Vpn.java revision c2c0beab79a907f63e109eefe2a5aabcf2e3fd8f
1ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh/* 2ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh * Copyright (C) 2011 The Android Open Source Project 3ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh * 4ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh * Licensed under the Apache License, Version 2.0 (the "License"); 5ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh * you may not use this file except in compliance with the License. 6ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh * You may obtain a copy of the License at 7ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh * 8ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh * http://www.apache.org/licenses/LICENSE-2.0 9ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh * 10ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh * Unless required by applicable law or agreed to in writing, software 11ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh * distributed under the License is distributed on an "AS IS" BASIS, 12ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh * See the License for the specific language governing permissions and 14ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh * limitations under the License. 15ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh */ 16ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh 17ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yehpackage com.android.server.connectivity; 18ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh 19899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkeyimport static android.Manifest.permission.BIND_VPN_SERVICE; 200784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensenimport static android.os.UserHandle.PER_USER_RANGE; 215026279ce45ae78126046607a2634dc9dae93199Lorenzo Colittiimport static android.net.RouteInfo.RTN_THROW; 2260446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colittiimport static android.net.RouteInfo.RTN_UNREACHABLE; 2342065ac64cba166dc0fe602957ea8fe80bf406e2Sreeram Ramachandranimport static android.system.OsConstants.AF_INET; 2442065ac64cba166dc0fe602957ea8fe80bf406e2Sreeram Ramachandranimport static android.system.OsConstants.AF_INET6; 25899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey 26bc19c181c8c058c824e4fee907a05129e142c388Jeff Davidsonimport android.Manifest; 274ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubakerimport android.app.AppGlobals; 2805542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidsonimport android.app.AppOpsManager; 2990b1b9f985a91fb54254705515f822b09c68ac26Jeff Davidsonimport android.app.PendingIntent; 301b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwaltimport android.content.BroadcastReceiver; 31199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yehimport android.content.ComponentName; 32ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yehimport android.content.Context; 33ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yehimport android.content.Intent; 341b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwaltimport android.content.IntentFilter; 35199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yehimport android.content.ServiceConnection; 36ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yehimport android.content.pm.ApplicationInfo; 37ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yehimport android.content.pm.PackageManager; 386bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensenimport android.content.pm.PackageManager.NameNotFoundException; 39199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yehimport android.content.pm.ResolveInfo; 40c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubakerimport android.content.pm.UserInfo; 41899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkeyimport android.net.ConnectivityManager; 421b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwaltimport android.net.IConnectivityManager; 43ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yehimport android.net.INetworkManagementEventObserver; 445026279ce45ae78126046607a2634dc9dae93199Lorenzo Colittiimport android.net.IpPrefix; 454ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubakerimport android.net.LinkAddress; 4682f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkeyimport android.net.LinkProperties; 4785a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yehimport android.net.LocalSocket; 4885a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yehimport android.net.LocalSocketAddress; 49c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandranimport android.net.Network; 506bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensenimport android.net.NetworkAgent; 516bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensenimport android.net.NetworkCapabilities; 52899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkeyimport android.net.NetworkInfo; 536bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensenimport android.net.NetworkInfo.DetailedState; 548cd33ed84e94036a5e1201485af7603dc6fb0d9bSreeram Ramachandranimport android.net.NetworkMisc; 5582f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkeyimport android.net.RouteInfo; 566bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensenimport android.net.UidRange; 57ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yehimport android.os.Binder; 58c1bac3a6e240c1c9a14a7b515f585977fb908930Chia-chi Yehimport android.os.FileUtils; 59199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yehimport android.os.IBinder; 60899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkeyimport android.os.INetworkManagementService; 616bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensenimport android.os.Looper; 62199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yehimport android.os.Parcel; 63ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yehimport android.os.ParcelFileDescriptor; 6485a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yehimport android.os.Process; 65899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkeyimport android.os.RemoteException; 6685a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yehimport android.os.SystemClock; 67088f29f55eebc6862a4cb5dddeaefacf24f74d95Jeff Sharkeyimport android.os.SystemService; 6850cdf7c3069eb2cf82acbad73c322b7a5f3af4b1Dianne Hackbornimport android.os.UserHandle; 69c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubakerimport android.os.UserManager; 7082f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkeyimport android.security.Credentials; 7182f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkeyimport android.security.KeyStore; 72ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yehimport android.util.Log; 73ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh 74c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubakerimport com.android.internal.annotations.GuardedBy; 752e46764a707bd14cad22bc179669eeecb2d7c647Chia-chi Yehimport com.android.internal.net.LegacyVpnInfo; 7604ba25c418bc4538e9dc0f047cfb9608d358f679Chia-chi Yehimport com.android.internal.net.VpnConfig; 7782f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkeyimport com.android.internal.net.VpnProfile; 78899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkeyimport com.android.server.net.BaseNetworkObserver; 79ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh 8005542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidsonimport libcore.io.IoUtils; 8105542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson 8297a61565ea95472e65899070e64853f8c147bb11Chia-chi Yehimport java.io.File; 836bbf39cf6b81222f32d2b66b8fa85d562e0ad71cJeff Davidsonimport java.io.IOException; 8497a61565ea95472e65899070e64853f8c147bb11Chia-chi Yehimport java.io.InputStream; 8585a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yehimport java.io.OutputStream; 8682f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkeyimport java.net.Inet4Address; 87f4e0c0cb8ef22fdb20ae74b444c9f4b7d15ded8bSreeram Ramachandranimport java.net.Inet6Address; 88f4e0c0cb8ef22fdb20ae74b444c9f4b7d15ded8bSreeram Ramachandranimport java.net.InetAddress; 89d396a448b2e36e29598c954b64bfddef73f3fae0Elliott Hughesimport java.nio.charset.StandardCharsets; 906bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensenimport java.util.ArrayList; 9141d1685a22ba8038517d6fdb57006023e03f12e1Chia-chi Yehimport java.util.Arrays; 926bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensenimport java.util.List; 930784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensenimport java.util.SortedSet; 940784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensenimport java.util.TreeSet; 951b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwaltimport java.util.concurrent.atomic.AtomicInteger; 9685a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh 97ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh/** 98ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh * @hide 99ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh */ 1006bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensenpublic class Vpn { 1016bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen private static final String NETWORKTYPE = "VPN"; 102899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey private static final String TAG = "Vpn"; 103899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey private static final boolean LOGD = true; 1046bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen 105899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey // TODO: create separate trackers for each unique VPN to support 106899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey // automated reconnection 107199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh 1086bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen private Context mContext; 1096bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen private NetworkInfo mNetworkInfo; 1106bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen private String mPackage; 1116bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen private int mOwnerUID; 112c2b8aa0b4c822b0e307f62131650f4a6ee89bb66Chia-chi Yeh private String mInterface; 113199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh private Connection mConnection; 11485a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh private LegacyVpnRunner mLegacyVpnRunner; 11590b1b9f985a91fb54254705515f822b09c68ac26Jeff Davidson private PendingIntent mStatusIntent; 11657666934b4a161cc2fb77eef15d0b894aaf8f173Jeff Sharkey private volatile boolean mEnableTeardown = true; 1171b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt private final IConnectivityManager mConnService; 1186bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen private final INetworkManagementService mNetd; 119c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker private VpnConfig mConfig; 1206bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen private NetworkAgent mNetworkAgent; 1216bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen private final Looper mLooper; 1226bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen private final NetworkCapabilities mNetworkCapabilities; 123c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker 124c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker /* list of users using this VPN. */ 125c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker @GuardedBy("this") 1266bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen private List<UidRange> mVpnUsers = null; 127c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker private BroadcastReceiver mUserIntentReceiver = null; 128c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker 1290784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen // Handle of user initiating VPN. 1300784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen private final int mUserHandle; 131ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh 1326bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen public Vpn(Looper looper, Context context, INetworkManagementService netService, 1330784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen IConnectivityManager connService, int userHandle) { 134ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh mContext = context; 1356bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen mNetd = netService; 1361b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt mConnService = connService; 1370784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen mUserHandle = userHandle; 1386bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen mLooper = looper; 1396bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen 1406bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen mPackage = VpnConfig.LEGACY_VPN; 1410784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen mOwnerUID = getAppUid(mPackage, mUserHandle); 142899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey 143899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey try { 144899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey netService.registerObserver(mObserver); 145899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey } catch (RemoteException e) { 146899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey Log.wtf(TAG, "Problem registering observer", e); 147899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey } 1480784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen if (userHandle == UserHandle.USER_OWNER) { 149c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker // Owner's VPN also needs to handle restricted users 150c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker mUserIntentReceiver = new BroadcastReceiver() { 151c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker @Override 152c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker public void onReceive(Context context, Intent intent) { 153c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker final String action = intent.getAction(); 1540784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen final int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 155c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker UserHandle.USER_NULL); 1560784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen if (userHandle == UserHandle.USER_NULL) return; 157c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker 158c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker if (Intent.ACTION_USER_ADDED.equals(action)) { 1590784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen onUserAdded(userHandle); 160c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker } else if (Intent.ACTION_USER_REMOVED.equals(action)) { 1610784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen onUserRemoved(userHandle); 162c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker } 163c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker } 164c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker }; 165c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker 166c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker