/* $NetBSD: l32_105.c,v 1.8.2.1 2024/02/25 15:47:02 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. */ #ifndef RDATA_GENERIC_L32_105_C #define RDATA_GENERIC_L32_105_C #include #include #define RRTYPE_L32_ATTRIBUTES (0) static isc_result_t fromtext_l32(ARGS_FROMTEXT) { isc_token_t token; struct in_addr addr; isc_region_t region; REQUIRE(type == dns_rdatatype_l32); UNUSED(type); UNUSED(rdclass); UNUSED(origin); UNUSED(options); UNUSED(callbacks); RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number, false)); if (token.value.as_ulong > 0xffffU) { RETTOK(ISC_R_RANGE); } RETERR(uint16_tobuffer(token.value.as_ulong, target)); 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_l32(ARGS_TOTEXT) { isc_region_t region; char buf[sizeof("65000")]; unsigned short num; REQUIRE(rdata->type == dns_rdatatype_l32); REQUIRE(rdata->length == 6); UNUSED(tctx); dns_rdata_toregion(rdata, ®ion); num = uint16_fromregion(®ion); isc_region_consume(®ion, 2); snprintf(buf, sizeof(buf), "%u", num); RETERR(str_totext(buf, target)); RETERR(str_totext(" ", target)); return (inet_totext(AF_INET, tctx->flags, ®ion, target)); } static isc_result_t fromwire_l32(ARGS_FROMWIRE) { isc_region_t sregion; REQUIRE(type == dns_rdatatype_l32); UNUSED(type); UNUSED(options); UNUSED(rdclass); UNUSED(dctx); isc_buffer_activeregion(source, &sregion); if (sregion.length != 6) { return (DNS_R_FORMERR); } isc_buffer_forward(source, sregion.length); return (mem_tobuffer(target, sregion.base, sregion.length)); } static isc_result_t towire_l32(ARGS_TOWIRE) { REQUIRE(rdata->type == dns_rdatatype_l32); REQUIRE(rdata->length == 6); UNUSED(cctx); return (mem_tobuffer(target, rdata->data, rdata->length)); } static int compare_l32(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_l32); REQUIRE(rdata1->length == 6); REQUIRE(rdata2->length == 6); dns_rdata_toregion(rdata1, ®ion1); dns_rdata_toregion(rdata2, ®ion2); return (isc_region_compare(®ion1, ®ion2)); } static isc_result_t fromstruct_l32(ARGS_FROMSTRUCT) { dns_rdata_l32_t *l32 = source; uint32_t n; REQUIRE(type == dns_rdatatype_l32); REQUIRE(l32 != NULL); REQUIRE(l32->common.rdtype == type); REQUIRE(l32->common.rdclass == rdclass); UNUSED(type); UNUSED(rdclass); RETERR(uint16_tobuffer(l32->pref, target)); n = ntohl(l32->l32.s_addr); return (uint32_tobuffer(n, target)); } static isc_result_t tostruct_l32(ARGS_TOSTRUCT) { isc_region_t region; dns_rdata_l32_t *l32 = target; uint32_t n; REQUIRE(rdata->type == dns_rdatatype_l32); REQUIRE(l32 != NULL); REQUIRE(rdata->length == 6); UNUSED(mctx); l32->common.rdclass = rdata->rdclass; l32->common.rdtype = rdata->type; ISC_LINK_INIT(&l32->common, link); dns_rdata_toregion(rdata, ®ion); l32->pref = uint16_fromregion(®ion); n = uint32_fromregion(®ion); l32->l32.s_addr = htonl(n); return (ISC_R_SUCCESS); } static void freestruct_l32(ARGS_FREESTRUCT) { dns_rdata_l32_t *l32 = source; REQUIRE(l32 != NULL); REQUIRE(l32->common.rdtype == dns_rdatatype_l32); return; } static isc_result_t additionaldata_l32(ARGS_ADDLDATA) { REQUIRE(rdata->type == dns_rdatatype_l32); REQUIRE(rdata->length == 6); UNUSED(rdata); UNUSED(owner); UNUSED(add); UNUSED(arg); return (ISC_R_SUCCESS); } static isc_result_t digest_l32(ARGS_DIGEST) { isc_region_t r; REQUIRE(rdata->type == dns_rdatatype_l32); REQUIRE(rdata->length == 6); dns_rdata_toregion(rdata, &r); return ((digest)(arg, &r)); } static bool checkowner_l32(ARGS_CHECKOWNER) { REQUIRE(type == dns_rdatatype_l32); UNUSED(name); UNUSED(type); UNUSED(rdclass); UNUSED(wildcard); return (true); } static bool checknames_l32(ARGS_CHECKNAMES) { REQUIRE(rdata->type == dns_rdatatype_l32); REQUIRE(rdata->length == 6); UNUSED(rdata); UNUSED(owner); UNUSED(bad); return (true); } static int casecompare_l32(ARGS_COMPARE) { return (compare_l32(rdata1, rdata2)); } #endif /* RDATA_GENERIC_L32_105_C */