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2aa62f2b | 1 | /* $NetBSD: nameser.h,v 1.19.4.1 2007/05/17 21:25:12 jdc Exp $ */\r |
2 | \r | |
3 | /*\r | |
4 | * Copyright (c) 1983, 1989, 1993\r | |
5 | * The Regents of the University of California. All rights reserved.\r | |
6 | *\r | |
7 | * Redistribution and use in source and binary forms, with or without\r | |
8 | * modification, are permitted provided that the following conditions\r | |
9 | * are met:\r | |
10 | * 1. Redistributions of source code must retain the above copyright\r | |
11 | * notice, this list of conditions and the following disclaimer.\r | |
12 | * 2. Redistributions in binary form must reproduce the above copyright\r | |
13 | * notice, this list of conditions and the following disclaimer in the\r | |
14 | * documentation and/or other materials provided with the distribution.\r | |
15 | * 3. Neither the name of the University nor the names of its contributors\r | |
16 | * may be used to endorse or promote products derived from this software\r | |
17 | * without specific prior written permission.\r | |
18 | *\r | |
19 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND\r | |
20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r | |
21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r | |
22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE\r | |
23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\r | |
24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS\r | |
25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r | |
26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT\r | |
27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY\r | |
28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF\r | |
29 | * SUCH DAMAGE.\r | |
30 | */\r | |
31 | \r | |
32 | /*\r | |
33 | * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")\r | |
34 | * Copyright (c) 1996-1999 by Internet Software Consortium.\r | |
35 | *\r | |
36 | * Permission to use, copy, modify, and distribute this software for any\r | |
37 | * purpose with or without fee is hereby granted, provided that the above\r | |
38 | * copyright notice and this permission notice appear in all copies.\r | |
39 | *\r | |
40 | * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES\r | |
41 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF\r | |
42 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR\r | |
43 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES\r | |
44 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN\r | |
45 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT\r | |
46 | * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.\r | |
47 | */\r | |
48 | \r | |
49 | /*\r | |
50 | * Id: nameser.h,v 1.7.18.1 2005/04/27 05:00:50 sra Exp\r | |
51 | */\r | |
52 | \r | |
53 | #ifndef _ARPA_NAMESER_H_\r | |
54 | #define _ARPA_NAMESER_H_\r | |
55 | \r | |
56 | #define BIND_4_COMPAT\r | |
57 | \r | |
58 | #include <sys/param.h>\r | |
59 | #if (!defined(BSD)) || (BSD < 199306)\r | |
60 | # include <sys/bitypes.h>\r | |
61 | #else\r | |
62 | # include <sys/types.h>\r | |
63 | #endif\r | |
64 | #include <sys/EfiCdefs.h>\r | |
65 | \r | |
66 | /*%\r | |
67 | * Revision information. This is the release date in YYYYMMDD format.\r | |
68 | * It can change every day so the right thing to do with it is use it\r | |
69 | * in preprocessor commands such as "#if (__NAMESER > 19931104)". Do not\r | |
70 | * compare for equality; rather, use it to determine whether your libbind.a\r | |
71 | * contains a new enough lib/nameser/ to support the feature you need.\r | |
