1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 3*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 4*7c478bd9Sstevel@tonic-gate * 5*7c478bd9Sstevel@tonic-gate * Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T 6*7c478bd9Sstevel@tonic-gate * All Rights Reserved 7*7c478bd9Sstevel@tonic-gate * 8*7c478bd9Sstevel@tonic-gate * Portions of this source code were derived from Berkeley 9*7c478bd9Sstevel@tonic-gate * 4.3 BSD under license from the regents of the University of 10*7c478bd9Sstevel@tonic-gate * California. 11*7c478bd9Sstevel@tonic-gate */ 12*7c478bd9Sstevel@tonic-gate 13*7c478bd9Sstevel@tonic-gate /* 14*7c478bd9Sstevel@tonic-gate * BIND 4.9.4: 15*7c478bd9Sstevel@tonic-gate */ 16*7c478bd9Sstevel@tonic-gate 17*7c478bd9Sstevel@tonic-gate /* 18*7c478bd9Sstevel@tonic-gate * Portions Copyright (c) 1993 by Digital Equipment Corporation. 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * Permission to use, copy, modify, and distribute this software for any 21*7c478bd9Sstevel@tonic-gate * purpose with or without fee is hereby granted, provided that the above 22*7c478bd9Sstevel@tonic-gate * copyright notice and this permission notice appear in all copies, and that 23*7c478bd9Sstevel@tonic-gate * the name of Digital Equipment Corporation not be used in advertising or 24*7c478bd9Sstevel@tonic-gate * publicity pertaining to distribution of the document or software without 25*7c478bd9Sstevel@tonic-gate * specific, written prior permission. 26*7c478bd9Sstevel@tonic-gate * 27*7c478bd9Sstevel@tonic-gate * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL 28*7c478bd9Sstevel@tonic-gate * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES 29*7c478bd9Sstevel@tonic-gate * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT 30*7c478bd9Sstevel@tonic-gate * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 31*7c478bd9Sstevel@tonic-gate * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 32*7c478bd9Sstevel@tonic-gate * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS 33*7c478bd9Sstevel@tonic-gate * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 34*7c478bd9Sstevel@tonic-gate * SOFTWARE. 35*7c478bd9Sstevel@tonic-gate * --Copyright-- 36*7c478bd9Sstevel@tonic-gate * 37*7c478bd9Sstevel@tonic-gate * End BIND 4.9.4 38*7c478bd9Sstevel@tonic-gate */ 39*7c478bd9Sstevel@tonic-gate 40*7c478bd9Sstevel@tonic-gate /* 41*7c478bd9Sstevel@tonic-gate * Copyright (c) 1983, 1987, 1989 42*7c478bd9Sstevel@tonic-gate * The Regents of the University of California. All rights reserved. 43*7c478bd9Sstevel@tonic-gate * 44*7c478bd9Sstevel@tonic-gate * Redistribution and use in source and binary forms, with or without 45*7c478bd9Sstevel@tonic-gate * modification, are permitted provided that the following conditions 46*7c478bd9Sstevel@tonic-gate * are met: 47*7c478bd9Sstevel@tonic-gate * 1. Redistributions of source code must retain the above copyright 48*7c478bd9Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer. 49*7c478bd9Sstevel@tonic-gate * 2. Redistributions in binary form must reproduce the above copyright 50*7c478bd9Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer in the 51*7c478bd9Sstevel@tonic-gate * documentation and/or other materials provided with the distribution. 52*7c478bd9Sstevel@tonic-gate * 3. All advertising materials mentioning features or use of this software 53*7c478bd9Sstevel@tonic-gate * must display the following acknowledgement: 54*7c478bd9Sstevel@tonic-gate * This product includes software developed by the University of 55*7c478bd9Sstevel@tonic-gate * California, Berkeley and its contributors. 