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1.1 ! misho 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) 2004,2009 by Internet Systems Consortium, Inc. ("ISC") ! 36: * Copyright (c) 1996-2003 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: * Internet Systems Consortium, Inc. ! 51: * 950 Charter Street ! 52: * Redwood City, CA 94063 ! 53: * <info@isc.org> ! 54: * https://www.isc.org/ ! 55: */ ! 56: ! 57: /* ! 58: * $Id: nameser.h,v 1.5.786.2 2009-07-24 22:04:52 sar Exp $ ! 59: */ ! 60: ! 61: #ifndef _ARPA_NAMESER_H_ ! 62: #define _ARPA_NAMESER_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_int8_t *_msg, *_eom; ! 114: u_int16_t _id, _flags, _counts[ns_s_max]; ! 115: const u_int8_t *_sections[ns_s_max]; ! 116: ns_sect _sect; ! 117: int _rrnum; ! 118: const u_int8_t *_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_int8_t *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: unsigned 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: unsigned 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 (deprecates 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: * Inline versions of get/put short/long. Pointer is advanced. ! 428: */ ! 429: #define NS_GET16(s, cp) do { \ ! 430: register u_int8_t *t_cp = (u_int8_t *)(cp); \ ! 431: (s) = ((u_int16_t)t_cp[0] << 8) \ ! 432: | ((u_int16_t)t_cp[1]) \ ! 433: ; \ ! 434: (cp) += NS_INT16SZ; \ ! 435: } while (0) ! 436: ! 437: #define NS_GET32(l, cp) do { \ ! 438: register u_int8_t *t_cp = (u_int8_t *)(cp); \ ! 439: (l) = ((u_int32_t)t_cp[0] << 24) \ ! 440: | ((u_int32_t)t_cp[1] << 16) \ ! 441: | ((u_int32_t)t_cp[2] << 8) \ ! 442: | ((u_int32_t)t_cp[3]) \ ! 443: ; \ ! 444: (cp) += NS_INT32SZ; \ ! 445: } while (0) ! 446: ! 447: #define NS_PUT16(s, cp) do { \ ! 448: register u_int16_t t_s = (u_int16_t)(s); \ ! 449: register u_int8_t *t_cp = (u_int8_t *)(cp); \ ! 450: *t_cp++ = t_s >> 8; \ ! 451: *t_cp = t_s; \ ! 452: (cp) += NS_INT16SZ; \ ! 453: } while (0) ! 454: ! 455: #define NS_PUT32(l, cp) do { \ ! 456: register u_int32_t t_l = (u_int32_t)(l); \ ! 457: register u_int8_t *t_cp = (u_int8_t *)(cp); \ ! 458: *t_cp++ = t_l >> 24; \ ! 459: *t_cp++ = t_l >> 16; \ ! 460: *t_cp++ = t_l >> 8; \ ! 461: *t_cp = t_l; \ ! 462: (cp) += NS_INT32SZ; \ ! 463: } while (0) ! 464: ! 465: #include <arpa/nameser_compat.h> ! 466: ! 467: #endif /* !_ARPA_NAMESER_H_ */