2 * Copyright (C) 2004, 2005, 2007, 2008 Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 1999-2001, 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: naptr_35.c,v 1.53 2008/02/15 23:46:51 tbox Exp $ */
20 /* Reviewed: Thu Mar 16 16:52:50 PST 2000 by bwelling */
24 #ifndef RDATA_IN_1_NAPTR_35_C
25 #define RDATA_IN_1_NAPTR_35_C
27 #define RRTYPE_NAPTR_ATTRIBUTES (0)
29 static inline isc_result_t
30 fromtext_in_naptr(ARGS_FROMTEXT) {
36 REQUIRE(rdclass == 1);
45 RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
47 if (token.value.as_ulong > 0xffffU)
49 RETERR(uint16_tobuffer(token.value.as_ulong, target));
54 RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
56 if (token.value.as_ulong > 0xffffU)
58 RETERR(uint16_tobuffer(token.value.as_ulong, target));
63 RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_qstring,
65 RETTOK(txt_fromtext(&token.value.as_textregion, target));
70 RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_qstring,
72 RETTOK(txt_fromtext(&token.value.as_textregion, target));
77 RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_qstring,
79 RETTOK(txt_fromtext(&token.value.as_textregion, target));
84 RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
86 dns_name_init(&name, NULL);
87 buffer_fromregion(&buffer, &token.value.as_region);
88 origin = (origin != NULL) ? origin : dns_rootname;
89 RETTOK(dns_name_fromtext(&name, &buffer, origin, options, target));
90 return (ISC_R_SUCCESS);
93 static inline isc_result_t
94 totext_in_naptr(ARGS_TOTEXT) {
99 char buf[sizeof("64000")];
102 REQUIRE(rdata->type == 35);
103 REQUIRE(rdata->rdclass == 1);
104 REQUIRE(rdata->length != 0);
106 dns_name_init(&name, NULL);
107 dns_name_init(&prefix, NULL);
109 dns_rdata_toregion(rdata, ®ion);
114 num = uint16_fromregion(®ion);
115 isc_region_consume(®ion, 2);
116 sprintf(buf, "%u", num);
117 RETERR(str_totext(buf, target));
118 RETERR(str_totext(" ", target));
123 num = uint16_fromregion(®ion);
124 isc_region_consume(®ion, 2);
125 sprintf(buf, "%u", num);
126 RETERR(str_totext(buf, target));
127 RETERR(str_totext(" ", target));
132 RETERR(txt_totext(®ion, target));
133 RETERR(str_totext(" ", target));
138 RETERR(txt_totext(®ion, target));
139 RETERR(str_totext(" ", target));
144 RETERR(txt_totext(®ion, target));
145 RETERR(str_totext(" ", target));
150 dns_name_fromregion(&name, ®ion);
151 sub = name_prefix(&name, tctx->origin, &prefix);
152 return (dns_name_totext(&prefix, sub, target));
155 static inline isc_result_t
156 fromwire_in_naptr(ARGS_FROMWIRE) {
161 REQUIRE(rdclass == 1);
166 dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
168 dns_name_init(&name, NULL);
173 isc_buffer_activeregion(source, &sr);
175 return (ISC_R_UNEXPECTEDEND);
176 RETERR(mem_tobuffer(target, sr.base, 4));
177 isc_buffer_forward(source, 4);
182 RETERR(txt_fromwire(source, target));
187 RETERR(txt_fromwire(source, target));
192 RETERR(txt_fromwire(source, target));
197 return (dns_name_fromwire(&name, source, dctx, options, target));
200 static inline isc_result_t
201 towire_in_naptr(ARGS_TOWIRE) {
203 dns_offsets_t offsets;
206 REQUIRE(rdata->type == 35);
207 REQUIRE(rdata->rdclass == 1);
208 REQUIRE(rdata->length != 0);
210 dns_compress_setmethods(cctx, DNS_COMPRESS_NONE);
214 dns_rdata_toregion(rdata, &sr);
215 RETERR(mem_tobuffer(target, sr.base, 4));
216 isc_region_consume(&sr, 4);
221 RETERR(mem_tobuffer(target, sr.base, sr.base[0] + 1));
222 isc_region_consume(&sr, sr.base[0] + 1);
