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  • PackageManagerService

    /*
    * Copyright (C) 2006 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 com.android.internal.app.IMediaContainerService;
    import com.android.internal.app.ResolverActivity;
    import com.android.internal.content.NativeLibraryHelper;
    import com.android.internal.content.PackageHelper;
    import com.android.internal.util.FastXmlSerializer;
    import com.android.internal.util.JournaledFile;
    import com.android.internal.util.XmlUtils;

    import org.xmlpull.v1.XmlPullParser;
    import org.xmlpull.v1.XmlPullParserException;
    import org.xmlpull.v1.XmlSerializer;

    import android.app.ActivityManagerNative;
    import android.app.IActivityManager;
    import android.app.admin.IDevicePolicyManager;
    import android.app.backup.IBackupManager;
    import android.content.Context;
    import android.content.ComponentName;
    import android.content.IIntentReceiver;
    import android.content.Intent;
    import android.content.IntentFilter;
    import android.content.IntentSender;
    import android.content.ServiceConnection;
    import android.content.IntentSender.SendIntentException;
    import android.content.pm.ActivityInfo;
    import android.content.pm.ApplicationInfo;
    import android.content.pm.ComponentInfo;
    import android.content.pm.FeatureInfo;
    import android.content.pm.IPackageDataObserver;
    import android.content.pm.IPackageDeleteObserver;
    import android.content.pm.IPackageInstallObserver;
    import android.content.pm.IPackageManager;
    import android.content.pm.IPackageMoveObserver;
    import android.content.pm.IPackageStatsObserver;
    import android.content.pm.InstrumentationInfo;
    import android.content.pm.PackageInfo;
    import android.content.pm.PackageInfoLite;
    import android.content.pm.PackageManager;
    import android.content.pm.PackageStats;
    import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT;
    import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
    import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED;
    import android.content.pm.PackageParser;
    import android.content.pm.PermissionInfo;
    import android.content.pm.PermissionGroupInfo;
    import android.content.pm.ProviderInfo;
    import android.content.pm.ResolveInfo;
    import android.content.pm.ServiceInfo;
    import android.content.pm.Signature;
    import android.net.Uri;
    import android.os.Binder;
    import android.os.Build;
    import android.os.Bundle;
    import android.os.Debug;
    import android.os.HandlerThread;
    import android.os.IBinder;
    import android.os.Looper;
    import android.os.Message;
    import android.os.Parcel;
    import android.os.RemoteException;
    import android.os.Environment;
    import android.os.FileObserver;
    import android.os.FileUtils;
    import android.os.Handler;
    import android.os.ParcelFileDescriptor;
    import android.os.Process;
    import android.os.ServiceManager;
    import android.os.SystemClock;
    import android.os.SystemProperties;
    import android.provider.Settings;
    import android.security.SystemKeyStore;
    import android.util.*;
    import android.view.Display;
    import android.view.WindowManager;

    import java.io.BufferedOutputStream;
    import java.io.File;
    import java.io.FileDescriptor;
    import java.io.FileInputStream;
    import java.io.FileNotFoundException;
    import java.io.FileOutputStream;
    import java.io.FileReader;
    import java.io.FilenameFilter;
    import java.io.IOException;
    import java.io.InputStream;
    import java.io.PrintWriter;
    import java.security.NoSuchAlgorithmException;
    import java.text.SimpleDateFormat;
    import java.util.ArrayList;
    import java.util.Arrays;
    import java.util.Collection;
    import java.util.Collections;
    import java.util.Comparator;
    import java.util.Date;
    import java.util.Enumeration;
    import java.util.HashMap;
    import java.util.HashSet;
    import java.util.Iterator;
    import java.util.LinkedList;
    import java.util.List;
    import java.util.Map;
    import java.util.Set;
    import java.util.zip.ZipEntry;
    import java.util.zip.ZipException;
    import java.util.zip.ZipFile;
    import java.util.zip.ZipOutputStream;

    /**
    * Keep track of all those .apks everywhere.
    *
    * This is very central to the platform's security; please run the unit
    * tests whenever making modifications here:
    *
    mmm frameworks/base/tests/AndroidTests
    adb install -r -f out/target/product/passion/data/app/AndroidTests.apk
    adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner
    *
    */
    class PackageManagerService extends IPackageManager.Stub {
    private static final String TAG = "PackageManager";
    private static final boolean DEBUG_SETTINGS = false;
    private static final boolean DEBUG_PREFERRED = false;
    private static final boolean DEBUG_UPGRADE = false;
    private static final boolean DEBUG_INSTALL = false;

    private static final boolean MULTIPLE_APPLICATION_UIDS = true;
    private static final int RADIO_UID = Process.PHONE_UID;
    private static final int LOG_UID = Process.LOG_UID;
    private static final int NFC_UID = Process.NFC_UID;
    private static final int FIRST_APPLICATION_UID =
    Process.FIRST_APPLICATION_UID;
    private static final int MAX_APPLICATION_UIDS = 1000;

    private static final boolean SHOW_INFO = false;

    private static final boolean GET_CERTIFICATES = true;

    private static final String SYSTEM_PROPERTY_EFS_ENABLED = "persist.security.efs.enabled";

    private static final int REMOVE_EVENTS =
    FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM;
    private static final int ADD_EVENTS =
    FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO;

    private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS;
    // Suffix used during package installation when copying/moving
    // package apks to install directory.
    private static final String INSTALL_PACKAGE_SUFFIX = "-";

    /**
    * Indicates the state of installation. Used by PackageManager to
    * figure out incomplete installations. Say a package is being installed
    * (the state is set to PKG_INSTALL_INCOMPLETE) and remains so till
    * the package installation is successful or unsuccesful lin which case
    * the PackageManager will no longer maintain state information associated
    * with the package. If some exception(like device freeze or battery being
    * pulled out) occurs during installation of a package, the PackageManager
    * needs this information to clean up the previously failed installation.
    */
    private static final int PKG_INSTALL_INCOMPLETE = 0;
    private static final int PKG_INSTALL_COMPLETE = 1;

    static final int SCAN_MONITOR = 1<<0;
    static final int SCAN_NO_DEX = 1<<1;
    static final int SCAN_FORCE_DEX = 1<<2;
    static final int SCAN_UPDATE_SIGNATURE = 1<<3;
    static final int SCAN_NEW_INSTALL = 1<<4;
    static final int SCAN_NO_PATHS = 1<<5;
    static final int SCAN_UPDATE_TIME = 1<<6;

    static final int REMOVE_CHATTY = 1<<16;

    static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer";

    static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName(
    DEFAULT_CONTAINER_PACKAGE,
    "com.android.defcontainer.DefaultContainerService");

    private static final String LIB_DIR_NAME = "lib";

    static final String mTempContainerPrefix = "smdl2tmp";

    final HandlerThread mHandlerThread = new HandlerThread("PackageManager",
    Process.THREAD_PRIORITY_BACKGROUND);
    final PackageHandler mHandler;

    final int mSdkVersion = Build.VERSION.SDK_INT;
    final String mSdkCodename = "REL".equals(Build.VERSION.CODENAME)
    ? null : Build.VERSION.CODENAME;

    final Context mContext;
    final boolean mFactoryTest;
    final boolean mNoDexOpt;
    final DisplayMetrics mMetrics;
    final int mDefParseFlags;
    final String[] mSeparateProcesses;

    // This is where all application persistent data goes.
    final File mAppDataDir;

    // If Encrypted File System feature is enabled, all application persistent data
    // should go here instead.
    final File mSecureAppDataDir;

    // This is the object monitoring the framework dir.
    final FileObserver mFrameworkInstallObserver;

    // This is the object monitoring the system app dir.
    final FileObserver mSystemInstallObserver;

    // This is the object monitoring the system app dir.
    final FileObserver mVendorInstallObserver;

    // This is the object monitoring mAppInstallDir.
    final FileObserver mAppInstallObserver;

    // This is the object monitoring mDrmAppPrivateInstallDir.
    final FileObserver mDrmAppInstallObserver;

    // Used for priviledge escalation. MUST NOT BE CALLED WITH mPackages
    // LOCK HELD. Can be called with mInstallLock held.
    final Installer mInstaller;

    final File mFrameworkDir;
    final File mSystemAppDir;
    final File mVendorAppDir;
    final File mAppInstallDir;
    final File mDalvikCacheDir;

    // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked
    // apps.
    final File mDrmAppPrivateInstallDir;

    // ----------------------------------------------------------------

    // Lock for state used when installing and doing other long running
    // operations. Methods that must be called with this lock held have
    // the prefix "LI".
    final Object mInstallLock = new Object();

    // These are the directories in the 3rd party applications installed dir
    // that we have currently loaded packages from. Keys are the application's
    // installed zip file (absolute codePath), and values are Package.
    final HashMap<String, PackageParser.Package> mAppDirs =
    new HashMap<String, PackageParser.Package>();

    // Information for the parser to write more useful error messages.
    File mScanningPath;
    int mLastScanError;

    final int[] mOutPermissions = new int[3];

    // ----------------------------------------------------------------

    // Keys are String (package name), values are Package. This also serves
    // as the lock for the global state. Methods that must be called with
    // this lock held have the prefix "LP".
    final HashMap<String, PackageParser.Package> mPackages =
    new HashMap<String, PackageParser.Package>();

    final Settings mSettings;
    boolean mRestoredSettings;

    // Group-ids that are given to all packages as read from etc/permissions/*.xml.
    int[] mGlobalGids;

    // These are the built-in uid -> permission mappings that were read from the
    // etc/permissions.xml file.
    final SparseArray<HashSet<String>> mSystemPermissions =
    new SparseArray<HashSet<String>>();

    // These are the built-in shared libraries that were read from the
    // etc/permissions.xml file.
    final HashMap<String, String> mSharedLibraries = new HashMap<String, String>();

    // Temporary for building the final shared libraries for an .apk.
    String[] mTmpSharedLibraries = null;

    // These are the features this devices supports that were read from the
    // etc/permissions.xml file.
    final HashMap<String, FeatureInfo> mAvailableFeatures =
    new HashMap<String, FeatureInfo>();

    // All available activities, for your resolving pleasure.
    final ActivityIntentResolver mActivities =
    new ActivityIntentResolver();

    // All available receivers, for your resolving pleasure.
    final ActivityIntentResolver mReceivers =
    new ActivityIntentResolver();

    // All available services, for your resolving pleasure.
    final ServiceIntentResolver mServices = new ServiceIntentResolver();

    // Keys are String (provider class name), values are Provider.
    final HashMap<ComponentName, PackageParser.Provider> mProvidersByComponent =
    new HashMap<ComponentName, PackageParser.Provider>();

    // Mapping from provider base names (first directory in content URI codePath)
    // to the provider information.
    final HashMap<String, PackageParser.Provider> mProviders =
    new HashMap<String, PackageParser.Provider>();

    // Mapping from instrumentation class names to info about them.
    final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation =
    new HashMap<ComponentName, PackageParser.Instrumentation>();

    // Mapping from permission names to info about them.
    final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups =
    new HashMap<String, PackageParser.PermissionGroup>();

    // Packages whose data we have transfered into another package, thus
    // should no longer exist.
    final HashSet<String> mTransferedPackages = new HashSet<String>();

    // Broadcast actions that are only available to the system.
    final HashSet<String> mProtectedBroadcasts = new HashSet<String>();

    boolean mSystemReady;
    boolean mSafeMode;
    boolean mHasSystemUidErrors;

    ApplicationInfo mAndroidApplication;
    final ActivityInfo mResolveActivity = new ActivityInfo();
    final ResolveInfo mResolveInfo = new ResolveInfo();
    ComponentName mResolveComponentName;
    PackageParser.Package mPlatformPackage;

    // Set of pending broadcasts for aggregating enable/disable of components.
    final HashMap<String, ArrayList<String>> mPendingBroadcasts
    = new HashMap<String, ArrayList<String>>();
    // Service Connection to remote media container service to copy
    // package uri's from external media onto secure containers
    // or internal storage.
    private IMediaContainerService mContainerService = null;

    static final int SEND_PENDING_BROADCAST = 1;
    static final int MCS_BOUND = 3;
    static final int END_COPY = 4;
    static final int INIT_COPY = 5;
    static final int MCS_UNBIND = 6;
    static final int START_CLEANING_PACKAGE = 7;
    static final int FIND_INSTALL_LOC = 8;
    static final int POST_INSTALL = 9;
    static final int MCS_RECONNECT = 10;
    static final int MCS_GIVE_UP = 11;
    static final int UPDATED_MEDIA_STATUS = 12;
    static final int WRITE_SETTINGS = 13;

    static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds

    // Delay time in millisecs
    static final int BROADCAST_DELAY = 10 * 1000;
    final private DefaultContainerConnection mDefContainerConn =
    new DefaultContainerConnection();
    class DefaultContainerConnection implements ServiceConnection {
    public void onServiceConnected(ComponentName name, IBinder service) {
    if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected");
    IMediaContainerService imcs =
    IMediaContainerService.Stub.asInterface(service);
    mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs));
    }

    public void onServiceDisconnected(ComponentName name) {
    if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected");
    }
    };

    // Recordkeeping of restore-after-install operations that are currently in flight
    // between the Package Manager and the Backup Manager
    class PostInstallData {
    public InstallArgs args;
    public PackageInstalledInfo res;

    PostInstallData(InstallArgs _a, PackageInstalledInfo _r) {
    args = _a;
    res = _r;
    }
    };
    final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>();
    int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows

    class PackageHandler extends Handler {
    private boolean mBound = false;
    final ArrayList<HandlerParams> mPendingInstalls =
    new ArrayList<HandlerParams>();

    private boolean connectToService() {
    if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" +
    " DefaultContainerService");
    Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT);
    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
    if (mContext.bindService(service, mDefContainerConn,
    Context.BIND_AUTO_CREATE)) {
    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
    mBound = true;
    return true;
    }
    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
    return false;
    }

    private void disconnectService() {
    mContainerService = null;
    mBound = false;
    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
    mContext.unbindService(mDefContainerConn);
    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
    }

    PackageHandler(Looper looper) {
    super(looper);
    }

    public void handleMessage(Message msg) {
    try {
    doHandleMessage(msg);
    } finally {
    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
    }
    }

    void doHandleMessage(Message msg) {
    switch (msg.what) {
    case INIT_COPY: {
    if (DEBUG_SD_INSTALL) Log.i(TAG, "init_copy");
    HandlerParams params = (HandlerParams) msg.obj;
    int idx = mPendingInstalls.size();
    if (DEBUG_SD_INSTALL) Log.i(TAG, "idx=" + idx);
    // If a bind was already initiated we dont really
    // need to do anything. The pending install
    // will be processed later on.
    if (!mBound) {
    // If this is the only one pending we might
    // have to bind to the service again.
    if (!connectToService()) {
    Slog.e(TAG, "Failed to bind to media container service");
    params.serviceError();
    return;
    } else {
    // Once we bind to the service, the first
    // pending request will be processed.
    mPendingInstalls.add(idx, params);
    }
    } else {
    mPendingInstalls.add(idx, params);
    // Already bound to the service. Just make
    // sure we trigger off processing the first request.
    if (idx == 0) {
    mHandler.sendEmptyMessage(MCS_BOUND);
    }
    }
    break;
    }
    case MCS_BOUND: {
    if (DEBUG_SD_INSTALL) Log.i(TAG, "mcs_bound");
    if (msg.obj != null) {
    mContainerService = (IMediaContainerService) msg.obj;
    }
    if (mContainerService == null) {
    // Something seriously wrong. Bail out
    Slog.e(TAG, "Cannot bind to media container service");
    for (HandlerParams params : mPendingInstalls) {
    mPendingInstalls.remove(0);
    // Indicate service bind error
    params.serviceError();
    }
    mPendingInstalls.clear();
    } else if (mPendingInstalls.size() > 0) {
    HandlerParams params = mPendingInstalls.get(0);
    if (params != null) {
    params.startCopy();
    }
    } else {
    // Should never happen ideally.
    Slog.w(TAG, "Empty queue");
    }
    break;
    }
    case MCS_RECONNECT : {
    if (DEBUG_SD_INSTALL) Log.i(TAG, "mcs_reconnect");
    if (mPendingInstalls.size() > 0) {
    if (mBound) {
    disconnectService();
    }
    if (!connectToService()) {
    Slog.e(TAG, "Failed to bind to media container service");
    for (HandlerParams params : mPendingInstalls) {
    mPendingInstalls.remove(0);
    // Indicate service bind error
    params.serviceError();
    }
    mPendingInstalls.clear();
    }
    }
    break;
    }
    case MCS_UNBIND : {
    if (DEBUG_SD_INSTALL) Log.i(TAG, "mcs_unbind");
    // Delete pending install
    if (mPendingInstalls.size() > 0) {
    mPendingInstalls.remove(0);
    }
    if (mPendingInstalls.size() == 0) {
    if (mBound) {
    disconnectService();
    }
    } else {
    // There are more pending requests in queue.
    // Just post MCS_BOUND message to trigger processing
    // of next pending install.
    mHandler.sendEmptyMessage(MCS_BOUND);
    }
    break;
    }
    case MCS_GIVE_UP: {
    if (DEBUG_SD_INSTALL) Log.i(TAG, "mcs_giveup too many retries");
    HandlerParams params = mPendingInstalls.remove(0);
    break;
    }
    case SEND_PENDING_BROADCAST : {
    String packages[];
    ArrayList components[];
    int size = 0;
    int uids[];
    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
    synchronized (mPackages) {
    if (mPendingBroadcasts == null) {
    return;
    }
    size = mPendingBroadcasts.size();
    if (size <= 0) {
    // Nothing to be done. Just return
    return;
    }
    packages = new String[size];
    components = new ArrayList[size];
    uids = new int[size];
    Iterator<HashMap.Entry<String, ArrayList<String>>>
    it = mPendingBroadcasts.entrySet().iterator();
    int i = 0;
    while (it.hasNext() && i < size) {
    HashMap.Entry<String, ArrayList<String>> ent = it.next();
    packages[i] = ent.getKey();
    components[i] = ent.getValue();
    PackageSetting ps = mSettings.mPackages.get(ent.getKey());
    uids[i] = (ps != null) ? ps.userId : -1;
    i++;
    }
    size = i;
    mPendingBroadcasts.clear();
    }
    // Send broadcasts
    for (int i = 0; i < size; i++) {
    sendPackageChangedBroadcast(packages[i], true,
    (ArrayList<String>)components[i], uids[i]);
    }
    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
    break;
    }
    case START_CLEANING_PACKAGE: {
    String packageName = (String)msg.obj;
    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
    synchronized (mPackages) {
    if (!mSettings.mPackagesToBeCleaned.contains(packageName)) {
    mSettings.mPackagesToBeCleaned.add(packageName);
    }
    }
    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
    startCleaningPackages();
    } break;
    case POST_INSTALL: {
    if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1);
    PostInstallData data = mRunningInstalls.get(msg.arg1);
    mRunningInstalls.delete(msg.arg1);
    boolean deleteOld = false;

    if (data != null) {
    InstallArgs args = data.args;
    PackageInstalledInfo res = data.res;

    if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
    res.removedInfo.sendBroadcast(false, true);
    Bundle extras = new Bundle(1);
    extras.putInt(Intent.EXTRA_UID, res.uid);
    final boolean update = res.removedInfo.removedPackage != null;
    if (update) {
    extras.putBoolean(Intent.EXTRA_REPLACING, true);
    }
    sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,
    res.pkg.applicationInfo.packageName,
    extras, null);
    if (update) {
    sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED,
    res.pkg.applicationInfo.packageName,
    extras, null);
    }
    if (res.removedInfo.args != null) {
    // Remove the replaced package's older resources safely now
    deleteOld = true;
    }
    }
    // Force a gc to clear up things
    Runtime.getRuntime().gc();
    // We delete after a gc for applications on sdcard.
    if (deleteOld) {
    synchronized (mInstallLock) {
    res.removedInfo.args.doPostDeleteLI(true);
    }
    }
    if (args.observer != null) {
    try {
    args.observer.packageInstalled(res.name, res.returnCode);
    } catch (RemoteException e) {
    Slog.i(TAG, "Observer no longer exists.");
    }
    }
    } else {
    Slog.e(TAG, "Bogus post-install token " + msg.arg1);
    }
    } break;
    case UPDATED_MEDIA_STATUS: {
    if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS");
    boolean reportStatus = msg.arg1 == 1;
    boolean doGc = msg.arg2 == 1;
    if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc);
    if (doGc) {
    // Force a gc to clear up stale containers.
    Runtime.getRuntime().gc();
    }
    if (msg.obj != null) {
    Set<SdInstallArgs> args = (Set<SdInstallArgs>) msg.obj;
    if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers");
    // Unload containers
    unloadAllContainers(args);
    }
    if (reportStatus) {
    try {
    if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back");
    PackageHelper.getMountService().finishMediaUpdate();
    } catch (RemoteException e) {
    Log.e(TAG, "MountService not running?");
    }
    }
    } break;
    case WRITE_SETTINGS: {
    Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
    synchronized (mPackages) {
    removeMessages(WRITE_SETTINGS);
    mSettings.writeLP();
    }
    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
    } break;
    }
    }
    }

    void scheduleWriteSettingsLocked() {
    if (!mHandler.hasMessages(WRITE_SETTINGS)) {
    mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY);
    }
    }

    static boolean installOnSd(int flags) {
    if (((flags & PackageManager.INSTALL_FORWARD_LOCK) != 0) ||
    ((flags & PackageManager.INSTALL_INTERNAL) != 0)) {
    return false;
    }
    if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) {
    return true;
    }
    return false;
    }

    public static final IPackageManager main(Context context, boolean factoryTest) {
    PackageManagerService m = new PackageManagerService(context, factoryTest);
    ServiceManager.addService("package", m);
    return m;
    }

    static String[] splitString(String str, char sep) {
    int count = 1;
    int i = 0;
    while ((i=str.indexOf(sep, i)) >= 0) {
    count++;
    i++;
    }

    String[] res = new String[count];
    i=0;
    count = 0;
    int lastI=0;
    while ((i=str.indexOf(sep, i)) >= 0) {
    res[count] = str.substring(lastI, i);
    count++;
    i++;
    lastI = i;
    }
    res[count] = str.substring(lastI, str.length());
    return res;
    }

    public PackageManagerService(Context context, boolean factoryTest) {
    EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START,
    SystemClock.uptimeMillis());

    if (mSdkVersion <= 0) {
    Slog.w(TAG, "**** ro.build.version.sdk not set!");
    }

    mContext = context;
    mFactoryTest = factoryTest;
    mNoDexOpt = "eng".equals(SystemProperties.get("ro.build.type"));
    mMetrics = new DisplayMetrics();
    mSettings = new Settings();
    mSettings.addSharedUserLP("android.uid.system",
    Process.SYSTEM_UID, ApplicationInfo.FLAG_SYSTEM);
    mSettings.addSharedUserLP("android.uid.phone",
    MULTIPLE_APPLICATION_UIDS
    ? RADIO_UID : FIRST_APPLICATION_UID,
    ApplicationInfo.FLAG_SYSTEM);
    mSettings.addSharedUserLP("android.uid.log",
    MULTIPLE_APPLICATION_UIDS
    ? LOG_UID : FIRST_APPLICATION_UID,
    ApplicationInfo.FLAG_SYSTEM);
    mSettings.addSharedUserLP("android.uid.nfc",
    MULTIPLE_APPLICATION_UIDS
    ? NFC_UID : FIRST_APPLICATION_UID,
    ApplicationInfo.FLAG_SYSTEM);

    String separateProcesses = SystemProperties.get("debug.separate_processes");
    if (separateProcesses != null && separateProcesses.length() > 0) {
    if ("*".equals(separateProcesses)) {
    mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES;
    mSeparateProcesses = null;
    Slog.w(TAG, "Running with debug.separate_processes: * (ALL)");
    } else {
    mDefParseFlags = 0;
    mSeparateProcesses = separateProcesses.split(",");
    Slog.w(TAG, "Running with debug.separate_processes: "
    + separateProcesses);
    }
    } else {
    mDefParseFlags = 0;
    mSeparateProcesses = null;
    }

    Installer installer = new Installer();
    // Little hacky thing to check if installd is here, to determine
    // whether we are running on the simulator and thus need to take
    // care of building the /data file structure ourself.
    // (apparently the sim now has a working installer)
    if (installer.ping() && Process.supportsProcesses()) {
    mInstaller = installer;
    } else {
    mInstaller = null;
    }

    WindowManager wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
    Display d = wm.getDefaultDisplay();
    d.getMetrics(mMetrics);

    synchronized (mInstallLock) {
    synchronized (mPackages) {
    mHandlerThread.start();
    mHandler = new PackageHandler(mHandlerThread.getLooper());

    File dataDir = Environment.getDataDirectory();
    mAppDataDir = new File(dataDir, "data");
    mSecureAppDataDir = new File(dataDir, "secure/data");
    mDrmAppPrivateInstallDir = new File(dataDir, "app-private");

    if (mInstaller == null) {
    // Make sure these dirs exist, when we are running in
    // the simulator.
    // Make a wide-open directory for random misc stuff.
    File miscDir = new File(dataDir, "misc");
    miscDir.mkdirs();
    mAppDataDir.mkdirs();
    mSecureAppDataDir.mkdirs();
    mDrmAppPrivateInstallDir.mkdirs();
    }

    readPermissions();

    mRestoredSettings = mSettings.readLP();
    long startTime = SystemClock.uptimeMillis();

    EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START,
    startTime);

    // Set flag to monitor and not change apk file paths when
    // scanning install directories.
    int scanMode = SCAN_MONITOR | SCAN_NO_PATHS;
    if (mNoDexOpt) {
    Slog.w(TAG, "Running ENG build: no pre-dexopt!");
    scanMode |= SCAN_NO_DEX;
    }

    final HashSet<String> libFiles = new HashSet<String>();

    mFrameworkDir = new File(Environment.getRootDirectory(), "framework");
    mDalvikCacheDir = new File(dataDir, "dalvik-cache");

    if (mInstaller != null) {
    boolean didDexOpt = false;

    /**
    * Out of paranoia, ensure that everything in the boot class
    * path has been dexed.
    */
    String bootClassPath = System.getProperty("java.boot.class.path");
    if (bootClassPath != null) {
    String[] paths = splitString(bootClassPath, ':');
    for (int i=0; i<paths.length; i++) {
    try {
    if (dalvik.system.DexFile.isDexOptNeeded(paths[i])) {
    libFiles.add(paths[i]);
    mInstaller.dexopt(paths[i], Process.SYSTEM_UID, true);
    didDexOpt = true;
    }
    } catch (FileNotFoundException e) {
    Slog.w(TAG, "Boot class path not found: " + paths[i]);
    } catch (IOException e) {
    Slog.w(TAG, "Exception reading boot class path: " + paths[i], e);
    }
    }
    } else {
    Slog.w(TAG, "No BOOTCLASSPATH found!");
    }

    /**
    * Also ensure all external libraries have had dexopt run on them.
    */
    if (mSharedLibraries.size() > 0) {
    Iterator<String> libs = mSharedLibraries.values().iterator();
    while (libs.hasNext()) {
    String lib = libs.next();
    try {
    if (dalvik.system.DexFile.isDexOptNeeded(lib)) {
    libFiles.add(lib);
    mInstaller.dexopt(lib, Process.SYSTEM_UID, true);
    didDexOpt = true;
    }
    } catch (FileNotFoundException e) {
    Slog.w(TAG, "Library not found: " + lib);
    } catch (IOException e) {
    Slog.w(TAG, "Exception reading library: " + lib, e);
    }
    }
    }

    // Gross hack for now: we know this file doesn't contain any
    // code, so don't dexopt it to avoid the resulting log spew.
    libFiles.add(mFrameworkDir.getPath() + "/framework-res.apk");

    /**
    * And there are a number of commands implemented in Java, which
    * we currently need to do the dexopt on so that they can be
    * run from a non-root shell.
    */
    String[] frameworkFiles = mFrameworkDir.list();
    if (frameworkFiles != null) {
    for (int i=0; i<frameworkFiles.length; i++) {
    File libPath = new File(mFrameworkDir, frameworkFiles[i]);
    String path = libPath.getPath();
    // Skip the file if we alrady did it.
    if (libFiles.contains(path)) {
    continue;
    }
    // Skip the file if it is not a type we want to dexopt.
    if (!path.endsWith(".apk") && !path.endsWith(".jar")) {
    continue;
    }
    try {
    if (dalvik.system.DexFile.isDexOptNeeded(path)) {
    mInstaller.dexopt(path, Process.SYSTEM_UID, true);
    didDexOpt = true;
    }
    } catch (FileNotFoundException e) {
    Slog.w(TAG, "Jar not found: " + path);
    } catch (IOException e) {
    Slog.w(TAG, "Exception reading jar: " + path, e);
    }
    }
    }

    if (didDexOpt) {
    // If we had to do a dexopt of one of the previous
    // things, then something on the system has changed.
    // Consider this significant, and wipe away all other
    // existing dexopt files to ensure we don't leave any
    // dangling around.
    String[] files = mDalvikCacheDir.list();
    if (files != null) {
    for (int i=0; i<files.length; i++) {
    String fn = files[i];
    if (fn.startsWith("data@app@")
    || fn.startsWith("data@app-private@")) {
    Slog.i(TAG, "Pruning dalvik file: " + fn);
    (new File(mDalvikCacheDir, fn)).delete();
    }
    }
    }
    }
    }

    // Find base frameworks (resource packages without code).
    mFrameworkInstallObserver = new AppDirObserver(
    mFrameworkDir.getPath(), OBSERVER_EVENTS, true);
    mFrameworkInstallObserver.startWatching();
    scanDirLI(mFrameworkDir, PackageParser.PARSE_IS_SYSTEM
    | PackageParser.PARSE_IS_SYSTEM_DIR,
    scanMode | SCAN_NO_DEX, 0);

    // Collect all system packages.
    mSystemAppDir = new File(Environment.getRootDirectory(), "app");
    mSystemInstallObserver = new AppDirObserver(
    mSystemAppDir.getPath(), OBSERVER_EVENTS, true);
    mSystemInstallObserver.startWatching();
    scanDirLI(mSystemAppDir, PackageParser.PARSE_IS_SYSTEM
    | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0);

    // Collect all vendor packages.
    mVendorAppDir = new File("/vendor/app");
    mVendorInstallObserver = new AppDirObserver(
    mVendorAppDir.getPath(), OBSERVER_EVENTS, true);
    mVendorInstallObserver.startWatching();
    scanDirLI(mVendorAppDir, PackageParser.PARSE_IS_SYSTEM
    | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0);

    if (mInstaller != null) {
    if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands");
    mInstaller.moveFiles();
    }

    // Prune any system packages that no longer exist.
    Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator();
    while (psit.hasNext()) {
    PackageSetting ps = psit.next();
    if ((ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) != 0
    && !mPackages.containsKey(ps.name)
    && !mSettings.mDisabledSysPackages.containsKey(ps.name)) {
    psit.remove();
    String msg = "System package " + ps.name
    + " no longer exists; wiping its data";
    reportSettingsProblem(Log.WARN, msg);
    if (mInstaller != null) {
    // XXX how to set useEncryptedFSDir for packages that
    // are not encrypted?
    mInstaller.remove(ps.name, true);
    }
    }
    }

    mAppInstallDir = new File(dataDir, "app");
    if (mInstaller == null) {
    // Make sure these dirs exist, when we are running in
    // the simulator.
    mAppInstallDir.mkdirs(); // scanDirLI() assumes this dir exists
    }
    //look for any incomplete package installations
    ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackages();
    //clean up list
    for(int i = 0; i < deletePkgsList.size(); i++) {
    //clean up here
    cleanupInstallFailedPackage(deletePkgsList.get(i));
    }
    //delete tmp files
    deleteTempPackageFiles();

    EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START,
    SystemClock.uptimeMillis());
    mAppInstallObserver = new AppDirObserver(
    mAppInstallDir.getPath(), OBSERVER_EVENTS, false);
    mAppInstallObserver.startWatching();
    scanDirLI(mAppInstallDir, 0, scanMode, 0);

    mDrmAppInstallObserver = new AppDirObserver(
    mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false);
    mDrmAppInstallObserver.startWatching();
    scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK,
    scanMode, 0);

    EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END,
    SystemClock.uptimeMillis());
    Slog.i(TAG, "Time to scan packages: "
    + ((SystemClock.uptimeMillis()-startTime)/1000f)
    + " seconds");

    // If the platform SDK has changed since the last time we booted,
    // we need to re-grant app permission to catch any new ones that
    // appear. This is really a hack, and means that apps can in some
    // cases get permissions that the user didn't initially explicitly
    // allow... it would be nice to have some better way to handle
    // this situation.
    final boolean regrantPermissions = mSettings.mInternalSdkPlatform
    != mSdkVersion;
    if (regrantPermissions) Slog.i(TAG, "Platform changed from "
    + mSettings.mInternalSdkPlatform + " to " + mSdkVersion
    + "; regranting permissions for internal storage");
    mSettings.mInternalSdkPlatform = mSdkVersion;

    updatePermissionsLP(null, null, true, regrantPermissions, regrantPermissions);

    mSettings.writeLP();

    EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY,
    SystemClock.uptimeMillis());

    // Now after opening every single application zip, make sure they
    // are all flushed. Not really needed, but keeps things nice and
    // tidy.
    Runtime.getRuntime().gc();
    } // synchronized (mPackages)
    } // synchronized (mInstallLock)
    }

    @Override
    public boolean onTransact(int code, Parcel data, Parcel reply, int flags)
    throws RemoteException {
    try {
    return super.onTransact(code, data, reply, flags);
    } catch (RuntimeException e) {
    if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) {
    Slog.e(TAG, "Package Manager Crash", e);
    }
    throw e;
    }
    }

    void cleanupInstallFailedPackage(PackageSetting ps) {
    Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name);
    if (mInstaller != null) {
    boolean useSecureFS = useEncryptedFilesystemForPackage(ps.pkg);
    int retCode = mInstaller.remove(ps.name, useSecureFS);
    if (retCode < 0) {
    Slog.w(TAG, "Couldn't remove app data directory for package: "
    + ps.name + ", retcode=" + retCode);
    }
    } else {
    //for emulator
    PackageParser.Package pkg = mPackages.get(ps.name);
    File dataDir = new File(pkg.applicationInfo.dataDir);
    dataDir.delete();
    }
    if (ps.codePath != null) {
    if (!ps.codePath.delete()) {
    Slog.w(TAG, "Unable to remove old code file: " + ps.codePath);
    }
    }
    if (ps.resourcePath != null) {
    if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) {
    Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath);
    }
    }
    mSettings.removePackageLP(ps.name);
    }

    void readPermissions() {
    // Read permissions from .../etc/permission directory.
    File libraryDir = new File(Environment.getRootDirectory(), "etc/permissions");
    if (!libraryDir.exists() || !libraryDir.isDirectory()) {
    Slog.w(TAG, "No directory " + libraryDir + ", skipping");
    return;
    }
    if (!libraryDir.canRead()) {
    Slog.w(TAG, "Directory " + libraryDir + " cannot be read");
    return;
    }

    // Iterate over the files in the directory and scan .xml files
    for (File f : libraryDir.listFiles()) {
    // We'll read platform.xml last
    if (f.getPath().endsWith("etc/permissions/platform.xml")) {
    continue;
    }

    if (!f.getPath().endsWith(".xml")) {
    Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring");
    continue;
    }
    if (!f.canRead()) {
    Slog.w(TAG, "Permissions library file " + f + " cannot be read");
    continue;
    }

    readPermissionsFromXml(f);
    }

    // Read permissions from .../etc/permissions/platform.xml last so it will take precedence
    final File permFile = new File(Environment.getRootDirectory(),
    "etc/permissions/platform.xml");
    readPermissionsFromXml(permFile);
    }

    private void readPermissionsFromXml(File permFile) {
    FileReader permReader = null;
    try {
    permReader = new FileReader(permFile);
    } catch (FileNotFoundException e) {
    Slog.w(TAG, "Couldn't find or open permissions file " + permFile);
    return;
    }

    try {
    XmlPullParser parser = Xml.newPullParser();
    parser.setInput(permReader);

    XmlUtils.beginDocument(parser, "permissions");

    while (true) {
    XmlUtils.nextElement(parser);
    if (parser.getEventType() == XmlPullParser.END_DOCUMENT) {
    break;
    }

    String name = parser.getName();
    if ("group".equals(name)) {
    String gidStr = parser.getAttributeValue(null, "gid");
    if (gidStr != null) {
    int gid = Integer.parseInt(gidStr);
    mGlobalGids = appendInt(mGlobalGids, gid);
    } else {
    Slog.w(TAG, "<group> without gid at "
    + parser.getPositionDescription());
    }

    XmlUtils.skipCurrentTag(parser);
    continue;
    } else if ("permission".equals(name)) {
    String perm = parser.getAttributeValue(null, "name");
    if (perm == null) {
    Slog.w(TAG, "<permission> without name at "
    + parser.getPositionDescription());
    XmlUtils.skipCurrentTag(parser);
    continue;
    }
    perm = perm.intern();
    readPermission(parser, perm);

    } else if ("assign-permission".equals(name)) {
    String perm = parser.getAttributeValue(null, "name");
    if (perm == null) {
    Slog.w(TAG, "<assign-permission> without name at "
    + parser.getPositionDescription());
    XmlUtils.skipCurrentTag(parser);
    continue;
    }
    String uidStr = parser.getAttributeValue(null, "uid");
    if (uidStr == null) {
    Slog.w(TAG, "<assign-permission> without uid at "
    + parser.getPositionDescription());
    XmlUtils.skipCurrentTag(parser);
    continue;
    }
    int uid = Process.getUidForName(uidStr);
    if (uid < 0) {
    Slog.w(TAG, "<assign-permission> with unknown uid \""
    + uidStr + "\" at "
    + parser.getPositionDescription());
    XmlUtils.skipCurrentTag(parser);
    continue;
    }
    perm = perm.intern();
    HashSet<String> perms = mSystemPermissions.get(uid);
    if (perms == null) {
    perms = new HashSet<String>();
    mSystemPermissions.put(uid, perms);
    }
    perms.add(perm);
    XmlUtils.skipCurrentTag(parser);

    } else if ("library".equals(name)) {
    String lname = parser.getAttributeValue(null, "name");
    String lfile = parser.getAttributeValue(null, "file");
    if (lname == null) {
    Slog.w(TAG, "<library> without name at "
    + parser.getPositionDescription());
    } else if (lfile == null) {
    Slog.w(TAG, "<library> without file at "
    + parser.getPositionDescription());
    } else {
    //Log.i(TAG, "Got library " + lname + " in " + lfile);
    mSharedLibraries.put(lname, lfile);
    }
    XmlUtils.skipCurrentTag(parser);
    continue;

    } else if ("feature".equals(name)) {
    String fname = parser.getAttributeValue(null, "name");
    if (fname == null) {
    Slog.w(TAG, "<feature> without name at "
    + parser.getPositionDescription());
    } else {
    //Log.i(TAG, "Got feature " + fname);
    FeatureInfo fi = new FeatureInfo();
    fi.name = fname;
    mAvailableFeatures.put(fname, fi);
    }
    XmlUtils.skipCurrentTag(parser);
    continue;

    } else {
    XmlUtils.skipCurrentTag(parser);
    continue;
    }

    }
    } catch (XmlPullParserException e) {
    Slog.w(TAG, "Got execption parsing permissions.", e);
    } catch (IOException e) {
    Slog.w(TAG, "Got execption parsing permissions.", e);
    }
    }

    void readPermission(XmlPullParser parser, String name)
    throws IOException, XmlPullParserException {

    name = name.intern();

    BasePermission bp = mSettings.mPermissions.get(name);
    if (bp == null) {
    bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN);
    mSettings.mPermissions.put(name, bp);
    }
    int outerDepth = parser.getDepth();
    int type;
    while ((type=parser.next()) != XmlPullParser.END_DOCUMENT
    && (type != XmlPullParser.END_TAG
    || parser.getDepth() > outerDepth)) {
    if (type == XmlPullParser.END_TAG
    || type == XmlPullParser.TEXT) {
    continue;
    }

    String tagName = parser.getName();
    if ("group".equals(tagName)) {
    String gidStr = parser.getAttributeValue(null, "gid");
    if (gidStr != null) {
    int gid = Process.getGidForName(gidStr);
    bp.gids = appendInt(bp.gids, gid);
    } else {
    Slog.w(TAG, "<group> without gid at "
    + parser.getPositionDescription());
    }
    }
    XmlUtils.skipCurrentTag(parser);
    }
    }

    static int[] appendInt(int[] cur, int val) {
    if (cur == null) {
    return new int[] { val };
    }
    final int N = cur.length;
    for (int i=0; i<N; i++) {
    if (cur[i] == val) {
    return cur;
    }
    }
    int[] ret = new int[N+1];
    System.arraycopy(cur, 0, ret, 0, N);
    ret[N] = val;
    return ret;
    }

    static int[] appendInts(int[] cur, int[] add) {
    if (add == null) return cur;
    if (cur == null) return add;
    final int N = add.length;
    for (int i=0; i<N; i++) {
    cur = appendInt(cur, add[i]);
    }
    return cur;
    }

    static int[] removeInt(int[] cur, int val) {
    if (cur == null) {
    return null;
    }
    final int N = cur.length;
    for (int i=0; i<N; i++) {
    if (cur[i] == val) {
    int[] ret = new int[N-1];
    if (i > 0) {
    System.arraycopy(cur, 0, ret, 0, i);
    }
    if (i < (N-1)) {
    System.arraycopy(cur, i + 1, ret, i, N - i - 1);
    }
    return ret;
    }
    }
    return cur;
    }

    static int[] removeInts(int[] cur, int[] rem) {
    if (rem == null) return cur;
    if (cur == null) return cur;
    final int N = rem.length;
    for (int i=0; i<N; i++) {
    cur = removeInt(cur, rem[i]);
    }
    return cur;
    }

