nameser.h revision 1.1.1.6
1 /* $NetBSD: nameser.h,v 1.1.1.6 2007/03/30 19:48:21 ghen Exp $ */ 2 3 /* 4 * Copyright (c) 1983, 1989, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 /* 37 * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") 38 * Copyright (c) 1996-1999 by Internet Software Consortium. 39 * 40 * Permission to use, copy, modify, and distribute this software for any 41 * purpose with or without fee is hereby granted, provided that the above 42 * copyright notice and this permission notice appear in all copies. 43 * 44 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES 45 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 46 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR 47 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 48 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 49 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT 50 * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 51 */ 52 53 /* 54 * Id: nameser.h,v 1.7.18.1 2005/04/27 05:00:50 sra Exp 55 */ 56 57 #ifndef _ARPA_NAMESER_H_ 58 #define _ARPA_NAMESER_H_ 59 60 /*! \file */ 61 62 #define BIND_4_COMPAT 63 64 #include <sys/param.h> 65 #if (!defined(BSD)) || (BSD < 199306) 66 # include <sys/bitypes.h> 67 #else 68 # include <sys/types.h> 69 #endif 70 #include <sys/cdefs.h> 71 72 /*% 73 * Revision information. This is the release date in YYYYMMDD format. 74 * It can change every day so the right thing to do with it is use it 75 * in preprocessor commands such as "#if (__NAMESER > 19931104)". Do not 76 * compare for equality; rather, use it to determine whether your libbind.a 77 * contains a new enough lib/nameser/ to support the feature you need. 78 */ 79 80 #define __NAMESER 19991006 /*%< New interface version stamp. */ 81 /* 82 * Define constants based on RFC0883, RFC1034, RFC 1035 83 */ 84 #define NS_PACKETSZ 512 /*%< default UDP packet size */ 85 #define NS_MAXDNAME 1025 /*%< maximum domain name */ 86 #define NS_MAXMSG 65535 /*%< maximum message size */ 87 #define NS_MAXCDNAME 255 /*%< maximum compressed domain name */ 88 #define NS_MAXLABEL 63 /*%< maximum length of domain label */ 89 #define NS_HFIXEDSZ 12 /*%< #/bytes of fixed data in header */ 90 #define NS_QFIXEDSZ 4 /*%< #/bytes of fixed data in query */ 91 #define NS_RRFIXEDSZ 10 /*%< #/bytes of fixed data in r record */ 92 #define NS_INT32SZ 4 /*%< #/bytes of data in a u_int32_t */ 93 #define NS_INT16SZ 2 /*%< #/bytes of data in a u_int16_t */ 94 #define NS_INT8SZ 1 /*%< #/bytes of data in a u_int8_t */ 95 #define NS_INADDRSZ 4 /*%< IPv4 T_A */ 96 #define NS_IN6ADDRSZ 16 /*%< IPv6 T_AAAA */ 97 #define NS_CMPRSFLGS 0xc0 /*%< Flag bits indicating name compression. */ 98 #define NS_DEFAULTPORT 53 /*%< For both TCP and UDP. */ 99 /* 100 * These can be expanded with synonyms, just keep ns_parse.c:ns_parserecord() 101 * in synch with it. 102 */ 103 typedef 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 typedef struct __ns_msg { 120 const u_char *_msg, *_eom; 121 u_int16_t _id, _flags, _counts[ns_s_max]; 122 const u_char *_sections[ns_s_max]; 123 ns_sect _sect; 124 int _rrnum; 125 const u_char *_msg_ptr; 126 } ns_msg; 127 128 /* Private data structure - do not use from outside library. */ 129 struct _ns_flagdata { int mask, shift; }; 130 extern struct _ns_flagdata _ns_flagdata[]; 131 132 /* Accessor macros - this is part of the public interface. */ 133 134 #define ns_msg_id(handle) ((handle)._id + 0) 135 #define ns_msg_base(handle) ((handle)._msg + 0) 136 #define ns_msg_end(handle) ((handle)._eom + 0) 137 #define ns_msg_size(handle) ((handle)._eom - (handle)._msg) 138 #define ns_msg_count(handle, section) ((handle)._counts[section] + 0) 139 140 /*% 141 * This is a parsed record. It is caller allocated and has no dynamic data. 142 */ 143 typedef struct __ns_rr { 144 char name[NS_MAXDNAME]; 145 u_int16_t type; 146 u_int16_t rr_class; 147 u_int32_t ttl; 148 u_int16_t rdlength; 149 const u_char * rdata; 150 } ns_rr; 151 152 /* Accessor macros - this is part of the public interface. */ 153 #define ns_rr_name(rr) (((rr).name[0] != '\0') ? (rr).name : ".") 154 #define ns_rr_type(rr) ((ns_type)((rr).type + 0)) 155 #define ns_rr_class(rr) ((ns_class)((rr).rr_class + 0)) 156 #define ns_rr_ttl(rr) ((rr).ttl + 0) 157 #define ns_rr_rdlen(rr) ((rr).rdlength + 0) 158 #define ns_rr_rdata(rr) ((rr).rdata + 0) 159 160 /*% 161 * These don't have to be in the same order as in the packet flags word, 162 * and they can even overlap in some cases, but they will need to be kept 163 * in synch with ns_parse.c:ns_flagdata[]. 164 */ 165 typedef enum __ns_flag { 166 ns_f_qr, /*%< Question/Response. */ 167 ns_f_opcode, /*%< Operation code. */ 168 ns_f_aa, /*%< Authoritative Answer. */ 169 ns_f_tc, /*%< Truncation occurred. */ 170 ns_f_rd, /*%< Recursion Desired. */ 171 ns_f_ra, /*%< Recursion Available. */ 172 ns_f_z, /*%< MBZ. */ 173 ns_f_ad, /*%< Authentic Data (DNSSEC). */ 174 ns_f_cd, /*%< Checking Disabled (DNSSEC). */ 175 ns_f_rcode, /*%< Response code. */ 176 ns_f_max 177 } ns_flag; 178 179 /*% 180 * Currently defined opcodes. 181 */ 182 typedef enum __ns_opcode { 183 ns_o_query = 0, /*%< Standard query. */ 184 ns_o_iquery = 1, /*%< Inverse query (deprecated/unsupported). */ 185 ns_o_status = 2, /*%< Name server status query (unsupported). */ 186 /* Opcode 3 is undefined/reserved. */ 187 ns_o_notify = 4, /*%< Zone change notification. */ 188 ns_o_update = 5, /*%< Zone update message. */ 189 ns_o_max = 6 190 } ns_opcode; 191 192 /*% 193 * Currently defined response codes. 194 */ 195 typedef enum __ns_rcode { 196 ns_r_noerror = 0, /*%< No error occurred. */ 197 ns_r_formerr = 1, /*%< Format error. */ 198 ns_r_servfail = 2, /*%< Server failure. */ 199 ns_r_nxdomain = 3, /*%< Name error. */ 200 ns_r_notimpl = 4, /*%< Unimplemented. */ 201 ns_r_refused = 5, /*%< Operation refused. */ 202 /* these are for BIND_UPDATE */ 203 ns_r_yxdomain = 6, /*%< Name exists */ 204 ns_r_yxrrset = 7, /*%< RRset exists */ 205 ns_r_nxrrset = 8, /*%< RRset