/* * Copyright (C) 2006 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.server; import com.android.internal.app.IMediaContainerService; import com.android.internal.app.ResolverActivity; import com.android.internal.content.PackageHelper; import com.android.internal.util.FastXmlSerializer; import com.android.internal.util.JournaledFile; import com.android.internal.util.XmlUtils; import org.xmlpull.v1.XmlPullParser; import org.xmlpull.v1.XmlPullParserException; import org.xmlpull.v1.XmlSerializer; import android.app.ActivityManagerNative; import android.app.IActivityManager; import android.app.admin.IDevicePolicyManager; import android.app.backup.IBackupManager; import android.content.Context; import android.content.ComponentName; import android.content.IIntentReceiver; import android.content.Intent; import android.content.IntentFilter; import android.content.IntentSender; import android.content.ServiceConnection; import android.content.IntentSender.SendIntentException; import android.content.pm.ActivityInfo; import android.content.pm.ApplicationInfo; import android.content.pm.ComponentInfo; import android.content.pm.FeatureInfo; import android.content.pm.IPackageDataObserver; import android.content.pm.IPackageDeleteObserver; import android.content.pm.IPackageInstallObserver; import android.content.pm.IPackageManager; import android.content.pm.IPackageMoveObserver; import android.content.pm.IPackageStatsObserver; import android.content.pm.InstrumentationInfo; import android.content.pm.PackageInfo; import android.content.pm.PackageInfoLite; import android.content.pm.PackageManager; import android.content.pm.PackageStats; import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; import android.content.pm.PackageParser; import android.content.pm.PermissionInfo; import android.content.pm.PermissionGroupInfo; import android.content.pm.ProviderInfo; import android.content.pm.ResolveInfo; import android.content.pm.ServiceInfo; import android.content.pm.Signature; import android.net.Uri; import android.os.Binder; import android.os.Build; import android.os.Bundle; import android.os.Debug; import android.os.HandlerThread; import android.os.IBinder; import android.os.Looper; import android.os.Message; import android.os.Parcel; import android.os.RemoteException; import android.os.Environment; import android.os.FileObserver; import android.os.FileUtils; import android.os.Handler; import android.os.ParcelFileDescriptor; import android.os.Process; import android.os.ServiceManager; import android.os.SystemClock; import android.os.SystemProperties; import android.provider.Settings; import android.security.SystemKeyStore; import android.util.*; import android.view.Display; import android.view.WindowManager; import java.io.File; import java.io.FileDescriptor; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.FileReader; import java.io.FilenameFilter; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.security.NoSuchAlgorithmException; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Arrays; import java.util.Collection; import java.util.Collections; import java.util.Comparator; import java.util.Date; import java.util.Enumeration; import java.util.HashMap; import java.util.HashSet; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.Set; import java.util.zip.ZipEntry; import java.util.zip.ZipException; import java.util.zip.ZipFile; import java.util.zip.ZipOutputStream; /** * Keep track of all those .apks everywhere. * * This is very central to the platform's security; please run the unit * tests whenever making modifications here: * mmm frameworks/base/tests/AndroidTests adb install -r -f out/target/product/passion/data/app/AndroidTests.apk adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner * */ class PackageManagerService extends IPackageManager.Stub { private static final String TAG = "PackageManager"; private static final boolean DEBUG_SETTINGS = false; private static final boolean DEBUG_PREFERRED = false; private static final boolean DEBUG_UPGRADE = false; private static final boolean DEBUG_INSTALL = false; private static final boolean DEBUG_NATIVE = false; private static final boolean MULTIPLE_APPLICATION_UIDS = true; private static final int RADIO_UID = Process.PHONE_UID; private static final int LOG_UID = Process.LOG_UID; private static final int FIRST_APPLICATION_UID = Process.FIRST_APPLICATION_UID; private static final int MAX_APPLICATION_UIDS = 1000; private static final boolean SHOW_INFO = false; private static final boolean GET_CERTIFICATES = true; private static final int REMOVE_EVENTS = FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; private static final int ADD_EVENTS = FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; // Suffix used during package installation when copying/moving // package apks to install directory. private static final String INSTALL_PACKAGE_SUFFIX = "-"; /** * Indicates the state of installation. Used by PackageManager to * figure out incomplete installations. Say a package is being installed * (the state is set to PKG_INSTALL_INCOMPLETE) and remains so till * the package installation is successful or unsuccesful lin which case * the PackageManager will no longer maintain state information associated * with the package. If some exception(like device freeze or battery being * pulled out) occurs during installation of a package, the PackageManager * needs this information to clean up the previously failed installation. */ private static final int PKG_INSTALL_INCOMPLETE = 0; private static final int PKG_INSTALL_COMPLETE = 1; static final int SCAN_MONITOR = 1<<0; static final int SCAN_NO_DEX = 1<<1; static final int SCAN_FORCE_DEX = 1<<2; static final int SCAN_UPDATE_SIGNATURE = 1<<3; static final int SCAN_NEW_INSTALL = 1<<4; static final int SCAN_NO_PATHS = 1<<5; static final int REMOVE_CHATTY = 1<<16; static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( "com.android.defcontainer", "com.android.defcontainer.DefaultContainerService"); final HandlerThread mHandlerThread = new HandlerThread("PackageManager", Process.THREAD_PRIORITY_BACKGROUND); final PackageHandler mHandler; final int mSdkVersion = Build.VERSION.SDK_INT; final String mSdkCodename = "REL".equals(Build.VERSION.CODENAME) ? null : Build.VERSION.CODENAME; final Context mContext; final boolean mFactoryTest; final boolean mNoDexOpt; final DisplayMetrics mMetrics; final int mDefParseFlags; final String[] mSeparateProcesses; // This is where all application persistent data goes. final File mAppDataDir; // 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 mAppInstallDir. final FileObserver mAppInstallObserver; // This is the object monitoring mDrmAppPrivateInstallDir. final FileObserver mDrmAppInstallObserver; // Used for priviledge escalation. MUST NOT BE CALLED WITH mPackages // LOCK HELD. Can be called with mInstallLock held. final Installer mInstaller; final File mFrameworkDir; final File mSystemAppDir; final File mAppInstallDir; final File mDalvikCacheDir; // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked // apps. final File mDrmAppPrivateInstallDir; // ---------------------------------------------------------------- // Lock for state used when installing and doing other long running // operations. Methods that must be called with this lock held have // the prefix "LI". final Object mInstallLock = new Object(); // These are the directories in the 3rd party applications installed dir // that we have currently loaded packages from. Keys are the application's // installed zip file (absolute codePath), and values are Package. final HashMap mAppDirs = new HashMap(); // Information for the parser to write more useful error messages. File mScanningPath; int mLastScanError; final int[] mOutPermissions = new int[3]; // ---------------------------------------------------------------- // Keys are String (package name), values are Package. This also serves // as the lock for the global state. Methods that must be called with // this lock held have the prefix "LP". final HashMap mPackages = new HashMap(); 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> mSystemPermissions = new SparseArray>(); // These are the built-in shared libraries that were read from the // etc/permissions.xml file. final HashMap mSharedLibraries = new HashMap(); // 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 mAvailableFeatures = new HashMap(); // 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 mProvidersByComponent = new HashMap(); // Mapping from provider base names (first directory in content URI codePath) // to the provider information. final HashMap mProviders = new HashMap(); // Mapping from instrumentation class names to info about them. final HashMap mInstrumentation = new HashMap(); // Mapping from permission names to info about them. final HashMap mPermissionGroups = new HashMap(); // Packages whose data we have transfered into another package, thus // should no longer exist. final HashSet mTransferedPackages = new HashSet(); // Broadcast actions that are only available to the system. final HashSet mProtectedBroadcasts = new HashSet(); 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> mPendingBroadcasts = new HashMap>(); // Service Connection to remote media container service to copy // package uri's from external media onto secure containers // or internal storage. private IMediaContainerService mContainerService = null; static final int SEND_PENDING_BROADCAST = 1; static final int MCS_BOUND = 3; static final int END_COPY = 4; static final int INIT_COPY = 5; static final int MCS_UNBIND = 6; static final int START_CLEANING_PACKAGE = 7; static final int FIND_INSTALL_LOC = 8; static final int POST_INSTALL = 9; static final int MCS_RECONNECT = 10; static final int MCS_GIVE_UP = 11; static final int UPDATED_MEDIA_STATUS = 12; static final int WRITE_SETTINGS = 13; static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds // Delay time in millisecs static final int BROADCAST_DELAY = 10 * 1000; final private DefaultContainerConnection mDefContainerConn = new DefaultContainerConnection(); class DefaultContainerConnection implements ServiceConnection { public void onServiceConnected(ComponentName name, IBinder service) { if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); IMediaContainerService imcs = IMediaContainerService.Stub.asInterface(service); mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); } public void onServiceDisconnected(ComponentName name) { if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); } }; // Recordkeeping of restore-after-install operations that are currently in flight // between the Package Manager and the Backup Manager class PostInstallData { public InstallArgs args; public PackageInstalledInfo res; PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { args = _a; res = _r; } }; final SparseArray mRunningInstalls = new SparseArray(); int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows class PackageHandler extends Handler { private boolean mBound = false; final ArrayList mPendingInstalls = new ArrayList(); private boolean connectToService() { if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + " DefaultContainerService"); Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); if (mContext.bindService(service, mDefContainerConn, Context.BIND_AUTO_CREATE)) { Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); mBound = true; return true; } Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); return false; } private void disconnectService() { mContainerService = null; mBound = false; Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); mContext.unbindService(mDefContainerConn); Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); } PackageHandler(Looper looper) { super(looper); } public void handleMessage(Message msg) { try { doHandleMessage(msg); } finally { Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); } } void doHandleMessage(Message msg) { switch (msg.what) { case INIT_COPY: { if (DEBUG_SD_INSTALL) Log.i(TAG, "init_copy"); HandlerParams params = (HandlerParams) msg.obj; int idx = mPendingInstalls.size(); if (DEBUG_SD_INSTALL) Log.i(TAG, "idx=" + idx); // If a bind was already initiated we dont really // need to do anything. The pending install // will be processed later on. if (!mBound) { // If this is the only one pending we might // have to bind to the service again. if (!connectToService()) { Slog.e(TAG, "Failed to bind to media container service"); params.serviceError(); return; } else { // Once we bind to the service, the first // pending request will be processed. mPendingInstalls.add(idx, params); } } else { mPendingInstalls.add(idx, params); // Already bound to the service. Just make // sure we trigger off processing the first request. if (idx == 0) { mHandler.sendEmptyMessage(MCS_BOUND); } } break; } case MCS_BOUND: { if (DEBUG_SD_INSTALL) Log.i(TAG, "mcs_bound"); if (msg.obj != null) { mContainerService = (IMediaContainerService) msg.obj; } if (mContainerService == null) { // Something seriously wrong. Bail out Slog.e(TAG, "Cannot bind to media container service"); for (HandlerParams params : mPendingInstalls) { mPendingInstalls.remove(0); // Indicate service bind error params.serviceError(); } mPendingInstalls.clear(); } else if (mPendingInstalls.size() > 0) { HandlerParams params = mPendingInstalls.get(0); if (params != null) { params.startCopy(); } } else { // Should never happen ideally. Slog.w(TAG, "Empty queue"); } break; } case MCS_RECONNECT : { if (DEBUG_SD_INSTALL) Log.i(TAG, "mcs_reconnect"); if (mPendingInstalls.size() > 0) { if (mBound) { disconnectService(); } if (!connectToService()) { Slog.e(TAG, "Failed to bind to media container service"); for (HandlerParams params : mPendingInstalls) { mPendingInstalls.remove(0); // Indicate service bind error params.serviceError(); } mPendingInstalls.clear(); } } break; } case MCS_UNBIND : { if (DEBUG_SD_INSTALL) Log.i(TAG, "mcs_unbind"); // Delete pending install if (mPendingInstalls.size() > 0) { mPendingInstalls.remove(0); } if (mPendingInstalls.size() == 0) { if (mBound) { disconnectService(); } } else { // There are more pending requests in queue. // Just post MCS_BOUND message to trigger processing // of next pending install. mHandler.sendEmptyMessage(MCS_BOUND); } break; } case MCS_GIVE_UP: { if (DEBUG_SD_INSTALL) Log.i(TAG, "mcs_giveup too many retries"); HandlerParams params = mPendingInstalls.remove(0); break; } case SEND_PENDING_BROADCAST : { String packages[]; ArrayList components[]; int size = 0; int uids[]; Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); synchronized (mPackages) { if (mPendingBroadcasts == null) { return; } size = mPendingBroadcasts.size(); if (size <= 0) { // Nothing to be done. Just return return; } packages = new String[size]; components = new ArrayList[size]; uids = new int[size]; Iterator>> it = mPendingBroadcasts.entrySet().iterator(); int i = 0; while (it.hasNext() && i < size) { HashMap.Entry> ent = it.next(); packages[i] = ent.getKey(); components[i] = ent.getValue(); PackageSetting ps = mSettings.mPackages.get(ent.getKey()); uids[i] = (ps != null) ? ps.userId : -1; i++; } size = i; mPendingBroadcasts.clear(); } // Send broadcasts for (int i = 0; i < size; i++) { sendPackageChangedBroadcast(packages[i], true, (ArrayList)components[i], uids[i]); } Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); break; } case START_CLEANING_PACKAGE: { String packageName = (String)msg.obj; Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); synchronized (mPackages) { if (!mSettings.mPackagesToBeCleaned.contains(packageName)) { mSettings.mPackagesToBeCleaned.add(packageName); } } Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); startCleaningPackages(); } break; case POST_INSTALL: { if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); PostInstallData data = mRunningInstalls.get(msg.arg1); mRunningInstalls.delete(msg.arg1); boolean deleteOld = false; if (data != null) { InstallArgs args = data.args; PackageInstalledInfo res = data.res; if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { res.removedInfo.sendBroadcast(false, true); Bundle extras = new Bundle(1); extras.putInt(Intent.EXTRA_UID, res.uid); final boolean update = res.removedInfo.removedPackage != null; if (update) { extras.putBoolean(Intent.EXTRA_REPLACING, true); } sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, res.pkg.applicationInfo.packageName, extras, null); if (update) { sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, res.pkg.applicationInfo.packageName, extras, null); } if (res.removedInfo.args != null) { // Remove the replaced package's older resources safely now deleteOld = true; } } // Force a gc to clear up things Runtime.getRuntime().gc(); // We delete after a gc for applications on sdcard. if (deleteOld) { synchronized (mInstallLock) { res.removedInfo.args.doPostDeleteLI(true); } } if (args.observer != null) { try { args.observer.packageInstalled(res.name, res.returnCode); } catch (RemoteException e) { Slog.i(TAG, "Observer no longer exists."); } } } else { Slog.e(TAG, "Bogus post-install token " + msg.arg1); } } break; case UPDATED_MEDIA_STATUS: { if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); boolean reportStatus = msg.arg1 == 1; boolean doGc = msg.arg2 == 1; if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); if (doGc) { // Force a gc to clear up stale containers. Runtime.getRuntime().gc(); } if (msg.obj != null) { Set args = (Set) msg.obj; if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); // Unload containers unloadAllContainers(args); } if (reportStatus) { try { if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); PackageHelper.getMountService().finishMediaUpdate(); } catch (RemoteException e) { Log.e(TAG, "MountService not running?"); } } } break; case WRITE_SETTINGS: { Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); synchronized (mPackages) { removeMessages(WRITE_SETTINGS); mSettings.writeLP(); } Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); } break; } } } void scheduleWriteSettingsLocked() { if (!mHandler.hasMessages(WRITE_SETTINGS)) { mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); } } static boolean installOnSd(int flags) { if (((flags & PackageManager.INSTALL_FORWARD_LOCK) != 0) || ((flags & PackageManager.INSTALL_INTERNAL) != 0)) { return false; } if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { return true; } return false; } static boolean isFwdLocked(int flags) { if ((flags & PackageManager.INSTALL_FORWARD_LOCK) != 0) { return true; } return false; } public static final IPackageManager main(Context context, boolean factoryTest) { PackageManagerService m = new PackageManagerService(context, factoryTest); ServiceManager.addService("package", m); return m; } static String[] splitString(String str, char sep) { int count = 1; int i = 0; while ((i=str.indexOf(sep, i)) >= 0) { count++; i++; } String[] res = new String[count]; i=0; count = 0; int lastI=0; while ((i=str.indexOf(sep, i)) >= 0) { res[count] = str.substring(lastI, i); count++; i++; lastI = i; } res[count] = str.substring(lastI, str.length()); return res; } public PackageManagerService(Context context, boolean factoryTest) { EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, SystemClock.uptimeMillis()); if (mSdkVersion <= 0) { Slog.w(TAG, "**** ro.build.version.sdk not set!"); } mContext = context; mFactoryTest = factoryTest; mNoDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); mMetrics = new DisplayMetrics(); mSettings = new Settings(); mSettings.addSharedUserLP("android.uid.system", Process.SYSTEM_UID, ApplicationInfo.FLAG_SYSTEM); mSettings.addSharedUserLP("android.uid.phone", MULTIPLE_APPLICATION_UIDS ? RADIO_UID : FIRST_APPLICATION_UID, ApplicationInfo.FLAG_SYSTEM); mSettings.addSharedUserLP("android.uid.log", MULTIPLE_APPLICATION_UIDS ? LOG_UID : FIRST_APPLICATION_UID, ApplicationInfo.FLAG_SYSTEM); String separateProcesses = SystemProperties.get("debug.separate_processes"); if (separateProcesses != null && separateProcesses.length() > 0) { if ("*".equals(separateProcesses)) { mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; mSeparateProcesses = null; Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); } else { mDefParseFlags = 0; mSeparateProcesses = separateProcesses.split(","); Slog.w(TAG, "Running with debug.separate_processes: " + separateProcesses); } } else { mDefParseFlags = 0; mSeparateProcesses = null; } Installer installer = new Installer(); // Little hacky thing to check if installd is here, to determine // whether we are running on the simulator and thus need to take // care of building the /data file structure ourself. // (apparently the sim now has a working installer) if (installer.ping() && Process.supportsProcesses()) { mInstaller = installer; } else { mInstaller = null; } WindowManager wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE); Display d = wm.getDefaultDisplay(); d.getMetrics(mMetrics); synchronized (mInstallLock) { synchronized (mPackages) { mHandlerThread.start(); mHandler = new PackageHandler(mHandlerThread.getLooper()); File dataDir = Environment.getDataDirectory(); mAppDataDir = new File(dataDir, "data"); mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); if (mInstaller == null) { // Make sure these dirs exist, when we are running in // the simulator. // Make a wide-open directory for random misc stuff. File miscDir = new File(dataDir, "misc"); miscDir.mkdirs(); mAppDataDir.mkdirs(); mDrmAppPrivateInstallDir.mkdirs(); } readPermissions(); mRestoredSettings = mSettings.readLP(); long startTime = SystemClock.uptimeMillis(); EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, startTime); // Set flag to monitor and not change apk file paths when // scanning install directories. int scanMode = SCAN_MONITOR | SCAN_NO_PATHS; if (mNoDexOpt) { Slog.w(TAG, "Running ENG build: no pre-dexopt!"); scanMode |= SCAN_NO_DEX; } final HashSet libFiles = new HashSet(); mFrameworkDir = new File(Environment.getRootDirectory(), "framework"); mDalvikCacheDir = new File(dataDir, "dalvik-cache"); if (mInstaller != null) { boolean didDexOpt = false; /** * Out of paranoia, ensure that everything in the boot class * path has been dexed. */ String bootClassPath = System.getProperty("java.boot.class.path"); if (bootClassPath != null) { String[] paths = splitString(bootClassPath, ':'); for (int i=0; i 0) { Iterator libs = mSharedLibraries.values().iterator(); while (libs.hasNext()) { String lib = libs.next(); try { if (dalvik.system.DexFile.isDexOptNeeded(lib)) { libFiles.add(lib); mInstaller.dexopt(lib, Process.SYSTEM_UID, true); didDexOpt = true; } } catch (FileNotFoundException e) { Slog.w(TAG, "Library not found: " + lib); } catch (IOException e) { Slog.w(TAG, "Exception reading library: " + lib, e); } } } // Gross hack for now: we know this file doesn't contain any // code, so don't dexopt it to avoid the resulting log spew. libFiles.add(mFrameworkDir.getPath() + "/framework-res.apk"); /** * And there are a number of commands implemented in Java, which * we currently need to do the dexopt on so that they can be * run from a non-root shell. */ String[] frameworkFiles = mFrameworkDir.list(); if (frameworkFiles != null) { for (int i=0; i psit = mSettings.mPackages.values().iterator(); while (psit.hasNext()) { PackageSetting ps = psit.next(); if ((ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) != 0 && !mPackages.containsKey(ps.name) && !mSettings.mDisabledSysPackages.containsKey(ps.name)) { psit.remove(); String msg = "System package " + ps.name + " no longer exists; wiping its data"; reportSettingsProblem(Log.WARN, msg); if (mInstaller != null) { mInstaller.remove(ps.name); } } } mAppInstallDir = new File(dataDir, "app"); if (mInstaller == null) { // Make sure these dirs exist, when we are running in // the simulator. mAppInstallDir.mkdirs(); // scanDirLI() assumes this dir exists } //look for any incomplete package installations ArrayList deletePkgsList = mSettings.getListOfIncompleteInstallPackages(); //clean up list for(int i = 0; i < deletePkgsList.size(); i++) { //clean up here cleanupInstallFailedPackage(deletePkgsList.get(i)); } //delete tmp files deleteTempPackageFiles(); EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, SystemClock.uptimeMillis()); mAppInstallObserver = new AppDirObserver( mAppInstallDir.getPath(), OBSERVER_EVENTS, false); mAppInstallObserver.startWatching(); scanDirLI(mAppInstallDir, 0, scanMode); mDrmAppInstallObserver = new AppDirObserver( mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false); mDrmAppInstallObserver.startWatching(); scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, scanMode); EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, SystemClock.uptimeMillis()); Slog.i(TAG, "Time to scan packages: " + ((SystemClock.uptimeMillis()-startTime)/1000f) + " seconds"); // If the platform SDK has changed since the last time we booted, // we need to re-grant app permission to catch any new ones that // appear. This is really a hack, and means that apps can in some // cases get permissions that the user didn't initially explicitly // allow... it would be nice to have some better way to handle // this situation. final boolean regrantPermissions = mSettings.mInternalSdkPlatform != mSdkVersion; if (regrantPermissions) Slog.i(TAG, "Platform changed from " + mSettings.mInternalSdkPlatform + " to " + mSdkVersion + "; regranting permissions for internal storage"); mSettings.mInternalSdkPlatform = mSdkVersion; updatePermissionsLP(null, null, true, regrantPermissions, regrantPermissions); mSettings.writeLP(); EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, SystemClock.uptimeMillis()); // Now after opening every single application zip, make sure they // are all flushed. Not really needed, but keeps things nice and // tidy. Runtime.getRuntime().gc(); } // synchronized (mPackages) } // synchronized (mInstallLock) } @Override public boolean onTransact(int code, Parcel data, Parcel reply, int flags) throws RemoteException { try { return super.onTransact(code, data, reply, flags); } catch (RuntimeException e) { if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { Slog.e(TAG, "Package Manager Crash", e); } throw e; } } void cleanupInstallFailedPackage(PackageSetting ps) { Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); if (mInstaller != null) { int retCode = mInstaller.remove(ps.name); if (retCode < 0) { Slog.w(TAG, "Couldn't remove app data directory for package: " + ps.name + ", retcode=" + retCode); } } else { //for emulator PackageParser.Package pkg = mPackages.get(ps.name); File dataDir = new File(pkg.applicationInfo.dataDir); dataDir.delete(); } if (ps.codePath != null) { if (!ps.codePath.delete()) { Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); } } if (ps.resourcePath != null) { if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); } } mSettings.removePackageLP(ps.name); } void readPermissions() { // Read permissions from .../etc/permission directory. File libraryDir = new File(Environment.getRootDirectory(), "etc/permissions"); if (!libraryDir.exists() || !libraryDir.isDirectory()) { Slog.w(TAG, "No directory " + libraryDir + ", skipping"); return; } if (!libraryDir.canRead()) { Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); return; } // Iterate over the files in the directory and scan .xml files for (File f : libraryDir.listFiles()) { // We'll read platform.xml last if (f.getPath().endsWith("etc/permissions/platform.xml")) { continue; } if (!f.getPath().endsWith(".xml")) { Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); continue; } if (!f.canRead()) { Slog.w(TAG, "Permissions library file " + f + " cannot be read"); continue; } readPermissionsFromXml(f); } // Read permissions from .../etc/permissions/platform.xml last so it will take precedence final File permFile = new File(Environment.getRootDirectory(), "etc/permissions/platform.xml"); readPermissionsFromXml(permFile); StringBuilder sb = new StringBuilder(128); sb.append("Libs:"); Iterator it = mSharedLibraries.keySet().iterator(); while (it.hasNext()) { sb.append(' '); String name = it.next(); sb.append(name); sb.append(':'); sb.append(mSharedLibraries.get(name)); } Log.i(TAG, sb.toString()); sb.setLength(0); sb.append("Features:"); it = mAvailableFeatures.keySet().iterator(); while (it.hasNext()) { sb.append(' '); sb.append(it.next()); } Log.i(TAG, sb.toString()); } 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, " 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, " 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, " without name at " + parser.getPositionDescription()); XmlUtils.skipCurrentTag(parser); continue; } String uidStr = parser.getAttributeValue(null, "uid"); if (uidStr == null) { Slog.w(TAG, " without uid at " + parser.getPositionDescription()); XmlUtils.skipCurrentTag(parser); continue; } int uid = Process.getUidForName(uidStr); if (uid < 0) { Slog.w(TAG, " with unknown uid \"" + uidStr + "\" at " + parser.getPositionDescription()); XmlUtils.skipCurrentTag(parser); continue; } perm = perm.intern(); HashSet perms = mSystemPermissions.get(uid); if (perms == null) { perms = new HashSet(); 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, " without name at " + parser.getPositionDescription()); } else if (lfile == null) { Slog.w(TAG, " 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, " without name at " + parser.getPositionDescription()); } else { //Log.i(TAG, "Got feature " + fname); FeatureInfo fi = new FeatureInfo(); fi.name = fname; mAvailableFeatures.put(fname, fi); } XmlUtils.skipCurrentTag(parser); continue; } else { XmlUtils.skipCurrentTag(parser); continue; } } } catch (XmlPullParserException e) { Slog.w(TAG, "Got execption parsing permissions.", e); } catch (IOException e) { Slog.w(TAG, "Got execption parsing permissions.", e); } } void readPermission(XmlPullParser parser, String name) throws IOException, XmlPullParserException { name = name.intern(); BasePermission bp = mSettings.mPermissions.get(name); if (bp == null) { bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); mSettings.mPermissions.put(name, bp); } int outerDepth = parser.getDepth(); int type; while ((type=parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { continue; } String tagName = parser.getName(); if ("group".equals(tagName)) { String gidStr = parser.getAttributeValue(null, "gid"); if (gidStr != null) { int gid = Process.getGidForName(gidStr); bp.gids = appendInt(bp.gids, gid); } else { Slog.w(TAG, " without gid at " + parser.getPositionDescription()); } } XmlUtils.skipCurrentTag(parser); } } static int[] appendInt(int[] cur, int val) { if (cur == null) { return new int[] { val }; } final int N = cur.length; for (int i=0; i 0) { System.arraycopy(cur, 0, ret, 0, i); } if (i < (N-1)) { System.arraycopy(cur, i + 1, ret, i, N - i - 1); } return ret; } } return cur; } static int[] removeInts(int[] cur, int[] rem) { if (rem == null) return cur; if (cur == null) return cur; final int N = rem.length; for (int i=0; i=0; i--) { PackageSetting ps = mSettings.mPackages.get(names[i]); out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; } } return out; } public String[] canonicalToCurrentPackageNames(String[] names) { String[] out = new String[names.length]; synchronized (mPackages) { for (int i=names.length-1; i>=0; i--) { String cur = mSettings.mRenamedPackages.get(names[i]); out[i] = cur != null ? cur : names[i]; } } return out; } public int getPackageUid(String packageName) { synchronized (mPackages) { PackageParser.Package p = mPackages.get(packageName); if(p != null) { return p.applicationInfo.uid; } PackageSetting ps = mSettings.mPackages.get(packageName); if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { return -1; } p = ps.pkg; return p != null ? p.applicationInfo.uid : -1; } } public int[] getPackageGids(String packageName) { synchronized (mPackages) { PackageParser.Package p = mPackages.get(packageName); if (Config.LOGV) Log.v( TAG, "getPackageGids" + packageName + ": " + p); if (p != null) { final PackageSetting ps = (PackageSetting)p.mExtras; final SharedUserSetting suid = ps.sharedUser; return suid != null ? suid.gids : ps.gids; } } // stupid thing to indicate an error. return new int[0]; } static final PermissionInfo generatePermissionInfo( BasePermission bp, int flags) { if (bp.perm != null) { return PackageParser.generatePermissionInfo(bp.perm, flags); } PermissionInfo pi = new PermissionInfo(); pi.name = bp.name; pi.packageName = bp.sourcePackage; pi.nonLocalizedLabel = bp.name; pi.protectionLevel = bp.protectionLevel; return pi; } public PermissionInfo getPermissionInfo(String name, int flags) { synchronized (mPackages) { final BasePermission p = mSettings.mPermissions.get(name); if (p != null) { return generatePermissionInfo(p, flags); } return null; } } public List queryPermissionsByGroup(String group, int flags) { synchronized (mPackages) { ArrayList out = new ArrayList(10); for (BasePermission p : mSettings.mPermissions.values()) { if (group == null) { if (p.perm == null || p.perm.info.group == null) { out.add(generatePermissionInfo(p, flags)); } } else { if (p.perm != null && group.equals(p.perm.info.group)) { out.add(PackageParser.generatePermissionInfo(p.perm, flags)); } } } if (out.size() > 0) { return out; } return mPermissionGroups.containsKey(group) ? out : null; } } public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { synchronized (mPackages) { return PackageParser.generatePermissionGroupInfo( mPermissionGroups.get(name), flags); } } public List getAllPermissionGroups(int flags) { synchronized (mPackages) { final int N = mPermissionGroups.size(); ArrayList out = new ArrayList(N); for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); } return out; } } private ApplicationInfo generateApplicationInfoFromSettingsLP(String packageName, int flags) { PackageSetting ps = mSettings.mPackages.get(packageName); if(ps != null) { if(ps.pkg == null) { PackageInfo pInfo = generatePackageInfoFromSettingsLP(packageName, flags); if(pInfo != null) { return pInfo.applicationInfo; } return null; } return PackageParser.generateApplicationInfo(ps.pkg, flags); } return null; } private PackageInfo generatePackageInfoFromSettingsLP(String packageName, int flags) { PackageSetting ps = mSettings.mPackages.get(packageName); if(ps != null) { if(ps.pkg == null) { ps.pkg = new PackageParser.Package(packageName); ps.pkg.applicationInfo.packageName = packageName; ps.pkg.applicationInfo.flags = ps.pkgFlags; ps.pkg.applicationInfo.publicSourceDir = ps.resourcePathString; ps.pkg.applicationInfo.sourceDir = ps.codePathString; ps.pkg.applicationInfo.dataDir = getDataPathForPackage(ps.pkg).getPath(); } return generatePackageInfo(ps.pkg, flags); } return null; } public ApplicationInfo getApplicationInfo(String packageName, int flags) { synchronized (mPackages) { PackageParser.Package p = mPackages.get(packageName); if (Config.LOGV) Log.v( TAG, "getApplicationInfo " + packageName + ": " + p); if (p != null) { // Note: isEnabledLP() does not apply here - always return info return PackageParser.generateApplicationInfo(p, flags); } if ("android".equals(packageName)||"system".equals(packageName)) { return mAndroidApplication; } if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { return generateApplicationInfoFromSettingsLP(packageName, flags); } } return null; } public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.CLEAR_APP_CACHE, null); // Queue up an async operation since clearing cache may take a little while. mHandler.post(new Runnable() { public void run() { mHandler.removeCallbacks(this); int retCode = -1; if (mInstaller != null) { retCode = mInstaller.freeCache(freeStorageSize); if (retCode < 0) { Slog.w(TAG, "Couldn't clear application caches"); } } //end if mInstaller if (observer != null) { try { observer.onRemoveCompleted(null, (retCode >= 0)); } catch (RemoteException e) { Slog.w(TAG, "RemoveException when invoking call back"); } } } }); } public void freeStorage(final long freeStorageSize, final IntentSender pi) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.CLEAR_APP_CACHE, null); // Queue up an async operation since clearing cache may take a little while. mHandler.post(new Runnable() { public void run() { mHandler.removeCallbacks(this); int retCode = -1; if (mInstaller != null) { retCode = mInstaller.freeCache(freeStorageSize); if (retCode < 0) { Slog.w(TAG, "Couldn't clear application caches"); } } if(pi != null) { try { // Callback via pending intent int code = (retCode >= 0) ? 1 : 0; pi.sendIntent(null, code, null, null, null); } catch (SendIntentException e1) { Slog.i(TAG, "Failed to send pending intent"); } } } }); } public ActivityInfo getActivityInfo(ComponentName component, int flags) { synchronized (mPackages) { PackageParser.Activity a = mActivities.mActivities.get(component); if (Config.LOGV) Log.v(TAG, "getActivityInfo " + component + ": " + a); if (a != null && mSettings.isEnabledLP(a.info, flags)) { return PackageParser.generateActivityInfo(a, flags); } if (mResolveComponentName.equals(component)) { return mResolveActivity; } } return null; } public ActivityInfo getReceiverInfo(ComponentName component, int flags) { synchronized (mPackages) { PackageParser.Activity a = mReceivers.mActivities.get(component); if (Config.LOGV) Log.v( TAG, "getReceiverInfo " + component + ": " + a); if (a != null && mSettings.isEnabledLP(a.info, flags)) { return PackageParser.generateActivityInfo(a, flags); } } return null; } public ServiceInfo getServiceInfo(ComponentName component, int flags) { synchronized (mPackages) { PackageParser.Service s = mServices.mServices.get(component); if (Config.LOGV) Log.v( TAG, "getServiceInfo " + component + ": " + s); if (s != null && mSettings.isEnabledLP(s.info, flags)) { return PackageParser.generateServiceInfo(s, flags); } } return null; } public String[] getSystemSharedLibraryNames() { Set 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 featSet; synchronized (mPackages) { featSet = mAvailableFeatures.values(); int size = featSet.size(); if (size > 0) { FeatureInfo[] features = new FeatureInfo[size+1]; featSet.toArray(features); FeatureInfo fi = new FeatureInfo(); fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", FeatureInfo.GL_ES_VERSION_UNDEFINED); features[size] = fi; return features; } } return null; } public boolean hasSystemFeature(String name) { synchronized (mPackages) { return mAvailableFeatures.containsKey(name); } } public int checkPermission(String permName, String pkgName) { synchronized (mPackages) { PackageParser.Package p = mPackages.get(pkgName); if (p != null && p.mExtras != null) { PackageSetting ps = (PackageSetting)p.mExtras; if (ps.sharedUser != null) { if (ps.sharedUser.grantedPermissions.contains(permName)) { return PackageManager.PERMISSION_GRANTED; } } else if (ps.grantedPermissions.contains(permName)) { return PackageManager.PERMISSION_GRANTED; } } } return PackageManager.PERMISSION_DENIED; } public int checkUidPermission(String permName, int uid) { synchronized (mPackages) { Object obj = mSettings.getUserIdLP(uid); if (obj != null) { GrantedPermissions gp = (GrantedPermissions)obj; if (gp.grantedPermissions.contains(permName)) { return PackageManager.PERMISSION_GRANTED; } } else { HashSet perms = mSystemPermissions.get(uid); if (perms != null && perms.contains(permName)) { return PackageManager.PERMISSION_GRANTED; } } } return PackageManager.PERMISSION_DENIED; } private BasePermission findPermissionTreeLP(String permName) { for(BasePermission bp : mSettings.mPermissionTrees.values()) { if (permName.startsWith(bp.name) && permName.length() > bp.name.length() && permName.charAt(bp.name.length()) == '.') { return bp; } } return null; } private BasePermission checkPermissionTreeLP(String permName) { if (permName != null) { BasePermission bp = findPermissionTreeLP(permName); if (bp != null) { if (bp.uid == Binder.getCallingUid()) { return bp; } throw new SecurityException("Calling uid " + Binder.getCallingUid() + " is not allowed to add to permission tree " + bp.name + " owned by uid " + bp.uid); } } throw new SecurityException("No permission tree found for " + permName); } static boolean compareStrings(CharSequence s1, CharSequence s2) { if (s1 == null) { return s2 == null; } if (s2 == null) { return false; } if (s1.getClass() != s2.getClass()) { return false; } return s1.equals(s2); } static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { if (pi1.icon != pi2.icon) return false; if (pi1.protectionLevel != pi2.protectionLevel) return false; if (!compareStrings(pi1.name, pi2.name)) return false; if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; // We'll take care of setting this one. if (!compareStrings(pi1.packageName, pi2.packageName)) return false; // These are not currently stored in settings. //if (!compareStrings(pi1.group, pi2.group)) return false; //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; //if (pi1.labelRes != pi2.labelRes) return false; //if (pi1.descriptionRes != pi2.descriptionRes) return false; return true; } boolean addPermissionLocked(PermissionInfo info, boolean async) { if (info.labelRes == 0 && info.nonLocalizedLabel == null) { throw new SecurityException("Label must be specified in permission"); } BasePermission tree = checkPermissionTreeLP(info.name); BasePermission bp = mSettings.mPermissions.get(info.name); boolean added = bp == null; boolean changed = true; if (added) { bp = new BasePermission(info.name, tree.sourcePackage, BasePermission.TYPE_DYNAMIC); } else if (bp.type != BasePermission.TYPE_DYNAMIC) { throw new SecurityException( "Not allowed to modify non-dynamic permission " + info.name); } else { if (bp.protectionLevel == info.protectionLevel && bp.perm.owner.equals(tree.perm.owner) && bp.uid == tree.uid && comparePermissionInfos(bp.perm.info, info)) { changed = false; } } bp.protectionLevel = info.protectionLevel; bp.perm = new PackageParser.Permission(tree.perm.owner, new PermissionInfo(info)); bp.perm.info.packageName = tree.perm.info.packageName; bp.uid = tree.uid; if (added) { mSettings.mPermissions.put(info.name, bp); } if (changed) { if (!async) { mSettings.writeLP(); } else { scheduleWriteSettingsLocked(); } } return added; } public boolean addPermission(PermissionInfo info) { synchronized (mPackages) { return addPermissionLocked(info, false); } } public boolean addPermissionAsync(PermissionInfo info) { synchronized (mPackages) { return addPermissionLocked(info, true); } } public void removePermission(String name) { synchronized (mPackages) { checkPermissionTreeLP(name); BasePermission bp = mSettings.mPermissions.get(name); if (bp != null) { if (bp.type != BasePermission.TYPE_DYNAMIC) { throw new SecurityException( "Not allowed to modify non-dynamic permission " + name); } mSettings.mPermissions.remove(name); mSettings.writeLP(); } } } public boolean isProtectedBroadcast(String actionName) { synchronized (mPackages) { return mProtectedBroadcasts.contains(actionName); } } public int checkSignatures(String pkg1, String pkg2) { synchronized (mPackages) { PackageParser.Package p1 = mPackages.get(pkg1); PackageParser.Package p2 = mPackages.get(pkg2); if (p1 == null || p1.mExtras == null || p2 == null || p2.mExtras == null) { return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; } return checkSignaturesLP(p1.mSignatures, p2.mSignatures); } } public int checkUidSignatures(int uid1, int uid2) { synchronized (mPackages) { Signature[] s1; Signature[] s2; Object obj = mSettings.getUserIdLP(uid1); if (obj != null) { if (obj instanceof SharedUserSetting) { s1 = ((SharedUserSetting)obj).signatures.mSignatures; } else if (obj instanceof PackageSetting) { s1 = ((PackageSetting)obj).signatures.mSignatures; } else { return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; } } else { return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; } obj = mSettings.getUserIdLP(uid2); if (obj != null) { if (obj instanceof SharedUserSetting) { s2 = ((SharedUserSetting)obj).signatures.mSignatures; } else if (obj instanceof PackageSetting) { s2 = ((PackageSetting)obj).signatures.mSignatures; } else { return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; } } else { return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; } return checkSignaturesLP(s1, s2); } } int checkSignaturesLP(Signature[] s1, Signature[] s2) { if (s1 == null) { return s2 == null ? PackageManager.SIGNATURE_NEITHER_SIGNED : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; } if (s2 == null) { return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; } HashSet set1 = new HashSet(); for (Signature sig : s1) { set1.add(sig); } HashSet set2 = new HashSet(); for (Signature sig : s2) { set2.add(sig); } // Make sure s2 contains all signatures in s1. if (set1.equals(set2)) { return PackageManager.SIGNATURE_MATCH; } return PackageManager.SIGNATURE_NO_MATCH; } public String[] getPackagesForUid(int uid) { synchronized (mPackages) { Object obj = mSettings.getUserIdLP(uid); if (obj instanceof SharedUserSetting) { SharedUserSetting sus = (SharedUserSetting)obj; final int N = sus.packages.size(); String[] res = new String[N]; Iterator it = sus.packages.iterator(); int i=0; while (it.hasNext()) { res[i++] = it.next().name; } return res; } else if (obj instanceof PackageSetting) { PackageSetting ps = (PackageSetting)obj; return new String[] { ps.name }; } } return null; } public String getNameForUid(int uid) { synchronized (mPackages) { Object obj = mSettings.getUserIdLP(uid); if (obj instanceof SharedUserSetting) { SharedUserSetting sus = (SharedUserSetting)obj; return sus.name + ":" + sus.userId; } else if (obj instanceof PackageSetting) { PackageSetting ps = (PackageSetting)obj; return ps.name; } } return null; } public int getUidForSharedUser(String sharedUserName) { if(sharedUserName == null) { return -1; } synchronized (mPackages) { SharedUserSetting suid = mSettings.getSharedUserLP(sharedUserName, 0, false); if(suid == null) { return -1; } return suid.userId; } } public ResolveInfo resolveIntent(Intent intent, String resolvedType, int flags) { List query = queryIntentActivities(intent, resolvedType, flags); return chooseBestActivity(intent, resolvedType, flags, query); } private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, int flags, List query) { if (query != null) { final int N = query.size(); if (N == 1) { return query.get(0); } else if (N > 1) { // If there is more than one activity with the same priority, // then let the user decide between them. ResolveInfo r0 = query.get(0); ResolveInfo r1 = query.get(1); if (false) { System.out.println(r0.activityInfo.name + "=" + r0.priority + " vs " + r1.activityInfo.name + "=" + r1.priority); } // If the first activity has a higher priority, or a different // default, then it is always desireable to pick it. if (r0.priority != r1.priority || r0.preferredOrder != r1.preferredOrder || r0.isDefault != r1.isDefault) { return query.get(0); } // If we have saved a preference for a preferred activity for // this Intent, use that. ResolveInfo ri = findPreferredActivity(intent, resolvedType, flags, query, r0.priority); if (ri != null) { return ri; } return mResolveInfo; } } return null; } ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, List query, int priority) { synchronized (mPackages) { if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); List prefs = mSettings.mPreferredActivities.queryIntent(intent, resolvedType, (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0); if (prefs != null && prefs.size() > 0) { // First figure out how good the original match set is. // We will only allow preferred activities that came // from the same match quality. int match = 0; final int N = query.size(); if (DEBUG_PREFERRED) Log.v(TAG, "Figuring out best match..."); for (int j=0; j 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 queryIntentActivities(Intent intent, String resolvedType, int flags) { ComponentName comp = intent.getComponent(); if (comp != null) { List list = new ArrayList(1); ActivityInfo ai = getActivityInfo(comp, flags); if (ai != null) { ResolveInfo ri = new ResolveInfo(); ri.activityInfo = ai; list.add(ri); } return list; } synchronized (mPackages) { String pkgName = intent.getPackage(); if (pkgName == null) { return (List)mActivities.queryIntent(intent, resolvedType, flags); } PackageParser.Package pkg = mPackages.get(pkgName); if (pkg != null) { return (List) mActivities.queryIntentForPackage(intent, resolvedType, flags, pkg.activities); } return null; } } public List queryIntentActivityOptions(ComponentName caller, Intent[] specifics, String[] specificTypes, Intent intent, String resolvedType, int flags) { final String resultsAction = intent.getAction(); List results = queryIntentActivities( intent, resolvedType, flags|PackageManager.GET_RESOLVED_FILTER); if (Config.LOGV) Log.v(TAG, "Query " + intent + ": " + results); int specificsPos = 0; int N; // todo: note that the algorithm used here is O(N^2). This // isn't a problem in our current environment, but if we start running // into situations where we have more than 5 or 10 matches then this // should probably be changed to something smarter... // First we go through and resolve each of the specific items // that were supplied, taking care of removing any corresponding // duplicate items in the generic resolve list. if (specifics != null) { for (int i=0; i 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 queryIntentReceivers(Intent intent, String resolvedType, int flags) { ComponentName comp = intent.getComponent(); if (comp != null) { List list = new ArrayList(1); ActivityInfo ai = getReceiverInfo(comp, flags); if (ai != null) { ResolveInfo ri = new ResolveInfo(); ri.activityInfo = ai; list.add(ri); } return list; } synchronized (mPackages) { String pkgName = intent.getPackage(); if (pkgName == null) { return (List)mReceivers.queryIntent(intent, resolvedType, flags); } PackageParser.Package pkg = mPackages.get(pkgName); if (pkg != null) { return (List) mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers); } return null; } } public ResolveInfo resolveService(Intent intent, String resolvedType, int flags) { List query = queryIntentServices(intent, resolvedType, flags); if (query != null) { if (query.size() >= 1) { // If there is more than one service with the same priority, // just arbitrarily pick the first one. return query.get(0); } } return null; } public List queryIntentServices(Intent intent, String resolvedType, int flags) { ComponentName comp = intent.getComponent(); if (comp != null) { List list = new ArrayList(1); ServiceInfo si = getServiceInfo(comp, flags); if (si != null) { ResolveInfo ri = new ResolveInfo(); ri.serviceInfo = si; list.add(ri); } return list; } synchronized (mPackages) { String pkgName = intent.getPackage(); if (pkgName == null) { return (List)mServices.queryIntent(intent, resolvedType, flags); } PackageParser.Package pkg = mPackages.get(pkgName); if (pkg != null) { return (List)mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services); } return null; } } public List getInstalledPackages(int flags) { ArrayList finalList = new ArrayList(); synchronized (mPackages) { if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { Iterator i = mSettings.mPackages.values().iterator(); while (i.hasNext()) { final PackageSetting ps = i.next(); PackageInfo psPkg = generatePackageInfoFromSettingsLP(ps.name, flags); if(psPkg != null) { finalList.add(psPkg); } } } else { Iterator i = mPackages.values().iterator(); while (i.hasNext()) { final PackageParser.Package p = i.next(); if (p.applicationInfo != null) { PackageInfo pi = generatePackageInfo(p, flags); if(pi != null) { finalList.add(pi); } } } } } return finalList; } public List getInstalledApplications(int flags) { ArrayList finalList = new ArrayList(); synchronized(mPackages) { if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { Iterator i = mSettings.mPackages.values().iterator(); while (i.hasNext()) { final PackageSetting ps = i.next(); ApplicationInfo ai = generateApplicationInfoFromSettingsLP(ps.name, flags); if(ai != null) { finalList.add(ai); } } } else { Iterator i = mPackages.values().iterator(); while (i.hasNext()) { final PackageParser.Package p = i.next(); if (p.applicationInfo != null) { ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags); if(ai != null) { finalList.add(ai); } } } } } return finalList; } public List getPersistentApplications(int flags) { ArrayList finalList = new ArrayList(); synchronized (mPackages) { Iterator i = mPackages.values().iterator(); while (i.hasNext()) { PackageParser.Package p = i.next(); if (p.applicationInfo != null && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 && (!mSafeMode || (p.applicationInfo.flags &ApplicationInfo.FLAG_SYSTEM) != 0)) { finalList.add(p.applicationInfo); } } } return finalList; } public ProviderInfo resolveContentProvider(String name, int flags) { synchronized (mPackages) { final PackageParser.Provider provider = mProviders.get(name); return provider != null && mSettings.isEnabledLP(provider.info, flags) && (!mSafeMode || (provider.info.applicationInfo.flags &ApplicationInfo.FLAG_SYSTEM) != 0) ? PackageParser.generateProviderInfo(provider, flags) : null; } } /** * @deprecated */ public void querySyncProviders(List outNames, List outInfo) { synchronized (mPackages) { Iterator> i = mProviders.entrySet().iterator(); while (i.hasNext()) { Map.Entry entry = i.next(); PackageParser.Provider p = entry.getValue(); if (p.syncable && (!mSafeMode || (p.info.applicationInfo.flags &ApplicationInfo.FLAG_SYSTEM) != 0)) { outNames.add(entry.getKey()); outInfo.add(PackageParser.generateProviderInfo(p, 0)); } } } } public List queryContentProviders(String processName, int uid, int flags) { ArrayList finalList = null; synchronized (mPackages) { Iterator i = mProvidersByComponent.values().iterator(); while (i.hasNext()) { PackageParser.Provider p = i.next(); if (p.info.authority != null && (processName == null || (p.info.processName.equals(processName) && p.info.applicationInfo.uid == uid)) && mSettings.isEnabledLP(p.info, flags) && (!mSafeMode || (p.info.applicationInfo.flags &ApplicationInfo.FLAG_SYSTEM) != 0)) { if (finalList == null) { finalList = new ArrayList(3); } finalList.add(PackageParser.generateProviderInfo(p, flags)); } } } if (finalList != null) { Collections.sort(finalList, mProviderInitOrderSorter); } return finalList; } public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { synchronized (mPackages) { final PackageParser.Instrumentation i = mInstrumentation.get(name); return PackageParser.generateInstrumentationInfo(i, flags); } } public List queryInstrumentation(String targetPackage, int flags) { ArrayList finalList = new ArrayList(); synchronized (mPackages) { Iterator i = mInstrumentation.values().iterator(); while (i.hasNext()) { PackageParser.Instrumentation p = i.next(); if (targetPackage == null || targetPackage.equals(p.info.targetPackage)) { finalList.add(PackageParser.generateInstrumentationInfo(p, flags)); } } } return finalList; } private void scanDirLI(File dir, int flags, int scanMode) { Log.d(TAG, "Scanning app dir " + dir); String[] files = dir.list(); int i; for (i=0; i 0) { pkg.usesLibraryFiles = new String[num]; System.arraycopy(mTmpSharedLibraries, 0, pkg.usesLibraryFiles, 0, num); } if (pkg.reqFeatures != null) { N = pkg.reqFeatures.size(); for (int i=0; i=0; i--) { if ((origPackage=mSettings.peekPackageLP( pkg.mOriginalPackages.get(i))) != null) { // We do have the package already installed under its // original name... should we use it? if (!verifyPackageUpdate(origPackage, pkg)) { // New package is not compatible with original. origPackage = null; continue; } else if (origPackage.sharedUser != null) { // Make sure uid is compatible between packages. if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { Slog.w(TAG, "Unable to migrate data from " + origPackage.name + " to " + pkg.packageName + ": old uid " + origPackage.sharedUser.name + " differs from " + pkg.mSharedUserId); origPackage = null; continue; } } else { if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " + pkg.packageName + " to old name " + origPackage.name); } break; } } } } if (mTransferedPackages.contains(pkg.packageName)) { Slog.w(TAG, "Package " + pkg.packageName + " was transferred to another, but its .apk remains"); } // Just create the setting, don't add it yet. For already existing packages // the PkgSetting exists already and doesn't have to be created. pkgSetting = mSettings.getPackageLP(pkg, origPackage, realName, suid, destCodeFile, destResourceFile, pkg.applicationInfo.flags, true, false); if (pkgSetting == null) { Slog.w(TAG, "Creating application package " + pkg.packageName + " failed"); mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; return null; } if (pkgSetting.origPackage != null) { // If we are first transitioning from an original package, // fix up the new package's name now. We need to do this after // looking up the package under its new name, so getPackageLP // can take care of fiddling things correctly. pkg.setPackageName(origPackage.name); // File a report about this. String msg = "New package " + pkgSetting.realName + " renamed to replace old package " + pkgSetting.name; reportSettingsProblem(Log.WARN, msg); // Make a note of it. mTransferedPackages.add(origPackage.name); // No longer need to retain this. pkgSetting.origPackage = null; } if (realName != null) { // Make a note of it. mTransferedPackages.add(pkg.packageName); } if (mSettings.mDisabledSysPackages.get(pkg.packageName) != null) { pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; } pkg.applicationInfo.uid = pkgSetting.userId; pkg.mExtras = pkgSetting; if (!verifySignaturesLP(pkgSetting, pkg)) { if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { return null; } // The signature has changed, but this package is in the system // image... let's recover! pkgSetting.signatures.mSignatures = pkg.mSignatures; // However... if this package is part of a shared user, but it // doesn't match the signature of the shared user, let's fail. // What this means is that you can't change the signatures // associated with an overall shared user, which doesn't seem all // that unreasonable. if (pkgSetting.sharedUser != null) { if (checkSignaturesLP(pkgSetting.sharedUser.signatures.mSignatures, pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; return null; } } // File a report about this. String msg = "System package " + pkg.packageName + " signature changed; retaining data."; reportSettingsProblem(Log.WARN, msg); } // Verify that this new package doesn't have any content providers // that conflict with existing packages. Only do this if the // package isn't already installed, since we don't want to break // things that are installed. if ((scanMode&SCAN_NEW_INSTALL) != 0) { int N = pkg.providers.size(); int i; for (i=0; i=0; i--) { String origName = pkg.mAdoptPermissions.get(i); PackageSetting orig = mSettings.peekPackageLP(origName); if (orig != null) { if (verifyPackageUpdate(orig, pkg)) { Slog.i(TAG, "Adopting permissions from " + origName + " to " + pkg.packageName); mSettings.transferPermissions(origName, pkg.packageName); } } } } long scanFileTime = scanFile.lastModified(); final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; final boolean scanFileNewer = forceDex || scanFileTime != pkgSetting.getTimeStamp(); 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); boolean uidError = false; if (dataPath.exists()) { mOutPermissions[1] = 0; FileUtils.getPermissions(dataPath.getPath(), mOutPermissions); if (mOutPermissions[1] == pkg.applicationInfo.uid || !Process.supportsProcesses()) { pkg.applicationInfo.dataDir = dataPath.getPath(); } else { boolean recovered = false; if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { // If this is a system app, we can at least delete its // current data so the application will still work. if (mInstaller != null) { int ret = mInstaller.remove(pkgName); if (ret >= 0) { // Old data gone! String msg = "System package " + pkg.packageName + " has changed from uid: " + mOutPermissions[1] + " to " + pkg.applicationInfo.uid + "; old data erased"; reportSettingsProblem(Log.WARN, msg); recovered = true; // And now re-install the app. ret = mInstaller.install(pkgName, pkg.applicationInfo.uid, pkg.applicationInfo.uid); if (ret == -1) { // Ack should not happen! msg = "System package " + pkg.packageName + " could not have data directory re-created after delete."; reportSettingsProblem(Log.WARN, msg); mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; return null; } } } if (!recovered) { mHasSystemUidErrors = true; } } if (!recovered) { pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" + pkg.applicationInfo.uid + "/fs_" + mOutPermissions[1]; String msg = "Package " + pkg.packageName + " has mismatched uid: " + mOutPermissions[1] + " on disk, " + pkg.applicationInfo.uid + " in settings"; synchronized (mPackages) { mSettings.mReadMessages.append(msg); mSettings.mReadMessages.append('\n'); uidError = true; if (!pkgSetting.uidError) { reportSettingsProblem(Log.ERROR, msg); } } } } pkg.applicationInfo.dataDir = dataPath.getPath(); } else { if ((parseFlags&PackageParser.PARSE_CHATTY) != 0 && Config.LOGV) Log.v(TAG, "Want this data dir: " + dataPath); //invoke installer to do the actual installation if (mInstaller != null) { int ret = mInstaller.install(pkgName, pkg.applicationInfo.uid, pkg.applicationInfo.uid); if(ret < 0) { // Error from installer mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; return null; } } else { dataPath.mkdirs(); if (dataPath.exists()) { FileUtils.setPermissions( dataPath.toString(), FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IXOTH, pkg.applicationInfo.uid, pkg.applicationInfo.uid); } } if (dataPath.exists()) { pkg.applicationInfo.dataDir = dataPath.getPath(); } else { Slog.w(TAG, "Unable to create data directory: " + dataPath); pkg.applicationInfo.dataDir = null; } } pkgSetting.uidError = uidError; } // Perform shared library installation and dex validation and // optimization, if this is not a system app. if (mInstaller != null) { String path = scanFile.getPath(); if (scanFileNewer) { // 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). // // In other words, we're going to unpack the binaries // only for non-system apps and system app upgrades. // int flags = pkg.applicationInfo.flags; if ((flags & ApplicationInfo.FLAG_SYSTEM) == 0 || (flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0) { Log.i(TAG, path + " changed; unpacking"); int err = cachePackageSharedLibsLI(pkg, scanFile); if (err != PackageManager.INSTALL_SUCCEEDED) { mLastScanError = err; return null; } } } pkg.mScanPath = path; if ((scanMode&SCAN_NO_DEX) == 0) { if (performDexOptLI(pkg, forceDex) == DEX_OPT_FAILED) { mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; return null; } } } if (mFactoryTest && pkg.requestedPermissions.contains( android.Manifest.permission.FACTORY_TEST)) { pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; } // Request the ActivityManager to kill the process(only for existing packages) // so that we do not end up in a confused state while the user is still using the older // version of the application while the new one gets installed. if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { killApplication(pkg.applicationInfo.packageName, pkg.applicationInfo.uid); } synchronized (mPackages) { // We don't expect installation to fail beyond this point, if ((scanMode&SCAN_MONITOR) != 0) { mAppDirs.put(pkg.mPath, pkg); } // Add the new setting to mSettings mSettings.insertPackageSettingLP(pkgSetting, pkg); // Add the new setting to mPackages mPackages.put(pkg.applicationInfo.packageName, pkg); // Make sure we don't accidentally delete its data. mSettings.mPackagesToBeCleaned.remove(pkgName); int N = pkg.providers.size(); StringBuilder r = null; int i; for (i=0; i permissionMap = p.tree ? mSettings.mPermissionTrees : mSettings.mPermissions; p.group = mPermissionGroups.get(p.info.group); if (p.info.group == null || p.group != null) { BasePermission bp = permissionMap.get(p.info.name); if (bp == null) { bp = new BasePermission(p.info.name, p.info.packageName, BasePermission.TYPE_NORMAL); permissionMap.put(p.info.name, bp); } if (bp.perm == null) { if (bp.sourcePackage == null || bp.sourcePackage.equals(p.info.packageName)) { BasePermission tree = findPermissionTreeLP(p.info.name); if (tree == null || tree.sourcePackage.equals(p.info.packageName)) { bp.packageSetting = pkgSetting; bp.perm = p; bp.uid = pkg.applicationInfo.uid; if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append(p.info.name); } } else { Slog.w(TAG, "Permission " + p.info.name + " from package " + p.info.packageName + " ignored: base tree " + tree.name + " is from package " + tree.sourcePackage); } } else { Slog.w(TAG, "Permission " + p.info.name + " from package " + p.info.packageName + " ignored: original from " + bp.sourcePackage); } } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append("DUP:"); r.append(p.info.name); } if (bp.perm == p) { bp.protectionLevel = p.info.protectionLevel; } } else { Slog.w(TAG, "Permission " + p.info.name + " from package " + p.info.packageName + " ignored: no group " + p.group); } } if (r != null) { if (Config.LOGD) Log.d(TAG, " Permissions: " + r); } N = pkg.instrumentation.size(); r = null; for (i=0; i native libraries found and installed // PACKAGE_INSTALL_NATIVE_NO_LIBRARIES => no native libraries in package // PACKAGE_INSTALL_NATIVE_ABI_MISMATCH => native libraries for another ABI found // in package (and not installed) // private static final int PACKAGE_INSTALL_NATIVE_FOUND_LIBRARIES = 0; private static final int PACKAGE_INSTALL_NATIVE_NO_LIBRARIES = 1; private static final int PACKAGE_INSTALL_NATIVE_ABI_MISMATCH = 2; // Return the path of the directory that will contain the native binaries // of a given installed package. This is relative to the data path. // private static File getNativeBinaryDirForPackage(PackageParser.Package pkg) { return new File(pkg.applicationInfo.dataDir + "/lib"); } // Find all files of the form lib//lib.so in the .apk // and automatically copy them to /data/data//lib if present. // // NOTE: this method may throw an IOException if the library cannot // be copied to its final destination, e.g. if there isn't enough // room left on the data partition, or a ZipException if the package // file is malformed. // private int cachePackageSharedLibsForAbiLI(PackageParser.Package pkg, File scanFile, String cpuAbi) throws IOException, ZipException { File sharedLibraryDir = getNativeBinaryDirForPackage(pkg); final String apkLib = "lib/"; final int apkLibLen = apkLib.length(); final int cpuAbiLen = cpuAbi.length(); final String libPrefix = "lib"; final int libPrefixLen = libPrefix.length(); final String libSuffix = ".so"; final int libSuffixLen = libSuffix.length(); boolean hasNativeLibraries = false; boolean installedNativeLibraries = false; // the minimum length of a valid native shared library of the form // lib//lib.so. final int minEntryLen = apkLibLen + 2 + libPrefixLen + 1 + libSuffixLen; ZipFile zipFile = new ZipFile(scanFile); Enumeration entries = (Enumeration) zipFile.entries(); while (entries.hasMoreElements()) { ZipEntry entry = entries.nextElement(); // skip directories if (entry.isDirectory()) { continue; } String entryName = entry.getName(); // check that the entry looks like lib//lib.so // here, but don't check the ABI just yet. // // - must be sufficiently long // - must end with libSuffix, i.e. ".so" // - must start with apkLib, i.e. "lib/" if (entryName.length() < minEntryLen || !entryName.endsWith(libSuffix) || !entryName.startsWith(apkLib) ) { continue; } // file name must start with libPrefix, i.e. "lib" int lastSlash = entryName.lastIndexOf('/'); if (lastSlash < 0 || !entryName.regionMatches(lastSlash+1, libPrefix, 0, libPrefixLen) ) { continue; } hasNativeLibraries = true; // check the cpuAbi now, between lib/ and /lib.so // if (lastSlash != apkLibLen + cpuAbiLen || !entryName.regionMatches(apkLibLen, cpuAbi, 0, cpuAbiLen) ) continue; // extract the library file name, ensure it doesn't contain // weird characters. we're guaranteed here that it doesn't contain // a directory separator though. String libFileName = entryName.substring(lastSlash+1); if (!FileUtils.isFilenameSafe(new File(libFileName))) { continue; } installedNativeLibraries = true; // Always extract the shared library String sharedLibraryFilePath = sharedLibraryDir.getPath() + File.separator + libFileName; File sharedLibraryFile = new File(sharedLibraryFilePath); if (Config.LOGD) { Log.d(TAG, "Caching shared lib " + entry.getName()); } if (mInstaller == null) { sharedLibraryDir.mkdir(); } cacheNativeBinaryLI(pkg, zipFile, entry, sharedLibraryDir, sharedLibraryFile); } if (!hasNativeLibraries) return PACKAGE_INSTALL_NATIVE_NO_LIBRARIES; if (!installedNativeLibraries) return PACKAGE_INSTALL_NATIVE_ABI_MISMATCH; return PACKAGE_INSTALL_NATIVE_FOUND_LIBRARIES; } // Find the gdbserver executable program in a package at // lib//gdbserver and copy it to /data/data//lib/gdbserver // // Returns PACKAGE_INSTALL_NATIVE_FOUND_LIBRARIES on success, // or PACKAGE_INSTALL_NATIVE_NO_LIBRARIES otherwise. // private int cachePackageGdbServerLI(PackageParser.Package pkg, File scanFile, String cpuAbi) throws IOException, ZipException { File installGdbServerDir = getNativeBinaryDirForPackage(pkg); final String GDBSERVER = "gdbserver"; final String apkGdbServerPath = "lib/" + cpuAbi + "/" + GDBSERVER; ZipFile zipFile = new ZipFile(scanFile); Enumeration entries = (Enumeration) zipFile.entries(); while (entries.hasMoreElements()) { ZipEntry entry = entries.nextElement(); // skip directories if (entry.isDirectory()) { continue; } String entryName = entry.getName(); if (!entryName.equals(apkGdbServerPath)) { continue; } String installGdbServerPath = installGdbServerDir.getPath() + "/" + GDBSERVER; File installGdbServerFile = new File(installGdbServerPath); if (Config.LOGD) { Log.d(TAG, "Caching gdbserver " + entry.getName()); } if (mInstaller == null) { installGdbServerDir.mkdir(); } cacheNativeBinaryLI(pkg, zipFile, entry, installGdbServerDir, installGdbServerFile); return PACKAGE_INSTALL_NATIVE_FOUND_LIBRARIES; } return PACKAGE_INSTALL_NATIVE_NO_LIBRARIES; } // extract shared libraries stored in the APK as lib//lib.so // and copy them to /data/data//lib. // // This function will first try the main CPU ABI defined by Build.CPU_ABI // (which corresponds to ro.product.cpu.abi), and also try an alternate // one if ro.product.cpu.abi2 is defined. // private int cachePackageSharedLibsLI(PackageParser.Package pkg, File scanFile) { // Remove all native binaries from a directory. This is used when upgrading // a package: in case the new .apk doesn't contain a native binary that was // in the old one (and thus installed), we need to remove it from // /data/data//lib // // The simplest way to do that is to remove all files in this directory, // since it is owned by "system", applications are not supposed to write // anything there. removeNativeBinariesLI(pkg); String cpuAbi = Build.CPU_ABI; try { int result = cachePackageSharedLibsForAbiLI(pkg, scanFile, cpuAbi); // some architectures are capable of supporting several CPU ABIs // for example, 'armeabi-v7a' also supports 'armeabi' native code // this is indicated by the definition of the ro.product.cpu.abi2 // system property. // // only scan the package twice in case of ABI mismatch if (result == PACKAGE_INSTALL_NATIVE_ABI_MISMATCH) { final String cpuAbi2 = SystemProperties.get("ro.product.cpu.abi2",null); if (cpuAbi2 != null) { result = cachePackageSharedLibsForAbiLI(pkg, scanFile, cpuAbi2); } if (result == PACKAGE_INSTALL_NATIVE_ABI_MISMATCH) { Slog.w(TAG,"Native ABI mismatch from package file"); return PackageManager.INSTALL_FAILED_INVALID_APK; } if (result == PACKAGE_INSTALL_NATIVE_FOUND_LIBRARIES) { cpuAbi = cpuAbi2; } } // for debuggable packages, also extract gdbserver from lib/ // into /data/data//lib too. if (result == PACKAGE_INSTALL_NATIVE_FOUND_LIBRARIES && (pkg.applicationInfo.flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0) { int result2 = cachePackageGdbServerLI(pkg, scanFile, cpuAbi); if (result2 == PACKAGE_INSTALL_NATIVE_FOUND_LIBRARIES) { pkg.applicationInfo.flags |= ApplicationInfo.FLAG_NATIVE_DEBUGGABLE; } } } catch (ZipException e) { Slog.w(TAG, "Failed to extract data from package file", e); return PackageManager.INSTALL_FAILED_INVALID_APK; } catch (IOException e) { Slog.w(TAG, "Failed to cache package shared libs", e); return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; } return PackageManager.INSTALL_SUCCEEDED; } private void cacheNativeBinaryLI(PackageParser.Package pkg, ZipFile zipFile, ZipEntry entry, File binaryDir, File binaryFile) throws IOException { InputStream inputStream = zipFile.getInputStream(entry); try { File tempFile = File.createTempFile("tmp", "tmp", binaryDir); String tempFilePath = tempFile.getPath(); // XXX package manager can't change owner, so the executable files for // now need to be left as world readable and owned by the system. if (! FileUtils.copyToFile(inputStream, tempFile) || ! tempFile.setLastModified(entry.getTime()) || FileUtils.setPermissions(tempFilePath, FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP |FileUtils.S_IXUSR|FileUtils.S_IXGRP|FileUtils.S_IXOTH |FileUtils.S_IROTH, -1, -1) != 0 || ! tempFile.renameTo(binaryFile)) { // Failed to properly write file. tempFile.delete(); throw new IOException("Couldn't create cached binary " + binaryFile + " in " + binaryDir); } } finally { inputStream.close(); } } // Remove the native binaries of a given package. This simply // gets rid of the files in the 'lib' sub-directory. private void removeNativeBinariesLI(PackageParser.Package pkg) { File binaryDir = getNativeBinaryDirForPackage(pkg); if (DEBUG_NATIVE) { Slog.w(TAG,"Deleting native binaries from: " + binaryDir.getPath()); } // Just remove any file in the directory. Since the directory // is owned by the 'system' UID, the application is not supposed // to have written anything there. // if (binaryDir.exists()) { File[] binaries = binaryDir.listFiles(); if (binaries != null) { for (int nn=0; nn < binaries.length; nn++) { if (DEBUG_NATIVE) { Slog.d(TAG," Deleting " + binaries[nn].getName()); } if (!binaries[nn].delete()) { Slog.w(TAG,"Could not delete native binary: " + binaries[nn].getPath()); } } } // Do not delete 'lib' directory itself, or this will prevent // installation of future updates. } } void removePackageLI(PackageParser.Package pkg, boolean chatty) { if (chatty && Config.LOGD) Log.d( TAG, "Removing package " + pkg.applicationInfo.packageName ); synchronized (mPackages) { clearPackagePreferredActivitiesLP(pkg.packageName); mPackages.remove(pkg.applicationInfo.packageName); if (pkg.mPath != null) { mAppDirs.remove(pkg.mPath); } PackageSetting ps = (PackageSetting)pkg.mExtras; if (ps != null && ps.sharedUser != null) { // XXX don't do this until the data is removed. if (false) { ps.sharedUser.packages.remove(ps); if (ps.sharedUser.packages.size() == 0) { // Remove. } } } int N = pkg.providers.size(); StringBuilder r = null; int i; for (i=0; i=0; i--) { if (pkgInfo.permissions.get(i).info.name.equals(perm)) { return true; } } return false; } private void updatePermissionsLP(String changingPkg, PackageParser.Package pkgInfo, boolean grantPermissions, boolean replace, boolean replaceAll) { // Make sure there are no dangling permission trees. Iterator it = mSettings.mPermissionTrees .values().iterator(); while (it.hasNext()) { BasePermission bp = it.next(); if (bp.packageSetting == null) { // We may not yet have parsed the package, so just see if // we still know about its settings. bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); } if (bp.packageSetting == null) { Slog.w(TAG, "Removing dangling permission tree: " + bp.name + " from package " + bp.sourcePackage); it.remove(); } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { Slog.i(TAG, "Removing old permission tree: " + bp.name + " from package " + bp.sourcePackage); grantPermissions = true; it.remove(); } } } // Make sure all dynamic permissions have been assigned to a package, // and make sure there are no dangling permissions. it = mSettings.mPermissions.values().iterator(); while (it.hasNext()) { BasePermission bp = it.next(); if (bp.type == BasePermission.TYPE_DYNAMIC) { if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" + bp.name + " pkg=" + bp.sourcePackage + " info=" + bp.pendingInfo); if (bp.packageSetting == null && bp.pendingInfo != null) { BasePermission tree = findPermissionTreeLP(bp.name); if (tree != null) { bp.packageSetting = tree.packageSetting; bp.perm = new PackageParser.Permission(tree.perm.owner, new PermissionInfo(bp.pendingInfo)); bp.perm.info.packageName = tree.perm.info.packageName; bp.perm.info.name = bp.name; bp.uid = tree.uid; } } } if (bp.packageSetting == null) { // We may not yet have parsed the package, so just see if // we still know about its settings. bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); } if (bp.packageSetting == null) { Slog.w(TAG, "Removing dangling permission: " + bp.name + " from package " + bp.sourcePackage); it.remove(); } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { Slog.i(TAG, "Removing old permission: " + bp.name + " from package " + bp.sourcePackage); grantPermissions = true; it.remove(); } } } // Now update the permissions for all packages, in particular // replace the granted permissions of the system packages. if (grantPermissions) { for (PackageParser.Package pkg : mPackages.values()) { if (pkg != pkgInfo) { grantPermissionsLP(pkg, replaceAll); } } } if (pkgInfo != null) { grantPermissionsLP(pkgInfo, replace); } } private void grantPermissionsLP(PackageParser.Package pkg, boolean replace) { final PackageSetting ps = (PackageSetting)pkg.mExtras; if (ps == null) { return; } final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; boolean changedPermission = false; if (replace) { ps.permissionsFixed = false; if (gp == ps) { gp.grantedPermissions.clear(); gp.gids = mGlobalGids; } } if (gp.gids == null) { gp.gids = mGlobalGids; } final int N = pkg.requestedPermissions.size(); for (int i=0; i { public List queryIntent(Intent intent, String resolvedType, boolean defaultOnly) { mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; return super.queryIntent(intent, resolvedType, defaultOnly); } public List queryIntent(Intent intent, String resolvedType, int flags) { mFlags = flags; return super.queryIntent(intent, resolvedType, (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0); } public List queryIntentForPackage(Intent intent, String resolvedType, int flags, ArrayList packageActivities) { if (packageActivities == null) { return null; } mFlags = flags; final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; int N = packageActivities.size(); ArrayList> listCut = new ArrayList>(N); ArrayList intentFilters; for (int i = 0; i < N; ++i) { intentFilters = packageActivities.get(i).intents; if (intentFilters != null && intentFilters.size() > 0) { listCut.add(intentFilters); } } return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut); } public final void addActivity(PackageParser.Activity a, String type) { mActivities.put(a.getComponentName(), a); if (SHOW_INFO || Config.LOGV) Log.v( TAG, " " + type + " " + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); if (SHOW_INFO || Config.LOGV) Log.v(TAG, " Class=" + a.info.name); int NI = a.intents.size(); for (int j=0; j For Activity " + a.info.name); } addFilter(intent); } } public final void removeActivity(PackageParser.Activity a, String type) { mActivities.remove(a.getComponentName()); if (SHOW_INFO || Config.LOGV) Log.v( TAG, " " + type + " " + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); if (SHOW_INFO || Config.LOGV) Log.v(TAG, " Class=" + a.info.name); int NI = a.intents.size(); for (int j=0; j dest) { ActivityInfo filterAi = filter.activity.info; for (int i=dest.size()-1; i>=0; i--) { ActivityInfo destAi = dest.get(i).activityInfo; if (destAi.name == filterAi.name && destAi.packageName == filterAi.packageName) { return false; } } return true; } @Override protected String packageForFilter(PackageParser.ActivityIntentInfo info) { return info.activity.owner.packageName; } @Override protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, int match) { if (!mSettings.isEnabledLP(info.activity.info, mFlags)) { return null; } final PackageParser.Activity activity = info.activity; if (mSafeMode && (activity.info.applicationInfo.flags &ApplicationInfo.FLAG_SYSTEM) == 0) { return null; } final ResolveInfo res = new ResolveInfo(); res.activityInfo = PackageParser.generateActivityInfo(activity, mFlags); if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { res.filter = info; } res.priority = info.getPriority(); res.preferredOrder = activity.owner.mPreferredOrder; //System.out.println("Result: " + res.activityInfo.className + // " = " + res.priority); res.match = match; res.isDefault = info.hasDefault; res.labelRes = info.labelRes; res.nonLocalizedLabel = info.nonLocalizedLabel; res.icon = info.icon; return res; } @Override protected void sortResults(List 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 filterEnabled(List resolveInfoList) { // final Iterator i = resolveInfoList.iterator(); // final List 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 mActivities = new HashMap(); private int mFlags; } private final class ServiceIntentResolver extends IntentResolver { public List queryIntent(Intent intent, String resolvedType, boolean defaultOnly) { mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; return super.queryIntent(intent, resolvedType, defaultOnly); } public List queryIntent(Intent intent, String resolvedType, int flags) { mFlags = flags; return super.queryIntent(intent, resolvedType, (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0); } public List queryIntentForPackage(Intent intent, String resolvedType, int flags, ArrayList packageServices) { if (packageServices == null) { return null; } mFlags = flags; final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; int N = packageServices.size(); ArrayList> listCut = new ArrayList>(N); ArrayList intentFilters; for (int i = 0; i < N; ++i) { intentFilters = packageServices.get(i).intents; if (intentFilters != null && intentFilters.size() > 0) { listCut.add(intentFilters); } } return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut); } public final void addService(PackageParser.Service s) { mServices.put(s.getComponentName(), s); if (SHOW_INFO || Config.LOGV) Log.v( TAG, " " + (s.info.nonLocalizedLabel != null ? s.info.nonLocalizedLabel : s.info.name) + ":"); if (SHOW_INFO || Config.LOGV) Log.v( TAG, " Class=" + s.info.name); int NI = s.intents.size(); int j; for (j=0; j For Service " + s.info.name); } addFilter(intent); } } public final void removeService(PackageParser.Service s) { mServices.remove(s.getComponentName()); if (SHOW_INFO || Config.LOGV) Log.v( TAG, " " + (s.info.nonLocalizedLabel != null ? s.info.nonLocalizedLabel : s.info.name) + ":"); if (SHOW_INFO || Config.LOGV) Log.v( TAG, " Class=" + s.info.name); int NI = s.intents.size(); int j; for (j=0; j dest) { ServiceInfo filterSi = filter.service.info; for (int i=dest.size()-1; i>=0; i--) { ServiceInfo destAi = dest.get(i).serviceInfo; if (destAi.name == filterSi.name && destAi.packageName == filterSi.packageName) { return false; } } return true; } @Override protected String packageForFilter(PackageParser.ServiceIntentInfo info) { return info.service.owner.packageName; } @Override protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, int match) { final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; if (!mSettings.isEnabledLP(info.service.info, mFlags)) { return null; } final PackageParser.Service service = info.service; if (mSafeMode && (service.info.applicationInfo.flags &ApplicationInfo.FLAG_SYSTEM) == 0) { return null; } final ResolveInfo res = new ResolveInfo(); res.serviceInfo = PackageParser.generateServiceInfo(service, mFlags); if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { res.filter = filter; } res.priority = info.getPriority(); res.preferredOrder = service.owner.mPreferredOrder; //System.out.println("Result: " + res.activityInfo.className + // " = " + res.priority); res.match = match; res.isDefault = info.hasDefault; res.labelRes = info.labelRes; res.nonLocalizedLabel = info.nonLocalizedLabel; res.icon = info.icon; return res; } @Override protected void sortResults(List 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 filterEnabled(List resolveInfoList) { // final Iterator i = resolveInfoList.iterator(); // final List 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 mServices = new HashMap(); private int mFlags; }; private static final Comparator mResolvePrioritySorter = new Comparator() { public int compare(ResolveInfo r1, ResolveInfo r2) { int v1 = r1.priority; int v2 = r2.priority; //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); if (v1 != v2) { return (v1 > v2) ? -1 : 1; } v1 = r1.preferredOrder; v2 = r2.preferredOrder; if (v1 != v2) { return (v1 > v2) ? -1 : 1; } if (r1.isDefault != r2.isDefault) { return r1.isDefault ? -1 : 1; } v1 = r1.match; v2 = r2.match; //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); } }; private static final Comparator mProviderInitOrderSorter = new Comparator() { public int compare(ProviderInfo p1, ProviderInfo p2) { final int v1 = p1.initOrder; final int v2 = p2.initOrder; return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); } }; private static final void sendPackageBroadcast(String action, String pkg, Bundle extras, IIntentReceiver finishedReceiver) { IActivityManager am = ActivityManagerNative.getDefault(); if (am != null) { try { final Intent intent = new Intent(action, pkg != null ? Uri.fromParts("package", pkg, null) : null); if (extras != null) { intent.putExtras(extras); } intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); am.broadcastIntent(null, intent, null, finishedReceiver, 0, null, null, null, finishedReceiver != null, false); } catch (RemoteException ex) { } } } public String nextPackageToClean(String