aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/libs/c-ares/include/ares_nameser.h
blob: 3138d89d747fad0099952e61963eb91a14487bd2 (plain) (blame)
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
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
/* MIT License
 *
 * Copyright (c) Massachusetts Institute of Technology
 * Copyright (c) Daniel Stenberg
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 * SPDX-License-Identifier: MIT
 */

#ifndef ARES_NAMESER_H
#define ARES_NAMESER_H

#include "ares_build.h"

#ifdef CARES_HAVE_ARPA_NAMESER_H
#  include <arpa/nameser.h>
#endif
#ifdef CARES_HAVE_ARPA_NAMESER_COMPAT_H
#  include <arpa/nameser_compat.h>
#endif

/* ============================================================================
 * arpa/nameser.h may or may not provide ALL of the below defines, so check
 * each one individually and set if not
 * ============================================================================
 */

#ifndef NS_PACKETSZ
#  define NS_PACKETSZ     512   /* maximum packet size */
#endif

#ifndef NS_MAXDNAME
#  define NS_MAXDNAME     256   /* maximum domain name */
#endif

#ifndef NS_MAXCDNAME
#  define NS_MAXCDNAME    255   /* maximum compressed domain name */
#endif

#ifndef NS_MAXLABEL
#  define NS_MAXLABEL     63
#endif

#ifndef NS_HFIXEDSZ
#  define NS_HFIXEDSZ     12    /* #/bytes of fixed data in header */
#endif

#ifndef NS_QFIXEDSZ
#  define NS_QFIXEDSZ     4     /* #/bytes of fixed data in query */
#endif

#ifndef NS_RRFIXEDSZ
#  define NS_RRFIXEDSZ    10    /* #/bytes of fixed data in r record */
#endif

#ifndef NS_INT16SZ
#  define NS_INT16SZ      2
#endif

#ifndef NS_INADDRSZ
#  define NS_INADDRSZ     4
#endif

#ifndef NS_IN6ADDRSZ
#  define NS_IN6ADDRSZ    16
#endif

#ifndef NS_CMPRSFLGS
#  define NS_CMPRSFLGS    0xc0  /* Flag bits indicating name compression. */
#endif

#ifndef NS_DEFAULTPORT
#  define NS_DEFAULTPORT  53    /* For both TCP and UDP. */
#endif

/* ============================================================================
 * arpa/nameser.h should provide these enumerations always, so if not found,
 * provide them
 * ============================================================================
 */
#ifndef CARES_HAVE_ARPA_NAMESER_H

typedef enum __ns_class {
    ns_c_invalid = 0,       /* Cookie. */
    ns_c_in = 1,            /* Internet. */
    ns_c_2 = 2,             /* unallocated/unsupported. */
    ns_c_chaos = 3,         /* MIT Chaos-net. */
    ns_c_hs = 4,            /* MIT Hesiod. */
    /* Query class values which do not appear in resource records */
    ns_c_none = 254,        /* for prereq. sections in update requests */
    ns_c_any = 255,         /* Wildcard match. */
    ns_c_max = 65536
} ns_class;

