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 | 04ba25c | 2011-06-15 17:07:27 -0700 | [diff] [blame] | 40 | import com.android.internal.net.VpnConfig; |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 41 | import com.android.server.ConnectivityService.VpnCallback; |
| 42 | |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame^] | 43 | import java.io.InputStream; |
| 44 | import java.io.OutputStream; |
| 45 | import java.nio.charset.Charsets; |
| 46 | |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 47 | /** |
| 48 | * @hide |
| 49 | */ |
| 50 | public class Vpn extends INetworkManagementEventObserver.Stub { |
| 51 | |
| 52 | private final static String TAG = "Vpn"; |
| 53 | private final static String VPN = android.Manifest.permission.VPN; |
| 54 | |
| 55 | private final Context mContext; |
| 56 | private final VpnCallback mCallback; |
| 57 | |
| 58 | private String mPackageName; |
| 59 | private String mInterfaceName; |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame^] | 60 | |
| 61 | private LegacyVpnRunner mLegacyVpnRunner; |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 62 | |
| 63 | public Vpn(Context context, VpnCallback callback) { |
| 64 | mContext = context; |
| 65 | mCallback = callback; |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * Prepare for a VPN application. |
| 70 | * |
| 71 | * @param packageName The package name of the new VPN application. |
| 72 | * @return The name of the current prepared package. |
| 73 | */ |
| 74 | public synchronized String prepare(String packageName) { |
Chia-chi Yeh | 7b0b834 | 2011-06-17 14:34:11 -0700 | [diff] [blame] | 75 | // Return the current prepared package if the new one is null. |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 76 | if (packageName == null) { |
| 77 | return mPackageName; |
| 78 | } |
| 79 | |
Chia-chi Yeh | 7b0b834 | 2011-06-17 14:34:11 -0700 | [diff] [blame] | 80 | // Check the permission of the caller. |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 81 | PackageManager pm = mContext.getPackageManager(); |
Chia-chi Yeh | 7b0b834 | 2011-06-17 14:34:11 -0700 | [diff] [blame] | 82 | VpnConfig.enforceCallingPackage(pm.getNameForUid(Binder.getCallingUid())); |
| 83 | |
| 84 | // Check the permission of the given package. |
| 85 | if (packageName.isEmpty()) { |
| 86 | packageName = null; |
| 87 | } else if (pm.checkPermission(VPN, packageName) != PackageManager.PERMISSION_GRANTED) { |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 88 | throw new SecurityException(packageName + " does not have " + VPN); |
| 89 | } |
| 90 | |
| 91 | // Reset the interface and hide the notification. |
| 92 | if (mInterfaceName != null) { |
| 93 | nativeReset(mInterfaceName); |
Chia-chi Yeh | 7b0b834 | 2011-06-17 14:34:11 -0700 | [diff] [blame] | 94 | mCallback.restore(); |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 95 | hideNotification(); |
Chia-chi Yeh | 7b0b834 | 2011-06-17 14:34:11 -0700 | [diff] [blame] | 96 | mInterfaceName = null; |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 97 | } |
| 98 | |
Chia-chi Yeh | 7b0b834 | 2011-06-17 14:34:11 -0700 | [diff] [blame] | 99 | // Notify the package being revoked. |
| 100 | if (mPackageName != null) { |
| 101 | Intent intent = new Intent(VpnConfig.ACTION_VPN_REVOKED); |
| 102 | intent.setPackage(mPackageName); |
| 103 | intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); |
| 104 | mContext.sendBroadcast(intent); |
| 105 | } |
| 106 | |
| 107 | Log.i(TAG, "Switched from " + mPackageName + " to " + packageName); |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 108 | mPackageName = packageName; |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 109 | return mPackageName; |
