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 * 4. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 /* 31 * Copyright (c) 1996-1999 by Internet Software Consortium. 32 * 33 * Permission to use, copy, modify, and distribute this software for any 34 * purpose with or without fee is hereby granted, provided that the above 35 * copyright notice and this permission notice appear in all copies. 36 * 37 * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS 38 * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES 39 * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE 40 * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 41 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 42 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS 43 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 44 * SOFTWARE. 45 */ 46 47 /* 48 * $BINDId: nameser.h,v 8.37 2000/03/30 21:16:49 vixie Exp $ 49 */ 50 51 #ifndef _ARPA_NAMESER_H_ 52 #define _ARPA_NAMESER_H_ 53 54 #define BIND_4_COMPAT 55 56 #include <sys/param.h> 57 #if (!defined(BSD)) || (BSD < 199306) 58 # include <sys/bitypes.h> 59 #else 60 # include <sys/types.h> 61 #endif 62 #include <sys/cdefs.h> 63 64 /* 65 * Revision information. This is the release date in YYYYMMDD format. 66 * It can change every day so the right thing to do with it is use it 67 * in preprocessor commands such as "#if (__NAMESER > 19931104)". Do not 68 * compare for equality; rather, use it to determine whether your libbind.a 69 * contains a new enough lib/nameser/ to support the feature you need. 70 */ 71 72 #define __NAMESER 19991006 /* New interface version stamp. */ 73 74 /* 75 * Define constants based on RFC 883, RFC 1034, RFC 1035 76 */ 77 #define NS_PACKETSZ 512 /* maximum packet size */ 78 #define NS_MAXDNAME 1025 /* maximum domain name */ 79 #define NS_MAXCDNAME 255 /* maximum compressed domain name */ 80 #define NS_MAXLABEL 63 /* maximum length of domain label */ 81 #define NS_HFIXEDSZ 12 /* #/bytes of fixed data in header */ 82 #define NS_QFIXEDSZ 4 /* #/bytes of fixed data in query */ 83 #define NS_RRFIXEDSZ 10 /* #/bytes of fixed data in r record */ 84 #define NS_INT32SZ 4 /* #/bytes of data in a u_int32_t */ 85 #define NS_INT16SZ 2 /* #/bytes of data in a u_int16_t */ 86 #define NS_INT8SZ 1 /* #/bytes of data in a u_int8_t */ 87 #define NS_INADDRSZ 4 /* IPv4 T_A */ 88 #define NS_IN6ADDRSZ 16 /* IPv6 T_AAAA */ 89 #define NS_CMPRSFLGS 0xc0 /* Flag bits indicating name compression. */ 90 #define NS_DEFAULTPORT 53 /* For both TCP and UDP. */ 91 92 /* 93 * These can be expanded with synonyms, just keep ns_parse.c:ns_parserecord() 94 * in synch with it. 95 */ 96 typedef enum __ns_sect { 97 ns_s_qd = 0, /* Query: Question. */ 98 ns_s_zn = 0, /* Update: Zone. */ 99 ns_s_an = 1, /* Query: Answer. */ 100 ns_s_pr = 1, /* Update: Prerequisites. */ 101 ns_s_ns = 2, /* Query: Name servers. */ 102 ns_s_ud = 2, /* Update: Update. */ 103 ns_s_ar = 3, /* Query|Update: