1156960Sume/* 2156960Sume * Copyright (c) 1983, 1987, 1989 3156960Sume * The Regents of the University of California. All rights reserved. 4156960Sume * 51539Srgrimes * Redistribution and use in source and binary forms, with or without 61539Srgrimes * modification, are permitted provided that the following conditions 71539Srgrimes * are met: 81539Srgrimes * 1. Redistributions of source code must retain the above copyright 91539Srgrimes * notice, this list of conditions and the following disclaimer. 101539Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111539Srgrimes * notice, this list of conditions and the following disclaimer in the 121539Srgrimes * documentation and/or other materials provided with the distribution. 13203964Simp * 3. Neither the name of the University nor the names of its contributors 141539Srgrimes * may be used to endorse or promote products derived from this software 151539Srgrimes * without specific prior written permission. 16156960Sume * 171539Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 181539Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 191539Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 201539Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 211539Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 221539Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 231539Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 241539Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 251539Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 261539Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 271539Srgrimes * SUCH DAMAGE. 2836888Speter */ 2936888Speter 3036888Speter/* 31156960Sume * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") 32156960Sume * Portions Copyright (c) 1996-1999 by Internet Software Consortium. 331539Srgrimes * 341539Srgrimes * Permission to use, copy, modify, and distribute this software for any 351539Srgrimes * purpose with or without fee is hereby granted, provided that the above 3636888Speter * copyright notice and this permission notice appear in all copies. 378858Srgrimes * 38156960Sume * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES 39156960Sume * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 40156960Sume * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR 41156960Sume * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 42156960Sume * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 43156960Sume * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT 44156960Sume * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 4536888Speter */ 4636888Speter 47170244Sume/*% 483070Spst * @(#)resolv.h 8.1 (Berkeley) 6/2/93 49186090Sume * $Id: resolv.h,v 1.19.18.4 2008/04/03 23:15:15 marka Exp $ 5050473Speter * $FreeBSD$ 511539Srgrimes */ 521539Srgrimes 531539Srgrimes#ifndef _RESOLV_H_ 541539Srgrimes#define _RESOLV_H_ 551539Srgrimes 563070Spst#include <sys/param.h> 571539Srgrimes#include <sys/types.h> 583070Spst#include <sys/cdefs.h> 5955163Sshin#include <sys/socket.h> 603070Spst#include <stdio.h> 61156960Sume#include <arpa/nameser.h> 623070Spst 63170244Sume/*% 6421055Speter * Revision information. This is the release date in YYYYMMDD format. 6521055Speter * It can change every day so the right thing to do with it is use it 6621055Speter * in preprocessor commands such as "#if (__RES > 19931104)". Do not 673070Spst * compare for equality; rather, use it to determine whether your resolver 683070Spst * is new enough to contain a certain feature. 