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android / platform / frameworks / base / 13579ed / . / services / java / com / android / server / pm / PackageManagerService.java
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/*
* 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.pm;
import static android.Manifest.permission.GRANT_REVOKE_PERMISSIONS;
import static android.Manifest.permission.READ_EXTERNAL_STORAGE;
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_DISABLED_USER;
import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED;
import static com.android.internal.util.ArrayUtils.appendInt;
import static com.android.internal.util.ArrayUtils.removeInt;
import static libcore.io.OsConstants.S_ISLNK;
import static libcore.io.OsConstants.S_IRWXU;
import static libcore.io.OsConstants.S_IRGRP;
import static libcore.io.OsConstants.S_IXGRP;
import static libcore.io.OsConstants.S_IROTH;
import static libcore.io.OsConstants.S_IXOTH;
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.XmlUtils;
import com.android.server.DeviceStorageMonitorService;
import com.android.server.EventLogTags;
import com.android.server.IntentResolver;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import org.xmlpull.v1.XmlSerializer;
import android.app.ActivityManager;
import android.app.ActivityManagerNative;
import android.app.IActivityManager;
import android.app.admin.IDevicePolicyManager;
import android.app.backup.IBackupManager;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.Context;
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.ContainerEncryptionParams;
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.PackageCleanItem;
import android.content.pm.PackageInfo;
import android.content.pm.PackageInfoLite;
import android.content.pm.PackageManager;
import android.content.pm.PackageParser;
import android.content.pm.PackageUserState;
import android.content.pm.PackageParser.ActivityIntentInfo;
import android.content.pm.PackageStats;
import android.content.pm.ParceledListSlice;
import android.content.pm.PermissionGroupInfo;
import android.content.pm.PermissionInfo;
import android.content.pm.ProviderInfo;
import android.content.pm.ResolveInfo;
import android.content.pm.ServiceInfo;
import android.content.pm.Signature;
import android.content.pm.ManifestDigest;
import android.content.pm.VerificationParams;
import android.content.pm.VerifierDeviceIdentity;
import android.content.pm.VerifierInfo;
import android.net.Uri;
import android.os.Binder;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.os.FileObserver;
import android.os.FileUtils;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.IBinder;
import android.os.Looper;
import android.os.Message;
import android.os.Parcel;
import android.os.ParcelFileDescriptor;
import android.os.Process;
import android.os.RemoteException;
import android.os.SELinux;
import android.os.ServiceManager;
import android.os.SystemClock;
import android.os.SystemProperties;
import android.os.UserHandle;
import android.os.Environment.UserEnvironment;
import android.provider.Settings.Secure;
import android.security.SystemKeyStore;
import android.util.DisplayMetrics;
import android.util.EventLog;
import android.util.Log;
import android.util.LogPrinter;
import android.util.Slog;
import android.util.SparseArray;
import android.util.Xml;
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.PrintWriter;
import java.security.NoSuchAlgorithmException;
import java.security.PublicKey;
import java.security.cert.CertificateException;
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.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import libcore.io.ErrnoException;
import libcore.io.IoUtils;
import libcore.io.Libcore;
import libcore.io.OsConstants;
import libcore.io.StructStat;
/**
* 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
*
* {@hide}
*/
public class PackageManagerService extends IPackageManager.Stub {
static final String TAG = "PackageManager";
static final boolean DEBUG_SETTINGS = false;
private static final boolean DEBUG_PREFERRED = false;
static final boolean DEBUG_UPGRADE = false;
private static final boolean DEBUG_INSTALL = false;
private static final boolean DEBUG_REMOVE = false;
private static final boolean DEBUG_BROADCASTS = false;
private static final boolean DEBUG_SHOW_INFO = false;
private static final boolean DEBUG_PACKAGE_INFO = false;
private static final boolean DEBUG_INTENT_MATCHING = false;
private static final boolean DEBUG_PACKAGE_SCANNING = false;
private static final boolean DEBUG_APP_DIR_OBSERVER = false;
private static final boolean DEBUG_VERIFY = false;
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 BLUETOOTH_UID = Process.BLUETOOTH_UID;
private static final boolean GET_CERTIFICATES = true;
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 = "-";
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 SCAN_DEFER_DEX = 1<<7;
static final int SCAN_BOOTING = 1<<8;
static final int REMOVE_CHATTY = 1<<16;
/**
* Whether verification is enabled by default.
*/
private static final boolean DEFAULT_VERIFY_ENABLE = true;
/**
* The default maximum time to wait for the verification agent to return in
* milliseconds.
*/
private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000;
/**
* The default response for package verification timeout.
*
* This can be either PackageManager.VERIFICATION_ALLOW or
* PackageManager.VERIFICATION_REJECT.
*/
private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW;
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 PACKAGE_MIME_TYPE = "application/vnd.android.package-archive";
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 mOnlyCore;
final boolean mNoDexOpt;
final DisplayMetrics mMetrics;
final int mDefParseFlags;
final String[] mSeparateProcesses;
// This is where all application persistent data goes.
final File mAppDataDir;
// This is where all application persistent data goes for secondary users.
final File mUserAppDataDir;
/** The location for ASEC container files on internal storage. */
final String mAsecInternalPath;
// 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 privilege 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 to which applications installed internally have native
* libraries copied.
*/
private File mAppLibInstallDir;
// 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;
// ----------------------------------------------------------------
// 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>();
/** List of packages waiting for verification. */
final SparseArray<PackageVerificationState> mPendingVerification
= new SparseArray<PackageVerificationState>();
final ArrayList<PackageParser.Package> mDeferredDexOpt =
new ArrayList<PackageParser.Package>();
/** Token for keys in mPendingVerification. */
private int mPendingVerificationToken = 0;
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_PACKAGE_RESTRICTIONS = 14;
static final int PACKAGE_VERIFIED = 15;
static final int CHECK_PENDING_VERIFICATION = 16;
static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds
// Delay time in millisecs
static final int BROADCAST_DELAY = 10 * 1000;
static UserManagerService sUserManager;
// Stores a list of users whose package restrictions file needs to be updated
private HashSet<Integer> mDirtyUsers = new HashSet<Integer>();
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
private final String mRequiredVerifierPackage;
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, UserHandle.USER_OWNER)) {
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_INSTALL) Slog.i(TAG, "init_copy");
HandlerParams params = (HandlerParams) msg.obj;
int idx = mPendingInstalls.size();
if (DEBUG_INSTALL) Slog.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_INSTALL) Slog.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) {
// Indicate service bind error
params.serviceError();
}
mPendingInstalls.clear();
} else if (mPendingInstalls.size() > 0) {
HandlerParams params = mPendingInstalls.get(0);
if (params != null) {
if (params.startCopy()) {
// We are done... look for more work or to
// go idle.
if (DEBUG_SD_INSTALL) Log.i(TAG,
"Checking for more work or unbind...");
// Delete pending install
if (mPendingInstalls.size() > 0) {
mPendingInstalls.remove(0);
}
if (mPendingInstalls.size() == 0) {
if (mBound) {
if (DEBUG_SD_INSTALL) Log.i(TAG,
"Posting delayed MCS_UNBIND");
removeMessages(MCS_UNBIND);
Message ubmsg = obtainMessage(MCS_UNBIND);
// Unbind after a little delay, to avoid
// continual thrashing.
sendMessageDelayed(ubmsg, 10000);
}
} else {
// There are more pending requests in queue.
// Just post MCS_BOUND message to trigger processing
// of next pending install.
if (DEBUG_SD_INSTALL) Log.i(TAG,
"Posting MCS_BOUND for next woek");
mHandler.sendEmptyMessage(MCS_BOUND);
}
}
}
} else {
// Should never happen ideally.
Slog.w(TAG, "Empty queue");
}
break;
}
case MCS_RECONNECT: {
if (DEBUG_INSTALL) Slog.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) {
// Indicate service bind error
params.serviceError();
}
mPendingInstalls.clear();
}
}
break;
}
case MCS_UNBIND: {
// If there is no actual work left, then time to unbind.
if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind");
if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) {
if (mBound) {
if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()");
disconnectService();
}
} else if (mPendingInstalls.size() > 0) {
// 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_INSTALL) Slog.i(TAG, "mcs_giveup too many retries");
mPendingInstalls.remove(0);
break;
}
case SEND_PENDING_BROADCAST: {
String packages[];
ArrayList<String> 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<Map.Entry<String, ArrayList<String>>>
it = mPendingBroadcasts.entrySet().iterator();
int i = 0;
while (it.hasNext() && i < size) {
Map.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.appId : -1;
i++;
}
size = i;
mPendingBroadcasts.clear();
}
// Send broadcasts
for (int i = 0; i < size; i++) {
sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]);
}
Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
break;
}
case START_CLEANING_PACKAGE: {
Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
final String packageName = (String)msg.obj;
final int userId = msg.arg1;
final boolean andCode = msg.arg2 != 0;
synchronized (mPackages) {
if (userId == UserHandle.USER_ALL) {
int[] users = sUserManager.getUserIds();
for (int user : users) {
mSettings.addPackageToCleanLPw(
new PackageCleanItem(user, packageName, andCode));
}
} else {
mSettings.addPackageToCleanLPw(
new PackageCleanItem(userId, packageName, andCode));
}
}
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, false);
Bundle extras = new Bundle(1);
extras.putInt(Intent.EXTRA_UID, res.uid);
// Determine the set of users who are adding this
// package for the first time vs. those who are seeing
// an update.
int[] firstUsers;
int[] updateUsers = new int[0];
if (res.origUsers == null || res.origUsers.length == 0) {
firstUsers = res.newUsers;
} else {
firstUsers = new int[0];
for (int i=0; i<res.newUsers.length; i++) {
int user = res.newUsers[i];
boolean isNew = true;
for (int j=0; j<res.origUsers.length; j++) {
if (res.origUsers[j] == user) {
isNew = false;
break;
}
}
if (isNew) {
int[] newFirst = new int[firstUsers.length+1];
System.arraycopy(firstUsers, 0, newFirst, 0,
firstUsers.length);
newFirst[firstUsers.length] = user;
firstUsers = newFirst;
} else {
int[] newUpdate = new int[updateUsers.length+1];
System.arraycopy(updateUsers, 0, newUpdate, 0,
updateUsers.length);
newUpdate[updateUsers.length] = user;
updateUsers = newUpdate;
}
}
}
sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,
res.pkg.applicationInfo.packageName,
extras, null, null, firstUsers);
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, null, updateUsers);
if (update) {
sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED,
res.pkg.applicationInfo.packageName,
extras, null, null, updateUsers);
sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED,
null, null,
res.pkg.applicationInfo.packageName, null, updateUsers);
}
if (res.removedInfo.args != null) {
// Remove the replaced package's older resources safely now
deleteOld = true;
}
// Log current value of "unknown sources" setting
EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED,
getUnknownSourcesSettings());
}
// 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) {
@SuppressWarnings("unchecked")
Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) 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);
removeMessages(WRITE_PACKAGE_RESTRICTIONS);
mSettings.writeLPr();
mDirtyUsers.clear();
}
Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
} break;
case WRITE_PACKAGE_RESTRICTIONS: {
Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
synchronized (mPackages) {
removeMessages(WRITE_PACKAGE_RESTRICTIONS);
for (int userId : mDirtyUsers) {
mSettings.writePackageRestrictionsLPr(userId);
}
mDirtyUsers.clear();
}
Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
} break;
case CHECK_PENDING_VERIFICATION: {
final int verificationId = msg.arg1;
final PackageVerificationState state = mPendingVerification.get(verificationId);
if ((state != null) && !state.timeoutExtended()) {
final InstallArgs args = state.getInstallArgs();
Slog.i(TAG, "Verification timed out for " + args.packageURI.toString());
mPendingVerification.remove(verificationId);
int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE;
if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) {
Slog.i(TAG, "Continuing with installation of "
+ args.packageURI.toString());
state.setVerifierResponse(Binder.getCallingUid(),
PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT);
broadcastPackageVerified(verificationId, args.packageURI,
PackageManager.VERIFICATION_ALLOW,
state.getInstallArgs().getUser());
try {
ret = args.copyApk(mContainerService, true);
} catch (RemoteException e) {
Slog.e(TAG, "Could not contact the ContainerService");
}
} else {
broadcastPackageVerified(verificationId, args.packageURI,
PackageManager.VERIFICATION_REJECT,
state.getInstallArgs().getUser());
}
processPendingInstall(args, ret);
mHandler.sendEmptyMessage(MCS_UNBIND);
}
break;
}
case PACKAGE_VERIFIED: {
final int verificationId = msg.arg1;
final PackageVerificationState state = mPendingVerification.get(verificationId);
if (state == null) {
Slog.w(TAG, "Invalid verification token " + verificationId + " received");
break;
}
final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj;
state.setVerifierResponse(response.callerUid, response.code);
if (state.isVerificationComplete()) {
mPendingVerification.remove(verificationId);
final InstallArgs args = state.getInstallArgs();
int ret;
if (state.isInstallAllowed()) {
ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
broadcastPackageVerified(verificationId, args.packageURI,
response.code, state.getInstallArgs().getUser());
try {
ret = args.copyApk(mContainerService, true);
} catch (RemoteException e) {
Slog.e(TAG, "Could not contact the ContainerService");
}
} else {
ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE;
}
processPendingInstall(args, ret);
mHandler.sendEmptyMessage(MCS_UNBIND);
}
break;
}
}
}
}
void scheduleWriteSettingsLocked() {
if (!mHandler.hasMessages(WRITE_SETTINGS)) {
mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY);
}
}
void scheduleWritePackageRestrictionsLocked(int userId) {
if (!sUserManager.exists(userId)) return;
mDirtyUsers.add(userId);
if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) {
mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY);
}
}
public static final IPackageManager main(Context context, Installer installer,
boolean factoryTest, boolean onlyCore) {
PackageManagerService m = new PackageManagerService(context, installer,
factoryTest, onlyCore);
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, Installer installer,
boolean factoryTest, boolean onlyCore) {
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;
mOnlyCore = onlyCore;
mNoDexOpt = "eng".equals(SystemProperties.get("ro.build.type"));
mMetrics = new DisplayMetrics();
mSettings = new Settings(context);
mSettings.addSharedUserLPw("android.uid.system",
Process.SYSTEM_UID, ApplicationInfo.FLAG_SYSTEM);
mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, ApplicationInfo.FLAG_SYSTEM);
mSettings.addSharedUserLPw("android.uid.log", LOG_UID, ApplicationInfo.FLAG_SYSTEM);
mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, ApplicationInfo.FLAG_SYSTEM);
mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_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;
}
mInstaller = installer;
WindowManager wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
Display d = wm.getDefaultDisplay();
d.getMetrics(mMetrics);
synchronized (mInstallLock) {
// writer
synchronized (mPackages) {
mHandlerThread.start();
mHandler = new PackageHandler(mHandlerThread.getLooper());
File dataDir = Environment.getDataDirectory();
mAppDataDir = new File(dataDir, "data");
mAppInstallDir = new File(dataDir, "app");
mAppLibInstallDir = new File(dataDir, "app-lib");
mAsecInternalPath = new File(dataDir, "app-asec").getPath();
mUserAppDataDir = new File(dataDir, "user");
mDrmAppPrivateInstallDir = new File(dataDir, "app-private");
sUserManager = new UserManagerService(context, this,
mInstallLock, mPackages);
readPermissions();
mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false),
mSdkVersion, mOnlyCore);
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 | SCAN_DEFER_DEX | SCAN_BOOTING;
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");
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, "Cannot dexopt " + paths[i] + "; is it an APK or JAR? "
+ e.getMessage());
}
}
} 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, "Cannot dexopt " + lib + "; is it an APK or JAR? "
+ e.getMessage());
}
}
}
// 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 (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands");
mInstaller.moveFiles();
// Prune any system packages that no longer exist.
final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>();
if (!mOnlyCore) {
Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator();
while (psit.hasNext()) {
PackageSetting ps = psit.next();
/*
* If this is not a system app, it can't be a
* disable system app.
*/
if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) {
continue;
}
/*
* If the package is scanned, it's not erased.
*/
final PackageParser.Package scannedPkg = mPackages.get(ps.name);
if (scannedPkg != null) {
/*
* If the system app is both scanned and in the
* disabled packages list, then it must have been
* added via OTA. Remove it from the currently
* scanned package so the previously user-installed
* application can be scanned.
*/
if (mSettings.isDisabledSystemPackageLPr(ps.name)) {
Slog.i(TAG, "Expecting better updatd system app for " + ps.name
+ "; removing system app");
removePackageLI(ps, true);
}
continue;
}
if (!mSettings.isDisabledSystemPackageLPr(ps.name)) {
psit.remove();
String msg = "System package " + ps.name
+ " no longer exists; wiping its data";
reportSettingsProblem(Log.WARN, msg);
removeDataDirsLI(ps.name);
} else {
final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name);
if (disabledPs.codePath == null || !disabledPs.codePath.exists()) {
possiblyDeletedUpdatedSystemApps.add(ps.name);
}
}
}
}
//look for any incomplete package installations
ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr();
//clean up list
for(int i = 0; i < deletePkgsList.size(); i++) {
//clean up here
cleanupInstallFailedPackage(deletePkgsList.get(i));
}
//delete tmp files
deleteTempPackageFiles();
if (!mOnlyCore) {
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);
/**
* Remove disable package settings for any updated system
* apps that were removed via an OTA. If they're not a
* previously-updated app, remove them completely.
* Otherwise, just revoke their system-level permissions.
