/* $NetBSD: a_1.c,v 1.8.2.1 2024/02/25 15:47:06 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. */ #pragma once #include #define RRTYPE_A_ATTRIBUTES (0) static isc_result_t fromtext_hs_a(ARGS_FROMTEXT) { isc_token_t token; struct in_addr addr; isc_region_t region; REQUIRE(type == dns_rdatatype_a); REQUIRE(rdclass == dns_rdataclass_hs); UNUSED(type); UNUSED(origin); UNUSED(options); UNUSED(rdclass); UNUSED(callbacks); RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, false)); if (inet_pton(AF_INET, DNS_AS_STR(token), &addr) != 1) { RETTOK(DNS_R_BADDOTTEDQUAD); } isc_buffer_availableregion(target, ®ion); if (region.length < 4) { return (ISC_R_NOSPACE); } memmove(region.base, &addr, 4); isc_buffer_add(target, 4); return (ISC_R_SUCCESS); } static isc_result_t totext_hs_a(ARGS_TOTEXT) { isc_region_t region; REQUIRE(rdata->type == dns_rdatatype_a); REQUIRE(rdata->rdclass == dns_rdataclass_hs); REQUIRE(rdata->length == 4); UNUSED(tctx); dns_rdata_toregion(rdata, ®ion); return (inet_totext(AF_INET, tctx->flags, ®ion, target)); } static isc_result_t fromwire_hs_a(ARGS_FROMWIRE) { isc_region_t sregion; isc_region_t tregion; REQUIRE(type == dns_rdatatype_a); REQUIRE(rdclass == dns_rdataclass_hs); UNUSED(type); UNUSED(dctx); UNUSED(options); UNUSED(rdclass); isc_buffer_activeregion(source, &sregion); isc_buffer_availableregion(target, &tregion); if (sregion.length < 4) { return (ISC_R_UNEXPECTEDEND); } if (tregion.length < 4) { return (ISC_R_NOSPACE); } memmove(tregion.base, sregion.base, 4); isc_buffer_forward(source, 4); isc_buffer_add(target, 4); return (ISC_R_SUCCESS); } static isc_result_t towire_hs_a(ARGS_TOWIRE) { isc_region_t region; REQUIRE(rdata->type == dns_rdatatype_a); REQUIRE(rdata->rdclass == dns_rdataclass_hs); REQUIRE(rdata->length == 4); UNUSED(cctx); isc_buffer_availableregion(target, ®ion); if (region.length < rdata->length) { return (ISC_R_NOSPACE); } memmove(region.base, rdata->data, rdata->length); isc_buffer_add(target, 4); return (ISC_R_SUCCESS); } static int compare_hs_a(ARGS_COMPARE) { int order; REQUIRE(rdata1->type == rdata2->type); REQUIRE(rdata1->rdclass == rdata2->rdclass); REQUIRE(rdata1->type == dns_rdatatype_a); REQUIRE(rdata1->rdclass == dns_rdataclass_hs); REQUIRE(rdata1->length == 4); REQUIRE(rdata2->length == 4); order = memcmp(rdata1->data, rdata2->data, 4); if (order != 0) { order = (order < 0) ? -1 : 1; } return (order); } static isc_result_t fromstruct_hs_a(ARGS_FROMSTRUCT) { dns_rdata_hs_a_t *a = source; uint32_t n; REQUIRE(type == dns_rdatatype_a); REQUIRE(rdclass == dns_rdataclass_hs); REQUIRE(a != NULL); REQUIRE(a->common.rdtype == type); REQUIRE(a->common.rdclass == rdclass); UNUSED(type); UNUSED(rdclass); n = ntohl(a->in_addr.s_addr); return (uint32_tobuffer(n, target)); } static isc_result_t tostruct_hs_a(ARGS_TOSTRUCT) { dns_rdata_hs_a_t *a = target; uint32_t n; isc_region_t region; REQUIRE(rdata->type == dns_rdatatype_a); REQUIRE(rdata->rdclass == dns_rdataclass_hs); REQUIRE(rdata->length == 4); REQUIRE(a != NULL); UNUSED(mctx); a->common.rdclass = rdata->rdclass; a->common.rdtype = rdata->type; ISC_LINK_INIT(&a->common, link); dns_rdata_toregion(rdata, ®ion); n = uint32_fromregion(®ion); a->in_addr.s_addr = htonl(n); return (ISC_R_SUCCESS); } static void freestruct_hs_a(ARGS_FREESTRUCT) { UNUSED(source); REQUIRE(source != NULL); } static isc_result_t additionaldata_hs_a(ARGS_ADDLDATA) { REQUIRE(rdata->type == dns_rdatatype_a); REQUIRE(rdata->rdclass == dns_rdataclass_hs); UNUSED(rdata); UNUSED(owner); UNUSED(add); UNUSED(arg); return (ISC_R_SUCCESS); } static isc_result_t digest_hs_a(ARGS_DIGEST) { isc_region_t r; REQUIRE(rdata->type == dns_rdatatype_a); REQUIRE(rdata->rdclass == dns_rdataclass_hs); dns_rdata_toregion(rdata, &r); return ((digest)(arg, &r)); } static bool checkowner_hs_a(ARGS_CHECKOWNER) { REQUIRE(type == dns_rdatatype_a); REQUIRE(rdclass == dns_rdataclass_hs); UNUSED(name); UNUSED(type); UNUSED(rdclass); UNUSED(wildcard); return (true); } static bool checknames_hs_a(ARGS_CHECKNAMES) { REQUIRE(rdata->type == dns_rdatatype_a); REQUIRE(rdata->rdclass == dns_rdataclass_hs); UNUSED(rdata); UNUSED(owner); UNUSED(bad); return (true); } static int casecompare_hs_a(ARGS_COMPARE) { return (compare_hs_a(rdata1, rdata2)); }