| /* |
| * 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 android.app.AppOpsManager.MODE_ALLOWED; |
| import static android.content.pm.PackageManager.PERMISSION_GRANTED; |
| import static android.net.wifi.WifiManager.LocalOnlyHotspotCallback.ERROR_GENERIC; |
| import static android.net.wifi.WifiManager.LocalOnlyHotspotCallback.ERROR_NO_CHANNEL; |
| import static android.net.wifi.WifiManager.SAP_START_FAILURE_NO_CHANNEL; |
| import static android.net.wifi.WifiManager.WIFI_AP_STATE_DISABLED; |
| import static android.net.wifi.WifiManager.WIFI_AP_STATE_DISABLING; |
| import static android.net.wifi.WifiManager.WIFI_AP_STATE_ENABLED; |
| import static android.net.wifi.WifiManager.WIFI_AP_STATE_ENABLING; |
| import static android.net.wifi.WifiManager.WIFI_AP_STATE_FAILED; |
| |
| import static com.android.server.wifi.ActiveModeManager.ROLE_CLIENT_LOCAL_ONLY; |
| import static com.android.server.wifi.ActiveModeManager.ROLE_CLIENT_SECONDARY_LONG_LIVED; |
| import static com.android.server.wifi.ClientModeImpl.RESET_SIM_REASON_DEFAULT_DATA_SIM_CHANGED; |
| import static com.android.server.wifi.ClientModeImpl.RESET_SIM_REASON_SIM_INSERTED; |
| import static com.android.server.wifi.ClientModeImpl.RESET_SIM_REASON_SIM_REMOVED; |
| import static com.android.server.wifi.SelfRecovery.REASON_API_CALL; |
| import static com.android.server.wifi.WifiSettingsConfigStore.WIFI_VERBOSE_LOGGING_ENABLED; |
| |
| import android.Manifest; |
| import android.annotation.CheckResult; |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.app.AppOpsManager; |
| import android.bluetooth.BluetoothAdapter; |
| import android.content.BroadcastReceiver; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| import android.net.DhcpInfo; |
| import android.net.DhcpResultsParcelable; |
| import android.net.InetAddresses; |
| import android.net.Network; |
| import android.net.NetworkCapabilities; |
| import android.net.NetworkStack; |
| import android.net.Uri; |
| import android.net.ip.IpClientUtil; |
| import android.net.wifi.CoexUnsafeChannel; |
| import android.net.wifi.IActionListener; |
| import android.net.wifi.ICoexCallback; |
| import android.net.wifi.IDppCallback; |
| import android.net.wifi.ILocalOnlyHotspotCallback; |
| import android.net.wifi.INetworkRequestMatchCallback; |
| import android.net.wifi.IOnWifiActivityEnergyInfoListener; |
| import android.net.wifi.IOnWifiUsabilityStatsListener; |
| import android.net.wifi.IScanResultsCallback; |
| import android.net.wifi.ISoftApCallback; |
| import android.net.wifi.ISubsystemRestartCallback; |
| import android.net.wifi.ISuggestionConnectionStatusListener; |
| import android.net.wifi.ISuggestionUserApprovalStatusListener; |
| import android.net.wifi.ITrafficStateCallback; |
| import android.net.wifi.IWifiConnectedNetworkScorer; |
| import android.net.wifi.IWifiVerboseLoggingStatusChangedListener; |
| import android.net.wifi.ScanResult; |
| import android.net.wifi.SoftApCapability; |
| import android.net.wifi.SoftApConfiguration; |
| import android.net.wifi.SoftApInfo; |
| import android.net.wifi.WifiAnnotations.WifiStandard; |
| import android.net.wifi.WifiAvailableChannel; |
| import android.net.wifi.WifiClient; |
| import android.net.wifi.WifiConfiguration; |
| import android.net.wifi.WifiInfo; |
| import android.net.wifi.WifiManager; |
| import android.net.wifi.WifiManager.AddNetworkResult; |
| import android.net.wifi.WifiManager.CoexRestriction; |
| import android.net.wifi.WifiManager.DeviceMobilityState; |
| import android.net.wifi.WifiManager.LocalOnlyHotspotCallback; |
| import android.net.wifi.WifiManager.SapClientBlockedReason; |
| import android.net.wifi.WifiManager.SapStartFailure; |
| import android.net.wifi.WifiManager.SuggestionConnectionStatusListener; |
| import android.net.wifi.WifiManager.WifiApState; |
| import android.net.wifi.WifiNetworkSuggestion; |
| import android.net.wifi.WifiScanner; |
| import android.net.wifi.hotspot2.IProvisioningCallback; |
| import android.net.wifi.hotspot2.OsuProvider; |
| import android.net.wifi.hotspot2.PasspointConfiguration; |
| import android.os.AsyncTask; |
| import android.os.Binder; |
| import android.os.Build; |
| import android.os.Handler; |
| import android.os.HandlerExecutor; |
| import android.os.HandlerThread; |
| import android.os.IBinder; |
| import android.os.Looper; |
| import android.os.ParcelFileDescriptor; |
| import android.os.PersistableBundle; |
| import android.os.PowerManager; |
| import android.os.Process; |
| import android.os.RemoteCallbackList; |
| import android.os.RemoteException; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.os.WorkSource; |
| import android.os.connectivity.WifiActivityEnergyInfo; |
| import android.provider.Settings; |
| import android.telephony.CarrierConfigManager; |
| import android.telephony.PhoneStateListener; |
| import android.telephony.SubscriptionManager; |
| import android.telephony.TelephonyManager; |
| import android.text.TextUtils; |
| import android.util.Log; |
| |
| import androidx.annotation.RequiresApi; |
| |
| import com.android.internal.annotations.GuardedBy; |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.modules.utils.ParceledListSlice; |
| import com.android.modules.utils.build.SdkLevel; |
| import com.android.net.module.util.Inet4AddressUtils; |
| import com.android.server.wifi.coex.CoexManager; |
| import com.android.server.wifi.hotspot2.PasspointManager; |
| import com.android.server.wifi.hotspot2.PasspointProvider; |
| import com.android.server.wifi.proto.nano.WifiMetricsProto.UserActionEvent; |
| import com.android.server.wifi.util.ActionListenerWrapper; |
| import com.android.server.wifi.util.ApConfigUtil; |
| import com.android.server.wifi.util.GeneralUtil.Mutable; |
| import com.android.server.wifi.util.LastCallerInfoManager; |
| import com.android.server.wifi.util.RssiUtil; |
| import com.android.server.wifi.util.ScanResultUtil; |
| import com.android.server.wifi.util.WifiPermissionsUtil; |
| import com.android.wifi.resources.R; |
| |
| 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.CertificateFactory; |
| import java.security.cert.PKIXParameters; |
| import java.security.cert.X509Certificate; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Objects; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.Executor; |
| import java.util.concurrent.TimeUnit; |
| |
| /** |
| * WifiService handles remote WiFi operation requests by implementing |
| * the IWifiManager interface. |
| */ |
| public class WifiServiceImpl extends BaseWifiService { |
| private static final String TAG = "WifiService"; |
| private static final boolean VDBG = false; |
| |
| /** Max wait time for posting blocking runnables */ |
| private static final int RUN_WITH_SCISSORS_TIMEOUT_MILLIS = 4000; |
| @VisibleForTesting |
| static final int AUTO_DISABLE_SHOW_KEY_COUNTDOWN_MILLIS = 24 * 60 * 60 * 1000; |
| |
| private final ActiveModeWarden mActiveModeWarden; |
| private final ScanRequestProxy mScanRequestProxy; |
| |
| private final WifiContext mContext; |
| private final FrameworkFacade mFacade; |
| private final Clock mClock; |
| |
| private final PowerManager mPowerManager; |
| private final AppOpsManager mAppOps; |
| private final UserManager mUserManager; |
| private final WifiCountryCode mCountryCode; |
| |
| /** Polls traffic stats and notifies clients */ |
| private final WifiTrafficPoller mWifiTrafficPoller; |
| /** Tracks the persisted states for wi-fi & airplane mode */ |
| private final WifiSettingsStore mSettingsStore; |
| /** Logs connection events and some general router and scan stats */ |
| private final WifiMetrics mWifiMetrics; |
| |
| private final WifiInjector mWifiInjector; |
| /** Backup/Restore Module */ |
| private final WifiBackupRestore mWifiBackupRestore; |
| private final SoftApBackupRestore mSoftApBackupRestore; |
| private final CoexManager mCoexManager; |
| private final WifiNetworkSuggestionsManager mWifiNetworkSuggestionsManager; |
| private final WifiConfigManager mWifiConfigManager; |
| private final PasspointManager mPasspointManager; |
| private final WifiLog mLog; |
| private final WifiConnectivityManager mWifiConnectivityManager; |
| private final ConnectHelper mConnectHelper; |
| private final WifiGlobals mWifiGlobals; |
| private final WifiCarrierInfoManager mWifiCarrierInfoManager; |
| private @WifiManager.VerboseLoggingLevel int mVerboseLoggingLevel = |
| WifiManager.VERBOSE_LOGGING_LEVEL_DISABLED; |
| private final RemoteCallbackList<IWifiVerboseLoggingStatusChangedListener> |
| mRegisteredWifiLoggingStatusListeners = new RemoteCallbackList<>(); |
| |
| private final FrameworkFacade mFrameworkFacade; |
| |
| private final WifiPermissionsUtil mWifiPermissionsUtil; |
| |
| private final TetheredSoftApTracker mTetheredSoftApTracker; |
| |
| private final LohsSoftApTracker mLohsSoftApTracker; |
| |
| private final BuildProperties mBuildProperties; |
| |
| private final DefaultClientModeManager mDefaultClientModeManager; |
| |
| /** |
| * Callback for use with LocalOnlyHotspot to unregister requesting applications upon death. |
| */ |
| public final class LocalOnlyRequestorCallback |
| implements LocalOnlyHotspotRequestInfo.RequestingApplicationDeathCallback { |
| /** |
| * Called with requesting app has died. |
| */ |
| @Override |
| public void onLocalOnlyHotspotRequestorDeath(LocalOnlyHotspotRequestInfo requestor) { |
| mLog.trace("onLocalOnlyHotspotRequestorDeath pid=%") |
| .c(requestor.getPid()).flush(); |
| mLohsSoftApTracker.stopByRequest(requestor); |
| } |
| } |
| |
| /** |
| * Listen for phone call state events to get active data subcription id. |
| */ |
| private class WifiPhoneStateListener extends PhoneStateListener { |
| WifiPhoneStateListener(Looper looper) { |
| super(new HandlerExecutor(new Handler(looper))); |
| } |
| |
| @Override |
| public void onActiveDataSubscriptionIdChanged(int subId) { |
| // post operation to handler thread |
| mWifiThreadRunner.post(() -> { |
| Log.d(TAG, "OBSERVED active data subscription change, subId: " + subId); |
| mTetheredSoftApTracker.updateSoftApCapabilityWhenCarrierConfigChanged(subId); |
| mActiveModeWarden.updateSoftApCapability( |
| mTetheredSoftApTracker.getSoftApCapability()); |
| }); |
| } |
| } |
| |
| private final WifiLockManager mWifiLockManager; |
| private final WifiMulticastLockManager mWifiMulticastLockManager; |
| private final DppManager mDppManager; |
| private final WifiApConfigStore mWifiApConfigStore; |
| private final WifiThreadRunner mWifiThreadRunner; |
| private final HandlerThread mWifiHandlerThread; |
| private final MemoryStoreImpl mMemoryStoreImpl; |
| private final WifiScoreCard mWifiScoreCard; |
| private final WifiHealthMonitor mWifiHealthMonitor; |
| private final WifiDataStall mWifiDataStall; |
| private final WifiNative mWifiNative; |
| private final SimRequiredNotifier mSimRequiredNotifier; |
| private final MakeBeforeBreakManager mMakeBeforeBreakManager; |
| private final LastCallerInfoManager mLastCallerInfoManager; |
| |
| /** |
| * The wrapper of SoftApCallback is used in WifiService internally. |
| * see: {@code WifiManager.SoftApCallback} |
| */ |
| public interface SoftApCallbackInternal { |
| /** |
| * see: {@code WifiManager.SoftApCallback#onStateChanged(int, int)} |
| */ |
| default void onStateChanged(@WifiApState int state, @SapStartFailure int failureReason) {} |
| |
| /** |
| * The callback which only is used in service internally and pass to WifiManager. |
| * It will base on the change to send corresponding callback as below: |
| * 1. onInfoChanged(SoftApInfo) |
| * 2. onInfoChanged(List<SoftApInfo>) |
| * 3. onConnectedClientsChanged(SoftApInfo, List<WifiClient>) |
| * 4. onConnectedClientsChanged(List<WifiClient>) |
| */ |
| default void onConnectedClientsOrInfoChanged(Map<String, SoftApInfo> infos, |
| Map<String, List<WifiClient>> clients, boolean isBridged) {} |
| |
| /** |
| * see: {@code WifiManager.SoftApCallback#onCapabilityChanged(SoftApCapability)} |
| */ |
| default void onCapabilityChanged(@NonNull SoftApCapability softApCapability) {} |
| |
| /** |
| * see: {@code WifiManager.SoftApCallback#onBlockedClientConnecting(WifiClient, int)} |
| */ |
| default void onBlockedClientConnecting(@NonNull WifiClient client, |
| @SapClientBlockedReason int blockedReason) {} |
| } |
| |
| |
| public WifiServiceImpl(WifiContext context, WifiInjector wifiInjector) { |
| mContext = context; |
| mWifiInjector = wifiInjector; |
| mClock = wifiInjector.getClock(); |
| |
| mFacade = mWifiInjector.getFrameworkFacade(); |
| mWifiMetrics = mWifiInjector.getWifiMetrics(); |
| mWifiTrafficPoller = mWifiInjector.getWifiTrafficPoller(); |
| mUserManager = mWifiInjector.getUserManager(); |
| mCountryCode = mWifiInjector.getWifiCountryCode(); |
| mActiveModeWarden = mWifiInjector.getActiveModeWarden(); |
| mScanRequestProxy = mWifiInjector.getScanRequestProxy(); |
| mSettingsStore = mWifiInjector.getWifiSettingsStore(); |
| mPowerManager = mContext.getSystemService(PowerManager.class); |
| mAppOps = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE); |
| mWifiLockManager = mWifiInjector.getWifiLockManager(); |
| mWifiMulticastLockManager = mWifiInjector.getWifiMulticastLockManager(); |
| mWifiBackupRestore = mWifiInjector.getWifiBackupRestore(); |
| mSoftApBackupRestore = mWifiInjector.getSoftApBackupRestore(); |
| mWifiApConfigStore = mWifiInjector.getWifiApConfigStore(); |
| mWifiPermissionsUtil = mWifiInjector.getWifiPermissionsUtil(); |
| mLog = mWifiInjector.makeLog(TAG); |
| mFrameworkFacade = wifiInjector.getFrameworkFacade(); |
| mTetheredSoftApTracker = new TetheredSoftApTracker(); |
| mActiveModeWarden.registerSoftApCallback(mTetheredSoftApTracker); |
| mLohsSoftApTracker = new LohsSoftApTracker(); |
| mActiveModeWarden.registerLohsCallback(mLohsSoftApTracker); |
| mWifiNetworkSuggestionsManager = mWifiInjector.getWifiNetworkSuggestionsManager(); |
| mDppManager = mWifiInjector.getDppManager(); |
| mWifiThreadRunner = mWifiInjector.getWifiThreadRunner(); |
| mWifiHandlerThread = mWifiInjector.getWifiHandlerThread(); |
| mWifiConfigManager = mWifiInjector.getWifiConfigManager(); |
| mPasspointManager = mWifiInjector.getPasspointManager(); |
| mWifiScoreCard = mWifiInjector.getWifiScoreCard(); |
| mWifiHealthMonitor = wifiInjector.getWifiHealthMonitor(); |
| mMemoryStoreImpl = new MemoryStoreImpl(mContext, mWifiInjector, |
| mWifiScoreCard, mWifiHealthMonitor); |
| mWifiConnectivityManager = wifiInjector.getWifiConnectivityManager(); |
| mWifiDataStall = wifiInjector.getWifiDataStall(); |
| mWifiNative = wifiInjector.getWifiNative(); |
| mCoexManager = wifiInjector.getCoexManager(); |
| mConnectHelper = wifiInjector.getConnectHelper(); |
| mWifiGlobals = wifiInjector.getWifiGlobals(); |
| mSimRequiredNotifier = wifiInjector.getSimRequiredNotifier(); |
| mWifiCarrierInfoManager = wifiInjector.getWifiCarrierInfoManager(); |
| mMakeBeforeBreakManager = mWifiInjector.getMakeBeforeBreakManager(); |
| mLastCallerInfoManager = mWifiInjector.getLastCallerInfoManager(); |
| mBuildProperties = mWifiInjector.getBuildProperties(); |
| mDefaultClientModeManager = mWifiInjector.getDefaultClientModeManager(); |
| } |
| |
| /** |
| * 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() { |
| mWifiThreadRunner.post(() -> { |
| if (!mWifiConfigManager.loadFromStore()) { |
| Log.e(TAG, "Failed to load from config store"); |
| } |
| mWifiConfigManager.incrementNumRebootsSinceLastUse(); |
| // config store is read, check if verbose logging is enabled. |
| enableVerboseLoggingInternal( |
| mWifiInjector.getSettingsConfigStore().get(WIFI_VERBOSE_LOGGING_ENABLED) |
| ? 1 : 0); |
| // Check if wi-fi needs to be enabled |
| boolean wifiEnabled = mSettingsStore.isWifiToggleEnabled(); |
| Log.i(TAG, |
| "WifiService starting up with Wi-Fi " + (wifiEnabled ? "enabled" : "disabled")); |
| |
| mWifiInjector.getWifiScanAlwaysAvailableSettingsCompatibility().initialize(); |
| mWifiInjector.getWifiNotificationManager().createNotificationChannels(); |
| mContext.registerReceiver( |
| new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| int state = intent.getIntExtra(TelephonyManager.EXTRA_SIM_STATE, |
| TelephonyManager.SIM_STATE_UNKNOWN); |
| if (TelephonyManager.SIM_STATE_ABSENT == state) { |
| Log.d(TAG, "resetting networks because SIM was removed"); |
| resetCarrierNetworks(RESET_SIM_REASON_SIM_REMOVED); |
| } |
| } |
| }, |
| new IntentFilter(TelephonyManager.ACTION_SIM_CARD_STATE_CHANGED), |
| null, |
| new Handler(mWifiHandlerThread.getLooper())); |
| |
| mContext.registerReceiver( |
| new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| int state = intent.getIntExtra(TelephonyManager.EXTRA_SIM_STATE, |
| TelephonyManager.SIM_STATE_UNKNOWN); |
| if (TelephonyManager.SIM_STATE_LOADED == state) { |
| Log.d(TAG, "resetting networks because SIM was loaded"); |
| resetCarrierNetworks(RESET_SIM_REASON_SIM_INSERTED); |
| } |
| } |
| }, |
| new IntentFilter(TelephonyManager.ACTION_SIM_APPLICATION_STATE_CHANGED), |
| null, |
| new Handler(mWifiHandlerThread.getLooper())); |
| |
| mContext.registerReceiver( |
| new BroadcastReceiver() { |
| private int mLastSubId = SubscriptionManager.INVALID_SUBSCRIPTION_ID; |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| final int subId = intent.getIntExtra("subscription", |
| SubscriptionManager.INVALID_SUBSCRIPTION_ID); |
| if (subId != mLastSubId) { |
| Log.d(TAG, "resetting networks as default data SIM is changed"); |
| resetCarrierNetworks(RESET_SIM_REASON_DEFAULT_DATA_SIM_CHANGED); |
| mLastSubId = subId; |
| mWifiDataStall.resetPhoneStateListener(); |
| } |
| } |
| }, |
| new IntentFilter(TelephonyManager.ACTION_DEFAULT_DATA_SUBSCRIPTION_CHANGED), |
| null, |
| new Handler(mWifiHandlerThread.getLooper())); |
| |
| mContext.registerReceiver( |
| new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| String countryCode = intent.getStringExtra( |
| TelephonyManager.EXTRA_NETWORK_COUNTRY); |
| Log.d(TAG, "Country code changed to :" + countryCode); |
| mCountryCode.setTelephonyCountryCodeAndUpdate(countryCode); |
| } |
| }, |
| new IntentFilter(TelephonyManager.ACTION_NETWORK_COUNTRY_CHANGED), |
| null, |
| new Handler(mWifiHandlerThread.getLooper())); |
| |
| mContext.registerReceiver( |
| new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| Log.d(TAG, "locale changed"); |
| resetNotificationManager(); |
| } |
| }, |
| new IntentFilter(Intent.ACTION_LOCALE_CHANGED), |
| null, |
| new Handler(mWifiHandlerThread.getLooper())); |
| |
| // 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(); |
| mInIdleMode = mPowerManager.isDeviceIdleMode(); |
| |
| mActiveModeWarden.start(); |
| registerForCarrierConfigChange(); |
| mWifiInjector.getAdaptiveConnectivityEnabledSettingObserver().initialize(); |
| }); |
| } |
| |
| private void resetCarrierNetworks(@ClientModeImpl.ResetSimReason int resetReason) { |
| Log.d(TAG, "resetting carrier networks since SIM was changed"); |
| if (resetReason == RESET_SIM_REASON_SIM_INSERTED) { |
| // clear all SIM related notifications since some action was taken to address |
| // "missing" SIM issue |
| mSimRequiredNotifier.dismissSimRequiredNotification(); |
| } else { |
| mWifiConfigManager.resetSimNetworks(); |
| mWifiNetworkSuggestionsManager.resetSimNetworkSuggestions(); |
| mPasspointManager.resetSimPasspointNetwork(); |
| mWifiConfigManager.stopRestrictingAutoJoinToSubscriptionId(); |
| } |
| |
| // do additional handling if we are current connected to a sim auth network |
| for (ClientModeManager cmm : mActiveModeWarden.getClientModeManagers()) { |
| cmm.resetSimAuthNetworks(resetReason); |
| } |
| mWifiThreadRunner.post(mWifiNetworkSuggestionsManager::resetCarrierPrivilegedApps); |
| if (resetReason == RESET_SIM_REASON_SIM_INSERTED) { |
| // clear the blocklists in case any SIM based network were disabled due to the SIM |
| // not being available. |
| mWifiConfigManager.enableTemporaryDisabledNetworks(); |
| mWifiConnectivityManager.forceConnectivityScan(ClientModeImpl.WIFI_WORK_SOURCE); |
| } else { |
| // Remove all ephemeral carrier networks keep subscriptionId update with SIM changes |
| mWifiThreadRunner.post(mWifiConfigManager::removeEphemeralCarrierNetworks); |
| } |
| } |
| |
| public void handleBootCompleted() { |
| mWifiThreadRunner.post(() -> { |
| Log.d(TAG, "Handle boot completed"); |
| |
| // Register for system broadcasts. |
| IntentFilter intentFilter = new IntentFilter(); |
| intentFilter.addAction(Intent.ACTION_USER_REMOVED); |
| intentFilter.addAction(BluetoothAdapter.ACTION_CONNECTION_STATE_CHANGED); |
| intentFilter.addAction(BluetoothAdapter.ACTION_STATE_CHANGED); |
| intentFilter.addAction(PowerManager.ACTION_DEVICE_IDLE_MODE_CHANGED); |
| intentFilter.addAction(Intent.ACTION_SHUTDOWN); |
| mContext.registerReceiver( |
| new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| String action = intent.getAction(); |
| if (action.equals(Intent.ACTION_USER_REMOVED)) { |
| UserHandle userHandle = |
| intent.getParcelableExtra(Intent.EXTRA_USER); |
| if (userHandle == null) { |
| Log.e(TAG, |
| "User removed broadcast received with no user handle"); |
| return; |
| } |
| mWifiConfigManager |
| .removeNetworksForUser(userHandle.getIdentifier()); |
| } else if (action.equals( |
| BluetoothAdapter.ACTION_CONNECTION_STATE_CHANGED)) { |
| int state = intent.getIntExtra( |
| BluetoothAdapter.EXTRA_CONNECTION_STATE, |
| BluetoothAdapter.STATE_DISCONNECTED); |
| boolean isConnected = |
| state != BluetoothAdapter.STATE_DISCONNECTED; |
| mWifiGlobals.setBluetoothConnected(isConnected); |
| for (ClientModeManager cmm : |
| mActiveModeWarden.getClientModeManagers()) { |
| cmm.onBluetoothConnectionStateChanged(); |
| } |
| } else if (action.equals(BluetoothAdapter.ACTION_STATE_CHANGED)) { |
| int state = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, |
| BluetoothAdapter.STATE_OFF); |
| boolean isEnabled = state != BluetoothAdapter.STATE_OFF; |
| mWifiGlobals.setBluetoothEnabled(isEnabled); |
| for (ClientModeManager cmm : |
| mActiveModeWarden.getClientModeManagers()) { |
| cmm.onBluetoothConnectionStateChanged(); |
| } |
| } else if (action.equals( |
| PowerManager.ACTION_DEVICE_IDLE_MODE_CHANGED)) { |
| handleIdleModeChanged(); |
| } else if (action.equals(Intent.ACTION_SHUTDOWN)) { |
| handleShutDown(); |
| } |
| } |
| }, |
| intentFilter, |
| null, |
| new Handler(mWifiHandlerThread.getLooper())); |
| mMemoryStoreImpl.start(); |
| mPasspointManager.initializeProvisioner( |
| mWifiInjector.getPasspointProvisionerHandlerThread().getLooper()); |
| mWifiInjector.getWifiNetworkFactory().register(); |
| mWifiInjector.getUntrustedWifiNetworkFactory().register(); |
| mWifiInjector.getOemWifiNetworkFactory().register(); |
| mWifiInjector.getWifiP2pConnection().handleBootCompleted(); |
| // Start to listen country code change. |
| mCountryCode.registerListener(new CountryCodeListenerProxy()); |
| mTetheredSoftApTracker.handleBootCompleted(); |
| mWifiInjector.getSarManager().handleBootCompleted(); |
| }); |
| } |
| |
| public void handleUserSwitch(int userId) { |
| Log.d(TAG, "Handle user switch " + userId); |
| |
| mWifiThreadRunner.post(() -> { |
| mWifiConfigManager.handleUserSwitch(userId); |
| resetNotificationManager(); |
| }); |
| } |
| |
| public void handleUserUnlock(int userId) { |
| Log.d(TAG, "Handle user unlock " + userId); |
| mWifiThreadRunner.post(() -> mWifiConfigManager.handleUserUnlock(userId)); |
| } |
| |
| public void handleUserStop(int userId) { |
| Log.d(TAG, "Handle user stop " + userId); |
| mWifiThreadRunner.post(() -> mWifiConfigManager.handleUserStop(userId)); |
| } |
| |
| /** |
| * See {@link android.net.wifi.WifiManager#startScan} |
| * |
| * @param packageName Package name of the app that requests wifi scan. |
| * @param featureId The feature in the package |
| */ |
| @Override |
| public boolean startScan(String packageName, String featureId) { |
| if (enforceChangePermission(packageName) != MODE_ALLOWED) { |
| return false; |
| } |
| |
| int callingUid = Binder.getCallingUid(); |
| long ident = Binder.clearCallingIdentity(); |
| mLog.info("startScan uid=%").c(callingUid).flush(); |
| synchronized (this) { |
| if (mInIdleMode) { |
| // Need to send an immediate scan result broadcast in case the |
| // caller is waiting for a result .. |
| |
| // 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. |
| sendFailedScanBroadcast(); |
| mScanPending = true; |
| return false; |
| } |
| } |
| try { |
| mWifiPermissionsUtil.enforceCanAccessScanResults(packageName, featureId, callingUid, |
| null); |
| Boolean scanSuccess = mWifiThreadRunner.call(() -> |
| mScanRequestProxy.startScan(callingUid, packageName), null); |
| if (scanSuccess == null) { |
| sendFailedScanBroadcast(); |
| return false; |
| } |
| if (!scanSuccess) { |
| Log.e(TAG, "Failed to start scan"); |
| return false; |
| } |
| } catch (SecurityException e) { |
| Log.w(TAG, "Permission violation - startScan not allowed for" |
| + " uid=" + callingUid + ", packageName=" + packageName + ", reason=" + e); |