227 RETERR(mem_tobuffer(target, sr.base, sr.base[0] + 1));
228 isc_region_consume(&sr, sr.base[0] + 1);
233 RETERR(mem_tobuffer(target, sr.base, sr.base[0] + 1));
234 isc_region_consume(&sr, sr.base[0] + 1);
239 dns_name_init(&name, offsets);
240 dns_name_fromregion(&name, &sr);
241 return (dns_name_towire(&name, cctx, target));
245 compare_in_naptr(ARGS_COMPARE) {
248 isc_region_t region1;
249 isc_region_t region2;
252 REQUIRE(rdata1->type == rdata2->type);
253 REQUIRE(rdata1->rdclass == rdata2->rdclass);
254 REQUIRE(rdata1->type == 35);
255 REQUIRE(rdata1->rdclass == 1);
256 REQUIRE(rdata1->length != 0);
257 REQUIRE(rdata2->length != 0);
259 dns_rdata_toregion(rdata1, ®ion1);
260 dns_rdata_toregion(rdata2, ®ion2);
265 order = memcmp(region1.base, region2.base, 4);
267 return (order < 0 ? -1 : 1);
268 isc_region_consume(®ion1, 4);
269 isc_region_consume(®ion2, 4);
274 len = ISC_MIN(region1.base[0], region2.base[0]);
275 order = memcmp(region1.base, region2.base, len + 1);
277 return (order < 0 ? -1 : 1);
278 isc_region_consume(®ion1, region1.base[0] + 1);
279 isc_region_consume(®ion2, region2.base[0] + 1);
284 len = ISC_MIN(region1.base[0], region2.base[0]);
285 order = memcmp(region1.base, region2.base, len + 1);
287 return (order < 0 ? -1 : 1);
288 isc_region_consume(®ion1, region1.base[0] + 1);
289 isc_region_consume(®ion2, region2.base[0] + 1);
294 len = ISC_MIN(region1.base[0], region2.base[0]);
295 order = memcmp(region1.base, region2.base, len + 1);
297 return (order < 0 ? -1 : 1);
298 isc_region_consume(®ion1, region1.base[0] + 1);
299 isc_region_consume(®ion2, region2.base[0] + 1);
304 dns_name_init(&name1, NULL);
305 dns_name_init(&name2, NULL);
307 dns_name_fromregion(&name1, ®ion1);
308 dns_name_fromregion(&name2, ®ion2);
310 return (dns_name_rdatacompare(&name1, &name2));
313 static inline isc_result_t
314 fromstruct_in_naptr(ARGS_FROMSTRUCT) {
315 dns_rdata_in_naptr_t *naptr = source;
319 REQUIRE(rdclass == 1);
320 REQUIRE(source != NULL);
321 REQUIRE(naptr->common.rdtype == type);
322 REQUIRE(naptr->common.rdclass == rdclass);
323 REQUIRE(naptr->flags != NULL || naptr->flags_len == 0);
324 REQUIRE(naptr->service != NULL || naptr->service_len == 0);
325 REQUIRE(naptr->regexp != NULL || naptr->regexp_len == 0);
330 RETERR(uint16_tobuffer(naptr->order, target));
331 RETERR(uint16_tobuffer(naptr->preference, target));
332 RETERR(uint8_tobuffer(naptr->flags_len, target));
333 RETERR(mem_tobuffer(target, naptr->flags, naptr->flags_len));
334 RETERR(uint8_tobuffer(naptr->service_len, target));
335 RETERR(mem_tobuffer(target, naptr->service, naptr->service_len));
336 RETERR(uint8_tobuffer(naptr->regexp_len, target));
337 RETERR(mem_tobuffer(target, naptr->regexp, naptr->regexp_len));
338 dns_name_toregion(&naptr->replacement, ®ion);
339 return (isc_buffer_copyregion(target, ®ion));
342 static inline isc_result_t
343 tostruct_in_naptr(ARGS_TOSTRUCT) {
344 dns_rdata_in_naptr_t *naptr = target;
349 REQUIRE(rdata->type == 35);
350 REQUIRE(rdata->rdclass == 1);
351 REQUIRE(target != NULL);
352 REQUIRE(rdata->length != 0);
354 naptr->common.rdclass = rdata->rdclass;
355 naptr->common.rdtype = rdata->type;
356 ISC_LINK_INIT(&naptr->common, link);
359 naptr->service = NULL;
360 naptr->regexp = NULL;
362 dns_rdata_toregion(rdata, &r);
364 naptr->order = uint16_fromregion(&r);
365 isc_region_consume(&r, 2);
367 naptr->preference = uint16_fromregion(&r);
368 isc_region_consume(&r, 2);