56*7c478bd9Sstevel@tonic-gate * 4. Neither the name of the University nor the names of its contributors 57*7c478bd9Sstevel@tonic-gate * may be used to endorse or promote products derived from this software 58*7c478bd9Sstevel@tonic-gate * without specific prior written permission. 59*7c478bd9Sstevel@tonic-gate * 60*7c478bd9Sstevel@tonic-gate * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 61*7c478bd9Sstevel@tonic-gate * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 62*7c478bd9Sstevel@tonic-gate * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 63*7c478bd9Sstevel@tonic-gate * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 64*7c478bd9Sstevel@tonic-gate * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 65*7c478bd9Sstevel@tonic-gate * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 66*7c478bd9Sstevel@tonic-gate * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 67*7c478bd9Sstevel@tonic-gate * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 68*7c478bd9Sstevel@tonic-gate * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 69*7c478bd9Sstevel@tonic-gate * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 70*7c478bd9Sstevel@tonic-gate * SUCH DAMAGE. 71*7c478bd9Sstevel@tonic-gate */ 72*7c478bd9Sstevel@tonic-gate 73*7c478bd9Sstevel@tonic-gate /* 74*7c478bd9Sstevel@tonic-gate * Portions Copyright (c) 1996-1999 by Internet Software Consortium. 75*7c478bd9Sstevel@tonic-gate * 76*7c478bd9Sstevel@tonic-gate * Permission to use, copy, modify, and distribute this software for any 77*7c478bd9Sstevel@tonic-gate * purpose with or without fee is hereby granted, provided that the above 78*7c478bd9Sstevel@tonic-gate * copyright notice and this permission notice appear in all copies. 79*7c478bd9Sstevel@tonic-gate * 80*7c478bd9Sstevel@tonic-gate * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS 81*7c478bd9Sstevel@tonic-gate * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES 82*7c478bd9Sstevel@tonic-gate * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE 83*7c478bd9Sstevel@tonic-gate * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 84*7c478bd9Sstevel@tonic-gate * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 85*7c478bd9Sstevel@tonic-gate * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS 86*7c478bd9Sstevel@tonic-gate * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 87*7c478bd9Sstevel@tonic-gate * SOFTWARE. 88*7c478bd9Sstevel@tonic-gate */ 89*7c478bd9Sstevel@tonic-gate 90*7c478bd9Sstevel@tonic-gate /* 91*7c478bd9Sstevel@tonic-gate * @(#)resolv.h 8.1 (Berkeley) 6/2/93 92*7c478bd9Sstevel@tonic-gate * $Id: resolv.h,v 8.52 2003/04/29 02:27:03 marka Exp $ 93*7c478bd9Sstevel@tonic-gate */ 94*7c478bd9Sstevel@tonic-gate 95*7c478bd9Sstevel@tonic-gate #ifndef _RESOLV_H_ 96*7c478bd9Sstevel@tonic-gate #define _RESOLV_H_ 97*7c478bd9Sstevel@tonic-gate 98*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 99*7c478bd9Sstevel@tonic-gate 100*7c478bd9Sstevel@tonic-gate #include <sys/param.h> 101*7c478bd9Sstevel@tonic-gate 102*7c478bd9Sstevel@tonic-gate #include <stdio.h> 103*7c478bd9Sstevel@tonic-gate #include <arpa/nameser.h> 104*7c478bd9Sstevel@tonic-gate #include <sys/socket.h> 105*7c478bd9Sstevel@tonic-gate 106*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 107*7c478bd9Sstevel@tonic-gate extern "C" { 108*7c478bd9Sstevel@tonic-gate #endif 109*7c478bd9Sstevel@tonic-gate 110*7c478bd9Sstevel@tonic-gate /* 111*7c478bd9Sstevel@tonic-gate * Revision information. This is the release date in YYYYMMDD format. 112*7c478bd9Sstevel@tonic-gate * It can change every day so the right thing to do with it is use it 113*7c478bd9Sstevel@tonic-gate * in preprocessor commands such as "#if (__RES > 19931104)". Do not 114*7c478bd9Sstevel@tonic-gate * compare for equality; rather, use it to determine whether your resolver 115*7c478bd9Sstevel@tonic-gate * is new enough to contain a certain feature. 