nameser.h revision 1.1.1.5
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) 2004 by Internet Systems Consortium, Inc. ("ISC") 36 * Copyright (c) 1996-1999 by Internet Software Consortium. 37 * 38 * Permission to use, copy, modify, and distribute this software for any 39 * purpose with or without fee is hereby granted, provided that the above 40 * copyright notice and this permission notice appear in all copies. 41 * 42 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES 43 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 44 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR 45 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 46 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 47 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT 48 * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 49 */ 50 51 /* 52 * $Id: nameser.h,v 1.1.1.5 2007/01/27 19:49:27 christos Exp $ 53 */ 54 55 #ifndef _ARPA_NAMESER_H_ 56 #define _ARPA_NAMESER_H_ 57 58 /*! \file */ 59 60 #define BIND_4_COMPAT 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 * Define constants based on RFC0883, RFC1034, RFC 1035 81 */ 82 #define NS_PACKETSZ 512 /*%< default UDP packet size */ 83 #define NS_MAXDNAME 1025 /*%< maximum domain name */ 84 #define NS_MAXMSG 65535 /*%< maximum message size */ 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 * These can be expanded with synonyms, just keep ns_parse.c:ns_parserecord() 99 * in synch with it. 100 */ 101 typedef enum __ns_sect { 102 ns_s_qd = 0, /*%< Query: Question. */ 103 ns_s_zn = 0, /*%< Update: Zone. */ 104 ns_s_an = 1, /*%< Query: Answer. */ 105 ns_s_pr = 1, /*%< Update: Prerequisites. */ 106 ns_s_ns = 2, /*%< Query: Name servers. */ 107 ns_s_ud = 2, /*%< Update: Update. */ 108 ns_s_ar = 3, /*%< Query|Update: Additional records. */ 109 ns_s_max = 4 110 } ns_sect; 111 112 /*% 113 * This is a message handle. It is caller allocated and has no dynamic data. 114 * This structure is intended to be opaque to all but ns_parse.c, thus the 115 * leading _'s on the member names. Use the accessor functions, not the _'s. 116 */ 117 typedef struct __ns_msg { 118 const u_char *_msg, *_eom; 119 u_int16_t _id, _flags, _counts[ns_s_max]; 120 const u_char *_sections[ns_s_max]; 121 ns_sect _sect; 122 int _rrnum; 123 const u_char *_msg_ptr; 124 } ns_msg; 125 126 /* Private data structure - do not use from outside library. */ 127 struct _ns_flagdata { int mask, shift; }; 128 extern struct _ns_flagdata _ns_flagdata[]; 129 130 /* Accessor macros - this is part of the public interface. */ 131 132 #define ns_msg_id(handle) ((handle)._id + 0) 133 #define ns_msg_base(handle) ((handle)._msg + 0) 134 #define ns_msg_end(handle) ((handle)._eom + 0) 135 #define ns_msg_size(handle) ((handle)._eom - (handle)._msg) 136 #define ns_msg_count(handle, section) ((handle)._counts[section] + 0) 137 138 /*% 139 * This is a parsed record. It is caller allocated and has no dynamic data. 140 */ 141 typedef struct __ns_rr { 142 char name[NS_MAXDNAME]; 143 u_int16_t type; 144 u_int16_t rr_class; 145 u_int32_t ttl; 146 u_int16_t rdlength; 147 const u_char * rdata; 148 } ns_rr; 149 150 /* Accessor macros - this is part of the public interface. */ 151 #define ns_rr_name(rr) (((rr).name[0] != '\0') ? (rr).name : ".") 