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1/*
2 * Copyright (c) 1983, 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/*
35 * Copyright (c) 1996-1999 by Internet Software Consortium.
36 *
37 * Permission to use, copy, modify, and distribute this software for any
38 * purpose with or without fee is hereby granted, provided that the above
39 * copyright notice and this permission notice appear in all copies.
40 *
41 * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
42 * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
43 * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
44 * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
45 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
46 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
47 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
48 * SOFTWARE.
49 */
50
51/*
52 * $Id: nameser.h,v 1.1 2006/03/01 19:01:36 majka Exp $
53 */
54
55#ifndef _NAMESER_9_H_
56#define _NAMESER_9_H_
57
58#ifdef BIND_8_COMPAT
59#include <arpa/nameser_compat.h>
60#endif
61
62#include <sys/param.h>
63#if (!defined(BSD)) || (BSD < 199306)
64# include <sys/bitypes.h>
65#else
66# include <sys/types.h>
67#endif
68#include <sys/cdefs.h>
69
70/*
71 * Revision information. This is the release date in YYYYMMDD format.
72 * It can change every day so the right thing to do with it is use it
73 * in preprocessor commands such as "#if (__NAMESER > 19931104)". Do not
74 * compare for equality; rather, use it to determine whether your libbind.a
75 * contains a new enough lib/nameser/ to support the feature you need.
76 */
77
78#define __NAMESER 19991006 /* New interface version stamp. */
79
80/*
81 * Define constants based on RFC 883, RFC 1034, RFC 1035
82 */
83#define NS_PACKETSZ 512 /* maximum packet size */
84#define NS_MAXDNAME 1025 /* maximum domain name */
85#define NS_MAXCDNAME 255 /* maximum compressed domain name */
86#define NS_MAXLABEL 63 /* maximum length of domain label */
87#define NS_HFIXEDSZ 12 /* #/bytes of fixed data in header */
88#define NS_QFIXEDSZ 4 /* #/bytes of fixed data in query */
89#define NS_RRFIXEDSZ 10 /* #/bytes of fixed data in r record */
90#define NS_INT32SZ 4 /* #/bytes of data in a u_int32_t */
91#define NS_INT16SZ 2 /* #/bytes of data in a u_int16_t */
92#define NS_INT8SZ 1 /* #/bytes of data in a u_int8_t */
93#define NS_INADDRSZ 4 /* IPv4 T_A */
94#define NS_IN6ADDRSZ 16 /* IPv6 T_AAAA */
95#define NS_CMPRSFLGS 0xc0 /* Flag bits indicating name compression. */
96#define NS_DEFAULTPORT 53 /* For both TCP and UDP. */
97
98/*
99 * These can be expanded with synonyms, just keep ns_parse.c:ns_parserecord()
100 * in synch with it.
101 */
102#define ns_sect res_9_ns_sect
103typedef enum __ns_sect {
104 ns_s_qd = 0, /* Query: Question. */
105 ns_s_zn = 0, /* Update: Zone. */
106 ns_s_an = 1, /* Query: Answer. */
107 ns_s_pr = 1, /* Update: Prerequisites. */
108 ns_s_ns = 2, /* Query: Name servers. */
109 ns_s_ud = 2, /* Update: Update. */
110 ns_s_ar = 3, /* Query|Update: Additional records. */
111 ns_s_max = 4
112} ns_sect;
113
114/*
115 * This is a message handle. It is caller allocated and has no dynamic data.
116 * This structure is intended to be opaque to all but ns_parse.c, thus the
117 * leading _'s on the member names. Use the accessor functions, not the _'s.
