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author | rgrimes <rgrimes@FreeBSD.org> | 1994-05-24 09:57:34 +0000 |
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committer | rgrimes <rgrimes@FreeBSD.org> | 1994-05-24 09:57:34 +0000 |
commit | 476d6295eee5e8bf68b8f03cca941eaa5c1e61a1 (patch) | |
tree | ee4fbc1be160a730dda6f158a89c11f42656422b /include/resolv.h | |
download | FreeBSD-src-476d6295eee5e8bf68b8f03cca941eaa5c1e61a1.zip FreeBSD-src-476d6295eee5e8bf68b8f03cca941eaa5c1e61a1.tar.gz |
BSD 4.4 Lite Include Sources
Diffstat (limited to 'include/resolv.h')
-rw-r--r-- | include/resolv.h | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/include/resolv.h b/include/resolv.h new file mode 100644 index 0000000..cf8fe76 --- /dev/null +++ b/include/resolv.h @@ -0,0 +1,164 @@ +/*- + * 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. + * + * @(#)resolv.h 8.1 (Berkeley) 6/2/93 + * $Id: resolv.h,v 4.9.1.2 1993/05/17 09:59:01 vixie Exp $ + * - + * 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-- + */ + +#ifndef _RESOLV_H_ +#define _RESOLV_H_ + +#include <sys/types.h> +/* + * 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 */ + +struct __res_state { + int retrans; /* retransmition time interval */ + int retry; /* number of times to retransmit */ + 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 */ + u_short id; /* current packet id */ + char *dnsrch[MAXDNSRCH+1]; /* components of domain to search */ + char defdname[MAXDNAME]; /* default domain */ + long pfcode; /* RES_PRF_ flags - see below. */ +}; + +/* + * Resolver options (keep these in synch with res_debug.c, please) + */ +#define RES_INIT 0x0001 /* address initialized */ +#define RES_DEBUG 0x0002 /* print debug messages */ +#define RES_AAONLY 0x0004 /* authoritative answers only */ +#define RES_USEVC 0x0008 /* use virtual circuit */ +#define RES_PRIMARY 0x0010 /* query primary server only */ +#define RES_IGNTC 0x0020 /* ignore trucation errors */ +#define RES_RECURSE 0x0040 /* recursion desired */ +#define RES_DEFNAMES 0x0080 /* use default domain name */ +#define RES_STAYOPEN 0x0100 /* Keep TCP socket open */ +#define RES_DNSRCH 0x0200 /* search up local domain tree */ + +#define RES_DEFAULT (RES_RECURSE | RES_DEFNAMES | RES_DNSRCH) + +/* + * Resolver "pfcode" values. Used by dig. + */ +#define RES_PRF_STATS 0x0001 +/* 0x0002 */ +#define RES_PRF_CLASS 0x0004 +#define RES_PRF_CMD 0x0008 +#define RES_PRF_QUES 0x0010 +#define RES_PRF_ANS 0x0020 +#define RES_PRF_AUTH 0x0040 +#define RES_PRF_ADD 0x0080 +#define RES_PRF_HEAD1 0x0100 +#define RES_PRF_HEAD2 0x0200 +#define RES_PRF_TTLID 0x0400 +#define RES_PRF_HEADX 0x0800 +#define RES_PRF_QUERY 0x1000 +#define RES_PRF_REPLY 0x2000 +#define RES_PRF_INIT 0x4000 +/* 0x8000 */ + +#include <sys/cdefs.h> +#include <stdio.h> + +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 hostalias __hostalias +#define putlong __putlong +#define putshort __putshort +#define p_class __p_class +#define p_time __p_time +#define p_type __p_type +__BEGIN_DECLS +int __dn_skipname __P((const u_char *, const u_char *)); +void __fp_resstat __P((struct __res_state *, FILE *)); +void __fp_query __P((char *, FILE *)); +char *__hostalias __P((const char *)); +void __putlong __P((u_int32_t, u_char *)); +void __putshort __P((u_short, u_char *)); +char *__p_class __P((int)); +char *__p_time __P((u_int32_t)); +char *__p_type __P((int)); + +int dn_comp __P((const u_char *, u_char *, int, u_char **, u_char **)); +int dn_expand __P((const u_char *, const u_char *, const u_char *, + u_char *, int)); +int res_init __P((void)); +int res_mkquery __P((int, const char *, int, int, const char *, int, + const char *, char *, int)); +int res_send __P((const char *, int, char *, int)); +__END_DECLS + +#endif /* !_RESOLV_H_ */ |