Additional records. */ 104 ns_s_max = 4 105 } ns_sect; 106 107 /* 108 * This is a message handle. It is caller allocated and has no dynamic data. 109 * This structure is intended to be opaque to all but ns_parse.c, thus the 110 * leading _'s on the member names. Use the accessor functions, not the _'s. 111 */ 112 typedef struct __ns_msg { 113 const u_char *_msg, *_eom; 114 u_int16_t _id, _flags, _counts[ns_s_max]; 115 const u_char *_sections[ns_s_max]; 116 ns_sect _sect; 117 int _rrnum; 118 const u_char *_ptr; 119 } ns_msg; 120 121 /* Private data structure - do not use from outside library. */ 122 struct _ns_flagdata { int mask, shift; }; 123 extern struct _ns_flagdata _ns_flagdata[]; 124 125 /* Accessor macros - this is part of the public interface. */ 126 #define ns_msg_getflag(handle, flag) ( \ 127 ((handle)._flags & _ns_flagdata[flag].mask) \ 128 >> _ns_flagdata[flag].shift \ 129 ) 130 #define ns_msg_id(handle) ((handle)._id + 0) 131 #define ns_msg_base(handle) ((handle)._msg + 0) 132 #define ns_msg_end(handle) ((handle)._eom + 0) 133 #define ns_msg_size(handle) ((handle)._eom - (handle)._msg) 134 #define ns_msg_count(handle, section) ((handle)._counts[section] + 0) 135 136 /* 137 * This is a parsed record. It is caller allocated and has no dynamic data. 138 */ 139 typedef struct __ns_rr { 140 char name[NS_MAXDNAME]; 141 u_int16_t type; 142 u_int16_t rr_class; 143 u_int32_t ttl; 144 u_int16_t rdlength; 145 const u_char * rdata; 146 } ns_rr; 147 148 /* Accessor macros - this is part of the public interface. */ 149 #define ns_rr_name(rr) (((rr).name[0] != '\0') ? (rr).name : ".") 150 #define ns_rr_type(rr) ((ns_type)((rr).type + 0)) 151 #define ns_rr_class(rr) ((ns_class)((rr).rr_class + 0)) 152 #define ns_rr_ttl(rr) ((rr).ttl + 0) 153 #define ns_rr_rdlen(rr) ((rr).rdlength + 0) 154 #define ns_rr_rdata(rr) ((rr).rdata + 0) 155 156 /* 157 * These don't have to be in the same order as in the packet flags word, 158 * and they can even overlap in some cases, but they will need to be kept 159 * in synch with ns_parse.c:ns_flagdata[]. 160 */ 161 typedef enum __ns_flag { 162 ns_f_qr, /* Question/Response. */ 163 ns_f_opcode, /* Operation code. */ 164 ns_f_aa, /* Authoritative Answer. */ 165 ns_f_tc, /* Truncation occurred. */ 166 ns_f_rd, /* Recursion Desired. */ 167 ns_f_ra, /* Recursion Available. */ 168 ns_f_z, /* MBZ. */ 169 ns_f_ad, /* Authentic Data (DNSSEC). */ 170 ns_f_cd, /* Checking Disabled (DNSSEC). */ 171 ns_f_rcode, /* Response code. */ 172 ns_f_max 173 } ns_flag; 174 175 /* 176 * Currently defined opcodes. 177 */ 178 typedef enum __ns_opcode { 179 ns_o_query = 0, /* Standard query. */ 180 ns_o_iquery = 1, /* Inverse query (deprecated/unsupported). */ 181 ns_o_status = 2, /* Name server status query (unsupported). */ 182 /* Opcode 3 is undefined/reserved. */ 183 ns_o_notify = 4, /* Zone change notification. */ 184 ns_o_update = 5, /* Zone update message. */ 185 ns_o_max = 6 186 } ns_opcode; 187 188 /* 189 * Currently defined response codes. 