/* $NetBSD: isdn_20.c,v 1.3.4.1 2024/02/29 12:34:42 martin Exp $ */ /* * 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(owner); 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 */