503#define ns_sprintrrf res_9_ns_sprintrrf 504#define ns_format_ttl res_9_ns_format_ttl 505#define ns_parse_ttl res_9_ns_parse_ttl 506#define ns_datetosecs res_9_ns_datetosecs 507#define ns_name_ntol res_9_ns_name_ntol 508#define ns_name_ntop res_9_ns_name_ntop 509#define ns_name_pton res_9_ns_name_pton 510#define ns_name_unpack res_9_ns_name_unpack 511#define ns_name_pack res_9_ns_name_pack 512#define ns_name_compress res_9_ns_name_compress 513#define ns_name_uncompress res_9_ns_name_uncompress 514#define ns_name_skip res_9_ns_name_skip 515#define ns_name_rollback res_9_ns_name_rollback 516#define ns_sign res_9_ns_sign 517#define ns_sign2 res_9_ns_sign2 518#define ns_sign_tcp res_9_ns_sign_tcp 519#define ns_sign_tcp2 res_9_ns_sign_tcp2 520#define ns_sign_tcp_init res_9_ns_sign_tcp_init 521#define ns_find_tsig res_9_ns_find_tsig 522#define ns_verify res_9_ns_verify 523#define ns_verify_tcp res_9_ns_verify_tcp 524#define ns_verify_tcp_init res_9_ns_verify_tcp_init 525#define ns_samedomain res_9_ns_samedomain 526#define ns_subdomain res_9_ns_subdomain 527#define ns_makecanon res_9_ns_makecanon 528#define ns_samename res_9_ns_samename 529 530__BEGIN_DECLS 531int ns_msg_getflag __P((ns_msg, int)); 532u_int ns_get16 __P((const u_char *)); 533u_long ns_get32 __P((const u_char *)); 534void ns_put16 __P((u_int, u_char *)); 535void ns_put32 __P((u_long, u_char *)); 536int ns_initparse __P((const u_char *, int, ns_msg *)); 537int ns_skiprr __P((const u_char *, const u_char *, ns_sect, int)); 538int ns_parserr __P((ns_msg *, ns_sect, int, ns_rr *)); 539int ns_sprintrr __P((const ns_msg *, const ns_rr *, 540 const char *, const char *, char *, size_t)); 541int ns_sprintrrf __P((const u_char *, size_t, const char *, 542 ns_class, ns_type, u_long, const u_char *, 543 size_t, const char *, const char *, 544 char *, size_t)); 545int ns_format_ttl __P((u_long, char *, size_t)); 546int ns_parse_ttl __P((const char *, u_long *)); 547u_int32_t ns_datetosecs __P((const char *cp, int *errp)); 548int ns_name_ntol __P((const u_char *, u_char *, size_t)); 549int ns_name_ntop __P((const u_char *, char *, size_t)); 550int ns_name_pton __P((const char *, u_char *, size_t)); 551int ns_name_unpack __P((const u_char *, const u_char *, 552 const u_char *, u_char *, size_t)); 553int ns_name_pack __P((const u_char *, u_char *, int, 554 const u_char **, const u_char **)); 555int ns_name_uncompress __P((const u_char *, const u_char *, 556 const u_char *, char *, size_t)); 557int ns_name_compress __P((const char *, u_char *, size_t, 558 const u_char **, const u_char **)); 559int ns_name_skip __P((const u_char **, const u_char *)); 560void ns_name_rollback __P((const u_char *, const u_char **, 561 const u_char **)); 562int ns_sign __P((u_char *, int *, int, int, void *, 563 const u_char *, int, u_char *, int *, time_t)); 564int ns_sign2 __P((u_char *, int *, int, int, void *, 565 const u_char *, int, u_char *, int *, time_t, 566 u_char **, u_char **)); 567int ns_sign_tcp __P((u_char *, int *, int, int, 568 ns_tcp_tsig_state *, int)); 569int ns_sign_tcp2 __P((u_char *, int *, int, int, 570 ns_tcp_tsig_state *, int, 571 u_char **, u_char **)); 572int ns_sign_tcp_init __P((void *, const u_char *, int, 573 ns_tcp_tsig_state *)); 574u_char *ns_find_tsig __P((u_char *, u_char *)); 575int ns_verify __P((u_char *, int *, void *, 576 const u_char *, int, u_char *, int *, 577 time_t *, int)); 578int ns_verify_tcp __P((u_char *, int *, ns_tcp_tsig_state *, int)); 579int ns_verify_tcp_init __P((void *, const u_char *, int, 580 ns_tcp_tsig_state *)); 581int ns_samedomain __P((const char *, const char *)); 582int ns_subdomain __P((const char *, const char *)); 583int ns_makecanon __P((const char *, char *, size_t)); 584int ns_samename __P((const char *, const char *)); 585__END_DECLS 586 587#endif /* !_NAMESER_9_H_ */ 588