typedef enum __ns_type {
    ns_t_invalid = 0,       /* Cookie. */
    ns_t_a = 1,             /* Host address. */
    ns_t_ns = 2,            /* Authoritative server. */
    ns_t_md = 3,            /* Mail destination. */
    ns_t_mf = 4,            /* Mail forwarder. */
    ns_t_cname = 5,         /* Canonical name. */
    ns_t_soa = 6,           /* Start of authority zone. */
    ns_t_mb = 7,            /* Mailbox domain name. */
    ns_t_mg = 8,            /* Mail group member. */
    ns_t_mr = 9,            /* Mail rename name. */
    ns_t_null = 10,         /* Null resource record. */
    ns_t_wks = 11,          /* Well known service. */
    ns_t_ptr = 12,          /* Domain name pointer. */
    ns_t_hinfo = 13,        /* Host information. */
    ns_t_minfo = 14,        /* Mailbox information. */
    ns_t_mx = 15,           /* Mail routing information. */
    ns_t_txt = 16,          /* Text strings. */
    ns_t_rp = 17,           /* Responsible person. */
    ns_t_afsdb = 18,        /* AFS cell database. */
    ns_t_x25 = 19,          /* X_25 calling address. */
    ns_t_isdn = 20,         /* ISDN calling address. */
    ns_t_rt = 21,           /* Router. */
    ns_t_nsap = 22,         /* NSAP address. */
    ns_t_nsap_ptr = 23,     /* Reverse NSAP lookup (deprecated). */
    ns_t_sig = 24,          /* Security signature. */
    ns_t_key = 25,          /* Security key. */
    ns_t_px = 26,           /* X.400 mail mapping. */
    ns_t_gpos = 27,         /* Geographical position (withdrawn). */
    ns_t_aaaa = 28,         /* Ip6 Address. */
    ns_t_loc = 29,          /* Location Information. */
    ns_t_nxt = 30,          /* Next domain (security). */
    ns_t_eid = 31,          /* Endpoint identifier. */
    ns_t_nimloc = 32,       /* Nimrod Locator. */
    ns_t_srv = 33,          /* Server Selection. */
    ns_t_atma = 34,         /* ATM Address */
    ns_t_naptr = 35,        /* Naming Authority PoinTeR */
    ns_t_kx = 36,           /* Key Exchange */
    ns_t_cert = 37,         /* Certification record */
    ns_t_a6 = 38,           /* IPv6 address (deprecates AAAA) */
    ns_t_dname = 39,        /* Non-terminal DNAME (for IPv6) */
    ns_t_sink = 40,         /* Kitchen sink (experimentatl) */
    ns_t_opt = 41,          /* EDNS0 option (meta-RR) */
    ns_t_apl = 42,          /* Address prefix list (RFC3123) */
    ns_t_ds = 43,           /* Delegation Signer (RFC4034) */
    ns_t_sshfp = 44,        /* SSH Key Fingerprint (RFC4255) */
    ns_t_rrsig = 46,        /* Resource Record Signature (RFC4034) */
    ns_t_nsec = 47,         /* Next Secure (RFC4034) */
    ns_t_dnskey = 48,       /* DNS Public Key (RFC4034) */
    ns_t_tkey = 249,        /* Transaction key */
    ns_t_tsig = 250,        /* Transaction signature. */
    ns_t_ixfr = 251,        /* Incremental zone transfer. */
    ns_t_axfr = 252,        /* Transfer zone of authority. */
    ns_t_mailb = 253,       /* Transfer mailbox records. */
    ns_t_maila = 254,       /* Transfer mail agent records. */
    ns_t_any = 255,         /* Wildcard match. */
    ns_t_uri = 256,         /* Uniform Resource Identifier (RFC7553) */
    ns_t_caa = 257,         /* Certification Authority Authorization. */
    ns_t_max = 65536
} ns_type;

typedef enum __ns_opcode {
    ns_o_query = 0,         /* Standard query. */
    ns_o_iquery = 1,        /* Inverse query (deprecated/unsupported). */
    ns_o_status = 2,        /* Name server status query (unsupported). */
                                /* Opcode 3 is undefined/reserved. */
    ns_o_notify = 4,        /* Zone change notification. */
    ns_o_update = 5,        /* Zone update message. */
    ns_o_max = 6
} ns_opcode;

typedef enum __ns_rcode {
    ns_r_noerror = 0,       /* No error occurred. */
    ns_r_formerr = 1,       /* Format error. */
    ns_r_servfail = 2,      /* Server failure. */
    ns_r_nxdomain = 3,      /* Name error. */
    ns_r_notimpl = 4,       /* Unimplemented. */
    ns_r_refused = 5,       /* Operation refused. */
    /* these are for BIND_UPDATE */
    ns_r_yxdomain = 6,      /* Name exists */
    ns_r_yxrrset = 7,       /* RRset exists */
    ns_r_nxrrset = 8,       /* RRset does not exist */
    ns_r_notauth = 9,       /* Not authoritative for zone */
    ns_r_notzone = 10,      /* Zone of record different from zone section */
    ns_r_max = 11,
    /* The following are TSIG extended errors */
    ns_r_badsig = 16,
    ns_r_badkey = 17,
    ns_r_badtime = 18
} ns_rcode;

#endif /* CARES_HAVE_ARPA_NAMESER_H */


/* ============================================================================
 * arpa/nameser_compat.h typically sets these.  However on some systems
 * arpa/nameser.h does, but may not set all of them.  Lets conditionally
 * define each
 * ============================================================================
 */

