Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.server.connectivity; |
| 18 | |
| 19 | import android.app.Notification; |
| 20 | import android.app.NotificationManager; |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 21 | import android.content.Context; |
| 22 | import android.content.Intent; |
| 23 | import android.content.pm.ApplicationInfo; |
| 24 | import android.content.pm.PackageManager; |
| 25 | import android.content.res.Resources; |
| 26 | import android.graphics.Bitmap; |
| 27 | import android.graphics.Canvas; |
| 28 | import android.graphics.drawable.Drawable; |
| 29 | import android.net.INetworkManagementEventObserver; |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 30 | import android.net.LocalSocket; |
| 31 | import android.net.LocalSocketAddress; |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 32 | import android.os.Binder; |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 33 | import android.os.ParcelFileDescriptor; |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 34 | import android.os.Process; |
| 35 | import android.os.SystemClock; |
| 36 | import android.os.SystemProperties; |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 37 | import android.util.Log; |
| 38 | |
| 39 | import com.android.internal.R; |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 40 | import com.android.internal.net.LegacyVpnInfo; |
Chia-chi Yeh | 04ba25c | 2011-06-15 17:07:27 -0700 | [diff] [blame] | 41 | import com.android.internal.net.VpnConfig; |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 42 | import com.android.server.ConnectivityService.VpnCallback; |
| 43 | |
Chia-chi Yeh | 97a6156 | 2011-07-14 15:05:05 -0700 | [diff] [blame] | 44 | import java.io.File; |
| 45 | import java.io.FileInputStream; |
| 46 | import java.io.InputStream; |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 47 | import java.io.OutputStream; |
| 48 | import java.nio.charset.Charsets; |
Chia-chi Yeh | 41d1685 | 2011-07-01 02:12:06 -0700 | [diff] [blame] | 49 | import java.util.Arrays; |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 50 | |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 51 | /** |
| 52 | * @hide |
| 53 | */ |
| 54 | public class Vpn extends INetworkManagementEventObserver.Stub { |
| 55 | |
| 56 | private final static String TAG = "Vpn"; |
| 57 | private final static String VPN = android.Manifest.permission.VPN; |
| 58 | |
| 59 | private final Context mContext; |
| 60 | private final VpnCallback mCallback; |
| 61 | |
Chia-chi Yeh | c2b8aa0 | 2011-07-03 18:00:47 -0700 | [diff] [blame] | 62 | private String mPackage = VpnConfig.LEGACY_VPN; |
| 63 | private String mInterface; |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 64 | private LegacyVpnRunner mLegacyVpnRunner; |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 65 | |
| 66 | public Vpn(Context context, VpnCallback callback) { |
| 67 | mContext = context; |
| 68 | mCallback = callback; |
| 69 | } |
| 70 | |
| 71 | /** |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 72 | * Protect a socket from routing changes by binding it to the given |
Chia-chi Yeh | 5779c9c | 2011-07-14 16:19:19 -0700 | [diff] [blame] | 73 | * interface. The socket is NOT closed by this method. |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 74 | * |
| 75 | * @param socket The socket to be bound. |
| 76 | * @param name The name of the interface. |
| 77 | */ |
Chia-chi Yeh | c2b8aa0 | 2011-07-03 18:00:47 -0700 | [diff] [blame] | 78 | public void protect(ParcelFileDescriptor socket, String interfaze) { |
Chia-chi Yeh | 5779c9c | 2011-07-14 16:19:19 -0700 | [diff] [blame] | 79 | mContext.enforceCallingPermission(VPN, "protect"); |
| 80 | jniProtect(socket.getFd(), interfaze); |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 81 | } |
| 82 | |
| 83 | /** |
Chia-chi Yeh | 100155a | 2011-07-03 16:52:38 -0700 | [diff] [blame] | 84 | * Prepare for a VPN application. This method is designed to solve |
| 85 | * race conditions. It first compares the current prepared package |
| 86 | * with {@code oldPackage}. If they are the same, the prepared |
| 87 | * package is revoked and replaced with {@code newPackage}. If |
| 88 | * {@code oldPackage} is {@code null}, the comparison is omitted. |
| 89 | * If {@code newPackage} is the same package or {@code null}, the |
| 90 | * revocation is omitted. This method returns {@code true} if the |