116*7c478bd9Sstevel@tonic-gate */ 117*7c478bd9Sstevel@tonic-gate 118*7c478bd9Sstevel@tonic-gate #define __RES 20030124 119*7c478bd9Sstevel@tonic-gate 120*7c478bd9Sstevel@tonic-gate #define RES_SET_H_ERRNO(r, x) __h_errno_set(r, x) 121*7c478bd9Sstevel@tonic-gate struct __res_state; /* forward */ 122*7c478bd9Sstevel@tonic-gate 123*7c478bd9Sstevel@tonic-gate void __h_errno_set(struct __res_state *res, int err); 124*7c478bd9Sstevel@tonic-gate 125*7c478bd9Sstevel@tonic-gate /* 126*7c478bd9Sstevel@tonic-gate * Resolver configuration file. 127*7c478bd9Sstevel@tonic-gate * Normally not present, but may contain the address of the 128*7c478bd9Sstevel@tonic-gate * initial name server(s) to query and the domain search list. 129*7c478bd9Sstevel@tonic-gate */ 130*7c478bd9Sstevel@tonic-gate 131*7c478bd9Sstevel@tonic-gate #ifndef _PATH_RESCONF 132*7c478bd9Sstevel@tonic-gate #define _PATH_RESCONF "/etc/resolv.conf" 133*7c478bd9Sstevel@tonic-gate #endif 134*7c478bd9Sstevel@tonic-gate 135*7c478bd9Sstevel@tonic-gate #ifdef __STDC__ 136*7c478bd9Sstevel@tonic-gate #ifndef __P 137*7c478bd9Sstevel@tonic-gate #define __P(x) x 138*7c478bd9Sstevel@tonic-gate #endif 139*7c478bd9Sstevel@tonic-gate #else 140*7c478bd9Sstevel@tonic-gate #ifndef __P 141*7c478bd9Sstevel@tonic-gate #define __P(x) () 142*7c478bd9Sstevel@tonic-gate #endif 143*7c478bd9Sstevel@tonic-gate #endif /* __STDC__ */ 144*7c478bd9Sstevel@tonic-gate 145*7c478bd9Sstevel@tonic-gate typedef enum { res_goahead, res_nextns, res_modified, res_done, res_error } 146*7c478bd9Sstevel@tonic-gate res_sendhookact; 147*7c478bd9Sstevel@tonic-gate 148*7c478bd9Sstevel@tonic-gate typedef res_sendhookact (*res_send_qhook)__P((struct sockaddr * const *ns, 149*7c478bd9Sstevel@tonic-gate const uchar_t **query, 150*7c478bd9Sstevel@tonic-gate int *querylen, 151*7c478bd9Sstevel@tonic-gate uchar_t *ans, 152*7c478bd9Sstevel@tonic-gate int anssiz, 153*7c478bd9Sstevel@tonic-gate int *resplen)); 154*7c478bd9Sstevel@tonic-gate 155*7c478bd9Sstevel@tonic-gate typedef res_sendhookact (*res_send_rhook)__P((const struct sockaddr *ns, 156*7c478bd9Sstevel@tonic-gate const uchar_t *query, 157*7c478bd9Sstevel@tonic-gate int querylen, 158*7c478bd9Sstevel@tonic-gate uchar_t *ans, 159*7c478bd9Sstevel@tonic-gate int anssiz, 160*7c478bd9Sstevel@tonic-gate int *resplen)); 161*7c478bd9Sstevel@tonic-gate 162*7c478bd9Sstevel@tonic-gate struct res_sym { 163*7c478bd9Sstevel@tonic-gate int number; /* Identifying number, like T_MX */ 164*7c478bd9Sstevel@tonic-gate const char *name; /* Its symbolic name, like "MX" */ 165*7c478bd9Sstevel@tonic-gate const char *humanname; /* Its fun name, like "mail exchanger" */ 166*7c478bd9Sstevel@tonic-gate }; 167*7c478bd9Sstevel@tonic-gate 168*7c478bd9Sstevel@tonic-gate /* 169*7c478bd9Sstevel@tonic-gate * Global defines and variables for resolver stub. 170*7c478bd9Sstevel@tonic-gate */ 171*7c478bd9Sstevel@tonic-gate /* ADDRSORT and MAXADDR retained for compatibility; not used */ 172*7c478bd9Sstevel@tonic-gate #define ADDRSORT 1 /* enable the address-sorting option */ 173*7c478bd9Sstevel@tonic-gate #define MAXADDR 10 /* max # addresses to sort by */ 174*7c478bd9Sstevel@tonic-gate 175*7c478bd9Sstevel@tonic-gate #define MAXNS 3 /* max # name servers we'll track */ 176*7c478bd9Sstevel@tonic-gate #define MAXDFLSRCH 3 /* # default domain levels to try */ 177*7c478bd9Sstevel@tonic-gate #define MAXDNSRCH 6 /* max # domains in search path */ 178*7c478bd9Sstevel@tonic-gate #define LOCALDOMAINPARTS 2 /* min levels in name that is "local" */ 179*7c478bd9Sstevel@tonic-gate 180*7c478bd9Sstevel@tonic-gate #define RES_TIMEOUT 5 /* min. seconds