| /* |
| * 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.net.wifi.WifiManager.WIFI_STATE_DISABLED; |
| import static android.net.wifi.WifiManager.WIFI_STATE_DISABLING; |
| import static android.net.wifi.WifiManager.WIFI_STATE_ENABLED; |
| import static android.net.wifi.WifiManager.WIFI_STATE_ENABLING; |
| import static android.net.wifi.WifiManager.WIFI_STATE_UNKNOWN; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.app.ActivityManager; |
| import android.bluetooth.BluetoothAdapter; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageManager; |
| import android.database.ContentObserver; |
| import android.net.ConnectivityManager; |
| import android.net.DhcpResults; |
| import android.net.IpConfiguration; |
| import android.net.KeepalivePacketData; |
| import android.net.LinkProperties; |
| import android.net.MacAddress; |
| import android.net.MatchAllNetworkSpecifier; |
| import android.net.NattKeepalivePacketData; |
| import android.net.Network; |
| import android.net.NetworkAgent; |
| import android.net.NetworkCapabilities; |
| import android.net.NetworkInfo; |
| import android.net.NetworkInfo.DetailedState; |
| import android.net.NetworkMisc; |
| import android.net.NetworkUtils; |
| import android.net.RouteInfo; |
| import android.net.SocketKeepalive; |
| import android.net.SocketKeepalive.InvalidPacketException; |
| import android.net.StaticIpConfiguration; |
| import android.net.TcpKeepalivePacketData; |
| import android.net.ip.IIpClient; |
| import android.net.ip.IpClientCallbacks; |
| import android.net.ip.IpClientManager; |
| import android.net.shared.ProvisioningConfiguration; |
| import android.net.wifi.INetworkRequestMatchCallback; |
| import android.net.wifi.RssiPacketCountInfo; |
| import android.net.wifi.ScanResult; |
| import android.net.wifi.SupplicantState; |
| import android.net.wifi.WifiConfiguration; |
| import android.net.wifi.WifiEnterpriseConfig; |
| import android.net.wifi.WifiInfo; |
| import android.net.wifi.WifiManager; |
| import android.net.wifi.WifiManager.DeviceMobilityState; |
| import android.net.wifi.WifiNetworkAgentSpecifier; |
| import android.net.wifi.WifiSsid; |
| import android.net.wifi.hotspot2.IProvisioningCallback; |
| import android.net.wifi.hotspot2.OsuProvider; |
| import android.net.wifi.hotspot2.PasspointConfiguration; |
| import android.net.wifi.p2p.IWifiP2pManager; |
| import android.os.BatteryStats; |
| import android.os.Bundle; |
| import android.os.ConditionVariable; |
| import android.os.IBinder; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.os.Messenger; |
| import android.os.PowerManager; |
| import android.os.Process; |
| import android.os.RemoteException; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.os.WorkSource; |
| import android.provider.Settings; |
| import android.system.OsConstants; |
| import android.telephony.SubscriptionManager; |
| import android.telephony.TelephonyManager; |
| import android.text.TextUtils; |
| import android.util.Log; |
| import android.util.Pair; |
| import android.util.SparseArray; |
| import android.util.StatsLog; |
| |
| import com.android.internal.R; |
| import com.android.internal.annotations.GuardedBy; |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.internal.app.IBatteryStats; |
| import com.android.internal.util.AsyncChannel; |
| import com.android.internal.util.MessageUtils; |
| import com.android.internal.util.Protocol; |
| import com.android.internal.util.State; |
| import com.android.internal.util.StateMachine; |
| import com.android.server.wifi.hotspot2.AnqpEvent; |
| import com.android.server.wifi.hotspot2.IconEvent; |
| import com.android.server.wifi.hotspot2.NetworkDetail; |
| import com.android.server.wifi.hotspot2.PasspointManager; |
| import com.android.server.wifi.hotspot2.WnmData; |
| import com.android.server.wifi.nano.WifiMetricsProto; |
| import com.android.server.wifi.nano.WifiMetricsProto.StaEvent; |
| import com.android.server.wifi.nano.WifiMetricsProto.WifiIsUnusableEvent; |
| import com.android.server.wifi.nano.WifiMetricsProto.WifiUsabilityStats; |
| import com.android.server.wifi.p2p.WifiP2pServiceImpl; |
| import com.android.server.wifi.util.NativeUtil; |
| import com.android.server.wifi.util.TelephonyUtil; |
| import com.android.server.wifi.util.TelephonyUtil.SimAuthRequestData; |
| import com.android.server.wifi.util.TelephonyUtil.SimAuthResponseData; |
| import com.android.server.wifi.util.WifiPermissionsUtil; |
| import com.android.server.wifi.util.WifiPermissionsWrapper; |
| |
| 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.Inet6Address; |
| import java.net.InetAddress; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| /** |
| * Implementation of ClientMode. Event handling for Client mode logic is done here, |
| * and all changes in connectivity state are initiated here. |
| * |
| * @hide |
| */ |
| public class ClientModeImpl extends StateMachine { |
| |
| private static final String NETWORKTYPE = "WIFI"; |
| @VisibleForTesting public static final short NUM_LOG_RECS_NORMAL = 100; |
| @VisibleForTesting public static final short NUM_LOG_RECS_VERBOSE_LOW_MEMORY = 200; |
| @VisibleForTesting public static final short NUM_LOG_RECS_VERBOSE = 3000; |
| private static final String TAG = "WifiClientModeImpl"; |
| |
| private static final int ONE_HOUR_MILLI = 1000 * 60 * 60; |
| |
| private static final String GOOGLE_OUI = "DA-A1-19"; |
| |
| private static final String EXTRA_OSU_ICON_QUERY_BSSID = "BSSID"; |
| private static final String EXTRA_OSU_ICON_QUERY_FILENAME = "FILENAME"; |
| private static final String EXTRA_OSU_PROVIDER = "OsuProvider"; |
| private static final String EXTRA_UID = "uid"; |
| private static final String EXTRA_PACKAGE_NAME = "PackageName"; |
| private static final String EXTRA_PASSPOINT_CONFIGURATION = "PasspointConfiguration"; |
| private static final int IPCLIENT_TIMEOUT_MS = 10_000; |
| |
| private boolean mVerboseLoggingEnabled = false; |
| private final WifiPermissionsWrapper mWifiPermissionsWrapper; |
| |
| /* debug flag, indicating if handling of ASSOCIATION_REJECT ended up blacklisting |
| * the corresponding BSSID. |
| */ |
| private boolean mDidBlackListBSSID = false; |
| |
| /** |
| * Log with error attribute |
| * |
| * @param s is string log |
| */ |
| @Override |
| protected void loge(String s) { |
| Log.e(getName(), s); |
| } |
| @Override |
| protected void logd(String s) { |
| Log.d(getName(), s); |
| } |
| @Override |
| protected void log(String s) { |
| Log.d(getName(), s); |
| } |
| private final WifiMetrics mWifiMetrics; |
| private final WifiInjector mWifiInjector; |
| private final WifiMonitor mWifiMonitor; |
| private final WifiNative mWifiNative; |
| private final WifiPermissionsUtil mWifiPermissionsUtil; |
| private final WifiConfigManager mWifiConfigManager; |
| private final WifiConnectivityManager mWifiConnectivityManager; |
| private ConnectivityManager mCm; |
| private BaseWifiDiagnostics mWifiDiagnostics; |
| private final boolean mP2pSupported; |
| private final AtomicBoolean mP2pConnected = new AtomicBoolean(false); |
| private boolean mTemporarilyDisconnectWifi = false; |
| private final Clock mClock; |
| private final PropertyService mPropertyService; |
| private final BuildProperties mBuildProperties; |
| private final WifiCountryCode mCountryCode; |
| private final WifiScoreCard mWifiScoreCard; |
| private final WifiScoreReport mWifiScoreReport; |
| private final SarManager mSarManager; |
| private final WifiTrafficPoller mWifiTrafficPoller; |
| public WifiScoreReport getWifiScoreReport() { |
| return mWifiScoreReport; |
| } |
| private final PasspointManager mPasspointManager; |
| private final WifiDataStall mWifiDataStall; |
| private final LinkProbeManager mLinkProbeManager; |
| |
| private final McastLockManagerFilterController mMcastLockManagerFilterController; |
| |
| private boolean mScreenOn = false; |
| |
| private String mInterfaceName; |
| |
| private int mLastSignalLevel = -1; |
| private String mLastBssid; |
| private int mLastNetworkId; // The network Id we successfully joined |
| |
| private boolean mIpReachabilityDisconnectEnabled = true; |
| |
| private void processRssiThreshold(byte curRssi, int reason, |
| WifiNative.WifiRssiEventHandler rssiHandler) { |
| if (curRssi == Byte.MAX_VALUE || curRssi == Byte.MIN_VALUE) { |
| Log.wtf(TAG, "processRssiThreshold: Invalid rssi " + curRssi); |
| return; |
| } |
| for (int i = 0; i < mRssiRanges.length; i++) { |
| if (curRssi < mRssiRanges[i]) { |
| // Assume sorted values(ascending order) for rssi, |
| // bounded by high(127) and low(-128) at extremeties |
| byte maxRssi = mRssiRanges[i]; |
| byte minRssi = mRssiRanges[i - 1]; |
| // This value of hw has to be believed as this value is averaged and has breached |
| // the rssi thresholds and raised event to host. This would be eggregious if this |
| // value is invalid |
| mWifiInfo.setRssi(curRssi); |
| updateCapabilities(); |
| int ret = startRssiMonitoringOffload(maxRssi, minRssi, rssiHandler); |
| Log.d(TAG, "Re-program RSSI thresholds for " + getWhatToString(reason) |
| + ": [" + minRssi + ", " + maxRssi + "], curRssi=" + curRssi |
| + " ret=" + ret); |
| break; |
| } |
| } |
| } |
| |
| private boolean mEnableRssiPolling = false; |
| // Accessed via Binder thread ({get,set}PollRssiIntervalMsecs), and ClientModeImpl thread. |
| private volatile int mPollRssiIntervalMsecs = DEFAULT_POLL_RSSI_INTERVAL_MSECS; |
| private int mRssiPollToken = 0; |
| /* 3 operational states for STA operation: CONNECT_MODE, SCAN_ONLY_MODE, SCAN_ONLY_WIFI_OFF_MODE |
| * In CONNECT_MODE, the STA can scan and connect to an access point |
| * In SCAN_ONLY_MODE, the STA can only scan for access points |
| * In SCAN_ONLY_WIFI_OFF_MODE, the STA can only scan for access points with wifi toggle being off |
| */ |
| private int mOperationalMode = DISABLED_MODE; |
| |
| // variable indicating we are expecting a mode switch - do not attempt recovery for failures |
| private boolean mModeChange = false; |
| |
| private ClientModeManager.Listener mClientModeCallback = null; |
| |
| private boolean mBluetoothConnectionActive = false; |
| |
| private PowerManager.WakeLock mSuspendWakeLock; |
| |
| /** |
| * Interval in milliseconds between polling for RSSI and linkspeed information. |
| * This is also used as the polling interval for WifiTrafficPoller, which updates |
| * its data activity on every CMD_RSSI_POLL. |
| */ |
| private static final int DEFAULT_POLL_RSSI_INTERVAL_MSECS = 3000; |
| |
| /** |
| * Interval in milliseconds between receiving a disconnect event |
| * while connected to a good AP, and handling the disconnect proper |
| */ |
| private static final int LINK_FLAPPING_DEBOUNCE_MSEC = 4000; |
| |
| /** |
| * Delay between supplicant restarts upon failure to establish connection |
| */ |
| private static final int SUPPLICANT_RESTART_INTERVAL_MSECS = 5000; |
| |
| /** |
| * Number of times we attempt to restart supplicant |
| */ |
| private static final int SUPPLICANT_RESTART_TRIES = 5; |
| |
| /** |
| * Value to set in wpa_supplicant "bssid" field when we don't want to restrict connection to |
| * a specific AP. |
| */ |
| public static final String SUPPLICANT_BSSID_ANY = "any"; |
| |
| /** |
| * The link properties of the wifi interface. |
| * Do not modify this directly; use updateLinkProperties instead. |
| */ |
| private LinkProperties mLinkProperties; |
| |
| /* Tracks sequence number on a periodic scan message */ |
| private int mPeriodicScanToken = 0; |
| |
| // Wakelock held during wifi start/stop and driver load/unload |
| private PowerManager.WakeLock mWakeLock; |
| |
| private Context mContext; |
| |
| private final Object mDhcpResultsLock = new Object(); |
| private DhcpResults mDhcpResults; |
| |
| // NOTE: Do not return to clients - see syncRequestConnectionInfo() |
| private final ExtendedWifiInfo mWifiInfo; |
| private NetworkInfo mNetworkInfo; |
| private SupplicantStateTracker mSupplicantStateTracker; |
| |
| // Indicates that framework is attempting to roam, set true on CMD_START_ROAM, set false when |
| // wifi connects or fails to connect |
| private boolean mIsAutoRoaming = false; |
| |
| // Roaming failure count |
| private int mRoamFailCount = 0; |
| |
| // This is the BSSID we are trying to associate to, it can be set to SUPPLICANT_BSSID_ANY |
| // if we havent selected a BSSID for joining. |
| private String mTargetRoamBSSID = SUPPLICANT_BSSID_ANY; |
| // This one is used to track the current target network ID. This is used for error |
| // handling during connection setup since many error message from supplicant does not report |
| // SSID Once connected, it will be set to invalid |
| private int mTargetNetworkId = WifiConfiguration.INVALID_NETWORK_ID; |
| private long mLastDriverRoamAttempt = 0; |
| private WifiConfiguration mTargetWifiConfiguration = null; |
| |
| int getPollRssiIntervalMsecs() { |
| return mPollRssiIntervalMsecs; |
| } |
| |
| void setPollRssiIntervalMsecs(int newPollIntervalMsecs) { |
| mPollRssiIntervalMsecs = newPollIntervalMsecs; |
| } |
| |
| /** |
| * Method to clear {@link #mTargetRoamBSSID} and reset the the current connected network's |
| * bssid in wpa_supplicant after a roam/connect attempt. |
| */ |
| public boolean clearTargetBssid(String dbg) { |
| WifiConfiguration config = mWifiConfigManager.getConfiguredNetwork(mTargetNetworkId); |
| if (config == null) { |
| return false; |
| } |
| String bssid = SUPPLICANT_BSSID_ANY; |
| if (config.BSSID != null) { |
| bssid = config.BSSID; |
| if (mVerboseLoggingEnabled) { |
| Log.d(TAG, "force BSSID to " + bssid + "due to config"); |
| } |
| } |
| if (mVerboseLoggingEnabled) { |
| logd(dbg + " clearTargetBssid " + bssid + " key=" + config.configKey()); |
| } |
| mTargetRoamBSSID = bssid; |
| return mWifiNative.setConfiguredNetworkBSSID(mInterfaceName, bssid); |
| } |
| |
| /** |
| * Set Config's default BSSID (for association purpose) and {@link #mTargetRoamBSSID} |
| * @param config config need set BSSID |
| * @param bssid default BSSID to assocaite with when connect to this network |
| * @return false -- does not change the current default BSSID of the configure |
| * true -- change the current default BSSID of the configur |
| */ |
| private boolean setTargetBssid(WifiConfiguration config, String bssid) { |
| if (config == null || bssid == null) { |
| return false; |
| } |
| if (config.BSSID != null) { |
| bssid = config.BSSID; |
| if (mVerboseLoggingEnabled) { |
| Log.d(TAG, "force BSSID to " + bssid + "due to config"); |
| } |
| } |
| if (mVerboseLoggingEnabled) { |
| Log.d(TAG, "setTargetBssid set to " + bssid + " key=" + config.configKey()); |
| } |
| mTargetRoamBSSID = bssid; |
| config.getNetworkSelectionStatus().setNetworkSelectionBSSID(bssid); |
| return true; |
| } |
| |
| private volatile IpClientManager mIpClient; |
| private IpClientCallbacksImpl mIpClientCallbacks; |
| |
| // Channel for sending replies. |
| private AsyncChannel mReplyChannel = new AsyncChannel(); |
| |
| // Used to initiate a connection with WifiP2pService |
| private AsyncChannel mWifiP2pChannel; |
| |
| private WifiNetworkFactory mNetworkFactory; |
| private UntrustedWifiNetworkFactory mUntrustedNetworkFactory; |
| @GuardedBy("mNetworkAgentLock") |
| private WifiNetworkAgent mNetworkAgent; |
| private final Object mNetworkAgentLock = new Object(); |
| |
| private byte[] mRssiRanges; |
| |
| // Used to filter out requests we couldn't possibly satisfy. |
| private final NetworkCapabilities mNetworkCapabilitiesFilter = new NetworkCapabilities(); |
| |
| // Provide packet filter capabilities to ConnectivityService. |
| private final NetworkMisc mNetworkMisc = new NetworkMisc(); |
| |
| /* The base for wifi message types */ |
| static final int BASE = Protocol.BASE_WIFI; |
| |
| static final int CMD_BLUETOOTH_ADAPTER_STATE_CHANGE = BASE + 31; |
| |
| /* Supplicant commands */ |
| /* Add/update a network configuration */ |
| static final int CMD_ADD_OR_UPDATE_NETWORK = BASE + 52; |
| /* Delete a network */ |
| static final int CMD_REMOVE_NETWORK = BASE + 53; |
| /* Enable a network. The device will attempt a connection to the given network. */ |
| static final int CMD_ENABLE_NETWORK = BASE + 54; |
| /* Get configured networks */ |
| static final int CMD_GET_CONFIGURED_NETWORKS = BASE + 59; |
| /* Get adaptors */ |
| static final int CMD_GET_SUPPORTED_FEATURES = BASE + 61; |
| /* Get configured networks with real preSharedKey */ |
| static final int CMD_GET_PRIVILEGED_CONFIGURED_NETWORKS = BASE + 62; |
| /* Get Link Layer Stats thru HAL */ |
| static final int CMD_GET_LINK_LAYER_STATS = BASE + 63; |
| /* Supplicant commands after driver start*/ |
| /* Set operational mode. CONNECT, SCAN ONLY, SCAN_ONLY with Wi-Fi off mode */ |
| static final int CMD_SET_OPERATIONAL_MODE = BASE + 72; |
| /* Disconnect from a network */ |
| static final int CMD_DISCONNECT = BASE + 73; |
| /* Reconnect to a network */ |
| static final int CMD_RECONNECT = BASE + 74; |
| /* Reassociate to a network */ |
| static final int CMD_REASSOCIATE = BASE + 75; |
| |
| /* Controls suspend mode optimizations |
| * |
| * When high perf mode is enabled, suspend mode optimizations are disabled |
| * |
| * When high perf mode is disabled, suspend mode optimizations are enabled |
| * |
| * Suspend mode optimizations include: |
| * - packet filtering |
| * - turn off roaming |
| * - DTIM wake up settings |
| */ |
| static final int CMD_SET_HIGH_PERF_MODE = BASE + 77; |
| /* Enables RSSI poll */ |
| static final int CMD_ENABLE_RSSI_POLL = BASE + 82; |
| /* RSSI poll */ |
| static final int CMD_RSSI_POLL = BASE + 83; |
| /** Runs RSSI poll once */ |
| static final int CMD_ONESHOT_RSSI_POLL = BASE + 84; |
| /* Enable suspend mode optimizations in the driver */ |
| static final int CMD_SET_SUSPEND_OPT_ENABLED = BASE + 86; |
| |
| /* Enable TDLS on a specific MAC address */ |
| static final int CMD_ENABLE_TDLS = BASE + 92; |
| |
| /** |
| * Watchdog for protecting against b/16823537 |
| * Leave time for 4-way handshake to succeed |
| */ |
| static final int ROAM_GUARD_TIMER_MSEC = 15000; |
| |
| int mRoamWatchdogCount = 0; |
| /* Roam state watchdog */ |
| static final int CMD_ROAM_WATCHDOG_TIMER = BASE + 94; |
| /* Screen change intent handling */ |
| static final int CMD_SCREEN_STATE_CHANGED = BASE + 95; |
| |
| /* Disconnecting state watchdog */ |
| static final int CMD_DISCONNECTING_WATCHDOG_TIMER = BASE + 96; |
| |
| /* Remove a packages associated configurations */ |
| static final int CMD_REMOVE_APP_CONFIGURATIONS = BASE + 97; |
| |
| /* Disable an ephemeral network */ |
| static final int CMD_DISABLE_EPHEMERAL_NETWORK = BASE + 98; |
| |
| /* SIM is removed; reset any cached data for it */ |
| static final int CMD_RESET_SIM_NETWORKS = BASE + 101; |
| |
| /* OSU APIs */ |
| static final int CMD_QUERY_OSU_ICON = BASE + 104; |
| |
| /* try to match a provider with current network */ |
| static final int CMD_MATCH_PROVIDER_NETWORK = BASE + 105; |
| |
| // Add or update a Passpoint configuration. |
| static final int CMD_ADD_OR_UPDATE_PASSPOINT_CONFIG = BASE + 106; |
| |
| // Remove a Passpoint configuration. |
| static final int CMD_REMOVE_PASSPOINT_CONFIG = BASE + 107; |
| |
| // Get the list of installed Passpoint configurations. |
| static final int CMD_GET_PASSPOINT_CONFIGS = BASE + 108; |
| |
| // Get the list of OSU providers associated with a Passpoint network. |
| static final int CMD_GET_MATCHING_OSU_PROVIDERS = BASE + 109; |
| |
| // Get the list of installed Passpoint configurations matched with OSU providers |
| static final int CMD_GET_MATCHING_PASSPOINT_CONFIGS_FOR_OSU_PROVIDERS = BASE + 110; |
| |
| /* Commands from/to the SupplicantStateTracker */ |
| /* Reset the supplicant state tracker */ |
| static final int CMD_RESET_SUPPLICANT_STATE = BASE + 111; |
| |
| // Get the list of wifi configurations for installed Passpoint profiles |
| static final int CMD_GET_WIFI_CONFIGS_FOR_PASSPOINT_PROFILES = BASE + 112; |
| |
| int mDisconnectingWatchdogCount = 0; |
| static final int DISCONNECTING_GUARD_TIMER_MSEC = 5000; |
| |
| /** |
| * Indicates the end of boot process, should be used to trigger load from config store, |
| * initiate connection attempt, etc. |
| * */ |
| static final int CMD_BOOT_COMPLETED = BASE + 134; |
| /** |
| * Initialize ClientModeImpl. This is currently used to initialize the |
| * {@link HalDeviceManager} module. |
| */ |
| static final int CMD_INITIALIZE = BASE + 135; |
| |
| /* We now have a valid IP configuration. */ |
| static final int CMD_IP_CONFIGURATION_SUCCESSFUL = BASE + 138; |
| /* We no longer have a valid IP configuration. */ |
| static final int CMD_IP_CONFIGURATION_LOST = BASE + 139; |
| /* Link configuration (IP address, DNS, ...) changes notified via netlink */ |
| static final int CMD_UPDATE_LINKPROPERTIES = BASE + 140; |
| |
| /* Supplicant is trying to associate to a given BSSID */ |
| static final int CMD_TARGET_BSSID = BASE + 141; |
| |
| static final int CMD_START_CONNECT = BASE + 143; |
| |
| private static final int NETWORK_STATUS_UNWANTED_DISCONNECT = 0; |
| private static final int NETWORK_STATUS_UNWANTED_VALIDATION_FAILED = 1; |
| private static final int NETWORK_STATUS_UNWANTED_DISABLE_AUTOJOIN = 2; |
| |
| static final int CMD_UNWANTED_NETWORK = BASE + 144; |
| |
| static final int CMD_START_ROAM = BASE + 145; |
| |
| static final int CMD_ASSOCIATED_BSSID = BASE + 147; |
| |
| static final int CMD_NETWORK_STATUS = BASE + 148; |
| |
| /* A layer 3 neighbor on the Wi-Fi link became unreachable. */ |
| static final int CMD_IP_REACHABILITY_LOST = BASE + 149; |
| |
| /* Remove a packages associated configrations */ |
| static final int CMD_REMOVE_USER_CONFIGURATIONS = BASE + 152; |
| |
| static final int CMD_ACCEPT_UNVALIDATED = BASE + 153; |
| |
| /* used to offload sending IP packet */ |
| static final int CMD_START_IP_PACKET_OFFLOAD = BASE + 160; |
| |
| /* used to stop offload sending IP packet */ |
| static final int CMD_STOP_IP_PACKET_OFFLOAD = BASE + 161; |
| |
| /* used to start rssi monitoring in hw */ |
| static final int CMD_START_RSSI_MONITORING_OFFLOAD = BASE + 162; |
| |
| /* used to stop rssi moniroting in hw */ |
| static final int CMD_STOP_RSSI_MONITORING_OFFLOAD = BASE + 163; |
| |
| /* used to indicated RSSI threshold breach in hw */ |
| static final int CMD_RSSI_THRESHOLD_BREACHED = BASE + 164; |
| |
| /* Enable/Disable WifiConnectivityManager */ |
| static final int CMD_ENABLE_WIFI_CONNECTIVITY_MANAGER = BASE + 166; |
| |
| |
| /* Get FQDN list for Passpoint profiles matched with a given scanResults */ |
| static final int CMD_GET_ALL_MATCHING_FQDNS_FOR_SCAN_RESULTS = BASE + 168; |
| |
| /** |
| * Used to handle messages bounced between ClientModeImpl and IpClient. |
| */ |
| static final int CMD_IPV4_PROVISIONING_SUCCESS = BASE + 200; |
| static final int CMD_IPV4_PROVISIONING_FAILURE = BASE + 201; |
| |
| /* Push a new APF program to the HAL */ |
| static final int CMD_INSTALL_PACKET_FILTER = BASE + 202; |
| |
| /* Enable/disable fallback packet filtering */ |
| static final int CMD_SET_FALLBACK_PACKET_FILTERING = BASE + 203; |
| |
| /* Enable/disable Neighbor Discovery offload functionality. */ |
| static final int CMD_CONFIG_ND_OFFLOAD = BASE + 204; |
| |
| /* used to indicate that the foreground user was switched */ |
| static final int CMD_USER_SWITCH = BASE + 205; |
| |
| /* used to indicate that the foreground user was switched */ |
| static final int CMD_USER_UNLOCK = BASE + 206; |
| |
| /* used to indicate that the foreground user was switched */ |
| static final int CMD_USER_STOP = BASE + 207; |
| |
| /* Read the APF program & data buffer */ |
| static final int CMD_READ_PACKET_FILTER = BASE + 208; |
| |
| /** Used to add packet filter to apf. */ |
| static final int CMD_ADD_KEEPALIVE_PACKET_FILTER_TO_APF = BASE + 209; |
| |
| /** Used to remove packet filter from apf. */ |
| static final int CMD_REMOVE_KEEPALIVE_PACKET_FILTER_FROM_APF = BASE + 210; |
| |
| /* Indicates that diagnostics should time out a connection start event. */ |
| static final int CMD_DIAGS_CONNECT_TIMEOUT = BASE + 252; |
| |
| // Start subscription provisioning with a given provider |
| private static final int CMD_START_SUBSCRIPTION_PROVISIONING = BASE + 254; |
| |
| @VisibleForTesting |
| static final int CMD_PRE_DHCP_ACTION = BASE + 255; |
| private static final int CMD_PRE_DHCP_ACTION_COMPLETE = BASE + 256; |
| private static final int CMD_POST_DHCP_ACTION = BASE + 257; |
| |
| // For message logging. |
| private static final Class[] sMessageClasses = { |
| AsyncChannel.class, ClientModeImpl.class }; |
| private static final SparseArray<String> sGetWhatToString = |
| MessageUtils.findMessageNames(sMessageClasses); |
| |
| |
| /* Wifi state machine modes of operation */ |
| /* CONNECT_MODE - connect to any 'known' AP when it becomes available */ |
| public static final int CONNECT_MODE = 1; |
| /* SCAN_ONLY_MODE - don't connect to any APs; scan, but only while apps hold lock */ |
| public static final int SCAN_ONLY_MODE = 2; |
| /* SCAN_ONLY_WITH_WIFI_OFF - scan, but don't connect to any APs */ |
| public static final int SCAN_ONLY_WITH_WIFI_OFF_MODE = 3; |
| /* DISABLED_MODE - Don't connect, don't scan, don't be an AP */ |
| public static final int DISABLED_MODE = 4; |
| |
| private static final int SUCCESS = 1; |
| private static final int FAILURE = -1; |
| |
| /* Tracks if suspend optimizations need to be disabled by DHCP, |
| * screen or due to high perf mode. |
| * When any of them needs to disable it, we keep the suspend optimizations |
| * disabled |
| */ |
| private int mSuspendOptNeedsDisabled = 0; |
| |
| private static final int SUSPEND_DUE_TO_DHCP = 1; |
| private static final int SUSPEND_DUE_TO_HIGH_PERF = 1 << 1; |
| private static final int SUSPEND_DUE_TO_SCREEN = 1 << 2; |
| |
| /** |
| * Time window in milliseconds for which we send |
| * {@link NetworkAgent#explicitlySelected(boolean, boolean)} |
| * after connecting to the network which the user last selected. |
| */ |
| @VisibleForTesting |
| public static final int LAST_SELECTED_NETWORK_EXPIRATION_AGE_MILLIS = 30 * 1000; |
| |
| /* Tracks if user has enabled suspend optimizations through settings */ |
| private AtomicBoolean mUserWantsSuspendOpt = new AtomicBoolean(true); |
| |
| /* Tracks if user has enabled Connected Mac Randomization through settings */ |
| |
| /** |
| * Supplicant scan interval in milliseconds. |
| * Comes from {@link Settings.Global#WIFI_SUPPLICANT_SCAN_INTERVAL_MS} or |
| * from the default config if the setting is not set |
| */ |
| private long mSupplicantScanIntervalMs; |
| |
| int mRunningBeaconCount = 0; |
| |
| /* Default parent state */ |
| private State mDefaultState = new DefaultState(); |
| /* Connecting to an access point */ |
| private State mConnectModeState = new ConnectModeState(); |
| /* Connected at 802.11 (L2) level */ |
| private State mL2ConnectedState = new L2ConnectedState(); |
| /* fetching IP after connection to access point (assoc+auth complete) */ |
| private State mObtainingIpState = new ObtainingIpState(); |
| /* Connected with IP addr */ |
| private State mConnectedState = new ConnectedState(); |
| /* Roaming */ |
| private State mRoamingState = new RoamingState(); |
| /* disconnect issued, waiting for network disconnect confirmation */ |
| private State mDisconnectingState = new DisconnectingState(); |
| /* Network is not connected, supplicant assoc+auth is not complete */ |
| private State mDisconnectedState = new DisconnectedState(); |
| |
| /** |
| * 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} |
| */ |
| private final AtomicInteger mWifiState = new AtomicInteger(WIFI_STATE_DISABLED); |
| |
| /** |
| * Work source to use to blame usage on the WiFi service |
| */ |
| public static final WorkSource WIFI_WORK_SOURCE = new WorkSource(Process.WIFI_UID); |
| |
| /** |
| * Keep track of whether WIFI is running. |
| */ |
| private boolean mIsRunning = false; |
| |
| /** |
| * Keep track of whether we last told the battery stats we had started. |
| */ |
| private boolean mReportedRunning = false; |
| |
| /** |
| * Most recently set source of starting WIFI. |
| */ |
| private final WorkSource mRunningWifiUids = new WorkSource(); |
| |
| /** |
| * The last reported UIDs that were responsible for starting WIFI. |
| */ |
| private final WorkSource mLastRunningWifiUids = new WorkSource(); |
| |
| private TelephonyManager mTelephonyManager; |
| private TelephonyManager getTelephonyManager() { |
| if (mTelephonyManager == null) { |
| mTelephonyManager = mWifiInjector.makeTelephonyManager(); |
| } |
| return mTelephonyManager; |
| } |
| |