| 91 | * operation is succeeded. |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 92 | * |
Chia-chi Yeh | 100155a | 2011-07-03 16:52:38 -0700 | [diff] [blame] | 93 | * Legacy VPN is handled specially since it is not a real package. |
| 94 | * It uses {@link VpnConfig#LEGACY_VPN} as its package name, and |
| 95 | * it can be revoked by itself. |
| 96 | * |
| 97 | * @param oldPackage The package name of the old VPN application. |
| 98 | * @param newPackage The package name of the new VPN application. |
| 99 | * @return true if the operation is succeeded. |
Chia-chi Yeh | e910790 | 2011-07-02 01:48:50 -0700 | [diff] [blame] | 100 | */ |
Chia-chi Yeh | 100155a | 2011-07-03 16:52:38 -0700 | [diff] [blame] | 101 | public synchronized boolean prepare(String oldPackage, String newPackage) { |
| 102 | // Return false if the package does not match. |
Chia-chi Yeh | c2b8aa0 | 2011-07-03 18:00:47 -0700 | [diff] [blame] | 103 | if (oldPackage != null && !oldPackage.equals(mPackage)) { |
Chia-chi Yeh | 100155a | 2011-07-03 16:52:38 -0700 | [diff] [blame] | 104 | return false; |
Chia-chi Yeh | e910790 | 2011-07-02 01:48:50 -0700 | [diff] [blame] | 105 | } |
| 106 | |
Chia-chi Yeh | 100155a | 2011-07-03 16:52:38 -0700 | [diff] [blame] | 107 | // Return true if we do not need to revoke. |
| 108 | if (newPackage == null || |
Chia-chi Yeh | c2b8aa0 | 2011-07-03 18:00:47 -0700 | [diff] [blame] | 109 | (newPackage.equals(mPackage) && !newPackage.equals(VpnConfig.LEGACY_VPN))) { |
Chia-chi Yeh | 100155a | 2011-07-03 16:52:38 -0700 | [diff] [blame] | 110 | return true; |
| 111 | } |
| 112 | |
| 113 | // Only system user can revoke a package. |
Chia-chi Yeh | e910790 | 2011-07-02 01:48:50 -0700 | [diff] [blame] | 114 | if (Binder.getCallingUid() != Process.SYSTEM_UID) { |
| 115 | throw new SecurityException("Unauthorized Caller"); |
| 116 | } |
| 117 | |
| 118 | // Check the permission of the given package. |
| 119 | PackageManager pm = mContext.getPackageManager(); |
Chia-chi Yeh | 100155a | 2011-07-03 16:52:38 -0700 | [diff] [blame] | 120 | if (!newPackage.equals(VpnConfig.LEGACY_VPN) && |
| 121 | pm.checkPermission(VPN, newPackage) != PackageManager.PERMISSION_GRANTED) { |
| 122 | throw new SecurityException(newPackage + " does not have " + VPN); |
Chia-chi Yeh | e910790 | 2011-07-02 01:48:50 -0700 | [diff] [blame] | 123 | } |
| 124 | |
| 125 | // Reset the interface and hide the notification. |
Chia-chi Yeh | c2b8aa0 | 2011-07-03 18:00:47 -0700 | [diff] [blame] | 126 | if (mInterface != null) { |
| 127 | jniReset(mInterface); |
Chia-chi Yeh | e910790 | 2011-07-02 01:48:50 -0700 | [diff] [blame] | 128 | mCallback.restore(); |
| 129 | hideNotification(); |
Chia-chi Yeh | c2b8aa0 | 2011-07-03 18:00:47 -0700 | [diff] [blame] | 130 | mInterface = null; |
Chia-chi Yeh | e910790 | 2011-07-02 01:48:50 -0700 | [diff] [blame] | 131 | } |
| 132 | |
| 133 | // Send out the broadcast or stop LegacyVpnRunner. |
Chia-chi Yeh | c2b8aa0 | 2011-07-03 18:00:47 -0700 | [diff] [blame] | 134 | if (!mPackage.equals(VpnConfig.LEGACY_VPN)) { |
Chia-chi Yeh | e910790 | 2011-07-02 01:48:50 -0700 | [diff] [blame] | 135 | Intent intent = new Intent(VpnConfig.ACTION_VPN_REVOKED); |
Chia-chi Yeh | c2b8aa0 | 2011-07-03 18:00:47 -0700 | [diff] [blame] | 136 | intent.setPackage(mPackage); |
Chia-chi Yeh | e910790 | 2011-07-02 01:48:50 -0700 | [diff] [blame] | 137 | intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); |
| 138 | mContext.sendBroadcast(intent); |
| 139 | } else if (mLegacyVpnRunner != null) { |
| 140 | mLegacyVpnRunner.exit(); |
| 141 | mLegacyVpnRunner = null; |
| 142 | } |
| 143 | |
Chia-chi Yeh | c2b8aa0 | 2011-07-03 18:00:47 -0700 | [diff] [blame] | 144 | Log.i(TAG, "Switched from " + mPackage + " to " + newPackage); |
| 145 | mPackage = newPackage; |
Chia-chi Yeh | 100155a | 2011-07-03 16:52:38 -0700 | [diff] [blame] | 146 | return true; |
Chia-chi Yeh | e910790 | 2011-07-02 01:48:50 -0700 | [diff] [blame] | 147 | } |
| 148 | |
| 149 | /** |
| 150 | * Establish a VPN network and return the file descriptor of the VPN |
| 151 | * interface. This methods returns {@code null} if the application is |
Chia-chi Yeh | 100155a | 2011-07-03 16:52:38 -0700 | [diff] [blame] | 152 | * revoked or not prepared. |
Chia-chi Yeh | e910790 | 2011-07-02 01:48:50 -0700 | [diff] [blame] | 153 | * |
| 154 | * @param config The parameters to configure the network. |
