2 * Copyright (C) 2004 Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 1998-2002 Internet Software Consortium.
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15 * PERFORMANCE OF THIS SOFTWARE.
18 /* $Id: soa_6.c,v 1.53.12.6 2004/03/08 09:04:42 marka Exp $ */
20 /* Reviewed: Thu Mar 16 15:18:32 PST 2000 by explorer */
22 #ifndef RDATA_GENERIC_SOA_6_C
23 #define RDATA_GENERIC_SOA_6_C
25 #define RRTYPE_SOA_ATTRIBUTES (DNS_RDATATYPEATTR_SINGLETON)
27 static inline isc_result_t
28 fromtext_soa(ARGS_FROMTEXT
) {
42 origin
= (origin
!= NULL
) ? origin
: dns_rootname
;
44 for (i
= 0; i
< 2; i
++) {
45 RETERR(isc_lex_getmastertoken(lexer
, &token
,
49 dns_name_init(&name
, NULL
);
50 buffer_fromregion(&buffer
, &token
.value
.as_region
);
51 RETTOK(dns_name_fromtext(&name
, &buffer
, origin
,
54 if ((options
& DNS_RDATA_CHECKNAMES
) != 0)
57 ok
= dns_name_ishostname(&name
, ISC_FALSE
);
60 ok
= dns_name_ismailbox(&name
);
64 if (!ok
&& (options
& DNS_RDATA_CHECKNAMESFAIL
) != 0)
65 RETTOK(DNS_R_BADNAME
);
66 if (!ok
&& callbacks
!= NULL
)
67 warn_badname(&name
, lexer
, callbacks
);
70 RETERR(isc_lex_getmastertoken(lexer
, &token
, isc_tokentype_number
,
72 RETERR(uint32_tobuffer(token
.value
.as_ulong
, target
));
74 for (i
= 0; i
< 4; i
++) {
75 RETERR(isc_lex_getmastertoken(lexer
, &token
,
78 RETTOK(dns_counter_fromtext(&token
.value
.as_textregion
, &n
));
79 RETERR(uint32_tobuffer(n
, target
));
82 return (ISC_R_SUCCESS
);
85 static const char *soa_fieldnames
[5] = {
86 "serial", "refresh", "retry", "expire", "minimum"
89 static inline isc_result_t
90 totext_soa(ARGS_TOTEXT
) {
97 isc_boolean_t multiline
;
98 isc_boolean_t comment
;
100 REQUIRE(rdata
->type
== 6);
101 REQUIRE(rdata
->length
!= 0);
103 multiline
= ISC_TF((tctx
->flags
& DNS_STYLEFLAG_MULTILINE
) != 0);
104 comment
= ISC_TF((tctx
->flags
& DNS_STYLEFLAG_COMMENT
) != 0);
106 dns_name_init(&mname
, NULL
);
107 dns_name_init(&rname
, NULL
);
108 dns_name_init(&prefix
, NULL
);
110 dns_rdata_toregion(rdata
, &dregion
);
112 dns_name_fromregion(&mname
, &dregion
);
113 isc_region_consume(&dregion
, name_length(&mname
));
115 dns_name_fromregion(&rname
, &dregion
);
116 isc_region_consume(&dregion
, name_length(&rname
));
118 sub
= name_prefix(&mname
, tctx
->origin
, &prefix
);
119 RETERR(dns_name_totext(&prefix
, sub
, target
));
121 RETERR(str_totext(" ", target
));
123 sub
= name_prefix(&rname
, tctx
->origin
, &prefix
);
124 RETERR(dns_name_totext(&prefix
, sub
, target
));
127 RETERR(str_totext(" (" , target
));
128 RETERR(str_totext(tctx
->linebreak
, target
));
130 for (i
= 0; i
< 5; i
++) {
131 char buf
[sizeof("2147483647")];
134 num
= uint32_fromregion(&dregion
);
135 isc_region_consume(&dregion
, 4);
136 numlen
= sprintf(buf
, "%lu", num
);
137 INSIST(numlen
> 0 && numlen
< sizeof("2147483647"));
138 RETERR(str_totext(buf
, target
));
139 if (multiline
&& comment
) {
140 RETERR(str_totext(" ; " + numlen
, target
));
141 RETERR(str_totext(soa_fieldnames
[i
], target
));
142 /* Print times in week/day/hour/minute/second form */
144 RETERR(str_totext(" (", target
));
145 RETERR(dns_ttl_totext(num
, ISC_TRUE
, target
));
146 RETERR(str_totext(")", target
));
