1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
|
/*
* Copyright (c) 1983, 1987, 1989
* 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.
* 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) 1996-1999 by Internet Software Consortium.
*
* 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.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
* CONSORTIUM 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.
*/
/*
* @(#)resolv.h 8.1 (Berkeley) 6/2/93
* $BINDId: resolv.h,v 8.31 2000/03/30 20:16:50 vixie Exp $
*/
#ifndef _RESOLV_H_
#define _RESOLV_H_
#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/types.h>
#include <stdio.h>
#include <netinet/in.h>
#include <arpa/nameser.h>
#include <bits/types/res_state.h>
/*
* Global defines and variables for resolver stub.
*/
#define LOCALDOMAINPARTS 2 /* min levels in name that is "local" */
#define RES_TIMEOUT 5 /* min. seconds between retries */
#define RES_MAXNDOTS 15 /* should reflect bit field size */
#define RES_MAXRETRANS 30 /* only for resolv.conf/RES_OPTIONS */
#define RES_MAXRETRY 5 /* only for resolv.conf/RES_OPTIONS */
#define RES_DFLRETRY 2 /* Default #/tries. */
#define RES_MAXTIME 65535 /* Infinity, in milliseconds. */
#define nsaddr nsaddr_list[0] /* for backward compatibility */
/*
* 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 19991006
/*
* 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
struct res_sym {
int number; /* Identifying number, like T_MX */
char * name; /* Its symbolic name, like "MX" */
char * humanname; /* Its fun name, like "mail exchanger" */
};
/*
* 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 \
__glibc_macro_warning ("RES_AAONLY is deprecated") 0x00000004
#define RES_USEVC 0x00000008 /* use virtual circuit */
#define RES_PRIMARY \
__glibc_macro_warning ("RES_PRIMARY is deprecated") 0x00000010
#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_NOALIASES 0x00001000 /* shuts off HOSTALIASES feature */
#define RES_ROTATE 0x00004000 /* rotate ns list after each query */
#define RES_NOCHECKNAME \
__glibc_macro_warning ("RES_NOCHECKNAME is deprecated") 0x00008000
#define RES_KEEPTSIG \
__glibc_macro_warning ("RES_KEEPTSIG is deprecated") 0x00010000
#define RES_BLAST \
__glibc_macro_warning ("RES_BLAST is deprecated") 0x00020000
#define RES_USE_EDNS0 0x00100000 /* Use EDNS0. */
#define RES_SNGLKUP 0x00200000 /* one outstanding request at a time */
#define RES_SNGLKUPREOP 0x00400000 /* -"-, but open new socket for each
request */
#define RES_USE_DNSSEC 0x00800000 /* use DNSSEC using OK bit in OPT */
#define RES_NOTLDQUERY 0x01000000 /* Do not look up unqualified name
as a TLD. */
#define RES_NORELOAD 0x02000000 /* No automatic configuration reload. */
#define RES_TRUSTAD 0x04000000 /* Request AD bit, keep it in responses. */
#define RES_DEFAULT (RES_RECURSE|RES_DEFNAMES|RES_DNSRCH)
/*
* Resolver "pfcode" values. Used by dig.
*/
#define RES_PRF_STATS 0x00000001
#define RES_PRF_UPDATE 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 */
/* Things involving an internal (static) resolver context. */
__BEGIN_DECLS
extern struct __res_state *__res_state(void) __attribute__ ((__const__));
__END_DECLS
#define _res (*__res_state())
#define fp_nquery __fp_nquery
#define fp_query __fp_query
#define hostalias __hostalias
#define p_query __p_query
#define res_close __res_close
#define res_init __res_init
#define res_isourserver __res_isourserver
#define res_mkquery __res_mkquery
#define res_query __res_query
#define res_querydomain __res_querydomain
#define res_search __res_search
#ifdef _LIBC
# define __RESOLV_DEPRECATED
# define __RESOLV_DEPRECATED_MSG(msg)
#else
# define __RESOLV_DEPRECATED __attribute_deprecated__
# define __RESOLV_DEPRECATED_MSG(msg) __attribute_deprecated_msg__ (msg)
#endif
__BEGIN_DECLS
void fp_nquery (const unsigned char *, int, FILE *) __THROW
__RESOLV_DEPRECATED;
void fp_query (const unsigned char *, FILE *) __THROW
__RESOLV_DEPRECATED;
const char * hostalias (const char *) __THROW
__RESOLV_DEPRECATED_MSG ("use getaddrinfo instead");
void p_query (const unsigned char *) __THROW
__RESOLV_DEPRECATED;
void res_close (void) __THROW;
int res_init (void) __THROW;
int res_isourserver (const struct sockaddr_in *) __THROW
__RESOLV_DEPRECATED;
int res_mkquery (int, const char *, int, int,
const unsigned char *, int, const unsigned char *,
unsigned char *, int) __THROW;
int res_query (const char *, int, int, unsigned char *, int)