| 155 | * @return The file descriptor of the VPN interface. |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 156 | */ |
Chia-chi Yeh | 04ba25c | 2011-06-15 17:07:27 -0700 | [diff] [blame] | 157 | public synchronized ParcelFileDescriptor establish(VpnConfig config) { |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 158 | // Check the permission of the caller. |
| 159 | mContext.enforceCallingPermission(VPN, "establish"); |
| 160 | |
| 161 | // Check if the caller is already prepared. |
| 162 | PackageManager pm = mContext.getPackageManager(); |
| 163 | ApplicationInfo app = null; |
| 164 | try { |
Chia-chi Yeh | c2b8aa0 | 2011-07-03 18:00:47 -0700 | [diff] [blame] | 165 | app = pm.getApplicationInfo(mPackage, 0); |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 166 | } catch (Exception e) { |
Chia-chi Yeh | 7b0b834 | 2011-06-17 14:34:11 -0700 | [diff] [blame] | 167 | return null; |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 168 | } |
| 169 | if (Binder.getCallingUid() != app.uid) { |
Chia-chi Yeh | 7b0b834 | 2011-06-17 14:34:11 -0700 | [diff] [blame] | 170 | return null; |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 171 | } |
| 172 | |
Chia-chi Yeh | a4b87b5 | 2011-06-30 23:21:55 -0700 | [diff] [blame] | 173 | // Load the label. |
| 174 | String label = app.loadLabel(pm).toString(); |
| 175 | |
| 176 | // Load the icon and convert it into a bitmap. |
| 177 | Drawable icon = app.loadIcon(pm); |
| 178 | Bitmap bitmap = null; |
| 179 | if (icon.getIntrinsicWidth() > 0 && icon.getIntrinsicHeight() > 0) { |
| 180 | int width = mContext.getResources().getDimensionPixelSize( |
| 181 | android.R.dimen.notification_large_icon_width); |
| 182 | int height = mContext.getResources().getDimensionPixelSize( |
| 183 | android.R.dimen.notification_large_icon_height); |
| 184 | icon.setBounds(0, 0, width, height); |
| 185 | bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); |
| 186 | icon.draw(new Canvas(bitmap)); |
| 187 | } |
| 188 | |
Chia-chi Yeh | e910790 | 2011-07-02 01:48:50 -0700 | [diff] [blame] | 189 | // Configure the interface. Abort if any of these steps fails. |
Chia-chi Yeh | 97a6156 | 2011-07-14 15:05:05 -0700 | [diff] [blame] | 190 | ParcelFileDescriptor tun = ParcelFileDescriptor.adoptFd(jniCreate(config.mtu)); |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 191 | try { |
Chia-chi Yeh | c2b8aa0 | 2011-07-03 18:00:47 -0700 | [diff] [blame] | 192 | String interfaze = jniGetName(tun.getFd()); |
Chia-chi Yeh | 97a6156 | 2011-07-14 15:05:05 -0700 | [diff] [blame] | 193 | if (jniSetAddresses(interfaze, config.addresses) < 1) { |
| 194 | throw new IllegalArgumentException("At least one address must be specified"); |
| 195 | } |
| 196 | if (config.routes != null) { |
| 197 | jniSetRoutes(interfaze, config.routes); |
| 198 | } |
Chia-chi Yeh | c2b8aa0 | 2011-07-03 18:00:47 -0700 | [diff] [blame] | 199 | if (mInterface != null && !mInterface.equals(interfaze)) { |
| 200 | jniReset(mInterface); |
Chia-chi Yeh | f4e3bf8 | 2011-06-30 12:33:17 -0700 | [diff] [blame] | 201 | } |
Chia-chi Yeh | c2b8aa0 | 2011-07-03 18:00:47 -0700 | [diff] [blame] | 202 | mInterface = interfaze; |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 203 | } catch (RuntimeException e) { |
| 204 | try { |
Chia-chi Yeh | c2b8aa0 | 2011-07-03 18:00:47 -0700 | [diff] [blame] | 205 | tun.close(); |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 206 | } catch (Exception ex) { |
| 207 | // ignore |
| 208 | } |
| 209 | throw e; |
| 210 | } |
| 211 | |
Chia-chi Yeh | 8909b10 | 2011-07-01 01:09:42 -0700 | [diff] [blame] | 212 | // Override DNS servers and search domains. |
| 213 | mCallback.override(config.dnsServers, config.searchDomains); |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 214 | |
Chia-chi Yeh | 8909b10 | 2011-07-01 01:09:42 -0700 | [diff] [blame] | 215 | // Fill more values. |
Chia-chi Yeh | c2b8aa0 | 2011-07-03 18:00:47 -0700 | [diff] [blame] | 216 | config.packagz = mPackage; |
| 217 | config.interfaze = mInterface; |
Chia-chi Yeh | 8909b10 | 2011-07-01 01:09:42 -0700 | [diff] [blame] | 218 | |
| 219 | // Show the notification! |
Chia-chi Yeh | 383e052 | 2011-07-01 00:13:25 -0700 | [diff] [blame] | 220 | showNotification(config, label, bitmap); |
Chia-chi Yeh | c2b8aa0 | 2011-07-03 18:00:47 -0700 | [diff] [blame] | 221 | return tun; |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 222 | } |
