1 files changed, 84 insertions, 0 deletions
diff --git a/lib/dns/keydata.c b/lib/dns/keydata.c
new file mode 100644
index 0000000..135d968
--- /dev/null
+++ b/lib/dns/keydata.c
@@ -0,0 +1,84 @@
+/*
+ * 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.
+ */
+
+
+/*! \file */
+
+#include <config.h>
+
+#include <inttypes.h>
+
+#include <isc/buffer.h>
+#include <isc/mem.h>
+#include <isc/string.h>
+#include <isc/util.h>
+
+#include <dns/rdata.h>
+#include <dns/rdatastruct.h>
+#include <dns/keydata.h>
+
+isc_result_t
+dns_keydata_todnskey(dns_rdata_keydata_t *keydata,
+		     dns_rdata_dnskey_t *dnskey, isc_mem_t *mctx)
+{
+	REQUIRE(keydata != NULL && dnskey != NULL);
+
+	dnskey->common.rdtype = dns_rdatatype_dnskey;
+	dnskey->common.rdclass = keydata->common.rdclass;
+	dnskey->mctx = mctx;
+	dnskey->flags = keydata->flags;
+	dnskey->protocol = keydata->protocol;
+	dnskey->algorithm = keydata->algorithm;
+
+	dnskey->datalen = keydata->datalen;
+
+	if (mctx == NULL)
+		dnskey->data = keydata->data;
+	else {
+		dnskey->data = isc_mem_allocate(mctx, dnskey->datalen);
+		if (dnskey->data == NULL)
+			return (ISC_R_NOMEMORY);
+		memmove(dnskey->data, keydata->data, dnskey->datalen);
+	}
+
+	return (ISC_R_SUCCESS);
+}
+
+isc_result_t
+dns_keydata_fromdnskey(dns_rdata_keydata_t *keydata,
+		       dns_rdata_dnskey_t *dnskey,
+		       uint32_t refresh, uint32_t addhd,
+		       uint32_t removehd, isc_mem_t *mctx)
+{
+	REQUIRE(keydata != NULL && dnskey != NULL);
+
+	keydata->common.rdtype = dns_rdatatype_keydata;
+	keydata->common.rdclass = dnskey->common.rdclass;
+	keydata->mctx = mctx;
+	keydata->refresh = refresh;
+	keydata->addhd = addhd;
+	keydata->removehd = removehd;
+	keydata->flags = dnskey->flags;
+	keydata->protocol = dnskey->protocol;
+	keydata->algorithm = dnskey->algorithm;
+
+	keydata->datalen = dnskey->datalen;
+	if (mctx == NULL)
+		keydata->data = dnskey->data;
+	else {
+		keydata->data = isc_mem_allocate(mctx, keydata->datalen);
+		if (keydata->data == NULL)
+			return (ISC_R_NOMEMORY);
+		memmove(keydata->data, dnskey->data, keydata->datalen);
+	}
+
+	return (ISC_R_SUCCESS);
+}