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Diffstat (limited to 'lib/dns/rdata/generic/afsdb_18.c')
-rw-r--r--lib/dns/rdata/generic/afsdb_18.c304
1 files changed, 304 insertions, 0 deletions
diff --git a/lib/dns/rdata/generic/afsdb_18.c b/lib/dns/rdata/generic/afsdb_18.c
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+++ b/lib/dns/rdata/generic/afsdb_18.c
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+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * 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 http://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/* RFC1183 */
+
+#ifndef RDATA_GENERIC_AFSDB_18_C
+#define RDATA_GENERIC_AFSDB_18_C
+
+#define RRTYPE_AFSDB_ATTRIBUTES (0)
+
+static inline isc_result_t
+fromtext_afsdb(ARGS_FROMTEXT) {
+ isc_token_t token;
+ isc_buffer_t buffer;
+ dns_name_t name;
+ bool ok;
+
+ REQUIRE(type == dns_rdatatype_afsdb);
+
+ UNUSED(type);
+ UNUSED(rdclass);
+ UNUSED(callbacks);
+
+ /*
+ * Subtype.
+ */
+ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
+ false));
+ if (token.value.as_ulong > 0xffffU)
+ RETTOK(ISC_R_RANGE);
+ RETERR(uint16_tobuffer(token.value.as_ulong, target));
+
+ /*
+ * Hostname.
+ */
+ RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
+ false));
+ dns_name_init(&name, NULL);
+ buffer_fromregion(&buffer, &token.value.as_region);
+ if (origin == NULL)
+ origin = dns_rootname;
+ RETTOK(dns_name_fromtext(&name, &buffer, origin, options, target));
+ ok = true;
+ if ((options & DNS_RDATA_CHECKNAMES) != 0)
+ ok = dns_name_ishostname(&name, false);
+ 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 inline isc_result_t
+totext_afsdb(ARGS_TOTEXT) {
+ dns_name_t name;
+ dns_name_t prefix;
+ isc_region_t region;
+ char buf[sizeof("64000 ")];
+ bool sub;
+ unsigned int num;
+
+ REQUIRE(rdata->type == dns_rdatatype_afsdb);
+ REQUIRE(rdata->length != 0);
+
+ dns_name_init(&name, NULL);
+ dns_name_init(&prefix, NULL);
+
+ dns_rdata_toregion(rdata, &region);
+ num = uint16_fromregion(&region);
+ isc_region_consume(&region, 2);
+ snprintf(buf, sizeof(buf), "%u ", num);
+ RETERR(str_totext(buf, target));
+ dns_name_fromregion(&name, &region);
+ sub = name_prefix(&name, tctx->origin, &prefix);
+ return (dns_name_totext(&prefix, sub, target));
+}
+
+static inline isc_result_t
+fromwire_afsdb(ARGS_FROMWIRE) {
+ dns_name_t name;
+ isc_region_t sr;
+ isc_region_t tr;
+
+ REQUIRE(type == dns_rdatatype_afsdb);
+
+ UNUSED(type);
+ UNUSED(rdclass);
+
+ dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
+
+ dns_name_init(&name, NULL);
+
+ isc_buffer_activeregion(source, &sr);
+ isc_buffer_availableregion(target, &tr);
+ if (tr.length < 2)
+ return (ISC_R_NOSPACE);
+ if (sr.length < 2)
+ return (ISC_R_UNEXPECTEDEND);
+ memmove(tr.base, sr.base, 2);
+ isc_buffer_forward(source, 2);
+ isc_buffer_add(target, 2);
+ return (dns_name_fromwire(&name, source, dctx, options, target));
+}
+
+static inline isc_result_t
+towire_afsdb(ARGS_TOWIRE) {
+ isc_region_t tr;
+ isc_region_t sr;
+ dns_name_t name;
+ dns_offsets_t offsets;
+
+ REQUIRE(rdata->type == dns_rdatatype_afsdb);
+ REQUIRE(rdata->length != 0);
+
+ dns_compress_setmethods(cctx, DNS_COMPRESS_NONE);
+ isc_buffer_availableregion(target, &tr);
+ dns_rdata_toregion(rdata, &sr);
+ if (tr.length < 2)
+ return (ISC_R_NOSPACE);
+ memmove(tr.base, sr.base, 2);
+ isc_region_consume(&sr, 2);
+ isc_buffer_add(target, 2);
+
+ dns_name_init(&name, offsets);
+ dns_name_fromregion(&name, &sr);
+
+ return (dns_name_towire(&name, cctx, target));
+}
+
+static inline int
+compare_afsdb(ARGS_COMPARE) {
+ int result;
+ dns_name_t name1;
+ dns_name_t name2;
+ isc_region_t region1;
+ isc_region_t region2;
+
