NetworkManagementService.java revision 605eb79c9519307147fc1795d0eb155638a7f542
1/* 2 * Copyright (C) 2007 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 17package com.android.server; 18 19import static android.Manifest.permission.CONNECTIVITY_INTERNAL; 20import static android.Manifest.permission.DUMP; 21import static android.Manifest.permission.SHUTDOWN; 22import static android.net.NetworkStats.SET_DEFAULT; 23import static android.net.NetworkStats.TAG_ALL; 24import static android.net.NetworkStats.TAG_NONE; 25import static android.net.NetworkStats.UID_ALL; 26import static android.net.TrafficStats.UID_TETHERING; 27import static com.android.server.NetworkManagementService.NetdResponseCode.ClatdStatusResult; 28import static com.android.server.NetworkManagementService.NetdResponseCode.InterfaceGetCfgResult; 29import static com.android.server.NetworkManagementService.NetdResponseCode.InterfaceListResult; 30import static com.android.server.NetworkManagementService.NetdResponseCode.IpFwdStatusResult; 31import static com.android.server.NetworkManagementService.NetdResponseCode.TetherDnsFwdTgtListResult; 32import static com.android.server.NetworkManagementService.NetdResponseCode.TetherInterfaceListResult; 33import static com.android.server.NetworkManagementService.NetdResponseCode.TetherStatusResult; 34import static com.android.server.NetworkManagementService.NetdResponseCode.TetheringStatsListResult; 35import static com.android.server.NetworkManagementService.NetdResponseCode.TtyListResult; 36import static com.android.server.NetworkManagementSocketTagger.PROP_QTAGUID_ENABLED; 37 38import android.app.ActivityManagerNative; 39import android.content.Context; 40import android.net.ConnectivityManager; 41import android.net.INetworkManagementEventObserver; 42import android.net.InterfaceConfiguration; 43import android.net.IpPrefix; 44import android.net.LinkAddress; 45import android.net.Network; 46import android.net.NetworkStats; 47import android.net.NetworkUtils; 48import android.net.RouteInfo; 49import android.net.UidRange; 50import android.net.wifi.WifiConfiguration; 51import android.net.wifi.WifiConfiguration.KeyMgmt; 52import android.os.BatteryStats; 53import android.os.Binder; 54import android.os.Handler; 55import android.os.INetworkActivityListener; 56import android.os.INetworkManagementService; 57import android.os.PowerManager; 58import android.os.Process; 59import android.os.RemoteCallbackList; 60import android.os.RemoteException; 61import android.os.ServiceManager; 62import android.os.StrictMode; 63import android.os.SystemClock; 64import android.os.SystemProperties; 65import android.telephony.DataConnectionRealTimeInfo; 66import android.telephony.PhoneStateListener; 67import android.telephony.SubscriptionManager; 68import android.telephony.TelephonyManager; 69import android.util.Log; 70import android.util.Slog; 71import android.util.SparseBooleanArray; 72import android.util.SparseIntArray; 73 74import com.android.internal.annotations.GuardedBy; 75import com.android.internal.app.IBatteryStats; 76import com.android.internal.net.NetworkStatsFactory; 77import com.android.internal.util.HexDump; 78import com.android.internal.util.Preconditions; 79import com.android.server.NativeDaemonConnector.Command; 80import com.android.server.NativeDaemonConnector.SensitiveArg; 81import com.android.server.net.LockdownVpnTracker; 82import com.google.android.collect.Maps; 83 84import java.io.BufferedReader; 85import java.io.DataInputStream; 86import java.io.File; 87import java.io.FileDescriptor; 88import java.io.FileInputStream; 89import java.io.IOException; 90import java.io.InputStreamReader; 91import java.io.PrintWriter; 92import java.net.InetAddress; 93import java.net.InterfaceAddress; 94import java.net.NetworkInterface; 95import java.net.SocketException; 96import java.util.ArrayList; 97import java.util.Arrays; 98import java.util.HashMap; 99import java.util.List; 100import java.util.Map; 101import java.util.NoSuchElementException; 102import java.util.StringTokenizer; 103import java.util.concurrent.CountDownLatch; 104 105/** 106 * @hide 107 */ 108public class NetworkManagementService extends INetworkManagementService.Stub 109 implements Watchdog.Monitor { 110 private static final String TAG = "NetworkManagementService"; 111 private static final boolean DBG = false; 112 private static final String NETD_TAG = "NetdConnector"; 113 private static final String NETD_SOCKET_NAME = "netd"; 114 115 private static final int MAX_UID_RANGES_PER_COMMAND = 10; 116 117 /** 118 * Name representing {@link #setGlobalAlert(long)} limit when delivered to 119 * {@link INetworkManagementEventObserver#limitReached(String, String)}. 120 */ 121 public static final String LIMIT_GLOBAL_ALERT = "globalAlert"; 122 123 class NetdResponseCode { 124 /* Keep in sync with system/netd/server/ResponseCode.h */ 125 public static final int InterfaceListResult = 110; 126 public static final int TetherInterfaceListResult = 111; 127 public static final int TetherDnsFwdTgtListResult = 112; 128 public static final int TtyListResult = 113; 129 public static final int TetheringStatsListResult = 114; 130 131 public static final int TetherStatusResult = 210; 132 public static final int IpFwdStatusResult = 211; 133 public static final int InterfaceGetCfgResult = 213; 134 public static final int SoftapStatusResult = 214; 135 public static final int InterfaceRxCounterResult = 216; 136 public static final int InterfaceTxCounterResult = 217; 137 public static final int QuotaCounterResult = 220; 138 public static final int TetheringStatsResult = 221; 139 public static final int DnsProxyQueryResult = 222; 140 public static final int ClatdStatusResult = 223; 141 142 public static final int InterfaceChange = 600; 143 public static final int BandwidthControl = 601; 144 public static final int InterfaceClassActivity = 613; 145 public static final int InterfaceAddressChange = 614; 146 public static final int InterfaceDnsServerInfo = 615; 147 public static final int RouteChange = 616; 148 public static final int StrictCleartext = 617; 149 } 150 151 static final int DAEMON_MSG_MOBILE_CONN_REAL_TIME_INFO = 1; 152 153 /** 154 * Binder context for this service 155 */ 156 private final Context mContext; 157 158 /** 159 * connector object for communicating with netd 160 */ 161 private final NativeDaemonConnector mConnector; 162 163 private final Handler mFgHandler; 164 private final Handler mDaemonHandler; 165 private final PhoneStateListener mPhoneStateListener; 166 167 private IBatteryStats mBatteryStats; 168 169 private final Thread mThread; 170 private CountDownLatch mConnectedSignal = new CountDownLatch(1); 171 172 private final RemoteCallbackList<INetworkManagementEventObserver> mObservers = 173 new RemoteCallbackList<INetworkManagementEventObserver>(); 174 175 private final NetworkStatsFactory mStatsFactory = new NetworkStatsFactory(); 176 177 private Object mQuotaLock = new Object(); 178 179 /** Set of interfaces with active quotas. */ 180 @GuardedBy("mQuotaLock") 181 private HashMap<String, Long> mActiveQuotas = Maps.newHashMap(); 182 /** Set of interfaces with active alerts. */ 183 @GuardedBy("mQuotaLock") 184 private HashMap<String, Long> mActiveAlerts = Maps.newHashMap(); 185 /** Set of UIDs with active reject rules. */ 186 @GuardedBy("mQuotaLock") 187 private SparseBooleanArray mUidRejectOnQuota = new SparseBooleanArray(); 188 /** Set of UIDs with cleartext penalties. */ 189 @GuardedBy("mQuotaLock") 190 private SparseIntArray mUidCleartextPolicy = new SparseIntArray(); 191 192 private Object mIdleTimerLock = new Object(); 193 /** Set of interfaces with active idle timers. */ 194 private static class IdleTimerParams { 195 public final int timeout; 196 public final int type; 197 public int networkCount; 198 199 IdleTimerParams(int timeout, int type) { 200 this.timeout = timeout; 201 this.type = type; 202 this.networkCount = 1; 203 } 204 } 205 private HashMap<String, IdleTimerParams> mActiveIdleTimers = Maps.newHashMap(); 206 207 private volatile boolean mBandwidthControlEnabled; 208 private volatile boolean mFirewallEnabled; 209 private volatile boolean mStrictEnabled; 210 211 private boolean mMobileActivityFromRadio = false; 212 private int mLastPowerStateFromRadio = DataConnectionRealTimeInfo.DC_POWER_STATE_LOW; 213 214 private final RemoteCallbackList<INetworkActivityListener> mNetworkActivityListeners = 215 new RemoteCallbackList<INetworkActivityListener>(); 216 private boolean mNetworkActive; 217 218 /** 219 * Constructs a new NetworkManagementService instance 220 * 221 * @param context Binder context for this service 222 */ 223 private NetworkManagementService(Context context, String socket) { 224 mContext = context; 225 226 // make sure this is on the same looper as our NativeDaemonConnector for sync purposes 227 mFgHandler = new Handler(FgThread.get().getLooper()); 228 229 if ("simulator".equals(SystemProperties.get("ro.product.device"))) { 230 mConnector = null; 231 mThread = null; 232 mDaemonHandler = null; 233 mPhoneStateListener = null; 234 return; 235 } 236 237 // Don't need this wake lock, since we now have a time stamp for when 238 // the network actually went inactive. (It might be nice to still do this, 239 // but I don't want to do it through the power manager because that pollutes the 240 // battery stats history with pointless noise.) 