693070Spst */ 703070Spst 71156960Sume#define __RES 20030124 723070Spst 73170244Sume/*% 74156960Sume * This used to be defined in res_query.c, now it's in herror.c. 75156960Sume * [XXX no it's not. It's in irs/irs_data.c] 76156960Sume * It was 77156960Sume * never extern'd by any *.h file before it was placed here. For thread 78156960Sume * aware programs, the last h_errno value set is stored in res->h_errno. 79156960Sume * 80156960Sume * XXX: There doesn't seem to be a good reason for exposing RES_SET_H_ERRNO 81156960Sume * (and __h_errno_set) to the public via <resolv.h>. 82156960Sume * XXX: __h_errno_set is really part of IRS, not part of the resolver. 83156960Sume * If somebody wants to build and use a resolver that doesn't use IRS, 84156960Sume * what do they do? Perhaps something like 85156960Sume * #ifdef WANT_IRS 86156960Sume * # define RES_SET_H_ERRNO(r,x) __h_errno_set(r,x) 87156960Sume * #else 88156960Sume * # define RES_SET_H_ERRNO(r,x) (h_errno = (r)->res_h_errno = (x)) 89156960Sume * #endif 90156960Sume */ 91156960Sume 92156960Sume#define RES_SET_H_ERRNO(r,x) __h_errno_set(r,x) 93170244Sumestruct __res_state; /*%< forward */ 94156960Sume__BEGIN_DECLS 95156960Sumevoid __h_errno_set(struct __res_state *, int); 96156960Sume__END_DECLS 97156960Sume 98170244Sume/*% 991539Srgrimes * Resolver configuration file. 1001539Srgrimes * Normally not present, but may contain the address of the 101156960Sume * initial name server(s) to query and the domain search list. 1021539Srgrimes */ 1031539Srgrimes 1041539Srgrimes#ifndef _PATH_RESCONF 1053070Spst#define _PATH_RESCONF "/etc/resolv.conf" 1061539Srgrimes#endif 1071539Srgrimes 108156960Sumetypedef enum { res_goahead, res_nextns, res_modified, res_done, res_error } 109156960Sume res_sendhookact; 110156960Sume 111156960Sumetypedef res_sendhookact (*res_send_qhook)(struct sockaddr * const *, 112156960Sume const u_char **, int *, 113156960Sume u_char *, int, int *); 114156960Sume 115156960Sumetypedef res_sendhookact (*res_send_rhook)(const struct sockaddr *, 116156960Sume const u_char *, int, u_char *, 117156960Sume int, int *); 118156960Sume 119156960Sumestruct res_sym { 120170244Sume int number; /*%< Identifying number, like T_MX */ 121170244Sume const char * name; /*%< Its symbolic name, like "MX" */ 122170244Sume const char * humanname; /*%< Its fun name, like "mail exchanger" */ 123156960Sume}; 124156960Sume 125170244Sume/*% 1261539Srgrimes * Global defines and variables for resolver stub. 1271539Srgrimes */ 128170244Sume#define MAXNS 3 /*%< max # name servers we'll track */ 129170244Sume#define MAXDFLSRCH 3 /*%< # default domain levels to try */ 130170244Sume#define MAXDNSRCH 6 /*%< max # domains in search path */ 131170244Sume#define LOCALDOMAINPARTS 2 /*%< min levels in name that is "local" */ 132170244Sume#define RES_TIMEOUT 5 /*%< min. seconds between retries */ 133170244Sume#define MAXRESOLVSORT 10 /*%< number of net to sort on */ 134170244Sume#define RES_MAXNDOTS 15 /*%< should reflect bit field size */ 135170244Sume#define RES_MAXRETRANS 30 /*%< only for resolv.conf/RES_OPTIONS */ 136170244Sume#define RES_MAXRETRY 5 /*%< only for resolv.conf/RES_OPTIONS */ 137170244Sume#define RES_DFLRETRY 2 /*%< Default #/tries. */ 138170244Sume#define RES_MAXTIME 65535 /*%< Infinity, in milliseconds. */ 139156960Sumestruct __res_state_ext; 140156960Sume 1411539Srgrimesstruct __res_state { 142170244Sume int retrans; /*%< retransmission time interval */ 143170244Sume int retry; /*%< number of times to retransmit */ 144156960Sume /* 145156960Sume * XXX: If `sun' is defined, `options' and `pfcode' are 146156960Sume * defined as u_int in original BIND9 distribution. However, 147156960Sume * it breaks binary backward compatibility against FreeBSD's 148156960Sume * resolver. So, we changed not to see `sun'. 