    PackageInfo generatePackageInfo(PackageParser.Package p, int flags) {
    if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) {
    // The package has been uninstalled but has retained data and resources.
    return PackageParser.generatePackageInfo(p, null, flags, 0, 0);
    }
    final PackageSetting ps = (PackageSetting)p.mExtras;
    if (ps == null) {
    return null;
    }
    final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps;
    return PackageParser.generatePackageInfo(p, gp.gids, flags,
    ps.firstInstallTime, ps.lastUpdateTime);
    }

    public PackageInfo getPackageInfo(String packageName, int flags) {
    synchronized (mPackages) {
    PackageParser.Package p = mPackages.get(packageName);
    if (Config.LOGV) Log.v(
    TAG, "getPackageInfo " + packageName
    + ": " + p);
    if (p != null) {
    return generatePackageInfo(p, flags);
    }
    if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) {
    return generatePackageInfoFromSettingsLP(packageName, flags);
    }
    }
    return null;
    }

    public String[] currentToCanonicalPackageNames(String[] names) {
    String[] out = new String[names.length];
    synchronized (mPackages) {
    for (int i=names.length-1; i>=0; i--) {
    PackageSetting ps = mSettings.mPackages.get(names[i]);
    out[i] = ps != null && ps.realName != null ? ps.realName : names[i];
    }
    }
    return out;
    }

    public String[] canonicalToCurrentPackageNames(String[] names) {
    String[] out = new String[names.length];
    synchronized (mPackages) {
    for (int i=names.length-1; i>=0; i--) {
    String cur = mSettings.mRenamedPackages.get(names[i]);
    out[i] = cur != null ? cur : names[i];
    }
    }
    return out;
    }

    public int getPackageUid(String packageName) {
    synchronized (mPackages) {
    PackageParser.Package p = mPackages.get(packageName);
    if(p != null) {
    return p.applicationInfo.uid;
    }
    PackageSetting ps = mSettings.mPackages.get(packageName);
    if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) {
    return -1;
    }
    p = ps.pkg;
    return p != null ? p.applicationInfo.uid : -1;
    }
    }

    public int[] getPackageGids(String packageName) {
    synchronized (mPackages) {
    PackageParser.Package p = mPackages.get(packageName);
    if (Config.LOGV) Log.v(
    TAG, "getPackageGids" + packageName
    + ": " + p);
    if (p != null) {
    final PackageSetting ps = (PackageSetting)p.mExtras;
    final SharedUserSetting suid = ps.sharedUser;
    return suid != null ? suid.gids : ps.gids;
    }
    }
    // stupid thing to indicate an error.
    return new int[0];
    }

    static final PermissionInfo generatePermissionInfo(
    BasePermission bp, int flags) {
    if (bp.perm != null) {
    return PackageParser.generatePermissionInfo(bp.perm, flags);
    }
    PermissionInfo pi = new PermissionInfo();
    pi.name = bp.name;
    pi.packageName = bp.sourcePackage;
    pi.nonLocalizedLabel = bp.name;
    pi.protectionLevel = bp.protectionLevel;
    return pi;
    }

    public PermissionInfo getPermissionInfo(String name, int flags) {
    synchronized (mPackages) {
    final BasePermission p = mSettings.mPermissions.get(name);
    if (p != null) {
    return generatePermissionInfo(p, flags);
    }
    return null;
    }
    }

    public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) {
    synchronized (mPackages) {
    ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10);
    for (BasePermission p : mSettings.mPermissions.values()) {
    if (group == null) {
    if (p.perm == null || p.perm.info.group == null) {
    out.add(generatePermissionInfo(p, flags));
    }
    } else {
    if (p.perm != null && group.equals(p.perm.info.group)) {
    out.add(PackageParser.generatePermissionInfo(p.perm, flags));
    }
    }
    }

    if (out.size() > 0) {
    return out;
    }
    return mPermissionGroups.containsKey(group) ? out : null;
    }
    }

    public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) {
    synchronized (mPackages) {
    return PackageParser.generatePermissionGroupInfo(
    mPermissionGroups.get(name), flags);
    }
    }

    public List<PermissionGroupInfo> getAllPermissionGroups(int flags) {
    synchronized (mPackages) {
    final int N = mPermissionGroups.size();
    ArrayList<PermissionGroupInfo> out
    = new ArrayList<PermissionGroupInfo>(N);
    for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) {
    out.add(PackageParser.generatePermissionGroupInfo(pg, flags));
    }
    return out;
    }
    }

    private ApplicationInfo generateApplicationInfoFromSettingsLP(String packageName, int flags) {
    PackageSetting ps = mSettings.mPackages.get(packageName);
    if(ps != null) {
    if(ps.pkg == null) {
    PackageInfo pInfo = generatePackageInfoFromSettingsLP(packageName, flags);
    if(pInfo != null) {
    return pInfo.applicationInfo;
    }
    return null;
    }
    return PackageParser.generateApplicationInfo(ps.pkg, flags);
    }
    return null;
    }

    private PackageInfo generatePackageInfoFromSettingsLP(String packageName, int flags) {
    PackageSetting ps = mSettings.mPackages.get(packageName);
    if(ps != null) {
    if(ps.pkg == null) {
    ps.pkg = new PackageParser.Package(packageName);
    ps.pkg.applicationInfo.packageName = packageName;
    ps.pkg.applicationInfo.flags = ps.pkgFlags;
    ps.pkg.applicationInfo.publicSourceDir = ps.resourcePathString;
    ps.pkg.applicationInfo.sourceDir = ps.codePathString;
    ps.pkg.applicationInfo.dataDir = getDataPathForPackage(ps.pkg).getPath();
    ps.pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString;
    ps.pkg.mSetEnabled = ps.enabled;
    }
    return generatePackageInfo(ps.pkg, flags);
    }
    return null;
    }

    public ApplicationInfo getApplicationInfo(String packageName, int flags) {
    synchronized (mPackages) {
    PackageParser.Package p = mPackages.get(packageName);
    if (Config.LOGV) Log.v(
    TAG, "getApplicationInfo " + packageName
    + ": " + p);
    if (p != null) {
    // Note: isEnabledLP() does not apply here - always return info
    return PackageParser.generateApplicationInfo(p, flags);
    }
    if ("android".equals(packageName)||"system".equals(packageName)) {
    return mAndroidApplication;
    }
    if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) {
    return generateApplicationInfoFromSettingsLP(packageName, flags);
    }
    }
    return null;
    }


    public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) {
    mContext.enforceCallingOrSelfPermission(
    android.Manifest.permission.CLEAR_APP_CACHE, null);
    // Queue up an async operation since clearing cache may take a little while.
    mHandler.post(new Runnable() {
    public void run() {
    mHandler.removeCallbacks(this);
    int retCode = -1;
    if (mInstaller != null) {
    retCode = mInstaller.freeCache(freeStorageSize);
    if (retCode < 0) {
    Slog.w(TAG, "Couldn't clear application caches");
    }
    } //end if mInstaller
    if (observer != null) {
    try {
    observer.onRemoveCompleted(null, (retCode >= 0));
    } catch (RemoteException e) {
    Slog.w(TAG, "RemoveException when invoking call back");
    }
    }
    }
    });
    }

    public void freeStorage(final long freeStorageSize, final IntentSender pi) {
    mContext.enforceCallingOrSelfPermission(
    android.Manifest.permission.CLEAR_APP_CACHE, null);
    // Queue up an async operation since clearing cache may take a little while.
    mHandler.post(new Runnable() {
    public void run() {
    mHandler.removeCallbacks(this);
    int retCode = -1;
    if (mInstaller != null) {
    retCode = mInstaller.freeCache(freeStorageSize);
    if (retCode < 0) {
    Slog.w(TAG, "Couldn't clear application caches");
    }
    }
    if(pi != null) {
    try {
    // Callback via pending intent
    int code = (retCode >= 0) ? 1 : 0;
    pi.sendIntent(null, code, null,
    null, null);
    } catch (SendIntentException e1) {
    Slog.i(TAG, "Failed to send pending intent");
    }
    }
    }
    });
    }

    public ActivityInfo getActivityInfo(ComponentName component, int flags) {
    synchronized (mPackages) {
    PackageParser.Activity a = mActivities.mActivities.get(component);

    if (Config.LOGV) Log.v(TAG, "getActivityInfo " + component + ": " + a);
    if (a != null && mSettings.isEnabledLP(a.info, flags)) {
    return PackageParser.generateActivityInfo(a, flags);
    }
    if (mResolveComponentName.equals(component)) {
    return mResolveActivity;
    }
    }
    return null;
    }

    public ActivityInfo getReceiverInfo(ComponentName component, int flags) {
    synchronized (mPackages) {
    PackageParser.Activity a = mReceivers.mActivities.get(component);
    if (Config.LOGV) Log.v(
    TAG, "getReceiverInfo " + component + ": " + a);
    if (a != null && mSettings.isEnabledLP(a.info, flags)) {
    return PackageParser.generateActivityInfo(a, flags);
    }
    }
    return null;
    }

    public ServiceInfo getServiceInfo(ComponentName component, int flags) {
    synchronized (mPackages) {
    PackageParser.Service s = mServices.mServices.get(component);
    if (Config.LOGV) Log.v(
    TAG, "getServiceInfo " + component + ": " + s);
    if (s != null && mSettings.isEnabledLP(s.info, flags)) {
    return PackageParser.generateServiceInfo(s, flags);
    }
    }
    return null;
    }

    public ProviderInfo getProviderInfo(ComponentName component, int flags) {
    synchronized (mPackages) {
    PackageParser.Provider p = mProvidersByComponent.get(component);
    if (Config.LOGV) Log.v(
    TAG, "getProviderInfo " + component + ": " + p);
    if (p != null && mSettings.isEnabledLP(p.info, flags)) {
    return PackageParser.generateProviderInfo(p, flags);
    }
    }
    return null;
    }

    public String[] getSystemSharedLibraryNames() {
    Set<String> libSet;
    synchronized (mPackages) {
    libSet = mSharedLibraries.keySet();
    int size = libSet.size();
    if (size > 0) {
    String[] libs = new String[size];
    libSet.toArray(libs);
    return libs;
    }
    }
    return null;
    }

    public FeatureInfo[] getSystemAvailableFeatures() {
    Collection<FeatureInfo> featSet;
    synchronized (mPackages) {
    featSet = mAvailableFeatures.values();
    int size = featSet.size();
    if (size > 0) {
    FeatureInfo[] features = new FeatureInfo[size+1];
    featSet.toArray(features);
    FeatureInfo fi = new FeatureInfo();
    fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version",
    FeatureInfo.GL_ES_VERSION_UNDEFINED);
    features[size] = fi;
    return features;
    }
    }
    return null;
    }

    public boolean hasSystemFeature(String name) {
    synchronized (mPackages) {
    return mAvailableFeatures.containsKey(name);
    }
    }

    public int checkPermission(String permName, String pkgName) {
    synchronized (mPackages) {
    PackageParser.Package p = mPackages.get(pkgName);
    if (p != null && p.mExtras != null) {
    PackageSetting ps = (PackageSetting)p.mExtras;
    if (ps.sharedUser != null) {
    if (ps.sharedUser.grantedPermissions.contains(permName)) {
    return PackageManager.PERMISSION_GRANTED;
    }
    } else if (ps.grantedPermissions.contains(permName)) {
    return PackageManager.PERMISSION_GRANTED;
    }
    }
    }
    return PackageManager.PERMISSION_DENIED;
    }

    public int checkUidPermission(String permName, int uid) {
    synchronized (mPackages) {
    Object obj = mSettings.getUserIdLP(uid);
    if (obj != null) {
    GrantedPermissions gp = (GrantedPermissions)obj;
    if (gp.grantedPermissions.contains(permName)) {
    return PackageManager.PERMISSION_GRANTED;
    }
    } else {
    HashSet<String> perms = mSystemPermissions.get(uid);
    if (perms != null && perms.contains(permName)) {
    return PackageManager.PERMISSION_GRANTED;
    }
    }
    }
    return PackageManager.PERMISSION_DENIED;
    }

    private BasePermission findPermissionTreeLP(String permName) {
    for(BasePermission bp : mSettings.mPermissionTrees.values()) {
    if (permName.startsWith(bp.name) &&
    permName.length() > bp.name.length() &&
    permName.charAt(bp.name.length()) == '.') {
    return bp;
    }
    }
    return null;
    }

    private BasePermission checkPermissionTreeLP(String permName) {
    if (permName != null) {
    BasePermission bp = findPermissionTreeLP(permName);
    if (bp != null) {
    if (bp.uid == Binder.getCallingUid()) {
    return bp;
    }
    throw new SecurityException("Calling uid "
    + Binder.getCallingUid()
    + " is not allowed to add to permission tree "
    + bp.name + " owned by uid " + bp.uid);
    }
    }
    throw new SecurityException("No permission tree found for " + permName);
    }

    static boolean compareStrings(CharSequence s1, CharSequence s2) {
    if (s1 == null) {
    return s2 == null;
    }
    if (s2 == null) {
    return false;
    }
    if (s1.getClass() != s2.getClass()) {
    return false;
    }
    return s1.equals(s2);
    }

    static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) {
    if (pi1.icon != pi2.icon) return false;
    if (pi1.logo != pi2.logo) return false;
    if (pi1.protectionLevel != pi2.protectionLevel) return false;
    if (!compareStrings(pi1.name, pi2.name)) return false;
    if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false;
    // We'll take care of setting this one.
    if (!compareStrings(pi1.packageName, pi2.packageName)) return false;
    // These are not currently stored in settings.
    //if (!compareStrings(pi1.group, pi2.group)) return false;
    //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false;
    //if (pi1.labelRes != pi2.labelRes) return false;
    //if (pi1.descriptionRes != pi2.descriptionRes) return false;
    return true;
    }

    boolean addPermissionLocked(PermissionInfo info, boolean async) {
    if (info.labelRes == 0 && info.nonLocalizedLabel == null) {
    throw new SecurityException("Label must be specified in permission");
    }
    BasePermission tree = checkPermissionTreeLP(info.name);
    BasePermission bp = mSettings.mPermissions.get(info.name);
    boolean added = bp == null;
    boolean changed = true;
    if (added) {
    bp = new BasePermission(info.name, tree.sourcePackage,
    BasePermission.TYPE_DYNAMIC);
    } else if (bp.type != BasePermission.TYPE_DYNAMIC) {
    throw new SecurityException(
    "Not allowed to modify non-dynamic permission "
    + info.name);
    } else {
    if (bp.protectionLevel == info.protectionLevel
    && bp.perm.owner.equals(tree.perm.owner)
    && bp.uid == tree.uid
    && comparePermissionInfos(bp.perm.info, info)) {
    changed = false;
    }
    }
    bp.protectionLevel = info.protectionLevel;
    bp.perm = new PackageParser.Permission(tree.perm.owner,
    new PermissionInfo(info));
    bp.perm.info.packageName = tree.perm.info.packageName;
    bp.uid = tree.uid;
    if (added) {
    mSettings.mPermissions.put(info.name, bp);
    }
    if (changed) {
    if (!async) {
    mSettings.writeLP();
    } else {
    scheduleWriteSettingsLocked();
    }
    }
    return added;
    }

    public boolean addPermission(PermissionInfo info) {
    synchronized (mPackages) {
    return addPermissionLocked(info, false);
    }
    }

    public boolean addPermissionAsync(PermissionInfo info) {
    synchronized (mPackages) {
    return addPermissionLocked(info, true);
    }
    }

    public void removePermission(String name) {
    synchronized (mPackages) {
    checkPermissionTreeLP(name);
    BasePermission bp = mSettings.mPermissions.get(name);
    if (bp != null) {
    if (bp.type != BasePermission.TYPE_DYNAMIC) {
    throw new SecurityException(
    "Not allowed to modify non-dynamic permission "
    + name);
    }
    mSettings.mPermissions.remove(name);
    mSettings.writeLP();
    }
    }
    }

    public boolean isProtectedBroadcast(String actionName) {
    synchronized (mPackages) {
    return mProtectedBroadcasts.contains(actionName);
    }
    }

    public int checkSignatures(String pkg1, String pkg2) {
    synchronized (mPackages) {
    PackageParser.Package p1 = mPackages.get(pkg1);
    PackageParser.Package p2 = mPackages.get(pkg2);
    if (p1 == null || p1.mExtras == null
    || p2 == null || p2.mExtras == null) {
    return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
    }
    return checkSignaturesLP(p1.mSignatures, p2.mSignatures);
    }
    }

    public int checkUidSignatures(int uid1, int uid2) {
    synchronized (mPackages) {
    Signature[] s1;
    Signature[] s2;
    Object obj = mSettings.getUserIdLP(uid1);
    if (obj != null) {
    if (obj instanceof SharedUserSetting) {
    s1 = ((SharedUserSetting)obj).signatures.mSignatures;
    } else if (obj instanceof PackageSetting) {
    s1 = ((PackageSetting)obj).signatures.mSignatures;
    } else {
    return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
    }
    } else {
    return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
    }
    obj = mSettings.getUserIdLP(uid2);
    if (obj != null) {
    if (obj instanceof SharedUserSetting) {
    s2 = ((SharedUserSetting)obj).signatures.mSignatures;
    } else if (obj instanceof PackageSetting) {
    s2 = ((PackageSetting)obj).signatures.mSignatures;
    } else {
    return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
    }
    } else {
    return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
    }
    return checkSignaturesLP(s1, s2);
    }
    }

    int checkSignaturesLP(Signature[] s1, Signature[] s2) {
    if (s1 == null) {
    return s2 == null
    ? PackageManager.SIGNATURE_NEITHER_SIGNED
    : PackageManager.SIGNATURE_FIRST_NOT_SIGNED;
    }
    if (s2 == null) {
    return PackageManager.SIGNATURE_SECOND_NOT_SIGNED;
    }
    HashSet<Signature> set1 = new HashSet<Signature>();
    for (Signature sig : s1) {
    set1.add(sig);
    }
    HashSet<Signature> set2 = new HashSet<Signature>();
    for (Signature sig : s2) {
    set2.add(sig);
    }
    // Make sure s2 contains all signatures in s1.
    if (set1.equals(set2)) {
    return PackageManager.SIGNATURE_MATCH;
    }
    return PackageManager.SIGNATURE_NO_MATCH;
    }

    public String[] getPackagesForUid(int uid) {
    synchronized (mPackages) {
    Object obj = mSettings.getUserIdLP(uid);
    if (obj instanceof SharedUserSetting) {
    SharedUserSetting sus = (SharedUserSetting)obj;
    final int N = sus.packages.size();
    String[] res = new String[N];
    Iterator<PackageSetting> it = sus.packages.iterator();
    int i=0;
    while (it.hasNext()) {
    res[i++] = it.next().name;
    }
    return res;
    } else if (obj instanceof PackageSetting) {
    PackageSetting ps = (PackageSetting)obj;
    return new String[] { ps.name };
    }
    }
    return null;
    }

    public String getNameForUid(int uid) {
    synchronized (mPackages) {
    Object obj = mSettings.getUserIdLP(uid);
    if (obj instanceof SharedUserSetting) {
    SharedUserSetting sus = (SharedUserSetting)obj;
    return sus.name + ":" + sus.userId;
    } else if (obj instanceof PackageSetting) {
    PackageSetting ps = (PackageSetting)obj;
    return ps.name;
    }
    }
    return null;
    }

    public int getUidForSharedUser(String sharedUserName) {
    if(sharedUserName == null) {
    return -1;
    }
    synchronized (mPackages) {
    SharedUserSetting suid = mSettings.getSharedUserLP(sharedUserName, 0, false);
    if(suid == null) {
    return -1;
    }
    return suid.userId;
    }
    }

    public ResolveInfo resolveIntent(Intent intent, String resolvedType,
    int flags) {
    List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags);
    return chooseBestActivity(intent, resolvedType, flags, query);
    }

    private ResolveInfo chooseBestActivity(Intent intent, String resolvedType,
    int flags, List<ResolveInfo> query) {
    if (query != null) {
    final int N = query.size();
    if (N == 1) {
    return query.get(0);
    } else if (N > 1) {
    // If there is more than one activity with the same priority,
    // then let the user decide between them.
    ResolveInfo r0 = query.get(0);
    ResolveInfo r1 = query.get(1);
    if (false) {
    System.out.println(r0.activityInfo.name +
    "=" + r0.priority + " vs " +
    r1.activityInfo.name +
    "=" + r1.priority);
    }
    // If the first activity has a higher priority, or a different
    // default, then it is always desireable to pick it.
    if (r0.priority != r1.priority
    || r0.preferredOrder != r1.preferredOrder
    || r0.isDefault != r1.isDefault) {
    return query.get(0);
    }
    // If we have saved a preference for a preferred activity for
    // this Intent, use that.
    ResolveInfo ri = findPreferredActivity(intent, resolvedType,
    flags, query, r0.priority);
    if (ri != null) {
    return ri;
    }
    return mResolveInfo;
    }
    }
    return null;
    }

    ResolveInfo findPreferredActivity(Intent intent, String resolvedType,
    int flags, List<ResolveInfo> query, int priority) {
    synchronized (mPackages) {
    if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION);
    List<PreferredActivity> prefs =
    mSettings.mPreferredActivities.queryIntent(intent, resolvedType,
    (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0);
    if (prefs != null && prefs.size() > 0) {
    // First figure out how good the original match set is.
    // We will only allow preferred activities that came
    // from the same match quality.
    int match = 0;
    final int N = query.size();
    if (DEBUG_PREFERRED) Log.v(TAG, "Figuring out best match...");
    for (int j=0; j<N; j++) {
    ResolveInfo ri = query.get(j);
    if (DEBUG_PREFERRED) Log.v(TAG, "Match for " + ri.activityInfo
    + ": 0x" + Integer.toHexString(match));
    if (ri.match > match) match = ri.match;
    }
    if (DEBUG_PREFERRED) Log.v(TAG, "Best match: 0x"
    + Integer.toHexString(match));
    match &= IntentFilter.MATCH_CATEGORY_MASK;
    final int M = prefs.size();
    for (int i=0; i<M; i++) {
    PreferredActivity pa = prefs.get(i);
    if (pa.mMatch != match) {
    continue;
    }
    ActivityInfo ai = getActivityInfo(pa.mActivity, flags);
    if (DEBUG_PREFERRED) {
    Log.v(TAG, "Got preferred activity:");
    if (ai != null) {
    ai.dump(new LogPrinter(Log.VERBOSE, TAG), " ");
    } else {
    Log.v(TAG, " null");
    }
    }
    if (ai != null) {
    for (int j=0; j<N; j++) {
    ResolveInfo ri = query.get(j);
    if (!ri.activityInfo.applicationInfo.packageName
    .equals(ai.applicationInfo.packageName)) {
    continue;
    }
    if (!ri.activityInfo.name.equals(ai.name)) {
    continue;
    }

    // Okay we found a previously set preferred app.
    // If the result set is different from when this
    // was created, we need to clear it and re-ask the
    // user their preference.
    if (!pa.sameSet(query, priority)) {
    Slog.i(TAG, "Result set changed, dropping preferred activity for "
    + intent + " type " + resolvedType);
    mSettings.mPreferredActivities.removeFilter(pa);
    return null;
    }

    // Yay!
    return ri;
    }
    }
    }
    }
    }
    return null;
    }

    public List<ResolveInfo> queryIntentActivities(Intent intent,
    String resolvedType, int flags) {
    ComponentName comp = intent.getComponent();
    if (comp != null) {
    List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
    ActivityInfo ai = getActivityInfo(comp, flags);
    if (ai != null) {
    ResolveInfo ri = new ResolveInfo();
    ri.activityInfo = ai;
    list.add(ri);
    }
    return list;
    }

    synchronized (mPackages) {
    String pkgName = intent.getPackage();
    if (pkgName == null) {
    return (List<ResolveInfo>)mActivities.queryIntent(intent,
    resolvedType, flags);
    }
    PackageParser.Package pkg = mPackages.get(pkgName);
    if (pkg != null) {
    return (List<ResolveInfo>) mActivities.queryIntentForPackage(intent,
    resolvedType, flags, pkg.activities);
    }
    return null;
    }
    }

    public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller,
    Intent[] specifics, String[] specificTypes, Intent intent,
    String resolvedType, int flags) {
    final String resultsAction = intent.getAction();

    List<ResolveInfo> results = queryIntentActivities(
    intent, resolvedType, flags|PackageManager.GET_RESOLVED_FILTER);
    if (Config.LOGV) Log.v(TAG, "Query " + intent + ": " + results);

    int specificsPos = 0;
    int N;

    // todo: note that the algorithm used here is O(N^2). This
    // isn't a problem in our current environment, but if we start running
    // into situations where we have more than 5 or 10 matches then this
    // should probably be changed to something smarter...

    // First we go through and resolve each of the specific items
    // that were supplied, taking care of removing any corresponding
    // duplicate items in the generic resolve list.
    if (specifics != null) {
    for (int i=0; i<specifics.length; i++) {
    final Intent sintent = specifics[i];
    if (sintent == null) {
    continue;
    }

    if (Config.LOGV) Log.v(TAG, "Specific #" + i + ": " + sintent);
    String action = sintent.getAction();
    if (resultsAction != null && resultsAction.equals(action)) {
    // If this action was explicitly requested, then don't
    // remove things that have it.
    action = null;
    }
    ComponentName comp = sintent.getComponent();
    ResolveInfo ri = null;
    ActivityInfo ai = null;
    if (comp == null) {
    ri = resolveIntent(
    sintent,
    specificTypes != null ? specificTypes[i] : null,
    flags);
    if (ri == null) {
    continue;
    }
    if (ri == mResolveInfo) {
    // ACK! Must do something better with this.
    }
    ai = ri.activityInfo;
    comp = new ComponentName(ai.applicationInfo.packageName,
    ai.name);
    } else {
    ai = getActivityInfo(comp, flags);
    if (ai == null) {
    continue;
    }
    }

    // Look for any generic query activities that are duplicates
    // of this specific one, and remove them from the results.
    if (Config.LOGV) Log.v(TAG, "Specific #" + i + ": " + ai);
    N = results.size();
    int j;
    for (j=specificsPos; j<N; j++) {
    ResolveInfo sri = results.get(j);
    if ((sri.activityInfo.name.equals(comp.getClassName())
    && sri.activityInfo.applicationInfo.packageName.equals(
    comp.getPackageName()))
    || (action != null && sri.filter.matchAction(action))) {
    results.remove(j);
    if (Config.LOGV) Log.v(
    TAG, "Removing duplicate item from " + j
    + " due to specific " + specificsPos);
    if (ri == null) {
    ri = sri;
    }
    j--;
    N--;
    }
    }

    // Add this specific item to its proper place.
    if (ri == null) {
    ri = new ResolveInfo();
    ri.activityInfo = ai;
    }
    results.add(specificsPos, ri);
    ri.specificIndex = i;
    specificsPos++;
    }
    }

    // Now we go through the remaining generic results and remove any
    // duplicate actions that are found here.
    N = results.size();
    for (int i=specificsPos; i<N-1; i++) {
    final ResolveInfo rii = results.get(i);
    if (rii.filter == null) {
    continue;
    }

    // Iterate over all of the actions of this result's intent
    // filter... typically this should be just one.
    final Iterator<String> it = rii.filter.actionsIterator();
    if (it == null) {
    continue;
    }
    while (it.hasNext()) {
    final String action = it.next();
    if (resultsAction != null && resultsAction.equals(action)) {
    // If this action was explicitly requested, then don't
    // remove things that have it.
    continue;
    }
    for (int j=i+1; j<N; j++) {
    final ResolveInfo rij = results.get(j);
    if (rij.filter != null && rij.filter.hasAction(action)) {
    results.remove(j);
    if (Config.LOGV) Log.v(
    TAG, "Removing duplicate item from " + j
    + " due to action " + action + " at " + i);
    j--;
    N--;
    }
    }
    }

    // If the caller didn't request filter information, drop it now
    // so we don't have to marshall/unmarshall it.
    if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) {
    rii.filter = null;
    }
    }

    // Filter out the caller activity if so requested.
    if (caller != null) {
    N = results.size();
    for (int i=0; i<N; i++) {
    ActivityInfo ainfo = results.get(i).activityInfo;
    if (caller.getPackageName().equals(ainfo.applicationInfo.packageName)
    && caller.getClassName().equals(ainfo.name)) {
    results.remove(i);
    break;
    }
    }
    }

    // If the caller didn't request filter information,
    // drop them now so we don't have to
    // marshall/unmarshall it.
    if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) {
    N = results.size();
    for (int i=0; i<N; i++) {
    results.get(i).filter = null;
    }
    }

    if (Config.LOGV) Log.v(TAG, "Result: " + results);
    return results;
    }

    public List<ResolveInfo> queryIntentReceivers(Intent intent,
    String resolvedType, int flags) {
    ComponentName comp = intent.getComponent();
    if (comp != null) {
    List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
    ActivityInfo ai = getReceiverInfo(comp, flags);
    if (ai != null) {
    ResolveInfo ri = new ResolveInfo();
    ri.activityInfo = ai;
    list.add(ri);
    }
    return list;
    }

    synchronized (mPackages) {
    String pkgName = intent.getPackage();
    if (pkgName == null) {
    return (List<ResolveInfo>)mReceivers.queryIntent(intent,
    resolvedType, flags);
    }
    PackageParser.Package pkg = mPackages.get(pkgName);
    if (pkg != null) {
    return (List<ResolveInfo>) mReceivers.queryIntentForPackage(intent,
    resolvedType, flags, pkg.receivers);
    }
    return null;
    }
    }

    public ResolveInfo resolveService(Intent intent, String resolvedType,
    int flags) {
    List<ResolveInfo> query = queryIntentServices(intent, resolvedType,
    flags);
    if (query != null) {
    if (query.size() >= 1) {
    // If there is more than one service with the same priority,
    // just arbitrarily pick the first one.
    return query.get(0);
    }
    }
    return null;
    }

    public List<ResolveInfo> queryIntentServices(Intent intent,
    String resolvedType, int flags) {
    ComponentName comp = intent.getComponent();
    if (comp != null) {
    List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
    ServiceInfo si = getServiceInfo(comp, flags);
    if (si != null) {
    ResolveInfo ri = new ResolveInfo();
    ri.serviceInfo = si;
    list.add(ri);
    }
    return list;
    }

    synchronized (mPackages) {
    String pkgName = intent.getPackage();
    if (pkgName == null) {
    return (List<ResolveInfo>)mServices.queryIntent(intent,
    resolvedType, flags);
    }
    PackageParser.Package pkg = mPackages.get(pkgName);
    if (pkg != null) {
    return (List<ResolveInfo>)mServices.queryIntentForPackage(intent,
    resolvedType, flags, pkg.services);
    }
    return null;
    }
    }

    public List<PackageInfo> getInstalledPackages(int flags) {
    ArrayList<PackageInfo> finalList = new ArrayList<PackageInfo>();

    synchronized (mPackages) {
    if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) {
    Iterator<PackageSetting> i = mSettings.mPackages.values().iterator();
    while (i.hasNext()) {
    final PackageSetting ps = i.next();
    PackageInfo psPkg = generatePackageInfoFromSettingsLP(ps.name, flags);
    if(psPkg != null) {
    finalList.add(psPkg);
    }
    }
    }
    else {
    Iterator<PackageParser.Package> i = mPackages.values().iterator();
    while (i.hasNext()) {
    final PackageParser.Package p = i.next();
    if (p.applicationInfo != null) {
    PackageInfo pi = generatePackageInfo(p, flags);
    if(pi != null) {
    finalList.add(pi);
    }
    }
    }
    }
    }
    return finalList;
    }

    public List<ApplicationInfo> getInstalledApplications(int flags) {
    ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>();
    synchronized(mPackages) {
    if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) {
    Iterator<PackageSetting> i = mSettings.mPackages.values().iterator();
    while (i.hasNext()) {
    final PackageSetting ps = i.next();
    ApplicationInfo ai = generateApplicationInfoFromSettingsLP(ps.name, flags);
    if(ai != null) {
    finalList.add(ai);
    }
    }
    }
    else {
    Iterator<PackageParser.Package> i = mPackages.values().iterator();
    while (i.hasNext()) {
    final PackageParser.Package p = i.next();
    if (p.applicationInfo != null) {
    ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags);
    if(ai != null) {
    finalList.add(ai);
    }
    }
    }
    }
    }
    return finalList;
    }

    public List<ApplicationInfo> getPersistentApplications(int flags) {
    ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>();

    synchronized (mPackages) {
    Iterator<PackageParser.Package> i = mPackages.values().iterator();
    while (i.hasNext()) {
    PackageParser.Package p = i.next();
    if (p.applicationInfo != null
    && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0
    && (!mSafeMode || isSystemApp(p))) {
    finalList.add(PackageParser.generateApplicationInfo(p, flags));
    }
    }
    }

    return finalList;
    }

    public ProviderInfo resolveContentProvider(String name, int flags) {
    synchronized (mPackages) {
    final PackageParser.Provider provider = mProviders.get(name);
    return provider != null
    && mSettings.isEnabledLP(provider.info, flags)
    && (!mSafeMode || (provider.info.applicationInfo.flags
    &ApplicationInfo.FLAG_SYSTEM) != 0)
    ? PackageParser.generateProviderInfo(provider, flags)
    : null;
    }
    }

    /**
    * @deprecated
    */
    public void querySyncProviders(List outNames, List outInfo) {
    synchronized (mPackages) {
    Iterator<Map.Entry<String, PackageParser.Provider>> i
    = mProviders.entrySet().iterator();

    while (i.hasNext()) {
    Map.Entry<String, PackageParser.Provider> entry = i.next();
    PackageParser.Provider p = entry.getValue();

    if (p.syncable
    && (!mSafeMode || (p.info.applicationInfo.flags
    &ApplicationInfo.FLAG_SYSTEM) != 0)) {
    outNames.add(entry.getKey());
    outInfo.add(PackageParser.generateProviderInfo(p, 0));
    }
    }
    }
    }

    public List<ProviderInfo> queryContentProviders(String processName,
    int uid, int flags) {
    ArrayList<ProviderInfo> finalList = null;

    synchronized (mPackages) {
    Iterator<PackageParser.Provider> i = mProvidersByComponent.values().iterator();
    while (i.hasNext()) {
    PackageParser.Provider p = i.next();
    if (p.info.authority != null
    && (processName == null ||
    (p.info.processName.equals(processName)
    && p.info.applicationInfo.uid == uid))
    && mSettings.isEnabledLP(p.info, flags)
    && (!mSafeMode || (p.info.applicationInfo.flags
    &ApplicationInfo.FLAG_SYSTEM) != 0)) {
    if (finalList == null) {
    finalList = new ArrayList<ProviderInfo>(3);
    }
    finalList.add(PackageParser.generateProviderInfo(p,
    flags));
    }
    }
    }

    if (finalList != null) {
    Collections.sort(finalList, mProviderInitOrderSorter);
    }

    return finalList;
    }

    public InstrumentationInfo getInstrumentationInfo(ComponentName name,
    int flags) {
    synchronized (mPackages) {
    final PackageParser.Instrumentation i = mInstrumentation.get(name);
    return PackageParser.generateInstrumentationInfo(i, flags);
    }
    }

    public List<InstrumentationInfo> queryInstrumentation(String targetPackage,
    int flags) {
    ArrayList<InstrumentationInfo> finalList =
    new ArrayList<InstrumentationInfo>();

    synchronized (mPackages) {
    Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator();
    while (i.hasNext()) {
    PackageParser.Instrumentation p = i.next();
    if (targetPackage == null
    || targetPackage.equals(p.info.targetPackage)) {
    finalList.add(PackageParser.generateInstrumentationInfo(p,
    flags));
    }
    }
    }

    return finalList;
    }

    private void scanDirLI(File dir, int flags, int scanMode, long currentTime) {
    String[] files = dir.list();
    if (files == null) {
    Log.d(TAG, "No files in app dir " + dir);
    return;
    }

    if (false) {
    Log.d(TAG, "Scanning app dir " + dir);
    }

    int i;
    for (i=0; i<files.length; i++) {
    File file = new File(dir, files[i]);
    if (!isPackageFilename(files[i])) {
    // Ignore entries which are not apk's
    continue;
    }
    PackageParser.Package pkg = scanPackageLI(file,
    flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime);
    // Don't mess around with apps in system partition.
    if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 &&
    mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) {
    // Delete the apk
    Slog.w(TAG, "Cleaning up failed install of " + file);
    file.delete();
    }
    }
    }

    private static File getSettingsProblemFile() {
    File dataDir = Environment.getDataDirectory();
    File systemDir = new File(dataDir, "system");
    File fname = new File(systemDir, "uiderrors.txt");
    return fname;
    }

    private static void reportSettingsProblem(int priority, String msg) {
    try {
    File fname = getSettingsProblemFile();
    FileOutputStream out = new FileOutputStream(fname, true);
    PrintWriter pw = new PrintWriter(out);
    SimpleDateFormat formatter = new SimpleDateFormat();
    String dateString = formatter.format(new Date(System.currentTimeMillis()));
    pw.println(dateString + ": " + msg);
    pw.close();
    FileUtils.setPermissions(
    fname.toString(),
    FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH,
    -1, -1);
    } catch (java.io.IOException e) {
    }
    Slog.println(priority, TAG, msg);
    }

    private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps,
    PackageParser.Package pkg, File srcFile, int parseFlags) {
    if (GET_CERTIFICATES) {
    if (ps != null
    && ps.codePath.equals(srcFile)
    && ps.timeStamp == srcFile.lastModified()) {
    if (ps.signatures.mSignatures != null
    && ps.signatures.mSignatures.length != 0) {
    // Optimization: reuse the existing cached certificates
    // if the package appears to be unchanged.
    pkg.mSignatures = ps.signatures.mSignatures;
    return true;
    }

    Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them.");
    } else {
    Log.i(TAG, srcFile.toString() + " changed; collecting certs");
    }

    if (!pp.collectCertificates(pkg, parseFlags)) {
    mLastScanError = pp.getParseError();
    return false;
    }
    }
    return true;
    }

    /*
    * Scan a package and return the newly parsed package.
    * Returns null in case of errors and the error code is stored in mLastScanError
    */
    private PackageParser.Package scanPackageLI(File scanFile,
    int parseFlags, int scanMode, long currentTime) {
    mLastScanError = PackageManager.INSTALL_SUCCEEDED;
    String scanPath = scanFile.getPath();
    parseFlags |= mDefParseFlags;
    PackageParser pp = new PackageParser(scanPath);
    pp.setSeparateProcesses(mSeparateProcesses);
    final PackageParser.Package pkg = pp.parsePackage(scanFile,
    scanPath, mMetrics, parseFlags);
    if (pkg == null) {
    mLastScanError = pp.getParseError();
    return null;
    }
    PackageSetting ps = null;
    PackageSetting updatedPkg;
    synchronized (mPackages) {
    // Look to see if we already know about this package.
    String oldName = mSettings.mRenamedPackages.get(pkg.packageName);
    if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) {
    // This package has been renamed to its original name. Let's
    // use that.
    ps = mSettings.peekPackageLP(oldName);
    }
    // If there was no original package, see one for the real package name.
    if (ps == null) {
    ps = mSettings.peekPackageLP(pkg.packageName);
    }
    // Check to see if this package could be hiding/updating a system
    // package. Must look for it either under the original or real
    // package name depending on our state.
    updatedPkg = mSettings.mDisabledSysPackages.get(
    ps != null ? ps.name : pkg.packageName);
    }
    // First check if this is a system package that may involve an update
    if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) {
    if (ps != null && !ps.codePath.equals(scanFile)) {
    // The path has changed from what was last scanned... check the
    // version of the new path against what we have stored to determine
    // what to do.
    if (pkg.mVersionCode < ps.versionCode) {
    // The system package has been updated and the code path does not match
    // Ignore entry. Skip it.
    Log.i(TAG, "Package " + ps.name + " at " + scanFile
    + " ignored: updated version " + ps.versionCode
    + " better than this " + pkg.mVersionCode);
    mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE;
    return null;
    } else {
    // The current app on the system partion is better than
    // what we have updated to on the data partition; switch
    // back to the system partition version.
    // At this point, its safely assumed that package installation for
    // apps in system partition will go through. If not there won't be a working
    // version of the app
    synchronized (mPackages) {
    // Just remove the loaded entries from package lists.
    mPackages.remove(ps.name);
    }
    Slog.w(TAG, "Package " + ps.name + " at " + scanFile
    + "reverting from " + ps.codePathString
    + ": new version " + pkg.mVersionCode
    + " better than installed " + ps.versionCode);
    InstallArgs args = new FileInstallArgs(ps.codePathString,
    ps.resourcePathString, ps.nativeLibraryPathString);
    args.cleanUpResourcesLI();
    mSettings.enableSystemPackageLP(ps.name);
    }
    }
    }
    if (updatedPkg != null) {
    // An updated system app will not have the PARSE_IS_SYSTEM flag set initially
    parseFlags |= PackageParser.PARSE_IS_SYSTEM;
    }
    // Verify certificates against what was last scanned
    if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) {
    Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName);
    return null;
    }
    // The apk is forward locked (not public) if its code and resources
    // are kept in different files.
    // TODO grab this value from PackageSettings
    if (ps != null && !ps.codePath.equals(ps.resourcePath)) {
    parseFlags |= PackageParser.PARSE_FORWARD_LOCK;
    }