118 */
119#define ns_msg res_9_ns_msg
120typedef struct __ns_msg {
121 const u_char *_msg, *_eom;
122 u_int16_t _id, _flags, _counts[ns_s_max];
123 const u_char *_sections[ns_s_max];
124 ns_sect _sect;
125 int _rrnum;
126 const u_char *_msg_ptr;
127} ns_msg;
128
129/* Private data structure - do not use from outside library. */
130#define _ns_flagdata _res_9_ns_flagdata
131struct _ns_flagdata { int mask, shift; };
132extern struct _ns_flagdata _ns_flagdata[];
133
134/* Accessor macros - this is part of the public interface. */
135
136#define ns_msg_id(handle) ((handle)._id + 0)
137#define ns_msg_base(handle) ((handle)._msg + 0)
138#define ns_msg_end(handle) ((handle)._eom + 0)
139#define ns_msg_size(handle) ((handle)._eom - (handle)._msg)
140#define ns_msg_count(handle, section) ((handle)._counts[section] + 0)
141
142/*
143 * This is a parsed record. It is caller allocated and has no dynamic data.
144 */
145#define ns_rr res_9_ns_rr
146
147typedef struct __ns_rr {
148 char name[NS_MAXDNAME];
149 u_int16_t type;
150 u_int16_t rr_class;
151 u_int32_t ttl;
152 u_int16_t rdlength;
153 const u_char * rdata;
154} ns_rr;
155
156/* Accessor macros - this is part of the public interface. */
157#define ns_rr_name(rr) (((rr).name[0] != '\0') ? (rr).name : ".")
158#define ns_rr_type(rr) ((ns_type)((rr).type + 0))
159#define ns_rr_class(rr) ((ns_class)((rr).rr_class + 0))
160#define ns_rr_ttl(rr) ((rr).ttl + 0)
161#define ns_rr_rdlen(rr) ((rr).rdlength + 0)
162#define ns_rr_rdata(rr) ((rr).rdata + 0)
163
164/*
165 * These don't have to be in the same order as in the packet flags word,
166 * and they can even overlap in some cases, but they will need to be kept
167 * in synch with ns_parse.c:ns_flagdata[].
168 */
169#define ns_flag res_9_ns_flag
170typedef enum __ns_flag {
171 ns_f_qr, /* Question/Response. */
172 ns_f_opcode, /* Operation code. */
173 ns_f_aa, /* Authoritative Answer. */
174 ns_f_tc, /* Truncation occurred. */
175 ns_f_rd, /* Recursion Desired. */
176 ns_f_ra, /* Recursion Available. */
177 ns_f_z, /* MBZ. */
178 ns_f_ad, /* Authentic Data (DNSSEC). */
179 ns_f_cd, /* Checking Disabled (DNSSEC). */
180 ns_f_rcode, /* Response code. */
181 ns_f_max
182} ns_flag;
183
184/*
185 * Currently defined opcodes.
186 */
187#define ns_opcode res_9_ns_opcode
188typedef enum __ns_opcode {
189 ns_o_query = 0, /* Standard query. */
190 ns_o_iquery = 1, /* Inverse query (deprecated/unsupported). */
191 ns_o_status = 2, /* Name server status query (unsupported). */
192 /* Opcode 3 is undefined/reserved. */
193 ns_o_notify = 4, /* Zone change notification. */
194 ns_o_update = 5, /* Zone update message. */
195 ns_o_max = 6
196} ns_opcode;
197
198/*
199 * Currently defined response codes.