149156960Sume */ 150156960Sume#if defined(sun) && 0 151170244Sume u_int options; /*%< option flags - see below. */ 152156960Sume#else 153170244Sume u_long options; /*%< option flags - see below. */ 154156960Sume#endif 155170244Sume int nscount; /*%< number of name servers */ 1563070Spst struct sockaddr_in 157170244Sume nsaddr_list[MAXNS]; /*%< address of name server */ 158170244Sume#define nsaddr nsaddr_list[0] /*%< for backward compatibility */ 159170244Sume u_short id; /*%< current message id */ 160170244Sume char *dnsrch[MAXDNSRCH+1]; /*%< components of domain to search */ 161170244Sume char defdname[256]; /*%< default domain (deprecated) */ 162156960Sume#if defined(sun) && 0 163170244Sume u_int pfcode; /*%< RES_PRF_ flags - see below. */ 164156960Sume#else 165170244Sume u_long pfcode; /*%< RES_PRF_ flags - see below. */ 166156960Sume#endif 167170244Sume unsigned ndots:4; /*%< threshold for initial abs. query */ 168170244Sume unsigned nsort:4; /*%< number of elements in sort_list[] */ 1693070Spst char unused[3]; 1703070Spst struct { 1713070Spst struct in_addr addr; 1723070Spst u_int32_t mask; 1733070Spst } sort_list[MAXRESOLVSORT]; 174170244Sume res_send_qhook qhook; /*%< query hook */ 175170244Sume res_send_rhook rhook; /*%< response hook */ 176170244Sume int res_h_errno; /*%< last one set for this context */ 177170244Sume int _vcsock; /*%< PRIVATE: for res_send VC i/o */ 178170244Sume u_int _flags; /*%< PRIVATE: see below */ 179170244Sume u_int _pad; /*%< make _u 64 bit aligned */ 180156960Sume union { 181156960Sume /* On an 32-bit arch this means 512b total. */ 182156960Sume char pad[72 - 4*sizeof (int) - 2*sizeof (void *)]; 183156960Sume struct { 184156960Sume u_int16_t nscount; 185170244Sume u_int16_t nstimes[MAXNS]; /*%< ms. */ 186156960Sume int nssocks[MAXNS]; 187229781Suqs struct __res_state_ext *ext; /*%< extension for IPv6 */ 188156960Sume } _ext; 189156960Sume } _u; 1901539Srgrimes}; 1911539Srgrimes 192156960Sumetypedef struct __res_state *res_state; 193156960Sume 194156960Sumeunion res_sockaddr_union { 195156960Sume struct sockaddr_in sin; 196156960Sume#ifdef IN6ADDR_ANY_INIT 197156960Sume struct sockaddr_in6 sin6; 198156960Sume#endif 199156960Sume#ifdef ISC_ALIGN64 200170244Sume int64_t __align64; /*%< 64bit alignment */ 201156960Sume#else 202170244Sume int32_t __align32; /*%< 32bit alignment */ 203156960Sume#endif 204170244Sume char __space[128]; /*%< max size */ 205156960Sume}; 206156960Sume 207170244Sume/*% 208156960Sume * Resolver flags (used to be discrete per-module statics ints). 20955163Sshin */ 210170244Sume#define RES_F_VC 0x00000001 /*%< socket is TCP */ 211170244Sume#define RES_F_CONN 0x00000002 /*%< socket is connected */ 212170244Sume#define RES_F_EDNS0ERR 0x00000004 /*%< EDNS0 caused errors */ 213170244Sume#define RES_F__UNUSED 0x00000008 /*%< (unused) */ 214170244Sume#define RES_F_LASTMASK 0x000000F0 /*%< ordinal server of last res_nsend */ 215170244Sume#define RES_F_LASTSHIFT 4 /*%< bit position of LASTMASK "flag" */ 216156960Sume#define RES_GETLAST(res) (((res)._flags & RES_F_LASTMASK) >> RES_F_LASTSHIFT) 21755163Sshin 218156960Sume/* res_findzonecut2() options */ 219170244Sume#define