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/**
* @file ike_cfg.h
*
* @brief Interface of ike_cfg_t.
*
*/
/*
* 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.
*/
#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>
/**
* @brief An ike_cfg_t defines the rules to set up an IKE_SA.
*
* @see peer_cfg_t to get an overview over the configurations.
*
* @b Constructors:
* - ike_cfg_create()
*
* @ingroup config
*/
struct ike_cfg_t {
/**
* @brief Get own address.
*
* @param this calling object
* @return host information as host_t object
*/
host_t* (*get_my_host) (ike_cfg_t *this);
/**
* @brief Get peers address.
*
* @param this calling object
* @return host information as host_t object
*/
host_t* (*get_other_host) (ike_cfg_t *this);
/**
* @brief Adds a proposal to the list.
*
* The first added proposal has the highest priority, the last
* added the lowest.
*
* @param this calling object
* @param proposal proposal to add
*/
void (*add_proposal) (ike_cfg_t *this, proposal_t *proposal);
/**
* @brief Returns a list of all supported proposals.
*
* Returned list and its proposals must be destroyed after use.
*
* @param this calling object
* @return list containing all the proposals
*/
linked_list_t* (*get_proposals) (ike_cfg_t *this);
/**
* @brief Select a proposed from suggested proposals.
*
* Returned proposal must be destroyed after use.
*
* @param this calling object
* @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);
/**
* @brief Should we send a certificate request in IKE_SA_INIT?
*
* @param this calling object
* @return certificate request sending policy
*/
bool (*send_certreq) (ike_cfg_t *this);
/**
* @brief Enforce UDP encapsulation by faking NATD notifies?
*
* @param this calling object
* @return TRUE to enfoce UDP encapsulation
*/
bool (*force_encap) (ike_cfg_t *this);
/**
* @brief Get the DH group to use for IKE_SA setup.
*
* @param this calling object
* @return dh group to use for initialization
*/
diffie_hellman_group_t (*get_dh_group)(ike_cfg_t *this);
/**
* @brief Get a new reference to this ike_cfg.
*
* Get a new reference to this ike_cfg by increasing
* it's internal reference counter.
* Do not call get_ref or any other function until you
* already have a reference. Otherwise the object may get
* destroyed while calling get_ref(),
*
* @param this calling object
*/
void (*get_ref) (ike_cfg_t *this);
/**
* @brief Destroys a ike_cfg_t object.
*
* Decrements the internal reference counter and
* destroys the ike_cfg when it reaches zero.
*
* @param this calling object
*/
void (*destroy) (ike_cfg_t *this);
};
/**
* @brief Creates a ike_cfg_t object.
*
* Supplied hosts become owned by ike_cfg, the name gets cloned.
*
* @param name ike_cfg identifier
* @param certreq TRUE to send a certificate request
* @param force_encap enforce UDP encapsulation by faking NATD notify
* @param my_host host_t representing local address
* @param other_host host_t representing remote address
* @return ike_cfg_t object.
*
* @ingroup config
*/
ike_cfg_t *ike_cfg_create(bool certreq, bool force_encap,
host_t *my_host, host_t *other_host);
#endif /* IKE_CFG_H_ */
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