libspf2  1.2.11
arpa_nameser.h
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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 1.2.2.4 2003/06/27 03:51:37 marka Exp $
53  */
54 
55 #ifndef REPLACE_ARPA_NAMESER_H_
56 #define REPLACE_ARPA_NAMESER_H_
57 
58 #ifndef __P
59 # define __P(x) x
60 #endif
61 
62 #if defined( HAVE_ARPA_NAMESER_H ) && defined( HAVE_NS_TYPE )
63 #define dn_expand __dn_expand
64 int dn_expand __P((const u_char *, const u_char *, const u_char *,
65  char *, int));
66 #endif
67 #define dn_skipname __dn_skipname
68 int dn_skipname __P((const u_char *, const u_char *));
69 
70 #include <sys/param.h>
71 #ifdef HAVE_SYS_TYPES_H
72 #include <sys/types.h> /* types (u_char .. etc..) */
73 #endif
74 
75 #ifdef HAVE_INTTYPES_H
76 #include <inttypes.h>
77 #endif
78 
79 #ifndef HAVE_U_INT8_T
80 # ifdef HAVE_UINT8_T
81  typedef uint8_t u_int8_t;
82 # else
83  typedef unsigned char u_int8_t;
84 # endif
85 #endif
86 
87 #ifndef HAVE_U_INT16_T
88 # ifdef HAVE_UINT16_T
89  typedef uint16_t u_int16_t;
90 # else
91  typedef unsigned short u_int16_t;
92 # endif
93 #endif
94 
95 #ifndef HAVE_U_INT32_T
96 # ifdef HAVE_UINT32_T
97  typedef uint32_t u_int32_t;
98 # else
99  typedef unsigned int u_int32_t;
100 # endif
101 #endif
102 
103 
104 #if 0
105 #if (!defined(BSD)) || (BSD < 199306)
106 # include <sys/bitypes.h>
107 #else
108 # include <sys/types.h>
109 #endif
110 #include <sys/cdefs.h>
111 #endif
112 
113 /*
114  * Revision information. This is the release date in YYYYMMDD format.
115  * It can change every day so the right thing to do with it is use it
116  * in preprocessor commands such as "#if (__NAMESER > 19931104)". Do not
117  * compare for equality; rather, use it to determine whether your libbind.a
118  * contains a new enough lib/nameser/ to support the feature you need.
119  */
120 
121 #define __NAMESER 19991006 /* New interface version stamp. */
122 
123 /*
124  * Define constants based on RFC 883, RFC 1034, RFC 1035
125  */
126 #define NS_PACKETSZ 512 /* default UDP packet size */
127 #define NS_MAXDNAME 1025 /* maximum domain name */
128 #define NS_MAXMSG 65535 /* maximum message size */
129 #define NS_MAXCDNAME 255 /* maximum compressed domain name */
130 #define NS_MAXLABEL 63 /* maximum length of domain label */
131 #define NS_HFIXEDSZ 12 /* #/bytes of fixed data in header */
132 #define NS_QFIXEDSZ 4 /* #/bytes of fixed data in query */
133 #define NS_RRFIXEDSZ 10 /* #/bytes of fixed data in r record */
134 #define NS_INT32SZ 4 /* #/bytes of data in a u_int32_t */
135 #define NS_INT16SZ 2 /* #/bytes of data in a u_int16_t */
136 #define NS_INT8SZ 1 /* #/bytes of data in a u_int8_t */
137 #define NS_INADDRSZ 4 /* IPv4 T_A */
138 #define NS_IN6ADDRSZ 16 /* IPv6 T_AAAA */
139 #define NS_CMPRSFLGS 0xc0 /* Flag bits indicating name compression. */
140 #define NS_DEFAULTPORT 53 /* For both TCP and UDP. */
141 
142 /*
143  * These can be expanded with synonyms, just keep ns_parse.c:ns_parserecord()
144  * in synch with it.
145  */
146 typedef enum __ns_sect {
147  ns_s_qd = 0, /* Query: Question. */
148  ns_s_zn = 0, /* Update: Zone. */
149  ns_s_an = 1, /* Query: Answer. */
150  ns_s_pr = 1, /* Update: Prerequisites. */
151  ns_s_ns = 2, /* Query: Name servers. */
152  ns_s_ud = 2, /* Update: Update. */
153  ns_s_ar = 3, /* Query|Update: Additional records. */
154  ns_s_max = 4
156 
157 /*
158  * This is a message handle. It is caller allocated and has no dynamic data.
159  * This structure is intended to be opaque to all but ns_parse.c, thus the
160  * leading _'s on the member names. Use the accessor functions, not the _'s.
161  */
162 typedef struct __ns_msg {
163  const u_char *_msg, *_eom;
164  u_int16_t _id, _flags, _counts[ns_s_max];
165  const u_char *_sections[ns_s_max];
167  int _rrnum;
168  const u_char *_msg_ptr;
169 } ns_msg;
170 
171 /* Private data structure - do not use from outside library. */
172 struct _ns_flagdata { int mask, shift; };
173 extern struct _ns_flagdata _ns_flagdata[];
174 
175 /* Accessor macros - this is part of the public interface. */
176 
177 #define ns_msg_id(handle) ((handle)._id + 0)
178 #define ns_msg_base(handle) ((handle)._msg + 0)
179 #define ns_msg_end(handle) ((handle)._eom + 0)
180 #define ns_msg_size(handle) ((handle)._eom - (handle)._msg)
181 #define ns_msg_count(handle, section) ((handle)._counts[section] + 0)
182 
183 /*
184  * This is a parsed record. It is caller allocated and has no dynamic data.
