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/*
* Copyright (C) 2014 Martin Willi
* Copyright (C) 2014 revosec AG
*
* 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_sa_manager child_sa_manager
* @{ @ingroup sa
*/
#ifndef CHILD_SA_MANAGER_H_
#define CHILD_SA_MANAGER_H_
#include <sa/ike_sa.h>
#include <sa/child_sa.h>
typedef struct child_sa_manager_t child_sa_manager_t;
/**
* Handle CHILD_SA to IKE_SA relations
*/
struct child_sa_manager_t {
/**
* Register a CHILD_SA/IKE_SA relation.
*
* @param child_sa CHILD_SA to register
* @param ike_sa IKE_SA owning the CHILD_SA
*/
void (*add)(child_sa_manager_t *this, child_sa_t *child_sa, ike_sa_t *ike_sa);
/**
* Unregister a CHILD_SA/IKE_SA relation.
*
* @param child_sa CHILD_SA to unregister
*/
void (*remove)(child_sa_manager_t *this, child_sa_t *child_sa);
/**
* Find a CHILD_SA and check out the associated IKE_SA by SPI.
*
* On success, the returned IKE_SA must be checked in after use to
* the IKE_SA manager.
*
* @param protocol IPsec protocol, AH|ESP
* @param spi SPI of CHILD_SA to check out
* @param dst SA destination host related to SPI
* @param child_sa returns CHILD_SA managed by IKE_SA
* @return IKE_SA, NULL if not found
*/
ike_sa_t *(*checkout)(child_sa_manager_t *this,
protocol_id_t protocol, uint32_t spi, host_t *dst,
child_sa_t **child_sa);
/**
* Find a CHILD_SA and check out the associated IKE_SA by unique_id.
*
* On success, the returned IKE_SA must be checked in after use to
* the IKE_SA manager.
*
* @param unique_id unique ID of CHILD_SA to check out
* @param child_sa returns CHILD_SA managed by IKE_SA
* @return IKE_SA, NULL if not found
*/
ike_sa_t *(*checkout_by_id)(child_sa_manager_t *this, uint32_t unique_id,
child_sa_t **child_sa);
/**
* Destroy a child_sa_manager_t.
*/
void (*destroy)(child_sa_manager_t *this);
};
/**
* Create a child_sa_manager instance.
*/
child_sa_manager_t *child_sa_manager_create();
#endif /** CHILD_SA_MANAGER_H_ @}*/
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