148 RETERR(str_totext(tctx
->linebreak
, target
));
150 RETERR(str_totext(tctx
->linebreak
, target
));
155 RETERR(str_totext(")", target
));
157 return (ISC_R_SUCCESS
);
160 static inline isc_result_t
161 fromwire_soa(ARGS_FROMWIRE
) {
164 isc_region_t sregion
;
165 isc_region_t tregion
;
172 dns_decompress_setmethods(dctx
, DNS_COMPRESS_GLOBAL14
);
174 dns_name_init(&mname
, NULL
);
175 dns_name_init(&rname
, NULL
);
177 RETERR(dns_name_fromwire(&mname
, source
, dctx
, options
, target
));
178 RETERR(dns_name_fromwire(&rname
, source
, dctx
, options
, target
));
180 isc_buffer_activeregion(source
, &sregion
);
181 isc_buffer_availableregion(target
, &tregion
);
183 if (sregion
.length
< 20)
184 return (ISC_R_UNEXPECTEDEND
);
185 if (tregion
.length
< 20)
186 return (ISC_R_NOSPACE
);
188 memcpy(tregion
.base
, sregion
.base
, 20);
189 isc_buffer_forward(source
, 20);
190 isc_buffer_add(target
, 20);
192 return (ISC_R_SUCCESS
);
195 static inline isc_result_t
196 towire_soa(ARGS_TOWIRE
) {
197 isc_region_t sregion
;
198 isc_region_t tregion
;
201 dns_offsets_t moffsets
;
202 dns_offsets_t roffsets
;
204 REQUIRE(rdata
->type
== 6);
205 REQUIRE(rdata
->length
!= 0);
207 dns_compress_setmethods(cctx
, DNS_COMPRESS_GLOBAL14
);
209 dns_name_init(&mname
, moffsets
);
210 dns_name_init(&rname
, roffsets
);
212 dns_rdata_toregion(rdata
, &sregion
);
214 dns_name_fromregion(&mname
, &sregion
);
215 isc_region_consume(&sregion
, name_length(&mname
));
216 RETERR(dns_name_towire(&mname
, cctx
, target
));
218 dns_name_fromregion(&rname
, &sregion
);
219 isc_region_consume(&sregion
, name_length(&rname
));
220 RETERR(dns_name_towire(&rname
, cctx
, target
));
222 isc_buffer_availableregion(target
, &tregion
);
223 if (tregion
.length
< 20)
224 return (ISC_R_NOSPACE
);
226 memcpy(tregion
.base
, sregion
.base
, 20);
227 isc_buffer_add(target
, 20);
228 return (ISC_R_SUCCESS
);
232 compare_soa(ARGS_COMPARE
) {
233 isc_region_t region1
;
234 isc_region_t region2
;
239 REQUIRE(rdata1
->type
== rdata2
->type
);
240 REQUIRE(rdata1
->rdclass
== rdata2
->rdclass
);
241 REQUIRE(rdata1
->type
== 6);
242 REQUIRE(rdata1
->length
!= 0);
243 REQUIRE(rdata2
->length
!= 0);
245 dns_name_init(&name1
, NULL
);
246 dns_name_init(&name2
, NULL
);
248 dns_rdata_toregion(rdata1
, ®ion1
);
249 dns_rdata_toregion(rdata2
, ®ion2
);
251 dns_name_fromregion(&name1
, ®ion1
);
252 dns_name_fromregion(&name2
, ®ion2
);
254 order
= dns_name_rdatacompare(&name1
, &name2
);
258 isc_region_consume(®ion1
, name_length(&name1
));
259 isc_region_consume(®ion2
, name_length(&name2
));
261 dns_name_init(&name1
, NULL
);
262 dns_name_init(&name2
, NULL
);
264 dns_name_fromregion(&name1
, ®ion1
);
265 dns_name_fromregion(&name2
, ®ion2
);
267 order
= dns_name_rdatacompare(&name1
, &name2
);
271 isc_region_consume(®ion1
, name_length(&name1
));
272 isc_region_consume(®ion2
, name_length(&name2
));
274 return (isc_region_compare(®ion1
, ®ion2
));
277 static inline isc_result_t
278 fromstruct_soa(ARGS_FROMSTRUCT
) {
279 dns_rdata_soa_t
*soa
= source
;
283 REQUIRE(source
!= NULL
);
284 REQUIRE(soa
->common
.rdtype
== type
);
285 REQUIRE(soa
->common
.rdclass
== rdclass
);
290 dns_name_toregion(&soa
->origin
, ®ion