IntentFilter intentFilter = new IntentFilter(); 167c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker intentFilter.addAction(Intent.ACTION_USER_ADDED); 168c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker intentFilter.addAction(Intent.ACTION_USER_REMOVED); 169c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker mContext.registerReceiverAsUser( 170c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker mUserIntentReceiver, UserHandle.ALL, intentFilter, null, null); 171c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker } 1726bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen 1736bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen mNetworkInfo = new NetworkInfo(ConnectivityManager.TYPE_VPN, 0, NETWORKTYPE, ""); 1746bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen // TODO: Copy metered attribute and bandwidths from physical transport, b/16207332 1756bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen mNetworkCapabilities = new NetworkCapabilities(); 1766bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen mNetworkCapabilities.addTransportType(NetworkCapabilities.TRANSPORT_VPN); 1776bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen mNetworkCapabilities.removeCapability(NetworkCapabilities.NET_CAPABILITY_NOT_VPN); 178899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey } 179899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey 18057666934b4a161cc2fb77eef15d0b894aaf8f173Jeff Sharkey /** 18157666934b4a161cc2fb77eef15d0b894aaf8f173Jeff Sharkey * Set if this object is responsible for watching for {@link NetworkInfo} 18257666934b4a161cc2fb77eef15d0b894aaf8f173Jeff Sharkey * teardown. When {@code false}, teardown is handled externally by someone 18357666934b4a161cc2fb77eef15d0b894aaf8f173Jeff Sharkey * else. 18457666934b4a161cc2fb77eef15d0b894aaf8f173Jeff Sharkey */ 18557666934b4a161cc2fb77eef15d0b894aaf8f173Jeff Sharkey public void setEnableTeardown(boolean enableTeardown) { 18657666934b4a161cc2fb77eef15d0b894aaf8f173Jeff Sharkey mEnableTeardown = enableTeardown; 18757666934b4a161cc2fb77eef15d0b894aaf8f173Jeff Sharkey } 18857666934b4a161cc2fb77eef15d0b894aaf8f173Jeff Sharkey 189899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey /** 190899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey * Update current state, dispaching event to listeners. 191899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey */ 192899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey private void updateState(DetailedState detailedState, String reason) { 193899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey if (LOGD) Log.d(TAG, "setting state=" + detailedState + ", reason=" + reason); 194899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey mNetworkInfo.setDetailedState(detailedState, reason, null); 1956bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen if (mNetworkAgent != null) { 1966bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen mNetworkAgent.sendNetworkInfo(mNetworkInfo); 1976bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen } 198ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh } 199ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh 200ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh /** 201100155a310fbb5028fc48e359bdfb7c4d3531843Chia-chi Yeh * Prepare for a VPN application. This method is designed to solve 202100155a310fbb5028fc48e359bdfb7c4d3531843Chia-chi Yeh * race conditions. It first compares the current prepared package 203100155a310fbb5028fc48e359bdfb7c4d3531843Chia-chi Yeh * with {@code oldPackage}. If they are the same, the prepared 204100155a310fbb5028fc48e359bdfb7c4d3531843Chia-chi Yeh * package is revoked and replaced with {@code newPackage}. If 205100155a310fbb5028fc48e359bdfb7c4d3531843Chia-chi Yeh * {@code oldPackage} is {@code null}, the comparison is omitted. 206100155a310fbb5028fc48e359bdfb7c4d3531843Chia-chi Yeh * If {@code newPackage} is the same package or {@code null}, the 207100155a310fbb5028fc48e359bdfb7c4d3531843Chia-chi Yeh * revocation is omitted. This method returns {@code true} if the 208100155a310fbb5028fc48e359bdfb7c4d3531843Chia-chi Yeh * operation is succeeded. 209e9107901ae264de4ff5603d3cfc63a03ca4117d4Chia-chi Yeh * 210100155a310fbb5028fc48e359bdfb7c4d3531843Chia-chi Yeh * Legacy VPN is handled specially since it is not a real package. 211100155a310fbb5028fc48e359bdfb7c4d3531843Chia-chi Yeh * It uses {@link VpnConfig#LEGACY_VPN} as its package name, and 212100155a310fbb5028fc48e359bdfb7c4d3531843Chia-chi Yeh * it can be revoked by itself. 213100155a310fbb5028fc48e359bdfb7c4d3531843Chia-chi Yeh * 214100155a310fbb5028fc48e359bdfb7c4d3531843Chia-chi Yeh * @param oldPackage The package name of the old VPN application. 215100155a310fbb5028fc48e359bdfb7c4d3531843Chia-chi Yeh * @param newPackage The package name of the new VPN application. 216100155a310fbb5028fc48e359bdfb7c4d3531843Chia-chi Yeh * @return true if the operation is succeeded. 217ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh */ 218100155a310fbb5028fc48e359bdfb7c4d3531843Chia-chi Yeh public synchronized boolean prepare(String oldPackage, String newPackage) { 219100155a310fbb5028fc48e359bdfb7c4d3531843Chia-chi Yeh // Return false if the package does not match. 220be08587510edbc149c841638db721eb97d2351b6Jeff Davidson if (oldPackage != null && getAppUid(oldPackage, mUserHandle) != mOwnerUID) { 22105542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson // The package doesn't match. If this VPN was not previously authorized, return false 22205542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson // to force user authorization. Otherwise, revoke the VPN anyway. 22305542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson if (!oldPackage.equals(VpnConfig.LEGACY_VPN) && isVpnUserPreConsented(oldPackage)) { 22405542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson long token = Binder.clearCallingIdentity(); 22505542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson try { 22605542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson // This looks bizarre, but it is what ConfirmDialog in VpnDialogs is doing when 22705542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson // the user clicks through to allow the VPN to consent. So we are emulating the 22805542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson // action of the dialog without actually showing it. 22905542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson prepare(null, oldPackage); 23005542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson } finally { 23105542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson Binder.restoreCallingIdentity(token); 23205542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson } 23305542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson return true; 23405542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson } 235100155a310fbb5028fc48e359bdfb7c4d3531843Chia-chi Yeh return false; 236100155a310fbb5028fc48e359bdfb7c4d3531843Chia-chi Yeh } 237100155a310fbb5028fc48e359bdfb7c4d3531843Chia-chi Yeh 238100155a310fbb5028fc48e359bdfb7c4d3531843Chia-chi Yeh // Return true if we do not need to revoke. 239be08587510edbc149c841638db721eb97d2351b6Jeff Davidson if (newPackage == null || (!newPackage.equals(VpnConfig.LEGACY_VPN) && 240be08587510edbc149c841638db721eb97d2351b6Jeff Davidson getAppUid(newPackage, mUserHandle) == mOwnerUID)) { 241100155a310fbb5028fc48e359bdfb7c4d3531843Chia-chi Yeh return true; 242ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh } 243ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh 244dadc857d9de364fded10d4f69eb82bc9cd35d4b7Chia-chi Yeh // Check if the caller is authorized. 245dadc857d9de364fded10d4f69eb82bc9cd35d4b7Chia-chi Yeh enforceControlPermission(); 2467b0b834c3d12564c44ac134879a6dbc70e74be6eChia-chi Yeh 24705542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson // Reset the interface. 248c2b8aa0b4c822b0e307f62131650f4a6ee89bb66Chia-chi Yeh if (mInterface != null) { 24990b1b9f985a91fb54254705515f822b09c68ac26Jeff Davidson mStatusIntent = null; 2506bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen agentDisconnect(); 2514ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker jniReset(mInterface); 252c2b8aa0b4c822b0e307f62131650f4a6ee89bb66Chia-chi Yeh mInterface = null; 253c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker mVpnUsers = null; 254ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh } 255ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh 256fcc1b41b663c1a0cb551344c4a16a5ad9ce36d60Chia-chi Yeh // Revoke the connection or stop LegacyVpnRunner. 257199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh if (mConnection != null) { 258199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh try { 259199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh mConnection.mService.transact(IBinder.LAST_CALL_TRANSACTION, 260199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh Parcel.obtain(), null, IBinder.FLAG_ONEWAY); 261199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh } catch (Exception e) { 262199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh // ignore 263199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh } 264199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh mContext.unbindService(mConnection); 265199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh mConnection = null; 266e9107901ae264de4ff5603d3cfc63a03ca4117d4Chia-chi Yeh } else if (mLegacyVpnRunner != null) { 26741d1685a22ba8038517d6fdb57006023e03f12e1Chia-chi Yeh mLegacyVpnRunner.exit(); 26841d1685a22ba8038517d6fdb57006023e03f12e1Chia-chi Yeh mLegacyVpnRunner = null; 26941d1685a22ba8038517d6fdb57006023e03f12e1Chia-chi Yeh } 27041d1685a22ba8038517d6fdb57006023e03f12e1Chia-chi Yeh 2716bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen long token = Binder.clearCallingIdentity(); 2726bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen try { 2736bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen mNetd.denyProtect(mOwnerUID); 2746bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen } catch (Exception e) { 2756bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen Log.wtf(TAG, "Failed to disallow UID " + mOwnerUID + " to call protect() " + e); 2766bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen } finally { 2776bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen Binder.restoreCallingIdentity(token); 2786bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen } 2796bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen 280c2b8aa0b4c822b0e307f62131650f4a6ee89bb66Chia-chi Yeh Log.i(TAG, "Switched from " + mPackage + " to " + newPackage); 281c2b8aa0b4c822b0e307f62131650f4a6ee89bb66Chia-chi Yeh mPackage = newPackage; 2820784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen mOwnerUID = getAppUid(newPackage, mUserHandle); 2836bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen token = Binder.clearCallingIdentity(); 2846bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen try { 2856bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen mNetd.allowProtect(mOwnerUID); 2866bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen } catch (Exception e) { 2876bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen Log.wtf(TAG, "Failed to allow UID " + mOwnerUID + " to call protect() " + e); 2886bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen } finally { 2896bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen Binder.restoreCallingIdentity(token); 2906bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen } 291c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker mConfig = null; 29205542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson 293899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey updateState(DetailedState.IDLE, "prepare"); 294100155a310fbb5028fc48e359bdfb7c4d3531843Chia-chi Yeh return true; 295ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh } 296ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh 29705542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson /** 29805542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson * Set whether the current package has the ability to launch VPNs without user intervention. 29905542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson */ 30005542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson public void setPackageAuthorization(boolean authorized) { 30105542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson // Check if the caller is authorized. 30205542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson enforceControlPermission(); 30305542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson 30405542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson if (mPackage == null || VpnConfig.LEGACY_VPN.equals(mPackage)) { 30505542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson return; 30605542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson } 30705542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson 30805542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson long token = Binder.clearCallingIdentity(); 30905542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson try { 31005542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson AppOpsManager appOps = 31105542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE); 31205542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson appOps.setMode(AppOpsManager.OP_ACTIVATE_VPN, mOwnerUID, mPackage, 31305542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson authorized ? AppOpsManager.MODE_ALLOWED : AppOpsManager.MODE_IGNORED); 31405542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson } catch (Exception e) { 31505542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson Log.wtf(TAG, "Failed to set app ops for package " + mPackage, e); 31605542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson } finally { 31705542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson Binder.restoreCallingIdentity(token); 31805542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson } 31905542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson } 32005542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson 32105542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson private boolean isVpnUserPreConsented(String packageName) { 32205542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson AppOpsManager appOps = 32305542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE); 32405542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson 32505542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson // Verify that the caller matches the given package and has permission to activate VPNs. 32605542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson return appOps.noteOpNoThrow(AppOpsManager.OP_ACTIVATE_VPN, Binder.getCallingUid(), 32705542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson packageName) == AppOpsManager.MODE_ALLOWED; 32805542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson } 32905542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson 3300784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen private int getAppUid(String app, int userHandle) { 33105542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson if (VpnConfig.LEGACY_VPN.equals(app)) { 3326bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen return Process.myUid(); 3336bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen } 334fcc1b41b663c1a0cb551344c4a16a5ad9ce36d60Chia-chi Yeh PackageManager pm = mContext.getPackageManager(); 3356bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen int result; 3366bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen try { 3370784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen result = pm.getPackageUid(app, userHandle); 3386bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen } catch (NameNotFoundException e) { 3396bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen result = -1; 340fcc1b41b663c1a0cb551344c4a16a5ad9ce36d60Chia-chi Yeh } 3416bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen return result; 3426bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen } 3436bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen 3446bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen public NetworkInfo getNetworkInfo() { 3456bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen return mNetworkInfo; 3466bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen } 3476bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen 34860446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti private LinkProperties makeLinkProperties() { 34960446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti boolean allowIPv4 = mConfig.allowIPv4; 35060446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti boolean allowIPv6 = mConfig.allowIPv6; 35160446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti 3526bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen LinkProperties lp = new LinkProperties(); 35360446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti 3546bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen lp.setInterfaceName(mInterface); 35542065ac64cba166dc0fe602957ea8fe80bf406e2Sreeram Ramachandran 35660446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti if (mConfig.addresses != null) { 35760446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti for (LinkAddress address : mConfig.addresses) { 35860446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti lp.addLinkAddress(address); 35960446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti allowIPv4 |= address.getAddress() instanceof Inet4Address; 36060446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti allowIPv6 |= address.getAddress() instanceof Inet6Address; 36160446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti } 3626bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen } 36360446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti 36460446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti if (mConfig.routes != null) { 36560446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti for (RouteInfo route : mConfig.routes) { 36660446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti lp.addRoute(route); 36760446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti InetAddress address = route.getDestination().getAddress(); 36860446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti allowIPv4 |= address instanceof Inet4Address; 36960446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti allowIPv6 |= address instanceof Inet6Address; 37060446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti } 3716bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen } 37242065ac64cba166dc0fe602957ea8fe80bf406e2Sreeram Ramachandran 3736bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen if (mConfig.dnsServers != null) { 3746bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen for (String dnsServer : mConfig.dnsServers) { 37542065ac64cba166dc0fe602957ea8fe80bf406e2Sreeram Ramachandran InetAddress address = InetAddress.parseNumericAddress(dnsServer); 37642065ac64cba166dc0fe602957ea8fe80bf406e2Sreeram Ramachandran lp.addDnsServer(address); 37760446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti allowIPv4 |= address instanceof Inet4Address; 37860446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti allowIPv6 |= address instanceof Inet6Address; 3796bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen } 3806bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen } 38142065ac64cba166dc0fe602957ea8fe80bf406e2Sreeram Ramachandran 38260446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti if (!allowIPv4) { 38360446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti lp.addRoute(new RouteInfo(new IpPrefix(Inet4Address.ANY, 0), RTN_UNREACHABLE)); 38460446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti } 38560446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti if (!allowIPv6) { 38660446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti lp.addRoute(new RouteInfo(new IpPrefix(Inet6Address.ANY, 0), RTN_UNREACHABLE)); 38760446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti } 38860446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti 3896bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen // Concatenate search domains into a string. 3906bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen StringBuilder buffer = new StringBuilder(); 3916bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen if (mConfig.searchDomains != null) { 3926bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen for (String domain : mConfig.searchDomains) { 3936bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen buffer.append(domain).append(' '); 3946bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen } 3956bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen } 3966bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen lp.setDomains(buffer.toString().trim()); 39742065ac64cba166dc0fe602957ea8fe80bf406e2Sreeram Ramachandran 39860446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti // TODO: Stop setting the MTU in jniCreate and set it here. 39960446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti 40060446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti return lp; 40160446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti } 40260446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti 40360446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti private void agentConnect() { 40460446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti LinkProperties lp = makeLinkProperties(); 40560446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti 40660446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti if (lp.hasIPv4DefaultRoute() || lp.hasIPv6DefaultRoute()) { 40760446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti mNetworkCapabilities.addCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET); 40860446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti } else { 40960446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti mNetworkCapabilities.removeCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET); 41060446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti } 41160446165d8bd44f72cec8d0c5583a688369fa660Lorenzo Colitti 4126bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen mNetworkInfo.setIsAvailable(true); 4136bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen mNetworkInfo.setDetailedState(DetailedState.CONNECTED, null, null); 41442065ac64cba166dc0fe602957ea8fe80bf406e2Sreeram Ramachandran 4158cd33ed84e94036a5e1201485af7603dc6fb0d9bSreeram Ramachandran NetworkMisc networkMisc = new NetworkMisc(); 41642065ac64cba166dc0fe602957ea8fe80bf406e2Sreeram Ramachandran networkMisc.allowBypass = mConfig.allowBypass; 41742065ac64cba166dc0fe602957ea8fe80bf406e2Sreeram Ramachandran 4186bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen long token = Binder.clearCallingIdentity(); 4194ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker try { 4206bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen mNetworkAgent = new NetworkAgent(mLooper, mContext, NETWORKTYPE, 4218cd33ed84e94036a5e1201485af7603dc6fb0d9bSreeram Ramachandran mNetworkInfo, mNetworkCapabilities, lp, 0, networkMisc) { 42205542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson @Override 4236bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen public void unwanted() { 4246bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen // We are user controlled, not driven by NetworkRequest. 42505542603dd4f1e0ea47a3dca01de3999a9a329a9Jeff Davidson } 4266bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen }; 4274ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker } finally { 4284ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker Binder.restoreCallingIdentity(token); 4294ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker } 43042065ac64cba166dc0fe602957ea8fe80bf406e2Sreeram Ramachandran 4310784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen addVpnUserLocked(mUserHandle); 4326bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen // If we are owner assign all Restricted Users to this VPN 4330784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen if (mUserHandle == UserHandle.USER_OWNER) { 4346bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen token = Binder.clearCallingIdentity(); 4356bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen List<UserInfo> users; 4366bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen try { 4376bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen users = UserManager.get(mContext).getUsers(); 4386bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen } finally { 4396bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen Binder.restoreCallingIdentity(token); 4406bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen } 4416bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen for (UserInfo user : users) { 4426bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen if (user.isRestricted()) { 4436bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen addVpnUserLocked(user.id); 4446bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen } 4456bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen } 4466bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen } 4476bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen mNetworkAgent.addUidRanges(mVpnUsers.toArray(new UidRange[mVpnUsers.size()])); 4486bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen } 4496bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen 4506bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen private void agentDisconnect(NetworkInfo networkInfo, NetworkAgent networkAgent) { 4516bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen networkInfo.setIsAvailable(false); 4526bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen networkInfo.setDetailedState(DetailedState.DISCONNECTED, null, null); 4536bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen if (networkAgent != null) { 4546bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen networkAgent.sendNetworkInfo(networkInfo); 4556bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen } 4566bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen } 4576bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen 4586bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen private void agentDisconnect(NetworkAgent networkAgent) { 4596bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen NetworkInfo networkInfo = new NetworkInfo(mNetworkInfo); 4606bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen agentDisconnect(networkInfo, networkAgent); 4616bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen } 4624ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker 4636bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen private void agentDisconnect() { 4646bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen if (mNetworkInfo.isConnected()) { 4656bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen agentDisconnect(mNetworkInfo, mNetworkAgent); 4666bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen mNetworkAgent = null; 4676bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen } 468fcc1b41b663c1a0cb551344c4a16a5ad9ce36d60Chia-chi Yeh } 469fcc1b41b663c1a0cb551344c4a16a5ad9ce36d60Chia-chi Yeh 470fcc1b41b663c1a0cb551344c4a16a5ad9ce36d60Chia-chi Yeh /** 471e9107901ae264de4ff5603d3cfc63a03ca4117d4Chia-chi Yeh * Establish a VPN network and return the file descriptor of the VPN 472e9107901ae264de4ff5603d3cfc63a03ca4117d4Chia-chi Yeh * interface. This methods returns {@code null} if the application is 473100155a310fbb5028fc48e359bdfb7c4d3531843Chia-chi Yeh * revoked or not prepared. 474ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh * 475e9107901ae264de4ff5603d3cfc63a03ca4117d4Chia-chi Yeh * @param config The parameters to configure the network. 476e9107901ae264de4ff5603d3cfc63a03ca4117d4Chia-chi Yeh * @return The file descriptor of the VPN interface. 477ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh */ 47804ba25c418bc4538e9dc0f047cfb9608d358f679Chia-chi Yeh public synchronized ParcelFileDescriptor establish(VpnConfig config) { 479ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh // Check if the caller is already prepared. 480c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker UserManager mgr = UserManager.get(mContext); 4816bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen if (Binder.getCallingUid() != mOwnerUID) { 4827b0b834c3d12564c44ac134879a6dbc70e74be6eChia-chi Yeh return null; 483ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh } 484fcc1b41b663c1a0cb551344c4a16a5ad9ce36d60Chia-chi Yeh // Check if the service is properly declared. 