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/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <errno.h>
#define LOG_TAG "OpenVpnController"
#include <cutils/log.h>
#include <cutils/properties.h>
#include "OpenVpnController.h"
#define DAEMON_PROP_NAME "vpn.openvpn.status"
OpenVpnController::OpenVpnController() :
VpnController() {
}
int OpenVpnController::start() {
return 0;
}
int OpenVpnController::stop() {
return 0;
}
int OpenVpnController::enable() {
// Validate configuration file
// Validate key file
if (startServiceDaemon())
return -1;
errno = -ENOSYS;
return -1;
}
int OpenVpnController::startServiceDaemon() {
char status[PROPERTY_VALUE_MAX];
int count = 100;
property_set("ctl.start", "openvpn");
sched_yield();
while (count-- > 0) {
if (property_get(DAEMON_PROP_NAME, status, NULL)) {
if (strcmp(status, "ok") == 0)
return 0;
else if (strcmp(DAEMON_PROP_NAME, "failed") == 0)
return -1;
}
usleep(200000);
}
property_set(DAEMON_PROP_NAME, "timeout");
return -1;
}
int OpenVpnController::stopServiceDaemon() {
char status[PROPERTY_VALUE_MAX] = {'\0'};
int count = 50;
if (property_get(DAEMON_PROP_NAME, status, NULL) &&
!strcmp(status, "stopped")) {
LOGD("Service already stopped");
return 0;
}
property_set("ctl.stop", "openvpn");
sched_yield();
while (count-- > 0) {
if (property_get(DAEMON_PROP_NAME, status, NULL)) {
if (!strcmp(status, "stopped"))
break;
}
usleep(100000);
}
if (!count) {
LOGD("Timed out waiting for openvpn to stop");
errno = ETIMEDOUT;
return -1;
}
return 0;
}
int OpenVpnController::disable() {
errno = -ENOSYS;
return -1;
}
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