2 * Copyright (C) 2004, 2005, 2007, 2011 Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 2003 Internet Software Consortium.
5 * Permission to use, copy, modify, and/or 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 1.10.332.2 2011-01-13 04:48:23 tbox 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;
138 REQUIRE(rdata->type == 46);
139 REQUIRE(rdata->length != 0);
141 dns_rdata_toregion(rdata, &sr);
146 covered = uint16_fromregion(&sr);
147 isc_region_consume(&sr, 2);
149 * XXXAG We should have something like dns_rdatatype_isknown()
150 * that does the right thing with type 0.
152 if (dns_rdatatype_isknown(covered) && covered != 0) {
153 RETERR(dns_rdatatype_totext(covered, target));
155 char buf[sizeof("TYPE65535")];
156 sprintf(buf, "TYPE%u", covered);
157 RETERR(str_totext(buf, target));
159 RETERR(str_totext(" ", target));
164 sprintf(buf, "%u", sr.base[0]);
165 isc_region_consume(&sr, 1);
166 RETERR(str_totext(buf, target));
167 RETERR(str_totext(" ", target));
172 sprintf(buf, "%u", sr.base[0]);
173 isc_region_consume(&sr, 1);
174 RETERR(str_totext(buf, target));
175 RETERR(str_totext(" ", target));
180 ttl = uint32_fromregion(&sr);
181 isc_region_consume(&sr, 4);
182 sprintf(buf, "%lu", ttl);
183 RETERR(str_totext(buf, target));
184 RETERR(str_totext(" ", target));
189 exp = uint32_fromregion(&sr);
190 isc_region_consume(&sr, 4);
191 RETERR(dns_time32_totext(exp, target));
193 if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
194 RETERR(str_totext(" (", target));
195 RETERR(str_totext(tctx->linebreak, target));
200 when = uint32_fromregion(&sr);
201 isc_region_consume(&sr, 4);
202 RETERR(dns_time32_totext(when, target));
203 RETERR(str_totext(" ", target));
208 foot = uint16_fromregion(&sr);
209 isc_region_consume(&sr, 2);
210 sprintf(buf, "%lu", foot);
211 RETERR(str_totext(buf, target));
212 RETERR(str_totext(" ", target));
217 dns_name_init(&name, NULL);
218 dns_name_fromregion(&name, &sr);
219 isc_region_consume(&sr, name_length(&name));
220 RETERR(dns_name_totext(&name, ISC_FALSE, target));
225 RETERR(str_totext(tctx->linebreak, target));
226 RETERR(isc_base64_totext(&sr, tctx->width - 2,
227 tctx->linebreak, target));
228 if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
229 RETERR(str_totext(" )", target));
231 return (ISC_R_SUCCESS);
234 static inline isc_result_t
235 fromwire_rrsig(ARGS_FROMWIRE) {
244 dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
246 isc_buffer_activeregion(source, &sr);
252 * signature expiration: 4
257 return (ISC_R_UNEXPECTEDEND);
259 isc_buffer_forward(source, 18);
260 RETERR(mem_tobuffer(target, sr.base, 18));
265 dns_name_init(&name, NULL);
266 RETERR(dns_name_fromwire(&name, source, dctx, options, target));
271 isc_buffer_activeregion(source, &sr);
272 isc_buffer_forward(source, sr.length);
273 return (mem_tobuffer(target, sr.base, sr.length));
276 static inline isc_result_t
277 towire_rrsig(ARGS_TOWIRE) {
280 dns_offsets_t offsets;
282 REQUIRE(rdata->type == 46);
283 REQUIRE(rdata->length != 0);
285 dns_compress_setmethods(cctx, DNS_COMPRESS_NONE);
286 dns_rdata_toregion(rdata, &sr);
292 * signature expiration: 4
296 RETERR(mem_tobuffer(target, sr.base, 18));
297 isc_region_consume(&sr, 18);
302 dns_name_init(&name, offsets);
303 dns_name_fromregion(&name, &sr);
304 isc_region_consume(&sr, name_length(&name));
305 RETERR(dns_name_towire(&name, cctx, target));
310 return (mem_tobuffer(target, sr.base, sr.length));