| return false; |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| return true; |
| } |
| |
| // Send a failed scan broadcast to indicate the current scan request failed. |
| private void sendFailedScanBroadcast() { |
| // clear calling identity to send broadcast |
| long callingIdentity = Binder.clearCallingIdentity(); |
| try { |
| 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); |
| } |
| |
| } |
| |
| /** |
| * WPS support in Client mode is deprecated. Return null. |
| */ |
| @Override |
| public String getCurrentNetworkWpsNfcConfigurationToken() { |
| // while CLs are in flight, return null here, will be removed (b/72423090) |
| enforceNetworkStackPermission(); |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("getCurrentNetworkWpsNfcConfigurationToken uid=%") |
| .c(Binder.getCallingUid()).flush(); |
| } |
| return null; |
| } |
| |
| private boolean mInIdleMode; |
| private boolean mScanPending; |
| |
| private 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. |
| // A security check of the caller's identity was made when the request arrived via |
| // Binder. Now we'll pass the current process's identity to startScan(). |
| startScan(mContext.getOpPackageName(), mContext.getAttributionTag()); |
| } |
| } |
| |
| private void handleShutDown() { |
| // Direct call to notify ActiveModeWarden as soon as possible with the assumption that |
| // notifyShuttingDown() doesn't have codes that may cause concurrentModificationException, |
| // e.g., access to a collection. |
| mActiveModeWarden.notifyShuttingDown(); |
| |
| // There is no explicit disconnection event in clientModeImpl during shutdown. |
| // Call resetConnectionState() so that connection duration is calculated |
| // before memory store write triggered by mMemoryStoreImpl.stop(). |
| mWifiScoreCard.resetAllConnectionStates(); |
| mMemoryStoreImpl.stop(); |
| } |
| |
| private boolean checkNetworkSettingsPermission(int pid, int uid) { |
| return mContext.checkPermission(android.Manifest.permission.NETWORK_SETTINGS, pid, uid) |
| == PERMISSION_GRANTED; |
| } |
| |
| private boolean checkNetworkSetupWizardPermission(int pid, int uid) { |
| return mContext.checkPermission(android.Manifest.permission.NETWORK_SETUP_WIZARD, pid, uid) |
| == PackageManager.PERMISSION_GRANTED; |
| } |
| |
| private boolean checkMainlineNetworkStackPermission(int pid, int uid) { |
| return mContext.checkPermission(NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, pid, uid) |
| == PackageManager.PERMISSION_GRANTED; |
| } |
| |
| private boolean checkNetworkStackPermission(int pid, int uid) { |
| return mContext.checkPermission(android.Manifest.permission.NETWORK_STACK, pid, uid) |
| == PackageManager.PERMISSION_GRANTED; |
| } |
| |
| private boolean checkNetworkManagedProvisioningPermission(int pid, int uid) { |
| return mContext.checkPermission(android.Manifest.permission.NETWORK_MANAGED_PROVISIONING, |
| pid, uid) == PackageManager.PERMISSION_GRANTED; |
| } |
| |
| /** |
| * Helper method to check if the entity initiating the binder call has any of the signature only |
| * permissions. |
| */ |
| private boolean isPrivileged(int pid, int uid) { |
| return checkNetworkSettingsPermission(pid, uid) |
| || checkNetworkSetupWizardPermission(pid, uid) |
| || checkNetworkStackPermission(pid, uid) |
| || checkNetworkManagedProvisioningPermission(pid, uid) |
| || isSignedWithPlatformKey(uid); |
| } |
| |
| /** Whether the uid is signed with the same key as the platform. */ |
| private boolean isSignedWithPlatformKey(int uid) { |
| return mContext.getPackageManager().checkSignatures(uid, Process.SYSTEM_UID) |
| == PackageManager.SIGNATURE_MATCH; |
| } |
| |
| /** |
| * Helper method to check if the entity initiating the binder call has setup wizard or settings |
| * permissions. |
| */ |
| private boolean isSettingsOrSuw(int pid, int uid) { |
| return checkNetworkSettingsPermission(pid, uid) |
| || checkNetworkSetupWizardPermission(pid, uid); |
| } |
| |
| /** Helper method to check if the entity initiating the binder call is a DO/PO app. */ |
| private boolean isDeviceOrProfileOwner(int uid, String packageName) { |
| return mWifiPermissionsUtil.isDeviceOwner(uid, packageName) |
| || mWifiPermissionsUtil.isProfileOwner(uid, packageName); |
| } |
| |
| private void enforceNetworkSettingsPermission() { |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.NETWORK_SETTINGS, |
| "WifiService"); |
| } |
| |
| private boolean checkAnyPermissionOf(String... permissions) { |
| for (String permission : permissions) { |
| if (mContext.checkCallingOrSelfPermission(permission) == PERMISSION_GRANTED) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| private void enforceAnyPermissionOf(String... permissions) { |
| if (!checkAnyPermissionOf(permissions)) { |
| throw new SecurityException("Requires one of the following permissions: " |
| + String.join(", ", permissions) + "."); |
| } |
| } |
| |
| private void enforceNetworkStackPermission() { |
| // TODO(b/142554155): Only check for MAINLINE_NETWORK_STACK permission |
| boolean granted = mContext.checkCallingOrSelfPermission( |
| android.Manifest.permission.NETWORK_STACK) |
| == PackageManager.PERMISSION_GRANTED; |
| if (granted) { |
| return; |
| } |
| mContext.enforceCallingOrSelfPermission( |
| NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, "WifiService"); |
| } |
| |
| private void enforceAccessPermission() { |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.ACCESS_WIFI_STATE, |
| "WifiService"); |
| } |
| |
| private void enforceRestartWifiSubsystemPermission() { |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.RESTART_WIFI_SUBSYSTEM, |
| "WifiService"); |
| } |
| |
| /** |
| * Checks whether the caller can change the wifi state. |
| * Possible results: |
| * 1. Operation is allowed. No exception thrown, and AppOpsManager.MODE_ALLOWED returned. |
| * 2. Operation is not allowed, and caller must be told about this. SecurityException is thrown. |
| * 3. Operation is not allowed, and caller must not be told about this (i.e. must silently |
| * ignore the operation). No exception is thrown, and AppOpsManager.MODE_IGNORED returned. |
| */ |
| @CheckResult |
| private int enforceChangePermission(String callingPackage) { |
| mAppOps.checkPackage(Binder.getCallingUid(), callingPackage); |
| if (checkNetworkSettingsPermission(Binder.getCallingPid(), Binder.getCallingUid())) { |
| return MODE_ALLOWED; |
| } |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.CHANGE_WIFI_STATE, |
| "WifiService"); |
| |
| return mAppOps.noteOp( |
| AppOpsManager.OPSTR_CHANGE_WIFI_STATE, Binder.getCallingUid(), callingPackage); |
| } |
| |
| private void enforceReadCredentialPermission() { |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.READ_WIFI_CREDENTIAL, |
| "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"); |
| } |
| |
| private void enforceLocationPermission(String pkgName, @Nullable String featureId, int uid) { |
| mWifiPermissionsUtil.enforceLocationPermission(pkgName, featureId, uid); |
| } |
| |
| /** |
| * Helper method to check if the app is allowed to access public API's deprecated in |
| * {@link Build.VERSION_CODES#Q}. |
| * Note: Invoke mAppOps.checkPackage(uid, packageName) before to ensure correct package name. |
| */ |
| private boolean isTargetSdkLessThanQOrPrivileged(String packageName, int pid, int uid) { |
| return mWifiPermissionsUtil.isTargetSdkLessThan(packageName, Build.VERSION_CODES.Q, uid) |
| || isPrivileged(pid, uid) |
| || isDeviceOrProfileOwner(uid, packageName) |
| || mWifiPermissionsUtil.isSystem(packageName, uid) |
| // TODO(b/140540984): Remove this bypass. |
| || mWifiPermissionsUtil.checkSystemAlertWindowPermission(uid, packageName); |
| } |
| |
| /** |
| * Helper method to check if the app is allowed to access public API's deprecated in |
| * {@link Build.VERSION_CODES#R}. |
| * Note: Invoke mAppOps.checkPackage(uid, packageName) before to ensure correct package name. |
| */ |
| private boolean isTargetSdkLessThanROrPrivileged(String packageName, int pid, int uid) { |
| return mWifiPermissionsUtil.isTargetSdkLessThan(packageName, Build.VERSION_CODES.R, uid) |
| || isPrivileged(pid, uid) |
| || isDeviceOrProfileOwner(uid, packageName) |
| || mWifiPermissionsUtil.isSystem(packageName, uid); |
| } |
| |
| /** |
| * Get the current primary ClientModeManager in a thread safe manner, but blocks on the main |
| * Wifi thread. |
| */ |
| private ClientModeManager getPrimaryClientModeManagerBlockingThreadSafe() { |
| return mWifiThreadRunner.call( |
| () -> mActiveModeWarden.getPrimaryClientModeManager(), |
| mDefaultClientModeManager); |
| } |
| |
| /** |
| * 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) { |
| if (enforceChangePermission(packageName) != MODE_ALLOWED) { |
| return false; |
| } |
| boolean isPrivileged = isPrivileged(Binder.getCallingPid(), Binder.getCallingUid()); |
| if (!isPrivileged && !isDeviceOrProfileOwner(Binder.getCallingUid(), packageName) |
| && !mWifiPermissionsUtil.isTargetSdkLessThan(packageName, Build.VERSION_CODES.Q, |
| Binder.getCallingUid()) |
| && !mWifiPermissionsUtil.isSystem(packageName, Binder.getCallingUid())) { |
| mLog.info("setWifiEnabled not allowed for uid=%") |
| .c(Binder.getCallingUid()).flush(); |
| return false; |
| } |
| // If Airplane mode is enabled, only privileged apps are allowed to toggle Wifi |
| if (mSettingsStore.isAirplaneModeOn() && !isPrivileged) { |
| mLog.err("setWifiEnabled in Airplane mode: only Settings can toggle wifi").flush(); |
| return false; |
| } |
| |
| // If SoftAp is enabled, only privileged apps are allowed to toggle wifi |
| if (!isPrivileged && mTetheredSoftApTracker.getState() == WIFI_AP_STATE_ENABLED) { |
| mLog.err("setWifiEnabled with SoftAp enabled: only Settings can toggle wifi").flush(); |
| return false; |
| } |
| |
| mLog.info("setWifiEnabled package=% uid=% enable=%").c(packageName) |
| .c(Binder.getCallingUid()).c(enable).flush(); |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| if (!mSettingsStore.handleWifiToggled(enable)) { |
| // Nothing to do if wifi cannot be toggled |
| return true; |
| } |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| if (mWifiPermissionsUtil.checkNetworkSettingsPermission(Binder.getCallingUid())) { |
| if (enable) { |
| mWifiMetrics.logUserActionEvent(UserActionEvent.EVENT_TOGGLE_WIFI_ON); |
| } else { |
| WifiInfo wifiInfo = |
| getPrimaryClientModeManagerBlockingThreadSafe().syncRequestConnectionInfo(); |
| mWifiMetrics.logUserActionEvent(UserActionEvent.EVENT_TOGGLE_WIFI_OFF, |
| wifiInfo == null ? -1 : wifiInfo.getNetworkId()); |
| } |
| } |
| mWifiMetrics.incrementNumWifiToggles(isPrivileged, enable); |
| mActiveModeWarden.wifiToggled(new WorkSource(Binder.getCallingUid(), packageName)); |
| mLastCallerInfoManager.put(LastCallerInfoManager.WIFI_ENABLED, Process.myTid(), |
| Binder.getCallingUid(), Binder.getCallingPid(), packageName, enable); |
| return true; |
| } |
| |
| @RequiresApi(Build.VERSION_CODES.S) |
| @Override |
| public void registerSubsystemRestartCallback(ISubsystemRestartCallback callback) { |
| if (!SdkLevel.isAtLeastS()) { |
| throw new UnsupportedOperationException(); |
| } |
| enforceAccessPermission(); |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("registerSubsystemRestartCallback uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| |
| mWifiThreadRunner.post(() -> { |
| if (!mActiveModeWarden.registerSubsystemRestartCallback(callback)) { |
| Log.e(TAG, "registerSubsystemRestartCallback: Failed to register callback"); |
| } |
| }); |
| } |
| |
| @RequiresApi(Build.VERSION_CODES.S) |
| @Override |
| public void unregisterSubsystemRestartCallback(ISubsystemRestartCallback callback) { |
| if (!SdkLevel.isAtLeastS()) { |
| throw new UnsupportedOperationException(); |
| } |
| enforceAccessPermission(); |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("registerSubsystemRestartCallback uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| mWifiThreadRunner.post(() -> { |
| if (!mActiveModeWarden.unregisterSubsystemRestartCallback(callback)) { |
| Log.e(TAG, "unregisterSubsystemRestartCallback: Failed to register callback"); |
| } |
| }); |
| } |
| |
| @RequiresApi(Build.VERSION_CODES.S) |
| @Override |
| public void restartWifiSubsystem() { |
| if (!SdkLevel.isAtLeastS()) { |
| throw new UnsupportedOperationException(); |
| } |
| enforceRestartWifiSubsystemPermission(); |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("restartWifiSubsystem uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| mWifiThreadRunner.post(() -> { |
| WifiInfo wifiInfo = |
| mActiveModeWarden.getPrimaryClientModeManager().syncRequestConnectionInfo(); |
| mWifiMetrics.logUserActionEvent(UserActionEvent.EVENT_RESTART_WIFI_SUB_SYSTEM, |
| wifiInfo == null ? -1 : wifiInfo.getNetworkId()); |
| mWifiInjector.getSelfRecovery().trigger(REASON_API_CALL); |
| }); |
| } |
| |
| /** |
| * 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(); |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("getWifiEnabledState uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| return getPrimaryClientModeManagerBlockingThreadSafe().syncGetWifiState(); |
| } |
| |
| /** |
| * 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(); |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("getWifiApEnabledState uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| return mTetheredSoftApTracker.getState(); |
| } |
| |
| /** |
| * 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(); |
| mLog.info("updateInterfaceIpState uid=%").c(Binder.getCallingUid()).flush(); |
| // hand off the work to our handler thread |
| mWifiThreadRunner.post(() -> mLohsSoftApTracker.updateInterfaceIpState(ifaceName, mode)); |
| } |
| |
| /** |
| * see {@link WifiManager#isDefaultCoexAlgorithmEnabled()} |
| * @return {@code true} if the default coex algorithm is enabled. {@code false} otherwise. |
| */ |
| @Override |
| public boolean isDefaultCoexAlgorithmEnabled() { |
| return mContext.getResources().getBoolean(R.bool.config_wifiDefaultCoexAlgorithmEnabled); |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#setCoexUnsafeChannels(List, int)} |
| * @param unsafeChannels List of {@link CoexUnsafeChannel} to avoid. |
| * @param restrictions Bitmap of {@link CoexRestriction} specifying the mandatory |
| * uses of the specified channels. |
| */ |
| @Override |
| @RequiresApi(Build.VERSION_CODES.S) |
| public void setCoexUnsafeChannels( |
| @NonNull List<CoexUnsafeChannel> unsafeChannels, int restrictions) { |
| if (!SdkLevel.isAtLeastS()) { |
| throw new UnsupportedOperationException(); |
| } |
| mContext.enforceCallingOrSelfPermission( |
| Manifest.permission.WIFI_UPDATE_COEX_UNSAFE_CHANNELS, "WifiService"); |
| if (unsafeChannels == null) { |
| throw new IllegalArgumentException("unsafeChannels cannot be null"); |
| } |
| if (mContext.getResources().getBoolean(R.bool.config_wifiDefaultCoexAlgorithmEnabled)) { |
| Log.e(TAG, "setCoexUnsafeChannels called but default coex algorithm is enabled"); |
| return; |
| } |
| mWifiThreadRunner.post(() -> |
| mCoexManager.setCoexUnsafeChannels(unsafeChannels, restrictions)); |
| } |
| |
| /** |
| * See {@link WifiManager#registerCoexCallback(WifiManager.CoexCallback)} |
| */ |
| @RequiresApi(Build.VERSION_CODES.S) |
| public void registerCoexCallback(@NonNull ICoexCallback callback) { |
| if (!SdkLevel.isAtLeastS()) { |
| throw new UnsupportedOperationException(); |
| } |
| mContext.enforceCallingOrSelfPermission( |
| Manifest.permission.WIFI_ACCESS_COEX_UNSAFE_CHANNELS, "WifiService"); |
| if (callback == null) { |
| throw new IllegalArgumentException("callback must not be null"); |
| } |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("registerCoexCallback uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| mWifiThreadRunner.post(() -> mCoexManager.registerRemoteCoexCallback(callback)); |
| } |
| |
| /** |
| * See {@link WifiManager#unregisterCoexCallback(WifiManager.CoexCallback)} |
| */ |
| @RequiresApi(Build.VERSION_CODES.S) |
| public void unregisterCoexCallback(@NonNull ICoexCallback callback) { |
| if (!SdkLevel.isAtLeastS()) { |
| throw new UnsupportedOperationException(); |
| } |
| mContext.enforceCallingOrSelfPermission( |
| Manifest.permission.WIFI_ACCESS_COEX_UNSAFE_CHANNELS, "WifiService"); |
| if (callback == null) { |
| throw new IllegalArgumentException("callback must not be null"); |
| } |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("unregisterCoexCallback uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| mWifiThreadRunner.post(() -> mCoexManager.unregisterRemoteCoexCallback(callback)); |
| } |
| |
| /** |
| * 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, String packageName) { |
| // NETWORK_STACK is a signature only permission. |
| enforceNetworkStackPermission(); |
| |
| mLog.info("startSoftAp uid=%").c(Binder.getCallingUid()).flush(); |
| |
| SoftApConfiguration softApConfig = null; |
| if (wifiConfig != null) { |
| softApConfig = ApConfigUtil.fromWifiConfiguration(wifiConfig); |
| if (softApConfig == null) { |
| return false; |
| } |
| } |
| |
| if (!mTetheredSoftApTracker.setEnablingIfAllowed()) { |
| mLog.err("Tethering is already active.").flush(); |
| return false; |
| } |
| |
| WorkSource requestorWs = new WorkSource(Binder.getCallingUid(), packageName); |
| if (!mWifiThreadRunner.call( |
| () -> mActiveModeWarden.canRequestMoreSoftApManagers(requestorWs), false)) { |
| // Take down LOHS if it is up. |
| mLohsSoftApTracker.stopAll(); |
| } |
| |
| if (!startSoftApInternal(new SoftApModeConfiguration( |
| WifiManager.IFACE_IP_MODE_TETHERED, softApConfig, |
| mTetheredSoftApTracker.getSoftApCapability()), requestorWs)) { |
| mTetheredSoftApTracker.setFailedWhileEnabling(); |
| return false; |
| } |
| mLastCallerInfoManager.put(LastCallerInfoManager.SOFT_AP, Process.myTid(), |
| Binder.getCallingUid(), Binder.getCallingPid(), packageName, true); |
| return true; |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#startTetheredHotspot(SoftApConfiguration)} |
| * @param softApConfig SSID, security and channel details as part of SoftApConfiguration |
| * @return {@code true} if softap start was triggered |
| * @throws SecurityException if the caller does not have permission to start softap |
| */ |
| @Override |
| public boolean startTetheredHotspot(@Nullable SoftApConfiguration softApConfig, |
| @NonNull String packageName) { |
| // NETWORK_STACK is a signature only permission. |
| enforceNetworkStackPermission(); |
| |
| mLog.info("startTetheredHotspot uid=%").c(Binder.getCallingUid()).flush(); |
| |
| if (!mWifiThreadRunner.call( |
| () -> mTetheredSoftApTracker.setEnablingIfAllowed(), false)) { |
| mLog.err("Tethering is already active.").flush(); |
| return false; |
| } |
| |
| WorkSource requestorWs = new WorkSource(Binder.getCallingUid(), packageName); |
| if (!mWifiThreadRunner.call( |
| () -> mActiveModeWarden.canRequestMoreSoftApManagers(requestorWs), false)) { |
| // Take down LOHS if it is up. |
| mLohsSoftApTracker.stopAll(); |
| } |
| |
| if (!startSoftApInternal(new SoftApModeConfiguration( |
| WifiManager.IFACE_IP_MODE_TETHERED, softApConfig, |
| mTetheredSoftApTracker.getSoftApCapability()), requestorWs)) { |
| mTetheredSoftApTracker.setFailedWhileEnabling(); |
| return false; |
| } |
| mLastCallerInfoManager.put(LastCallerInfoManager.TETHERED_HOTSPOT, Process.myTid(), |
| Binder.getCallingUid(), Binder.getCallingPid(), packageName, true); |
| return true; |
| } |
| |
| /** |
| * Internal method to start softap mode. Callers of this method should have already checked |
| * proper permissions beyond the NetworkStack permission. |
| */ |
| private boolean startSoftApInternal(SoftApModeConfiguration apConfig, WorkSource requestorWs) { |
| int uid = Binder.getCallingUid(); |
| boolean privileged = isSettingsOrSuw(Binder.getCallingPid(), uid); |
| mLog.trace("startSoftApInternal uid=% mode=%") |
| .c(uid).c(apConfig.getTargetMode()).flush(); |
| |
| // null wifiConfig is a meaningful input for CMD_SET_AP; it means to use the persistent |
| // AP config. |
| SoftApConfiguration softApConfig = apConfig.getSoftApConfiguration(); |
| if (softApConfig != null |
| && (!WifiApConfigStore.validateApWifiConfiguration( |
| softApConfig, privileged, mContext))) { |
| Log.e(TAG, "Invalid SoftApConfiguration"); |
| return false; |
| } |
| |
| mActiveModeWarden.startSoftAp(apConfig, requestorWs); |
| return true; |
| } |
| |
| /** |
| * 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(); |
| |
| // only permitted callers are allowed to this point - they must have gone through |
| // connectivity service since this method is protected with the NETWORK_STACK PERMISSION |
| |
| mLog.info("stopSoftAp uid=%").c(Binder.getCallingUid()).flush(); |
| |
| stopSoftApInternal(WifiManager.IFACE_IP_MODE_TETHERED); |
| mLastCallerInfoManager.put(LastCallerInfoManager.SOFT_AP, Process.myTid(), |
| Binder.getCallingUid(), Binder.getCallingPid(), "<unknown>", false); |
| return true; |
| } |
| |
| /** |
| * Internal method to stop softap mode. |
| * |
| * Callers of this method should have already checked |
| * proper permissions beyond the NetworkStack permission. |
| * |
| * @param mode the operating mode of APs to bring down (ex, |
| * {@link WifiManager.IFACE_IP_MODE_TETHERED} or |
| * {@link WifiManager.IFACE_IP_MODE_LOCAL_ONLY}). |
| * Use {@link WifiManager.IFACE_IP_MODE_UNSPECIFIED} to stop all APs. |
| */ |
| private void stopSoftApInternal(int mode) { |
| mLog.trace("stopSoftApInternal uid=% mode=%").c(Binder.getCallingUid()).c(mode).flush(); |
| |
| mActiveModeWarden.stopSoftAp(mode); |
| } |
| |
| private final class CountryCodeListenerProxy implements WifiCountryCode.ChangeListener { |
| @Override |
| public void onDriverCountryCodeChanged(String countryCode) { |
| // post operation to handler thread |
| mWifiThreadRunner.post(() -> { |
| Log.i(TAG, "onDriverCountryCodeChanged " + countryCode); |
| mTetheredSoftApTracker.updateAvailChannelListInSoftApCapability(); |
| mActiveModeWarden.updateSoftApCapability( |
| mTetheredSoftApTracker.getSoftApCapability()); |
| }); |
| } |
| } |
| |
| /** |
| * SoftAp callback |
| */ |
| private final class TetheredSoftApTracker implements SoftApCallbackInternal { |
| /** |
| * State of tethered SoftAP |
| * 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} |
| */ |
| private final Object mLock = new Object(); |
| private int mTetheredSoftApState = WIFI_AP_STATE_DISABLED; |
| private Map<String, List<WifiClient>> mTetheredSoftApConnectedClientsMap = new HashMap(); |
| private Map<String, SoftApInfo> mTetheredSoftApInfoMap = new HashMap(); |
| private boolean mIsBridgedMode = false; |
| // TODO: We need to maintain two capability. One for LTE + SAP and one for WIFI + SAP |
| private SoftApCapability mTetheredSoftApCapability = null; |
| private boolean mIsBootComplete = false; |
| |
| public void handleBootCompleted() { |
| mIsBootComplete = true; |
| updateAvailChannelListInSoftApCapability(); |
| } |
| |
| public int getState() { |
| synchronized (mLock) { |
| return mTetheredSoftApState; |
| } |
| } |
| |
| public boolean setEnablingIfAllowed() { |
| synchronized (mLock) { |
| if (mTetheredSoftApState != WIFI_AP_STATE_DISABLED |
| && mTetheredSoftApState != WIFI_AP_STATE_FAILED) { |
| return false; |
| } |
| mTetheredSoftApState = WIFI_AP_STATE_ENABLING; |
| return true; |
| } |
| } |
| |
| public void setFailedWhileEnabling() { |
| synchronized (mLock) { |
| if (mTetheredSoftApState == WIFI_AP_STATE_ENABLING) { |
| mTetheredSoftApState = WIFI_AP_STATE_FAILED; |
| } |
| } |
| } |
| |
| public Map<String, List<WifiClient>> getConnectedClients() { |
| synchronized (mLock) { |
| return mTetheredSoftApConnectedClientsMap; |
| } |
| } |
| |
| public Map<String, SoftApInfo> getSoftApInfos() { |
| synchronized (mLock) { |
| return mTetheredSoftApInfoMap; |
| } |
| } |
| |
| public boolean getIsBridgedMode() { |
| synchronized (mLock) { |
| return mIsBridgedMode; |
| } |
| } |
| |
| public SoftApCapability getSoftApCapability() { |
| synchronized (mLock) { |
| if (mTetheredSoftApCapability == null) { |
| mTetheredSoftApCapability = ApConfigUtil.updateCapabilityFromResource(mContext); |
| // Default country code |
| mTetheredSoftApCapability = updateSoftApCapabilityWithAvailableChannelList( |
| mTetheredSoftApCapability); |
| } |
| return mTetheredSoftApCapability; |
| } |
| } |
| |
| private SoftApCapability updateSoftApCapabilityWithAvailableChannelList( |
| @NonNull SoftApCapability softApCapability) { |
| SoftApCapability newSoftApCapability = new SoftApCapability(softApCapability); |
| if (!mIsBootComplete) { |
| // The available channel list is from wificond. |
| // It might be a failure or stuck during wificond init. |
| return newSoftApCapability; |
| } |
| List<Integer> supportedChannelList = null; |
| if (ApConfigUtil.isSoftAp24GhzSupported(mContext)) { |
| supportedChannelList = ApConfigUtil.getAvailableChannelFreqsForBand( |
| SoftApConfiguration.BAND_2GHZ, mWifiNative, mContext.getResources(), false); |