185  */
186 typedef struct __ns_rr {
187  char name[NS_MAXDNAME];
192  const u_char * rdata;
193 } ns_rr;
194 
195 /* Accessor macros - this is part of the public interface. */
196 #define ns_rr_name(rr) (((rr).name[0] != '\0') ? (rr).name : ".")
197 #define ns_rr_type(rr) ((ns_type)((rr).type + 0))
198 #define ns_rr_class(rr) ((ns_class)((rr).rr_class + 0))
199 #define ns_rr_ttl(rr) ((rr).ttl + 0)
200 #define ns_rr_rdlen(rr) ((rr).rdlength + 0)
201 #define ns_rr_rdata(rr) ((rr).rdata + 0)
202 
203 /*
204  * These don't have to be in the same order as in the packet flags word,
205  * and they can even overlap in some cases, but they will need to be kept
206  * in synch with ns_parse.c:ns_flagdata[].
207  */
208 typedef enum __ns_flag {
209  ns_f_qr, /* Question/Response. */
210  ns_f_opcode, /* Operation code. */
211  ns_f_aa, /* Authoritative Answer. */
212  ns_f_tc, /* Truncation occurred. */
213  ns_f_rd, /* Recursion Desired. */
214  ns_f_ra, /* Recursion Available. */
215  ns_f_z, /* MBZ. */
216  ns_f_ad, /* Authentic Data (DNSSEC). */
217  ns_f_cd, /* Checking Disabled (DNSSEC). */
218  ns_f_rcode, /* Response code. */
219  ns_f_max
221 
222 /*
223  * Currently defined opcodes.
224  */
225 typedef enum __ns_opcode {
226  ns_o_query = 0, /* Standard query. */
227  ns_o_iquery = 1, /* Inverse query (deprecated/unsupported). */
228  ns_o_status = 2, /* Name server status query (unsupported). */
229  /* Opcode 3 is undefined/reserved. */
230  ns_o_notify = 4, /* Zone change notification. */
231  ns_o_update = 5, /* Zone update message. */
232  ns_o_max = 6
234 
235 /*
236  * Currently defined response codes.
237  */
238 typedef enum __ns_rcode {
239  ns_r_noerror = 0, /* No error occurred. */
240  ns_r_formerr = 1, /* Format error. */
241  ns_r_servfail = 2, /* Server failure. */
242  ns_r_nxdomain = 3, /* Name error. */
243  ns_r_notimpl = 4, /* Unimplemented. */
244  ns_r_refused = 5, /* Operation refused. */
245  /* these are for BIND_UPDATE */
246  ns_r_yxdomain = 6, /* Name exists */
247  ns_r_yxrrset = 7, /* RRset exists */
248  ns_r_nxrrset = 8, /* RRset does not exist */
249  ns_r_notauth = 9, /* Not authoritative for zone */
250  ns_r_notzone = 10, /* Zone of record different from zone section */
251  ns_r_max = 11,
252  /* The following are EDNS extended rcodes */
254  /* The following are TSIG errors */
257  ns_r_badtime = 18
259 
260 /* BIND_UPDATE */
261 typedef enum __ns_update_operation {
264  ns_uop_max = 2
266 
267 /*
268  * This structure is used for TSIG authenticated messages
269  */
270 struct ns_tsig_key {
272  unsigned char *data;
273  int len;
274 };
275 typedef struct ns_tsig_key ns_tsig_key;
276 
277 /*
278  * This structure is used for TSIG authenticated TCP messages
279  */
281  int counter;
282  struct dst_key *key;
283  void *ctx;
284  unsigned char sig[NS_PACKETSZ];
285  int siglen;
286 };
287 typedef struct ns_tcp_tsig_state ns_tcp_tsig_state;
288 
289 #define NS_TSIG_FUDGE 300
290 #define NS_TSIG_TCP_COUNT 100
291 #define NS_TSIG_ALG_HMAC_MD5 "HMAC-MD5.SIG-ALG.REG.INT"
292 
293 #define NS_TSIG_ERROR_NO_TSIG -10
294 #define NS_TSIG_ERROR_NO_SPACE -11
295 #define NS_TSIG_ERROR_FORMERR -12
296 
297 /*
298  * Currently defined type values for resources and queries.