200 */
201#define ns_rcode res_9_ns_rcode
202typedef enum __ns_rcode {
203 ns_r_noerror = 0, /* No error occurred. */
204 ns_r_formerr = 1, /* Format error. */
205 ns_r_servfail = 2, /* Server failure. */
206 ns_r_nxdomain = 3, /* Name error. */
207 ns_r_notimpl = 4, /* Unimplemented. */
208 ns_r_refused = 5, /* Operation refused. */
209 /* these are for BIND_UPDATE */
210 ns_r_yxdomain = 6, /* Name exists */
211 ns_r_yxrrset = 7, /* RRset exists */
212 ns_r_nxrrset = 8, /* RRset does not exist */
213 ns_r_notauth = 9, /* Not authoritative for zone */
214 ns_r_notzone = 10, /* Zone of record different from zone section */
215 ns_r_max = 11,
216 /* The following are EDNS extended rcodes */
217 ns_r_badvers = 16,
218 /* The following are TSIG errors */
219 ns_r_badsig = 16,
220 ns_r_badkey = 17,
221 ns_r_badtime = 18
222} ns_rcode;
223
224/* BIND_UPDATE */
225#define ns_update_operation res_9_ns_update_operation
226typedef enum __ns_update_operation {
227 ns_uop_delete = 0,
228 ns_uop_add = 1,
229 ns_uop_max = 2
230} ns_update_operation;
231
232/*
233 * This structure is used for TSIG authenticated messages
234 */
235#define ns_tsig_key res_9_ns_tsig_key
236struct ns_tsig_key {
237 char name[NS_MAXDNAME], alg[NS_MAXDNAME];
238 unsigned char *data;
239 int len;
240};
241typedef struct ns_tsig_key ns_tsig_key;
242
243/*
244 * This structure is used for TSIG authenticated TCP messages
245 */
246#define ns_tcp_tsig_state res_9_ns_tcp_tsig_state
247struct ns_tcp_tsig_state {
248 int counter;
249 struct dst_key *key;
250 void *ctx;
251 unsigned char sig[NS_PACKETSZ];
252 int siglen;
253};
254typedef struct ns_tcp_tsig_state ns_tcp_tsig_state;
255
256#define NS_TSIG_FUDGE 300
257#define NS_TSIG_TCP_COUNT 100
258#define NS_TSIG_ALG_HMAC_MD5 "HMAC-MD5.SIG-ALG.REG.INT"
259
260#define NS_TSIG_ERROR_NO_TSIG -10
261#define NS_TSIG_ERROR_NO_SPACE -11
262#define NS_TSIG_ERROR_FORMERR -12
263
264/*
265 * Currently defined type values for resources and queries.
266 */
267#define ns_typw res_9_ns_type
268typedef enum __ns_type {
269 ns_t_invalid = 0, /* Cookie. */
270 ns_t_a = 1, /* Host address. */
271 ns_t_ns = 2, /* Authoritative server. */
272 ns_t_md = 3, /* Mail destination. */
273 ns_t_mf = 4, /* Mail forwarder. */
274 ns_t_cname = 5, /* Canonical name. */
275 ns_t_soa = 6, /* Start of authority zone. */
276 ns_t_mb = 7, /* Mailbox domain name. */
277 ns_t_mg = 8, /* Mail group member. */
278 ns_t_mr = 9, /* Mail rename name. */
279 ns_t_null = 10, /* Null resource record. */
280 ns_t_wks = 11, /* Well known service. */
281 ns_t_ptr = 12, /* Domain name pointer. */
282 ns_t_hinfo = 13, /* Host information. */
283 ns_t_minfo = 14, /* Mailbox information. */
284 ns_t_mx = 15, /* Mail routing information. */
285 ns_t_txt = 16, /* Text strings. */
286 ns_t_rp = 17, /* Responsible person. */
287 ns_t_afsdb = 18, /* AFS cell database. */
288 ns_t_x25 = 19, /* X_25 calling address. */
289 ns_t_isdn = 20, /* ISDN calling address. */
290 ns_t_rt = 21, /* Router. */
291 ns_t_nsap = 22, /* NSAP address. */
292 ns_t_nsap_ptr = 23, /* Reverse NSAP lookup (deprecated). */
293 ns_t_sig = 24, /* Security signature. */
294 ns_t_key = 25, /* Security key. */
295 ns_t_px = 26, /* X.400 mail mapping. */
296 ns_t_gpos = 27, /* Geographical position (withdrawn). */
297 ns_t_aaaa = 28, /* Ip6 Address. */
