/* $NetBSD: nameser.h,v 1.20 2007/01/27 21:25:23 christos Exp $ */ /* * 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. 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. */ /* * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") * Copyright (c) 1996-1999 by Internet Software Consortium. * * Permission to use, copy, modify, and 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 1.7.18.1 2005/04/27 05:00:50 sra Exp */ #ifndef _ARPA_NAMESER_H_ #define _ARPA_NAMESER_H_ #define BIND_4_COMPAT #include #if (!defined(BSD)) || (BSD < 199306) # include #else # include #endif #include /*% * 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 libbind.a * contains a new enough lib/nameser/ to support the feature you need. */ #define __NAMESER 19991006 /*%< New interface version stamp. */ /* * Define constants based on RFC0883, RFC1034, 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_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; /*% * 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 u_char *_msg, *_eom; uint16_t _id, _flags, _counts[ns_s_max]; const u_char *_sections[ns_s_max]; ns_sect _sect; int _rrnum; const u_char *_msg_ptr; } ns_msg; /* 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) ((size_t)((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 u_char * rdata; } ns_rr; /* Accessor macros - this is part of the public interface. */ #define ns_rr_name(rr) (((rr).name[0] != '\0') ? (rr).name : ".") #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) ((u_long)(rr).ttl + 0) #define ns_rr_rdlen(rr) ((size_t)(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 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, /*%< Ip6 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 (deprecates AAAA) */ 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 (RFC3123) */ 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_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 /*% * Inline versions of get/put short/long. Pointer is advanced. */ #define NS_GET16(s, cp) do { \ const u_char *t_cp = (const u_char *)(cp); \ (s) = ((uint16_t)t_cp[0] << 8) \ | ((uint16_t)t_cp[1]) \ ; \ (cp) += NS_INT16SZ; \ } while (/*CONSTCOND*/0) #define NS_GET32(l, cp) do { \ const u_char *t_cp = (const u_char *)(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 (/*CONSTCOND*/0) #define NS_PUT16(s, cp) do { \ uint32_t t_s = (uint32_t)(s); \ u_char *t_cp = (u_char *)(cp); \ *t_cp++ = t_s >> 8; \ *t_cp = t_s; \ (cp) += NS_INT16SZ; \ } while (/*CONSTCOND*/0) #define NS_PUT32(l, cp) do { \ uint32_t t_l = (uint32_t)(l); \ u_char *t_cp = (u_char *)(cp); \ *t_cp++ = t_l >> 24; \ *t_cp++ = t_l >> 16; \ *t_cp++ = t_l >> 8; \ *t_cp = t_l; \ (cp) += NS_INT32SZ; \ } while (/*CONSTCOND*/0) /*% * ANSI C identifier hiding for bind's lib/nameser. */ #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_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_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_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 __BEGIN_DECLS int ns_msg_getflag(ns_msg, int); uint16_t ns_get16(const u_char *); uint32_t ns_get32(const u_char *); void ns_put16(uint16_t, u_char *); void ns_put32(uint32_t, u_char *); int ns_initparse(const u_char *, int, ns_msg *); int ns_skiprr(const u_char *, const u_char *, ns_sect, int); int ns_parserr(ns_msg *, ns_sect, int, ns_rr *); int ns_sprintrr(const ns_msg *, const ns_rr *, const char *, const char *, char *, size_t); int ns_sprintrrf(const u_char *, size_t, const char *, ns_class, ns_type, u_long, const u_char *, size_t, const char *, const char *, char *, size_t); int ns_format_ttl(u_long, char *, size_t); int ns_parse_ttl(const char *, u_long *); uint32_t ns_datetosecs(const char *cp, int *errp); int ns_name_ntol(const u_char *, u_char *, size_t); int ns_name_ntop(const u_char *, char *, size_t); int ns_name_pton(const char *, u_char *, size_t); int ns_name_unpack(const u_char *, const u_char *, const u_char *, u_char *, size_t); int ns_name_pack(const u_char *, u_char *, int, const u_char **, const u_char **); int ns_name_uncompress(const u_char *, const u_char *, const u_char *, char *, size_t); int ns_name_compress(const char *, u_char *, size_t, const u_char **, const u_char **); int ns_name_skip(const u_char **, const u_char *); void ns_name_rollback(const u_char *, const u_char **, const u_char **); int ns_sign(u_char *, int *, int, int, void *, const u_char *, int, u_char *, int *, time_t); int ns_sign2(u_char *, int *, int, int, void *, const u_char *, int, u_char *, int *, time_t, u_char **, u_char **); int ns_sign_tcp(u_char *, int *, int, int, ns_tcp_tsig_state *, int); int ns_sign_tcp2(u_char *, int *, int, int, ns_tcp_tsig_state *, int, u_char **, u_char **); int ns_sign_tcp_init(void *, const u_char *, int, ns_tcp_tsig_state *); u_char *ns_find_tsig(u_char *, u_char *); int ns_verify(u_char *, int *, void *, const u_char *, int, u_char *, int *, time_t *, int); int ns_verify_tcp(u_char *, int *, ns_tcp_tsig_state *, int); int ns_verify_tcp_init(void *, const u_char *, 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 *); __END_DECLS #ifdef BIND_4_COMPAT #include #endif #endif /* !_ARPA_NAMESER_H_ */