lastPackage) { synchronized (mPackages) { if (!mMediaMounted) { // If the external storage is no longer mounted at this point, // the caller may not have been able to delete all of this // packages files and can not delete any more. Bail. return null; } if (lastPackage != null) { mSettings.mPackagesToBeCleaned.remove(lastPackage); } return mSettings.mPackagesToBeCleaned.size() > 0 ? mSettings.mPackagesToBeCleaned.get(0) : null; } } void schedulePackageCleaning(String packageName) { mHandler.sendMessage(mHandler.obtainMessage(START_CLEANING_PACKAGE, packageName)); } void startCleaningPackages() { synchronized (mPackages) { if (!mMediaMounted) { return; } if (mSettings.mPackagesToBeCleaned.size() <= 0) { return; } } Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); intent.setComponent(DEFAULT_CONTAINER_COMPONENT); IActivityManager am = ActivityManagerNative.getDefault(); if (am != null) { try { am.startService(null, intent, null); } catch (RemoteException e) { } } } private final class AppDirObserver extends FileObserver { public AppDirObserver(String path, int mask, boolean isrom) { super(path, mask); mRootDir = path; mIsRom = isrom; } public void onEvent(int event, String path) { String removedPackage = null; int removedUid = -1; String addedPackage = null; int addedUid = -1; synchronized (mInstallLock) { String fullPathStr = null; File fullPath = null; if (path != null) { fullPath = new File(mRootDir, path); fullPathStr = fullPath.getPath(); } if (Config.LOGV) Log.v( TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); if (!isPackageFilename(path)) { if (Config.LOGV) Log.v( TAG, "Ignoring change of non-package file: " + fullPathStr); return; } // Ignore packages that are being installed or // have just been installed. if (ignoreCodePath(fullPathStr)) { return; } PackageParser.Package p = null; synchronized (mPackages) { p = mAppDirs.get(fullPathStr); } if ((event&REMOVE_EVENTS) != 0) { if (p != null) { removePackageLI(p, true); removedPackage = p.applicationInfo.packageName; removedUid = p.applicationInfo.uid; } } if ((event&ADD_EVENTS) != 0) { if (p == null) { p = scanPackageLI(fullPath, (mIsRom ? PackageParser.PARSE_IS_SYSTEM | PackageParser.PARSE_IS_SYSTEM_DIR: 0) | PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK, SCAN_MONITOR | SCAN_NO_PATHS); if (p != null) { synchronized (mPackages) { updatePermissionsLP(p.packageName, p, p.permissions.size() > 0, false, false); } addedPackage = p.applicationInfo.packageName; addedUid = p.applicationInfo.uid; } } } synchronized (mPackages) { mSettings.writeLP(); } } if (removedPackage != null) { Bundle extras = new Bundle(1); extras.putInt(Intent.EXTRA_UID, removedUid); extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, extras, null); } if (addedPackage != null) { Bundle extras = new Bundle(1); extras.putInt(Intent.EXTRA_UID, addedUid); sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, extras, null); } } private final String mRootDir; private final boolean mIsRom; } /* Called when a downloaded package installation has been confirmed by the user */ public void installPackage( final Uri packageURI, final IPackageInstallObserver observer, final int flags) { installPackage(packageURI, observer, flags, null); } /* Called when a downloaded package installation has been confirmed by the user */ public void installPackage( final Uri packageURI, final IPackageInstallObserver observer, final int flags, final String installerPackageName) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.INSTALL_PACKAGES, null); Message msg = mHandler.obtainMessage(INIT_COPY); msg.obj = new InstallParams(packageURI, observer, flags, installerPackageName); mHandler.sendMessage(msg); } public void finishPackageInstall(int token) { if (DEBUG_INSTALL) Log.v(TAG, "BM finishing package install for " + token); Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); mHandler.sendMessage(msg); } private void processPendingInstall(final InstallArgs args, final int currentStatus) { // Queue up an async operation since the package installation may take a little while. mHandler.post(new Runnable() { public void run() { mHandler.removeCallbacks(this); // Result object to be returned PackageInstalledInfo res = new PackageInstalledInfo(); res.returnCode = currentStatus; res.uid = -1; res.pkg = null; res.removedInfo = new PackageRemovedInfo(); if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { args.doPreInstall(res.returnCode); synchronized (mInstallLock) { installPackageLI(args, true, res); } args.doPostInstall(res.returnCode); } // A restore should be performed at this point if (a) the install // succeeded, (b) the operation is not an update, and (c) the new // package has a backupAgent defined. final boolean update = res.removedInfo.removedPackage != null; boolean doRestore = (!update && res.pkg != null && res.pkg.applicationInfo.backupAgentName != null); // Set up the post-install work request bookkeeping. This will be used // and cleaned up by the post-install event handling regardless of whether // there's a restore pass performed. Token values are >= 1. int token; if (mNextInstallToken < 0) mNextInstallToken = 1; token = mNextInstallToken++; PostInstallData data = new PostInstallData(args, res); mRunningInstalls.put(token, data); if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { // Pass responsibility to the Backup Manager. It will perform a // restore if appropriate, then pass responsibility back to the // Package Manager to run the post-install observer callbacks // and broadcasts. IBackupManager bm = IBackupManager.Stub.asInterface( ServiceManager.getService(Context.BACKUP_SERVICE)); if (bm != null) { if (DEBUG_INSTALL) Log.v(TAG, "token " + token + " to BM for possible restore"); try { bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); } catch (RemoteException e) { // can't happen; the backup manager is local } catch (Exception e) { Slog.e(TAG, "Exception trying to enqueue restore", e); doRestore = false; } } else { Slog.e(TAG, "Backup Manager not found!"); doRestore = false; } } if (!doRestore) { // No restore possible, or the Backup Manager was mysteriously not // available -- just fire the post-install work request directly. if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); mHandler.sendMessage(msg); } } }); } abstract class HandlerParams { final static int MAX_RETRIES = 4; int retry = 0; final void startCopy() { try { if (DEBUG_SD_INSTALL) Log.i(TAG, "startCopy"); retry++; if (retry > MAX_RETRIES) { Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); mHandler.sendEmptyMessage(MCS_GIVE_UP); handleServiceError(); return; } else { handleStartCopy(); if (DEBUG_SD_INSTALL) Log.i(TAG, "Posting install MCS_UNBIND"); mHandler.sendEmptyMessage(MCS_UNBIND); } } catch (RemoteException e) { if (DEBUG_SD_INSTALL) Log.i(TAG, "Posting install MCS_RECONNECT"); mHandler.sendEmptyMessage(MCS_RECONNECT); } handleReturnCode(); } final void serviceError() { if (DEBUG_SD_INSTALL) Log.i(TAG, "serviceError"); handleServiceError(); handleReturnCode(); } abstract void handleStartCopy() throws RemoteException; abstract void handleServiceError(); abstract void handleReturnCode(); } class InstallParams extends HandlerParams { final IPackageInstallObserver observer; int flags; final Uri packageURI; final String installerPackageName; private InstallArgs mArgs; private int mRet; InstallParams(Uri packageURI, IPackageInstallObserver observer, int flags, String installerPackageName) { this.packageURI = packageURI; this.flags = flags; this.observer = observer; this.installerPackageName = installerPackageName; } private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { String packageName = pkgLite.packageName; int installLocation = pkgLite.installLocation; boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; synchronized (mPackages) { PackageParser.Package pkg = mPackages.get(packageName); if (pkg != null) { if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { // Check for updated system application. if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { if (onSd) { Slog.w(TAG, "Cannot install update to system app on sdcard"); return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; } return PackageHelper.RECOMMEND_INSTALL_INTERNAL; } else { if (onSd) { // Install flag overrides everything. return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; } // If current upgrade specifies particular preference if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { // Application explicitly specified internal. return PackageHelper.RECOMMEND_INSTALL_INTERNAL; } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { // App explictly prefers external. Let policy decide } else { // Prefer previous location if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0) { return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; } return PackageHelper.RECOMMEND_INSTALL_INTERNAL; } } } else { // Invalid install. Return error code return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; } } } // All the special cases have been taken care of. // Return result based on recommended install location. if (onSd) { return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; } return pkgLite.recommendedInstallLocation; } /* * Invoke remote method to get package information and install * location values. Override install location based on default * policy if needed and then create install arguments based * on the install location. */ public void handleStartCopy() throws RemoteException { int ret = PackageManager.INSTALL_SUCCEEDED; boolean fwdLocked = (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; if (onInt && onSd) { // Check if both bits are set. Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; } else if (fwdLocked && onSd) { // Check for forward locked apps Slog.w(TAG, "Cannot install fwd locked apps on sdcard"); ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; } else { // Remote call to find out default install location PackageInfoLite pkgLite = mContainerService.getMinimalPackageInfo(packageURI, flags); int loc = pkgLite.recommendedInstallLocation; if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION){ ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS){ ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE){ ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { ret = PackageManager.INSTALL_FAILED_INVALID_APK; } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; } else { // Override with defaults if needed. loc = installLocationPolicy(pkgLite, flags); if (!onSd && !onInt) { // Override install location with flags if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { // Set the flag to install on external media. flags |= PackageManager.INSTALL_EXTERNAL; flags &= ~PackageManager.INSTALL_INTERNAL; } else { // Make sure the flag for installing on external // media is unset flags |= PackageManager.INSTALL_INTERNAL; flags &= ~PackageManager.INSTALL_EXTERNAL; } } } } // Create the file args now. mArgs = createInstallArgs(this); if (ret == PackageManager.INSTALL_SUCCEEDED) { // Create copy only if we are not in an erroneous state. // Remote call to initiate copy using temporary file ret = mArgs.copyApk(mContainerService, true); } mRet = ret; } @Override void handleReturnCode() { processPendingInstall(mArgs, mRet); } @Override void handleServiceError() { mArgs = createInstallArgs(this); mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; } } /* * Utility class used in movePackage api. * srcArgs and targetArgs are not set for invalid flags and make * sure to do null checks when invoking methods on them. * We probably want to return ErrorPrams for both failed installs * and moves. */ class MoveParams extends HandlerParams { final IPackageMoveObserver observer; final int flags; final String packageName; final InstallArgs srcArgs; final InstallArgs targetArgs; int mRet; MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, String packageName) { this.srcArgs = srcArgs; this.observer = observer; this.flags = flags; this.packageName = packageName; if (srcArgs != null) { Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); targetArgs = createInstallArgs(packageUri, flags, packageName); } else { targetArgs = null; } } public void handleStartCopy() throws RemoteException { mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; // Check for storage space on target medium if (!targetArgs.checkFreeStorage(mContainerService)) { Log.w(TAG, "Insufficient storage to install"); return; } // Create the file args now. mRet = targetArgs.copyApk(mContainerService, false); targetArgs.doPreInstall(mRet); if (DEBUG_SD_INSTALL) { StringBuilder builder = new StringBuilder(); if (srcArgs != null) { builder.append("src: "); builder.append(srcArgs.getCodePath()); } if (targetArgs != null) { builder.append(" target : "); builder.append(targetArgs.getCodePath()); } Log.i(TAG, builder.toString()); } } @Override void handleReturnCode() { targetArgs.doPostInstall(mRet); int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; if (mRet == PackageManager.INSTALL_SUCCEEDED) { currentStatus = PackageManager.MOVE_SUCCEEDED; } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; } processPendingMove(this, currentStatus); } @Override void handleServiceError() { mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; } } private InstallArgs createInstallArgs(InstallParams params) { if (installOnSd(params.flags)) { return new SdInstallArgs(params); } else { return new FileInstallArgs(params); } } private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath) { if (installOnSd(flags)) { return new SdInstallArgs(fullCodePath, fullResourcePath); } else { return new FileInstallArgs(fullCodePath, fullResourcePath); } } private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName) { if (installOnSd(flags)) { String cid = getNextCodePath(null, pkgName, "/" + SdInstallArgs.RES_FILE_NAME); return new SdInstallArgs(packageURI, cid); } else { return new FileInstallArgs(packageURI, pkgName); } } static abstract class InstallArgs { final IPackageInstallObserver observer; // Always refers to PackageManager flags only final int flags; final Uri packageURI; final String installerPackageName; InstallArgs(Uri packageURI, IPackageInstallObserver observer, int flags, String installerPackageName) { this.packageURI = packageURI; this.flags = flags; this.observer = observer; this.installerPackageName = installerPackageName; } abstract void createCopyFile(); abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; abstract int doPreInstall(int status); abstract boolean doRename(int status, String pkgName, String oldCodePath); abstract int doPostInstall(int status); abstract String getCodePath(); abstract String getResourcePath(); // Need installer lock especially for dex file removal. abstract void cleanUpResourcesLI(); abstract boolean doPostDeleteLI(boolean delete); abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; } class FileInstallArgs extends InstallArgs { File installDir; String codeFileName; String resourceFileName; boolean created = false; FileInstallArgs(InstallParams params) { super(params.packageURI, params.observer, params.flags, params.installerPackageName); } FileInstallArgs(String fullCodePath, String fullResourcePath) { super(null, null, 0, null); File codeFile = new File(fullCodePath); installDir = codeFile.getParentFile(); codeFileName = fullCodePath; resourceFileName = fullResourcePath; } FileInstallArgs(Uri packageURI, String pkgName) { super(packageURI, null, 0, null); boolean fwdLocked = isFwdLocked(flags); installDir = fwdLocked ? mDrmAppPrivateInstallDir : mAppInstallDir; String apkName = getNextCodePath(null, pkgName, ".apk"); codeFileName = new File(installDir, apkName + ".apk").getPath(); resourceFileName = getResourcePathFromCodePath(); } boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { return imcs.checkFreeStorage(false, packageURI); } String getCodePath() { return codeFileName; } void createCopyFile() { boolean fwdLocked = isFwdLocked(flags); installDir = fwdLocked ? mDrmAppPrivateInstallDir : mAppInstallDir; codeFileName = createTempPackageFile(installDir).getPath(); resourceFileName = getResourcePathFromCodePath(); created = true; } int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { if (temp) { // Generate temp file name createCopyFile(); } // Get a ParcelFileDescriptor to write to the output file File codeFile = new File(codeFileName); if (!created) { try { codeFile.createNewFile(); // Set permissions if (!setPermissions()) { // Failed setting permissions. return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; } } catch (IOException e) { Slog.w(TAG, "Failed to create file " + codeFile); return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; } } ParcelFileDescriptor out = null; try { out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); } catch (FileNotFoundException e) { Slog.e(TAG, "Failed to create file descritpor for : " + codeFileName); return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; } // Copy the resource now int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; try { if (imcs.copyResource(packageURI, out)) { ret = PackageManager.INSTALL_SUCCEEDED; } } finally { try { if (out != null) out.close(); } catch (IOException e) {} } return ret; } int doPreInstall(int status) { if (status != PackageManager.INSTALL_SUCCEEDED) { cleanUp(); } return status; } boolean doRename(int status, final String pkgName, String oldCodePath) { if (status != PackageManager.INSTALL_SUCCEEDED) { cleanUp(); return false; } else { // Rename based on packageName File codeFile = new File(getCodePath()); String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); File desFile = new File(installDir, apkName + ".apk"); if (!codeFile.renameTo(desFile)) { return false; } // Reset paths since the file has been renamed. codeFileName = desFile.getPath(); resourceFileName = getResourcePathFromCodePath(); // Set permissions if (!setPermissions()) { // Failed setting permissions. return false; } return true; } } int doPostInstall(int status) { if (status != PackageManager.INSTALL_SUCCEEDED) { cleanUp(); } return status; } String getResourcePath() { return resourceFileName; } String getResourcePathFromCodePath() { String codePath = getCodePath(); if ((flags & PackageManager.INSTALL_FORWARD_LOCK) != 0) { String apkNameOnly = getApkName(codePath); return mAppInstallDir.getPath() + "/" + apkNameOnly + ".zip"; } else { return codePath; } } private boolean cleanUp() { boolean ret = true; String sourceDir = getCodePath(); String publicSourceDir = getResourcePath(); if (sourceDir != null) { File sourceFile = new File(sourceDir); if (!sourceFile.exists()) { Slog.w(TAG, "Package source " + sourceDir + " does not exist."); ret = false; } // Delete application's code and resources sourceFile.delete(); } if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { final File publicSourceFile = new File(publicSourceDir); if (!publicSourceFile.exists()) { Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); } if (publicSourceFile.exists()) { publicSourceFile.delete(); } } return ret; } void cleanUpResourcesLI() { String sourceDir = getCodePath(); if (cleanUp() && mInstaller != null) { int retCode = mInstaller.rmdex(sourceDir); if (retCode < 0) { Slog.w(TAG, "Couldn't remove dex file for package: " + " at location " + sourceDir + ", retcode=" + retCode); // we don't consider this to be a failure of the core package deletion } } } private boolean setPermissions() { // TODO Do this in a more elegant way later on. for now just a hack if (!isFwdLocked(flags)) { 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) { cleanUpResourcesLI(); return true; } } class SdInstallArgs extends InstallArgs { String cid; String cachePath; static final String RES_FILE_NAME = "pkg.apk"; SdInstallArgs(InstallParams params) { super(params.packageURI, params.observer, params.flags, params.installerPackageName); } SdInstallArgs(String fullCodePath, String fullResourcePath) { super(null, null, PackageManager.INSTALL_EXTERNAL, null); // Extract cid from fullCodePath int eidx = fullCodePath.lastIndexOf("/"); String subStr1 = fullCodePath.substring(0, eidx); int sidx = subStr1.lastIndexOf("/"); cid = subStr1.substring(sidx+1, eidx); cachePath = subStr1; } SdInstallArgs(String cid) { super(null, null, PackageManager.INSTALL_EXTERNAL, null); this.cid = cid; cachePath = PackageHelper.getSdDir(cid); } SdInstallArgs(Uri packageURI, String cid) { super(packageURI, null, PackageManager.INSTALL_EXTERNAL, null); this.cid = cid; } void createCopyFile() { cid = getTempContainerId(); } boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { return imcs.checkFreeStorage(true, packageURI); } int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { if (temp) { createCopyFile(); } cachePath = imcs.copyResourceToContainer( packageURI, cid, getEncryptKey(), RES_FILE_NAME); return (cachePath == null) ? PackageManager.INSTALL_FAILED_CONTAINER_ERROR : PackageManager.INSTALL_SUCCEEDED; } @Override String getCodePath() { return cachePath + "/" + RES_FILE_NAME; } @Override String getResourcePath() { return cachePath + "/" + RES_FILE_NAME; } int doPreInstall(int status) { if (status != PackageManager.INSTALL_SUCCEEDED) { // Destroy container PackageHelper.destroySdDir(cid); } else { boolean mounted = PackageHelper.isContainerMounted(cid); if (!mounted) { cachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), Process.SYSTEM_UID); if (cachePath == null) { 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 + " at path: " + cachePath + " to " + newCacheId + " at new path: " + newCachePath); cid = newCacheId; cachePath = newCachePath; return true; } int doPostInstall(int status) { if (status != PackageManager.INSTALL_SUCCEEDED) { cleanUp(); } else { boolean mounted = PackageHelper.isContainerMounted(cid); if (!mounted) { PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); } } return status; } private void cleanUp() { // Destroy secure container PackageHelper.destroySdDir(cid); } void cleanUpResourcesLI() { String sourceFile = getCodePath(); // Remove dex file if (mInstaller != null) { int retCode = mInstaller.rmdex(sourceFile); if (retCode < 0) { Slog.w(TAG, "Couldn't remove dex file for package: " + " at location " + sourceFile.toString() + ", retcode=" + retCode); // we don't consider this to be a failure of the core package deletion } } cleanUp(); } boolean matchContainer(String app) { if (cid.startsWith(app)) { return true; } return false; } String getPackageName() { int idx = cid.lastIndexOf("-"); if (idx == -1) { return cid; } return cid.substring(0, idx); } boolean doPostDeleteLI(boolean delete) { boolean ret = false; boolean mounted = PackageHelper.isContainerMounted(cid); if (mounted) { // Unmount first ret = PackageHelper.unMountSdDir(cid); } if (ret && delete) { cleanUpResourcesLI(); } return ret; } }; // Utility method used to create code paths based on package name and available index. private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { String idxStr = ""; int idx = 1; // Fall back to default value of idx=1 if prefix is not // part of oldCodePath if (oldCodePath != null) { String subStr = oldCodePath; // Drop the suffix right away if (subStr.endsWith(suffix)) { subStr = subStr.substring(0, subStr.length() - suffix.length()); } // If oldCodePath already contains prefix find out the // ending index to either increment or decrement. int sidx = subStr.lastIndexOf(prefix); if (sidx != -1) { subStr = subStr.substring(sidx + prefix.length()); if (subStr != null) { if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); } try { idx = Integer.parseInt(subStr); if (idx <= 1) { idx++; } else { idx--; } } catch(NumberFormatException e) { } } } } idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); return prefix + idxStr; } // Utility method used to ignore ADD/REMOVE events // by directory observer. private static boolean ignoreCodePath(String fullPathStr) { String apkName = getApkName(fullPathStr); int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); if (idx != -1 && ((idx+1) < apkName.length())) { // Make sure the package ends with a numeral String version = apkName.substring(idx+1); try { Integer.parseInt(version); return true; } catch (NumberFormatException e) {} } return false; } // Utility method that returns the relative package path with respect // to the installation directory. Like say for /data/data/com.test-1.apk // string com.test-1 is returned. static String getApkName(String codePath) { if (codePath == null) { return null; } int sidx = codePath.lastIndexOf("/"); int eidx = codePath.lastIndexOf("."); if (eidx == -1) { eidx = codePath.length(); } else if (eidx == 0) { Slog.w(TAG, " Invalid code path, "+ codePath + " Not a valid apk name"); return null; } return codePath.substring(sidx+1, eidx); } class PackageInstalledInfo { String name; int uid; PackageParser.Package pkg; int returnCode; PackageRemovedInfo removedInfo; } /* * Install a non-existing package. */ private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanMode, String installerPackageName, PackageInstalledInfo res) { // Remember this for later, in case we need to rollback this install String pkgName = pkg.packageName; boolean dataDirExists = getDataPathForPackage(pkg).exists(); res.name = pkgName; synchronized(mPackages) { if (mSettings.mRenamedPackages.containsKey(pkgName)) { // A package with the same name is already installed, though // it has been renamed to an older name. The package we // are trying to install should be installed as an update to // the existing one, but that has not been requested, so bail. Slog.w(TAG, "Attempt to re-install " + pkgName + " without first uninstalling package running as " + mSettings.mRenamedPackages.get(pkgName)); res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; return; } if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { // Don't allow installation over an existing package with the same name. Slog.w(TAG, "Attempt to re-install " + pkgName + " without first uninstalling."); res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; return; } } mLastScanError = PackageManager.INSTALL_SUCCEEDED; PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode); if (newPackage == null) { Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; } } else { updateSettingsLI(newPackage, installerPackageName, res); // delete the partially installed application. the data directory will have to be // restored if it was already existing if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { // remove package from internal structures. Note that we want deletePackageX to // delete the package data and cache directories that it created in // scanPackageLocked, unless those directories existed before we even tried to // install. deletePackageLI( pkgName, false, dataDirExists ? PackageManager.DONT_DELETE_DATA : 0, res.removedInfo); } } } private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanMode, String installerPackageName, PackageInstalledInfo res) { PackageParser.Package oldPackage; String pkgName = pkg.packageName; // First find the old package info and check signatures synchronized(mPackages) { oldPackage = mPackages.get(pkgName); if (checkSignaturesLP(oldPackage.mSignatures, pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; return; } } boolean sysPkg = ((oldPackage.