| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.wifi; |
| |
| import static com.android.server.connectivity.tethering.IControlsTethering.STATE_TETHERED; |
| import static com.android.server.wifi.WifiController.CMD_AIRPLANE_TOGGLED; |
| import static com.android.server.wifi.WifiController.CMD_BATTERY_CHANGED; |
| import static com.android.server.wifi.WifiController.CMD_EMERGENCY_CALL_STATE_CHANGED; |
| import static com.android.server.wifi.WifiController.CMD_EMERGENCY_MODE_CHANGED; |
| import static com.android.server.wifi.WifiController.CMD_LOCKS_CHANGED; |
| import static com.android.server.wifi.WifiController.CMD_SCAN_ALWAYS_MODE_CHANGED; |
| import static com.android.server.wifi.WifiController.CMD_SCREEN_OFF; |
| import static com.android.server.wifi.WifiController.CMD_SCREEN_ON; |
| import static com.android.server.wifi.WifiController.CMD_SET_AP; |
| import static com.android.server.wifi.WifiController.CMD_USER_PRESENT; |
| import static com.android.server.wifi.WifiController.CMD_WIFI_TOGGLED; |
| |
| import android.Manifest; |
| import android.app.AppOpsManager; |
| import android.bluetooth.BluetoothAdapter; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ParceledListSlice; |
| import android.database.ContentObserver; |
| import android.net.DhcpInfo; |
| import android.net.DhcpResults; |
| import android.net.Network; |
| import android.net.NetworkUtils; |
| import android.net.Uri; |
| import android.net.ip.IpManager; |
| import android.net.wifi.IWifiManager; |
| import android.net.wifi.ScanResult; |
| import android.net.wifi.ScanSettings; |
| import android.net.wifi.WifiActivityEnergyInfo; |
| import android.net.wifi.WifiConfiguration; |
| import android.net.wifi.WifiConnectionStatistics; |
| import android.net.wifi.WifiEnterpriseConfig; |
| import android.net.wifi.WifiInfo; |
| import android.net.wifi.WifiLinkLayerStats; |
| import android.net.wifi.WifiManager; |
| import android.net.wifi.WifiScanner; |
| import android.net.wifi.hotspot2.PasspointConfiguration; |
| import android.os.AsyncTask; |
| import android.os.BatteryStats; |
| import android.os.Binder; |
| import android.os.Build; |
| import android.os.Bundle; |
| import android.os.HandlerThread; |
| import android.os.IBinder; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.os.Messenger; |
| import android.os.PowerManager; |
| import android.os.Process; |
| import android.os.RemoteException; |
| import android.os.ResultReceiver; |
| import android.os.SystemClock; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.os.WorkSource; |
| import android.provider.Settings; |
| import android.text.TextUtils; |
| import android.util.Log; |
| import android.util.Slog; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.internal.telephony.IccCardConstants; |
| import com.android.internal.telephony.PhoneConstants; |
| import com.android.internal.telephony.TelephonyIntents; |
| import com.android.internal.util.AsyncChannel; |
| import com.android.server.wifi.util.WifiHandler; |
| import com.android.server.wifi.util.WifiPermissionsUtil; |
| |
| import java.io.BufferedReader; |
| import java.io.FileDescriptor; |
| import java.io.FileNotFoundException; |
| import java.io.FileReader; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.net.Inet4Address; |
| import java.net.InetAddress; |
| import java.security.GeneralSecurityException; |
| import java.security.KeyStore; |
| import java.security.cert.CertPath; |
| import java.security.cert.CertPathValidator; |
| import java.security.cert.CertPathValidatorException; |
| import java.security.cert.CertificateFactory; |
| import java.security.cert.PKIXParameters; |
| import java.security.cert.X509Certificate; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| /** |
| * WifiService handles remote WiFi operation requests by implementing |
| * the IWifiManager interface. |
| * |
| * @hide |
| */ |
| public class WifiServiceImpl extends IWifiManager.Stub { |
| private static final String TAG = "WifiService"; |
| private static final boolean DBG = true; |
| private static final boolean VDBG = false; |
| |
| // Package names for Settings, QuickSettings and QuickQuickSettings |
| private static final String SYSUI_PACKAGE_NAME = "com.android.systemui"; |
| private static final String SETTINGS_PACKAGE_NAME = "com.android.settings"; |
| |
| // Dumpsys argument to enable/disable disconnect on IP reachability failures. |
| private static final String DUMP_ARG_SET_IPREACH_DISCONNECT = "set-ipreach-disconnect"; |
| private static final String DUMP_ARG_SET_IPREACH_DISCONNECT_ENABLED = "enabled"; |
| private static final String DUMP_ARG_SET_IPREACH_DISCONNECT_DISABLED = "disabled"; |
| |
| final WifiStateMachine mWifiStateMachine; |
| |
| private final Context mContext; |
| private final FrameworkFacade mFacade; |
| |
| private final PowerManager mPowerManager; |
| private final AppOpsManager mAppOps; |
| private final UserManager mUserManager; |
| private final WifiCountryCode mCountryCode; |
| // Debug counter tracking scan requests sent by WifiManager |
| private int scanRequestCounter = 0; |
| |
| /* Polls traffic stats and notifies clients */ |
| private WifiTrafficPoller mTrafficPoller; |
| /* Tracks the persisted states for wi-fi & airplane mode */ |
| final WifiSettingsStore mSettingsStore; |
| /* Logs connection events and some general router and scan stats */ |
| private final WifiMetrics mWifiMetrics; |
| /* Manages affiliated certificates for current user */ |
| private final WifiCertManager mCertManager; |
| |
| private final WifiInjector mWifiInjector; |
| /* Backup/Restore Module */ |
| private final WifiBackupRestore mWifiBackupRestore; |
| |
| private WifiScanner mWifiScanner; |
| |
| private WifiLog mLog; |
| /** |
| * Asynchronous channel to WifiStateMachine |
| */ |
| private AsyncChannel mWifiStateMachineChannel; |
| |
| private WifiPermissionsUtil mWifiPermissionsUtil; |
| |
| private final boolean mPermissionReviewRequired; |
| private final FrameworkFacade mFrameworkFacade; |
| |
| /** |
| * Handles client connections |
| */ |
| private class ClientHandler extends WifiHandler { |
| |
| ClientHandler(String tag, Looper looper) { |
| super(tag, looper); |
| } |
| |
| @Override |
| public void handleMessage(Message msg) { |
| super.handleMessage(msg); |
| switch (msg.what) { |
| case AsyncChannel.CMD_CHANNEL_HALF_CONNECTED: { |
| if (msg.arg1 == AsyncChannel.STATUS_SUCCESSFUL) { |
| if (DBG) Slog.d(TAG, "New client listening to asynchronous messages"); |
| // We track the clients by the Messenger |
| // since it is expected to be always available |
| mTrafficPoller.addClient(msg.replyTo); |
| } else { |
| Slog.e(TAG, "Client connection failure, error=" + msg.arg1); |
| } |
| break; |
| } |
| case AsyncChannel.CMD_CHANNEL_DISCONNECTED: { |
| if (msg.arg1 == AsyncChannel.STATUS_SEND_UNSUCCESSFUL) { |
| if (DBG) Slog.d(TAG, "Send failed, client connection lost"); |
| } else { |
| if (DBG) Slog.d(TAG, "Client connection lost with reason: " + msg.arg1); |
| } |
| mTrafficPoller.removeClient(msg.replyTo); |
| break; |
| } |
| case AsyncChannel.CMD_CHANNEL_FULL_CONNECTION: { |
| AsyncChannel ac = mFrameworkFacade.makeWifiAsyncChannel(TAG); |
| ac.connect(mContext, this, msg.replyTo); |
| break; |
| } |
| case WifiManager.CONNECT_NETWORK: { |
| WifiConfiguration config = (WifiConfiguration) msg.obj; |
| int networkId = msg.arg1; |
| Slog.d("WiFiServiceImpl ", "CONNECT " |
| + " nid=" + Integer.toString(networkId) |
| + " uid=" + msg.sendingUid |
| + " name=" |
| + mContext.getPackageManager().getNameForUid(msg.sendingUid)); |
| if (config != null && isValid(config)) { |
| if (DBG) Slog.d(TAG, "Connect with config " + config); |
| /* Command is forwarded to state machine */ |
| mWifiStateMachine.sendMessage(Message.obtain(msg)); |
| } else if (config == null |
| && networkId != WifiConfiguration.INVALID_NETWORK_ID) { |
| if (DBG) Slog.d(TAG, "Connect with networkId " + networkId); |
| mWifiStateMachine.sendMessage(Message.obtain(msg)); |
| } else { |
| Slog.e(TAG, "ClientHandler.handleMessage ignoring invalid msg=" + msg); |
| replyFailed(msg, WifiManager.CONNECT_NETWORK_FAILED, |
| WifiManager.INVALID_ARGS); |
| } |
| break; |
| } |
| case WifiManager.SAVE_NETWORK: { |
| WifiConfiguration config = (WifiConfiguration) msg.obj; |
| int networkId = msg.arg1; |
| Slog.d("WiFiServiceImpl ", "SAVE" |
| + " nid=" + Integer.toString(networkId) |
| + " uid=" + msg.sendingUid |
| + " name=" |
| + mContext.getPackageManager().getNameForUid(msg.sendingUid)); |
| if (config != null && isValid(config)) { |
| if (DBG) Slog.d(TAG, "Save network with config " + config); |
| /* Command is forwarded to state machine */ |
| mWifiStateMachine.sendMessage(Message.obtain(msg)); |
| } else { |
| Slog.e(TAG, "ClientHandler.handleMessage ignoring invalid msg=" + msg); |
| replyFailed(msg, WifiManager.SAVE_NETWORK_FAILED, |
| WifiManager.INVALID_ARGS); |
| } |
| break; |
| } |
| case WifiManager.FORGET_NETWORK: |
| mWifiStateMachine.sendMessage(Message.obtain(msg)); |
| break; |
| case WifiManager.START_WPS: |
| case WifiManager.CANCEL_WPS: |
| case WifiManager.DISABLE_NETWORK: |
| case WifiManager.RSSI_PKTCNT_FETCH: { |
| mWifiStateMachine.sendMessage(Message.obtain(msg)); |
