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-rw-r--r--lib/dns/rdata/generic/uri_256.c308
1 files changed, 308 insertions, 0 deletions
diff --git a/lib/dns/rdata/generic/uri_256.c b/lib/dns/rdata/generic/uri_256.c
new file mode 100644
index 0000000..8fb0307
--- /dev/null
+++ b/lib/dns/rdata/generic/uri_256.c
@@ -0,0 +1,308 @@
+/*
+ * 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.
+ */
+
+
+#ifndef GENERIC_URI_256_C
+#define GENERIC_URI_256_C 1
+
+#define RRTYPE_URI_ATTRIBUTES (0)
+
+static inline isc_result_t
+fromtext_uri(ARGS_FROMTEXT) {
+ isc_token_t token;
+
+ REQUIRE(type == dns_rdatatype_uri);
+
+ UNUSED(type);
+ UNUSED(rdclass);
+ UNUSED(origin);
+ UNUSED(options);
+ UNUSED(callbacks);
+
+ /*
+ * Priority
+ */
+ 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));
+
+ /*
+ * Weight
+ */
+ 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));
+
+ /*
+ * Target URI
+ */
+ RETERR(isc_lex_getmastertoken(lexer, &token,
+ isc_tokentype_qstring, false));
+ if (token.type != isc_tokentype_qstring)
+ RETTOK(DNS_R_SYNTAX);
+ RETTOK(multitxt_fromtext(&token.value.as_textregion, target));
+ return (ISC_R_SUCCESS);
+}
+
+static inline isc_result_t
+totext_uri(ARGS_TOTEXT) {
+ isc_region_t region;
+ unsigned short priority, weight;
+ char buf[sizeof("65000 ")];
+
+ UNUSED(tctx);
+
+ REQUIRE(rdata->type == dns_rdatatype_uri);
+ REQUIRE(rdata->length != 0);
+
+ dns_rdata_toregion(rdata, &region);
+
+ /*
+ * Priority
+ */
+ priority = uint16_fromregion(&region);
+ isc_region_consume(&region, 2);
+ snprintf(buf, sizeof(buf), "%u ", priority);
+ RETERR(str_totext(buf, target));
+
+ /*
+ * Weight
+ */
+ weight = uint16_fromregion(&region);
+ isc_region_consume(&region, 2);
+ snprintf(buf, sizeof(buf), "%u ", weight);
+ RETERR(str_totext(buf, target));
+
+ /*
+ * Target URI
+ */
+ RETERR(multitxt_totext(&region, target));
+ return (ISC_R_SUCCESS);
+}
+
+static inline isc_result_t
+fromwire_uri(ARGS_FROMWIRE) {
+ isc_region_t region;
+
+ REQUIRE(type == dns_rdatatype_uri);
+
+ UNUSED(type);
+ UNUSED(rdclass);
+ UNUSED(dctx);
+ UNUSED(options);
+
+ /*
+ * Priority, weight
+ */
+ isc_buffer_activeregion(source, &region);
+ if (region.length < 4)
+ return (ISC_R_UNEXPECTEDEND);
+
+ /*
+ * Priority, weight and target URI
+ */
+ isc_buffer_forward(source, region.length);
+ return (mem_tobuffer(target, region.base, region.length));
+}
+
+static inline isc_result_t
+towire_uri(ARGS_TOWIRE) {
+ isc_region_t region;
+
+ REQUIRE(rdata->type == dns_rdatatype_uri);
+ REQUIRE(rdata->length != 0);
+
+ UNUSED(cctx);
+
+ dns_rdata_toregion(rdata, &region);
+ return (mem_tobuffer(target, region.base, region.length));
+}
+
+static inline int
+compare_uri(ARGS_COMPARE) {
+ isc_region_t r1;
+ isc_region_t r2;
+ int order;
+
+ REQUIRE(rdata1->type == rdata2->type);
+ REQUIRE(rdata1->rdclass == rdata2->rdclass);
+ REQUIRE(rdata1->type == dns_rdatatype_uri);
+ REQUIRE(rdata1->length != 0);
+ REQUIRE(rdata2->length != 0);
+
+ dns_rdata_toregion(rdata1, &r1);
+ dns_rdata_toregion(rdata2, &r2);
+
+ /*