    String codePath = null;
    String resPath = null;
    if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0) {
    if (ps != null && ps.resourcePathString != null) {
    resPath = ps.resourcePathString;
    } else {
    // Should not happen at all. Just log an error.
    Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName);
    }
    } else {
    resPath = pkg.mScanPath;
    }
    codePath = pkg.mScanPath;
    // Set application objects path explicitly.
    setApplicationInfoPaths(pkg, codePath, resPath);
    // Note that we invoke the following method only if we are about to unpack an application
    return scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_SIGNATURE, currentTime);
    }

    private static void setApplicationInfoPaths(PackageParser.Package pkg, String destCodePath,
    String destResPath) {
    pkg.mPath = pkg.mScanPath = destCodePath;
    pkg.applicationInfo.sourceDir = destCodePath;
    pkg.applicationInfo.publicSourceDir = destResPath;
    }

    private static String fixProcessName(String defProcessName,
    String processName, int uid) {
    if (processName == null) {
    return defProcessName;
    }
    return processName;
    }

    private boolean verifySignaturesLP(PackageSetting pkgSetting,
    PackageParser.Package pkg) {
    if (pkgSetting.signatures.mSignatures != null) {
    // Already existing package. Make sure signatures match
    if (checkSignaturesLP(pkgSetting.signatures.mSignatures, pkg.mSignatures) !=
    PackageManager.SIGNATURE_MATCH) {
    Slog.e(TAG, "Package " + pkg.packageName
    + " signatures do not match the previously installed version; ignoring!");
    mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE;
    return false;
    }
    }
    // Check for shared user signatures
    if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) {
    if (checkSignaturesLP(pkgSetting.sharedUser.signatures.mSignatures,
    pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) {
    Slog.e(TAG, "Package " + pkg.packageName
    + " has no signatures that match those in shared user "
    + pkgSetting.sharedUser.name + "; ignoring!");
    mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE;
    return false;
    }
    }
    return true;
    }

    public boolean performDexOpt(String packageName) {
    if (!mNoDexOpt) {
    return false;
    }

    PackageParser.Package p;
    synchronized (mPackages) {
    p = mPackages.get(packageName);
    if (p == null || p.mDidDexOpt) {
    return false;
    }
    }
    synchronized (mInstallLock) {
    return performDexOptLI(p, false) == DEX_OPT_PERFORMED;
    }
    }

    static final int DEX_OPT_SKIPPED = 0;
    static final int DEX_OPT_PERFORMED = 1;
    static final int DEX_OPT_FAILED = -1;

    private int performDexOptLI(PackageParser.Package pkg, boolean forceDex) {
    boolean performed = false;
    if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0 && mInstaller != null) {
    String path = pkg.mScanPath;
    int ret = 0;
    try {
    if (forceDex || dalvik.system.DexFile.isDexOptNeeded(path)) {
    ret = mInstaller.dexopt(path, pkg.applicationInfo.uid,
    !isForwardLocked(pkg));
    pkg.mDidDexOpt = true;
    performed = true;
    }
    } catch (FileNotFoundException e) {
    Slog.w(TAG, "Apk not found for dexopt: " + path);
    ret = -1;
    } catch (IOException e) {
    Slog.w(TAG, "IOException reading apk: " + path, e);
    ret = -1;
    } catch (dalvik.system.StaleDexCacheError e) {
    Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e);
    ret = -1;
    } catch (Exception e) {
    Slog.w(TAG, "Exception when doing dexopt : ", e);
    ret = -1;
    }
    if (ret < 0) {
    //error from installer
    return DEX_OPT_FAILED;
    }
    }

    return performed ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED;
    }

    private static boolean useEncryptedFilesystemForPackage(PackageParser.Package pkg) {
    return Environment.isEncryptedFilesystemEnabled() &&
    ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_NEVER_ENCRYPT) == 0);
    }

    private boolean verifyPackageUpdate(PackageSetting oldPkg, PackageParser.Package newPkg) {
    if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) {
    Slog.w(TAG, "Unable to update from " + oldPkg.name
    + " to " + newPkg.packageName
    + ": old package not in system partition");
    return false;
    } else if (mPackages.get(oldPkg.name) != null) {
    Slog.w(TAG, "Unable to update from " + oldPkg.name
    + " to " + newPkg.packageName
    + ": old package still exists");
    return false;
    }
    return true;
    }

    private File getDataPathForPackage(PackageParser.Package pkg) {
    boolean useEncryptedFSDir = useEncryptedFilesystemForPackage(pkg);
    File dataPath;
    if (useEncryptedFSDir) {
    dataPath = new File(mSecureAppDataDir, pkg.packageName);
    } else {
    dataPath = new File(mAppDataDir, pkg.packageName);
    }
    return dataPath;
    }

    private PackageParser.Package scanPackageLI(PackageParser.Package pkg,
    int parseFlags, int scanMode, long currentTime) {
    File scanFile = new File(pkg.mScanPath);
    if (scanFile == null || pkg.applicationInfo.sourceDir == null ||
    pkg.applicationInfo.publicSourceDir == null) {
    // Bail out. The resource and code paths haven't been set.
    Slog.w(TAG, " Code and resource paths haven't been set correctly");
    mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK;
    return null;
    }
    mScanningPath = scanFile;
    if (pkg == null) {
    mLastScanError = PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME;
    return null;
    }

    if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) {
    pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM;
    }

    if (pkg.packageName.equals("android")) {
    synchronized (mPackages) {
    if (mAndroidApplication != null) {
    Slog.w(TAG, "*************************************************");
    Slog.w(TAG, "Core android package being redefined. Skipping.");
    Slog.w(TAG, " file=" + mScanningPath);
    Slog.w(TAG, "*************************************************");
    mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE;
    return null;
    }

    // Set up information for our fall-back user intent resolution
    // activity.
    mPlatformPackage = pkg;
    pkg.mVersionCode = mSdkVersion;
    mAndroidApplication = pkg.applicationInfo;
    mResolveActivity.applicationInfo = mAndroidApplication;
    mResolveActivity.name = ResolverActivity.class.getName();
    mResolveActivity.packageName = mAndroidApplication.packageName;
    mResolveActivity.processName = mAndroidApplication.processName;
    mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE;
    mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS;
    mResolveActivity.theme = com.android.internal.R.style.Theme_Dialog_Alert;
    mResolveActivity.exported = true;
    mResolveActivity.enabled = true;
    mResolveInfo.activityInfo = mResolveActivity;
    mResolveInfo.priority = 0;
    mResolveInfo.preferredOrder = 0;
    mResolveInfo.match = 0;
    mResolveComponentName = new ComponentName(
    mAndroidApplication.packageName, mResolveActivity.name);
    }
    }

    if ((parseFlags&PackageParser.PARSE_CHATTY) != 0 && Config.LOGD) Log.d(
    TAG, "Scanning package " + pkg.packageName);
    if (mPackages.containsKey(pkg.packageName)
    || mSharedLibraries.containsKey(pkg.packageName)) {
    Slog.w(TAG, "Application package " + pkg.packageName
    + " already installed. Skipping duplicate.");
    mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE;
    return null;
    }

    // Initialize package source and resource directories
    File destCodeFile = new File(pkg.applicationInfo.sourceDir);
    File destResourceFile = new File(pkg.applicationInfo.publicSourceDir);

    SharedUserSetting suid = null;
    PackageSetting pkgSetting = null;

    if (!isSystemApp(pkg)) {
    // Only system apps can use these features.
    pkg.mOriginalPackages = null;
    pkg.mRealPackage = null;
    pkg.mAdoptPermissions = null;
    }

    synchronized (mPackages) {
    // Check all shared libraries and map to their actual file path.
    if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) {
    if (mTmpSharedLibraries == null ||
    mTmpSharedLibraries.length < mSharedLibraries.size()) {
    mTmpSharedLibraries = new String[mSharedLibraries.size()];
    }
    int num = 0;
    int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0;
    for (int i=0; i<N; i++) {
    String file = mSharedLibraries.get(pkg.usesLibraries.get(i));
    if (file == null) {
    Slog.e(TAG, "Package " + pkg.packageName
    + " requires unavailable shared library "
    + pkg.usesLibraries.get(i) + "; failing!");
    mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY;
    return null;
    }
    mTmpSharedLibraries[num] = file;
    num++;
    }
    N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0;
    for (int i=0; i<N; i++) {
    String file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i));
    if (file == null) {
    Slog.w(TAG, "Package " + pkg.packageName
    + " desires unavailable shared library "
    + pkg.usesOptionalLibraries.get(i) + "; ignoring!");
    } else {
    mTmpSharedLibraries[num] = file;
    num++;
    }
    }
    if (num > 0) {
    pkg.usesLibraryFiles = new String[num];
    System.arraycopy(mTmpSharedLibraries, 0,
    pkg.usesLibraryFiles, 0, num);
    }
    }

    if (pkg.mSharedUserId != null) {
    suid = mSettings.getSharedUserLP(pkg.mSharedUserId,
    pkg.applicationInfo.flags, true);
    if (suid == null) {
    Slog.w(TAG, "Creating application package " + pkg.packageName
    + " for shared user failed");
    mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
    return null;
    }
    if ((parseFlags&PackageParser.PARSE_CHATTY) != 0 && Config.LOGD) {
    Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid="
    + suid.userId + "): packages=" + suid.packages);
    }
    }

    if (false) {
    if (pkg.mOriginalPackages != null) {
    Log.w(TAG, "WAITING FOR DEBUGGER");
    Debug.waitForDebugger();
    Log.i(TAG, "Package " + pkg.packageName + " from original packages"
    + pkg.mOriginalPackages);
    }
    }

    // Check if we are renaming from an original package name.
    PackageSetting origPackage = null;
    String realName = null;
    if (pkg.mOriginalPackages != null) {
    // This package may need to be renamed to a previously
    // installed name. Let's check on that...
    String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage);
    if (pkg.mOriginalPackages.contains(renamed)) {
    // This package had originally been installed as the
    // original name, and we have already taken care of
    // transitioning to the new one. Just update the new
    // one to continue using the old name.
    realName = pkg.mRealPackage;
    if (!pkg.packageName.equals(renamed)) {
    // Callers into this function may have already taken
    // care of renaming the package; only do it here if
    // it is not already done.
    pkg.setPackageName(renamed);
    }

    } else {
    for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) {
    if ((origPackage=mSettings.peekPackageLP(
    pkg.mOriginalPackages.get(i))) != null) {
    // We do have the package already installed under its
    // original name... should we use it?
    if (!verifyPackageUpdate(origPackage, pkg)) {
    // New package is not compatible with original.
    origPackage = null;
    continue;
    } else if (origPackage.sharedUser != null) {
    // Make sure uid is compatible between packages.
    if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) {
    Slog.w(TAG, "Unable to migrate data from " + origPackage.name
    + " to " + pkg.packageName + ": old uid "
    + origPackage.sharedUser.name
    + " differs from " + pkg.mSharedUserId);
    origPackage = null;
    continue;
    }
    } else {
    if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package "
    + pkg.packageName + " to old name " + origPackage.name);
    }
    break;
    }
    }
    }
    }

    if (mTransferedPackages.contains(pkg.packageName)) {
    Slog.w(TAG, "Package " + pkg.packageName
    + " was transferred to another, but its .apk remains");
    }

    // Just create the setting, don't add it yet. For already existing packages
    // the PkgSetting exists already and doesn't have to be created.
    pkgSetting = mSettings.getPackageLP(pkg, origPackage, realName, suid, destCodeFile,
    destResourceFile, pkg.applicationInfo.nativeLibraryDir,
    pkg.applicationInfo.flags, true, false);
    if (pkgSetting == null) {
    Slog.w(TAG, "Creating application package " + pkg.packageName + " failed");
    mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
    return null;
    }

    if (pkgSetting.origPackage != null) {
    // If we are first transitioning from an original package,
    // fix up the new package's name now. We need to do this after
    // looking up the package under its new name, so getPackageLP
    // can take care of fiddling things correctly.
    pkg.setPackageName(origPackage.name);

    // File a report about this.
    String msg = "New package " + pkgSetting.realName
    + " renamed to replace old package " + pkgSetting.name;
    reportSettingsProblem(Log.WARN, msg);

    // Make a note of it.
    mTransferedPackages.add(origPackage.name);

    // No longer need to retain this.
    pkgSetting.origPackage = null;
    }

    if (realName != null) {
    // Make a note of it.
    mTransferedPackages.add(pkg.packageName);
    }

    if (mSettings.mDisabledSysPackages.get(pkg.packageName) != null) {
    pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP;
    }

    pkg.applicationInfo.uid = pkgSetting.userId;
    pkg.mExtras = pkgSetting;

    if (!verifySignaturesLP(pkgSetting, pkg)) {
    if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) {
    return null;
    }
    // The signature has changed, but this package is in the system
    // image... let's recover!
    pkgSetting.signatures.mSignatures = pkg.mSignatures;
    // However... if this package is part of a shared user, but it
    // doesn't match the signature of the shared user, let's fail.
    // What this means is that you can't change the signatures
    // associated with an overall shared user, which doesn't seem all
    // that unreasonable.
    if (pkgSetting.sharedUser != null) {
    if (checkSignaturesLP(pkgSetting.sharedUser.signatures.mSignatures,
    pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) {
    Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser);
    mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES;
    return null;
    }
    }
    // File a report about this.
    String msg = "System package " + pkg.packageName
    + " signature changed; retaining data.";
    reportSettingsProblem(Log.WARN, msg);
    }

    // Verify that this new package doesn't have any content providers
    // that conflict with existing packages. Only do this if the
    // package isn't already installed, since we don't want to break
    // things that are installed.
    if ((scanMode&SCAN_NEW_INSTALL) != 0) {
    int N = pkg.providers.size();
    int i;
    for (i=0; i<N; i++) {
    PackageParser.Provider p = pkg.providers.get(i);
    if (p.info.authority != null) {
    String names[] = p.info.authority.split(";");
    for (int j = 0; j < names.length; j++) {
    if (mProviders.containsKey(names[j])) {
    PackageParser.Provider other = mProviders.get(names[j]);
    Slog.w(TAG, "Can't install because provider name " + names[j] +
    " (in package " + pkg.applicationInfo.packageName +
    ") is already used by "
    + ((other != null && other.getComponentName() != null)
    ? other.getComponentName().getPackageName() : "?"));
    mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER;
    return null;
    }
    }
    }
    }
    }
    }

    final String pkgName = pkg.packageName;

    if (pkg.mAdoptPermissions != null) {
    // This package wants to adopt ownership of permissions from
    // another package.
    for (int i=pkg.mAdoptPermissions.size()-1; i>=0; i--) {
    String origName = pkg.mAdoptPermissions.get(i);
    PackageSetting orig = mSettings.peekPackageLP(origName);
    if (orig != null) {
    if (verifyPackageUpdate(orig, pkg)) {
    Slog.i(TAG, "Adopting permissions from "
    + origName + " to " + pkg.packageName);
    mSettings.transferPermissions(origName, pkg.packageName);
    }
    }
    }
    }

    final long scanFileTime = scanFile.lastModified();
    final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0;
    final boolean scanFileNewer = forceDex || scanFileTime != pkgSetting.timeStamp;
    pkg.applicationInfo.processName = fixProcessName(
    pkg.applicationInfo.packageName,
    pkg.applicationInfo.processName,
    pkg.applicationInfo.uid);

    File dataPath;
    if (mPlatformPackage == pkg) {
    // The system package is special.
    dataPath = new File (Environment.getDataDirectory(), "system");
    pkg.applicationInfo.dataDir = dataPath.getPath();
    } else {
    // This is a normal package, need to make its data directory.
    boolean useEncryptedFSDir = useEncryptedFilesystemForPackage(pkg);
    dataPath = getDataPathForPackage(pkg);

    boolean uidError = false;

    if (dataPath.exists()) {
    mOutPermissions[1] = 0;
    FileUtils.getPermissions(dataPath.getPath(), mOutPermissions);

    // If we have mismatched owners for the data path, we have a
    // problem (unless we're running in the simulator.)
    if (mOutPermissions[1] != pkg.applicationInfo.uid && Process.supportsProcesses()) {
    boolean recovered = false;
    if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) {
    // If this is a system app, we can at least delete its
    // current data so the application will still work.
    if (mInstaller != null) {
    int ret = mInstaller.remove(pkgName, useEncryptedFSDir);
    if (ret >= 0) {
    // Old data gone!
    String msg = "System package " + pkg.packageName
    + " has changed from uid: "
    + mOutPermissions[1] + " to "
    + pkg.applicationInfo.uid + "; old data erased";
    reportSettingsProblem(Log.WARN, msg);
    recovered = true;

    // And now re-install the app.
    ret = mInstaller.install(pkgName, useEncryptedFSDir, pkg.applicationInfo.uid,
    pkg.applicationInfo.uid);
    if (ret == -1) {
    // Ack should not happen!
    msg = "System package " + pkg.packageName
    + " could not have data directory re-created after delete.";
    reportSettingsProblem(Log.WARN, msg);
    mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
    return null;
    }
    }
    }
    if (!recovered) {
    mHasSystemUidErrors = true;
    }
    }
    if (!recovered) {
    pkg.applicationInfo.dataDir = "/mismatched_uid/settings_"
    + pkg.applicationInfo.uid + "/fs_"
    + mOutPermissions[1];
    pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir;
    String msg = "Package " + pkg.packageName
    + " has mismatched uid: "
    + mOutPermissions[1] + " on disk, "
    + pkg.applicationInfo.uid + " in settings";
    synchronized (mPackages) {
    mSettings.mReadMessages.append(msg);
    mSettings.mReadMessages.append('\n');
    uidError = true;
    if (!pkgSetting.uidError) {
    reportSettingsProblem(Log.ERROR, msg);
    }
    }
    }
    }
    pkg.applicationInfo.dataDir = dataPath.getPath();
    } else {
    if ((parseFlags&PackageParser.PARSE_CHATTY) != 0 && Config.LOGV)
    Log.v(TAG, "Want this data dir: " + dataPath);
    //invoke installer to do the actual installation
    if (mInstaller != null) {
    int ret = mInstaller.install(pkgName, useEncryptedFSDir, pkg.applicationInfo.uid,
    pkg.applicationInfo.uid);
    if(ret < 0) {
    // Error from installer
    mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
    return null;
    }
    } else {
    dataPath.mkdirs();
    if (dataPath.exists()) {
    FileUtils.setPermissions(
    dataPath.toString(),
    FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IXOTH,
    pkg.applicationInfo.uid, pkg.applicationInfo.uid);
    }
    }
    if (dataPath.exists()) {
    pkg.applicationInfo.dataDir = dataPath.getPath();
    } else {
    Slog.w(TAG, "Unable to create data directory: " + dataPath);
    pkg.applicationInfo.dataDir = null;
    }
    }

    /*
    * Set the data dir to the default "/data/data/<package name>/lib"
    * if we got here without anyone telling us different (e.g., apps
    * stored on SD card have their native libraries stored in the ASEC
    * container with the APK).
    *
    * This happens during an upgrade from a package settings file that
    * doesn't have a native library path attribute at all.
    */
    if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) {
    if (pkgSetting.nativeLibraryPathString == null) {
    final String nativeLibraryPath = new File(dataPath, LIB_DIR_NAME).getPath();
    pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath;
    pkgSetting.nativeLibraryPathString = nativeLibraryPath;
    } else {
    pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString;
    }
    }

    pkgSetting.uidError = uidError;
    }

    // If we're running in the simulator, we don't need to unpack anything.
    if (mInstaller != null) {
    String path = scanFile.getPath();
    /* Note: We don't want to unpack the native binaries for
    * system applications, unless they have been updated
    * (the binaries are already under /system/lib).
    * Also, don't unpack libs for apps on the external card
    * since they should have their libraries in the ASEC
    * container already.
    *
    * In other words, we're going to unpack the binaries
    * only for non-system apps and system app upgrades.
    */
    if (pkg.applicationInfo.nativeLibraryDir != null) {
    final File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir);
    final String dataPathString = dataPath.getPath();

    if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) {
    /*
    * Upgrading from a previous version of the OS sometimes
    * leaves native libraries in the /data/data/<app>/lib
    * directory for system apps even when they shouldn't be.
    * Recent changes in the JNI library search path
    * necessitates we remove those to match previous behavior.
    */
    if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) {
    Log.i(TAG, "removed obsolete native libraries for system package " + path);
    }
    } else if (nativeLibraryDir.getParent().equals(dataPathString)) {
    /*
    * If this is an internal application or our
    * nativeLibraryPath points to our data directory, unpack
    * the libraries. The native library path pointing to the
    * data directory for an application in an ASEC container
    * can happen for older apps that existed before an OTA to
    * Gingerbread.
    */
    Slog.i(TAG, "Unpacking native libraries for " + path);
    mInstaller.unlinkNativeLibraryDirectory(dataPathString);
    NativeLibraryHelper.copyNativeBinariesLI(scanFile, nativeLibraryDir);
    } else {
    Slog.i(TAG, "Linking native library dir for " + path);
    mInstaller.linkNativeLibraryDirectory(dataPathString,
    pkg.applicationInfo.nativeLibraryDir);
    }
    }
    pkg.mScanPath = path;

    if ((scanMode&SCAN_NO_DEX) == 0) {
    if (performDexOptLI(pkg, forceDex) == DEX_OPT_FAILED) {
    mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT;
    return null;
    }
    }
    }

    if (mFactoryTest && pkg.requestedPermissions.contains(
    android.Manifest.permission.FACTORY_TEST)) {
    pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST;
    }

    // Request the ActivityManager to kill the process(only for existing packages)
    // so that we do not end up in a confused state while the user is still using the older
    // version of the application while the new one gets installed.
    if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) {
    killApplication(pkg.applicationInfo.packageName,
    pkg.applicationInfo.uid);
    }

    synchronized (mPackages) {
    // We don't expect installation to fail beyond this point,
    if ((scanMode&SCAN_MONITOR) != 0) {
    mAppDirs.put(pkg.mPath, pkg);
    }
    // Add the new setting to mSettings
    mSettings.insertPackageSettingLP(pkgSetting, pkg);
    // Add the new setting to mPackages
    mPackages.put(pkg.applicationInfo.packageName, pkg);
    // Make sure we don't accidentally delete its data.
    mSettings.mPackagesToBeCleaned.remove(pkgName);

    // Take care of first install / last update times.
    if (currentTime != 0) {
    if (pkgSetting.firstInstallTime == 0) {
    pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime;
    } else if ((scanMode&SCAN_UPDATE_TIME) != 0) {
    pkgSetting.lastUpdateTime = currentTime;
    }
    } else if (pkgSetting.firstInstallTime == 0) {
    // We need *something*. Take time time stamp of the file.
    pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime;
    } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) {
    if (scanFileTime != pkgSetting.timeStamp) {
    // A package on the system image has changed; consider this
    // to be an update.
    pkgSetting.lastUpdateTime = scanFileTime;
    }
    }

    int N = pkg.providers.size();
    StringBuilder r = null;
    int i;
    for (i=0; i<N; i++) {
    PackageParser.Provider p = pkg.providers.get(i);
    p.info.processName = fixProcessName(pkg.applicationInfo.processName,
    p.info.processName, pkg.applicationInfo.uid);
    mProvidersByComponent.put(new ComponentName(p.info.packageName,
    p.info.name), p);
    p.syncable = p.info.isSyncable;
    if (p.info.authority != null) {
    String names[] = p.info.authority.split(";");
    p.info.authority = null;
    for (int j = 0; j < names.length; j++) {
    if (j == 1 && p.syncable) {
    // We only want the first authority for a provider to possibly be
    // syncable, so if we already added this provider using a different
    // authority clear the syncable flag. We copy the provider before
    // changing it because the mProviders object contains a reference
    // to a provider that we don't want to change.
    // Only do this for the second authority since the resulting provider
    // object can be the same for all future authorities for this provider.
    p = new PackageParser.Provider(p);
    p.syncable = false;
    }
    if (!mProviders.containsKey(names[j])) {
    mProviders.put(names[j], p);
    if (p.info.authority == null) {
    p.info.authority = names[j];
    } else {
    p.info.authority = p.info.authority + ";" + names[j];
    }
    if ((parseFlags&PackageParser.PARSE_CHATTY) != 0 && Config.LOGD)
    Log.d(TAG, "Registered content provider: " + names[j] +
    ", className = " + p.info.name +
    ", isSyncable = " + p.info.isSyncable);
    } else {
    PackageParser.Provider other = mProviders.get(names[j]);
    Slog.w(TAG, "Skipping provider name " + names[j] +
    " (in package " + pkg.applicationInfo.packageName +
    "): name already used by "
    + ((other != null && other.getComponentName() != null)
    ? other.getComponentName().getPackageName() : "?"));
    }
    }
    }
    if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
    if (r == null) {
    r = new StringBuilder(256);
    } else {
    r.append(' ');
    }
    r.append(p.info.name);
    }
    }
    if (r != null) {
    if (Config.LOGD) Log.d(TAG, " Providers: " + r);
    }

    N = pkg.services.size();
    r = null;
    for (i=0; i<N; i++) {
    PackageParser.Service s = pkg.services.get(i);
    s.info.processName = fixProcessName(pkg.applicationInfo.processName,
    s.info.processName, pkg.applicationInfo.uid);
    mServices.addService(s);
    if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
    if (r == null) {
    r = new StringBuilder(256);
    } else {
    r.append(' ');
    }
    r.append(s.info.name);
    }
    }
    if (r != null) {
    if (Config.LOGD) Log.d(TAG, " Services: " + r);
    }

    N = pkg.receivers.size();
    r = null;
    for (i=0; i<N; i++) {
    PackageParser.Activity a = pkg.receivers.get(i);
    a.info.processName = fixProcessName(pkg.applicationInfo.processName,
    a.info.processName, pkg.applicationInfo.uid);
    mReceivers.addActivity(a, "receiver");
    if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
    if (r == null) {
    r = new StringBuilder(256);
    } else {
    r.append(' ');
    }
    r.append(a.info.name);
    }
    }
    if (r != null) {
    if (Config.LOGD) Log.d(TAG, " Receivers: " + r);
    }

    N = pkg.activities.size();
    r = null;
    for (i=0; i<N; i++) {
    PackageParser.Activity a = pkg.activities.get(i);
    a.info.processName = fixProcessName(pkg.applicationInfo.processName,
    a.info.processName, pkg.applicationInfo.uid);
    mActivities.addActivity(a, "activity");
    if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
    if (r == null) {
    r = new StringBuilder(256);
    } else {
    r.append(' ');
    }
    r.append(a.info.name);
    }
    }
    if (r != null) {
    if (Config.LOGD) Log.d(TAG, " Activities: " + r);
    }

    N = pkg.permissionGroups.size();
    r = null;
    for (i=0; i<N; i++) {
    PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i);
    PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name);
    if (cur == null) {
    mPermissionGroups.put(pg.info.name, pg);
    if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
    if (r == null) {
    r = new StringBuilder(256);
    } else {
    r.append(' ');
    }
    r.append(pg.info.name);
    }
    } else {
    Slog.w(TAG, "Permission group " + pg.info.name + " from package "
    + pg.info.packageName + " ignored: original from "
    + cur.info.packageName);
    if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
    if (r == null) {
    r = new StringBuilder(256);
    } else {
    r.append(' ');
    }
    r.append("DUP:");
    r.append(pg.info.name);
    }
    }
    }
    if (r != null) {
    if (Config.LOGD) Log.d(TAG, " Permission Groups: " + r);
    }

    N = pkg.permissions.size();
    r = null;
    for (i=0; i<N; i++) {
    PackageParser.Permission p = pkg.permissions.get(i);
    HashMap<String, BasePermission> permissionMap =
    p.tree ? mSettings.mPermissionTrees
    : mSettings.mPermissions;
    p.group = mPermissionGroups.get(p.info.group);
    if (p.info.group == null || p.group != null) {
    BasePermission bp = permissionMap.get(p.info.name);
    if (bp == null) {
    bp = new BasePermission(p.info.name, p.info.packageName,
    BasePermission.TYPE_NORMAL);
    permissionMap.put(p.info.name, bp);
    }
    if (bp.perm == null) {
    if (bp.sourcePackage == null
    || bp.sourcePackage.equals(p.info.packageName)) {
    BasePermission tree = findPermissionTreeLP(p.info.name);
    if (tree == null
    || tree.sourcePackage.equals(p.info.packageName)) {
    bp.packageSetting = pkgSetting;
    bp.perm = p;
    bp.uid = pkg.applicationInfo.uid;
    if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
    if (r == null) {
    r = new StringBuilder(256);
    } else {
    r.append(' ');
    }
    r.append(p.info.name);
    }
    } else {
    Slog.w(TAG, "Permission " + p.info.name + " from package "
    + p.info.packageName + " ignored: base tree "
    + tree.name + " is from package "
    + tree.sourcePackage);
    }
    } else {
    Slog.w(TAG, "Permission " + p.info.name + " from package "
    + p.info.packageName + " ignored: original from "
    + bp.sourcePackage);
    }
    } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
    if (r == null) {
    r = new StringBuilder(256);
    } else {
    r.append(' ');
    }
    r.append("DUP:");
    r.append(p.info.name);
    }
    if (bp.perm == p) {
    bp.protectionLevel = p.info.protectionLevel;
    }
    } else {
    Slog.w(TAG, "Permission " + p.info.name + " from package "
    + p.info.packageName + " ignored: no group "
    + p.group);
    }
    }
    if (r != null) {
    if (Config.LOGD) Log.d(TAG, " Permissions: " + r);
    }

    N = pkg.instrumentation.size();
    r = null;
    for (i=0; i<N; i++) {
    PackageParser.Instrumentation a = pkg.instrumentation.get(i);
    a.info.packageName = pkg.applicationInfo.packageName;
    a.info.sourceDir = pkg.applicationInfo.sourceDir;
    a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir;
    a.info.dataDir = pkg.applicationInfo.dataDir;
    a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir;
    mInstrumentation.put(a.getComponentName(), a);
    if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) {
    if (r == null) {
    r = new StringBuilder(256);
    } else {
    r.append(' ');
    }
    r.append(a.info.name);
    }
    }
    if (r != null) {
    if (Config.LOGD) Log.d(TAG, " Instrumentation: " + r);
    }

    if (pkg.protectedBroadcasts != null) {
    N = pkg.protectedBroadcasts.size();
    for (i=0; i<N; i++) {
    mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i));
    }
    }

    pkgSetting.setTimeStamp(scanFileTime);
    }

    return pkg;
    }

    private void killApplication(String pkgName, int uid) {
    // Request the ActivityManager to kill the process(only for existing packages)
    // so that we do not end up in a confused state while the user is still using the older
    // version of the application while the new one gets installed.
    IActivityManager am = ActivityManagerNative.getDefault();
    if (am != null) {
    try {
    am.killApplicationWithUid(pkgName, uid);
    } catch (RemoteException e) {
    }
    }
    }

    // Return the path of the directory that will contain the native binaries
    // of a given installed package. This is relative to the data path.
    //
    private File getNativeBinaryDirForPackage(PackageParser.Package pkg) {
    final String nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir;
    if (nativeLibraryDir != null) {
    return new File(nativeLibraryDir);
    } else {
    // Fall back for old packages
    return new File(pkg.applicationInfo.dataDir, LIB_DIR_NAME);
    }
    }

    void removePackageLI(PackageParser.Package pkg, boolean chatty) {
    if (chatty && Config.LOGD) Log.d(
    TAG, "Removing package " + pkg.applicationInfo.packageName );

    synchronized (mPackages) {
    clearPackagePreferredActivitiesLP(pkg.packageName);

    mPackages.remove(pkg.applicationInfo.packageName);
    if (pkg.mPath != null) {
    mAppDirs.remove(pkg.mPath);
    }

    int N = pkg.providers.size();
    StringBuilder r = null;
    int i;
    for (i=0; i<N; i++) {
    PackageParser.Provider p = pkg.providers.get(i);
    mProvidersByComponent.remove(new ComponentName(p.info.packageName,
    p.info.name));
    if (p.info.authority == null) {

    /* The is another ContentProvider with this authority when
    * this app was installed so this authority is null,
    * Ignore it as we don't have to unregister the provider.
    */
    continue;
    }
    String names[] = p.info.authority.split(";");
    for (int j = 0; j < names.length; j++) {
    if (mProviders.get(names[j]) == p) {
    mProviders.remove(names[j]);
    if (chatty && Config.LOGD) Log.d(
    TAG, "Unregistered content provider: " + names[j] +
    ", className = " + p.info.name +
    ", isSyncable = " + p.info.isSyncable);
    }
    }
    if (chatty) {
    if (r == null) {
    r = new StringBuilder(256);
    } else {
    r.append(' ');
    }
    r.append(p.info.name);
    }
    }
    if (r != null) {
    if (Config.LOGD) Log.d(TAG, " Providers: " + r);
    }

    N = pkg.services.size();
    r = null;
    for (i=0; i<N; i++) {
    PackageParser.Service s = pkg.services.get(i);
    mServices.removeService(s);
    if (chatty) {
    if (r == null) {
    r = new StringBuilder(256);
    } else {
    r.append(' ');
    }
    r.append(s.info.name);
    }
    }
    if (r != null) {
    if (Config.LOGD) Log.d(TAG, " Services: " + r);
    }

    N = pkg.receivers.size();
    r = null;
    for (i=0; i<N; i++) {
    PackageParser.Activity a = pkg.receivers.get(i);
    mReceivers.removeActivity(a, "receiver");
    if (chatty) {
    if (r == null) {
    r = new StringBuilder(256);
    } else {
    r.append(' ');
    }
    r.append(a.info.name);
    }
    }
    if (r != null) {
    if (Config.LOGD) Log.d(TAG, " Receivers: " + r);
    }

    N = pkg.activities.size();
    r = null;
    for (i=0; i<N; i++) {
    PackageParser.Activity a = pkg.activities.get(i);
    mActivities.removeActivity(a, "activity");
    if (chatty) {
    if (r == null) {
    r = new StringBuilder(256);
    } else {
    r.append(' ');
    }
    r.append(a.info.name);
    }
    }
    if (r != null) {
    if (Config.LOGD) Log.d(TAG, " Activities: " + r);
    }

    N = pkg.permissions.size();
    r = null;
    for (i=0; i<N; i++) {
    PackageParser.Permission p = pkg.permissions.get(i);
    boolean tree = false;
    BasePermission bp = mSettings.mPermissions.get(p.info.name);
    if (bp == null) {
    tree = true;
    bp = mSettings.mPermissionTrees.get(p.info.name);
    }
    if (bp != null && bp.perm == p) {
    bp.perm = null;
    if (chatty) {
    if (r == null) {
    r = new StringBuilder(256);
    } else {
    r.append(' ');
    }
    r.append(p.info.name);
    }
    }
    }
    if (r != null) {
    if (Config.LOGD) Log.d(TAG, " Permissions: " + r);
    }

    N = pkg.instrumentation.size();
    r = null;
    for (i=0; i<N; i++) {
    PackageParser.Instrumentation a = pkg.instrumentation.get(i);
    mInstrumentation.remove(a.getComponentName());
    if (chatty) {
    if (r == null) {
    r = new StringBuilder(256);
    } else {
    r.append(' ');
    }
    r.append(a.info.name);
    }
    }
    if (r != null) {
    if (Config.LOGD) Log.d(TAG, " Instrumentation: " + r);
    }
    }
    }

    private static final boolean isPackageFilename(String name) {
    return name != null && name.endsWith(".apk");
    }

    private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) {
    for (int i=pkgInfo.permissions.size()-1; i>=0; i--) {
    if (pkgInfo.permissions.get(i).info.name.equals(perm)) {
    return true;
    }
    }
    return false;
    }

    private void updatePermissionsLP(String changingPkg,
    PackageParser.Package pkgInfo, boolean grantPermissions,
    boolean replace, boolean replaceAll) {
    // Make sure there are no dangling permission trees.
    Iterator<BasePermission> it = mSettings.mPermissionTrees
    .values().iterator();
    while (it.hasNext()) {
    BasePermission bp = it.next();
    if (bp.packageSetting == null) {
    // We may not yet have parsed the package, so just see if
    // we still know about its settings.
    bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage);
    }
    if (bp.packageSetting == null) {
    Slog.w(TAG, "Removing dangling permission tree: " + bp.name
    + " from package " + bp.sourcePackage);
    it.remove();
    } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) {
    if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) {
    Slog.i(TAG, "Removing old permission tree: " + bp.name
    + " from package " + bp.sourcePackage);
    grantPermissions = true;
    it.remove();
    }
    }
    }

    // Make sure all dynamic permissions have been assigned to a package,
    // and make sure there are no dangling permissions.
    it = mSettings.mPermissions.values().iterator();
    while (it.hasNext()) {
    BasePermission bp = it.next();
    if (bp.type == BasePermission.TYPE_DYNAMIC) {
    if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name="
    + bp.name + " pkg=" + bp.sourcePackage
    + " info=" + bp.pendingInfo);
    if (bp.packageSetting == null && bp.pendingInfo != null) {
    BasePermission tree = findPermissionTreeLP(bp.name);
    if (tree != null) {
    bp.packageSetting = tree.packageSetting;
    bp.perm = new PackageParser.Permission(tree.perm.owner,
    new PermissionInfo(bp.pendingInfo));
    bp.perm.info.packageName = tree.perm.info.packageName;
    bp.perm.info.name = bp.name;
    bp.uid = tree.uid;
    }
    }
    }
    if (bp.packageSetting == null) {
    // We may not yet have parsed the package, so just see if
    // we still know about its settings.
    bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage);
    }
    if (bp.packageSetting == null) {
    Slog.w(TAG, "Removing dangling permission: " + bp.name
    + " from package " + bp.sourcePackage);
    it.remove();
    } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) {
    if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) {
    Slog.i(TAG, "Removing old permission: " + bp.name
    + " from package " + bp.sourcePackage);
    grantPermissions = true;
    it.remove();
    }
    }
    }

