133 lines
4.1 KiB
C
133 lines
4.1 KiB
C
/*
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* Copyright (C) 2018 Tobias Brunner
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* Copyright (C) 2007 Martin Willi
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* HSR Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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/**
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* @defgroup backend_manager backend_manager
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* @{ @ingroup config
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*/
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#ifndef BACKEND_MANAGER_H_
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#define BACKEND_MANAGER_H_
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typedef struct backend_manager_t backend_manager_t;
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#include <library.h>
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#include <networking/host.h>
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#include <utils/identification.h>
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#include <config/ike_cfg.h>
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#include <config/peer_cfg.h>
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#include <config/backend.h>
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/**
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* A loader and multiplexer to use multiple backends.
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*
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* Charon allows the use of multiple configuration backends simultaneously. To
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* access all this backends by a single call, this class wraps multiple
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* backends behind a single object.
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* @verbatim
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+---------+ +-----------+ +--------------+ |
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| | | | +--------------+ | |
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| daemon |----->| backend_- | +--------------+ |-+ <==|==> IPC
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| core | | manager |---->| backends |-+ |
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| |----->| | +--------------+ |
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| | | | |
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+---------+ +-----------+ |
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@endverbatim
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*/
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struct backend_manager_t {
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/**
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* Get an ike_config identified by two hosts.
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*
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* @param my_host address of own host
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* @param other_host address of remote host
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* @param version IKE version to get a config for
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* @return matching ike_config, or NULL if none found
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*/
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ike_cfg_t* (*get_ike_cfg)(backend_manager_t *this,
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host_t *my_host, host_t *other_host,
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ike_version_t version);
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/**
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* Create an enumerator over all matching IKE configs.
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*
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* Pass NULL as parameters to match any. The enumerator enumerates over
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* ike_cfgs, ordered by priority (best match first).
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*
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* @param me local address
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* @param other remote address
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* @param version IKE version to get a config for
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* @return enumerator over ike_cfg
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*/
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enumerator_t* (*create_ike_cfg_enumerator)(backend_manager_t *this,
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host_t *me, host_t *other, ike_version_t version);
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/**
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* Get a peer_config identified by it's name.
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*
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* @param name name of the peer_config
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* @return matching peer_config, or NULL if none found
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*/
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peer_cfg_t* (*get_peer_cfg_by_name)(backend_manager_t *this, char *name);
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/**
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* Create an enumerator over all matching peer configs.
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*
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* Pass NULL as parameters to match any. The enumerator enumerates over
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* peer_cfgs, ordered by priority (best match first).
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*
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* @param me local address
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* @param other remote address
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* @param my_id IDr in first authentication round
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* @param other_id IDi in first authentication round
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* @param version IKE version to get a config for
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* @return enumerator over peer_cfg_t
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*/
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enumerator_t* (*create_peer_cfg_enumerator)(backend_manager_t *this,
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host_t *me, host_t *other, identification_t *my_id,
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identification_t *other_id, ike_version_t version);
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/**
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* Register a backend on the manager.
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*
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* @param backend backend to register
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*/
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void (*add_backend)(backend_manager_t *this, backend_t *backend);
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/**
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* Unregister a backend.
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*
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* @param backend backend to unregister
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*/
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void (*remove_backend)(backend_manager_t *this, backend_t *backend);
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/**
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* Destroys a backend_manager_t object.
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*/
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void (*destroy) (backend_manager_t *this);
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};
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/**
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* Create an instance of the backend manager
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*
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* @return backend_manager instance
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*/
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backend_manager_t* backend_manager_create(void);
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#endif /** BACKEND_MANAGER_H_ @}*/
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