783 lines
21 KiB
C
783 lines
21 KiB
C
/*
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* Copyright (C) 2013 Tobias Brunner
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* Copyright (C) 2008-2009 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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#include <nm-setting-vpn.h>
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#include <nm-setting-connection.h>
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#include "nm_service.h"
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#include <daemon.h>
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#include <networking/host.h>
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#include <utils/identification.h>
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#include <config/peer_cfg.h>
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#include <credentials/certificates/x509.h>
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#include <networking/tun_device.h>
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#include <stdio.h>
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G_DEFINE_TYPE(NMStrongswanPlugin, nm_strongswan_plugin, NM_TYPE_VPN_PLUGIN)
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/**
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* Private data of NMStrongswanPlugin
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*/
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typedef struct {
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/* implements bus listener interface */
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listener_t listener;
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/* IKE_SA we are listening on */
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ike_sa_t *ike_sa;
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/* backref to public plugin */
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NMVPNPlugin *plugin;
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/* credentials to use for authentication */
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nm_creds_t *creds;
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/* attribute handler for DNS/NBNS server information */
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nm_handler_t *handler;
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/* dummy TUN device */
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tun_device_t *tun;
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/* name of the connection */
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char *name;
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} NMStrongswanPluginPrivate;
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#define NM_STRONGSWAN_PLUGIN_GET_PRIVATE(o) \
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(G_TYPE_INSTANCE_GET_PRIVATE ((o), \
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NM_TYPE_STRONGSWAN_PLUGIN, NMStrongswanPluginPrivate))
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/**
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* convert enumerated handler chunks to a UINT_ARRAY GValue
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*/
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static GValue* handler_to_val(nm_handler_t *handler,
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configuration_attribute_type_t type)
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{
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GValue *val;
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GArray *array;
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enumerator_t *enumerator;
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chunk_t chunk;
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enumerator = handler->create_enumerator(handler, type);
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array = g_array_new (FALSE, TRUE, sizeof (guint32));
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while (enumerator->enumerate(enumerator, &chunk))
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{
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g_array_append_val (array, *(uint32_t*)chunk.ptr);
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}
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enumerator->destroy(enumerator);
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val = g_slice_new0 (GValue);
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g_value_init (val, DBUS_TYPE_G_UINT_ARRAY);
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g_value_set_boxed (val, array);
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return val;
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}
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/**
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* signal IPv4 config to NM, set connection as established
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*/
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static void signal_ipv4_config(NMVPNPlugin *plugin,
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ike_sa_t *ike_sa, child_sa_t *child_sa)
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{
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NMStrongswanPluginPrivate *priv = NM_STRONGSWAN_PLUGIN_GET_PRIVATE(plugin);
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GValue *val;
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GHashTable *config;
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enumerator_t *enumerator;
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host_t *me;
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nm_handler_t *handler;
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config = g_hash_table_new(g_str_hash, g_str_equal);
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handler = priv->handler;
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/* NM requires a tundev, but netkey does not use one. Passing the physical
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* interface does not work, as NM fiddles around with it. So we pass a dummy
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* TUN device along for NM to play with... */
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val = g_slice_new0 (GValue);
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g_value_init (val, G_TYPE_STRING);
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g_value_set_string (val, priv->tun->get_name(priv->tun));
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g_hash_table_insert (config, NM_VPN_PLUGIN_IP4_CONFIG_TUNDEV, val);
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/* NM installs this IP address on the interface above, so we use the VIP if
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* we got one.