| 223 | |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 224 | // INetworkManagementEventObserver.Stub |
Chia-chi Yeh | c2b8aa0 | 2011-07-03 18:00:47 -0700 | [diff] [blame] | 225 | public void interfaceAdded(String interfaze) { |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 226 | } |
| 227 | |
| 228 | // INetworkManagementEventObserver.Stub |
Chia-chi Yeh | aa1727f | 2011-07-14 18:55:33 -0700 | [diff] [blame^] | 229 | public synchronized void interfaceStatusChanged(String interfaze, boolean up) { |
| 230 | if (!up && mLegacyVpnRunner != null) { |
| 231 | mLegacyVpnRunner.check(interfaze); |
| 232 | } |
| 233 | } |
| 234 | |
| 235 | // INetworkManagementEventObserver.Stub |
| 236 | public synchronized void interfaceLinkStateChanged(String interfaze, boolean up) { |
| 237 | if (!up && mLegacyVpnRunner != null) { |
| 238 | mLegacyVpnRunner.check(interfaze); |
| 239 | } |
| 240 | } |
| 241 | |
| 242 | // INetworkManagementEventObserver.Stub |
Chia-chi Yeh | c2b8aa0 | 2011-07-03 18:00:47 -0700 | [diff] [blame] | 243 | public synchronized void interfaceRemoved(String interfaze) { |
| 244 | if (interfaze.equals(mInterface) && jniCheck(interfaze) == 0) { |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 245 | mCallback.restore(); |
Chia-chi Yeh | e910790 | 2011-07-02 01:48:50 -0700 | [diff] [blame] | 246 | hideNotification(); |
Chia-chi Yeh | c2b8aa0 | 2011-07-03 18:00:47 -0700 | [diff] [blame] | 247 | mInterface = null; |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 248 | } |
| 249 | } |
| 250 | |
Chia-chi Yeh | a4b87b5 | 2011-06-30 23:21:55 -0700 | [diff] [blame] | 251 | private void showNotification(VpnConfig config, String label, Bitmap icon) { |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 252 | NotificationManager nm = (NotificationManager) |
| 253 | mContext.getSystemService(Context.NOTIFICATION_SERVICE); |
| 254 | |
| 255 | if (nm != null) { |
Chia-chi Yeh | a4b87b5 | 2011-06-30 23:21:55 -0700 | [diff] [blame] | 256 | String title = (label == null) ? mContext.getString(R.string.vpn_title) : |
| 257 | mContext.getString(R.string.vpn_title_long, label); |
Chia-chi Yeh | 34e7813 | 2011-07-03 03:07:07 -0700 | [diff] [blame] | 258 | String text = (config.session == null) ? mContext.getString(R.string.vpn_text) : |
| 259 | mContext.getString(R.string.vpn_text_long, config.session); |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 260 | config.startTime = SystemClock.elapsedRealtime(); |
Chia-chi Yeh | a4b87b5 | 2011-06-30 23:21:55 -0700 | [diff] [blame] | 261 | |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 262 | long identity = Binder.clearCallingIdentity(); |
| 263 | Notification notification = new Notification.Builder(mContext) |
| 264 | .setSmallIcon(R.drawable.vpn_connected) |
Chia-chi Yeh | a4b87b5 | 2011-06-30 23:21:55 -0700 | [diff] [blame] | 265 | .setLargeIcon(icon) |
| 266 | .setContentTitle(title) |
Chia-chi Yeh | f8905fd | 2011-06-14 16:35:02 -0700 | [diff] [blame] | 267 | .setContentText(text) |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 268 | .setContentIntent(VpnConfig.getIntentForStatusPanel(mContext, config)) |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 269 | .setDefaults(Notification.DEFAULT_ALL) |
| 270 | .setOngoing(true) |
| 271 | .getNotification(); |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 272 | nm.notify(R.drawable.vpn_connected, notification); |
| 273 | Binder.restoreCallingIdentity(identity); |
| 274 | } |
| 275 | } |
| 276 | |
| 277 | private void hideNotification() { |
| 278 | NotificationManager nm = (NotificationManager) |
| 279 | mContext.getSystemService(Context.NOTIFICATION_SERVICE); |
| 280 | |
| 281 | if (nm != null) { |
| 282 | long identity = Binder.clearCallingIdentity(); |
| 283 | nm.cancel(R.drawable.vpn_connected); |
| 284 | Binder.restoreCallingIdentity(identity); |
| 285 | } |
| 286 | } |
| 287 | |
Chia-chi Yeh | 97a6156 | 2011-07-14 15:05:05 -0700 | [diff] [blame] | 288 | private native int jniCreate(int mtu); |
Chia-chi Yeh | c2b8aa0 | 2011-07-03 18:00:47 -0700 | [diff] [blame] | 289 | private native String jniGetName(int tun); |
Chia-chi Yeh | 97a6156 | 2011-07-14 15:05:05 -0700 | [diff] [blame] | 290 | private native int jniSetAddresses(String interfaze, String addresses); |
| 291 | private native int jniSetRoutes(String interfaze, String routes); |
