109 lines
2.9 KiB
C
109 lines
2.9 KiB
C
/*
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* Copyright (C) 2005-2007 Martin Willi
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* Copyright (C) 2005 Jan Hutter
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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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* $Id$
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*/
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#include "process_message_job.h"
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#include <daemon.h>
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typedef struct private_process_message_job_t private_process_message_job_t;
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/**
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* Private data of an process_message_job_t Object
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*/
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struct private_process_message_job_t {
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/**
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* public process_message_job_t interface
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*/
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process_message_job_t public;
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/**
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* Message associated with this job
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*/
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message_t *message;
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};
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/**
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* Implements job_t.destroy.
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*/
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static void destroy(private_process_message_job_t *this)
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{
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this->message->destroy(this->message);
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free(this);
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}
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/**
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* Implementation of job_t.execute.
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*/
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static void execute(private_process_message_job_t *this)
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{
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ike_sa_t *ike_sa;
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#ifdef P2P
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/* if this is an unencrypted INFORMATIONAL exchange it is likely a
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* connectivity check. */
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if (this->message->get_exchange_type(this->message) == INFORMATIONAL &&
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this->message->get_first_payload_type(this->message) != ENCRYPTED)
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{
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/* theoretically this could also be an error message
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* see RFC 4306, section 1.5. */
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DBG1(DBG_NET, "received unencrypted informational: from %#H to %#H",
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this->message->get_source(this->message),
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this->message->get_destination(this->message));
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charon->connect_manager->process_check(charon->connect_manager, this->message);
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destroy(this);
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return;
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}
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#endif /* P2P */
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ike_sa = charon->ike_sa_manager->checkout_by_message(charon->ike_sa_manager,
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this->message);
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if (ike_sa)
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{
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DBG1(DBG_NET, "received packet: from %#H to %#H",
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this->message->get_source(this->message),
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this->message->get_destination(this->message));
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if (ike_sa->process_message(ike_sa, this->message) == DESTROY_ME)
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{
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charon->ike_sa_manager->checkin_and_destroy(charon->ike_sa_manager,
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ike_sa);
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}
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else
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{
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charon->ike_sa_manager->checkin(charon->ike_sa_manager, ike_sa);
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}
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}
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destroy(this);
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}
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/*
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* Described in header
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*/
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process_message_job_t *process_message_job_create(message_t *message)
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{
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private_process_message_job_t *this = malloc_thing(private_process_message_job_t);
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/* interface functions */
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this->public.job_interface.execute = (void (*) (job_t *)) execute;
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this->public.job_interface.destroy = (void(*)(job_t*))destroy;
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/* private variables */
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this->message = message;
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return &(this->public);
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}
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