*/
for (String deletedAppName : possiblyDeletedUpdatedSystemApps) {
PackageParser.Package deletedPkg = mPackages.get(deletedAppName);
mSettings.removeDisabledSystemPackageLPw(deletedAppName);
String msg;
if (deletedPkg == null) {
msg = "Updated system package " + deletedAppName
+ " no longer exists; wiping its data";
removeDataDirsLI(deletedAppName);
} else {
msg = "Updated system app + " + deletedAppName
+ " no longer present; removing system privileges for "
+ deletedAppName;
deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM;
PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName);
deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM;
}
reportSettingsProblem(Log.WARN, msg);
}
} else {
mAppInstallObserver = null;
mDrmAppInstallObserver = null;
}
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;
updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL
| (regrantPermissions
? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL)
: 0));
// can downgrade to reader
mSettings.writeLPr();
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();
mRequiredVerifierPackage = getRequiredVerifierLPr();
} // synchronized (mPackages)
} // synchronized (mInstallLock)
}
public boolean isFirstBoot() {
return !mRestoredSettings;
}
public boolean isOnlyCoreApps() {
return mOnlyCore;
}
private String getRequiredVerifierLPr() {
final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION);
final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE,
PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */);
String requiredVerifier = null;
final int N = receivers.size();
for (int i = 0; i < N; i++) {
final ResolveInfo info = receivers.get(i);
if (info.activityInfo == null) {
continue;
}
final String packageName = info.activityInfo.packageName;
final PackageSetting ps = mSettings.mPackages.get(packageName);
if (ps == null) {
continue;
}
if (!ps.grantedPermissions
.contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) {
continue;
}
if (requiredVerifier != null) {
throw new RuntimeException("There can be only one required verifier");
}
requiredVerifier = packageName;
}
return requiredVerifier;
}
@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);
removeDataDirsLI(ps.name);
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.removePackageLPw(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;
}
}
permReader.close();
} 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[] 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[] 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, int userId) {
if (!sUserManager.exists(userId)) return null;
PackageInfo pi;
final PackageSetting ps = (PackageSetting) p.mExtras;
if (ps == null) {
return null;
}
final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps;
final PackageUserState state = ps.readUserState(userId);
pi = PackageParser.generatePackageInfo(p, gp.gids, flags,
ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions,
state, userId);
if (pi != null) {
pi.applicationInfo.enabledSetting = state.enabled;
pi.applicationInfo.enabled =
pi.applicationInfo.enabledSetting == COMPONENT_ENABLED_STATE_DEFAULT
|| pi.applicationInfo.enabledSetting == COMPONENT_ENABLED_STATE_ENABLED;
}
return pi;
}
@Override
public PackageInfo getPackageInfo(String packageName, int flags, int userId) {
if (!sUserManager.exists(userId)) return null;
enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package info");
// reader
synchronized (mPackages) {
PackageParser.Package p = mPackages.get(packageName);
if (DEBUG_PACKAGE_INFO)
Log.v(TAG, "getPackageInfo " + packageName + ": " + p);
if (p != null) {
return generatePackageInfo(p, flags, userId);
}
if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) {
return generatePackageInfoFromSettingsLPw(packageName, flags, userId);
}
}
return null;
}
public String[] currentToCanonicalPackageNames(String[] names) {
String[] out = new String[names.length];
// reader
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];
// reader
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;
}
@Override
public int getPackageUid(String packageName, int userId) {
if (!sUserManager.exists(userId)) return -1;
enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get package uid");
// reader
synchronized (mPackages) {
PackageParser.Package p = mPackages.get(packageName);
if(p != null) {
return UserHandle.getUid(userId, 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 ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1;
}
}
public int[] getPackageGids(String packageName) {
final boolean enforcedDefault = isPermissionEnforcedDefault(READ_EXTERNAL_STORAGE);
// reader
synchronized (mPackages) {
PackageParser.Package p = mPackages.get(packageName);
if (DEBUG_PACKAGE_INFO)
Log.v(TAG, "getPackageGids" + packageName + ": " + p);
if (p != null) {
final PackageSetting ps = (PackageSetting)p.mExtras;
final SharedUserSetting suid = ps.sharedUser;
int[] gids = suid != null ? suid.gids : ps.gids;
// include GIDs for any unenforced permissions
if (!isPermissionEnforcedLocked(READ_EXTERNAL_STORAGE, enforcedDefault)) {
final BasePermission basePerm = mSettings.mPermissions.get(
READ_EXTERNAL_STORAGE);
gids = appendInts(gids, basePerm.gids);
}
return 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) {
// reader
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) {
// reader
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) {
// reader
synchronized (mPackages) {
return PackageParser.generatePermissionGroupInfo(
mPermissionGroups.get(name), flags);
}
}
public List<PermissionGroupInfo> getAllPermissionGroups(int flags) {
// reader
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 generateApplicationInfoFromSettingsLPw(String packageName, int flags,
int userId) {
if (!sUserManager.exists(userId)) return null;
PackageSetting ps = mSettings.mPackages.get(packageName);
if (ps != null) {
if (ps.pkg == null) {
PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName,
flags, userId);
if (pInfo != null) {
return pInfo.applicationInfo;
}
return null;
}
return PackageParser.generateApplicationInfo(ps.pkg, flags,
ps.readUserState(userId), userId);
}
return null;
}
private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags,
int userId) {
if (!sUserManager.exists(userId)) return null;
PackageSetting ps = mSettings.mPackages.get(packageName);
if (ps != null) {
PackageParser.Package pkg = ps.pkg;
if (pkg == null) {
if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) {
return null;
}
pkg = new PackageParser.Package(packageName);
pkg.applicationInfo.packageName = packageName;
pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY;
pkg.applicationInfo.publicSourceDir = ps.resourcePathString;
pkg.applicationInfo.sourceDir = ps.codePathString;
pkg.applicationInfo.dataDir =
getDataPathForPackage(packageName, 0).getPath();
pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString;
}
// pkg.mSetEnabled = ps.getEnabled(userId);
// pkg.mSetStopped = ps.getStopped(userId);
return generatePackageInfo(pkg, flags, userId);
}
return null;
}
@Override
public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) {
if (!sUserManager.exists(userId)) return null;
enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get application info");
// writer
synchronized (mPackages) {
PackageParser.Package p = mPackages.get(packageName);
if (DEBUG_PACKAGE_INFO) Log.v(
TAG, "getApplicationInfo " + packageName
+ ": " + p);
if (p != null) {
PackageSetting ps = mSettings.mPackages.get(packageName);
if (ps == null) return null;
// Note: isEnabledLP() does not apply here - always return info
return PackageParser.generateApplicationInfo(
p, flags, ps.readUserState(userId), userId);
}
if ("android".equals(packageName)||"system".equals(packageName)) {
return mAndroidApplication;
}
if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) {
return generateApplicationInfoFromSettingsLPw(packageName, flags, userId);
}
}
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;
synchronized (mInstallLock) {
retCode = mInstaller.freeCache(freeStorageSize);
if (retCode < 0) {
Slog.w(TAG, "Couldn't clear application caches");
}
}
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;
synchronized (mInstallLock) {
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");
}
}
}
});
}
@Override
public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) {
if (!sUserManager.exists(userId)) return null;
enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get activity info");
synchronized (mPackages) {
PackageParser.Activity a = mActivities.mActivities.get(component);
if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a);
if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) {
PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
if (ps == null) return null;
return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId),
userId);
}
if (mResolveComponentName.equals(component)) {
return mResolveActivity;
}
}
return null;
}
@Override
public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) {
if (!sUserManager.exists(userId)) return null;
enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get receiver info");
synchronized (mPackages) {
PackageParser.Activity a = mReceivers.mActivities.get(component);
if (DEBUG_PACKAGE_INFO) Log.v(
TAG, "getReceiverInfo " + component + ": " + a);
if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) {
PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
if (ps == null) return null;
return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId),
userId);
}
}
return null;
}
@Override
public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) {
if (!sUserManager.exists(userId)) return null;
enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get service info");
synchronized (mPackages) {
PackageParser.Service s = mServices.mServices.get(component);
if (DEBUG_PACKAGE_INFO) Log.v(
TAG, "getServiceInfo " + component + ": " + s);
if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) {
PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
if (ps == null) return null;
return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId),
userId);
}
}
return null;
}
@Override
public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) {
if (!sUserManager.exists(userId)) return null;
enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "get provider info");
synchronized (mPackages) {
PackageParser.Provider p = mProvidersByComponent.get(component);
if (DEBUG_PACKAGE_INFO) Log.v(
TAG, "getProviderInfo " + component + ": " + p);
if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) {
PackageSetting ps = mSettings.mPackages.get(component.getPackageName());
if (ps == null) return null;
return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId),
userId);
}
}
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);
}
}
private void checkValidCaller(int uid, int userId) {
if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0)
return;
throw new SecurityException("Caller uid=" + uid
+ " is not privileged to communicate with user=" + userId);
}
public int checkPermission(String permName, String pkgName) {
final boolean enforcedDefault = isPermissionEnforcedDefault(permName);
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;
}
}
if (!isPermissionEnforcedLocked(permName, enforcedDefault)) {
return PackageManager.PERMISSION_GRANTED;
}
}
return PackageManager.PERMISSION_DENIED;
}
public int checkUidPermission(String permName, int uid) {
final boolean enforcedDefault = isPermissionEnforcedDefault(permName);
synchronized (mPackages) {
Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(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;
}
}
if (!isPermissionEnforcedLocked(permName, enforcedDefault)) {
return PackageManager.PERMISSION_GRANTED;
}
}
return PackageManager.PERMISSION_DENIED;
}
/**
* Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS
* or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller.
* @param message the message to log on security exception
* @return
*/
private void enforceCrossUserPermission(int callingUid, int userId,
boolean requireFullPermission, String message) {
if (userId < 0) {
throw new IllegalArgumentException("Invalid userId " + userId);
}
if (userId == UserHandle.getUserId(callingUid)) return;
if (callingUid != Process.SYSTEM_UID && callingUid != 0) {
if (requireFullPermission) {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message);
} else {
try {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message);
} catch (SecurityException se) {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.INTERACT_ACROSS_USERS, message);
}
}
}
}
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 == UserHandle.getAppId(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;
int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel);
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 == fixedLevel
&& bp.perm.owner.equals(tree.perm.owner)
&& bp.uid == tree.uid
&& comparePermissionInfos(bp.perm.info, info)) {
changed = false;
}
}
bp.protectionLevel = fixedLevel;
info = new PermissionInfo(info);
info.protectionLevel = fixedLevel;
bp.perm = new PackageParser.Permission(tree.perm.owner, 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.writeLPr();
} 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.writeLPr();
}
}
}
public void grantPermission(String packageName, String permissionName) {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null);
synchronized (mPackages) {
final PackageParser.Package pkg = mPackages.get(packageName);
if (pkg == null) {
throw new IllegalArgumentException("Unknown package: " + packageName);
}
final BasePermission bp = mSettings.mPermissions.get(permissionName);
if (bp == null) {
throw new IllegalArgumentException("Unknown permission: " + packageName);
}
if (!pkg.requestedPermissions.contains(permissionName)) {
throw new SecurityException("Package " + packageName
+ " has not requested permission " + permissionName);
}
if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) == 0) {
throw new SecurityException("Permission " + permissionName
+ " is not a development permission");
}
final PackageSetting ps = (PackageSetting) pkg.mExtras;
if (ps == null) {
return;
}
final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps;
if (gp.grantedPermissions.add(permissionName)) {
if (ps.haveGids) {
gp.gids = appendInts(gp.gids, bp.gids);
}
mSettings.writeLPr();
}
}
}
public void revokePermission(String packageName, String permissionName) {
synchronized (mPackages) {
final PackageParser.Package pkg = mPackages.get(packageName);
if (pkg == null) {
throw new IllegalArgumentException("Unknown package: " + packageName);
}
if (pkg.applicationInfo.uid != Binder.getCallingUid()) {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null);
}
final BasePermission bp = mSettings.mPermissions.get(permissionName);
if (bp == null) {
throw new IllegalArgumentException("Unknown permission: " + packageName);
}
if (!pkg.requestedPermissions.contains(permissionName)) {
throw new SecurityException("Package " + packageName
+ " has not requested permission " + permissionName);
}
if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) == 0) {
throw new SecurityException("Permission " + permissionName
+ " is not a development permission");
}
final PackageSetting ps = (PackageSetting) pkg.mExtras;
if (ps == null) {
return;
}
final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps;
if (gp.grantedPermissions.remove(permissionName)) {
gp.grantedPermissions.remove(permissionName);
if (ps.haveGids) {
gp.gids = removeInts(gp.gids, bp.gids);
}
mSettings.writeLPr();
}
}
}
public boolean isProtectedBroadcast(String actionName) {
synchronized (mPackages) {
return mProtectedBroadcasts.contains(actionName);
}
}
public int checkSignatures(String pkg1, String pkg2) {
synchronized (mPackages) {
final PackageParser.Package p1 = mPackages.get(pkg1);
final PackageParser.Package p2 = mPackages.get(pkg2);
if (p1 == null || p1.mExtras == null
|| p2 == null || p2.mExtras == null) {
return PackageManager.SIGNATURE_UNKNOWN_PACKAGE;
}
return compareSignatures(p1.mSignatures, p2.mSignatures);
}
}
public int checkUidSignatures(int uid1, int uid2) {
// Map to base uids.
uid1 = UserHandle.getAppId(uid1);
uid2 = UserHandle.getAppId(uid2);
// reader
synchronized (mPackages) {
Signature[] s1;
Signature[] s2;
Object obj = mSettings.getUserIdLPr(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.getUserIdLPr(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 compareSignatures(s1, s2);
}
}
static int compareSignatures(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) {
uid = UserHandle.getAppId(uid);
// reader
synchronized (mPackages) {
Object obj = mSettings.getUserIdLPr(uid);
if (obj instanceof SharedUserSetting) {
final SharedUserSetting sus = (SharedUserSetting) obj;
final int N = sus.packages.size();
final String[] res = new String[N];
final Iterator<PackageSetting> it = sus.packages.iterator();
int i = 0;
while (it.hasNext()) {
res[i++] = it.next().name;
}
return res;
} else if (obj instanceof PackageSetting) {
final PackageSetting ps = (PackageSetting) obj;
return new String[] { ps.name };
}
}
return null;
}
public String getNameForUid(int uid) {
// reader
synchronized (mPackages) {
Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
if (obj instanceof SharedUserSetting) {
final SharedUserSetting sus = (SharedUserSetting) obj;
return sus.name + ":" + sus.userId;
} else if (obj instanceof PackageSetting) {
final PackageSetting ps = (PackageSetting) obj;
return ps.name;
}
}
return null;
}
public int getUidForSharedUser(String sharedUserName) {
if(sharedUserName == null) {
return -1;
}
// reader
synchronized (mPackages) {
final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false);
if (suid == null) {
return -1;
}
return suid.userId;
}
}
@Override
public ResolveInfo resolveIntent(Intent intent, String resolvedType,
int flags, int userId) {
if (!sUserManager.exists(userId)) return null;
enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "resolve intent");
List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId);
return chooseBestActivity(intent, resolvedType, flags, query, userId);
}
private ResolveInfo chooseBestActivity(Intent intent, String resolvedType,
int flags, List<ResolveInfo> query, int userId) {
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 (DEBUG_INTENT_MATCHING) {
Log.d(TAG, 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, userId);
if (ri != null) {
return ri;
}
if (userId != 0) {
ri = new ResolveInfo(mResolveInfo);
ri.activityInfo = new ActivityInfo(ri.activityInfo);
ri.activityInfo.applicationInfo = new ApplicationInfo(
ri.activityInfo.applicationInfo);
ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId,
UserHandle.getAppId(ri.activityInfo.applicationInfo.uid));
return ri;
}
return mResolveInfo;
}
}
return null;
}
ResolveInfo findPreferredActivity(Intent intent, String resolvedType,
int flags, List<ResolveInfo> query, int priority, int userId) {
if (!sUserManager.exists(userId)) return null;
// writer
synchronized (mPackages) {
if (intent.getSelector() != null) {
intent = intent.getSelector();
}
if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION);
PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId);
List<PreferredActivity> prefs = pir != null
? pir.queryIntent(intent, resolvedType,
(flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId)
: null;
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;
if (DEBUG_PREFERRED) {
Log.v(TAG, "Figuring out best match...");
}
final int N = query.size();
for (int j=0; j<N; j++) {
final 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++) {
final PreferredActivity pa = prefs.get(i);
if (pa.mPref.mMatch != match) {
continue;
}
final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent,
flags | PackageManager.GET_DISABLED_COMPONENTS, userId);
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) {
// This previously registered preferred activity
// component is no longer known. Most likely an update
// to the app was installed and in the new version this
// component no longer exists. Clean it up by removing
// it from the preferred activities list, and skip it.
Slog.w(TAG, "Removing dangling preferred activity: "
+ pa.mPref.mComponent);
pir.removeFilter(pa);
continue;
}
for (int j=0; j<N; j++) {
final 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.mPref.sameSet(query, priority)) {
Slog.i(TAG, "Result set changed, dropping preferred activity for "
+ intent + " type " + resolvedType);
pir.removeFilter(pa);
return null;
}
// Yay!
return ri;
}
}
}
}
return null;
}
@Override
public List<ResolveInfo> queryIntentActivities(Intent intent,
String resolvedType, int flags, int userId) {
if (!sUserManager.exists(userId)) return Collections.emptyList();
enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "query intent activities");
ComponentName comp = intent.getComponent();
if (comp == null) {
if (intent.getSelector() != null) {
intent = intent.getSelector();
comp = intent.getComponent();
}
}
if (comp != null) {
final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
final ActivityInfo ai = getActivityInfo(comp, flags, userId);
if (ai != null) {
final ResolveInfo ri = new ResolveInfo();
ri.activityInfo = ai;
list.add(ri);
}
return list;
}
// reader
synchronized (mPackages) {
final String pkgName = intent.getPackage();
if (pkgName == null) {
return mActivities.queryIntent(intent, resolvedType, flags, userId);
}
final PackageParser.Package pkg = mPackages.get(pkgName);
if (pkg != null) {
return mActivities.queryIntentForPackage(intent, resolvedType, flags,
pkg.activities, userId);
}
return new ArrayList<ResolveInfo>();
}
}
@Override
public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller,
Intent[] specifics, String[] specificTypes, Intent intent,
String resolvedType, int flags, int userId) {
if (!sUserManager.exists(userId)) return Collections.emptyList();
enforceCrossUserPermission(Binder.getCallingUid(), userId, false,
"query intent activity options");
final String resultsAction = intent.getAction();
List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags
| PackageManager.GET_RESOLVED_FILTER, userId);
if (DEBUG_INTENT_MATCHING) {
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 (DEBUG_INTENT_MATCHING) {
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;
}
ResolveInfo ri = null;
ActivityInfo ai = null;
ComponentName comp = sintent.getComponent();
if (comp == null) {
ri = resolveIntent(
sintent,
specificTypes != null ? specificTypes[i] : null,
flags, userId);
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, userId);
if (ai == null) {
continue;
}
}
// Look for any generic query activities that are duplicates
// of this specific one, and remove them from the results.
if (DEBUG_INTENT_MATCHING) 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 (DEBUG_INTENT_MATCHING) 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 (DEBUG_INTENT_MATCHING) 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 (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results);
return results;
}
@Override
public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags,
int userId) {
if (!sUserManager.exists(userId)) return Collections.emptyList();
ComponentName comp = intent.getComponent();
if (comp == null) {
if (intent.getSelector() != null) {
intent = intent.getSelector();
comp = intent.getComponent();
}
}
if (comp != null) {
List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
ActivityInfo ai = getReceiverInfo(comp, flags, userId);
if (ai != null) {
ResolveInfo ri = new ResolveInfo();
ri.activityInfo = ai;
list.add(ri);
}
return list;
}
// reader
synchronized (mPackages) {
String pkgName = intent.getPackage();
if (pkgName == null) {
return mReceivers.queryIntent(intent, resolvedType, flags, userId);
}
final PackageParser.Package pkg = mPackages.get(pkgName);
if (pkg != null) {
return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers,
userId);
}
return null;
}
}
@Override
public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) {
List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId);
if (!sUserManager.exists(userId)) return null;
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;
}
@Override
public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags,
int userId) {
if (!sUserManager.exists(userId)) return Collections.emptyList();
ComponentName comp = intent.getComponent();
if (comp == null) {
if (intent.getSelector() != null) {
intent = intent.getSelector();
comp = intent.getComponent();
}
}
if (comp != null) {
final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1);
final ServiceInfo si = getServiceInfo(comp, flags, userId);
if (si != null) {
final ResolveInfo ri = new ResolveInfo();
ri.serviceInfo = si;
list.add(ri);
}
return list;
}
// reader
synchronized (mPackages) {
String pkgName = intent.getPackage();
if (pkgName == null) {
return mServices.queryIntent(intent, resolvedType, flags, userId);
}
final PackageParser.Package pkg = mPackages.get(pkgName);
if (pkg != null) {
return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services,
userId);
}
return null;
}
}
private static final int getContinuationPoint(final String[] keys, final String key) {
final int index;
if (key == null) {
index = 0;
} else {
final int insertPoint = Arrays.binarySearch(keys, key);
if (insertPoint < 0) {
index = -insertPoint;
} else {
index = insertPoint + 1;
}
}
return index;
}
@Override
public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, String lastRead,
int userId) {
final ParceledListSlice<PackageInfo> list = new ParceledListSlice<PackageInfo>();
final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
final String[] keys;
enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "get installed packages");
// writer
synchronized (mPackages) {
if (listUninstalled) {
keys = mSettings.mPackages.keySet().toArray(new String[mSettings.mPackages.size()]);
} else {
keys = mPackages.keySet().toArray(new String[mPackages.size()]);
}
Arrays.sort(keys);
int i = getContinuationPoint(keys, lastRead);
final int N = keys.length;
while (i < N) {
final String packageName = keys[i++];
PackageInfo pi = null;
if (listUninstalled) {
final PackageSetting ps = mSettings.mPackages.get(packageName);
if (ps != null) {
pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId);
}
} else {
final PackageParser.Package p = mPackages.get(packageName);
if (p != null) {
pi = generatePackageInfo(p, flags, userId);
}
}
if (pi != null && list.append(pi)) {
break;
}
}
if (i == N) {
list.setLastSlice(true);
}
}
return list;
}
@Override
public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags,
String lastRead, int userId) {
if (!sUserManager.exists(userId)) return null;
final ParceledListSlice<ApplicationInfo> list = new ParceledListSlice<ApplicationInfo>();
final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
final String[] keys;
// writer
synchronized (mPackages) {
if (listUninstalled) {
keys = mSettings.mPackages.keySet().toArray(new String[mSettings.mPackages.size()]);
} else {
keys = mPackages.keySet().toArray(new String[mPackages.size()]);
}
Arrays.sort(keys);
int i = getContinuationPoint(keys, lastRead);
final int N = keys.length;
while (i < N) {
final String packageName = keys[i++];
ApplicationInfo ai = null;
final PackageSetting ps = mSettings.mPackages.get(packageName);
if (listUninstalled) {
if (ps != null) {
ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId);
}
} else {
final PackageParser.Package p = mPackages.get(packageName);
if (p != null && ps != null) {
ai = PackageParser.generateApplicationInfo(p, flags,
ps.readUserState(userId), userId);
}
}
if (ai != null && list.append(ai)) {
break;
}
}
if (i == N) {
list.setLastSlice(true);
}
}
return list;
}
public List<ApplicationInfo> getPersistentApplications(int flags) {
final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>();
// reader
synchronized (mPackages) {
final Iterator<PackageParser.Package> i = mPackages.values().iterator();
final int userId = UserHandle.getCallingUserId();
while (i.hasNext()) {
final PackageParser.Package p = i.next();
if (p.applicationInfo != null
&& (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0
&& (!mSafeMode || isSystemApp(p))) {
PackageSetting ps = mSettings.mPackages.get(p.packageName);
if (ps != null) {
ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags,
ps.readUserState(userId), userId);
if (ai != null) {
finalList.add(ai);
}
}
}
}
}
return finalList;
}
@Override
public ProviderInfo resolveContentProvider(String name, int flags, int userId) {
if (!sUserManager.exists(userId)) return null;
// reader
synchronized (mPackages) {
final PackageParser.Provider provider = mProviders.get(name);
PackageSetting ps = provider != null
? mSettings.mPackages.get(provider.owner.packageName)
: null;
return ps != null
&& mSettings.isEnabledLPr(provider.info, flags, userId)
&& (!mSafeMode || (provider.info.applicationInfo.flags
&ApplicationInfo.FLAG_SYSTEM) != 0)
? PackageParser.generateProviderInfo(provider, flags,
ps.readUserState(userId), userId)
: null;
}
}
/**
* @deprecated
*/
@Deprecated
public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) {
// reader
synchronized (mPackages) {
final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProviders.entrySet()
.iterator();
final int userId = UserHandle.getCallingUserId();
while (i.hasNext()) {
Map.Entry<String, PackageParser.Provider> entry = i.next();
PackageParser.Provider p = entry.getValue();
PackageSetting ps = mSettings.mPackages.get(p.owner.packageName);
if (ps != null && p.syncable
&& (!mSafeMode || (p.info.applicationInfo.flags
&ApplicationInfo.FLAG_SYSTEM) != 0)) {
ProviderInfo info = PackageParser.generateProviderInfo(p, 0,
ps.readUserState(userId), userId);
if (info != null) {
outNames.add(entry.getKey());
outInfo.add(info);
}
}
}
}
}
public List<ProviderInfo> queryContentProviders(String processName,
int uid, int flags) {
ArrayList<ProviderInfo> finalList = null;
// reader
synchronized (mPackages) {
final Iterator<PackageParser.Provider> i = mProvidersByComponent.values().iterator();
final int userId = processName != null ?