72 | */\r | |
73 | \r | |
74 | #define __NAMESER 19991006 /*%< New interface version stamp. */\r | |
75 | \r | |
76 | /*\r | |
77 | * Define constants based on RFC0883, RFC1034, RFC 1035\r | |
78 | */\r | |
79 | #define NS_PACKETSZ 512 /*%< default UDP packet size */\r | |
80 | #define NS_MAXDNAME 1025 /*%< maximum domain name */\r | |
81 | #define NS_MAXMSG 65535 /*%< maximum message size */\r | |
82 | #define NS_MAXCDNAME 255 /*%< maximum compressed domain name */\r | |
83 | #define NS_MAXLABEL 63 /*%< maximum length of domain label */\r | |
84 | #define NS_HFIXEDSZ 12 /*%< #/bytes of fixed data in header */\r | |
85 | #define NS_QFIXEDSZ 4 /*%< #/bytes of fixed data in query */\r | |
86 | #define NS_RRFIXEDSZ 10 /*%< #/bytes of fixed data in r record */\r | |
87 | #define NS_INT32SZ 4 /*%< #/bytes of data in a u_int32_t */\r | |
88 | #define NS_INT16SZ 2 /*%< #/bytes of data in a u_int16_t */\r | |
89 | #define NS_INT8SZ 1 /*%< #/bytes of data in a u_int8_t */\r | |
90 | #define NS_INADDRSZ 4 /*%< IPv4 T_A */\r | |
91 | #define NS_IN6ADDRSZ 16 /*%< IPv6 T_AAAA */\r | |
92 | #define NS_CMPRSFLGS 0xc0 /*%< Flag bits indicating name compression. */\r | |
93 | #define NS_DEFAULTPORT 53 /*%< For both TCP and UDP. */\r | |
94 | \r | |
95 | /*\r | |
96 | * These can be expanded with synonyms, just keep ns_parse.c:ns_parserecord()\r | |
97 | * in synch with it.\r | |
98 | */\r | |
99 | typedef enum __ns_sect {\r | |
100 | ns_s_qd = 0, /*%< Query: Question. */\r | |
101 | ns_s_zn = 0, /*%< Update: Zone. */\r | |
102 | ns_s_an = 1, /*%< Query: Answer. */\r | |
103 | ns_s_pr = 1, /*%< Update: Prerequisites. */\r | |
104 | ns_s_ns = 2, /*%< Query: Name servers. */\r | |
105 | ns_s_ud = 2, /*%< Update: Update. */\r | |
106 | ns_s_ar = 3, /*%< Query|Update: Additional records. */\r | |
107 | ns_s_max = 4\r | |
108 | } ns_sect;\r | |
109 | \r | |
110 | /*%\r | |
111 | * This is a message handle. It is caller allocated and has no dynamic data.\r | |
112 | * This structure is intended to be opaque to all but ns_parse.c, thus the\r | |
113 | * leading _'s on the member names. Use the accessor functions, not the _'s.\r | |
114 | */\r | |
115 | typedef struct __ns_msg {\r | |
116 | const u_char *_msg, *_eom;\r | |
117 | uint16_t _id, _flags, _counts[ns_s_max];\r | |
118 | const u_char *_sections[ns_s_max];\r | |
119 | ns_sect _sect;\r | |
120 | int _rrnum;\r | |
121 | const u_char *_msg_ptr;\r | |
122 | } ns_msg;\r | |
123 | \r | |
124 | /* Private data structure - do not use from outside library. */\r | |
125 | struct _ns_flagdata { int mask, shift; };\r | |
126 | extern struct _ns_flagdata _ns_flagdata[];\r | |
127 | \r | |
128 | /* Accessor macros - this is part of the public interface. */\r | |
d7ce7006 | 129 | #define ns_msg_getflag(handle, flag) ( \\r |
130 | ((handle)._flags & _ns_flagdata[flag].mask) \\r | |
131 | >> _ns_flagdata[flag].shift \\r | |
132 | )\r | |
2aa62f2b | 133 | \r |
134 | #define ns_msg_id(handle) ((handle)._id + 0)\r | |
135 | #define ns_msg_base(handle) ((handle)._msg + 0)\r | |
136 | #define ns_msg_end(handle) ((handle)._eom + 0)\r | |
137 | #define ns_msg_size(handle) ((size_t)((handle)._eom - (handle)._msg))\r | |
138 | #define ns_msg_count(handle, section) ((handle)._counts[section] + 0)\r | |
139 | \r | |
140 | /*%\r | |
141 | * This is a parsed record. It is caller allocated and has no dynamic data.\r | |
142 | */\r | |
143 | typedef struct __ns_rr {\r | |
144 | char name[NS_MAXDNAME];\r | |
145 | uint16_t type;\r | |
146 | uint16_t rr_class;\r | |
147 | uint32_t ttl;\r | |