Chia-chi Yeh | c2b8aa0 | 2011-07-03 18:00:47 -0700 | [diff] [blame] | 292 | private native void jniReset(String interfaze); |
| 293 | private native int jniCheck(String interfaze); |
| 294 | private native void jniProtect(int socket, String interfaze); |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 295 | |
| 296 | /** |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 297 | * Start legacy VPN. This method stops the daemons and restart them |
| 298 | * if arguments are not null. Heavy things are offloaded to another |
Chia-chi Yeh | e910790 | 2011-07-02 01:48:50 -0700 | [diff] [blame] | 299 | * thread, so callers will not be blocked for a long time. |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 300 | * |
Chia-chi Yeh | e910790 | 2011-07-02 01:48:50 -0700 | [diff] [blame] | 301 | * @param config The parameters to configure the network. |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 302 | * @param raoocn The arguments to be passed to racoon. |
| 303 | * @param mtpd The arguments to be passed to mtpd. |
| 304 | */ |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 305 | public synchronized void startLegacyVpn(VpnConfig config, String[] racoon, String[] mtpd) { |
Chia-chi Yeh | 100155a | 2011-07-03 16:52:38 -0700 | [diff] [blame] | 306 | // Prepare for the new request. This also checks the caller. |
| 307 | prepare(null, VpnConfig.LEGACY_VPN); |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 308 | |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 309 | // Start a new LegacyVpnRunner and we are done! |
Chia-chi Yeh | 100155a | 2011-07-03 16:52:38 -0700 | [diff] [blame] | 310 | mLegacyVpnRunner = new LegacyVpnRunner(config, racoon, mtpd); |
| 311 | mLegacyVpnRunner.start(); |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 312 | } |
| 313 | |
| 314 | /** |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 315 | * Return the information of the current ongoing legacy VPN. |
| 316 | */ |
| 317 | public synchronized LegacyVpnInfo getLegacyVpnInfo() { |
| 318 | // Only system user can call this method. |
| 319 | if (Binder.getCallingUid() != Process.SYSTEM_UID) { |
| 320 | throw new SecurityException("Unauthorized Caller"); |
| 321 | } |
| 322 | return (mLegacyVpnRunner == null) ? null : mLegacyVpnRunner.getInfo(); |
| 323 | } |
| 324 | |
| 325 | /** |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 326 | * Bringing up a VPN connection takes time, and that is all this thread |
| 327 | * does. Here we have plenty of time. The only thing we need to take |
| 328 | * care of is responding to interruptions as soon as possible. Otherwise |
| 329 | * requests will be piled up. This can be done in a Handler as a state |
| 330 | * machine, but it is much easier to read in the current form. |
| 331 | */ |
| 332 | private class LegacyVpnRunner extends Thread { |
| 333 | private static final String TAG = "LegacyVpnRunner"; |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 334 | |
Chia-chi Yeh | 41d1685 | 2011-07-01 02:12:06 -0700 | [diff] [blame] | 335 | private final VpnConfig mConfig; |
Chia-chi Yeh | 1f7746b | 2011-07-01 00:29:06 -0700 | [diff] [blame] | 336 | private final String[] mDaemons; |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 337 | private final String[][] mArguments; |
Chia-chi Yeh | aa1727f | 2011-07-14 18:55:33 -0700 | [diff] [blame^] | 338 | private final String mOuterInterface; |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 339 | private final LegacyVpnInfo mInfo; |
| 340 | |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 341 | private long mTimer = -1; |
| 342 | |
Chia-chi Yeh | 41d1685 | 2011-07-01 02:12:06 -0700 | [diff] [blame] | 343 | public LegacyVpnRunner(VpnConfig config, String[] racoon, String[] mtpd) { |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 344 | super(TAG); |
Chia-chi Yeh | 41d1685 | 2011-07-01 02:12:06 -0700 | [diff] [blame] | 345 | mConfig = config; |
| 346 | mDaemons = new String[] {"racoon", "mtpd"}; |
| 347 | mArguments = new String[][] {racoon, mtpd}; |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 348 | mInfo = new LegacyVpnInfo(); |
Chia-chi Yeh | e910790 | 2011-07-02 01:48:50 -0700 | [diff] [blame] | 349 | |
Chia-chi Yeh | aa1727f | 2011-07-14 18:55:33 -0700 | [diff] [blame^] | 350 | // This is the interface which VPN is running on. |
| 351 | mOuterInterface = mConfig.interfaze; |
