diff options
Diffstat (limited to 'lib/dns/rdata/generic/isdn_20.c')
| -rw-r--r-- | lib/dns/rdata/generic/isdn_20.c | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/lib/dns/rdata/generic/isdn_20.c b/lib/dns/rdata/generic/isdn_20.c new file mode 100644 index 0000000..3fd756a --- /dev/null +++ b/lib/dns/rdata/generic/isdn_20.c @@ -0,0 +1,247 @@ +/* + * 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. + */ + +/* RFC1183 */ + +#ifndef RDATA_GENERIC_ISDN_20_C +#define RDATA_GENERIC_ISDN_20_C + +#define RRTYPE_ISDN_ATTRIBUTES (0) + +static isc_result_t +fromtext_isdn(ARGS_FROMTEXT) { + isc_token_t token; + + REQUIRE(type == dns_rdatatype_isdn); + + UNUSED(type); + UNUSED(rdclass); + UNUSED(origin); + UNUSED(options); + UNUSED(callbacks); + + /* ISDN-address */ + RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_qstring, + false)); + RETTOK(txt_fromtext(&token.value.as_textregion, target)); + + /* sa: optional */ + RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_qstring, + true)); + if (token.type != isc_tokentype_string && + token.type != isc_tokentype_qstring) + { + isc_lex_ungettoken(lexer, &token); + return (ISC_R_SUCCESS); + } + RETTOK(txt_fromtext(&token.value.as_textregion, target)); + return (ISC_R_SUCCESS); +} + +static isc_result_t +totext_isdn(ARGS_TOTEXT) { + isc_region_t region; + + REQUIRE(rdata->type == dns_rdatatype_isdn); + REQUIRE(rdata->length != 0); + + UNUSED(tctx); + + dns_rdata_toregion(rdata, ®ion); + RETERR(txt_totext(®ion, true, target)); + if (region.length == 0) { + return (ISC_R_SUCCESS); + } + RETERR(str_totext(" ", target)); + return (txt_totext(®ion, true, target)); +} + +static isc_result_t +fromwire_isdn(ARGS_FROMWIRE) { + REQUIRE(type == dns_rdatatype_isdn); + + UNUSED(type); + UNUSED(dctx); + UNUSED(rdclass); + UNUSED(options); + + RETERR(txt_fromwire(source, target)); + if (buffer_empty(source)) { + return (ISC_R_SUCCESS); + } + return (txt_fromwire(source, target)); +} + +static isc_result_t +towire_isdn(ARGS_TOWIRE) { + UNUSED(cctx); + + REQUIRE(rdata->type == dns_rdatatype_isdn); + REQUIRE(rdata->length != 0); + + return (mem_tobuffer(target, rdata->data, rdata->length)); +} + +static int +compare_isdn(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_isdn); + REQUIRE(rdata1->length != 0); + REQUIRE(rdata2->length != 0); + + dns_rdata_toregion(rdata1, &r1); + dns_rdata_toregion(rdata2, &r2); + return (isc_region_compare(&r1, &r2)); +} + +static isc_result_t +fromstruct_isdn(ARGS_FROMSTRUCT) { + dns_rdata_isdn_t *isdn = source; + + REQUIRE(type == dns_rdatatype_isdn); + REQUIRE(isdn != NULL); + REQUIRE(isdn->common.rdtype == type); + REQUIRE(isdn->common.rdclass == rdclass); + + UNUSED(type); + UNUSED(rdclass); + + RETERR(uint8_tobuffer(isdn->isdn_len, target)); + RETERR(mem_tobuffer(target, isdn->isdn, isdn->isdn_len)); + if (isdn->subaddress == NULL) { + return (ISC_R_SUCCESS); + } + RETERR(uint8_tobuffer(isdn->subaddress_len, target)); + return (mem_tobuffer(target, isdn->subaddress, isdn->subaddress_len)); +} + +static isc_result_t +tostruct_isdn(ARGS_TOSTRUCT) { + dns_rdata_isdn_t *isdn = target; + isc_region_t r; + + REQUIRE(rdata->type == dns_rdatatype_isdn); + REQUIRE(isdn != NULL); + REQUIRE(rdata->length != 0); + + isdn->common.rdclass = rdata->rdclass; + isdn->common.rdtype = rdata->type; + ISC_LINK_INIT(&isdn->common, link); + + dns_rdata_toregion(rdata, &r); + + isdn->isdn_len = uint8_fromregion(&r); + isc_region_consume(&r, 1); + isdn->isdn = mem_maybedup(mctx, r.base, isdn->isdn_len); + if (isdn->isdn == NULL) { + return (ISC_R_NOMEMORY); + } + isc_region_consume(&r, isdn->isdn_len); + + if (r.length == 0) { + isdn->subaddress_len = 0; + isdn->subaddress = NULL; + } else { + isdn->subaddress_len = uint8_fromregion(&r); + isc_region_consume(&r, 1); + isdn->subaddress = mem_maybedup(mctx, r.base, + isdn->subaddress_len); + if (isdn->subaddress == NULL) { + goto cleanup; + } + } + + isdn->mctx = mctx; + return (ISC_R_SUCCESS); + +cleanup: + if (mctx != NULL && isdn->isdn != NULL) { + isc_mem_free(mctx, isdn->isdn); + } + return (ISC_R_NOMEMORY); +} + +static void +freestruct_isdn(ARGS_FREESTRUCT) { + dns_rdata_isdn_t *isdn = source; + + REQUIRE(isdn != NULL); + + if (isdn->mctx == NULL) { + return; + } + + if (isdn->isdn != NULL) { + isc_mem_free(isdn->mctx, isdn->isdn); + } + if (isdn->subaddress != NULL) { + isc_mem_free(isdn->mctx, isdn->subaddress); + } + isdn->mctx = NULL; +} + +static isc_result_t +additionaldata_isdn(ARGS_ADDLDATA) { + REQUIRE(rdata->type == dns_rdatatype_isdn); + + UNUSED(rdata); + UNUSED(add); + UNUSED(arg); + + return (ISC_R_SUCCESS); +} + +static isc_result_t +digest_isdn(ARGS_DIGEST) { + isc_region_t r; + + REQUIRE(rdata->type == dns_rdatatype_isdn); + + dns_rdata_toregion(rdata, &r); + + return ((digest)(arg, &r)); +} + +static bool +checkowner_isdn(ARGS_CHECKOWNER) { + REQUIRE(type == dns_rdatatype_isdn); + + UNUSED(name); + UNUSED(type); + UNUSED(rdclass); + UNUSED(wildcard); + + return (true); +} + +static bool +checknames_isdn(ARGS_CHECKNAMES) { + REQUIRE(rdata->type == dns_rdatatype_isdn); + + UNUSED(rdata); + UNUSED(owner); + UNUSED(bad); + + return (true); +} + +static int +casecompare_isdn(ARGS_COMPARE) { + return (compare_isdn(rdata1, rdata2)); +} + +#endif /* RDATA_GENERIC_ISDN_20_C */ |