2 * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 2003 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: rrsig_46.c,v 1.5.18.3 2005/04/29 00:16:39 marka Exp $ */
20 /* Reviewed: Fri Mar 17 09:05:02 PST 2000 by gson */
24 #ifndef RDATA_GENERIC_RRSIG_46_C
25 #define RDATA_GENERIC_RRSIG_46_C
27 #define RRTYPE_RRSIG_ATTRIBUTES (DNS_RDATATYPEATTR_DNSSEC)
29 static inline isc_result_t
30 fromtext_rrsig(ARGS_FROMTEXT) {
34 dns_rdatatype_t covered;
39 isc_uint32_t time_signed, time_expire;
50 RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
52 result = dns_rdatatype_fromtext(&covered, &token.value.as_textregion);
53 if (result != ISC_R_SUCCESS && result != ISC_R_NOTIMPLEMENTED) {
54 i = strtol(DNS_AS_STR(token), &e, 10);
55 if (i < 0 || i > 65535)
59 covered = (dns_rdatatype_t)i;
61 RETERR(uint16_tobuffer(covered, target));
66 RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
68 RETTOK(dns_secalg_fromtext(&c, &token.value.as_textregion));
69 RETERR(mem_tobuffer(target, &c, 1));
74 RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
76 if (token.value.as_ulong > 0xffU)
78 c = (unsigned char)token.value.as_ulong;
79 RETERR(mem_tobuffer(target, &c, 1));
84 RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
86 RETERR(uint32_tobuffer(token.value.as_ulong, target));
89 * Signature expiration.
91 RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
93 RETTOK(dns_time32_fromtext(DNS_AS_STR(token), &time_expire));
94 RETERR(uint32_tobuffer(time_expire, target));
99 RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
101 RETTOK(dns_time32_fromtext(DNS_AS_STR(token), &time_signed));
102 RETERR(uint32_tobuffer(time_signed, target));
107 RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
109 RETERR(uint16_tobuffer(token.value.as_ulong, target));
114 RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
116 dns_name_init(&name, NULL);
117 buffer_fromregion(&buffer, &token.value.as_region);
118 origin = (origin != NULL) ? origin : dns_rootname;
119 RETTOK(dns_name_fromtext(&name, &buffer, origin, options, target));
124 return (isc_base64_tobuffer(lexer, target, -1));
127 static inline isc_result_t
128 totext_rrsig(ARGS_TOTEXT) {
130 char buf[sizeof("4294967295")];
131 dns_rdatatype_t covered;
140 REQUIRE(rdata->type == 46);
141 REQUIRE(rdata->length != 0);
143 dns_rdata_toregion(rdata, &sr);
148 covered = uint16_fromregion(&sr);
149 isc_region_consume(&sr, 2);
151 * XXXAG We should have something like dns_rdatatype_isknown()
152 * that does the right thing with type 0.
154 if (dns_rdatatype_isknown(covered) && covered != 0) {
155 RETERR(dns_rdatatype_totext(covered, target));
157 char buf[sizeof("TYPE65535")];
158 sprintf(buf, "TYPE%u", covered);
159 RETERR(str_totext(buf, target));
161 RETERR(str_totext(" ", target));
166 sprintf(buf, "%u", sr.base[0]);
167 isc_region_consume(&sr, 1);
168 RETERR(str_totext(buf, target));
169 RETERR(str_totext(" ", target));
174 sprintf(buf, "%u", sr.base[0]);
175 isc_region_consume(&sr, 1);
176 RETERR(str_totext(buf, target));
177 RETERR(str_totext(" ", target));
182 ttl = uint32_fromregion(&sr);
183 isc_region_consume(&sr, 4);
184 sprintf(buf, "%lu", ttl);
185 RETERR(str_totext(buf, target));
186 RETERR(str_totext(" ", target));
191 exp = uint32_fromregion(&sr);
192 isc_region_consume(&sr, 4);
193 RETERR(dns_time32_totext(exp, target));
195 if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
196 RETERR(str_totext(" (", target));
197 RETERR(str_totext(tctx->linebreak, target));
202 when = uint32_fromregion(&sr);
203 isc_region_consume(&sr, 4);
204 RETERR(dns_time32_totext(when, target));
205 RETERR(str_totext(" ", target));
210 foot = uint16_fromregion(&sr);
211 isc_region_consume(&sr, 2);
212 sprintf(buf, "%lu", foot);
213 RETERR(str_totext(buf, target));
214 RETERR(str_totext(" ", target));
219 dns_name_init(&name, NULL);
220 dns_name_init(&prefix, NULL);
221 dns_name_fromregion(&name, &sr);
222 isc_region_consume(&sr, name_length(&name));
223 sub = name_prefix(&name, tctx->origin, &prefix);
224 RETERR(dns_name_totext(&prefix, sub, target));
229 RETERR(str_totext(tctx->linebreak, target));
230 RETERR(isc_base64_totext(&sr, tctx->width - 2,
231 tctx->linebreak, target));
232 if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
233 RETERR(str_totext(" )", target));
235 return (ISC_R_SUCCESS);
238 static inline isc_result_t
239 fromwire_rrsig(ARGS_FROMWIRE) {
248 dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