241 //PowerManager pm = (PowerManager)context.getSystemService(Context.POWER_SERVICE); 242 PowerManager.WakeLock wl = null; //pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, NETD_TAG); 243 244 mConnector = new NativeDaemonConnector( 245 new NetdCallbackReceiver(), socket, 10, NETD_TAG, 160, wl, 246 FgThread.get().getLooper()); 247 mThread = new Thread(mConnector, NETD_TAG); 248 249 mDaemonHandler = new Handler(FgThread.get().getLooper()); 250 251 mPhoneStateListener = new PhoneStateListener(SubscriptionManager.DEFAULT_SUB_ID, 252 mDaemonHandler.getLooper()) { 253 @Override 254 public void onDataConnectionRealTimeInfoChanged( 255 DataConnectionRealTimeInfo dcRtInfo) { 256 if (DBG) Slog.d(TAG, "onDataConnectionRealTimeInfoChanged: " + dcRtInfo); 257 notifyInterfaceClassActivity(ConnectivityManager.TYPE_MOBILE, 258 dcRtInfo.getDcPowerState(), dcRtInfo.getTime(), true); 259 } 260 }; 261 TelephonyManager tm = (TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE); 262 if (tm != null) { 263 tm.listen(mPhoneStateListener, 264 PhoneStateListener.LISTEN_DATA_CONNECTION_REAL_TIME_INFO); 265 } 266 267 // Add ourself to the Watchdog monitors. 268 Watchdog.getInstance().addMonitor(this); 269 } 270 271 static NetworkManagementService create(Context context, 272 String socket) throws InterruptedException { 273 final NetworkManagementService service = new NetworkManagementService(context, socket); 274 final CountDownLatch connectedSignal = service.mConnectedSignal; 275 if (DBG) Slog.d(TAG, "Creating NetworkManagementService"); 276 service.mThread.start(); 277 if (DBG) Slog.d(TAG, "Awaiting socket connection"); 278 connectedSignal.await(); 279 if (DBG) Slog.d(TAG, "Connected"); 280 return service; 281 } 282 283 public static NetworkManagementService create(Context context) throws InterruptedException { 284 return create(context, NETD_SOCKET_NAME); 285 } 286 287 public void systemReady() { 288 prepareNativeDaemon(); 289 if (DBG) Slog.d(TAG, "Prepared"); 290 } 291 292 private IBatteryStats getBatteryStats() { 293 synchronized (this) { 294 if (mBatteryStats != null) { 295 return mBatteryStats; 296 } 297 mBatteryStats = IBatteryStats.Stub.asInterface(ServiceManager.getService( 298 BatteryStats.SERVICE_NAME)); 299 return mBatteryStats; 300 } 301 } 302 303 @Override 304 public void registerObserver(INetworkManagementEventObserver observer) { 305 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 306 mObservers.register(observer); 307 } 308 309 @Override 310 public void unregisterObserver(INetworkManagementEventObserver observer) { 311 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 312 mObservers.unregister(observer); 313 } 314 315 /** 316 * Notify our observers of an interface status change 317 */ 318 private void notifyInterfaceStatusChanged(String iface, boolean up) { 319 final int length = mObservers.beginBroadcast(); 320 try { 321 for (int i = 0; i < length; i++) { 322 try { 323 mObservers.getBroadcastItem(i).interfaceStatusChanged(iface, up); 324 } catch (RemoteException e) { 325 } catch (RuntimeException e) { 326 } 327 } 328 } finally { 329 mObservers.finishBroadcast(); 330 } 331 } 332 333 /** 334 * Notify our observers of an interface link state change 335 * (typically, an Ethernet cable has been plugged-in or unplugged). 336 */ 337 private void notifyInterfaceLinkStateChanged(String iface, boolean up) { 338 final int length = mObservers.beginBroadcast(); 339 try { 340 for (int i = 0; i < length; i++) { 341 try { 342 mObservers.getBroadcastItem(i).interfaceLinkStateChanged(iface, up); 343 } catch (RemoteException e) { 344 } catch (RuntimeException e) { 345 } 346 } 347 } finally { 348 mObservers.finishBroadcast(); 349 } 350 } 351 352 /** 353 * Notify our observers of an interface addition. 354 */ 355 private void notifyInterfaceAdded(String iface) { 356 final int length = mObservers.beginBroadcast(); 357 try { 358 for (int i = 0; i < length; i++) { 359 try { 360 mObservers.getBroadcastItem(i).interfaceAdded(iface); 361 } catch (RemoteException e) { 362 } catch (RuntimeException e) { 363 } 364 } 365 } finally { 366 mObservers.finishBroadcast(); 367 } 368 } 369 370 /** 371 * Notify our observers of an interface removal. 372 */ 373 private void notifyInterfaceRemoved(String iface) { 374 // netd already clears out quota and alerts for removed ifaces; update 375 // our sanity-checking state. 376 mActiveAlerts.remove(iface); 377 mActiveQuotas.remove(iface); 378 379 final int length = mObservers.beginBroadcast(); 380 try { 381 for (int i = 0; i < length; i++) { 382 try { 383 mObservers.getBroadcastItem(i).interfaceRemoved(iface); 384 } catch (RemoteException e) { 385 } catch (RuntimeException e) { 386 } 387 } 388 } finally { 389 mObservers.finishBroadcast(); 390 } 391 } 392 393 /** 394 * Notify our observers of a limit reached. 395 */ 396 private void notifyLimitReached(String limitName, String iface) { 397 final int length = mObservers.beginBroadcast(); 398 try { 399 for (int i = 0; i < length; i++) { 400 try { 401 mObservers.getBroadcastItem(i).limitReached(limitName, iface); 402 } catch (RemoteException e) { 403 } catch (RuntimeException e) { 404 } 405 } 406 } finally { 407 mObservers.finishBroadcast(); 408 } 409 } 410 411 /** 412 * Notify our observers of a change in the data activity state of the interface 413 */ 414 private void notifyInterfaceClassActivity(int type, int powerState, long tsNanos, 415 boolean fromRadio) { 416 final boolean isMobile = ConnectivityManager.isNetworkTypeMobile(type); 417 if (isMobile) { 418 if (!fromRadio) { 419 if (mMobileActivityFromRadio) { 420 // If this call is not coming from a report from the radio itself, but we 421 // have previously received reports from the radio, then we will take the 422 // power state to just be whatever the radio last reported. 423 powerState = mLastPowerStateFromRadio; 424 } 425 } else { 426 mMobileActivityFromRadio = true; 427 } 428 if (mLastPowerStateFromRadio != powerState) { 429 mLastPowerStateFromRadio = powerState; 430 try { 431 getBatteryStats().noteMobileRadioPowerState(powerState, tsNanos); 432 } catch (RemoteException e) { 433 } 434 } 435 } 436 437 boolean isActive = powerState == DataConnectionRealTimeInfo.DC_POWER_STATE_MEDIUM 438 || powerState == DataConnectionRealTimeInfo.DC_POWER_STATE_HIGH; 439 440 if (!isMobile || fromRadio || !mMobileActivityFromRadio) { 441 // Report the change in data activity. We don't do this if this is a change 442 // on the mobile network, that is not coming from the radio itself, and we 443 // have previously seen change reports from the radio. In that case only 444 // the radio is the authority for the current state. 445 final int length = mObservers.beginBroadcast(); 446 try { 447 for (int i = 0; i < length; i++) { 448 try { 449 mObservers.getBroadcastItem(i).interfaceClassDataActivityChanged( 450 Integer.toString(type), isActive, tsNanos); 451 } catch (RemoteException e) { 452 } catch (RuntimeException e) { 453 } 454 } 455 } finally { 456 mObservers.finishBroadcast(); 457 } 458 } 459 460 boolean report = false; 461 synchronized (mIdleTimerLock) { 462 if (mActiveIdleTimers.isEmpty()) { 463 // If there are no idle timers, we are not monitoring activity, so we 464 // are always considered active. 465 isActive = true; 466 } 467 if (mNetworkActive != isActive) { 468 mNetworkActive = isActive; 469 report = isActive; 470 } 471 } 472 if (report) { 473 reportNetworkActive(); 474 } 475 } 476 477 /** 478 * Prepare native daemon once connected, enabling modules and pushing any 479 * existing in-memory rules. 