485199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh Intent intent = new Intent(VpnConfig.SERVICE_INTERFACE); 486199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh intent.setClassName(mPackage, config.user); 4874ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker long token = Binder.clearCallingIdentity(); 4884ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker try { 489c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker // Restricted users are not allowed to create VPNs, they are tied to Owner 4900784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen UserInfo user = mgr.getUserInfo(mUserHandle); 491f5116d01b20f21ba32cd9eaa3412daf97f41c623Julia Reynolds if (user.isRestricted() || mgr.hasUserRestriction(UserManager.DISALLOW_CONFIG_VPN)) { 492c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker throw new SecurityException("Restricted users cannot establish VPNs"); 493c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker } 494c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker 4954ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker ResolveInfo info = AppGlobals.getPackageManager().resolveService(intent, 4960784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen null, 0, mUserHandle); 4974ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker if (info == null) { 4984ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker throw new SecurityException("Cannot find " + config.user); 4994ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker } 5004ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker if (!BIND_VPN_SERVICE.equals(info.serviceInfo.permission)) { 5014ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker throw new SecurityException(config.user + " does not require " + BIND_VPN_SERVICE); 5024ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker } 5034ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker } catch (RemoteException e) { 5044ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker throw new SecurityException("Cannot find " + config.user); 5054ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker } finally { 5064ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker Binder.restoreCallingIdentity(token); 507199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh } 508fcc1b41b663c1a0cb551344c4a16a5ad9ce36d60Chia-chi Yeh 5094c5c33e5e6fb37f85977c70a0baba4e1ed51fe0dChad Brubaker // Save the old config in case we need to go back. 5104c5c33e5e6fb37f85977c70a0baba4e1ed51fe0dChad Brubaker VpnConfig oldConfig = mConfig; 5114c5c33e5e6fb37f85977c70a0baba4e1ed51fe0dChad Brubaker String oldInterface = mInterface; 5124c5c33e5e6fb37f85977c70a0baba4e1ed51fe0dChad Brubaker Connection oldConnection = mConnection; 5136bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen NetworkAgent oldNetworkAgent = mNetworkAgent; 5146bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen mNetworkAgent = null; 5156bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen List<UidRange> oldUsers = mVpnUsers; 5164c5c33e5e6fb37f85977c70a0baba4e1ed51fe0dChad Brubaker 517e9107901ae264de4ff5603d3cfc63a03ca4117d4Chia-chi Yeh // Configure the interface. Abort if any of these steps fails. 51897a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh ParcelFileDescriptor tun = ParcelFileDescriptor.adoptFd(jniCreate(config.mtu)); 519ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh try { 520899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey updateState(DetailedState.CONNECTING, "establish"); 521c2b8aa0b4c822b0e307f62131650f4a6ee89bb66Chia-chi Yeh String interfaze = jniGetName(tun.getFd()); 5224ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker 523c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker // TEMP use the old jni calls until there is support for netd address setting 5244ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker StringBuilder builder = new StringBuilder(); 5254ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker for (LinkAddress address : config.addresses) { 5264ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker builder.append(" " + address); 52797a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh } 5284ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker if (jniSetAddresses(interfaze, builder.toString()) < 1) { 5294ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker throw new IllegalArgumentException("At least one address must be specified"); 53097a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh } 531199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh Connection connection = new Connection(); 5324ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker if (!mContext.bindServiceAsUser(intent, connection, Context.BIND_AUTO_CREATE, 5330784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen new UserHandle(mUserHandle))) { 534199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh throw new IllegalStateException("Cannot bind " + config.user); 535199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh } 5364c5c33e5e6fb37f85977c70a0baba4e1ed51fe0dChad Brubaker 537199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh mConnection = connection; 538c2b8aa0b4c822b0e307f62131650f4a6ee89bb66Chia-chi Yeh mInterface = interfaze; 5394ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker 5404ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker // Fill more values. 5414ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker config.user = mPackage; 5424ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker config.interfaze = mInterface; 543c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker config.startTime = SystemClock.elapsedRealtime(); 544c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker mConfig = config; 5454c5c33e5e6fb37f85977c70a0baba4e1ed51fe0dChad Brubaker 5464ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker // Set up forwarding and DNS rules. 5476bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen mVpnUsers = new ArrayList<UidRange>(); 54842065ac64cba166dc0fe602957ea8fe80bf406e2Sreeram Ramachandran 5496bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen agentConnect(); 5504ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker 5514c5c33e5e6fb37f85977c70a0baba4e1ed51fe0dChad Brubaker if (oldConnection != null) { 5524c5c33e5e6fb37f85977c70a0baba4e1ed51fe0dChad Brubaker mContext.unbindService(oldConnection); 5534c5c33e5e6fb37f85977c70a0baba4e1ed51fe0dChad Brubaker } 5546bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen // Remove the old tun's user forwarding rules 5556bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen // The new tun's user rules have already been added so they will take over 5566bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen // as rules are deleted. This prevents data leakage as the rules are moved over. 5576bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen agentDisconnect(oldNetworkAgent); 5584c5c33e5e6fb37f85977c70a0baba4e1ed51fe0dChad Brubaker if (oldInterface != null && !oldInterface.equals(interfaze)) { 5594c5c33e5e6fb37f85977c70a0baba4e1ed51fe0dChad Brubaker jniReset(oldInterface); 5604c5c33e5e6fb37f85977c70a0baba4e1ed51fe0dChad Brubaker } 5616bbf39cf6b81222f32d2b66b8fa85d562e0ad71cJeff Davidson 5626bbf39cf6b81222f32d2b66b8fa85d562e0ad71cJeff Davidson try { 5636bbf39cf6b81222f32d2b66b8fa85d562e0ad71cJeff Davidson IoUtils.setBlocking(tun.getFileDescriptor(), config.blocking); 5646bbf39cf6b81222f32d2b66b8fa85d562e0ad71cJeff Davidson } catch (IOException e) { 5656bbf39cf6b81222f32d2b66b8fa85d562e0ad71cJeff Davidson throw new IllegalStateException( 5666bbf39cf6b81222f32d2b66b8fa85d562e0ad71cJeff Davidson "Cannot set tunnel's fd as blocking=" + config.blocking, e); 5676bbf39cf6b81222f32d2b66b8fa85d562e0ad71cJeff Davidson } 568ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh } catch (RuntimeException e) { 569065b299df4159602327977dd007cb2cd6b64ab20Jeff Sharkey IoUtils.closeQuietly(tun); 5706bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen agentDisconnect(); 5714c5c33e5e6fb37f85977c70a0baba4e1ed51fe0dChad Brubaker // restore old state 5724c5c33e5e6fb37f85977c70a0baba4e1ed51fe0dChad Brubaker mConfig = oldConfig; 5734c5c33e5e6fb37f85977c70a0baba4e1ed51fe0dChad Brubaker mConnection = oldConnection; 5744c5c33e5e6fb37f85977c70a0baba4e1ed51fe0dChad Brubaker mVpnUsers = oldUsers; 5756bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen mNetworkAgent = oldNetworkAgent; 5764c5c33e5e6fb37f85977c70a0baba4e1ed51fe0dChad Brubaker mInterface = oldInterface; 577ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh throw e; 578ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh } 579199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh Log.i(TAG, "Established by " + config.user + " on " + mInterface); 580c2b8aa0b4c822b0e307f62131650f4a6ee89bb66Chia-chi Yeh return tun; 581ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh } 582ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh 583c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker private boolean isRunningLocked() { 584c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran return mNetworkAgent != null && mInterface != null; 585c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran } 586c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran 587c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran // Returns true if the VPN has been established and the calling UID is its owner. Used to check 588c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran // that a call to mutate VPN state is admissible. 589c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran private boolean isCallerEstablishedOwnerLocked() { 590c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran return isRunningLocked() && Binder.getCallingUid() == mOwnerUID; 591c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker } 592c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker 5930784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen // Note: Return type guarantees results are deduped and sorted, which callers require. 5940784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen private SortedSet<Integer> getAppsUids(List<String> packageNames, int userHandle) { 5950784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen SortedSet<Integer> uids = new TreeSet<Integer>(); 5960784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen for (String app : packageNames) { 5970784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen int uid = getAppUid(app, userHandle); 5980784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen if (uid != -1) uids.add(uid); 5990784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen } 6000784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen return uids; 6010784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen } 6020784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen 6036bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen // Note: This function adds to mVpnUsers but does not publish list to NetworkAgent. 6040784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen private void addVpnUserLocked(int userHandle) { 605c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran if (mVpnUsers == null) { 606c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker throw new IllegalStateException("VPN is not active"); 607c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker } 60869887e838814642a7ae78fc810656c7c8afc2a19Robert Greenwalt 6090784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen if (mConfig.allowedApplications != null) { 6100784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen // Add ranges covering all UIDs for allowedApplications. 6110784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen int start = -1, stop = -1; 6120784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen for (int uid : getAppsUids(mConfig.allowedApplications, userHandle)) { 6130784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen if (start == -1) { 6140784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen start = uid; 6150784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen } else if (uid != stop + 1) { 6160784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen mVpnUsers.add(new UidRange(start, stop)); 6170784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen start = uid; 6180784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen } 6190784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen stop = uid; 6200784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen } 6210784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen if (start != -1) mVpnUsers.add(new UidRange(start, stop)); 6220784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen } else if (mConfig.disallowedApplications != null) { 6230784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen // Add all ranges for user skipping UIDs for disallowedApplications. 6240784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen final UidRange userRange = UidRange.createForUser(userHandle); 6250784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen int start = userRange.start; 6260784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen for (int uid : getAppsUids(mConfig.disallowedApplications, userHandle)) { 6270784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen if (uid == start) { 6280784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen start++; 6290784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen } else { 6300784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen mVpnUsers.add(new UidRange(start, uid - 1)); 6310784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen start = uid + 1; 6320784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen } 6330784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen } 6340784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen if (start <= userRange.stop) mVpnUsers.add(new UidRange(start, userRange.stop)); 6350784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen } else { 6360784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen // Add all UIDs for the user. 6370784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen mVpnUsers.add(UidRange.createForUser(userHandle)); 6380784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen } 63990b1b9f985a91fb54254705515f822b09c68ac26Jeff Davidson 64090b1b9f985a91fb54254705515f822b09c68ac26Jeff Davidson prepareStatusIntent(); 641c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker } 642c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker 6430784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen // Returns the subset of the full list of active UID ranges the VPN applies to (mVpnUsers) that 6440784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen // apply to userHandle. 