1 /* 2 * Copyright 2003 Sun Microsystems, Inc. All rights reserved. 3 * Use is subject to license terms. 4 */ 5 6 /* 7 * Copyright (c) 1983, 1989, 1993 8 * The Regents of the University of California. All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 */ 38 39 /* 40 * Copyright (c) 1996-1999 by Internet Software Consortium. 41 * 42 * Permission to use, copy, modify, and distribute this software for any 43 * purpose with or without fee is hereby granted, provided that the above 44 * copyright notice and this permission notice appear in all copies. 45 * 46 * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS 47 * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES 48 * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE 49 * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 50 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 51 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS 52 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 53 * SOFTWARE. 54 */ 55 56 /* 57 * $Id: nameser.h,v 8.50 2003/05/27 23:36:52 marka Exp $ 58 */ 59 60 #ifndef _ARPA_NAMESER_H 61 #define _ARPA_NAMESER_H 62 63 #pragma ident "%Z%%M% %I% %E% SMI" 64 65 #include <sys/isa_defs.h> 66 67 68 #ifdef __cplusplus 69 extern "C" { 70 #endif 71 72 #define BIND_4_COMPAT 73 74 /* 75 * Revision information. This is the release date in YYYYMMDD format. 76 * It can change every day so the right thing to do with it is use it 77 * in preprocessor commands such as "#if (__NAMESER > 19931104)". Do not 78 * compare for equality; rather, use it to determine whether your libresolv 79 * contains a new enough lib/nameser/ to support the feature you need. 80 */ 81 82 #define __NAMESER 19991006 /* New interface version stamp. */ 83 84 /* 85 * Define constants based on RFC 883, RFC 1034, RFC 1035 86 */ 87 #define NS_PACKETSZ 512 /* default UDP packet size */ 88 #define NS_MAXDNAME 1025 /* maximum domain name */ 89 #define NS_MAXMSG 65535 /* maximum message size */ 90 #define NS_MAXCDNAME 255 /* maximum compressed domain name */ 91 #define NS_MAXLABEL 63 /* maximum length of domain label */ 92 #define NS_HFIXEDSZ 12 /* #/bytes of fixed data in header */ 93 #define NS_QFIXEDSZ 4 /* #/bytes of fixed data in query */ 94 #define NS_RRFIXEDSZ 10 /* #/bytes of fixed data in r record */ 95 #define NS_INT32SZ 4 /* #/bytes of data in a u_int32_t */ 96 #define NS_INT16SZ 2 /* #/bytes of data in a u_int16_t */ 97 #define NS_INT8SZ 1 /* #/bytes of data in a u_int8_t */ 98 #define NS_INADDRSZ 4 /* IPv4 T_A */ 99 #define NS_IN6ADDRSZ 16 /* IPv6 T_AAAA */ 100 #define NS_CMPRSFLGS 0xc0 /* Flag bits indicating name compression. */ 101 #define NS_DEFAULTPORT 53 /* For both TCP and UDP. */ 102 103 /* 104 * These can be expanded with synonyms, just keep ns_parse.c:ns_parserecord() 105 * in synch with it. 106 */ 107 typedef enum __ns_sect { 108 ns_s_qd = 0, /* Query: Question. */ 109 ns_s_zn = 0, /* Update: Zone. */ 110 ns_s_an = 1, /* Query: Answer. */ 111 ns_s_pr = 1, /* Update: Prerequisites. */ 112 ns_s_ns = 2, /* Query: Name servers. */ 113 ns_s_ud = 2, /* Update: Update. */ 114 ns_s_ar = 3, /* Query|Update: Additional