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0); if (sysPkg) { replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, installerPackageName, res); } else { replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, installerPackageName, res); } } private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, PackageParser.Package pkg, int parseFlags, int scanMode, String installerPackageName, PackageInstalledInfo res) { PackageParser.Package newPackage = null; String pkgName = deletedPackage.packageName; boolean deletedPkg = true; boolean updatedSettings = false; String oldInstallerPackageName = null; synchronized (mPackages) { oldInstallerPackageName = mSettings.getInstallerPackageName(pkgName); } // First delete the existing package while retaining the data directory if (!deletePackageLI(pkgName, true, PackageManager.DONT_DELETE_DATA, res.removedInfo)) { // If the existing package was'nt 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); if (newPackage == null) { Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; } } else { updateSettingsLI(newPackage, installerPackageName, res); updatedSettings = true; } } if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { // remove package from internal structures. Note that we want deletePackageX to // delete the package data and cache directories that it created in // scanPackageLocked, unless those directories existed before we even tried to // install. if(updatedSettings) { deletePackageLI( pkgName, true, PackageManager.DONT_DELETE_DATA, res.removedInfo); } // Since we failed to install the new package we need to restore the old // package that we deleted. if(deletedPkg) { File restoreFile = new File(deletedPackage.mPath); if (restoreFile == null) { Slog.e(TAG, "Failed allocating storage when restoring pkg : " + pkgName); return; } // Parse old package boolean oldOnSd = isExternal(deletedPackage); int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE; if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode) == null) { Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); return; } // Restore of old package succeeded. Update permissions. synchronized (mPackages) { updatePermissionsLP(deletedPackage.packageName, deletedPackage, true, false, false); mSettings.writeLP(); } Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); } } } private void replaceSystemPackageLI(PackageParser.Package deletedPackage, PackageParser.Package pkg, int parseFlags, int scanMode, String installerPackageName, PackageInstalledInfo res) { PackageParser.Package newPackage = null; boolean updatedSettings = false; parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | PackageParser.PARSE_IS_SYSTEM; String packageName = deletedPackage.packageName; res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; if (packageName == null) { Slog.w(TAG, "Attempt to delete null packageName."); return; } PackageParser.Package oldPkg; PackageSetting oldPkgSetting; synchronized (mPackages) { oldPkg = mPackages.get(packageName); oldPkgSetting = mSettings.mPackages.get(packageName); if((oldPkg == null) || (oldPkg.applicationInfo == null) || (oldPkgSetting == null)) { Slog.w(TAG, "Couldn't find package:"+packageName+" information"); return; } } res.removedInfo.uid = oldPkg.applicationInfo.uid; res.removedInfo.removedPackage = packageName; // Remove existing system package removePackageLI(oldPkg, true); synchronized (mPackages) { res.removedInfo.removedUid = mSettings.disableSystemPackageLP(packageName); } // 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); 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) { // Re installation failed. Restore old information // Remove new pkg information if (newPackage != null) { removePackageLI(newPackage, true); } // Add back the old system package scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE); // Restore the old system information in Settings synchronized(mPackages) { if(updatedSettings) { mSettings.enableSystemPackageLP(packageName); mSettings.setInstallerPackageName(packageName, oldPkgSetting.installerPackageName); } mSettings.writeLP(); } } else { // If this is an update to an existing update, setup // to remove the existing update. synchronized (mPackages) { PackageSetting ps = mSettings.getDisabledSystemPkg(packageName); if (ps != null && ps.codePathString != null && !ps.codePathString.equals(oldPkgSetting.codePathString)) { int installFlags = 0; res.removedInfo.args = createInstallArgs(0, oldPkgSetting.codePathString, oldPkgSetting.resourcePathString); } } } } // 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) { Slog.e(TAG, "Couldn't rename dex file: " + newPackage.mPath); return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; } } return PackageManager.INSTALL_SUCCEEDED; } private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, PackageInstalledInfo res) { String pkgName = newPackage.packageName; synchronized (mPackages) { //write settings. the installStatus will be incomplete at this stage. //note that the new package setting would have already been //added to mPackages. It hasn't been persisted yet. mSettings.setInstallStatus(pkgName, PKG_INSTALL_INCOMPLETE); mSettings.writeLP(); } if ((res.returnCode = moveDexFilesLI(newPackage)) != PackageManager.INSTALL_SUCCEEDED) { // Discontinue if moving dex files failed. return; } if((res.returnCode = setPermissionsLI(newPackage)) != PackageManager.INSTALL_SUCCEEDED) { if (mInstaller != null) { mInstaller.rmdex(newPackage.mScanPath); } return; } else { Log.d(TAG, "New package installed in " + newPackage.mPath); } synchronized (mPackages) { updatePermissionsLP(newPackage.packageName, newPackage, newPackage.permissions.size() > 0, true, false); res.name = pkgName; res.uid = newPackage.applicationInfo.uid; res.pkg = newPackage; mSettings.setInstallStatus(pkgName, PKG_INSTALL_COMPLETE); mSettings.setInstallerPackageName(pkgName, installerPackageName); res.returnCode = PackageManager.INSTALL_SUCCEEDED; //to update install status mSettings.writeLP(); } } private void installPackageLI(InstallArgs args, boolean newInstall, PackageInstalledInfo res) { int pFlags = args.flags; String installerPackageName = args.installerPackageName; File tmpPackageFile = new File(args.getCodePath()); boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); boolean replace = false; int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE | (newInstall ? SCAN_NEW_INSTALL : 0); // Result object to be returned res.returnCode = PackageManager.INSTALL_SUCCEEDED; // Retrieve PackageSettings and parse package int parseFlags = PackageParser.PARSE_CHATTY | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); parseFlags |= mDefParseFlags; PackageParser pp = new PackageParser(tmpPackageFile.getPath()); pp.setSeparateProcesses(mSeparateProcesses); final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, null, mMetrics, parseFlags); if (pkg == null) { res.returnCode = pp.getParseError(); return; } String pkgName = res.name = pkg.packageName; if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { if ((pFlags&PackageManager.INSTALL_ALLOW_TEST) == 0) { res.returnCode = PackageManager.INSTALL_FAILED_TEST_ONLY; return; } } if (GET_CERTIFICATES && !pp.collectCertificates(pkg, parseFlags)) { res.returnCode = pp.getParseError(); return; } // Get rid of all references to package scan path via parser. pp = null; String oldCodePath = null; boolean systemApp = false; synchronized (mPackages) { // Check if installing already existing package if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { String oldName = mSettings.mRenamedPackages.get(pkgName); if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName) && mPackages.containsKey(oldName)) { // This package is derived from an original package, // and this device has been updating from that original // name. We must continue using the original name, so // rename the new package here. pkg.setPackageName(oldName); pkgName = pkg.packageName; replace = true; } else if (mPackages.containsKey(pkgName)) { // This package, under its official name, already exists // on the device; we should replace it. replace = true; } } PackageSetting ps = mSettings.mPackages.get(pkgName); if (ps != null) { oldCodePath = mSettings.mPackages.get(pkgName).codePathString; if (ps.pkg != null && ps.pkg.applicationInfo != null) { systemApp = (ps.pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; } } } if (systemApp && onSd) { // Disable updates to system apps on sdcard Slog.w(TAG, "Cannot install updates to system apps on sdcard"); res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; return; } if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; return; } // Set application objects path explicitly after the rename setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); if (replace) { replacePackageLI(pkg, parseFlags, scanMode, installerPackageName, res); } else { installNewPackageLI(pkg, parseFlags, scanMode, installerPackageName,res); } } private int setPermissionsLI(PackageParser.Package newPackage) { String pkgName = newPackage.packageName; int retCode = 0; // TODO Gross hack but fix later. Ideally move this to be a post installation // check after alloting uid. if ((newPackage.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0) { File destResourceFile = new File(newPackage.applicationInfo.publicSourceDir); try { extractPublicFiles(newPackage, destResourceFile); } catch (IOException e) { Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" + " forward-locked app."); return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; } finally { //TODO clean up the extracted public files } if (mInstaller != null) { retCode = mInstaller.setForwardLockPerm(getApkName(newPackage.mPath), newPackage.applicationInfo.uid); } else { final int filePermissions = FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP; retCode = FileUtils.setPermissions(newPackage.mPath, filePermissions, -1, newPackage.applicationInfo.uid); } } else { // The permissions on the resource file was set when it was copied for // non forward locked apps and apps on sdcard } if (retCode != 0) { Slog.e(TAG, "Couldn't set new package file permissions for " + newPackage.mPath + ". The return code was: " + retCode); // TODO Define new internal error return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; } return PackageManager.INSTALL_SUCCEEDED; } private boolean isForwardLocked(PackageParser.Package pkg) { return ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0); } private boolean isExternal(PackageParser.Package pkg) { return ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0); } private void extractPublicFiles(PackageParser.Package newPackage, File publicZipFile) throws IOException { final ZipOutputStream publicZipOutStream = new ZipOutputStream(new FileOutputStream(publicZipFile)); final ZipFile privateZip = new ZipFile(newPackage.mPath); // Copy manifest, resources.arsc and res directory to public zip final Enumeration privateZipEntries = privateZip.entries(); while (privateZipEntries.hasMoreElements()) { final ZipEntry zipEntry = privateZipEntries.nextElement(); final String zipEntryName = zipEntry.getName(); if ("AndroidManifest.xml".equals(zipEntryName) || "resources.arsc".equals(zipEntryName) || zipEntryName.startsWith("res/")) { try { copyZipEntry(zipEntry, privateZip, publicZipOutStream); } catch (IOException e) { try { publicZipOutStream.close(); throw e; } finally { publicZipFile.delete(); } } } } publicZipOutStream.close(); FileUtils.setPermissions( publicZipFile.getAbsolutePath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP|FileUtils.S_IROTH, -1, -1); } private static void copyZipEntry(ZipEntry zipEntry, ZipFile inZipFile, ZipOutputStream outZipStream) throws IOException { byte[] buffer = new byte[4096]; int num; ZipEntry newEntry; if (zipEntry.getMethod() == ZipEntry.STORED) { // Preserve the STORED method of the input entry. newEntry = new ZipEntry(zipEntry); } else { // Create a new entry so that the compressed len is recomputed. newEntry = new ZipEntry(zipEntry.getName()); } outZipStream.putNextEntry(newEntry); InputStream data = inZipFile.getInputStream(zipEntry); while ((num = data.read(buffer)) > 0) { outZipStream.write(buffer, 0, num); } outZipStream.flush(); } private void deleteTempPackageFiles() { FilenameFilter filter = new FilenameFilter() { public boolean accept(File dir, String name) { return name.startsWith("vmdl") && name.endsWith(".tmp"); } }; String tmpFilesList[] = mAppInstallDir.list(filter); if(tmpFilesList == null) { return; } for(int i = 0; i < tmpFilesList.length; i++) { File tmpFile = new File(mAppInstallDir, tmpFilesList[i]); tmpFile.delete(); } } private File createTempPackageFile(File installDir) { File tmpPackageFile; try { tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); } catch (IOException e) { Slog.e(TAG, "Couldn't create temp file for downloaded package file."); return null; } try { FileUtils.setPermissions( tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, -1, -1); } catch (IOException e) { Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); return null; } return tmpPackageFile; } public void deletePackage(final String packageName, final IPackageDeleteObserver observer, final int flags) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.DELETE_PACKAGES, null); // Queue up an async operation since the package deletion may take a little while. mHandler.post(new Runnable() { public void run() { mHandler.removeCallbacks(this); final boolean succeded = deletePackageX(packageName, true, true, flags); if (observer != null) { try { observer.packageDeleted(succeded); } catch (RemoteException e) { Log.i(TAG, "Observer no longer exists."); } //end catch } //end if } //end run }); } /** * This method is an internal method that could be get invoked either * to delete an installed package or to clean up a failed installation. * After deleting an installed package, a broadcast is sent to notify any * listeners that the package has been installed. For cleaning up a failed * installation, the broadcast is not necessary since the package's * installation wouldn't have sent the initial broadcast either * The key steps in deleting a package are * deleting the package information in internal structures like mPackages, * deleting the packages base directories through installd * updating mSettings to reflect current status * persisting settings for later use * sending a broadcast if necessary */ private boolean deletePackageX(String packageName, boolean sendBroadCast, boolean deleteCodeAndResources, int flags) { PackageRemovedInfo info = new PackageRemovedInfo(); boolean res; IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); try { if (dpm != null && dpm.packageHasActiveAdmins(packageName)) { Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); return false; } } catch (RemoteException e) { } synchronized (mInstallLock) { res = deletePackageLI(packageName, deleteCodeAndResources, flags | REMOVE_CHATTY, info); } if(res && sendBroadCast) { boolean systemUpdate = info.isRemovedPackageSystemUpdate; info.sendBroadcast(deleteCodeAndResources, systemUpdate); // If the removed package was a system update, the old system packaged // was re-enabled; we need to broadcast this information if (systemUpdate) { Bundle extras = new Bundle(1); extras.putInt(Intent.EXTRA_UID, info.removedUid >= 0 ? info.removedUid : info.uid); extras.putBoolean(Intent.EXTRA_REPLACING, true); sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, extras, null); sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, extras, null); } } // Force a gc here. Runtime.getRuntime().gc(); // Delete the resources here after sending the broadcast to let // other processes clean up before deleting resources. if (info.args != null) { synchronized (mInstallLock) { info.args.doPostDeleteLI(deleteCodeAndResources); } } return res; } static class PackageRemovedInfo { String removedPackage; int uid = -1; int removedUid = -1; boolean isRemovedPackageSystemUpdate = false; // Clean up resources deleted packages. InstallArgs args = null; void sendBroadcast(boolean fullRemove, boolean replacing) { Bundle extras = new Bundle(1); extras.putInt(Intent.EXTRA_UID, removedUid >= 0 ? removedUid : uid); extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); if (replacing) { extras.putBoolean(Intent.EXTRA_REPLACING, true); } if (removedPackage != null) { sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, extras, null); } if (removedUid >= 0) { sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null); } } } /* * This method deletes the package from internal data structures. If the DONT_DELETE_DATA * flag is not set, the data directory is removed as well. * make sure this flag is set for partially installed apps. If not its meaningless to * delete a partially installed application. */ private void removePackageDataLI(PackageParser.Package p, PackageRemovedInfo outInfo, int flags) { String packageName = p.packageName; if (outInfo != null) { outInfo.removedPackage = packageName; } removePackageLI(p, (flags&REMOVE_CHATTY) != 0); // Retrieve object to delete permissions for shared user later on PackageSetting deletedPs; synchronized (mPackages) { deletedPs = mSettings.mPackages.get(packageName); } if ((flags&PackageManager.DONT_DELETE_DATA) == 0) { if (mInstaller != null) { int retCode = mInstaller.remove(packageName); if (retCode < 0) { Slog.w(TAG, "Couldn't remove app data or cache directory for package: " + packageName + ", retcode=" + retCode); // we don't consider this to be a failure of the core package deletion } } else { //for emulator PackageParser.Package pkg = mPackages.get(packageName); File dataDir = new File(pkg.applicationInfo.dataDir); dataDir.delete(); } schedulePackageCleaning(packageName); } synchronized (mPackages) { if (deletedPs != null) { if ((flags&PackageManager.DONT_DELETE_DATA) == 0) { if (outInfo != null) { outInfo.removedUid = mSettings.removePackageLP(packageName); } if (deletedPs != null) { updatePermissionsLP(deletedPs.name, null, false, false, false); if (deletedPs.sharedUser != null) { // remove permissions associated with package mSettings.updateSharedUserPermsLP(deletedPs, mGlobalGids); } } } // remove from preferred activities. ArrayList removed = new ArrayList(); for (PreferredActivity pa : mSettings.mPreferredActivities.filterSet()) { if (pa.mActivity.getPackageName().equals(deletedPs.name)) { removed.add(pa); } } for (PreferredActivity pa : removed) { mSettings.mPreferredActivities.removeFilter(pa); } } // Save settings now mSettings.writeLP(); } } /* * Tries to delete system package. */ private boolean deleteSystemPackageLI(PackageParser.Package p, int flags, PackageRemovedInfo outInfo) { ApplicationInfo applicationInfo = p.applicationInfo; //applicable for non-partially installed applications only if (applicationInfo == null) { Slog.w(TAG, "Package " + p.packageName + " has no applicationInfo."); return false; } PackageSetting ps = null; // Confirm if the system package has been updated // An updated system app can be deleted. This will also have to restore // the system pkg from system partition synchronized (mPackages) { ps = mSettings.getDisabledSystemPkg(p.packageName); } if (ps == null) { Slog.w(TAG, "Attempt to delete system package "+ p.packageName); return false; } else { Log.i(TAG, "Deleting system pkg from data partition"); } // Delete the updated package outInfo.isRemovedPackageSystemUpdate = true; boolean deleteCodeAndResources = false; if (ps.versionCode < p.mVersionCode) { // Delete code and resources for downgrades deleteCodeAndResources = true; if ((flags & PackageManager.DONT_DELETE_DATA) == 0) { flags &= ~PackageManager.DONT_DELETE_DATA; } } else { // Preserve data by setting flag if ((flags & PackageManager.DONT_DELETE_DATA) == 0) { flags |= PackageManager.DONT_DELETE_DATA; } } boolean ret = deleteInstalledPackageLI(p, deleteCodeAndResources, flags, outInfo); if (!ret) { return false; } synchronized (mPackages) { // Reinstate the old system package mSettings.enableSystemPackageLP(p.packageName); // Remove any native libraries. removeNativeBinariesLI(p); } // Install the system package PackageParser.Package newPkg = scanPackageLI(ps.codePath, PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM, SCAN_MONITOR | SCAN_NO_PATHS); if (newPkg == null) { Slog.w(TAG, "Failed to restore system package:"+p.packageName+" with error:" + mLastScanError); return false; } synchronized (mPackages) { updatePermissionsLP(newPkg.packageName, newPkg, true, true, false); mSettings.writeLP(); } return true; } private boolean deleteInstalledPackageLI(PackageParser.Package p, boolean deleteCodeAndResources, int flags, PackageRemovedInfo outInfo) { ApplicationInfo applicationInfo = p.applicationInfo; if (applicationInfo == null) { Slog.w(TAG, "Package " + p.packageName + " has no applicationInfo."); return false; } if (outInfo != null) { outInfo.uid = applicationInfo.uid; } // Delete package data from internal structures and also remove data if flag is set removePackageDataLI(p, outInfo, flags); // Delete application code and resources if (deleteCodeAndResources) { // TODO can pick up from PackageSettings as well int installFlags = ((p.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE)!=0) ? PackageManager.INSTALL_EXTERNAL : 0; installFlags |= ((p.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK)!=0) ? PackageManager.INSTALL_FORWARD_LOCK : 0; outInfo.args = createInstallArgs(installFlags, applicationInfo.sourceDir, applicationInfo.publicSourceDir); } return true; } /* * This method handles package deletion in general */ private boolean deletePackageLI(String packageName, boolean deleteCodeAndResources, int flags, PackageRemovedInfo outInfo) { if (packageName == null) { Slog.w(TAG, "Attempt to delete null packageName."); return false; } PackageParser.Package p; boolean dataOnly = false; synchronized (mPackages) { p = mPackages.get(packageName); if (p == null) { //this retrieves partially installed apps dataOnly = true; PackageSetting ps = mSettings.mPackages.get(packageName); if (ps == null) { Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); return false; } p = ps.pkg; } } if (p == null) { Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); return false; } if (dataOnly) { // Delete application data first removePackageDataLI(p, outInfo, flags); return true; } // At this point the package should have ApplicationInfo associated with it if (p.applicationInfo == null) { Slog.w(TAG, "Package " + p.packageName + " has no applicationInfo."); return false; } boolean ret = false; if ( (p.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { Log.i(TAG, "Removing system package:"+p.packageName); // When an updated system application is deleted we delete the existing resources as well and // fall back to existing code in system partition ret = deleteSystemPackageLI(p, flags, outInfo); } else { Log.i(TAG, "Removing non-system package:"+p.packageName); // Kill application pre-emptively especially for apps on sd. killApplication(packageName, p.applicationInfo.uid); ret = deleteInstalledPackageLI(p, deleteCodeAndResources, flags, outInfo); } return ret; } public void clearApplicationUserData(final String packageName, final IPackageDataObserver observer) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.CLEAR_APP_USER_DATA, null); // Queue up an async operation since the package deletion may take a little while. mHandler.post(new Runnable() { public void run() { mHandler.removeCallbacks(this); final boolean succeeded; synchronized (mInstallLock) { succeeded = clearApplicationUserDataLI(packageName); } if (succeeded) { // invoke DeviceStorageMonitor's update method to clear any notifications DeviceStorageMonitorService dsm = (DeviceStorageMonitorService) ServiceManager.getService(DeviceStorageMonitorService.SERVICE); if (dsm != null) { dsm.updateMemory(); } } if(observer != null) { try { observer.onRemoveCompleted(packageName, succeeded); } catch (RemoteException e) { Log.i(TAG, "Observer no longer exists."); } } //end if observer } //end run }); } private boolean clearApplicationUserDataLI(String packageName) { if (packageName == null) { Slog.w(TAG, "Attempt to delete null packageName."); return false; } PackageParser.Package p; boolean dataOnly = false; synchronized (mPackages) { p = mPackages.get(packageName); if(p == null) { dataOnly = true; PackageSetting ps = mSettings.mPackages.get(packageName); if((ps == null) || (ps.pkg == null)) { Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); return false; } p = ps.pkg; } } 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; } } if (mInstaller != null) { int retCode = mInstaller.clearUserData(packageName); if (retCode < 0) { Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); return false; } } return true; } public void deleteApplicationCacheFiles(final String packageName, final IPackageDataObserver observer) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.DELETE_CACHE_FILES, null); // Queue up an async operation since the package deletion may take a little while. mHandler.post(new Runnable() { public void run() { mHandler.removeCallbacks(this); final boolean succeded; synchronized (mInstallLock) { succeded = deleteApplicationCacheFilesLI(packageName); } if(observer != null) { try { observer.onRemoveCompleted(packageName, succeded); } catch (RemoteException e) { Log.i(TAG, "Observer no longer exists."); } } //end if observer } //end run }); } private boolean deleteApplicationCacheFilesLI(String packageName) { if (packageName == null) { Slog.w(TAG, "Attempt to delete null packageName."); return false; } PackageParser.Package p; synchronized (mPackages) { p = mPackages.get(packageName); } if (p == null) { Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); return false; } final ApplicationInfo applicationInfo = p.applicationInfo; if (applicationInfo == null) { Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); return false; } if (mInstaller != null) { int retCode = mInstaller.deleteCacheFiles(packageName); if (retCode < 0) { Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); return false; } } return true; } public void getPackageSizeInfo(final String packageName, final IPackageStatsObserver observer) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.GET_PACKAGE_SIZE, null); // Queue up an async operation since the package deletion may take a little while. mHandler.post(new Runnable() { public void run() { mHandler.removeCallbacks(this); PackageStats lStats = new PackageStats(packageName); final boolean succeded; synchronized (mInstallLock) { succeded = getPackageSizeInfoLI(packageName, lStats); } if(observer != null) { try { observer.onGetStatsCompleted(lStats, succeded); } catch (RemoteException e) { Log.i(TAG, "Observer no longer exists."); } } //end if observer } //end run }); } private boolean getPackageSizeInfoLI(String packageName, PackageStats pStats) { if (packageName == null) { Slog.w(TAG, "Attempt to get size of null packageName."); return false; } PackageParser.Package p; boolean dataOnly = false; synchronized (mPackages) { p = mPackages.get(packageName); if(p == null) { dataOnly = true; PackageSetting ps = mSettings.mPackages.get(packageName); if((ps == null) || (ps.pkg == null)) { Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); return false; } p = ps.pkg; } } String publicSrcDir = null; if(!dataOnly) { final ApplicationInfo applicationInfo = p.applicationInfo; if (applicationInfo == null) { Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); return false; } publicSrcDir = isForwardLocked(p) ? applicationInfo.publicSourceDir : null; } if (mInstaller != null) { int res = mInstaller.getSizeInfo(packageName, p.mPath, publicSrcDir, pStats); if (res < 0) { return false; } else { return true; } } return true; } public void addPackageToPreferred(String packageName) { Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); } public void removePackageFromPreferred(String packageName) { Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); } public List getPreferredPackages(int flags) { return new ArrayList(); } int getUidTargetSdkVersionLockedLP(int uid) { Object obj = mSettings.getUserIdLP(uid); if (obj instanceof SharedUserSetting) { SharedUserSetting sus = (SharedUserSetting)obj; final int N = sus.packages.size(); int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; Iterator it = sus.packages.iterator(); int i=0; while (it.hasNext()) { PackageSetting ps = it.next(); if (ps.pkg != null) { int v = ps.pkg.applicationInfo.targetSdkVersion; if (v < vers) vers = v; } } return vers; } else if (obj instanceof PackageSetting) { PackageSetting ps = (PackageSetting)obj; if (ps.pkg != null) { return ps.pkg.applicationInfo.targetSdkVersion; } } return Build.VERSION_CODES.CUR_DEVELOPMENT; } public void addPreferredActivity(IntentFilter filter, int match, ComponentName[] set, ComponentName activity) { synchronized (mPackages) { if (mContext.checkCallingOrSelfPermission( android.Manifest.permission.SET_PREFERRED_APPLICATIONS) != PackageManager.PERMISSION_GRANTED) { if (getUidTargetSdkVersionLockedLP(Binder.getCallingUid()) < Build.VERSION_CODES.FROYO) { Slog.w(TAG, "Ignoring addPreferredActivity() from uid " + Binder.getCallingUid()); return; } mContext.enforceCallingOrSelfPermission( android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); } Slog.i(TAG, "Adding preferred activity " + activity + ":"); filter.dump(new LogPrinter(Log.INFO, TAG), " "); mSettings.mPreferredActivities.addFilter( new PreferredActivity(filter, match, set, activity)); scheduleWriteSettingsLocked(); } } public void replacePreferredActivity(IntentFilter filter, int match, ComponentName[] set, ComponentName activity) { if (filter.countActions() != 1) { throw new IllegalArgumentException( "replacePreferredActivity expects filter to have only 1 action."); } if (filter.countCategories() != 1) { throw new IllegalArgumentException( "replacePreferredActivity expects filter to have only 1 category."); } if (filter.countDataAuthorities() != 0 || filter.countDataPaths() != 0 || filter.countDataSchemes() != 0 || filter.countDataTypes() != 0) { throw new