#ifndef PACKETSZ
#  define PACKETSZ         NS_PACKETSZ
#endif

#ifndef MAXDNAME
#  define MAXDNAME         NS_MAXDNAME
#endif

#ifndef MAXCDNAME
#  define MAXCDNAME        NS_MAXCDNAME
#endif

#ifndef MAXLABEL
#  define MAXLABEL         NS_MAXLABEL
#endif

#ifndef HFIXEDSZ
#  define HFIXEDSZ         NS_HFIXEDSZ
#endif

#ifndef QFIXEDSZ
#  define QFIXEDSZ         NS_QFIXEDSZ
#endif

#ifndef RRFIXEDSZ
#  define RRFIXEDSZ        NS_RRFIXEDSZ
#endif

#ifndef INDIR_MASK
#  define INDIR_MASK       NS_CMPRSFLGS
#endif

#ifndef NAMESERVER_PORT
#  define NAMESERVER_PORT  NS_DEFAULTPORT
#endif


/* opcodes */
#ifndef O_QUERY
#  define O_QUERY 0  /* ns_o_query */
#endif
#ifndef O_IQUERY
#  define O_IQUERY 1 /* ns_o_iquery */
#endif
#ifndef O_STATUS
#  define O_STATUS 2 /* ns_o_status */
#endif
#ifndef O_NOTIFY
#  define O_NOTIFY 4 /* ns_o_notify */
#endif
#ifndef O_UPDATE
#  define O_UPDATE 5 /* ns_o_update */
#endif


/* response codes */
#ifndef SERVFAIL
#  define SERVFAIL        ns_r_servfail
#endif
#ifndef NOTIMP
#  define NOTIMP          ns_r_notimpl
#endif
#ifndef REFUSED
#  define REFUSED         ns_r_refused
#endif
#if defined(_WIN32) && !defined(HAVE_ARPA_NAMESER_COMPAT_H) && defined(NOERROR)
#  undef NOERROR /* it seems this is already defined in winerror.h */
#endif
#ifndef NOERROR
#  define NOERROR         ns_r_noerror
#endif
#ifndef FORMERR
#  define FORMERR         ns_r_formerr
#endif
#ifndef NXDOMAIN
#  define NXDOMAIN        ns_r_nxdomain
#endif
/* Non-standard response codes, use numeric values */
#ifndef YXDOMAIN
#  define YXDOMAIN        6 /* ns_r_yxdomain */
#endif
#ifndef YXRRSET
#  define YXRRSET         7 /* ns_r_yxrrset */
#endif
#ifndef NXRRSET
#  define NXRRSET         8 /* ns_r_nxrrset */
#endif
#ifndef NOTAUTH
#  define NOTAUTH         9 /* ns_r_notauth */
#endif
#ifndef NOTZONE
#  define NOTZONE         10 /* ns_r_notzone */
#endif
#ifndef TSIG_BADSIG
#  define TSIG_BADSIG     16 /* ns_r_badsig */
#endif
#ifndef TSIG_BADKEY
#  define TSIG_BADKEY     17 /* ns_r_badkey */
#endif
#ifndef TSIG_BADTIME
#  define TSIG_BADTIME    18 /* ns_r_badtime */
#endif


/* classes */
#ifndef C_IN
#  define C_IN            1 /* ns_c_in */
#endif
#ifndef C_CHAOS
#  define C_CHAOS         3 /* ns_c_chaos */
#endif
#ifndef C_HS
#  define C_HS            4 /* ns_c_hs */
#endif
#ifndef C_NONE
#  define C_NONE          254 /* ns_c_none */
#endif
#ifndef C_ANY
#  define C_ANY           255 /*  ns_c_any */
#endif


