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/*
* Copyright (C) 2008 Andreas Steffen
* 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.
*
* $Id: migrate_job.c 4662 2008-11-16 21:19:58Z andreas $
*/
#include "migrate_job.h"
#include <daemon.h>
#include <config/child_cfg.h>
typedef struct private_migrate_job_t private_migrate_job_t;
/**
* Private data of a migrate_job_t object.
*/
struct private_migrate_job_t {
/**
* Public migrate_job_t interface.
*/
migrate_job_t public;
/**
* reqid of the CHILD_SA if it already exists
*/
u_int32_t reqid;
/**
* source traffic selector
*/
traffic_selector_t *src_ts;
/**
* destination traffic selector
*/
traffic_selector_t *dst_ts;
/**
* local host address to be used for IKE
*/
host_t *local;
/**
* remote host address to be used for IKE
*/
host_t *remote;
};
/**
* Implementation of job_t.destroy.
*/
static void destroy(private_migrate_job_t *this)
{
DESTROY_IF(this->src_ts);
DESTROY_IF(this->dst_ts);
DESTROY_IF(this->local);
DESTROY_IF(this->remote);
free(this);
}
/**
* Implementation of job_t.execute.
*/
static void execute(private_migrate_job_t *this)
{
ike_sa_t *ike_sa = NULL;
if (this->reqid)
{
ike_sa = charon->ike_sa_manager->checkout_by_id(charon->ike_sa_manager,
this->reqid, TRUE);
}
if (ike_sa)
{
iterator_t *children;
child_sa_t *child_sa;
host_t *host;
children = ike_sa->create_child_sa_iterator(ike_sa);
while (children->iterate(children, (void**)&child_sa))
{
if (child_sa->get_reqid(child_sa) == this->reqid)
{
break;
}
}
children->destroy(children);
DBG2(DBG_JOB, "found CHILD_SA with reqid {%d}", this->reqid);
ike_sa->set_kmaddress(ike_sa, this->local, this->remote);
host = this->local->clone(this->local);
host->set_port(host, IKEV2_UDP_PORT);
ike_sa->set_my_host(ike_sa, host);
host = this->remote->clone(this->remote);
host->set_port(host, IKEV2_UDP_PORT);
ike_sa->set_other_host(ike_sa, host);
if (child_sa->update_hosts(child_sa, this->local, this->remote,
ike_sa->get_virtual_ip(ike_sa, TRUE),
ike_sa->has_condition(ike_sa, COND_NAT_ANY)) == NOT_SUPPORTED)
{
ike_sa->rekey_child_sa(ike_sa, child_sa->get_protocol(child_sa),
child_sa->get_spi(child_sa, TRUE));
}
charon->ike_sa_manager->checkin(charon->ike_sa_manager, ike_sa);
}
else
{
DBG1(DBG_JOB, "no CHILD_SA found with reqid {%d}", this->reqid);
}
destroy(this);
}
/*
* Described in header
*/
migrate_job_t *migrate_job_create(u_int32_t reqid,
traffic_selector_t *src_ts,
traffic_selector_t *dst_ts,
policy_dir_t dir,
host_t *local, host_t *remote)
{
private_migrate_job_t *this = malloc_thing(private_migrate_job_t);
/* interface functions */
this->public.job_interface.execute = (void (*) (job_t *)) execute;
this->public.job_interface.destroy = (void (*)(job_t*)) destroy;
/* private variables */
this->reqid = reqid;
this->src_ts = (dir == POLICY_OUT) ? src_ts : dst_ts;
this->dst_ts = (dir == POLICY_OUT) ? dst_ts : src_ts;
this->local = local;
this->remote = remote;
return &this->public;
}
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