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Diffstat (limited to 'services/java/com/android/server/ConnectivityService.java')
| -rw-r--r-- | services/java/com/android/server/ConnectivityService.java | 5029 |
1 files changed, 0 insertions, 5029 deletions
diff --git a/services/java/com/android/server/ConnectivityService.java b/services/java/com/android/server/ConnectivityService.java deleted file mode 100644 index 41a0e6b..0000000 --- a/services/java/com/android/server/ConnectivityService.java +++ /dev/null @@ -1,5029 +0,0 @@ -/* - * Copyright (C) 2008 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; - -import static android.Manifest.permission.MANAGE_NETWORK_POLICY; -import static android.Manifest.permission.RECEIVE_DATA_ACTIVITY_CHANGE; -import static android.net.ConnectivityManager.CONNECTIVITY_ACTION; -import static android.net.ConnectivityManager.CONNECTIVITY_ACTION_IMMEDIATE; -import static android.net.ConnectivityManager.TYPE_BLUETOOTH; -import static android.net.ConnectivityManager.TYPE_DUMMY; -import static android.net.ConnectivityManager.TYPE_ETHERNET; -import static android.net.ConnectivityManager.TYPE_MOBILE; -import static android.net.ConnectivityManager.TYPE_WIFI; -import static android.net.ConnectivityManager.TYPE_WIMAX; -import static android.net.ConnectivityManager.getNetworkTypeName; -import static android.net.ConnectivityManager.isNetworkTypeValid; -import static android.net.NetworkPolicyManager.RULE_ALLOW_ALL; -import static android.net.NetworkPolicyManager.RULE_REJECT_METERED; - -import android.app.AlarmManager; -import android.app.AppOpsManager; -import android.app.Notification; -import android.app.NotificationManager; -import android.app.PendingIntent; -import android.bluetooth.BluetoothTetheringDataTracker; -import android.content.ActivityNotFoundException; -import android.content.BroadcastReceiver; -import android.content.ContentResolver; -import android.content.Context; -import android.content.ContextWrapper; -import android.content.Intent; -import android.content.IntentFilter; -import android.content.pm.ApplicationInfo; -import android.content.pm.PackageManager; -import android.content.pm.PackageManager.NameNotFoundException; -import android.content.res.Configuration; -import android.content.res.Resources; -import android.database.ContentObserver; -import android.net.CaptivePortalTracker; -import android.net.ConnectivityManager; -import android.net.DummyDataStateTracker; -import android.net.EthernetDataTracker; -import android.net.IConnectivityManager; -import android.net.INetworkManagementEventObserver; -import android.net.INetworkPolicyListener; -import android.net.INetworkPolicyManager; -import android.net.INetworkStatsService; -import android.net.LinkAddress; -import android.net.LinkProperties; -import android.net.LinkProperties.CompareResult; -import android.net.LinkQualityInfo; -import android.net.MobileDataStateTracker; -import android.net.NetworkConfig; -import android.net.NetworkInfo; -import android.net.NetworkInfo.DetailedState; -import android.net.NetworkQuotaInfo; -import android.net.NetworkState; -import android.net.NetworkStateTracker; -import android.net.NetworkUtils; -import android.net.Proxy; -import android.net.ProxyProperties; -import android.net.RouteInfo; -import android.net.SamplingDataTracker; -import android.net.Uri; -import android.net.wifi.WifiStateTracker; -import android.net.wimax.WimaxManagerConstants; -import android.os.AsyncTask; -import android.os.Binder; -import android.os.Build; -import android.os.FileUtils; -import android.os.Handler; -import android.os.HandlerThread; -import android.os.IBinder; -import android.os.INetworkManagementService; -import android.os.Looper; -import android.os.Message; -import android.os.Messenger; -import android.os.ParcelFileDescriptor; -import android.os.PowerManager; -import android.os.Process; -import android.os.RemoteException; -import android.os.ServiceManager; -import android.os.SystemClock; -import android.os.SystemProperties; -import android.os.UserHandle; -import android.provider.Settings; -import android.security.Credentials; -import android.security.KeyStore; -import android.telephony.TelephonyManager; -import android.text.TextUtils; -import android.util.Slog; -import android.util.SparseArray; -import android.util.SparseIntArray; -import android.util.Xml; - -import com.android.internal.R; -import com.android.internal.annotations.GuardedBy; -import com.android.internal.net.LegacyVpnInfo; -import com.android.internal.net.VpnConfig; -import com.android.internal.net.VpnProfile; -import com.android.internal.telephony.DctConstants; -import com.android.internal.telephony.Phone; -import com.android.internal.telephony.PhoneConstants; -import com.android.internal.util.IndentingPrintWriter; -import com.android.internal.util.XmlUtils; -import com.android.server.am.BatteryStatsService; -import com.android.server.connectivity.DataConnectionStats; -import com.android.server.connectivity.Nat464Xlat; -import com.android.server.connectivity.PacManager; -import com.android.server.connectivity.Tethering; -import com.android.server.connectivity.Vpn; -import com.android.server.net.BaseNetworkObserver; -import com.android.server.net.LockdownVpnTracker; -import com.google.android.collect.Lists; -import com.google.android.collect.Sets; - -import dalvik.system.DexClassLoader; - -import org.xmlpull.v1.XmlPullParser; -import org.xmlpull.v1.XmlPullParserException; - -import java.io.File; -import java.io.FileDescriptor; -import java.io.FileNotFoundException; -import java.io.FileReader; -import java.io.IOException; -import java.io.PrintWriter; -import java.lang.reflect.Constructor; -import java.net.HttpURLConnection; -import java.net.Inet4Address; -import java.net.Inet6Address; -import java.net.InetAddress; -import java.net.URL; -import java.net.URLConnection; -import java.net.UnknownHostException; -import java.util.ArrayList; -import java.util.Arrays; -import java.util.Collection; -import java.util.GregorianCalendar; -import java.util.HashMap; -import java.util.HashSet; -import java.util.List; -import java.util.Map; -import java.util.Random; -import java.util.concurrent.atomic.AtomicBoolean; -import java.util.concurrent.atomic.AtomicInteger; - -import javax.net.ssl.HostnameVerifier; -import javax.net.ssl.HttpsURLConnection; -import javax.net.ssl.SSLSession; - -/** - * @hide - */ -public class ConnectivityService extends IConnectivityManager.Stub { - private static final String TAG = "ConnectivityService"; - - private static final boolean DBG = true; - private static final boolean VDBG = false; - - private static final boolean LOGD_RULES = false; - - // TODO: create better separation between radio types and network types - - // how long to wait before switching back to a radio's default network - private static final int RESTORE_DEFAULT_NETWORK_DELAY = 1 * 60 * 1000; - // system property that can override the above value - private static final String NETWORK_RESTORE_DELAY_PROP_NAME = - "android.telephony.apn-restore"; - - // Default value if FAIL_FAST_TIME_MS is not set - private static final int DEFAULT_FAIL_FAST_TIME_MS = 1 * 60 * 1000; - // system property that can override DEFAULT_FAIL_FAST_TIME_MS - private static final String FAIL_FAST_TIME_MS = - "persist.radio.fail_fast_time_ms"; - - private static final String ACTION_PKT_CNT_SAMPLE_INTERVAL_ELAPSED = - "android.net.ConnectivityService.action.PKT_CNT_SAMPLE_INTERVAL_ELAPSED"; - - private static final int SAMPLE_INTERVAL_ELAPSED_REQUEST_CODE = 0; - - private PendingIntent mSampleIntervalElapsedIntent; - - // Set network sampling interval at 12 minutes, this way, even if the timers get - // aggregated, it will fire at around 15 minutes, which should allow us to - // aggregate this timer with other timers (specially the socket keep alive timers) - private static final int DEFAULT_SAMPLING_INTERVAL_IN_SECONDS = (VDBG ? 30 : 12 * 60); - - // start network sampling a minute after booting ... - private static final int DEFAULT_START_SAMPLING_INTERVAL_IN_SECONDS = (VDBG ? 30 : 60); - - AlarmManager mAlarmManager; - - // used in recursive route setting to add gateways for the host for which - // a host route was requested. - private static final int MAX_HOSTROUTE_CYCLE_COUNT = 10; - - private Tethering mTethering; - - private KeyStore mKeyStore; - - @GuardedBy("mVpns") - private final SparseArray<Vpn> mVpns = new SparseArray<Vpn>(); - private VpnCallback mVpnCallback = new VpnCallback(); - - private boolean mLockdownEnabled; - private LockdownVpnTracker mLockdownTracker; - - private Nat464Xlat mClat; - - /** Lock around {@link #mUidRules} and {@link #mMeteredIfaces}. */ - private Object mRulesLock = new Object(); - /** Currently active network rules by UID. */ - private SparseIntArray mUidRules = new SparseIntArray(); - /** Set of ifaces that are costly. */ - private HashSet<String> mMeteredIfaces = Sets.newHashSet(); - - /** - * Sometimes we want to refer to the individual network state - * trackers separately, and sometimes we just want to treat them - * abstractly. - */ - private NetworkStateTracker mNetTrackers[]; - - /* Handles captive portal check on a network */ - private CaptivePortalTracker mCaptivePortalTracker; - - /** - * The link properties that define the current links - */ - private LinkProperties mCurrentLinkProperties[]; - - /** - * A per Net list of the PID's that requested access to the net - * used both as a refcount and for per-PID DNS selection - */ - private List<Integer> mNetRequestersPids[]; - - // priority order of the nettrackers - // (excluding dynamically set mNetworkPreference) - // TODO - move mNetworkTypePreference into this - private int[] mPriorityList; - - private Context mContext; - private int mNetworkPreference; - private int mActiveDefaultNetwork = -1; - // 0 is full bad, 100 is full good - private int mDefaultInetCondition = 0; - private int mDefaultInetConditionPublished = 0; - private boolean mInetConditionChangeInFlight = false; - private int mDefaultConnectionSequence = 0; - - private Object mDnsLock = new Object(); - private int mNumDnsEntries; - - private boolean mTestMode; - private static ConnectivityService sServiceInstance; - - private INetworkManagementService mNetd; - private INetworkPolicyManager mPolicyManager; - - private static final int ENABLED = 1; - private static final int DISABLED = 0; - - private static final boolean ADD = true; - private static final boolean REMOVE = false; - - private static final boolean TO_DEFAULT_TABLE = true; - private static final boolean TO_SECONDARY_TABLE = false; - - private static final boolean EXEMPT = true; - private static final boolean UNEXEMPT = false; - - /** - * used internally as a delayed event to make us switch back to the - * default network - */ - private static final int EVENT_RESTORE_DEFAULT_NETWORK = 1; - - /** - * used internally to change our mobile data enabled flag - */ - private static final int EVENT_CHANGE_MOBILE_DATA_ENABLED = 2; - - /** - * used internally to change our network preference setting - * arg1 = networkType to prefer - */ - private static final int EVENT_SET_NETWORK_PREFERENCE = 3; - - /** - * used internally to synchronize inet condition reports - * arg1 = networkType - * arg2 = condition (0 bad, 100 good) - */ - private static final int EVENT_INET_CONDITION_CHANGE = 4; - - /** - * used internally to mark the end of inet condition hold periods - * arg1 = networkType - */ - private static final int EVENT_INET_CONDITION_HOLD_END = 5; - - /** - * used internally to set enable/disable cellular data - * arg1 = ENBALED or DISABLED - */ - private static final int EVENT_SET_MOBILE_DATA = 7; - - /** - * used internally to clear a wakelock when transitioning - * from one net to another - */ - private static final int EVENT_CLEAR_NET_TRANSITION_WAKELOCK = 8; - - /** - * used internally to reload global proxy settings - */ - private static final int EVENT_APPLY_GLOBAL_HTTP_PROXY = 9; - - /** - * used internally to set external dependency met/unmet - * arg1 = ENABLED (met) or DISABLED (unmet) - * arg2 = NetworkType - */ - private static final int EVENT_SET_DEPENDENCY_MET = 10; - - /** - * used internally to send a sticky broadcast delayed. - */ - private static final int EVENT_SEND_STICKY_BROADCAST_INTENT = 11; - - /** - * Used internally to - * {@link NetworkStateTracker#setPolicyDataEnable(boolean)}. - */ - private static final int EVENT_SET_POLICY_DATA_ENABLE = 12; - - private static final int EVENT_VPN_STATE_CHANGED = 13; - - /** - * Used internally to disable fail fast of mobile data - */ - private static final int EVENT_ENABLE_FAIL_FAST_MOBILE_DATA = 14; - - /** - * user internally to indicate that data sampling interval is up - */ - private static final int EVENT_SAMPLE_INTERVAL_ELAPSED = 15; - - /** - * PAC manager has received new port. - */ - private static final int EVENT_PROXY_HAS_CHANGED = 16; - - /** Handler used for internal events. */ - private InternalHandler mHandler; - /** Handler used for incoming {@link NetworkStateTracker} events. */ - private NetworkStateTrackerHandler mTrackerHandler; - - // list of DeathRecipients used to make sure features are turned off when - // a process dies - private List<FeatureUser> mFeatureUsers; - - private boolean mSystemReady; - private Intent mInitialBroadcast; - - private PowerManager.WakeLock mNetTransitionWakeLock; - private String mNetTransitionWakeLockCausedBy = ""; - private int mNetTransitionWakeLockSerialNumber; - private int mNetTransitionWakeLockTimeout; - - private InetAddress mDefaultDns; - - // Lock for protecting access to mAddedRoutes and mExemptAddresses - private final Object mRoutesLock = new Object(); - - // this collection is used to refcount the added routes - if there are none left - // it's time to remove the route from the route table - @GuardedBy("mRoutesLock") - private Collection<RouteInfo> mAddedRoutes = new ArrayList<RouteInfo>(); - - // this collection corresponds to the entries of mAddedRoutes that have routing exemptions - // used to handle cleanup of exempt rules - @GuardedBy("mRoutesLock") - private Collection<LinkAddress> mExemptAddresses = new ArrayList<LinkAddress>(); - - // used in DBG mode to track inet condition reports - private static final int INET_CONDITION_LOG_MAX_SIZE = 15; - private ArrayList mInetLog; - - // track the current default http proxy - tell the world if we get a new one (real change) - private ProxyProperties mDefaultProxy = null; - private Object mProxyLock = new Object(); - private boolean mDefaultProxyDisabled = false; - - // track the global proxy. - private ProxyProperties mGlobalProxy = null; - - private PacManager mPacManager = null; - - private SettingsObserver mSettingsObserver; - - private AppOpsManager mAppOpsManager; - - NetworkConfig[] mNetConfigs; - int mNetworksDefined; - - private static class RadioAttributes { - public int mSimultaneity; - public int mType; - public RadioAttributes(String init) { - String fragments[] = init.split(","); - mType = Integer.parseInt(fragments[0]); - mSimultaneity = Integer.parseInt(fragments[1]); - } - } - RadioAttributes[] mRadioAttributes; - - // the set of network types that can only be enabled by system/sig apps - List mProtectedNetworks; - - private DataConnectionStats mDataConnectionStats; - - private AtomicInteger mEnableFailFastMobileDataTag = new AtomicInteger(0); - - TelephonyManager mTelephonyManager; - - public ConnectivityService(Context context, INetworkManagementService netd, - INetworkStatsService statsService, INetworkPolicyManager policyManager) { - // Currently, omitting a NetworkFactory will create one internally - // TODO: create here when we have cleaner WiMAX support - this(context, netd, statsService, policyManager, null); - } - - public ConnectivityService(Context context, INetworkManagementService netManager, - INetworkStatsService statsService, INetworkPolicyManager policyManager, - NetworkFactory netFactory) { - if (DBG) log("ConnectivityService starting up"); - - HandlerThread handlerThread = new HandlerThread("ConnectivityServiceThread"); - handlerThread.start(); - mHandler = new InternalHandler(handlerThread.getLooper()); - mTrackerHandler = new NetworkStateTrackerHandler(handlerThread.getLooper()); - - if (netFactory == null) { - netFactory = new DefaultNetworkFactory(context, mTrackerHandler); - } - - // setup our unique device name - if (TextUtils.isEmpty(SystemProperties.get("net.hostname"))) { - String id = Settings.Secure.getString(context.getContentResolver(), - Settings.Secure.ANDROID_ID); - if (id != null && id.length() > 0) { - String name = new String("android-").concat(id); - SystemProperties.set("net.hostname", name); - } - } - - // read our default dns server ip - String dns = Settings.Global.getString(context.getContentResolver(), - Settings.Global.DEFAULT_DNS_SERVER); - if (dns == null || dns.length() == 0) { - dns = context.getResources().getString( - com.android.internal.R.string.config_default_dns_server); - } - try { - mDefaultDns = NetworkUtils.numericToInetAddress(dns); - } catch (IllegalArgumentException e) { - loge("Error setting defaultDns using " + dns); - } - - mContext = checkNotNull(context, "missing Context"); - mNetd = checkNotNull(netManager, "missing INetworkManagementService"); - mPolicyManager = checkNotNull(policyManager, "missing INetworkPolicyManager"); - mKeyStore = KeyStore.getInstance(); - mTelephonyManager = (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE); - - try { - mPolicyManager.registerListener(mPolicyListener); - } catch (RemoteException e) { - // ouch, no rules updates means some processes may never get network - loge("unable to register INetworkPolicyListener" + e.toString()); - } - - final PowerManager powerManager = (PowerManager) context.getSystemService( - Context.POWER_SERVICE); - mNetTransitionWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG); - mNetTransitionWakeLockTimeout = mContext.getResources().getInteger( - com.android.internal.R.integer.config_networkTransitionTimeout); - - mNetTrackers = new NetworkStateTracker[ - ConnectivityManager.MAX_NETWORK_TYPE+1]; - mCurrentLinkProperties = new LinkProperties[ConnectivityManager.MAX_NETWORK_TYPE+1]; - - mRadioAttributes = new RadioAttributes[ConnectivityManager.MAX_RADIO_TYPE+1]; - mNetConfigs = new NetworkConfig[ConnectivityManager.MAX_NETWORK_TYPE+1]; - - // Load device network attributes from resources - String[] raStrings = context.getResources().getStringArray( - com.android.internal.R.array.radioAttributes); - for (String raString : raStrings) { - RadioAttributes r = new RadioAttributes(raString); - if (VDBG) log("raString=" + raString + " r=" + r); - if (r.mType > ConnectivityManager.MAX_RADIO_TYPE) { - loge("Error in radioAttributes - ignoring attempt to define type " + r.mType); - continue; - } - if (mRadioAttributes[r.mType] != null) { - loge("Error in radioAttributes - ignoring attempt to redefine type " + - r.mType); - continue; - } - mRadioAttributes[r.mType] = r; - } - - // TODO: What is the "correct" way to do determine if this is a wifi only device? - boolean wifiOnly = SystemProperties.getBoolean("ro.radio.noril", false); - log("wifiOnly=" + wifiOnly); - String[] naStrings = context.getResources().getStringArray( - com.android.internal.R.array.networkAttributes); - for (String naString : naStrings) { - try { - NetworkConfig n = new NetworkConfig(naString); - if (VDBG) log("naString=" + naString + " config=" + n); - if (n.type > ConnectivityManager.MAX_NETWORK_TYPE) { - loge("Error in networkAttributes - ignoring attempt to define type " + - n.type); - continue; - } - if (wifiOnly && ConnectivityManager.isNetworkTypeMobile(n.type)) { - log("networkAttributes - ignoring mobile as this dev is wifiOnly " + - n.type); - continue; - } - if (mNetConfigs[n.type] != null) { - loge("Error in networkAttributes - ignoring attempt to redefine type " + - n.type); - continue; - } - if (mRadioAttributes[n.radio] == null) { - loge("Error in networkAttributes - ignoring attempt to use undefined " + - "radio " + n.radio + " in network type " + n.type); - continue; - } - mNetConfigs[n.type] = n; - mNetworksDefined++; - } catch(Exception e) { - // ignore it - leave the entry null - } - } - if (VDBG) log("mNetworksDefined=" + mNetworksDefined); - - mProtectedNetworks = new ArrayList<Integer>(); - int[] protectedNetworks = context.getResources().getIntArray( - com.android.internal.R.array.config_protectedNetworks); - for (int p : protectedNetworks) { - if ((mNetConfigs[p] != null) && (mProtectedNetworks.contains(p) == false)) { - mProtectedNetworks.add(p); - } else { - if (DBG) loge("Ignoring protectedNetwork " + p); - } - } - - // high priority first - mPriorityList = new int[mNetworksDefined]; - { - int insertionPoint = mNetworksDefined-1; - int currentLowest = 0; - int nextLowest = 0; - while (insertionPoint > -1) { - for (NetworkConfig na : mNetConfigs) { - if (na == null) continue; - if (na.priority < currentLowest) continue; - if (na.priority > currentLowest) { - if (na.priority < nextLowest || nextLowest == 0) { - nextLowest = na.priority; - } - continue; - } - mPriorityList[insertionPoint--] = na.type; - } - currentLowest = nextLowest; - nextLowest = 0; - } - } - - // Update mNetworkPreference according to user mannually first then overlay config.xml - mNetworkPreference = getPersistedNetworkPreference(); - if (mNetworkPreference == -1) { - for (int n : mPriorityList) { - if (mNetConfigs[n].isDefault() && ConnectivityManager.isNetworkTypeValid(n)) { - mNetworkPreference = n; - break; - } - } - if (mNetworkPreference == -1) { - throw new IllegalStateException( - "You should set at least one default Network in config.xml!"); - } - } - - mNetRequestersPids = - (List<Integer> [])new ArrayList[ConnectivityManager.MAX_NETWORK_TYPE+1]; - for (int i : mPriorityList) { - mNetRequestersPids[i] = new ArrayList<Integer>(); - } - - mFeatureUsers = new ArrayList<FeatureUser>(); - - mTestMode = SystemProperties.get("cm.test.mode").equals("true") - && SystemProperties.get("ro.build.type").equals("eng"); - - // Create and start trackers for hard-coded networks - for (int targetNetworkType : mPriorityList) { - final NetworkConfig config = mNetConfigs[targetNetworkType]; - final NetworkStateTracker tracker; - try { - tracker = netFactory.createTracker(targetNetworkType, config); - mNetTrackers[targetNetworkType] = tracker; - } catch (IllegalArgumentException e) { - Slog.e(TAG, "Problem creating " + getNetworkTypeName(targetNetworkType) - + " tracker: " + e); - continue; - } - - tracker.startMonitoring(context, mTrackerHandler); - if (config.isDefault()) { - tracker.reconnect(); - } - } - - mTethering = new Tethering(mContext, mNetd, statsService, this, mHandler.getLooper()); - - //set up the listener for user state for creating user VPNs - IntentFilter intentFilter = new IntentFilter(); - intentFilter.addAction(Intent.ACTION_USER_STARTING); - intentFilter.addAction(Intent.ACTION_USER_STOPPING); - mContext.registerReceiverAsUser( - mUserIntentReceiver, UserHandle.ALL, intentFilter, null, null); - mClat = new Nat464Xlat(mContext, mNetd, this, mTrackerHandler); - - try { - mNetd.registerObserver(mTethering); - mNetd.registerObserver(mDataActivityObserver); - mNetd.registerObserver(mClat); - } catch (RemoteException e) { - loge("Error registering observer :" + e); - } - - if (DBG) { - mInetLog = new ArrayList(); - } - - mSettingsObserver = new SettingsObserver(mHandler, EVENT_APPLY_GLOBAL_HTTP_PROXY); - mSettingsObserver.observe(mContext); - - mDataConnectionStats = new DataConnectionStats(mContext); - mDataConnectionStats.startMonitoring(); - - // start network sampling .. - Intent intent = new Intent(ACTION_PKT_CNT_SAMPLE_INTERVAL_ELAPSED, null); - mSampleIntervalElapsedIntent = PendingIntent.getBroadcast(mContext, - SAMPLE_INTERVAL_ELAPSED_REQUEST_CODE, intent, 0); - - mAlarmManager = (AlarmManager)mContext.getSystemService(Context.ALARM_SERVICE); - setAlarm(DEFAULT_START_SAMPLING_INTERVAL_IN_SECONDS * 1000, mSampleIntervalElapsedIntent); - - IntentFilter filter = new IntentFilter(); - filter.addAction(ACTION_PKT_CNT_SAMPLE_INTERVAL_ELAPSED); - mContext.registerReceiver( - new BroadcastReceiver() { - @Override - public void onReceive(Context context, Intent intent) { - String action = intent.getAction(); - if (action.equals(ACTION_PKT_CNT_SAMPLE_INTERVAL_ELAPSED)) { - mHandler.sendMessage(mHandler.obtainMessage - (EVENT_SAMPLE_INTERVAL_ELAPSED)); - } - } - }, - new IntentFilter(filter)); - - mPacManager = new PacManager(mContext, mHandler, EVENT_PROXY_HAS_CHANGED); - - filter = new IntentFilter(); - filter.addAction(CONNECTED_TO_PROVISIONING_NETWORK_ACTION); - mContext.registerReceiver(mProvisioningReceiver, filter); - - mAppOpsManager = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE); - } - - /** - * Factory that creates {@link NetworkStateTracker} instances using given - * {@link NetworkConfig}. - */ - public interface NetworkFactory { - public NetworkStateTracker createTracker(int targetNetworkType, NetworkConfig config); - } - - private static class DefaultNetworkFactory implements NetworkFactory { - private final Context mContext; - private final Handler mTrackerHandler; - - public DefaultNetworkFactory(Context context, Handler trackerHandler) { - mContext = context; - mTrackerHandler = trackerHandler; - } - - @Override - public NetworkStateTracker createTracker(int targetNetworkType, NetworkConfig config) { - switch (config.radio) { - case TYPE_WIFI: - return new WifiStateTracker(targetNetworkType, config.name); - case TYPE_MOBILE: - return new MobileDataStateTracker(targetNetworkType, config.name); - case TYPE_DUMMY: - return new DummyDataStateTracker(targetNetworkType, config.name); - case TYPE_BLUETOOTH: - return BluetoothTetheringDataTracker.getInstance(); - case TYPE_WIMAX: - return makeWimaxStateTracker(mContext, mTrackerHandler); - case TYPE_ETHERNET: - return EthernetDataTracker.getInstance(); - default: - throw new IllegalArgumentException( - "Trying to create a NetworkStateTracker for an unknown radio type: " - + config.radio); - } - } - } - - /** - * Loads external WiMAX library and registers as system service, returning a - * {@link NetworkStateTracker} for WiMAX. Caller is still responsible for - * invoking {@link NetworkStateTracker#startMonitoring(Context, Handler)}. - */ - private static NetworkStateTracker makeWimaxStateTracker( - Context context, Handler trackerHandler) { - // Initialize Wimax - DexClassLoader wimaxClassLoader; - Class wimaxStateTrackerClass = null; - Class wimaxServiceClass = null; - Class wimaxManagerClass; - String wimaxJarLocation; - String wimaxLibLocation; - String wimaxManagerClassName; - String wimaxServiceClassName; - String wimaxStateTrackerClassName; - - NetworkStateTracker wimaxStateTracker = null; - - boolean isWimaxEnabled = context.getResources().getBoolean( - com.android.internal.R.bool.config_wimaxEnabled); - - if (isWimaxEnabled) { - try { - wimaxJarLocation = context.getResources().getString( - com.android.internal.R.string.config_wimaxServiceJarLocation); - wimaxLibLocation = context.getResources().getString( - com.android.internal.R.string.config_wimaxNativeLibLocation); - wimaxManagerClassName = context.getResources().getString( - com.android.internal.R.string.config_wimaxManagerClassname); - wimaxServiceClassName = context.getResources().getString( - com.android.internal.R.string.config_wimaxServiceClassname); - wimaxStateTrackerClassName = context.getResources().getString( - com.android.internal.R.string.config_wimaxStateTrackerClassname); - - if (DBG) log("wimaxJarLocation: " + wimaxJarLocation); - wimaxClassLoader = new DexClassLoader(wimaxJarLocation, - new ContextWrapper(context).getCacheDir().getAbsolutePath(), - wimaxLibLocation, ClassLoader.getSystemClassLoader()); - - try { - wimaxManagerClass = wimaxClassLoader.loadClass(wimaxManagerClassName); - wimaxStateTrackerClass = wimaxClassLoader.loadClass(wimaxStateTrackerClassName); - wimaxServiceClass = wimaxClassLoader.loadClass(wimaxServiceClassName); - } catch (ClassNotFoundException ex) { - loge("Exception finding Wimax classes: " + ex.toString()); - return null; - } - } catch(Resources.NotFoundException ex) { - loge("Wimax Resources does not exist!!! "); - return null; - } - - try { - if (DBG) log("Starting Wimax Service... "); - - Constructor wmxStTrkrConst = wimaxStateTrackerClass.getConstructor - (new Class[] {Context.class, Handler.class}); - wimaxStateTracker = (NetworkStateTracker) wmxStTrkrConst.newInstance( - context, trackerHandler); - - Constructor wmxSrvConst = wimaxServiceClass.getDeclaredConstructor - (new Class[] {Context.class, wimaxStateTrackerClass}); - wmxSrvConst.setAccessible(true); - IBinder svcInvoker = (IBinder)wmxSrvConst.newInstance(context, wimaxStateTracker); - wmxSrvConst.setAccessible(false); - - ServiceManager.addService(WimaxManagerConstants.WIMAX_SERVICE, svcInvoker); - - } catch(Exception ex) { - loge("Exception creating Wimax classes: " + ex.toString()); - return null; - } - } else { - loge("Wimax is not enabled or not added to the network attributes!!! "); - return null; - } - - return wimaxStateTracker; - } - - /** - * Sets the preferred network. - * @param preference the new preference - */ - public void setNetworkPreference(int preference) { - enforceChangePermission(); - - mHandler.sendMessage( - mHandler.obtainMessage(EVENT_SET_NETWORK_PREFERENCE, preference, 0)); - } - - public int getNetworkPreference() { - enforceAccessPermission(); - int preference; - synchronized(this) { - preference = mNetworkPreference; - } - return preference; - } - - private void handleSetNetworkPreference(int preference) { - if (ConnectivityManager.isNetworkTypeValid(preference) && - mNetConfigs[preference] != null && - mNetConfigs[preference].isDefault()) { - if (mNetworkPreference != preference) { - final ContentResolver cr = mContext.getContentResolver(); - Settings.Global.putInt(cr, Settings.Global.NETWORK_PREFERENCE, preference); - synchronized(this) { - mNetworkPreference = preference; - } - enforcePreference(); - } - } - } - - private int getConnectivityChangeDelay() { - final ContentResolver cr = mContext.getContentResolver(); - - /** Check system properties for the default value then use secure settings value, if any. */ - int defaultDelay = SystemProperties.getInt( - "conn." + Settings.Global.CONNECTIVITY_CHANGE_DELAY, - ConnectivityManager.CONNECTIVITY_CHANGE_DELAY_DEFAULT); - return Settings.Global.getInt(cr, Settings.Global.CONNECTIVITY_CHANGE_DELAY, - defaultDelay); - } - - private int getPersistedNetworkPreference() { - final ContentResolver cr = mContext.getContentResolver(); - - final int networkPrefSetting = Settings.Global - .getInt(cr, Settings.Global.NETWORK_PREFERENCE, -1); - - return networkPrefSetting; - } - - /** - * Make the state of network connectivity conform to the preference settings - * In this method, we only tear down a non-preferred network. Establishing - * a connection to the preferred network is taken care of when we handle - * the disconnect event from the non-preferred network - * (see {@link #handleDisconnect(NetworkInfo)}). - */ - private void enforcePreference() { - if (mNetTrackers[mNetworkPreference].getNetworkInfo().isConnected()) - return; - - if (!mNetTrackers[mNetworkPreference].isAvailable()) - return; - - for (int t=0; t <= ConnectivityManager.MAX_RADIO_TYPE; t++) { - if (t != mNetworkPreference && mNetTrackers[t] != null && - mNetTrackers[t].getNetworkInfo().isConnected()) { - if (DBG) { - log("tearing down " + mNetTrackers[t].getNetworkInfo() + - " in enforcePreference"); - } - teardown(mNetTrackers[t]); - } - } - } - - private boolean teardown(NetworkStateTracker netTracker) { - if (netTracker.teardown()) { - netTracker.setTeardownRequested(true); - return true; - } else { - return false; - } - } - - /** - * Check if UID should be blocked from using the network represented by the - * given {@link NetworkStateTracker}. - */ - private boolean isNetworkBlocked(NetworkStateTracker tracker, int uid) { - final String iface = tracker.getLinkProperties().getInterfaceName(); - - final boolean networkCostly; - final int uidRules; - synchronized (mRulesLock) { - networkCostly = mMeteredIfaces.contains(iface); - uidRules = mUidRules.get(uid, RULE_ALLOW_ALL); - } - - if (networkCostly && (uidRules & RULE_REJECT_METERED) != 0) { - return true; - } - - // no restrictive rules; network is visible - return false; - } - - /** - * Return a filtered {@link NetworkInfo}, potentially marked - * {@link DetailedState#BLOCKED} based on - * {@link #isNetworkBlocked(NetworkStateTracker, int)}. - */ - private NetworkInfo getFilteredNetworkInfo(NetworkStateTracker tracker, int uid) { - NetworkInfo info = tracker.getNetworkInfo(); - if (isNetworkBlocked(tracker, uid)) { - // network is blocked; clone and override state - info = new NetworkInfo(info); - info.setDetailedState(DetailedState.BLOCKED, null, null); - } - if (mLockdownTracker != null) { - info = mLockdownTracker.augmentNetworkInfo(info); - } - return info; - } - - /** - * Return NetworkInfo for the active (i.e., connected) network interface. - * It is assumed that at most one network is active at a time. If more - * than one is active, it is indeterminate which will be returned. - * @return the info for the active network, or {@code null} if none is - * active - */ - @Override - public NetworkInfo getActiveNetworkInfo() { - enforceAccessPermission(); - final int uid = Binder.getCallingUid(); - return getNetworkInfo(mActiveDefaultNetwork, uid); - } - - /** - * Find the first Provisioning network. - * - * @return NetworkInfo or null if none. - */ - private NetworkInfo getProvisioningNetworkInfo() { - enforceAccessPermission(); - - // Find the first Provisioning Network - NetworkInfo provNi = null; - for (NetworkInfo ni : getAllNetworkInfo()) { - if (ni.isConnectedToProvisioningNetwork()) { - provNi = ni; - break; - } - } - if (DBG) log("getProvisioningNetworkInfo: X provNi=" + provNi); - return provNi; - } - - /** - * Find the first Provisioning network or the ActiveDefaultNetwork - * if there is no Provisioning network - * - * @return NetworkInfo or null if none. - */ - @Override - public NetworkInfo getProvisioningOrActiveNetworkInfo() { - enforceAccessPermission(); - - NetworkInfo provNi = getProvisioningNetworkInfo(); - if (provNi == null) { - final int uid = Binder.getCallingUid(); - provNi = getNetworkInfo(mActiveDefaultNetwork, uid); - } - if (DBG) log("getProvisioningOrActiveNetworkInfo: X provNi=" + provNi); - return provNi; - } - - public NetworkInfo getActiveNetworkInfoUnfiltered() { - enforceAccessPermission(); - if (isNetworkTypeValid(mActiveDefaultNetwork)) { - final NetworkStateTracker tracker = mNetTrackers[mActiveDefaultNetwork]; - if (tracker != null) { - return tracker.getNetworkInfo(); - } - } - return null; - } - - @Override - public NetworkInfo getActiveNetworkInfoForUid(int uid) { - enforceConnectivityInternalPermission(); - return getNetworkInfo(mActiveDefaultNetwork, uid); - } - - @Override - public NetworkInfo getNetworkInfo(int networkType) { - enforceAccessPermission(); - final int uid = Binder.getCallingUid(); - return getNetworkInfo(networkType, uid); - } - - private NetworkInfo getNetworkInfo(int networkType, int uid) { - NetworkInfo info = null; - if (isNetworkTypeValid(networkType)) { - final NetworkStateTracker tracker = mNetTrackers[networkType]; - if (tracker != null) { - info = getFilteredNetworkInfo(tracker, uid); - } - } - return info; - } - - @Override - public NetworkInfo[] getAllNetworkInfo() { - enforceAccessPermission(); - final int uid = Binder.getCallingUid(); - final ArrayList<NetworkInfo> result = Lists.newArrayList(); - synchronized (mRulesLock) { - for (NetworkStateTracker tracker : mNetTrackers) { - if (tracker != null) { - result.add(getFilteredNetworkInfo(tracker, uid)); - } - } - } - return result.toArray(new NetworkInfo[result.size()]); - } - - @Override - public boolean isNetworkSupported(int networkType) { - enforceAccessPermission(); - return (isNetworkTypeValid(networkType) && (mNetTrackers[networkType] != null)); - } - - /** - * Return LinkProperties for the active (i.e., connected) default - * network interface. It is assumed that at most one default network - * is active at a time. If more than one is active, it is indeterminate - * which will be returned. - * @return the ip properties for the active network, or {@code null} if - * none is active - */ - @Override - public LinkProperties getActiveLinkProperties() { - return getLinkProperties(mActiveDefaultNetwork); - } - - @Override - public LinkProperties getLinkProperties(int networkType) { - enforceAccessPermission(); - if (isNetworkTypeValid(networkType)) { - final NetworkStateTracker tracker = mNetTrackers[networkType]; - if (tracker != null) { - return tracker.getLinkProperties(); - } - } - return null; - } - - @Override - public NetworkState[] getAllNetworkState() { - enforceAccessPermission(); - final int uid = Binder.getCallingUid(); - final ArrayList<NetworkState> result = Lists.newArrayList(); - synchronized (mRulesLock) { - for (NetworkStateTracker tracker : mNetTrackers) { - if (tracker != null) { - final NetworkInfo info = getFilteredNetworkInfo(tracker, uid); - result.add(new NetworkState( - info, tracker.getLinkProperties(), tracker.getLinkCapabilities())); - } - } - } - return result.toArray(new NetworkState[result.size()]); - } - - private NetworkState getNetworkStateUnchecked(int networkType) { - if (isNetworkTypeValid(networkType)) { - final NetworkStateTracker tracker = mNetTrackers[networkType]; - if (tracker != null) { - return new NetworkState(tracker.getNetworkInfo(), tracker.getLinkProperties(), - tracker.getLinkCapabilities()); - } - } - return null; - } - - @Override - public NetworkQuotaInfo getActiveNetworkQuotaInfo() { - enforceAccessPermission(); - - final long token = Binder.clearCallingIdentity(); - try { - final NetworkState state = getNetworkStateUnchecked(mActiveDefaultNetwork); - if (state != null) { - try { - return mPolicyManager.getNetworkQuotaInfo(state); - } catch (RemoteException e) { - } - } - return null; - } finally { - Binder.restoreCallingIdentity(token); - } - } - - @Override - public boolean isActiveNetworkMetered() { - enforceAccessPermission(); - final long token = Binder.clearCallingIdentity(); - try { - return isNetworkMeteredUnchecked(mActiveDefaultNetwork); - } finally { - Binder.restoreCallingIdentity(token); - } - } - - private boolean isNetworkMeteredUnchecked(int networkType) { - final NetworkState state = getNetworkStateUnchecked(networkType); - if (state != null) { - try { - return mPolicyManager.isNetworkMetered(state); - } catch (RemoteException e) { - } - } - return false; - } - - public boolean setRadios(boolean turnOn) { - boolean result = true; - enforceChangePermission(); - for (NetworkStateTracker t : mNetTrackers) { - if (t != null) result = t.setRadio(turnOn) && result; - } - return result; - } - - public boolean setRadio(int netType, boolean turnOn) { - enforceChangePermission(); - if (!ConnectivityManager.isNetworkTypeValid(netType)) { - return false; - } - NetworkStateTracker tracker = mNetTrackers[netType]; - return tracker != null && tracker.setRadio(turnOn); - } - - private INetworkManagementEventObserver mDataActivityObserver = new BaseNetworkObserver() { - @Override - public void interfaceClassDataActivityChanged(String label, boolean active) { - int deviceType = Integer.parseInt(label); - sendDataActivityBroadcast(deviceType, active); - } - }; - - /** - * Used to notice when the calling process dies so we can self-expire - * - * Also used to know if the process has cleaned up after itself when - * our auto-expire timer goes off. The timer has a link to an object. - * - */ - private class FeatureUser implements IBinder.DeathRecipient { - int mNetworkType; - String mFeature; - IBinder mBinder; - int mPid; - int mUid; - long mCreateTime; - - FeatureUser(int type, String feature, IBinder binder) { - super(); - mNetworkType = type; - mFeature = feature; - mBinder = binder; - mPid = getCallingPid(); - mUid = getCallingUid(); - mCreateTime = System.currentTimeMillis(); - - try { - mBinder.linkToDeath(this, 0); - } catch (RemoteException e) { - binderDied(); - } - } - - void unlinkDeathRecipient() { - mBinder.unlinkToDeath(this, 0); - } - - public void binderDied() { - log("ConnectivityService FeatureUser binderDied(" + - mNetworkType + ", " + mFeature + ", " + mBinder + "), created " + - (System.currentTimeMillis() - mCreateTime) + " mSec ago"); - stopUsingNetworkFeature(this, false); - } - - public void expire() { - if (VDBG) { - log("ConnectivityService