records. */ 115 ns_s_max = 4 116 } ns_sect; 117 118 /* 119 * This is a message handle. It is caller allocated and has no dynamic data. 120 * This structure is intended to be opaque to all but ns_parse.c, thus the 121 * leading _'s on the member names. Use the accessor functions, not the _'s. 122 */ 123 typedef struct __ns_msg { 124 const uchar_t *_msg, *_eom; 125 uint16_t _id, _flags, _counts[ns_s_max]; 126 const uchar_t *_sections[ns_s_max]; 127 ns_sect _sect; 128 int _rrnum; 129 const uchar_t *_msg_ptr; 130 } ns_msg; 131 132 /* Private data structure - do not use from outside library. */ 133 struct _ns_flagdata { int mask, shift; }; 134 extern struct _ns_flagdata _ns_flagdata[]; 135 136 /* Accessor macros - this is part of the public interface. */ 137 #define ns_msg_id(handle) ((handle)._id + 0) 138 #define ns_msg_base(handle) ((handle)._msg + 0) 139 #define ns_msg_end(handle) ((handle)._eom + 0) 140 #define ns_msg_size(handle) ((handle)._eom - (handle)._msg) 141 #define ns_msg_count(handle, section) ((handle)._counts[section] + 0) 142 143 /* 144 * This is a parsed record. It is caller allocated and has no dynamic data. 145 */ 146 typedef struct __ns_rr { 147 char name[NS_MAXDNAME]; 148 uint16_t type; 149 uint16_t rr_class; 150 uint32_t ttl; 151 uint16_t rdlength; 152 const uchar_t *rdata; 153 } ns_rr; 154 155 /* Accessor macros - this is part of the public interface. */ 156 #define ns_rr_name(rr) (((rr).name[0] != '\0') ? (rr).name : ".") 157 #define ns_rr_type(rr) ((ns_type)((rr).type + 0)) 158 #define ns_rr_class(rr) ((ns_class)((rr).rr_class + 0)) 159 #define ns_rr_ttl(rr) ((rr).ttl + 0) 160 #define ns_rr_rdlen(rr) ((rr).rdlength + 0) 161 #define ns_rr_rdata(rr) ((rr).rdata + 0) 162 163 /* 164 * These don't have to be in the same order as in the packet flags word, 165 * and they can even overlap in some cases, but they will need to be kept 166 * in synch with ns_parse.c:ns_flagdata[]. 167 */ 168 typedef enum __ns_flag { 169 ns_f_qr, /* Question/Response. */ 170 ns_f_opcode, /* Operation code. */ 171 ns_f_aa, /* Authoritative Answer. */ 172 ns_f_tc, /* Truncation occurred. */ 173 ns_f_rd, /* Recursion Desired. */ 174 ns_f_ra, /* Recursion Available. */ 175 ns_f_z, /* MBZ. */ 176 ns_f_ad, /* Authentic Data (DNSSEC). */ 177 ns_f_cd, /* Checking Disabled (DNSSEC). */ 178 ns_f_rcode, /* Response code. */ 179 ns_f_max 180 } ns_flag; 181 182 /* 183 * Currently defined opcodes. 184 */ 185 typedef enum __ns_opcode { 186 ns_o_query = 0, /* Standard query. */ 187 ns_o_iquery = 1, /* Inverse query (deprecated/unsupported). */ 188 ns_o_status = 2, /* Name server status query (unsupported). */ 189 /* Opcode 3 is undefined/reserved. */ 190 ns_o_notify = 4, /* Zone change notification. */ 191 ns_o_update = 5, /* Zone update message. */ 192 ns_o_max = 6 193 } ns_opcode; 194 195 /* 196 * Currently defined response codes. 