UserHandle.getUserId(uid) : UserHandle.getCallingUserId();
while (i.hasNext()) {
final PackageParser.Provider p = i.next();
PackageSetting ps = mSettings.mPackages.get(p.owner.packageName);
if (ps != null && p.info.authority != null
&& (processName == null
|| (p.info.processName.equals(processName)
&& UserHandle.isSameApp(p.info.applicationInfo.uid, uid)))
&& mSettings.isEnabledLPr(p.info, flags, userId)
&& (!mSafeMode
|| (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) {
if (finalList == null) {
finalList = new ArrayList<ProviderInfo>(3);
}
ProviderInfo info = PackageParser.generateProviderInfo(p, flags,
ps.readUserState(userId), userId);
if (info != null) {
finalList.add(info);
}
}
}
}
if (finalList != null) {
Collections.sort(finalList, mProviderInitOrderSorter);
}
return finalList;
}
public InstrumentationInfo getInstrumentationInfo(ComponentName name,
int flags) {
// reader
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>();
// reader
synchronized (mPackages) {
final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator();
while (i.hasNext()) {
final PackageParser.Instrumentation p = i.next();
if (targetPackage == null
|| targetPackage.equals(p.info.targetPackage)) {
InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p,
flags);
if (ii != null) {
finalList.add(ii);
}
}
}
}
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 (DEBUG_PACKAGE_SCANNING) {
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, null);
// 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;
}
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, UserHandle user) {
mLastScanError = PackageManager.INSTALL_SUCCEEDED;
String scanPath = scanFile.getPath();
parseFlags |= mDefParseFlags;
PackageParser pp = new PackageParser(scanPath);
pp.setSeparateProcesses(mSeparateProcesses);
pp.setOnlyCoreApps(mOnlyCore);
final PackageParser.Package pkg = pp.parsePackage(scanFile,
scanPath, mMetrics, parseFlags);
if (pkg == null) {
mLastScanError = pp.getParseError();
return null;
}
PackageSetting ps = null;
PackageSetting updatedPkg;
// reader
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.peekPackageLPr(oldName);
}
// If there was no original package, see one for the real package name.
if (ps == null) {
ps = mSettings.peekPackageLPr(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.getDisabledSystemPkgLPr(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
// writer
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 = createInstallArgs(packageFlagsToInstallFlags(ps),
ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString);
synchronized (mInstallLock) {
args.cleanUpResourcesLI();
}
synchronized (mPackages) {
mSettings.enableSystemPackageLPw(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;
}
/*
* A new system app appeared, but we already had a non-system one of the
* same name installed earlier.
*/
boolean shouldHideSystemApp = false;
if (updatedPkg == null && ps != null
&& (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) {
/*
* Check to make sure the signatures match first. If they don't,
* wipe the installed application and its data.
*/
if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures)
!= PackageManager.SIGNATURE_MATCH) {
deletePackageLI(pkg.packageName, null, true, 0, null, false);
ps = null;
} else {
/*
* If the newly-added system app is an older version than the
* already installed version, hide it. It will be scanned later
* and re-added like an update.
*/
if (pkg.mVersionCode < ps.versionCode) {
shouldHideSystemApp = true;
} else {
/*
* The newly found system app is a newer version that the
* one previously installed. Simply remove the
* already-installed application and replace it with our own
* while keeping the application data.
*/
Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from "
+ ps.codePathString + ": new version " + pkg.mVersionCode
+ " better than installed " + ps.versionCode);
InstallArgs args = createInstallArgs(packageFlagsToInstallFlags(ps),
ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString);
synchronized (mInstallLock) {
args.cleanUpResourcesLI();
}
}
}
}
// 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
PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanMode
| SCAN_UPDATE_SIGNATURE, currentTime, user);
/*
* If the system app should be overridden by a previously installed
* data, hide the system app now and let the /data/app scan pick it up
* again.
*/
if (shouldHideSystemApp) {
synchronized (mPackages) {
/*
* We have to grant systems permissions before we hide, because
* grantPermissions will assume the package update is trying to
* expand its permissions.
*/
grantPermissionsLPw(pkg, true);
mSettings.disableSystemPackageLPw(pkg.packageName);
}
}
return scannedPkg;
}
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 (compareSignatures(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 (compareSignatures(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;
}
/**
* Enforces that only the system UID or root's UID can call a method exposed
* via Binder.
*
* @param message used as message if SecurityException is thrown
* @throws SecurityException if the caller is not system or root
*/
private static final void enforceSystemOrRoot(String message) {
final int uid = Binder.getCallingUid();
if (uid != Process.SYSTEM_UID && uid != 0) {
throw new SecurityException(message);
}
}
public void performBootDexOpt() {
ArrayList<PackageParser.Package> pkgs = null;
synchronized (mPackages) {
if (mDeferredDexOpt.size() > 0) {
pkgs = new ArrayList<PackageParser.Package>(mDeferredDexOpt);
mDeferredDexOpt.clear();
}
}
if (pkgs != null) {
for (int i=0; i<pkgs.size(); i++) {
if (!isFirstBoot()) {
try {
ActivityManagerNative.getDefault().showBootMessage(
mContext.getResources().getString(
com.android.internal.R.string.android_upgrading_apk,
i+1, pkgs.size()), true);
} catch (RemoteException e) {
}
}
PackageParser.Package p = pkgs.get(i);
synchronized (mInstallLock) {
if (!p.mDidDexOpt) {
performDexOptLI(p, false, false);
}
}
}
}
}
public boolean performDexOpt(String packageName) {
enforceSystemOrRoot("Only the system can request dexopt be performed");
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, false) == DEX_OPT_PERFORMED;
}
}
static final int DEX_OPT_SKIPPED = 0;
static final int DEX_OPT_PERFORMED = 1;
static final int DEX_OPT_DEFERRED = 2;
static final int DEX_OPT_FAILED = -1;
private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer) {
boolean performed = false;
if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) {
String path = pkg.mScanPath;
int ret = 0;
try {
if (forceDex || dalvik.system.DexFile.isDexOptNeeded(path)) {
if (!forceDex && defer) {
mDeferredDexOpt.add(pkg);
return DEX_OPT_DEFERRED;
} else {
Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName);
final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid);
ret = mInstaller.dexopt(path, sharedGid, !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 boolean verifyPackageUpdateLPr(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;
}
File getDataPathForUser(int userId) {
return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId);
}
private File getDataPathForPackage(String packageName, int userId) {
/*
* Until we fully support multiple users, return the directory we
* previously would have. The PackageManagerTests will need to be
* revised when this is changed back..
*/
if (userId == 0) {
return new File(mAppDataDir, packageName);
} else {
return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId
+ File.separator + packageName);
}
}
private int createDataDirsLI(String packageName, int uid) {
int[] users = sUserManager.getUserIds();
int res = mInstaller.install(packageName, uid, uid);
if (res < 0) {
return res;
}
for (int user : users) {
if (user != 0) {
res = mInstaller.createUserData(packageName,
UserHandle.getUid(user, uid), user);
if (res < 0) {
return res;
}
}
}
return res;
}
private int removeDataDirsLI(String packageName) {
int[] users = sUserManager.getUserIds();
int res = 0;
for (int user : users) {
int resInner = mInstaller.remove(packageName, user);
if (resInner < 0) {
res = resInner;
}
}
final File nativeLibraryFile = new File(mAppLibInstallDir, packageName);
NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile);
if (!nativeLibraryFile.delete()) {
Slog.w(TAG, "Couldn't delete native library directory " + nativeLibraryFile.getPath());
}
return res;
}
private PackageParser.Package scanPackageLI(PackageParser.Package pkg,
int parseFlags, int scanMode, long currentTime, UserHandle user) {
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 ((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 = "system:ui";
mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE;
mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS;
mResolveActivity.theme = com.android.internal.R.style.Theme_Holo_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 (DEBUG_PACKAGE_SCANNING) {
if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
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;
}
// writer
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++) {
final 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++) {
final 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.getSharedUserLPw(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 (DEBUG_PACKAGE_SCANNING) {
if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId
+ "): packages=" + suid.packages);
}
}
// 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...
final 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.peekPackageLPr(
pkg.mOriginalPackages.get(i))) != null) {
// We do have the package already installed under its
// original name... should we use it?
if (!verifyPackageUpdateLPr(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.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile,
destResourceFile, pkg.applicationInfo.nativeLibraryDir,
pkg.applicationInfo.flags, user, 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.isDisabledSystemPackageLPr(pkg.packageName)) {
pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP;
}
pkg.applicationInfo.uid = pkgSetting.appId;
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 (compareSignatures(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) {
final 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;
}
}
}
}
}
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--) {
final String origName = pkg.mAdoptPermissions.get(i);
final PackageSetting orig = mSettings.peekPackageLPr(origName);
if (orig != null) {
if (verifyPackageUpdateLPr(orig, pkg)) {
Slog.i(TAG, "Adopting permissions from " + origName + " to "
+ pkg.packageName);
mSettings.transferPermissionsLPw(origName, pkg.packageName);
}
}
}
}
}
final String pkgName = pkg.packageName;
final long scanFileTime = scanFile.lastModified();
final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0;
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.
dataPath = getDataPathForPackage(pkg.packageName, 0);
boolean uidError = false;
if (dataPath.exists()) {
int currentUid = 0;
try {
StructStat stat = Libcore.os.stat(dataPath.getPath());
currentUid = stat.st_uid;
} catch (ErrnoException e) {
Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e);
}
// If we have mismatched owners for the data path, we have a problem.
if (currentUid != pkg.applicationInfo.uid) {
boolean recovered = false;
if (currentUid == 0) {
// The directory somehow became owned by root. Wow.
// This is probably because the system was stopped while
// installd was in the middle of messing with its libs
// directory. Ask installd to fix that.
int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid,
pkg.applicationInfo.uid);
if (ret >= 0) {
recovered = true;
String msg = "Package " + pkg.packageName
+ " unexpectedly changed to uid 0; recovered to " +
+ pkg.applicationInfo.uid;
reportSettingsProblem(Log.WARN, msg);
}
}
if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0
|| (scanMode&SCAN_BOOTING) != 0)) {
// If this is a system app, we can at least delete its
// current data so the application will still work.
int ret = removeDataDirsLI(pkgName);
if (ret >= 0) {
// TODO: Kill the processes first
// Old data gone!
String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0
? "System package " : "Third party package ";
String msg = prefix + pkg.packageName
+ " has changed from uid: "
+ currentUid + " to "
+ pkg.applicationInfo.uid + "; old data erased";
reportSettingsProblem(Log.WARN, msg);
recovered = true;
// And now re-install the app.
ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid);
if (ret == -1) {
// Ack should not happen!
msg = prefix + 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;
}
} else if (!recovered) {
// If we allow this install to proceed, we will be broken.
// Abort, abort!
mLastScanError = PackageManager.INSTALL_FAILED_UID_CHANGED;
return null;
}
if (!recovered) {
pkg.applicationInfo.dataDir = "/mismatched_uid/settings_"
+ pkg.applicationInfo.uid + "/fs_"
+ currentUid;
pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir;
String msg = "Package " + pkg.packageName
+ " has mismatched uid: "
+ currentUid + " on disk, "
+ pkg.applicationInfo.uid + " in settings";
// writer
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 (DEBUG_PACKAGE_SCANNING) {
if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
Log.v(TAG, "Want this data dir: " + dataPath);
}
//invoke installer to do the actual installation
int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid);
if (ret < 0) {
// Error from installer
mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
return null;
}
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) {
setInternalAppNativeLibraryPath(pkg, pkgSetting);
} else {
pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString;
}
}
pkgSetting.uidError = uidError;
}
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) {
try {
File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir);
final String dataPathString = dataPath.getCanonicalPath();
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 (!isForwardLocked(pkg) && !isExternal(pkg)) {
/*
* Update native library dir if it starts with
* /data/data
*/
if (nativeLibraryDir.getPath().startsWith(dataPathString)) {
setInternalAppNativeLibraryPath(pkg, pkgSetting);
nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir);
}
try {
if (copyNativeLibrariesForInternalApp(scanFile, nativeLibraryDir) != PackageManager.INSTALL_SUCCEEDED) {
Slog.e(TAG, "Unable to copy native libraries");
mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
return null;
}
} catch (IOException e) {
Slog.e(TAG, "Unable to copy native libraries", e);
mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
return null;
}
}
if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path);
final int[] userIds = sUserManager.getUserIds();
synchronized (mInstallLock) {
for (int userId : userIds) {
if (mInstaller.linkNativeLibraryDirectory(pkg.packageName,
pkg.applicationInfo.nativeLibraryDir, userId) < 0) {
Slog.w(TAG, "Failed linking native library dir (user=" + userId
+ ")");
mLastScanError = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
return null;
}
}
}
}
} catch (IOException ioe) {
Slog.e(TAG, "Unable to get canonical file " + ioe.toString());
}
}
pkg.mScanPath = path;
if ((scanMode&SCAN_NO_DEX) == 0) {
if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0)
== 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);
}
// writer
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.insertPackageSettingLPw(pkgSetting, pkg);
// Add the new setting to mPackages
mPackages.put(pkg.applicationInfo.packageName, pkg);
// Make sure we don't accidentally delete its data.
final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator();
while (iter.hasNext()) {
PackageCleanItem item = iter.next();
if (pkgName.equals(item.packageName)) {
iter.remove();
}
}
// 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 (DEBUG_PACKAGE_SCANNING) {
if ((parseFlags & PackageParser.PARSE_CHATTY) != 0)
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 (DEBUG_PACKAGE_SCANNING) 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 (DEBUG_PACKAGE_SCANNING) 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 (DEBUG_PACKAGE_SCANNING) 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 (DEBUG_PACKAGE_SCANNING) 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 (DEBUG_PACKAGE_SCANNING) 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 (DEBUG_PACKAGE_SCANNING) 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 (DEBUG_PACKAGE_SCANNING) 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 setInternalAppNativeLibraryPath(PackageParser.Package pkg,
PackageSetting pkgSetting) {
final String apkLibPath = getApkName(pkgSetting.codePathString);
final String nativeLibraryPath = new File(mAppLibInstallDir, apkLibPath).getPath();
pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath;
pkgSetting.nativeLibraryPathString = nativeLibraryPath;
}
private static int copyNativeLibrariesForInternalApp(File scanFile, final File nativeLibraryDir)
throws IOException {
if (!nativeLibraryDir.isDirectory()) {
nativeLibraryDir.delete();
if (!nativeLibraryDir.mkdir()) {
throw new IOException("Cannot create " + nativeLibraryDir.getPath());
}
try {
Libcore.os.chmod(nativeLibraryDir.getPath(), S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH
| S_IXOTH);
} catch (ErrnoException e) {
throw new IOException("Cannot chmod native library directory "
+ nativeLibraryDir.getPath(), e);
}
} else if (!SELinux.restorecon(nativeLibraryDir)) {
throw new IOException("Cannot set SELinux context for " + nativeLibraryDir.getPath());
}
/*
* If this is an internal application or our nativeLibraryPath points to
* the app-lib directory, unpack the libraries if necessary.
*/
return NativeLibraryHelper.copyNativeBinariesIfNeededLI(scanFile, nativeLibraryDir);
}
private void killApplication(String pkgName, int appId) {
// 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.killApplicationWithAppId(pkgName, appId);
} catch (RemoteException e) {
}
}
}
void removePackageLI(PackageSetting ps, boolean chatty) {
if (DEBUG_INSTALL) {
if (chatty)
Log.d(TAG, "Removing package " + ps.name);
}
// writer
synchronized (mPackages) {
mPackages.remove(ps.name);
if (ps.codePathString != null) {
mAppDirs.remove(ps.codePathString);
}
final PackageParser.Package pkg = ps.pkg;
if (pkg != null) {
cleanPackageDataStructuresLILPw(pkg, chatty);
}
}
}
void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) {
if (DEBUG_INSTALL) {
if (chatty)
Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName);
}
// writer
synchronized (mPackages) {
mPackages.remove(pkg.applicationInfo.packageName);
if (pkg.mPath != null) {
mAppDirs.remove(pkg.mPath);
}
cleanPackageDataStructuresLILPw(pkg, chatty);
}
}
void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) {
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) {
/* There was 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 (DEBUG_REMOVE) {
if (chatty)
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 (DEBUG_REMOVE) 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 (DEBUG_REMOVE) 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 (DEBUG_REMOVE) 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 (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r);
}
N = pkg.permissions.size();
r = null;
for (i=0; i<N; i++) {
PackageParser.Permission p = pkg.permissions.get(i);
BasePermission bp = mSettings.mPermissions.get(p.info.name);
if (bp == null) {
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 (DEBUG_REMOVE) 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 (DEBUG_REMOVE) 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;
}
static final int UPDATE_PERMISSIONS_ALL = 1<<0;
static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1;
static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2;
private void updatePermissionsLPw(String changingPkg,
PackageParser.Package pkgInfo, int flags) {
// Make sure there are no dangling permission trees.
Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator();
while (it.hasNext()) {
final 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);
flags |= UPDATE_PERMISSIONS_ALL;
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()) {
final 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) {
final BasePermission tree = findPermissionTreeLP(bp.name);
if (tree != null && tree.perm != 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);
flags |= UPDATE_PERMISSIONS_ALL;
it.remove();
}
}
}
// Now update the permissions for all packages, in particular
// replace the granted permissions of the system packages.
if ((flags&UPDATE_PERMISSIONS_ALL) != 0) {
for (PackageParser.Package pkg : mPackages.values()) {
if (pkg != pkgInfo) {
grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0);
}
}
}
if (pkgInfo != null) {
grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0);
}
}
private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) {
final PackageSetting ps = (PackageSetting) pkg.mExtras;
if (ps == null) {
return;
}
final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps;
HashSet<String> origPermissions = gp.grantedPermissions;
boolean changedPermission = false;
if (replace) {
ps.permissionsFixed = false;
if (gp == ps) {
origPermissions = new HashSet<String>(gp.grantedPermissions);
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++) {
final String name = pkg.requestedPermissions.get(i);
//final boolean required = pkg.requestedPermssionsRequired.get(i);
final BasePermission bp = mSettings.mPermissions.get(name);
if (DEBUG_INSTALL) {
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;
final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE;
if (level == PermissionInfo.PROTECTION_NORMAL
|| level == PermissionInfo.PROTECTION_DANGEROUS) {
allowed = true;
} else if (bp.packageSetting == null) {
// This permission is invalid; skip it.
allowed = false;
} else if (level == PermissionInfo.PROTECTION_SIGNATURE) {
allowed = (compareSignatures(
bp.packageSetting.signatures.mSignatures, pkg.mSignatures)
== PackageManager.SIGNATURE_MATCH)
|| (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures)
== PackageManager.SIGNATURE_MATCH);
if (!allowed && (bp.protectionLevel
& PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) {
if (isSystemApp(pkg)) {
// For updated system applications, a system permission
// is granted only if it had been defined by the original application.
if (isUpdatedSystemApp(pkg)) {
final PackageSetting sysPs = mSettings
.getDisabledSystemPkgLPr(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 && (bp.protectionLevel
& PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) {
// For development permissions, a development permission
// is granted only if it was already granted.
if (origPermissions.contains(perm)) {
allowed = true;
} else {
allowed = false;
}
}
if (allowed) {
allowedSig = true;
}
} else {
allowed = false;
}
if (DEBUG_INSTALL) {
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<ResolveInfo> queryIntent(Intent intent, String resolvedType,
boolean defaultOnly, int userId) {
if (!sUserManager.exists(userId)) return null;
mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
return super.queryIntent(intent, resolvedType, defaultOnly, userId);
}
public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags,
int userId) {
if (!sUserManager.exists(userId)) return null;
mFlags = flags;
return super.queryIntent(intent, resolvedType,
(flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId);
}
public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType,
int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) {
if (!sUserManager.exists(userId)) return null;
if (packageActivities == null) {
return null;
}
mFlags = flags;
final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0;
final int N = packageActivities.size();
ArrayList<PackageParser.ActivityIntentInfo[]> listCut =
new 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) {
PackageParser.ActivityIntentInfo[] array =
new PackageParser.ActivityIntentInfo[intentFilters.size()];
intentFilters.toArray(array);
listCut.add(array);
}
}
return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId);
}
public final void addActivity(PackageParser.Activity a, String type) {
final boolean systemApp = isSystemApp(a.info.applicationInfo);
mActivities.put(a.getComponentName(), a);
if (DEBUG_SHOW_INFO)
Log.v(
TAG, " " + type + " " +
(a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":");
if (DEBUG_SHOW_INFO)
Log.v(TAG, " Class=" + a.info.name);
final 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 (DEBUG_SHOW_INFO) {
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 (DEBUG_SHOW_INFO) {
Log.v(TAG, " " + type + " "
+ (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel
: a.info.name) + ":");
Log.v(TAG, " Class=" + a.info.name);
}
final int NI = a.intents.size();
for (int j=0; j<NI; j++) {
PackageParser.ActivityIntentInfo intent = a.intents.get(j);
if (DEBUG_SHOW_INFO) {
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 ActivityIntentInfo[] newArray(int size) {
return new ActivityIntentInfo[size];
}
@Override
protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) {
if (!sUserManager.exists(userId)) return true;
PackageParser.Package p = filter.activity.owner;
if (p != null) {
PackageSetting ps = (PackageSetting)p.mExtras;
if (ps != null) {
// System apps are never considered stopped for purposes of
// filtering, because there may be no way for the user to
// actually re-launch them.
return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0
&& ps.getStopped(userId);
}
}
return false;
}
@Override
protected String packageForFilter(PackageParser.ActivityIntentInfo info) {
return info.activity.owner.packageName;
}
@Override
protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info,
int match, int userId) {
if (!sUserManager.exists(userId)) return null;
if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) {
return null;
}
final PackageParser.Activity activity = info.activity;
if (mSafeMode && (activity.info.applicationInfo.flags
&ApplicationInfo.FLAG_SYSTEM) == 0) {
return null;
}
PackageSetting ps = (PackageSetting) activity.owner.mExtras;
if (ps == null) {
return null;
}
ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags,
ps.readUserState(userId), userId);
if (ai == null) {
return null;
}
final ResolveInfo res = new ResolveInfo();
res.activityInfo = ai;
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;
res.system = isSystemApp(res.activityInfo.applicationInfo);
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<ResolveInfo> queryIntent(Intent intent, String resolvedType,
boolean defaultOnly, int userId) {
mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0;
return super.queryIntent(intent, resolvedType, defaultOnly, userId);
}
public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags,
int userId) {
if (!sUserManager.exists(userId)) return null;
mFlags = flags;
return super.queryIntent(intent, resolvedType,
(flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId);
}
public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType,
int flags, ArrayList<PackageParser.Service> packageServices, int userId) {
if (!sUserManager.exists(userId)) return null;
if (packageServices == null) {
return null;
}
mFlags = flags;
final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0;
final int N = packageServices.size();
ArrayList<PackageParser.ServiceIntentInfo[]> listCut =
new 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) {
PackageParser.ServiceIntentInfo[] array =
new PackageParser.ServiceIntentInfo[intentFilters.size()];
intentFilters.toArray(array);
listCut.add(array);
}
}
return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId);
}
public final void addService(PackageParser.Service s) {
mServices.put(s.getComponentName(), s);
if (DEBUG_SHOW_INFO) {
Log.v(TAG, " "
+ (s.info.nonLocalizedLabel != null
? s.info.nonLocalizedLabel : s.info.name) + ":");
Log.v(TAG, " Class=" + s.info.name);
}
final int NI = s.intents.size();
int j;
for (j=0; j<NI; j++) {
PackageParser.ServiceIntentInfo intent = s.intents.get(j);
if (DEBUG_SHOW_INFO) {
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 (DEBUG_SHOW_INFO) {
Log.v(TAG, " " + (s.info.nonLocalizedLabel != null
? s.info.nonLocalizedLabel : s.info.name) + ":");
Log.v(TAG, " Class=" + s.info.name);
}
final int NI = s.intents.size();
int j;
for (j=0; j<NI; j++) {
PackageParser.ServiceIntentInfo intent = s.intents.get(j);
if (DEBUG_SHOW_INFO) {
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 PackageParser.ServiceIntentInfo[] newArray(int size) {
return new PackageParser.ServiceIntentInfo[size];
}
@Override
protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) {
if (!sUserManager.exists(userId)) return true;
PackageParser.Package p = filter.service.owner;
if (p != null) {
PackageSetting ps = (PackageSetting)p.mExtras;
if (ps != null) {
// System apps are never considered stopped for purposes of
// filtering, because there may be no way for the user to
// actually re-launch them.
return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0
&& ps.getStopped(userId);
}
}
return false;
}
@Override
protected String packageForFilter(PackageParser.ServiceIntentInfo info) {
return info.service.owner.packageName;
}
@Override
protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter,
int match, int userId) {
if (!sUserManager.exists(userId)) return null;
final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter;
if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) {
return null;
}
final PackageParser.Service service = info.service;
if (mSafeMode && (service.info.applicationInfo.flags
&ApplicationInfo.FLAG_SYSTEM) == 0) {
return null;
}
PackageSetting ps = (PackageSetting) service.owner.mExtras;
if (ps == null) {
return null;
}
ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags,
ps.readUserState(userId), userId);
if (si == null) {
return null;
}
final ResolveInfo res = new ResolveInfo();
res.serviceInfo = si;
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;
res.system = isSystemApp(res.serviceInfo.applicationInfo);
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);
if (v1 != v2) {
return (v1 > v2) ? -1 : 1;
}
if (r1.system != r2.system) {
return r1.system ? -1 : 1;
}
return 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);
}
};
static final void sendPackageBroadcast(String action, String pkg,
Bundle extras, String targetPkg, IIntentReceiver finishedReceiver,
int[] userIds) {
IActivityManager am = ActivityManagerNative.getDefault();
if (am != null) {
try {
if (userIds == null) {
userIds = am.getRunningUserIds();
}
for (int id : userIds) {
final Intent intent = new Intent(action,
pkg != null ? Uri.fromParts("package", pkg, null) : null);
if (extras != null) {
intent.putExtras(extras);
}
if (targetPkg != null) {
intent.setPackage(targetPkg);
}
// Modify the UID when posting to other users
int uid = intent.getIntExtra(Intent.EXTRA_UID, -1);
if (uid > 0 && UserHandle.getUserId(uid) != id) {
uid = UserHandle.getUid(id, UserHandle.getAppId(uid));
intent.putExtra(Intent.EXTRA_UID, uid);
}
intent.putExtra(Intent.EXTRA_USER_HANDLE, id);
intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
if (DEBUG_BROADCASTS) {
RuntimeException here = new RuntimeException("here");
here.fillInStackTrace();
Slog.d(TAG, "Sending to user " + id + ": "
+ intent.toShortString(false, true, false, false)
+ " " + intent.getExtras(), here);
}
am.broadcastIntent(null, intent, null, finishedReceiver,
0, null, null, null, finishedReceiver != null, false, id);
}
} catch (RemoteException ex) {
}
}
}
/**
* Check if the external storage media is available. This is true if there
* is a mounted external storage medium or if the external storage is
* emulated.
*/
private boolean isExternalMediaAvailable() {
return mMediaMounted || Environment.isExternalStorageEmulated();
}
public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) {
// writer
synchronized (mPackages) {
if (!isExternalMediaAvailable()) {
// 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;
}
final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned;
if (lastPackage != null) {
pkgs.remove(lastPackage);
}
if (pkgs.size() > 0) {
return pkgs.get(0);
}
}
return null;
}
void schedulePackageCleaning(String packageName, int userId, boolean andCode) {
if (false) {
RuntimeException here = new RuntimeException("here");
here.fillInStackTrace();
Slog.d(TAG, "Schedule cleaning " + packageName + " user=" + userId
+ " andCode=" + andCode, here);
}
mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE,
userId, andCode ? 1 : 0, packageName));
}
void startCleaningPackages() {
// reader
synchronized (mPackages) {
if (!isExternalMediaAvailable()) {
return;
}
if (mSettings.mPackagesToBeCleaned.isEmpty()) {
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, UserHandle.USER_OWNER);
} 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 removedAppId = -1;
int[] removedUsers = null;
String addedPackage = null;
int addedAppId = -1;
int[] addedUsers = null;
// TODO post a message to the handler to obtain serial ordering
synchronized (mInstallLock) {
String fullPathStr = null;
File fullPath = null;
if (path != null) {
fullPath = new File(mRootDir, path);
fullPathStr = fullPath.getPath();
}
if (DEBUG_APP_DIR_OBSERVER)
Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event));
if (!isPackageFilename(path)) {
if (DEBUG_APP_DIR_OBSERVER)
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;
PackageSetting ps = null;
// reader
synchronized (mPackages) {
p = mAppDirs.get(fullPathStr);
if (p != null) {
ps = mSettings.mPackages.get(p.applicationInfo.packageName);
if (ps != null) {
removedUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true);
} else {
removedUsers = sUserManager.getUserIds();
}
}
addedUsers = sUserManager.getUserIds();
}
if ((event&REMOVE_EVENTS) != 0) {
if (ps != null) {
removePackageLI(ps, true);
removedPackage = ps.name;
removedAppId = ps.appId;
}
}
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(), UserHandle.ALL);
if (p != null) {
/*
* TODO this seems dangerous as the package may have
* changed since we last acquired the mPackages
* lock.
*/
// writer
synchronized (mPackages) {
updatePermissionsLPw(p.packageName, p,
p.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0);
}
addedPackage = p.applicationInfo.packageName;
addedAppId = UserHandle.getAppId(p.applicationInfo.uid);
}
}
}
// reader
synchronized (mPackages) {
mSettings.writeLPr();
}
}
if (removedPackage != null) {
Bundle extras = new Bundle(1);
extras.putInt(Intent.EXTRA_UID, removedAppId);
extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false);
sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage,
extras, null, null, removedUsers);
}
if (addedPackage != null) {
Bundle extras = new Bundle(1);
extras.putInt(Intent.EXTRA_UID, addedAppId);
sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage,
extras, null, null, addedUsers);
}
}
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) {
installPackageWithVerification(packageURI, observer, flags, installerPackageName, null,
null, null);
}
@Override
public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer,
int flags, String installerPackageName, Uri verificationURI,
ManifestDigest manifestDigest, ContainerEncryptionParams encryptionParams) {
VerificationParams verificationParams = new VerificationParams(verificationURI, null, null,
VerificationParams.NO_UID, manifestDigest);
installPackageWithVerificationAndEncryption(packageURI, observer, flags,
installerPackageName, verificationParams, encryptionParams);
}
public void installPackageWithVerificationAndEncryption(Uri packageURI,
IPackageInstallObserver observer, int flags, String installerPackageName,
VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) {
mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES,
null);
final int uid = Binder.getCallingUid();
UserHandle user;
if ((flags&PackageManager.INSTALL_ALL_USERS) != 0) {
user = UserHandle.ALL;
} else {
user = new UserHandle(UserHandle.getUserId(uid));
}
final int filteredFlags;
if (uid == Process.SHELL_UID || uid == 0) {
if (DEBUG_INSTALL) {
Slog.v(TAG, "Install from ADB");
}
filteredFlags = flags | PackageManager.INSTALL_FROM_ADB;
} else {
filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB;
}
verificationParams.setInstallerUid(uid);
final Message msg = mHandler.obtainMessage(INIT_COPY);
msg.obj = new InstallParams(packageURI, observer, filteredFlags, installerPackageName,
verificationParams, encryptionParams, user);
mHandler.sendMessage(msg);
}
/**
* @hide
*/
@Override
public int installExistingPackage(String packageName) {
mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES,
null);
PackageSetting pkgSetting;
final int uid = Binder.getCallingUid();
final int userId = UserHandle.getUserId(uid);
long callingId = Binder.clearCallingIdentity();
try {
boolean sendAdded = false;
Bundle extras = new Bundle(1);
// writer
synchronized (mPackages) {
pkgSetting = mSettings.mPackages.get(packageName);
if (pkgSetting == null) {
return PackageManager.INSTALL_FAILED_INVALID_URI;
}
if (!pkgSetting.getInstalled(userId)) {
pkgSetting.setInstalled(true, userId);
mSettings.writePackageRestrictionsLPr(userId);
extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId));
sendAdded = true;
}
}
if (sendAdded) {
sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED,
packageName, extras, null, null, new int[] {userId});
}
} finally {
Binder.restoreCallingIdentity(callingId);
}
return PackageManager.INSTALL_SUCCEEDED;
}
@Override
public void verifyPendingInstall(int id, int verificationCode) throws RemoteException {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
"Only package verification agents can verify applications");
final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED);
final PackageVerificationResponse response = new PackageVerificationResponse(
verificationCode, Binder.getCallingUid());
msg.arg1 = id;
msg.obj = response;
mHandler.sendMessage(msg);
}
@Override
public void extendVerificationTimeout(int id, int verificationCodeAtTimeout,
long millisecondsToDelay) {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
"Only package verification agents can extend verification timeouts");
final PackageVerificationState state = mPendingVerification.get(id);
final PackageVerificationResponse response = new PackageVerificationResponse(
verificationCodeAtTimeout, Binder.getCallingUid());
if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) {
millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT;
}
if (millisecondsToDelay < 0) {
millisecondsToDelay = 0;
}
if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW)
&& (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) {
verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT;
}
if ((state != null) && !state.timeoutExtended()) {
state.extendTimeout();
final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED);
msg.arg1 = id;
msg.obj = response;
mHandler.sendMessageDelayed(msg, millisecondsToDelay);
}
}
private void broadcastPackageVerified(int verificationId, Uri packageUri,
int verificationCode, UserHandle user) {
final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED);
intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE);
intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId);
intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode);
mContext.sendBroadcastAsUser(intent, user,
android.Manifest.permission.PACKAGE_VERIFICATION_AGENT);
}
private ComponentName matchComponentForVerifier(String packageName,
List<ResolveInfo> receivers) {
ActivityInfo targetReceiver = null;
final int NR = receivers.size();
for (int i = 0; i < NR; i++) {
final ResolveInfo info = receivers.get(i);
if (info.activityInfo == null) {
continue;
}
if (packageName.equals(info.activityInfo.packageName)) {
targetReceiver = info.activityInfo;
break;
}
}
if (targetReceiver == null) {
return null;
}
return new ComponentName(targetReceiver.packageName, targetReceiver.name);
}
private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo,
List<ResolveInfo> receivers, final PackageVerificationState verificationState) {
if (pkgInfo.verifiers.length == 0) {
return null;
}
final int N = pkgInfo.verifiers.length;
final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1);
for (int i = 0; i < N; i++) {
final VerifierInfo verifierInfo = pkgInfo.verifiers[i];
final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName,
receivers);
if (comp == null) {
continue;
}
final int verifierUid = getUidForVerifier(verifierInfo);
if (verifierUid == -1) {
continue;
}
if (DEBUG_VERIFY) {
Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName
+ " with the correct signature");
}
sufficientVerifiers.add(comp);
verificationState.addSufficientVerifier(verifierUid);
}
return sufficientVerifiers;
}
private int getUidForVerifier(VerifierInfo verifierInfo) {
synchronized (mPackages) {
final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName);
if (pkg == null) {
return -1;
} else if (pkg.mSignatures.length != 1) {
Slog.i(TAG, "Verifier package " + verifierInfo.packageName
+ " has more than one signature; ignoring");
return -1;
}
/*
* If the public key of the package's signature does not match
* our expected public key, then this is a different package and
* we should skip.
*/
final byte[] expectedPublicKey;
try {
final Signature verifierSig = pkg.mSignatures[0];
final PublicKey publicKey = verifierSig.getPublicKey();
expectedPublicKey = publicKey.getEncoded();
} catch (CertificateException e) {
return -1;
}
final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded();
if (!Arrays.equals(actualPublicKey, expectedPublicKey)) {
Slog.i(TAG, "Verifier package " + verifierInfo.packageName
+ " does not have the expected public key; ignoring");
return -1;
}
return pkg.applicationInfo.uid;
}
}
public void finishPackageInstall(int token) {
enforceSystemOrRoot("Only the system is allowed to finish installs");
if (DEBUG_INSTALL) {
Slog.v(TAG, "BM finishing package install for " + token);
}
final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0);
mHandler.sendMessage(msg);
}
/**
* Get the verification agent timeout.
*
* @return verification timeout in milliseconds
*/
private long getVerificationTimeout() {
return android.provider.Settings.Global.getLong(mContext.getContentResolver(),
android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT,
DEFAULT_VERIFICATION_TIMEOUT);
}
/**
* Get the default verification agent response code.
*
* @return default verification response code
*/
private int getDefaultVerificationResponse() {
return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE,
DEFAULT_VERIFICATION_RESPONSE);
}
/**
* Check whether or not package verification has been enabled.
*
* @return true if verification should be performed
*/
private boolean isVerificationEnabled(int flags) {
if (!DEFAULT_VERIFY_ENABLE) {
return false;
}
// Check if installing from ADB
if ((flags & PackageManager.INSTALL_FROM_ADB) != 0) {
// Do not run verification in a test harness environment
if (ActivityManager.isRunningInTestHarness()) {
return false;
}
// Check if the developer does not want package verification for ADB installs
if (android.provider.Settings.Global.getInt(mContext.getContentResolver(),
android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) {
return false;
}
}
return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1;
}
/**
* Get the "allow unknown sources" setting.
*
* @return the current "allow unknown sources" setting
*/
private int getUnknownSourcesSettings() {
return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
android.provider.Settings.Global.INSTALL_NON_MARKET_APPS,
-1);
}
public void setInstallerPackageName(String targetPackage, String installerPackageName) {
final int uid = Binder.getCallingUid();
// writer
synchronized (mPackages) {
PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage);
if (targetPackageSetting == null) {
throw new IllegalArgumentException("Unknown target package: " + targetPackage);
}
PackageSetting installerPackageSetting;
if (installerPackageName != null) {
installerPackageSetting = mSettings.mPackages.get(installerPackageName);
if (installerPackageSetting == null) {
throw new IllegalArgumentException("Unknown installer package: "
+ installerPackageName);
}
} else {
installerPackageSetting = null;
}
Signature[] callerSignature;
Object obj = mSettings.getUserIdLPr(uid);
if (obj != null) {
if (obj instanceof SharedUserSetting) {
callerSignature = ((SharedUserSetting)obj).signatures.mSignatures;
} else if (obj instanceof PackageSetting) {
callerSignature = ((PackageSetting)obj).signatures.mSignatures;
} else {
throw new SecurityException("Bad object " + obj + " for uid " + uid);
}
} else {
throw new SecurityException("Unknown calling uid " + uid);
}
// Verify: can't set installerPackageName to a package that is
// not signed with the same cert as the caller.
if (installerPackageSetting != null) {
if (compareSignatures(callerSignature,
installerPackageSetting.signatures.mSignatures)
!= PackageManager.SIGNATURE_MATCH) {
throw new SecurityException(
"Caller does not have same cert as new installer package "
+ installerPackageName);
}
}
// Verify: if target already has an installer package, it must
// be signed with the same cert as the caller.
if (targetPackageSetting.installerPackageName != null) {
PackageSetting setting = mSettings.mPackages.get(
targetPackageSetting.installerPackageName);
// If the currently set package isn't valid, then it's always
// okay to change it.
if (setting != null) {
if (compareSignatures(callerSignature,
setting.signatures.mSignatures)
!= PackageManager.SIGNATURE_MATCH) {
throw new SecurityException(
"Caller does not have same cert as old installer package "
+ targetPackageSetting.installerPackageName);
}
}
}
// Okay!
targetPackageSetting.installerPackageName = installerPackageName;
scheduleWriteSettingsLocked();
}
}
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, res.uid);
}
// 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);
}
}
});
}
private abstract class HandlerParams {
private static final int MAX_RETRIES = 4;
/**
* Number of times startCopy() has been attempted and had a non-fatal
* error.