480 */ 481 private void prepareNativeDaemon() { 482 mBandwidthControlEnabled = false; 483 484 // only enable bandwidth control when support exists 485 final boolean hasKernelSupport = new File("/proc/net/xt_qtaguid/ctrl").exists(); 486 if (hasKernelSupport) { 487 Slog.d(TAG, "enabling bandwidth control"); 488 try { 489 mConnector.execute("bandwidth", "enable"); 490 mBandwidthControlEnabled = true; 491 } catch (NativeDaemonConnectorException e) { 492 Log.wtf(TAG, "problem enabling bandwidth controls", e); 493 } 494 } else { 495 Slog.d(TAG, "not enabling bandwidth control"); 496 } 497 498 SystemProperties.set(PROP_QTAGUID_ENABLED, mBandwidthControlEnabled ? "1" : "0"); 499 500 if (mBandwidthControlEnabled) { 501 try { 502 getBatteryStats().noteNetworkStatsEnabled(); 503 } catch (RemoteException e) { 504 } 505 } 506 507 try { 508 mConnector.execute("strict", "enable"); 509 mStrictEnabled = true; 510 } catch (NativeDaemonConnectorException e) { 511 Log.wtf(TAG, "Failed strict enable", e); 512 } 513 514 // push any existing quota or UID rules 515 synchronized (mQuotaLock) { 516 int size = mActiveQuotas.size(); 517 if (size > 0) { 518 Slog.d(TAG, "Pushing " + size + " active quota rules"); 519 final HashMap<String, Long> activeQuotas = mActiveQuotas; 520 mActiveQuotas = Maps.newHashMap(); 521 for (Map.Entry<String, Long> entry : activeQuotas.entrySet()) { 522 setInterfaceQuota(entry.getKey(), entry.getValue()); 523 } 524 } 525 526 size = mActiveAlerts.size(); 527 if (size > 0) { 528 Slog.d(TAG, "Pushing " + size + " active alert rules"); 529 final HashMap<String, Long> activeAlerts = mActiveAlerts; 530 mActiveAlerts = Maps.newHashMap(); 531 for (Map.Entry<String, Long> entry : activeAlerts.entrySet()) { 532 setInterfaceAlert(entry.getKey(), entry.getValue()); 533 } 534 } 535 536 size = mUidRejectOnQuota.size(); 537 if (size > 0) { 538 Slog.d(TAG, "Pushing " + size + " active UID rules"); 539 final SparseBooleanArray uidRejectOnQuota = mUidRejectOnQuota; 540 mUidRejectOnQuota = new SparseBooleanArray(); 541 for (int i = 0; i < uidRejectOnQuota.size(); i++) { 542 setUidNetworkRules(uidRejectOnQuota.keyAt(i), uidRejectOnQuota.valueAt(i)); 543 } 544 } 545 546 size = mUidCleartextPolicy.size(); 547 if (size > 0) { 548 Slog.d(TAG, "Pushing " + size + " active UID cleartext policies"); 549 final SparseIntArray local = mUidCleartextPolicy; 550 mUidCleartextPolicy = new SparseIntArray(); 551 for (int i = 0; i < local.size(); i++) { 552 setUidCleartextNetworkPolicy(local.keyAt(i), local.valueAt(i)); 553 } 554 } 555 } 556 557 // TODO: Push any existing firewall state 558 setFirewallEnabled(mFirewallEnabled || LockdownVpnTracker.isEnabled()); 559 } 560 561 /** 562 * Notify our observers of a new or updated interface address. 563 */ 564 private void notifyAddressUpdated(String iface, LinkAddress address) { 565 final int length = mObservers.beginBroadcast(); 566 try { 567 for (int i = 0; i < length; i++) { 568 try { 569 mObservers.getBroadcastItem(i).addressUpdated(iface, address); 570 } catch (RemoteException e) { 571 } catch (RuntimeException e) { 572 } 573 } 574 } finally { 575 mObservers.finishBroadcast(); 576 } 577 } 578 579 /** 580 * Notify our observers of a deleted interface address. 581 */ 582 private void notifyAddressRemoved(String iface, LinkAddress address) { 583 final int length = mObservers.beginBroadcast(); 584 try { 585 for (int i = 0; i < length; i++) { 586 try { 587 mObservers.getBroadcastItem(i).addressRemoved(iface, address); 588 } catch (RemoteException e) { 589 } catch (RuntimeException e) { 590 } 591 } 592 } finally { 593 mObservers.finishBroadcast(); 594 } 595 } 596 597 /** 598 * Notify our observers of DNS server information received. 599 */ 600 private void notifyInterfaceDnsServerInfo(String iface, long lifetime, String[] addresses) { 601 final int length = mObservers.beginBroadcast(); 602 try { 603 for (int i = 0; i < length; i++) { 604 try { 605 mObservers.getBroadcastItem(i).interfaceDnsServerInfo(iface, lifetime, 606 addresses); 607 } catch (RemoteException e) { 608 } catch (RuntimeException e) { 609 } 610 } 611 } finally { 612 mObservers.finishBroadcast(); 613 } 614 } 615 616 /** 617 * Notify our observers of a route change. 618 */ 619 private void notifyRouteChange(String action, RouteInfo route) { 620 final int length = mObservers.beginBroadcast(); 621 try { 622 for (int i = 0; i < length; i++) { 623 try { 624 if (action.equals("updated")) { 625 mObservers.getBroadcastItem(i).routeUpdated(route); 626 } else { 627 mObservers.getBroadcastItem(i).routeRemoved(route); 628 } 629 } catch (RemoteException e) { 630 } catch (RuntimeException e) { 631 } 632 } 633 } finally { 634 mObservers.finishBroadcast(); 635 } 636 } 637 638 // 639 // Netd Callback handling 640 // 641 642 private class NetdCallbackReceiver implements INativeDaemonConnectorCallbacks { 643 @Override 644 public void onDaemonConnected() { 645 // event is dispatched from internal NDC thread, so we prepare the 646 // daemon back on main thread. 647 if (mConnectedSignal != null) { 648 mConnectedSignal.countDown(); 649 mConnectedSignal = null; 650 } else { 651 mFgHandler.post(new Runnable() { 652 @Override 653 public void run() { 654 prepareNativeDaemon(); 655 } 656 }); 657 } 658 } 659 660 @Override 661 public boolean onCheckHoldWakeLock(int code) { 662 return code == NetdResponseCode.InterfaceClassActivity; 663 } 664 665 @Override 666 public boolean onEvent(int code, String raw, String[] cooked) { 667 String errorMessage = String.format("Invalid event from daemon (%s)", raw); 668 switch (code) { 669 case NetdResponseCode.InterfaceChange: 670 /* 671 * a network interface change occured 672 * Format: "NNN Iface added <name>" 673 * "NNN Iface removed <name>" 674 * "NNN Iface changed <name> <up/down>" 675 * "NNN Iface linkstatus <name> <up/down>" 676 */ 677 if (cooked.length < 4 || !cooked[1].equals("Iface")) { 678 throw new IllegalStateException(errorMessage); 679 } 680 if (cooked[2].equals("added")) { 681 notifyInterfaceAdded(cooked[3]); 682 return true; 683 } else if (cooked[2].equals("removed")) { 684 notifyInterfaceRemoved(cooked[3]); 685 return true; 686 } else if (cooked[2].equals("changed") && cooked.length == 5) { 687 notifyInterfaceStatusChanged(cooked[3], cooked[4].equals("up")); 688 return true; 689 } else if (cooked[2].equals("linkstate") && cooked.length == 5) { 690 notifyInterfaceLinkStateChanged(cooked[3], cooked[4].equals("up")); 691 return true; 692 } 693 throw new IllegalStateException(errorMessage); 694 // break; 695 case NetdResponseCode.BandwidthControl: 696 /* 697 * Bandwidth control needs some attention 698 * Format: "NNN limit alert <alertName> <ifaceName>" 699 */ 700 if (cooked.length < 5 || !cooked[1].equals("limit")) { 701 throw new IllegalStateException(errorMessage); 702 } 703 if (cooked[2].equals("alert")) { 704 notifyLimitReached(cooked[3], cooked[4]); 705 return true; 706 } 707 throw new IllegalStateException(errorMessage); 708 // break; 709 case NetdResponseCode.InterfaceClassActivity: 710 /* 711 * An network interface class state changed (active/idle) 712 * Format: "NNN IfaceClass <active/idle> <label>" 713 */ 714 if (cooked.length < 4 || !cooked[1].equals("IfaceClass")) { 715 throw new IllegalStateException(errorMessage); 716 } 717 long timestampNanos = 0; 718 if (cooked.length == 5) { 719 try { 720 timestampNanos = Long.parseLong(cooked[4]); 721 } catch(NumberFormatException ne) {} 722 } else { 723 timestampNanos = SystemClock.elapsedRealtimeNanos(); 724 } 725 boolean isActive = cooked[2].equals("active"); 726 notifyInterfaceClassActivity(Integer.parseInt(cooked[3]), 727 isActive ? DataConnectionRealTimeInfo.DC_POWER_STATE_HIGH 728 : DataConnectionRealTimeInfo.DC_POWER_STATE_LOW, timestampNanos, false); 729 return true; 730 // break; 731 case NetdResponseCode.InterfaceAddressChange: 732 /* 733 * A network address change occurred 734 * Format: "NNN Address updated <addr> <iface> <flags> <scope>" 735 * "NNN Address removed <addr> <iface> <flags> <scope>" 736 */ 737 if (cooked.length < 7 || !cooked[1].equals("Address")) { 738 throw new IllegalStateException(errorMessage); 739 } 740 741 String iface = cooked[4]; 742 LinkAddress address; 743 try { 744 int flags = Integer.parseInt(cooked[5]); 745 int scope = Integer.parseInt(cooked[6]); 746 address = new LinkAddress(cooked[3], flags, scope); 747 } catch(NumberFormatException e) { // Non-numeric lifetime or scope. 748 throw new IllegalStateException(errorMessage, e); 749 } catch(IllegalArgumentException e) { // Malformed/invalid IP address. 750 throw new IllegalStateException(errorMessage, e); 751 } 752 753 if (cooked[2].equals("updated")) { 754 notifyAddressUpdated(iface, address); 755 } else { 756 notifyAddressRemoved(iface, address); 757 } 758 return true; 759 // break; 760 case NetdResponseCode.InterfaceDnsServerInfo: 761 /* 762 * Information about available DNS servers has been received. 763 * Format: "NNN DnsInfo servers <interface> <lifetime> <servers>" 764 */ 765 long lifetime; // Actually a 32-bit unsigned integer. 766 767 if (cooked.length == 6 && 768 cooked[1].equals("DnsInfo") && 769 cooked[2].equals("servers")) { 770 try { 771 lifetime = Long.parseLong(cooked[4]); 772 } catch (NumberFormatException e) { 773 throw new IllegalStateException(errorMessage); 774 } 775 String[] servers = cooked[5].split(","); 776 notifyInterfaceDnsServerInfo(cooked[3], lifetime, servers); 777 } 778 return true; 779 // break; 780 case NetdResponseCode.RouteChange: 781 /* 782 * A route has been updated or removed. 783 * Format: "NNN Route <updated|removed> <dst> [via <gateway] [dev <iface>]" 784 */ 785 if (!cooked[1].equals("Route") || cooked.length < 6) { 786 throw new IllegalStateException(errorMessage); 787 } 788 789 String via = null; 790 String dev = null; 791 boolean valid = true; 792 for (int i = 4; (i + 1) < cooked.length && valid; i += 2) { 793 if (cooked[i].equals("dev")) { 794 if (dev == null) { 795 dev = cooked[i+1]; 796 } else { 797 valid = false; // Duplicate interface. 798 } 799 } else if (cooked[i].equals("via")) { 800 if (via == null) { 801 via = cooked[i+1]; 802 } else { 803 valid = false; // Duplicate gateway. 