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/*
* 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.
*/
/**
* @defgroup ike_me ike_me
* @{ @ingroup tasks
*/
#ifndef IKE_ME_H_
#define IKE_ME_H_
typedef struct ike_me_t ike_me_t;
#include <library.h>
#include <sa/ike_sa.h>
#include <sa/tasks/task.h>
/**
* Task of type IKE_ME, detects and handles IKE-ME extensions.
*
* This tasks handles the ME_MEDIATION Notify exchange to setup a mediation
* connection, allows to initiate mediated connections using ME_CONNECT
* exchanges and to request reflexive addresses from the mediation server using
* ME_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_me_t {
/**
* Implements the task_t interface
*/
task_t task;
/**
* Initiates a connection with another peer (i.e. sends a ME_CONNECT
* to the mediation server)
*
* @param peer_id ID of the other peer (gets cloned)
*/
void (*connect)(ike_me_t *this, identification_t *peer_id);
/**
* Responds to a ME_CONNECT from another peer (i.e. sends a ME_CONNECT
* to the mediation server)
*
* @param peer_id ID of the other peer (gets cloned)
* @param connect_id the connect ID as provided by the initiator (gets cloned)
*/
void (*respond)(ike_me_t *this, identification_t *peer_id, chunk_t connect_id);
/**
* Sends a ME_CALLBACK to a peer that previously requested another peer.
*
* @param peer_id ID of the other peer (gets cloned)
*/
void (*callback)(ike_me_t *this, identification_t *peer_id);
/**
* Relays data to another peer (i.e. sends a ME_CONNECT to the peer)
*
* Data gets cloned.
*
* @param requester ID of the requesting peer
* @param connect_id content of the ME_CONNECTID notify
* @param connect_key content of the ME_CONNECTKEY notify
* @param endpoints endpoints
* @param response TRUE if this is a response
*/
void (*relay)(ike_me_t *this, identification_t *requester, chunk_t connect_id,
chunk_t connect_key, linked_list_t *endpoints, bool response);
};
/**
* Create a new ike_me task.
*
* @param ike_sa IKE_SA this task works for
* @param initiator TRUE if taks is initiated by us
* @return ike_me task to handle by the task_manager
*/
ike_me_t *ike_me_create(ike_sa_t *ike_sa, bool initiator);
#endif /** IKE_ME_H_ @}*/
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