| /* |
| * Copyright (C) 2014 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. |
| */ |
| |
| package com.android.cts.net.hostside; |
| |
| import android.content.Intent; |
| import android.net.VpnService; |
| import android.os.ParcelFileDescriptor; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| import android.text.TextUtils; |
| import android.util.Log; |
| |
| import java.io.IOException; |
| import java.net.InetAddress; |
| import java.net.UnknownHostException; |
| import java.util.ArrayList; |
| |
| public class MyVpnService extends VpnService { |
| |
| private static String TAG = "MyVpnService"; |
| private static int MTU = 1799; |
| |
| private ParcelFileDescriptor mFd = null; |
| private PacketReflector mPacketReflector = null; |
| |
| @Override |
| public int onStartCommand(Intent intent, int flags, int startId) { |
| String packageName = getPackageName(); |
| String cmd = intent.getStringExtra(packageName + ".cmd"); |
| if ("disconnect".equals(cmd)) { |
| stop(); |
| } else if ("connect".equals(cmd)) { |
| start(packageName, intent); |
| } |
| |
| return START_NOT_STICKY; |
| } |
| |
| private void start(String packageName, Intent intent) { |
| Builder builder = new Builder(); |
| |
| String addresses = intent.getStringExtra(packageName + ".addresses"); |
| if (addresses != null) { |
| String[] addressArray = addresses.split(","); |
| for (int i = 0; i < addressArray.length; i++) { |
| String[] prefixAndMask = addressArray[i].split("/"); |
| try { |
| InetAddress address = InetAddress.getByName(prefixAndMask[0]); |
| int prefixLength = Integer.parseInt(prefixAndMask[1]); |
| builder.addAddress(address, prefixLength); |
| } catch (UnknownHostException|NumberFormatException| |
| ArrayIndexOutOfBoundsException e) { |
| continue; |
| } |
| } |
| } |
| |
| String routes = intent.getStringExtra(packageName + ".routes"); |
| if (routes != null) { |
| String[] routeArray = routes.split(","); |
| for (int i = 0; i < routeArray.length; i++) { |
| String[] prefixAndMask = routeArray[i].split("/"); |
| try { |
| InetAddress address = InetAddress.getByName(prefixAndMask[0]); |
| int prefixLength = Integer.parseInt(prefixAndMask[1]); |
| builder.addRoute(address, prefixLength); |
| } catch (UnknownHostException|NumberFormatException| |
| ArrayIndexOutOfBoundsException e) { |
| continue; |
| } |
| } |
| } |
| |
| String allowed = intent.getStringExtra(packageName + ".allowedapplications"); |
| if (allowed != null) { |
| String[] packageArray = allowed.split(","); |
| for (int i = 0; i < packageArray.length; i++) { |
| String allowedPackage = packageArray[i]; |
| if (!TextUtils.isEmpty(allowedPackage)) { |
| try { |
| builder.addAllowedApplication(allowedPackage); |
| } catch(NameNotFoundException e) { |
| continue; |
| } |
| } |
| } |
| } |
| |
| String disallowed = intent.getStringExtra(packageName + ".disallowedapplications"); |
| if (disallowed != null) { |
| String[] packageArray = disallowed.split(","); |
| for (int i = 0; i < packageArray.length; i++) { |
| String disallowedPackage = packageArray[i]; |
| if (!TextUtils.isEmpty(disallowedPackage)) { |
| try { |
| builder.addDisallowedApplication(disallowedPackage); |
| } catch(NameNotFoundException e) { |
| continue; |
| } |
| } |
| } |
| } |
| |
| builder.setMtu(MTU); |
| builder.setBlocking(true); |
| builder.setSession("MyVpnService"); |
| |
| Log.i(TAG, "Establishing VPN," |
| + " addresses=" + addresses |
| + " routes=" + routes |
| + " allowedApplications=" + allowed |
| + " disallowedApplications=" + disallowed); |
| |
| mFd = builder.establish(); |
| Log.i(TAG, "Established, fd=" + (mFd == null ? "null" : mFd.getFd())); |
| |
| mPacketReflector = new PacketReflector(mFd.getFileDescriptor(), MTU); |
| mPacketReflector.start(); |
| } |
| |
| private void stop() { |
| if (mPacketReflector != null) { |
| mPacketReflector.interrupt(); |
| mPacketReflector = null; |
| } |
| try { |
| if (mFd != null) { |
| Log.i(TAG, "Closing filedescriptor"); |
| mFd.close(); |
| } |
| } catch(IOException e) { |
| } finally { |
| mFd = null; |
| } |
| } |
| |
| @Override |
| public void onDestroy() { |
| stop(); |
| super.onDestroy(); |
| } |
| } |