Merge branch 'android-app'

This branch introduces a userland IPsec implementation (libipsec) and an
Android App which targets the VpnService API that is provided by Android 4+.

The implementation is based on the bachelor thesis 'Userland IPsec for
Android 4' by Giuliano Grassi and Ralf Sager.

1 files changed, 79 insertions, 0 deletions

diff --git a/src/libipsec/ipsec_event_relay.h b/src/libipsec/ipsec_event_relay.h
new file mode 100644
index 000000000..c6935d546
--- /dev/null
+++ b/src/libipsec/ipsec_event_relay.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2012 Giuliano Grassi
+ * Copyright (C) 2012 Ralf Sager
+ * 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.
+ */
+
+/**
+ * @defgroup ipsec_event_relay ipsec_event_relay
+ * @{ @ingroup libipsec
+ */
+
+#ifndef IPSEC_EVENT_RELAY_H_
+#define IPSEC_EVENT_RELAY_H_
+
+#include "ipsec_event_listener.h"
+
+#include <library.h>
+
+typedef struct ipsec_event_relay_t ipsec_event_relay_t;
+
+/**
+ *  Event relay manager.
+ *
+ *  Used to notify upper layers about changes
+ */
+struct ipsec_event_relay_t {
+
+	/**
+	 * Raise an expire event.
+	 *
+	 * @param reqid			reqid of the expired IPsec SA
+	 * @param protocol		protocol (e.g ESP) of the expired SA
+	 * @param spi			SPI of the expired SA
+	 * @param hard			TRUE for a hard expire, FALSE otherwise
+	 */
+	void (*expire)(ipsec_event_relay_t *this, u_int32_t reqid,
+				   u_int8_t protocol, u_int32_t spi, bool hard);
+
+	/**
+	 * Register a listener to events raised by this manager
+	 *
+	 * @param listener		the listener to register
+	 */
+	void (*register_listener)(ipsec_event_relay_t *this,
+							  ipsec_event_listener_t *listener);
+
+	/**
+	 * Unregister a listener
+	 *
+	 * @param listener		the listener to unregister
+	 */
+	void (*unregister_listener)(ipsec_event_relay_t *this,
+								ipsec_event_listener_t *listener);
+
+	/**
+	 * Destroy an ipsec_event_relay_t
+	 */
+	void (*destroy)(ipsec_event_relay_t *this);
+
+};
+
+/**
+ * Create an ipsec_event_relay_t instance
+ *
+ * @return			IPsec event relay instance
+ */
+ipsec_event_relay_t *ipsec_event_relay_create();
+
+#endif /** IPSEC_EVENT_RELAY_H_ @}*/