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*/
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enumerator = ike_sa->create_virtual_ip_enumerator(ike_sa, TRUE);
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if (!enumerator->enumerate(enumerator, &me))
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{
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me = ike_sa->get_my_host(ike_sa);
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}
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enumerator->destroy(enumerator);
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val = g_slice_new0(GValue);
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g_value_init(val, G_TYPE_UINT);
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g_value_set_uint(val, *(uint32_t*)me->get_address(me).ptr);
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g_hash_table_insert(config, NM_VPN_PLUGIN_IP4_CONFIG_ADDRESS, val);
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val = g_slice_new0(GValue);
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g_value_init(val, G_TYPE_UINT);
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g_value_set_uint(val, me->get_address(me).len * 8);
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g_hash_table_insert(config, NM_VPN_PLUGIN_IP4_CONFIG_PREFIX, val);
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/* prevent NM from changing the default route. we set our own route in our
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* own routing table
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*/
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val = g_slice_new0(GValue);
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g_value_init(val, G_TYPE_BOOLEAN);
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g_value_set_boolean(val, TRUE);
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g_hash_table_insert(config, NM_VPN_PLUGIN_IP4_CONFIG_NEVER_DEFAULT, val);
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val = handler_to_val(handler, INTERNAL_IP4_DNS);
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g_hash_table_insert(config, NM_VPN_PLUGIN_IP4_CONFIG_DNS, val);
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val = handler_to_val(handler, INTERNAL_IP4_NBNS);
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g_hash_table_insert(config, NM_VPN_PLUGIN_IP4_CONFIG_NBNS, val);
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handler->reset(handler);
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nm_vpn_plugin_set_ip4_config(plugin, config);
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}
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/**
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* signal failure to NM, connecting failed
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*/
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static void signal_failure(NMVPNPlugin *plugin, NMVPNPluginFailure failure)
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{
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nm_handler_t *handler = NM_STRONGSWAN_PLUGIN_GET_PRIVATE(plugin)->handler;
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handler->reset(handler);
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/* TODO: NM does not handle this failure!? */
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nm_vpn_plugin_failure(plugin, failure);
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nm_vpn_plugin_set_state(plugin, NM_VPN_SERVICE_STATE_STOPPED);
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}
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/**
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* Implementation of listener_t.ike_state_change
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*/
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static bool ike_state_change(listener_t *listener, ike_sa_t *ike_sa,
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ike_sa_state_t state)
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{
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NMStrongswanPluginPrivate *private = (NMStrongswanPluginPrivate*)listener;
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if (private->ike_sa == ike_sa && state == IKE_DESTROYING)
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{
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signal_failure(private->plugin, NM_VPN_PLUGIN_FAILURE_LOGIN_FAILED);
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return FALSE;
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}
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return TRUE;
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}
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/**
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* Implementation of listener_t.child_state_change
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*/
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static bool child_state_change(listener_t *listener, ike_sa_t *ike_sa,
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child_sa_t *child_sa, child_sa_state_t state)
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{
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NMStrongswanPluginPrivate *private = (NMStrongswanPluginPrivate*)listener;
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if (private->ike_sa == ike_sa && state == CHILD_DESTROYING)
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{
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signal_failure(private->plugin, NM_VPN_PLUGIN_FAILURE_CONNECT_FAILED);
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return FALSE;
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}
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return TRUE;
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}
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/**
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* Implementation of listener_t.child_updown
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*/
