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 17 package com.android.server; 18 19 import static android.Manifest.permission.CONNECTIVITY_INTERNAL; 20 import static android.Manifest.permission.DUMP; 21 import static android.Manifest.permission.SHUTDOWN; 22 import static android.net.NetworkStats.SET_DEFAULT; 23 import static android.net.NetworkStats.TAG_ALL; 24 import static android.net.NetworkStats.TAG_NONE; 25 import static android.net.NetworkStats.UID_ALL; 26 import static android.net.TrafficStats.UID_TETHERING; 27 import static android.net.RouteInfo.RTN_THROW; 28 import static android.net.RouteInfo.RTN_UNICAST; 29 import static android.net.RouteInfo.RTN_UNREACHABLE; 30 import static com.android.server.NetworkManagementService.NetdResponseCode.ClatdStatusResult; 31 import static com.android.server.NetworkManagementService.NetdResponseCode.InterfaceGetCfgResult; 32 import static com.android.server.NetworkManagementService.NetdResponseCode.InterfaceListResult; 33 import static com.android.server.NetworkManagementService.NetdResponseCode.IpFwdStatusResult; 34 import static com.android.server.NetworkManagementService.NetdResponseCode.TetherDnsFwdTgtListResult; 35 import static com.android.server.NetworkManagementService.NetdResponseCode.TetherInterfaceListResult; 36 import static com.android.server.NetworkManagementService.NetdResponseCode.TetherStatusResult; 37 import static com.android.server.NetworkManagementService.NetdResponseCode.TetheringStatsListResult; 38 import static com.android.server.NetworkManagementService.NetdResponseCode.TtyListResult; 39 import static com.android.server.NetworkManagementSocketTagger.PROP_QTAGUID_ENABLED; 40 41 import android.content.Context; 42 import android.net.ConnectivityManager; 43 import android.net.INetworkManagementEventObserver; 44 import android.net.InterfaceConfiguration; 45 import android.net.IpPrefix; 46 import android.net.LinkAddress; 47 import android.net.Network; 48 import android.net.NetworkStats; 49 import android.net.NetworkUtils; 50 import android.net.RouteInfo; 51 import android.net.UidRange; 52 import android.net.wifi.WifiConfiguration; 53 import android.net.wifi.WifiConfiguration.KeyMgmt; 54 import android.os.BatteryStats; 55 import android.os.Binder; 56 import android.os.Handler; 57 import android.os.INetworkActivityListener; 58 import android.os.INetworkManagementService; 59 import android.os.PowerManager; 60 import android.os.Process; 61 import android.os.RemoteCallbackList; 62 import android.os.RemoteException; 63 import android.os.ServiceManager; 64 import android.os.SystemClock; 65 import android.os.SystemProperties; 66 import android.telephony.DataConnectionRealTimeInfo; 67 import android.telephony.PhoneStateListener; 68 import android.telephony.SubscriptionManager; 69 import android.telephony.TelephonyManager; 70 import android.util.Log; 71 import android.util.Slog; 72 import android.util.SparseBooleanArray; 73 74 import com.android.internal.app.IBatteryStats; 75 import com.android.internal.net.NetworkStatsFactory; 76 import com.android.internal.util.Preconditions; 77 import com.android.server.NativeDaemonConnector.Command; 78 import com.android.server.NativeDaemonConnector.SensitiveArg; 79 import com.android.server.net.LockdownVpnTracker; 80 import com.google.android.collect.Maps; 81 82 import java.io.BufferedReader; 83 import java.io.DataInputStream; 84 import java.io.File; 85 import java.io.FileDescriptor; 86 import java.io.FileInputStream; 87 import java.io.IOException; 88 import java.io.InputStreamReader; 89 import java.io.PrintWriter; 90 import java.net.Inet4Address; 91 import java.net.Inet6Address; 92 import java.net.InetAddress; 93 import java.net.InterfaceAddress; 94 import java.net.NetworkInterface; 95 import java.net.SocketException; 96 import java.util.ArrayList; 97 import java.util.Arrays; 98 import java.util.HashMap; 99 import java.util.List; 100 import java.util.Map; 101 import java.util.NoSuchElementException; 102 import java.util.StringTokenizer; 103 import java.util.concurrent.CountDownLatch; 104 105 /** 106 * @hide 107 */ 108 public 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 } 149 150 static final int DAEMON_MSG_MOBILE_CONN_REAL_TIME_INFO = 1; 151 152 /** 153 * Binder context for this service 154 */ 155 private final Context mContext; 156 157 /** 158 * connector object for communicating with netd 159 */ 160 private final NativeDaemonConnector mConnector; 161 162 private final Handler mFgHandler; 163 private final Handler mDaemonHandler; 164 private final PhoneStateListener mPhoneStateListener; 165 166 private IBatteryStats mBatteryStats; 167 168 private final Thread mThread; 169 private CountDownLatch mConnectedSignal = new CountDownLatch(1); 170 171 private final RemoteCallbackList<INetworkManagementEventObserver> mObservers = 172 new RemoteCallbackList<INetworkManagementEventObserver>(); 173 174 private final NetworkStatsFactory mStatsFactory = new NetworkStatsFactory(); 175 176 private Object mQuotaLock = new Object(); 177 /** Set of interfaces with active quotas. */ 178 private HashMap<String, Long> mActiveQuotas = Maps.newHashMap(); 179 /** Set of interfaces with active alerts. */ 180 private HashMap<String, Long> mActiveAlerts = Maps.newHashMap(); 181 /** Set of UIDs with active reject rules. */ 182 private SparseBooleanArray mUidRejectOnQuota = new SparseBooleanArray(); 183 184 private Object mIdleTimerLock = new Object(); 185 /** Set of interfaces with active idle timers. */ 186 private static class IdleTimerParams { 187 public final int timeout; 188 public final int type; 189 public int networkCount; 190 191 IdleTimerParams(int timeout, int type) { 192 this.timeout = timeout; 193 this.type = type; 194 this.networkCount = 1; 195 } 196 } 197 private HashMap<String, IdleTimerParams> mActiveIdleTimers = Maps.newHashMap(); 198 199 private volatile boolean mBandwidthControlEnabled; 200 private volatile boolean mFirewallEnabled; 201 202 private boolean mMobileActivityFromRadio = false; 203 private int mLastPowerStateFromRadio = DataConnectionRealTimeInfo.DC_POWER_STATE_LOW; 204 205 private final RemoteCallbackList<INetworkActivityListener> mNetworkActivityListeners = 206 new RemoteCallbackList<INetworkActivityListener>(); 207 private boolean mNetworkActive; 208 209 /** 210 * Constructs a new NetworkManagementService instance 211 * 212 * @param context Binder context for this service 213 */ 214 private NetworkManagementService(Context context, String socket) { 215 mContext = context; 216 217 // make sure this is on the same looper as our NativeDaemonConnector for sync purposes 218 mFgHandler = new Handler(FgThread.get().getLooper()); 219 220 if ("simulator".equals(SystemProperties.get("ro.product.device"))) { 221 mConnector = null; 222 mThread = null; 223 mDaemonHandler = null; 224 mPhoneStateListener = null; 225 return; 226 } 227 228 // Don't need this wake lock, since we now have a time stamp for when 229 // the network actually went inactive. (It might be nice to still do this, 230 // but I don't want to do it through the power manager because that pollutes the 231 // battery stats history with pointless noise.) 232 //PowerManager pm = (PowerManager)context.getSystemService(Context.POWER_SERVICE); 233 PowerManager.WakeLock wl = null; //pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, NETD_TAG); 234 235 mConnector = new NativeDaemonConnector( 236 new NetdCallbackReceiver(), socket, 10, NETD_TAG, 160, wl, 237 FgThread.get().getLooper()); 238 mThread = new Thread(mConnector, NETD_TAG); 239 240 mDaemonHandler = new Handler(FgThread.get().getLooper()); 241 242 mPhoneStateListener = new PhoneStateListener(SubscriptionManager.DEFAULT_SUB_ID, 243 mDaemonHandler.getLooper()) { 244 @Override 245 public void onDataConnectionRealTimeInfoChanged( 246 DataConnectionRealTimeInfo dcRtInfo) { 247 if (DBG) Slog.d(TAG, "onDataConnectionRealTimeInfoChanged: " + dcRtInfo); 248 notifyInterfaceClassActivity(ConnectivityManager.TYPE_MOBILE, 249 dcRtInfo.getDcPowerState(), dcRtInfo.getTime(), true); 250 } 251 }; 252 TelephonyManager tm = (TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE); 253 if (tm != null) { 254 tm.listen(mPhoneStateListener, 255 PhoneStateListener.LISTEN_DATA_CONNECTION_REAL_TIME_INFO); 256 } 257 258 // Add ourself to the Watchdog monitors. 