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/*
* Copyright (C) 1998, 1999, 2000 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.
*/
/* $Id: ns_2.c,v 1.21 2000/02/03 23:43:03 halley Exp $ */
#ifndef RDATA_GENERIC_NS_2_C
#define RDATA_GENERIC_NS_2_C
static inline isc_result_t
fromtext_ns(dns_rdataclass_t rdclass, dns_rdatatype_t type,
isc_lex_t *lexer, dns_name_t *origin,
isc_boolean_t downcase, isc_buffer_t *target)
{
isc_token_t token;
dns_name_t name;
isc_buffer_t buffer;
REQUIRE(type == 2);
UNUSED(rdclass);
RETERR(gettoken(lexer, &token,isc_tokentype_string, ISC_FALSE));
dns_name_init(&name, NULL);
buffer_fromregion(&buffer, &token.value.as_region,
ISC_BUFFERTYPE_TEXT);
origin = (origin != NULL) ? origin : dns_rootname;
return (dns_name_fromtext(&name, &buffer, origin, downcase, target));
}
static inline isc_result_t
totext_ns(dns_rdata_t *rdata, dns_rdata_textctx_t *tctx,
isc_buffer_t *target)
{
isc_region_t region;
dns_name_t name;
dns_name_t prefix;
isc_boolean_t sub;
REQUIRE(rdata->type == 2);
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(dns_rdataclass_t rdclass, dns_rdatatype_t type,
isc_buffer_t *source, dns_decompress_t *dctx,
isc_boolean_t downcase, isc_buffer_t *target)
{
dns_name_t name;
REQUIRE(type == 2);
UNUSED(rdclass);
if (dns_decompress_edns(dctx) >= 1 || !dns_decompress_strict(dctx))
dns_decompress_setmethods(dctx, DNS_COMPRESS_ALL);
else
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(dns_rdata_t *rdata, dns_compress_t *cctx, isc_buffer_t *target) {
dns_name_t name;
isc_region_t region;
REQUIRE(rdata->type == 2);
if (dns_compress_getedns(cctx) >= 1)
dns_compress_setmethods(cctx, DNS_COMPRESS_ALL);
else
dns_compress_setmethods(cctx, DNS_COMPRESS_GLOBAL14);
dns_name_init(&name, NULL);
dns_rdata_toregion(rdata, ®ion);
dns_name_fromregion(&name, ®ion);
return (dns_name_towire(&name, cctx, target));
}
static inline int
compare_ns(dns_rdata_t *rdata1, dns_rdata_t *rdata2) {
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);
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(dns_rdataclass_t rdclass, dns_rdatatype_t type, void *source,
isc_buffer_t *target)
{
REQUIRE(type == 2);
rdclass = rdclass; /*unused*/
source = source;
target = target;
return (DNS_R_NOTIMPLEMENTED);
}
static inline isc_result_t
tostruct_ns(dns_rdata_t *rdata, void *target, isc_mem_t *mctx) {
isc_region_t region;
dns_rdata_ns_t *ns = target;
dns_name_t name;
isc_result_t result;
REQUIRE(rdata->type == 2);
REQUIRE(target != NULL);
REQUIRE(mctx != NULL);
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);
ns->mctx = mctx;
dns_name_init(&ns->name, NULL);
result = dns_name_dup(&name, ns->mctx, &ns->name);
if (result != ISC_R_SUCCESS)
ns->mctx = NULL;
return (result);
}
static inline void
freestruct_ns(void *source) {
dns_rdata_ns_t *ns = source;
REQUIRE(source != NULL);
dns_name_free(&ns->name, ns->mctx);
ns->mctx = NULL;
}
static inline isc_result_t
additionaldata_ns(dns_rdata_t *rdata, dns_additionaldatafunc_t add,
void *arg)
{
dns_name_t name;
isc_region_t region;
REQUIRE(rdata->type == 2);
dns_name_init(&name, NULL);
dns_rdata_toregion(rdata, ®ion);
dns_name_fromregion(&name, ®ion);
return ((add)(arg, &name, dns_rdatatype_a));
}
static inline isc_result_t
digest_ns(dns_rdata_t *rdata, dns_digestfunc_t digest, void *arg) {
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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