| 110 | } |
| 111 | |
| 112 | /** |
| 113 | * Protect a socket from routing changes by binding it to the given |
Chia-chi Yeh | 3f3337a | 2011-06-17 16:34:32 -0700 | [diff] [blame] | 114 | * interface. The socket IS closed by this method. |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 115 | * |
| 116 | * @param socket The socket to be bound. |
| 117 | * @param name The name of the interface. |
| 118 | */ |
| 119 | public void protect(ParcelFileDescriptor socket, String name) { |
Chia-chi Yeh | 3f3337a | 2011-06-17 16:34:32 -0700 | [diff] [blame] | 120 | try { |
| 121 | mContext.enforceCallingPermission(VPN, "protect"); |
| 122 | nativeProtect(socket.getFd(), name); |
| 123 | } finally { |
| 124 | try { |
| 125 | socket.close(); |
| 126 | } catch (Exception e) { |
| 127 | // ignore |
| 128 | } |
| 129 | } |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 130 | } |
| 131 | |
| 132 | /** |
| 133 | * Configure a TUN interface and return its file descriptor. |
| 134 | * |
| 135 | * @param configuration The parameters to configure the interface. |
| 136 | * @return The file descriptor of the interface. |
| 137 | */ |
Chia-chi Yeh | 04ba25c | 2011-06-15 17:07:27 -0700 | [diff] [blame] | 138 | public synchronized ParcelFileDescriptor establish(VpnConfig config) { |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 139 | // Check the permission of the caller. |
| 140 | mContext.enforceCallingPermission(VPN, "establish"); |
| 141 | |
| 142 | // Check if the caller is already prepared. |
| 143 | PackageManager pm = mContext.getPackageManager(); |
| 144 | ApplicationInfo app = null; |
| 145 | try { |
| 146 | app = pm.getApplicationInfo(mPackageName, 0); |
| 147 | } catch (Exception e) { |
Chia-chi Yeh | 7b0b834 | 2011-06-17 14:34:11 -0700 | [diff] [blame] | 148 | return null; |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 149 | } |
| 150 | if (Binder.getCallingUid() != app.uid) { |
Chia-chi Yeh | 7b0b834 | 2011-06-17 14:34:11 -0700 | [diff] [blame] | 151 | return null; |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 152 | } |
| 153 | |
Chia-chi Yeh | 3667369 | 2011-06-13 14:24:13 -0700 | [diff] [blame] | 154 | // Create and configure the interface. |
Chia-chi Yeh | 04ba25c | 2011-06-15 17:07:27 -0700 | [diff] [blame] | 155 | ParcelFileDescriptor descriptor = ParcelFileDescriptor.adoptFd( |
| 156 | nativeEstablish(config.mtu, config.addresses, config.routes)); |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 157 | |
| 158 | // Replace the interface and abort if it fails. |
| 159 | try { |
| 160 | String interfaceName = nativeGetName(descriptor.getFd()); |
| 161 | |
| 162 | if (mInterfaceName != null && !mInterfaceName.equals(interfaceName)) { |
| 163 | nativeReset(mInterfaceName); |
| 164 | } |
| 165 | mInterfaceName = interfaceName; |
| 166 | } catch (RuntimeException e) { |
| 167 | try { |
| 168 | descriptor.close(); |
| 169 | } catch (Exception ex) { |
| 170 | // ignore |
| 171 | } |
| 172 | throw e; |
| 173 | } |
| 174 | |
Chia-chi Yeh | 04ba25c | 2011-06-15 17:07:27 -0700 | [diff] [blame] | 175 | String dnsServers = (config.dnsServers == null) ? "" : config.dnsServers.trim(); |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 176 | mCallback.override(dnsServers.isEmpty() ? null : dnsServers.split(" ")); |
| 177 | |
Chia-chi Yeh | 7b0b834 | 2011-06-17 14:34:11 -0700 | [diff] [blame] | 178 | config.packageName = mPackageName; |
| 179 | config.interfaceName = mInterfaceName; |
| 180 | showNotification(pm, app, config); |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 181 | return descriptor; |
| 182 | } |