does not exist */ 206 ns_r_notauth = 9, /*%< Not authoritative for zone */ 207 ns_r_notzone = 10, /*%< Zone of record different from zone section */ 208 ns_r_max = 11, 209 /* The following are EDNS extended rcodes */ 210 ns_r_badvers = 16, 211 /* The following are TSIG errors */ 212 ns_r_badsig = 16, 213 ns_r_badkey = 17, 214 ns_r_badtime = 18 215 } ns_rcode; 216 217 /* BIND_UPDATE */ 218 typedef enum __ns_update_operation { 219 ns_uop_delete = 0, 220 ns_uop_add = 1, 221 ns_uop_max = 2 222 } ns_update_operation; 223 224 /*% 225 * This structure is used for TSIG authenticated messages 226 */ 227 struct ns_tsig_key { 228 char name[NS_MAXDNAME], alg[NS_MAXDNAME]; 229 unsigned char *data; 230 int len; 231 }; 232 typedef struct ns_tsig_key ns_tsig_key; 233 234 /*% 235 * This structure is used for TSIG authenticated TCP messages 236 */ 237 struct ns_tcp_tsig_state { 238 int counter; 239 struct dst_key *key; 240 void *ctx; 241 unsigned char sig[NS_PACKETSZ]; 242 int siglen; 243 }; 244 typedef struct ns_tcp_tsig_state ns_tcp_tsig_state; 245 246 #define NS_TSIG_FUDGE 300 247 #define NS_TSIG_TCP_COUNT 100 248 #define NS_TSIG_ALG_HMAC_MD5 "HMAC-MD5.SIG-ALG.REG.INT" 249 250 #define NS_TSIG_ERROR_NO_TSIG -10 251 #define NS_TSIG_ERROR_NO_SPACE -11 252 #define NS_TSIG_ERROR_FORMERR -12 253 254 /*% 255 * Currently defined type values for resources and queries. 256 */ 257 typedef enum __ns_type { 258 ns_t_invalid = 0, /*%< Cookie. */ 259 ns_t_a = 1, /*%< Host address. */ 260 ns_t_ns = 2, /*%< Authoritative server. */ 261 ns_t_md = 3, /*%< Mail destination. */ 262 ns_t_mf = 4, /*%< Mail forwarder. */ 263 ns_t_cname = 5, /*%< Canonical name. */ 264 ns_t_soa = 6, /*%< Start of authority zone. */ 265 ns_t_mb = 7, /*%< Mailbox domain name. */ 266 ns_t_mg = 8, /*%< Mail group member. */ 267 ns_t_mr = 9, /*%< Mail rename name. */ 268 ns_t_null = 10, /*%< Null resource record. */ 269 ns_t_wks = 11, /*%< Well known service. */ 270 ns_t_ptr = 12, /*%< Domain name pointer. */ 271 ns_t_hinfo = 13, /*%< Host information. */ 272 ns_t_minfo = 14, /*%< Mailbox information. */ 273 ns_t_mx = 15, /*%< Mail routing information. */ 274 ns_t_txt = 16, /*%< Text strings. */ 275 ns_t_rp = 17, /*%< Responsible person. */ 276 ns_t_afsdb = 18, /*%< AFS cell database. */ 277 ns_t_x25 = 19, /*%< X_25 calling address. */ 278 ns_t_isdn = 20, /*%< ISDN calling address. */ 279 ns_t_rt = 21, /*%< Router. */ 280 ns_t_nsap = 22, /*%< NSAP address. */ 281 ns_t_nsap_ptr = 23, /*%< Reverse NSAP lookup (deprecated). */ 282 ns_t_sig = 24, /*%< Security signature. */ 283 ns_t_key = 25, /*%< Security key. */ 284 ns_t_px = 26, /*%< X.400 mail mapping. */ 285 ns_t_gpos = 27, /*%< Geographical position (withdrawn). */ 286 ns_t_aaaa = 28, /*%< Ip6 Address. */ 287 ns_t_loc = 29, /*%< Location Information. */ 288 ns_t_nxt = 30, /*%< Next domain (security). */ 289 ns_t_eid = 31, /*%< Endpoint identifier. */ 290 ns_t_nimloc = 32, /*%< Nimrod Locator. */ 291 ns_t_srv = 33, /*%< Server Selection. */ 292 ns_t_atma = 34, /*%< ATM Address */ 293 ns_t_naptr = 35, /*%< Naming Authority PoinTeR */ 294 ns_t_kx = 36, /*%< Key Exchange */ 295 ns_t_cert = 37, /*%< Certification record */ 296 ns_t_a6 = 38, /*%< IPv6 address (deprecates AAAA) */ 297 ns_t_dname = 39, /*%< Non-terminal DNAME (for IPv6) */ 298 ns_t_sink = 40, /*%< Kitchen sink (experimentatl) */ 299 ns_t_opt = 41, /*%< EDNS0 option (meta-RR) */ 300 ns_t_apl = 42, /*%< Address prefix list (RFC3123) */ 301 ns_t_tkey = 249, /*%< Transaction key */ 302 ns_t_tsig = 250, /*%< Transaction signature. */ 303 ns_t_ixfr = 251, /*%< Incremental zone transfer. */ 304 ns_t_axfr = 252, /*%< Transfer zone of authority. */ 305 ns_t_mailb = 253, /*%< Transfer mailbox records. */ 306 ns_t_maila = 254, /*%< Transfer mail agent records. */ 307 ns_t_any = 255, /*%< Wildcard match. */ 308 ns_t_zxfr = 256, /*%< BIND-specific, nonstandard. */ 309 ns_t_max = 65536 310 } ns_type; 311 312 /* Exclusively a QTYPE? (not also an RTYPE) */ 313 #define ns_t_qt_p(t) (ns_t_xfr_p(t) || (t) == ns_t_any || \ 314 (t) == ns_t_mailb || (t) == ns_t_maila) 315 /* Some kind of meta-RR? (not a QTYPE, but also not an RTYPE) */ 316 #define ns_t_mrr_p(t) ((t) == ns_t_tsig || (t) == ns_t_opt) 317 /* Exclusively an RTYPE? (not also a QTYPE or a meta-RR) */ 318 #define ns_t_rr_p(t) (!ns_t_qt_p(t) && !ns_t_mrr_p(t)) 319 #define ns_t_udp_p(t) ((t) != ns_t_axfr && (t) != ns_t_zxfr) 320 #define ns_t_xfr_p(t) ((t) == ns_t_axfr || (t) == ns_t_ixfr || \ 321 (t) == ns_t_zxfr) 322 323 /*% 324 * Values for class field 325 */ 326 typedef enum __ns_class { 327 ns_c_invalid = 0, /*%< Cookie. */ 328 ns_c_in = 1, /*%< Internet. */ 329 ns_c_2 = 2, /*%< unallocated/unsupported. */ 330 ns_c_chaos = 3, /*%< MIT Chaos-net. */ 331 ns_c_hs = 4, /*%< MIT Hesiod. */ 332 /* Query class values which do not appear in resource records */ 333 ns_c_none = 254, /*%< for prereq. sections in update requests */ 334 ns_c_any = 255, /*%< Wildcard match. */ 335 ns_c_max = 65536 336 } ns_class; 337 338 /* DNSSEC constants. */ 339 340 typedef enum __ns_key_types { 341 ns_kt_rsa = 1, /*%< key type RSA/MD5 */ 342 ns_kt_dh = 2, /*%< Diffie Hellman */ 343 ns_kt_dsa = 3, /*%< Digital Signature Standard (MANDATORY) */ 344 ns_kt_private = 254 /*%< Private key type starts with OID */ 345 } ns_key_types; 346 347 typedef enum __ns_cert_types { 348 cert_t_pkix = 1, /*%< PKIX (X.509v3) */ 349 cert_t_spki = 2, /*%< SPKI */ 350 cert_t_pgp = 3, /*%< PGP */ 351 cert_t_url = 253, /*%< URL private type */ 352 cert_t_oid = 254 /*%< OID private type */ 353 } ns_cert_types; 354 355 /* Flags field of the KEY RR rdata. */ 356 #define NS_KEY_TYPEMASK 0xC000 /*%< Mask for "type" bits */ 357 #define NS_KEY_TYPE_AUTH_CONF 0x0000 /*%< Key usable for both */ 358 #define NS_KEY_TYPE_CONF_ONLY 0x8000 /*%< Key usable for confidentiality */ 359 #define NS_KEY_TYPE_AUTH_ONLY 0x4000 /*%< Key usable for authentication */ 360 #define NS_KEY_TYPE_NO_KEY 0xC000 /*%< No key usable for either; no key */ 361 /* The type bits