| private final IBatteryStats mBatteryStats; |
| |
| private final String mTcpBufferSizes; |
| |
| // Used for debug and stats gathering |
| private static int sScanAlarmIntentCount = 0; |
| |
| private FrameworkFacade mFacade; |
| private WifiStateTracker mWifiStateTracker; |
| private final BackupManagerProxy mBackupManagerProxy; |
| private final WrongPasswordNotifier mWrongPasswordNotifier; |
| private WifiNetworkSuggestionsManager mWifiNetworkSuggestionsManager; |
| private boolean mConnectedMacRandomzationSupported; |
| |
| public ClientModeImpl(Context context, FrameworkFacade facade, Looper looper, |
| UserManager userManager, WifiInjector wifiInjector, |
| BackupManagerProxy backupManagerProxy, WifiCountryCode countryCode, |
| WifiNative wifiNative, WrongPasswordNotifier wrongPasswordNotifier, |
| SarManager sarManager, WifiTrafficPoller wifiTrafficPoller, |
| LinkProbeManager linkProbeManager) { |
| super(TAG, looper); |
| mWifiInjector = wifiInjector; |
| mWifiMetrics = mWifiInjector.getWifiMetrics(); |
| mClock = wifiInjector.getClock(); |
| mPropertyService = wifiInjector.getPropertyService(); |
| mBuildProperties = wifiInjector.getBuildProperties(); |
| mWifiScoreCard = wifiInjector.getWifiScoreCard(); |
| mContext = context; |
| mFacade = facade; |
| mWifiNative = wifiNative; |
| mBackupManagerProxy = backupManagerProxy; |
| mWrongPasswordNotifier = wrongPasswordNotifier; |
| mSarManager = sarManager; |
| mWifiTrafficPoller = wifiTrafficPoller; |
| mLinkProbeManager = linkProbeManager; |
| |
| mNetworkInfo = new NetworkInfo(ConnectivityManager.TYPE_WIFI, 0, NETWORKTYPE, ""); |
| mBatteryStats = IBatteryStats.Stub.asInterface(mFacade.getService( |
| BatteryStats.SERVICE_NAME)); |
| mWifiStateTracker = wifiInjector.getWifiStateTracker(); |
| IBinder b = mFacade.getService(Context.NETWORKMANAGEMENT_SERVICE); |
| |
| mP2pSupported = mContext.getPackageManager().hasSystemFeature( |
| PackageManager.FEATURE_WIFI_DIRECT); |
| |
| mWifiPermissionsUtil = mWifiInjector.getWifiPermissionsUtil(); |
| mWifiConfigManager = mWifiInjector.getWifiConfigManager(); |
| |
| mPasspointManager = mWifiInjector.getPasspointManager(); |
| |
| mWifiMonitor = mWifiInjector.getWifiMonitor(); |
| mWifiDiagnostics = mWifiInjector.getWifiDiagnostics(); |
| mWifiPermissionsWrapper = mWifiInjector.getWifiPermissionsWrapper(); |
| mWifiDataStall = mWifiInjector.getWifiDataStall(); |
| |
| mWifiInfo = new ExtendedWifiInfo(); |
| mSupplicantStateTracker = |
| mFacade.makeSupplicantStateTracker(context, mWifiConfigManager, getHandler()); |
| mWifiConnectivityManager = mWifiInjector.makeWifiConnectivityManager(this); |
| |
| |
| mLinkProperties = new LinkProperties(); |
| mMcastLockManagerFilterController = new McastLockManagerFilterController(); |
| |
| mNetworkInfo.setIsAvailable(false); |
| mLastBssid = null; |
| mLastNetworkId = WifiConfiguration.INVALID_NETWORK_ID; |
| mLastSignalLevel = -1; |
| |
| mCountryCode = countryCode; |
| |
| mWifiScoreReport = new WifiScoreReport(mWifiInjector.getScoringParams(), mClock); |
| |
| mNetworkCapabilitiesFilter.addTransportType(NetworkCapabilities.TRANSPORT_WIFI); |
| mNetworkCapabilitiesFilter.addCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET); |
| mNetworkCapabilitiesFilter.addCapability(NetworkCapabilities.NET_CAPABILITY_NOT_METERED); |
| mNetworkCapabilitiesFilter.addCapability(NetworkCapabilities.NET_CAPABILITY_NOT_ROAMING); |
| mNetworkCapabilitiesFilter.addCapability(NetworkCapabilities.NET_CAPABILITY_NOT_CONGESTED); |
| mNetworkCapabilitiesFilter.addCapability(NetworkCapabilities.NET_CAPABILITY_NOT_RESTRICTED); |
| // TODO - needs to be a bit more dynamic |
| mNetworkCapabilitiesFilter.setLinkUpstreamBandwidthKbps(1024 * 1024); |
| mNetworkCapabilitiesFilter.setLinkDownstreamBandwidthKbps(1024 * 1024); |
| mNetworkCapabilitiesFilter.setNetworkSpecifier(new MatchAllNetworkSpecifier()); |
| // Make the network factories. |
| mNetworkFactory = mWifiInjector.makeWifiNetworkFactory( |
| mNetworkCapabilitiesFilter, mWifiConnectivityManager); |
| // We can't filter untrusted network in the capabilities filter because a trusted |
| // network would still satisfy a request that accepts untrusted ones. |
| // We need a second network factory for untrusted network requests because we need a |
| // different score filter for these requests. |
| mUntrustedNetworkFactory = mWifiInjector.makeUntrustedWifiNetworkFactory( |
| mNetworkCapabilitiesFilter, mWifiConnectivityManager); |
| |
| mWifiNetworkSuggestionsManager = mWifiInjector.getWifiNetworkSuggestionsManager(); |
| |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_SCREEN_ON); |
| filter.addAction(Intent.ACTION_SCREEN_OFF); |
| mContext.registerReceiver( |
| new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| String action = intent.getAction(); |
| |
| if (action.equals(Intent.ACTION_SCREEN_ON)) { |
| sendMessage(CMD_SCREEN_STATE_CHANGED, 1); |
| } else if (action.equals(Intent.ACTION_SCREEN_OFF)) { |
| sendMessage(CMD_SCREEN_STATE_CHANGED, 0); |
| } |
| } |
| }, filter); |
| |
| mFacade.registerContentObserver(mContext, Settings.Global.getUriFor( |
| Settings.Global.WIFI_SUSPEND_OPTIMIZATIONS_ENABLED), false, |
| new ContentObserver(getHandler()) { |
| @Override |
| public void onChange(boolean selfChange) { |
| mUserWantsSuspendOpt.set(mFacade.getIntegerSetting(mContext, |
| Settings.Global.WIFI_SUSPEND_OPTIMIZATIONS_ENABLED, 1) == 1); |
| } |
| }); |
| |
| mUserWantsSuspendOpt.set(mFacade.getIntegerSetting(mContext, |
| Settings.Global.WIFI_SUSPEND_OPTIMIZATIONS_ENABLED, 1) == 1); |
| |
| PowerManager powerManager = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); |
| mWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, getName()); |
| |
| mSuspendWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "WifiSuspend"); |
| mSuspendWakeLock.setReferenceCounted(false); |
| |
| mConnectedMacRandomzationSupported = mContext.getResources() |
| .getBoolean(R.bool.config_wifi_connected_mac_randomization_supported); |
| mWifiInfo.setEnableConnectedMacRandomization(mConnectedMacRandomzationSupported); |
| mWifiMetrics.setIsMacRandomizationOn(mConnectedMacRandomzationSupported); |
| |
| mTcpBufferSizes = mContext.getResources().getString( |
| R.string.config_wifi_tcp_buffers); |
| |
| // CHECKSTYLE:OFF IndentationCheck |
| addState(mDefaultState); |
| addState(mConnectModeState, mDefaultState); |
| addState(mL2ConnectedState, mConnectModeState); |
| addState(mObtainingIpState, mL2ConnectedState); |
| addState(mConnectedState, mL2ConnectedState); |
| addState(mRoamingState, mL2ConnectedState); |
| addState(mDisconnectingState, mConnectModeState); |
| addState(mDisconnectedState, mConnectModeState); |
| // CHECKSTYLE:ON IndentationCheck |
| |
| setInitialState(mDefaultState); |
| |
| setLogRecSize(NUM_LOG_RECS_NORMAL); |
| setLogOnlyTransitions(false); |
| } |
| |
| @Override |
| public void start() { |
| super.start(); |
| |
| PowerManager powerManager = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE); |
| |
| // Learn the initial state of whether the screen is on. |
| // We update this field when we receive broadcasts from the system. |
| handleScreenStateChanged(powerManager.isInteractive()); |
| } |
| |
| private void registerForWifiMonitorEvents() { |
| mWifiMonitor.registerHandler(mInterfaceName, CMD_TARGET_BSSID, getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, CMD_ASSOCIATED_BSSID, getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.ANQP_DONE_EVENT, getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.ASSOCIATION_REJECTION_EVENT, |
| getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.AUTHENTICATION_FAILURE_EVENT, |
| getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.GAS_QUERY_DONE_EVENT, |
| getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.GAS_QUERY_START_EVENT, |
| getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.HS20_REMEDIATION_EVENT, |
| getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.NETWORK_CONNECTION_EVENT, |
| getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.NETWORK_DISCONNECTION_EVENT, |
| getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.RX_HS20_ANQP_ICON_EVENT, |
| getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.SUPPLICANT_STATE_CHANGE_EVENT, |
| getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.SUP_REQUEST_IDENTITY, |
| getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.SUP_REQUEST_SIM_AUTH, |
| getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.ASSOCIATION_REJECTION_EVENT, |
| mWifiMetrics.getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.AUTHENTICATION_FAILURE_EVENT, |
| mWifiMetrics.getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.NETWORK_CONNECTION_EVENT, |
| mWifiMetrics.getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.NETWORK_DISCONNECTION_EVENT, |
| mWifiMetrics.getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, WifiMonitor.SUPPLICANT_STATE_CHANGE_EVENT, |
| mWifiMetrics.getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, CMD_ASSOCIATED_BSSID, |
| mWifiMetrics.getHandler()); |
| mWifiMonitor.registerHandler(mInterfaceName, CMD_TARGET_BSSID, |
| mWifiMetrics.getHandler()); |
| } |
| |
| private void setMulticastFilter(boolean enabled) { |
| if (mIpClient != null) { |
| mIpClient.setMulticastFilter(enabled); |
| } |
| } |
| |
| /** |
| * Class to implement the MulticastLockManager.FilterController callback. |
| */ |
| class McastLockManagerFilterController implements WifiMulticastLockManager.FilterController { |
| /** |
| * Start filtering Multicast v4 packets |
| */ |
| public void startFilteringMulticastPackets() { |
| setMulticastFilter(true); |
| } |
| |
| /** |
| * Stop filtering Multicast v4 packets |
| */ |
| public void stopFilteringMulticastPackets() { |
| setMulticastFilter(false); |
| } |
| } |
| |
| class IpClientCallbacksImpl extends IpClientCallbacks { |
| private final ConditionVariable mWaitForCreationCv = new ConditionVariable(false); |
| private final ConditionVariable mWaitForStopCv = new ConditionVariable(false); |
| |
| @Override |
| public void onIpClientCreated(IIpClient ipClient) { |
| mIpClient = new IpClientManager(ipClient, getName()); |
| mWaitForCreationCv.open(); |
| } |
| |
| @Override |
| public void onPreDhcpAction() { |
| sendMessage(CMD_PRE_DHCP_ACTION); |
| } |
| |
| @Override |
| public void onPostDhcpAction() { |
| sendMessage(CMD_POST_DHCP_ACTION); |
| } |
| |
| @Override |
| public void onNewDhcpResults(DhcpResults dhcpResults) { |
| if (dhcpResults != null) { |
| sendMessage(CMD_IPV4_PROVISIONING_SUCCESS, dhcpResults); |
| } else { |
| sendMessage(CMD_IPV4_PROVISIONING_FAILURE); |
| } |
| } |
| |
| @Override |
| public void onProvisioningSuccess(LinkProperties newLp) { |
| mWifiMetrics.logStaEvent(StaEvent.TYPE_CMD_IP_CONFIGURATION_SUCCESSFUL); |
| sendMessage(CMD_UPDATE_LINKPROPERTIES, newLp); |
| sendMessage(CMD_IP_CONFIGURATION_SUCCESSFUL); |
| } |
| |
| @Override |
| public void onProvisioningFailure(LinkProperties newLp) { |
| mWifiMetrics.logStaEvent(StaEvent.TYPE_CMD_IP_CONFIGURATION_LOST); |
| sendMessage(CMD_IP_CONFIGURATION_LOST); |
| } |
| |
| @Override |
| public void onLinkPropertiesChange(LinkProperties newLp) { |
| sendMessage(CMD_UPDATE_LINKPROPERTIES, newLp); |
| } |
| |
| @Override |
| public void onReachabilityLost(String logMsg) { |
| mWifiMetrics.logStaEvent(StaEvent.TYPE_CMD_IP_REACHABILITY_LOST); |
| sendMessage(CMD_IP_REACHABILITY_LOST, logMsg); |
| } |
| |
| @Override |
| public void installPacketFilter(byte[] filter) { |
| sendMessage(CMD_INSTALL_PACKET_FILTER, filter); |
| } |
| |
| @Override |
| public void startReadPacketFilter() { |
| sendMessage(CMD_READ_PACKET_FILTER); |
| } |
| |
| @Override |
| public void setFallbackMulticastFilter(boolean enabled) { |
| sendMessage(CMD_SET_FALLBACK_PACKET_FILTERING, enabled); |
| } |
| |
| @Override |
| public void setNeighborDiscoveryOffload(boolean enabled) { |
| sendMessage(CMD_CONFIG_ND_OFFLOAD, (enabled ? 1 : 0)); |
| } |
| |
| @Override |
| public void onQuit() { |
| mWaitForStopCv.open(); |
| } |
| |
| boolean awaitCreation() { |
| return mWaitForCreationCv.block(IPCLIENT_TIMEOUT_MS); |
| } |
| |
| boolean awaitShutdown() { |
| return mWaitForStopCv.block(IPCLIENT_TIMEOUT_MS); |
| } |
| } |
| |
| private void stopIpClient() { |
| /* Restore power save and suspend optimizations */ |
| handlePostDhcpSetup(); |
| if (mIpClient != null) { |
| mIpClient.stop(); |
| } |
| } |
| |
| /** |
| * Set wpa_supplicant log level using |mVerboseLoggingLevel| flag. |
| */ |
| void setSupplicantLogLevel() { |
| mWifiNative.setSupplicantLogLevel(mVerboseLoggingEnabled); |
| } |
| |
| /** |
| * Method to update logging level in wifi service related classes. |
| * |
| * @param verbose int logging level to use |
| */ |
| public void enableVerboseLogging(int verbose) { |
| if (verbose > 0) { |
| mVerboseLoggingEnabled = true; |
| setLogRecSize(ActivityManager.isLowRamDeviceStatic() |
| ? NUM_LOG_RECS_VERBOSE_LOW_MEMORY : NUM_LOG_RECS_VERBOSE); |
| } else { |
| mVerboseLoggingEnabled = false; |
| setLogRecSize(NUM_LOG_RECS_NORMAL); |
| } |
| configureVerboseHalLogging(mVerboseLoggingEnabled); |
| setSupplicantLogLevel(); |
| mCountryCode.enableVerboseLogging(verbose); |
| mWifiScoreReport.enableVerboseLogging(mVerboseLoggingEnabled); |
| mWifiDiagnostics.startLogging(mVerboseLoggingEnabled); |
| mWifiMonitor.enableVerboseLogging(verbose); |
| mWifiNative.enableVerboseLogging(verbose); |
| mWifiConfigManager.enableVerboseLogging(verbose); |
| mSupplicantStateTracker.enableVerboseLogging(verbose); |
| mPasspointManager.enableVerboseLogging(verbose); |
| mNetworkFactory.enableVerboseLogging(verbose); |
| mLinkProbeManager.enableVerboseLogging(mVerboseLoggingEnabled); |
| } |
| |
| private static final String SYSTEM_PROPERTY_LOG_CONTROL_WIFIHAL = "log.tag.WifiHAL"; |
| private static final String LOGD_LEVEL_DEBUG = "D"; |
| private static final String LOGD_LEVEL_VERBOSE = "V"; |
| private void configureVerboseHalLogging(boolean enableVerbose) { |
| if (mBuildProperties.isUserBuild()) { // Verbose HAL logging not supported on user builds. |
| return; |
| } |
| mPropertyService.set(SYSTEM_PROPERTY_LOG_CONTROL_WIFIHAL, |
| enableVerbose ? LOGD_LEVEL_VERBOSE : LOGD_LEVEL_DEBUG); |
| } |
| |
| private boolean setRandomMacOui() { |
| String oui = mContext.getResources().getString(R.string.config_wifi_random_mac_oui); |
| if (TextUtils.isEmpty(oui)) { |
| oui = GOOGLE_OUI; |
| } |
| String[] ouiParts = oui.split("-"); |
| byte[] ouiBytes = new byte[3]; |
| ouiBytes[0] = (byte) (Integer.parseInt(ouiParts[0], 16) & 0xFF); |
| ouiBytes[1] = (byte) (Integer.parseInt(ouiParts[1], 16) & 0xFF); |
| ouiBytes[2] = (byte) (Integer.parseInt(ouiParts[2], 16) & 0xFF); |
| |
| logd("Setting OUI to " + oui); |
| return mWifiNative.setScanningMacOui(mInterfaceName, ouiBytes); |
| } |
| |
| /** |
| * Initiates connection to a network specified by the user/app. This method checks if the |
| * requesting app holds the NETWORK_SETTINGS permission. |
| * |
| * @param netId Id network to initiate connection. |
| * @param uid UID of the app requesting the connection. |
| * @param forceReconnect Whether to force a connection even if we're connected to the same |
| * network currently. |
| */ |
| private boolean connectToUserSelectNetwork(int netId, int uid, boolean forceReconnect) { |
| logd("connectToUserSelectNetwork netId " + netId + ", uid " + uid |
| + ", forceReconnect = " + forceReconnect); |
| WifiConfiguration config = mWifiConfigManager.getConfiguredNetwork(netId); |
| if (config == null) { |
| loge("connectToUserSelectNetwork Invalid network Id=" + netId); |
| return false; |
| } |
| if (!mWifiConfigManager.enableNetwork(netId, true, uid) |
| || !mWifiConfigManager.updateLastConnectUid(netId, uid)) { |
| logi("connectToUserSelectNetwork Allowing uid " + uid |
| + " with insufficient permissions to connect=" + netId); |
| } else if (mWifiPermissionsUtil.checkNetworkSettingsPermission(uid)) { |
| // Note user connect choice here, so that it will be considered in the next network |
| // selection. |
| mWifiConnectivityManager.setUserConnectChoice(netId); |
| } |
| if (!forceReconnect && mWifiInfo.getNetworkId() == netId) { |
| // We're already connected to the user specified network, don't trigger a |
| // reconnection unless it was forced. |
| logi("connectToUserSelectNetwork already connecting/connected=" + netId); |
| } else { |
| mWifiConnectivityManager.prepareForForcedConnection(netId); |
| if (uid == Process.SYSTEM_UID) { |
| mWifiMetrics.setNominatorForNetwork(config.networkId, |
| WifiMetricsProto.ConnectionEvent.NOMINATOR_MANUAL); |
| } |
| startConnectToNetwork(netId, uid, SUPPLICANT_BSSID_ANY); |
| } |
| return true; |
| } |
| |
| /** |
| * ****************************************************** |
| * Methods exposed for public use |
| * ****************************************************** |
| */ |
| |
| /** |
| * Retrieve a Messenger for the ClientModeImpl Handler |
| * |
| * @return Messenger |
| */ |
| public Messenger getMessenger() { |
| return new Messenger(getHandler()); |
| } |
| |
| // Last connect attempt is used to prevent scan requests: |
| // - for a period of 10 seconds after attempting to connect |
| private long mLastConnectAttemptTimestamp = 0; |
| |
| // For debugging, keep track of last message status handling |
| // TODO, find an equivalent mechanism as part of parent class |
| private static final int MESSAGE_HANDLING_STATUS_PROCESSED = 2; |
| private static final int MESSAGE_HANDLING_STATUS_OK = 1; |
| private static final int MESSAGE_HANDLING_STATUS_UNKNOWN = 0; |
| private static final int MESSAGE_HANDLING_STATUS_REFUSED = -1; |
| private static final int MESSAGE_HANDLING_STATUS_FAIL = -2; |
| private static final int MESSAGE_HANDLING_STATUS_OBSOLETE = -3; |
| private static final int MESSAGE_HANDLING_STATUS_DEFERRED = -4; |
| private static final int MESSAGE_HANDLING_STATUS_DISCARD = -5; |
| private static final int MESSAGE_HANDLING_STATUS_LOOPED = -6; |
| private static final int MESSAGE_HANDLING_STATUS_HANDLING_ERROR = -7; |
| |
| private int mMessageHandlingStatus = 0; |
| |
| private int mOnTime = 0; |
| private int mTxTime = 0; |
| private int mRxTime = 0; |
| |
| private int mOnTimeScreenStateChange = 0; |
| private long mLastOntimeReportTimeStamp = 0; |
| private long mLastScreenStateChangeTimeStamp = 0; |
| private int mOnTimeLastReport = 0; |
| private int mTxTimeLastReport = 0; |
| private int mRxTimeLastReport = 0; |
| |
| private WifiLinkLayerStats mLastLinkLayerStats; |
| private long mLastLinkLayerStatsUpdate = 0; |
| |
| String reportOnTime() { |
| long now = mClock.getWallClockMillis(); |
| StringBuilder sb = new StringBuilder(); |
| // Report stats since last report |
| int on = mOnTime - mOnTimeLastReport; |
| mOnTimeLastReport = mOnTime; |
| int tx = mTxTime - mTxTimeLastReport; |
| mTxTimeLastReport = mTxTime; |
| int rx = mRxTime - mRxTimeLastReport; |
| mRxTimeLastReport = mRxTime; |
| int period = (int) (now - mLastOntimeReportTimeStamp); |
| mLastOntimeReportTimeStamp = now; |
| sb.append(String.format("[on:%d tx:%d rx:%d period:%d]", on, tx, rx, period)); |
| // Report stats since Screen State Changed |
| on = mOnTime - mOnTimeScreenStateChange; |
| period = (int) (now - mLastScreenStateChangeTimeStamp); |
| sb.append(String.format(" from screen [on:%d period:%d]", on, period)); |
| return sb.toString(); |
| } |
| |
| WifiLinkLayerStats getWifiLinkLayerStats() { |
| if (mInterfaceName == null) { |
| loge("getWifiLinkLayerStats called without an interface"); |
| return null; |
| } |
| mLastLinkLayerStatsUpdate = mClock.getWallClockMillis(); |
| WifiLinkLayerStats stats = mWifiNative.getWifiLinkLayerStats(mInterfaceName); |
| if (stats != null) { |
| mOnTime = stats.on_time; |
| mTxTime = stats.tx_time; |
| mRxTime = stats.rx_time; |
| mRunningBeaconCount = stats.beacon_rx; |
| mWifiInfo.updatePacketRates(stats, mLastLinkLayerStatsUpdate); |
| } else { |
| long mTxPkts = mFacade.getTxPackets(mInterfaceName); |
| long mRxPkts = mFacade.getRxPackets(mInterfaceName); |
| mWifiInfo.updatePacketRates(mTxPkts, mRxPkts, mLastLinkLayerStatsUpdate); |
| } |
| return stats; |
| } |
| |
| private byte[] getDstMacForKeepalive(KeepalivePacketData packetData) |
| throws InvalidPacketException { |
| try { |
| InetAddress gateway = RouteInfo.selectBestRoute( |
| mLinkProperties.getRoutes(), packetData.dstAddress).getGateway(); |
| String dstMacStr = macAddressFromRoute(gateway.getHostAddress()); |
| return NativeUtil.macAddressToByteArray(dstMacStr); |
| } catch (NullPointerException | IllegalArgumentException e) { |
| throw new InvalidPacketException(SocketKeepalive.ERROR_INVALID_IP_ADDRESS); |
| } |
| } |
| |
| private static int getEtherProtoForKeepalive(KeepalivePacketData packetData) |
| throws InvalidPacketException { |
| if (packetData.dstAddress instanceof Inet4Address) { |
| return OsConstants.ETH_P_IP; |
| } else if (packetData.dstAddress instanceof Inet6Address) { |
| return OsConstants.ETH_P_IPV6; |
| } else { |
| throw new InvalidPacketException(SocketKeepalive.ERROR_INVALID_IP_ADDRESS); |
| } |
| } |
| |
| private int startWifiIPPacketOffload(int slot, KeepalivePacketData packetData, |
| int intervalSeconds) { |
| byte[] packet = null; |
| byte[] dstMac = null; |
| int proto = 0; |
| |
| try { |
| packet = packetData.getPacket(); |
| dstMac = getDstMacForKeepalive(packetData); |
| proto = getEtherProtoForKeepalive(packetData); |
| } catch (InvalidPacketException e) { |
| return e.error; |
| } |
| |
| int ret = mWifiNative.startSendingOffloadedPacket( |
| mInterfaceName, slot, dstMac, packet, proto, intervalSeconds * 1000); |
| if (ret != 0) { |
| loge("startWifiIPPacketOffload(" + slot + ", " + intervalSeconds |
| + "): hardware error " + ret); |
| return SocketKeepalive.ERROR_HARDWARE_ERROR; |
| } else { |
| return SocketKeepalive.SUCCESS; |
| } |
| } |
| |
| private int stopWifiIPPacketOffload(int slot) { |
| int ret = mWifiNative.stopSendingOffloadedPacket(mInterfaceName, slot); |
| if (ret != 0) { |
| loge("stopWifiIPPacketOffload(" + slot + "): hardware error " + ret); |
| return SocketKeepalive.ERROR_HARDWARE_ERROR; |
| } else { |
| return SocketKeepalive.SUCCESS; |
| } |
| } |
| |
| private int startRssiMonitoringOffload(byte maxRssi, byte minRssi, |
| WifiNative.WifiRssiEventHandler rssiHandler) { |
| return mWifiNative.startRssiMonitoring(mInterfaceName, maxRssi, minRssi, rssiHandler); |
| } |
| |
| private int stopRssiMonitoringOffload() { |
| return mWifiNative.stopRssiMonitoring(mInterfaceName); |
| } |
| |
| /** |
| * Temporary method that allows the active ClientModeManager to set the wifi state that is |
| * retrieved by API calls. This will be removed when WifiServiceImpl no longer directly calls |
| * this class (b/31479117). |
| * |
| * @param newState new state to set, invalid states are ignored. |
| */ |
| public void setWifiStateForApiCalls(int newState) { |
| switch (newState) { |
| case WIFI_STATE_DISABLING: |
| case WIFI_STATE_DISABLED: |
| case WIFI_STATE_ENABLING: |
| case WIFI_STATE_ENABLED: |
| case WIFI_STATE_UNKNOWN: |
| if (mVerboseLoggingEnabled) { |
| Log.d(TAG, "setting wifi state to: " + newState); |
| } |
| mWifiState.set(newState); |
| return; |
| default: |
| Log.d(TAG, "attempted to set an invalid state: " + newState); |
| return; |
| } |
| } |
| |
| /** |
| * Method used by WifiServiceImpl to get the current state of Wifi (in client mode) for API |
| * calls. This will be removed when WifiService no longer directly calls this class |
| * (b/31479117). |
| */ |
| public int syncGetWifiState() { |
| return mWifiState.get(); |
| } |
| |
| /** |
| * Converts the current wifi state to a printable form. |
| */ |
| public String syncGetWifiStateByName() { |
| switch (mWifiState.get()) { |
| case WIFI_STATE_DISABLING: |
| return "disabling"; |
| case WIFI_STATE_DISABLED: |
| return "disabled"; |
| case WIFI_STATE_ENABLING: |
| return "enabling"; |
| case WIFI_STATE_ENABLED: |
| return "enabled"; |
| case WIFI_STATE_UNKNOWN: |
| return "unknown state"; |
| default: |
| return "[invalid state]"; |
| } |
| } |
| |
| public boolean isConnected() { |
| return getCurrentState() == mConnectedState; |
| } |
| |
| public boolean isDisconnected() { |
| return getCurrentState() == mDisconnectedState; |
| } |
| |
| /** |
| * Method checking if supplicant is in a transient state |
| * |
| * @return boolean true if in transient state |
| */ |
| public boolean isSupplicantTransientState() { |
| SupplicantState supplicantState = mWifiInfo.getSupplicantState(); |
| if (supplicantState == SupplicantState.ASSOCIATING |
| || supplicantState == SupplicantState.AUTHENTICATING |
| || supplicantState == SupplicantState.FOUR_WAY_HANDSHAKE |
| || supplicantState == SupplicantState.GROUP_HANDSHAKE) { |
| |
| if (mVerboseLoggingEnabled) { |
| Log.d(TAG, "Supplicant is under transient state: " + supplicantState); |
| } |
| return true; |
| } else { |
| if (mVerboseLoggingEnabled) { |
| Log.d(TAG, "Supplicant is under steady state: " + supplicantState); |
| } |
| } |
| |
| return false; |
| } |
| |
| /** |
| * Get status information for the current connection, if any. |
| * |
| * @return a {@link WifiInfo} object containing information about the current connection |
| */ |
| public WifiInfo syncRequestConnectionInfo() { |
| WifiInfo result = new WifiInfo(mWifiInfo); |
| return result; |
| } |
| |
| /** |
| * Method to retrieve the current WifiInfo |
| * |
| * @returns WifiInfo |
| */ |
| public WifiInfo getWifiInfo() { |
| return mWifiInfo; |
| } |
| |
| /** |
| * Blocking call to get the current DHCP results |
| * |
| * @return DhcpResults current results |
| */ |
| public DhcpResults syncGetDhcpResults() { |
| synchronized (mDhcpResultsLock) { |
| return new DhcpResults(mDhcpResults); |
| } |
| } |
| |
| /** |
| * When the underlying interface is destroyed, we must immediately tell connectivity service to |
| * mark network agent as disconnected and stop the ip client. |
| */ |
| public void handleIfaceDestroyed() { |
| handleNetworkDisconnect(); |
| } |
| |
| /** |
| * TODO: doc |
| */ |
| public void setOperationalMode(int mode, String ifaceName) { |
| if (mVerboseLoggingEnabled) { |
| log("setting operational mode to " + String.valueOf(mode) + " for iface: " + ifaceName); |
| } |
| mModeChange = true; |
| if (mode != CONNECT_MODE) { |
| // we are disabling client mode... need to exit connect mode now |
| transitionTo(mDefaultState); |
| } else { |
| // do a quick sanity check on the iface name, make sure it isn't null |
| if (ifaceName != null) { |
| mInterfaceName = ifaceName; |
| transitionTo(mDisconnectedState); |
| } else { |
| Log.e(TAG, "supposed to enter connect mode, but iface is null -> DefaultState"); |
| transitionTo(mDefaultState); |
| } |
| } |
| // use the CMD_SET_OPERATIONAL_MODE to force the transitions before other messages are |
| // handled. |
| sendMessageAtFrontOfQueue(CMD_SET_OPERATIONAL_MODE); |
| } |
| |
| /** |
| * Initiates a system-level bugreport, in a non-blocking fashion. |
| */ |
| public void takeBugReport(String bugTitle, String bugDetail) { |
| mWifiDiagnostics.takeBugReport(bugTitle, bugDetail); |
| } |
| |
| /** |
| * Allow tests to confirm the operational mode for ClientModeImpl for testing. |
| */ |
| @VisibleForTesting |
| protected int getOperationalModeForTest() { |
| return mOperationalMode; |
| } |
| |
| /** |
| * Retrieve the WifiMulticastLockManager.FilterController callback for registration. |
| */ |
| protected WifiMulticastLockManager.FilterController getMcastLockManagerFilterController() { |
| return mMcastLockManagerFilterController; |
| } |
| |
| /** |
| * Blocking method to retrieve the passpoint icon. |
| * |
| * @param channel AsyncChannel for the response |
| * @param bssid representation of the bssid as a long |
| * @param fileName name of the file |
| * |
| * @return boolean returning the result of the call |
| */ |
| public boolean syncQueryPasspointIcon(AsyncChannel channel, long bssid, String fileName) { |
| Bundle bundle = new Bundle(); |
| bundle.putLong(EXTRA_OSU_ICON_QUERY_BSSID, bssid); |
| bundle.putString(EXTRA_OSU_ICON_QUERY_FILENAME, fileName); |
| Message resultMsg = channel.sendMessageSynchronously(CMD_QUERY_OSU_ICON, bundle); |
| int result = resultMsg.arg1; |
| resultMsg.recycle(); |
| return result == 1; |
| } |
| |
| /** |
| * Blocking method to match the provider with the current network |
| * |
| * @param channel AsyncChannel to use for the response |
| * @param fqdn |
| * @return int returns message result |
| */ |
