- Import new upstream release 4.1.8.

1 files changed, 110 insertions, 0 deletions

diff --git a/src/charon/sa/tasks/ike_p2p.h b/src/charon/sa/tasks/ike_p2p.h
new file mode 100644
index 000000000..327ac49d8
--- /dev/null
+++ b/src/charon/sa/tasks/ike_p2p.h
@@ -0,0 +1,110 @@
+/**
+ * @file ike_p2p.h
+ * 
+ * @brief Interface ike_p2p_t.
+ * 
+ */
+
+/*
+ * Copyright (C) 2007 Tobias Brunner
+ * 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.
+ */
+
+#ifndef IKE_P2P_H_
+#define IKE_P2P_H_
+
+typedef struct ike_p2p_t ike_p2p_t;
+
+#include <library.h>
+#include <sa/ike_sa.h>
+#include <sa/tasks/task.h>
+
+/**
+ * @brief Task of type IKE_P2P, detects and handles P2P-NAT-T extensions.
+ *
+ * This tasks handles the P2P_MEDIATION notify exchange to setup a mediation
+ * connection, allows to initiate mediated connections using P2P_CONNECT
+ * exchanges and to request reflexive addresses from the mediation server using
+ * P2P_ENDPOINT notifies.
+ * 
+ * @note This task has to be activated before the IKE_AUTH task, because that
+ * task generates the IKE_SA_INIT message so that no more payloads can be added
+ * to it afterwards.
+ *
+ * @b Constructors:
+ *  - ike_p2p_create()
+ * 
+ * @ingroup tasks
+ */
+struct ike_p2p_t {
+
+	/**
+	 * Implements the task_t interface
+	 */
+	task_t task;
+	
+	/**
+	 * @brief Initiates a connection with another peer (i.e. sends a P2P_CONNECT
+	 * to the mediation server)
+	 *
+	 * @param this				object
+	 * @param peer_id			ID of the other peer (gets cloned)
+	 */
+	void (*connect)(ike_p2p_t *this, identification_t *peer_id);
+	
+	/**
+	 * @brief Responds to a P2P_CONNECT from another peer (i.e. sends a P2P_CONNECT
+	 * to the mediation server)
+	 * 
+	 * @param this				object
+	 * @param peer_id			ID of the other peer (gets cloned)
+	 * @param session_id		the session ID as provided by the initiator (gets cloned)
+	 */
+	void (*respond)(ike_p2p_t *this, identification_t *peer_id, chunk_t session_id);
+	
+	/**
+	 * @brief Sends a P2P_CALLBACK to a peer that previously requested another peer.
+	 * 
+	 * @param this				object
+	 * @param peer_id			ID of the other peer (gets cloned)
+	 */
+	void (*callback)(ike_p2p_t *this, identification_t *peer_id);
+	
+	/**
+	 * @brief Relays data to another peer (i.e. sends a P2P_CONNECT to the peer)
+	 * 
+	 * Data gets cloned.
+	 * 
+	 * @param this				object
+	 * @param requester			ID of the requesting peer
+	 * @param session_id		content of the P2P_SESSIONID notify
+	 * @param session_key		content of the P2P_SESSIONKEY notify
+	 * @param endpoints			endpoints
+	 * @param response			TRUE if this is a response
+	 */
+	void (*relay)(ike_p2p_t *this, identification_t *requester, chunk_t session_id,
+			chunk_t session_key, linked_list_t *endpoints, bool response);
+
+};
+
+/**
+ * @brief Create a new ike_p2p task.
+ *
+ * @param ike_sa		IKE_SA this task works for
+ * @param initiator		TRUE if taks is initiated by us
+ * @return			  	ike_p2p task to handle by the task_manager
+ */
+ike_p2p_t *ike_p2p_create(ike_sa_t *ike_sa, bool initiator);
+
+
+#endif /*IKE_P2P_H_*/