+ REQUIRE(rdata1->type == rdata2->type);
+ REQUIRE(rdata1->rdclass == rdata2->rdclass);
+ REQUIRE(rdata1->type == dns_rdatatype_afsdb);
+ REQUIRE(rdata1->length != 0);
+ REQUIRE(rdata2->length != 0);
+
+ result = memcmp(rdata1->data, rdata2->data, 2);
+ if (result != 0)
+ return (result < 0 ? -1 : 1);
+
+ dns_name_init(&name1, NULL);
+ dns_name_init(&name2, NULL);
+
+ dns_rdata_toregion(rdata1, &region1);
+ dns_rdata_toregion(rdata2, &region2);
+
+ isc_region_consume(&region1, 2);
+ isc_region_consume(&region2, 2);
+
+ dns_name_fromregion(&name1, &region1);
+ dns_name_fromregion(&name2, &region2);
+
+ return (dns_name_rdatacompare(&name1, &name2));
+}
+
+static inline isc_result_t
+fromstruct_afsdb(ARGS_FROMSTRUCT) {
+ dns_rdata_afsdb_t *afsdb = source;
+ isc_region_t region;
+
+ REQUIRE(type == dns_rdatatype_afsdb);
+ REQUIRE(source != NULL);
+ REQUIRE(afsdb->common.rdclass == rdclass);
+ REQUIRE(afsdb->common.rdtype == type);
+
+ UNUSED(type);
+ UNUSED(rdclass);
+
+ RETERR(uint16_tobuffer(afsdb->subtype, target));
+ dns_name_toregion(&afsdb->server, &region);
+ return (isc_buffer_copyregion(target, &region));
+}
+
+static inline isc_result_t
+tostruct_afsdb(ARGS_TOSTRUCT) {
+ isc_region_t region;
+ dns_rdata_afsdb_t *afsdb = target;
+ dns_name_t name;
+
+ REQUIRE(rdata->type == dns_rdatatype_afsdb);
+ REQUIRE(target != NULL);
+ REQUIRE(rdata->length != 0);
+
+ afsdb->common.rdclass = rdata->rdclass;
+ afsdb->common.rdtype = rdata->type;
+ ISC_LINK_INIT(&afsdb->common, link);
+
+ dns_name_init(&afsdb->server, NULL);
+
+ dns_rdata_toregion(rdata, &region);
+
+ afsdb->subtype = uint16_fromregion(&region);
+ isc_region_consume(&region, 2);
+
+ dns_name_init(&name, NULL);
+ dns_name_fromregion(&name, &region);
+
+ RETERR(name_duporclone(&name, mctx, &afsdb->server));
+ afsdb->mctx = mctx;
+ return (ISC_R_SUCCESS);
+}
+
+static inline void
+freestruct_afsdb(ARGS_FREESTRUCT) {
+ dns_rdata_afsdb_t *afsdb = source;
+
+ REQUIRE(source != NULL);
+ REQUIRE(afsdb->common.rdtype == dns_rdatatype_afsdb);
+
+ if (afsdb->mctx == NULL)
+ return;
+
+ dns_name_free(&afsdb->server, afsdb->mctx);
+ afsdb->mctx = NULL;
+}
+
+static inline isc_result_t
+additionaldata_afsdb(ARGS_ADDLDATA) {
+ dns_name_t name;
+ dns_offsets_t offsets;
+ isc_region_t region;
+
+ REQUIRE(rdata->type == dns_rdatatype_afsdb);
+
+ dns_name_init(&name, offsets);
+ dns_rdata_toregion(rdata, &region);
+ isc_region_consume(&region, 2);
+ dns_name_fromregion(&name, &region);
+
+ return ((add)(arg, &name, dns_rdatatype_a));
+}
+
+static inline isc_result_t
+digest_afsdb(ARGS_DIGEST) {
+ isc_region_t r1, r2;
+ dns_name_t name;
+
+ REQUIRE(rdata->type == dns_rdatatype_afsdb);
+
+ dns_rdata_toregion(rdata, &r1);
+ r2 = r1;
+ isc_region_consume(&r2, 2);
+ r1.length = 2;
+ RETERR((digest)(arg, &r1));
+ dns_name_init(&name, NULL);
+ dns_name_fromregion(&name, &r2);
+
+ return (dns_name_digest(&name, digest, arg));
+}
+
+static inline bool
+checkowner_afsdb(ARGS_CHECKOWNER) {
+
+ REQUIRE(type == dns_rdatatype_afsdb);
+
+ UNUSED(name);
+ UNUSED(type);
+ UNUSED(rdclass);
+ UNUSED(wildcard);
+
+ return (true);
+}
+
+static inline bool
+checknames_afsdb(ARGS_CHECKNAMES) {
+ isc_region_t region;
+ dns_name_t name;
+
+ REQUIRE(rdata->type == dns_rdatatype_afsdb);
+
+ UNUSED(owner);
+
+ dns_rdata_toregion(rdata, &region);
+ isc_region_consume(&region, 2);
+ dns_name_init(&name, NULL);
+ dns_name_fromregion(&name, &region);
+ if (!dns_name_ishostname(&name, false)) {
+ if (bad != NULL)
+ dns_name_clone(&name, bad);
+ return (false);
+ }
+ return (true);
+}
+
+static inline int
+casecompare_afsdb(ARGS_COMPARE) {
+ return (compare_afsdb(rdata1, rdata2));
+}
+#endif /* RDATA_GENERIC_AFSDB_18_C */