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/*
* Copyright (C) 2009 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 trap_manager trap_manager
* @{ @ingroup sa
*/
#ifndef TRAP_MANAGER_H_
#define TRAP_MANAGER_H_
#include <library.h>
#include <collections/enumerator.h>
#include <config/peer_cfg.h>
typedef struct trap_manager_t trap_manager_t;
/**
* Manage policies to create SAs from traffic.
*/
struct trap_manager_t {
/**
* Install a policy as a trap.
*
* @param peer peer configuration to initiate on trap
* @param child child configuration to install as a trap
* @param reqid optional reqid to use
* @return reqid of installed CHILD_SA, 0 if failed
*/
uint32_t (*install)(trap_manager_t *this, peer_cfg_t *peer,
child_cfg_t *child, uint32_t reqid);
/**
* Uninstall a trap policy.
*
* @param id reqid of CHILD_SA to uninstall, returned by install()
* @return TRUE if uninstalled successfully
*/
bool (*uninstall)(trap_manager_t *this, uint32_t reqid);
/**
* Create an enumerator over all installed traps.
*
* @return enumerator over (peer_cfg_t, child_sa_t)
*/
enumerator_t* (*create_enumerator)(trap_manager_t *this);
/**
* Find the reqid of a child config installed as a trap.
*
* @param child CHILD_SA config to get the reqid for
* @return reqid of trap, 0 if not found
*/
uint32_t (*find_reqid)(trap_manager_t *this, child_cfg_t *child);
/**
* Acquire an SA triggered by an installed trap.
*
* @param reqid requid of the triggering CHILD_SA
* @param src source of the triggering packet
* @param dst destination of the triggering packet
*/
void (*acquire)(trap_manager_t *this, uint32_t reqid,
traffic_selector_t *src, traffic_selector_t *dst);
/**
* Clear any installed trap.
*/
void (*flush)(trap_manager_t *this);
/**
* Destroy a trap_manager_t.
*/
void (*destroy)(trap_manager_t *this);
};
/**
* Create a trap_manager instance.
*/
trap_manager_t *trap_manager_create();
#endif /** TRAP_MANAGER_H_ @}*/
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