152 #define ns_rr_type(rr) ((ns_type)((rr).type + 0)) 153 #define ns_rr_class(rr) ((ns_class)((rr).rr_class + 0)) 154 #define ns_rr_ttl(rr) ((rr).ttl + 0) 155 #define ns_rr_rdlen(rr) ((rr).rdlength + 0) 156 #define ns_rr_rdata(rr) ((rr).rdata + 0) 157 158 /*% 159 * These don't have to be in the same order as in the packet flags word, 160 * and they can even overlap in some cases, but they will need to be kept 161 * in synch with ns_parse.c:ns_flagdata[]. 162 */ 163 typedef enum __ns_flag { 164 ns_f_qr, /*%< Question/Response. */ 165 ns_f_opcode, /*%< Operation code. */ 166 ns_f_aa, /*%< Authoritative Answer. */ 167 ns_f_tc, /*%< Truncation occurred. */ 168 ns_f_rd, /*%< Recursion Desired. */ 169 ns_f_ra, /*%< Recursion Available. */ 170 ns_f_z, /*%< MBZ. */ 171 ns_f_ad, /*%< Authentic Data (DNSSEC). */ 172 ns_f_cd, /*%< Checking Disabled (DNSSEC). */ 173 ns_f_rcode, /*%< Response code. */ 174 ns_f_max 175 } ns_flag; 176 177 /*% 178 * Currently defined opcodes. 179 */ 180 typedef enum __ns_opcode { 181 ns_o_query = 0, /*%< Standard query. */ 182 ns_o_iquery = 1, /*%< Inverse query (deprecated/unsupported). */ 183 ns_o_status = 2, /*%< Name server status query (unsupported). */ 184 /* Opcode 3 is undefined/reserved. */ 185 ns_o_notify = 4, /*%< Zone change notification. */ 186 ns_o_update = 5, /*%< Zone update message. */ 187 ns_o_max = 6 188 } ns_opcode; 189 190 /*% 191 * Currently defined response codes. 192 */ 193 typedef enum __ns_rcode { 194 ns_r_noerror = 0, /*%< No error occurred. */ 195 ns_r_formerr = 1, /*%< Format error. */ 196 ns_r_servfail = 2, /*%< Server failure. */ 197 ns_r_nxdomain = 3, /*%< Name error. */ 198 ns_r_notimpl = 4, /*%< Unimplemented. */ 199 ns_r_refused = 5, /*%< Operation refused. */ 200 /* these are for BIND_UPDATE */ 201 ns_r_yxdomain = 6, /*%< Name exists */ 202 ns_r_yxrrset = 7, /*%< RRset exists */ 203 ns_r_nxrrset = 8, /*%< RRset does not exist */ 204 ns_r_notauth = 9, /*%< Not authoritative for zone */ 205 ns_r_notzone = 10, /*%< Zone of record different from zone section */ 206 ns_r_max = 11, 207 /* The following are EDNS extended rcodes */ 208 ns_r_badvers = 16, 209 /* The following are TSIG errors */ 210 ns_r_badsig = 16, 211 ns_r_badkey = 17, 212 ns_r_badtime = 18 213 } ns_rcode; 214 215 /* BIND_UPDATE */ 216 typedef enum __ns_update_operation { 217 ns_uop_delete = 0, 218 ns_uop_add = 1, 219 ns_uop_max = 2 220 } ns_update_operation; 221 222 /*% 223 * This structure is used for TSIG authenticated