/contrib/bind9/lib/dns/rdata/generic/ns_2.c
https://bitbucket.org/freebsd/freebsd-head/ · C · 256 lines · 177 code · 61 blank · 18 comment · 37 complexity · 51a84af013a1f6659f30a3c3964e87b4 MD5 · raw file
- /*
- * Copyright (C) 2004, 2007, 2009 Internet Systems Consortium, Inc. ("ISC")
- * Copyright (C) 1998-2001 Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
- /* $Id: ns_2.c,v 1.48 2009/12/04 22:06:37 tbox Exp $ */
- /* Reviewed: Wed Mar 15 18:15:00 PST 2000 by bwelling */
- #ifndef RDATA_GENERIC_NS_2_C
- #define RDATA_GENERIC_NS_2_C
- #define RRTYPE_NS_ATTRIBUTES (DNS_RDATATYPEATTR_ZONECUTAUTH)
- static inline isc_result_t
- fromtext_ns(ARGS_FROMTEXT) {
- isc_token_t token;
- dns_name_t name;
- isc_buffer_t buffer;
- isc_boolean_t ok;
- REQUIRE(type == 2);
- UNUSED(type);
- UNUSED(rdclass);
- UNUSED(callbacks);
- RETERR(isc_lex_getmastertoken(lexer, &token,isc_tokentype_string,
- ISC_FALSE));
- dns_name_init(&name, NULL);
- buffer_fromregion(&buffer, &token.value.as_region);
- origin = (origin != NULL) ? origin : dns_rootname;
- RETTOK(dns_name_fromtext(&name, &buffer, origin, options, target));
- ok = ISC_TRUE;
- if ((options & DNS_RDATA_CHECKNAMES) != 0)
- ok = dns_name_ishostname(&name, ISC_FALSE);
- if (!ok && (options & DNS_RDATA_CHECKNAMESFAIL) != 0)
- RETTOK(DNS_R_BADNAME);
- if (!ok && callbacks != NULL)
- warn_badname(&name, lexer, callbacks);
- return (ISC_R_SUCCESS);
- }
- static inline isc_result_t
- totext_ns(ARGS_TOTEXT) {
- isc_region_t region;
- dns_name_t name;
- dns_name_t prefix;
- isc_boolean_t sub;
- REQUIRE(rdata->type == 2);
- REQUIRE(rdata->length != 0);
- dns_name_init(&name, NULL);
- dns_name_init(&prefix, NULL);
- dns_rdata_toregion(rdata, ®ion);
- dns_name_fromregion(&name, ®ion);
- sub = name_prefix(&name, tctx->origin, &prefix);
- return (dns_name_totext(&prefix, sub, target));
- }
- static inline isc_result_t
- fromwire_ns(ARGS_FROMWIRE) {
- dns_name_t name;
- REQUIRE(type == 2);
- UNUSED(type);
- UNUSED(rdclass);
- dns_decompress_setmethods(dctx, DNS_COMPRESS_GLOBAL14);
- dns_name_init(&name, NULL);
- return (dns_name_fromwire(&name, source, dctx, options, target));
- }
- static inline isc_result_t
- towire_ns(ARGS_TOWIRE) {
- dns_name_t name;
- dns_offsets_t offsets;
- isc_region_t region;
- REQUIRE(rdata->type == 2);
- REQUIRE(rdata->length != 0);
- dns_compress_setmethods(cctx, DNS_COMPRESS_GLOBAL14);
- dns_name_init(&name, offsets);
- dns_rdata_toregion(rdata, ®ion);
- dns_name_fromregion(&name, ®ion);
- return (dns_name_towire(&name, cctx, target));
- }
- static inline int
- compare_ns(ARGS_COMPARE) {
- dns_name_t name1;
- dns_name_t name2;
- isc_region_t region1;
- isc_region_t region2;
- REQUIRE(rdata1->type == rdata2->type);
- REQUIRE(rdata1->rdclass == rdata2->rdclass);
- REQUIRE(rdata1->type == 2);