RES_EXHAUSTIVE 0x00000001 /*%< always do all queries */ 220170244Sume#define RES_IPV4ONLY 0x00000002 /*%< IPv4 only */ 221170244Sume#define RES_IPV6ONLY 0x00000004 /*%< IPv6 only */ 222156960Sume 223170244Sume/*% 2241539Srgrimes * Resolver options (keep these in synch with res_debug.c, please) 2251539Srgrimes */ 226170244Sume#define RES_INIT 0x00000001 /*%< address initialized */ 227170244Sume#define RES_DEBUG 0x00000002 /*%< print debug messages */ 228170244Sume#define RES_AAONLY 0x00000004 /*%< authoritative answers only (!IMPL)*/ 229170244Sume#define RES_USEVC 0x00000008 /*%< use virtual circuit */ 230170244Sume#define RES_PRIMARY 0x00000010 /*%< query primary server only (!IMPL) */ 231170244Sume#define RES_IGNTC 0x00000020 /*%< ignore truncation errors */ 232170244Sume#define RES_RECURSE 0x00000040 /*%< recursion desired */ 233170244Sume#define RES_DEFNAMES 0x00000080 /*%< use default domain name */ 234170244Sume#define RES_STAYOPEN 0x00000100 /*%< Keep TCP socket open */ 235170244Sume#define RES_DNSRCH 0x00000200 /*%< search up local domain tree */ 236170244Sume#define RES_INSECURE1 0x00000400 /*%< type 1 security disabled */ 237170244Sume#define RES_INSECURE2 0x00000800 /*%< type 2 security disabled */ 238170244Sume#define RES_NOALIASES 0x00001000 /*%< shuts off HOSTALIASES feature */ 239170244Sume#define RES_USE_INET6 0x00002000 /*%< use/map IPv6 in gethostbyname() */ 240170244Sume#define RES_ROTATE 0x00004000 /*%< rotate ns list after each query */ 241170244Sume#define RES_NOCHECKNAME 0x00008000 /*%< do not check names for sanity. */ 242170244Sume#define RES_KEEPTSIG 0x00010000 /*%< do not strip TSIG records */ 243170244Sume#define RES_BLAST 0x00020000 /*%< blast all recursive servers */ 244186090Sume#define RES_NSID 0x00040000 /*%< request name server ID */ 245170244Sume#define RES_NOTLDQUERY 0x00100000 /*%< don't unqualified name as a tld */ 246170244Sume#define RES_USE_DNSSEC 0x00200000 /*%< use DNSSEC using OK bit in OPT */ 247156960Sume/* #define RES_DEBUG2 0x00400000 */ /* nslookup internal */ 24878012Sume/* KAME extensions: use higher bit to avoid conflict with ISC use */ 249170244Sume#define RES_USE_DNAME 0x10000000 /*%< use DNAME */ 250170244Sume#define RES_USE_EDNS0 0x40000000 /*%< use EDNS0 if configured */ 251170244Sume#define RES_NO_NIBBLE2 0x80000000 /*%< disable alternate nibble lookup */ 2521539Srgrimes 253156960Sume#define RES_DEFAULT (RES_RECURSE | RES_DEFNAMES | \ 254156960Sume RES_DNSRCH | RES_NO_NIBBLE2) 2551539Srgrimes 256170244Sume/*% 2571539Srgrimes * Resolver "pfcode" values. Used by dig. 2581539Srgrimes */ 2593070Spst#define RES_PRF_STATS 0x00000001 26036888Speter#define RES_PRF_UPDATE 0x00000002 2613070Spst#define RES_PRF_CLASS 0x00000004 2623070Spst#define RES_PRF_CMD 0x00000008 2633070Spst#define RES_PRF_QUES 0x00000010 2643070Spst#define RES_PRF_ANS 0x00000020 2653070Spst#define RES_PRF_AUTH 0x00000040 2663070Spst#define RES_PRF_ADD 0x00000080 2673070Spst#define RES_PRF_HEAD1 0x00000100 2683070Spst#define RES_PRF_HEAD2 0x00000200 2693070Spst#define RES_PRF_TTLID 0x00000400 2703070Spst#define RES_PRF_HEADX 0x00000800 2713070Spst#define RES_PRF_QUERY 0x00001000 2723070Spst#define RES_PRF_REPLY 0x00002000 273156960Sume#define RES_PRF_INIT 0x00004000 274156960Sume#define RES_PRF_TRUNC 0x00008000 275156960Sume/* 0x00010000 */ 2761539Srgrimes 277156960Sume/* Things involving an internal (static) resolver context. */ 278156960Sume__BEGIN_DECLS 279156960Sumeextern struct __res_state *__res_state(void); 