diff options
Diffstat (limited to 'lib/dns/rdata/generic/talink_58.c')
| -rw-r--r-- | lib/dns/rdata/generic/talink_58.c | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/lib/dns/rdata/generic/talink_58.c b/lib/dns/rdata/generic/talink_58.c new file mode 100644 index 0000000..49ad8df --- /dev/null +++ b/lib/dns/rdata/generic/talink_58.c @@ -0,0 +1,258 @@ +/* + * Copyright (C) Internet Systems Consortium, Inc. ("ISC") + * + * SPDX-License-Identifier: MPL-2.0 + * + * 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 https://mozilla.org/MPL/2.0/. + * + * See the COPYRIGHT file distributed with this work for additional + * information regarding copyright ownership. + */ + +#ifndef RDATA_GENERIC_TALINK_58_C +#define RDATA_GENERIC_TALINK_58_C + +#define RRTYPE_TALINK_ATTRIBUTES 0 + +static 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, 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 isc_result_t +totext_talink(ARGS_TOTEXT) { + isc_region_t dregion; + dns_name_t prev; + dns_name_t next; + dns_name_t prefix; + bool 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 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 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 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, ®ion1); + dns_rdata_toregion(rdata2, ®ion2); + return (isc_region_compare(®ion1, ®ion2)); +} + +static isc_result_t +fromstruct_talink(ARGS_FROMSTRUCT) { + dns_rdata_talink_t *talink = source; + isc_region_t region; + + REQUIRE(type == dns_rdatatype_talink); + REQUIRE(talink != NULL); + REQUIRE(talink->common.rdtype == type); + REQUIRE(talink->common.rdclass == rdclass); + + UNUSED(type); + UNUSED(rdclass); + + dns_name_toregion(&talink->prev, ®ion); + RETERR(isc_buffer_copyregion(target, ®ion)); + dns_name_toregion(&talink->next, ®ion); + return (isc_buffer_copyregion(target, ®ion)); +} + +static isc_result_t +tostruct_talink(ARGS_TOSTRUCT) { + isc_region_t region; + dns_rdata_talink_t *talink = target; + dns_name_t name; + + REQUIRE(rdata->type == dns_rdatatype_talink); + REQUIRE(talink != 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, ®ion); + + dns_name_init(&name, NULL); + dns_name_fromregion(&name, ®ion); + isc_region_consume(®ion, name_length(&name)); + dns_name_init(&talink->prev, NULL); + name_duporclone(&name, mctx, &talink->prev); + + dns_name_fromregion(&name, ®ion); + isc_region_consume(®ion, name_length(&name)); + dns_name_init(&talink->next, NULL); + name_duporclone(&name, mctx, &talink->next); + + talink->mctx = mctx; + return (ISC_R_SUCCESS); +} + +static void +freestruct_talink(ARGS_FREESTRUCT) { + dns_rdata_talink_t *talink = source; + + REQUIRE(talink != 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 isc_result_t +additionaldata_talink(ARGS_ADDLDATA) { + REQUIRE(rdata->type == dns_rdatatype_talink); + + UNUSED(rdata); + UNUSED(owner); + UNUSED(add); + UNUSED(arg); + + return (ISC_R_SUCCESS); +} + +static 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 bool +checkowner_talink(ARGS_CHECKOWNER) { + REQUIRE(type == dns_rdatatype_talink); + + UNUSED(name); + UNUSED(type); + UNUSED(rdclass); + UNUSED(wildcard); + + return (true); +} + +static bool +checknames_talink(ARGS_CHECKNAMES) { + REQUIRE(rdata->type == dns_rdatatype_talink); + + UNUSED(bad); + UNUSED(owner); + + return (true); +} + +static int +casecompare_talink(ARGS_COMPARE) { + return (compare_talink(rdata1, rdata2)); +} + +#endif /* RDATA_GENERIC_TALINK_58_C */ |