197 */ 198 typedef enum __ns_rcode { 199 ns_r_noerror = 0, /* No error occurred. */ 200 ns_r_formerr = 1, /* Format error. */ 201 ns_r_servfail = 2, /* Server failure. */ 202 ns_r_nxdomain = 3, /* Name error. */ 203 ns_r_notimpl = 4, /* Unimplemented. */ 204 ns_r_refused = 5, /* Operation refused. */ 205 /* these are for BIND_UPDATE */ 206 ns_r_yxdomain = 6, /* Name exists */ 207 ns_r_yxrrset = 7, /* RRset exists */ 208 ns_r_nxrrset = 8, /* RRset does not exist */ 209 ns_r_notauth = 9, /* Not authoritative for zone */ 210 ns_r_notzone = 10, /* Zone of record different from zone section */ 211 ns_r_max = 11, 212 /* The following are EDNS extended rcodes */ 213 ns_r_badvers = 16, 214 /* The following are TSIG errors */ 215 ns_r_badsig = 16, 216 ns_r_badkey = 17, 217 ns_r_badtime = 18 218 } ns_rcode; 219 220 /* BIND_UPDATE */ 221 typedef enum __ns_update_operation { 222 ns_uop_delete = 0, 223 ns_uop_add = 1, 224 ns_uop_max = 2 225 } ns_update_operation; 226 227 /* 228 * This RR-like structure is particular to UPDATE. 229 */ 230 struct ns_updrec { 231 struct ns_updrec *r_prev; /* prev record */ 232 struct ns_updrec *r_next; /* next record */ 233 uint8_t r_section; /* ZONE/PREREQUISITE/UPDATE */ 234 char *r_dname; /* owner of the RR */ 235 uint16_t r_class; /* class number */ 236 uint16_t r_type; /* type number */ 237 uint32_t r_ttl; /* time to live */ 238 uchar_t *r_data; /* rdata fields as text string */ 239 uint16_t r_size; /* size of r_data field */ 240 int r_opcode; /* type of operation */ 241 /* following fields for private use by the resolver/server routines */ 242 struct ns_updrec *r_grpnext; /* next record when grouped */ 243 struct databuf *r_dp; /* databuf to process */ 244 struct databuf *r_deldp; /* databuf's deleted/overwritten */ 245 uint16_t r_zone; /* zone number on server */ 246 }; 247 typedef struct ns_updrec ns_updrec; 248 249 /* 250 * This structure is used for TSIG authenticated messages 251 */ 252 struct ns_tsig_key { 253 char name[NS_MAXDNAME], alg[NS_MAXDNAME]; 254 unsigned char *data; 255 int len; 256 }; 257 typedef struct ns_tsig_key ns_tsig_key; 258 259 /* 260 * This structure is used for TSIG authenticated TCP messages 261 */ 262 struct ns_tcp_tsig_state { 263 int counter; 264 struct dst_key *key; 265 void *ctx; 266 unsigned char sig[NS_PACKETSZ]; 267 int siglen; 268 }; 269 typedef struct ns_tcp_tsig_state ns_tcp_tsig_state; 270 271 #define NS_TSIG_FUDGE 300 272 #define NS_TSIG_TCP_COUNT 100 273 #define NS_TSIG_ALG_HMAC_MD5 "HMAC-MD5.SIG-ALG.REG.INT" 274 275 #define NS_TSIG_ERROR_NO_TSIG -10 276 #define NS_TSIG_ERROR_NO_SPACE -11 277 #define NS_TSIG_ERROR_FORMERR -12 278 279 /* 280 * Currently defined type values for resources and queries. 281 */ 282 typedef enum __ns_type { 283 ns_t_invalid = 0, /* Cookie. */ 284 ns_t_a = 1, /* Host address. */ 285 ns_t_ns = 2, /* Authoritative server. */ 286 ns_t_md = 3, /* Mail destination. */ 287 ns_t_mf = 4, /* Mail forwarder. */ 288 ns_t_cname = 5, /* Canonical name. */ 289 ns_t_soa = 6, /* Start of authority zone. */ 290 ns_t_mb = 7, /* Mailbox domain name. */ 291 ns_t_mg = 8, /* Mail group member. */ 292 ns_t_mr = 9, /* Mail rename name. */ 293 ns_t_null = 10, /* Null resource record. */ 294 ns_t_wks = 11, /* Well known service. */ 295 ns_t_ptr = 12, /* Domain name pointer. */ 296 ns_t_hinfo = 13, /* Host information. */ 297 ns_t_minfo = 14, /* Mailbox information. */ 