280156960Sume__END_DECLS 281156960Sume#define _res (*__res_state()) 2821539Srgrimes 283156960Sume#ifndef __BIND_NOSTATIC 284156960Sume#define fp_nquery __fp_nquery 285156960Sume#define fp_query __fp_query 286156960Sume#define hostalias __hostalias 287156960Sume#define p_query __p_query 288156960Sume#define res_close __res_close 289156960Sume#define res_init __res_init 290156960Sume#define res_isourserver __res_isourserver 291156960Sume#define res_mkquery __res_mkquery 292156960Sume#define res_opt __res_opt 293156960Sume#define res_query __res_query 294156960Sume#define res_querydomain __res_querydomain 295156960Sume#define res_search __res_search 296156960Sume#define res_send __res_send 297156960Sume#define res_sendsigned __res_sendsigned 2983070Spst 299126243Sgreen__BEGIN_DECLS 300156960Sumevoid fp_nquery(const u_char *, int, FILE *); 301156960Sumevoid fp_query(const u_char *, FILE *); 302156960Sumeconst char * hostalias(const char *); 303156960Sumevoid p_query(const u_char *); 304156960Sumevoid res_close(void); 305156960Sumeint res_init(void); 306156960Sumeint res_isourserver(const struct sockaddr_in *); 307156960Sumeint res_mkquery(int, const char *, int, int, const u_char *, 308156960Sume int, const u_char *, u_char *, int); 309156960Sumeint res_opt(int, u_char *, int, int); 310156960Sumeint res_query(const char *, int, int, u_char *, int); 311156960Sumeint res_querydomain(const char *, const char *, int, int, 312156960Sume u_char *, int); 313156960Sumeint res_search(const char *, int, int, u_char *, int); 314156960Sumeint res_send(const u_char *, int, u_char *, int); 315156960Sumeint res_sendsigned(const u_char *, int, ns_tsig_key *, 316156960Sume u_char *, int); 317126243Sgreen__END_DECLS 318156960Sume#endif 31955163Sshin 320156960Sume#if !defined(SHARED_LIBBIND) || defined(LIB) 321156960Sume/* 322156960Sume * If libbind is a shared object (well, DLL anyway) 323156960Sume * these externs break the linker when resolv.h is 324156960Sume * included by a lib client (like named) 325156960Sume * Make them go away if a client is including this 326156960Sume * 327156960Sume */ 328156960Sumeextern const struct res_sym __p_key_syms[]; 329156960Sumeextern const struct res_sym __p_cert_syms[]; 33021055Speterextern const struct res_sym __p_class_syms[]; 33121055Speterextern const struct res_sym __p_type_syms[]; 332156960Sumeextern const struct res_sym __p_rcode_syms[]; 333156960Sume#endif /* SHARED_LIBBIND */ 3341539Srgrimes 335156960Sume#define b64_ntop __b64_ntop 336156960Sume#define b64_pton __b64_pton 337156960Sume#define dn_comp __dn_comp 338156960Sume#define dn_count_labels __dn_count_labels 339156960Sume#define dn_expand __dn_expand 340156960Sume#define dn_skipname __dn_skipname 341156960Sume#define fp_resstat __fp_resstat 342156960Sume#define loc_aton __loc_aton 343156960Sume#define loc_ntoa __loc_ntoa 344156960Sume#define p_cdname __p_cdname 345156960Sume#define p_cdnname __p_cdnname 346156960Sume#define p_class __p_class 347156960Sume#define p_fqname __p_fqname 348156960Sume#define p_fqnname __p_fqnname 349156960Sume#define p_option __p_option 350156960Sume#define p_secstodate __p_secstodate 351156960Sume#define p_section __p_section 352156960Sume#define p_time __p_time 353156960Sume#define p_type __p_type 354156960Sume#define p_rcode __p_rcode 355156960Sume#define p_sockun __p_sockun 356156960Sume#define putlong __putlong 357156960Sume#define putshort __putshort 358156960Sume#define res_dnok __res_dnok 359156960Sume#if 0 