between retries */ 181*7c478bd9Sstevel@tonic-gate #define MAXRESOLVSORT 10 /* number of net to sort on */ 182*7c478bd9Sstevel@tonic-gate #define RES_MAXNDOTS 15 /* should reflect bit field size */ 183*7c478bd9Sstevel@tonic-gate #define RES_MAXRETRANS 30 /* only for resolv.conf/RES_OPTIONS */ 184*7c478bd9Sstevel@tonic-gate #define RES_MAXRETRY 5 /* only for resolv.conf/RES_OPTIONS */ 185*7c478bd9Sstevel@tonic-gate #define RES_DFLRETRY 2 /* Default #/tries. */ 186*7c478bd9Sstevel@tonic-gate #define RES_MAXTIME 65535 /* Infinity, in milliseconds. */ 187*7c478bd9Sstevel@tonic-gate 188*7c478bd9Sstevel@tonic-gate struct __res_state_ext; 189*7c478bd9Sstevel@tonic-gate 190*7c478bd9Sstevel@tonic-gate struct __res_state { 191*7c478bd9Sstevel@tonic-gate int retrans; /* retransmission time interval */ 192*7c478bd9Sstevel@tonic-gate int retry; /* number of times to retransmit */ 193*7c478bd9Sstevel@tonic-gate #ifdef __sun 194*7c478bd9Sstevel@tonic-gate uint_t options; /* option flags - see below. */ 195*7c478bd9Sstevel@tonic-gate #else 196*7c478bd9Sstevel@tonic-gate ulong_t options; /* option flags - see below. */ 197*7c478bd9Sstevel@tonic-gate #endif 198*7c478bd9Sstevel@tonic-gate int nscount; /* number of name servers */ 199*7c478bd9Sstevel@tonic-gate struct sockaddr_in 200*7c478bd9Sstevel@tonic-gate nsaddr_list[MAXNS]; /* address of name server */ 201*7c478bd9Sstevel@tonic-gate #define nsaddr nsaddr_list[0] /* for backward compatibility */ 202*7c478bd9Sstevel@tonic-gate ushort_t id; /* current packet id */ 203*7c478bd9Sstevel@tonic-gate char *dnsrch[MAXDNSRCH+1]; /* components of domain to search */ 204*7c478bd9Sstevel@tonic-gate char defdname[256]; /* default domain (deprecated) */ 205*7c478bd9Sstevel@tonic-gate #ifdef __sun 206*7c478bd9Sstevel@tonic-gate uint_t pfcode; /* RES_PRF_ flags - see below. */ 207*7c478bd9Sstevel@tonic-gate #else 208*7c478bd9Sstevel@tonic-gate ulong_t pfcode; /* RES_PRF_ flags - see below. */ 209*7c478bd9Sstevel@tonic-gate #endif 210*7c478bd9Sstevel@tonic-gate unsigned ndots:4; /* threshold for initial abs. query */ 211*7c478bd9Sstevel@tonic-gate unsigned nsort:4; /* number of elements in sort_list[] */ 212*7c478bd9Sstevel@tonic-gate char unused[3]; 213*7c478bd9Sstevel@tonic-gate struct { 214*7c478bd9Sstevel@tonic-gate struct in_addr addr; 215*7c478bd9Sstevel@tonic-gate unsigned int mask; 216*7c478bd9Sstevel@tonic-gate } sort_list[MAXRESOLVSORT]; 217*7c478bd9Sstevel@tonic-gate res_send_qhook qhook; /* query hook */ 218*7c478bd9Sstevel@tonic-gate res_send_rhook rhook; /* response hook */ 219*7c478bd9Sstevel@tonic-gate int res_h_errno; /* last one set for this context */ 220*7c478bd9Sstevel@tonic-gate int _vcsock; /* PRIVATE: for res_send VC i/o */ 221*7c478bd9Sstevel@tonic-gate uint_t _flags; /* PRIVATE: see below */ 222*7c478bd9Sstevel@tonic-gate uint_t _pad; /* make _u 64 bit aligned */ 223*7c478bd9Sstevel@tonic-gate union { 224*7c478bd9Sstevel@tonic-gate /* On an 32-bit arch this means 512b total. */ 225*7c478bd9Sstevel@tonic-gate char pad[72 - 4*sizeof (int) - 2*sizeof (void *)]; 226*7c478bd9Sstevel@tonic-gate struct { 227*7c478bd9Sstevel@tonic-gate uint16_t nscount; 228*7c478bd9Sstevel@tonic-gate uint16_t nstimes[MAXNS]; /* ms. */ 229*7c478bd9Sstevel@tonic-gate int nssocks[MAXNS]; 230*7c478bd9Sstevel@tonic-gate struct __res_state_ext *ext; /* extention for IPv6 */ 231*7c478bd9Sstevel@tonic-gate } _ext; 232*7c478bd9Sstevel@tonic-gate } _u; 233*7c478bd9Sstevel@tonic-gate }; 234*7c478bd9Sstevel@tonic-gate 235*7c478bd9Sstevel@tonic-gate typedef struct __res_state *res_state; 236*7c478bd9Sstevel@tonic-gate 237*7c478bd9Sstevel@tonic-gate union res_sockaddr_union { 238*7c478bd9Sstevel@tonic-gate struct sockaddr_in