| 183 | |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 184 | // INetworkManagementEventObserver.Stub |
Mike J. Chen | f59c7d0 | 2011-06-23 15:33:15 -0700 | [diff] [blame] | 185 | public void interfaceStatusChanged(String name, boolean up) { |
| 186 | } |
| 187 | |
| 188 | // INetworkManagementEventObserver.Stub |
| 189 | public void interfaceLinkStateChanged(String name, boolean up) { |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 190 | } |
| 191 | |
| 192 | // INetworkManagementEventObserver.Stub |
| 193 | public void interfaceAdded(String name) { |
| 194 | } |
| 195 | |
| 196 | // INetworkManagementEventObserver.Stub |
| 197 | public synchronized void interfaceRemoved(String name) { |
| 198 | if (name.equals(mInterfaceName) && nativeCheck(name) == 0) { |
| 199 | hideNotification(); |
| 200 | mInterfaceName = null; |
| 201 | mCallback.restore(); |
| 202 | } |
| 203 | } |
| 204 | |
Chia-chi Yeh | 7b0b834 | 2011-06-17 14:34:11 -0700 | [diff] [blame] | 205 | private void showNotification(PackageManager pm, ApplicationInfo app, VpnConfig config) { |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 206 | NotificationManager nm = (NotificationManager) |
| 207 | mContext.getSystemService(Context.NOTIFICATION_SERVICE); |
| 208 | |
| 209 | if (nm != null) { |
| 210 | // Load the icon and convert it into a bitmap. |
| 211 | Drawable icon = app.loadIcon(pm); |
| 212 | Bitmap bitmap = null; |
| 213 | if (icon.getIntrinsicWidth() > 0 && icon.getIntrinsicHeight() > 0) { |
| 214 | int width = mContext.getResources().getDimensionPixelSize( |
| 215 | android.R.dimen.notification_large_icon_width); |
| 216 | int height = mContext.getResources().getDimensionPixelSize( |
| 217 | android.R.dimen.notification_large_icon_height); |
| 218 | icon.setBounds(0, 0, width, height); |
| 219 | bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); |
| 220 | icon.draw(new Canvas(bitmap)); |
| 221 | } |
| 222 | |
| 223 | // Load the label. |
| 224 | String label = app.loadLabel(pm).toString(); |
| 225 | |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 226 | // Build the notification. |
Chia-chi Yeh | 7b0b834 | 2011-06-17 14:34:11 -0700 | [diff] [blame] | 227 | String text = (config.sessionName == null) ? mContext.getString(R.string.vpn_text) : |
| 228 | mContext.getString(R.string.vpn_text_long, config.sessionName); |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 229 | long identity = Binder.clearCallingIdentity(); |
| 230 | Notification notification = new Notification.Builder(mContext) |
| 231 | .setSmallIcon(R.drawable.vpn_connected) |
| 232 | .setLargeIcon(bitmap) |
| 233 | .setTicker(mContext.getString(R.string.vpn_ticker, label)) |
| 234 | .setContentTitle(mContext.getString(R.string.vpn_title, label)) |
Chia-chi Yeh | f8905fd | 2011-06-14 16:35:02 -0700 | [diff] [blame] | 235 | .setContentText(text) |
Chia-chi Yeh | 7b0b834 | 2011-06-17 14:34:11 -0700 | [diff] [blame] | 236 | .setContentIntent(VpnConfig.getIntentForNotification(mContext, config)) |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 237 | .setDefaults(Notification.DEFAULT_ALL) |
| 238 | .setOngoing(true) |
| 239 | .getNotification(); |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 240 | nm.notify(R.drawable.vpn_connected, notification); |
| 241 | Binder.restoreCallingIdentity(identity); |
| 242 | } |
| 243 | } |
| 244 | |
| 245 | private void hideNotification() { |
| 246 | NotificationManager nm = (NotificationManager) |
| 247 | mContext.getSystemService(Context.NOTIFICATION_SERVICE); |
| 248 | |
| 249 | if (nm != null) { |
| 250 | long identity = Binder.clearCallingIdentity(); |
| 251 | nm.cancel(R.drawable.vpn_connected); |
| 252 | Binder.restoreCallingIdentity(identity); |
| 253 | } |