*/
private int mRetries = 0;
/** User handle for the user requesting the information or installation. */
private final UserHandle mUser;
HandlerParams(UserHandle user) {
mUser = user;
}
UserHandle getUser() {
return mUser;
}
final boolean startCopy() {
boolean res;
try {
if (DEBUG_INSTALL) Slog.i(TAG, "startCopy");
if (++mRetries > MAX_RETRIES) {
Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up");
mHandler.sendEmptyMessage(MCS_GIVE_UP);
handleServiceError();
return false;
} else {
handleStartCopy();
res = true;
}
} catch (RemoteException e) {
if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT");
mHandler.sendEmptyMessage(MCS_RECONNECT);
res = false;
}
handleReturnCode();
return res;
}
final void serviceError() {
if (DEBUG_INSTALL) Slog.i(TAG, "serviceError");
handleServiceError();
handleReturnCode();
}
abstract void handleStartCopy() throws RemoteException;
abstract void handleServiceError();
abstract void handleReturnCode();
}
class MeasureParams extends HandlerParams {
private final PackageStats mStats;
private boolean mSuccess;
private final IPackageStatsObserver mObserver;
public MeasureParams(PackageStats stats, IPackageStatsObserver observer) {
super(new UserHandle(stats.userHandle));
mObserver = observer;
mStats = stats;
}
@Override
void handleStartCopy() throws RemoteException {
synchronized (mInstallLock) {
mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats);
}
final boolean mounted;
if (Environment.isExternalStorageEmulated()) {
mounted = true;
} else {
final String status = Environment.getExternalStorageState();
mounted = (Environment.MEDIA_MOUNTED.equals(status)
|| Environment.MEDIA_MOUNTED_READ_ONLY.equals(status));
}
if (mounted) {
final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle);
final File externalCacheDir = userEnv
.getExternalStorageAppCacheDirectory(mStats.packageName);
final long externalCacheSize = mContainerService
.calculateDirectorySize(externalCacheDir.getPath());
mStats.externalCacheSize = externalCacheSize;
final File externalDataDir = userEnv
.getExternalStorageAppDataDirectory(mStats.packageName);
long externalDataSize = mContainerService.calculateDirectorySize(externalDataDir
.getPath());
if (externalCacheDir.getParentFile().equals(externalDataDir)) {
externalDataSize -= externalCacheSize;
}
mStats.externalDataSize = externalDataSize;
final File externalMediaDir = userEnv
.getExternalStorageAppMediaDirectory(mStats.packageName);
mStats.externalMediaSize = mContainerService
.calculateDirectorySize(externalMediaDir.getPath());
final File externalObbDir = userEnv
.getExternalStorageAppObbDirectory(mStats.packageName);
mStats.externalObbSize = mContainerService.calculateDirectorySize(externalObbDir
.getPath());
}
}
@Override
void handleReturnCode() {
if (mObserver != null) {
try {
mObserver.onGetStatsCompleted(mStats, mSuccess);
} catch (RemoteException e) {
Slog.i(TAG, "Observer no longer exists.");
}
}
}
@Override
void handleServiceError() {
Slog.e(TAG, "Could not measure application " + mStats.packageName
+ " external storage");
}
}
class InstallParams extends HandlerParams {
final IPackageInstallObserver observer;
int flags;
private final Uri mPackageURI;
final String installerPackageName;
final VerificationParams verificationParams;
private InstallArgs mArgs;
private int mRet;
private File mTempPackage;
final ContainerEncryptionParams encryptionParams;
InstallParams(Uri packageURI,
IPackageInstallObserver observer, int flags,
String installerPackageName, VerificationParams verificationParams,
ContainerEncryptionParams encryptionParams, UserHandle user) {
super(user);
this.mPackageURI = packageURI;
this.flags = flags;
this.observer = observer;
this.installerPackageName = installerPackageName;
this.verificationParams = verificationParams;
this.encryptionParams = encryptionParams;
}
public ManifestDigest getManifestDigest() {
if (verificationParams == null) {
return null;
}
return verificationParams.getManifestDigest();
}
private int installLocationPolicy(PackageInfoLite pkgLite, int flags) {
String packageName = pkgLite.packageName;
int installLocation = pkgLite.installLocation;
boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0;
// reader
synchronized (mPackages) {
PackageParser.Package pkg = mPackages.get(packageName);
if (pkg != null) {
if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) {
// Check for downgrading.
if ((flags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) {
if (pkgLite.versionCode < pkg.mVersionCode) {
Slog.w(TAG, "Can't install update of " + packageName
+ " update version " + pkgLite.versionCode
+ " is older than installed version "
+ pkg.mVersionCode);
return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE;
}
}
// 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;
final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0;
final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0;
PackageInfoLite pkgLite = null;
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 {
final long lowThreshold;
final DeviceStorageMonitorService dsm = (DeviceStorageMonitorService) ServiceManager
.getService(DeviceStorageMonitorService.SERVICE);
if (dsm == null) {
Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed");
lowThreshold = 0L;
} else {
lowThreshold = dsm.getMemoryLowThreshold();
}
try {
mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, mPackageURI,
Intent.FLAG_GRANT_READ_URI_PERMISSION);
final File packageFile;
if (encryptionParams != null || !"file".equals(mPackageURI.getScheme())) {
mTempPackage = createTempPackageFile(mDrmAppPrivateInstallDir);
if (mTempPackage != null) {
ParcelFileDescriptor out;
try {
out = ParcelFileDescriptor.open(mTempPackage,
ParcelFileDescriptor.MODE_READ_WRITE);
} catch (FileNotFoundException e) {
out = null;
Slog.e(TAG, "Failed to create temporary file for : " + mPackageURI);
}
// Make a temporary file for decryption.
ret = mContainerService
.copyResource(mPackageURI, encryptionParams, out);
IoUtils.closeQuietly(out);
packageFile = mTempPackage;
FileUtils.setPermissions(packageFile.getAbsolutePath(),
FileUtils.S_IRUSR | FileUtils.S_IWUSR | FileUtils.S_IRGRP
| FileUtils.S_IROTH,
-1, -1);
} else {
packageFile = null;
}
} else {
packageFile = new File(mPackageURI.getPath());
}
if (packageFile != null) {
// Remote call to find out default install location
final String packageFilePath = packageFile.getAbsolutePath();
pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath, flags,
lowThreshold);
/*
* If we have too little free space, try to free cache
* before giving up.
*/
if (pkgLite.recommendedInstallLocation
== PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) {
final long size = mContainerService.calculateInstalledSize(
packageFilePath, isForwardLocked());
if (mInstaller.freeCache(size + lowThreshold) >= 0) {
pkgLite = mContainerService.getMinimalPackageInfo(packageFilePath,
flags, lowThreshold);
}
}
}
} finally {
mContext.revokeUriPermission(mPackageURI,
Intent.FLAG_GRANT_READ_URI_PERMISSION);
}
}
if (ret == PackageManager.INSTALL_SUCCEEDED) {
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_FAILED_INVALID_URI) {
ret = PackageManager.INSTALL_FAILED_INVALID_URI;
} else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) {
ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE;
} else {
// Override with defaults if needed.
loc = installLocationPolicy(pkgLite, flags);
if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) {
ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE;
} else 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;
}
}
}
}
final InstallArgs args = createInstallArgs(this);
mArgs = args;
if (ret == PackageManager.INSTALL_SUCCEEDED) {
/*
* ADB installs appear as UserHandle.USER_ALL, and can only be performed by
* UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER.
*/
int userIdentifier = getUser().getIdentifier();
if (userIdentifier == UserHandle.USER_ALL
&& ((flags & PackageManager.INSTALL_FROM_ADB) != 0)) {
userIdentifier = UserHandle.USER_OWNER;
}
/*
* Determine if we have any installed package verifiers. If we
* do, then we'll defer to them to verify the packages.
*/
final int requiredUid = mRequiredVerifierPackage == null ? -1
: getPackageUid(mRequiredVerifierPackage, userIdentifier);
if (requiredUid != -1 && isVerificationEnabled(flags)) {
final Intent verification = new Intent(
Intent.ACTION_PACKAGE_NEEDS_VERIFICATION);
verification.setDataAndType(getPackageUri(), PACKAGE_MIME_TYPE);
verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
final List<ResolveInfo> receivers = queryIntentReceivers(verification,
PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS,
0 /* TODO: Which userId? */);
if (DEBUG_VERIFY) {
Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent "
+ verification.toString() + " with " + pkgLite.verifiers.length
+ " optional verifiers");
}
final int verificationId = mPendingVerificationToken++;
verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId);
verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE,
installerPackageName);
verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags);
verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME,
pkgLite.packageName);
verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE,
pkgLite.versionCode);
if (verificationParams != null) {
if (verificationParams.getVerificationURI() != null) {
verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI,
verificationParams.getVerificationURI());
}
if (verificationParams.getOriginatingURI() != null) {
verification.putExtra(Intent.EXTRA_ORIGINATING_URI,
verificationParams.getOriginatingURI());
}
if (verificationParams.getReferrer() != null) {
verification.putExtra(Intent.EXTRA_REFERRER,
verificationParams.getReferrer());
}
if (verificationParams.getOriginatingUid() >= 0) {
verification.putExtra(Intent.EXTRA_ORIGINATING_UID,
verificationParams.getOriginatingUid());
}
if (verificationParams.getInstallerUid() >= 0) {
verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID,
verificationParams.getInstallerUid());
}
}
final PackageVerificationState verificationState = new PackageVerificationState(
requiredUid, args);
mPendingVerification.append(verificationId, verificationState);
final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite,
receivers, verificationState);
/*
* If any sufficient verifiers were listed in the package
* manifest, attempt to ask them.
*/
if (sufficientVerifiers != null) {
final int N = sufficientVerifiers.size();
if (N == 0) {
Slog.i(TAG, "Additional verifiers required, but none installed.");
ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE;
} else {
for (int i = 0; i < N; i++) {
final ComponentName verifierComponent = sufficientVerifiers.get(i);
final Intent sufficientIntent = new Intent(verification);
sufficientIntent.setComponent(verifierComponent);
mContext.sendBroadcastAsUser(sufficientIntent, getUser());
}
}
}
final ComponentName requiredVerifierComponent = matchComponentForVerifier(
mRequiredVerifierPackage, receivers);
if (ret == PackageManager.INSTALL_SUCCEEDED
&& mRequiredVerifierPackage != null) {
/*
* Send the intent to the required verification agent,
* but only start the verification timeout after the
* target BroadcastReceivers have run.
*/
verification.setComponent(requiredVerifierComponent);
mContext.sendOrderedBroadcastAsUser(verification, getUser(),
android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
final Message msg = mHandler
.obtainMessage(CHECK_PENDING_VERIFICATION);
msg.arg1 = verificationId;
mHandler.sendMessageDelayed(msg, getVerificationTimeout());
}
}, null, 0, null, null);
/*
* We don't want the copy to proceed until verification
* succeeds, so null out this field.
*/
mArgs = null;
}
} else {
/*
* No package verification is enabled, so immediately start
* the remote call to initiate copy using temporary file.
*/
ret = args.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);
if (mTempPackage != null) {
if (!mTempPackage.delete()) {
Slog.w(TAG, "Couldn't delete temporary file: " +
mTempPackage.getAbsolutePath());
}
}
}
}
@Override
void handleServiceError() {
mArgs = createInstallArgs(this);
mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
}
public boolean isForwardLocked() {
return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
}
public Uri getPackageUri() {
if (mTempPackage != null) {
return Uri.fromFile(mTempPackage);
} else {
return mPackageURI;
}
}
}
/*
* 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 uid;
int mRet;
MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags,
String packageName, String dataDir, int uid, UserHandle user) {
super(user);
this.srcArgs = srcArgs;
this.observer = observer;
this.flags = flags;
this.packageName = packageName;
this.uid = uid;
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;
}
mRet = srcArgs.doPreCopy();
if (mRet != PackageManager.INSTALL_SUCCEEDED) {
return;
}
mRet = targetArgs.copyApk(mContainerService, false);
if (mRet != PackageManager.INSTALL_SUCCEEDED) {
srcArgs.doPostCopy(uid);
return;
}
mRet = srcArgs.doPostCopy(uid);
if (mRet != PackageManager.INSTALL_SUCCEEDED) {
return;
}
mRet = targetArgs.doPreInstall(mRet);
if (mRet != PackageManager.INSTALL_SUCCEEDED) {
return;
}
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, uid);
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;
}
}
/**
* Used during creation of InstallArgs
*
* @param flags package installation flags
* @return true if should be installed on external storage
*/
private static boolean installOnSd(int flags) {
if ((flags & PackageManager.INSTALL_INTERNAL) != 0) {
return false;
}
if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) {
return true;
}
return false;
}
/**
* Used during creation of InstallArgs
*
* @param flags package installation flags
* @return true if should be installed as forward locked
*/
private static boolean installForwardLocked(int flags) {
return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
}
private InstallArgs createInstallArgs(InstallParams params) {
if (installOnSd(params.flags) || params.isForwardLocked()) {
return new AsecInstallArgs(params);
} else {
return new FileInstallArgs(params);
}
}
private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath,
String nativeLibraryPath) {
final boolean isInAsec;
if (installOnSd(flags)) {
/* Apps on SD card are always in ASEC containers. */
isInAsec = true;
} else if (installForwardLocked(flags)
&& !fullCodePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) {
/*
* Forward-locked apps are only in ASEC containers if they're the
* new style
*/
isInAsec = true;
} else {
isInAsec = false;
}
if (isInAsec) {
return new AsecInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath,
installOnSd(flags), installForwardLocked(flags));
} 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) || installForwardLocked(flags)) {
String cid = getNextCodePath(packageURI.getPath(), pkgName, "/"
+ AsecInstallArgs.RES_FILE_NAME);
return new AsecInstallArgs(packageURI, cid, installOnSd(flags),
installForwardLocked(flags));
} 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;
final ManifestDigest manifestDigest;
final UserHandle user;
InstallArgs(Uri packageURI, IPackageInstallObserver observer, int flags,
String installerPackageName, ManifestDigest manifestDigest,
UserHandle user) {
this.packageURI = packageURI;
this.flags = flags;
this.observer = observer;
this.installerPackageName = installerPackageName;
this.manifestDigest = manifestDigest;
this.user = user;
}
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, int uid);
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;
/**
* Called before the source arguments are copied. This is used mostly
* for MoveParams when it needs to read the source file to put it in the
* destination.
*/
int doPreCopy() {
return PackageManager.INSTALL_SUCCEEDED;
}
/**
* Called after the source arguments are copied. This is used mostly for
* MoveParams when it needs to read the source file to put it in the
* destination.
*
* @return
*/
int doPostCopy(int uid) {
return PackageManager.INSTALL_SUCCEEDED;
}
protected boolean isFwdLocked() {
return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0;
}
UserHandle getUser() {
return user;
}
}
class FileInstallArgs extends InstallArgs {
File installDir;
String codeFileName;
String resourceFileName;
String libraryPath;
boolean created = false;
FileInstallArgs(InstallParams params) {
super(params.getPackageUri(), params.observer, params.flags,
params.installerPackageName, params.getManifestDigest(),
params.getUser());
}
FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath) {
super(null, null, 0, null, null, 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, null, null);
installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir;
String apkName = getNextCodePath(null, pkgName, ".apk");
codeFileName = new File(installDir, apkName + ".apk").getPath();
resourceFileName = getResourcePathFromCodePath();
libraryPath = new File(mAppLibInstallDir, pkgName).getPath();
}
boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException {
final long lowThreshold;
final DeviceStorageMonitorService dsm = (DeviceStorageMonitorService) ServiceManager
.getService(DeviceStorageMonitorService.SERVICE);
if (dsm == null) {
Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed");
lowThreshold = 0L;
} else {
if (dsm.isMemoryLow()) {
Log.w(TAG, "Memory is reported as being too low; aborting package install");
return false;
}
lowThreshold = dsm.getMemoryLowThreshold();
}
try {
mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI,
Intent.FLAG_GRANT_READ_URI_PERMISSION);
return imcs.checkInternalFreeStorage(packageURI, isFwdLocked(), lowThreshold);
} 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();
libraryPath = getLibraryPathFromCodePath();
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 descriptor 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);
ret = imcs.copyResource(packageURI, null, out);
} finally {
IoUtils.closeQuietly(out);
mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION);
}
if (isFwdLocked()) {
final File destResourceFile = new File(getResourcePath());
// Copy the public files
try {
PackageHelper.extractPublicFiles(codeFileName, destResourceFile);
} catch (IOException e) {
Slog.e(TAG, "Couldn't create a new zip file for the public parts of a"
+ " forward-locked app.");
destResourceFile.delete();
return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE;
}
}
final File nativeLibraryFile = new File(getNativeLibraryPath());
Slog.i(TAG, "Copying native libraries to " + nativeLibraryFile.getPath());
if (nativeLibraryFile.exists()) {
NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile);
nativeLibraryFile.delete();
}
try {
int copyRet = copyNativeLibrariesForInternalApp(codeFile, nativeLibraryFile);
if (copyRet != PackageManager.INSTALL_SUCCEEDED) {
return copyRet;
}
} catch (IOException e) {
Slog.e(TAG, "Copying native libraries failed", e);
ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR;
}
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 {
final File oldCodeFile = new File(getCodePath());
final File oldResourceFile = new File(getResourcePath());
final File oldLibraryFile = new File(getNativeLibraryPath());
// Rename APK file based on packageName
final String apkName = getNextCodePath(oldCodePath, pkgName, ".apk");
final File newCodeFile = new File(installDir, apkName + ".apk");
if (!oldCodeFile.renameTo(newCodeFile)) {
return false;
}
codeFileName = newCodeFile.getPath();
// Rename public resource file if it's forward-locked.
final File newResFile = new File(getResourcePathFromCodePath());
if (isFwdLocked() && !oldResourceFile.renameTo(newResFile)) {
return false;
}
resourceFileName = newResFile.getPath();
// Rename library path
final File newLibraryFile = new File(getLibraryPathFromCodePath());
if (newLibraryFile.exists()) {
NativeLibraryHelper.removeNativeBinariesFromDirLI(newLibraryFile);
newLibraryFile.delete();
}
if (!oldLibraryFile.renameTo(newLibraryFile)) {
Slog.e(TAG, "Cannot rename native library directory "
+ oldLibraryFile.getPath() + " to " + newLibraryFile.getPath());
return false;
}
libraryPath = newLibraryFile.getPath();
// Attempt to set permissions
if (!setPermissions()) {
return false;
}
if (!SELinux.restorecon(newCodeFile)) {
return false;
}
return true;
}
}
int doPostInstall(int status, int uid) {
if (status != PackageManager.INSTALL_SUCCEEDED) {
cleanUp();
}
return status;
}
String getResourcePath() {
return resourceFileName;
}
private String getResourcePathFromCodePath() {
final String codePath = getCodePath();
if (isFwdLocked()) {
final StringBuilder sb = new StringBuilder();
sb.append(mAppInstallDir.getPath());
sb.append('/');
sb.append(getApkName(codePath));
sb.append(".zip");
/*
* If our APK is a temporary file, mark the resource as a
* temporary file as well so it can be cleaned up after
* catastrophic failure.
*/
if (codePath.endsWith(".tmp")) {
sb.append(".tmp");
}
return sb.toString();
} else {
return codePath;
}
}
private String getLibraryPathFromCodePath() {
return new File(mAppLibInstallDir, getApkName(getCodePath())).getPath();
}
@Override
String getNativeLibraryPath() {
if (libraryPath == null) {
libraryPath = getLibraryPathFromCodePath();
}
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();
}
}
if (libraryPath != null) {
File nativeLibraryFile = new File(libraryPath);
NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryFile);
if (!nativeLibraryFile.delete()) {
Slog.w(TAG, "Couldn't delete native library directory " + libraryPath);
}
}
return ret;
}
void cleanUpResourcesLI() {
String sourceDir = getCodePath();
if (cleanUp()) {
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 isAsecExternal(String cid) {
final String asecPath = PackageHelper.getSdFilesystem(cid);
return !asecPath.startsWith(mAsecInternalPath);
}
/**
* Extract the MountService "container ID" from the full code path of an
* .apk.