299  */
300 typedef enum __ns_type {
301  ns_t_invalid = 0, /* Cookie. */
302  ns_t_a = 1, /* Host address. */
303  ns_t_ns = 2, /* Authoritative server. */
304  ns_t_md = 3, /* Mail destination. */
305  ns_t_mf = 4, /* Mail forwarder. */
306  ns_t_cname = 5, /* Canonical name. */
307  ns_t_soa = 6, /* Start of authority zone. */
308  ns_t_mb = 7, /* Mailbox domain name. */
309  ns_t_mg = 8, /* Mail group member. */
310  ns_t_mr = 9, /* Mail rename name. */
311  ns_t_null = 10, /* Null resource record. */
312  ns_t_wks = 11, /* Well known service. */
313  ns_t_ptr = 12, /* Domain name pointer. */
314  ns_t_hinfo = 13, /* Host information. */
315  ns_t_minfo = 14, /* Mailbox information. */
316  ns_t_mx = 15, /* Mail routing information. */
317  ns_t_txt = 16, /* Text strings. */
318  ns_t_rp = 17, /* Responsible person. */
319  ns_t_afsdb = 18, /* AFS cell database. */
320  ns_t_x25 = 19, /* X_25 calling address. */
321  ns_t_isdn = 20, /* ISDN calling address. */
322  ns_t_rt = 21, /* Router. */
323  ns_t_nsap = 22, /* NSAP address. */
324  ns_t_nsap_ptr = 23, /* Reverse NSAP lookup (deprecated). */
325  ns_t_sig = 24, /* Security signature. */
326  ns_t_key = 25, /* Security key. */
327  ns_t_px = 26, /* X.400 mail mapping. */
328  ns_t_gpos = 27, /* Geographical position (withdrawn). */
329  ns_t_aaaa = 28, /* Ip6 Address. */
330  ns_t_loc = 29, /* Location Information. */
331  ns_t_nxt = 30, /* Next domain (security). */
332  ns_t_eid = 31, /* Endpoint identifier. */
333  ns_t_nimloc = 32, /* Nimrod Locator. */
334  ns_t_srv = 33, /* Server Selection. */
335  ns_t_atma = 34, /* ATM Address */
336  ns_t_naptr = 35, /* Naming Authority PoinTeR */
337  ns_t_kx = 36, /* Key Exchange */
338  ns_t_cert = 37, /* Certification record */
339  ns_t_a6 = 38, /* IPv6 address (deprecates AAAA) */
340  ns_t_dname = 39, /* Non-terminal DNAME (for IPv6) */
341  ns_t_sink = 40, /* Kitchen sink (experimentatl) */
342  ns_t_opt = 41, /* EDNS0 option (meta-RR) */
343  ns_t_apl = 42, /* Address prefix list (RFC 3123) */
344  ns_t_tkey = 249, /* Transaction key */
345  ns_t_tsig = 250, /* Transaction signature. */
346  ns_t_ixfr = 251, /* Incremental zone transfer. */
347  ns_t_axfr = 252, /* Transfer zone of authority. */
348  ns_t_mailb = 253, /* Transfer mailbox records. */
349  ns_t_maila = 254, /* Transfer mail agent records. */
350  ns_t_any = 255, /* Wildcard match. */
351  ns_t_zxfr = 256, /* BIND-specific, nonstandard. */
352  ns_t_max = 65536
354 
355 /* Exclusively a QTYPE? (not also an RTYPE) */
356 #define ns_t_qt_p(t) (ns_t_xfr_p(t) || (t) == ns_t_any || \
357  (t) == ns_t_mailb || (t) == ns_t_maila)
358 /* Some kind of meta-RR? (not a QTYPE, but also not an RTYPE) */
359 #define ns_t_mrr_p(t) ((t) == ns_t_tsig || (t) == ns_t_opt)
360 /* Exclusively an RTYPE? (not also a QTYPE or a meta-RR) */
361 #define ns_t_rr_p(t) (!ns_t_qt_p(t) && !ns_t_mrr_p(t))
362 #define ns_t_udp_p(t) ((t) != ns_t_axfr && (t) != ns_t_zxfr)
363 #define ns_t_xfr_p(t) ((t) == ns_t_axfr || (t) == ns_t_ixfr || \
364  (t) == ns_t_zxfr)
365 
366 /*
367  * Values for class field
368  */
369 typedef enum __ns_class {
370  ns_c_invalid = 0, /* Cookie. */
371  ns_c_in = 1, /* Internet. */
372  ns_c_2 = 2, /* unallocated/unsupported. */
373  ns_c_chaos = 3, /* MIT Chaos-net. */
374  ns_c_hs = 4, /* MIT Hesiod. */
375  /* Query class values which do not appear in resource records */
376  ns_c_none = 254, /* for prereq. sections in update requests */
377  ns_c_any = 255, /* Wildcard match. */
378  ns_c_max = 65536
380 
381 /* DNSSEC constants. */
382 
383 typedef enum __ns_key_types {
384  ns_kt_rsa = 1, /* key type RSA/MD5 */
385  ns_kt_dh = 2, /* Diffie Hellman */
386  ns_kt_dsa = 3, /* Digital Signature Standard (MANDATORY) */
387  ns_kt_private = 254 /* Private key type starts with OID */
389 
390 typedef enum __ns_cert_types {
391  cert_t_pkix = 1, /* PKIX (X.509v3) */
392  cert_t_spki = 2, /* SPKI */
393  cert_t_pgp = 3, /* PGP */
394  cert_t_url = 253, /* URL private type */
395  cert_t_oid = 254 /* OID private type */
397 
398 /* Flags field of the KEY RR rdata. */
399 #define NS_KEY_TYPEMASK 0xC000 /* Mask for "type" bits */
400 #define NS_KEY_TYPE_AUTH_CONF 0x0000 /* Key usable for both */
401 #define NS_KEY_TYPE_CONF_ONLY 0x8000 /* Key usable for confidentiality */
402 #define NS_KEY_TYPE_AUTH_ONLY 0x4000 /* Key usable for authentication */
403 #define NS_KEY_TYPE_NO_KEY 0xC000 /* No key usable for either; no key */
404 /* The type bits can also be interpreted independently, as single bits: */
405 #define NS_KEY_NO_AUTH 0x8000 /* Key unusable for authentication */
