94 lines
2.5 KiB
C
94 lines
2.5 KiB
C
/*
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* Copyright (C) 2007 Martin Willi
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* 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 ike_mobike ike_mobike
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* @{ @ingroup tasks
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*/
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#ifndef IKE_MOBIKE_H_
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#define IKE_MOBIKE_H_
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typedef struct ike_mobike_t ike_mobike_t;
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#include <library.h>
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#include <sa/ike_sa.h>
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#include <sa/tasks/task.h>
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#include <network/packet.h>
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/**
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* Task of type ike_mobike, detects and handles MOBIKE extension.
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*
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* The MOBIKE extension is defined in RFC4555. It allows to update IKE
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* and IPsec tunnel addresses.
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* This tasks handles the MOBIKE_SUPPORTED notify exchange to detect MOBIKE
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* support, allows the exchange of ADDITIONAL_*_ADDRESS to exchange additional
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* endpoints and handles the UPDATE_SA_ADDRESS notify to finally update
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* endpoints.
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*/
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struct ike_mobike_t {
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/**
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* Implements the task_t interface
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*/
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task_t task;
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/**
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* Use the task to update the list of additional addresses.
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*/
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void (*addresses)(ike_mobike_t *this);
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/**
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* Use the task to roam to other addresses.
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*
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* @param address TRUE to include address list update
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*/
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void (*roam)(ike_mobike_t *this, bool address);
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/**
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* Use the task for a DPD check which detects changes in NAT mappings.
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*/
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void (*dpd)(ike_mobike_t *this);
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/**
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* Transmision hook, called by task manager.
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*
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* The task manager calls this hook whenever it transmits a packet. It
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* allows the mobike task to send the packet on multiple paths to do path
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* probing.
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*
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* @param packet the packet to transmit
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*/
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void (*transmit)(ike_mobike_t *this, packet_t *packet);
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/**
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* Check if this task is probing for routability.
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*
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* @return TRUE if task is probing
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*/
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bool (*is_probing)(ike_mobike_t *this);
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};
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/**
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* Create a new ike_mobike task.
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*
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* @param ike_sa IKE_SA this task works for
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* @param initiator TRUE if taks is initiated by us
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* @return ike_mobike task to handle by the task_manager
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*/
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ike_mobike_t *ike_mobike_create(ike_sa_t *ike_sa, bool initiator);
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#endif /** IKE_MOBIKE_H_ @}*/
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