| break; |
| } |
| default: { |
| Slog.d(TAG, "ClientHandler.handleMessage ignoring msg=" + msg); |
| break; |
| } |
| } |
| } |
| |
| private void replyFailed(Message msg, int what, int why) { |
| if (msg.replyTo == null) return; |
| Message reply = Message.obtain(); |
| reply.what = what; |
| reply.arg1 = why; |
| try { |
| msg.replyTo.send(reply); |
| } catch (RemoteException e) { |
| // There's not much we can do if reply can't be sent! |
| } |
| } |
| } |
| private ClientHandler mClientHandler; |
| |
| /** |
| * Handles interaction with WifiStateMachine |
| */ |
| private class WifiStateMachineHandler extends WifiHandler { |
| private AsyncChannel mWsmChannel; |
| |
| WifiStateMachineHandler(String tag, Looper looper, AsyncChannel asyncChannel) { |
| super(tag, looper); |
| mWsmChannel = asyncChannel; |
| mWsmChannel.connect(mContext, this, mWifiStateMachine.getHandler()); |
| } |
| |
| @Override |
| public void handleMessage(Message msg) { |
| super.handleMessage(msg); |
| switch (msg.what) { |
| case AsyncChannel.CMD_CHANNEL_HALF_CONNECTED: { |
| if (msg.arg1 == AsyncChannel.STATUS_SUCCESSFUL) { |
| mWifiStateMachineChannel = mWsmChannel; |
| } else { |
| Slog.e(TAG, "WifiStateMachine connection failure, error=" + msg.arg1); |
| mWifiStateMachineChannel = null; |
| } |
| break; |
| } |
| case AsyncChannel.CMD_CHANNEL_DISCONNECTED: { |
| Slog.e(TAG, "WifiStateMachine channel lost, msg.arg1 =" + msg.arg1); |
| mWifiStateMachineChannel = null; |
| //Re-establish connection to state machine |
| mWsmChannel.connect(mContext, this, mWifiStateMachine.getHandler()); |
| break; |
| } |
| default: { |
| Slog.d(TAG, "WifiStateMachineHandler.handleMessage ignoring msg=" + msg); |
| break; |
| } |
| } |
| } |
| } |
| |
| WifiStateMachineHandler mWifiStateMachineHandler; |
| private WifiController mWifiController; |
| private final WifiLockManager mWifiLockManager; |
| private final WifiMulticastLockManager mWifiMulticastLockManager; |
| |
| public WifiServiceImpl(Context context, WifiInjector wifiInjector, AsyncChannel asyncChannel) { |
| mContext = context; |
| mWifiInjector = wifiInjector; |
| |
| mFacade = mWifiInjector.getFrameworkFacade(); |
| mWifiMetrics = mWifiInjector.getWifiMetrics(); |
| mTrafficPoller = mWifiInjector.getWifiTrafficPoller(); |
| mUserManager = mWifiInjector.getUserManager(); |
| mCountryCode = mWifiInjector.getWifiCountryCode(); |
| mWifiStateMachine = mWifiInjector.getWifiStateMachine(); |
| mWifiStateMachine.enableRssiPolling(true); |
| mSettingsStore = mWifiInjector.getWifiSettingsStore(); |
| mPowerManager = mContext.getSystemService(PowerManager.class); |
| mAppOps = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE); |
| mCertManager = mWifiInjector.getWifiCertManager(); |
| mWifiLockManager = mWifiInjector.getWifiLockManager(); |
| mWifiMulticastLockManager = mWifiInjector.getWifiMulticastLockManager(); |
| HandlerThread wifiServiceHandlerThread = mWifiInjector.getWifiServiceHandlerThread(); |
| mClientHandler = new ClientHandler(TAG, wifiServiceHandlerThread.getLooper()); |
| mWifiStateMachineHandler = new WifiStateMachineHandler(TAG, |
| wifiServiceHandlerThread.getLooper(), asyncChannel); |
| mWifiController = mWifiInjector.getWifiController(); |
| mWifiBackupRestore = mWifiInjector.getWifiBackupRestore(); |
| mPermissionReviewRequired = Build.PERMISSIONS_REVIEW_REQUIRED |
| || context.getResources().getBoolean( |
| com.android.internal.R.bool.config_permissionReviewRequired); |
| mWifiPermissionsUtil = mWifiInjector.getWifiPermissionsUtil(); |
| mLog = mWifiInjector.makeLog(TAG); |
| mFrameworkFacade = wifiInjector.getFrameworkFacade(); |
| enableVerboseLoggingInternal(getVerboseLoggingLevel()); |
| } |
| |
| /** |
| * Provide a way for unit tests to set valid log object in the WifiHandler |
| * @param log WifiLog object to assign to the clientHandler |
| */ |
| @VisibleForTesting |
| public void setWifiHandlerLogForTest(WifiLog log) { |
| mClientHandler.setWifiLog(log); |
| } |
| |
| /** |
| * Check if we are ready to start wifi. |
| * |
| * First check if we will be restarting system services to decrypt the device. If the device is |
| * not encrypted, check if Wi-Fi needs to be enabled and start if needed |
| * |
| * This function is used only at boot time. |
| */ |
| public void checkAndStartWifi() { |
| // First check if we will end up restarting WifiService |
| if (mFrameworkFacade.inStorageManagerCryptKeeperBounce()) { |
| Log.d(TAG, "Device still encrypted. Need to restart SystemServer. Do not start wifi."); |
| return; |
| } |
| |
| // Check if wi-fi needs to be enabled |
| boolean wifiEnabled = mSettingsStore.isWifiToggleEnabled(); |
| Slog.i(TAG, "WifiService starting up with Wi-Fi " + |
| (wifiEnabled ? "enabled" : "disabled")); |
| |
| registerForScanModeChange(); |
| mContext.registerReceiver( |
| new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| if (mSettingsStore.handleAirplaneModeToggled()) { |
| mWifiController.sendMessage(CMD_AIRPLANE_TOGGLED); |
| } |
| if (mSettingsStore.isAirplaneModeOn()) { |
| Log.d(TAG, "resetting country code because Airplane mode is ON"); |
| mCountryCode.airplaneModeEnabled(); |
| } |
| } |
| }, |
| new IntentFilter(Intent.ACTION_AIRPLANE_MODE_CHANGED)); |
| |
| mContext.registerReceiver( |
| new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| String state = intent.getStringExtra(IccCardConstants.INTENT_KEY_ICC_STATE); |
| if (IccCardConstants.INTENT_VALUE_ICC_ABSENT.equals(state)) { |
| Log.d(TAG, "resetting networks because SIM was removed"); |
| mWifiStateMachine.resetSimAuthNetworks(false); |
| Log.d(TAG, "resetting country code because SIM is removed"); |
| mCountryCode.simCardRemoved(); |
| } else if (IccCardConstants.INTENT_VALUE_ICC_LOADED.equals(state)) { |
| Log.d(TAG, "resetting networks because SIM was loaded"); |
| mWifiStateMachine.resetSimAuthNetworks(true); |
| } |
| } |
| }, |
| new IntentFilter(TelephonyIntents.ACTION_SIM_STATE_CHANGED)); |
| |
| // Adding optimizations of only receiving broadcasts when wifi is enabled |
| // can result in race conditions when apps toggle wifi in the background |
| // without active user involvement. Always receive broadcasts. |
| registerForBroadcasts(); |
| registerForPackageOrUserRemoval(); |
| mInIdleMode = mPowerManager.isDeviceIdleMode(); |
| |
| if (!mWifiStateMachine.syncInitialize(mWifiStateMachineChannel)) { |
| Log.wtf(TAG, "Failed to initialize WifiStateMachine"); |
| } |
| mWifiController.start(); |
| |
| // If we are already disabled (could be due to airplane mode), avoid changing persist |
| // state here |
| if (wifiEnabled) { |
| try { |
| setWifiEnabled(mContext.getPackageName(), wifiEnabled); |
| } catch (RemoteException e) { |
| /* ignore - local call */ |
| } |
| } |
| } |
| |
| public void handleUserSwitch(int userId) { |
| mWifiStateMachine.handleUserSwitch(userId); |
| } |
| |
| public void handleUserUnlock(int userId) { |
| mWifiStateMachine.handleUserUnlock(userId); |
| } |
| |
| public void handleUserStop(int userId) { |
| mWifiStateMachine.handleUserStop(userId); |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#startScan} |
| * and {@link android.net.wifi.WifiManager#startCustomizedScan} |
| * |
| * @param settings If null, use default parameter, i.e. full scan. |
| * @param workSource If null, all blame is given to the calling uid. |
| */ |
| @Override |
| public void startScan(ScanSettings settings, WorkSource workSource) { |
| enforceChangePermission(); |
| mLog.trace("startScan uid=%").c(Binder.getCallingUid()).flush(); |
| synchronized (this) { |
| if (mWifiScanner == null) { |
| mWifiScanner = mWifiInjector.getWifiScanner(); |
| } |
| if (mInIdleMode) { |
| // Need to send an immediate scan result broadcast in case the |
| // caller is waiting for a result .. |
| |
| // clear calling identity to send broadcast |
| long callingIdentity = Binder.clearCallingIdentity(); |
| try { |
| // TODO: investigate if the logic to cancel scans when idle can move to |
| // WifiScanningServiceImpl. This will 1 - clean up WifiServiceImpl and 2 - |
| // avoid plumbing an awkward path to report a cancelled/failed scan. This will |
| // be sent directly until b/31398592 is fixed. |
| Intent intent = new Intent(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| intent.putExtra(WifiManager.EXTRA_RESULTS_UPDATED, false); |
| mContext.sendBroadcastAsUser(intent, UserHandle.ALL); |
| } finally { |
| // restore calling identity |
| Binder.restoreCallingIdentity(callingIdentity); |
| } |
| mScanPending = true; |
| return; |
| } |
| } |
| if (settings != null) { |
| settings = new ScanSettings(settings); |
| if (!settings.isValid()) { |
| Slog.e(TAG, "invalid scan setting"); |
| return; |
| } |
| } |
| if (workSource != null) { |
| enforceWorkSourcePermission(); |
| // WifiManager currently doesn't use names, so need to clear names out of the |
| // supplied WorkSource to allow future WorkSource combining. |
| workSource.clearNames(); |
| } |
| if (workSource == null && Binder.getCallingUid() >= 0) { |
| workSource = new WorkSource(Binder.getCallingUid()); |
| } |
| mWifiStateMachine.startScan(Binder.getCallingUid(), scanRequestCounter++, |
| settings, workSource); |
| } |
| |
| @Override |