406 #define NS_KEY_NO_CONF 0x4000 /* Key unusable for confidentiality */
407 #define NS_KEY_RESERVED2 0x2000 /* Security is *mandatory* if bit=0 */
408 #define NS_KEY_EXTENDED_FLAGS 0x1000 /* reserved - must be zero */
409 #define NS_KEY_RESERVED4 0x0800 /* reserved - must be zero */
410 #define NS_KEY_RESERVED5 0x0400 /* reserved - must be zero */
411 #define NS_KEY_NAME_TYPE 0x0300 /* these bits determine the type */
412 #define NS_KEY_NAME_USER 0x0000 /* key is assoc. with user */
413 #define NS_KEY_NAME_ENTITY 0x0200 /* key is assoc. with entity eg host */
414 #define NS_KEY_NAME_ZONE 0x0100 /* key is zone key */
415 #define NS_KEY_NAME_RESERVED 0x0300 /* reserved meaning */
416 #define NS_KEY_RESERVED8 0x0080 /* reserved - must be zero */
417 #define NS_KEY_RESERVED9 0x0040 /* reserved - must be zero */
418 #define NS_KEY_RESERVED10 0x0020 /* reserved - must be zero */
419 #define NS_KEY_RESERVED11 0x0010 /* reserved - must be zero */
420 #define NS_KEY_SIGNATORYMASK 0x000F /* key can sign RR's of same name */
421 #define NS_KEY_RESERVED_BITMASK ( NS_KEY_RESERVED2 | \
422  NS_KEY_RESERVED4 | \
423  NS_KEY_RESERVED5 | \
424  NS_KEY_RESERVED8 | \
425  NS_KEY_RESERVED9 | \
426  NS_KEY_RESERVED10 | \
427  NS_KEY_RESERVED11 )
428 #define NS_KEY_RESERVED_BITMASK2 0xFFFF /* no bits defined here */
429 
430 /* The Algorithm field of the KEY and SIG RR's is an integer, {1..254} */
431 #define NS_ALG_MD5RSA 1 /* MD5 with RSA */
432 #define NS_ALG_DH 2 /* Diffie Hellman KEY */
433 #define NS_ALG_DSA 3 /* DSA KEY */
434 #define NS_ALG_DSS NS_ALG_DSA
435 #define NS_ALG_EXPIRE_ONLY 253 /* No alg, no security */
436 #define NS_ALG_PRIVATE_OID 254 /* Key begins with OID giving alg */
437 
438 /* Protocol values */
439 /* value 0 is reserved */
440 #define NS_KEY_PROT_TLS 1
441 #define NS_KEY_PROT_EMAIL 2
442 #define NS_KEY_PROT_DNSSEC 3
443 #define NS_KEY_PROT_IPSEC 4
444 #define NS_KEY_PROT_ANY 255
445 
446 /* Signatures */
447 #define NS_MD5RSA_MIN_BITS 512 /* Size of a mod or exp in bits */
448 #define NS_MD5RSA_MAX_BITS 4096
449  /* Total of binary mod and exp */
450 #define NS_MD5RSA_MAX_BYTES ((NS_MD5RSA_MAX_BITS+7/8)*2+3)
451  /* Max length of text sig block */
452 #define NS_MD5RSA_MAX_BASE64 (((NS_MD5RSA_MAX_BYTES+2)/3)*4)
453 #define NS_MD5RSA_MIN_SIZE ((NS_MD5RSA_MIN_BITS+7)/8)
454 #define NS_MD5RSA_MAX_SIZE ((NS_MD5RSA_MAX_BITS+7)/8)
455 
456 #define NS_DSA_SIG_SIZE 41
457 #define NS_DSA_MIN_SIZE 213
458 #define NS_DSA_MAX_BYTES 405
459 
460 /* Offsets into SIG record rdata to find various values */
461 #define NS_SIG_TYPE 0 /* Type flags */
462 #define NS_SIG_ALG 2 /* Algorithm */
463 #define NS_SIG_LABELS 3 /* How many labels in name */
464 #define NS_SIG_OTTL 4 /* Original TTL */
465 #define NS_SIG_EXPIR 8 /* Expiration time */
466 #define NS_SIG_SIGNED 12 /* Signature time */
467 #define NS_SIG_FOOT 16 /* Key footprint */
468 #define NS_SIG_SIGNER 18 /* Domain name of who signed it */
469 
470 /* How RR types are represented as bit-flags in NXT records */
471 #define NS_NXT_BITS 8
472 #define NS_NXT_BIT_SET( n,p) (p[(n)/NS_NXT_BITS] |= (0x80>>((n)%NS_NXT_BITS)))
473 #define NS_NXT_BIT_CLEAR(n,p) (p[(n)/NS_NXT_BITS] &= ~(0x80>>((n)%NS_NXT_BITS)))
474 #define NS_NXT_BIT_ISSET(n,p) (p[(n)/NS_NXT_BITS] & (0x80>>((n)%NS_NXT_BITS)))
475 #define NS_NXT_MAX 127
476 
477 /*
478  * EDNS0 extended flags, host order.
479  */
480 #define NS_OPT_DNSSEC_OK 0x8000U
481 
482 /*
483  * Inline versions of get/put short/long. Pointer is advanced.
484  */
485 #define NS_GET16(s, cp) do { \
486  register const u_char *t_cp = (const u_char *)(cp); \
487  (s) = ((u_int16_t)t_cp[0] << 8) \
488  | ((u_int16_t)t_cp[1]) \
489  ; \
490  (cp) += NS_INT16SZ; \
491 } while (0)
492 
493 #define NS_GET32(l, cp) do { \
494  register const u_char *t_cp = (const u_char *)(cp); \
495  (l) = ((u_int32_t)t_cp[0] << 24) \
496  | ((u_int32_t)t_cp[1] << 16) \
497  | ((u_int32_t)t_cp[2] << 8) \
498  | ((u_int32_t)t_cp[3]) \
499  ; \
500  (cp) += NS_INT32SZ; \
501 } while (0)
502 
503 #define NS_PUT16(s, cp) do { \
504  register u_int16_t t_s = (u_int16_t)(s); \
505  register u_char *t_cp = (u_char *)(cp); \
506  *t_cp++ = t_s >> 8; \
507  *t_cp = t_s; \
508  (cp) += NS_INT16SZ; \
509 } while (0)
510 
511 #define NS_PUT32(l, cp) do { \
512  register u_int32_t t_l = (u_int32_t)(l); \
513  register u_char *t_cp = (u_char *)(cp); \
514  *t_cp++ = t_l >> 24; \
515  *t_cp++ = t_l >> 16; \
516  *t_cp++ = t_l >> 8; \
517  *t_cp = t_l; \
518  (cp) += NS_INT32SZ; \
519 } while (0)
520 
521 /*
522  * ANSI C identifier hiding for bind's lib/nameser.
