1/*-
2 * Copyright (c) 1983, 1987, 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * -
34 * Portions Copyright (c) 1993 by Digital Equipment Corporation.
35 *
36 * Permission to use, copy, modify, and distribute this software for any
37 * purpose with or without fee is hereby granted, provided that the above
38 * copyright notice and this permission notice appear in all copies, and that
39 * the name of Digital Equipment Corporation not be used in advertising or
40 * publicity pertaining to distribution of the document or software without
41 * specific, written prior permission.
42 *
43 * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
44 * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
45 * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
46 * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
47 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
48 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
49 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
50 * SOFTWARE.
51 * -
52 * --Copyright--
53 *
54 * @(#)resolv.h 8.1 (Berkeley) 6/2/93
55 * From Id: resolv.h,v 4.9.1.2 1993/05/17 09:59:01 vixie Exp
| 1/*-
2 * Copyright (c) 1983, 1987, 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * -
34 * Portions Copyright (c) 1993 by Digital Equipment Corporation.
35 *
36 * Permission to use, copy, modify, and distribute this software for any
37 * purpose with or without fee is hereby granted, provided that the above
38 * copyright notice and this permission notice appear in all copies, and that
39 * the name of Digital Equipment Corporation not be used in advertising or
40 * publicity pertaining to distribution of the document or software without
41 * specific, written prior permission.
42 *
43 * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
44 * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
45 * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
46 * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
47 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
48 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
49 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
50 * SOFTWARE.
51 * -
52 * --Copyright--
53 *
54 * @(#)resolv.h 8.1 (Berkeley) 6/2/93
55 * From Id: resolv.h,v 4.9.1.2 1993/05/17 09:59:01 vixie Exp
|
56 * $Id: resolv.h,v 1.5 1996/01/07 05:01:50 peter Exp $
| 56 * $Id: resolv.h,v 1.6 1996/01/30 23:30:34 mpp Exp $
|
57 */
58
59#ifndef _RESOLV_H_
60#define _RESOLV_H_
61
62#include <sys/param.h>
63#include <sys/types.h>
64#include <sys/cdefs.h>
65#include <stdio.h>
66
67/*
68 * revision information. this is the release date in YYYYMMDD format.
69 * it can change every day so the right thing to do with it is use it
70 * in preprocessor commands such as "#if (__RES > 19931104)". do not
71 * compare for equality; rather, use it to determine whether your resolver
72 * is new enough to contain a certain feature.
73 */
74
| 57 */
58
59#ifndef _RESOLV_H_
60#define _RESOLV_H_
61
62#include <sys/param.h>
63#include <sys/types.h>
64#include <sys/cdefs.h>
65#include <stdio.h>
66
67/*
68 * revision information. this is the release date in YYYYMMDD format.
69 * it can change every day so the right thing to do with it is use it
70 * in preprocessor commands such as "#if (__RES > 19931104)". do not
71 * compare for equality; rather, use it to determine whether your resolver
72 * is new enough to contain a certain feature.
73 */
74
|
75#define __RES 19951031
| 75#define __RES 19960229
|
76
77/*
78 * Resolver configuration file.
79 * Normally not present, but may contain the address of the
80 * inital name server(s) to query and the domain search list.
81 */
82
83#ifndef _PATH_RESCONF
84#define _PATH_RESCONF "/etc/resolv.conf"
85#endif
86
87/*
88 * Global defines and variables for resolver stub.
