/* * Copyright (C) 2006 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.server.pm; import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; import static libcore.io.OsConstants.S_ISLNK; import com.android.internal.app.IMediaContainerService; import com.android.internal.app.ResolverActivity; import com.android.internal.content.NativeLibraryHelper; import com.android.internal.content.PackageHelper; import com.android.internal.util.XmlUtils; import com.android.server.DeviceStorageMonitorService; import com.android.server.EventLogTags; import com.android.server.IntentResolver; import org.xmlpull.v1.XmlPullParser; import org.xmlpull.v1.XmlPullParserException; import android.app.ActivityManagerNative; import android.app.IActivityManager; import android.app.admin.IDevicePolicyManager; import android.app.backup.IBackupManager; import android.content.BroadcastReceiver; import android.content.ComponentName; import android.content.Context; import android.content.IIntentReceiver; import android.content.Intent; import android.content.IntentFilter; import android.content.IntentSender; import android.content.ServiceConnection; import android.content.IntentSender.SendIntentException; import android.content.pm.ActivityInfo; import android.content.pm.ApplicationInfo; import android.content.pm.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.PackageParser; import android.content.pm.PackageStats; import android.content.pm.ParceledListSlice; import android.content.pm.PermissionGroupInfo; import android.content.pm.PermissionInfo; import android.content.pm.ProviderInfo; import android.content.pm.ResolveInfo; import android.content.pm.ServiceInfo; import android.content.pm.Signature; import android.content.pm.UserInfo; import android.content.pm.ManifestDigest; import android.content.pm.VerifierDeviceIdentity; import android.content.pm.VerifierInfo; import android.net.Uri; import android.os.Binder; import android.os.Build; import android.os.Bundle; import android.os.Environment; import android.os.FileObserver; import android.os.FileUtils; import android.os.Handler; import android.os.HandlerThread; import android.os.IBinder; import android.os.Looper; import android.os.Message; import android.os.Parcel; import android.os.ParcelFileDescriptor; import android.os.Process; import android.os.RemoteException; import android.os.ServiceManager; import android.os.SystemClock; import android.os.SystemProperties; import android.security.SystemKeyStore; import android.util.DisplayMetrics; import android.util.EventLog; import android.util.Log; import android.util.LogPrinter; import android.util.Slog; import android.util.SparseArray; import android.util.Xml; import android.view.Display; import android.view.WindowManager; import java.io.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.security.PublicKey; import java.security.cert.CertificateException; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Arrays; import java.util.Collection; import java.util.Collections; import java.util.Comparator; import java.util.Date; import java.util.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.ZipFile; import java.util.zip.ZipOutputStream; import libcore.io.ErrnoException; import libcore.io.Libcore; /** * Keep track of all those .apks everywhere. * * This is very central to the platform's security; please run the unit * tests whenever making modifications here: * mmm frameworks/base/tests/AndroidTests adb install -r -f out/target/product/passion/data/app/AndroidTests.apk adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner * * {@hide} */ public class PackageManagerService extends IPackageManager.Stub { static final String TAG = "PackageManager"; static final boolean DEBUG_SETTINGS = false; private static final boolean DEBUG_PREFERRED = false; static final boolean DEBUG_UPGRADE = false; private static final boolean DEBUG_INSTALL = false; private static final boolean DEBUG_REMOVE = false; private static final boolean DEBUG_SHOW_INFO = false; private static final boolean DEBUG_PACKAGE_INFO = false; private static final boolean DEBUG_INTENT_MATCHING = false; private static final boolean DEBUG_PACKAGE_SCANNING = false; private static final boolean DEBUG_APP_DIR_OBSERVER = false; private static final boolean DEBUG_VERIFY = false; static final boolean MULTIPLE_APPLICATION_UIDS = true; private static final int RADIO_UID = Process.PHONE_UID; private static final int LOG_UID = Process.LOG_UID; private static final int NFC_UID = Process.NFC_UID; static final int FIRST_APPLICATION_UID = Process.FIRST_APPLICATION_UID; static final int MAX_APPLICATION_UIDS = 1000; private static final boolean GET_CERTIFICATES = true; private static final int REMOVE_EVENTS = FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; private static final int ADD_EVENTS = FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; // Suffix used during package installation when copying/moving // package apks to install directory. private static final String INSTALL_PACKAGE_SUFFIX = "-"; static final int SCAN_MONITOR = 1<<0; static final int SCAN_NO_DEX = 1<<1; static final int SCAN_FORCE_DEX = 1<<2; static final int SCAN_UPDATE_SIGNATURE = 1<<3; static final int SCAN_NEW_INSTALL = 1<<4; static final int SCAN_NO_PATHS = 1<<5; static final int SCAN_UPDATE_TIME = 1<<6; static final int SCAN_DEFER_DEX = 1<<7; static final int REMOVE_CHATTY = 1<<16; /** * Whether verification is enabled by default. */ // STOPSHIP: change this to true private static final boolean DEFAULT_VERIFY_ENABLE = false; /** * The default maximum time to wait for the verification agent to return in * milliseconds. */ private static final long DEFAULT_VERIFICATION_TIMEOUT = 60 * 1000; static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( DEFAULT_CONTAINER_PACKAGE, "com.android.defcontainer.DefaultContainerService"); private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; private static final String LIB_DIR_NAME = "lib"; static final String mTempContainerPrefix = "smdl2tmp"; final HandlerThread mHandlerThread = new HandlerThread("PackageManager", Process.THREAD_PRIORITY_BACKGROUND); final PackageHandler mHandler; final int mSdkVersion = Build.VERSION.SDK_INT; final String mSdkCodename = "REL".equals(Build.VERSION.CODENAME) ? null : Build.VERSION.CODENAME; final Context mContext; final boolean mFactoryTest; final boolean mOnlyCore; final boolean mNoDexOpt; final DisplayMetrics mMetrics; final int mDefParseFlags; final String[] mSeparateProcesses; // This is where all application persistent data goes. final File mAppDataDir; // This is where all application persistent data goes for secondary users. final File mUserAppDataDir; // This is the object monitoring the framework dir. final FileObserver mFrameworkInstallObserver; // This is the object monitoring the system app dir. final FileObserver mSystemInstallObserver; // This is the object monitoring the system app dir. final FileObserver mVendorInstallObserver; // This is the object monitoring mAppInstallDir. final FileObserver mAppInstallObserver; // This is the object monitoring mDrmAppPrivateInstallDir. final FileObserver mDrmAppInstallObserver; // Used for priviledge escalation. MUST NOT BE CALLED WITH mPackages // LOCK HELD. Can be called with mInstallLock held. final Installer mInstaller; final File mFrameworkDir; final File mSystemAppDir; final File mVendorAppDir; final File mAppInstallDir; final File mDalvikCacheDir; // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked // apps. final File mDrmAppPrivateInstallDir; // ---------------------------------------------------------------- // Lock for state used when installing and doing other long running // operations. Methods that must be called with this lock held have // the prefix "LI". final Object mInstallLock = new Object(); // These are the directories in the 3rd party applications installed dir // that we have currently loaded packages from. Keys are the application's // installed zip file (absolute codePath), and values are Package. final HashMap<String, PackageParser.Package> mAppDirs = new HashMap<String, PackageParser.Package>(); // Information for the parser to write more useful error messages. File mScanningPath; int mLastScanError; final int[] mOutPermissions = new int[3]; // ---------------------------------------------------------------- // Keys are String (package name), values are Package. This also serves // as the lock for the global state. Methods that must be called with // this lock held have the prefix "LP". final HashMap<String, PackageParser.Package> mPackages = new HashMap<String, PackageParser.Package>(); final Settings mSettings; boolean mRestoredSettings; // Group-ids that are given to all packages as read from etc/permissions/*.xml. int[] mGlobalGids; // These are the built-in uid -> permission mappings that were read from the // etc/permissions.xml file. final SparseArray<HashSet<String>> mSystemPermissions = new SparseArray<HashSet<String>>(); // These are the built-in shared libraries that were read from the // etc/permissions.xml file. final HashMap<String, String> mSharedLibraries = new HashMap<String, String>(); // Temporary for building the final shared libraries for an .apk. String[] mTmpSharedLibraries = null; // These are the features this devices supports that were read from the // etc/permissions.xml file. final HashMap<String, FeatureInfo> mAvailableFeatures = new HashMap<String, FeatureInfo>(); // All available activities, for your resolving pleasure. final ActivityIntentResolver mActivities = new ActivityIntentResolver(); // All available receivers, for your resolving pleasure. final ActivityIntentResolver mReceivers = new ActivityIntentResolver(); // All available services, for your resolving pleasure. final ServiceIntentResolver mServices = new ServiceIntentResolver(); // Keys are String (provider class name), values are Provider. final HashMap<ComponentName, PackageParser.Provider> mProvidersByComponent = new HashMap<ComponentName, PackageParser.Provider>(); // Mapping from provider base names (first directory in content URI codePath) // to the provider information. final HashMap<String, PackageParser.Provider> mProviders = new HashMap<String, PackageParser.Provider>(); // Mapping from instrumentation class names to info about them. final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = new HashMap<ComponentName, PackageParser.Instrumentation>(); // Mapping from permission names to info about them. final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = new HashMap<String, PackageParser.PermissionGroup>(); // Packages whose data we have transfered into another package, thus // should no longer exist. final HashSet<String> mTransferedPackages = new HashSet<String>(); // Broadcast actions that are only available to the system. final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); /** List of packages waiting for verification. */ final SparseArray<PackageVerificationState> mPendingVerification = new SparseArray<PackageVerificationState>(); final ArrayList<PackageParser.Package> mDeferredDexOpt = new ArrayList<PackageParser.Package>(); /** Token for keys in mPendingVerification. */ private int mPendingVerificationToken = 0; boolean mSystemReady; boolean mSafeMode; boolean mHasSystemUidErrors; ApplicationInfo mAndroidApplication; final ActivityInfo mResolveActivity = new ActivityInfo(); final ResolveInfo mResolveInfo = new ResolveInfo(); ComponentName mResolveComponentName; PackageParser.Package mPlatformPackage; // Set of pending broadcasts for aggregating enable/disable of components. final HashMap<String, ArrayList<String>> mPendingBroadcasts = new HashMap<String, ArrayList<String>>(); // Service Connection to remote media container service to copy // package uri's from external media onto secure containers // or internal storage. private IMediaContainerService mContainerService = null; static final int SEND_PENDING_BROADCAST = 1; static final int MCS_BOUND = 3; static final int END_COPY = 4; static final int INIT_COPY = 5; static final int MCS_UNBIND = 6; static final int START_CLEANING_PACKAGE = 7; static final int FIND_INSTALL_LOC = 8; static final int POST_INSTALL = 9; static final int MCS_RECONNECT = 10; static final int MCS_GIVE_UP = 11; static final int UPDATED_MEDIA_STATUS = 12; static final int WRITE_SETTINGS = 13; static final int WRITE_STOPPED_PACKAGES = 14; static final int PACKAGE_VERIFIED = 15; static final int CHECK_PENDING_VERIFICATION = 16; static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds // Delay time in millisecs static final int BROADCAST_DELAY = 10 * 1000; final UserManager mUserManager; final private DefaultContainerConnection mDefContainerConn = new DefaultContainerConnection(); class DefaultContainerConnection implements ServiceConnection { public void onServiceConnected(ComponentName name, IBinder service) { if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); IMediaContainerService imcs = IMediaContainerService.Stub.asInterface(service); mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); } public void onServiceDisconnected(ComponentName name) { if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); } }; // Recordkeeping of restore-after-install operations that are currently in flight // between the Package Manager and the Backup Manager class PostInstallData { public InstallArgs args; public PackageInstalledInfo res; PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { args = _a; res = _r; } }; final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows private final String mRequiredVerifierPackage; class PackageHandler extends Handler { private boolean mBound = false; final ArrayList<HandlerParams> mPendingInstalls = new ArrayList<HandlerParams>(); private boolean connectToService() { if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + " DefaultContainerService"); Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); if (mContext.bindService(service, mDefContainerConn, Context.BIND_AUTO_CREATE)) { Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); mBound = true; return true; } Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); return false; } private void disconnectService() { mContainerService = null; mBound = false; Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); mContext.unbindService(mDefContainerConn); Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); } PackageHandler(Looper looper) { super(looper); } public void handleMessage(Message msg) { try { doHandleMessage(msg); } finally { Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); } } void doHandleMessage(Message msg) { switch (msg.what) { case INIT_COPY: { if (DEBUG_INSTALL) Slog.i(TAG, "init_copy"); HandlerParams params = (HandlerParams) msg.obj; int idx = mPendingInstalls.size(); if (DEBUG_INSTALL) Slog.i(TAG, "idx=" + idx); // If a bind was already initiated we dont really // need to do anything. The pending install // will be processed later on. if (!mBound) { // If this is the only one pending we might // have to bind to the service again. if (!connectToService()) { Slog.e(TAG, "Failed to bind to media container service"); params.serviceError(); return; } else { // Once we bind to the service, the first // pending request will be processed. mPendingInstalls.add(idx, params); } } else { mPendingInstalls.add(idx, params); // Already bound to the service. Just make // sure we trigger off processing the first request. if (idx == 0) { mHandler.sendEmptyMessage(MCS_BOUND); } } break; } case MCS_BOUND: { if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); if (msg.obj != null) { mContainerService = (IMediaContainerService) msg.obj; } if (mContainerService == null) { // Something seriously wrong. Bail out Slog.e(TAG, "Cannot bind to media container service"); for (HandlerParams params : mPendingInstalls) { mPendingInstalls.remove(0); // Indicate service bind error params.serviceError(); } mPendingInstalls.clear(); } else if (mPendingInstalls.size() > 0) { HandlerParams params = mPendingInstalls.get(0); if (params != null) { if (params.startCopy()) { // We are done... look for more work or to // go idle. if (DEBUG_SD_INSTALL) Log.i(TAG, "Checking for more work or unbind..."); // Delete pending install if (mPendingInstalls.size() > 0) { mPendingInstalls.remove(0); } if (mPendingInstalls.size() == 0) { if (mBound) { if (DEBUG_SD_INSTALL) Log.i(TAG, "Posting delayed MCS_UNBIND"); removeMessages(MCS_UNBIND); Message ubmsg = obtainMessage(MCS_UNBIND); // Unbind after a little delay, to avoid // continual thrashing. sendMessageDelayed(ubmsg, 10000); } } else { // There are more pending requests in queue. // Just post MCS_BOUND message to trigger processing // of next pending install. if (DEBUG_SD_INSTALL) Log.i(TAG, "Posting MCS_BOUND for next woek"); mHandler.sendEmptyMessage(MCS_BOUND); } } } } else { // Should never happen ideally. Slog.w(TAG, "Empty queue"); } break; } case MCS_RECONNECT: { if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); if (mPendingInstalls.size() > 0) { if (mBound) { disconnectService(); } if (!connectToService()) { Slog.e(TAG, "Failed to bind to media container service"); for (HandlerParams params : mPendingInstalls) { mPendingInstalls.remove(0); // Indicate service bind error params.serviceError(); } mPendingInstalls.clear(); } } break; } case MCS_UNBIND: { // If there is no actual work left, then time to unbind. if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { if (mBound) { if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); disconnectService(); } } else if (mPendingInstalls.size() > 0) { // There are more pending requests in queue. // Just post MCS_BOUND message to trigger processing // of next pending install. mHandler.sendEmptyMessage(MCS_BOUND); } break; } case MCS_GIVE_UP: { if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); mPendingInstalls.remove(0); break; } case SEND_PENDING_BROADCAST: { String packages[]; ArrayList<String> components[]; int size = 0; int uids[]; Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); synchronized (mPackages) { if (mPendingBroadcasts == null) { return; } size = mPendingBroadcasts.size(); if (size <= 0) { // Nothing to be done. Just return return; } packages = new String[size]; components = new ArrayList[size]; uids = new int[size]; Iterator<HashMap.Entry<String, ArrayList<String>>> it = mPendingBroadcasts.entrySet().iterator(); int i = 0; while (it.hasNext() && i < size) { HashMap.Entry<String, ArrayList<String>> ent = it.next(); packages[i] = ent.getKey(); components[i] = ent.getValue(); PackageSetting ps = mSettings.mPackages.get(ent.getKey()); uids[i] = (ps != null) ? ps.userId : -1; i++; } size = i; mPendingBroadcasts.clear(); } // Send broadcasts for (int i = 0; i < size; i++) { sendPackageChangedBroadcast(packages[i], true, 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, null); if (update) { sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, res.pkg.applicationInfo.packageName, extras, null, null); sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, null, res.pkg.applicationInfo.packageName, 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) { @SuppressWarnings("unchecked") Set<SdInstallArgs> args = (Set<SdInstallArgs>) msg.obj; if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); // Unload containers unloadAllContainers(args); } if (reportStatus) { try { if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); PackageHelper.getMountService().finishMediaUpdate(); } catch (RemoteException e) { Log.e(TAG, "MountService not running?"); } } } break; case WRITE_SETTINGS: { Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); synchronized (mPackages) { removeMessages(WRITE_SETTINGS); removeMessages(WRITE_STOPPED_PACKAGES); mSettings.writeLPr(); } Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); } break; case WRITE_STOPPED_PACKAGES: { Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); synchronized (mPackages) { removeMessages(WRITE_STOPPED_PACKAGES); mSettings.writeStoppedLPr(); } Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); } break; case CHECK_PENDING_VERIFICATION: { final int verificationId = msg.arg1; final PackageVerificationState state = mPendingVerification.get(verificationId); if (state != null) { final InstallArgs args = state.getInstallArgs(); Slog.i(TAG, "Verification timed out for " + args.packageURI.toString()); mPendingVerification.remove(verificationId); int ret = PackageManager.INSTALL_FAILED_VERIFICATION_TIMEOUT; processPendingInstall(args, ret); mHandler.sendEmptyMessage(MCS_UNBIND); } break; } case PACKAGE_VERIFIED: { final int verificationId = msg.arg1; final PackageVerificationState state = mPendingVerification.get(verificationId); if (state == null) { Slog.w(TAG, "Invalid verification token " + verificationId + " received"); break; } final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; state.setVerifierResponse(response.callerUid, response.code); if (state.isVerificationComplete()) { mPendingVerification.remove(verificationId); final InstallArgs args = state.getInstallArgs(); int ret; if (state.isInstallAllowed()) { ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; try { ret = args.copyApk(mContainerService, true); } catch (RemoteException e) { Slog.e(TAG, "Could not contact the ContainerService"); } } else { ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; } processPendingInstall(args, ret); mHandler.sendEmptyMessage(MCS_UNBIND); } break; } } } } void scheduleWriteSettingsLocked() { if (!mHandler.hasMessages(WRITE_SETTINGS)) { mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); } } void scheduleWriteStoppedPackagesLocked() { if (!mHandler.hasMessages(WRITE_STOPPED_PACKAGES)) { mHandler.sendEmptyMessageDelayed(WRITE_STOPPED_PACKAGES, WRITE_SETTINGS_DELAY); } } static boolean installOnSd(int flags) { if (((flags & PackageManager.INSTALL_FORWARD_LOCK) != 0) || ((flags & PackageManager.INSTALL_INTERNAL) != 0)) { return false; } if ((flags & PackageManager.INSTALL_EXTERNAL) != 0) { return true; } return false; } public static final IPackageManager main(Context context, boolean factoryTest, boolean onlyCore) { PackageManagerService m = new PackageManagerService(context, factoryTest, onlyCore); ServiceManager.addService("package", m); return m; } static String[] splitString(String str, char sep) { int count = 1; int i = 0; while ((i=str.indexOf(sep, i)) >= 0) { count++; i++; } String[] res = new String[count]; i=0; count = 0; int lastI=0; while ((i=str.indexOf(sep, i)) >= 0) { res[count] = str.substring(lastI, i); count++; i++; lastI = i; } res[count] = str.substring(lastI, str.length()); return res; } public PackageManagerService(Context context, boolean factoryTest, boolean onlyCore) { EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, SystemClock.uptimeMillis()); if (mSdkVersion <= 0) { Slog.w(TAG, "**** ro.build.version.sdk not set!"); } mContext = context; mFactoryTest = factoryTest; mOnlyCore = onlyCore; mNoDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); mMetrics = new DisplayMetrics(); mSettings = new Settings(); mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, ApplicationInfo.FLAG_SYSTEM); mSettings.addSharedUserLPw("android.uid.phone", MULTIPLE_APPLICATION_UIDS ? RADIO_UID : FIRST_APPLICATION_UID, ApplicationInfo.FLAG_SYSTEM); mSettings.addSharedUserLPw("android.uid.log", MULTIPLE_APPLICATION_UIDS ? LOG_UID : FIRST_APPLICATION_UID, ApplicationInfo.FLAG_SYSTEM); mSettings.addSharedUserLPw("android.uid.nfc", MULTIPLE_APPLICATION_UIDS ? NFC_UID : FIRST_APPLICATION_UID, ApplicationInfo.FLAG_SYSTEM); String separateProcesses = SystemProperties.get("debug.separate_processes"); if (separateProcesses != null && separateProcesses.length() > 0) { if ("*".equals(separateProcesses)) { mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; mSeparateProcesses = null; Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); } else { mDefParseFlags = 0; mSeparateProcesses = separateProcesses.split(","); Slog.w(TAG, "Running with debug.separate_processes: " + separateProcesses); } } else { mDefParseFlags = 0; mSeparateProcesses = null; } mInstaller = new Installer(); WindowManager wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE); Display d = wm.getDefaultDisplay(); d.getMetrics(mMetrics); synchronized (mInstallLock) { // writer synchronized (mPackages) { mHandlerThread.start(); mHandler = new PackageHandler(mHandlerThread.getLooper()); File dataDir = Environment.getDataDirectory(); mAppDataDir = new File(dataDir, "data"); mUserAppDataDir = new File(dataDir, "user"); mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); mUserManager = new UserManager(mInstaller, mUserAppDataDir); readPermissions(); mRestoredSettings = mSettings.readLPw(); long startTime = SystemClock.uptimeMillis(); EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, startTime); // Set flag to monitor and not change apk file paths when // scanning install directories. int scanMode = SCAN_MONITOR | SCAN_NO_PATHS | SCAN_DEFER_DEX; if (mNoDexOpt) { Slog.w(TAG, "Running ENG build: no pre-dexopt!"); scanMode |= SCAN_NO_DEX; } final HashSet<String> libFiles = new HashSet<String>(); mFrameworkDir = new File(Environment.getRootDirectory(), "framework"); mDalvikCacheDir = new File(dataDir, "dalvik-cache"); boolean didDexOpt = false; /** * Out of paranoia, ensure that everything in the boot class * path has been dexed. */ String bootClassPath = System.getProperty("java.boot.class.path"); if (bootClassPath != null) { String[] paths = splitString(bootClassPath, ':'); for (int i=0; i<paths.length; i++) { try { if (dalvik.system.DexFile.isDexOptNeeded(paths[i])) { libFiles.add(paths[i]); mInstaller.dexopt(paths[i], Process.SYSTEM_UID, true); didDexOpt = true; } } catch (FileNotFoundException e) { Slog.w(TAG, "Boot class path not found: " + paths[i]); } catch (IOException e) { Slog.w(TAG, "Cannot dexopt " + paths[i] + "; is it an APK or JAR? " + e.getMessage()); } } } else { Slog.w(TAG, "No BOOTCLASSPATH found!"); } /** * Also ensure all external libraries have had dexopt run on them. */ if (mSharedLibraries.size() > 0) { Iterator<String> libs = mSharedLibraries.values().iterator(); while (libs.hasNext()) { String lib = libs.next(); try { if (dalvik.system.DexFile.isDexOptNeeded(lib)) { libFiles.add(lib); mInstaller.dexopt(lib, Process.SYSTEM_UID, true); didDexOpt = true; } } catch (FileNotFoundException e) { Slog.w(TAG, "Library not found: " + lib); } catch (IOException e) { Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " + e.getMessage()); } } } // Gross hack for now: we know this file doesn't contain any // code, so don't dexopt it to avoid the resulting log spew. libFiles.add(mFrameworkDir.getPath() + "/framework-res.apk"); /** * And there are a number of commands implemented in Java, which * we currently need to do the dexopt on so that they can be * run from a non-root shell. */ String[] frameworkFiles = mFrameworkDir.list(); if (frameworkFiles != null) { for (int i=0; i<frameworkFiles.length; i++) { File libPath = new File(mFrameworkDir, frameworkFiles[i]); String path = libPath.getPath(); // Skip the file if we alrady did it. if (libFiles.contains(path)) { continue; } // Skip the file if it is not a type we want to dexopt. if (!path.endsWith(".apk") && !path.endsWith(".jar")) { continue; } try { if (dalvik.system.DexFile.isDexOptNeeded(path)) { mInstaller.dexopt(path, Process.SYSTEM_UID, true); didDexOpt = true; } } catch (FileNotFoundException e) { Slog.w(TAG, "Jar not found: " + path); } catch (IOException e) { Slog.w(TAG, "Exception reading jar: " + path, e); } } } if (didDexOpt) { // If we had to do a dexopt of one of the previous // things, then something on the system has changed. // Consider this significant, and wipe away all other // existing dexopt files to ensure we don't leave any // dangling around. String[] files = mDalvikCacheDir.list(); if (files != null) { for (int i=0; i<files.length; i++) { String fn = files[i]; if (fn.startsWith("data@app@") || fn.startsWith("data@app-private@")) { Slog.i(TAG, "Pruning dalvik file: " + fn); (new File(mDalvikCacheDir, fn)).delete(); } } } } // Find base frameworks (resource packages without code). mFrameworkInstallObserver = new AppDirObserver( mFrameworkDir.getPath(), OBSERVER_EVENTS, true); mFrameworkInstallObserver.startWatching(); scanDirLI(mFrameworkDir, PackageParser.PARSE_IS_SYSTEM | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode | SCAN_NO_DEX, 0); // Collect all system packages. mSystemAppDir = new File(Environment.getRootDirectory(), "app"); mSystemInstallObserver = new AppDirObserver( mSystemAppDir.getPath(), OBSERVER_EVENTS, true); mSystemInstallObserver.startWatching(); scanDirLI(mSystemAppDir, PackageParser.PARSE_IS_SYSTEM | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); // Collect all vendor packages. mVendorAppDir = new File("/vendor/app"); mVendorInstallObserver = new AppDirObserver( mVendorAppDir.getPath(), OBSERVER_EVENTS, true); mVendorInstallObserver.startWatching(); scanDirLI(mVendorAppDir, PackageParser.PARSE_IS_SYSTEM | PackageParser.PARSE_IS_SYSTEM_DIR, scanMode, 0); if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); mInstaller.moveFiles(); // Prune any system packages that no longer exist. if (!mOnlyCore) { Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); while (psit.hasNext()) { PackageSetting ps = psit.next(); if ((ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) != 0 && !mPackages.containsKey(ps.name) && !mSettings.mDisabledSysPackages.containsKey(ps.name)) { psit.remove(); String msg = "System package " + ps.name + " no longer exists; wiping its data"; reportSettingsProblem(Log.WARN, msg); mInstaller.remove(ps.name, 0); mUserManager.removePackageForAllUsers(ps.name); } } } mAppInstallDir = new File(dataDir, "app"); //look for any incomplete package installations ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); //clean up list for(int i = 0; i < deletePkgsList.size(); i++) { //clean up here cleanupInstallFailedPackage(deletePkgsList.get(i)); } //delete tmp files deleteTempPackageFiles(); if (!mOnlyCore) { EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, SystemClock.uptimeMillis()); mAppInstallObserver = new AppDirObserver( mAppInstallDir.getPath(), OBSERVER_EVENTS, false); mAppInstallObserver.startWatching(); scanDirLI(mAppInstallDir, 0, scanMode, 0); mDrmAppInstallObserver = new AppDirObserver( mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false); mDrmAppInstallObserver.startWatching(); scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, scanMode, 0); } else { mAppInstallObserver = null; mDrmAppInstallObserver = null; } EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, SystemClock.uptimeMillis()); Slog.i(TAG, "Time to scan packages: " + ((SystemClock.uptimeMillis()-startTime)/1000f) + " seconds"); // If the platform SDK has changed since the last time we booted, // we need to re-grant app permission to catch any new ones that // appear. This is really a hack, and means that apps can in some // cases get permissions that the user didn't initially explicitly // allow... it would be nice to have some better way to handle // this situation. final boolean regrantPermissions = mSettings.mInternalSdkPlatform != mSdkVersion; if (regrantPermissions) Slog.i(TAG, "Platform changed from " + mSettings.mInternalSdkPlatform + " to " + mSdkVersion + "; regranting permissions for internal storage"); mSettings.mInternalSdkPlatform = mSdkVersion; updatePermissionsLPw(null, null, true, regrantPermissions, regrantPermissions); // can downgrade to reader mSettings.writeLPr(); EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, SystemClock.uptimeMillis()); // Now after opening every single application zip, make sure they // are all flushed. Not really needed, but keeps things nice and // tidy. Runtime.getRuntime().gc(); mRequiredVerifierPackage = getRequiredVerifierLPr(); } // synchronized (mPackages) } // synchronized (mInstallLock) } public boolean isFirstBoot() { return !mRestoredSettings; } private String getRequiredVerifierLPr() { final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS); String requiredVerifier = null; final int N = receivers.size(); for (int i = 0; i < N; i++) { final ResolveInfo info = receivers.get(i); if (info.activityInfo == null) { continue; } final String packageName = info.activityInfo.packageName; final PackageSetting ps = mSettings.mPackages.get(packageName); if (ps == null) { continue; } if (!ps.grantedPermissions .