259 Watchdog.getInstance().addMonitor(this); 260 } 261 262 static NetworkManagementService create(Context context, 263 String socket) throws InterruptedException { 264 final NetworkManagementService service = new NetworkManagementService(context, socket); 265 final CountDownLatch connectedSignal = service.mConnectedSignal; 266 if (DBG) Slog.d(TAG, "Creating NetworkManagementService"); 267 service.mThread.start(); 268 if (DBG) Slog.d(TAG, "Awaiting socket connection"); 269 connectedSignal.await(); 270 if (DBG) Slog.d(TAG, "Connected"); 271 return service; 272 } 273 274 public static NetworkManagementService create(Context context) throws InterruptedException { 275 return create(context, NETD_SOCKET_NAME); 276 } 277 278 public void systemReady() { 279 prepareNativeDaemon(); 280 if (DBG) Slog.d(TAG, "Prepared"); 281 } 282 283 private IBatteryStats getBatteryStats() { 284 synchronized (this) { 285 if (mBatteryStats != null) { 286 return mBatteryStats; 287 } 288 mBatteryStats = IBatteryStats.Stub.asInterface(ServiceManager.getService( 289 BatteryStats.SERVICE_NAME)); 290 return mBatteryStats; 291 } 292 } 293 294 @Override 295 public void registerObserver(INetworkManagementEventObserver observer) { 296 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 297 mObservers.register(observer); 298 } 299 300 @Override 301 public void unregisterObserver(INetworkManagementEventObserver observer) { 302 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 303 mObservers.unregister(observer); 304 } 305 306 /** 307 * Notify our observers of an interface status change 308 */ 309 private void notifyInterfaceStatusChanged(String iface, boolean up) { 310 final int length = mObservers.beginBroadcast(); 311 try { 312 for (int i = 0; i < length; i++) { 313 try { 314 mObservers.getBroadcastItem(i).interfaceStatusChanged(iface, up); 315 } catch (RemoteException e) { 316 } catch (RuntimeException e) { 317 } 318 } 319 } finally { 320 mObservers.finishBroadcast(); 321 } 322 } 323 324 /** 325 * Notify our observers of an interface link state change 326 * (typically, an Ethernet cable has been plugged-in or unplugged). 327 */ 328 private void notifyInterfaceLinkStateChanged(String iface, boolean up) { 329 final int length = mObservers.beginBroadcast(); 330 try { 331 for (int i = 0; i < length; i++) { 332 try { 333 mObservers.getBroadcastItem(i).interfaceLinkStateChanged(iface, up); 334 } catch (RemoteException e) { 335 } catch (RuntimeException e) { 336 } 337 } 338 } finally { 339 mObservers.finishBroadcast(); 340 } 341 } 342 343 /** 344 * Notify our observers of an interface addition. 345 */ 346 private void notifyInterfaceAdded(String iface) { 347 final int length = mObservers.beginBroadcast(); 348 try { 349 for (int i = 0; i < length; i++) { 350 try { 351 mObservers.getBroadcastItem(i).interfaceAdded(iface); 352 } catch (RemoteException e) { 353 } catch (RuntimeException e) { 354 } 355 } 356 } finally { 357 mObservers.finishBroadcast(); 358 } 359 } 360 361 /** 362 * Notify our observers of an interface removal. 363 */ 364 private void notifyInterfaceRemoved(String iface) { 365 // netd already clears out quota and alerts for removed ifaces; update 366 // our sanity-checking state. 367 mActiveAlerts.remove(iface); 368 mActiveQuotas.remove(iface); 369 370 final int length = mObservers.beginBroadcast(); 371 try { 372 for (int i = 0; i < length; i++) { 373 try { 374 mObservers.getBroadcastItem(i).interfaceRemoved(iface); 375 } catch (RemoteException e) { 376 } catch (RuntimeException e) { 377 } 378 } 379 } finally { 380 mObservers.finishBroadcast(); 381 } 382 } 383 384 /** 385 * Notify our observers of a limit reached. 386 */ 387 private void notifyLimitReached(String limitName, String iface) { 388 final int length = mObservers.beginBroadcast(); 389 try { 390 for (int i = 0; i < length; i++) { 391 try { 392 mObservers.getBroadcastItem(i).limitReached(limitName, iface); 393 } catch (RemoteException e) { 394 } catch (RuntimeException e) { 395 } 396 } 397 } finally { 398 mObservers.finishBroadcast(); 399 } 400 } 401 402 /** 403 * Notify our observers of a change in the data activity state of the interface 404 */ 405 private void notifyInterfaceClassActivity(int type, int powerState, long tsNanos, 406 boolean fromRadio) { 407 final boolean isMobile = ConnectivityManager.isNetworkTypeMobile(type); 408 if (isMobile) { 409 if (!fromRadio) { 410 if (mMobileActivityFromRadio) { 411 // If this call is not coming from a report from the radio itself, but we 412 // have previously received reports from the radio, then we will take the 413 // power state to just be whatever the radio last reported. 414 powerState = mLastPowerStateFromRadio; 415 } 416 } else { 417 mMobileActivityFromRadio = true; 418 } 419 if (mLastPowerStateFromRadio != powerState) { 420 mLastPowerStateFromRadio = powerState; 421 try { 422 getBatteryStats().noteMobileRadioPowerState(powerState, tsNanos); 423 } catch (RemoteException e) { 424 } 425 } 426 } 427 428 boolean isActive = powerState == DataConnectionRealTimeInfo.DC_POWER_STATE_MEDIUM 429 || powerState == DataConnectionRealTimeInfo.DC_POWER_STATE_HIGH; 430 431 if (!isMobile || fromRadio || !mMobileActivityFromRadio) { 432 // Report the change in data activity. We don't do this if this is a change 433 // on the mobile network, that is not coming from the radio itself, and we 434 // have previously seen change reports from the radio. In that case only 435 // the radio is the authority for the current state. 436 final int length = mObservers.beginBroadcast(); 437 try { 438 for (int i = 0; i < length; i++) { 439 try { 440 mObservers.getBroadcastItem(i).interfaceClassDataActivityChanged( 441 Integer.toString(type), isActive, tsNanos); 442 } catch (RemoteException e) { 443 } catch (RuntimeException e) { 444 } 445 } 446 } finally { 447 mObservers.finishBroadcast(); 448 } 449 } 450 451 boolean report = false; 452 synchronized (mIdleTimerLock) { 453 if (mActiveIdleTimers.isEmpty()) { 454 // If there are no idle timers, we are not monitoring activity, so we 455 // are always considered active. 456 isActive = true; 457 } 458 if (mNetworkActive != isActive) { 459 mNetworkActive = isActive; 460 report = isActive; 461 } 462 } 463 if (report) { 464 reportNetworkActive(); 465 } 466 } 467 468 /** 469 * Prepare native daemon once connected, enabling modules and pushing any 470 * existing in-memory rules. 471 */ 472 private void prepareNativeDaemon() { 473 mBandwidthControlEnabled = false; 474 475 // only enable bandwidth control when support exists 476 final boolean hasKernelSupport = new File("/proc/net/xt_qtaguid/ctrl").exists(); 477 if (hasKernelSupport) { 478 Slog.d(TAG, "enabling bandwidth control"); 479 try { 480 mConnector.execute("bandwidth", "enable"); 481 mBandwidthControlEnabled = true; 482 } catch (NativeDaemonConnectorException e) { 483 Log.wtf(TAG, "problem enabling bandwidth controls", e); 484 } 485 } else { 486 Slog.d(TAG, "not enabling bandwidth control"); 487 } 488 489 SystemProperties.set(PROP_QTAGUID_ENABLED, mBandwidthControlEnabled ? "1" : "0"); 490 491 if (mBandwidthControlEnabled) { 492 try { 493 getBatteryStats().noteNetworkStatsEnabled(); 494 } catch (RemoteException e) { 495 } 496 } 497 498 // push any existing quota or UID rules 499 synchronized (mQuotaLock) { 500 int size = mActiveQuotas.size(); 501 if (size > 0) { 502 Slog.d(TAG, "pushing " + size + " active quota rules"); 503 final HashMap<String, Long> activeQuotas = mActiveQuotas; 504 mActiveQuotas = Maps.newHashMap(); 505 for (Map.Entry<String, Long> entry : activeQuotas.entrySet()) { 506 setInterfaceQuota(entry.getKey(), entry.getValue()); 507 } 508 } 509 510 size = mActiveAlerts.size(); 511 if (size > 0) { 512 Slog.d(TAG, "pushing " + size + " active alert rules"); 513 final HashMap<String, Long> activeAlerts = mActiveAlerts; 514 mActiveAlerts = Maps.newHashMap(); 515 for (Map.Entry<String, Long> entry : activeAlerts.entrySet()) { 516 setInterfaceAlert(entry.getKey(), entry.getValue()); 517 } 518 } 519 520 size = mUidRejectOnQuota.size(); 521 if (size > 0) { 522 Slog.d(TAG, "pushing " + size + " active uid rules"); 523 final SparseBooleanArray uidRejectOnQuota = mUidRejectOnQuota; 524 mUidRejectOnQuota = new SparseBooleanArray(); 525 for (int i = 0; i < uidRejectOnQuota.size(); i++) { 526 setUidNetworkRules(uidRejectOnQuota.keyAt(i), uidRejectOnQuota.valueAt(i)); 527 } 528 } 529 } 530 531 // TODO: Push any existing firewall state 532 setFirewallEnabled(mFirewallEnabled || LockdownVpnTracker.isEnabled()); 533 } 534 535 /** 536 * Notify our observers of a new or updated interface address. 