);
291 RETERR(isc_buffer_copyregion(target
, ®ion
));
292 dns_name_toregion(&soa
->contact
, ®ion
);
293 RETERR(isc_buffer_copyregion(target
, ®ion
));
294 RETERR(uint32_tobuffer(soa
->serial
, target
));
295 RETERR(uint32_tobuffer(soa
->refresh
, target
));
296 RETERR(uint32_tobuffer(soa
->retry
, target
));
297 RETERR(uint32_tobuffer(soa
->expire
, target
));
298 return (uint32_tobuffer(soa
->minimum
, target
));
301 static inline isc_result_t
302 tostruct_soa(ARGS_TOSTRUCT
) {
304 dns_rdata_soa_t
*soa
= target
;
308 REQUIRE(rdata
->type
== 6);
309 REQUIRE(target
!= NULL
);
310 REQUIRE(rdata
->length
!= 0);
312 soa
->common
.rdclass
= rdata
->rdclass
;
313 soa
->common
.rdtype
= rdata
->type
;
314 ISC_LINK_INIT(&soa
->common
, link
);
317 dns_rdata_toregion(rdata
, ®ion
);
319 dns_name_init(&name
, NULL
);
320 dns_name_fromregion(&name
, ®ion
);
321 isc_region_consume(®ion
, name_length(&name
));
322 dns_name_init(&soa
->origin
, NULL
);
323 RETERR(name_duporclone(&name
, mctx
, &soa
->origin
));
325 dns_name_fromregion(&name
, ®ion
);
326 isc_region_consume(®ion
, name_length(&name
));
327 dns_name_init(&soa
->contact
, NULL
);
328 result
= name_duporclone(&name
, mctx
, &soa
->contact
);
329 if (result
!= ISC_R_SUCCESS
)
332 soa
->serial
= uint32_fromregion(®ion
);
333 isc_region_consume(®ion
, 4);
335 soa
->refresh
= uint32_fromregion(®ion
);
336 isc_region_consume(®ion
, 4);
338 soa
->retry
= uint32_fromregion(®ion
);
339 isc_region_consume(®ion
, 4);
341 soa
->expire
= uint32_fromregion(®ion
);
342 isc_region_consume(®ion
, 4);
344 soa
->minimum
= uint32_fromregion(®ion
);
347 return (ISC_R_SUCCESS
);
351 dns_name_free(&soa
->origin
, mctx
);
352 return (ISC_R_NOMEMORY
);
356 freestruct_soa(ARGS_FREESTRUCT
) {
357 dns_rdata_soa_t
*soa
= source
;
359 REQUIRE(source
!= NULL
);
360 REQUIRE(soa
->common
.rdtype
== 6);
362 if (soa
->mctx
== NULL
)
365 dns_name_free(&soa
->origin
, soa
->mctx
);
366 dns_name_free(&soa
->contact
, soa
->mctx
);
370 static inline isc_result_t
371 additionaldata_soa(ARGS_ADDLDATA
) {
376 REQUIRE(rdata
->type
== 6);
378 return (ISC_R_SUCCESS
);
381 static inline isc_result_t
382 digest_soa(ARGS_DIGEST
) {
386 REQUIRE(rdata
->type
== 6);
388 dns_rdata_toregion(rdata
, &r
);
390 dns_name_init(&name
, NULL
);
391 dns_name_fromregion(&name
, &r
);
392 RETERR(dns_name_digest(&name
, digest
, arg
));
393 isc_region_consume(&r
, name_length(&name
));
395 dns_name_init(&name
, NULL
);
396 dns_name_fromregion(&name
, &r
);
397 RETERR(dns_name_digest(&name
, digest
, arg
));
398 isc_region_consume(&r
, name_length(&name
));
400 return ((digest
)(arg
, &r
));
403 static inline isc_boolean_t
404 checkowner_soa(ARGS_CHECKOWNER
) {
416 static inline isc_boolean_t
417 checknames_soa(ARGS_CHECKNAMES
) {
421 REQUIRE(rdata
->type
== 6);
425 dns_rdata_toregion(rdata
, ®ion
);
426 dns_name_init(&name
, NULL
);
427 dns_name_fromregion(&name
, ®ion
);
428 if (!dns_name_ishostname(&name
, ISC_FALSE
)) {
430 dns_name_clone(&name
, bad
);
433 isc_region_consume(®ion
, name_length(&name
));
434 dns_name_fromregion(&name
, ®ion
);
435 if (!dns_name_ismailbox(&name
)) {
437 dns_name_clone(&name
, bad
);
443 #endif /* RDATA_GENERIC_SOA_6_C */