| public int matchProviderWithCurrentNetwork(AsyncChannel channel, String fqdn) { |
| Message resultMsg = channel.sendMessageSynchronously(CMD_MATCH_PROVIDER_NETWORK, fqdn); |
| int result = resultMsg.arg1; |
| resultMsg.recycle(); |
| return result; |
| } |
| |
| /** |
| * Deauthenticate and set the re-authentication hold off time for the current network |
| * @param holdoff hold off time in milliseconds |
| * @param ess set if the hold off pertains to an ESS rather than a BSS |
| */ |
| public void deauthenticateNetwork(AsyncChannel channel, long holdoff, boolean ess) { |
| // TODO: This needs an implementation |
| } |
| |
| /** |
| * Method to disable an ephemeral config for an ssid |
| * |
| * @param ssid network name to disable |
| */ |
| public void disableEphemeralNetwork(String ssid) { |
| if (ssid != null) { |
| sendMessage(CMD_DISABLE_EPHEMERAL_NETWORK, ssid); |
| } |
| } |
| |
| /** |
| * Disconnect from Access Point |
| */ |
| public void disconnectCommand() { |
| sendMessage(CMD_DISCONNECT); |
| } |
| |
| /** |
| * Method to trigger a disconnect. |
| * |
| * @param uid UID of requesting caller |
| * @param reason disconnect reason |
| */ |
| public void disconnectCommand(int uid, int reason) { |
| sendMessage(CMD_DISCONNECT, uid, reason); |
| } |
| |
| /** |
| * Initiate a reconnection to AP |
| */ |
| public void reconnectCommand(WorkSource workSource) { |
| sendMessage(CMD_RECONNECT, workSource); |
| } |
| |
| /** |
| * Initiate a re-association to AP |
| */ |
| public void reassociateCommand() { |
| sendMessage(CMD_REASSOCIATE); |
| } |
| |
| /** |
| * Checks for a null Message. |
| * |
| * This can happen with sendMessageSynchronously, for example if an |
| * InterruptedException occurs. If this just happens once, silently |
| * ignore it, because it is probably a side effect of shutting down. |
| * If it happens a second time, generate a WTF. |
| */ |
| private boolean messageIsNull(Message resultMsg) { |
| if (resultMsg != null) return false; |
| if (mNullMessageCounter.getAndIncrement() > 0) { |
| Log.wtf(TAG, "Persistent null Message", new RuntimeException()); |
| } |
| return true; |
| } |
| private AtomicInteger mNullMessageCounter = new AtomicInteger(0); |
| |
| /** |
| * Add a network synchronously |
| * |
| * @return network id of the new network |
| */ |
| public int syncAddOrUpdateNetwork(AsyncChannel channel, WifiConfiguration config) { |
| Message resultMsg = channel.sendMessageSynchronously(CMD_ADD_OR_UPDATE_NETWORK, config); |
| if (messageIsNull(resultMsg)) return WifiConfiguration.INVALID_NETWORK_ID; |
| int result = resultMsg.arg1; |
| resultMsg.recycle(); |
| return result; |
| } |
| |
| /** |
| * Get configured networks synchronously |
| * |
| * @param channel |
| * @return |
| */ |
| public List<WifiConfiguration> syncGetConfiguredNetworks(int uuid, AsyncChannel channel, |
| int targetUid) { |
| Message resultMsg = channel.sendMessageSynchronously(CMD_GET_CONFIGURED_NETWORKS, uuid, |
| targetUid); |
| if (messageIsNull(resultMsg)) return null; |
| List<WifiConfiguration> result = (List<WifiConfiguration>) resultMsg.obj; |
| resultMsg.recycle(); |
| return result; |
| } |
| |
| /** |
| * Blocking call to get the current WifiConfiguration by a privileged caller so private data, |
| * like the password, is not redacted. |
| * |
| * @param channel AsyncChannel to use for the response |
| * @return List list of configured networks configs |
| */ |
| public List<WifiConfiguration> syncGetPrivilegedConfiguredNetwork(AsyncChannel channel) { |
| Message resultMsg = channel.sendMessageSynchronously( |
| CMD_GET_PRIVILEGED_CONFIGURED_NETWORKS); |
| if (messageIsNull(resultMsg)) return null; |
| List<WifiConfiguration> result = (List<WifiConfiguration>) resultMsg.obj; |
| resultMsg.recycle(); |
| return result; |
| } |
| |
| /** |
| * Returns the list of FQDN (Fully Qualified Domain Name) to installed Passpoint configurations. |
| * |
| * Return the map of all matching configurations 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}). |
| */ |
| @NonNull |
| Map<String, Map<Integer, List<ScanResult>>> syncGetAllMatchingFqdnsForScanResults( |
| List<ScanResult> scanResults, |
| AsyncChannel channel) { |
| Message resultMsg = channel.sendMessageSynchronously( |
| CMD_GET_ALL_MATCHING_FQDNS_FOR_SCAN_RESULTS, |
| scanResults); |
| if (messageIsNull(resultMsg)) return new HashMap<>(); |
| Map<String, Map<Integer, List<ScanResult>>> configs = |
| (Map<String, Map<Integer, List<ScanResult>>>) resultMsg.obj; |
| resultMsg.recycle(); |
| return configs; |
| } |
| |
| /** |
| * Retrieve a list of {@link OsuProvider} associated with the given list of ScanResult |
| * synchronously. |
| * |
| * @param scanResults a list of ScanResult that has Passpoint APs. |
| * @param channel Channel for communicating with the state machine |
| * @return Map that consists of {@link OsuProvider} and a matching list of {@link ScanResult}. |
| */ |
| @NonNull |
| public Map<OsuProvider, List<ScanResult>> syncGetMatchingOsuProviders( |
| List<ScanResult> scanResults, |
| AsyncChannel channel) { |
| Message resultMsg = |
| channel.sendMessageSynchronously(CMD_GET_MATCHING_OSU_PROVIDERS, scanResults); |
| if (messageIsNull(resultMsg)) return new HashMap<>(); |
| Map<OsuProvider, List<ScanResult>> providers = |
| (Map<OsuProvider, List<ScanResult>>) resultMsg.obj; |
| resultMsg.recycle(); |
| return providers; |
| } |
| |
| /** |
| * Returns the matching Passpoint configurations for given OSU(Online Sign-Up) Providers |
| * |
| * @param osuProviders a list of {@link OsuProvider} |
| * @param channel AsyncChannel to use for the response |
| * @return Map that consists of {@link OsuProvider} and matching {@link PasspointConfiguration}. |
| */ |
| @NonNull |
| public Map<OsuProvider, PasspointConfiguration> syncGetMatchingPasspointConfigsForOsuProviders( |
| List<OsuProvider> osuProviders, AsyncChannel channel) { |
| Message resultMsg = |
| channel.sendMessageSynchronously( |
| CMD_GET_MATCHING_PASSPOINT_CONFIGS_FOR_OSU_PROVIDERS, osuProviders); |
| if (messageIsNull(resultMsg)) return new HashMap<>(); |
| Map<OsuProvider, PasspointConfiguration> result = |
| (Map<OsuProvider, PasspointConfiguration>) resultMsg.obj; |
| resultMsg.recycle(); |
| return result; |
| } |
| |
| /** |
| * 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 |
| * @param channel AsyncChannel to use for the response |
| * @return List of {@link WifiConfiguration} converted from |
| * {@link com.android.server.wifi.hotspot2.PasspointProvider} |
| */ |
| @NonNull |
| public List<WifiConfiguration> syncGetWifiConfigsForPasspointProfiles(List<String> fqdnList, |
| AsyncChannel channel) { |
| Message resultMsg = |
| channel.sendMessageSynchronously( |
| CMD_GET_WIFI_CONFIGS_FOR_PASSPOINT_PROFILES, fqdnList); |
| if (messageIsNull(resultMsg)) return new ArrayList<>(); |
| List<WifiConfiguration> result = (List<WifiConfiguration>) resultMsg.obj; |
| resultMsg.recycle(); |
| return result; |
| } |
| |
| /** |
| * Add or update a Passpoint configuration synchronously. |
| * |
| * @param channel Channel for communicating with the state machine |
| * @param config The configuration to add or update |
| * @param packageName Package name of the app adding/updating {@code config}. |
| * @return true on success |
| */ |
| public boolean syncAddOrUpdatePasspointConfig(AsyncChannel channel, |
| PasspointConfiguration config, int uid, String packageName) { |
| Bundle bundle = new Bundle(); |
| bundle.putInt(EXTRA_UID, uid); |
| bundle.putString(EXTRA_PACKAGE_NAME, packageName); |
| bundle.putParcelable(EXTRA_PASSPOINT_CONFIGURATION, config); |
| Message resultMsg = channel.sendMessageSynchronously(CMD_ADD_OR_UPDATE_PASSPOINT_CONFIG, |
| bundle); |
| if (messageIsNull(resultMsg)) return false; |
| boolean result = (resultMsg.arg1 == SUCCESS); |
| resultMsg.recycle(); |
| return result; |
| } |
| |
| /** |
| * Remove a Passpoint configuration synchronously. |
| * |
| * @param channel Channel for communicating with the state machine |
| * @param fqdn The FQDN of the Passpoint configuration to remove |
| * @return true on success |
| */ |
| public boolean syncRemovePasspointConfig(AsyncChannel channel, String fqdn) { |
| Message resultMsg = channel.sendMessageSynchronously(CMD_REMOVE_PASSPOINT_CONFIG, |
| fqdn); |
| if (messageIsNull(resultMsg)) return false; |
| boolean result = (resultMsg.arg1 == SUCCESS); |
| resultMsg.recycle(); |
| return result; |
| } |
| |
| /** |
| * Get the list of installed Passpoint configurations synchronously. |
| * |
| * @param channel Channel for communicating with the state machine |
| * @return List of {@link PasspointConfiguration} |
| */ |
| public List<PasspointConfiguration> syncGetPasspointConfigs(AsyncChannel channel) { |
| Message resultMsg = channel.sendMessageSynchronously(CMD_GET_PASSPOINT_CONFIGS); |
| if (messageIsNull(resultMsg)) return null; |
| List<PasspointConfiguration> result = (List<PasspointConfiguration>) resultMsg.obj; |
| resultMsg.recycle(); |
| return result; |
| } |
| |
| /** |
| * Start subscription provisioning synchronously |
| * |
| * @param provider {@link OsuProvider} the provider to provision with |
| * @param callback {@link IProvisioningCallback} callback for provisioning status |
| * @return boolean true indicates provisioning was started, false otherwise |
| */ |
| public boolean syncStartSubscriptionProvisioning(int callingUid, OsuProvider provider, |
| IProvisioningCallback callback, AsyncChannel channel) { |
| Message msg = Message.obtain(); |
| msg.what = CMD_START_SUBSCRIPTION_PROVISIONING; |
| msg.arg1 = callingUid; |
| msg.obj = callback; |
| msg.getData().putParcelable(EXTRA_OSU_PROVIDER, provider); |
| Message resultMsg = channel.sendMessageSynchronously(msg); |
| if (messageIsNull(resultMsg)) return false; |
| boolean result = resultMsg.arg1 != 0; |
| resultMsg.recycle(); |
| return result; |
| } |
| |
| /** |
| * Get the supported feature set synchronously |
| */ |
| public long syncGetSupportedFeatures(AsyncChannel channel) { |
| Message resultMsg = channel.sendMessageSynchronously(CMD_GET_SUPPORTED_FEATURES); |
| if (messageIsNull(resultMsg)) return 0; |
| long supportedFeatureSet = ((Long) resultMsg.obj).longValue(); |
| resultMsg.recycle(); |
| |
| // Mask the feature set against system properties. |
| boolean rttSupported = mContext.getPackageManager().hasSystemFeature( |
| PackageManager.FEATURE_WIFI_RTT); |
| if (!rttSupported) { |
| supportedFeatureSet &= |
| ~(WifiManager.WIFI_FEATURE_D2D_RTT | WifiManager.WIFI_FEATURE_D2AP_RTT); |
| } |
| |
| return supportedFeatureSet; |
| } |
| |
| /** |
| * Get link layers stats for adapter synchronously |
| */ |
| public WifiLinkLayerStats syncGetLinkLayerStats(AsyncChannel channel) { |
| Message resultMsg = channel.sendMessageSynchronously(CMD_GET_LINK_LAYER_STATS); |
| if (messageIsNull(resultMsg)) return null; |
| WifiLinkLayerStats result = (WifiLinkLayerStats) resultMsg.obj; |
| resultMsg.recycle(); |
| return result; |
| } |
| |
| /** |
| * Delete a network |
| * |
| * @param networkId id of the network to be removed |
| */ |
| public boolean syncRemoveNetwork(AsyncChannel channel, int networkId) { |
| Message resultMsg = channel.sendMessageSynchronously(CMD_REMOVE_NETWORK, networkId); |
| if (messageIsNull(resultMsg)) return false; |
| boolean result = (resultMsg.arg1 != FAILURE); |
| resultMsg.recycle(); |
| return result; |
| } |
| |
| /** |
| * Enable a network |
| * |
| * @param netId network id of the network |
| * @param disableOthers true, if all other networks have to be disabled |
| * @return {@code true} if the operation succeeds, {@code false} otherwise |
| */ |
| public boolean syncEnableNetwork(AsyncChannel channel, int netId, boolean disableOthers) { |
| Message resultMsg = channel.sendMessageSynchronously(CMD_ENABLE_NETWORK, netId, |
| disableOthers ? 1 : 0); |
| if (messageIsNull(resultMsg)) return false; |
| boolean result = (resultMsg.arg1 != FAILURE); |
| resultMsg.recycle(); |
| return result; |
| } |
| |
| /** |
| * Disable a network |
| * |
| * @param netId network id of the network |
| * @return {@code true} if the operation succeeds, {@code false} otherwise |
| */ |
| public boolean syncDisableNetwork(AsyncChannel channel, int netId) { |
| Message resultMsg = channel.sendMessageSynchronously(WifiManager.DISABLE_NETWORK, netId); |
| boolean result = (resultMsg.what != WifiManager.DISABLE_NETWORK_FAILED); |
| if (messageIsNull(resultMsg)) return false; |
| resultMsg.recycle(); |
| return result; |
| } |
| |
| /** |
| * Method to enable/disable RSSI polling |
| * @param enabled boolean idicating if polling should start |
| */ |
| public void enableRssiPolling(boolean enabled) { |
| sendMessage(CMD_ENABLE_RSSI_POLL, enabled ? 1 : 0, 0); |
| } |
| |
| /** |
| * Set high performance mode of operation. |
| * Enabling would set active power mode and disable suspend optimizations; |
| * disabling would set auto power mode and enable suspend optimizations |
| * |
| * @param enable true if enable, false otherwise |
| */ |
| public void setHighPerfModeEnabled(boolean enable) { |
| sendMessage(CMD_SET_HIGH_PERF_MODE, enable ? 1 : 0, 0); |
| } |
| |
| |
| /** |
| * reset cached SIM credential data |
| */ |
| public synchronized void resetSimAuthNetworks(boolean simPresent) { |
| sendMessage(CMD_RESET_SIM_NETWORKS, simPresent ? 1 : 0); |
| } |
| |
| /** |
| * Get Network object of current wifi network |
| * @return Network object of current wifi network |
| */ |
| public Network getCurrentNetwork() { |
| synchronized (mNetworkAgentLock) { |
| if (mNetworkAgent != null) { |
| return new Network(mNetworkAgent.netId); |
| } else { |
| return null; |
| } |
| } |
| } |
| |
| /** |
| * Enable TDLS for a specific MAC address |
| */ |
| public void enableTdls(String remoteMacAddress, boolean enable) { |
| int enabler = enable ? 1 : 0; |
| sendMessage(CMD_ENABLE_TDLS, enabler, 0, remoteMacAddress); |
| } |
| |
| /** |
| * Send a message indicating bluetooth adapter connection state changed |
| */ |
| public void sendBluetoothAdapterStateChange(int state) { |
| sendMessage(CMD_BLUETOOTH_ADAPTER_STATE_CHANGE, state, 0); |
| } |
| |
| /** |
| * Send a message indicating a package has been uninstalled. |
| */ |
| public void removeAppConfigs(String packageName, int uid) { |
| // Build partial AppInfo manually - package may not exist in database any more |
| ApplicationInfo ai = new ApplicationInfo(); |
| ai.packageName = packageName; |
| ai.uid = uid; |
| sendMessage(CMD_REMOVE_APP_CONFIGURATIONS, ai); |
| } |
| |
| /** |
| * Send a message indicating a user has been removed. |
| */ |
| public void removeUserConfigs(int userId) { |
| sendMessage(CMD_REMOVE_USER_CONFIGURATIONS, userId); |
| } |
| |
| /** |
| * Update the BatteryStats WorkSource. |
| */ |
| public void updateBatteryWorkSource(WorkSource newSource) { |
| synchronized (mRunningWifiUids) { |
| try { |
| if (newSource != null) { |
| mRunningWifiUids.set(newSource); |
| } |
| if (mIsRunning) { |
| if (mReportedRunning) { |
| // If the work source has changed since last time, need |
| // to remove old work from battery stats. |
| if (!mLastRunningWifiUids.equals(mRunningWifiUids)) { |
| mBatteryStats.noteWifiRunningChanged(mLastRunningWifiUids, |
| mRunningWifiUids); |
| mLastRunningWifiUids.set(mRunningWifiUids); |
| } |
| } else { |
| // Now being started, report it. |
| mBatteryStats.noteWifiRunning(mRunningWifiUids); |
| mLastRunningWifiUids.set(mRunningWifiUids); |
| mReportedRunning = true; |
| } |
| } else { |
| if (mReportedRunning) { |
| // Last reported we were running, time to stop. |
| mBatteryStats.noteWifiStopped(mLastRunningWifiUids); |
| mLastRunningWifiUids.clear(); |
| mReportedRunning = false; |
| } |
| } |
| mWakeLock.setWorkSource(newSource); |
| } catch (RemoteException ignore) { |
| } |
| } |
| } |
| |
| /** |
| * Trigger dump on the class IpClient object. |
| */ |
| public void dumpIpClient(FileDescriptor fd, PrintWriter pw, String[] args) { |
| if (mIpClient != null) { |
| // All dumpIpClient does is print this log message. |
| // TODO: consider deleting this, since it's not useful. |
| pw.println("IpClient logs have moved to dumpsys network_stack"); |
| } |
| } |
| |
| @Override |
| public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| super.dump(fd, pw, args); |
| mSupplicantStateTracker.dump(fd, pw, args); |
| pw.println("mLinkProperties " + mLinkProperties); |
| pw.println("mWifiInfo " + mWifiInfo); |
| pw.println("mDhcpResults " + mDhcpResults); |
| pw.println("mNetworkInfo " + mNetworkInfo); |
| pw.println("mLastSignalLevel " + mLastSignalLevel); |
| pw.println("mLastBssid " + mLastBssid); |
| pw.println("mLastNetworkId " + mLastNetworkId); |
| pw.println("mOperationalMode " + mOperationalMode); |
| pw.println("mUserWantsSuspendOpt " + mUserWantsSuspendOpt); |
| pw.println("mSuspendOptNeedsDisabled " + mSuspendOptNeedsDisabled); |
| mCountryCode.dump(fd, pw, args); |
| mNetworkFactory.dump(fd, pw, args); |
| mUntrustedNetworkFactory.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(); |
| mWifiDiagnostics.captureBugReportData(WifiDiagnostics.REPORT_REASON_USER_ACTION); |
| mWifiDiagnostics.dump(fd, pw, args); |
| dumpIpClient(fd, pw, args); |
| mWifiConnectivityManager.dump(fd, pw, args); |
| mWifiInjector.getWakeupController().dump(fd, pw, args); |
| mLinkProbeManager.dump(fd, pw, args); |
| mWifiInjector.getWifiLastResortWatchdog().dump(fd, pw, args); |
| } |
| |
| /** |
| * Trigger message to handle boot completed event. |
| */ |
| public void handleBootCompleted() { |
| sendMessage(CMD_BOOT_COMPLETED); |
| } |
| |
| /** |
| * Trigger message to handle user switch event. |
| */ |
| public void handleUserSwitch(int userId) { |
| sendMessage(CMD_USER_SWITCH, userId); |
| } |
| |
| /** |
| * Trigger message to handle user unlock event. |
| */ |
| public void handleUserUnlock(int userId) { |
| sendMessage(CMD_USER_UNLOCK, userId); |
| } |
| |
| /** |
| * Trigger message to handle user stop event. |
| */ |
| public void handleUserStop(int userId) { |
| sendMessage(CMD_USER_STOP, userId); |
| } |
| |
| /** |
| * ****************************************************** |
| * Internal private functions |
| * ****************************************************** |
| */ |
| |
| private void logStateAndMessage(Message message, State state) { |
| mMessageHandlingStatus = 0; |
| if (mVerboseLoggingEnabled) { |
| logd(" " + state.getClass().getSimpleName() + " " + getLogRecString(message)); |
| } |
| } |
| |
| @Override |
| protected boolean recordLogRec(Message msg) { |
| switch (msg.what) { |
| case CMD_RSSI_POLL: |
| return mVerboseLoggingEnabled; |
| default: |
| return true; |
| } |
| } |
| |
| /** |
| * Return the additional string to be logged by LogRec, default |
| * |
| * @param msg that was processed |
| * @return information to be logged as a String |
| */ |
| @Override |
| protected String getLogRecString(Message msg) { |
| WifiConfiguration config; |
| Long now; |
| String report; |
| String key; |
| StringBuilder sb = new StringBuilder(); |
| sb.append("screen=").append(mScreenOn ? "on" : "off"); |
| if (mMessageHandlingStatus != MESSAGE_HANDLING_STATUS_UNKNOWN) { |
| sb.append("(").append(mMessageHandlingStatus).append(")"); |
| } |
| if (msg.sendingUid > 0 && msg.sendingUid != Process.WIFI_UID) { |
| sb.append(" uid=" + msg.sendingUid); |
| } |
| switch (msg.what) { |
| case WifiMonitor.SUPPLICANT_STATE_CHANGE_EVENT: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| StateChangeResult stateChangeResult = (StateChangeResult) msg.obj; |
| if (stateChangeResult != null) { |
| sb.append(stateChangeResult.toString()); |
| } |
| break; |
| case WifiManager.SAVE_NETWORK: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| config = (WifiConfiguration) msg.obj; |
| if (config != null) { |
| sb.append(" ").append(config.configKey()); |
| sb.append(" nid=").append(config.networkId); |
| if (config.hiddenSSID) { |
| sb.append(" hidden"); |
| } |
| if (config.preSharedKey != null |
| && !config.preSharedKey.equals("*")) { |
| sb.append(" hasPSK"); |
| } |
| if (config.ephemeral) { |
| sb.append(" ephemeral"); |
| } |
| if (config.selfAdded) { |
| sb.append(" selfAdded"); |
| } |
| sb.append(" cuid=").append(config.creatorUid); |
| sb.append(" suid=").append(config.lastUpdateUid); |
| } |
| break; |
| case WifiManager.FORGET_NETWORK: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| config = (WifiConfiguration) msg.obj; |
| if (config != null) { |
| sb.append(" ").append(config.configKey()); |
| sb.append(" nid=").append(config.networkId); |
| if (config.hiddenSSID) { |
| sb.append(" hidden"); |
| } |
| if (config.preSharedKey != null) { |
| sb.append(" hasPSK"); |
| } |
| if (config.ephemeral) { |
| sb.append(" ephemeral"); |
| } |
| if (config.selfAdded) { |
| sb.append(" selfAdded"); |
| } |
| sb.append(" cuid=").append(config.creatorUid); |
| sb.append(" suid=").append(config.lastUpdateUid); |
| WifiConfiguration.NetworkSelectionStatus netWorkSelectionStatus = |
| config.getNetworkSelectionStatus(); |
| sb.append(" ajst=").append( |
| netWorkSelectionStatus.getNetworkStatusString()); |
| } |
| break; |
| case WifiMonitor.ASSOCIATION_REJECTION_EVENT: |
| sb.append(" "); |
| sb.append(" timedOut=" + Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| String bssid = (String) msg.obj; |
| if (bssid != null && bssid.length() > 0) { |
| sb.append(" "); |
| sb.append(bssid); |
| } |
| sb.append(" blacklist=" + Boolean.toString(mDidBlackListBSSID)); |
| break; |
| case WifiMonitor.NETWORK_CONNECTION_EVENT: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| sb.append(" ").append(mLastBssid); |
| sb.append(" nid=").append(mLastNetworkId); |
| config = getCurrentWifiConfiguration(); |
| if (config != null) { |
| sb.append(" ").append(config.configKey()); |
| } |
| key = mWifiConfigManager.getLastSelectedNetworkConfigKey(); |
| if (key != null) { |
| sb.append(" last=").append(key); |
| } |
| break; |
| case CMD_TARGET_BSSID: |
| case CMD_ASSOCIATED_BSSID: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| if (msg.obj != null) { |
| sb.append(" BSSID=").append((String) msg.obj); |
| } |
| if (mTargetRoamBSSID != null) { |
| sb.append(" Target=").append(mTargetRoamBSSID); |
| } |
| sb.append(" roam=").append(Boolean.toString(mIsAutoRoaming)); |
| break; |
| case WifiMonitor.NETWORK_DISCONNECTION_EVENT: |
| if (msg.obj != null) { |
| sb.append(" ").append((String) msg.obj); |
| } |
| sb.append(" nid=").append(msg.arg1); |
| sb.append(" reason=").append(msg.arg2); |
| if (mLastBssid != null) { |
| sb.append(" lastbssid=").append(mLastBssid); |
| } |
| if (mWifiInfo.getFrequency() != -1) { |
| sb.append(" freq=").append(mWifiInfo.getFrequency()); |
| sb.append(" rssi=").append(mWifiInfo.getRssi()); |
| } |
| break; |
| case CMD_RSSI_POLL: |
| case CMD_ONESHOT_RSSI_POLL: |
| case CMD_UNWANTED_NETWORK: |
| case WifiManager.RSSI_PKTCNT_FETCH: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| if (mWifiInfo.getSSID() != null) { |
| if (mWifiInfo.getSSID() != null) { |
| sb.append(" ").append(mWifiInfo.getSSID()); |
| } |
| } |
| if (mWifiInfo.getBSSID() != null) { |
| sb.append(" ").append(mWifiInfo.getBSSID()); |
| } |
| sb.append(" rssi=").append(mWifiInfo.getRssi()); |
| sb.append(" f=").append(mWifiInfo.getFrequency()); |
| sb.append(" sc=").append(mWifiInfo.score); |
| sb.append(" link=").append(mWifiInfo.getLinkSpeed()); |
| sb.append(String.format(" tx=%.1f,", mWifiInfo.txSuccessRate)); |
| sb.append(String.format(" %.1f,", mWifiInfo.txRetriesRate)); |
| sb.append(String.format(" %.1f ", mWifiInfo.txBadRate)); |
| sb.append(String.format(" rx=%.1f", mWifiInfo.rxSuccessRate)); |
| sb.append(String.format(" bcn=%d", mRunningBeaconCount)); |
| report = reportOnTime(); |
| if (report != null) { |
| sb.append(" ").append(report); |
| } |
| sb.append(String.format(" score=%d", mWifiInfo.score)); |
| break; |
| case CMD_START_CONNECT: |
| case WifiManager.CONNECT_NETWORK: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| config = mWifiConfigManager.getConfiguredNetwork(msg.arg1); |
| if (config != null) { |
| sb.append(" ").append(config.configKey()); |
| } |
| if (mTargetRoamBSSID != null) { |
| sb.append(" ").append(mTargetRoamBSSID); |
| } |
| sb.append(" roam=").append(Boolean.toString(mIsAutoRoaming)); |
| config = getCurrentWifiConfiguration(); |
| if (config != null) { |
| sb.append(config.configKey()); |
| } |
| break; |
| case CMD_START_ROAM: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| ScanResult result = (ScanResult) msg.obj; |
| if (result != null) { |
| now = mClock.getWallClockMillis(); |
| sb.append(" bssid=").append(result.BSSID); |
| sb.append(" rssi=").append(result.level); |
| sb.append(" freq=").append(result.frequency); |
| if (result.seen > 0 && result.seen < now) { |
| sb.append(" seen=").append(now - result.seen); |
| } else { |
| // Somehow the timestamp for this scan result is inconsistent |
| sb.append(" !seen=").append(result.seen); |
| } |
| } |
| if (mTargetRoamBSSID != null) { |
| sb.append(" ").append(mTargetRoamBSSID); |
| } |
| sb.append(" roam=").append(Boolean.toString(mIsAutoRoaming)); |
| sb.append(" fail count=").append(Integer.toString(mRoamFailCount)); |
| break; |
| case CMD_ADD_OR_UPDATE_NETWORK: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| if (msg.obj != null) { |
| config = (WifiConfiguration) msg.obj; |
| sb.append(" ").append(config.configKey()); |
| sb.append(" prio=").append(config.priority); |
| sb.append(" status=").append(config.status); |
| if (config.BSSID != null) { |
| sb.append(" ").append(config.BSSID); |
| } |
| WifiConfiguration curConfig = getCurrentWifiConfiguration(); |
| if (curConfig != null) { |
| if (curConfig.configKey().equals(config.configKey())) { |
| sb.append(" is current"); |
| } else { |
| sb.append(" current=").append(curConfig.configKey()); |
| sb.append(" prio=").append(curConfig.priority); |
| sb.append(" status=").append(curConfig.status); |
| } |
| } |
| } |
| break; |
| case WifiManager.DISABLE_NETWORK: |
| case CMD_ENABLE_NETWORK: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| key = mWifiConfigManager.getLastSelectedNetworkConfigKey(); |
| if (key != null) { |
| sb.append(" last=").append(key); |
| } |
| config = mWifiConfigManager.getConfiguredNetwork(msg.arg1); |
| if (config != null && (key == null || !config.configKey().equals(key))) { |
| sb.append(" target=").append(key); |
| } |
| break; |
| case CMD_GET_CONFIGURED_NETWORKS: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| sb.append(" num=").append(mWifiConfigManager.getConfiguredNetworks().size()); |
| break; |
| case CMD_PRE_DHCP_ACTION: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| sb.append(" txpkts=").append(mWifiInfo.txSuccess); |
| sb.append(",").append(mWifiInfo.txBad); |
| sb.append(",").append(mWifiInfo.txRetries); |
| break; |
| case CMD_POST_DHCP_ACTION: |
| if (mLinkProperties != null) { |
| sb.append(" "); |
| sb.append(getLinkPropertiesSummary(mLinkProperties)); |
| } |
| break; |
| case WifiP2pServiceImpl.P2P_CONNECTION_CHANGED: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| if (msg.obj != null) { |
| NetworkInfo info = (NetworkInfo) msg.obj; |
| NetworkInfo.State state = info.getState(); |
| NetworkInfo.DetailedState detailedState = info.getDetailedState(); |
| if (state != null) { |
| sb.append(" st=").append(state); |
| } |
| if (detailedState != null) { |
| sb.append("/").append(detailedState); |
| } |
| } |
| break; |
| case CMD_IP_CONFIGURATION_LOST: |
| int count = -1; |
| WifiConfiguration c = getCurrentWifiConfiguration(); |
| if (c != null) { |
| count = c.getNetworkSelectionStatus().getDisableReasonCounter( |
| WifiConfiguration.NetworkSelectionStatus.DISABLED_DHCP_FAILURE); |
| } |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| sb.append(" failures: "); |
| sb.append(Integer.toString(count)); |
| sb.append("/"); |
| sb.append(Integer.toString(mFacade.getIntegerSetting( |
| mContext, Settings.Global.WIFI_MAX_DHCP_RETRY_COUNT, 0))); |
| if (mWifiInfo.getBSSID() != null) { |
| sb.append(" ").append(mWifiInfo.getBSSID()); |
| } |
| sb.append(String.format(" bcn=%d", mRunningBeaconCount)); |
| break; |
| case CMD_UPDATE_LINKPROPERTIES: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| if (mLinkProperties != null) { |
| sb.append(" "); |
| sb.append(getLinkPropertiesSummary(mLinkProperties)); |
| } |
| break; |
| case CMD_IP_REACHABILITY_LOST: |
| if (msg.obj != null) { |
| sb.append(" ").append((String) msg.obj); |
| } |
| break; |
| case CMD_INSTALL_PACKET_FILTER: |
| sb.append(" len=" + ((byte[]) msg.obj).length); |
| break; |