537 */ 538 private void notifyAddressUpdated(String iface, LinkAddress address) { 539 final int length = mObservers.beginBroadcast(); 540 try { 541 for (int i = 0; i < length; i++) { 542 try { 543 mObservers.getBroadcastItem(i).addressUpdated(iface, address); 544 } catch (RemoteException e) { 545 } catch (RuntimeException e) { 546 } 547 } 548 } finally { 549 mObservers.finishBroadcast(); 550 } 551 } 552 553 /** 554 * Notify our observers of a deleted interface address. 555 */ 556 private void notifyAddressRemoved(String iface, LinkAddress address) { 557 final int length = mObservers.beginBroadcast(); 558 try { 559 for (int i = 0; i < length; i++) { 560 try { 561 mObservers.getBroadcastItem(i).addressRemoved(iface, address); 562 } catch (RemoteException e) { 563 } catch (RuntimeException e) { 564 } 565 } 566 } finally { 567 mObservers.finishBroadcast(); 568 } 569 } 570 571 /** 572 * Notify our observers of DNS server information received. 573 */ 574 private void notifyInterfaceDnsServerInfo(String iface, long lifetime, String[] addresses) { 575 final int length = mObservers.beginBroadcast(); 576 try { 577 for (int i = 0; i < length; i++) { 578 try { 579 mObservers.getBroadcastItem(i).interfaceDnsServerInfo(iface, lifetime, 580 addresses); 581 } catch (RemoteException e) { 582 } catch (RuntimeException e) { 583 } 584 } 585 } finally { 586 mObservers.finishBroadcast(); 587 } 588 } 589 590 /** 591 * Notify our observers of a route change. 592 */ 593 private void notifyRouteChange(String action, RouteInfo route) { 594 final int length = mObservers.beginBroadcast(); 595 try { 596 for (int i = 0; i < length; i++) { 597 try { 598 if (action.equals("updated")) { 599 mObservers.getBroadcastItem(i).routeUpdated(route); 600 } else { 601 mObservers.getBroadcastItem(i).routeRemoved(route); 602 } 603 } catch (RemoteException e) { 604 } catch (RuntimeException e) { 605 } 606 } 607 } finally { 608 mObservers.finishBroadcast(); 609 } 610 } 611 612 // 613 // Netd Callback handling 614 // 615 616 private class NetdCallbackReceiver implements INativeDaemonConnectorCallbacks { 617 @Override 618 public void onDaemonConnected() { 619 // event is dispatched from internal NDC thread, so we prepare the 620 // daemon back on main thread. 621 if (mConnectedSignal != null) { 622 mConnectedSignal.countDown(); 623 mConnectedSignal = null; 624 } else { 625 mFgHandler.post(new Runnable() { 626 @Override 627 public void run() { 628 prepareNativeDaemon(); 629 } 630 }); 631 } 632 } 633 634 @Override 635 public boolean onCheckHoldWakeLock(int code) { 636 return code == NetdResponseCode.InterfaceClassActivity; 637 } 638 639 @Override 640 public boolean onEvent(int code, String raw, String[] cooked) { 641 String errorMessage = String.format("Invalid event from daemon (%s)", raw); 642 switch (code) { 643 case NetdResponseCode.InterfaceChange: 644 /* 645 * a network interface change occured 646 * Format: "NNN Iface added <name>" 647 * "NNN Iface removed <name>" 648 * "NNN Iface changed <name> <up/down>" 649 * "NNN Iface linkstatus <name> <up/down>" 650 */ 651 if (cooked.length < 4 || !cooked[1].equals("Iface")) { 652 throw new IllegalStateException(errorMessage); 653 } 654 if (cooked[2].equals("added")) { 655 notifyInterfaceAdded(cooked[3]); 656 return true; 657 } else if (cooked[2].equals("removed")) { 658 notifyInterfaceRemoved(cooked[3]); 659 return true; 660 } else if (cooked[2].equals("changed") && cooked.length == 5) { 661 notifyInterfaceStatusChanged(cooked[3], cooked[4].equals("up")); 662 return true; 663 } else if (cooked[2].equals("linkstate") && cooked.length == 5) { 664 notifyInterfaceLinkStateChanged(cooked[3], cooked[4].equals("up")); 665 return true; 666 } 667 throw new IllegalStateException(errorMessage); 668 // break; 669 case NetdResponseCode.BandwidthControl: 670 /* 671 * Bandwidth control needs some attention 672 * Format: "NNN limit alert <alertName> <ifaceName>" 673 */ 674 if (cooked.length < 5 || !cooked[1].equals("limit")) { 675 throw new IllegalStateException(errorMessage); 676 } 677 if (cooked[2].equals("alert")) { 678 notifyLimitReached(cooked[3], cooked[4]); 679 return true; 680 } 681 throw new IllegalStateException(errorMessage); 682 // break; 683 case NetdResponseCode.InterfaceClassActivity: 684 /* 685 * An network interface class state changed (active/idle) 686 * Format: "NNN IfaceClass <active/idle> <label>" 687 */ 688 if (cooked.length < 4 || !cooked[1].equals("IfaceClass")) { 689 throw new IllegalStateException(errorMessage); 690 } 691 long timestampNanos = 0; 692 if (cooked.length == 5) { 693 try { 694 timestampNanos = Long.parseLong(cooked[4]); 695 } catch(NumberFormatException ne) {} 696 } else { 697 timestampNanos = SystemClock.elapsedRealtimeNanos(); 698 } 699 boolean isActive = cooked[2].equals("active"); 700 notifyInterfaceClassActivity(Integer.parseInt(cooked[3]), 701 isActive ? DataConnectionRealTimeInfo.DC_POWER_STATE_HIGH 702 : DataConnectionRealTimeInfo.DC_POWER_STATE_LOW, timestampNanos, false); 703 return true; 704 // break; 705 case NetdResponseCode.InterfaceAddressChange: 706 /* 707 * A network address change occurred 708 * Format: "NNN Address updated <addr> <iface> <flags> <scope>" 709 * "NNN Address removed <addr> <iface> <flags> <scope>" 710 */ 711 if (cooked.length < 7 || !cooked[1].equals("Address")) { 712 throw new IllegalStateException(errorMessage); 713 } 714 715 String iface = cooked[4]; 716 LinkAddress address; 717 try { 718 int flags = Integer.parseInt(cooked[5]); 719 int scope = Integer.parseInt(cooked[6]); 720 address = new LinkAddress(cooked[3], flags, scope); 721 } catch(NumberFormatException e) { // Non-numeric lifetime or scope. 722 throw new IllegalStateException(errorMessage, e); 723 } catch(IllegalArgumentException e) { // Malformed/invalid IP address. 724 throw new IllegalStateException(errorMessage, e); 725 } 726 727 if (cooked[2].equals("updated")) { 728 notifyAddressUpdated(iface, address); 729 } else { 730 notifyAddressRemoved(iface, address); 731 } 732 return true; 733 // break; 734 case NetdResponseCode.InterfaceDnsServerInfo: 735 /* 736 * Information about available DNS servers has been received. 737 * Format: "NNN DnsInfo servers <interface> <lifetime> <servers>" 738 */ 739 long lifetime; // Actually a 32-bit unsigned integer. 740 741 if (cooked.length == 6 && 742 cooked[1].equals("DnsInfo") && 743 cooked[2].equals("servers")) { 744 try { 745 lifetime = Long.parseLong(cooked[4]); 746 } catch (NumberFormatException e) { 747 throw new IllegalStateException(errorMessage); 748 } 749 String[] servers = cooked[5].split(","); 750 notifyInterfaceDnsServerInfo(cooked[3], lifetime, servers); 751 } 752 return true; 753 // break; 754 case NetdResponseCode.RouteChange: 755 /* 756 * A route has been updated or removed. 757 * Format: "NNN Route <updated|removed> <dst> [via <gateway] [dev <iface>]" 758 */ 759 if (!cooked[1].equals("Route") || cooked.length < 6) { 760 throw new IllegalStateException(errorMessage); 761 } 762 763 String via = null; 764 String dev = null; 765 boolean valid = true; 766 for (int i = 4; (i + 1) < cooked.length && valid; i += 2) { 767 if (cooked[i].equals("dev")) { 768 if (dev == null) { 769 dev = cooked[i+1]; 770 } else { 771 valid = false; // Duplicate interface. 772 } 773 } else if (cooked[i].equals("via")) { 774 if (via == null) { 775 via = cooked[i+1]; 776 } else { 777 valid = false; // Duplicate gateway. 778 } 779 } else { 780 valid = false; // Unknown syntax. 781 } 782 } 783 if (valid) { 784 try { 785 // InetAddress.parseNumericAddress(null) inexplicably returns ::1. 