| 352 | |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 353 | // Legacy VPN is not a real package, so we use it to carry the key. |
| 354 | mInfo.key = mConfig.packagz; |
Chia-chi Yeh | 34e7813 | 2011-07-03 03:07:07 -0700 | [diff] [blame] | 355 | mConfig.packagz = VpnConfig.LEGACY_VPN; |
Chia-chi Yeh | 41d1685 | 2011-07-01 02:12:06 -0700 | [diff] [blame] | 356 | } |
| 357 | |
Chia-chi Yeh | aa1727f | 2011-07-14 18:55:33 -0700 | [diff] [blame^] | 358 | public void check(String interfaze) { |
| 359 | if (interfaze.equals(mOuterInterface)) { |
| 360 | Log.i(TAG, "Legacy VPN is going down with " + interfaze); |
| 361 | exit(); |
| 362 | } |
| 363 | } |
| 364 | |
Chia-chi Yeh | 41d1685 | 2011-07-01 02:12:06 -0700 | [diff] [blame] | 365 | public void exit() { |
Chia-chi Yeh | e910790 | 2011-07-02 01:48:50 -0700 | [diff] [blame] | 366 | // We assume that everything is reset after the daemons die. |
Chia-chi Yeh | 97a6156 | 2011-07-14 15:05:05 -0700 | [diff] [blame] | 367 | interrupt(); |
Chia-chi Yeh | 41d1685 | 2011-07-01 02:12:06 -0700 | [diff] [blame] | 368 | for (String daemon : mDaemons) { |
| 369 | SystemProperties.set("ctl.stop", daemon); |
| 370 | } |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 371 | } |
| 372 | |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 373 | public LegacyVpnInfo getInfo() { |
| 374 | // Update the info when VPN is disconnected. |
| 375 | if (mInfo.state == LegacyVpnInfo.STATE_CONNECTED && mInterface == null) { |
| 376 | mInfo.state = LegacyVpnInfo.STATE_DISCONNECTED; |
| 377 | mInfo.intent = null; |
| 378 | } |
| 379 | return mInfo; |
| 380 | } |
| 381 | |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 382 | @Override |
| 383 | public void run() { |
| 384 | // Wait for the previous thread since it has been interrupted. |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 385 | Log.v(TAG, "Waiting"); |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 386 | synchronized (TAG) { |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 387 | Log.v(TAG, "Executing"); |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 388 | execute(); |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 389 | } |
| 390 | } |
| 391 | |
| 392 | private void checkpoint(boolean yield) throws InterruptedException { |
| 393 | long now = SystemClock.elapsedRealtime(); |
| 394 | if (mTimer == -1) { |
| 395 | mTimer = now; |
| 396 | Thread.sleep(1); |
| 397 | } else if (now - mTimer <= 30000) { |
| 398 | Thread.sleep(yield ? 200 : 1); |
| 399 | } else { |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 400 | mInfo.state = LegacyVpnInfo.STATE_TIMEOUT; |
Chia-chi Yeh | 97a6156 | 2011-07-14 15:05:05 -0700 | [diff] [blame] | 401 | throw new IllegalStateException("Time is up"); |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 402 | } |
| 403 | } |
| 404 | |
| 405 | private void execute() { |
| 406 | // Catch all exceptions so we can clean up few things. |
| 407 | try { |
| 408 | // Initialize the timer. |
| 409 | checkpoint(false); |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 410 | mInfo.state = LegacyVpnInfo.STATE_INITIALIZING; |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 411 | |
Chia-chi Yeh | 1f7746b | 2011-07-01 00:29:06 -0700 | [diff] [blame] | 412 | // First stop the daemons. |
| 413 | for (String daemon : mDaemons) { |
| 414 | SystemProperties.set("ctl.stop", daemon); |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 415 | } |
| 416 | |
Chia-chi Yeh | 1f7746b | 2011-07-01 00:29:06 -0700 | [diff] [blame] | 417 | // Wait for the daemons to stop. |
| 418 | for (String daemon : mDaemons) { |
| 419 | String key = "init.svc." + daemon; |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 420 | while (!"stopped".equals(SystemProperties.get(key))) { |
| 421 | checkpoint(true); |
| 422 | } |
| 423 | } |
| 424 | |
Chia-chi Yeh | 97a6156 | 2011-07-14 15:05:05 -0700 | [diff] [blame] | 425 | // Clear the previous state. |
| 426 | File state = new File("/data/misc/vpn/state"); |
| 427 | state.delete(); |
| 428 | if (state.exists()) { |
| 429 | throw new IllegalStateException("Cannot delete the state"); |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 430 | } |
| 431 | |
Chia-chi Yeh | e910790 | 2011-07-02 01:48:50 -0700 | [diff] [blame] | 432 | // Check if we need to restart any of the daemons. |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 433 | boolean restart = false; |
