/* * Copyright (C) 2006 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.server.pm; import static android.Manifest.permission.GRANT_REVOKE_PERMISSIONS; import static android.Manifest.permission.READ_EXTERNAL_STORAGE; import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; import static android.content.pm.PackageManager.INSTALL_EXTERNAL; import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; import static android.content.pm.PackageManager.INSTALL_FAILED_UID_CHANGED; import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; import static android.content.pm.PackageParser.isApkFile; import static android.os.Process.PACKAGE_INFO_GID; import static android.os.Process.SYSTEM_UID; import static android.system.OsConstants.O_CREAT; import static android.system.OsConstants.O_RDWR; import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER; import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; import static com.android.internal.util.ArrayUtils.appendInt; import static com.android.internal.util.ArrayUtils.removeInt; import android.util.ArrayMap; import com.android.internal.R; 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.os.IParcelFileDescriptorFactory; import com.android.internal.util.ArrayUtils; import com.android.internal.util.FastPrintWriter; import com.android.internal.util.FastXmlSerializer; import com.android.internal.util.IndentingPrintWriter; import com.android.server.EventLogTags; import com.android.server.IntentResolver; import com.android.server.LocalServices; import com.android.server.ServiceThread; import com.android.server.SystemConfig; import com.android.server.Watchdog; import com.android.server.pm.Settings.DatabaseVersion; import com.android.server.storage.DeviceStorageMonitorInternal; import org.xmlpull.v1.XmlSerializer; import android.app.ActivityManager; import android.app.ActivityManagerNative; import android.app.AppGlobals; import android.app.IActivityManager; import android.app.admin.IDevicePolicyManager; import android.app.backup.IBackupManager; import android.app.usage.UsageStats; import android.app.usage.UsageStatsManager; 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.IntentSender.SendIntentException; import android.content.ServiceConnection; 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.IPackageDeleteObserver2; import android.content.pm.IPackageInstallObserver2; import android.content.pm.IPackageInstaller; import android.content.pm.IPackageManager; import android.content.pm.IPackageMoveObserver; import android.content.pm.IPackageStatsObserver; import android.content.pm.InstrumentationInfo; import android.content.pm.KeySet; import android.content.pm.ManifestDigest; import android.content.pm.PackageCleanItem; import android.content.pm.PackageInfo; import android.content.pm.PackageInfoLite; import android.content.pm.PackageInstaller; import android.content.pm.PackageManager; import android.content.pm.PackageManager.LegacyPackageDeleteObserver; import android.content.pm.PackageParser.ActivityIntentInfo; import android.content.pm.PackageParser.PackageLite; import android.content.pm.PackageParser.PackageParserException; import android.content.pm.PackageParser; import android.content.pm.PackageStats; import android.content.pm.PackageUserState; 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.VerificationParams; import android.content.pm.VerifierDeviceIdentity; import android.content.pm.VerifierInfo; import android.content.res.Resources; import android.hardware.display.DisplayManager; import android.net.Uri; import android.os.Binder; import android.os.Build; import android.os.Bundle; import android.os.Environment; import android.os.Environment.UserEnvironment; import android.os.storage.IMountService; import android.os.storage.StorageManager; import android.os.Debug; import android.os.FileUtils; import android.os.Handler; import android.os.IBinder; import android.os.Looper; import android.os.Message; import android.os.Parcel; import android.os.ParcelFileDescriptor; import android.os.Process; import android.os.RemoteException; import android.os.SELinux; import android.os.ServiceManager; import android.os.SystemClock; import android.os.SystemProperties; import android.os.UserHandle; import android.os.UserManager; import android.security.KeyStore; import android.security.SystemKeyStore; import android.system.ErrnoException; import android.system.Os; import android.system.StructStat; import android.text.TextUtils; import android.text.format.DateUtils; import android.util.ArraySet; import android.util.AtomicFile; import android.util.DisplayMetrics; import android.util.EventLog; import android.util.ExceptionUtils; import android.util.Log; import android.util.LogPrinter; import android.util.PrintStreamPrinter; import android.util.Slog; import android.util.SparseArray; import android.util.SparseBooleanArray; import android.view.Display; import java.io.BufferedInputStream; import java.io.BufferedOutputStream; import java.io.BufferedReader; 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.nio.charset.StandardCharsets; import java.security.NoSuchAlgorithmException; import java.security.PublicKey; import java.security.cert.CertificateEncodingException; 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.Iterator; import java.util.List; import java.util.Map; import java.util.Objects; import java.util.Set; import java.util.concurrent.atomic.AtomicBoolean; import java.util.concurrent.atomic.AtomicLong; import dalvik.system.DexFile; import dalvik.system.StaleDexCacheError; import dalvik.system.VMRuntime; import libcore.io.IoUtils; import libcore.util.EmptyArray; /** * 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; static final boolean DEBUG_PREFERRED = false; static final boolean DEBUG_UPGRADE = false; private static final boolean DEBUG_INSTALL = false; private static final boolean DEBUG_REMOVE = false; private static final boolean DEBUG_BROADCASTS = false; private static final boolean DEBUG_SHOW_INFO = false; private static final boolean DEBUG_PACKAGE_INFO = false; private static final boolean DEBUG_INTENT_MATCHING = false; private static final boolean DEBUG_PACKAGE_SCANNING = false; private static final boolean DEBUG_VERIFY = false; private static final boolean DEBUG_DEXOPT = false; private static final boolean DEBUG_ABI_SELECTION = false; private static final int RADIO_UID = Process.PHONE_UID; private static final int LOG_UID = Process.LOG_UID; private static final int NFC_UID = Process.NFC_UID; private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; private static final int SHELL_UID = Process.SHELL_UID; // Cap the size of permission trees that 3rd party apps can define private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text // Suffix used during package installation when copying/moving // package apks to install directory. private static final String INSTALL_PACKAGE_SUFFIX = "-"; static final int SCAN_NO_DEX = 1<<1; static final int SCAN_FORCE_DEX = 1<<2; static final int SCAN_UPDATE_SIGNATURE = 1<<3; static final int SCAN_NEW_INSTALL = 1<<4; static final int SCAN_NO_PATHS = 1<<5; static final int SCAN_UPDATE_TIME = 1<<6; static final int SCAN_DEFER_DEX = 1<<7; static final int SCAN_BOOTING = 1<<8; static final int SCAN_TRUSTED_OVERLAY = 1<<9; static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; static final int SCAN_REPLACING = 1<<11; static final int REMOVE_CHATTY = 1<<16; /** * Timeout (in milliseconds) after which the watchdog should declare that * our handler thread is wedged. The usual default for such things is one * minute but we sometimes do very lengthy I/O operations on this thread, * such as installing multi-gigabyte applications, so ours needs to be longer. */ private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes /** * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL * settings entry if available, otherwise we use the hardcoded default. If it's been * more than this long since the last fstrim, we force one during the boot sequence. * * This backstops other fstrim scheduling: if the device is alive at midnight+idle, * one gets run at the next available charging+idle time. This final mandatory * no-fstrim check kicks in only of the other scheduling criteria is never met. */ private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; /** * Whether verification is enabled by default. */ private static final boolean DEFAULT_VERIFY_ENABLE = true; /** * The default maximum time to wait for the verification agent to return in * milliseconds. */ private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; /** * The default response for package verification timeout. * * This can be either PackageManager.VERIFICATION_ALLOW or * PackageManager.VERIFICATION_REJECT. */ private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( DEFAULT_CONTAINER_PACKAGE, "com.android.defcontainer.DefaultContainerService"); private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; private static String sPreferredInstructionSet; final ServiceThread mHandlerThread; private static final String IDMAP_PREFIX = "/data/resource-cache/"; private static final String IDMAP_SUFFIX = "@idmap"; final PackageHandler mHandler; /** * Messages for {@link #mHandler} that need to wait for system ready before * being dispatched. */ private ArrayList mPostSystemReadyMessages; final int mSdkVersion = Build.VERSION.SDK_INT; final Context mContext; final boolean mFactoryTest; final boolean mOnlyCore; final boolean mLazyDexOpt; final long mDexOptLRUThresholdInMills; final DisplayMetrics mMetrics; final int mDefParseFlags; final String[] mSeparateProcesses; final boolean mIsUpgrade; // This is where all application persistent data goes. final File mAppDataDir; // This is where all application persistent data goes for secondary users. final File mUserAppDataDir; /** The location for ASEC container files on internal storage. */ final String mAsecInternalPath; // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages // LOCK HELD. Can be called with mInstallLock held. final Installer mInstaller; /** Directory where installed third-party apps stored */ final File mAppInstallDir; /** * Directory to which applications installed internally have their * 32 bit native libraries copied. */ private File mAppLib32InstallDir; // 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 suffix "LI". final Object mInstallLock = new Object(); // ---------------------------------------------------------------- // 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 ArrayMap mPackages = new ArrayMap(); // Tracks available target package names -> overlay package paths. final ArrayMap> mOverlays = new ArrayMap>(); final Settings mSettings; boolean mRestoredSettings; // System configuration read by SystemConfig. final int[] mGlobalGids; final SparseArray> mSystemPermissions; final ArrayMap mAvailableFeatures; // If mac_permissions.xml was found for seinfo labeling. boolean mFoundPolicyFile; // If a recursive restorecon of /data/data/ is needed. private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); public static final class SharedLibraryEntry { public final String path; public final String apk; SharedLibraryEntry(String _path, String _apk) { path = _path; apk = _apk; } } // Currently known shared libraries. final ArrayMap mSharedLibraries = new ArrayMap(); // 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(); // All available providers, for your resolving pleasure. final ProviderIntentResolver mProviders = new ProviderIntentResolver(); // Mapping from provider base names (first directory in content URI codePath) // to the provider information. final ArrayMap mProvidersByAuthority = new ArrayMap(); // Mapping from instrumentation class names to info about them. final ArrayMap mInstrumentation = new ArrayMap(); // Mapping from permission names to info about them. final ArrayMap mPermissionGroups = new ArrayMap(); // Packages whose data we have transfered into another package, thus // should no longer exist. final ArraySet mTransferedPackages = new ArraySet(); // Broadcast actions that are only available to the system. final ArraySet mProtectedBroadcasts = new ArraySet(); /** List of packages waiting for verification. */ final SparseArray mPendingVerification = new SparseArray(); /** Set of packages associated with each app op permission. */ final ArrayMap> mAppOpPermissionPackages = new ArrayMap<>(); final PackageInstallerService mInstallerService; ArraySet mDeferredDexOpt = null; // Cache of users who need badging. SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); /** Token for keys in mPendingVerification. */ private int mPendingVerificationToken = 0; volatile boolean mSystemReady; volatile boolean mSafeMode; volatile boolean mHasSystemUidErrors; ApplicationInfo mAndroidApplication; final ActivityInfo mResolveActivity = new ActivityInfo(); final ResolveInfo mResolveInfo = new ResolveInfo(); ComponentName mResolveComponentName; PackageParser.Package mPlatformPackage; ComponentName mCustomResolverComponentName; boolean mResolverReplaced = false; // Set of pending broadcasts for aggregating enable/disable of components. static class PendingPackageBroadcasts { // for each user id, a map of components within that package> final SparseArray>> mUidMap; public PendingPackageBroadcasts() { mUidMap = new SparseArray>>(2); } public ArrayList get(int userId, String packageName) { ArrayMap> packages = getOrAllocate(userId); return packages.get(packageName); } public void put(int userId, String packageName, ArrayList components) { ArrayMap> packages = getOrAllocate(userId); packages.put(packageName, components); } public void remove(int userId, String packageName) { ArrayMap> packages = mUidMap.get(userId); if (packages != null) { packages.remove(packageName); } } public void remove(int userId) { mUidMap.remove(userId); } public int userIdCount() { return mUidMap.size(); } public int userIdAt(int n) { return mUidMap.keyAt(n); } public ArrayMap> packagesForUserId(int userId) { return mUidMap.get(userId); } public int size() { // total number of pending broadcast entries across all userIds int num = 0; for (int i = 0; i< mUidMap.size(); i++) { num += mUidMap.valueAt(i).size(); } return num; } public void clear() { mUidMap.clear(); } private ArrayMap> getOrAllocate(int userId) { ArrayMap> map = mUidMap.get(userId); if (map == null) { map = new ArrayMap>(); mUidMap.put(userId, map); } return map; } } final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); // Service Connection to remote media container service to copy // package uri's from external media onto secure containers // or internal storage. private IMediaContainerService mContainerService = null; static final int SEND_PENDING_BROADCAST = 1; static final int MCS_BOUND = 3; static final int END_COPY = 4; static final int INIT_COPY = 5; static final int MCS_UNBIND = 6; static final int START_CLEANING_PACKAGE = 7; static final int FIND_INSTALL_LOC = 8; static final int POST_INSTALL = 9; static final int MCS_RECONNECT = 10; static final int MCS_GIVE_UP = 11; static final int UPDATED_MEDIA_STATUS = 12; static final int WRITE_SETTINGS = 13; static final int WRITE_PACKAGE_RESTRICTIONS = 14; static final int PACKAGE_VERIFIED = 15; static final int CHECK_PENDING_VERIFICATION = 16; static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds // Delay time in millisecs static final int BROADCAST_DELAY = 10 * 1000; static UserManagerService sUserManager; // Stores a list of users whose package restrictions file needs to be updated private ArraySet mDirtyUsers = new ArraySet(); final private DefaultContainerConnection mDefContainerConn = new DefaultContainerConnection(); class DefaultContainerConnection implements ServiceConnection { public void onServiceConnected(ComponentName name, IBinder service) { if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); IMediaContainerService imcs = IMediaContainerService.Stub.asInterface(service); mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); } public void onServiceDisconnected(ComponentName name) { if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); } }; // Recordkeeping of restore-after-install operations that are currently in flight // between the Package Manager and the Backup Manager class PostInstallData { public InstallArgs args; public PackageInstalledInfo res; PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { args = _a; res = _r; } }; final SparseArray mRunningInstalls = new SparseArray(); int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows private final String mRequiredVerifierPackage; private final PackageUsage mPackageUsage = new PackageUsage(); private class PackageUsage { private static final int WRITE_INTERVAL = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms private final Object mFileLock = new Object(); private final AtomicLong mLastWritten = new AtomicLong(0); private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); private boolean mIsHistoricalPackageUsageAvailable = true; boolean isHistoricalPackageUsageAvailable() { return mIsHistoricalPackageUsageAvailable; } void write(boolean force) { if (force) { writeInternal(); return; } if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL && !DEBUG_DEXOPT) { return; } if (mBackgroundWriteRunning.compareAndSet(false, true)) { new Thread("PackageUsage_DiskWriter") { @Override public void run() { try { writeInternal(); } finally { mBackgroundWriteRunning.set(false); } } }.start(); } } private void writeInternal() { synchronized (mPackages) { synchronized (mFileLock) { AtomicFile file = getFile(); FileOutputStream f = null; try { f = file.startWrite(); BufferedOutputStream out = new BufferedOutputStream(f); FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); StringBuilder sb = new StringBuilder(); for (PackageParser.Package pkg : mPackages.values()) { if (pkg.mLastPackageUsageTimeInMills == 0) { continue; } sb.setLength(0); sb.append(pkg.packageName); sb.append(' '); sb.append((long)pkg.mLastPackageUsageTimeInMills); sb.append('\n'); out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); } out.flush(); file.finishWrite(f); } catch (IOException e) { if (f != null) { file.failWrite(f); } Log.e(TAG, "Failed to write package usage times", e); } } } mLastWritten.set(SystemClock.elapsedRealtime()); } void readLP() { synchronized (mFileLock) { AtomicFile file = getFile(); BufferedInputStream in = null; try { in = new BufferedInputStream(file.openRead()); StringBuffer sb = new StringBuffer(); while (true) { String packageName = readToken(in, sb, ' '); if (packageName == null) { break; } String timeInMillisString = readToken(in, sb, '\n'); if (timeInMillisString == null) { throw new IOException("Failed to find last usage time for package " + packageName); } PackageParser.Package pkg = mPackages.get(packageName); if (pkg == null) { continue; } long timeInMillis; try { timeInMillis = Long.parseLong(timeInMillisString.toString()); } catch (NumberFormatException e) { throw new IOException("Failed to parse " + timeInMillisString + " as a long.", e); } pkg.mLastPackageUsageTimeInMills = timeInMillis; } } catch (FileNotFoundException expected) { mIsHistoricalPackageUsageAvailable = false; } catch (IOException e) { Log.w(TAG, "Failed to read package usage times", e); } finally { IoUtils.closeQuietly(in); } } mLastWritten.set(SystemClock.elapsedRealtime()); } private String readToken(InputStream in, StringBuffer sb, char endOfToken) throws IOException { sb.setLength(0); while (true) { int ch = in.read(); if (ch == -1) { if (sb.length() == 0) { return null; } throw new IOException("Unexpected EOF"); } if (ch == endOfToken) { return sb.toString(); } sb.append((char)ch); } } private AtomicFile getFile() { File dataDir = Environment.getDataDirectory(); File systemDir = new File(dataDir, "system"); File fname = new File(systemDir, "package-usage.list"); return new AtomicFile(fname); } } class PackageHandler extends Handler { private boolean mBound = false; final ArrayList mPendingInstalls = new ArrayList(); private boolean connectToService() { if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + " DefaultContainerService"); Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); if (mContext.bindServiceAsUser(service, mDefContainerConn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); mBound = true; return true; } Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); return false; } private void disconnectService() { mContainerService = null; mBound = false; Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); mContext.unbindService(mDefContainerConn); Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); } PackageHandler(Looper looper) { super(looper); } public void handleMessage(Message msg) { try { doHandleMessage(msg); } finally { Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); } } void doHandleMessage(Message msg) { switch (msg.what) { case INIT_COPY: { HandlerParams params = (HandlerParams) msg.obj; int idx = mPendingInstalls.size(); if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); // If a bind was already initiated we dont really // need to do anything. The pending install // will be processed later on. if (!mBound) { // If this is the only one pending we might // have to bind to the service again. if (!connectToService()) { Slog.e(TAG, "Failed to bind to media container service"); params.serviceError(); return; } else { // Once we bind to the service, the first // pending request will be processed. mPendingInstalls.add(idx, params); } } else { mPendingInstalls.add(idx, params); // Already bound to the service. Just make // sure we trigger off processing the first request. if (idx == 0) { mHandler.sendEmptyMessage(MCS_BOUND); } } break; } case MCS_BOUND: { if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); if (msg.obj != null) { mContainerService = (IMediaContainerService) msg.obj; } if (mContainerService == null) { // Something seriously wrong. Bail out Slog.e(TAG, "Cannot bind to media container service"); for (HandlerParams params : mPendingInstalls) { // Indicate service bind error params.serviceError(); } mPendingInstalls.clear(); } else if (mPendingInstalls.size() > 0) { HandlerParams params = mPendingInstalls.get(0); if (params != null) { if (params.startCopy()) { // We are done... look for more work or to // go idle. if (DEBUG_SD_INSTALL) Log.i(TAG, "Checking for more work or unbind..."); // Delete pending install if (mPendingInstalls.size() > 0) { mPendingInstalls.remove(0); } if (mPendingInstalls.size() == 0) { if (mBound) { if (DEBUG_SD_INSTALL) Log.i(TAG, "Posting delayed MCS_UNBIND"); removeMessages(MCS_UNBIND); Message ubmsg = obtainMessage(MCS_UNBIND); // Unbind after a little delay, to avoid // continual thrashing. sendMessageDelayed(ubmsg, 10000); } } else { // There are more pending requests in queue. // Just post MCS_BOUND message to trigger processing // of next pending install. if (DEBUG_SD_INSTALL) Log.i(TAG, "Posting MCS_BOUND for next work"); mHandler.sendEmptyMessage(MCS_BOUND); } } } } else { // Should never happen ideally. Slog.w(TAG, "Empty queue"); } break; } case MCS_RECONNECT: { if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); if (mPendingInstalls.size() > 0) { if (mBound) { disconnectService(); } if (!connectToService()) { Slog.e(TAG, "Failed to bind to media container service"); for (HandlerParams params : mPendingInstalls) { // Indicate service bind error params.serviceError(); } mPendingInstalls.clear(); } } break; } case MCS_UNBIND: { // If there is no actual work left, then time to unbind. if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { if (mBound) { if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); disconnectService(); } } else if (mPendingInstalls.size() > 0) { // There are more pending requests in queue. // Just post MCS_BOUND message to trigger processing // of next pending install. mHandler.sendEmptyMessage(MCS_BOUND); } break; } case MCS_GIVE_UP: { if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); mPendingInstalls.remove(0); break; } case SEND_PENDING_BROADCAST: { String packages[]; ArrayList 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]; int i = 0; // filling out the above arrays for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { int packageUserId = mPendingBroadcasts.userIdAt(n); Iterator>> it = mPendingBroadcasts.packagesForUserId(packageUserId) .entrySet().iterator(); while (it.hasNext() && i < size) { Map.Entry> ent = it.next(); packages[i] = ent.getKey(); components[i] = ent.getValue(); PackageSetting ps = mSettings.mPackages.get(ent.getKey()); uids[i] = (ps != null) ? UserHandle.getUid(packageUserId, ps.appId) : -1; i++; } } size = i; mPendingBroadcasts.clear(); } // Send broadcasts for (int i = 0; i < size; i++) { sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); } Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); break; } case START_CLEANING_PACKAGE: { Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); final String packageName = (String)msg.obj; final int userId = msg.arg1; final boolean andCode = msg.arg2 != 0; synchronized (mPackages) { if (userId == UserHandle.USER_ALL) { int[] users = sUserManager.getUserIds(); for (int user : users) { mSettings.addPackageToCleanLPw( new PackageCleanItem(user, packageName, andCode)); } } else { mSettings.addPackageToCleanLPw( new PackageCleanItem(userId, packageName, andCode)); } } Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); startCleaningPackages(); } break; case POST_INSTALL: { if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); PostInstallData data = mRunningInstalls.get(msg.arg1); mRunningInstalls.delete(msg.arg1); boolean deleteOld = false; if (data != null) { InstallArgs args = data.args; PackageInstalledInfo res = data.res; if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { res.removedInfo.sendBroadcast(false, true, false); Bundle extras = new Bundle(1); extras.putInt(Intent.EXTRA_UID, res.uid); // Determine the set of users who are adding this // package for the first time vs. those who are seeing // an update. int[] firstUsers; int[] updateUsers = new int[0]; if (res.origUsers == null || res.origUsers.length == 0) { firstUsers = res.newUsers; } else { firstUsers = new int[0]; for (int i=0; i AVAILABLE"); } int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; ArrayList pkgList = new ArrayList(1); pkgList.add(res.pkg.applicationInfo.packageName); sendResourcesChangedBroadcast(true, true, pkgList,uidArray, null); } } if (res.removedInfo.args != null) { // Remove the replaced package's older resources safely now deleteOld = true; } // Log current value of "unknown sources" setting EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, getUnknownSourcesSettings()); } // Force a gc to clear up things Runtime.getRuntime().gc(); // We delete after a gc for applications on sdcard. if (deleteOld) { synchronized (mInstallLock) { res.removedInfo.args.doPostDeleteLI(true); } } if (args.observer != null) { try { Bundle extras = extrasForInstallResult(res); args.observer.onPackageInstalled(res.name, res.returnCode, res.returnMsg, extras); } 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 args = (Set) msg.obj; if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); // Unload containers unloadAllContainers(args); } if (reportStatus) { try { if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); PackageHelper.getMountService().finishMediaUpdate(); } catch (RemoteException e) { Log.e(TAG, "MountService not running?"); } } } break; case WRITE_SETTINGS: { Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); synchronized (mPackages) { removeMessages(WRITE_SETTINGS); removeMessages(WRITE_PACKAGE_RESTRICTIONS); mSettings.writeLPr(); mDirtyUsers.clear(); } Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); } break; case WRITE_PACKAGE_RESTRICTIONS: { Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); synchronized (mPackages) { removeMessages(WRITE_PACKAGE_RESTRICTIONS); for (int userId : mDirtyUsers) { mSettings.writePackageRestrictionsLPr(userId); } mDirtyUsers.clear(); } Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); } break; case CHECK_PENDING_VERIFICATION: { final int verificationId = msg.arg1; final PackageVerificationState state = mPendingVerification.get(verificationId); if ((state != null) && !state.timeoutExtended()) { final InstallArgs args = state.getInstallArgs(); final Uri originUri = Uri.fromFile(args.origin.resolvedFile); Slog.i(TAG, "Verification timed out for " + originUri); mPendingVerification.remove(verificationId); int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { Slog.i(TAG, "Continuing with installation of " + originUri); state.setVerifierResponse(Binder.getCallingUid(), PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); broadcastPackageVerified(verificationId, originUri, PackageManager.VERIFICATION_ALLOW, state.getInstallArgs().getUser()); try { ret = args.copyApk(mContainerService, true); } catch (RemoteException e) { Slog.e(TAG, "Could not contact the ContainerService"); } } else { broadcastPackageVerified(verificationId, originUri, PackageManager.VERIFICATION_REJECT, state.getInstallArgs().getUser()); } processPendingInstall(args, ret); mHandler.sendEmptyMessage(MCS_UNBIND); } break; } case PACKAGE_VERIFIED: { final int verificationId = msg.arg1; final PackageVerificationState state = mPendingVerification.get(verificationId); if (state == null) { Slog.w(TAG, "Invalid verification token " + verificationId + " received"); break; } final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; state.setVerifierResponse(response.callerUid, response.code); if (state.isVerificationComplete()) { mPendingVerification.remove(verificationId); final InstallArgs args = state.getInstallArgs(); final Uri originUri = Uri.fromFile(args.origin.resolvedFile); int ret; if (state.isInstallAllowed()) { ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; broadcastPackageVerified(verificationId, originUri, response.code, state.getInstallArgs().getUser()); try { ret = args.copyApk(mContainerService, true); } catch (RemoteException e) { Slog.e(TAG, "Could not contact the ContainerService"); } } else { ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; } processPendingInstall(args, ret); mHandler.sendEmptyMessage(MCS_UNBIND); } break; } } } } Bundle extrasForInstallResult(PackageInstalledInfo res) { Bundle extras = null; switch (res.returnCode) { case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { extras = new Bundle(); extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, res.origPermission); extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, res.origPackage); break; } } return extras; } void scheduleWriteSettingsLocked() { if (!mHandler.hasMessages(WRITE_SETTINGS)) { mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); } } void scheduleWritePackageRestrictionsLocked(int userId) { if (!sUserManager.exists(userId)) return; mDirtyUsers.add(userId); if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); } } public static final PackageManagerService main(Context context, Installer installer, boolean factoryTest, boolean onlyCore) { PackageManagerService m = new PackageManagerService(context, installer, factoryTest, onlyCore); ServiceManager.addService("package", m); return m; } static String[] splitString(String str, char sep) { int count = 1; int i = 0; while ((i=str.indexOf(sep, i)) >= 0) { count++; i++; } String[] res = new String[count]; i=0; count = 0; int lastI=0; while ((i=str.indexOf(sep, i)) >= 0) { res[count] = str.substring(lastI, i); count++; i++; lastI = i; } res[count] = str.substring(lastI, str.length()); return res; } private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { DisplayManager displayManager = (DisplayManager) context.getSystemService( Context.DISPLAY_SERVICE); displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); } public PackageManagerService(Context context, Installer installer, boolean factoryTest, boolean onlyCore) { EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, SystemClock.uptimeMillis()); if (mSdkVersion <= 0) { Slog.w(TAG, "**** ro.build.version.sdk not set!"); } mContext = context; mFactoryTest = factoryTest; mOnlyCore = onlyCore; mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); mMetrics = new DisplayMetrics(); mSettings = new Settings(context); mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); mSettings.addSharedUserLPw("android.uid.log", LOG_UID, ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); // TODO: add a property to control this? long dexOptLRUThresholdInMinutes; if (mLazyDexOpt) { dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. } else { dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. } mDexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; String separateProcesses = SystemProperties.get("debug.separate_processes"); if (separateProcesses != null && separateProcesses.length() > 0) { if ("*".equals(separateProcesses)) { mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; mSeparateProcesses = null; Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); } else { mDefParseFlags = 0; mSeparateProcesses = separateProcesses.split(","); Slog.w(TAG, "Running with debug.separate_processes: " + separateProcesses); } } else { mDefParseFlags = 0; mSeparateProcesses = null; } mInstaller = installer; getDefaultDisplayMetrics(context, mMetrics); SystemConfig systemConfig = SystemConfig.getInstance(); mGlobalGids = systemConfig.getGlobalGids(); mSystemPermissions = systemConfig.getSystemPermissions(); mAvailableFeatures = systemConfig.getAvailableFeatures(); synchronized (mInstallLock) { // writer synchronized (mPackages) { mHandlerThread = new ServiceThread(TAG, Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); mHandlerThread.start(); mHandler = new PackageHandler(mHandlerThread.getLooper()); Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); File dataDir = Environment.getDataDirectory(); mAppDataDir = new File(dataDir, "data"); mAppInstallDir = new File(dataDir, "app"); mAppLib32InstallDir = new File(dataDir, "app-lib"); mAsecInternalPath = new File(dataDir, "app-asec").getPath(); mUserAppDataDir = new File(dataDir, "user"); mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); sUserManager = new UserManagerService(context, this, mInstallLock, mPackages); // Propagate permission configuration in to package manager. ArrayMap permConfig = systemConfig.getPermissions(); for (int i=0; i libConfig = systemConfig.getSharedLibraries(); for (int i=0; i alreadyDexOpted = new ArraySet(); /** * Add everything in the in the boot class path to the * list of process files because dexopt will have been run * if necessary during zygote startup. */ final String bootClassPath = System.getenv("BOOTCLASSPATH"); final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); if (bootClassPath != null) { String[] bootClassPathElements = splitString(bootClassPath, ':'); for (String element : bootClassPathElements) { alreadyDexOpted.add(element); } } else { Slog.w(TAG, "No BOOTCLASSPATH found!"); } if (systemServerClassPath != null) { String[] systemServerClassPathElements = splitString(systemServerClassPath, ':'); for (String element : systemServerClassPathElements) { alreadyDexOpted.add(element); } } else { Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); } final List allInstructionSets = getAllInstructionSets(); final String[] dexCodeInstructionSets = getDexCodeInstructionSets(allInstructionSets.toArray(new String[allInstructionSets.size()])); /** * Ensure all external libraries have had dexopt run on them. */ if (mSharedLibraries.size() > 0) { // NOTE: For now, we're compiling these system "shared libraries" // (and framework jars) into all available architectures. It's possible // to compile them only when we come across an app that uses them (there's // already logic for that in scanPackageLI) but that adds some complexity. for (String dexCodeInstructionSet : dexCodeInstructionSets) { for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { final String lib = libEntry.path; if (lib == null) { continue; } try { byte dexoptRequired = DexFile.isDexOptNeededInternal(lib, null, dexCodeInstructionSet, false); if (dexoptRequired != DexFile.UP_TO_DATE) { alreadyDexOpted.add(lib); // The list of "shared libraries" we have at this point is if (dexoptRequired == DexFile.DEXOPT_NEEDED) { mInstaller.dexopt(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); } else { mInstaller.patchoat(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); } } } 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()); } } } } File frameworkDir = new File(Environment.getRootDirectory(), "framework"); // Gross hack for now: we know this file doesn't contain any // code, so don't dexopt it to avoid the resulting log spew. alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); // Gross hack for now: we know this file is only part of // the boot class path for art, so don't dexopt it to // avoid the resulting log spew. alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); /** * 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 = frameworkDir.list(); if (frameworkFiles != null) { // TODO: We could compile these only for the most preferred ABI. We should // first double check that the dex files for these commands are not referenced // by other system apps. for (String dexCodeInstructionSet : dexCodeInstructionSets) { for (int i=0; i possiblyDeletedUpdatedSystemApps = new ArrayList(); final ArrayMap expectingBetter = new ArrayMap<>(); if (!mOnlyCore) { Iterator psit = mSettings.mPackages.values().iterator(); while (psit.hasNext()) { PackageSetting ps = psit.next(); /* * If this is not a system app, it can't be a * disable system app. */ if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { continue; } /* * If the package is scanned, it's not erased. */ final PackageParser.Package scannedPkg = mPackages.get(ps.name); if (scannedPkg != null) { /* * If the system app is both scanned and in the * disabled packages list, then it must have been * added via OTA. Remove it from the currently * scanned package so the previously user-installed * application can be scanned. */ if (mSettings.isDisabledSystemPackageLPr(ps.name)) { logCriticalInfo(Log.WARN, "Expecting better updated system app for " + ps.name + "; removing system app. Last known codePath=" + ps.codePathString + ", installStatus=" + ps.installStatus + ", versionCode=" + ps.versionCode + "; scanned versionCode=" + scannedPkg.mVersionCode); removePackageLI(ps, true); expectingBetter.put(ps.name, ps.codePath); } continue; } if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { psit.remove(); logCriticalInfo(Log.WARN, "System package " + ps.name + " no longer exists; wiping its data"); removeDataDirsLI(ps.name); } else { final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { possiblyDeletedUpdatedSystemApps.add(ps.name); } } } } //look for any incomplete package installations ArrayList 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(); // Remove any shared userIDs that have no associated packages mSettings.pruneSharedUsersLPw(); if (!mOnlyCore) { EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, SystemClock.uptimeMillis()); scanDirLI(mAppInstallDir, 0, scanFlags, 0); scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, scanFlags, 0); /** * Remove disable package settings for any updated system * apps that were removed via an OTA. If they're not a * previously-updated app, remove them completely. * Otherwise, just revoke their system-level permissions. */ for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { PackageParser.Package deletedPkg = mPackages.get(deletedAppName); mSettings.removeDisabledSystemPackageLPw(deletedAppName); String msg; if (deletedPkg == null) { msg = "Updated system package " + deletedAppName + " no longer exists; wiping its data"; removeDataDirsLI(deletedAppName); } else { msg = "Updated system app + " + deletedAppName + " no longer present; removing system privileges for " + deletedAppName; deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; } logCriticalInfo(Log.WARN, msg); } /** * Make sure all system apps that we expected to appear on * the userdata partition actually showed up. If they never * appeared, crawl back and revive the system version. */ for (int i = 0; i < expectingBetter.size(); i++) { final String packageName = expectingBetter.keyAt(i); if (!mPackages.containsKey(packageName)) { final File scanFile = expectingBetter.valueAt(i); logCriticalInfo(Log.WARN, "Expected better " + packageName + " but never showed up; reverting to system"); final int reparseFlags; if (FileUtils.contains(privilegedAppDir, scanFile)) { reparseFlags = PackageParser.PARSE_IS_SYSTEM | PackageParser.PARSE_IS_SYSTEM_DIR | PackageParser.PARSE_IS_PRIVILEGED; } else if (FileUtils.contains(systemAppDir, scanFile)) { reparseFlags = PackageParser.PARSE_IS_SYSTEM | PackageParser.PARSE_IS_SYSTEM_DIR; } else if (FileUtils.contains(vendorAppDir, scanFile)) { reparseFlags = PackageParser.PARSE_IS_SYSTEM | PackageParser.PARSE_IS_SYSTEM_DIR; } else if (FileUtils.contains(oemAppDir, scanFile)) { reparseFlags = PackageParser.PARSE_IS_SYSTEM | PackageParser.PARSE_IS_SYSTEM_DIR; } else { Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); continue; } mSettings.enableSystemPackageLPw(packageName); try { scanPackageLI(scanFile, reparseFlags, scanFlags, 0, null); } catch (PackageManagerException e) { Slog.e(TAG, "Failed to parse original system package: " + e.getMessage()); } } } } // Now that we know all of the shared libraries, update all clients to have // the correct library paths. updateAllSharedLibrariesLPw(); for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { // NOTE: We ignore potential failures here during a system scan (like // the rest of the commands above) because there's precious little we // can do about it. A settings error is reported, though. adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, false /* force dexopt */, false /* defer dexopt */); } // Now that we know all the packages we are keeping, // read and update their last usage times. mPackageUsage.readLP(); EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, SystemClock.uptimeMillis()); Slog.i(TAG, "Time to scan packages: " + ((SystemClock.uptimeMillis()-startTime)/1000f) + " seconds"); // If the platform SDK has changed since the last time we booted, // we need to re-grant app permission to catch any new ones that // appear. This is really a hack, and means that apps can in some // cases get permissions that the user didn't initially explicitly // allow... it would be nice to have some better way to handle // this situation. final boolean regrantPermissions = mSettings.mInternalSdkPlatform != mSdkVersion; if (regrantPermissions) Slog.i(TAG, "Platform changed from " + mSettings.mInternalSdkPlatform + " to " + mSdkVersion + "; regranting permissions for internal storage"); mSettings.mInternalSdkPlatform = mSdkVersion; updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL | (regrantPermissions ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) : 0)); // If this is the first boot, and it is a normal boot, then // we need to initialize the default preferred apps. if (!mRestoredSettings && !onlyCore) { mSettings.readDefaultPreferredAppsLPw(this, 0); } // If this is first boot after an OTA, and a normal boot, then // we need to clear code cache directories. mIsUpgrade = !Build.FINGERPRINT.equals(mSettings.mFingerprint); if (mIsUpgrade && !onlyCore) { Slog.i(TAG, "Build fingerprint changed; clearing code caches"); for (String pkgName : mSettings.mPackages.keySet()) { deleteCodeCacheDirsLI(pkgName); } mSettings.mFingerprint = Build.FINGERPRINT; } // All the changes are done during package scanning. mSettings.updateInternalDatabaseVersion(); // can downgrade to reader mSettings.writeLPr(); EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, SystemClock.uptimeMillis()); mRequiredVerifierPackage = getRequiredVerifierLPr(); } // synchronized (mPackages) } // synchronized (mInstallLock) mInstallerService = new PackageInstallerService(context, this, mAppInstallDir); // 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(); } @Override public boolean isFirstBoot() { return !mRestoredSettings; } @Override public boolean isOnlyCoreApps() { return mOnlyCore; } @Override public boolean isUpgrade() { return mIsUpgrade; } private String getRequiredVerifierLPr() { final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); final List receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); String requiredVerifier = null; final int N = receivers.size(); for (int i = 0; i < N; i++) { final ResolveInfo info = receivers.get(i); if (info.activityInfo == null) { continue; } final String packageName = info.activityInfo.packageName; final PackageSetting ps = mSettings.mPackages.get(packageName); if (ps == null) { continue; } final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; if (!gp.