messages 224 */ 225 struct ns_tsig_key { 226 char name[NS_MAXDNAME], alg[NS_MAXDNAME]; 227 unsigned char *data; 228 int len; 229 }; 230 typedef struct ns_tsig_key ns_tsig_key; 231 232 /*% 233 * This structure is used for TSIG authenticated TCP messages 234 */ 235 struct ns_tcp_tsig_state { 236 int counter; 237 struct dst_key *key; 238 void *ctx; 239 unsigned char sig[NS_PACKETSZ]; 240 int siglen; 241 }; 242 typedef struct ns_tcp_tsig_state ns_tcp_tsig_state; 243 244 #define NS_TSIG_FUDGE 300 245 #define NS_TSIG_TCP_COUNT 100 246 #define NS_TSIG_ALG_HMAC_MD5 "HMAC-MD5.SIG-ALG.REG.INT" 247 248 #define NS_TSIG_ERROR_NO_TSIG -10 249 #define NS_TSIG_ERROR_NO_SPACE -11 250 #define NS_TSIG_ERROR_FORMERR -12 251 252 /*% 253 * Currently defined type values for resources and queries. 254 */ 255 typedef enum __ns_type { 256 ns_t_invalid = 0, /*%< Cookie. */ 257 ns_t_a = 1, /*%< Host address. */ 258 ns_t_ns = 2, /*%< Authoritative server. */ 259 ns_t_md = 3, /*%< Mail destination. */ 260 ns_t_mf = 4, /*%< Mail forwarder. */ 261 ns_t_cname = 5, /*%< Canonical name. */ 262 ns_t_soa = 6, /*%< Start of authority zone. */ 263 ns_t_mb = 7, /*%< Mailbox domain name. */ 264 ns_t_mg = 8, /*%< Mail group member. */ 265 ns_t_mr = 9, /*%< Mail rename name. */ 266 ns_t_null = 10, /*%< Null resource record. */ 267 ns_t_wks = 11, /*%< Well known service. */ 268 ns_t_ptr = 12, /*%< Domain name pointer. */ 269 ns_t_hinfo = 13, /*%< Host information. */ 270 ns_t_minfo = 14, /*%< Mailbox information. */ 271 ns_t_mx = 15, /*%< Mail routing information. */ 272 ns_t_txt = 16, /*%< Text strings. */ 273 ns_t_rp = 17, /*%< Responsible person. */ 274 ns_t_afsdb = 18, /*%< AFS cell database. */ 275 ns_t_x25 = 19, /*%< X_25 calling address. */ 276 ns_t_isdn = 20, /*%< ISDN calling address. */ 277 ns_t_rt = 21, /*%< Router. */ 278 ns_t_nsap = 22, /*%< NSAP address. */ 279 ns_t_nsap_ptr = 23, /*%< Reverse NSAP lookup (deprecated). */ 280 ns_t_sig = 24, /*%< Security signature. */ 281 ns_t_key = 25, /*%< Security key. */ 282 ns_t_px = 26, /*%< X.400 mail mapping. */ 283 ns_t_gpos = 27, /*%< Geographical position (withdrawn). */ 284 ns_t_aaaa = 28, /*%< Ip6 Address. */ 285 ns_t_loc = 29, /*%< Location Information. */ 286 ns_t_nxt = 30, /*%< Next domain (security). */ 287 ns_t_eid = 31, /*%< Endpoint identifier. */ 288 ns_t_nimloc = 32, /*%< Nimrod Locator. */ 289 ns_t_srv = 33, /*%< Server Selection. */ 290 ns_t_atma = 34, /*%< ATM Address */ 291 ns_t_naptr = 35, /*%< Naming Authority PoinTeR */ 292 ns_t_kx = 36, /*%< Key Exchange */ 293 ns_t_cert = 37, /*%< Certification record */ 294 ns_t_a6 = 38, /*%< IPv6 address (deprecates AAAA) */ 295 ns_t_dname = 39, /*%< Non-terminal DNAME (for IPv6) */ 296 ns_t_sink = 40, /*%< Kitchen sink (experimentatl) */ 297 ns_t_opt = 41, /*%< EDNS0 option (meta-RR) */ 298 ns_t_apl = 42, /*%< Address prefix list (RFC3123) */ 299 ns_t_tkey = 