1f85162f0SHajimu UMEMOTO /* 2*046c3635SPedro F. Giffuni * Portions Copyright (C) 2004, 2005, 2008, 2009 Internet Systems Consortium, Inc. ("ISC") 3*046c3635SPedro F. Giffuni * Portions Copyright (C) 1995-2003 Internet Software Consortium. 4*046c3635SPedro F. Giffuni * 5*046c3635SPedro F. Giffuni * Permission to use, copy, modify, and/or distribute this software for any 6*046c3635SPedro F. Giffuni * purpose with or without fee is hereby granted, provided that the above 7*046c3635SPedro F. Giffuni * copyright notice and this permission notice appear in all copies. 8*046c3635SPedro F. Giffuni * 9*046c3635SPedro F. Giffuni * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 10*046c3635SPedro F. Giffuni * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 11*046c3635SPedro F. Giffuni * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 12*046c3635SPedro F. Giffuni * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 13*046c3635SPedro F. Giffuni * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 14*046c3635SPedro F. Giffuni * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 15*046c3635SPedro F. Giffuni * PERFORMANCE OF THIS SOFTWARE. 16*046c3635SPedro F. Giffuni */ 17*046c3635SPedro F. Giffuni 18*046c3635SPedro F. Giffuni /* 19f85162f0SHajimu UMEMOTO * Copyright (c) 1983, 1987, 1989 20f85162f0SHajimu UMEMOTO * The Regents of the University of California. All rights reserved. 21f85162f0SHajimu UMEMOTO * 22f85162f0SHajimu UMEMOTO * Redistribution and use in source and binary forms, with or without 23f85162f0SHajimu UMEMOTO * modification, are permitted provided that the following conditions 24f85162f0SHajimu UMEMOTO * are met: 25f85162f0SHajimu UMEMOTO * 1. Redistributions of source code must retain the above copyright 26f85162f0SHajimu UMEMOTO * notice, this list of conditions and the following disclaimer. 27f85162f0SHajimu UMEMOTO * 2. Redistributions in binary form must reproduce the above copyright 28f85162f0SHajimu UMEMOTO * notice, this list of conditions and the following disclaimer in the 29f85162f0SHajimu UMEMOTO * documentation and/or other materials provided with the distribution. 30f85162f0SHajimu UMEMOTO * 3. All advertising materials mentioning features or use of this software 31f85162f0SHajimu UMEMOTO * must display the following acknowledgement: 32f85162f0SHajimu UMEMOTO * This product includes software developed by the University of 33f85162f0SHajimu UMEMOTO * California, Berkeley and its contributors. 34f85162f0SHajimu UMEMOTO * 4. Neither the name of the University nor the names of its contributors 35f85162f0SHajimu UMEMOTO * may be used to endorse or promote products derived from this software 36f85162f0SHajimu UMEMOTO * without specific prior written permission. 37f85162f0SHajimu UMEMOTO * 38f85162f0SHajimu UMEMOTO * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 39f85162f0SHajimu UMEMOTO * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 40f85162f0SHajimu UMEMOTO * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 41f85162f0SHajimu UMEMOTO * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 42f85162f0SHajimu UMEMOTO * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 43f85162f0SHajimu UMEMOTO * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 44f85162f0SHajimu UMEMOTO * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 45f85162f0SHajimu UMEMOTO * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 46f85162f0SHajimu UMEMOTO * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 47f85162f0SHajimu UMEMOTO * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 48f85162f0SHajimu UMEMOTO * SUCH DAMAGE. 