124 lines
3.7 KiB
Java
124 lines
3.7 KiB
Java
package org.torproject.android.vpn;
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/*
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* Copyright (c) 2013, Psiphon Inc.
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* All rights reserved.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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import java.net.DatagramSocket;
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import java.net.Socket;
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import android.annotation.TargetApi;
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import android.os.Build;
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import android.os.ParcelFileDescriptor;
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@TargetApi(Build.VERSION_CODES.HONEYCOMB_MR1)
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public class Tun2Socks
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{
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public static interface IProtectSocket
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{
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boolean doVpnProtect(Socket socket);
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boolean doVpnProtect(DatagramSocket socket);
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};
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private static Thread mThread;
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private static ParcelFileDescriptor mVpnInterfaceFileDescriptor;
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private static int mVpnInterfaceMTU;
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private static String mVpnIpAddress;
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private static String mVpnNetMask;
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private static String mSocksServerAddress;
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private static String mUdpgwServerAddress;
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private static boolean mUdpgwTransparentDNS;
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// Note: this class isn't a singleton, but you can't run more
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// than one instance due to the use of global state (the lwip
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// module, etc.) in the native code.
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public static synchronized void Start(
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ParcelFileDescriptor vpnInterfaceFileDescriptor,
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int vpnInterfaceMTU,
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String vpnIpAddress,
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String vpnNetMask,
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String socksServerAddress,
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String udpgwServerAddress,
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boolean udpgwTransparentDNS)
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{
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Stop();
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mVpnInterfaceFileDescriptor = vpnInterfaceFileDescriptor;
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mVpnInterfaceMTU = vpnInterfaceMTU;
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mVpnIpAddress = vpnIpAddress;
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mVpnNetMask = vpnNetMask;
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mSocksServerAddress = socksServerAddress;
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mUdpgwServerAddress = udpgwServerAddress;
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mUdpgwTransparentDNS = udpgwTransparentDNS;
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mThread = new Thread(new Runnable()
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{
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@Override
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public void run()
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{
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runTun2Socks(
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mVpnInterfaceFileDescriptor.detachFd(),
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mVpnInterfaceMTU,
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mVpnIpAddress,
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mVpnNetMask,
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mSocksServerAddress,
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mUdpgwServerAddress,
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mUdpgwTransparentDNS ? 1 : 0);
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}
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});
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mThread.start();
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}
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public static synchronized void Stop()
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{
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if (mThread != null)
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{
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terminateTun2Socks();
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try
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{
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mThread.join();
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}
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catch (InterruptedException e)
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{
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Thread.currentThread().interrupt();
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}
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mThread = null;
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}
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}
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private native static int runTun2Socks(
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int vpnInterfaceFileDescriptor,
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int vpnInterfaceMTU,
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String vpnIpAddress,
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String vpnNetMask,
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String socksServerAddress,
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String udpgwServerAddress,
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int udpgwTransparentDNS);
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private native static void terminateTun2Socks();
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static
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{
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System.loadLibrary("tun2socks");
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}
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} |