298 ns_t_mx = 15, /* Mail routing information. */ 299 ns_t_txt = 16, /* Text strings. */ 300 ns_t_rp = 17, /* Responsible person. */ 301 ns_t_afsdb = 18, /* AFS cell database. */ 302 ns_t_x25 = 19, /* X_25 calling address. */ 303 ns_t_isdn = 20, /* ISDN calling address. */ 304 ns_t_rt = 21, /* Router. */ 305 ns_t_nsap = 22, /* NSAP address. */ 306 ns_t_nsap_ptr = 23, /* Reverse NSAP lookup (deprecated). */ 307 ns_t_sig = 24, /* Security signature. */ 308 ns_t_key = 25, /* Security key. */ 309 ns_t_px = 26, /* X.400 mail mapping. */ 310 ns_t_gpos = 27, /* Geographical position (withdrawn). */ 311 ns_t_aaaa = 28, /* IPv6 Address. */ 312 ns_t_loc = 29, /* Location Information. */ 313 ns_t_nxt = 30, /* Next domain (security). */ 314 ns_t_eid = 31, /* Endpoint identifier. */ 315 ns_t_nimloc = 32, /* Nimrod Locator. */ 316 ns_t_srv = 33, /* Server Selection. */ 317 ns_t_atma = 34, /* ATM Address */ 318 ns_t_naptr = 35, /* Naming Authority PoinTeR */ 319 ns_t_kx = 36, /* Key Exchange */ 320 ns_t_cert = 37, /* Certification record */ 321 ns_t_a6 = 38, /* IPv6 address (deprecated) */ 322 ns_t_dname = 39, /* Non-terminal DNAME (for IPv6) */ 323 ns_t_sink = 40, /* Kitchen sink (experimentatl) */ 324 ns_t_opt = 41, /* EDNS0 option (meta-RR) */ 325 ns_t_apl = 42, /* Address prefix list (RFC 3123) */ 326 ns_t_tkey = 249, /* Transaction key */ 327 ns_t_tsig = 250, /* Transaction signature. */ 328 ns_t_ixfr = 251, /* Incremental zone transfer. */ 329 ns_t_axfr = 252, /* Transfer zone of authority. */ 330 ns_t_mailb = 253, /* Transfer mailbox records. */ 331 ns_t_maila = 254, /* Transfer mail agent records. */ 332 ns_t_any = 255, /* Wildcard match. */ 333 ns_t_zxfr = 256, /* BIND-specific, nonstandard. */ 334 ns_t_max = 65536 335 } ns_type; 336 337 /* Exclusively a QTYPE? (not also an RTYPE) */ 338 #define ns_t_qt_p(t) (ns_t_xfr_p(t) || (t) == ns_t_any || \ 339 (t) == ns_t_mailb || (t) == ns_t_maila) 340 /* Some kind of meta-RR? (not a QTYPE, but also not an RTYPE) */ 341 #define ns_t_mrr_p(t) ((t) == ns_t_tsig || (t) == ns_t_opt) 342 /* Exclusively an RTYPE? (not also a QTYPE or a meta-RR) */ 343 #define ns_t_rr_p(t) (!ns_t_qt_p(t) && !ns_t_mrr_p(t)) 344 #define ns_t_udp_p(t) ((t) != ns_t_axfr && (t) != ns_t_zxfr) 345 #define ns_t_xfr_p(t) ((t) == ns_t_axfr || (t) == ns_t_ixfr || \ 346 (t) == ns_t_zxfr) 347 348 /* 349 * Values for class field 350 */ 351 typedef enum __ns_class { 352 ns_c_invalid = 0, /* Cookie. */ 353 ns_c_in = 1, /* Internet. */ 354 ns_c_2 = 2, /* unallocated/unsupported. */ 355 ns_c_chaos = 3, /* MIT Chaos-net. */ 356 ns_c_hs = 4, /* MIT Hesiod. */ 357 /* Query class values which do not appear in resource records */ 358 ns_c_none = 254, /* for prereq. sections in update requests */ 359 ns_c_any = 255, /* Wildcard match. */ 360 ns_c_max = 65536 361 } ns_class; 362 363 /* DNSSEC constants. */ 364 365 typedef enum __ns_key_types { 366 ns_kt_rsa = 1, /* key type RSA/MD5 */ 367 ns_kt_dh = 2, /* Diffie Hellman */ 368 ns_kt_dsa = 3, /* Digital Signature Standard (MANDATORY) */ 369 ns_kt_private = 254 /* Private key type starts with OID */ 370 } ns_key_types; 371 372 typedef enum __ns_cert_types { 373 cert_t_pkix = 1, /* PKIX (X.509v3) */ 374 cert_t_spki = 2, /* SPKI */ 375 cert_t_pgp = 3, /* PGP */ 376 cert_t_url = 253, /* URL private type */ 377 cert_t_oid = 254 /* OID private type */ 378 } ns_cert_types; 379 380 /* Flags field of the KEY RR rdata. */ 381 #define NS_KEY_TYPEMASK 0xC000 /* Mask for "type" bits */ 382 #define NS_KEY_TYPE_AUTH_CONF 0x0000 /* Key usable for both */ 383 #define NS_KEY_TYPE_CONF_ONLY 0x8000 /* Key usable for confidentiality */ 384 #define NS_KEY_TYPE_AUTH_ONLY 0x4000 /* Key usable for authentication */ 385 #define NS_KEY_TYPE_NO_KEY 0xC000 /* No key usable for either; no key */ 386 /* The type bits can also be interpreted independently, as single bits: */ 387 #define NS_KEY_NO_AUTH 0x8000 /* Key unusable for authentication */ 388 #define NS_KEY_NO_CONF 0x4000 /* Key unusable for confidentiality */ 389 #define NS_KEY_RESERVED2 0x2000 /* Security is *mandatory* if bit=0 */ 390 #define NS_KEY_EXTENDED_FLAGS 0x1000 /* reserved - must be zero */ 391 #define NS_KEY_RESERVED4 0x0800 /* reserved - must be zero */ 392 #define NS_KEY_RESERVED5 0x0400 /* reserved - must be zero */ 393 #define NS_KEY_NAME_TYPE 0x0300 /* these bits determine the type */ 394 #define NS_KEY_NAME_USER 0x0000 /* key is assoc. with user */ 395 #define NS_KEY_NAME_ENTITY 0x0200 /* key is assoc. with entity eg host */ 396 #define NS_KEY_NAME_ZONE 0x0100 /* key is zone key */ 397 #define NS_KEY_NAME_RESERVED 0x0300 /* reserved meaning */ 398 #define NS_KEY_RESERVED8 0x0080 /* reserved - must be zero */ 399 #define NS_KEY_RESERVED9 0x0040 /* reserved - must be zero */ 400 #define NS_KEY_RESERVED10 0x0020 /* reserved - must be zero */ 401 #define NS_KEY_RESERVED11 0x0010 /* reserved - must be zero */ 402 #define NS_KEY_SIGNATORYMASK 0x000F /* key can sign RR's of same name */ 403 #define NS_KEY_RESERVED_BITMASK (NS_KEY_RESERVED2 | \ 404 NS_KEY_RESERVED4 | \ 405 NS_KEY_RESERVED5 | \ 406 NS_KEY_RESERVED8 | \ 407 NS_KEY_RESERVED9 | \ 408 NS_KEY_RESERVED10 | \ 409 NS_KEY_RESERVED11) 410 #define NS_KEY_RESERVED_BITMASK2 0xFFFF /* no bits defined here */ 411 412 /* The Algorithm field of the KEY and SIG RR's is an integer, {1..254} */ 413 #define NS_ALG_MD5RSA 1 /* MD5 with RSA */ 414 #define NS_ALG_DH 2 /* Diffie Hellman KEY */ 415 #define NS_ALG_DSA 3 /* DSA KEY */ 416 #define NS_ALG_DSS NS_ALG_DSA 417 #define NS_ALG_EXPIRE_ONLY 253 /* No alg, no security */ 418 #define NS_ALG_PRIVATE_OID 254 /* Key begins with OID giving alg */ 419 420 /* Protocol values */ 421 /* value 0 is reserved */ 422 #define NS_KEY_PROT_TLS 1 423 #define NS_KEY_PROT_EMAIL 2 424 #define NS_KEY_PROT_DNSSEC 3 425 #define NS_KEY_PROT_IPSEC 4 426 #define NS_KEY_PROT_ANY 255 427 428 /* Signatures */ 429 #define NS_MD5RSA_MIN_BITS 512 /* Size of a mod or exp in bits */ 430 #define NS_MD5RSA_MAX_BITS 4096 431 /* Total of binary mod and exp */ 432 #define NS_MD5RSA_MAX_BYTES ((NS_MD5RSA_MAX_BITS+7/8)*2+3) 433 /* Max length of text sig block */ 434 #define NS_MD5RSA_MAX_BASE64 (((NS_MD5RSA_MAX_BYTES+2)/3)*4) 435 #define NS_MD5RSA_MIN_SIZE ((NS_MD5RSA_MIN_BITS+7)/8) 436 #define NS_MD5RSA_MAX_SIZE ((NS_MD5RSA_MAX_BITS+7)/8) 437 438 #define NS_DSA_SIG_SIZE 41 439 #define NS_DSA_MIN_SIZE 213 440 #define NS_DSA_MAX_BYTES 405 441 442 /* Offsets into SIG record rdata to find various values */ 443 #define NS_SIG_TYPE 0 /* Type flags */ 444 #define NS_SIG_ALG 2 /* Algorithm */ 445 #define NS_SIG_LABELS 3 /* How many labels in name */ 446 #define NS_SIG_OTTL 4 /* Original TTL */ 447 #define NS_SIG_EXPIR 8 /* Expiration time */ 448 #define NS_SIG_SIGNED 12 /* Signature time */ 449 #define NS_SIG_FOOT 16 /* Key footprint */ 450 #define NS_SIG_SIGNER 18 /* Domain name of who signed it */ 451 452 /* How RR types are represented as bit-flags in NXT records */ 453 #define NS_NXT_BITS 8 454 #define NS_NXT_BIT_SET(n, p) \ 455 (p[(n)/NS_NXT_BITS] |= (0x80>>((n)%NS_NXT_BITS))) 456 #define NS_NXT_BIT_CLEAR(n, p) \ 457 (p[(n)/NS_NXT_BITS] &= ~(0x80>>((n)%NS_NXT_BITS))) 458 #define NS_NXT_BIT_ISSET(n, p) \ 459 (p[(n)/NS_NXT_BITS] & (0x80>>((n)%NS_NXT_BITS))) 460 #define NS_NXT_MAX 127 461 462 /* 463 * EDNS0 extended flags, host order. 464 */ 465 #define NS_OPT_DNSSEC_OK 0x8000U 466 467 /* 468 * Inline versions of get/put short/long. Pointer is advanced. 469 */ 470 #define NS_GET16(s, cp) do { \ 471 register const uchar_t *t_cp = (const uchar_t *)(cp); \ 472 (s) = ((uint16_t)t_cp[0] << 8) \ 473 | ((uint16_t)t_cp[1]) \ 474 ; \ 475 (cp) += NS_INT16SZ; \ 476 } while (0) 477 478 #define NS_GET32(l, cp) do { \ 479 register const uchar_t *t_cp = (const uchar_t *)(cp); \ 480 (l) = ((uint32_t)t_cp[0] << 24) \ 481 | ((uint32_t)t_cp[1] << 16) \ 482 | ((uint32_t)t_cp[2] << 8) \ 483 | ((uint32_t)t_cp[3]) \ 484 ; \ 485 (cp) += NS_INT32SZ; \ 486 } while (0) 487 488 #define NS_PUT16(s, cp) do { \ 489 register uint16_t t_s = (uint16_t)(s); \ 490 register uchar_t *t_cp = (uchar_t *)(cp); \ 491 *t_cp++ = t_s >> 8; \ 492 *t_cp = t_s; \ 493 (cp) += NS_INT16SZ; \ 494 } while (0) 495 496 #define NS_PUT32(l, cp) do { \ 497 register uint32_t t_l = (uint32_t)(l); \ 498 register uchar_t *t_cp = (uchar_t *)(cp); \ 499 *t_cp++ = t_l >> 24; \ 500 *t_cp++ = t_l >> 16; \ 501 *t_cp++ = t_l >> 8; \ 502 *t_cp = t_l; \ 503 (cp) += NS_INT32SZ; \ 504 } while (0) 505 506 /* 507 * ANSI C identifier hiding. 508 */ 509 #define ns_msg_getflag __ns_msg_getflag 510 #define ns_get16 __ns_get16 511 #define ns_get32 __ns_get32 512 #define ns_put16 __ns_put16 513 #define ns_put32 __ns_put32 514 #define ns_initparse __ns_initparse 515 #define ns_skiprr __ns_skiprr 516 #define ns_parserr __ns_parserr 517 #define ns_sprintrr __ns_sprintrr 518 #define ns_sprintrrf __ns_sprintrrf 519 #define ns_format_ttl __ns_format_ttl 520 #define ns_parse_ttl __ns_parse_ttl 521 #define ns_datetosecs __ns_datetosecs 522 #define ns_name_ntol __ns_name_ntol 523 #define ns_name_ntop __ns_name_ntop 524 #define ns_name_pton __ns_name_pton 525 #define ns_name_unpack __ns_name_unpack 526 #define ns_name_pack __ns_name_pack 527 #define ns_name_compress __ns_name_compress 528 #define ns_name_uncompress __ns_name_uncompress 529 #define ns_name_skip __ns_name_skip 530 #define ns_name_rollback __ns_name_rollback 531 #define ns_sign __ns_sign 532 #define ns_sign2 __ns_sign2 533 #define ns_sign_tcp __ns_sign_tcp 534 #define ns_sign_tcp2 __ns_sign_tcp2 535 #define ns_sign_tcp_init __ns_sign_tcp_init 536 #define ns_find_tsig __ns_find_tsig 537 #define ns_verify __ns_verify 538 #define ns_verify_tcp __ns_verify_tcp 539 #define ns_verify_tcp_init __ns_verify_tcp_init 540 #define ns_samedomain __ns_samedomain 541 #define ns_subdomain __ns_subdomain 542 #define ns_makecanon __ns_makecanon 543 #define ns_samename __ns_samename 544 545 int ns_msg_getflag(ns_msg, int); 546 uint_t ns_get16(const uchar_t *); 547 ulong_t ns_get32(const uchar_t *); 548 void ns_put16(uint_t, uchar_t *); 549 void ns_put32(ulong_t, uchar_t *); 550 int ns_initparse(const uchar_t *, int, ns_msg *); 551 int ns_skiprr(const uchar_t *, const uchar_t *, ns_sect, int); 552 int ns_parserr(ns_msg *, ns_sect, int, ns_rr *); 553 int ns_sprintrr(const ns_msg *, const ns_rr *, 554 const char *, const char *, char *, size_t); 555 int ns_sprintrrf(const uchar_t *, size_t, const char *, 556 ns_class, ns_type, ulong_t, const uchar_t *, 557 size_t, const char *, const char *, 558 char *, size_t); 559 int ns_format_ttl(ulong_t, char *, size_t); 560 int ns_parse_ttl(const char *, ulong_t *); 561 uint32_t ns_datetosecs(const char *cp, int *errp); 562 int ns_name_ntol(const uchar_t *, uchar_t *, size_t); 563 int ns_name_ntop(const uchar_t *, char *, size_t); 564 int ns_name_pton(const char *, uchar_t *, size_t); 565 int ns_name_unpack(const uchar_t *, const uchar_t *, 566 const uchar_t *, uchar_t *, size_t); 567 int ns_name_pack(const uchar_t *, uchar_t *, int, 568 const uchar_t **, const uchar_t **); 569 int ns_name_uncompress(const uchar_t *, const uchar_t *, 570 const uchar_t *, char *, size_t); 571 int ns_name_compress(const char *, uchar_t *, size_t, 572 const uchar_t **, const uchar_t **); 573 int ns_name_skip(const uchar_t **, const uchar_t *); 574 void ns_name_rollback(const uchar_t *, const uchar_t **, 575 const uchar_t **); 576 int ns_sign(uchar_t *, int *, int, int, void *, 577 const uchar_t *, int, uchar_t *, int *, time_t); 578 int ns_sign2(uchar_t *, int *, int, int, void *, 579 const uchar_t *, int, uchar_t *, int *, time_t, 580 uchar_t **, uchar_t **); 581 int ns_sign_tcp(uchar_t *, int *, int, int, 582 ns_tcp_tsig_state *, int); 583 int ns_sign_tcp2(uchar_t *, int *, int, int, 584 ns_tcp_tsig_state *, int, 585 uchar_t **, uchar_t **); 586 int ns_sign_tcp_init(void *, const uchar_t *, int, 587 ns_tcp_tsig_state *); 588 uchar_t *ns_find_tsig(uchar_t *, uchar_t *); 589 int ns_verify(uchar_t *, int *, void *, 590 const uchar_t *, int, uchar_t *, int *, 591 time_t *, int); 592 int ns_verify_tcp(uchar_t *, int *, ns_tcp_tsig_state *, int); 593 int ns_verify_tcp_init(void *, const uchar_t *, int, 594 ns_tcp_tsig_state *); 595 int ns_samedomain(const char *, const char *); 596 int ns_subdomain(const char *, const char *); 597 int ns_makecanon(const char *, char *, size_t); 598 int ns_samename(const char *, const char *); 599 600 #ifdef BIND_4_COMPAT 601 #include <arpa/nameser_compat.h> 602 #endif 603 604 #ifdef __cplusplus 605 } 606 #endif 607 608 #endif /* !_ARPA_NAMESER_H */ 609