can also be interpreted independently, as single bits: */ 362 #define NS_KEY_NO_AUTH 0x8000 /*%< Key unusable for authentication */ 363 #define NS_KEY_NO_CONF 0x4000 /*%< Key unusable for confidentiality */ 364 #define NS_KEY_RESERVED2 0x2000 /* Security is *mandatory* if bit=0 */ 365 #define NS_KEY_EXTENDED_FLAGS 0x1000 /*%< reserved - must be zero */ 366 #define NS_KEY_RESERVED4 0x0800 /*%< reserved - must be zero */ 367 #define NS_KEY_RESERVED5 0x0400 /*%< reserved - must be zero */ 368 #define NS_KEY_NAME_TYPE 0x0300 /*%< these bits determine the type */ 369 #define NS_KEY_NAME_USER 0x0000 /*%< key is assoc. with user */ 370 #define NS_KEY_NAME_ENTITY 0x0200 /*%< key is assoc. with entity eg host */ 371 #define NS_KEY_NAME_ZONE 0x0100 /*%< key is zone key */ 372 #define NS_KEY_NAME_RESERVED 0x0300 /*%< reserved meaning */ 373 #define NS_KEY_RESERVED8 0x0080 /*%< reserved - must be zero */ 374 #define NS_KEY_RESERVED9 0x0040 /*%< reserved - must be zero */ 375 #define NS_KEY_RESERVED10 0x0020 /*%< reserved - must be zero */ 376 #define NS_KEY_RESERVED11 0x0010 /*%< reserved - must be zero */ 377 #define NS_KEY_SIGNATORYMASK 0x000F /*%< key can sign RR's of same name */ 378 #define NS_KEY_RESERVED_BITMASK ( NS_KEY_RESERVED2 | \ 379 NS_KEY_RESERVED4 | \ 380 NS_KEY_RESERVED5 | \ 381 NS_KEY_RESERVED8 | \ 382 NS_KEY_RESERVED9 | \ 383 NS_KEY_RESERVED10 | \ 384 NS_KEY_RESERVED11 ) 385 #define NS_KEY_RESERVED_BITMASK2 0xFFFF /*%< no bits defined here */ 386 /* The Algorithm field of the KEY and SIG RR's is an integer, {1..254} */ 387 #define NS_ALG_MD5RSA 1 /*%< MD5 with RSA */ 388 #define NS_ALG_DH 2 /*%< Diffie Hellman KEY */ 389 #define NS_ALG_DSA 3 /*%< DSA KEY */ 390 #define NS_ALG_DSS NS_ALG_DSA 391 #define NS_ALG_EXPIRE_ONLY 253 /*%< No alg, no security */ 392 #define NS_ALG_PRIVATE_OID 254 /*%< Key begins with OID giving alg */ 393 /* Protocol values */ 394 /* value 0 is reserved */ 395 #define NS_KEY_PROT_TLS 1 396 #define NS_KEY_PROT_EMAIL 2 397 #define NS_KEY_PROT_DNSSEC 3 398 #define NS_KEY_PROT_IPSEC 4 399 #define NS_KEY_PROT_ANY 255 400 401 /* Signatures */ 402 #define NS_MD5RSA_MIN_BITS 512 /*%< Size of a mod or exp in bits */ 403 #define NS_MD5RSA_MAX_BITS 4096 404 /* Total of binary mod and exp */ 405 #define NS_MD5RSA_MAX_BYTES ((NS_MD5RSA_MAX_BITS+7/8)*2+3) 406 /* Max length of text sig block */ 407 #define NS_MD5RSA_MAX_BASE64 (((NS_MD5RSA_MAX_BYTES+2)/3)*4) 408 #define NS_MD5RSA_MIN_SIZE ((NS_MD5RSA_MIN_BITS+7)/8) 409 #define NS_MD5RSA_MAX_SIZE ((NS_MD5RSA_MAX_BITS+7)/8) 410 411 #define NS_DSA_SIG_SIZE 41 412 #define NS_DSA_MIN_SIZE 213 413 #define NS_DSA_MAX_BYTES 405 414 415 /* Offsets into SIG record rdata to find various values */ 416 #define NS_SIG_TYPE 0 /*%< Type flags */ 417 #define NS_SIG_ALG 2 /*%< Algorithm */ 418 #define NS_SIG_LABELS 3 /*%< How many labels in name */ 419 #define NS_SIG_OTTL 4 /*%< Original TTL */ 420 #define NS_SIG_EXPIR 8 /*%< Expiration time */ 421 #define NS_SIG_SIGNED 12 /*%< Signature time */ 