804 } 805 } else { 806 valid = false; // Unknown syntax. 807 } 808 } 809 if (valid) { 810 try { 811 // InetAddress.parseNumericAddress(null) inexplicably returns ::1. 812 InetAddress gateway = null; 813 if (via != null) gateway = InetAddress.parseNumericAddress(via); 814 RouteInfo route = new RouteInfo(new IpPrefix(cooked[3]), gateway, dev); 815 notifyRouteChange(cooked[2], route); 816 return true; 817 } catch (IllegalArgumentException e) {} 818 } 819 throw new IllegalStateException(errorMessage); 820 // break; 821 case NetdResponseCode.StrictCleartext: 822 final int uid = Integer.parseInt(cooked[1]); 823 final byte[] firstPacket = HexDump.hexStringToByteArray(cooked[2]); 824 try { 825 ActivityManagerNative.getDefault().notifyCleartextNetwork(uid, firstPacket); 826 } catch (RemoteException ignored) { 827 } 828 break; 829 default: break; 830 } 831 return false; 832 } 833 } 834 835 836 // 837 // INetworkManagementService members 838 // 839 840 @Override 841 public String[] listInterfaces() { 842 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 843 try { 844 return NativeDaemonEvent.filterMessageList( 845 mConnector.executeForList("interface", "list"), InterfaceListResult); 846 } catch (NativeDaemonConnectorException e) { 847 throw e.rethrowAsParcelableException(); 848 } 849 } 850 851 @Override 852 public InterfaceConfiguration getInterfaceConfig(String iface) { 853 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 854 855 final NativeDaemonEvent event; 856 try { 857 event = mConnector.execute("interface", "getcfg", iface); 858 } catch (NativeDaemonConnectorException e) { 859 throw e.rethrowAsParcelableException(); 860 } 861 862 event.checkCode(InterfaceGetCfgResult); 863 864 // Rsp: 213 xx:xx:xx:xx:xx:xx yyy.yyy.yyy.yyy zzz flag1 flag2 flag3 865 final StringTokenizer st = new StringTokenizer(event.getMessage()); 866 867 InterfaceConfiguration cfg; 868 try { 869 cfg = new InterfaceConfiguration(); 870 cfg.setHardwareAddress(st.nextToken(" ")); 871 InetAddress addr = null; 872 int prefixLength = 0; 873 try { 874 addr = NetworkUtils.numericToInetAddress(st.nextToken()); 875 } catch (IllegalArgumentException iae) { 876 Slog.e(TAG, "Failed to parse ipaddr", iae); 877 } 878 879 try { 880 prefixLength = Integer.parseInt(st.nextToken()); 881 } catch (NumberFormatException nfe) { 882 Slog.e(TAG, "Failed to parse prefixLength", nfe); 883 } 884 885 cfg.setLinkAddress(new LinkAddress(addr, prefixLength)); 886 while (st.hasMoreTokens()) { 887 cfg.setFlag(st.nextToken()); 888 } 889 } catch (NoSuchElementException nsee) { 890 throw new IllegalStateException("Invalid response from daemon: " + event); 891 } 892 return cfg; 893 } 894 895 @Override 896 public void setInterfaceConfig(String iface, InterfaceConfiguration cfg) { 897 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 898 LinkAddress linkAddr = cfg.getLinkAddress(); 899 if (linkAddr == null || linkAddr.getAddress() == null) { 900 throw new IllegalStateException("Null LinkAddress given"); 901 } 902 903 final Command cmd = new Command("interface", "setcfg", iface, 904 linkAddr.getAddress().getHostAddress(), 905 linkAddr.getPrefixLength()); 906 for (String flag : cfg.getFlags()) { 907 cmd.appendArg(flag); 908 } 909 910 try { 911 mConnector.execute(cmd); 912 } catch (NativeDaemonConnectorException e) { 913 throw e.rethrowAsParcelableException(); 914 } 915 } 916 917 @Override 918 public void setInterfaceDown(String iface) { 919 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 920 final InterfaceConfiguration ifcg = getInterfaceConfig(iface); 921 ifcg.setInterfaceDown(); 922 setInterfaceConfig(iface, ifcg); 923 } 924 925 @Override 926 public void setInterfaceUp(String iface) { 927 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 928 final InterfaceConfiguration ifcg = getInterfaceConfig(iface); 929 ifcg.setInterfaceUp(); 930 setInterfaceConfig(iface, ifcg); 931 } 932 933 @Override 934 public void setInterfaceIpv6PrivacyExtensions(String iface, boolean enable) { 935 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 936 try { 937 mConnector.execute( 938 "interface", "ipv6privacyextensions", iface, enable ? "enable" : "disable"); 939 } catch (NativeDaemonConnectorException e) { 940 throw e.rethrowAsParcelableException(); 941 } 942 } 943 944 /* TODO: This is right now a IPv4 only function. Works for wifi which loses its 945 IPv6 addresses on interface down, but we need to do full clean up here */ 946 @Override 947 public void clearInterfaceAddresses(String iface) { 948 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 949 try { 950 mConnector.execute("interface", "clearaddrs", iface); 951 } catch (NativeDaemonConnectorException e) { 952 throw e.rethrowAsParcelableException(); 953 } 954 } 955 956 @Override 957 public void enableIpv6(String iface) { 958 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 959 try { 960 mConnector.execute("interface", "ipv6", iface, "enable"); 961 } catch (NativeDaemonConnectorException e) { 962 throw e.rethrowAsParcelableException(); 963 } 964 } 965 966 @Override 967 public void disableIpv6(String iface) { 968 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 969 try { 970 mConnector.execute("interface", "ipv6", iface, "disable"); 971 } catch (NativeDaemonConnectorException e) { 972 throw e.rethrowAsParcelableException(); 973 } 974 } 975 976 @Override 977 public void addRoute(int netId, RouteInfo route) { 978 modifyRoute("add", "" + netId, route); 979 } 980 981 @Override 982 public void removeRoute(int netId, RouteInfo route) { 983 modifyRoute("remove", "" + netId, route); 984 } 985 986 private void modifyRoute(String action, String netId, RouteInfo route) { 987 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 988 989 final Command cmd = new Command("network", "route", action, netId); 990 991 // create triplet: interface dest-ip-addr/prefixlength gateway-ip-addr 992 cmd.appendArg(route.getInterface()); 993 cmd.appendArg(route.getDestination().toString()); 994 995 switch (route.getType()) { 996 case RouteInfo.RTN_UNICAST: 997 if (route.hasGateway()) { 998 cmd.appendArg(route.getGateway().getHostAddress()); 999 } 1000 break; 1001 case RouteInfo.RTN_UNREACHABLE: 1002 cmd.appendArg("unreachable"); 1003 break; 1004 case RouteInfo.RTN_THROW: 1005 cmd.appendArg("throw"); 1006 break; 1007 } 1008 1009 try { 1010 mConnector.execute(cmd); 1011 } catch (NativeDaemonConnectorException e) { 1012 throw e.rethrowAsParcelableException(); 1013 } 1014 } 1015 1016 private ArrayList<String> readRouteList(String filename) { 1017 FileInputStream fstream = null; 1018 ArrayList<String> list = new ArrayList<String>(); 1019 1020 try { 1021 fstream = new FileInputStream(filename); 1022 DataInputStream in = new DataInputStream(fstream); 1023 BufferedReader br = new BufferedReader(new InputStreamReader(in)); 1024 String s; 1025 1026 // throw away the title line 1027 1028 while (((s = br.readLine()) != null) && (s.length() != 0)) { 1029 list.add(s); 1030 } 1031 } catch (IOException ex) { 1032 // return current list, possibly empty 1033 } finally { 1034 if (fstream != null) { 1035 try { 1036 fstream.close(); 1037 } catch (IOException ex) {} 1038 } 1039 } 1040 1041 return list; 1042 } 1043 1044 @Override 1045 public RouteInfo[] getRoutes(String interfaceName) { 1046 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1047 ArrayList<RouteInfo> routes = new ArrayList<RouteInfo>(); 1048 1049 // v4 routes listed as: 1050 // iface dest-addr gateway-addr flags refcnt use metric netmask mtu window IRTT 1051 for (String s : readRouteList("/proc/net/route")) { 1052 String[] fields = s.split("\t"); 1053 1054 if (fields.length > 7) { 1055 String iface = fields[0]; 1056 1057 if (interfaceName.equals(iface)) { 1058 String dest = fields[1]; 1059 String gate = fields[2]; 1060 String flags = fields[3]; // future use? 1061 String mask = fields[7]; 1062 try { 1063 // address stored as a hex string, ex: 0014A8C0 1064 InetAddress destAddr = 1065 NetworkUtils.intToInetAddress((int)Long.parseLong(dest, 16)); 1066 int prefixLength = 1067 NetworkUtils.netmaskIntToPrefixLength( 1068 (int)Long.parseLong(mask, 16)); 1069 LinkAddress linkAddress = new LinkAddress(destAddr, prefixLength); 1070 1071 // address stored as a hex string, ex 0014A8C0 1072 InetAddress gatewayAddr = 1073 NetworkUtils.intToInetAddress((int)Long.parseLong(gate, 16)); 1074 1075 RouteInfo route = new RouteInfo(linkAddress, gatewayAddr); 1076 routes.add(route); 1077 } catch (Exception e) { 1078 Log.e(TAG, "Error parsing route " + s + " : " + e); 1079 continue; 1080 } 1081 } 1082 } 1083 } 1084 1085 // v6 routes listed as: 1086 // dest-addr prefixlength ?? ?? gateway-addr ?? ?? ?? ?? iface 1087 for (String s : readRouteList("/proc/net/ipv6_route")) { 1088 String[]fields = s.split("\\s+"); 1089 if (fields.length > 9) { 1090 String iface = fields[9].trim(); 1091 if (interfaceName.equals(iface)) { 1092 String dest = fields[0]; 1093 String prefix = fields[1]; 1094 String gate = fields[4]; 1095 1096 try { 1097 // prefix length