/* * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. * Copyright (c) 2016, Chris Fraire . */ /* * Copyright (c) 1983, 1989, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * Portions Copyright (C) 2004, 2005, 2008, 2009 * Internet Systems Consortium, Inc. ("ISC") * Portions Copyright (C) 1996-2003 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. */ /* * $Id: nameser.h,v 8.50 2003/05/27 23:36:52 marka Exp $ */ #ifndef _ARPA_NAMESER_H #define _ARPA_NAMESER_H #include #ifdef __cplusplus extern "C" { #endif #define BIND_4_COMPAT /* * Revision information. This is the release date in YYYYMMDD format. * It can change every day so the right thing to do with it is use it * in preprocessor commands such as "#if (__NAMESER > 19931104)". Do not * compare for equality; rather, use it to determine whether your libresolv * contains a new enough lib/nameser/ to support the feature you need. */ #define __NAMESER 20090302 /* New interface version stamp. */ /* * Define constants based on RFC 883, RFC 1034, RFC 1035 */ #define NS_PACKETSZ 512 /* default UDP packet size */ #define NS_MAXDNAME 1025 /* maximum domain name */ #define NS_MAXMSG 65535 /* maximum message size */ #define NS_MAXCDNAME 255 /* maximum compressed domain name */ #define NS_MAXLABEL 63 /* maximum length of domain label */ #define NS_MAXLABELS 128 /* theoretical max #/labels per domain name */ #define NS_MAXNNAME 256 /* maximum uncompressed (binary) domain name */ #define NS_MAXPADDR (sizeof ("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")) #define NS_HFIXEDSZ 12 /* #/bytes of fixed data in header */ #define NS_QFIXEDSZ 4 /* #/bytes of fixed data in query */ #define NS_RRFIXEDSZ 10 /* #/bytes of fixed data in r record */ #define NS_INT32SZ 4 /* #/bytes of data in a u_int32_t */ #define NS_INT16SZ 2 /* #/bytes of data in a u_int16_t */ #define NS_INT8SZ 1 /* #/bytes of data in a u_int8_t */ #define NS_INADDRSZ 4 /* IPv4 T_A */ #define NS_IN6ADDRSZ 16 /* IPv6 T_AAAA */ #define NS_CMPRSFLGS 0xc0 /* Flag bits indicating name compression. */ #define NS_DEFAULTPORT 53 /* For both TCP and UDP. */ /* * These can be expanded with synonyms, just keep ns_parse.c:ns_parserecord() * in synch with it. */ typedef enum __ns_sect { ns_s_qd = 0, /* Query: Question. */ ns_s_zn = 0, /* Update: Zone. */ ns_s_an = 1, /* Query: Answer. */ ns_s_pr = 1, /* Update: Prerequisites. */ ns_s_ns = 2, /* Query: Name servers. */ ns_s_ud = 2, /* Update: Update. */ ns_s_ar = 3, /* Query|Update: Additional records. */ ns_s_max = 4 } ns_sect; /* * Network name (compressed or not) type. Equivalent to a pointer when used * in a function prototype. Can be const'd. */ typedef uchar_t ns_nname[NS_MAXNNAME]; typedef const uchar_t *ns_nname_ct; typedef uchar_t *ns_nname_t; struct ns_namemap { ns_nname_ct base; int len; }; typedef struct ns_namemap *ns_namemap_t; typedef const struct ns_namemap *ns_namemap_ct; /* * This is a message handle. It is caller allocated and has no dynamic data. * This structure is intended to be opaque to all but ns_parse.c, thus the * leading _'s on the member names. Use the accessor functions, not the _'s. */ typedef struct __ns_msg { const uchar_t *_msg, *_eom; uint16_t _id, _flags, _counts[ns_s_max]; const uchar_t *_sections[ns_s_max]; ns_sect _sect; int _rrnum; const uchar_t *_msg_ptr; } ns_msg; /* * This is a newmsg handle, used when constructing new messages with * ns_newmsg_init, et al. */ struct ns_newmsg { ns_msg msg; const uchar_t *dnptrs[25]; const uchar_t **lastdnptr; }; typedef struct ns_newmsg ns_newmsg; /* Private data structure - do not use from outside library. */ struct _ns_flagdata { int mask, shift; }; extern struct _ns_flagdata _ns_flagdata[]; /* Accessor macros - this is part of the public interface. */ #define ns_msg_id(handle) ((handle)._id + 0) #define ns_msg_base(handle) ((handle)._msg + 0) #define ns_msg_end(handle) ((handle)._eom + 0) #define ns_msg_size(handle) ((handle)._eom - (handle)._msg) #define ns_msg_count(handle, section) ((handle)._counts[section] + 0) /* * This is a parsed record. It is caller allocated and has no dynamic data. */ typedef struct __ns_rr { char name[NS_MAXDNAME]; uint16_t type; uint16_t rr_class; uint32_t ttl; uint16_t rdlength; const uchar_t *rdata; } ns_rr; /* * Same thing, but using uncompressed network binary names, and real C types. */ typedef struct __ns_rr2 { ns_nname nname; size_t nnamel; int type; int rr_class; uint_t ttl; int rdlength; const uchar_t *rdata; } ns_rr2; /* Accessor macros - this is part of the public interface. */ #define ns_rr_name(rr) (((rr).name[0] != '\0') ? (rr).name : ".") #define ns_rr_nname(rr) ((const ns_nname_t)(rr).nname) #define ns_rr_nnamel(rr) ((rr).nnamel + 0) #define ns_rr_type(rr) ((ns_type)((rr).type + 0)) #define ns_rr_class(rr) ((ns_class)((rr).rr_class + 0)) #define ns_rr_ttl(rr) ((rr).ttl + 0) #define ns_rr_rdlen(rr) ((rr).rdlength + 0) #define ns_rr_rdata(rr) ((rr).rdata + 0) /* * These don't have to be in the same order as in the packet flags word, * and they can even overlap in some cases, but they will need to be kept * in synch with ns_parse.c:ns_flagdata[]. */ typedef enum __ns_flag { ns_f_qr, /* Question/Response. */ ns_f_opcode, /* Operation code. */ ns_f_aa, /* Authoritative Answer. */ ns_f_tc, /* Truncation occurred. */ ns_f_rd, /* Recursion Desired. */ ns_f_ra, /* Recursion Available. */ ns_f_z, /* MBZ. */ ns_f_ad, /* Authentic Data (DNSSEC). */ ns_f_cd, /* Checking Disabled (DNSSEC). */ ns_f_rcode, /* Response code. */ ns_f_max } ns_flag; /* * Currently defined opcodes. */ typedef enum __ns_opcode { ns_o_query = 0, /* Standard query. */ ns_o_iquery = 1, /* Inverse query (deprecated/unsupported). */ ns_o_status = 2, /* Name server status query (unsupported). */ /* Opcode 3 is undefined/reserved. */ ns_o_notify = 4, /* Zone change notification. */ ns_o_update = 5, /* Zone update message. */ ns_o_max = 6 } ns_opcode; /* * Currently defined response codes. */ typedef enum __ns_rcode { ns_r_noerror = 0, /* No error occurred. */ ns_r_formerr = 1, /* Format error. */ ns_r_servfail = 2, /* Server failure. */ ns_r_nxdomain = 3, /* Name error. */ ns_r_notimpl = 4, /* Unimplemented. */ ns_r_refused = 5, /* Operation refused. */ /* these are for BIND_UPDATE */ ns_r_yxdomain = 6, /* Name exists */ ns_r_yxrrset = 7, /* RRset exists */ ns_r_nxrrset = 8, /* RRset does not exist */ ns_r_notauth = 9, /* Not authoritative for zone */ ns_r_notzone = 10, /* Zone of record different from zone section */ ns_r_max = 11, /* The following are EDNS extended rcodes */ ns_r_badvers = 16, /* The following are TSIG errors */ ns_r_badsig = 16, ns_r_badkey = 17, ns_r_badtime = 18 } ns_rcode; /* BIND_UPDATE */ typedef enum __ns_update_operation { ns_uop_delete = 0, ns_uop_add = 1, ns_uop_max = 2 } ns_update_operation; /* * This RR-like structure is particular to UPDATE. */ struct ns_updrec { struct ns_updrec *r_prev; /* prev record */ struct ns_updrec *r_next; /* next record */ uint8_t r_section; /* ZONE/PREREQUISITE/UPDATE */ char *r_dname; /* owner of the RR */ uint16_t r_class; /* class number */ uint16_t r_type; /* type number */ uint32_t r_ttl; /* time to live */ uchar_t *r_data; /* rdata fields as text string */ uint16_t r_size; /* size of r_data field */ int r_opcode; /* type of operation */ /* following fields for private use by the resolver/server routines */ struct ns_updrec *r_grpnext; /* next record when grouped */ struct databuf *r_dp; /* databuf to process */ struct databuf *r_deldp; /* databuf's deleted/overwritten */ uint16_t r_zone; /* zone number on server */ }; typedef struct ns_updrec ns_updrec; /* * This structure is used for TSIG authenticated messages */ struct ns_tsig_key { char name[NS_MAXDNAME], alg[NS_MAXDNAME]; unsigned char *data; int len; }; typedef struct ns_tsig_key ns_tsig_key; /* * This structure is used for TSIG authenticated TCP messages */ struct ns_tcp_tsig_state { int counter; struct dst_key *key; void *ctx; unsigned char sig[NS_PACKETSZ]; int siglen; }; typedef struct ns_tcp_tsig_state ns_tcp_tsig_state; #define NS_TSIG_FUDGE 300 #define NS_TSIG_TCP_COUNT 100 #define NS_TSIG_ALG_HMAC_MD5 "HMAC-MD5.SIG-ALG.REG.INT" #define NS_TSIG_ERROR_NO_TSIG -10 #define NS_TSIG_ERROR_NO_SPACE -11 #define NS_TSIG_ERROR_FORMERR -12 /* * Currently defined type values for resources and queries. */ typedef enum __ns_type { ns_t_invalid = 0, /* Cookie. */ ns_t_a = 1, /* Host address. */ ns_t_ns = 2, /* Authoritative server. */ ns_t_md = 3, /* Mail destination. */ ns_t_mf = 4, /* Mail forwarder. */ ns_t_cname = 5, /* Canonical name. */ ns_t_soa = 6, /* Start of authority zone. */ ns_t_mb = 7, /* Mailbox domain name. */ ns_t_mg = 8, /* Mail group member. */ ns_t_mr = 9, /* Mail rename name. */ ns_t_null = 10, /* Null resource record. */ ns_t_wks = 11, /* Well known service. */ ns_t_ptr = 12, /* Domain name pointer. */ ns_t_hinfo = 13, /* Host information. */ ns_t_minfo = 14, /* Mailbox information. */ ns_t_mx = 15, /* Mail routing information. */ ns_t_txt = 16, /* Text strings. */ ns_t_rp = 17, /* Responsible person. */ ns_t_afsdb = 18, /* AFS cell database. */ ns_t_x25 = 19, /* X_25 calling address. */ ns_t_isdn = 20, /* ISDN calling address. */ ns_t_rt = 21, /* Router. */ ns_t_nsap = 22, /* NSAP address. */ ns_t_nsap_ptr = 23, /* Reverse NSAP lookup (deprecated). */ ns_t_sig = 24, /* Security signature. */ ns_t_key = 25, /* Security key. */ ns_t_px = 26, /* X.400 mail mapping. */ ns_t_gpos = 27, /* Geographical position (withdrawn). */ ns_t_aaaa = 28, /* IPv6 Address. */ ns_t_loc = 29, /* Location Information. */ ns_t_nxt = 30, /* Next domain (security). */ ns_t_eid = 31, /* Endpoint identifier. */ ns_t_nimloc = 32, /* Nimrod Locator. */ ns_t_srv = 33, /* Server Selection. */ ns_t_atma = 34, /* ATM Address */ ns_t_naptr = 35, /* Naming Authority PoinTeR */ ns_t_kx = 36, /* Key