| if (supportedChannelList != null) { |
| newSoftApCapability.setSupportedChannelList( |
| SoftApConfiguration.BAND_2GHZ, |
| supportedChannelList.stream().mapToInt(Integer::intValue).toArray()); |
| } |
| } |
| if (ApConfigUtil.isSoftAp5GhzSupported(mContext)) { |
| supportedChannelList = ApConfigUtil.getAvailableChannelFreqsForBand( |
| SoftApConfiguration.BAND_5GHZ, mWifiNative, mContext.getResources(), false); |
| if (supportedChannelList != null) { |
| newSoftApCapability.setSupportedChannelList( |
| SoftApConfiguration.BAND_5GHZ, |
| supportedChannelList.stream().mapToInt(Integer::intValue).toArray()); |
| } |
| } |
| if (ApConfigUtil.isSoftAp6GhzSupported(mContext)) { |
| supportedChannelList = ApConfigUtil.getAvailableChannelFreqsForBand( |
| SoftApConfiguration.BAND_6GHZ, mWifiNative, mContext.getResources(), false); |
| if (supportedChannelList != null) { |
| newSoftApCapability.setSupportedChannelList( |
| SoftApConfiguration.BAND_6GHZ, |
| supportedChannelList.stream().mapToInt(Integer::intValue).toArray()); |
| } |
| } |
| if (ApConfigUtil.isSoftAp60GhzSupported(mContext)) { |
| supportedChannelList = ApConfigUtil.getAvailableChannelFreqsForBand( |
| SoftApConfiguration.BAND_60GHZ, mWifiNative, mContext.getResources(), |
| false); |
| if (supportedChannelList != null) { |
| newSoftApCapability.setSupportedChannelList( |
| SoftApConfiguration.BAND_60GHZ, |
| supportedChannelList.stream().mapToInt(Integer::intValue).toArray()); |
| } |
| } |
| return newSoftApCapability; |
| } |
| |
| public void updateAvailChannelListInSoftApCapability() { |
| onCapabilityChanged(updateSoftApCapabilityWithAvailableChannelList( |
| getSoftApCapability())); |
| } |
| |
| public void updateSoftApCapabilityWhenCarrierConfigChanged(int subId) { |
| CarrierConfigManager carrierConfigManager = |
| mContext.getSystemService(CarrierConfigManager.class); |
| if (carrierConfigManager == null) return; |
| PersistableBundle carrierConfig = carrierConfigManager.getConfigForSubId(subId); |
| if (carrierConfig == null) return; |
| int carrierMaxClient = carrierConfig.getInt( |
| CarrierConfigManager.Wifi.KEY_HOTSPOT_MAX_CLIENT_COUNT); |
| int finalSupportedClientNumber = mContext.getResources().getInteger( |
| R.integer.config_wifiHardwareSoftapMaxClientCount); |
| if (carrierMaxClient > 0) { |
| finalSupportedClientNumber = Math.min(finalSupportedClientNumber, |
| carrierMaxClient); |
| } |
| if (finalSupportedClientNumber == getSoftApCapability().getMaxSupportedClients()) { |
| return; |
| } |
| SoftApCapability newSoftApCapability = new SoftApCapability(mTetheredSoftApCapability); |
| newSoftApCapability.setMaxSupportedClients( |
| finalSupportedClientNumber); |
| onCapabilityChanged(newSoftApCapability); |
| } |
| |
| private final RemoteCallbackList<ISoftApCallback> mRegisteredSoftApCallbacks = |
| new RemoteCallbackList<>(); |
| |
| public boolean registerSoftApCallback(ISoftApCallback callback) { |
| return mRegisteredSoftApCallbacks.register(callback); |
| } |
| |
| public void unregisterSoftApCallback(ISoftApCallback callback) { |
| mRegisteredSoftApCallbacks.unregister(callback); |
| } |
| |
| /** |
| * Called when soft AP state changes. |
| * |
| * @param state new new AP state. One of {@link #WIFI_AP_STATE_DISABLED}, |
| * {@link #WIFI_AP_STATE_DISABLING}, {@link #WIFI_AP_STATE_ENABLED}, |
| * {@link #WIFI_AP_STATE_ENABLING}, {@link #WIFI_AP_STATE_FAILED} |
| * @param failureReason reason when in failed state. One of |
| * {@link #SAP_START_FAILURE_GENERAL}, {@link #SAP_START_FAILURE_NO_CHANNEL} |
| */ |
| @Override |
| public void onStateChanged(int state, int failureReason) { |
| synchronized (mLock) { |
| mTetheredSoftApState = state; |
| } |
| |
| int itemCount = mRegisteredSoftApCallbacks.beginBroadcast(); |
| for (int i = 0; i < itemCount; i++) { |
| try { |
| mRegisteredSoftApCallbacks.getBroadcastItem(i).onStateChanged(state, |
| failureReason); |
| } catch (RemoteException e) { |
| Log.e(TAG, "onStateChanged: remote exception -- " + e); |
| } |
| } |
| mRegisteredSoftApCallbacks.finishBroadcast(); |
| } |
| |
| /** |
| * Called when the connected clients to soft AP changes. |
| * |
| * @param clients connected clients to soft AP |
| */ |
| @Override |
| public void onConnectedClientsOrInfoChanged(Map<String, SoftApInfo> infos, |
| Map<String, List<WifiClient>> clients, boolean isBridged) { |
| synchronized (mLock) { |
| mIsBridgedMode = isBridged; |
| if (infos.size() == 0 && isBridged) { |
| Log.d(TAG, "ShutDown bridged mode, clear isBridged cache in Service"); |
| mIsBridgedMode = false; |
| } |
| mTetheredSoftApConnectedClientsMap = |
| ApConfigUtil.deepCopyForWifiClientListMap(clients); |
| mTetheredSoftApInfoMap = ApConfigUtil.deepCopyForSoftApInfoMap(infos); |
| } |
| int itemCount = mRegisteredSoftApCallbacks.beginBroadcast(); |
| for (int i = 0; i < itemCount; i++) { |
| try { |
| mRegisteredSoftApCallbacks.getBroadcastItem(i).onConnectedClientsOrInfoChanged( |
| ApConfigUtil.deepCopyForSoftApInfoMap(mTetheredSoftApInfoMap), |
| ApConfigUtil.deepCopyForWifiClientListMap( |
| mTetheredSoftApConnectedClientsMap), isBridged, false); |
| } catch (RemoteException e) { |
| Log.e(TAG, "onConnectedClientsOrInfoChanged: remote exception -- " + e); |
| } |
| } |
| mRegisteredSoftApCallbacks.finishBroadcast(); |
| } |
| |
| /** |
| * Called when capability of softap changes. |
| * |
| * @param capability is the softap capability. {@link SoftApCapability} |
| */ |
| @Override |
| public void onCapabilityChanged(SoftApCapability capability) { |
| synchronized (mLock) { |
| if (Objects.equals(capability, mTetheredSoftApCapability)) { |
| return; |
| } |
| mTetheredSoftApCapability = new SoftApCapability(capability); |
| } |
| int itemCount = mRegisteredSoftApCallbacks.beginBroadcast(); |
| for (int i = 0; i < itemCount; i++) { |
| try { |
| mRegisteredSoftApCallbacks.getBroadcastItem(i).onCapabilityChanged( |
| mTetheredSoftApCapability); |
| } catch (RemoteException e) { |
| Log.e(TAG, "onCapabiliyChanged: remote exception -- " + e); |
| } |
| } |
| mRegisteredSoftApCallbacks.finishBroadcast(); |
| } |
| |
| /** |
| * Called when client trying to connect but device blocked the client with specific reason. |
| * |
| * @param client the currently blocked client. |
| * @param blockedReason one of blocked reason from |
| * {@link WifiManager.SapClientBlockedReason} |
| */ |
| @Override |
| public void onBlockedClientConnecting(WifiClient client, int blockedReason) { |
| int itemCount = mRegisteredSoftApCallbacks.beginBroadcast(); |
| for (int i = 0; i < itemCount; i++) { |
| try { |
| mRegisteredSoftApCallbacks.getBroadcastItem(i).onBlockedClientConnecting(client, |
| blockedReason); |
| } catch (RemoteException e) { |
| Log.e(TAG, "onBlockedClientConnecting: remote exception -- " + e); |
| } |
| } |
| mRegisteredSoftApCallbacks.finishBroadcast(); |
| } |
| } |
| |
| /** |
| * Implements LOHS behavior on top of the existing SoftAp API. |
| */ |
| private final class LohsSoftApTracker implements SoftApCallbackInternal { |
| @GuardedBy("mLocalOnlyHotspotRequests") |
| private final HashMap<Integer, LocalOnlyHotspotRequestInfo> |
| mLocalOnlyHotspotRequests = new HashMap<>(); |
| |
| /** Currently-active config, to be sent to shared clients registering later. */ |
| @GuardedBy("mLocalOnlyHotspotRequests") |
| private SoftApModeConfiguration mActiveConfig = null; |
| |
| /** |
| * Whether we are currently operating in exclusive mode (i.e. whether a custom config is |
| * active). |
| */ |
| @GuardedBy("mLocalOnlyHotspotRequests") |
| private boolean mIsExclusive = false; |
| |
| @GuardedBy("mLocalOnlyHotspotRequests") |
| private String mLohsInterfaceName; |
| |
| /** |
| * State of local-only hotspot |
| * 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} |
| */ |
| @GuardedBy("mLocalOnlyHotspotRequests") |
| private int mLohsState = WIFI_AP_STATE_DISABLED; |
| |
| @GuardedBy("mLocalOnlyHotspotRequests") |
| private int mLohsInterfaceMode = WifiManager.IFACE_IP_MODE_UNSPECIFIED; |
| |
| private SoftApCapability mLohsSoftApCapability = null; |
| |
| public SoftApCapability getSoftApCapability() { |
| if (mLohsSoftApCapability == null) { |
| mLohsSoftApCapability = ApConfigUtil.updateCapabilityFromResource(mContext); |
| } |
| return mLohsSoftApCapability; |
| } |
| |
| public void updateInterfaceIpState(String ifaceName, int mode) { |
| // update interface IP state related to local-only hotspot |
| synchronized (mLocalOnlyHotspotRequests) { |
| Log.d(TAG, "updateInterfaceIpState: ifaceName=" + ifaceName + " mode=" + mode |
| + " previous LOHS mode= " + mLohsInterfaceMode); |
| |
| switch (mode) { |
| case WifiManager.IFACE_IP_MODE_LOCAL_ONLY: |
| // first make sure we have registered requests. |
| if (mLocalOnlyHotspotRequests.isEmpty()) { |
| // we don't have requests... stop the hotspot |
| Log.wtf(TAG, "Starting LOHS without any requests?"); |
| stopSoftApInternal(WifiManager.IFACE_IP_MODE_LOCAL_ONLY); |
| return; |
| } |
| // LOHS is ready to go! Call our registered requestors! |
| mLohsInterfaceName = ifaceName; |
| mLohsInterfaceMode = mode; |
| sendHotspotStartedMessageToAllLOHSRequestInfoEntriesLocked(); |
| break; |
| case WifiManager.IFACE_IP_MODE_TETHERED: |
| if (mLohsInterfaceName != null |
| && mLohsInterfaceName.equals(ifaceName)) { |
| /* This shouldn't happen except in a race, but if it does, tear down |
| * the LOHS and let tethering win. |
| * |
| * If concurrent SAPs are allowed, the interface names will differ, |
| * so we don't have to check the config here. |
| */ |
| Log.e(TAG, "Unexpected IP mode change on " + ifaceName); |
| mLohsInterfaceName = null; |
| mLohsInterfaceMode = WifiManager.IFACE_IP_MODE_UNSPECIFIED; |
| sendHotspotFailedMessageToAllLOHSRequestInfoEntriesLocked( |
| LocalOnlyHotspotCallback.ERROR_INCOMPATIBLE_MODE); |
| } |
| break; |
| case WifiManager.IFACE_IP_MODE_CONFIGURATION_ERROR: |
| if (ifaceName == null) { |
| // All softAps |
| mLohsInterfaceName = null; |
| mLohsInterfaceMode = mode; |
| sendHotspotFailedMessageToAllLOHSRequestInfoEntriesLocked( |
| LocalOnlyHotspotCallback.ERROR_GENERIC); |
| stopSoftApInternal(WifiManager.IFACE_IP_MODE_UNSPECIFIED); |
| } else if (ifaceName.equals(mLohsInterfaceName)) { |
| mLohsInterfaceName = null; |
| mLohsInterfaceMode = mode; |
| sendHotspotFailedMessageToAllLOHSRequestInfoEntriesLocked( |
| LocalOnlyHotspotCallback.ERROR_GENERIC); |
| stopSoftApInternal(WifiManager.IFACE_IP_MODE_LOCAL_ONLY); |
| } else { |
| // Not for LOHS. This is the wrong place to do this, but... |
| stopSoftApInternal(WifiManager.IFACE_IP_MODE_TETHERED); |
| } |
| break; |
| case WifiManager.IFACE_IP_MODE_UNSPECIFIED: |
| if (ifaceName == null || ifaceName.equals(mLohsInterfaceName)) { |
| mLohsInterfaceName = null; |
| mLohsInterfaceMode = mode; |
| } |
| break; |
| default: |
| mLog.warn("updateInterfaceIpState: unknown mode %").c(mode).flush(); |
| } |
| } |
| } |
| |
| /** |
| * Helper method to send a HOTSPOT_FAILED message to all registered LocalOnlyHotspotRequest |
| * callers and clear the registrations. |
| * |
| * Callers should already hold the mLocalOnlyHotspotRequests lock. |
| */ |
| @GuardedBy("mLocalOnlyHotspotRequests") |
| private void sendHotspotFailedMessageToAllLOHSRequestInfoEntriesLocked(int reason) { |
| for (LocalOnlyHotspotRequestInfo requestor : mLocalOnlyHotspotRequests.values()) { |
| try { |
| requestor.sendHotspotFailedMessage(reason); |
| requestor.unlinkDeathRecipient(); |
| } catch (RemoteException e) { |
| // This will be cleaned up by binder death handling |
| } |
| } |
| |
| // Since all callers were notified, now clear the registrations. |
| mLocalOnlyHotspotRequests.clear(); |
| } |
| |
| /** |
| * Helper method to send a HOTSPOT_STOPPED message to all registered LocalOnlyHotspotRequest |
| * callers and clear the registrations. |
| * |
| * Callers should already hold the mLocalOnlyHotspotRequests lock. |
| */ |
| @GuardedBy("mLocalOnlyHotspotRequests") |
| private void sendHotspotStoppedMessageToAllLOHSRequestInfoEntriesLocked() { |
| for (LocalOnlyHotspotRequestInfo requestor : mLocalOnlyHotspotRequests.values()) { |
| try { |
| requestor.sendHotspotStoppedMessage(); |
| requestor.unlinkDeathRecipient(); |
| } catch (RemoteException e) { |
| // This will be cleaned up by binder death handling |
| } |
| } |
| |
| // Since all callers were notified, now clear the registrations. |
| mLocalOnlyHotspotRequests.clear(); |
| } |
| |
| /** |
| * Add a new LOHS client |
| */ |
| private int start(int pid, LocalOnlyHotspotRequestInfo request) { |
| synchronized (mLocalOnlyHotspotRequests) { |
| // does this caller already have a request? |
| if (mLocalOnlyHotspotRequests.get(pid) != null) { |
| mLog.trace("caller already has an active request").flush(); |
| throw new IllegalStateException( |
| "Caller already has an active LocalOnlyHotspot request"); |
| } |
| |
| // Never accept exclusive requests (with custom configuration) at the same time as |
| // shared requests. |
| if (!mLocalOnlyHotspotRequests.isEmpty()) { |
| boolean requestIsExclusive = request.getCustomConfig() != null; |
| if (mIsExclusive || requestIsExclusive) { |
| mLog.trace("Cannot share with existing LOHS request due to custom config") |
| .flush(); |
| return LocalOnlyHotspotCallback.ERROR_GENERIC; |
| } |
| } |
| |
| // At this point, the request is accepted. |
| if (mLocalOnlyHotspotRequests.isEmpty()) { |
| mWifiThreadRunner.post(() -> { |
| startForFirstRequestLocked(request); |
| }); |
| |
| } else if (mLohsInterfaceMode == WifiManager.IFACE_IP_MODE_LOCAL_ONLY) { |
| // LOHS has already started up for an earlier request, so we can send the |
| // current config to the incoming request right away. |
| try { |
| mLog.trace("LOHS already up, trigger onStarted callback").flush(); |
| request.sendHotspotStartedMessage(mActiveConfig.getSoftApConfiguration()); |
| } catch (RemoteException e) { |
| return LocalOnlyHotspotCallback.ERROR_GENERIC; |
| } |
| } |
| |
| mLocalOnlyHotspotRequests.put(pid, request); |
| return LocalOnlyHotspotCallback.REQUEST_REGISTERED; |
| } |
| } |
| |
| @GuardedBy("mLocalOnlyHotspotRequests") |
| private void startForFirstRequestLocked(LocalOnlyHotspotRequestInfo request) { |
| int band = WifiApConfigStore.generateDefaultBand(mContext); |
| |
| // For auto only |
| if (hasAutomotiveFeature(mContext)) { |
| if (mContext.getResources().getBoolean(R.bool.config_wifiLocalOnlyHotspot6ghz) |
| && ApConfigUtil.isBandSupported(SoftApConfiguration.BAND_6GHZ, mContext)) { |
| band = SoftApConfiguration.BAND_6GHZ; |
| } else if (mContext.getResources().getBoolean( |
| R.bool.config_wifi_local_only_hotspot_5ghz) |
| && ApConfigUtil.isBandSupported(SoftApConfiguration.BAND_5GHZ, mContext)) { |
| band = SoftApConfiguration.BAND_5GHZ; |
| } |
| } |
| SoftApConfiguration softApConfig = mWifiApConfigStore.generateLocalOnlyHotspotConfig( |
| mContext, band, request.getCustomConfig()); |
| |
| mActiveConfig = new SoftApModeConfiguration( |
| WifiManager.IFACE_IP_MODE_LOCAL_ONLY, |
| softApConfig, mLohsSoftApTracker.getSoftApCapability()); |
| mIsExclusive = (request.getCustomConfig() != null); |
| |
| startSoftApInternal(mActiveConfig, request.getWorkSource()); |
| } |
| |
| /** |
| * Requests that any local-only hotspot be stopped. |
| */ |
| public void stopAll() { |
| synchronized (mLocalOnlyHotspotRequests) { |
| if (!mLocalOnlyHotspotRequests.isEmpty()) { |
| // This is used to take down LOHS when tethering starts, and in that |
| // case we send failed instead of stopped. |
| // TODO check if that is right. Calling onFailed instead of onStopped when the |
| // hotspot is already started does not seem to match the documentation |
| sendHotspotFailedMessageToAllLOHSRequestInfoEntriesLocked( |
| LocalOnlyHotspotCallback.ERROR_INCOMPATIBLE_MODE); |
| stopIfEmptyLocked(); |
| } |
| } |
| } |
| |
| /** |
| * Unregisters the LOHS request from the given process and stops LOHS if no other clients. |
| */ |
| public void stopByPid(int pid) { |
| synchronized (mLocalOnlyHotspotRequests) { |
| LocalOnlyHotspotRequestInfo requestInfo = mLocalOnlyHotspotRequests.remove(pid); |
| if (requestInfo == null) return; |
| requestInfo.unlinkDeathRecipient(); |
| stopIfEmptyLocked(); |
| } |
| } |
| |
| /** |
| * Unregisters LocalOnlyHotspot request and stops the hotspot if needed. |
| */ |
| public void stopByRequest(LocalOnlyHotspotRequestInfo request) { |
| synchronized (mLocalOnlyHotspotRequests) { |
| if (mLocalOnlyHotspotRequests.remove(request.getPid()) == null) { |
| mLog.trace("LocalOnlyHotspotRequestInfo not found to remove").flush(); |
| return; |
| } |
| stopIfEmptyLocked(); |
| } |
| } |
| |
| @GuardedBy("mLocalOnlyHotspotRequests") |
| private void stopIfEmptyLocked() { |
| if (mLocalOnlyHotspotRequests.isEmpty()) { |
| mActiveConfig = null; |
| mIsExclusive = false; |
| mLohsInterfaceName = null; |
| mLohsInterfaceMode = WifiManager.IFACE_IP_MODE_UNSPECIFIED; |
| stopSoftApInternal(WifiManager.IFACE_IP_MODE_LOCAL_ONLY); |
| } |
| } |
| |
| /** |
| * Helper method to send a HOTSPOT_STARTED message to all registered LocalOnlyHotspotRequest |
| * callers. |
| * |
| * Callers should already hold the mLocalOnlyHotspotRequests lock. |
| */ |
| @GuardedBy("mLocalOnlyHotspotRequests") |
| private void sendHotspotStartedMessageToAllLOHSRequestInfoEntriesLocked() { |
| for (LocalOnlyHotspotRequestInfo requestor : mLocalOnlyHotspotRequests.values()) { |
| try { |
| requestor.sendHotspotStartedMessage(mActiveConfig.getSoftApConfiguration()); |
| } catch (RemoteException e) { |
| // This will be cleaned up by binder death handling |
| } |
| } |
| } |
| |
| @Override |
| public void onStateChanged(int state, int failureReason) { |
| // The AP state update from ClientModeImpl for softap |
| synchronized (mLocalOnlyHotspotRequests) { |
| Log.d(TAG, "lohs.onStateChanged: currentState=" + state |
| + " previousState=" + mLohsState + " errorCode= " + failureReason |
| + " ifaceName=" + mLohsInterfaceName); |
| |
| // check if we have a failure - since it is possible (worst case scenario where |
| // WifiController and ClientModeImpl are out of sync wrt modes) to get two FAILED |
| // notifications in a row, we need to handle this first. |
| if (state == WIFI_AP_STATE_FAILED) { |
| // update registered LOHS callbacks if we see a failure |
| int errorToReport = ERROR_GENERIC; |
| if (failureReason == SAP_START_FAILURE_NO_CHANNEL) { |
| errorToReport = ERROR_NO_CHANNEL; |
| } |
| // holding the required lock: send message to requestors and clear the list |
| sendHotspotFailedMessageToAllLOHSRequestInfoEntriesLocked(errorToReport); |
| // also need to clear interface ip state |
| updateInterfaceIpState(mLohsInterfaceName, |
| WifiManager.IFACE_IP_MODE_UNSPECIFIED); |
| } else if (state == WIFI_AP_STATE_DISABLING || state == WIFI_AP_STATE_DISABLED) { |
| // softap is shutting down or is down... let requestors know via the |
| // onStopped call |
| // if we are currently in hotspot mode, then trigger onStopped for registered |
| // requestors, otherwise something odd happened and we should clear state |
| if (mLohsInterfaceName != null |
| && mLohsInterfaceMode == WifiManager.IFACE_IP_MODE_LOCAL_ONLY) { |
| // holding the required lock: send message to requestors and clear the list |
| sendHotspotStoppedMessageToAllLOHSRequestInfoEntriesLocked(); |
| } else { |
| // LOHS not active: report an error (still holding the required lock) |
| sendHotspotFailedMessageToAllLOHSRequestInfoEntriesLocked(ERROR_GENERIC); |
| } |
| // also clear interface ip state |
| updateInterfaceIpState(mLohsInterfaceName, |
| WifiManager.IFACE_IP_MODE_UNSPECIFIED); |
| } |
| // For enabling and enabled, just record the new state |
| mLohsState = state; |
| } |
| } |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#registerSoftApCallback(Executor, |
| * WifiManager.SoftApCallback)} |
| * |
| * @param callback Soft AP callback to register |
| * |
| * @throws SecurityException if the caller does not have permission to register a callback |
| * @throws RemoteException if remote exception happens |
| * @throws IllegalArgumentException if the arguments are null or invalid |
| */ |
| @Override |
| public void registerSoftApCallback(ISoftApCallback callback) { |
| // verify arguments |
| if (callback == null) { |
| throw new IllegalArgumentException("Callback must not be null"); |
| } |
| |
| int uid = Binder.getCallingUid(); |
| int pid = Binder.getCallingPid(); |
| if (!mWifiPermissionsUtil.checkConfigOverridePermission(uid) |
| && !checkNetworkSettingsPermission(pid, uid) |
| && !checkMainlineNetworkStackPermission(pid, uid)) { |
| // random apps should not be allowed to read the user specified config |
| throw new SecurityException("App not allowed to read WiFi Ap information " |
| + "(uid/pid = " + uid + "/" + pid + ")"); |
| } |
| |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("registerSoftApCallback uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| |
| // post operation to handler thread |
| mWifiThreadRunner.post(() -> { |
| if (!mTetheredSoftApTracker.registerSoftApCallback(callback)) { |
| Log.e(TAG, "registerSoftApCallback: Failed to add callback"); |
| return; |
| } |
| // Update the client about the current state immediately after registering the callback |
| try { |
| callback.onStateChanged(mTetheredSoftApTracker.getState(), 0); |
| callback.onConnectedClientsOrInfoChanged(mTetheredSoftApTracker.getSoftApInfos(), |
| mTetheredSoftApTracker.getConnectedClients(), |
| mTetheredSoftApTracker.getIsBridgedMode(), true); |
| callback.onCapabilityChanged(mTetheredSoftApTracker.getSoftApCapability()); |
| } catch (RemoteException e) { |
| Log.e(TAG, "registerSoftApCallback: remote exception -- " + e); |
| } |
| }); |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#unregisterSoftApCallback(WifiManager.SoftApCallback)} |
| * |
| * @param callback Soft AP callback to unregister |
| * |
| * @throws SecurityException if the caller does not have permission to register a callback |
| */ |
| @Override |
| public void unregisterSoftApCallback(ISoftApCallback callback) { |
| int uid = Binder.getCallingUid(); |
| int pid = Binder.getCallingPid(); |
| if (!mWifiPermissionsUtil.checkConfigOverridePermission(uid) |
| && !checkNetworkSettingsPermission(pid, uid) |
| && !checkMainlineNetworkStackPermission(pid, uid)) { |
| // random apps should not be allowed to read the user specified config |
| throw new SecurityException("App not allowed to read WiFi Ap information " |
| + "(uid/pid = " + uid + "/" + pid + ")"); |
| } |
| |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("unregisterSoftApCallback uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| |
| // post operation to handler thread |
| mWifiThreadRunner.post(() -> |
| mTetheredSoftApTracker.unregisterSoftApCallback(callback)); |
| } |
| |
| /** |
| * Temporary method used for testing while start is not fully implemented. This |
| * method allows unit tests to register callbacks directly for testing mechanisms triggered by |
| * softap mode changes. |
| */ |
| @VisibleForTesting |
| void registerLOHSForTest(int pid, LocalOnlyHotspotRequestInfo request) { |
| mLohsSoftApTracker.start(pid, request); |
| } |
| |
| /** |
| * Method to start LocalOnlyHotspot. In this method, permissions, settings and modes are |
| * checked to verify that we can enter softapmode. This method returns |
| * {@link LocalOnlyHotspotCallback#REQUEST_REGISTERED} if we will attempt to start, otherwise, |
| * possible startup erros may include tethering being disallowed failure reason {@link |
| * LocalOnlyHotspotCallback#ERROR_TETHERING_DISALLOWED} or an incompatible mode failure reason |
| * {@link LocalOnlyHotspotCallback#ERROR_INCOMPATIBLE_MODE}. |
| * |
| * see {@link WifiManager#startLocalOnlyHotspot(LocalOnlyHotspotCallback)} |
| * |
| * @param callback Callback to communicate with WifiManager and allow cleanup if the app dies. |
| * @param packageName String name of the calling package. |
| * @param featureId The feature in the package |
| * @param customConfig Custom configuration to be applied to the hotspot, or null for a shared |
| * hotspot with framework-generated config. |
| * |
| * @return int return code for attempt to start LocalOnlyHotspot. |
| * |
| * @throws SecurityException if the caller does not have permission to start a Local Only |
| * Hotspot. |
| * @throws IllegalStateException if the caller attempts to start the LocalOnlyHotspot while they |
| * have an outstanding request. |
| */ |
| @Override |
| public int startLocalOnlyHotspot(ILocalOnlyHotspotCallback callback, String packageName, |
| String featureId, SoftApConfiguration customConfig) { |
| // first check if the caller has permission to start a local only hotspot |
| // need to check for WIFI_STATE_CHANGE and location permission |
| final int uid = Binder.getCallingUid(); |
| final int pid = Binder.getCallingPid(); |
| |
| mLog.info("start uid=% pid=%").c(uid).c(pid).flush(); |
| |