523  */
524 #define ns_msg_getflag __ns_msg_getflag
525 #define ns_get16 __ns_get16
526 #define ns_get32 __ns_get32
527 #define ns_put16 __ns_put16
528 #define ns_put32 __ns_put32
529 #define ns_initparse __ns_initparse
530 #define ns_skiprr __ns_skiprr
531 #define ns_parserr __ns_parserr
532 #define ns_sprintrr __ns_sprintrr
533 #define ns_sprintrrf __ns_sprintrrf
534 #define ns_format_ttl __ns_format_ttl
535 #define ns_parse_ttl __ns_parse_ttl
536 #define ns_datetosecs __ns_datetosecs
537 #define ns_name_ntol __ns_name_ntol
538 #define ns_name_ntop __ns_name_ntop
539 #define ns_name_pton __ns_name_pton
540 #define ns_name_unpack __ns_name_unpack
541 #define ns_name_pack __ns_name_pack
542 #define ns_name_compress __ns_name_compress
543 #define ns_name_uncompress __ns_name_uncompress
544 #define ns_name_skip __ns_name_skip
545 #define ns_name_rollback __ns_name_rollback
546 #define ns_sign __ns_sign
547 #define ns_sign2 __ns_sign2
548 #define ns_sign_tcp __ns_sign_tcp
549 #define ns_sign_tcp2 __ns_sign_tcp2
550 #define ns_sign_tcp_init __ns_sign_tcp_init
551 #define ns_find_tsig __ns_find_tsig
552 #define ns_verify __ns_verify
553 #define ns_verify_tcp __ns_verify_tcp
554 #define ns_verify_tcp_init __ns_verify_tcp_init
555 #define ns_samedomain __ns_samedomain
556 #define ns_subdomain __ns_subdomain
557 #define ns_makecanon __ns_makecanon
558 #define ns_samename __ns_samename
559 
560 
562 u_int ns_get16 __P((const u_char *));
563 u_long ns_get32 __P((const u_char *));
564 void ns_put16 __P((u_int, u_char *));
565 void ns_put32 __P((u_long, u_char *));
566 int ns_initparse __P((const u_char *, int, ns_msg *));
567 int ns_skiprr __P((const u_char *, const u_char *, ns_sect, int));
568 int ns_parserr __P((ns_msg *, ns_sect, int, ns_rr *));
569 int ns_sprintrr __P((const ns_msg *, const ns_rr *,
570  const char *, const char *, char *, size_t));
571 int ns_sprintrrf __P((const u_char *, size_t, const char *,
572  ns_class, ns_type, u_long, const u_char *,
573  size_t, const char *, const char *,
574  char *, size_t));
575 int ns_format_ttl __P((u_long, char *, size_t));
576 int ns_parse_ttl __P((const char *, u_long *));
577 u_int32_t ns_datetosecs __P((const char *cp, int *errp));
578 int ns_name_ntol __P((const u_char *, u_char *, size_t));
579 int ns_name_ntop __P((const u_char *, char *, size_t));
580 int ns_name_pton __P((const char *, u_char *, size_t));
581 int ns_name_unpack __P((const u_char *, const u_char *,
582  const u_char *, u_char *, size_t));
583 int ns_name_pack __P((const u_char *, u_char *, int,
584  const u_char **, const u_char **));
585 int ns_name_uncompress __P((const u_char *, const u_char *,
586  const u_char *, char *, size_t));
587 int ns_name_compress __P((const char *, u_char *, size_t,
588  const u_char **, const u_char **));
589 int ns_name_skip __P((const u_char **, const u_char *));
590 void ns_name_rollback __P((const u_char *, const u_char **,
591  const u_char **));
592 int ns_sign __P((u_char *, int *, int, int, void *,
593  const u_char *, int, u_char *, int *, time_t));
594 int ns_sign2 __P((u_char *, int *, int, int, void *,
595  const u_char *, int, u_char *, int *, time_t,
596  u_char **, u_char **));
597 int ns_sign_tcp __P((u_char *, int *, int, int,
598  ns_tcp_tsig_state *, int));
599 int ns_sign_tcp2 __P((u_char *, int *, int, int,
600  ns_tcp_tsig_state *, int,
601  u_char **, u_char **));
602 int ns_sign_tcp_init __P((void *, const u_char *, int,
603  ns_tcp_tsig_state *));
604 u_char *ns_find_tsig __P((u_char *, u_char *));
605 int ns_verify __P((u_char *, int *, void *,
606  const u_char *, int, u_char *, int *,
607  time_t *, int));
608 int ns_verify_tcp __P((u_char *, int *, ns_tcp_tsig_state *, int));