*/
static String cidFromCodePath(String fullCodePath) {
int eidx = fullCodePath.lastIndexOf("/");
String subStr1 = fullCodePath.substring(0, eidx);
int sidx = subStr1.lastIndexOf("/");
return subStr1.substring(sidx+1, eidx);
}
class AsecInstallArgs extends InstallArgs {
static final String RES_FILE_NAME = "pkg.apk";
static final String PUBLIC_RES_FILE_NAME = "res.zip";
String cid;
String packagePath;
String resourcePath;
String libraryPath;
AsecInstallArgs(InstallParams params) {
super(params.getPackageUri(), params.observer, params.flags,
params.installerPackageName, params.getManifestDigest(),
params.getUser());
}
AsecInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath,
boolean isExternal, boolean isForwardLocked) {
super(null, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0)
| (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0),
null, null, 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);
}
AsecInstallArgs(String cid, boolean isForwardLocked) {
super(null, null, (isAsecExternal(cid) ? PackageManager.INSTALL_EXTERNAL : 0)
| (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0),
null, null, null);
this.cid = cid;
setCachePath(PackageHelper.getSdDir(cid));
}
AsecInstallArgs(Uri packageURI, String cid, boolean isExternal, boolean isForwardLocked) {
super(packageURI, null, (isExternal ? PackageManager.INSTALL_EXTERNAL : 0)
| (isForwardLocked ? PackageManager.INSTALL_FORWARD_LOCK : 0),
null, null, 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.checkExternalFreeStorage(packageURI, isFwdLocked());
} finally {
mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION);
}
}
private final boolean isExternal() {
return (flags & PackageManager.INSTALL_EXTERNAL) != 0;
}
int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException {
if (temp) {
createCopyFile();
} else {
/*
* Pre-emptively destroy the container since it's destroyed if
* copying fails due to it existing anyway.
*/
PackageHelper.destroySdDir(cid);
}
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, PUBLIC_RES_FILE_NAME, isExternal(), isFwdLocked());
} 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 resourcePath;
}
@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();
if (isFwdLocked()) {
resourcePath = new File(cachePath, PUBLIC_RES_FILE_NAME).getPath();
} else {
resourcePath = packagePath;
}
}
int doPostInstall(int status, int uid) {
if (status != PackageManager.INSTALL_SUCCEEDED) {
cleanUp();
} else {
final int groupOwner;
final String protectedFile;
if (isFwdLocked()) {
groupOwner = UserHandle.getSharedAppGid(uid);
protectedFile = RES_FILE_NAME;
} else {
groupOwner = -1;
protectedFile = null;
}
if (uid < Process.FIRST_APPLICATION_UID
|| !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) {
Slog.e(TAG, "Failed to finalize " + cid);
PackageHelper.destroySdDir(cid);
return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
}
boolean mounted = PackageHelper.isContainerMounted(cid);
if (!mounted) {
PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid());
}
}
return status;
}
private void cleanUp() {
if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp");
// Destroy secure container
PackageHelper.destroySdDir(cid);
}
void cleanUpResourcesLI() {
String sourceFile = getCodePath();
// Remove dex file
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() {
return getAsecPackageName(cid);
}
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;
}
@Override
int doPreCopy() {
if (isFwdLocked()) {
if (!PackageHelper.fixSdPermissions(cid,
getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) {
return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
}
}
return PackageManager.INSTALL_SUCCEEDED;
}
@Override
int doPostCopy(int uid) {
if (isFwdLocked()) {
if (uid < Process.FIRST_APPLICATION_UID
|| !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid),
RES_FILE_NAME)) {
Slog.e(TAG, "Failed to finalize " + cid);
PackageHelper.destroySdDir(cid);
return PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
}
}
return PackageManager.INSTALL_SUCCEEDED;
}
};
static String getAsecPackageName(String packageCid) {
int idx = packageCid.lastIndexOf("-");
if (idx == -1) {
return packageCid;
}
return packageCid.substring(0, idx);
}
// 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;
// The set of users that originally had this package installed.
int[] origUsers;
// The set of users that now have this package installed.
int[] newUsers;
PackageParser.Package pkg;
int returnCode;
PackageRemovedInfo removedInfo;
}
/*
* Install a non-existing package.
*/
private void installNewPackageLI(PackageParser.Package pkg,
int parseFlags, int scanMode, UserHandle user,
String installerPackageName, PackageInstalledInfo res) {
// Remember this for later, in case we need to rollback this install
String pkgName = pkg.packageName;
boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists();
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(), user);
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, UserHandle.ALL, false,
dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0,
res.removedInfo, true);
}
}
}
private void replacePackageLI(PackageParser.Package pkg,
int parseFlags, int scanMode, UserHandle user,
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 (compareSignatures(oldPackage.mSignatures, pkg.mSignatures)
!= PackageManager.SIGNATURE_MATCH) {
Slog.w(TAG, "New package has a different signature: " + pkgName);
res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES;
return;
}
}
boolean sysPkg = (isSystemApp(oldPackage));
if (sysPkg) {
replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode,
user, installerPackageName, res);
} else {
replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode,
user, installerPackageName, res);
}
}
private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage,
PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user,
String installerPackageName, PackageInstalledInfo res) {
PackageParser.Package newPackage = null;
String pkgName = deletedPackage.packageName;
boolean deletedPkg = true;
boolean updatedSettings = false;
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, null, true, PackageManager.DELETE_KEEP_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(), user);
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, null, true,
PackageManager.DELETE_KEEP_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);
// 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) == null) {
Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade");
return;
}
// Restore of old package succeeded. Update permissions.
// writer
synchronized (mPackages) {
updatePermissionsLPw(deletedPackage.packageName, deletedPackage,
UPDATE_PERMISSIONS_ALL);
// can downgrade to reader
mSettings.writeLPr();
}
Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade");
}
}
}
private void replaceSystemPackageLI(PackageParser.Package deletedPackage,
PackageParser.Package pkg, int parseFlags, int scanMode, UserHandle user,
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;
// reader
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(oldPkgSetting, true);
// writer
synchronized (mPackages) {
if (!mSettings.disableSystemPackageLPw(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(0,
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, user);
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) {
removeInstalledPackageLI(newPackage, true);
}
// Add back the old system package
scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0, user);
// Restore the old system information in Settings
synchronized(mPackages) {
if (updatedSettings) {
mSettings.enableSystemPackageLPw(packageName);
mSettings.setInstallerPackageName(packageName,
oldPkgSetting.installerPackageName);
}
mSettings.writeLPr();
}
}
}
// 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, PackageSettingBase.PKG_INSTALL_INCOMPLETE);
mSettings.writeLPr();
}
if ((res.returnCode = moveDexFilesLI(newPackage))
!= PackageManager.INSTALL_SUCCEEDED) {
// Discontinue if moving dex files failed.
return;
}
Log.d(TAG, "New package installed in " + newPackage.mPath);
synchronized (mPackages) {
updatePermissionsLPw(newPackage.packageName, newPackage,
UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0
? UPDATE_PERMISSIONS_ALL : 0));
res.name = pkgName;
res.uid = newPackage.applicationInfo.uid;
res.pkg = newPackage;
mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE);
mSettings.setInstallerPackageName(pkgName, installerPackageName);
res.returnCode = PackageManager.INSTALL_SUCCEEDED;
//to update install status
mSettings.writeLPr();
}
}
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 = mDefParseFlags | PackageParser.PARSE_CHATTY
| (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0)
| (onSd ? PackageParser.PARSE_ON_SDCARD : 0);
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;
}
/* If the installer passed in a manifest digest, compare it now. */
if (args.manifestDigest != null) {
if (DEBUG_INSTALL) {
final String parsedManifest = pkg.manifestDigest == null ? "null"
: pkg.manifestDigest.toString();
Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. "
+ parsedManifest);
}
if (!args.manifestDigest.equals(pkg.manifestDigest)) {
res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED;
return;
}
} else if (DEBUG_INSTALL) {
final String parsedManifest = pkg.manifestDigest == null
? "null" : pkg.manifestDigest.toString();
Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest);
}
// 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;
}
res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true);
}
}
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, args.user,
installerPackageName, res);
} else {
installNewPackageLI(pkg, parseFlags, scanMode, args.user,
installerPackageName, res);
}
synchronized (mPackages) {
final PackageSetting ps = mSettings.mPackages.get(pkgName);
if (ps != null) {
res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true);
}
}
}
private static boolean isForwardLocked(PackageParser.Package pkg) {
return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0;
}
private boolean isForwardLocked(PackageSetting ps) {
return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0;
}
private static boolean isExternal(PackageParser.Package pkg) {
return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0;
}
private static boolean isExternal(PackageSetting ps) {
return (ps.pkgFlags & 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 isSystemApp(PackageSetting ps) {
return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0;
}
private static boolean isUpdatedSystemApp(PackageParser.Package pkg) {
return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0;
}
private int packageFlagsToInstallFlags(PackageSetting ps) {
int installFlags = 0;
if (isExternal(ps)) {
installFlags |= PackageManager.INSTALL_EXTERNAL;
}
if (isForwardLocked(ps)) {
installFlags |= PackageManager.INSTALL_FORWARD_LOCK;
}
return installFlags;
}
private void deleteTempPackageFiles() {
final FilenameFilter filter = new FilenameFilter() {
public boolean accept(File dir, String name) {
return name.startsWith("vmdl") && name.endsWith(".tmp");
}
};
deleteTempPackageFilesInDirectory(mAppInstallDir, filter);
deleteTempPackageFilesInDirectory(mDrmAppPrivateInstallDir, filter);
}
private static final void deleteTempPackageFilesInDirectory(File directory,
FilenameFilter filter) {
final String[] tmpFilesList = directory.list(filter);
if (tmpFilesList == null) {
return;
}
for (int i = 0; i < tmpFilesList.length; i++) {
final File tmpFile = new File(directory, 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);
if (!SELinux.restorecon(tmpPackageFile)) {
return null;
}
} 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.
final int uid = Binder.getCallingUid();
mHandler.post(new Runnable() {
public void run() {
mHandler.removeCallbacks(this);
final int returnCode = deletePackageX(packageName, uid, flags);
if (observer != null) {
try {
observer.packageDeleted(packageName, returnCode);
} 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 int deletePackageX(String packageName, int uid, int flags) {
final PackageRemovedInfo info = new PackageRemovedInfo();
final boolean res;
IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface(
ServiceManager.getService(Context.DEVICE_POLICY_SERVICE));
try {
if (dpm != null && dpm.packageHasActiveAdmins(packageName, UserHandle.getUserId(uid))) {
Slog.w(TAG, "Not removing package " + packageName + ": has active device admin");
return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER;
}
} catch (RemoteException e) {
}
boolean removedForAllUsers = false;
boolean systemUpdate = false;
synchronized (mInstallLock) {
res = deletePackageLI(packageName,
(flags & PackageManager.DELETE_ALL_USERS) != 0
? UserHandle.ALL : new UserHandle(UserHandle.getUserId(uid)),
true, flags | REMOVE_CHATTY, info, true);
systemUpdate = info.isRemovedPackageSystemUpdate;
if (res && !systemUpdate && mPackages.get(packageName) == null) {
removedForAllUsers = true;
}
}
if (res) {
info.sendBroadcast(true, systemUpdate, removedForAllUsers);
// If the removed package was a system update, the old system package
// was re-enabled; we need to broadcast this information
if (systemUpdate) {
Bundle extras = new Bundle(1);
extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0
? info.removedAppId : info.uid);
extras.putBoolean(Intent.EXTRA_REPLACING, true);
sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName,
extras, null, null, null);
sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName,
extras, null, null, null);
sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null,
null, packageName, null, 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(true);
}
}
return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR;
}
static class PackageRemovedInfo {
String removedPackage;
int uid = -1;
int removedAppId = -1;
int[] removedUsers = null;
boolean isRemovedPackageSystemUpdate = false;
// Clean up resources deleted packages.
InstallArgs args = null;
void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) {
Bundle extras = new Bundle(1);
extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid);
extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove);
if (replacing) {
extras.putBoolean(Intent.EXTRA_REPLACING, true);
}
extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers);
if (removedPackage != null) {
sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage,
extras, null, null, removedUsers);
if (fullRemove && !replacing) {
sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage,
extras, null, null, removedUsers);
}
}
if (removedAppId >= 0) {
sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null,
removedUsers);
}
}
}
/*
* 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(PackageSetting ps, PackageRemovedInfo outInfo,
int flags, boolean writeSettings) {
String packageName = ps.name;
removePackageLI(ps, (flags&REMOVE_CHATTY) != 0);
// Retrieve object to delete permissions for shared user later on
final PackageSetting deletedPs;
// reader
synchronized (mPackages) {
deletedPs = mSettings.mPackages.get(packageName);
if (outInfo != null) {
outInfo.removedPackage = packageName;
outInfo.removedUsers = deletedPs != null
? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true)
: null;
}
}
if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) {
removeDataDirsLI(packageName);
schedulePackageCleaning(packageName, UserHandle.USER_ALL, true);
}
// writer
synchronized (mPackages) {
if (deletedPs != null) {
if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) {
if (outInfo != null) {
outInfo.removedAppId = mSettings.removePackageLPw(packageName);
}
if (deletedPs != null) {
updatePermissionsLPw(deletedPs.name, null, 0);
if (deletedPs.sharedUser != null) {
// remove permissions associated with package
mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids);
}
}
clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL);
}
}
// can downgrade to reader
if (writeSettings) {
// Save settings now
mSettings.writeLPr();
}
}
}
/*
* Tries to delete system package.
*/
private boolean deleteSystemPackageLI(PackageSetting newPs,
int flags, PackageRemovedInfo outInfo, boolean writeSettings) {
PackageSetting disabledPs = 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
// reader
synchronized (mPackages) {
disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name);
}
if (disabledPs == null) {
Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name);
return false;
} else {
Log.i(TAG, "Deleting system pkg from data partition");
}
// Delete the updated package
outInfo.isRemovedPackageSystemUpdate = true;
if (disabledPs.versionCode < newPs.versionCode) {
// Delete data for downgrades
flags &= ~PackageManager.DELETE_KEEP_DATA;
} else {
// Preserve data by setting flag
flags |= PackageManager.DELETE_KEEP_DATA;
}
boolean ret = deleteInstalledPackageLI(newPs, true, flags, outInfo,
writeSettings);
if (!ret) {
return false;
}
// writer
synchronized (mPackages) {
// Reinstate the old system package
mSettings.enableSystemPackageLPw(newPs.name);
// Remove any native libraries from the upgraded package.
NativeLibraryHelper.removeNativeBinariesLI(newPs.nativeLibraryPathString);
}
// Install the system package
PackageParser.Package newPkg = scanPackageLI(disabledPs.codePath,
PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM,
SCAN_MONITOR | SCAN_NO_PATHS, 0, null);
if (newPkg == null) {
Slog.w(TAG, "Failed to restore system package:" + newPs.name
+ " with error:" + mLastScanError);
return false;
}
// writer
synchronized (mPackages) {
updatePermissionsLPw(newPkg.packageName, newPkg,
UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG);
// can downgrade to reader here
if (writeSettings) {
mSettings.writeLPr();
}
}
return true;
}
private boolean deleteInstalledPackageLI(PackageSetting ps,
boolean deleteCodeAndResources, int flags, PackageRemovedInfo outInfo,
boolean writeSettings) {
if (outInfo != null) {
outInfo.uid = ps.appId;
}
// Delete package data from internal structures and also remove data if flag is set
removePackageDataLI(ps, outInfo, flags, writeSettings);
// Delete application code and resources
if (deleteCodeAndResources && (outInfo != null)) {
outInfo.args = createInstallArgs(packageFlagsToInstallFlags(ps), ps.codePathString,
ps.resourcePathString, ps.nativeLibraryPathString);
}
return true;
}
/*
* This method handles package deletion in general
*/
private boolean deletePackageLI(String packageName, UserHandle user,
boolean deleteCodeAndResources, int flags, PackageRemovedInfo outInfo,
boolean writeSettings) {
if (packageName == null) {
Slog.w(TAG, "Attempt to delete null packageName.");
return false;
}
PackageSetting ps;
boolean dataOnly = false;
int removeUser = -1;
int appId = -1;
synchronized (mPackages) {
ps = mSettings.mPackages.get(packageName);
if (ps == null) {
Slog.w(TAG, "Package named '" + packageName + "' doesn't exist.");
return false;
}
if (!isSystemApp(ps) && user != null
&& user.getIdentifier() != UserHandle.USER_ALL) {
// The caller is asking that the package only be deleted for a single
// user. To do this, we just mark its uninstalled state and delete
// its data.
ps.setUserState(user.getIdentifier(),
COMPONENT_ENABLED_STATE_DEFAULT,
false, //installed
true, //stopped
true, //notLaunched
null, null);
if (ps.isAnyInstalled(sUserManager.getUserIds())) {
// Other user still have this package installed, so all
// we need to do is clear this user's data and save that
// it is uninstalled.
removeUser = user.getIdentifier();
appId = ps.appId;
mSettings.writePackageRestrictionsLPr(removeUser);
} else {
// We need to set it back to 'installed' so the uninstall
// broadcasts will be sent correctly.
ps.setInstalled(true, user.getIdentifier());
}
}
}
if (removeUser >= 0) {
// From above, we determined that we are deleting this only
// for a single user. Continue the work here.
if (outInfo != null) {
outInfo.removedPackage = packageName;
outInfo.removedAppId = appId;
outInfo.removedUsers = new int[] {removeUser};
}
mInstaller.clearUserData(packageName, removeUser);
schedulePackageCleaning(packageName, removeUser, false);
return true;
}
if (dataOnly) {
// Delete application data first
removePackageDataLI(ps, outInfo, flags, writeSettings);
return true;
}
boolean ret = false;
if (isSystemApp(ps)) {
Log.i(TAG, "Removing system package:" + ps.name);
// 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(ps, flags, outInfo, writeSettings);
} else {
Log.i(TAG, "Removing non-system package:" + ps.name);
// Kill application pre-emptively especially for apps on sd.
killApplication(packageName, ps.appId);
ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, outInfo,
writeSettings);
}
return ret;
}
private final class ClearStorageConnection implements ServiceConnection {
IMediaContainerService mContainerService;
@Override
public void onServiceConnected(ComponentName name, IBinder service) {
synchronized (this) {
mContainerService = IMediaContainerService.Stub.asInterface(service);
notifyAll();
}
}
@Override
public void onServiceDisconnected(ComponentName name) {
}
}
private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) {
final boolean mounted;
if (Environment.isExternalStorageEmulated()) {
mounted = true;
} else {
final String status = Environment.getExternalStorageState();
mounted = status.equals(Environment.MEDIA_MOUNTED)
|| status.equals(Environment.MEDIA_MOUNTED_READ_ONLY);
}
if (!mounted) {
return;
}
final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT);
int[] users;
if (userId == UserHandle.USER_ALL) {
users = sUserManager.getUserIds();
} else {
users = new int[] { userId };
}
final ClearStorageConnection conn = new ClearStorageConnection();
if (mContext.bindService(
containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.USER_OWNER)) {
try {
for (int curUser : users) {
long timeout = SystemClock.uptimeMillis() + 5000;
synchronized (conn) {
long now = SystemClock.uptimeMillis();
while (conn.mContainerService == null && now < timeout) {
try {
conn.wait(timeout - now);
} catch (InterruptedException e) {
}
}
}
if (conn.mContainerService == null) {
return;
}
final UserEnvironment userEnv = new UserEnvironment(curUser);
final File externalCacheDir = userEnv
.getExternalStorageAppCacheDirectory(packageName);
try {
conn.mContainerService.clearDirectory(externalCacheDir.toString());
} catch (RemoteException e) {
}
if (allData) {
final File externalDataDir = userEnv
.getExternalStorageAppDataDirectory(packageName);
try {
conn.mContainerService.clearDirectory(externalDataDir.toString());
} catch (RemoteException e) {
}
final File externalMediaDir = userEnv
.getExternalStorageAppMediaDirectory(packageName);
try {
conn.mContainerService.clearDirectory(externalMediaDir.toString());
} catch (RemoteException e) {
}
}
}
} finally {
mContext.unbindService(conn);
}
}
}
@Override
public void clearApplicationUserData(final String packageName,
final IPackageDataObserver observer, final int userId) {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.CLEAR_APP_USER_DATA, null);
enforceCrossUserPermission(Binder.getCallingUid(), userId, true, "clear application data");
// 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, userId);
}
clearExternalStorageDataSync(packageName, userId, true);
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, int userId) {
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;
}
}
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;
}
}
int retCode = mInstaller.clearUserData(packageName, userId);
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.
final int userId = UserHandle.getCallingUserId();
mHandler.post(new Runnable() {
public void run() {
mHandler.removeCallbacks(this);
final boolean succeded;
synchronized (mInstallLock) {
succeded = deleteApplicationCacheFilesLI(packageName, userId);
}
clearExternalStorageDataSync(packageName, userId, false);
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, int userId) {
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;
}
int retCode = mInstaller.deleteCacheFiles(packageName, userId);
if (retCode < 0) {
Slog.w(TAG, "Couldn't remove cache files for package: "
+ packageName + " u" + userId);
return false;
}
return true;
}
public void getPackageSizeInfo(final String packageName, int userHandle,
final IPackageStatsObserver observer) {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.GET_PACKAGE_SIZE, null);
PackageStats stats = new PackageStats(packageName, userHandle);
/*
* Queue up an async operation since the package measurement may take a
* little while.