| final WorkSource requestorWs; |
| // Permission requirements are different with/without custom config. |
| if (customConfig == null) { |
| if (enforceChangePermission(packageName) != MODE_ALLOWED) { |
| return LocalOnlyHotspotCallback.ERROR_GENERIC; |
| } |
| enforceLocationPermission(packageName, featureId, uid); |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| // also need to verify that Locations services are enabled. |
| if (!mWifiPermissionsUtil.isLocationModeEnabled()) { |
| throw new SecurityException("Location mode is not enabled."); |
| } |
| // TODO(b/162344695): Exception added for LOHS. This exception is need to avoid |
| // breaking existing LOHS behavior: LOHS AP iface is allowed to delete STA iface |
| // (even if LOHS app has lower priority than user toggled on STA iface). This does |
| // not fit in with the new context based concurrency priority in HalDeviceManager, |
| // but we cannot break existing API's. So, we artificially boost the priority of |
| // the request by "faking" the requestor context as settings app. |
| // We probably need some UI dialog to allow the user to grant the app's LOHS |
| // request. Once that UI dialog is added, we can get rid of this hack and use the UI |
| // to elevate the priority of LOHS request only if user approves the request to |
| // toggle wifi off for LOHS. |
| requestorWs = mFrameworkFacade.getSettingsWorkSource(mContext); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } else { |
| if (!isSettingsOrSuw(Binder.getCallingPid(), Binder.getCallingUid())) { |
| throw new SecurityException(TAG + ": Permission denied"); |
| } |
| // Already privileged, no need to fake. |
| requestorWs = new WorkSource(uid, packageName); |
| } |
| |
| // verify that tethering is not disabled |
| if (mUserManager.hasUserRestrictionForUser( |
| UserManager.DISALLOW_CONFIG_TETHERING, UserHandle.getUserHandleForUid(uid))) { |
| return LocalOnlyHotspotCallback.ERROR_TETHERING_DISALLOWED; |
| } |
| |
| // the app should be in the foreground |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| // also need to verify that Locations services are enabled. |
| if (!mFrameworkFacade.isAppForeground(mContext, uid)) { |
| return LocalOnlyHotspotCallback.ERROR_INCOMPATIBLE_MODE; |
| } |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| |
| // check if we are currently tethering |
| if (!mActiveModeWarden.canRequestMoreSoftApManagers(requestorWs) |
| && mTetheredSoftApTracker.getState() == WIFI_AP_STATE_ENABLED) { |
| // Tethering is enabled, cannot start LocalOnlyHotspot |
| mLog.info("Cannot start localOnlyHotspot when WiFi Tethering is active.") |
| .flush(); |
| return LocalOnlyHotspotCallback.ERROR_INCOMPATIBLE_MODE; |
| } |
| |
| // now create the new LOHS request info object |
| LocalOnlyHotspotRequestInfo request = new LocalOnlyHotspotRequestInfo( |
| requestorWs, callback, new LocalOnlyRequestorCallback(), customConfig); |
| |
| return mLohsSoftApTracker.start(pid, request); |
| } |
| |
| /** |
| * see {@link WifiManager#stopLocalOnlyHotspot()} |
| * |
| * @throws SecurityException if the caller does not have permission to stop a Local Only |
| * Hotspot. |
| */ |
| @Override |
| public void stopLocalOnlyHotspot() { |
| // don't do a permission check here. if the app's permission to change the wifi state is |
| // revoked, we still want them to be able to stop a previously created hotspot (otherwise |
| // it could cost the user money). When the app created the hotspot, its permission was |
| // checked. |
| final int uid = Binder.getCallingUid(); |
| final int pid = Binder.getCallingPid(); |
| |
| mLog.info("stopLocalOnlyHotspot uid=% pid=%").c(uid).c(pid).flush(); |
| |
| mLohsSoftApTracker.stopByPid(pid); |
| } |
| |
| /** |
| * see {@link WifiManager#watchLocalOnlyHotspot(LocalOnlyHotspotObserver)} |
| * |
| * This call requires the android.permission.NETWORK_SETTINGS permission. |
| * |
| * @param callback Callback to communicate with WifiManager and allow cleanup if the app dies. |
| * |
| * @throws SecurityException if the caller does not have permission to watch Local Only Hotspot |
| * status updates. |
| * @throws IllegalStateException if the caller attempts to watch LocalOnlyHotspot updates with |
| * an existing subscription. |
| */ |
| @Override |
| public void startWatchLocalOnlyHotspot(ILocalOnlyHotspotCallback callback) { |
| // NETWORK_SETTINGS is a signature only permission. |
| enforceNetworkSettingsPermission(); |
| |
| throw new UnsupportedOperationException("LocalOnlyHotspot is still in development"); |
| } |
| |
| /** |
| * see {@link WifiManager#unregisterLocalOnlyHotspotObserver()} |
| */ |
| @Override |
| public void stopWatchLocalOnlyHotspot() { |
| // NETWORK_STACK is a signature only permission. |
| enforceNetworkSettingsPermission(); |
| throw new UnsupportedOperationException("LocalOnlyHotspot is still in development"); |
| } |
| |
| /** |
| * see {@link WifiManager#getWifiApConfiguration()} |
| * @return soft access point configuration |
| * @throws SecurityException if the caller does not have permission to retrieve the softap |
| * config |
| */ |
| @Nullable |
| @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 + ")"); |
| } |
| |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("getWifiApConfiguration uid=%").c(uid).flush(); |
| } |
| |
| // hand off work to the ClientModeImpl handler thread to sync work between calls |
| // and SoftApManager starting up softap |
| return (mWifiThreadRunner.call(mWifiApConfigStore::getApConfiguration, |
| new SoftApConfiguration.Builder().build())).toWifiConfiguration(); |
| } |
| |
| /** |
| * see {@link WifiManager#getSoftApConfiguration()} |
| * @return soft access point configuration {@link SoftApConfiguration} |
| * @throws SecurityException if the caller does not have permission to retrieve the softap |
| * config |
| */ |
| @NonNull |
| @Override |
| public SoftApConfiguration getSoftApConfiguration() { |
| int uid = Binder.getCallingUid(); |
| if (!mWifiPermissionsUtil.checkConfigOverridePermission(uid) |
| && !mWifiPermissionsUtil.checkNetworkSettingsPermission(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 + ")"); |
| } |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("getSoftApConfiguration uid=%").c(uid).flush(); |
| } |
| |
| // hand off work to the ClientModeImpl handler thread to sync work between calls |
| // and SoftApManager starting up softap |
| return mWifiThreadRunner.call(mWifiApConfigStore::getApConfiguration, |
| new SoftApConfiguration.Builder().build()); |
| } |
| |
| /** |
| * see {@link WifiManager#setWifiApConfiguration(WifiConfiguration)} |
| * @param wifiConfig WifiConfiguration details for soft access point |
| * @return boolean indicating success or failure of the operation |
| * @throws SecurityException if the caller does not have permission to write the softap config |
| */ |
| @Override |
| public boolean setWifiApConfiguration(WifiConfiguration wifiConfig, String packageName) { |
| if (enforceChangePermission(packageName) != MODE_ALLOWED) { |
| return false; |
| } |
| 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.info("setWifiApConfiguration uid=%").c(uid).flush(); |
| if (wifiConfig == null) |
| return false; |
| SoftApConfiguration softApConfig = ApConfigUtil.fromWifiConfiguration(wifiConfig); |
| if (softApConfig == null) return false; |
| if (WifiApConfigStore.validateApWifiConfiguration( |
| softApConfig, false, mContext)) { |
| mWifiThreadRunner.post(() -> mWifiApConfigStore.setApConfiguration(softApConfig)); |
| return true; |
| } else { |
| Log.e(TAG, "Invalid WifiConfiguration"); |
| return false; |
| } |
| } |
| |
| /** |
| * see {@link WifiManager#setSoftApConfiguration(SoftApConfiguration)} |
| * @param softApConfig {@link SoftApConfiguration} details for soft access point |
| * @return boolean indicating success or failure of the operation |
| * @throws SecurityException if the caller does not have permission to write the softap config |
| */ |
| @Override |
| public boolean setSoftApConfiguration( |
| @NonNull SoftApConfiguration softApConfig, @NonNull String packageName) { |
| int uid = Binder.getCallingUid(); |
| boolean privileged = mWifiPermissionsUtil.checkNetworkSettingsPermission(uid); |
| if (!mWifiPermissionsUtil.checkConfigOverridePermission(uid) |
| && !privileged) { |
| // 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.info("setSoftApConfiguration uid=%").c(uid).flush(); |
| if (softApConfig == null) return false; |
| if (WifiApConfigStore.validateApWifiConfiguration(softApConfig, privileged, mContext)) { |
| mActiveModeWarden.updateSoftApConfiguration(softApConfig); |
| mWifiThreadRunner.post(() -> mWifiApConfigStore.setApConfiguration(softApConfig)); |
| return true; |
| } else { |
| Log.e(TAG, "Invalid SoftAp Configuration"); |
| return false; |
| } |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#setScanAlwaysAvailable(boolean)} |
| */ |
| @Override |
| public void setScanAlwaysAvailable(boolean isAvailable, String packageName) { |
| enforceNetworkSettingsPermission(); |
| mLog.info("setScanAlwaysAvailable uid=% package=% isAvailable=%") |
| .c(Binder.getCallingUid()) |
| .c(packageName) |
| .c(isAvailable) |
| .flush(); |
| mSettingsStore.handleWifiScanAlwaysAvailableToggled(isAvailable); |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| mWifiInjector.getWifiScanAlwaysAvailableSettingsCompatibility() |
| .handleWifiScanAlwaysAvailableToggled(isAvailable); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| mActiveModeWarden.scanAlwaysModeChanged(); |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#isScanAlwaysAvailable()} |
| */ |
| @Override |
| public boolean isScanAlwaysAvailable() { |
| enforceAccessPermission(); |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("isScanAlwaysAvailable uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| return mSettingsStore.isScanAlwaysAvailableToggleEnabled(); |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#disconnect()} |
| */ |
| @Override |
| public boolean disconnect(String packageName) { |
| if (enforceChangePermission(packageName) != MODE_ALLOWED) { |
| return false; |
| } |
| if (!isTargetSdkLessThanQOrPrivileged( |
| packageName, Binder.getCallingPid(), Binder.getCallingUid())) { |
| mLog.info("disconnect not allowed for uid=%") |
| .c(Binder.getCallingUid()).flush(); |
| return false; |
| } |
| mLog.info("disconnect uid=%").c(Binder.getCallingUid()).flush(); |
| mWifiThreadRunner.post(() -> mActiveModeWarden.getPrimaryClientModeManager().disconnect()); |
| return true; |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#reconnect()} |
| */ |
| @Override |
| public boolean reconnect(String packageName) { |
| if (enforceChangePermission(packageName) != MODE_ALLOWED) { |
| return false; |
| } |
| int callingUid = Binder.getCallingUid(); |
| if (!isTargetSdkLessThanQOrPrivileged(packageName, Binder.getCallingPid(), callingUid)) { |
| mLog.info("reconnect not allowed for uid=%").c(callingUid).flush(); |
| return false; |
| } |
| mLog.info("reconnect uid=%").c(callingUid).flush(); |
| |
| mWifiThreadRunner.post(() -> { |
| mActiveModeWarden.getPrimaryClientModeManager().reconnect(new WorkSource(callingUid)); |
| }); |
| return true; |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#reassociate()} |
| */ |
| @Override |
| public boolean reassociate(String packageName) { |
| if (enforceChangePermission(packageName) != MODE_ALLOWED) { |
| return false; |
| } |
| if (!isTargetSdkLessThanQOrPrivileged( |
| packageName, Binder.getCallingPid(), Binder.getCallingUid())) { |
| mLog.info("reassociate not allowed for uid=%") |
| .c(Binder.getCallingUid()).flush(); |
| return false; |
| } |
| mLog.info("reassociate uid=%").c(Binder.getCallingUid()).flush(); |
| mWifiThreadRunner.post(() -> mActiveModeWarden.getPrimaryClientModeManager().reassociate()); |
| return true; |
| } |
| |
| /** |
| * Returns true if we should log the call to getSupportedFeatures. |
| * |
| * Because of the way getSupportedFeatures is used in WifiManager, there are |
| * often clusters of several back-to-back calls; avoid repeated logging if |
| * the feature set has not changed and the time interval is short. |
| */ |
| private boolean needToLogSupportedFeatures(long features) { |
| if (isVerboseLoggingEnabled()) { |
| long now = mClock.getElapsedSinceBootMillis(); |
| synchronized (this) { |
| if (now > mLastLoggedSupportedFeaturesTimestamp + A_FEW_MILLISECONDS |
| || features != mLastLoggedSupportedFeatures) { |
| mLastLoggedSupportedFeaturesTimestamp = now; |
| mLastLoggedSupportedFeatures = features; |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| private static final int A_FEW_MILLISECONDS = 250; |
| private long mLastLoggedSupportedFeatures = -1; |
| private long mLastLoggedSupportedFeaturesTimestamp = 0; |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#getSupportedFeatures} |
| */ |
| @Override |
| public long getSupportedFeatures() { |
| enforceAccessPermission(); |
| long features = getSupportedFeaturesInternal(); |
| if (needToLogSupportedFeatures(features)) { |
| mLog.info("getSupportedFeatures uid=% returns %") |
| .c(Binder.getCallingUid()) |
| .c(Long.toHexString(features)) |
| .flush(); |
| } |
| return features; |
| } |
| |
| @Override |
| public void getWifiActivityEnergyInfoAsync(IOnWifiActivityEnergyInfoListener listener) { |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("getWifiActivityEnergyInfoAsync uid=%") |
| .c(Binder.getCallingUid()) |
| .flush(); |
| } |
| // getWifiActivityEnergyInfo() performs permission checking |
| WifiActivityEnergyInfo info = getWifiActivityEnergyInfo(); |
| try { |
| listener.onWifiActivityEnergyInfo(info); |
| } catch (RemoteException e) { |
| Log.e(TAG, "onWifiActivityEnergyInfo: RemoteException -- ", e); |
| } |
| } |
| |
| private WifiActivityEnergyInfo getWifiActivityEnergyInfo() { |
| enforceAccessPermission(); |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("getWifiActivityEnergyInfo uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| if ((getSupportedFeatures() & WifiManager.WIFI_FEATURE_LINK_LAYER_STATS) == 0) { |
| return null; |
| } |
| WifiLinkLayerStats stats = mWifiThreadRunner.call( |
| () -> mActiveModeWarden.getPrimaryClientModeManager().getWifiLinkLayerStats(), |
| null); |
| if (stats == null) { |
| return null; |
| } |
| |
| final long rxIdleTimeMillis = stats.on_time - stats.tx_time - stats.rx_time; |
| if (VDBG || rxIdleTimeMillis < 0 || stats.on_time < 0 || stats.tx_time < 0 |
| || stats.rx_time < 0 || stats.on_time_scan < 0) { |
| Log.d(TAG, " getWifiActivityEnergyInfo: " |
| + " on_time_millis=" + stats.on_time |
| + " tx_time_millis=" + stats.tx_time |
| + " rx_time_millis=" + stats.rx_time |
| + " rxIdleTimeMillis=" + rxIdleTimeMillis |
| + " scan_time_millis=" + stats.on_time_scan); |
| } |
| |
| // Convert the LinkLayerStats into WifiActivityEnergyInfo |
| return new WifiActivityEnergyInfo( |
| mClock.getElapsedSinceBootMillis(), |
| WifiActivityEnergyInfo.STACK_STATE_STATE_IDLE, |
| stats.tx_time, |
| stats.rx_time, |
| stats.on_time_scan, |
| rxIdleTimeMillis); |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#getConfiguredNetworks()} |
| * |
| * @param packageName String name of the calling package |
| * @param featureId The feature in the package |
| * @param callerNetworksOnly Whether to only return networks created by the caller |
| * @return the list of configured networks |
| */ |
| @Override |
| public ParceledListSlice<WifiConfiguration> getConfiguredNetworks(String packageName, |
| String featureId, boolean callerNetworksOnly) { |
| enforceAccessPermission(); |
| int callingUid = Binder.getCallingUid(); |
| // bypass shell: can get various pkg name |
| // also bypass if caller is only retrieving networks added by itself |
| if (callingUid != Process.SHELL_UID && callingUid != Process.ROOT_UID) { |
| mWifiPermissionsUtil.checkPackage(callingUid, packageName); |
| if (!callerNetworksOnly) { |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| mWifiPermissionsUtil.enforceCanAccessScanResults(packageName, featureId, |
| callingUid, null); |
| } catch (SecurityException e) { |
| Log.w(TAG, "Permission violation - getConfiguredNetworks not allowed for uid=" |
| + callingUid + ", packageName=" + packageName + ", reason=" + e); |
| return new ParceledListSlice<>(new ArrayList<>()); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| } |
| boolean isDeviceOrProfileOwner = isDeviceOrProfileOwner(callingUid, packageName); |
| boolean isCarrierApp = mWifiInjector.makeTelephonyManager() |
| .checkCarrierPrivilegesForPackageAnyPhone(packageName) |
| == TelephonyManager.CARRIER_PRIVILEGE_STATUS_HAS_ACCESS; |
| boolean isPrivileged = isPrivileged(getCallingPid(), callingUid); |
| // Only DO, PO, carrier app or system app can use callerNetworksOnly argument |
| if (callerNetworksOnly) { |
| if (!isDeviceOrProfileOwner && !isCarrierApp && !isPrivileged) { |
| throw new SecurityException( |
| "Not a DO, PO, carrier or privileged app"); |
| } |
| } |
| boolean isTargetSdkLessThanQOrPrivileged = isTargetSdkLessThanQOrPrivileged( |
| packageName, Binder.getCallingPid(), callingUid); |
| if (!isTargetSdkLessThanQOrPrivileged && !isCarrierApp) { |
| mLog.info("getConfiguredNetworks not allowed for uid=%") |
| .c(callingUid).flush(); |
| return new ParceledListSlice<>(new ArrayList<>()); |
| } |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("getConfiguredNetworks uid=%").c(callingUid).flush(); |
| } |
| |
| int targetConfigUid = Process.INVALID_UID; // don't expose any MAC addresses |
| if (isPrivileged || isDeviceOrProfileOwner) { |
| targetConfigUid = Process.WIFI_UID; // expose all MAC addresses |
| } else if (isCarrierApp) { |
| targetConfigUid = callingUid; // expose only those configs created by the Carrier App |
| } |
| int finalTargetConfigUid = targetConfigUid; |
| List<WifiConfiguration> configs = mWifiThreadRunner.call( |
| () -> mWifiConfigManager.getSavedNetworks(finalTargetConfigUid), |
| Collections.emptyList()); |
| if (isTargetSdkLessThanQOrPrivileged && !callerNetworksOnly) { |
| return new ParceledListSlice<>( |
| WifiConfigurationUtil.convertMultiTypeConfigsToLegacyConfigs(configs)); |
| } |
| // Should only get its own configs |
| List<WifiConfiguration> creatorConfigs = new ArrayList<>(); |
| for (WifiConfiguration config : configs) { |
| if (config.creatorUid == callingUid) { |
| creatorConfigs.add(config); |
| } |
| } |
| return new ParceledListSlice<>( |
| WifiConfigurationUtil.convertMultiTypeConfigsToLegacyConfigs(creatorConfigs)); |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#getPrivilegedConfiguredNetworks()} |
| * |
| * @param packageName String name of the calling package |
| * @param featureId The feature in the package |
| * @return the list of configured networks with real preSharedKey |
| */ |
| @Override |
| public ParceledListSlice<WifiConfiguration> getPrivilegedConfiguredNetworks( |
| String packageName, String featureId) { |
| enforceReadCredentialPermission(); |
| enforceAccessPermission(); |
| int callingUid = Binder.getCallingUid(); |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| mWifiPermissionsUtil.enforceCanAccessScanResults(packageName, featureId, callingUid, |
| null); |
| } catch (SecurityException e) { |
| Log.w(TAG, "Permission violation - getPrivilegedConfiguredNetworks not allowed for" |
| + " uid=" + callingUid + ", packageName=" + packageName + ", reason=" + e); |
| return null; |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("getPrivilegedConfiguredNetworks uid=%").c(callingUid).flush(); |
| } |
| List<WifiConfiguration> configs = mWifiThreadRunner.call( |
| () -> mWifiConfigManager.getConfiguredNetworksWithPasswords(), |
| Collections.emptyList()); |
| return new ParceledListSlice<>( |
| WifiConfigurationUtil.convertMultiTypeConfigsToLegacyConfigs(configs)); |
| } |
| |
| /** |
| * Return a map of all matching configurations keys with corresponding scanResults (or an empty |
| * map if none). |
| * |
| * @param scanResults The list of scan results |
| * @return Map that consists of FQDN (Fully Qualified Domain Name) and corresponding |
| * scanResults per network type({@link WifiManager#PASSPOINT_HOME_NETWORK} and {@link |
| * WifiManager#PASSPOINT_ROAMING_NETWORK}). |
| */ |
| @Override |
| public Map<String, Map<Integer, List<ScanResult>>> |
| getAllMatchingPasspointProfilesForScanResults(List<ScanResult> scanResults) { |
| if (!isSettingsOrSuw(Binder.getCallingPid(), Binder.getCallingUid())) { |
| throw new SecurityException(TAG + ": Permission denied"); |
| } |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("getMatchingPasspointConfigurations uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| if (!ScanResultUtil.validateScanResultList(scanResults)) { |
| Log.e(TAG, "Attempt to retrieve passpoint with invalid scanResult List"); |
| return Collections.emptyMap(); |
| } |
| return mWifiThreadRunner.call( |
| () -> mPasspointManager.getAllMatchingPasspointProfilesForScanResults(scanResults), |
| Collections.emptyMap()); |
| } |
| |
| /** |
| * Returns list of OSU (Online Sign-Up) providers associated with the given list of ScanResult. |
| * |
| * @param scanResults a list of ScanResult that has Passpoint APs. |
| * @return Map that consists of {@link OsuProvider} and a matching list of {@link ScanResult}. |
| */ |
| @Override |
| public Map<OsuProvider, List<ScanResult>> getMatchingOsuProviders( |
| List<ScanResult> scanResults) { |
| if (!isSettingsOrSuw(Binder.getCallingPid(), Binder.getCallingUid())) { |
| throw new SecurityException(TAG + ": Permission denied"); |
| } |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("getMatchingOsuProviders uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| |
| if (!ScanResultUtil.validateScanResultList(scanResults)) { |
| Log.w(TAG, "Attempt to retrieve OsuProviders with invalid scanResult List"); |
| return Collections.emptyMap(); |
| } |
| return mWifiThreadRunner.call( |
| () -> mPasspointManager.getMatchingOsuProviders(scanResults), Collections.emptyMap()); |
| } |
| |
| /** |
| * Returns the matching Passpoint configurations for given OSU(Online Sign-Up) providers. |
| * |
| * @param osuProviders a list of {@link OsuProvider} |
| * @return Map that consists of {@link OsuProvider} and matching {@link PasspointConfiguration}. |
| */ |
| @Override |
| public Map<OsuProvider, PasspointConfiguration> getMatchingPasspointConfigsForOsuProviders( |
| List<OsuProvider> osuProviders) { |
| if (!isSettingsOrSuw(Binder.getCallingPid(), Binder.getCallingUid())) { |
| throw new SecurityException(TAG + ": Permission denied"); |
| } |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("getMatchingPasspointConfigsForOsuProviders uid=%").c( |
| Binder.getCallingUid()).flush(); |
| } |
| if (osuProviders == null) { |
| Log.e(TAG, "Attempt to retrieve Passpoint configuration with null osuProviders"); |
| return new HashMap<>(); |
| } |
| return mWifiThreadRunner.call( |
| () -> mPasspointManager.getMatchingPasspointConfigsForOsuProviders(osuProviders), |
| Collections.emptyMap()); |
| } |
| |
| /** |
| * Returns the corresponding wifi configurations for given FQDN (Fully Qualified Domain Name) |
| * list. |
| * |
| * An empty list will be returned when no match is found. |
| * |
| * @param fqdnList a list of FQDN |
| * @return List of {@link WifiConfiguration} converted from {@link PasspointProvider} |
| */ |
| @Override |
| public List<WifiConfiguration> getWifiConfigsForPasspointProfiles(List<String> fqdnList) { |
| if (!isSettingsOrSuw(Binder.getCallingPid(), Binder.getCallingUid())) { |
| throw new SecurityException(TAG + ": Permission denied"); |
| } |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("getWifiConfigsForPasspointProfiles uid=%").c( |
| Binder.getCallingUid()).flush(); |
| } |
| if (fqdnList == null) { |
| Log.e(TAG, "Attempt to retrieve WifiConfiguration with null fqdn List"); |
| return new ArrayList<>(); |
| } |
| return mWifiThreadRunner.call( |
| () -> mPasspointManager.getWifiConfigsForPasspointProfiles(fqdnList), |
| Collections.emptyList()); |
| } |
| |
| /** |
| * Returns a list of Wifi configurations for matched available WifiNetworkSuggestion |
| * corresponding to the given scan results. |
| * |
| * An empty list will be returned when no match is found or all matched suggestions is not |
| * available(not allow user manually connect, user not approved or open network). |
| * |
| * @param scanResults a list of {@link ScanResult}. |
| * @return a list of {@link WifiConfiguration} from matched {@link WifiNetworkSuggestion}. |
| */ |
| @Override |
| public List<WifiConfiguration> getWifiConfigForMatchedNetworkSuggestionsSharedWithUser( |
| List<ScanResult> scanResults) { |
| if (!isSettingsOrSuw(Binder.getCallingPid(), Binder.getCallingUid())) { |
| throw new SecurityException(TAG + ": Permission denied"); |
| } |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("getWifiConfigsForMatchedNetworkSuggestions uid=%").c( |