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static bool child_updown(listener_t *listener, ike_sa_t *ike_sa,
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child_sa_t *child_sa, bool up)
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{
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NMStrongswanPluginPrivate *private = (NMStrongswanPluginPrivate*)listener;
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if (private->ike_sa == ike_sa)
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{
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if (up)
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{ /* disable initiate-failure-detection hooks */
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private->listener.ike_state_change = NULL;
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private->listener.child_state_change = NULL;
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signal_ipv4_config(private->plugin, ike_sa, child_sa);
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}
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else
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{
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signal_failure(private->plugin, NM_VPN_PLUGIN_FAILURE_CONNECT_FAILED);
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return FALSE;
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}
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}
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return TRUE;
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}
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/**
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* Implementation of listener_t.ike_rekey
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*/
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static bool ike_rekey(listener_t *listener, ike_sa_t *old, ike_sa_t *new)
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{
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NMStrongswanPluginPrivate *private = (NMStrongswanPluginPrivate*)listener;
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if (private->ike_sa == old)
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{ /* follow a rekeyed IKE_SA */
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private->ike_sa = new;
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}
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return TRUE;
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}
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/**
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* Find a certificate for which we have a private key on a smartcard
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*/
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static identification_t *find_smartcard_key(NMStrongswanPluginPrivate *priv,
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char *pin)
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{
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enumerator_t *enumerator, *sans;
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identification_t *id = NULL;
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certificate_t *cert;
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x509_t *x509;
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private_key_t *key;
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chunk_t keyid;
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enumerator = lib->credmgr->create_cert_enumerator(lib->credmgr,
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CERT_X509, KEY_ANY, NULL, FALSE);
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while (enumerator->enumerate(enumerator, &cert))
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{
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x509 = (x509_t*)cert;
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/* there might be a lot of certificates, filter them by usage */
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if ((x509->get_flags(x509) & X509_CLIENT_AUTH) &&
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!(x509->get_flags(x509) & X509_CA))
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{
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keyid = x509->get_subjectKeyIdentifier(x509);
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if (keyid.ptr)
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{
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/* try to find a private key by the certificate keyid */
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priv->creds->set_pin(priv->creds, keyid, pin);
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key = lib->creds->create(lib->creds, CRED_PRIVATE_KEY,
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KEY_ANY, BUILD_PKCS11_KEYID, keyid, BUILD_END);
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if (key)
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{
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/* prefer a more convenient subjectAltName */
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sans = x509->create_subjectAltName_enumerator(x509);
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if (!sans->enumerate(sans, &id))
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{
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id = cert->get_subject(cert);
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}
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id = id->clone(id);
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sans->destroy(sans);
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DBG1(DBG_CFG, "using smartcard certificate '%Y'", id);
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priv->creds->set_cert_and_key(priv->creds,
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cert->get_ref(cert), key);
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break;
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}
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}
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}
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}
