/*
* 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();
}