148 | uint16_t rdlength;\r | |
149 | const u_char * rdata;\r | |
150 | } ns_rr;\r | |
151 | \r | |
152 | /* Accessor macros - this is part of the public interface. */\r | |
153 | #define ns_rr_name(rr) (((rr).name[0] != '\0') ? (rr).name : ".")\r | |
154 | #define ns_rr_type(rr) ((ns_type)((rr).type + 0))\r | |
155 | #define ns_rr_class(rr) ((ns_class)((rr).rr_class + 0))\r | |
156 | #define ns_rr_ttl(rr) ((u_long)(rr).ttl + 0)\r | |
157 | #define ns_rr_rdlen(rr) ((size_t)(rr).rdlength + 0)\r | |
158 | #define ns_rr_rdata(rr) ((rr).rdata + 0)\r | |
159 | \r | |
160 | /*%\r | |
161 | * These don't have to be in the same order as in the packet flags word,\r | |
162 | * and they can even overlap in some cases, but they will need to be kept\r | |
163 | * in synch with ns_parse.c:ns_flagdata[].\r | |
164 | */\r | |
165 | typedef enum __ns_flag {\r | |
166 | ns_f_qr, /*%< Question/Response. */\r | |
167 | ns_f_opcode, /*%< Operation code. */\r | |
168 | ns_f_aa, /*%< Authoritative Answer. */\r | |
169 | ns_f_tc, /*%< Truncation occurred. */\r | |
170 | ns_f_rd, /*%< Recursion Desired. */\r | |
171 | ns_f_ra, /*%< Recursion Available. */\r | |
172 | ns_f_z, /*%< MBZ. */\r | |
173 | ns_f_ad, /*%< Authentic Data (DNSSEC). */\r | |
174 | ns_f_cd, /*%< Checking Disabled (DNSSEC). */\r | |
175 | ns_f_rcode, /*%< Response code. */\r | |
176 | ns_f_max\r | |
177 | } ns_flag;\r | |
178 | \r | |
179 | /*%\r | |
180 | * Currently defined opcodes.\r | |
181 | */\r | |
182 | typedef enum __ns_opcode {\r | |
183 | ns_o_query = 0, /*%< Standard query. */\r | |
184 | ns_o_iquery = 1, /*%< Inverse query (deprecated/unsupported). */\r | |
185 | ns_o_status = 2, /*%< Name server status query (unsupported). */\r | |
186 | /* Opcode 3 is undefined/reserved. */\r | |
187 | ns_o_notify = 4, /*%< Zone change notification. */\r | |
188 | ns_o_update = 5, /*%< Zone update message. */\r | |
189 | ns_o_max = 6\r | |
190 | } ns_opcode;\r | |
191 | \r | |
192 | /*%\r | |
193 | * Currently defined response codes.\r | |
194 | */\r | |
195 | typedef enum __ns_rcode {\r | |
196 | ns_r_noerror = 0, /*%< No error occurred. */\r | |
197 | ns_r_formerr = 1, /*%< Format error. */\r | |
198 | ns_r_servfail = 2, /*%< Server failure. */\r | |
199 | ns_r_nxdomain = 3, /*%< Name error. */\r | |
200 | ns_r_notimpl = 4, /*%< Unimplemented. */\r | |
201 | ns_r_refused = 5, /*%< Operation refused. */\r | |
202 | /* these are for BIND_UPDATE */\r | |
203 | ns_r_yxdomain = 6, /*%< Name exists */\r | |
204 | ns_r_yxrrset = 7, /*%< RRset exists */\r | |
205 | ns_r_nxrrset = 8, /*%< RRset does not exist */\r | |
206 | ns_r_notauth = 9, /*%< Not authoritative for zone */\r | |
207 | ns_r_notzone = 10, /*%< Zone of record different from zone section */\r | |
208 | ns_r_max = 11,\r | |
209 | /* The following are EDNS extended rcodes */\r | |
210 | ns_r_badvers = 16,\r | |
211 | /* The following are TSIG errors */\r | |
212 | ns_r_badsig = 16,\r | |
213 | ns_r_badkey = 17,\r | |
214 | ns_r_badtime = 18\r | |
215 | } ns_rcode;\r | |
216 | \r | |
217 | /* BIND_UPDATE */\r | |
218 | typedef enum __ns_update_operation {\r | |
219 | ns_uop_delete = 0,\r | |
220 | ns_uop_add = 1,\r | |
221 | ns_uop_max = 2\r | |
222 | } ns_update_operation;\r | |
223 | \r | |
d7ce7006 | 224 | /*\r |
225 | * This RR-like structure is particular to UPDATE.\r | |
226 | */\r | |
227 | struct _ns_updrec {\r | |
228 | struct _ns_updrec *r_prev; /* prev record */\r | |
229 | struct _ns_updrec *r_next; /* next record */\r | |
230 | u_int8_t r_section; /* ZONE/PREREQUISITE/UPDATE */\r | |