+ * Priority
+ */
+ order = memcmp(r1.base, r2.base, 2);
+ if (order != 0)
+ return (order < 0 ? -1 : 1);
+ isc_region_consume(&r1, 2);
+ isc_region_consume(&r2, 2);
+
+ /*
+ * Weight
+ */
+ order = memcmp(r1.base, r2.base, 2);
+ if (order != 0)
+ return (order < 0 ? -1 : 1);
+ isc_region_consume(&r1, 2);
+ isc_region_consume(&r2, 2);
+
+ return (isc_region_compare(&r1, &r2));
+}
+
+static inline isc_result_t
+fromstruct_uri(ARGS_FROMSTRUCT) {
+ dns_rdata_uri_t *uri = source;
+
+ REQUIRE(type == dns_rdatatype_uri);
+ REQUIRE(source != NULL);
+ REQUIRE(uri->common.rdtype == type);
+ REQUIRE(uri->common.rdclass == rdclass);
+ REQUIRE(uri->target != NULL && uri->tgt_len != 0);
+
+ UNUSED(type);
+ UNUSED(rdclass);
+
+ /*
+ * Priority
+ */
+ RETERR(uint16_tobuffer(uri->priority, target));
+
+ /*
+ * Weight
+ */
+ RETERR(uint16_tobuffer(uri->weight, target));
+
+ /*
+ * Target URI
+ */
+ return (mem_tobuffer(target, uri->target, uri->tgt_len));
+}
+
+static inline isc_result_t
+tostruct_uri(ARGS_TOSTRUCT) {
+ dns_rdata_uri_t *uri = target;
+ isc_region_t sr;
+
+ REQUIRE(rdata->type == dns_rdatatype_uri);
+ REQUIRE(target != NULL);
+ REQUIRE(rdata->length != 0);
+
+ uri->common.rdclass = rdata->rdclass;
+ uri->common.rdtype = rdata->type;
+ ISC_LINK_INIT(&uri->common, link);
+
+ dns_rdata_toregion(rdata, &sr);
+
+ /*
+ * Priority
+ */
+ if (sr.length < 2)
+ return (ISC_R_UNEXPECTEDEND);
+ uri->priority = uint16_fromregion(&sr);
+ isc_region_consume(&sr, 2);
+
+ /*
+ * Weight
+ */
+ if (sr.length < 2)
+ return (ISC_R_UNEXPECTEDEND);
+ uri->weight = uint16_fromregion(&sr);
+ isc_region_consume(&sr, 2);
+
+ /*
+ * Target URI
+ */
+ uri->tgt_len = sr.length;
+ uri->target = mem_maybedup(mctx, sr.base, sr.length);
+ if (uri->target == NULL)
+ return (ISC_R_NOMEMORY);
+
+ uri->mctx = mctx;
+ return (ISC_R_SUCCESS);
+}
+
+static inline void
+freestruct_uri(ARGS_FREESTRUCT) {
+ dns_rdata_uri_t *uri = (dns_rdata_uri_t *) source;
+
+ REQUIRE(source != NULL);
+ REQUIRE(uri->common.rdtype == dns_rdatatype_uri);
+
+ if (uri->mctx == NULL)
+ return;
+
+ if (uri->target != NULL)
+ isc_mem_free(uri->mctx, uri->target);
+ uri->mctx = NULL;
+}
+
+static inline isc_result_t
+additionaldata_uri(ARGS_ADDLDATA) {
+ REQUIRE(rdata->type == dns_rdatatype_uri);
+
+ UNUSED(rdata);
+ UNUSED(add);
+ UNUSED(arg);
+
+ return (ISC_R_SUCCESS);
+}
+
+static inline isc_result_t
+digest_uri(ARGS_DIGEST) {
+ isc_region_t r;
+
+ REQUIRE(rdata->type == dns_rdatatype_uri);
+
+ dns_rdata_toregion(rdata, &r);
+
+ return ((digest)(arg, &r));
+}
+
+static inline bool
+checkowner_uri(ARGS_CHECKOWNER) {
+
+ REQUIRE(type == dns_rdatatype_uri);
+
+ UNUSED(name);
+ UNUSED(type);
+ UNUSED(rdclass);
+ UNUSED(wildcard);
+
+ return (true);
+}
+
+static inline bool
+checknames_uri(ARGS_CHECKNAMES) {
+
+ REQUIRE(rdata->type == dns_rdatatype_uri);
+
+ UNUSED(rdata);
+ UNUSED(owner);
+ UNUSED(bad);
+
+ return (true);
+}
+
+static inline int
+casecompare_uri(ARGS_COMPARE) {
+ return (compare_uri(rdata1, rdata2));
+}
+
+#endif /* GENERIC_URI_256_C */