| public String getWpsNfcConfigurationToken(int netId) { |
| enforceConnectivityInternalPermission(); |
| mLog.trace("getWpsNfcConfigurationToken uid=%").c(Binder.getCallingUid()).flush(); |
| // TODO Add private logging for netId b/33807876 |
| return mWifiStateMachine.syncGetWpsNfcConfigurationToken(netId); |
| } |
| |
| boolean mInIdleMode; |
| boolean mScanPending; |
| |
| void handleIdleModeChanged() { |
| boolean doScan = false; |
| synchronized (this) { |
| boolean idle = mPowerManager.isDeviceIdleMode(); |
| if (mInIdleMode != idle) { |
| mInIdleMode = idle; |
| if (!idle) { |
| if (mScanPending) { |
| mScanPending = false; |
| doScan = true; |
| } |
| } |
| } |
| } |
| if (doScan) { |
| // Someone requested a scan while we were idle; do a full scan now. |
| startScan(null, null); |
| } |
| } |
| |
| private void enforceNetworkStackPermission() { |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.NETWORK_STACK, |
| "WifiService"); |
| } |
| |
| private void enforceAccessPermission() { |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.ACCESS_WIFI_STATE, |
| "WifiService"); |
| } |
| |
| private void enforceChangePermission() { |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.CHANGE_WIFI_STATE, |
| "WifiService"); |
| } |
| |
| private void enforceLocationHardwarePermission() { |
| mContext.enforceCallingOrSelfPermission(Manifest.permission.LOCATION_HARDWARE, |
| "LocationHardware"); |
| } |
| |
| private void enforceReadCredentialPermission() { |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.READ_WIFI_CREDENTIAL, |
| "WifiService"); |
| } |
| |
| private void enforceWorkSourcePermission() { |
| mContext.enforceCallingPermission(android.Manifest.permission.UPDATE_DEVICE_STATS, |
| "WifiService"); |
| |
| } |
| |
| private void enforceMulticastChangePermission() { |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.CHANGE_WIFI_MULTICAST_STATE, |
| "WifiService"); |
| } |
| |
| private void enforceConnectivityInternalPermission() { |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.CONNECTIVITY_INTERNAL, |
| "ConnectivityService"); |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#setWifiEnabled(boolean)} |
| * @param enable {@code true} to enable, {@code false} to disable. |
| * @return {@code true} if the enable/disable operation was |
| * started or is already in the queue. |
| */ |
| @Override |
| public synchronized boolean setWifiEnabled(String packageName, boolean enable) |
| throws RemoteException { |
| enforceChangePermission(); |
| Slog.d(TAG, "setWifiEnabled: " + enable + " pid=" + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid() + ", package=" + packageName); |
| mLog.trace("setWifiEnabled package=% uid=% enable=%").c(packageName) |
| .c(Binder.getCallingUid()).c(enable).flush(); |
| |
| // If SoftAp is enabled, only Settings is allowed to toggle wifi |
| boolean apEnabled = |
| mWifiStateMachine.syncGetWifiApState() != WifiManager.WIFI_AP_STATE_DISABLED; |
| boolean isFromSettings = |
| packageName.equals(SYSUI_PACKAGE_NAME) || packageName.equals(SETTINGS_PACKAGE_NAME); |
| if (apEnabled && !isFromSettings) { |
| mLog.trace("setWifiEnabled SoftAp not disabled: only Settings can enable wifi").flush(); |
| return false; |
| } |
| |
| /* |
| * Caller might not have WRITE_SECURE_SETTINGS, |
| * only CHANGE_WIFI_STATE is enforced |
| */ |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| if (! mSettingsStore.handleWifiToggled(enable)) { |
| // Nothing to do if wifi cannot be toggled |
| return true; |
| } |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| |
| |
| if (mPermissionReviewRequired) { |
| final int wiFiEnabledState = getWifiEnabledState(); |
| if (enable) { |
| if (wiFiEnabledState == WifiManager.WIFI_STATE_DISABLING |
| || wiFiEnabledState == WifiManager.WIFI_STATE_DISABLED) { |
| if (startConsentUi(packageName, Binder.getCallingUid(), |
| WifiManager.ACTION_REQUEST_ENABLE)) { |
| return true; |
| } |
| } |
| } else if (wiFiEnabledState == WifiManager.WIFI_STATE_ENABLING |
| || wiFiEnabledState == WifiManager.WIFI_STATE_ENABLED) { |
| if (startConsentUi(packageName, Binder.getCallingUid(), |
| WifiManager.ACTION_REQUEST_DISABLE)) { |
| return true; |
| } |
| } |
| } |
| |
| mWifiController.sendMessage(CMD_WIFI_TOGGLED); |
| return true; |
| } |
| |
| /** |
| * see {@link WifiManager#getWifiState()} |
| * @return One of {@link WifiManager#WIFI_STATE_DISABLED}, |
| * {@link WifiManager#WIFI_STATE_DISABLING}, |
| * {@link WifiManager#WIFI_STATE_ENABLED}, |
| * {@link WifiManager#WIFI_STATE_ENABLING}, |
| * {@link WifiManager#WIFI_STATE_UNKNOWN} |
| */ |
| @Override |
| public int getWifiEnabledState() { |
| enforceAccessPermission(); |
| mLog.trace("getWifiEnabledState uid=%").c(Binder.getCallingUid()).flush(); |
| return mWifiStateMachine.syncGetWifiState(); |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#setWifiApEnabled(WifiConfiguration, boolean)} |
| * @param wifiConfig SSID, security and channel details as |
| * part of WifiConfiguration |
| * @param enabled true to enable and false to disable |
| */ |
| @Override |
| public void setWifiApEnabled(WifiConfiguration wifiConfig, boolean enabled) { |
| enforceChangePermission(); |
| mWifiPermissionsUtil.enforceTetherChangePermission(mContext); |
| |
| mLog.trace("setWifiApEnabled uid=% enable=%").c(Binder.getCallingUid()).c(enabled).flush(); |
| |
| if (mUserManager.hasUserRestriction(UserManager.DISALLOW_CONFIG_TETHERING)) { |
| throw new SecurityException("DISALLOW_CONFIG_TETHERING is enabled for this user."); |
| } |
| // null wifiConfig is a meaningful input for CMD_SET_AP |
| if (wifiConfig == null || isValid(wifiConfig)) { |
| mWifiController.sendMessage(CMD_SET_AP, enabled ? 1 : 0, 0, wifiConfig); |
| } else { |
| Slog.e(TAG, "Invalid WifiConfiguration"); |
| } |
| } |
| |
| /** |
| * see {@link WifiManager#getWifiApState()} |
| * @return One of {@link WifiManager#WIFI_AP_STATE_DISABLED}, |
| * {@link WifiManager#WIFI_AP_STATE_DISABLING}, |
| * {@link WifiManager#WIFI_AP_STATE_ENABLED}, |
| * {@link WifiManager#WIFI_AP_STATE_ENABLING}, |
| * {@link WifiManager#WIFI_AP_STATE_FAILED} |
| */ |
| @Override |
| public int getWifiApEnabledState() { |
| enforceAccessPermission(); |
| mLog.trace("getWifiApEnabledState uid=%").c(Binder.getCallingUid()).flush(); |
| return mWifiStateMachine.syncGetWifiApState(); |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#updateInterfaceIpState(String, int)} |
| * |
| * The possible modes include: {@link WifiManager#IFACE_IP_MODE_TETHERED}, |
| * {@link WifiManager#IFACE_IP_MODE_LOCAL_ONLY}, |
| * {@link WifiManager#IFACE_IP_MODE_CONFIGURATION_ERROR} |
| * |
| * @param ifaceName String name of the updated interface |
| * @param mode new operating mode of the interface |
| * |
| * @throws SecurityException if the caller does not have permission to call update |
| */ |
| @Override |
| public void updateInterfaceIpState(String ifaceName, int mode) { |
| // NETWORK_STACK is a signature only permission. |
| enforceNetworkStackPermission(); |
| |
| Slog.d(TAG, "updateInterfaceIpState: ifaceName=" + ifaceName + " mode=" + mode); |
| // TODO: keep track of modes in a datastructure - protect it with a lock of some sort. |
| // TODO: check the mode when startLOHS comes in in case it is already active |
| // TODO: if mode == LOCAL_ONLY, trigger onStarted callbacks |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#startSoftAp(WifiConfiguration)} |
| * @param wifiConfig SSID, security and channel details as |
| * part of WifiConfiguration |
| * @return {@code true} if softap start was triggered |
| * @throws SecurityException if the caller does not have permission to start softap |
| */ |
| @Override |
| public boolean startSoftAp(WifiConfiguration wifiConfig) { |
| // NETWORK_STACK is a signature only permission. |
| enforceNetworkStackPermission(); |
| |
| mLog.trace("startSoftAp uid=%").c(Binder.getCallingUid()).flush(); |
| |
| return startSoftApInternal(wifiConfig, STATE_TETHERED); |
| } |
| |
| private boolean startSoftApInternal(WifiConfiguration wifiConfig, int mode) { |
| mLog.trace("startSoftApInternal uid=% mode=%") |
| .c(Binder.getCallingUid()).c(mode).flush(); |
| |
| // null wifiConfig is a meaningful input for CMD_SET_AP |
| if (wifiConfig == null || isValid(wifiConfig)) { |
| // TODO: need a way to set the mode |
| mWifiController.sendMessage(CMD_SET_AP, 1, 0, wifiConfig); |
| return true; |
| } |
| Slog.e(TAG, "Invalid WifiConfiguration"); |
| return false; |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#stopSoftAp()} |
| * @return {@code true} if softap stop was triggered |
| * @throws SecurityException if the caller does not have permission to stop softap |
| */ |
| @Override |
| public boolean stopSoftAp() { |
| // NETWORK_STACK is a signature only permission. |
| enforceNetworkStackPermission(); |
| |
| mLog.trace("stopSoftAp uid=%").c(Binder.getCallingUid()).flush(); |
| |
| // add checks here to make sure this is the proper caller - apps can't disable tethering or |
| // instances of local only hotspot that they didn't start. return false for those cases |
| |
| return stopSoftApInternal(); |
| } |
| |
| /** |
| * Internal method to stop softap mode. Callers of this method should have already checked |