370 naptr->flags_len = uint8_fromregion(&r);
371 isc_region_consume(&r, 1);
372 INSIST(naptr->flags_len <= r.length);
373 naptr->flags = mem_maybedup(mctx, r.base, naptr->flags_len);
374 if (naptr->flags == NULL)
376 isc_region_consume(&r, naptr->flags_len);
378 naptr->service_len = uint8_fromregion(&r);
379 isc_region_consume(&r, 1);
380 INSIST(naptr->service_len <= r.length);
381 naptr->service = mem_maybedup(mctx, r.base, naptr->service_len);
382 if (naptr->service == NULL)
384 isc_region_consume(&r, naptr->service_len);
386 naptr->regexp_len = uint8_fromregion(&r);
387 isc_region_consume(&r, 1);
388 INSIST(naptr->regexp_len <= r.length);
389 naptr->regexp = mem_maybedup(mctx, r.base, naptr->regexp_len);
390 if (naptr->regexp == NULL)
392 isc_region_consume(&r, naptr->regexp_len);
394 dns_name_init(&name, NULL);
395 dns_name_fromregion(&name, &r);
396 dns_name_init(&naptr->replacement, NULL);
397 result = name_duporclone(&name, mctx, &naptr->replacement);
398 if (result != ISC_R_SUCCESS)
401 return (ISC_R_SUCCESS);
404 if (mctx != NULL && naptr->flags != NULL)
405 isc_mem_free(mctx, naptr->flags);
406 if (mctx != NULL && naptr->service != NULL)
407 isc_mem_free(mctx, naptr->service);
408 if (mctx != NULL && naptr->regexp != NULL)
409 isc_mem_free(mctx, naptr->regexp);
410 return (ISC_R_NOMEMORY);
414 freestruct_in_naptr(ARGS_FREESTRUCT) {
415 dns_rdata_in_naptr_t *naptr = source;
417 REQUIRE(source != NULL);
418 REQUIRE(naptr->common.rdclass == 1);
419 REQUIRE(naptr->common.rdtype == 35);
421 if (naptr->mctx == NULL)
424 if (naptr->flags != NULL)
425 isc_mem_free(naptr->mctx, naptr->flags);
426 if (naptr->service != NULL)
427 isc_mem_free(naptr->mctx, naptr->service);
428 if (naptr->regexp != NULL)
429 isc_mem_free(naptr->mctx, naptr->regexp);
430 dns_name_free(&naptr->replacement, naptr->mctx);
434 static inline isc_result_t
435 additionaldata_in_naptr(ARGS_ADDLDATA) {
437 dns_offsets_t offsets;
439 dns_rdatatype_t atype;
440 unsigned int i, flagslen;
443 REQUIRE(rdata->type == 35);
444 REQUIRE(rdata->rdclass == 1);
449 dns_rdata_toregion(rdata, &sr);
450 isc_region_consume(&sr, 4);
456 flagslen = sr.base[0];
457 cp = (char *)&sr.base[1];
458 for (i = 0; i < flagslen; i++, cp++) {
459 if (*cp == 'S' || *cp == 's') {
460 atype = dns_rdatatype_srv;
463 if (*cp == 'A' || *cp == 'a') {
464 atype = dns_rdatatype_a;
468 isc_region_consume(&sr, flagslen + 1);
473 isc_region_consume(&sr, sr.base[0] + 1);
478 isc_region_consume(&sr, sr.base[0] + 1);
483 dns_name_init(&name, offsets);
484 dns_name_fromregion(&name, &sr);
487 return ((add)(arg, &name, atype));
489 return (ISC_R_SUCCESS);
492 static inline isc_result_t
493 digest_in_naptr(ARGS_DIGEST) {
495 unsigned int length, n;
499 REQUIRE(rdata->type == 35);
500 REQUIRE(rdata->rdclass == 1);
502 dns_rdata_toregion(rdata, &r1);
510 isc_region_consume(&r2, 4);
517 isc_region_consume(&r2, n);
524 isc_region_consume(&r2, n);
531 isc_region_consume(&r2, n);
534 * Digest the RR up to the replacement name.
537 result = (digest)(arg, &r1);
538 if (result != ISC_R_SUCCESS)
545 dns_name_init(&name, NULL);
546 dns_name_fromregion(&name, &r2);
548 return (dns_name_digest(&name, digest, arg));
551 static inline isc_boolean_t
552 checkowner_in_naptr(ARGS_CHECKOWNER) {
555 REQUIRE(rdclass == 1);
565 static inline isc_boolean_t
566 checknames_in_naptr(ARGS_CHECKNAMES) {
568 REQUIRE(rdata->type == 35);
569 REQUIRE(rdata->rdclass == 1);
578 #endif /* RDATA_IN_1_NAPTR_35_C */