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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:59:48 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:59:48 +0000
commit3b9b6d0b8e7f798023c9d109c490449d528fde80 (patch)
tree2e1c188dd7b8d7475cd163de9ae02c428343669b /lib/dns/rdata/generic/uri_256.c
parentInitial commit. (diff)
downloadbind9-3b9b6d0b8e7f798023c9d109c490449d528fde80.tar.xz
bind9-3b9b6d0b8e7f798023c9d109c490449d528fde80.zip
Adding upstream version 1:9.18.19.upstream/1%9.18.19upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/dns/rdata/generic/uri_256.c')
-rw-r--r--lib/dns/rdata/generic/uri_256.c319
1 files changed, 319 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..4618823
--- /dev/null
+++ b/lib/dns/rdata/generic/uri_256.c
@@ -0,0 +1,319 @@
+/*
+ * 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 GENERIC_URI_256_C
+#define GENERIC_URI_256_C 1
+
+#define RRTYPE_URI_ATTRIBUTES (0)
+
+static 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 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 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 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 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 isc_result_t
+fromstruct_uri(ARGS_FROMSTRUCT) {
+ dns_rdata_uri_t *uri = source;
+
+ REQUIRE(type == dns_rdatatype_uri);
+ REQUIRE(uri != 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 isc_result_t
+tostruct_uri(ARGS_TOSTRUCT) {
+ dns_rdata_uri_t *uri = target;
+ isc_region_t sr;
+
+ REQUIRE(rdata->type == dns_rdatatype_uri);
+ REQUIRE(uri != 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 void
+freestruct_uri(ARGS_FREESTRUCT) {
+ dns_rdata_uri_t *uri = (dns_rdata_uri_t *)source;
+
+ REQUIRE(uri != 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 isc_result_t
+additionaldata_uri(ARGS_ADDLDATA) {
+ REQUIRE(rdata->type == dns_rdatatype_uri);
+
+ UNUSED(rdata);
+ UNUSED(owner);
+ UNUSED(add);
+ UNUSED(arg);
+
+ return (ISC_R_SUCCESS);
+}
+
+static 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 bool
+checkowner_uri(ARGS_CHECKOWNER) {
+ REQUIRE(type == dns_rdatatype_uri);
+
+ UNUSED(name);
+ UNUSED(type);
+ UNUSED(rdclass);
+ UNUSED(wildcard);
+
+ return (true);
+}
+
+static bool
+checknames_uri(ARGS_CHECKNAMES) {
+ REQUIRE(rdata->type == dns_rdatatype_uri);
+
+ UNUSED(rdata);
+ UNUSED(owner);
+ UNUSED(bad);
+
+ return (true);
+}
+
+static int
+casecompare_uri(ARGS_COMPARE) {
+ return (compare_uri(rdata1, rdata2));
+}
+
+#endif /* GENERIC_URI_256_C */