| case CMD_SET_FALLBACK_PACKET_FILTERING: |
| sb.append(" enabled=" + (boolean) msg.obj); |
| break; |
| case CMD_ROAM_WATCHDOG_TIMER: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| sb.append(" cur=").append(mRoamWatchdogCount); |
| break; |
| case CMD_DISCONNECTING_WATCHDOG_TIMER: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| sb.append(" cur=").append(mDisconnectingWatchdogCount); |
| break; |
| case CMD_START_RSSI_MONITORING_OFFLOAD: |
| case CMD_STOP_RSSI_MONITORING_OFFLOAD: |
| case CMD_RSSI_THRESHOLD_BREACHED: |
| sb.append(" rssi="); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" thresholds="); |
| sb.append(Arrays.toString(mRssiRanges)); |
| break; |
| case CMD_USER_SWITCH: |
| sb.append(" userId="); |
| sb.append(Integer.toString(msg.arg1)); |
| break; |
| case CMD_IPV4_PROVISIONING_SUCCESS: |
| sb.append(" "); |
| sb.append(/* DhcpResults */ msg.obj); |
| break; |
| default: |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg1)); |
| sb.append(" "); |
| sb.append(Integer.toString(msg.arg2)); |
| break; |
| } |
| |
| return sb.toString(); |
| } |
| |
| @Override |
| protected String getWhatToString(int what) { |
| String s = sGetWhatToString.get(what); |
| if (s != null) { |
| return s; |
| } |
| switch (what) { |
| case AsyncChannel.CMD_CHANNEL_HALF_CONNECTED: |
| s = "CMD_CHANNEL_HALF_CONNECTED"; |
| break; |
| case AsyncChannel.CMD_CHANNEL_DISCONNECTED: |
| s = "CMD_CHANNEL_DISCONNECTED"; |
| break; |
| case WifiManager.DISABLE_NETWORK: |
| s = "DISABLE_NETWORK"; |
| break; |
| case WifiManager.CONNECT_NETWORK: |
| s = "CONNECT_NETWORK"; |
| break; |
| case WifiManager.SAVE_NETWORK: |
| s = "SAVE_NETWORK"; |
| break; |
| case WifiManager.FORGET_NETWORK: |
| s = "FORGET_NETWORK"; |
| break; |
| case WifiMonitor.SUPPLICANT_STATE_CHANGE_EVENT: |
| s = "SUPPLICANT_STATE_CHANGE_EVENT"; |
| break; |
| case WifiMonitor.AUTHENTICATION_FAILURE_EVENT: |
| s = "AUTHENTICATION_FAILURE_EVENT"; |
| break; |
| case WifiMonitor.SUP_REQUEST_IDENTITY: |
| s = "SUP_REQUEST_IDENTITY"; |
| break; |
| case WifiMonitor.NETWORK_CONNECTION_EVENT: |
| s = "NETWORK_CONNECTION_EVENT"; |
| break; |
| case WifiMonitor.NETWORK_DISCONNECTION_EVENT: |
| s = "NETWORK_DISCONNECTION_EVENT"; |
| break; |
| case WifiMonitor.ASSOCIATION_REJECTION_EVENT: |
| s = "ASSOCIATION_REJECTION_EVENT"; |
| break; |
| case WifiMonitor.ANQP_DONE_EVENT: |
| s = "ANQP_DONE_EVENT"; |
| break; |
| case WifiMonitor.RX_HS20_ANQP_ICON_EVENT: |
| s = "RX_HS20_ANQP_ICON_EVENT"; |
| break; |
| case WifiMonitor.GAS_QUERY_DONE_EVENT: |
| s = "GAS_QUERY_DONE_EVENT"; |
| break; |
| case WifiMonitor.HS20_REMEDIATION_EVENT: |
| s = "HS20_REMEDIATION_EVENT"; |
| break; |
| case WifiMonitor.GAS_QUERY_START_EVENT: |
| s = "GAS_QUERY_START_EVENT"; |
| break; |
| case WifiP2pServiceImpl.GROUP_CREATING_TIMED_OUT: |
| s = "GROUP_CREATING_TIMED_OUT"; |
| break; |
| case WifiP2pServiceImpl.P2P_CONNECTION_CHANGED: |
| s = "P2P_CONNECTION_CHANGED"; |
| break; |
| case WifiP2pServiceImpl.DISCONNECT_WIFI_REQUEST: |
| s = "DISCONNECT_WIFI_REQUEST"; |
| break; |
| case WifiP2pServiceImpl.DISCONNECT_WIFI_RESPONSE: |
| s = "DISCONNECT_WIFI_RESPONSE"; |
| break; |
| case WifiP2pServiceImpl.SET_MIRACAST_MODE: |
| s = "SET_MIRACAST_MODE"; |
| break; |
| case WifiP2pServiceImpl.BLOCK_DISCOVERY: |
| s = "BLOCK_DISCOVERY"; |
| break; |
| case WifiManager.RSSI_PKTCNT_FETCH: |
| s = "RSSI_PKTCNT_FETCH"; |
| break; |
| default: |
| s = "what:" + Integer.toString(what); |
| break; |
| } |
| return s; |
| } |
| |
| private void handleScreenStateChanged(boolean screenOn) { |
| mScreenOn = screenOn; |
| if (mVerboseLoggingEnabled) { |
| logd(" handleScreenStateChanged Enter: screenOn=" + screenOn |
| + " mUserWantsSuspendOpt=" + mUserWantsSuspendOpt |
| + " state " + getCurrentState().getName() |
| + " suppState:" + mSupplicantStateTracker.getSupplicantStateName()); |
| } |
| enableRssiPolling(screenOn); |
| if (mUserWantsSuspendOpt.get()) { |
| int shouldReleaseWakeLock = 0; |
| if (screenOn) { |
| sendMessage(CMD_SET_SUSPEND_OPT_ENABLED, 0, shouldReleaseWakeLock); |
| } else { |
| if (isConnected()) { |
| // Allow 2s for suspend optimizations to be set |
| mSuspendWakeLock.acquire(2000); |
| shouldReleaseWakeLock = 1; |
| } |
| sendMessage(CMD_SET_SUSPEND_OPT_ENABLED, 1, shouldReleaseWakeLock); |
| } |
| } |
| |
| getWifiLinkLayerStats(); |
| mOnTimeScreenStateChange = mOnTime; |
| mLastScreenStateChangeTimeStamp = mLastLinkLayerStatsUpdate; |
| |
| mWifiMetrics.setScreenState(screenOn); |
| |
| mWifiConnectivityManager.handleScreenStateChanged(screenOn); |
| mNetworkFactory.handleScreenStateChanged(screenOn); |
| |
| WifiLockManager wifiLockManager = mWifiInjector.getWifiLockManager(); |
| if (wifiLockManager == null) { |
| Log.w(TAG, "WifiLockManager not initialized, skipping screen state notification"); |
| } else { |
| wifiLockManager.handleScreenStateChanged(screenOn); |
| } |
| |
| mSarManager.handleScreenStateChanged(screenOn); |
| |
| if (mVerboseLoggingEnabled) log("handleScreenStateChanged Exit: " + screenOn); |
| } |
| |
| private boolean checkAndSetConnectivityInstance() { |
| if (mCm == null) { |
| mCm = (ConnectivityManager) mContext.getSystemService(Context.CONNECTIVITY_SERVICE); |
| } |
| if (mCm == null) { |
| Log.e(TAG, "Cannot retrieve connectivity service"); |
| return false; |
| } |
| return true; |
| } |
| |
| private void setSuspendOptimizationsNative(int reason, boolean enabled) { |
| if (mVerboseLoggingEnabled) { |
| log("setSuspendOptimizationsNative: " + reason + " " + enabled |
| + " -want " + mUserWantsSuspendOpt.get() |
| + " stack:" + Thread.currentThread().getStackTrace()[2].getMethodName() |
| + " - " + Thread.currentThread().getStackTrace()[3].getMethodName() |
| + " - " + Thread.currentThread().getStackTrace()[4].getMethodName() |
| + " - " + Thread.currentThread().getStackTrace()[5].getMethodName()); |
| } |
| //mWifiNative.setSuspendOptimizations(enabled); |
| |
| if (enabled) { |
| mSuspendOptNeedsDisabled &= ~reason; |
| /* None of dhcp, screen or highperf need it disabled and user wants it enabled */ |
| if (mSuspendOptNeedsDisabled == 0 && mUserWantsSuspendOpt.get()) { |
| if (mVerboseLoggingEnabled) { |
| log("setSuspendOptimizationsNative do it " + reason + " " + enabled |
| + " stack:" + Thread.currentThread().getStackTrace()[2].getMethodName() |
| + " - " + Thread.currentThread().getStackTrace()[3].getMethodName() |
| + " - " + Thread.currentThread().getStackTrace()[4].getMethodName() |
| + " - " + Thread.currentThread().getStackTrace()[5].getMethodName()); |
| } |
| mWifiNative.setSuspendOptimizations(mInterfaceName, true); |
| } |
| } else { |
| mSuspendOptNeedsDisabled |= reason; |
| mWifiNative.setSuspendOptimizations(mInterfaceName, false); |
| } |
| } |
| |
| /** |
| * Makes a record of the user intent about suspend optimizations. |
| */ |
| private void setSuspendOptimizations(int reason, boolean enabled) { |
| if (mVerboseLoggingEnabled) log("setSuspendOptimizations: " + reason + " " + enabled); |
| if (enabled) { |
| mSuspendOptNeedsDisabled &= ~reason; |
| } else { |
| mSuspendOptNeedsDisabled |= reason; |
| } |
| if (mVerboseLoggingEnabled) log("mSuspendOptNeedsDisabled " + mSuspendOptNeedsDisabled); |
| } |
| |
| /* |
| * Fetch RSSI, linkspeed, and frequency on current connection |
| */ |
| private void fetchRssiLinkSpeedAndFrequencyNative() { |
| WifiNative.SignalPollResult pollResult = mWifiNative.signalPoll(mInterfaceName); |
| if (pollResult == null) { |
| return; |
| } |
| |
| int newRssi = pollResult.currentRssi; |
| int newTxLinkSpeed = pollResult.txBitrate; |
| int newFrequency = pollResult.associationFrequency; |
| int newRxLinkSpeed = pollResult.rxBitrate; |
| |
| if (mVerboseLoggingEnabled) { |
| logd("fetchRssiLinkSpeedAndFrequencyNative rssi=" + newRssi |
| + " TxLinkspeed=" + newTxLinkSpeed + " freq=" + newFrequency |
| + " RxLinkSpeed=" + newRxLinkSpeed); |
| } |
| |
| if (newRssi > WifiInfo.INVALID_RSSI && newRssi < WifiInfo.MAX_RSSI) { |
| // screen out invalid values |
| /* some implementations avoid negative values by adding 256 |
| * so we need to adjust for that here. |
| */ |
| if (newRssi > 0) { |
| Log.wtf(TAG, "Error! +ve value RSSI: " + newRssi); |
| newRssi -= 256; |
| } |
| mWifiInfo.setRssi(newRssi); |
| /* |
| * Rather then sending the raw RSSI out every time it |
| * changes, we precalculate the signal level that would |
| * be displayed in the status bar, and only send the |
| * broadcast if that much more coarse-grained number |
| * changes. This cuts down greatly on the number of |
| * broadcasts, at the cost of not informing others |
| * interested in RSSI of all the changes in signal |
| * level. |
| */ |
| int newSignalLevel = WifiManager.calculateSignalLevel(newRssi, WifiManager.RSSI_LEVELS); |
| if (newSignalLevel != mLastSignalLevel) { |
| updateCapabilities(); |
| sendRssiChangeBroadcast(newRssi); |
| } |
| mLastSignalLevel = newSignalLevel; |
| } else { |
| mWifiInfo.setRssi(WifiInfo.INVALID_RSSI); |
| updateCapabilities(); |
| } |
| /* |
| * set Tx link speed only if it is valid |
| */ |
| if (newTxLinkSpeed > 0) { |
| mWifiInfo.setLinkSpeed(newTxLinkSpeed); |
| mWifiInfo.setTxLinkSpeedMbps(newTxLinkSpeed); |
| } |
| /* |
| * set Rx link speed only if it is valid |
| */ |
| if (newRxLinkSpeed > 0) { |
| mWifiInfo.setRxLinkSpeedMbps(newRxLinkSpeed); |
| } |
| if (newFrequency > 0) { |
| mWifiInfo.setFrequency(newFrequency); |
| } |
| mWifiConfigManager.updateScanDetailCacheFromWifiInfo(mWifiInfo); |
| /* |
| * Increment various performance metrics |
| */ |
| mWifiMetrics.handlePollResult(mWifiInfo); |
| } |
| |
| // Polling has completed, hence we won't have a score anymore |
| private void cleanWifiScore() { |
| mWifiInfo.txBadRate = 0; |
| mWifiInfo.txSuccessRate = 0; |
| mWifiInfo.txRetriesRate = 0; |
| mWifiInfo.rxSuccessRate = 0; |
| mWifiScoreReport.reset(); |
| mLastLinkLayerStats = null; |
| } |
| |
| private void updateLinkProperties(LinkProperties newLp) { |
| if (mVerboseLoggingEnabled) { |
| log("Link configuration changed for netId: " + mLastNetworkId |
| + " old: " + mLinkProperties + " new: " + newLp); |
| } |
| // We own this instance of LinkProperties because IpClient passes us a copy. |
| mLinkProperties = newLp; |
| if (mNetworkAgent != null) { |
| mNetworkAgent.sendLinkProperties(mLinkProperties); |
| } |
| |
| if (getNetworkDetailedState() == DetailedState.CONNECTED) { |
| // If anything has changed and we're already connected, send out a notification. |
| // TODO: Update all callers to use NetworkCallbacks and delete this. |
| sendLinkConfigurationChangedBroadcast(); |
| } |
| |
| if (mVerboseLoggingEnabled) { |
| StringBuilder sb = new StringBuilder(); |
| sb.append("updateLinkProperties nid: " + mLastNetworkId); |
| sb.append(" state: " + getNetworkDetailedState()); |
| |
| if (mLinkProperties != null) { |
| sb.append(" "); |
| sb.append(getLinkPropertiesSummary(mLinkProperties)); |
| } |
| logd(sb.toString()); |
| } |
| } |
| |
| /** |
| * Clears all our link properties. |
| */ |
| private void clearLinkProperties() { |
| // Clear the link properties obtained from DHCP. The only caller of this |
| // function has already called IpClient#stop(), which clears its state. |
| synchronized (mDhcpResultsLock) { |
| if (mDhcpResults != null) { |
| mDhcpResults.clear(); |
| } |
| } |
| |
| // Now clear the merged link properties. |
| mLinkProperties.clear(); |
| if (mNetworkAgent != null) mNetworkAgent.sendLinkProperties(mLinkProperties); |
| } |
| |
| private void sendRssiChangeBroadcast(final int newRssi) { |
| try { |
| mBatteryStats.noteWifiRssiChanged(newRssi); |
| } catch (RemoteException e) { |
| // Won't happen. |
| } |
| StatsLog.write(StatsLog.WIFI_SIGNAL_STRENGTH_CHANGED, |
| WifiManager.calculateSignalLevel(newRssi, WifiManager.RSSI_LEVELS)); |
| |
| Intent intent = new Intent(WifiManager.RSSI_CHANGED_ACTION); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| intent.putExtra(WifiManager.EXTRA_NEW_RSSI, newRssi); |
| mContext.sendBroadcastAsUser(intent, UserHandle.ALL, |
| android.Manifest.permission.ACCESS_WIFI_STATE); |
| } |
| |
| private void sendNetworkStateChangeBroadcast(String bssid) { |
| Intent intent = new Intent(WifiManager.NETWORK_STATE_CHANGED_ACTION); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| NetworkInfo networkInfo = new NetworkInfo(mNetworkInfo); |
| networkInfo.setExtraInfo(null); |
| intent.putExtra(WifiManager.EXTRA_NETWORK_INFO, networkInfo); |
| //TODO(b/69974497) This should be non-sticky, but settings needs fixing first. |
| mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL); |
| } |
| |
| private void sendLinkConfigurationChangedBroadcast() { |
| Intent intent = new Intent(WifiManager.LINK_CONFIGURATION_CHANGED_ACTION); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| intent.putExtra(WifiManager.EXTRA_LINK_PROPERTIES, new LinkProperties(mLinkProperties)); |
| mContext.sendBroadcastAsUser(intent, UserHandle.ALL); |
| } |
| |
| /** |
| * Helper method used to send state about supplicant - This is NOT information about the current |
| * wifi connection state. |
| * |
| * TODO: b/79504296 This broadcast has been deprecated and should be removed |
| */ |
| private void sendSupplicantConnectionChangedBroadcast(boolean connected) { |
| Intent intent = new Intent(WifiManager.SUPPLICANT_CONNECTION_CHANGE_ACTION); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); |
| intent.putExtra(WifiManager.EXTRA_SUPPLICANT_CONNECTED, connected); |
| mContext.sendBroadcastAsUser(intent, UserHandle.ALL); |
| } |
| |
| /** |
| * Record the detailed state of a network. |
| * |
| * @param state the new {@code DetailedState} |
| */ |
| private boolean setNetworkDetailedState(NetworkInfo.DetailedState state) { |
| boolean hidden = false; |
| |
| if (mIsAutoRoaming) { |
| // There is generally a confusion in the system about colluding |
| // WiFi Layer 2 state (as reported by supplicant) and the Network state |
| // which leads to multiple confusion. |
| // |
| // If link is roaming, we already have an IP address |
| // as well we were connected and are doing L2 cycles of |
| // reconnecting or renewing IP address to check that we still have it |
| // This L2 link flapping should ne be reflected into the Network state |
| // which is the state of the WiFi Network visible to Layer 3 and applications |
| // Note that once roaming is completed, we will |
| // set the Network state to where it should be, or leave it as unchanged |
| // |
| hidden = true; |
| } |
| if (mVerboseLoggingEnabled) { |
| log("setDetailed state, old =" |
| + mNetworkInfo.getDetailedState() + " and new state=" + state |
| + " hidden=" + hidden); |
| } |
| if (hidden) { |
| return false; |
| } |
| |
| if (state != mNetworkInfo.getDetailedState()) { |
| mNetworkInfo.setDetailedState(state, null, null); |
| if (mNetworkAgent != null) { |
| mNetworkAgent.sendNetworkInfo(mNetworkInfo); |
| } |
| sendNetworkStateChangeBroadcast(null); |
| return true; |
| } |
| return false; |
| } |
| |
| private DetailedState getNetworkDetailedState() { |
| return mNetworkInfo.getDetailedState(); |
| } |
| |
| private SupplicantState handleSupplicantStateChange(Message message) { |
| StateChangeResult stateChangeResult = (StateChangeResult) message.obj; |
| SupplicantState state = stateChangeResult.state; |
| mWifiScoreCard.noteSupplicantStateChanging(mWifiInfo, state); |
| // Supplicant state change |
| // [31-13] Reserved for future use |
| // [8 - 0] Supplicant state (as defined in SupplicantState.java) |
| // 50023 supplicant_state_changed (custom|1|5) |
| mWifiInfo.setSupplicantState(state); |
| // Network id and SSID are only valid when we start connecting |
| if (SupplicantState.isConnecting(state)) { |
| mWifiInfo.setNetworkId(stateChangeResult.networkId); |
| mWifiInfo.setBSSID(stateChangeResult.BSSID); |
| mWifiInfo.setSSID(stateChangeResult.wifiSsid); |
| } else { |
| // Reset parameters according to WifiInfo.reset() |
| mWifiInfo.setNetworkId(WifiConfiguration.INVALID_NETWORK_ID); |
| mWifiInfo.setBSSID(null); |
| mWifiInfo.setSSID(null); |
| } |
| updateL2KeyAndGroupHint(); |
| // SSID might have been updated, so call updateCapabilities |
| updateCapabilities(); |
| |
| final WifiConfiguration config = getCurrentWifiConfiguration(); |
| if (config != null) { |
| mWifiInfo.setEphemeral(config.ephemeral); |
| mWifiInfo.setTrusted(config.trusted); |
| mWifiInfo.setOsuAp(config.osu); |
| if (config.fromWifiNetworkSpecifier || config.fromWifiNetworkSuggestion) { |
| mWifiInfo.setNetworkSuggestionOrSpecifierPackageName(config.creatorName); |
| } |
| |
| // Set meteredHint if scan result says network is expensive |
| ScanDetailCache scanDetailCache = mWifiConfigManager.getScanDetailCacheForNetwork( |
| config.networkId); |
| if (scanDetailCache != null) { |
| ScanDetail scanDetail = scanDetailCache.getScanDetail(stateChangeResult.BSSID); |
| if (scanDetail != null) { |
| mWifiInfo.setFrequency(scanDetail.getScanResult().frequency); |
| NetworkDetail networkDetail = scanDetail.getNetworkDetail(); |
| if (networkDetail != null |
| && networkDetail.getAnt() == NetworkDetail.Ant.ChargeablePublic) { |
| mWifiInfo.setMeteredHint(true); |
| } |
| } |
| } |
| } |
| |
| mSupplicantStateTracker.sendMessage(Message.obtain(message)); |
| mWifiScoreCard.noteSupplicantStateChanged(mWifiInfo); |
| return state; |
| } |
| |
| /** |
| * Tells IpClient what L2Key and GroupHint to use for IpMemoryStore. |
| */ |
| private void updateL2KeyAndGroupHint() { |
| if (mIpClient != null) { |
| Pair<String, String> p = mWifiScoreCard.getL2KeyAndGroupHint(mWifiInfo); |
| if (!p.equals(mLastL2KeyAndGroupHint)) { |
| if (mIpClient.setL2KeyAndGroupHint(p.first, p.second)) { |
| mLastL2KeyAndGroupHint = p; |
| } else { |
| mLastL2KeyAndGroupHint = null; |
| } |
| } |
| } |
| } |
| private @Nullable Pair<String, String> mLastL2KeyAndGroupHint = null; |
| |
| /** |
| * Resets the Wi-Fi Connections by clearing any state, resetting any sockets |
| * using the interface, stopping DHCP & disabling interface |
| */ |
| private void handleNetworkDisconnect() { |
| if (mVerboseLoggingEnabled) { |
| log("handleNetworkDisconnect: Stopping DHCP and clearing IP" |
| + " stack:" + Thread.currentThread().getStackTrace()[2].getMethodName() |
| + " - " + Thread.currentThread().getStackTrace()[3].getMethodName() |
| + " - " + Thread.currentThread().getStackTrace()[4].getMethodName() |
| + " - " + Thread.currentThread().getStackTrace()[5].getMethodName()); |
| } |
| |
| WifiConfiguration wifiConfig = getCurrentWifiConfiguration(); |
| if (wifiConfig != null) { |
| ScanResultMatchInfo matchInfo = ScanResultMatchInfo.fromWifiConfiguration(wifiConfig); |
| mWifiInjector.getWakeupController().setLastDisconnectInfo(matchInfo); |
| mWifiNetworkSuggestionsManager.handleDisconnect(wifiConfig, getCurrentBSSID()); |
| } |
| |
| stopRssiMonitoringOffload(); |
| |
| clearTargetBssid("handleNetworkDisconnect"); |
| |
| stopIpClient(); |
| |
| /* Reset data structures */ |
| mWifiScoreReport.reset(); |
| mWifiInfo.reset(); |
| /* Reset roaming parameters */ |
| mIsAutoRoaming = false; |
| |
| setNetworkDetailedState(DetailedState.DISCONNECTED); |
| synchronized (mNetworkAgentLock) { |
| if (mNetworkAgent != null) { |
| mNetworkAgent.sendNetworkInfo(mNetworkInfo); |
| mNetworkAgent = null; |
| } |
| } |
| |
| /* Clear network properties */ |
| clearLinkProperties(); |
| |
| /* Cend event to CM & network change broadcast */ |
| sendNetworkStateChangeBroadcast(mLastBssid); |
| |
| mLastBssid = null; |
| mLastLinkLayerStats = null; |
| registerDisconnected(); |
| mLastNetworkId = WifiConfiguration.INVALID_NETWORK_ID; |
| mWifiScoreCard.resetConnectionState(); |
| updateL2KeyAndGroupHint(); |
| } |
| |
| void handlePreDhcpSetup() { |
| if (!mBluetoothConnectionActive) { |
| /* |
| * There are problems setting the Wi-Fi driver's power |
| * mode to active when bluetooth coexistence mode is |
| * enabled or sense. |
| * <p> |
| * We set Wi-Fi to active mode when |
| * obtaining an IP address because we've found |
| * compatibility issues with some routers with low power |
| * mode. |
| * <p> |
| * In order for this active power mode to properly be set, |
| * we disable coexistence mode until we're done with |
| * obtaining an IP address. One exception is if we |
| * are currently connected to a headset, since disabling |
| * coexistence would interrupt that connection. |
| */ |
| // Disable the coexistence mode |
| mWifiNative.setBluetoothCoexistenceMode( |
| mInterfaceName, WifiNative.BLUETOOTH_COEXISTENCE_MODE_DISABLED); |
| } |
| |
| // Disable power save and suspend optimizations during DHCP |
| // Note: The order here is important for now. Brcm driver changes |
| // power settings when we control suspend mode optimizations. |
| // TODO: Remove this comment when the driver is fixed. |
| setSuspendOptimizationsNative(SUSPEND_DUE_TO_DHCP, false); |
| setPowerSave(false); |
| |
| // Update link layer stats |
| getWifiLinkLayerStats(); |
| |
| if (mWifiP2pChannel != null) { |
| /* P2p discovery breaks dhcp, shut it down in order to get through this */ |
| Message msg = new Message(); |
| msg.what = WifiP2pServiceImpl.BLOCK_DISCOVERY; |
| msg.arg1 = WifiP2pServiceImpl.ENABLED; |
| msg.arg2 = CMD_PRE_DHCP_ACTION_COMPLETE; |
| msg.obj = ClientModeImpl.this; |
| mWifiP2pChannel.sendMessage(msg); |
| } else { |
| // If the p2p service is not running, we can proceed directly. |
| sendMessage(CMD_PRE_DHCP_ACTION_COMPLETE); |
| } |
| } |
| |
| void handlePostDhcpSetup() { |
| /* Restore power save and suspend optimizations */ |
| setSuspendOptimizationsNative(SUSPEND_DUE_TO_DHCP, true); |
| setPowerSave(true); |
| |
| p2pSendMessage(WifiP2pServiceImpl.BLOCK_DISCOVERY, WifiP2pServiceImpl.DISABLED); |
| |
| // Set the coexistence mode back to its default value |
| mWifiNative.setBluetoothCoexistenceMode( |
| mInterfaceName, WifiNative.BLUETOOTH_COEXISTENCE_MODE_SENSE); |
| } |
| |
| /** |
| * Set power save mode |
| * |
| * @param ps true to enable power save (default behavior) |
| * false to disable power save. |
| * @return true for success, false for failure |
| */ |
| public boolean setPowerSave(boolean ps) { |
| if (mInterfaceName != null) { |
| if (mVerboseLoggingEnabled) { |
| Log.d(TAG, "Setting power save for: " + mInterfaceName + " to: " + ps); |
| } |
| mWifiNative.setPowerSave(mInterfaceName, ps); |
| } else { |
| Log.e(TAG, "Failed to setPowerSave, interfaceName is null"); |
| return false; |
| } |
| return true; |
| } |
| |
| /** |
| * Set low latency mode |
| * |
| * @param enabled true to enable low latency |
| * false to disable low latency (default behavior). |
| * @return true for success, false for failure |
| */ |
| public boolean setLowLatencyMode(boolean enabled) { |
| if (mVerboseLoggingEnabled) { |
| Log.d(TAG, "Setting low latency mode to " + enabled); |
| } |
| if (!mWifiNative.setLowLatencyMode(enabled)) { |
| Log.e(TAG, "Failed to setLowLatencyMode"); |
| return false; |
| } |
| return true; |
| } |
| |
| @VisibleForTesting |
| public static final long DIAGS_CONNECT_TIMEOUT_MILLIS = 60 * 1000; |
| /** |
| * Inform other components that a new connection attempt is starting. |
| */ |
| private void reportConnectionAttemptStart( |
| WifiConfiguration config, String targetBSSID, int roamType) { |
| mWifiMetrics.startConnectionEvent(config, targetBSSID, roamType); |
| mWifiDiagnostics.reportConnectionEvent(WifiDiagnostics.CONNECTION_EVENT_STARTED); |
| mWrongPasswordNotifier.onNewConnectionAttempt(); |
| removeMessages(CMD_DIAGS_CONNECT_TIMEOUT); |
| sendMessageDelayed(CMD_DIAGS_CONNECT_TIMEOUT, DIAGS_CONNECT_TIMEOUT_MILLIS); |
| } |
| |
| private void handleConnectionAttemptEndForDiagnostics(int level2FailureCode) { |
| switch (level2FailureCode) { |
| case WifiMetrics.ConnectionEvent.FAILURE_NONE: |
| break; |
| case WifiMetrics.ConnectionEvent.FAILURE_CONNECT_NETWORK_FAILED: |
| // WifiDiagnostics doesn't care about pre-empted connections, or cases |
| // where we failed to initiate a connection attempt with supplicant. |
| break; |
| default: |
| removeMessages(CMD_DIAGS_CONNECT_TIMEOUT); |
| mWifiDiagnostics.reportConnectionEvent(WifiDiagnostics.CONNECTION_EVENT_FAILED); |
| } |
| } |
| |
| /** |
| * Inform other components (WifiMetrics, WifiDiagnostics, WifiConnectivityManager, etc.) that |
| * the current connection attempt has concluded. |
| */ |
| private void reportConnectionAttemptEnd(int level2FailureCode, int connectivityFailureCode, |
| int level2FailureReason) { |
| if (level2FailureCode != WifiMetrics.ConnectionEvent.FAILURE_NONE) { |
| mWifiScoreCard.noteConnectionFailure(mWifiInfo, |
| level2FailureCode, connectivityFailureCode); |
| } |
| // if connected, this should be non-null. |
| WifiConfiguration configuration = getCurrentWifiConfiguration(); |
| if (configuration == null) { |
| // If not connected, this should be non-null. |
| configuration = getTargetWifiConfiguration(); |
| } |
| mWifiMetrics.endConnectionEvent(level2FailureCode, connectivityFailureCode, |
| level2FailureReason); |
| mWifiConnectivityManager.handleConnectionAttemptEnded(level2FailureCode); |
| if (configuration != null) { |
| mNetworkFactory.handleConnectionAttemptEnded(level2FailureCode, configuration); |
| mWifiNetworkSuggestionsManager.handleConnectionAttemptEnded( |
| level2FailureCode, configuration, getCurrentBSSID()); |
| } |
| handleConnectionAttemptEndForDiagnostics(level2FailureCode); |
| } |
| |
| private void handleIPv4Success(DhcpResults dhcpResults) { |
| if (mVerboseLoggingEnabled) { |
| logd("handleIPv4Success <" + dhcpResults.toString() + ">"); |
| logd("link address " + dhcpResults.ipAddress); |
| } |
| |
| Inet4Address addr; |
| synchronized (mDhcpResultsLock) { |
| mDhcpResults = dhcpResults; |
| addr = (Inet4Address) dhcpResults.ipAddress.getAddress(); |
| } |
| |
| if (mIsAutoRoaming) { |
| int previousAddress = mWifiInfo.getIpAddress(); |
| int newAddress = NetworkUtils.inetAddressToInt(addr); |
| if (previousAddress != newAddress) { |
| logd("handleIPv4Success, roaming and address changed" |
| + mWifiInfo + " got: " + addr); |
| } |
| } |
| |
| mWifiInfo.setInetAddress(addr); |
| |
| final WifiConfiguration config = getCurrentWifiConfiguration(); |
| if (config != null) { |
| mWifiInfo.setEphemeral(config.ephemeral); |
| mWifiInfo.setTrusted(config.trusted); |
| } |
| |
| // Set meteredHint if DHCP result says network is metered |
| if (dhcpResults.hasMeteredHint()) { |
| mWifiInfo.setMeteredHint(true); |
| } |
| |
| updateCapabilities(config); |
| } |
| |
| private void handleSuccessfulIpConfiguration() { |
| mLastSignalLevel = -1; // Force update of signal strength |
| WifiConfiguration c = getCurrentWifiConfiguration(); |
| if (c != null) { |
| // Reset IP failure tracking |
| c.getNetworkSelectionStatus().clearDisableReasonCounter( |
| WifiConfiguration.NetworkSelectionStatus.DISABLED_DHCP_FAILURE); |
| |
| // Tell the framework whether the newly connected network is trusted or untrusted. |
| updateCapabilities(c); |
| } |
| mWifiScoreCard.noteIpConfiguration(mWifiInfo); |
| } |
| |
| private void handleIPv4Failure() { |
| // TODO: Move this to provisioning failure, not DHCP failure. |
| // DHCPv4 failure is expected on an IPv6-only network. |
| mWifiDiagnostics.captureBugReportData(WifiDiagnostics.REPORT_REASON_DHCP_FAILURE); |
| if (mVerboseLoggingEnabled) { |
| int count = -1; |
| WifiConfiguration config = getCurrentWifiConfiguration(); |
| if (config != null) { |
| count = config.getNetworkSelectionStatus().getDisableReasonCounter( |
| WifiConfiguration.NetworkSelectionStatus.DISABLED_DHCP_FAILURE); |
| } |
| log("DHCP failure count=" + count); |
| } |
| reportConnectionAttemptEnd( |
| WifiMetrics.ConnectionEvent.FAILURE_DHCP, |
| WifiMetricsProto.ConnectionEvent.HLF_DHCP, |
| WifiMetricsProto.ConnectionEvent.FAILURE_REASON_UNKNOWN); |
| synchronized (mDhcpResultsLock) { |
| if (mDhcpResults != null) { |
| mDhcpResults.clear(); |
| } |
| } |
| if (mVerboseLoggingEnabled) { |
| logd("handleIPv4Failure"); |
| } |
| } |
| |
| private void handleIpConfigurationLost() { |
| mWifiInfo.setInetAddress(null); |
| mWifiInfo.setMeteredHint(false); |
| |
| mWifiConfigManager.updateNetworkSelectionStatus(mLastNetworkId, |
| WifiConfiguration.NetworkSelectionStatus.DISABLED_DHCP_FAILURE); |
| |
| /* DHCP times out after about 30 seconds, we do a |
| * disconnect thru supplicant, we will let autojoin retry connecting to the network |
| */ |
| mWifiNative.disconnect(mInterfaceName); |
| } |
| |
| private void handleIpReachabilityLost() { |
| mWifiScoreCard.noteIpReachabilityLost(mWifiInfo); |