| Binder.getCallingUid()).flush(); |
| } |
| if (!ScanResultUtil.validateScanResultList(scanResults)) { |
| Log.w(TAG, "Attempt to retrieve WifiConfiguration with invalid scanResult List"); |
| return new ArrayList<>(); |
| } |
| return mWifiThreadRunner.call( |
| () -> mWifiNetworkSuggestionsManager |
| .getWifiConfigForMatchedNetworkSuggestionsSharedWithUser(scanResults), |
| Collections.emptyList()); |
| } |
| |
| /** |
| * see {@link WifiManager#addNetworkPrivileged(WifiConfiguration)} |
| * @return WifiManager.AddNetworkResult Object. |
| */ |
| @Override |
| public @NonNull WifiManager.AddNetworkResult addOrUpdateNetworkPrivileged( |
| WifiConfiguration config, String packageName) { |
| int pid = Binder.getCallingPid(); |
| int uid = Binder.getCallingUid(); |
| mWifiPermissionsUtil.checkPackage(uid, packageName); |
| boolean hasPermission = isPrivileged(pid, uid) |
| || isDeviceOrProfileOwner(uid, packageName) |
| || mWifiPermissionsUtil.isSystem(packageName, uid); |
| if (!hasPermission) { |
| throw new SecurityException("Caller is not a device owner, profile owner, system app," |
| + " or privileged app"); |
| } |
| return addOrUpdateNetworkInternal(config, packageName, uid); |
| } |
| |
| /** |
| * 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, String packageName) { |
| if (enforceChangePermission(packageName) != MODE_ALLOWED) { |
| return -1; |
| } |
| int callingUid = Binder.getCallingUid(); |
| if (!isTargetSdkLessThanQOrPrivileged( |
| packageName, Binder.getCallingPid(), callingUid)) { |
| mLog.info("addOrUpdateNetwork not allowed for uid=%") |
| .c(Binder.getCallingUid()).flush(); |
| return -1; |
| } |
| mLog.info("addOrUpdateNetwork uid=%").c(Binder.getCallingUid()).flush(); |
| return addOrUpdateNetworkInternal(config, packageName, callingUid).networkId; |
| } |
| |
| private @NonNull AddNetworkResult addOrUpdateNetworkInternal(WifiConfiguration config, |
| String packageName, int callingUid) { |
| if (config == null) { |
| Log.e(TAG, "bad network configuration"); |
| return new AddNetworkResult( |
| AddNetworkResult.STATUS_INVALID_CONFIGURATION, -1); |
| } |
| mWifiMetrics.incrementNumAddOrUpdateNetworkCalls(); |
| |
| // Previously, this API is overloaded for installing Passpoint profiles. Now |
| // that we have a dedicated API for doing it, redirect the call to the dedicated API. |
| if (config.isPasspoint()) { |
| PasspointConfiguration passpointConfig = |
| PasspointProvider.convertFromWifiConfig(config); |
| if (passpointConfig == null || passpointConfig.getCredential() == null) { |
| Log.e(TAG, "Missing credential for Passpoint profile"); |
| return new AddNetworkResult( |
| AddNetworkResult.STATUS_ADD_PASSPOINT_FAILURE, -1); |
| } |
| |
| // Copy over certificates and keys. |
| X509Certificate[] x509Certificates = null; |
| if (config.enterpriseConfig.getCaCertificate() != null) { |
| x509Certificates = |
| new X509Certificate[]{config.enterpriseConfig.getCaCertificate()}; |
| } |
| passpointConfig.getCredential().setCaCertificates(x509Certificates); |
| passpointConfig.getCredential().setClientCertificateChain( |
| config.enterpriseConfig.getClientCertificateChain()); |
| passpointConfig.getCredential().setClientPrivateKey( |
| config.enterpriseConfig.getClientPrivateKey()); |
| if (!addOrUpdatePasspointConfiguration(passpointConfig, packageName)) { |
| Log.e(TAG, "Failed to add Passpoint profile"); |
| return new AddNetworkResult( |
| AddNetworkResult.STATUS_ADD_PASSPOINT_FAILURE, -1); |
| } |
| // There is no network ID associated with a Passpoint profile. |
| return new AddNetworkResult(AddNetworkResult.STATUS_SUCCESS, 0); |
| } |
| |
| if (config.isEnterprise() && config.enterpriseConfig.isEapMethodServerCertUsed() |
| && !config.enterpriseConfig.isMandatoryParameterSetForServerCertValidation()) { |
| if (!(mContext.getResources().getBoolean( |
| R.bool.config_wifiAllowInsecureEnterpriseConfigurationsForSettingsAndSUW) |
| && isSettingsOrSuw(Binder.getCallingPid(), Binder.getCallingUid()))) { |
| Log.e(TAG, "Enterprise network configuration is missing either a Root CA " |
| + "or a domain name"); |
| return new AddNetworkResult( |
| AddNetworkResult.STATUS_INVALID_CONFIGURATION_ENTERPRISE, -1); |
| } |
| Log.w(TAG, "Insecure Enterprise network " + config.SSID |
| + " configured by Settings/SUW"); |
| } |
| |
| Log.i("addOrUpdateNetworkInternal", " uid = " + Binder.getCallingUid() |
| + " SSID " + config.SSID |
| + " nid=" + config.networkId); |
| // TODO: b/171981339, add more detailed failure reason into |
| // WifiConfigManager.NetworkUpdateResult, and plumb that reason up. |
| int networkId = mWifiThreadRunner.call( |
| () -> mWifiConfigManager.addOrUpdateNetwork(config, callingUid, packageName) |
| .getNetworkId(), |
| WifiConfiguration.INVALID_NETWORK_ID); |
| if (networkId >= 0) { |
| return new AddNetworkResult(AddNetworkResult.STATUS_SUCCESS, networkId); |
| } |
| return new AddNetworkResult( |
| AddNetworkResult.STATUS_ADD_WIFI_CONFIG_FAILURE, -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, String packageName) { |
| if (enforceChangePermission(packageName) != MODE_ALLOWED) { |
| return false; |
| } |
| if (!isTargetSdkLessThanQOrPrivileged( |
| packageName, Binder.getCallingPid(), Binder.getCallingUid())) { |
| mLog.info("removeNetwork not allowed for uid=%") |
| .c(Binder.getCallingUid()).flush(); |
| return false; |
| } |
| int callingUid = Binder.getCallingUid(); |
| mLog.info("removeNetwork uid=%").c(callingUid).flush(); |
| return mWifiThreadRunner.call( |
| () -> mWifiConfigManager.removeNetwork(netId, callingUid, packageName), false); |
| } |
| |
| @Override |
| public boolean removeNonCallerConfiguredNetworks(String packageName) { |
| if (enforceChangePermission(packageName) != MODE_ALLOWED) { |
| throw new SecurityException("Caller does not hold CHANGE_WIFI_STATE permission"); |
| } |
| final int callingUid = Binder.getCallingUid(); |
| if (!mWifiPermissionsUtil.isDeviceOwner(callingUid, packageName)) { |
| throw new SecurityException("Caller is not device owner"); |
| } |
| return mWifiThreadRunner.call( |
| () -> mWifiConfigManager.removeNonCallerConfiguredNetwork(callingUid), false); |
| } |
| |
| /** |
| * Trigger a connect request and wait for the callback to return status. |
| * This preserves the legacy connect API behavior, i.e. {@link WifiManager#enableNetwork( |
| * int, true)} |
| * @return |
| */ |
| private boolean triggerConnectAndReturnStatus(int netId, int callingUid) { |
| final CountDownLatch countDownLatch = new CountDownLatch(1); |
| final Mutable<Boolean> success = new Mutable<>(false); |
| IActionListener.Stub connectListener = new IActionListener.Stub() { |
| @Override |
| public void onSuccess() { |
| success.value = true; |
| countDownLatch.countDown(); |
| } |
| @Override |
| public void onFailure(int reason) { |
| success.value = false; |
| countDownLatch.countDown(); |
| } |
| }; |
| mWifiThreadRunner.post(() -> |
| mMakeBeforeBreakManager.stopAllSecondaryTransientClientModeManagers(() -> |
| mConnectHelper.connectToNetwork( |
| new NetworkUpdateResult(netId), |
| new ActionListenerWrapper(connectListener), |
| callingUid) |
| ) |
| ); |
| // now wait for response. |
| try { |
| countDownLatch.await(RUN_WITH_SCISSORS_TIMEOUT_MILLIS, TimeUnit.MILLISECONDS); |
| } catch (InterruptedException e) { |
| Log.e(TAG, "Failed to retrieve connect status"); |
| } |
| return success.value; |
| } |
| |
| /** |
| * 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, String packageName) { |
| if (enforceChangePermission(packageName) != MODE_ALLOWED) { |
| return false; |
| } |
| if (!isTargetSdkLessThanQOrPrivileged( |
| packageName, Binder.getCallingPid(), Binder.getCallingUid())) { |
| mLog.info("enableNetwork not allowed for uid=%") |
| .c(Binder.getCallingUid()).flush(); |
| return false; |
| } |
| int callingUid = Binder.getCallingUid(); |
| // TODO b/33807876 Log netId |
| mLog.info("enableNetwork uid=% disableOthers=%") |
| .c(callingUid) |
| .c(disableOthers).flush(); |
| |
| mWifiMetrics.incrementNumEnableNetworkCalls(); |
| if (disableOthers) { |
| return triggerConnectAndReturnStatus(netId, callingUid); |
| } else { |
| return mWifiThreadRunner.call( |
| () -> mWifiConfigManager.enableNetwork(netId, false, callingUid, packageName), |
| 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, String packageName) { |
| if (enforceChangePermission(packageName) != MODE_ALLOWED) { |
| return false; |
| } |
| if (!isTargetSdkLessThanQOrPrivileged( |
| packageName, Binder.getCallingPid(), Binder.getCallingUid())) { |
| mLog.info("disableNetwork not allowed for uid=%") |
| .c(Binder.getCallingUid()).flush(); |
| return false; |
| } |
| int callingUid = Binder.getCallingUid(); |
| mLog.info("disableNetwork uid=%").c(callingUid).flush(); |
| return mWifiThreadRunner.call( |
| () -> mWifiConfigManager.disableNetwork(netId, callingUid, packageName), false); |
| } |
| |
| /** |
| * See |
| * {@link android.net.wifi.WifiManager#startRestrictingAutoJoinToSubscriptionId(int)} |
| * @param subscriptionId the subscription ID of the carrier whose merged wifi networks won't be |
| * disabled. |
| */ |
| @Override |
| @RequiresApi(Build.VERSION_CODES.S) |
| public void startRestrictingAutoJoinToSubscriptionId(int subscriptionId) { |
| if (!SdkLevel.isAtLeastS()) { |
| throw new UnsupportedOperationException(); |
| } |
| if (!isSettingsOrSuw(Binder.getCallingPid(), Binder.getCallingUid())) { |
| throw new SecurityException(TAG + ": Permission denied"); |
| } |
| |
| mLog.info("startRestrictingAutoJoinToSubscriptionId=% uid=%").c(subscriptionId) |
| .c(Binder.getCallingUid()).flush(); |
| mWifiThreadRunner.post(() -> { |
| mWifiConfigManager |
| .startRestrictingAutoJoinToSubscriptionId(subscriptionId); |
| // Clear all cached candidates to avoid the imminent disconnect connecting back to a |
| // cached candidate that's likely no longer valid after |
| // startRestrictingAutoJoinToSubscriptionId is called. Let the disconnection trigger |
| // a new scan to ensure proper network selection is done. |
| mWifiConnectivityManager.clearCachedCandidates(); |
| // always disconnect here and rely on auto-join to find the appropriate carrier network |
| // to join. Even if we are currently connected to the carrier-merged wifi, it's still |
| // better to disconnect here because it's possible that carrier wifi offload is |
| // disabled. |
| mActiveModeWarden.getPrimaryClientModeManager().disconnect(); |
| }); |
| } |
| |
| /** |
| * See {@link android.net.wifi.WifiManager#stopRestrictingAutoJoinToSubscriptionId()} |
| */ |
| @Override |
| @RequiresApi(Build.VERSION_CODES.S) |
| public void stopRestrictingAutoJoinToSubscriptionId() { |
| if (!SdkLevel.isAtLeastS()) { |
| throw new UnsupportedOperationException(); |
| } |
| if (!isSettingsOrSuw(Binder.getCallingPid(), Binder.getCallingUid())) { |
| throw new SecurityException(TAG + ": Permission denied"); |
| } |
| |
| mLog.info("stopRestrictingAutoJoinToSubscriptionId uid=%") |
| .c(Binder.getCallingUid()).flush(); |
| mWifiThreadRunner.post(() -> |
| mWifiConfigManager.stopRestrictingAutoJoinToSubscriptionId()); |
| } |
| |
| /** |
| * See {@link android.net.wifi.WifiManager#allowAutojoinGlobal(boolean)} |
| * @param choice the OEM's choice to allow auto-join |
| */ |
| @Override |
| public void allowAutojoinGlobal(boolean choice) { |
| enforceNetworkSettingsPermission(); |
| |
| int callingUid = Binder.getCallingUid(); |
| mLog.info("allowAutojoinGlobal=% uid=%").c(choice).c(callingUid).flush(); |
| mWifiThreadRunner.post(() -> mWifiConnectivityManager.setAutoJoinEnabledExternal(choice)); |
| mLastCallerInfoManager.put(LastCallerInfoManager.AUTOJOIN_GLOBAL, Process.myTid(), |
| callingUid, Binder.getCallingPid(), "<unknown>", choice); |
| } |
| |
| /** |
| * See {@link android.net.wifi.WifiManager#allowAutojoin(int, boolean)} |
| * @param netId the integer that identifies the network configuration |
| * @param choice the user's choice to allow auto-join |
| */ |
| @Override |
| public void allowAutojoin(int netId, boolean choice) { |
| enforceNetworkSettingsPermission(); |
| |
| int callingUid = Binder.getCallingUid(); |
| mLog.info("allowAutojoin=% uid=%").c(choice).c(callingUid).flush(); |
| mWifiThreadRunner.post(() -> { |
| WifiConfiguration config = mWifiConfigManager.getConfiguredNetwork(netId); |
| if (config == null) { |
| return; |
| } |
| if (config.fromWifiNetworkSpecifier) { |
| Log.e(TAG, "Auto-join configuration is not permitted for NetworkSpecifier " |
| + "connections: " + config); |
| return; |
| } |
| if (config.isPasspoint() && !config.isEphemeral()) { |
| Log.e(TAG, |
| "Auto-join configuration for a non-ephemeral Passpoint network should be " |
| + "configured using FQDN: " |
| + config); |
| return; |
| } |
| // If the network is a suggestion, store the auto-join configure to the |
| // WifiNetWorkSuggestionsManager. |
| if (config.fromWifiNetworkSuggestion) { |
| if (!mWifiNetworkSuggestionsManager |
| .allowNetworkSuggestionAutojoin(config, choice)) { |
| return; |
| } |
| } |
| // even for Suggestion, modify the current ephemeral configuration so that |
| // existing configuration auto-connection is updated correctly |
| if (choice != config.allowAutojoin) { |
| mWifiConfigManager.allowAutojoin(netId, choice); |
| // do not log this metrics for passpoint networks again here since it's already |
| // logged in PasspointManager. |
| if (!config.isPasspoint()) { |
| mWifiMetrics.logUserActionEvent(choice |
| ? UserActionEvent.EVENT_CONFIGURE_AUTO_CONNECT_ON |
| : UserActionEvent.EVENT_CONFIGURE_AUTO_CONNECT_OFF, netId); |
| } |
| } |
| }); |
| } |
| |
| /** |
| * See {@link android.net.wifi.WifiManager#allowAutojoinPasspoint(String, boolean)} |
| * @param fqdn the FQDN that identifies the passpoint configuration |
| * @param enableAutojoin true to enable auto-join, false to disable |
| */ |
| @Override |
| public void allowAutojoinPasspoint(String fqdn, boolean enableAutojoin) { |
| enforceNetworkSettingsPermission(); |
| if (fqdn == null) { |
| throw new IllegalArgumentException("FQDN cannot be null"); |
| } |
| |
| int callingUid = Binder.getCallingUid(); |
| mLog.info("allowAutojoinPasspoint=% uid=%").c(enableAutojoin).c(callingUid).flush(); |
| mWifiThreadRunner.post( |
| () -> mPasspointManager.enableAutojoin(null, fqdn, enableAutojoin)); |
| } |
| |
| /** |
| * See {@link android.net.wifi.WifiManager |
| * #setMacRandomizationSettingPasspointEnabled(String, boolean)} |
| * @param fqdn the FQDN that identifies the passpoint configuration |
| * @param enable true to enable mac randomization, false to disable |
| */ |
| @Override |
| public void setMacRandomizationSettingPasspointEnabled(String fqdn, boolean enable) { |
| enforceNetworkSettingsPermission(); |
| if (fqdn == null) { |
| throw new IllegalArgumentException("FQDN cannot be null"); |
| } |
| |
| int callingUid = Binder.getCallingUid(); |
| mLog.info("setMacRandomizationSettingPasspointEnabled=% uid=%") |
| .c(enable).c(callingUid).flush(); |
| mWifiThreadRunner.post( |
| () -> mPasspointManager.enableMacRandomization(fqdn, enable)); |
| } |
| |
| /** |
| * See {@link android.net.wifi.WifiManager#setPasspointMeteredOverride(String, boolean)} |
| * @param fqdn the FQDN that identifies the passpoint configuration |
| * @param meteredOverride One of the values in {@link MeteredOverride} |
| */ |
| @Override |
| public void setPasspointMeteredOverride(String fqdn, int meteredOverride) { |
| enforceNetworkSettingsPermission(); |
| if (fqdn == null) { |
| throw new IllegalArgumentException("FQDN cannot be null"); |
| } |
| |
| int callingUid = Binder.getCallingUid(); |
| mLog.info("setPasspointMeteredOverride=% uid=%") |
| .c(meteredOverride).c(callingUid).flush(); |
| mWifiThreadRunner.post( |
| () -> mPasspointManager.setMeteredOverride(fqdn, meteredOverride)); |
| } |
| |
| /** |
| * Provides backward compatibility for apps using |
| * {@link WifiManager#getConnectionInfo()}, {@link WifiManager#getDhcpInfo()} when a |
| * secondary STA is created as a result of a request from their app (peer to peer |
| * WifiNetworkSpecifier request or oem paid/private suggestion). |
| */ |
| private ClientModeManager getClientModeManagerIfSecondaryCmmRequestedByCallerPresent( |
| int callingUid, @NonNull String callingPackageName) { |
| List<ConcreteClientModeManager> secondaryCmms = |
| mActiveModeWarden.getClientModeManagersInRoles( |
| ROLE_CLIENT_LOCAL_ONLY, ROLE_CLIENT_SECONDARY_LONG_LIVED); |
| for (ConcreteClientModeManager cmm : secondaryCmms) { |
| WorkSource reqWs = cmm.getRequestorWs(); |
| // If there are more than 1 secondary CMM for same app, return any one (should not |
| // happen currently since we don't support 3 STA's concurrently). |
| if (reqWs.equals(new WorkSource(callingUid, callingPackageName))) { |
| mLog.info("getConnectionInfo providing secondary CMM info").flush(); |
| return cmm; |
| } |
| } |
| // No secondary CMM's created for the app, return primary CMM. |
| return mActiveModeWarden.getPrimaryClientModeManager(); |
| } |
| |
| /** |
| * See {@link android.net.wifi.WifiManager#getConnectionInfo()} |
| * @return the Wi-Fi information, contained in {@link WifiInfo}. |
| */ |
| @Override |
| public WifiInfo getConnectionInfo(String callingPackage, String callingFeatureId) { |
| enforceAccessPermission(); |
| int uid = Binder.getCallingUid(); |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("getConnectionInfo uid=%").c(uid).flush(); |
| } |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| WifiInfo wifiInfo = mWifiThreadRunner.call( |
| () -> getClientModeManagerIfSecondaryCmmRequestedByCallerPresent( |
| uid, callingPackage) |
| .syncRequestConnectionInfo(), new WifiInfo()); |
| long redactions = wifiInfo.getApplicableRedactions(); |
| if (mWifiPermissionsUtil.checkLocalMacAddressPermission(uid)) { |
| if (isVerboseLoggingEnabled()) { |
| Log.v(TAG, "Clearing REDACT_FOR_LOCAL_MAC_ADDRESS for " + callingPackage |
| + "(uid=" + uid + ")"); |
| } |
| redactions &= ~NetworkCapabilities.REDACT_FOR_LOCAL_MAC_ADDRESS; |
| } |
| if (mWifiPermissionsUtil.checkNetworkSettingsPermission(uid)) { |
| if (isVerboseLoggingEnabled()) { |
| Log.v(TAG, "Clearing REDACT_FOR_NETWORK_SETTINGS for " + callingPackage |
| + "(uid=" + uid + ")"); |
| } |
| redactions &= ~NetworkCapabilities.REDACT_FOR_NETWORK_SETTINGS; |
| } |
| try { |
| if (isVerboseLoggingEnabled()) { |
| Log.v(TAG, "Clearing REDACT_FOR_ACCESS_FINE_LOCATION for " + callingPackage |
| + "(uid=" + uid + ")"); |
| } |
| mWifiPermissionsUtil.enforceCanAccessScanResults(callingPackage, callingFeatureId, |
| uid, null); |
| redactions &= ~NetworkCapabilities.REDACT_FOR_ACCESS_FINE_LOCATION; |
| } catch (SecurityException ignored) { |
| if (isVerboseLoggingEnabled()) { |
| Log.v(TAG, "Keeping REDACT_FOR_ACCESS_FINE_LOCATION:" + ignored); |
| } |
| } |
| return wifiInfo.makeCopy(redactions); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| /** |
| * 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, String callingFeatureId) { |
| enforceAccessPermission(); |
| int uid = Binder.getCallingUid(); |
| long ident = Binder.clearCallingIdentity(); |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("getScanResults uid=%").c(uid).flush(); |
| } |
| try { |
| mWifiPermissionsUtil.enforceCanAccessScanResults(callingPackage, callingFeatureId, |
| uid, null); |
| List<ScanResult> scanResults = mWifiThreadRunner.call( |
| mScanRequestProxy::getScanResults, Collections.emptyList()); |
| return scanResults; |
| } catch (SecurityException e) { |
| Log.w(TAG, "Permission violation - getScanResults not allowed for uid=" |
| + uid + ", packageName=" + callingPackage + ", reason=" + e); |
| return new ArrayList<>(); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } |
| |
| /** |
| * Return the filtered ScanResults which may be authenticated by the suggested network |
| * configurations. |
| * @return The map of {@link WifiNetworkSuggestion} and the list of {@link ScanResult} which |
| * may be authenticated by the corresponding network configuration. |
| */ |
| @Override |
| @NonNull |
| public Map<WifiNetworkSuggestion, List<ScanResult>> getMatchingScanResults( |
| @NonNull List<WifiNetworkSuggestion> networkSuggestions, |
| @Nullable List<ScanResult> scanResults, |
| String callingPackage, String callingFeatureId) { |
| enforceAccessPermission(); |
| int uid = Binder.getCallingUid(); |
| long ident = Binder.clearCallingIdentity(); |
| try { |
| mWifiPermissionsUtil.enforceCanAccessScanResults(callingPackage, callingFeatureId, |
| uid, null); |
| |
| return mWifiThreadRunner.call( |
| () -> { |
| if (!ScanResultUtil.validateScanResultList(scanResults)) { |
| return mWifiNetworkSuggestionsManager.getMatchingScanResults( |
| networkSuggestions, mScanRequestProxy.getScanResults()); |
| } else { |
| return mWifiNetworkSuggestionsManager.getMatchingScanResults( |
| networkSuggestions, scanResults); |
| } |
| }, |
| Collections.emptyMap()); |
| } catch (SecurityException e) { |
| Log.w(TAG, "Permission violation - getMatchingScanResults not allowed for uid=" |
| + uid + ", packageName=" + callingPackage + ", reason + e"); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| |
| return Collections.emptyMap(); |
| } |
| |
| /** |
| * 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, String packageName) { |
| if (enforceChangePermission(packageName) != MODE_ALLOWED) { |
| return false; |
| } |
| int callingUid = Binder.getCallingUid(); |
| if (!isTargetSdkLessThanROrPrivileged( |
| packageName, Binder.getCallingPid(), callingUid)) { |
| mLog.info("addOrUpdatePasspointConfiguration not allowed for uid=%") |
| .c(Binder.getCallingUid()).flush(); |
| return false; |
| } |
| mLog.info("addorUpdatePasspointConfiguration uid=%").c(callingUid).flush(); |
| return mWifiThreadRunner.call( |
| () -> mPasspointManager.addOrUpdateProvider(config, callingUid, packageName, |
| false, true), false); |
| } |
| |
| /** |
| * 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, String packageName) { |
| return removePasspointConfigurationInternal(fqdn, null); |
| } |
| |
| /** |
| * Remove a Passpoint profile based on either FQDN (multiple matching profiles) or a unique |
| * identifier (one matching profile). |
| * |
| * @param fqdn The FQDN of the Passpoint configuration to be removed |
| * @param uniqueId The unique identifier of the Passpoint configuration to be removed |
| * @return true on success or false on failure |
| */ |
| private boolean removePasspointConfigurationInternal(String fqdn, String uniqueId) { |
| final int uid = Binder.getCallingUid(); |
| boolean privileged = false; |
| if (mWifiPermissionsUtil.checkNetworkSettingsPermission(uid) |
| || mWifiPermissionsUtil.checkNetworkCarrierProvisioningPermission(uid)) { |
| privileged = true; |
| } |
| mLog.info("removePasspointConfigurationInternal uid=%").c(Binder.getCallingUid()).flush(); |
| final boolean privilegedFinal = privileged; |
| return mWifiThreadRunner.call( |
| () -> mPasspointManager.removeProvider(uid, privilegedFinal, uniqueId, fqdn), |
| false); |
| } |
| |
| /** |
| * Return the list of the installed Passpoint configurations. |
| * |
| * An empty list will be returned when no configuration is installed. |
| * @param packageName String name of the calling package |
| * @return A list of {@link PasspointConfiguration}. |
| */ |
| @Override |
| public List<PasspointConfiguration> getPasspointConfigurations(String packageName) { |
| final int uid = Binder.getCallingUid(); |
| boolean privileged = false; |
| if (mWifiPermissionsUtil.checkNetworkSettingsPermission(uid) |
| || mWifiPermissionsUtil.checkNetworkSetupWizardPermission(uid)) { |
| privileged = true; |
| } |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("getPasspointConfigurations uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| final boolean privilegedFinal = privileged; |
| return mWifiThreadRunner.call( |
| () -> mPasspointManager.getProviderConfigs(uid, privilegedFinal), |
| Collections.emptyList()); |
| } |
| |
| /** |
| * 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.info("queryPasspointIcon uid=%").c(Binder.getCallingUid()).flush(); |
| mWifiThreadRunner.post(() -> { |
| mActiveModeWarden.getPrimaryClientModeManager().syncQueryPasspointIcon(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.info("matchProviderWithCurrentNetwork uid=%").c(Binder.getCallingUid()).flush(); |
| return 0; |
| } |
| |
| /** |
| * 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() { |
| enforceNetworkSettingsPermission(); |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("getCountryCode uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| return mCountryCode.getCountryCode(); |
| } |
| |
| /** |
| * Set the Wifi country code. This call will override the country code set by telephony. |
| * @param countryCode A 2-Character alphanumeric country code. |
| * |
| */ |
| @RequiresApi(Build.VERSION_CODES.S) |
| @Override |
| public void setOverrideCountryCode(@NonNull String countryCode) { |