FeatureUser expire(" + - mNetworkType + ", " + mFeature + ", " + mBinder +"), created " + - (System.currentTimeMillis() - mCreateTime) + " mSec ago"); - } - stopUsingNetworkFeature(this, false); - } - - public boolean isSameUser(FeatureUser u) { - if (u == null) return false; - - return isSameUser(u.mPid, u.mUid, u.mNetworkType, u.mFeature); - } - - public boolean isSameUser(int pid, int uid, int networkType, String feature) { - if ((mPid == pid) && (mUid == uid) && (mNetworkType == networkType) && - TextUtils.equals(mFeature, feature)) { - return true; - } - return false; - } - - public String toString() { - return "FeatureUser("+mNetworkType+","+mFeature+","+mPid+","+mUid+"), created " + - (System.currentTimeMillis() - mCreateTime) + " mSec ago"; - } - } - - // javadoc from interface - public int startUsingNetworkFeature(int networkType, String feature, - IBinder binder) { - long startTime = 0; - if (DBG) { - startTime = SystemClock.elapsedRealtime(); - } - if (VDBG) { - log("startUsingNetworkFeature for net " + networkType + ": " + feature + ", uid=" - + Binder.getCallingUid()); - } - enforceChangePermission(); - try { - if (!ConnectivityManager.isNetworkTypeValid(networkType) || - mNetConfigs[networkType] == null) { - return PhoneConstants.APN_REQUEST_FAILED; - } - - FeatureUser f = new FeatureUser(networkType, feature, binder); - - // TODO - move this into individual networktrackers - int usedNetworkType = convertFeatureToNetworkType(networkType, feature); - - if (mLockdownEnabled) { - // Since carrier APNs usually aren't available from VPN - // endpoint, mark them as unavailable. - return PhoneConstants.APN_TYPE_NOT_AVAILABLE; - } - - if (mProtectedNetworks.contains(usedNetworkType)) { - enforceConnectivityInternalPermission(); - } - - // if UID is restricted, don't allow them to bring up metered APNs - final boolean networkMetered = isNetworkMeteredUnchecked(usedNetworkType); - final int uidRules; - synchronized (mRulesLock) { - uidRules = mUidRules.get(Binder.getCallingUid(), RULE_ALLOW_ALL); - } - if (networkMetered && (uidRules & RULE_REJECT_METERED) != 0) { - return PhoneConstants.APN_REQUEST_FAILED; - } - - NetworkStateTracker network = mNetTrackers[usedNetworkType]; - if (network != null) { - Integer currentPid = new Integer(getCallingPid()); - if (usedNetworkType != networkType) { - NetworkInfo ni = network.getNetworkInfo(); - - if (ni.isAvailable() == false) { - if (!TextUtils.equals(feature,Phone.FEATURE_ENABLE_DUN_ALWAYS)) { - if (DBG) log("special network not available ni=" + ni.getTypeName()); - return PhoneConstants.APN_TYPE_NOT_AVAILABLE; - } else { - // else make the attempt anyway - probably giving REQUEST_STARTED below - if (DBG) { - log("special network not available, but try anyway ni=" + - ni.getTypeName()); - } - } - } - - int restoreTimer = getRestoreDefaultNetworkDelay(usedNetworkType); - - synchronized(this) { - boolean addToList = true; - if (restoreTimer < 0) { - // In case there is no timer is specified for the feature, - // make sure we don't add duplicate entry with the same request. - for (FeatureUser u : mFeatureUsers) { - if (u.isSameUser(f)) { - // Duplicate user is found. Do not add. - addToList = false; - break; - } - } - } - - if (addToList) mFeatureUsers.add(f); - if (!mNetRequestersPids[usedNetworkType].contains(currentPid)) { - // this gets used for per-pid dns when connected - mNetRequestersPids[usedNetworkType].add(currentPid); - } - } - - if (restoreTimer >= 0) { - mHandler.sendMessageDelayed(mHandler.obtainMessage( - EVENT_RESTORE_DEFAULT_NETWORK, f), restoreTimer); - } - - if ((ni.isConnectedOrConnecting() == true) && - !network.isTeardownRequested()) { - if (ni.isConnected() == true) { - final long token = Binder.clearCallingIdentity(); - try { - // add the pid-specific dns - handleDnsConfigurationChange(usedNetworkType); - if (VDBG) log("special network already active"); - } finally { - Binder.restoreCallingIdentity(token); - } - return PhoneConstants.APN_ALREADY_ACTIVE; - } - if (VDBG) log("special network already connecting"); - return PhoneConstants.APN_REQUEST_STARTED; - } - - // check if the radio in play can make another contact - // assume if cannot for now - - if (DBG) { - log("startUsingNetworkFeature reconnecting to " + networkType + ": " + - feature); - } - if (network.reconnect()) { - if (DBG) log("startUsingNetworkFeature X: return APN_REQUEST_STARTED"); - return PhoneConstants.APN_REQUEST_STARTED; - } else { - if (DBG) log("startUsingNetworkFeature X: return APN_REQUEST_FAILED"); - return PhoneConstants.APN_REQUEST_FAILED; - } - } else { - // need to remember this unsupported request so we respond appropriately on stop - synchronized(this) { - mFeatureUsers.add(f); - if (!mNetRequestersPids[usedNetworkType].contains(currentPid)) { - // this gets used for per-pid dns when connected - mNetRequestersPids[usedNetworkType].add(currentPid); - } - } - if (DBG) log("startUsingNetworkFeature X: return -1 unsupported feature."); - return -1; - } - } - if (DBG) log("startUsingNetworkFeature X: return APN_TYPE_NOT_AVAILABLE"); - return PhoneConstants.APN_TYPE_NOT_AVAILABLE; - } finally { - if (DBG) { - final long execTime = SystemClock.elapsedRealtime() - startTime; - if (execTime > 250) { - loge("startUsingNetworkFeature took too long: " + execTime + "ms"); - } else { - if (VDBG) log("startUsingNetworkFeature took " + execTime + "ms"); - } - } - } - } - - // javadoc from interface - public int stopUsingNetworkFeature(int networkType, String feature) { - enforceChangePermission(); - - int pid = getCallingPid(); - int uid = getCallingUid(); - - FeatureUser u = null; - boolean found = false; - - synchronized(this) { - for (FeatureUser x : mFeatureUsers) { - if (x.isSameUser(pid, uid, networkType, feature)) { - u = x; - found = true; - break; - } - } - } - if (found && u != null) { - if (VDBG) log("stopUsingNetworkFeature: X"); - // stop regardless of how many other time this proc had called start - return stopUsingNetworkFeature(u, true); - } else { - // none found! - if (VDBG) log("stopUsingNetworkFeature: X not a live request, ignoring"); - return 1; - } - } - - private int stopUsingNetworkFeature(FeatureUser u, boolean ignoreDups) { - int networkType = u.mNetworkType; - String feature = u.mFeature; - int pid = u.mPid; - int uid = u.mUid; - - NetworkStateTracker tracker = null; - boolean callTeardown = false; // used to carry our decision outside of sync block - - if (VDBG) { - log("stopUsingNetworkFeature: net " + networkType + ": " + feature); - } - - if (!ConnectivityManager.isNetworkTypeValid(networkType)) { - if (DBG) { - log("stopUsingNetworkFeature: net " + networkType + ": " + feature + - ", net is invalid"); - } - return -1; - } - - // need to link the mFeatureUsers list with the mNetRequestersPids state in this - // sync block - synchronized(this) { - // check if this process still has an outstanding start request - if (!mFeatureUsers.contains(u)) { - if (VDBG) { - log("stopUsingNetworkFeature: this process has no outstanding requests" + - ", ignoring"); - } - return 1; - } - u.unlinkDeathRecipient(); - mFeatureUsers.remove(mFeatureUsers.indexOf(u)); - // If we care about duplicate requests, check for that here. - // - // This is done to support the extension of a request - the app - // can request we start the network feature again and renew the - // auto-shutoff delay. Normal "stop" calls from the app though - // do not pay attention to duplicate requests - in effect the - // API does not refcount and a single stop will counter multiple starts. - if (ignoreDups == false) { - for (FeatureUser x : mFeatureUsers) { - if (x.isSameUser(u)) { - if (VDBG) log("stopUsingNetworkFeature: dup is found, ignoring"); - return 1; - } - } - } - - // TODO - move to individual network trackers - int usedNetworkType = convertFeatureToNetworkType(networkType, feature); - - tracker = mNetTrackers[usedNetworkType]; - if (tracker == null) { - if (DBG) { - log("stopUsingNetworkFeature: net " + networkType + ": " + feature + - " no known tracker for used net type " + usedNetworkType); - } - return -1; - } - if (usedNetworkType != networkType) { - Integer currentPid = new Integer(pid); - mNetRequestersPids[usedNetworkType].remove(currentPid); - - final long token = Binder.clearCallingIdentity(); - try { - reassessPidDns(pid, true); - } finally { - Binder.restoreCallingIdentity(token); - } - flushVmDnsCache(); - if (mNetRequestersPids[usedNetworkType].size() != 0) { - if (VDBG) { - log("stopUsingNetworkFeature: net " + networkType + ": " + feature + - " others still using it"); - } - return 1; - } - callTeardown = true; - } else { - if (DBG) { - log("stopUsingNetworkFeature: net " + networkType + ": " + feature + - " not a known feature - dropping"); - } - } - } - - if (callTeardown) { - if (DBG) { - log("stopUsingNetworkFeature: teardown net " + networkType + ": " + feature); - } - tracker.teardown(); - return 1; - } else { - return -1; - } - } - - /** - * Check if the address falls into any of currently running VPN's route's. - */ - private boolean isAddressUnderVpn(InetAddress address) { - synchronized (mVpns) { - synchronized (mRoutesLock) { - int uid = UserHandle.getCallingUserId(); - Vpn vpn = mVpns.get(uid); - if (vpn == null) { - return false; - } - - // Check if an exemption exists for this address. - for (LinkAddress destination : mExemptAddresses) { - if (!NetworkUtils.addressTypeMatches(address, destination.getAddress())) { - continue; - } - - int prefix = destination.getNetworkPrefixLength(); - InetAddress addrMasked = NetworkUtils.getNetworkPart(address, prefix); - InetAddress destMasked = NetworkUtils.getNetworkPart(destination.getAddress(), - prefix); - - if (addrMasked.equals(destMasked)) { - return false; - } - } - - // Finally check if the address is covered by the VPN. - return vpn.isAddressCovered(address); - } - } - } - - /** - * @deprecated use requestRouteToHostAddress instead - * - * Ensure that a network route exists to deliver traffic to the specified - * host via the specified network interface. - * @param networkType the type of the network over which traffic to the - * specified host is to be routed - * @param hostAddress the IP address of the host to which the route is - * desired - * @return {@code true} on success, {@code false} on failure - */ - public boolean requestRouteToHost(int networkType, int hostAddress, String packageName) { - InetAddress inetAddress = NetworkUtils.intToInetAddress(hostAddress); - - if (inetAddress == null) { - return false; - } - - return requestRouteToHostAddress(networkType, inetAddress.getAddress(), packageName); - } - - /** - * Ensure that a network route exists to deliver traffic to the specified - * host via the specified network interface. - * @param networkType the type of the network over which traffic to the - * specified host is to be routed - * @param hostAddress the IP address of the host to which the route is - * desired - * @return {@code true} on success, {@code false} on failure - */ - public boolean requestRouteToHostAddress(int networkType, byte[] hostAddress, - String packageName) { - enforceChangePermission(); - if (mProtectedNetworks.contains(networkType)) { - enforceConnectivityInternalPermission(); - } - boolean exempt; - InetAddress addr; - try { - addr = InetAddress.getByAddress(hostAddress); - } catch (UnknownHostException e) { - if (DBG) log("requestRouteToHostAddress got " + e.toString()); - return false; - } - // System apps may request routes bypassing the VPN to keep other networks working. - if (Binder.getCallingUid() == Process.SYSTEM_UID) { - exempt = true; - } else { - mAppOpsManager.checkPackage(Binder.getCallingUid(), packageName); - try { - ApplicationInfo info = mContext.getPackageManager().getApplicationInfo(packageName, - 0); - exempt = (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; - } catch (NameNotFoundException e) { - throw new IllegalArgumentException("Failed to find calling package details", e); - } - } - - // Non-exempt routeToHost's can only be added if the host is not covered by the VPN. - // This can be either because the VPN's routes do not cover the destination or a - // system application added an exemption that covers this destination. - if (!exempt && isAddressUnderVpn(addr)) { - return false; - } - - if (!ConnectivityManager.isNetworkTypeValid(networkType)) { - if (DBG) log("requestRouteToHostAddress on invalid network: " + networkType); - return false; - } - NetworkStateTracker tracker = mNetTrackers[networkType]; - DetailedState netState = tracker.getNetworkInfo().getDetailedState(); - - if (tracker == null || (netState != DetailedState.CONNECTED && - netState != DetailedState.CAPTIVE_PORTAL_CHECK) || - tracker.isTeardownRequested()) { - if (VDBG) { - log("requestRouteToHostAddress on down network " - + "(" + networkType + ") - dropped" - + " tracker=" + tracker - + " netState=" + netState - + " isTeardownRequested=" - + ((tracker != null) ? tracker.isTeardownRequested() : "tracker:null")); - } - return false; - } - final long token = Binder.clearCallingIdentity(); - try { - LinkProperties lp = tracker.getLinkProperties(); - boolean ok = addRouteToAddress(lp, addr, exempt); - if (DBG) log("requestRouteToHostAddress ok=" + ok); - return ok; - } finally { - Binder.restoreCallingIdentity(token); - } - } - - private boolean addRoute(LinkProperties p, RouteInfo r, boolean toDefaultTable, - boolean exempt) { - return modifyRoute(p, r, 0, ADD, toDefaultTable, exempt); - } - - private boolean removeRoute(LinkProperties p, RouteInfo r, boolean toDefaultTable) { - return modifyRoute(p, r, 0, REMOVE, toDefaultTable, UNEXEMPT); - } - - private boolean addRouteToAddress(LinkProperties lp, InetAddress addr, boolean exempt) { - return modifyRouteToAddress(lp, addr, ADD, TO_DEFAULT_TABLE, exempt); - } - - private boolean removeRouteToAddress(LinkProperties lp, InetAddress addr) { - return modifyRouteToAddress(lp, addr, REMOVE, TO_DEFAULT_TABLE, UNEXEMPT); - } - - private boolean modifyRouteToAddress(LinkProperties lp, InetAddress addr, boolean doAdd, - boolean toDefaultTable, boolean exempt) { - RouteInfo bestRoute = RouteInfo.selectBestRoute(lp.getAllRoutes(), addr); - if (bestRoute == null) { - bestRoute = RouteInfo.makeHostRoute(addr, lp.getInterfaceName()); - } else { - String iface = bestRoute.getInterface(); - if (bestRoute.getGateway().equals(addr)) { - // if there is no better route, add the implied hostroute for our gateway - bestRoute = RouteInfo.makeHostRoute(addr, iface); - } else { - // if we will connect to this through another route, add a direct route - // to it's gateway - bestRoute = RouteInfo.makeHostRoute(addr, bestRoute.getGateway(), iface); - } - } - return modifyRoute(lp, bestRoute, 0, doAdd, toDefaultTable, exempt); - } - - private boolean modifyRoute(LinkProperties lp, RouteInfo r, int cycleCount, boolean doAdd, - boolean toDefaultTable, boolean exempt) { - if ((lp == null) || (r == null)) { - if (DBG) log("modifyRoute got unexpected null: " + lp + ", " + r); - return false; - } - - if (cycleCount > MAX_HOSTROUTE_CYCLE_COUNT) { - loge("Error modifying route - too much recursion"); - return false; - } - - String ifaceName = r.getInterface(); - if(ifaceName == null) { - loge("Error modifying route - no interface name"); - return false; - } - if (r.hasGateway()) { - RouteInfo bestRoute = RouteInfo.selectBestRoute(lp.getAllRoutes(), r.getGateway()); - if (bestRoute != null) { - if (bestRoute.getGateway().equals(r.getGateway())) { - // if there is no better route, add the implied hostroute for our gateway - bestRoute = RouteInfo.makeHostRoute(r.getGateway(), ifaceName); - } else { - // if we will connect to our gateway through another route, add a direct - // route to it's gateway - bestRoute = RouteInfo.makeHostRoute(r.getGateway(), - bestRoute.getGateway(), - ifaceName); - } - modifyRoute(lp, bestRoute, cycleCount+1, doAdd, toDefaultTable, exempt); - } - } - if (doAdd) { - if (VDBG) log("Adding " + r + " for interface " + ifaceName); - try { - if (toDefaultTable) { - synchronized (mRoutesLock) { - // only track default table - only one apps can effect - mAddedRoutes.add(r); - mNetd.addRoute(ifaceName, r); - if (exempt) { - LinkAddress dest = r.getDestination(); - if (!mExemptAddresses.contains(dest)) { - mNetd.setHostExemption(dest); - mExemptAddresses.add(dest); - } - } - } - } else { - mNetd.addSecondaryRoute(ifaceName, r); - } - } catch (Exception e) { - // never crash - catch them all - if (DBG) loge("Exception trying to add a route: " + e); - return false; - } - } else { - // if we remove this one and there are no more like it, then refcount==0 and - // we can remove it from the table - if (toDefaultTable) { - synchronized (mRoutesLock) { - mAddedRoutes.remove(r); - if (mAddedRoutes.contains(r) == false) { - if (VDBG) log("Removing " + r + " for interface " + ifaceName); - try { - mNetd.removeRoute(ifaceName, r); - LinkAddress dest = r.getDestination(); - if (mExemptAddresses.contains(dest)) { - mNetd.clearHostExemption(dest); - mExemptAddresses.remove(dest); - } - } catch (Exception e) { - // never crash - catch them all - if (VDBG) loge("Exception trying to remove a route: " + e); - return false; - } - } else { - if (VDBG) log("not removing " + r + " as it's still in use"); - } - } - } else { - if (VDBG) log("Removing " + r + " for interface " + ifaceName); - try { - mNetd.removeSecondaryRoute(ifaceName, r); - } catch (Exception e) { - // never crash - catch them all - if (VDBG) loge("Exception trying to remove a route: " + e); - return false; - } - } - } - return true; - } - - /** - * @see ConnectivityManager#getMobileDataEnabled() - */ - public boolean getMobileDataEnabled() { - // TODO: This detail should probably be in DataConnectionTracker's - // which is where we store the value and maybe make this - // asynchronous. - enforceAccessPermission(); - boolean retVal = Settings.Global.getInt(mContext.getContentResolver(), - Settings.Global.MOBILE_DATA, 1) == 1; - if (VDBG) log("getMobileDataEnabled returning " + retVal); - return retVal; - } - - public void setDataDependency(int networkType, boolean met) { - enforceConnectivityInternalPermission(); - - mHandler.sendMessage(mHandler.obtainMessage(EVENT_SET_DEPENDENCY_MET, - (met ? ENABLED : DISABLED), networkType)); - } - - private void handleSetDependencyMet(int networkType, boolean met) { - if (mNetTrackers[networkType] != null) { - if (DBG) { - log("handleSetDependencyMet(" + networkType + ", " + met + ")"); - } - mNetTrackers[networkType].setDependencyMet(met); - } - } - - private INetworkPolicyListener mPolicyListener = new INetworkPolicyListener.Stub() { - @Override - public void onUidRulesChanged(int uid, int uidRules) { - // caller is NPMS, since we only register with them - if (LOGD_RULES) { - log("onUidRulesChanged(uid=" + uid + ", uidRules=" + uidRules + ")"); - } - - synchronized (mRulesLock) { - // skip update when we've already applied rules - final int oldRules = mUidRules.get(uid, RULE_ALLOW_ALL); - if (oldRules == uidRules) return; - - mUidRules.put(uid, uidRules); - } - - // TODO: notify UID when it has requested targeted updates - } - - @Override - public void onMeteredIfacesChanged(String[] meteredIfaces) { - // caller is NPMS, since we only register with them - if (LOGD_RULES) { - log("onMeteredIfacesChanged(ifaces=" + Arrays.toString(meteredIfaces) + ")"); - } - - synchronized (mRulesLock) { - mMeteredIfaces.clear(); - for (String iface : meteredIfaces) { - mMeteredIfaces.add(iface); - } - } - } - - @Override - public void onRestrictBackgroundChanged(boolean restrictBackground) { - // caller is NPMS, since we only register with them - if (LOGD_RULES) { - log("onRestrictBackgroundChanged(restrictBackground=" + restrictBackground + ")"); - } - - // kick off connectivity change broadcast for active network, since - // global background policy change is radical. - final int networkType = mActiveDefaultNetwork; - if (isNetworkTypeValid(networkType)) { - final NetworkStateTracker tracker = mNetTrackers[networkType]; - if (tracker != null) { - final NetworkInfo info = tracker.getNetworkInfo(); - if (info != null && info.isConnected()) { - sendConnectedBroadcast(info); - } - } - } - } - }; - - /** - * @see ConnectivityManager#setMobileDataEnabled(boolean) - */ - public void setMobileDataEnabled(boolean