89 */
90#define MAXNS 3 /* max # name servers we'll track */
91#define MAXDFLSRCH 3 /* # default domain levels to try */
92#define MAXDNSRCH 6 /* max # domains in search path */
93#define LOCALDOMAINPARTS 2 /* min levels in name that is "local" */
94
95#define RES_TIMEOUT 5 /* min. seconds between retries */
96#define MAXRESOLVSORT 10 /* number of net to sort on */
97#define RES_MAXNDOTS 15 /* should reflect bit field size */
98
99struct __res_state {
100 int retrans; /* retransmition time interval */
101 int retry; /* number of times to retransmit */
102 u_long options; /* option flags - see below. */
103 int nscount; /* number of name servers */
104 struct sockaddr_in
105 nsaddr_list[MAXNS]; /* address of name server */
106#define nsaddr nsaddr_list[0] /* for backward compatibility */
107 u_short id; /* current packet id */
108 char *dnsrch[MAXDNSRCH+1]; /* components of domain to search */
109 char defdname[MAXDNAME]; /* default domain */
110 u_long pfcode; /* RES_PRF_ flags - see below. */
111 unsigned ndots:4; /* threshold for initial abs. query */
112 unsigned nsort:4; /* number of elements in sort_list[] */
113 char unused[3];
114 struct {
115 struct in_addr addr;
116 u_int32_t mask;
117 } sort_list[MAXRESOLVSORT];
118 char pad[72]; /* On an i386 this means 512b total. */
119};
120
121/*
122 * Resolver options (keep these in synch with res_debug.c, please)
123 */
124#define RES_INIT 0x00000001 /* address initialized */
125#define RES_DEBUG 0x00000002 /* print debug messages */
126#define RES_AAONLY 0x00000004 /* authoritative answers only (!IMPL)*/
127#define RES_USEVC 0x00000008 /* use virtual circuit */
128#define RES_PRIMARY 0x00000010 /* query primary server only (!IMPL) */
129#define RES_IGNTC 0x00000020 /* ignore truncation errors */
130#define RES_RECURSE 0x00000040 /* recursion desired */
131#define RES_DEFNAMES 0x00000080 /* use default domain name */
132#define RES_STAYOPEN 0x00000100 /* Keep TCP socket open */
133#define RES_DNSRCH 0x00000200 /* search up local domain tree */
134#define RES_INSECURE1 0x00000400 /* type 1 security disabled */
135#define RES_INSECURE2 0x00000800 /* type 2 security disabled */
136#define RES_NOALIASES 0x00001000 /* shuts off HOSTALIASES feature */
| 76
77/*
78 * Resolver configuration file.
79 * Normally not present, but may contain the address of the
80 * inital name server(s) to query and the domain search list.
81 */
82
83#ifndef _PATH_RESCONF
84#define _PATH_RESCONF "/etc/resolv.conf"
85#endif
86
87/*
88 * Global defines and variables for resolver stub.
89 */
90#define MAXNS 3 /* max # name servers we'll track */
91#define MAXDFLSRCH 3 /* # default domain levels to try */
92#define MAXDNSRCH 6 /* max # domains in search path */
93#define LOCALDOMAINPARTS 2 /* min levels in name that is "local" */
94
95#define RES_TIMEOUT 5 /* min. seconds between retries */
96#define MAXRESOLVSORT 10 /* number of net to sort on */
97#define RES_MAXNDOTS 15 /* should reflect bit field size */
98
99struct __res_state {
100 int retrans; /* retransmition time interval */
101 int retry; /* number of times to retransmit */
102 u_long options; /* option flags - see below. */
103 int nscount; /* number of name servers */
104 struct sockaddr_in
105 nsaddr_list[MAXNS]; /* address of name server */
106#define nsaddr nsaddr_list[0] /* for backward compatibility */
107 u_short id; /* current packet id */
108 char *dnsrch[MAXDNSRCH+1]; /* components of domain to search */
109 char defdname[MAXDNAME]; /* default domain */
110 u_long pfcode; /* RES_PRF_ flags - see below. */
111 unsigned ndots:4; /* threshold for initial abs. query */
112 unsigned nsort:4; /* number of elements in sort_list[] */
113 char unused[3];
114 struct {
115 struct in_addr addr;
116 u_int32_t mask;
117 } sort_list[MAXRESOLVSORT];
118 char pad[72]; /* On an i386 this means 512b total. */
119};
120
121/*
122 * Resolver options (keep these in synch with res_debug.c, please)
123 */
124#define RES_INIT 0x00000001 /* address initialized */
125#define RES_DEBUG 0x00000002 /* print debug messages */
126#define RES_AAONLY 0x00000004 /* authoritative answers only (!IMPL)*/
127#define RES_USEVC 0x00000008 /* use virtual circuit */
128#define RES_PRIMARY 0x00000010 /* query primary server only (!IMPL) */
129#define RES_IGNTC 0x00000020 /* ignore truncation errors */
130#define RES_RECURSE 0x00000040 /* recursion desired */
131#define RES_DEFNAMES 0x00000080 /* use default domain name */
132#define RES_STAYOPEN 0x00000100 /* Keep TCP socket open */
133#define RES_DNSRCH 0x00000200 /* search up local domain tree */
134#define RES_INSECURE1 0x00000400 /* type 1 security disabled */
135#define RES_INSECURE2 0x00000800 /* type 2 security disabled */
136#define RES_NOALIASES 0x00001000 /* shuts off HOSTALIASES feature */
|
| 137#define RES_USE_INET6 0x00002000 /* use/map IPv6 in gethostbyname() */
|
137
138#define RES_DEFAULT (RES_RECURSE | RES_DEFNAMES | RES_DNSRCH)
139
140/*
141 * Resolver "pfcode" values. Used by dig.