314 compare_rrsig(ARGS_COMPARE) {
318 REQUIRE(rdata1->type == rdata2->type);
319 REQUIRE(rdata1->rdclass == rdata2->rdclass);
320 REQUIRE(rdata1->type == 46);
321 REQUIRE(rdata1->length != 0);
322 REQUIRE(rdata2->length != 0);
324 dns_rdata_toregion(rdata1, &r1);
325 dns_rdata_toregion(rdata2, &r2);
326 return (isc_region_compare(&r1, &r2));
329 static inline isc_result_t
330 fromstruct_rrsig(ARGS_FROMSTRUCT) {
331 dns_rdata_rrsig_t *sig = source;
334 REQUIRE(source != NULL);
335 REQUIRE(sig->common.rdtype == type);
336 REQUIRE(sig->common.rdclass == rdclass);
337 REQUIRE(sig->signature != NULL || sig->siglen == 0);
345 RETERR(uint16_tobuffer(sig->covered, target));
350 RETERR(uint8_tobuffer(sig->algorithm, target));
355 RETERR(uint8_tobuffer(sig->labels, target));
360 RETERR(uint32_tobuffer(sig->originalttl, target));
365 RETERR(uint32_tobuffer(sig->timeexpire, target));
370 RETERR(uint32_tobuffer(sig->timesigned, target));
375 RETERR(uint16_tobuffer(sig->keyid, target));
380 RETERR(name_tobuffer(&sig->signer, target));
385 return (mem_tobuffer(target, sig->signature, sig->siglen));
388 static inline isc_result_t
389 tostruct_rrsig(ARGS_TOSTRUCT) {
391 dns_rdata_rrsig_t *sig = target;
394 REQUIRE(rdata->type == 46);
395 REQUIRE(target != NULL);
396 REQUIRE(rdata->length != 0);
398 sig->common.rdclass = rdata->rdclass;
399 sig->common.rdtype = rdata->type;
400 ISC_LINK_INIT(&sig->common, link);
402 dns_rdata_toregion(rdata, &sr);
407 sig->covered = uint16_fromregion(&sr);
408 isc_region_consume(&sr, 2);
413 sig->algorithm = uint8_fromregion(&sr);
414 isc_region_consume(&sr, 1);
419 sig->labels = uint8_fromregion(&sr);
420 isc_region_consume(&sr, 1);
425 sig->originalttl = uint32_fromregion(&sr);
426 isc_region_consume(&sr, 4);
431 sig->timeexpire = uint32_fromregion(&sr);
432 isc_region_consume(&sr, 4);
437 sig->timesigned = uint32_fromregion(&sr);
438 isc_region_consume(&sr, 4);
443 sig->keyid = uint16_fromregion(&sr);
444 isc_region_consume(&sr, 2);
446 dns_name_init(&signer, NULL);
447 dns_name_fromregion(&signer, &sr);
448 dns_name_init(&sig->signer, NULL);
449 RETERR(name_duporclone(&signer, mctx, &sig->signer));
450 isc_region_consume(&sr, name_length(&sig->signer));
455 sig->siglen = sr.length;
456 sig->signature = mem_maybedup(mctx, sr.base, sig->siglen);
457 if (sig->signature == NULL)
462 return (ISC_R_SUCCESS);
466 dns_name_free(&sig->signer, mctx);
467 return (ISC_R_NOMEMORY);
471 freestruct_rrsig(ARGS_FREESTRUCT) {
472 dns_rdata_rrsig_t *sig = (dns_rdata_rrsig_t *) source;
474 REQUIRE(source != NULL);
475 REQUIRE(sig->common.rdtype == 46);
477 if (sig->mctx == NULL)
480 dns_name_free(&sig->signer, sig->mctx);
481 if (sig->signature != NULL)
482 isc_mem_free(sig->mctx, sig->signature);
486 static inline isc_result_t
487 additionaldata_rrsig(ARGS_ADDLDATA) {
488 REQUIRE(rdata->type == 46);
494 return (ISC_R_SUCCESS);
497 static inline isc_result_t
498 digest_rrsig(ARGS_DIGEST) {
500 REQUIRE(rdata->type == 46);
506 return (ISC_R_NOTIMPLEMENTED);
509 static inline dns_rdatatype_t
510 covers_rrsig(dns_rdata_t *rdata) {
511 dns_rdatatype_t type;
514 REQUIRE(rdata->type == 46);
516 dns_rdata_toregion(rdata, &r);
517 type = uint16_fromregion(&r);
522 static inline isc_boolean_t
523 checkowner_rrsig(ARGS_CHECKOWNER) {
535 static inline isc_boolean_t
536 checknames_rrsig(ARGS_CHECKNAMES) {
538 REQUIRE(rdata->type == 46);
547 #endif /* RDATA_GENERIC_RRSIG_46_C */