231 | char * r_dname; /* owner of the RR */\r | |
232 | u_int16_t r_class; /* class number */\r | |
233 | u_int16_t r_type; /* type number */\r | |
234 | u_int32_t r_ttl; /* time to live */\r | |
235 | u_char * r_data; /* rdata fields as text string */\r | |
236 | u_int16_t r_size; /* size of r_data field */\r | |
237 | int r_opcode; /* type of operation */\r | |
238 | /* following fields for private use by the resolver/server routines */\r | |
239 | struct _ns_updrec *r_grpnext; /* next record when grouped */\r | |
240 | struct databuf *r_dp; /* databuf to process */\r | |
241 | struct databuf *r_deldp; /* databuf's deleted/overwritten */\r | |
242 | u_int16_t r_zone; /* zone number on server */\r | |
243 | };\r | |
244 | typedef struct _ns_updrec ns_updrec;\r | |
245 | \r | |
2aa62f2b | 246 | /*%\r |
247 | * This structure is used for TSIG authenticated messages\r | |
248 | */\r | |
249 | struct ns_tsig_key {\r | |
250 | char name[NS_MAXDNAME], alg[NS_MAXDNAME];\r | |
251 | unsigned char *data;\r | |
252 | int len;\r | |
253 | };\r | |
254 | typedef struct ns_tsig_key ns_tsig_key;\r | |
255 | \r | |
256 | /*%\r | |
257 | * This structure is used for TSIG authenticated TCP messages\r | |
258 | */\r | |
259 | struct ns_tcp_tsig_state {\r | |
260 | int counter;\r | |
261 | struct dst_key *key;\r | |
262 | void *ctx;\r | |
263 | unsigned char sig[NS_PACKETSZ];\r | |
264 | int siglen;\r | |
265 | };\r | |
266 | typedef struct ns_tcp_tsig_state ns_tcp_tsig_state;\r | |
267 | \r | |
268 | #define NS_TSIG_FUDGE 300\r | |
269 | #define NS_TSIG_TCP_COUNT 100\r | |
270 | #define NS_TSIG_ALG_HMAC_MD5 "HMAC-MD5.SIG-ALG.REG.INT"\r | |
271 | \r | |
272 | #define NS_TSIG_ERROR_NO_TSIG -10\r | |
273 | #define NS_TSIG_ERROR_NO_SPACE -11\r | |
274 | #define NS_TSIG_ERROR_FORMERR -12\r | |
275 | \r | |
276 | /*%\r | |
277 | * Currently defined type values for resources and queries.\r | |
278 | */\r | |
279 | typedef enum __ns_type {\r | |
280 | ns_t_invalid = 0, /*%< Cookie. */\r | |
281 | ns_t_a = 1, /*%< Host address. */\r | |
282 | ns_t_ns = 2, /*%< Authoritative server. */\r | |
283 | ns_t_md = 3, /*%< Mail destination. */\r | |
284 | ns_t_mf = 4, /*%< Mail forwarder. */\r | |
285 | ns_t_cname = 5, /*%< Canonical name. */\r | |
286 | ns_t_soa = 6, /*%< Start of authority zone. */\r | |
287 | ns_t_mb = 7, /*%< Mailbox domain name. */\r | |
288 | ns_t_mg = 8, /*%< Mail group member. */\r | |
289 | ns_t_mr = 9, /*%< Mail rename name. */\r | |
290 | ns_t_null = 10, /*%< Null resource record. */\r | |
291 | ns_t_wks = 11, /*%< Well known service. */\r | |
292 | ns_t_ptr = 12, /*%< Domain name pointer. */\r | |
293 | ns_t_hinfo = 13, /*%< Host information. */\r | |
294 | ns_t_minfo = 14, /*%< Mailbox information. */\r | |
295 | ns_t_mx = 15, /*%< Mail routing information. */\r | |
296 | ns_t_txt = 16, /*%< Text strings. */\r | |
297 | ns_t_rp = 17, /*%< Responsible person. */\r | |
298 | ns_t_afsdb = 18, /*%< AFS cell database. */\r | |
299 | ns_t_x25 = 19, /*%< X_25 calling address. */\r | |
300 | ns_t_isdn = 20, /*%< ISDN calling address. */\r | |
301 | ns_t_rt = 21, /*%< Router. */\r | |
302 | ns_t_nsap = 22, /*%< NSAP address. */\r | |
303 | ns_t_nsap_ptr = 23, /*%< Reverse NSAP lookup (deprecated). */\r | |
304 | ns_t_sig = 24, /*%< Security signature. */\r | |
305 | ns_t_key = 25, /*%< Security key. */\r | |
306 | ns_t_px = 26, /*%< X.400 mail mapping. */\r | |
307 | ns_t_gpos = 27, /*%< Geographical position (withdrawn). */\r | |
308 | ns_t_aaaa = 28, /*%< Ip6 Address. */\r | |
309 | ns_t_loc = 29, /*%< Location Information. */\r | |