| 434 | for (String[] arguments : mArguments) { |
| 435 | restart = restart || (arguments != null); |
| 436 | } |
| 437 | if (!restart) { |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 438 | mInfo.state = LegacyVpnInfo.STATE_DISCONNECTED; |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 439 | return; |
| 440 | } |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 441 | mInfo.state = LegacyVpnInfo.STATE_CONNECTING; |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 442 | |
Chia-chi Yeh | 1f7746b | 2011-07-01 00:29:06 -0700 | [diff] [blame] | 443 | // Start the daemon with arguments. |
| 444 | for (int i = 0; i < mDaemons.length; ++i) { |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 445 | String[] arguments = mArguments[i]; |
| 446 | if (arguments == null) { |
| 447 | continue; |
| 448 | } |
| 449 | |
Chia-chi Yeh | 1f7746b | 2011-07-01 00:29:06 -0700 | [diff] [blame] | 450 | // Start the daemon. |
| 451 | String daemon = mDaemons[i]; |
| 452 | SystemProperties.set("ctl.start", daemon); |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 453 | |
Chia-chi Yeh | 1f7746b | 2011-07-01 00:29:06 -0700 | [diff] [blame] | 454 | // Wait for the daemon to start. |
| 455 | String key = "init.svc." + daemon; |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 456 | while (!"running".equals(SystemProperties.get(key))) { |
| 457 | checkpoint(true); |
| 458 | } |
| 459 | |
| 460 | // Create the control socket. |
| 461 | LocalSocket socket = new LocalSocket(); |
| 462 | LocalSocketAddress address = new LocalSocketAddress( |
Chia-chi Yeh | 1f7746b | 2011-07-01 00:29:06 -0700 | [diff] [blame] | 463 | daemon, LocalSocketAddress.Namespace.RESERVED); |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 464 | |
| 465 | // Wait for the socket to connect. |
| 466 | while (true) { |
| 467 | try { |
| 468 | socket.connect(address); |
| 469 | break; |
| 470 | } catch (Exception e) { |
| 471 | // ignore |
| 472 | } |
| 473 | checkpoint(true); |
| 474 | } |
| 475 | socket.setSoTimeout(500); |
| 476 | |
| 477 | // Send over the arguments. |
Chia-chi Yeh | 1f7746b | 2011-07-01 00:29:06 -0700 | [diff] [blame] | 478 | OutputStream out = socket.getOutputStream(); |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 479 | for (String argument : arguments) { |
| 480 | byte[] bytes = argument.getBytes(Charsets.UTF_8); |
Chia-chi Yeh | 97a6156 | 2011-07-14 15:05:05 -0700 | [diff] [blame] | 481 | if (bytes.length > 0xFFFF) { |
| 482 | throw new IllegalArgumentException("Argument is too large"); |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 483 | } |
Chia-chi Yeh | 1f7746b | 2011-07-01 00:29:06 -0700 | [diff] [blame] | 484 | out.write(bytes.length >> 8); |
| 485 | out.write(bytes.length); |
| 486 | out.write(bytes); |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 487 | checkpoint(false); |
| 488 | } |
Chia-chi Yeh | 1f7746b | 2011-07-01 00:29:06 -0700 | [diff] [blame] | 489 | out.flush(); |
Chia-chi Yeh | 97a6156 | 2011-07-14 15:05:05 -0700 | [diff] [blame] | 490 | socket.shutdownOutput(); |
| 491 | |
| 492 | // Wait for End-of-File. |
| 493 | InputStream in = socket.getInputStream(); |
| 494 | while (true) { |
| 495 | try { |
| 496 | if (in.read() == -1) { |
| 497 | break; |
| 498 | } |
| 499 | } catch (Exception e) { |
| 500 | // ignore |
| 501 | } |
| 502 | checkpoint(true); |
| 503 | } |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 504 | socket.close(); |
| 505 | } |
| 506 | |
Chia-chi Yeh | 97a6156 | 2011-07-14 15:05:05 -0700 | [diff] [blame] | 507 | // Wait for the daemons to create the new state. |
| 508 | while (!state.exists()) { |
Chia-chi Yeh | 1f7746b | 2011-07-01 00:29:06 -0700 | [diff] [blame] | 509 | // Check if a running daemon is dead. |
| 510 | for (int i = 0; i < mDaemons.length; ++i) { |
| 511 | String daemon = mDaemons[i]; |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 512 | if (mArguments[i] != null && !"running".equals( |
Chia-chi Yeh | 1f7746b | 2011-07-01 00:29:06 -0700 | [diff] [blame] | 513 | SystemProperties.get("init.svc." + daemon))) { |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 514 | throw new IllegalStateException(daemon + " is dead"); |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 515 | } |
| 516 | } |
| 517 | checkpoint(true); |
| 518 | } |
| 519 | |
Chia-chi Yeh | 97a6156 | 2011-07-14 15:05:05 -0700 | [diff] [blame] | 520 | // Now we are connected. Read and parse the new state. |