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enumerator->destroy(enumerator);
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return id;
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}
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/**
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* Connect function called from NM via DBUS
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*/
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static gboolean connect_(NMVPNPlugin *plugin, NMConnection *connection,
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GError **err)
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{
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NMStrongswanPluginPrivate *priv;
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NMSettingConnection *conn;
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NMSettingVPN *vpn;
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identification_t *user = NULL, *gateway = NULL;
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const char *address, *str;
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bool virtual, encap, ipcomp;
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ike_cfg_t *ike_cfg;
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peer_cfg_t *peer_cfg;
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child_cfg_t *child_cfg;
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traffic_selector_t *ts;
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ike_sa_t *ike_sa;
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auth_cfg_t *auth;
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auth_class_t auth_class = AUTH_CLASS_EAP;
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certificate_t *cert = NULL;
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x509_t *x509;
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bool agent = FALSE, smartcard = FALSE, loose_gateway_id = FALSE;
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lifetime_cfg_t lifetime = {
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.time = {
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.life = 10800 /* 3h */,
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.rekey = 10200 /* 2h50min */,
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.jitter = 300 /* 5min */
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}
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};
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/**
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* Read parameters
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*/
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priv = NM_STRONGSWAN_PLUGIN_GET_PRIVATE(plugin);
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conn = NM_SETTING_CONNECTION(nm_connection_get_setting(connection,
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NM_TYPE_SETTING_CONNECTION));
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vpn = NM_SETTING_VPN(nm_connection_get_setting(connection,
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NM_TYPE_SETTING_VPN));
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if (priv->name)
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{
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free(priv->name);
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}
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priv->name = strdup(nm_setting_connection_get_id(conn));
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DBG1(DBG_CFG, "received initiate for NetworkManager connection %s",
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priv->name);
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DBG4(DBG_CFG, "%s",
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nm_setting_to_string(NM_SETTING(vpn)));
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if (!priv->tun)
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{
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g_set_error(err, NM_VPN_PLUGIN_ERROR, NM_VPN_PLUGIN_ERROR_LAUNCH_FAILED,
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"Failed to create dummy TUN device.");
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return FALSE;
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}
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address = nm_setting_vpn_get_data_item(vpn, "address");
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if (!address || !*address)
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{
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g_set_error(err, NM_VPN_PLUGIN_ERROR, NM_VPN_PLUGIN_ERROR_BAD_ARGUMENTS,
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"Gateway address missing.");
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return FALSE;
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}
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str = nm_setting_vpn_get_data_item(vpn, "virtual");
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virtual = str && streq(str, "yes");
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str = nm_setting_vpn_get_data_item(vpn, "encap");
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encap = str && streq(str, "yes");
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str = nm_setting_vpn_get_data_item(vpn, "ipcomp");
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ipcomp = str && streq(str, "yes");
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str = nm_setting_vpn_get_data_item(vpn, "method");
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if (str)
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{
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if (streq(str, "psk"))
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{
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auth_class = AUTH_CLASS_PSK;
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}
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else if (streq(str, "agent"))
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{