310 | ns_t_nxt = 30, /*%< Next domain (security). */\r | |
311 | ns_t_eid = 31, /*%< Endpoint identifier. */\r | |
312 | ns_t_nimloc = 32, /*%< Nimrod Locator. */\r | |
313 | ns_t_srv = 33, /*%< Server Selection. */\r | |
314 | ns_t_atma = 34, /*%< ATM Address */\r | |
315 | ns_t_naptr = 35, /*%< Naming Authority PoinTeR */\r | |
316 | ns_t_kx = 36, /*%< Key Exchange */\r | |
317 | ns_t_cert = 37, /*%< Certification record */\r | |
318 | ns_t_a6 = 38, /*%< IPv6 address (deprecates AAAA) */\r | |
319 | ns_t_dname = 39, /*%< Non-terminal DNAME (for IPv6) */\r | |
320 | ns_t_sink = 40, /*%< Kitchen sink (experimentatl) */\r | |
321 | ns_t_opt = 41, /*%< EDNS0 option (meta-RR) */\r | |
322 | ns_t_apl = 42, /*%< Address prefix list (RFC3123) */\r | |
323 | ns_t_tkey = 249, /*%< Transaction key */\r | |
324 | ns_t_tsig = 250, /*%< Transaction signature. */\r | |
325 | ns_t_ixfr = 251, /*%< Incremental zone transfer. */\r | |
326 | ns_t_axfr = 252, /*%< Transfer zone of authority. */\r | |
327 | ns_t_mailb = 253, /*%< Transfer mailbox records. */\r | |
328 | ns_t_maila = 254, /*%< Transfer mail agent records. */\r | |
329 | ns_t_any = 255, /*%< Wildcard match. */\r | |
330 | ns_t_zxfr = 256, /*%< BIND-specific, nonstandard. */\r | |
331 | ns_t_max = 65536\r | |
332 | } ns_type;\r | |
333 | \r | |
334 | /* Exclusively a QTYPE? (not also an RTYPE) */\r | |
335 | #define ns_t_qt_p(t) (ns_t_xfr_p(t) || (t) == ns_t_any || \\r | |
336 | (t) == ns_t_mailb || (t) == ns_t_maila)\r | |
337 | /* Some kind of meta-RR? (not a QTYPE, but also not an RTYPE) */\r | |
338 | #define ns_t_mrr_p(t) ((t) == ns_t_tsig || (t) == ns_t_opt)\r | |
339 | /* Exclusively an RTYPE? (not also a QTYPE or a meta-RR) */\r | |
340 | #define ns_t_rr_p(t) (!ns_t_qt_p(t) && !ns_t_mrr_p(t))\r | |
341 | #define ns_t_udp_p(t) ((t) != ns_t_axfr && (t) != ns_t_zxfr)\r | |
342 | #define ns_t_xfr_p(t) ((t) == ns_t_axfr || (t) == ns_t_ixfr || \\r | |
343 | (t) == ns_t_zxfr)\r | |
344 | \r | |
345 | /*%\r | |
346 | * Values for class field\r | |
347 | */\r | |
348 | typedef enum __ns_class {\r | |
349 | ns_c_invalid = 0, /*%< Cookie. */\r | |
350 | ns_c_in = 1, /*%< Internet. */\r | |
351 | ns_c_2 = 2, /*%< unallocated/unsupported. */\r | |
352 | ns_c_chaos = 3, /*%< MIT Chaos-net. */\r | |
353 | ns_c_hs = 4, /*%< MIT Hesiod. */\r | |
354 | /* Query class values which do not appear in resource records */\r | |
355 | ns_c_none = 254, /*%< for prereq. sections in update requests */\r | |
356 | ns_c_any = 255, /*%< Wildcard match. */\r | |
357 | ns_c_max = 65536\r | |
358 | } ns_class;\r | |
359 | \r | |
360 | /* DNSSEC constants. */\r | |
361 | \r | |
362 | typedef enum __ns_key_types {\r | |
363 | ns_kt_rsa = 1, /*%< key type RSA/MD5 */\r | |
364 | ns_kt_dh = 2, /*%< Diffie Hellman */\r | |
365 | ns_kt_dsa = 3, /*%< Digital Signature Standard (MANDATORY) */\r | |
366 | ns_kt_private = 254 /*%< Private key type starts with OID */\r | |
367 | } ns_key_types;\r | |
368 | \r | |
369 | typedef enum __ns_cert_types {\r | |
370 | cert_t_pkix = 1, /*%< PKIX (X.509v3) */\r | |
371 | cert_t_spki = 2, /*%< SPKI */\r | |
372 | cert_t_pgp = 3, /*%< PGP */\r | |
373 | cert_t_url = 253, /*%< URL private type */\r | |
374 | cert_t_oid = 254 /*%< OID private type */\r | |
375 | } ns_cert_types;\r | |
376 | \r | |
377 | /* Flags field of the KEY RR rdata. */\r | |
378 | #define NS_KEY_TYPEMASK 0xC000 /*%< Mask for "type" bits */\r | |
379 | #define NS_KEY_TYPE_AUTH_CONF 0x0000 /*%< Key usable for both */\r | |
380 | #define NS_KEY_TYPE_CONF_ONLY 0x8000 /*%< Key usable for confidentiality */\r | |