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.wtf(TAG, "Package Manager Crash", e); } throw e; } } void cleanupInstallFailedPackage(PackageSetting ps) { logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); removeDataDirsLI(ps.name); if (ps.codePath != null) { if (ps.codePath.isDirectory()) { FileUtils.deleteContents(ps.codePath); } ps.codePath.delete(); } if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { if (ps.resourcePath.isDirectory()) { FileUtils.deleteContents(ps.resourcePath); } ps.resourcePath.delete(); } mSettings.removePackageLPw(ps.name); } 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=0; i--) { PackageSetting ps = mSettings.mPackages.get(names[i]); out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; } } return out; } @Override public String[] canonicalToCurrentPackageNames(String[] names) { String[] out = new String[names.length]; // reader synchronized (mPackages) { for (int i=names.length-1; i>=0; i--) { String cur = mSettings.mRenamedPackages.get(names[i]); out[i] = cur != null ? cur : names[i]; } } return out; } @Override public int getPackageUid(String packageName, int userId) { if (!sUserManager.exists(userId)) return -1; enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); // reader synchronized (mPackages) { PackageParser.Package p = mPackages.get(packageName); if(p != null) { return UserHandle.getUid(userId, p.applicationInfo.uid); } PackageSetting ps = mSettings.mPackages.get(packageName); if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { return -1; } p = ps.pkg; return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; } } @Override 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; return ps.getGids(); } } // 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; } @Override 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; } } @Override public List queryPermissionsByGroup(String group, int flags) { // reader synchronized (mPackages) { ArrayList out = new ArrayList(10); for (BasePermission p : mSettings.mPermissions.values()) { if (group == null) { if (p.perm == null || p.perm.info.group == null) { out.add(generatePermissionInfo(p, flags)); } } else { if (p.perm != null && group.equals(p.perm.info.group)) { out.add(PackageParser.generatePermissionInfo(p.perm, flags)); } } } if (out.size() > 0) { return out; } return mPermissionGroups.containsKey(group) ? out : null; } } @Override public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { // reader synchronized (mPackages) { return PackageParser.generatePermissionGroupInfo( mPermissionGroups.get(name), flags); } } @Override public List getAllPermissionGroups(int flags) { // reader synchronized (mPackages) { final int N = mPermissionGroups.size(); ArrayList out = new ArrayList(N); for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); } return out; } } private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, int userId) { if (!sUserManager.exists(userId)) return null; PackageSetting ps = mSettings.mPackages.get(packageName); if (ps != null) { if (ps.pkg == null) { PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, flags, userId); if (pInfo != null) { return pInfo.applicationInfo; } return null; } return PackageParser.generateApplicationInfo(ps.pkg, flags, ps.readUserState(userId), userId); } return null; } private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, int userId) { if (!sUserManager.exists(userId)) return null; PackageSetting ps = mSettings.mPackages.get(packageName); if (ps != null) { PackageParser.Package pkg = ps.pkg; if (pkg == null) { if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { return null; } // Only data remains, so we aren't worried about code paths pkg = new PackageParser.Package(packageName); pkg.applicationInfo.packageName = packageName; pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; pkg.applicationInfo.dataDir = getDataPathForPackage(packageName, 0).getPath(); pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; } return generatePackageInfo(pkg, flags, userId); } return null; } @Override public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { if (!sUserManager.exists(userId)) return null; enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); // writer synchronized (mPackages) { PackageParser.Package p = mPackages.get(packageName); if (DEBUG_PACKAGE_INFO) Log.v( TAG, "getApplicationInfo " + packageName + ": " + p); if (p != null) { PackageSetting ps = mSettings.mPackages.get(packageName); if (ps == null) return null; // Note: isEnabledLP() does not apply here - always return info return PackageParser.generateApplicationInfo( p, flags, ps.readUserState(userId), userId); } if ("android".equals(packageName)||"system".equals(packageName)) { return mAndroidApplication; } if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); } } return null; } @Override public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.CLEAR_APP_CACHE, null); // Queue up an async operation since clearing cache may take a little while. mHandler.post(new Runnable() { public void run() { mHandler.removeCallbacks(this); int retCode = -1; synchronized (mInstallLock) { retCode = mInstaller.freeCache(freeStorageSize); if (retCode < 0) { Slog.w(TAG, "Couldn't clear application caches"); } } if (observer != null) { try { observer.onRemoveCompleted(null, (retCode >= 0)); } catch (RemoteException e) { Slog.w(TAG, "RemoveException when invoking call back"); } } } }); } @Override public void freeStorage(final long freeStorageSize, final IntentSender pi) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.CLEAR_APP_CACHE, null); // Queue up an async operation since clearing cache may take a little while. mHandler.post(new Runnable() { public void run() { mHandler.removeCallbacks(this); int retCode = -1; synchronized (mInstallLock) { retCode = mInstaller.freeCache(freeStorageSize); if (retCode < 0) { Slog.w(TAG, "Couldn't clear application caches"); } } if(pi != null) { try { // Callback via pending intent int code = (retCode >= 0) ? 1 : 0; pi.sendIntent(null, code, null, null, null); } catch (SendIntentException e1) { Slog.i(TAG, "Failed to send pending intent"); } } } }); } void freeStorage(long freeStorageSize) throws IOException { synchronized (mInstallLock) { if (mInstaller.freeCache(freeStorageSize) < 0) { throw new IOException("Failed to free enough space"); } } } @Override public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { if (!sUserManager.exists(userId)) return null; enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); synchronized (mPackages) { PackageParser.Activity a = mActivities.mActivities.get(component); if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); if (ps == null) return null; return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), userId); } if (mResolveComponentName.equals(component)) { return PackageParser.generateActivityInfo(mResolveActivity, flags, new PackageUserState(), userId); } } return null; } @Override public boolean activitySupportsIntent(ComponentName component, Intent intent, String resolvedType) { synchronized (mPackages) { PackageParser.Activity a = mActivities.mActivities.get(component); if (a == null) { return false; } for (int i=0; i= 0) { return true; } } return false; } } @Override public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { if (!sUserManager.exists(userId)) return null; enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); synchronized (mPackages) { PackageParser.Activity a = mReceivers.mActivities.get(component); if (DEBUG_PACKAGE_INFO) Log.v( TAG, "getReceiverInfo " + component + ": " + a); if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); if (ps == null) return null; return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), userId); } } return null; } @Override public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { if (!sUserManager.exists(userId)) return null; enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); synchronized (mPackages) { PackageParser.Service s = mServices.mServices.get(component); if (DEBUG_PACKAGE_INFO) Log.v( TAG, "getServiceInfo " + component + ": " + s); if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); if (ps == null) return null; return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), userId); } } return null; } @Override public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { if (!sUserManager.exists(userId)) return null; enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); synchronized (mPackages) { PackageParser.Provider p = mProviders.mProviders.get(component); if (DEBUG_PACKAGE_INFO) Log.v( TAG, "getProviderInfo " + component + ": " + p); if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); if (ps == null) return null; return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), userId); } } return null; } @Override public String[] getSystemSharedLibraryNames() { Set libSet; synchronized (mPackages) { libSet = mSharedLibraries.keySet(); int size = libSet.size(); if (size > 0) { String[] libs = new String[size]; libSet.toArray(libs); return libs; } } return null; } @Override public FeatureInfo[] getSystemAvailableFeatures() { Collection featSet; synchronized (mPackages) { featSet = mAvailableFeatures.values(); int size = featSet.size(); if (size > 0) { FeatureInfo[] features = new FeatureInfo[size+1]; featSet.toArray(features); FeatureInfo fi = new FeatureInfo(); fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", FeatureInfo.GL_ES_VERSION_UNDEFINED); features[size] = fi; return features; } } return null; } @Override public boolean hasSystemFeature(String name) { synchronized (mPackages) { return mAvailableFeatures.containsKey(name); } } private void checkValidCaller(int uid, int userId) { if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) return; throw new SecurityException("Caller uid=" + uid + " is not privileged to communicate with user=" + userId); } @Override 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; } @Override public int checkUidPermission(String permName, int uid) { synchronized (mPackages) { Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); if (obj != null) { GrantedPermissions gp = (GrantedPermissions)obj; if (gp.grantedPermissions.contains(permName)) { return PackageManager.PERMISSION_GRANTED; } } else { ArraySet perms = mSystemPermissions.get(uid); if (perms != null && perms.contains(permName)) { return PackageManager.PERMISSION_GRANTED; } } } return PackageManager.PERMISSION_DENIED; } /** * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. * @param checkShell TODO(yamasani): * @param message the message to log on security exception */ void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, boolean checkShell, String message) { if (userId < 0) { throw new IllegalArgumentException("Invalid userId " + userId); } if (checkShell) { enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); } if (userId == UserHandle.getUserId(callingUid)) return; if (callingUid != Process.SYSTEM_UID && callingUid != 0) { if (requireFullPermission) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); } else { try { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); } catch (SecurityException se) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.INTERACT_ACROSS_USERS, message); } } } } void enforceShellRestriction(String restriction, int callingUid, int userHandle) { if (callingUid == Process.SHELL_UID) { if (userHandle >= 0 && sUserManager.hasUserRestriction(restriction, userHandle)) { throw new SecurityException("Shell does not have permission to access user " + userHandle); } else if (userHandle < 0) { Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" + Debug.getCallers(3)); } } } private BasePermission findPermissionTreeLP(String permName) { for(BasePermission bp : mSettings.mPermissionTrees.values()) { if (permName.startsWith(bp.name) && permName.length() > bp.name.length() && permName.charAt(bp.name.length()) == '.') { return bp; } } return null; } private BasePermission checkPermissionTreeLP(String permName) { if (permName != null) { BasePermission bp = findPermissionTreeLP(permName); if (bp != null) { if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { return bp; } throw new SecurityException("Calling uid " + Binder.getCallingUid() + " is not allowed to add to permission tree " + bp.name + " owned by uid " + bp.uid); } } throw new SecurityException("No permission tree found for " + permName); } static boolean compareStrings(CharSequence s1, CharSequence s2) { if (s1 == null) { return s2 == null; } if (s2 == null) { return false; } if (s1.getClass() != s2.getClass()) { return false; } return s1.equals(s2); } static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { if (pi1.icon != pi2.icon) return false; if (pi1.logo != pi2.logo) return false; if (pi1.protectionLevel != pi2.protectionLevel) return false; if (!compareStrings(pi1.name, pi2.name)) return false; if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; // We'll take care of setting this one. if (!compareStrings(pi1.packageName, pi2.packageName)) return false; // These are not currently stored in settings. //if (!compareStrings(pi1.group, pi2.group)) return false; //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; //if (pi1.labelRes != pi2.labelRes) return false; //if (pi1.descriptionRes != pi2.descriptionRes) return false; return true; } int permissionInfoFootprint(PermissionInfo info) { int size = info.name.length(); if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); return size; } int calculateCurrentPermissionFootprintLocked(BasePermission tree) { int size = 0; for (BasePermission perm : mSettings.mPermissions.values()) { if (perm.uid == tree.uid) { size += perm.name.length() + permissionInfoFootprint(perm.perm.info); } } return size; } void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { // We calculate the max size of permissions defined by this uid and throw // if that plus the size of 'info' would exceed our stated maximum. if (tree.uid != Process.SYSTEM_UID) { final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { throw new SecurityException("Permission tree size cap exceeded"); } } } boolean addPermissionLocked(PermissionInfo info, boolean async) { if (info.labelRes == 0 && info.nonLocalizedLabel == null) { throw new SecurityException("Label must be specified in permission"); } BasePermission tree = checkPermissionTreeLP(info.name); BasePermission bp = mSettings.mPermissions.get(info.name); boolean added = bp == null; boolean changed = true; int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); if (added) { enforcePermissionCapLocked(info, tree); bp = new BasePermission(info.name, tree.sourcePackage, BasePermission.TYPE_DYNAMIC); } else if (bp.type != BasePermission.TYPE_DYNAMIC) { throw new SecurityException( "Not allowed to modify non-dynamic permission " + info.name); } else { if (bp.protectionLevel == fixedLevel && bp.perm.owner.equals(tree.perm.owner) && bp.uid == tree.uid && comparePermissionInfos(bp.perm.info, info)) { changed = false; } } bp.protectionLevel = fixedLevel; info = new PermissionInfo(info); info.protectionLevel = fixedLevel; bp.perm = new PackageParser.Permission(tree.perm.owner, info); bp.perm.info.packageName = tree.perm.info.packageName; bp.uid = tree.uid; if (added) { mSettings.mPermissions.put(info.name, bp); } if (changed) { if (!async) { mSettings.writeLPr(); } else { scheduleWriteSettingsLocked(); } } return added; } @Override public boolean addPermission(PermissionInfo info) { synchronized (mPackages) { return addPermissionLocked(info, false); } } @Override public boolean addPermissionAsync(PermissionInfo info) { synchronized (mPackages) { return addPermissionLocked(info, true); } } @Override 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(); } } } private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { int index = pkg.requestedPermissions.indexOf(bp.name); if (index == -1) { throw new SecurityException("Package " + pkg.packageName + " has not requested permission " + bp.name); } boolean isNormal = ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) == PermissionInfo.PROTECTION_NORMAL); boolean isDangerous = ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) == PermissionInfo.PROTECTION_DANGEROUS); boolean isDevelopment = ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); if (!isNormal && !isDangerous && !isDevelopment) { throw new SecurityException("Permission " + bp.name + " is not a changeable permission type"); } if (isNormal || isDangerous) { if (pkg.requestedPermissionsRequired.get(index)) { throw new SecurityException("Can't change " + bp.name + ". It is required by the application"); } } } @Override public void grantPermission(String packageName, String permissionName) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); synchronized (mPackages) { final PackageParser.Package pkg = mPackages.get(packageName); if (pkg == null) { throw new IllegalArgumentException("Unknown package: " + packageName); } final BasePermission bp = mSettings.mPermissions.get(permissionName); if (bp == null) { throw new IllegalArgumentException("Unknown permission: " + permissionName); } checkGrantRevokePermissions(pkg, bp); final PackageSetting ps = (PackageSetting) pkg.mExtras; if (ps == null) { return; } final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; if (gp.grantedPermissions.add(permissionName)) { if (ps.haveGids) { gp.gids = appendInts(gp.gids, bp.gids); } mSettings.writeLPr(); } } } @Override public void revokePermission(String packageName, String permissionName) { int changedAppId = -1; synchronized (mPackages) { final PackageParser.Package pkg = mPackages.get(packageName); if (pkg == null) { throw new IllegalArgumentException("Unknown package: " + packageName); } if (pkg.applicationInfo.uid != Binder.getCallingUid()) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); } final BasePermission bp = mSettings.mPermissions.get(permissionName); if (bp == null) { throw new IllegalArgumentException("Unknown permission: " + permissionName); } checkGrantRevokePermissions(pkg, bp); final PackageSetting ps = (PackageSetting) pkg.mExtras; if (ps == null) { return; } final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; if (gp.grantedPermissions.remove(permissionName)) { gp.grantedPermissions.remove(permissionName); if (ps.haveGids) { gp.gids = removeInts(gp.gids, bp.gids); } mSettings.writeLPr(); changedAppId = ps.appId; } } if (changedAppId >= 0) { // We changed the perm on someone, kill its processes. IActivityManager am = ActivityManagerNative.getDefault(); if (am != null) { final int callingUserId = UserHandle.getCallingUserId(); final long ident = Binder.clearCallingIdentity(); try { //XXX we should only revoke for the calling user's app permissions, // but for now we impact all users. //am.killUid(UserHandle.getUid(callingUserId, changedAppId), // "revoke " + permissionName); int[] users = sUserManager.getUserIds(); for (int user : users) { am.killUid(UserHandle.getUid(user, changedAppId), "revoke " + permissionName); } } catch (RemoteException e) { } finally { Binder.restoreCallingIdentity(ident); } } } } @Override public boolean isProtectedBroadcast(String actionName) { synchronized (mPackages) { return mProtectedBroadcasts.contains(actionName); } } @Override 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); } } @Override public int checkUidSignatures(int uid1, int uid2) { // Map to base uids. uid1 = UserHandle.getAppId(uid1); uid2 = UserHandle.getAppId(uid2); // reader synchronized (mPackages) { Signature[] s1; Signature[] s2; Object obj = mSettings.getUserIdLPr(uid1); if (obj != null) { if (obj instanceof SharedUserSetting) { s1 = ((SharedUserSetting)obj).signatures.mSignatures; } else if (obj instanceof PackageSetting) { s1 = ((PackageSetting)obj).signatures.mSignatures; } else { return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; } } else { return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; } obj = mSettings.getUserIdLPr(uid2); if (obj != null) { if (obj instanceof SharedUserSetting) { s2 = ((SharedUserSetting)obj).signatures.mSignatures; } else if (obj instanceof PackageSetting) { s2 = ((PackageSetting)obj).signatures.mSignatures; } else { return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; } } else { return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; } return compareSignatures(s1, s2); } } /** * Compares two sets of signatures. Returns: *
* {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, *
* {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, *
* {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, *
* {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, *
