Added unbound plugin implementing the resolver interface using libunbound

src/libstrongswan/plugins/unbound/unbound_resolver.c

@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2011-2012 Reto Guadagnini
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program 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 General Public License
+ * for more details.
+ */
+
+#include <string.h>
+
+#include <library.h>
+#include <utils/debug.h>
+
+#include "unbound_resolver.h"
+
+typedef struct private_resolver_t private_resolver_t;
+
+/**
+ * private data of a unbound_resolver_t object.
+ */
+struct private_resolver_t {
+
+	/**
+	 * Public data
+	 */
+	resolver_t public;
+};
+
+/**
+ * query method implementation
+ */
+METHOD(resolver_t, query, resolver_response_t*,
+	private_resolver_t *this, char *domain, rr_class_t rr_class,
+	rr_type_t rr_type)
+{
+	/* TODO: Implement */
+	return NULL;
+}
+
+/**
+ * destroy method implementation
+ */
+METHOD(resolver_t, destroy, void,
+	private_resolver_t *this)
+{
+	free(this);
+}
+
+/*
+ * Described in header.
+ */
+resolver_t *unbound_resolver_create()
+{
+	private_resolver_t *this;
+
+	INIT(this,
+		.public = {
+			.query = _query,
+			.destroy = _destroy,
+		},
+	);
+
+	/* TODO: Implement */
+	destroy(this);
+	return NULL;
+}
+