sin; 239*7c478bd9Sstevel@tonic-gate #ifdef IN6ADDR_ANY_INIT 240*7c478bd9Sstevel@tonic-gate struct sockaddr_in6 sin6; 241*7c478bd9Sstevel@tonic-gate #endif 242*7c478bd9Sstevel@tonic-gate #ifdef ISC_ALIGN64 243*7c478bd9Sstevel@tonic-gate int64_t __align64; /* 64bit alignment */ 244*7c478bd9Sstevel@tonic-gate #else 245*7c478bd9Sstevel@tonic-gate int32_t __align32; /* 32bit alignment */ 246*7c478bd9Sstevel@tonic-gate #endif 247*7c478bd9Sstevel@tonic-gate char __space[128]; /* max size */ 248*7c478bd9Sstevel@tonic-gate }; 249*7c478bd9Sstevel@tonic-gate 250*7c478bd9Sstevel@tonic-gate /* 251*7c478bd9Sstevel@tonic-gate * Resolver flags (used to be discrete per-module statics ints). 252*7c478bd9Sstevel@tonic-gate */ 253*7c478bd9Sstevel@tonic-gate #define RES_F_VC 0x00000001 /* socket is TCP */ 254*7c478bd9Sstevel@tonic-gate #define RES_F_CONN 0x00000002 /* socket is connected */ 255*7c478bd9Sstevel@tonic-gate #define RES_F_EDNS0ERR 0x00000004 /* EDNS0 caused errors */ 256*7c478bd9Sstevel@tonic-gate #define RES_F__UNUSED 0x00000008 /* (unused) */ 257*7c478bd9Sstevel@tonic-gate #define RES_F_LASTMASK 0x000000F0 /* ordinal server of last res_nsend */ 258*7c478bd9Sstevel@tonic-gate #define RES_F_LASTSHIFT 4 /* bit position of LASTMASK "flag" */ 259*7c478bd9Sstevel@tonic-gate #define RES_GETLAST(res) (((res)._flags & RES_F_LASTMASK) >> RES_F_LASTSHIFT) 260*7c478bd9Sstevel@tonic-gate 261*7c478bd9Sstevel@tonic-gate /* res_findzonecut2() options */ 262*7c478bd9Sstevel@tonic-gate #define RES_EXHAUSTIVE 0x00000001 /* always do all queries */ 263*7c478bd9Sstevel@tonic-gate #define RES_IPV4ONLY 0x00000002 /* IPv4 only */ 264*7c478bd9Sstevel@tonic-gate #define RES_IPV6ONLY 0x00000004 /* IPv6 only */ 265*7c478bd9Sstevel@tonic-gate 266*7c478bd9Sstevel@tonic-gate /* 267*7c478bd9Sstevel@tonic-gate * Resolver options (keep these in synch with res_debug.c, please) 268*7c478bd9Sstevel@tonic-gate */ 269*7c478bd9Sstevel@tonic-gate #define RES_INIT 0x00000001 /* address initialized */ 270*7c478bd9Sstevel@tonic-gate #define RES_DEBUG 0x00000002 /* print debug messages */ 271*7c478bd9Sstevel@tonic-gate #define RES_AAONLY 0x00000004 /* authoritative answers only (!IMPL) */ 272*7c478bd9Sstevel@tonic-gate #define RES_USEVC 0x00000008 /* use virtual circuit */ 273*7c478bd9Sstevel@tonic-gate #define RES_PRIMARY 0x00000010 /* query primary server only (!IMPL) */ 274*7c478bd9Sstevel@tonic-gate #define RES_IGNTC 0x00000020 /* ignore trucation errors */ 275*7c478bd9Sstevel@tonic-gate #define RES_RECURSE 0x00000040 /* recursion desired */ 276*7c478bd9Sstevel@tonic-gate #define RES_DEFNAMES 0x00000080 /* use default domain name */ 277*7c478bd9Sstevel@tonic-gate #define RES_STAYOPEN 0x00000100 /* Keep TCP socket open */ 278*7c478bd9Sstevel@tonic-gate #define RES_DNSRCH 0x00000200 /* search up local domain tree */ 279*7c478bd9Sstevel@tonic-gate #define RES_INSECURE1 0x00000400 /* type 1 security disabled */ 280*7c478bd9Sstevel@tonic-gate #define RES_INSECURE2 0x00000800 /* type 2 security disabled */ 281*7c478bd9Sstevel@tonic-gate #define RES_NOALIASES 0x00001000 /* shuts off HOSTALIASES feature */ 282*7c478bd9Sstevel@tonic-gate #define RES_USE_INET6 0x00002000 /* use/map IPv6 in gethostbyname() */ 283*7c478bd9Sstevel@tonic-gate #define RES_ROTATE 0x00004000 /* rotate ns list after each query */ 284*7c478bd9Sstevel@tonic-gate #define RES_NOCHECKNAME 0x00008000 /* do not check names for sanity. */ 285*7c478bd9Sstevel@tonic-gate #define RES_KEEPTSIG 0x00010000 /* do not strip TSIG records */ 286*7c478bd9Sstevel@tonic-gate #define RES_BLAST 0x00020000 /* blast all recursive servers */ 287*7c478bd9Sstevel@tonic-gate #define RES_NO_NIBBLE 0x00040000 /* disable IPv6 nibble mode reverse */ 288*7c478bd9Sstevel@tonic-gate #define RES_NO_BITSTRING 0x00080000 /* disable IPv6 bitstring mode revrse */ 289*7c478bd9Sstevel@tonic-gate #define RES_NOTLDQUERY 0x00100000 /* don't unqualified name as a tld */ 290*7c478bd9Sstevel@tonic-gate #define RES_USE_DNSSEC 0x00200000 /* use DNSSEC using OK bit in OPT */ 291*7c478bd9Sstevel@tonic-gate /* KAME extensions: use higher bit to avoid conflict with ISC use */ 292*7c478bd9Sstevel@tonic-gate #define RES_USE_DNAME 0x10000000 /* use DNAME */ 293*7c478bd9Sstevel@tonic-gate #define RES_USE_EDNS0 0x40000000 /* use EDNS0 if configured */ 294*7c478bd9Sstevel@tonic-gate #define RES_NO_NIBBLE2 0x80000000 /* disable alternate nibble lookup */ 295*7c478bd9Sstevel@tonic-gate 296*7c478bd9Sstevel@tonic-gate #define RES_DEFAULT (RES_RECURSE | RES_DEFNAMES | RES_DNSRCH) 297*7c478bd9Sstevel@tonic-gate 298*7c478bd9Sstevel@tonic-gate /* 299*7c478bd9Sstevel@tonic-gate * Resolver "pfcode" values. Used by dig. 300*7c478bd9Sstevel@tonic-gate */ 301*7c478bd9Sstevel@tonic-gate #define RES_PRF_STATS 0x00000001 302*7c478bd9Sstevel@tonic-gate #define RES_PRF_UPDATE 0x00000002 303*7c478bd9Sstevel@tonic-gate #define RES_PRF_CLASS 0x00000004 304*7c478bd9Sstevel@tonic-gate #define RES_PRF_CMD 0x00000008 305*7c478bd9Sstevel@tonic-gate #define RES_PRF_QUES 0x00000010 306*7c478bd9Sstevel@tonic-gate #define RES_PRF_ANS 0x00000020 307*7c478bd9Sstevel@tonic-gate #define RES_PRF_AUTH 0x00000040 308*7c478bd9Sstevel@tonic-gate #define RES_PRF_ADD 0x00000080 309*7c478bd9Sstevel@tonic-gate #define RES_PRF_HEAD1 0x00000100 310*7c478bd9Sstevel@tonic-gate #define RES_PRF_HEAD2 0x00000200 311*7c478bd9Sstevel@tonic-gate #define RES_PRF_TTLID 0x00000400 312*7c478bd9Sstevel@tonic-gate #define RES_PRF_HEADX 0x00000800 313*7c478bd9Sstevel@tonic-gate #define RES_PRF_QUERY 0x00001000 314*7c478bd9Sstevel@tonic-gate #define RES_PRF_REPLY 0x00002000 315*7c478bd9Sstevel@tonic-gate #define RES_PRF_INIT 0x00004000 316*7c478bd9Sstevel@tonic-gate #define RES_PRF_TRUNC 0x00008000 317*7c478bd9Sstevel@tonic-gate /* 0x00010000 */ 318*7c478bd9Sstevel@tonic-gate 319*7c478bd9Sstevel@tonic-gate /* Things involving an internal (static) resolver context. */ 320*7c478bd9Sstevel@tonic-gate #ifdef _REENTRANT 321*7c478bd9Sstevel@tonic-gate extern struct __res_state *__res_state(void); 322*7c478bd9Sstevel@tonic-gate #define _res (*__res_state()) 323*7c478bd9Sstevel@tonic-gate #else 324*7c478bd9Sstevel@tonic-gate #ifndef __BIND_NOSTATIC 325*7c478bd9Sstevel@tonic-gate extern struct __res_state _res; 326*7c478bd9Sstevel@tonic-gate #endif 327*7c478bd9Sstevel@tonic-gate #endif 328*7c478bd9Sstevel@tonic-gate 329*7c478bd9Sstevel@tonic-gate #ifndef __BIND_NOSTATIC 330*7c478bd9Sstevel@tonic-gate void fp_nquery __P((const uchar_t *, int, FILE *)); 331*7c478bd9Sstevel@tonic-gate void fp_query __P((const uchar_t *, FILE *)); 332*7c478bd9Sstevel@tonic-gate const char *hostalias __P((const char *)); 333*7c478bd9Sstevel@tonic-gate void p_query __P((const uchar_t *)); 334*7c478bd9Sstevel@tonic-gate void res_close __P((void)); 335*7c478bd9Sstevel@tonic-gate int res_init __P((void)); 336*7c478bd9Sstevel@tonic-gate int res_isourserver __P((const struct sockaddr_in *)); 337*7c478bd9Sstevel@tonic-gate int res_mkquery __P((int, const char *, int, int, const uchar_t *, 338*7c478bd9Sstevel@tonic-gate int, const uchar_t *, uchar_t *, int)); 339*7c478bd9Sstevel@tonic-gate int res_query __P((const char *, int, int, uchar_t *, int)); 340*7c478bd9Sstevel@tonic-gate int res_querydomain __P((const char *, const char *, int, int, 341*7c478bd9Sstevel@tonic-gate uchar_t *, int)); 342*7c478bd9Sstevel@tonic-gate int res_search __P((const char *, int, int, uchar_t *, int)); 343*7c478bd9Sstevel@tonic-gate