49f85162f0SHajimu UMEMOTO */ 50f85162f0SHajimu UMEMOTO 51861249f5SHajimu UMEMOTO /*% 52f85162f0SHajimu UMEMOTO * @(#)resolv.h 8.1 (Berkeley) 6/2/93 53*046c3635SPedro F. Giffuni * $Id: resolv.h,v 1.30 2009/03/03 01:52:48 each Exp $ 54f85162f0SHajimu UMEMOTO */ 55f85162f0SHajimu UMEMOTO 56f85162f0SHajimu UMEMOTO #ifndef _RESOLV_H_ 57f85162f0SHajimu UMEMOTO #define _RESOLV_H_ 58f85162f0SHajimu UMEMOTO 59f85162f0SHajimu UMEMOTO #include <sys/param.h> 60f85162f0SHajimu UMEMOTO #if (!defined(BSD)) || (BSD < 199306) 61f85162f0SHajimu UMEMOTO # include <sys/bitypes.h> 62f85162f0SHajimu UMEMOTO #else 63f85162f0SHajimu UMEMOTO # include <sys/types.h> 64f85162f0SHajimu UMEMOTO #endif 65f85162f0SHajimu UMEMOTO #include <sys/cdefs.h> 66f85162f0SHajimu UMEMOTO #include <sys/socket.h> 67f85162f0SHajimu UMEMOTO #include <stdio.h> 68f85162f0SHajimu UMEMOTO #include <arpa/nameser.h> 69f85162f0SHajimu UMEMOTO 70861249f5SHajimu UMEMOTO /*% 71f85162f0SHajimu UMEMOTO * Revision information. This is the release date in YYYYMMDD format. 72f85162f0SHajimu UMEMOTO * It can change every day so the right thing to do with it is use it 73f85162f0SHajimu UMEMOTO * in preprocessor commands such as "#if (__RES > 19931104)". Do not 74f85162f0SHajimu UMEMOTO * compare for equality; rather, use it to determine whether your resolver 75f85162f0SHajimu UMEMOTO * is new enough to contain a certain feature. 76f85162f0SHajimu UMEMOTO */ 77f85162f0SHajimu UMEMOTO 78*046c3635SPedro F. Giffuni #define __RES 20090302 79f85162f0SHajimu UMEMOTO 80861249f5SHajimu UMEMOTO /*% 81f85162f0SHajimu UMEMOTO * This used to be defined in res_query.c, now it's in herror.c. 82f85162f0SHajimu UMEMOTO * [XXX no it's not. It's in irs/irs_data.c] 83f85162f0SHajimu UMEMOTO * It was 84f85162f0SHajimu UMEMOTO * never extern'd by any *.h file before it was placed here. For thread 85f85162f0SHajimu UMEMOTO * aware programs, the last h_errno value set is stored in res->h_errno. 86f85162f0SHajimu UMEMOTO * 87f85162f0SHajimu UMEMOTO * XXX: There doesn't seem to be a good reason for exposing RES_SET_H_ERRNO 88f85162f0SHajimu UMEMOTO * (and __h_errno_set) to the public via <resolv.h>. 89f85162f0SHajimu UMEMOTO * XXX: __h_errno_set is really part of IRS, not part of the resolver. 90f85162f0SHajimu UMEMOTO * If somebody wants to build and use a resolver that doesn't use IRS, 91f85162f0SHajimu UMEMOTO * what do they do? Perhaps something like 92f85162f0SHajimu UMEMOTO * #ifdef WANT_IRS 93f85162f0SHajimu UMEMOTO * # define RES_SET_H_ERRNO(r,x) __h_errno_set(r,x) 94f85162f0SHajimu UMEMOTO * #else 95f85162f0SHajimu UMEMOTO * # define RES_SET_H_ERRNO(r,x) (h_errno = (r)->res_h_errno = (x)) 96f85162f0SHajimu UMEMOTO * #endif 97f85162f0SHajimu UMEMOTO */ 98f85162f0SHajimu UMEMOTO 99f85162f0SHajimu UMEMOTO #define RES_SET_H_ERRNO(r,x) __h_errno_set(r,x) 100861249f5SHajimu UMEMOTO struct __res_state; /*%< forward */ 101f85162f0SHajimu UMEMOTO __BEGIN_DECLS 102f85162f0SHajimu UMEMOTO void __h_errno_set(struct __res_state *res, int err); 103f85162f0SHajimu UMEMOTO __END_DECLS 104f85162f0SHajimu UMEMOTO 105861249f5SHajimu UMEMOTO /*% 106f85162f0SHajimu UMEMOTO * Resolver configuration file. 107f85162f0SHajimu UMEMOTO * Normally not present, but may contain the address of the 108f85162f0SHajimu UMEMOTO * initial name server(s) to query and the domain search list. 109f85162f0SHajimu UMEMOTO */ 110f85162f0SHajimu UMEMOTO 111f85162f0SHajimu UMEMOTO #ifndef _PATH_RESCONF 112f85162f0SHajimu UMEMOTO #define _PATH_RESCONF "/etc/resolv.conf" 113f85162f0SHajimu UMEMOTO #endif 114f85162f0SHajimu UMEMOTO 115f85162f0SHajimu UMEMOTO typedef enum { res_goahead, res_nextns, res_modified, res_done, res_error } 116f85162f0SHajimu UMEMOTO res_sendhookact; 117f85162f0SHajimu UMEMOTO 118f85162f0SHajimu UMEMOTO #ifndef __PMT 119f85162f0SHajimu UMEMOTO #if defined(__STDC__) || defined(__cplusplus) 120f85162f0SHajimu UMEMOTO #define __PMT(args) args 121f85162f0SHajimu UMEMOTO #else 122f85162f0SHajimu UMEMOTO #define __PMT(args) () 123f85162f0SHajimu UMEMOTO #endif 124f85162f0SHajimu UMEMOTO #endif 125f85162f0SHajimu UMEMOTO 126f85162f0SHajimu UMEMOTO typedef res_sendhookact (*res_send_qhook)__PMT((struct sockaddr * const *, 127f85162f0SHajimu UMEMOTO const u_char **, int *, 128f85162f0SHajimu UMEMOTO u_char *, int, int *)); 129f85162f0SHajimu UMEMOTO 130f85162f0SHajimu UMEMOTO typedef res_sendhookact (*res_send_rhook)__PMT((const struct sockaddr *, 131f85162f0SHajimu UMEMOTO const u_char *, int, u_char *, 132f85162f0SHajimu UMEMOTO int, int *)); 133f85162f0SHajimu UMEMOTO 134f85162f0SHajimu UMEMOTO