| if (!SdkLevel.isAtLeastS()) { |
| throw new UnsupportedOperationException(); |
| } |
| mContext.enforceCallingOrSelfPermission( |
| Manifest.permission.MANAGE_WIFI_COUNTRY_CODE, "WifiService"); |
| if (!WifiCountryCode.isValid(countryCode)) { |
| throw new IllegalArgumentException("Country code must be a 2-Character alphanumeric" |
| + " code. But got countryCode " + countryCode |
| + " instead"); |
| } |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("setOverrideCountryCode uid=% countryCode=%") |
| .c(Binder.getCallingUid()).c(countryCode).flush(); |
| } |
| // Post operation to handler thread |
| mWifiThreadRunner.post(() -> mCountryCode.setOverrideCountryCode(countryCode)); |
| } |
| |
| /** |
| * Clear the country code previously set through setOverrideCountryCode method. |
| * |
| */ |
| @RequiresApi(Build.VERSION_CODES.S) |
| @Override |
| public void clearOverrideCountryCode() { |
| if (!SdkLevel.isAtLeastS()) { |
| throw new UnsupportedOperationException(); |
| } |
| mContext.enforceCallingOrSelfPermission( |
| Manifest.permission.MANAGE_WIFI_COUNTRY_CODE, "WifiService"); |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("clearCountryCode uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| // Post operation to handler thread |
| mWifiThreadRunner.post(() -> mCountryCode.clearOverrideCountryCode()); |
| } |
| |
| /** |
| * Change the default country code previously set from ro.boot.wificountrycode. |
| * @param countryCode A 2-Character alphanumeric country code. |
| * |
| */ |
| @RequiresApi(Build.VERSION_CODES.S) |
| @Override |
| public void setDefaultCountryCode(@NonNull String countryCode) { |
| if (!SdkLevel.isAtLeastS()) { |
| throw new UnsupportedOperationException(); |
| } |
| mContext.enforceCallingOrSelfPermission( |
| Manifest.permission.MANAGE_WIFI_COUNTRY_CODE, "WifiService"); |
| if (!WifiCountryCode.isValid(countryCode)) { |
| throw new IllegalArgumentException("Country code must be a 2-Character alphanumeric" |
| + " code. But got countryCode " + countryCode |
| + " instead"); |
| } |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("setDefaultCountryCode uid=% countryCode=%") |
| .c(Binder.getCallingUid()).c(countryCode).flush(); |
| } |
| // Post operation to handler thread |
| mWifiThreadRunner.post(() -> mCountryCode.setDefaultCountryCode(countryCode)); |
| } |
| |
| @Override |
| public boolean is24GHzBandSupported() { |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("is24GHzBandSupported uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| |
| return is24GhzBandSupportedInternal(); |
| } |
| |
| private boolean is24GhzBandSupportedInternal() { |
| if (mContext.getResources().getBoolean(R.bool.config_wifi24ghzSupport)) { |
| return true; |
| } |
| return mWifiThreadRunner.call( |
| () -> mWifiNative.getChannelsForBand(WifiScanner.WIFI_BAND_24_GHZ).length > 0, |
| false); |
| } |
| |
| |
| @Override |
| public boolean is5GHzBandSupported() { |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("is5GHzBandSupported uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| |
| return is5GhzBandSupportedInternal(); |
| } |
| |
| private boolean is5GhzBandSupportedInternal() { |
| if (mContext.getResources().getBoolean(R.bool.config_wifi5ghzSupport)) { |
| return true; |
| } |
| return mWifiThreadRunner.call( |
| () -> mWifiNative.getChannelsForBand(WifiScanner.WIFI_BAND_5_GHZ).length > 0, |
| false); |
| } |
| |
| @Override |
| public boolean is6GHzBandSupported() { |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("is6GHzBandSupported uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| |
| return is6GhzBandSupportedInternal(); |
| } |
| |
| private boolean is6GhzBandSupportedInternal() { |
| if (mContext.getResources().getBoolean(R.bool.config_wifi6ghzSupport)) { |
| return true; |
| } |
| return mWifiThreadRunner.call( |
| () -> mWifiNative.getChannelsForBand(WifiScanner.WIFI_BAND_6_GHZ).length > 0, |
| false); |
| } |
| |
| @Override |
| public boolean is60GHzBandSupported() { |
| if (!SdkLevel.isAtLeastS()) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("is60GHzBandSupported uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| |
| return is60GhzBandSupportedInternal(); |
| } |
| |
| private boolean is60GhzBandSupportedInternal() { |
| if (mContext.getResources().getBoolean(R.bool.config_wifi60ghzSupport)) { |
| return true; |
| } |
| return mWifiThreadRunner.call( |
| () -> mWifiNative.getChannelsForBand(WifiScanner.WIFI_BAND_60_GHZ).length > 0, |
| false); |
| } |
| |
| @Override |
| public boolean isWifiStandardSupported(@WifiStandard int standard) { |
| return mWifiThreadRunner.call( |
| () -> mActiveModeWarden.getPrimaryClientModeManager().isWifiStandardSupported( |
| standard), false); |
| } |
| |
| /** |
| * Return the DHCP-assigned addresses from the last successful DHCP request, |
| * if any. |
| * @return the DHCP information |
| * @deprecated |
| */ |
| @Override |
| public DhcpInfo getDhcpInfo(@NonNull String packageName) { |
| enforceAccessPermission(); |
| int callingUid = Binder.getCallingUid(); |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("getDhcpInfo uid=%").c(callingUid).flush(); |
| } |
| DhcpResultsParcelable dhcpResults = mWifiThreadRunner.call( |
| () -> getClientModeManagerIfSecondaryCmmRequestedByCallerPresent( |
| callingUid, packageName) |
| .syncGetDhcpResultsParcelable(), new DhcpResultsParcelable()); |
| |
| DhcpInfo info = new DhcpInfo(); |
| |
| if (dhcpResults.baseConfiguration != null) { |
| if (dhcpResults.baseConfiguration.getIpAddress() != null |
| && dhcpResults.baseConfiguration.getIpAddress().getAddress() |
| instanceof Inet4Address) { |
| info.ipAddress = Inet4AddressUtils.inet4AddressToIntHTL( |
| (Inet4Address) dhcpResults.baseConfiguration.getIpAddress().getAddress()); |
| } |
| |
| if (dhcpResults.baseConfiguration.getGateway() != null) { |
| info.gateway = Inet4AddressUtils.inet4AddressToIntHTL( |
| (Inet4Address) dhcpResults.baseConfiguration.getGateway()); |
| } |
| |
| int dnsFound = 0; |
| for (InetAddress dns : dhcpResults.baseConfiguration.getDnsServers()) { |
| if (dns instanceof Inet4Address) { |
| if (dnsFound == 0) { |
| info.dns1 = Inet4AddressUtils.inet4AddressToIntHTL((Inet4Address) dns); |
| } else { |
| info.dns2 = Inet4AddressUtils.inet4AddressToIntHTL((Inet4Address) dns); |
| } |
| if (++dnsFound > 1) break; |
| } |
| } |
| } |
| String serverAddress = dhcpResults.serverAddress; |
| if (serverAddress != null) { |
| InetAddress serverInetAddress = InetAddresses.parseNumericAddress(serverAddress); |
| info.serverAddress = |
| Inet4AddressUtils.inet4AddressToIntHTL((Inet4Address) serverInetAddress); |
| } |
| 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 |
| */ |
| |
| private static class TdlsTaskParams { |
| String mRemoteIpAddress; |
| boolean mEnable; |
| } |
| |
| private 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.mRemoteIpAddress.trim(); |
| boolean enable = param.mEnable; |
| |
| // Get MAC address of Remote IP |
| String macAddress = null; |
| |
| try (BufferedReader reader = new BufferedReader(new FileReader("/proc/net/arp"))) { |
| // Skip over the line bearing column titles |
| reader.readLine(); |
| |
| String line; |
| 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) { |
| Log.w(TAG, "Did not find remoteAddress {" + remoteIpAddress + "} in " |
| + "/proc/net/arp"); |
| } else { |
| enableTdlsWithMacAddress(macAddress, enable); |
| } |
| |
| } catch (FileNotFoundException e) { |
| Log.e(TAG, "Could not open /proc/net/arp to lookup mac address"); |
| } catch (IOException e) { |
| Log.e(TAG, "Could not read /proc/net/arp to lookup mac address"); |
| } |
| return 0; |
| } |
| } |
| |
| @Override |
| public void enableTdls(String remoteAddress, boolean enable) { |
| if (remoteAddress == null) { |
| throw new IllegalArgumentException("remoteAddress cannot be null"); |
| } |
| mLog.info("enableTdls uid=% enable=%").c(Binder.getCallingUid()).c(enable).flush(); |
| TdlsTaskParams params = new TdlsTaskParams(); |
| params.mRemoteIpAddress = remoteAddress; |
| params.mEnable = enable; |
| new TdlsTask().execute(params); |
| } |
| |
| |
| @Override |
| public void enableTdlsWithMacAddress(String remoteMacAddress, boolean enable) { |
| mLog.info("enableTdlsWithMacAddress uid=% enable=%") |
| .c(Binder.getCallingUid()) |
| .c(enable) |
| .flush(); |
| if (remoteMacAddress == null) { |
| throw new IllegalArgumentException("remoteMacAddress cannot be null"); |
| } |
| mWifiThreadRunner.post(() -> |
| mActiveModeWarden.getPrimaryClientModeManager().enableTdls( |
| remoteMacAddress, enable)); |
| } |
| |
| /** |
| * Temporarily disable a network, should be trigger when user disconnect a network |
| */ |
| @Override |
| public void disableEphemeralNetwork(String network, String packageName) { |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.CHANGE_WIFI_STATE, |
| "WifiService"); |
| if (!isPrivileged(Binder.getCallingPid(), Binder.getCallingUid())) { |
| mLog.info("disableEphemeralNetwork not allowed for uid=%") |
| .c(Binder.getCallingUid()).flush(); |
| return; |
| } |
| mLog.info("disableEphemeralNetwork uid=%").c(Binder.getCallingUid()).flush(); |
| mWifiThreadRunner.post(() -> mWifiConfigManager.userTemporarilyDisabledNetwork(network, |
| Binder.getCallingUid())); |
| } |
| |
| private void removeAppStateInternal(int uid, @NonNull String pkgName) { |
| ApplicationInfo ai = new ApplicationInfo(); |
| ai.packageName = pkgName; |
| ai.uid = uid; |
| mWifiConfigManager.removeNetworksForApp(ai); |
| mScanRequestProxy.clearScanRequestTimestampsForApp(pkgName, uid); |
| |
| // Remove all suggestions from the package. |
| mWifiNetworkSuggestionsManager.removeApp(pkgName); |
| mWifiInjector.getWifiNetworkFactory().removeUserApprovedAccessPointsForApp( |
| pkgName); |
| |
| // Remove all Passpoint profiles from package. |
| mWifiInjector.getPasspointManager().removePasspointProviderWithPackage( |
| pkgName); |
| } |
| |
| private void registerForBroadcasts() { |
| IntentFilter intentFilter = new IntentFilter(); |
| intentFilter.addAction(Intent.ACTION_PACKAGE_FULLY_REMOVED); |
| intentFilter.addAction(Intent.ACTION_PACKAGE_CHANGED); |
| intentFilter.addAction(Intent.ACTION_PACKAGE_REMOVED); |
| intentFilter.addDataScheme("package"); |
| mContext.registerReceiver( |
| new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); |
| Uri uri = intent.getData(); |
| if (uid == -1 || uri == null) { |
| Log.e(TAG, "Uid or Uri is missing for action:" + intent.getAction()); |
| return; |
| } |
| String pkgName = uri.getSchemeSpecificPart(); |
| PackageManager pm = context.getPackageManager(); |
| PackageInfo packageInfo = null; |
| try { |
| packageInfo = pm.getPackageInfo(pkgName, 0); |
| } catch (PackageManager.NameNotFoundException e) { |
| Log.w(TAG, "Couldn't get PackageInfo for package:" + pkgName); |
| } |
| // If package is not removed or disabled, just ignore. |
| if (packageInfo != null |
| && packageInfo.applicationInfo != null |
| && packageInfo.applicationInfo.enabled) { |
| return; |
| } |
| Log.d(TAG, "Remove settings for package:" + pkgName); |
| removeAppStateInternal(uid, pkgName); |
| } |
| }, |
| intentFilter, |
| null, |
| new Handler(mWifiHandlerThread.getLooper())); |
| } |
| |
| private void registerForCarrierConfigChange() { |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(CarrierConfigManager.ACTION_CARRIER_CONFIG_CHANGED); |
| mContext.registerReceiver( |
| new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| final int subId = SubscriptionManager.getActiveDataSubscriptionId(); |
| Log.d(TAG, "ACTION_CARRIER_CONFIG_CHANGED, active subId: " + subId); |
| mTetheredSoftApTracker |
| .updateSoftApCapabilityWhenCarrierConfigChanged(subId); |
| mActiveModeWarden.updateSoftApCapability( |
| mTetheredSoftApTracker.getSoftApCapability()); |
| } |
| }, |
| filter, |
| null, |
| new Handler(mWifiHandlerThread.getLooper())); |
| |
| WifiPhoneStateListener phoneStateListener = new WifiPhoneStateListener( |
| mWifiHandlerThread.getLooper()); |
| |
| mContext.getSystemService(TelephonyManager.class).listen( |
| phoneStateListener, PhoneStateListener.LISTEN_ACTIVE_DATA_SUBSCRIPTION_ID_CHANGE); |
| } |
| |
| @Override |
| public int handleShellCommand(@NonNull ParcelFileDescriptor in, |
| @NonNull ParcelFileDescriptor out, @NonNull ParcelFileDescriptor err, |
| @NonNull String[] args) { |
| WifiShellCommand shellCommand = new WifiShellCommand(mWifiInjector, this, mContext, |
| mWifiGlobals, mWifiThreadRunner); |
| return shellCommand.exec(this, in.getFileDescriptor(), out.getFileDescriptor(), |
| err.getFileDescriptor(), args); |
| } |
| |
| private void updateWifiMetrics() { |
| mWifiThreadRunner.run(() -> { |
| mWifiMetrics.updateSavedNetworks( |
| mWifiConfigManager.getSavedNetworks(Process.WIFI_UID)); |
| mActiveModeWarden.updateMetrics(); |
| mPasspointManager.updateMetrics(); |
| }); |
| boolean isEnhancedMacRandEnabled = mFrameworkFacade.getIntegerSetting(mContext, |
| WifiConfigManager.ENHANCED_MAC_RANDOMIZATION_FEATURE_FORCE_ENABLE_FLAG, 0) == 1 |
| ? true : false; |
| mWifiMetrics.setEnhancedMacRandomizationForceEnabled(isEnhancedMacRandEnabled); |
| mWifiMetrics.setIsScanningAlwaysEnabled( |
| mSettingsStore.isScanAlwaysAvailableToggleEnabled()); |
| mWifiMetrics.setVerboseLoggingEnabled(isVerboseLoggingEnabled()); |
| mWifiMetrics.setWifiWakeEnabled(mWifiInjector.getWakeupController().isEnabled()); |
| } |
| |
| @Override |
| protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) |
| != PERMISSION_GRANTED) { |
| pw.println("Permission Denial: can't dump WifiService from from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid()); |
| return; |
| } |
| if (args != null && args.length > 0 && WifiMetrics.PROTO_DUMP_ARG.equals(args[0])) { |
| // WifiMetrics proto bytes were requested. Dump only these. |
| updateWifiMetrics(); |
| mWifiMetrics.dump(fd, pw, args); |
| } else if (args != null && args.length > 0 && IpClientUtil.DUMP_ARG.equals(args[0])) { |
| // IpClient dump was requested. Pass it along and take no further action. |
| String[] ipClientArgs = new String[args.length - 1]; |
| System.arraycopy(args, 1, ipClientArgs, 0, ipClientArgs.length); |
| mActiveModeWarden.getPrimaryClientModeManager().dumpIpClient(fd, pw, ipClientArgs); |
| } else if (args != null && args.length > 0 && WifiScoreReport.DUMP_ARG.equals(args[0])) { |
| mActiveModeWarden.getPrimaryClientModeManager().dumpWifiScoreReport(fd, pw, args); |
| } else if (args != null && args.length > 0 && WifiScoreCard.DUMP_ARG.equals(args[0])) { |
| WifiScoreCard wifiScoreCard = mWifiInjector.getWifiScoreCard(); |
| String networkListBase64 = mWifiThreadRunner.call(() -> |
| wifiScoreCard.getNetworkListBase64(true), ""); |
| pw.println(networkListBase64); |
| } else { |
| pw.println("Verbose logging is " + (isVerboseLoggingEnabled() ? "on" : "off")); |
| pw.println("Stay-awake conditions: " + |
| mFacade.getIntegerSetting(mContext, |
| Settings.Global.STAY_ON_WHILE_PLUGGED_IN, 0)); |
| pw.println("mInIdleMode " + mInIdleMode); |
| pw.println("mScanPending " + mScanPending); |
| pw.println("SettingsStore:"); |
| mSettingsStore.dump(fd, pw, args); |
| mActiveModeWarden.dump(fd, pw, args); |
| mMakeBeforeBreakManager.dump(fd, pw, args); |
| pw.println(); |
| mWifiTrafficPoller.dump(fd, pw, args); |
| pw.println(); |
| pw.println("Locks held:"); |
| mWifiLockManager.dump(pw); |
| pw.println(); |
| mWifiMulticastLockManager.dump(pw); |
| pw.println(); |
| WifiScoreCard wifiScoreCard = mWifiInjector.getWifiScoreCard(); |
| String networkListBase64 = mWifiThreadRunner.call(() -> |
| wifiScoreCard.getNetworkListBase64(true), ""); |
| pw.println("WifiScoreCard:"); |
| pw.println(networkListBase64); |
| |
| updateWifiMetrics(); |
| mWifiMetrics.dump(fd, pw, args); |
| |
| pw.println(); |
| mWifiThreadRunner.run(() -> mWifiNetworkSuggestionsManager.dump(fd, pw, args)); |
| pw.println(); |
| mWifiBackupRestore.dump(fd, pw, args); |
| pw.println(); |
| pw.println("ScoringParams: " + mWifiInjector.getScoringParams()); |
| pw.println(); |
| mWifiThreadRunner.run(() -> { |
| mWifiInjector.getWifiNetworkScoreCache().dumpWithLatestScanResults( |
| fd, pw, args, mScanRequestProxy.getScanResults()); |
| mWifiInjector.getSettingsConfigStore().dump(fd, pw, args); |
| }); |
| pw.println(); |
| mCountryCode.dump(fd, pw, args); |
| mWifiInjector.getWifiNetworkFactory().dump(fd, pw, args); |
| mWifiInjector.getUntrustedWifiNetworkFactory().dump(fd, pw, args); |
| mWifiInjector.getOemWifiNetworkFactory().dump(fd, pw, args); |
| pw.println("Wlan Wake Reasons:" + mWifiNative.getWlanWakeReasonCount()); |
| pw.println(); |
| mWifiConfigManager.dump(fd, pw, args); |
| pw.println(); |
| mPasspointManager.dump(pw); |
| pw.println(); |
| mWifiInjector.getWifiDiagnostics().captureBugReportData( |
| WifiDiagnostics.REPORT_REASON_USER_ACTION); |
| mWifiInjector.getWifiDiagnostics().dump(fd, pw, args); |
| mWifiConnectivityManager.dump(fd, pw, args); |
| mWifiThreadRunner.run(() -> { |
| mWifiHealthMonitor.dump(fd, pw, args); |
| }); |
| mWifiThreadRunner.run(() -> { |
| mWifiScoreCard.dump(fd, pw, args); |
| }); |
| mWifiInjector.getWakeupController().dump(fd, pw, args); |
| mWifiInjector.getWifiLastResortWatchdog().dump(fd, pw, args); |
| mWifiInjector.getAdaptiveConnectivityEnabledSettingObserver().dump(fd, pw, args); |
| mWifiInjector.getWifiGlobals().dump(fd, pw, args); |
| mWifiInjector.getSarManager().dump(fd, pw, args); |
| pw.println(); |
| mLastCallerInfoManager.dump(pw); |
| pw.println(); |
| mWifiInjector.getLinkProbeManager().dump(fd, pw, args); |
| } |
| } |
| |
| @Override |
| public boolean acquireWifiLock(IBinder binder, int lockMode, String tag, WorkSource ws) { |
| mLog.info("acquireWifiLock uid=% lockMode=%") |
| .c(Binder.getCallingUid()) |
| .c(lockMode).flush(); |
| |
| // Check on permission to make this call |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WAKE_LOCK, null); |
| |
| // If no UID is provided in worksource, use the calling UID |
| WorkSource updatedWs = (ws == null || ws.isEmpty()) |
| ? new WorkSource(Binder.getCallingUid()) : ws; |
| |
| if (!WifiLockManager.isValidLockMode(lockMode)) { |
| throw new IllegalArgumentException("lockMode =" + lockMode); |
| } |
| |
| return mWifiThreadRunner.call(() -> |
| mWifiLockManager.acquireWifiLock(lockMode, tag, binder, updatedWs), false); |
| } |
| |
| @Override |
| public void updateWifiLockWorkSource(IBinder binder, WorkSource ws) { |
| mLog.info("updateWifiLockWorkSource uid=%").c(Binder.getCallingUid()).flush(); |
| |
| // Check on permission to make this call |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.UPDATE_DEVICE_STATS, null); |
| |
| // If no UID is provided in worksource, use the calling UID |
| WorkSource updatedWs = (ws == null || ws.isEmpty()) |
| ? new WorkSource(Binder.getCallingUid()) : ws; |
| |
| mWifiThreadRunner.run(() -> |
| mWifiLockManager.updateWifiLockWorkSource(binder, updatedWs)); |
| } |
| |
| @Override |
| public boolean releaseWifiLock(IBinder binder) { |
| mLog.info("releaseWifiLock uid=%").c(Binder.getCallingUid()).flush(); |
| |
| // Check on permission to make this call |
| mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WAKE_LOCK, null); |
| |
| return mWifiThreadRunner.call(() -> |
| mWifiLockManager.releaseWifiLock(binder), false); |
| } |
| |
| @Override |
| public void initializeMulticastFiltering() { |
| enforceMulticastChangePermission(); |
| mLog.info("initializeMulticastFiltering uid=%").c(Binder.getCallingUid()).flush(); |
| mWifiMulticastLockManager.initializeFiltering(); |
| } |
| |
| @Override |
| public void acquireMulticastLock(IBinder binder, String tag) { |
| enforceMulticastChangePermission(); |
| mLog.info("acquireMulticastLock uid=%").c(Binder.getCallingUid()).flush(); |
| mWifiMulticastLockManager.acquireLock(binder, tag); |
| } |
| |
| @Override |
| public void releaseMulticastLock(String tag) { |
| enforceMulticastChangePermission(); |
| mLog.info("releaseMulticastLock uid=%").c(Binder.getCallingUid()).flush(); |
| mWifiMulticastLockManager.releaseLock(tag); |
| } |
| |
| @Override |
| public boolean isMulticastEnabled() { |
| enforceAccessPermission(); |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("isMulticastEnabled uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| return mWifiMulticastLockManager.isMulticastEnabled(); |
| } |
| |
| @Override |
| public void enableVerboseLogging(int verbose) { |
| enforceAccessPermission(); |
| enforceNetworkSettingsPermission(); |
| mLog.info("enableVerboseLogging uid=% verbose=%") |
| .c(Binder.getCallingUid()) |
| .c(verbose).flush(); |
| boolean enabled = verbose > 0; |
| mWifiInjector.getSettingsConfigStore().put(WIFI_VERBOSE_LOGGING_ENABLED, enabled); |
| onVerboseLoggingStatusChanged(enabled); |
| enableVerboseLoggingInternal(verbose); |
| } |
| |
| private void onVerboseLoggingStatusChanged(boolean enabled) { |
| int itemCount = mRegisteredWifiLoggingStatusListeners.beginBroadcast(); |
| for (int i = 0; i < itemCount; i++) { |
| try { |
| mRegisteredWifiLoggingStatusListeners.getBroadcastItem(i) |
| .onStatusChanged(enabled); |
| } catch (RemoteException e) { |
| Log.e(TAG, "onVerboseLoggingStatusChanged: RemoteException -- ", e); |
| } |
| |
| } |
| mRegisteredWifiLoggingStatusListeners.finishBroadcast(); |
| } |
| |
| private boolean isVerboseLoggingEnabled() { |
| return WifiManager.VERBOSE_LOGGING_LEVEL_DISABLED != mVerboseLoggingLevel; |
| } |
| |
| private void enableVerboseLoggingInternal(int verbose) { |
| if (verbose > WifiManager.VERBOSE_LOGGING_LEVEL_ENABLED |
| && mBuildProperties.isUserBuild()) { |
| throw new SecurityException(TAG + ": Not allowed for the user build."); |
| } |
| mVerboseLoggingLevel = verbose; |
| |
| // Update wifi globals before sending the verbose logging change. |
| mWifiThreadRunner.removeCallbacks(mAutoDisableShowKeyVerboseLoggingModeRunnable); |
| if (WifiManager.VERBOSE_LOGGING_LEVEL_ENABLED_SHOW_KEY == mVerboseLoggingLevel) { |
| mWifiGlobals.setShowKeyVerboseLoggingModeEnabled(true); |
| mWifiThreadRunner.postDelayed(mAutoDisableShowKeyVerboseLoggingModeRunnable, |
| AUTO_DISABLE_SHOW_KEY_COUNTDOWN_MILLIS); |
| } else { |
| // Ensure the show key mode is disabled. |
| mWifiGlobals.setShowKeyVerboseLoggingModeEnabled(false); |
| } |
| |
| mActiveModeWarden.enableVerboseLogging(isVerboseLoggingEnabled()); |
| mWifiLockManager.enableVerboseLogging(verbose); |
| mWifiMulticastLockManager.enableVerboseLogging(verbose); |
| mWifiInjector.enableVerboseLogging(verbose); |
| mWifiInjector.getSarManager().enableVerboseLogging(verbose); |
| } |
| |
| @Override |
| public int getVerboseLoggingLevel() { |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("getVerboseLoggingLevel uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| return mVerboseLoggingLevel; |
| } |
| |
| private Runnable mAutoDisableShowKeyVerboseLoggingModeRunnable = new Runnable() { |
| @Override |
| public void run() { |
| // If still enabled, fallback to the regular verbose logging mode. |
| if (isVerboseLoggingEnabled()) { |
| enableVerboseLoggingInternal(WifiManager.VERBOSE_LOGGING_LEVEL_ENABLED); |
| } |
| } |
| }; |
| |
| @Override |
| public void factoryReset(String packageName) { |
| enforceNetworkSettingsPermission(); |
| if (enforceChangePermission(packageName) != MODE_ALLOWED) { |
| return; |
| } |
| mLog.info("factoryReset uid=%").c(Binder.getCallingUid()).flush(); |
| if (mUserManager.hasUserRestrictionForUser( |
| UserManager.DISALLOW_NETWORK_RESET, |
| UserHandle.getUserHandleForUid(Binder.getCallingUid()))) { |
| return; |
| } |
| if (!mUserManager.hasUserRestrictionForUser( |
| UserManager.DISALLOW_CONFIG_TETHERING, |
| UserHandle.getUserHandleForUid(Binder.getCallingUid()))) { |
| // Turn mobile hotspot off |
| stopSoftApInternal(WifiManager.IFACE_IP_MODE_UNSPECIFIED); |
| } |
| |
| if (mUserManager.hasUserRestrictionForUser( |
| UserManager.DISALLOW_CONFIG_WIFI, |
| UserHandle.getUserHandleForUid(Binder.getCallingUid()))) { |
| return; |
| } |
| // Delete all Wifi SSIDs |
| List<WifiConfiguration> networks = mWifiThreadRunner.call( |
| () -> mWifiConfigManager.getSavedNetworks(Process.WIFI_UID), |
| Collections.emptyList()); |
| for (WifiConfiguration network : networks) { |
| removeNetwork(network.networkId, packageName); |
| } |
| // Delete all Passpoint configurations |
| List<PasspointConfiguration> configs = mWifiThreadRunner.call( |
| () -> mPasspointManager.getProviderConfigs(Process.WIFI_UID /* ignored */, true), |
| Collections.emptyList()); |
| for (PasspointConfiguration config : configs) { |
| removePasspointConfigurationInternal(null, config.getUniqueId()); |
| } |
| mWifiThreadRunner.post(() -> { |
| mPasspointManager.clearAnqpRequestsAndFlushCache(); |
| mWifiConfigManager.clearUserTemporarilyDisabledList(); |
| mWifiConfigManager.removeAllEphemeralOrPasspointConfiguredNetworks(); |
| mWifiInjector.getWifiNetworkFactory().clear(); |
| mWifiNetworkSuggestionsManager.clear(); |