6450784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen private List<UidRange> uidRangesForUser(int userHandle) { 6460784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen final UidRange userRange = UidRange.createForUser(userHandle); 6470784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen final List<UidRange> ranges = new ArrayList<UidRange>(); 6480784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen for (UidRange range : mVpnUsers) { 6490784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen if (range.start >= userRange.start && range.stop <= userRange.stop) { 6500784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen ranges.add(range); 6510784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen } 6520784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen } 6530784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen return ranges; 6540784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen } 6550784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen 6560784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen private void removeVpnUserLocked(int userHandle) { 657c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran if (mVpnUsers == null) { 65890b1b9f985a91fb54254705515f822b09c68ac26Jeff Davidson throw new IllegalStateException("VPN is not active"); 65990b1b9f985a91fb54254705515f822b09c68ac26Jeff Davidson } 6600784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen final List<UidRange> ranges = uidRangesForUser(userHandle); 66190b1b9f985a91fb54254705515f822b09c68ac26Jeff Davidson if (mNetworkAgent != null) { 6620784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen mNetworkAgent.removeUidRanges(ranges.toArray(new UidRange[ranges.size()])); 66390b1b9f985a91fb54254705515f822b09c68ac26Jeff Davidson } 6640784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen mVpnUsers.removeAll(ranges); 66590b1b9f985a91fb54254705515f822b09c68ac26Jeff Davidson mStatusIntent = null; 666c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker } 667c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker 6680784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen private void onUserAdded(int userHandle) { 669c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker // If the user is restricted tie them to the owner's VPN 670c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker synchronized(Vpn.this) { 671c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker UserManager mgr = UserManager.get(mContext); 6720784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen UserInfo user = mgr.getUserInfo(userHandle); 673c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker if (user.isRestricted()) { 674c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker try { 6750784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen addVpnUserLocked(userHandle); 6766bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen if (mNetworkAgent != null) { 6770784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen final List<UidRange> ranges = uidRangesForUser(userHandle); 6780784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen mNetworkAgent.addUidRanges(ranges.toArray(new UidRange[ranges.size()])); 6796bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen } 680c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker } catch (Exception e) { 681c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker Log.wtf(TAG, "Failed to add restricted user to owner", e); 682c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker } 683c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker } 684c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker } 685c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker } 686c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker 6870784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen private void onUserRemoved(int userHandle) { 688c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker // clean up if restricted 689c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker synchronized(Vpn.this) { 690c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker UserManager mgr = UserManager.get(mContext); 6910784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen UserInfo user = mgr.getUserInfo(userHandle); 692c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker if (user.isRestricted()) { 693c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker try { 6940784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen removeVpnUserLocked(userHandle); 695c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker } catch (Exception e) { 696c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker Log.wtf(TAG, "Failed to remove restricted user to owner", e); 697c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker } 698c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker } 699c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker } 700c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker } 701c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker 702bf6ff2c025405a3af496fe558dfc4468a9b45cc8Chad Brubaker /** 703bf6ff2c025405a3af496fe558dfc4468a9b45cc8Chad Brubaker * Return the configuration of the currently running VPN. 704bf6ff2c025405a3af496fe558dfc4468a9b45cc8Chad Brubaker */ 705bf6ff2c025405a3af496fe558dfc4468a9b45cc8Chad Brubaker public VpnConfig getVpnConfig() { 706bf6ff2c025405a3af496fe558dfc4468a9b45cc8Chad Brubaker enforceControlPermission(); 707bf6ff2c025405a3af496fe558dfc4468a9b45cc8Chad Brubaker return mConfig; 708bf6ff2c025405a3af496fe558dfc4468a9b45cc8Chad Brubaker } 709bf6ff2c025405a3af496fe558dfc4468a9b45cc8Chad Brubaker 710899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey @Deprecated 711899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey public synchronized void interfaceStatusChanged(String iface, boolean up) { 712899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey try { 713899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey mObserver.interfaceStatusChanged(iface, up); 714899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey } catch (RemoteException e) { 715899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey // ignored; target is local 716aa1727fe0cbb902c5f53a3fae601b4e15da0a2f4Chia-chi Yeh } 717ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh } 718ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh 719899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey private INetworkManagementEventObserver mObserver = new BaseNetworkObserver() { 720899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey @Override 721899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey public void interfaceStatusChanged(String interfaze, boolean up) { 722899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey synchronized (Vpn.this) { 723899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey if (!up && mLegacyVpnRunner != null) { 724899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey mLegacyVpnRunner.check(interfaze); 725899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey } 726199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh } 727ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh } 728ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh 729899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey @Override 730899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey public void interfaceRemoved(String interfaze) { 731899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey synchronized (Vpn.this) { 732899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey if (interfaze.equals(mInterface) && jniCheck(interfaze) == 0) { 73390b1b9f985a91fb54254705515f822b09c68ac26Jeff Davidson mStatusIntent = null; 7346bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen mVpnUsers = null; 735899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey mInterface = null; 736899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey if (mConnection != null) { 737899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey mContext.unbindService(mConnection); 738899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey mConnection = null; 7396bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen agentDisconnect(); 740899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey } else if (mLegacyVpnRunner != null) { 741899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey mLegacyVpnRunner.exit(); 742899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey mLegacyVpnRunner = null; 743899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey } 744899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey } 745899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey } 746899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey } 747899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey }; 748db3c8678e5cbdfec011afaf25bde2091152c30adHaoyu Bai 749dadc857d9de364fded10d4f69eb82bc9cd35d4b7Chia-chi Yeh private void enforceControlPermission() { 750bc19c181c8c058c824e4fee907a05129e142c388Jeff Davidson mContext.enforceCallingPermission(Manifest.permission.CONTROL_VPN, "Unauthorized Caller"); 751dadc857d9de364fded10d4f69eb82bc9cd35d4b7Chia-chi Yeh } 752dadc857d9de364fded10d4f69eb82bc9cd35d4b7Chia-chi Yeh 753199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh private class Connection implements ServiceConnection { 754199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh private IBinder mService; 755199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh 756199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh @Override 757199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh public void onServiceConnected(ComponentName name, IBinder service) { 758199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh mService = service; 759199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh } 760199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh 761199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh @Override 762199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh public void onServiceDisconnected(ComponentName name) { 763199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh mService = null; 764199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh } 765199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh } 766199ed6ef89bd356895534ba09ac43ed340cd9a1aChia-chi Yeh 76790b1b9f985a91fb54254705515f822b09c68ac26Jeff Davidson private void prepareStatusIntent() { 76890b1b9f985a91fb54254705515f822b09c68ac26Jeff Davidson final long token = Binder.clearCallingIdentity(); 76990b1b9f985a91fb54254705515f822b09c68ac26Jeff Davidson try { 77090b1b9f985a91fb54254705515f822b09c68ac26Jeff Davidson mStatusIntent = VpnConfig.getIntentForStatusPanel(mContext); 77190b1b9f985a91fb54254705515f822b09c68ac26Jeff Davidson } finally { 77290b1b9f985a91fb54254705515f822b09c68ac26Jeff Davidson Binder.restoreCallingIdentity(token); 77390b1b9f985a91fb54254705515f822b09c68ac26Jeff Davidson } 77490b1b9f985a91fb54254705515f822b09c68ac26Jeff Davidson } 77590b1b9f985a91fb54254705515f822b09c68ac26Jeff Davidson 776f4e0c0cb8ef22fdb20ae74b444c9f4b7d15ded8bSreeram Ramachandran public synchronized boolean addAddress(String address, int prefixLength) { 777c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran if (!isCallerEstablishedOwnerLocked()) { 778f4e0c0cb8ef22fdb20ae74b444c9f4b7d15ded8bSreeram Ramachandran return false; 779f4e0c0cb8ef22fdb20ae74b444c9f4b7d15ded8bSreeram Ramachandran } 780f4e0c0cb8ef22fdb20ae74b444c9f4b7d15ded8bSreeram Ramachandran boolean success = jniAddAddress(mInterface, address, prefixLength); 781c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran mNetworkAgent.sendLinkProperties(makeLinkProperties()); 782f4e0c0cb8ef22fdb20ae74b444c9f4b7d15ded8bSreeram Ramachandran return success; 783f4e0c0cb8ef22fdb20ae74b444c9f4b7d15ded8bSreeram Ramachandran } 784f4e0c0cb8ef22fdb20ae74b444c9f4b7d15ded8bSreeram Ramachandran 785f4e0c0cb8ef22fdb20ae74b444c9f4b7d15ded8bSreeram Ramachandran public synchronized boolean removeAddress(String address, int prefixLength) { 786c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran if (!isCallerEstablishedOwnerLocked()) { 787f4e0c0cb8ef22fdb20ae74b444c9f4b7d15ded8bSreeram Ramachandran return false; 788f4e0c0cb8ef22fdb20ae74b444c9f4b7d15ded8bSreeram Ramachandran } 789f4e0c0cb8ef22fdb20ae74b444c9f4b7d15ded8bSreeram Ramachandran boolean success = jniDelAddress(mInterface, address, prefixLength); 790c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran mNetworkAgent.sendLinkProperties(makeLinkProperties()); 791f4e0c0cb8ef22fdb20ae74b444c9f4b7d15ded8bSreeram Ramachandran return success; 792f4e0c0cb8ef22fdb20ae74b444c9f4b7d15ded8bSreeram Ramachandran } 793f4e0c0cb8ef22fdb20ae74b444c9f4b7d15ded8bSreeram Ramachandran 794c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran public synchronized boolean setUnderlyingNetworks(Network[] networks) { 795c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran if (!isCallerEstablishedOwnerLocked()) { 796c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran return false; 797c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran } 798c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran if (networks == null) { 799c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran mConfig.underlyingNetworks = null; 800c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran } else { 801c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran mConfig.underlyingNetworks = new Network[networks.length]; 802c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran for (int i = 0; i < networks.length; ++i) { 803c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran if (networks[i] == null) { 804c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran mConfig.underlyingNetworks[i] = null; 805c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran } else { 806c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran mConfig.underlyingNetworks[i] = new Network(networks[i].netId); 807c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran } 808c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran } 809c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran } 810c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran return true; 811c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran } 812c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran 813c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran public synchronized Network[] getUnderlyingNetworks() { 814c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran if (!isRunningLocked()) { 815c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran return null; 816c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran } 817c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran return mConfig.underlyingNetworks; 818c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran } 819c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran 820c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran public synchronized boolean appliesToUid(int uid) { 821c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran if (!isRunningLocked()) { 822c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran return false; 823c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran } 824c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran for (UidRange uidRange : mVpnUsers) { 825c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran if (uidRange.start <= uid && uid <= uidRange.stop) { 826c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran return true; 827c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran } 828c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran } 829c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran return false; 830c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran } 831c2c0beab79a907f63e109eefe2a5aabcf2e3fd8fSreeram Ramachandran 83297a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh private native int jniCreate(int mtu); 833c2b8aa0b4c822b0e307f62131650f4a6ee89bb66Chia-chi Yeh private native String jniGetName(int tun); 83497a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh private native int jniSetAddresses(String interfaze, String addresses); 835c2b8aa0b4c822b0e307f62131650f4a6ee89bb66Chia-chi Yeh private native void jniReset(String interfaze); 836c2b8aa0b4c822b0e307f62131650f4a6ee89bb66Chia-chi Yeh private native int jniCheck(String interfaze); 837f4e0c0cb8ef22fdb20ae74b444c9f4b7d15ded8bSreeram Ramachandran private native boolean jniAddAddress(String interfaze, String address, int prefixLen); 838f4e0c0cb8ef22fdb20ae74b444c9f4b7d15ded8bSreeram Ramachandran private native boolean jniDelAddress(String interfaze, String address, int prefixLen); 83985a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh 84041fb98c8681cbe0040b8d4efc65d33717c3819f6Lorenzo Colitti private static RouteInfo findIPv4DefaultRoute(LinkProperties prop) { 84141fb98c8681cbe0040b8d4efc65d33717c3819f6Lorenzo Colitti for (RouteInfo route : prop.getAllRoutes()) { 84282f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey // Currently legacy VPN only works on IPv4. 