struct res_sym { 135861249f5SHajimu UMEMOTO int number; /*%< Identifying number, like T_MX */ 136861249f5SHajimu UMEMOTO const char * name; /*%< Its symbolic name, like "MX" */ 137861249f5SHajimu UMEMOTO const char * humanname; /*%< Its fun name, like "mail exchanger" */ 138f85162f0SHajimu UMEMOTO }; 139f85162f0SHajimu UMEMOTO 140861249f5SHajimu UMEMOTO /*% 141f85162f0SHajimu UMEMOTO * Global defines and variables for resolver stub. 142f85162f0SHajimu UMEMOTO */ 143861249f5SHajimu UMEMOTO #define MAXNS 3 /*%< max # name servers we'll track */ 144861249f5SHajimu UMEMOTO #define MAXDFLSRCH 3 /*%< # default domain levels to try */ 145861249f5SHajimu UMEMOTO #define MAXDNSRCH 6 /*%< max # domains in search path */ 146861249f5SHajimu UMEMOTO #define LOCALDOMAINPARTS 2 /*%< min levels in name that is "local" */ 147861249f5SHajimu UMEMOTO #define RES_TIMEOUT 5 /*%< min. seconds between retries */ 148861249f5SHajimu UMEMOTO #define MAXRESOLVSORT 10 /*%< number of net to sort on */ 149861249f5SHajimu UMEMOTO #define RES_MAXNDOTS 15 /*%< should reflect bit field size */ 150861249f5SHajimu UMEMOTO #define RES_MAXRETRANS 30 /*%< only for resolv.conf/RES_OPTIONS */ 151861249f5SHajimu UMEMOTO #define RES_MAXRETRY 5 /*%< only for resolv.conf/RES_OPTIONS */ 152861249f5SHajimu UMEMOTO #define RES_DFLRETRY 2 /*%< Default #/tries. */ 153861249f5SHajimu UMEMOTO #define RES_MAXTIME 65535 /*%< Infinity, in milliseconds. */ 154f85162f0SHajimu UMEMOTO struct __res_state_ext; 155f85162f0SHajimu UMEMOTO 156f85162f0SHajimu UMEMOTO struct __res_state { 157861249f5SHajimu UMEMOTO int retrans; /*%< retransmission time interval */ 158861249f5SHajimu UMEMOTO int retry; /*%< number of times to retransmit */ 159f85162f0SHajimu UMEMOTO #ifdef sun 160861249f5SHajimu UMEMOTO u_int options; /*%< option flags - see below. */ 161f85162f0SHajimu UMEMOTO #else 162861249f5SHajimu UMEMOTO u_long options; /*%< option flags - see below. */ 163f85162f0SHajimu UMEMOTO #endif 164861249f5SHajimu UMEMOTO int nscount; /*%< number of name servers */ 165f85162f0SHajimu UMEMOTO struct sockaddr_in 166861249f5SHajimu UMEMOTO nsaddr_list[MAXNS]; /*%< address of name server */ 167861249f5SHajimu UMEMOTO #define nsaddr nsaddr_list[0] /*%< for backward compatibility */ 168861249f5SHajimu UMEMOTO u_short id; /*%< current message id */ 169861249f5SHajimu UMEMOTO char *dnsrch[MAXDNSRCH+1]; /*%< components of domain to search */ 170861249f5SHajimu UMEMOTO char defdname[256]; /*%< default domain (deprecated) */ 171f85162f0SHajimu UMEMOTO #ifdef sun 172861249f5SHajimu UMEMOTO u_int pfcode; /*%< RES_PRF_ flags - see below. */ 173f85162f0SHajimu UMEMOTO #else 174861249f5SHajimu UMEMOTO u_long pfcode; /*%< RES_PRF_ flags - see below. */ 175f85162f0SHajimu UMEMOTO #endif 176861249f5SHajimu UMEMOTO unsigned ndots:4; /*%< threshold for initial abs. query */ 177861249f5SHajimu UMEMOTO unsigned nsort:4; /*%< number of elements in sort_list[] */ 178f85162f0SHajimu UMEMOTO char unused[3]; 179f85162f0SHajimu UMEMOTO struct { 180f85162f0SHajimu UMEMOTO struct in_addr addr; 181f85162f0SHajimu UMEMOTO u_int32_t mask; 182f85162f0SHajimu UMEMOTO } sort_list[MAXRESOLVSORT]; 183861249f5SHajimu UMEMOTO res_send_qhook qhook; /*%< query hook */ 184861249f5SHajimu UMEMOTO res_send_rhook rhook; /*%< response hook */ 185861249f5SHajimu UMEMOTO int res_h_errno; /*%< last one set for this context */ 186861249f5SHajimu UMEMOTO int _vcsock; /*%< PRIVATE: for res_send VC i/o */ 187861249f5SHajimu UMEMOTO u_int _flags; /*%< PRIVATE: see below */ 188*046c3635SPedro F. Giffuni u_char _rnd[16]; /*%< PRIVATE: random state */ 189861249f5SHajimu UMEMOTO u_int _pad; /*%< make _u 64 bit aligned */ 190f85162f0SHajimu UMEMOTO union { 191f85162f0SHajimu UMEMOTO /* On an 32-bit arch this means 512b total. */ 192*046c3635SPedro F. Giffuni char pad[56 - 4*sizeof (int) - 2*sizeof (void *)]; 193f85162f0SHajimu UMEMOTO struct { 194f85162f0SHajimu UMEMOTO u_int16_t nscount; 195861249f5SHajimu UMEMOTO u_int16_t nstimes[MAXNS]; /*%< ms. */ 196f85162f0SHajimu UMEMOTO int nssocks[MAXNS]; 197861249f5SHajimu UMEMOTO struct __res_state_ext *ext; /*%< extention for IPv6 */ 198f85162f0SHajimu UMEMOTO } _ext; 199f85162f0SHajimu UMEMOTO } _u; 200f85162f0SHajimu UMEMOTO }; 201f85162f0SHajimu UMEMOTO 202f85162f0SHajimu UMEMOTO typedef struct __res_state *res_state; 203f85162f0SHajimu UMEMOTO 204f85162f0SHajimu UMEMOTO union res_sockaddr_union { 205f85162f0SHajimu UMEMOTO struct sockaddr_in sin; 206f85162f0SHajimu UMEMOTO #ifdef IN6ADDR_ANY_INIT 207f85162f0SHajimu UMEMOTO struct sockaddr_in6 sin6; 208f85162f0SHajimu UMEMOTO #endif 209f85162f0SHajimu UMEMOTO #ifdef ISC_ALIGN64 210861249f5SHajimu UMEMOTO int64_t __align64; /*%< 64bit alignment */ 211f85162f0SHajimu UMEMOTO #else 212861249f5SHajimu UMEMOTO int32_t __align32; /*%< 32bit alignment */ 213f85162f0SHajimu UMEMOTO #endif 214861249f5SHajimu UMEMOTO char __space[128]; /*%< max size */ 215f85162f0SHajimu UMEMOTO }; 216f85162f0SHajimu UMEMOTO 217861249f5SHajimu UMEMOTO /*% 218f85162f0SHajimu UMEMOTO * Resolver flags (used to be discrete per-module statics ints). 219f85162f0SHajimu UMEMOTO */ 220861249f5SHajimu UMEMOTO #define RES_F_VC 0x00000001 /*%< socket is TCP */ 221861249f5SHajimu UMEMOTO #define RES_F_CONN 0x00000002 /*%< socket is connected */ 222861249f5SHajimu UMEMOTO #define RES_F_EDNS0ERR 0x00000004 /*%< EDNS0 caused errors */ 223861249f5SHajimu UMEMOTO #define RES_F__UNUSED 0x00000008 /*%< (unused) */ 224861249f5SHajimu UMEMOTO #define RES_F_LASTMASK 0x000000F0 /*%< ordinal server of last res_nsend */ 225861249f5SHajimu UMEMOTO #define RES_F_LASTSHIFT 4 /*%< bit position of LASTMASK "flag" */ 226f85162f0SHajimu UMEMOTO #define RES_GETLAST(res) (((res)._flags & RES_F_LASTMASK) >> RES_F_LASTSHIFT) 227f85162f0SHajimu UMEMOTO 228f85162f0SHajimu UMEMOTO /* res_findzonecut2() options */ 229861249f5SHajimu UMEMOTO #define RES_EXHAUSTIVE 0x00000001 /*%< always do all queries */ 230861249f5SHajimu UMEMOTO #define RES_IPV4ONLY 0x00000002 /*%< IPv4 only */ 231861249f5SHajimu UMEMOTO #define RES_IPV6ONLY 0x00000004 /*%< IPv6 only */ 232f85162f0SHajimu UMEMOTO 233861249f5SHajimu UMEMOTO /*% 234f85162f0SHajimu UMEMOTO * Resolver options (keep these in synch with res_debug.c, please) 235f85162f0SHajimu UMEMOTO */ 236861249f5SHajimu UMEMOTO #define RES_INIT 0x00000001 /*%< address initialized */ 237861249f5SHajimu UMEMOTO #define RES_DEBUG 0x00000002 /*%< print debug messages */ 238861249f5SHajimu UMEMOTO #define RES_AAONLY 0x00000004 /*%< authoritative answers only (!IMPL)*/ 239861249f5SHajimu UMEMOTO #define RES_USEVC 0x00000008 /*%< use virtual circuit */ 240861249f5SHajimu UMEMOTO #define RES_PRIMARY 0x00000010 /*%< query primary server only (!IMPL) */ 241861249f5SHajimu UMEMOTO #define RES_IGNTC 0x00000020 /*%< ignore trucation errors */ 242861249f5SHajimu UMEMOTO #define RES_RECURSE 0x00000040 /*%< recursion desired */ 243861249f5SHajimu UMEMOTO #define RES_DEFNAMES 0x00000080 /*%< use default domain name */ 244861249f5SHajimu UMEMOTO #define RES_STAYOPEN 0x00000100 /*%< Keep TCP socket open */ 245861249f5SHajimu UMEMOTO #define RES_DNSRCH 0x00000200 /*%< search up local domain tree */ 246861249f5SHajimu UMEMOTO #define RES_INSECURE1 0x00000400 /*%< type 1 security disabled */ 247861249f5SHajimu UMEMOTO #define RES_INSECURE2 0x00000800 /*%< type 2 security disabled */ 248861249f5SHajimu UMEMOTO #define RES_NOALIASES 0x00001000 /*%< shuts off HOSTALIASES feature */ 249861249f5SHajimu UMEMOTO #define RES_USE_INET6 0x00002000 /*%< use/map IPv6 in gethostbyname() */ 250861249f5SHajimu UMEMOTO #define RES_ROTATE 0x00004000 /*%< rotate ns list after each query */ 251861249f5SHajimu UMEMOTO #define RES_NOCHECKNAME 0x00008000 /*%< do not check names for sanity. */ 252861249f5SHajimu UMEMOTO #define RES_KEEPTSIG 0x00010000 /*%< do not strip TSIG records */ 253861249f5SHajimu UMEMOTO #define RES_BLAST 0x00020000 /*%< blast all recursive servers */ 2549aeb4147SHajimu UMEMOTO #define RES_NSID 0x00040000 /*%< request name server ID */ 255861249f5SHajimu UMEMOTO #define RES_NOTLDQUERY 0x00100000 /*%< don't unqualified name as a tld */ 256861249f5SHajimu UMEMOTO #define RES_USE_DNSSEC 0x00200000 /*%< use DNSSEC using