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/*
* Copyright (C) 2007 Martin Willi
* 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 child_create child_create
* @{ @ingroup tasks_v2
*/
#ifndef CHILD_CREATE_H_
#define CHILD_CREATE_H_
typedef struct child_create_t child_create_t;
#include <library.h>
#include <sa/ike_sa.h>
#include <sa/task.h>
#include <config/child_cfg.h>
/**
* Task of type TASK_CHILD_CREATE, established a new CHILD_SA.
*
* This task may be included in the IKE_AUTH message or in a separate
* CREATE_CHILD_SA exchange.
*/
struct child_create_t {
/**
* Implements the task_t interface
*/
task_t task;
/**
* Use a specific reqid for the CHILD_SA.
*
* When this task is used for rekeying, the same reqid is used
* for the new CHILD_SA.
*
* @param reqid reqid to use
*/
void (*use_reqid) (child_create_t *this, u_int32_t reqid);
/**
* Get the lower of the two nonces, used for rekey collisions.
*
* @return lower nonce
*/
chunk_t (*get_lower_nonce) (child_create_t *this);
/**
* Get the CHILD_SA established/establishing by this task.
*
* @return child_sa
*/
child_sa_t* (*get_child) (child_create_t *this);
/**
* Enforce a specific CHILD_SA config as responder.
*
* @param cfg configuration to enforce, reference gets owned
*/
void (*set_config)(child_create_t *this, child_cfg_t *cfg);
};
/**
* Create a new child_create task.
*
* @param ike_sa IKE_SA this task works for
* @param config child_cfg if task initiator, NULL if responder
* @param rekey whether we do a rekey or not
* @param tsi source of triggering packet, or NULL
* @param tsr destination of triggering packet, or NULL
* @return child_create task to handle by the task_manager
*/
child_create_t *child_create_create(ike_sa_t *ike_sa,
child_cfg_t *config, bool rekey,
traffic_selector_t *tsi, traffic_selector_t *tsr);
#endif /** CHILD_CREATE_H_ @}*/
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