talink_58.c revision 0c27b3fe77ac1d5094ba3521e8142d9e7973133f
/*
* Copyright (C) 2015, 2016 Internet Systems Consortium, Inc. ("ISC")
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#ifndef RDATA_GENERIC_TALINK_58_C
#define RDATA_GENERIC_TALINK_58_C
#define RRTYPE_TALINK_ATTRIBUTES 0
static inline isc_result_t
fromtext_talink(ARGS_FROMTEXT) {
isc_token_t token;
dns_name_t name;
isc_buffer_t buffer;
int i;
REQUIRE(type == dns_rdatatype_talink);
UNUSED(type);
UNUSED(rdclass);
UNUSED(callbacks);
if (origin == NULL)
origin = dns_rootname;
for (i = 0; i < 2; i++) {
RETERR(isc_lex_getmastertoken(lexer, &token,
isc_tokentype_string,
ISC_FALSE));
dns_name_init(&name, NULL);
buffer_fromregion(&buffer, &token.value.as_region);
RETTOK(dns_name_fromtext(&name, &buffer, origin,
options, target));
}
return (ISC_R_SUCCESS);
}
static inline isc_result_t
totext_talink(ARGS_TOTEXT) {
isc_region_t dregion;
dns_name_t prev;
dns_name_t next;
dns_name_t prefix;
isc_boolean_t sub;
REQUIRE(rdata->type == dns_rdatatype_talink);
REQUIRE(rdata->length != 0);
dns_name_init(&prev, NULL);
dns_name_init(&next, NULL);
dns_name_init(&prefix, NULL);
dns_rdata_toregion(rdata, &dregion);
dns_name_fromregion(&prev, &dregion);
isc_region_consume(&dregion, name_length(&prev));
dns_name_fromregion(&next, &dregion);
isc_region_consume(&dregion, name_length(&next));
sub = name_prefix(&prev, tctx->origin, &prefix);
RETERR(dns_name_totext(&prefix, sub, target));
RETERR(str_totext(" ", target));
sub = name_prefix(&next, tctx->origin, &prefix);
return(dns_name_totext(&prefix, sub, target));
}
static inline isc_result_t
fromwire_talink(ARGS_FROMWIRE) {
dns_name_t prev;
dns_name_t next;
REQUIRE(type == dns_rdatatype_talink);
UNUSED(type);
UNUSED(rdclass);
dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
dns_name_init(&prev, NULL);
dns_name_init(&next, NULL);
RETERR(dns_name_fromwire(&prev, source, dctx, options, target));
return(dns_name_fromwire(&next, source, dctx, options, target));
}
static inline isc_result_t
towire_talink(ARGS_TOWIRE) {
isc_region_t sregion;
dns_name_t prev;
dns_name_t next;
dns_offsets_t moffsets;
dns_offsets_t roffsets;
REQUIRE(rdata->type == dns_rdatatype_talink);
REQUIRE(rdata->length != 0);
dns_compress_setmethods(cctx, DNS_COMPRESS_NONE);
dns_name_init(&prev, moffsets);
dns_name_init(&next, roffsets);
dns_rdata_toregion(rdata, &sregion);
dns_name_fromregion(&prev, &sregion);
isc_region_consume(&sregion, name_length(&prev));
RETERR(dns_name_towire(&prev, cctx, target));
dns_name_fromregion(&next, &sregion);
isc_region_consume(&sregion, name_length(&next));
return(dns_name_towire(&next, cctx, target));
}
static inline int
compare_talink(ARGS_COMPARE) {
isc_region_t region1;
isc_region_t region2;
REQUIRE(rdata1->type == rdata2->type);
REQUIRE(rdata1->rdclass == rdata2->rdclass);
REQUIRE(rdata1->type == dns_rdatatype_talink);
REQUIRE(rdata1->length != 0);
REQUIRE(rdata2->length != 0);
dns_rdata_toregion(rdata1, &region1);
dns_rdata_toregion(rdata2, &region2);
return (isc_region_compare(&region1, &region2));
}
static inline isc_result_t
fromstruct_talink(ARGS_FROMSTRUCT) {
dns_rdata_talink_t *talink = source;
isc_region_t region;
REQUIRE(type == dns_rdatatype_talink);
REQUIRE(source != NULL);
REQUIRE(talink->common.rdtype == type);
REQUIRE(talink->common.rdclass == rdclass);
UNUSED(type);
UNUSED(rdclass);
dns_name_toregion(&talink->prev, &region);
RETERR(isc_buffer_copyregion(target, &region));
dns_name_toregion(&talink->next, &region);
return(isc_buffer_copyregion(target, &region));
}
static inline isc_result_t
tostruct_talink(ARGS_TOSTRUCT) {
isc_region_t region;
dns_rdata_talink_t *talink = target;
dns_name_t name;
isc_result_t result;
REQUIRE(rdata->type == dns_rdatatype_talink);
REQUIRE(target != NULL);
REQUIRE(rdata->length != 0);
talink->common.rdclass = rdata->rdclass;
talink->common.rdtype = rdata->type;
ISC_LINK_INIT(&talink->common, link);
dns_rdata_toregion(rdata, &region);
dns_name_init(&name, NULL);
dns_name_fromregion(&name, &region);
isc_region_consume(&region, name_length(&name));
dns_name_init(&talink->prev, NULL);
RETERR(name_duporclone(&name, mctx, &talink->prev));
dns_name_fromregion(&name, &region);
isc_region_consume(&region, name_length(&name));
dns_name_init(&talink->next, NULL);
result = name_duporclone(&name, mctx, &talink->next);
if (result != ISC_R_SUCCESS)
goto cleanup;
talink->mctx = mctx;
return (ISC_R_SUCCESS);
cleanup:
if (mctx != NULL)
dns_name_free(&talink->prev, mctx);
return (ISC_R_NOMEMORY);
}
static inline void
freestruct_talink(ARGS_FREESTRUCT) {
dns_rdata_talink_t *talink = source;
REQUIRE(source != NULL);
REQUIRE(talink->common.rdtype == dns_rdatatype_talink);
if (talink->mctx == NULL)
return;
dns_name_free(&talink->prev, talink->mctx);
dns_name_free(&talink->next, talink->mctx);
talink->mctx = NULL;
}
static inline isc_result_t
additionaldata_talink(ARGS_ADDLDATA) {
UNUSED(rdata);
UNUSED(add);
UNUSED(arg);
REQUIRE(rdata->type == dns_rdatatype_talink);
return (ISC_R_SUCCESS);
}
static inline isc_result_t
digest_talink(ARGS_DIGEST) {
isc_region_t r;
REQUIRE(rdata->type == dns_rdatatype_talink);
dns_rdata_toregion(rdata, &r);
return ((digest)(arg, &r));
}
static inline isc_boolean_t
checkowner_talink(ARGS_CHECKOWNER) {
REQUIRE(type == dns_rdatatype_talink);
UNUSED(name);
UNUSED(type);
UNUSED(rdclass);
UNUSED(wildcard);
return (ISC_TRUE);
}
static inline isc_boolean_t
checknames_talink(ARGS_CHECKNAMES) {
REQUIRE(rdata->type == dns_rdatatype_talink);
UNUSED(bad);
UNUSED(owner);
return (ISC_TRUE);
}
static inline int
casecompare_talink(ARGS_COMPARE) {
return (compare_talink(rdata1, rdata2));
}
#endif /* RDATA_GENERIC_TALINK_58_C */