    // Now update the permissions for all packages, in particular
    // replace the granted permissions of the system packages.
    if (grantPermissions) {
    for (PackageParser.Package pkg : mPackages.values()) {
    if (pkg != pkgInfo) {
    grantPermissionsLP(pkg, replaceAll);
    }
    }
    }

    if (pkgInfo != null) {
    grantPermissionsLP(pkgInfo, replace);
    }
    }

    private void grantPermissionsLP(PackageParser.Package pkg, boolean replace) {
    final PackageSetting ps = (PackageSetting)pkg.mExtras;
    if (ps == null) {
    return;
    }
    final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps;
    boolean changedPermission = false;

    if (replace) {
    ps.permissionsFixed = false;
    if (gp == ps) {
    gp.grantedPermissions.clear();
    gp.gids = mGlobalGids;
    }
    }

    if (gp.gids == null) {
    gp.gids = mGlobalGids;
    }

    final int N = pkg.requestedPermissions.size();
    for (int i=0; i<N; i++) {
    String name = pkg.requestedPermissions.get(i);
    BasePermission bp = mSettings.mPermissions.get(name);
    if (false) {
    if (gp != ps) {
    Log.i(TAG, "Package " + pkg.packageName + " checking " + name
    + ": " + bp);
    }
    }
    if (bp != null && bp.packageSetting != null) {
    final String perm = bp.name;
    boolean allowed;
    boolean allowedSig = false;
    if (bp.protectionLevel == PermissionInfo.PROTECTION_NORMAL
    || bp.protectionLevel == PermissionInfo.PROTECTION_DANGEROUS) {
    allowed = true;
    } else if (bp.packageSetting == null) {
    // This permission is invalid; skip it.
    allowed = false;
    } else if (bp.protectionLevel == PermissionInfo.PROTECTION_SIGNATURE
    || bp.protectionLevel == PermissionInfo.PROTECTION_SIGNATURE_OR_SYSTEM) {
    allowed = (checkSignaturesLP(
    bp.packageSetting.signatures.mSignatures, pkg.mSignatures)
    == PackageManager.SIGNATURE_MATCH)
    || (checkSignaturesLP(mPlatformPackage.mSignatures, pkg.mSignatures)
    == PackageManager.SIGNATURE_MATCH);
    if (!allowed && bp.protectionLevel
    == PermissionInfo.PROTECTION_SIGNATURE_OR_SYSTEM) {
    if (isSystemApp(pkg)) {
    // For updated system applications, the signatureOrSystem permission
    // is granted only if it had been defined by the original application.
    if (isUpdatedSystemApp(pkg)) {
    PackageSetting sysPs = mSettings.getDisabledSystemPkg(
    pkg.packageName);
    final GrantedPermissions origGp = sysPs.sharedUser != null
    ? sysPs.sharedUser : sysPs;
    if (origGp.grantedPermissions.contains(perm)) {
    allowed = true;
    } else {
    allowed = false;
    }
    } else {
    allowed = true;
    }
    }
    }
    if (allowed) {
    allowedSig = true;
    }
    } else {
    allowed = false;
    }
    if (false) {
    if (gp != ps) {
    Log.i(TAG, "Package " + pkg.packageName + " granting " + perm);
    }
    }
    if (allowed) {
    if ((ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0
    && ps.permissionsFixed) {
    // If this is an existing, non-system package, then
    // we can't add any new permissions to it.
    if (!allowedSig && !gp.grantedPermissions.contains(perm)) {
    allowed = false;
    // Except... if this is a permission that was added
    // to the platform (note: need to only do this when
    // updating the platform).
    final int NP = PackageParser.NEW_PERMISSIONS.length;
    for (int ip=0; ip<NP; ip++) {
    final PackageParser.NewPermissionInfo npi
    = PackageParser.NEW_PERMISSIONS[ip];
    if (npi.name.equals(perm)
    && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) {
    allowed = true;
    Log.i(TAG, "Auto-granting " + perm + " to old pkg "
    + pkg.packageName);
    break;
    }
    }
    }
    }
    if (allowed) {
    if (!gp.grantedPermissions.contains(perm)) {
    changedPermission = true;
    gp.grantedPermissions.add(perm);
    gp.gids = appendInts(gp.gids, bp.gids);
    } else if (!ps.haveGids) {
    gp.gids = appendInts(gp.gids, bp.gids);
    }
    } else {
    Slog.w(TAG, "Not granting permission " + perm
    + " to package " + pkg.packageName
    + " because it was previously installed without");
    }
    } else {
    if (gp.grantedPermissions.remove(perm)) {
    changedPermission = true;
    gp.gids = removeInts(gp.gids, bp.gids);
    Slog.i(TAG, "Un-granting permission " + perm
    + " from package " + pkg.packageName
    + " (protectionLevel=" + bp.protectionLevel
    + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags)
    + ")");
    } else {
    Slog.w(TAG, "Not granting permission " + perm
    + " to package " + pkg.packageName
    + " (protectionLevel=" + bp.protectionLevel
    + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags)
    + ")");
    }
    }
    } else {
    Slog.w(TAG, "Unknown permission " + name
    + " in package " + pkg.packageName);
    }
    }

    if ((changedPermission || replace) && !ps.permissionsFixed &&
    ((ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) ||
    ((ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0)){
    // This is the first that we have heard about this package, so the
    // permissions we have now selected are fixed until explicitly
    // changed.
    ps.permissionsFixed = true;
    }
    ps.haveGids = true;
    }

    private final class ActivityIntentResolver
    extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> {
    public List queryIntent(Intent intent, String resolvedType, boolean defaultOnly) {
    mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
    return super.queryIntent(intent, resolvedType, defaultOnly);
    }

    public List queryIntent(Intent intent, String resolvedType, int flags) {
    mFlags = flags;
    return super.queryIntent(intent, resolvedType,
    (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0);
    }

    public List queryIntentForPackage(Intent intent, String resolvedType, int flags,
    ArrayList<PackageParser.Activity> packageActivities) {
    if (packageActivities == null) {
    return null;
    }
    mFlags = flags;
    final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0;
    int N = packageActivities.size();
    ArrayList<ArrayList<PackageParser.ActivityIntentInfo>> listCut =
    new ArrayList<ArrayList<PackageParser.ActivityIntentInfo>>(N);

    ArrayList<PackageParser.ActivityIntentInfo> intentFilters;
    for (int i = 0; i < N; ++i) {
    intentFilters = packageActivities.get(i).intents;
    if (intentFilters != null && intentFilters.size() > 0) {
    listCut.add(intentFilters);
    }
    }
    return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut);
    }

    public final void addActivity(PackageParser.Activity a, String type) {
    final boolean systemApp = isSystemApp(a.info.applicationInfo);
    mActivities.put(a.getComponentName(), a);
    if (SHOW_INFO || Config.LOGV) Log.v(
    TAG, " " + type + " " +
    (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":");
    if (SHOW_INFO || Config.LOGV) Log.v(TAG, " Class=" + a.info.name);
    int NI = a.intents.size();
    for (int j=0; j<NI; j++) {
    PackageParser.ActivityIntentInfo intent = a.intents.get(j);
    if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) {
    intent.setPriority(0);
    Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity "
    + a.className + " with priority > 0, forcing to 0");
    }
    if (SHOW_INFO || Config.LOGV) {
    Log.v(TAG, " IntentFilter:");
    intent.dump(new LogPrinter(Log.VERBOSE, TAG), " ");
    }
    if (!intent.debugCheck()) {
    Log.w(TAG, "==> For Activity " + a.info.name);
    }
    addFilter(intent);
    }
    }

    public final void removeActivity(PackageParser.Activity a, String type) {
    mActivities.remove(a.getComponentName());
    if (SHOW_INFO || Config.LOGV) Log.v(
    TAG, " " + type + " " +
    (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":");
    if (SHOW_INFO || Config.LOGV) Log.v(TAG, " Class=" + a.info.name);
    int NI = a.intents.size();
    for (int j=0; j<NI; j++) {
    PackageParser.ActivityIntentInfo intent = a.intents.get(j);
    if (SHOW_INFO || Config.LOGV) {
    Log.v(TAG, " IntentFilter:");
    intent.dump(new LogPrinter(Log.VERBOSE, TAG), " ");
    }
    removeFilter(intent);
    }
    }

    @Override
    protected boolean allowFilterResult(
    PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) {
    ActivityInfo filterAi = filter.activity.info;
    for (int i=dest.size()-1; i>=0; i--) {
    ActivityInfo destAi = dest.get(i).activityInfo;
    if (destAi.name == filterAi.name
    && destAi.packageName == filterAi.packageName) {
    return false;
    }
    }
    return true;
    }

    @Override
    protected String packageForFilter(PackageParser.ActivityIntentInfo info) {
    return info.activity.owner.packageName;
    }

    @Override
    protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info,
    int match) {
    if (!mSettings.isEnabledLP(info.activity.info, mFlags)) {
    return null;
    }
    final PackageParser.Activity activity = info.activity;
    if (mSafeMode && (activity.info.applicationInfo.flags
    &ApplicationInfo.FLAG_SYSTEM) == 0) {
    return null;
    }
    final ResolveInfo res = new ResolveInfo();
    res.activityInfo = PackageParser.generateActivityInfo(activity,
    mFlags);
    if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) {
    res.filter = info;
    }
    res.priority = info.getPriority();
    res.preferredOrder = activity.owner.mPreferredOrder;
    //System.out.println("Result: " + res.activityInfo.className +
    // " = " + res.priority);
    res.match = match;
    res.isDefault = info.hasDefault;
    res.labelRes = info.labelRes;
    res.nonLocalizedLabel = info.nonLocalizedLabel;
    res.icon = info.icon;
    return res;
    }

    @Override
    protected void sortResults(List<ResolveInfo> results) {
    Collections.sort(results, mResolvePrioritySorter);
    }

    @Override
    protected void dumpFilter(PrintWriter out, String prefix,
    PackageParser.ActivityIntentInfo filter) {
    out.print(prefix); out.print(
    Integer.toHexString(System.identityHashCode(filter.activity)));
    out.print(' ');
    out.print(filter.activity.getComponentShortName());
    out.print(" filter ");
    out.println(Integer.toHexString(System.identityHashCode(filter)));
    }

    // List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) {
    // final Iterator<ResolveInfo> i = resolveInfoList.iterator();
    // final List<ResolveInfo> retList = Lists.newArrayList();
    // while (i.hasNext()) {
    // final ResolveInfo resolveInfo = i.next();
    // if (isEnabledLP(resolveInfo.activityInfo)) {
    // retList.add(resolveInfo);
    // }
    // }
    // return retList;
    // }

    // Keys are String (activity class name), values are Activity.
    private final HashMap<ComponentName, PackageParser.Activity> mActivities
    = new HashMap<ComponentName, PackageParser.Activity>();
    private int mFlags;
    }

    private final class ServiceIntentResolver
    extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> {
    public List queryIntent(Intent intent, String resolvedType, boolean defaultOnly) {
    mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
    return super.queryIntent(intent, resolvedType, defaultOnly);
    }

    public List queryIntent(Intent intent, String resolvedType, int flags) {
    mFlags = flags;
    return super.queryIntent(intent, resolvedType,
    (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0);
    }

    public List queryIntentForPackage(Intent intent, String resolvedType, int flags,
    ArrayList<PackageParser.Service> packageServices) {
    if (packageServices == null) {
    return null;
    }
    mFlags = flags;
    final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0;
    int N = packageServices.size();
    ArrayList<ArrayList<PackageParser.ServiceIntentInfo>> listCut =
    new ArrayList<ArrayList<PackageParser.ServiceIntentInfo>>(N);

    ArrayList<PackageParser.ServiceIntentInfo> intentFilters;
    for (int i = 0; i < N; ++i) {
    intentFilters = packageServices.get(i).intents;
    if (intentFilters != null && intentFilters.size() > 0) {
    listCut.add(intentFilters);
    }
    }
    return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut);
    }

    public final void addService(PackageParser.Service s) {
    mServices.put(s.getComponentName(), s);
    if (SHOW_INFO || Config.LOGV) Log.v(
    TAG, " " + (s.info.nonLocalizedLabel != null
    ? s.info.nonLocalizedLabel : s.info.name) + ":");
    if (SHOW_INFO || Config.LOGV) Log.v(
    TAG, " Class=" + s.info.name);
    int NI = s.intents.size();
    int j;
    for (j=0; j<NI; j++) {
    PackageParser.ServiceIntentInfo intent = s.intents.get(j);
    if (SHOW_INFO || Config.LOGV) {
    Log.v(TAG, " IntentFilter:");
    intent.dump(new LogPrinter(Log.VERBOSE, TAG), " ");
    }
    if (!intent.debugCheck()) {
    Log.w(TAG, "==> For Service " + s.info.name);
    }
    addFilter(intent);
    }
    }

    public final void removeService(PackageParser.Service s) {
    mServices.remove(s.getComponentName());
    if (SHOW_INFO || Config.LOGV) Log.v(
    TAG, " " + (s.info.nonLocalizedLabel != null
    ? s.info.nonLocalizedLabel : s.info.name) + ":");
    if (SHOW_INFO || Config.LOGV) Log.v(
    TAG, " Class=" + s.info.name);
    int NI = s.intents.size();
    int j;
    for (j=0; j<NI; j++) {
    PackageParser.ServiceIntentInfo intent = s.intents.get(j);
    if (SHOW_INFO || Config.LOGV) {
    Log.v(TAG, " IntentFilter:");
    intent.dump(new LogPrinter(Log.VERBOSE, TAG), " ");
    }
    removeFilter(intent);
    }
    }

    @Override
    protected boolean allowFilterResult(
    PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) {
    ServiceInfo filterSi = filter.service.info;
    for (int i=dest.size()-1; i>=0; i--) {
    ServiceInfo destAi = dest.get(i).serviceInfo;
    if (destAi.name == filterSi.name
    && destAi.packageName == filterSi.packageName) {
    return false;
    }
    }
    return true;
    }

    @Override
    protected String packageForFilter(PackageParser.ServiceIntentInfo info) {
    return info.service.owner.packageName;
    }

    @Override
    protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter,
    int match) {
    final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter;
    if (!mSettings.isEnabledLP(info.service.info, mFlags)) {
    return null;
    }
    final PackageParser.Service service = info.service;
    if (mSafeMode && (service.info.applicationInfo.flags
    &ApplicationInfo.FLAG_SYSTEM) == 0) {
    return null;
    }
    final ResolveInfo res = new ResolveInfo();
    res.serviceInfo = PackageParser.generateServiceInfo(service,
    mFlags);
    if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) {
    res.filter = filter;
    }
    res.priority = info.getPriority();
    res.preferredOrder = service.owner.mPreferredOrder;
    //System.out.println("Result: " + res.activityInfo.className +
    // " = " + res.priority);
    res.match = match;
    res.isDefault = info.hasDefault;
    res.labelRes = info.labelRes;
    res.nonLocalizedLabel = info.nonLocalizedLabel;
    res.icon = info.icon;
    return res;
    }

    @Override
    protected void sortResults(List<ResolveInfo> results) {
    Collections.sort(results, mResolvePrioritySorter);
    }

    @Override
    protected void dumpFilter(PrintWriter out, String prefix,
    PackageParser.ServiceIntentInfo filter) {
    out.print(prefix); out.print(
    Integer.toHexString(System.identityHashCode(filter.service)));
    out.print(' ');
    out.print(filter.service.getComponentShortName());
    out.print(" filter ");
    out.println(Integer.toHexString(System.identityHashCode(filter)));
    }

    // List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) {
    // final Iterator<ResolveInfo> i = resolveInfoList.iterator();
    // final List<ResolveInfo> retList = Lists.newArrayList();
    // while (i.hasNext()) {
    // final ResolveInfo resolveInfo = (ResolveInfo) i;
    // if (isEnabledLP(resolveInfo.serviceInfo)) {
    // retList.add(resolveInfo);
    // }
    // }
    // return retList;
    // }

    // Keys are String (activity class name), values are Activity.
    private final HashMap<ComponentName, PackageParser.Service> mServices
    = new HashMap<ComponentName, PackageParser.Service>();
    private int mFlags;
    };

    private static final Comparator<ResolveInfo> mResolvePrioritySorter =
    new Comparator<ResolveInfo>() {
    public int compare(ResolveInfo r1, ResolveInfo r2) {
    int v1 = r1.priority;
    int v2 = r2.priority;
    //System.out.println("Comparing: q1=" + q1 + " q2=" + q2);
    if (v1 != v2) {
    return (v1 > v2) ? -1 : 1;
    }
    v1 = r1.preferredOrder;
    v2 = r2.preferredOrder;
    if (v1 != v2) {
    return (v1 > v2) ? -1 : 1;
    }
    if (r1.isDefault != r2.isDefault) {
    return r1.isDefault ? -1 : 1;
    }
    v1 = r1.match;
    v2 = r2.match;
    //System.out.println("Comparing: m1=" + m1 + " m2=" + m2);
    return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0);
    }
    };

    private static final Comparator<ProviderInfo> mProviderInitOrderSorter =
    new Comparator<ProviderInfo>() {
    public int compare(ProviderInfo p1, ProviderInfo p2) {
    final int v1 = p1.initOrder;
    final int v2 = p2.initOrder;
    return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0);
    }
    };

    private static final void sendPackageBroadcast(String action, String pkg,
    Bundle extras, IIntentReceiver finishedReceiver) {
    IActivityManager am = ActivityManagerNative.getDefault();
    if (am != null) {
    try {
    final Intent intent = new Intent(action,
    pkg != null ? Uri.fromParts("package", pkg, null) : null);
    if (extras != null) {
    intent.putExtras(extras);
    }
    intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
    am.broadcastIntent(null, intent, null, finishedReceiver,
    0, null, null, null, finishedReceiver != null, false);
    } catch (RemoteException ex) {
    }
    }
    }

    public String nextPackageToClean(String lastPackage) {
    synchronized (mPackages) {
    if (!mMediaMounted) {
    // If the external storage is no longer mounted at this point,
    // the caller may not have been able to delete all of this
    // packages files and can not delete any more. Bail.
    return null;
    }
    if (lastPackage != null) {
    mSettings.mPackagesToBeCleaned.remove(lastPackage);
    }
    return mSettings.mPackagesToBeCleaned.size() > 0
    ? mSettings.mPackagesToBeCleaned.get(0) : null;
    }
    }

    void schedulePackageCleaning(String packageName) {
    mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, packageName));
    }

    void startCleaningPackages() {
    synchronized (mPackages) {
    if (!mMediaMounted) {
    return;
    }
    if (mSettings.mPackagesToBeCleaned.size() <= 0) {
    return;
    }
    }
    Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE);
    intent.setComponent(DEFAULT_CONTAINER_COMPONENT);
    IActivityManager am = ActivityManagerNative.getDefault();
    if (am != null) {
    try {
    am.startService(null, intent, null);
    } catch (RemoteException e) {
    }
    }
    }

    private final class AppDirObserver extends FileObserver {
    public AppDirObserver(String path, int mask, boolean isrom) {
    super(path, mask);
    mRootDir = path;
    mIsRom = isrom;
    }

    public void onEvent(int event, String path) {
    String removedPackage = null;
    int removedUid = -1;
    String addedPackage = null;
    int addedUid = -1;

    synchronized (mInstallLock) {
    String fullPathStr = null;
    File fullPath = null;
    if (path != null) {
    fullPath = new File(mRootDir, path);
    fullPathStr = fullPath.getPath();
    }

    if (Config.LOGV) Log.v(
    TAG, "File " + fullPathStr + " changed: "
    + Integer.toHexString(event));

    if (!isPackageFilename(path)) {
    if (Config.LOGV) Log.v(
    TAG, "Ignoring change of non-package file: " + fullPathStr);
    return;
    }

    // Ignore packages that are being installed or
    // have just been installed.
    if (ignoreCodePath(fullPathStr)) {
    return;
    }
    PackageParser.Package p = null;
    synchronized (mPackages) {
    p = mAppDirs.get(fullPathStr);
    }
    if ((event&REMOVE_EVENTS) != 0) {
    if (p != null) {
    removePackageLI(p, true);
    removedPackage = p.applicationInfo.packageName;
    removedUid = p.applicationInfo.uid;
    }
    }

    if ((event&ADD_EVENTS) != 0) {
    if (p == null) {
    p = scanPackageLI(fullPath,
    (mIsRom ? PackageParser.PARSE_IS_SYSTEM
    | PackageParser.PARSE_IS_SYSTEM_DIR: 0) |
    PackageParser.PARSE_CHATTY |
    PackageParser.PARSE_MUST_BE_APK,
    SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME,
    System.currentTimeMillis());
    if (p != null) {
    synchronized (mPackages) {
    updatePermissionsLP(p.packageName, p,
    p.permissions.size() > 0, false, false);
    }
    addedPackage = p.applicationInfo.packageName;
    addedUid = p.applicationInfo.uid;
    }
    }
    }

    synchronized (mPackages) {
    mSettings.writeLP();
    }
    }

    if (removedPackage != null) {
    Bundle extras = new Bundle(1);
    extras.putInt(Intent.EXTRA_UID, removedUid);
    extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false);
    sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage,
    extras, null);
    }
    if (addedPackage != null) {
    Bundle extras = new Bundle(1);
    extras.putInt(Intent.EXTRA_UID, addedUid);
    sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage,
    extras, null);
    }
    }

    private final String mRootDir;
    private final boolean mIsRom;
    }

    /* Called when a downloaded package installation has been confirmed by the user */
    public void installPackage(
    final Uri packageURI, final IPackageInstallObserver observer, final int flags) {
    installPackage(packageURI, observer, flags, null);
    }

    /* Called when a downloaded package installation has been confirmed by the user */
    public void installPackage(
    final Uri packageURI, final IPackageInstallObserver observer, final int flags,
    final String installerPackageName) {
    mContext.enforceCallingOrSelfPermission(
    android.Manifest.permission.INSTALL_PACKAGES, null);

    Message msg = mHandler.obtainMessage(INIT_COPY);
    msg.obj = new InstallParams(packageURI, observer, flags,
    installerPackageName);
    mHandler.sendMessage(msg);
    }

    public void finishPackageInstall(int token) {
    if (DEBUG_INSTALL) Log.v(TAG, "BM finishing package install for " + token);
    Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0);
    mHandler.sendMessage(msg);
    }

    private void processPendingInstall(final InstallArgs args, final int currentStatus) {
    // Queue up an async operation since the package installation may take a little while.
    mHandler.post(new Runnable() {
    public void run() {
    mHandler.removeCallbacks(this);
    // Result object to be returned
    PackageInstalledInfo res = new PackageInstalledInfo();
    res.returnCode = currentStatus;
    res.uid = -1;
    res.pkg = null;
    res.removedInfo = new PackageRemovedInfo();
    if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) {
    args.doPreInstall(res.returnCode);
    synchronized (mInstallLock) {
    installPackageLI(args, true, res);
    }
    args.doPostInstall(res.returnCode);
    }

    // A restore should be performed at this point if (a) the install
    // succeeded, (b) the operation is not an update, and (c) the new
    // package has a backupAgent defined.
    final boolean update = res.removedInfo.removedPackage != null;
    boolean doRestore = (!update
    && res.pkg != null
    && res.pkg.applicationInfo.backupAgentName != null);

    // Set up the post-install work request bookkeeping. This will be used
    // and cleaned up by the post-install event handling regardless of whether
    // there's a restore pass performed. Token values are >= 1.
    int token;
    if (mNextInstallToken < 0) mNextInstallToken = 1;
    token = mNextInstallToken++;

    PostInstallData data = new PostInstallData(args, res);
    mRunningInstalls.put(token, data);
    if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token);

    if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) {
    // Pass responsibility to the Backup Manager. It will perform a
    // restore if appropriate, then pass responsibility back to the
    // Package Manager to run the post-install observer callbacks
    // and broadcasts.
    IBackupManager bm = IBackupManager.Stub.asInterface(
    ServiceManager.getService(Context.BACKUP_SERVICE));
    if (bm != null) {
    if (DEBUG_INSTALL) Log.v(TAG, "token " + token
    + " to BM for possible restore");
    try {
    bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token);
    } catch (RemoteException e) {
    // can't happen; the backup manager is local
    } catch (Exception e) {
    Slog.e(TAG, "Exception trying to enqueue restore", e);
    doRestore = false;
    }
    } else {
    Slog.e(TAG, "Backup Manager not found!");
    doRestore = false;
    }
    }

    if (!doRestore) {
    // No restore possible, or the Backup Manager was mysteriously not
    // available -- just fire the post-install work request directly.
    if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token);
    Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0);
    mHandler.sendMessage(msg);
    }
    }
    });
    }

    abstract class HandlerParams {
    final static int MAX_RETRIES = 4;
    int retry = 0;
    final void startCopy() {
    try {
    if (DEBUG_SD_INSTALL) Log.i(TAG, "startCopy");
    retry++;
    if (retry > MAX_RETRIES) {
    Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up");
    mHandler.sendEmptyMessage(MCS_GIVE_UP);
    handleServiceError();
    return;
    } else {
    handleStartCopy();
    if (DEBUG_SD_INSTALL) Log.i(TAG, "Posting install MCS_UNBIND");
    mHandler.sendEmptyMessage(MCS_UNBIND);
    }
    } catch (RemoteException e) {
    if (DEBUG_SD_INSTALL) Log.i(TAG, "Posting install MCS_RECONNECT");
    mHandler.sendEmptyMessage(MCS_RECONNECT);
    }
    handleReturnCode();
    }

    final void serviceError() {
    if (DEBUG_SD_INSTALL) Log.i(TAG, "serviceError");
    handleServiceError();
    handleReturnCode();
    }
    abstract void handleStartCopy() throws RemoteException;
    abstract void handleServiceError();
    abstract void handleReturnCode();
    }

    class InstallParams extends HandlerParams {
    final IPackageInstallObserver observer;
    int flags;
    final Uri packageURI;
    final String installerPackageName;
    private InstallArgs mArgs;
    private int mRet;
    InstallParams(Uri packageURI,
    IPackageInstallObserver observer, int flags,
    String installerPackageName) {
    this.packageURI = packageURI;
    this.flags = flags;
    this.observer = observer;
    this.installerPackageName = installerPackageName;
    }

    private int installLocationPolicy(PackageInfoLite pkgLite, int flags) {
    String packageName = pkgLite.packageName;
    int installLocation = pkgLite.installLocation;
    boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0;
    synchronized (mPackages) {
    PackageParser.Package pkg = mPackages.get(packageName);
    if (pkg != null) {
    if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) {
    // Check for updated system application.
    if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) {
    if (onSd) {
    Slog.w(TAG, "Cannot install update to system app on sdcard");
    return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION;
    }
    return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
    } else {
    if (onSd) {
    // Install flag overrides everything.
    return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
    }
    // If current upgrade specifies particular preference
    if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) {
    // Application explicitly specified internal.
    return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
    } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) {
    // App explictly prefers external. Let policy decide
    } else {
    // Prefer previous location
    if (isExternal(pkg)) {
    return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
    }
    return PackageHelper.RECOMMEND_INSTALL_INTERNAL;
    }
    }
    } else {
    // Invalid install. Return error code
    return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS;
    }
    }
    }
    // All the special cases have been taken care of.
    // Return result based on recommended install location.
    if (onSd) {
    return PackageHelper.RECOMMEND_INSTALL_EXTERNAL;
    }
    return pkgLite.recommendedInstallLocation;
    }

    /*
    * Invoke remote method to get package information and install
    * location values. Override install location based on default
    * policy if needed and then create install arguments based
    * on the install location.
    */
    public void handleStartCopy() throws RemoteException {
    int ret = PackageManager.INSTALL_SUCCEEDED;
    boolean fwdLocked = (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
    boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0;
    boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0;
    if (onInt && onSd) {
    // Check if both bits are set.
    Slog.w(TAG, "Conflicting flags specified for installing on both internal and external");
    ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION;
    } else if (fwdLocked && onSd) {
    // Check for forward locked apps
    Slog.w(TAG, "Cannot install fwd locked apps on sdcard");
    ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION;
    } else {
    // Remote call to find out default install location
    final PackageInfoLite pkgLite;
    try {
    mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI,
    Intent.FLAG_GRANT_READ_URI_PERMISSION);
    pkgLite = mContainerService.getMinimalPackageInfo(packageURI, flags);
    } finally {
    mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION);
    }

    int loc = pkgLite.recommendedInstallLocation;
    if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION){
    ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION;
    } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS){
    ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS;
    } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE){
    ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
    } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) {
    ret = PackageManager.INSTALL_FAILED_INVALID_APK;
    } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) {
    ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE;
    } else {
    // Override with defaults if needed.
    loc = installLocationPolicy(pkgLite, flags);
    if (!onSd && !onInt) {
    // Override install location with flags
    if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) {
    // Set the flag to install on external media.
    flags |= PackageManager.INSTALL_EXTERNAL;
    flags &= ~PackageManager.INSTALL_INTERNAL;
    } else {
    // Make sure the flag for installing on external
    // media is unset
    flags |= PackageManager.INSTALL_INTERNAL;
    flags &= ~PackageManager.INSTALL_EXTERNAL;
    }
    }
    }
    }
    // Create the file args now.
    mArgs = createInstallArgs(this);
    if (ret == PackageManager.INSTALL_SUCCEEDED) {
    // Create copy only if we are not in an erroneous state.
    // Remote call to initiate copy using temporary file
    ret = mArgs.copyApk(mContainerService, true);
    }
    mRet = ret;
    }

    @Override
    void handleReturnCode() {
    // If mArgs is null, then MCS couldn't be reached. When it
    // reconnects, it will try again to install. At that point, this
    // will succeed.
    if (mArgs != null) {
    processPendingInstall(mArgs, mRet);
    }
    }

    @Override
    void handleServiceError() {
    mArgs = createInstallArgs(this);
    mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
    }
    }

    /*
    * Utility class used in movePackage api.
    * srcArgs and targetArgs are not set for invalid flags and make
    * sure to do null checks when invoking methods on them.
    * We probably want to return ErrorPrams for both failed installs
    * and moves.
    */
    class MoveParams extends HandlerParams {
    final IPackageMoveObserver observer;
    final int flags;
    final String packageName;
    final InstallArgs srcArgs;
    final InstallArgs targetArgs;
    int mRet;

    MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags,
    String packageName, String dataDir) {
    this.srcArgs = srcArgs;
    this.observer = observer;
    this.flags = flags;
    this.packageName = packageName;
    if (srcArgs != null) {
    Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath()));
    targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir);
    } else {
    targetArgs = null;
    }
    }

    public void handleStartCopy() throws RemoteException {
    mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
    // Check for storage space on target medium
    if (!targetArgs.checkFreeStorage(mContainerService)) {
    Log.w(TAG, "Insufficient storage to install");
    return;
    }
    // Create the file args now.
    mRet = targetArgs.copyApk(mContainerService, false);
    targetArgs.doPreInstall(mRet);
    if (DEBUG_SD_INSTALL) {
    StringBuilder builder = new StringBuilder();
    if (srcArgs != null) {
    builder.append("src: ");
    builder.append(srcArgs.getCodePath());
    }
    if (targetArgs != null) {
    builder.append(" target : ");
    builder.append(targetArgs.getCodePath());
    }
    Log.i(TAG, builder.toString());
    }
    }

    @Override
    void handleReturnCode() {
    targetArgs.doPostInstall(mRet);
    int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR;
    if (mRet == PackageManager.INSTALL_SUCCEEDED) {
    currentStatus = PackageManager.MOVE_SUCCEEDED;
    } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){
    currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE;
    }
    processPendingMove(this, currentStatus);
    }

    @Override
    void handleServiceError() {
    mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
    }
    }

    private InstallArgs createInstallArgs(InstallParams params) {
    if (installOnSd(params.flags)) {
    return new SdInstallArgs(params);
    } else {
    return new FileInstallArgs(params);
    }
    }

    private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath,
    String nativeLibraryPath) {
    if (installOnSd(flags)) {
    return new SdInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath);
    } else {
    return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath);
    }
    }

    // Used by package mover
    private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir) {
    if (installOnSd(flags)) {
    String cid = getNextCodePath(null, pkgName, "/" + SdInstallArgs.RES_FILE_NAME);
    return new SdInstallArgs(packageURI, cid);
    } else {
    return new FileInstallArgs(packageURI, pkgName, dataDir);
    }
    }

    static abstract class InstallArgs {
    final IPackageInstallObserver observer;
    // Always refers to PackageManager flags only
    final int flags;
    final Uri packageURI;
    final String installerPackageName;

    InstallArgs(Uri packageURI,
    IPackageInstallObserver observer, int flags,
    String installerPackageName) {
    this.packageURI = packageURI;
    this.flags = flags;
    this.observer = observer;
    this.installerPackageName = installerPackageName;
    }

    abstract void createCopyFile();
    abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException;
    abstract int doPreInstall(int status);
    abstract boolean doRename(int status, String pkgName, String oldCodePath);
    abstract int doPostInstall(int status);
    abstract String getCodePath();
    abstract String getResourcePath();
    abstract String getNativeLibraryPath();
    // Need installer lock especially for dex file removal.
    abstract void cleanUpResourcesLI();
    abstract boolean doPostDeleteLI(boolean delete);
    abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException;
    }

    class FileInstallArgs extends InstallArgs {
    File installDir;
    String codeFileName;
    String resourceFileName;
    String libraryPath;
    boolean created = false;

    FileInstallArgs(InstallParams params) {
    super(params.packageURI, params.observer,
    params.flags, params.installerPackageName);
    }

    FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath) {
    super(null, null, 0, null);
    File codeFile = new File(fullCodePath);
    installDir = codeFile.getParentFile();
    codeFileName = fullCodePath;
    resourceFileName = fullResourcePath;
    libraryPath = nativeLibraryPath;
    }

    FileInstallArgs(Uri packageURI, String pkgName, String dataDir) {
    super(packageURI, null, 0, null);
    installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir;
    String apkName = getNextCodePath(null, pkgName, ".apk");
    codeFileName = new File(installDir, apkName + ".apk").getPath();
    resourceFileName = getResourcePathFromCodePath();
    libraryPath = new File(dataDir, LIB_DIR_NAME).getPath();
    }

    boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException {
    try {
    mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI,
    Intent.FLAG_GRANT_READ_URI_PERMISSION);
    return imcs.checkFreeStorage(false, packageURI);
    } finally {
    mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION);
    }
    }

    String getCodePath() {
    return codeFileName;
    }

    void createCopyFile() {
    installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir;
    codeFileName = createTempPackageFile(installDir).getPath();
    resourceFileName = getResourcePathFromCodePath();
    created = true;
    }

    int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException {
    if (temp) {
    // Generate temp file name
    createCopyFile();
    }
    // Get a ParcelFileDescriptor to write to the output file
    File codeFile = new File(codeFileName);
    if (!created) {
    try {
    codeFile.createNewFile();
    // Set permissions
    if (!setPermissions()) {
    // Failed setting permissions.
    return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
    }
    } catch (IOException e) {
    Slog.w(TAG, "Failed to create file " + codeFile);
    return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
    }
    }
    ParcelFileDescriptor out = null;
    try {
    out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE);
    } catch (FileNotFoundException e) {
    Slog.e(TAG, "Failed to create file descritpor for : " + codeFileName);
    return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
    }
    // Copy the resource now
    int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
    try {
    mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI,
    Intent.FLAG_GRANT_READ_URI_PERMISSION);
    if (imcs.copyResource(packageURI, out)) {
    ret = PackageManager.INSTALL_SUCCEEDED;
    }
    } finally {
    try { if (out != null) out.close(); } catch (IOException e) {}
    mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION);
    }

    return ret;
    }

    int doPreInstall(int status) {
    if (status != PackageManager.INSTALL_SUCCEEDED) {
    cleanUp();
    }
    return status;
    }

    boolean doRename(int status, final String pkgName, String oldCodePath) {
    if (status != PackageManager.INSTALL_SUCCEEDED) {
    cleanUp();
    return false;
    } else {
    // Rename based on packageName
    File codeFile = new File(getCodePath());
    String apkName = getNextCodePath(oldCodePath, pkgName, ".apk");
    File desFile = new File(installDir, apkName + ".apk");
    if (!codeFile.renameTo(desFile)) {
    return false;
    }
    // Reset paths since the file has been renamed.
    codeFileName = desFile.getPath();
    resourceFileName = getResourcePathFromCodePath();
    // Set permissions
    if (!setPermissions()) {
    // Failed setting permissions.
    return false;
    }
    return true;
    }
    }

    int doPostInstall(int status) {
    if (status != PackageManager.INSTALL_SUCCEEDED) {
    cleanUp();
    }
    return status;
    }

    String getResourcePath() {
    return resourceFileName;
    }

    String getResourcePathFromCodePath() {
    String codePath = getCodePath();
    if ((flags & PackageManager.INSTALL_FORWARD_LOCK) != 0) {
    String apkNameOnly = getApkName(codePath);
    return mAppInstallDir.getPath() + "/" + apkNameOnly + ".zip";
    } else {
    return codePath;
    }
    }

    @Override
    String getNativeLibraryPath() {
    return libraryPath;
    }

    private boolean cleanUp() {
    boolean ret = true;
    String sourceDir = getCodePath();
    String publicSourceDir = getResourcePath();
    if (sourceDir != null) {
    File sourceFile = new File(sourceDir);
    if (!sourceFile.exists()) {
    Slog.w(TAG, "Package source " + sourceDir + " does not exist.");
    ret = false;
    }
    // Delete application's code and resources
    sourceFile.delete();
    }
    if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) {
    final File publicSourceFile = new File(publicSourceDir);
    if (!publicSourceFile.exists()) {
    Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist.");
    }
    if (publicSourceFile.exists()) {
    publicSourceFile.delete();
    }
    }
    return ret;
    }

    void cleanUpResourcesLI() {
    String sourceDir = getCodePath();
    if (cleanUp() && mInstaller != null) {
    int retCode = mInstaller.rmdex(sourceDir);
    if (retCode < 0) {
    Slog.w(TAG, "Couldn't remove dex file for package: "
    + " at location "
    + sourceDir + ", retcode=" + retCode);
    // we don't consider this to be a failure of the core package deletion
    }
    }
    }

    private boolean setPermissions() {
    // TODO Do this in a more elegant way later on. for now just a hack
    if (!isFwdLocked()) {
    final int filePermissions =
    FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP
    |FileUtils.S_IROTH;
    int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1);
    if (retCode != 0) {
    Slog.e(TAG, "Couldn't set new package file permissions for " +
    getCodePath()
    + ". The return code was: " + retCode);
    // TODO Define new internal error
    return false;
    }
    return true;
    }
    return true;
    }

    boolean doPostDeleteLI(boolean delete) {
    // XXX err, shouldn't we respect the delete flag?
    cleanUpResourcesLI();
    return true;
    }

    private boolean isFwdLocked() {
    return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
    }
    }

    class SdInstallArgs extends InstallArgs {
    static final String RES_FILE_NAME = "pkg.apk";

    String cid;
    String packagePath;
    String libraryPath;

    SdInstallArgs(InstallParams params) {
    super(params.packageURI, params.observer,
    params.flags, params.installerPackageName);
    }

    SdInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath) {
    super(null, null, PackageManager.INSTALL_EXTERNAL, null);
    // Extract cid from fullCodePath
    int eidx = fullCodePath.lastIndexOf("/");
    String subStr1 = fullCodePath.substring(0, eidx);
    int sidx = subStr1.lastIndexOf("/");
    cid = subStr1.substring(sidx+1, eidx);
    setCachePath(subStr1);
    }

    SdInstallArgs(String cid) {
    super(null, null, PackageManager.INSTALL_EXTERNAL, null);
    this.cid = cid;
    setCachePath(PackageHelper.getSdDir(cid));
    }

    SdInstallArgs(Uri packageURI, String cid) {
    super(packageURI, null, PackageManager.INSTALL_EXTERNAL, null);
    this.cid = cid;
    }

    void createCopyFile() {
    cid = getTempContainerId();
    }

    boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException {
    try {
    mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI,
    Intent.FLAG_GRANT_READ_URI_PERMISSION);
    return imcs.checkFreeStorage(true, packageURI);
    } finally {
    mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION);
    }
    }

    int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException {
    if (temp) {
    createCopyFile();
    }

    final String newCachePath;
    try {
    mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI,
    Intent.FLAG_GRANT_READ_URI_PERMISSION);
    newCachePath = imcs.copyResourceToContainer(packageURI, cid,
    getEncryptKey(), RES_FILE_NAME);
    } finally {
    mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION);
    }

    if (newCachePath != null) {
    setCachePath(newCachePath);
    return PackageManager.INSTALL_SUCCEEDED;
    } else {
    return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
    }
    }

    @Override
    String getCodePath() {
    return packagePath;
    }

    @Override
    String getResourcePath() {
    return packagePath;
    }

    @Override
    String getNativeLibraryPath() {
    return libraryPath;
    }

    int doPreInstall(int status) {
    if (status != PackageManager.INSTALL_SUCCEEDED) {
    // Destroy container
    PackageHelper.destroySdDir(cid);
    } else {
    boolean mounted = PackageHelper.isContainerMounted(cid);
    if (!mounted) {
    String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(),
    Process.SYSTEM_UID);
    if (newCachePath != null) {
    setCachePath(newCachePath);
    } else {
    return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
    }
    }
    }
    return status;
    }

    boolean doRename(int status, final String pkgName,
    String oldCodePath) {
    String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME);
    String newCachePath = null;
    if (PackageHelper.isContainerMounted(cid)) {
    // Unmount the container
    if (!PackageHelper.unMountSdDir(cid)) {
    Slog.i(TAG, "Failed to unmount " + cid + " before renaming");
    return false;
    }
    }
    if (!PackageHelper.renameSdDir(cid, newCacheId)) {
    Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId +
    " which might be stale. Will try to clean up.");
    // Clean up the stale container and proceed to recreate.
    if (!PackageHelper.destroySdDir(newCacheId)) {
    Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId);
    return false;
    }
    // Successfully cleaned up stale container. Try to rename again.
    if (!PackageHelper.renameSdDir(cid, newCacheId)) {
    Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId
    + " inspite of cleaning it up.");
    return false;
    }
    }
    if (!PackageHelper.isContainerMounted(newCacheId)) {
    Slog.w(TAG, "Mounting container " + newCacheId);
    newCachePath = PackageHelper.mountSdDir(newCacheId,
    getEncryptKey(), Process.SYSTEM_UID);
    } else {
    newCachePath = PackageHelper.getSdDir(newCacheId);
    }
    if (newCachePath == null) {
    Slog.w(TAG, "Failed to get cache path for " + newCacheId);
    return false;
    }
    Log.i(TAG, "Succesfully renamed " + cid +
    " to " + newCacheId +
    " at new path: " + newCachePath);
    cid = newCacheId;
    setCachePath(newCachePath);
    return true;
    }

    private void setCachePath(String newCachePath) {
    File cachePath = new File(newCachePath);
    libraryPath = new File(cachePath, LIB_DIR_NAME).getPath();
    packagePath = new File(cachePath, RES_FILE_NAME).getPath();
    }

    int doPostInstall(int status) {
    if (status != PackageManager.INSTALL_SUCCEEDED) {
    cleanUp();
    } else {
    boolean mounted = PackageHelper.isContainerMounted(cid);
    if (!mounted) {
    PackageHelper.mountSdDir(cid,
    getEncryptKey(), Process.myUid());
    }
    }
    return status;
    }

    private void cleanUp() {
    // Destroy secure container
    PackageHelper.destroySdDir(cid);
    }

    void cleanUpResourcesLI() {
    String sourceFile = getCodePath();
    // Remove dex file
    if (mInstaller != null) {
    int retCode = mInstaller.rmdex(sourceFile);
    if (retCode < 0) {
    Slog.w(TAG, "Couldn't remove dex file for package: "
    + " at location "
    + sourceFile.toString() + ", retcode=" + retCode);
    // we don't consider this to be a failure of the core package deletion
    }
    }
    cleanUp();
    }

    boolean matchContainer(String app) {
    if (cid.startsWith(app)) {
    return true;
    }
    return false;
    }