84382f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey if (route.isDefaultRoute() && route.getGateway() instanceof Inet4Address) { 84441fb98c8681cbe0040b8d4efc65d33717c3819f6Lorenzo Colitti return route; 84582f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey } 84682f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey } 84782f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey 84841fb98c8681cbe0040b8d4efc65d33717c3819f6Lorenzo Colitti throw new IllegalStateException("Unable to find IPv4 default gateway"); 84982f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey } 85082f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey 85185a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh /** 85282f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey * Start legacy VPN, controlling native daemons as needed. Creates a 85382f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey * secondary thread to perform connection work, returning quickly. 85485a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh */ 85582f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey public void startLegacyVpn(VpnProfile profile, KeyStore keyStore, LinkProperties egress) { 8565a6bdc46e2fdc8cfd930396773dd89efd19fa1f1Robert Greenwalt enforceControlPermission(); 857b9594ce9ebb3f5f303a280f04312ae5754ce3560Kenny Root if (!keyStore.isUnlocked()) { 85882f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey throw new IllegalStateException("KeyStore isn't unlocked"); 85982f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey } 860f5116d01b20f21ba32cd9eaa3412daf97f41c623Julia Reynolds UserManager mgr = UserManager.get(mContext); 8610784eeab28da094a87437ed454fe3dca01b1f9f2Paul Jensen UserInfo user = mgr.getUserInfo(mUserHandle); 862f5116d01b20f21ba32cd9eaa3412daf97f41c623Julia Reynolds if (user.isRestricted() || mgr.hasUserRestriction(UserManager.DISALLOW_CONFIG_VPN)) { 863f5116d01b20f21ba32cd9eaa3412daf97f41c623Julia Reynolds throw new SecurityException("Restricted users cannot establish VPNs"); 864f5116d01b20f21ba32cd9eaa3412daf97f41c623Julia Reynolds } 86582f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey 86641fb98c8681cbe0040b8d4efc65d33717c3819f6Lorenzo Colitti final RouteInfo ipv4DefaultRoute = findIPv4DefaultRoute(egress); 86741fb98c8681cbe0040b8d4efc65d33717c3819f6Lorenzo Colitti final String gateway = ipv4DefaultRoute.getGateway().getHostAddress(); 86841fb98c8681cbe0040b8d4efc65d33717c3819f6Lorenzo Colitti final String iface = ipv4DefaultRoute.getInterface(); 86982f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey 87082f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey // Load certificates. 87182f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey String privateKey = ""; 87282f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey String userCert = ""; 87382f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey String caCert = ""; 87482f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey String serverCert = ""; 87582f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey if (!profile.ipsecUserCert.isEmpty()) { 87682f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey privateKey = Credentials.USER_PRIVATE_KEY + profile.ipsecUserCert; 87782f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey byte[] value = keyStore.get(Credentials.USER_CERTIFICATE + profile.ipsecUserCert); 878d396a448b2e36e29598c954b64bfddef73f3fae0Elliott Hughes userCert = (value == null) ? null : new String(value, StandardCharsets.UTF_8); 87982f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey } 88082f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey if (!profile.ipsecCaCert.isEmpty()) { 88182f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey byte[] value = keyStore.get(Credentials.CA_CERTIFICATE + profile.ipsecCaCert); 882d396a448b2e36e29598c954b64bfddef73f3fae0Elliott Hughes caCert = (value == null) ? null : new String(value, StandardCharsets.UTF_8); 88382f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey } 88482f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey if (!profile.ipsecServerCert.isEmpty()) { 88582f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey byte[] value = keyStore.get(Credentials.USER_CERTIFICATE + profile.ipsecServerCert); 886d396a448b2e36e29598c954b64bfddef73f3fae0Elliott Hughes serverCert = (value == null) ? null : new String(value, StandardCharsets.UTF_8); 88782f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey } 88882f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey if (privateKey == null || userCert == null || caCert == null || serverCert == null) { 88982f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey throw new IllegalStateException("Cannot load credentials"); 89082f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey } 89182f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey 89282f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey // Prepare arguments for racoon. 89382f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey String[] racoon = null; 89482f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey switch (profile.type) { 89582f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey case VpnProfile.TYPE_L2TP_IPSEC_PSK: 89682f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey racoon = new String[] { 89782f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey iface, profile.server, "udppsk", profile.ipsecIdentifier, 89882f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey profile.ipsecSecret, "1701", 89982f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey }; 90082f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey break; 90182f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey case VpnProfile.TYPE_L2TP_IPSEC_RSA: 90282f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey racoon = new String[] { 90382f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey iface, profile.server, "udprsa", privateKey, userCert, 90482f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey caCert, serverCert, "1701", 90582f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey }; 90682f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey break; 90782f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey case VpnProfile.TYPE_IPSEC_XAUTH_PSK: 90882f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey racoon = new String[] { 90982f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey iface, profile.server, "xauthpsk", profile.ipsecIdentifier, 91082f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey profile.ipsecSecret, profile.username, profile.password, "", gateway, 91182f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey }; 91282f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey break; 91382f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey case VpnProfile.TYPE_IPSEC_XAUTH_RSA: 91482f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey racoon = new String[] { 91582f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey iface, profile.server, "xauthrsa", privateKey, userCert, 91682f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey caCert, serverCert, profile.username, profile.password, "", gateway, 91782f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey }; 91882f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey break; 91982f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey case VpnProfile.TYPE_IPSEC_HYBRID_RSA: 92082f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey racoon = new String[] { 92182f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey iface, profile.server, "hybridrsa", 92282f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey caCert, serverCert, profile.username, profile.password, "", gateway, 92382f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey }; 92482f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey break; 92582f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey } 92682f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey 92782f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey // Prepare arguments for mtpd. 92882f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey String[] mtpd = null; 92982f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey switch (profile.type) { 93082f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey case VpnProfile.TYPE_PPTP: 93182f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey mtpd = new String[] { 93282f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey iface, "pptp", profile.server, "1723", 93382f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey "name", profile.username, "password", profile.password, 93482f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey "linkname", "vpn", "refuse-eap", "nodefaultroute", 93582f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey "usepeerdns", "idle", "1800", "mtu", "1400", "mru", "1400", 93682f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey (profile.mppe ? "+mppe" : "nomppe"), 93782f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey }; 93882f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey break; 93982f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey case VpnProfile.TYPE_L2TP_IPSEC_PSK: 94082f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey case VpnProfile.TYPE_L2TP_IPSEC_RSA: 94182f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey mtpd = new String[] { 94282f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey iface, "l2tp", profile.server, "1701", profile.l2tpSecret, 94382f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey "name", profile.username, "password", profile.password, 94482f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey "linkname", "vpn", "refuse-eap", "nodefaultroute", 94582f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey "usepeerdns", "idle", "1800", "mtu", "1400", "mru", "1400", 94682f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey }; 94782f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey break; 94882f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey } 949899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey 95082f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey VpnConfig config = new VpnConfig(); 951899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey config.legacy = true; 95282f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey config.user = profile.key; 95382f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey config.interfaze = iface; 95482f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey config.session = profile.name; 9554ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker 9564ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker config.addLegacyRoutes(profile.routes); 95782f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey if (!profile.dnsServers.isEmpty()) { 95882f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey config.dnsServers = Arrays.asList(profile.dnsServers.split(" +")); 95982f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey } 96082f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey if (!profile.searchDomains.isEmpty()) { 96182f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey config.searchDomains = Arrays.asList(profile.searchDomains.split(" +")); 96282f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey } 96382f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey startLegacyVpn(config, racoon, mtpd); 96482f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey } 96582f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey 96682f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey private synchronized void startLegacyVpn(VpnConfig config, String[] racoon, String[] mtpd) { 96782f8521d386f3109147c477d04e5e90e5c715fa0Jeff Sharkey stopLegacyVpn(); 968899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey 969100155a310fbb5028fc48e359bdfb7c4d3531843Chia-chi Yeh // Prepare for the new request. This also checks the caller. 970100155a310fbb5028fc48e359bdfb7c4d3531843Chia-chi Yeh prepare(null, VpnConfig.LEGACY_VPN); 971899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey updateState(DetailedState.CONNECTING, "startLegacyVpn"); 97285a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh 9732e46764a707bd14cad22bc179669eeecb2d7c647Chia-chi Yeh // Start a new LegacyVpnRunner and we are done! 974100155a310fbb5028fc48e359bdfb7c4d3531843Chia-chi Yeh mLegacyVpnRunner = new LegacyVpnRunner(config, racoon, mtpd); 975100155a310fbb5028fc48e359bdfb7c4d3531843Chia-chi Yeh mLegacyVpnRunner.start(); 97685a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh } 97785a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh 978899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey public synchronized void stopLegacyVpn() { 979899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey if (mLegacyVpnRunner != null) { 980899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey mLegacyVpnRunner.exit(); 981899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey mLegacyVpnRunner = null; 982899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey 983899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey synchronized (LegacyVpnRunner.TAG) { 984899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey // wait for old thread to completely finish before spinning up 985899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey // new instance, otherwise state updates can be out of order. 986899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey } 987899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey } 988899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey } 989899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey 99085a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh /** 9912e46764a707bd14cad22bc179669eeecb2d7c647Chia-chi Yeh * Return the information of the current ongoing legacy VPN. 9922e46764a707bd14cad22bc179669eeecb2d7c647Chia-chi Yeh */ 9932e46764a707bd14cad22bc179669eeecb2d7c647Chia-chi Yeh public synchronized LegacyVpnInfo getLegacyVpnInfo() { 994dadc857d9de364fded10d4f69eb82bc9cd35d4b7Chia-chi Yeh // Check if the caller is authorized. 