| * proper permissions beyond the NetworkStack permission. |
| */ |
| private boolean stopSoftApInternal() { |
| mLog.trace("stopSoftApInternal uid=%").c(Binder.getCallingUid()).flush(); |
| |
| mWifiController.sendMessage(CMD_SET_AP, 0, 0); |
| return true; |
| } |
| |
| /** |
| * see {@link WifiManager#getWifiApConfiguration()} |
| * @return soft access point configuration |
| * @throws SecurityException if the caller does not have permission to retrieve the softap |
| * config |
| */ |
| @Override |
| public WifiConfiguration getWifiApConfiguration() { |
| enforceAccessPermission(); |
| int uid = Binder.getCallingUid(); |
| // only allow Settings UI to get the saved SoftApConfig |
| if (!mWifiPermissionsUtil.checkConfigOverridePermission(uid)) { |
| // random apps should not be allowed to read the user specified config |
| throw new SecurityException("App not allowed to read or update stored WiFi Ap config " |
| + "(uid = " + uid + ")"); |
| } |
| mLog.trace("getWifiApConfiguration uid=%").c(uid).flush(); |
| return mWifiStateMachine.syncGetWifiApConfiguration(); |
| } |
| |
| /** |
| * see {@link WifiManager#setWifiApConfiguration(WifiConfiguration)} |
| * @param wifiConfig WifiConfiguration details for soft access point |
| * @throws SecurityException if the caller does not have permission to write the sotap config |
| */ |
| @Override |
| public void setWifiApConfiguration(WifiConfiguration wifiConfig) { |
| enforceChangePermission(); |
| int uid = Binder.getCallingUid(); |
| // only allow Settings UI to write the stored SoftApConfig |
| if (!mWifiPermissionsUtil.checkConfigOverridePermission(uid)) { |
| // random apps should not be allowed to read the user specified config |
| throw new SecurityException("App not allowed to read or update stored WiFi AP config " |
| + "(uid = " + uid + ")"); |
| } |
| mLog.trace("setWifiApConfiguration uid=%").c(uid).flush(); |
| if (wifiConfig == null) |
| return; |
| if (isValid(wifiConfig)) { |
| mWifiStateMachine.setWifiApConfiguration(wifiConfig); |
| } else { |
| Slog.e(TAG, "Invalid WifiConfiguration"); |
| } |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#isScanAlwaysAvailable()} |
| */ |
| @Override |
| public boolean isScanAlwaysAvailable() { |
| enforceAccessPermission(); |
| mLog.trace("isScanAlwaysAvailable uid=%").c(Binder.getCallingUid()).flush(); |
| return mSettingsStore.isScanAlwaysAvailable(); |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#disconnect()} |
| */ |
| @Override |
| public void disconnect() { |
| enforceChangePermission(); |
| mLog.trace("disconnect uid=%").c(Binder.getCallingUid()).flush(); |
| mWifiStateMachine.disconnectCommand(); |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#reconnect()} |
| */ |
| @Override |
| public void reconnect() { |
| enforceChangePermission(); |
| mLog.trace("reconnect uid=%").c(Binder.getCallingUid()).flush(); |
| mWifiStateMachine.reconnectCommand(); |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#reassociate()} |
| */ |
| @Override |
| public void reassociate() { |
| enforceChangePermission(); |
| mLog.trace("reassociate uid=%").c(Binder.getCallingUid()).flush(); |
| mWifiStateMachine.reassociateCommand(); |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#getSupportedFeatures} |
| */ |
| @Override |
| public int getSupportedFeatures() { |
| enforceAccessPermission(); |
| mLog.trace("getSupportedFeatures uid=%").c(Binder.getCallingUid()).flush(); |
| if (mWifiStateMachineChannel != null) { |
| return mWifiStateMachine.syncGetSupportedFeatures(mWifiStateMachineChannel); |
| } else { |
| Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
| return 0; |
| } |
| } |
| |
| @Override |
| public void requestActivityInfo(ResultReceiver result) { |
| Bundle bundle = new Bundle(); |
| mLog.trace("requestActivityInfo uid=%").c(Binder.getCallingUid()).flush(); |
| bundle.putParcelable(BatteryStats.RESULT_RECEIVER_CONTROLLER_KEY, reportActivityInfo()); |
| result.send(0, bundle); |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#getControllerActivityEnergyInfo(int)} |
| */ |
| @Override |
| public WifiActivityEnergyInfo reportActivityInfo() { |
| enforceAccessPermission(); |
| mLog.trace("reportActivityInfo uid=%").c(Binder.getCallingUid()).flush(); |
| if ((getSupportedFeatures() & WifiManager.WIFI_FEATURE_LINK_LAYER_STATS) == 0) { |
| return null; |
| } |
| WifiLinkLayerStats stats; |
| WifiActivityEnergyInfo energyInfo = null; |
| if (mWifiStateMachineChannel != null) { |
| stats = mWifiStateMachine.syncGetLinkLayerStats(mWifiStateMachineChannel); |
| if (stats != null) { |
| final long rxIdleCurrent = mContext.getResources().getInteger( |
| com.android.internal.R.integer.config_wifi_idle_receive_cur_ma); |
| final long rxCurrent = mContext.getResources().getInteger( |
| com.android.internal.R.integer.config_wifi_active_rx_cur_ma); |
| final long txCurrent = mContext.getResources().getInteger( |
| com.android.internal.R.integer.config_wifi_tx_cur_ma); |
| final double voltage = mContext.getResources().getInteger( |
| com.android.internal.R.integer.config_wifi_operating_voltage_mv) |
| / 1000.0; |
| |
| final long rxIdleTime = stats.on_time - stats.tx_time - stats.rx_time; |
| final long[] txTimePerLevel; |
| if (stats.tx_time_per_level != null) { |
| txTimePerLevel = new long[stats.tx_time_per_level.length]; |
| for (int i = 0; i < txTimePerLevel.length; i++) { |
| txTimePerLevel[i] = stats.tx_time_per_level[i]; |
| // TODO(b/27227497): Need to read the power consumed per level from config |
| } |
| } else { |
| // This will happen if the HAL get link layer API returned null. |
| txTimePerLevel = new long[0]; |
| } |
| final long energyUsed = (long)((stats.tx_time * txCurrent + |
| stats.rx_time * rxCurrent + |
| rxIdleTime * rxIdleCurrent) * voltage); |
| if (VDBG || rxIdleTime < 0 || stats.on_time < 0 || stats.tx_time < 0 || |
| stats.rx_time < 0 || energyUsed < 0) { |
| StringBuilder sb = new StringBuilder(); |
| sb.append(" rxIdleCur=" + rxIdleCurrent); |
| sb.append(" rxCur=" + rxCurrent); |
| sb.append(" txCur=" + txCurrent); |
| sb.append(" voltage=" + voltage); |
| sb.append(" on_time=" + stats.on_time); |
| sb.append(" tx_time=" + stats.tx_time); |
| sb.append(" tx_time_per_level=" + Arrays.toString(txTimePerLevel)); |
| sb.append(" rx_time=" + stats.rx_time); |
| sb.append(" rxIdleTime=" + rxIdleTime); |
| sb.append(" energy=" + energyUsed); |
| Log.d(TAG, " reportActivityInfo: " + sb.toString()); |
| } |
| |
| // Convert the LinkLayerStats into EnergyActivity |
| energyInfo = new WifiActivityEnergyInfo(SystemClock.elapsedRealtime(), |
| WifiActivityEnergyInfo.STACK_STATE_STATE_IDLE, stats.tx_time, |
| txTimePerLevel, stats.rx_time, rxIdleTime, energyUsed); |
| } |
| if (energyInfo != null && energyInfo.isValid()) { |
| return energyInfo; |
| } else { |
| return null; |
| } |
| } else { |
| Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
| return null; |
| } |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#getConfiguredNetworks()} |
| * @return the list of configured networks |
| */ |
| @Override |
| public ParceledListSlice<WifiConfiguration> getConfiguredNetworks() { |
| enforceAccessPermission(); |
| mLog.trace("getConfiguredNetworks uid=%").c(Binder.getCallingUid()).flush(); |
| if (mWifiStateMachineChannel != null) { |
| List<WifiConfiguration> configs = mWifiStateMachine.syncGetConfiguredNetworks( |
| Binder.getCallingUid(), mWifiStateMachineChannel); |
| if (configs != null) { |
| return new ParceledListSlice<WifiConfiguration>(configs); |
| } |
| } else { |
| Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
| } |
| return null; |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#getPrivilegedConfiguredNetworks()} |
| * @return the list of configured networks with real preSharedKey |
| */ |
| @Override |
| public ParceledListSlice<WifiConfiguration> getPrivilegedConfiguredNetworks() { |
| enforceReadCredentialPermission(); |
| enforceAccessPermission(); |
| mLog.trace("getPrivilegedConfiguredNetworks uid=%").c(Binder.getCallingUid()).flush(); |
| if (mWifiStateMachineChannel != null) { |
| List<WifiConfiguration> configs = |
| mWifiStateMachine.syncGetPrivilegedConfiguredNetwork(mWifiStateMachineChannel); |
| if (configs != null) { |
| return new ParceledListSlice<WifiConfiguration>(configs); |
| } |
| } else { |
| Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
| } |
| return null; |
| } |
| |
| /** |
| * Returns a WifiConfiguration for a Passpoint network matching this ScanResult. |
| * |
| * @param scanResult scanResult that represents the BSSID |
| * @return {@link WifiConfiguration} that matches this BSSID or null |
| */ |
| @Override |
| public WifiConfiguration getMatchingWifiConfig(ScanResult scanResult) { |
| enforceAccessPermission(); |
| mLog.trace("getMatchingWifiConfig uid=%").c(Binder.getCallingUid()).flush(); |
| if (!mContext.getResources().getBoolean( |
| com.android.internal.R.bool.config_wifi_hotspot2_enabled)) { |
| throw new UnsupportedOperationException("Passpoint not enabled"); |
| } |
| return mWifiStateMachine.syncGetMatchingWifiConfig(scanResult, mWifiStateMachineChannel); |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#addOrUpdateNetwork(WifiConfiguration)} |
