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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 07:24:22 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 07:24:22 +0000 |
commit | 45d6379135504814ab723b57f0eb8be23393a51d (patch) | |
tree | d4f2ec4acca824a8446387a758b0ce4238a4dffa /lib/dns/rdata/generic/minfo_14.c | |
parent | Initial commit. (diff) | |
download | bind9-upstream/1%9.16.44.tar.xz bind9-upstream/1%9.16.44.zip |
Adding upstream version 1:9.16.44.upstream/1%9.16.44upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | lib/dns/rdata/generic/minfo_14.c | 332 |
1 files changed, 332 insertions, 0 deletions
diff --git a/lib/dns/rdata/generic/minfo_14.c b/lib/dns/rdata/generic/minfo_14.c new file mode 100644 index 0000000..e396cff --- /dev/null +++ b/lib/dns/rdata/generic/minfo_14.c @@ -0,0 +1,332 @@ +/* + * 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; + isc_result_t result; + + 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); + RETERR(name_duporclone(&name, mctx, &minfo->rmailbox)); + isc_region_consume(®ion, name_length(&name)); + + dns_name_fromregion(&name, ®ion); + dns_name_init(&minfo->emailbox, NULL); + result = name_duporclone(&name, mctx, &minfo->emailbox); + if (result != ISC_R_SUCCESS) { + goto cleanup; + } + minfo->mctx = mctx; + return (ISC_R_SUCCESS); + +cleanup: + if (mctx != NULL) { + dns_name_free(&minfo->rmailbox, mctx); + } + return (ISC_R_NOMEMORY); +} + +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(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 */ |