- REQUIRE(rdata1->length != 0);
- REQUIRE(rdata2->length != 0);
- dns_name_init(&name1, NULL);
- dns_name_init(&name2, NULL);
- dns_rdata_toregion(rdata1, ®ion1);
- dns_rdata_toregion(rdata2, ®ion2);
- dns_name_fromregion(&name1, ®ion1);
- dns_name_fromregion(&name2, ®ion2);
- return (dns_name_rdatacompare(&name1, &name2));
- }
- static inline isc_result_t
- fromstruct_ns(ARGS_FROMSTRUCT) {
- dns_rdata_ns_t *ns = source;
- isc_region_t region;
- REQUIRE(type == 2);
- REQUIRE(source != NULL);
- REQUIRE(ns->common.rdtype == type);
- REQUIRE(ns->common.rdclass == rdclass);
- UNUSED(type);
- UNUSED(rdclass);
- dns_name_toregion(&ns->name, ®ion);
- return (isc_buffer_copyregion(target, ®ion));
- }
- static inline isc_result_t
- tostruct_ns(ARGS_TOSTRUCT) {
- isc_region_t region;
- dns_rdata_ns_t *ns = target;
- dns_name_t name;
- REQUIRE(rdata->type == 2);
- REQUIRE(target != NULL);
- REQUIRE(rdata->length != 0);
- ns->common.rdclass = rdata->rdclass;
- ns->common.rdtype = rdata->type;
- ISC_LINK_INIT(&ns->common, link);
- dns_name_init(&name, NULL);
- dns_rdata_toregion(rdata, ®ion);
- dns_name_fromregion(&name, ®ion);
- dns_name_init(&ns->name, NULL);
- RETERR(name_duporclone(&name, mctx, &ns->name));
- ns->mctx = mctx;
- return (ISC_R_SUCCESS);
- }
- static inline void
- freestruct_ns(ARGS_FREESTRUCT) {
- dns_rdata_ns_t *ns = source;
- REQUIRE(source != NULL);
- if (ns->mctx == NULL)
- return;
- dns_name_free(&ns->name, ns->mctx);
- ns->mctx = NULL;
- }
- static inline isc_result_t
- additionaldata_ns(ARGS_ADDLDATA) {
- dns_name_t name;
- dns_offsets_t offsets;
- isc_region_t region;
- REQUIRE(rdata->type == 2);
- dns_name_init(&name, offsets);
- dns_rdata_toregion(rdata, ®ion);
- dns_name_fromregion(&name, ®ion);
- return ((add)(arg, &name, dns_rdatatype_a));
- }
- static inline isc_result_t
- digest_ns(ARGS_DIGEST) {
- isc_region_t r;
- dns_name_t name;
- REQUIRE(rdata->type == 2);
- dns_rdata_toregion(rdata, &r);
- dns_name_init(&name, NULL);
- dns_name_fromregion(&name, &r);
- return (dns_name_digest(&name, digest, arg));
- }
- static inline isc_boolean_t
- checkowner_ns(ARGS_CHECKOWNER) {
- REQUIRE(type == 2);
- UNUSED(name);
- UNUSED(type);
- UNUSED(rdclass);
- UNUSED(wildcard);
- return (ISC_TRUE);
- }
- static inline isc_boolean_t
- checknames_ns(ARGS_CHECKNAMES) {
- isc_region_t region;
- dns_name_t name;
- REQUIRE(rdata->type == 2);
- UNUSED(owner);
- dns_rdata_toregion(rdata, ®ion);
- dns_name_init(&name, NULL);
- dns_name_fromregion(&name, ®ion);
- if (!dns_name_ishostname(&name, ISC_FALSE)) {
- if (bad != NULL)
- dns_name_clone(&name, bad);
- return (ISC_FALSE);
- }
- return (ISC_TRUE);
- }
- static inline int
- casecompare_ns(ARGS_COMPARE) {
- return (compare_ns(rdata1, rdata2));
- }
- #endif /* RDATA_GENERIC_NS_2_C */