OK bit in OPT */ 257f85162f0SHajimu UMEMOTO /* #define RES_DEBUG2 0x00400000 */ /* nslookup internal */ 258f85162f0SHajimu UMEMOTO /* KAME extensions: use higher bit to avoid conflict with ISC use */ 259861249f5SHajimu UMEMOTO #define RES_USE_DNAME 0x10000000 /*%< use DNAME */ 260861249f5SHajimu UMEMOTO #define RES_USE_EDNS0 0x40000000 /*%< use EDNS0 if configured */ 261861249f5SHajimu UMEMOTO #define RES_NO_NIBBLE2 0x80000000 /*%< disable alternate nibble lookup */ 262f85162f0SHajimu UMEMOTO 263f85162f0SHajimu UMEMOTO #define RES_DEFAULT (RES_RECURSE | RES_DEFNAMES | \ 264f85162f0SHajimu UMEMOTO RES_DNSRCH | RES_NO_NIBBLE2) 265f85162f0SHajimu UMEMOTO 266861249f5SHajimu UMEMOTO /*% 267f85162f0SHajimu UMEMOTO * Resolver "pfcode" values. Used by dig. 268f85162f0SHajimu UMEMOTO */ 269f85162f0SHajimu UMEMOTO #define RES_PRF_STATS 0x00000001 270f85162f0SHajimu UMEMOTO #define RES_PRF_UPDATE 0x00000002 271f85162f0SHajimu UMEMOTO #define RES_PRF_CLASS 0x00000004 272f85162f0SHajimu UMEMOTO #define RES_PRF_CMD 0x00000008 273f85162f0SHajimu UMEMOTO #define RES_PRF_QUES 0x00000010 274f85162f0SHajimu UMEMOTO #define RES_PRF_ANS 0x00000020 275f85162f0SHajimu UMEMOTO #define RES_PRF_AUTH 0x00000040 276f85162f0SHajimu UMEMOTO #define RES_PRF_ADD 0x00000080 277f85162f0SHajimu UMEMOTO #define RES_PRF_HEAD1 0x00000100 278f85162f0SHajimu UMEMOTO #define RES_PRF_HEAD2 0x00000200 279f85162f0SHajimu UMEMOTO #define RES_PRF_TTLID 0x00000400 280f85162f0SHajimu UMEMOTO #define RES_PRF_HEADX 0x00000800 281f85162f0SHajimu UMEMOTO #define RES_PRF_QUERY 0x00001000 282f85162f0SHajimu UMEMOTO #define RES_PRF_REPLY 0x00002000 283f85162f0SHajimu UMEMOTO #define RES_PRF_INIT 0x00004000 284f85162f0SHajimu UMEMOTO #define RES_PRF_TRUNC 0x00008000 285f85162f0SHajimu UMEMOTO /* 0x00010000 */ 286f85162f0SHajimu UMEMOTO 287f85162f0SHajimu UMEMOTO /* Things involving an internal (static) resolver context. */ 288f85162f0SHajimu UMEMOTO #ifdef _REENTRANT 289f85162f0SHajimu UMEMOTO __BEGIN_DECLS 290f85162f0SHajimu UMEMOTO extern struct __res_state *__res_state(void); 291f85162f0SHajimu UMEMOTO __END_DECLS 292f85162f0SHajimu UMEMOTO #define _res (*__res_state()) 293f85162f0SHajimu UMEMOTO #else 294f85162f0SHajimu UMEMOTO #ifdef __linux 295f85162f0SHajimu UMEMOTO __BEGIN_DECLS 296f85162f0SHajimu UMEMOTO extern struct __res_state * __res_state(void); 297f85162f0SHajimu UMEMOTO __END_DECLS 298f85162f0SHajimu UMEMOTO #endif 299f85162f0SHajimu UMEMOTO #ifndef __BIND_NOSTATIC 300f85162f0SHajimu UMEMOTO extern struct __res_state _res; 301f85162f0SHajimu UMEMOTO #endif 302f85162f0SHajimu UMEMOTO #endif 303f85162f0SHajimu UMEMOTO 304f85162f0SHajimu UMEMOTO #ifndef __BIND_NOSTATIC 305f85162f0SHajimu UMEMOTO #define fp_nquery __fp_nquery 306f85162f0SHajimu UMEMOTO #define fp_query __fp_query 307f85162f0SHajimu UMEMOTO #define hostalias __hostalias 308f85162f0SHajimu UMEMOTO #define p_query __p_query 309f85162f0SHajimu UMEMOTO #define res_close __res_close 310f85162f0SHajimu UMEMOTO #define res_init __res_init 311f85162f0SHajimu UMEMOTO #define res_isourserver __res_isourserver 312f85162f0SHajimu UMEMOTO #define res_mkquery __res_mkquery 313f85162f0SHajimu UMEMOTO #define res_query __res_query 314f85162f0SHajimu UMEMOTO #define res_querydomain __res_querydomain 315f85162f0SHajimu UMEMOTO #define res_search __res_search 316f85162f0SHajimu UMEMOTO #define res_send __res_send 317f85162f0SHajimu UMEMOTO #define res_sendsigned __res_sendsigned 318f85162f0SHajimu UMEMOTO 319f85162f0SHajimu UMEMOTO __BEGIN_DECLS 320f85162f0SHajimu UMEMOTO void fp_nquery __P((const u_char *, int, FILE *)); 321f85162f0SHajimu UMEMOTO void fp_query __P((const u_char *, FILE *)); 322f85162f0SHajimu UMEMOTO const char * hostalias __P((const char *)); 323f85162f0SHajimu UMEMOTO void p_query __P((const u_char *)); 324f85162f0SHajimu UMEMOTO void res_close __P((void)); 325f85162f0SHajimu UMEMOTO int res_init __P((void)); 326f85162f0SHajimu UMEMOTO int res_isourserver __P((const struct sockaddr_in *)); 327f85162f0SHajimu UMEMOTO int res_mkquery __P((int, const char *, int, int, const u_char *, 328f85162f0SHajimu