249, /*%< Transaction key */ 300 ns_t_tsig = 250, /*%< Transaction signature. */ 301 ns_t_ixfr = 251, /*%< Incremental zone transfer. */ 302 ns_t_axfr = 252, /*%< Transfer zone of authority. */ 303 ns_t_mailb = 253, /*%< Transfer mailbox records. */ 304 ns_t_maila = 254, /*%< Transfer mail agent records. */ 305 ns_t_any = 255, /*%< Wildcard match. */ 306 ns_t_zxfr = 256, /*%< BIND-specific, nonstandard. */ 307 ns_t_max = 65536 308 } ns_type; 309 310 /* Exclusively a QTYPE? (not also an RTYPE) */ 311 #define ns_t_qt_p(t) (ns_t_xfr_p(t) || (t) == ns_t_any || \ 312 (t) == ns_t_mailb || (t) == ns_t_maila) 313 /* Some kind of meta-RR? (not a QTYPE, but also not an RTYPE) */ 314 #define ns_t_mrr_p(t) ((t) == ns_t_tsig || (t) == ns_t_opt) 315 /* Exclusively an RTYPE? (not also a QTYPE or a meta-RR) */ 316 #define ns_t_rr_p(t) (!ns_t_qt_p(t) && !ns_t_mrr_p(t)) 317 #define ns_t_udp_p(t) ((t) != ns_t_axfr && (t) != ns_t_zxfr) 318 #define ns_t_xfr_p(t) ((t) == ns_t_axfr || (t) == ns_t_ixfr || \ 319 (t) == ns_t_zxfr) 320 321 /*% 322 * Values for class field 323 */ 324 typedef enum __ns_class { 325 ns_c_invalid = 0, /*%< Cookie. */ 326 ns_c_in = 1, /*%< Internet. */ 327 ns_c_2 = 2, /*%< unallocated/unsupported. */ 328 ns_c_chaos = 3, /*%< MIT Chaos-net. */ 329 ns_c_hs = 4, /*%< MIT Hesiod. */ 330 /* Query class values which do not appear in resource records */ 331 ns_c_none = 254, /*%< for prereq. sections in update requests */ 332 ns_c_any = 255, /*%< Wildcard match. */ 333 ns_c_max = 65536 334 } ns_class; 335 336 /* DNSSEC constants. */ 337 338 typedef enum __ns_key_types { 339 ns_kt_rsa = 1, /*%< key type RSA/MD5 */ 340 ns_kt_dh = 2, /*%< Diffie Hellman */ 341 ns_kt_dsa = 3, /*%< Digital Signature Standard (MANDATORY) */ 342 ns_kt_private = 254 /*%< Private key type starts with OID */ 343 } ns_key_types; 344 345 typedef enum __ns_cert_types { 346 cert_t_pkix = 1, /*%< PKIX (X.509v3) */ 347 cert_t_spki = 2, /*%< SPKI */ 348 cert_t_pgp = 3, /*%< PGP */ 349 cert_t_url = 253, /*%< URL private type */ 350 cert_t_oid = 254 /*%< OID private type */ 351 } ns_cert_types; 352 353 /* Flags field of the KEY RR rdata. */ 354 #define NS_KEY_TYPEMASK 0xC000 /*%< Mask for "type" bits */ 355 #define NS_KEY_TYPE_AUTH_CONF 0x0000 /*%< Key usable for both */ 356 #define NS_KEY_TYPE_CONF_ONLY 0x8000 /*%< Key usable for confidentiality */ 357 #define NS_KEY_TYPE_AUTH_ONLY 0x4000 /*%< Key usable for authentication */ 358 #define NS_KEY_TYPE_NO_KEY 0xC000 /*%< No key usable for either; no key */ 359 /* The type bits can also be interpreted independently, as single bits: */ 360 #define NS_KEY_NO_AUTH 0x8000 /*%< Key unusable for authentication */ 361 #define NS_KEY_NO_CONF 0x4000 /*%< Key unusable for confidentiality */ 362 #define NS_KEY_RESERVED2 0x2000 /* Security is *mandatory* if bit=0 */ 363 #define NS_KEY_EXTENDED_FLAGS 0x1000 /*%< reserved - must be zero */ 364 #define NS_KEY_RESERVED4 0x0800 /*%< reserved - must be zero */ 365 #define NS_KEY_RESERVED5 0x0400 /*%< reserved - must be zero */ 366 #define NS_KEY_NAME_TYPE 0x0300 /*%< these bits determine the type */ 367 #define NS_KEY_NAME_USER 0x0000 /*%< key is assoc. with user */ 368 #define NS_KEY_NAME_ENTITY 0x0200 /*%< key is assoc. with entity eg host */ 369 #define NS_KEY_NAME_ZONE 0x0100 /*%< key is zone key */ 370 #define NS_KEY_NAME_RESERVED 0x0300 /*%< reserved meaning */ 371 #define NS_KEY_RESERVED8 0x0080 /*%< reserved - must be zero */ 372 #define NS_KEY_RESERVED9 0x0040 /*%< reserved - must be zero */ 373 #define NS_KEY_RESERVED10 0x0020 /*%< reserved - must be zero */ 374 #define NS_KEY_RESERVED11 0x0010 /*%< reserved - must be zero */ 375 #define NS_KEY_SIGNATORYMASK 0x000F /*%< key can sign RR's of same name */ 376 #define NS_KEY_RESERVED_BITMASK ( NS_KEY_RESERVED2 | \ 377 NS_KEY_RESERVED4 | \ 378 NS_KEY_RESERVED5 | \ 379 NS_KEY_RESERVED8 | \ 380 NS_KEY_RESERVED9 | \ 381 NS_KEY_RESERVED10 | \ 382 NS_KEY_RESERVED11 ) 383 #define NS_KEY_RESERVED_BITMASK2 0xFFFF /*%< no bits defined here */ 384 /* The Algorithm field of the KEY and SIG RR's is an integer, {1..254} */ 385 #define NS_ALG_MD5RSA 1 /*%< MD5 with RSA */ 386 #define NS_ALG_DH 2 /*%< Diffie Hellman KEY */ 387 #define NS_ALG_DSA 3 /*%< DSA KEY */ 388 #define NS_ALG_DSS NS_ALG_DSA 389 #define NS_ALG_EXPIRE_ONLY 253 /*%< No alg, no security */ 390 #define NS_ALG_PRIVATE_OID 254 /*%< Key begins with OID giving alg */ 391 /* Protocol values */ 392 /* value 0 is reserved */ 393 #define NS_KEY_PROT_TLS 1 394 #define NS_KEY_PROT_EMAIL 2 395 #define NS_KEY_PROT_DNSSEC 3 396 #define NS_KEY_PROT_IPSEC 4 397 #define NS_KEY_PROT_ANY 255 398 399 /* Signatures */ 400 #define NS_MD5RSA_MIN_BITS 512 /*%< Size of a mod or exp in bits */ 401 #define NS_MD5RSA_MAX_BITS 4096 402 /* Total of binary mod and exp */ 403 #define NS_MD5RSA_MAX_BYTES ((NS_MD5RSA_MAX_BITS+7/8)*2+3) 404 /* Max length of text sig block */ 405 #define NS_MD5RSA_MAX_BASE64 (((NS_MD5RSA_MAX_BYTES+2)/3)*4) 406 #define NS_MD5RSA_MIN_SIZE ((NS_MD5RSA_MIN_BITS+7)/8) 407 #define NS_MD5RSA_MAX_SIZE ((NS_MD5RSA_MAX_BITS+7)/8) 408 409 #define NS_DSA_SIG_SIZE 41 410 #define NS_DSA_MIN_SIZE 213 411 #define NS_DSA_MAX_BYTES 405 412 413 /* Offsets into SIG record rdata to find various values */ 414 #define NS_SIG_TYPE 0 /*%< Type flags */ 415 #define NS_SIG_ALG 2 /*%< Algorithm */ 416 #define NS_SIG_LABELS 3 /*%< How many labels in name */ 417 #define NS_SIG_OTTL 4 /*%< Original TTL */ 418 #define NS_SIG_EXPIR 8 /*%< Expiration time */ 419 #define NS_SIG_SIGNED 12 /*%< Signature time */ 420 #define NS_SIG_FOOT 16 /*%< Key footprint */ 421 #define NS_SIG_SIGNER 18 /*%< Domain name of who signed it */ 422 /* How RR types are represented as bit-flags in NXT records */ 423 #define NS_NXT_BITS 8 424 #define NS_NXT_BIT_SET( n,p) (p[(n)/NS_NXT_BITS] |= (0x80>>((n)%NS_NXT_BITS))) 425 #define NS_NXT_BIT_CLEAR(n,p) (p[(n)/NS_NXT_BITS] &= ~(0x80>>((n)%NS_NXT_BITS))) 426 #define NS_NXT_BIT_ISSET(n,p) (p[(n)/NS_NXT_BITS] & (0x80>>((n)%NS_NXT_BITS))) 427 #define NS_NXT_MAX 127 428 429 /*% 430 * EDNS0 extended flags, host order. 