static int vpn_connect(struct connman_provider *provider)
{
struct vpn_data *data = connman_provider_get_data(provider);
struct vpn_driver_data *vpn_driver_data;
const char *name;
int ret = 0;
if (data != NULL)
return -EISCONN;
data = g_try_new0(struct vpn_data, 1);
if (data == NULL)
return -ENOMEM;
data->provider = connman_provider_ref(provider);
data->watch = 0;
data->flags = 0;
data->task = NULL;
data->state = VPN_STATE_IDLE;
connman_provider_set_data(provider, data);
name = connman_provider_get_driver_name(provider);
if (name == NULL)
return -EINVAL;
vpn_driver_data = g_hash_table_lookup(driver_hash, name);
if (vpn_driver_data != NULL && vpn_driver_data->vpn_driver != NULL &&
vpn_driver_data->vpn_driver->flags != VPN_FLAG_NO_TUN) {
ret = vpn_create_tun(provider);
if (ret < 0)
goto exist_err;
}
data->task = connman_task_create(vpn_driver_data->program);
if (data->task == NULL) {
ret = -ENOMEM;
stop_vpn(provider);
goto exist_err;
}
if (connman_task_set_notify(data->task, "notify",
vpn_notify, provider)) {
ret = -ENOMEM;
stop_vpn(provider);
connman_task_destroy(data->task);
data->task = NULL;
goto exist_err;
}
ret = vpn_driver_data->vpn_driver->connect(provider, data->task,
data->if_name);
if (ret < 0) {
stop_vpn(provider);
connman_task_destroy(data->task);
data->task = NULL;
goto exist_err;
}
DBG("%s started with dev %s",
vpn_driver_data->provider_driver.name, data->if_name);
data->state = VPN_STATE_CONNECT;
return -EINPROGRESS;
exist_err:
connman_provider_set_index(provider, -1);
connman_provider_set_data(provider, NULL);
connman_provider_unref(data->provider);
g_free(data->if_name);
g_free(data);
return ret;
}
static int vpn_connect(struct vpn_provider *provider,
vpn_provider_connect_cb_t cb,
const char *dbus_sender, void *user_data)
{
struct vpn_data *data = vpn_provider_get_data(provider);
struct vpn_driver_data *vpn_driver_data;
const char *name;
int ret = 0;
enum vpn_state state = VPN_STATE_UNKNOWN;
if (data)
state = data->state;
DBG("data %p state %d", data, state);
switch (state) {
case VPN_STATE_UNKNOWN:
data = g_try_new0(struct vpn_data, 1);
if (!data)
return -ENOMEM;
data->provider = vpn_provider_ref(provider);
data->watch = 0;
data->flags = 0;
data->task = NULL;
vpn_provider_set_data(provider, data);
/* fall through */
case VPN_STATE_DISCONNECT:
case VPN_STATE_IDLE:
case VPN_STATE_FAILURE:
case VPN_STATE_AUTH_FAILURE:
data->state = VPN_STATE_IDLE;
break;
case VPN_STATE_CONNECT:
return -EINPROGRESS;
case VPN_STATE_READY:
return -EISCONN;
}
name = vpn_provider_get_driver_name(provider);
if (!name)
return -EINVAL;
vpn_driver_data = g_hash_table_lookup(driver_hash, name);
if (!vpn_driver_data || !vpn_driver_data->vpn_driver) {
ret = -EINVAL;
goto exist_err;
}
if (vpn_driver_data->vpn_driver->flags != VPN_FLAG_NO_TUN) {
ret = vpn_create_tun(provider);
if (ret < 0)
goto exist_err;
}
data->task = connman_task_create(vpn_driver_data->program);
if (!data->task) {
ret = -ENOMEM;
stop_vpn(provider);
goto exist_err;
}
if (connman_task_set_notify(data->task, "notify",
vpn_notify, provider)) {
ret = -ENOMEM;
stop_vpn(provider);
connman_task_destroy(data->task);
data->task = NULL;
goto exist_err;
}
ret = vpn_driver_data->vpn_driver->connect(provider, data->task,
data->if_name, cb, dbus_sender,
user_data);
if (ret < 0 && ret != -EINPROGRESS) {
stop_vpn(provider);
connman_task_destroy(data->task);
data->task = NULL;
goto exist_err;
}
DBG("%s started with dev %s",
vpn_driver_data->provider_driver.name, data->if_name);
data->state = VPN_STATE_CONNECT;
return -EINPROGRESS;
exist_err:
vpn_provider_set_index(provider, -1);
vpn_provider_set_data(provider, NULL);
vpn_provider_unref(data->provider);
g_free(data->if_name);
g_free(data);
return ret;
}