786 InetAddress gateway = null; 787 if (via != null) gateway = InetAddress.parseNumericAddress(via); 788 RouteInfo route = new RouteInfo(new IpPrefix(cooked[3]), gateway, dev); 789 notifyRouteChange(cooked[2], route); 790 return true; 791 } catch (IllegalArgumentException e) {} 792 } 793 throw new IllegalStateException(errorMessage); 794 // break; 795 default: break; 796 } 797 return false; 798 } 799 } 800 801 802 // 803 // INetworkManagementService members 804 // 805 806 @Override 807 public String[] listInterfaces() { 808 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 809 try { 810 return NativeDaemonEvent.filterMessageList( 811 mConnector.executeForList("interface", "list"), InterfaceListResult); 812 } catch (NativeDaemonConnectorException e) { 813 throw e.rethrowAsParcelableException(); 814 } 815 } 816 817 @Override 818 public InterfaceConfiguration getInterfaceConfig(String iface) { 819 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 820 821 final NativeDaemonEvent event; 822 try { 823 event = mConnector.execute("interface", "getcfg", iface); 824 } catch (NativeDaemonConnectorException e) { 825 throw e.rethrowAsParcelableException(); 826 } 827 828 event.checkCode(InterfaceGetCfgResult); 829 830 // Rsp: 213 xx:xx:xx:xx:xx:xx yyy.yyy.yyy.yyy zzz flag1 flag2 flag3 831 final StringTokenizer st = new StringTokenizer(event.getMessage()); 832 833 InterfaceConfiguration cfg; 834 try { 835 cfg = new InterfaceConfiguration(); 836 cfg.setHardwareAddress(st.nextToken(" ")); 837 InetAddress addr = null; 838 int prefixLength = 0; 839 try { 840 addr = NetworkUtils.numericToInetAddress(st.nextToken()); 841 } catch (IllegalArgumentException iae) { 842 Slog.e(TAG, "Failed to parse ipaddr", iae); 843 } 844 845 try { 846 prefixLength = Integer.parseInt(st.nextToken()); 847 } catch (NumberFormatException nfe) { 848 Slog.e(TAG, "Failed to parse prefixLength", nfe); 849 } 850 851 cfg.setLinkAddress(new LinkAddress(addr, prefixLength)); 852 while (st.hasMoreTokens()) { 853 cfg.setFlag(st.nextToken()); 854 } 855 } catch (NoSuchElementException nsee) { 856 throw new IllegalStateException("Invalid response from daemon: " + event); 857 } 858 return cfg; 859 } 860 861 @Override 862 public void setInterfaceConfig(String iface, InterfaceConfiguration cfg) { 863 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 864 LinkAddress linkAddr = cfg.getLinkAddress(); 865 if (linkAddr == null || linkAddr.getAddress() == null) { 866 throw new IllegalStateException("Null LinkAddress given"); 867 } 868 869 final Command cmd = new Command("interface", "setcfg", iface, 870 linkAddr.getAddress().getHostAddress(), 871 linkAddr.getPrefixLength()); 872 for (String flag : cfg.getFlags()) { 873 cmd.appendArg(flag); 874 } 875 876 try { 877 mConnector.execute(cmd); 878 } catch (NativeDaemonConnectorException e) { 879 throw e.rethrowAsParcelableException(); 880 } 881 } 882 883 @Override 884 public void setInterfaceDown(String iface) { 885 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 886 final InterfaceConfiguration ifcg = getInterfaceConfig(iface); 887 ifcg.setInterfaceDown(); 888 setInterfaceConfig(iface, ifcg); 889 } 890 891 @Override 892 public void setInterfaceUp(String iface) { 893 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 894 final InterfaceConfiguration ifcg = getInterfaceConfig(iface); 895 ifcg.setInterfaceUp(); 896 setInterfaceConfig(iface, ifcg); 897 } 898 899 @Override 900 public void setInterfaceIpv6PrivacyExtensions(String iface, boolean enable) { 901 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 902 try { 903 mConnector.execute( 904 "interface", "ipv6privacyextensions", iface, enable ? "enable" : "disable"); 905 } catch (NativeDaemonConnectorException e) { 906 throw e.rethrowAsParcelableException(); 907 } 908 } 909 910 /* TODO: This is right now a IPv4 only function. Works for wifi which loses its 911 IPv6 addresses on interface down, but we need to do full clean up here */ 912 @Override 913 public void clearInterfaceAddresses(String iface) { 914 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 915 try { 916 mConnector.execute("interface", "clearaddrs", iface); 917 } catch (NativeDaemonConnectorException e) { 918 throw e.rethrowAsParcelableException(); 919 } 920 } 921 922 @Override 923 public void enableIpv6(String iface) { 924 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 925 try { 926 mConnector.execute("interface", "ipv6", iface, "enable"); 927 } catch (NativeDaemonConnectorException e) { 928 throw e.rethrowAsParcelableException(); 929 } 930 } 931 932 @Override 933 public void disableIpv6(String iface) { 934 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 935 try { 936 mConnector.execute("interface", "ipv6", iface, "disable"); 937 } catch (NativeDaemonConnectorException e) { 938 throw e.rethrowAsParcelableException(); 939 } 940 } 941 942 @Override 943 public void addRoute(int netId, RouteInfo route) { 944 modifyRoute("add", "" + netId, route); 945 } 946 947 @Override 948 public void removeRoute(int netId, RouteInfo route) { 949 modifyRoute("remove", "" + netId, route); 950 } 951 952 private void modifyRoute(String action, String netId, RouteInfo route) { 953 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 954 955 final Command cmd = new Command("network", "route", action, netId); 956 957 // create triplet: interface dest-ip-addr/prefixlength gateway-ip-addr 958 cmd.appendArg(route.getInterface()); 959 cmd.appendArg(route.getDestination().toString()); 960 961 switch (route.getType()) { 962 case RouteInfo.RTN_UNICAST: 963 if (route.hasGateway()) { 964 cmd.appendArg(route.getGateway().getHostAddress()); 965 } 966 break; 967 case RouteInfo.RTN_UNREACHABLE: 968 cmd.appendArg("unreachable"); 969 break; 970 case RouteInfo.RTN_THROW: 971 cmd.appendArg("throw"); 972 break; 973 } 974 975 try { 976 mConnector.execute(cmd); 977 } catch (NativeDaemonConnectorException e) { 978 throw e.rethrowAsParcelableException(); 979 } 980 } 981 982 private ArrayList<String> readRouteList(String filename) { 983 FileInputStream fstream = null; 984 ArrayList<String> list = new ArrayList<String>(); 985 986 try { 987 fstream = new FileInputStream(filename); 988 DataInputStream in = new DataInputStream(fstream); 989 BufferedReader br = new BufferedReader(new InputStreamReader(in)); 990 String s; 991 992 // throw away the title line 993 994 while (((s = br.readLine()) != null) && (s.length() != 0)) { 995 list.add(s); 996 } 997 } catch (IOException ex) { 998 // return current list, possibly empty 999 } finally { 1000 if (fstream != null) { 1001 try { 1002 fstream.close(); 1003 } catch (IOException ex) {} 1004 } 1005 } 1006 1007 return list; 1008 } 1009 1010 @Override 1011 public RouteInfo[] getRoutes(String interfaceName) { 1012 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1013 ArrayList<RouteInfo> routes = new ArrayList<RouteInfo>(); 1014 1015 // v4 routes listed as: 1016 // iface dest-addr gateway-addr flags refcnt use metric netmask mtu window IRTT 1017 for (String s : readRouteList("/proc/net/route")) { 1018 String[] fields = s.split("\t"); 1019 1020 if (fields.length > 7) { 1021 String iface = fields[0]; 1022 1023 if (interfaceName.equals(iface)) { 1024 String dest = fields[1]; 1025 String gate = fields[2]; 1026 String flags = fields[3]; // future use? 1027 String mask = fields[7]; 1028 try { 1029 // address stored as a hex string, ex: 0014A8C0 1030 InetAddress destAddr = 1031 NetworkUtils.intToInetAddress((int)Long.parseLong(dest, 16)); 1032 int prefixLength = 1033 NetworkUtils.netmaskIntToPrefixLength( 1034 (int)Long.parseLong(mask, 16)); 1035 LinkAddress linkAddress = new LinkAddress(destAddr, prefixLength); 1036 1037 // address stored as a hex string, ex 0014A8C0 1038 InetAddress gatewayAddr = 1039 NetworkUtils.intToInetAddress((int)Long.parseLong(gate, 16)); 1040 1041 RouteInfo route = new RouteInfo(linkAddress, gatewayAddr); 1042 routes.add(route); 1043 } catch (Exception e) { 1044 Log.e(TAG, "Error parsing route " + s + " : " + e); 1045 continue; 1046 } 1047 } 1048 } 1049 } 1050 1051 // v6 routes listed as: 1052 // dest-addr prefixlength ?? ?? gateway-addr ?? ?? ?? ?? iface 1053 for (String s : readRouteList("/proc/net/ipv6_route")) { 1054 String[]fields = s.split("\\s+"); 1055 if (fields.length > 9) { 1056 String iface = fields[9].trim(); 1057 if (interfaceName.equals(iface)) { 1058 String dest = fields[0]; 1059 String prefix = fields[1]; 1060 String gate = fields[4]; 1061 1062 try { 1063 // prefix length stored as a hex string, ex 40 1064 int prefixLength = Integer.parseInt(prefix, 16); 1065 1066 // address stored as a 32 char hex string 1067 // ex fe800000000000000000000000000000 1068 InetAddress destAddr = NetworkUtils.hexToInet6Address(dest); 1069 LinkAddress linkAddress = new LinkAddress(destAddr, prefixLength); 1070 1071 InetAddress gateAddr = NetworkUtils.hexToInet6Address(gate); 1072 1073 RouteInfo route = new RouteInfo(linkAddress, gateAddr); 1074 routes.add(route); 1075 } catch (Exception e) { 1076 Log.e(TAG, "Error parsing route " + s + " : " + e); 1077 continue; 1078 } 1079 } 1080 } 1081 } 1082 return routes.toArray(new RouteInfo[routes.size()]); 1083 } 1084 1085 @Override 1086 public void setMtu(String iface, int mtu) { 1087 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1088 1089 final NativeDaemonEvent event; 1090 try { 1091 event = mConnector.execute("interface", "setmtu", iface, mtu); 1092 } catch (NativeDaemonConnectorException e) { 1093 throw e.rethrowAsParcelableException(); 1094 } 1095 } 1096 1097 @Override 1098 public void shutdown() { 1099 // TODO: remove from aidl if nobody calls externally 1100 mContext.enforceCallingOrSelfPermission(SHUTDOWN, TAG); 1101 1102 Slog.d(TAG, "Shutting down"); 1103 } 1104 1105 @Override 1106 public boolean getIpForwardingEnabled() throws IllegalStateException{ 1107 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1108 1109 final NativeDaemonEvent event; 1110 try { 1111 event = mConnector.execute("ipfwd", "status"); 1112 } catch (NativeDaemonConnectorException e) { 1113 throw e.rethrowAsParcelableException(); 1114 } 1115 1116 // 211 Forwarding enabled 1117 event.checkCode(IpFwdStatusResult); 1118 return event.getMessage().endsWith("enabled"); 1119 } 1120 1121 @Override 1122 public void setIpForwardingEnabled(boolean enable) { 1123 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1124 try { 1125 mConnector.execute("ipfwd", enable ? "enable" : "disable"); 1126 } catch (NativeDaemonConnectorException e) { 1127 throw e.rethrowAsParcelableException(); 1128 } 1129 } 1130 1131 @Override 1132 public void startTethering(String[] dhcpRange) { 1133 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1134 // cmd is "tether start first_start first_stop second_start second_stop ..." 1135 // an odd number of addrs will fail 1136 1137 final Command cmd = new Command("tether", "start"); 1138 for (String d : dhcpRange) { 1139 cmd.appendArg(d); 1140 } 1141 1142 try { 1143 mConnector.execute(cmd); 1144 } catch (NativeDaemonConnectorException e) { 1145 throw e.rethrowAsParcelableException(); 1146 } 1147 } 1148 1149 @Override 1150 public void stopTethering() { 1151 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1152 try { 1153 mConnector.execute("tether", "stop"); 1154 } catch (NativeDaemonConnectorException e) { 1155 throw e.rethrowAsParcelableException(); 1156 } 1157 } 1158 1159 @Override 1160 public boolean isTetheringStarted() { 1161 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1162 1163 final NativeDaemonEvent event; 1164 try { 1165 event = mConnector.execute("tether", "status"); 1166 } catch (NativeDaemonConnectorException e) { 1167 throw e.rethrowAsParcelableException(); 1168 } 1169 1170 // 210 Tethering services started 1171 event.checkCode(TetherStatusResult); 1172 return event.getMessage().endsWith("started"); 1173 } 1174 1175 @Override 1176 public void tetherInterface(String iface) { 1177 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1178 try { 1179 mConnector.execute("tether", "interface", "add", iface); 1180 } catch (NativeDaemonConnectorException e) { 1181 throw e.rethrowAsParcelableException(); 1182 } 1183 List<RouteInfo> routes = new ArrayList<RouteInfo>(); 1184 // The RouteInfo constructor truncates the LinkAddress to a network prefix, thus making it 1185 // suitable to use as a route destination. 1186 routes.add(new RouteInfo(getInterfaceConfig(iface).getLinkAddress(), null, iface)); 1187 addInterfaceToLocalNetwork(iface, routes); 1188 } 1189 1190 @Override 1191 public void untetherInterface(String iface) { 1192 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1193 try { 1194 mConnector.execute("tether", "interface", "remove", iface); 1195 } catch (NativeDaemonConnectorException e) { 1196 throw e.rethrowAsParcelableException(); 1197 } 1198 removeInterfaceFromLocalNetwork(iface); 1199 } 1200 1201 @Override 1202 public String[] listTetheredInterfaces() { 1203 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1204 try { 1205 return NativeDaemonEvent.filterMessageList( 1206 mConnector.executeForList("tether", "interface", "list"), 1207 TetherInterfaceListResult); 1208 } catch (NativeDaemonConnectorException e) { 1209 throw e.rethrowAsParcelableException(); 1210 } 1211 } 1212 1213 @Override 1214 public void setDnsForwarders(Network network, String[] dns) { 1215 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1216 1217 int netId = (network != null) ? network.netId : ConnectivityManager.NETID_UNSET; 1218 final Command cmd = new Command("tether", "dns", "set", netId); 1219 1220 for (String s : dns) { 1221 cmd.appendArg(NetworkUtils.numericToInetAddress(s).getHostAddress()); 1222 } 1223 1224 try { 1225 mConnector.execute(cmd); 1226 } catch (NativeDaemonConnectorException e) { 1227 throw e.rethrowAsParcelableException(); 1228 } 1229 } 1230 1231 @Override 1232 public String[] getDnsForwarders() { 1233 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1234 try { 1235 return NativeDaemonEvent.filterMessageList( 1236 mConnector.executeForList("tether", "dns", "list"), TetherDnsFwdTgtListResult); 1237 } catch (NativeDaemonConnectorException e) { 1238 throw e.rethrowAsParcelableException(); 1239 } 1240 } 1241 1242 private List<InterfaceAddress> excludeLinkLocal(List<InterfaceAddress> addresses) { 1243 ArrayList<InterfaceAddress> filtered = new ArrayList<InterfaceAddress>(addresses.size()); 1244 for (InterfaceAddress ia : addresses) { 1245 if (!ia.getAddress().isLinkLocalAddress()) 1246 filtered.add(ia); 1247 } 1248 return filtered; 1249 } 1250 1251 private void modifyNat(String action, String internalInterface, String externalInterface) 1252 throws SocketException { 1253 final Command cmd = new Command("nat", action, internalInterface, externalInterface); 1254 1255 final NetworkInterface internalNetworkInterface = NetworkInterface.getByName( 1256 internalInterface); 1257 if (internalNetworkInterface == null) { 1258 cmd.appendArg("0"); 1259 } else { 1260 // Don't touch link-local routes, as link-local addresses aren't routable, 1261 // kernel creates link-local routes on all interfaces automatically 1262 List<InterfaceAddress> interfaceAddresses = excludeLinkLocal( 1263 internalNetworkInterface.getInterfaceAddresses()); 1264 cmd.appendArg(interfaceAddresses.size()); 1265 for (InterfaceAddress ia : interfaceAddresses) { 1266 InetAddress addr = NetworkUtils.getNetworkPart( 1267 ia.getAddress(), ia.getNetworkPrefixLength()); 1268 cmd.appendArg(addr.getHostAddress() + "/" + ia.getNetworkPrefixLength()); 1269 } 1270 } 1271 1272 try { 1273 mConnector.execute(cmd); 1274 } catch (NativeDaemonConnectorException e) { 1275 throw e.rethrowAsParcelableException(); 1276 } 1277 } 1278 1279 @Override 1280 public void enableNat(String internalInterface, String externalInterface) { 1281 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1282 try { 1283 modifyNat("enable", internalInterface, externalInterface); 1284 } catch (SocketException e) { 1285 throw new IllegalStateException(e); 1286 } 1287 } 1288 1289 @Override 1290 public void disableNat(String internalInterface, String externalInterface) { 1291 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1292 try { 1293 modifyNat("disable", internalInterface, externalInterface); 1294 } catch (SocketException e) { 1295 throw new IllegalStateException(e); 1296 } 1297 } 1298 1299 @Override 1300 public String[] listTtys() { 1301 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1302 try { 1303 return NativeDaemonEvent.filterMessageList( 1304 mConnector.executeForList("list_ttys"), TtyListResult); 1305 } catch (NativeDaemonConnectorException e) { 1306 throw e.rethrowAsParcelableException(); 1307 } 1308 } 1309 1310 @Override 1311 public void attachPppd( 1312 String tty, String localAddr, String remoteAddr, String dns1Addr, String dns2Addr) { 1313 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1314 try { 1315 mConnector.execute("pppd", "attach", tty, 1316 NetworkUtils.numericToInetAddress(localAddr).getHostAddress(), 1317 NetworkUtils.numericToInetAddress(remoteAddr).getHostAddress(), 1318 NetworkUtils.numericToInetAddress(dns1Addr).getHostAddress(), 1319 NetworkUtils.numericToInetAddress(dns2Addr).getHostAddress()); 1320 } catch (NativeDaemonConnectorException e) { 1321 throw e.rethrowAsParcelableException(); 1322 } 1323 } 1324 1325 @Override 1326 public void detachPppd(String tty) { 1327 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1328 try { 1329 mConnector.execute("pppd", "detach", tty); 1330 } catch (NativeDaemonConnectorException e) { 1331 throw e.rethrowAsParcelableException(); 1332 } 1333 } 1334 1335 @Override 1336 public void startAccessPoint( 1337 WifiConfiguration wifiConfig, String wlanIface) { 1338 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1339 try { 1340 wifiFirmwareReload(wlanIface, "AP"); 1341 if (wifiConfig == null) { 1342 mConnector.execute("softap", "set", wlanIface); 