422 #define NS_SIG_FOOT 16 /*%< Key footprint */ 423 #define NS_SIG_SIGNER 18 /*%< Domain name of who signed it */ 424 /* How RR types are represented as bit-flags in NXT records */ 425 #define NS_NXT_BITS 8 426 #define NS_NXT_BIT_SET( n,p) (p[(n)/NS_NXT_BITS] |= (0x80>>((n)%NS_NXT_BITS))) 427 #define NS_NXT_BIT_CLEAR(n,p) (p[(n)/NS_NXT_BITS] &= ~(0x80>>((n)%NS_NXT_BITS))) 428 #define NS_NXT_BIT_ISSET(n,p) (p[(n)/NS_NXT_BITS] & (0x80>>((n)%NS_NXT_BITS))) 429 #define NS_NXT_MAX 127 430 431 /*% 432 * EDNS0 extended flags, host order. 433 */ 434 #define NS_OPT_DNSSEC_OK 0x8000U 435 436 /*% 437 * Inline versions of get/put short/long. Pointer is advanced. 438 */ 439 #define NS_GET16(s, cp) do { \ 440 register const u_char *t_cp = (const u_char *)(cp); \ 441 (s) = ((u_int16_t)t_cp[0] << 8) \ 442 | ((u_int16_t)t_cp[1]) \ 443 ; \ 444 (cp) += NS_INT16SZ; \ 445 } while (0) 446 447 #define NS_GET32(l, cp) do { \ 448 register const u_char *t_cp = (const u_char *)(cp); \ 449 (l) = ((u_int32_t)t_cp[0] << 24) \ 450 | ((u_int32_t)t_cp[1] << 16) \ 451 | ((u_int32_t)t_cp[2] << 8) \ 452 | ((u_int32_t)t_cp[3]) \ 453 ; \ 454 (cp) += NS_INT32SZ; \ 455 } while (0) 456 457 #define NS_PUT16(s, cp) do { \ 458 register u_int16_t t_s = (u_int16_t)(s); \ 459 register u_char *t_cp = (u_char *)(cp); \ 460 *t_cp++ = t_s >> 8; \ 461 *t_cp = t_s; \ 462 (cp) += NS_INT16SZ; \ 463 } while (0) 464 465 #define NS_PUT32(l, cp) do { \ 466 register u_int32_t t_l = (u_int32_t)(l); \ 467 register u_char *t_cp = (u_char *)(cp); \ 468 *t_cp++ = t_l >> 24; \ 469 *t_cp++ = t_l >> 16; \ 470 *t_cp++ = t_l >> 8; \ 471 *t_cp = t_l; \ 472 (cp) += NS_INT32SZ; \ 473 } while (0) 474 475 /*% 476 * ANSI C identifier hiding for bind's lib/nameser. 477 */ 478 #define ns_msg_getflag __ns_msg_getflag 479 #define ns_get16 __ns_get16 480 #define ns_get32 __ns_get32 481 #define ns_put16 __ns_put16 482 #define ns_put32 __ns_put32 483 #define ns_initparse __ns_initparse 484 #define ns_skiprr __ns_skiprr 485 #define ns_parserr __ns_parserr 486 #define ns_sprintrr __ns_sprintrr 487 #define ns_sprintrrf __ns_sprintrrf 488 #define ns_format_ttl __ns_format_ttl 489 #define ns_parse_ttl __ns_parse_ttl 490 #define ns_datetosecs __ns_datetosecs 491 #define ns_name_ntol __ns_name_ntol 492 #define ns_name_ntop __ns_name_ntop 493 #define ns_name_pton __ns_name_pton 494 #define ns_name_unpack __ns_name_unpack 495 #define ns_name_pack __ns_name_pack 496 #define ns_name_compress __ns_name_compress 497 #define ns_name_uncompress __ns_name_uncompress 498 #define ns_name_skip __ns_name_skip 499 #define ns_name_rollback __ns_name_rollback 500 #define ns_sign __ns_sign 501 #define ns_sign2 __ns_sign2 502 #define ns_sign_tcp __ns_sign_tcp 503 #define ns_sign_tcp2 __ns_sign_tcp2 504 #define ns_sign_tcp_init __ns_sign_tcp_init 505 #define ns_find_tsig __ns_find_tsig 506 #define ns_verify __ns_verify 507 #define ns_verify_tcp __ns_verify_tcp 508 #define ns_verify_tcp_init __ns_verify_tcp_init 509 #define ns_samedomain __ns_samedomain 