enabled) { - enforceChangePermission(); - if (DBG) log("setMobileDataEnabled(" + enabled + ")"); - - mHandler.sendMessage(mHandler.obtainMessage(EVENT_SET_MOBILE_DATA, - (enabled ? ENABLED : DISABLED), 0)); - } - - private void handleSetMobileData(boolean enabled) { - if (mNetTrackers[ConnectivityManager.TYPE_MOBILE] != null) { - if (VDBG) { - log(mNetTrackers[ConnectivityManager.TYPE_MOBILE].toString() + enabled); - } - mNetTrackers[ConnectivityManager.TYPE_MOBILE].setUserDataEnable(enabled); - } - if (mNetTrackers[ConnectivityManager.TYPE_WIMAX] != null) { - if (VDBG) { - log(mNetTrackers[ConnectivityManager.TYPE_WIMAX].toString() + enabled); - } - mNetTrackers[ConnectivityManager.TYPE_WIMAX].setUserDataEnable(enabled); - } - } - - @Override - public void setPolicyDataEnable(int networkType, boolean enabled) { - // only someone like NPMS should only be calling us - mContext.enforceCallingOrSelfPermission(MANAGE_NETWORK_POLICY, TAG); - - mHandler.sendMessage(mHandler.obtainMessage( - EVENT_SET_POLICY_DATA_ENABLE, networkType, (enabled ? ENABLED : DISABLED))); - } - - private void handleSetPolicyDataEnable(int networkType, boolean enabled) { - if (isNetworkTypeValid(networkType)) { - final NetworkStateTracker tracker = mNetTrackers[networkType]; - if (tracker != null) { - tracker.setPolicyDataEnable(enabled); - } - } - } - - private void enforceAccessPermission() { - mContext.enforceCallingOrSelfPermission( - android.Manifest.permission.ACCESS_NETWORK_STATE, - "ConnectivityService"); - } - - private void enforceChangePermission() { - mContext.enforceCallingOrSelfPermission( - android.Manifest.permission.CHANGE_NETWORK_STATE, - "ConnectivityService"); - } - - // TODO Make this a special check when it goes public - private void enforceTetherChangePermission() { - mContext.enforceCallingOrSelfPermission( - android.Manifest.permission.CHANGE_NETWORK_STATE, - "ConnectivityService"); - } - - private void enforceTetherAccessPermission() { - mContext.enforceCallingOrSelfPermission( - android.Manifest.permission.ACCESS_NETWORK_STATE, - "ConnectivityService"); - } - - private void enforceConnectivityInternalPermission() { - mContext.enforceCallingOrSelfPermission( - android.Manifest.permission.CONNECTIVITY_INTERNAL, - "ConnectivityService"); - } - - private void enforceMarkNetworkSocketPermission() { - //Media server special case - if (Binder.getCallingUid() == Process.MEDIA_UID) { - return; - } - mContext.enforceCallingOrSelfPermission( - android.Manifest.permission.MARK_NETWORK_SOCKET, - "ConnectivityService"); - } - - /** - * Handle a {@code DISCONNECTED} event. If this pertains to the non-active - * network, we ignore it. If it is for the active network, we send out a - * broadcast. But first, we check whether it might be possible to connect - * to a different network. - * @param info the {@code NetworkInfo} for the network - */ - private void handleDisconnect(NetworkInfo info) { - - int prevNetType = info.getType(); - - mNetTrackers[prevNetType].setTeardownRequested(false); - - // Remove idletimer previously setup in {@code handleConnect} - removeDataActivityTracking(prevNetType); - - /* - * If the disconnected network is not the active one, then don't report - * this as a loss of connectivity. What probably happened is that we're - * getting the disconnect for a network that we explicitly disabled - * in accordance with network preference policies. - */ - if (!mNetConfigs[prevNetType].isDefault()) { - List<Integer> pids = mNetRequestersPids[prevNetType]; - for (Integer pid : pids) { - // will remove them because the net's no longer connected - // need to do this now as only now do we know the pids and - // can properly null things that are no longer referenced. - reassessPidDns(pid.intValue(), false); - } - } - - Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION); - intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, new NetworkInfo(info)); - intent.putExtra(ConnectivityManager.EXTRA_NETWORK_TYPE, info.getType()); - if (info.isFailover()) { - intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true); - info.setFailover(false); - } - if (info.getReason() != null) { - intent.putExtra(ConnectivityManager.EXTRA_REASON, info.getReason()); - } - if (info.getExtraInfo() != null) { - intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, - info.getExtraInfo()); - } - - if (mNetConfigs[prevNetType].isDefault()) { - tryFailover(prevNetType); - if (mActiveDefaultNetwork != -1) { - NetworkInfo switchTo = mNetTrackers[mActiveDefaultNetwork].getNetworkInfo(); - intent.putExtra(ConnectivityManager.EXTRA_OTHER_NETWORK_INFO, switchTo); - } else { - mDefaultInetConditionPublished = 0; // we're not connected anymore - intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, true); - } - } - intent.putExtra(ConnectivityManager.EXTRA_INET_CONDITION, mDefaultInetConditionPublished); - - // Reset interface if no other connections are using the same interface - boolean doReset = true; - LinkProperties linkProperties = mNetTrackers[prevNetType].getLinkProperties(); - if (linkProperties != null) { - String oldIface = linkProperties.getInterfaceName(); - if (TextUtils.isEmpty(oldIface) == false) { - for (NetworkStateTracker networkStateTracker : mNetTrackers) { - if (networkStateTracker == null) continue; - NetworkInfo networkInfo = networkStateTracker.getNetworkInfo(); - if (networkInfo.isConnected() && networkInfo.getType() != prevNetType) { - LinkProperties l = networkStateTracker.getLinkProperties(); - if (l == null) continue; - if (oldIface.equals(l.getInterfaceName())) { - doReset = false; - break; - } - } - } - } - } - - // do this before we broadcast the change - handleConnectivityChange(prevNetType, doReset); - - final Intent immediateIntent = new Intent(intent); - immediateIntent.setAction(CONNECTIVITY_ACTION_IMMEDIATE); - sendStickyBroadcast(immediateIntent); - sendStickyBroadcastDelayed(intent, getConnectivityChangeDelay()); - /* - * If the failover network is already connected, then immediately send - * out a followup broadcast indicating successful failover - */ - if (mActiveDefaultNetwork != -1) { - sendConnectedBroadcastDelayed(mNetTrackers[mActiveDefaultNetwork].getNetworkInfo(), - getConnectivityChangeDelay()); - } - } - - private void tryFailover(int prevNetType) { - /* - * If this is a default network, check if other defaults are available. - * Try to reconnect on all available and let them hash it out when - * more than one connects. - */ - if (mNetConfigs[prevNetType].isDefault()) { - if (mActiveDefaultNetwork == prevNetType) { - if (DBG) { - log("tryFailover: set mActiveDefaultNetwork=-1, prevNetType=" + prevNetType); - } - mActiveDefaultNetwork = -1; - } - - // don't signal a reconnect for anything lower or equal priority than our - // current connected default - // TODO - don't filter by priority now - nice optimization but risky -// int currentPriority = -1; -// if (mActiveDefaultNetwork != -1) { -// currentPriority = mNetConfigs[mActiveDefaultNetwork].mPriority; -// } - - for (int checkType=0; checkType <= ConnectivityManager.MAX_NETWORK_TYPE; checkType++) { - if (checkType == prevNetType) continue; - if (mNetConfigs[checkType] == null) continue; - if (!mNetConfigs[checkType].isDefault()) continue; - if (mNetTrackers[checkType] == null) continue; - -// Enabling the isAvailable() optimization caused mobile to not get -// selected if it was in the middle of error handling. Specifically -// a moble connection that took 30 seconds to complete the DEACTIVATE_DATA_CALL -// would not be available and we wouldn't get connected to anything. -// So removing the isAvailable() optimization below for now. TODO: This -// optimization should work and we need to investigate why it doesn't work. -// This could be related to how DEACTIVATE_DATA_CALL is reporting its -// complete before it is really complete. - -// if (!mNetTrackers[checkType].isAvailable()) continue; - -// if (currentPriority >= mNetConfigs[checkType].mPriority) continue; - - NetworkStateTracker checkTracker = mNetTrackers[checkType]; - NetworkInfo checkInfo = checkTracker.getNetworkInfo(); - if (!checkInfo.isConnectedOrConnecting() || checkTracker.isTeardownRequested()) { - checkInfo.setFailover(true); - checkTracker.reconnect(); - } - if (DBG) log("Attempting to switch to " + checkInfo.getTypeName()); - } - } - } - - public void sendConnectedBroadcast(NetworkInfo info) { - enforceConnectivityInternalPermission(); - sendGeneralBroadcast(info, CONNECTIVITY_ACTION_IMMEDIATE); - sendGeneralBroadcast(info, CONNECTIVITY_ACTION); - } - - private void sendConnectedBroadcastDelayed(NetworkInfo info, int delayMs) { - sendGeneralBroadcast(info, CONNECTIVITY_ACTION_IMMEDIATE); - sendGeneralBroadcastDelayed(info, CONNECTIVITY_ACTION, delayMs); - } - - private void sendInetConditionBroadcast(NetworkInfo info) { - sendGeneralBroadcast(info, ConnectivityManager.INET_CONDITION_ACTION); - } - - private Intent makeGeneralIntent(NetworkInfo info, String bcastType) { - if (mLockdownTracker != null) { - info = mLockdownTracker.augmentNetworkInfo(info); - } - - Intent intent = new Intent(bcastType); - intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, new NetworkInfo(info)); - intent.putExtra(ConnectivityManager.EXTRA_NETWORK_TYPE, info.getType()); - if (info.isFailover()) { - intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true); - info.setFailover(false); - } - if (info.getReason() != null) { - intent.putExtra(ConnectivityManager.EXTRA_REASON, info.getReason()); - } - if (info.getExtraInfo() != null) { - intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, - info.getExtraInfo()); - } - intent.putExtra(ConnectivityManager.EXTRA_INET_CONDITION, mDefaultInetConditionPublished); - return intent; - } - - private void sendGeneralBroadcast(NetworkInfo info, String bcastType) { - sendStickyBroadcast(makeGeneralIntent(info, bcastType)); - } - - private void sendGeneralBroadcastDelayed(NetworkInfo info, String bcastType, int delayMs) { - sendStickyBroadcastDelayed(makeGeneralIntent(info, bcastType), delayMs); - } - - private void sendDataActivityBroadcast(int deviceType, boolean active) { - Intent intent = new Intent(ConnectivityManager.ACTION_DATA_ACTIVITY_CHANGE); - intent.putExtra(ConnectivityManager.EXTRA_DEVICE_TYPE, deviceType); - intent.putExtra(ConnectivityManager.EXTRA_IS_ACTIVE, active); - final long ident = Binder.clearCallingIdentity(); - try { - mContext.sendOrderedBroadcastAsUser(intent, UserHandle.ALL, - RECEIVE_DATA_ACTIVITY_CHANGE, null, null, 0, null, null); - } finally { - Binder.restoreCallingIdentity(ident); - } - } - - /** - * Called when an attempt to fail over to another network has failed. - * @param info the {@link NetworkInfo} for the failed network - */ - private void handleConnectionFailure(NetworkInfo info) { - mNetTrackers[info.getType()].setTeardownRequested(false); - - String reason = info.getReason(); - String extraInfo = info.getExtraInfo(); - - String reasonText; - if (reason == null) { - reasonText = "."; - } else { - reasonText = " (" + reason + ")."; - } - loge("Attempt to connect to " + info.getTypeName() + " failed" + reasonText); - - Intent intent = new Intent(ConnectivityManager.CONNECTIVITY_ACTION); - intent.putExtra(ConnectivityManager.EXTRA_NETWORK_INFO, new NetworkInfo(info)); - intent.putExtra(ConnectivityManager.EXTRA_NETWORK_TYPE, info.getType()); - if (getActiveNetworkInfo() == null) { - intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, true); - } - if (reason != null) { - intent.putExtra(ConnectivityManager.EXTRA_REASON, reason); - } - if (extraInfo != null) { - intent.putExtra(ConnectivityManager.EXTRA_EXTRA_INFO, extraInfo); - } - if (info.isFailover()) { - intent.putExtra(ConnectivityManager.EXTRA_IS_FAILOVER, true); - info.setFailover(false); - } - - if (mNetConfigs[info.getType()].isDefault()) { - tryFailover(info.getType()); - if (mActiveDefaultNetwork != -1) { - NetworkInfo switchTo = mNetTrackers[mActiveDefaultNetwork].getNetworkInfo(); - intent.putExtra(ConnectivityManager.EXTRA_OTHER_NETWORK_INFO, switchTo); - } else { - mDefaultInetConditionPublished = 0; - intent.putExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, true); - } - } - - intent.putExtra(ConnectivityManager.EXTRA_INET_CONDITION, mDefaultInetConditionPublished); - - final Intent immediateIntent = new Intent(intent); - immediateIntent.setAction(CONNECTIVITY_ACTION_IMMEDIATE); - sendStickyBroadcast(immediateIntent); - sendStickyBroadcast(intent); - /* - * If the failover network is already connected, then immediately send - * out a followup broadcast indicating successful failover - */ - if (mActiveDefaultNetwork != -1) { - sendConnectedBroadcast(mNetTrackers[mActiveDefaultNetwork].getNetworkInfo()); - } - } - - private void sendStickyBroadcast(Intent intent) { - synchronized(this) { - if (!mSystemReady) { - mInitialBroadcast = new Intent(intent); - } - intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); - if (VDBG) { - log("sendStickyBroadcast: action=" + intent.getAction()); - } - - final long ident = Binder.clearCallingIdentity(); - try { - mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL); - } finally { - Binder.restoreCallingIdentity(ident); - } - } - } - - private void sendStickyBroadcastDelayed(Intent intent, int delayMs) { - if (delayMs <= 0) { - sendStickyBroadcast(intent); - } else { - if (VDBG) { - log("sendStickyBroadcastDelayed: delayMs=" + delayMs + ", action=" - + intent.getAction()); - } - mHandler.sendMessageDelayed(mHandler.obtainMessage( - EVENT_SEND_STICKY_BROADCAST_INTENT, intent), delayMs); - } - } - - void systemReady() { - mCaptivePortalTracker = CaptivePortalTracker.makeCaptivePortalTracker(mContext, this); - loadGlobalProxy(); - - synchronized(this) { - mSystemReady = true; - if (mInitialBroadcast != null) { - mContext.sendStickyBroadcastAsUser(mInitialBroadcast, UserHandle.ALL); - mInitialBroadcast = null; - } - } - // load the global proxy at startup - mHandler.sendMessage(mHandler.obtainMessage(EVENT_APPLY_GLOBAL_HTTP_PROXY)); - - // Try bringing up tracker, but if KeyStore isn't ready yet, wait - // for user to unlock device. - if (!updateLockdownVpn()) { - final IntentFilter filter = new IntentFilter(Intent.ACTION_USER_PRESENT); - mContext.registerReceiver(mUserPresentReceiver, filter); - } - } - - private BroadcastReceiver mUserPresentReceiver = new BroadcastReceiver() { - @Override - public void onReceive(Context context, Intent intent) { - // Try creating lockdown tracker, since user present usually means - // unlocked keystore. - if (updateLockdownVpn()) { - mContext.unregisterReceiver(this); - } - } - }; - - private boolean isNewNetTypePreferredOverCurrentNetType(int type) { - if (((type != mNetworkPreference) - && (mNetConfigs[mActiveDefaultNetwork].priority > mNetConfigs[type].priority)) - || (mNetworkPreference == mActiveDefaultNetwork)) { - return false; - } - return true; - } - - private void handleConnect(NetworkInfo info) { - final int newNetType = info.getType(); - - setupDataActivityTracking(newNetType); - - // snapshot isFailover, because sendConnectedBroadcast() resets it - boolean isFailover = info.isFailover(); - final NetworkStateTracker thisNet = mNetTrackers[newNetType]; - final String thisIface = thisNet.getLinkProperties().getInterfaceName(); - - if (VDBG) { - log("handleConnect: E newNetType=" + newNetType + " thisIface=" + thisIface - + " isFailover" + isFailover); - } - - // if this is a default net and other default is running - // kill the one not preferred - if (mNetConfigs[newNetType].isDefault()) { - if (mActiveDefaultNetwork != -1 && mActiveDefaultNetwork != newNetType) { - if (isNewNetTypePreferredOverCurrentNetType(newNetType)) { - // tear down the other - NetworkStateTracker otherNet = - mNetTrackers[mActiveDefaultNetwork]; - if (DBG) { - log("Policy requires " + otherNet.getNetworkInfo().getTypeName() + - " teardown"); - } - if (!teardown(otherNet)) { - loge("Network declined teardown request"); - teardown(thisNet); - return; - } - } else { - // don't accept this one - if (VDBG) { - log("Not broadcasting CONNECT_ACTION " + - "to torn down network " + info.getTypeName()); - } - teardown(thisNet); - return; - } - } - synchronized (ConnectivityService.this) { - // have a new default network, release the transition wakelock in a second - // if it's held. The second pause is to allow apps to reconnect over the - // new network - if (mNetTransitionWakeLock.isHeld()) { - mHandler.sendMessageDelayed(mHandler.obtainMessage( - EVENT_CLEAR_NET_TRANSITION_WAKELOCK, - mNetTransitionWakeLockSerialNumber, 0), - 1000); - } - } - mActiveDefaultNetwork = newNetType; - // this will cause us to come up initially as unconnected and switching - // to connected after our normal pause unless somebody reports us as reall - // disconnected - mDefaultInetConditionPublished = 0; - mDefaultConnectionSequence++; - mInetConditionChangeInFlight = false; - // Don't do this - if we never sign in stay, grey - //reportNetworkCondition(mActiveDefaultNetwork, 100); - updateNetworkSettings(thisNet); - } - thisNet.setTeardownRequested(false); - updateMtuSizeSettings(thisNet); - handleConnectivityChange(newNetType, false); - sendConnectedBroadcastDelayed(info, getConnectivityChangeDelay()); - - // notify battery stats service about this network - if (thisIface != null) { - try { - BatteryStatsService.getService().noteNetworkInterfaceType(thisIface, newNetType); - } catch (RemoteException e) { - // ignored; service lives in system_server - } - } - } - - private void handleCaptivePortalTrackerCheck(NetworkInfo info) { - if (DBG) log("Captive portal check " + info); - int type = info.getType(); - final NetworkStateTracker thisNet = mNetTrackers[type]; - if (mNetConfigs[type].isDefault()) { - if (mActiveDefaultNetwork != -1 && mActiveDefaultNetwork != type) { - if (isNewNetTypePreferredOverCurrentNetType(type)) { - if (DBG) log("Captive check on " + info.getTypeName()); - mCaptivePortalTracker.detectCaptivePortal(new NetworkInfo(info)); - return; - } else { - if (DBG) log("Tear down low priority net " + info.getTypeName()); - teardown(thisNet); - return; - } - } - } - - if (DBG) log("handleCaptivePortalTrackerCheck: call captivePortalCheckComplete ni=" + info); - thisNet.captivePortalCheckComplete(); - } - - /** @hide */ - @Override - public void captivePortalCheckComplete(NetworkInfo info) { - enforceConnectivityInternalPermission(); - if (DBG) log("captivePortalCheckComplete: ni=" + info); - mNetTrackers[info.getType()].captivePortalCheckComplete(); - } - - /** @hide */ - @Override - public void captivePortalCheckCompleted(NetworkInfo info, boolean isCaptivePortal) { - enforceConnectivityInternalPermission(); - if (DBG) log("captivePortalCheckCompleted: ni=" + info + " captive=" + isCaptivePortal); - mNetTrackers[info.getType()].captivePortalCheckCompleted(isCaptivePortal); - } - - /** - * Setup data activity tracking for the given network interface. - * - * Every {@code setupDataActivityTracking} should be paired with a - * {@link removeDataActivityTracking} for cleanup. - */ - private void setupDataActivityTracking(int type) { - final NetworkStateTracker thisNet = mNetTrackers[type]; - final String iface = thisNet.getLinkProperties().getInterfaceName(); - - final int timeout; - - if (ConnectivityManager.isNetworkTypeMobile(type)) { - timeout = Settings.Global.getInt(mContext.getContentResolver(), - Settings.Global.DATA_ACTIVITY_TIMEOUT_MOBILE, - 0); - // Canonicalize mobile network type - type = ConnectivityManager.TYPE_MOBILE; - } else if (ConnectivityManager.TYPE_WIFI == type) { - timeout = Settings.Global.getInt(mContext.getContentResolver(), - Settings.Global.DATA_ACTIVITY_TIMEOUT_WIFI, - 0); - } else { - // do not track any other networks - timeout = 0; - } - - if (timeout > 0 && iface != null) { - try { - mNetd.addIdleTimer(iface, timeout, Integer.toString(type)); - } catch (RemoteException e) { - } - } - } - - /** - * Remove data activity tracking when network disconnects. - */ - private void removeDataActivityTracking(int type) { - final NetworkStateTracker net = mNetTrackers[type]; - final String iface = net.getLinkProperties().getInterfaceName(); - - if (iface != null && (ConnectivityManager.isNetworkTypeMobile(type) || - ConnectivityManager.TYPE_WIFI == type)) { - try { - // the call fails silently if no idletimer setup