/* $NetBSD: minfo_14.c,v 1.7.2.1 2024/02/25 15:47:03 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_MINFO_14_C #define RDATA_GENERIC_MINFO_14_C #define RRTYPE_MINFO_ATTRIBUTES (0) static isc_result_t fromtext_minfo(ARGS_FROMTEXT) { isc_token_t token; dns_name_t name; isc_buffer_t buffer; int i; bool ok; REQUIRE(type == dns_rdatatype_minfo); 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)); ok = true; if ((options & DNS_RDATA_CHECKNAMES) != 0) { ok = dns_name_ismailbox(&name); } if (!ok && (options & DNS_RDATA_CHECKNAMESFAIL) != 0) { RETTOK(DNS_R_BADNAME); } if (!ok && callbacks != NULL) { warn_badname(&name, lexer, callbacks); } } return (ISC_R_SUCCESS); } static isc_result_t totext_minfo(ARGS_TOTEXT) { isc_region_t region; dns_name_t rmail; dns_name_t email; dns_name_t prefix; bool sub; REQUIRE(rdata->type == dns_rdatatype_minfo); REQUIRE(rdata->length != 0); dns_name_init(&rmail, NULL); dns_name_init(&email, NULL); dns_name_init(&prefix, NULL); dns_rdata_toregion(rdata, ®ion); dns_name_fromregion(&rmail, ®ion); isc_region_consume(®ion, rmail.length); dns_name_fromregion(&email, ®ion); isc_region_consume(®ion, email.length); sub = name_prefix(&rmail, tctx->origin, &prefix); RETERR(dns_name_totext(&prefix, sub, target)); RETERR(str_totext(" ", target)); sub = name_prefix(&email, tctx->origin, &prefix); return (dns_name_totext(&prefix, sub, target)); } static isc_result_t fromwire_minfo(ARGS_FROMWIRE) { dns_name_t rmail; dns_name_t email; REQUIRE(type == dns_rdatatype_minfo); UNUSED(type); UNUSED(rdclass); dns_decompress_setmethods(dctx, DNS_COMPRESS_GLOBAL14); dns_name_init(&rmail, NULL); dns_name_init(&email, NULL); RETERR(dns_name_fromwire(&rmail, source, dctx, options, target)); return (dns_name_fromwire(&email, source, dctx, options, target)); } static isc_result_t towire_minfo(ARGS_TOWIRE) { isc_region_t region; dns_name_t rmail; dns_name_t email; dns_offsets_t roffsets; dns_offsets_t eoffsets; REQUIRE(rdata->type == dns_rdatatype_minfo); REQUIRE(rdata->length != 0); dns_compress_setmethods(cctx, DNS_COMPRESS_GLOBAL14); dns_name_init(&rmail, roffsets); dns_name_init(&email, eoffsets); dns_rdata_toregion(rdata, ®ion); dns_name_fromregion(&rmail, ®ion); isc_region_consume(®ion, name_length(&rmail)); RETERR(dns_name_towire(&rmail, cctx, target)); dns_name_fromregion(&rmail, ®ion); isc_region_consume(®ion, rmail.length); return (dns_name_towire(&rmail, cctx, target)); } static int compare_minfo(ARGS_COMPARE) { isc_region_t region1; isc_region_t region2; dns_name_t name1; dns_name_t name2; int order; REQUIRE(rdata1->type == rdata2->type); REQUIRE(rdata1->rdclass == rdata2->rdclass); REQUIRE(rdata1->type == dns_rdatatype_minfo); REQUIRE(rdata1->length != 0); REQUIRE(rdata2->length != 0); dns_name_init(&name1, NULL); dns_name_init(&name2, NULL); dns_rdata_toregion(rdata1, ®ion1); dns_rdata_toregion(rdata2, ®ion2); dns_name_fromregion(&name1, ®ion1); dns_name_fromregion(&name2, ®ion2); order = dns_name_rdatacompare(&name1, &name2); if (order != 0) { return (order); } isc_region_consume(®ion1, name_length(&name1)); isc_region_consume(®ion2, name_length(&name2)); dns_name_init(&name1, NULL); dns_name_init(&name2, NULL); dns_name_fromregion(&name1, ®ion1); dns_name_fromregion(&name2, ®ion2); order = dns_name_rdatacompare(&name1, &name2); return (order); } static isc_result_t fromstruct_minfo(ARGS_FROMSTRUCT) { dns_rdata_minfo_t *minfo = source; isc_region_t region; REQUIRE(type == dns_rdatatype_minfo); REQUIRE(minfo != NULL); REQUIRE(minfo->common.rdtype == type); REQUIRE(minfo->common.rdclass == rdclass); UNUSED(type); UNUSED(rdclass); dns_name_toregion(&minfo->rmailbox, ®ion); RETERR(isc_buffer_copyregion(target, ®ion)); dns_name_toregion(&minfo->emailbox, ®ion); return (isc_buffer_copyregion(target, ®ion)); } static isc_result_t tostruct_minfo(ARGS_TOSTRUCT) { dns_rdata_minfo_t *minfo = target; isc_region_t region; dns_name_t name; REQUIRE(rdata->type == dns_rdatatype_minfo); REQUIRE(minfo != NULL); REQUIRE(rdata->length != 0); minfo->common.rdclass = rdata->rdclass; minfo->common.rdtype = rdata->type; ISC_LINK_INIT(&minfo->common, link); dns_name_init(&name, NULL); dns_rdata_toregion(rdata, ®ion); dns_name_fromregion(&name, ®ion); dns_name_init(&minfo->rmailbox, NULL); name_duporclone(&name, mctx, &minfo->rmailbox); isc_region_consume(®ion, name_length(&name)); dns_name_fromregion(&name, ®ion); dns_name_init(&minfo->emailbox, NULL); name_duporclone(&name, mctx, &minfo->emailbox); minfo->mctx = mctx; return (ISC_R_SUCCESS); } static void freestruct_minfo(ARGS_FREESTRUCT) { dns_rdata_minfo_t *minfo = source; REQUIRE(minfo != NULL); REQUIRE(minfo->common.rdtype == dns_rdatatype_minfo); if (minfo->mctx == NULL) { return; } dns_name_free(&minfo->rmailbox, minfo->mctx); dns_name_free(&minfo->emailbox, minfo->mctx); minfo->mctx = NULL; } static isc_result_t additionaldata_minfo(ARGS_ADDLDATA) { REQUIRE(rdata->type == dns_rdatatype_minfo); UNUSED(rdata); UNUSED(owner); UNUSED(add); UNUSED(arg); return (ISC_R_SUCCESS); } static isc_result_t digest_minfo(ARGS_DIGEST) { isc_region_t r; dns_name_t name; isc_result_t result; REQUIRE(rdata->type == dns_rdatatype_minfo); dns_rdata_toregion(rdata, &r); dns_name_init(&name, NULL); dns_name_fromregion(&name, &r); result = dns_name_digest(&name, digest, arg); if (result != ISC_R_SUCCESS) { return (result); } isc_region_consume(&r, name_length(&name)); dns_name_init(&name, NULL); dns_name_fromregion(&name, &r); return (dns_name_digest(&name, digest, arg)); } static bool checkowner_minfo(ARGS_CHECKOWNER) { REQUIRE(type == dns_rdatatype_minfo); UNUSED(name); UNUSED(type); UNUSED(rdclass); UNUSED(wildcard); return (true); } static bool checknames_minfo(ARGS_CHECKNAMES) { isc_region_t region; dns_name_t name; REQUIRE(rdata->type == dns_rdatatype_minfo); UNUSED(owner); dns_rdata_toregion(rdata, ®ion); dns_name_init(&name, NULL); dns_name_fromregion(&name, ®ion); if (!dns_name_ismailbox(&name)) { if (bad != NULL) { dns_name_clone(&name, bad); } return (false); } isc_region_consume(®ion, name_length(&name)); dns_name_fromregion(&name, ®ion); if (!dns_name_ismailbox(&name)) { if (bad != NULL) { dns_name_clone(&name, bad); } return (false); } return (true); } static int casecompare_minfo(ARGS_COMPARE) { return (compare_minfo(rdata1, rdata2)); } #endif /* RDATA_GENERIC_MINFO_14_C */