diff options
Diffstat (limited to 'lib/dns/rdata/generic/doa_259.c')
| -rw-r--r-- | lib/dns/rdata/generic/doa_259.c | 362 |
1 files changed, 362 insertions, 0 deletions
diff --git a/lib/dns/rdata/generic/doa_259.c b/lib/dns/rdata/generic/doa_259.c new file mode 100644 index 0000000..45f2439 --- /dev/null +++ b/lib/dns/rdata/generic/doa_259.c @@ -0,0 +1,362 @@ +/* + * 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 <character-string> (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) { + REQUIRE(rdata->type == dns_rdatatype_doa); + + UNUSED(rdata); + UNUSED(owner); + UNUSED(add); + UNUSED(arg); + + 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 */ |