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auth_class = AUTH_CLASS_PUBKEY;
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agent = TRUE;
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}
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else if (streq(str, "key"))
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{
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auth_class = AUTH_CLASS_PUBKEY;
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}
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else if (streq(str, "smartcard"))
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{
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auth_class = AUTH_CLASS_PUBKEY;
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smartcard = TRUE;
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}
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}
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/**
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* Register credentials
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*/
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priv->creds->clear(priv->creds);
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/* gateway/CA cert */
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str = nm_setting_vpn_get_data_item(vpn, "certificate");
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if (str)
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{
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cert = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509,
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BUILD_FROM_FILE, str, BUILD_END);
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if (!cert)
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{
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g_set_error(err, NM_VPN_PLUGIN_ERROR,
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NM_VPN_PLUGIN_ERROR_BAD_ARGUMENTS,
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"Loading gateway certificate failed.");
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return FALSE;
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}
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priv->creds->add_certificate(priv->creds, cert);
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x509 = (x509_t*)cert;
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if (!(x509->get_flags(x509) & X509_CA))
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{ /* For a gateway certificate, we use the cert subject as identity. */
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gateway = cert->get_subject(cert);
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gateway = gateway->clone(gateway);
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DBG1(DBG_CFG, "using gateway certificate, identity '%Y'", gateway);
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}
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}
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else
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{
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/* no certificate defined, fall back to system-wide CA certificates */
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priv->creds->load_ca_dir(priv->creds, NM_CA_DIR);
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}
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if (!gateway)
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{
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/* If the user configured a CA certificate, we use the IP/DNS
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* of the gateway as its identity. This identity will be used for
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* certificate lookup and requires the configured IP/DNS to be
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* included in the gateway certificate. */
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gateway = identification_create_from_string((char*)address);
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DBG1(DBG_CFG, "using CA certificate, gateway identity '%Y'", gateway);
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loose_gateway_id = TRUE;
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}
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if (auth_class == AUTH_CLASS_EAP ||
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auth_class == AUTH_CLASS_PSK)
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{
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/* username/password or PSK authentication ... */
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str = nm_setting_vpn_get_data_item(vpn, "user");
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if (str)
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{
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user = identification_create_from_string((char*)str);
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str = nm_setting_vpn_get_secret(vpn, "password");
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priv->creds->set_username_password(priv->creds, user, (char*)str);
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}
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}
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if (auth_class == AUTH_CLASS_PUBKEY)
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{
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if (smartcard)
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{
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char *pin;
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pin = (char*)nm_setting_vpn_get_secret(vpn, "password");
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if (pin)
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{
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user = find_smartcard_key(priv, pin);
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}
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if (!user)
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{