142 */
143#define RES_PRF_STATS 0x00000001
144/* 0x00000002 */
145#define RES_PRF_CLASS 0x00000004
146#define RES_PRF_CMD 0x00000008
147#define RES_PRF_QUES 0x00000010
148#define RES_PRF_ANS 0x00000020
149#define RES_PRF_AUTH 0x00000040
150#define RES_PRF_ADD 0x00000080
151#define RES_PRF_HEAD1 0x00000100
152#define RES_PRF_HEAD2 0x00000200
153#define RES_PRF_TTLID 0x00000400
154#define RES_PRF_HEADX 0x00000800
155#define RES_PRF_QUERY 0x00001000
156#define RES_PRF_REPLY 0x00002000
157#define RES_PRF_INIT 0x00004000
158/* 0x00008000 */
159
160/* hooks are still experimental as of 4.9.2 */
161typedef enum { res_goahead, res_nextns, res_modified, res_done, res_error }
162 res_sendhookact;
163
164typedef res_sendhookact (*res_send_qhook)__P((struct sockaddr_in * const *ns,
165 const u_char **query,
166 int *querylen,
167 u_char *ans,
168 int anssiz,
169 int *resplen));
170
171typedef res_sendhookact (*res_send_rhook)__P((const struct sockaddr_in *ns,
172 const u_char *query,
173 int querylen,
174 u_char *ans,
175 int anssiz,
176 int *resplen));
177
178extern struct __res_state _res;
179
180/* Private routines shared between libc/net, named, nslookup and others. */
| 138
139#define RES_DEFAULT (RES_RECURSE | RES_DEFNAMES | RES_DNSRCH)
140
141/*
142 * Resolver "pfcode" values. Used by dig.
143 */
144#define RES_PRF_STATS 0x00000001
145/* 0x00000002 */
146#define RES_PRF_CLASS 0x00000004
147#define RES_PRF_CMD 0x00000008
148#define RES_PRF_QUES 0x00000010
149#define RES_PRF_ANS 0x00000020
150#define RES_PRF_AUTH 0x00000040
151#define RES_PRF_ADD 0x00000080
152#define RES_PRF_HEAD1 0x00000100
153#define RES_PRF_HEAD2 0x00000200
154#define RES_PRF_TTLID 0x00000400
155#define RES_PRF_HEADX 0x00000800
156#define RES_PRF_QUERY 0x00001000
157#define RES_PRF_REPLY 0x00002000
158#define RES_PRF_INIT 0x00004000
159/* 0x00008000 */
160
161/* hooks are still experimental as of 4.9.2 */
162typedef enum { res_goahead, res_nextns, res_modified, res_done, res_error }
163 res_sendhookact;
164
165typedef res_sendhookact (*res_send_qhook)__P((struct sockaddr_in * const *ns,
166 const u_char **query,
167 int *querylen,
168 u_char *ans,
169 int anssiz,
170 int *resplen));
171
172typedef res_sendhookact (*res_send_rhook)__P((const struct sockaddr_in *ns,
173 const u_char *query,
174 int querylen,
175 u_char *ans,
176 int anssiz,
177 int *resplen));
178
179extern struct __res_state _res;
180
181/* Private routines shared between libc/net, named, nslookup and others. */
|
| 182#define res_hnok __res_hnok
183#define res_ownok __res_ownok
184#define res_mailok __res_mailok
185#define res_dnok __res_dnok
186#define loc_ntoa __loc_ntoa
187#define loc_aton __loc_aton
|
181#define dn_skipname __dn_skipname
182#define fp_query __fp_query
183#define fp_nquery __fp_nquery
184#define hostalias __hostalias
185#define putlong __putlong
186#define putshort __putshort
187#define p_class __p_class
188#define p_time __p_time
189#define p_type __p_type
190#define p_cdnname __p_cdnname
191#define p_cdname __p_cdname
192#define p_fqname __p_fqname
193#define p_rr __p_rr
194#define p_option __p_option
195#define res_randomid __res_randomid
196#define res_isourserver __res_isourserver
197#define res_nameinquery __res_nameinquery
198#define res_queriesmatch __res_queriesmatch
199
200__BEGIN_DECLS
| 188#define dn_skipname __dn_skipname
189#define fp_query __fp_query
190#define fp_nquery __fp_nquery
191#define hostalias __hostalias
192#define putlong __putlong
193#define putshort __putshort
194#define p_class __p_class
195#define p_time __p_time
196#define p_type __p_type
197#define p_cdnname __p_cdnname
198#define p_cdname __p_cdname
199#define p_fqname __p_fqname
200#define p_rr __p_rr
201#define p_option __p_option
202#define res_randomid __res_randomid
203#define res_isourserver __res_isourserver
204#define res_nameinquery __res_nameinquery
