101 lines
3.0 KiB
C
101 lines
3.0 KiB
C
/*
|
|
* 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.
|
|
*
|
|
* $Id$
|
|
*/
|
|
|
|
/**
|
|
* @defgroup ike_p2p ike_p2p
|
|
* @{ @ingroup tasks
|
|
*/
|
|
|
|
#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>
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
struct ike_p2p_t {
|
|
|
|
/**
|
|
* Implements the task_t interface
|
|
*/
|
|
task_t task;
|
|
|
|
/**
|
|
* Initiates a connection with another peer (i.e. sends a P2P_CONNECT
|
|
* to the mediation server)
|
|
*
|
|
* @param peer_id ID of the other peer (gets cloned)
|
|
*/
|
|
void (*connect)(ike_p2p_t *this, identification_t *peer_id);
|
|
|
|
/**
|
|
* Responds to a P2P_CONNECT from another peer (i.e. sends a P2P_CONNECT
|
|
* to the mediation server)
|
|
*
|
|
* @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);
|
|
|
|
/**
|
|
* Sends a P2P_CALLBACK to a peer that previously requested another peer.
|
|
*
|
|
* @param peer_id ID of the other peer (gets cloned)
|
|
*/
|
|
void (*callback)(ike_p2p_t *this, identification_t *peer_id);
|
|
|
|
/**
|
|
* Relays data to another peer (i.e. sends a P2P_CONNECT to the peer)
|
|
*
|
|
* Data gets cloned.
|
|
*
|
|
* @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);
|
|
|
|
};
|
|
|
|
/**
|
|
* 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_ @} */
|