/* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights * Reserved. This file contains Original Code and/or Modifications of * Original Code as defined in and that are subject to the Apple Public * Source License Version 1.1 (the "License"). You may not use this file * except in compliance with the License. Please obtain a copy of the * License at http://www.apple.com/publicsource and read it before using * this file. * * The Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * ++Copyright++ 1983, 1987, 1989, 1993 * - * Copyright (c) 1983, 1987, 1989, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * Portions Copyright (c) 1993 by Digital Equipment Corporation. * * 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, and that * the name of Digital Equipment Corporation not be used in advertising or * publicity pertaining to distribution of the document or software without * specific, written prior permission. * * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT * CORPORATION 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. * - * --Copyright-- */ /* * @(#)resolv.h 8.1 (Berkeley) 6/2/93 * $Id: resolv8_compat.h,v 1.3 2004/10/28 21:58:14 emoy Exp $ */ #ifndef _RESOLV_H_ #define _RESOLV_H_ #include <sys/param.h> #if (!defined(BSD)) || (BSD < 199306) # include <sys/bitypes.h> #else # include <sys/types.h> #endif #include <sys/cdefs.h> #include <stdio.h> /* * 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 (__RES > 19931104)". do not * compare for equality; rather, use it to determine whether your resolver * is new enough to contain a certain feature. */ #define __RES 19950621 /* * Resolver configuration file. * Normally not present, but may contain the address of the * inital name server(s) to query and the domain search list. */ #ifndef _PATH_RESCONF #define _PATH_RESCONF "/etc/resolv.conf" #endif /* * Global defines and variables for resolver stub. */ #define MAXNS 3 /* max # name servers we'll track */ #define MAXDFLSRCH 3 /* # default domain levels to try */ #define MAXDNSRCH 6 /* max # domains in search path */ #define LOCALDOMAINPARTS 2 /* min levels in name that is "local" */ #define RES_TIMEOUT 5 /* min. seconds between retries */ #define MAXRESOLVSORT 10 /* number of net to sort on */ #define RES_MAXNDOTS 15 /* should reflect bit field size */ struct __res_state { int retrans; /* retransmition time interval */ int retry; /* number of times to retransmit */ unsigned long options; /* option flags - see below. */ int nscount; /* number of name servers */ struct sockaddr_in nsaddr_list[MAXNS]; /* address of name server */ #define nsaddr nsaddr_list[0] /* for backward compatibility */ unsigned short id; /* current packet id */ char *dnsrch[MAXDNSRCH+1]; /* components of domain to search */ char defdname[MAXDNAME]; /* default domain */ unsigned long pfcode; /* RES_PRF_ flags - see below. */ unsigned ndots:4; /* threshold for initial abs. query */ unsigned nsort:4; /* number of elements in sort_list[] */ char unused[3]; struct { struct in_addr addr; u_int32_t mask; } sort_list[MAXRESOLVSORT]; }; /* * Resolver options (keep these in synch with res_debug.c, please) */ #define RES_INIT 0x00000001 /* address initialized */ #define RES_DEBUG 0x00000002 /* print debug messages */ #define RES_AAONLY 0x00000004 /* authoritative answers only (!IMPL)*/ #define RES_USEVC 0x00000008 /* use virtual circuit */ #define RES_PRIMARY 0x00000010 /* query primary server only (!IMPL) */ #define RES_IGNTC 0x00000020 /* ignore trucation errors */ #define RES_RECURSE 0x00000040 /* recursion desired */ #define RES_DEFNAMES 0x00000080 /* use default domain name */ #define RES_STAYOPEN 0x00000100 /* Keep TCP socket open */ #define RES_DNSRCH 0x00000200 /* search up local domain tree */ #define RES_INSECURE1 0x00000400 /* type 1 security disabled */ #define RES_INSECURE2 0x00000800 /* type 2 security disabled */ #define RES_NOALIASES 0x00001000 /* shuts off HOSTALIASES feature */ #define RES_DEFAULT (RES_RECURSE | RES_DEFNAMES | RES_DNSRCH) /* * Resolver "pfcode" values. Used by dig. */ #define RES_PRF_STATS 0x00000001 /* 0x00000002 */ #define RES_PRF_CLASS 0x00000004 #define RES_PRF_CMD 0x00000008 #define RES_PRF_QUES 0x00000010 #define RES_PRF_ANS 0x00000020 #define RES_PRF_AUTH 0x00000040 #define RES_PRF_ADD 0x00000080 #define RES_PRF_HEAD1 0x00000100 #define RES_PRF_HEAD2 0x00000200 #define RES_PRF_TTLID 0x00000400 #define RES_PRF_HEADX 0x00000800 #define RES_PRF_QUERY 0x00001000 #define RES_PRF_REPLY 0x00002000 #define RES_PRF_INIT 0x00004000 /* 0x00008000 */ /* hooks are still experimental as of 4.9.2 */ typedef enum { res_goahead, res_nextns, res_modified, res_done, res_error } res_sendhookact; typedef res_sendhookact (*res_send_qhook)__P((struct sockaddr_in * const *ns, const unsigned char **query, int *querylen, unsigned char *ans, int anssiz, int *resplen)); typedef res_sendhookact (*res_send_rhook)__P((const struct sockaddr_in *ns, const unsigned char *query, int querylen, unsigned char *ans, int anssiz, int *resplen)); extern struct __res_state _res; /* Private routines shared between libc/net, named, nslookup and others. */ #define dn_skipname __dn_skipname #define fp_query __fp_query #define fp_nquery __fp_nquery #define hostalias __hostalias #define putlong __putlong #define putshort __putshort #define p_class __p_class #define p_time __p_time #define p_type __p_type #define p_cdnname __p_cdnname #define p_cdname __p_cdname #define p_fqname __p_fqname #define p_rr __p_rr #define p_option __p_option #define res_randomid __res_randomid #define res_isourserver __res_isourserver #define res_nameinquery __res_nameinquery #define res_queriesmatch __res_queriesmatch __BEGIN_DECLS int __dn_skipname __P((const unsigned char *, const unsigned char *)); void __fp_resstat __P((struct __res_state *, FILE *)); void __fp_query __P((const unsigned char *, FILE *)); void __fp_nquery __P((const unsigned char *, int, FILE *)); char *__hostalias __P((const char *)); void __putlong __P((u_int32_t, unsigned char *)); void __putshort __P((u_int16_t, unsigned char *)); char *__p_time __P((u_int32_t)); void __p_query __P((const unsigned char *)); const unsigned char *__p_cdnname __P((const unsigned char *, const unsigned char *, int, FILE *)); const unsigned char *__p_cdname __P((const unsigned char *, const unsigned char *, FILE *)); const unsigned char *__p_fqname __P((const unsigned char *, const unsigned char *, FILE *)); const unsigned char *__p_rr __P((const unsigned char *, const unsigned char *, FILE *)); const char *__p_type __P((int)); const char *__p_class __P((int)); const char *__p_option __P((unsigned long option)); int dn_comp __P((const char *, unsigned char *, int, unsigned char **, unsigned char **)); int dn_expand __P((const unsigned char *, const unsigned char *, const unsigned char *, char *, int)); int res_init __P((void)); u_int16_t res_randomid __P((void)); int res_query __P((const char *, int, int, unsigned char *, int)); int res_search __P((const char *, int, int, unsigned char *, int)); int res_querydomain __P((const char *, const char *, int, int, unsigned char *, int)); int res_mkquery __P((int, const char *, int, int, const unsigned char *, int, const unsigned char *, unsigned char *, int)); int res_send __P((const unsigned char *, int, unsigned char *, int)); int res_isourserver __P((const struct sockaddr_in *)); int res_nameinquery __P((const char *, int, int, const unsigned char *, const unsigned char *)); int res_queriesmatch __P((const unsigned char *, const unsigned char *, const unsigned char *, const unsigned char *)); __END_DECLS #endif /* !_RESOLV_H_ */