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/*
* Copyright (C) 1998-2001 Internet Software Consortium.
*
* Permission to use, copy, modify, and 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 INTERNET SOFTWARE CONSORTIUM
* DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
* INTERNET SOFTWARE CONSORTIUM 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.
*/
/* $ISC: ns_2.c,v 1.42 2001/07/16 03:06:20 marka 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;
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, downcase, target));
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, downcase, 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));
}
#endif /* RDATA_GENERIC_NS_2_C */
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