* {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. */ 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; } if (s1.length != s2.length) { return PackageManager.SIGNATURE_NO_MATCH; } // Since both signature sets are of size 1, we can compare without HashSets. if (s1.length == 1) { return s1[0].equals(s2[0]) ? PackageManager.SIGNATURE_MATCH : PackageManager.SIGNATURE_NO_MATCH; } ArraySet set1 = new ArraySet(); for (Signature sig : s1) { set1.add(sig); } ArraySet set2 = new ArraySet(); 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; } /** * If the database version for this type of package (internal storage or * external storage) is less than the version where package signatures * were updated, return true. */ private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( DatabaseVersion.SIGNATURE_END_ENTITY)) || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( DatabaseVersion.SIGNATURE_END_ENTITY)); } /** * Used for backward compatibility to make sure any packages with * certificate chains get upgraded to the new style. {@code existingSigs} * will be in the old format (since they were stored on disk from before the * system upgrade) and {@code scannedSigs} will be in the newer format. */ private int compareSignaturesCompat(PackageSignatures existingSigs, PackageParser.Package scannedPkg) { if (!isCompatSignatureUpdateNeeded(scannedPkg)) { return PackageManager.SIGNATURE_NO_MATCH; } ArraySet existingSet = new ArraySet(); for (Signature sig : existingSigs.mSignatures) { existingSet.add(sig); } ArraySet scannedCompatSet = new ArraySet(); for (Signature sig : scannedPkg.mSignatures) { try { Signature[] chainSignatures = sig.getChainSignatures(); for (Signature chainSig : chainSignatures) { scannedCompatSet.add(chainSig); } } catch (CertificateEncodingException e) { scannedCompatSet.add(sig); } } /* * Make sure the expanded scanned set contains all signatures in the * existing one. */ if (scannedCompatSet.equals(existingSet)) { // Migrate the old signatures to the new scheme. existingSigs.assignSignatures(scannedPkg.mSignatures); // The new KeySets will be re-added later in the scanning process. synchronized (mPackages) { mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); } return PackageManager.SIGNATURE_MATCH; } return PackageManager.SIGNATURE_NO_MATCH; } private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { if (isExternal(scannedPkg)) { return mSettings.isExternalDatabaseVersionOlderThan( DatabaseVersion.SIGNATURE_MALFORMED_RECOVER); } else { return mSettings.isInternalDatabaseVersionOlderThan( DatabaseVersion.SIGNATURE_MALFORMED_RECOVER); } } private int compareSignaturesRecover(PackageSignatures existingSigs, PackageParser.Package scannedPkg) { if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { return PackageManager.SIGNATURE_NO_MATCH; } String msg = null; try { if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " + scannedPkg.packageName); return PackageManager.SIGNATURE_MATCH; } } catch (CertificateException e) { msg = e.getMessage(); } logCriticalInfo(Log.INFO, "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); return PackageManager.SIGNATURE_NO_MATCH; } @Override public String[] getPackagesForUid(int uid) { uid = UserHandle.getAppId(uid); // reader synchronized (mPackages) { Object obj = mSettings.getUserIdLPr(uid); if (obj instanceof SharedUserSetting) { final SharedUserSetting sus = (SharedUserSetting) obj; final int N = sus.packages.size(); final String[] res = new String[N]; final Iterator 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; } @Override public String getNameForUid(int uid) { // reader synchronized (mPackages) { Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); if (obj instanceof SharedUserSetting) { final SharedUserSetting sus = (SharedUserSetting) obj; return sus.name + ":" + sus.userId; } else if (obj instanceof PackageSetting) { final PackageSetting ps = (PackageSetting) obj; return ps.name; } } return null; } @Override public int getUidForSharedUser(String sharedUserName) { if(sharedUserName == null) { return -1; } // reader synchronized (mPackages) { final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); if (suid == null) { return -1; } return suid.userId; } } @Override public int getFlagsForUid(int uid) { synchronized (mPackages) { Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); if (obj instanceof SharedUserSetting) { final SharedUserSetting sus = (SharedUserSetting) obj; return sus.pkgFlags; } else if (obj instanceof PackageSetting) { final PackageSetting ps = (PackageSetting) obj; return ps.pkgFlags; } } return 0; } @Override public boolean isUidPrivileged(int uid) { uid = UserHandle.getAppId(uid); // reader synchronized (mPackages) { Object obj = mSettings.getUserIdLPr(uid); if (obj instanceof SharedUserSetting) { final SharedUserSetting sus = (SharedUserSetting) obj; final Iterator it = sus.packages.iterator(); while (it.hasNext()) { if (it.next().isPrivileged()) { return true; } } } else if (obj instanceof PackageSetting) { final PackageSetting ps = (PackageSetting) obj; return ps.isPrivileged(); } } return false; } @Override public String[] getAppOpPermissionPackages(String permissionName) { synchronized (mPackages) { ArraySet pkgs = mAppOpPermissionPackages.get(permissionName); if (pkgs == null) { return null; } return pkgs.toArray(new String[pkgs.size()]); } } @Override public ResolveInfo resolveIntent(Intent intent, String resolvedType, int flags, int userId) { if (!sUserManager.exists(userId)) return null; enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); List query = queryIntentActivities(intent, resolvedType, flags, userId); return chooseBestActivity(intent, resolvedType, flags, query, userId); } @Override public void setLastChosenActivity(Intent intent, String resolvedType, int flags, IntentFilter filter, int match, ComponentName activity) { final int userId = UserHandle.getCallingUserId(); if (DEBUG_PREFERRED) { Log.v(TAG, "setLastChosenActivity intent=" + intent + " resolvedType=" + resolvedType + " flags=" + flags + " filter=" + filter + " match=" + match + " activity=" + activity); filter.dump(new PrintStreamPrinter(System.out), " "); } intent.setComponent(null); List query = queryIntentActivities(intent, resolvedType, flags, userId); // Find any earlier preferred or last chosen entries and nuke them findPreferredActivity(intent, resolvedType, flags, query, 0, false, true, false, userId); // Add the new activity as the last chosen for this filter addPreferredActivityInternal(filter, match, null, activity, false, userId, "Setting last chosen"); } @Override public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { final int userId = UserHandle.getCallingUserId(); if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); List query = queryIntentActivities(intent, resolvedType, flags, userId); return findPreferredActivity(intent, resolvedType, flags, query, 0, false, false, false, userId); } private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, int flags, List query, int userId) { if (query != null) { final int N = query.size(); if (N == 1) { return query.get(0); } else if (N > 1) { final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); // 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 || debug) { Slog.v(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, true, false, debug, userId); if (ri != null) { return ri; } if (userId != 0) { ri = new ResolveInfo(mResolveInfo); ri.activityInfo = new ActivityInfo(ri.activityInfo); ri.activityInfo.applicationInfo = new ApplicationInfo( ri.activityInfo.applicationInfo); ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); return ri; } return mResolveInfo; } } return null; } private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, int flags, List query, boolean debug, int userId) { final int N = query.size(); PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities .get(userId); // Get the list of persistent preferred activities that handle the intent if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); List pprefs = ppir != null ? ppir.queryIntent(intent, resolvedType, (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) : null; if (pprefs != null && pprefs.size() > 0) { final int M = pprefs.size(); for (int i=0; i") + "\n component=" + ppa.mComponent); ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); } final ActivityInfo ai = getActivityInfo(ppa.mComponent, flags | PackageManager.GET_DISABLED_COMPONENTS, userId); if (DEBUG_PREFERRED || debug) { Slog.v(TAG, "Found persistent preferred activity:"); if (ai != null) { ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); } else { Slog.v(TAG, " null"); } } if (ai == null) { // This previously registered persistent preferred activity // component is no longer known. Ignore it and do NOT remove it. continue; } for (int j=0; j query, int priority, boolean always, boolean removeMatches, boolean debug, int userId) { if (!sUserManager.exists(userId)) return null; // writer synchronized (mPackages) { if (intent.getSelector() != null) { intent = intent.getSelector(); } if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); // Try to find a matching persistent preferred activity. ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, debug, userId); // If a persistent preferred activity matched, use it. if (pri != null) { return pri; } PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); // Get the list of preferred activities that handle the intent if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); List prefs = pir != null ? pir.queryIntent(intent, resolvedType, (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) : null; if (prefs != null && prefs.size() > 0) { boolean changed = false; try { // 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 || debug) Slog.v(TAG, "Figuring out best match..."); final int N = query.size(); for (int j=0; j match) { match = ri.match; } } if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" + Integer.toHexString(match)); match &= IntentFilter.MATCH_CATEGORY_MASK; final int M = prefs.size(); for (int i=0; i") + "\n component=" + pa.mPref.mComponent); pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); } if (pa.mPref.mMatch != match) { if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " + Integer.toHexString(pa.mPref.mMatch)); continue; } // If it's not an "always" type preferred activity and that's what we're // looking for, skip it. if (always && !pa.mPref.mAlways) { if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); continue; } final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, flags | PackageManager.GET_DISABLED_COMPONENTS, userId); if (DEBUG_PREFERRED || debug) { Slog.v(TAG, "Found preferred activity:"); if (ai != null) { ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); } else { Slog.v(TAG, " null"); } } if (ai == null) { // This previously registered preferred activity // component is no longer known. Most likely an update // to the app was installed and in the new version this // component no longer exists. Clean it up by removing // it from the preferred activities list, and skip it. Slog.w(TAG, "Removing dangling preferred activity: " + pa.mPref.mComponent); pir.removeFilter(pa); changed = true; continue; } for (int j=0; j matches = getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); if (matches != null) { int size = matches.size(); for (int i = 0; i < size; i++) { if (matches.get(i).getTargetUserId() == targetUserId) return true; } } return false; } private List getMatchingCrossProfileIntentFilters(Intent intent, String resolvedType, int userId) { CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); if (resolver != null) { return resolver.queryIntent(intent, resolvedType, false, userId); } return null; } @Override public List queryIntentActivities(Intent intent, String resolvedType, int flags, int userId) { if (!sUserManager.exists(userId)) return Collections.emptyList(); enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); ComponentName comp = intent.getComponent(); if (comp == null) { if (intent.getSelector() != null) { intent = intent.getSelector(); comp = intent.getComponent(); } } if (comp != null) { final List list = new ArrayList(1); final ActivityInfo ai = getActivityInfo(comp, flags, userId); if (ai != null) { final ResolveInfo ri = new ResolveInfo(); ri.activityInfo = ai; list.add(ri); } return list; } // reader synchronized (mPackages) { final String pkgName = intent.getPackage(); if (pkgName == null) { List matchingFilters = getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); // Check for results that need to skip the current profile. ResolveInfo resolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, resolvedType, flags, userId); if (resolveInfo != null) { List result = new ArrayList(1); result.add(resolveInfo); return result; } // Check for cross profile results. resolveInfo = queryCrossProfileIntents( matchingFilters, intent, resolvedType, flags, userId); // Check for results in the current profile. List result = mActivities.queryIntent( intent, resolvedType, flags, userId); if (resolveInfo != null) { result.add(resolveInfo); Collections.sort(result, mResolvePrioritySorter); } return result; } final PackageParser.Package pkg = mPackages.get(pkgName); if (pkg != null) { return mActivities.queryIntentForPackage(intent, resolvedType, flags, pkg.activities, userId); } return new ArrayList(); } } private ResolveInfo querySkipCurrentProfileIntents( List matchingFilters, Intent intent, String resolvedType, int flags, int sourceUserId) { if (matchingFilters != null) { int size = matchingFilters.size(); for (int i = 0; i < size; i ++) { CrossProfileIntentFilter filter = matchingFilters.get(i); if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { // Checking if there are activities in the target user that can handle the // intent. ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, flags, sourceUserId); if (resolveInfo != null) { return resolveInfo; } } } } return null; } // Return matching ResolveInfo if any for skip current profile intent filters. private ResolveInfo queryCrossProfileIntents( List matchingFilters, Intent intent, String resolvedType, int flags, int sourceUserId) { if (matchingFilters != null) { // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and // match the same intent. For performance reasons, it is better not to // run queryIntent twice for the same userId SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); int size = matchingFilters.size(); for (int i = 0; i < size; i++) { CrossProfileIntentFilter filter = matchingFilters.get(i); int targetUserId = filter.getTargetUserId(); if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 && !alreadyTriedUserIds.get(targetUserId)) { // Checking if there are activities in the target user that can handle the // intent. ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, flags, sourceUserId); if (resolveInfo != null) return resolveInfo; alreadyTriedUserIds.put(targetUserId, true); } } } return null; } private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, String resolvedType, int flags, int sourceUserId) { List resultTargetUser = mActivities.queryIntent(intent, resolvedType, flags, filter.getTargetUserId()); if (resultTargetUser != null && !resultTargetUser.isEmpty()) { return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); } return null; } private ResolveInfo createForwardingResolveInfo(IntentFilter filter, int sourceUserId, int targetUserId) { ResolveInfo forwardingResolveInfo = new ResolveInfo(); String className; if (targetUserId == UserHandle.USER_OWNER) { className = FORWARD_INTENT_TO_USER_OWNER; } else { className = FORWARD_INTENT_TO_MANAGED_PROFILE; } ComponentName forwardingActivityComponentName = new ComponentName( mAndroidApplication.packageName, className); ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, sourceUserId); if (targetUserId == UserHandle.USER_OWNER) { forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; forwardingResolveInfo.noResourceId = true; } forwardingResolveInfo.activityInfo = forwardingActivityInfo; forwardingResolveInfo.priority = 0; forwardingResolveInfo.preferredOrder = 0; forwardingResolveInfo.match = 0; forwardingResolveInfo.isDefault = true; forwardingResolveInfo.filter = filter; forwardingResolveInfo.targetUserId = targetUserId; return forwardingResolveInfo; } @Override public List queryIntentActivityOptions(ComponentName caller, Intent[] specifics, String[] specificTypes, Intent intent, String resolvedType, int flags, int userId) { if (!sUserManager.exists(userId)) return Collections.emptyList(); enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activity options"); final String resultsAction = intent.getAction(); List results = queryIntentActivities(intent, resolvedType, flags | PackageManager.GET_RESOLVED_FILTER, userId); if (DEBUG_INTENT_MATCHING) { Log.v(TAG, "Query " + intent + ": " + results); } int specificsPos = 0; int N; // todo: note that the algorithm used here is O(N^2). This // isn't a problem in our current environment, but if we start running // into situations where we have more than 5 or 10 matches then this // should probably be changed to something smarter... // First we go through and resolve each of the specific items // that were supplied, taking care of removing any corresponding // duplicate items in the generic resolve list. if (specifics != null) { for (int i=0; i it = rii.filter.actionsIterator(); if (it == null) { continue; } while (it.hasNext()) { final String action = it.next(); if (resultsAction != null && resultsAction.equals(action)) { // If this action was explicitly requested, then don't // remove things that have it. continue; } for (int j=i+1; j queryIntentReceivers(Intent intent, String resolvedType, int flags, int userId) { if (!sUserManager.exists(userId)) return Collections.emptyList(); ComponentName comp = intent.getComponent(); if (comp == null) { if (intent.getSelector() != null) { intent = intent.getSelector(); comp = intent.getComponent(); } } if (comp != null) { List list = new ArrayList(1); ActivityInfo ai = getReceiverInfo(comp, flags, userId); if (ai != null) { ResolveInfo ri = new ResolveInfo(); ri.activityInfo = ai; list.add(ri); } return list; } // reader synchronized (mPackages) { String pkgName = intent.getPackage(); if (pkgName == null) { return mReceivers.queryIntent(intent, resolvedType, flags, userId); } final PackageParser.Package pkg = mPackages.get(pkgName); if (pkg != null) { return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, userId); } return null; } } @Override public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { List query = queryIntentServices(intent, resolvedType, flags, userId); if (!sUserManager.exists(userId)) return null; if (query != null) { if (query.size() >= 1) { // If there is more than one service with the same priority, // just arbitrarily pick the first one. return query.get(0); } } return null; } @Override public List queryIntentServices(Intent intent, String resolvedType, int flags, int userId) { if (!sUserManager.exists(userId)) return Collections.emptyList(); ComponentName comp = intent.getComponent(); if (comp == null) { if (intent.getSelector() != null) { intent = intent.getSelector(); comp = intent.getComponent(); } } if (comp != null) { final List list = new ArrayList(1); final ServiceInfo si = getServiceInfo(comp, flags, userId); if (si != null) { final ResolveInfo ri = new ResolveInfo(); ri.serviceInfo = si; list.add(ri); } return list; } // reader synchronized (mPackages) { String pkgName = intent.getPackage(); if (pkgName == null) { return mServices.queryIntent(intent, resolvedType, flags, userId); } final PackageParser.Package pkg = mPackages.get(pkgName); if (pkg != null) { return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, userId); } return null; } } @Override public List queryIntentContentProviders( Intent intent, String resolvedType, int flags, int userId) { if (!sUserManager.exists(userId)) return Collections.emptyList(); ComponentName comp = intent.getComponent(); if (comp == null) { if (intent.getSelector() != null) { intent = intent.getSelector(); comp = intent.getComponent(); } } if (comp != null) { final List list = new ArrayList(1); final ProviderInfo pi = getProviderInfo(comp, flags, userId); if (pi != null) { final ResolveInfo ri = new ResolveInfo(); ri.providerInfo = pi; list.add(ri); } return list; } // reader synchronized (mPackages) { String pkgName = intent.getPackage(); if (pkgName == null) { return mProviders.queryIntent(intent, resolvedType, flags, userId); } final PackageParser.Package pkg = mPackages.get(pkgName); if (pkg != null) { return mProviders.queryIntentForPackage( intent, resolvedType, flags, pkg.providers, userId); } return null; } } @Override public ParceledListSlice getInstalledPackages(int flags, int userId) { final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); // writer synchronized (mPackages) { ArrayList list; if (listUninstalled) { list = new ArrayList(mSettings.mPackages.size()); for (PackageSetting ps : mSettings.mPackages.values()) { PackageInfo pi; if (ps.pkg != null) { pi = generatePackageInfo(ps.pkg, flags, userId); } else { pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); } if (pi != null) { list.add(pi); } } } else { list = new ArrayList(mPackages.size()); for (PackageParser.Package p : mPackages.values()) { PackageInfo pi = generatePackageInfo(p, flags, userId); if (pi != null) { list.add(pi); } } } return new ParceledListSlice(list); } } private void addPackageHoldingPermissions(ArrayList list, PackageSetting ps, String[] permissions, boolean[] tmp, int flags, int userId) { int numMatch = 0; final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; for (int i=0; i getPackagesHoldingPermissions( String[] permissions, int flags, int userId) { if (!sUserManager.exists(userId)) return null; final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; // writer synchronized (mPackages) { ArrayList list = new ArrayList(); boolean[] tmpBools = new boolean[permissions.length]; if (listUninstalled) { for (PackageSetting ps : mSettings.mPackages.values()) { addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); } } else { for (PackageParser.Package pkg : mPackages.values()) { PackageSetting ps = (PackageSetting)pkg.mExtras; if (ps != null) { addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); } } } return new ParceledListSlice(list); } } @Override public ParceledListSlice getInstalledApplications(int flags, int userId) { if (!sUserManager.exists(userId)) return null; final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; // writer synchronized (mPackages) { ArrayList list; if (listUninstalled) { list = new ArrayList(mSettings.mPackages.size()); for (PackageSetting ps : mSettings.mPackages.values()) { ApplicationInfo ai; if (ps.pkg != null) { ai = PackageParser.generateApplicationInfo(ps.pkg, flags, ps.readUserState(userId), userId); } else { ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); } if (ai != null) { list.add(ai); } } } else { list = new ArrayList(mPackages.size()); for (PackageParser.Package p : mPackages.values()) { if (p.mExtras != null) { ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, ((PackageSetting)p.mExtras).readUserState(userId), userId); if (ai != null) { list.add(ai); } } } } return new ParceledListSlice(list); } } public List getPersistentApplications(int flags) { final ArrayList finalList = new ArrayList(); // reader synchronized (mPackages) { final Iterator i = mPackages.values().iterator(); final int userId = UserHandle.getCallingUserId(); while (i.hasNext()) { final PackageParser.Package p = i.next(); if (p.applicationInfo != null && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 && (!mSafeMode || isSystemApp(p))) { PackageSetting ps = mSettings.mPackages.get(p.packageName); if (ps != null) { ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, ps.readUserState(userId), userId); if (ai != null) { finalList.add(ai); } } } } } return finalList; } @Override public ProviderInfo resolveContentProvider(String name, int flags, int userId) { if (!sUserManager.exists(userId)) return null; // reader synchronized (mPackages) { final PackageParser.Provider provider = mProvidersByAuthority.get(name); PackageSetting ps = provider != null ? mSettings.mPackages.get(provider.owner.packageName) : null; return ps != null && mSettings.isEnabledLPr(provider.info, flags, userId) && (!mSafeMode || (provider.info.applicationInfo.flags &ApplicationInfo.FLAG_SYSTEM) != 0) ? PackageParser.generateProviderInfo(provider, flags, ps.readUserState(userId), userId) : null; } } /** * @deprecated */ @Deprecated public void querySyncProviders(List outNames, List outInfo) { // reader synchronized (mPackages) { final Iterator> i = mProvidersByAuthority .entrySet().iterator(); final int userId = UserHandle.getCallingUserId(); while (i.hasNext()) { Map.Entry entry = i.next(); PackageParser.Provider p = entry.getValue(); PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); if (ps != null && p.syncable && (!mSafeMode || (p.info.applicationInfo.flags &ApplicationInfo.FLAG_SYSTEM) != 0)) { ProviderInfo info = PackageParser.generateProviderInfo(p, 0, ps.readUserState(userId), userId); if (info != null) { outNames.add(entry.getKey()); outInfo.add(info); } } } } } @Override public List queryContentProviders(String processName, int uid, int flags) { ArrayList finalList = null; // reader synchronized (mPackages) { final Iterator i = mProviders.mProviders.values().iterator(); final int userId = processName != null ? UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); while (i.hasNext()) { final PackageParser.Provider p = i.next(); PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); if (ps != null && p.info.authority != null && (processName == null || (p.info.processName.equals(processName) && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) && mSettings.isEnabledLPr(p.info, flags, userId) && (!mSafeMode || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { if (finalList == null) { finalList = new ArrayList(3); } ProviderInfo info = PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), userId); if (info != null) { finalList.add(info); } } } } if (finalList != null) { Collections.sort(finalList, mProviderInitOrderSorter); } return finalList; } @Override public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { // reader synchronized (mPackages) { final PackageParser.Instrumentation i = mInstrumentation.get(name); return PackageParser.generateInstrumentationInfo(i, flags); } } @Override public List queryInstrumentation(String targetPackage, int flags) { ArrayList finalList = new ArrayList(); // reader synchronized (mPackages) { final Iterator i = mInstrumentation.values().iterator(); while (i.hasNext()) { final PackageParser.Instrumentation p = i.next(); if (targetPackage == null || targetPackage.equals(p.info.targetPackage)) { InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, flags); if (ii != null) { finalList.add(ii); } } } } return finalList; } private void createIdmapsForPackageLI(PackageParser.Package pkg) { ArrayMap overlays = mOverlays.get(pkg.packageName); if (overlays == null) { Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); return; } for (PackageParser.Package opkg : overlays.values()) { // Not much to do if idmap fails: we already logged the error // and we certainly don't want to abort installation of pkg simply // because an overlay didn't fit properly. For these reasons, // ignore the return value of createIdmapForPackagePairLI. createIdmapForPackagePairLI(pkg, opkg); } } private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, PackageParser.Package opkg) { if (!opkg.mTrustedOverlay) { Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + opkg.baseCodePath + ": overlay not trusted"); return false; } ArrayMap overlaySet = mOverlays.get(pkg.packageName); if (overlaySet == null) { Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + opkg.baseCodePath + " but target package has no known overlays"); return false; } final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); // TODO: generate idmap for split APKs if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " + opkg.baseCodePath); return false; } PackageParser.Package[] overlayArray = overlaySet.values().toArray(new PackageParser.Package[0]); Comparator cmp = new Comparator() { public int compare(PackageParser.Package p1, PackageParser.Package p2) { return p1.mOverlayPriority - p2.mOverlayPriority; } }; Arrays.sort(overlayArray, cmp); pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; int i = 0; for (PackageParser.Package p : overlayArray) { pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; } return true; } private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { final File[] files = dir.listFiles(); if (ArrayUtils.isEmpty(files)) { Log.d(TAG, "No files in app dir " + dir); return; } if (DEBUG_PACKAGE_SCANNING) { Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags + " flags=0x" + Integer.toHexString(parseFlags)); } for (File file : files) { final boolean isPackage = (isApkFile(file) || file.isDirectory()) && !PackageInstallerService.isStageName(file.getName()); if (!isPackage) { // Ignore entries which are not packages continue; } try { scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, scanFlags, currentTime, null); } catch (PackageManagerException e) { Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); // Delete invalid userdata apps if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); if (file.isDirectory()) { FileUtils.deleteContents(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) { logCriticalInfo(priority, msg); } static void logCriticalInfo(int priority, String msg) { Slog.println(priority, TAG, msg); EventLogTags.writePmCriticalInfo(msg); try { File fname = getSettingsProblemFile(); FileOutputStream out = new FileOutputStream(fname, true); PrintWriter pw = new FastPrintWriter(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) { } } private void collectCertificatesLI(PackageParser pp, PackageSetting ps, PackageParser.Package pkg, File srcFile, int parseFlags) throws PackageManagerException { if (ps != null && ps.codePath.equals(srcFile) && ps.timeStamp == srcFile.lastModified() && !isCompatSignatureUpdateNeeded(pkg) && !isRecoverSignatureUpdateNeeded(pkg)) { long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); if (ps.signatures.mSignatures != null && ps.signatures.mSignatures.length != 0 && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) { // Optimization: reuse the existing cached certificates // if the package appears to be unchanged. pkg.mSignatures = ps.signatures.mSignatures; KeySetManagerService ksms = mSettings.mKeySetManagerService; synchronized (mPackages) { pkg.mSigningKeys = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); } return; } 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"); } try { pp.collectCertificates(pkg, parseFlags); pp.collectManifestDigest(pkg); } catch (PackageParserException e) { throw PackageManagerException.from(e); } } /* * 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 scanFlags, long currentTime, UserHandle user) throws PackageManagerException { if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); parseFlags |= mDefParseFlags; PackageParser pp = new PackageParser(); pp.setSeparateProcesses(mSeparateProcesses); pp.setOnlyCoreApps(mOnlyCore); pp.setDisplayMetrics(mMetrics); if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; } final PackageParser.Package pkg; try { pkg = pp.parsePackage(scanFile, parseFlags); } catch (PackageParserException e) { throw PackageManagerException.from(e); } PackageSetting ps = null; PackageSetting updatedPkg; // reader synchronized (mPackages) { // Look to see if we already know about this package. String oldName = mSettings.mRenamedPackages.get(pkg.packageName); if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { // This package has been renamed to its original name. Let's // use that. ps = mSettings.peekPackageLPr(oldName); } // If there was no original package, see one for the real package name. if (ps == null) { ps = mSettings.peekPackageLPr(pkg.packageName); } // Check to see if this package could be hiding/updating a system // package. Must look for it either under the original or real // package name depending on our state. updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); } boolean updatedPkgBetter = false; // First check if this is a system package that may involve an update if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { // If new package is not located in "/system/priv-app" (e.g. due to an OTA), // it needs to drop FLAG_PRIVILEGED. if (locationIsPrivileged(scanFile)) { updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; } else { updatedPkg.pkgFlags &= ~ApplicationInfo.FLAG_PRIVILEGED; } 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 (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); if (pkg.mVersionCode <= ps.versionCode) { // The system package has been updated and the code path does not match // Ignore entry. Skip it. Slog.i(TAG, "Package " + ps.name + " at " + scanFile + " ignored: updated version " + ps.versionCode + " better than this " + pkg.mVersionCode); if (!updatedPkg.codePath.equals(scanFile)) { Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " + ps.name + " changing from " + updatedPkg.codePathString + " to " + scanFile); updatedPkg.codePath = scanFile; updatedPkg.codePathString = scanFile.toString(); } updatedPkg.pkg = pkg; throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, null); } else { // The current app on the system partition 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); } logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile + " reverting from " + ps.codePathString + ": new version " + pkg.mVersionCode + " better than installed " + ps.versionCode); InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, getAppDexInstructionSets(ps)); synchronized (mInstallLock) { args.cleanUpResourcesLI(); } synchronized (mPackages) { mSettings.enableSystemPackageLPw(ps.name); } updatedPkgBetter = true; } } } if (updatedPkg != null) { // An updated system app will not have the PARSE_IS_SYSTEM flag set // initially parseFlags |= PackageParser.PARSE_IS_SYSTEM; // An updated privileged app will not have the PARSE_IS_PRIVILEGED // flag set initially if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; } } // Verify certificates against what was last scanned collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); /* * A new system app appeared, but we already had a non-system one of the * same name installed earlier. */ boolean shouldHideSystemApp = false; if (updatedPkg == null && ps != null && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { /* * Check to make sure the signatures match first. If they don't, * wipe the installed application and its data. */ if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" + " signatures don't match existing userdata copy; removing"); deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); ps = null; } else { /* * If the newly-added system app is an older version than the * already installed version, hide it. It will be scanned later * and re-added like an update. */ if (pkg.mVersionCode <= ps.versionCode) { shouldHideSystemApp = true; logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile + " but new version " + pkg.mVersionCode + " better than installed " + ps.versionCode + "; hiding system"); } else { /* * The newly found system app is a newer version that the * one previously installed. Simply remove the * already-installed application and replace it with our own * while keeping the application data. */ logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile + " reverting from " + ps.codePathString + ": new version " + pkg.mVersionCode + " better than installed " + ps.versionCode); InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, getAppDexInstructionSets(ps)); synchronized (mInstallLock) { args.cleanUpResourcesLI(); } } } } // The apk is forward locked (not public) if its code and resources // are kept in different files. (except for app in either system or // vendor path). // TODO grab this value from PackageSettings if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { if (ps != null && !ps.codePath.equals(ps.resourcePath)) { parseFlags |= PackageParser.PARSE_FORWARD_LOCK; } } // TODO: extend to support forward-locked splits String resourcePath = null; String baseResourcePath = null; if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { if (ps != null && ps.resourcePathString != null) { resourcePath = ps.resourcePathString; baseResourcePath = ps.resourcePathString; } else { // Should not happen at all. Just log an error. Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); } } else { resourcePath = pkg.codePath; baseResourcePath = pkg.baseCodePath; } // Set application objects path explicitly. pkg.applicationInfo.setCodePath(pkg.codePath); pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); pkg.applicationInfo.setResourcePath(resourcePath); pkg.applicationInfo.setBaseResourcePath(baseResourcePath); pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); // Note that we invoke the following method only if we are about to unpack an application PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags | SCAN_UPDATE_SIGNATURE, currentTime, user); /* * If the system app should be overridden by a previously installed * data, hide the system app now and let the /data/app scan pick it up * again. */ if (shouldHideSystemApp) { synchronized (mPackages) { /* * We have to grant systems permissions before we hide, because * grantPermissions will assume the package update is trying to * expand its permissions. */ grantPermissionsLPw(pkg, true, pkg.packageName); mSettings.disableSystemPackageLPw(pkg.packageName); } } return scannedPkg; } private static String fixProcessName(String defProcessName, String processName, int uid) { if (processName == null) { return defProcessName; } return processName; } private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) throws PackageManagerException { if (pkgSetting.signatures.mSignatures != null) { // Already existing package. Make sure signatures match boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; if (!match) { match = compareSignaturesCompat(pkgSetting.signatures, pkg) == PackageManager.SIGNATURE_MATCH; } if (!match) { match = compareSignaturesRecover(pkgSetting.signatures, pkg) == PackageManager.SIGNATURE_MATCH; } if (!match) { throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " + pkg.packageName + " signatures do not match the " + "previously installed version; ignoring!"); } } // Check for shared user signatures if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { // Already existing package. Make sure signatures match boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; if (!match) { match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) == PackageManager.SIGNATURE_MATCH; } if (!match) { match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) == PackageManager.SIGNATURE_MATCH; } if (!match) { throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, "Package " + pkg.packageName + " has no signatures that match those in shared user " + pkgSetting.sharedUser.name + "; ignoring!"); } } } /** * 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); } } @Override public void performBootDexOpt() { enforceSystemOrRoot("Only the system can request dexopt be performed"); // Before everything else, see whether we need to fstrim. try { IMountService ms = PackageHelper.getMountService(); if (ms != null) { final boolean isUpgrade = isUpgrade(); boolean doTrim = isUpgrade; if (doTrim) { Slog.w(TAG, "Running disk maintenance immediately due to system update"); } else { final long interval = android.provider.Settings.Global.getLong( mContext.getContentResolver(), android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, DEFAULT_MANDATORY_FSTRIM_INTERVAL); if (interval > 0) { final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); if (timeSinceLast > interval) { doTrim = true; Slog.w(TAG, "No disk maintenance in " + timeSinceLast + "; running immediately"); } } } if (doTrim) { if (!isFirstBoot()) { try { ActivityManagerNative.getDefault().showBootMessage( mContext.getResources().getString( R.string.android_upgrading_fstrim), true); } catch (RemoteException e) { } } ms.runMaintenance(); } } else { Slog.e(TAG, "Mount service unavailable!"); } } catch (RemoteException e) { // Can't happen; MountService is local } final ArraySet pkgs; synchronized (mPackages) { pkgs = mDeferredDexOpt; mDeferredDexOpt = null; } if (pkgs != null) { // Sort apps by importance for dexopt ordering. Important apps are given more priority // in case the device runs out of space. ArrayList sortedPkgs = new ArrayList(); // Give priority to core apps. for (Iterator it = pkgs.iterator(); it.hasNext();) { PackageParser.Package pkg = it.next(); if (pkg.coreApp) { if (DEBUG_DEXOPT) { Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName); } sortedPkgs.add(pkg); it.remove(); } } // Give priority to system apps that listen for pre boot complete. Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); ArraySet pkgNames = getPackageNamesForIntent(intent); for (Iterator it = pkgs.iterator(); it.hasNext();) { PackageParser.Package pkg = it.next(); if (pkgNames.contains(pkg.packageName)) { if (DEBUG_DEXOPT) { Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName); } sortedPkgs.add(pkg); it.remove(); } } // Give priority to system apps. for (Iterator it = pkgs.iterator(); it.hasNext();) { PackageParser.Package pkg = it.next(); if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { if (DEBUG_DEXOPT) { Log.i(TAG, "Adding system app " + sortedPkgs.size() + ": " + pkg.packageName); } sortedPkgs.add(pkg); it.remove(); } } // Give priority to updated system apps. for (Iterator it = pkgs.iterator(); it.hasNext();) { PackageParser.Package pkg = it.next(); if (isUpdatedSystemApp(pkg)) { if (DEBUG_DEXOPT) { Log.i(TAG, "Adding updated system app " + sortedPkgs.size() + ": " + pkg.packageName); } sortedPkgs.add(pkg); it.remove(); } } // Give priority to apps that listen for boot complete. intent = new Intent(Intent.ACTION_BOOT_COMPLETED); pkgNames = getPackageNamesForIntent(intent); for (Iterator it = pkgs.iterator(); it.hasNext();) { PackageParser.Package pkg = it.next(); if (pkgNames.contains(pkg.packageName)) { if (DEBUG_DEXOPT) { Log.i(TAG, "Adding boot app " + sortedPkgs.size() + ": " + pkg.packageName); } sortedPkgs.add(pkg); it.remove(); } } // Filter out packages that aren't recently used. filterRecentlyUsedApps(pkgs); // Add all remaining apps. for (PackageParser.Package pkg : pkgs) { if (DEBUG_DEXOPT) { Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName); } sortedPkgs.add(pkg); } // If we want to be lazy, filter everything that wasn't recently used. if (mLazyDexOpt) { filterRecentlyUsedApps(sortedPkgs); } int i = 0; int total = sortedPkgs.size(); File dataDir = Environment.getDataDirectory(); long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir); if (lowThreshold == 0) { throw new IllegalStateException("Invalid low memory threshold"); } for (PackageParser.Package pkg : sortedPkgs) { long usableSpace = dataDir.getUsableSpace(); if (usableSpace < lowThreshold) { Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace); break; } performBootDexOpt(pkg, ++i, total); } } } private void filterRecentlyUsedApps(Collection pkgs) { // Filter out packages that aren't recently used. // // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which // should do a full dexopt. if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { int total = pkgs.size(); int skipped = 0; long now = System.currentTimeMillis(); for (Iterator i = pkgs.iterator(); i.hasNext();) { PackageParser.Package pkg = i.next(); long then = pkg.mLastPackageUsageTimeInMills; if (then + mDexOptLRUThresholdInMills < now) { if (DEBUG_DEXOPT) { Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + ((then == 0) ? "never" : new Date(then))); } i.remove(); skipped++; } } if (DEBUG_DEXOPT) { Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); } } } private ArraySet getPackageNamesForIntent(Intent intent) { List ris = null; try { ris = AppGlobals.getPackageManager().queryIntentReceivers( intent, null, 0, UserHandle.USER_OWNER); } catch (RemoteException e) { } ArraySet pkgNames = new ArraySet(); if (ris != null) { for (ResolveInfo ri : ris) { pkgNames.add(ri.activityInfo.packageName); } } return pkgNames; } private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) { if (DEBUG_DEXOPT) { Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName); } if (!isFirstBoot()) { try { ActivityManagerNative.getDefault().showBootMessage( mContext.getResources().getString(R.string.android_upgrading_apk, curr, total), true); } catch (RemoteException e) { } } PackageParser.Package p = pkg; synchronized (mInstallLock) { performDexOptLI(p, null /* instruction sets */, false /* force dex */, false /* defer */, true /* include dependencies */); } } @Override public boolean performDexOptIfNeeded(String packageName, String instructionSet) { return performDexOpt(packageName, instructionSet, false); } private static String getPrimaryInstructionSet(ApplicationInfo info) { if (info.primaryCpuAbi == null) { return getPreferredInstructionSet(); } return VMRuntime.getInstructionSet(info.primaryCpuAbi); } public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) { boolean dexopt = mLazyDexOpt || backgroundDexopt; boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt if (!dexopt && !updateUsage) { // We aren't going to dexopt or update usage, so bail early. return false; } PackageParser.Package p; final String targetInstructionSet; synchronized (mPackages) { p = mPackages.get(packageName); if (p == null) { return false; } if (updateUsage) { p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); } mPackageUsage.write(false); if (!dexopt) { // We aren't going to dexopt, so bail early. return false; } targetInstructionSet = instructionSet != null ? instructionSet : getPrimaryInstructionSet(p.applicationInfo); if (p.mDexOptPerformed.contains(targetInstructionSet)) { return false; } } synchronized (mInstallLock) { final String[] instructionSets = new String[] { targetInstructionSet }; return performDexOptLI(p, instructionSets, false /* force dex */, false /* defer */, true /* include dependencies */) == DEX_OPT_PERFORMED; } } public ArraySet getPackagesThatNeedDexOpt() { ArraySet pkgs = null; synchronized (mPackages) { for (PackageParser.Package p : mPackages.values()) { if (DEBUG_DEXOPT) { Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); } if (!p.mDexOptPerformed.isEmpty()) { continue; } if (pkgs == null) { pkgs = new ArraySet(); } pkgs.add(p.packageName); } } return pkgs; } public void shutdown() { mPackageUsage.write(true); } private void performDexOptLibsLI(ArrayList libs, String[] instructionSets, boolean forceDex, boolean defer, ArraySet done) { for (int i=0; i done) { final String[] instructionSets = targetInstructionSets != null ? targetInstructionSets : getAppDexInstructionSets(pkg.applicationInfo); if (done != null) { done.add(pkg.packageName); if (pkg.usesLibraries != null) { performDexOptLibsLI(pkg.usesLibraries, instructionSets, forceDex, defer, done); } if (pkg.usesOptionalLibraries != null) { performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSets, forceDex, defer, done); } } if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) == 0) { return DEX_OPT_SKIPPED; } final boolean vmSafeMode = (pkg.applicationInfo.flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0; final List paths = pkg.getAllCodePathsExcludingResourceOnly(); boolean performedDexOpt = false; // There are three basic cases here: // 1.) we need to dexopt, either because we are forced or it is needed // 2.) we are defering a needed dexopt // 3.) we are skipping an unneeded dexopt final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); for (String dexCodeInstructionSet : dexCodeInstructionSets) { if (!forceDex && pkg.mDexOptPerformed.contains(dexCodeInstructionSet)) { continue; } for (String path : paths) { try { // This will return DEXOPT_NEEDED if we either cannot find any odex file for this // patckage or the one we find does not match the image checksum (i.e. it was // compiled against an old image). It will return PATCHOAT_NEEDED if we can find a // odex file and it matches the checksum of the image but not its base address, // meaning we need to move it. final byte isDexOptNeeded = DexFile.isDexOptNeededInternal(path, pkg.packageName, dexCodeInstructionSet, defer); if (forceDex || (!defer && isDexOptNeeded == DexFile.DEXOPT_NEEDED)) { Log.i(TAG, "Running dexopt on: " + path + " pkg=" + pkg.applicationInfo.packageName + " isa=" + dexCodeInstructionSet + " vmSafeMode=" + vmSafeMode); final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); final int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), pkg.packageName, dexCodeInstructionSet, vmSafeMode); if (ret < 0) { // Don't bother running dexopt again if we failed, it will probably // just result in an error again. Also, don't bother dexopting for other // paths & ISAs. return DEX_OPT_FAILED; } performedDexOpt = true; } else if (!defer && isDexOptNeeded == DexFile.PATCHOAT_NEEDED) { Log.i(TAG, "Running patchoat on: " + pkg.applicationInfo.packageName); final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); final int ret = mInstaller.patchoat(path, sharedGid, !isForwardLocked(pkg), pkg.packageName, dexCodeInstructionSet); if (ret < 0) { // Don't bother running patchoat again if we failed, it will probably // just result in an error again. Also, don't bother dexopting for other // paths & ISAs. return DEX_OPT_FAILED; } performedDexOpt = true; } // We're deciding to defer a needed dexopt. Don't bother dexopting for other // paths and instruction sets. We'll deal with them all together when we process // our list of deferred dexopts. if (defer && isDexOptNeeded != DexFile.UP_TO_DATE) { if (mDeferredDexOpt == null) { mDeferredDexOpt = new ArraySet(); } mDeferredDexOpt.add(pkg); return DEX_OPT_DEFERRED; } } catch (FileNotFoundException e) { Slog.w(TAG, "Apk not found for dexopt: " + path); return DEX_OPT_FAILED; } catch (IOException e) { Slog.w(TAG, "IOException reading apk: " + path, e); return DEX_OPT_FAILED; } catch (StaleDexCacheError e) { Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); return DEX_OPT_FAILED; } catch (Exception e) { Slog.w(TAG, "Exception when doing dexopt : ", e); return DEX_OPT_FAILED; } } // At this point we haven't failed dexopt and we haven't deferred dexopt. We must // either have either succeeded dexopt, or have had isDexOptNeededInternal tell us // it isn't required. We therefore mark that this package doesn't need dexopt unless // it's forced. performedDexOpt will tell us whether we performed dex-opt or skipped // it. pkg.mDexOptPerformed.add(dexCodeInstructionSet); } // If we've gotten here, we're sure that no error occurred and that we haven't // deferred dex-opt. We've either dex-opted one more paths or instruction sets or // we've skipped all of them because they are up to date. In both cases this // package doesn't need dexopt any longer. return performedDexOpt ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; } private static String[] getAppDexInstructionSets(ApplicationInfo info) { if (info.primaryCpuAbi != null) { if (info.secondaryCpuAbi != null) { return new String[] { VMRuntime.getInstructionSet(info.primaryCpuAbi), VMRuntime.getInstructionSet(info.secondaryCpuAbi) }; } else { return new String[] { VMRuntime.getInstructionSet(info.primaryCpuAbi) }; } } return new String[] { getPreferredInstructionSet() }; } private static String[] getAppDexInstructionSets(PackageSetting ps) { if (ps.primaryCpuAbiString != null) { if (ps.secondaryCpuAbiString != null) { return new String[] { VMRuntime.getInstructionSet(ps.primaryCpuAbiString), VMRuntime.getInstructionSet(ps.secondaryCpuAbiString) }; } else { return new String[] { VMRuntime.getInstructionSet(ps.primaryCpuAbiString) }; } } return new String[] { getPreferredInstructionSet() }; } private static String getPreferredInstructionSet() { if (sPreferredInstructionSet == null) { sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); } return sPreferredInstructionSet; } private static List getAllInstructionSets() { final String[] allAbis = Build.SUPPORTED_ABIS; final List allInstructionSets = new ArrayList(allAbis.length); for (String abi : allAbis) { final String instructionSet = VMRuntime.getInstructionSet(abi); if (!allInstructionSets.contains(instructionSet)) { allInstructionSets.add(instructionSet); } } return allInstructionSets; } /** * Returns the instruction set that should be used to compile dex code. In the presence of * a native bridge this might be different than the one shared libraries use. */ private static String getDexCodeInstructionSet(String sharedLibraryIsa) { String dexCodeIsa = SystemProperties.get("ro.dalvik.vm.isa." + sharedLibraryIsa); return (dexCodeIsa.isEmpty() ? sharedLibraryIsa : dexCodeIsa); } private static String[] getDexCodeInstructionSets(String[] instructionSets) { ArraySet dexCodeInstructionSets = new ArraySet(instructionSets.length); for (String instructionSet : instructionSets) { dexCodeInstructionSets.add(getDexCodeInstructionSet(instructionSet)); } return dexCodeInstructionSets.toArray(new String[dexCodeInstructionSets.size()]); } /** * Returns deduplicated list of supported instructions for dex code. */ public static String[] getAllDexCodeInstructionSets() { String[] supportedInstructionSets = new String[Build.SUPPORTED_ABIS.length]; for (int i = 0; i < supportedInstructionSets.length; i++) { String abi = Build.SUPPORTED_ABIS[i]; supportedInstructionSets[i] = VMRuntime.getInstructionSet(abi); } return getDexCodeInstructionSets(supportedInstructionSets); } @Override public void forceDexOpt(String packageName) { enforceSystemOrRoot("forceDexOpt"); PackageParser.Package pkg; synchronized (mPackages) { pkg = mPackages.get(packageName); if (pkg == null) { throw new IllegalArgumentException("Missing package: " + packageName); } } synchronized (mInstallLock) { final String[] instructionSets = new String[] { getPrimaryInstructionSet(pkg.applicationInfo) }; final int res = performDexOptLI(pkg, instructionSets, true, false, true); if (res != DEX_OPT_PERFORMED) { throw new IllegalStateException("Failed to dexopt: " + res); } } } private int performDexOptLI(PackageParser.Package pkg, String[] instructionSets, boolean forceDex, boolean defer, boolean inclDependencies) { ArraySet done; if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { done = new ArraySet(); done.add(pkg.packageName); } else { done = null; } return performDexOptLI(pkg, instructionSets, forceDex, defer, done); } private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { Slog.w(TAG, "Unable to update from " + oldPkg.name + " to " + newPkg.packageName + ": old package not in system partition"); return false; } else if (mPackages.get(oldPkg.name) != null) { Slog.w(TAG, "Unable to update from " + oldPkg.name + " to " + newPkg.packageName + ": old package still exists"); return false; } return true; } File getDataPathForUser(int userId) { return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); } private File getDataPathForPackage(String packageName, int userId) { /* * Until we fully support multiple users, return the directory we * previously would have. The PackageManagerTests will need to be * revised when this is changed back.. */ if (userId == 0) { return new File(mAppDataDir, packageName); } else { return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId + File.separator + packageName); } } private int createDataDirsLI(String packageName, int uid, String seinfo) { int[] users = sUserManager.getUserIds(); int res = mInstaller.install(packageName, uid, uid, seinfo); if (res < 0) { return res; } for (int user : users) { if (user != 0) { res = mInstaller.createUserData(packageName, UserHandle.getUid(user, uid), user, seinfo); if (res < 0) { return res; } } } return res; } private int removeDataDirsLI(String packageName) { int[] users = sUserManager.getUserIds(); int res = 0; for (int user : users) { int resInner = mInstaller.remove(packageName, user); if (resInner < 0) { res = resInner; } } return res; } private int deleteCodeCacheDirsLI(String packageName) { int[] users = sUserManager.getUserIds(); int res = 0; for (int user : users) { int resInner = mInstaller.deleteCodeCacheFiles(packageName, user); if (resInner < 0) { res = resInner; } } return res; } private void addSharedLibraryLPw(ArraySet usesLibraryFiles, SharedLibraryEntry file, PackageParser.Package changingLib) { if (file.path != null) { usesLibraryFiles.add(file.path); return; } PackageParser.Package p = mPackages.get(file.apk); if (changingLib != null && changingLib.packageName.equals(file.apk)) { // If we are doing this while in the middle of updating a library apk, // then we need to make sure to use that new apk for determining the // dependencies here. (We haven't yet finished committing the new apk // to the package manager state.) if (p == null || p.packageName.equals(changingLib.packageName)) { p = changingLib; } } if (p != null) { usesLibraryFiles.addAll(p.getAllCodePaths()); } } private void updateSharedLibrariesLPw(PackageParser.Package pkg, PackageParser.Package changingLib) throws PackageManagerException { if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { final ArraySet usesLibraryFiles = new ArraySet<>(); int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; for (int i=0; i 0) { pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); } else { pkg.usesLibraryFiles = null; } } } private static boolean hasString(List list, List which) { if (list == null) { return false; } for (int i=list.size()-1; i>=0; i--) { for (int j=which.size()-1; j>=0; j--) { if (which.get(j).equals(list.get(i))) { return true; } } } return false; } private void updateAllSharedLibrariesLPw() { for (PackageParser.Package pkg : mPackages.values()) { try { updateSharedLibrariesLPw(pkg, null); } catch (PackageManagerException e) { Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); } } } private ArrayList updateAllSharedLibrariesLPw( PackageParser.Package changingPkg) { ArrayList res = null; for (PackageParser.Package pkg : mPackages.values()) { if (hasString(pkg.usesLibraries, changingPkg.libraryNames) || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { if (res == null) { res = new ArrayList(); } res.add(pkg); try { updateSharedLibrariesLPw(pkg, changingPkg); } catch (PackageManagerException e) { Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); } } } return res; } /** * Derive the value of the {@code cpuAbiOverride} based on the provided * value and an optional stored value from the package settings. */ private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { String cpuAbiOverride = null; if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { cpuAbiOverride = null; } else if (abiOverride != null) { cpuAbiOverride = abiOverride; } else if (settings != null) { cpuAbiOverride = settings.cpuAbiOverrideString; } return cpuAbiOverride; } private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { boolean success = false; try { final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, currentTime, user); success = true; return res; } finally { if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { removeDataDirsLI(pkg.packageName); } } } private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { final File scanFile = new File(pkg.codePath); if (pkg.applicationInfo.getCodePath() == null || pkg.applicationInfo.getResourcePath() == null) { // Bail out. The resource and code paths haven't been set. throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, "Code and resource paths haven't been set correctly"); } if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; } else { // Only allow system apps to be flagged as core apps. pkg.coreApp = false; } if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; } if (mCustomResolverComponentName != null && mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { setUpCustomResolverActivity(pkg); } 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=" + scanFile); Slog.w(TAG, "*************************************************"); throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, "Core android package being redefined. Skipping."); } // Set up information for our fall-back user intent resolution activity. mPlatformPackage = pkg; pkg.mVersionCode = mSdkVersion; mAndroidApplication = pkg.applicationInfo; if (!mResolverReplaced) { mResolveActivity.applicationInfo = mAndroidApplication; mResolveActivity.name = ResolverActivity.class.getName(); mResolveActivity.packageName = mAndroidApplication.packageName; mResolveActivity.processName = "system:ui"; mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; mResolveActivity.theme = 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)) { throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, "Application package " + pkg.packageName + " already installed. Skipping duplicate."); } // Initialize package source and resource directories File destCodeFile = new File(pkg.applicationInfo.getCodePath()); File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 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) { if (pkg.mSharedUserId != null) { suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); if (suid == null) { throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Creating application package " + pkg.packageName + " for shared user failed"); } 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.nativeLibraryRootDir, pkg.applicationInfo.primaryCpuAbi, pkg.applicationInfo.secondaryCpuAbi, pkg.applicationInfo.flags, user, false); if (pkgSetting == null) { throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Creating application package " + pkg.packageName + " failed"); } if (pkgSetting.origPackage != null) { // If we are first transitioning from an original package, // fix up the new package's name now. We need to do this after // looking up the package under its new name, so getPackageLP // can take care of fiddling things correctly. pkg.setPackageName(origPackage.name); // File a report about this. String msg = "New package " + pkgSetting.realName + " renamed to replace old package " + pkgSetting.name; reportSettingsProblem(Log.WARN, msg); // Make a note of it. mTransferedPackages.add(origPackage.name); // No longer need to retain this. pkgSetting.origPackage = null; } if (realName != null) { // Make a note of it. mTransferedPackages.add(pkg.packageName); } if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; } if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { // Check all shared libraries and map to their actual file path. // We only do this here for apps not on a system dir, because those // are the only ones that can fail an install due to this. We // will take care of the system apps by updating all of their // library paths after the scan is done. updateSharedLibrariesLPw(pkg, null); } if (mFoundPolicyFile) { SELinuxMMAC.assignSeinfoValue(pkg); } pkg.applicationInfo.uid = pkgSetting.appId; pkg.mExtras = pkgSetting; if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) { try { verifySignaturesLP(pkgSetting, pkg); // We just determined the app is signed correctly, so bring // over the latest parsed certs. pkgSetting.signatures.mSignatures = pkg.mSignatures; } catch (PackageManagerException e) { if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { throw e; } // 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) { throw new PackageManagerException( INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, "Signature mismatch for shared user : " + pkgSetting.sharedUser); } } // File a report about this. String msg = "System package " + pkg.packageName + " signature changed; retaining data."; reportSettingsProblem(Log.WARN, msg); } } else { if (!checkUpgradeKeySetLP(pkgSetting, pkg)) { throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " + pkg.packageName + " upgrade keys do not match the " + "previously installed version"); } else { // We just determined the app is signed correctly, so bring // over the latest parsed certs. pkgSetting.signatures.mSignatures = pkg.mSignatures; } } // 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 ((scanFlags & SCAN_NEW_INSTALL) != 0) { final int N = pkg.providers.size(); int i; for (i=0; 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 = (scanFlags & SCAN_FORCE_DEX) != 0; pkg.applicationInfo.processName = fixProcessName( pkg.applicationInfo.packageName, pkg.applicationInfo.processName, pkg.applicationInfo.uid); File dataPath; if (mPlatformPackage == pkg) { // The system package is special. dataPath = new File(Environment.getDataDirectory(), "system"); pkg.applicationInfo.dataDir = dataPath.getPath(); } else { // This is a normal package, need to make its data directory. dataPath = getDataPathForPackage(pkg.packageName, 0); boolean uidError = false; if (dataPath.exists()) { int currentUid = 0; try { StructStat stat = Os.stat(dataPath.getPath()); currentUid = stat.st_uid; } catch (ErrnoException e) { Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); } // If we have mismatched owners for the data path, we have a problem. if (currentUid != pkg.applicationInfo.uid) { boolean recovered = false; if (currentUid == 0) { // The directory somehow became owned by root. Wow. // This is probably because the system was stopped while // installd was in the middle of messing with its libs // directory. Ask installd to fix that. int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, pkg.applicationInfo.uid); if (ret >= 0) { recovered = true; String msg = "Package " + pkg.packageName + " unexpectedly changed to uid 0; recovered to " + + pkg.applicationInfo.uid; reportSettingsProblem(Log.WARN, msg); } } if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 || (scanFlags&SCAN_BOOTING) != 0)) { // If this is a system app, we can at least delete its // current data so the application will still work. int ret = removeDataDirsLI(pkgName); if (ret >= 0) { // TODO: Kill the processes first // Old data gone! String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 ? "System package " : "Third party package "; String msg = prefix + pkg.packageName + " has changed from uid: " + currentUid + " to " + pkg.applicationInfo.uid + "; old data erased"; reportSettingsProblem(Log.WARN, msg); recovered = true; // And now re-install the app. ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, pkg.applicationInfo.seinfo); if (ret == -1) { // Ack should not happen! msg = prefix + pkg.packageName + " could not have data directory re-created after delete."; reportSettingsProblem(Log.WARN, msg); throw new PackageManagerException( INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); } } if (!recovered) { mHasSystemUidErrors = true; } } else if (!recovered) { // If we allow this install to proceed, we will be broken. // Abort, abort! throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, "scanPackageLI"); } if (!recovered) { pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" + pkg.applicationInfo.uid + "/fs_" + currentUid; pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; String msg = "Package " + pkg.packageName + " has mismatched uid: " + currentUid + " on disk, " + pkg.applicationInfo.uid + " in settings"; // writer synchronized (mPackages) { mSettings.mReadMessages.append(msg); mSettings.mReadMessages.append('\n'); uidError = true; if (!pkgSetting.uidError) { reportSettingsProblem(Log.ERROR, msg); } } } } pkg.applicationInfo.dataDir = dataPath.getPath(); if (mShouldRestoreconData) { Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, pkg.applicationInfo.uid); } } else { if (DEBUG_PACKAGE_SCANNING) { if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) Log.v(TAG, "Want this data dir: " + dataPath); } //invoke installer to do the actual installation int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, pkg.applicationInfo.seinfo); if (ret < 0) { // Error from installer throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Unable to create data dirs [errorCode=" + ret + "]"); } if (dataPath.exists()) { pkg.applicationInfo.dataDir = dataPath.getPath(); } else { Slog.w(TAG, "Unable to create data directory: " + dataPath); pkg.applicationInfo.dataDir = null; } } pkgSetting.uidError = uidError; } final String path = scanFile.getPath(); final String codePath = pkg.applicationInfo.getCodePath(); final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { setBundledAppAbisAndRoots(pkg, pkgSetting); // If we haven't found any native libraries for the app, check if it has // renderscript code. We'll need to force the app to 32 bit if it has // renderscript bitcode. if (pkg.applicationInfo.primaryCpuAbi == null && pkg.applicationInfo.secondaryCpuAbi == null && Build.SUPPORTED_64_BIT_ABIS.length > 0) { NativeLibraryHelper.Handle handle = null; try { handle = NativeLibraryHelper.Handle.create(scanFile); if (NativeLibraryHelper.hasRenderscriptBitcode(handle)) { pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; } } catch (IOException ioe) { Slog.w(TAG, "Error scanning system app : " + ioe); } finally { IoUtils.closeQuietly(handle); } } setNativeLibraryPaths(pkg); } else { // TODO: We can probably be smarter about this stuff. For installed apps, // we can calculate this information at install time once and for all. For // system apps, we can probably assume that this information doesn't change // after the first boot scan. As things stand, we do lots of unnecessary work. // Give ourselves some initial paths; we'll come back for another // pass once we've determined ABI below. setNativeLibraryPaths(pkg); final boolean isAsec = isForwardLocked(pkg) || isExternal(pkg); final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; NativeLibraryHelper.Handle handle = null; try { handle = NativeLibraryHelper.Handle.create(scanFile); // TODO(multiArch): This can be null for apps that didn't go through the // usual installation process. We can calculate it again, like we // do during install time. // // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally // unnecessary. final File nativeLibraryRoot = new File(nativeLibraryRootStr); // Null out the abis so that they can be recalculated. pkg.applicationInfo.primaryCpuAbi = null; pkg.applicationInfo.secondaryCpuAbi = null; if (isMultiArch(pkg.applicationInfo)) { // Warn if we've set an abiOverride for multi-lib packages.. // By definition, we need to copy both 32 and 64 bit libraries for // such packages. if (pkg.cpuAbiOverride != null && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { Slog.w(TAG, "Ignoring abiOverride for multi arch application."); } int abi32 = PackageManager.NO_NATIVE_LIBRARIES; int abi64 = PackageManager.NO_NATIVE_LIBRARIES; if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { if (isAsec) { abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); } else { abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, useIsaSpecificSubdirs); } } maybeThrowExceptionForMultiArchCopy( "Error unpackaging 32 bit native libs for multiarch app.", abi32); if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { if (isAsec) { abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); } else { abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, useIsaSpecificSubdirs); } } maybeThrowExceptionForMultiArchCopy( "Error unpackaging 64 bit native libs for multiarch app.", abi64); if (abi64 >= 0) { pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; } if (abi32 >= 0) { final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; if (abi64 >= 0) { pkg.applicationInfo.secondaryCpuAbi = abi; } else { pkg.applicationInfo.primaryCpuAbi = abi; } } } else { String[] abiList = (cpuAbiOverride != null) ? new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; // Enable gross and lame hacks for apps that are built with old // SDK tools. We must scan their APKs for renderscript bitcode and // not launch them if it's present. Don't bother checking on devices // that don't have 64 bit support. boolean needsRenderScriptOverride = false; if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && NativeLibraryHelper.hasRenderscriptBitcode(handle)) { abiList = Build.SUPPORTED_32_BIT_ABIS; needsRenderScriptOverride = true; } final int copyRet; if (isAsec) { copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); } else { copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, nativeLibraryRoot, abiList, useIsaSpecificSubdirs); } if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, "Error unpackaging native libs for app, errorCode=" + copyRet); } if (copyRet >= 0) { pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; } else if (needsRenderScriptOverride) { pkg.applicationInfo.primaryCpuAbi = abiList[0]; } } } catch (IOException ioe) { Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); } finally { IoUtils.closeQuietly(handle); } // Now that we've calculated the ABIs and determined if it's an internal app, // we will go ahead and populate the nativeLibraryPath. setNativeLibraryPaths(pkg); if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); final int[] userIds = sUserManager.getUserIds(); synchronized (mInstallLock) { // Create a native library symlink only if we have native libraries // and if the native libraries are 32 bit libraries. We do not provide // this symlink for 64 bit libraries. if (pkg.applicationInfo.primaryCpuAbi != null && !