197 lines
5.6 KiB
C
197 lines
5.6 KiB
C
/*
|
|
* Copyright (C) 2012-2013 Tobias Brunner
|
|
* 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 "kernel_libipsec_ipsec.h"
|
|
|
|
#include <library.h>
|
|
#include <ipsec.h>
|
|
#include <hydra.h>
|
|
#include <networking/tun_device.h>
|
|
#include <utils/debug.h>
|
|
|
|
typedef struct private_kernel_libipsec_ipsec_t private_kernel_libipsec_ipsec_t;
|
|
|
|
struct private_kernel_libipsec_ipsec_t {
|
|
|
|
/**
|
|
* Public libipsec_ipsec interface
|
|
*/
|
|
kernel_libipsec_ipsec_t public;
|
|
|
|
/**
|
|
* Listener for lifetime expire events
|
|
*/
|
|
ipsec_event_listener_t ipsec_listener;
|
|
|
|
/**
|
|
* TUN device
|
|
*/
|
|
tun_device_t *tun;
|
|
};
|
|
|
|
/**
|
|
* Expiration callback
|
|
*/
|
|
static void expire(u_int32_t reqid, u_int8_t protocol, u_int32_t spi, bool hard)
|
|
{
|
|
hydra->kernel_interface->expire(hydra->kernel_interface, reqid, protocol,
|
|
spi, hard);
|
|
}
|
|
|
|
METHOD(kernel_ipsec_t, get_spi, status_t,
|
|
private_kernel_libipsec_ipsec_t *this, host_t *src, host_t *dst,
|
|
u_int8_t protocol, u_int32_t reqid, u_int32_t *spi)
|
|
{
|
|
return ipsec->sas->get_spi(ipsec->sas, src, dst, protocol, reqid, spi);
|
|
}
|
|
|
|
METHOD(kernel_ipsec_t, get_cpi, status_t,
|
|
private_kernel_libipsec_ipsec_t *this, host_t *src, host_t *dst,
|
|
u_int32_t reqid, u_int16_t *cpi)
|
|
{
|
|
return NOT_SUPPORTED;
|
|
}
|
|
|
|
METHOD(kernel_ipsec_t, add_sa, status_t,
|
|
private_kernel_libipsec_ipsec_t *this, host_t *src, host_t *dst,
|
|
u_int32_t spi, u_int8_t protocol, u_int32_t reqid, mark_t mark,
|
|
u_int32_t tfc, lifetime_cfg_t *lifetime, u_int16_t enc_alg, chunk_t enc_key,
|
|
u_int16_t int_alg, chunk_t int_key, ipsec_mode_t mode, u_int16_t ipcomp,
|
|
u_int16_t cpi, bool initiator, bool encap, bool esn, bool inbound,
|
|
traffic_selector_t *src_ts, traffic_selector_t *dst_ts)
|
|
{
|
|
return ipsec->sas->add_sa(ipsec->sas, src, dst, spi, protocol, reqid, mark,
|
|
tfc, lifetime, enc_alg, enc_key, int_alg, int_key,
|
|
mode, ipcomp, cpi, initiator, encap, esn, inbound,
|
|
src_ts, dst_ts);
|
|
}
|
|
|
|
METHOD(kernel_ipsec_t, update_sa, status_t,
|
|
private_kernel_libipsec_ipsec_t *this, u_int32_t spi, u_int8_t protocol,
|
|
u_int16_t cpi, host_t *src, host_t *dst, host_t *new_src, host_t *new_dst,
|
|
bool encap, bool new_encap, mark_t mark)
|
|
{
|
|
return NOT_SUPPORTED;
|
|
}
|
|
|
|
METHOD(kernel_ipsec_t, query_sa, status_t,
|
|
private_kernel_libipsec_ipsec_t *this, host_t *src, host_t *dst,
|
|
u_int32_t spi, u_int8_t protocol, mark_t mark, u_int64_t *bytes,
|
|
u_int64_t *packets, u_int32_t *time)
|
|
{
|
|
return NOT_SUPPORTED;
|
|
}
|
|
|
|
METHOD(kernel_ipsec_t, del_sa, status_t,
|
|
private_kernel_libipsec_ipsec_t *this, host_t *src, host_t *dst,
|
|
u_int32_t spi, u_int8_t protocol, u_int16_t cpi, mark_t mark)
|
|
{