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { continue; } if (requiredVerifier != null) { throw new RuntimeException("There can be only one required verifier"); } requiredVerifier = packageName; } return requiredVerifier; } @Override public boolean onTransact(int code, Parcel data, Parcel reply, int flags) throws RemoteException { try { return super.onTransact(code, data, reply, flags); } catch (RuntimeException e) { if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { Slog.e(TAG, "Package Manager Crash", e); } throw e; } } void cleanupInstallFailedPackage(PackageSetting ps) { Slog.i(TAG, "Cleaning up incompletely installed app: " + ps.name); int retCode = mInstaller.remove(ps.name, 0); if (retCode < 0) { Slog.w(TAG, "Couldn't remove app data directory for package: " + ps.name + ", retcode=" + retCode); } else { mUserManager.removePackageForAllUsers(ps.name); } if (ps.codePath != null) { if (!ps.codePath.delete()) { Slog.w(TAG, "Unable to remove old code file: " + ps.codePath); } } if (ps.resourcePath != null) { if (!ps.resourcePath.delete() && !ps.resourcePath.equals(ps.codePath)) { Slog.w(TAG, "Unable to remove old code file: " + ps.resourcePath); } } mSettings.removePackageLPw(ps.name); } void readPermissions() { // Read permissions from .../etc/permission directory. File libraryDir = new File(Environment.getRootDirectory(), "etc/permissions"); if (!libraryDir.exists() || !libraryDir.isDirectory()) { Slog.w(TAG, "No directory " + libraryDir + ", skipping"); return; } if (!libraryDir.canRead()) { Slog.w(TAG, "Directory " + libraryDir + " cannot be read"); return; } // Iterate over the files in the directory and scan .xml files for (File f : libraryDir.listFiles()) { // We'll read platform.xml last if (f.getPath().endsWith("etc/permissions/platform.xml")) { continue; } if (!f.getPath().endsWith(".xml")) { Slog.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); continue; } if (!f.canRead()) { Slog.w(TAG, "Permissions library file " + f + " cannot be read"); continue; } readPermissionsFromXml(f); } // Read permissions from .../etc/permissions/platform.xml last so it will take precedence final File permFile = new File(Environment.getRootDirectory(), "etc/permissions/platform.xml"); readPermissionsFromXml(permFile); } private void readPermissionsFromXml(File permFile) { FileReader permReader = null; try { permReader = new FileReader(permFile); } catch (FileNotFoundException e) { Slog.w(TAG, "Couldn't find or open permissions file " + permFile); return; } try { XmlPullParser parser = Xml.newPullParser(); parser.setInput(permReader); XmlUtils.beginDocument(parser, "permissions"); while (true) { XmlUtils.nextElement(parser); if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { break; } String name = parser.getName(); if ("group".equals(name)) { String gidStr = parser.getAttributeValue(null, "gid"); if (gidStr != null) { int gid = Integer.parseInt(gidStr); mGlobalGids = appendInt(mGlobalGids, gid); } else { Slog.w(TAG, "<group> without gid at " + parser.getPositionDescription()); } XmlUtils.skipCurrentTag(parser); continue; } else if ("permission".equals(name)) { String perm = parser.getAttributeValue(null, "name"); if (perm == null) { Slog.w(TAG, "<permission> without name at " + parser.getPositionDescription()); XmlUtils.skipCurrentTag(parser); continue; } perm = perm.intern(); readPermission(parser, perm); } else if ("assign-permission".equals(name)) { String perm = parser.getAttributeValue(null, "name"); if (perm == null) { Slog.w(TAG, "<assign-permission> without name at " + parser.getPositionDescription()); XmlUtils.skipCurrentTag(parser); continue; } String uidStr = parser.getAttributeValue(null, "uid"); if (uidStr == null) { Slog.w(TAG, "<assign-permission> without uid at " + parser.getPositionDescription()); XmlUtils.skipCurrentTag(parser); continue; } int uid = Process.getUidForName(uidStr); if (uid < 0) { Slog.w(TAG, "<assign-permission> with unknown uid \"" + uidStr + "\" at " + parser.getPositionDescription()); XmlUtils.skipCurrentTag(parser); continue; } perm = perm.intern(); HashSet<String> perms = mSystemPermissions.get(uid); if (perms == null) { perms = new HashSet<String>(); mSystemPermissions.put(uid, perms); } perms.add(perm); XmlUtils.skipCurrentTag(parser); } else if ("library".equals(name)) { String lname = parser.getAttributeValue(null, "name"); String lfile = parser.getAttributeValue(null, "file"); if (lname == null) { Slog.w(TAG, "<library> without name at " + parser.getPositionDescription()); } else if (lfile == null) { Slog.w(TAG, "<library> without file at " + parser.getPositionDescription()); } else { //Log.i(TAG, "Got library " + lname + " in " + lfile); mSharedLibraries.put(lname, lfile); } XmlUtils.skipCurrentTag(parser); continue; } else if ("feature".equals(name)) { String fname = parser.getAttributeValue(null, "name"); if (fname == null) { Slog.w(TAG, "<feature> without name at " + parser.getPositionDescription()); } else { //Log.i(TAG, "Got feature " + fname); FeatureInfo fi = new FeatureInfo(); fi.name = fname; mAvailableFeatures.put(fname, fi); } XmlUtils.skipCurrentTag(parser); continue; } else { XmlUtils.skipCurrentTag(parser); continue; } } permReader.close(); } catch (XmlPullParserException e) { Slog.w(TAG, "Got execption parsing permissions.", e); } catch (IOException e) { Slog.w(TAG, "Got execption parsing permissions.", e); } } void readPermission(XmlPullParser parser, String name) throws IOException, XmlPullParserException { name = name.intern(); BasePermission bp = mSettings.mPermissions.get(name); if (bp == null) { bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); mSettings.mPermissions.put(name, bp); } int outerDepth = parser.getDepth(); int type; while ((type=parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { continue; } String tagName = parser.getName(); if ("group".equals(tagName)) { String gidStr = parser.getAttributeValue(null, "gid"); if (gidStr != null) { int gid = Process.getGidForName(gidStr); bp.gids = appendInt(bp.gids, gid); } else { Slog.w(TAG, "<group> without gid at " + parser.getPositionDescription()); } } XmlUtils.skipCurrentTag(parser); } } static int[] appendInt(int[] cur, int val) { if (cur == null) { return new int[] { val }; } final int N = cur.length; for (int i=0; i<N; i++) { if (cur[i] == val) { return cur; } } int[] ret = new int[N+1]; System.arraycopy(cur, 0, ret, 0, N); ret[N] = val; return ret; } static int[] appendInts(int[] cur, int[] add) { if (add == null) return cur; if (cur == null) return add; final int N = add.length; for (int i=0; i<N; i++) { cur = appendInt(cur, add[i]); } return cur; } static int[] removeInt(int[] cur, int val) { if (cur == null) { return null; } final int N = cur.length; for (int i=0; i<N; i++) { if (cur[i] == val) { int[] ret = new int[N-1]; if (i > 0) { System.arraycopy(cur, 0, ret, 0, i); } if (i < (N-1)) { System.arraycopy(cur, i + 1, ret, i, N - i - 1); } return ret; } } return cur; } static int[] removeInts(int[] cur, int[] rem) { if (rem == null) return cur; if (cur == null) return cur; final int N = rem.length; for (int i=0; i<N; i++) { cur = removeInt(cur, rem[i]); } return cur; } PackageInfo generatePackageInfo(PackageParser.Package p, int flags) { if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { // The package has been uninstalled but has retained data and resources. return PackageParser.generatePackageInfo(p, null, flags, 0, 0); } final PackageSetting ps = (PackageSetting)p.mExtras; if (ps == null) { return null; } final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; return PackageParser.generatePackageInfo(p, gp.gids, flags, ps.firstInstallTime, ps.lastUpdateTime); } public PackageInfo getPackageInfo(String packageName, int flags) { // reader synchronized (mPackages) { PackageParser.Package p = mPackages.get(packageName); if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getPackageInfo " + packageName + ": " + p); if (p != null) { return generatePackageInfo(p, flags); } if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { return generatePackageInfoFromSettingsLPw(packageName, flags); } } return null; } public String[] currentToCanonicalPackageNames(String[] names) { String[] out = new String[names.length]; // reader synchronized (mPackages) { for (int i=names.length-1; i>=0; i--) { PackageSetting ps = mSettings.mPackages.get(names[i]); out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; } } return out; } public String[] canonicalToCurrentPackageNames(String[] names) { String[] out = new String[names.length]; // reader synchronized (mPackages) { for (int i=names.length-1; i>=0; i--) { String cur = mSettings.mRenamedPackages.get(names[i]); out[i] = cur != null ? cur : names[i]; } } return out; } public int getPackageUid(String packageName) { // reader 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) { // reader synchronized (mPackages) { PackageParser.Package p = mPackages.get(packageName); if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getPackageGids" + packageName + ": " + p); if (p != null) { final PackageSetting ps = (PackageSetting)p.mExtras; final SharedUserSetting suid = ps.sharedUser; 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) { // reader synchronized (mPackages) { final BasePermission p = mSettings.mPermissions.get(name); if (p != null) { return generatePermissionInfo(p, flags); } return null; } } public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { // reader synchronized (mPackages) { ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); for (BasePermission p : mSettings.mPermissions.values()) { if (group == null) { if (p.perm == null || p.perm.info.group == null) { out.add(generatePermissionInfo(p, flags)); } } else { if (p.perm != null && group.equals(p.perm.info.group)) { out.add(PackageParser.generatePermissionInfo(p.perm, flags)); } } } if (out.size() > 0) { return out; } return mPermissionGroups.containsKey(group) ? out : null; } } public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { // reader synchronized (mPackages) { return PackageParser.generatePermissionGroupInfo( mPermissionGroups.get(name), flags); } } public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { // reader synchronized (mPackages) { final int N = mPermissionGroups.size(); ArrayList<PermissionGroupInfo> out = new ArrayList<PermissionGroupInfo>(N); for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); } return out; } } private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags) { PackageSetting ps = mSettings.mPackages.get(packageName); if (ps != null) { if (ps.pkg == null) { PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, flags); if (pInfo != null) { return pInfo.applicationInfo; } return null; } return PackageParser.generateApplicationInfo(ps.pkg, flags); } return null; } private PackageInfo generatePackageInfoFromSettingsLPw(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.packageName, 0).getPath(); ps.pkg.applicationInfo.nativeLibraryDir = ps.nativeLibraryPathString; ps.pkg.mSetEnabled = ps.enabled; ps.pkg.mSetStopped = ps.stopped; } return generatePackageInfo(ps.pkg, flags); } return null; } public ApplicationInfo getApplicationInfo(String packageName, int flags) { // writer synchronized (mPackages) { PackageParser.Package p = mPackages.get(packageName); if (DEBUG_PACKAGE_INFO) 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 generateApplicationInfoFromSettingsLPw(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; retCode = mInstaller.freeCache(freeStorageSize); if (retCode < 0) { Slog.w(TAG, "Couldn't clear application caches"); } if (observer != null) { try { observer.onRemoveCompleted(null, (retCode >= 0)); } catch (RemoteException e) { Slog.w(TAG, "RemoveException when invoking call back"); } } } }); } public void freeStorage(final long freeStorageSize, final IntentSender pi) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.CLEAR_APP_CACHE, null); // Queue up an async operation since clearing cache may take a little while. mHandler.post(new Runnable() { public void run() { mHandler.removeCallbacks(this); int retCode = -1; 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 (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); if (a != null && mSettings.isEnabledLPr(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 (DEBUG_PACKAGE_INFO) Log.v( TAG, "getReceiverInfo " + component + ": " + a); if (a != null && mSettings.isEnabledLPr(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 (DEBUG_PACKAGE_INFO) Log.v( TAG, "getServiceInfo " + component + ": " + s); if (s != null && mSettings.isEnabledLPr(s.info, flags)) { return PackageParser.generateServiceInfo(s, flags); } } return null; } public ProviderInfo getProviderInfo(ComponentName component, int flags) { synchronized (mPackages) { PackageParser.Provider p = mProvidersByComponent.get(component); if (DEBUG_PACKAGE_INFO) Log.v( TAG, "getProviderInfo " + component + ": " + p); if (p != null && mSettings.isEnabledLPr(p.info, flags)) { return PackageParser.generateProviderInfo(p, flags); } } return null; } public String[] getSystemSharedLibraryNames() { Set<String> libSet; synchronized (mPackages) { libSet = mSharedLibraries.keySet(); int size = libSet.size(); if (size > 0) { String[] libs = new String[size]; libSet.toArray(libs); return libs; } } return null; } public FeatureInfo[] getSystemAvailableFeatures() { Collection<FeatureInfo> featSet; synchronized (mPackages) { featSet = mAvailableFeatures.values(); int size = featSet.size(); if (size > 0) { FeatureInfo[] features = new FeatureInfo[size+1]; featSet.toArray(features); FeatureInfo fi = new FeatureInfo(); fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", FeatureInfo.GL_ES_VERSION_UNDEFINED); features[size] = fi; return features; } } return null; } public boolean hasSystemFeature(String name) { synchronized (mPackages) { return mAvailableFeatures.containsKey(name); } } public int checkPermission(String permName, String pkgName) { synchronized (mPackages) { PackageParser.Package p = mPackages.get(pkgName); if (p != null && p.mExtras != null) { PackageSetting ps = (PackageSetting)p.mExtras; if (ps.sharedUser != null) { if (ps.sharedUser.grantedPermissions.contains(permName)) { return PackageManager.PERMISSION_GRANTED; } } else if (ps.grantedPermissions.contains(permName)) { return PackageManager.PERMISSION_GRANTED; } } } return PackageManager.PERMISSION_DENIED; } public int checkUidPermission(String permName, int uid) { synchronized (mPackages) { Object obj = mSettings.getUserIdLPr(uid); if (obj != null) { GrantedPermissions gp = (GrantedPermissions)obj; if (gp.grantedPermissions.contains(permName)) { return PackageManager.PERMISSION_GRANTED; } } else { HashSet<String> perms = mSystemPermissions.get(uid); if (perms != null && perms.contains(permName)) { return PackageManager.PERMISSION_GRANTED; } } } return PackageManager.PERMISSION_DENIED; } private BasePermission findPermissionTreeLP(String permName) { for(BasePermission bp : mSettings.mPermissionTrees.values()) { if (permName.startsWith(bp.name) && permName.length() > bp.name.length() && permName.charAt(bp.name.length()) == '.') { return bp; } } return null; } private BasePermission checkPermissionTreeLP(String permName) { if (permName != null) { BasePermission bp = findPermissionTreeLP(permName); if (bp != null) { if (bp.uid == Binder.getCallingUid()) { return bp; } throw new SecurityException("Calling uid " + Binder.getCallingUid() + " is not allowed to add to permission tree " + bp.name + " owned by uid " + bp.uid); } } throw new SecurityException("No permission tree found for " + permName); } static boolean compareStrings(CharSequence s1, CharSequence s2) { if (s1 == null) { return s2 == null; } if (s2 == null) { return false; } if (s1.getClass() != s2.getClass()) { return false; } return s1.equals(s2); } static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { if (pi1.icon != pi2.icon) return false; if (pi1.logo != pi2.logo) return false; if (pi1.protectionLevel != pi2.protectionLevel) return false; if (!compareStrings(pi1.name, pi2.name)) return false; if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; // We'll take care of setting this one. if (!compareStrings(pi1.packageName, pi2.packageName)) return false; // These are not currently stored in settings. //if (!compareStrings(pi1.group, pi2.group)) return false; //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; //if (pi1.labelRes != pi2.labelRes) return false; //if (pi1.descriptionRes != pi2.descriptionRes) return false; return true; } boolean addPermissionLocked(PermissionInfo info, boolean async) { if (info.labelRes == 0 && info.nonLocalizedLabel == null) { throw new SecurityException("Label must be specified in permission"); } BasePermission tree = checkPermissionTreeLP(info.name); BasePermission bp = mSettings.mPermissions.get(info.name); boolean added = bp == null; boolean changed = true; if (added) { bp = new BasePermission(info.name, tree.sourcePackage, BasePermission.TYPE_DYNAMIC); } else if (bp.type != BasePermission.TYPE_DYNAMIC) { throw new SecurityException( "Not allowed to modify non-dynamic permission " + info.name); } else { if (bp.protectionLevel == info.protectionLevel && bp.perm.owner.equals(tree.perm.owner) && bp.uid == tree.uid && comparePermissionInfos(bp.perm.info, info)) { changed = false; } } bp.protectionLevel = info.protectionLevel; bp.perm = new PackageParser.Permission(tree.perm.owner, new PermissionInfo(info)); bp.perm.info.packageName = tree.perm.info.packageName; bp.uid = tree.uid; if (added) { mSettings.mPermissions.put(info.name, bp); } if (changed) { if (!async) { mSettings.writeLPr(); } else { scheduleWriteSettingsLocked(); } } return added; } public boolean addPermission(PermissionInfo info) { synchronized (mPackages) { return addPermissionLocked(info, false); } } public boolean addPermissionAsync(PermissionInfo info) { synchronized (mPackages) { return addPermissionLocked(info, true); } } public void removePermission(String name) { synchronized (mPackages) { checkPermissionTreeLP(name); BasePermission bp = mSettings.mPermissions.get(name); if (bp != null) { if (bp.type != BasePermission.TYPE_DYNAMIC) { throw new SecurityException( "Not allowed to modify non-dynamic permission " + name); } mSettings.mPermissions.remove(name); mSettings.writeLPr(); } } } public boolean isProtectedBroadcast(String actionName) { synchronized (mPackages) { return mProtectedBroadcasts.contains(actionName); } } public int checkSignatures(String pkg1, String pkg2) { synchronized (mPackages) { final PackageParser.Package p1 = mPackages.get(pkg1); final PackageParser.Package p2 = mPackages.get(pkg2); if (p1 == null || p1.mExtras == null || p2 == null || p2.mExtras == null) { return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; } return compareSignatures(p1.mSignatures, p2.mSignatures); } } public int checkUidSignatures(int uid1, int uid2) { // reader synchronized (mPackages) { Signature[] s1; Signature[] s2; Object obj = mSettings.getUserIdLPr(uid1); if (obj != null) { if (obj instanceof SharedUserSetting) { s1 = ((SharedUserSetting)obj).signatures.mSignatures; } else if (obj instanceof PackageSetting) { s1 = ((PackageSetting)obj).signatures.mSignatures; } else { return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; } } else { return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; } obj = mSettings.getUserIdLPr(uid2); if (obj != null) { if (obj instanceof SharedUserSetting) { s2 = ((SharedUserSetting)obj).signatures.mSignatures; } else if (obj instanceof PackageSetting) { s2 = ((PackageSetting)obj).signatures.mSignatures; } else { return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; } } else { return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; } return compareSignatures(s1, s2); } } static int compareSignatures(Signature[] s1, Signature[] s2) { if (s1 == null) { return s2 == null ? PackageManager.SIGNATURE_NEITHER_SIGNED : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; } if (s2 == null) { return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; } HashSet<Signature> set1 = new HashSet<Signature>(); for (Signature sig : s1) { set1.add(sig); } HashSet<Signature> set2 = new HashSet<Signature>(); for (Signature sig : s2) { set2.add(sig); } // Make sure s2 contains all signatures in s1. if (set1.equals(set2)) { return PackageManager.SIGNATURE_MATCH; } return PackageManager.SIGNATURE_NO_MATCH; } public String[] getPackagesForUid(int uid) { // reader synchronized (mPackages) { Object obj = mSettings.getUserIdLPr(uid); if (obj instanceof SharedUserSetting) { final SharedUserSetting sus = (SharedUserSetting) obj; final int N = sus.packages.size(); final String[] res = new String[N]; final Iterator<PackageSetting> it = sus.packages.iterator(); int i = 0; while (it.hasNext()) { res[i++] = it.next().name; } return res; } else if (obj instanceof PackageSetting) { final PackageSetting ps = (PackageSetting) obj; return new String[] { ps.name }; } } return null; } public String getNameForUid(int uid) { // reader synchronized (mPackages) { Object obj = mSettings.getUserIdLPr(uid); if (obj instanceof SharedUserSetting) { final SharedUserSetting sus = (SharedUserSetting) obj; return sus.name + ":" + sus.userId; } else if (obj instanceof PackageSetting) { final PackageSetting ps = (PackageSetting) obj; return ps.name; } } return null; } public int getUidForSharedUser(String sharedUserName) { if(sharedUserName == null) { return -1; } // reader synchronized (mPackages) { final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); if(suid == null) { return -1; } return suid.userId; } } public ResolveInfo resolveIntent(Intent intent, String resolvedType, int flags) { List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags); return chooseBestActivity(intent, resolvedType, flags, query); } private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, int flags, List<ResolveInfo> query) { if (query != null) { final int N = query.size(); if (N == 1) { return query.get(0); } else if (N > 1) { // If there is more than one activity with the same priority, // then let the user decide between them. ResolveInfo r0 = query.get(0); ResolveInfo r1 = query.get(1); if (DEBUG_INTENT_MATCHING) { Log.d(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " + r1.activityInfo.name + "=" + r1.priority); } // If the first activity has a higher priority, or a different // default, then it is always desireable to pick it. if (r0.priority != r1.priority || r0.preferredOrder != r1.preferredOrder || r0.isDefault != r1.isDefault) { return query.get(0); } // If we have saved a preference for a preferred activity for // this Intent, use that. ResolveInfo ri = findPreferredActivity(intent, resolvedType, flags, query, r0.priority); if (ri != null) { return ri; } return mResolveInfo; } } return null; } ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, List<ResolveInfo> query, int priority) { // writer synchronized (mPackages) { if (intent.getSelector() != null) { intent = intent.getSelector(); } if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); List<PreferredActivity> prefs = mSettings.mPreferredActivities.queryIntent(intent, resolvedType, (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0); if (prefs != null && prefs.size() > 0) { // First figure out how good the original match set is. // We will only allow preferred activities that came // from the same match quality. int match = 0; if (DEBUG_PREFERRED) { Log.v(TAG, "Figuring out best match..."); } final int N = query.size(); for (int j=0; j<N; j++) { final ResolveInfo ri = query.get(j); if (DEBUG_PREFERRED) { Log.v(TAG, "Match for " + ri.activityInfo + ": 0x" + Integer.toHexString(match)); } if (ri.match > match) { match = ri.match; } } if (DEBUG_PREFERRED) { Log.v(TAG, "Best match: 0x" + Integer.toHexString(match)); } match &= IntentFilter.MATCH_CATEGORY_MASK; final int M = prefs.size(); for (int i=0; i<M; i++) { final PreferredActivity pa = prefs.get(i); if (pa.mPref.mMatch != match) { continue; } final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, flags); if (DEBUG_PREFERRED) { Log.v(TAG, "Got preferred activity:"); if (ai != null) { ai.dump(new LogPrinter(Log.VERBOSE, TAG), " "); } else { Log.v(TAG, " null"); } } if (ai != null) { for (int j=0; j<N; j++) { final ResolveInfo ri = query.get(j); if (!ri.activityInfo.applicationInfo.packageName .equals(ai.applicationInfo.packageName)) { continue; } if (!ri.activityInfo.name.equals(ai.name)) { continue; } // Okay we found a previously set preferred app. // If the result set is different from when this // was created, we need to clear it and re-ask the // user their preference. if (!pa.mPref.sameSet(query, priority)) { Slog.i(TAG, "Result set changed, dropping preferred activity for " + intent + " type " + resolvedType); mSettings.mPreferredActivities.removeFilter(pa); return null; } // Yay! return ri; } } } } } return null; } public List<ResolveInfo> queryIntentActivities(Intent intent, String resolvedType, int flags) { ComponentName comp = intent.getComponent(); if (comp == null) { if (intent.getSelector() != null) { intent = intent.getSelector(); comp = intent.getComponent(); } } if (comp != null) { final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); final ActivityInfo ai = getActivityInfo(comp, flags); if (ai != null) { final ResolveInfo ri = new ResolveInfo(); ri.activityInfo = ai; list.add(ri); } return list; } // reader synchronized (mPackages) { final String pkgName = intent.getPackage(); if (pkgName == null) { return mActivities.queryIntent(intent, resolvedType, flags); } final PackageParser.Package pkg = mPackages.get(pkgName); if (pkg != null) { return mActivities.queryIntentForPackage(intent, resolvedType, flags, pkg.activities); } return new ArrayList<ResolveInfo>(); } } public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, Intent[] specifics, String[] specificTypes, Intent intent, String resolvedType, int flags) { final String resultsAction = intent.getAction(); List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags | PackageManager.GET_RESOLVED_FILTER); if (DEBUG_INTENT_MATCHING) { Log.v(TAG, "Query " + intent + ": " + results); } int specificsPos = 0; int N; // todo: note that the algorithm used here is O(N^2). This // isn't a problem in our current environment, but if we start running // into situations where we have more than 5 or 10 matches then this // should probably be changed to something smarter... // First we go through and resolve each of the specific items // that were supplied, taking care of removing any corresponding // duplicate items in the generic resolve list. if (specifics != null) { for (int i=0; i<specifics.length; i++) { final Intent sintent = specifics[i]; if (sintent == null) { continue; } if (DEBUG_INTENT_MATCHING) { Log.v(TAG, "Specific #" + i + ": " + sintent); } String action = sintent.getAction(); if (resultsAction != null && resultsAction.equals(action)) { // If this action was explicitly requested, then don't // remove things that have it. action = null; } ResolveInfo ri = null; ActivityInfo ai = null; ComponentName comp = sintent.getComponent(); if (comp == null) { ri = resolveIntent( sintent, specificTypes != null ? specificTypes[i] : null, flags); if (ri == null) { continue; } if (ri == mResolveInfo) { // ACK! Must do something better with this. } ai = ri.activityInfo; comp = new ComponentName(ai.applicationInfo.packageName, ai.name); } else { ai = getActivityInfo(comp, flags); if (ai == null) { continue; } } // Look for any generic query activities that are duplicates // of this specific one, and remove them from the results. if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); N = results.size(); int j; for (j=specificsPos; j<N; j++) { ResolveInfo sri = results.get(j); if ((sri.activityInfo.name.equals(comp.getClassName()) && sri.activityInfo.applicationInfo.packageName.equals( comp.getPackageName())) || (action != null && sri.filter.matchAction(action))) { results.remove(j); if (DEBUG_INTENT_MATCHING) Log.v( TAG, "Removing duplicate item from " + j + " due to specific " + specificsPos); if (ri == null) { ri = sri; } j--; N--; } } // Add this specific item to its proper place. if (ri == null) { ri = new ResolveInfo(); ri.activityInfo = ai; } results.add(specificsPos, ri); ri.specificIndex = i; specificsPos++; } } // Now we go through the remaining generic results and remove any // duplicate actions that are found here. N = results.size(); for (int i=specificsPos; i<N-1; i++) { final ResolveInfo rii = results.get(i); if (rii.filter == null) { continue; } // Iterate over all of the actions of this result's intent // filter... typically this should be just one. final Iterator<String> it = rii.filter.actionsIterator(); if (it == null) { continue; } while (it.hasNext()) { final String action = it.next(); if (resultsAction != null && resultsAction.equals(action)) { // If this action was explicitly requested, then don't // remove things that have it. continue; } for (int j=i+1; j<N; j++) { final ResolveInfo rij = results.get(j); if (rij.filter != null && rij.filter.hasAction(action)) { results.remove(j); if (DEBUG_INTENT_MATCHING) Log.v( TAG, "Removing duplicate item from " + j + " due to action " + action + " at " + i); j--; N--; } } } // If the caller didn't request filter information, drop it now // so we don't have to marshall/unmarshall it. if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { rii.filter = null; } } // Filter out the caller activity if so requested. if (caller != null) { N = results.size(); for (int i=0; i<N; i++) { ActivityInfo ainfo = results.get(i).activityInfo; if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) && caller.getClassName().equals(ainfo.name)) { results.remove(i); break; } } } // If the caller didn't request filter information, // drop them now so we don't have to // marshall/unmarshall it. if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { N = results.size(); for (int i=0; i<N; i++) { results.get(i).filter = null; } } if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); return results; } public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags) { ComponentName comp = intent.getComponent(); if (comp == null) { if (intent.getSelector() != null) { intent = intent.getSelector(); comp = intent.getComponent(); } } if (comp != null) { List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); ActivityInfo ai = getReceiverInfo(comp, flags); if (ai != null) { ResolveInfo ri = new ResolveInfo(); ri.activityInfo = ai; list.add(ri); } return list; } // reader synchronized (mPackages) { String pkgName = intent.getPackage(); if (pkgName == null) { return mReceivers.queryIntent(intent, resolvedType, flags); } final PackageParser.Package pkg = mPackages.get(pkgName); if (pkg != null) { return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers); } return null; } } public ResolveInfo resolveService(Intent intent, String resolvedType, int flags) { List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags); if (query != null) { if (query.size() >= 1) { // If there is more than one service with the same priority, // just arbitrarily pick the first one. return query.get(0); } } return null; } public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags) { ComponentName comp = intent.getComponent(); if (comp == null) { if (intent.getSelector() != null) { intent = intent.getSelector(); comp = intent.getComponent(); } } if (comp != null) { final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); final ServiceInfo si = getServiceInfo(comp, flags); if (si != null) { final ResolveInfo ri = new ResolveInfo(); ri.serviceInfo = si; list.add(ri); } return list; } // reader synchronized (mPackages) { String pkgName = intent.getPackage(); if (pkgName == null) { return mServices.queryIntent(intent, resolvedType, flags); } final PackageParser.Package pkg = mPackages.get(pkgName); if (pkg != null) { return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services); } return null; } } private static final int getContinuationPoint(final String[] keys, final String key) { final int index; if (key == null) { index = 0; } else { final int insertPoint = Arrays.binarySearch(keys, key); if (insertPoint < 0) { index = -insertPoint; } else { index = insertPoint + 1; } } return index; } public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, String lastRead) { final ParceledListSlice<PackageInfo> list = new ParceledListSlice<PackageInfo>(); final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; final String[] keys; // writer synchronized (mPackages) { if (listUninstalled) { keys = mSettings.mPackages.keySet().toArray(new String[mSettings.mPackages.size()]); } else { keys = mPackages.keySet().toArray(new String[mPackages.size()]); } Arrays.sort(keys); int i = getContinuationPoint(keys, lastRead); final int N = keys.length; while (i < N) { final String packageName = keys[i++]; PackageInfo pi = null; if (listUninstalled) { final PackageSetting ps = mSettings.mPackages.get(packageName); if (ps != null) { pi = generatePackageInfoFromSettingsLPw(ps.name, flags); } } else { final PackageParser.Package p = mPackages.get(packageName); if (p != null) { pi = generatePackageInfo(p, flags); } } if (pi != null && !list.append(pi)) { break; } } if (i == N) { list.setLastSlice(true); } } return list; } public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, String lastRead) { final ParceledListSlice<ApplicationInfo> list = new ParceledListSlice<ApplicationInfo>(); final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; final String[] keys; // writer synchronized (mPackages) { if (listUninstalled) { keys = mSettings.mPackages.keySet().toArray(new String[mSettings.mPackages.size()]); } else { keys = mPackages.keySet().toArray(new String[mPackages.size()]); } Arrays.sort(keys); int i = getContinuationPoint(keys, lastRead); final int N = keys.length; while (i < N) { final String packageName = keys[i++]; ApplicationInfo ai = null; if (listUninstalled) { final PackageSetting ps = mSettings.mPackages.get(packageName); if (ps != null) { ai = generateApplicationInfoFromSettingsLPw(ps.name, flags); } } else { final PackageParser.Package p = mPackages.get(packageName); if (p != null) { ai = PackageParser.generateApplicationInfo(p, flags); } } if (ai != null && !list.append(ai)) { break; } } if (i == N) { list.setLastSlice(true); } } return list; } public List<ApplicationInfo> getPersistentApplications(int flags) { final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); // reader synchronized (mPackages) { final Iterator<PackageParser.Package> i = mPackages.values().iterator(); while (i.hasNext()) { final PackageParser.Package p = i.next(); if (p.applicationInfo != null && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 && (!mSafeMode || isSystemApp(p))) { finalList.add(PackageParser.generateApplicationInfo(p, flags)); } } } return finalList; } public ProviderInfo resolveContentProvider(String name, int flags) { // reader synchronized (mPackages) { final PackageParser.Provider provider = mProviders.get(name); return provider != null && mSettings.isEnabledLPr(provider.info, flags) && (!mSafeMode || (provider.info.applicationInfo.flags &ApplicationInfo.FLAG_SYSTEM) != 0) ? PackageParser.generateProviderInfo(provider, flags) : null; } } /** * @deprecated */ @Deprecated public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { // reader synchronized (mPackages) { final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProviders.entrySet() .iterator(); while (i.hasNext()) { Map.Entry<String, PackageParser.Provider> entry = i.next(); PackageParser.Provider p = entry.getValue(); if (p.syncable && (!mSafeMode || (p.info.applicationInfo.flags &ApplicationInfo.FLAG_SYSTEM) != 0)) { outNames.add(entry.getKey()); outInfo.add(PackageParser.generateProviderInfo(p, 0)); } } } } public List<ProviderInfo> queryContentProviders(String processName, int uid, int flags) { ArrayList<ProviderInfo> finalList = null; // reader synchronized (mPackages) { final Iterator<PackageParser.Provider> i = mProvidersByComponent.values().iterator(); while (i.hasNext()) { final PackageParser.Provider p = i.next(); if (p.info.authority != null && (processName == null || (p.info.processName.equals(processName) && p.info.applicationInfo.uid == uid)) && mSettings.isEnabledLPr(p.info, flags) && (!mSafeMode || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { if (finalList == null) { finalList = new ArrayList<ProviderInfo>(3); } finalList.add(PackageParser.generateProviderInfo(p, flags)); } } } if (finalList != null) { Collections.sort(finalList, mProviderInitOrderSorter); } return finalList; } public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { // reader synchronized (mPackages) { final PackageParser.Instrumentation i = mInstrumentation.get(name); return PackageParser.generateInstrumentationInfo(i, flags); } } public List<InstrumentationInfo> queryInstrumentation(String targetPackage, int flags) { ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); // reader synchronized (mPackages) { final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); while (i.hasNext()) { final PackageParser.Instrumentation p = i.next(); if (targetPackage == null || targetPackage.equals(p.info.targetPackage)) { finalList.add(PackageParser.generateInstrumentationInfo(p, flags)); } } } return finalList; } private void scanDirLI(File dir, int flags, int scanMode, long currentTime) { String[] files = dir.list(); if (files == null) { Log.d(TAG, "No files in app dir " + dir); return; } if (DEBUG_PACKAGE_SCANNING) { Log.d(TAG, "Scanning app dir " + dir); } int i; for (i=0; i<files.length; i++) { File file = new File(dir, files[i]); if (!isPackageFilename(files[i])) { // Ignore entries which are not apk's continue; } PackageParser.Package pkg = scanPackageLI(file, flags|PackageParser.PARSE_MUST_BE_APK, scanMode, currentTime); // Don't mess around with apps in system partition. if (pkg == null && (flags & PackageParser.PARSE_IS_SYSTEM) == 0 && mLastScanError == PackageManager.INSTALL_FAILED_INVALID_APK) { // Delete the apk Slog.w(TAG, "Cleaning up failed install of " + file); file.delete(); } } } private static File getSettingsProblemFile() { File dataDir = Environment.getDataDirectory(); File systemDir = new File(dataDir, "system"); File fname = new File(systemDir, "uiderrors.txt"); return fname; } static void reportSettingsProblem(int priority, String msg) { try { File fname = getSettingsProblemFile(); FileOutputStream out = new FileOutputStream(fname, true); PrintWriter pw = new PrintWriter(out); SimpleDateFormat formatter = new SimpleDateFormat(); String dateString = formatter.format(new Date(System.currentTimeMillis())); pw.println(dateString + ": " + msg); pw.close(); FileUtils.setPermissions( fname.toString(), FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, -1, -1); } catch (java.io.IOException e) { } Slog.println(priority, TAG, msg); } private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, PackageParser.Package pkg, File srcFile, int parseFlags) { if (GET_CERTIFICATES) { if (ps != null && ps.codePath.equals(srcFile) && ps.timeStamp == srcFile.lastModified()) { if (ps.signatures.mSignatures != null && ps.signatures.mSignatures.length != 0) { // Optimization: reuse the existing cached certificates // if the package appears to be unchanged. pkg.mSignatures = ps.signatures.mSignatures; return true; } Slog.w(TAG, "PackageSetting for " + ps.name + " is missing signatures. Collecting certs again to recover them."); } else { Log.i(TAG, srcFile.toString() + " changed; collecting certs"); } if (!pp.collectCertificates(pkg, parseFlags)) { mLastScanError = pp.getParseError(); return false; } } return true; } /* * Scan a package and return the newly parsed package. * Returns null in case of errors and the error code is stored in mLastScanError */ private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanMode, long currentTime) { mLastScanError = PackageManager.INSTALL_SUCCEEDED; String scanPath = scanFile.getPath(); parseFlags |= mDefParseFlags; PackageParser pp = new PackageParser(scanPath); pp.setSeparateProcesses(mSeparateProcesses); pp.setOnlyCoreApps(mOnlyCore); final PackageParser.Package pkg = pp.parsePackage(scanFile, scanPath, mMetrics, parseFlags); if (pkg == null) { mLastScanError = pp.getParseError(); return null; } PackageSetting ps = null; PackageSetting updatedPkg; // reader synchronized (mPackages) { // Look to see if we already know about this package. String oldName = mSettings.mRenamedPackages.get(pkg.packageName); if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { // This package has been renamed to its original name. Let's // use that. ps = mSettings.peekPackageLPr(oldName); } // If there was no original package, see one for the real package name. if (ps == null) { ps = mSettings.peekPackageLPr(pkg.packageName); } // Check to see if this package could be hiding/updating a system // package. Must look for it either under the original or real // package name depending on our state. updatedPkg = mSettings.mDisabledSysPackages.get( ps != null ? ps.name : pkg.packageName); } // First check if this is a system package that may involve an update if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { if (ps != null && !ps.codePath.equals(scanFile)) { // The path has changed from what was last scanned... check the // version of the new path against what we have stored to determine // what to do. if (pkg.mVersionCode < ps.versionCode) { // The system package has been updated and the code path does not match // Ignore entry. Skip it. Log.i(TAG, "Package " + ps.name + " at " + scanFile + " ignored: updated version " + ps.versionCode + " better than this " + pkg.mVersionCode); mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; return null; } else { // The current app on the system partion is better than // what we have updated to on the data partition; switch // back to the system partition version. // At this point, its safely assumed that package installation for // apps in system partition will go through. If not there won't be a working // version of the app // writer synchronized (mPackages) { // Just remove the loaded entries from package lists. mPackages.remove(ps.name); } Slog.w(TAG, "Package " + ps.name + " at " + scanFile + "reverting from " + ps.codePathString + ": new version " + pkg.mVersionCode + " better than installed " + ps.versionCode); InstallArgs args = new FileInstallArgs(ps.codePathString, ps.resourcePathString, ps.nativeLibraryPathString); args.cleanUpResourcesLI(); mSettings.enableSystemPackageLPw(ps.name); } } } if (updatedPkg != null) { // An updated system app will not have the PARSE_IS_SYSTEM flag set initially parseFlags |= PackageParser.PARSE_IS_SYSTEM; } // Verify certificates against what was last scanned if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { Slog.w(TAG, "Failed verifying certificates for package:" + pkg.packageName); return null; } // The apk is forward locked (not public) if its code and resources // are kept in different files. // TODO grab this value from PackageSettings if (ps != null && !ps.codePath.equals(ps.resourcePath)) { parseFlags |= PackageParser.PARSE_FORWARD_LOCK; } String codePath = null; String resPath = null; if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0) { if (ps != null && ps.resourcePathString != null) { resPath = ps.resourcePathString; } else { // Should not happen at all. Just log an error. Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); } } else { resPath = pkg.mScanPath; } codePath = pkg.mScanPath; // Set application objects path explicitly. setApplicationInfoPaths(pkg, codePath, resPath); // Note that we invoke the following method only if we are about to unpack an application return scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_SIGNATURE, currentTime); } private static void setApplicationInfoPaths(PackageParser.Package pkg, String destCodePath, String destResPath) { pkg.mPath = pkg.mScanPath = destCodePath; pkg.applicationInfo.sourceDir = destCodePath; pkg.applicationInfo.publicSourceDir = destResPath; } private static String fixProcessName(String defProcessName, String processName, int uid) { if (processName == null) { return defProcessName; } return processName; } private boolean verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) { if (pkgSetting.signatures.mSignatures != null) { // Already existing package. Make sure signatures match if (compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { Slog.e(TAG, "Package " + pkg.packageName + " signatures do not match the previously installed version; ignoring!"); mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; return false; } } // Check for shared user signatures if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { Slog.e(TAG, "Package " + pkg.packageName + " has no signatures that match those in shared user " + pkgSetting.sharedUser.name + "; ignoring!"); mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; return false; } } return true; } /** * Enforces that only the system UID or root's UID can call a method exposed * via Binder. * * @param message used as message if SecurityException is thrown * @throws SecurityException if the caller is not system or root */ private static final void enforceSystemOrRoot(String message) { final int uid = Binder.getCallingUid(); if (uid != Process.SYSTEM_UID && uid != 0) { throw new SecurityException(message); } } public void performBootDexOpt() { ArrayList<PackageParser.Package> pkgs = null; synchronized (mPackages) { if (mDeferredDexOpt.size() > 0) { pkgs = new ArrayList<PackageParser.Package>(mDeferredDexOpt); mDeferredDexOpt.clear(); } } if (pkgs != null) { for (int i=0; i<pkgs.size(); i++) { if (!isFirstBoot()) { try { ActivityManagerNative.getDefault().showBootMessage( mContext.getResources().getString( com.android.internal.R.string.android_upgrading_apk, i+1, pkgs.size()), true); } catch (RemoteException e) { } } PackageParser.Package p = pkgs.get(i); synchronized (mInstallLock) { if (!p.mDidDexOpt) { performDexOptLI(p, false, false); } } } } } public boolean performDexOpt(String packageName) { enforceSystemOrRoot("Only the system can request dexopt be performed"); if (!mNoDexOpt) { return false; } PackageParser.Package p; synchronized (mPackages) { p = mPackages.get(packageName); if (p == null || p.mDidDexOpt) { return false; } } synchronized (mInstallLock) { return performDexOptLI(p, false, false) == DEX_OPT_PERFORMED; } } static final int DEX_OPT_SKIPPED = 0; static final int DEX_OPT_PERFORMED = 1; static final int DEX_OPT_DEFERRED = 2; static final int DEX_OPT_FAILED = -1; private int performDexOptLI(PackageParser.Package pkg, boolean forceDex, boolean defer) { boolean performed = false; if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { String path = pkg.mScanPath; int ret = 0; try { if (forceDex || dalvik.system.DexFile.isDexOptNeeded(path)) { if (!forceDex && defer) { mDeferredDexOpt.add(pkg); return DEX_OPT_DEFERRED; } else { Log.i(TAG, "Running dexopt on: " + pkg.applicationInfo.packageName); ret = mInstaller.dexopt(path, pkg.applicationInfo.uid, !isForwardLocked(pkg)); pkg.mDidDexOpt = true; performed = true; } } } catch (FileNotFoundException e) { Slog.w(TAG, "Apk not found for dexopt: " + path); ret = -1; } catch (IOException e) { Slog.w(TAG, "IOException reading apk: " + path, e); ret = -1; } catch (dalvik.system.StaleDexCacheError e) { Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); ret = -1; } catch (Exception e) { Slog.w(TAG, "Exception when doing dexopt : ", e); ret = -1; } if (ret < 0) { //error from installer return DEX_OPT_FAILED; } } return performed ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; } private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { Slog.w(TAG, "Unable to update from " + oldPkg.name + " to " + newPkg.packageName + ": old package not in system partition"); return false; } else if (mPackages.get(oldPkg.name) != null) { Slog.w(TAG, "Unable to update from " + oldPkg.name + " to " + newPkg.packageName + ": old package still exists"); return false; } return true; } File getDataPathForUser(int userId) { return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); } private File getDataPathForPackage(String packageName, int userId) { /* * Until we fully support multiple users, return the directory we * previously would have. The PackageManagerTests will need to be * revised when this is changed back.. */ if (userId == 0) { return new File(mAppDataDir, packageName); } else { return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId + File.separator + packageName); } } private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, int scanMode, long currentTime) { File scanFile = new File(pkg.mScanPath); if (scanFile == null || pkg.applicationInfo.sourceDir == null || pkg.applicationInfo.publicSourceDir == null) { // Bail out. The resource and code paths haven't been set. Slog.w(TAG, " Code and resource paths haven't been set correctly"); mLastScanError = PackageManager.INSTALL_FAILED_INVALID_APK; return null; } mScanningPath = scanFile; if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; } if (pkg.packageName.equals("android")) { synchronized (mPackages) { if (mAndroidApplication != null) { Slog.w(TAG, "*************************************************"); Slog.w(TAG, "Core android package being redefined. Skipping."); Slog.w(TAG, " file=" + mScanningPath); Slog.w(TAG, "*************************************************"); mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; return null; } // Set up information for our fall-back user intent resolution // activity. mPlatformPackage = pkg; pkg.mVersionCode = mSdkVersion; mAndroidApplication = pkg.applicationInfo; mResolveActivity.applicationInfo = mAndroidApplication; mResolveActivity.name = ResolverActivity.class.getName(); mResolveActivity.packageName = mAndroidApplication.packageName; mResolveActivity.processName = mAndroidApplication.processName; mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; mResolveActivity.theme = com.android.internal.R.style.Theme_Holo_Dialog_Alert; mResolveActivity.exported = true; mResolveActivity.enabled = true; mResolveInfo.activityInfo = mResolveActivity; mResolveInfo.priority = 0; mResolveInfo.preferredOrder = 0; mResolveInfo.match = 0; mResolveComponentName = new ComponentName( mAndroidApplication.packageName, mResolveActivity.name); } } if (DEBUG_PACKAGE_SCANNING) { if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) Log.d(TAG, "Scanning package " + pkg.packageName); } if (mPackages.containsKey(pkg.packageName) || mSharedLibraries.containsKey(pkg.packageName)) { Slog.w(TAG, "Application package " + pkg.packageName + " already installed. Skipping duplicate."); mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; return null; } // Initialize package source and resource directories File destCodeFile = new File(pkg.applicationInfo.sourceDir); File destResourceFile = new File(pkg.applicationInfo.publicSourceDir); SharedUserSetting suid = null; PackageSetting pkgSetting = null; if (!isSystemApp(pkg)) { // Only system apps can use these features. pkg.mOriginalPackages = null; pkg.mRealPackage = null; pkg.mAdoptPermissions = null; } // writer synchronized (mPackages) { // Check all shared libraries and map to their actual file path. if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { if (mTmpSharedLibraries == null || mTmpSharedLibraries.length < mSharedLibraries.size()) { mTmpSharedLibraries = new String[mSharedLibraries.size()]; } int num = 0; int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; for (int i=0; i<N; i++) { final String file = mSharedLibraries.get(pkg.usesLibraries.get(i)); if (file == null) { Slog.e(TAG, "Package " + pkg.packageName + " requires unavailable shared library " + pkg.usesLibraries.get(i) + "; failing!"); mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; return null; } mTmpSharedLibraries[num] = file; num++; } N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; for (int i=0; i<N; i++) { final String file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); if (file == null) { Slog.w(TAG, "Package " + pkg.packageName + " desires unavailable shared library " + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); } else { mTmpSharedLibraries[num] = file; num++; } } if (num > 0) { pkg.usesLibraryFiles = new String[num]; System.arraycopy(mTmpSharedLibraries, 0, pkg.usesLibraryFiles, 0, num); } } if (pkg.mSharedUserId != null) { suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, pkg.applicationInfo.flags, true); if (suid == null) { Slog.w(TAG, "Creating application package " + pkg.packageName + " for shared user failed"); mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; return null; } if (DEBUG_PACKAGE_SCANNING) { if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId + "): packages=" + suid.packages); } } // Check if we are renaming from an original package name. PackageSetting origPackage = null; String realName = null; if (pkg.mOriginalPackages != null) { // This package may need to be renamed to a previously // installed name. Let's check on that... final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); if (pkg.mOriginalPackages.contains(renamed)) { // This package had originally been installed as the // original name, and we have already taken care of // transitioning to the new one. Just update the new // one to continue using the old name. realName = pkg.mRealPackage; if (!pkg.packageName.equals(renamed)) { // Callers into this function may have already taken // care of renaming the package; only do it here if // it is not already done. pkg.setPackageName(renamed); } } else { for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { if ((origPackage = mSettings.peekPackageLPr( pkg.mOriginalPackages.get(i))) != null) { // We do have the package already installed under its // original name... should we use it? if (!verifyPackageUpdateLPr(origPackage, pkg)) { // New package is not compatible with original. origPackage = null; continue; } else if (origPackage.sharedUser != null) { // Make sure uid is compatible between packages. if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { Slog.w(TAG, "Unable to migrate data from " + origPackage.name + " to " + pkg.packageName + ": old uid " + origPackage.sharedUser.name + " differs from " + pkg.mSharedUserId); origPackage = null; continue; } } else { if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " + pkg.packageName + " to old name " + origPackage.name); } break; } } } } if (mTransferedPackages.contains(pkg.packageName)) { Slog.w(TAG, "Package " + pkg.packageName + " was transferred to another, but its .apk remains"); } // Just create the setting, don't add it yet. For already existing packages // the PkgSetting exists already and doesn't have to be created. pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, destResourceFile, pkg.applicationInfo.nativeLibraryDir, pkg.applicationInfo.flags, 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 (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { Log.w(TAG, "Signature mismatch for shared user : " + pkgSetting.sharedUser); mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; return null; } } // File a report about this. String msg = "System package " + pkg.packageName + " signature changed; retaining data."; reportSettingsProblem(Log.WARN, msg); } // Verify that this new package doesn't have any content providers // that conflict with existing packages. Only do this if the // package isn't already installed, since we don't want to break // things that are installed. if ((scanMode&SCAN_NEW_INSTALL) != 0) { final int N = pkg.providers.size(); int i; for (i=0; i<N; i++) { PackageParser.Provider p = pkg.providers.get(i); if (p.info.authority != null) { String names[] = p.info.authority.split(";"); for (int j = 0; j < names.length; j++) { if (mProviders.containsKey(names[j])) { PackageParser.Provider other = mProviders.get(names[j]); Slog.w(TAG, "Can't install because provider name " + names[j] + " (in package " + pkg.applicationInfo.packageName + ") is already used by " + ((other != null && other.getComponentName() != null) ? other.getComponentName().getPackageName() : "?")); mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; return null; } } } } } if (pkg.mAdoptPermissions != null) { // This package wants to adopt ownership of permissions from // another package. for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { final String origName = pkg.mAdoptPermissions.get(i); final PackageSetting orig = mSettings.peekPackageLPr(origName); if (orig != null) { if (verifyPackageUpdateLPr(orig, pkg)) { Slog.i(TAG, "Adopting permissions from " + origName + " to " + pkg.packageName); mSettings.transferPermissionsLPw(origName, pkg.packageName); } } } } } final String pkgName = pkg.packageName; final long scanFileTime = scanFile.lastModified(); final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; pkg.applicationInfo.processName = fixProcessName( pkg.applicationInfo.packageName, pkg.applicationInfo.processName, pkg.applicationInfo.uid); File dataPath; if (mPlatformPackage == pkg) { // The system package is special. dataPath = new File (Environment.getDataDirectory(), "system"); pkg.applicationInfo.dataDir = dataPath.getPath(); } else { // This is a normal package, need to make its data directory. dataPath = getDataPathForPackage(pkg.packageName, 0); boolean uidError = false; if (dataPath.exists()) { mOutPermissions[1] = 0; FileUtils.getPermissions(dataPath.getPath(), mOutPermissions); // If we have mismatched owners for the data path, we have a problem. if (mOutPermissions[1] != pkg.applicationInfo.uid) { 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. int ret = mInstaller.remove(pkgName, 0); if (ret >= 0) { // TODO: Kill the processes first // Remove the data directories for all users mUserManager.removePackageForAllUsers(pkgName); // 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; } // Create data directories for all users mUserManager.installPackageForAllUsers(pkgName, pkg.applicationInfo.uid); } if (!recovered) { mHasSystemUidErrors = true; } } if (!recovered) { pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" + pkg.applicationInfo.uid + "/fs_" + mOutPermissions[1]; pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; String msg = "Package " + pkg.packageName + " has mismatched uid: " + mOutPermissions[1] + " on disk, " + pkg.applicationInfo.uid + " in settings"; // writer synchronized (mPackages) { mSettings.mReadMessages.append(msg); mSettings.mReadMessages.append('\n'); uidError = true; if (!pkgSetting.uidError) { reportSettingsProblem(Log.ERROR, msg); } } } } pkg.applicationInfo.dataDir = dataPath.getPath(); } else { if (DEBUG_PACKAGE_SCANNING) { if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) Log.v(TAG, "Want this data dir: " + dataPath); } //invoke installer to do the actual installation int ret = mInstaller.install(pkgName, pkg.applicationInfo.uid, pkg.applicationInfo.uid); if (ret < 0) { // Error from installer mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; return null; } // Create data directories for all users mUserManager.installPackageForAllUsers(pkgName, pkg.applicationInfo.uid); if (dataPath.exists()) { pkg.applicationInfo.dataDir = dataPath.getPath(); } else { Slog.w(TAG, "Unable to create data directory: " + dataPath); pkg.applicationInfo.dataDir = null; } } /* * Set the data dir to the default "/data/data/<package name>/lib" * if we got here without anyone telling us different (e.g., apps * stored on SD card have their native libraries stored in the ASEC * container with the APK). * * This happens during an upgrade from a package settings file that * doesn't have a native library path attribute at all. */ if (pkg.applicationInfo.nativeLibraryDir == null && pkg.applicationInfo.dataDir != null) { if (pkgSetting.nativeLibraryPathString == null) { final String nativeLibraryPath = new File(dataPath, LIB_DIR_NAME).getPath(); pkg.applicationInfo.nativeLibraryDir = nativeLibraryPath; pkgSetting.nativeLibraryPathString = nativeLibraryPath; } else { pkg.applicationInfo.nativeLibraryDir = pkgSetting.nativeLibraryPathString; } } pkgSetting.uidError = uidError; } String path = scanFile.getPath(); /* Note: We don't want to unpack the native binaries for * system applications, unless they have been updated * (the binaries are already under /system/lib). * Also, don't unpack libs for apps on the external card * since they should have their libraries in the ASEC * container already. * * In other words, we're going to unpack the binaries * only for non-system apps and system app upgrades. */ if (pkg.applicationInfo.nativeLibraryDir != null) { try { final File nativeLibraryDir = new File(pkg.applicationInfo.nativeLibraryDir); final String dataPathString = dataPath.getCanonicalPath(); if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { /* * Upgrading from a previous version of the OS sometimes * leaves native libraries in the /data/data/<app>/lib * directory for system apps even when they shouldn't be. * Recent changes in the JNI library search path * necessitates we remove those to match previous behavior. */ if (NativeLibraryHelper.removeNativeBinariesFromDirLI(nativeLibraryDir)) { Log.i(TAG, "removed obsolete native libraries for system package " + path); } } else if (nativeLibraryDir.getParentFile().getCanonicalPath() .equals(dataPathString)) { /* * Make sure the native library dir isn't a symlink to * something. If it is, ask installd to remove it and create * a directory so we can copy to it afterwards. */ boolean isSymLink; try { isSymLink = S_ISLNK(Libcore.os.lstat(nativeLibraryDir.getPath()).st_mode); } catch (ErrnoException e) { // This shouldn't happen, but we'll fail-safe. isSymLink = true; } if (isSymLink) { mInstaller.unlinkNativeLibraryDirectory(dataPathString); } /* * If this is an internal application or our * nativeLibraryPath points to our data directory, unpack * the libraries if necessary. */ NativeLibraryHelper.copyNativeBinariesIfNeededLI(scanFile, nativeLibraryDir); } else { Slog.i(TAG, "Linking native library dir for " + path); mInstaller.linkNativeLibraryDirectory(dataPathString, pkg.applicationInfo.nativeLibraryDir); } } catch (IOException ioe) { Log.e(TAG, "Unable to get canonical file " + ioe.toString()); } } pkg.mScanPath = path; if ((scanMode&SCAN_NO_DEX) == 0) { if (performDexOptLI(pkg, forceDex, (scanMode&SCAN_DEFER_DEX) != 0) == DEX_OPT_FAILED) { mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; return null; } } if (mFactoryTest && pkg.requestedPermissions.contains( android.Manifest.permission.FACTORY_TEST)) { pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; } // Request the ActivityManager to kill the process(only for existing packages) // so that we do not end up in a confused state while the user is still using the older // version of the application while the new one gets installed. if ((parseFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { killApplication(pkg.applicationInfo.packageName, pkg.applicationInfo.uid); } // writer synchronized (mPackages) { // We don't expect installation to fail beyond this point, if ((scanMode&SCAN_MONITOR) != 0) { mAppDirs.put(pkg.mPath, pkg); } // Add the new setting to mSettings mSettings.insertPackageSettingLPw(pkgSetting, pkg); // Add the new setting to mPackages mPackages.put(pkg.applicationInfo.packageName, pkg); // Make sure we don't accidentally delete its data. mSettings.mPackagesToBeCleaned.remove(pkgName); // Take care of first install / last update times. if (currentTime != 0) { if (pkgSetting.firstInstallTime == 0) { pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; } else if ((scanMode&SCAN_UPDATE_TIME) != 0) { pkgSetting.lastUpdateTime = currentTime; } } else if (pkgSetting.firstInstallTime == 0) { // We need *something*. Take time time stamp of the file. pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { if (scanFileTime != pkgSetting.timeStamp) { // A package on the system image has changed; consider this // to be an update. pkgSetting.lastUpdateTime = scanFileTime; } } int N = pkg.providers.size(); StringBuilder r = null; int i; for (i=0; i<N; i++) { PackageParser.Provider p = pkg.providers.get(i); p.info.processName = fixProcessName(pkg.applicationInfo.processName, p.info.processName, pkg.applicationInfo.uid); mProvidersByComponent.put(new ComponentName(p.info.packageName, p.info.name), p); p.syncable = p.info.isSyncable; if (p.info.authority != null) { String names[] = p.info.authority.split(";"); p.info.authority = null; for (int j = 0; j < names.length; j++) { if (j == 1 && p.syncable) { // We only want the first authority for a provider to possibly be // syncable, so if we already added this provider using a different // authority clear the syncable flag. We copy the provider before // changing it because the mProviders object contains a reference // to a provider that we don't want to change. // Only do this for the second authority since the resulting provider // object can be the same for all future authorities for this provider. p = new PackageParser.Provider(p); p.syncable = false; } if (!mProviders.containsKey(names[j])) { mProviders.put(names[j], p); if (p.info.authority == null) { p.info.authority = names[j]; } else { p.info.authority = p.info.authority + ";" + names[j]; } if (DEBUG_PACKAGE_SCANNING) { if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) Log.d(TAG, "Registered content provider: " + names[j] + ", className = " + p.info.name + ", isSyncable = " + p.info.isSyncable); } } else { PackageParser.Provider other = mProviders.get(names[j]); Slog.w(TAG, "Skipping provider name " + names[j] + " (in package " + pkg.applicationInfo.packageName + "): name already used by " + ((other != null && other.getComponentName() != null) ? other.getComponentName().getPackageName() : "?")); } } } if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append(p.info.name); } } if (r != null) { if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); } N = pkg.services.size(); r = null; for (i=0; i<N; i++) { PackageParser.Service s = pkg.services.get(i); s.info.processName = fixProcessName(pkg.applicationInfo.processName, s.info.processName, pkg.applicationInfo.uid); mServices.addService(s); if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append(s.info.name); } } if (r != null) { if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); } N = pkg.receivers.size(); r = null; for (i=0; i<N; i++) { PackageParser.Activity a = pkg.receivers.get(i); a.info.processName = fixProcessName(pkg.applicationInfo.processName, a.info.processName, pkg.applicationInfo.uid); mReceivers.addActivity(a, "receiver"); if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append(a.info.name); } } if (r != null) { if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); } N = pkg.activities.size(); r = null; for (i=0; i<N; i++) { PackageParser.Activity a = pkg.activities.get(i); a.info.processName = fixProcessName(pkg.applicationInfo.processName, a.info.processName, pkg.applicationInfo.uid); mActivities.addActivity(a, "activity"); if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append(a.info.name); } } if (r != null) { if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); } N = pkg.permissionGroups.size(); r = null; for (i=0; i<N; i++) { PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); if (cur == null) { mPermissionGroups.put(pg.info.name, pg); if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append(pg.info.name); } } else { Slog.w(TAG, "Permission group " + pg.info.name + " from package " + pg.info.packageName + " ignored: original from " + cur.info.packageName); if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append("DUP:"); r.append(pg.info.name); } } } if (r != null) { if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); } N = pkg.permissions.size(); r = null; for (i=0; i<N; i++) { PackageParser.Permission p = pkg.permissions.get(i); HashMap<String, BasePermission> permissionMap = p.tree ? mSettings.mPermissionTrees : mSettings.mPermissions; p.group = mPermissionGroups.get(p.info.group); if (p.info.group == null || p.group != null) { BasePermission bp = permissionMap.get(p.info.name); if (bp == null) { bp = new BasePermission(p.info.name, p.info.packageName, BasePermission.TYPE_NORMAL); permissionMap.put(p.info.name, bp); } if (bp.perm == null) { if (bp.sourcePackage == null || bp.sourcePackage.equals(p.info.packageName)) { BasePermission tree = findPermissionTreeLP(p.info.name); if (tree == null || tree.sourcePackage.equals(p.info.packageName)) { bp.packageSetting = pkgSetting; bp.perm = p; bp.uid = pkg.applicationInfo.uid; if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append(p.info.name); } } else { Slog.w(TAG, "Permission " + p.info.name + " from package " + p.info.packageName + " ignored: base tree " + tree.name + " is from package " + tree.sourcePackage); } } else { Slog.w(TAG, "Permission " + p.info.name + " from package " + p.info.packageName + " ignored: original from " + bp.sourcePackage); } } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append("DUP:"); r.append(p.info.name); } if (bp.perm == p) { bp.protectionLevel = p.info.protectionLevel; } } else { Slog.w(TAG, "Permission " + p.info.name + " from package " + p.info.packageName + " ignored: no group " + p.group); } } if (r != null) { if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); } N = pkg.instrumentation.size(); r = null; for (i=0; i<N; i++) { PackageParser.Instrumentation a = pkg.instrumentation.get(i); a.info.packageName = pkg.applicationInfo.packageName; a.info.sourceDir = pkg.applicationInfo.sourceDir; a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; a.info.dataDir = pkg.applicationInfo.dataDir; a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; mInstrumentation.put(a.getComponentName(), a); if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append(a.info.name); } } if (r != null) { if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); } if (pkg.protectedBroadcasts != null) { N = pkg.protectedBroadcasts.size(); for (i=0; i<N; i++) { mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); } } pkgSetting.setTimeStamp(scanFileTime); } return pkg; } private void killApplication(String pkgName, int uid) { // Request the ActivityManager to kill the process(only for existing packages) // so that we do not end up in a confused state while the user is still using the older // version of the application while the new one gets installed. IActivityManager am = ActivityManagerNative.getDefault(); if (am != null) { try { am.killApplicationWithUid(pkgName, uid); } catch (RemoteException e) { } } } void removePackageLI(PackageParser.Package pkg, boolean chatty) { if (DEBUG_INSTALL) { if (chatty) Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); } // writer synchronized (mPackages) { clearPackagePreferredActivitiesLPw(pkg.packageName); mPackages.remove(pkg.applicationInfo.packageName); if (pkg.mPath != null) { mAppDirs.remove(pkg.mPath); } int N = pkg.providers.size(); StringBuilder r = null; int i; for (i=0; i<N; i++) { PackageParser.Provider p = pkg.providers.get(i); mProvidersByComponent.remove(new ComponentName(p.info.packageName, p.info.name)); if (p.info.authority == null) { /* The is another ContentProvider with this authority when * this app was installed so this authority is null, * Ignore it as we don't have to unregister the provider. */ continue; } String names[] = p.info.authority.split(";"); for (int j = 0; j < names.length; j++) { if (mProviders.get(names[j]) == p) { mProviders.remove(names[j]); if (DEBUG_REMOVE) { if (chatty) Log.d(TAG, "Unregistered content provider: " + names[j] + ", className = " + p.info.name + ", isSyncable = " + p.info.isSyncable); } } } if (chatty) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append(p.info.name); } } if (r != null) { if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); } N = pkg.services.size(); r = null; for (i=0; i<N; i++) { PackageParser.Service s = pkg.services.get(i); mServices.removeService(s); if (chatty) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append(s.info.name); } } if (r != null) { if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); } N = pkg.receivers.size(); r = null; for (i=0; i<N; i++) { PackageParser.Activity a = pkg.receivers.get(i); mReceivers.removeActivity(a, "receiver"); if (chatty) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append(a.info.name); } } if (r != null) { if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); } N = pkg.activities.size(); r = null; for (i=0; i<N; i++) { PackageParser.Activity a = pkg.activities.get(i); mActivities.removeActivity(a, "activity"); if (chatty) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append(a.info.name); } } if (r != null) { if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); } N = pkg.permissions.size(); r = null; for (i=0; i<N; i++) { PackageParser.Permission p = pkg.permissions.get(i); BasePermission bp = mSettings.mPermissions.get(p.info.name); if (bp == null) { bp = mSettings.mPermissionTrees.get(p.info.name); } if (bp != null && bp.perm == p) { bp.perm = null; if (chatty) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append(p.info.name); } } } if (r != null) { if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); } N = pkg.instrumentation.size(); r = null; for (i=0; i<N; i++) { PackageParser.Instrumentation a = pkg.instrumentation.get(i); mInstrumentation.remove(a.getComponentName()); if (chatty) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append(a.info.name); } } if (r != null) { if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); } } } private static final boolean isPackageFilename(String name) { return name != null && name.endsWith(".apk"); } private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { if (pkgInfo.permissions.get(i).info.name.equals(perm)) { return true; } } return false; } private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, boolean grantPermissions, boolean replace, boolean replaceAll) { // Make sure there are no dangling permission trees. Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); while (it.hasNext()) { final BasePermission bp = it.next(); if (bp.packageSetting == null) { // We may not yet have parsed the package, so just see if // we still know about its settings. bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); } if (bp.packageSetting == null) { Slog.w(TAG, "Removing dangling permission tree: " + bp.name + " from package " + bp.sourcePackage); it.remove(); } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { Slog.i(TAG, "Removing old permission tree: " + bp.name + " from package " + bp.sourcePackage); 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()) { final BasePermission bp = it.next(); if (bp.type == BasePermission.TYPE_DYNAMIC) { if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" + bp.name + " pkg=" + bp.sourcePackage + " info=" + bp.pendingInfo); if (bp.packageSetting == null && bp.pendingInfo != null) { final BasePermission tree = findPermissionTreeLP(bp.name); if (tree != null && tree.perm != null) { bp.packageSetting = tree.packageSetting; bp.perm = new PackageParser.Permission(tree.perm.owner, new PermissionInfo(bp.pendingInfo)); bp.perm.info.packageName = tree.perm.info.packageName; bp.perm.info.name = bp.name; bp.uid = tree.uid; } } } if (bp.packageSetting == null) { // We may not yet have parsed the package, so just see if // we still know about its settings. bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); } if (bp.packageSetting == null) { Slog.w(TAG, "Removing dangling permission: " + bp.name + " from package " + bp.sourcePackage); it.remove(); } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { Slog.i(TAG, "Removing old permission: " + bp.name + " from package " + bp.sourcePackage); 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) { grantPermissionsLPw(pkg, replaceAll); } } } if (pkgInfo != null) { grantPermissionsLPw(pkgInfo, replace); } } private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace) { final PackageSetting ps = (PackageSetting) pkg.mExtras; if (ps == null) { return; } final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; boolean changedPermission = false; if (replace) { ps.permissionsFixed = false; if (gp == ps) { gp.grantedPermissions.clear(); gp.gids = mGlobalGids; } } if (gp.gids == null) { gp.gids = mGlobalGids; } final int N = pkg.requestedPermissions.size(); for (int i=0; i<N; i++) { final String name = pkg.requestedPermissions.get(i); final BasePermission bp = mSettings.mPermissions.get(name); if (DEBUG_INSTALL) { if (gp != ps) { Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); } } if (bp != null && bp.packageSetting != null) { final String perm = bp.name; boolean allowed; boolean allowedSig = false; if (bp.protectionLevel == PermissionInfo.PROTECTION_NORMAL || bp.protectionLevel == PermissionInfo.PROTECTION_DANGEROUS) { allowed = true; } else if (bp.packageSetting == null) { // This permission is invalid; skip it. allowed = false; } else if (bp.protectionLevel == PermissionInfo.PROTECTION_SIGNATURE || bp.protectionLevel == PermissionInfo.PROTECTION_SIGNATURE_OR_SYSTEM) { allowed = (compareSignatures( bp.packageSetting.signatures.mSignatures, pkg.mSignatures) == PackageManager.SIGNATURE_MATCH) || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) == PackageManager.SIGNATURE_MATCH); if (!allowed && bp.protectionLevel == PermissionInfo.PROTECTION_SIGNATURE_OR_SYSTEM) { if (isSystemApp(pkg)) { // For updated system applications, the signatureOrSystem permission // is granted only if it had been defined by the original application. if (isUpdatedSystemApp(pkg)) { final PackageSetting sysPs = mSettings .getDisabledSystemPkgLPr(pkg.packageName); final GrantedPermissions origGp = sysPs.sharedUser != null ? sysPs.sharedUser : sysPs; if (origGp.grantedPermissions.contains(perm)) { allowed = true; } else { allowed = false; } } else { allowed = true; } } } if (allowed) { allowedSig = true; } } else { allowed = false; } if (DEBUG_INSTALL) { if (gp != ps) { Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); } } if (allowed) { if ((ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 && ps.permissionsFixed) { // If this is an existing, non-system package, then // we can't add any new permissions to it. if (!allowedSig && !gp.grantedPermissions.contains(perm)) { allowed = false; // Except... if this is a permission that was added // to the platform (note: need to only do this when // updating the platform). final int NP = PackageParser.NEW_PERMISSIONS.length; for (int ip=0; ip<NP; ip++) { final PackageParser.NewPermissionInfo npi = PackageParser.NEW_PERMISSIONS[ip]; if (npi.name.equals(perm) && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { allowed = true; Log.i(TAG, "Auto-granting " + perm + " to old pkg " + pkg.packageName); break; } } } } if (allowed) { if (!gp.grantedPermissions.contains(perm)) { changedPermission = true; gp.grantedPermissions.add(perm); gp.gids = appendInts(gp.gids, bp.gids); } else if (!ps.haveGids) { gp.gids = appendInts(gp.gids, bp.gids); } } else { Slog.w(TAG, "Not granting permission " + perm + " to package " + pkg.packageName + " because it was previously installed without"); } } else { if (gp.grantedPermissions.remove(perm)) { changedPermission = true; gp.gids = removeInts(gp.gids, bp.gids); Slog.i(TAG, "Un-granting permission " + perm + " from package " + pkg.packageName + " (protectionLevel=" + bp.protectionLevel + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) + ")"); } else { Slog.w(TAG, "Not granting permission " + perm + " to package " + pkg.packageName + " (protectionLevel=" + bp.protectionLevel + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) + ")"); } } } else { Slog.w(TAG, "Unknown permission " + name + " in package " + pkg.packageName); } } if ((changedPermission || replace) && !ps.permissionsFixed && ((ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) || ((ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0)){ // This is the first that we have heard about this package, so the // permissions we have now selected are fixed until explicitly // changed. ps.permissionsFixed = true; } ps.haveGids = true; } private final class ActivityIntentResolver extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, boolean defaultOnly) { mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; return super.queryIntent(intent, resolvedType, defaultOnly); } public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags) { mFlags = flags; return super.queryIntent(intent, resolvedType, (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0); } public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, int flags, ArrayList<PackageParser.Activity> packageActivities) { if (packageActivities == null) { return null; } mFlags = flags; final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; final int N = packageActivities.size(); ArrayList<ArrayList<PackageParser.ActivityIntentInfo>> listCut = new ArrayList<ArrayList<PackageParser.ActivityIntentInfo>>(N); ArrayList<PackageParser.ActivityIntentInfo> intentFilters; for (int i = 0; i < N; ++i) { intentFilters = packageActivities.get(i).intents; if (intentFilters != null && intentFilters.size() > 0) { listCut.add(intentFilters); } } return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut); } public final void addActivity(PackageParser.Activity a, String type) { final boolean systemApp = isSystemApp(a.info.applicationInfo); mActivities.put(a.getComponentName(), a); if (DEBUG_SHOW_INFO) Log.v( TAG, " " + type + " " + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); if (DEBUG_SHOW_INFO) Log.v(TAG, " Class=" + a.info.name); final int NI = a.intents.size(); for (int j=0; j<NI; j++) { PackageParser.ActivityIntentInfo intent = a.intents.get(j); if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { intent.setPriority(0); Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " + a.className + " with priority > 0, forcing to 0"); } if (DEBUG_SHOW_INFO) { Log.v(TAG, " IntentFilter:"); intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); } if (!intent.debugCheck()) { Log.w(TAG, "==> For Activity " + a.info.name); } addFilter(intent); } } public final void removeActivity(PackageParser.Activity a, String type) { mActivities.remove(a.getComponentName()); if (DEBUG_SHOW_INFO) { Log.v(TAG, " " + type + " " + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); Log.v(TAG, " Class=" + a.info.name); } final int NI = a.intents.size(); for (int j=0; j<NI; j++) { PackageParser.ActivityIntentInfo intent = a.intents.get(j); if (DEBUG_SHOW_INFO) { Log.v(TAG, " IntentFilter:"); intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); } removeFilter(intent); } } @Override protected boolean allowFilterResult( PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { ActivityInfo filterAi = filter.activity.info; for (int i=dest.size()-1; i>=0; i--) { ActivityInfo destAi = dest.get(i).activityInfo; if (destAi.name == filterAi.name && destAi.packageName == filterAi.packageName) { return false; } } return true; } @Override protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter) { PackageParser.Package p = filter.activity.owner; if (p != null) { PackageSetting ps = (PackageSetting)p.mExtras; if (ps != null) { // System apps are never considered stopped for purposes of // filtering, because there may be no way for the user to // actually re-launch them. return ps.stopped && (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0; } } return false; } @Override protected String packageForFilter(PackageParser.ActivityIntentInfo info) { return info.activity.owner.packageName; } @Override protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, int match) { if (!mSettings.isEnabledLPr(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; res.system = isSystemApp(res.activityInfo.applicationInfo); return res; } @Override protected void sortResults(List<ResolveInfo> results) { Collections.sort(results, mResolvePrioritySorter); } @Override protected void dumpFilter(PrintWriter out, String prefix, PackageParser.ActivityIntentInfo filter) { out.print(prefix); out.print( Integer.toHexString(System.identityHashCode(filter.activity))); out.print(' '); out.print(filter.activity.getComponentShortName()); out.print(" filter "); out.println(Integer.toHexString(System.identityHashCode(filter))); } // List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { // final Iterator<ResolveInfo> i = resolveInfoList.iterator(); // final List<ResolveInfo> retList = Lists.newArrayList(); // while (i.hasNext()) { // final ResolveInfo resolveInfo = i.next(); // if (isEnabledLP(resolveInfo.activityInfo)) { // retList.add(resolveInfo); // } // } // return retList; // } // Keys are String (activity class name), values are Activity. private final HashMap<ComponentName, PackageParser.Activity> mActivities = new HashMap<ComponentName, PackageParser.Activity>(); private int mFlags; } private final class ServiceIntentResolver extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, boolean defaultOnly) { mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; return super.queryIntent(intent, resolvedType, defaultOnly); } public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags) { mFlags = flags; return super.queryIntent(intent, resolvedType, (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0); } public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, int flags, ArrayList<PackageParser.Service> packageServices) { if (packageServices == null) { return null; } mFlags = flags; final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; final int N = packageServices.size(); ArrayList<ArrayList<PackageParser.ServiceIntentInfo>> listCut = new ArrayList<ArrayList<PackageParser.ServiceIntentInfo>>(N); ArrayList<PackageParser.ServiceIntentInfo> intentFilters; for (int i = 0; i < N; ++i) { intentFilters = packageServices.get(i).intents; if (intentFilters != null && intentFilters.size() > 0) { listCut.add(intentFilters); } } return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut); } public final void addService(PackageParser.Service s) { mServices.put(s.getComponentName(), s); if (DEBUG_SHOW_INFO) { Log.v(TAG, " " + (s.info.nonLocalizedLabel != null ? s.info.nonLocalizedLabel : s.info.name) + ":"); Log.v(TAG, " Class=" + s.info.name); } final int NI = s.intents.size(); int j; for (j=0; j<NI; j++) { PackageParser.ServiceIntentInfo intent = s.intents.get(j); if (DEBUG_SHOW_INFO) { Log.v(TAG, " IntentFilter:"); intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); } if (!intent.debugCheck()) { Log.w(TAG, "==> For Service " + s.info.name); } addFilter(intent); } } public final void removeService(PackageParser.Service s) { mServices.remove(s.getComponentName()); if (DEBUG_SHOW_INFO) { Log.v(TAG, " " + (s.info.nonLocalizedLabel != null ? s.info.nonLocalizedLabel : s.info.name) + ":"); Log.v(TAG, " Class=" + s.info.name); } final int NI = s.intents.size(); int j; for (j=0; j<NI; j++) { PackageParser.ServiceIntentInfo intent = s.intents.get(j); if (DEBUG_SHOW_INFO) { Log.v(TAG, " IntentFilter:"); intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); } removeFilter(intent); } } @Override protected boolean allowFilterResult( PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { ServiceInfo filterSi = filter.service.info; for (int i=dest.size()-1; i>=0; i--) { ServiceInfo destAi = dest.get(i).serviceInfo; if (destAi.name == filterSi.name && destAi.packageName == filterSi.packageName) { return false; } } return true; } @Override protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter) { PackageParser.Package p = filter.service.owner; if (p != null) { PackageSetting ps = (PackageSetting)p.mExtras; if (ps != null) { // System apps are never considered stopped for purposes of // filtering, because there may be no way for the user to // actually re-launch them. return ps.stopped && (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0; } } return false; } @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.isEnabledLPr(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; res.system = isSystemApp(res.serviceInfo.applicationInfo); return res; } @Override protected void sortResults(List<ResolveInfo> results) { Collections.sort(results, mResolvePrioritySorter); } @Override protected void dumpFilter(PrintWriter out, String prefix, PackageParser.ServiceIntentInfo filter) { out.print(prefix); out.print( Integer.toHexString(System.identityHashCode(filter.service))); out.print(' '); out.print(filter.service.getComponentShortName()); out.print(" filter "); out.println(Integer.toHexString(System.identityHashCode(filter))); } // List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { // final Iterator<ResolveInfo> i = resolveInfoList.iterator(); // final List<ResolveInfo> retList = Lists.newArrayList(); // while (i.hasNext()) { // final ResolveInfo resolveInfo = (ResolveInfo) i; // if (isEnabledLP(resolveInfo.serviceInfo)) { // retList.add(resolveInfo); // } // } // return retList; // } // Keys are String (activity class name), values are Activity. private final HashMap<ComponentName, PackageParser.Service> mServices = new HashMap<ComponentName, PackageParser.Service>(); private int mFlags; }; private static final Comparator<ResolveInfo> mResolvePrioritySorter = new Comparator<ResolveInfo>() { public int compare(ResolveInfo r1, ResolveInfo r2) { int v1 = r1.priority; int v2 = r2.priority; //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); if (v1 != v2) { return (v1 > v2) ? -1 : 1; } v1 = r1.preferredOrder; v2 = r2.preferredOrder; if (v1 != v2) { return (v1 > v2) ? -1 : 1; } if (r1.isDefault != r2.isDefault) { return r1.isDefault ? -1 : 1; } v1 = r1.match; v2 = r2.match; //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); if (v1 != v2) { return (v1 > v2) ? -1 : 1; } if (r1.system != r2.system) { return r1.system ? -1 : 1; } return 0; } }; private static final Comparator<ProviderInfo> mProviderInitOrderSorter = new Comparator<ProviderInfo>() { public int compare(ProviderInfo p1, ProviderInfo p2) { final int v1 = p1.initOrder; final int v2 = p2.initOrder; return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); } }; static final void sendPackageBroadcast(String action, String pkg, Bundle extras, String targetPkg, IIntentReceiver finishedReceiver) { 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); } if (targetPkg != null) { intent.setPackage(targetPkg); } 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) { } } } /** * Check if the external storage media is available. This is true if there * is a mounted external storage medium or if the external storage is * emulated. */ private boolean isExternalMediaAvailable() { return mMediaMounted || Environment.isExternalStorageEmulated(); } public String nextPackageToClean(String lastPackage) { // writer synchronized (mPackages) { if (!isExternalMediaAvailable()) { // If the external storage is no longer mounted at this point, // the caller may not have been able to delete all of this // packages files and can not delete any more. Bail. return null; } 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() { // reader synchronized (mPackages) { if (!isExternalMediaAvailable()) { 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; // TODO post a message to the handler to obtain serial ordering synchronized (mInstallLock) { String fullPathStr = null; File fullPath = null; if (path != null) { fullPath = new File(mRootDir, path); fullPathStr = fullPath.getPath(); } if (DEBUG_APP_DIR_OBSERVER) Log.v(TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); if (!isPackageFilename(path)) { if (DEBUG_APP_DIR_OBSERVER) Log.v(TAG, "Ignoring change of non-package file: " + fullPathStr); return; } // Ignore packages that are being installed or // have just been installed. if (ignoreCodePath(fullPathStr)) { return; } PackageParser.Package p = null; // reader synchronized (mPackages) { p = mAppDirs.get(fullPathStr); } if ((event&REMOVE_EVENTS) != 0) { if (p != null) { removePackageLI(p, true); removedPackage = p.applicationInfo.packageName; removedUid = p.applicationInfo.uid; } } if ((event&ADD_EVENTS) != 0) { if (p == null) { p = scanPackageLI(fullPath, (mIsRom ? PackageParser.PARSE_IS_SYSTEM | PackageParser.PARSE_IS_SYSTEM_DIR: 0) | PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK, SCAN_MONITOR | SCAN_NO_PATHS | SCAN_UPDATE_TIME, System.currentTimeMillis()); if (p != null) { /* * TODO this seems dangerous as the package may have * changed since we last acquired the mPackages * lock. */ // writer synchronized (mPackages) { updatePermissionsLPw(p.packageName, p, p.permissions.size() > 0, false, false); } addedPackage = p.applicationInfo.packageName; addedUid = p.applicationInfo.uid; } } } // reader synchronized (mPackages) { mSettings.writeLPr(); } } 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, null); } if (addedPackage != null) { Bundle extras = new Bundle(1); extras.putInt(Intent.EXTRA_UID, addedUid); sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, extras, null, 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) { installPackageWithVerification(packageURI, observer, flags, installerPackageName, null, null); } @Override public void installPackageWithVerification(Uri packageURI, IPackageInstallObserver observer, int flags, String installerPackageName, Uri verificationURI, ManifestDigest manifestDigest) { mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); final int uid = Binder.getCallingUid(); final int filteredFlags; if (uid == Process.SHELL_UID || uid == 0) { if (DEBUG_INSTALL) { Slog.v(TAG, "Install from ADB"); } filteredFlags = flags | PackageManager.INSTALL_FROM_ADB; } else { filteredFlags = flags & ~PackageManager.INSTALL_FROM_ADB; } final Message msg = mHandler.obtainMessage(INIT_COPY); msg.obj = new InstallParams(packageURI, observer, filteredFlags, installerPackageName, verificationURI, manifestDigest); mHandler.sendMessage(msg); } @Override public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); final PackageVerificationResponse response = new PackageVerificationResponse( verificationCode, Binder.getCallingUid()); msg.arg1 = id; msg.obj = response; mHandler.sendMessage(msg); } private ComponentName matchComponentForVerifier(String packageName, List<ResolveInfo> receivers) { ActivityInfo targetReceiver = null; final int NR = receivers.size(); for (int i = 0; i < NR; i++) { final ResolveInfo info = receivers.get(i); if (info.activityInfo == null) { continue; } if (packageName.equals(info.activityInfo.packageName)) { targetReceiver = info.activityInfo; break; } } if (targetReceiver == null) { return null; } return new ComponentName(targetReceiver.packageName, targetReceiver.name); } private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, List<ResolveInfo> receivers, final PackageVerificationState verificationState) { if (pkgInfo.verifiers.length == 0) { return null; } final int N = pkgInfo.verifiers.length; final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); for (int i = 0; i < N; i++) { final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, receivers); if (comp == null) { continue; } final int verifierUid = getUidForVerifier(verifierInfo); if (verifierUid == -1) { continue; } if (DEBUG_VERIFY) { Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName + " with the correct signature"); } sufficientVerifiers.add(comp); verificationState.addSufficientVerifier(verifierUid); } return sufficientVerifiers; } private int getUidForVerifier(VerifierInfo verifierInfo) { synchronized (mPackages) { final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); if (pkg == null) { return -1; } else if (pkg.mSignatures.length != 1) { Slog.i(TAG, "Verifier package " + verifierInfo.packageName + " has more than one signature; ignoring"); return -1; } /* * If the public key of the package's signature does not match * our expected public key, then this is a different package and * we should skip. */ final byte[] expectedPublicKey; try { final Signature verifierSig = pkg.mSignatures[0]; final PublicKey publicKey = verifierSig.getPublicKey(); expectedPublicKey = publicKey.getEncoded(); } catch (CertificateException e) { return -1; } final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { Slog.i(TAG, "Verifier package " + verifierInfo.packageName + " does not have the expected public key; ignoring"); return -1; } return pkg.applicationInfo.uid; } } public void finishPackageInstall(int token) { enforceSystemOrRoot("Only the system is allowed to finish installs"); if (DEBUG_INSTALL) { Slog.v(TAG, "BM finishing package install for " + token); } final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); mHandler.sendMessage(msg); } /** * Get the verification agent timeout. * * @return verification timeout in milliseconds */ private long getVerificationTimeout() { return android.provider.Settings.Secure.getLong(mContext.getContentResolver(), android.provider.Settings.Secure.PACKAGE_VERIFIER_TIMEOUT, DEFAULT_VERIFICATION_TIMEOUT); } /** * Check whether or not package verification has been enabled. * * @return true if verification should be performed */ private boolean isVerificationEnabled() { return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), android.provider.Settings.Secure.PACKAGE_VERIFIER_ENABLE, DEFAULT_VERIFY_ENABLE ? 1 : 0) == 1 ? true : false; } public void setInstallerPackageName(String targetPackage, String installerPackageName) { final int uid = Binder.getCallingUid(); // writer synchronized (mPackages) { PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); if (targetPackageSetting == null) { throw new IllegalArgumentException("Unknown target package: " + targetPackage); } PackageSetting installerPackageSetting; if (installerPackageName != null) { installerPackageSetting = mSettings.mPackages.get(installerPackageName); if (installerPackageSetting == null) { throw new IllegalArgumentException("Unknown installer package: " + installerPackageName); } } else { installerPackageSetting = null; } Signature[] callerSignature; Object obj = mSettings.getUserIdLPr(uid); if (obj != null) { if (obj instanceof SharedUserSetting) { callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; } else if (obj instanceof PackageSetting) { callerSignature = ((PackageSetting)obj).signatures.mSignatures; } else { throw new SecurityException("Bad object " + obj + " for uid " + uid); } } else { throw new SecurityException("Unknown calling uid " + uid); } // Verify: can't set installerPackageName to a package that is // not signed with the same cert as the caller. if (installerPackageSetting != null) { if (compareSignatures(callerSignature, installerPackageSetting.signatures.mSignatures) != PackageManager.SIGNATURE_MATCH) { throw new SecurityException( "Caller does not have same cert as new installer package " + installerPackageName); } } // Verify: if target already has an installer package, it must // be signed with the same cert as the caller. if (targetPackageSetting.installerPackageName != null) { PackageSetting setting = mSettings.mPackages.get( targetPackageSetting.installerPackageName); // If the currently set package isn't valid, then it's always // okay to change it. if (setting != null) { if (compareSignatures(callerSignature, setting.signatures.mSignatures) != PackageManager.SIGNATURE_MATCH) { throw new SecurityException( "Caller does not have same cert as old installer package " + targetPackageSetting.installerPackageName); } } } // Okay! targetPackageSetting.installerPackageName = installerPackageName; scheduleWriteSettingsLocked(); } } private void processPendingInstall(final InstallArgs args, final int currentStatus) { // Queue up an async operation since the package installation may take a little while. mHandler.post(new Runnable() { public void run() { mHandler.removeCallbacks(this); // Result object to be returned PackageInstalledInfo res = new PackageInstalledInfo(); res.returnCode = currentStatus; res.uid = -1; res.pkg = null; res.removedInfo = new PackageRemovedInfo(); if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { args.doPreInstall(res.returnCode); synchronized (mInstallLock) { installPackageLI(args, true, res); } args.doPostInstall(res.returnCode); } // A restore should be performed at this point if (a) the install // succeeded, (b) the operation is not an update, and (c) the new // package has a backupAgent defined. final boolean update = res.removedInfo.removedPackage != null; boolean doRestore = (!update && res.pkg != null && res.pkg.applicationInfo.backupAgentName != null); // Set up the post-install work request bookkeeping. This will be used // and cleaned up by the post-install event handling regardless of whether // there's a restore pass performed. Token values are >= 1. int token; if (mNextInstallToken < 0) mNextInstallToken = 1; token = mNextInstallToken++; PostInstallData data = new PostInstallData(args, res); mRunningInstalls.put(token, data); if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { // Pass responsibility to the Backup Manager. It will perform a // restore if appropriate, then pass responsibility back to the // Package Manager to run the post-install observer callbacks // and broadcasts. IBackupManager bm = IBackupManager.Stub.asInterface( ServiceManager.getService(Context.BACKUP_SERVICE)); if (bm != null) { if (DEBUG_INSTALL) Log.v(TAG, "token " + token + " to BM for possible restore"); try { bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); } catch (RemoteException e) { // can't happen; the backup manager is local } catch (Exception e) { Slog.e(TAG, "Exception trying to enqueue restore", e); doRestore = false; } } else { Slog.e(TAG, "Backup Manager not found!"); doRestore = false; } } if (!doRestore) { // No restore possible, or the Backup Manager was mysteriously not // available -- just fire the post-install work request directly. if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); mHandler.sendMessage(msg); } } }); } private abstract class HandlerParams { private static final int MAX_RETRIES = 4; /** * Number of times startCopy() has been attempted and had a non-fatal * error. */ private int mRetries = 0; final boolean startCopy() { boolean res; try { if (DEBUG_INSTALL) Slog.i(TAG, "startCopy"); if (++mRetries > MAX_RETRIES) { Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); mHandler.sendEmptyMessage(MCS_GIVE_UP); handleServiceError(); return false; } else { handleStartCopy(); res = true; } } catch (RemoteException e) { if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); mHandler.sendEmptyMessage(MCS_RECONNECT); res = false; } handleReturnCode(); return res; } final void serviceError() { if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); handleServiceError(); handleReturnCode(); } abstract void handleStartCopy() throws RemoteException; abstract void handleServiceError(); abstract void handleReturnCode(); } class MeasureParams extends HandlerParams { private final PackageStats mStats; private boolean mSuccess; private final IPackageStatsObserver mObserver; public MeasureParams(PackageStats stats, boolean success, IPackageStatsObserver observer) { mObserver = observer; mStats = stats; mSuccess = success; } @Override void handleStartCopy() throws RemoteException { final boolean mounted; if (Environment.isExternalStorageEmulated()) { mounted = true; } else { final String status = Environment.getExternalStorageState(); mounted = status.equals(Environment.MEDIA_MOUNTED) || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); } if (mounted) { final File externalCacheDir = Environment .getExternalStorageAppCacheDirectory(mStats.packageName); final long externalCacheSize = mContainerService .calculateDirectorySize(externalCacheDir.getPath()); mStats.externalCacheSize = externalCacheSize; final File externalDataDir = Environment .getExternalStorageAppDataDirectory(mStats.packageName); long externalDataSize = mContainerService.calculateDirectorySize(externalDataDir .getPath()); if (externalCacheDir.getParentFile().equals(externalDataDir)) { externalDataSize -= externalCacheSize; } mStats.externalDataSize = externalDataSize; final File externalMediaDir = Environment .getExternalStorageAppMediaDirectory(mStats.packageName); mStats.externalMediaSize = mContainerService .calculateDirectorySize(externalMediaDir.getPath()); final File externalObbDir = Environment .getExternalStorageAppObbDirectory(mStats.packageName); mStats.externalObbSize = mContainerService.calculateDirectorySize(externalObbDir .getPath()); } } @Override void handleReturnCode() { if (mObserver != null) { try { mObserver.onGetStatsCompleted(mStats, mSuccess); } catch (RemoteException e) { Slog.i(TAG, "Observer no longer exists."); } } } @Override void handleServiceError() { Slog.e(TAG, "Could not measure application " + mStats.packageName + " external storage"); } } class InstallParams extends HandlerParams { final IPackageInstallObserver observer; int flags; final Uri packageURI; final String installerPackageName; final Uri verificationURI; final ManifestDigest manifestDigest; private InstallArgs mArgs; private int mRet; InstallParams(Uri packageURI, IPackageInstallObserver observer, int flags, String installerPackageName, Uri verificationURI, ManifestDigest manifestDigest) { this.packageURI = packageURI; this.flags = flags; this.observer = observer; this.installerPackageName = installerPackageName; this.verificationURI = verificationURI; this.manifestDigest = manifestDigest; } private int installLocationPolicy(PackageInfoLite pkgLite, int flags) { String packageName = pkgLite.packageName; int installLocation = pkgLite.installLocation; boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; // reader synchronized (mPackages) { PackageParser.Package pkg = mPackages.get(packageName); if (pkg != null) { if ((flags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { // Check for updated system application. if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { if (onSd) { Slog.w(TAG, "Cannot install update to system app on sdcard"); return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; } return PackageHelper.RECOMMEND_INSTALL_INTERNAL; } else { if (onSd) { // Install flag overrides everything. return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; } // If current upgrade specifies particular preference if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { // Application explicitly specified internal. return PackageHelper.RECOMMEND_INSTALL_INTERNAL; } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { // App explictly prefers external. Let policy decide } else { // Prefer previous location if (isExternal(pkg)) { return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; } return PackageHelper.RECOMMEND_INSTALL_INTERNAL; } } } else { // Invalid install. Return error code return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; } } } // All the special cases have been taken care of. // Return result based on recommended install location. if (onSd) { return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; } return pkgLite.recommendedInstallLocation; } /* * Invoke remote method to get package information and install * location values. Override install location based on default * policy if needed and then create install arguments based * on the install location. */ public void handleStartCopy() throws RemoteException { int ret = PackageManager.INSTALL_SUCCEEDED; final boolean fwdLocked = (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; final boolean onSd = (flags & PackageManager.INSTALL_EXTERNAL) != 0; final boolean onInt = (flags & PackageManager.INSTALL_INTERNAL) != 0; PackageInfoLite pkgLite = null; if (onInt && onSd) { // Check if both bits are set. Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; } else 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 { final long lowThreshold; final DeviceStorageMonitorService dsm = (DeviceStorageMonitorService) ServiceManager .getService(DeviceStorageMonitorService.SERVICE); if (dsm == null) { Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); lowThreshold = 0L; } else { lowThreshold = dsm.getMemoryLowThreshold(); } // Remote call to find out default install location try { mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); pkgLite = mContainerService.getMinimalPackageInfo(packageURI, flags, lowThreshold); } finally { mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); } int loc = pkgLite.recommendedInstallLocation; if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { ret = PackageManager.INSTALL_FAILED_INVALID_APK; } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { ret = PackageManager.INSTALL_FAILED_INVALID_URI; } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; } else { // Override with defaults if needed. loc = installLocationPolicy(pkgLite, flags); if (!onSd && !onInt) { // Override install location with flags if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { // Set the flag to install on external media. flags |= PackageManager.INSTALL_EXTERNAL; flags &= ~PackageManager.INSTALL_INTERNAL; } else { // Make sure the flag for installing on external // media is unset flags |= PackageManager.INSTALL_INTERNAL; flags &= ~PackageManager.INSTALL_EXTERNAL; } } } } final InstallArgs args = createInstallArgs(this); mArgs = args; if (ret == PackageManager.INSTALL_SUCCEEDED) { /* * Determine if we have any installed package verifiers. If we * do, then we'll defer to them to verify the packages. */ final int requiredUid = mRequiredVerifierPackage == null ? -1 : getPackageUid(mRequiredVerifierPackage); if (requiredUid != -1 && isVerificationEnabled()) { final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); verification.setDataAndType(packageURI, PACKAGE_MIME_TYPE); verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); final List<ResolveInfo> receivers = queryIntentReceivers(verification, null, PackageManager.GET_DISABLED_COMPONENTS); if (DEBUG_VERIFY) { Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " + verification.toString() + " with " + pkgLite.verifiers.length + " optional verifiers"); } final int verificationId = mPendingVerificationToken++; verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, installerPackageName); verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, flags); if (verificationURI != null) { verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, verificationURI); } final PackageVerificationState verificationState = new PackageVerificationState( requiredUid, args); mPendingVerification.append(verificationId, verificationState); final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, receivers, verificationState); /* * If any sufficient verifiers were listed in the package * manifest, attempt to ask them. */ if (sufficientVerifiers != null) { final int N = sufficientVerifiers.size(); if (N == 0) { Slog.i(TAG, "Additional verifiers required, but none installed."); ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; } else { for (int i = 0; i < N; i++) { final ComponentName verifierComponent = sufficientVerifiers.get(i); final Intent sufficientIntent = new Intent(verification); sufficientIntent.setComponent(verifierComponent); mContext.sendBroadcast(sufficientIntent); } } } final ComponentName requiredVerifierComponent = matchComponentForVerifier( mRequiredVerifierPackage, receivers); if (ret == PackageManager.INSTALL_SUCCEEDED && mRequiredVerifierPackage != null) { /* * Send the intent to the required verification agent, * but only start the verification timeout after the * target BroadcastReceivers have run. */ verification.setComponent(requiredVerifierComponent); mContext.sendOrderedBroadcast(verification, android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { final Message msg = mHandler .obtainMessage(CHECK_PENDING_VERIFICATION); msg.arg1 = verificationId; mHandler.sendMessageDelayed(msg, getVerificationTimeout()); } }, null, 0, null, null); /* * We don't want the copy to proceed until verification * succeeds, so null out this field. */ mArgs = null; } } else { /* * No package verification is enabled, so immediately start * the remote call to initiate copy using temporary file. */ ret = args.copyApk(mContainerService, true); } } mRet = ret; } @Override void handleReturnCode() { // If mArgs is null, then MCS couldn't be reached. When it // reconnects, it will try again to install. At that point, this // will succeed. if (mArgs != null) { processPendingInstall(mArgs, mRet); } } @Override void handleServiceError() { mArgs = createInstallArgs(this); mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; } } /* * Utility class used in movePackage api. * srcArgs and targetArgs are not set for invalid flags and make * sure to do null checks when invoking methods on them. * We probably want to return ErrorPrams for both failed installs * and moves. */ class MoveParams extends HandlerParams { final IPackageMoveObserver observer; final int flags; final String packageName; final InstallArgs srcArgs; final InstallArgs targetArgs; int mRet; MoveParams(InstallArgs srcArgs, IPackageMoveObserver observer, int flags, String packageName, String dataDir) { this.srcArgs = srcArgs; this.observer = observer; this.flags = flags; this.packageName = packageName; if (srcArgs != null) { Uri packageUri = Uri.fromFile(new File(srcArgs.getCodePath())); targetArgs = createInstallArgs(packageUri, flags, packageName, dataDir); } else { targetArgs = null; } } public void handleStartCopy() throws RemoteException { mRet = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; // Check for storage space on target medium if (!targetArgs.checkFreeStorage(mContainerService)) { Log.w(TAG, "Insufficient storage to install"); return; } // Create the file args now. mRet = targetArgs.copyApk(mContainerService, false); targetArgs.doPreInstall(mRet); if (DEBUG_SD_INSTALL) { StringBuilder builder = new StringBuilder(); if (srcArgs != null) { builder.append("src: "); builder.append(srcArgs.getCodePath()); } if (targetArgs != null) { builder.append(" target : "); builder.append(targetArgs.getCodePath()); } Log.i(TAG, builder.toString()); } } @Override void handleReturnCode() { targetArgs.doPostInstall(mRet); int currentStatus = PackageManager.MOVE_FAILED_INTERNAL_ERROR; if (mRet == PackageManager.INSTALL_SUCCEEDED) { currentStatus = PackageManager.MOVE_SUCCEEDED; } else if (mRet == PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE){ currentStatus = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; } processPendingMove(this, currentStatus); } @Override void handleServiceError() { mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; } } private InstallArgs createInstallArgs(InstallParams params) { if (installOnSd(params.flags)) { return new SdInstallArgs(params); } else { return new FileInstallArgs(params); } } private InstallArgs createInstallArgs(int flags, String fullCodePath, String fullResourcePath, String nativeLibraryPath) { if (installOnSd(flags)) { return new SdInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath); } else { return new FileInstallArgs(fullCodePath, fullResourcePath, nativeLibraryPath); } } // Used by package mover private InstallArgs createInstallArgs(Uri packageURI, int flags, String pkgName, String dataDir) { if (installOnSd(flags)) { String cid = getNextCodePath(null, pkgName, "/" + SdInstallArgs.RES_FILE_NAME); return new SdInstallArgs(packageURI, cid); } else { return new FileInstallArgs(packageURI, pkgName, dataDir); } } static abstract class InstallArgs { final IPackageInstallObserver observer; // Always refers to PackageManager flags only final int flags; final Uri packageURI; final String installerPackageName; final ManifestDigest manifestDigest; InstallArgs(Uri packageURI, IPackageInstallObserver observer, int flags, String installerPackageName, ManifestDigest manifestDigest) { this.packageURI = packageURI; this.flags = flags; this.observer = observer; this.installerPackageName = installerPackageName; this.manifestDigest = manifestDigest; } abstract void createCopyFile(); abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; abstract int doPreInstall(int status); abstract boolean doRename(int status, String pkgName, String oldCodePath); abstract int doPostInstall(int status); abstract String getCodePath(); abstract String getResourcePath(); abstract String getNativeLibraryPath(); // Need installer lock especially for dex file removal. abstract void cleanUpResourcesLI(); abstract boolean doPostDeleteLI(boolean delete); abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; } class FileInstallArgs extends InstallArgs { File installDir; String codeFileName; String resourceFileName; String libraryPath; boolean created = false; FileInstallArgs(InstallParams params) { super(params.packageURI, params.observer, params.flags, params.installerPackageName, params.manifestDigest); } FileInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath) { super(null, null, 0, null, null); File codeFile = new File(fullCodePath); installDir = codeFile.getParentFile(); codeFileName = fullCodePath; resourceFileName = fullResourcePath; libraryPath = nativeLibraryPath; } FileInstallArgs(Uri packageURI, String pkgName, String dataDir) { super(packageURI, null, 0, null, null); installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; String apkName = getNextCodePath(null, pkgName, ".apk"); codeFileName = new File(installDir, apkName + ".apk").getPath(); resourceFileName = getResourcePathFromCodePath(); libraryPath = new File(dataDir, LIB_DIR_NAME).getPath(); } boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { final long lowThreshold; final DeviceStorageMonitorService dsm = (DeviceStorageMonitorService) ServiceManager .getService(DeviceStorageMonitorService.SERVICE); if (dsm == null) { Log.w(TAG, "Couldn't get low memory threshold; no free limit imposed"); lowThreshold = 0L; } else { if (dsm.isMemoryLow()) { Log.w(TAG, "Memory is reported as being too low; aborting package install"); return false; } lowThreshold = dsm.getMemoryLowThreshold(); } try { mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); return imcs.checkInternalFreeStorage(packageURI, lowThreshold); } finally { mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); } } String getCodePath() { return codeFileName; } void createCopyFile() { installDir = isFwdLocked() ? mDrmAppPrivateInstallDir : mAppInstallDir; codeFileName = createTempPackageFile(installDir).getPath(); resourceFileName = getResourcePathFromCodePath(); created = true; } int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { if (temp) { // Generate temp file name createCopyFile(); } // Get a ParcelFileDescriptor to write to the output file File codeFile = new File(codeFileName); if (!created) { try { codeFile.createNewFile(); // Set permissions if (!setPermissions()) { // Failed setting permissions. return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; } } catch (IOException e) { Slog.w(TAG, "Failed to create file " + codeFile); return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; } } ParcelFileDescriptor out = null; try { out = ParcelFileDescriptor.open(codeFile, ParcelFileDescriptor.MODE_READ_WRITE); } catch (FileNotFoundException e) { Slog.e(TAG, "Failed to create file descriptor for : " + codeFileName); return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; } // Copy the resource now int ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; try { mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); ret = imcs.copyResource(packageURI, out); } finally { try { if (out != null) out.close(); } catch (IOException e) {} mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); } return ret; } int doPreInstall(int status) { if (status != PackageManager.INSTALL_SUCCEEDED) { cleanUp(); } return status; } boolean doRename(int status, final String pkgName, String oldCodePath) { if (status != PackageManager.INSTALL_SUCCEEDED) { cleanUp(); return false; } else { // Rename based on packageName File codeFile = new File(getCodePath()); String apkName = getNextCodePath(oldCodePath, pkgName, ".apk"); File desFile = new File(installDir, apkName + ".apk"); if (!codeFile.renameTo(desFile)) { return false; } // Reset paths since the file has been renamed. codeFileName = desFile.getPath(); resourceFileName = getResourcePathFromCodePath(); // Set permissions if (!setPermissions()) { // Failed setting permissions. return false; } return true; } } int doPostInstall(int status) { if (status != PackageManager.INSTALL_SUCCEEDED) { cleanUp(); } return status; } String getResourcePath() { return resourceFileName; } String getResourcePathFromCodePath() { String codePath = getCodePath(); if ((flags & PackageManager.INSTALL_FORWARD_LOCK) != 0) { String apkNameOnly = getApkName(codePath); return mAppInstallDir.getPath() + "/" + apkNameOnly + ".zip"; } else { return codePath; } } @Override String getNativeLibraryPath() { return libraryPath; } private boolean cleanUp() { boolean ret = true; String sourceDir = getCodePath(); String publicSourceDir = getResourcePath(); if (sourceDir != null) { File sourceFile = new File(sourceDir); if (!sourceFile.exists()) { Slog.w(TAG, "Package source " + sourceDir + " does not exist."); ret = false; } // Delete application's code and resources sourceFile.delete(); } if (publicSourceDir != null && !publicSourceDir.equals(sourceDir)) { final File publicSourceFile = new File(publicSourceDir); if (!publicSourceFile.exists()) { Slog.w(TAG, "Package public source " + publicSourceFile + " does not exist."); } if (publicSourceFile.exists()) { publicSourceFile.delete(); } } return ret; } void cleanUpResourcesLI() { String sourceDir = getCodePath(); if (cleanUp()) { int retCode = mInstaller.rmdex(sourceDir); if (retCode < 0) { Slog.w(TAG, "Couldn't remove dex file for package: " + " at location " + sourceDir + ", retcode=" + retCode); // we don't consider this to be a failure of the core package deletion } } } private boolean setPermissions() { // TODO Do this in a more elegant way later on. for now just a hack if (!isFwdLocked()) { final int filePermissions = FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP |FileUtils.S_IROTH; int retCode = FileUtils.setPermissions(getCodePath(), filePermissions, -1, -1); if (retCode != 0) { Slog.e(TAG, "Couldn't set new package file permissions for " + getCodePath() + ". The return code was: " + retCode); // TODO Define new internal error return false; } return true; } return true; } boolean doPostDeleteLI(boolean delete) { // XXX err, shouldn't we respect the delete flag? cleanUpResourcesLI(); return true; } private boolean isFwdLocked() { return (flags & PackageManager.INSTALL_FORWARD_LOCK) != 0; } } /** * Extract the MountService "container ID" from the full code path of an * .apk. */ static String cidFromCodePath(String fullCodePath) { int eidx = fullCodePath.lastIndexOf("/"); String subStr1 = fullCodePath.substring(0, eidx); int sidx = subStr1.lastIndexOf("/"); return subStr1.substring(sidx+1, eidx); } class SdInstallArgs extends InstallArgs { static final String RES_FILE_NAME = "pkg.apk"; String cid; String packagePath; String libraryPath; SdInstallArgs(InstallParams params) { super(params.packageURI, params.observer, params.flags, params.installerPackageName, params.manifestDigest); } SdInstallArgs(String fullCodePath, String fullResourcePath, String nativeLibraryPath) { super(null, null, PackageManager.INSTALL_EXTERNAL, null, null); // Extract cid from fullCodePath int eidx = fullCodePath.lastIndexOf("/"); String subStr1 = fullCodePath.substring(0, eidx); int sidx = subStr1.lastIndexOf("/"); cid = subStr1.substring(sidx+1, eidx); setCachePath(subStr1); } SdInstallArgs(String cid) { super(null, null, PackageManager.INSTALL_EXTERNAL, null, null); this.cid = cid; setCachePath(PackageHelper.getSdDir(cid)); } SdInstallArgs(Uri packageURI, String cid) { super(packageURI, null, PackageManager.INSTALL_EXTERNAL, null, null); this.cid = cid; } void createCopyFile() { cid = getTempContainerId(); } boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { try { mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); return imcs.checkExternalFreeStorage(packageURI); } finally { mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); } } int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { if (temp) { createCopyFile(); } else { /* * Pre-emptively destroy the container since it's destroyed if * copying fails due to it existing anyway. */ PackageHelper.destroySdDir(cid); } final String newCachePath; try { mContext.grantUriPermission(DEFAULT_CONTAINER_PACKAGE, packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); newCachePath = imcs.copyResourceToContainer(packageURI, cid, getEncryptKey(), RES_FILE_NAME); } finally { mContext.revokeUriPermission(packageURI, Intent.FLAG_GRANT_READ_URI_PERMISSION); } if (newCachePath != null) { setCachePath(newCachePath); return PackageManager.INSTALL_SUCCEEDED; } else { return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; } } @Override String getCodePath() { return packagePath; } @Override String getResourcePath() { return packagePath; } @Override String getNativeLibraryPath() { return libraryPath; } int doPreInstall(int status) { if (status != PackageManager.INSTALL_SUCCEEDED) { // Destroy container PackageHelper.destroySdDir(cid); } else { boolean mounted = PackageHelper.isContainerMounted(cid); if (!mounted) { String newCachePath = PackageHelper.mountSdDir(cid, getEncryptKey(), Process.SYSTEM_UID); if (newCachePath != null) { setCachePath(newCachePath); } else { return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; } } } return status; } boolean doRename(int status, final String pkgName, String oldCodePath) { String newCacheId = getNextCodePath(oldCodePath, pkgName, "/" + RES_FILE_NAME); String newCachePath = null; if (PackageHelper.isContainerMounted(cid)) { // Unmount the container if (!PackageHelper.unMountSdDir(cid)) { Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); return false; } } if (!PackageHelper.renameSdDir(cid, newCacheId)) { Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + " which might be stale. Will try to clean up."); // Clean up the stale container and proceed to recreate. if (!PackageHelper.destroySdDir(newCacheId)) { Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); return false; } // Successfully cleaned up stale container. Try to rename again. if (!PackageHelper.renameSdDir(cid, newCacheId)) { Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + " inspite of cleaning it up."); return false; } } if (!PackageHelper.isContainerMounted(newCacheId)) { Slog.w(TAG, "Mounting container " + newCacheId); newCachePath = PackageHelper.mountSdDir(newCacheId, getEncryptKey(), Process.SYSTEM_UID); } else { newCachePath = PackageHelper.getSdDir(newCacheId); } if (newCachePath == null) { Slog.w(TAG, "Failed to get cache path for " + newCacheId); return false; } Log.i(TAG, "Succesfully renamed " + cid + " to " + newCacheId + " at new path: " + newCachePath); cid = newCacheId; setCachePath(newCachePath); return true; } private void setCachePath(String newCachePath) { File cachePath = new File(newCachePath); libraryPath = new File(cachePath, LIB_DIR_NAME).getPath(); packagePath = new File(cachePath, RES_FILE_NAME).getPath(); } int doPostInstall(int status) { if (status != PackageManager.INSTALL_SUCCEEDED) { cleanUp(); } else { boolean mounted = PackageHelper.isContainerMounted(cid); if (!mounted) { PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); } } return status; } private void cleanUp() { // Destroy secure container PackageHelper.destroySdDir(cid); } void cleanUpResourcesLI() { String sourceFile = getCodePath(); // Remove dex file 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.packageName, 0).exists(); res.name = pkgName; synchronized(mPackages) { if (mSettings.mRenamedPackages.containsKey(pkgName)) { // A package with the same name is already installed, though // it has been renamed to an older name. The package we // are trying to install should be installed as an update to // the existing one, but that has not been requested, so bail. Slog.w(TAG, "Attempt to re-install " + pkgName + " without first uninstalling package running as " + mSettings.mRenamedPackages.get(pkgName)); res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; return; } if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(pkg.mPath)) { // Don't allow installation over an existing package with the same name. Slog.w(TAG, "Attempt to re-install " + pkgName + " without first uninstalling."); res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; return; } } mLastScanError = PackageManager.INSTALL_SUCCEEDED; PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanMode, System.currentTimeMillis()); if (newPackage == null) { Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; } } else { updateSettingsLI(newPackage, installerPackageName, res); // delete the partially installed application. the data directory will have to be // restored if it was already existing if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { // remove package from internal structures. Note that we want deletePackageX to // delete the package data and cache directories that it created in // scanPackageLocked, unless those directories existed before we even tried to // install. deletePackageLI( pkgName, false, dataDirExists ? PackageManager.DONT_DELETE_DATA : 0, res.removedInfo, true); } } } private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanMode, String installerPackageName, PackageInstalledInfo res) { PackageParser.Package oldPackage; String pkgName = pkg.packageName; // First find the old package info and check signatures synchronized(mPackages) { oldPackage = mPackages.get(pkgName); if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; return; } } boolean sysPkg = (isSystemApp(oldPackage)); if (sysPkg) { replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, installerPackageName, res); } else { replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanMode, installerPackageName, res); } } private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, PackageParser.Package pkg, int parseFlags, int scanMode, String installerPackageName, PackageInstalledInfo res) { PackageParser.Package newPackage = null; String pkgName = deletedPackage.packageName; boolean deletedPkg = true; boolean updatedSettings = false; long origUpdateTime; if (pkg.mExtras != null) { origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; } else { origUpdateTime = 0; } // First delete the existing package while retaining the data directory if (!deletePackageLI(pkgName, true, PackageManager.DONT_DELETE_DATA, res.removedInfo, true)) { // If the existing package wasn't successfully deleted res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; deletedPkg = false; } else { // Successfully deleted the old package. Now proceed with re-installation mLastScanError = PackageManager.INSTALL_SUCCEEDED; newPackage = scanPackageLI(pkg, parseFlags, scanMode | SCAN_UPDATE_TIME, System.currentTimeMillis()); if (newPackage == null) { Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; } } else { updateSettingsLI(newPackage, installerPackageName, res); updatedSettings = true; } } if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { // remove package from internal structures. Note that we want deletePackageX to // delete the package data and cache directories that it created in // scanPackageLocked, unless those directories existed before we even tried to // install. if(updatedSettings) { deletePackageLI( pkgName, true, PackageManager.DONT_DELETE_DATA, res.removedInfo, true); } // Since we failed to install the new package we need to restore the old // package that we deleted. if(deletedPkg) { File restoreFile = new File(deletedPackage.mPath); if (restoreFile == null) { Slog.e(TAG, "Failed allocating storage when restoring pkg : " + pkgName); return; } // Parse old package boolean oldOnSd = isExternal(deletedPackage); int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); int oldScanMode = (oldOnSd ? 0 : SCAN_MONITOR) | SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; if (scanPackageLI(restoreFile, oldParseFlags, oldScanMode, origUpdateTime) == null) { Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade"); return; } // Restore of old package succeeded. Update permissions. // writer synchronized (mPackages) { updatePermissionsLPw(deletedPackage.packageName, deletedPackage, true, false, false); // can downgrade to reader mSettings.writeLPr(); } Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); } } } private void replaceSystemPackageLI(PackageParser.Package deletedPackage, PackageParser.Package pkg, int parseFlags, int scanMode, String installerPackageName, PackageInstalledInfo res) { PackageParser.Package newPackage = null; boolean updatedSettings = false; parseFlags |= PackageManager.INSTALL_REPLACE_EXISTING | PackageParser.PARSE_IS_SYSTEM; String packageName = deletedPackage.packageName; res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; if (packageName == null) { Slog.w(TAG, "Attempt to delete null packageName."); return; } PackageParser.Package oldPkg; PackageSetting oldPkgSetting; // reader synchronized (mPackages) { oldPkg = mPackages.get(packageName); oldPkgSetting = mSettings.mPackages.get(packageName); if((oldPkg == null) || (oldPkg.applicationInfo == null) || (oldPkgSetting == null)) { Slog.w(TAG, "Couldn't find package:"+packageName+" information"); return; } } killApplication(packageName, oldPkg.applicationInfo.uid); res.removedInfo.uid = oldPkg.applicationInfo.uid; res.removedInfo.removedPackage = packageName; // Remove existing system package removePackageLI(oldPkg, true); // writer synchronized (mPackages) { if (!mSettings.disableSystemPackageLPw(packageName) && deletedPackage != null) { // We didn't need to disable the .apk as a current system package, // which means we are replacing another update that is already // installed. We need to make sure to delete the older one's .apk. res.removedInfo.args = createInstallArgs(isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL, deletedPackage.applicationInfo.sourceDir, deletedPackage.applicationInfo.publicSourceDir, deletedPackage.applicationInfo.nativeLibraryDir); } else { res.removedInfo.args = null; } } // Successfully disabled the old package. Now proceed with re-installation mLastScanError = PackageManager.INSTALL_SUCCEEDED; pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; newPackage = scanPackageLI(pkg, parseFlags, scanMode, 0); if (newPackage == null) { Slog.w(TAG, "Package couldn't be installed in " + pkg.mPath); if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; } } else { if (newPackage.mExtras != null) { final PackageSetting newPkgSetting = (PackageSetting)newPackage.mExtras; newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; newPkgSetting.lastUpdateTime = System.currentTimeMillis(); } updateSettingsLI(newPackage, installerPackageName, res); updatedSettings = true; } if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { // Re installation failed. Restore old information // Remove new pkg information if (newPackage != null) { removePackageLI(newPackage, true); } // Add back the old system package scanPackageLI(oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE, 0); // Restore the old system information in Settings synchronized(mPackages) { if (updatedSettings) { mSettings.enableSystemPackageLPw(packageName); mSettings.setInstallerPackageName(packageName, oldPkgSetting.installerPackageName); } mSettings.writeLPr(); } } } // Utility method used to move dex files during install. private int moveDexFilesLI(PackageParser.Package newPackage) { int retCode; if ((newPackage.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { retCode = mInstaller.movedex(newPackage.mScanPath, newPackage.mPath); if (retCode != 0) { if (mNoDexOpt) { /* * If we're in an engineering build, programs are lazily run * through dexopt. If the .dex file doesn't exist yet, it * will be created when the program is run next. */ Slog.i(TAG, "dex file doesn't exist, skipping move: " + newPackage.mPath); } else { Slog.e(TAG, "Couldn't rename dex file: " + newPackage.mPath); return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; } } } return PackageManager.INSTALL_SUCCEEDED; } private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, PackageInstalledInfo res) { String pkgName = newPackage.packageName; synchronized (mPackages) { //write settings. the installStatus will be incomplete at this stage. //note that the new package setting would have already been //added to mPackages. It hasn't been persisted yet. mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); mSettings.writeLPr(); } if ((res.returnCode = moveDexFilesLI(newPackage)) != PackageManager.INSTALL_SUCCEEDED) { // Discontinue if moving dex files failed. return; } if((res.returnCode = setPermissionsLI(newPackage)) != PackageManager.INSTALL_SUCCEEDED) { mInstaller.rmdex(newPackage.mScanPath); return; } else { Log.d(TAG, "New package installed in " + newPackage.mPath); } synchronized (mPackages) { updatePermissionsLPw(newPackage.packageName, newPackage, newPackage.permissions.size() > 0, true, false); res.name = pkgName; res.uid = newPackage.applicationInfo.uid; res.pkg = newPackage; mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); mSettings.setInstallerPackageName(pkgName, installerPackageName); res.returnCode = PackageManager.INSTALL_SUCCEEDED; //to update install status mSettings.writeLPr(); } } private void installPackageLI(InstallArgs args, boolean newInstall, PackageInstalledInfo res) { int pFlags = args.flags; String installerPackageName = args.installerPackageName; File tmpPackageFile = new File(args.getCodePath()); boolean forwardLocked = ((pFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); boolean onSd = ((pFlags & PackageManager.INSTALL_EXTERNAL) != 0); boolean replace = false; int scanMode = (onSd ? 