stored as a hex string, ex 40 1098 int prefixLength = Integer.parseInt(prefix, 16); 1099 1100 // address stored as a 32 char hex string 1101 // ex fe800000000000000000000000000000 1102 InetAddress destAddr = NetworkUtils.hexToInet6Address(dest); 1103 LinkAddress linkAddress = new LinkAddress(destAddr, prefixLength); 1104 1105 InetAddress gateAddr = NetworkUtils.hexToInet6Address(gate); 1106 1107 RouteInfo route = new RouteInfo(linkAddress, gateAddr); 1108 routes.add(route); 1109 } catch (Exception e) { 1110 Log.e(TAG, "Error parsing route " + s + " : " + e); 1111 continue; 1112 } 1113 } 1114 } 1115 } 1116 return routes.toArray(new RouteInfo[routes.size()]); 1117 } 1118 1119 @Override 1120 public void setMtu(String iface, int mtu) { 1121 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1122 1123 final NativeDaemonEvent event; 1124 try { 1125 event = mConnector.execute("interface", "setmtu", iface, mtu); 1126 } catch (NativeDaemonConnectorException e) { 1127 throw e.rethrowAsParcelableException(); 1128 } 1129 } 1130 1131 @Override 1132 public void shutdown() { 1133 // TODO: remove from aidl if nobody calls externally 1134 mContext.enforceCallingOrSelfPermission(SHUTDOWN, TAG); 1135 1136 Slog.d(TAG, "Shutting down"); 1137 } 1138 1139 @Override 1140 public boolean getIpForwardingEnabled() throws IllegalStateException{ 1141 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1142 1143 final NativeDaemonEvent event; 1144 try { 1145 event = mConnector.execute("ipfwd", "status"); 1146 } catch (NativeDaemonConnectorException e) { 1147 throw e.rethrowAsParcelableException(); 1148 } 1149 1150 // 211 Forwarding enabled 1151 event.checkCode(IpFwdStatusResult); 1152 return event.getMessage().endsWith("enabled"); 1153 } 1154 1155 @Override 1156 public void setIpForwardingEnabled(boolean enable) { 1157 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1158 try { 1159 mConnector.execute("ipfwd", enable ? "enable" : "disable"); 1160 } catch (NativeDaemonConnectorException e) { 1161 throw e.rethrowAsParcelableException(); 1162 } 1163 } 1164 1165 @Override 1166 public void startTethering(String[] dhcpRange) { 1167 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1168 // cmd is "tether start first_start first_stop second_start second_stop ..." 1169 // an odd number of addrs will fail 1170 1171 final Command cmd = new Command("tether", "start"); 1172 for (String d : dhcpRange) { 1173 cmd.appendArg(d); 1174 } 1175 1176 try { 1177 mConnector.execute(cmd); 1178 } catch (NativeDaemonConnectorException e) { 1179 throw e.rethrowAsParcelableException(); 1180 } 1181 } 1182 1183 @Override 1184 public void stopTethering() { 1185 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1186 try { 1187 mConnector.execute("tether", "stop"); 1188 } catch (NativeDaemonConnectorException e) { 1189 throw e.rethrowAsParcelableException(); 1190 } 1191 } 1192 1193 @Override 1194 public boolean isTetheringStarted() { 1195 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1196 1197 final NativeDaemonEvent event; 1198 try { 1199 event = mConnector.execute("tether", "status"); 1200 } catch (NativeDaemonConnectorException e) { 1201 throw e.rethrowAsParcelableException(); 1202 } 1203 1204 // 210 Tethering services started 1205 event.checkCode(TetherStatusResult); 1206 return event.getMessage().endsWith("started"); 1207 } 1208 1209 @Override 1210 public void tetherInterface(String iface) { 1211 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1212 try { 1213 mConnector.execute("tether", "interface", "add", iface); 1214 } catch (NativeDaemonConnectorException e) { 1215 throw e.rethrowAsParcelableException(); 1216 } 1217 List<RouteInfo> routes = new ArrayList<RouteInfo>(); 1218 // The RouteInfo constructor truncates the LinkAddress to a network prefix, thus making it 1219 // suitable to use as a route destination. 1220 routes.add(new RouteInfo(getInterfaceConfig(iface).getLinkAddress(), null, iface)); 1221 addInterfaceToLocalNetwork(iface, routes); 1222 } 1223 1224 @Override 1225 public void untetherInterface(String iface) { 1226 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1227 try { 1228 mConnector.execute("tether", "interface", "remove", iface); 1229 } catch (NativeDaemonConnectorException e) { 1230 throw e.rethrowAsParcelableException(); 1231 } 1232 removeInterfaceFromLocalNetwork(iface); 1233 } 1234 1235 @Override 1236 public String[] listTetheredInterfaces() { 1237 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1238 try { 1239 return NativeDaemonEvent.filterMessageList( 1240 mConnector.executeForList("tether", "interface", "list"), 1241 TetherInterfaceListResult); 1242 } catch (NativeDaemonConnectorException e) { 1243 throw e.rethrowAsParcelableException(); 1244 } 1245 } 1246 1247 @Override 1248 public void setDnsForwarders(Network network, String[] dns) { 1249 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1250 1251 int netId = (network != null) ? network.netId : ConnectivityManager.NETID_UNSET; 1252 final Command cmd = new Command("tether", "dns", "set", netId); 1253 1254 for (String s : dns) { 1255 cmd.appendArg(NetworkUtils.numericToInetAddress(s).getHostAddress()); 1256 } 1257 1258 try { 1259 mConnector.execute(cmd); 1260 } catch (NativeDaemonConnectorException e) { 1261 throw e.rethrowAsParcelableException(); 1262 } 1263 } 1264 1265 @Override 1266 public String[] getDnsForwarders() { 1267 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1268 try { 1269 return NativeDaemonEvent.filterMessageList( 1270 mConnector.executeForList("tether", "dns", "list"), TetherDnsFwdTgtListResult); 1271 } catch (NativeDaemonConnectorException e) { 1272 throw e.rethrowAsParcelableException(); 1273 } 1274 } 1275 1276 private List<InterfaceAddress> excludeLinkLocal(List<InterfaceAddress> addresses) { 1277 ArrayList<InterfaceAddress> filtered = new ArrayList<InterfaceAddress>(addresses.size()); 1278 for (InterfaceAddress ia : addresses) { 1279 if (!ia.getAddress().isLinkLocalAddress()) 1280 filtered.add(ia); 1281 } 1282 return filtered; 1283 } 1284 1285 private void modifyNat(String action, String internalInterface, String externalInterface) 1286 throws SocketException { 1287 final Command cmd = new Command("nat", action, internalInterface, externalInterface); 1288 1289 final NetworkInterface internalNetworkInterface = NetworkInterface.getByName( 1290 internalInterface); 1291 if (internalNetworkInterface == null) { 1292 cmd.appendArg("0"); 1293 } else { 1294 // Don't touch link-local routes, as link-local addresses aren't routable, 1295 // kernel creates link-local routes on all interfaces automatically 1296 List<InterfaceAddress> interfaceAddresses = excludeLinkLocal( 1297 internalNetworkInterface.getInterfaceAddresses()); 1298 cmd.appendArg(interfaceAddresses.size()); 1299 for (InterfaceAddress ia : interfaceAddresses) { 1300 InetAddress addr = NetworkUtils.getNetworkPart( 1301 ia.getAddress(), ia.getNetworkPrefixLength()); 1302 cmd.appendArg(addr.getHostAddress() + "/" + ia.getNetworkPrefixLength()); 1303 } 1304 } 1305 1306 try { 1307 mConnector.execute(cmd); 1308 } catch (NativeDaemonConnectorException e) { 1309 throw e.rethrowAsParcelableException(); 1310 } 1311 } 1312 1313 @Override 1314 public void enableNat(String internalInterface, String externalInterface) { 1315 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1316 try { 1317 modifyNat("enable", internalInterface, externalInterface); 1318 } catch (SocketException e) { 1319 throw new IllegalStateException(e); 1320 } 1321 } 1322 1323 @Override 1324 public void disableNat(String internalInterface, String externalInterface) { 1325 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1326 try { 1327 modifyNat("disable", internalInterface, externalInterface); 1328 } catch (SocketException e) { 1329 throw new IllegalStateException(e); 1330 } 1331 } 1332 1333 @Override 1334 public String[] listTtys() { 1335 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1336 try { 1337 return NativeDaemonEvent.filterMessageList( 1338 mConnector.executeForList("list_ttys"), TtyListResult); 1339 } catch (NativeDaemonConnectorException e) { 1340 throw e.rethrowAsParcelableException(); 1341 } 1342 } 1343 1344 @Override 1345 public void attachPppd( 1346 String tty, String localAddr, String remoteAddr, String dns1Addr, String dns2Addr) { 1347 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1348 try { 1349 mConnector.execute("pppd", "attach", tty, 1350 NetworkUtils.numericToInetAddress(localAddr).getHostAddress(), 1351 NetworkUtils.numericToInetAddress(remoteAddr).getHostAddress(), 1352 NetworkUtils.numericToInetAddress(dns1Addr).getHostAddress(), 1353 NetworkUtils.numericToInetAddress(dns2Addr).getHostAddress()); 1354 } catch (NativeDaemonConnectorException e) { 1355 throw e.rethrowAsParcelableException(); 1356 } 1357 } 1358 1359 @Override 1360 public void detachPppd(String tty) { 1361 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1362 try { 1363 mConnector.execute("pppd", "detach", tty); 1364 } catch (NativeDaemonConnectorException e) { 1365 throw e.rethrowAsParcelableException(); 1366 } 1367 } 1368 1369 @Override 1370 public void startAccessPoint( 1371 WifiConfiguration wifiConfig, String wlanIface) { 1372 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1373 try { 1374 wifiFirmwareReload(wlanIface, "AP"); 1375 if (wifiConfig == null) { 1376 mConnector.execute("softap", "set", wlanIface); 1377 } else { 1378 mConnector.execute("softap", "set", wlanIface, wifiConfig.SSID, 1379 "broadcast", "6", getSecurityType(wifiConfig), 1380 new SensitiveArg(wifiConfig.preSharedKey)); 1381 } 1382 mConnector.execute("softap", "startap"); 1383 } catch (NativeDaemonConnectorException e) { 1384 throw e.rethrowAsParcelableException(); 1385 } 1386 } 1387 1388 private static String getSecurityType(WifiConfiguration wifiConfig) { 1389 switch (wifiConfig.getAuthType()) { 1390 case KeyMgmt.WPA_PSK: 1391 return "wpa-psk"; 1392 case KeyMgmt.WPA2_PSK: 1393 return "wpa2-psk"; 1394 default: 1395 return "open"; 1396 } 1397 } 1398 1399 /* @param mode can be "AP", "STA" or "P2P" */ 1400 @Override 1401 public void wifiFirmwareReload(String wlanIface, String mode) { 1402 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1403 try { 1404 mConnector.execute("softap", "fwreload", wlanIface, mode); 1405 } catch (NativeDaemonConnectorException e) { 1406 throw e.rethrowAsParcelableException(); 1407 } 1408 } 1409 1410 @Override 1411 public void stopAccessPoint(String wlanIface) { 1412 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1413 try { 1414 mConnector.execute("softap", "stopap"); 1415 wifiFirmwareReload(wlanIface, "STA"); 1416 } catch (NativeDaemonConnectorException e) { 1417 throw e.rethrowAsParcelableException(); 1418 } 1419 } 1420 1421 @Override 1422 public void setAccessPoint(WifiConfiguration wifiConfig, String wlanIface) { 1423 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1424 try { 1425 if (wifiConfig == null) { 1426 mConnector.execute("softap", "set", wlanIface); 1427 } else { 1428 mConnector.execute("softap", "set", wlanIface, wifiConfig.SSID, 1429 "broadcast", "6", getSecurityType(wifiConfig), 1430 new SensitiveArg(wifiConfig.preSharedKey)); 1431 } 1432 } catch (NativeDaemonConnectorException e) { 1433 throw e.rethrowAsParcelableException(); 1434 } 1435 } 1436 1437 @Override 1438 public void addIdleTimer(String iface, int timeout, final int type) { 1439 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1440 1441 if (DBG) Slog.d(TAG, "Adding idletimer"); 1442 1443 synchronized (mIdleTimerLock) { 1444 IdleTimerParams params = mActiveIdleTimers.get(iface); 1445 if (params != null) { 1446 // the interface already has idletimer, update network count 1447 params.networkCount++; 1448 return; 1449 } 1450 1451 try { 1452 mConnector.execute("idletimer", "add", iface, Integer.toString(timeout), 1453 Integer.toString(type)); 1454 } catch (NativeDaemonConnectorException e) { 1455 throw e.rethrowAsParcelableException(); 1456 } 1457 mActiveIdleTimers.put(iface, new IdleTimerParams(timeout, type)); 1458 1459 // Networks start up. 1460 if (ConnectivityManager.isNetworkTypeMobile(type)) { 1461 mNetworkActive = false; 1462 } 1463 mDaemonHandler.post(new Runnable() { 1464 @Override public void run() { 1465 notifyInterfaceClassActivity(type, 1466 DataConnectionRealTimeInfo.DC_POWER_STATE_HIGH, 1467 SystemClock.elapsedRealtimeNanos(), false); 1468 } 1469 }); 1470 } 1471 } 1472 1473 @Override 1474 public void removeIdleTimer(String iface) { 1475 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1476 1477 if (DBG) Slog.d(TAG, "Removing idletimer"); 1478 1479 synchronized (mIdleTimerLock) { 1480 final IdleTimerParams params = mActiveIdleTimers.get(iface); 1481 if (params == null || --(params.networkCount) > 0) { 1482 return; 1483 } 1484 1485 try { 1486 mConnector.execute("idletimer", "remove", iface, 1487 Integer.toString(params.timeout), Integer.toString(params.type)); 1488 } catch (NativeDaemonConnectorException e) { 1489 throw e.rethrowAsParcelableException(); 1490 } 1491 mActiveIdleTimers.remove(iface); 1492 mDaemonHandler.post(new Runnable() { 1493 @Override public void run() { 1494 notifyInterfaceClassActivity(params.type, 1495 DataConnectionRealTimeInfo.DC_POWER_STATE_LOW, 1496 SystemClock.elapsedRealtimeNanos(), false); 1497 } 1498 }); 1499 } 1500 } 1501 1502 @Override 1503 public NetworkStats getNetworkStatsSummaryDev() { 1504 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1505 try { 1506 return mStatsFactory.readNetworkStatsSummaryDev(); 1507 } catch (IOException e) { 1508 throw new IllegalStateException(e); 1509 } 1510 } 1511 1512 @Override 1513 public NetworkStats getNetworkStatsSummaryXt() { 1514 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1515 try { 1516 return mStatsFactory.readNetworkStatsSummaryXt(); 1517 } catch (IOException e) { 1518 throw new IllegalStateException(e); 1519 } 1520 } 1521 1522 @Override 1523 public NetworkStats getNetworkStatsDetail() { 1524 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1525 try { 1526 return mStatsFactory.readNetworkStatsDetail(UID_ALL, null, TAG_ALL, null); 1527 } catch (IOException e) { 1528 throw new IllegalStateException(e); 1529 } 1530 } 1531 1532 @Override 1533 public void setInterfaceQuota(String iface, long quotaBytes) { 1534 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1535 1536 // silently discard when control disabled 1537 // TODO: eventually migrate to be always enabled 1538 if (!mBandwidthControlEnabled) return; 1539 1540 synchronized (mQuotaLock) { 1541 if (mActiveQuotas.containsKey(iface)) { 1542 throw new IllegalStateException("iface " + iface + " already has quota"); 1543 } 1544 1545 try { 1546 // TODO: support quota shared across interfaces 1547 mConnector.execute("bandwidth", "setiquota", iface, quotaBytes); 1548 mActiveQuotas.put(iface, quotaBytes); 1549 } catch (NativeDaemonConnectorException e) { 1550 throw e.rethrowAsParcelableException(); 1551 } 1552 } 1553 } 1554 1555 @Override 1556 public void removeInterfaceQuota(String iface) { 1557 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1558 1559 // silently discard when control disabled 1560 // TODO: eventually migrate to be always enabled 1561 if (!mBandwidthControlEnabled) return; 1562 1563 synchronized (mQuotaLock) { 1564 if (!mActiveQuotas.containsKey(iface)) { 1565 // TODO: eventually consider throwing 1566 return; 1567 } 1568 1569 mActiveQuotas.remove(iface); 1570 mActiveAlerts.remove(iface); 1571 1572 try { 1573 // TODO: support quota shared across interfaces 1574 mConnector.execute("bandwidth", "removeiquota", iface); 1575 } catch (NativeDaemonConnectorException e) { 1576 throw e.rethrowAsParcelableException(); 1577 } 1578 } 1579 } 1580 1581 @Override 1582 public void setInterfaceAlert(String iface, long alertBytes) { 1583 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1584 1585 // silently discard when control disabled 1586 // TODO: eventually migrate to be always enabled 1587 if (!mBandwidthControlEnabled) return; 1588 1589 // quick sanity check 1590 if (!mActiveQuotas.containsKey(iface)) { 1591 throw new IllegalStateException("setting alert requires existing quota on iface"); 1592 } 1593 1594 synchronized (mQuotaLock) { 1595 if (mActiveAlerts.containsKey(iface)) { 1596 throw new IllegalStateException("iface " + iface + " already has alert"); 1597 } 1598 1599 try { 1600 // TODO: support alert shared across interfaces 1601 mConnector.execute("bandwidth", "setinterfacealert", iface, alertBytes); 1602 mActiveAlerts.put(iface, alertBytes); 1603 } catch (NativeDaemonConnectorException e) { 1604 throw e.rethrowAsParcelableException(); 1605 } 1606 } 1607 } 1608 1609 @Override 1610 public void removeInterfaceAlert(String iface) { 1611 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1612 1613 // silently discard when control disabled 1614 // TODO: eventually migrate to be always enabled 1615 if (!mBandwidthControlEnabled) return; 1616 1617 synchronized (mQuotaLock) { 1618 if (!mActiveAlerts.containsKey(iface)) { 1619 // TODO: eventually consider throwing 1620 return; 1621 } 1622 1623 try { 1624 // TODO: support alert shared across interfaces 1625 mConnector.execute("bandwidth", "removeinterfacealert", iface); 1626 mActiveAlerts.remove(iface); 1627 } catch (NativeDaemonConnectorException e) { 1628 throw e.rethrowAsParcelableException(); 1629 } 1630 } 1631 } 1632 1633 @Override 1634 public void setGlobalAlert(long alertBytes) { 1635 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1636 1637 // silently discard when control disabled 1638 // TODO: eventually migrate to be always enabled 1639 if (!mBandwidthControlEnabled) return; 1640 1641 try { 1642 mConnector.execute("bandwidth", "setglobalalert", alertBytes); 1643 } catch (NativeDaemonConnectorException e) { 1644 throw e.rethrowAsParcelableException(); 1645 } 1646 } 1647 1648 @Override 1649 public void setUidNetworkRules(int uid, boolean rejectOnQuotaInterfaces) { 1650 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1651 1652 // silently discard when control disabled 1653 // TODO: eventually migrate to be always enabled 1654 if (!mBandwidthControlEnabled) return; 1655 1656 synchronized (mQuotaLock) { 1657 final boolean oldRejectOnQuota = mUidRejectOnQuota.get(uid, false); 1658 if (oldRejectOnQuota == rejectOnQuotaInterfaces) { 1659 // TODO: eventually consider throwing 1660 return; 1661 } 1662 1663 try { 1664 mConnector.execute("bandwidth", 1665 rejectOnQuotaInterfaces ? "addnaughtyapps" : "removenaughtyapps", uid); 1666 if (rejectOnQuotaInterfaces) { 1667 mUidRejectOnQuota.put(uid, true); 1668 } else { 1669 mUidRejectOnQuota.delete(uid); 1670 } 1671 } catch (NativeDaemonConnectorException e) { 1672 throw e.rethrowAsParcelableException(); 1673 } 1674 } 1675 } 1676 1677 @Override 1678 public void setUidCleartextNetworkPolicy(int uid, int policy) { 1679 if (Binder.getCallingUid() != uid) { 1680 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1681 } 1682 1683 synchronized (mQuotaLock) { 1684 final int oldPolicy = mUidCleartextPolicy.get(uid, StrictMode.NETWORK_POLICY_ACCEPT); 1685 if (oldPolicy == policy) { 1686 return; 1687 } 1688 1689 if (!mStrictEnabled) { 1690 // Module isn't enabled yet; stash the requested policy away to 1691 // apply later once the daemon is connected. 