| mWifiInfo.setInetAddress(null); |
| mWifiInfo.setMeteredHint(false); |
| |
| // Disconnect via supplicant, and let autojoin retry connecting to the network. |
| mWifiNative.disconnect(mInterfaceName); |
| } |
| |
| /* |
| * Read a MAC address in /proc/arp/table, used by ClientModeImpl |
| * so as to record MAC address of default gateway. |
| **/ |
| private String macAddressFromRoute(String ipAddress) { |
| String macAddress = null; |
| BufferedReader reader = null; |
| try { |
| reader = new BufferedReader(new FileReader("/proc/net/arp")); |
| |
| // Skip over the line bearing column titles |
| String line = reader.readLine(); |
| |
| while ((line = reader.readLine()) != null) { |
| String[] tokens = line.split("[ ]+"); |
| if (tokens.length < 6) { |
| continue; |
| } |
| |
| // ARP column format is |
| // Address HWType HWAddress Flags Mask IFace |
| String ip = tokens[0]; |
| String mac = tokens[3]; |
| |
| if (ipAddress.equals(ip)) { |
| macAddress = mac; |
| break; |
| } |
| } |
| |
| if (macAddress == null) { |
| loge("Did not find remoteAddress {" + ipAddress + "} in /proc/net/arp"); |
| } |
| |
| } catch (FileNotFoundException e) { |
| loge("Could not open /proc/net/arp to lookup mac address"); |
| } catch (IOException e) { |
| loge("Could not read /proc/net/arp to lookup mac address"); |
| } finally { |
| try { |
| if (reader != null) { |
| reader.close(); |
| } |
| } catch (IOException e) { |
| // Do nothing |
| } |
| } |
| return macAddress; |
| |
| } |
| |
| /** |
| * Determine if the specified auth failure is considered to be a permanent wrong password |
| * failure. The criteria for such failure is when wrong password error is detected |
| * and the network had never been connected before. |
| * |
| * For networks that have previously connected successfully, we consider wrong password |
| * failures to be temporary, to be on the conservative side. Since this might be the |
| * case where we are trying to connect to a wrong network (e.g. A network with same SSID |
| * but different password). |
| */ |
| private boolean isPermanentWrongPasswordFailure(int networkId, int reasonCode) { |
| if (reasonCode != WifiManager.ERROR_AUTH_FAILURE_WRONG_PSWD) { |
| return false; |
| } |
| WifiConfiguration network = mWifiConfigManager.getConfiguredNetwork(networkId); |
| if (network != null && network.getNetworkSelectionStatus().getHasEverConnected()) { |
| return false; |
| } |
| return true; |
| } |
| |
| void registerNetworkFactory() { |
| if (!checkAndSetConnectivityInstance()) return; |
| mNetworkFactory.register(); |
| mUntrustedNetworkFactory.register(); |
| } |
| |
| /** |
| * ClientModeImpl needs to enable/disable other services when wifi is in client mode. This |
| * method allows ClientModeImpl to get these additional system services. |
| * |
| * At this time, this method is used to setup variables for P2P service and Wifi Aware. |
| */ |
| private void getAdditionalWifiServiceInterfaces() { |
| // First set up Wifi Direct |
| if (mP2pSupported) { |
| IBinder s1 = mFacade.getService(Context.WIFI_P2P_SERVICE); |
| WifiP2pServiceImpl wifiP2pServiceImpl = |
| (WifiP2pServiceImpl) IWifiP2pManager.Stub.asInterface(s1); |
| |
| if (wifiP2pServiceImpl != null) { |
| mWifiP2pChannel = new AsyncChannel(); |
| mWifiP2pChannel.connect(mContext, getHandler(), |
| wifiP2pServiceImpl.getP2pStateMachineMessenger()); |
| } |
| } |
| } |
| |
| /** |
| * Dynamically change the MAC address to use the locally randomized |
| * MAC address generated for each network. |
| * @param config WifiConfiguration with mRandomizedMacAddress to change into. If the address |
| * is masked out or not set, it will generate a new random MAC address. |
| */ |
| private void configureRandomizedMacAddress(WifiConfiguration config) { |
| if (config == null) { |
| Log.e(TAG, "No config to change MAC address to"); |
| return; |
| } |
| MacAddress currentMac = MacAddress.fromString(mWifiNative.getMacAddress(mInterfaceName)); |
| MacAddress newMac = config.getOrCreateRandomizedMacAddress(); |
| mWifiConfigManager.setNetworkRandomizedMacAddress(config.networkId, newMac); |
| if (!WifiConfiguration.isValidMacAddressForRandomization(newMac)) { |
| Log.wtf(TAG, "Config generated an invalid MAC address"); |
| } else if (currentMac.equals(newMac)) { |
| Log.d(TAG, "No changes in MAC address"); |
| } else { |
| mWifiMetrics.logStaEvent(StaEvent.TYPE_MAC_CHANGE, config); |
| boolean setMacSuccess = |
| mWifiNative.setMacAddress(mInterfaceName, newMac); |
| Log.d(TAG, "ConnectedMacRandomization SSID(" + config.getPrintableSsid() |
| + "). setMacAddress(" + newMac.toString() + ") from " |
| + currentMac.toString() + " = " + setMacSuccess); |
| } |
| } |
| |
| /** |
| * Sets the current MAC to the factory MAC address. |
| */ |
| private void setCurrentMacToFactoryMac(WifiConfiguration config) { |
| MacAddress factoryMac = mWifiNative.getFactoryMacAddress(mInterfaceName); |
| if (factoryMac == null) { |
| Log.e(TAG, "Fail to set factory MAC address. Factory MAC is null."); |
| return; |
| } |
| String currentMacStr = mWifiNative.getMacAddress(mInterfaceName); |
| if (!TextUtils.equals(currentMacStr, factoryMac.toString())) { |
| if (mWifiNative.setMacAddress(mInterfaceName, factoryMac)) { |
| mWifiMetrics.logStaEvent(StaEvent.TYPE_MAC_CHANGE, config); |
| } else { |
| Log.e(TAG, "Failed to set MAC address to " + "'" + factoryMac.toString() + "'"); |
| } |
| } |
| } |
| |
| /** |
| * Helper method to check if Connected MAC Randomization is supported - onDown events are |
| * skipped if this feature is enabled (b/72459123). |
| * |
| * @return boolean true if Connected MAC randomization is supported, false otherwise |
| */ |
| public boolean isConnectedMacRandomizationEnabled() { |
| return mConnectedMacRandomzationSupported; |
| } |
| |
| /** |
| * Helper method allowing ClientModeManager to report an error (interface went down) and trigger |
| * recovery. |
| * |
| * @param reason int indicating the SelfRecovery failure type. |
| */ |
| public void failureDetected(int reason) { |
| // report a failure |
| mWifiInjector.getSelfRecovery().trigger(SelfRecovery.REASON_STA_IFACE_DOWN); |
| } |
| |
| /******************************************************** |
| * HSM states |
| *******************************************************/ |
| |
| class DefaultState extends State { |
| |
| @Override |
| public boolean processMessage(Message message) { |
| boolean handleStatus = HANDLED; |
| |
| switch (message.what) { |
| case AsyncChannel.CMD_CHANNEL_HALF_CONNECTED: { |
| AsyncChannel ac = (AsyncChannel) message.obj; |
| if (ac == mWifiP2pChannel) { |
| if (message.arg1 == AsyncChannel.STATUS_SUCCESSFUL) { |
| p2pSendMessage(AsyncChannel.CMD_CHANNEL_FULL_CONNECTION); |
| } else { |
| // TODO: We should probably do some cleanup or attempt a retry |
| // b/34283611 |
| loge("WifiP2pService connection failure, error=" + message.arg1); |
| } |
| } else { |
| loge("got HALF_CONNECTED for unknown channel"); |
| } |
| break; |
| } |
| case AsyncChannel.CMD_CHANNEL_DISCONNECTED: { |
| AsyncChannel ac = (AsyncChannel) message.obj; |
| if (ac == mWifiP2pChannel) { |
| loge("WifiP2pService channel lost, message.arg1 =" + message.arg1); |
| //TODO: Re-establish connection to state machine after a delay (b/34283611) |
| // mWifiP2pChannel.connect(mContext, getHandler(), |
| // mWifiP2pManager.getMessenger()); |
| } |
| break; |
| } |
| case CMD_BLUETOOTH_ADAPTER_STATE_CHANGE: |
| mBluetoothConnectionActive = |
| (message.arg1 != BluetoothAdapter.STATE_DISCONNECTED); |
| break; |
| case CMD_ENABLE_NETWORK: |
| boolean disableOthers = message.arg2 == 1; |
| int netId = message.arg1; |
| boolean ok = mWifiConfigManager.enableNetwork( |
| netId, disableOthers, message.sendingUid); |
| if (!ok) { |
| mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL; |
| } |
| replyToMessage(message, message.what, ok ? SUCCESS : FAILURE); |
| break; |
| case CMD_ADD_OR_UPDATE_NETWORK: |
| WifiConfiguration config = (WifiConfiguration) message.obj; |
| NetworkUpdateResult result = |
| mWifiConfigManager.addOrUpdateNetwork(config, message.sendingUid); |
| if (!result.isSuccess()) { |
| mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL; |
| } |
| replyToMessage(message, message.what, result.getNetworkId()); |
| break; |
| case CMD_REMOVE_NETWORK: |
| deleteNetworkConfigAndSendReply(message, false); |
| break; |
| case CMD_GET_CONFIGURED_NETWORKS: |
| replyToMessage(message, message.what, |
| mWifiConfigManager.getSavedNetworks(message.arg2)); |
| break; |
| case CMD_GET_PRIVILEGED_CONFIGURED_NETWORKS: |
| replyToMessage(message, message.what, |
| mWifiConfigManager.getConfiguredNetworksWithPasswords()); |
| break; |
| case CMD_ENABLE_RSSI_POLL: |
| mEnableRssiPolling = (message.arg1 == 1); |
| break; |
| case CMD_SET_HIGH_PERF_MODE: |
| if (message.arg1 == 1) { |
| setSuspendOptimizations(SUSPEND_DUE_TO_HIGH_PERF, false); |
| } else { |
| setSuspendOptimizations(SUSPEND_DUE_TO_HIGH_PERF, true); |
| } |
| break; |
| case CMD_INITIALIZE: |
| ok = mWifiNative.initialize(); |
| mPasspointManager.initializeProvisioner( |
| mWifiInjector.getWifiServiceHandlerThread().getLooper()); |
| replyToMessage(message, message.what, ok ? SUCCESS : FAILURE); |
| break; |
| case CMD_BOOT_COMPLETED: |
| // get other services that we need to manage |
| getAdditionalWifiServiceInterfaces(); |
| new MemoryStoreImpl(mContext, mWifiInjector, mWifiScoreCard).start(); |
| if (!mWifiConfigManager.loadFromStore()) { |
| Log.e(TAG, "Failed to load from config store"); |
| } |
| registerNetworkFactory(); |
| break; |
| case CMD_SCREEN_STATE_CHANGED: |
| handleScreenStateChanged(message.arg1 != 0); |
| break; |
| case CMD_DISCONNECT: |
| case CMD_RECONNECT: |
| case CMD_REASSOCIATE: |
| case WifiMonitor.NETWORK_CONNECTION_EVENT: |
| case WifiMonitor.NETWORK_DISCONNECTION_EVENT: |
| case WifiMonitor.SUPPLICANT_STATE_CHANGE_EVENT: |
| case WifiMonitor.AUTHENTICATION_FAILURE_EVENT: |
| case WifiMonitor.ASSOCIATION_REJECTION_EVENT: |
| case CMD_RSSI_POLL: |
| case CMD_ONESHOT_RSSI_POLL: |
| case CMD_PRE_DHCP_ACTION: |
| case CMD_PRE_DHCP_ACTION_COMPLETE: |
| case CMD_POST_DHCP_ACTION: |
| case WifiMonitor.SUP_REQUEST_IDENTITY: |
| case WifiMonitor.SUP_REQUEST_SIM_AUTH: |
| case CMD_TARGET_BSSID: |
| case CMD_START_CONNECT: |
| case CMD_START_ROAM: |
| case CMD_ASSOCIATED_BSSID: |
| case CMD_UNWANTED_NETWORK: |
| case CMD_DISCONNECTING_WATCHDOG_TIMER: |
| case CMD_ROAM_WATCHDOG_TIMER: |
| case CMD_DISABLE_EPHEMERAL_NETWORK: |
| mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_DISCARD; |
| break; |
| case CMD_SET_OPERATIONAL_MODE: |
| // using the CMD_SET_OPERATIONAL_MODE (sent at front of queue) to trigger the |
| // state transitions performed in setOperationalMode. |
| break; |
| case CMD_SET_SUSPEND_OPT_ENABLED: |
| if (message.arg1 == 1) { |
| if (message.arg2 == 1) { |
| mSuspendWakeLock.release(); |
| } |
| setSuspendOptimizations(SUSPEND_DUE_TO_SCREEN, true); |
| } else { |
| setSuspendOptimizations(SUSPEND_DUE_TO_SCREEN, false); |
| } |
| break; |
| case WifiManager.CONNECT_NETWORK: |
| replyToMessage(message, WifiManager.CONNECT_NETWORK_FAILED, |
| WifiManager.BUSY); |
| break; |
| case WifiManager.FORGET_NETWORK: |
| deleteNetworkConfigAndSendReply(message, true); |
| break; |
| case WifiManager.SAVE_NETWORK: |
| saveNetworkConfigAndSendReply(message); |
| break; |
| case WifiManager.DISABLE_NETWORK: |
| replyToMessage(message, WifiManager.DISABLE_NETWORK_FAILED, |
| WifiManager.BUSY); |
| break; |
| case WifiManager.RSSI_PKTCNT_FETCH: |
| replyToMessage(message, WifiManager.RSSI_PKTCNT_FETCH_FAILED, |
| WifiManager.BUSY); |
| break; |
| case CMD_GET_SUPPORTED_FEATURES: |
| long featureSet = (mWifiNative.getSupportedFeatureSet(mInterfaceName)); |
| replyToMessage(message, message.what, Long.valueOf(featureSet)); |
| break; |
| case CMD_GET_LINK_LAYER_STATS: |
| // Not supported hence reply with error message |
| replyToMessage(message, message.what, null); |
| break; |
| case WifiP2pServiceImpl.P2P_CONNECTION_CHANGED: |
| NetworkInfo info = (NetworkInfo) message.obj; |
| mP2pConnected.set(info.isConnected()); |
| break; |
| case WifiP2pServiceImpl.DISCONNECT_WIFI_REQUEST: |
| mTemporarilyDisconnectWifi = (message.arg1 == 1); |
| replyToMessage(message, WifiP2pServiceImpl.DISCONNECT_WIFI_RESPONSE); |
| break; |
| /* Link configuration (IP address, DNS, ...) changes notified via netlink */ |
| case CMD_UPDATE_LINKPROPERTIES: |
| updateLinkProperties((LinkProperties) message.obj); |
| break; |
| case CMD_GET_MATCHING_OSU_PROVIDERS: |
| replyToMessage(message, message.what, new HashMap<>()); |
| break; |
| case CMD_GET_MATCHING_PASSPOINT_CONFIGS_FOR_OSU_PROVIDERS: |
| replyToMessage(message, message.what, |
| new HashMap<OsuProvider, PasspointConfiguration>()); |
| break; |
| case CMD_GET_WIFI_CONFIGS_FOR_PASSPOINT_PROFILES: |
| replyToMessage(message, message.what, new ArrayList<>()); |
| break; |
| case CMD_START_SUBSCRIPTION_PROVISIONING: |
| replyToMessage(message, message.what, 0); |
| break; |
| case CMD_IP_CONFIGURATION_SUCCESSFUL: |
| case CMD_IP_CONFIGURATION_LOST: |
| case CMD_IP_REACHABILITY_LOST: |
| mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_DISCARD; |
| break; |
| case CMD_REMOVE_APP_CONFIGURATIONS: |
| deferMessage(message); |
| break; |
| case CMD_REMOVE_USER_CONFIGURATIONS: |
| deferMessage(message); |
| break; |
| case CMD_START_IP_PACKET_OFFLOAD: |
| /* fall-through */ |
| case CMD_STOP_IP_PACKET_OFFLOAD: |
| case CMD_ADD_KEEPALIVE_PACKET_FILTER_TO_APF: |
| case CMD_REMOVE_KEEPALIVE_PACKET_FILTER_FROM_APF: |
| if (mNetworkAgent != null) { |
| mNetworkAgent.onSocketKeepaliveEvent(message.arg1, |
| SocketKeepalive.ERROR_INVALID_NETWORK); |
| } |
| break; |
| case CMD_START_RSSI_MONITORING_OFFLOAD: |
| mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_DISCARD; |
| break; |
| case CMD_STOP_RSSI_MONITORING_OFFLOAD: |
| mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_DISCARD; |
| break; |
| case CMD_USER_SWITCH: |
| Set<Integer> removedNetworkIds = |
| mWifiConfigManager.handleUserSwitch(message.arg1); |
| if (removedNetworkIds.contains(mTargetNetworkId) |
| || removedNetworkIds.contains(mLastNetworkId)) { |
| // Disconnect and let autojoin reselect a new network |
| sendMessage(CMD_DISCONNECT); |
| } |
| break; |
| case CMD_USER_UNLOCK: |
| mWifiConfigManager.handleUserUnlock(message.arg1); |
| break; |
| case CMD_USER_STOP: |
| mWifiConfigManager.handleUserStop(message.arg1); |
| break; |
| case CMD_QUERY_OSU_ICON: |
| case CMD_MATCH_PROVIDER_NETWORK: |
| /* reply with arg1 = 0 - it returns API failure to the calling app |
| * (message.what is not looked at) |
| */ |
| replyToMessage(message, message.what); |
| break; |
| case CMD_ADD_OR_UPDATE_PASSPOINT_CONFIG: |
| Bundle bundle = (Bundle) message.obj; |
| int addResult = mPasspointManager.addOrUpdateProvider(bundle.getParcelable( |
| EXTRA_PASSPOINT_CONFIGURATION), |
| bundle.getInt(EXTRA_UID), |
| bundle.getString(EXTRA_PACKAGE_NAME)) |
| ? SUCCESS : FAILURE; |
| replyToMessage(message, message.what, addResult); |
| break; |
| case CMD_REMOVE_PASSPOINT_CONFIG: |
| int removeResult = mPasspointManager.removeProvider( |
| (String) message.obj) ? SUCCESS : FAILURE; |
| replyToMessage(message, message.what, removeResult); |
| break; |
| case CMD_GET_PASSPOINT_CONFIGS: |
| replyToMessage(message, message.what, mPasspointManager.getProviderConfigs()); |
| break; |
| case CMD_RESET_SIM_NETWORKS: |
| /* Defer this message until supplicant is started. */ |
| mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_DEFERRED; |
| deferMessage(message); |
| break; |
| case CMD_INSTALL_PACKET_FILTER: |
| mWifiNative.installPacketFilter(mInterfaceName, (byte[]) message.obj); |
| break; |
| case CMD_READ_PACKET_FILTER: |
| byte[] data = mWifiNative.readPacketFilter(mInterfaceName); |
| if (mIpClient != null) { |
| mIpClient.readPacketFilterComplete(data); |
| } |
| break; |
| case CMD_SET_FALLBACK_PACKET_FILTERING: |
| if ((boolean) message.obj) { |
| mWifiNative.startFilteringMulticastV4Packets(mInterfaceName); |
| } else { |
| mWifiNative.stopFilteringMulticastV4Packets(mInterfaceName); |
| } |
| break; |
| case CMD_DIAGS_CONNECT_TIMEOUT: |
| mWifiDiagnostics.reportConnectionEvent( |
| BaseWifiDiagnostics.CONNECTION_EVENT_TIMEOUT); |
| break; |
| case CMD_GET_ALL_MATCHING_FQDNS_FOR_SCAN_RESULTS: |
| replyToMessage(message, message.what, new HashMap<>()); |
| break; |
| case 0: |
| // We want to notice any empty messages (with what == 0) that might crop up. |
| // For example, we may have recycled a message sent to multiple handlers. |
| Log.wtf(TAG, "Error! empty message encountered"); |
| break; |
| default: |
| loge("Error! unhandled message" + message); |
| break; |
| } |
| |
| if (handleStatus == HANDLED) { |
| logStateAndMessage(message, this); |
| } |
| |
| return handleStatus; |
| } |
| } |
| |
| /** |
| * Helper method to start other services and get state ready for client mode |
| */ |
| private void setupClientMode() { |
| Log.d(TAG, "setupClientMode() ifacename = " + mInterfaceName); |
| |
| setHighPerfModeEnabled(false); |
| |
| mWifiStateTracker.updateState(WifiStateTracker.INVALID); |
| mIpClientCallbacks = new IpClientCallbacksImpl(); |
| mFacade.makeIpClient(mContext, mInterfaceName, mIpClientCallbacks); |
| if (!mIpClientCallbacks.awaitCreation()) { |
| loge("Timeout waiting for IpClient"); |
| } |
| |
| setMulticastFilter(true); |
| registerForWifiMonitorEvents(); |
| mWifiInjector.getWifiLastResortWatchdog().clearAllFailureCounts(); |
| setSupplicantLogLevel(); |
| |
| // reset state related to supplicant starting |
| mSupplicantStateTracker.sendMessage(CMD_RESET_SUPPLICANT_STATE); |
| // Initialize data structures |
| mLastBssid = null; |
| mLastNetworkId = WifiConfiguration.INVALID_NETWORK_ID; |
| mLastSignalLevel = -1; |
| mWifiInfo.setMacAddress(mWifiNative.getMacAddress(mInterfaceName)); |
| // TODO: b/79504296 This broadcast has been deprecated and should be removed |
| sendSupplicantConnectionChangedBroadcast(true); |
| |
| mWifiNative.setExternalSim(mInterfaceName, true); |
| |
| setRandomMacOui(); |
| mCountryCode.setReadyForChange(true); |
| |
| mWifiDiagnostics.startLogging(mVerboseLoggingEnabled); |
| mIsRunning = true; |
| updateBatteryWorkSource(null); |
| |
| /** |
| * Enable bluetooth coexistence scan mode when bluetooth connection is active. |
| * When this mode is on, some of the low-level scan parameters used by the |
| * driver are changed to reduce interference with bluetooth |
| */ |
| mWifiNative.setBluetoothCoexistenceScanMode(mInterfaceName, mBluetoothConnectionActive); |
| |
| // initialize network state |
| setNetworkDetailedState(DetailedState.DISCONNECTED); |
| |
| // Disable legacy multicast filtering, which on some chipsets defaults to enabled. |
| // Legacy IPv6 multicast filtering blocks ICMPv6 router advertisements which breaks IPv6 |
| // provisioning. Legacy IPv4 multicast filtering may be re-enabled later via |
| // IpClient.Callback.setFallbackMulticastFilter() |
| mWifiNative.stopFilteringMulticastV4Packets(mInterfaceName); |
| mWifiNative.stopFilteringMulticastV6Packets(mInterfaceName); |
| |
| // Set the right suspend mode settings |
| mWifiNative.setSuspendOptimizations(mInterfaceName, mSuspendOptNeedsDisabled == 0 |
| && mUserWantsSuspendOpt.get()); |
| |
| setPowerSave(true); |
| |
| // Disable wpa_supplicant from auto reconnecting. |
| mWifiNative.enableStaAutoReconnect(mInterfaceName, false); |
| // STA has higher priority over P2P |
| mWifiNative.setConcurrencyPriority(true); |
| } |
| |
| /** |
| * Helper method to stop external services and clean up state from client mode. |
| */ |
| private void stopClientMode() { |
| // exiting supplicant started state is now only applicable to client mode |
| mWifiDiagnostics.stopLogging(); |
| |
| mIsRunning = false; |
| updateBatteryWorkSource(null); |
| |
| if (mIpClient != null && mIpClient.shutdown()) { |
| // Block to make sure IpClient has really shut down, lest cleanup |
| // race with, say, bringup code over in tethering. |
| mIpClientCallbacks.awaitShutdown(); |
| } |
| mNetworkInfo.setIsAvailable(false); |
| if (mNetworkAgent != null) mNetworkAgent.sendNetworkInfo(mNetworkInfo); |
| mCountryCode.setReadyForChange(false); |
| mInterfaceName = null; |
| // TODO: b/79504296 This broadcast has been deprecated and should be removed |
| sendSupplicantConnectionChangedBroadcast(false); |
| |
| // Let's remove any ephemeral or passpoint networks. |
| mWifiConfigManager.removeAllEphemeralOrPasspointConfiguredNetworks(); |
| } |
| |
| void registerConnected() { |
| if (mLastNetworkId != WifiConfiguration.INVALID_NETWORK_ID) { |
| mWifiConfigManager.updateNetworkAfterConnect(mLastNetworkId); |
| // Notify PasspointManager of Passpoint network connected event. |
| WifiConfiguration currentNetwork = getCurrentWifiConfiguration(); |
| if (currentNetwork != null && currentNetwork.isPasspoint()) { |
| mPasspointManager.onPasspointNetworkConnected(currentNetwork.FQDN); |
| } |
| } |
| } |
| |
| void registerDisconnected() { |
| if (mLastNetworkId != WifiConfiguration.INVALID_NETWORK_ID) { |
| mWifiConfigManager.updateNetworkAfterDisconnect(mLastNetworkId); |
| } |
| } |
| |
| /** |
| * Returns WifiConfiguration object corresponding to the currently connected network, null if |
| * not connected. |
| */ |
| public WifiConfiguration getCurrentWifiConfiguration() { |
| if (mLastNetworkId == WifiConfiguration.INVALID_NETWORK_ID) { |
| return null; |
| } |
| return mWifiConfigManager.getConfiguredNetwork(mLastNetworkId); |
| } |
| |
| private WifiConfiguration getTargetWifiConfiguration() { |
| if (mTargetNetworkId == WifiConfiguration.INVALID_NETWORK_ID) { |
| return null; |
| } |
| return mWifiConfigManager.getConfiguredNetwork(mTargetNetworkId); |
| } |
| |
| ScanResult getCurrentScanResult() { |
| WifiConfiguration config = getCurrentWifiConfiguration(); |
| if (config == null) { |
| return null; |
| } |
| String bssid = mWifiInfo.getBSSID(); |
| if (bssid == null) { |
| bssid = mTargetRoamBSSID; |
| } |
| ScanDetailCache scanDetailCache = |
| mWifiConfigManager.getScanDetailCacheForNetwork(config.networkId); |
| |
| if (scanDetailCache == null) { |
| return null; |
| } |
| |
| return scanDetailCache.getScanResult(bssid); |
| } |
| |
| String getCurrentBSSID() { |
| return mLastBssid; |
| } |
| |
| class ConnectModeState extends State { |
| |
| @Override |
| public void enter() { |
| Log.d(TAG, "entering ConnectModeState: ifaceName = " + mInterfaceName); |
| mOperationalMode = CONNECT_MODE; |
| setupClientMode(); |
| if (!mWifiNative.removeAllNetworks(mInterfaceName)) { |
| loge("Failed to remove networks on entering connect mode"); |
| } |
| mWifiInfo.reset(); |
| mWifiInfo.setSupplicantState(SupplicantState.DISCONNECTED); |
| |
| mWifiInjector.getWakeupController().reset(); |
| |
| mNetworkInfo.setIsAvailable(true); |
| if (mNetworkAgent != null) mNetworkAgent.sendNetworkInfo(mNetworkInfo); |
| |
| // initialize network state |
| setNetworkDetailedState(DetailedState.DISCONNECTED); |
| |
| // Inform WifiConnectivityManager that Wifi is enabled |
| mWifiConnectivityManager.setWifiEnabled(true); |
| mNetworkFactory.setWifiState(true); |
| // Inform metrics that Wifi is Enabled (but not yet connected) |
| mWifiMetrics.setWifiState(WifiMetricsProto.WifiLog.WIFI_DISCONNECTED); |
| mWifiMetrics.logStaEvent(StaEvent.TYPE_WIFI_ENABLED); |
| // Inform sar manager that wifi is Enabled |
| mSarManager.setClientWifiState(WifiManager.WIFI_STATE_ENABLED); |
| mWifiScoreCard.noteSupplicantStateChanged(mWifiInfo); |
| } |
| |
| @Override |
| public void exit() { |
| mOperationalMode = DISABLED_MODE; |
| // Let the system know that wifi is not available since we are exiting client mode. |
| mNetworkInfo.setIsAvailable(false); |
| if (mNetworkAgent != null) mNetworkAgent.sendNetworkInfo(mNetworkInfo); |
| |
| // Inform WifiConnectivityManager that Wifi is disabled |
| mWifiConnectivityManager.setWifiEnabled(false); |
| mNetworkFactory.setWifiState(false); |
| // Inform metrics that Wifi is being disabled (Toggled, airplane enabled, etc) |
| mWifiMetrics.setWifiState(WifiMetricsProto.WifiLog.WIFI_DISABLED); |
| mWifiMetrics.logStaEvent(StaEvent.TYPE_WIFI_DISABLED); |
| // Inform scorecard that wifi is being disabled |
| mWifiScoreCard.noteWifiDisabled(mWifiInfo); |
| // Inform sar manager that wifi is being disabled |
| mSarManager.setClientWifiState(WifiManager.WIFI_STATE_DISABLED); |
| |
| if (!mWifiNative.removeAllNetworks(mInterfaceName)) { |
| loge("Failed to remove networks on exiting connect mode"); |
| } |
| mWifiInfo.reset(); |
| mWifiInfo.setSupplicantState(SupplicantState.DISCONNECTED); |
| mWifiScoreCard.noteSupplicantStateChanged(mWifiInfo); |
| stopClientMode(); |
| } |
| |
| @Override |
| public boolean processMessage(Message message) { |
| WifiConfiguration config; |
| int netId; |
| boolean ok; |
| boolean didDisconnect; |
| String bssid; |
| String ssid; |
| NetworkUpdateResult result; |
| Set<Integer> removedNetworkIds; |
| int reasonCode; |
| boolean timedOut; |
| boolean handleStatus = HANDLED; |
| |
| switch (message.what) { |
| case WifiMonitor.ASSOCIATION_REJECTION_EVENT: |
| mWifiDiagnostics.captureBugReportData( |
| WifiDiagnostics.REPORT_REASON_ASSOC_FAILURE); |
| mDidBlackListBSSID = false; |
| bssid = (String) message.obj; |
| timedOut = message.arg1 > 0; |
| reasonCode = message.arg2; |
| Log.d(TAG, "Association Rejection event: bssid=" + bssid + " reason code=" |
| + reasonCode + " timedOut=" + Boolean.toString(timedOut)); |
| if (bssid == null || TextUtils.isEmpty(bssid)) { |
| // If BSSID is null, use the target roam BSSID |
| bssid = mTargetRoamBSSID; |
| } |
| if (bssid != null) { |
| // If we have a BSSID, tell configStore to black list it |
| mDidBlackListBSSID = mWifiConnectivityManager.trackBssid(bssid, false, |
| reasonCode); |
| } |
| mWifiConfigManager.updateNetworkSelectionStatus(mTargetNetworkId, |
| WifiConfiguration.NetworkSelectionStatus |
| .DISABLED_ASSOCIATION_REJECTION); |
| mWifiConfigManager.setRecentFailureAssociationStatus(mTargetNetworkId, |
| reasonCode); |
| mSupplicantStateTracker.sendMessage(WifiMonitor.ASSOCIATION_REJECTION_EVENT); |
| // If rejection occurred while Metrics is tracking a ConnnectionEvent, end it. |
| reportConnectionAttemptEnd( |
| timedOut |
| ? WifiMetrics.ConnectionEvent.FAILURE_ASSOCIATION_TIMED_OUT |
| : WifiMetrics.ConnectionEvent.FAILURE_ASSOCIATION_REJECTION, |
| WifiMetricsProto.ConnectionEvent.HLF_NONE, |
| WifiMetricsProto.ConnectionEvent.FAILURE_REASON_UNKNOWN); |
| mWifiInjector.getWifiLastResortWatchdog() |
| .noteConnectionFailureAndTriggerIfNeeded( |
| getTargetSsid(), bssid, |
| WifiLastResortWatchdog.FAILURE_CODE_ASSOCIATION); |
| break; |
| case WifiMonitor.AUTHENTICATION_FAILURE_EVENT: |
| mWifiDiagnostics.captureBugReportData( |
| WifiDiagnostics.REPORT_REASON_AUTH_FAILURE); |
| mSupplicantStateTracker.sendMessage(WifiMonitor.AUTHENTICATION_FAILURE_EVENT); |
| int disableReason = WifiConfiguration.NetworkSelectionStatus |
| .DISABLED_AUTHENTICATION_FAILURE; |
| reasonCode = message.arg1; |
| // Check if this is a permanent wrong password failure. |
| if (isPermanentWrongPasswordFailure(mTargetNetworkId, reasonCode)) { |
| disableReason = WifiConfiguration.NetworkSelectionStatus |
| .DISABLED_BY_WRONG_PASSWORD; |
| WifiConfiguration targetedNetwork = |
| mWifiConfigManager.getConfiguredNetwork(mTargetNetworkId); |
| if (targetedNetwork != null) { |
| mWrongPasswordNotifier.onWrongPasswordError( |
| targetedNetwork.SSID); |
| } |
| } else if (reasonCode == WifiManager.ERROR_AUTH_FAILURE_EAP_FAILURE) { |
| int errorCode = message.arg2; |
| handleEapAuthFailure(mTargetNetworkId, errorCode); |
| if (errorCode == WifiNative.EAP_SIM_NOT_SUBSCRIBED) { |
| disableReason = WifiConfiguration.NetworkSelectionStatus |
| .DISABLED_AUTHENTICATION_NO_SUBSCRIPTION; |
| } |
| } |
| mWifiConfigManager.updateNetworkSelectionStatus( |
| mTargetNetworkId, disableReason); |
| mWifiConfigManager.clearRecentFailureReason(mTargetNetworkId); |
| |
| //If failure occurred while Metrics is tracking a ConnnectionEvent, end it. |
| int level2FailureReason; |
| switch (reasonCode) { |
| case WifiManager.ERROR_AUTH_FAILURE_NONE: |
| level2FailureReason = |
| WifiMetricsProto.ConnectionEvent.AUTH_FAILURE_NONE; |
| break; |
| case WifiManager.ERROR_AUTH_FAILURE_TIMEOUT: |
| level2FailureReason = |
| WifiMetricsProto.ConnectionEvent.AUTH_FAILURE_TIMEOUT; |
| break; |
| case WifiManager.ERROR_AUTH_FAILURE_WRONG_PSWD: |
| level2FailureReason = |
| WifiMetricsProto.ConnectionEvent.AUTH_FAILURE_WRONG_PSWD; |