| * @return the supplicant-assigned identifier for the new or updated |
| * network if the operation succeeds, or {@code -1} if it fails |
| */ |
| @Override |
| public int addOrUpdateNetwork(WifiConfiguration config) { |
| enforceChangePermission(); |
| mLog.trace("addOrUpdateNetwork uid=%").c(Binder.getCallingUid()).flush(); |
| if (isValid(config) && isValidPasspoint(config)) { |
| |
| WifiEnterpriseConfig enterpriseConfig = config.enterpriseConfig; |
| |
| if (config.isPasspoint() && |
| (enterpriseConfig.getEapMethod() == WifiEnterpriseConfig.Eap.TLS || |
| enterpriseConfig.getEapMethod() == WifiEnterpriseConfig.Eap.TTLS)) { |
| if (config.updateIdentifier != null) { |
| enforceAccessPermission(); |
| } |
| else { |
| try { |
| verifyCert(enterpriseConfig.getCaCertificate()); |
| } catch (CertPathValidatorException cpve) { |
| Slog.e(TAG, "CA Cert " + |
| enterpriseConfig.getCaCertificate().getSubjectX500Principal() + |
| " untrusted: " + cpve.getMessage()); |
| return -1; |
| } catch (GeneralSecurityException | IOException e) { |
| Slog.e(TAG, "Failed to verify certificate" + |
| enterpriseConfig.getCaCertificate().getSubjectX500Principal() + |
| ": " + e); |
| return -1; |
| } |
| } |
| } |
| |
| //TODO: pass the Uid the WifiStateMachine as a message parameter |
| Slog.i("addOrUpdateNetwork", " uid = " + Integer.toString(Binder.getCallingUid()) |
| + " SSID " + config.SSID |
| + " nid=" + Integer.toString(config.networkId)); |
| if (config.networkId == WifiConfiguration.INVALID_NETWORK_ID) { |
| config.creatorUid = Binder.getCallingUid(); |
| } else { |
| config.lastUpdateUid = Binder.getCallingUid(); |
| } |
| if (mWifiStateMachineChannel != null) { |
| return mWifiStateMachine.syncAddOrUpdateNetwork(mWifiStateMachineChannel, config); |
| } else { |
| Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
| return -1; |
| } |
| } else { |
| Slog.e(TAG, "bad network configuration"); |
| return -1; |
| } |
| } |
| |
| public static void verifyCert(X509Certificate caCert) |
| throws GeneralSecurityException, IOException { |
| CertificateFactory factory = CertificateFactory.getInstance("X.509"); |
| CertPathValidator validator = |
| CertPathValidator.getInstance(CertPathValidator.getDefaultType()); |
| CertPath path = factory.generateCertPath( |
| Arrays.asList(caCert)); |
| KeyStore ks = KeyStore.getInstance("AndroidCAStore"); |
| ks.load(null, null); |
| PKIXParameters params = new PKIXParameters(ks); |
| params.setRevocationEnabled(false); |
| validator.validate(path, params); |
| } |
| |
| /** |
| * See {@link android.net.wifi.WifiManager#removeNetwork(int)} |
| * @param netId the integer that identifies the network configuration |
| * to the supplicant |
| * @return {@code true} if the operation succeeded |
| */ |
| @Override |
| public boolean removeNetwork(int netId) { |
| enforceChangePermission(); |
| mLog.trace("removeNetwork uid=%").c(Binder.getCallingUid()).flush(); |
| // TODO Add private logging for netId b/33807876 |
| if (mWifiStateMachineChannel != null) { |
| return mWifiStateMachine.syncRemoveNetwork(mWifiStateMachineChannel, netId); |
| } else { |
| Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
| return false; |
| } |
| } |
| |
| /** |
| * See {@link android.net.wifi.WifiManager#enableNetwork(int, boolean)} |
| * @param netId the integer that identifies the network configuration |
| * to the supplicant |
| * @param disableOthers if true, disable all other networks. |
| * @return {@code true} if the operation succeeded |
| */ |
| @Override |
| public boolean enableNetwork(int netId, boolean disableOthers) { |
| enforceChangePermission(); |
| // TODO b/33807876 Log netId |
| mLog.trace("enableNetwork uid=% disableOthers=%") |
| .c(Binder.getCallingUid()) |
| .c(disableOthers).flush(); |
| |
| if (mWifiStateMachineChannel != null) { |
| return mWifiStateMachine.syncEnableNetwork(mWifiStateMachineChannel, netId, |
| disableOthers); |
| } else { |
| Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
| return false; |
| } |
| } |
| |
| /** |
| * See {@link android.net.wifi.WifiManager#disableNetwork(int)} |
| * @param netId the integer that identifies the network configuration |
| * to the supplicant |
| * @return {@code true} if the operation succeeded |
| */ |
| @Override |
| public boolean disableNetwork(int netId) { |
| enforceChangePermission(); |
| // TODO b/33807876 Log netId |
| mLog.trace("disableNetwork uid=%").c(Binder.getCallingUid()).flush(); |
| |
| if (mWifiStateMachineChannel != null) { |
| return mWifiStateMachine.syncDisableNetwork(mWifiStateMachineChannel, netId); |
| } else { |
| Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
| return false; |
| } |
| } |
| |
| /** |
| * See {@link android.net.wifi.WifiManager#getConnectionInfo()} |
| * @return the Wi-Fi information, contained in {@link WifiInfo}. |
| */ |
| @Override |
| public WifiInfo getConnectionInfo() { |
| enforceAccessPermission(); |
| mLog.trace("getConnectionInfo uid=%").c(Binder.getCallingUid()).flush(); |
| /* |
| * Make sure we have the latest information, by sending |
| * a status request to the supplicant. |
| */ |
| return mWifiStateMachine.syncRequestConnectionInfo(); |
| } |
| |
| /** |
| * Return the results of the most recent access point scan, in the form of |
| * a list of {@link ScanResult} objects. |
| * @return the list of results |
| */ |
| @Override |
| public List<ScanResult> getScanResults(String callingPackage) { |
| enforceAccessPermission(); |
| int uid = Binder.getCallingUid(); |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| if (!mWifiPermissionsUtil.canAccessScanResults(callingPackage, |
| uid, Build.VERSION_CODES.M)) { |
| return new ArrayList<ScanResult>(); |
| } |
| if (mWifiScanner == null) { |
| mWifiScanner = mWifiInjector.getWifiScanner(); |
| } |
| return mWifiScanner.getSingleScanResults(); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| /** |
| * Add or update a Passpoint configuration. |
| * |
| * @param config The Passpoint configuration to be added |
| * @return true on success or false on failure |
| */ |
| @Override |
| public boolean addOrUpdatePasspointConfiguration(PasspointConfiguration config) { |
| enforceChangePermission(); |
| mLog.trace("addorUpdatePasspointConfiguration uid=%").c(Binder.getCallingUid()).flush(); |
| if (!mContext.getResources().getBoolean( |
| com.android.internal.R.bool.config_wifi_hotspot2_enabled)) { |
| throw new UnsupportedOperationException("Passpoint not enabled"); |
| } |
| return mWifiStateMachine.syncAddOrUpdatePasspointConfig(mWifiStateMachineChannel, config); |
| } |
| |
| /** |
| * Remove the Passpoint configuration identified by its FQDN (Fully Qualified Domain Name). |
| * |
| * @param fqdn The FQDN of the Passpoint configuration to be removed |
| * @return true on success or false on failure |
| */ |
| @Override |
| public boolean removePasspointConfiguration(String fqdn) { |
| enforceChangePermission(); |
| mLog.trace("removePasspointConfiguration uid=%").c(Binder.getCallingUid()).flush(); |
| if (!mContext.getResources().getBoolean( |
| com.android.internal.R.bool.config_wifi_hotspot2_enabled)) { |
| throw new UnsupportedOperationException("Passpoint not enabled"); |
| } |
| return mWifiStateMachine.syncRemovePasspointConfig(mWifiStateMachineChannel, fqdn); |
| } |
| |
| /** |
| * Return the list of the installed Passpoint configurations. |
| * |
| * An empty list will be returned when no configuration is installed. |
| * |
| * @return A list of {@link PasspointConfiguration} |
| */ |
| @Override |
| public List<PasspointConfiguration> getPasspointConfigurations() { |
| enforceAccessPermission(); |
| mLog.trace("getPasspointConfigurations uid=%").c(Binder.getCallingUid()).flush(); |
| if (!mContext.getResources().getBoolean( |
| com.android.internal.R.bool.config_wifi_hotspot2_enabled)) { |
| throw new UnsupportedOperationException("Passpoint not enabled"); |
| } |
| return mWifiStateMachine.syncGetPasspointConfigs(mWifiStateMachineChannel); |
| } |
| |
| /** |
| * Query for a Hotspot 2.0 release 2 OSU icon |
| * @param bssid The BSSID of the AP |
| * @param fileName Icon file name |
| */ |
| @Override |
| public void queryPasspointIcon(long bssid, String fileName) { |
| enforceAccessPermission(); |
| mLog.trace("queryPasspointIcon uid=%").c(Binder.getCallingUid()).flush(); |
| if (!mContext.getResources().getBoolean( |
| com.android.internal.R.bool.config_wifi_hotspot2_enabled)) { |
| throw new UnsupportedOperationException("Passpoint not enabled"); |
| } |
| mWifiStateMachine.syncQueryPasspointIcon(mWifiStateMachineChannel, bssid, fileName); |
| } |
| |
| /** |
| * Match the currently associated network against the SP matching the given FQDN |
| * @param fqdn FQDN of the SP |
| * @return ordinal [HomeProvider, RoamingProvider, Incomplete, None, Declined] |
| */ |
| @Override |
| public int matchProviderWithCurrentNetwork(String fqdn) { |
| mLog.trace("matchProviderWithCurrentNetwork uid=%").c(Binder.getCallingUid()).flush(); |
| return mWifiStateMachine.matchProviderWithCurrentNetwork(mWifiStateMachineChannel, fqdn); |
| } |
| |
| /** |
| * Deauthenticate and set the re-authentication hold off time for the current network |