Exchange */ ns_t_cert = 37, /* Certification record */ ns_t_a6 = 38, /* IPv6 address (deprecated) */ ns_t_dname = 39, /* Non-terminal DNAME (for IPv6) */ ns_t_sink = 40, /* Kitchen sink (experimentatl) */ ns_t_opt = 41, /* EDNS0 option (meta-RR) */ ns_t_apl = 42, /* Address prefix list (RFC 3123) */ ns_t_ds = 43, /* Delegation Signer */ ns_t_sshfp = 44, /* SSH Fingerprint */ ns_t_ipseckey = 45, /* IPSEC Key */ ns_t_rrsig = 46, /* RRset Signature */ ns_t_nsec = 47, /* Negative security */ ns_t_dnskey = 48, /* DNS Key */ ns_t_dhcid = 49, /* Dynamic host configuratin identifier */ ns_t_nsec3 = 50, /* Negative security type 3 */ ns_t_nsec3param = 51, /* Negative security type 3 parameters */ ns_t_tlsa = 52, /* TLSA (RFC 6698) */ ns_t_smimea = 53, /* S/MIME cert association (RFC 8162) */ ns_t_hip = 55, /* Host Identity Protocol */ ns_t_cds = 59, /* Child DS (RFC 7344) */ ns_t_cdnskey = 60, /* DNSKEY(s) the Child wants reflected in DS */ ns_t_openpgpkey = 61, /* OpenPGP Key (RFC 7929) */ ns_t_csync = 62, /* Child-To-Parent Synchronization (RFC 7477) */ ns_t_spf = 99, /* Sender Policy Framework */ ns_t_tkey = 249, /* Transaction key */ ns_t_tsig = 250, /* Transaction signature. */ ns_t_ixfr = 251, /* Incremental zone transfer. */ ns_t_axfr = 252, /* Transfer zone of authority. */ ns_t_mailb = 253, /* Transfer mailbox records. */ ns_t_maila = 254, /* Transfer mail agent records. */ ns_t_any = 255, /* Wildcard match. */ ns_t_zxfr = 256, /* BIND-specific, nonstandard. */ ns_t_caa = 257, /* Certification Authority Restriction */ ns_t_dlv = 32769, /* DNSSEC look-aside validatation. */ ns_t_max = 65536 } ns_type; /* Exclusively a QTYPE? (not also an RTYPE) */ #define ns_t_qt_p(t) (ns_t_xfr_p(t) || (t) == ns_t_any || \ (t) == ns_t_mailb || (t) == ns_t_maila) /* Some kind of meta-RR? (not a QTYPE, but also not an RTYPE) */ #define ns_t_mrr_p(t) ((t) == ns_t_tsig || (t) == ns_t_opt) /* Exclusively an RTYPE? (not also a QTYPE or a meta-RR) */ #define ns_t_rr_p(t) (!ns_t_qt_p(t) && !ns_t_mrr_p(t)) #define ns_t_udp_p(t) ((t) != ns_t_axfr && (t) != ns_t_zxfr) #define ns_t_xfr_p(t) ((t) == ns_t_axfr || (t) == ns_t_ixfr || \ (t) == ns_t_zxfr) /* * Values for class field */ typedef enum __ns_class { ns_c_invalid = 0, /* Cookie. */ ns_c_in = 1, /* Internet. */ ns_c_2 = 2, /* unallocated/unsupported. */ ns_c_chaos = 3, /* MIT Chaos-net. */ ns_c_hs = 4, /* MIT Hesiod. */ /* Query class values which do not appear in resource records */ ns_c_none = 254, /* for prereq. sections in update requests */ ns_c_any = 255, /* Wildcard match. */ ns_c_max = 65536 } ns_class; /* DNSSEC constants. */ typedef enum __ns_key_types { ns_kt_rsa = 1, /* key type RSA/MD5 */ ns_kt_dh = 2, /* Diffie Hellman */ ns_kt_dsa = 3, /* Digital Signature Standard (MANDATORY) */ ns_kt_private = 254 /* Private key type starts with OID */ } ns_key_types; typedef enum __ns_cert_types { cert_t_pkix = 1, /* PKIX (X.509v3) */ cert_t_spki = 2, /* SPKI */ cert_t_pgp = 3, /* PGP */ cert_t_url = 253, /* URL private type */ cert_t_oid = 254 /* OID private type */ } ns_cert_types; /* Flags field of the KEY RR rdata. */ #define NS_KEY_TYPEMASK 0xC000 /* Mask for "type" bits */ #define NS_KEY_TYPE_AUTH_CONF 0x0000 /* Key usable for both */ #define NS_KEY_TYPE_CONF_ONLY 0x8000 /* Key