1 files changed, 138 insertions, 0 deletions
diff --git a/libdane/dane-params.c b/libdane/dane-params.c
new file mode 100644
index 0000000..e04e54d
--- /dev/null
+++ b/libdane/dane-params.c
@@ -0,0 +1,138 @@
+/*
+ * Copyright (C) 2012 KU Leuven
+ *
+ * Author: Nikos Mavrogiannopoulos
+ *
+ * This file is part of libdane.
+ *
+ * The libdane library is free software; you can redistribute it
+ * and/or modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>
+ *
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <arpa/inet.h>
+#include <unbound.h>
+#include <gnutls/dane.h>
+#include <gnutls/x509.h>
+#include <gnutls/abstract.h>
+
+typedef struct cert_type_entry {
+	const char *name;
+	dane_cert_type_t type;
+} cert_type_entry;
+
+static const cert_type_entry dane_cert_types[] = {
+	{"X.509", DANE_CERT_X509},
+	{"SubjectPublicKeyInfo", DANE_CERT_PK},
+	{NULL, 0}
+};
+
+typedef struct match_type_entry {
+	const char *name;
+	dane_match_type_t type;
+} match_type_entry;
+
+static const match_type_entry dane_match_types[] = {
+	{"Exact match", DANE_MATCH_EXACT},
+	{"SHA2-256 hash", DANE_MATCH_SHA2_256},
+	{"SHA2-512 hash", DANE_MATCH_SHA2_512},
+	{NULL, 0}
+};
+
+typedef struct cert_usage_entry {
+	const char *name;
+	dane_cert_usage_t usage;
+} cert_usage_entry;
+
+static const cert_usage_entry dane_cert_usages[] = {
+	{"CA", DANE_CERT_USAGE_CA},
+	{"End-entity", DANE_CERT_USAGE_EE},
+	{"Local CA", DANE_CERT_USAGE_LOCAL_CA},
+	{"Local end-entity", DANE_CERT_USAGE_LOCAL_EE},
+	{NULL, 0}
+};
+
+
+
+/**
+ * dane_cert_type_name:
+ * @type: is a DANE match type
+ *
+ * Convert a #dane_cert_type_t value to a string.
+ *
+ * Returns: a string that contains the name of the specified
+ *   type, or %NULL.
+ **/
+const char *dane_cert_type_name(dane_cert_type_t type)
+{
+	const cert_type_entry *e = dane_cert_types;
+
+	while (e->name != NULL) {
+		if (e->type == type)
+			return e->name;
+		e++;
+	}
+
+	return NULL;
+}
+
+/**
+ * dane_match_type_name:
+ * @type: is a DANE match type
+ *
+ * Convert a #dane_match_type_t value to a string.
+ *
+ * Returns: a string that contains the name of the specified
+ *   type, or %NULL.
+ **/
+const char *dane_match_type_name(dane_match_type_t type)
+{
+	const match_type_entry *e = dane_match_types;
+
+	while (e->name != NULL) {
+		if (e->type == type)
+			return e->name;
+		e++;
+	}
+
+	return NULL;
+}
+
+/**
+ * dane_cert_usage_name:
+ * @usage: is a DANE certificate usage
+ *
+ * Convert a #dane_cert_usage_t value to a string.
+ *
+ * Returns: a string that contains the name of the specified
+ *   type, or %NULL.
+ **/
+const char *dane_cert_usage_name(dane_cert_usage_t usage)
+{
+	const cert_usage_entry *e = dane_cert_usages;
+
+	while (e->name != NULL) {
+		if (e->usage == usage)
+			return e->name;
+		e++;
+	}
+
+	return NULL;
+
+}