Added an advanced duplicate checking plugin with liveness check of old SA

1 files changed, 67 insertions, 0 deletions

diff --git a/src/libcharon/plugins/duplicheck/duplicheck_plugin.c b/src/libcharon/plugins/duplicheck/duplicheck_plugin.c
new file mode 100644
index 000000000..cbb575a97
--- /dev/null
+++ b/src/libcharon/plugins/duplicheck/duplicheck_plugin.c
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2011 Martin Willi
+ * Copyright (C) 2011 revosec AG
+ *
+ * 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 "duplicheck_plugin.h"
+
+#include "duplicheck_listener.h"
+
+#include <daemon.h>
+
+typedef struct private_duplicheck_plugin_t private_duplicheck_plugin_t;
+
+/**
+ * Private data of duplicheck plugin
+ */
+struct private_duplicheck_plugin_t {
+
+	/**
+	 * Implements plugin interface
+	 */
+	duplicheck_plugin_t public;
+
+	/**
+	 * Listener doing duplicate checks
+	 */
+	duplicheck_listener_t *listener;
+};
+
+METHOD(plugin_t, destroy, void,
+	private_duplicheck_plugin_t *this)
+{
+	charon->bus->remove_listener(charon->bus, &this->listener->listener);
+	this->listener->destroy(this->listener);
+	free(this);
+}
+
+/**
+ * Plugin constructor
+ */
+plugin_t *duplicheck_plugin_create()
+{
+	private_duplicheck_plugin_t *this;
+
+	INIT(this,
+		.public = {
+			.plugin = {
+				.destroy = _destroy,
+			},
+		},
+		.listener = duplicheck_listener_create(),
+	);
+
+	charon->bus->add_listener(charon->bus, &this->listener->listener);
+
+	return &this->public.plugin;
+}