*/
Message msg = mHandler.obtainMessage(INIT_COPY);
msg.obj = new MeasureParams(stats, observer);
mHandler.sendMessage(msg);
}
private boolean getPackageSizeInfoLI(String packageName, int userHandle,
PackageStats pStats) {
if (packageName == null) {
Slog.w(TAG, "Attempt to get size of null packageName.");
return false;
}
PackageParser.Package p;
boolean dataOnly = false;
String asecPath = null;
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;
}
if (p != null && (isExternal(p) || isForwardLocked(p))) {
String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir);
if (secureContainerId != null) {
asecPath = PackageHelper.getSdFilesystem(secureContainerId);
}
}
}
String publicSrcDir = null;
if(!dataOnly) {
final ApplicationInfo applicationInfo = p.applicationInfo;
if (applicationInfo == null) {
Slog.w(TAG, "Package " + packageName + " has no applicationInfo.");
return false;
}
if (isForwardLocked(p)) {
publicSrcDir = applicationInfo.publicSourceDir;
}
}
int res = mInstaller.getSizeInfo(packageName, userHandle, p.mPath, publicSrcDir,
asecPath, pStats);
if (res < 0) {
return false;
}
// Fix-up for forward-locked applications in ASEC containers.
if (!isExternal(p)) {
pStats.codeSize += pStats.externalCodeSize;
pStats.externalCodeSize = 0L;
}
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>();
}
private int getUidTargetSdkVersionLockedLPr(int uid) {
Object obj = mSettings.getUserIdLPr(uid);
if (obj instanceof SharedUserSetting) {
final SharedUserSetting sus = (SharedUserSetting) obj;
int vers = Build.VERSION_CODES.CUR_DEVELOPMENT;
final Iterator<PackageSetting> it = sus.packages.iterator();
while (it.hasNext()) {
final 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) {
final 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, int userId) {
// writer
int callingUid = Binder.getCallingUid();
enforceCrossUserPermission(callingUid, userId, true, "add preferred activity");
synchronized (mPackages) {
if (mContext.checkCallingOrSelfPermission(
android.Manifest.permission.SET_PREFERRED_APPLICATIONS)
!= PackageManager.PERMISSION_GRANTED) {
if (getUidTargetSdkVersionLockedLPr(callingUid)
< Build.VERSION_CODES.FROYO) {
Slog.w(TAG, "Ignoring addPreferredActivity() from uid "
+ callingUid);
return;
}
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
}
Slog.i(TAG, "Adding preferred activity " + activity + " for user " + userId + " :");
filter.dump(new LogPrinter(Log.INFO, TAG), " ");
mSettings.editPreferredActivitiesLPw(userId).addFilter(
new PreferredActivity(filter, match, set, activity));
mSettings.writePackageRestrictionsLPr(userId);
}
}
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 (getUidTargetSdkVersionLockedLPr(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);
}
final int callingUserId = UserHandle.getCallingUserId();
ArrayList<PreferredActivity> removed = null;
PreferredIntentResolver pir = mSettings.mPreferredActivities.get(callingUserId);
if (pir != null) {
Iterator<PreferredActivity> it = pir.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)) {
if (removed == null) {
removed = new ArrayList<PreferredActivity>();
}
removed.add(pa);
Log.i(TAG, "Removing preferred activity " + pa.mPref.mComponent + ":");
filter.dump(new LogPrinter(Log.INFO, TAG), " ");
}
}
if (removed != null) {
for (int i=0; i<removed.size(); i++) {
PreferredActivity pa = removed.get(i);
pir.removeFilter(pa);
}
}
}
addPreferredActivity(filter, match, set, activity, callingUserId);
}
}
public void clearPackagePreferredActivities(String packageName) {
final int uid = Binder.getCallingUid();
// writer
synchronized (mPackages) {
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 (getUidTargetSdkVersionLockedLPr(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 (clearPackagePreferredActivitiesLPw(packageName, UserHandle.getCallingUserId())) {
scheduleWriteSettingsLocked();
}
}
}
/** This method takes a specific user id as well as UserHandle.USER_ALL. */
boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) {
ArrayList<PreferredActivity> removed = null;
boolean changed = false;
for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
final int thisUserId = mSettings.mPreferredActivities.keyAt(i);
PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
if (userId != UserHandle.USER_ALL && userId != thisUserId) {
continue;
}
Iterator<PreferredActivity> it = pir.filterIterator();
while (it.hasNext()) {
PreferredActivity pa = it.next();
if (pa.mPref.mComponent.getPackageName().equals(packageName)) {
if (removed == null) {
removed = new ArrayList<PreferredActivity>();
}
removed.add(pa);
}
}
if (removed != null) {
for (int j=0; j<removed.size(); j++) {
PreferredActivity pa = removed.get(j);
pir.removeFilter(pa);
}
changed = true;
mSettings.writePackageRestrictionsLPr(thisUserId);
}
}
return changed;
}
public int getPreferredActivities(List<IntentFilter> outFilters,
List<ComponentName> outActivities, String packageName) {
int num = 0;
final int userId = UserHandle.getCallingUserId();
// reader
synchronized (mPackages) {
PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId);
if (pir != null) {
final Iterator<PreferredActivity> it = pir.filterIterator();
while (it.hasNext()) {
final PreferredActivity pa = it.next();
if (packageName == null
|| pa.mPref.mComponent.getPackageName().equals(packageName)) {
if (outFilters != null) {
outFilters.add(new IntentFilter(pa));
}
if (outActivities != null) {
outActivities.add(pa.mPref.mComponent);
}
}
}
}
}
return num;
}
@Override
public void setApplicationEnabledSetting(String appPackageName,
int newState, int flags, int userId) {
if (!sUserManager.exists(userId)) return;
setEnabledSetting(appPackageName, null, newState, flags, userId);
}
@Override
public void setComponentEnabledSetting(ComponentName componentName,
int newState, int flags, int userId) {
if (!sUserManager.exists(userId)) return;
setEnabledSetting(componentName.getPackageName(),
componentName.getClassName(), newState, flags, userId);
}
private void setEnabledSetting(
final String packageName, String className, int newState, final int flags, int userId) {
if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT
|| newState == COMPONENT_ENABLED_STATE_ENABLED
|| newState == COMPONENT_ENABLED_STATE_DISABLED
|| newState == COMPONENT_ENABLED_STATE_DISABLED_USER)) {
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);
enforceCrossUserPermission(uid, userId, false, "set enabled");
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;
// writer
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);
}
// Allow root and verify that userId is not being specified by a different user
if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) {
throw new SecurityException(
"Permission Denial: attempt to change component state from pid="
+ Binder.getCallingPid()
+ ", uid=" + uid + ", package uid=" + pkgSetting.appId);
}
if (className == null) {
// We're dealing with an application/package level state change
if (pkgSetting.getEnabled(userId) == newState) {
// Nothing to do
return;
}
pkgSetting.setEnabled(newState, userId);
// pkgSetting.pkg.mSetEnabled = newState;
} else {
// We're dealing with a component level state change
// First, verify that this is a valid class name.
PackageParser.Package pkg = pkgSetting.pkg;
if (pkg == null || !pkg.hasComponentClassName(className)) {
if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) {
throw new IllegalArgumentException("Component class " + className
+ " does not exist in " + packageName);
} else {
Slog.w(TAG, "Failed setComponentEnabledSetting: component class "
+ className + " does not exist in " + packageName);
}
}
switch (newState) {
case COMPONENT_ENABLED_STATE_ENABLED:
if (!pkgSetting.enableComponentLPw(className, userId)) {
return;
}
break;
case COMPONENT_ENABLED_STATE_DISABLED:
if (!pkgSetting.disableComponentLPw(className, userId)) {
return;
}
break;
case COMPONENT_ENABLED_STATE_DEFAULT:
if (!pkgSetting.restoreComponentLPw(className, userId)) {
return;
}
break;
default:
Slog.e(TAG, "Invalid new component state: " + newState);
return;
}
}
mSettings.writePackageRestrictionsLPr(userId);
packageUid = UserHandle.getUid(userId, pkgSetting.appId);
components = mPendingBroadcasts.get(packageName);
final 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 (DEBUG_INSTALL)
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, null,
new int[] {UserHandle.getUserId(packageUid)});
}
public void setPackageStoppedState(String packageName, boolean stopped, int userId) {
if (!sUserManager.exists(userId)) return;
final int uid = Binder.getCallingUid();
final int permission = mContext.checkCallingOrSelfPermission(
android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE);
final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED);
enforceCrossUserPermission(uid, userId, true, "stop package");
// writer
synchronized (mPackages) {
if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission,
uid, userId)) {
scheduleWritePackageRestrictionsLocked(userId);
}
}
}
public String getInstallerPackageName(String packageName) {
// reader
synchronized (mPackages) {
return mSettings.getInstallerPackageNameLPr(packageName);
}
}
@Override
public int getApplicationEnabledSetting(String packageName, int userId) {
if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED;
int uid = Binder.getCallingUid();
enforceCrossUserPermission(uid, userId, false, "get enabled");
// reader
synchronized (mPackages) {
return mSettings.getApplicationEnabledSettingLPr(packageName, userId);
}
}
@Override
public int getComponentEnabledSetting(ComponentName componentName, int userId) {
if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED;
int uid = Binder.getCallingUid();
enforceCrossUserPermission(uid, userId, false, "get component enabled");
// reader
synchronized (mPackages) {
return mSettings.getComponentEnabledSettingLPr(componentName, userId);
}
}
public void enterSafeMode() {
enforceSystemOrRoot("Only the system can request entering safe mode");
if (!mSystemReady) {
mSafeMode = true;
}
}
public void systemReady() {
mSystemReady = true;
// Read the compatibilty setting when the system is ready.
boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt(
mContext.getContentResolver(),
android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1;
PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled);
if (DEBUG_SETTINGS) {
Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled);
}
synchronized (mPackages) {
// Verify that all of the preferred activity components actually
// exist. It is possible for applications to be updated and at
// that point remove a previously declared activity component that
// had been set as a preferred activity. We try to clean this up
// the next time we encounter that preferred activity, but it is
// possible for the user flow to never be able to return to that
// situation so here we do a sanity check to make sure we haven't
// left any junk around.
ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>();
for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
removed.clear();
for (PreferredActivity pa : pir.filterSet()) {
if (mActivities.mActivities.get(pa.mPref.mComponent) == null) {
removed.add(pa);
}
}
if (removed.size() > 0) {
for (int j=0; j<removed.size(); j++) {
PreferredActivity pa = removed.get(i);
Slog.w(TAG, "Removing dangling preferred activity: "
+ pa.mPref.mComponent);
pir.removeFilter(pa);
}
mSettings.writePackageRestrictionsLPr(
mSettings.mPreferredActivities.keyAt(i));
}
}
}
}
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();
}
static class DumpState {
public static final int DUMP_LIBS = 1 << 0;
public static final int DUMP_FEATURES = 1 << 1;
public static final int DUMP_RESOLVERS = 1 << 2;
public static final int DUMP_PERMISSIONS = 1 << 3;
public static final int DUMP_PACKAGES = 1 << 4;
public static final int DUMP_SHARED_USERS = 1 << 5;
public static final int DUMP_MESSAGES = 1 << 6;
public static final int DUMP_PROVIDERS = 1 << 7;
public static final int DUMP_VERIFIERS = 1 << 8;
public static final int DUMP_PREFERRED = 1 << 9;
public static final int DUMP_PREFERRED_XML = 1 << 10;
public static final int OPTION_SHOW_FILTERS = 1 << 0;
private int mTypes;
private int mOptions;
private boolean mTitlePrinted;
private SharedUserSetting mSharedUser;
public boolean isDumping(int type) {
if (mTypes == 0 && type != DUMP_PREFERRED_XML) {
return true;
}
return (mTypes & type) != 0;
}
public void setDump(int type) {
mTypes |= type;
}
public boolean isOptionEnabled(int option) {
return (mOptions & option) != 0;
}
public void setOptionEnabled(int option) {
mOptions |= option;
}
public boolean onTitlePrinted() {
final boolean printed = mTitlePrinted;
mTitlePrinted = true;
return printed;
}
public boolean getTitlePrinted() {
return mTitlePrinted;
}
public void setTitlePrinted(boolean enabled) {
mTitlePrinted = enabled;
}
public SharedUserSetting getSharedUser() {
return mSharedUser;
}
public void setSharedUser(SharedUserSetting user) {
mSharedUser = user;
}
}
@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;
}
DumpState dumpState = new DumpState();
String packageName = null;
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(" pref[erred]: print preferred package settings");
pw.println(" preferred-xml: print preferred package settings as xml");
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(" v[erifiers]: print package verifier info");
pw.println(" <package.name>: info about given package");
return;
} else if ("-f".equals(opt)) {
dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS);
} 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)) {
dumpState.setDump(DumpState.DUMP_LIBS);
} else if ("f".equals(cmd) || "features".equals(cmd)) {
dumpState.setDump(DumpState.DUMP_FEATURES);
} else if ("r".equals(cmd) || "resolvers".equals(cmd)) {
dumpState.setDump(DumpState.DUMP_RESOLVERS);
} else if ("perm".equals(cmd) || "permissions".equals(cmd)) {
dumpState.setDump(DumpState.DUMP_PERMISSIONS);
} else if ("pref".equals(cmd) || "preferred".equals(cmd)) {
dumpState.setDump(DumpState.DUMP_PREFERRED);
} else if ("preferred-xml".equals(cmd)) {
dumpState.setDump(DumpState.DUMP_PREFERRED_XML);
} else if ("p".equals(cmd) || "packages".equals(cmd)) {
dumpState.setDump(DumpState.DUMP_PACKAGES);
} else if ("s".equals(cmd) || "shared-users".equals(cmd)) {
dumpState.setDump(DumpState.DUMP_SHARED_USERS);
} else if ("prov".equals(cmd) || "providers".equals(cmd)) {
dumpState.setDump(DumpState.DUMP_PROVIDERS);
} else if ("m".equals(cmd) || "messages".equals(cmd)) {
dumpState.setDump(DumpState.DUMP_MESSAGES);
} else if ("v".equals(cmd) || "verifiers".equals(cmd)) {
dumpState.setDump(DumpState.DUMP_VERIFIERS);
}
}
// reader
synchronized (mPackages) {
if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) {
if (dumpState.onTitlePrinted())
pw.println(" ");
pw.println("Verifiers:");
pw.print(" Required: ");
pw.print(mRequiredVerifierPackage);
pw.print(" (uid=");
pw.print(getPackageUid(mRequiredVerifierPackage, 0));
pw.println(")");
}
if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) {
if (dumpState.onTitlePrinted())
pw.println(" ");
pw.println("Libraries:");
final 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 (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) {
if (dumpState.onTitlePrinted())
pw.println(" ");
pw.println("Features:");
Iterator<String> it = mAvailableFeatures.keySet().iterator();
while (it.hasNext()) {
String name = it.next();
pw.print(" ");
pw.println(name);
}
}
if (dumpState.isDumping(DumpState.DUMP_RESOLVERS)) {
if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:"
: "Activity Resolver Table:", " ", packageName,
dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) {
dumpState.setTitlePrinted(true);
}
if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:"
: "Receiver Resolver Table:", " ", packageName,
dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) {
dumpState.setTitlePrinted(true);
}
if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:"
: "Service Resolver Table:", " ", packageName,
dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) {
dumpState.setTitlePrinted(true);
}
}
if (dumpState.isDumping(DumpState.DUMP_PREFERRED)) {
for (int i=0; i<mSettings.mPreferredActivities.size(); i++) {
PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i);
int user = mSettings.mPreferredActivities.keyAt(i);
if (pir.dump(pw,
dumpState.getTitlePrinted()
? "\nPreferred Activities User " + user + ":"
: "Preferred Activities User " + user + ":", " ",
packageName, dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) {
dumpState.setTitlePrinted(true);
}
}
}
if (dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) {
pw.flush();
FileOutputStream fout = new FileOutputStream(fd);
BufferedOutputStream str = new BufferedOutputStream(fout);
XmlSerializer serializer = new FastXmlSerializer();
try {
serializer.setOutput(str, "utf-8");
serializer.startDocument(null, true);
serializer.setFeature(
"http://xmlpull.org/v1/doc/features.html#indent-output", true);
mSettings.writePreferredActivitiesLPr(serializer, 0);
serializer.endDocument();
serializer.flush();
} catch (IllegalArgumentException e) {
pw.println("Failed writing: " + e);
} catch (IllegalStateException e) {
pw.println("Failed writing: " + e);
} catch (IOException e) {
pw.println("Failed writing: " + e);
}
}
if (dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) {
mSettings.dumpPermissionsLPr(pw, packageName, dumpState);
}
if (dumpState.isDumping(DumpState.DUMP_PROVIDERS)) {
boolean printedSomething = false;
for (PackageParser.Provider p : mProvidersByComponent.values()) {
if (packageName != null && !packageName.equals(p.info.packageName)) {
continue;
}
if (!printedSomething) {
if (dumpState.onTitlePrinted())
pw.println(" ");
pw.println("Registered ContentProviders:");
printedSomething = true;
}
pw.print(" "); pw.print(p.getComponentShortName()); pw.println(":");
pw.print(" "); pw.println(p.toString());
}
printedSomething = false;
for (Map.Entry<String, PackageParser.Provider> entry : mProviders.entrySet()) {
PackageParser.Provider p = entry.getValue();
if (packageName != null && !packageName.equals(p.info.packageName)) {
continue;
}
if (!printedSomething) {
if (dumpState.onTitlePrinted())
pw.println(" ");
pw.println("ContentProvider Authorities:");
printedSomething = true;
}
pw.print(" ["); pw.print(entry.getKey()); pw.println("]:");
pw.print(" "); pw.println(p.toString());
if (p.info != null && p.info.applicationInfo != null) {
final String appInfo = p.info.applicationInfo.toString();
pw.print(" applicationInfo="); pw.println(appInfo);
}
}
}
if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) {
mSettings.dumpPackagesLPr(pw, packageName, dumpState);
}
if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) {
mSettings.dumpSharedUsersLPr(pw, packageName, dumpState);
}
if (dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) {
if (dumpState.onTitlePrinted())
pw.println(" ");
mSettings.dumpReadMessagesLPr(pw, dumpState);
pw.println(" ");
pw.println("Package warning messages:");
final File fname = getSettingsProblemFile();
FileInputStream in = null;
try {
in = new FileInputStream(fname);
final int avail = in.available();
final byte[] data = new byte[avail];
in.read(data);
pw.print(new String(data));
} catch (FileNotFoundException e) {
} catch (IOException e) {
} finally {
if (in != null) {
try {
in.close();
} catch (IOException e) {
}
}
}
}
}
}
// ------- apps on sdcard specific code -------
static final boolean DEBUG_SD_INSTALL = false;
private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD";
private static final String SD_ENCRYPTION_ALGORITHM = "AES";
private boolean mMediaMounted = false;
private String getEncryptKey() {
try {
String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString(
SD_ENCRYPTION_KEYSTORE_NAME);
if (sdEncKey == null) {
sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128,
SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME);
if (sdEncKey == null) {
Slog.e(TAG, "Failed to create encryption keys");
return null;
}
}
return sdEncKey;
} catch (NoSuchAlgorithmException nsae) {
Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae);
return null;
} catch (IOException ioe) {
Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe);
return null;
}
}
/* package */static String getTempContainerId() {
int tmpIdx = 1;
String list[] = PackageHelper.getSecureContainerList();
if (list != null) {
for (final String name : list) {
// Ignore null and non-temporary container entries
if (name == null || !name.startsWith(mTempContainerPrefix)) {
continue;
}
String subStr = name.substring(mTempContainerPrefix.length());
try {
int cid = Integer.parseInt(subStr);
if (cid >= tmpIdx) {
tmpIdx = cid + 1;
}
} catch (NumberFormatException e) {
}
}
}
return mTempContainerPrefix + tmpIdx;
}
/*
* Update media status on PackageManager.