1692 mUidCleartextPolicy.put(uid, policy); 1693 return; 1694 } 1695 1696 final String policyString; 1697 switch (policy) { 1698 case StrictMode.NETWORK_POLICY_ACCEPT: 1699 policyString = "accept"; 1700 break; 1701 case StrictMode.NETWORK_POLICY_LOG: 1702 policyString = "log"; 1703 break; 1704 case StrictMode.NETWORK_POLICY_REJECT: 1705 policyString = "reject"; 1706 break; 1707 default: 1708 throw new IllegalArgumentException("Unknown policy " + policy); 1709 } 1710 1711 try { 1712 mConnector.execute("strict", "set_uid_cleartext_policy", uid, policyString); 1713 mUidCleartextPolicy.put(uid, policy); 1714 } catch (NativeDaemonConnectorException e) { 1715 throw e.rethrowAsParcelableException(); 1716 } 1717 } 1718 } 1719 1720 @Override 1721 public boolean isBandwidthControlEnabled() { 1722 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1723 return mBandwidthControlEnabled; 1724 } 1725 1726 @Override 1727 public NetworkStats getNetworkStatsUidDetail(int uid) { 1728 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1729 try { 1730 return mStatsFactory.readNetworkStatsDetail(uid, null, TAG_ALL, null); 1731 } catch (IOException e) { 1732 throw new IllegalStateException(e); 1733 } 1734 } 1735 1736 @Override 1737 public NetworkStats getNetworkStatsTethering() { 1738 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1739 1740 final NetworkStats stats = new NetworkStats(SystemClock.elapsedRealtime(), 1); 1741 try { 1742 final NativeDaemonEvent[] events = mConnector.executeForList( 1743 "bandwidth", "gettetherstats"); 1744 for (NativeDaemonEvent event : events) { 1745 if (event.getCode() != TetheringStatsListResult) continue; 1746 1747 // 114 ifaceIn ifaceOut rx_bytes rx_packets tx_bytes tx_packets 1748 final StringTokenizer tok = new StringTokenizer(event.getMessage()); 1749 try { 1750 final String ifaceIn = tok.nextToken(); 1751 final String ifaceOut = tok.nextToken(); 1752 1753 final NetworkStats.Entry entry = new NetworkStats.Entry(); 1754 entry.iface = ifaceOut; 1755 entry.uid = UID_TETHERING; 1756 entry.set = SET_DEFAULT; 1757 entry.tag = TAG_NONE; 1758 entry.rxBytes = Long.parseLong(tok.nextToken()); 1759 entry.rxPackets = Long.parseLong(tok.nextToken()); 1760 entry.txBytes = Long.parseLong(tok.nextToken()); 1761 entry.txPackets = Long.parseLong(tok.nextToken()); 1762 stats.combineValues(entry); 1763 } catch (NoSuchElementException e) { 1764 throw new IllegalStateException("problem parsing tethering stats: " + event); 1765 } catch (NumberFormatException e) { 1766 throw new IllegalStateException("problem parsing tethering stats: " + event); 1767 } 1768 } 1769 } catch (NativeDaemonConnectorException e) { 1770 throw e.rethrowAsParcelableException(); 1771 } 1772 return stats; 1773 } 1774 1775 @Override 1776 public void setDnsServersForNetwork(int netId, String[] servers, String domains) { 1777 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1778 1779 final Command cmd = new Command("resolver", "setnetdns", netId, 1780 (domains == null ? "" : domains)); 1781 1782 for (String s : servers) { 1783 InetAddress a = NetworkUtils.numericToInetAddress(s); 1784 if (a.isAnyLocalAddress() == false) { 1785 cmd.appendArg(a.getHostAddress()); 1786 } 1787 } 1788 1789 try { 1790 mConnector.execute(cmd); 1791 } catch (NativeDaemonConnectorException e) { 1792 throw e.rethrowAsParcelableException(); 1793 } 1794 } 1795 1796 @Override 1797 public void addVpnUidRanges(int netId, UidRange[] ranges) { 1798 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1799 Object[] argv = new Object[3 + MAX_UID_RANGES_PER_COMMAND]; 1800 argv[0] = "users"; 1801 argv[1] = "add"; 1802 argv[2] = netId; 1803 int argc = 3; 1804 // Avoid overly long commands by limiting number of UID ranges per command. 1805 for (int i = 0; i < ranges.length; i++) { 1806 argv[argc++] = ranges[i].toString(); 1807 if (i == (ranges.length - 1) || argc == argv.length) { 1808 try { 1809 mConnector.execute("network", Arrays.copyOf(argv, argc)); 1810 } catch (NativeDaemonConnectorException e) { 1811 throw e.rethrowAsParcelableException(); 1812 } 1813 argc = 3; 1814 } 1815 } 1816 } 1817 1818 @Override 1819 public void removeVpnUidRanges(int netId, UidRange[] ranges) { 1820 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1821 Object[] argv = new Object[3 + MAX_UID_RANGES_PER_COMMAND]; 1822 argv[0] = "users"; 1823 argv[1] = "remove"; 1824 argv[2] = netId; 1825 int argc = 3; 1826 // Avoid overly long commands by limiting number of UID ranges per command. 1827 for (int i = 0; i < ranges.length; i++) { 1828 argv[argc++] = ranges[i].toString(); 1829 if (i == (ranges.length - 1) || argc == argv.length) { 1830 try { 1831 mConnector.execute("network", Arrays.copyOf(argv, argc)); 1832 } catch (NativeDaemonConnectorException e) { 1833 throw e.rethrowAsParcelableException(); 1834 } 1835 argc = 3; 1836 } 1837 } 1838 } 1839 1840 @Override 1841 public void flushNetworkDnsCache(int netId) { 1842 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1843 try { 1844 mConnector.execute("resolver", "flushnet", netId); 1845 } catch (NativeDaemonConnectorException e) { 1846 throw e.rethrowAsParcelableException(); 1847 } 1848 } 1849 1850 @Override 1851 public void setFirewallEnabled(boolean enabled) { 1852 enforceSystemUid(); 1853 try { 1854 mConnector.execute("firewall", enabled ? "enable" : "disable"); 1855 mFirewallEnabled = enabled; 1856 } catch (NativeDaemonConnectorException e) { 1857 throw e.rethrowAsParcelableException(); 1858 } 1859 } 1860 1861 @Override 1862 public boolean isFirewallEnabled() { 1863 enforceSystemUid(); 1864 return mFirewallEnabled; 1865 } 1866 1867 @Override 1868 public void setFirewallInterfaceRule(String iface, boolean allow) { 1869 enforceSystemUid(); 1870 Preconditions.checkState(mFirewallEnabled); 1871 final String rule = allow ? "allow" : "deny"; 1872 try { 1873 mConnector.execute("firewall", "set_interface_rule", iface, rule); 1874 } catch (NativeDaemonConnectorException e) { 1875 throw e.rethrowAsParcelableException(); 1876 } 1877 } 1878 1879 @Override 1880 public void setFirewallEgressSourceRule(String addr, boolean allow) { 1881 enforceSystemUid(); 1882 Preconditions.checkState(mFirewallEnabled); 1883 final String rule = allow ? "allow" : "deny"; 1884 try { 1885 mConnector.execute("firewall", "set_egress_source_rule", addr, rule); 1886 } catch (NativeDaemonConnectorException e) { 1887 throw e.rethrowAsParcelableException(); 1888 } 1889 } 1890 1891 @Override 1892 public void setFirewallEgressDestRule(String addr, int port, boolean allow) { 1893 enforceSystemUid(); 1894 Preconditions.checkState(mFirewallEnabled); 1895 final String rule = allow ? "allow" : "deny"; 1896 try { 1897 mConnector.execute("firewall", "set_egress_dest_rule", addr, port, rule); 1898 } catch (NativeDaemonConnectorException e) { 1899 throw e.rethrowAsParcelableException(); 1900 } 1901 } 1902 1903 @Override 1904 public void setFirewallUidRule(int uid, boolean allow) { 1905 enforceSystemUid(); 1906 Preconditions.checkState(mFirewallEnabled); 1907 final String rule = allow ? "allow" : "deny"; 1908 try { 1909 mConnector.execute("firewall", "set_uid_rule", uid, rule); 1910 } catch (NativeDaemonConnectorException e) { 1911 throw e.rethrowAsParcelableException(); 1912 } 1913 } 1914 1915 private static void enforceSystemUid() { 1916 final int uid = Binder.getCallingUid(); 1917 if (uid != Process.SYSTEM_UID) { 1918 throw new SecurityException("Only available to AID_SYSTEM"); 1919 } 1920 } 1921 1922 @Override 1923 public void startClatd(String interfaceName) throws IllegalStateException { 1924 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1925 1926 try { 1927 mConnector.execute("clatd", "start", interfaceName); 1928 } catch (NativeDaemonConnectorException e) { 1929 throw e.rethrowAsParcelableException(); 