| mWifiInjector.getWifiScoreCard().clear(); |
| mWifiHealthMonitor.clear(); |
| mWifiCarrierInfoManager.clear(); |
| notifyFactoryReset(); |
| }); |
| } |
| |
| /** |
| * Notify the Factory Reset Event to application who may installed wifi configurations. |
| */ |
| private void notifyFactoryReset() { |
| Intent intent = new Intent(WifiManager.ACTION_NETWORK_SETTINGS_RESET); |
| |
| // Retrieve list of broadcast receivers for this broadcast & send them directed broadcasts |
| // to wake them up (if they're in background). |
| List<ResolveInfo> resolveInfos = |
| mContext.getPackageManager().queryBroadcastReceiversAsUser( |
| intent, 0, |
| UserHandle.of(mWifiInjector.getWifiPermissionsWrapper().getCurrentUser())); |
| if (resolveInfos == null || resolveInfos.isEmpty()) return; // No need to send broadcast. |
| |
| for (ResolveInfo resolveInfo : resolveInfos) { |
| Intent intentToSend = new Intent(intent); |
| intentToSend.setComponent(new ComponentName( |
| resolveInfo.activityInfo.applicationInfo.packageName, |
| resolveInfo.activityInfo.name)); |
| mContext.sendBroadcastAsUser(intentToSend, UserHandle.CURRENT, |
| android.Manifest.permission.NETWORK_CARRIER_PROVISIONING); |
| } |
| } |
| |
| @Override |
| public Network getCurrentNetwork() { |
| if (!isSettingsOrSuw(Binder.getCallingPid(), Binder.getCallingUid())) { |
| throw new SecurityException(TAG + ": Permission denied"); |
| } |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("getCurrentNetwork uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| return getPrimaryClientModeManagerBlockingThreadSafe().syncGetCurrentNetwork(); |
| } |
| |
| 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(); |
| } |
| |
| /** |
| * 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() { |
| enforceNetworkSettingsPermission(); |
| mLog.info("retrieveBackupData uid=%").c(Binder.getCallingUid()).flush(); |
| Log.d(TAG, "Retrieving backup data"); |
| List<WifiConfiguration> wifiConfigurations = mWifiThreadRunner.call( |
| () -> mWifiConfigManager.getConfiguredNetworksWithPasswords(), null); |
| byte[] backupData = |
| mWifiBackupRestore.retrieveBackupDataFromConfigurations(wifiConfigurations); |
| Log.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) { |
| Log.e(TAG, "Backup data parse failed"); |
| return; |
| } |
| int callingUid = Binder.getCallingUid(); |
| mWifiThreadRunner.run( |
| () -> { |
| for (WifiConfiguration configuration : configurations) { |
| int networkId = |
| mWifiConfigManager.addOrUpdateNetwork(configuration, callingUid) |
| .getNetworkId(); |
| if (networkId == WifiConfiguration.INVALID_NETWORK_ID) { |
| Log.e(TAG, "Restore network failed: " |
| + configuration.getProfileKey()); |
| continue; |
| } |
| // Enable all networks restored. |
| mWifiConfigManager.enableNetwork(networkId, false, callingUid, null); |
| // Restore auto-join param. |
| mWifiConfigManager.allowAutojoin(networkId, configuration.allowAutojoin); |
| } |
| }); |
| } |
| |
| /** |
| * Restore state from the backed up data. |
| * |
| * @param data Raw byte stream of the backed up data. |
| */ |
| @Override |
| public void restoreBackupData(byte[] data) { |
| enforceNetworkSettingsPermission(); |
| mLog.info("restoreBackupData uid=%").c(Binder.getCallingUid()).flush(); |
| Log.d(TAG, "Restoring backup data"); |
| List<WifiConfiguration> wifiConfigurations = |
| mWifiBackupRestore.retrieveConfigurationsFromBackupData(data); |
| restoreNetworks(wifiConfigurations); |
| Log.d(TAG, "Restored backup data"); |
| } |
| |
| /** |
| * Retrieve the soft ap config data to be backed to save current config data. |
| * |
| * @return Raw byte stream of the data to be backed up. |
| */ |
| @Override |
| public byte[] retrieveSoftApBackupData() { |
| enforceNetworkSettingsPermission(); |
| mLog.info("retrieveSoftApBackupData uid=%").c(Binder.getCallingUid()).flush(); |
| SoftApConfiguration config = mWifiThreadRunner.call(mWifiApConfigStore::getApConfiguration, |
| new SoftApConfiguration.Builder().build()); |
| byte[] backupData = |
| mSoftApBackupRestore.retrieveBackupDataFromSoftApConfiguration(config); |
| Log.d(TAG, "Retrieved soft ap backup data"); |
| return backupData; |
| } |
| |
| /** |
| * Restore soft ap config from the backed up data. |
| * |
| * @param data Raw byte stream of the backed up data. |
| * @return restored SoftApConfiguration or Null if data is invalid. |
| */ |
| @Override |
| public SoftApConfiguration restoreSoftApBackupData(byte[] data) { |
| enforceNetworkSettingsPermission(); |
| mLog.info("restoreSoftApBackupData uid=%").c(Binder.getCallingUid()).flush(); |
| SoftApConfiguration softApConfig = |
| mSoftApBackupRestore.retrieveSoftApConfigurationFromBackupData(data); |
| if (softApConfig != null) { |
| mWifiThreadRunner.post(() -> mWifiApConfigStore.setApConfiguration( |
| mWifiApConfigStore.resetToDefaultForUnsupportedConfig( |
| mWifiApConfigStore.upgradeSoftApConfiguration(softApConfig)))); |
| Log.d(TAG, "Restored soft ap backup data"); |
| } |
| return softApConfig; |
| } |
| |
| |
| /** |
| * 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) { |
| enforceNetworkSettingsPermission(); |
| mLog.trace("restoreSupplicantBackupData uid=%").c(Binder.getCallingUid()).flush(); |
| Log.d(TAG, "Restoring supplicant backup data"); |
| List<WifiConfiguration> wifiConfigurations = |
| mWifiBackupRestore.retrieveConfigurationsFromSupplicantBackupData( |
| supplicantData, ipConfigData); |
| restoreNetworks(wifiConfigurations); |
| Log.d(TAG, "Restored supplicant backup data"); |
| } |
| |
| /** |
| * Starts subscription provisioning with a provider. |
| * |
| * @param provider {@link OsuProvider} the provider to provision with |
| * @param callback {@link IProvisioningCallback} the callback object to inform status |
| */ |
| @Override |
| public void startSubscriptionProvisioning(OsuProvider provider, |
| IProvisioningCallback callback) { |
| if (provider == null) { |
| throw new IllegalArgumentException("Provider must not be null"); |
| } |
| if (callback == null) { |
| throw new IllegalArgumentException("Callback must not be null"); |
| } |
| if (!isSettingsOrSuw(Binder.getCallingPid(), Binder.getCallingUid())) { |
| throw new SecurityException(TAG + ": Permission denied"); |
| } |
| final int uid = Binder.getCallingUid(); |
| mLog.trace("startSubscriptionProvisioning uid=%").c(uid).flush(); |
| if (getPrimaryClientModeManagerBlockingThreadSafe() |
| .syncStartSubscriptionProvisioning(uid, provider, callback)) { |
| mLog.trace("Subscription provisioning started with %") |
| .c(provider.toString()).flush(); |
| } |
| } |
| |
| /** |
| * See |
| * {@link WifiManager#registerTrafficStateCallback(Executor, WifiManager.TrafficStateCallback)} |
| * |
| * @param callback Traffic State callback to register |
| * |
| * @throws SecurityException if the caller does not have permission to register a callback |
| * @throws RemoteException if remote exception happens |
| * @throws IllegalArgumentException if the arguments are null or invalid |
| */ |
| @Override |
| public void registerTrafficStateCallback(ITrafficStateCallback callback) { |
| // verify arguments |
| if (callback == null) { |
| throw new IllegalArgumentException("Callback must not be null"); |
| } |
| enforceNetworkSettingsPermission(); |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("registerTrafficStateCallback uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| // Post operation to handler thread |
| mWifiThreadRunner.post(() -> mWifiTrafficPoller.addCallback(callback)); |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#unregisterTrafficStateCallback( |
| * WifiManager.TrafficStateCallback)} |
| * |
| * @param callback Traffic State callback to unregister |
| * |
| * @throws SecurityException if the caller does not have permission to register a callback |
| */ |
| @Override |
| public void unregisterTrafficStateCallback(ITrafficStateCallback callback) { |
| enforceNetworkSettingsPermission(); |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("unregisterTrafficStateCallback uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| // Post operation to handler thread |
| mWifiThreadRunner.post(() -> mWifiTrafficPoller.removeCallback(callback)); |
| } |
| |
| private long getSupportedFeaturesInternal() { |
| long supportedFeatureSet = mWifiThreadRunner.call( |
| () -> mActiveModeWarden.getPrimaryClientModeManager().getSupportedFeatures(), |
| 0L); |
| // Mask the feature set against system properties. |
| boolean rttSupported = mContext.getPackageManager().hasSystemFeature( |
| PackageManager.FEATURE_WIFI_RTT); |
| if (!rttSupported) { |
| // flags filled in by vendor HAL, remove if overlay disables it. |
| supportedFeatureSet &= |
| ~(WifiManager.WIFI_FEATURE_D2D_RTT | WifiManager.WIFI_FEATURE_D2AP_RTT); |
| } |
| if (!mContext.getResources().getBoolean( |
| R.bool.config_wifi_p2p_mac_randomization_supported)) { |
| // flags filled in by vendor HAL, remove if overlay disables it. |
| supportedFeatureSet &= ~WifiManager.WIFI_FEATURE_P2P_RAND_MAC; |
| } |
| if (mContext.getResources().getBoolean( |
| R.bool.config_wifi_connected_mac_randomization_supported)) { |
| // no corresponding flags in vendor HAL, set if overlay enables it. |
| supportedFeatureSet |= WifiManager.WIFI_FEATURE_CONNECTED_RAND_MAC; |
| } |
| if (ApConfigUtil.isApMacRandomizationSupported(mContext)) { |
| // no corresponding flags in vendor HAL, set if overlay enables it. |
| supportedFeatureSet |= WifiManager.WIFI_FEATURE_AP_RAND_MAC; |
| } |
| if (SdkLevel.isAtLeastS()) { |
| if (ApConfigUtil.isBridgedModeSupported(mContext)) { |
| // The bridged mode requires the kernel network modules support. |
| // It doesn't relate the vendor HAL, set if overlay enables it. |
| supportedFeatureSet |= WifiManager.WIFI_FEATURE_BRIDGED_AP; |
| } |
| if (ApConfigUtil.isStaWithBridgedModeSupported(mContext)) { |
| // The bridged mode requires the kernel network modules support. |
| // It doesn't relate the vendor HAL, set if overlay enables it. |
| supportedFeatureSet |= WifiManager.WIFI_FEATURE_STA_BRIDGED_AP; |
| } |
| } |
| supportedFeatureSet |= mWifiThreadRunner.call( |
| () -> { |
| long concurrencyFeatureSet = 0L; |
| if (mActiveModeWarden.isStaApConcurrencySupported()) { |
| concurrencyFeatureSet |= WifiManager.WIFI_FEATURE_AP_STA; |
| } |
| if (mActiveModeWarden.isStaStaConcurrencySupportedForLocalOnlyConnections()) { |
| concurrencyFeatureSet |= WifiManager.WIFI_FEATURE_ADDITIONAL_STA_LOCAL_ONLY; |
| } |
| if (mActiveModeWarden.isStaStaConcurrencySupportedForMbb()) { |
| concurrencyFeatureSet |= WifiManager.WIFI_FEATURE_ADDITIONAL_STA_MBB; |
| } |
| if (mActiveModeWarden.isStaStaConcurrencySupportedForRestrictedConnections()) { |
| concurrencyFeatureSet |= WifiManager.WIFI_FEATURE_ADDITIONAL_STA_RESTRICTED; |
| } |
| return concurrencyFeatureSet; |
| }, 0L); |
| return supportedFeatureSet; |
| } |
| |
| private static boolean hasAutomotiveFeature(Context context) { |
| return context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_AUTOMOTIVE); |
| } |
| |
| /** |
| * See |
| * {@link WifiManager#registerNetworkRequestMatchCallback( |
| * Executor, WifiManager.NetworkRequestMatchCallback)} |
| * |
| * @param callback Network Request Match callback to register |
| * |
| * @throws SecurityException if the caller does not have permission to register a callback |
| * @throws RemoteException if remote exception happens |
| * @throws IllegalArgumentException if the arguments are null or invalid |
| */ |
| @Override |
| public void registerNetworkRequestMatchCallback(INetworkRequestMatchCallback callback) { |
| // verify arguments |
| if (callback == null) { |
| throw new IllegalArgumentException("Callback must not be null"); |
| } |
| enforceNetworkSettingsPermission(); |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("registerNetworkRequestMatchCallback uid=%") |
| .c(Binder.getCallingUid()).flush(); |
| } |
| // Post operation to handler thread |
| mWifiThreadRunner.post(() -> |
| mWifiInjector.getWifiNetworkFactory().addCallback(callback)); |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#unregisterNetworkRequestMatchCallback( |
| * WifiManager.NetworkRequestMatchCallback)} |
| * |
| * @param callback Network Request Match callback to unregister |
| * |
| * @throws SecurityException if the caller does not have permission to register a callback |
| */ |
| @Override |
| public void unregisterNetworkRequestMatchCallback(INetworkRequestMatchCallback callback) { |
| enforceNetworkSettingsPermission(); |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("unregisterNetworkRequestMatchCallback uid=%") |
| .c(Binder.getCallingUid()).flush(); |
| } |
| // Post operation to handler thread |
| mWifiThreadRunner.post(() -> |
| mWifiInjector.getWifiNetworkFactory().removeCallback(callback)); |
| } |
| |
| /** |
| * See {@link android.net.wifi.WifiManager#addNetworkSuggestions(List)} |
| * |
| * @param networkSuggestions List of network suggestions to be added. |
| * @param callingPackageName Package Name of the app adding the suggestions. |
| * @param callingFeatureId Feature in the calling package |
| * @throws SecurityException if the caller does not have permission. |
| * @return One of status codes from {@link WifiManager.NetworkSuggestionsStatusCode}. |
| */ |
| @Override |
| public int addNetworkSuggestions( |
| List<WifiNetworkSuggestion> networkSuggestions, String callingPackageName, |
| String callingFeatureId) { |
| if (enforceChangePermission(callingPackageName) != MODE_ALLOWED) { |
| return WifiManager.STATUS_NETWORK_SUGGESTIONS_ERROR_APP_DISALLOWED; |
| } |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("addNetworkSuggestions uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| int callingUid = Binder.getCallingUid(); |
| |
| int success = mWifiThreadRunner.call(() -> mWifiNetworkSuggestionsManager.add( |
| networkSuggestions, callingUid, callingPackageName, callingFeatureId), |
| WifiManager.STATUS_NETWORK_SUGGESTIONS_ERROR_INTERNAL); |
| if (success != WifiManager.STATUS_NETWORK_SUGGESTIONS_SUCCESS) { |
| Log.e(TAG, "Failed to add network suggestions"); |
| } |
| return success; |
| } |
| |
| /** |
| * See {@link android.net.wifi.WifiManager#removeNetworkSuggestions(List)} |
| * |
| * @param networkSuggestions List of network suggestions to be removed. |
| * @param callingPackageName Package Name of the app removing the suggestions. |
| * @throws SecurityException if the caller does not have permission. |
| * @return One of status codes from {@link WifiManager.NetworkSuggestionsStatusCode}. |
| */ |
| @Override |
| public int removeNetworkSuggestions( |
| List<WifiNetworkSuggestion> networkSuggestions, String callingPackageName) { |
| if (enforceChangePermission(callingPackageName) != MODE_ALLOWED) { |
| return WifiManager.STATUS_NETWORK_SUGGESTIONS_ERROR_APP_DISALLOWED; |
| } |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("removeNetworkSuggestions uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| int callingUid = Binder.getCallingUid(); |
| |
| int success = mWifiThreadRunner.call(() -> mWifiNetworkSuggestionsManager.remove( |
| networkSuggestions, callingUid, callingPackageName), |
| WifiManager.STATUS_NETWORK_SUGGESTIONS_ERROR_INTERNAL); |
| if (success != WifiManager.STATUS_NETWORK_SUGGESTIONS_SUCCESS) { |
| Log.e(TAG, "Failed to remove network suggestions"); |
| } |
| return success; |
| } |
| |
| /** |
| * See {@link android.net.wifi.WifiManager#getNetworkSuggestions()} |
| * @param callingPackageName Package Name of the app getting the suggestions. |
| * @return a list of network suggestions suggested by this app |
| */ |
| @Override |
| public List<WifiNetworkSuggestion> getNetworkSuggestions(String callingPackageName) { |
| int callingUid = Binder.getCallingUid(); |
| mAppOps.checkPackage(callingUid, callingPackageName); |
| enforceAccessPermission(); |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("getNetworkSuggestionList uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| return mWifiThreadRunner.call(() -> |
| mWifiNetworkSuggestionsManager.get(callingPackageName, callingUid), |
| Collections.emptyList()); |
| } |
| |
| /** |
| * Gets the factory Wi-Fi MAC addresses. |
| * @throws SecurityException if the caller does not have permission. |
| * @return Array of String representing Wi-Fi MAC addresses, or empty array if failed. |
| */ |
| @Override |
| public String[] getFactoryMacAddresses() { |
| final int uid = Binder.getCallingUid(); |
| if (!mWifiPermissionsUtil.checkNetworkSettingsPermission(uid)) { |
| throw new SecurityException("App not allowed to get Wi-Fi factory MAC address " |
| + "(uid = " + uid + ")"); |
| } |
| String result = mWifiThreadRunner.call( |
| () -> mActiveModeWarden.getPrimaryClientModeManager().getFactoryMacAddress(), |
| null); |
| // result can be empty array if either: WifiThreadRunner.call() timed out, or |
| // ClientModeImpl.getFactoryMacAddress() returned null. |
| // In this particular instance, we don't differentiate the two types of nulls. |
| if (result == null) { |
| return new String[0]; |
| } |
| return new String[]{result}; |
| } |
| |
| /** |
| * Sets the current device mobility state. |
| * @param state the new device mobility state |
| */ |
| @Override |
| public void setDeviceMobilityState(@DeviceMobilityState int state) { |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.WIFI_SET_DEVICE_MOBILITY_STATE, "WifiService"); |
| |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("setDeviceMobilityState uid=% state=%") |
| .c(Binder.getCallingUid()) |
| .c(state) |
| .flush(); |
| } |
| // Post operation to handler thread |
| mWifiThreadRunner.post(() -> { |
| mWifiConnectivityManager.setDeviceMobilityState(state); |
| mWifiHealthMonitor.setDeviceMobilityState(state); |
| mWifiDataStall.setDeviceMobilityState(state); |
| }); |
| } |
| |
| /** |
| * Proxy for the final native call of the parent class. Enables mocking of |
| * the function. |
| */ |
| public int getMockableCallingUid() { |
| return getCallingUid(); |
| } |
| |
| /** |
| * Start DPP in Configurator-Initiator role. The current device will initiate DPP bootstrapping |
| * with a peer, and send the SSID and password of the selected network. |
| * |
| * @param binder Caller's binder context |
| * @param packageName Package name of the calling app |
| * @param enrolleeUri URI of the Enrollee obtained externally (e.g. QR code scanning) |
| * @param selectedNetworkId Selected network ID to be sent to the peer |
| * @param netRole The network role of the enrollee |
| * @param callback Callback for status updates |
| */ |
| @Override |
| public void startDppAsConfiguratorInitiator(IBinder binder, @NonNull String packageName, |
| String enrolleeUri, int selectedNetworkId, int netRole, IDppCallback callback) { |
| // verify arguments |
| if (binder == null) { |
| throw new IllegalArgumentException("Binder must not be null"); |
| } |
| if (TextUtils.isEmpty(enrolleeUri)) { |
| throw new IllegalArgumentException("Enrollee URI must not be null or empty"); |
| } |
| if (selectedNetworkId < 0) { |
| throw new IllegalArgumentException("Selected network ID invalid"); |
| } |
| if (callback == null) { |
| throw new IllegalArgumentException("Callback must not be null"); |
| } |
| |
| final int uid = getMockableCallingUid(); |
| |
| int callingUid = Binder.getCallingUid(); |
| mAppOps.checkPackage(callingUid, packageName); |
| if (!isSettingsOrSuw(Binder.getCallingPid(), callingUid)) { |
| throw new SecurityException(TAG + ": Permission denied"); |
| } |
| // Stop MBB (if in progress) when DPP is initiated. Otherwise, DPP operation will fail |
| // when the previous primary iface is removed after MBB completion. |
| mWifiThreadRunner.post(() -> |
| mMakeBeforeBreakManager.stopAllSecondaryTransientClientModeManagers(() -> |
| mDppManager.startDppAsConfiguratorInitiator( |
| uid, packageName, |
| mActiveModeWarden.getPrimaryClientModeManager().getInterfaceName(), |
| binder, enrolleeUri, selectedNetworkId, netRole, callback))); |
| } |
| |
| /** |
| * Start DPP in Enrollee-Initiator role. The current device will initiate DPP bootstrapping |
| * with a peer, and receive the SSID and password from the peer configurator. |
| * |
| * @param binder Caller's binder context |
| * @param configuratorUri URI of the Configurator obtained externally (e.g. QR code scanning) |
| * @param callback Callback for status updates |
| */ |
| @Override |
| public void startDppAsEnrolleeInitiator(IBinder binder, String configuratorUri, |
| IDppCallback callback) { |
| // verify arguments |
| if (binder == null) { |
| throw new IllegalArgumentException("Binder must not be null"); |
| } |
| if (TextUtils.isEmpty(configuratorUri)) { |
| throw new IllegalArgumentException("Enrollee URI must not be null or empty"); |
| } |
| if (callback == null) { |
| throw new IllegalArgumentException("Callback must not be null"); |
| } |
| |
| final int uid = getMockableCallingUid(); |
| |
| if (!isSettingsOrSuw(Binder.getCallingPid(), Binder.getCallingUid())) { |
| throw new SecurityException(TAG + ": Permission denied"); |
| } |
| |
| // Stop MBB (if in progress) when DPP is initiated. Otherwise, DPP operation will fail |
| // when the previous primary iface is removed after MBB completion. |
| mWifiThreadRunner.post(() -> |
| mMakeBeforeBreakManager.stopAllSecondaryTransientClientModeManagers(() -> |
| mDppManager.startDppAsEnrolleeInitiator(uid, |
| mActiveModeWarden.getPrimaryClientModeManager().getInterfaceName(), |
| binder, configuratorUri, callback))); |
| } |
| |
| /** |
| * Start DPP in Enrollee-Responder role. The current device will generate the |
| * bootstrap code and wait for the peer device to start the DPP authentication process. |
| * |
| * @param binder Caller's binder context |
| * @param deviceInfo Device specific info to display in QR code(e.g. Easy_connect_demo) |
| * @param curve Elliptic curve cryptography type used to generate DPP public/private key pair. |
| * @param callback Callback for status updates |
| */ |
| @Override |
| @RequiresApi(Build.VERSION_CODES.S) |
| public void startDppAsEnrolleeResponder(IBinder binder, @Nullable String deviceInfo, |
| @WifiManager.EasyConnectCryptographyCurve int curve, IDppCallback callback) { |
| if (!SdkLevel.isAtLeastS()) { |
| throw new UnsupportedOperationException(); |
| } |
| // verify arguments |
| if (binder == null) { |
| throw new IllegalArgumentException("Binder must not be null"); |
| } |
| if (callback == null) { |
| throw new IllegalArgumentException("Callback must not be null"); |
| } |
| |
| final int uid = getMockableCallingUid(); |
| |
| if (!isSettingsOrSuw(Binder.getCallingPid(), Binder.getCallingUid())) { |
| throw new SecurityException(TAG + ": Permission denied"); |
| } |
| |
| if (deviceInfo != null) { |
| int deviceInfoLen = deviceInfo.length(); |
| if (deviceInfoLen > WifiManager.getEasyConnectMaxAllowedResponderDeviceInfoLength()) { |
| throw new IllegalArgumentException("Device info length: " + deviceInfoLen |
| + " must be less than " |
| + WifiManager.getEasyConnectMaxAllowedResponderDeviceInfoLength()); |
| } |
| char c; |
| for (int i = 0; i < deviceInfoLen; i++) { |
| c = deviceInfo.charAt(i); |
| if (c < '!' || c > '~' || c == ';') { |
| throw new IllegalArgumentException("Allowed Range of ASCII characters in" |
| + "deviceInfo - %x20-7E; semicolon and space are not allowed!" |
| + "Found c: " + c); |
| } |
| } |
| } |
| |
| // Stop MBB (if in progress) when DPP is initiated. Otherwise, DPP operation will fail |
| // when the previous primary iface is removed after MBB completion. |
| mWifiThreadRunner.post(() -> |
| mMakeBeforeBreakManager.stopAllSecondaryTransientClientModeManagers(() -> |
| mDppManager.startDppAsEnrolleeResponder(uid, |
| mActiveModeWarden.getPrimaryClientModeManager().getInterfaceName(), |
| binder, deviceInfo, curve, callback))); |
| } |
| |
| /** |
| * Stop or abort a current DPP session. |
| */ |
| @Override |
| public void stopDppSession() throws RemoteException { |
| if (!isSettingsOrSuw(Binder.getCallingPid(), Binder.getCallingUid())) { |
| throw new SecurityException(TAG + ": Permission denied"); |
| } |
| final int uid = getMockableCallingUid(); |
| |
| mWifiThreadRunner.post(() -> mDppManager.stopDppSession(uid)); |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#addWifiVerboseLoggingStatusChangedListener(Executor, |
| * WifiManager.WifiVerboseLoggingStatusChangedListener)} |
| * |
| * @param listener IWifiVerboseLoggingStatusChangedListener listener to add |
| * |
| * @throws SecurityException if the caller does not have permission to add a listener. |
| * @throws IllegalArgumentException if the argument is null. |
| */ |
| @Override |
| public void addWifiVerboseLoggingStatusChangedListener( |
| IWifiVerboseLoggingStatusChangedListener listener) { |
| if (listener == null) { |
| throw new IllegalArgumentException("Listener must not be null"); |
| } |
| enforceAccessPermission(); |
| // Post operation to handler thread |