    String getPackageName() {
    int idx = cid.lastIndexOf("-");
    if (idx == -1) {
    return cid;
    }
    return cid.substring(0, idx);
    }

    boolean doPostDeleteLI(boolean delete) {
    boolean ret = false;
    boolean mounted = PackageHelper.isContainerMounted(cid);
    if (mounted) {
    // Unmount first
    ret = PackageHelper.unMountSdDir(cid);
    }
    if (ret && delete) {
    cleanUpResourcesLI();
    }
    return ret;
    }
    };

    // Utility method used to create code paths based on package name and available index.
    private static String getNextCodePath(String oldCodePath, String prefix, String suffix) {
    String idxStr = "";
    int idx = 1;
    // Fall back to default value of idx=1 if prefix is not
    // part of oldCodePath
    if (oldCodePath != null) {
    String subStr = oldCodePath;
    // Drop the suffix right away
    if (subStr.endsWith(suffix)) {
    subStr = subStr.substring(0, subStr.length() - suffix.length());
    }
    // If oldCodePath already contains prefix find out the
    // ending index to either increment or decrement.
    int sidx = subStr.lastIndexOf(prefix);
    if (sidx != -1) {
    subStr = subStr.substring(sidx + prefix.length());
    if (subStr != null) {
    if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) {
    subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length());
    }
    try {
    idx = Integer.parseInt(subStr);
    if (idx <= 1) {
    idx++;
    } else {
    idx--;
    }
    } catch(NumberFormatException e) {
    }
    }
    }
    }
    idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx);
    return prefix + idxStr;
    }

    // Utility method used to ignore ADD/REMOVE events
    // by directory observer.
    private static boolean ignoreCodePath(String fullPathStr) {
    String apkName = getApkName(fullPathStr);
    int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX);
    if (idx != -1 && ((idx+1) < apkName.length())) {
    // Make sure the package ends with a numeral
    String version = apkName.substring(idx+1);
    try {
    Integer.parseInt(version);
    return true;
    } catch (NumberFormatException e) {}
    }
    return false;
    }

    // Utility method that returns the relative package path with respect
    // to the installation directory. Like say for /data/data/com.test-1.apk
    // string com.test-1 is returned.
    static String getApkName(String codePath) {
    if (codePath == null) {
    return null;
    }
    int sidx = codePath.lastIndexOf("/");
    int eidx = codePath.lastIndexOf(".");
    if (eidx == -1) {
    eidx = codePath.length();
    } else if (eidx == 0) {
    Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name");
    return null;
    }
    return codePath.substring(sidx+1, eidx);
    }

    class PackageInstalledInfo {
    String name;
    int uid;
    PackageParser.Package pkg;
    int returnCode;
    PackageRemovedInfo removedInfo;
    }

    /*
    * Install a non-existing package.
    */
    private void installNewPackageLI(PackageParser.Package pkg,
    int parseFlags,
    int scanMode,
    String installerPackageName, PackageInstalledInfo res) {
    // Remember this for later, in case we need to rollback this install
    String pkgName = pkg.packageName;

    boolean dataDirExists = getDataPathForPackage(pkg).exists();
    res.name = pkgName;
    synchronized(mPackages) {
    if (mSettings.mRenamedPackages.containsKey(pkgName)) {
    // A package with the same name is already installed, though
    // it has been renamed to an older name. The package we
    // are trying to install should be installed as an update to
    // the existing one, but that has not been requested, so bail.
    Slog.w(TAG, "Attempt to re-install " + pkgName
    + " without first uninstalling package running as "
    + mSettings.mRenamedPackages.get(pkgName));
    res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS;
    return;
    }
    if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) {
    // Don't allow installation over an existing package with the same name.
    Slog.w(TAG, "Attempt to re-install " + pkgName
    + " without first uninstalling.");
    res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS;
    return;
    }
    }
    mLastScanError = PackageManager.INSTALL_SUCCEEDED;
    PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode,
    System.currentTimeMillis());
    if (newPackage == null) {
    Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath);
    if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) {
    res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK;
    }
    } else {
    updateSettingsLI(newPackage,
    installerPackageName,
    res);
    // delete the partially installed application. the data directory will have to be
    // restored if it was already existing
    if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) {
    // remove package from internal structures. Note that we want deletePackageX to
    // delete the package data and cache directories that it created in
    // scanPackageLocked, unless those directories existed before we even tried to
    // install.
    deletePackageLI(
    pkgName, false,
    dataDirExists ? PackageManager.DONT_DELETE_DATA : 0,
    res.removedInfo, true);
    }
    }
    }

    private void replacePackageLI(PackageParser.Package pkg,
    int parseFlags,
    int scanMode,
    String installerPackageName, PackageInstalledInfo res) {

    PackageParser.Package oldPackage;
    String pkgName = pkg.packageName;
    // First find the old package info and check signatures
    synchronized(mPackages) {
    oldPackage = mPackages.get(pkgName);
    if (checkSignaturesLP(oldPackage.mSignatures, pkg.mSignatures)
    != PackageManager.SIGNATURE_MATCH) {
    res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES;
    return;
    }
    }
    boolean sysPkg = (isSystemApp(oldPackage));
    if (sysPkg) {
    replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, installerPackageName, res);
    } else {
    replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, installerPackageName, res);
    }
    }

    private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage,
    PackageParser.Package pkg,
    int parseFlags, int scanMode,
    String installerPackageName, PackageInstalledInfo res) {
    PackageParser.Package newPackage = null;
    String pkgName = deletedPackage.packageName;
    boolean deletedPkg = true;
    boolean updatedSettings = false;

    String oldInstallerPackageName = null;
    synchronized (mPackages) {
    oldInstallerPackageName = mSettings.getInstallerPackageName(pkgName);
    }

    long origUpdateTime;
    if (pkg.mExtras != null) {
    origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime;
    } else {
    origUpdateTime = 0;
    }

    // First delete the existing package while retaining the data directory
    if (!deletePackageLI(pkgName, true, PackageManager.DONT_DELETE_DATA,
    res.removedInfo, true)) {
    // If the existing package wasn't successfully deleted
    res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE;
    deletedPkg = false;
    } else {
    // Successfully deleted the old package. Now proceed with re-installation
    mLastScanError = PackageManager.INSTALL_SUCCEEDED;
    newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME,
    System.currentTimeMillis());
    if (newPackage == null) {
    Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath);
    if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) {
    res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK;
    }
    } else {
    updateSettingsLI(newPackage,
    installerPackageName,
    res);
    updatedSettings = true;
    }
    }

    if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) {
    // remove package from internal structures. Note that we want deletePackageX to
    // delete the package data and cache directories that it created in
    // scanPackageLocked, unless those directories existed before we even tried to
    // install.
    if(updatedSettings) {
    deletePackageLI(
    pkgName, true,
    PackageManager.DONT_DELETE_DATA,
    res.removedInfo, true);
    }
    // Since we failed to install the new package we need to restore the old
    // package that we deleted.
    if(deletedPkg) {
    File restoreFile = new File(deletedPackage.mPath);
    if (restoreFile == null) {
    Slog.e(TAG, "Failed allocating storage when restoring pkg : " + pkgName);
    return;
    }
    // Parse old package
    boolean oldOnSd = isExternal(deletedPackage);
    int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY |
    (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) |
    (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0);
    int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE
    | SCAN_UPDATE_TIME;
    if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode,
    origUpdateTime) == null) {
    Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade");
    return;
    }
    // Restore of old package succeeded. Update permissions.
    synchronized (mPackages) {
    updatePermissionsLP(deletedPackage.packageName, deletedPackage,
    true, false, false);
    mSettings.writeLP();
    }
    Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade");
    }
    }
    }

    private void replaceSystemPackageLI(PackageParser.Package deletedPackage,
    PackageParser.Package pkg,
    int parseFlags, int scanMode,
    String installerPackageName, PackageInstalledInfo res) {
    PackageParser.Package newPackage = null;
    boolean updatedSettings = false;
    parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING |
    PackageParser.PARSE_IS_SYSTEM;
    String packageName = deletedPackage.packageName;
    res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE;
    if (packageName == null) {
    Slog.w(TAG, "Attempt to delete null packageName.");
    return;
    }
    PackageParser.Package oldPkg;
    PackageSetting oldPkgSetting;
    synchronized (mPackages) {
    oldPkg = mPackages.get(packageName);
    oldPkgSetting = mSettings.mPackages.get(packageName);
    if((oldPkg == null) || (oldPkg.applicationInfo == null) ||
    (oldPkgSetting == null)) {
    Slog.w(TAG, "Couldn't find package:"+packageName+" information");
    return;
    }
    }

    killApplication(packageName, oldPkg.applicationInfo.uid);

    res.removedInfo.uid = oldPkg.applicationInfo.uid;
    res.removedInfo.removedPackage = packageName;
    // Remove existing system package
    removePackageLI(oldPkg, true);
    synchronized (mPackages) {
    if (!mSettings.disableSystemPackageLP(packageName) && deletedPackage != null) {
    // We didn't need to disable the .apk as a current system package,
    // which means we are replacing another update that is already
    // installed. We need to make sure to delete the older one's .apk.
    res.removedInfo.args = createInstallArgs(isExternal(pkg)
    ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL,
    deletedPackage.applicationInfo.sourceDir,
    deletedPackage.applicationInfo.publicSourceDir,
    deletedPackage.applicationInfo.nativeLibraryDir);
    } else {
    res.removedInfo.args = null;
    }
    }

    // Successfully disabled the old package. Now proceed with re-installation
    mLastScanError = PackageManager.INSTALL_SUCCEEDED;
    pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP;
    newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0);
    if (newPackage == null) {
    Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath);
    if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) {
    res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK;
    }
    } else {
    if (newPackage.mExtras != null) {
    final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras;
    newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime;
    newPkgSetting.lastUpdateTime = System.currentTimeMillis();
    }
    updateSettingsLI(newPackage, installerPackageName, res);
    updatedSettings = true;
    }

    if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) {
    // Re installation failed. Restore old information
    // Remove new pkg information
    if (newPackage != null) {
    removePackageLI(newPackage, true);
    }
    // Add back the old system package
    scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0);
    // Restore the old system information in Settings
    synchronized(mPackages) {
    if (updatedSettings) {
    mSettings.enableSystemPackageLP(packageName);
    mSettings.setInstallerPackageName(packageName,
    oldPkgSetting.installerPackageName);
    }
    mSettings.writeLP();
    }
    }
    }

    // Utility method used to move dex files during install.
    private int moveDexFilesLI(PackageParser.Package newPackage) {
    int retCode;
    if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) {
    retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath);
    if (retCode != 0) {
    if (mNoDexOpt) {
    /*
    * If we're in an engineering build, programs are lazily run
    * through dexopt. If the .dex file doesn't exist yet, it
    * will be created when the program is run next.
    */
    Slog.i(TAG, "dex file doesn't exist, skipping move: " + newPackage.mPath);
    } else {
    Slog.e(TAG, "Couldn't rename dex file: " + newPackage.mPath);
    return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
    }
    }
    }
    return PackageManager.INSTALL_SUCCEEDED;
    }

    private void updateSettingsLI(PackageParser.Package newPackage,
    String installerPackageName, PackageInstalledInfo res) {
    String pkgName = newPackage.packageName;
    synchronized (mPackages) {
    //write settings. the installStatus will be incomplete at this stage.
    //note that the new package setting would have already been
    //added to mPackages. It hasn't been persisted yet.
    mSettings.setInstallStatus(pkgName, PKG_INSTALL_INCOMPLETE);
    mSettings.writeLP();
    }

    if ((res.returnCode = moveDexFilesLI(newPackage))
    != PackageManager.INSTALL_SUCCEEDED) {
    // Discontinue if moving dex files failed.
    return;
    }
    if((res.returnCode = setPermissionsLI(newPackage))
    != PackageManager.INSTALL_SUCCEEDED) {
    if (mInstaller != null) {
    mInstaller.rmdex(newPackage.mScanPath);
    }
    return;
    } else {
    Log.d(TAG, "New package installed in " + newPackage.mPath);
    }
    synchronized (mPackages) {
    updatePermissionsLP(newPackage.packageName, newPackage,
    newPackage.permissions.size() > 0, true, false);
    res.name = pkgName;
    res.uid = newPackage.applicationInfo.uid;
    res.pkg = newPackage;
    mSettings.setInstallStatus(pkgName, PKG_INSTALL_COMPLETE);
    mSettings.setInstallerPackageName(pkgName, installerPackageName);
    res.returnCode = PackageManager.INSTALL_SUCCEEDED;
    //to update install status
    mSettings.writeLP();
    }
    }

    private void installPackageLI(InstallArgs args,
    boolean newInstall, PackageInstalledInfo res) {
    int pFlags = args.flags;
    String installerPackageName = args.installerPackageName;
    File tmpPackageFile = new File(args.getCodePath());
    boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0);
    boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0);
    boolean replace = false;
    int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE
    | (newInstall ? SCAN_NEW_INSTALL : 0);
    // Result object to be returned
    res.returnCode = PackageManager.INSTALL_SUCCEEDED;

    // Retrieve PackageSettings and parse package
    int parseFlags = PackageParser.PARSE_CHATTY |
    (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) |
    (onSd ? PackageParser.PARSE_ON_SDCARD : 0);
    parseFlags |= mDefParseFlags;
    PackageParser pp = new PackageParser(tmpPackageFile.getPath());
    pp.setSeparateProcesses(mSeparateProcesses);
    final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile,
    null, mMetrics, parseFlags);
    if (pkg == null) {
    res.returnCode = pp.getParseError();
    return;
    }
    String pkgName = res.name = pkg.packageName;
    if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) {
    if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) {
    res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY;
    return;
    }
    }
    if (GET_CERTIFICATES && !pp.collectCertificates(pkg, parseFlags)) {
    res.returnCode = pp.getParseError();
    return;
    }
    // Get rid of all references to package scan path via parser.
    pp = null;
    String oldCodePath = null;
    boolean systemApp = false;
    synchronized (mPackages) {
    // Check if installing already existing package
    if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) {
    String oldName = mSettings.mRenamedPackages.get(pkgName);
    if (pkg.mOriginalPackages != null
    && pkg.mOriginalPackages.contains(oldName)
    && mPackages.containsKey(oldName)) {
    // This package is derived from an original package,
    // and this device has been updating from that original
    // name. We must continue using the original name, so
    // rename the new package here.
    pkg.setPackageName(oldName);
    pkgName = pkg.packageName;
    replace = true;
    } else if (mPackages.containsKey(pkgName)) {
    // This package, under its official name, already exists
    // on the device; we should replace it.
    replace = true;
    }
    }
    PackageSetting ps = mSettings.mPackages.get(pkgName);
    if (ps != null) {
    oldCodePath = mSettings.mPackages.get(pkgName).codePathString;
    if (ps.pkg != null && ps.pkg.applicationInfo != null) {
    systemApp = (ps.pkg.applicationInfo.flags &
    ApplicationInfo.FLAG_SYSTEM) != 0;
    }
    }
    }

    if (systemApp && onSd) {
    // Disable updates to system apps on sdcard
    Slog.w(TAG, "Cannot install updates to system apps on sdcard");
    res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION;
    return;
    }

    if (!args.doRename(res.returnCode, pkgName, oldCodePath)) {
    res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
    return;
    }
    // Set application objects path explicitly after the rename
    setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath());
    pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath();
    if (replace) {
    replacePackageLI(pkg, parseFlags, scanMode,
    installerPackageName, res);
    } else {
    installNewPackageLI(pkg, parseFlags, scanMode,
    installerPackageName,res);
    }
    }

    private int setPermissionsLI(PackageParser.Package newPackage) {
    String pkgName = newPackage.packageName;
    int retCode = 0;
    // TODO Gross hack but fix later. Ideally move this to be a post installation
    // check after alloting uid.
    if (isForwardLocked(newPackage)) {
    File destResourceFile = new File(newPackage.applicationInfo.publicSourceDir);
    try {
    extractPublicFiles(newPackage, destResourceFile);
    } catch (IOException e) {
    Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" +
    " forward-locked app.");
    return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
    } finally {
    //TODO clean up the extracted public files
    }
    if (mInstaller != null) {
    retCode = mInstaller.setForwardLockPerm(getApkName(newPackage.mPath),
    newPackage.applicationInfo.uid);
    } else {
    final int filePermissions =
    FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP;
    retCode = FileUtils.setPermissions(newPackage.mPath, filePermissions, -1,
    newPackage.applicationInfo.uid);
    }
    } else {
    // The permissions on the resource file was set when it was copied for
    // non forward locked apps and apps on sdcard
    }

    if (retCode != 0) {
    Slog.e(TAG, "Couldn't set new package file permissions for " +
    newPackage.mPath
    + ". The return code was: " + retCode);
    // TODO Define new internal error
    return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
    }
    return PackageManager.INSTALL_SUCCEEDED;
    }

    private static boolean isForwardLocked(PackageParser.Package pkg) {
    return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0;
    }

    private static boolean isExternal(PackageParser.Package pkg) {
    return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
    }

    private static boolean isSystemApp(PackageParser.Package pkg) {
    return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
    }

    private static boolean isSystemApp(ApplicationInfo info) {
    return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
    }

    private static boolean isUpdatedSystemApp(PackageParser.Package pkg) {
    return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0;
    }

    private void extractPublicFiles(PackageParser.Package newPackage,
    File publicZipFile) throws IOException {
    final FileOutputStream fstr = new FileOutputStream(publicZipFile);
    final ZipOutputStream publicZipOutStream = new ZipOutputStream(fstr);
    final ZipFile privateZip = new ZipFile(newPackage.mPath);

    // Copy manifest, resources.arsc and res directory to public zip

    final Enumeration<? extends ZipEntry> privateZipEntries = privateZip.entries();
    while (privateZipEntries.hasMoreElements()) {
    final ZipEntry zipEntry = privateZipEntries.nextElement();
    final String zipEntryName = zipEntry.getName();
    if ("AndroidManifest.xml".equals(zipEntryName)
    || "resources.arsc".equals(zipEntryName)
    || zipEntryName.startsWith("res/")) {
    try {
    copyZipEntry(zipEntry, privateZip, publicZipOutStream);
    } catch (IOException e) {
    try {
    publicZipOutStream.close();
    throw e;
    } finally {
    publicZipFile.delete();
    }
    }
    }
    }

    publicZipOutStream.finish();
    publicZipOutStream.flush();
    FileUtils.sync(fstr);
    publicZipOutStream.close();
    FileUtils.setPermissions(
    publicZipFile.getAbsolutePath(),
    FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP|FileUtils.S_IROTH,
    -1, -1);
    }

    private static void copyZipEntry(ZipEntry zipEntry,
    ZipFile inZipFile,
    ZipOutputStream outZipStream) throws IOException {
    byte[] buffer = new byte[4096];
    int num;

    ZipEntry newEntry;
    if (zipEntry.getMethod() == ZipEntry.STORED) {
    // Preserve the STORED method of the input entry.
    newEntry = new ZipEntry(zipEntry);
    } else {
    // Create a new entry so that the compressed len is recomputed.
    newEntry = new ZipEntry(zipEntry.getName());
    }
    outZipStream.putNextEntry(newEntry);

    InputStream data = inZipFile.getInputStream(zipEntry);
    while ((num = data.read(buffer)) > 0) {
    outZipStream.write(buffer, 0, num);
    }
    outZipStream.flush();
    }

    private void deleteTempPackageFiles() {
    FilenameFilter filter = new FilenameFilter() {
    public boolean accept(File dir, String name) {
    return name.startsWith("vmdl") && name.endsWith(".tmp");
    }
    };
    String tmpFilesList[] = mAppInstallDir.list(filter);
    if(tmpFilesList == null) {
    return;
    }
    for(int i = 0; i < tmpFilesList.length; i++) {
    File tmpFile = new File(mAppInstallDir, tmpFilesList[i]);
    tmpFile.delete();
    }
    }

    private File createTempPackageFile(File installDir) {
    File tmpPackageFile;
    try {
    tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir);
    } catch (IOException e) {
    Slog.e(TAG, "Couldn't create temp file for downloaded package file.");
    return null;
    }
    try {
    FileUtils.setPermissions(
    tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR,
    -1, -1);
    } catch (IOException e) {
    Slog.e(TAG, "Trouble getting the canoncical path for a temp file.");
    return null;
    }
    return tmpPackageFile;
    }

    public void deletePackage(final String packageName,
    final IPackageDeleteObserver observer,
    final int flags) {
    mContext.enforceCallingOrSelfPermission(
    android.Manifest.permission.DELETE_PACKAGES, null);
    // Queue up an async operation since the package deletion may take a little while.
    mHandler.post(new Runnable() {
    public void run() {
    mHandler.removeCallbacks(this);
    final boolean succeded = deletePackageX(packageName, true, true, flags);
    if (observer != null) {
    try {
    observer.packageDeleted(succeded);
    } catch (RemoteException e) {
    Log.i(TAG, "Observer no longer exists.");
    } //end catch
    } //end if
    } //end run
    });
    }

    /**
    * This method is an internal method that could be get invoked either
    * to delete an installed package or to clean up a failed installation.
    * After deleting an installed package, a broadcast is sent to notify any
    * listeners that the package has been installed. For cleaning up a failed
    * installation, the broadcast is not necessary since the package's
    * installation wouldn't have sent the initial broadcast either
    * The key steps in deleting a package are
    * deleting the package information in internal structures like mPackages,
    * deleting the packages base directories through installd
    * updating mSettings to reflect current status
    * persisting settings for later use
    * sending a broadcast if necessary
    */
    private boolean deletePackageX(String packageName, boolean sendBroadCast,
    boolean deleteCodeAndResources, int flags) {
    PackageRemovedInfo info = new PackageRemovedInfo();
    boolean res;

    IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface(
    ServiceManager.getService(Context.DEVICE_POLICY_SERVICE));
    try {
    if (dpm != null && dpm.packageHasActiveAdmins(packageName)) {
    Slog.w(TAG, "Not removing package " + packageName + ": has active device admin");
    return false;
    }
    } catch (RemoteException e) {
    }

    synchronized (mInstallLock) {
    res = deletePackageLI(packageName, deleteCodeAndResources,
    flags | REMOVE_CHATTY, info, true);
    }

    if(res && sendBroadCast) {
    boolean systemUpdate = info.isRemovedPackageSystemUpdate;
    info.sendBroadcast(deleteCodeAndResources, systemUpdate);

    // If the removed package was a system update, the old system packaged
    // was re-enabled; we need to broadcast this information
    if (systemUpdate) {
    Bundle extras = new Bundle(1);
    extras.putInt(Intent.EXTRA_UID, info.removedUid >= 0 ? info.removedUid : info.uid);
    extras.putBoolean(Intent.EXTRA_REPLACING, true);

    sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, extras, null);
    sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, extras, null);
    }
    }
    // Force a gc here.
    Runtime.getRuntime().gc();
    // Delete the resources here after sending the broadcast to let
    // other processes clean up before deleting resources.
    if (info.args != null) {
    synchronized (mInstallLock) {
    info.args.doPostDeleteLI(deleteCodeAndResources);
    }
    }
    return res;
    }

    static class PackageRemovedInfo {
    String removedPackage;
    int uid = -1;
    int removedUid = -1;
    boolean isRemovedPackageSystemUpdate = false;
    // Clean up resources deleted packages.
    InstallArgs args = null;

    void sendBroadcast(boolean fullRemove, boolean replacing) {
    Bundle extras = new Bundle(1);
    extras.putInt(Intent.EXTRA_UID, removedUid >= 0 ? removedUid : uid);
    extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove);
    if (replacing) {
    extras.putBoolean(Intent.EXTRA_REPLACING, true);
    }
    if (removedPackage != null) {
    sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, extras, null);
    }
    if (removedUid >= 0) {
    sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null);
    }
    }
    }

    /*
    * This method deletes the package from internal data structures. If the DONT_DELETE_DATA
    * flag is not set, the data directory is removed as well.
    * make sure this flag is set for partially installed apps. If not its meaningless to
    * delete a partially installed application.
    */
    private void removePackageDataLI(PackageParser.Package p, PackageRemovedInfo outInfo,
    int flags, boolean writeSettings) {
    String packageName = p.packageName;
    if (outInfo != null) {
    outInfo.removedPackage = packageName;
    }
    removePackageLI(p, (flags&REMOVE_CHATTY) != 0);
    // Retrieve object to delete permissions for shared user later on
    PackageSetting deletedPs;
    synchronized (mPackages) {
    deletedPs = mSettings.mPackages.get(packageName);
    }
    if ((flags&PackageManager.DONT_DELETE_DATA) == 0) {
    boolean useEncryptedFSDir = useEncryptedFilesystemForPackage(p);
    if (mInstaller != null) {
    int retCode = mInstaller.remove(packageName, useEncryptedFSDir);
    if (retCode < 0) {
    Slog.w(TAG, "Couldn't remove app data or cache directory for package: "
    + packageName + ", retcode=" + retCode);
    // we don't consider this to be a failure of the core package deletion
    }
    } else {
    // for simulator
    PackageParser.Package pkg = mPackages.get(packageName);
    File dataDir = new File(pkg.applicationInfo.dataDir);
    dataDir.delete();
    }
    schedulePackageCleaning(packageName);
    }
    synchronized (mPackages) {
    if (deletedPs != null) {
    if ((flags&PackageManager.DONT_DELETE_DATA) == 0) {
    if (outInfo != null) {
    outInfo.removedUid = mSettings.removePackageLP(packageName);
    }
    if (deletedPs != null) {
    updatePermissionsLP(deletedPs.name, null, false, false, false);
    if (deletedPs.sharedUser != null) {
    // remove permissions associated with package
    mSettings.updateSharedUserPermsLP(deletedPs, mGlobalGids);
    }
    }
    }
    // remove from preferred activities.
    ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>();
    for (PreferredActivity pa : mSettings.mPreferredActivities.filterSet()) {
    if (pa.mActivity.getPackageName().equals(deletedPs.name)) {
    removed.add(pa);
    }
    }
    for (PreferredActivity pa : removed) {
    mSettings.mPreferredActivities.removeFilter(pa);
    }
    }
    if (writeSettings) {
    // Save settings now
    mSettings.writeLP();
    }
    }
    }

    /*
    * Tries to delete system package.
    */
    private boolean deleteSystemPackageLI(PackageParser.Package p,
    int flags, PackageRemovedInfo outInfo, boolean writeSettings) {
    ApplicationInfo applicationInfo = p.applicationInfo;
    //applicable for non-partially installed applications only
    if (applicationInfo == null) {
    Slog.w(TAG, "Package " + p.packageName + " has no applicationInfo.");
    return false;
    }
    PackageSetting ps = null;
    // Confirm if the system package has been updated
    // An updated system app can be deleted. This will also have to restore
    // the system pkg from system partition
    synchronized (mPackages) {
    ps = mSettings.getDisabledSystemPkg(p.packageName);
    }
    if (ps == null) {
    Slog.w(TAG, "Attempt to delete unknown system package "+ p.packageName);
    return false;
    } else {
    Log.i(TAG, "Deleting system pkg from data partition");
    }
    // Delete the updated package
    outInfo.isRemovedPackageSystemUpdate = true;
    if (ps.versionCode < p.mVersionCode) {
    // Delete data for downgrades
    flags &= ~PackageManager.DONT_DELETE_DATA;
    } else {
    // Preserve data by setting flag
    flags |= PackageManager.DONT_DELETE_DATA;
    }
    boolean ret = deleteInstalledPackageLI(p, true, flags, outInfo,
    writeSettings);
    if (!ret) {
    return false;
    }
    synchronized (mPackages) {
    // Reinstate the old system package
    mSettings.enableSystemPackageLP(p.packageName);
    // Remove any native libraries from the upgraded package.
    NativeLibraryHelper.removeNativeBinariesLI(p.applicationInfo.nativeLibraryDir);
    }
    // Install the system package
    PackageParser.Package newPkg = scanPackageLI(ps.codePath,
    PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM,
    SCAN_MONITOR | SCAN_NO_PATHS, 0);

    if (newPkg == null) {
    Slog.w(TAG, "Failed to restore system package:"+p.packageName+" with error:" + mLastScanError);
    return false;
    }
    synchronized (mPackages) {
    updatePermissionsLP(newPkg.packageName, newPkg, true, true, false);
    if (writeSettings) {
    mSettings.writeLP();
    }
    }
    return true;
    }

    private boolean deleteInstalledPackageLI(PackageParser.Package p,
    boolean deleteCodeAndResources, int flags, PackageRemovedInfo outInfo,
    boolean writeSettings) {
    ApplicationInfo applicationInfo = p.applicationInfo;
    if (applicationInfo == null) {
    Slog.w(TAG, "Package " + p.packageName + " has no applicationInfo.");
    return false;
    }
    if (outInfo != null) {
    outInfo.uid = applicationInfo.uid;
    }

    // Delete package data from internal structures and also remove data if flag is set
    removePackageDataLI(p, outInfo, flags, writeSettings);

    // Delete application code and resources
    if (deleteCodeAndResources) {
    // TODO can pick up from PackageSettings as well
    int installFlags = isExternal(p) ? PackageManager.INSTALL_EXTERNAL : 0;
    installFlags |= isForwardLocked(p) ? PackageManager.INSTALL_FORWARD_LOCK : 0;
    outInfo.args = createInstallArgs(installFlags, applicationInfo.sourceDir,
    applicationInfo.publicSourceDir, applicationInfo.nativeLibraryDir);
    }
    return true;
    }

    /*
    * This method handles package deletion in general
    */
    private boolean deletePackageLI(String packageName,
    boolean deleteCodeAndResources, int flags, PackageRemovedInfo outInfo,
    boolean writeSettings) {
    if (packageName == null) {
    Slog.w(TAG, "Attempt to delete null packageName.");
    return false;
    }
    PackageParser.Package p;
    boolean dataOnly = false;
    synchronized (mPackages) {
    p = mPackages.get(packageName);
    if (p == null) {
    //this retrieves partially installed apps
    dataOnly = true;
    PackageSetting ps = mSettings.mPackages.get(packageName);
    if (ps == null) {
    Slog.w(TAG, "Package named '" + packageName +"' doesn't exist.");
    return false;
    }
    p = ps.pkg;
    }
    }
    if (p == null) {
    Slog.w(TAG, "Package named '" + packageName +"' doesn't exist.");
    return false;
    }

    if (dataOnly) {
    // Delete application data first
    removePackageDataLI(p, outInfo, flags, writeSettings);
    return true;
    }
    // At this point the package should have ApplicationInfo associated with it
    if (p.applicationInfo == null) {
    Slog.w(TAG, "Package " + p.packageName + " has no applicationInfo.");
    return false;
    }
    boolean ret = false;
    if (isSystemApp(p)) {
    Log.i(TAG, "Removing system package:"+p.packageName);
    // When an updated system application is deleted we delete the existing resources as well and
    // fall back to existing code in system partition
    ret = deleteSystemPackageLI(p, flags, outInfo, writeSettings);
    } else {
    Log.i(TAG, "Removing non-system package:"+p.packageName);
    // Kill application pre-emptively especially for apps on sd.
    killApplication(packageName, p.applicationInfo.uid);
    ret = deleteInstalledPackageLI(p, deleteCodeAndResources, flags, outInfo,
    writeSettings);
    }
    return ret;
    }

    public void clearApplicationUserData(final String packageName,
    final IPackageDataObserver observer) {
    mContext.enforceCallingOrSelfPermission(
    android.Manifest.permission.CLEAR_APP_USER_DATA, null);
    // Queue up an async operation since the package deletion may take a little while.
    mHandler.post(new Runnable() {
    public void run() {
    mHandler.removeCallbacks(this);
    final boolean succeeded;
    synchronized (mInstallLock) {
    succeeded = clearApplicationUserDataLI(packageName);
    }
    if (succeeded) {
    // invoke DeviceStorageMonitor's update method to clear any notifications
    DeviceStorageMonitorService dsm = (DeviceStorageMonitorService)
    ServiceManager.getService(DeviceStorageMonitorService.SERVICE);
    if (dsm != null) {
    dsm.updateMemory();
    }
    }
    if(observer != null) {
    try {
    observer.onRemoveCompleted(packageName, succeeded);
    } catch (RemoteException e) {
    Log.i(TAG, "Observer no longer exists.");
    }
    } //end if observer
    } //end run
    });
    }

    private boolean clearApplicationUserDataLI(String packageName) {
    if (packageName == null) {
    Slog.w(TAG, "Attempt to delete null packageName.");
    return false;
    }
    PackageParser.Package p;
    boolean dataOnly = false;
    synchronized (mPackages) {
    p = mPackages.get(packageName);
    if(p == null) {
    dataOnly = true;
    PackageSetting ps = mSettings.mPackages.get(packageName);
    if((ps == null) || (ps.pkg == null)) {
    Slog.w(TAG, "Package named '" + packageName +"' doesn't exist.");
    return false;
    }
    p = ps.pkg;
    }
    }
    boolean useEncryptedFSDir = false;

    if(!dataOnly) {
    //need to check this only for fully installed applications
    if (p == null) {
    Slog.w(TAG, "Package named '" + packageName +"' doesn't exist.");
    return false;
    }
    final ApplicationInfo applicationInfo = p.applicationInfo;
    if (applicationInfo == null) {
    Slog.w(TAG, "Package " + packageName + " has no applicationInfo.");
    return false;
    }
    useEncryptedFSDir = useEncryptedFilesystemForPackage(p);
    }
    if (mInstaller != null) {
    int retCode = mInstaller.clearUserData(packageName, useEncryptedFSDir);
    if (retCode < 0) {
    Slog.w(TAG, "Couldn't remove cache files for package: "
    + packageName);
    return false;
    }
    }
    return true;
    }

    public void deleteApplicationCacheFiles(final String packageName,
    final IPackageDataObserver observer) {
    mContext.enforceCallingOrSelfPermission(
    android.Manifest.permission.DELETE_CACHE_FILES, null);
    // Queue up an async operation since the package deletion may take a little while.
    mHandler.post(new Runnable() {
    public void run() {
    mHandler.removeCallbacks(this);
    final boolean succeded;
    synchronized (mInstallLock) {
    succeded = deleteApplicationCacheFilesLI(packageName);
    }
    if(observer != null) {
    try {
    observer.onRemoveCompleted(packageName, succeded);
    } catch (RemoteException e) {
    Log.i(TAG, "Observer no longer exists.");
    }
    } //end if observer
    } //end run
    });
    }

    private boolean deleteApplicationCacheFilesLI(String packageName) {
    if (packageName == null) {
    Slog.w(TAG, "Attempt to delete null packageName.");
    return false;
    }
    PackageParser.Package p;
    synchronized (mPackages) {
    p = mPackages.get(packageName);
    }
    if (p == null) {
    Slog.w(TAG, "Package named '" + packageName +"' doesn't exist.");
    return false;
    }
    final ApplicationInfo applicationInfo = p.applicationInfo;
    if (applicationInfo == null) {
    Slog.w(TAG, "Package " + packageName + " has no applicationInfo.");
    return false;
    }
    boolean useEncryptedFSDir = useEncryptedFilesystemForPackage(p);
    if (mInstaller != null) {
    int retCode = mInstaller.deleteCacheFiles(packageName, useEncryptedFSDir);
    if (retCode < 0) {
    Slog.w(TAG, "Couldn't remove cache files for package: "
    + packageName);
    return false;
    }
    }
    return true;
    }

    public void getPackageSizeInfo(final String packageName,
    final IPackageStatsObserver observer) {
    mContext.enforceCallingOrSelfPermission(
    android.Manifest.permission.GET_PACKAGE_SIZE, null);
    // Queue up an async operation since the package deletion may take a little while.
    mHandler.post(new Runnable() {
    public void run() {
    mHandler.removeCallbacks(this);
    PackageStats lStats = new PackageStats(packageName);
    final boolean succeded;
    synchronized (mInstallLock) {
    succeded = getPackageSizeInfoLI(packageName, lStats);
    }
    if(observer != null) {
    try {
    observer.onGetStatsCompleted(lStats, succeded);
    } catch (RemoteException e) {
    Log.i(TAG, "Observer no longer exists.");
    }
    } //end if observer
    } //end run
    });
    }

    private boolean getPackageSizeInfoLI(String packageName, PackageStats pStats) {
    if (packageName == null) {
    Slog.w(TAG, "Attempt to get size of null packageName.");
    return false;
    }
    PackageParser.Package p;
    boolean dataOnly = false;
    synchronized (mPackages) {
    p = mPackages.get(packageName);
    if(p == null) {
    dataOnly = true;
    PackageSetting ps = mSettings.mPackages.get(packageName);
    if((ps == null) || (ps.pkg == null)) {
    Slog.w(TAG, "Package named '" + packageName +"' doesn't exist.");
    return false;
    }
    p = ps.pkg;
    }
    }
    String publicSrcDir = null;
    if(!dataOnly) {
    final ApplicationInfo applicationInfo = p.applicationInfo;
    if (applicationInfo == null) {
    Slog.w(TAG, "Package " + packageName + " has no applicationInfo.");
    return false;
    }
    publicSrcDir = isForwardLocked(p) ? applicationInfo.publicSourceDir : null;
    }
    boolean useEncryptedFSDir = useEncryptedFilesystemForPackage(p);
    if (mInstaller != null) {
    int res = mInstaller.getSizeInfo(packageName, p.mPath,
    publicSrcDir, pStats, useEncryptedFSDir);
    if (res < 0) {
    return false;
    } else {
    return true;
    }
    }
    return true;
    }


    public void addPackageToPreferred(String packageName) {
    Slog.w(TAG, "addPackageToPreferred: this is now a no-op");
    }

    public void removePackageFromPreferred(String packageName) {
    Slog.w(TAG, "removePackageFromPreferred: this is now a no-op");
    }

    public List<PackageInfo> getPreferredPackages(int flags) {
    return new ArrayList<PackageInfo>();
    }

    int getUidTargetSdkVersionLockedLP(int uid) {
    Object obj = mSettings.getUserIdLP(uid);
    if (obj instanceof SharedUserSetting) {
    SharedUserSetting sus = (SharedUserSetting)obj;
    final int N = sus.packages.size();
    int vers = Build.VERSION_CODES.CUR_DEVELOPMENT;
    Iterator<PackageSetting> it = sus.packages.iterator();
    int i=0;
    while (it.hasNext()) {
    PackageSetting ps = it.next();
    if (ps.pkg != null) {
    int v = ps.pkg.applicationInfo.targetSdkVersion;
    if (v < vers) vers = v;
    }
    }
    return vers;
    } else if (obj instanceof PackageSetting) {
    PackageSetting ps = (PackageSetting)obj;
    if (ps.pkg != null) {
    return ps.pkg.applicationInfo.targetSdkVersion;
    }
    }
    return Build.VERSION_CODES.CUR_DEVELOPMENT;
    }

    public void addPreferredActivity(IntentFilter filter, int match,
    ComponentName[] set, ComponentName activity) {
    synchronized (mPackages) {
    if (mContext.checkCallingOrSelfPermission(
    android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
    != PackageManager.PERMISSION_GRANTED) {
    if (getUidTargetSdkVersionLockedLP(Binder.getCallingUid())
    < Build.VERSION_CODES.FROYO) {
    Slog.w(TAG, "Ignoring addPreferredActivity() from uid "
    + Binder.getCallingUid());
    return;
    }
    mContext.enforceCallingOrSelfPermission(
    android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
    }

    Slog.i(TAG, "Adding preferred activity " + activity + ":");
    filter.dump(new LogPrinter(Log.INFO, TAG), " ");
    mSettings.mPreferredActivities.addFilter(
    new PreferredActivity(filter, match, set, activity));
    scheduleWriteSettingsLocked();
    }
    }

    public void replacePreferredActivity(IntentFilter filter, int match,
    ComponentName[] set, ComponentName activity) {
    if (filter.countActions() != 1) {
    throw new IllegalArgumentException(
    "replacePreferredActivity expects filter to have only 1 action.");
    }
    if (filter.countCategories() != 1) {
    throw new IllegalArgumentException(
    "replacePreferredActivity expects filter to have only 1 category.");
    }
    if (filter.countDataAuthorities() != 0
    || filter.countDataPaths() != 0
    || filter.countDataSchemes() != 0
    || filter.countDataTypes() != 0) {
    throw new IllegalArgumentException(
    "replacePreferredActivity expects filter to have no data authorities, " +
    "paths, schemes or types.");
    }
    synchronized (mPackages) {
    if (mContext.checkCallingOrSelfPermission(
    android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
    != PackageManager.PERMISSION_GRANTED) {
    if (getUidTargetSdkVersionLockedLP(Binder.getCallingUid())
    < Build.VERSION_CODES.FROYO) {
    Slog.w(TAG, "Ignoring replacePreferredActivity() from uid "
    + Binder.getCallingUid());
    return;
    }
    mContext.enforceCallingOrSelfPermission(
    android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
    }

