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/*
* Copyright (C) 2005-2007 Martin Willi
* Copyright (C) 2005 Jan Hutter
* 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_cfg ike_cfg
* @{ @ingroup config
*/
#ifndef IKE_CFG_H_
#define IKE_CFG_H_
typedef struct ike_cfg_t ike_cfg_t;
#include <library.h>
#include <utils/host.h>
#include <utils/linked_list.h>
#include <utils/identification.h>
#include <config/proposal.h>
#include <crypto/diffie_hellman.h>
/**
* An ike_cfg_t defines the rules to set up an IKE_SA.
*
* @see peer_cfg_t to get an overview over the configurations.
*/
struct ike_cfg_t {
/**
* Get own address.
*
* @return string of address/DNS name
*/
char* (*get_my_addr) (ike_cfg_t *this);
/**
* Get peers address.
*
* @return string of address/DNS name
*/
char* (*get_other_addr) (ike_cfg_t *this);
/**
* Adds a proposal to the list.
*
* The first added proposal has the highest priority, the last
* added the lowest.
*
* @param proposal proposal to add
*/
void (*add_proposal) (ike_cfg_t *this, proposal_t *proposal);
/**
* Returns a list of all supported proposals.
*
* Returned list and its proposals must be destroyed after use.
*
* @return list containing all the proposals
*/
linked_list_t* (*get_proposals) (ike_cfg_t *this);
/**
* Select a proposed from suggested proposals.
*
* Returned proposal must be destroyed after use.
*
* @param proposals list of proposals to select from
* @return selected proposal, or NULL if none matches.
*/
proposal_t *(*select_proposal) (ike_cfg_t *this, linked_list_t *proposals);
/**
* Should we send a certificate request in IKE_SA_INIT?
*
* @return certificate request sending policy
*/
bool (*send_certreq) (ike_cfg_t *this);
/**
* Enforce UDP encapsulation by faking NATD notifies?
*
* @return TRUE to enfoce UDP encapsulation
*/
bool (*force_encap) (ike_cfg_t *this);
/**
* Get the DH group to use for IKE_SA setup.
*
* @return dh group to use for initialization
*/
diffie_hellman_group_t (*get_dh_group)(ike_cfg_t *this);
/**
* Check if two IKE configs are equal.
*
* @param other other to check for equality
* @return TRUE if other equal to this
*/
bool (*equals)(ike_cfg_t *this, ike_cfg_t *other);
/**
* Increase reference count.
*
* @return reference to this
*/
ike_cfg_t* (*get_ref) (ike_cfg_t *this);
/**
* Destroys a ike_cfg_t object.
*
* Decrements the internal reference counter and
* destroys the ike_cfg when it reaches zero.
*/
void (*destroy) (ike_cfg_t *this);
};
/**
* Creates a ike_cfg_t object.
*
* Supplied hosts become owned by ike_cfg, the name gets cloned.
*
* @param certreq TRUE to send a certificate request
* @param force_encap enforce UDP encapsulation by faking NATD notify
* @param me address/DNS name of local peer
* @param other address/DNS name of remote peer
* @return ike_cfg_t object.
*/
ike_cfg_t *ike_cfg_create(bool certreq, bool force_encap,
char *me, char *other);
#endif /** IKE_CFG_H_ @}*/
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