| break; |
| case WifiManager.ERROR_AUTH_FAILURE_EAP_FAILURE: |
| level2FailureReason = |
| WifiMetricsProto.ConnectionEvent.AUTH_FAILURE_EAP_FAILURE; |
| break; |
| default: |
| level2FailureReason = |
| WifiMetricsProto.ConnectionEvent.FAILURE_REASON_UNKNOWN; |
| break; |
| } |
| reportConnectionAttemptEnd( |
| WifiMetrics.ConnectionEvent.FAILURE_AUTHENTICATION_FAILURE, |
| WifiMetricsProto.ConnectionEvent.HLF_NONE, |
| level2FailureReason); |
| if (reasonCode != WifiManager.ERROR_AUTH_FAILURE_WRONG_PSWD) { |
| mWifiInjector.getWifiLastResortWatchdog() |
| .noteConnectionFailureAndTriggerIfNeeded( |
| getTargetSsid(), mTargetRoamBSSID, |
| WifiLastResortWatchdog.FAILURE_CODE_AUTHENTICATION); |
| } |
| break; |
| case WifiMonitor.SUPPLICANT_STATE_CHANGE_EVENT: |
| SupplicantState state = handleSupplicantStateChange(message); |
| |
| // Supplicant can fail to report a NETWORK_DISCONNECTION_EVENT |
| // when authentication times out after a successful connection, |
| // we can figure this from the supplicant state. If supplicant |
| // state is DISCONNECTED, but the mNetworkInfo says we are not |
| // disconnected, we need to handle a disconnection |
| if (state == SupplicantState.DISCONNECTED |
| && mNetworkInfo.getState() != NetworkInfo.State.DISCONNECTED) { |
| if (mVerboseLoggingEnabled) { |
| log("Missed CTRL-EVENT-DISCONNECTED, disconnect"); |
| } |
| handleNetworkDisconnect(); |
| transitionTo(mDisconnectedState); |
| } |
| |
| // If we have COMPLETED a connection to a BSSID, start doing |
| // DNAv4/DNAv6 -style probing for on-link neighbors of |
| // interest (e.g. routers); harmless if none are configured. |
| if (state == SupplicantState.COMPLETED) { |
| if (mIpClient != null) { |
| mIpClient.confirmConfiguration(); |
| } |
| mWifiScoreReport.noteIpCheck(); |
| } |
| break; |
| case WifiP2pServiceImpl.DISCONNECT_WIFI_REQUEST: |
| if (message.arg1 == 1) { |
| mWifiMetrics.logStaEvent(StaEvent.TYPE_FRAMEWORK_DISCONNECT, |
| StaEvent.DISCONNECT_P2P_DISCONNECT_WIFI_REQUEST); |
| mWifiNative.disconnect(mInterfaceName); |
| mTemporarilyDisconnectWifi = true; |
| } else { |
| mWifiNative.reconnect(mInterfaceName); |
| mTemporarilyDisconnectWifi = false; |
| } |
| break; |
| case CMD_REMOVE_NETWORK: |
| if (!deleteNetworkConfigAndSendReply(message, false)) { |
| // failed to remove the config and caller was notified |
| mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL; |
| break; |
| } |
| // we successfully deleted the network config |
| netId = message.arg1; |
| if (netId == mTargetNetworkId || netId == mLastNetworkId) { |
| // Disconnect and let autojoin reselect a new network |
| sendMessage(CMD_DISCONNECT); |
| } |
| break; |
| case CMD_ENABLE_NETWORK: |
| boolean disableOthers = message.arg2 == 1; |
| netId = message.arg1; |
| if (disableOthers) { |
| // If the app has all the necessary permissions, this will trigger a connect |
| // attempt. |
| ok = connectToUserSelectNetwork(netId, message.sendingUid, false); |
| } else { |
| ok = mWifiConfigManager.enableNetwork(netId, false, message.sendingUid); |
| } |
| if (!ok) { |
| mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL; |
| } |
| replyToMessage(message, message.what, ok ? SUCCESS : FAILURE); |
| break; |
| case WifiManager.DISABLE_NETWORK: |
| netId = message.arg1; |
| if (mWifiConfigManager.disableNetwork(netId, message.sendingUid)) { |
| replyToMessage(message, WifiManager.DISABLE_NETWORK_SUCCEEDED); |
| if (netId == mTargetNetworkId || netId == mLastNetworkId) { |
| // Disconnect and let autojoin reselect a new network |
| sendMessage(CMD_DISCONNECT); |
| } |
| } else { |
| loge("Failed to disable network"); |
| mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL; |
| replyToMessage(message, WifiManager.DISABLE_NETWORK_FAILED, |
| WifiManager.ERROR); |
| } |
| break; |
| case CMD_DISABLE_EPHEMERAL_NETWORK: |
| config = mWifiConfigManager.disableEphemeralNetwork((String) message.obj); |
| if (config != null) { |
| if (config.networkId == mTargetNetworkId |
| || config.networkId == mLastNetworkId) { |
| // Disconnect and let autojoin reselect a new network |
| sendMessage(CMD_DISCONNECT); |
| } |
| } |
| break; |
| case WifiMonitor.SUP_REQUEST_IDENTITY: |
| netId = message.arg2; |
| boolean identitySent = false; |
| // For SIM & AKA/AKA' EAP method Only, get identity from ICC |
| if (mTargetWifiConfiguration != null |
| && mTargetWifiConfiguration.networkId == netId |
| && TelephonyUtil.isSimConfig(mTargetWifiConfiguration)) { |
| // Pair<identity, encrypted identity> |
| Pair<String, String> identityPair = |
| TelephonyUtil.getSimIdentity(getTelephonyManager(), |
| new TelephonyUtil(), mTargetWifiConfiguration, |
| mWifiInjector.getCarrierNetworkConfig()); |
| Log.i(TAG, "SUP_REQUEST_IDENTITY: identityPair=" + identityPair); |
| if (identityPair != null && identityPair.first != null) { |
| mWifiNative.simIdentityResponse(mInterfaceName, netId, |
| identityPair.first, identityPair.second); |
| identitySent = true; |
| } else { |
| Log.e(TAG, "Unable to retrieve identity from Telephony"); |
| } |
| } |
| |
| if (!identitySent) { |
| // Supplicant lacks credentials to connect to that network, hence black list |
| ssid = (String) message.obj; |
| if (mTargetWifiConfiguration != null && ssid != null |
| && mTargetWifiConfiguration.SSID != null |
| && mTargetWifiConfiguration.SSID.equals("\"" + ssid + "\"")) { |
| mWifiConfigManager.updateNetworkSelectionStatus( |
| mTargetWifiConfiguration.networkId, |
| WifiConfiguration.NetworkSelectionStatus |
| .DISABLED_AUTHENTICATION_NO_CREDENTIALS); |
| } |
| mWifiMetrics.logStaEvent(StaEvent.TYPE_FRAMEWORK_DISCONNECT, |
| StaEvent.DISCONNECT_GENERIC); |
| mWifiNative.disconnect(mInterfaceName); |
| } |
| break; |
| case WifiMonitor.SUP_REQUEST_SIM_AUTH: |
| logd("Received SUP_REQUEST_SIM_AUTH"); |
| SimAuthRequestData requestData = (SimAuthRequestData) message.obj; |
| if (requestData != null) { |
| if (requestData.protocol == WifiEnterpriseConfig.Eap.SIM) { |
| handleGsmAuthRequest(requestData); |
| } else if (requestData.protocol == WifiEnterpriseConfig.Eap.AKA |
| || requestData.protocol == WifiEnterpriseConfig.Eap.AKA_PRIME) { |
| handle3GAuthRequest(requestData); |
| } |
| } else { |
| loge("Invalid SIM auth request"); |
| } |
| break; |
| case CMD_GET_MATCHING_OSU_PROVIDERS: |
| replyToMessage(message, message.what, |
| mPasspointManager.getMatchingOsuProviders( |
| (List<ScanResult>) message.obj)); |
| break; |
| case CMD_GET_MATCHING_PASSPOINT_CONFIGS_FOR_OSU_PROVIDERS: |
| replyToMessage(message, message.what, |
| mPasspointManager.getMatchingPasspointConfigsForOsuProviders( |
| (List<OsuProvider>) message.obj)); |
| break; |
| case CMD_GET_WIFI_CONFIGS_FOR_PASSPOINT_PROFILES: |
| replyToMessage(message, message.what, |
| mPasspointManager.getWifiConfigsForPasspointProfiles( |
| (List<String>) message.obj)); |
| |
| break; |
| case CMD_START_SUBSCRIPTION_PROVISIONING: |
| IProvisioningCallback callback = (IProvisioningCallback) message.obj; |
| OsuProvider provider = |
| (OsuProvider) message.getData().getParcelable(EXTRA_OSU_PROVIDER); |
| int res = mPasspointManager.startSubscriptionProvisioning( |
| message.arg1, provider, callback) ? 1 : 0; |
| replyToMessage(message, message.what, res); |
| break; |
| case CMD_RECONNECT: |
| WorkSource workSource = (WorkSource) message.obj; |
| mWifiConnectivityManager.forceConnectivityScan(workSource); |
| break; |
| case CMD_REASSOCIATE: |
| mLastConnectAttemptTimestamp = mClock.getWallClockMillis(); |
| mWifiNative.reassociate(mInterfaceName); |
| break; |
| case CMD_START_ROAM: |
| mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_DISCARD; |
| break; |
| case CMD_START_CONNECT: |
| /* connect command coming from auto-join */ |
| netId = message.arg1; |
| int uid = message.arg2; |
| bssid = (String) message.obj; |
| |
| if (!hasConnectionRequests()) { |
| if (mNetworkAgent == null) { |
| loge("CMD_START_CONNECT but no requests and not connected," |
| + " bailing"); |
| break; |
| } else if (!mWifiPermissionsUtil.checkNetworkSettingsPermission(uid)) { |
| loge("CMD_START_CONNECT but no requests and connected, but app " |
| + "does not have sufficient permissions, bailing"); |
| break; |
| } |
| } |
| config = mWifiConfigManager.getConfiguredNetworkWithoutMasking(netId); |
| logd("CMD_START_CONNECT sup state " |
| + mSupplicantStateTracker.getSupplicantStateName() |
| + " my state " + getCurrentState().getName() |
| + " nid=" + Integer.toString(netId) |
| + " roam=" + Boolean.toString(mIsAutoRoaming)); |
| if (config == null) { |
| loge("CMD_START_CONNECT and no config, bail out..."); |
| break; |
| } |
| // Update scorecard while there is still state from existing connection |
| mWifiScoreCard.noteConnectionAttempt(mWifiInfo); |
| mTargetNetworkId = netId; |
| setTargetBssid(config, bssid); |
| |
| reportConnectionAttemptStart(config, mTargetRoamBSSID, |
| WifiMetricsProto.ConnectionEvent.ROAM_UNRELATED); |
| if (config.macRandomizationSetting |
| == WifiConfiguration.RANDOMIZATION_PERSISTENT |
| && mConnectedMacRandomzationSupported) { |
| configureRandomizedMacAddress(config); |
| } else { |
| setCurrentMacToFactoryMac(config); |
| } |
| |
| String currentMacAddress = mWifiNative.getMacAddress(mInterfaceName); |
| mWifiInfo.setMacAddress(currentMacAddress); |
| Log.i(TAG, "Connecting with " + currentMacAddress + " as the mac address"); |
| |
| if (config.enterpriseConfig != null |
| && TelephonyUtil.isSimEapMethod(config.enterpriseConfig.getEapMethod()) |
| && mWifiInjector.getCarrierNetworkConfig() |
| .isCarrierEncryptionInfoAvailable() |
| && TextUtils.isEmpty(config.enterpriseConfig.getAnonymousIdentity())) { |
| String anonAtRealm = TelephonyUtil.getAnonymousIdentityWith3GppRealm( |
| getTelephonyManager()); |
| config.enterpriseConfig.setAnonymousIdentity(anonAtRealm); |
| } |
| |
| if (mWifiNative.connectToNetwork(mInterfaceName, config)) { |
| mWifiMetrics.logStaEvent(StaEvent.TYPE_CMD_START_CONNECT, config); |
| mLastConnectAttemptTimestamp = mClock.getWallClockMillis(); |
| mTargetWifiConfiguration = config; |
| mIsAutoRoaming = false; |
| if (getCurrentState() != mDisconnectedState) { |
| transitionTo(mDisconnectingState); |
| } |
| } else { |
| loge("CMD_START_CONNECT Failed to start connection to network " + config); |
| reportConnectionAttemptEnd( |
| WifiMetrics.ConnectionEvent.FAILURE_CONNECT_NETWORK_FAILED, |
| WifiMetricsProto.ConnectionEvent.HLF_NONE, |
| WifiMetricsProto.ConnectionEvent.FAILURE_REASON_UNKNOWN); |
| replyToMessage(message, WifiManager.CONNECT_NETWORK_FAILED, |
| WifiManager.ERROR); |
| break; |
| } |
| break; |
| case CMD_REMOVE_APP_CONFIGURATIONS: |
| removedNetworkIds = |
| mWifiConfigManager.removeNetworksForApp((ApplicationInfo) message.obj); |
| if (removedNetworkIds.contains(mTargetNetworkId) |
| || removedNetworkIds.contains(mLastNetworkId)) { |
| // Disconnect and let autojoin reselect a new network. |
| sendMessage(CMD_DISCONNECT); |
| } |
| break; |
| case CMD_REMOVE_USER_CONFIGURATIONS: |
| removedNetworkIds = |
| mWifiConfigManager.removeNetworksForUser((Integer) message.arg1); |
| if (removedNetworkIds.contains(mTargetNetworkId) |
| || removedNetworkIds.contains(mLastNetworkId)) { |
| // Disconnect and let autojoin reselect a new network. |
| sendMessage(CMD_DISCONNECT); |
| } |
| break; |
| case WifiManager.CONNECT_NETWORK: |
| /** |
| * The connect message can contain a network id passed as arg1 on message or |
| * or a config passed as obj on message. |
| * For a new network, a config is passed to create and connect. |
| * For an existing network, a network id is passed |
| */ |
| netId = message.arg1; |
| config = (WifiConfiguration) message.obj; |
| boolean hasCredentialChanged = false; |
| // New network addition. |
| if (config != null) { |
| result = mWifiConfigManager.addOrUpdateNetwork(config, message.sendingUid); |
| if (!result.isSuccess()) { |
| loge("CONNECT_NETWORK adding/updating config=" + config + " failed"); |
| mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL; |
| replyToMessage(message, WifiManager.CONNECT_NETWORK_FAILED, |
| WifiManager.ERROR); |
| break; |
| } |
| netId = result.getNetworkId(); |
| hasCredentialChanged = result.hasCredentialChanged(); |
| } |
| if (!connectToUserSelectNetwork( |
| netId, message.sendingUid, hasCredentialChanged)) { |
| mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL; |
| replyToMessage(message, WifiManager.CONNECT_NETWORK_FAILED, |
| WifiManager.NOT_AUTHORIZED); |
| break; |
| } |
| mWifiMetrics.logStaEvent(StaEvent.TYPE_CONNECT_NETWORK, config); |
| broadcastWifiCredentialChanged(WifiManager.WIFI_CREDENTIAL_SAVED, config); |
| replyToMessage(message, WifiManager.CONNECT_NETWORK_SUCCEEDED); |
| break; |
| case WifiManager.SAVE_NETWORK: |
| result = saveNetworkConfigAndSendReply(message); |
| netId = result.getNetworkId(); |
| if (result.isSuccess() && mWifiInfo.getNetworkId() == netId) { |
| if (result.hasCredentialChanged()) { |
| config = (WifiConfiguration) message.obj; |
| // The network credentials changed and we're connected to this network, |
| // start a new connection with the updated credentials. |
| logi("SAVE_NETWORK credential changed for config=" + config.configKey() |
| + ", Reconnecting."); |
| startConnectToNetwork(netId, message.sendingUid, SUPPLICANT_BSSID_ANY); |
| } else { |
| if (result.hasProxyChanged()) { |
| if (mIpClient != null) { |
| log("Reconfiguring proxy on connection"); |
| mIpClient.setHttpProxy( |
| getCurrentWifiConfiguration().getHttpProxy()); |
| } |
| } |
| if (result.hasIpChanged()) { |
| // The current connection configuration was changed |
| // We switched from DHCP to static or from static to DHCP, or the |
| // static IP address has changed. |
| log("Reconfiguring IP on connection"); |
| // TODO(b/36576642): clear addresses and disable IPv6 |
| // to simplify obtainingIpState. |
| transitionTo(mObtainingIpState); |
| } |
| } |
| } |
| break; |
| case WifiManager.FORGET_NETWORK: |
| if (!deleteNetworkConfigAndSendReply(message, true)) { |
| // Caller was notified of failure, nothing else to do |
| break; |
| } |
| // the network was deleted |
| netId = message.arg1; |
| if (netId == mTargetNetworkId || netId == mLastNetworkId) { |
| // Disconnect and let autojoin reselect a new network |
| sendMessage(CMD_DISCONNECT); |
| } |
| break; |
| case CMD_ASSOCIATED_BSSID: |
| // This is where we can confirm the connection BSSID. Use it to find the |
| // right ScanDetail to populate metrics. |
| String someBssid = (String) message.obj; |
| if (someBssid != null) { |
| // Get the ScanDetail associated with this BSSID. |
| ScanDetailCache scanDetailCache = |
| mWifiConfigManager.getScanDetailCacheForNetwork(mTargetNetworkId); |
| if (scanDetailCache != null) { |
| mWifiMetrics.setConnectionScanDetail(scanDetailCache.getScanDetail( |
| someBssid)); |
| } |
| } |
| handleStatus = NOT_HANDLED; |
| break; |
| case WifiMonitor.NETWORK_CONNECTION_EVENT: |
| if (mVerboseLoggingEnabled) log("Network connection established"); |
| mLastNetworkId = message.arg1; |
| mWifiConfigManager.clearRecentFailureReason(mLastNetworkId); |
| mLastBssid = (String) message.obj; |
| reasonCode = message.arg2; |
| // TODO: This check should not be needed after ClientModeImpl refactor. |
| // Currently, the last connected network configuration is left in |
| // wpa_supplicant, this may result in wpa_supplicant initiating connection |
| // to it after a config store reload. Hence the old network Id lookups may not |
| // work, so disconnect the network and let network selector reselect a new |
| // network. |
| config = getCurrentWifiConfiguration(); |
| if (config != null) { |
| mWifiInfo.setBSSID(mLastBssid); |
| mWifiInfo.setNetworkId(mLastNetworkId); |
| mWifiInfo.setMacAddress(mWifiNative.getMacAddress(mInterfaceName)); |
| |
| ScanDetailCache scanDetailCache = |
| mWifiConfigManager.getScanDetailCacheForNetwork(config.networkId); |
| if (scanDetailCache != null && mLastBssid != null) { |
| ScanResult scanResult = scanDetailCache.getScanResult(mLastBssid); |
| if (scanResult != null) { |
| mWifiInfo.setFrequency(scanResult.frequency); |
| } |
| } |
| mWifiConnectivityManager.trackBssid(mLastBssid, true, reasonCode); |
| |
| // We need to get the updated pseudonym from supplicant for EAP-SIM/AKA/AKA' |
| if (config.enterpriseConfig != null |
| && TelephonyUtil.isSimEapMethod( |
| config.enterpriseConfig.getEapMethod()) |
| // if using anonymous@<realm>, do not use pseudonym identity on |
| // reauthentication. Instead, use full authentication using |
| // anonymous@<realm> followed by encrypted IMSI every time. |
| // This is because the encrypted IMSI spec does not specify its |
| // compatibility with the pseudonym identity specified by EAP-AKA. |
| && !TelephonyUtil.isAnonymousAtRealmIdentity( |
| config.enterpriseConfig.getAnonymousIdentity())) { |
| String anonymousIdentity = |
| mWifiNative.getEapAnonymousIdentity(mInterfaceName); |
| if (mVerboseLoggingEnabled) { |
| log("EAP Pseudonym: " + anonymousIdentity); |
| } |
| config.enterpriseConfig.setAnonymousIdentity(anonymousIdentity); |
| mWifiConfigManager.addOrUpdateNetwork(config, Process.WIFI_UID); |
| } |
| sendNetworkStateChangeBroadcast(mLastBssid); |
| transitionTo(mObtainingIpState); |
| } else { |
| logw("Connected to unknown networkId " + mLastNetworkId |
| + ", disconnecting..."); |
| sendMessage(CMD_DISCONNECT); |
| } |
| break; |
| case WifiMonitor.NETWORK_DISCONNECTION_EVENT: |
| // Calling handleNetworkDisconnect here is redundant because we might already |
| // have called it when leaving L2ConnectedState to go to disconnecting state |
| // or thru other path |
| // We should normally check the mWifiInfo or mLastNetworkId so as to check |
| // if they are valid, and only in this case call handleNEtworkDisconnect, |
| // TODO: this should be fixed for a L MR release |
| // The side effect of calling handleNetworkDisconnect twice is that a bunch of |
| // idempotent commands are executed twice (stopping Dhcp, enabling the SPS mode |
| // at the chip etc... |
| if (mVerboseLoggingEnabled) log("ConnectModeState: Network connection lost "); |
| handleNetworkDisconnect(); |
| transitionTo(mDisconnectedState); |
| break; |
| case CMD_QUERY_OSU_ICON: |
| mPasspointManager.queryPasspointIcon( |
| ((Bundle) message.obj).getLong(EXTRA_OSU_ICON_QUERY_BSSID), |
| ((Bundle) message.obj).getString(EXTRA_OSU_ICON_QUERY_FILENAME)); |
| break; |
| case CMD_MATCH_PROVIDER_NETWORK: |
| // TODO(b/31065385): Passpoint config management. |
| replyToMessage(message, message.what, 0); |
| break; |
| case CMD_ADD_OR_UPDATE_PASSPOINT_CONFIG: |
| Bundle bundle = (Bundle) message.obj; |
| PasspointConfiguration passpointConfig = bundle.getParcelable( |
| EXTRA_PASSPOINT_CONFIGURATION); |
| if (mPasspointManager.addOrUpdateProvider(passpointConfig, |
| bundle.getInt(EXTRA_UID), |
| bundle.getString(EXTRA_PACKAGE_NAME))) { |
| String fqdn = passpointConfig.getHomeSp().getFqdn(); |
| if (isProviderOwnedNetwork(mTargetNetworkId, fqdn) |
| || isProviderOwnedNetwork(mLastNetworkId, fqdn)) { |
| logd("Disconnect from current network since its provider is updated"); |
| sendMessage(CMD_DISCONNECT); |
| } |
| replyToMessage(message, message.what, SUCCESS); |
| } else { |
| replyToMessage(message, message.what, FAILURE); |
| } |
| break; |
| case CMD_REMOVE_PASSPOINT_CONFIG: |
| String fqdn = (String) message.obj; |
| if (mPasspointManager.removeProvider(fqdn)) { |
| if (isProviderOwnedNetwork(mTargetNetworkId, fqdn) |
| || isProviderOwnedNetwork(mLastNetworkId, fqdn)) { |
| logd("Disconnect from current network since its provider is removed"); |
| sendMessage(CMD_DISCONNECT); |
| } |
| mWifiConfigManager.removePasspointConfiguredNetwork(fqdn); |
| replyToMessage(message, message.what, SUCCESS); |
| } else { |
| replyToMessage(message, message.what, FAILURE); |
| } |
| break; |
| case CMD_GET_ALL_MATCHING_FQDNS_FOR_SCAN_RESULTS: |
| replyToMessage(message, message.what, |
| mPasspointManager.getAllMatchingFqdnsForScanResults( |
| (List<ScanResult>) message.obj)); |
| break; |
| case CMD_TARGET_BSSID: |
| // Trying to associate to this BSSID |
| if (message.obj != null) { |
| mTargetRoamBSSID = (String) message.obj; |
| } |
| break; |
| case CMD_GET_LINK_LAYER_STATS: |
| WifiLinkLayerStats stats = getWifiLinkLayerStats(); |
| replyToMessage(message, message.what, stats); |
| break; |
| case CMD_RESET_SIM_NETWORKS: |
| log("resetting EAP-SIM/AKA/AKA' networks since SIM was changed"); |
| boolean simPresent = message.arg1 == 1; |
| if (!simPresent) { |
| mPasspointManager.removeEphemeralProviders(); |
| mWifiConfigManager.resetSimNetworks(); |
| } |
| break; |
| case CMD_BLUETOOTH_ADAPTER_STATE_CHANGE: |
| mBluetoothConnectionActive = (message.arg1 |
| != BluetoothAdapter.STATE_DISCONNECTED); |
| mWifiNative.setBluetoothCoexistenceScanMode( |
| mInterfaceName, mBluetoothConnectionActive); |
| break; |
| case CMD_SET_SUSPEND_OPT_ENABLED: |
| if (message.arg1 == 1) { |
| setSuspendOptimizationsNative(SUSPEND_DUE_TO_SCREEN, true); |
| if (message.arg2 == 1) { |
| mSuspendWakeLock.release(); |
| } |
| } else { |
| setSuspendOptimizationsNative(SUSPEND_DUE_TO_SCREEN, false); |
| } |
| break; |
| case CMD_SET_HIGH_PERF_MODE: |
| if (message.arg1 == 1) { |
| setSuspendOptimizationsNative(SUSPEND_DUE_TO_HIGH_PERF, false); |
| } else { |
| setSuspendOptimizationsNative(SUSPEND_DUE_TO_HIGH_PERF, true); |
| } |
| break; |
| case CMD_ENABLE_TDLS: |
| if (message.obj != null) { |
| String remoteAddress = (String) message.obj; |
| boolean enable = (message.arg1 == 1); |
| mWifiNative.startTdls(mInterfaceName, remoteAddress, enable); |
| } |
| break; |
| case WifiMonitor.ANQP_DONE_EVENT: |
| // TODO(zqiu): remove this when switch over to wificond for ANQP requests. |
| mPasspointManager.notifyANQPDone((AnqpEvent) message.obj); |
| break; |
| case CMD_STOP_IP_PACKET_OFFLOAD: { |
| int slot = message.arg1; |
| int ret = stopWifiIPPacketOffload(slot); |
| if (mNetworkAgent != null) { |
| mNetworkAgent.onSocketKeepaliveEvent(slot, ret); |
| } |
| break; |
| } |
| case WifiMonitor.RX_HS20_ANQP_ICON_EVENT: |
| // TODO(zqiu): remove this when switch over to wificond for icon requests. |
| mPasspointManager.notifyIconDone((IconEvent) message.obj); |
| break; |
| case WifiMonitor.HS20_REMEDIATION_EVENT: |
| // TODO(zqiu): remove this when switch over to wificond for WNM frames |
| // monitoring. |
| mPasspointManager.receivedWnmFrame((WnmData) message.obj); |
| break; |
| case CMD_CONFIG_ND_OFFLOAD: |
| final boolean enabled = (message.arg1 > 0); |
| mWifiNative.configureNeighborDiscoveryOffload(mInterfaceName, enabled); |
| break; |
| case CMD_ENABLE_WIFI_CONNECTIVITY_MANAGER: |
| mWifiConnectivityManager.enable(message.arg1 == 1 ? true : false); |
| break; |
| default: |
| handleStatus = NOT_HANDLED; |
| break; |
| } |
| |
| if (handleStatus == HANDLED) { |
| logStateAndMessage(message, this); |
| } |
| |
| return handleStatus; |
| } |
| } |
| |
| private WifiNetworkAgentSpecifier createNetworkAgentSpecifier( |
| @NonNull WifiConfiguration currentWifiConfiguration, @Nullable String currentBssid, |
| int specificRequestUid, @NonNull String specificRequestPackageName) { |
| currentWifiConfiguration.BSSID = currentBssid; |
| WifiNetworkAgentSpecifier wns = |
| new WifiNetworkAgentSpecifier(currentWifiConfiguration, specificRequestUid, |
| specificRequestPackageName); |
| return wns; |
| } |
| |
| private NetworkCapabilities getCapabilities(WifiConfiguration currentWifiConfiguration) { |
| final NetworkCapabilities result = new NetworkCapabilities(mNetworkCapabilitiesFilter); |
| // MatchAllNetworkSpecifier set in the mNetworkCapabilitiesFilter should never be set in the |
| // agent's specifier. |
| result.setNetworkSpecifier(null); |
| if (currentWifiConfiguration == null) { |
| return result; |
| } |
| |
| if (!mWifiInfo.isTrusted()) { |
| result.removeCapability(NetworkCapabilities.NET_CAPABILITY_TRUSTED); |
| } else { |
| result.addCapability(NetworkCapabilities.NET_CAPABILITY_TRUSTED); |
| } |
| |
| if (!WifiConfiguration.isMetered(currentWifiConfiguration, mWifiInfo)) { |
| result.addCapability(NetworkCapabilities.NET_CAPABILITY_NOT_METERED); |
| } else { |
| result.removeCapability(NetworkCapabilities.NET_CAPABILITY_NOT_METERED); |
| } |
| |
| if (mWifiInfo.getRssi() != WifiInfo.INVALID_RSSI) { |
| result.setSignalStrength(mWifiInfo.getRssi()); |
| } else { |
| result.setSignalStrength(NetworkCapabilities.SIGNAL_STRENGTH_UNSPECIFIED); |
| } |
| |
| if (currentWifiConfiguration.osu) { |
| result.removeCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET); |
| } |
| |
| if (!mWifiInfo.getSSID().equals(WifiSsid.NONE)) { |
| result.setSSID(mWifiInfo.getSSID()); |
| } else { |
| result.setSSID(null); |
| } |
| Pair<Integer, String> specificRequestUidAndPackageName = |
| mNetworkFactory.getSpecificNetworkRequestUidAndPackageName( |
| currentWifiConfiguration); |
| // There is an active specific request. |
| if (specificRequestUidAndPackageName.first != Process.INVALID_UID) { |
| // Remove internet capability. |
| result.removeCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET); |
| } |
| // Fill up the network agent specifier for this connection. |
| result.setNetworkSpecifier( |
| createNetworkAgentSpecifier( |
| currentWifiConfiguration, getCurrentBSSID(), |
| specificRequestUidAndPackageName.first, |
| specificRequestUidAndPackageName.second)); |
| return result; |
| } |
| |
| /** |
| * Method to update network capabilities from the current WifiConfiguration. |
| */ |
| public void updateCapabilities() { |
| updateCapabilities(getCurrentWifiConfiguration()); |
| } |
| |
| private void updateCapabilities(WifiConfiguration currentWifiConfiguration) { |
| if (mNetworkAgent == null) { |
| return; |
| } |
| mNetworkAgent.sendNetworkCapabilities(getCapabilities(currentWifiConfiguration)); |
| } |
| |
| /** |
| * Checks if the given network |networkdId| is provided by the given Passpoint provider with |
| * |providerFqdn|. |
| * |
| * @param networkId The ID of the network to check |
| * @param providerFqdn The FQDN of the Passpoint provider |
| * @return true if the given network is provided by the given Passpoint provider |
| */ |
| private boolean isProviderOwnedNetwork(int networkId, String providerFqdn) { |
| if (networkId == WifiConfiguration.INVALID_NETWORK_ID) { |
| return false; |
| } |
| WifiConfiguration config = mWifiConfigManager.getConfiguredNetwork(networkId); |
| if (config == null) { |
| return false; |
| } |
| return TextUtils.equals(config.FQDN, providerFqdn); |
| } |
| |
| private void handleEapAuthFailure(int networkId, int errorCode) { |
| WifiConfiguration targetedNetwork = |
| mWifiConfigManager.getConfiguredNetwork(mTargetNetworkId); |
| if (targetedNetwork != null) { |
| switch (targetedNetwork.enterpriseConfig.getEapMethod()) { |
| case WifiEnterpriseConfig.Eap.SIM: |
| case WifiEnterpriseConfig.Eap.AKA: |
| case WifiEnterpriseConfig.Eap.AKA_PRIME: |
| if (errorCode == WifiNative.EAP_SIM_VENDOR_SPECIFIC_CERT_EXPIRED) { |
| getTelephonyManager() |
| .createForSubscriptionId( |
| SubscriptionManager.getDefaultDataSubscriptionId()) |
| .resetCarrierKeysForImsiEncryption(); |
| } |
| break; |
| |
| default: |
| // Do Nothing |
| } |
| } |
| } |
| |
| private class WifiNetworkAgent extends NetworkAgent { |
| WifiNetworkAgent(Looper l, Context c, String tag, NetworkInfo ni, |
| NetworkCapabilities nc, LinkProperties lp, int score, NetworkMisc misc) { |
| super(l, c, tag, ni, nc, lp, score, misc); |
| } |
| private int mLastNetworkStatus = -1; // To detect when the status really changes |
| |
| @Override |
| protected void unwanted() { |
| // Ignore if we're not the current networkAgent. |
| if (this != mNetworkAgent) return; |
| if (mVerboseLoggingEnabled) { |
| log("WifiNetworkAgent -> Wifi unwanted score " + Integer.toString(mWifiInfo.score)); |
| } |
| unwantedNetwork(NETWORK_STATUS_UNWANTED_DISCONNECT); |
| } |
| |
| @Override |
| protected void networkStatus(int status, String redirectUrl) { |
| if (this != mNetworkAgent) return; |
| if (status == mLastNetworkStatus) return; |
| mLastNetworkStatus = status; |
| if (status == NetworkAgent.INVALID_NETWORK) { |
| if (mVerboseLoggingEnabled) { |
| log("WifiNetworkAgent -> Wifi networkStatus invalid, score=" |
| + Integer.toString(mWifiInfo.score)); |
| } |
| unwantedNetwork(NETWORK_STATUS_UNWANTED_VALIDATION_FAILED); |
| } else if (status == NetworkAgent.VALID_NETWORK) { |
| if (mVerboseLoggingEnabled) { |
| log("WifiNetworkAgent -> Wifi networkStatus valid, score= " |
| + Integer.toString(mWifiInfo.score)); |