    Iterator<PreferredActivity> it = mSettings.mPreferredActivities.filterIterator();
    String action = filter.getAction(0);
    String category = filter.getCategory(0);
    while (it.hasNext()) {
    PreferredActivity pa = it.next();
    if (pa.getAction(0).equals(action) && pa.getCategory(0).equals(category)) {
    it.remove();
    Log.i(TAG, "Removed preferred activity " + pa.mActivity + ":");
    filter.dump(new LogPrinter(Log.INFO, TAG), " ");
    }
    }
    addPreferredActivity(filter, match, set, activity);
    }
    }

    public void clearPackagePreferredActivities(String packageName) {
    synchronized (mPackages) {
    int uid = Binder.getCallingUid();
    PackageParser.Package pkg = mPackages.get(packageName);
    if (pkg == null || pkg.applicationInfo.uid != uid) {
    if (mContext.checkCallingOrSelfPermission(
    android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
    != PackageManager.PERMISSION_GRANTED) {
    if (getUidTargetSdkVersionLockedLP(Binder.getCallingUid())
    < Build.VERSION_CODES.FROYO) {
    Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid "
    + Binder.getCallingUid());
    return;
    }
    mContext.enforceCallingOrSelfPermission(
    android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
    }
    }

    if (clearPackagePreferredActivitiesLP(packageName)) {
    scheduleWriteSettingsLocked();
    }
    }
    }

    boolean clearPackagePreferredActivitiesLP(String packageName) {
    boolean changed = false;
    Iterator<PreferredActivity> it = mSettings.mPreferredActivities.filterIterator();
    while (it.hasNext()) {
    PreferredActivity pa = it.next();
    if (pa.mActivity.getPackageName().equals(packageName)) {
    it.remove();
    changed = true;
    }
    }
    return changed;
    }

    public int getPreferredActivities(List<IntentFilter> outFilters,
    List<ComponentName> outActivities, String packageName) {

    int num = 0;
    synchronized (mPackages) {
    Iterator<PreferredActivity> it = mSettings.mPreferredActivities.filterIterator();
    while (it.hasNext()) {
    PreferredActivity pa = it.next();
    if (packageName == null
    || pa.mActivity.getPackageName().equals(packageName)) {
    if (outFilters != null) {
    outFilters.add(new IntentFilter(pa));
    }
    if (outActivities != null) {
    outActivities.add(pa.mActivity);
    }
    }
    }
    }

    return num;
    }

    public void setApplicationEnabledSetting(String appPackageName,
    int newState, int flags) {
    setEnabledSetting(appPackageName, null, newState, flags);
    }

    public void setComponentEnabledSetting(ComponentName componentName,
    int newState, int flags) {
    setEnabledSetting(componentName.getPackageName(),
    componentName.getClassName(), newState, flags);
    }

    private void setEnabledSetting(
    final String packageName, String className, int newState, final int flags) {
    if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT
    || newState == COMPONENT_ENABLED_STATE_ENABLED
    || newState == COMPONENT_ENABLED_STATE_DISABLED)) {
    throw new IllegalArgumentException("Invalid new component state: "
    + newState);
    }
    PackageSetting pkgSetting;
    final int uid = Binder.getCallingUid();
    final int permission = mContext.checkCallingPermission(
    android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE);
    final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED);
    boolean sendNow = false;
    boolean isApp = (className == null);
    String componentName = isApp ? packageName : className;
    int packageUid = -1;
    ArrayList<String> components;
    synchronized (mPackages) {
    pkgSetting = mSettings.mPackages.get(packageName);
    if (pkgSetting == null) {
    if (className == null) {
    throw new IllegalArgumentException(
    "Unknown package: " + packageName);
    }
    throw new IllegalArgumentException(
    "Unknown component: " + packageName
    + "/" + className);
    }
    if (!allowedByPermission && (uid != pkgSetting.userId)) {
    throw new SecurityException(
    "Permission Denial: attempt to change component state from pid="
    + Binder.getCallingPid()
    + ", uid=" + uid + ", package uid=" + pkgSetting.userId);
    }
    if (className == null) {
    // We're dealing with an application/package level state change
    if (pkgSetting.enabled == newState) {
    // Nothing to do
    return;
    }
    pkgSetting.enabled = newState;
    pkgSetting.pkg.mSetEnabled = newState;
    } else {
    // We're dealing with a component level state change
    switch (newState) {
    case COMPONENT_ENABLED_STATE_ENABLED:
    if (!pkgSetting.enableComponentLP(className)) {
    return;
    }
    break;
    case COMPONENT_ENABLED_STATE_DISABLED:
    if (!pkgSetting.disableComponentLP(className)) {
    return;
    }
    break;
    case COMPONENT_ENABLED_STATE_DEFAULT:
    if (!pkgSetting.restoreComponentLP(className)) {
    return;
    }
    break;
    default:
    Slog.e(TAG, "Invalid new component state: " + newState);
    return;
    }
    }
    mSettings.writeLP();
    packageUid = pkgSetting.userId;
    components = mPendingBroadcasts.get(packageName);
    boolean newPackage = components == null;
    if (newPackage) {
    components = new ArrayList<String>();
    }
    if (!components.contains(componentName)) {
    components.add(componentName);
    }
    if ((flags&PackageManager.DONT_KILL_APP) == 0) {
    sendNow = true;
    // Purge entry from pending broadcast list if another one exists already
    // since we are sending one right away.
    mPendingBroadcasts.remove(packageName);
    } else {
    if (newPackage) {
    mPendingBroadcasts.put(packageName, components);
    }
    if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) {
    // Schedule a message
    mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY);
    }
    }
    }

    long callingId = Binder.clearCallingIdentity();
    try {
    if (sendNow) {
    sendPackageChangedBroadcast(packageName,
    (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid);
    }
    } finally {
    Binder.restoreCallingIdentity(callingId);
    }
    }

    private void sendPackageChangedBroadcast(String packageName,
    boolean killFlag, ArrayList<String> componentNames, int packageUid) {
    if (false) Log.v(TAG, "Sending package changed: package=" + packageName
    + " components=" + componentNames);
    Bundle extras = new Bundle(4);
    extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0));
    String nameList[] = new String[componentNames.size()];
    componentNames.toArray(nameList);
    extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList);
    extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag);
    extras.putInt(Intent.EXTRA_UID, packageUid);
    sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null);
    }

    public String getInstallerPackageName(String packageName) {
    synchronized (mPackages) {
    PackageSetting pkg = mSettings.mPackages.get(packageName);
    if (pkg == null) {
    throw new IllegalArgumentException("Unknown package: " + packageName);
    }
    return pkg.installerPackageName;
    }
    }

    public int getApplicationEnabledSetting(String appPackageName) {
    synchronized (mPackages) {
    PackageSetting pkg = mSettings.mPackages.get(appPackageName);
    if (pkg == null) {
    throw new IllegalArgumentException("Unknown package: " + appPackageName);
    }
    return pkg.enabled;
    }
    }

    public int getComponentEnabledSetting(ComponentName componentName) {
    synchronized (mPackages) {
    final String packageNameStr = componentName.getPackageName();
    PackageSetting pkg = mSettings.mPackages.get(packageNameStr);
    if (pkg == null) {
    throw new IllegalArgumentException("Unknown component: " + componentName);
    }
    final String classNameStr = componentName.getClassName();
    return pkg.currentEnabledStateLP(classNameStr);
    }
    }

    public void enterSafeMode() {
    if (!mSystemReady) {
    mSafeMode = true;
    }
    }

    public void systemReady() {
    mSystemReady = true;

    // Read the compatibilty setting when the system is ready.
    boolean compatibilityModeEnabled = android.provider.Settings.System.getInt(
    mContext.getContentResolver(),
    android.provider.Settings.System.COMPATIBILITY_MODE, 1) == 1;
    PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled);
    if (DEBUG_SETTINGS) {
    Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled);
    }
    }

    public boolean isSafeMode() {
    return mSafeMode;
    }

    public boolean hasSystemUidErrors() {
    return mHasSystemUidErrors;
    }

    static String arrayToString(int[] array) {
    StringBuffer buf = new StringBuffer(128);
    buf.append('[');
    if (array != null) {
    for (int i=0; i<array.length; i++) {
    if (i > 0) buf.append(", ");
    buf.append(array[i]);
    }
    }
    buf.append(']');
    return buf.toString();
    }

    @Override
    protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
    if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
    != PackageManager.PERMISSION_GRANTED) {
    pw.println("Permission Denial: can't dump ActivityManager from from pid="
    + Binder.getCallingPid()
    + ", uid=" + Binder.getCallingUid()
    + " without permission "
    + android.Manifest.permission.DUMP);
    return;
    }

    boolean dumpStar = true;
    boolean dumpLibs = false;
    boolean dumpFeatures = false;
    boolean dumpResolvers = false;
    boolean dumpPermissions = false;
    boolean dumpPackages = false;
    boolean dumpSharedUsers = false;
    boolean dumpMessages = false;
    boolean dumpProviders = false;

    String packageName = null;
    boolean showFilters = false;

    int opti = 0;
    while (opti < args.length) {
    String opt = args[opti];
    if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') {
    break;
    }
    opti++;
    if ("-a".equals(opt)) {
    // Right now we only know how to print all.
    } else if ("-h".equals(opt)) {
    pw.println("Package manager dump options:");
    pw.println(" [-h] [-f] [cmd] ...");
    pw.println(" -f: print details of intent filters");
    pw.println(" -h: print this help");
    pw.println(" cmd may be one of:");
    pw.println(" l[ibraries]: list known shared libraries");
    pw.println(" f[ibraries]: list device features");
    pw.println(" r[esolvers]: dump intent resolvers");
    pw.println(" perm[issions]: dump permissions");
    pw.println(" prov[iders]: dump content providers");
    pw.println(" p[ackages]: dump installed packages");
    pw.println(" s[hared-users]: dump shared user IDs");
    pw.println(" m[essages]: print collected runtime messages");
    pw.println(" <package.name>: info about given package");
    return;
    } else if ("-f".equals(opt)) {
    showFilters = true;
    } else {
    pw.println("Unknown argument: " + opt + "; use -h for help");
    }
    }

    // Is the caller requesting to dump a particular piece of data?
    if (opti < args.length) {
    String cmd = args[opti];
    opti++;
    // Is this a package name?
    if ("android".equals(cmd) || cmd.contains(".")) {
    packageName = cmd;
    } else if ("l".equals(cmd) || "libraries".equals(cmd)) {
    dumpStar = false;
    dumpLibs = true;
    } else if ("f".equals(cmd) || "features".equals(cmd)) {
    dumpStar = false;
    dumpFeatures = true;
    } else if ("r".equals(cmd) || "resolvers".equals(cmd)) {
    dumpStar = false;
    dumpResolvers = true;
    } else if ("perm".equals(cmd) || "permissions".equals(cmd)) {
    dumpStar = false;
    dumpPermissions = true;
    } else if ("p".equals(cmd) || "packages".equals(cmd)) {
    dumpStar = false;
    dumpPackages = true;
    } else if ("s".equals(cmd) || "shared-users".equals(cmd)) {
    dumpStar = false;
    dumpSharedUsers = true;
    } else if ("prov".equals(cmd) || "providers".equals(cmd)) {
    dumpStar = false;
    dumpProviders = true;
    } else if ("m".equals(cmd) || "messages".equals(cmd)) {
    dumpStar = false;
    dumpMessages = true;
    }
    }

    boolean printedTitle = false;

    synchronized (mPackages) {
    if ((dumpStar || dumpLibs) && packageName == null) {
    if (printedTitle) pw.println(" ");
    printedTitle = true;
    pw.println("Libraries:");
    Iterator<String> it = mSharedLibraries.keySet().iterator();
    while (it.hasNext()) {
    String name = it.next();
    pw.print(" ");
    pw.print(name);
    pw.print(" -> ");
    pw.println(mSharedLibraries.get(name));
    }
    }

    if ((dumpStar || dumpFeatures) && packageName == null) {
    if (printedTitle) pw.println(" ");
    printedTitle = true;
    pw.println("Features:");
    Iterator<String> it = mAvailableFeatures.keySet().iterator();
    while (it.hasNext()) {
    String name = it.next();
    pw.print(" ");
    pw.println(name);
    }
    }

    if (dumpStar || dumpResolvers) {
    if (mActivities.dump(pw, printedTitle
    ? "\nActivity Resolver Table:" : "Activity Resolver Table:",
    " ", packageName, showFilters)) {
    printedTitle = true;
    }
    if (mReceivers.dump(pw, printedTitle
    ? "\nReceiver Resolver Table:" : "Receiver Resolver Table:",
    " ", packageName, showFilters)) {
    printedTitle = true;
    }
    if (mServices.dump(pw, printedTitle
    ? "\nService Resolver Table:" : "Service Resolver Table:",
    " ", packageName, showFilters)) {
    printedTitle = true;
    }
    if (mSettings.mPreferredActivities.dump(pw, printedTitle
    ? "\nPreferred Activities:" : "Preferred Activities:",
    " ", packageName, showFilters)) {
    printedTitle = true;
    }
    }

    boolean printedSomething = false;
    if (dumpStar || dumpPermissions) {
    for (BasePermission p : mSettings.mPermissions.values()) {
    if (packageName != null && !packageName.equals(p.sourcePackage)) {
    continue;
    }
    if (!printedSomething) {
    if (printedTitle) pw.println(" ");
    pw.println("Permissions:");
    printedSomething = true;
    printedTitle = true;
    }
    pw.print(" Permission ["); pw.print(p.name); pw.print("] (");
    pw.print(Integer.toHexString(System.identityHashCode(p)));
    pw.println("):");
    pw.print(" sourcePackage="); pw.println(p.sourcePackage);
    pw.print(" uid="); pw.print(p.uid);
    pw.print(" gids="); pw.print(arrayToString(p.gids));
    pw.print(" type="); pw.print(p.type);
    pw.print(" prot="); pw.println(p.protectionLevel);
    if (p.packageSetting != null) {
    pw.print(" packageSetting="); pw.println(p.packageSetting);
    }
    if (p.perm != null) {
    pw.print(" perm="); pw.println(p.perm);
    }
    }
    }

    if (dumpStar || dumpProviders) {
    printedSomething = false;
    for (PackageParser.Provider p : mProviders.values()) {
    if (packageName != null && !packageName.equals(p.info.packageName)) {
    continue;
    }
    if (!printedSomething) {
    if (printedTitle) pw.println(" ");
    pw.println("Registered ContentProviders:");
    printedSomething = true;
    printedTitle = true;
    }
    pw.print(" ["); pw.print(p.info.authority); pw.print("]: ");
    pw.println(p.toString());
    }
    }

    printedSomething = false;
    SharedUserSetting packageSharedUser = null;
    if (dumpStar || dumpPackages) {
    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    Date date = new Date();
    for (PackageSetting ps : mSettings.mPackages.values()) {
    if (packageName != null && !packageName.equals(ps.realName)
    && !packageName.equals(ps.name)) {
    continue;
    }
    if (!printedSomething) {
    if (printedTitle) pw.println(" ");
    pw.println("Packages:");
    printedSomething = true;
    printedTitle = true;
    }
    packageSharedUser = ps.sharedUser;
    pw.print(" Package [");
    pw.print(ps.realName != null ? ps.realName : ps.name);
    pw.print("] (");
    pw.print(Integer.toHexString(System.identityHashCode(ps)));
    pw.println("):");
    if (ps.realName != null) {
    pw.print(" compat name="); pw.println(ps.name);
    }
    pw.print(" userId="); pw.print(ps.userId);
    pw.print(" gids="); pw.println(arrayToString(ps.gids));
    pw.print(" sharedUser="); pw.println(ps.sharedUser);
    pw.print(" pkg="); pw.println(ps.pkg);
    pw.print(" codePath="); pw.println(ps.codePathString);
    pw.print(" resourcePath="); pw.println(ps.resourcePathString);
    pw.print(" nativeLibraryPath="); pw.println(ps.nativeLibraryPathString);
    pw.print(" versionCode="); pw.println(ps.versionCode);
    if (ps.pkg != null) {
    pw.print(" versionName="); pw.println(ps.pkg.mVersionName);
    pw.print(" dataDir="); pw.println(ps.pkg.applicationInfo.dataDir);
    pw.print(" targetSdk="); pw.println(ps.pkg.applicationInfo.targetSdkVersion);
    if (ps.pkg.mOperationPending) {
    pw.println(" mOperationPending=true");
    }
    pw.print(" supportsScreens=[");
    boolean first = true;
    if ((ps.pkg.applicationInfo.flags &
    ApplicationInfo.FLAG_SUPPORTS_SMALL_SCREENS) != 0) {
    if (!first) pw.print(", ");
    first = false;
    pw.print("small");
    }
    if ((ps.pkg.applicationInfo.flags &
    ApplicationInfo.FLAG_SUPPORTS_NORMAL_SCREENS) != 0) {
    if (!first) pw.print(", ");
    first = false;
    pw.print("medium");
    }
    if ((ps.pkg.applicationInfo.flags &
    ApplicationInfo.FLAG_SUPPORTS_LARGE_SCREENS) != 0) {
    if (!first) pw.print(", ");
    first = false;
    pw.print("large");
    }
    if ((ps.pkg.applicationInfo.flags &
    ApplicationInfo.FLAG_SUPPORTS_XLARGE_SCREENS) != 0) {
    if (!first) pw.print(", ");
    first = false;
    pw.print("xlarge");
    }
    if ((ps.pkg.applicationInfo.flags &
    ApplicationInfo.FLAG_RESIZEABLE_FOR_SCREENS) != 0) {
    if (!first) pw.print(", ");
    first = false;
    pw.print("resizeable");
    }
    if ((ps.pkg.applicationInfo.flags &
    ApplicationInfo.FLAG_SUPPORTS_SCREEN_DENSITIES) != 0) {
    if (!first) pw.print(", ");
    first = false;
    pw.print("anyDensity");
    }
    }
    pw.println("]");
    pw.print(" timeStamp=");
    date.setTime(ps.timeStamp); pw.println(sdf.format(date));
    pw.print(" firstInstallTime=");
    date.setTime(ps.firstInstallTime); pw.println(sdf.format(date));
    pw.print(" lastUpdateTime=");
    date.setTime(ps.lastUpdateTime); pw.println(sdf.format(date));
    pw.print(" signatures="); pw.println(ps.signatures);
    pw.print(" permissionsFixed="); pw.print(ps.permissionsFixed);
    pw.print(" haveGids="); pw.println(ps.haveGids);
    pw.print(" pkgFlags=0x"); pw.print(Integer.toHexString(ps.pkgFlags));
    pw.print(" installStatus="); pw.print(ps.installStatus);
    pw.print(" enabled="); pw.println(ps.enabled);
    if (ps.disabledComponents.size() > 0) {
    pw.println(" disabledComponents:");
    for (String s : ps.disabledComponents) {
    pw.print(" "); pw.println(s);
    }
    }
    if (ps.enabledComponents.size() > 0) {
    pw.println(" enabledComponents:");
    for (String s : ps.enabledComponents) {
    pw.print(" "); pw.println(s);
    }
    }
    if (ps.grantedPermissions.size() > 0) {
    pw.println(" grantedPermissions:");
    for (String s : ps.grantedPermissions) {
    pw.print(" "); pw.println(s);
    }
    }
    }
    }
    printedSomething = false;
    if (dumpStar || dumpPackages) {
    if (mSettings.mRenamedPackages.size() > 0) {
    for (HashMap.Entry<String, String> e
    : mSettings.mRenamedPackages.entrySet()) {
    if (packageName != null && !packageName.equals(e.getKey())
    && !packageName.equals(e.getValue())) {
    continue;
    }
    if (!printedSomething) {
    if (printedTitle) pw.println(" ");
    pw.println("Renamed packages:");
    printedSomething = true;
    printedTitle = true;
    }
    pw.print(" "); pw.print(e.getKey()); pw.print(" -> ");
    pw.println(e.getValue());
    }
    }
    printedSomething = false;
    if (mSettings.mDisabledSysPackages.size() > 0) {
    for (PackageSetting ps : mSettings.mDisabledSysPackages.values()) {
    if (packageName != null && !packageName.equals(ps.realName)
    && !packageName.equals(ps.name)) {
    continue;
    }
    if (!printedSomething) {
    if (printedTitle) pw.println(" ");
    pw.println("Hidden system packages:");
    printedSomething = true;
    printedTitle = true;
    }
    pw.print(" Package [");
    pw.print(ps.realName != null ? ps.realName : ps.name);
    pw.print("] (");
    pw.print(Integer.toHexString(System.identityHashCode(ps)));
    pw.println("):");
    if (ps.realName != null) {
    pw.print(" compat name="); pw.println(ps.name);
    }
    pw.print(" userId="); pw.println(ps.userId);
    pw.print(" sharedUser="); pw.println(ps.sharedUser);
    pw.print(" codePath="); pw.println(ps.codePathString);
    pw.print(" resourcePath="); pw.println(ps.resourcePathString);
    }
    }
    }
    printedSomething = false;
    if (dumpStar || dumpSharedUsers) {
    for (SharedUserSetting su : mSettings.mSharedUsers.values()) {
    if (packageName != null && su != packageSharedUser) {
    continue;
    }
    if (!printedSomething) {
    if (printedTitle) pw.println(" ");
    pw.println("Shared users:");
    printedSomething = true;
    printedTitle = true;
    }
    pw.print(" SharedUser ["); pw.print(su.name); pw.print("] (");
    pw.print(Integer.toHexString(System.identityHashCode(su)));
    pw.println("):");
    pw.print(" userId="); pw.print(su.userId);
    pw.print(" gids="); pw.println(arrayToString(su.gids));
    pw.println(" grantedPermissions:");
    for (String s : su.grantedPermissions) {
    pw.print(" "); pw.println(s);
    }
    }
    }

    if ((dumpStar || dumpMessages) && packageName == null) {
    if (printedTitle) pw.println(" ");
    printedTitle = true;
    pw.println("Settings parse messages:");
    pw.print(mSettings.mReadMessages.toString());

    pw.println(" ");
    pw.println("Package warning messages:");
    File fname = getSettingsProblemFile();
    FileInputStream in;
    try {
    in = new FileInputStream(fname);
    int avail = in.available();
    byte[] data = new byte[avail];
    in.read(data);
    pw.print(new String(data));
    } catch (FileNotFoundException e) {
    } catch (IOException e) {
    }
    }
    }
    }

    static final class BasePermission {
    final static int TYPE_NORMAL = 0;
    final static int TYPE_BUILTIN = 1;
    final static int TYPE_DYNAMIC = 2;

    final String name;
    String sourcePackage;
    PackageSettingBase packageSetting;
    final int type;
    int protectionLevel;
    PackageParser.Permission perm;
    PermissionInfo pendingInfo;
    int uid;
    int[] gids;

    BasePermission(String _name, String _sourcePackage, int _type) {
    name = _name;
    sourcePackage = _sourcePackage;
    type = _type;
    // Default to most conservative protection level.
    protectionLevel = PermissionInfo.PROTECTION_SIGNATURE;
    }

    public String toString() {
    return "BasePermission{"
    + Integer.toHexString(System.identityHashCode(this))
    + " " + name + "}";
    }
    }

    static class PackageSignatures {
    private Signature[] mSignatures;

    PackageSignatures(PackageSignatures orig) {
    if (orig != null && orig.mSignatures != null) {
    mSignatures = orig.mSignatures.clone();
    }
    }

    PackageSignatures(Signature[] sigs) {
    assignSignatures(sigs);
    }

    PackageSignatures() {
    }

    void writeXml(XmlSerializer serializer, String tagName,
    ArrayList<Signature> pastSignatures) throws IOException {
    if (mSignatures == null) {
    return;
    }
    serializer.startTag(null, tagName);
    serializer.attribute(null, "count",
    Integer.toString(mSignatures.length));
    for (int i=0; i<mSignatures.length; i++) {
    serializer.startTag(null, "cert");
    final Signature sig = mSignatures[i];
    final int sigHash = sig.hashCode();
    final int numPast = pastSignatures.size();
    int j;
    for (j=0; j<numPast; j++) {
    Signature pastSig = pastSignatures.get(j);
    if (pastSig.hashCode() == sigHash && pastSig.equals(sig)) {
    serializer.attribute(null, "index", Integer.toString(j));
    break;
    }
    }
    if (j >= numPast) {
    pastSignatures.add(sig);
    serializer.attribute(null, "index", Integer.toString(numPast));
    serializer.attribute(null, "key", sig.toCharsString());
    }
    serializer.endTag(null, "cert");
    }
    serializer.endTag(null, tagName);
    }

    void readXml(XmlPullParser parser, ArrayList<Signature> pastSignatures)
    throws IOException, XmlPullParserException {
    String countStr = parser.getAttributeValue(null, "count");
    if (countStr == null) {
    reportSettingsProblem(Log.WARN,
    "Error in package manager settings: <signatures> has"
    + " no count at " + parser.getPositionDescription());
    XmlUtils.skipCurrentTag(parser);
    }
    final int count = Integer.parseInt(countStr);
    mSignatures = new Signature[count];
    int pos = 0;

    int outerDepth = parser.getDepth();
    int type;
    while ((type=parser.next()) != XmlPullParser.END_DOCUMENT
    && (type != XmlPullParser.END_TAG
    || parser.getDepth() > outerDepth)) {
    if (type == XmlPullParser.END_TAG
    || type == XmlPullParser.TEXT) {
    continue;
    }

    String tagName = parser.getName();
    if (tagName.equals("cert")) {
    if (pos < count) {
    String index = parser.getAttributeValue(null, "index");
    if (index != null) {
    try {
    int idx = Integer.parseInt(index);
    String key = parser.getAttributeValue(null, "key");
    if (key == null) {
    if (idx >= 0 && idx < pastSignatures.size()) {
    Signature sig = pastSignatures.get(idx);
    if (sig != null) {
    mSignatures[pos] = pastSignatures.get(idx);
    pos++;
    } else {
    reportSettingsProblem(Log.WARN,
    "Error in package manager settings: <cert> "
    + "index " + index + " is not defined at "
    + parser.getPositionDescription());
    }
    } else {
    reportSettingsProblem(Log.WARN,
    "Error in package manager settings: <cert> "
    + "index " + index + " is out of bounds at "
    + parser.getPositionDescription());
    }
    } else {
    while (pastSignatures.size() <= idx) {
    pastSignatures.add(null);
    }
    Signature sig = new Signature(key);
    pastSignatures.set(idx, sig);
    mSignatures[pos] = sig;
    pos++;
    }
    } catch (NumberFormatException e) {
    reportSettingsProblem(Log.WARN,
    "Error in package manager settings: <cert> "
    + "index " + index + " is not a number at "
    + parser.getPositionDescription());
    }
    } else {
    reportSettingsProblem(Log.WARN,
    "Error in package manager settings: <cert> has"
    + " no index at " + parser.getPositionDescription());
    }
    } else {
    reportSettingsProblem(Log.WARN,
    "Error in package manager settings: too "
    + "many <cert> tags, expected " + count
    + " at " + parser.getPositionDescription());
    }
    } else {
    reportSettingsProblem(Log.WARN,
    "Unknown element under <cert>: "
    + parser.getName());
    }
    XmlUtils.skipCurrentTag(parser);
    }

    if (pos < count) {
    // Should never happen -- there is an error in the written
    // settings -- but if it does we don't want to generate
    // a bad array.
    Signature[] newSigs = new Signature[pos];
    System.arraycopy(mSignatures, 0, newSigs, 0, pos);
    mSignatures = newSigs;
    }
    }

    private void assignSignatures(Signature[] sigs) {
    if (sigs == null) {
    mSignatures = null;
    return;
    }
    mSignatures = new Signature[sigs.length];
    for (int i=0; i<sigs.length; i++) {
    mSignatures[i] = sigs[i];
    }
    }

    @Override
    public String toString() {
    StringBuffer buf = new StringBuffer(128);
    buf.append("PackageSignatures{");
    buf.append(Integer.toHexString(System.identityHashCode(this)));
    buf.append(" [");
    if (mSignatures != null) {
    for (int i=0; i<mSignatures.length; i++) {
    if (i > 0) buf.append(", ");
    buf.append(Integer.toHexString(
    System.identityHashCode(mSignatures[i])));
    }
    }
    buf.append("]}");
    return buf.toString();
    }
    }

    static class PreferredActivity extends IntentFilter {
    final int mMatch;
    final String[] mSetPackages;
    final String[] mSetClasses;
    final String[] mSetComponents;
    final ComponentName mActivity;
    final String mShortActivity;
    String mParseError;

    PreferredActivity(IntentFilter filter, int match, ComponentName[] set,
    ComponentName activity) {
    super(filter);
    mMatch = match&IntentFilter.MATCH_CATEGORY_MASK;
    mActivity = activity;
    mShortActivity = activity.flattenToShortString();
    mParseError = null;
    if (set != null) {
    final int N = set.length;
    String[] myPackages = new String[N];
    String[] myClasses = new String[N];
    String[] myComponents = new String[N];
    for (int i=0; i<N; i++) {
    ComponentName cn = set[i];
    if (cn == null) {
    mSetPackages = null;
    mSetClasses = null;
    mSetComponents = null;
    return;
    }
    myPackages[i] = cn.getPackageName().intern();
    myClasses[i] = cn.getClassName().intern();
    myComponents[i] = cn.flattenToShortString().intern();
    }
    mSetPackages = myPackages;
    mSetClasses = myClasses;
    mSetComponents = myComponents;
    } else {
    mSetPackages = null;
    mSetClasses = null;
    mSetComponents = null;
    }
    }

    PreferredActivity(XmlPullParser parser) throws XmlPullParserException,
    IOException {
    mShortActivity = parser.getAttributeValue(null, "name");
    mActivity = ComponentName.unflattenFromString(mShortActivity);
    if (mActivity == null) {
    mParseError = "Bad activity name " + mShortActivity;
    }
    String matchStr = parser.getAttributeValue(null, "match");
    mMatch = matchStr != null ? Integer.parseInt(matchStr, 16) : 0;
    String setCountStr = parser.getAttributeValue(null, "set");
    int setCount = setCountStr != null ? Integer.parseInt(setCountStr) : 0;

    String[] myPackages = setCount > 0 ? new String[setCount] : null;
    String[] myClasses = setCount > 0 ? new String[setCount] : null;
    String[] myComponents = setCount > 0 ? new String[setCount] : null;

    int setPos = 0;

    int outerDepth = parser.getDepth();
    int type;
    while ((type=parser.next()) != XmlPullParser.END_DOCUMENT
    && (type != XmlPullParser.END_TAG
    || parser.getDepth() > outerDepth)) {
    if (type == XmlPullParser.END_TAG
    || type == XmlPullParser.TEXT) {
    continue;
    }

    String tagName = parser.getName();
    //Log.i(TAG, "Parse outerDepth=" + outerDepth + " depth="
    // + parser.getDepth() + " tag=" + tagName);
    if (tagName.equals("set")) {
    String name = parser.getAttributeValue(null, "name");
    if (name == null) {
    if (mParseError == null) {
    mParseError = "No name in set tag in preferred activity "
    + mShortActivity;
    }
    } else if (setPos >= setCount) {
    if (mParseError == null) {
    mParseError = "Too many set tags in preferred activity "
    + mShortActivity;
    }
    } else {
    ComponentName cn = ComponentName.unflattenFromString(name);
    if (cn == null) {
    if (mParseError == null) {
    mParseError = "Bad set name " + name + " in preferred activity "
    + mShortActivity;
    }
    } else {
    myPackages[setPos] = cn.getPackageName();
    myClasses[setPos] = cn.getClassName();
    myComponents[setPos] = name;
    setPos++;
    }
    }
    XmlUtils.skipCurrentTag(parser);
    } else if (tagName.equals("filter")) {
    //Log.i(TAG, "Starting to parse filter...");
    readFromXml(parser);
    //Log.i(TAG, "Finished filter: outerDepth=" + outerDepth + " depth="
    // + parser.getDepth() + " tag=" + parser.getName());
    } else {
    reportSettingsProblem(Log.WARN,
    "Unknown element under <preferred-activities>: "
    + parser.getName());
    XmlUtils.skipCurrentTag(parser);
    }
    }

    if (setPos != setCount) {
    if (mParseError == null) {
    mParseError = "Not enough set tags (expected " + setCount
    + " but found " + setPos + ") in " + mShortActivity;
    }
    }

    mSetPackages = myPackages;
    mSetClasses = myClasses;
    mSetComponents = myComponents;
    }

    public void writeToXml(XmlSerializer serializer) throws IOException {
    final int NS = mSetClasses != null ? mSetClasses.length : 0;
    serializer.attribute(null, "name", mShortActivity);
    serializer.attribute(null, "match", Integer.toHexString(mMatch));
    serializer.attribute(null, "set", Integer.toString(NS));
    for (int s=0; s<NS; s++) {
    serializer.startTag(null, "set");
    serializer.attribute(null, "name", mSetComponents[s]);
    serializer.endTag(null, "set");
    }
    serializer.startTag(null, "filter");
    super.writeToXml(serializer);
    serializer.endTag(null, "filter");
    }

    boolean sameSet(List<ResolveInfo> query, int priority) {
    if (mSetPackages == null) return false;
    final int NQ = query.size();
    final int NS = mSetPackages.length;
    int numMatch = 0;
    for (int i=0; i<NQ; i++) {
    ResolveInfo ri = query.get(i);
    if (ri.priority != priority) continue;
    ActivityInfo ai = ri.activityInfo;
    boolean good = false;
    for (int j=0; j<NS; j++) {
    if (mSetPackages[j].equals(ai.packageName)
    && mSetClasses[j].equals(ai.name)) {
    numMatch++;
    good = true;
    break;
    }
    }
    if (!good) return false;
    }
    return numMatch == NS;
    }
    }

    static class GrantedPermissions {
    int pkgFlags;

    HashSet<String> grantedPermissions = new HashSet<String>();
    int[] gids;

    GrantedPermissions(int pkgFlags) {
    setFlags(pkgFlags);
    }

    GrantedPermissions(GrantedPermissions base) {
    pkgFlags = base.pkgFlags;
    grantedPermissions = (HashSet<String>) base.grantedPermissions.clone();

    if (base.gids != null) {
    gids = base.gids.clone();
    }
    }

    void setFlags(int pkgFlags) {
    this.pkgFlags = pkgFlags & (
    ApplicationInfo.FLAG_SYSTEM |
    ApplicationInfo.FLAG_FORWARD_LOCK |
    ApplicationInfo.FLAG_EXTERNAL_STORAGE |
    ApplicationInfo.FLAG_NEVER_ENCRYPT);
    }
    }

    /**
    * Settings base class for pending and resolved classes.
    */
    static class PackageSettingBase extends GrantedPermissions {
    final String name;
    final String realName;
    File codePath;
    String codePathString;
    File resourcePath;
    String resourcePathString;
    String nativeLibraryPathString;
    long timeStamp;
    long firstInstallTime;
    long lastUpdateTime;
    int versionCode;

    boolean uidError;

    PackageSignatures signatures = new PackageSignatures();

    boolean permissionsFixed;
    boolean haveGids;

    /* Explicitly disabled components */
    HashSet<String> disabledComponents = new HashSet<String>(0);
    /* Explicitly enabled components */
    HashSet<String> enabledComponents = new HashSet<String>(0);
    int enabled = COMPONENT_ENABLED_STATE_DEFAULT;
    int installStatus = PKG_INSTALL_COMPLETE;

    PackageSettingBase origPackage;

    /* package name of the app that installed this package */
    String installerPackageName;

    PackageSettingBase(String name, String realName, File codePath, File resourcePath,
    String nativeLibraryPathString, int pVersionCode, int pkgFlags) {
    super(pkgFlags);
    this.name = name;
    this.realName = realName;
    init(codePath, resourcePath, nativeLibraryPathString, pVersionCode);
    }

    /**
    * New instance of PackageSetting with one-level-deep cloning.
    */
    PackageSettingBase(PackageSettingBase base) {
    super(base);

    name = base.name;
    realName = base.realName;
    codePath = base.codePath;
    codePathString = base.codePathString;
    resourcePath = base.resourcePath;
    resourcePathString = base.resourcePathString;
    nativeLibraryPathString = base.nativeLibraryPathString;
    timeStamp = base.timeStamp;
    firstInstallTime = base.firstInstallTime;
    lastUpdateTime = base.lastUpdateTime;
    versionCode = base.versionCode;

    uidError = base.uidError;

    signatures = new PackageSignatures(base.signatures);

    permissionsFixed = base.permissionsFixed;
    haveGids = base.haveGids;

    disabledComponents = (HashSet<String>) base.disabledComponents.clone();

    enabledComponents = (HashSet<String>) base.enabledComponents.clone();

    enabled = base.enabled;
    installStatus = base.installStatus;

    origPackage = base.origPackage;

    installerPackageName = base.installerPackageName;
    }

    void init(File codePath, File resourcePath, String nativeLibraryPathString,
    int pVersionCode) {
    this.codePath = codePath;
    this.codePathString = codePath.toString();
    this.resourcePath = resourcePath;
    this.resourcePathString = resourcePath.toString();
    this.nativeLibraryPathString = nativeLibraryPathString;
    this.versionCode = pVersionCode;
    }

    public void setInstallerPackageName(String packageName) {
    installerPackageName = packageName;
    }

    String getInstallerPackageName() {
    return installerPackageName;
    }

    public void setInstallStatus(int newStatus) {
    installStatus = newStatus;
    }

    public int getInstallStatus() {
    return installStatus;
    }

    public void setTimeStamp(long newStamp) {
    timeStamp = newStamp;
    }

    /**
    * Make a shallow copy of this package settings.
    */
    public void copyFrom(PackageSettingBase base) {
    grantedPermissions = base.grantedPermissions;
    gids = base.gids;

    timeStamp = base.timeStamp;
    firstInstallTime = base.firstInstallTime;
    lastUpdateTime = base.lastUpdateTime;
    signatures = base.signatures;
    permissionsFixed = base.permissionsFixed;
    haveGids = base.haveGids;
    disabledComponents = base.disabledComponents;
    enabledComponents = base.enabledComponents;
    enabled = base.enabled;
    installStatus = base.installStatus;
    }

    boolean enableComponentLP(String componentClassName) {
    boolean changed = disabledComponents.remove(componentClassName);
    changed |= enabledComponents.add(componentClassName);
    return changed;
    }

    boolean disableComponentLP(String componentClassName) {
    boolean changed = enabledComponents.remove(componentClassName);
    changed |= disabledComponents.add(componentClassName);
    return changed;
    }

    boolean restoreComponentLP(String componentClassName) {
    boolean changed = enabledComponents.remove(componentClassName);
    changed |= disabledComponents.remove(componentClassName);
    return changed;
    }

    int currentEnabledStateLP(String componentName) {
    if (enabledComponents.contains(componentName)) {
    return COMPONENT_ENABLED_STATE_ENABLED;
    } else if (disabledComponents.contains(componentName)) {
    return COMPONENT_ENABLED_STATE_DISABLED;
    } else {
    return COMPONENT_ENABLED_STATE_DEFAULT;
    }
    }
    }

    /**
    * Settings data for a particular package we know about.
    */
    static final class PackageSetting extends PackageSettingBase {
    int userId;
    PackageParser.Package pkg;
    SharedUserSetting sharedUser;

    PackageSetting(String name, String realName, File codePath, File resourcePath,
    String nativeLibraryPathString, int pVersionCode, int pkgFlags) {
    super(name, realName, codePath, resourcePath, nativeLibraryPathString, pVersionCode,
    pkgFlags);
    }

    /**
    * New instance of PackageSetting replicating the original settings.
    * Note that it keeps the same PackageParser.Package instance.
    */
    PackageSetting(PackageSetting orig) {
    super(orig);

    userId = orig.userId;
    pkg = orig.pkg;
    sharedUser = orig.sharedUser;
    }

    @Override
    public String toString() {
    return "PackageSetting{"
    + Integer.toHexString(System.identityHashCode(this))
    + " " + name + "/" + userId + "}";
    }
    }

    /**
    * Settings data for a particular shared user ID we know about.
    */
    static final class SharedUserSetting extends GrantedPermissions {
    final String name;
    int userId;
    final HashSet<PackageSetting> packages = new HashSet<PackageSetting>();
    final PackageSignatures signatures = new PackageSignatures();

    SharedUserSetting(String _name, int _pkgFlags) {
    super(_pkgFlags);
    name = _name;
    }