|
|
return ipsec->sas->del_sa(ipsec->sas, src, dst, spi, protocol, cpi, mark);
|
|
}
|
|
|
|
METHOD(kernel_ipsec_t, flush_sas, status_t,
|
|
private_kernel_libipsec_ipsec_t *this)
|
|
{
|
|
return ipsec->sas->flush_sas(ipsec->sas);
|
|
}
|
|
|
|
METHOD(kernel_ipsec_t, add_policy, status_t,
|
|
private_kernel_libipsec_ipsec_t *this, host_t *src, host_t *dst,
|
|
traffic_selector_t *src_ts, traffic_selector_t *dst_ts,
|
|
policy_dir_t direction, policy_type_t type, ipsec_sa_cfg_t *sa, mark_t mark,
|
|
policy_priority_t priority)
|
|
{
|
|
return ipsec->policies->add_policy(ipsec->policies, src, dst, src_ts,
|
|
dst_ts, direction, type, sa, mark, priority);
|
|
}
|
|
|
|
METHOD(kernel_ipsec_t, query_policy, status_t,
|
|
private_kernel_libipsec_ipsec_t *this, traffic_selector_t *src_ts,
|
|
traffic_selector_t *dst_ts, policy_dir_t direction, mark_t mark,
|
|
u_int32_t *use_time)
|
|
{
|
|
return NOT_SUPPORTED;
|
|
}
|
|
|
|
METHOD(kernel_ipsec_t, del_policy, status_t,
|
|
private_kernel_libipsec_ipsec_t *this, traffic_selector_t *src_ts,
|
|
traffic_selector_t *dst_ts, policy_dir_t direction, u_int32_t reqid,
|
|
mark_t mark, policy_priority_t priority)
|
|
{
|
|
return ipsec->policies->del_policy(ipsec->policies, src_ts, dst_ts,
|
|
direction, reqid, mark, priority);
|
|
}
|
|
|
|
METHOD(kernel_ipsec_t, flush_policies, status_t,
|
|
private_kernel_libipsec_ipsec_t *this)
|
|
{
|
|
return ipsec->policies->flush_policies(ipsec->policies);
|
|
}
|
|
|
|
METHOD(kernel_ipsec_t, bypass_socket, bool,
|
|
private_kernel_libipsec_ipsec_t *this, int fd, int family)
|
|
{
|
|
return NOT_SUPPORTED;
|
|
}
|
|
|
|
METHOD(kernel_ipsec_t, enable_udp_decap, bool,
|
|
private_kernel_libipsec_ipsec_t *this, int fd, int family, u_int16_t port)
|
|
{
|
|
return NOT_SUPPORTED;
|
|
}
|
|
|
|
METHOD(kernel_ipsec_t, destroy, void,
|
|
private_kernel_libipsec_ipsec_t *this)
|
|
{
|
|
ipsec->events->unregister_listener(ipsec->events, &this->ipsec_listener);
|
|
free(this);
|
|
}
|
|
|
|
/*
|
|
* Described in header.
|
|
*/
|
|
kernel_libipsec_ipsec_t *kernel_libipsec_ipsec_create()
|
|
{
|
|
private_kernel_libipsec_ipsec_t *this;
|
|
|
|
INIT(this,
|
|
.public = {
|
|
.interface = {
|
|
.get_spi = _get_spi,
|
|
.get_cpi = _get_cpi,
|
|
.add_sa = _add_sa,
|
|
.update_sa = _update_sa,
|
|
.query_sa = _query_sa,
|
|
.del_sa = _del_sa,
|
|
.flush_sas = _flush_sas,
|
|
.add_policy = _add_policy,
|
|
.query_policy = _query_policy,
|
|
.del_policy = _del_policy,
|
|
.flush_policies = _flush_policies,
|
|
.bypass_socket = _bypass_socket,
|
|
.enable_udp_decap = _enable_udp_decap,
|
|
.destroy = _destroy,
|
|
},
|
|
},
|
|
.ipsec_listener = {
|
|
.expire = expire,
|
|
},
|
|
.tun = lib->get(lib, "kernel-libipsec-tun"),
|
|
);
|
|
|
|
ipsec->events->register_listener(ipsec->events, &this->ipsec_listener);
|
|
|
|
return &this->public;
|
|
};
|