0 : SCAN_MONITOR) | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE | (newInstall ? SCAN_NEW_INSTALL : 0); // Result object to be returned res.returnCode = PackageManager.INSTALL_SUCCEEDED; // Retrieve PackageSettings and parse package int parseFlags = 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; } /* If the installer passed in a manifest digest, compare it now. */ if (args.manifestDigest != null) { if (DEBUG_INSTALL) { final String parsedManifest = pkg.manifestDigest == null ? "null" : pkg.manifestDigest.toString(); Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " + parsedManifest); } if (!args.manifestDigest.equals(pkg.manifestDigest)) { res.returnCode = PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; return; } } else if (DEBUG_INSTALL) { final String parsedManifest = pkg.manifestDigest == null ? "null" : pkg.manifestDigest.toString(); Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); } // Get rid of all references to package scan path via parser. pp = null; String oldCodePath = null; boolean systemApp = false; synchronized (mPackages) { // Check if installing already existing package if ((pFlags&PackageManager.INSTALL_REPLACE_EXISTING) != 0) { String oldName = mSettings.mRenamedPackages.get(pkgName); if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName) && mPackages.containsKey(oldName)) { // This package is derived from an original package, // and this device has been updating from that original // name. We must continue using the original name, so // rename the new package here. pkg.setPackageName(oldName); pkgName = pkg.packageName; replace = true; } else if (mPackages.containsKey(pkgName)) { // This package, under its official name, already exists // on the device; we should replace it. replace = true; } } PackageSetting ps = mSettings.mPackages.get(pkgName); if (ps != null) { oldCodePath = mSettings.mPackages.get(pkgName).codePathString; if (ps.pkg != null && ps.pkg.applicationInfo != null) { systemApp = (ps.pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; } } } if (systemApp && onSd) { // Disable updates to system apps on sdcard Slog.w(TAG, "Cannot install updates to system apps on sdcard"); res.returnCode = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; return; } if (!args.doRename(res.returnCode, pkgName, oldCodePath)) { res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; return; } // Set application objects path explicitly after the rename setApplicationInfoPaths(pkg, args.getCodePath(), args.getResourcePath()); pkg.applicationInfo.nativeLibraryDir = args.getNativeLibraryPath(); if (replace) { replacePackageLI(pkg, parseFlags, scanMode, installerPackageName, res); } else { installNewPackageLI(pkg, parseFlags, scanMode, installerPackageName,res); } } private int setPermissionsLI(PackageParser.Package newPackage) { int retCode = 0; // TODO Gross hack but fix later. Ideally move this to be a post installation // check after alloting uid. if (isForwardLocked(newPackage)) { File destResourceFile = new File(newPackage.applicationInfo.publicSourceDir); try { extractPublicFiles(newPackage, destResourceFile); } catch (IOException e) { Slog.e(TAG, "Couldn't create a new zip file for the public parts of a" + " forward-locked app."); return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; } finally { //TODO clean up the extracted public files } retCode = mInstaller.setForwardLockPerm(getApkName(newPackage.mPath), newPackage.applicationInfo.uid); } else { // The permissions on the resource file was set when it was copied for // non forward locked apps and apps on sdcard } if (retCode != 0) { Slog.e(TAG, "Couldn't set new package file permissions for " + newPackage.mPath + ". The return code was: " + retCode); // TODO Define new internal error return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; } return PackageManager.INSTALL_SUCCEEDED; } private static boolean isForwardLocked(PackageParser.Package pkg) { return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; } private static boolean isExternal(PackageParser.Package pkg) { return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; } private static boolean isSystemApp(PackageParser.Package pkg) { return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; } private static boolean isSystemApp(ApplicationInfo info) { return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; } private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; } private void extractPublicFiles(PackageParser.Package newPackage, File publicZipFile) throws IOException { final FileOutputStream fstr = new FileOutputStream(publicZipFile); final ZipOutputStream publicZipOutStream = new ZipOutputStream(fstr); final ZipFile privateZip = new ZipFile(newPackage.mPath); // Copy manifest, resources.arsc and res directory to public zip final Enumeration<? extends ZipEntry> privateZipEntries = privateZip.entries(); while (privateZipEntries.hasMoreElements()) { final ZipEntry zipEntry = privateZipEntries.nextElement(); final String zipEntryName = zipEntry.getName(); if ("AndroidManifest.xml".equals(zipEntryName) || "resources.arsc".equals(zipEntryName) || zipEntryName.startsWith("res/")) { try { copyZipEntry(zipEntry, privateZip, publicZipOutStream); } catch (IOException e) { try { publicZipOutStream.close(); throw e; } finally { publicZipFile.delete(); } } } } publicZipOutStream.finish(); publicZipOutStream.flush(); FileUtils.sync(fstr); publicZipOutStream.close(); FileUtils.setPermissions( publicZipFile.getAbsolutePath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP|FileUtils.S_IROTH, -1, -1); } private static void copyZipEntry(ZipEntry zipEntry, ZipFile inZipFile, ZipOutputStream outZipStream) throws IOException { byte[] buffer = new byte[4096]; int num; ZipEntry newEntry; if (zipEntry.getMethod() == ZipEntry.STORED) { // Preserve the STORED method of the input entry. newEntry = new ZipEntry(zipEntry); } else { // Create a new entry so that the compressed len is recomputed. newEntry = new ZipEntry(zipEntry.getName()); } outZipStream.putNextEntry(newEntry); InputStream data = inZipFile.getInputStream(zipEntry); while ((num = data.read(buffer)) > 0) { outZipStream.write(buffer, 0, num); } outZipStream.flush(); } private void deleteTempPackageFiles() { FilenameFilter filter = new FilenameFilter() { public boolean accept(File dir, String name) { return name.startsWith("vmdl") && name.endsWith(".tmp"); } }; String tmpFilesList[] = mAppInstallDir.list(filter); if(tmpFilesList == null) { return; } for(int i = 0; i < tmpFilesList.length; i++) { File tmpFile = new File(mAppInstallDir, tmpFilesList[i]); tmpFile.delete(); } } private File createTempPackageFile(File installDir) { File tmpPackageFile; try { tmpPackageFile = File.createTempFile("vmdl", ".tmp", installDir); } catch (IOException e) { Slog.e(TAG, "Couldn't create temp file for downloaded package file."); return null; } try { FileUtils.setPermissions( tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, -1, -1); } catch (IOException e) { Slog.e(TAG, "Trouble getting the canoncical path for a temp file."); return null; } return tmpPackageFile; } public void deletePackage(final String packageName, final IPackageDeleteObserver observer, final int flags) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.DELETE_PACKAGES, null); // Queue up an async operation since the package deletion may take a little while. mHandler.post(new Runnable() { public void run() { mHandler.removeCallbacks(this); final int returnCode = deletePackageX(packageName, true, true, flags); if (observer != null) { try { observer.packageDeleted(packageName, returnCode); } catch (RemoteException e) { Log.i(TAG, "Observer no longer exists."); } //end catch } //end if } //end run }); } /** * This method is an internal method that could be get invoked either * to delete an installed package or to clean up a failed installation. * After deleting an installed package, a broadcast is sent to notify any * listeners that the package has been installed. For cleaning up a failed * installation, the broadcast is not necessary since the package's * installation wouldn't have sent the initial broadcast either * The key steps in deleting a package are * deleting the package information in internal structures like mPackages, * deleting the packages base directories through installd * updating mSettings to reflect current status * persisting settings for later use * sending a broadcast if necessary */ private int deletePackageX(String packageName, boolean sendBroadCast, boolean deleteCodeAndResources, int flags) { final PackageRemovedInfo info = new PackageRemovedInfo(); final boolean res; IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); try { if (dpm != null && dpm.packageHasActiveAdmins(packageName)) { Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; } } catch (RemoteException e) { } synchronized (mInstallLock) { res = deletePackageLI(packageName, deleteCodeAndResources, flags | REMOVE_CHATTY, info, true); } if (res && sendBroadCast) { boolean systemUpdate = info.isRemovedPackageSystemUpdate; info.sendBroadcast(deleteCodeAndResources, systemUpdate); // If the removed package was a system update, the old system packaged // was re-enabled; we need to broadcast this information if (systemUpdate) { Bundle extras = new Bundle(1); extras.putInt(Intent.EXTRA_UID, info.removedUid >= 0 ? info.removedUid : info.uid); extras.putBoolean(Intent.EXTRA_REPLACING, true); sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, extras, null, null); sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, extras, null, null); sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, null, packageName, 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 ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; } 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, null); if (fullRemove && !replacing) { sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, extras, null, null); } } if (removedUid >= 0) { sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null); } } } /* * This method deletes the package from internal data structures. If the DONT_DELETE_DATA * flag is not set, the data directory is removed as well. * make sure this flag is set for partially installed apps. If not its meaningless to * delete a partially installed application. */ private void removePackageDataLI(PackageParser.Package p, PackageRemovedInfo outInfo, int flags, boolean writeSettings) { String packageName = p.packageName; if (outInfo != null) { outInfo.removedPackage = packageName; } removePackageLI(p, (flags&REMOVE_CHATTY) != 0); // Retrieve object to delete permissions for shared user later on final PackageSetting deletedPs; // reader synchronized (mPackages) { deletedPs = mSettings.mPackages.get(packageName); } if ((flags&PackageManager.DONT_DELETE_DATA) == 0) { int retCode = mInstaller.remove(packageName, 0); 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 { // TODO: Kill the processes first mUserManager.removePackageForAllUsers(packageName); } schedulePackageCleaning(packageName); } // writer synchronized (mPackages) { if (deletedPs != null) { if ((flags&PackageManager.DONT_DELETE_DATA) == 0) { if (outInfo != null) { outInfo.removedUid = mSettings.removePackageLPw(packageName); } if (deletedPs != null) { updatePermissionsLPw(deletedPs.name, null, false, false, false); if (deletedPs.sharedUser != null) { // remove permissions associated with package mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); } } } // remove from preferred activities. ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); for (PreferredActivity pa : mSettings.mPreferredActivities.filterSet()) { if (pa.mPref.mComponent.getPackageName().equals(deletedPs.name)) { removed.add(pa); } } for (PreferredActivity pa : removed) { mSettings.mPreferredActivities.removeFilter(pa); } } // can downgrade to reader if (writeSettings) { // Save settings now mSettings.writeLPr(); } } } /* * Tries to delete system package. */ private boolean deleteSystemPackageLI(PackageParser.Package p, int flags, PackageRemovedInfo outInfo, boolean writeSettings) { ApplicationInfo applicationInfo = p.applicationInfo; //applicable for non-partially installed applications only if (applicationInfo == null) { Slog.w(TAG, "Package " + p.packageName + " has no applicationInfo."); return false; } PackageSetting ps = null; // Confirm if the system package has been updated // An updated system app can be deleted. This will also have to restore // the system pkg from system partition // reader synchronized (mPackages) { ps = mSettings.getDisabledSystemPkgLPr(p.packageName); } if (ps == null) { Slog.w(TAG, "Attempt to delete unknown system package "+ p.packageName); return false; } else { Log.i(TAG, "Deleting system pkg from data partition"); } // Delete the updated package outInfo.isRemovedPackageSystemUpdate = true; if (ps.versionCode < p.mVersionCode) { // Delete data for downgrades flags &= ~PackageManager.DONT_DELETE_DATA; } else { // Preserve data by setting flag flags |= PackageManager.DONT_DELETE_DATA; } boolean ret = deleteInstalledPackageLI(p, true, flags, outInfo, writeSettings); if (!ret) { return false; } // writer synchronized (mPackages) { // Reinstate the old system package mSettings.enableSystemPackageLPw(p.packageName); // Remove any native libraries from the upgraded package. NativeLibraryHelper.removeNativeBinariesLI(p.applicationInfo.nativeLibraryDir); } // Install the system package PackageParser.Package newPkg = scanPackageLI(ps.codePath, PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM, SCAN_MONITOR | SCAN_NO_PATHS, 0); if (newPkg == null) { Slog.w(TAG, "Failed to restore system package:"+p.packageName+" with error:" + mLastScanError); return false; } // writer synchronized (mPackages) { updatePermissionsLPw(newPkg.packageName, newPkg, true, true, false); // can downgrade to reader here if (writeSettings) { mSettings.writeLPr(); } } return true; } private boolean deleteInstalledPackageLI(PackageParser.Package p, boolean deleteCodeAndResources, int flags, PackageRemovedInfo outInfo, boolean writeSettings) { ApplicationInfo applicationInfo = p.applicationInfo; if (applicationInfo == null) { Slog.w(TAG, "Package " + p.packageName + " has no applicationInfo."); return false; } if (outInfo != null) { outInfo.uid = applicationInfo.uid; } // Delete package data from internal structures and also remove data if flag is set removePackageDataLI(p, outInfo, flags, writeSettings); // Delete application code and resources if (deleteCodeAndResources) { // TODO can pick up from PackageSettings as well int installFlags = isExternal(p) ? PackageManager.INSTALL_EXTERNAL : 0; installFlags |= isForwardLocked(p) ? PackageManager.INSTALL_FORWARD_LOCK : 0; outInfo.args = createInstallArgs(installFlags, applicationInfo.sourceDir, applicationInfo.publicSourceDir, applicationInfo.nativeLibraryDir); } return true; } /* * This method handles package deletion in general */ private boolean deletePackageLI(String packageName, boolean deleteCodeAndResources, int flags, PackageRemovedInfo outInfo, boolean writeSettings) { if (packageName == null) { Slog.w(TAG, "Attempt to delete null packageName."); return false; } PackageParser.Package p; boolean dataOnly = false; synchronized (mPackages) { p = mPackages.get(packageName); if (p == null) { //this retrieves partially installed apps dataOnly = true; PackageSetting ps = mSettings.mPackages.get(packageName); if (ps == null) { Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); return false; } p = ps.pkg; } } if (p == null) { Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); return false; } if (dataOnly) { // Delete application data first removePackageDataLI(p, outInfo, flags, writeSettings); return true; } // At this point the package should have ApplicationInfo associated with it if (p.applicationInfo == null) { Slog.w(TAG, "Package " + p.packageName + " has no applicationInfo."); return false; } boolean ret = false; if (isSystemApp(p)) { Log.i(TAG, "Removing system package:"+p.packageName); // When an updated system application is deleted we delete the existing resources as well and // fall back to existing code in system partition ret = deleteSystemPackageLI(p, flags, outInfo, writeSettings); } else { Log.i(TAG, "Removing non-system package:"+p.packageName); // Kill application pre-emptively especially for apps on sd. killApplication(packageName, p.applicationInfo.uid); ret = deleteInstalledPackageLI(p, deleteCodeAndResources, flags, outInfo, writeSettings); } return ret; } public void clearApplicationUserData(final String packageName, final IPackageDataObserver observer) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.CLEAR_APP_USER_DATA, null); // Queue up an async operation since the package deletion may take a little while. mHandler.post(new Runnable() { public void run() { mHandler.removeCallbacks(this); final boolean succeeded; synchronized (mInstallLock) { succeeded = clearApplicationUserDataLI(packageName); } if (succeeded) { // invoke DeviceStorageMonitor's update method to clear any notifications DeviceStorageMonitorService dsm = (DeviceStorageMonitorService) ServiceManager.getService(DeviceStorageMonitorService.SERVICE); if (dsm != null) { dsm.updateMemory(); } } if(observer != null) { try { observer.onRemoveCompleted(packageName, succeeded); } catch (RemoteException e) { Log.i(TAG, "Observer no longer exists."); } } //end if observer } //end run }); } private boolean clearApplicationUserDataLI(String packageName) { if (packageName == null) { Slog.w(TAG, "Attempt to delete null packageName."); return false; } PackageParser.Package p; boolean dataOnly = false; synchronized (mPackages) { p = mPackages.get(packageName); if(p == null) { dataOnly = true; PackageSetting ps = mSettings.mPackages.get(packageName); if((ps == null) || (ps.pkg == null)) { Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); return false; } p = ps.pkg; } } if (!dataOnly) { //need to check this only for fully installed applications if (p == null) { Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); return false; } final ApplicationInfo applicationInfo = p.applicationInfo; if (applicationInfo == null) { Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); return false; } } int retCode = mInstaller.clearUserData(packageName, 0); // TODO - correct userId if (retCode < 0) { Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); return false; } return true; } public void deleteApplicationCacheFiles(final String packageName, final IPackageDataObserver observer) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.DELETE_CACHE_FILES, null); // Queue up an async operation since the package deletion may take a little while. 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; } 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 stats = new PackageStats(packageName); final boolean success; synchronized (mInstallLock) { success = getPackageSizeInfoLI(packageName, stats); } Message msg = mHandler.obtainMessage(INIT_COPY); msg.obj = new MeasureParams(stats, success, observer); mHandler.sendMessage(msg); } //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; String asecPath = null; synchronized (mPackages) { p = mPackages.get(packageName); if(p == null) { dataOnly = true; PackageSetting ps = mSettings.mPackages.get(packageName); if((ps == null) || (ps.pkg == null)) { Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); return false; } p = ps.pkg; } if (p != null && isExternal(p)) { String secureContainerId = cidFromCodePath(p.applicationInfo.sourceDir); if (secureContainerId != null) { asecPath = PackageHelper.getSdFilesystem(secureContainerId); } } } String publicSrcDir = null; if(!dataOnly) { final ApplicationInfo applicationInfo = p.applicationInfo; if (applicationInfo == null) { Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); return false; } if (isForwardLocked(p)) { publicSrcDir = applicationInfo.publicSourceDir; } } int res = mInstaller.getSizeInfo(packageName, p.mPath, publicSrcDir, asecPath, pStats); if (res < 0) { return false; } return true; } public void addPackageToPreferred(String packageName) { Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); } public void removePackageFromPreferred(String packageName) { Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); } public List<PackageInfo> getPreferredPackages(int flags) { return new ArrayList<PackageInfo>(); } private int getUidTargetSdkVersionLockedLPr(int uid) { Object obj = mSettings.getUserIdLPr(uid); if (obj instanceof SharedUserSetting) { final SharedUserSetting sus = (SharedUserSetting) obj; int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; final Iterator<PackageSetting> it = sus.packages.iterator(); while (it.hasNext()) { final PackageSetting ps = it.next(); if (ps.pkg != null) { int v = ps.pkg.applicationInfo.targetSdkVersion; if (v < vers) vers = v; } } return vers; } else if (obj instanceof PackageSetting) { final PackageSetting ps = (PackageSetting) obj; if (ps.pkg != null) { return ps.pkg.applicationInfo.targetSdkVersion; } } return Build.VERSION_CODES.CUR_DEVELOPMENT; } public void addPreferredActivity(IntentFilter filter, int match, ComponentName[] set, ComponentName activity) { // writer synchronized (mPackages) { if (mContext.checkCallingOrSelfPermission( android.Manifest.permission.SET_PREFERRED_APPLICATIONS) != PackageManager.PERMISSION_GRANTED) { if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) < Build.VERSION_CODES.FROYO) { Slog.w(TAG, "Ignoring 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 (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) < Build.VERSION_CODES.FROYO) { Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " + Binder.getCallingUid()); return; } mContext.enforceCallingOrSelfPermission( android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); } Iterator<PreferredActivity> it = mSettings.mPreferredActivities.filterIterator(); String action = filter.getAction(0); String category = filter.getCategory(0); while (it.hasNext()) { PreferredActivity pa = it.next(); if (pa.getAction(0).equals(action) && pa.getCategory(0).equals(category)) { it.remove(); Log.i(TAG, "Removed preferred activity " + pa.mPref.mComponent + ":"); filter.dump(new LogPrinter(Log.INFO, TAG), " "); } } addPreferredActivity(filter, match, set, activity); } } public void clearPackagePreferredActivities(String packageName) { final int uid = Binder.getCallingUid(); // writer synchronized (mPackages) { PackageParser.Package pkg = mPackages.get(packageName); if (pkg == null || pkg.applicationInfo.uid != uid) { if (mContext.checkCallingOrSelfPermission( android.Manifest.permission.SET_PREFERRED_APPLICATIONS) != PackageManager.PERMISSION_GRANTED) { if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) < Build.VERSION_CODES.FROYO) { Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " + Binder.getCallingUid()); return; } mContext.enforceCallingOrSelfPermission( android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); } } if (clearPackagePreferredActivitiesLPw(packageName)) { scheduleWriteSettingsLocked(); } } } boolean clearPackagePreferredActivitiesLPw(String packageName) { boolean changed = false; Iterator<PreferredActivity> it = mSettings.mPreferredActivities.filterIterator(); while (it.hasNext()) { PreferredActivity pa = it.next(); if (pa.mPref.mComponent.getPackageName().equals(packageName)) { it.remove(); changed = true; } } return changed; } public int getPreferredActivities(List<IntentFilter> outFilters, List<ComponentName> outActivities, String packageName) { int num = 0; // reader synchronized (mPackages) { final Iterator<PreferredActivity> it = mSettings.mPreferredActivities.filterIterator(); while (it.hasNext()) { final PreferredActivity pa = it.next(); if (packageName == null || pa.mPref.mComponent.getPackageName().equals(packageName)) { if (outFilters != null) { outFilters.add(new IntentFilter(pa)); } if (outActivities != null) { outActivities.add(pa.mPref.mComponent); } } } } return num; } 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 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER)) { throw new IllegalArgumentException("Invalid new component state: " + newState); } PackageSetting pkgSetting; final int uid = Binder.getCallingUid(); final int permission = mContext.checkCallingPermission( android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); boolean sendNow = false; boolean isApp = (className == null); String componentName = isApp ? packageName : className; int packageUid = -1; ArrayList<String> components; // writer synchronized (mPackages) { pkgSetting = mSettings.mPackages.get(packageName); if (pkgSetting == null) { if (className == null) { throw new IllegalArgumentException( "Unknown package: " + packageName); } throw new IllegalArgumentException( "Unknown component: " + packageName + "/" + className); } if (!allowedByPermission && (uid != pkgSetting.userId)) { throw new SecurityException( "Permission Denial: attempt to change component state from pid=" + Binder.getCallingPid() + ", uid=" + uid + ", package uid=" + pkgSetting.userId); } if (className == null) { // We're dealing with an application/package level state change if (pkgSetting.enabled == newState) { // Nothing to do return; } pkgSetting.enabled = newState; pkgSetting.pkg.mSetEnabled = newState; } else { // We're dealing with a component level state change switch (newState) { case COMPONENT_ENABLED_STATE_ENABLED: if (!pkgSetting.enableComponentLPw(className)) { return; } break; case COMPONENT_ENABLED_STATE_DISABLED: if (!pkgSetting.disableComponentLPw(className)) { return; } break; case COMPONENT_ENABLED_STATE_DEFAULT: if (!pkgSetting.restoreComponentLPw(className)) { return; } break; default: Slog.e(TAG, "Invalid new component state: " + newState); return; } } mSettings.writeLPr(); packageUid = pkgSetting.userId; components = mPendingBroadcasts.get(packageName); final boolean newPackage = components == null; if (newPackage) { components = new ArrayList<String>(); } if (!components.contains(componentName)) { components.add(componentName); } if ((flags&PackageManager.DONT_KILL_APP) == 0) { sendNow = true; // Purge entry from pending broadcast list if another one exists already // since we are sending one right away. mPendingBroadcasts.remove(packageName); } else { if (newPackage) { mPendingBroadcasts.put(packageName, components); } if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { // Schedule a message mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); } } } long callingId = Binder.clearCallingIdentity(); try { if (sendNow) { sendPackageChangedBroadcast(packageName, (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); } } finally { Binder.restoreCallingIdentity(callingId); } } private void sendPackageChangedBroadcast(String packageName, boolean killFlag, ArrayList<String> componentNames, int packageUid) { if (DEBUG_INSTALL) Log.v(TAG, "Sending package changed: package=" + packageName + " components=" + componentNames); Bundle extras = new Bundle(4); extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); String nameList[] = new String[componentNames.size()]; componentNames.toArray(nameList); extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); extras.putInt(Intent.EXTRA_UID, packageUid); sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null); } public void setPackageStoppedState(String packageName, boolean stopped) { final int uid = Binder.getCallingUid(); final int permission = mContext.checkCallingOrSelfPermission( android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); // writer synchronized (mPackages) { if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, uid)) { scheduleWriteStoppedPackagesLocked(); } } } public String getInstallerPackageName(String packageName) { // reader synchronized (mPackages) { return mSettings.getInstallerPackageNameLPr(packageName); } } public int getApplicationEnabledSetting(String