for this interface - mNetd.removeIdleTimer(iface); - } catch (RemoteException e) { - } - } - } - - /** - * After a change in the connectivity state of a network. We're mainly - * concerned with making sure that the list of DNS servers is set up - * according to which networks are connected, and ensuring that the - * right routing table entries exist. - */ - private void handleConnectivityChange(int netType, boolean doReset) { - int resetMask = doReset ? NetworkUtils.RESET_ALL_ADDRESSES : 0; - boolean exempt = ConnectivityManager.isNetworkTypeExempt(netType); - if (VDBG) { - log("handleConnectivityChange: netType=" + netType + " doReset=" + doReset - + " resetMask=" + resetMask); - } - - /* - * If a non-default network is enabled, add the host routes that - * will allow it's DNS servers to be accessed. - */ - handleDnsConfigurationChange(netType); - - LinkProperties curLp = mCurrentLinkProperties[netType]; - LinkProperties newLp = null; - - if (mNetTrackers[netType].getNetworkInfo().isConnected()) { - newLp = mNetTrackers[netType].getLinkProperties(); - if (VDBG) { - log("handleConnectivityChange: changed linkProperty[" + netType + "]:" + - " doReset=" + doReset + " resetMask=" + resetMask + - "\n curLp=" + curLp + - "\n newLp=" + newLp); - } - - if (curLp != null) { - if (curLp.isIdenticalInterfaceName(newLp)) { - CompareResult<LinkAddress> car = curLp.compareAddresses(newLp); - if ((car.removed.size() != 0) || (car.added.size() != 0)) { - for (LinkAddress linkAddr : car.removed) { - if (linkAddr.getAddress() instanceof Inet4Address) { - resetMask |= NetworkUtils.RESET_IPV4_ADDRESSES; - } - if (linkAddr.getAddress() instanceof Inet6Address) { - resetMask |= NetworkUtils.RESET_IPV6_ADDRESSES; - } - } - if (DBG) { - log("handleConnectivityChange: addresses changed" + - " linkProperty[" + netType + "]:" + " resetMask=" + resetMask + - "\n car=" + car); - } - } else { - if (DBG) { - log("handleConnectivityChange: address are the same reset per doReset" + - " linkProperty[" + netType + "]:" + - " resetMask=" + resetMask); - } - } - } else { - resetMask = NetworkUtils.RESET_ALL_ADDRESSES; - if (DBG) { - log("handleConnectivityChange: interface not not equivalent reset both" + - " linkProperty[" + netType + "]:" + - " resetMask=" + resetMask); - } - } - } - if (mNetConfigs[netType].isDefault()) { - handleApplyDefaultProxy(newLp.getHttpProxy()); - } - } else { - if (VDBG) { - log("handleConnectivityChange: changed linkProperty[" + netType + "]:" + - " doReset=" + doReset + " resetMask=" + resetMask + - "\n curLp=" + curLp + - "\n newLp= null"); - } - } - mCurrentLinkProperties[netType] = newLp; - boolean resetDns = updateRoutes(newLp, curLp, mNetConfigs[netType].isDefault(), exempt); - - if (resetMask != 0 || resetDns) { - if (VDBG) log("handleConnectivityChange: resetting"); - if (curLp != null) { - if (VDBG) log("handleConnectivityChange: resetting curLp=" + curLp); - for (String iface : curLp.getAllInterfaceNames()) { - if (TextUtils.isEmpty(iface) == false) { - if (resetMask != 0) { - if (DBG) log("resetConnections(" + iface + ", " + resetMask + ")"); - NetworkUtils.resetConnections(iface, resetMask); - - // Tell VPN the interface is down. It is a temporary - // but effective fix to make VPN aware of the change. - if ((resetMask & NetworkUtils.RESET_IPV4_ADDRESSES) != 0) { - synchronized(mVpns) { - for (int i = 0; i < mVpns.size(); i++) { - mVpns.valueAt(i).interfaceStatusChanged(iface, false); - } - } - } - } - if (resetDns) { - flushVmDnsCache(); - if (VDBG) log("resetting DNS cache for " + iface); - try { - mNetd.flushInterfaceDnsCache(iface); - } catch (Exception e) { - // never crash - catch them all - if (DBG) loge("Exception resetting dns cache: " + e); - } - } - } else { - loge("Can't reset connection for type "+netType); - } - } - } - } - - // Update 464xlat state. - NetworkStateTracker tracker = mNetTrackers[netType]; - if (mClat.requiresClat(netType, tracker)) { - - // If the connection was previously using clat, but is not using it now, stop the clat - // daemon. Normally, this happens automatically when the connection disconnects, but if - // the disconnect is not reported, or if the connection's LinkProperties changed for - // some other reason (e.g., handoff changes the IP addresses on the link), it would - // still be running. If it's not running, then stopping it is a no-op. - if (Nat464Xlat.isRunningClat(curLp) && !Nat464Xlat.isRunningClat(newLp)) { - mClat.stopClat(); - } - // If the link requires clat to be running, then start the daemon now. - if (mNetTrackers[netType].getNetworkInfo().isConnected()) { - mClat.startClat(tracker); - } else { - mClat.stopClat(); - } - } - - // TODO: Temporary notifying upstread change to Tethering. - // @see bug/4455071 - /** Notify TetheringService if interface name has been changed. */ - if (TextUtils.equals(mNetTrackers[netType].getNetworkInfo().getReason(), - PhoneConstants.REASON_LINK_PROPERTIES_CHANGED)) { - if (isTetheringSupported()) { - mTethering.handleTetherIfaceChange(); - } - } - } - - /** - * Add and remove routes using the old properties (null if not previously connected), - * new properties (null if becoming disconnected). May even be double null, which - * is a noop. - * Uses isLinkDefault to determine if default routes should be set or conversely if - * host routes should be set to the dns servers - * returns a boolean indicating the routes changed - */ - private boolean updateRoutes(LinkProperties newLp, LinkProperties curLp, - boolean isLinkDefault, boolean exempt) { - Collection<RouteInfo> routesToAdd = null; - CompareResult<InetAddress> dnsDiff = new CompareResult<InetAddress>(); - CompareResult<RouteInfo> routeDiff = new CompareResult<RouteInfo>(); - if (curLp != null) { - // check for the delta between the current set and the new - routeDiff = curLp.compareAllRoutes(newLp); - dnsDiff = curLp.compareDnses(newLp); - } else if (newLp != null) { - routeDiff.added = newLp.getAllRoutes(); - dnsDiff.added = newLp.getDnses(); - } - - boolean routesChanged = (routeDiff.removed.size() != 0 || routeDiff.added.size() != 0); - - for (RouteInfo r : routeDiff.removed) { - if (isLinkDefault || ! r.isDefaultRoute()) { - if (VDBG) log("updateRoutes: default remove route r=" + r); - removeRoute(curLp, r, TO_DEFAULT_TABLE); - } - if (isLinkDefault == false) { - // remove from a secondary route table - removeRoute(curLp, r, TO_SECONDARY_TABLE); - } - } - - if (!isLinkDefault) { - // handle DNS routes - if (routesChanged) { - // routes changed - remove all old dns entries and add new - if (curLp != null) { - for (InetAddress oldDns : curLp.getDnses()) { - removeRouteToAddress(curLp, oldDns); - } - } - if (newLp != null) { - for (InetAddress newDns : newLp.getDnses()) { - addRouteToAddress(newLp, newDns, exempt); - } - } - } else { - // no change in routes, check for change in dns themselves - for (InetAddress oldDns : dnsDiff.removed) { - removeRouteToAddress(curLp, oldDns); - } - for (InetAddress newDns : dnsDiff.added) { - addRouteToAddress(newLp, newDns, exempt); - } - } - } - - for (RouteInfo r : routeDiff.added) { - if (isLinkDefault || ! r.isDefaultRoute()) { - addRoute(newLp, r, TO_DEFAULT_TABLE, exempt); - } else { - // add to a secondary route table - addRoute(newLp, r, TO_SECONDARY_TABLE, UNEXEMPT); - - // many radios add a default route even when we don't want one. - // remove the default route unless somebody else has asked for it - String ifaceName = newLp.getInterfaceName(); - synchronized (mRoutesLock) { - if (!TextUtils.isEmpty(ifaceName) && !mAddedRoutes.contains(r)) { - if (VDBG) log("Removing " + r + " for interface " + ifaceName); - try { - mNetd.removeRoute(ifaceName, r); - } catch (Exception e) { - // never crash - catch them all - if (DBG) loge("Exception trying to remove a route: " + e); - } - } - } - } - } - - return routesChanged; - } - - /** - * Reads the network specific MTU size from reources. - * and set it on it's iface. - */ - private void updateMtuSizeSettings(NetworkStateTracker nt) { - final String iface = nt.getLinkProperties().getInterfaceName(); - final int mtu = nt.getLinkProperties().getMtu(); - - if (mtu < 68 || mtu > 10000) { - loge("Unexpected mtu value: " + nt); - return; - } - - try { - if (VDBG) log("Setting MTU size: " + iface + ", " + mtu); - mNetd.setMtu(iface, mtu); - } catch (Exception e) { - Slog.e(TAG, "exception in setMtu()" + e); - } - } - - /** - * Reads the network specific TCP buffer sizes from SystemProperties - * net.tcp.buffersize.[default|wifi|umts|edge|gprs] and set them for system - * wide use - */ - private void updateNetworkSettings(NetworkStateTracker nt) { - String key = nt.getTcpBufferSizesPropName(); - String bufferSizes = key == null ? null : SystemProperties.get(key); - - if (TextUtils.isEmpty(bufferSizes)) { - if (VDBG) log(key + " not found in system properties. Using defaults"); - - // Setting to default values so we won't be stuck to previous values - key = "net.tcp.buffersize.default"; - bufferSizes = SystemProperties.get(key); - } - - // Set values in kernel - if (bufferSizes.length() != 0) { - if (VDBG) { - log("Setting TCP values: [" + bufferSizes - + "] which comes from [" + key + "]"); - } - setBufferSize(bufferSizes); - } - - final String defaultRwndKey = "net.tcp.default_init_rwnd"; - int defaultRwndValue = SystemProperties.getInt(defaultRwndKey, 0); - Integer rwndValue = Settings.Global.getInt(mContext.getContentResolver(), - Settings.Global.TCP_DEFAULT_INIT_RWND, defaultRwndValue); - final String sysctlKey = "sys.sysctl.tcp_def_init_rwnd"; - if (rwndValue != 0) { - SystemProperties.set(sysctlKey, rwndValue.toString()); - } - } - - /** - * Writes TCP buffer sizes to /sys/kernel/ipv4/tcp_[r/w]mem_[min/def/max] - * which maps to /proc/sys/net/ipv4/tcp_rmem and tcpwmem - * - * @param bufferSizes in the format of "readMin, readInitial, readMax, - * writeMin, writeInitial, writeMax" - */ - private void setBufferSize(String bufferSizes) { - try { - String[] values = bufferSizes.split(","); - - if (values.length == 6) { - final String prefix = "/sys/kernel/ipv4/tcp_"; - FileUtils.stringToFile(prefix + "rmem_min", values[0]); - FileUtils.stringToFile(prefix + "rmem_def", values[1]); - FileUtils.stringToFile(prefix + "rmem_max", values[2]); - FileUtils.stringToFile(prefix + "wmem_min", values[3]); - FileUtils.stringToFile(prefix + "wmem_def", values[4]); - FileUtils.stringToFile(prefix + "wmem_max", values[5]); - } else { - loge("Invalid buffersize string: " + bufferSizes); - } - } catch (IOException e) { - loge("Can't set tcp buffer sizes:" + e); - } - } - - /** - * Adjust the per-process dns entries (net.dns<x>.<pid>) based - * on the highest priority active net which this process requested. - * If there aren't any, clear it out - */ - private void reassessPidDns(int pid, boolean doBump) - { - if (VDBG) log("reassessPidDns for pid " + pid); - Integer myPid = new Integer(pid); - for(int i : mPriorityList) { - if (mNetConfigs[i].isDefault()) { - continue; - } - NetworkStateTracker nt = mNetTrackers[i]; - if (nt.getNetworkInfo().isConnected() && - !nt.isTeardownRequested()) { - LinkProperties p = nt.getLinkProperties(); - if (p == null) continue; - if (mNetRequestersPids[i].contains(myPid)) { - try { - mNetd.setDnsInterfaceForPid(p.getInterfaceName(), pid); - } catch (Exception e) { - Slog.e(TAG, "exception reasseses pid dns: " + e); - } - return; - } - } - } - // nothing found - delete - try { - mNetd.clearDnsInterfaceForPid(pid); - } catch (Exception e) { - Slog.e(TAG, "exception clear interface from pid: " + e); - } - } - - private void flushVmDnsCache() { - /* - * Tell the VMs to toss their DNS caches - */ - Intent intent = new Intent(Intent.ACTION_CLEAR_DNS_CACHE); - intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING); - /* - * Connectivity events can happen before boot has completed ... - */ - intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); - final long ident = Binder.clearCallingIdentity(); - try { - mContext.sendBroadcastAsUser(intent, UserHandle.ALL); - } finally { - Binder.restoreCallingIdentity(ident); - } - } - - // Caller must grab mDnsLock. - private void updateDnsLocked(String network, String iface, - Collection<InetAddress> dnses, String domains, boolean defaultDns) { - int last = 0; - if (dnses.size() == 0 && mDefaultDns != null) { - dnses = new ArrayList(); - dnses.add(mDefaultDns); - if (DBG) { - loge("no dns provided for " + network + " - using " + mDefaultDns.getHostAddress()); - } - } - - try { - mNetd.setDnsServersForInterface(iface, NetworkUtils.makeStrings(dnses), domains); - if (defaultDns) { - mNetd.setDefaultInterfaceForDns(iface); - } - - for (InetAddress dns : dnses) { - ++last; - String key = "net.dns" + last; - String value = dns.getHostAddress(); - SystemProperties.set(key, value); - } - for (int i = last + 1; i <= mNumDnsEntries; ++i) { - String key = "net.dns" + i; - SystemProperties.set(key, ""); - } - mNumDnsEntries = last; - } catch (Exception e) { - loge("exception setting default dns interface: " + e); - } - } - - private void handleDnsConfigurationChange(int netType) { - // add default net's dns entries - NetworkStateTracker nt = mNetTrackers[netType]; - if (nt != null && nt.getNetworkInfo().isConnected() && !nt.isTeardownRequested()) { - LinkProperties p = nt.getLinkProperties(); - if (p == null) return; - Collection<InetAddress> dnses = p.getDnses(); - if (mNetConfigs[netType].isDefault()) { - String network = nt.getNetworkInfo().getTypeName(); - synchronized (mDnsLock) { - updateDnsLocked(network, p.getInterfaceName(), dnses, p.getDomains(), true); - } - } else { - try { - mNetd.setDnsServersForInterface(p.getInterfaceName(), - NetworkUtils.makeStrings(dnses), p.getDomains()); - } catch (Exception e) { - if (DBG) loge("exception setting dns servers: " + e); - } - // set per-pid dns for attached secondary nets - List<Integer> pids = mNetRequestersPids[netType]; - for (Integer pid : pids) { - try { - mNetd.setDnsInterfaceForPid(p.getInterfaceName(), pid); - } catch (Exception e) { - Slog.e(TAG, "exception setting interface for pid: " + e); - } - } - } - flushVmDnsCache(); - } - } - - private int getRestoreDefaultNetworkDelay(int networkType) { - String restoreDefaultNetworkDelayStr = SystemProperties.get( - NETWORK_RESTORE_DELAY_PROP_NAME); - if(restoreDefaultNetworkDelayStr != null && - restoreDefaultNetworkDelayStr.length() != 0) { - try { - return Integer.valueOf(restoreDefaultNetworkDelayStr); - } catch (NumberFormatException e) { - } - } - // if the system property isn't set, use the value for the apn type - int ret = RESTORE_DEFAULT_NETWORK_DELAY; - - if ((networkType <= ConnectivityManager.MAX_NETWORK_TYPE) && - (mNetConfigs[networkType] != null)) { - ret = mNetConfigs[networkType].restoreTime; - } - return ret; - } - - @Override - protected void dump(FileDescriptor fd, PrintWriter writer, String[] args) { - final IndentingPrintWriter pw = new IndentingPrintWriter(writer, " "); - if (mContext.checkCallingOrSelfPermission( - android.Manifest.permission.DUMP) - != PackageManager.PERMISSION_GRANTED) { - pw.println("Permission Denial: can't dump ConnectivityService " + - "from from pid=" + Binder.getCallingPid() + ", uid=" + - Binder.getCallingUid()); - return; - } - - // TODO: add locking to get atomic snapshot - pw.println(); - for (int i = 0; i < mNetTrackers.length; i++) { - final NetworkStateTracker nst = mNetTrackers[i]; - if (nst != null) { - pw.println("NetworkStateTracker for " + getNetworkTypeName(i) + ":"); - pw.increaseIndent(); - if (nst.getNetworkInfo().isConnected()) { - pw.println("Active network: " + nst.getNetworkInfo(). - getTypeName()); - } - pw.println(nst.getNetworkInfo()); - pw.println(nst.getLinkProperties()); - pw.println(nst); - pw.println(); - pw.decreaseIndent(); - } - } - - pw.println("Network Requester Pids:"); - pw.increaseIndent(); - for (int net : mPriorityList) { - String pidString = net + ": "; - for (Integer pid : mNetRequestersPids[net]) { - pidString = pidString + pid.toString() + ", "; - } - pw.println(pidString); - } - pw.println(); - pw.decreaseIndent(); - - pw.println("FeatureUsers:"); - pw.increaseIndent(); - for (Object requester : mFeatureUsers) { - pw.println(requester.toString()); - } - pw.println(); - pw.decreaseIndent(); - - synchronized (this) { - pw.println("NetworkTranstionWakeLock is currently " + - (mNetTransitionWakeLock.isHeld() ? "" : "not ") + "held."); - pw.println("It was last requested for "+mNetTransitionWakeLockCausedBy); - } - pw.println(); - - mTethering.dump(fd, pw, args); - - if (mInetLog != null) { - pw.println(); - pw.println("Inet condition reports:"); - pw.increaseIndent(); - for(int i = 0; i < mInetLog.size(); i++) { - pw.println(mInetLog.get(i)); - } - pw.decreaseIndent(); - } - } - - // must be stateless - things change under us. - private class NetworkStateTrackerHandler extends Handler { - public NetworkStateTrackerHandler(Looper looper) { - super(looper); - } - - @Override - public void handleMessage(Message msg) { - NetworkInfo info; - switch (msg.what) { - case NetworkStateTracker.EVENT_STATE_CHANGED: { - info = (NetworkInfo) msg.obj; - NetworkInfo.State state = info.getState(); - - if (VDBG || (state == NetworkInfo.State.CONNECTED) || - (state == NetworkInfo.State.DISCONNECTED) || - (state == NetworkInfo.State.SUSPENDED)) { - log("ConnectivityChange for " + - info.getTypeName() + ": " + - state + "/" + info.getDetailedState()); - } - - // Since mobile has the notion of a network/apn that can be used for - // provisioning we need to check every time we're connected as - // CaptiveProtalTracker won't detected it because DCT doesn't report it - // as connected as ACTION_ANY_DATA_CONNECTION_STATE_CHANGED instead its - // reported as ACTION_DATA_CONNECTION_CONNECTED_TO_PROVISIONING_APN. Which - // is received by MDST and sent here as EVENT_STATE_CHANGED. - if (ConnectivityManager.isNetworkTypeMobile(info.getType()) - && (0 != Settings.Global.getInt(mContext.getContentResolver(), - Settings.Global.DEVICE_PROVISIONED, 0)) - && (((state == NetworkInfo.State.CONNECTED) - && (info.getType() == ConnectivityManager.TYPE_MOBILE)) - || info.isConnectedToProvisioningNetwork())) { - log("ConnectivityChange checkMobileProvisioning for" - + " TYPE_MOBILE or ProvisioningNetwork"); - checkMobileProvisioning(CheckMp.MAX_TIMEOUT_MS); - } - - EventLogTags.writeConnectivityStateChanged( - info.getType(), info.getSubtype(), info.getDetailedState().ordinal()); - - if (info.getDetailedState() == - NetworkInfo.DetailedState.FAILED) { - handleConnectionFailure(info); - } else if (info.getDetailedState() == - DetailedState.CAPTIVE_PORTAL_CHECK) { - handleCaptivePortalTrackerCheck(info); - } else if (info.isConnectedToProvisioningNetwork()) { - /** - * TODO: Create ConnectivityManager.TYPE_MOBILE_PROVISIONING - * for now its an in between network, its a network that - * is actually a default network but we don't want it to be - * announced as such to keep background applications from - * trying to use it. It turns out that some still try so we - * take the additional step of clearing any default routes - * to the link that may have incorrectly setup by the lower - * levels. - */ - LinkProperties lp = getLinkProperties(info.getType()); - if (DBG) { - log("EVENT_STATE_CHANGED: connected to provisioning network, lp=" + lp); - } - - // Clear any default routes setup by the radio so - // any activity by applications trying to use this - // connection will fail until the provisioning network - // is enabled. - for (RouteInfo r : lp.getRoutes()) { - removeRoute(lp, r, TO_DEFAULT_TABLE); - } - } else if (state == NetworkInfo.State.DISCONNECTED) { - handleDisconnect(info); - } else if (state == NetworkInfo.State.SUSPENDED) { - // TODO: need to think this over. - // the logic here is, handle SUSPENDED the same as - // DISCONNECTED. The only difference being we are - // broadcasting an intent with NetworkInfo that's - // suspended. This allows the applications an - // opportunity to handle DISCONNECTED and SUSPENDED - // differently, or not. - handleDisconnect(info); - } else if (state == NetworkInfo.State.CONNECTED) { - handleConnect(info); - } - if (mLockdownTracker != null) { - mLockdownTracker.onNetworkInfoChanged(info); - } - break; - } - case NetworkStateTracker.EVENT_CONFIGURATION_CHANGED: { - info = (NetworkInfo) msg.obj; - // TODO: Temporary allowing network configuration - // change not resetting sockets. - // @see bug/4455071 - handleConnectivityChange(info.getType(), false); - break; - } - case NetworkStateTracker.EVENT_NETWORK_SUBTYPE_CHANGED: { - info = (NetworkInfo) msg.obj; - int type = info.getType(); - if (mNetConfigs[type].isDefault()) updateNetworkSettings(mNetTrackers[type]); - break; - } - } - } - } - - private class InternalHandler extends Handler { - public InternalHandler(Looper looper) { - super(looper); - } - - @Override - public void handleMessage(Message msg) { - NetworkInfo info; - switch (msg.what) { - case EVENT_CLEAR_NET_TRANSITION_WAKELOCK: { - String causedBy = null; - synchronized (ConnectivityService.this) { - if (msg.arg1 == mNetTransitionWakeLockSerialNumber && - mNetTransitionWakeLock.isHeld()) { - mNetTransitionWakeLock.release(); - causedBy = mNetTransitionWakeLockCausedBy; - } - } - if (causedBy != null) { - log("NetTransition Wakelock for " + causedBy + " released by timeout"); - } - break; - } - case EVENT_RESTORE_DEFAULT_NETWORK: { - FeatureUser u = (FeatureUser)msg.obj; - u.expire(); - break; - } - case EVENT_INET_CONDITION_CHANGE: { - int netType = msg.arg1; - int condition = msg.arg2; - handleInetConditionChange(netType, condition); - break; - } - case EVENT_INET_CONDITION_HOLD_END: { - int netType = msg.arg1; - int sequence = msg.arg2; - handleInetConditionHoldEnd(netType, sequence); - break; - } - case EVENT_SET_NETWORK_PREFERENCE: { - int preference = msg.arg1; - handleSetNetworkPreference(preference); - break; - } - case EVENT_SET_MOBILE_DATA: { - boolean enabled = (msg.arg1 == ENABLED); - handleSetMobileData(enabled); - break; - } - case EVENT_APPLY_GLOBAL_HTTP_PROXY: { - handleDeprecatedGlobalHttpProxy(); - break; - } - case EVENT_SET_DEPENDENCY_MET: { - boolean met = (msg.arg1 == ENABLED); - handleSetDependencyMet(msg.arg2, met); - break; - } - case EVENT_SEND_STICKY_BROADCAST_INTENT: { - Intent intent = (Intent)msg.obj; - sendStickyBroadcast(intent); - break; - } - case EVENT_SET_POLICY_DATA_ENABLE: { - final int networkType = msg.arg1; - final boolean enabled = msg.arg2 == ENABLED; - handleSetPolicyDataEnable(networkType, enabled); - break; - } - case EVENT_VPN_STATE_CHANGED: { - if (mLockdownTracker != null) { - mLockdownTracker.onVpnStateChanged((NetworkInfo) msg.obj); - } - break; - } - case EVENT_ENABLE_FAIL_FAST_MOBILE_DATA: { - int tag = mEnableFailFastMobileDataTag.get(); - if (msg.arg1 == tag) { - MobileDataStateTracker mobileDst = - (MobileDataStateTracker) mNetTrackers[ConnectivityManager.TYPE_MOBILE]; - if (mobileDst != null) { - mobileDst.setEnableFailFastMobileData(msg.arg2); - } - } else { - log("EVENT_ENABLE_FAIL_FAST_MOBILE_DATA: stale arg1:" + msg.arg1 - + " != tag:" + tag); - } - break; - } - case EVENT_SAMPLE_INTERVAL_ELAPSED: { - handleNetworkSamplingTimeout(); - break; - } - case EVENT_PROXY_HAS_CHANGED: { - handleApplyDefaultProxy((ProxyProperties)msg.obj); - break; - } - } - } - } - - // javadoc from interface - public int tether(String iface) { - enforceTetherChangePermission(); - - if (isTetheringSupported()) { - return mTethering.tether(iface); - } else { - return ConnectivityManager.TETHER_ERROR_UNSUPPORTED; - } - } - - // javadoc from interface - public int untether(String iface) { - enforceTetherChangePermission(); - - if (isTetheringSupported()) { - return mTethering.untether(iface); - } else { - return ConnectivityManager.TETHER_ERROR_UNSUPPORTED; - } - } - - // javadoc from interface - public int getLastTetherError(String iface) { - enforceTetherAccessPermission(); - - if (isTetheringSupported()) { - return mTethering.getLastTetherError(iface); - } else { - return ConnectivityManager.TETHER_ERROR_UNSUPPORTED; - } - } - - // TODO - proper iface API for selection by property, inspection, etc - public String[] getTetherableUsbRegexs() { - enforceTetherAccessPermission(); - if (isTetheringSupported()) { - return mTethering.getTetherableUsbRegexs(); - } else { - return new String[0]; - } - } - - public String[] getTetherableWifiRegexs() { - enforceTetherAccessPermission(); - if (isTetheringSupported()) { - return mTethering.getTetherableWifiRegexs(); - } else { - return new String[0]; - } - } - - public String[] getTetherableBluetoothRegexs() { - enforceTetherAccessPermission(); - if (isTetheringSupported()) { - return mTethering.getTetherableBluetoothRegexs(); - } else { - return new String[0]; - } - } - - public int setUsbTethering(boolean enable) { - enforceTetherChangePermission(); - if (isTetheringSupported()) { - return mTethering.setUsbTethering(enable); - } else { - return ConnectivityManager.TETHER_ERROR_UNSUPPORTED; - } - } - - // TODO - move iface listing, queries, etc to new module - // javadoc from interface - public String[] getTetherableIfaces() { - enforceTetherAccessPermission(); - return mTethering.getTetherableIfaces(); - } - - public String[] getTetheredIfaces() { - enforceTetherAccessPermission(); - return mTethering.getTetheredIfaces(); - } - - public String[] getTetheringErroredIfaces() { - enforceTetherAccessPermission(); - return mTethering.getErroredIfaces(); - } - - // if ro.tether.denied = true we default to no tethering - // gservices could set the secure setting to 1 though to enable it on a build where it - // had previously been turned off. - public boolean isTetheringSupported() { - enforceTetherAccessPermission(); - int defaultVal = (SystemProperties.get("ro.tether.denied").equals("true") ? 0 : 1); - boolean tetherEnabledInSettings = (Settings.Global.getInt(mContext.getContentResolver(), - Settings.Global.TETHER_SUPPORTED, defaultVal) != 0); - return tetherEnabledInSettings && ((mTethering.getTetherableUsbRegexs().length != 0 || - mTethering.getTetherableWifiRegexs().length != 0 || - mTethering.getTetherableBluetoothRegexs().length != 0) && - mTethering.getUpstreamIfaceTypes().length != 0); - } - - // An API NetworkStateTrackers can call when they lose their network. - // This will automatically be cleared after X seconds or a network becomes CONNECTED, - // whichever happens first. The timer is started by the first caller and not - // restarted by subsequent callers. - public void requestNetworkTransitionWakelock(String forWhom) { - enforceConnectivityInternalPermission(); - synchronized (this) { - if (mNetTransitionWakeLock.isHeld()) return; - mNetTransitionWakeLockSerialNumber++; - mNetTransitionWakeLock.acquire(); - mNetTransitionWakeLockCausedBy = forWhom; - } - mHandler.sendMessageDelayed(mHandler.obtainMessage( - EVENT_CLEAR_NET_TRANSITION_WAKELOCK, - mNetTransitionWakeLockSerialNumber, 0), - mNetTransitionWakeLockTimeout); - return; - } - - // 100 percent is full good, 0 is full bad. - public void reportInetCondition(int networkType, int percentage) { - if (VDBG) log("reportNetworkCondition(" + networkType + ", " + percentage + ")"); - mContext.enforceCallingOrSelfPermission( - android.Manifest.permission.STATUS_BAR, - "ConnectivityService"); - - if (DBG) { - int pid = getCallingPid(); - int uid = getCallingUid(); - String s = pid + "(" + uid + ") reports inet is " + - (percentage > 50 ? "connected" : "disconnected") + " (" + percentage + ") on " + - "network Type " + networkType + " at " + GregorianCalendar.getInstance().getTime(); - mInetLog.add(s); - while(mInetLog.size() > INET_CONDITION_LOG_MAX_SIZE) { - mInetLog.remove(0); - } - } - mHandler.sendMessage(mHandler.obtainMessage( - EVENT_INET_CONDITION_CHANGE, networkType, percentage)); - } - - private void handleInetConditionChange(int netType, int condition) { - if (mActiveDefaultNetwork == -1) { - if (DBG) log("handleInetConditionChange: no active default network - ignore"); - return; - } - if (mActiveDefaultNetwork != netType) { - if (DBG) log("handleInetConditionChange: net=" + netType + - " != default=" + mActiveDefaultNetwork + " - ignore"); - return; - } - if (VDBG) { - log("handleInetConditionChange: net=" + - netType + ", condition=" + condition + - ",mActiveDefaultNetwork=" + mActiveDefaultNetwork); - } - mDefaultInetCondition = condition; - int delay; - if (mInetConditionChangeInFlight == false) { - if (VDBG) log("handleInetConditionChange: starting a change hold"); - // setup a new hold to debounce this - if (mDefaultInetCondition > 50) { - delay = Settings.Global.getInt(mContext.getContentResolver(), - Settings.Global.INET_CONDITION_DEBOUNCE_UP_DELAY, 500); - } else { - delay = Settings.Global.getInt(mContext.getContentResolver(), - Settings.Global.INET_CONDITION_DEBOUNCE_DOWN_DELAY, 3000); - } - mInetConditionChangeInFlight = true; - mHandler.sendMessageDelayed(mHandler.obtainMessage(EVENT_INET_CONDITION_HOLD_END, - mActiveDefaultNetwork, mDefaultConnectionSequence), delay); - } else { - // we've set the new condition, when this hold ends that will get picked up - if (VDBG) log("handleInetConditionChange: currently in hold - not setting new end evt"); - } - } - - private void handleInetConditionHoldEnd(int netType, int sequence) { - if (DBG) { - log("handleInetConditionHoldEnd: net=" + netType + - ", condition=" + mDefaultInetCondition + - ", published condition=" + mDefaultInetConditionPublished); - } - mInetConditionChangeInFlight = false; - - if (mActiveDefaultNetwork == -1) { - if (DBG) log("handleInetConditionHoldEnd: no active default network - ignoring"); - return; - } - if (mDefaultConnectionSequence != sequence) { - if (DBG) log("handleInetConditionHoldEnd: event hold for obsolete network - ignoring"); - return; - } - // TODO: Figure out why this optimization sometimes causes a - // change in mDefaultInetCondition to be missed and the - // UI to not be updated. - //if (mDefaultInetConditionPublished == mDefaultInetCondition) { - // if (DBG) log("no change in condition - aborting"); - // return; - //} - NetworkInfo networkInfo = mNetTrackers[mActiveDefaultNetwork].getNetworkInfo(); - if (networkInfo.isConnected() == false) { - if (DBG) log("handleInetConditionHoldEnd: default network not connected - ignoring"); - return; - } - mDefaultInetConditionPublished = mDefaultInetCondition; - sendInetConditionBroadcast(networkInfo); - return; - } - - public ProxyProperties getProxy() { - // this information is already available as a world read/writable jvm property - // so this API change wouldn't have a benifit. It also breaks the passing - // of proxy info to all the JVMs. - // enforceAccessPermission(); - synchronized (mProxyLock) { - ProxyProperties ret = mGlobalProxy; - if ((ret == null) && !mDefaultProxyDisabled) ret = mDefaultProxy; - return ret; - } - } - - public void setGlobalProxy(ProxyProperties proxyProperties) { - enforceConnectivityInternalPermission(); - - synchronized (mProxyLock) { - if (proxyProperties == mGlobalProxy) return; - if (proxyProperties != null && proxyProperties.equals(mGlobalProxy)) return; - if (mGlobalProxy != null && mGlobalProxy.equals(proxyProperties)) return; - - String host = ""; - int port = 0; - String exclList = ""; - String pacFileUrl = ""; - if (proxyProperties != null && (!TextUtils.isEmpty(proxyProperties.getHost()) || - !TextUtils.isEmpty(proxyProperties.getPacFileUrl()))) { - if (!proxyProperties.isValid()) { - if (DBG) - log("Invalid proxy properties, ignoring: " + proxyProperties.toString()); - return; - } - mGlobalProxy = new ProxyProperties(proxyProperties); - host = mGlobalProxy.getHost(); - port = mGlobalProxy.getPort(); - exclList = mGlobalProxy.getExclusionList(); - if (proxyProperties.getPacFileUrl() != null) { - pacFileUrl = proxyProperties.getPacFileUrl(); - } - } else { - mGlobalProxy = null; - } - ContentResolver res = mContext.getContentResolver(); - final long token = Binder.clearCallingIdentity(); - try { - Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_HOST, host); - Settings.Global.putInt(res, Settings.Global.GLOBAL_HTTP_PROXY_PORT, port); - Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST, - exclList); - Settings.Global.putString(res, Settings.Global.GLOBAL_HTTP_PROXY_PAC, pacFileUrl); - } finally { - Binder.restoreCallingIdentity(token); - } - } - - if (mGlobalProxy == null) { - proxyProperties = mDefaultProxy; - } - sendProxyBroadcast(proxyProperties); - } - - private void loadGlobalProxy() { - ContentResolver res = mContext.getContentResolver(); - String host = Settings.Global.getString(res, Settings.Global.GLOBAL_HTTP_PROXY_HOST); - int port = Settings.Global.getInt(res, Settings.Global.GLOBAL_HTTP_PROXY_PORT, 0); - String exclList = Settings.Global.getString(res, - Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST); - String pacFileUrl = Settings.Global.getString(res, Settings.Global.GLOBAL_HTTP_PROXY_PAC); - if (!TextUtils.isEmpty(host) || !TextUtils.isEmpty(pacFileUrl)) { - ProxyProperties proxyProperties; - if (!TextUtils.isEmpty(pacFileUrl)) { - proxyProperties = new ProxyProperties(pacFileUrl); - } else { - proxyProperties = new ProxyProperties(host, port, exclList); - } - if (!proxyProperties.isValid()) { - if (DBG) log("Invalid proxy properties, ignoring: " + proxyProperties.toString()); - return; - } - - synchronized (mProxyLock) { - mGlobalProxy = proxyProperties; - } - } - } - - public ProxyProperties getGlobalProxy() { - // this information is already available as a world read/writable jvm property - // so this API change wouldn't have a benifit. It also breaks the passing - // of proxy info to all the JVMs. - // enforceAccessPermission(); - synchronized (mProxyLock) { - return mGlobalProxy; - } - } - - private void handleApplyDefaultProxy(ProxyProperties proxy) { - if (proxy != null && TextUtils.isEmpty(proxy.getHost()) - && TextUtils.isEmpty(proxy.getPacFileUrl())) { - proxy = null; - } - synchronized (mProxyLock) { - if (mDefaultProxy != null && mDefaultProxy.equals(proxy)) return; - if (mDefaultProxy == proxy) return; // catches repeated nulls - if (proxy != null && !proxy.isValid()) { - if (DBG) log("Invalid proxy properties, ignoring: " + proxy.toString()); - return; - } - mDefaultProxy = proxy; - - if (mGlobalProxy != null) return; - if (!mDefaultProxyDisabled) { - sendProxyBroadcast(proxy); - } - } - } - - private void handleDeprecatedGlobalHttpProxy() { - String proxy = Settings.Global.getString(mContext.getContentResolver(), - Settings.Global.HTTP_PROXY); - if (!TextUtils.isEmpty(proxy)) { - String data[] = proxy.split(":"); - if (data.length == 0) { - return; - } - - String proxyHost = data[0]; - int proxyPort = 8080; - if (data.length > 1) { - try { - proxyPort = Integer.parseInt(data[1]); - } catch (NumberFormatException e) { - return; - } - } - ProxyProperties p = new ProxyProperties(data[0], proxyPort, ""); - setGlobalProxy(p); - } - } - - private void sendProxyBroadcast(ProxyProperties proxy) { - if (proxy == null) proxy = new ProxyProperties("", 0, ""); - if (mPacManager.setCurrentProxyScriptUrl(proxy)) return; - if (DBG) log("sending Proxy Broadcast for " + proxy); - Intent intent = new Intent(Proxy.PROXY_CHANGE_ACTION); - intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING | - Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); - intent.putExtra(Proxy.EXTRA_PROXY_INFO, proxy); - final long ident = Binder.clearCallingIdentity(); - try { - mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL); - } finally { - Binder.restoreCallingIdentity(ident); - } - } - - private static class SettingsObserver extends ContentObserver { - private int mWhat; - private Handler mHandler; - SettingsObserver(Handler handler, int what) { - super(handler); - mHandler = handler; - mWhat = what; - } - - void observe(Context context) { - ContentResolver resolver = context.getContentResolver(); - resolver.registerContentObserver(Settings.Global.getUriFor( - Settings.Global.HTTP_PROXY), false, this); - } - - @Override - public void onChange(boolean selfChange) { - mHandler.obtainMessage(mWhat).sendToTarget(); - } - } - - private static void log(String s) { - Slog.d(TAG, s); - } - - private static void loge(String s) { - Slog.e(TAG, s); - } - - int convertFeatureToNetworkType(int networkType, String feature) { - int usedNetworkType = networkType; - - if(networkType == ConnectivityManager.TYPE_MOBILE) { - if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_MMS)) { - usedNetworkType = ConnectivityManager.TYPE_MOBILE_MMS; - } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_SUPL)) { - usedNetworkType = ConnectivityManager.TYPE_MOBILE_SUPL; - } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_DUN) || - TextUtils.equals(feature, Phone.FEATURE_ENABLE_DUN_ALWAYS)) { - usedNetworkType = ConnectivityManager.TYPE_MOBILE_DUN; - } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_HIPRI)) { - usedNetworkType = ConnectivityManager.TYPE_MOBILE_HIPRI; - } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_FOTA)) { - usedNetworkType = ConnectivityManager.TYPE_MOBILE_FOTA; - } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_IMS)) { - usedNetworkType = ConnectivityManager.TYPE_MOBILE_IMS; - } else if (TextUtils.equals(feature, Phone.FEATURE_ENABLE_CBS)) { - usedNetworkType = ConnectivityManager.TYPE_MOBILE_CBS; - } else { - Slog.e(TAG, "Can't match any mobile netTracker!"); - } - } else if (networkType == ConnectivityManager.TYPE_WIFI) { - if (TextUtils.equals(feature, "p2p")) { - usedNetworkType = ConnectivityManager.TYPE_WIFI_P2P; - } else { - Slog.e(TAG, "Can't match any wifi netTracker!"); - } - } else { - Slog.e(TAG, "Unexpected network type"); - } - return usedNetworkType; - } - - private static <T> T checkNotNull(T value, String message) { - if (value == null) { - throw new NullPointerException(message); - } - return value; - } - - /** - * Protect a socket from VPN routing rules. This method is used by - * VpnBuilder and not available in ConnectivityManager. Permissions - * are checked in Vpn class. - * @hide - */ - @Override - public boolean protectVpn(ParcelFileDescriptor socket) { - throwIfLockdownEnabled(); - try { - int type = mActiveDefaultNetwork; - int user = UserHandle.getUserId(Binder.getCallingUid()); - if (ConnectivityManager.isNetworkTypeValid(type) && mNetTrackers[type] != null) { - synchronized(mVpns) { - mVpns.get(user).protect(socket); - } - return true; - } - } catch (Exception e) { - // ignore - } finally { - try { - socket.close(); - } catch (Exception e) { - // ignore - } - } - return false; - } - - /** - * Prepare for a VPN application. This method is used by VpnDialogs - * and not available in ConnectivityManager. Permissions are checked - * in Vpn class. - * @hide - */ - @Override - public boolean prepareVpn(String oldPackage, String newPackage) { - throwIfLockdownEnabled(); - int user = UserHandle.getUserId(Binder.getCallingUid()); - synchronized(mVpns) { - return mVpns.get(user).prepare(oldPackage, newPackage); - } - } - - @Override - public void markSocketAsUser(ParcelFileDescriptor socket, int uid) { - enforceMarkNetworkSocketPermission(); - final long token = Binder.clearCallingIdentity(); - try { - int mark = mNetd.getMarkForUid(uid); - // Clear the mark on the socket if no mark is needed to prevent socket reuse issues - if (mark == -1) { - mark = 0; - } - NetworkUtils.markSocket(socket.getFd(), mark); - } catch (RemoteException e) { - } finally { - Binder.restoreCallingIdentity(token); - } - } - - /** - * Configure a TUN interface and return its file descriptor. Parameters - * are encoded and opaque to this class. This method is used by VpnBuilder - * and not available in ConnectivityManager. Permissions are checked in - * Vpn class. - * @hide - */ - @Override - public ParcelFileDescriptor establishVpn(VpnConfig config) { - throwIfLockdownEnabled(); - int user = UserHandle.getUserId(Binder.getCallingUid()); - synchronized(mVpns) { - return mVpns.get(user).establish(config); - } - } - - /** - * Start legacy VPN, controlling native daemons as needed. Creates a - * secondary thread to perform connection work, returning quickly. - */ - @Override - public void startLegacyVpn(VpnProfile profile) { - throwIfLockdownEnabled(); - final LinkProperties egress = getActiveLinkProperties(); - if (egress == null) { - throw new IllegalStateException("Missing active network connection"); - } - int user = UserHandle.getUserId(Binder.getCallingUid()); - synchronized(mVpns) { - mVpns.get(user).startLegacyVpn(profile, mKeyStore, egress); - } - } - - /** - * Return the information of the ongoing legacy VPN. This method is used - * by VpnSettings and not available