| * @param holdoff hold off time in milliseconds |
| * @param ess set if the hold off pertains to an ESS rather than a BSS |
| */ |
| @Override |
| public void deauthenticateNetwork(long holdoff, boolean ess) { |
| mLog.trace("deauthenticateNetwork uid=%").c(Binder.getCallingUid()).flush(); |
| mWifiStateMachine.deauthenticateNetwork(mWifiStateMachineChannel, holdoff, ess); |
| } |
| |
| /** |
| * Tell the supplicant to persist the current list of configured networks. |
| * @return {@code true} if the operation succeeded |
| * |
| * TODO: deprecate this |
| */ |
| @Override |
| public boolean saveConfiguration() { |
| enforceChangePermission(); |
| mLog.trace("saveConfiguration uid=%").c(Binder.getCallingUid()).flush(); |
| if (mWifiStateMachineChannel != null) { |
| return mWifiStateMachine.syncSaveConfig(mWifiStateMachineChannel); |
| } else { |
| Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
| return false; |
| } |
| } |
| |
| /** |
| * Set the country code |
| * @param countryCode ISO 3166 country code. |
| * @param persist {@code true} if the setting should be remembered. |
| * |
| * The persist behavior exists so that wifi can fall back to the last |
| * persisted country code on a restart, when the locale information is |
| * not available from telephony. |
| */ |
| @Override |
| public void setCountryCode(String countryCode, boolean persist) { |
| Slog.i(TAG, "WifiService trying to set country code to " + countryCode + |
| " with persist set to " + persist); |
| enforceConnectivityInternalPermission(); |
| mLog.trace("setCountryCode uid=%").c(Binder.getCallingUid()).flush(); |
| final long token = Binder.clearCallingIdentity(); |
| mCountryCode.setCountryCode(countryCode); |
| Binder.restoreCallingIdentity(token); |
| } |
| |
| /** |
| * Get the country code |
| * @return Get the best choice country code for wifi, regardless of if it was set or |
| * not. |
| * Returns null when there is no country code available. |
| */ |
| @Override |
| public String getCountryCode() { |
| enforceConnectivityInternalPermission(); |
| mLog.trace("getCountryCode uid=%").c(Binder.getCallingUid()).flush(); |
| String country = mCountryCode.getCountryCode(); |
| return country; |
| } |
| |
| @Override |
| public boolean isDualBandSupported() { |
| //TODO: Should move towards adding a driver API that checks at runtime |
| mLog.trace("isDualBandSupported uid=%").c(Binder.getCallingUid()).flush(); |
| return mContext.getResources().getBoolean( |
| com.android.internal.R.bool.config_wifi_dual_band_support); |
| } |
| |
| /** |
| * Return the DHCP-assigned addresses from the last successful DHCP request, |
| * if any. |
| * @return the DHCP information |
| * @deprecated |
| */ |
| @Override |
| @Deprecated |
| public DhcpInfo getDhcpInfo() { |
| enforceAccessPermission(); |
| mLog.trace("getDhcpInfo uid=%").c(Binder.getCallingUid()).flush(); |
| DhcpResults dhcpResults = mWifiStateMachine.syncGetDhcpResults(); |
| |
| DhcpInfo info = new DhcpInfo(); |
| |
| if (dhcpResults.ipAddress != null && |
| dhcpResults.ipAddress.getAddress() instanceof Inet4Address) { |
| info.ipAddress = NetworkUtils.inetAddressToInt((Inet4Address) dhcpResults.ipAddress.getAddress()); |
| } |
| |
| if (dhcpResults.gateway != null) { |
| info.gateway = NetworkUtils.inetAddressToInt((Inet4Address) dhcpResults.gateway); |
| } |
| |
| int dnsFound = 0; |
| for (InetAddress dns : dhcpResults.dnsServers) { |
| if (dns instanceof Inet4Address) { |
| if (dnsFound == 0) { |
| info.dns1 = NetworkUtils.inetAddressToInt((Inet4Address)dns); |
| } else { |
| info.dns2 = NetworkUtils.inetAddressToInt((Inet4Address)dns); |
| } |
| if (++dnsFound > 1) break; |
| } |
| } |
| Inet4Address serverAddress = dhcpResults.serverAddress; |
| if (serverAddress != null) { |
| info.serverAddress = NetworkUtils.inetAddressToInt(serverAddress); |
| } |
| info.leaseDuration = dhcpResults.leaseDuration; |
| |
| return info; |
| } |
| |
| /** |
| * enable TDLS for the local NIC to remote NIC |
| * The APPs don't know the remote MAC address to identify NIC though, |
| * so we need to do additional work to find it from remote IP address |
| */ |
| |
| class TdlsTaskParams { |
| public String remoteIpAddress; |
| public boolean enable; |
| } |
| |
| class TdlsTask extends AsyncTask<TdlsTaskParams, Integer, Integer> { |
| @Override |
| protected Integer doInBackground(TdlsTaskParams... params) { |
| |
| // Retrieve parameters for the call |
| TdlsTaskParams param = params[0]; |
| String remoteIpAddress = param.remoteIpAddress.trim(); |
| boolean enable = param.enable; |
| |
| // Get MAC address of Remote IP |
| String macAddress = null; |
| |
| BufferedReader reader = null; |
| |
| try { |
| reader = new BufferedReader(new FileReader("/proc/net/arp")); |
| |
| // Skip over the line bearing colum titles |
| String line = reader.readLine(); |
| |
| while ((line = reader.readLine()) != null) { |
| String[] tokens = line.split("[ ]+"); |
| if (tokens.length < 6) { |
| continue; |
| } |
| |
| // ARP column format is |
| // Address HWType HWAddress Flags Mask IFace |
| String ip = tokens[0]; |
| String mac = tokens[3]; |
| |
| if (remoteIpAddress.equals(ip)) { |
| macAddress = mac; |
| break; |
| } |
| } |
| |
| if (macAddress == null) { |
| Slog.w(TAG, "Did not find remoteAddress {" + remoteIpAddress + "} in " + |
| "/proc/net/arp"); |
| } else { |
| enableTdlsWithMacAddress(macAddress, enable); |
| } |
| |
| } catch (FileNotFoundException e) { |
| Slog.e(TAG, "Could not open /proc/net/arp to lookup mac address"); |
| } catch (IOException e) { |
| Slog.e(TAG, "Could not read /proc/net/arp to lookup mac address"); |
| } finally { |
| try { |
| if (reader != null) { |
| reader.close(); |
| } |
| } |
| catch (IOException e) { |
| // Do nothing |
| } |
| } |
| |
| return 0; |
| } |
| } |
| |
| @Override |
| public void enableTdls(String remoteAddress, boolean enable) { |
| if (remoteAddress == null) { |
| throw new IllegalArgumentException("remoteAddress cannot be null"); |
| } |
| mLog.trace("enableTdls uid=% enable=%").c(Binder.getCallingUid()).c(enable).flush(); |
| TdlsTaskParams params = new TdlsTaskParams(); |
| params.remoteIpAddress = remoteAddress; |
| params.enable = enable; |
| new TdlsTask().execute(params); |
| } |
| |
| |
| @Override |
| public void enableTdlsWithMacAddress(String remoteMacAddress, boolean enable) { |
| mLog.trace("enableTdlsWithMacAddress uid=% enable=%") |
| .c(Binder.getCallingUid()) |
| .c(enable) |
| .flush(); |
| if (remoteMacAddress == null) { |
| throw new IllegalArgumentException("remoteMacAddress cannot be null"); |
| } |
| |
| mWifiStateMachine.enableTdls(remoteMacAddress, enable); |
| } |
| |
| /** |
| * Get a reference to handler. This is used by a client to establish |
| * an AsyncChannel communication with WifiService |
| */ |
| @Override |
| public Messenger getWifiServiceMessenger() { |
| enforceAccessPermission(); |
| enforceChangePermission(); |
| mLog.trace("getWifiServiceMessenger uid=%").c(Binder.getCallingUid()).flush(); |
| return new Messenger(mClientHandler); |
| } |
| |
| /** |
| * Disable an ephemeral network, i.e. network that is created thru a WiFi Scorer |
| */ |
| @Override |
| public void disableEphemeralNetwork(String SSID) { |
| enforceAccessPermission(); |
| enforceChangePermission(); |
| mLog.trace("disableEphemeralNetwork uid=%").c(Binder.getCallingUid()).flush(); |
| mWifiStateMachine.disableEphemeralNetwork(SSID); |
| } |
| |
| private final BroadcastReceiver mReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| String action = intent.getAction(); |
| if (action.equals(Intent.ACTION_SCREEN_ON)) { |
| mWifiController.sendMessage(CMD_SCREEN_ON); |
| } else if (action.equals(Intent.ACTION_USER_PRESENT)) { |
| mWifiController.sendMessage(CMD_USER_PRESENT); |
| } else if (action.equals(Intent.ACTION_SCREEN_OFF)) { |
| mWifiController.sendMessage(CMD_SCREEN_OFF); |
| } else if (action.equals(Intent.ACTION_BATTERY_CHANGED)) { |
| int pluggedType = intent.getIntExtra("plugged", 0); |
| mWifiController.sendMessage(CMD_BATTERY_CHANGED, pluggedType, 0, null); |
| } else if (action.equals(BluetoothAdapter.ACTION_CONNECTION_STATE_CHANGED)) { |
| int state = intent.getIntExtra(BluetoothAdapter.EXTRA_CONNECTION_STATE, |
| BluetoothAdapter.STATE_DISCONNECTED); |
| mWifiStateMachine.sendBluetoothAdapterStateChange(state); |
| } else if (action.equals(TelephonyIntents.ACTION_EMERGENCY_CALLBACK_MODE_CHANGED)) { |
| boolean emergencyMode = intent.getBooleanExtra("phoneinECMState", false); |
| mWifiController.sendMessage(CMD_EMERGENCY_MODE_CHANGED, emergencyMode ? 1 : 0, 0); |
| } else if (action.equals(TelephonyIntents.ACTION_EMERGENCY_CALL_STATE_CHANGED)) { |
| boolean inCall = intent.getBooleanExtra(PhoneConstants.PHONE_IN_EMERGENCY_CALL, false); |
| mWifiController.sendMessage(CMD_EMERGENCY_CALL_STATE_CHANGED, inCall ? 1 : 0, 0); |
| } else if (action.equals(PowerManager.ACTION_DEVICE_IDLE_MODE_CHANGED)) { |
| handleIdleModeChanged(); |
| } |
| } |
| }; |
| |
| private boolean startConsentUi(String packageName, |
| int callingUid, String intentAction) throws RemoteException { |
| if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { |
| return false; |
| } |
| try { |