205#define res_queriesmatch __res_queriesmatch
206
207__BEGIN_DECLS
|
| 208int __res_hnok __P((const char *));
209int __res_ownok __P((const char *));
210int __res_mailok __P((const char *));
211int __res_dnok __P((const char *));
212int __loc_aton __P((const char *ascii, u_char *binary));
213char * __loc_ntoa __P((const u_char *binary, char *ascii));
|
201int __dn_skipname __P((const u_char *, const u_char *));
202void __fp_resstat __P((struct __res_state *, FILE *));
203void __fp_query __P((const u_char *, FILE *));
204void __fp_nquery __P((const u_char *, int, FILE *));
205char *__hostalias __P((const char *));
206void __putlong __P((u_int32_t, u_char *));
207void __putshort __P((u_int16_t, u_char *));
208char *__p_time __P((u_int32_t));
209void __p_query __P((const u_char *));
210const u_char *__p_cdnname __P((const u_char *, const u_char *, int, FILE *));
211const u_char *__p_cdname __P((const u_char *, const u_char *, FILE *));
212const u_char *__p_fqname __P((const u_char *, const u_char *, FILE *));
213const u_char *__p_rr __P((const u_char *, const u_char *, FILE *));
214const char *__p_type __P((int));
215const char *__p_class __P((int));
216const char *__p_option __P((u_long option));
217int dn_comp __P((const char *, u_char *, int, u_char **, u_char **));
218int dn_expand __P((const u_char *, const u_char *, const u_char *,
219 char *, int));
220int res_init __P((void));
221u_int16_t res_randomid __P((void));
222int res_query __P((const char *, int, int, u_char *, int));
223int res_search __P((const char *, int, int, u_char *, int));
224int res_querydomain __P((const char *, const char *, int, int,
225 u_char *, int));
226int res_mkquery __P((int, const char *, int, int, const u_char *, int,
227 const u_char *, u_char *, int));
228int res_send __P((const u_char *, int, u_char *, int));
229int res_isourserver __P((const struct sockaddr_in *));
230int res_nameinquery __P((const char *, int, int,
231 const u_char *, const u_char *));
232int res_queriesmatch __P((const u_char *, const u_char *,
233 const u_char *, const u_char *));
234__END_DECLS
235
236#endif /* !_RESOLV_H_ */
| 214int __dn_skipname __P((const u_char *, const u_char *));
215void __fp_resstat __P((struct __res_state *, FILE *));
216void __fp_query __P((const u_char *, FILE *));
217void __fp_nquery __P((const u_char *, int, FILE *));
218char *__hostalias __P((const char *));
219void __putlong __P((u_int32_t, u_char *));
220void __putshort __P((u_int16_t, u_char *));
221char *__p_time __P((u_int32_t));
222void __p_query __P((const u_char *));
223const u_char *__p_cdnname __P((const u_char *, const u_char *, int, FILE *));
224const u_char *__p_cdname __P((const u_char *, const u_char *, FILE *));
225const u_char *__p_fqname __P((const u_char *, const u_char *, FILE *));
226const u_char *__p_rr __P((const u_char *, const u_char *, FILE *));
227const char *__p_type __P((int));
228const char *__p_class __P((int));
229const char *__p_option __P((u_long option));
230int dn_comp __P((const char *, u_char *, int, u_char **, u_char **));
231int dn_expand __P((const u_char *, const u_char *, const u_char *,
232 char *, int));
233int res_init __P((void));
234u_int16_t res_randomid __P((void));
235int res_query __P((const char *, int, int, u_char *, int));
236int res_search __P((const char *, int, int, u_char *, int));
237int res_querydomain __P((const char *, const char *, int, int,
238 u_char *, int));
239int res_mkquery __P((int, const char *, int, int, const u_char *, int,
240 const u_char *, u_char *, int));
241int res_send __P((const u_char *, int, u_char *, int));
242int res_isourserver __P((const struct sockaddr_in *));
243int res_nameinquery __P((const char *, int, int,
244 const u_char *, const u_char *));
245int res_queriesmatch __P((const u_char *, const u_char *,
246 const u_char *, const u_char *));
247__END_DECLS
248
249#endif /* !_RESOLV_H_ */
|