298 ns_t_loc = 29, /* Location Information. */
299 ns_t_nxt = 30, /* Next domain (security). */
300 ns_t_eid = 31, /* Endpoint identifier. */
301 ns_t_nimloc = 32, /* Nimrod Locator. */
302 ns_t_srv = 33, /* Server Selection. */
303 ns_t_atma = 34, /* ATM Address */
304 ns_t_naptr = 35, /* Naming Authority PoinTeR */
305 ns_t_kx = 36, /* Key Exchange */
306 ns_t_cert = 37, /* Certification record */
307 ns_t_a6 = 38, /* IPv6 address (deprecates AAAA) */
308 ns_t_dname = 39, /* Non-terminal DNAME (for IPv6) */
309 ns_t_sink = 40, /* Kitchen sink (experimentatl) */
310 ns_t_opt = 41, /* EDNS0 option (meta-RR) */
311 ns_t_tkey = 249, /* Transaction key */
312 ns_t_tsig = 250, /* Transaction signature. */
313 ns_t_ixfr = 251, /* Incremental zone transfer. */
314 ns_t_axfr = 252, /* Transfer zone of authority. */
315 ns_t_mailb = 253, /* Transfer mailbox records. */
316 ns_t_maila = 254, /* Transfer mail agent records. */
317 ns_t_any = 255, /* Wildcard match. */
318 ns_t_zxfr = 256, /* BIND-specific, nonstandard. */
319 ns_t_max = 65536
320} ns_type;
321
322/* Exclusively a QTYPE? (not also an RTYPE) */
323#define ns_t_qt_p(t) (ns_t_xfr_p(t) || (t) == ns_t_any || \
324 (t) == ns_t_mailb || (t) == ns_t_maila)
325/* Some kind of meta-RR? (not a QTYPE, but also not an RTYPE) */
326#define ns_t_mrr_p(t) ((t) == ns_t_tsig || (t) == ns_t_opt)
327/* Exclusively an RTYPE? (not also a QTYPE or a meta-RR) */
328#define ns_t_rr_p(t) (!ns_t_qt_p(t) && !ns_t_mrr_p(t))
329#define ns_t_udp_p(t) ((t) != ns_t_axfr && (t) != ns_t_zxfr)
330#define ns_t_xfr_p(t) ((t) == ns_t_axfr || (t) == ns_t_ixfr || \
331 (t) == ns_t_zxfr)
332
333/*
334 * Values for class field
335 */
336#define ns_class res_9_ns_class
337typedef enum __ns_class {
338 ns_c_invalid = 0, /* Cookie. */
339 ns_c_in = 1, /* Internet. */
340 ns_c_2 = 2, /* unallocated/unsupported. */
341 ns_c_chaos = 3, /* MIT Chaos-net. */
342 ns_c_hs = 4, /* MIT Hesiod. */
343 /* Query class values which do not appear in resource records */
344 ns_c_none = 254, /* for prereq. sections in update requests */
345 ns_c_any = 255, /* Wildcard match. */
346 ns_c_max = 65536
347} ns_class;
348
349/* DNSSEC constants. */
350
351#define ns_key_types res_9_ns_key_types
352typedef enum __ns_key_types {
353 ns_kt_rsa = 1, /* key type RSA/MD5 */
354 ns_kt_dh = 2, /* Diffie Hellman */
355 ns_kt_dsa = 3, /* Digital Signature Standard (MANDATORY) */
356 ns_kt_private = 254 /* Private key type starts with OID */
357} ns_key_types;
358
359#define ns_cert_types res_9_ns_cert_types
360typedef enum __ns_cert_types {
361 cert_t_pkix = 1, /* PKIX (X.509v3) */
362 cert_t_spki = 2, /* SPKI */
363 cert_t_pgp = 3, /* PGP */
364 cert_t_url = 253, /* URL private type */
365 cert_t_oid = 254 /* OID private type */
366} ns_cert_types;
367
368/* Flags field of the KEY RR rdata. */
369#define NS_KEY_TYPEMASK 0xC000 /* Mask for "type" bits */
370#define NS_KEY_TYPE_AUTH_CONF 0x0000 /* Key usable for both */
371#define NS_KEY_TYPE_CONF_ONLY 0x8000 /* Key usable for confidentiality */
372#define NS_KEY_TYPE_AUTH_ONLY 0x4000 /* Key usable for authentication */
373#define NS_KEY_TYPE_NO_KEY 0xC000 /* No key usable for either; no key */
374/* The type bits can also be interpreted independently, as single bits: */
375#define NS_KEY_NO_AUTH 0x8000 /* Key unusable for authentication */