packageName) { // reader synchronized (mPackages) { return mSettings.getApplicationEnabledSettingLPr(packageName); } } public int getComponentEnabledSetting(ComponentName componentName) { // reader synchronized (mPackages) { return mSettings.getComponentEnabledSettingLPr(componentName); } } public void enterSafeMode() { enforceSystemOrRoot("Only the system can request entering safe mode"); if (!mSystemReady) { mSafeMode = true; } } public void systemReady() { mSystemReady = true; // Read the compatibilty setting when the system is ready. boolean compatibilityModeEnabled = android.provider.Settings.System.getInt( mContext.getContentResolver(), android.provider.Settings.System.COMPATIBILITY_MODE, 1) == 1; PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); if (DEBUG_SETTINGS) { Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); } } public boolean isSafeMode() { return mSafeMode; } public boolean hasSystemUidErrors() { return mHasSystemUidErrors; } static String arrayToString(int[] array) { StringBuffer buf = new StringBuffer(128); buf.append('['); if (array != null) { for (int i=0; i<array.length; i++) { if (i > 0) buf.append(", "); buf.append(array[i]); } } buf.append(']'); return buf.toString(); } static class DumpState { public static final int DUMP_LIBS = 1 << 0; public static final int DUMP_FEATURES = 1 << 1; public static final int DUMP_RESOLVERS = 1 << 2; public static final int DUMP_PERMISSIONS = 1 << 3; public static final int DUMP_PACKAGES = 1 << 4; public static final int DUMP_SHARED_USERS = 1 << 5; public static final int DUMP_MESSAGES = 1 << 6; public static final int DUMP_PROVIDERS = 1 << 7; public static final int DUMP_VERIFIERS = 1 << 8; public static final int OPTION_SHOW_FILTERS = 1 << 0; private int mTypes; private int mOptions; private boolean mTitlePrinted; private SharedUserSetting mSharedUser; public boolean isDumping(int type) { if (mTypes == 0) { return true; } return (mTypes & type) != 0; } public void setDump(int type) { mTypes |= type; } public boolean isOptionEnabled(int option) { return (mOptions & option) != 0; } public void setOptionEnabled(int option) { mOptions |= option; } public boolean onTitlePrinted() { final boolean printed = mTitlePrinted; mTitlePrinted = true; return printed; } public boolean getTitlePrinted() { return mTitlePrinted; } public void setTitlePrinted(boolean enabled) { mTitlePrinted = enabled; } public SharedUserSetting getSharedUser() { return mSharedUser; } public void setSharedUser(SharedUserSetting user) { mSharedUser = user; } } @Override protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) != PackageManager.PERMISSION_GRANTED) { pw.println("Permission Denial: can't dump ActivityManager from from pid=" + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid() + " without permission " + android.Manifest.permission.DUMP); return; } DumpState dumpState = new DumpState(); String packageName = null; int opti = 0; while (opti < args.length) { String opt = args[opti]; if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { break; } opti++; if ("-a".equals(opt)) { // Right now we only know how to print all. } else if ("-h".equals(opt)) { pw.println("Package manager dump options:"); pw.println(" [-h] [-f] [cmd] ..."); pw.println(" -f: print details of intent filters"); pw.println(" -h: print this help"); pw.println(" cmd may be one of:"); pw.println(" l[ibraries]: list known shared libraries"); pw.println(" f[ibraries]: list device features"); pw.println(" r[esolvers]: dump intent resolvers"); pw.println(" perm[issions]: dump permissions"); pw.println(" prov[iders]: dump content providers"); pw.println(" p[ackages]: dump installed packages"); pw.println(" s[hared-users]: dump shared user IDs"); pw.println(" m[essages]: print collected runtime messages"); pw.println(" v[erifiers]: print package verifier info"); pw.println(" <package.name>: info about given package"); return; } else if ("-f".equals(opt)) { dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); } else { pw.println("Unknown argument: " + opt + "; use -h for help"); } } // Is the caller requesting to dump a particular piece of data? if (opti < args.length) { String cmd = args[opti]; opti++; // Is this a package name? if ("android".equals(cmd) || cmd.contains(".")) { packageName = cmd; } else if ("l".equals(cmd) || "libraries".equals(cmd)) { dumpState.setDump(DumpState.DUMP_LIBS); } else if ("f".equals(cmd) || "features".equals(cmd)) { dumpState.setDump(DumpState.DUMP_FEATURES); } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { dumpState.setDump(DumpState.DUMP_RESOLVERS); } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { dumpState.setDump(DumpState.DUMP_PERMISSIONS); } else if ("p".equals(cmd) || "packages".equals(cmd)) { dumpState.setDump(DumpState.DUMP_PACKAGES); } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { dumpState.setDump(DumpState.DUMP_SHARED_USERS); } else if ("prov".equals(cmd) || "providers".equals(cmd)) { dumpState.setDump(DumpState.DUMP_PROVIDERS); } else if ("m".equals(cmd) || "messages".equals(cmd)) { dumpState.setDump(DumpState.DUMP_MESSAGES); } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { dumpState.setDump(DumpState.DUMP_VERIFIERS); } } // reader synchronized (mPackages) { if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { if (dumpState.onTitlePrinted()) pw.println(" "); pw.println("Verifiers:"); pw.print(" Required: "); pw.print(mRequiredVerifierPackage); pw.print(" (uid="); pw.print(getPackageUid(mRequiredVerifierPackage)); pw.println(")"); } if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { if (dumpState.onTitlePrinted()) pw.println(" "); pw.println("Libraries:"); final Iterator<String> it = mSharedLibraries.keySet().iterator(); while (it.hasNext()) { String name = it.next(); pw.print(" "); pw.print(name); pw.print(" -> "); pw.println(mSharedLibraries.get(name)); } } if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { if (dumpState.onTitlePrinted()) pw.println(" "); pw.println("Features:"); Iterator<String> it = mAvailableFeatures.keySet().iterator(); while (it.hasNext()) { String name = it.next(); pw.print(" "); pw.println(name); } } if (dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" : "Activity Resolver Table:", " ", packageName, dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { dumpState.setTitlePrinted(true); } if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" : "Receiver Resolver Table:", " ", packageName, dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { dumpState.setTitlePrinted(true); } if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" : "Service Resolver Table:", " ", packageName, dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { dumpState.setTitlePrinted(true); } if (mSettings.mPreferredActivities.dump(pw, dumpState.getTitlePrinted() ? "\nPreferred Activities:" : "Preferred Activities:", " ", packageName, dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { dumpState.setTitlePrinted(true); } } if (dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { mSettings.dumpPermissionsLPr(pw, packageName, dumpState); } if (dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { boolean printedSomething = false; for (PackageParser.Provider p : mProvidersByComponent.values()) { if (packageName != null && !packageName.equals(p.info.packageName)) { continue; } if (!printedSomething) { if (dumpState.onTitlePrinted()) pw.println(" "); pw.println("Registered ContentProviders:"); printedSomething = true; } pw.print(" "); pw.print(p.getComponentShortName()); pw.println(":"); pw.print(" "); pw.println(p.toString()); } printedSomething = false; for (Map.Entry<String, PackageParser.Provider> entry : mProviders.entrySet()) { PackageParser.Provider p = entry.getValue(); if (packageName != null && !packageName.equals(p.info.packageName)) { continue; } if (!printedSomething) { if (dumpState.onTitlePrinted()) pw.println(" "); pw.println("ContentProvider Authorities:"); printedSomething = true; } pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); pw.print(" "); pw.println(p.toString()); } } if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { mSettings.dumpPackagesLPr(pw, packageName, dumpState); } if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); } if (dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { if (dumpState.onTitlePrinted()) pw.println(" "); mSettings.dumpReadMessagesLPr(pw, dumpState); pw.println(" "); pw.println("Package warning messages:"); final File fname = getSettingsProblemFile(); FileInputStream in = null; try { in = new FileInputStream(fname); final int avail = in.available(); final byte[] data = new byte[avail]; in.read(data); pw.print(new String(data)); } catch (FileNotFoundException e) { } catch (IOException e) { } finally { if (in != null) { try { in.close(); } catch (IOException e) { } } } } } } // ------- apps on sdcard specific code ------- static final boolean DEBUG_SD_INSTALL = false; private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; private static final String SD_ENCRYPTION_ALGORITHM = "AES"; private boolean mMediaMounted = false; private String getEncryptKey() { try { String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( SD_ENCRYPTION_KEYSTORE_NAME); if (sdEncKey == null) { sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); if (sdEncKey == null) { Slog.e(TAG, "Failed to create encryption keys"); return null; } } return sdEncKey; } catch (NoSuchAlgorithmException nsae) { Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); return null; } catch (IOException ioe) { Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); return null; } } /* package */static String getTempContainerId() { int tmpIdx = 1; String list[] = PackageHelper.getSecureContainerList(); if (list != null) { for (final String name : list) { // Ignore null and non-temporary container entries if (name == null || !name.startsWith(mTempContainerPrefix)) { continue; } String subStr = name.substring(mTempContainerPrefix.length()); try { int cid = Integer.parseInt(subStr); if (cid >= tmpIdx) { tmpIdx = cid + 1; } } catch (NumberFormatException e) { } } } return mTempContainerPrefix + tmpIdx; } /* * Update media status on PackageManager. */ public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { int callingUid = Binder.getCallingUid(); if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { throw new SecurityException("Media status can only be updated by the system"); } // reader; this apparently protects mMediaMounted, but should probably // be a different lock in that case. synchronized (mPackages) { Log.i(TAG, "Updating external media status from " + (mMediaMounted ? "mounted" : "unmounted") + " to " + (mediaStatus ? "mounted" : "unmounted")); if (DEBUG_SD_INSTALL) Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus + ", mMediaMounted=" + mMediaMounted); if (mediaStatus == mMediaMounted) { final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1); mHandler.sendMessage(msg); return; } mMediaMounted = mediaStatus; } // Queue up an async operation since the package installation may take a // little while. mHandler.post(new Runnable() { public void run() { // TODO fix this; this does nothing. mHandler.removeCallbacks(this); updateExternalMediaStatusInner(mediaStatus, reportStatus); } }); } /* * Collect information of applications on external media, map them against * existing containers and update information based on current mount status. * Please note that we always have to report status if reportStatus has been * set to true especially when unloading packages. */ private void updateExternalMediaStatusInner(boolean mediaStatus, boolean reportStatus) { // Collection of uids int uidArr[] = null; // Collection of stale containers HashSet<String> removeCids = new HashSet<String>(); // Collection of packages on external media with valid containers. HashMap<SdInstallArgs, String> processCids = new HashMap<SdInstallArgs, String>(); // Get list of secure containers. final String list[] = PackageHelper.getSecureContainerList(); if (list == null || list.length == 0) { Log.i(TAG, "No secure containers on sdcard"); } else { // Process list of secure containers and categorize them // as active or stale based on their package internal state. int uidList[] = new int[list.length]; int num = 0; // reader synchronized (mPackages) { for (String cid : list) { SdInstallArgs args = new SdInstallArgs(cid); if (DEBUG_SD_INSTALL) Log.i(TAG, "Processing container " + cid); String pkgName = args.getPackageName(); if (pkgName == null) { if (DEBUG_SD_INSTALL) Log.i(TAG, "Container : " + cid + " stale"); removeCids.add(cid); continue; } if (DEBUG_SD_INSTALL) Log.i(TAG, "Looking for pkg : " + pkgName); PackageSetting ps = mSettings.mPackages.get(pkgName); // The package status is changed only if the code path // matches between settings and the container id. if (ps != null && ps.codePathString != null && ps.codePathString.equals(args.getCodePath())) { if (DEBUG_SD_INSTALL) Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName + " at code path: " + ps.codePathString); // We do have a valid package installed on sdcard processCids.put(args, ps.codePathString); int uid = ps.userId; if (uid != -1) { uidList[num++] = uid; } } else { // Stale container on sdcard. Just delete if (DEBUG_SD_INSTALL) Log.i(TAG, "Container : " + cid + " stale"); removeCids.add(cid); } } } if (num > 0) { // Sort uid list Arrays.sort(uidList, 0, num); // Throw away duplicates uidArr = new int[num]; uidArr[0] = uidList[0]; int di = 0; for (int i = 1; i < num; i++) { if (uidList[i - 1] != uidList[i]) { uidArr[di++] = uidList[i]; } } } } // Process packages with valid entries. if (mediaStatus) { if (DEBUG_SD_INSTALL) Log.i(TAG, "Loading packages"); loadMediaPackages(processCids, uidArr, removeCids); startCleaningPackages(); } else { if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading packages"); unloadMediaPackages(processCids, uidArr, reportStatus); } } private void sendResourcesChangedBroadcast(boolean mediaStatus, ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { int size = pkgList.size(); if (size > 0) { // Send broadcasts here Bundle extras = new Bundle(); extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList .toArray(new String[size])); if (uidArr != null) { extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); } String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; sendPackageBroadcast(action, null, extras, null, finishedReceiver); } } /* * Look at potentially valid container ids from processCids If package * information doesn't match the one on record or package scanning fails, * the cid is added to list of removeCids. We currently don't delete stale * containers. */ private void loadMediaPackages(HashMap<SdInstallArgs, String> processCids, int uidArr[], HashSet<String> removeCids) { ArrayList<String> pkgList = new ArrayList<String>(); Set<SdInstallArgs> keys = processCids.keySet(); boolean doGc = false; for (SdInstallArgs args : keys) { String codePath = processCids.get(args); if (DEBUG_SD_INSTALL) Log.i(TAG, "Loading container : " + args.cid); int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; try { // Make sure there are no container errors first. if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { Slog.e(TAG, "Failed to mount cid : " + args.cid + " when installing from sdcard"); continue; } // Check code path here. if (codePath == null || !codePath.equals(args.getCodePath())) { Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() + " does not match one in settings " + codePath); continue; } // Parse package int parseFlags = PackageParser.PARSE_ON_SDCARD | mDefParseFlags; doGc = true; synchronized (mInstallLock) { final PackageParser.Package pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0); // Scan the package if (pkg != null) { /* * TODO why is the lock being held? doPostInstall is * called in other places without the lock. This needs * to be straightened out. */ // writer synchronized (mPackages) { retCode = PackageManager.INSTALL_SUCCEEDED; pkgList.add(pkg.packageName); // Post process args args.doPostInstall(PackageManager.INSTALL_SUCCEEDED); } } else { Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); } } } finally { if (retCode != PackageManager.INSTALL_SUCCEEDED) { // Don't destroy container here. Wait till gc clears things // up. removeCids.add(args.cid); } } } // writer synchronized (mPackages) { // If the platform SDK has changed since the last time we booted, // we need to re-grant app permission to catch any new ones that // appear. This is really a hack, and means that apps can in some // cases get permissions that the user didn't initially explicitly // allow... it would be nice to have some better way to handle // this situation. final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; if (regrantPermissions) Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " + mSdkVersion + "; regranting permissions for external storage"); mSettings.mExternalSdkPlatform = mSdkVersion; // Make sure group IDs have been assigned, and any permission // changes in other apps are accounted for updatePermissionsLPw(null, null, true, regrantPermissions, regrantPermissions); // can downgrade to reader // Persist settings mSettings.writeLPr(); } // Send a broadcast to let everyone know we are done processing if (pkgList.size() > 0) { sendResourcesChangedBroadcast(true, pkgList, uidArr, null); } // Force gc to avoid any stale parser references that we might have. if (doGc) { Runtime.getRuntime().gc(); } // List stale containers and destroy stale temporary containers. if (removeCids != null) { for (String cid : removeCids) { if (cid.startsWith(mTempContainerPrefix)) { Log.i(TAG, "Destroying stale temporary container " + cid); PackageHelper.destroySdDir(cid); } else { Log.w(TAG, "Container " + cid + " is stale"); } } } } /* * Utility method to unload a list of specified containers */ private void unloadAllContainers(Set<SdInstallArgs> cidArgs) { // Just unmount all valid containers. for (SdInstallArgs arg : cidArgs) { synchronized (mInstallLock) { arg.doPostDeleteLI(false); } } } /* * Unload packages mounted on external media. This involves deleting package * data from internal structures, sending broadcasts about diabled packages, * gc'ing to free up references, unmounting all secure containers * corresponding to packages on external media, and posting a * UPDATED_MEDIA_STATUS message if status has been requested. Please note * that we always have to post this message if status has been requested no * matter what. */ private void unloadMediaPackages(HashMap<SdInstallArgs, String> processCids, int uidArr[], final boolean reportStatus) { if (DEBUG_SD_INSTALL) Log.i(TAG, "unloading media packages"); ArrayList<String> pkgList = new ArrayList<String>(); ArrayList<SdInstallArgs> failedList = new ArrayList<SdInstallArgs>(); final Set<SdInstallArgs> keys = processCids.keySet(); for (SdInstallArgs args : keys) { String pkgName = args.getPackageName(); if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to unload pkg : " + pkgName); // Delete package internally PackageRemovedInfo outInfo = new PackageRemovedInfo(); synchronized (mInstallLock) { boolean res = deletePackageLI(pkgName, false, PackageManager.DONT_DELETE_DATA, outInfo, false); if (res) { pkgList.add(pkgName); } else { Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); failedList.add(args); } } } // reader synchronized (mPackages) { // We didn't update the settings after removing each package; // write them now for all packages. mSettings.writeLPr(); } // We have to absolutely send UPDATED_MEDIA_STATUS only // after confirming that all the receivers processed the ordered // broadcast when packages get disabled, force a gc to clean things up. // and unload all the containers. if (pkgList.size() > 0) { sendResourcesChangedBroadcast(false, pkgList, uidArr, new IIntentReceiver.Stub() { public void performReceive(Intent intent, int resultCode, String data, Bundle extras, boolean ordered, boolean sticky) 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; // reader synchronized (mPackages) { PackageParser.Package pkg = mPackages.get(packageName); if (pkg == null) { returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; } else { // Disable moving fwd locked apps and system packages if (pkg.applicationInfo != null && isSystemApp(pkg)) { Slog.w(TAG, "Cannot move system application"); returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; } else if (pkg.applicationInfo != null && isForwardLocked(pkg)) { Slog.w(TAG, "Cannot move forward locked app."); returnCode = PackageManager.MOVE_FAILED_FORWARD_LOCKED; } else if (pkg.mOperationPending) { Slog.w(TAG, "Attempt to move package which has pending operations"); returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; } else { // Find install location first if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 && (flags & PackageManager.MOVE_INTERNAL) != 0) { Slog.w(TAG, "Ambigous flags specified for move location."); returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; } else { newFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; currFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; if (newFlags == currFlags) { Slog.w(TAG, "No move required. Trying to move to same location"); returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; } } if (returnCode == PackageManager.MOVE_SUCCEEDED) { pkg.mOperationPending = true; } } } /* * TODO this next block probably shouldn't be inside the lock. We * can't guarantee these won't change after this is fired off * anyway. */ if (returnCode != PackageManager.MOVE_SUCCEEDED) { processPendingMove(new MoveParams(null, observer, 0, packageName, null), returnCode); } else { Message msg = mHandler.obtainMessage(INIT_COPY); InstallArgs srcArgs = createInstallArgs(currFlags, pkg.applicationInfo.sourceDir, pkg.applicationInfo.publicSourceDir, pkg.applicationInfo.nativeLibraryDir); MoveParams mp = new MoveParams(srcArgs, observer, newFlags, packageName, pkg.applicationInfo.dataDir); msg.obj = mp; mHandler.sendMessage(msg); } } } private void processPendingMove(final MoveParams mp, final int currentStatus) { // Queue up an async operation since the package deletion may take a // little while. mHandler.post(new Runnable() { public void run() { // TODO fix this; this does nothing. mHandler.removeCallbacks(this); int returnCode = currentStatus; if (currentStatus == PackageManager.MOVE_SUCCEEDED) { int uidArr[] = null; ArrayList<String> pkgList = null; synchronized (mPackages) { PackageParser.Package pkg = mPackages.get(mp.packageName); if (pkg == null) { Slog.w(TAG, " Package " + mp.packageName + " doesn't exist. Aborting move"); returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; } else if (!mp.srcArgs.getCodePath().equals(pkg.applicationInfo.sourceDir)) { Slog.w(TAG, "Package " + mp.packageName + " code path changed from " + mp.srcArgs.getCodePath() + " to " + pkg.applicationInfo.sourceDir + " Aborting move and returning error"); returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; } else { uidArr = new int[] { pkg.applicationInfo.uid }; pkgList = new ArrayList<String>(); pkgList.add(mp.packageName); } } if (returnCode == PackageManager.MOVE_SUCCEEDED) { // Send resources unavailable broadcast sendResourcesChangedBroadcast(false, pkgList, uidArr, null); // Update package code and resource paths synchronized (mInstallLock) { synchronized (mPackages) { PackageParser.Package pkg = mPackages.get(mp.packageName); // Recheck for package again. if (pkg == null) { Slog.w(TAG, " Package " + mp.packageName + " doesn't exist. Aborting move"); returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; } else if (!mp.srcArgs.getCodePath().equals( pkg.applicationInfo.sourceDir)) { Slog.w(TAG, "Package " + mp.packageName + " code path changed from " + mp.srcArgs.getCodePath() + " to " + pkg.applicationInfo.sourceDir + " Aborting move and returning error"); returnCode = PackageManager.MOVE_FAILED_INTERNAL_ERROR; } else { final String oldCodePath = pkg.mPath; final String newCodePath = mp.targetArgs.getCodePath(); final String newResPath = mp.targetArgs.getResourcePath(); final String newNativePath = mp.targetArgs .getNativeLibraryPath(); if ((mp.flags & PackageManager.INSTALL_EXTERNAL) == 0) { if (mInstaller .unlinkNativeLibraryDirectory(pkg.applicationInfo.dataDir) < 0) { returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; } else { NativeLibraryHelper.copyNativeBinariesIfNeededLI(new File( newCodePath), new File(newNativePath)); } } else { if (mInstaller.linkNativeLibraryDirectory( pkg.applicationInfo.dataDir, newNativePath) < 0) { returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; } } if (returnCode == PackageManager.MOVE_SUCCEEDED) { pkg.mPath = newCodePath; // Move dex files around if (moveDexFilesLI(pkg) != PackageManager.INSTALL_SUCCEEDED) { // Moving of dex files failed. Set // error code and abort move. pkg.mPath = pkg.mScanPath; returnCode = PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE; } } if (returnCode == PackageManager.MOVE_SUCCEEDED) { pkg.mScanPath = newCodePath; pkg.applicationInfo.sourceDir = newCodePath; pkg.applicationInfo.publicSourceDir = newResPath; pkg.applicationInfo.nativeLibraryDir = newNativePath; PackageSetting ps = (PackageSetting) pkg.mExtras; ps.codePath = new File(pkg.applicationInfo.sourceDir); ps.codePathString = ps.codePath.getPath(); ps.resourcePath = new File( pkg.applicationInfo.publicSourceDir); ps.resourcePathString = ps.resourcePath.getPath(); ps.nativeLibraryPathString = newNativePath; // Set the application info flag // correctly. if ((mp.flags & PackageManager.INSTALL_EXTERNAL) != 0) { pkg.applicationInfo.flags |= ApplicationInfo.FLAG_EXTERNAL_STORAGE; } else { pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_EXTERNAL_STORAGE; } ps.setFlags(pkg.applicationInfo.flags); mAppDirs.remove(oldCodePath); mAppDirs.put(newCodePath, pkg); // Persist settings mSettings.writeLPr(); } } } } // Send resources available broadcast sendResourcesChangedBroadcast(true, pkgList, uidArr, null); } } if (returnCode != PackageManager.MOVE_SUCCEEDED) { // Clean up failed installation if (mp.targetArgs != null) { mp.targetArgs.doPostInstall(PackageManager.INSTALL_FAILED_INTERNAL_ERROR); } } else { // Force a gc to clear things up. Runtime.getRuntime().gc(); // Delete older code synchronized (mInstallLock) { mp.srcArgs.doPostDeleteLI(true); } } // Allow more operations on this file if we didn't fail because // an operation was already pending for this package. if (returnCode != PackageManager.MOVE_FAILED_OPERATION_PENDING) { synchronized (mPackages) { PackageParser.Package pkg = mPackages.get(mp.packageName); if (pkg != null) { pkg.mOperationPending = false; } } } IPackageMoveObserver observer = mp.observer; if (observer != null) { try { observer.packageMoved(mp.packageName, returnCode); } catch (RemoteException e) { Log.i(TAG, "Observer no longer exists."); } } } }); } public boolean setInstallLocation(int loc) { mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, null); if (getInstallLocation() == loc) { return true; } if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL || loc == PackageHelper.APP_INSTALL_EXTERNAL) { android.provider.Settings.System.putInt(mContext.getContentResolver(), android.provider.Settings.Secure.DEFAULT_INSTALL_LOCATION, loc); return true; } return false; } public int getInstallLocation() { return android.provider.Settings.System.getInt(mContext.getContentResolver(), android.provider.Settings.Secure.DEFAULT_INSTALL_LOCATION, PackageHelper.APP_INSTALL_AUTO); } public UserInfo createUser(String name, int flags) { // TODO(kroot): Add a real permission for creating users enforceSystemOrRoot("Only the system can create users"); // TODO(kroot): fix this API UserInfo userInfo = mUserManager.createUser(name, flags, new ArrayList<ApplicationInfo>()); return userInfo; } public boolean removeUser(int userId) { // TODO(kroot): Add a real permission for removing users enforceSystemOrRoot("Only the system can remove users"); if (userId == 0) { return false; } mUserManager.removeUser(userId); return true; } @Override public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, "Only package verification agents can read the verifier device identity"); synchronized (mPackages) { return mSettings.getVerifierDeviceIdentityLPw(); } } }