| } |
| mWifiMetrics.logStaEvent(StaEvent.TYPE_NETWORK_AGENT_VALID_NETWORK); |
| doNetworkStatus(status); |
| } |
| } |
| |
| @Override |
| protected void saveAcceptUnvalidated(boolean accept) { |
| if (this != mNetworkAgent) return; |
| ClientModeImpl.this.sendMessage(CMD_ACCEPT_UNVALIDATED, accept ? 1 : 0); |
| } |
| |
| @Override |
| protected void startSocketKeepalive(Message msg) { |
| ClientModeImpl.this.sendMessage( |
| CMD_START_IP_PACKET_OFFLOAD, msg.arg1, msg.arg2, msg.obj); |
| } |
| |
| @Override |
| protected void stopSocketKeepalive(Message msg) { |
| ClientModeImpl.this.sendMessage( |
| CMD_STOP_IP_PACKET_OFFLOAD, msg.arg1, msg.arg2, msg.obj); |
| } |
| |
| @Override |
| protected void addKeepalivePacketFilter(Message msg) { |
| ClientModeImpl.this.sendMessage( |
| CMD_ADD_KEEPALIVE_PACKET_FILTER_TO_APF, msg.arg1, msg.arg2, msg.obj); |
| } |
| |
| @Override |
| protected void removeKeepalivePacketFilter(Message msg) { |
| ClientModeImpl.this.sendMessage( |
| CMD_REMOVE_KEEPALIVE_PACKET_FILTER_FROM_APF, msg.arg1, msg.arg2, msg.obj); |
| } |
| |
| @Override |
| protected void setSignalStrengthThresholds(int[] thresholds) { |
| // 0. If there are no thresholds, or if the thresholds are invalid, |
| // stop RSSI monitoring. |
| // 1. Tell the hardware to start RSSI monitoring here, possibly adding MIN_VALUE and |
| // MAX_VALUE at the start/end of the thresholds array if necessary. |
| // 2. Ensure that when the hardware event fires, we fetch the RSSI from the hardware |
| // event, call mWifiInfo.setRssi() with it, and call updateCapabilities(), and then |
| // re-arm the hardware event. This needs to be done on the state machine thread to |
| // avoid race conditions. The RSSI used to re-arm the event (and perhaps also the one |
| // sent in the NetworkCapabilities) must be the one received from the hardware event |
| // received, or we might skip callbacks. |
| // 3. Ensure that when we disconnect, RSSI monitoring is stopped. |
| log("Received signal strength thresholds: " + Arrays.toString(thresholds)); |
| if (thresholds.length == 0) { |
| ClientModeImpl.this.sendMessage(CMD_STOP_RSSI_MONITORING_OFFLOAD, |
| mWifiInfo.getRssi()); |
| return; |
| } |
| int [] rssiVals = Arrays.copyOf(thresholds, thresholds.length + 2); |
| rssiVals[rssiVals.length - 2] = Byte.MIN_VALUE; |
| rssiVals[rssiVals.length - 1] = Byte.MAX_VALUE; |
| Arrays.sort(rssiVals); |
| byte[] rssiRange = new byte[rssiVals.length]; |
| for (int i = 0; i < rssiVals.length; i++) { |
| int val = rssiVals[i]; |
| if (val <= Byte.MAX_VALUE && val >= Byte.MIN_VALUE) { |
| rssiRange[i] = (byte) val; |
| } else { |
| Log.e(TAG, "Illegal value " + val + " for RSSI thresholds: " |
| + Arrays.toString(rssiVals)); |
| ClientModeImpl.this.sendMessage(CMD_STOP_RSSI_MONITORING_OFFLOAD, |
| mWifiInfo.getRssi()); |
| return; |
| } |
| } |
| // TODO: Do we quash rssi values in this sorted array which are very close? |
| mRssiRanges = rssiRange; |
| ClientModeImpl.this.sendMessage(CMD_START_RSSI_MONITORING_OFFLOAD, |
| mWifiInfo.getRssi()); |
| } |
| |
| @Override |
| protected void preventAutomaticReconnect() { |
| if (this != mNetworkAgent) return; |
| unwantedNetwork(NETWORK_STATUS_UNWANTED_DISABLE_AUTOJOIN); |
| } |
| } |
| |
| void unwantedNetwork(int reason) { |
| sendMessage(CMD_UNWANTED_NETWORK, reason); |
| } |
| |
| void doNetworkStatus(int status) { |
| sendMessage(CMD_NETWORK_STATUS, status); |
| } |
| |
| // rfc4186 & rfc4187: |
| // create Permanent Identity base on IMSI, |
| // identity = usernam@realm |
| // with username = prefix | IMSI |
| // and realm is derived MMC/MNC tuple according 3GGP spec(TS23.003) |
| private String buildIdentity(int eapMethod, String imsi, String mccMnc) { |
| String mcc; |
| String mnc; |
| String prefix; |
| |
| if (imsi == null || imsi.isEmpty()) { |
| return ""; |
| } |
| |
| if (eapMethod == WifiEnterpriseConfig.Eap.SIM) { |
| prefix = "1"; |
| } else if (eapMethod == WifiEnterpriseConfig.Eap.AKA) { |
| prefix = "0"; |
| } else if (eapMethod == WifiEnterpriseConfig.Eap.AKA_PRIME) { |
| prefix = "6"; |
| } else { |
| // not a valid EapMethod |
| return ""; |
| } |
| |
| /* extract mcc & mnc from mccMnc */ |
| if (mccMnc != null && !mccMnc.isEmpty()) { |
| mcc = mccMnc.substring(0, 3); |
| mnc = mccMnc.substring(3); |
| if (mnc.length() == 2) { |
| mnc = "0" + mnc; |
| } |
| } else { |
| // extract mcc & mnc from IMSI, assume mnc size is 3 |
| mcc = imsi.substring(0, 3); |
| mnc = imsi.substring(3, 6); |
| } |
| |
| return prefix + imsi + "@wlan.mnc" + mnc + ".mcc" + mcc + ".3gppnetwork.org"; |
| } |
| |
| class L2ConnectedState extends State { |
| class RssiEventHandler implements WifiNative.WifiRssiEventHandler { |
| @Override |
| public void onRssiThresholdBreached(byte curRssi) { |
| if (mVerboseLoggingEnabled) { |
| Log.e(TAG, "onRssiThresholdBreach event. Cur Rssi = " + curRssi); |
| } |
| sendMessage(CMD_RSSI_THRESHOLD_BREACHED, curRssi); |
| } |
| } |
| |
| RssiEventHandler mRssiEventHandler = new RssiEventHandler(); |
| |
| @Override |
| public void enter() { |
| mRssiPollToken++; |
| if (mEnableRssiPolling) { |
| mLinkProbeManager.resetOnNewConnection(); |
| sendMessage(CMD_RSSI_POLL, mRssiPollToken, 0); |
| } |
| if (mNetworkAgent != null) { |
| loge("Have NetworkAgent when entering L2Connected"); |
| setNetworkDetailedState(DetailedState.DISCONNECTED); |
| } |
| setNetworkDetailedState(DetailedState.CONNECTING); |
| |
| final NetworkCapabilities nc = getCapabilities(getCurrentWifiConfiguration()); |
| synchronized (mNetworkAgentLock) { |
| mNetworkAgent = new WifiNetworkAgent(getHandler().getLooper(), mContext, |
| "WifiNetworkAgent", mNetworkInfo, nc, mLinkProperties, 60, mNetworkMisc); |
| } |
| |
| // We must clear the config BSSID, as the wifi chipset may decide to roam |
| // from this point on and having the BSSID specified in the network block would |
| // cause the roam to faile and the device to disconnect |
| clearTargetBssid("L2ConnectedState"); |
| mCountryCode.setReadyForChange(false); |
| mWifiMetrics.setWifiState(WifiMetricsProto.WifiLog.WIFI_ASSOCIATED); |
| mWifiScoreCard.noteNetworkAgentCreated(mWifiInfo, mNetworkAgent.netId); |
| } |
| |
| @Override |
| public void exit() { |
| if (mIpClient != null) { |
| mIpClient.stop(); |
| } |
| |
| // This is handled by receiving a NETWORK_DISCONNECTION_EVENT in ConnectModeState |
| // Bug: 15347363 |
| // For paranoia's sake, call handleNetworkDisconnect |
| // only if BSSID is null or last networkId |
| // is not invalid. |
| if (mVerboseLoggingEnabled) { |
| StringBuilder sb = new StringBuilder(); |
| sb.append("leaving L2ConnectedState state nid=" + Integer.toString(mLastNetworkId)); |
| if (mLastBssid != null) { |
| sb.append(" ").append(mLastBssid); |
| } |
| } |
| if (mLastBssid != null || mLastNetworkId != WifiConfiguration.INVALID_NETWORK_ID) { |
| handleNetworkDisconnect(); |
| } |
| mCountryCode.setReadyForChange(true); |
| mWifiMetrics.setWifiState(WifiMetricsProto.WifiLog.WIFI_DISCONNECTED); |
| mWifiStateTracker.updateState(WifiStateTracker.DISCONNECTED); |
| //Inform WifiLockManager |
| WifiLockManager wifiLockManager = mWifiInjector.getWifiLockManager(); |
| wifiLockManager.updateWifiClientConnected(false); |
| } |
| |
| @Override |
| public boolean processMessage(Message message) { |
| boolean handleStatus = HANDLED; |
| |
| switch (message.what) { |
| case CMD_PRE_DHCP_ACTION: |
| handlePreDhcpSetup(); |
| break; |
| case CMD_PRE_DHCP_ACTION_COMPLETE: |
| if (mIpClient != null) { |
| mIpClient.completedPreDhcpAction(); |
| } |
| break; |
| case CMD_POST_DHCP_ACTION: |
| handlePostDhcpSetup(); |
| // We advance to mConnectedState because IpClient will also send a |
| // CMD_IPV4_PROVISIONING_SUCCESS message, which calls handleIPv4Success(), |
| // which calls updateLinkProperties, which then sends |
| // CMD_IP_CONFIGURATION_SUCCESSFUL. |
| // |
| // In the event of failure, we transition to mDisconnectingState |
| // similarly--via messages sent back from IpClient. |
| break; |
| case CMD_IPV4_PROVISIONING_SUCCESS: { |
| handleIPv4Success((DhcpResults) message.obj); |
| sendNetworkStateChangeBroadcast(mLastBssid); |
| break; |
| } |
| case CMD_IPV4_PROVISIONING_FAILURE: { |
| handleIPv4Failure(); |
| mWifiInjector.getWifiLastResortWatchdog() |
| .noteConnectionFailureAndTriggerIfNeeded( |
| getTargetSsid(), mTargetRoamBSSID, |
| WifiLastResortWatchdog.FAILURE_CODE_DHCP); |
| break; |
| } |
| case CMD_IP_CONFIGURATION_SUCCESSFUL: |
| if (getCurrentWifiConfiguration() == null) { |
| // The current config may have been removed while we were connecting, |
| // trigger a disconnect to clear up state. |
| reportConnectionAttemptEnd( |
| WifiMetrics.ConnectionEvent.FAILURE_NETWORK_DISCONNECTION, |
| WifiMetricsProto.ConnectionEvent.HLF_NONE, |
| WifiMetricsProto.ConnectionEvent.FAILURE_REASON_UNKNOWN); |
| mWifiNative.disconnect(mInterfaceName); |
| transitionTo(mDisconnectingState); |
| } else { |
| handleSuccessfulIpConfiguration(); |
| sendConnectedState(); |
| transitionTo(mConnectedState); |
| } |
| break; |
| case CMD_IP_CONFIGURATION_LOST: |
| // Get Link layer stats so that we get fresh tx packet counters. |
| getWifiLinkLayerStats(); |
| handleIpConfigurationLost(); |
| reportConnectionAttemptEnd( |
| WifiMetrics.ConnectionEvent.FAILURE_DHCP, |
| WifiMetricsProto.ConnectionEvent.HLF_NONE, |
| WifiMetricsProto.ConnectionEvent.FAILURE_REASON_UNKNOWN); |
| mWifiInjector.getWifiLastResortWatchdog() |
| .noteConnectionFailureAndTriggerIfNeeded( |
| getTargetSsid(), mTargetRoamBSSID, |
| WifiLastResortWatchdog.FAILURE_CODE_DHCP); |
| transitionTo(mDisconnectingState); |
| break; |
| case CMD_IP_REACHABILITY_LOST: |
| if (mVerboseLoggingEnabled && message.obj != null) log((String) message.obj); |
| mWifiDiagnostics.captureBugReportData( |
| WifiDiagnostics.REPORT_REASON_REACHABILITY_LOST); |
| mWifiMetrics.logWifiIsUnusableEvent( |
| WifiIsUnusableEvent.TYPE_IP_REACHABILITY_LOST); |
| mWifiMetrics.addToWifiUsabilityStatsList(WifiUsabilityStats.LABEL_BAD, |
| WifiUsabilityStats.TYPE_IP_REACHABILITY_LOST, -1); |
| if (mIpReachabilityDisconnectEnabled) { |
| handleIpReachabilityLost(); |
| transitionTo(mDisconnectingState); |
| } else { |
| logd("CMD_IP_REACHABILITY_LOST but disconnect disabled -- ignore"); |
| } |
| break; |
| case CMD_DISCONNECT: |
| mWifiMetrics.logStaEvent(StaEvent.TYPE_FRAMEWORK_DISCONNECT, |
| StaEvent.DISCONNECT_GENERIC); |
| mWifiNative.disconnect(mInterfaceName); |
| transitionTo(mDisconnectingState); |
| break; |
| case WifiP2pServiceImpl.DISCONNECT_WIFI_REQUEST: |
| if (message.arg1 == 1) { |
| mWifiMetrics.logStaEvent(StaEvent.TYPE_FRAMEWORK_DISCONNECT, |
| StaEvent.DISCONNECT_P2P_DISCONNECT_WIFI_REQUEST); |
| mWifiNative.disconnect(mInterfaceName); |
| mTemporarilyDisconnectWifi = true; |
| transitionTo(mDisconnectingState); |
| } |
| break; |
| /* Ignore connection to same network */ |
| case WifiManager.CONNECT_NETWORK: |
| int netId = message.arg1; |
| if (mWifiInfo.getNetworkId() == netId) { |
| replyToMessage(message, WifiManager.CONNECT_NETWORK_SUCCEEDED); |
| break; |
| } |
| handleStatus = NOT_HANDLED; |
| break; |
| case WifiMonitor.NETWORK_CONNECTION_EVENT: |
| mWifiInfo.setBSSID((String) message.obj); |
| mLastNetworkId = message.arg1; |
| mWifiInfo.setNetworkId(mLastNetworkId); |
| mWifiInfo.setMacAddress(mWifiNative.getMacAddress(mInterfaceName)); |
| if (!mLastBssid.equals(message.obj)) { |
| mLastBssid = (String) message.obj; |
| sendNetworkStateChangeBroadcast(mLastBssid); |
| } |
| break; |
| case CMD_ONESHOT_RSSI_POLL: |
| if (!mEnableRssiPolling) { |
| updateLinkLayerStatsRssiAndScoreReportInternal(); |
| } |
| break; |
| case CMD_RSSI_POLL: |
| if (message.arg1 == mRssiPollToken) { |
| WifiLinkLayerStats stats = updateLinkLayerStatsRssiAndScoreReportInternal(); |
| mWifiMetrics.updateWifiUsabilityStatsEntries(mWifiInfo, stats); |
| if (mWifiScoreReport.shouldCheckIpLayer()) { |
| if (mIpClient != null) { |
| mIpClient.confirmConfiguration(); |
| } |
| mWifiScoreReport.noteIpCheck(); |
| } |
| int statusDataStall = |
| mWifiDataStall.checkForDataStall(mLastLinkLayerStats, stats); |
| if (statusDataStall != WifiIsUnusableEvent.TYPE_UNKNOWN) { |
| mWifiMetrics.addToWifiUsabilityStatsList(WifiUsabilityStats.LABEL_BAD, |
| convertToUsabilityStatsTriggerType(statusDataStall), -1); |
| } |
| mWifiMetrics.incrementWifiLinkLayerUsageStats(stats); |
| mLastLinkLayerStats = stats; |
| mWifiScoreCard.noteSignalPoll(mWifiInfo); |
| mLinkProbeManager.updateConnectionStats( |
| mWifiInfo, mInterfaceName); |
| sendMessageDelayed(obtainMessage(CMD_RSSI_POLL, mRssiPollToken, 0), |
| mPollRssiIntervalMsecs); |
| if (mVerboseLoggingEnabled) sendRssiChangeBroadcast(mWifiInfo.getRssi()); |
| mWifiTrafficPoller.notifyOnDataActivity(mWifiInfo.txSuccess, |
| mWifiInfo.rxSuccess); |
| } else { |
| // Polling has completed |
| } |
| break; |
| case CMD_ENABLE_RSSI_POLL: |
| cleanWifiScore(); |
| mEnableRssiPolling = (message.arg1 == 1); |
| mRssiPollToken++; |
| if (mEnableRssiPolling) { |
| // First poll |
| mLastSignalLevel = -1; |
| mLinkProbeManager.resetOnScreenTurnedOn(); |
| fetchRssiLinkSpeedAndFrequencyNative(); |
| sendMessageDelayed(obtainMessage(CMD_RSSI_POLL, mRssiPollToken, 0), |
| mPollRssiIntervalMsecs); |
| } |
| break; |
| case WifiManager.RSSI_PKTCNT_FETCH: |
| RssiPacketCountInfo info = new RssiPacketCountInfo(); |
| fetchRssiLinkSpeedAndFrequencyNative(); |
| info.rssi = mWifiInfo.getRssi(); |
| WifiNative.TxPacketCounters counters = |
| mWifiNative.getTxPacketCounters(mInterfaceName); |
| if (counters != null) { |
| info.txgood = counters.txSucceeded; |
| info.txbad = counters.txFailed; |
| replyToMessage(message, WifiManager.RSSI_PKTCNT_FETCH_SUCCEEDED, info); |
| } else { |
| replyToMessage(message, |
| WifiManager.RSSI_PKTCNT_FETCH_FAILED, WifiManager.ERROR); |
| } |
| break; |
| case CMD_ASSOCIATED_BSSID: |
| if ((String) message.obj == null) { |
| logw("Associated command w/o BSSID"); |
| break; |
| } |
| mLastBssid = (String) message.obj; |
| if (mLastBssid != null && (mWifiInfo.getBSSID() == null |
| || !mLastBssid.equals(mWifiInfo.getBSSID()))) { |
| mWifiInfo.setBSSID(mLastBssid); |
| WifiConfiguration config = getCurrentWifiConfiguration(); |
| if (config != null) { |
| ScanDetailCache scanDetailCache = mWifiConfigManager |
| .getScanDetailCacheForNetwork(config.networkId); |
| if (scanDetailCache != null) { |
| ScanResult scanResult = scanDetailCache.getScanResult(mLastBssid); |
| if (scanResult != null) { |
| mWifiInfo.setFrequency(scanResult.frequency); |
| } |
| } |
| } |
| sendNetworkStateChangeBroadcast(mLastBssid); |
| } |
| break; |
| case CMD_START_RSSI_MONITORING_OFFLOAD: |
| case CMD_RSSI_THRESHOLD_BREACHED: |
| byte currRssi = (byte) message.arg1; |
| processRssiThreshold(currRssi, message.what, mRssiEventHandler); |
| break; |
| case CMD_STOP_RSSI_MONITORING_OFFLOAD: |
| stopRssiMonitoringOffload(); |
| break; |
| case CMD_RECONNECT: |
| log(" Ignore CMD_RECONNECT request because wifi is already connected"); |
| break; |
| case CMD_RESET_SIM_NETWORKS: |
| if (message.arg1 == 0 // sim was removed |
| && mLastNetworkId != WifiConfiguration.INVALID_NETWORK_ID) { |
| WifiConfiguration config = |
| mWifiConfigManager.getConfiguredNetwork(mLastNetworkId); |
| if (TelephonyUtil.isSimConfig(config)) { |
| mWifiMetrics.logStaEvent(StaEvent.TYPE_FRAMEWORK_DISCONNECT, |
| StaEvent.DISCONNECT_RESET_SIM_NETWORKS); |
| // TODO(b/132385576): STA may immediately connect back to the network |
| // that we just disconnected from |
| mWifiNative.disconnect(mInterfaceName); |
| transitionTo(mDisconnectingState); |
| } |
| } |
| /* allow parent state to reset data for other networks */ |
| handleStatus = NOT_HANDLED; |
| break; |
| case CMD_START_IP_PACKET_OFFLOAD: { |
| int slot = message.arg1; |
| int intervalSeconds = message.arg2; |
| KeepalivePacketData pkt = (KeepalivePacketData) message.obj; |
| int result = startWifiIPPacketOffload(slot, pkt, intervalSeconds); |
| if (mNetworkAgent != null) { |
| mNetworkAgent.onSocketKeepaliveEvent(slot, result); |
| } |
| break; |
| } |
| case CMD_ADD_KEEPALIVE_PACKET_FILTER_TO_APF: { |
| if (mIpClient != null) { |
| final int slot = message.arg1; |
| if (message.obj instanceof NattKeepalivePacketData) { |
| final NattKeepalivePacketData pkt = |
| (NattKeepalivePacketData) message.obj; |
| mIpClient.addKeepalivePacketFilter(slot, pkt); |
| } else if (message.obj instanceof TcpKeepalivePacketData) { |
| final TcpKeepalivePacketData pkt = |
| (TcpKeepalivePacketData) message.obj; |
| mIpClient.addKeepalivePacketFilter(slot, pkt); |
| } |
| } |
| break; |
| } |
| case CMD_REMOVE_KEEPALIVE_PACKET_FILTER_FROM_APF: { |
| if (mIpClient != null) { |
| mIpClient.removeKeepalivePacketFilter(message.arg1); |
| } |
| break; |
| } |
| default: |
| handleStatus = NOT_HANDLED; |
| break; |
| } |
| |
| if (handleStatus == HANDLED) { |
| logStateAndMessage(message, this); |
| } |
| |
| return handleStatus; |
| } |
| |
| /** |
| * Fetches link stats and updates Wifi Score Report. |
| */ |
| private WifiLinkLayerStats updateLinkLayerStatsRssiAndScoreReportInternal() { |
| WifiLinkLayerStats stats = getWifiLinkLayerStats(); |
| // Get Info and continue polling |
| fetchRssiLinkSpeedAndFrequencyNative(); |
| // Send the update score to network agent. |
| mWifiScoreReport.calculateAndReportScore(mWifiInfo, mNetworkAgent, mWifiMetrics); |
| return stats; |
| } |
| } |
| |
| /** |
| * Fetches link stats and updates Wifi Score Report. |
| */ |
| public void updateLinkLayerStatsRssiAndScoreReport() { |
| sendMessage(CMD_ONESHOT_RSSI_POLL); |
| } |
| |
| private static int convertToUsabilityStatsTriggerType(int unusableEventTriggerType) { |
| int triggerType; |
| switch (unusableEventTriggerType) { |
| case WifiIsUnusableEvent.TYPE_DATA_STALL_BAD_TX: |
| triggerType = WifiUsabilityStats.TYPE_DATA_STALL_BAD_TX; |
| break; |
| case WifiIsUnusableEvent.TYPE_DATA_STALL_TX_WITHOUT_RX: |
| triggerType = WifiUsabilityStats.TYPE_DATA_STALL_TX_WITHOUT_RX; |
| break; |
| case WifiIsUnusableEvent.TYPE_DATA_STALL_BOTH: |
| triggerType = WifiUsabilityStats.TYPE_DATA_STALL_BOTH; |
| break; |
| case WifiIsUnusableEvent.TYPE_FIRMWARE_ALERT: |
| triggerType = WifiUsabilityStats.TYPE_FIRMWARE_ALERT; |
| break; |
| case WifiIsUnusableEvent.TYPE_IP_REACHABILITY_LOST: |
| triggerType = WifiUsabilityStats.TYPE_IP_REACHABILITY_LOST; |
| break; |
| default: |
| triggerType = WifiUsabilityStats.TYPE_UNKNOWN; |
| Log.e(TAG, "Unknown WifiIsUnusableEvent: " + unusableEventTriggerType); |
| } |
| return triggerType; |
| } |
| |
| class ObtainingIpState extends State { |
| @Override |
| public void enter() { |
| final WifiConfiguration currentConfig = getCurrentWifiConfiguration(); |
| final boolean isUsingStaticIp = |
| (currentConfig.getIpAssignment() == IpConfiguration.IpAssignment.STATIC); |
| if (mVerboseLoggingEnabled) { |
| final String key = currentConfig.configKey(); |
| log("enter ObtainingIpState netId=" + Integer.toString(mLastNetworkId) |
| + " " + key + " " |
| + " roam=" + mIsAutoRoaming |
| + " static=" + isUsingStaticIp); |
| } |
| |
| // Send event to CM & network change broadcast |
| setNetworkDetailedState(DetailedState.OBTAINING_IPADDR); |
| |
| // We must clear the config BSSID, as the wifi chipset may decide to roam |
| // from this point on and having the BSSID specified in the network block would |
| // cause the roam to fail and the device to disconnect. |
| clearTargetBssid("ObtainingIpAddress"); |
| |
| // Stop IpClient in case we're switching from DHCP to static |
| // configuration or vice versa. |
| // |
| // TODO: Only ever enter this state the first time we connect to a |
| // network, never on switching between static configuration and |
| // DHCP. When we transition from static configuration to DHCP in |
| // particular, we must tell ConnectivityService that we're |
| // disconnected, because DHCP might take a long time during which |
| // connectivity APIs such as getActiveNetworkInfo should not return |
| // CONNECTED. |
| stopIpClient(); |
| |
| if (mIpClient != null) { |
| mIpClient.setHttpProxy(currentConfig.getHttpProxy()); |
| if (!TextUtils.isEmpty(mTcpBufferSizes)) { |
| mIpClient.setTcpBufferSizes(mTcpBufferSizes); |
| } |
| } |
| final ProvisioningConfiguration prov; |
| if (!isUsingStaticIp) { |
| prov = new ProvisioningConfiguration.Builder() |
| .withPreDhcpAction() |
| .withApfCapabilities(mWifiNative.getApfCapabilities(mInterfaceName)) |
| .withNetwork(getCurrentNetwork()) |
| .withDisplayName(currentConfig.SSID) |
| .withRandomMacAddress() |
| .build(); |
| } else { |
| StaticIpConfiguration staticIpConfig = currentConfig.getStaticIpConfiguration(); |
| prov = new ProvisioningConfiguration.Builder() |
| .withStaticConfiguration(staticIpConfig) |
| .withApfCapabilities(mWifiNative.getApfCapabilities(mInterfaceName)) |
| .withNetwork(getCurrentNetwork()) |
| .withDisplayName(currentConfig.SSID) |
| .build(); |
| } |
| if (mIpClient != null) { |
| mIpClient.startProvisioning(prov); |
| } |
| // Get Link layer stats so as we get fresh tx packet counters |
| getWifiLinkLayerStats(); |
| } |
| |
| @Override |
| public boolean processMessage(Message message) { |
| boolean handleStatus = HANDLED; |
| |
| switch(message.what) { |
| case CMD_START_CONNECT: |
| case CMD_START_ROAM: |
| mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_DISCARD; |
| break; |
| case WifiManager.SAVE_NETWORK: |
| mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_DEFERRED; |
| deferMessage(message); |
| break; |
| case WifiMonitor.NETWORK_DISCONNECTION_EVENT: |
| reportConnectionAttemptEnd( |
| WifiMetrics.ConnectionEvent.FAILURE_NETWORK_DISCONNECTION, |
| WifiMetricsProto.ConnectionEvent.HLF_NONE, |
| WifiMetricsProto.ConnectionEvent.FAILURE_REASON_UNKNOWN); |
| handleStatus = NOT_HANDLED; |
| break; |
| case CMD_SET_HIGH_PERF_MODE: |
| mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_DEFERRED; |
| deferMessage(message); |
| break; |
| default: |
| handleStatus = NOT_HANDLED; |
| break; |
| } |
| |
| if (handleStatus == HANDLED) { |
| logStateAndMessage(message, this); |
| } |
| return handleStatus; |
| } |
| } |
| |
| /** |
| * Helper function to check if we need to invoke |
| * {@link NetworkAgent#explicitlySelected(boolean, boolean)} to indicate that we connected to a |
| * network which the user just chose |
| * (i.e less than {@link #LAST_SELECTED_NETWORK_EXPIRATION_AGE_MILLIS) before). |
| */ |
| @VisibleForTesting |
| public boolean shouldEvaluateWhetherToSendExplicitlySelected(WifiConfiguration currentConfig) { |
| if (currentConfig == null) { |
| Log.wtf(TAG, "Current WifiConfiguration is null, but IP provisioning just succeeded"); |
| return false; |
| } |
| long currentTimeMillis = mClock.getElapsedSinceBootMillis(); |
| return (mWifiConfigManager.getLastSelectedNetwork() == currentConfig.networkId |
| && currentTimeMillis - mWifiConfigManager.getLastSelectedTimeStamp() |
| < LAST_SELECTED_NETWORK_EXPIRATION_AGE_MILLIS); |
| } |
| |
| private void sendConnectedState() { |
| // If this network was explicitly selected by the user, evaluate whether to inform |
| // ConnectivityService of that fact so the system can treat it appropriately. |
| WifiConfiguration config = getCurrentWifiConfiguration(); |
| |
| boolean explicitlySelected = false; |
| if (shouldEvaluateWhetherToSendExplicitlySelected(config)) { |
| // If explicitlySelected is true, the network was selected by the user via Settings or |
| // QuickSettings. If this network has Internet access, switch to it. Otherwise, switch |
| // to it only if the user confirms that they really want to switch, or has already |
| // confirmed and selected "Don't ask again". |
| explicitlySelected = |
| mWifiPermissionsUtil.checkNetworkSettingsPermission(config.lastConnectUid); |
| if (mVerboseLoggingEnabled) { |
| log("Network selected by UID " + config.lastConnectUid + " explicitlySelected=" |
| + explicitlySelected); |
| } |
| } |
| |
| if (mVerboseLoggingEnabled) { |
| log("explictlySelected=" + explicitlySelected + " acceptUnvalidated=" |
| + config.noInternetAccessExpected); |
| } |
| |
| if (mNetworkAgent != null) { |
| mNetworkAgent.explicitlySelected(explicitlySelected, config.noInternetAccessExpected); |
| } |
| |
| setNetworkDetailedState(DetailedState.CONNECTED); |
| sendNetworkStateChangeBroadcast(mLastBssid); |
| } |
| |
| class RoamingState extends State { |
| boolean mAssociated; |
| @Override |
| public void enter() { |
| if (mVerboseLoggingEnabled) { |
| log("RoamingState Enter mScreenOn=" + mScreenOn); |
| } |
| |
| // Make sure we disconnect if roaming fails |
| mRoamWatchdogCount++; |
| logd("Start Roam Watchdog " + mRoamWatchdogCount); |
| sendMessageDelayed(obtainMessage(CMD_ROAM_WATCHDOG_TIMER, |
| mRoamWatchdogCount, 0), ROAM_GUARD_TIMER_MSEC); |
| mAssociated = false; |
| } |
| @Override |
| public boolean processMessage(Message message) { |
| WifiConfiguration config; |
| boolean handleStatus = HANDLED; |
| |
| switch (message.what) { |
| case CMD_IP_CONFIGURATION_LOST: |
| config = getCurrentWifiConfiguration(); |
| if (config != null) { |
| mWifiDiagnostics.captureBugReportData( |
| WifiDiagnostics.REPORT_REASON_AUTOROAM_FAILURE); |
| } |
| handleStatus = NOT_HANDLED; |
| break; |
| case CMD_UNWANTED_NETWORK: |
| if (mVerboseLoggingEnabled) { |
| log("Roaming and CS doesn't want the network -> ignore"); |
| } |
| break; |
| case WifiMonitor.SUPPLICANT_STATE_CHANGE_EVENT: |
| /** |
| * If we get a SUPPLICANT_STATE_CHANGE_EVENT indicating a DISCONNECT |
| * before NETWORK_DISCONNECTION_EVENT |
| * And there is an associated BSSID corresponding to our target BSSID, then |
| * we have missed the network disconnection, transition to mDisconnectedState |
| * and handle the rest of the events there. |
| */ |
| StateChangeResult stateChangeResult = (StateChangeResult) message.obj; |
| if (stateChangeResult.state == SupplicantState.DISCONNECTED |
| || stateChangeResult.state == SupplicantState.INACTIVE |
| || stateChangeResult.state == SupplicantState.INTERFACE_DISABLED) { |
| if (mVerboseLoggingEnabled) { |
| log("STATE_CHANGE_EVENT in roaming state " |
| + stateChangeResult.toString()); |
| } |
| if (stateChangeResult.BSSID != null |
| && stateChangeResult.BSSID.equals(mTargetRoamBSSID)) { |
| handleNetworkDisconnect(); |
| transitionTo(mDisconnectedState); |
| } |
| } |
| if (stateChangeResult.state == SupplicantState.ASSOCIATED) { |
| // We completed the layer2 roaming part |
| mAssociated = true; |
| if (stateChangeResult.BSSID != null) { |
| mTargetRoamBSSID = stateChangeResult.BSSID; |
| } |
| } |
| break; |
| case CMD_ROAM_WATCHDOG_TIMER: |
| if (mRoamWatchdogCount == message.arg1) { |
| if (mVerboseLoggingEnabled) log("roaming watchdog! -> disconnect"); |
| mWifiMetrics.endConnectionEvent( |
| WifiMetrics.ConnectionEvent.FAILURE_ROAM_TIMEOUT, |
| WifiMetricsProto.ConnectionEvent.HLF_NONE, |
| WifiMetricsProto.ConnectionEvent.FAILURE_REASON_UNKNOWN); |
| mRoamFailCount++; |
| handleNetworkDisconnect(); |
| mWifiMetrics.logStaEvent(StaEvent.TYPE_FRAMEWORK_DISCONNECT, |
| StaEvent.DISCONNECT_ROAM_WATCHDOG_TIMER); |
| mWifiNative.disconnect(mInterfaceName); |
| transitionTo(mDisconnectedState); |
| } |
| break; |
| case WifiMonitor.NETWORK_CONNECTION_EVENT: |
| if (mAssociated) { |
| if (mVerboseLoggingEnabled) { |
| log("roaming and Network connection established"); |
| } |
| mLastNetworkId = message.arg1; |
| mLastBssid = (String) message.obj; |
| mWifiInfo.setBSSID(mLastBssid); |
| mWifiInfo.setNetworkId(mLastNetworkId); |
| int reasonCode = message.arg2; |
| mWifiConnectivityManager.trackBssid(mLastBssid, true, reasonCode); |
| sendNetworkStateChangeBroadcast(mLastBssid); |
| |
| // Successful framework roam! (probably) |
| reportConnectionAttemptEnd( |
| WifiMetrics.ConnectionEvent.FAILURE_NONE, |
| WifiMetricsProto.ConnectionEvent.HLF_NONE, |
| WifiMetricsProto.ConnectionEvent.FAILURE_REASON_UNKNOWN); |
| |
| // We must clear the config BSSID, as the wifi chipset may decide to roam |
| // from this point on and having the BSSID specified by QNS would cause |
| // the roam to fail and the device to disconnect. |
| // When transition from RoamingState to DisconnectingState or |
| // DisconnectedState, the config BSSID is cleared by |
| // handleNetworkDisconnect(). |
| clearTargetBssid("RoamingCompleted"); |
| |
| // We used to transition to ObtainingIpState in an |
| // attempt to do DHCPv4 RENEWs on framework roams. |
| // DHCP can take too long to time out, and we now rely |
| // upon IpClient's use of IpReachabilityMonitor to |