| // Validate the package only if we are going to use it |
| ApplicationInfo applicationInfo = mContext.getPackageManager() |
| .getApplicationInfoAsUser(packageName, |
| PackageManager.MATCH_DEBUG_TRIAGED_MISSING, |
| UserHandle.getUserId(callingUid)); |
| if (applicationInfo.uid != callingUid) { |
| throw new SecurityException("Package " + callingUid |
| + " not in uid " + callingUid); |
| } |
| |
| // Permission review mode, trigger a user prompt |
| Intent intent = new Intent(intentAction); |
| intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK |
| | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); |
| intent.putExtra(Intent.EXTRA_PACKAGE_NAME, packageName); |
| mContext.startActivity(intent); |
| return true; |
| } catch (PackageManager.NameNotFoundException e) { |
| throw new RemoteException(e.getMessage()); |
| } |
| } |
| |
| /** |
| * Observes settings changes to scan always mode. |
| */ |
| private void registerForScanModeChange() { |
| ContentObserver contentObserver = new ContentObserver(null) { |
| @Override |
| public void onChange(boolean selfChange) { |
| mSettingsStore.handleWifiScanAlwaysAvailableToggled(); |
| mWifiController.sendMessage(CMD_SCAN_ALWAYS_MODE_CHANGED); |
| } |
| }; |
| mFrameworkFacade.registerContentObserver(mContext, |
| Settings.Global.getUriFor(Settings.Global.WIFI_SCAN_ALWAYS_AVAILABLE), |
| false, contentObserver); |
| } |
| |
| private void registerForBroadcasts() { |
| IntentFilter intentFilter = new IntentFilter(); |
| intentFilter.addAction(Intent.ACTION_SCREEN_ON); |
| intentFilter.addAction(Intent.ACTION_USER_PRESENT); |
| intentFilter.addAction(Intent.ACTION_SCREEN_OFF); |
| intentFilter.addAction(Intent.ACTION_BATTERY_CHANGED); |
| intentFilter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION); |
| intentFilter.addAction(BluetoothAdapter.ACTION_CONNECTION_STATE_CHANGED); |
| intentFilter.addAction(TelephonyIntents.ACTION_EMERGENCY_CALLBACK_MODE_CHANGED); |
| intentFilter.addAction(PowerManager.ACTION_DEVICE_IDLE_MODE_CHANGED); |
| |
| boolean trackEmergencyCallState = mContext.getResources().getBoolean( |
| com.android.internal.R.bool.config_wifi_turn_off_during_emergency_call); |
| if (trackEmergencyCallState) { |
| intentFilter.addAction(TelephonyIntents.ACTION_EMERGENCY_CALL_STATE_CHANGED); |
| } |
| |
| mContext.registerReceiver(mReceiver, intentFilter); |
| } |
| |
| private void registerForPackageOrUserRemoval() { |
| IntentFilter intentFilter = new IntentFilter(); |
| intentFilter.addAction(Intent.ACTION_PACKAGE_REMOVED); |
| intentFilter.addAction(Intent.ACTION_USER_REMOVED); |
| mContext.registerReceiverAsUser(new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| switch (intent.getAction()) { |
| case Intent.ACTION_PACKAGE_REMOVED: { |
| if (intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) { |
| return; |
| } |
| int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); |
| Uri uri = intent.getData(); |
| if (uid == -1 || uri == null) { |
| return; |
| } |
| String pkgName = uri.getSchemeSpecificPart(); |
| mWifiStateMachine.removeAppConfigs(pkgName, uid); |
| break; |
| } |
| case Intent.ACTION_USER_REMOVED: { |
| int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 0); |
| mWifiStateMachine.removeUserConfigs(userHandle); |
| break; |
| } |
| } |
| } |
| }, UserHandle.ALL, intentFilter, null, null); |
| } |
| |
| @Override |
| protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) |
| != PackageManager.PERMISSION_GRANTED) { |
| pw.println("Permission Denial: can't dump WifiService from from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid()); |
| return; |
| } |
| if (args.length > 0 && WifiMetrics.PROTO_DUMP_ARG.equals(args[0])) { |
| // WifiMetrics proto bytes were requested. Dump only these. |
| mWifiStateMachine.updateWifiMetrics(); |
| mWifiMetrics.dump(fd, pw, args); |
| } else if (args.length > 0 && IpManager.DUMP_ARG.equals(args[0])) { |
| // IpManager dump was requested. Pass it along and take no further action. |
| String[] ipManagerArgs = new String[args.length - 1]; |
| System.arraycopy(args, 1, ipManagerArgs, 0, ipManagerArgs.length); |
| mWifiStateMachine.dumpIpManager(fd, pw, ipManagerArgs); |
| } else if (args.length > 0 && DUMP_ARG_SET_IPREACH_DISCONNECT.equals(args[0])) { |
| if (args.length > 1) { |
| if (DUMP_ARG_SET_IPREACH_DISCONNECT_ENABLED.equals(args[1])) { |
| mWifiStateMachine.setIpReachabilityDisconnectEnabled(true); |
| } else if (DUMP_ARG_SET_IPREACH_DISCONNECT_DISABLED.equals(args[1])) { |
| mWifiStateMachine.setIpReachabilityDisconnectEnabled(false); |
| } |
| } |
| pw.println("IPREACH_DISCONNECT state is " |
| + mWifiStateMachine.getIpReachabilityDisconnectEnabled()); |
| return; |
| } else { |
| pw.println("Wi-Fi is " + mWifiStateMachine.syncGetWifiStateByName()); |
| pw.println("Stay-awake conditions: " + |
| Settings.Global.getInt(mContext.getContentResolver(), |
| Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0)); |
| pw.println("mInIdleMode " + mInIdleMode); |
| pw.println("mScanPending " + mScanPending); |
| mWifiController.dump(fd, pw, args); |
| mSettingsStore.dump(fd, pw, args); |
| mTrafficPoller.dump(fd, pw, args); |
| pw.println(); |
| pw.println("Locks held:"); |
| mWifiLockManager.dump(pw); |
| pw.println(); |
| mWifiMulticastLockManager.dump(pw); |
| pw.println(); |
| mWifiStateMachine.dump(fd, pw, args); |
| pw.println(); |
| mWifiStateMachine.updateWifiMetrics(); |
| mWifiMetrics.dump(fd, pw, args); |
| pw.println(); |
| mWifiBackupRestore.dump(fd, pw, args); |
| pw.println(); |
| } |
| } |
| |
| @Override |
| public boolean acquireWifiLock(IBinder binder, int lockMode, String tag, WorkSource ws) { |
| mLog.trace("acquireWifiLock uid=% lockMode=%") |
| .c(Binder.getCallingUid()) |
| .c(lockMode).flush(); |
| if (mWifiLockManager.acquireWifiLock(lockMode, tag, binder, ws)) { |
| mWifiController.sendMessage(CMD_LOCKS_CHANGED); |
| return true; |
| } |
| return false; |
| } |
| |
| @Override |
| public void updateWifiLockWorkSource(IBinder binder, WorkSource ws) { |
| mLog.trace("updateWifiLockWorkSource uid=%").c(Binder.getCallingUid()).flush(); |
| mWifiLockManager.updateWifiLockWorkSource(binder, ws); |
| } |
| |
| @Override |
| public boolean releaseWifiLock(IBinder binder) { |
| mLog.trace("releaseWifiLock uid=%").c(Binder.getCallingUid()).flush(); |
| if (mWifiLockManager.releaseWifiLock(binder)) { |
| mWifiController.sendMessage(CMD_LOCKS_CHANGED); |
| return true; |
| } |
| return false; |
| } |
| |
| @Override |
| public void initializeMulticastFiltering() { |
| enforceMulticastChangePermission(); |
| mLog.trace("initializeMulticastFiltering uid=%").c(Binder.getCallingUid()).flush(); |
| mWifiMulticastLockManager.initializeFiltering(); |
| } |
| |
| @Override |
| public void acquireMulticastLock(IBinder binder, String tag) { |
| enforceMulticastChangePermission(); |
| mLog.trace("acquireMulticastLock uid=%").c(Binder.getCallingUid()).flush(); |
| mWifiMulticastLockManager.acquireLock(binder, tag); |
| } |
| |
| @Override |
| public void releaseMulticastLock() { |
| enforceMulticastChangePermission(); |
| mLog.trace("releaseMulticastLock uid=%").c(Binder.getCallingUid()).flush(); |
| mWifiMulticastLockManager.releaseLock(); |
| } |
| |
| @Override |
| public boolean isMulticastEnabled() { |
| enforceAccessPermission(); |
| mLog.trace("isMulticastEnabled uid=%").c(Binder.getCallingUid()).flush(); |
| return mWifiMulticastLockManager.isMulticastEnabled(); |
| } |
| |
| @Override |
| public void enableVerboseLogging(int verbose) { |
| enforceAccessPermission(); |
| mLog.trace("enableVerboseLogging uid=% verbose=%") |
| .c(Binder.getCallingUid()) |
| .c(verbose).flush(); |
| mFacade.setIntegerSetting( |
| mContext, Settings.Global.WIFI_VERBOSE_LOGGING_ENABLED, verbose); |
| enableVerboseLoggingInternal(verbose); |
| } |
| |
| void enableVerboseLoggingInternal(int verbose) { |
| mWifiStateMachine.enableVerboseLogging(verbose); |
| mWifiLockManager.enableVerboseLogging(verbose); |
| mWifiMulticastLockManager.enableVerboseLogging(verbose); |
| mWifiInjector.getWifiLastResortWatchdog().enableVerboseLogging(verbose); |
| mWifiInjector.getWifiBackupRestore().enableVerboseLogging(verbose); |
| LogcatLog.enableVerboseLogging(verbose); |
| } |
| |
| @Override |
| public int getVerboseLoggingLevel() { |
| enforceAccessPermission(); |
| mLog.trace("getVerboseLoggingLevel uid=%").c(Binder.getCallingUid()).flush(); |
| return mFacade.getIntegerSetting( |
| mContext, Settings.Global.WIFI_VERBOSE_LOGGING_ENABLED, 0); |
| } |
| |
| @Override |
| public void enableAggressiveHandover(int enabled) { |
| enforceAccessPermission(); |
| mLog.trace("enableAggressiveHandover uid=% enabled=%") |
| .c(Binder.getCallingUid()) |
| .c(enabled) |
| .flush(); |
| mWifiStateMachine.enableAggressiveHandover(enabled); |
| } |
| |
| @Override |
| public int getAggressiveHandover() { |
| enforceAccessPermission(); |
| mLog.trace("getAggressiveHandover uid=%").c(Binder.getCallingUid()).flush(); |
| return mWifiStateMachine.getAggressiveHandover(); |
| } |
| |
| @Override |
| public void setAllowScansWithTraffic(int enabled) { |
| enforceAccessPermission(); |
| mLog.trace("setAllowScansWithTraffic uid=% enabled=%") |
| .c(Binder.getCallingUid()) |
| .c(enabled).flush(); |