190 */ 191 typedef enum __ns_rcode { 192 ns_r_noerror = 0, /* No error occurred. */ 193 ns_r_formerr = 1, /* Format error. */ 194 ns_r_servfail = 2, /* Server failure. */ 195 ns_r_nxdomain = 3, /* Name error. */ 196 ns_r_notimpl = 4, /* Unimplemented. */ 197 ns_r_refused = 5, /* Operation refused. */ 198 /* these are for BIND_UPDATE */ 199 ns_r_yxdomain = 6, /* Name exists */ 200 ns_r_yxrrset = 7, /* RRset exists */ 201 ns_r_nxrrset = 8, /* RRset does not exist */ 202 ns_r_notauth = 9, /* Not authoritative for zone */ 203 ns_r_notzone = 10, /* Zone of record different from zone section */ 204 ns_r_max = 11, 205 /* The following are TSIG extended errors */ 206 ns_r_badsig = 16, 207 ns_r_badkey = 17, 208 ns_r_badtime = 18 209 } ns_rcode; 210 211 /* BIND_UPDATE */ 212 typedef enum __ns_update_operation { 213 ns_uop_delete = 0, 214 ns_uop_add = 1, 215 ns_uop_max = 2 216 } ns_update_operation; 217 218 /* 219 * This structure is used for TSIG authenticated messages 220 */ 221 struct ns_tsig_key { 222 char name[NS_MAXDNAME], alg[NS_MAXDNAME]; 223 unsigned char *data; 224 int len; 225 }; 226 typedef struct ns_tsig_key ns_tsig_key; 227 228 /* 229 * This structure is used for TSIG authenticated TCP messages 230 */ 231 struct ns_tcp_tsig_state { 232 int counter; 233 struct dst_key *key; 234 void *ctx; 235 unsigned char sig[NS_PACKETSZ]; 236 int siglen; 237 }; 238 typedef struct ns_tcp_tsig_state ns_tcp_tsig_state; 239 240 #define NS_TSIG_FUDGE 300 241 #define NS_TSIG_TCP_COUNT 100 242 #define NS_TSIG_ALG_HMAC_MD5 "HMAC-MD5.SIG-ALG.REG.INT" 243 244 #define NS_TSIG_ERROR_NO_TSIG -10 245 #define NS_TSIG_ERROR_NO_SPACE -11 246 #define NS_TSIG_ERROR_FORMERR -12 247 248 /* 249 * Currently defined type values for resources and queries. 250 */ 251 typedef enum __ns_type { 252 ns_t_invalid = 0, /* Cookie. */ 253 ns_t_a = 1, /* Host address. */ 254 ns_t_ns = 2, /* Authoritative server. */ 255 ns_t_md = 3, /* Mail destination. */ 256 ns_t_mf = 4, /* Mail forwarder. */ 257 ns_t_cname = 5, /* Canonical name. */ 258 ns_t_soa = 6, /* Start of authority zone. */ 259 ns_t_mb = 7, /* Mailbox domain name. */ 260 ns_t_mg = 8, /* Mail group member. */ 261 ns_t_mr = 9, /* Mail rename name. */ 262 ns_t_null = 10, /* Null resource record. */ 263 ns_t_wks = 11, /* Well known service. */ 264 ns_t_ptr = 12, /* Domain name pointer. */ 265 ns_t_hinfo = 13, /* Host information. */ 266 ns_t_minfo = 14, /* Mailbox information. */ 267 ns_t_mx = 15, /* Mail routing information. */ 268 ns_t_txt = 16, /* Text strings. */ 269 ns_t_rp = 17, /* Responsible person. */ 270 ns_t_afsdb = 18, /* AFS cell database. */ 271 ns_t_x25 = 19, /* X_25 calling address. */ 272 ns_t_isdn = 20, /* ISDN calling address. */ 273 ns_t_rt = 21, /* Router. */ 274 ns_t_nsap = 22, /* NSAP address. */ 275 ns_t_nsap_ptr = 23, /* Reverse NSAP lookup (deprecated). */ 276 ns_t_sig = 24, /* Security signature. */ 277 