360156960Sume#define res_findzonecut __res_findzonecut 361158787Sume#endif 362156960Sume#define res_findzonecut2 __res_findzonecut2 363156960Sume#define res_hnok __res_hnok 364156960Sume#define res_hostalias __res_hostalias 365156960Sume#define res_mailok __res_mailok 366156960Sume#define res_nameinquery __res_nameinquery 367156960Sume#define res_nclose __res_nclose 368156960Sume#define res_ninit __res_ninit 369156960Sume#define res_nmkquery __res_nmkquery 370156960Sume#define res_pquery __res_pquery 371156960Sume#define res_nquery __res_nquery 372156960Sume#define res_nquerydomain __res_nquerydomain 373156960Sume#define res_nsearch __res_nsearch 374156960Sume#define res_nsend __res_nsend 375156960Sume#if 0 376156960Sume#define res_nsendsigned __res_nsendsigned 377156960Sume#endif 378156960Sume#define res_nisourserver __res_nisourserver 379156960Sume#define res_ownok __res_ownok 380156960Sume#define res_queriesmatch __res_queriesmatch 381156960Sume#define res_randomid __res_randomid 382156960Sume#define sym_ntop __sym_ntop 383156960Sume#define sym_ntos __sym_ntos 384156960Sume#define sym_ston __sym_ston 385156960Sume#define res_nopt __res_nopt 386186090Sume#define res_nopt_rdata __res_nopt_rdata 387156960Sume#define res_ndestroy __res_ndestroy 388156960Sume#define res_nametoclass __res_nametoclass 389156960Sume#define res_nametotype __res_nametotype 390156960Sume#define res_setservers __res_setservers 391156960Sume#define res_getservers __res_getservers 392158518Sume#if 0 393156960Sume#define res_buildprotolist __res_buildprotolist 394156960Sume#define res_destroyprotolist __res_destroyprotolist 395156960Sume#define res_destroyservicelist __res_destroyservicelist 396156960Sume#define res_get_nibblesuffix __res_get_nibblesuffix 397156960Sume#define res_get_nibblesuffix2 __res_get_nibblesuffix2 398156960Sume#endif 399156960Sume#define res_ourserver_p __res_ourserver_p 400158518Sume#if 0 401156960Sume#define res_protocolname __res_protocolname 402156960Sume#define res_protocolnumber __res_protocolnumber 403158518Sume#endif 404156960Sume#define res_send_setqhook __res_send_setqhook 405156960Sume#define res_send_setrhook __res_send_setrhook 406158518Sume#if 0 407156960Sume#define res_servicename __res_servicename 408156960Sume#define res_servicenumber __res_servicenumber 409158518Sume#endif 4101539Srgrimes__BEGIN_DECLS 41193032Simpint res_hnok(const char *); 41293032Simpint res_ownok(const char *); 41393032Simpint res_mailok(const char *); 41493032Simpint res_dnok(const char *); 41593032Simpint sym_ston(const struct res_sym *, const char *, int *); 41693032Simpconst char * sym_ntos(const struct res_sym *, int, int *); 41793032Simpconst char * sym_ntop(const struct res_sym *, int, int *); 41893032Simpint b64_ntop(u_char const *, size_t, char *, size_t); 41993032Simpint b64_pton(char const *, u_char *, size_t); 42093032Simpint loc_aton(const char *, u_char *); 42193032Simpconst char * loc_ntoa(const u_char *, char *); 42293032Simpint dn_skipname(const u_char *, const u_char *); 42393032Simpvoid putlong(u_int32_t, u_char *); 42493032Simpvoid putshort(u_int16_t, u_char *); 425156960Sume#ifndef __ultrix__ 426156960Sumeu_int16_t _getshort(const u_char *); 427156960Sumeu_int32_t _getlong(const u_char *); 428156960Sume#endif 42993032Simpconst char * p_class(int); 43093032Simpconst char * p_time(u_int32_t); 43193032Simpconst char * p_type(int); 432156960Sumeconst char * p_rcode(int); 433156960Sumeconst char * p_sockun(union res_sockaddr_union, char *, size_t); 43493032Simpconst u_char * p_cdnname(const u_char *, const u_char *, int, FILE *); 43593032Simpconst u_char * p_cdname(const u_char *, const u_char *, FILE *); 436156960Sumeconst u_char * p_fqnname(const u_char *, const u_char *, int, char *, int); 43793032Simpconst u_char * p_fqname(const u_char *, const u_char *, FILE *); 43893032Simpconst char * p_option(u_long); 43993032Simpchar * p_secstodate(u_long); 44093032Simpint dn_count_labels(const char *); 44193032Simpint dn_comp(const char *, u_char *, int, u_char **, u_char **); 44293032Simpint dn_expand(const u_char *, const u_char *, const u_char *, 44393032Simp char *, int); 44493032Simpu_int res_randomid(void); 445156960Sumeint res_nameinquery(const char *, int, int, const u_char *, 446156960Sume const u_char *); 44793032Simpint res_queriesmatch(const u_char *, const u_char *, 44893032Simp const u_char *, const u_char *); 44993032Simpconst char * p_section(int, int); 450156960Sume/* Things involving a resolver context. */ 451156960Sumeint res_ninit(res_state); 452156960Sumeint res_nisourserver(const res_state, const struct sockaddr_in *); 453156960Sumevoid fp_resstat(const res_state, FILE *); 454156960Sumevoid res_pquery(const res_state, const u_char *, int, FILE *); 455156960Sumeconst char * res_hostalias(const res_state, const char *, char *, size_t); 456156960Sumeint res_nquery(res_state, const char *, int, int, u_char *, int); 457156960Sumeint res_nsearch(res_state, const char *, int, int, u_char *, int); 458156960Sumeint res_nquerydomain(res_state, const char *, const char *, 459156960Sume int, int, u_char *, int); 460156960Sumeint res_nmkquery(res_state, int, const char *, int, int, 461156960Sume const u_char *, int, const u_char *, 462156960Sume u_char *, int); 463156960Sumeint res_nsend(res_state, const u_char *, int, u_char *, int); 464156960Sume#if 0 465156960Sumeint res_nsendsigned(res_state, const u_char *, int, 466156960Sume ns_tsig_key *, u_char *, int); 467156960Sumeint res_findzonecut(res_state, const char *, ns_class, int, 468156960Sume char *, size_t, struct in_addr *, int); 469158787Sume#endif 470156960Sumeint res_findzonecut2(res_state, const char *, ns_class, int, 471156960Sume char *, size_t, 472156960Sume union res_sockaddr_union *, int); 473156960Sumevoid res_nclose(res_state); 474156960Sumeint res_nopt(res_state, int, u_char *, int, int); 475186090Sumeint res_nopt_rdata(res_state, int, u_char *, int, u_char *, 476186090Sume u_short, u_short, u_char *); 477156960Sumevoid res_send_setqhook(res_send_qhook); 478156960Sumevoid res_send_setrhook(res_send_rhook); 479156960Sumeint __res_vinit(res_state, int); 480158518Sume#if 0 481156960Sumevoid res_destroyservicelist(void); 482156960Sumeconst char * res_servicename(u_int16_t, const char *); 483156960Sumeconst char * res_protocolname(int); 484156960Sumevoid res_destroyprotolist(void); 485156960Sumevoid res_buildprotolist(void); 486156960Sumeconst char * res_get_nibblesuffix(res_state); 487156960Sumeconst char * res_get_nibblesuffix2(res_state); 488156960Sume#endif 489156960Sumevoid res_ndestroy(res_state); 490156960Sumeu_int16_t res_nametoclass(const char *, int *); 491156960Sumeu_int16_t res_nametotype(const char *, int *); 492156960Sumevoid res_setservers(res_state, const union res_sockaddr_union *, 493156960Sume int); 494156960Sumeint res_getservers(res_state, union res_sockaddr_union *, int); 4951539Srgrimes__END_DECLS 4961539Srgrimes 4971539Srgrimes#endif /* !_RESOLV_H_ */ 498170244Sume/*! \file */ 499