72 lines
2.3 KiB
C
72 lines
2.3 KiB
C
/*
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* Copyright (C) 2008 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 attribute_provider attribute_provider
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* @{ @ingroup attributes
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*/
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#ifndef ATTRIBUTE_PROVIDER_H_
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#define ATTRIBUTE_PROVIDER_H_
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#include <sa/ike_sa.h>
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#include <networking/host.h>
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#include <collections/linked_list.h>
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typedef struct attribute_provider_t attribute_provider_t;
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/**
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* Interface to provide attributes to peers through attribute manager.
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*/
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struct attribute_provider_t {
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/**
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* Acquire a virtual IP address to assign to a peer.
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*
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* @param pools list of pool names (char*) to acquire from
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* @param ike_sa associated IKE_SA to assign address over
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* @param requested IP in configuration request
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* @return allocated address, NULL to serve none
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*/
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host_t* (*acquire_address)(attribute_provider_t *this,
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linked_list_t *pools, ike_sa_t *ike_sa,
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host_t *requested);
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/**
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* Release a previously acquired address.
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*
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* @param pools list of pool names (char*) to release to
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* @param address address to release
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* @param ike_sa IKE_SA to release address for
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* @return TRUE if the address has been released by the provider
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*/
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bool (*release_address)(attribute_provider_t *this,
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linked_list_t *pools, host_t *address,
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ike_sa_t *ike_sa);
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/**
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* Create an enumerator over attributes to hand out to a peer.
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*
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* @param pool list of pools names (char*) to query attributes from
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* @param ike_sa IKE_SA to request attributes for
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* @param vip list of virtual IPs (host_t*) to assign to peer
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* @return enumerator (configuration_attribute_type_t, chunk_t)
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*/
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enumerator_t* (*create_attribute_enumerator)(attribute_provider_t *this,
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linked_list_t *pools, ike_sa_t *ike_sa,
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linked_list_t *vips);
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};
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#endif /** ATTRIBUTE_PROVIDER_H_ @}*/
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