ns_t_key = 25, /* Security key. */ 278 ns_t_px = 26, /* X.400 mail mapping. */ 279 ns_t_gpos = 27, /* Geographical position (withdrawn). */ 280 ns_t_aaaa = 28, /* Ip6 Address. */ 281 ns_t_loc = 29, /* Location Information. */ 282 ns_t_nxt = 30, /* Next domain (security). */ 283 ns_t_eid = 31, /* Endpoint identifier. */ 284 ns_t_nimloc = 32, /* Nimrod Locator. */ 285 ns_t_srv = 33, /* Server Selection. */ 286 ns_t_atma = 34, /* ATM Address */ 287 ns_t_naptr = 35, /* Naming Authority PoinTeR */ 288 ns_t_kx = 36, /* Key Exchange */ 289 ns_t_cert = 37, /* Certification record */ 290 ns_t_a6 = 38, /* IPv6 address (deprecated, use ns_t_aaaa) */ 291 ns_t_dname = 39, /* Non-terminal DNAME (for IPv6) */ 292 ns_t_sink = 40, /* Kitchen sink (experimentatl) */ 293 ns_t_opt = 41, /* EDNS0 option (meta-RR) */ 294 ns_t_tsig = 250, /* Transaction signature. */ 295 ns_t_ixfr = 251, /* Incremental zone transfer. */ 296 ns_t_axfr = 252, /* Transfer zone of authority. */ 297 ns_t_mailb = 253, /* Transfer mailbox records. */ 298 ns_t_maila = 254, /* Transfer mail agent records. */ 299 ns_t_any = 255, /* Wildcard match. */ 300 ns_t_zxfr = 256, /* BIND-specific, nonstandard. */ 301 ns_t_max = 65536 302 } ns_type; 303 304 /* Exclusively a QTYPE? (not also an RTYPE) */ 305 #define ns_t_qt_p(t) (ns_t_xfr_p(t) || (t) == ns_t_any || \ 306 (t) == ns_t_mailb || (t) == ns_t_maila) 307 /* Some kind of meta-RR? (not a QTYPE, but also not an RTYPE) */ 308 #define ns_t_mrr_p(t) ((t) == ns_t_tsig || (t) == ns_t_opt) 309 /* Exclusively an RTYPE? (not also a QTYPE or a meta-RR) */ 310 #define ns_t_rr_p(t) (!ns_t_qt_p(t) && !ns_t_mrr_p(t)) 311 #define ns_t_udp_p(t) ((t) != ns_t_axfr && (t) != ns_t_zxfr) 312 #define ns_t_xfr_p(t) ((t) == ns_t_axfr || (t) == ns_t_ixfr || \ 313 (t) == ns_t_zxfr) 314 315 /* 316 * Values for class field 317 */ 318 typedef enum __ns_class { 319 ns_c_invalid = 0, /* Cookie. */ 320 ns_c_in = 1, /* Internet. */ 321 ns_c_2 = 2, /* unallocated/unsupported. */ 322 ns_c_chaos = 3, /* MIT Chaos-net. */ 323 ns_c_hs = 4, /* MIT Hesiod. */ 324 /* Query class values which do not appear in resource records */ 325 ns_c_none = 254, /* for prereq. sections in update requests */ 326 ns_c_any = 255, /* Wildcard match. */ 327 ns_c_max = 65536 328 } ns_class; 329 330 /* DNSSEC constants. */ 331 332 typedef enum __ns_key_types { 333 ns_kt_rsa = 1, /* key type RSA/MD5 */ 334 ns_kt_dh = 2, /* Diffie Hellman */ 335 ns_kt_dsa = 3, /* Digital Signature Standard (MANDATORY) */ 336 ns_kt_private = 254 /* Private key type starts with OID */ 337 } ns_key_types; 338 339 typedef enum __ns_cert_types { 340 cert_t_pkix = 1, /* PKIX (X.509v3) */ 341 cert_t_spki = 2, /* SPKI */ 342 cert_t_pgp = 3, /* PGP */ 343 cert_t_url = 253, /* URL private type */ 344 cert_t_oid = 254 /* OID private type */ 345 } ns_cert_types; 346 347 /* Flags field of the KEY RR rdata. */ 348 #define NS_KEY_TYPEMASK 0xC000 /* Mask for "type" bits */ 349 #define NS_KEY_TYPE_AUTH_CONF 