1343 } else { 1344 mConnector.execute("softap", "set", wlanIface, wifiConfig.SSID, 1345 "broadcast", "6", getSecurityType(wifiConfig), 1346 new SensitiveArg(wifiConfig.preSharedKey)); 1347 } 1348 mConnector.execute("softap", "startap"); 1349 } catch (NativeDaemonConnectorException e) { 1350 throw e.rethrowAsParcelableException(); 1351 } 1352 } 1353 1354 private static String getSecurityType(WifiConfiguration wifiConfig) { 1355 switch (wifiConfig.getAuthType()) { 1356 case KeyMgmt.WPA_PSK: 1357 return "wpa-psk"; 1358 case KeyMgmt.WPA2_PSK: 1359 return "wpa2-psk"; 1360 default: 1361 return "open"; 1362 } 1363 } 1364 1365 /* @param mode can be "AP", "STA" or "P2P" */ 1366 @Override 1367 public void wifiFirmwareReload(String wlanIface, String mode) { 1368 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1369 try { 1370 mConnector.execute("softap", "fwreload", wlanIface, mode); 1371 } catch (NativeDaemonConnectorException e) { 1372 throw e.rethrowAsParcelableException(); 1373 } 1374 } 1375 1376 @Override 1377 public void stopAccessPoint(String wlanIface) { 1378 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1379 try { 1380 mConnector.execute("softap", "stopap"); 1381 wifiFirmwareReload(wlanIface, "STA"); 1382 } catch (NativeDaemonConnectorException e) { 1383 throw e.rethrowAsParcelableException(); 1384 } 1385 } 1386 1387 @Override 1388 public void setAccessPoint(WifiConfiguration wifiConfig, String wlanIface) { 1389 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1390 try { 1391 if (wifiConfig == null) { 1392 mConnector.execute("softap", "set", wlanIface); 1393 } else { 1394 mConnector.execute("softap", "set", wlanIface, wifiConfig.SSID, 1395 "broadcast", "6", getSecurityType(wifiConfig), 1396 new SensitiveArg(wifiConfig.preSharedKey)); 1397 } 1398 } catch (NativeDaemonConnectorException e) { 1399 throw e.rethrowAsParcelableException(); 1400 } 1401 } 1402 1403 @Override 1404 public void addIdleTimer(String iface, int timeout, final int type) { 1405 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1406 1407 if (DBG) Slog.d(TAG, "Adding idletimer"); 1408 1409 synchronized (mIdleTimerLock) { 1410 IdleTimerParams params = mActiveIdleTimers.get(iface); 1411 if (params != null) { 1412 // the interface already has idletimer, update network count 1413 params.networkCount++; 1414 return; 1415 } 1416 1417 try { 1418 mConnector.execute("idletimer", "add", iface, Integer.toString(timeout), 1419 Integer.toString(type)); 1420 } catch (NativeDaemonConnectorException e) { 1421 throw e.rethrowAsParcelableException(); 1422 } 1423 mActiveIdleTimers.put(iface, new IdleTimerParams(timeout, type)); 1424 1425 // Networks start up. 1426 if (ConnectivityManager.isNetworkTypeMobile(type)) { 1427 mNetworkActive = false; 1428 } 1429 mDaemonHandler.post(new Runnable() { 1430 @Override public void run() { 1431 notifyInterfaceClassActivity(type, 1432 DataConnectionRealTimeInfo.DC_POWER_STATE_HIGH, 1433 SystemClock.elapsedRealtimeNanos(), false); 1434 } 1435 }); 1436 } 1437 } 1438 1439 @Override 1440 public void removeIdleTimer(String iface) { 1441 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1442 1443 if (DBG) Slog.d(TAG, "Removing idletimer"); 1444 1445 synchronized (mIdleTimerLock) { 1446 final IdleTimerParams params = mActiveIdleTimers.get(iface); 1447 if (params == null || --(params.networkCount) > 0) { 1448 return; 1449 } 1450 1451 try { 1452 mConnector.execute("idletimer", "remove", iface, 1453 Integer.toString(params.timeout), Integer.toString(params.type)); 1454 } catch (NativeDaemonConnectorException e) { 1455 throw e.rethrowAsParcelableException(); 1456 } 1457 mActiveIdleTimers.remove(iface); 1458 mDaemonHandler.post(new Runnable() { 1459 @Override public void run() { 1460 notifyInterfaceClassActivity(params.type, 1461 DataConnectionRealTimeInfo.DC_POWER_STATE_LOW, 1462 SystemClock.elapsedRealtimeNanos(), false); 1463 } 1464 }); 1465 } 1466 } 1467 1468 @Override 1469 public NetworkStats getNetworkStatsSummaryDev() { 1470 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1471 try { 1472 return mStatsFactory.readNetworkStatsSummaryDev(); 1473 } catch (IOException e) { 1474 throw new IllegalStateException(e); 1475 } 1476 } 1477 1478 @Override 1479 public NetworkStats getNetworkStatsSummaryXt() { 1480 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1481 try { 1482 return mStatsFactory.readNetworkStatsSummaryXt(); 1483 } catch (IOException e) { 1484 throw new IllegalStateException(e); 1485 } 1486 } 1487 1488 @Override 1489 public NetworkStats getNetworkStatsDetail() { 1490 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1491 try { 1492 return mStatsFactory.readNetworkStatsDetail(UID_ALL, null, TAG_ALL, null); 1493 } catch (IOException e) { 1494 throw new IllegalStateException(e); 1495 } 1496 } 1497 1498 @Override 1499 public void setInterfaceQuota(String iface, long quotaBytes) { 1500 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1501 1502 // silently discard when control disabled 1503 // TODO: eventually migrate to be always enabled 1504 if (!mBandwidthControlEnabled) return; 1505 1506 synchronized (mQuotaLock) { 1507 if (mActiveQuotas.containsKey(iface)) { 1508 throw new IllegalStateException("iface " + iface + " already has quota"); 1509 } 1510 1511 try { 1512 // TODO: support quota shared across interfaces 1513 mConnector.execute("bandwidth", "setiquota", iface, quotaBytes); 1514 mActiveQuotas.put(iface, quotaBytes); 1515 } catch (NativeDaemonConnectorException e) { 1516 throw e.rethrowAsParcelableException(); 1517 } 1518 } 1519 } 1520 1521 @Override 1522 public void removeInterfaceQuota(String iface) { 1523 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1524 1525 // silently discard when control disabled 1526 // TODO: eventually migrate to be always enabled 1527 if (!mBandwidthControlEnabled) return; 1528 1529 synchronized (mQuotaLock) { 1530 if (!mActiveQuotas.containsKey(iface)) { 1531 // TODO: eventually consider throwing 1532 return; 1533 } 1534 1535 mActiveQuotas.remove(iface); 1536 mActiveAlerts.remove(iface); 1537 1538 try { 1539 // TODO: support quota shared across interfaces 1540 mConnector.execute("bandwidth", "removeiquota", iface); 1541 } catch (NativeDaemonConnectorException e) { 1542 throw e.rethrowAsParcelableException(); 1543 } 1544 } 1545 } 1546 1547 @Override 1548 public void setInterfaceAlert(String iface, long alertBytes) { 1549 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1550 1551 // silently discard when control disabled 1552 // TODO: eventually migrate to be always enabled 1553 if (!mBandwidthControlEnabled) return; 1554 1555 // quick sanity check 1556 if (!mActiveQuotas.containsKey(iface)) { 1557 throw new IllegalStateException("setting alert requires existing quota on iface"); 1558 } 1559 1560 synchronized (mQuotaLock) { 1561 if (mActiveAlerts.containsKey(iface)) { 1562 throw new IllegalStateException("iface " + iface + " already has alert"); 1563 } 1564 1565 try { 1566 // TODO: support alert shared across interfaces 1567 mConnector.execute("bandwidth", "setinterfacealert", iface, alertBytes); 1568 mActiveAlerts.put(iface, alertBytes); 1569 } catch (NativeDaemonConnectorException e) { 1570 throw e.rethrowAsParcelableException(); 1571 } 1572 } 1573 } 1574 1575 @Override 1576 public void removeInterfaceAlert(String iface) { 1577 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1578 1579 // silently discard when control disabled 1580 // TODO: eventually migrate to be always enabled 1581 if (!mBandwidthControlEnabled) return; 1582 1583 synchronized (mQuotaLock) { 1584 if (!mActiveAlerts.containsKey(iface)) { 1585 // TODO: eventually consider throwing 1586 return; 1587 } 1588 1589 try { 1590 // TODO: support alert shared across interfaces 1591 mConnector.execute("bandwidth", "removeinterfacealert", iface); 1592 mActiveAlerts.remove(iface); 1593 } catch (NativeDaemonConnectorException e) { 1594 throw e.rethrowAsParcelableException(); 1595 } 1596 } 1597 } 1598 1599 @Override 1600 public void setGlobalAlert(long alertBytes) { 1601 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1602 1603 // silently discard when control disabled 1604 // TODO: eventually migrate to be always enabled 1605 if (!mBandwidthControlEnabled) return; 1606 1607 try { 1608 mConnector.execute("bandwidth", "setglobalalert", alertBytes); 1609 } catch (NativeDaemonConnectorException e) { 1610 throw e.rethrowAsParcelableException(); 1611 } 1612 } 1613 1614 @Override 1615 public void