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g_set_error(err, NM_VPN_PLUGIN_ERROR,
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NM_VPN_PLUGIN_ERROR_BAD_ARGUMENTS,
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"no usable smartcard certificate found.");
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gateway->destroy(gateway);
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return FALSE;
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}
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}
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/* ... or certificate/private key authenitcation */
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else if ((str = nm_setting_vpn_get_data_item(vpn, "usercert")))
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{
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public_key_t *public;
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private_key_t *private = NULL;
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cert = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509,
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BUILD_FROM_FILE, str, BUILD_END);
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if (!cert)
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{
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g_set_error(err, NM_VPN_PLUGIN_ERROR,
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NM_VPN_PLUGIN_ERROR_BAD_ARGUMENTS,
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"Loading peer certificate failed.");
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gateway->destroy(gateway);
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return FALSE;
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}
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/* try agent */
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str = nm_setting_vpn_get_secret(vpn, "agent");
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if (agent && str)
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{
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public = cert->get_public_key(cert);
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if (public)
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{
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private = lib->creds->create(lib->creds, CRED_PRIVATE_KEY,
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public->get_type(public),
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BUILD_AGENT_SOCKET, str,
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BUILD_PUBLIC_KEY, public,
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BUILD_END);
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public->destroy(public);
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}
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if (!private)
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{
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g_set_error(err, NM_VPN_PLUGIN_ERROR,
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NM_VPN_PLUGIN_ERROR_BAD_ARGUMENTS,
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"Connecting to SSH agent failed.");
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}
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}
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/* ... or key file */
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str = nm_setting_vpn_get_data_item(vpn, "userkey");
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if (!agent && str)
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{
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char *secret;
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secret = (char*)nm_setting_vpn_get_secret(vpn, "password");
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|
if (secret)
|
|
{
|
|
priv->creds->set_key_password(priv->creds, secret);
|
|
}
|
|
private = lib->creds->create(lib->creds, CRED_PRIVATE_KEY,
|
|
KEY_RSA, BUILD_FROM_FILE, str, BUILD_END);
|
|
if (!private)
|
|
{
|
|
g_set_error(err, NM_VPN_PLUGIN_ERROR,
|
|
NM_VPN_PLUGIN_ERROR_BAD_ARGUMENTS,
|
|
"Loading private key failed.");
|
|
}
|
|
}
|
|
if (private)
|
|
{
|
|
user = cert->get_subject(cert);
|
|
user = user->clone(user);
|
|
priv->creds->set_cert_and_key(priv->creds, cert, private);
|
|
}
|
|
else
|
|
{
|
|
DESTROY_IF(cert);
|
|
gateway->destroy(gateway);
|
|
return FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!user)
|
|
{
|
|
g_set_error(err, NM_VPN_PLUGIN_ERROR, NM_VPN_PLUGIN_ERROR_BAD_ARGUMENTS,
|
|
"Configuration parameters missing.");
|
|
gateway->destroy(gateway);
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
* Set up configurations
|
|
*/
|
|
ike_cfg = ike_cfg_create(IKEV2, TRUE, encap, "0.0.0.0",
|
|
charon->socket->get_port(charon->socket, FALSE),
|
|
(char*)address, IKEV2_UDP_PORT,
|
|
FRAGMENTATION_NO, 0);
|
|
ike_cfg->add_proposal(ike_cfg, proposal_create_default(PROTO_IKE));
|
|
ike_cfg->add_proposal(ike_cfg, proposal_create_default_aead(PROTO_IKE));
|
|
peer_cfg = peer_cfg_create(priv->name, ike_cfg,
|
|
CERT_SEND_IF_ASKED, UNIQUE_REPLACE, 1, /* keyingtries */
|
|
36000, 0, /* rekey 10h, reauth none */
|
|
600, 600, /* jitter, over 10min */
|
|
TRUE, FALSE, TRUE, /* mobike, aggressive, pull */
|
|
0, 0, /* DPD delay, timeout */
|
|
FALSE, NULL, NULL); /* mediation */
|
|
if (virtual)
|
|
{
|
|
peer_cfg->add_virtual_ip(peer_cfg, host_create_from_string("0.0.0.0", 0));
|
|
}
|
|
auth = auth_cfg_create();
|
|
auth->add(auth, AUTH_RULE_AUTH_CLASS, auth_class);
|
|
auth->add(auth, AUTH_RULE_IDENTITY, user);
|
|
peer_cfg->add_auth_cfg(peer_cfg, auth, TRUE);
|
|
auth = auth_cfg_create();
|
|
if (auth_class == AUTH_CLASS_PSK)
|
|
{
|
|
auth->add(auth, AUTH_RULE_AUTH_CLASS, AUTH_CLASS_PSK);
|
|
}
|
|
else
|
|
{
|
|
auth->add(auth, AUTH_RULE_AUTH_CLASS, AUTH_CLASS_PUBKEY);
|
|
}
|
|
auth->add(auth, AUTH_RULE_IDENTITY, gateway);
|
|
auth->add(auth, AUTH_RULE_IDENTITY_LOOSE, loose_gateway_id);
|
|
peer_cfg->add_auth_cfg(peer_cfg, auth, FALSE);
|
|
|
|
child_cfg = child_cfg_create(priv->name, &lifetime,
|
|
NULL, TRUE, MODE_TUNNEL, /* updown, hostaccess */
|
|