    @Override
    public String toString() {
    return "SharedUserSetting{"
    + Integer.toHexString(System.identityHashCode(this))
    + " " + name + "/" + userId + "}";
    }
    }

    /**
    * Holds information about dynamic settings.
    */
    private static final class Settings {
    private final File mSettingsFilename;
    private final File mBackupSettingsFilename;
    private final File mPackageListFilename;
    private final HashMap<String, PackageSetting> mPackages =
    new HashMap<String, PackageSetting>();
    // List of replaced system applications
    final HashMap<String, PackageSetting> mDisabledSysPackages =
    new HashMap<String, PackageSetting>();

    // These are the last platform API version we were using for
    // the apps installed on internal and external storage. It is
    // used to grant newer permissions one time during a system upgrade.
    int mInternalSdkPlatform;
    int mExternalSdkPlatform;

    // The user's preferred activities associated with particular intent
    // filters.
    private final IntentResolver<PreferredActivity, PreferredActivity> mPreferredActivities =
    new IntentResolver<PreferredActivity, PreferredActivity>() {
    @Override
    protected String packageForFilter(PreferredActivity filter) {
    return filter.mActivity.getPackageName();
    }
    @Override
    protected void dumpFilter(PrintWriter out, String prefix,
    PreferredActivity filter) {
    out.print(prefix); out.print(
    Integer.toHexString(System.identityHashCode(filter)));
    out.print(' ');
    out.print(filter.mActivity.flattenToShortString());
    out.print(" match=0x");
    out.println( Integer.toHexString(filter.mMatch));
    if (filter.mSetComponents != null) {
    out.print(prefix); out.println(" Selected from:");
    for (int i=0; i<filter.mSetComponents.length; i++) {
    out.print(prefix); out.print(" ");
    out.println(filter.mSetComponents[i]);
    }
    }
    }
    };
    private final HashMap<String, SharedUserSetting> mSharedUsers =
    new HashMap<String, SharedUserSetting>();
    private final ArrayList<Object> mUserIds = new ArrayList<Object>();
    private final SparseArray<Object> mOtherUserIds =
    new SparseArray<Object>();

    // For reading/writing settings file.
    private final ArrayList<Signature> mPastSignatures =
    new ArrayList<Signature>();

    // Mapping from permission names to info about them.
    final HashMap<String, BasePermission> mPermissions =
    new HashMap<String, BasePermission>();

    // Mapping from permission tree names to info about them.
    final HashMap<String, BasePermission> mPermissionTrees =
    new HashMap<String, BasePermission>();

    // Packages that have been uninstalled and still need their external
    // storage data deleted.
    final ArrayList<String> mPackagesToBeCleaned = new ArrayList<String>();

    // Packages that have been renamed since they were first installed.
    // Keys are the new names of the packages, values are the original
    // names. The packages appear everwhere else under their original
    // names.
    final HashMap<String, String> mRenamedPackages = new HashMap<String, String>();

    private final StringBuilder mReadMessages = new StringBuilder();

    private static final class PendingPackage extends PackageSettingBase {
    final int sharedId;

    PendingPackage(String name, String realName, File codePath, File resourcePath,
    String nativeLibraryPathString, int sharedId, int pVersionCode, int pkgFlags) {
    super(name, realName, codePath, resourcePath, nativeLibraryPathString,
    pVersionCode, pkgFlags);
    this.sharedId = sharedId;
    }
    }
    private final ArrayList<PendingPackage> mPendingPackages
    = new ArrayList<PendingPackage>();

    Settings() {
    File dataDir = Environment.getDataDirectory();
    File systemDir = new File(dataDir, "system");
    // TODO(oam): This secure dir creation needs to be moved somewhere else (later)
    File systemSecureDir = new File(dataDir, "secure/system");
    systemDir.mkdirs();
    systemSecureDir.mkdirs();
    FileUtils.setPermissions(systemDir.toString(),
    FileUtils.S_IRWXU|FileUtils.S_IRWXG
    |FileUtils.S_IROTH|FileUtils.S_IXOTH,
    -1, -1);
    FileUtils.setPermissions(systemSecureDir.toString(),
    FileUtils.S_IRWXU|FileUtils.S_IRWXG
    |FileUtils.S_IROTH|FileUtils.S_IXOTH,
    -1, -1);
    mSettingsFilename = new File(systemDir, "packages.xml");
    mBackupSettingsFilename = new File(systemDir, "packages-backup.xml");
    mPackageListFilename = new File(systemDir, "packages.list");
    }

    PackageSetting getPackageLP(PackageParser.Package pkg, PackageSetting origPackage,
    String realName, SharedUserSetting sharedUser, File codePath, File resourcePath,
    String nativeLibraryPathString, int pkgFlags, boolean create, boolean add) {
    final String name = pkg.packageName;
    PackageSetting p = getPackageLP(name, origPackage, realName, sharedUser, codePath,
    resourcePath, nativeLibraryPathString, pkg.mVersionCode, pkgFlags, create, add);
    return p;
    }

    PackageSetting peekPackageLP(String name) {
    return mPackages.get(name);
    /*
    PackageSetting p = mPackages.get(name);
    if (p != null && p.codePath.getPath().equals(codePath)) {
    return p;
    }
    return null;
    */
    }

    void setInstallStatus(String pkgName, int status) {
    PackageSetting p = mPackages.get(pkgName);
    if(p != null) {
    if(p.getInstallStatus() != status) {
    p.setInstallStatus(status);
    }
    }
    }

    void setInstallerPackageName(String pkgName,
    String installerPkgName) {
    PackageSetting p = mPackages.get(pkgName);
    if(p != null) {
    p.setInstallerPackageName(installerPkgName);
    }
    }

    String getInstallerPackageName(String pkgName) {
    PackageSetting p = mPackages.get(pkgName);
    return (p == null) ? null : p.getInstallerPackageName();
    }

    int getInstallStatus(String pkgName) {
    PackageSetting p = mPackages.get(pkgName);
    if(p != null) {
    return p.getInstallStatus();
    }
    return -1;
    }

    SharedUserSetting getSharedUserLP(String name,
    int pkgFlags, boolean create) {
    SharedUserSetting s = mSharedUsers.get(name);
    if (s == null) {
    if (!create) {
    return null;
    }
    s = new SharedUserSetting(name, pkgFlags);
    if (MULTIPLE_APPLICATION_UIDS) {
    s.userId = newUserIdLP(s);
    } else {
    s.userId = FIRST_APPLICATION_UID;
    }
    Log.i(TAG, "New shared user " + name + ": id=" + s.userId);
    // < 0 means we couldn't assign a userid; fall out and return
    // s, which is currently null
    if (s.userId >= 0) {
    mSharedUsers.put(name, s);
    }
    }

    return s;
    }

    boolean disableSystemPackageLP(String name) {
    PackageSetting p = mPackages.get(name);
    if(p == null) {
    Log.w(TAG, "Package:"+name+" is not an installed package");
    return false;
    }
    PackageSetting dp = mDisabledSysPackages.get(name);
    // always make sure the system package code and resource paths dont change
    if (dp == null) {
    if((p.pkg != null) && (p.pkg.applicationInfo != null)) {
    p.pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP;
    }
    mDisabledSysPackages.put(name, p);

    // a little trick... when we install the new package, we don't
    // want to modify the existing PackageSetting for the built-in
    // version. so at this point we need a new PackageSetting that
    // is okay to muck with.
    PackageSetting newp = new PackageSetting(p);
    replacePackageLP(name, newp);
    return true;
    }
    return false;
    }

    PackageSetting enableSystemPackageLP(String name) {
    PackageSetting p = mDisabledSysPackages.get(name);
    if(p == null) {
    Log.w(TAG, "Package:"+name+" is not disabled");
    return null;
    }
    // Reset flag in ApplicationInfo object
    if((p.pkg != null) && (p.pkg.applicationInfo != null)) {
    p.pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_UPDATED_SYSTEM_APP;
    }
    PackageSetting ret = addPackageLP(name, p.realName, p.codePath, p.resourcePath,
    p.nativeLibraryPathString, p.userId, p.versionCode, p.pkgFlags);
    mDisabledSysPackages.remove(name);
    return ret;
    }

    PackageSetting addPackageLP(String name, String realName, File codePath, File resourcePath,
    String nativeLibraryPathString, int uid, int vc, int pkgFlags) {
    PackageSetting p = mPackages.get(name);
    if (p != null) {
    if (p.userId == uid) {
    return p;
    }
    reportSettingsProblem(Log.ERROR,
    "Adding duplicate package, keeping first: " + name);
    return null;
    }
    p = new PackageSetting(name, realName, codePath, resourcePath, nativeLibraryPathString,
    vc, pkgFlags);
    p.userId = uid;
    if (addUserIdLP(uid, p, name)) {
    mPackages.put(name, p);
    return p;
    }
    return null;
    }

    SharedUserSetting addSharedUserLP(String name, int uid, int pkgFlags) {
    SharedUserSetting s = mSharedUsers.get(name);
    if (s != null) {
    if (s.userId == uid) {
    return s;
    }
    reportSettingsProblem(Log.ERROR,
    "Adding duplicate shared user, keeping first: " + name);
    return null;
    }
    s = new SharedUserSetting(name, pkgFlags);
    s.userId = uid;
    if (addUserIdLP(uid, s, name)) {
    mSharedUsers.put(name, s);
    return s;
    }
    return null;
    }

    // Transfer ownership of permissions from one package to another.
    private void transferPermissions(String origPkg, String newPkg) {
    // Transfer ownership of permissions to the new package.
    for (int i=0; i<2; i++) {
    HashMap<String, BasePermission> permissions =
    i == 0 ? mPermissionTrees : mPermissions;
    for (BasePermission bp : permissions.values()) {
    if (origPkg.equals(bp.sourcePackage)) {
    if (DEBUG_UPGRADE) Log.v(TAG,
    "Moving permission " + bp.name
    + " from pkg " + bp.sourcePackage
    + " to " + newPkg);
    bp.sourcePackage = newPkg;
    bp.packageSetting = null;
    bp.perm = null;
    if (bp.pendingInfo != null) {
    bp.pendingInfo.packageName = newPkg;
    }
    bp.uid = 0;
    bp.gids = null;
    }
    }
    }
    }

    private PackageSetting getPackageLP(String name, PackageSetting origPackage,
    String realName, SharedUserSetting sharedUser, File codePath, File resourcePath,
    String nativeLibraryPathString, int vc, int pkgFlags, boolean create, boolean add) {
    PackageSetting p = mPackages.get(name);
    if (p != null) {
    if (!p.codePath.equals(codePath)) {
    // Check to see if its a disabled system app
    if ((p.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) {
    // This is an updated system app with versions in both system
    // and data partition. Just let the most recent version
    // take precedence.
    Slog.w(TAG, "Trying to update system app code path from " +
    p.codePathString + " to " + codePath.toString());
    } else {
    // Just a change in the code path is not an issue, but
    // let's log a message about it.
    Slog.i(TAG, "Package " + name + " codePath changed from " + p.codePath
    + " to " + codePath + "; Retaining data and using new");
    /*
    * Since we've changed paths, we need to prefer the new
    * native library path over the one stored in the
    * package settings since we might have moved from
    * internal to external storage or vice versa.
    */
    p.nativeLibraryPathString = nativeLibraryPathString;
    }
    }
    if (p.sharedUser != sharedUser) {
    reportSettingsProblem(Log.WARN,
    "Package " + name + " shared user changed from "
    + (p.sharedUser != null ? p.sharedUser.name : "<nothing>")
    + " to "
    + (sharedUser != null ? sharedUser.name : "<nothing>")
    + "; replacing with new");
    p = null;
    } else {
    if ((pkgFlags&ApplicationInfo.FLAG_SYSTEM) != 0) {
    // If what we are scanning is a system package, then
    // make it so, regardless of whether it was previously
    // installed only in the data partition.
    p.pkgFlags |= ApplicationInfo.FLAG_SYSTEM;
    }
    }
    }
    if (p == null) {
    // Create a new PackageSettings entry. this can end up here because
    // of code path mismatch or user id mismatch of an updated system partition
    if (!create) {
    return null;
    }
    if (origPackage != null) {
    // We are consuming the data from an existing package.
    p = new PackageSetting(origPackage.name, name, codePath, resourcePath,
    nativeLibraryPathString, vc, pkgFlags);
    if (DEBUG_UPGRADE) Log.v(TAG, "Package " + name
    + " is adopting original package " + origPackage.name);
    // Note that we will retain the new package's signature so
    // that we can keep its data.
    PackageSignatures s = p.signatures;
    p.copyFrom(origPackage);
    p.signatures = s;
    p.sharedUser = origPackage.sharedUser;
    p.userId = origPackage.userId;
    p.origPackage = origPackage;
    mRenamedPackages.put(name, origPackage.name);
    name = origPackage.name;
    // Update new package state.
    p.setTimeStamp(codePath.lastModified());
    } else {
    p = new PackageSetting(name, realName, codePath, resourcePath,
    nativeLibraryPathString, vc, pkgFlags);
    p.setTimeStamp(codePath.lastModified());
    p.sharedUser = sharedUser;
    if (sharedUser != null) {
    p.userId = sharedUser.userId;
    } else if (MULTIPLE_APPLICATION_UIDS) {
    // Clone the setting here for disabled system packages
    PackageSetting dis = mDisabledSysPackages.get(name);
    if (dis != null) {
    // For disabled packages a new setting is created
    // from the existing user id. This still has to be
    // added to list of user id's
    // Copy signatures from previous setting
    if (dis.signatures.mSignatures != null) {
    p.signatures.mSignatures = dis.signatures.mSignatures.clone();
    }
    p.userId = dis.userId;
    // Clone permissions
    p.grantedPermissions = new HashSet<String>(dis.grantedPermissions);
    // Clone component info
    p.disabledComponents = new HashSet<String>(dis.disabledComponents);
    p.enabledComponents = new HashSet<String>(dis.enabledComponents);
    // Add new setting to list of user ids
    addUserIdLP(p.userId, p, name);
    } else {
    // Assign new user id
    p.userId = newUserIdLP(p);
    }
    } else {
    p.userId = FIRST_APPLICATION_UID;
    }
    }
    if (p.userId < 0) {
    reportSettingsProblem(Log.WARN,
    "Package " + name + " could not be assigned a valid uid");
    return null;
    }
    if (add) {
    // Finish adding new package by adding it and updating shared
    // user preferences
    addPackageSettingLP(p, name, sharedUser);
    }
    }
    return p;
    }

    private void insertPackageSettingLP(PackageSetting p, PackageParser.Package pkg) {
    p.pkg = pkg;
    pkg.mSetEnabled = p.enabled;
    final String codePath = pkg.applicationInfo.sourceDir;
    final String resourcePath = pkg.applicationInfo.publicSourceDir;
    // Update code path if needed
    if (!codePath.equalsIgnoreCase(p.codePathString)) {
    Slog.w(TAG, "Code path for pkg : " + p.pkg.packageName +
    " changing from " + p.codePathString + " to " + codePath);
    p.codePath = new File(codePath);
    p.codePathString = codePath;
    }
    //Update resource path if needed
    if (!resourcePath.equalsIgnoreCase(p.resourcePathString)) {
    Slog.w(TAG, "Resource path for pkg : " + p.pkg.packageName +
    " changing from " + p.resourcePathString + " to " + resourcePath);
    p.resourcePath = new File(resourcePath);
    p.resourcePathString = resourcePath;
    }
    // Update the native library path if needed
    final String nativeLibraryPath = pkg.applicationInfo.nativeLibraryDir;
    if (nativeLibraryPath != null
    && !nativeLibraryPath.equalsIgnoreCase(p.nativeLibraryPathString)) {
    p.nativeLibraryPathString = nativeLibraryPath;
    }
    // Update version code if needed
    if (pkg.mVersionCode != p.versionCode) {
    p.versionCode = pkg.mVersionCode;
    }
    // Update signatures if needed.
    if (p.signatures.mSignatures == null) {
    p.signatures.assignSignatures(pkg.mSignatures);
    }
    // If this app defines a shared user id initialize
    // the shared user signatures as well.
    if (p.sharedUser != null && p.sharedUser.signatures.mSignatures == null) {
    p.sharedUser.signatures.assignSignatures(pkg.mSignatures);
    }
    addPackageSettingLP(p, pkg.packageName, p.sharedUser);
    }

    // Utility method that adds a PackageSetting to mPackages and
    // completes updating the shared user attributes
    private void addPackageSettingLP(PackageSetting p, String name,
    SharedUserSetting sharedUser) {
    mPackages.put(name, p);
    if (sharedUser != null) {
    if (p.sharedUser != null && p.sharedUser != sharedUser) {
    reportSettingsProblem(Log.ERROR,
    "Package " + p.name + " was user "
    + p.sharedUser + " but is now " + sharedUser
    + "; I am not changing its files so it will probably fail!");
    p.sharedUser.packages.remove(p);
    } else if (p.userId != sharedUser.userId) {
    reportSettingsProblem(Log.ERROR,
    "Package " + p.name + " was user id " + p.userId
    + " but is now user " + sharedUser
    + " with id " + sharedUser.userId
    + "; I am not changing its files so it will probably fail!");
    }

    sharedUser.packages.add(p);
    p.sharedUser = sharedUser;
    p.userId = sharedUser.userId;
    }
    }

    /*
    * Update the shared user setting when a package using
    * specifying the shared user id is removed. The gids
    * associated with each permission of the deleted package
    * are removed from the shared user's gid list only if its
    * not in use by other permissions of packages in the
    * shared user setting.
    */
    private void updateSharedUserPermsLP(PackageSetting deletedPs, int[] globalGids) {
    if ( (deletedPs == null) || (deletedPs.pkg == null)) {
    Slog.i(TAG, "Trying to update info for null package. Just ignoring");
    return;
    }
    // No sharedUserId
    if (deletedPs.sharedUser == null) {
    return;
    }
    SharedUserSetting sus = deletedPs.sharedUser;
    // Update permissions
    for (String eachPerm: deletedPs.pkg.requestedPermissions) {
    boolean used = false;
    if (!sus.grantedPermissions.contains (eachPerm)) {
    continue;
    }
    for (PackageSetting pkg:sus.packages) {
    if (pkg.pkg != null &&
    !pkg.pkg.packageName.equals(deletedPs.pkg.packageName) &&
    pkg.pkg.requestedPermissions.contains(eachPerm)) {
    used = true;
    break;
    }
    }
    if (!used) {
    // can safely delete this permission from list
    sus.grantedPermissions.remove(eachPerm);
    }
    }
    // Update gids
    int newGids[] = globalGids;
    for (String eachPerm : sus.grantedPermissions) {
    BasePermission bp = mPermissions.get(eachPerm);
    if (bp != null) {
    newGids = appendInts(newGids, bp.gids);
    }
    }
    sus.gids = newGids;
    }

    private int removePackageLP(String name) {
    PackageSetting p = mPackages.get(name);
    if (p != null) {
    mPackages.remove(name);
    if (p.sharedUser != null) {
    p.sharedUser.packages.remove(p);
    if (p.sharedUser.packages.size() == 0) {
    mSharedUsers.remove(p.sharedUser.name);
    removeUserIdLP(p.sharedUser.userId);
    return p.sharedUser.userId;
    }
    } else {
    removeUserIdLP(p.userId);
    return p.userId;
    }
    }
    return -1;
    }

    private void replacePackageLP(String name, PackageSetting newp) {
    PackageSetting p = mPackages.get(name);
    if (p != null) {
    if (p.sharedUser != null) {
    p.sharedUser.packages.remove(p);
    p.sharedUser.packages.add(newp);
    } else {
    replaceUserIdLP(p.userId, newp);
    }
    }
    mPackages.put(name, newp);
    }

    private boolean addUserIdLP(int uid, Object obj, Object name) {
    if (uid >= FIRST_APPLICATION_UID + MAX_APPLICATION_UIDS) {
    return false;
    }

    if (uid >= FIRST_APPLICATION_UID) {
    int N = mUserIds.size();
    final int index = uid - FIRST_APPLICATION_UID;
    while (index >= N) {
    mUserIds.add(null);
    N++;
    }
    if (mUserIds.get(index) != null) {
    reportSettingsProblem(Log.ERROR,
    "Adding duplicate user id: " + uid
    + " name=" + name);
    return false;
    }
    mUserIds.set(index, obj);
    } else {
    if (mOtherUserIds.get(uid) != null) {
    reportSettingsProblem(Log.ERROR,
    "Adding duplicate shared id: " + uid
    + " name=" + name);
    return false;
    }
    mOtherUserIds.put(uid, obj);
    }
    return true;
    }

    public Object getUserIdLP(int uid) {
    if (uid >= FIRST_APPLICATION_UID) {
    int N = mUserIds.size();
    final int index = uid - FIRST_APPLICATION_UID;
    return index < N ? mUserIds.get(index) : null;
    } else {
    return mOtherUserIds.get(uid);
    }
    }

    private Set<String> findPackagesWithFlag(int flag) {
    Set<String> ret = new HashSet<String>();
    for (PackageSetting ps : mPackages.values()) {
    // Has to match atleast all the flag bits set on flag
    if ((ps.pkgFlags & flag) == flag) {
    ret.add(ps.name);
    }
    }
    return ret;
    }

    private void removeUserIdLP(int uid) {
    if (uid >= FIRST_APPLICATION_UID) {
    int N = mUserIds.size();
    final int index = uid - FIRST_APPLICATION_UID;
    if (index < N) mUserIds.set(index, null);
    } else {
    mOtherUserIds.remove(uid);
    }
    }

    private void replaceUserIdLP(int uid, Object obj) {
    if (uid >= FIRST_APPLICATION_UID) {
    int N = mUserIds.size();
    final int index = uid - FIRST_APPLICATION_UID;
    if (index < N) mUserIds.set(index, obj);
    } else {
    mOtherUserIds.put(uid, obj);
    }
    }

    void writeLP() {
    //Debug.startMethodTracing("/data/system/packageprof", 8 * 1024 * 1024);

    // Keep the old settings around until we know the new ones have
    // been successfully written.
    if (mSettingsFilename.exists()) {
    // Presence of backup settings file indicates that we failed
    // to persist settings earlier. So preserve the older
    // backup for future reference since the current settings
    // might have been corrupted.
    if (!mBackupSettingsFilename.exists()) {
    if (!mSettingsFilename.renameTo(mBackupSettingsFilename)) {
    Slog.w(TAG, "Unable to backup package manager settings, current changes will be lost at reboot");
    return;
    }
    } else {
    mSettingsFilename.delete();
    Slog.w(TAG, "Preserving older settings backup");
    }
    }

    mPastSignatures.clear();

    try {
    FileOutputStream fstr = new FileOutputStream(mSettingsFilename);
    BufferedOutputStream str = new BufferedOutputStream(fstr);

    //XmlSerializer serializer = XmlUtils.serializerInstance();
    XmlSerializer serializer = new FastXmlSerializer();
    serializer.setOutput(str, "utf-8");
    serializer.startDocument(null, true);
    serializer.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true);

    serializer.startTag(null, "packages");

    serializer.startTag(null, "last-platform-version");
    serializer.attribute(null, "internal", Integer.toString(mInternalSdkPlatform));
    serializer.attribute(null, "external", Integer.toString(mExternalSdkPlatform));
    serializer.endTag(null, "last-platform-version");

    serializer.startTag(null, "permission-trees");
    for (BasePermission bp : mPermissionTrees.values()) {
    writePermission(serializer, bp);
    }
    serializer.endTag(null, "permission-trees");

    serializer.startTag(null, "permissions");
    for (BasePermission bp : mPermissions.values()) {
    writePermission(serializer, bp);
    }
    serializer.endTag(null, "permissions");

    for (PackageSetting pkg : mPackages.values()) {
    writePackage(serializer, pkg);
    }

    for (PackageSetting pkg : mDisabledSysPackages.values()) {
    writeDisabledSysPackage(serializer, pkg);
    }

    serializer.startTag(null, "preferred-activities");
    for (PreferredActivity pa : mPreferredActivities.filterSet()) {
    serializer.startTag(null, "item");
    pa.writeToXml(serializer);
    serializer.endTag(null, "item");
    }
    serializer.endTag(null, "preferred-activities");

    for (SharedUserSetting usr : mSharedUsers.values()) {
    serializer.startTag(null, "shared-user");
    serializer.attribute(null, "name", usr.name);
    serializer.attribute(null, "userId",
    Integer.toString(usr.userId));
    usr.signatures.writeXml(serializer, "sigs", mPastSignatures);
    serializer.startTag(null, "perms");
    for (String name : usr.grantedPermissions) {
    serializer.startTag(null, "item");
    serializer.attribute(null, "name", name);
    serializer.endTag(null, "item");
    }
    serializer.endTag(null, "perms");
    serializer.endTag(null, "shared-user");
    }

    if (mPackagesToBeCleaned.size() > 0) {
    for (int i=0; i<mPackagesToBeCleaned.size(); i++) {
    serializer.startTag(null, "cleaning-package");
    serializer.attribute(null, "name", mPackagesToBeCleaned.get(i));
    serializer.endTag(null, "cleaning-package");
    }
    }

    if (mRenamedPackages.size() > 0) {
    for (HashMap.Entry<String, String> e : mRenamedPackages.entrySet()) {
    serializer.startTag(null, "renamed-package");
    serializer.attribute(null, "new", e.getKey());
    serializer.attribute(null, "old", e.getValue());
    serializer.endTag(null, "renamed-package");
    }
    }

    serializer.endTag(null, "packages");

    serializer.endDocument();

    str.flush();
    FileUtils.sync(fstr);
    str.close();

    // New settings successfully written, old ones are no longer
    // needed.
    mBackupSettingsFilename.delete();
    FileUtils.setPermissions(mSettingsFilename.toString(),
    FileUtils.S_IRUSR|FileUtils.S_IWUSR
    |FileUtils.S_IRGRP|FileUtils.S_IWGRP
    |FileUtils.S_IROTH,
    -1, -1);

    // Write package list file now, use a JournaledFile.
    //
    File tempFile = new File(mPackageListFilename.toString() + ".tmp");
    JournaledFile journal = new JournaledFile(mPackageListFilename, tempFile);

    fstr = new FileOutputStream(journal.chooseForWrite());
    str = new BufferedOutputStream(fstr);
    try {
    StringBuilder sb = new StringBuilder();
    for (PackageSetting pkg : mPackages.values()) {
    ApplicationInfo ai = pkg.pkg.applicationInfo;
    String dataPath = ai.dataDir;
    boolean isDebug = (ai.flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0;

    // Avoid any application that has a space in its path
    // or that is handled by the system.
    if (dataPath.indexOf(" ") >= 0 || ai.uid <= Process.FIRST_APPLICATION_UID)
    continue;

    // we store on each line the following information for now:
    //
    // pkgName - package name
    // userId - application-specific user id
    // debugFlag - 0 or 1 if the package is debuggable.
    // dataPath - path to package's data path
    //
    // NOTE: We prefer not to expose all ApplicationInfo flags for now.
    //
    // DO NOT MODIFY THIS FORMAT UNLESS YOU CAN ALSO MODIFY ITS USERS
    // FROM NATIVE CODE. AT THE MOMENT, LOOK AT THE FOLLOWING SOURCES:
    // system/core/run-as/run-as.c
    //
    sb.setLength(0);
    sb.append(ai.packageName);
    sb.append(" ");
    sb.append((int)ai.uid);
    sb.append(isDebug ? " 1 " : " 0 ");
    sb.append(dataPath);
    sb.append("\n");
    str.write(sb.toString().getBytes());
    }
    str.flush();
    FileUtils.sync(fstr);
    str.close();
    journal.commit();
    }
    catch (Exception e) {
    journal.rollback();
    }

    FileUtils.setPermissions(mPackageListFilename.toString(),
    FileUtils.S_IRUSR|FileUtils.S_IWUSR
    |FileUtils.S_IRGRP|FileUtils.S_IWGRP
    |FileUtils.S_IROTH,
    -1, -1);

    return;

    } catch(XmlPullParserException e) {
    Slog.w(TAG, "Unable to write package manager settings, current changes will be lost at reboot", e);
    } catch(java.io.IOException e) {
    Slog.w(TAG, "Unable to write package manager settings, current changes will be lost at reboot", e);
    }
    // Clean up partially written files
    if (mSettingsFilename.exists()) {
    if (!mSettingsFilename.delete()) {
    Log.i(TAG, "Failed to clean up mangled file: " + mSettingsFilename);
    }
    }
    //Debug.stopMethodTracing();
    }

    void writeDisabledSysPackage(XmlSerializer serializer, final PackageSetting pkg)
    throws java.io.IOException {
    serializer.startTag(null, "updated-package");
    serializer.attribute(null, "name", pkg.name);
    if (pkg.realName != null) {
    serializer.attribute(null, "realName", pkg.realName);
    }
    serializer.attribute(null, "codePath", pkg.codePathString);
    serializer.attribute(null, "ft", Long.toHexString(pkg.timeStamp));
    serializer.attribute(null, "it", Long.toHexString(pkg.firstInstallTime));
    serializer.attribute(null, "ut", Long.toHexString(pkg.lastUpdateTime));
    serializer.attribute(null, "version", String.valueOf(pkg.versionCode));
    if (!pkg.resourcePathString.equals(pkg.codePathString)) {
    serializer.attribute(null, "resourcePath", pkg.resourcePathString);
    }
    if (pkg.nativeLibraryPathString != null) {
    serializer.attribute(null, "nativeLibraryPath", pkg.nativeLibraryPathString);
    }
    if (pkg.sharedUser == null) {
    serializer.attribute(null, "userId",
    Integer.toString(pkg.userId));
    } else {
    serializer.attribute(null, "sharedUserId",
    Integer.toString(pkg.userId));
    }
    serializer.startTag(null, "perms");
    if (pkg.sharedUser == null) {
    // If this is a shared user, the permissions will
    // be written there. We still need to write an
    // empty permissions list so permissionsFixed will
    // be set.
    for (final String name : pkg.grantedPermissions) {
    BasePermission bp = mPermissions.get(name);
    if (bp != null) {
    // We only need to write signature or system permissions but this wont
    // match the semantics of grantedPermissions. So write all permissions.
    serializer.startTag(null, "item");
    serializer.attribute(null, "name", name);
    serializer.endTag(null, "item");
    }
    }
    }
    serializer.endTag(null, "perms");
    serializer.endTag(null, "updated-package");
    }

    void writePackage(XmlSerializer serializer, final PackageSetting pkg)
    throws java.io.IOException {
    serializer.startTag(null, "package");
    serializer.attribute(null, "name", pkg.name);
    if (pkg.realName != null) {
    serializer.attribute(null, "realName", pkg.realName);
    }
    serializer.attribute(null, "codePath", pkg.codePathString);
    if (!pkg.resourcePathString.equals(pkg.codePathString)) {
    serializer.attribute(null, "resourcePath", pkg.resourcePathString);
    }
    if (pkg.nativeLibraryPathString != null) {
    serializer.attribute(null, "nativeLibraryPath", pkg.nativeLibraryPathString);
    }
    serializer.attribute(null, "flags",
    Integer.toString(pkg.pkgFlags));
    serializer.attribute(null, "ft", Long.toHexString(pkg.timeStamp));
    serializer.attribute(null, "it", Long.toHexString(pkg.firstInstallTime));
    serializer.attribute(null, "ut", Long.toHexString(pkg.lastUpdateTime));
    serializer.attribute(null, "version", String.valueOf(pkg.versionCode));
    if (pkg.sharedUser == null) {
    serializer.attribute(null, "userId",
    Integer.toString(pkg.userId));
    } else {
    serializer.attribute(null, "sharedUserId",
    Integer.toString(pkg.userId));
    }
    if (pkg.uidError) {
    serializer.attribute(null, "uidError", "true");
    }
    if (pkg.enabled != COMPONENT_ENABLED_STATE_DEFAULT) {
    serializer.attribute(null, "enabled",
    pkg.enabled == COMPONENT_ENABLED_STATE_ENABLED
    ? "true" : "false");
    }
    if(pkg.installStatus == PKG_INSTALL_INCOMPLETE) {
    serializer.attribute(null, "installStatus", "false");
    }
    if (pkg.installerPackageName != null) {
    serializer.attribute(null, "installer", pkg.installerPackageName);
    }
    pkg.signatures.writeXml(serializer, "sigs", mPastSignatures);
    if ((pkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) {
    serializer.startTag(null, "perms");
    if (pkg.sharedUser == null) {
    // If this is a shared user, the permissions will
    // be written there. We still need to write an
    // empty permissions list so permissionsFixed will
    // be set.
    for (final String name : pkg.grantedPermissions) {
    serializer.startTag(null, "item");
    serializer.attribute(null, "name", name);
    serializer.endTag(null, "item");
    }
    }
    serializer.endTag(null, "perms");
    }
    if (pkg.disabledComponents.size() > 0) {
    serializer.startTag(null, "disabled-components");
    for (final String name : pkg.disabledComponents) {
    serializer.startTag(null, "item");
    serializer.attribute(null, "name", name);
    serializer.endTag(null, "item");
    }
    serializer.endTag(null, "disabled-components");
    }
    if (pkg.enabledComponents.size() > 0) {
    serializer.startTag(null, "enabled-components");
    for (final String name : pkg.enabledComponents) {
    serializer.startTag(null, "item");
    serializer.attribute(null, "name", name);
    serializer.endTag(null, "item");
    }
    serializer.endTag(null, "enabled-components");
    }

    serializer.endTag(null, "package");
    }

    void writePermission(XmlSerializer serializer, BasePermission bp)
    throws XmlPullParserException, java.io.IOException {
    if (bp.type != BasePermission.TYPE_BUILTIN
    && bp.sourcePackage != null) {
    serializer.startTag(null, "item");
    serializer.attribute(null, "name", bp.name);
    serializer.attribute(null, "package", bp.sourcePackage);
    if (bp.protectionLevel !=
    PermissionInfo.PROTECTION_NORMAL) {
    serializer.attribute(null, "protection",
    Integer.toString(bp.protectionLevel));
    }
    if (DEBUG_SETTINGS) Log.v(TAG,
    "Writing perm: name=" + bp.name + " type=" + bp.type);
    if (bp.type == BasePermission.TYPE_DYNAMIC) {
    PermissionInfo pi = bp.perm != null ? bp.perm.info
    : bp.pendingInfo;
    if (pi != null) {
    serializer.attribute(null, "type", "dynamic");
    if (pi.icon != 0) {
    serializer.attribute(null, "icon",
    Integer.toString(pi.icon));
    }
    if (pi.nonLocalizedLabel != null) {
    serializer.attribute(null, "label",
    pi.nonLocalizedLabel.toString());
    }
    }
    }
    serializer.endTag(null, "item");
    }
    }

    String getReadMessagesLP() {
    return mReadMessages.toString();
    }

    ArrayList<PackageSetting> getListOfIncompleteInstallPackages() {
    HashSet<String> kList = new HashSet<String>(mPackages.keySet());
    Iterator<String> its = kList.iterator();
    ArrayList<PackageSetting> ret = new ArrayList<PackageSetting>();
    while(its.hasNext()) {
    String key = its.next();
    PackageSetting ps = mPackages.get(key);
    if(ps.getInstallStatus() == PKG_INSTALL_INCOMPLETE) {
    ret.add(ps);
    }
    }
    return ret;
    }

    boolean readLP() {
    FileInputStream str = null;
    if (mBackupSettingsFilename.exists()) {
    try {
    str = new FileInputStream(mBackupSettingsFilename);
    mReadMessages.append("Reading from backup settings file\n");
    reportSettingsProblem(Log.INFO, "Need to read from backup settings file");
    if (mSettingsFilename.exists()) {
    // If both the backup and settings file exist, we
    // ignore the settings since it might have been
    // corrupted.
    Slog.w(TAG, "Cleaning up settings file " + mSettingsFilename);
    mSettingsFilename.delete();
    }
    } catch (java.io.IOException e) {
    // We'll try for the normal settings file.
    }
    }

    mPastSignatures.clear();

    try {
    if (str == null) {
    if (!mSettingsFilename.exists()) {
    mReadMessages.append("No settings file found\n");
    reportSettingsProblem(Log.INFO, "No settings file; creating initial state");
    return false;
    }
    str = new FileInputStream(mSettingsFilename);
    }
    XmlPullParser parser = Xml.newPullParser();
    parser.setInput(str, null);

    int type;
    while ((type=parser.next()) != XmlPullParser.START_TAG
    && type != XmlPullParser.END_DOCUMENT) {
    ;
    }

    if (type != XmlPullParser.START_TAG) {
    mReadMessages.append("No start tag found in settings file\n");
    reportSettingsProblem(Log.WARN, "No start tag found in package manager settings");
    return false;
    }

    int outerDepth = parser.getDepth();
    while ((type=parser.next()) != XmlPullParser.END_DOCUMENT
    && (type != XmlPullParser.END_TAG
    || parser.getDepth() > outerDepth)) {
    if (type == XmlPullParser.END_TAG
    || type == XmlPullParser.TEXT) {
    continue;
    }

    String tagName = parser.getName();
    if (tagName.equals("package")) {
    readPackageLP(parser);
    } else if (tagName.equals("permissions")) {
    readPermissionsLP(mPermissions, parser);
    } else if (tagName.equals("permission-trees")) {
    readPermissionsLP(mPermissionTrees, parser);
    } else if (tagName.equals("shared-user")) {
    readSharedUserLP(parser);
    } else if (tagName.equals("preferred-packages")) {
    // no longer used.
    } else if (tagName.equals("preferred-activities")) {
    readPreferredActivitiesLP(parser);
    } else if(tagName.equals("updated-package")) {
    readDisabledSysPackageLP(parser);
    } else if (tagName.equals("cleaning-package")) {
    String name = parser.getAttributeValue(null, "name");
    if (name != null) {
    mPackagesToBeCleaned.add(name);
    }
    } else if (tagName.equals("renamed-package")) {
    String nname = parser.getAttributeValue(null, "new");
    String oname = parser.getAttributeValue(null, "old");
    if (nname != null && oname != null) {
    mRenamedPackages.put(nname, oname);
    }
    } else if (tagName.equals("last-platform-version")) {
    mInternalSdkPlatform = mExternalSdkPlatform = 0;
    try {
    String internal = parser.getAttributeValue(null, "internal");
    if (internal != null) {
    mInternalSdkPlatform = Integer.parseInt(internal);
    }
    String external = parser.getAttributeValue(null, "external");
    if (external != null) {
    mExternalSdkPlatform = Integer.parseInt(external);
    }
    } catch (NumberFormatException e) {
    }
    } else {
    Slog.w(TAG, "Unknown element under <packages>: "
    + parser.getName());
    XmlUtils.skipCurrentTag(parser);
    }
    }

    str.close();

    } catch(XmlPullParserException e) {
    mReadMessages.append("Error reading: " + e.toString());
    reportSettingsProblem(Log.ERROR, "Error reading settings: " + e);
    Slog.e(TAG, "Error reading package manager settings", e);

    } catch(java.io.IOException e) {
    mReadMessages.append("Error reading: " + e.toString());
    reportSettingsProblem(Log.ERROR, "Error reading settings: " + e);
    Slog.e(TAG, "Error reading package manager settings", e);

    }

    int N = mPendingPackages.size();
    for (int i=0; i<N; i++) {
    final PendingPackage pp = mPendingPackages.get(i);
    Object idObj = getUserIdLP(pp.sharedId);
    if (idObj != null && idObj instanceof SharedUserSetting) {
    PackageSetting p = getPackageLP(pp.name, null, pp.realName,
    (SharedUserSetting) idObj, pp.codePath, pp.resourcePath,
    pp.nativeLibraryPathString, pp.versionCode, pp.pkgFlags, true, true);
    if (p == null) {
    reportSettingsProblem(Log.WARN, "Unable to create application package for "
    + pp.name);
    continue;
    }
    p.copyFrom(pp);
    } else if (idObj != null) {
    String msg = "Bad package setting: package " + pp.name
    + " has shared uid " + pp.sharedId
    + " that is not a shared uid\n";
    mReadMessages.append(msg);
    reportSettingsProblem(Log.ERROR, msg);
    } else {
    String msg = "Bad package setting: package " + pp.name
    + " has shared uid " + pp.sharedId
    + " that is not defined\n";
    mReadMessages.append(msg);
    reportSettingsProblem(Log.ERROR, msg);
    }
    }
    mPendingPackages.clear();

    mReadMessages.append("Read completed successfully: "
    + mPackages.size() + " packages, "
    + mSharedUsers.size() + " shared uids\n");

    return true;
    }

    private int readInt(XmlPullParser parser, String ns, String name,
    int defValue) {
    String v = parser.getAttributeValue(ns, name);
    try {
    if (v == null) {
    return defValue;
    }
    return Integer.parseInt(v);
    } catch (NumberFormatException e) {
    reportSettingsProblem(Log.WARN,
    "Error in package manager settings: attribute " +
    name + " has bad integer value " + v + " at "
    + parser.getPositionDescription());
    }
    return defValue;
    }

    private void readPermissionsLP(HashMap<String, BasePermission> out,
    XmlPullParser parser)
    throws IOException, XmlPullParserException {
    int outerDepth = parser.getDepth();
    int type;
    while ((type=parser.next()) != XmlPullParser.END_DOCUMENT
    && (type != XmlPullParser.END_TAG
    || parser.getDepth() > outerDepth)) {
    if (type == XmlPullParser.END_TAG
    || type == XmlPullParser.TEXT) {
    continue;
    }