setUidNetworkRules(int uid, boolean rejectOnQuotaInterfaces) { 1616 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1617 1618 // silently discard when control disabled 1619 // TODO: eventually migrate to be always enabled 1620 if (!mBandwidthControlEnabled) return; 1621 1622 synchronized (mQuotaLock) { 1623 final boolean oldRejectOnQuota = mUidRejectOnQuota.get(uid, false); 1624 if (oldRejectOnQuota == rejectOnQuotaInterfaces) { 1625 // TODO: eventually consider throwing 1626 return; 1627 } 1628 1629 try { 1630 mConnector.execute("bandwidth", 1631 rejectOnQuotaInterfaces ? "addnaughtyapps" : "removenaughtyapps", uid); 1632 if (rejectOnQuotaInterfaces) { 1633 mUidRejectOnQuota.put(uid, true); 1634 } else { 1635 mUidRejectOnQuota.delete(uid); 1636 } 1637 } catch (NativeDaemonConnectorException e) { 1638 throw e.rethrowAsParcelableException(); 1639 } 1640 } 1641 } 1642 1643 @Override 1644 public boolean isBandwidthControlEnabled() { 1645 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1646 return mBandwidthControlEnabled; 1647 } 1648 1649 @Override 1650 public NetworkStats getNetworkStatsUidDetail(int uid) { 1651 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1652 try { 1653 return mStatsFactory.readNetworkStatsDetail(uid, null, TAG_ALL, null); 1654 } catch (IOException e) { 1655 throw new IllegalStateException(e); 1656 } 1657 } 1658 1659 @Override 1660 public NetworkStats getNetworkStatsTethering() { 1661 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1662 1663 final NetworkStats stats = new NetworkStats(SystemClock.elapsedRealtime(), 1); 1664 try { 1665 final NativeDaemonEvent[] events = mConnector.executeForList( 1666 "bandwidth", "gettetherstats"); 1667 for (NativeDaemonEvent event : events) { 1668 if (event.getCode() != TetheringStatsListResult) continue; 1669 1670 // 114 ifaceIn ifaceOut rx_bytes rx_packets tx_bytes tx_packets 1671 final StringTokenizer tok = new StringTokenizer(event.getMessage()); 1672 try { 1673 final String ifaceIn = tok.nextToken(); 1674 final String ifaceOut = tok.nextToken(); 1675 1676 final NetworkStats.Entry entry = new NetworkStats.Entry(); 1677 entry.iface = ifaceOut; 1678 entry.uid = UID_TETHERING; 1679 entry.set = SET_DEFAULT; 1680 entry.tag = TAG_NONE; 1681 entry.rxBytes = Long.parseLong(tok.nextToken()); 1682 entry.rxPackets = Long.parseLong(tok.nextToken()); 1683 entry.txBytes = Long.parseLong(tok.nextToken()); 1684 entry.txPackets = Long.parseLong(tok.nextToken()); 1685 stats.combineValues(entry); 1686 } catch (NoSuchElementException e) { 1687 throw new IllegalStateException("problem parsing tethering stats: " + event); 1688 } catch (NumberFormatException e) { 1689 throw new IllegalStateException("problem parsing tethering stats: " + event); 1690 } 1691 } 1692 } catch (NativeDaemonConnectorException e) { 1693 throw e.rethrowAsParcelableException(); 1694 } 1695 return stats; 1696 } 1697 1698 @Override 1699 public void setDnsServersForNetwork(int netId, String[] servers, String domains) { 1700 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1701 1702 final Command cmd = new Command("resolver", "setnetdns", netId, 1703 (domains == null ? "" : domains)); 1704 1705 for (String s : servers) { 1706 InetAddress a = NetworkUtils.numericToInetAddress(s); 1707 if (a.isAnyLocalAddress() == false) { 1708 cmd.appendArg(a.getHostAddress()); 1709 } 1710 } 1711 1712 try { 1713 mConnector.execute(cmd); 1714 } catch (NativeDaemonConnectorException e) { 1715 throw e.rethrowAsParcelableException(); 1716 } 1717 } 1718 1719 @Override 1720 public void addVpnUidRanges(int netId, UidRange[] ranges) { 1721 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1722 Object[] argv = new Object[3 + MAX_UID_RANGES_PER_COMMAND]; 1723 argv[0] = "users"; 1724 argv[1] = "add"; 1725 argv[2] = netId; 1726 int argc = 3; 1727 // Avoid overly long commands by limiting number of UID ranges per command. 1728 for (int i = 0; i < ranges.length; i++) { 1729 argv[argc++] = ranges[i].toString(); 1730 if (i == (ranges.length - 1) || argc == argv.length) { 1731 try { 1732 mConnector.execute("network", Arrays.copyOf(argv, argc)); 1733 } catch (NativeDaemonConnectorException e) { 1734 throw e.rethrowAsParcelableException(); 1735 } 1736 argc = 3; 1737 } 1738 } 1739 } 1740 1741 @Override 1742 public void removeVpnUidRanges(int netId, UidRange[] ranges) { 1743 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1744 Object[] argv = new Object[3 + MAX_UID_RANGES_PER_COMMAND]; 1745 argv[0] = "users"; 1746 argv[1] = "remove"; 1747 argv[2] = netId; 1748 int argc = 3; 1749 // Avoid overly long commands by limiting number of UID ranges per command. 1750 for (int i = 0; i < ranges.length; i++) { 1751 argv[argc++] = ranges[i].toString(); 1752 if (i == (ranges.length - 1) || argc == argv.length) { 1753 try { 1754 mConnector.execute("network", Arrays.copyOf(argv, argc)); 1755 } catch (NativeDaemonConnectorException e) { 1756 throw e.rethrowAsParcelableException(); 1757 } 1758 argc = 3; 1759 } 1760 } 1761 } 1762 1763 @Override 1764 public void flushNetworkDnsCache(int netId) { 1765 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1766 try { 1767 mConnector.execute("resolver", "flushnet", netId); 1768 } catch (NativeDaemonConnectorException e) { 1769 throw e.rethrowAsParcelableException(); 1770 } 1771 } 1772 1773 @Override 1774 public void setFirewallEnabled(boolean enabled) { 1775 enforceSystemUid(); 1776 try { 1777 mConnector.execute("firewall", enabled ? "enable" : "disable"); 1778 mFirewallEnabled = enabled; 1779 } catch (NativeDaemonConnectorException e) { 1780 throw e.rethrowAsParcelableException(); 1781 } 1782 } 1783 1784 @Override 1785 public boolean isFirewallEnabled() { 1786 enforceSystemUid(); 1787 return mFirewallEnabled; 1788 } 1789 1790 @Override 1791 public void setFirewallInterfaceRule(String iface, boolean allow) { 1792 enforceSystemUid(); 1793 Preconditions.checkState(mFirewallEnabled); 1794 final String rule = allow ? "allow" : "deny"; 1795 try { 1796 mConnector.execute("firewall", "set_interface_rule", iface, rule); 1797 } catch (NativeDaemonConnectorException e) { 1798 throw e.rethrowAsParcelableException(); 1799 } 1800 } 1801 1802 @Override 1803 public void setFirewallEgressSourceRule(String addr, boolean allow) { 1804 enforceSystemUid(); 1805 Preconditions.checkState(mFirewallEnabled); 1806 final String rule = allow ? "allow" : "deny"; 1807 try { 1808 mConnector.execute("firewall", "set_egress_source_rule", addr, rule); 1809 } catch (NativeDaemonConnectorException e) { 1810 throw e.rethrowAsParcelableException(); 1811 } 1812 } 1813 1814 @Override 1815 public void setFirewallEgressDestRule(String addr, int port, boolean allow) { 1816 enforceSystemUid(); 1817 Preconditions.checkState(mFirewallEnabled); 1818 final String rule = allow ? "allow" : "deny"; 1819 try { 1820 mConnector.execute("firewall", "set_egress_dest_rule", addr, port, rule); 1821 } catch (NativeDaemonConnectorException e) { 1822 throw e.rethrowAsParcelableException(); 1823 } 1824 } 1825 1826 @Override 1827 public void setFirewallUidRule(int uid, boolean allow) { 1828 enforceSystemUid(); 1829 Preconditions.checkState(mFirewallEnabled); 1830 final String rule = allow ? "allow" : "deny"; 1831 try { 1832 mConnector.execute("firewall", "set_uid_rule", uid, rule); 1833 } catch (NativeDaemonConnectorException e) { 1834 throw e.rethrowAsParcelableException(); 1835 } 1836 } 1837 1838 private static void enforceSystemUid() { 1839 final int uid = Binder.getCallingUid(); 1840 if (uid != Process.SYSTEM_UID) { 1841 throw new SecurityException("Only available to AID_SYSTEM"); 1842 } 1843 } 1844 1845 @Override 1846 public void startClatd(String interfaceName) throws IllegalStateException { 1847 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1848 1849 try { 1850 mConnector.execute("clatd", "start", interfaceName); 1851 } catch (NativeDaemonConnectorException e) { 1852 throw e.rethrowAsParcelableException(); 1853 } 1854 } 1855 1856 @Override 1857 public void stopClatd() throws IllegalStateException { 1858 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1859 1860 try { 1861 mConnector.execute("clatd", "stop"); 1862 } catch (NativeDaemonConnectorException e) { 1863 throw e.rethrowAsParcelableException(); 1864 } 1865 } 1866 1867 @Override 1868 public boolean isClatdStarted() { 1869 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1870 1871 final NativeDaemonEvent event; 1872 try { 1873 event = mConnector.execute("clatd", "status"); 