/include/resolv8_compat.h
C Header | 263 lines | 138 code | 19 blank | 106 comment | 1 complexity | 033e00917c897aab858d4532120c93a5 MD5 | raw file
Possible License(s): GPL-3.0, CC-BY-SA-3.0, Apache-2.0, BSD-3-Clause, AGPL-1.0, GPL-2.0
- /*
- * 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_ */