609 int ns_verify_tcp_init __P((void *, const u_char *, int,
610  ns_tcp_tsig_state *));
611 int ns_samedomain __P((const char *, const char *));
612 int ns_subdomain __P((const char *, const char *));
613 int ns_makecanon __P((const char *, char *, size_t));
614 int ns_samename __P((const char *, const char *));
615 
616 
617 #endif /* !REPLACE_ARPA_NAMESER_H_ */
ns_initparse
#define ns_initparse
Definition: arpa_nameser.h:529
ns_name_skip
#define ns_name_skip
Definition: arpa_nameser.h:544
_ns_flagdata
Definition: arpa_nameser.h:172
ns_sign
#define ns_sign
Definition: arpa_nameser.h:546
ns_f_rd
@ ns_f_rd
Definition: arpa_nameser.h:213
_ns_flagdata::mask
int mask
Definition: arpa_nameser.h:172
ns_cert_types
ns_cert_types
Definition: arpa_nameser.h:390
cert_t_spki
@ cert_t_spki
Definition: arpa_nameser.h:392
ns_r_badtime
@ ns_r_badtime
Definition: arpa_nameser.h:257
ns_r_nxdomain
@ ns_r_nxdomain
Definition: arpa_nameser.h:242
ns_f_opcode
@ ns_f_opcode
Definition: arpa_nameser.h:210
ns_type
ns_type
Definition: arpa_nameser.h:300
ns_opcode
ns_opcode
Definition: arpa_nameser.h:225
ns_msg::_msg_ptr
const u_char * _msg_ptr
Definition: arpa_nameser.h:168
ns_tcp_tsig_state::siglen
int siglen
Definition: arpa_nameser.h:285
ns_t_nxt
@ ns_t_nxt
Definition: arpa_nameser.h:331
ns_samedomain
#define ns_samedomain
Definition: arpa_nameser.h:555
ns_t_aaaa
@ ns_t_aaaa
Definition: arpa_nameser.h:329
ns_msg::_sect
ns_sect _sect
Definition: arpa_nameser.h:166
ns_tsig_key
Definition: arpa_nameser.h:270
ns_kt_dsa
@ ns_kt_dsa
Definition: arpa_nameser.h:386
ns_t_apl
@ ns_t_apl
Definition: arpa_nameser.h:343
ns_msg
Definition: arpa_nameser.h:162
ns_s_pr
@ ns_s_pr
Definition: arpa_nameser.h:150
ns_verify_tcp_init
#define ns_verify_tcp_init
Definition: arpa_nameser.h:554
ns_put32
#define ns_put32
Definition: arpa_nameser.h:528
ns_put16
#define ns_put16
Definition: arpa_nameser.h:527
ns_t_zxfr
@ ns_t_zxfr
Definition: arpa_nameser.h:351
ns_rr::rr_class
u_int16_t rr_class
Definition: arpa_nameser.h:189
ns_msg::_id
u_int16_t _id
Definition: arpa_nameser.h:164
ns_t_any
@ ns_t_any
Definition: arpa_nameser.h:350
ns_t_mailb
@ ns_t_mailb
Definition: arpa_nameser.h:348
ns_f_ra
@ ns_f_ra
Definition: arpa_nameser.h:214
ns_t_nsap
@ ns_t_nsap
Definition: arpa_nameser.h:323
ns_t_loc
@ ns_t_loc
Definition: arpa_nameser.h:330
ns_f_qr
@ ns_f_qr
Definition: arpa_nameser.h:209
ns_t_txt
@ ns_t_txt
Definition: arpa_nameser.h:317
ns_s_ar
@ ns_s_ar
Definition: arpa_nameser.h:153
ns_r_badkey
@ ns_r_badkey
Definition: arpa_nameser.h:256
ns_t_axfr
@ ns_t_axfr
Definition: arpa_nameser.h:347
ns_t_minfo
@ ns_t_minfo
Definition: arpa_nameser.h:315
ns_t_eid
@ ns_t_eid
Definition: arpa_nameser.h:332
ns_t_invalid
@ ns_t_invalid
Definition: arpa_nameser.h:301
ns_t_mg
@ ns_t_mg
Definition: arpa_nameser.h:309
_ns_flagdata::shift
int shift
Definition: arpa_nameser.h:172
ns_t_gpos
@ ns_t_gpos
Definition: arpa_nameser.h:328
cert_t_url
@ cert_t_url
Definition: arpa_nameser.h:394
ns_c_hs
@ ns_c_hs
Definition: arpa_nameser.h:374
ns_r_servfail
@ ns_r_servfail
Definition: arpa_nameser.h:241
ns_sprintrrf
#define ns_sprintrrf
Definition: arpa_nameser.h:533
ns_r_badvers
@ ns_r_badvers
Definition: arpa_nameser.h:253
ns_uop_add
@ ns_uop_add
Definition: arpa_nameser.h:263
__P
#define __P(x)
Definition: arpa_nameser.h:59
ns_name_ntop
#define ns_name_ntop
Definition: arpa_nameser.h:538
ns_verify
#define ns_verify
Definition: arpa_nameser.h:552
ns_t_mb
@ ns_t_mb
Definition: arpa_nameser.h:308
ns_t_atma
@ ns_t_atma
Definition: arpa_nameser.h:335
ns_t_ptr
@ ns_t_ptr
Definition: arpa_nameser.h:313
ns_kt_rsa
@ ns_kt_rsa
Definition: arpa_nameser.h:384
ns_tcp_tsig_state::sig
unsigned char sig[NS_PACKETSZ]
Definition: arpa_nameser.h:284
ns_t_dname
@ ns_t_dname
Definition: arpa_nameser.h:340