381 | #define NS_KEY_TYPE_AUTH_ONLY 0x4000 /*%< Key usable for authentication */\r | |
382 | #define NS_KEY_TYPE_NO_KEY 0xC000 /*%< No key usable for either; no key */\r | |
383 | /* The type bits can also be interpreted independently, as single bits: */\r | |
384 | #define NS_KEY_NO_AUTH 0x8000 /*%< Key unusable for authentication */\r | |
385 | #define NS_KEY_NO_CONF 0x4000 /*%< Key unusable for confidentiality */\r | |
386 | #define NS_KEY_RESERVED2 0x2000 /* Security is *mandatory* if bit=0 */\r | |
387 | #define NS_KEY_EXTENDED_FLAGS 0x1000 /*%< reserved - must be zero */\r | |
388 | #define NS_KEY_RESERVED4 0x0800 /*%< reserved - must be zero */\r | |
389 | #define NS_KEY_RESERVED5 0x0400 /*%< reserved - must be zero */\r | |
390 | #define NS_KEY_NAME_TYPE 0x0300 /*%< these bits determine the type */\r | |
391 | #define NS_KEY_NAME_USER 0x0000 /*%< key is assoc. with user */\r | |
392 | #define NS_KEY_NAME_ENTITY 0x0200 /*%< key is assoc. with entity eg host */\r | |
393 | #define NS_KEY_NAME_ZONE 0x0100 /*%< key is zone key */\r | |
394 | #define NS_KEY_NAME_RESERVED 0x0300 /*%< reserved meaning */\r | |
395 | #define NS_KEY_RESERVED8 0x0080 /*%< reserved - must be zero */\r | |
396 | #define NS_KEY_RESERVED9 0x0040 /*%< reserved - must be zero */\r | |
397 | #define NS_KEY_RESERVED10 0x0020 /*%< reserved - must be zero */\r | |
398 | #define NS_KEY_RESERVED11 0x0010 /*%< reserved - must be zero */\r | |
399 | #define NS_KEY_SIGNATORYMASK 0x000F /*%< key can sign RR's of same name */\r | |
400 | #define NS_KEY_RESERVED_BITMASK ( NS_KEY_RESERVED2 | \\r | |
401 | NS_KEY_RESERVED4 | \\r | |
402 | NS_KEY_RESERVED5 | \\r | |
403 | NS_KEY_RESERVED8 | \\r | |
404 | NS_KEY_RESERVED9 | \\r | |
405 | NS_KEY_RESERVED10 | \\r | |
406 | NS_KEY_RESERVED11 )\r | |
407 | #define NS_KEY_RESERVED_BITMASK2 0xFFFF /*%< no bits defined here */\r | |
408 | \r | |
409 | /* The Algorithm field of the KEY and SIG RR's is an integer, {1..254} */\r | |
410 | #define NS_ALG_MD5RSA 1 /*%< MD5 with RSA */\r | |
411 | #define NS_ALG_DH 2 /*%< Diffie Hellman KEY */\r | |
412 | #define NS_ALG_DSA 3 /*%< DSA KEY */\r | |
413 | #define NS_ALG_DSS NS_ALG_DSA\r | |
414 | #define NS_ALG_EXPIRE_ONLY 253 /*%< No alg, no security */\r | |
415 | #define NS_ALG_PRIVATE_OID 254 /*%< Key begins with OID giving alg */\r | |
416 | \r | |
417 | /* Protocol values */\r | |
418 | /* value 0 is reserved */\r | |
419 | #define NS_KEY_PROT_TLS 1\r | |
420 | #define NS_KEY_PROT_EMAIL 2\r | |
421 | #define NS_KEY_PROT_DNSSEC 3\r | |
422 | #define NS_KEY_PROT_IPSEC 4\r | |
423 | #define NS_KEY_PROT_ANY 255\r | |
424 | \r | |
425 | /* Signatures */\r | |
426 | #define NS_MD5RSA_MIN_BITS 512 /*%< Size of a mod or exp in bits */\r | |
427 | #define NS_MD5RSA_MAX_BITS 4096\r | |
428 | /* Total of binary mod and exp */\r | |
429 | #define NS_MD5RSA_MAX_BYTES ((NS_MD5RSA_MAX_BITS+7/8)*2+3)\r | |
430 | /* Max length of text sig block */\r | |
431 | #define NS_MD5RSA_MAX_BASE64 (((NS_MD5RSA_MAX_BYTES+2)/3)*4)\r | |
432 | #define NS_MD5RSA_MIN_SIZE ((NS_MD5RSA_MIN_BITS+7)/8)\r | |
433 | #define NS_MD5RSA_MAX_SIZE ((NS_MD5RSA_MAX_BITS+7)/8)\r | |
434 | \r | |
435 | #define NS_DSA_SIG_SIZE 41\r | |
436 | #define NS_DSA_MIN_SIZE 213\r | |
437 | #define NS_DSA_MAX_BYTES 405\r | |
438 | \r | |
439 | /* Offsets into SIG record rdata to find various values */\r | |
440 | #define NS_SIG_TYPE 0 /*%< Type flags */\r | |
441 | #define NS_SIG_ALG 2 /*%< Algorithm */\r | |
442 | #define NS_SIG_LABELS 3 /*%< How many labels in name */\r | |