    String tagName = parser.getName();
    if (tagName.equals("item")) {
    String name = parser.getAttributeValue(null, "name");
    String sourcePackage = parser.getAttributeValue(null, "package");
    String ptype = parser.getAttributeValue(null, "type");
    if (name != null && sourcePackage != null) {
    boolean dynamic = "dynamic".equals(ptype);
    BasePermission bp = new BasePermission(name, sourcePackage,
    dynamic
    ? BasePermission.TYPE_DYNAMIC
    : BasePermission.TYPE_NORMAL);
    bp.protectionLevel = readInt(parser, null, "protection",
    PermissionInfo.PROTECTION_NORMAL);
    if (dynamic) {
    PermissionInfo pi = new PermissionInfo();
    pi.packageName = sourcePackage.intern();
    pi.name = name.intern();
    pi.icon = readInt(parser, null, "icon", 0);
    pi.nonLocalizedLabel = parser.getAttributeValue(
    null, "label");
    pi.protectionLevel = bp.protectionLevel;
    bp.pendingInfo = pi;
    }
    out.put(bp.name, bp);
    } else {
    reportSettingsProblem(Log.WARN,
    "Error in package manager settings: permissions has"
    + " no name at " + parser.getPositionDescription());
    }
    } else {
    reportSettingsProblem(Log.WARN,
    "Unknown element reading permissions: "
    + parser.getName() + " at "
    + parser.getPositionDescription());
    }
    XmlUtils.skipCurrentTag(parser);
    }
    }

    private void readDisabledSysPackageLP(XmlPullParser parser)
    throws XmlPullParserException, IOException {
    String name = parser.getAttributeValue(null, "name");
    String realName = parser.getAttributeValue(null, "realName");
    String codePathStr = parser.getAttributeValue(null, "codePath");
    String resourcePathStr = parser.getAttributeValue(null, "resourcePath");
    String nativeLibraryPathStr = parser.getAttributeValue(null, "nativeLibraryPath");
    if (resourcePathStr == null) {
    resourcePathStr = codePathStr;
    }
    String version = parser.getAttributeValue(null, "version");
    int versionCode = 0;
    if (version != null) {
    try {
    versionCode = Integer.parseInt(version);
    } catch (NumberFormatException e) {
    }
    }

    int pkgFlags = 0;
    pkgFlags |= ApplicationInfo.FLAG_SYSTEM;
    PackageSetting ps = new PackageSetting(name, realName, new File(codePathStr),
    new File(resourcePathStr), nativeLibraryPathStr, versionCode, pkgFlags);
    String timeStampStr = parser.getAttributeValue(null, "ft");
    if (timeStampStr != null) {
    try {
    long timeStamp = Long.parseLong(timeStampStr, 16);
    ps.setTimeStamp(timeStamp);
    } catch (NumberFormatException e) {
    }
    } else {
    timeStampStr = parser.getAttributeValue(null, "ts");
    if (timeStampStr != null) {
    try {
    long timeStamp = Long.parseLong(timeStampStr);
    ps.setTimeStamp(timeStamp);
    } catch (NumberFormatException e) {
    }
    }
    }
    timeStampStr = parser.getAttributeValue(null, "it");
    if (timeStampStr != null) {
    try {
    ps.firstInstallTime = Long.parseLong(timeStampStr, 16);
    } catch (NumberFormatException e) {
    }
    }
    timeStampStr = parser.getAttributeValue(null, "ut");
    if (timeStampStr != null) {
    try {
    ps.lastUpdateTime = Long.parseLong(timeStampStr, 16);
    } catch (NumberFormatException e) {
    }
    }
    String idStr = parser.getAttributeValue(null, "userId");
    ps.userId = idStr != null ? Integer.parseInt(idStr) : 0;
    if(ps.userId <= 0) {
    String sharedIdStr = parser.getAttributeValue(null, "sharedUserId");
    ps.userId = sharedIdStr != null ? Integer.parseInt(sharedIdStr) : 0;
    }
    int outerDepth = parser.getDepth();
    int type;
    while ((type=parser.next()) != XmlPullParser.END_DOCUMENT
    && (type != XmlPullParser.END_TAG
    || parser.getDepth() > outerDepth)) {
    if (type == XmlPullParser.END_TAG
    || type == XmlPullParser.TEXT) {
    continue;
    }

    String tagName = parser.getName();
    if (tagName.equals("perms")) {
    readGrantedPermissionsLP(parser,
    ps.grantedPermissions);
    } else {
    reportSettingsProblem(Log.WARN,
    "Unknown element under <updated-package>: "
    + parser.getName());
    XmlUtils.skipCurrentTag(parser);
    }
    }
    mDisabledSysPackages.put(name, ps);
    }

    private void readPackageLP(XmlPullParser parser)
    throws XmlPullParserException, IOException {
    String name = null;
    String realName = null;
    String idStr = null;
    String sharedIdStr = null;
    String codePathStr = null;
    String resourcePathStr = null;
    String nativeLibraryPathStr = null;
    String systemStr = null;
    String installerPackageName = null;
    String uidError = null;
    int pkgFlags = 0;
    long timeStamp = 0;
    long firstInstallTime = 0;
    long lastUpdateTime = 0;
    PackageSettingBase packageSetting = null;
    String version = null;
    int versionCode = 0;
    try {
    name = parser.getAttributeValue(null, "name");
    realName = parser.getAttributeValue(null, "realName");
    idStr = parser.getAttributeValue(null, "userId");
    uidError = parser.getAttributeValue(null, "uidError");
    sharedIdStr = parser.getAttributeValue(null, "sharedUserId");
    codePathStr = parser.getAttributeValue(null, "codePath");
    resourcePathStr = parser.getAttributeValue(null, "resourcePath");
    nativeLibraryPathStr = parser.getAttributeValue(null, "nativeLibraryPath");
    version = parser.getAttributeValue(null, "version");
    if (version != null) {
    try {
    versionCode = Integer.parseInt(version);
    } catch (NumberFormatException e) {
    }
    }
    installerPackageName = parser.getAttributeValue(null, "installer");

    systemStr = parser.getAttributeValue(null, "flags");
    if (systemStr != null) {
    try {
    pkgFlags = Integer.parseInt(systemStr);
    } catch (NumberFormatException e) {
    }
    } else {
    // For backward compatibility
    systemStr = parser.getAttributeValue(null, "system");
    if (systemStr != null) {
    pkgFlags |= ("true".equalsIgnoreCase(systemStr)) ? ApplicationInfo.FLAG_SYSTEM : 0;
    } else {
    // Old settings that don't specify system... just treat
    // them as system, good enough.
    pkgFlags |= ApplicationInfo.FLAG_SYSTEM;
    }
    }
    String timeStampStr = parser.getAttributeValue(null, "ft");
    if (timeStampStr != null) {
    try {
    timeStamp = Long.parseLong(timeStampStr, 16);
    } catch (NumberFormatException e) {
    }
    } else {
    timeStampStr = parser.getAttributeValue(null, "ts");
    if (timeStampStr != null) {
    try {
    timeStamp = Long.parseLong(timeStampStr);
    } catch (NumberFormatException e) {
    }
    }
    }
    timeStampStr = parser.getAttributeValue(null, "it");
    if (timeStampStr != null) {
    try {
    firstInstallTime = Long.parseLong(timeStampStr, 16);
    } catch (NumberFormatException e) {
    }
    }
    timeStampStr = parser.getAttributeValue(null, "ut");
    if (timeStampStr != null) {
    try {
    lastUpdateTime = Long.parseLong(timeStampStr, 16);
    } catch (NumberFormatException e) {
    }
    }
    if (DEBUG_SETTINGS) Log.v(TAG, "Reading package: " + name
    + " userId=" + idStr + " sharedUserId=" + sharedIdStr);
    int userId = idStr != null ? Integer.parseInt(idStr) : 0;
    if (resourcePathStr == null) {
    resourcePathStr = codePathStr;
    }
    if (realName != null) {
    realName = realName.intern();
    }
    if (name == null) {
    reportSettingsProblem(Log.WARN,
    "Error in package manager settings: <package> has no name at "
    + parser.getPositionDescription());
    } else if (codePathStr == null) {
    reportSettingsProblem(Log.WARN,
    "Error in package manager settings: <package> has no codePath at "
    + parser.getPositionDescription());
    } else if (userId > 0) {
    packageSetting = addPackageLP(name.intern(), realName, new File(codePathStr),
    new File(resourcePathStr), nativeLibraryPathStr, userId, versionCode,
    pkgFlags);
    if (DEBUG_SETTINGS) Log.i(TAG, "Reading package " + name
    + ": userId=" + userId + " pkg=" + packageSetting);
    if (packageSetting == null) {
    reportSettingsProblem(Log.ERROR,
    "Failure adding uid " + userId
    + " while parsing settings at "
    + parser.getPositionDescription());
    } else {
    packageSetting.setTimeStamp(timeStamp);
    packageSetting.firstInstallTime = firstInstallTime;
    packageSetting.lastUpdateTime = lastUpdateTime;
    }
    } else if (sharedIdStr != null) {
    userId = sharedIdStr != null
    ? Integer.parseInt(sharedIdStr) : 0;
    if (userId > 0) {
    packageSetting = new PendingPackage(name.intern(), realName,
    new File(codePathStr), new File(resourcePathStr),
    nativeLibraryPathStr, userId, versionCode, pkgFlags);
    packageSetting.setTimeStamp(timeStamp);
    packageSetting.firstInstallTime = firstInstallTime;
    packageSetting.lastUpdateTime = lastUpdateTime;
    mPendingPackages.add((PendingPackage) packageSetting);
    if (DEBUG_SETTINGS) Log.i(TAG, "Reading package " + name
    + ": sharedUserId=" + userId + " pkg="
    + packageSetting);
    } else {
    reportSettingsProblem(Log.WARN,
    "Error in package manager settings: package "
    + name + " has bad sharedId " + sharedIdStr
    + " at " + parser.getPositionDescription());
    }
    } else {
    reportSettingsProblem(Log.WARN,
    "Error in package manager settings: package "
    + name + " has bad userId " + idStr + " at "
    + parser.getPositionDescription());
    }
    } catch (NumberFormatException e) {
    reportSettingsProblem(Log.WARN,
    "Error in package manager settings: package "
    + name + " has bad userId " + idStr + " at "
    + parser.getPositionDescription());
    }
    if (packageSetting != null) {
    packageSetting.uidError = "true".equals(uidError);
    packageSetting.installerPackageName = installerPackageName;
    packageSetting.nativeLibraryPathString = nativeLibraryPathStr;
    final String enabledStr = parser.getAttributeValue(null, "enabled");
    if (enabledStr != null) {
    if (enabledStr.equalsIgnoreCase("true")) {
    packageSetting.enabled = COMPONENT_ENABLED_STATE_ENABLED;
    } else if (enabledStr.equalsIgnoreCase("false")) {
    packageSetting.enabled = COMPONENT_ENABLED_STATE_DISABLED;
    } else if (enabledStr.equalsIgnoreCase("default")) {
    packageSetting.enabled = COMPONENT_ENABLED_STATE_DEFAULT;
    } else {
    reportSettingsProblem(Log.WARN,
    "Error in package manager settings: package "
    + name + " has bad enabled value: " + idStr
    + " at " + parser.getPositionDescription());
    }
    } else {
    packageSetting.enabled = COMPONENT_ENABLED_STATE_DEFAULT;
    }
    final String installStatusStr = parser.getAttributeValue(null, "installStatus");
    if (installStatusStr != null) {
    if (installStatusStr.equalsIgnoreCase("false")) {
    packageSetting.installStatus = PKG_INSTALL_INCOMPLETE;
    } else {
    packageSetting.installStatus = PKG_INSTALL_COMPLETE;
    }
    }

    int outerDepth = parser.getDepth();
    int type;
    while ((type=parser.next()) != XmlPullParser.END_DOCUMENT
    && (type != XmlPullParser.END_TAG
    || parser.getDepth() > outerDepth)) {
    if (type == XmlPullParser.END_TAG
    || type == XmlPullParser.TEXT) {
    continue;
    }

    String tagName = parser.getName();
    if (tagName.equals("disabled-components")) {
    readDisabledComponentsLP(packageSetting, parser);
    } else if (tagName.equals("enabled-components")) {
    readEnabledComponentsLP(packageSetting, parser);
    } else if (tagName.equals("sigs")) {
    packageSetting.signatures.readXml(parser, mPastSignatures);
    } else if (tagName.equals("perms")) {
    readGrantedPermissionsLP(parser,
    packageSetting.grantedPermissions);
    packageSetting.permissionsFixed = true;
    } else {
    reportSettingsProblem(Log.WARN,
    "Unknown element under <package>: "
    + parser.getName());
    XmlUtils.skipCurrentTag(parser);
    }
    }
    } else {
    XmlUtils.skipCurrentTag(parser);
    }
    }

    private void readDisabledComponentsLP(PackageSettingBase packageSetting,
    XmlPullParser parser)
    throws IOException, XmlPullParserException {
    int outerDepth = parser.getDepth();
    int type;
    while ((type=parser.next()) != XmlPullParser.END_DOCUMENT
    && (type != XmlPullParser.END_TAG
    || parser.getDepth() > outerDepth)) {
    if (type == XmlPullParser.END_TAG
    || type == XmlPullParser.TEXT) {
    continue;
    }

    String tagName = parser.getName();
    if (tagName.equals("item")) {
    String name = parser.getAttributeValue(null, "name");
    if (name != null) {
    packageSetting.disabledComponents.add(name.intern());
    } else {
    reportSettingsProblem(Log.WARN,
    "Error in package manager settings: <disabled-components> has"
    + " no name at " + parser.getPositionDescription());
    }
    } else {
    reportSettingsProblem(Log.WARN,
    "Unknown element under <disabled-components>: "
    + parser.getName());
    }
    XmlUtils.skipCurrentTag(parser);
    }
    }

    private void readEnabledComponentsLP(PackageSettingBase packageSetting,
    XmlPullParser parser)
    throws IOException, XmlPullParserException {
    int outerDepth = parser.getDepth();
    int type;
    while ((type=parser.next()) != XmlPullParser.END_DOCUMENT
    && (type != XmlPullParser.END_TAG
    || parser.getDepth() > outerDepth)) {
    if (type == XmlPullParser.END_TAG
    || type == XmlPullParser.TEXT) {
    continue;
    }

    String tagName = parser.getName();
    if (tagName.equals("item")) {
    String name = parser.getAttributeValue(null, "name");
    if (name != null) {
    packageSetting.enabledComponents.add(name.intern());
    } else {
    reportSettingsProblem(Log.WARN,
    "Error in package manager settings: <enabled-components> has"
    + " no name at " + parser.getPositionDescription());
    }
    } else {
    reportSettingsProblem(Log.WARN,
    "Unknown element under <enabled-components>: "
    + parser.getName());
    }
    XmlUtils.skipCurrentTag(parser);
    }
    }

    private void readSharedUserLP(XmlPullParser parser)
    throws XmlPullParserException, IOException {
    String name = null;
    String idStr = null;
    int pkgFlags = 0;
    SharedUserSetting su = null;
    try {
    name = parser.getAttributeValue(null, "name");
    idStr = parser.getAttributeValue(null, "userId");
    int userId = idStr != null ? Integer.parseInt(idStr) : 0;
    if ("true".equals(parser.getAttributeValue(null, "system"))) {
    pkgFlags |= ApplicationInfo.FLAG_SYSTEM;
    }
    if (name == null) {
    reportSettingsProblem(Log.WARN,
    "Error in package manager settings: <shared-user> has no name at "
    + parser.getPositionDescription());
    } else if (userId == 0) {
    reportSettingsProblem(Log.WARN,
    "Error in package manager settings: shared-user "
    + name + " has bad userId " + idStr + " at "
    + parser.getPositionDescription());
    } else {
    if ((su=addSharedUserLP(name.intern(), userId, pkgFlags)) == null) {
    reportSettingsProblem(Log.ERROR,
    "Occurred while parsing settings at "
    + parser.getPositionDescription());
    }
    }
    } catch (NumberFormatException e) {
    reportSettingsProblem(Log.WARN,
    "Error in package manager settings: package "
    + name + " has bad userId " + idStr + " at "
    + parser.getPositionDescription());
    };

    if (su != null) {
    int outerDepth = parser.getDepth();
    int type;
    while ((type=parser.next()) != XmlPullParser.END_DOCUMENT
    && (type != XmlPullParser.END_TAG
    || parser.getDepth() > outerDepth)) {
    if (type == XmlPullParser.END_TAG
    || type == XmlPullParser.TEXT) {
    continue;
    }

    String tagName = parser.getName();
    if (tagName.equals("sigs")) {
    su.signatures.readXml(parser, mPastSignatures);
    } else if (tagName.equals("perms")) {
    readGrantedPermissionsLP(parser, su.grantedPermissions);
    } else {
    reportSettingsProblem(Log.WARN,
    "Unknown element under <shared-user>: "
    + parser.getName());
    XmlUtils.skipCurrentTag(parser);
    }
    }

    } else {
    XmlUtils.skipCurrentTag(parser);
    }
    }

    private void readGrantedPermissionsLP(XmlPullParser parser,
    HashSet<String> outPerms) throws IOException, XmlPullParserException {
    int outerDepth = parser.getDepth();
    int type;
    while ((type=parser.next()) != XmlPullParser.END_DOCUMENT
    && (type != XmlPullParser.END_TAG
    || parser.getDepth() > outerDepth)) {
    if (type == XmlPullParser.END_TAG
    || type == XmlPullParser.TEXT) {
    continue;
    }

    String tagName = parser.getName();
    if (tagName.equals("item")) {
    String name = parser.getAttributeValue(null, "name");
    if (name != null) {
    outPerms.add(name.intern());
    } else {
    reportSettingsProblem(Log.WARN,
    "Error in package manager settings: <perms> has"
    + " no name at " + parser.getPositionDescription());
    }
    } else {
    reportSettingsProblem(Log.WARN,
    "Unknown element under <perms>: "
    + parser.getName());
    }
    XmlUtils.skipCurrentTag(parser);
    }
    }

    private void readPreferredActivitiesLP(XmlPullParser parser)
    throws XmlPullParserException, IOException {
    int outerDepth = parser.getDepth();
    int type;
    while ((type=parser.next()) != XmlPullParser.END_DOCUMENT
    && (type != XmlPullParser.END_TAG
    || parser.getDepth() > outerDepth)) {
    if (type == XmlPullParser.END_TAG
    || type == XmlPullParser.TEXT) {
    continue;
    }

    String tagName = parser.getName();
    if (tagName.equals("item")) {
    PreferredActivity pa = new PreferredActivity(parser);
    if (pa.mParseError == null) {
    mPreferredActivities.addFilter(pa);
    } else {
    reportSettingsProblem(Log.WARN,
    "Error in package manager settings: <preferred-activity> "
    + pa.mParseError + " at "
    + parser.getPositionDescription());
    }
    } else {
    reportSettingsProblem(Log.WARN,
    "Unknown element under <preferred-activities>: "
    + parser.getName());
    XmlUtils.skipCurrentTag(parser);
    }
    }
    }

    // Returns -1 if we could not find an available UserId to assign
    private int newUserIdLP(Object obj) {
    // Let's be stupidly inefficient for now...
    final int N = mUserIds.size();
    for (int i=0; i<N; i++) {
    if (mUserIds.get(i) == null) {
    mUserIds.set(i, obj);
    return FIRST_APPLICATION_UID + i;
    }
    }

    // None left?
    if (N >= MAX_APPLICATION_UIDS) {
    return -1;
    }

    mUserIds.add(obj);
    return FIRST_APPLICATION_UID + N;
    }

    public PackageSetting getDisabledSystemPkg(String name) {
    synchronized(mPackages) {
    PackageSetting ps = mDisabledSysPackages.get(name);
    return ps;
    }
    }

    boolean isEnabledLP(ComponentInfo componentInfo, int flags) {
    if ((flags&PackageManager.GET_DISABLED_COMPONENTS) != 0) {
    return true;
    }
    final PackageSetting packageSettings = mPackages.get(componentInfo.packageName);
    if (Config.LOGV) {
    Log.v(TAG, "isEnabledLock - packageName = " + componentInfo.packageName
    + " componentName = " + componentInfo.name);
    Log.v(TAG, "enabledComponents: "
    + Arrays.toString(packageSettings.enabledComponents.toArray()));
    Log.v(TAG, "disabledComponents: "
    + Arrays.toString(packageSettings.disabledComponents.toArray()));
    }
    if (packageSettings == null) {
    if (false) {
    Log.w(TAG, "WAITING FOR DEBUGGER");
    Debug.waitForDebugger();
    Log.i(TAG, "We will crash!");
    }
    return false;
    }
    if (packageSettings.enabled == COMPONENT_ENABLED_STATE_DISABLED
    || (packageSettings.pkg != null && !packageSettings.pkg.applicationInfo.enabled
    && packageSettings.enabled == COMPONENT_ENABLED_STATE_DEFAULT)) {
    return false;
    }
    if (packageSettings.enabledComponents.contains(componentInfo.name)) {
    return true;
    }
    if (packageSettings.disabledComponents.contains(componentInfo.name)) {
    return false;
    }
    return componentInfo.enabled;
    }
    }

    // ------- apps on sdcard specific code -------
    static final boolean DEBUG_SD_INSTALL = false;
    private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD";
    private static final String SD_ENCRYPTION_ALGORITHM = "AES";
    static final int MAX_CONTAINERS = 250;
    private boolean mMediaMounted = false;

    private String getEncryptKey() {
    try {
    String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString(
    SD_ENCRYPTION_KEYSTORE_NAME);
    if (sdEncKey == null) {
    sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128,
    SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME);
    if (sdEncKey == null) {
    Slog.e(TAG, "Failed to create encryption keys");
    return null;
    }
    }
    return sdEncKey;
    } catch (NoSuchAlgorithmException nsae) {
    Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae);
    return null;
    } catch (IOException ioe) {
    Slog.e(TAG, "Failed to retrieve encryption keys with exception: "
    + ioe);
    return null;
    }

    }

    /* package */ static String getTempContainerId() {
    int tmpIdx = 1;
    String list[] = PackageHelper.getSecureContainerList();
    if (list != null) {
    for (final String name : list) {
    // Ignore null and non-temporary container entries
    if (name == null || !name.startsWith(mTempContainerPrefix)) {
    continue;
    }

    String subStr = name.substring(mTempContainerPrefix.length());
    try {
    int cid = Integer.parseInt(subStr);
    if (cid >= tmpIdx) {
    tmpIdx = cid + 1;
    }
    } catch (NumberFormatException e) {
    }
    }
    }
    return mTempContainerPrefix + tmpIdx;
    }

    /*
    * Update media status on PackageManager.
    */
    public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) {
    if (Binder.getCallingUid() != Process.SYSTEM_UID) {
    throw new SecurityException("Media status can only be updated by the system");
    }
    synchronized (mPackages) {
    Log.i(TAG, "Updating external media status from " +
    (mMediaMounted ? "mounted" : "unmounted") + " to " +
    (mediaStatus ? "mounted" : "unmounted"));
    if (DEBUG_SD_INSTALL) Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" +
    mediaStatus+", mMediaMounted=" + mMediaMounted);
    if (mediaStatus == mMediaMounted) {
    Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS,
    reportStatus ? 1 : 0, -1);
    mHandler.sendMessage(msg);
    return;
    }
    mMediaMounted = mediaStatus;
    }
    // Queue up an async operation since the package installation may take a little while.
    mHandler.post(new Runnable() {
    public void run() {
    mHandler.removeCallbacks(this);
    updateExternalMediaStatusInner(mediaStatus, reportStatus);
    }
    });
    }

    /*
    * Collect information of applications on external media, map them
    * against existing containers and update information based on current
    * mount status. Please note that we always have to report status
    * if reportStatus has been set to true especially when unloading packages.
    */
    private void updateExternalMediaStatusInner(boolean mediaStatus,
    boolean reportStatus) {
    // Collection of uids
    int uidArr[] = null;
    // Collection of stale containers
    HashSet<String> removeCids = new HashSet<String>();
    // Collection of packages on external media with valid containers.
    HashMap<SdInstallArgs, String> processCids = new HashMap<SdInstallArgs, String>();
    // Get list of secure containers.
    final String list[] = PackageHelper.getSecureContainerList();
    if (list == null || list.length == 0) {
    Log.i(TAG, "No secure containers on sdcard");
    } else {
    // Process list of secure containers and categorize them
    // as active or stale based on their package internal state.
    int uidList[] = new int[list.length];
    int num = 0;
    synchronized (mPackages) {
    for (String cid : list) {
    SdInstallArgs args = new SdInstallArgs(cid);
    if (DEBUG_SD_INSTALL) Log.i(TAG, "Processing container " + cid);
    String pkgName = args.getPackageName();
    if (pkgName == null) {
    if (DEBUG_SD_INSTALL) Log.i(TAG, "Container : " + cid + " stale");
    removeCids.add(cid);
    continue;
    }
    if (DEBUG_SD_INSTALL) Log.i(TAG, "Looking for pkg : " + pkgName);
    PackageSetting ps = mSettings.mPackages.get(pkgName);
    // The package status is changed only if the code path
    // matches between settings and the container id.
    if (ps != null && ps.codePathString != null &&
    ps.codePathString.equals(args.getCodePath())) {
    if (DEBUG_SD_INSTALL) Log.i(TAG, "Container : " + cid +
    " corresponds to pkg : " + pkgName +
    " at code path: " + ps.codePathString);
    // We do have a valid package installed on sdcard
    processCids.put(args, ps.codePathString);
    int uid = ps.userId;
    if (uid != -1) {
    uidList[num++] = uid;
    }
    } else {
    // Stale container on sdcard. Just delete
    if (DEBUG_SD_INSTALL) Log.i(TAG, "Container : " + cid + " stale");
    removeCids.add(cid);
    }
    }
    }

    if (num > 0) {
    // Sort uid list
    Arrays.sort(uidList, 0, num);
    // Throw away duplicates
    uidArr = new int[num];
    uidArr[0] = uidList[0];
    int di = 0;
    for (int i = 1; i < num; i++) {
    if (uidList[i-1] != uidList[i]) {
    uidArr[di++] = uidList[i];
    }
    }
    }
    }
    // Process packages with valid entries.
    if (mediaStatus) {
    if (DEBUG_SD_INSTALL) Log.i(TAG, "Loading packages");
    loadMediaPackages(processCids, uidArr, removeCids);
    startCleaningPackages();
    } else {
    if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading packages");
    unloadMediaPackages(processCids, uidArr, reportStatus);
    }
    }

    private void sendResourcesChangedBroadcast(boolean mediaStatus,
    ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) {
    int size = pkgList.size();
    if (size > 0) {
    // Send broadcasts here
    Bundle extras = new Bundle();
    extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST,
    pkgList.toArray(new String[size]));
    if (uidArr != null) {
    extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr);
    }
    String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE
    : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE;
    sendPackageBroadcast(action, null, extras, finishedReceiver);
    }
    }

    /*
    * Look at potentially valid container ids from processCids
    * If package information doesn't match the one on record
    * or package scanning fails, the cid is added to list of
    * removeCids. We currently don't delete stale containers.
    */
    private void loadMediaPackages(HashMap<SdInstallArgs, String> processCids,
    int uidArr[], HashSet<String> removeCids) {
    ArrayList<String> pkgList = new ArrayList<String>();
    Set<SdInstallArgs> keys = processCids.keySet();
    boolean doGc = false;
    for (SdInstallArgs args : keys) {
    String codePath = processCids.get(args);
    if (DEBUG_SD_INSTALL) Log.i(TAG, "Loading container : "
    + args.cid);
    int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
    try {
    // Make sure there are no container errors first.
    if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED)
    != PackageManager.INSTALL_SUCCEEDED) {
    Slog.e(TAG, "Failed to mount cid : " + args.cid +
    " when installing from sdcard");
    continue;
    }
    // Check code path here.
    if (codePath == null || !codePath.equals(args.getCodePath())) {
    Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath()+
    " does not match one in settings " + codePath);
    continue;
    }
    // Parse package
    int parseFlags = PackageParser.PARSE_ON_SDCARD | mDefParseFlags;
    doGc = true;
    synchronized (mInstallLock) {
    final PackageParser.Package pkg = scanPackageLI(new File(codePath),
    parseFlags, 0, 0);
    // Scan the package
    if (pkg != null) {
    synchronized (mPackages) {
    retCode = PackageManager.INSTALL_SUCCEEDED;
    pkgList.add(pkg.packageName);
    // Post process args
    args.doPostInstall(PackageManager.INSTALL_SUCCEEDED);
    }
    } else {
    Slog.i(TAG, "Failed to install pkg from " +
    codePath + " from sdcard");
    }
    }

    } finally {
    if (retCode != PackageManager.INSTALL_SUCCEEDED) {
    // Don't destroy container here. Wait till gc clears things up.
    removeCids.add(args.cid);
    }
    }
    }
    synchronized (mPackages) {
    // If the platform SDK has changed since the last time we booted,
    // we need to re-grant app permission to catch any new ones that
    // appear. This is really a hack, and means that apps can in some
    // cases get permissions that the user didn't initially explicitly
    // allow... it would be nice to have some better way to handle
    // this situation.
    final boolean regrantPermissions = mSettings.mExternalSdkPlatform
    != mSdkVersion;
    if (regrantPermissions) Slog.i(TAG, "Platform changed from "
    + mSettings.mExternalSdkPlatform + " to " + mSdkVersion
    + "; regranting permissions for external storage");
    mSettings.mExternalSdkPlatform = mSdkVersion;

    // Make sure group IDs have been assigned, and any permission
    // changes in other apps are accounted for
    updatePermissionsLP(null, null, true, regrantPermissions, regrantPermissions);
    // Persist settings
    mSettings.writeLP();
    }
    // Send a broadcast to let everyone know we are done processing
    if (pkgList.size() > 0) {
    sendResourcesChangedBroadcast(true, pkgList, uidArr, null);
    }
    // Force gc to avoid any stale parser references that we might have.
    if (doGc) {
    Runtime.getRuntime().gc();
    }
    // List stale containers and destroy stale temporary containers.
    if (removeCids != null) {
    for (String cid : removeCids) {
    if (cid.startsWith(mTempContainerPrefix)) {
    Log.i(TAG, "Destroying stale temporary container " + cid);
    PackageHelper.destroySdDir(cid);
    } else {
    Log.w(TAG, "Container " + cid + " is stale");
    }
    }
    }
    }

    /*
    * Utility method to unload a list of specified containers
    */
    private void unloadAllContainers(Set<SdInstallArgs> cidArgs) {
    // Just unmount all valid containers.
    for (SdInstallArgs arg : cidArgs) {
    synchronized (mInstallLock) {
    arg.doPostDeleteLI(false);
    }
    }
    }

    /*
    * Unload packages mounted on external media. This involves deleting
    * package data from internal structures, sending broadcasts about
    * diabled packages, gc'ing to free up references, unmounting all
    * secure containers corresponding to packages on external media, and
    * posting a UPDATED_MEDIA_STATUS message if status has been requested.
    * Please note that we always have to post this message if status has
    * been requested no matter what.
    */
    private void unloadMediaPackages(HashMap<SdInstallArgs, String> processCids,
    int uidArr[], final boolean reportStatus) {
    if (DEBUG_SD_INSTALL) Log.i(TAG, "unloading media packages");
    ArrayList<String> pkgList = new ArrayList<String>();
    ArrayList<SdInstallArgs> failedList = new ArrayList<SdInstallArgs>();
    final Set<SdInstallArgs> keys = processCids.keySet();
    for (SdInstallArgs args : keys) {
    String cid = args.cid;
    String pkgName = args.getPackageName();
    if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to unload pkg : " + pkgName);
    // Delete package internally
    PackageRemovedInfo outInfo = new PackageRemovedInfo();
    synchronized (mInstallLock) {
    boolean res = deletePackageLI(pkgName, false,
    PackageManager.DONT_DELETE_DATA, outInfo, false);
    if (res) {
    pkgList.add(pkgName);
    } else {
    Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName);
    failedList.add(args);
    }
    }
    }

    synchronized (mPackages) {
    // We didn't update the settings after removing each package;
    // write them now for all packages.
    mSettings.writeLP();
    }

    // We have to absolutely send UPDATED_MEDIA_STATUS only
    // after confirming that all the receivers processed the ordered
    // broadcast when packages get disabled, force a gc to clean things up.
    // and unload all the containers.
    if (pkgList.size() > 0) {
    sendResourcesChangedBroadcast(false, pkgList, uidArr, new IIntentReceiver.Stub() {
    public void performReceive(Intent intent, int resultCode, String data, Bundle extras,
    boolean ordered, boolean sticky) throws RemoteException {
    Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS,
    reportStatus ? 1 : 0, 1, keys);
    mHandler.sendMessage(msg);
    }
    });
    } else {
    Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS,
    reportStatus ? 1 : 0, -1, keys);
    mHandler.sendMessage(msg);
    }
    }

    public void movePackage(final String packageName,
    final IPackageMoveObserver observer, final int flags) {
    mContext.enforceCallingOrSelfPermission(
    android.Manifest.permission.MOVE_PACKAGE, null);
    int returnCode = PackageManager.MOVE_SUCCEEDED;
    int currFlags = 0;
    int newFlags = 0;
    synchronized (mPackages) {
    PackageParser.Package pkg = mPackages.get(packageName);
    if (pkg == null) {
    returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST;
    } else {
    // Disable moving fwd locked apps and system packages
    if (pkg.applicationInfo != null && isSystemApp(pkg)) {
    Slog.w(TAG, "Cannot move system application");
    returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE;
    } else if (pkg.applicationInfo != null && isForwardLocked(pkg)) {
    Slog.w(TAG, "Cannot move forward locked app.");
    returnCode = PackageManager.MOVE_FAILED_FORWARD_LOCKED;
    } else if (pkg.mOperationPending) {
    Slog.w(TAG, "Attempt to move package which has pending operations");
    returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING;
    } else {
    // Find install location first
    if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 &&
    (flags & PackageManager.MOVE_INTERNAL) != 0) {
    Slog.w(TAG, "Ambigous flags specified for move location.");
    returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION;
    } else {
    newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ?
    PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL;
    currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL
    : PackageManager.INSTALL_INTERNAL;
    if (newFlags == currFlags) {
    Slog.w(TAG, "No move required. Trying to move to same location");
    returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION;
    }
    }
    if (returnCode == PackageManager.MOVE_SUCCEEDED) {
    pkg.mOperationPending = true;
    }
    }
    }
    if (returnCode != PackageManager.MOVE_SUCCEEDED) {
    processPendingMove(new MoveParams(null, observer, 0, packageName, null), returnCode);
    } else {
    Message msg = mHandler.obtainMessage(INIT_COPY);
    InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir,
    pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir);
    MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName,
    pkg.applicationInfo.dataDir);
    msg.obj = mp;
    mHandler.sendMessage(msg);
    }
    }
    }

    private void processPendingMove(final MoveParams mp, final int currentStatus) {
    // Queue up an async operation since the package deletion may take a little while.
    mHandler.post(new Runnable() {
    public void run() {
    mHandler.removeCallbacks(this);
    int returnCode = currentStatus;
    if (currentStatus == PackageManager.MOVE_SUCCEEDED) {
    int uidArr[] = null;
    ArrayList<String> pkgList = null;
    synchronized (mPackages) {
    PackageParser.Package pkg = mPackages.get(mp.packageName);
    if (pkg == null) {
    Slog.w(TAG, " Package " + mp.packageName +
    " doesn't exist. Aborting move");
    returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST;
    } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) {
    Slog.w(TAG, "Package " + mp.packageName + " code path changed from " +
    mp.srcArgs.getCodePath() + " to " + pkg.applicationInfo.sourceDir +
    " Aborting move and returning error");
    returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR;
    } else {
    uidArr = new int[] { pkg.applicationInfo.uid };
    pkgList = new ArrayList<String>();
    pkgList.add(mp.packageName);
    }
    }
    if (returnCode == PackageManager.MOVE_SUCCEEDED) {
    // Send resources unavailable broadcast
    sendResourcesChangedBroadcast(false, pkgList, uidArr, null);
    // Update package code and resource paths
    synchronized (mInstallLock) {
    synchronized (mPackages) {
    PackageParser.Package pkg = mPackages.get(mp.packageName);
    // Recheck for package again.
    if (pkg == null) {
    Slog.w(TAG, " Package " + mp.packageName
    + " doesn't exist. Aborting move");
    returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST;
    } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) {
    Slog.w(TAG, "Package " + mp.packageName + " code path changed from " +
    mp.srcArgs.getCodePath() + " to " + pkg.applicationInfo.sourceDir +
    " Aborting move and returning error");
    returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR;
    } else {
    final String oldCodePath = pkg.mPath;
    final String newCodePath = mp.targetArgs.getCodePath();
    final String newResPath = mp.targetArgs.getResourcePath();
    final String newNativePath = mp.targetArgs.getNativeLibraryPath();

    if ((mp.flags & PackageManager.INSTALL_EXTERNAL) == 0) {
    if (mInstaller
    .unlinkNativeLibraryDirectory(pkg.applicationInfo.dataDir) < 0) {
    returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE;
    } else {
    NativeLibraryHelper.copyNativeBinariesLI(
    new File(newCodePath), new File(newNativePath));
    }
    } else {
    if (mInstaller.linkNativeLibraryDirectory(
    pkg.applicationInfo.dataDir, newNativePath) < 0) {
    returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE;
    }
    }

    if (returnCode == PackageManager.MOVE_SUCCEEDED) {
    pkg.mPath = newCodePath;
    // Move dex files around
    if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) {
    // Moving of dex files failed. Set
    // error code and abort move.
    pkg.mPath = pkg.mScanPath;
    returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE;
    }
    }

    if (returnCode == PackageManager.MOVE_SUCCEEDED) {
    pkg.mScanPath = newCodePath;
    pkg.applicationInfo.sourceDir = newCodePath;
    pkg.applicationInfo.publicSourceDir = newResPath;
    pkg.applicationInfo.nativeLibraryDir = newNativePath;
    PackageSetting ps = (PackageSetting) pkg.mExtras;
    ps.codePath = new File(pkg.applicationInfo.sourceDir);
    ps.codePathString = ps.codePath.getPath();
    ps.resourcePath = new File(pkg.applicationInfo.publicSourceDir);
    ps.resourcePathString = ps.resourcePath.getPath();
    ps.nativeLibraryPathString = newNativePath;
    // Set the application info flag correctly.
    if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) {
    pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE;
    } else {
    pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE;
    }
    ps.setFlags(pkg.applicationInfo.flags);
    mAppDirs.remove(oldCodePath);
    mAppDirs.put(newCodePath, pkg);
    // Persist settings
    mSettings.writeLP();
    }
    }
    }
    }
    // Send resources available broadcast
    sendResourcesChangedBroadcast(true, pkgList, uidArr, null);
    }
    }
    if (returnCode != PackageManager.MOVE_SUCCEEDED){
    // Clean up failed installation
    if (mp.targetArgs != null) {
    mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR);
    }
    } else {
    // Force a gc to clear things up.
    Runtime.getRuntime().gc();
    // Delete older code
    synchronized (mInstallLock) {
    mp.srcArgs.doPostDeleteLI(true);
    }
    }

    // Allow more operations on this file if we didn't fail because
    // an operation was already pending for this package.
    if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) {
    synchronized (mPackages) {
    PackageParser.Package pkg = mPackages.get(mp.packageName);
    if (pkg != null) {
    pkg.mOperationPending = false;
    }
    }
    }

    IPackageMoveObserver observer = mp.observer;
    if (observer != null) {
    try {
    observer.packageMoved(mp.packageName, returnCode);
    } catch (RemoteException e) {
    Log.i(TAG, "Observer no longer exists.");
    }
    }
    }
    });
    }

    public boolean setInstallLocation(int loc) {
    mContext.enforceCallingOrSelfPermission(
    android.Manifest.permission.WRITE_SECURE_SETTINGS, null);
    if (getInstallLocation() == loc) {
    return true;
    }
    if (loc == PackageHelper.APP_INSTALL_AUTO ||
    loc == PackageHelper.APP_INSTALL_INTERNAL ||
    loc == PackageHelper.APP_INSTALL_EXTERNAL) {
    android.provider.Settings.System.putInt(mContext.getContentResolver(),
    android.provider.Settings.Secure.DEFAULT_INSTALL_LOCATION, loc);
    return true;
    }
    return false;
    }

    public int getInstallLocation() {
    return android.provider.Settings.System.getInt(mContext.getContentResolver(),
    android.provider.Settings.Secure.DEFAULT_INSTALL_LOCATION, PackageHelper.APP_INSTALL_AUTO);
    }
    }

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  • 原文地址:https://www.cnblogs.com/Lovetuya/p/2817230.html
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