ns_t_a6
@ ns_t_a6
Definition: arpa_nameser.h:339
ns_t_isdn
@ ns_t_isdn
Definition: arpa_nameser.h:321
ns_r_notimpl
@ ns_r_notimpl
Definition: arpa_nameser.h:243
ns_t_opt
@ ns_t_opt
Definition: arpa_nameser.h:342
ns_r_yxrrset
@ ns_r_yxrrset
Definition: arpa_nameser.h:247
ns_r_formerr
@ ns_r_formerr
Definition: arpa_nameser.h:240
ns_kt_dh
@ ns_kt_dh
Definition: arpa_nameser.h:385
ns_name_uncompress
#define ns_name_uncompress
Definition: arpa_nameser.h:543
ns_t_md
@ ns_t_md
Definition: arpa_nameser.h:304
ns_format_ttl
#define ns_format_ttl
Definition: arpa_nameser.h:534
ns_t_naptr
@ ns_t_naptr
Definition: arpa_nameser.h:336
ns_tsig_key::data
unsigned char * data
Definition: arpa_nameser.h:272
ns_sign_tcp
#define ns_sign_tcp
Definition: arpa_nameser.h:548
ns_f_rcode
@ ns_f_rcode
Definition: arpa_nameser.h:218
ns_o_status
@ ns_o_status
Definition: arpa_nameser.h:228
ns_tcp_tsig_state::counter
int counter
Definition: arpa_nameser.h:281
ns_class
ns_class
Definition: arpa_nameser.h:369
dn_skipname
#define dn_skipname
Definition: arpa_nameser.h:67
u_int8_t
unsigned char u_int8_t
Definition: arpa_nameser.h:83
ns_rr::ttl
u_int32_t ttl
Definition: arpa_nameser.h:190
ns_c_max
@ ns_c_max
Definition: arpa_nameser.h:378
ns_c_2
@ ns_c_2
Definition: arpa_nameser.h:372
ns_s_max
@ ns_s_max
Definition: arpa_nameser.h:154
ns_subdomain
#define ns_subdomain
Definition: arpa_nameser.h:556
cert_t_pkix
@ cert_t_pkix
Definition: arpa_nameser.h:391
ns_parserr
#define ns_parserr
Definition: arpa_nameser.h:531
ns_name_pton
#define ns_name_pton
Definition: arpa_nameser.h:539
ns_t_null
@ ns_t_null
Definition: arpa_nameser.h:311
ns_name_compress
#define ns_name_compress
Definition: arpa_nameser.h:542
ns_update_operation
ns_update_operation
Definition: arpa_nameser.h:261
ns_t_sig
@ ns_t_sig
Definition: arpa_nameser.h:325
ns_find_tsig
#define ns_find_tsig
Definition: arpa_nameser.h:551
ns_makecanon
#define ns_makecanon
Definition: arpa_nameser.h:557
ns_r_notzone
@ ns_r_notzone
Definition: arpa_nameser.h:250
ns_t_tkey
@ ns_t_tkey
Definition: arpa_nameser.h:344
u_int32_t
unsigned int u_int32_t
Definition: spf_sys_config.h:72
ns_t_wks
@ ns_t_wks
Definition: arpa_nameser.h:312
ns_key_types
ns_key_types
Definition: arpa_nameser.h:383
ns_sect
ns_sect
Definition: arpa_nameser.h:146
ns_name_unpack
#define ns_name_unpack
Definition: arpa_nameser.h:540
ns_t_nsap_ptr
@ ns_t_nsap_ptr
Definition: arpa_nameser.h:324
ns_o_query
@ ns_o_query
Definition: arpa_nameser.h:226
ns_verify_tcp
#define ns_verify_tcp
Definition: arpa_nameser.h:553
ns_o_update
@ ns_o_update
Definition: arpa_nameser.h:231
ns_t_hinfo
@ ns_t_hinfo
Definition: arpa_nameser.h:314
ns_name_ntol
#define ns_name_ntol
Definition: arpa_nameser.h:537
ns_get16
#define ns_get16
Definition: arpa_nameser.h:525
ns_r_nxrrset
@ ns_r_nxrrset
Definition: arpa_nameser.h:248
ns_sign_tcp2
#define ns_sign_tcp2
Definition: arpa_nameser.h:549
ns_t_mf
@ ns_t_mf
Definition: arpa_nameser.h:305
ns_s_qd
@ ns_s_qd
Definition: arpa_nameser.h:147
ns_samename
#define ns_samename
Definition: arpa_nameser.h:558
ns_t_ixfr
@ ns_t_ixfr
Definition: arpa_nameser.h:346
ns_t_sink
@ ns_t_sink
Definition: arpa_nameser.h:341
ns_t_kx
@ ns_t_kx
Definition: arpa_nameser.h:337
ns_f_max
@ ns_f_max
Definition: arpa_nameser.h:219
ns_rr::type
u_int16_t type
Definition: arpa_nameser.h:188
ns_c_any
@ ns_c_any
Definition: arpa_nameser.h:377
ns_msg::_msg
const u_char * _msg
Definition: arpa_nameser.h:163
ns_c_invalid
@ ns_c_invalid
Definition: arpa_nameser.h:370
ns_t_cname
@ ns_t_cname
Definition: arpa_nameser.h:306
ns_t_soa
@ ns_t_soa
Definition: arpa_nameser.h:307
ns_s_zn
@ ns_s_zn
Definition: arpa_nameser.h:148
ns_c_chaos
@ ns_c_chaos
Definition: arpa_nameser.h:373
ns_datetosecs
#define ns_datetosecs