510 #define ns_subdomain __ns_subdomain 511 #define ns_makecanon __ns_makecanon 512 #define ns_samename __ns_samename 513 514 __BEGIN_DECLS 515 int ns_msg_getflag __P((ns_msg, int)); 516 u_int ns_get16 __P((const u_char *)); 517 u_long ns_get32 __P((const u_char *)); 518 void ns_put16 __P((u_int, u_char *)); 519 void ns_put32 __P((u_long, u_char *)); 520 int ns_initparse __P((const u_char *, int, ns_msg *)); 521 int ns_skiprr __P((const u_char *, const u_char *, ns_sect, int)); 522 int ns_parserr __P((ns_msg *, ns_sect, int, ns_rr *)); 523 int ns_sprintrr __P((const ns_msg *, const ns_rr *, 524 const char *, const char *, char *, size_t)); 525 int ns_sprintrrf __P((const u_char *, size_t, const char *, 526 ns_class, ns_type, u_long, const u_char *, 527 size_t, const char *, const char *, 528 char *, size_t)); 529 int ns_format_ttl __P((u_long, char *, size_t)); 530 int ns_parse_ttl __P((const char *, u_long *)); 531 u_int32_t ns_datetosecs __P((const char *cp, int *errp)); 532 int ns_name_ntol __P((const u_char *, u_char *, size_t)); 533 int ns_name_ntop __P((const u_char *, char *, size_t)); 534 int ns_name_pton __P((const char *, u_char *, size_t)); 535 int ns_name_unpack __P((const u_char *, const u_char *, 536 const u_char *, u_char *, size_t)); 537 int ns_name_pack __P((const u_char *, u_char *, int, 538 const u_char **, const u_char **)); 539 int ns_name_uncompress __P((const u_char *, const u_char *, 540 const u_char *, char *, size_t)); 541 int ns_name_compress __P((const char *, u_char *, size_t, 542 const u_char **, const u_char **)); 543 int ns_name_skip __P((const u_char **, const u_char *)); 544 void ns_name_rollback __P((const u_char *, const u_char **, 545 const u_char **)); 546 int ns_sign __P((u_char *, int *, int, int, void *, 547 const u_char *, int, u_char *, int *, time_t)); 548 int ns_sign2 __P((u_char *, int *, int, int, void *, 549 const u_char *, int, u_char *, int *, time_t, 550 u_char **, u_char **)); 551 int ns_sign_tcp __P((u_char *, int *, int, int, 552 ns_tcp_tsig_state *, int)); 553 int ns_sign_tcp2 __P((u_char *, int *, int, int, 554 ns_tcp_tsig_state *, int, 555 u_char **, u_char **)); 556 int ns_sign_tcp_init __P((void *, const u_char *, int, 557 ns_tcp_tsig_state *)); 558 u_char *ns_find_tsig __P((u_char *, u_char *)); 559 int ns_verify __P((u_char *, int *, void *, 560 const u_char *, int, u_char *, int *, 561 time_t *, int)); 562 int ns_verify_tcp __P((u_char *, int *, ns_tcp_tsig_state *, int)); 563 int ns_verify_tcp_init __P((void *, const u_char *, int, 564 ns_tcp_tsig_state *)); 565 int ns_samedomain __P((const char *, const char *)); 566 int ns_subdomain __P((const char *, const char *)); 567 int ns_makecanon __P((const char *, char *, size_t)); 568 int ns_samename __P((const char *, const char *)); 569 __END_DECLS 570 571 #ifdef BIND_4_COMPAT 572 #include <arpa/nameser_compat.h> 573 #endif 574 575 #endif /* !_ARPA_NAMESER_H_ */ 576 /*! \file */ 577
Indexes created Tue Oct 21 19:09:51 GMT 2025