| mWifiThreadRunner.post(() -> |
| mRegisteredWifiLoggingStatusListeners.register(listener)); |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#unregisterWifiVerboseLoggingStatusCallback |
| * (WifiManager.WifiVerboseLoggingStatusCallback)} |
| * |
| * @param listener the listener to be removed. |
| * |
| * @throws SecurityException if the caller does not have permission to add a listener. |
| * @throws IllegalArgumentException if the argument is null. |
| */ |
| @Override |
| public void removeWifiVerboseLoggingStatusChangedListener( |
| IWifiVerboseLoggingStatusChangedListener listener) { |
| if (listener == null) { |
| throw new IllegalArgumentException("Listener must not be null"); |
| } |
| enforceAccessPermission(); |
| // Post operation to handler thread |
| mWifiThreadRunner.post(() -> |
| mRegisteredWifiLoggingStatusListeners.unregister(listener)); |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#addOnWifiUsabilityStatsListener(Executor, |
| * WifiManager.OnWifiUsabilityStatsListener)} |
| * |
| * @param listener WifiUsabilityStatsEntry listener to add |
| * |
| * @throws SecurityException if the caller does not have permission to add a listener |
| * @throws RemoteException if remote exception happens |
| * @throws IllegalArgumentException if the arguments are null or invalid |
| */ |
| @Override |
| public void addOnWifiUsabilityStatsListener(IOnWifiUsabilityStatsListener listener) { |
| if (listener == null) { |
| throw new IllegalArgumentException("Listener must not be null"); |
| } |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.WIFI_UPDATE_USABILITY_STATS_SCORE, "WifiService"); |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("addOnWifiUsabilityStatsListener uid=%") |
| .c(Binder.getCallingUid()).flush(); |
| } |
| // Post operation to handler thread |
| mWifiThreadRunner.post(() -> |
| mWifiMetrics.addOnWifiUsabilityListener(listener)); |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#removeOnWifiUsabilityStatsListener |
| * (WifiManager.OnWifiUsabilityStatsListener)} |
| * |
| * @param listener listener to be removed. |
| * |
| * @throws SecurityException if the caller does not have permission to add a listener |
| */ |
| @Override |
| public void removeOnWifiUsabilityStatsListener(IOnWifiUsabilityStatsListener listener) { |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.WIFI_UPDATE_USABILITY_STATS_SCORE, "WifiService"); |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("removeOnWifiUsabilityStatsListener uid=%") |
| .c(Binder.getCallingUid()).flush(); |
| } |
| // Post operation to handler thread |
| mWifiThreadRunner.post(() -> |
| mWifiMetrics.removeOnWifiUsabilityListener(listener)); |
| } |
| |
| /** |
| * Updates the Wi-Fi usability score. |
| * @param seqNum Sequence number of the Wi-Fi usability score. |
| * @param score The Wi-Fi usability score. |
| * @param predictionHorizonSec Prediction horizon of the Wi-Fi usability score in second. |
| */ |
| @Override |
| public void updateWifiUsabilityScore(int seqNum, int score, int predictionHorizonSec) { |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.WIFI_UPDATE_USABILITY_STATS_SCORE, "WifiService"); |
| |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("updateWifiUsabilityScore uid=% seqNum=% score=% predictionHorizonSec=%") |
| .c(Binder.getCallingUid()) |
| .c(seqNum) |
| .c(score) |
| .c(predictionHorizonSec) |
| .flush(); |
| } |
| // Post operation to handler thread |
| mWifiThreadRunner.post(() -> { |
| String ifaceName = mActiveModeWarden.getPrimaryClientModeManager().getInterfaceName(); |
| mWifiMetrics.incrementWifiUsabilityScoreCount( |
| ifaceName, seqNum, score, predictionHorizonSec); |
| }); |
| } |
| |
| /** |
| * Notify interested parties if a wifi config has been changed. |
| * |
| * @param wifiCredentialEventType WIFI_CREDENTIAL_SAVED or WIFI_CREDENTIAL_FORGOT |
| * @param config Must have a WifiConfiguration object to succeed |
| */ |
| private void broadcastWifiCredentialChanged(int wifiCredentialEventType, |
| WifiConfiguration config) { |
| Intent intent = new Intent(WifiManager.WIFI_CREDENTIAL_CHANGED_ACTION); |
| if (config != null && config.SSID != null && mWifiPermissionsUtil.isLocationModeEnabled()) { |
| intent.putExtra(WifiManager.EXTRA_WIFI_CREDENTIAL_SSID, config.SSID); |
| } |
| intent.putExtra(WifiManager.EXTRA_WIFI_CREDENTIAL_EVENT_TYPE, |
| wifiCredentialEventType); |
| mContext.createContextAsUser(UserHandle.CURRENT, 0) |
| .sendBroadcastWithMultiplePermissions( |
| intent, |
| new String[]{ |
| android.Manifest.permission.RECEIVE_WIFI_CREDENTIAL_CHANGE, |
| android.Manifest.permission.ACCESS_FINE_LOCATION, |
| }); |
| } |
| |
| /** |
| * Connects to a network. |
| * |
| * If the supplied config is not null, then the netId argument will be ignored and the config |
| * will be saved (or updated if its networkId or profile key already exist) and connected to. |
| * |
| * If the supplied config is null, then the netId argument will be matched to a saved config to |
| * be connected to. |
| * |
| * @param config New or existing config to add/update and connect to |
| * @param netId Network ID of existing config to connect to if the supplied config is null |
| * @param callback Listener to notify action result |
| * |
| * see: {@link WifiManager#connect(WifiConfiguration, WifiManager.ActionListener)} |
| * {@link WifiManager#connect(int, WifiManager.ActionListener)} |
| */ |
| @Override |
| public void connect(WifiConfiguration config, int netId, @Nullable IActionListener callback) { |
| int uid = Binder.getCallingUid(); |
| if (!isPrivileged(Binder.getCallingPid(), uid)) { |
| throw new SecurityException(TAG + ": Permission denied"); |
| } |
| mLog.info("connect uid=%").c(uid).flush(); |
| mWifiThreadRunner.post(() -> { |
| ActionListenerWrapper wrapper = new ActionListenerWrapper(callback); |
| final NetworkUpdateResult result; |
| // if connecting using WifiConfiguration, save the network first |
| if (config != null) { |
| if (mWifiPermissionsUtil.checkNetworkSettingsPermission(uid)) { |
| mWifiMetrics.logUserActionEvent( |
| UserActionEvent.EVENT_ADD_OR_UPDATE_NETWORK, config.networkId); |
| } |
| result = mWifiConfigManager.addOrUpdateNetwork(config, uid); |
| if (!result.isSuccess()) { |
| Log.e(TAG, "connect adding/updating config=" + config + " failed"); |
| wrapper.sendFailure(WifiManager.ERROR); |
| return; |
| } |
| broadcastWifiCredentialChanged(WifiManager.WIFI_CREDENTIAL_SAVED, config); |
| } else { |
| if (mWifiPermissionsUtil.checkNetworkSettingsPermission(uid)) { |
| mWifiMetrics.logUserActionEvent(UserActionEvent.EVENT_MANUAL_CONNECT, netId); |
| } |
| result = new NetworkUpdateResult(netId); |
| } |
| WifiConfiguration configuration = mWifiConfigManager |
| .getConfiguredNetwork(result.getNetworkId()); |
| if (configuration == null) { |
| Log.e(TAG, "connect to Invalid network Id=" + netId); |
| wrapper.sendFailure(WifiManager.ERROR); |
| return; |
| } |
| if (configuration.enterpriseConfig != null |
| && configuration.enterpriseConfig.isAuthenticationSimBased()) { |
| int subId = mWifiCarrierInfoManager.getBestMatchSubscriptionId(configuration); |
| if (!mWifiCarrierInfoManager.isSimReady(subId)) { |
| Log.e(TAG, "connect to SIM-based config=" + configuration |
| + "while SIM is absent"); |
| wrapper.sendFailure(WifiManager.ERROR); |
| return; |
| } |
| if (mWifiCarrierInfoManager.requiresImsiEncryption(subId) |
| && !mWifiCarrierInfoManager.isImsiEncryptionInfoAvailable(subId)) { |
| Log.e(TAG, "Imsi protection required but not available for Network=" |
| + configuration); |
| wrapper.sendFailure(WifiManager.ERROR); |
| return; |
| } |
| } |
| |
| // Tear down secondary CMMs that are already connected to the same network to make |
| // sure the user's manual connection succeeds. |
| ScanResultMatchInfo targetMatchInfo = |
| ScanResultMatchInfo.fromWifiConfiguration(configuration); |
| for (ClientModeManager cmm : mActiveModeWarden.getClientModeManagers()) { |
| if (!cmm.isConnected()) { |
| continue; |
| } |
| ActiveModeManager.ClientRole role = cmm.getRole(); |
| if (role == ROLE_CLIENT_LOCAL_ONLY || role == ROLE_CLIENT_SECONDARY_LONG_LIVED) { |
| WifiConfiguration connectedConfig = cmm.getConnectedWifiConfiguration(); |
| if (connectedConfig == null) { |
| continue; |
| } |
| ScanResultMatchInfo connectedMatchInfo = |
| ScanResultMatchInfo.fromWifiConfiguration(connectedConfig); |
| if (targetMatchInfo.matchForNetworkSelection(connectedMatchInfo) == null) { |
| continue; |
| } |
| if (isVerboseLoggingEnabled()) { |
| Log.v(TAG, "Shutting down client mode manager to satisfy user " |
| + "connection: " + cmm); |
| } |
| cmm.stop(); |
| } |
| } |
| |
| mMakeBeforeBreakManager.stopAllSecondaryTransientClientModeManagers(() -> |
| mConnectHelper.connectToNetwork(result, wrapper, uid)); |
| }); |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#save(WifiConfiguration, |
| * WifiManager.ActionListener)} |
| */ |
| @Override |
| public void save(WifiConfiguration config, @Nullable IActionListener callback) { |
| int uid = Binder.getCallingUid(); |
| if (!isPrivileged(Binder.getCallingPid(), uid)) { |
| throw new SecurityException(TAG + ": Permission denied"); |
| } |
| mLog.info("save uid=%").c(uid).flush(); |
| mWifiThreadRunner.post(() -> { |
| ActionListenerWrapper wrapper = new ActionListenerWrapper(callback); |
| NetworkUpdateResult result = |
| mWifiConfigManager.updateBeforeSaveNetwork(config, uid); |
| if (result.isSuccess()) { |
| broadcastWifiCredentialChanged(WifiManager.WIFI_CREDENTIAL_SAVED, config); |
| mMakeBeforeBreakManager.stopAllSecondaryTransientClientModeManagers(() -> |
| mActiveModeWarden.getPrimaryClientModeManager() |
| .saveNetwork(result, wrapper, uid)); |
| if (mWifiPermissionsUtil.checkNetworkSettingsPermission(uid)) { |
| mWifiMetrics.logUserActionEvent( |
| UserActionEvent.EVENT_ADD_OR_UPDATE_NETWORK, config.networkId); |
| } |
| } else { |
| wrapper.sendFailure(WifiManager.ERROR); |
| } |
| }); |
| } |
| |
| /** |
| * see {@link android.net.wifi.WifiManager#forget(int, WifiManager.ActionListener)} |
| */ |
| @Override |
| public void forget(int netId, @Nullable IActionListener callback) { |
| int uid = Binder.getCallingUid(); |
| if (!isPrivileged(Binder.getCallingPid(), uid)) { |
| throw new SecurityException(TAG + ": Permission denied"); |
| } |
| mLog.info("forget uid=%").c(Binder.getCallingUid()).flush(); |
| if (mWifiPermissionsUtil.checkNetworkSettingsPermission(uid)) { |
| // It's important to log this metric before the actual forget executes because |
| // the netId becomes invalid after the forget operation. |
| mWifiMetrics.logUserActionEvent(UserActionEvent.EVENT_FORGET_WIFI, netId); |
| } |
| mWifiThreadRunner.post(() -> { |
| WifiConfiguration config = mWifiConfigManager.getConfiguredNetwork(netId); |
| boolean success = mWifiConfigManager.removeNetwork(netId, uid, null); |
| ActionListenerWrapper wrapper = new ActionListenerWrapper(callback); |
| if (success) { |
| wrapper.sendSuccess(); |
| broadcastWifiCredentialChanged(WifiManager.WIFI_CREDENTIAL_FORGOT, config); |
| } else { |
| Log.e(TAG, "Failed to remove network"); |
| wrapper.sendFailure(WifiManager.ERROR); |
| } |
| }); |
| } |
| |
| /** |
| * See {@link WifiManager#registerScanResultsCallback(WifiManager.ScanResultsCallback)} |
| */ |
| public void registerScanResultsCallback(@NonNull IScanResultsCallback callback) { |
| if (callback == null) { |
| throw new IllegalArgumentException("callback must not be null"); |
| } |
| enforceAccessPermission(); |
| |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("registerScanResultsCallback uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| mWifiThreadRunner.post(() -> { |
| if (!mWifiInjector.getScanRequestProxy().registerScanResultsCallback(callback)) { |
| Log.e(TAG, "registerScanResultsCallback: Failed to register callback"); |
| } |
| }); |
| } |
| |
| /** |
| * See {@link WifiManager#registerScanResultsCallback(WifiManager.ScanResultsCallback)} |
| */ |
| public void unregisterScanResultsCallback(@NonNull IScanResultsCallback callback) { |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("unregisterScanResultCallback uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| enforceAccessPermission(); |
| // post operation to handler thread |
| mWifiThreadRunner.post(() -> mWifiInjector.getScanRequestProxy() |
| .unregisterScanResultsCallback(callback)); |
| |
| } |
| |
| /** |
| * See {@link WifiManager#addSuggestionConnectionStatusListener(Executor, |
| * SuggestionConnectionStatusListener)} |
| */ |
| public void registerSuggestionConnectionStatusListener( |
| @NonNull ISuggestionConnectionStatusListener listener, String packageName, |
| @Nullable String featureId) { |
| if (listener == null) { |
| throw new IllegalArgumentException("listener must not be null"); |
| } |
| final int uid = Binder.getCallingUid(); |
| mWifiPermissionsUtil.checkPackage(uid, packageName); |
| enforceAccessPermission(); |
| enforceLocationPermission(packageName, featureId, uid); |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("registerSuggestionConnectionStatusListener uid=%").c(uid).flush(); |
| } |
| mWifiThreadRunner.post(() -> |
| mWifiNetworkSuggestionsManager |
| .registerSuggestionConnectionStatusListener(listener, packageName, uid)); |
| } |
| |
| /** |
| * See {@link WifiManager#removeSuggestionConnectionStatusListener( |
| * SuggestionConnectionStatusListener)} |
| */ |
| public void unregisterSuggestionConnectionStatusListener( |
| @NonNull ISuggestionConnectionStatusListener listener, String packageName) { |
| enforceAccessPermission(); |
| int uid = Binder.getCallingUid(); |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("unregisterSuggestionConnectionStatusListener uid=%") |
| .c(uid).flush(); |
| } |
| mWifiThreadRunner.post(() -> |
| mWifiNetworkSuggestionsManager |
| .unregisterSuggestionConnectionStatusListener(listener, packageName, uid)); |
| } |
| |
| @Override |
| public int calculateSignalLevel(int rssi) { |
| return RssiUtil.calculateSignalLevel(mContext, rssi); |
| } |
| |
| /** |
| * See {@link android.net.wifi.WifiManager#setWifiConnectedNetworkScorer(Executor, |
| * WifiManager.WifiConnectedNetworkScorer)} |
| * |
| * @param binder IBinder instance to allow cleanup if the app dies. |
| * @param scorer Wifi connected network scorer to set. |
| * @return true Scorer is set successfully. |
| * |
| * @throws RemoteException if remote exception happens |
| * @throws IllegalArgumentException if the arguments are null or invalid |
| */ |
| @Override |
| public boolean setWifiConnectedNetworkScorer(IBinder binder, |
| IWifiConnectedNetworkScorer scorer) { |
| if (binder == null) { |
| throw new IllegalArgumentException("Binder must not be null"); |
| } |
| if (scorer == null) { |
| throw new IllegalArgumentException("Scorer must not be null"); |
| } |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.WIFI_UPDATE_USABILITY_STATS_SCORE, "WifiService"); |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("setWifiConnectedNetworkScorer uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| // Post operation to handler thread |
| return mWifiThreadRunner.call( |
| () -> mActiveModeWarden.setWifiConnectedNetworkScorer(binder, scorer), false); |
| } |
| |
| /** |
| * See {@link WifiManager#clearWifiConnectedNetworkScorer()} |
| */ |
| @Override |
| public void clearWifiConnectedNetworkScorer() { |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.WIFI_UPDATE_USABILITY_STATS_SCORE, "WifiService"); |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("clearWifiConnectedNetworkScorer uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| // Post operation to handler thread |
| mWifiThreadRunner.post(() -> mActiveModeWarden.clearWifiConnectedNetworkScorer()); |
| } |
| |
| /** |
| * See {@link android.net.wifi.WifiManager#setScanThrottleEnabled(boolean)} |
| */ |
| @Override |
| public void setScanThrottleEnabled(boolean enable) { |
| enforceNetworkSettingsPermission(); |
| mLog.info("setScanThrottleEnabled uid=% verbose=%") |
| .c(Binder.getCallingUid()) |
| .c(enable).flush(); |
| mWifiThreadRunner.post(()-> mScanRequestProxy.setScanThrottleEnabled(enable)); |
| } |
| |
| /** |
| * See {@link android.net.wifi.WifiManager#isScanThrottleEnabled()} |
| */ |
| @Override |
| public boolean isScanThrottleEnabled() { |
| enforceAccessPermission(); |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("isScanThrottleEnabled uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| return mWifiThreadRunner.call(()-> mScanRequestProxy.isScanThrottleEnabled(), true); |
| } |
| |
| /** |
| * See {@link android.net.wifi.WifiManager#setAutoWakeupEnabled(boolean)} |
| */ |
| @Override |
| public void setAutoWakeupEnabled(boolean enable) { |
| enforceNetworkSettingsPermission(); |
| mLog.info("setWalkeupEnabled uid=% verbose=%") |
| .c(Binder.getCallingUid()) |
| .c(enable).flush(); |
| mWifiThreadRunner.post(()-> mWifiInjector.getWakeupController().setEnabled(enable)); |
| } |
| |
| /** |
| * See {@link android.net.wifi.WifiManager#isAutoWakeupEnabled()} |
| */ |
| @Override |
| public boolean isAutoWakeupEnabled() { |
| enforceAccessPermission(); |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("isAutoWakeupEnabled uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| return mWifiThreadRunner.call(()-> mWifiInjector.getWakeupController().isEnabled(), false); |
| } |
| |
| /** |
| * See {@link android.net.wifi.WifiManager#setCarrierNetworkOffloadEnabled(int, boolean, boolean)} |
| */ |
| @Override |
| public void setCarrierNetworkOffloadEnabled(int subscriptionId, boolean merged, |
| boolean enabled) { |
| if (!isSettingsOrSuw(Binder.getCallingPid(), Binder.getCallingUid())) { |
| throw new SecurityException(TAG + ": Permission denied"); |
| } |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("setCarrierNetworkOffloadEnabled uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| mWifiThreadRunner.post(() -> |
| mWifiCarrierInfoManager.setCarrierNetworkOffloadEnabled(subscriptionId, merged, enabled)); |
| } |
| |
| /** |
| * See {@link android.net.wifi.WifiManager#isCarrierNetworkOffloadEnabled(int, boolean)} |
| */ |
| @Override |
| public boolean isCarrierNetworkOffloadEnabled(int subId, boolean merged) { |
| enforceAccessPermission(); |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("isCarrierNetworkOffload uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| |
| return mWifiThreadRunner.call(()-> |
| mWifiCarrierInfoManager.isCarrierNetworkOffloadEnabled(subId, merged), true); |
| } |
| |
| /** |
| * See {@link android.net.wifi.WifiManager#addSuggestionUserApprovalStatusListener(Executor, |
| * WifiManager.SuggestionUserApprovalStatusListener)} |
| */ |
| @Override |
| public void addSuggestionUserApprovalStatusListener( |
| ISuggestionUserApprovalStatusListener listener, String packageName) { |
| if (listener == null) { |
| throw new NullPointerException("listener must not be null"); |
| } |
| final int uid = Binder.getCallingUid(); |
| enforceAccessPermission(); |
| long callingIdentity = Binder.clearCallingIdentity(); |
| try { |
| if (!mWifiPermissionsUtil.doesUidBelongToCurrentUserOrDeviceOwner(uid)) { |
| Log.e(TAG, "UID " + uid + " not visible to the current user"); |
| throw new SecurityException("UID " + uid + " not visible to the current user"); |
| } |
| } finally { |
| // restore calling identity |
| Binder.restoreCallingIdentity(callingIdentity); |
| } |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("addSuggestionUserApprovalStatusListener uid=%").c(uid).flush(); |
| } |
| mWifiThreadRunner.post(() -> mWifiNetworkSuggestionsManager |
| .addSuggestionUserApprovalStatusListener(listener, packageName, uid)); |
| } |
| |
| /** |
| * See {@link android.net.wifi.WifiManager#removeSuggestionUserApprovalStatusListener( |
| * WifiManager.SuggestionUserApprovalStatusListener)} |
| */ |
| @Override |
| public void removeSuggestionUserApprovalStatusListener( |
| ISuggestionUserApprovalStatusListener listener, String packageName) { |
| enforceAccessPermission(); |
| int uid = Binder.getCallingUid(); |
| long callingIdentity = Binder.clearCallingIdentity(); |
| try { |
| if (!mWifiPermissionsUtil.doesUidBelongToCurrentUserOrDeviceOwner(uid)) { |
| Log.e(TAG, "UID " + uid + " not visible to the current user"); |
| throw new SecurityException("UID " + uid + " not visible to the current user"); |
| } |
| } finally { |
| // restore calling identity |
| Binder.restoreCallingIdentity(callingIdentity); |
| } |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("removeSuggestionUserApprovalStatusListener uid=%") |
| .c(uid).flush(); |
| } |
| mWifiThreadRunner.post(() -> |
| mWifiNetworkSuggestionsManager |
| .removeSuggestionUserApprovalStatusListener(listener, packageName, uid)); |
| } |
| |
| /** |
| * See {@link android.net.wifi.WifiManager#setEmergencyScanRequestInProgress(boolean)}. |
| */ |
| @Override |
| public void setEmergencyScanRequestInProgress(boolean inProgress) { |
| enforceNetworkStackPermission(); |
| int uid = Binder.getCallingUid(); |
| mLog.info("setEmergencyScanRequestInProgress uid=%").c(uid).flush(); |
| mActiveModeWarden.setEmergencyScanRequestInProgress(inProgress); |
| } |
| |
| /** |
| * See {@link android.net.wifi.WifiManager#removeAppState(int, String)}. |
| */ |
| @Override |
| public void removeAppState(int targetAppUid, @NonNull String targetAppPackageName) { |
| enforceNetworkSettingsPermission(); |
| mLog.info("removeAppState uid=%").c(Binder.getCallingUid()).flush(); |
| |
| mWifiThreadRunner.post(() -> { |
| removeAppStateInternal(targetAppUid, targetAppPackageName); |
| }); |
| } |
| |
| /** |
| * See {@link android.net.wifi.WifiManager#setWifiScoringEnabled(boolean)}. |
| */ |
| @Override |
| public boolean setWifiScoringEnabled(boolean enabled) { |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.NETWORK_SETTINGS, "WifiService"); |
| // Post operation to handler thread |
| return mWifiThreadRunner.call( |
| () -> mSettingsStore.handleWifiScoringEnabled(enabled), false); |
| } |
| |
| @VisibleForTesting |
| static boolean isValidBandForGetUsableChannels(@WifiScanner.WifiBand int band) { |
| switch (band) { |
| case WifiScanner.WIFI_BAND_UNSPECIFIED: |
| case WifiScanner.WIFI_BAND_24_GHZ: |
| case WifiScanner.WIFI_BAND_5_GHZ_WITH_DFS: |
| case WifiScanner.WIFI_BAND_BOTH_WITH_DFS: |
| case WifiScanner.WIFI_BAND_6_GHZ: |
| case WifiScanner.WIFI_BAND_24_5_WITH_DFS_6_GHZ: |
| case WifiScanner.WIFI_BAND_60_GHZ: |
| case WifiScanner.WIFI_BAND_24_5_WITH_DFS_6_60_GHZ: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| /** |
| * See {@link android.net.wifi.WifiManager#getUsableChannels(int, int) and |
| * See {@link android.net.wifi.WifiManager#getAllowedChannels(int, int). |
| * |
| * @throws SecurityException if the caller does not have permission |
| * or IllegalArgumentException if the band is invalid for this method. |
| */ |
| @Override |
| public List<WifiAvailableChannel> getUsableChannels(@WifiScanner.WifiBand int band, |
| @WifiAvailableChannel.OpMode int mode, @WifiAvailableChannel.Filter int filter) { |
| // Location mode must be enabled |
| if (!mWifiPermissionsUtil.isLocationModeEnabled()) { |
| throw new SecurityException("Location mode is disabled for the device"); |
| } |
| final int uid = Binder.getCallingUid(); |
| if (isVerboseLoggingEnabled()) { |
| mLog.info("getUsableChannels uid=%").c(Binder.getCallingUid()).flush(); |
| } |
| if (!mWifiPermissionsUtil.checkCallersHardwareLocationPermission(uid)) { |
| throw new SecurityException("UID " + uid + " does not have location h/w permission"); |
| } |
| if (!isValidBandForGetUsableChannels(band)) { |
| throw new IllegalArgumentException("Unsupported band: " + band); |
| } |
| List<WifiAvailableChannel> channels = mWifiThreadRunner.call( |
| () -> mWifiNative.getUsableChannels(band, mode, filter), null); |
| if (channels == null) { |
| throw new UnsupportedOperationException(); |
| } |
| return channels; |
| } |
| |
| private void resetNotificationManager() { |
| mWifiInjector.getWifiNotificationManager().createNotificationChannels(); |
| mWifiInjector.getOpenNetworkNotifier().clearPendingNotification(false); |
| mWifiCarrierInfoManager.resetNotification(); |
| mWifiNetworkSuggestionsManager.resetNotification(); |
| mWifiInjector.getWakeupController().resetNotification(); |
| } |
| |
| /** |
| * See {@link android.net.wifi.WifiManager#flushPasspointAnqpCache()}. |
| */ |
| @Override |
| public void flushPasspointAnqpCache(@NonNull String packageName) { |
| mWifiPermissionsUtil.checkPackage(Binder.getCallingUid(), packageName); |
| |
| if (!isDeviceOrProfileOwner(Binder.getCallingUid(), packageName)) { |
| enforceAnyPermissionOf(android.Manifest.permission.NETWORK_SETTINGS, |
| android.Manifest.permission.NETWORK_MANAGED_PROVISIONING, |
| android.Manifest.permission.NETWORK_CARRIER_PROVISIONING); |
| } |
| mWifiThreadRunner.post(mPasspointManager::clearAnqpRequestsAndFlushCache); |
| } |
| } |