0x0000 /* Key usable for both */ 350 #define NS_KEY_TYPE_CONF_ONLY 0x8000 /* Key usable for confidentiality */ 351 #define NS_KEY_TYPE_AUTH_ONLY 0x4000 /* Key usable for authentication */ 352 #define NS_KEY_TYPE_NO_KEY 0xC000 /* No key usable for either; no key */ 353 /* The type bits can also be interpreted independently, as single bits: */ 354 #define NS_KEY_NO_AUTH 0x8000 /* Key unusable for authentication */ 355 #define NS_KEY_NO_CONF 0x4000 /* Key unusable for confidentiality */ 356 #define NS_KEY_RESERVED2 0x2000 /* Security is *mandatory* if bit=0 */ 357 #define NS_KEY_EXTENDED_FLAGS 0x1000 /* reserved - must be zero */ 358 #define NS_KEY_RESERVED4 0x0800 /* reserved - must be zero */ 359 #define NS_KEY_RESERVED5 0x0400 /* reserved - must be zero */ 360 #define NS_KEY_NAME_TYPE 0x0300 /* these bits determine the type */ 361 #define NS_KEY_NAME_USER 0x0000 /* key is assoc. with user */ 362 #define NS_KEY_NAME_ENTITY 0x0200 /* key is assoc. with entity eg host */ 363 #define NS_KEY_NAME_ZONE 0x0100 /* key is zone key */ 364 #define NS_KEY_NAME_RESERVED 0x0300 /* reserved meaning */ 365 #define NS_KEY_RESERVED8 0x0080 /* reserved - must be zero */ 366 #define NS_KEY_RESERVED9 0x0040 /* reserved - must be zero */ 367 #define NS_KEY_RESERVED10 0x0020 /* reserved - must be zero */ 368 #define NS_KEY_RESERVED11 0x0010 /* reserved - must be zero */ 369 #define NS_KEY_SIGNATORYMASK 0x000F /* key can sign RR's of same name */ 370 #define NS_KEY_RESERVED_BITMASK ( NS_KEY_RESERVED2 | \ 371 NS_KEY_RESERVED4 | \ 372 NS_KEY_RESERVED5 | \ 373 NS_KEY_RESERVED8 | \ 374 NS_KEY_RESERVED9 | \ 375 NS_KEY_RESERVED10 | \ 376 NS_KEY_RESERVED11 ) 377 #define NS_KEY_RESERVED_BITMASK2 0xFFFF /* no bits defined here */ 378 379 /* The Algorithm field of the KEY and SIG RR's is an integer, {1..254} */ 380 #define NS_ALG_MD5RSA 1 /* MD5 with RSA */ 381 #define NS_ALG_DH 2 /* Diffie Hellman KEY */ 382 #define NS_ALG_DSA 3 /* DSA KEY */ 383 #define NS_ALG_DSS NS_ALG_DSA 384 #define NS_ALG_EXPIRE_ONLY 253 /* No alg, no security */ 385 #define NS_ALG_PRIVATE_OID 254 /* Key begins with OID giving alg */ 386 387 /* Protocol values */ 388 /* value 0 is reserved */ 389 #define NS_KEY_PROT_TLS 1 390 #define NS_KEY_PROT_EMAIL 2 391 #define NS_KEY_PROT_DNSSEC 3 392 #define NS_KEY_PROT_IPSEC 4 393 #define NS_KEY_PROT_ANY 255 394 395 /* Signatures */ 396 #define NS_MD5RSA_MIN_BITS 512 /* Size of a mod or exp in bits */ 397 #define NS_MD5RSA_MAX_BITS 2552 398 /* Total of binary mod and exp */ 399 #define NS_MD5RSA_MAX_BYTES ((NS_MD5RSA_MAX_BITS+7/8)*2+3) 400 /* Max length of text sig block */ 401 #define NS_MD5RSA_MAX_BASE64 (((NS_MD5RSA_MAX_BYTES+2)/3)*4) 402 #define NS_MD5RSA_MIN_SIZE ((NS_MD5RSA_MIN_BITS+7)/8) 403 #define NS_MD5RSA_MAX_SIZE ((NS_MD5RSA_MAX_BITS+7)/8) 404 405 #define NS_DSA_SIG_SIZE 41 406 #define NS_DSA_MIN_SIZE 213 407 #define NS_DSA_MAX_BYTES 405 408 409 /* Offsets into SIG record rdata to find various