1930 } 1931 } 1932 1933 @Override 1934 public void stopClatd() throws IllegalStateException { 1935 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1936 1937 try { 1938 mConnector.execute("clatd", "stop"); 1939 } catch (NativeDaemonConnectorException e) { 1940 throw e.rethrowAsParcelableException(); 1941 } 1942 } 1943 1944 @Override 1945 public boolean isClatdStarted() { 1946 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1947 1948 final NativeDaemonEvent event; 1949 try { 1950 event = mConnector.execute("clatd", "status"); 1951 } catch (NativeDaemonConnectorException e) { 1952 throw e.rethrowAsParcelableException(); 1953 } 1954 1955 event.checkCode(ClatdStatusResult); 1956 return event.getMessage().endsWith("started"); 1957 } 1958 1959 @Override 1960 public void registerNetworkActivityListener(INetworkActivityListener listener) { 1961 mNetworkActivityListeners.register(listener); 1962 } 1963 1964 @Override 1965 public void unregisterNetworkActivityListener(INetworkActivityListener listener) { 1966 mNetworkActivityListeners.unregister(listener); 1967 } 1968 1969 @Override 1970 public boolean isNetworkActive() { 1971 synchronized (mNetworkActivityListeners) { 1972 return mNetworkActive || mActiveIdleTimers.isEmpty(); 1973 } 1974 } 1975 1976 private void reportNetworkActive() { 1977 final int length = mNetworkActivityListeners.beginBroadcast(); 1978 try { 1979 for (int i = 0; i < length; i++) { 1980 try { 1981 mNetworkActivityListeners.getBroadcastItem(i).onNetworkActive(); 1982 } catch (RemoteException e) { 1983 } catch (RuntimeException e) { 1984 } 1985 } 1986 } finally { 1987 mNetworkActivityListeners.finishBroadcast(); 1988 } 1989 } 1990 1991 /** {@inheritDoc} */ 1992 @Override 1993 public void monitor() { 1994 if (mConnector != null) { 1995 mConnector.monitor(); 1996 } 1997 } 1998 1999 @Override 2000 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 2001 mContext.enforceCallingOrSelfPermission(DUMP, TAG); 2002 2003 pw.println("NetworkManagementService NativeDaemonConnector Log:"); 2004 mConnector.dump(fd, pw, args); 2005 pw.println(); 2006 2007 pw.print("Bandwidth control enabled: "); pw.println(mBandwidthControlEnabled); 2008 pw.print("mMobileActivityFromRadio="); pw.print(mMobileActivityFromRadio); 2009 pw.print(" mLastPowerStateFromRadio="); pw.println(mLastPowerStateFromRadio); 2010 pw.print("mNetworkActive="); pw.println(mNetworkActive); 2011 2012 synchronized (mQuotaLock) { 2013 pw.print("Active quota ifaces: "); pw.println(mActiveQuotas.toString()); 2014 pw.print("Active alert ifaces: "); pw.println(mActiveAlerts.toString()); 2015 } 2016 2017 synchronized (mUidRejectOnQuota) { 2018 pw.print("UID reject on quota ifaces: ["); 2019 final int size = mUidRejectOnQuota.size(); 2020 for (int i = 0; i < size; i++) { 2021 pw.print(mUidRejectOnQuota.keyAt(i)); 2022 if (i < size - 1) pw.print(","); 2023 } 2024 pw.println("]"); 2025 } 2026 2027 synchronized (mIdleTimerLock) { 2028 pw.println("Idle timers:"); 2029 for (HashMap.Entry<String, IdleTimerParams> ent : mActiveIdleTimers.entrySet()) { 2030 pw.print(" "); pw.print(ent.getKey()); pw.println(":"); 2031 IdleTimerParams params = ent.getValue(); 2032 pw.print(" timeout="); pw.print(params.timeout); 2033 pw.print(" type="); pw.print(params.type); 2034 pw.print(" networkCount="); pw.println(params.networkCount); 2035 } 2036 } 2037 2038 pw.print("Firewall enabled: "); pw.println(mFirewallEnabled); 2039 } 2040 2041 @Override 2042 public void createPhysicalNetwork(int netId) { 2043 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 2044 2045 try { 2046 mConnector.execute("network", "create", netId); 2047 } catch (NativeDaemonConnectorException e) { 2048 throw e.rethrowAsParcelableException(); 2049 } 2050 } 2051 2052 @Override 2053 public void createVirtualNetwork(int netId, boolean hasDNS, boolean secure) { 2054 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 2055 2056 try { 2057 mConnector.execute("network", "create", netId, "vpn", hasDNS ? "1" : "0", 2058 secure ? "1" : "0"); 2059 } catch (NativeDaemonConnectorException e) { 2060 throw e.rethrowAsParcelableException(); 2061 } 2062 } 2063 2064 @Override 2065 public void removeNetwork(int netId) { 2066 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 2067 2068 try { 2069 mConnector.execute("network", "destroy", netId); 2070 } catch (NativeDaemonConnectorException e) { 2071 throw e.rethrowAsParcelableException(); 2072 } 2073 } 2074 2075 @Override 2076 public void addInterfaceToNetwork(String iface, int netId) { 2077 modifyInterfaceInNetwork("add", "" + netId, iface); 2078 } 2079 2080 @Override 2081 public void removeInterfaceFromNetwork(String iface, int netId) { 2082 modifyInterfaceInNetwork("remove", "" + netId, iface); 2083 } 2084 2085 private void modifyInterfaceInNetwork(String action, String netId, String iface) { 2086 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 2087 try { 2088 mConnector.execute("network", "interface", action, netId, iface); 2089 } catch (NativeDaemonConnectorException e) { 2090 throw e.rethrowAsParcelableException(); 2091 } 2092 } 2093 2094 @Override 2095 public void addLegacyRouteForNetId(int netId, RouteInfo routeInfo, int uid) { 2096 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 2097 2098 final Command cmd = new Command("network", "route", "legacy", uid, "add", netId); 2099 2100 // create triplet: interface dest-ip-addr/prefixlength gateway-ip-addr 2101 final LinkAddress la = routeInfo.getDestinationLinkAddress(); 2102 cmd.appendArg(routeInfo.getInterface()); 2103 cmd.appendArg(la.getAddress().getHostAddress() + "/" + la.getPrefixLength()); 2104 if (routeInfo.hasGateway()) { 2105 cmd.appendArg(routeInfo.getGateway().getHostAddress()); 2106 } 2107 2108 try { 2109 mConnector.execute(cmd); 2110 } catch (NativeDaemonConnectorException e) { 2111 throw e.rethrowAsParcelableException(); 2112 } 2113 } 2114 2115 @Override 2116 public void setDefaultNetId(int netId) { 2117 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 2118 2119 try { 2120 mConnector.execute("network", "default", "set", netId); 2121 } catch (NativeDaemonConnectorException e) { 2122 throw e.rethrowAsParcelableException(); 2123 } 2124 } 2125 2126 @Override 2127 public void clearDefaultNetId() { 2128 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 2129 2130 try { 2131 mConnector.execute("network", "default", "clear"); 2132 } catch (NativeDaemonConnectorException e) { 2133 throw e.rethrowAsParcelableException(); 2134 } 2135 } 2136 2137 @Override 2138 public void setPermission(String permission, int[] uids) { 2139 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 2140 2141 Object[] argv = new Object[4 + MAX_UID_RANGES_PER_COMMAND]; 2142 argv[0] = "permission"; 2143 argv[1] = "user"; 2144 argv[2] = "set"; 2145 argv[3] = permission; 2146 int argc = 4; 2147 // Avoid overly long commands by limiting number of UIDs per command. 2148 for (int i = 0; i < uids.length; ++i) { 2149 argv[argc++] = uids[i]; 2150 if (i == uids.length - 1 || argc == argv.length) { 2151 try { 2152 mConnector.execute("network", Arrays.copyOf(argv, argc)); 2153 } catch (NativeDaemonConnectorException e) { 2154 throw e.rethrowAsParcelableException(); 2155 } 2156 argc = 4; 2157 } 2158 } 2159 } 2160 2161 @Override 2162 public void clearPermission(int[] uids) { 2163 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 2164 2165 Object[] argv = new Object[3 + MAX_UID_RANGES_PER_COMMAND]; 2166 argv[0] = "permission"; 2167 argv[1] = "user"; 2168 argv[2] = "clear"; 2169 int argc = 3; 2170 // Avoid overly long commands by limiting number of UIDs per command. 2171 for (int i = 0; i < uids.length; ++i) { 2172 argv[argc++] = uids[i]; 2173 if (i == uids.length - 1 || argc == argv.length) { 2174 try { 2175 mConnector.execute("network", Arrays.copyOf(argv, argc)); 2176 } catch (NativeDaemonConnectorException e) { 2177 throw e.rethrowAsParcelableException(); 2178 } 2179 argc = 3; 2180 } 2181 } 2182 } 2183 2184 @Override 2185 public void allowProtect(int uid) { 2186 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 2187 2188 try { 2189 mConnector.execute("network", "protect", "allow", uid); 2190 } catch (NativeDaemonConnectorException e) { 2191 throw e.rethrowAsParcelableException(); 2192 } 2193 } 2194 2195 @Override 2196 public void denyProtect(int uid) { 2197 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 2198 2199 try { 2200 mConnector.execute("network", "protect", "deny", uid); 2201 } catch (NativeDaemonConnectorException e) { 2202 throw e.rethrowAsParcelableException(); 2203 } 2204 } 2205 2206 @Override 2207 public void addInterfaceToLocalNetwork(String iface, List<RouteInfo> routes) { 2208 modifyInterfaceInNetwork("add", "local", iface); 2209 2210 for (RouteInfo route : routes) { 2211 if (!route.isDefaultRoute()) { 2212 modifyRoute("add", "local", route); 2213 } 2214 } 2215 } 2216 2217 @Override 2218 public void removeInterfaceFromLocalNetwork(String iface) { 2219 modifyInterfaceInNetwork("remove", "local", iface); 2220 } 2221} 2222