376#define NS_KEY_NO_CONF 0x4000 /* Key unusable for confidentiality */
377#define NS_KEY_RESERVED2 0x2000 /* Security is *mandatory* if bit=0 */
378#define NS_KEY_EXTENDED_FLAGS 0x1000 /* reserved - must be zero */
379#define NS_KEY_RESERVED4 0x0800 /* reserved - must be zero */
380#define NS_KEY_RESERVED5 0x0400 /* reserved - must be zero */
381#define NS_KEY_NAME_TYPE 0x0300 /* these bits determine the type */
382#define NS_KEY_NAME_USER 0x0000 /* key is assoc. with user */
383#define NS_KEY_NAME_ENTITY 0x0200 /* key is assoc. with entity eg host */
384#define NS_KEY_NAME_ZONE 0x0100 /* key is zone key */
385#define NS_KEY_NAME_RESERVED 0x0300 /* reserved meaning */
386#define NS_KEY_RESERVED8 0x0080 /* reserved - must be zero */
387#define NS_KEY_RESERVED9 0x0040 /* reserved - must be zero */
388#define NS_KEY_RESERVED10 0x0020 /* reserved - must be zero */
389#define NS_KEY_RESERVED11 0x0010 /* reserved - must be zero */
390#define NS_KEY_SIGNATORYMASK 0x000F /* key can sign RR's of same name */
391#define NS_KEY_RESERVED_BITMASK ( NS_KEY_RESERVED2 | \
392 NS_KEY_RESERVED4 | \
393 NS_KEY_RESERVED5 | \
394 NS_KEY_RESERVED8 | \
395 NS_KEY_RESERVED9 | \
396 NS_KEY_RESERVED10 | \
397 NS_KEY_RESERVED11 )
398#define NS_KEY_RESERVED_BITMASK2 0xFFFF /* no bits defined here */
399
400/* The Algorithm field of the KEY and SIG RR's is an integer, {1..254} */
401#define NS_ALG_MD5RSA 1 /* MD5 with RSA */
402#define NS_ALG_DH 2 /* Diffie Hellman KEY */
403#define NS_ALG_DSA 3 /* DSA KEY */
404#define NS_ALG_DSS NS_ALG_DSA
405#define NS_ALG_EXPIRE_ONLY 253 /* No alg, no security */
406#define NS_ALG_PRIVATE_OID 254 /* Key begins with OID giving alg */
407
408/* Protocol values */
409/* value 0 is reserved */
410#define NS_KEY_PROT_TLS 1
411#define NS_KEY_PROT_EMAIL 2
412#define NS_KEY_PROT_DNSSEC 3
413#define NS_KEY_PROT_IPSEC 4
414#define NS_KEY_PROT_ANY 255
415
416/* Signatures */
417#define NS_MD5RSA_MIN_BITS 512 /* Size of a mod or exp in bits */
418#define NS_MD5RSA_MAX_BITS 2552
419 /* Total of binary mod and exp */
420#define NS_MD5RSA_MAX_BYTES ((NS_MD5RSA_MAX_BITS+7/8)*2+3)
421 /* Max length of text sig block */
422#define NS_MD5RSA_MAX_BASE64 (((NS_MD5RSA_MAX_BYTES+2)/3)*4)
423#define NS_MD5RSA_MIN_SIZE ((NS_MD5RSA_MIN_BITS+7)/8)
424#define NS_MD5RSA_MAX_SIZE ((NS_MD5RSA_MAX_BITS+7)/8)
425
426#define NS_DSA_SIG_SIZE 41
427#define NS_DSA_MIN_SIZE 213
428#define NS_DSA_MAX_BYTES 405
429
430/* Offsets into SIG record rdata to find various values */
431#define NS_SIG_TYPE 0 /* Type flags */
432#define NS_SIG_ALG 2 /* Algorithm */
433#define NS_SIG_LABELS 3 /* How many labels in name */
434#define NS_SIG_OTTL 4 /* Original TTL */
435#define NS_SIG_EXPIR 8 /* Expiration time */
436#define NS_SIG_SIGNED 12 /* Signature time */
437#define NS_SIG_FOOT 16 /* Key footprint */
438#define NS_SIG_SIGNER 18 /* Domain name of who signed it */
439
440/* How RR types are represented as bit-flags in NXT records */
441#define NS_NXT_BITS 8
442#define NS_NXT_BIT_SET( n,p) (p[(n)/NS_NXT_BITS] |= (0x80>>((n)%NS_NXT_BITS)))
443#define NS_NXT_BIT_CLEAR(n,p) (p[(n)/NS_NXT_BITS] &= ~(0x80>>((n)%NS_NXT_BITS)))
444#define NS_NXT_BIT_ISSET(n,p) (p[(n)/NS_NXT_BITS] & (0x80>>((n)%NS_NXT_BITS)))
445#define NS_NXT_MAX 127
446
447/*
448 * EDNS0 extended flags, host order.