| // confirm our current network configuration. |
| // |
| // mIpClient.confirmConfiguration() is called within |
| // the handling of SupplicantState.COMPLETED. |
| transitionTo(mConnectedState); |
| } else { |
| mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_DISCARD; |
| } |
| break; |
| case WifiMonitor.NETWORK_DISCONNECTION_EVENT: |
| // Throw away but only if it corresponds to the network we're roaming to |
| String bssid = (String) message.obj; |
| if (true) { |
| String target = ""; |
| if (mTargetRoamBSSID != null) target = mTargetRoamBSSID; |
| log("NETWORK_DISCONNECTION_EVENT in roaming state" |
| + " BSSID=" + bssid |
| + " target=" + target); |
| } |
| if (bssid != null && bssid.equals(mTargetRoamBSSID)) { |
| handleNetworkDisconnect(); |
| transitionTo(mDisconnectedState); |
| } |
| break; |
| default: |
| handleStatus = NOT_HANDLED; |
| break; |
| } |
| |
| if (handleStatus == HANDLED) { |
| logStateAndMessage(message, this); |
| } |
| return handleStatus; |
| } |
| |
| @Override |
| public void exit() { |
| logd("ClientModeImpl: Leaving Roaming state"); |
| } |
| } |
| |
| class ConnectedState extends State { |
| @Override |
| public void enter() { |
| if (mVerboseLoggingEnabled) { |
| log("Enter ConnectedState mScreenOn=" + mScreenOn); |
| } |
| |
| reportConnectionAttemptEnd( |
| WifiMetrics.ConnectionEvent.FAILURE_NONE, |
| WifiMetricsProto.ConnectionEvent.HLF_NONE, |
| WifiMetricsProto.ConnectionEvent.FAILURE_REASON_UNKNOWN); |
| mWifiConnectivityManager.handleConnectionStateChanged( |
| WifiConnectivityManager.WIFI_STATE_CONNECTED); |
| registerConnected(); |
| mLastConnectAttemptTimestamp = 0; |
| mTargetWifiConfiguration = null; |
| mWifiScoreReport.reset(); |
| mLastSignalLevel = -1; |
| |
| // Not roaming anymore |
| mIsAutoRoaming = false; |
| |
| mLastDriverRoamAttempt = 0; |
| mTargetNetworkId = WifiConfiguration.INVALID_NETWORK_ID; |
| mWifiInjector.getWifiLastResortWatchdog().connectedStateTransition(true); |
| mWifiStateTracker.updateState(WifiStateTracker.CONNECTED); |
| //Inform WifiLockManager |
| WifiLockManager wifiLockManager = mWifiInjector.getWifiLockManager(); |
| wifiLockManager.updateWifiClientConnected(true); |
| } |
| @Override |
| public boolean processMessage(Message message) { |
| WifiConfiguration config = null; |
| boolean handleStatus = HANDLED; |
| |
| switch (message.what) { |
| case CMD_UNWANTED_NETWORK: |
| if (message.arg1 == NETWORK_STATUS_UNWANTED_DISCONNECT) { |
| mWifiMetrics.logStaEvent(StaEvent.TYPE_FRAMEWORK_DISCONNECT, |
| StaEvent.DISCONNECT_UNWANTED); |
| mWifiNative.disconnect(mInterfaceName); |
| transitionTo(mDisconnectingState); |
| } else if (message.arg1 == NETWORK_STATUS_UNWANTED_DISABLE_AUTOJOIN |
| || message.arg1 == NETWORK_STATUS_UNWANTED_VALIDATION_FAILED) { |
| Log.d(TAG, (message.arg1 == NETWORK_STATUS_UNWANTED_DISABLE_AUTOJOIN |
| ? "NETWORK_STATUS_UNWANTED_DISABLE_AUTOJOIN" |
| : "NETWORK_STATUS_UNWANTED_VALIDATION_FAILED")); |
| config = getCurrentWifiConfiguration(); |
| if (config != null) { |
| // Disable autojoin |
| if (message.arg1 == NETWORK_STATUS_UNWANTED_DISABLE_AUTOJOIN) { |
| mWifiConfigManager.setNetworkValidatedInternetAccess( |
| config.networkId, false); |
| mWifiConfigManager.updateNetworkSelectionStatus(config.networkId, |
| WifiConfiguration.NetworkSelectionStatus |
| .DISABLED_NO_INTERNET_PERMANENT); |
| } else { |
| // stop collect last-mile stats since validation fail |
| removeMessages(CMD_DIAGS_CONNECT_TIMEOUT); |
| mWifiDiagnostics.reportConnectionEvent( |
| WifiDiagnostics.CONNECTION_EVENT_FAILED); |
| mWifiConfigManager.incrementNetworkNoInternetAccessReports( |
| config.networkId); |
| // If this was not the last selected network, update network |
| // selection status to temporarily disable the network. |
| if (mWifiConfigManager.getLastSelectedNetwork() != config.networkId |
| && !config.noInternetAccessExpected) { |
| Log.i(TAG, "Temporarily disabling network because of" |
| + "no-internet access"); |
| mWifiConfigManager.updateNetworkSelectionStatus( |
| config.networkId, |
| WifiConfiguration.NetworkSelectionStatus |
| .DISABLED_NO_INTERNET_TEMPORARY); |
| } |
| } |
| } |
| } |
| break; |
| case CMD_NETWORK_STATUS: |
| if (message.arg1 == NetworkAgent.VALID_NETWORK) { |
| // stop collect last-mile stats since validation pass |
| removeMessages(CMD_DIAGS_CONNECT_TIMEOUT); |
| mWifiDiagnostics.reportConnectionEvent( |
| WifiDiagnostics.CONNECTION_EVENT_SUCCEEDED); |
| mWifiScoreCard.noteValidationSuccess(mWifiInfo); |
| config = getCurrentWifiConfiguration(); |
| if (config != null) { |
| // re-enable autojoin |
| mWifiConfigManager.updateNetworkSelectionStatus( |
| config.networkId, |
| WifiConfiguration.NetworkSelectionStatus |
| .NETWORK_SELECTION_ENABLE); |
| mWifiConfigManager.setNetworkValidatedInternetAccess( |
| config.networkId, true); |
| } |
| } |
| break; |
| case CMD_ACCEPT_UNVALIDATED: |
| boolean accept = (message.arg1 != 0); |
| mWifiConfigManager.setNetworkNoInternetAccessExpected(mLastNetworkId, accept); |
| break; |
| case CMD_ASSOCIATED_BSSID: |
| // ASSOCIATING to a new BSSID while already connected, indicates |
| // that driver is roaming |
| mLastDriverRoamAttempt = mClock.getWallClockMillis(); |
| handleStatus = NOT_HANDLED; |
| break; |
| case WifiMonitor.NETWORK_DISCONNECTION_EVENT: |
| long lastRoam = 0; |
| reportConnectionAttemptEnd( |
| WifiMetrics.ConnectionEvent.FAILURE_NETWORK_DISCONNECTION, |
| WifiMetricsProto.ConnectionEvent.HLF_NONE, |
| WifiMetricsProto.ConnectionEvent.FAILURE_REASON_UNKNOWN); |
| if (mLastDriverRoamAttempt != 0) { |
| // Calculate time since last driver roam attempt |
| lastRoam = mClock.getWallClockMillis() - mLastDriverRoamAttempt; |
| mLastDriverRoamAttempt = 0; |
| } |
| if (unexpectedDisconnectedReason(message.arg2)) { |
| mWifiDiagnostics.captureBugReportData( |
| WifiDiagnostics.REPORT_REASON_UNEXPECTED_DISCONNECT); |
| } |
| config = getCurrentWifiConfiguration(); |
| |
| if (mVerboseLoggingEnabled) { |
| log("NETWORK_DISCONNECTION_EVENT in connected state" |
| + " BSSID=" + mWifiInfo.getBSSID() |
| + " RSSI=" + mWifiInfo.getRssi() |
| + " freq=" + mWifiInfo.getFrequency() |
| + " reason=" + message.arg2 |
| + " Network Selection Status=" + (config == null ? "Unavailable" |
| : config.getNetworkSelectionStatus().getNetworkStatusString())); |
| } |
| break; |
| case CMD_START_ROAM: |
| // Clear the driver roam indication since we are attempting a framework roam |
| mLastDriverRoamAttempt = 0; |
| |
| /* Connect command coming from auto-join */ |
| int netId = message.arg1; |
| ScanResult candidate = (ScanResult) message.obj; |
| String bssid = SUPPLICANT_BSSID_ANY; |
| if (candidate != null) { |
| bssid = candidate.BSSID; |
| } |
| config = mWifiConfigManager.getConfiguredNetworkWithoutMasking(netId); |
| if (config == null) { |
| loge("CMD_START_ROAM and no config, bail out..."); |
| break; |
| } |
| mWifiScoreCard.noteConnectionAttempt(mWifiInfo); |
| setTargetBssid(config, bssid); |
| mTargetNetworkId = netId; |
| |
| logd("CMD_START_ROAM sup state " |
| + mSupplicantStateTracker.getSupplicantStateName() |
| + " my state " + getCurrentState().getName() |
| + " nid=" + Integer.toString(netId) |
| + " config " + config.configKey() |
| + " targetRoamBSSID " + mTargetRoamBSSID); |
| |
| reportConnectionAttemptStart(config, mTargetRoamBSSID, |
| WifiMetricsProto.ConnectionEvent.ROAM_ENTERPRISE); |
| if (mWifiNative.roamToNetwork(mInterfaceName, config)) { |
| mLastConnectAttemptTimestamp = mClock.getWallClockMillis(); |
| mTargetWifiConfiguration = config; |
| mIsAutoRoaming = true; |
| mWifiMetrics.logStaEvent(StaEvent.TYPE_CMD_START_ROAM, config); |
| transitionTo(mRoamingState); |
| } else { |
| loge("CMD_START_ROAM Failed to start roaming to network " + config); |
| reportConnectionAttemptEnd( |
| WifiMetrics.ConnectionEvent.FAILURE_CONNECT_NETWORK_FAILED, |
| WifiMetricsProto.ConnectionEvent.HLF_NONE, |
| WifiMetricsProto.ConnectionEvent.FAILURE_REASON_UNKNOWN); |
| replyToMessage(message, WifiManager.CONNECT_NETWORK_FAILED, |
| WifiManager.ERROR); |
| mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL; |
| break; |
| } |
| break; |
| default: |
| handleStatus = NOT_HANDLED; |
| break; |
| } |
| |
| if (handleStatus == HANDLED) { |
| logStateAndMessage(message, this); |
| } |
| |
| return handleStatus; |
| } |
| |
| @Override |
| public void exit() { |
| logd("ClientModeImpl: Leaving Connected state"); |
| mWifiConnectivityManager.handleConnectionStateChanged( |
| WifiConnectivityManager.WIFI_STATE_TRANSITIONING); |
| |
| mLastDriverRoamAttempt = 0; |
| mWifiInjector.getWifiLastResortWatchdog().connectedStateTransition(false); |
| } |
| } |
| |
| class DisconnectingState extends State { |
| |
| @Override |
| public void enter() { |
| |
| if (mVerboseLoggingEnabled) { |
| logd(" Enter DisconnectingState State screenOn=" + mScreenOn); |
| } |
| |
| // Make sure we disconnect: we enter this state prior to connecting to a new |
| // network, waiting for either a DISCONNECT event or a SUPPLICANT_STATE_CHANGE |
| // event which in this case will be indicating that supplicant started to associate. |
| // In some cases supplicant doesn't ignore the connect requests (it might not |
| // find the target SSID in its cache), |
| // Therefore we end up stuck that state, hence the need for the watchdog. |
| mDisconnectingWatchdogCount++; |
| logd("Start Disconnecting Watchdog " + mDisconnectingWatchdogCount); |
| sendMessageDelayed(obtainMessage(CMD_DISCONNECTING_WATCHDOG_TIMER, |
| mDisconnectingWatchdogCount, 0), DISCONNECTING_GUARD_TIMER_MSEC); |
| } |
| |
| @Override |
| public boolean processMessage(Message message) { |
| boolean handleStatus = HANDLED; |
| |
| switch (message.what) { |
| case CMD_DISCONNECT: |
| if (mVerboseLoggingEnabled) { |
| log("Ignore CMD_DISCONNECT when already disconnecting."); |
| } |
| break; |
| case CMD_DISCONNECTING_WATCHDOG_TIMER: |
| if (mDisconnectingWatchdogCount == message.arg1) { |
| if (mVerboseLoggingEnabled) log("disconnecting watchdog! -> disconnect"); |
| handleNetworkDisconnect(); |
| transitionTo(mDisconnectedState); |
| } |
| break; |
| case WifiMonitor.SUPPLICANT_STATE_CHANGE_EVENT: |
| /** |
| * If we get a SUPPLICANT_STATE_CHANGE_EVENT before NETWORK_DISCONNECTION_EVENT |
| * we have missed the network disconnection, transition to mDisconnectedState |
| * and handle the rest of the events there |
| */ |
| deferMessage(message); |
| handleNetworkDisconnect(); |
| transitionTo(mDisconnectedState); |
| break; |
| default: |
| handleStatus = NOT_HANDLED; |
| break; |
| } |
| |
| if (handleStatus == HANDLED) { |
| logStateAndMessage(message, this); |
| } |
| return handleStatus; |
| } |
| } |
| |
| class DisconnectedState extends State { |
| @Override |
| public void enter() { |
| Log.i(TAG, "disconnectedstate enter"); |
| // We don't scan frequently if this is a temporary disconnect |
| // due to p2p |
| if (mTemporarilyDisconnectWifi) { |
| p2pSendMessage(WifiP2pServiceImpl.DISCONNECT_WIFI_RESPONSE); |
| return; |
| } |
| |
| if (mVerboseLoggingEnabled) { |
| logd(" Enter DisconnectedState screenOn=" + mScreenOn); |
| } |
| |
| /** clear the roaming state, if we were roaming, we failed */ |
| mIsAutoRoaming = false; |
| |
| mWifiConnectivityManager.handleConnectionStateChanged( |
| WifiConnectivityManager.WIFI_STATE_DISCONNECTED); |
| } |
| |
| @Override |
| public boolean processMessage(Message message) { |
| boolean handleStatus = HANDLED; |
| |
| switch (message.what) { |
| case CMD_DISCONNECT: |
| mWifiMetrics.logStaEvent(StaEvent.TYPE_FRAMEWORK_DISCONNECT, |
| StaEvent.DISCONNECT_GENERIC); |
| mWifiNative.disconnect(mInterfaceName); |
| break; |
| case WifiMonitor.NETWORK_DISCONNECTION_EVENT: |
| if (message.arg2 == 15 /* FOURWAY_HANDSHAKE_TIMEOUT */) { |
| String bssid = (message.obj == null) |
| ? mTargetRoamBSSID : (String) message.obj; |
| mWifiInjector.getWifiLastResortWatchdog() |
| .noteConnectionFailureAndTriggerIfNeeded( |
| getTargetSsid(), bssid, |
| WifiLastResortWatchdog.FAILURE_CODE_AUTHENTICATION); |
| } |
| break; |
| case WifiMonitor.SUPPLICANT_STATE_CHANGE_EVENT: |
| StateChangeResult stateChangeResult = (StateChangeResult) message.obj; |
| if (mVerboseLoggingEnabled) { |
| logd("SUPPLICANT_STATE_CHANGE_EVENT state=" + stateChangeResult.state |
| + " -> state= " |
| + WifiInfo.getDetailedStateOf(stateChangeResult.state)); |
| } |
| if (SupplicantState.isConnecting(stateChangeResult.state)) { |
| WifiConfiguration config = mWifiConfigManager.getConfiguredNetwork( |
| stateChangeResult.networkId); |
| |
| // Update Passpoint information before setNetworkDetailedState as |
| // WifiTracker monitors NETWORK_STATE_CHANGED_ACTION to update UI. |
| mWifiInfo.setFQDN(null); |
| mWifiInfo.setOsuAp(false); |
| mWifiInfo.setProviderFriendlyName(null); |
| if (config != null && (config.isPasspoint() || config.osu)) { |
| if (config.isPasspoint()) { |
| mWifiInfo.setFQDN(config.FQDN); |
| } else { |
| mWifiInfo.setOsuAp(true); |
| } |
| mWifiInfo.setProviderFriendlyName(config.providerFriendlyName); |
| } |
| } |
| setNetworkDetailedState(WifiInfo.getDetailedStateOf(stateChangeResult.state)); |
| /* ConnectModeState does the rest of the handling */ |
| handleStatus = NOT_HANDLED; |
| break; |
| case WifiP2pServiceImpl.P2P_CONNECTION_CHANGED: |
| NetworkInfo info = (NetworkInfo) message.obj; |
| mP2pConnected.set(info.isConnected()); |
| break; |
| case CMD_RECONNECT: |
| case CMD_REASSOCIATE: |
| if (mTemporarilyDisconnectWifi) { |
| // Drop a third party reconnect/reassociate if STA is |
| // temporarily disconnected for p2p |
| break; |
| } else { |
| // ConnectModeState handles it |
| handleStatus = NOT_HANDLED; |
| } |
| break; |
| case CMD_SCREEN_STATE_CHANGED: |
| handleScreenStateChanged(message.arg1 != 0); |
| break; |
| default: |
| handleStatus = NOT_HANDLED; |
| break; |
| } |
| |
| if (handleStatus == HANDLED) { |
| logStateAndMessage(message, this); |
| } |
| return handleStatus; |
| } |
| |
| @Override |
| public void exit() { |
| mWifiConnectivityManager.handleConnectionStateChanged( |
| WifiConnectivityManager.WIFI_STATE_TRANSITIONING); |
| } |
| } |
| |
| /** |
| * State machine initiated requests can have replyTo set to null, indicating |
| * there are no recipients, we ignore those reply actions. |
| */ |
| private void replyToMessage(Message msg, int what) { |
| if (msg.replyTo == null) return; |
| Message dstMsg = obtainMessageWithWhatAndArg2(msg, what); |
| mReplyChannel.replyToMessage(msg, dstMsg); |
| } |
| |
| private void replyToMessage(Message msg, int what, int arg1) { |
| if (msg.replyTo == null) return; |
| Message dstMsg = obtainMessageWithWhatAndArg2(msg, what); |
| dstMsg.arg1 = arg1; |
| mReplyChannel.replyToMessage(msg, dstMsg); |
| } |
| |
| private void replyToMessage(Message msg, int what, Object obj) { |
| if (msg.replyTo == null) return; |
| Message dstMsg = obtainMessageWithWhatAndArg2(msg, what); |
| dstMsg.obj = obj; |
| mReplyChannel.replyToMessage(msg, dstMsg); |
| } |
| |
| /** |
| * arg2 on the source message has a unique id that needs to be retained in replies |
| * to match the request |
| * <p>see WifiManager for details |
| */ |
| private Message obtainMessageWithWhatAndArg2(Message srcMsg, int what) { |
| Message msg = Message.obtain(); |
| msg.what = what; |
| msg.arg2 = srcMsg.arg2; |
| return msg; |
| } |
| |
| /** |
| * 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 |
| * TODO: b/35258354 investigate if this can be removed. Is the broadcast sent by |
| * WifiConfigManager sufficient? |
| */ |
| private void broadcastWifiCredentialChanged(int wifiCredentialEventType, |
| WifiConfiguration config) { |
| if (config != null && config.preSharedKey != null) { |
| Intent intent = new Intent(WifiManager.WIFI_CREDENTIAL_CHANGED_ACTION); |
| intent.putExtra(WifiManager.EXTRA_WIFI_CREDENTIAL_SSID, config.SSID); |
| intent.putExtra(WifiManager.EXTRA_WIFI_CREDENTIAL_EVENT_TYPE, |
| wifiCredentialEventType); |
| mContext.sendBroadcastAsUser(intent, UserHandle.CURRENT, |
| android.Manifest.permission.RECEIVE_WIFI_CREDENTIAL_CHANGE); |
| } |
| } |
| |
| void handleGsmAuthRequest(SimAuthRequestData requestData) { |
| if (mTargetWifiConfiguration == null |
| || mTargetWifiConfiguration.networkId |
| == requestData.networkId) { |
| logd("id matches targetWifiConfiguration"); |
| } else { |
| logd("id does not match targetWifiConfiguration"); |
| return; |
| } |
| |
| /* |
| * Try authentication in the following order. |
| * |
| * Standard Cellular_auth Type Command |
| * |
| * 1. 3GPP TS 31.102 3G_authentication [Length][RAND][Length][AUTN] |
| * [Length][RES][Length][CK][Length][IK] and more |
| * 2. 3GPP TS 31.102 2G_authentication [Length][RAND] |
| * [Length][SRES][Length][Cipher Key Kc] |
| * 3. 3GPP TS 11.11 2G_authentication [RAND] |
| * [SRES][Cipher Key Kc] |
| */ |
| String response = |
| TelephonyUtil.getGsmSimAuthResponse(requestData.data, getTelephonyManager()); |
| if (response == null) { |
| // In case of failure, issue may be due to sim type, retry as No.2 case |
| response = TelephonyUtil.getGsmSimpleSimAuthResponse(requestData.data, |
| getTelephonyManager()); |
| if (response == null) { |
| // In case of failure, issue may be due to sim type, retry as No.3 case |
| response = TelephonyUtil.getGsmSimpleSimNoLengthAuthResponse(requestData.data, |
| getTelephonyManager()); |
| } |
| } |
| if (response == null || response.length() == 0) { |
| mWifiNative.simAuthFailedResponse(mInterfaceName, requestData.networkId); |
| } else { |
| logv("Supplicant Response -" + response); |
| mWifiNative.simAuthResponse( |
| mInterfaceName, requestData.networkId, |
| WifiNative.SIM_AUTH_RESP_TYPE_GSM_AUTH, response); |
| } |
| } |
| |
| void handle3GAuthRequest(SimAuthRequestData requestData) { |
| if (mTargetWifiConfiguration == null |
| || mTargetWifiConfiguration.networkId |
| == requestData.networkId) { |
| logd("id matches targetWifiConfiguration"); |
| } else { |
| logd("id does not match targetWifiConfiguration"); |
| return; |
| } |
| |
| SimAuthResponseData response = |
| TelephonyUtil.get3GAuthResponse(requestData, getTelephonyManager()); |
| if (response != null) { |
| mWifiNative.simAuthResponse( |
| mInterfaceName, requestData.networkId, response.type, response.response); |
| } else { |
| mWifiNative.umtsAuthFailedResponse(mInterfaceName, requestData.networkId); |
| } |
| } |
| |
| /** |
| * Automatically connect to the network specified |
| * |
| * @param networkId ID of the network to connect to |
| * @param uid UID of the app triggering the connection. |
| * @param bssid BSSID of the network |
| */ |
| public void startConnectToNetwork(int networkId, int uid, String bssid) { |
| sendMessage(CMD_START_CONNECT, networkId, uid, bssid); |
| } |
| |
| /** |
| * Automatically roam to the network specified |
| * |
| * @param networkId ID of the network to roam to |
| * @param scanResult scan result which identifies the network to roam to |
| */ |
| public void startRoamToNetwork(int networkId, ScanResult scanResult) { |
| sendMessage(CMD_START_ROAM, networkId, 0, scanResult); |
| } |
| |
| /** |
| * Dynamically turn on/off WifiConnectivityManager |
| * |
| * @param enabled true-enable; false-disable |
| */ |
| public void enableWifiConnectivityManager(boolean enabled) { |
| sendMessage(CMD_ENABLE_WIFI_CONNECTIVITY_MANAGER, enabled ? 1 : 0); |
| } |
| |
| /** |
| * @param reason reason code from supplicant on network disconnected event |
| * @return true if this is a suspicious disconnect |
| */ |
| static boolean unexpectedDisconnectedReason(int reason) { |
| return reason == 2 // PREV_AUTH_NOT_VALID |
| || reason == 6 // CLASS2_FRAME_FROM_NONAUTH_STA |
| || reason == 7 // FRAME_FROM_NONASSOC_STA |
| || reason == 8 // STA_HAS_LEFT |
| || reason == 9 // STA_REQ_ASSOC_WITHOUT_AUTH |
| || reason == 14 // MICHAEL_MIC_FAILURE |
| || reason == 15 // 4WAY_HANDSHAKE_TIMEOUT |
| || reason == 16 // GROUP_KEY_UPDATE_TIMEOUT |
| || reason == 18 // GROUP_CIPHER_NOT_VALID |
| || reason == 19 // PAIRWISE_CIPHER_NOT_VALID |
| || reason == 23 // IEEE_802_1X_AUTH_FAILED |
| || reason == 34; // DISASSOC_LOW_ACK |
| } |
| |
| /** |
| * Update WifiMetrics before dumping |
| */ |
| public void updateWifiMetrics() { |
| mWifiMetrics.updateSavedNetworks(mWifiConfigManager.getSavedNetworks(Process.WIFI_UID)); |
| mPasspointManager.updateMetrics(); |
| } |
| |
| /** |
| * Private method to handle calling WifiConfigManager to forget/remove network configs and reply |
| * to the message from the sender of the outcome. |
| * |
| * The current implementation requires that forget and remove be handled in different ways |
| * (responses are handled differently). In the interests of organization, the handling is all |
| * now in this helper method. TODO: b/35257965 is filed to track the possibility of merging |
| * the two call paths. |
| */ |
| private boolean deleteNetworkConfigAndSendReply(Message message, boolean calledFromForget) { |
| boolean success = mWifiConfigManager.removeNetwork(message.arg1, message.sendingUid); |
| if (!success) { |
| loge("Failed to remove network"); |
| } |
| |
| if (calledFromForget) { |
| if (success) { |
| replyToMessage(message, WifiManager.FORGET_NETWORK_SUCCEEDED); |
| broadcastWifiCredentialChanged(WifiManager.WIFI_CREDENTIAL_FORGOT, |
| (WifiConfiguration) message.obj); |
| return true; |
| } |
| replyToMessage(message, WifiManager.FORGET_NETWORK_FAILED, WifiManager.ERROR); |
| return false; |
| } else { |
| // Remaining calls are from the removeNetwork path |
| if (success) { |
| replyToMessage(message, message.what, SUCCESS); |
| return true; |
| } |
| mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL; |
| replyToMessage(message, message.what, FAILURE); |
| return false; |
| } |
| } |
| |
| /** |
| * Private method to handle calling WifiConfigManager to add & enable network configs and reply |
| * to the message from the sender of the outcome. |
| * |
| * @return NetworkUpdateResult with networkId of the added/updated configuration. Will return |
| * {@link WifiConfiguration#INVALID_NETWORK_ID} in case of error. |
| */ |
| private NetworkUpdateResult saveNetworkConfigAndSendReply(Message message) { |
| WifiConfiguration config = (WifiConfiguration) message.obj; |
| if (config == null) { |
| loge("SAVE_NETWORK with null configuration " |
| + mSupplicantStateTracker.getSupplicantStateName() |
| + " my state " + getCurrentState().getName()); |
| mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL; |
| replyToMessage(message, WifiManager.SAVE_NETWORK_FAILED, WifiManager.ERROR); |
| return new NetworkUpdateResult(WifiConfiguration.INVALID_NETWORK_ID); |
| } |
| NetworkUpdateResult result = |
| mWifiConfigManager.addOrUpdateNetwork(config, message.sendingUid); |
| if (!result.isSuccess()) { |
| loge("SAVE_NETWORK adding/updating config=" + config + " failed"); |
| mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL; |
| replyToMessage(message, WifiManager.SAVE_NETWORK_FAILED, WifiManager.ERROR); |
| return result; |
| } |
| if (!mWifiConfigManager.enableNetwork( |
| result.getNetworkId(), false, message.sendingUid)) { |
| loge("SAVE_NETWORK enabling config=" + config + " failed"); |
| mMessageHandlingStatus = MESSAGE_HANDLING_STATUS_FAIL; |
| replyToMessage(message, WifiManager.SAVE_NETWORK_FAILED, WifiManager.ERROR); |
| return new NetworkUpdateResult(WifiConfiguration.INVALID_NETWORK_ID); |
| } |
| broadcastWifiCredentialChanged(WifiManager.WIFI_CREDENTIAL_SAVED, config); |
| replyToMessage(message, WifiManager.SAVE_NETWORK_SUCCEEDED); |
| return result; |
| } |
| |
| private static String getLinkPropertiesSummary(LinkProperties lp) { |
| List<String> attributes = new ArrayList<>(6); |
| if (lp.hasIPv4Address()) { |
| attributes.add("v4"); |
| } |
| if (lp.hasIPv4DefaultRoute()) { |
| attributes.add("v4r"); |
| } |
| if (lp.hasIPv4DnsServer()) { |
| attributes.add("v4dns"); |
| } |
| if (lp.hasGlobalIPv6Address()) { |
| attributes.add("v6"); |
| } |
| if (lp.hasIPv6DefaultRoute()) { |
| attributes.add("v6r"); |
| } |
| if (lp.hasIPv6DnsServer()) { |
| attributes.add("v6dns"); |
| } |
| |
| return TextUtils.join(" ", attributes); |
| } |
| |
| /** |
| * Gets the SSID from the WifiConfiguration pointed at by 'mTargetNetworkId' |
| * This should match the network config framework is attempting to connect to. |
| */ |
| private String getTargetSsid() { |
| WifiConfiguration currentConfig = mWifiConfigManager.getConfiguredNetwork(mTargetNetworkId); |
| if (currentConfig != null) { |
| return currentConfig.SSID; |
| } |
| return null; |
| } |
| |
| /** |
| * Send message to WifiP2pServiceImpl. |
| * @return true if message is sent. |
| * false if there is no channel configured for WifiP2pServiceImpl. |
| */ |
| private boolean p2pSendMessage(int what) { |
| if (mWifiP2pChannel != null) { |
| mWifiP2pChannel.sendMessage(what); |
| return true; |
| } |
| return false; |
| } |
| |
| /** |
| * Send message to WifiP2pServiceImpl with an additional param |arg1|. |
| * @return true if message is sent. |
| * false if there is no channel configured for WifiP2pServiceImpl. |
| */ |
| private boolean p2pSendMessage(int what, int arg1) { |
| if (mWifiP2pChannel != null) { |
| mWifiP2pChannel.sendMessage(what, arg1); |
| return true; |
| } |
| return false; |
| } |
| |
| /** |
| * Check if there is any connection request for WiFi network. |
| */ |
| private boolean hasConnectionRequests() { |
| return mNetworkFactory.hasConnectionRequests() |
| || mUntrustedNetworkFactory.hasConnectionRequests(); |
| } |
| |
| /** |
| * Returns whether CMD_IP_REACHABILITY_LOST events should trigger disconnects. |
| */ |
| public boolean getIpReachabilityDisconnectEnabled() { |
| return mIpReachabilityDisconnectEnabled; |
| } |
| |
| /** |
| * Sets whether CMD_IP_REACHABILITY_LOST events should trigger disconnects. |
| */ |
| public void setIpReachabilityDisconnectEnabled(boolean enabled) { |
| mIpReachabilityDisconnectEnabled = enabled; |
| } |
| |
| /** |
| * Sends a message to initialize the ClientModeImpl. |
| * |
| * @return true if succeeded, false otherwise. |
| */ |
| public boolean syncInitialize(AsyncChannel channel) { |
| Message resultMsg = channel.sendMessageSynchronously(CMD_INITIALIZE); |
| boolean result = (resultMsg.arg1 != FAILURE); |
| resultMsg.recycle(); |
| return result; |
| } |
| |
| /** |
| * Add a network request match callback to {@link WifiNetworkFactory}. |
| */ |
| public void addNetworkRequestMatchCallback(IBinder binder, |
| INetworkRequestMatchCallback callback, |
| int callbackIdentifier) { |
| mNetworkFactory.addCallback(binder, callback, callbackIdentifier); |
| } |
| |
| /** |
| * Remove a network request match callback from {@link WifiNetworkFactory}. |
| */ |
| public void removeNetworkRequestMatchCallback(int callbackIdentifier) { |
| mNetworkFactory.removeCallback(callbackIdentifier); |
| } |
| |
| /** |
| * Remove all approved access points from {@link WifiNetworkFactory} for the provided package. |
| */ |
| public void removeNetworkRequestUserApprovedAccessPointsForApp(@NonNull String packageName) { |
| mNetworkFactory.removeUserApprovedAccessPointsForApp(packageName); |
| } |
| |
| /** |
| * Clear all approved access points from {@link WifiNetworkFactory}. |
| */ |
| public void clearNetworkRequestUserApprovedAccessPoints() { |
| mNetworkFactory.clear(); |
| } |
| |
| /** |
| * Gets the factory MAC address of wlan0 (station interface). |
| * @return String representation of the factory MAC address. |
| */ |
| public String getFactoryMacAddress() { |
| MacAddress macAddress = mWifiNative.getFactoryMacAddress(mInterfaceName); |
| if (macAddress != null) { |
| return macAddress.toString(); |
| } |
| if (!mConnectedMacRandomzationSupported) { |
| return mWifiNative.getMacAddress(mInterfaceName); |
| } |
| return null; |
| } |
| |
| /** |
| * Sets the current device mobility state. |
| * @param state the new device mobility state |
| */ |
| public void setDeviceMobilityState(@DeviceMobilityState int state) { |
| mWifiConnectivityManager.setDeviceMobilityState(state); |
| } |
| |
| /** |
| * 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. |
| */ |
| public void updateWifiUsabilityScore(int seqNum, int score, int predictionHorizonSec) { |
| mWifiMetrics.incrementWifiUsabilityScoreCount(seqNum, score, predictionHorizonSec); |
| } |
| |
| /** |
| * Sends a link probe. |
| */ |
| @VisibleForTesting |
| public void probeLink(WifiNative.SendMgmtFrameCallback callback, int mcs) { |
| mWifiNative.probeLink(mInterfaceName, MacAddress.fromString(mWifiInfo.getBSSID()), |
| callback, mcs); |
| } |
| } |