values */ 410 #define NS_SIG_TYPE 0 /* Type flags */ 411 #define NS_SIG_ALG 2 /* Algorithm */ 412 #define NS_SIG_LABELS 3 /* How many labels in name */ 413 #define NS_SIG_OTTL 4 /* Original TTL */ 414 #define NS_SIG_EXPIR 8 /* Expiration time */ 415 #define NS_SIG_SIGNED 12 /* Signature time */ 416 #define NS_SIG_FOOT 16 /* Key footprint */ 417 #define NS_SIG_SIGNER 18 /* Domain name of who signed it */ 418 419 /* How RR types are represented as bit-flags in NXT records */ 420 #define NS_NXT_BITS 8 421 #define NS_NXT_BIT_SET( n,p) (p[(n)/NS_NXT_BITS] |= (0x80>>((n)%NS_NXT_BITS))) 422 #define NS_NXT_BIT_CLEAR(n,p) (p[(n)/NS_NXT_BITS] &= ~(0x80>>((n)%NS_NXT_BITS))) 423 #define NS_NXT_BIT_ISSET(n,p) (p[(n)/NS_NXT_BITS] & (0x80>>((n)%NS_NXT_BITS))) 424 #define NS_NXT_MAX 127 425 426 /* 427 * EDNS0 extended flags, host order. 428 */ 429 #define NS_OPT_DNSSEC_OK 0x8000U 430 431 /* 432 * Inline versions of get/put short/long. Pointer is advanced. 433 */ 434 #define NS_GET16(s, cp) do { \ 435 register u_char *t_cp = (u_char *)(cp); \ 436 (s) = ((u_int16_t)t_cp[0] << 8) \ 437 | ((u_int16_t)t_cp[1]) \ 438 ; \ 439 (cp) += NS_INT16SZ; \ 440 } while (0) 441 442 #define NS_GET32(l, cp) do { \ 443 register u_char *t_cp = (u_char *)(cp); \ 444 (l) = ((u_int32_t)t_cp[0] << 24) \ 445 | ((u_int32_t)t_cp[1] << 16) \ 446 | ((u_int32_t)t_cp[2] << 8) \ 447 | ((u_int32_t)t_cp[3]) \ 448 ; \ 449 (cp) += NS_INT32SZ; \ 450 } while (0) 451 452 #define NS_PUT16(s, cp) do { \ 453 register u_int16_t t_s = (u_int16_t)(s); \ 454 register u_char *t_cp = (u_char *)(cp); \ 455 *t_cp++ = t_s >> 8; \ 456 *t_cp = t_s; \ 457 (cp) += NS_INT16SZ; \ 458 } while (0) 459 460 #define NS_PUT32(l, cp) do { \ 461 register u_int32_t t_l = (u_int32_t)(l); \ 462 register u_char *t_cp = (u_char *)(cp); \ 463 *t_cp++ = t_l >> 24; \ 464 *t_cp++ = t_l >> 16; \ 465 *t_cp++ = t_l >> 8; \ 466 *t_cp = t_l; \ 467 (cp) += NS_INT32SZ; \ 468 } while (0) 469 470 /* 471 * ANSI C identifier hiding for bind's lib/nameser. 472 */ 473 #define ns_get16 __ns_get16 474 #define ns_get32 __ns_get32 475 #define ns_put16 __ns_put16 476 #define ns_put32 __ns_put32 477 #define ns_initparse __ns_initparse 478 #define ns_skiprr __ns_skiprr 479 #define ns_parserr __ns_parserr 480 #define ns_sprintrr __ns_sprintrr 481 #define ns_sprintrrf __ns_sprintrrf 482 #define ns_format_ttl __ns_format_ttl 483 #define ns_parse_ttl __ns_parse_ttl 484 #define ns_datetosecs __ns_datetosecs 485 #define ns_name_ntol __ns_name_ntol 486 #define ns_name_ntop __ns_name_ntop 487 #define ns_name_pton __ns_name_pton 488 #define ns_name_unpack __ns_name_unpack 489 #define ns_name_pack __ns_name_pack 490 #define ns_name_compress __ns_name_compress 491 #define ns_name_uncompress __ns_name_uncompress 492 #define ns_name_skip __ns_name_skip 493 #define ns_name_rollback __ns_name_rollback 494 #define ns_sign __ns_sign 495 #define ns_sign_tcp __ns_sign_tcp 496 #define ns_sign_tcp_init __ns_sign_tcp_init 497 #define ns_find_tsig __ns_find_tsig 498 #define ns_verify __ns_verify 499 #define ns_verify_tcp __ns_verify_tcp 500 #define ns_verify_tcp_init __ns_verify_tcp_init 501 #define ns_samedomain __ns_samedomain 502 #define ns_subdomain __ns_subdomain 503 #define ns_makecanon __ns_makecanon 504 #define ns_samename __ns_samename 505 506 __BEGIN_DECLS 507 u_int ns_get16 (const u_char *) __THROW; 508 u_long ns_get32 (const u_char *) __THROW; 509 void ns_put16 (u_int, u_char *) __THROW; 510 void ns_put32 (u_long, u_char *) __THROW; 511 int ns_initparse (const u_char *, int, ns_msg *) __THROW; 512 int ns_skiprr (const u_char *, const u_char *, ns_sect, int) 513 __THROW; 514 int ns_parserr (ns_msg *, ns_sect, int, ns_rr *) __THROW; 515 int ns_sprintrr (const ns_msg *, const ns_rr *, 516 const char *, const char *, char *, size_t) 517 __THROW; 518 int ns_sprintrrf (const u_char *, size_t, const char *, 519 ns_class, ns_type, u_long, const u_char *, 520 size_t, const char *, const char *, 521 char *, size_t) __THROW; 522 int ns_format_ttl (u_long, char *, size_t) __THROW; 523 int ns_parse_ttl (const char *, u_long *) __THROW; 524 u_int32_t ns_datetosecs (const char *cp, int *errp) __THROW; 525 int ns_name_ntol (const u_char *, u_char *, size_t) __THROW; 526 int ns_name_ntop (const u_char *, char *, size_t) __THROW; 527 int ns_name_pton (const char *, u_char *, size_t) __THROW; 528 int ns_name_unpack (const u_char *, const u_char *, 529 const u_char *, u_char *, size_t) __THROW; 530 int ns_name_pack (const u_char *, u_char *, int, 531 const u_char **, const u_char **) __THROW; 532 int ns_name_uncompress (const u_char *, const u_char *, 533 const u_char *, char *, size_t) __THROW; 534 int ns_name_compress (const char *, u_char *, size_t, 535 const u_char **, const u_char **) __THROW; 536 int ns_name_skip (const u_char **, const u_char *) __THROW; 537 void ns_name_rollback (const u_char *, const u_char **, 538 const u_char **) __THROW; 539 int ns_sign (u_char *, int *, int, int, void *, 540 const u_char *, int, u_char *, int *, time_t) __THROW; 541 int ns_sign_tcp (u_char *, int *, int, int, 542 ns_tcp_tsig_state *, int) __THROW; 543 int ns_sign_tcp_init (void *, const u_char *, int, 544 ns_tcp_tsig_state *) __THROW; 545 u_char *ns_find_tsig (u_char *, u_char *) __THROW; 546 int ns_verify (u_char *, int *, void *, const u_char *, int, 547 u_char *, int *, time_t *, int) __THROW; 548 int ns_verify_tcp (u_char *, int *, ns_tcp_tsig_state *, int) 549 __THROW; 550 int ns_verify_tcp_init (void *, const u_char *, int, 551 ns_tcp_tsig_state *) __THROW; 552 int ns_samedomain (const char *, const char *) __THROW; 553 int ns_subdomain (const char *, const char *) __THROW; 554 int ns_makecanon (const char *, char *, size_t) __THROW; 555 int ns_samename (const char *, const char *) __THROW; 556 __END_DECLS 557 558 #ifdef BIND_4_COMPAT 559 #include <arpa/nameser_compat.h> 560 #endif 561 562 #endif /* !_ARPA_NAMESER_H_ */ 563