IllegalArgumentException( "replacePreferredActivity expects filter to have no data authorities, " + "paths, schemes or types."); } synchronized (mPackages) { if (mContext.checkCallingOrSelfPermission( android.Manifest.permission.SET_PREFERRED_APPLICATIONS) != PackageManager.PERMISSION_GRANTED) { if (getUidTargetSdkVersionLockedLP(Binder.getCallingUid()) < Build.VERSION_CODES.FROYO) { Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " + Binder.getCallingUid()); return; } mContext.enforceCallingOrSelfPermission( android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); } Iterator it = mSettings.mPreferredActivities.filterIterator(); String action = filter.getAction(0); String category = filter.getCategory(0); while (it.hasNext()) { PreferredActivity pa = it.next(); if (pa.getAction(0).equals(action) && pa.getCategory(0).equals(category)) { it.remove(); Log.i(TAG, "Removed preferred activity " + pa.mActivity + ":"); filter.dump(new LogPrinter(Log.INFO, TAG), " "); } } addPreferredActivity(filter, match, set, activity); } } public void clearPackagePreferredActivities(String packageName) { synchronized (mPackages) { int uid = Binder.getCallingUid(); PackageParser.Package pkg = mPackages.get(packageName); if (pkg == null || pkg.applicationInfo.uid != uid) { if (mContext.checkCallingOrSelfPermission( android.Manifest.permission.SET_PREFERRED_APPLICATIONS) != PackageManager.PERMISSION_GRANTED) { if (getUidTargetSdkVersionLockedLP(Binder.getCallingUid()) < Build.VERSION_CODES.FROYO) { Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " + Binder.getCallingUid()); return; } mContext.enforceCallingOrSelfPermission( android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); } } if (clearPackagePreferredActivitiesLP(packageName)) { scheduleWriteSettingsLocked(); } } } boolean clearPackagePreferredActivitiesLP(String packageName) { boolean changed = false; Iterator it = mSettings.mPreferredActivities.filterIterator(); while (it.hasNext()) { PreferredActivity pa = it.next(); if (pa.mActivity.getPackageName().equals(packageName)) { it.remove(); changed = true; } } return changed; } public int getPreferredActivities(List outFilters, List outActivities, String packageName) { int num = 0; synchronized (mPackages) { Iterator it = mSettings.mPreferredActivities.filterIterator(); while (it.hasNext()) { PreferredActivity pa = it.next(); if (packageName == null || pa.mActivity.getPackageName().equals(packageName)) { if (outFilters != null) { outFilters.add(new IntentFilter(pa)); } if (outActivities != null) { outActivities.add(pa.mActivity); } } } } return num; } public void setApplicationEnabledSetting(String appPackageName, int newState, int flags) { setEnabledSetting(appPackageName, null, newState, flags); } public void setComponentEnabledSetting(ComponentName componentName, int newState, int flags) { setEnabledSetting(componentName.getPackageName(), componentName.getClassName(), newState, flags); } private void setEnabledSetting( final String packageName, String className, int newState, final int flags) { if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT || newState == COMPONENT_ENABLED_STATE_ENABLED || newState == COMPONENT_ENABLED_STATE_DISABLED)) { throw new IllegalArgumentException("Invalid new component state: " + newState); } PackageSetting pkgSetting; final int uid = Binder.getCallingUid(); final int permission = mContext.checkCallingPermission( android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); boolean sendNow = false; boolean isApp = (className == null); String componentName = isApp ? packageName : className; int packageUid = -1; ArrayList components; synchronized (mPackages) { pkgSetting = mSettings.mPackages.get(packageName); if (pkgSetting == null) { if (className == null) { throw new IllegalArgumentException( "Unknown package: " + packageName); } throw new IllegalArgumentException( "Unknown component: " + packageName + "/" + className); } if (!allowedByPermission && (uid != pkgSetting.userId)) { throw new SecurityException( "Permission Denial: attempt to change component state from pid=" + Binder.getCallingPid() + ", uid=" + uid + ", package uid=" + pkgSetting.userId); } if (className == null) { // We're dealing with an application/package level state change if (pkgSetting.enabled == newState) { // Nothing to do return; } pkgSetting.enabled = newState; } else { // We're dealing with a component level state change switch (newState) { case COMPONENT_ENABLED_STATE_ENABLED: if (!pkgSetting.enableComponentLP(className)) { return; } break; case COMPONENT_ENABLED_STATE_DISABLED: if (!pkgSetting.disableComponentLP(className)) { return; } break; case COMPONENT_ENABLED_STATE_DEFAULT: if (!pkgSetting.restoreComponentLP(className)) { return; } break; default: Slog.e(TAG, "Invalid new component state: " + newState); return; } } mSettings.writeLP(); packageUid = pkgSetting.userId; components = mPendingBroadcasts.get(packageName); boolean newPackage = components == null; if (newPackage) { components = new ArrayList(); } 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 componentNames, int packageUid) { if (false) Log.v(TAG, "Sending package changed: package=" + packageName + " components=" + componentNames); Bundle extras = new Bundle(4); extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); String nameList[] = new String[componentNames.size()]; componentNames.toArray(nameList); extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); extras.putInt(Intent.EXTRA_UID, packageUid); sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null); } public String getInstallerPackageName(String packageName) { synchronized (mPackages) { PackageSetting pkg = mSettings.mPackages.get(packageName); if (pkg == null) { throw new IllegalArgumentException("Unknown package: " + packageName); } return pkg.installerPackageName; } } public int getApplicationEnabledSetting(String appPackageName) { synchronized (mPackages) { PackageSetting pkg = mSettings.mPackages.get(appPackageName); if (pkg == null) { throw new IllegalArgumentException("Unknown package: " + appPackageName); } return pkg.enabled; } } public int getComponentEnabledSetting(ComponentName componentName) { synchronized (mPackages) { final String packageNameStr = componentName.getPackageName(); PackageSetting pkg = mSettings.mPackages.get(packageNameStr); if (pkg == null) { throw new IllegalArgumentException("Unknown component: " + componentName); } final String classNameStr = componentName.getClassName(); return pkg.currentEnabledStateLP(classNameStr); } } public void enterSafeMode() { if (!mSystemReady) { mSafeMode = true; } } public void systemReady() { mSystemReady = true; // Read the compatibilty setting when the system is ready. boolean compatibilityModeEnabled = android.provider.Settings.System.getInt( mContext.getContentResolver(), android.provider.Settings.System.COMPATIBILITY_MODE, 1) == 1; PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); if (DEBUG_SETTINGS) { Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); } } public boolean isSafeMode() { return mSafeMode; } public boolean hasSystemUidErrors() { return mHasSystemUidErrors; } static String arrayToString(int[] array) { StringBuffer buf = new StringBuffer(128); buf.append('['); if (array != null) { for (int i=0; i 0) buf.append(", "); buf.append(array[i]); } } buf.append(']'); return buf.toString(); } @Override protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) != PackageManager.PERMISSION_GRANTED) { pw.println("Permission Denial: can't dump ActivityManager from from pid=" + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid() + " without permission " + android.Manifest.permission.DUMP); return; } 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] [cmd] ..."); pw.println(" cmd may be one of:"); pw.println(" [package.name]: info about given package"); return; } 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; } } boolean printedTitle = false; synchronized (mPackages) { if (mActivities.dump(pw, "Activity Resolver Table:", " ", packageName)) { printedTitle = true; } if (mReceivers.dump(pw, printedTitle ? "\nReceiver Resolver Table:" : "Receiver Resolver Table:", " ", packageName)) { printedTitle = true; } if (mServices.dump(pw, printedTitle ? "\nService Resolver Table:" : "Service Resolver Table:", " ", packageName)) { printedTitle = true; } if (mSettings.mPreferredActivities.dump(pw, printedTitle ? "\nPreferred Activities:" : "Preferred Activities:", " ", packageName)) { printedTitle = true; } boolean printedSomething = false; { for (BasePermission p : mSettings.mPermissions.values()) { if (packageName != null && !packageName.equals(p.sourcePackage)) { continue; } if (!printedSomething) { if (printedTitle) pw.println(" "); pw.println("Permissions:"); printedSomething = true; printedTitle = true; } pw.print(" Permission ["); pw.print(p.name); pw.print("] ("); pw.print(Integer.toHexString(System.identityHashCode(p))); pw.println("):"); pw.print(" sourcePackage="); pw.println(p.sourcePackage); pw.print(" uid="); pw.print(p.uid); pw.print(" gids="); pw.print(arrayToString(p.gids)); pw.print(" type="); pw.print(p.type); pw.print(" prot="); pw.println(p.protectionLevel); if (p.packageSetting != null) { pw.print(" packageSetting="); pw.println(p.packageSetting); } if (p.perm != null) { pw.print(" perm="); pw.println(p.perm); } } } printedSomething = false; SharedUserSetting packageSharedUser = null; { for (PackageSetting ps : mSettings.mPackages.values()) { if (packageName != null && !packageName.equals(ps.realName) && !packageName.equals(ps.name)) { continue; } if (!printedSomething) { if (printedTitle) pw.println(" "); pw.println("Packages:"); printedSomething = true; printedTitle = true; } packageSharedUser = ps.sharedUser; pw.print(" Package ["); pw.print(ps.realName != null ? ps.realName : ps.name); pw.print("] ("); pw.print(Integer.toHexString(System.identityHashCode(ps))); pw.println("):"); if (ps.realName != null) { pw.print(" compat name="); pw.println(ps.name); } pw.print(" userId="); pw.print(ps.userId); pw.print(" gids="); pw.println(arrayToString(ps.gids)); pw.print(" sharedUser="); pw.println(ps.sharedUser); pw.print(" pkg="); pw.println(ps.pkg); pw.print(" codePath="); pw.println(ps.codePathString); pw.print(" resourcePath="); pw.println(ps.resourcePathString); if (ps.pkg != null) { pw.print(" dataDir="); pw.println(ps.pkg.applicationInfo.dataDir); pw.print(" targetSdk="); pw.println(ps.pkg.applicationInfo.targetSdkVersion); pw.print(" supportsScreens=["); boolean first = true; if ((ps.pkg.applicationInfo.flags & ApplicationInfo.FLAG_SUPPORTS_NORMAL_SCREENS) != 0) { if (!first) pw.print(", "); first = false; pw.print("medium"); } if ((ps.pkg.applicationInfo.flags & ApplicationInfo.FLAG_SUPPORTS_LARGE_SCREENS) != 0) { if (!first) pw.print(", "); first = false; pw.print("large"); } if ((ps.pkg.applicationInfo.flags & ApplicationInfo.FLAG_SUPPORTS_SMALL_SCREENS) != 0) { if (!first) pw.print(", "); first = false; pw.print("small"); } if ((ps.pkg.applicationInfo.flags & ApplicationInfo.FLAG_RESIZEABLE_FOR_SCREENS) != 0) { if (!first) pw.print(", "); first = false; pw.print("resizeable"); } if ((ps.pkg.applicationInfo.flags & ApplicationInfo.FLAG_SUPPORTS_SCREEN_DENSITIES) != 0) { if (!first) pw.print(", "); first = false; pw.print("anyDensity"); } } pw.println("]"); pw.print(" timeStamp="); pw.println(ps.getTimeStampStr()); pw.print(" signatures="); pw.println(ps.signatures); pw.print(" permissionsFixed="); pw.print(ps.permissionsFixed); pw.print(" haveGids="); pw.println(ps.haveGids); pw.print(" pkgFlags=0x"); pw.print(Integer.toHexString(ps.pkgFlags)); pw.print(" installStatus="); pw.print(ps.installStatus); pw.print(" enabled="); pw.println(ps.enabled); if (ps.disabledComponents.size() > 0) { pw.println(" disabledComponents:"); for (String s : ps.disabledComponents) { pw.print(" "); pw.println(s); } } if (ps.enabledComponents.size() > 0) { pw.println(" enabledComponents:"); for (String s : ps.enabledComponents) { pw.print(" "); pw.println(s); } } if (ps.grantedPermissions.size() > 0) { pw.println(" grantedPermissions:"); for (String s : ps.grantedPermissions) { pw.print(" "); pw.println(s); } } } } printedSomething = false; if (mSettings.mRenamedPackages.size() > 0) { for (HashMap.Entry e : mSettings.mRenamedPackages.entrySet()) { if (packageName != null && !packageName.equals(e.getKey()) && !packageName.equals(e.getValue())) { continue; } if (!printedSomething) { if (printedTitle) pw.println(" "); pw.println("Renamed packages:"); printedSomething = true; printedTitle = true; } pw.print(" "); pw.print(e.getKey()); pw.print(" -> "); pw.println(e.getValue()); } } printedSomething = false; if (mSettings.mDisabledSysPackages.size() > 0) { for (PackageSetting ps : mSettings.mDisabledSysPackages.values()) { if (packageName != null && !packageName.equals(ps.realName) && !packageName.equals(ps.name)) { continue; } if (!printedSomething) { if (printedTitle) pw.println(" "); pw.println("Hidden system packages:"); printedSomething = true; printedTitle = true; } pw.print(" Package ["); pw.print(ps.realName != null ? ps.realName : ps.name); pw.print("] ("); pw.print(Integer.toHexString(System.identityHashCode(ps))); pw.println("):"); if (ps.realName != null) { pw.print(" compat name="); pw.println(ps.name); } pw.print(" userId="); pw.println(ps.userId); pw.print(" sharedUser="); pw.println(ps.sharedUser); pw.print(" codePath="); pw.println(ps.codePathString); pw.print(" resourcePath="); pw.println(ps.resourcePathString); } } printedSomething = false; { for (SharedUserSetting su : mSettings.mSharedUsers.values()) { if (packageName != null && su != packageSharedUser) { continue; } if (!printedSomething) { if (printedTitle) pw.println(" "); pw.println("Shared users:"); printedSomething = true; printedTitle = true; } pw.print(" SharedUser ["); pw.print(su.name); pw.print("] ("); pw.print(Integer.toHexString(System.identityHashCode(su))); pw.println("):"); pw.print(" userId="); pw.print(su.userId); pw.print(" gids="); pw.println(arrayToString(su.gids)); pw.println(" grantedPermissions:"); for (String s : su.grantedPermissions) { pw.print(" "); pw.println(s); } } } if (packageName == null) { if (printedTitle) pw.println(" "); printedTitle = true; pw.println("Settings parse messages:"); pw.println(mSettings.mReadMessages.toString()); pw.println(" "); pw.println("Package warning messages:"); File fname = getSettingsProblemFile(); FileInputStream in; try { in = new FileInputStream(fname); int avail = in.available(); byte[] data = new byte[avail]; in.read(data); pw.println(new String(data)); } catch (FileNotFoundException e) { } catch (IOException e) { } } } synchronized (mProviders) { boolean printedSomething = false; for (PackageParser.Provider p : mProviders.values()) { if (packageName != null && !packageName.equals(p.info.packageName)) { continue; } if (!printedSomething) { if (printedTitle) pw.println(" "); pw.println("Registered ContentProviders:"); printedSomething = true; printedTitle = true; } pw.print(" ["); pw.print(p.info.authority); pw.print("]: "); pw.println(p.toString()); } } } static final class BasePermission { final static int TYPE_NORMAL = 0; final static int TYPE_BUILTIN = 1; final static int TYPE_DYNAMIC = 2; final String name; String sourcePackage; PackageSettingBase packageSetting; final int type; int protectionLevel; PackageParser.Permission perm; PermissionInfo pendingInfo; int uid; int[] gids; BasePermission(String _name, String _sourcePackage, int _type) { name = _name; sourcePackage = _sourcePackage; type = _type; // Default to most conservative protection level. protectionLevel = PermissionInfo.PROTECTION_SIGNATURE; } public String toString() { return "BasePermission{" + Integer.toHexString(System.identityHashCode(this)) + " " + name + "}"; } } static class PackageSignatures { private Signature[] mSignatures; PackageSignatures(Signature[] sigs) { assignSignatures(sigs); } PackageSignatures() { } void writeXml(XmlSerializer serializer, String tagName, ArrayList pastSignatures) throws IOException { if (mSignatures == null) { return; } serializer.startTag(null, tagName); serializer.attribute(null, "count", Integer.toString(mSignatures.length)); for (int i=0; i= numPast) { pastSignatures.add(sig); serializer.attribute(null, "index", Integer.toString(numPast)); serializer.attribute(null, "key", sig.toCharsString()); } serializer.endTag(null, "cert"); } serializer.endTag(null, tagName); } void readXml(XmlPullParser parser, ArrayList pastSignatures) throws IOException, XmlPullParserException { String countStr = parser.getAttributeValue(null, "count"); if (countStr == null) { reportSettingsProblem(Log.WARN, "Error in package manager settings: has" + " no count at " + parser.getPositionDescription()); XmlUtils.skipCurrentTag(parser); } final int count = Integer.parseInt(countStr); mSignatures = new Signature[count]; int pos = 0; int outerDepth = parser.getDepth(); int type; while ((type=parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { continue; } String tagName = parser.getName(); if (tagName.equals("cert")) { if (pos < count) { String index = parser.getAttributeValue(null, "index"); if (index != null) { try { int idx = Integer.parseInt(index); String key = parser.getAttributeValue(null, "key"); if (key == null) { if (idx >= 0 && idx < pastSignatures.size()) { Signature sig = pastSignatures.get(idx); if (sig != null) { mSignatures[pos] = pastSignatures.get(idx); pos++; } else { reportSettingsProblem(Log.WARN, "Error in package manager settings: " + "index " + index + " is not defined at " + parser.getPositionDescription()); } } else { reportSettingsProblem(Log.WARN, "Error in package manager settings: " + "index " + index + " is out of bounds at " + parser.getPositionDescription()); } } else { while (pastSignatures.size() <= idx) { pastSignatures.add(null); } Signature sig = new Signature(key); pastSignatures.set(idx, sig); mSignatures[pos] = sig; pos++; } } catch (NumberFormatException e) { reportSettingsProblem(Log.WARN, "Error in package manager settings: " + "index " + index + " is not a number at " + parser.getPositionDescription()); } } else { reportSettingsProblem(Log.WARN, "Error in package manager settings: has" + " no index at " + parser.getPositionDescription()); } } else { reportSettingsProblem(Log.WARN, "Error in package manager settings: too " + "many tags, expected " + count + " at " + parser.getPositionDescription()); } } else { reportSettingsProblem(Log.WARN, "Unknown element under : " + parser.getName()); } XmlUtils.skipCurrentTag(parser); } if (pos < count) { // Should never happen -- there is an error in the written // settings -- but if it does we don't want to generate // a bad array. Signature[] newSigs = new Signature[pos]; System.arraycopy(mSignatures, 0, newSigs, 0, pos); mSignatures = newSigs; } } private void assignSignatures(Signature[] sigs) { if (sigs == null) { mSignatures = null; return; } mSignatures = new Signature[sigs.length]; for (int i=0; i 0) buf.append(", "); buf.append(Integer.toHexString( System.identityHashCode(mSignatures[i]))); } } buf.append("]}"); return buf.toString(); } } static class PreferredActivity extends IntentFilter { final int mMatch; final String[] mSetPackages; final String[] mSetClasses; final String[] mSetComponents; final ComponentName mActivity; final String mShortActivity; String mParseError; PreferredActivity(IntentFilter filter, int match, ComponentName[] set, ComponentName activity) { super(filter); mMatch = match&IntentFilter.MATCH_CATEGORY_MASK; mActivity = activity; mShortActivity = activity.flattenToShortString(); mParseError = null; if (set != null) { final int N = set.length; String[] myPackages = new String[N]; String[] myClasses = new String[N]; String[] myComponents = new String[N]; for (int i=0; i 0 ? new String[setCount] : null; String[] myClasses = setCount > 0 ? new String[setCount] : null; String[] myComponents = setCount > 0 ? new String[setCount] : null; int setPos = 0; int outerDepth = parser.getDepth(); int type; while ((type=parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { continue; } String tagName = parser.getName(); //Log.i(TAG, "Parse outerDepth=" + outerDepth + " depth=" // + parser.getDepth() + " tag=" + tagName); if (tagName.equals("set")) { String name = parser.getAttributeValue(null, "name"); if (name == null) { if (mParseError == null) { mParseError = "No name in set tag in preferred activity " + mShortActivity; } } else if (setPos >= setCount) { if (mParseError == null) { mParseError = "Too many set tags in preferred activity " + mShortActivity; } } else { ComponentName cn = ComponentName.unflattenFromString(name); if (cn == null) { if (mParseError == null) { mParseError = "Bad set name " + name + " in preferred activity " + mShortActivity; } } else { myPackages[setPos] = cn.getPackageName(); myClasses[setPos] = cn.getClassName(); myComponents[setPos] = name; setPos++; } } XmlUtils.skipCurrentTag(parser); } else if (tagName.equals("filter")) { //Log.i(TAG, "Starting to parse filter..."); readFromXml(parser); //Log.i(TAG, "Finished filter: outerDepth=" + outerDepth + " depth=" // + parser.getDepth() + " tag=" + parser.getName()); } else { reportSettingsProblem(Log.WARN, "Unknown element under : " + parser.getName()); XmlUtils.skipCurrentTag(parser); } } if (setPos != setCount) { if (mParseError == null) { mParseError = "Not enough set tags (expected " + setCount + " but found " + setPos + ") in " + mShortActivity; } } mSetPackages = myPackages; mSetClasses = myClasses; mSetComponents = myComponents; } public void writeToXml(XmlSerializer serializer) throws IOException { final int NS = mSetClasses != null ? mSetClasses.length : 0; serializer.attribute(null, "name", mShortActivity); serializer.attribute(null, "match", Integer.toHexString(mMatch)); serializer.attribute(null, "set", Integer.toString(NS)); for (int s=0; s query, int priority) { if (mSetPackages == null) return false; final int NQ = query.size(); final int NS = mSetPackages.length; int numMatch = 0; for (int i=0; i grantedPermissions = new HashSet(); int[] gids; GrantedPermissions(int pkgFlags) { setFlags(pkgFlags); } void setFlags(int pkgFlags) { this.pkgFlags = pkgFlags & ( ApplicationInfo.FLAG_SYSTEM | ApplicationInfo.FLAG_FORWARD_LOCK | ApplicationInfo.FLAG_EXTERNAL_STORAGE); } } /** * Settings base class for pending and resolved classes. */ static class PackageSettingBase extends GrantedPermissions { final String name; final String realName; File codePath; String codePathString; File resourcePath; String resourcePathString; private long timeStamp; private String timeStampString = "0"; int versionCode; boolean uidError; PackageSignatures signatures = new PackageSignatures(); boolean permissionsFixed; boolean haveGids; /* Explicitly disabled components */ HashSet disabledComponents = new HashSet(0); /* Explicitly enabled components */ HashSet enabledComponents = new HashSet(0); int enabled = COMPONENT_ENABLED_STATE_DEFAULT; int installStatus = PKG_INSTALL_COMPLETE; PackageSettingBase origPackage; /* package name of the app that installed this package */ String installerPackageName; PackageSettingBase(String name, String realName, File codePath, File resourcePath, int pVersionCode, int pkgFlags) { super(pkgFlags); this.name = name; this.realName = realName; init(codePath, resourcePath, pVersionCode); } void init(File codePath, File resourcePath, int pVersionCode) { this.codePath = codePath; this.codePathString = codePath.toString(); this.resourcePath = resourcePath; this.resourcePathString = resourcePath.toString(); this.versionCode = pVersionCode; } public void setInstallerPackageName(String packageName) { installerPackageName = packageName; } String getInstallerPackageName() { return installerPackageName; } public void setInstallStatus(int newStatus) { installStatus = newStatus; } public int getInstallStatus() { return installStatus; } public void setTimeStamp(long newStamp) { if (newStamp != timeStamp) { timeStamp = newStamp; timeStampString = Long.toString(newStamp); } } public void setTimeStamp(long newStamp, String newStampStr) { timeStamp = newStamp; timeStampString = newStampStr; } public long getTimeStamp() { return timeStamp; } public String getTimeStampStr() { return timeStampString; } public void copyFrom(PackageSettingBase base) { grantedPermissions = base.grantedPermissions; gids = base.gids; timeStamp = base.timeStamp; timeStampString = base.timeStampString; signatures = base.signatures; permissionsFixed = base.permissionsFixed; haveGids = base.haveGids; disabledComponents = base.disabledComponents; enabledComponents = base.enabledComponents; enabled = base.enabled; installStatus = base.installStatus; } boolean enableComponentLP(String componentClassName) { boolean changed = disabledComponents.remove(componentClassName); changed |= enabledComponents.add(componentClassName); return changed; } boolean disableComponentLP(String componentClassName) { boolean changed = enabledComponents.remove(componentClassName); changed |= disabledComponents.add(componentClassName); return changed; } boolean restoreComponentLP(String componentClassName) { boolean changed = enabledComponents.remove(componentClassName); changed |= disabledComponents.remove(componentClassName); return changed; } int currentEnabledStateLP(String componentName) { if (enabledComponents.contains(componentName)) { return COMPONENT_ENABLED_STATE_ENABLED; } else if (disabledComponents.contains(componentName)) { return COMPONENT_ENABLED_STATE_DISABLED; } else { return COMPONENT_ENABLED_STATE_DEFAULT; } } } /** * Settings data for a particular package we know about. */ static final class PackageSetting extends PackageSettingBase { int userId; PackageParser.Package pkg; SharedUserSetting sharedUser; PackageSetting(String name, String realName, File codePath, File resourcePath, int pVersionCode, int pkgFlags) { super(name, realName, codePath, resourcePath, pVersionCode, pkgFlags); } @Override public String toString() { return "PackageSetting{" + Integer.toHexString(System.identityHashCode(this)) + " " + name + "/" + userId + "}"; } } /** * Settings data for a particular shared user ID we know about. */ static final class SharedUserSetting extends GrantedPermissions { final String name; int userId; final HashSet packages = new HashSet(); final PackageSignatures signatures = new PackageSignatures(); SharedUserSetting(String _name, int _pkgFlags) { super(_pkgFlags); name = _name; } @Override public String toString() { return "SharedUserSetting{" + Integer.toHexString(System.identityHashCode(this)) + " " + name + "/" + userId + "}"; } } /** * Holds information about dynamic settings. */ private static final class Settings { private final File mSettingsFilename; private final File mBackupSettingsFilename; private final File mPackageListFilename; private final HashMap mPackages = new HashMap(); // List of replaced system applications final HashMap mDisabledSysPackages = new HashMap(); // These are the last platform API version we were using for // the apps installed on internal and external storage. It is // used to grant newer permissions one time during a system upgrade. int mInternalSdkPlatform; int mExternalSdkPlatform; // The user's preferred activities associated with particular intent // filters. private final IntentResolver mPreferredActivities = new IntentResolver() { @Override protected String packageForFilter(PreferredActivity filter) { return filter.mActivity.getPackageName(); } @Override protected void dumpFilter(PrintWriter out, String prefix, PreferredActivity filter) { out.print(prefix); out.print( Integer.toHexString(System.identityHashCode(filter))); out.print(' '); out.print(filter.mActivity.flattenToShortString()); out.print(" match=0x"); out.println( Integer.toHexString(filter.mMatch)); if (filter.mSetComponents != null) { out.print(prefix); out.println(" Selected from:"); for (int i=0; i mSharedUsers = new HashMap(); private final ArrayList mUserIds = new ArrayList(); private final SparseArray mOtherUserIds = new SparseArray(); // For reading/writing settings file. private final ArrayList mPastSignatures = new ArrayList(); // Mapping from permission names to info about them. final HashMap mPermissions = new HashMap(); // Mapping from permission tree names to info about them. final HashMap mPermissionTrees = new HashMap(); // Packages that have been uninstalled and still need their external // storage data deleted. final ArrayList mPackagesToBeCleaned = new ArrayList(); // Packages that have been renamed since they were first installed. // Keys are the new names of the packages, values are the original // names. The packages appear everwhere else under their original // names. final HashMap mRenamedPackages = new