/* types */
#ifndef T_A
#  define T_A             1   /* ns_t_a */
#endif
#ifndef T_NS
#  define T_NS            2   /* ns_t_ns */
#endif
#ifndef T_MD
#  define T_MD            3   /* ns_t_md */
#endif
#ifndef T_MF
#  define T_MF            4   /* ns_t_mf */
#endif
#ifndef T_CNAME
#  define T_CNAME         5   /* ns_t_cname */
#endif
#ifndef T_SOA
#  define T_SOA           6   /* ns_t_soa */
#endif
#ifndef T_MB
#  define T_MB            7   /* ns_t_mb */
#endif
#ifndef T_MG
#  define T_MG            8   /* ns_t_mg */
#endif
#ifndef T_MR
#  define T_MR            9   /* ns_t_mr */
#endif
#ifndef T_NULL
#  define T_NULL          10  /* ns_t_null */
#endif
#ifndef T_WKS
#  define T_WKS           11  /* ns_t_wks */
#endif
#ifndef T_PTR
#  define T_PTR           12  /* ns_t_ptr */
#endif
#ifndef T_HINFO
#  define T_HINFO         13  /* ns_t_hinfo */
#endif
#ifndef T_MINFO
#  define T_MINFO         14  /* ns_t_minfo */
#endif
#ifndef T_MX
#  define T_MX            15  /* ns_t_mx */
#endif
#ifndef T_TXT
#  define T_TXT           16  /* ns_t_txt */
#endif
#ifndef T_RP
#  define T_RP            17  /* ns_t_rp */
#endif
#ifndef T_AFSDB
#  define T_AFSDB         18  /* ns_t_afsdb */
#endif
#ifndef T_X25
#  define T_X25           19  /* ns_t_x25 */
#endif
#ifndef T_ISDN
#  define T_ISDN          20  /* ns_t_isdn */
#endif
#ifndef T_RT
#  define T_RT            21  /* ns_t_rt */
#endif
#ifndef T_NSAP
#  define T_NSAP          22  /* ns_t_nsap */
#endif
#ifndef T_NSAP_PTR
#  define T_NSAP_PTR      23  /* ns_t_nsap_ptr */
#endif
#ifndef T_SIG
#  define T_SIG           24  /* ns_t_sig */
#endif
#ifndef T_KEY
#  define T_KEY           25  /* ns_t_key */
#endif
#ifndef T_PX
#  define T_PX            26  /* ns_t_px */
#endif
#ifndef T_GPOS
#  define T_GPOS          27  /* ns_t_gpos */
#endif
#ifndef T_AAAA
#  define T_AAAA          28  /* ns_t_aaaa */
#endif
#ifndef T_LOC
#  define T_LOC           29  /* ns_t_loc */
#endif
#ifndef T_NXT
#  define T_NXT           30  /* ns_t_nxt */
#endif
#ifndef T_EID
#  define T_EID           31  /* ns_t_eid */
#endif
#ifndef T_NIMLOC
#  define T_NIMLOC        32  /* ns_t_nimloc */
#endif
#ifndef T_SRV
#  define T_SRV           33  /* ns_t_srv */
#endif
#ifndef T_ATMA
#  define T_ATMA          34  /* ns_t_atma */
#endif
#ifndef T_NAPTR
#  define T_NAPTR         35  /* ns_t_naptr */
#endif
#ifndef T_KX
#  define T_KX            36  /* ns_t_kx */
#endif
#ifndef T_CERT
#  define T_CERT          37  /* ns_t_cert */
#endif
#ifndef T_A6
#  define T_A6            38  /* ns_t_a6 */
#endif
#ifndef T_DNAME
#  define T_DNAME         39  /* ns_t_dname */
#endif
#ifndef T_SINK
#  define T_SINK          40  /* ns_t_sink */
#endif
#ifndef T_OPT
#  define T_OPT           41  /* ns_t_opt */
#endif
#ifndef T_APL
#  define T_APL           42  /* ns_t_apl */
#endif
#ifndef T_DS
#  define T_DS            43  /* ns_t_ds */
#endif
#ifndef T_SSHFP
#  define T_SSHFP         44  /* ns_t_sshfp */
#endif
#ifndef T_RRSIG
#  define T_RRSIG         46  /* ns_t_rrsig */
#endif
#ifndef T_NSEC
#  define T_NSEC          47  /* ns_t_nsec */
#endif
#ifndef T_DNSKEY
#  define T_DNSKEY        48  /* ns_t_dnskey */
#endif
#ifndef T_TKEY
#  define T_TKEY          249 /* ns_t_tkey */
#endif
#ifndef T_TSIG
#  define T_TSIG          250 /* ns_t_tsig */
#endif
#ifndef T_IXFR
#  define T_IXFR          251 /* ns_t_ixfr */
#endif
#ifndef T_AXFR
#  define T_AXFR          252 /* ns_t_axfr */
#endif
#ifndef T_MAILB
#  define T_MAILB         253 /* ns_t_mailb */
#endif
#ifndef T_MAILA
#  define T_MAILA         254 /* ns_t_maila */
#endif
#ifndef T_ANY
#  define T_ANY           255 /* ns_t_any */
#endif
#ifndef T_URI
#  define T_URI          256 /* ns_t_uri */
#endif
#ifndef T_CAA
#  define T_CAA           257 /* ns_t_caa */
#endif
#ifndef T_MAX
#  define T_MAX         65536 /* ns_t_max */
#endif


#endif /* ARES_NAMESER_H */