diff options
Diffstat (limited to 'lib/dns/rdata/generic/rp_17.c')
| -rw-r--r-- | lib/dns/rdata/generic/rp_17.c | 320 |
1 files changed, 320 insertions, 0 deletions
diff --git a/lib/dns/rdata/generic/rp_17.c b/lib/dns/rdata/generic/rp_17.c new file mode 100644 index 0000000..3abe55d --- /dev/null +++ b/lib/dns/rdata/generic/rp_17.c @@ -0,0 +1,320 @@ +/* + * 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. + */ + +/* RFC1183 */ + +#ifndef RDATA_GENERIC_RP_17_C +#define RDATA_GENERIC_RP_17_C + +#define RRTYPE_RP_ATTRIBUTES (0) + +static isc_result_t +fromtext_rp(ARGS_FROMTEXT) { + isc_token_t token; + dns_name_t name; + isc_buffer_t buffer; + int i; + bool ok; + + REQUIRE(type == dns_rdatatype_rp); + + 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 && i == 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_rp(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_rp); + 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_rp(ARGS_FROMWIRE) { + dns_name_t rmail; + dns_name_t email; + + REQUIRE(type == dns_rdatatype_rp); + + UNUSED(type); + UNUSED(rdclass); + + dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE); + + 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_rp(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_rp); + REQUIRE(rdata->length != 0); + + dns_compress_setmethods(cctx, DNS_COMPRESS_NONE); + dns_name_init(&rmail, roffsets); + dns_name_init(&email, eoffsets); + + dns_rdata_toregion(rdata, ®ion); + + dns_name_fromregion(&rmail, ®ion); + isc_region_consume(®ion, rmail.length); + + 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_rp(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_rp); + 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); + + return (dns_name_rdatacompare(&name1, &name2)); +} + +static isc_result_t +fromstruct_rp(ARGS_FROMSTRUCT) { + dns_rdata_rp_t *rp = source; + isc_region_t region; + + REQUIRE(type == dns_rdatatype_rp); + REQUIRE(rp != NULL); + REQUIRE(rp->common.rdtype == type); + REQUIRE(rp->common.rdclass == rdclass); + + UNUSED(type); + UNUSED(rdclass); + + dns_name_toregion(&rp->mail, ®ion); + RETERR(isc_buffer_copyregion(target, ®ion)); + dns_name_toregion(&rp->text, ®ion); + return (isc_buffer_copyregion(target, ®ion)); +} + +static isc_result_t +tostruct_rp(ARGS_TOSTRUCT) { + isc_result_t result; + isc_region_t region; + dns_rdata_rp_t *rp = target; + dns_name_t name; + + REQUIRE(rdata->type == dns_rdatatype_rp); + REQUIRE(rp != NULL); + REQUIRE(rdata->length != 0); + + rp->common.rdclass = rdata->rdclass; + rp->common.rdtype = rdata->type; + ISC_LINK_INIT(&rp->common, link); + + dns_name_init(&name, NULL); + dns_rdata_toregion(rdata, ®ion); + dns_name_fromregion(&name, ®ion); + dns_name_init(&rp->mail, NULL); + RETERR(name_duporclone(&name, mctx, &rp->mail)); + isc_region_consume(®ion, name_length(&name)); + dns_name_fromregion(&name, ®ion); + dns_name_init(&rp->text, NULL); + result = name_duporclone(&name, mctx, &rp->text); + if (result != ISC_R_SUCCESS) { + goto cleanup; + } + + rp->mctx = mctx; + return (ISC_R_SUCCESS); + +cleanup: + if (mctx != NULL) { + dns_name_free(&rp->mail, mctx); + } + return (ISC_R_NOMEMORY); +} + +static void +freestruct_rp(ARGS_FREESTRUCT) { + dns_rdata_rp_t *rp = source; + + REQUIRE(rp != NULL); + REQUIRE(rp->common.rdtype == dns_rdatatype_rp); + + if (rp->mctx == NULL) { + return; + } + + dns_name_free(&rp->mail, rp->mctx); + dns_name_free(&rp->text, rp->mctx); + rp->mctx = NULL; +} + +static isc_result_t +additionaldata_rp(ARGS_ADDLDATA) { + REQUIRE(rdata->type == dns_rdatatype_rp); + + UNUSED(rdata); + UNUSED(add); + UNUSED(arg); + + return (ISC_R_SUCCESS); +} + +static isc_result_t +digest_rp(ARGS_DIGEST) { + isc_region_t r; + dns_name_t name; + + REQUIRE(rdata->type == dns_rdatatype_rp); + + dns_rdata_toregion(rdata, &r); + dns_name_init(&name, NULL); + + dns_name_fromregion(&name, &r); + RETERR(dns_name_digest(&name, digest, arg)); + 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_rp(ARGS_CHECKOWNER) { + REQUIRE(type == dns_rdatatype_rp); + + UNUSED(name); + UNUSED(type); + UNUSED(rdclass); + UNUSED(wildcard); + + return (true); +} + +static bool +checknames_rp(ARGS_CHECKNAMES) { + isc_region_t region; + dns_name_t name; + + REQUIRE(rdata->type == dns_rdatatype_rp); + + 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); + } + return (true); +} + +static int +casecompare_rp(ARGS_COMPARE) { + return (compare_rp(rdata1, rdata2)); +} +#endif /* RDATA_GENERIC_RP_17_C */ |