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/*
* Copyright (C) 2005-2006 Martin Willi
* Copyright (C) 2005 Jan Hutter
* HSR 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.
*/
#include "delete_ike_sa_job.h"
#include <daemon.h>
typedef struct private_delete_ike_sa_job_t private_delete_ike_sa_job_t;
/**
* Private data of an delete_ike_sa_job_t Object
*/
struct private_delete_ike_sa_job_t {
/**
* public delete_ike_sa_job_t interface
*/
delete_ike_sa_job_t public;
/**
* ID of the ike_sa to delete
*/
ike_sa_id_t *ike_sa_id;
/**
* Should the IKE_SA be deleted if it is in ESTABLISHED state?
*/
bool delete_if_established;
};
METHOD(job_t, destroy, void,
private_delete_ike_sa_job_t *this)
{
this->ike_sa_id->destroy(this->ike_sa_id);
free(this);
}
METHOD(job_t, execute, job_requeue_t,
private_delete_ike_sa_job_t *this)
{
ike_sa_t *ike_sa;
ike_sa = charon->ike_sa_manager->checkout(charon->ike_sa_manager,
this->ike_sa_id);
if (ike_sa)
{
if (ike_sa->get_state(ike_sa) == IKE_PASSIVE)
{
charon->ike_sa_manager->checkin(charon->ike_sa_manager, ike_sa);
return JOB_REQUEUE_NONE;
}
if (this->delete_if_established)
{
if (ike_sa->delete(ike_sa, FALSE) == DESTROY_ME)
{
charon->ike_sa_manager->checkin_and_destroy(
charon->ike_sa_manager, ike_sa);
}
else
{
charon->ike_sa_manager->checkin(charon->ike_sa_manager, ike_sa);
}
}
else
{
/* destroy IKE_SA only if it did not complete connecting phase */
if (ike_sa->get_state(ike_sa) != IKE_CONNECTING)
{
charon->ike_sa_manager->checkin(charon->ike_sa_manager, ike_sa);
}
else if (ike_sa->get_version(ike_sa) == IKEV1 &&
ike_sa->has_condition(ike_sa, COND_ORIGINAL_INITIATOR))
{ /* as initiator we waited for the peer to initiate e.g. an
* XAuth exchange, reauth the SA to eventually trigger DPD */
DBG1(DBG_JOB, "peer did not initiate expected exchange, "
"reestablishing IKE_SA");
ike_sa->reauth(ike_sa);
charon->ike_sa_manager->checkin_and_destroy(
charon->ike_sa_manager, ike_sa);
}
else
{
DBG1(DBG_JOB, "deleting half open IKE_SA with %H after "
"timeout", ike_sa->get_other_host(ike_sa));
charon->bus->alert(charon->bus, ALERT_HALF_OPEN_TIMEOUT);
charon->ike_sa_manager->checkin_and_destroy(
charon->ike_sa_manager, ike_sa);
}
}
}
return JOB_REQUEUE_NONE;
}
METHOD(job_t, get_priority, job_priority_t,
private_delete_ike_sa_job_t *this)
{
return JOB_PRIO_MEDIUM;
}
/*
* Described in header
*/
delete_ike_sa_job_t *delete_ike_sa_job_create(ike_sa_id_t *ike_sa_id,
bool delete_if_established)
{
private_delete_ike_sa_job_t *this;
INIT(this,
.public = {
.job_interface = {
.execute = _execute,
.get_priority = _get_priority,
.destroy = _destroy,
},
},
.ike_sa_id = ike_sa_id->clone(ike_sa_id),
.delete_if_established = delete_if_established,
);
return &(this->public);
}
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