| 521 | byte[] buffer = new byte[(int) state.length()]; |
| 522 | if (new FileInputStream(state).read(buffer) != buffer.length) { |
| 523 | throw new IllegalStateException("Cannot read the state"); |
| 524 | } |
| 525 | String[] parameters = new String(buffer, Charsets.UTF_8).split("\n", -1); |
| 526 | if (parameters.length != 6) { |
| 527 | throw new IllegalStateException("Cannot parse the state"); |
| 528 | } |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 529 | |
Chia-chi Yeh | 97a6156 | 2011-07-14 15:05:05 -0700 | [diff] [blame] | 530 | // Set the interface and the addresses in the config. |
| 531 | mConfig.interfaze = parameters[0].trim(); |
| 532 | mConfig.addresses = parameters[1].trim(); |
| 533 | |
| 534 | // Set the routes if they are not set in the config. |
| 535 | if (mConfig.routes == null || mConfig.routes.isEmpty()) { |
| 536 | mConfig.routes = parameters[2].trim(); |
| 537 | } |
| 538 | |
| 539 | // Set the DNS servers if they are not set in the config. |
Chia-chi Yeh | 41d1685 | 2011-07-01 02:12:06 -0700 | [diff] [blame] | 540 | if (mConfig.dnsServers == null || mConfig.dnsServers.size() == 0) { |
Chia-chi Yeh | 97a6156 | 2011-07-14 15:05:05 -0700 | [diff] [blame] | 541 | String dnsServers = parameters[3].trim(); |
Chia-chi Yeh | 41d1685 | 2011-07-01 02:12:06 -0700 | [diff] [blame] | 542 | if (!dnsServers.isEmpty()) { |
| 543 | mConfig.dnsServers = Arrays.asList(dnsServers.split(" ")); |
| 544 | } |
| 545 | } |
| 546 | |
Chia-chi Yeh | 97a6156 | 2011-07-14 15:05:05 -0700 | [diff] [blame] | 547 | // Set the search domains if they are not set in the config. |
| 548 | if (mConfig.searchDomains == null || mConfig.searchDomains.size() == 0) { |
| 549 | String searchDomains = parameters[4].trim(); |
| 550 | if (!searchDomains.isEmpty()) { |
| 551 | mConfig.searchDomains = Arrays.asList(searchDomains.split(" ")); |
| 552 | } |
| 553 | } |
Chia-chi Yeh | e910790 | 2011-07-02 01:48:50 -0700 | [diff] [blame] | 554 | |
Chia-chi Yeh | 97a6156 | 2011-07-14 15:05:05 -0700 | [diff] [blame] | 555 | // Set the routes. |
| 556 | jniSetRoutes(mConfig.interfaze, mConfig.routes); |
| 557 | |
| 558 | // Here is the last step and it must be done synchronously. |
Chia-chi Yeh | 41d1685 | 2011-07-01 02:12:06 -0700 | [diff] [blame] | 559 | synchronized (Vpn.this) { |
| 560 | // Check if the thread is interrupted while we are waiting. |
| 561 | checkpoint(false); |
| 562 | |
Chia-chi Yeh | e910790 | 2011-07-02 01:48:50 -0700 | [diff] [blame] | 563 | // Check if the interface is gone while we are waiting. |
Chia-chi Yeh | c2b8aa0 | 2011-07-03 18:00:47 -0700 | [diff] [blame] | 564 | if (jniCheck(mConfig.interfaze) == 0) { |
Chia-chi Yeh | 34e7813 | 2011-07-03 03:07:07 -0700 | [diff] [blame] | 565 | throw new IllegalStateException(mConfig.interfaze + " is gone"); |
Chia-chi Yeh | 41d1685 | 2011-07-01 02:12:06 -0700 | [diff] [blame] | 566 | } |
Chia-chi Yeh | e910790 | 2011-07-02 01:48:50 -0700 | [diff] [blame] | 567 | |
| 568 | // Now INetworkManagementEventObserver is watching our back. |
Chia-chi Yeh | c2b8aa0 | 2011-07-03 18:00:47 -0700 | [diff] [blame] | 569 | mInterface = mConfig.interfaze; |
Chia-chi Yeh | 41d1685 | 2011-07-01 02:12:06 -0700 | [diff] [blame] | 570 | mCallback.override(mConfig.dnsServers, mConfig.searchDomains); |
| 571 | showNotification(mConfig, null, null); |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 572 | |
| 573 | Log.i(TAG, "Connected!"); |
| 574 | mInfo.state = LegacyVpnInfo.STATE_CONNECTED; |
| 575 | mInfo.intent = VpnConfig.getIntentForStatusPanel(mContext, null); |
Chia-chi Yeh | 41d1685 | 2011-07-01 02:12:06 -0700 | [diff] [blame] | 576 | } |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 577 | } catch (Exception e) { |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 578 | Log.i(TAG, "Aborting", e); |
Chia-chi Yeh | e910790 | 2011-07-02 01:48:50 -0700 | [diff] [blame] | 579 | exit(); |
Chia-chi Yeh | 2e46764 | 2011-07-04 03:23:12 -0700 | [diff] [blame] | 580 | } finally { |
| 581 | // Do not leave an unstable state. |
| 582 | if (mInfo.state == LegacyVpnInfo.STATE_INITIALIZING || |
| 583 | mInfo.state == LegacyVpnInfo.STATE_CONNECTING) { |
| 584 | mInfo.state = LegacyVpnInfo.STATE_FAILED; |
| 585 | } |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame] | 586 | } |
| 587 | } |
| 588 | } |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 589 | } |