| 254 | } |
| 255 | |
Chia-chi Yeh | 3663227 | 2011-06-13 15:05:37 -0700 | [diff] [blame] | 256 | private native int nativeEstablish(int mtu, String addresses, String routes); |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 257 | private native String nativeGetName(int fd); |
| 258 | private native void nativeReset(String name); |
| 259 | private native int nativeCheck(String name); |
| 260 | private native void nativeProtect(int fd, String name); |
Chia-chi Yeh | 85a7ce0 | 2011-06-29 16:05:58 -0700 | [diff] [blame^] | 261 | |
| 262 | /** |
| 263 | * Handle legacy VPN requests. This method stops the services and restart |
| 264 | * them if their arguments are not null. Heavy things are offloaded to |
| 265 | * another thread, so callers will not be blocked too long. |
| 266 | * |
| 267 | * @param raoocn The arguments to be passed to racoon. |
| 268 | * @param mtpd The arguments to be passed to mtpd. |
| 269 | */ |
| 270 | public synchronized void doLegacyVpn(String[] racoon, String[] mtpd) { |
| 271 | // Currently only system user is allowed. |
| 272 | if (Binder.getCallingUid() != Process.SYSTEM_UID) { |
| 273 | throw new SecurityException("Unauthorized Caller"); |
| 274 | } |
| 275 | |
| 276 | // If the previous runner is still alive, interrupt it. |
| 277 | if (mLegacyVpnRunner != null && mLegacyVpnRunner.isAlive()) { |
| 278 | mLegacyVpnRunner.interrupt(); |
| 279 | } |
| 280 | |
| 281 | // Start a new runner and we are done! |
| 282 | mLegacyVpnRunner = new LegacyVpnRunner( |
| 283 | new String[] {"racoon", "mtpd"}, racoon, mtpd); |
| 284 | mLegacyVpnRunner.start(); |
| 285 | } |
| 286 | |
| 287 | /** |
| 288 | * Bringing up a VPN connection takes time, and that is all this thread |
| 289 | * does. Here we have plenty of time. The only thing we need to take |
| 290 | * care of is responding to interruptions as soon as possible. Otherwise |
| 291 | * requests will be piled up. This can be done in a Handler as a state |
| 292 | * machine, but it is much easier to read in the current form. |
| 293 | */ |
| 294 | private class LegacyVpnRunner extends Thread { |
| 295 | private static final String TAG = "LegacyVpnRunner"; |
| 296 | |
| 297 | private static final String NONE = "--"; |
| 298 | |
| 299 | private final String[] mServices; |
| 300 | private final String[][] mArguments; |
| 301 | private long mTimer = -1; |
| 302 | |
| 303 | public LegacyVpnRunner(String[] services, String[]... arguments) { |
| 304 | super(TAG); |
| 305 | mServices = services; |
| 306 | mArguments = arguments; |
| 307 | } |
| 308 | |
| 309 | @Override |
| 310 | public void run() { |
| 311 | // Wait for the previous thread since it has been interrupted. |
| 312 | Log.v(TAG, "wait"); |
| 313 | synchronized (TAG) { |
| 314 | Log.v(TAG, "run"); |
| 315 | execute(); |
| 316 | Log.v(TAG, "exit"); |
| 317 | } |
| 318 | } |
| 319 | |
| 320 | private void checkpoint(boolean yield) throws InterruptedException { |
| 321 | long now = SystemClock.elapsedRealtime(); |
| 322 | if (mTimer == -1) { |
| 323 | mTimer = now; |
| 324 | Thread.sleep(1); |
| 325 | } else if (now - mTimer <= 30000) { |
| 326 | Thread.sleep(yield ? 200 : 1); |
| 327 | } else { |
| 328 | throw new InterruptedException("timeout"); |
| 329 | } |
| 330 | } |
| 331 | |
| 332 | private void execute() { |
| 333 | // Catch all exceptions so we can clean up few things. |
| 334 | try { |
| 335 | // Initialize the timer. |
| 336 | checkpoint(false); |
| 337 | |
| 338 | // First stop the services. |
| 339 | for (String service : mServices) { |
| 340 | SystemProperties.set("ctl.stop", service); |
| 341 | } |
| 342 | |
| 343 | // Wait for the services to stop. |
| 344 | for (String service : mServices) { |