| mWifiStateMachine.setAllowScansWithTraffic(enabled); |
| } |
| |
| @Override |
| public int getAllowScansWithTraffic() { |
| enforceAccessPermission(); |
| mLog.trace("getAllowScansWithTraffic uid=%").c(Binder.getCallingUid()).flush(); |
| return mWifiStateMachine.getAllowScansWithTraffic(); |
| } |
| |
| @Override |
| public boolean setEnableAutoJoinWhenAssociated(boolean enabled) { |
| enforceChangePermission(); |
| mLog.trace("setEnableAutoJoinWhenAssociated uid=% enabled=%") |
| .c(Binder.getCallingUid()) |
| .c(enabled).flush(); |
| return mWifiStateMachine.setEnableAutoJoinWhenAssociated(enabled); |
| } |
| |
| @Override |
| public boolean getEnableAutoJoinWhenAssociated() { |
| enforceAccessPermission(); |
| mLog.trace("getEnableAutoJoinWhenAssociated uid=%").c(Binder.getCallingUid()).flush(); |
| return mWifiStateMachine.getEnableAutoJoinWhenAssociated(); |
| } |
| |
| /* Return the Wifi Connection statistics object */ |
| @Override |
| public WifiConnectionStatistics getConnectionStatistics() { |
| enforceAccessPermission(); |
| enforceReadCredentialPermission(); |
| mLog.trace("getConnectionStatistics uid=%").c(Binder.getCallingUid()).flush(); |
| if (mWifiStateMachineChannel != null) { |
| return mWifiStateMachine.syncGetConnectionStatistics(mWifiStateMachineChannel); |
| } else { |
| Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
| return null; |
| } |
| } |
| |
| @Override |
| public void factoryReset() { |
| enforceConnectivityInternalPermission(); |
| mLog.trace("factoryReset uid=%").c(Binder.getCallingUid()).flush(); |
| if (mUserManager.hasUserRestriction(UserManager.DISALLOW_NETWORK_RESET)) { |
| return; |
| } |
| |
| if (!mUserManager.hasUserRestriction(UserManager.DISALLOW_CONFIG_TETHERING)) { |
| // Turn mobile hotspot off |
| setWifiApEnabled(null, false); |
| } |
| |
| if (!mUserManager.hasUserRestriction(UserManager.DISALLOW_CONFIG_WIFI)) { |
| // Enable wifi |
| try { |
| setWifiEnabled(mContext.getOpPackageName(), true); |
| } catch (RemoteException e) { |
| /* ignore - local call */ |
| } |
| // Delete all Wifi SSIDs |
| if (mWifiStateMachineChannel != null) { |
| List<WifiConfiguration> networks = mWifiStateMachine.syncGetConfiguredNetworks( |
| Binder.getCallingUid(), mWifiStateMachineChannel); |
| if (networks != null) { |
| for (WifiConfiguration config : networks) { |
| removeNetwork(config.networkId); |
| } |
| saveConfiguration(); |
| } |
| } |
| } |
| } |
| |
| /* private methods */ |
| static boolean logAndReturnFalse(String s) { |
| Log.d(TAG, s); |
| return false; |
| } |
| |
| public static boolean isValid(WifiConfiguration config) { |
| String validity = checkValidity(config); |
| return validity == null || logAndReturnFalse(validity); |
| } |
| |
| public static boolean isValidPasspoint(WifiConfiguration config) { |
| String validity = checkPasspointValidity(config); |
| return validity == null || logAndReturnFalse(validity); |
| } |
| |
| public static String checkValidity(WifiConfiguration config) { |
| if (config.allowedKeyManagement == null) |
| return "allowed kmgmt"; |
| |
| if (config.allowedKeyManagement.cardinality() > 1) { |
| if (config.allowedKeyManagement.cardinality() != 2) { |
| return "cardinality != 2"; |
| } |
| if (!config.allowedKeyManagement.get(WifiConfiguration.KeyMgmt.WPA_EAP)) { |
| return "not WPA_EAP"; |
| } |
| if ((!config.allowedKeyManagement.get(WifiConfiguration.KeyMgmt.IEEE8021X)) |
| && (!config.allowedKeyManagement.get(WifiConfiguration.KeyMgmt.WPA_PSK))) { |
| return "not PSK or 8021X"; |
| } |
| } |
| return null; |
| } |
| |
| public static String checkPasspointValidity(WifiConfiguration config) { |
| if (!TextUtils.isEmpty(config.FQDN)) { |
| /* this is passpoint configuration; it must not have an SSID */ |
| if (!TextUtils.isEmpty(config.SSID)) { |
| return "SSID not expected for Passpoint: '" + config.SSID + |
| "' FQDN " + toHexString(config.FQDN); |
| } |
| /* this is passpoint configuration; it must have a providerFriendlyName */ |
| if (TextUtils.isEmpty(config.providerFriendlyName)) { |
| return "no provider friendly name"; |
| } |
| WifiEnterpriseConfig enterpriseConfig = config.enterpriseConfig; |
| /* this is passpoint configuration; it must have enterprise config */ |
| if (enterpriseConfig == null |
| || enterpriseConfig.getEapMethod() == WifiEnterpriseConfig.Eap.NONE ) { |
| return "no enterprise config"; |
| } |
| if ((enterpriseConfig.getEapMethod() == WifiEnterpriseConfig.Eap.TLS || |
| enterpriseConfig.getEapMethod() == WifiEnterpriseConfig.Eap.TTLS || |
| enterpriseConfig.getEapMethod() == WifiEnterpriseConfig.Eap.PEAP) && |
| enterpriseConfig.getCaCertificate() == null) { |
| return "no CA certificate"; |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public Network getCurrentNetwork() { |
| enforceAccessPermission(); |
| mLog.trace("getCurrentNetwork uid=%").c(Binder.getCallingUid()).flush(); |
| return mWifiStateMachine.getCurrentNetwork(); |
| } |
| |
| public static String toHexString(String s) { |
| if (s == null) { |
| return "null"; |
| } |
| StringBuilder sb = new StringBuilder(); |
| sb.append('\'').append(s).append('\''); |
| for (int n = 0; n < s.length(); n++) { |
| sb.append(String.format(" %02x", s.charAt(n) & 0xffff)); |
| } |
| return sb.toString(); |
| } |
| |
| public void hideCertFromUnaffiliatedUsers(String alias) { |
| mCertManager.hideCertFromUnaffiliatedUsers(alias); |
| } |
| |
| public String[] listClientCertsForCurrentUser() { |
| return mCertManager.listClientCertsForCurrentUser(); |
| } |
| |
| /** |
| * Enable/disable WifiConnectivityManager at runtime |
| * |
| * @param enabled true-enable; false-disable |
| */ |
| @Override |
| public void enableWifiConnectivityManager(boolean enabled) { |
| enforceConnectivityInternalPermission(); |
| mLog.trace("enableWifiConnectivityManager uid=% enabled=%") |
| .c(Binder.getCallingUid()) |
| .c(enabled).flush(); |
| mWifiStateMachine.enableWifiConnectivityManager(enabled); |
| } |
| |
| /** |
| * Retrieve the data to be backed to save the current state. |
| * |
| * @return Raw byte stream of the data to be backed up. |
| */ |
| @Override |
| public byte[] retrieveBackupData() { |
| enforceReadCredentialPermission(); |
| enforceAccessPermission(); |
| mLog.trace("retrieveBackupData uid=%").c(Binder.getCallingUid()).flush(); |
| if (mWifiStateMachineChannel == null) { |
| Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
| return null; |
| } |
| |
| Slog.d(TAG, "Retrieving backup data"); |
| List<WifiConfiguration> wifiConfigurations = |
| mWifiStateMachine.syncGetPrivilegedConfiguredNetwork(mWifiStateMachineChannel); |
| byte[] backupData = |
| mWifiBackupRestore.retrieveBackupDataFromConfigurations(wifiConfigurations); |
| Slog.d(TAG, "Retrieved backup data"); |
| return backupData; |
| } |
| |
| /** |
| * Helper method to restore networks retrieved from backup data. |
| * |
| * @param configurations list of WifiConfiguration objects parsed from the backup data. |
| */ |
| private void restoreNetworks(List<WifiConfiguration> configurations) { |
| if (configurations == null) { |
| Slog.e(TAG, "Backup data parse failed"); |
| return; |
| } |
| for (WifiConfiguration configuration : configurations) { |
| int networkId = mWifiStateMachine.syncAddOrUpdateNetwork( |
| mWifiStateMachineChannel, configuration); |
| if (networkId == WifiConfiguration.INVALID_NETWORK_ID) { |
| Slog.e(TAG, "Restore network failed: " + configuration.configKey()); |
| continue; |
| } |
| // Enable all networks restored. |
| mWifiStateMachine.syncEnableNetwork(mWifiStateMachineChannel, networkId, false); |
| } |
| } |
| |
| /** |
| * Restore state from the backed up data. |
| * |
| * @param data Raw byte stream of the backed up data. |
| */ |
| @Override |
| public void restoreBackupData(byte[] data) { |
| enforceChangePermission(); |
| mLog.trace("restoreBackupData uid=%").c(Binder.getCallingUid()).flush(); |
| if (mWifiStateMachineChannel == null) { |
| Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
| return; |
| } |
| |
| Slog.d(TAG, "Restoring backup data"); |
| List<WifiConfiguration> wifiConfigurations = |
| mWifiBackupRestore.retrieveConfigurationsFromBackupData(data); |
| restoreNetworks(wifiConfigurations); |
| Slog.d(TAG, "Restored backup data"); |
| } |
| |
| /** |
| * Restore state from the older supplicant back up data. |
| * The old backup data was essentially a backup of wpa_supplicant.conf & ipconfig.txt file. |
| * |
| * @param supplicantData Raw byte stream of wpa_supplicant.conf |
| * @param ipConfigData Raw byte stream of ipconfig.txt |
| */ |
| public void restoreSupplicantBackupData(byte[] supplicantData, byte[] ipConfigData) { |
| enforceChangePermission(); |
| mLog.trace("restoreSupplicantBackupData uid=%").c(Binder.getCallingUid()).flush(); |
| if (mWifiStateMachineChannel == null) { |
| Slog.e(TAG, "mWifiStateMachineChannel is not initialized"); |
| return; |
| } |
| |
| Slog.d(TAG, "Restoring supplicant backup data"); |
| List<WifiConfiguration> wifiConfigurations = |
| mWifiBackupRestore.retrieveConfigurationsFromSupplicantBackupData( |
| supplicantData, ipConfigData); |
| restoreNetworks(wifiConfigurations); |
| Slog.d(TAG, "Restored supplicant backup data"); |
| } |
| } |