449 */
450#define NS_OPT_DNSSEC_OK 0x8000U
451
452/*
453 * Inline versions of get/put short/long. Pointer is advanced.
454 */
455#define NS_GET16(s, cp) do { \
456 register const u_char *t_cp = (const u_char *)(cp); \
457 (s) = ((u_int16_t)t_cp[0] << 8) \
458 | ((u_int16_t)t_cp[1]) \
459 ; \
460 (cp) += NS_INT16SZ; \
461} while (0)
462
463#define NS_GET32(l, cp) do { \
464 register const u_char *t_cp = (const u_char *)(cp); \
465 (l) = ((u_int32_t)t_cp[0] << 24) \
466 | ((u_int32_t)t_cp[1] << 16) \
467 | ((u_int32_t)t_cp[2] << 8) \
468 | ((u_int32_t)t_cp[3]) \
469 ; \
470 (cp) += NS_INT32SZ; \
471} while (0)
472
473#define NS_PUT16(s, cp) do { \
474 register u_int16_t t_s = (u_int16_t)(s); \
475 register u_char *t_cp = (u_char *)(cp); \
476 *t_cp++ = t_s >> 8; \
477 *t_cp = t_s; \
478 (cp) += NS_INT16SZ; \
479} while (0)
480
481#define NS_PUT32(l, cp) do { \
482 register u_int32_t t_l = (u_int32_t)(l); \
483 register u_char *t_cp = (u_char *)(cp); \
484 *t_cp++ = t_l >> 24; \
485 *t_cp++ = t_l >> 16; \
486 *t_cp++ = t_l >> 8; \
487 *t_cp = t_l; \
488 (cp) += NS_INT32SZ; \
489} while (0)
490
491/*
492 * ANSI C identifier hiding for bind's lib/nameser.