1874 } catch (NativeDaemonConnectorException e) { 1875 throw e.rethrowAsParcelableException(); 1876 } 1877 1878 event.checkCode(ClatdStatusResult); 1879 return event.getMessage().endsWith("started"); 1880 } 1881 1882 @Override 1883 public void registerNetworkActivityListener(INetworkActivityListener listener) { 1884 mNetworkActivityListeners.register(listener); 1885 } 1886 1887 @Override 1888 public void unregisterNetworkActivityListener(INetworkActivityListener listener) { 1889 mNetworkActivityListeners.unregister(listener); 1890 } 1891 1892 @Override 1893 public boolean isNetworkActive() { 1894 synchronized (mNetworkActivityListeners) { 1895 return mNetworkActive || mActiveIdleTimers.isEmpty(); 1896 } 1897 } 1898 1899 private void reportNetworkActive() { 1900 final int length = mNetworkActivityListeners.beginBroadcast(); 1901 try { 1902 for (int i = 0; i < length; i++) { 1903 try { 1904 mNetworkActivityListeners.getBroadcastItem(i).onNetworkActive(); 1905 } catch (RemoteException e) { 1906 } catch (RuntimeException e) { 1907 } 1908 } 1909 } finally { 1910 mNetworkActivityListeners.finishBroadcast(); 1911 } 1912 } 1913 1914 /** {@inheritDoc} */ 1915 @Override 1916 public void monitor() { 1917 if (mConnector != null) { 1918 mConnector.monitor(); 1919 } 1920 } 1921 1922 @Override 1923 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 1924 mContext.enforceCallingOrSelfPermission(DUMP, TAG); 1925 1926 pw.println("NetworkManagementService NativeDaemonConnector Log:"); 1927 mConnector.dump(fd, pw, args); 1928 pw.println(); 1929 1930 pw.print("Bandwidth control enabled: "); pw.println(mBandwidthControlEnabled); 1931 pw.print("mMobileActivityFromRadio="); pw.print(mMobileActivityFromRadio); 1932 pw.print(" mLastPowerStateFromRadio="); pw.println(mLastPowerStateFromRadio); 1933 pw.print("mNetworkActive="); pw.println(mNetworkActive); 1934 1935 synchronized (mQuotaLock) { 1936 pw.print("Active quota ifaces: "); pw.println(mActiveQuotas.toString()); 1937 pw.print("Active alert ifaces: "); pw.println(mActiveAlerts.toString()); 1938 } 1939 1940 synchronized (mUidRejectOnQuota) { 1941 pw.print("UID reject on quota ifaces: ["); 1942 final int size = mUidRejectOnQuota.size(); 1943 for (int i = 0; i < size; i++) { 1944 pw.print(mUidRejectOnQuota.keyAt(i)); 1945 if (i < size - 1) pw.print(","); 1946 } 1947 pw.println("]"); 1948 } 1949 1950 synchronized (mIdleTimerLock) { 1951 pw.println("Idle timers:"); 1952 for (HashMap.Entry<String, IdleTimerParams> ent : mActiveIdleTimers.entrySet()) { 1953 pw.print(" "); pw.print(ent.getKey()); pw.println(":"); 1954 IdleTimerParams params = ent.getValue(); 1955 pw.print(" timeout="); pw.print(params.timeout); 1956 pw.print(" type="); pw.print(params.type); 1957 pw.print(" networkCount="); pw.println(params.networkCount); 1958 } 1959 } 1960 1961 pw.print("Firewall enabled: "); pw.println(mFirewallEnabled); 1962 } 1963 1964 @Override 1965 public void createPhysicalNetwork(int netId) { 1966 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1967 1968 try { 1969 mConnector.execute("network", "create", netId); 1970 } catch (NativeDaemonConnectorException e) { 1971 throw e.rethrowAsParcelableException(); 1972 } 1973 } 1974 1975 @Override 1976 public void createVirtualNetwork(int netId, boolean hasDNS, boolean secure) { 1977 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1978 1979 try { 1980 mConnector.execute("network", "create", netId, "vpn", hasDNS ? "1" : "0", 1981 secure ? "1" : "0"); 1982 } catch (NativeDaemonConnectorException e) { 1983 throw e.rethrowAsParcelableException(); 1984 } 1985 } 1986 1987 @Override 1988 public void removeNetwork(int netId) { 1989 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 1990 1991 try { 1992 mConnector.execute("network", "destroy", netId); 1993 } catch (NativeDaemonConnectorException e) { 1994 throw e.rethrowAsParcelableException(); 1995 } 1996 } 1997 1998 @Override 1999 public void addInterfaceToNetwork(String iface, int netId) { 2000 modifyInterfaceInNetwork("add", "" + netId, iface); 2001 } 2002 2003 @Override 2004 public void removeInterfaceFromNetwork(String iface, int netId) { 2005 modifyInterfaceInNetwork("remove", "" + netId, iface); 2006 } 2007 2008 private void modifyInterfaceInNetwork(String action, String netId, String iface) { 2009 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 2010 try { 2011 mConnector.execute("network", "interface", action, netId, iface); 2012 } catch (NativeDaemonConnectorException e) { 2013 throw e.rethrowAsParcelableException(); 2014 } 2015 } 2016 2017 @Override 2018 public void addLegacyRouteForNetId(int netId, RouteInfo routeInfo, int uid) { 2019 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 2020 2021 final Command cmd = new Command("network", "route", "legacy", uid, "add", netId); 2022 2023 // create triplet: interface dest-ip-addr/prefixlength gateway-ip-addr 2024 final LinkAddress la = routeInfo.getDestinationLinkAddress(); 2025 cmd.appendArg(routeInfo.getInterface()); 2026 cmd.appendArg(la.getAddress().getHostAddress() + "/" + la.getPrefixLength()); 2027 if (routeInfo.hasGateway()) { 2028 cmd.appendArg(routeInfo.getGateway().getHostAddress()); 2029 } 2030 2031 try { 2032 mConnector.execute(cmd); 2033 } catch (NativeDaemonConnectorException e) { 2034 throw e.rethrowAsParcelableException(); 2035 } 2036 } 2037 2038 @Override 2039 public void setDefaultNetId(int netId) { 2040 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 2041 2042 try { 2043 mConnector.execute("network", "default", "set", netId); 2044 } catch (NativeDaemonConnectorException e) { 2045 throw e.rethrowAsParcelableException(); 2046 } 2047 } 2048 2049 @Override 2050 public void clearDefaultNetId() { 2051 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 2052 2053 try { 2054 mConnector.execute("network", "default", "clear"); 2055 } catch (NativeDaemonConnectorException e) { 2056 throw e.rethrowAsParcelableException(); 2057 } 2058 } 2059 2060 @Override 2061 public void setPermission(String permission, int[] uids) { 2062 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 2063 2064 Object[] argv = new Object[4 + MAX_UID_RANGES_PER_COMMAND]; 2065 argv[0] = "permission"; 2066 argv[1] = "user"; 2067 argv[2] = "set"; 2068 argv[3] = permission; 2069 int argc = 4; 2070 // Avoid overly long commands by limiting number of UIDs per command. 2071 for (int i = 0; i < uids.length; ++i) { 2072 argv[argc++] = uids[i]; 2073 if (i == uids.length - 1 || argc == argv.length) { 2074 try { 2075 mConnector.execute("network", Arrays.copyOf(argv, argc)); 2076 } catch (NativeDaemonConnectorException e) { 2077 throw e.rethrowAsParcelableException(); 2078 } 2079 argc = 4; 2080 } 2081 } 2082 } 2083 2084 @Override 2085 public void clearPermission(int[] uids) { 2086 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 2087 2088 Object[] argv = new Object[3 + MAX_UID_RANGES_PER_COMMAND]; 2089 argv[0] = "permission"; 2090 argv[1] = "user"; 2091 argv[2] = "clear"; 2092 int argc = 3; 2093 // Avoid overly long commands by limiting number of UIDs per command. 2094 for (int i = 0; i < uids.length; ++i) { 2095 argv[argc++] = uids[i]; 2096 if (i == uids.length - 1 || argc == argv.length) { 2097 try { 2098 mConnector.execute("network", Arrays.copyOf(argv, argc)); 2099 } catch (NativeDaemonConnectorException e) { 2100 throw e.rethrowAsParcelableException(); 2101 } 2102 argc = 3; 2103 } 2104 } 2105 } 2106 2107 @Override 2108 public void allowProtect(int uid) { 2109 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 2110 2111 try { 2112 mConnector.execute("network", "protect", "allow", uid); 2113 } catch (NativeDaemonConnectorException e) { 2114 throw e.rethrowAsParcelableException(); 2115 } 2116 } 2117 2118 @Override 2119 public void denyProtect(int uid) { 2120 mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG); 2121 2122 try { 2123 mConnector.execute("network", "protect", "deny", uid); 2124 } catch (NativeDaemonConnectorException e) { 2125 throw e.rethrowAsParcelableException(); 2126 } 2127 } 2128 2129 @Override 2130 public void addInterfaceToLocalNetwork(String iface, List<RouteInfo> routes) { 2131 modifyInterfaceInNetwork("add", "local", iface); 2132 2133 for (RouteInfo route : routes) { 2134 if (!route.isDefaultRoute()) { 2135 modifyRoute("add", "local", route); 2136 } 2137 } 2138 } 2139 2140 @Override 2141 public void removeInterfaceFromLocalNetwork(String iface) { 2142 modifyInterfaceInNetwork("remove", "local", iface); 2143 } 2144 } 2145