*/
public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) {
int callingUid = Binder.getCallingUid();
if (callingUid != 0 && callingUid != Process.SYSTEM_UID) {
throw new SecurityException("Media status can only be updated by the system");
}
// reader; this apparently protects mMediaMounted, but should probably
// be a different lock in that case.
synchronized (mPackages) {
Log.i(TAG, "Updating external media status from "
+ (mMediaMounted ? "mounted" : "unmounted") + " to "
+ (mediaStatus ? "mounted" : "unmounted"));
if (DEBUG_SD_INSTALL)
Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus
+ ", mMediaMounted=" + mMediaMounted);
if (mediaStatus == mMediaMounted) {
final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1
: 0, -1);
mHandler.sendMessage(msg);
return;
}
mMediaMounted = mediaStatus;
}
// Queue up an async operation since the package installation may take a
// little while.
mHandler.post(new Runnable() {
public void run() {
updateExternalMediaStatusInner(mediaStatus, reportStatus, true);
}
});
}
/**
* Called by MountService when the initial ASECs to scan are available.
* Should block until all the ASEC containers are finished being scanned.
*/
public void scanAvailableAsecs() {
updateExternalMediaStatusInner(true, false, false);
}
/*
* Collect information of applications on external media, map them against
* existing containers and update information based on current mount status.
* Please note that we always have to report status if reportStatus has been
* set to true especially when unloading packages.
*/
private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus,
boolean externalStorage) {
// Collection of uids
int uidArr[] = null;
// Collection of stale containers
HashSet<String> removeCids = new HashSet<String>();
// Collection of packages on external media with valid containers.
HashMap<AsecInstallArgs, String> processCids = new HashMap<AsecInstallArgs, String>();
// Get list of secure containers.
final String list[] = PackageHelper.getSecureContainerList();
if (list == null || list.length == 0) {
Log.i(TAG, "No secure containers on sdcard");
} else {
// Process list of secure containers and categorize them
// as active or stale based on their package internal state.
int uidList[] = new int[list.length];
int num = 0;
// reader
synchronized (mPackages) {
for (String cid : list) {
if (DEBUG_SD_INSTALL)
Log.i(TAG, "Processing container " + cid);
String pkgName = getAsecPackageName(cid);
if (pkgName == null) {
if (DEBUG_SD_INSTALL)
Log.i(TAG, "Container : " + cid + " stale");
removeCids.add(cid);
continue;
}
if (DEBUG_SD_INSTALL)
Log.i(TAG, "Looking for pkg : " + pkgName);
final PackageSetting ps = mSettings.mPackages.get(pkgName);
if (ps == null) {
Log.i(TAG, "Deleting container with no matching settings " + cid);
removeCids.add(cid);
continue;
}
/*
* Skip packages that are not external if we're unmounting
* external storage.
*/
if (externalStorage && !isMounted && !isExternal(ps)) {
continue;
}
final AsecInstallArgs args = new AsecInstallArgs(cid, isForwardLocked(ps));
// The package status is changed only if the code path
// matches between settings and the container id.
if (ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) {
if (DEBUG_SD_INSTALL) {
Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName
+ " at code path: " + ps.codePathString);
}
// We do have a valid package installed on sdcard
processCids.put(args, ps.codePathString);
final int uid = ps.appId;
if (uid != -1) {
uidList[num++] = uid;
}
} else {
Log.i(TAG, "Deleting stale container for " + cid);
removeCids.add(cid);
}
}
}
if (num > 0) {
// Sort uid list
Arrays.sort(uidList, 0, num);
// Throw away duplicates
uidArr = new int[num];
uidArr[0] = uidList[0];
int di = 0;
for (int i = 1; i < num; i++) {
if (uidList[i - 1] != uidList[i]) {
uidArr[di++] = uidList[i];
}
}
}
}
// Process packages with valid entries.
if (isMounted) {
if (DEBUG_SD_INSTALL)
Log.i(TAG, "Loading packages");
loadMediaPackages(processCids, uidArr, removeCids);
startCleaningPackages();
} else {
if (DEBUG_SD_INSTALL)
Log.i(TAG, "Unloading packages");
unloadMediaPackages(processCids, uidArr, reportStatus);
}
}
private void sendResourcesChangedBroadcast(boolean mediaStatus, ArrayList<String> pkgList,
int uidArr[], IIntentReceiver finishedReceiver) {
int size = pkgList.size();
if (size > 0) {
// Send broadcasts here
Bundle extras = new Bundle();
extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList
.toArray(new String[size]));
if (uidArr != null) {
extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr);
}
String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE
: Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE;
sendPackageBroadcast(action, null, extras, null, finishedReceiver, null);
}
}
/*
* Look at potentially valid container ids from processCids If package
* information doesn't match the one on record or package scanning fails,
* the cid is added to list of removeCids. We currently don't delete stale
* containers.
*/
private void loadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[],
HashSet<String> removeCids) {
ArrayList<String> pkgList = new ArrayList<String>();
Set<AsecInstallArgs> keys = processCids.keySet();
boolean doGc = false;
for (AsecInstallArgs args : keys) {
String codePath = processCids.get(args);
if (DEBUG_SD_INSTALL)
Log.i(TAG, "Loading container : " + args.cid);
int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR;
try {
// Make sure there are no container errors first.
if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) {
Slog.e(TAG, "Failed to mount cid : " + args.cid
+ " when installing from sdcard");
continue;
}
// Check code path here.
if (codePath == null || !codePath.equals(args.getCodePath())) {
Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath()
+ " does not match one in settings " + codePath);
continue;
}
// Parse package
int parseFlags = mDefParseFlags;
if (args.isExternal()) {
parseFlags |= PackageParser.PARSE_ON_SDCARD;
}
if (args.isFwdLocked()) {
parseFlags |= PackageParser.PARSE_FORWARD_LOCK;
}
doGc = true;
synchronized (mInstallLock) {
final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags,
0, 0, null);
// Scan the package
if (pkg != null) {
/*
* TODO why is the lock being held? doPostInstall is
* called in other places without the lock. This needs
* to be straightened out.
*/
// writer
synchronized (mPackages) {
retCode = PackageManager.INSTALL_SUCCEEDED;
pkgList.add(pkg.packageName);
// Post process args
args.doPostInstall(PackageManager.INSTALL_SUCCEEDED,
pkg.applicationInfo.uid);
}
} else {
Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard");
}
}
} finally {
if (retCode != PackageManager.INSTALL_SUCCEEDED) {
// Don't destroy container here. Wait till gc clears things
// up.
removeCids.add(args.cid);
}
}
}
// writer
synchronized (mPackages) {
// If the platform SDK has changed since the last time we booted,
// we need to re-grant app permission to catch any new ones that
// appear. This is really a hack, and means that apps can in some
// cases get permissions that the user didn't initially explicitly
// allow... it would be nice to have some better way to handle
// this situation.
final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion;
if (regrantPermissions)
Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to "
+ mSdkVersion + "; regranting permissions for external storage");
mSettings.mExternalSdkPlatform = mSdkVersion;
// Make sure group IDs have been assigned, and any permission
// changes in other apps are accounted for
updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL
| (regrantPermissions
? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL)
: 0));
// can downgrade to reader
// Persist settings
mSettings.writeLPr();
}
// Send a broadcast to let everyone know we are done processing
if (pkgList.size() > 0) {
sendResourcesChangedBroadcast(true, pkgList, uidArr, null);
}
// Force gc to avoid any stale parser references that we might have.
if (doGc) {
Runtime.getRuntime().gc();
}
// List stale containers and destroy stale temporary containers.
if (removeCids != null) {
for (String cid : removeCids) {
if (cid.startsWith(mTempContainerPrefix)) {
Log.i(TAG, "Destroying stale temporary container " + cid);
PackageHelper.destroySdDir(cid);
} else {
Log.w(TAG, "Container " + cid + " is stale");
}
}
}
}
/*
* Utility method to unload a list of specified containers
*/
private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) {
// Just unmount all valid containers.
for (AsecInstallArgs arg : cidArgs) {
synchronized (mInstallLock) {
arg.doPostDeleteLI(false);
}
}
}
/*
* Unload packages mounted on external media. This involves deleting package
* data from internal structures, sending broadcasts about diabled packages,
* gc'ing to free up references, unmounting all secure containers
* corresponding to packages on external media, and posting a
* UPDATED_MEDIA_STATUS message if status has been requested. Please note
* that we always have to post this message if status has been requested no
* matter what.
*/
private void unloadMediaPackages(HashMap<AsecInstallArgs, String> processCids, int uidArr[],
final boolean reportStatus) {
if (DEBUG_SD_INSTALL)
Log.i(TAG, "unloading media packages");
ArrayList<String> pkgList = new ArrayList<String>();
ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>();
final Set<AsecInstallArgs> keys = processCids.keySet();
for (AsecInstallArgs args : keys) {
String pkgName = args.getPackageName();
if (DEBUG_SD_INSTALL)
Log.i(TAG, "Trying to unload pkg : " + pkgName);
// Delete package internally
PackageRemovedInfo outInfo = new PackageRemovedInfo();
synchronized (mInstallLock) {
boolean res = deletePackageLI(pkgName, null, false,
PackageManager.DELETE_KEEP_DATA, outInfo, false);
if (res) {
pkgList.add(pkgName);
} else {
Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName);
failedList.add(args);
}
}
}
// reader
synchronized (mPackages) {
// We didn't update the settings after removing each package;
// write them now for all packages.
mSettings.writeLPr();
}
// We have to absolutely send UPDATED_MEDIA_STATUS only
// after confirming that all the receivers processed the ordered
// broadcast when packages get disabled, force a gc to clean things up.
// and unload all the containers.
if (pkgList.size() > 0) {
sendResourcesChangedBroadcast(false, pkgList, uidArr, new IIntentReceiver.Stub() {
public void performReceive(Intent intent, int resultCode, String data,
Bundle extras, boolean ordered, boolean sticky,
int sendingUser) throws RemoteException {
Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS,
reportStatus ? 1 : 0, 1, keys);
mHandler.sendMessage(msg);
}
});
} else {
Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1,
keys);
mHandler.sendMessage(msg);
}
}
/** Binder call */
@Override
public void movePackage(final String packageName, final IPackageMoveObserver observer,
final int flags) {
mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null);
UserHandle user = new UserHandle(UserHandle.getCallingUserId());
int returnCode = PackageManager.MOVE_SUCCEEDED;
int currFlags = 0;
int newFlags = 0;
// reader
synchronized (mPackages) {
PackageParser.Package pkg = mPackages.get(packageName);
if (pkg == null) {
returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST;
} else {
// Disable moving fwd locked apps and system packages
if (pkg.applicationInfo != null && isSystemApp(pkg)) {
Slog.w(TAG, "Cannot move system application");
returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE;
} else if (pkg.mOperationPending) {
Slog.w(TAG, "Attempt to move package which has pending operations");
returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING;
} else {
// Find install location first
if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0
&& (flags & PackageManager.MOVE_INTERNAL) != 0) {
Slog.w(TAG, "Ambigous flags specified for move location.");
returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION;
} else {
newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL
: PackageManager.INSTALL_INTERNAL;
currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL
: PackageManager.INSTALL_INTERNAL;
if (newFlags == currFlags) {
Slog.w(TAG, "No move required. Trying to move to same location");
returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION;
} else {
if (isForwardLocked(pkg)) {
currFlags |= PackageManager.INSTALL_FORWARD_LOCK;
newFlags |= PackageManager.INSTALL_FORWARD_LOCK;
}
}
}
if (returnCode == PackageManager.MOVE_SUCCEEDED) {
pkg.mOperationPending = true;
}
}
}
/*
* TODO this next block probably shouldn't be inside the lock. We
* can't guarantee these won't change after this is fired off
* anyway.
*/
if (returnCode != PackageManager.MOVE_SUCCEEDED) {
processPendingMove(new MoveParams(null, observer, 0, packageName,
null, -1, user),
returnCode);
} else {
Message msg = mHandler.obtainMessage(INIT_COPY);
InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir,
pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir);
MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName,
pkg.applicationInfo.dataDir, pkg.applicationInfo.uid, user);
msg.obj = mp;
mHandler.sendMessage(msg);
}
}
}
private void processPendingMove(final MoveParams mp, final int currentStatus) {
// Queue up an async operation since the package deletion may take a
// little while.
mHandler.post(new Runnable() {
public void run() {
// TODO fix this; this does nothing.
mHandler.removeCallbacks(this);
int returnCode = currentStatus;
if (currentStatus == PackageManager.MOVE_SUCCEEDED) {
int uidArr[] = null;
ArrayList<String> pkgList = null;
synchronized (mPackages) {
PackageParser.Package pkg = mPackages.get(mp.packageName);
if (pkg == null) {
Slog.w(TAG, " Package " + mp.packageName
+ " doesn't exist. Aborting move");
returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST;
} else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) {
Slog.w(TAG, "Package " + mp.packageName + " code path changed from "
+ mp.srcArgs.getCodePath() + " to "
+ pkg.applicationInfo.sourceDir
+ " Aborting move and returning error");
returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR;
} else {
uidArr = new int[] {
pkg.applicationInfo.uid
};
pkgList = new ArrayList<String>();
pkgList.add(mp.packageName);
}
}
if (returnCode == PackageManager.MOVE_SUCCEEDED) {
// Send resources unavailable broadcast
sendResourcesChangedBroadcast(false, pkgList, uidArr, null);
// Update package code and resource paths
synchronized (mInstallLock) {
synchronized (mPackages) {
PackageParser.Package pkg = mPackages.get(mp.packageName);
// Recheck for package again.
if (pkg == null) {
Slog.w(TAG, " Package " + mp.packageName
+ " doesn't exist. Aborting move");
returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST;
} else if (!mp.srcArgs.getCodePath().equals(
pkg.applicationInfo.sourceDir)) {
Slog.w(TAG, "Package " + mp.packageName
+ " code path changed from " + mp.srcArgs.getCodePath()
+ " to " + pkg.applicationInfo.sourceDir
+ " Aborting move and returning error");
returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR;
} else {
final String oldCodePath = pkg.mPath;
final String newCodePath = mp.targetArgs.getCodePath();
final String newResPath = mp.targetArgs.getResourcePath();
final String newNativePath = mp.targetArgs
.getNativeLibraryPath();
final File newNativeDir = new File(newNativePath);
if (!isForwardLocked(pkg) && !isExternal(pkg)) {
NativeLibraryHelper.copyNativeBinariesIfNeededLI(
new File(newCodePath), newNativeDir);
}
final int[] users = sUserManager.getUserIds();
for (int user : users) {
if (mInstaller.linkNativeLibraryDirectory(pkg.packageName,
newNativePath, user) < 0) {
returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE;
}
}
if (returnCode == PackageManager.MOVE_SUCCEEDED) {
pkg.mPath = newCodePath;
// Move dex files around
if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) {
// Moving of dex files failed. Set
// error code and abort move.
pkg.mPath = pkg.mScanPath;
returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE;
}
}
if (returnCode == PackageManager.MOVE_SUCCEEDED) {
pkg.mScanPath = newCodePath;
pkg.applicationInfo.sourceDir = newCodePath;
pkg.applicationInfo.publicSourceDir = newResPath;
pkg.applicationInfo.nativeLibraryDir = newNativePath;
PackageSetting ps = (PackageSetting) pkg.mExtras;
ps.codePath = new File(pkg.applicationInfo.sourceDir);
ps.codePathString = ps.codePath.getPath();
ps.resourcePath = new File(
pkg.applicationInfo.publicSourceDir);
ps.resourcePathString = ps.resourcePath.getPath();
ps.nativeLibraryPathString = newNativePath;
// Set the application info flag
// correctly.
if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) {
pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE;
} else {
pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE;
}
ps.setFlags(pkg.applicationInfo.flags);
mAppDirs.remove(oldCodePath);
mAppDirs.put(newCodePath, pkg);
// Persist settings
mSettings.writeLPr();
}
}
}
}
// Send resources available broadcast
sendResourcesChangedBroadcast(true, pkgList, uidArr, null);
}
}
if (returnCode != PackageManager.MOVE_SUCCEEDED) {
// Clean up failed installation
if (mp.targetArgs != null) {
mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR,
-1);
}
} else {
// Force a gc to clear things up.
Runtime.getRuntime().gc();
// Delete older code
synchronized (mInstallLock) {
mp.srcArgs.doPostDeleteLI(true);
}
}
// Allow more operations on this file if we didn't fail because
// an operation was already pending for this package.
if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) {
synchronized (mPackages) {
PackageParser.Package pkg = mPackages.get(mp.packageName);
if (pkg != null) {
pkg.mOperationPending = false;
}
}
}
IPackageMoveObserver observer = mp.observer;
if (observer != null) {
try {
observer.packageMoved(mp.packageName, returnCode);
} catch (RemoteException e) {
Log.i(TAG, "Observer no longer exists.");
}
}
}
});
}
public boolean setInstallLocation(int loc) {
mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS,
null);
if (getInstallLocation() == loc) {
return true;
}
if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL
|| loc == PackageHelper.APP_INSTALL_EXTERNAL) {
android.provider.Settings.Global.putInt(mContext.getContentResolver(),
android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc);
return true;
}
return false;
}
public int getInstallLocation() {
return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION,
PackageHelper.APP_INSTALL_AUTO);
}
/** Called by UserManagerService */
void cleanUpUserLILPw(int userHandle) {
if (mDirtyUsers.remove(userHandle));
mSettings.removeUserLPr(userHandle);
if (mInstaller != null) {
// Technically, we shouldn't be doing this with the package lock
// held. However, this is very rare, and there is already so much
// other disk I/O going on, that we'll let it slide for now.
mInstaller.removeUserDataDirs(userHandle);
}
}
/** Called by UserManagerService */
void createNewUserLILPw(int userHandle, File path) {
if (mInstaller != null) {
mSettings.createNewUserLILPw(mInstaller, userHandle, path);
}
}
@Override
public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException {
mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.PACKAGE_VERIFICATION_AGENT,
"Only package verification agents can read the verifier device identity");
synchronized (mPackages) {
return mSettings.getVerifierDeviceIdentityLPw();
}
}
@Override
public void setPermissionEnforced(String permission, boolean enforced) {
mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null);
if (READ_EXTERNAL_STORAGE.equals(permission)) {
synchronized (mPackages) {
if (mSettings.mReadExternalStorageEnforced == null
|| mSettings.mReadExternalStorageEnforced != enforced) {
mSettings.mReadExternalStorageEnforced = enforced;
mSettings.writeLPr();
// kill any non-foreground processes so we restart them and
// grant/revoke the GID.
final IActivityManager am = ActivityManagerNative.getDefault();
if (am != null) {
final long token = Binder.clearCallingIdentity();
try {
am.killProcessesBelowForeground("setPermissionEnforcement");
} catch (RemoteException e) {
} finally {
Binder.restoreCallingIdentity(token);
}
}
}
}
} else {
throw new IllegalArgumentException("No selective enforcement for " + permission);
}
}
@Override
public boolean isPermissionEnforced(String permission) {
final boolean enforcedDefault = isPermissionEnforcedDefault(permission);
synchronized (mPackages) {
return isPermissionEnforcedLocked(permission, enforcedDefault);
}
}
/**
* Check if given permission should be enforced by default. Should always be
* called outside of {@link #mPackages} lock.
*/
private boolean isPermissionEnforcedDefault(String permission) {
if (READ_EXTERNAL_STORAGE.equals(permission)) {
return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
android.provider.Settings.Global.READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT, 0)
!= 0;
} else {
return true;
}
}
/**
* Check if user has requested that given permission be enforced, using
* given default if undefined.
*/
private boolean isPermissionEnforcedLocked(String permission, boolean enforcedDefault) {
if (READ_EXTERNAL_STORAGE.equals(permission)) {
if (mSettings.mReadExternalStorageEnforced != null) {
return mSettings.mReadExternalStorageEnforced;
} else {
// User hasn't defined; fall back to secure default
return enforcedDefault;
}
} else {
return true;
}
}
public boolean isStorageLow() {
final long token = Binder.clearCallingIdentity();
try {
final DeviceStorageMonitorService dsm = (DeviceStorageMonitorService) ServiceManager
.getService(DeviceStorageMonitorService.SERVICE);
return dsm.isMemoryLow();
} finally {
Binder.restoreCallingIdentity(token);
}
}
}