995dadc857d9de364fded10d4f69eb82bc9cd35d4b7Chia-chi Yeh enforceControlPermission(); 996899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey if (mLegacyVpnRunner == null) return null; 997899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey 998899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey final LegacyVpnInfo info = new LegacyVpnInfo(); 999c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker info.key = mConfig.user; 1000899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey info.state = LegacyVpnInfo.stateFromNetworkInfo(mNetworkInfo); 100190b1b9f985a91fb54254705515f822b09c68ac26Jeff Davidson if (mNetworkInfo.isConnected()) { 100290b1b9f985a91fb54254705515f822b09c68ac26Jeff Davidson info.intent = mStatusIntent; 100390b1b9f985a91fb54254705515f822b09c68ac26Jeff Davidson } 1004899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey return info; 10052e46764a707bd14cad22bc179669eeecb2d7c647Chia-chi Yeh } 10062e46764a707bd14cad22bc179669eeecb2d7c647Chia-chi Yeh 100769ddab4575ff684c533c995e07ca15fe18543fc0Jeff Sharkey public VpnConfig getLegacyVpnConfig() { 100869ddab4575ff684c533c995e07ca15fe18543fc0Jeff Sharkey if (mLegacyVpnRunner != null) { 1009c2865195b66490bd1f9d3df4fe4f5e2a46e2196aChad Brubaker return mConfig; 101069ddab4575ff684c533c995e07ca15fe18543fc0Jeff Sharkey } else { 101169ddab4575ff684c533c995e07ca15fe18543fc0Jeff Sharkey return null; 101269ddab4575ff684c533c995e07ca15fe18543fc0Jeff Sharkey } 101369ddab4575ff684c533c995e07ca15fe18543fc0Jeff Sharkey } 101469ddab4575ff684c533c995e07ca15fe18543fc0Jeff Sharkey 10152e46764a707bd14cad22bc179669eeecb2d7c647Chia-chi Yeh /** 101685a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh * Bringing up a VPN connection takes time, and that is all this thread 101785a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh * does. Here we have plenty of time. The only thing we need to take 101885a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh * care of is responding to interruptions as soon as possible. Otherwise 101985a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh * requests will be piled up. This can be done in a Handler as a state 102085a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh * machine, but it is much easier to read in the current form. 102185a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh */ 102285a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh private class LegacyVpnRunner extends Thread { 102385a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh private static final String TAG = "LegacyVpnRunner"; 102485a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh 10251f7746b39b94be1149228751e45a40ea39603611Chia-chi Yeh private final String[] mDaemons; 102685a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh private final String[][] mArguments; 10275317f034bacaab19af3181da8e9752cbb5b09a08Chia-chi Yeh private final LocalSocket[] mSockets; 102853c04bdd35a85aa65d1a1f18ca2ee34970e2c2d0Robert Greenwalt private final String mOuterInterface; 10291b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt private final AtomicInteger mOuterConnection = 10301b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt new AtomicInteger(ConnectivityManager.TYPE_NONE); 10312e46764a707bd14cad22bc179669eeecb2d7c647Chia-chi Yeh 103285a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh private long mTimer = -1; 103385a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh 10341b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt /** 10351b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt * Watch for the outer connection (passing in the constructor) going away. 10361b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt */ 10371b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt private final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { 10381b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt @Override 10391b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt public void onReceive(Context context, Intent intent) { 104057666934b4a161cc2fb77eef15d0b894aaf8f173Jeff Sharkey if (!mEnableTeardown) return; 104157666934b4a161cc2fb77eef15d0b894aaf8f173Jeff Sharkey 10421b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt if (intent.getAction().equals(ConnectivityManager.CONNECTIVITY_ACTION)) { 10431b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt if (intent.getIntExtra(ConnectivityManager.EXTRA_NETWORK_TYPE, 10441b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt ConnectivityManager.TYPE_NONE) == mOuterConnection.get()) { 10451b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt NetworkInfo info = (NetworkInfo)intent.getExtra( 10461b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt ConnectivityManager.EXTRA_NETWORK_INFO); 10471b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt if (info != null && !info.isConnectedOrConnecting()) { 10481b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt try { 10491b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt mObserver.interfaceStatusChanged(mOuterInterface, false); 10501b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt } catch (RemoteException e) {} 10511b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt } 10521b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt } 10531b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt } 10541b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt } 10551b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt }; 10561b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt 105741d1685a22ba8038517d6fdb57006023e03f12e1Chia-chi Yeh public LegacyVpnRunner(VpnConfig config, String[] racoon, String[] mtpd) { 105885a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh super(TAG); 105941d1685a22ba8038517d6fdb57006023e03f12e1Chia-chi Yeh mConfig = config; 106041d1685a22ba8038517d6fdb57006023e03f12e1Chia-chi Yeh mDaemons = new String[] {"racoon", "mtpd"}; 1061899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey // TODO: clear arguments from memory once launched 106241d1685a22ba8038517d6fdb57006023e03f12e1Chia-chi Yeh mArguments = new String[][] {racoon, mtpd}; 10635317f034bacaab19af3181da8e9752cbb5b09a08Chia-chi Yeh mSockets = new LocalSocket[mDaemons.length]; 106453c04bdd35a85aa65d1a1f18ca2ee34970e2c2d0Robert Greenwalt 106553c04bdd35a85aa65d1a1f18ca2ee34970e2c2d0Robert Greenwalt // This is the interface which VPN is running on, 106653c04bdd35a85aa65d1a1f18ca2ee34970e2c2d0Robert Greenwalt // mConfig.interfaze will change to point to OUR 106753c04bdd35a85aa65d1a1f18ca2ee34970e2c2d0Robert Greenwalt // internal interface soon. TODO - add inner/outer to mconfig 10681b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt // TODO - we have a race - if the outer iface goes away/disconnects before we hit this 10694ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker // we will leave the VPN up. We should check that it's still there/connected after 10701b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt // registering 107153c04bdd35a85aa65d1a1f18ca2ee34970e2c2d0Robert Greenwalt mOuterInterface = mConfig.interfaze; 10721b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt 10731b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt try { 10741b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt mOuterConnection.set( 10751b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt mConnService.findConnectionTypeForIface(mOuterInterface)); 10761b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt } catch (Exception e) { 10771b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt mOuterConnection.set(ConnectivityManager.TYPE_NONE); 10781b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt } 10791b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt 10801b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt IntentFilter filter = new IntentFilter(); 10811b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt filter.addAction(ConnectivityManager.CONNECTIVITY_ACTION); 10821b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt mContext.registerReceiver(mBroadcastReceiver, filter); 108341d1685a22ba8038517d6fdb57006023e03f12e1Chia-chi Yeh } 108441d1685a22ba8038517d6fdb57006023e03f12e1Chia-chi Yeh 1085aa1727fe0cbb902c5f53a3fae601b4e15da0a2f4Chia-chi Yeh public void check(String interfaze) { 108653c04bdd35a85aa65d1a1f18ca2ee34970e2c2d0Robert Greenwalt if (interfaze.equals(mOuterInterface)) { 1087aa1727fe0cbb902c5f53a3fae601b4e15da0a2f4Chia-chi Yeh Log.i(TAG, "Legacy VPN is going down with " + interfaze); 1088aa1727fe0cbb902c5f53a3fae601b4e15da0a2f4Chia-chi Yeh exit(); 1089aa1727fe0cbb902c5f53a3fae601b4e15da0a2f4Chia-chi Yeh } 1090aa1727fe0cbb902c5f53a3fae601b4e15da0a2f4Chia-chi Yeh } 1091aa1727fe0cbb902c5f53a3fae601b4e15da0a2f4Chia-chi Yeh 109241d1685a22ba8038517d6fdb57006023e03f12e1Chia-chi Yeh public void exit() { 10935317f034bacaab19af3181da8e9752cbb5b09a08Chia-chi Yeh // We assume that everything is reset after stopping the daemons. 109497a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh interrupt(); 10955317f034bacaab19af3181da8e9752cbb5b09a08Chia-chi Yeh for (LocalSocket socket : mSockets) { 1096065b299df4159602327977dd007cb2cd6b64ab20Jeff Sharkey IoUtils.closeQuietly(socket); 109741d1685a22ba8038517d6fdb57006023e03f12e1Chia-chi Yeh } 10986bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen agentDisconnect(); 10991b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt try { 11001b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt mContext.unregisterReceiver(mBroadcastReceiver); 11011b0ca9dace3fb3b84f8a87e539c0179e6093b423Robert Greenwalt } catch (IllegalArgumentException e) {} 11022e46764a707bd14cad22bc179669eeecb2d7c647Chia-chi Yeh } 11032e46764a707bd14cad22bc179669eeecb2d7c647Chia-chi Yeh 110485a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh @Override 110585a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh public void run() { 110685a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh // Wait for the previous thread since it has been interrupted. 11072e46764a707bd14cad22bc179669eeecb2d7c647Chia-chi Yeh Log.v(TAG, "Waiting"); 110885a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh synchronized (TAG) { 11092e46764a707bd14cad22bc179669eeecb2d7c647Chia-chi Yeh Log.v(TAG, "Executing"); 111085a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh execute(); 1111899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey monitorDaemons(); 111285a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh } 111385a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh } 111485a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh 111585a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh private void checkpoint(boolean yield) throws InterruptedException { 111685a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh long now = SystemClock.elapsedRealtime(); 111785a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh if (mTimer == -1) { 111885a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh mTimer = now; 111985a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh Thread.sleep(1); 11207ef8611b5f3a893a46c7b9e22bdd8ab252e373ffChia-chi Yeh } else if (now - mTimer <= 60000) { 112185a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh Thread.sleep(yield ? 200 : 1); 112285a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh } else { 1123899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey updateState(DetailedState.FAILED, "checkpoint"); 112497a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh throw new IllegalStateException("Time is up"); 112585a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh } 112685a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh } 112785a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh 112885a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh private void execute() { 112985a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh // Catch all exceptions so we can clean up few things. 1130899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey boolean initFinished = false; 113185a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh try { 113285a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh // Initialize the timer. 113385a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh checkpoint(false); 113485a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh 11351f7746b39b94be1149228751e45a40ea39603611Chia-chi Yeh // Wait for the daemons to stop. 11361f7746b39b94be1149228751e45a40ea39603611Chia-chi Yeh for (String daemon : mDaemons) { 1137088f29f55eebc6862a4cb5dddeaefacf24f74d95Jeff Sharkey while (!SystemService.isStopped(daemon)) { 113885a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh checkpoint(true); 113985a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh } 114085a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh } 114185a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh 114297a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh // Clear the previous state. 114397a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh File state = new File("/data/misc/vpn/state"); 114497a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh state.delete(); 114597a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh if (state.exists()) { 114697a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh throw new IllegalStateException("Cannot delete the state"); 114785a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh } 1148c1872732922214de80f790e14865e41dd1b98203Chia-chi Yeh new File("/data/misc/vpn/abort").delete(); 1149899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey initFinished = true; 115085a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh 1151e9107901ae264de4ff5603d3cfc63a03ca4117d4Chia-chi Yeh // Check if we need to restart any of the daemons. 115285a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh boolean restart = false; 115385a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh for (String[] arguments : mArguments) { 115485a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh restart = restart || (arguments != null); 115585a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh } 115685a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh if (!restart) { 11576bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen agentDisconnect(); 115885a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh return; 115985a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh } 1160899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey updateState(DetailedState.CONNECTING, "execute"); 116185a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh 11621f7746b39b94be1149228751e45a40ea39603611Chia-chi Yeh // Start the daemon with arguments. 11631f7746b39b94be1149228751e45a40ea39603611Chia-chi Yeh for (int i = 0; i < mDaemons.length; ++i) { 116485a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh String[] arguments = mArguments[i]; 116585a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh if (arguments == null) { 116685a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh continue; 116785a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh } 116885a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh 11691f7746b39b94be1149228751e45a40ea39603611Chia-chi Yeh // Start the daemon. 11701f7746b39b94be1149228751e45a40ea39603611Chia-chi Yeh String daemon = mDaemons[i]; 1171088f29f55eebc6862a4cb5dddeaefacf24f74d95Jeff Sharkey SystemService.start(daemon); 117285a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh 11731f7746b39b94be1149228751e45a40ea39603611Chia-chi Yeh // Wait for the daemon to start. 1174088f29f55eebc6862a4cb5dddeaefacf24f74d95Jeff Sharkey while (!SystemService.isRunning(daemon)) { 117585a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh checkpoint(true); 117685a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh } 117785a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh 117885a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh // Create the control socket. 