in ConnectivityManager. Permissions - * are checked in Vpn class. - * @hide - */ - @Override - public LegacyVpnInfo getLegacyVpnInfo() { - throwIfLockdownEnabled(); - int user = UserHandle.getUserId(Binder.getCallingUid()); - synchronized(mVpns) { - return mVpns.get(user).getLegacyVpnInfo(); - } - } - - /** - * Returns the information of the ongoing VPN. This method is used by VpnDialogs and - * not available in ConnectivityManager. - * Permissions are checked in Vpn class. - * @hide - */ - @Override - public VpnConfig getVpnConfig() { - int user = UserHandle.getUserId(Binder.getCallingUid()); - synchronized(mVpns) { - return mVpns.get(user).getVpnConfig(); - } - } - - /** - * Callback for VPN subsystem. Currently VPN is not adapted to the service - * through NetworkStateTracker since it works differently. For example, it - * needs to override DNS servers but never takes the default routes. It - * relies on another data network, and it could keep existing connections - * alive after reconnecting, switching between networks, or even resuming - * from deep sleep. Calls from applications should be done synchronously - * to avoid race conditions. As these are all hidden APIs, refactoring can - * be done whenever a better abstraction is developed. - */ - public class VpnCallback { - private VpnCallback() { - } - - public void onStateChanged(NetworkInfo info) { - mHandler.obtainMessage(EVENT_VPN_STATE_CHANGED, info).sendToTarget(); - } - - public void override(String iface, List<String> dnsServers, List<String> searchDomains) { - if (dnsServers == null) { - restore(); - return; - } - - // Convert DNS servers into addresses. - List<InetAddress> addresses = new ArrayList<InetAddress>(); - for (String address : dnsServers) { - // Double check the addresses and remove invalid ones. - try { - addresses.add(InetAddress.parseNumericAddress(address)); - } catch (Exception e) { - // ignore - } - } - if (addresses.isEmpty()) { - restore(); - return; - } - - // Concatenate search domains into a string. - StringBuilder buffer = new StringBuilder(); - if (searchDomains != null) { - for (String domain : searchDomains) { - buffer.append(domain).append(' '); - } - } - String domains = buffer.toString().trim(); - - // Apply DNS changes. - synchronized (mDnsLock) { - updateDnsLocked("VPN", iface, addresses, domains, false); - } - - // Temporarily disable the default proxy (not global). - synchronized (mProxyLock) { - mDefaultProxyDisabled = true; - if (mGlobalProxy == null && mDefaultProxy != null) { - sendProxyBroadcast(null); - } - } - - // TODO: support proxy per network. - } - - public void restore() { - synchronized (mProxyLock) { - mDefaultProxyDisabled = false; - if (mGlobalProxy == null && mDefaultProxy != null) { - sendProxyBroadcast(mDefaultProxy); - } - } - } - - public void protect(ParcelFileDescriptor socket) { - try { - final int mark = mNetd.getMarkForProtect(); - NetworkUtils.markSocket(socket.getFd(), mark); - } catch (RemoteException e) { - } - } - - public void setRoutes(String interfaze, List<RouteInfo> routes) { - for (RouteInfo route : routes) { - try { - mNetd.setMarkedForwardingRoute(interfaze, route); - } catch (RemoteException e) { - } - } - } - - public void setMarkedForwarding(String interfaze) { - try { - mNetd.setMarkedForwarding(interfaze); - } catch (RemoteException e) { - } - } - - public void clearMarkedForwarding(String interfaze) { - try { - mNetd.clearMarkedForwarding(interfaze); - } catch (RemoteException e) { - } - } - - public void addUserForwarding(String interfaze, int uid, boolean forwardDns) { - int uidStart = uid * UserHandle.PER_USER_RANGE; - int uidEnd = uidStart + UserHandle.PER_USER_RANGE - 1; - addUidForwarding(interfaze, uidStart, uidEnd, forwardDns); - } - - public void clearUserForwarding(String interfaze, int uid, boolean forwardDns) { - int uidStart = uid * UserHandle.PER_USER_RANGE; - int uidEnd = uidStart + UserHandle.PER_USER_RANGE - 1; - clearUidForwarding(interfaze, uidStart, uidEnd, forwardDns); - } - - public void addUidForwarding(String interfaze, int uidStart, int uidEnd, - boolean forwardDns) { - try { - mNetd.setUidRangeRoute(interfaze,uidStart, uidEnd); - if (forwardDns) mNetd.setDnsInterfaceForUidRange(interfaze, uidStart, uidEnd); - } catch (RemoteException e) { - } - - } - - public void clearUidForwarding(String interfaze, int uidStart, int uidEnd, - boolean forwardDns) { - try { - mNetd.clearUidRangeRoute(interfaze, uidStart, uidEnd); - if (forwardDns) mNetd.clearDnsInterfaceForUidRange(interfaze, uidStart, uidEnd); - } catch (RemoteException e) { - } - - } - } - - @Override - public boolean updateLockdownVpn() { - if (Binder.getCallingUid() != Process.SYSTEM_UID) { - Slog.w(TAG, "Lockdown VPN only available to AID_SYSTEM"); - return false; - } - - // Tear down existing lockdown if profile was removed - mLockdownEnabled = LockdownVpnTracker.isEnabled(); - if (mLockdownEnabled) { - if (!mKeyStore.isUnlocked()) { - Slog.w(TAG, "KeyStore locked; unable to create LockdownTracker"); - return false; - } - - final String profileName = new String(mKeyStore.get(Credentials.LOCKDOWN_VPN)); - final VpnProfile profile = VpnProfile.decode( - profileName, mKeyStore.get(Credentials.VPN + profileName)); - int user = UserHandle.getUserId(Binder.getCallingUid()); - synchronized(mVpns) { - setLockdownTracker(new LockdownVpnTracker(mContext, mNetd, this, mVpns.get(user), - profile)); - } - } else { - setLockdownTracker(null); - } - - return true; - } - - /** - * Internally set new {@link LockdownVpnTracker}, shutting down any existing - * {@link LockdownVpnTracker}. Can be {@code null} to disable lockdown. - */ - private void setLockdownTracker(LockdownVpnTracker tracker) { - // Shutdown any existing tracker - final LockdownVpnTracker existing = mLockdownTracker; - mLockdownTracker = null; - if (existing != null) { - existing.shutdown(); - } - - try { - if (tracker != null) { - mNetd.setFirewallEnabled(true); - mNetd.setFirewallInterfaceRule("lo", true); - mLockdownTracker = tracker; - mLockdownTracker.init(); - } else { - mNetd.setFirewallEnabled(false); - } - } catch (RemoteException e) { - // ignored; NMS lives inside system_server - } - } - - private void throwIfLockdownEnabled() { - if (mLockdownEnabled) { - throw new IllegalStateException("Unavailable in lockdown mode"); - } - } - - public void supplyMessenger(int networkType, Messenger messenger) { - enforceConnectivityInternalPermission(); - - if (isNetworkTypeValid(networkType) && mNetTrackers[networkType] != null) { - mNetTrackers[networkType].supplyMessenger(messenger); - } - } - - public int findConnectionTypeForIface(String iface) { - enforceConnectivityInternalPermission(); - - if (TextUtils.isEmpty(iface)) return ConnectivityManager.TYPE_NONE; - for (NetworkStateTracker tracker : mNetTrackers) { - if (tracker != null) { - LinkProperties lp = tracker.getLinkProperties(); - if (lp != null && iface.equals(lp.getInterfaceName())) { - return tracker.getNetworkInfo().getType(); - } - } - } - return ConnectivityManager.TYPE_NONE; - } - - /** - * Have mobile data fail fast if enabled. - * - * @param enabled DctConstants.ENABLED/DISABLED - */ - private void setEnableFailFastMobileData(int enabled) { - int tag; - - if (enabled == DctConstants.ENABLED) { - tag = mEnableFailFastMobileDataTag.incrementAndGet(); - } else { - tag = mEnableFailFastMobileDataTag.get(); - } - mHandler.sendMessage(mHandler.obtainMessage(EVENT_ENABLE_FAIL_FAST_MOBILE_DATA, tag, - enabled)); - } - - private boolean isMobileDataStateTrackerReady() { - MobileDataStateTracker mdst = - (MobileDataStateTracker) mNetTrackers[ConnectivityManager.TYPE_MOBILE_HIPRI]; - return (mdst != null) && (mdst.isReady()); - } - - /** - * The ResultReceiver resultCode for checkMobileProvisioning (CMP_RESULT_CODE) - */ - - /** - * No connection was possible to the network. - * This is NOT a warm sim. - */ - private static final int CMP_RESULT_CODE_NO_CONNECTION = 0; - - /** - * A connection was made to the internet, all is well. - * This is NOT a warm sim. - */ - private static final int CMP_RESULT_CODE_CONNECTABLE = 1; - - /** - * A connection was made but no dns server was available to resolve a name to address. - * This is NOT a warm sim since provisioning network is supported. - */ - private static final int CMP_RESULT_CODE_NO_DNS = 2; - - /** - * A connection was made but could not open a TCP connection. - * This is NOT a warm sim since provisioning network is supported. - */ - private static final int CMP_RESULT_CODE_NO_TCP_CONNECTION = 3; - - /** - * A connection was made but there was a redirection, we appear to be in walled garden. - * This is an indication of a warm sim on a mobile network such as T-Mobile. - */ - private static final int CMP_RESULT_CODE_REDIRECTED = 4; - - /** - * The mobile network is a provisioning network. - * This is an indication of a warm sim on a mobile network such as AT&T. - */ - private static final int CMP_RESULT_CODE_PROVISIONING_NETWORK = 5; - - /** - * The mobile network is provisioning - */ - private static final int CMP_RESULT_CODE_IS_PROVISIONING = 6; - - private AtomicBoolean mIsProvisioningNetwork = new AtomicBoolean(false); - private AtomicBoolean mIsStartingProvisioning = new AtomicBoolean(false); - - private AtomicBoolean mIsCheckingMobileProvisioning = new AtomicBoolean(false); - - @Override - public int checkMobileProvisioning(int suggestedTimeOutMs) { - int timeOutMs = -1; - if (DBG) log("checkMobileProvisioning: E suggestedTimeOutMs=" + suggestedTimeOutMs); - enforceConnectivityInternalPermission(); - - final long token = Binder.clearCallingIdentity(); - try { - timeOutMs = suggestedTimeOutMs; - if (suggestedTimeOutMs > CheckMp.MAX_TIMEOUT_MS) { - timeOutMs = CheckMp.MAX_TIMEOUT_MS; - } - - // Check that mobile networks are supported - if (!isNetworkSupported(ConnectivityManager.TYPE_MOBILE) - || !isNetworkSupported(ConnectivityManager.TYPE_MOBILE_HIPRI)) { - if (DBG) log("checkMobileProvisioning: X no mobile network"); - return timeOutMs; - } - - // If we're already checking don't do it again - // TODO: Add a queue of results... - if (mIsCheckingMobileProvisioning.getAndSet(true)) { - if (DBG) log("checkMobileProvisioning: X already checking ignore for the moment"); - return timeOutMs; - } - - // Start off with mobile notification off - setProvNotificationVisible(false, ConnectivityManager.TYPE_MOBILE_HIPRI, null, null); - - CheckMp checkMp = new CheckMp(mContext, this); - CheckMp.CallBack cb = new CheckMp.CallBack() { - @Override - void onComplete(Integer result) { - if (DBG) log("CheckMp.onComplete: result=" + result); - NetworkInfo ni = - mNetTrackers[ConnectivityManager.TYPE_MOBILE_HIPRI].getNetworkInfo(); - switch(result) { - case CMP_RESULT_CODE_CONNECTABLE: - case CMP_RESULT_CODE_NO_CONNECTION: - case CMP_RESULT_CODE_NO_DNS: - case CMP_RESULT_CODE_NO_TCP_CONNECTION: { - if (DBG) log("CheckMp.onComplete: ignore, connected or no connection"); - break; - } - case CMP_RESULT_CODE_REDIRECTED: { - if (DBG) log("CheckMp.onComplete: warm sim"); - String url = getMobileProvisioningUrl(); - if (TextUtils.isEmpty(url)) { - url = getMobileRedirectedProvisioningUrl(); - } - if (TextUtils.isEmpty(url) == false) { - if (DBG) log("CheckMp.onComplete: warm (redirected), url=" + url); - setProvNotificationVisible(true, - ConnectivityManager.TYPE_MOBILE_HIPRI, ni.getExtraInfo(), - url); - } else { - if (DBG) log("CheckMp.onComplete: warm (redirected), no url"); - } - break; - } - case CMP_RESULT_CODE_PROVISIONING_NETWORK: { - String url = getMobileProvisioningUrl(); - if (TextUtils.isEmpty(url) == false) { - if (DBG) log("CheckMp.onComplete: warm (no dns/tcp), url=" + url); - setProvNotificationVisible(true, - ConnectivityManager.TYPE_MOBILE_HIPRI, ni.getExtraInfo(), - url); - // Mark that we've got a provisioning network and - // Disable Mobile Data until user actually starts provisioning. - mIsProvisioningNetwork.set(true); - MobileDataStateTracker mdst = (MobileDataStateTracker) - mNetTrackers[ConnectivityManager.TYPE_MOBILE]; - mdst.setInternalDataEnable(false); - } else { - if (DBG) log("CheckMp.onComplete: warm (no dns/tcp), no url"); - } - break; - } - case CMP_RESULT_CODE_IS_PROVISIONING: { - // FIXME: Need to know when provisioning is done. Probably we can - // check the completion status if successful we're done if we - // "timedout" or still connected to provisioning APN turn off data? - if (DBG) log("CheckMp.onComplete: provisioning started"); - mIsStartingProvisioning.set(false); - break; - } - default: { - loge("CheckMp.onComplete: ignore unexpected result=" + result); - break; - } - } - mIsCheckingMobileProvisioning.set(false); - } - }; - CheckMp.Params params = - new CheckMp.Params(checkMp.getDefaultUrl(), timeOutMs, cb); - if (DBG) log("checkMobileProvisioning: params=" + params); - checkMp.execute(params); - } finally { - Binder.restoreCallingIdentity(token); - if (DBG) log("checkMobileProvisioning: X"); - } - return timeOutMs; - } - - static class CheckMp extends - AsyncTask<CheckMp.Params, Void, Integer> { - private static final String CHECKMP_TAG = "CheckMp"; - - // adb shell setprop persist.checkmp.testfailures 1 to enable testing failures - private static boolean mTestingFailures; - - // Choosing 4 loops as half of them will use HTTPS and the other half HTTP - private static final int MAX_LOOPS = 4; - - // Number of milli-seconds to complete all of the retires - public static final int MAX_TIMEOUT_MS = 60000; - - // The socket should retry only 5 seconds, the default is longer - private static final int SOCKET_TIMEOUT_MS = 5000; - - // Sleep time for network errors - private static final int NET_ERROR_SLEEP_SEC = 3; - - // Sleep time for network route establishment - private static final int NET_ROUTE_ESTABLISHMENT_SLEEP_SEC = 3; - - // Short sleep time for polling :( - private static final int POLLING_SLEEP_SEC = 1; - - private Context mContext; - private ConnectivityService mCs; - private TelephonyManager mTm; - private Params mParams; - - /** - * Parameters for AsyncTask.execute - */ - static class Params { - private String mUrl; - private long mTimeOutMs; - private CallBack mCb; - - Params(String url, long timeOutMs, CallBack cb) { - mUrl = url; - mTimeOutMs = timeOutMs; - mCb = cb; - } - - @Override - public String toString() { - return "{" + " url=" + mUrl + " mTimeOutMs=" + mTimeOutMs + " mCb=" + mCb + "}"; - } - } - - // As explained to me by Brian Carlstrom and Kenny Root, Certificates can be - // issued by name or ip address, for Google its by name so when we construct - // this HostnameVerifier we'll pass the original Uri and use it to verify - // the host. If the host name in the original uril fails we'll test the - // hostname parameter just incase things change. - static class CheckMpHostnameVerifier implements HostnameVerifier { - Uri mOrgUri; - - CheckMpHostnameVerifier(Uri orgUri) { - mOrgUri = orgUri; - } - - @Override - public boolean verify(String hostname, SSLSession session) { - HostnameVerifier hv = HttpsURLConnection.getDefaultHostnameVerifier(); - String orgUriHost = mOrgUri.getHost(); - boolean retVal = hv.verify(orgUriHost, session) || hv.verify(hostname, session); - if (DBG) { - log("isMobileOk: hostnameVerify retVal=" + retVal + " hostname=" + hostname - + " orgUriHost=" + orgUriHost); - } - return retVal; - } - } - - /** - * The call back object passed in Params. onComplete will be called - * on the main thread. - */ - abstract static class CallBack { - // Called on the main thread. - abstract void onComplete(Integer result); - } - - public CheckMp(Context context, ConnectivityService cs) { - if (Build.IS_DEBUGGABLE) { - mTestingFailures = - SystemProperties.getInt("persist.checkmp.testfailures", 0) == 1; - } else { - mTestingFailures = false; - } - - mContext = context; - mCs = cs; - - // Setup access to TelephonyService we'll be using. - mTm = (TelephonyManager) mContext.getSystemService( - Context.TELEPHONY_SERVICE); - } - - /** - * Get the default url to use for the test. - */ - public String getDefaultUrl() { - // See http://go/clientsdns for usage approval - String server = Settings.Global.getString(mContext.getContentResolver(), - Settings.Global.CAPTIVE_PORTAL_SERVER); - if (server == null) { - server = "clients3.google.com"; - } - return "http://" + server + "/generate_204"; - } - - /** - * Detect if its possible to connect to the http url. DNS based detection techniques - * do not work at all hotspots. The best way to check is to perform a request to - * a known address that fetches the data we expect. - */ - private synchronized Integer isMobileOk(Params params) { - Integer result = CMP_RESULT_CODE_NO_CONNECTION; - Uri orgUri = Uri.parse(params.mUrl); - Random rand = new Random(); - mParams = params; - - if (mCs.isNetworkSupported(ConnectivityManager.TYPE_MOBILE) == false) { - result = CMP_RESULT_CODE_NO_CONNECTION; - log("isMobileOk: X not mobile capable result=" + result); - return result; - } - - if (mCs.mIsStartingProvisioning.get()) { - result = CMP_RESULT_CODE_IS_PROVISIONING; - log("isMobileOk: X is provisioning result=" + result); - return result; - } - - // See if we've already determined we've got a provisioning connection, - // if so we don't need to do anything active. - MobileDataStateTracker mdstDefault = (MobileDataStateTracker) - mCs.mNetTrackers[ConnectivityManager.TYPE_MOBILE]; - boolean isDefaultProvisioning = mdstDefault.isProvisioningNetwork(); - log("isMobileOk: isDefaultProvisioning=" + isDefaultProvisioning); - - MobileDataStateTracker mdstHipri = (MobileDataStateTracker) - mCs.mNetTrackers[ConnectivityManager.TYPE_MOBILE_HIPRI]; - boolean isHipriProvisioning = mdstHipri.isProvisioningNetwork(); - log("isMobileOk: isHipriProvisioning=" + isHipriProvisioning); - - if (isDefaultProvisioning || isHipriProvisioning) { - result = CMP_RESULT_CODE_PROVISIONING_NETWORK; - log("isMobileOk: X default || hipri is provisioning result=" + result); - return result; - } - - try { - // Continue trying to connect until time has run out - long endTime = SystemClock.elapsedRealtime() + params.mTimeOutMs; - - if (!mCs.isMobileDataStateTrackerReady()) { - // Wait for MobileDataStateTracker to be ready. - if (DBG) log("isMobileOk: mdst is not ready"); - while(SystemClock.elapsedRealtime() < endTime) { - if (mCs.isMobileDataStateTrackerReady()) { - // Enable fail fast as we'll do retries here and use a - // hipri connection so the default connection stays active. - if (DBG) log("isMobileOk: mdst ready, enable fail fast of mobile data"); - mCs.setEnableFailFastMobileData(DctConstants.ENABLED); - break; - } - sleep(POLLING_SLEEP_SEC); - } - } - - log("isMobileOk: start hipri url=" + params.mUrl); - - // First wait until we can start using hipri - Binder binder = new Binder(); - while(SystemClock.elapsedRealtime() < endTime) { - int ret = mCs.startUsingNetworkFeature(ConnectivityManager.TYPE_MOBILE, - Phone.FEATURE_ENABLE_HIPRI, binder); - if ((ret == PhoneConstants.APN_ALREADY_ACTIVE) - || (ret == PhoneConstants.APN_REQUEST_STARTED)) { - log("isMobileOk: hipri started"); - break; - } - if (VDBG) log("isMobileOk: hipri not started yet"); - result = CMP_RESULT_CODE_NO_CONNECTION; - sleep(POLLING_SLEEP_SEC); - } - - // Continue trying to connect until time has run out - while(SystemClock.elapsedRealtime() < endTime) { - try { - // Wait for hipri to connect. - // TODO: Don't poll and handle situation where hipri fails - // because default is retrying. See b/9569540 - NetworkInfo.State state = mCs - .getNetworkInfo(ConnectivityManager.TYPE_MOBILE_HIPRI).getState(); - if (state != NetworkInfo.State.CONNECTED) { - if (true/*VDBG*/) { - log("isMobileOk: not connected ni=" + - mCs.getNetworkInfo(ConnectivityManager.TYPE_MOBILE_HIPRI)); - } - sleep(POLLING_SLEEP_SEC); - result = CMP_RESULT_CODE_NO_CONNECTION; - continue; - } - - // Hipri has started check if this is a provisioning url - MobileDataStateTracker mdst = (MobileDataStateTracker) - mCs.mNetTrackers[ConnectivityManager.TYPE_MOBILE_HIPRI]; - if (mdst.isProvisioningNetwork()) { - result = CMP_RESULT_CODE_PROVISIONING_NETWORK; - if (DBG) log("isMobileOk: X isProvisioningNetwork result=" + result); - return result; - } else { - if (DBG) log("isMobileOk: isProvisioningNetwork is false, continue"); - } - - // Get of the addresses associated with the url host. We need to use