Definition: arpa_nameser.h:536
ns_tcp_tsig_state
Definition: arpa_nameser.h:280
ns_sign2
#define ns_sign2
Definition: arpa_nameser.h:547
ns_t_mx
@ ns_t_mx
Definition: arpa_nameser.h:316
ns_msg::_rrnum
int _rrnum
Definition: arpa_nameser.h:167
ns_o_max
@ ns_o_max
Definition: arpa_nameser.h:232
ns_t_tsig
@ ns_t_tsig
Definition: arpa_nameser.h:345
ns_tsig_key::len
int len
Definition: arpa_nameser.h:273
ns_flag
ns_flag
Definition: arpa_nameser.h:208
u_int16_t
unsigned short u_int16_t
Definition: arpa_nameser.h:91
ns_t_key
@ ns_t_key
Definition: arpa_nameser.h:326
ns_t_x25
@ ns_t_x25
Definition: arpa_nameser.h:320
ns_name_rollback
#define ns_name_rollback
Definition: arpa_nameser.h:545
ns_t_maila
@ ns_t_maila
Definition: arpa_nameser.h:349
ns_t_afsdb
@ ns_t_afsdb
Definition: arpa_nameser.h:319
ns_name_pack
#define ns_name_pack
Definition: arpa_nameser.h:541
ns_t_rt
@ ns_t_rt
Definition: arpa_nameser.h:322
ns_f_cd
@ ns_f_cd
Definition: arpa_nameser.h:217
ns_rr
Definition: arpa_nameser.h:186
ns_t_nimloc
@ ns_t_nimloc
Definition: arpa_nameser.h:333
ns_r_refused
@ ns_r_refused
Definition: arpa_nameser.h:244
ns_s_ns
@ ns_s_ns
Definition: arpa_nameser.h:151
NS_MAXDNAME
#define NS_MAXDNAME
Definition: arpa_nameser.h:127
ns_tcp_tsig_state::key
struct dst_key * key
Definition: arpa_nameser.h:282
ns_f_ad
@ ns_f_ad
Definition: arpa_nameser.h:216
u_int32_t
unsigned int u_int32_t
Definition: arpa_nameser.h:99
ns_t_cert
@ ns_t_cert
Definition: arpa_nameser.h:338
ns_tsig_key::name
char name[NS_MAXDNAME]
Definition: arpa_nameser.h:271
ns_t_mr
@ ns_t_mr
Definition: arpa_nameser.h:310
ns_sign_tcp_init
#define ns_sign_tcp_init
Definition: arpa_nameser.h:550
ns_t_max
@ ns_t_max
Definition: arpa_nameser.h:352
ns_t_ns
@ ns_t_ns
Definition: arpa_nameser.h:303
ns_s_ud
@ ns_s_ud
Definition: arpa_nameser.h:152
ns_tsig_key::alg
char alg[NS_MAXDNAME]
Definition: arpa_nameser.h:271
ns_parse_ttl
#define ns_parse_ttl
Definition: arpa_nameser.h:535
ns_r_max
@ ns_r_max
Definition: arpa_nameser.h:251
ns_o_notify
@ ns_o_notify
Definition: arpa_nameser.h:230
ns_r_noerror
@ ns_r_noerror
Definition: arpa_nameser.h:239
ns_s_an
@ ns_s_an
Definition: arpa_nameser.h:149
ns_f_aa
@ ns_f_aa
Definition: arpa_nameser.h:211
ns_f_tc
@ ns_f_tc
Definition: arpa_nameser.h:212
ns_skiprr
#define ns_skiprr
Definition: arpa_nameser.h:530
u_int16_t
unsigned short u_int16_t
Definition: spf_sys_config.h:64
ns_get32
#define ns_get32
Definition: arpa_nameser.h:526
ns_t_px
@ ns_t_px
Definition: arpa_nameser.h:327
ns_rcode
ns_rcode
Definition: arpa_nameser.h:238
ns_uop_max
@ ns_uop_max
Definition: arpa_nameser.h:264
ns_rr::rdlength
u_int16_t rdlength
Definition: arpa_nameser.h:191
ns_t_srv
@ ns_t_srv
Definition: arpa_nameser.h:334
ns_t_rp
@ ns_t_rp
Definition: arpa_nameser.h:318
ns_msg_getflag
#define ns_msg_getflag
Definition: arpa_nameser.h:524
ns_f_z
@ ns_f_z
Definition: arpa_nameser.h:215
ns_r_yxdomain
@ ns_r_yxdomain
Definition: arpa_nameser.h:246
ns_r_notauth
@ ns_r_notauth
Definition: arpa_nameser.h:249
NS_PACKETSZ
#define NS_PACKETSZ
Definition: arpa_nameser.h:126
ns_rr::rdata
const u_char * rdata
Definition: arpa_nameser.h:192
ns_r_badsig
@ ns_r_badsig
Definition: arpa_nameser.h:255
ns_o_iquery
@ ns_o_iquery
Definition: arpa_nameser.h:227
ns_c_none
@ ns_c_none
Definition: arpa_nameser.h:376
ns_kt_private
@ ns_kt_private
Definition: arpa_nameser.h:387
cert_t_pgp
@ cert_t_pgp
Definition: arpa_nameser.h:393
cert_t_oid
@ cert_t_oid
Definition: arpa_nameser.h:395
ns_c_in
@ ns_c_in
Definition: arpa_nameser.h:371
ns_t_a
@ ns_t_a
Definition: arpa_nameser.h:302
ns_sprintrr
#define ns_sprintrr
Definition: arpa_nameser.h:532
ns_uop_delete
@ ns_uop_delete
Definition: arpa_nameser.h:262
ns_tcp_tsig_state::ctx
void * ctx
Definition: arpa_nameser.h:283