/* $NetBSD: doa_259.c,v 1.1.4.2 2024/02/29 11:38:51 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_DOA_259_C #define RDATA_GENERIC_DOA_259_C #define RRTYPE_DOA_ATTRIBUTES (0) static isc_result_t fromtext_doa(ARGS_FROMTEXT) { isc_token_t token; REQUIRE(type == dns_rdatatype_doa); UNUSED(rdclass); UNUSED(origin); UNUSED(options); UNUSED(callbacks); /* * DOA-ENTERPRISE */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number, false)); RETERR(uint32_tobuffer(token.value.as_ulong, target)); /* * DOA-TYPE */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number, false)); RETERR(uint32_tobuffer(token.value.as_ulong, target)); /* * DOA-LOCATION */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number, false)); if (token.value.as_ulong > 0xffU) { RETTOK(ISC_R_RANGE); } RETERR(uint8_tobuffer(token.value.as_ulong, target)); /* * DOA-MEDIA-TYPE */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_qstring, false)); RETTOK(txt_fromtext(&token.value.as_textregion, target)); /* * DOA-DATA */ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, false)); if (strcmp(DNS_AS_STR(token), "-") == 0) { return (ISC_R_SUCCESS); } else { isc_lex_ungettoken(lexer, &token); return (isc_base64_tobuffer(lexer, target, -1)); } } static isc_result_t totext_doa(ARGS_TOTEXT) { char buf[sizeof("4294967295 ")]; isc_region_t region; uint32_t n; REQUIRE(rdata != NULL); REQUIRE(rdata->type == dns_rdatatype_doa); REQUIRE(rdata->length != 0); UNUSED(tctx); dns_rdata_toregion(rdata, ®ion); /* * DOA-ENTERPRISE */ n = uint32_fromregion(®ion); isc_region_consume(®ion, 4); snprintf(buf, sizeof(buf), "%u ", n); RETERR(str_totext(buf, target)); /* * DOA-TYPE */ n = uint32_fromregion(®ion); isc_region_consume(®ion, 4); snprintf(buf, sizeof(buf), "%u ", n); RETERR(str_totext(buf, target)); /* * DOA-LOCATION */ n = uint8_fromregion(®ion); isc_region_consume(®ion, 1); snprintf(buf, sizeof(buf), "%u ", n); RETERR(str_totext(buf, target)); /* * DOA-MEDIA-TYPE */ RETERR(txt_totext(®ion, true, target)); RETERR(str_totext(" ", target)); /* * DOA-DATA */ if (region.length == 0) { return (str_totext("-", target)); } else { return (isc_base64_totext(®ion, 60, "", target)); } } static isc_result_t fromwire_doa(ARGS_FROMWIRE) { isc_region_t region; UNUSED(rdclass); UNUSED(dctx); UNUSED(options); REQUIRE(type == dns_rdatatype_doa); isc_buffer_activeregion(source, ®ion); /* * DOA-MEDIA-TYPE may be an empty (i.e., * comprising of just the length octet) and DOA-DATA can have * zero length. */ if (region.length < 4 + 4 + 1 + 1) { return (ISC_R_UNEXPECTEDEND); } /* * Check whether DOA-MEDIA-TYPE length is not malformed. */ if (region.base[9] > region.length - 10) { return (ISC_R_UNEXPECTEDEND); } isc_buffer_forward(source, region.length); return (mem_tobuffer(target, region.base, region.length)); } static isc_result_t towire_doa(ARGS_TOWIRE) { isc_region_t region; UNUSED(cctx); REQUIRE(rdata != NULL); REQUIRE(rdata->type == dns_rdatatype_doa); REQUIRE(rdata->length != 0); dns_rdata_toregion(rdata, ®ion); return (mem_tobuffer(target, region.base, region.length)); } static int compare_doa(ARGS_COMPARE) { isc_region_t r1; isc_region_t r2; REQUIRE(rdata1 != NULL); REQUIRE(rdata2 != NULL); REQUIRE(rdata1->type == rdata2->type); REQUIRE(rdata1->type == dns_rdatatype_doa); REQUIRE(rdata1->rdclass == rdata2->rdclass); 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_doa(ARGS_FROMSTRUCT) { dns_rdata_doa_t *doa = source; REQUIRE(type == dns_rdatatype_doa); REQUIRE(doa != NULL); REQUIRE(doa->common.rdtype == dns_rdatatype_doa); REQUIRE(doa->common.rdclass == rdclass); RETERR(uint32_tobuffer(doa->enterprise, target)); RETERR(uint32_tobuffer(doa->type, target)); RETERR(uint8_tobuffer(doa->location, target)); RETERR(uint8_tobuffer(doa->mediatype_len, target)); RETERR(mem_tobuffer(target, doa->mediatype, doa->mediatype_len)); return (mem_tobuffer(target, doa->data, doa->data_len)); } static isc_result_t tostruct_doa(ARGS_TOSTRUCT) { dns_rdata_doa_t *doa = target; isc_region_t region; REQUIRE(rdata != NULL); REQUIRE(rdata->type == dns_rdatatype_doa); REQUIRE(doa != NULL); REQUIRE(rdata->length != 0); doa->common.rdclass = rdata->rdclass; doa->common.rdtype = rdata->type; ISC_LINK_INIT(&doa->common, link); dns_rdata_toregion(rdata, ®ion); /* * DOA-ENTERPRISE */ if (region.length < 4) { return (ISC_R_UNEXPECTEDEND); } doa->enterprise = uint32_fromregion(®ion); isc_region_consume(®ion, 4); /* * DOA-TYPE */ if (region.length < 4) { return (ISC_R_UNEXPECTEDEND); } doa->type = uint32_fromregion(®ion); isc_region_consume(®ion, 4); /* * DOA-LOCATION */ if (region.length < 1) { return (ISC_R_UNEXPECTEDEND); } doa->location = uint8_fromregion(®ion); isc_region_consume(®ion, 1); /* * DOA-MEDIA-TYPE */ if (region.length < 1) { return (ISC_R_UNEXPECTEDEND); } doa->mediatype_len = uint8_fromregion(®ion); isc_region_consume(®ion, 1); INSIST(doa->mediatype_len <= region.length); doa->mediatype = mem_maybedup(mctx, region.base, doa->mediatype_len); if (doa->mediatype == NULL) { goto cleanup; } isc_region_consume(®ion, doa->mediatype_len); /* * DOA-DATA */ doa->data_len = region.length; doa->data = NULL; if (doa->data_len > 0) { doa->data = mem_maybedup(mctx, region.base, doa->data_len); if (doa->data == NULL) { goto cleanup; } isc_region_consume(®ion, doa->data_len); } doa->mctx = mctx; return (ISC_R_SUCCESS); cleanup: if (mctx != NULL && doa->mediatype != NULL) { isc_mem_free(mctx, doa->mediatype); } return (ISC_R_NOMEMORY); } static void freestruct_doa(ARGS_FREESTRUCT) { dns_rdata_doa_t *doa = source; REQUIRE(doa != NULL); REQUIRE(doa->common.rdtype == dns_rdatatype_doa); if (doa->mctx == NULL) { return; } if (doa->mediatype != NULL) { isc_mem_free(doa->mctx, doa->mediatype); } if (doa->data != NULL) { isc_mem_free(doa->mctx, doa->data); } doa->mctx = NULL; } static isc_result_t additionaldata_doa(ARGS_ADDLDATA) { UNUSED(rdata); UNUSED(add); UNUSED(arg); REQUIRE(rdata->type == dns_rdatatype_doa); return (ISC_R_SUCCESS); } static isc_result_t digest_doa(ARGS_DIGEST) { isc_region_t r; REQUIRE(rdata->type == dns_rdatatype_doa); dns_rdata_toregion(rdata, &r); return ((digest)(arg, &r)); } static bool checkowner_doa(ARGS_CHECKOWNER) { UNUSED(name); UNUSED(type); UNUSED(rdclass); UNUSED(wildcard); REQUIRE(type == dns_rdatatype_doa); return (true); } static bool checknames_doa(ARGS_CHECKNAMES) { UNUSED(rdata); UNUSED(owner); UNUSED(bad); REQUIRE(rdata->type == dns_rdatatype_doa); return (true); } static int casecompare_doa(ARGS_COMPARE) { return (compare_doa(rdata1, rdata2)); } #endif /* RDATA_GENERIC_DOA_259_C */