443 | #define NS_SIG_OTTL 4 /*%< Original TTL */\r | |
444 | #define NS_SIG_EXPIR 8 /*%< Expiration time */\r | |
445 | #define NS_SIG_SIGNED 12 /*%< Signature time */\r | |
446 | #define NS_SIG_FOOT 16 /*%< Key footprint */\r | |
447 | #define NS_SIG_SIGNER 18 /*%< Domain name of who signed it */\r | |
448 | \r | |
449 | /* How RR types are represented as bit-flags in NXT records */\r | |
450 | #define NS_NXT_BITS 8\r | |
451 | #define NS_NXT_BIT_SET( n,p) (p[(n)/NS_NXT_BITS] |= (0x80>>((n)%NS_NXT_BITS)))\r | |
452 | #define NS_NXT_BIT_CLEAR(n,p) (p[(n)/NS_NXT_BITS] &= ~(0x80>>((n)%NS_NXT_BITS)))\r | |
453 | #define NS_NXT_BIT_ISSET(n,p) (p[(n)/NS_NXT_BITS] & (0x80>>((n)%NS_NXT_BITS)))\r | |
454 | #define NS_NXT_MAX 127\r | |
455 | \r | |
456 | /*%\r | |
457 | * EDNS0 extended flags, host order.\r | |
458 | */\r | |
459 | #define NS_OPT_DNSSEC_OK 0x8000U\r | |
460 | \r | |
461 | /*%\r | |
462 | * Inline versions of get/put short/long. Pointer is advanced.\r | |
463 | */\r | |
464 | #define NS_GET16(s, cp) do { \\r | |
465 | const u_char *t_cp = (const u_char *)(cp); \\r | |
466 | (s) = ((uint16_t)t_cp[0] << 8) \\r | |
467 | | ((uint16_t)t_cp[1]) \\r | |
468 | ; \\r | |
469 | (cp) += NS_INT16SZ; \\r | |
470 | } while (/*CONSTCOND*/0)\r | |
471 | \r | |
472 | #define NS_GET32(l, cp) do { \\r | |
473 | const u_char *t_cp = (const u_char *)(cp); \\r | |
474 | (l) = ((uint32_t)t_cp[0] << 24) \\r | |
475 | | ((uint32_t)t_cp[1] << 16) \\r | |
476 | | ((uint32_t)t_cp[2] << 8) \\r | |
477 | | ((uint32_t)t_cp[3]) \\r | |
478 | ; \\r | |
479 | (cp) += NS_INT32SZ; \\r | |
480 | } while (/*CONSTCOND*/0)\r | |
481 | \r | |
482 | #define NS_PUT16(s, cp) do { \\r | |
483 | uint32_t t_s = (uint32_t)(s); \\r | |
484 | u_char *t_cp = (u_char *)(cp); \\r | |
d7ce7006 | 485 | *t_cp++ = (u_char)( t_s >> 8 ); \\r |
486 | *t_cp = (u_char)( t_s ); \\r | |
2aa62f2b | 487 | (cp) += NS_INT16SZ; \\r |
488 | } while (/*CONSTCOND*/0)\r | |
489 | \r | |
490 | #define NS_PUT32(l, cp) do { \\r | |
491 | uint32_t t_l = (uint32_t)(l); \\r | |
492 | u_char *t_cp = (u_char *)(cp); \\r | |
d7ce7006 | 493 | *t_cp++ = (u_char)( t_l >> 24 ); \\r |
494 | *t_cp++ = (u_char)( t_l >> 16 ); \\r | |
495 | *t_cp++ = (u_char)( t_l >> 8 ); \\r | |
496 | *t_cp = (u_char)( t_l ); \\r | |
2aa62f2b | 497 | (cp) += NS_INT32SZ; \\r |
498 | } while (/*CONSTCOND*/0)\r | |
499 | \r | |
500 | /*%\r | |
501 | * ANSI C identifier hiding for bind's lib/nameser.\r | |
502 | */\r | |
2aa62f2b | 503 | #define ns_get16 __ns_get16\r |
504 | #define ns_get32 __ns_get32\r | |
505 | #define ns_put16 __ns_put16\r | |
506 | #define ns_put32 __ns_put32\r | |
507 | #define ns_initparse __ns_initparse\r | |
508 | #define ns_skiprr __ns_skiprr\r | |
509 | #define ns_parserr __ns_parserr\r | |
510 | #define ns_sprintrr __ns_sprintrr\r | |
511 | #define ns_sprintrrf __ns_sprintrrf\r | |
512 | #define ns_format_ttl __ns_format_ttl\r | |
513 | #define ns_parse_ttl __ns_parse_ttl\r | |
514 | #define ns_datetosecs __ns_datetosecs\r | |
515 | #define ns_name_ntol __ns_name_ntol\r | |
516 | #define ns_name_ntop __ns_name_ntop\r | |
517 | #define ns_name_pton __ns_name_pton\r | |
518 | #define ns_name_unpack __ns_name_unpack\r | |
519 | #define ns_name_pack __ns_name_pack\r | |
520 | #define ns_name_compress __ns_name_compress\r | |
521 | #define ns_name_uncompress __ns_name_uncompress\r | |
522 | #define ns_name_skip __ns_name_skip\r | |
523 | #define ns_name_rollback __ns_name_rollback\r | |
524 | #define ns_sign __ns_sign\r | |
525 | #define ns_sign2 __ns_sign2\r | |
526 | #define ns_sign_tcp __ns_sign_tcp\r | |