int res_send __P((const uchar_t *, int, uchar_t *, int)); 344*7c478bd9Sstevel@tonic-gate int res_sendsigned __P((const uchar_t *, int, ns_tsig_key *, 345*7c478bd9Sstevel@tonic-gate uchar_t *, int)); 346*7c478bd9Sstevel@tonic-gate #endif /* __BIND_NOSTATIC */ 347*7c478bd9Sstevel@tonic-gate 348*7c478bd9Sstevel@tonic-gate extern const struct res_sym __p_key_syms[]; 349*7c478bd9Sstevel@tonic-gate extern const struct res_sym __p_cert_syms[]; 350*7c478bd9Sstevel@tonic-gate extern const struct res_sym __p_class_syms[]; 351*7c478bd9Sstevel@tonic-gate extern const struct res_sym __p_type_syms[]; 352*7c478bd9Sstevel@tonic-gate extern const struct res_sym __p_rcode_syms[]; 353*7c478bd9Sstevel@tonic-gate 354*7c478bd9Sstevel@tonic-gate int res_hnok __P((const char *)); 355*7c478bd9Sstevel@tonic-gate int res_ownok __P((const char *)); 356*7c478bd9Sstevel@tonic-gate int res_mailok __P((const char *)); 357*7c478bd9Sstevel@tonic-gate int res_dnok __P((const char *)); 358*7c478bd9Sstevel@tonic-gate int sym_ston __P((const struct res_sym *, const char *, int *)); 359*7c478bd9Sstevel@tonic-gate const char *sym_ntos __P((const struct res_sym *, int, int *)); 360*7c478bd9Sstevel@tonic-gate const char *sym_ntop __P((const struct res_sym *, int, int *)); 361*7c478bd9Sstevel@tonic-gate int b64_ntop __P((uchar_t const *, size_t, char *, size_t)); 362*7c478bd9Sstevel@tonic-gate int b64_pton __P((char const *, uchar_t *, size_t)); 363*7c478bd9Sstevel@tonic-gate int loc_aton __P((const char *ascii, uchar_t *binary)); 364*7c478bd9Sstevel@tonic-gate const char *loc_ntoa __P((const uchar_t *binary, char *ascii)); 365*7c478bd9Sstevel@tonic-gate int dn_skipname __P((const uchar_t *, const uchar_t *)); 366*7c478bd9Sstevel@tonic-gate void putlong __P((unsigned int, uchar_t *)); 367*7c478bd9Sstevel@tonic-gate void putshort __P((unsigned short, uchar_t *)); 368*7c478bd9Sstevel@tonic-gate const char *p_class __P((int)); 369*7c478bd9Sstevel@tonic-gate const char *p_time __P((unsigned int)); 370*7c478bd9Sstevel@tonic-gate const char *p_type __P((int)); 371*7c478bd9Sstevel@tonic-gate const char *p_rcode __P((int)); 372*7c478bd9Sstevel@tonic-gate const char *p_sockun __P((union res_sockaddr_union, char *, size_t)); 373*7c478bd9Sstevel@tonic-gate const uchar_t *p_cdnname __P((const uchar_t *, const uchar_t *, int, 374*7c478bd9Sstevel@tonic-gate FILE *)); 375*7c478bd9Sstevel@tonic-gate const uchar_t *p_cdname __P((const uchar_t *, const uchar_t *, FILE *)); 376*7c478bd9Sstevel@tonic-gate const uchar_t *p_fqnname __P((const uchar_t *cp, const uchar_t *msg, 377*7c478bd9Sstevel@tonic-gate int, char *, int)); 378*7c478bd9Sstevel@tonic-gate const uchar_t *p_fqname __P((const uchar_t *, const uchar_t *, FILE *)); 379*7c478bd9Sstevel@tonic-gate const char *p_option __P((uint_t option)); 380*7c478bd9Sstevel@tonic-gate char *p_secstodate __P((uint_t)); 381*7c478bd9Sstevel@tonic-gate int dn_count_labels __P((const char *)); 382*7c478bd9Sstevel@tonic-gate int dn_comp __P((const char *, uchar_t *, int, 383*7c478bd9Sstevel@tonic-gate uchar_t **, uchar_t **)); 384*7c478bd9Sstevel@tonic-gate int dn_expand __P((const uchar_t *, const uchar_t *, 385*7c478bd9Sstevel@tonic-gate const uchar_t *, char *, int)); 386*7c478bd9Sstevel@tonic-gate uint_t res_randomid __P((void)); 387*7c478bd9Sstevel@tonic-gate int res_nameinquery __P((const char *, int, int, 388*7c478bd9Sstevel@tonic-gate const uchar_t *, const uchar_t *)); 389*7c478bd9Sstevel@tonic-gate int res_queriesmatch __P((const uchar_t *, const uchar_t *, 390*7c478bd9Sstevel@tonic-gate const uchar_t *, const uchar_t *)); 391*7c478bd9Sstevel@tonic-gate const char *p_section __P((int section, int opcode)); 392*7c478bd9Sstevel@tonic-gate 