HashMap(); private final StringBuilder mReadMessages = new StringBuilder(); private static final class PendingPackage extends PackageSettingBase { final int sharedId; PendingPackage(String name, String realName, File codePath, File resourcePath, int sharedId, int pVersionCode, int pkgFlags) { super(name, realName, codePath, resourcePath, pVersionCode, pkgFlags); this.sharedId = sharedId; } } private final ArrayList mPendingPackages = new ArrayList(); Settings() { File dataDir = Environment.getDataDirectory(); File systemDir = new File(dataDir, "system"); // TODO(oam): This secure dir creation needs to be moved somewhere else (later) systemDir.mkdirs(); FileUtils.setPermissions(systemDir.toString(), FileUtils.S_IRWXU|FileUtils.S_IRWXG |FileUtils.S_IROTH|FileUtils.S_IXOTH, -1, -1); mSettingsFilename = new File(systemDir, "packages.xml"); mBackupSettingsFilename = new File(systemDir, "packages-backup.xml"); mPackageListFilename = new File(systemDir, "packages.list"); } PackageSetting getPackageLP(PackageParser.Package pkg, PackageSetting origPackage, String realName, SharedUserSetting sharedUser, File codePath, File resourcePath, int pkgFlags, boolean create, boolean add) { final String name = pkg.packageName; PackageSetting p = getPackageLP(name, origPackage, realName, sharedUser, codePath, resourcePath, pkg.mVersionCode, pkgFlags, create, add); return p; } PackageSetting peekPackageLP(String name) { return mPackages.get(name); /* PackageSetting p = mPackages.get(name); if (p != null && p.codePath.getPath().equals(codePath)) { return p; } return null; */ } void setInstallStatus(String pkgName, int status) { PackageSetting p = mPackages.get(pkgName); if(p != null) { if(p.getInstallStatus() != status) { p.setInstallStatus(status); } } } void setInstallerPackageName(String pkgName, String installerPkgName) { PackageSetting p = mPackages.get(pkgName); if(p != null) { p.setInstallerPackageName(installerPkgName); } } String getInstallerPackageName(String pkgName) { PackageSetting p = mPackages.get(pkgName); return (p == null) ? null : p.getInstallerPackageName(); } int getInstallStatus(String pkgName) { PackageSetting p = mPackages.get(pkgName); if(p != null) { return p.getInstallStatus(); } return -1; } SharedUserSetting getSharedUserLP(String name, int pkgFlags, boolean create) { SharedUserSetting s = mSharedUsers.get(name); if (s == null) { if (!create) { return null; } s = new SharedUserSetting(name, pkgFlags); if (MULTIPLE_APPLICATION_UIDS) { s.userId = newUserIdLP(s); } else { s.userId = FIRST_APPLICATION_UID; } Log.i(TAG, "New shared user " + name + ": id=" + s.userId); // < 0 means we couldn't assign a userid; fall out and return // s, which is currently null if (s.userId >= 0) { mSharedUsers.put(name, s); } } return s; } int disableSystemPackageLP(String name) { PackageSetting p = mPackages.get(name); if(p == null) { Log.w(TAG, "Package:"+name+" is not an installed package"); return -1; } PackageSetting dp = mDisabledSysPackages.get(name); // always make sure the system package code and resource paths dont change if(dp == null) { if((p.pkg != null) && (p.pkg.applicationInfo != null)) { p.pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; } mDisabledSysPackages.put(name, p); } return removePackageLP(name); } PackageSetting enableSystemPackageLP(String name) { PackageSetting p = mDisabledSysPackages.get(name); if(p == null) { Log.w(TAG, "Package:"+name+" is not disabled"); return null; } // Reset flag in ApplicationInfo object if((p.pkg != null) && (p.pkg.applicationInfo != null)) { p.pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; } PackageSetting ret = addPackageLP(name, p.realName, p.codePath, p.resourcePath, p.userId, p.versionCode, p.pkgFlags); mDisabledSysPackages.remove(name); return ret; } PackageSetting addPackageLP(String name, String realName, File codePath, File resourcePath, int uid, int vc, int pkgFlags) { PackageSetting p = mPackages.get(name); if (p != null) { if (p.userId == uid) { return p; } reportSettingsProblem(Log.ERROR, "Adding duplicate package, keeping first: " + name); return null; } p = new PackageSetting(name, realName, codePath, resourcePath, vc, pkgFlags); p.userId = uid; if (addUserIdLP(uid, p, name)) { mPackages.put(name, p); return p; } return null; } SharedUserSetting addSharedUserLP(String name, int uid, int pkgFlags) { SharedUserSetting s = mSharedUsers.get(name); if (s != null) { if (s.userId == uid) { return s; } reportSettingsProblem(Log.ERROR, "Adding duplicate shared user, keeping first: " + name); return null; } s = new SharedUserSetting(name, pkgFlags); s.userId = uid; if (addUserIdLP(uid, s, name)) { mSharedUsers.put(name, s); return s; } return null; } // Transfer ownership of permissions from one package to another. private void transferPermissions(String origPkg, String newPkg) { // Transfer ownership of permissions to the new package. for (int i=0; i<2; i++) { HashMap permissions = i == 0 ? mPermissionTrees : mPermissions; for (BasePermission bp : permissions.values()) { if (origPkg.equals(bp.sourcePackage)) { if (DEBUG_UPGRADE) Log.v(TAG, "Moving permission " + bp.name + " from pkg " + bp.sourcePackage + " to " + newPkg); bp.sourcePackage = newPkg; bp.packageSetting = null; bp.perm = null; if (bp.pendingInfo != null) { bp.pendingInfo.packageName = newPkg; } bp.uid = 0; bp.gids = null; } } } } private PackageSetting getPackageLP(String name, PackageSetting origPackage, String realName, SharedUserSetting sharedUser, File codePath, File resourcePath, int vc, int pkgFlags, boolean create, boolean add) { PackageSetting p = mPackages.get(name); if (p != null) { if (!p.codePath.equals(codePath)) { // Check to see if its a disabled system app if((p != null) && ((p.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0)) { // This is an updated system app with versions in both system // and data partition. Just let the most recent version // take precedence. Slog.w(TAG, "Trying to update system app code path from " + p.codePathString + " to " + codePath.toString()); } else { // Just a change in the code path is not an issue, but // let's log a message about it. Slog.i(TAG, "Package " + name + " codePath changed from " + p.codePath + " to " + codePath + "; Retaining data and using new"); } } if (p.sharedUser != sharedUser) { reportSettingsProblem(Log.WARN, "Package " + name + " shared user changed from " + (p.sharedUser != null ? p.sharedUser.name : "") + " to " + (sharedUser != null ? sharedUser.name : "") + "; replacing with new"); p = null; } else { if ((pkgFlags&ApplicationInfo.FLAG_SYSTEM) != 0) { // If what we are scanning is a system package, then // make it so, regardless of whether it was previously // installed only in the data partition. p.pkgFlags |= ApplicationInfo.FLAG_SYSTEM; } } } if (p == null) { // Create a new PackageSettings entry. this can end up here because // of code path mismatch or user id mismatch of an updated system partition if (!create) { return null; } if (origPackage != null) { // We are consuming the data from an existing package. p = new PackageSetting(origPackage.name, name, codePath, resourcePath, vc, pkgFlags); if (DEBUG_UPGRADE) Log.v(TAG, "Package " + name + " is adopting original package " + origPackage.name); // Note that we will retain the new package's signature so // that we can keep its data. PackageSignatures s = p.signatures; p.copyFrom(origPackage); p.signatures = s; p.sharedUser = origPackage.sharedUser; p.userId = origPackage.userId; p.origPackage = origPackage; mRenamedPackages.put(name, origPackage.name); name = origPackage.name; // Update new package state. p.setTimeStamp(codePath.lastModified()); } else { p = new PackageSetting(name, realName, codePath, resourcePath, vc, pkgFlags); p.setTimeStamp(codePath.lastModified()); p.sharedUser = sharedUser; if (sharedUser != null) { p.userId = sharedUser.userId; } else if (MULTIPLE_APPLICATION_UIDS) { // Clone the setting here for disabled system packages PackageSetting dis = mDisabledSysPackages.get(name); if (dis != null) { // For disabled packages a new setting is created // from the existing user id. This still has to be // added to list of user id's // Copy signatures from previous setting if (dis.signatures.mSignatures != null) { p.signatures.mSignatures = dis.signatures.mSignatures.clone(); } p.userId = dis.userId; // Clone permissions p.grantedPermissions = new HashSet(dis.grantedPermissions); // Clone component info p.disabledComponents = new HashSet(dis.disabledComponents); p.enabledComponents = new HashSet(dis.enabledComponents); // Add new setting to list of user ids addUserIdLP(p.userId, p, name); } else { // Assign new user id p.userId = newUserIdLP(p); } } else { p.userId = FIRST_APPLICATION_UID; } } if (p.userId < 0) { reportSettingsProblem(Log.WARN, "Package " + name + " could not be assigned a valid uid"); return null; } if (add) { // Finish adding new package by adding it and updating shared // user preferences addPackageSettingLP(p, name, sharedUser); } } return p; } private void insertPackageSettingLP(PackageSetting p, PackageParser.Package pkg) { p.pkg = pkg; String codePath = pkg.applicationInfo.sourceDir; String resourcePath = pkg.applicationInfo.publicSourceDir; // Update code path if needed if (!codePath.equalsIgnoreCase(p.codePathString)) { Slog.w(TAG, "Code path for pkg : " + p.pkg.packageName + " changing from " + p.codePathString + " to " + codePath); p.codePath = new File(codePath); p.codePathString = codePath; } //Update resource path if needed if (!resourcePath.equalsIgnoreCase(p.resourcePathString)) { Slog.w(TAG, "Resource path for pkg : " + p.pkg.packageName + " changing from " + p.resourcePathString + " to " + resourcePath); p.resourcePath = new File(resourcePath); p.resourcePathString = resourcePath; } // Update version code if needed if (pkg.mVersionCode != p.versionCode) { p.versionCode = pkg.mVersionCode; } // Update signatures if needed. if (p.signatures.mSignatures == null) { p.signatures.assignSignatures(pkg.mSignatures); } // If this app defines a shared user id initialize // the shared user signatures as well. if (p.sharedUser != null && p.sharedUser.signatures.mSignatures == null) { p.sharedUser.signatures.assignSignatures(pkg.mSignatures); } addPackageSettingLP(p, pkg.packageName, p.sharedUser); } // Utility method that adds a PackageSetting to mPackages and // completes updating the shared user attributes private void addPackageSettingLP(PackageSetting p, String name, SharedUserSetting sharedUser) { mPackages.put(name, p); if (sharedUser != null) { if (p.sharedUser != null && p.sharedUser != sharedUser) { reportSettingsProblem(Log.ERROR, "Package " + p.name + " was user " + p.sharedUser + " but is now " + sharedUser + "; I am not changing its files so it will probably fail!"); p.sharedUser.packages.remove(p); } else if (p.userId != sharedUser.userId) { reportSettingsProblem(Log.ERROR, "Package " + p.name + " was user id " + p.userId + " but is now user " + sharedUser + " with id " + sharedUser.userId + "; I am not changing its files so it will probably fail!"); } sharedUser.packages.add(p); p.sharedUser = sharedUser; p.userId = sharedUser.userId; } } /* * Update the shared user setting when a package using * specifying the shared user id is removed. The gids * associated with each permission of the deleted package * are removed from the shared user's gid list only if its * not in use by other permissions of packages in the * shared user setting. */ private void updateSharedUserPermsLP(PackageSetting deletedPs, int[] globalGids) { if ( (deletedPs == null) || (deletedPs.pkg == null)) { Slog.i(TAG, "Trying to update info for null package. Just ignoring"); return; } // No sharedUserId if (deletedPs.sharedUser == null) { return; } SharedUserSetting sus = deletedPs.sharedUser; // Update permissions for (String eachPerm: deletedPs.pkg.requestedPermissions) { boolean used = false; if (!sus.grantedPermissions.contains (eachPerm)) { continue; } for (PackageSetting pkg:sus.packages) { if (pkg.pkg != null && !pkg.pkg.packageName.equals(deletedPs.pkg.packageName) && pkg.pkg.requestedPermissions.contains(eachPerm)) { used = true; break; } } if (!used) { // can safely delete this permission from list sus.grantedPermissions.remove(eachPerm); } } // Update gids int newGids[] = globalGids; for (String eachPerm : sus.grantedPermissions) { BasePermission bp = mPermissions.get(eachPerm); if (bp != null) { newGids = appendInts(newGids, bp.gids); } } sus.gids = newGids; } private int removePackageLP(String name) { PackageSetting p = mPackages.get(name); if (p != null) { mPackages.remove(name); if (p.sharedUser != null) { p.sharedUser.packages.remove(p); if (p.sharedUser.packages.size() == 0) { mSharedUsers.remove(p.sharedUser.name); removeUserIdLP(p.sharedUser.userId); return p.sharedUser.userId; } } else { removeUserIdLP(p.userId); return p.userId; } } return -1; } private boolean addUserIdLP(int uid, Object obj, Object name) { if (uid >= FIRST_APPLICATION_UID + MAX_APPLICATION_UIDS) { return false; } if (uid >= FIRST_APPLICATION_UID) { int N = mUserIds.size(); final int index = uid - FIRST_APPLICATION_UID; while (index >= N) { mUserIds.add(null); N++; } if (mUserIds.get(index) != null) { reportSettingsProblem(Log.ERROR, "Adding duplicate user id: " + uid + " name=" + name); return false; } mUserIds.set(index, obj); } else { if (mOtherUserIds.get(uid) != null) { reportSettingsProblem(Log.ERROR, "Adding duplicate shared id: " + uid + " name=" + name); return false; } mOtherUserIds.put(uid, obj); } return true; } public Object getUserIdLP(int uid) { if (uid >= FIRST_APPLICATION_UID) { int N = mUserIds.size(); final int index = uid - FIRST_APPLICATION_UID; return index < N ? mUserIds.get(index) : null; } else { return mOtherUserIds.get(uid); } } private Set findPackagesWithFlag(int flag) { Set ret = new HashSet(); for (PackageSetting ps : mPackages.values()) { // Has to match atleast all the flag bits set on flag if ((ps.pkgFlags & flag) == flag) { ret.add(ps.name); } } return ret; } private void removeUserIdLP(int uid) { if (uid >= FIRST_APPLICATION_UID) { int N = mUserIds.size(); final int index = uid - FIRST_APPLICATION_UID; if (index < N) mUserIds.set(index, null); } else { mOtherUserIds.remove(uid); } } void writeLP() { //Debug.startMethodTracing("/data/system/packageprof", 8 * 1024 * 1024); // Keep the old settings around until we know the new ones have // been successfully written. if (mSettingsFilename.exists()) { // Presence of backup settings file indicates that we failed // to persist settings earlier. So preserve the older // backup for future reference since the current settings // might have been corrupted. if (!mBackupSettingsFilename.exists()) { if (!mSettingsFilename.renameTo(mBackupSettingsFilename)) { Slog.w(TAG, "Unable to backup package manager settings, current changes will be lost at reboot"); return; } } else { mSettingsFilename.delete(); Slog.w(TAG, "Preserving older settings backup"); } } mPastSignatures.clear(); try { FileOutputStream str = new FileOutputStream(mSettingsFilename); //XmlSerializer serializer = XmlUtils.serializerInstance(); XmlSerializer serializer = new FastXmlSerializer(); serializer.setOutput(str, "utf-8"); serializer.startDocument(null, true); serializer.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true); serializer.startTag(null, "packages"); serializer.startTag(null, "last-platform-version"); serializer.attribute(null, "internal", Integer.toString(mInternalSdkPlatform)); serializer.attribute(null, "external", Integer.toString(mExternalSdkPlatform)); serializer.endTag(null, "last-platform-version"); serializer.startTag(null, "permission-trees"); for (BasePermission bp : mPermissionTrees.values()) { writePermission(serializer, bp); } serializer.endTag(null, "permission-trees"); serializer.startTag(null, "permissions"); for (BasePermission bp : mPermissions.values()) { writePermission(serializer, bp); } serializer.endTag(null, "permissions"); for (PackageSetting pkg : mPackages.values()) { writePackage(serializer, pkg); } for (PackageSetting pkg : mDisabledSysPackages.values()) { writeDisabledSysPackage(serializer, pkg); } serializer.startTag(null, "preferred-activities"); for (PreferredActivity pa : mPreferredActivities.filterSet()) { serializer.startTag(null, "item"); pa.writeToXml(serializer); serializer.endTag(null, "item"); } serializer.endTag(null, "preferred-activities"); for (SharedUserSetting usr : mSharedUsers.values()) { serializer.startTag(null, "shared-user"); serializer.attribute(null, "name", usr.name); serializer.attribute(null, "userId", Integer.toString(usr.userId)); usr.signatures.writeXml(serializer, "sigs", mPastSignatures); serializer.startTag(null, "perms"); for (String name : usr.grantedPermissions) { serializer.startTag(null, "item"); serializer.attribute(null, "name", name); serializer.endTag(null, "item"); } serializer.endTag(null, "perms"); serializer.endTag(null, "shared-user"); } if (mPackagesToBeCleaned.size() > 0) { for (int i=0; i 0) { for (HashMap.Entry e : mRenamedPackages.entrySet()) { serializer.startTag(null, "renamed-package"); serializer.attribute(null, "new", e.getKey()); serializer.attribute(null, "old", e.getValue()); serializer.endTag(null, "renamed-package"); } } serializer.endTag(null, "packages"); serializer.endDocument(); str.flush(); str.close(); // New settings successfully written, old ones are no longer // needed. mBackupSettingsFilename.delete(); FileUtils.setPermissions(mSettingsFilename.toString(), FileUtils.S_IRUSR|FileUtils.S_IWUSR |FileUtils.S_IRGRP|FileUtils.S_IWGRP |FileUtils.S_IROTH, -1, -1); // Write package list file now, use a JournaledFile. // File tempFile = new File(mPackageListFilename.toString() + ".tmp"); JournaledFile journal = new JournaledFile(mPackageListFilename, tempFile); str = new FileOutputStream(journal.chooseForWrite()); try { StringBuilder sb = new StringBuilder(); for (PackageSetting pkg : mPackages.values()) { ApplicationInfo ai = pkg.pkg.applicationInfo; String dataPath = ai.dataDir; boolean isDebug = (ai.flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0; // Avoid any application that has a space in its path // or that is handled by the system. if (dataPath.indexOf(" ") >= 0 || ai.uid <= Process.FIRST_APPLICATION_UID) continue; // we store on each line the following information for now: // // pkgName - package name // userId - application-specific user id // debugFlag - 0 or 1 if the package is debuggable. // dataPath - path to package's data path // // NOTE: We prefer not to expose all ApplicationInfo flags for now. // // DO NOT MODIFY THIS FORMAT UNLESS YOU CAN ALSO MODIFY ITS USERS // FROM NATIVE CODE. AT THE MOMENT, LOOK AT THE FOLLOWING SOURCES: // system/core/run-as/run-as.c // sb.setLength(0); sb.append(ai.packageName); sb.append(" "); sb.append((int)ai.uid); sb.append(isDebug ? " 1 " : " 0 "); sb.append(dataPath); sb.append("\n"); str.write(sb.toString().getBytes()); } str.flush(); str.close(); journal.commit(); } catch (Exception e) { journal.rollback(); } FileUtils.setPermissions(mPackageListFilename.toString(), FileUtils.S_IRUSR|FileUtils.S_IWUSR |FileUtils.S_IRGRP|FileUtils.S_IWGRP |FileUtils.S_IROTH, -1, -1); return; } catch(XmlPullParserException e) { Slog.w(TAG, "Unable to write package manager settings, current changes will be lost at reboot", e); } catch(java.io.IOException e) { Slog.w(TAG, "Unable to write package manager settings, current changes will be lost at reboot", e); } // Clean up partially written files if (mSettingsFilename.exists()) { if (!mSettingsFilename.delete()) { Log.i(TAG, "Failed to clean up mangled file: " + mSettingsFilename); } } //Debug.stopMethodTracing(); } void writeDisabledSysPackage(XmlSerializer serializer, final PackageSetting pkg) throws java.io.IOException { serializer.startTag(null, "updated-package"); serializer.attribute(null, "name", pkg.name); if (pkg.realName != null) { serializer.attribute(null, "realName", pkg.realName); } serializer.attribute(null, "codePath", pkg.codePathString); serializer.attribute(null, "ts", pkg.getTimeStampStr()); serializer.attribute(null, "version", String.valueOf(pkg.versionCode)); if (!pkg.resourcePathString.equals(pkg.codePathString)) { serializer.attribute(null, "resourcePath", pkg.resourcePathString); } if (pkg.sharedUser == null) { serializer.attribute(null, "userId", Integer.toString(pkg.userId)); } else { serializer.attribute(null, "sharedUserId", Integer.toString(pkg.userId)); } serializer.startTag(null, "perms"); if (pkg.sharedUser == null) { // If this is a shared user, the permissions will // be written there. We still need to write an // empty permissions list so permissionsFixed will // be set. for (final String name : pkg.grantedPermissions) { BasePermission bp = mPermissions.get(name); if (bp != null) { // We only need to write signature or system permissions but this wont // match the semantics of grantedPermissions. So write all permissions. serializer.startTag(null, "item"); serializer.attribute(null, "name", name); serializer.endTag(null, "item"); } } } serializer.endTag(null, "perms"); serializer.endTag(null, "updated-package"); } void writePackage(XmlSerializer serializer, final PackageSetting pkg) throws java.io.IOException { serializer.startTag(null, "package"); serializer.attribute(null, "name", pkg.name); if (pkg.realName != null) { serializer.attribute(null, "realName", pkg.realName); } serializer.attribute(null, "codePath", pkg.codePathString); if (!pkg.resourcePathString.equals(pkg.codePathString)) { serializer.attribute(null, "resourcePath", pkg.resourcePathString); } serializer.attribute(null, "flags", Integer.toString(pkg.pkgFlags)); serializer.attribute(null, "ts", pkg.getTimeStampStr()); serializer.attribute(null, "version", String.valueOf(pkg.versionCode)); if (pkg.sharedUser == null) { serializer.attribute(null, "userId", Integer.toString(pkg.userId)); } else { serializer.attribute(null, "sharedUserId", Integer.toString(pkg.userId)); } if (pkg.uidError) { serializer.attribute(null, "uidError", "true"); } if (pkg.enabled != COMPONENT_ENABLED_STATE_DEFAULT) { serializer.attribute(null, "enabled", pkg.enabled == COMPONENT_ENABLED_STATE_ENABLED ? "true" : "false"); } if(pkg.installStatus == PKG_INSTALL_INCOMPLETE) { serializer.attribute(null, "installStatus", "false"); } if (pkg.installerPackageName != null) { serializer.attribute(null, "installer", pkg.installerPackageName); } pkg.signatures.writeXml(serializer, "sigs", mPastSignatures); if ((pkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { serializer.startTag(null, "perms"); if (pkg.sharedUser == null) { // If this is a shared user, the permissions will // be written there. We still need to write an // empty permissions list so permissionsFixed will // be set. for (final String name : pkg.grantedPermissions) { serializer.startTag(null, "item"); serializer.attribute(null, "name", name); serializer.endTag(null, "item"); } } serializer.endTag(null, "perms"); } if (pkg.disabledComponents.size() > 0) { serializer.startTag(null, "disabled-components"); for (final String name : pkg.disabledComponents) { serializer.startTag(null, "item"); serializer.attribute(null, "name", name); serializer.endTag(null, "item"); } serializer.endTag(null, "disabled-components"); } if (pkg.enabledComponents.size() > 0) { serializer.startTag(null, "enabled-components"); for (final String name : pkg.enabledComponents) { serializer.startTag(null, "item"); serializer.attribute(null, "name", name); serializer.endTag(null, "item"); } serializer.endTag(null, "enabled-components"); } serializer.endTag(null, "package"); } void writePermission(XmlSerializer serializer, BasePermission bp) throws XmlPullParserException, java.io.IOException { if (bp.type != BasePermission.TYPE_BUILTIN && bp.sourcePackage != null) { serializer.startTag(null, "item"); serializer.attribute(null, "name", bp.name); serializer.attribute(null, "package", bp.sourcePackage); if (bp.protectionLevel != PermissionInfo.PROTECTION_NORMAL) { serializer.attribute(null, "protection", Integer.toString(bp.protectionLevel)); } if (DEBUG_SETTINGS) Log.v(TAG, "Writing perm: name=" + bp.name + " type=" + bp.type); if (bp.type == BasePermission.TYPE_DYNAMIC) { PermissionInfo pi = bp.perm != null ? bp.perm.info : bp.pendingInfo; if (pi != null) { serializer.attribute(null, "type", "dynamic"); if (pi.icon != 0) { serializer.attribute(null, "icon", Integer.toString(pi.icon)); } if (pi.nonLocalizedLabel != null) { serializer.attribute(null, "label", pi.nonLocalizedLabel.toString()); } } } serializer.endTag(null, "item"); } } String getReadMessagesLP() { return mReadMessages.toString(); } ArrayList getListOfIncompleteInstallPackages() { HashSet kList = new HashSet(mPackages.keySet()); Iterator its = kList.iterator(); ArrayList ret = new ArrayList(); while(its.hasNext()) { String key = its.next(); PackageSetting ps = mPackages.get(key); if(ps.getInstallStatus() == PKG_INSTALL_INCOMPLETE) { ret.add(ps); } } return ret; } boolean readLP() { FileInputStream str = null; if (mBackupSettingsFilename.exists()) { try { str = new FileInputStream(mBackupSettingsFilename); mReadMessages.append("Reading from backup settings file\n"); Log.i(TAG, "Reading from backup settings file!"); if (mSettingsFilename.exists()) { // If both the backup and settings file exist, we // ignore the settings since it might have been // corrupted. Slog.w(TAG, "Cleaning up settings file " + mSettingsFilename); mSettingsFilename.delete(); } } catch (java.io.IOException e) { // We'll try for the normal settings file. } } mPastSignatures.clear(); try { if (str == null) { if (!mSettingsFilename.exists()) { mReadMessages.append("No settings file found\n"); Slog.i(TAG, "No current settings file!"); return false; } str = new FileInputStream(mSettingsFilename); } XmlPullParser parser = Xml.newPullParser(); parser.setInput(str, null); int type; while ((type=parser.next()) != XmlPullParser.START_TAG && type != XmlPullParser.END_DOCUMENT) { ; } if (type != XmlPullParser.START_TAG) { mReadMessages.append("No start tag found in settings file\n"); Slog.e(TAG, "No start tag found in package manager settings"); return false; } int outerDepth = parser.getDepth(); while ((type=parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { continue; } String tagName = parser.getName(); if (tagName.equals("package")) { readPackageLP(parser); } else if (tagName.equals("permissions")) { readPermissionsLP(mPermissions, parser); } else if (tagName.equals("permission-trees")) { readPermissionsLP(mPermissionTrees, parser); } else if (tagName.equals("shared-user")) { readSharedUserLP(parser); } else if (tagName.equals("preferred-packages")) { // no longer used. } else if (tagName.equals("preferred-activities")) { readPreferredActivitiesLP(parser); } else if(tagName.equals("updated-package")) { readDisabledSysPackageLP(parser); } else if (tagName.equals("cleaning-package")) { String name = parser.getAttributeValue(null, "name"); if (name != null) { mPackagesToBeCleaned.add(name); } } else if (tagName.equals("renamed-package")) { String nname = parser.getAttributeValue(null, "new"); String oname = parser.getAttributeValue(null, "old"); if (nname != null && oname != null) { mRenamedPackages.put(nname, oname); } } else if (tagName.equals("last-platform-version")) { mInternalSdkPlatform = mExternalSdkPlatform = 0; try { String internal = parser.getAttributeValue(null, "internal"); if (internal != null) { mInternalSdkPlatform = Integer.parseInt(internal); } String external = parser.getAttributeValue(null, "external"); if (external != null) { mExternalSdkPlatform = Integer.parseInt(external); } } catch (NumberFormatException e) { } } else { Slog.w(TAG, "Unknown element under : " + parser.getName()); XmlUtils.skipCurrentTag(parser); } } str.close(); } catch(XmlPullParserException e) { mReadMessages.append("Error reading: " + e.toString()); Slog.e(TAG, "Error reading package manager settings", e); } catch(java.io.IOException e) { mReadMessages.append("Error reading: " + e.toString()); Slog.e(TAG, "Error reading package manager settings", e); } int N = mPendingPackages.size(); for (int i=0; i out, XmlPullParser parser) throws IOException, XmlPullParserException { int outerDepth = parser.getDepth(); int type; while ((type=parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { continue; } String tagName = parser.getName(); if (tagName.equals("item")) { String name = parser.getAttributeValue(null, "name"); String sourcePackage = parser.getAttributeValue(null, "package"); String ptype = parser.getAttributeValue(null, "type"); if (name != null && sourcePackage != null) { boolean dynamic = "dynamic".equals(ptype); BasePermission bp = new BasePermission(name, sourcePackage, dynamic ? BasePermission.TYPE_DYNAMIC : BasePermission.TYPE_NORMAL); bp.protectionLevel = readInt(parser, null, "protection", PermissionInfo.PROTECTION_NORMAL); if (dynamic) { PermissionInfo pi = new PermissionInfo(); pi.packageName = sourcePackage.intern(); pi.name = name.intern(); pi.icon = readInt(parser, null, "icon", 0); pi.nonLocalizedLabel = parser.getAttributeValue( null, "label"); pi.protectionLevel = bp.protectionLevel; bp.pendingInfo = pi; } out.put(bp.name, bp); } else { reportSettingsProblem(Log.WARN, "Error in package manager settings: permissions has" + " no name at " + parser.getPositionDescription()); } } else { reportSettingsProblem(Log.WARN, "Unknown element reading permissions: " + parser.getName() + " at " + parser.getPositionDescription()); } XmlUtils.skipCurrentTag(parser); } } private void readDisabledSysPackageLP(XmlPullParser parser) throws XmlPullParserException, IOException { String name = parser.getAttributeValue(null, "name"); String realName = parser.getAttributeValue(null, "realName"); String codePathStr = parser.getAttributeValue(null, "codePath"); String resourcePathStr = parser.getAttributeValue(null, "resourcePath"); if (resourcePathStr == null) { resourcePathStr = codePathStr; } String version = parser.getAttributeValue(null, "version"); int versionCode = 0; if (version != null) { try { versionCode = Integer.parseInt(version); } catch (NumberFormatException e) { } } int pkgFlags = 0; pkgFlags |= ApplicationInfo.FLAG_SYSTEM; PackageSetting ps = new PackageSetting(name, realName, new File(codePathStr), new File(resourcePathStr), versionCode, pkgFlags); String timeStampStr = parser.getAttributeValue(null, "ts"); if (timeStampStr != null) { try { long timeStamp = Long.parseLong(timeStampStr); ps.setTimeStamp(timeStamp, timeStampStr); } catch (NumberFormatException e) { } } String idStr = parser.getAttributeValue(null, "userId"); ps.userId = idStr != null ? Integer.parseInt(idStr) : 0; if(ps.userId <= 0) { String sharedIdStr = parser.getAttributeValue(null, "sharedUserId"); ps.userId = sharedIdStr != null ? Integer.parseInt(sharedIdStr) : 0; } int outerDepth = parser.getDepth(); int type; while ((type=parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { continue; } String tagName = parser.getName(); if (tagName.equals("perms")) { readGrantedPermissionsLP(parser, ps.grantedPermissions); } else { reportSettingsProblem(Log.WARN, "Unknown element under : " + parser.getName()); XmlUtils.skipCurrentTag(parser); } } mDisabledSysPackages.put(name, ps); } private void readPackageLP(XmlPullParser parser) throws XmlPullParserException, IOException { String name = null; String realName = null; String idStr = null; String sharedIdStr = null; String codePathStr = null; String resourcePathStr = null; String systemStr = null; String installerPackageName = null; String uidError = null; int pkgFlags = 0; String timeStampStr; long timeStamp = 0; PackageSettingBase packageSetting = null; String version = null; int versionCode = 0; try { name = parser.getAttributeValue(null, "name"); realName = parser.getAttributeValue(null, "realName"); idStr = parser.getAttributeValue(null, "userId"); uidError = parser.getAttributeValue(null, "uidError"); sharedIdStr = parser.getAttributeValue(null, "sharedUserId"); codePathStr = parser.getAttributeValue(null, "codePath"); resourcePathStr = parser.getAttributeValue(null, "resourcePath"); version = parser.getAttributeValue(null, "version"); if (version != null) { try { versionCode = Integer.parseInt(version); } catch (NumberFormatException e) { } } installerPackageName = parser.getAttributeValue(null, "installer"); systemStr = parser.getAttributeValue(null, "flags"); if (systemStr != null) { try { pkgFlags = Integer.parseInt(systemStr); } catch (NumberFormatException e) { } } else { // For backward compatibility systemStr = parser.getAttributeValue(null, "system"); if (systemStr != null) { pkgFlags |= ("true".equalsIgnoreCase(systemStr)) ? ApplicationInfo.FLAG_SYSTEM : 0; } else { // Old settings that don't specify system... just treat // them as system, good enough. pkgFlags |= ApplicationInfo.FLAG_SYSTEM; } } timeStampStr = parser.getAttributeValue(null, "ts"); if (timeStampStr != null) { try { timeStamp = Long.parseLong(timeStampStr); } catch (NumberFormatException e) { } } if (DEBUG_SETTINGS) Log.v(TAG, "Reading package: " + name + " userId=" + idStr + " sharedUserId=" + sharedIdStr); int userId = idStr != null ? Integer.parseInt(idStr) : 0; if (resourcePathStr == null) { resourcePathStr = codePathStr; } if (realName != null) { realName = realName.intern(); } if (name == null) { reportSettingsProblem(Log.WARN, "Error in package manager settings: has no name at " + parser.getPositionDescription()); } else if (codePathStr == null) { reportSettingsProblem(Log.WARN, "Error in package manager settings: has no codePath at " + parser.getPositionDescription()); } else if (userId > 0) { packageSetting = addPackageLP(name.intern(), realName, new File(codePathStr), new File(resourcePathStr), userId, versionCode, pkgFlags); if (DEBUG_SETTINGS) Log.i(TAG, "Reading package " + name + ": userId=" + userId + " pkg=" + packageSetting); if (packageSetting == null) { reportSettingsProblem(Log.ERROR, "Failure adding uid " + userId + " while parsing settings at " + parser.getPositionDescription()); } else { packageSetting.setTimeStamp(timeStamp, timeStampStr); } } else if (sharedIdStr != null) { userId = sharedIdStr != null ? Integer.parseInt(sharedIdStr) : 0; if (userId > 0) { packageSetting = new PendingPackage(name.intern(), realName, new File(codePathStr), new File(resourcePathStr), userId, versionCode, pkgFlags); packageSetting.setTimeStamp(timeStamp, timeStampStr); mPendingPackages.add((PendingPackage) packageSetting); if (DEBUG_SETTINGS) Log.i(TAG, "Reading package " + name + ": sharedUserId=" + userId + " pkg=" + packageSetting); } else { reportSettingsProblem(Log.WARN, "Error in package manager settings: package " + name + " has bad sharedId " + sharedIdStr + " at " + parser.getPositionDescription()); } } else { reportSettingsProblem(Log.WARN, "Error in package manager settings: package " + name + " has bad userId " + idStr + " at " + parser.getPositionDescription()); } } catch (NumberFormatException e) { reportSettingsProblem(Log.WARN, "Error in package manager settings: package " + name + " has bad userId " + idStr + " at " + parser.getPositionDescription()); } if (packageSetting != null) { packageSetting.uidError = "true".equals(uidError); packageSetting.installerPackageName = installerPackageName; final String enabledStr = parser.getAttributeValue(null, "enabled"); if (enabledStr != null) { if (enabledStr.equalsIgnoreCase("true")) { packageSetting.enabled = COMPONENT_ENABLED_STATE_ENABLED; } else if (enabledStr.equalsIgnoreCase("false")) { packageSetting.enabled = COMPONENT_ENABLED_STATE_DISABLED; } else if (enabledStr.equalsIgnoreCase("default")) { packageSetting.enabled = COMPONENT_ENABLED_STATE_DEFAULT; } else { reportSettingsProblem(Log.WARN, "Error in package manager settings: package " + name + " has bad enabled value: " + idStr + " at " + parser.getPositionDescription()); } } else { packageSetting.enabled = COMPONENT_ENABLED_STATE_DEFAULT; } final String installStatusStr = parser.getAttributeValue(null, "installStatus"); if (installStatusStr != null) { if (installStatusStr.equalsIgnoreCase("false")) { packageSetting.installStatus = PKG_INSTALL_INCOMPLETE; } else { packageSetting.installStatus = PKG_INSTALL_COMPLETE; } } int outerDepth = parser.getDepth(); int type; while ((type=parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { continue; } String tagName = parser.getName(); if (tagName.equals("disabled-components")) { readDisabledComponentsLP(packageSetting, parser); } else if (tagName.equals("enabled-components")) { readEnabledComponentsLP(packageSetting, parser); } else if (tagName.equals("sigs")) { packageSetting.signatures.readXml(parser, mPastSignatures); } else if (tagName.equals("perms")) { readGrantedPermissionsLP(parser, packageSetting.grantedPermissions); packageSetting.permissionsFixed = true; } else { reportSettingsProblem(Log.WARN, "Unknown element under : " + parser.getName()); XmlUtils.skipCurrentTag(parser); } } } else { XmlUtils.skipCurrentTag(parser); } } private void readDisabledComponentsLP(PackageSettingBase packageSetting, XmlPullParser parser) throws IOException, XmlPullParserException { int outerDepth = parser.getDepth(); int type; while ((type=parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { continue; } String tagName = parser.getName(); if (tagName.equals("item")) { String name = parser.getAttributeValue(null, "name"); if (name != null) { packageSetting.disabledComponents.add(name.intern()); } else { reportSettingsProblem(Log.WARN, "Error in package manager settings: has" + " no name at " + parser.getPositionDescription()); } } else { reportSettingsProblem(Log.WARN, "Unknown element under : " + parser.getName()); } XmlUtils.skipCurrentTag(parser); } } private void readEnabledComponentsLP(PackageSettingBase packageSetting, XmlPullParser parser) throws IOException, XmlPullParserException { int outerDepth = parser.getDepth(); int type; while ((type=parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { continue; } String tagName = parser.getName(); if (tagName.equals("item")) { String name = parser.getAttributeValue(null, "name"); if (name != null) { packageSetting.enabledComponents.add(name.intern()); } else { reportSettingsProblem(Log.WARN, "Error in package manager settings: has" + " no name at " + parser.getPositionDescription()); } } else { reportSettingsProblem(Log.WARN, "Unknown element under : " + parser.getName()); } XmlUtils.skipCurrentTag(parser); } } private void readSharedUserLP(XmlPullParser parser) throws XmlPullParserException, IOException { String name = null; String idStr = null; int pkgFlags = 0; SharedUserSetting su = null; try { name = parser.getAttributeValue(null, "name"); idStr = parser.getAttributeValue(null, "userId"); int userId = idStr != null ? Integer.parseInt(idStr) : 0; if ("true".equals(parser.getAttributeValue(null, "system"))) { pkgFlags |= ApplicationInfo.FLAG_SYSTEM; } if (name == null) { reportSettingsProblem(Log.WARN, "Error in package manager settings: has no name at " + parser.getPositionDescription()); } else if (userId == 0) { reportSettingsProblem(Log.WARN, "Error in package manager settings: shared-user " + name + " has bad userId " + idStr + " at " + parser.getPositionDescription()); } else { if ((su=addSharedUserLP(name.intern(), userId, pkgFlags)) == null) { reportSettingsProblem(Log.ERROR, "Occurred while parsing settings at " + parser.getPositionDescription()); } } } catch (NumberFormatException e) { reportSettingsProblem(Log.WARN, "Error in package manager settings: package " + name + " has bad userId " + idStr + " at " + parser.getPositionDescription()); }; if (su != null) { int outerDepth = parser.getDepth(); int type; while ((type=parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { continue; } String tagName = parser.getName(); if (tagName.equals("sigs")) { su.signatures.readXml(parser, mPastSignatures); } else if (tagName.equals("perms")) { readGrantedPermissionsLP(parser, su.grantedPermissions); } else { reportSettingsProblem(Log.WARN, "Unknown element under : " + parser.getName()); XmlUtils.skipCurrentTag(parser); } } } else { XmlUtils.skipCurrentTag(parser); } } private void readGrantedPermissionsLP(XmlPullParser parser, HashSet outPerms) throws IOException, XmlPullParserException { int outerDepth = parser.getDepth(); int type; while ((type=parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { continue; } String tagName = parser.getName(); if (tagName.equals("item")) { String name = parser.getAttributeValue(null, "name"); if (name != null) { outPerms.add(name.intern()); } else { reportSettingsProblem(Log.WARN, "Error in package manager settings: has" + " no name at " + parser.getPositionDescription()); } } else { reportSettingsProblem(Log.WARN, "Unknown element under : " + parser.getName()); } XmlUtils.skipCurrentTag(parser); } } private void readPreferredActivitiesLP(XmlPullParser parser) throws XmlPullParserException, IOException { int outerDepth = parser.getDepth(); int type; while ((type=parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { continue; } String tagName = parser.getName(); if (tagName.equals("item")) { PreferredActivity pa = new PreferredActivity(parser); if (pa.mParseError == null) { mPreferredActivities.addFilter(pa); } else { reportSettingsProblem(Log.WARN, "Error in package manager settings: " + pa.mParseError + " at " + parser.getPositionDescription()); } } else { reportSettingsProblem(Log.WARN, "Unknown element under : " + parser.getName()); XmlUtils.skipCurrentTag(parser); } } } // Returns -1 if we could not find an available UserId to assign private int newUserIdLP(Object obj) { // Let's be stupidly inefficient for now... final int N = mUserIds.size(); for (int i=0; i= MAX_APPLICATION_UIDS) { return -1; } mUserIds.add(obj); return FIRST_APPLICATION_UID + N; } public PackageSetting getDisabledSystemPkg(String name) { synchronized(mPackages) { PackageSetting ps = mDisabledSysPackages.get(name); return ps; } } boolean isEnabledLP(ComponentInfo componentInfo, int flags) { final PackageSetting packageSettings = mPackages.get(componentInfo.packageName); if (Config.LOGV) { Log.v(TAG, "isEnabledLock - packageName = " + componentInfo.packageName + " componentName = " + componentInfo.name); Log.v(TAG, "enabledComponents: " + Arrays.toString(packageSettings.enabledComponents.toArray())); Log.v(TAG, "disabledComponents: " + Arrays.toString(packageSettings.disabledComponents.toArray())); } if (packageSettings == null) { if (false) { Log.w(TAG, "WAITING FOR DEBUGGER"); Debug.waitForDebugger(); Log.i(TAG, "We will crash!"); } } return ((flags&PackageManager.GET_DISABLED_COMPONENTS) != 0) || ((componentInfo.enabled && ((packageSettings.enabled == COMPONENT_ENABLED_STATE_ENABLED) || (componentInfo.applicationInfo.enabled && packageSettings.enabled != COMPONENT_ENABLED_STATE_DISABLED)) && !packageSettings.disabledComponents.contains(componentInfo.name)) || packageSettings.enabledComponents.contains(componentInfo.name)); } } // ------- apps on sdcard specific code ------- static final boolean DEBUG_SD_INSTALL = false; final private String mSdEncryptKey = "AppsOnSD"; final private String mSdEncryptAlg = "AES"; private boolean mMediaMounted = false; private static final int MAX_CONTAINERS = 250; private String getEncryptKey() { try { String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString(mSdEncryptKey); if (sdEncKey == null) { sdEncKey = SystemKeyStore.getInstance(). generateNewKeyHexString(128, mSdEncryptAlg, mSdEncryptKey); 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; } } static String getTempContainerId() { String prefix = "smdl2tmp"; int tmpIdx = 1; String list[] = PackageHelper.getSecureContainerList(); if (list != null) { int idx = 0; int idList[] = new int[MAX_CONTAINERS]; boolean neverFound = true; for (String name : list) { // Ignore null entries if (name == null) { continue; } int sidx = name.indexOf(prefix); if (sidx == -1) { // Not a temp file. just ignore continue; } String subStr = name.substring(sidx + prefix.length()); idList[idx] = -1; if (subStr != null) { try { int cid = Integer.parseInt(subStr); idList[idx++] = cid; neverFound = false; } catch (NumberFormatException e) { } } } if (!neverFound) { // Sort idList Arrays.sort(idList); for (int j = 1; j <= idList.length; j++) { if (idList[j-1] != j) { tmpIdx = j; break; } } } } return prefix + tmpIdx; } /* * Update media status on PackageManager. */ public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { if (Binder.getCallingUid() != Process.SYSTEM_UID) { throw new SecurityException("Media status can only be updated by the system"); } synchronized (mPackages) { Log.i(TAG, "Updating external media status from " + (mMediaMounted ? "mounted" : "unmounted") + " to " + (mediaStatus ? "mounted" : "unmounted")); if (DEBUG_SD_INSTALL) Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus+", mMediaMounted=" + mMediaMounted); if (mediaStatus == mMediaMounted) { Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1); mHandler.sendMessage(msg); return; } mMediaMounted = mediaStatus; } // Queue up an async operation since the package installation may take a little while. mHandler.post(new Runnable() { public void run() { mHandler.removeCallbacks(this); updateExternalMediaStatusInner(mediaStatus, reportStatus); } }); } /* * Collect information of applications on external media, map them * against existing containers and update information based on current * mount status. Please note that we always have to report status * if reportStatus has been set to true especially when unloading packages. */ private void updateExternalMediaStatusInner(boolean mediaStatus, boolean reportStatus) { // Collection of uids int uidArr[] = null; // Collection of stale containers HashSet removeCids = new HashSet(); // Collection of packages on external media with valid containers. HashMap processCids = new HashMap(); // Get list of secure containers. final String list[] = PackageHelper.getSecureContainerList(); if (list == null || list.length == 0) { Log.i(TAG, "No secure containers on sdcard"); } else { // Process list of secure containers and categorize them // as active or stale based on their package internal state. int uidList[] = new int[list.length]; int num = 0; synchronized (mPackages) { for (String cid : list) { SdInstallArgs args = new SdInstallArgs(cid); if (DEBUG_SD_INSTALL) Log.i(TAG, "Processing container " + cid); String pkgName = args.getPackageName(); if (pkgName == null) { if (DEBUG_SD_INSTALL) Log.i(TAG, "Container : " + cid + " stale"); removeCids.add(cid); continue; } if (DEBUG_SD_INSTALL) Log.i(TAG, "Looking for pkg : " + pkgName); PackageSetting ps = mSettings.mPackages.get(pkgName); // The package status is changed only if the code path // matches between settings and the container id. if (ps != null && ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { if (DEBUG_SD_INSTALL) Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName + " at code path: " + ps.codePathString); // We do have a valid package installed on sdcard processCids.put(args, ps.codePathString); int uid = ps.userId; if (uid != -1) { uidList[num++] = uid; } } else { // Stale container on sdcard. Just delete if (DEBUG_SD_INSTALL) Log.i(TAG, "Container : " + cid + " stale"); removeCids.add(cid); } } } if (num > 0) { // Sort uid list Arrays.sort(uidList, 0, num); // Throw away duplicates uidArr = new int[num]; uidArr[0] = uidList[0]; int di = 0; for (int i = 1; i < num; i++) { if (uidList[i-1] != uidList[i]) { uidArr[di++] = uidList[i]; } } } } // Process packages with valid entries. if (mediaStatus) { if (DEBUG_SD_INSTALL) Log.i(TAG, "Loading packages"); loadMediaPackages(processCids, uidArr, removeCids); startCleaningPackages(); } else { if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading packages"); unloadMediaPackages(processCids, uidArr, reportStatus); } } private void sendResourcesChangedBroadcast(boolean mediaStatus, ArrayList pkgList, int uidArr[], IIntentReceiver finishedReceiver) { int size = pkgList.size(); if (size > 0) { // Send broadcasts here Bundle extras = new Bundle(); extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList.toArray(new String[size])); if (uidArr != null) { extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); } String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; sendPackageBroadcast(action, null, extras, finishedReceiver); } } /* * Look at potentially valid container ids from processCids * If package information doesn't match the one on record * or package scanning fails, the cid is added to list of * removeCids. We currently don't delete stale containers. */ private void loadMediaPackages(HashMap processCids, int uidArr[], HashSet removeCids) { ArrayList pkgList = new ArrayList(); Set keys = processCids.keySet(); boolean doGc = false; for (SdInstallArgs args : keys) { String codePath = processCids.get(args); if (DEBUG_SD_INSTALL) Log.i(TAG, "Loading container : " + args.cid); int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; try { // Make sure there are no container errors first. if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { Slog.e(TAG, "Failed to mount cid : " + args.cid + " when installing from sdcard"); continue; } // Check code path here. if (codePath == null || !codePath.equals(args.getCodePath())) { Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath()+ " does not match one in settings " + codePath); continue; } // Parse package int parseFlags = PackageParser.PARSE_ON_SDCARD | mDefParseFlags; doGc = true; synchronized (mInstallLock) { final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 0); // Scan the package if (pkg != null) { synchronized (mPackages) { retCode = PackageManager.INSTALL_SUCCEEDED; pkgList.add(pkg.packageName); // Post process args args.doPostInstall(PackageManager.INSTALL_SUCCEEDED); } } else { Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); } } } finally { if (retCode != PackageManager.INSTALL_SUCCEEDED) { // Don't destroy container here. Wait till gc clears things up. removeCids.add(args.cid); } } } synchronized (mPackages) { // If the platform SDK has changed since the last time we booted, // we need to re-grant app permission to catch any new ones that // appear. This is really a hack, and means that apps can in some // cases get permissions that the user didn't initially explicitly // allow... it would be nice to have some better way to handle // this situation. final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; if (regrantPermissions) Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " + mSdkVersion + "; regranting permissions for external storage"); mSettings.mExternalSdkPlatform = mSdkVersion; // Make sure group IDs have been assigned, and any permission // changes in other apps are accounted for updatePermissionsLP(null, null, true, regrantPermissions, regrantPermissions); // Persist settings mSettings.writeLP(); } // Send a broadcast to let everyone know we are done processing if (pkgList.size() > 0) { sendResourcesChangedBroadcast(true, pkgList, uidArr, null); } // Force gc to avoid any stale parser references that we might have. if (doGc) { Runtime.getRuntime().gc(); } // List stale containers. if (removeCids != null) { for (String cid : removeCids) { Log.w(TAG, "Container " + cid + " is stale"); } } } /* * Utility method to unload a list of specified containers */ private void unloadAllContainers(Set cidArgs) { // Just unmount all valid containers. for (SdInstallArgs arg : cidArgs) { synchronized (mInstallLock) { arg.doPostDeleteLI(false); } } } /* * Unload packages mounted on external media. This involves deleting * package data from internal structures, sending broadcasts about * diabled packages, gc'ing to free up references, unmounting all * secure containers corresponding to packages on external media, and * posting a UPDATED_MEDIA_STATUS message if status has been requested. * Please note that we always have to post this message if status has * been requested no matter what. */ private void unloadMediaPackages(HashMap processCids, int uidArr[], final boolean reportStatus) { if (DEBUG_SD_INSTALL) Log.i(TAG, "unloading media packages"); ArrayList pkgList = new ArrayList(); ArrayList failedList = new ArrayList(); final Set keys = processCids.keySet(); for (SdInstallArgs args : keys) { String cid = args.cid; String pkgName = args.getPackageName(); if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to unload pkg : " + pkgName); // Delete package internally PackageRemovedInfo outInfo = new PackageRemovedInfo(); synchronized (mInstallLock) { boolean res = deletePackageLI(pkgName, false, PackageManager.DONT_DELETE_DATA, outInfo); if (res) { pkgList.add(pkgName); } else { Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); failedList.add(args); } } } // We have to absolutely send UPDATED_MEDIA_STATUS only // after confirming that all the receivers processed the ordered // broadcast when packages get disabled, force a gc to clean things up. // and unload all the containers. if (pkgList.size() > 0) { sendResourcesChangedBroadcast(false, pkgList, uidArr, new IIntentReceiver.Stub() { public void performReceive(Intent intent, int resultCode, String data, Bundle extras, boolean ordered, boolean sticky) throws RemoteException { Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, 1, keys); mHandler.sendMessage(msg); } }); } else { Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, keys); mHandler.sendMessage(msg); } } public void movePackage(final String packageName, final IPackageMoveObserver observer, final int flags) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.MOVE_PACKAGE, null); int returnCode = PackageManager.MOVE_SUCCEEDED; int currFlags = 0; int newFlags = 0; synchronized (mPackages) { PackageParser.Package pkg = mPackages.get(packageName); if (pkg == null) { returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; } else { // Disable moving fwd locked apps and system packages if (pkg.applicationInfo != null && (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { Slog.w(TAG, "Cannot move system application"); returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; } else if (pkg.applicationInfo != null && (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0) { Slog.w(TAG, "Cannot move forward locked app."); returnCode = PackageManager.MOVE_FAILED_FORWARD_LOCKED; } 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 = (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; if (newFlags == currFlags) { Slog.w(TAG, "No move required. Trying to move to same location"); returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; } } } } if (returnCode != PackageManager.MOVE_SUCCEEDED) { processPendingMove(new MoveParams(null, observer, 0, packageName), returnCode); } else { Message msg = mHandler.obtainMessage(INIT_COPY); InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, pkg.applicationInfo.publicSourceDir); MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName); msg.obj = mp; mHandler.sendMessage(msg); } } } private void processPendingMove(final MoveParams mp, final int currentStatus) { // Queue up an async operation since the package deletion may take a little while. mHandler.post(new Runnable() { public void run() { mHandler.removeCallbacks(this); int returnCode = currentStatus; if (currentStatus == PackageManager.MOVE_SUCCEEDED) { int uidArr[] = null; ArrayList 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(); 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 { String oldCodePath = pkg.mPath; String newCodePath = mp.targetArgs.getCodePath(); String newResPath = mp.targetArgs.getResourcePath(); 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; } else { pkg.mScanPath = newCodePath; pkg.applicationInfo.sourceDir = newCodePath; pkg.applicationInfo.publicSourceDir = newResPath; 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(); // Set the application info flag correctly. if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; } else { pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; } ps.setFlags(pkg.applicationInfo.flags); mAppDirs.remove(oldCodePath); mAppDirs.put(newCodePath, pkg); // Persist settings mSettings.writeLP(); } } } } // Send resources available broadcast sendResourcesChangedBroadcast(true, pkgList, uidArr, null); } } if (returnCode != PackageManager.MOVE_SUCCEEDED){ // Clean up failed installation if (mp.targetArgs != null) { mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR); } } else { // Force a gc to clear things up. Runtime.getRuntime().gc(); // Delete older code synchronized (mInstallLock) { mp.srcArgs.doPostDeleteLI(true); } } IPackageMoveObserver observer = mp.observer; if (observer != null) { try { observer.packageMoved(mp.packageName, returnCode); } catch (RemoteException e) { Log.i(TAG, "Observer no longer exists."); } } } }); } public boolean setInstallLocation(int loc) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.WRITE_SECURE_SETTINGS, null); if (getInstallLocation() == loc) { return true; } if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL || loc == PackageHelper.APP_INSTALL_EXTERNAL) { android.provider.Settings.System.putInt(mContext.getContentResolver(), android.provider.Settings.Secure.DEFAULT_INSTALL_LOCATION, loc); return true; } return false; } public int getInstallLocation() { return android.provider.Settings.System.getInt(mContext.getContentResolver(), android.provider.Settings.Secure.DEFAULT_INSTALL_LOCATION, PackageHelper.APP_INSTALL_AUTO); } }