__THROW;
int res_querydomain (const char *, const char *, int, int,
unsigned char *, int) __THROW;
int res_search (const char *, int, int, unsigned char *, int)
__THROW;
int res_send (const unsigned char *, int, unsigned char *, int)
__THROW;
__END_DECLS
#define b64_ntop __b64_ntop
#define b64_pton __b64_pton
#define dn_count_labels __dn_count_labels
#define fp_resstat __fp_resstat
#define loc_aton __loc_aton
#define loc_ntoa __loc_ntoa
#define p_cdname __p_cdname
#define p_cdnname __p_cdnname
#define p_class __p_class
#define p_fqname __p_fqname
#define p_fqnname __p_fqnname
#define p_option __p_option
#define p_time __p_time
#define p_type __p_type
#define p_rcode __p_rcode
#define putlong __putlong
#define putshort __putshort
#define res_hostalias __res_hostalias
#define res_nameinquery __res_nameinquery
#define res_nclose __res_nclose
#define res_ninit __res_ninit
#define res_nmkquery __res_nmkquery
#define res_nquery __res_nquery
#define res_nquerydomain __res_nquerydomain
#define res_nsearch __res_nsearch
#define res_queriesmatch __res_queriesmatch
#define res_randomid __res_randomid
#define sym_ntop __sym_ntop
#define sym_ntos __sym_ntos
#define sym_ston __sym_ston
__BEGIN_DECLS
int res_hnok (const char *) __THROW;
int res_ownok (const char *) __THROW;
int res_mailok (const char *) __THROW;
int res_dnok (const char *) __THROW;
int sym_ston (const struct res_sym *, const char *, int *) __THROW
__RESOLV_DEPRECATED;
const char * sym_ntos (const struct res_sym *, int, int *) __THROW
__RESOLV_DEPRECATED;
const char * sym_ntop (const struct res_sym *, int, int *) __THROW
__RESOLV_DEPRECATED;
int b64_ntop (const unsigned char *, size_t, char *, size_t)
__THROW;
int b64_pton (char const *, unsigned char *, size_t) __THROW;
int loc_aton (const char *__ascii, unsigned char *__binary) __THROW
__RESOLV_DEPRECATED;
const char * loc_ntoa (const unsigned char *__binary, char *__ascii) __THROW
__RESOLV_DEPRECATED;
int dn_skipname (const unsigned char *, const unsigned char *)
__THROW;
void putlong (uint32_t, unsigned char *) __THROW
__RESOLV_DEPRECATED_MSG ("use NS_PUT16 instead");
void putshort (uint16_t, unsigned char *) __THROW
__RESOLV_DEPRECATED_MSG ("use NS_PUT32 instead");
const char * p_class (int) __THROW __RESOLV_DEPRECATED;
const char * p_time (uint32_t) __THROW __RESOLV_DEPRECATED;
const char * p_type (int) __THROW __RESOLV_DEPRECATED;
const char * p_rcode (int) __THROW __RESOLV_DEPRECATED;
const unsigned char * p_cdnname (const unsigned char *, const unsigned char *,
int, FILE *) __THROW __RESOLV_DEPRECATED;
const unsigned char * p_cdname (const unsigned char *, const unsigned char *,
FILE *) __THROW __RESOLV_DEPRECATED;
const unsigned char * p_fqnname (const unsigned char *__cp,
const unsigned char *__msg,
int, char *, int) __THROW __RESOLV_DEPRECATED;
const unsigned char * p_fqname (const unsigned char *, const unsigned char *,
FILE *) __THROW __RESOLV_DEPRECATED;
const char * p_option (unsigned long __option) __THROW __RESOLV_DEPRECATED;
int dn_count_labels (const char *) __THROW __RESOLV_DEPRECATED;
int dn_comp (const char *, unsigned char *, int, unsigned char **,
unsigned char **) __THROW;
int dn_expand (const unsigned char *, const unsigned char *,
const unsigned char *, char *, int) __THROW;
unsigned int res_randomid (void) __THROW
__RESOLV_DEPRECATED_MSG ("use getentropy instead");
int res_nameinquery (const char *, int, int,
const unsigned char *,
const unsigned char *) __THROW
__RESOLV_DEPRECATED;
int res_queriesmatch (const unsigned char *,
const unsigned char *,
const unsigned char *,
const unsigned char *) __THROW
__RESOLV_DEPRECATED;
/* Things involving a resolver context. */
int res_ninit (res_state) __THROW;
void fp_resstat (const res_state, FILE *) __THROW
__RESOLV_DEPRECATED;
const char * res_hostalias (const res_state, const char *, char *, size_t)
__THROW __RESOLV_DEPRECATED_MSG ("use getaddrinfo instead");
int res_nquery (res_state, const char *, int, int,
unsigned char *, int) __THROW;
int res_nsearch (res_state, const char *, int, int,
unsigned char *, int) __THROW;
int res_nquerydomain (res_state, const char *, const char *, int,
int, unsigned char *, int) __THROW;
int res_nmkquery (res_state, int, const char *, int, int,
const unsigned char *, int,
const unsigned char *, unsigned char *, int)
__THROW;
int res_nsend (res_state, const unsigned char *, int,
unsigned char *, int) __THROW;
void res_nclose (res_state) __THROW;
__END_DECLS
#endif /* !_RESOLV_H_ */
|