493 */
494#define ns_msg_getflag res_9_ns_msg_getflag
495#define ns_get16 res_9_ns_get16
496#define ns_get32 res_9_ns_get32
497#define ns_put16 res_9_ns_put16
498#define ns_put32 res_9_ns_put32
499#define ns_initparse res_9_ns_initparse
500#define ns_skiprr res_9_ns_skiprr
501#define ns_parserr res_9_ns_parserr
502#define ns_sprintrr res_9_ns_sprintrr
503#define ns_sprintrrf res_9_ns_sprintrrf
504#define ns_format_ttl res_9_ns_format_ttl
505#define ns_parse_ttl res_9_ns_parse_ttl
506#define ns_datetosecs res_9_ns_datetosecs
507#define ns_name_ntol res_9_ns_name_ntol
508#define ns_name_ntop res_9_ns_name_ntop
509#define ns_name_pton res_9_ns_name_pton
510#define ns_name_unpack res_9_ns_name_unpack
511#define ns_name_pack res_9_ns_name_pack
512#define ns_name_compress res_9_ns_name_compress
513#define ns_name_uncompress res_9_ns_name_uncompress
514#define ns_name_skip res_9_ns_name_skip
515#define ns_name_rollback res_9_ns_name_rollback
516#define ns_sign res_9_ns_sign
517#define ns_sign2 res_9_ns_sign2
518#define ns_sign_tcp res_9_ns_sign_tcp
519#define ns_sign_tcp2 res_9_ns_sign_tcp2
520#define ns_sign_tcp_init res_9_ns_sign_tcp_init
521#define ns_find_tsig res_9_ns_find_tsig
522#define ns_verify res_9_ns_verify
523#define ns_verify_tcp res_9_ns_verify_tcp
524#define ns_verify_tcp_init res_9_ns_verify_tcp_init
525#define ns_samedomain res_9_ns_samedomain
526#define ns_subdomain res_9_ns_subdomain
527#define ns_makecanon res_9_ns_makecanon
528#define ns_samename res_9_ns_samename
529
530__BEGIN_DECLS
531int ns_msg_getflag __P((ns_msg, int));
532u_int ns_get16 __P((const u_char *));
533u_long ns_get32 __P((const u_char *));
534void ns_put16 __P((u_int, u_char *));
535void ns_put32 __P((u_long, u_char *));
536int ns_initparse __P((const u_char *, int, ns_msg *));
537int ns_skiprr __P((const u_char *, const u_char *, ns_sect, int));
538int ns_parserr __P((ns_msg *, ns_sect, int, ns_rr *));
539int ns_sprintrr __P((const ns_msg *, const ns_rr *,
540 const char *, const char *, char *, size_t));
541int ns_sprintrrf __P((const u_char *, size_t, const char *,
542 ns_class, ns_type, u_long, const u_char *,
543 size_t, const char *, const char *,
544 char *, size_t));
545int ns_format_ttl __P((u_long, char *, size_t));
546int ns_parse_ttl __P((const char *, u_long *));
547u_int32_t ns_datetosecs __P((const char *cp, int *errp));
548int ns_name_ntol __P((const u_char *, u_char *, size_t));
549int ns_name_ntop __P((const u_char *, char *, size_t));
550int ns_name_pton __P((const char *, u_char *, size_t));
551int ns_name_unpack __P((const u_char *, const u_char *,
552 const u_char *, u_char *, size_t));
553int ns_name_pack __P((const u_char *, u_char *, int,
554 const u_char **, const u_char **));
555int ns_name_uncompress __P((const u_char *, const u_char *,
556 const u_char *, char *, size_t));
557int ns_name_compress __P((const char *, u_char *, size_t,
558 const u_char **, const u_char **));
559int ns_name_skip __P((const u_char **, const u_char *));
560void ns_name_rollback __P((const u_char *, const u_char **,
561 const u_char **));
562int ns_sign __P((u_char *, int *, int, int, void *,
563 const u_char *, int, u_char *, int *, time_t));
564int ns_sign2 __P((u_char *, int *, int, int, void *,
565 const u_char *, int, u_char *, int *, time_t,
566 u_char **, u_char **));
567int ns_sign_tcp __P((u_char *, int *, int, int,
568 ns_tcp_tsig_state *, int));
569int ns_sign_tcp2 __P((u_char *, int *, int, int,
570 ns_tcp_tsig_state *, int,
571 u_char **, u_char **));
572int ns_sign_tcp_init __P((void *, const u_char *, int,
573 ns_tcp_tsig_state *));
574u_char *ns_find_tsig __P((u_char *, u_char *));
575int ns_verify __P((u_char *, int *, void *,
576 const u_char *, int, u_char *, int *,
577 time_t *, int));
578int ns_verify_tcp __P((u_char *, int *, ns_tcp_tsig_state *, int));
579int ns_verify_tcp_init __P((void *, const u_char *, int,
580 ns_tcp_tsig_state *));
581int ns_samedomain __P((const char *, const char *));
582int ns_subdomain __P((const char *, const char *));
583int ns_makecanon __P((const char *, char *, size_t));
584int ns_samename __P((const char *, const char *));
585__END_DECLS
586
587#endif /* !_NAMESER_9_H_ */