usable for confidentiality */ #define NS_KEY_TYPE_AUTH_ONLY 0x4000 /* Key usable for authentication */ #define NS_KEY_TYPE_NO_KEY 0xC000 /* No key usable for either; no key */ /* The type bits can also be interpreted independently, as single bits: */ #define NS_KEY_NO_AUTH 0x8000 /* Key unusable for authentication */ #define NS_KEY_NO_CONF 0x4000 /* Key unusable for confidentiality */ #define NS_KEY_RESERVED2 0x2000 /* Security is *mandatory* if bit=0 */ #define NS_KEY_EXTENDED_FLAGS 0x1000 /* reserved - must be zero */ #define NS_KEY_RESERVED4 0x0800 /* reserved - must be zero */ #define NS_KEY_RESERVED5 0x0400 /* reserved - must be zero */ #define NS_KEY_NAME_TYPE 0x0300 /* these bits determine the type */ #define NS_KEY_NAME_USER 0x0000 /* key is assoc. with user */ #define NS_KEY_NAME_ENTITY 0x0200 /* key is assoc. with entity eg host */ #define NS_KEY_NAME_ZONE 0x0100 /* key is zone key */ #define NS_KEY_NAME_RESERVED 0x0300 /* reserved meaning */ #define NS_KEY_RESERVED8 0x0080 /* reserved - must be zero */ #define NS_KEY_RESERVED9 0x0040 /* reserved - must be zero */ #define NS_KEY_RESERVED10 0x0020 /* reserved - must be zero */ #define NS_KEY_RESERVED11 0x0010 /* reserved - must be zero */ #define NS_KEY_SIGNATORYMASK 0x000F /* key can sign RR's of same name */ #define NS_KEY_RESERVED_BITMASK (NS_KEY_RESERVED2 | \ NS_KEY_RESERVED4 | \ NS_KEY_RESERVED5 | \ NS_KEY_RESERVED8 | \ NS_KEY_RESERVED9 | \ NS_KEY_RESERVED10 | \ NS_KEY_RESERVED11) #define NS_KEY_RESERVED_BITMASK2 0xFFFF /* no bits defined here */ /* The Algorithm field of the KEY and SIG RR's is an integer, {1..254} */ #define NS_ALG_MD5RSA 1 /* MD5 with RSA */ #define NS_ALG_DH 2 /* Diffie Hellman KEY */ #define NS_ALG_DSA 3 /* DSA KEY */ #define NS_ALG_DSS NS_ALG_DSA #define NS_ALG_EXPIRE_ONLY 253 /* No alg, no security */ #define NS_ALG_PRIVATE_OID 254 /* Key begins with OID giving alg */ /* Protocol values */ /* value 0 is reserved */ #define NS_KEY_PROT_TLS 1 #define NS_KEY_PROT_EMAIL 2 #define NS_KEY_PROT_DNSSEC 3 #define NS_KEY_PROT_IPSEC 4 #define NS_KEY_PROT_ANY 255 /* Signatures */ #define NS_MD5RSA_MIN_BITS 512 /* Size of a mod or exp in bits */ #define NS_MD5RSA_MAX_BITS 4096 /* Total of binary mod and exp */ #define NS_MD5RSA_MAX_BYTES ((NS_MD5RSA_MAX_BITS+7/8)*2+3) /* Max length of text sig block */ #define NS_MD5RSA_MAX_BASE64 (((NS_MD5RSA_MAX_BYTES+2)/3)*4) #define NS_MD5RSA_MIN_SIZE ((NS_MD5RSA_MIN_BITS+7)/8) #define NS_MD5RSA_MAX_SIZE ((NS_MD5RSA_MAX_BITS+7)/8) #define NS_DSA_SIG_SIZE 41 #define NS_DSA_MIN_SIZE 213 #define NS_DSA_MAX_BYTES 405 /* Offsets into SIG record rdata to find various values */ #define NS_SIG_TYPE 0 /* Type flags */ #define NS_SIG_ALG 2 /* Algorithm */ #define NS_SIG_LABELS 3 /* How many labels in name */ #define NS_SIG_OTTL 4 /* Original TTL */ #define NS_SIG_EXPIR 8 /* Expiration time */ #define NS_SIG_SIGNED 12 /* Signature time */ #define NS_SIG_FOOT 16 /* Key footprint */ #define NS_SIG_SIGNER 18 /* Domain name of who signed it */ /* How RR types are represented as bit-flags in NXT records */ #define NS_NXT_BITS 8 #define NS_NXT_BIT_SET(n, p) \ (p[(n)/NS_NXT_BITS] |= (0x80>>((n)%NS_NXT_BITS))) #define NS_NXT_BIT_CLEAR(n, p) \ (p[(n)/NS_NXT_BITS] &= ~(0x80>>((n)%NS_NXT_BITS))) #define NS_NXT_BIT_ISSET(n, p) \ (p[(n)/NS_NXT_BITS] & (0x80>>((n)%NS_NXT_BITS))) #define NS_NXT_MAX 127 /* * EDNS0 extended flags, host order. */ #define NS_OPT_DNSSEC_OK 0x8000U #define NS_OPT_NSID 3 /* * Inline versions of get/put short/long. Pointer is advanced. */ #define NS_GET16(s, cp) do { \ register const uchar_t *t_cp = (const uchar_t *)(cp); \ (s) = ((uint16_t)t_cp[0] << 8) \ | ((uint16_t)t_cp[1]) \ ; \ (cp) += NS_INT16SZ; \ } while (0) #define NS_GET32(l, cp) do { \ register const uchar_t *t_cp = (const uchar_t *)(cp); \ (l) = ((uint32_t)t_cp[0] << 24) \ | ((uint32_t)t_cp[1] << 16) \ | ((uint32_t)t_cp[2] << 8) \ | ((uint32_t)t_cp[3]) \ ; \ (cp) += NS_INT32SZ; \ } while (0) #define NS_PUT16(s, cp) do { \ register uint16_t t_s = (uint16_t)(s); \ register uchar_t *t_cp = (uchar_t *)(cp); \ *t_cp++ = t_s >> 8; \ *t_cp = t_s; \ (cp) += NS_INT16SZ; \ } while (0) #define NS_PUT32(l, cp) do { \ register uint32_t t_l = (uint32_t)(l); \ register uchar_t *t_cp = (uchar_t *)(cp); \ *t_cp++ = t_l >> 24; \ *t_cp++ = t_l >> 16; \ *t_cp++ = t_l >> 8; \ *t_cp = t_l; \ (cp) += NS_INT32SZ; \ } while (0) /* * ANSI C identifier hiding. */ #define ns_msg_getflag __ns_msg_getflag #define ns_get16 __ns_get16 #define ns_get32 __ns_get32 #define ns_put16 __ns_put16 #define ns_put32 __ns_put32 #define ns_initparse __ns_initparse #define ns_skiprr __ns_skiprr #define ns_parserr __ns_parserr #define ns_parserr2 __ns_parserr2 #define ns_sprintrr __ns_sprintrr #define ns_sprintrrf __ns_sprintrrf #define ns_format_ttl __ns_format_ttl #define ns_parse_ttl __ns_parse_ttl #define ns_datetosecs __ns_datetosecs #define ns_name_ntol __ns_name_ntol #define ns_name_ntop __ns_name_ntop #define ns_name_pton __ns_name_pton #define ns_name_pton2 __ns_name_pton2 #define ns_name_unpack __ns_name_unpack #define ns_name_pack __ns_name_pack #define ns_name_compress __ns_name_compress #define ns_name_uncompress __ns_name_uncompress #define ns_name_skip __ns_name_skip #define ns_name_rollback __ns_name_rollback #define ns_name_length __ns_name_length #define ns_name_eq __ns_name_eq #define ns_name_owned __ns_name_owned #define ns_name_map __ns_name_map #define ns_name_labels __ns_name_labels #define ns_sign __ns_sign #define ns_sign2 __ns_sign2 #define ns_sign_tcp __ns_sign_tcp #define ns_sign_tcp2 __ns_sign_tcp2 #define ns_sign_tcp_init __ns_sign_tcp_init #define ns_find_tsig __ns_find_tsig #define ns_verify __ns_verify #define ns_verify_tcp __ns_verify_tcp #define ns_verify_tcp_init __ns_verify_tcp_init #define ns_samedomain __ns_samedomain #define ns_subdomain __ns_subdomain #define ns_makecanon __ns_makecanon #define ns_samename __ns_samename #define ns_newmsg_init __ns_newmsg_init #define ns_newmsg_copy __ns_newmsg_copy #define ns_newmsg_id __ns_newmsg_id #define ns_newmsg_flag __ns_newmsg_flag #define ns_newmsg_q __ns_newmsg_q #define ns_newmsg_rr __ns_newmsg_rr #define ns_newmsg_done __ns_newmsg_done #define ns_rdata_unpack __ns_rdata_unpack #define ns_rdata_equal __ns_rdata_equal #define ns_rdata_refers __ns_rdata_refers int ns_msg_getflag(ns_msg, int); uint_t ns_get16(const uchar_t *); ulong_t ns_get32(const uchar_t *); void ns_put16(uint_t, uchar_t *); void ns_put32(ulong_t, uchar_t *); int ns_initparse(const uchar_t *, int, ns_msg *); int ns_skiprr(const uchar_t *, const uchar_t *, ns_sect, int); int ns_parserr(ns_msg *, ns_sect, int, ns_rr *); int ns_parserr2(ns_msg *, ns_sect, int, ns_rr2 *); int ns_sprintrr(const ns_msg *, const ns_rr *, const char *, const char *, char *, size_t); int ns_sprintrrf(const uchar_t *, size_t, const char *, ns_class, ns_type, ulong_t, const uchar_t *, size_t, const char *, const char *, char *, size_t); int ns_format_ttl(ulong_t, char *, size_t); int ns_parse_ttl(const char *, ulong_t *); uint32_t ns_datetosecs(const char *cp, int *errp); int ns_name_ntol(const uchar_t *, uchar_t *, size_t); int ns_name_ntop(const uchar_t *, char *, size_t); int ns_name_pton(const char *, uchar_t *, size_t); int ns_name_pton2(const char *, uchar_t *, size_t, size_t *); int ns_name_unpack(const uchar_t *, const uchar_t *, const uchar_t *, uchar_t *, size_t); int ns_name_pack(const uchar_t *, uchar_t *, int, const uchar_t **, const uchar_t **); int ns_name_uncompress(const uchar_t *, const uchar_t *, const uchar_t *, char *, size_t); int ns_name_compress(const char *, uchar_t *, size_t, const uchar_t **, const uchar_t **); int ns_name_skip(const uchar_t **, const uchar_t *); void ns_name_rollback(const uchar_t *, const uchar_t **, const uchar_t **); ssize_t ns_name_length(ns_nname_ct, size_t); int ns_name_eq(ns_nname_ct, size_t, ns_nname_ct, size_t); int ns_name_owned(ns_namemap_ct, int, ns_namemap_ct, int); int ns_name_map(ns_nname_ct, size_t, ns_namemap_t, int); int ns_name_labels(ns_nname_ct, size_t); int ns_sign(uchar_t *, int *, int, int, void *, const uchar_t *, int, uchar_t *, int *, time_t); int ns_sign2(uchar_t *, int *, int, int, void *, const uchar_t *, int, uchar_t *, int *, time_t, uchar_t **, uchar_t **); int ns_sign_tcp(uchar_t *, int *, int, int, ns_tcp_tsig_state *, int); int ns_sign_tcp2(uchar_t *, int *, int, int, ns_tcp_tsig_state *, int, uchar_t **, uchar_t **); int ns_sign_tcp_init(void *, const uchar_t *, int, ns_tcp_tsig_state *); uchar_t *ns_find_tsig(uchar_t *, uchar_t *); int ns_verify(uchar_t *, int *, void *, const uchar_t *, int, uchar_t *, int *, time_t *, int); int ns_verify_tcp(uchar_t *, int *, ns_tcp_tsig_state *, int); int ns_verify_tcp_init(void *, const uchar_t *, int, ns_tcp_tsig_state *); int ns_samedomain(const char *, const char *); int ns_subdomain(const char *, const char *); int ns_makecanon(const char *, char *, size_t); int ns_samename(const char *, const char *); int ns_newmsg_init(uchar_t *buffer, size_t bufsiz, ns_newmsg *); int ns_newmsg_copy(ns_newmsg *, ns_msg *); void ns_newmsg_id(ns_newmsg *handle, uint16_t id); void ns_newmsg_flag(ns_newmsg *handle, ns_flag flag, uint_t value); int ns_newmsg_q(ns_newmsg *handle, ns_nname_ct qname, ns_type qtype, ns_class qclass); int ns_newmsg_rr(ns_newmsg *handle, ns_sect sect, ns_nname_ct name, ns_type type, ns_class rr_class, uint32_t ttl, uint16_t rdlen, const uchar_t *rdata); size_t ns_newmsg_done(ns_newmsg *handle); ssize_t ns_rdata_unpack(const uchar_t *, const uchar_t *, ns_type, const uchar_t *, size_t, uchar_t *, size_t); int ns_rdata_equal(ns_type, const uchar_t *, size_t, const uchar_t *, size_t); int ns_rdata_refers(ns_type, const uchar_t *, size_t, const uchar_t *); #ifdef BIND_4_COMPAT #include #endif #ifdef __cplusplus } #endif #endif /* !_ARPA_NAMESER_H */