527 | #define ns_sign_tcp2 __ns_sign_tcp2\r | |
528 | #define ns_sign_tcp_init __ns_sign_tcp_init\r | |
529 | #define ns_find_tsig __ns_find_tsig\r | |
530 | #define ns_verify __ns_verify\r | |
531 | #define ns_verify_tcp __ns_verify_tcp\r | |
532 | #define ns_verify_tcp_init __ns_verify_tcp_init\r | |
533 | #define ns_samedomain __ns_samedomain\r | |
534 | #define ns_subdomain __ns_subdomain\r | |
535 | #define ns_makecanon __ns_makecanon\r | |
536 | #define ns_samename __ns_samename\r | |
537 | \r | |
538 | __BEGIN_DECLS\r | |
2aa62f2b | 539 | uint16_t ns_get16(const u_char *);\r |
540 | uint32_t ns_get32(const u_char *);\r | |
541 | void ns_put16(uint16_t, u_char *);\r | |
542 | void ns_put32(uint32_t, u_char *);\r | |
543 | int ns_initparse(const u_char *, int, ns_msg *);\r | |
544 | int ns_skiprr(const u_char *, const u_char *, ns_sect, int);\r | |
545 | int ns_parserr(ns_msg *, ns_sect, int, ns_rr *);\r | |
546 | int ns_sprintrr(const ns_msg *, const ns_rr *,\r | |
547 | const char *, const char *, char *, size_t);\r | |
548 | int ns_sprintrrf(const u_char *, size_t, const char *,\r | |
549 | ns_class, ns_type, u_long, const u_char *,\r | |
550 | size_t, const char *, const char *,\r | |
551 | char *, size_t);\r | |
552 | int ns_format_ttl(u_long, char *, size_t);\r | |
553 | int ns_parse_ttl(const char *, u_long *);\r | |
554 | uint32_t ns_datetosecs(const char *cp, int *errp);\r | |
555 | int ns_name_ntol(const u_char *, u_char *, size_t);\r | |
556 | int ns_name_ntop(const u_char *, char *, size_t);\r | |
557 | int ns_name_pton(const char *, u_char *, size_t);\r | |
558 | int ns_name_unpack(const u_char *, const u_char *,\r | |
559 | const u_char *, u_char *, size_t);\r | |
560 | int ns_name_pack(const u_char *, u_char *, int,\r | |
561 | const u_char **, const u_char **);\r | |
562 | int ns_name_uncompress(const u_char *, const u_char *,\r | |
563 | const u_char *, char *, size_t);\r | |
564 | int ns_name_compress(const char *, u_char *, size_t,\r | |
565 | const u_char **, const u_char **);\r | |
566 | int ns_name_skip(const u_char **, const u_char *);\r | |
567 | void ns_name_rollback(const u_char *, const u_char **,\r | |
568 | const u_char **);\r | |
569 | int ns_sign(u_char *, int *, int, int, void *,\r | |
570 | const u_char *, int, u_char *, int *, time_t);\r | |
571 | int ns_sign2(u_char *, int *, int, int, void *,\r | |
572 | const u_char *, int, u_char *, int *, time_t,\r | |
573 | u_char **, u_char **);\r | |
574 | int ns_sign_tcp(u_char *, int *, int, int,\r | |
575 | ns_tcp_tsig_state *, int);\r | |
576 | int ns_sign_tcp2(u_char *, int *, int, int,\r | |
577 | ns_tcp_tsig_state *, int,\r | |
578 | u_char **, u_char **);\r | |
579 | int ns_sign_tcp_init(void *, const u_char *, int,\r | |
580 | ns_tcp_tsig_state *);\r | |
581 | u_char *ns_find_tsig(u_char *, u_char *);\r | |
582 | int ns_verify(u_char *, int *, void *,\r | |
583 | const u_char *, int, u_char *, int *,\r | |
584 | time_t *, int);\r | |
585 | int ns_verify_tcp(u_char *, int *, ns_tcp_tsig_state *, int);\r | |
586 | int ns_verify_tcp_init(void *, const u_char *, int,\r | |
587 | ns_tcp_tsig_state *);\r | |
588 | int ns_samedomain(const char *, const char *);\r | |
589 | int ns_subdomain(const char *, const char *);\r | |
590 | int ns_makecanon(const char *, char *, size_t);\r | |
591 | int ns_samename(const char *, const char *);\r | |
592 | __END_DECLS\r | |
593 | \r | |
594 | #ifdef BIND_4_COMPAT\r | |
595 | #include <arpa/nameser_compat.h>\r | |
596 | #endif\r | |
597 | \r | |
598 | #endif /* !_ARPA_NAMESER_H_ */\r |