the - // address otherwise HttpURLConnection object will use the name to get - // the addresses and will try every address but that will bypass the - // route to host we setup and the connection could succeed as the default - // interface might be connected to the internet via wifi or other interface. - InetAddress[] addresses; - try { - addresses = InetAddress.getAllByName(orgUri.getHost()); - } catch (UnknownHostException e) { - result = CMP_RESULT_CODE_NO_DNS; - log("isMobileOk: X UnknownHostException result=" + result); - return result; - } - log("isMobileOk: addresses=" + inetAddressesToString(addresses)); - - // Get the type of addresses supported by this link - LinkProperties lp = mCs.getLinkProperties( - ConnectivityManager.TYPE_MOBILE_HIPRI); - boolean linkHasIpv4 = lp.hasIPv4Address(); - boolean linkHasIpv6 = lp.hasIPv6Address(); - log("isMobileOk: linkHasIpv4=" + linkHasIpv4 - + " linkHasIpv6=" + linkHasIpv6); - - final ArrayList<InetAddress> validAddresses = - new ArrayList<InetAddress>(addresses.length); - - for (InetAddress addr : addresses) { - if (((addr instanceof Inet4Address) && linkHasIpv4) || - ((addr instanceof Inet6Address) && linkHasIpv6)) { - validAddresses.add(addr); - } - } - - if (validAddresses.size() == 0) { - return CMP_RESULT_CODE_NO_CONNECTION; - } - - int addrTried = 0; - while (true) { - // Loop through at most MAX_LOOPS valid addresses or until - // we run out of time - if (addrTried++ >= MAX_LOOPS) { - log("isMobileOk: too many loops tried - giving up"); - break; - } - if (SystemClock.elapsedRealtime() >= endTime) { - log("isMobileOk: spend too much time - giving up"); - break; - } - - InetAddress hostAddr = validAddresses.get(rand.nextInt( - validAddresses.size())); - - // Make a route to host so we check the specific interface. - if (mCs.requestRouteToHostAddress(ConnectivityManager.TYPE_MOBILE_HIPRI, - hostAddr.getAddress(), null)) { - // Wait a short time to be sure the route is established ?? - log("isMobileOk:" - + " wait to establish route to hostAddr=" + hostAddr); - sleep(NET_ROUTE_ESTABLISHMENT_SLEEP_SEC); - } else { - log("isMobileOk:" - + " could not establish route to hostAddr=" + hostAddr); - // Wait a short time before the next attempt - sleep(NET_ERROR_SLEEP_SEC); - continue; - } - - // Rewrite the url to have numeric address to use the specific route - // using http for half the attempts and https for the other half. - // Doing https first and http second as on a redirected walled garden - // such as t-mobile uses we get a SocketTimeoutException: "SSL - // handshake timed out" which we declare as - // CMP_RESULT_CODE_NO_TCP_CONNECTION. We could change this, but by - // having http second we will be using logic used for some time. - URL newUrl; - String scheme = (addrTried <= (MAX_LOOPS/2)) ? "https" : "http"; - newUrl = new URL(scheme, hostAddr.getHostAddress(), - orgUri.getPath()); - log("isMobileOk: newUrl=" + newUrl); - - HttpURLConnection urlConn = null; - try { - // Open the connection set the request headers and get the response - urlConn = (HttpURLConnection)newUrl.openConnection( - java.net.Proxy.NO_PROXY); - if (scheme.equals("https")) { - ((HttpsURLConnection)urlConn).setHostnameVerifier( - new CheckMpHostnameVerifier(orgUri)); - } - urlConn.setInstanceFollowRedirects(false); - urlConn.setConnectTimeout(SOCKET_TIMEOUT_MS); - urlConn.setReadTimeout(SOCKET_TIMEOUT_MS); - urlConn.setUseCaches(false); - urlConn.setAllowUserInteraction(false); - // Set the "Connection" to "Close" as by default "Keep-Alive" - // is used which is useless in this case. - urlConn.setRequestProperty("Connection", "close"); - int responseCode = urlConn.getResponseCode(); - - // For debug display the headers - Map<String, List<String>> headers = urlConn.getHeaderFields(); - log("isMobileOk: headers=" + headers); - - // Close the connection - urlConn.disconnect(); - urlConn = null; - - if (mTestingFailures) { - // Pretend no connection, this tests using http and https - result = CMP_RESULT_CODE_NO_CONNECTION; - log("isMobileOk: TESTING_FAILURES, pretend no connction"); - continue; - } - - if (responseCode == 204) { - // Return - result = CMP_RESULT_CODE_CONNECTABLE; - log("isMobileOk: X got expected responseCode=" + responseCode - + " result=" + result); - return result; - } else { - // Retry to be sure this was redirected, we've gotten - // occasions where a server returned 200 even though - // the device didn't have a "warm" sim. - log("isMobileOk: not expected responseCode=" + responseCode); - // TODO - it would be nice in the single-address case to do - // another DNS resolve here, but flushing the cache is a bit - // heavy-handed. - result = CMP_RESULT_CODE_REDIRECTED; - } - } catch (Exception e) { - log("isMobileOk: HttpURLConnection Exception" + e); - result = CMP_RESULT_CODE_NO_TCP_CONNECTION; - if (urlConn != null) { - urlConn.disconnect(); - urlConn = null; - } - sleep(NET_ERROR_SLEEP_SEC); - continue; - } - } - log("isMobileOk: X loops|timed out result=" + result); - return result; - } catch (Exception e) { - log("isMobileOk: Exception e=" + e); - continue; - } - } - log("isMobileOk: timed out"); - } finally { - log("isMobileOk: F stop hipri"); - mCs.setEnableFailFastMobileData(DctConstants.DISABLED); - mCs.stopUsingNetworkFeature(ConnectivityManager.TYPE_MOBILE, - Phone.FEATURE_ENABLE_HIPRI); - - // Wait for hipri to disconnect. - long endTime = SystemClock.elapsedRealtime() + 5000; - - while(SystemClock.elapsedRealtime() < endTime) { - NetworkInfo.State state = mCs - .getNetworkInfo(ConnectivityManager.TYPE_MOBILE_HIPRI).getState(); - if (state != NetworkInfo.State.DISCONNECTED) { - if (VDBG) { - log("isMobileOk: connected ni=" + - mCs.getNetworkInfo(ConnectivityManager.TYPE_MOBILE_HIPRI)); - } - sleep(POLLING_SLEEP_SEC); - continue; - } - } - - log("isMobileOk: X result=" + result); - } - return result; - } - - @Override - protected Integer doInBackground(Params... params) { - return isMobileOk(params[0]); - } - - @Override - protected void onPostExecute(Integer result) { - log("onPostExecute: result=" + result); - if ((mParams != null) && (mParams.mCb != null)) { - mParams.mCb.onComplete(result); - } - } - - private String inetAddressesToString(InetAddress[] addresses) { - StringBuffer sb = new StringBuffer(); - boolean firstTime = true; - for(InetAddress addr : addresses) { - if (firstTime) { - firstTime = false; - } else { - sb.append(","); - } - sb.append(addr); - } - return sb.toString(); - } - - private void printNetworkInfo() { - boolean hasIccCard = mTm.hasIccCard(); - int simState = mTm.getSimState(); - log("hasIccCard=" + hasIccCard - + " simState=" + simState); - NetworkInfo[] ni = mCs.getAllNetworkInfo(); - if (ni != null) { - log("ni.length=" + ni.length); - for (NetworkInfo netInfo: ni) { - log("netInfo=" + netInfo.toString()); - } - } else { - log("no network info ni=null"); - } - } - - /** - * Sleep for a few seconds then return. - * @param seconds - */ - private static void sleep(int seconds) { - try { - Thread.sleep(seconds * 1000); - } catch (InterruptedException e) { - e.printStackTrace(); - } - } - - private static void log(String s) { - Slog.d(ConnectivityService.TAG, "[" + CHECKMP_TAG + "] " + s); - } - } - - // TODO: Move to ConnectivityManager and make public? - private static final String CONNECTED_TO_PROVISIONING_NETWORK_ACTION = - "com.android.server.connectivityservice.CONNECTED_TO_PROVISIONING_NETWORK_ACTION"; - - private BroadcastReceiver mProvisioningReceiver = new BroadcastReceiver() { - @Override - public void onReceive(Context context, Intent intent) { - if (intent.getAction().equals(CONNECTED_TO_PROVISIONING_NETWORK_ACTION)) { - handleMobileProvisioningAction(intent.getStringExtra("EXTRA_URL")); - } - } - }; - - private void handleMobileProvisioningAction(String url) { - // Mark notification as not visible - setProvNotificationVisible(false, ConnectivityManager.TYPE_MOBILE_HIPRI, null, null); - - // If provisioning network handle as a special case, - // otherwise launch browser with the intent directly. - if (mIsProvisioningNetwork.get()) { - if (DBG) log("handleMobileProvisioningAction: on prov network enable then launch"); - mIsStartingProvisioning.set(true); - MobileDataStateTracker mdst = (MobileDataStateTracker) - mNetTrackers[ConnectivityManager.TYPE_MOBILE]; - mdst.setEnableFailFastMobileData(DctConstants.ENABLED); - mdst.enableMobileProvisioning(url); - } else { - if (DBG) log("handleMobileProvisioningAction: not prov network, launch browser directly"); - Intent newIntent = Intent.makeMainSelectorActivity(Intent.ACTION_MAIN, - Intent.CATEGORY_APP_BROWSER); - newIntent.setData(Uri.parse(url)); - newIntent.setFlags(Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT | - Intent.FLAG_ACTIVITY_NEW_TASK); - try { - mContext.startActivity(newIntent); - } catch (ActivityNotFoundException e) { - loge("handleMobileProvisioningAction: startActivity failed" + e); - } - } - } - - private static final String NOTIFICATION_ID = "CaptivePortal.Notification"; - private volatile boolean mIsNotificationVisible = false; - - private void setProvNotificationVisible(boolean visible, int networkType, String extraInfo, - String url) { - if (DBG) { - log("setProvNotificationVisible: E visible=" + visible + " networkType=" + networkType - + " extraInfo=" + extraInfo + " url=" + url); - } - - Resources r = Resources.getSystem(); - NotificationManager notificationManager = (NotificationManager) mContext - .getSystemService(Context.NOTIFICATION_SERVICE); - - if (visible) { - CharSequence title; - CharSequence details; - int icon; - Intent intent; - Notification notification = new Notification(); - switch (networkType) { - case ConnectivityManager.TYPE_WIFI: - title = r.getString(R.string.wifi_available_sign_in, 0); - details = r.getString(R.string.network_available_sign_in_detailed, - extraInfo); - icon = R.drawable.stat_notify_wifi_in_range; - intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url)); - intent.setFlags(Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT | - Intent.FLAG_ACTIVITY_NEW_TASK); - notification.contentIntent = PendingIntent.getActivity(mContext, 0, intent, 0); - break; - case ConnectivityManager.TYPE_MOBILE: - case ConnectivityManager.TYPE_MOBILE_HIPRI: - title = r.getString(R.string.network_available_sign_in, 0); - // TODO: Change this to pull from NetworkInfo once a printable - // name has been added to it - details = mTelephonyManager.getNetworkOperatorName(); - icon = R.drawable.stat_notify_rssi_in_range; - intent = new Intent(CONNECTED_TO_PROVISIONING_NETWORK_ACTION); - intent.putExtra("EXTRA_URL", url); - intent.setFlags(0); - notification.contentIntent = PendingIntent.getBroadcast(mContext, 0, intent, 0); - break; - default: - title = r.getString(R.string.network_available_sign_in, 0); - details = r.getString(R.string.network_available_sign_in_detailed, - extraInfo); - icon = R.drawable.stat_notify_rssi_in_range; - intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url)); - intent.setFlags(Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT | - Intent.FLAG_ACTIVITY_NEW_TASK); - notification.contentIntent = PendingIntent.getActivity(mContext, 0, intent, 0); - break; - } - - notification.when = 0; - notification.icon = icon; - notification.flags = Notification.FLAG_AUTO_CANCEL; - notification.tickerText = title; - notification.setLatestEventInfo(mContext, title, details, notification.contentIntent); - - try { - notificationManager.notify(NOTIFICATION_ID, networkType, notification); - } catch (NullPointerException npe) { - loge("setNotificaitionVisible: visible notificationManager npe=" + npe); - npe.printStackTrace(); - } - } else { - try { - notificationManager.cancel(NOTIFICATION_ID, networkType); - } catch (NullPointerException npe) { - loge("setNotificaitionVisible: cancel notificationManager npe=" + npe); - npe.printStackTrace(); - } - } - mIsNotificationVisible = visible; - } - - /** Location to an updatable file listing carrier provisioning urls. - * An example: - * - * <?xml version="1.0" encoding="utf-8"?> - * <provisioningUrls> - * <provisioningUrl mcc="310" mnc="4">http://myserver.com/foo?mdn=%3$s&iccid=%1$s&imei=%2$s</provisioningUrl> - * <redirectedUrl mcc="310" mnc="4">http://www.google.com</redirectedUrl> - * </provisioningUrls> - */ - private static final String PROVISIONING_URL_PATH = - "/data/misc/radio/provisioning_urls.xml"; - private final File mProvisioningUrlFile = new File(PROVISIONING_URL_PATH); - - /** XML tag for root element. */ - private static final String TAG_PROVISIONING_URLS = "provisioningUrls"; - /** XML tag for individual url */ - private static final String TAG_PROVISIONING_URL = "provisioningUrl"; - /** XML tag for redirected url */ - private static final String TAG_REDIRECTED_URL = "redirectedUrl"; - /** XML attribute for mcc */ - private static final String ATTR_MCC = "mcc"; - /** XML attribute for mnc */ - private static final String ATTR_MNC = "mnc"; - - private static final int REDIRECTED_PROVISIONING = 1; - private static final int PROVISIONING = 2; - - private String getProvisioningUrlBaseFromFile(int type) { - FileReader fileReader = null; - XmlPullParser parser = null; - Configuration config = mContext.getResources().getConfiguration(); - String tagType; - - switch (type) { - case PROVISIONING: - tagType = TAG_PROVISIONING_URL; - break; - case REDIRECTED_PROVISIONING: - tagType = TAG_REDIRECTED_URL; - break; - default: - throw new RuntimeException("getProvisioningUrlBaseFromFile: Unexpected parameter " + - type); - } - - try { - fileReader = new FileReader(mProvisioningUrlFile); - parser = Xml.newPullParser(); - parser.setInput(fileReader); - XmlUtils.beginDocument(parser, TAG_PROVISIONING_URLS); - - while (true) { - XmlUtils.nextElement(parser); - - String element = parser.getName(); - if (element == null) break; - - if (element.equals(tagType)) { - String mcc = parser.getAttributeValue(null, ATTR_MCC); - try { - if (mcc != null && Integer.parseInt(mcc) == config.mcc) { - String mnc = parser.getAttributeValue(null, ATTR_MNC); - if (mnc != null && Integer.parseInt(mnc) == config.mnc) { - parser.next(); - if (parser.getEventType() == XmlPullParser.TEXT) { - return parser.getText(); - } - } - } - } catch (NumberFormatException e) { - loge("NumberFormatException in getProvisioningUrlBaseFromFile: " + e); - } - } - } - return null; - } catch (FileNotFoundException e) { - loge("Carrier Provisioning Urls file not found"); - } catch (XmlPullParserException e) { - loge("Xml parser exception reading Carrier Provisioning Urls file: " + e); - } catch (IOException e) { - loge("I/O exception reading Carrier Provisioning Urls file: " + e); - } finally { - if (fileReader != null) { - try { - fileReader.close(); - } catch (IOException e) {} - } - } - return null; - } - - @Override - public String getMobileRedirectedProvisioningUrl() { - enforceConnectivityInternalPermission(); - String url = getProvisioningUrlBaseFromFile(REDIRECTED_PROVISIONING); - if (TextUtils.isEmpty(url)) { - url = mContext.getResources().getString(R.string.mobile_redirected_provisioning_url); - } - return url; - } - - @Override - public String getMobileProvisioningUrl() { - enforceConnectivityInternalPermission(); - String url = getProvisioningUrlBaseFromFile(PROVISIONING); - if (TextUtils.isEmpty(url)) { - url = mContext.getResources().getString(R.string.mobile_provisioning_url); - log("getMobileProvisioningUrl: mobile_provisioining_url from resource =" + url); - } else { - log("getMobileProvisioningUrl: mobile_provisioning_url from File =" + url); - } - // populate the iccid, imei and phone number in the provisioning url. - if (!TextUtils.isEmpty(url)) { - String phoneNumber = mTelephonyManager.getLine1Number(); - if (TextUtils.isEmpty(phoneNumber)) { - phoneNumber = "0000000000"; - } - url = String.format(url, - mTelephonyManager.getSimSerialNumber() /* ICCID */, - mTelephonyManager.getDeviceId() /* IMEI */, - phoneNumber /* Phone numer */); - } - - return url; - } - - @Override - public void setProvisioningNotificationVisible(boolean visible, int networkType, - String extraInfo, String url) { - enforceConnectivityInternalPermission(); - setProvNotificationVisible(visible, networkType, extraInfo, url); - } - - @Override - public void setAirplaneMode(boolean enable) { - enforceConnectivityInternalPermission(); - final long ident = Binder.clearCallingIdentity(); - try { - final ContentResolver cr = mContext.getContentResolver(); - Settings.Global.putInt(cr, Settings.Global.AIRPLANE_MODE_ON, enable ? 1 : 0); - Intent intent = new Intent(Intent.ACTION_AIRPLANE_MODE_CHANGED); - intent.putExtra("state", enable); - mContext.sendBroadcast(intent); - } finally { - Binder.restoreCallingIdentity(ident); - } - } - - private void onUserStart(int userId) { - synchronized(mVpns) { - Vpn userVpn = mVpns.get(userId); - if (userVpn != null) { - loge("Starting user already has a VPN"); - return; - } - userVpn = new Vpn(mContext, mVpnCallback, mNetd, this, userId); - mVpns.put(userId, userVpn); - userVpn.startMonitoring(mContext, mTrackerHandler); - } - } - - private void onUserStop(int userId) { - synchronized(mVpns) { - Vpn userVpn = mVpns.get(userId); - if (userVpn == null) { - loge("Stopping user has no VPN"); - return; - } - mVpns.delete(userId); - } - } - - private BroadcastReceiver mUserIntentReceiver = new BroadcastReceiver() { - @Override - public void onReceive(Context context, Intent intent) { - final String action = intent.getAction(); - final int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_NULL); - if (userId == UserHandle.USER_NULL) return; - - if (Intent.ACTION_USER_STARTING.equals(action)) { - onUserStart(userId); - } else if (Intent.ACTION_USER_STOPPING.equals(action)) { - onUserStop(userId); - } - } - }; - - @Override - public LinkQualityInfo getLinkQualityInfo(int networkType) { - enforceAccessPermission(); - if (isNetworkTypeValid(networkType)) { - return mNetTrackers[networkType].getLinkQualityInfo(); - } else { - return null; - } - } - - @Override - public LinkQualityInfo getActiveLinkQualityInfo() { - enforceAccessPermission(); - if (isNetworkTypeValid(mActiveDefaultNetwork)) { - return mNetTrackers[mActiveDefaultNetwork].getLinkQualityInfo(); - } else { - return null; - } - } - - @Override - public LinkQualityInfo[] getAllLinkQualityInfo() { - enforceAccessPermission(); - final ArrayList<LinkQualityInfo> result = Lists.newArrayList(); - for (NetworkStateTracker tracker : mNetTrackers) { - if (tracker != null) { - LinkQualityInfo li = tracker.getLinkQualityInfo(); - if (li != null) { - result.add(li); - } - } - } - - return result.toArray(new LinkQualityInfo[result.size()]); - } - - /* Infrastructure for network sampling */ - - private void handleNetworkSamplingTimeout() { - - log("Sampling interval elapsed, updating statistics .."); - - // initialize list of interfaces .. - Map<String, SamplingDataTracker.SamplingSnapshot> mapIfaceToSample = - new HashMap<String, SamplingDataTracker.SamplingSnapshot>(); - for (NetworkStateTracker tracker : mNetTrackers) { - if (tracker != null) { - String ifaceName = tracker.getNetworkInterfaceName(); - if (ifaceName != null) { - mapIfaceToSample.put(ifaceName, null); - } - } - } - - // Read samples for all interfaces - SamplingDataTracker.getSamplingSnapshots(mapIfaceToSample); - - // process samples for all networks - for (NetworkStateTracker tracker : mNetTrackers) { - if (tracker != null) { - String ifaceName = tracker.getNetworkInterfaceName(); - SamplingDataTracker.SamplingSnapshot ss = mapIfaceToSample.get(ifaceName); - if (ss != null) { - // end the previous sampling cycle - tracker.stopSampling(ss); - // start a new sampling cycle .. - tracker.startSampling(ss); - } - } - } - - log("Done."); - - int samplingIntervalInSeconds = Settings.Global.getInt(mContext.getContentResolver(), - Settings.Global.CONNECTIVITY_SAMPLING_INTERVAL_IN_SECONDS, - DEFAULT_SAMPLING_INTERVAL_IN_SECONDS); - - if (DBG) log("Setting timer for " + String.valueOf(samplingIntervalInSeconds) + "seconds"); - - setAlarm(samplingIntervalInSeconds * 1000, mSampleIntervalElapsedIntent); - } - - void setAlarm(int timeoutInMilliseconds, PendingIntent intent) { - long wakeupTime = SystemClock.elapsedRealtime() + timeoutInMilliseconds; - mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, wakeupTime, intent); - } -} |