393*7c478bd9Sstevel@tonic-gate 394*7c478bd9Sstevel@tonic-gate /* Things involving a resolver context. */ 395*7c478bd9Sstevel@tonic-gate int res_ninit __P((res_state)); 396*7c478bd9Sstevel@tonic-gate int res_nisourserver __P((const res_state, 397*7c478bd9Sstevel@tonic-gate const struct sockaddr_in *)); 398*7c478bd9Sstevel@tonic-gate void fp_resstat __P((const res_state, FILE *)); 399*7c478bd9Sstevel@tonic-gate void res_pquery __P((const res_state, const uchar_t *, int, FILE *)); 400*7c478bd9Sstevel@tonic-gate const char *res_hostalias __P((const res_state, const char *, 401*7c478bd9Sstevel@tonic-gate char *, size_t)); 402*7c478bd9Sstevel@tonic-gate int res_nquery __P((res_state, 403*7c478bd9Sstevel@tonic-gate const char *, int, int, uchar_t *, int)); 404*7c478bd9Sstevel@tonic-gate int res_nsearch __P((res_state, const char *, int, 405*7c478bd9Sstevel@tonic-gate int, uchar_t *, int)); 406*7c478bd9Sstevel@tonic-gate int res_nquerydomain __P((res_state, 407*7c478bd9Sstevel@tonic-gate const char *, const char *, int, int, 408*7c478bd9Sstevel@tonic-gate uchar_t *, int)); 409*7c478bd9Sstevel@tonic-gate int res_nmkquery __P((res_state, 410*7c478bd9Sstevel@tonic-gate int, const char *, int, int, const uchar_t *, 411*7c478bd9Sstevel@tonic-gate int, const uchar_t *, uchar_t *, int)); 412*7c478bd9Sstevel@tonic-gate int res_nsend __P((res_state, const uchar_t *, int, uchar_t *, 413*7c478bd9Sstevel@tonic-gate int)); 414*7c478bd9Sstevel@tonic-gate int res_nsendsigned __P((res_state, const uchar_t *, int, 415*7c478bd9Sstevel@tonic-gate ns_tsig_key *, uchar_t *, int)); 416*7c478bd9Sstevel@tonic-gate int res_findzonecut __P((res_state, const char *, ns_class, int, 417*7c478bd9Sstevel@tonic-gate char *, size_t, struct in_addr *, int)); 418*7c478bd9Sstevel@tonic-gate int res_findzonecut2 __P((res_state, const char *, ns_class, int, 419*7c478bd9Sstevel@tonic-gate char *, size_t, union res_sockaddr_union *, 420*7c478bd9Sstevel@tonic-gate int)); 421*7c478bd9Sstevel@tonic-gate void res_nclose __P((res_state)); 422*7c478bd9Sstevel@tonic-gate int res_nopt __P((res_state, int, uchar_t *, int, int)); 423*7c478bd9Sstevel@tonic-gate void res_send_setqhook __P((res_send_qhook hook)); 424*7c478bd9Sstevel@tonic-gate void res_send_setrhook __P((res_send_rhook hook)); 425*7c478bd9Sstevel@tonic-gate int __res_vinit __P((res_state, int)); 426*7c478bd9Sstevel@tonic-gate void res_destroyservicelist __P((void)); 427*7c478bd9Sstevel@tonic-gate const char *res_servicename __P((uint16_t port, const char *proto)); 428*7c478bd9Sstevel@tonic-gate const char *res_protocolname __P((int num)); 429*7c478bd9Sstevel@tonic-gate void res_destroyprotolist __P((void)); 430*7c478bd9Sstevel@tonic-gate void res_buildprotolist __P((void)); 431*7c478bd9Sstevel@tonic-gate const char *res_get_nibblesuffix __P((res_state)); 432*7c478bd9Sstevel@tonic-gate const char *res_get_nibblesuffix2 __P((res_state)); 433*7c478bd9Sstevel@tonic-gate void res_ndestroy __P((res_state)); 434*7c478bd9Sstevel@tonic-gate uint16_t res_nametoclass __P((const char *buf, int *success)); 435*7c478bd9Sstevel@tonic-gate uint16_t res_nametotype __P((const char *buf, int *success)); 436*7c478bd9Sstevel@tonic-gate void res_setservers __P((res_state, 437*7c478bd9Sstevel@tonic-gate const union res_sockaddr_union *, int)); 438*7c478bd9Sstevel@tonic-gate int res_getservers __P((res_state, 439*7c478bd9Sstevel@tonic-gate union res_sockaddr_union *, int)); 440*7c478bd9Sstevel@tonic-gate 441*7c478bd9Sstevel@tonic-gate 442*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 443*7c478bd9Sstevel@tonic-gate } 444*7c478bd9Sstevel@tonic-gate #endif 445*7c478bd9Sstevel@tonic-gate 446*7c478bd9Sstevel@tonic-gate #endif /* !_RESOLV_H_ */ 447