ACTION_NONE, ACTION_NONE, ACTION_NONE, ipcomp,
|
|
0, 0, NULL, NULL, 0);
|
|
child_cfg->add_proposal(child_cfg, proposal_create_default(PROTO_ESP));
|
|
child_cfg->add_proposal(child_cfg, proposal_create_default_aead(PROTO_ESP));
|
|
ts = traffic_selector_create_dynamic(0, 0, 65535);
|
|
child_cfg->add_traffic_selector(child_cfg, TRUE, ts);
|
|
ts = traffic_selector_create_from_string(0, TS_IPV4_ADDR_RANGE,
|
|
"0.0.0.0", 0,
|
|
"255.255.255.255", 65535);
|
|
child_cfg->add_traffic_selector(child_cfg, FALSE, ts);
|
|
peer_cfg->add_child_cfg(peer_cfg, child_cfg);
|
|
|
|
/**
|
|
* Prepare IKE_SA
|
|
*/
|
|
ike_sa = charon->ike_sa_manager->checkout_by_config(charon->ike_sa_manager,
|
|
peer_cfg);
|
|
if (!ike_sa)
|
|
{
|
|
peer_cfg->destroy(peer_cfg);
|
|
g_set_error(err, NM_VPN_PLUGIN_ERROR, NM_VPN_PLUGIN_ERROR_LAUNCH_FAILED,
|
|
"IKE version not supported.");
|
|
return FALSE;
|
|
}
|
|
if (!ike_sa->get_peer_cfg(ike_sa))
|
|
{
|
|
ike_sa->set_peer_cfg(ike_sa, peer_cfg);
|
|
}
|
|
peer_cfg->destroy(peer_cfg);
|
|
|
|
/**
|
|
* Register listener, enable initiate-failure-detection hooks
|
|
*/
|
|
priv->ike_sa = ike_sa;
|
|
priv->listener.ike_state_change = ike_state_change;
|
|
priv->listener.child_state_change = child_state_change;
|
|
charon->bus->add_listener(charon->bus, &priv->listener);
|
|
|
|
/**
|
|
* Initiate
|
|
*/
|
|
child_cfg->get_ref(child_cfg);
|
|
if (ike_sa->initiate(ike_sa, child_cfg, 0, NULL, NULL) != SUCCESS)
|
|
{
|
|
charon->bus->remove_listener(charon->bus, &priv->listener);
|
|
charon->ike_sa_manager->checkin_and_destroy(charon->ike_sa_manager, ike_sa);
|
|
|
|
g_set_error(err, NM_VPN_PLUGIN_ERROR, NM_VPN_PLUGIN_ERROR_LAUNCH_FAILED,
|
|
"Initiating failed.");
|
|
return FALSE;
|
|
}
|
|
charon->ike_sa_manager->checkin(charon->ike_sa_manager, ike_sa);
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* NeedSecrets called from NM via DBUS
|
|
*/
|
|
static gboolean need_secrets(NMVPNPlugin *plugin, NMConnection *connection,
|
|
char **setting_name, GError **error)
|
|
{
|
|
NMSettingVPN *settings;
|
|
const char *method, *path;
|
|
|
|
settings = NM_SETTING_VPN(nm_connection_get_setting(connection,
|
|
NM_TYPE_SETTING_VPN));
|
|
method = nm_setting_vpn_get_data_item(settings, "method");
|
|
if (method)
|
|
{
|
|
if (streq(method, "eap") || streq(method, "psk"))
|
|
{
|
|
if (nm_setting_vpn_get_secret(settings, "password"))
|
|
{
|
|
return FALSE;
|
|
}
|
|
}
|
|
else if (streq(method, "agent"))
|
|
{
|
|
if (nm_setting_vpn_get_secret(settings, "agent"))
|
|
{
|
|
return FALSE;
|
|
}
|
|
}
|
|
else if (streq(method, "key"))
|
|
{
|
|
path = nm_setting_vpn_get_data_item(settings, "userkey");
|
|
if (path)
|
|
{
|
|
private_key_t *key;
|
|
|
|
/* try to load/decrypt the private key */
|
|
key = lib->creds->create(lib->creds, CRED_PRIVATE_KEY,
|
|
KEY_RSA, BUILD_FROM_FILE, path, BUILD_END);
|
|
if (key)
|
|
{
|
|
key->destroy(key);
|
|
return FALSE;
|
|
}
|
|
else if (nm_setting_vpn_get_secret(settings, "password"))
|
|
{
|
|
return FALSE;
|
|
}
|
|
}
|
|
}
|
|
else if (streq(method, "smartcard"))
|
|
{
|
|
if (nm_setting_vpn_get_secret(settings, "password"))
|
|
{
|
|
return FALSE;
|
|
}
|
|
}
|
|
}
|
|
*setting_name = NM_SETTING_VPN_SETTING_NAME;
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* Disconnect called from NM via DBUS
|
|
*/
|
|
static gboolean disconnect(NMVPNPlugin *plugin, GError **err)
|
|
{
|
|
NMStrongswanPluginPrivate *priv = NM_STRONGSWAN_PLUGIN_GET_PRIVATE(plugin);
|
|
enumerator_t *enumerator;
|
|
ike_sa_t *ike_sa;
|
|
u_int id;
|
|
|
|
/* our ike_sa pointer might be invalid, lookup sa */
|
|
enumerator = charon->controller->create_ike_sa_enumerator(
|
|
charon->controller, TRUE);
|
|
while (enumerator->enumerate(enumerator, &ike_sa))
|
|
{
|
|
if (priv->ike_sa == ike_sa)
|
|
{
|
|
id = ike_sa->get_unique_id(ike_sa);
|
|
enumerator->destroy(enumerator);
|
|
charon->controller->terminate_ike(charon->controller, id,
|
|
controller_cb_empty, NULL, 0);
|
|
return TRUE;
|
|
}
|
|
}
|
|
enumerator->destroy(enumerator);
|
|
|
|
g_set_error(err, NM_VPN_PLUGIN_ERROR, NM_VPN_PLUGIN_ERROR_GENERAL,
|
|
"Connection not found.");
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
* Initializer
|
|
*/
|
|
static void nm_strongswan_plugin_init(NMStrongswanPlugin *plugin)
|
|
{
|
|
NMStrongswanPluginPrivate *priv;
|
|
|
|
priv = NM_STRONGSWAN_PLUGIN_GET_PRIVATE(plugin);
|
|
priv->plugin = NM_VPN_PLUGIN(plugin);
|
|
memset(&priv->listener, 0, sizeof(listener_t));
|
|
priv->listener.child_updown = child_updown;
|
|
priv->listener.ike_rekey = ike_rekey;
|
|
priv->tun = tun_device_create(NULL);
|
|
priv->name = NULL;
|
|
}
|
|
|
|
/**
|
|
* Destructor
|
|
*/
|
|
static void nm_strongswan_plugin_dispose(GObject *obj)
|
|
{
|
|
NMStrongswanPlugin *plugin;
|
|
NMStrongswanPluginPrivate *priv;
|
|
|
|
plugin = NM_STRONGSWAN_PLUGIN(obj);
|
|
priv = NM_STRONGSWAN_PLUGIN_GET_PRIVATE(plugin);
|
|
if (priv->tun)
|
|
{
|
|
priv->tun->destroy(priv->tun);
|
|
priv->tun = NULL;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Class constructor
|
|
*/
|
|
static void nm_strongswan_plugin_class_init(
|
|
NMStrongswanPluginClass *strongswan_class)
|
|
{
|
|
NMVPNPluginClass *parent_class = NM_VPN_PLUGIN_CLASS(strongswan_class);
|
|
|
|
g_type_class_add_private(G_OBJECT_CLASS(strongswan_class),
|
|
sizeof(NMStrongswanPluginPrivate));
|
|
parent_class->connect = connect_;
|
|
parent_class->need_secrets = need_secrets;
|
|
parent_class->disconnect = disconnect;
|
|
G_OBJECT_CLASS(strongswan_class)->dispose = nm_strongswan_plugin_dispose;
|
|
}
|
|
|
|
/**
|
|
* Object constructor
|
|
*/
|
|
NMStrongswanPlugin *nm_strongswan_plugin_new(nm_creds_t *creds,
|
|
nm_handler_t *handler)
|
|
{
|
|
NMStrongswanPlugin *plugin = (NMStrongswanPlugin *)g_object_new (
|
|
NM_TYPE_STRONGSWAN_PLUGIN,
|
|
NM_VPN_PLUGIN_DBUS_SERVICE_NAME, NM_DBUS_SERVICE_STRONGSWAN,
|
|
NULL);
|
|
if (plugin)
|
|
{
|
|
NMStrongswanPluginPrivate *priv;
|
|
|
|
/* the rest of the initialization happened in _init above */
|
|
priv = NM_STRONGSWAN_PLUGIN_GET_PRIVATE(plugin);
|
|
priv->creds = creds;
|
|
priv->handler = handler;
|
|
}
|
|
return plugin;
|
|
}
|