11795317f034bacaab19af3181da8e9752cbb5b09a08Chia-chi Yeh mSockets[i] = new LocalSocket(); 118085a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh LocalSocketAddress address = new LocalSocketAddress( 11811f7746b39b94be1149228751e45a40ea39603611Chia-chi Yeh daemon, LocalSocketAddress.Namespace.RESERVED); 118285a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh 118385a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh // Wait for the socket to connect. 118485a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh while (true) { 118585a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh try { 11865317f034bacaab19af3181da8e9752cbb5b09a08Chia-chi Yeh mSockets[i].connect(address); 118785a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh break; 118885a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh } catch (Exception e) { 118985a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh // ignore 119085a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh } 119185a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh checkpoint(true); 119285a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh } 11935317f034bacaab19af3181da8e9752cbb5b09a08Chia-chi Yeh mSockets[i].setSoTimeout(500); 119485a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh 119585a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh // Send over the arguments. 11965317f034bacaab19af3181da8e9752cbb5b09a08Chia-chi Yeh OutputStream out = mSockets[i].getOutputStream(); 119785a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh for (String argument : arguments) { 1198d396a448b2e36e29598c954b64bfddef73f3fae0Elliott Hughes byte[] bytes = argument.getBytes(StandardCharsets.UTF_8); 11995317f034bacaab19af3181da8e9752cbb5b09a08Chia-chi Yeh if (bytes.length >= 0xFFFF) { 120097a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh throw new IllegalArgumentException("Argument is too large"); 120185a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh } 12021f7746b39b94be1149228751e45a40ea39603611Chia-chi Yeh out.write(bytes.length >> 8); 12031f7746b39b94be1149228751e45a40ea39603611Chia-chi Yeh out.write(bytes.length); 12041f7746b39b94be1149228751e45a40ea39603611Chia-chi Yeh out.write(bytes); 120585a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh checkpoint(false); 120685a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh } 12075317f034bacaab19af3181da8e9752cbb5b09a08Chia-chi Yeh out.write(0xFF); 12085317f034bacaab19af3181da8e9752cbb5b09a08Chia-chi Yeh out.write(0xFF); 12091f7746b39b94be1149228751e45a40ea39603611Chia-chi Yeh out.flush(); 121097a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh 121197a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh // Wait for End-of-File. 12125317f034bacaab19af3181da8e9752cbb5b09a08Chia-chi Yeh InputStream in = mSockets[i].getInputStream(); 121397a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh while (true) { 121497a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh try { 121597a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh if (in.read() == -1) { 121697a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh break; 121797a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh } 121897a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh } catch (Exception e) { 121997a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh // ignore 122097a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh } 122197a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh checkpoint(true); 122297a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh } 122385a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh } 122485a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh 122597a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh // Wait for the daemons to create the new state. 122697a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh while (!state.exists()) { 12271f7746b39b94be1149228751e45a40ea39603611Chia-chi Yeh // Check if a running daemon is dead. 12281f7746b39b94be1149228751e45a40ea39603611Chia-chi Yeh for (int i = 0; i < mDaemons.length; ++i) { 12291f7746b39b94be1149228751e45a40ea39603611Chia-chi Yeh String daemon = mDaemons[i]; 1230088f29f55eebc6862a4cb5dddeaefacf24f74d95Jeff Sharkey if (mArguments[i] != null && !SystemService.isRunning(daemon)) { 12312e46764a707bd14cad22bc179669eeecb2d7c647Chia-chi Yeh throw new IllegalStateException(daemon + " is dead"); 123285a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh } 123385a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh } 123485a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh checkpoint(true); 123585a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh } 123685a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh 123797a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh // Now we are connected. Read and parse the new state. 1238c1bac3a6e240c1c9a14a7b515f585977fb908930Chia-chi Yeh String[] parameters = FileUtils.readTextFile(state, 0, null).split("\n", -1); 12395026279ce45ae78126046607a2634dc9dae93199Lorenzo Colitti if (parameters.length != 7) { 124097a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh throw new IllegalStateException("Cannot parse the state"); 124197a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh } 124297a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh 124397a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh // Set the interface and the addresses in the config. 124497a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh mConfig.interfaze = parameters[0].trim(); 124585a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh 12464ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker mConfig.addLegacyAddresses(parameters[1]); 124797a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh // Set the routes if they are not set in the config. 124897a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh if (mConfig.routes == null || mConfig.routes.isEmpty()) { 12494ca19e8377f33e8a80684fb4ee67f5a4bdc9ea76Chad Brubaker mConfig.addLegacyRoutes(parameters[2]); 125097a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh } 125197a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh 125297a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh // Set the DNS servers if they are not set in the config. 125341d1685a22ba8038517d6fdb57006023e03f12e1Chia-chi Yeh if (mConfig.dnsServers == null || mConfig.dnsServers.size() == 0) { 125497a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh String dnsServers = parameters[3].trim(); 125541d1685a22ba8038517d6fdb57006023e03f12e1Chia-chi Yeh if (!dnsServers.isEmpty()) { 125641d1685a22ba8038517d6fdb57006023e03f12e1Chia-chi Yeh mConfig.dnsServers = Arrays.asList(dnsServers.split(" ")); 125741d1685a22ba8038517d6fdb57006023e03f12e1Chia-chi Yeh } 125841d1685a22ba8038517d6fdb57006023e03f12e1Chia-chi Yeh } 125941d1685a22ba8038517d6fdb57006023e03f12e1Chia-chi Yeh 126097a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh // Set the search domains if they are not set in the config. 126197a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh if (mConfig.searchDomains == null || mConfig.searchDomains.size() == 0) { 126297a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh String searchDomains = parameters[4].trim(); 126397a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh if (!searchDomains.isEmpty()) { 126497a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh mConfig.searchDomains = Arrays.asList(searchDomains.split(" ")); 126597a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh } 126697a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh } 126797a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh 12685026279ce45ae78126046607a2634dc9dae93199Lorenzo Colitti // Add a throw route for the VPN server endpoint, if one was specified. 12695026279ce45ae78126046607a2634dc9dae93199Lorenzo Colitti String endpoint = parameters[5]; 12705026279ce45ae78126046607a2634dc9dae93199Lorenzo Colitti if (!endpoint.isEmpty()) { 12715026279ce45ae78126046607a2634dc9dae93199Lorenzo Colitti try { 12725026279ce45ae78126046607a2634dc9dae93199Lorenzo Colitti InetAddress addr = InetAddress.parseNumericAddress(endpoint); 12735026279ce45ae78126046607a2634dc9dae93199Lorenzo Colitti if (addr instanceof Inet4Address) { 12745026279ce45ae78126046607a2634dc9dae93199Lorenzo Colitti mConfig.routes.add(new RouteInfo(new IpPrefix(addr, 32), RTN_THROW)); 12755026279ce45ae78126046607a2634dc9dae93199Lorenzo Colitti } else if (addr instanceof Inet6Address) { 12765026279ce45ae78126046607a2634dc9dae93199Lorenzo Colitti mConfig.routes.add(new RouteInfo(new IpPrefix(addr, 128), RTN_THROW)); 12775026279ce45ae78126046607a2634dc9dae93199Lorenzo Colitti } else { 12785026279ce45ae78126046607a2634dc9dae93199Lorenzo Colitti Log.e(TAG, "Unknown IP address family for VPN endpoint: " + endpoint); 12795026279ce45ae78126046607a2634dc9dae93199Lorenzo Colitti } 12805026279ce45ae78126046607a2634dc9dae93199Lorenzo Colitti } catch (IllegalArgumentException e) { 12815026279ce45ae78126046607a2634dc9dae93199Lorenzo Colitti Log.e(TAG, "Exception constructing throw route to " + endpoint + ": " + e); 12825026279ce45ae78126046607a2634dc9dae93199Lorenzo Colitti } 12835026279ce45ae78126046607a2634dc9dae93199Lorenzo Colitti } 12845026279ce45ae78126046607a2634dc9dae93199Lorenzo Colitti 128597a61565ea95472e65899070e64853f8c147bb11Chia-chi Yeh // Here is the last step and it must be done synchronously. 128641d1685a22ba8038517d6fdb57006023e03f12e1Chia-chi Yeh synchronized (Vpn.this) { 12872b862e5e75ad419f17a4cea185b9349e0da70e7bVinit Deshapnde // Set the start time 12882b862e5e75ad419f17a4cea185b9349e0da70e7bVinit Deshapnde mConfig.startTime = SystemClock.elapsedRealtime(); 12892b862e5e75ad419f17a4cea185b9349e0da70e7bVinit Deshapnde 129041d1685a22ba8038517d6fdb57006023e03f12e1Chia-chi Yeh // Check if the thread is interrupted while we are waiting. 129141d1685a22ba8038517d6fdb57006023e03f12e1Chia-chi Yeh checkpoint(false); 129241d1685a22ba8038517d6fdb57006023e03f12e1Chia-chi Yeh 1293e9107901ae264de4ff5603d3cfc63a03ca4117d4Chia-chi Yeh // Check if the interface is gone while we are waiting. 1294c2b8aa0b4c822b0e307f62131650f4a6ee89bb66Chia-chi Yeh if (jniCheck(mConfig.interfaze) == 0) { 129534e7813e962de99df9813014678ef5901227c5f1Chia-chi Yeh throw new IllegalStateException(mConfig.interfaze + " is gone"); 129641d1685a22ba8038517d6fdb57006023e03f12e1Chia-chi Yeh } 1297e9107901ae264de4ff5603d3cfc63a03ca4117d4Chia-chi Yeh 1298e9107901ae264de4ff5603d3cfc63a03ca4117d4Chia-chi Yeh // Now INetworkManagementEventObserver is watching our back. 1299c2b8aa0b4c822b0e307f62131650f4a6ee89bb66Chia-chi Yeh mInterface = mConfig.interfaze; 13006bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen mVpnUsers = new ArrayList<UidRange>(); 13016bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen 13026bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen agentConnect(); 13032e46764a707bd14cad22bc179669eeecb2d7c647Chia-chi Yeh 13042e46764a707bd14cad22bc179669eeecb2d7c647Chia-chi Yeh Log.i(TAG, "Connected!"); 130541d1685a22ba8038517d6fdb57006023e03f12e1Chia-chi Yeh } 130685a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh } catch (Exception e) { 13072e46764a707bd14cad22bc179669eeecb2d7c647Chia-chi Yeh Log.i(TAG, "Aborting", e); 1308438406092ed71c658bf5a4e6ae2e7282fc4fab4dLorenzo Colitti updateState(DetailedState.FAILED, e.getMessage()); 1309e9107901ae264de4ff5603d3cfc63a03ca4117d4Chia-chi Yeh exit(); 13102e46764a707bd14cad22bc179669eeecb2d7c647Chia-chi Yeh } finally { 13115317f034bacaab19af3181da8e9752cbb5b09a08Chia-chi Yeh // Kill the daemons if they fail to stop. 1312899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey if (!initFinished) { 13135317f034bacaab19af3181da8e9752cbb5b09a08Chia-chi Yeh for (String daemon : mDaemons) { 1314088f29f55eebc6862a4cb5dddeaefacf24f74d95Jeff Sharkey SystemService.stop(daemon); 13155317f034bacaab19af3181da8e9752cbb5b09a08Chia-chi Yeh } 13165317f034bacaab19af3181da8e9752cbb5b09a08Chia-chi Yeh } 13175317f034bacaab19af3181da8e9752cbb5b09a08Chia-chi Yeh 13182e46764a707bd14cad22bc179669eeecb2d7c647Chia-chi Yeh // Do not leave an unstable state. 1319899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey if (!initFinished || mNetworkInfo.getDetailedState() == DetailedState.CONNECTING) { 13206bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen agentDisconnect(); 13212e46764a707bd14cad22bc179669eeecb2d7c647Chia-chi Yeh } 132285a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh } 132385a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh } 1324899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey 1325899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey /** 1326899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey * Monitor the daemons we started, moving to disconnected state if the 1327899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey * underlying services fail. 1328899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey */ 1329899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey private void monitorDaemons() { 1330899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey if (!mNetworkInfo.isConnected()) { 1331899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey return; 1332899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey } 1333899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey 1334899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey try { 1335899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey while (true) { 1336899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey Thread.sleep(2000); 1337899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey for (int i = 0; i < mDaemons.length; i++) { 1338899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey if (mArguments[i] != null && SystemService.isStopped(mDaemons[i])) { 1339899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey return; 1340899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey } 1341899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey } 1342899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey } 1343899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey } catch (InterruptedException e) { 1344899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey Log.d(TAG, "interrupted during monitorDaemons(); stopping services"); 1345899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey } finally { 1346899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey for (String daemon : mDaemons) { 1347899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey SystemService.stop(daemon); 1348899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey } 1349899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey 13506bc2c2c34f2b23eae79ad733c97a691734055c4fPaul Jensen agentDisconnect(); 1351899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey } 1352899223b97c9b0ae56a8211a46600914c0ecfd854Jeff Sharkey } 135385a7ce02c8b53e1efaa5a3a32f0a5ec7b549f758Chia-chi Yeh } 1354ff3bdca31f4cf2bd607519b276dd175763aa1784Chia-chi Yeh} 1355