| 345 | String key = "init.svc." + service; |
| 346 | while (!"stopped".equals(SystemProperties.get(key))) { |
| 347 | checkpoint(true); |
| 348 | } |
| 349 | } |
| 350 | |
| 351 | // Reset the properties. |
| 352 | SystemProperties.set("vpn.dns", NONE); |
| 353 | SystemProperties.set("vpn.via", NONE); |
| 354 | while (!NONE.equals(SystemProperties.get("vpn.dns")) || |
| 355 | !NONE.equals(SystemProperties.get("vpn.via"))) { |
| 356 | checkpoint(true); |
| 357 | } |
| 358 | |
| 359 | // Check if we need to restart some services. |
| 360 | boolean restart = false; |
| 361 | for (String[] arguments : mArguments) { |
| 362 | restart = restart || (arguments != null); |
| 363 | } |
| 364 | if (!restart) { |
| 365 | return; |
| 366 | } |
| 367 | |
| 368 | // Start the service with arguments. |
| 369 | for (int i = 0; i < mServices.length; ++i) { |
| 370 | String[] arguments = mArguments[i]; |
| 371 | if (arguments == null) { |
| 372 | continue; |
| 373 | } |
| 374 | |
| 375 | // Start the service. |
| 376 | String service = mServices[i]; |
| 377 | SystemProperties.set("ctl.start", service); |
| 378 | |
| 379 | // Wait for the service to start. |
| 380 | String key = "init.svc." + service; |
| 381 | while (!"running".equals(SystemProperties.get(key))) { |
| 382 | checkpoint(true); |
| 383 | } |
| 384 | |
| 385 | // Create the control socket. |
| 386 | LocalSocket socket = new LocalSocket(); |
| 387 | LocalSocketAddress address = new LocalSocketAddress( |
| 388 | service, LocalSocketAddress.Namespace.RESERVED); |
| 389 | |
| 390 | // Wait for the socket to connect. |
| 391 | while (true) { |
| 392 | try { |
| 393 | socket.connect(address); |
| 394 | break; |
| 395 | } catch (Exception e) { |
| 396 | // ignore |
| 397 | } |
| 398 | checkpoint(true); |
| 399 | } |
| 400 | socket.setSoTimeout(500); |
| 401 | |
| 402 | // Send over the arguments. |
| 403 | OutputStream output = socket.getOutputStream(); |
| 404 | for (String argument : arguments) { |
| 405 | byte[] bytes = argument.getBytes(Charsets.UTF_8); |
| 406 | if (bytes.length >= 0xFFFF) { |
| 407 | throw new IllegalArgumentException("argument too large"); |
| 408 | } |
| 409 | output.write(bytes.length >> 8); |
| 410 | output.write(bytes.length); |
| 411 | output.write(bytes); |
| 412 | checkpoint(false); |
| 413 | } |
| 414 | |
| 415 | // Send End-Of-Arguments. |
| 416 | output.write(0xFF); |
| 417 | output.write(0xFF); |
| 418 | output.flush(); |
| 419 | socket.close(); |
| 420 | } |
| 421 | |
| 422 | // Now here is the beast from the old days. We check few |
| 423 | // properties to figure out the current status. Ideally we |
| 424 | // can read things back from the sockets and get rid of the |
| 425 | // properties, but we have no time... |
| 426 | while (NONE.equals(SystemProperties.get("vpn.dns")) || |
| 427 | NONE.equals(SystemProperties.get("vpn.via"))) { |
| 428 | |
| 429 | // Check if a running service is dead. |
| 430 | for (int i = 0; i < mServices.length; ++i) { |
| 431 | String service = mServices[i]; |
| 432 | if (mArguments[i] != null && !"running".equals( |
| 433 | SystemProperties.get("init.svc." + service))) { |
| 434 | throw new IllegalArgumentException(service + " is dead"); |
| 435 | } |
| 436 | } |
| 437 | checkpoint(true); |
| 438 | } |
| 439 | |
| 440 | // Great! Now we are connected! |
| 441 | Log.i(TAG, "connected!"); |
| 442 | // TODO: |
| 443 | |
| 444 | } catch (Exception e) { |
| 445 | Log.i(TAG, e.getMessage()); |
| 446 | for (String service : mServices) { |
| 447 | SystemProperties.set("ctl.stop", service); |
| 448 | } |
| 449 | } |
| 450 | } |
| 451 | } |
Chia-chi Yeh | ff3bdca | 2011-05-23 17:26:46 -0700 | [diff] [blame] | 452 | } |