250 isc_buffer_activeregion(source, &sr);
256 * signature expiration: 4
261 return (ISC_R_UNEXPECTEDEND);
263 isc_buffer_forward(source, 18);
264 RETERR(mem_tobuffer(target, sr.base, 18));
269 dns_name_init(&name, NULL);
270 RETERR(dns_name_fromwire(&name, source, dctx, options, target));
275 isc_buffer_activeregion(source, &sr);
276 isc_buffer_forward(source, sr.length);
277 return (mem_tobuffer(target, sr.base, sr.length));
280 static inline isc_result_t
281 towire_rrsig(ARGS_TOWIRE) {
284 dns_offsets_t offsets;
286 REQUIRE(rdata->type == 46);
287 REQUIRE(rdata->length != 0);
289 dns_compress_setmethods(cctx, DNS_COMPRESS_NONE);
290 dns_rdata_toregion(rdata, &sr);
296 * signature expiration: 4
300 RETERR(mem_tobuffer(target, sr.base, 18));
301 isc_region_consume(&sr, 18);
306 dns_name_init(&name, offsets);
307 dns_name_fromregion(&name, &sr);
308 isc_region_consume(&sr, name_length(&name));
309 RETERR(dns_name_towire(&name, cctx, target));
314 return (mem_tobuffer(target, sr.base, sr.length));
318 compare_rrsig(ARGS_COMPARE) {
322 REQUIRE(rdata1->type == rdata2->type);
323 REQUIRE(rdata1->rdclass == rdata2->rdclass);
324 REQUIRE(rdata1->type == 46);
325 REQUIRE(rdata1->length != 0);
326 REQUIRE(rdata2->length != 0);
328 dns_rdata_toregion(rdata1, &r1);
329 dns_rdata_toregion(rdata2, &r2);
330 return (isc_region_compare(&r1, &r2));
333 static inline isc_result_t
334 fromstruct_rrsig(ARGS_FROMSTRUCT) {
335 dns_rdata_rrsig_t *sig = source;
338 REQUIRE(source != NULL);
339 REQUIRE(sig->common.rdtype == type);
340 REQUIRE(sig->common.rdclass == rdclass);
341 REQUIRE(sig->signature != NULL || sig->siglen == 0);
349 RETERR(uint16_tobuffer(sig->covered, target));
354 RETERR(uint8_tobuffer(sig->algorithm, target));
359 RETERR(uint8_tobuffer(sig->labels, target));
364 RETERR(uint32_tobuffer(sig->originalttl, target));
369 RETERR(uint32_tobuffer(sig->timeexpire, target));
374 RETERR(uint32_tobuffer(sig->timesigned, target));
379 RETERR(uint16_tobuffer(sig->keyid, target));
384 RETERR(name_tobuffer(&sig->signer, target));
389 return (mem_tobuffer(target, sig->signature, sig->siglen));
392 static inline isc_result_t
393 tostruct_rrsig(ARGS_TOSTRUCT) {
395 dns_rdata_rrsig_t *sig = target;
398 REQUIRE(rdata->type == 46);
399 REQUIRE(target != NULL);
400 REQUIRE(rdata->length != 0);
402 sig->common.rdclass = rdata->rdclass;
403 sig->common.rdtype = rdata->type;
404 ISC_LINK_INIT(&sig->common, link);
406 dns_rdata_toregion(rdata, &sr);
411 sig->covered = uint16_fromregion(&sr);
412 isc_region_consume(&sr, 2);
417 sig->algorithm = uint8_fromregion(&sr);
418 isc_region_consume(&sr, 1);
423 sig->labels = uint8_fromregion(&sr);
424 isc_region_consume(&sr, 1);
429 sig->originalttl = uint32_fromregion(&sr);
430 isc_region_consume(&sr, 4);
435 sig->timeexpire = uint32_fromregion(&sr);
436 isc_region_consume(&sr, 4);
441 sig->timesigned = uint32_fromregion(&sr);
442 isc_region_consume(&sr, 4);
447 sig->keyid = uint16_fromregion(&sr);
448 isc_region_consume(&sr, 2);
450 dns_name_init(&signer, NULL);
451 dns_name_fromregion(&signer, &sr);
452 dns_name_init(&sig->signer, NULL);
453 RETERR(name_duporclone(&signer, mctx, &sig->signer));
454 isc_region_consume(&sr, name_length(&sig->signer));
459 sig->siglen = sr.length;
460 sig->signature = mem_maybedup(mctx, sr.base, sig->siglen);
461 if (sig->signature == NULL)
466 return (ISC_R_SUCCESS);
470 dns_name_free(&sig->signer, mctx);
471 return (ISC_R_NOMEMORY);
475 freestruct_rrsig(ARGS_FREESTRUCT) {
476 dns_rdata_rrsig_t *sig = (dns_rdata_rrsig_t *) source;
478 REQUIRE(source != NULL);
479 REQUIRE(sig->common.rdtype == 46);
481 if (sig->mctx == NULL)
484 dns_name_free(&sig->signer, sig->mctx);
485 if (sig->signature != NULL)
486 isc_mem_free(sig->mctx, sig->signature);
490 static inline isc_result_t
491 additionaldata_rrsig(ARGS_ADDLDATA) {
492 REQUIRE(rdata->type == 46);
498 return (ISC_R_SUCCESS);
501 static inline isc_result_t
502 digest_rrsig(ARGS_DIGEST) {
504 REQUIRE(rdata->type == 46);
510 return (ISC_R_NOTIMPLEMENTED);
513 static inline dns_rdatatype_t
514 covers_rrsig(dns_rdata_t *rdata) {
515 dns_rdatatype_t type;
518 REQUIRE(rdata->type == 46);
520 dns_rdata_toregion(rdata, &r);
521 type = uint16_fromregion(&r);
526 static inline isc_boolean_t
527 checkowner_rrsig(ARGS_CHECKOWNER) {
539 static inline isc_boolean_t
540 checknames_rrsig(ARGS_CHECKNAMES) {
542 REQUIRE(rdata->type == 46);
551 #endif /* RDATA_GENERIC_RRSIG_46_C */