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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* 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: aaaa_28.c,v 1.3 2020/02/23 19:54:26 jung Exp $ */
/* Reviewed: Thu Mar 16 16:52:50 PST 2000 by bwelling */
/* RFC1886 */
#ifndef RDATA_IN_1_AAAA_28_C
#define RDATA_IN_1_AAAA_28_C
#include <isc/net.h>
#define RRTYPE_AAAA_ATTRIBUTES (0)
static inline isc_result_t
totext_in_aaaa(ARGS_TOTEXT) {
isc_region_t region;
UNUSED(tctx);
REQUIRE(rdata->type == dns_rdatatype_aaaa);
REQUIRE(rdata->rdclass == dns_rdataclass_in);
REQUIRE(rdata->length == 16);
dns_rdata_toregion(rdata, ®ion);
return (inet_totext(AF_INET6, ®ion, target));
}
static inline isc_result_t
fromwire_in_aaaa(ARGS_FROMWIRE) {
isc_region_t sregion;
isc_region_t tregion;
REQUIRE(type == dns_rdatatype_aaaa);
REQUIRE(rdclass == dns_rdataclass_in);
UNUSED(type);
UNUSED(dctx);
UNUSED(options);
UNUSED(rdclass);
isc_buffer_activeregion(source, &sregion);
isc_buffer_availableregion(target, &tregion);
if (sregion.length < 16)
return (ISC_R_UNEXPECTEDEND);
if (tregion.length < 16)
return (ISC_R_NOSPACE);
memmove(tregion.base, sregion.base, 16);
isc_buffer_forward(source, 16);
isc_buffer_add(target, 16);
return (ISC_R_SUCCESS);
}
static inline isc_result_t
towire_in_aaaa(ARGS_TOWIRE) {
isc_region_t region;
UNUSED(cctx);
REQUIRE(rdata->type == dns_rdatatype_aaaa);
REQUIRE(rdata->rdclass == dns_rdataclass_in);
REQUIRE(rdata->length == 16);
isc_buffer_availableregion(target, ®ion);
if (region.length < rdata->length)
return (ISC_R_NOSPACE);
memmove(region.base, rdata->data, rdata->length);
isc_buffer_add(target, 16);
return (ISC_R_SUCCESS);
}
static inline int
compare_in_aaaa(ARGS_COMPARE) {
isc_region_t r1;
isc_region_t r2;
REQUIRE(rdata1->type == rdata2->type);
REQUIRE(rdata1->rdclass == rdata2->rdclass);
REQUIRE(rdata1->type == dns_rdatatype_aaaa);
REQUIRE(rdata1->rdclass == dns_rdataclass_in);
REQUIRE(rdata1->length == 16);
REQUIRE(rdata2->length == 16);
dns_rdata_toregion(rdata1, &r1);
dns_rdata_toregion(rdata2, &r2);
return (isc_region_compare(&r1, &r2));
}
static inline isc_result_t
fromstruct_in_aaaa(ARGS_FROMSTRUCT) {
dns_rdata_in_aaaa_t *aaaa = source;
REQUIRE(type == dns_rdatatype_aaaa);
REQUIRE(rdclass == dns_rdataclass_in);
REQUIRE(source != NULL);
REQUIRE(aaaa->common.rdtype == type);
REQUIRE(aaaa->common.rdclass == rdclass);
UNUSED(type);
UNUSED(rdclass);
return (mem_tobuffer(target, aaaa->in6_addr.s6_addr, 16));
}
static inline isc_result_t
tostruct_in_aaaa(ARGS_TOSTRUCT) {
dns_rdata_in_aaaa_t *aaaa = target;
isc_region_t r;
REQUIRE(rdata->type == dns_rdatatype_aaaa);
REQUIRE(rdata->rdclass == dns_rdataclass_in);
REQUIRE(target != NULL);
REQUIRE(rdata->length == 16);
aaaa->common.rdclass = rdata->rdclass;
aaaa->common.rdtype = rdata->type;
ISC_LINK_INIT(&aaaa->common, link);
dns_rdata_toregion(rdata, &r);
INSIST(r.length == 16);
memmove(aaaa->in6_addr.s6_addr, r.base, 16);
return (ISC_R_SUCCESS);
}
static inline void
freestruct_in_aaaa(ARGS_FREESTRUCT) {
dns_rdata_in_aaaa_t *aaaa = source;
REQUIRE(source != NULL);
REQUIRE(aaaa->common.rdclass == dns_rdataclass_in);
REQUIRE(aaaa->common.rdtype == dns_rdatatype_aaaa);
UNUSED(aaaa);
}
static inline isc_boolean_t
checkowner_in_aaaa(ARGS_CHECKOWNER) {
dns_name_t prefix, suffix;
REQUIRE(type == dns_rdatatype_aaaa);
REQUIRE(rdclass == dns_rdataclass_in);
UNUSED(type);
UNUSED(rdclass);
/*
* Handle Active Diretory gc._msdcs.<forest> name.
*/
if (dns_name_countlabels(name) > 2U) {
dns_name_init(&prefix, NULL);
dns_name_init(&suffix, NULL);
dns_name_split(name, dns_name_countlabels(name) - 2,
&prefix, &suffix);
if (dns_name_equal(&gc_msdcs, &prefix) &&
dns_name_ishostname(&suffix, ISC_FALSE))
return (ISC_TRUE);
}
return (dns_name_ishostname(name, wildcard));
}
static inline int
casecompare_in_aaaa(ARGS_COMPARE) {
return (compare_in_aaaa(rdata1, rdata2));
}
#endif /* RDATA_IN_1_AAAA_28_C */
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