UMEMOTO int, const u_char *, u_char *, int)); 329f85162f0SHajimu UMEMOTO int res_query __P((const char *, int, int, u_char *, int)); 330f85162f0SHajimu UMEMOTO int res_querydomain __P((const char *, const char *, int, int, 331f85162f0SHajimu UMEMOTO u_char *, int)); 332f85162f0SHajimu UMEMOTO int res_search __P((const char *, int, int, u_char *, int)); 333f85162f0SHajimu UMEMOTO int res_send __P((const u_char *, int, u_char *, int)); 334f85162f0SHajimu UMEMOTO int res_sendsigned __P((const u_char *, int, ns_tsig_key *, 335f85162f0SHajimu UMEMOTO u_char *, int)); 336f85162f0SHajimu UMEMOTO __END_DECLS 337f85162f0SHajimu UMEMOTO #endif 338f85162f0SHajimu UMEMOTO 339f85162f0SHajimu UMEMOTO #if !defined(SHARED_LIBBIND) || defined(LIB) 340f85162f0SHajimu UMEMOTO /* 341f85162f0SHajimu UMEMOTO * If libbind is a shared object (well, DLL anyway) 342f85162f0SHajimu UMEMOTO * these externs break the linker when resolv.h is 343f85162f0SHajimu UMEMOTO * included by a lib client (like named) 344f85162f0SHajimu UMEMOTO * Make them go away if a client is including this 345f85162f0SHajimu UMEMOTO * 346f85162f0SHajimu UMEMOTO */ 347f85162f0SHajimu UMEMOTO extern const struct res_sym __p_key_syms[]; 348f85162f0SHajimu UMEMOTO extern const struct res_sym __p_cert_syms[]; 349f85162f0SHajimu UMEMOTO extern const struct res_sym __p_class_syms[]; 350f85162f0SHajimu UMEMOTO extern const struct res_sym __p_type_syms[]; 351f85162f0SHajimu UMEMOTO extern const struct res_sym __p_rcode_syms[]; 352f85162f0SHajimu UMEMOTO #endif /* SHARED_LIBBIND */ 353f85162f0SHajimu UMEMOTO 354f85162f0SHajimu UMEMOTO #define b64_ntop __b64_ntop 355f85162f0SHajimu UMEMOTO #define b64_pton __b64_pton 356f85162f0SHajimu UMEMOTO #define dn_comp __dn_comp 357f85162f0SHajimu UMEMOTO #define dn_count_labels __dn_count_labels 358f85162f0SHajimu UMEMOTO #define dn_expand __dn_expand 359f85162f0SHajimu UMEMOTO #define dn_skipname __dn_skipname 360f85162f0SHajimu UMEMOTO #define fp_resstat __fp_resstat 361f85162f0SHajimu UMEMOTO #define loc_aton __loc_aton 362f85162f0SHajimu UMEMOTO #define loc_ntoa __loc_ntoa 363f85162f0SHajimu UMEMOTO #define p_cdname __p_cdname 364f85162f0SHajimu UMEMOTO #define p_cdnname __p_cdnname 365f85162f0SHajimu UMEMOTO #define p_class __p_class 366f85162f0SHajimu UMEMOTO #define p_fqname __p_fqname 367f85162f0SHajimu UMEMOTO #define p_fqnname __p_fqnname 368f85162f0SHajimu UMEMOTO #define p_option __p_option 369f85162f0SHajimu UMEMOTO #define p_secstodate __p_secstodate 370f85162f0SHajimu UMEMOTO #define p_section __p_section 371f85162f0SHajimu UMEMOTO #define p_time __p_time 372f85162f0SHajimu UMEMOTO #define p_type __p_type 373f85162f0SHajimu UMEMOTO #define p_rcode __p_rcode 374f85162f0SHajimu UMEMOTO #define p_sockun __p_sockun 375f85162f0SHajimu UMEMOTO #define putlong __putlong 376f85162f0SHajimu UMEMOTO #define putshort __putshort 377f85162f0SHajimu UMEMOTO #define res_dnok __res_dnok 378f85162f0SHajimu UMEMOTO #define res_findzonecut __res_findzonecut 379f85162f0SHajimu UMEMOTO #define res_findzonecut2 __res_findzonecut2 380f85162f0SHajimu UMEMOTO #define res_hnok __res_hnok 381f85162f0SHajimu UMEMOTO #define res_hostalias __res_hostalias 382f85162f0SHajimu UMEMOTO #define res_mailok __res_mailok 383f85162f0SHajimu UMEMOTO #define res_nameinquery __res_nameinquery 384f85162f0SHajimu UMEMOTO #define res_nclose __res_nclose 385f85162f0SHajimu UMEMOTO #define res_ninit __res_ninit 386f85162f0SHajimu UMEMOTO #define res_nmkquery __res_nmkquery 387f85162f0SHajimu UMEMOTO #define res_pquery __res_pquery 388f85162f0SHajimu UMEMOTO #define res_nquery __res_nquery 389f85162f0SHajimu UMEMOTO #define res_nquerydomain __res_nquerydomain 390f85162f0SHajimu UMEMOTO #define res_nsearch __res_nsearch 391f85162f0SHajimu UMEMOTO #define res_nsend __res_nsend 392f85162f0SHajimu UMEMOTO #define res_nsendsigned __res_nsendsigned 393f85162f0SHajimu UMEMOTO #define res_nisourserver __res_nisourserver 394f85162f0SHajimu UMEMOTO #define res_ownok __res_ownok 395f85162f0SHajimu UMEMOTO #define res_queriesmatch __res_queriesmatch 396*046c3635SPedro F. Giffuni #define res_rndinit __res_rndinit 397f85162f0SHajimu UMEMOTO #define res_randomid __res_randomid 398*046c3635SPedro F. Giffuni #define res_nrandomid __res_nrandomid 399f85162f0SHajimu UMEMOTO #define sym_ntop __sym_ntop 400f85162f0SHajimu UMEMOTO #define sym_ntos __sym_ntos 401f85162f0SHajimu UMEMOTO #define sym_ston __sym_ston 402f85162f0SHajimu UMEMOTO #define res_nopt __res_nopt 4039aeb4147SHajimu UMEMOTO #define res_nopt_rdata __res_nopt_rdata 404f85162f0SHajimu UMEMOTO #define res_ndestroy __res_ndestroy 405f85162f0SHajimu UMEMOTO #define res_nametoclass __res_nametoclass 406f85162f0SHajimu UMEMOTO #define res_nametotype __res_nametotype 407f85162f0SHajimu UMEMOTO #define res_setservers __res_setservers 408f85162f0SHajimu UMEMOTO #define res_getservers __res_getservers 409f85162f0SHajimu UMEMOTO #define res_buildprotolist __res_buildprotolist 410f85162f0SHajimu UMEMOTO #define res_destroyprotolist __res_destroyprotolist 411f85162f0SHajimu UMEMOTO #define res_destroyservicelist __res_destroyservicelist 412f85162f0SHajimu UMEMOTO #define res_get_nibblesuffix __res_get_nibblesuffix 413f85162f0SHajimu UMEMOTO #define res_get_nibblesuffix2 __res_get_nibblesuffix2 414f85162f0SHajimu UMEMOTO #define res_ourserver_p __res_ourserver_p 415f85162f0SHajimu UMEMOTO #define res_protocolname __res_protocolname 416f85162f0SHajimu UMEMOTO #define res_protocolnumber __res_protocolnumber 417f85162f0SHajimu UMEMOTO #define res_send_setqhook __res_send_setqhook 418f85162f0SHajimu UMEMOTO #define res_send_setrhook __res_send_setrhook 419f85162f0SHajimu UMEMOTO #define res_servicename __res_servicename 420f85162f0SHajimu UMEMOTO #define res_servicenumber __res_servicenumber 421f85162f0SHajimu UMEMOTO __BEGIN_DECLS 422f85162f0SHajimu UMEMOTO int res_hnok __P((const char *)); 423f85162f0SHajimu UMEMOTO int res_ownok __P((const char *)); 424f85162f0SHajimu UMEMOTO int res_mailok __P((const char *)); 425f85162f0SHajimu UMEMOTO int res_dnok __P((const char *)); 426f85162f0SHajimu UMEMOTO int sym_ston __P((const struct res_sym *, const char *, int *)); 427f85162f0SHajimu UMEMOTO const char * sym_ntos __P((const struct res_sym *, int, int *)); 428f85162f0SHajimu UMEMOTO const char * sym_ntop __P((const struct res_sym *, int, int *)); 429f85162f0SHajimu UMEMOTO int b64_ntop __P((u_char const *, size_t, char *, size_t)); 430f85162f0SHajimu UMEMOTO int b64_pton __P((char const *, u_char *, size_t)); 431f85162f0SHajimu UMEMOTO int loc_aton __P((const char *, u_char *)); 432f85162f0SHajimu UMEMOTO const char * loc_ntoa __P((const u_char *, char *)); 433f85162f0SHajimu UMEMOTO int dn_skipname __P((const u_char *, const u_char *)); 434f85162f0SHajimu UMEMOTO void putlong __P((u_int32_t, u_char *)); 435f85162f0SHajimu UMEMOTO void putshort __P((u_int16_t, u_char *)); 436f85162f0SHajimu UMEMOTO #ifndef __ultrix__ 437f85162f0SHajimu UMEMOTO u_int16_t _getshort __P((const u_char *)); 438f85162f0SHajimu UMEMOTO u_int32_t _getlong __P((const u_char *)); 439f85162f0SHajimu UMEMOTO #endif 440f85162f0SHajimu UMEMOTO const char * p_class __P((int)); 441f85162f0SHajimu UMEMOTO const char * p_time __P((u_int32_t)); 442f85162f0SHajimu UMEMOTO const char * p_type __P((int)); 443f85162f0SHajimu UMEMOTO const char * p_rcode __P((int)); 444f85162f0SHajimu UMEMOTO const char * p_sockun __P((union res_sockaddr_union, char *, size_t)); 445f85162f0SHajimu UMEMOTO const u_char * p_cdnname __P((const u_char *, const u_char *, int, FILE *)); 446f85162f0SHajimu UMEMOTO const u_char * p_cdname __P((const u_char *, const u_char *, FILE *)); 447f85162f0SHajimu UMEMOTO const u_char * p_fqnname __P((const u_char *, const u_char *, 448f85162f0SHajimu UMEMOTO int, char *, int)); 449f85162f0SHajimu UMEMOTO const u_char * p_fqname __P((const u_char *, const u_char *, FILE *)); 450f85162f0SHajimu UMEMOTO const char * p_option __P((u_long)); 451f85162f0SHajimu UMEMOTO char * p_secstodate __P((u_long)); 452f85162f0SHajimu UMEMOTO int dn_count_labels __P((const char *)); 453f85162f0SHajimu UMEMOTO int dn_comp __P((const char *, u_char *, int, 454f85162f0SHajimu UMEMOTO u_char **, u_char **)); 455f85162f0SHajimu UMEMOTO int dn_expand __P((const u_char *, const u_char *, const u_char *, 456f85162f0SHajimu UMEMOTO char *, int)); 457*046c3635SPedro F. Giffuni void res_rndinit __P((res_state)); 458f85162f0SHajimu UMEMOTO u_int res_randomid __P((void)); 459*046c3635SPedro F. Giffuni u_int res_nrandomid __P((res_state)); 460f85162f0SHajimu UMEMOTO int res_nameinquery __P((const char *, int, int, const u_char *, 461f85162f0SHajimu UMEMOTO const u_char *)); 462f85162f0SHajimu UMEMOTO int res_queriesmatch __P((const u_char *, const u_char *, 463f85162f0SHajimu UMEMOTO const u_char *, const u_char *)); 464f85162f0SHajimu UMEMOTO const char * p_section __P((int, int)); 465f85162f0SHajimu UMEMOTO /* Things involving a resolver context. */ 466f85162f0SHajimu UMEMOTO int res_ninit __P((res_state)); 467f85162f0SHajimu UMEMOTO int res_nisourserver __P((const res_state, 468f85162f0SHajimu UMEMOTO const struct sockaddr_in *)); 469f85162f0SHajimu UMEMOTO void fp_resstat __P((const res_state, FILE *)); 470f85162f0SHajimu UMEMOTO void res_pquery __P((const res_state, const u_char *, int, FILE *)); 471f85162f0SHajimu UMEMOTO const char * res_hostalias __P((const res_state, const char *, 472f85162f0SHajimu UMEMOTO char *, size_t)); 473f85162f0SHajimu UMEMOTO int res_nquery __P((res_state, const char *, int, int, 474f85162f0SHajimu UMEMOTO u_char *, int)); 475f85162f0SHajimu UMEMOTO int res_nsearch __P((res_state, const char *, int, int, u_char *, 476f85162f0SHajimu UMEMOTO int)); 477f85162f0SHajimu UMEMOTO int res_nquerydomain __P((res_state, const char *, const char *, 478f85162f0SHajimu UMEMOTO int, int, u_char *, int)); 479f85162f0SHajimu UMEMOTO int res_nmkquery __P((res_state, int, const char *, int, int, 480f85162f0SHajimu UMEMOTO const u_char *, int, const u_char *, 481f85162f0SHajimu UMEMOTO u_char *, int)); 482f85162f0SHajimu UMEMOTO int res_nsend __P((res_state, const u_char *, int, u_char *, int)); 483f85162f0SHajimu UMEMOTO int res_nsendsigned __P((res_state, const u_char *, int, 484f85162f0SHajimu UMEMOTO ns_tsig_key *, u_char *, int)); 485f85162f0SHajimu UMEMOTO int res_findzonecut __P((res_state, const char *, ns_class, int, 486f85162f0SHajimu UMEMOTO char *, size_t, struct in_addr *, int)); 487f85162f0SHajimu UMEMOTO int res_findzonecut2 __P((res_state, const char *, ns_class, int, 488f85162f0SHajimu UMEMOTO char *, size_t, 489f85162f0SHajimu UMEMOTO union res_sockaddr_union *, int)); 490f85162f0SHajimu UMEMOTO void res_nclose __P((res_state)); 491f85162f0SHajimu UMEMOTO int res_nopt __P((res_state, int, u_char *, int, int)); 4929aeb4147SHajimu UMEMOTO int res_nopt_rdata __P((res_state, int, u_char *, int, u_char *, 4939aeb4147SHajimu UMEMOTO u_short, u_short, u_char *)); 494f85162f0SHajimu UMEMOTO void res_send_setqhook __P((res_send_qhook)); 495f85162f0SHajimu UMEMOTO void res_send_setrhook __P((res_send_rhook)); 496f85162f0SHajimu UMEMOTO int __res_vinit __P((res_state, int)); 497f85162f0SHajimu UMEMOTO void res_destroyservicelist __P((void)); 498f85162f0SHajimu UMEMOTO const char * res_servicename __P((u_int16_t, const char *)); 499f85162f0SHajimu UMEMOTO const char * res_protocolname __P((int)); 500f85162f0SHajimu UMEMOTO void res_destroyprotolist __P((void)); 501f85162f0SHajimu UMEMOTO void res_buildprotolist __P((void)); 502f85162f0SHajimu UMEMOTO const char * res_get_nibblesuffix __P((res_state)); 503f85162f0SHajimu UMEMOTO const char * res_get_nibblesuffix2 __P((res_state)); 504f85162f0SHajimu UMEMOTO void res_ndestroy __P((res_state)); 505f85162f0SHajimu UMEMOTO u_int16_t res_nametoclass __P((const char *, int *)); 506f85162f0SHajimu UMEMOTO u_int16_t res_nametotype __P((const char *, int *)); 507f85162f0SHajimu UMEMOTO void res_setservers __P((res_state, 508f85162f0SHajimu UMEMOTO const union res_sockaddr_union *, int)); 509f85162f0SHajimu UMEMOTO int res_getservers __P((res_state, 510f85162f0SHajimu UMEMOTO union res_sockaddr_union *, int)); 511f85162f0SHajimu UMEMOTO __END_DECLS 512f85162f0SHajimu UMEMOTO 513f85162f0SHajimu UMEMOTO #endif /* !_RESOLV_H_ */ 514861249f5SHajimu UMEMOTO /*! \file */ 515