431 */ 432 #define NS_OPT_DNSSEC_OK 0x8000U 433 434 /*% 435 * Inline versions of get/put short/long. Pointer is advanced. 436 */ 437 #define NS_GET16(s, cp) do { \ 438 register const u_char *t_cp = (const u_char *)(cp); \ 439 (s) = ((u_int16_t)t_cp[0] << 8) \ 440 | ((u_int16_t)t_cp[1]) \ 441 ; \ 442 (cp) += NS_INT16SZ; \ 443 } while (0) 444 445 #define NS_GET32(l, cp) do { \ 446 register const u_char *t_cp = (const u_char *)(cp); \ 447 (l) = ((u_int32_t)t_cp[0] << 24) \ 448 | ((u_int32_t)t_cp[1] << 16) \ 449 | ((u_int32_t)t_cp[2] << 8) \ 450 | ((u_int32_t)t_cp[3]) \ 451 ; \ 452 (cp) += NS_INT32SZ; \ 453 } while (0) 454 455 #define NS_PUT16(s, cp) do { \ 456 register u_int16_t t_s = (u_int16_t)(s); \ 457 register u_char *t_cp = (u_char *)(cp); \ 458 *t_cp++ = t_s >> 8; \ 459 *t_cp = t_s; \ 460 (cp) += NS_INT16SZ; \ 461 } while (0) 462 463 #define NS_PUT32(l, cp) do { \ 464 register u_int32_t t_l = (u_int32_t)(l); \ 465 register u_char *t_cp = (u_char *)(cp); \ 466 *t_cp++ = t_l >> 24; \ 467 *t_cp++ = t_l >> 16; \ 468 *t_cp++ = t_l >> 8; \ 469 *t_cp = t_l; \ 470 (cp) += NS_INT32SZ; \ 471 } while (0) 472 473 /*% 474 * ANSI C identifier hiding for bind's lib/nameser. 475 */ 476 #define ns_msg_getflag __ns_msg_getflag 477 #define ns_get16 __ns_get16 478 #define ns_get32 __ns_get32 479 #define ns_put16 __ns_put16 480 #define ns_put32 __ns_put32 481 #define ns_initparse __ns_initparse 482 #define ns_skiprr __ns_skiprr 483 #define ns_parserr __ns_parserr 484 #define ns_sprintrr __ns_sprintrr 485 #define ns_sprintrrf __ns_sprintrrf 486 #define ns_format_ttl __ns_format_ttl 487 #define ns_parse_ttl __ns_parse_ttl 488 #define ns_datetosecs __ns_datetosecs 489 #define ns_name_ntol __ns_name_ntol 490 #define ns_name_ntop __ns_name_ntop 491 #define ns_name_pton __ns_name_pton 492 #define ns_name_unpack __ns_name_unpack 493 #define ns_name_pack __ns_name_pack 494 #define ns_name_compress __ns_name_compress 495 #define ns_name_uncompress __ns_name_uncompress 496 #define ns_name_skip __ns_name_skip 497 #define ns_name_rollback __ns_name_rollback 498 #define ns_sign __ns_sign 499 #define ns_sign2 __ns_sign2 500 #define ns_sign_tcp __ns_sign_tcp 501 #define ns_sign_tcp2 __ns_sign_tcp2 502 #define ns_sign_tcp_init __ns_sign_tcp_init 503 #define ns_find_tsig __ns_find_tsig 504 #define ns_verify __ns_verify 505 #define ns_verify_tcp __ns_verify_tcp 506 #define ns_verify_tcp_init __ns_verify_tcp_init 507 #define ns_samedomain __ns_samedomain 508 #define ns_subdomain __ns_subdomain 509 #define ns_makecanon __ns_makecanon 510 #define ns_samename __ns_samename 511 512 __BEGIN_DECLS 513 int ns_msg_getflag __P((ns_msg, int)); 514 u_int ns_get16 __P((const u_char *)); 515 u_long ns_get32 __P((const u_char *)); 516 void ns_put16 __P((u_int, u_char *)); 517 void ns_put32 __P((u_long, u_char *)); 518 int ns_initparse __P((const u_char *, int, ns_msg *)); 519 int ns_skiprr __P((const u_char *, const u_char *, ns_sect, int)); 520 int ns_parserr __P((ns_msg *, ns_sect, int, ns_rr *)); 521 int ns_sprintrr __P((const ns_msg *, const ns_rr *, 522 const char *, const char *, char *, size_t)); 523 int ns_sprintrrf __P((const u_char *, size_t, const char *, 524 ns_class, ns_type, u_long, const u_char *, 525 size_t, const char *, const char *, 526 char *, size_t)); 527 int ns_format_ttl __P((u_long, char *, size_t)); 528 int ns_parse_ttl __P((const char *, u_long *)); 529 u_int32_t ns_datetosecs __P((const char *cp, int *errp)); 530 int ns_name_ntol __P((const u_char *, u_char *, size_t)); 531 int ns_name_ntop __P((const u_char *, char *, size_t)); 532 int ns_name_pton __P((const char *, u_char *, size_t)); 533 int ns_name_unpack __P((const u_char *, const u_char *, 534 const u_char *, u_char *, size_t)); 535 int ns_name_pack __P((const u_char *, u_char *, int, 536 const u_char **, const u_char **)); 537 int ns_name_uncompress __P((const u_char *, const u_char *, 538 const u_char *, char *, size_t)); 539 int ns_name_compress __P((const char *, u_char *, size_t, 540 const u_char **, const u_char **)); 541 int ns_name_skip __P((const u_char **, const u_char *)); 542 void ns_name_rollback __P((const u_char *, const u_char **, 543 const u_char **)); 544 int ns_sign __P((u_char *, int *, int, int, void *, 545 const u_char *, int, u_char *, int *, time_t)); 546 int ns_sign2 __P((u_char *, int *, int, int, void *, 547 const u_char *, int, u_char *, int *, time_t, 548 u_char **, u_char **)); 549 int ns_sign_tcp __P((u_char *, int *, int, int, 550 ns_tcp_tsig_state *, int)); 551 int ns_sign_tcp2 __P((u_char *, int *, int, int, 552 ns_tcp_tsig_state *, int, 553 u_char **, u_char **)); 554 int ns_sign_tcp_init __P((void *, const u_char *, int, 555 ns_tcp_tsig_state *)); 556 u_char *ns_find_tsig __P((u_char *, u_char *)); 557 int ns_verify __P((u_char *, int *, void *, 558 const u_char *, int, u_char *, int *, 559 time_t *, int)); 560 int ns_verify_tcp __P((u_char *, int *, ns_tcp_tsig_state *, int)); 561 int ns_verify_tcp_init __P((void *, const u_char *, int, 562 ns_tcp_tsig_state *)); 563 int ns_samedomain __P((const char *, const char *)); 564 int ns_subdomain __P((const char *, const char *)); 565 int ns_makecanon __P((const char *, char *, size_t)); 566 int ns_samename __P((const char *, const char *)); 567 __END_DECLS 568 569 #ifdef BIND_4_COMPAT 570 #include <arpa/nameser_compat.h> 571 #endif 572 573 #endif /* !_ARPA_NAMESER_H_ */ 574 /*! \file */ 575
Indexes created Mon Oct 27 02:09:54 GMT 2025