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; for (int userId : userIds) { if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, "Failed linking native library dir (user=" + userId + ")"); } } } } } // This is a special case for the "system" package, where the ABI is // dictated by the zygote configuration (and init.rc). We should keep track // of this ABI so that we can deal with "normal" applications that run under // the same UID correctly. if (mPlatformPackage == pkg) { pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; } pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; pkgSetting.cpuAbiOverrideString = cpuAbiOverride; // Copy the derived override back to the parsed package, so that we can // update the package settings accordingly. pkg.cpuAbiOverride = cpuAbiOverride; if (DEBUG_ABI_SELECTION) { Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" + pkg.applicationInfo.nativeLibraryRootRequiresIsa); } // Push the derived path down into PackageSettings so we know what to // clean up at uninstall time. pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; if (DEBUG_ABI_SELECTION) { Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + " primary=" + pkg.applicationInfo.primaryCpuAbi + " secondary=" + pkg.applicationInfo.secondaryCpuAbi); } if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { // We don't do this here during boot because we can do it all // at once after scanning all existing packages. // // We also do this *before* we perform dexopt on this package, so that // we can avoid redundant dexopts, and also to make sure we've got the // code and package path correct. adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0); } if ((scanFlags & SCAN_NO_DEX) == 0) { if (performDexOptLI(pkg, null /* instruction sets */, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0, false) == DEX_OPT_FAILED) { throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); } } if (mFactoryTest && pkg.requestedPermissions.contains( android.Manifest.permission.FACTORY_TEST)) { pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; } ArrayList clientLibPkgs = null; // writer synchronized (mPackages) { if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { // Only system apps can add new shared libraries. if (pkg.libraryNames != null) { for (int i=0; i iter = mSettings.mPackagesToBeCleaned.iterator(); while (iter.hasNext()) { PackageCleanItem item = iter.next(); if (pkgName.equals(item.packageName)) { iter.remove(); } } // Take care of first install / last update times. if (currentTime != 0) { if (pkgSetting.firstInstallTime == 0) { pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; } else if ((scanFlags&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; } } // Add the package's KeySets to the global KeySetManagerService KeySetManagerService ksms = mSettings.mKeySetManagerService; try { // Old KeySetData no longer valid. ksms.removeAppKeySetDataLPw(pkg.packageName); ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys); if (pkg.mKeySetMapping != null) { for (Map.Entry> entry : pkg.mKeySetMapping.entrySet()) { if (entry.getValue() != null) { ksms.addDefinedKeySetToPackageLPw(pkg.packageName, entry.getValue(), entry.getKey()); } } if (pkg.mUpgradeKeySets != null) { for (String upgradeAlias : pkg.mUpgradeKeySets) { ksms.addUpgradeKeySetToPackageLPw(pkg.packageName, upgradeAlias); } } } } catch (NullPointerException e) { Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); } catch (IllegalArgumentException e) { Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); } int N = pkg.providers.size(); StringBuilder r = null; int i; for (i=0; i permissionMap = p.tree ? mSettings.mPermissionTrees : mSettings.mPermissions; p.group = mPermissionGroups.get(p.info.group); if (p.info.group == null || p.group != null) { BasePermission bp = permissionMap.get(p.info.name); // Allow system apps to redefine non-system permissions if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { final boolean currentOwnerIsSystem = (bp.perm != null && isSystemApp(bp.perm.owner)); if (isSystemApp(p.owner)) { if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { // It's a built-in permission and no owner, take ownership now bp.packageSetting = pkgSetting; bp.perm = p; bp.uid = pkg.applicationInfo.uid; bp.sourcePackage = p.info.packageName; } else if (!currentOwnerIsSystem) { String msg = "New decl " + p.owner + " of permission " + p.info.name + " is system; overriding " + bp.sourcePackage; reportSettingsProblem(Log.WARN, msg); bp = null; } } } 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; bp.sourcePackage = p.info.packageName; 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()); } ArrayMap map = mOverlays.get(pkg.mOverlayTarget); map.put(pkg.packageName, pkg); PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "scanPackageLI failed to createIdmap"); } } } else if (mOverlays.containsKey(pkg.packageName) && !pkg.packageName.equals("android")) { // This is a regular package, with one or more known overlay packages. createIdmapsForPackageLI(pkg); } } return pkg; } /** * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. * i.e, so that all packages can be run inside a single process if required. * * Optionally, callers can pass in a parsed package via {@code newPackage} in which case * this function will either try and make the ABI for all packages in {@code packagesForUser} * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match * the ABI selected for {@code packagesForUser}. This variant is used when installing or * updating a package that belongs to a shared user. * * NOTE: We currently only match for the primary CPU abi string. Matching the secondary * adds unnecessary complexity. */ private void adjustCpuAbisForSharedUserLPw(Set packagesForUser, PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { String requiredInstructionSet = null; if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { requiredInstructionSet = VMRuntime.getInstructionSet( scannedPackage.applicationInfo.primaryCpuAbi); } PackageSetting requirer = null; for (PackageSetting ps : packagesForUser) { // If packagesForUser contains scannedPackage, we skip it. This will happen // when scannedPackage is an update of an existing package. Without this check, // we will never be able to change the ABI of any package belonging to a shared // user, even if it's compatible with other packages. if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { if (ps.primaryCpuAbiString == null) { continue; } final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { // We have a mismatch between instruction sets (say arm vs arm64) warn about // this but there's not much we can do. String errorMessage = "Instruction set mismatch, " + ((requirer == null) ? "[caller]" : requirer) + " requires " + requiredInstructionSet + " whereas " + ps + " requires " + instructionSet; Slog.w(TAG, errorMessage); } if (requiredInstructionSet == null) { requiredInstructionSet = instructionSet; requirer = ps; } } } if (requiredInstructionSet != null) { String adjustedAbi; if (requirer != null) { // requirer != null implies that either scannedPackage was null or that scannedPackage // did not require an ABI, in which case we have to adjust scannedPackage to match // the ABI of the set (which is the same as requirer's ABI) adjustedAbi = requirer.primaryCpuAbiString; if (scannedPackage != null) { scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; } } else { // requirer == null implies that we're updating all ABIs in the set to // match scannedPackage. adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; } for (PackageSetting ps : packagesForUser) { if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { if (ps.primaryCpuAbiString != null) { continue; } ps.primaryCpuAbiString = adjustedAbi; if (ps.pkg != null && ps.pkg.applicationInfo != null) { ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); if (performDexOptLI(ps.pkg, null /* instruction sets */, forceDexOpt, deferDexOpt, true) == DEX_OPT_FAILED) { ps.primaryCpuAbiString = null; ps.pkg.applicationInfo.primaryCpuAbi = null; return; } else { mInstaller.rmdex(ps.codePathString, getDexCodeInstructionSet(getPreferredInstructionSet())); } } } } } } private void setUpCustomResolverActivity(PackageParser.Package pkg) { synchronized (mPackages) { mResolverReplaced = true; // Set up information for custom user intent resolution activity. mResolveActivity.applicationInfo = pkg.applicationInfo; mResolveActivity.name = mCustomResolverComponentName.getClassName(); mResolveActivity.packageName = pkg.applicationInfo.packageName; mResolveActivity.processName = pkg.applicationInfo.packageName; mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; mResolveActivity.theme = 0; mResolveActivity.exported = true; mResolveActivity.enabled = true; mResolveInfo.activityInfo = mResolveActivity; mResolveInfo.priority = 0; mResolveInfo.preferredOrder = 0; mResolveInfo.match = 0; mResolveComponentName = mCustomResolverComponentName; Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + mResolveComponentName); } } private static String calculateBundledApkRoot(final String codePathString) { final File codePath = new File(codePathString); final File codeRoot; if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { codeRoot = Environment.getRootDirectory(); } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { codeRoot = Environment.getOemDirectory(); } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { codeRoot = Environment.getVendorDirectory(); } else { // Unrecognized code path; take its top real segment as the apk root: // e.g. /something/app/blah.apk => /something try { File f = codePath.getCanonicalFile(); File parent = f.getParentFile(); // non-null because codePath is a file File tmp; while ((tmp = parent.getParentFile()) != null) { f = parent; parent = tmp; } codeRoot = f; Slog.w(TAG, "Unrecognized code path " + codePath + " - using " + codeRoot); } catch (IOException e) { // Can't canonicalize the code path -- shenanigans? Slog.w(TAG, "Can't canonicalize code path " + codePath); return Environment.getRootDirectory().getPath(); } } return codeRoot.getPath(); } /** * Derive and set the location of native libraries for the given package, * which varies depending on where and how the package was installed. */ private void setNativeLibraryPaths(PackageParser.Package pkg) { final ApplicationInfo info = pkg.applicationInfo; final String codePath = pkg.codePath; final File codeFile = new File(codePath); final boolean bundledApp = isSystemApp(info) && !isUpdatedSystemApp(info); final boolean asecApp = isForwardLocked(info) || isExternal(info); info.nativeLibraryRootDir = null; info.nativeLibraryRootRequiresIsa = false; info.nativeLibraryDir = null; info.secondaryNativeLibraryDir = null; if (isApkFile(codeFile)) { // Monolithic install if (bundledApp) { // If "/system/lib64/apkname" exists, assume that is the per-package // native library directory to use; otherwise use "/system/lib/apkname". final String apkRoot = calculateBundledApkRoot(info.sourceDir); final boolean is64Bit = VMRuntime.is64BitInstructionSet( getPrimaryInstructionSet(info)); // This is a bundled system app so choose the path based on the ABI. // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this // is just the default path. final String apkName = deriveCodePathName(codePath); final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, apkName).getAbsolutePath(); if (info.secondaryCpuAbi != null) { final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), secondaryLibDir, apkName).getAbsolutePath(); } } else if (asecApp) { info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) .getAbsolutePath(); } else { final String apkName = deriveCodePathName(codePath); info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) .getAbsolutePath(); } info.nativeLibraryRootRequiresIsa = false; info.nativeLibraryDir = info.nativeLibraryRootDir; } else { // Cluster install info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); info.nativeLibraryRootRequiresIsa = true; info.nativeLibraryDir = new File(info.nativeLibraryRootDir, getPrimaryInstructionSet(info)).getAbsolutePath(); if (info.secondaryCpuAbi != null) { info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); } } } /** * Calculate the abis and roots for a bundled app. These can uniquely * be determined from the contents of the system partition, i.e whether * it contains 64 or 32 bit shared libraries etc. We do not validate any * of this information, and instead assume that the system was built * sensibly. */ private void setBundledAppAbisAndRoots(PackageParser.Package pkg, PackageSetting pkgSetting) { final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); // If "/system/lib64/apkname" exists, assume that is the per-package // native library directory to use; otherwise use "/system/lib/apkname". final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); setBundledAppAbi(pkg, apkRoot, apkName); // pkgSetting might be null during rescan following uninstall of updates // to a bundled app, so accommodate that possibility. The settings in // that case will be established later from the parsed package. // // If the settings aren't null, sync them up with what we've just derived. // note that apkRoot isn't stored in the package settings. if (pkgSetting != null) { pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; } } /** * Deduces the ABI of a bundled app and sets the relevant fields on the * parsed pkg object. * * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} * under which system libraries are installed. * @param apkName the name of the installed package. */ private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { final File codeFile = new File(pkg.codePath); final boolean has64BitLibs; final boolean has32BitLibs; if (isApkFile(codeFile)) { // Monolithic install has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); } else { // Cluster install final File rootDir = new File(codeFile, LIB_DIR_NAME); if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); has64BitLibs = (new File(rootDir, isa)).exists(); } else { has64BitLibs = false; } if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); has32BitLibs = (new File(rootDir, isa)).exists(); } else { has32BitLibs = false; } } if (has64BitLibs && !has32BitLibs) { // The package has 64 bit libs, but not 32 bit libs. Its primary // ABI should be 64 bit. We can safely assume here that the bundled // native libraries correspond to the most preferred ABI in the list. pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; pkg.applicationInfo.secondaryCpuAbi = null; } else if (has32BitLibs && !has64BitLibs) { // The package has 32 bit libs but not 64 bit libs. Its primary // ABI should be 32 bit. pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; pkg.applicationInfo.secondaryCpuAbi = null; } else if (has32BitLibs && has64BitLibs) { // The application has both 64 and 32 bit bundled libraries. We check // here that the app declares multiArch support, and warn if it doesn't. // // We will be lenient here and record both ABIs. The primary will be the // ABI that's higher on the list, i.e, a device that's configured to prefer // 64 bit apps will see a 64 bit primary ABI, if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); } if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; } else { pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; } } else { pkg.applicationInfo.primaryCpuAbi = null; pkg.applicationInfo.secondaryCpuAbi = null; } } private void killApplication(String pkgName, int appId, String reason) { // Request the ActivityManager to kill the process(only for existing packages) // so that we do not end up in a confused state while the user is still using the older // version of the application while the new one gets installed. IActivityManager am = ActivityManagerNative.getDefault(); if (am != null) { try { am.killApplicationWithAppId(pkgName, appId, reason); } catch (RemoteException e) { } } } void removePackageLI(PackageSetting ps, boolean chatty) { if (DEBUG_INSTALL) { if (chatty) Log.d(TAG, "Removing package " + ps.name); } // writer synchronized (mPackages) { mPackages.remove(ps.name); final PackageParser.Package pkg = ps.pkg; if (pkg != null) { cleanPackageDataStructuresLILPw(pkg, chatty); } } } void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { if (DEBUG_INSTALL) { if (chatty) Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); } // writer synchronized (mPackages) { mPackages.remove(pkg.applicationInfo.packageName); cleanPackageDataStructuresLILPw(pkg, chatty); } } void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { int N = pkg.providers.size(); StringBuilder r = null; int i; for (i=0; i appOpPerms = mAppOpPermissionPackages.get(p.info.name); if (appOpPerms != null) { appOpPerms.remove(pkg.packageName); } } } if (r != null) { if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); } N = pkg.requestedPermissions.size(); r = null; for (i=0; i appOpPerms = mAppOpPermissionPackages.get(perm); if (appOpPerms != null) { appOpPerms.remove(pkg.packageName); if (appOpPerms.isEmpty()) { mAppOpPermissionPackages.remove(perm); } } } } if (r != null) { if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); } N = pkg.instrumentation.size(); r = null; for (i=0; i=0; i--) { if (pkgInfo.permissions.get(i).info.name.equals(perm)) { return true; } } return false; } static final int UPDATE_PERMISSIONS_ALL = 1<<0; static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, int flags) { // Make sure there are no dangling permission trees. Iterator it = mSettings.mPermissionTrees.values().iterator(); while (it.hasNext()) { final BasePermission bp = it.next(); if (bp.packageSetting == null) { // We may not yet have parsed the package, so just see if // we still know about its settings. bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); } if (bp.packageSetting == null) { Slog.w(TAG, "Removing dangling permission tree: " + bp.name + " from package " + bp.sourcePackage); it.remove(); } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { Slog.i(TAG, "Removing old permission tree: " + bp.name + " from package " + bp.sourcePackage); flags |= UPDATE_PERMISSIONS_ALL; it.remove(); } } } // Make sure all dynamic permissions have been assigned to a package, // and make sure there are no dangling permissions. it = mSettings.mPermissions.values().iterator(); while (it.hasNext()) { final BasePermission bp = it.next(); if (bp.type == BasePermission.TYPE_DYNAMIC) { if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" + bp.name + " pkg=" + bp.sourcePackage + " info=" + bp.pendingInfo); if (bp.packageSetting == null && bp.pendingInfo != null) { final BasePermission tree = findPermissionTreeLP(bp.name); if (tree != null && tree.perm != null) { bp.packageSetting = tree.packageSetting; bp.perm = new PackageParser.Permission(tree.perm.owner, new PermissionInfo(bp.pendingInfo)); bp.perm.info.packageName = tree.perm.info.packageName; bp.perm.info.name = bp.name; bp.uid = tree.uid; } } } if (bp.packageSetting == null) { // We may not yet have parsed the package, so just see if // we still know about its settings. bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); } if (bp.packageSetting == null) { Slog.w(TAG, "Removing dangling permission: " + bp.name + " from package " + bp.sourcePackage); it.remove(); } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { Slog.i(TAG, "Removing old permission: " + bp.name + " from package " + bp.sourcePackage); flags |= UPDATE_PERMISSIONS_ALL; it.remove(); } } } // Now update the permissions for all packages, in particular // replace the granted permissions of the system packages. if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { for (PackageParser.Package pkg : mPackages.values()) { if (pkg != pkgInfo) { grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0, changingPkg); } } } if (pkgInfo != null) { grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg); } } private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, String packageOfInterest) { final PackageSetting ps = (PackageSetting) pkg.mExtras; if (ps == null) { return; } final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; ArraySet origPermissions = gp.grantedPermissions; boolean changedPermission = false; if (replace) { ps.permissionsFixed = false; if (gp == ps) { origPermissions = new ArraySet(gp.grantedPermissions); gp.grantedPermissions.clear(); gp.gids = mGlobalGids; } } if (gp.gids == null) { gp.gids = mGlobalGids; } final int N = pkg.requestedPermissions.size(); for (int i=0; i pkgs = mAppOpPermissionPackages.get(bp.name); if (pkgs == null) { pkgs = new ArraySet<>(); mAppOpPermissionPackages.put(bp.name, pkgs); } pkgs.add(pkg.packageName); } final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; if (level == PermissionInfo.PROTECTION_NORMAL || level == PermissionInfo.PROTECTION_DANGEROUS) { // We grant a normal or dangerous permission if any of the following // are true: // 1) The permission is required // 2) The permission is optional, but was granted in the past // 3) The permission is optional, but was requested by an // app in /system (not /data) // // Otherwise, reject the permission. allowed = (required || origPermissions.contains(perm) || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); } else if (bp.packageSetting == null) { // This permission is invalid; skip it. allowed = false; } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); if (allowed) { allowedSig = true; } } else { allowed = false; } if (DEBUG_INSTALL) { if (gp != ps) { Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); } } if (allowed) { if (!isSystemApp(ps) && 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)) { // Except... if this is a permission that was added // to the platform (note: need to only do this when // updating the platform). allowed = isNewPlatformPermissionForPackage(perm, pkg); } } 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 { if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 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 if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { // Don't print warning for app op permissions, since it is fine for them // not to be granted, there is a UI for the user to decide. if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { Slog.w(TAG, "Not granting permission " + perm + " to package " + pkg.packageName + " (protectionLevel=" + bp.protectionLevel + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) + ")"); } } } } if ((changedPermission || replace) && !ps.permissionsFixed && !isSystemApp(ps) || isUpdatedSystemApp(ps)){ // 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 boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { boolean allowed = false; final int NP = PackageParser.NEW_PERMISSIONS.length; for (int ip=0; ip origPermissions) { boolean allowed; allowed = (compareSignatures( bp.packageSetting.signatures.mSignatures, pkg.mSignatures) == PackageManager.SIGNATURE_MATCH) || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) == PackageManager.SIGNATURE_MATCH); if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { if (isSystemApp(pkg)) { // For updated system applications, a system permission // is granted only if it had been defined by the original application. if (isUpdatedSystemApp(pkg)) { final PackageSetting sysPs = mSettings .getDisabledSystemPkgLPr(pkg.packageName); final GrantedPermissions origGp = sysPs.sharedUser != null ? sysPs.sharedUser : sysPs; if (origGp.grantedPermissions.contains(perm)) { // If the original was granted this permission, we take // that grant decision as read and propagate it to the // update. if (sysPs.isPrivileged()) { allowed = true; } } else { // The system apk may have been updated with an older // version of the one on the data partition, but which // granted a new system permission that it didn't have // before. In this case we do want to allow the app to // now get the new permission if the ancestral apk is // privileged to get it. if (sysPs.pkg != null && sysPs.isPrivileged()) { for (int j=0; j { public List queryIntent(Intent intent, String resolvedType, boolean defaultOnly, int userId) { if (!sUserManager.exists(userId)) return null; mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; return super.queryIntent(intent, resolvedType, defaultOnly, userId); } public List queryIntent(Intent intent, String resolvedType, int flags, int userId) { if (!sUserManager.exists(userId)) return null; mFlags = flags; return super.queryIntent(intent, resolvedType, (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); } public List queryIntentForPackage(Intent intent, String resolvedType, int flags, ArrayList packageActivities, int userId) { if (!sUserManager.exists(userId)) return null; if (packageActivities == null) { return null; } mFlags = flags; final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; final int N = packageActivities.size(); ArrayList listCut = new ArrayList(N); ArrayList intentFilters; for (int i = 0; i < N; ++i) { intentFilters = packageActivities.get(i).intents; if (intentFilters != null && intentFilters.size() > 0) { PackageParser.ActivityIntentInfo[] array = new PackageParser.ActivityIntentInfo[intentFilters.size()]; intentFilters.toArray(array); listCut.add(array); } } return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); } public final void addActivity(PackageParser.Activity a, String type) { final boolean systemApp = isSystemApp(a.info.applicationInfo); mActivities.put(a.getComponentName(), a); if (DEBUG_SHOW_INFO) Log.v( TAG, " " + type + " " + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); if (DEBUG_SHOW_INFO) Log.v(TAG, " Class=" + a.info.name); final int NI = a.intents.size(); for (int j=0; j 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 dest) { ActivityInfo filterAi = filter.activity.info; for (int i=dest.size()-1; i>=0; i--) { ActivityInfo destAi = dest.get(i).activityInfo; if (destAi.name == filterAi.name && destAi.packageName == filterAi.packageName) { return false; } } return true; } @Override protected ActivityIntentInfo[] newArray(int size) { return new ActivityIntentInfo[size]; } @Override protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { if (!sUserManager.exists(userId)) return true; PackageParser.Package p = filter.activity.owner; if (p != null) { PackageSetting ps = (PackageSetting)p.mExtras; if (ps != null) { // System apps are never considered stopped for purposes of // filtering, because there may be no way for the user to // actually re-launch them. return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 && ps.getStopped(userId); } } return false; } @Override protected boolean isPackageForFilter(String packageName, PackageParser.ActivityIntentInfo info) { return packageName.equals(info.activity.owner.packageName); } @Override protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, int match, int userId) { if (!sUserManager.exists(userId)) return null; if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { return null; } final PackageParser.Activity activity = info.activity; if (mSafeMode && (activity.info.applicationInfo.flags &ApplicationInfo.FLAG_SYSTEM) == 0) { return null; } PackageSetting ps = (PackageSetting) activity.owner.mExtras; if (ps == null) { return null; } ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, ps.readUserState(userId), userId); if (ai == null) { return null; } final ResolveInfo res = new ResolveInfo(); res.activityInfo = ai; if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { res.filter = info; } res.priority = info.getPriority(); res.preferredOrder = activity.owner.mPreferredOrder; //System.out.println("Result: " + res.activityInfo.className + // " = " + res.priority); res.match = match; res.isDefault = info.hasDefault; res.labelRes = info.labelRes; res.nonLocalizedLabel = info.nonLocalizedLabel; if (userNeedsBadging(userId)) { res.noResourceId = true; } else { res.icon = info.icon; } res.system = isSystemApp(res.activityInfo.applicationInfo); return res; } @Override protected void sortResults(List results) { Collections.sort(results, mResolvePrioritySorter); } @Override protected void dumpFilter(PrintWriter out, String prefix, PackageParser.ActivityIntentInfo filter) { out.print(prefix); out.print( Integer.toHexString(System.identityHashCode(filter.activity))); out.print(' '); filter.activity.printComponentShortName(out); out.print(" filter "); out.println(Integer.toHexString(System.identityHashCode(filter))); } @Override protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { return filter.activity; } protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { PackageParser.Activity activity = (PackageParser.Activity)label; out.print(prefix); out.print( Integer.toHexString(System.identityHashCode(activity))); out.print(' '); activity.printComponentShortName(out); if (count > 1) { out.print(" ("); out.print(count); out.print(" filters)"); } out.println(); } // List filterEnabled(List resolveInfoList) { // final Iterator i = resolveInfoList.iterator(); // final List retList = Lists.newArrayList(); // while (i.hasNext()) { // final ResolveInfo resolveInfo = i.next(); // if (isEnabledLP(resolveInfo.activityInfo)) { // retList.add(resolveInfo); // } // } // return retList; // } // Keys are String (activity class name), values are Activity. private final ArrayMap mActivities = new ArrayMap(); private int mFlags; } private final class ServiceIntentResolver extends IntentResolver { public List queryIntent(Intent intent, String resolvedType, boolean defaultOnly, int userId) { mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; return super.queryIntent(intent, resolvedType, defaultOnly, userId); } public List queryIntent(Intent intent, String resolvedType, int flags, int userId) { if (!sUserManager.exists(userId)) return null; mFlags = flags; return super.queryIntent(intent, resolvedType, (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); } public List queryIntentForPackage(Intent intent, String resolvedType, int flags, ArrayList packageServices, int userId) { if (!sUserManager.exists(userId)) return null; if (packageServices == null) { return null; } mFlags = flags; final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; final int N = packageServices.size(); ArrayList listCut = new ArrayList(N); ArrayList intentFilters; for (int i = 0; i < N; ++i) { intentFilters = packageServices.get(i).intents; if (intentFilters != null && intentFilters.size() > 0) { PackageParser.ServiceIntentInfo[] array = new PackageParser.ServiceIntentInfo[intentFilters.size()]; intentFilters.toArray(array); listCut.add(array); } } return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); } public final void addService(PackageParser.Service s) { mServices.put(s.getComponentName(), s); if (DEBUG_SHOW_INFO) { Log.v(TAG, " " + (s.info.nonLocalizedLabel != null ? s.info.nonLocalizedLabel : s.info.name) + ":"); Log.v(TAG, " Class=" + s.info.name); } final int NI = s.intents.size(); int j; for (j=0; j 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 dest) { ServiceInfo filterSi = filter.service.info; for (int i=dest.size()-1; i>=0; i--) { ServiceInfo destAi = dest.get(i).serviceInfo; if (destAi.name == filterSi.name && destAi.packageName == filterSi.packageName) { return false; } } return true; } @Override protected PackageParser.ServiceIntentInfo[] newArray(int size) { return new PackageParser.ServiceIntentInfo[size]; } @Override protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { if (!sUserManager.exists(userId)) return true; PackageParser.Package p = filter.service.owner; if (p != null) { PackageSetting ps = (PackageSetting)p.mExtras; if (ps != null) { // System apps are never considered stopped for purposes of // filtering, because there may be no way for the user to // actually re-launch them. return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 && ps.getStopped(userId); } } return false; } @Override protected boolean isPackageForFilter(String packageName, PackageParser.ServiceIntentInfo info) { return packageName.equals(info.service.owner.packageName); } @Override protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, int match, int userId) { if (!sUserManager.exists(userId)) return null; final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { return null; } final PackageParser.Service service = info.service; if (mSafeMode && (service.info.applicationInfo.flags &ApplicationInfo.FLAG_SYSTEM) == 0) { return null; } PackageSetting ps = (PackageSetting) service.owner.mExtras; if (ps == null) { return null; } ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, ps.readUserState(userId), userId); if (si == null) { return null; } final ResolveInfo res = new ResolveInfo(); res.serviceInfo = si; if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { res.filter = filter; } res.priority = info.getPriority(); res.preferredOrder = service.owner.mPreferredOrder; //System.out.println("Result: " + res.activityInfo.className + // " = " + res.priority); res.match = match; res.isDefault = info.hasDefault; res.labelRes = info.labelRes; res.nonLocalizedLabel = info.nonLocalizedLabel; res.icon = info.icon; res.system = isSystemApp(res.serviceInfo.applicationInfo); return res; } @Override protected void sortResults(List 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(' '); filter.service.printComponentShortName(out); out.print(" filter "); out.println(Integer.toHexString(System.identityHashCode(filter))); } @Override protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { return filter.service; } protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { PackageParser.Service service = (PackageParser.Service)label; out.print(prefix); out.print( Integer.toHexString(System.identityHashCode(service))); out.print(' '); service.printComponentShortName(out); if (count > 1) { out.print(" ("); out.print(count); out.print(" filters)"); } out.println(); } // List filterEnabled(List resolveInfoList) { // final Iterator i = resolveInfoList.iterator(); // final List retList = Lists.newArrayList(); // while (i.hasNext()) { // final ResolveInfo resolveInfo = (ResolveInfo) i; // if (isEnabledLP(resolveInfo.serviceInfo)) { // retList.add(resolveInfo); // } // } // return retList; // } // Keys are String (activity class name), values are Activity. private final ArrayMap mServices = new ArrayMap(); private int mFlags; }; private final class ProviderIntentResolver extends IntentResolver { public List queryIntent(Intent intent, String resolvedType, boolean defaultOnly, int userId) { mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; return super.queryIntent(intent, resolvedType, defaultOnly, userId); } public List queryIntent(Intent intent, String resolvedType, int flags, int userId) { if (!sUserManager.exists(userId)) return null; mFlags = flags; return super.queryIntent(intent, resolvedType, (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); } public List queryIntentForPackage(Intent intent, String resolvedType, int flags, ArrayList packageProviders, int userId) { if (!sUserManager.exists(userId)) return null; if (packageProviders == null) { return null; } mFlags = flags; final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; final int N = packageProviders.size(); ArrayList listCut = new ArrayList(N); ArrayList intentFilters; for (int i = 0; i < N; ++i) { intentFilters = packageProviders.get(i).intents; if (intentFilters != null && intentFilters.size() > 0) { PackageParser.ProviderIntentInfo[] array = new PackageParser.ProviderIntentInfo[intentFilters.size()]; intentFilters.toArray(array); listCut.add(array); } } return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); } public final void addProvider(PackageParser.Provider p) { if (mProviders.containsKey(p.getComponentName())) { Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); return; } mProviders.put(p.getComponentName(), p); if (DEBUG_SHOW_INFO) { Log.v(TAG, " " + (p.info.nonLocalizedLabel != null ? p.info.nonLocalizedLabel : p.info.name) + ":"); Log.v(TAG, " Class=" + p.info.name); } final int NI = p.intents.size(); int j; for (j = 0; j < NI; j++) { PackageParser.ProviderIntentInfo intent = p.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 Provider " + p.info.name); } addFilter(intent); } } public final void removeProvider(PackageParser.Provider p) { mProviders.remove(p.getComponentName()); if (DEBUG_SHOW_INFO) { Log.v(TAG, " " + (p.info.nonLocalizedLabel != null ? p.info.nonLocalizedLabel : p.info.name) + ":"); Log.v(TAG, " Class=" + p.info.name); } final int NI = p.intents.size(); int j; for (j = 0; j < NI; j++) { PackageParser.ProviderIntentInfo intent = p.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.ProviderIntentInfo filter, List dest) { ProviderInfo filterPi = filter.provider.info; for (int i = dest.size() - 1; i >= 0; i--) { ProviderInfo destPi = dest.get(i).providerInfo; if (destPi.name == filterPi.name && destPi.packageName == filterPi.packageName) { return false; } } return true; } @Override protected PackageParser.ProviderIntentInfo[] newArray(int size) { return new PackageParser.ProviderIntentInfo[size]; } @Override protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { if (!sUserManager.exists(userId)) return true; PackageParser.Package p = filter.provider.owner; if (p != null) { PackageSetting ps = (PackageSetting) p.mExtras; if (ps != null) { // System apps are never considered stopped for purposes of // filtering, because there may be no way for the user to // actually re-launch them. return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 && ps.getStopped(userId); } } return false; } @Override protected boolean isPackageForFilter(String packageName, PackageParser.ProviderIntentInfo info) { return packageName.equals(info.provider.owner.packageName); } @Override protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, int match, int userId) { if (!sUserManager.exists(userId)) return null; final PackageParser.ProviderIntentInfo info = filter; if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { return null; } final PackageParser.Provider provider = info.provider; if (mSafeMode && (provider.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0) { return null; } PackageSetting ps = (PackageSetting) provider.owner.mExtras; if (ps == null) { return null; } ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, ps.readUserState(userId), userId); if (pi == null) { return null; } final ResolveInfo res = new ResolveInfo(); res.providerInfo = pi; if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { res.filter = filter; } res.priority = info.getPriority(); res.preferredOrder = provider.owner.mPreferredOrder; res.match = match; res.isDefault = info.hasDefault; res.labelRes = info.labelRes; res.nonLocalizedLabel = info.nonLocalizedLabel; res.icon = info.icon; res.system = isSystemApp(res.providerInfo.applicationInfo); return res; } @Override protected void sortResults(List results) { Collections.sort(results, mResolvePrioritySorter); } @Override protected void dumpFilter(PrintWriter out, String prefix, PackageParser.ProviderIntentInfo filter) { out.print(prefix); out.print( Integer.toHexString(System.identityHashCode(filter.provider))); out.print(' '); filter.provider.printComponentShortName(out); out.print(" filter "); out.println(Integer.toHexString(System.identityHashCode(filter))); } @Override protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { return filter.provider; } protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { PackageParser.Provider provider = (PackageParser.Provider)label; out.print(prefix); out.print( Integer.toHexString(System.identityHashCode(provider))); out.print(' '); provider.printComponentShortName(out); if (count > 1) { out.print(" ("); out.print(count); out.print(" filters)"); } out.println(); } private final ArrayMap mProviders = new ArrayMap(); private int mFlags; }; private static final Comparator mResolvePrioritySorter = new Comparator() { public int compare(ResolveInfo r1, ResolveInfo r2) { int v1 = r1.priority; int v2 = r2.priority; //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); if (v1 != v2) { return (v1 > v2) ? -1 : 1; } v1 = r1.preferredOrder; v2 = r2.preferredOrder; if (v1 != v2) { return (v1 > v2) ? -1 : 1; } if (r1.isDefault != r2.isDefault) { return r1.isDefault ? -1 : 1; } v1 = r1.match; v2 = r2.match; //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); if (v1 != v2) { return (v1 > v2) ? -1 : 1; } if (r1.system != r2.system) { return r1.system ? -1 : 1; } return 0; } }; private static final Comparator mProviderInitOrderSorter = new Comparator() { public int compare(ProviderInfo p1, ProviderInfo p2) { final int v1 = p1.initOrder; final int v2 = p2.initOrder; return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); } }; static final void sendPackageBroadcast(String action, String pkg, Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, int[] userIds) { IActivityManager am = ActivityManagerNative.getDefault(); if (am != null) { try { if (userIds == null) { userIds = am.getRunningUserIds(); } for (int id : userIds) { final Intent intent = new Intent(action, pkg != null ? Uri.fromParts("package", pkg, null) : null); if (extras != null) { intent.putExtras(extras); } if (targetPkg != null) { intent.setPackage(targetPkg); } // Modify the UID when posting to other users int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); if (uid > 0 && UserHandle.getUserId(uid) != id) { uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); intent.putExtra(Intent.EXTRA_UID, uid); } intent.putExtra(Intent.EXTRA_USER_HANDLE, id); intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); if (DEBUG_BROADCASTS) { RuntimeException here = new RuntimeException("here"); here.fillInStackTrace(); Slog.d(TAG, "Sending to user " + id + ": " + intent.toShortString(false, true, false, false) + " " + intent.getExtras(), here); } am.broadcastIntent(null, intent, null, finishedReceiver, 0, null, null, null, android.app.AppOpsManager.OP_NONE, finishedReceiver != null, false, id); } } catch (RemoteException ex) { } } } /** * Check if the external storage media is available. This is true if there * is a mounted external storage medium or if the external storage is * emulated. */ private boolean isExternalMediaAvailable() { return mMediaMounted || Environment.isExternalStorageEmulated(); } @Override public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { // writer synchronized (mPackages) { if (!isExternalMediaAvailable()) { // If the external storage is no longer mounted at this point, // the caller may not have been able to delete all of this // packages files and can not delete any more. Bail. return null; } final ArrayList pkgs = mSettings.mPackagesToBeCleaned; if (lastPackage != null) { pkgs.remove(lastPackage); } if (pkgs.size() > 0) { return pkgs.get(0); } } return null; } void schedulePackageCleaning(String packageName, int userId, boolean andCode) { final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, userId, andCode ? 1 : 0, packageName); if (mSystemReady) { msg.sendToTarget(); } else { if (mPostSystemReadyMessages == null) { mPostSystemReadyMessages = new ArrayList<>(); } mPostSystemReadyMessages.add(msg); } } void startCleaningPackages() { // reader synchronized (mPackages) { if (!isExternalMediaAvailable()) { return; } if (mSettings.mPackagesToBeCleaned.isEmpty()) { return; } } Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); intent.setComponent(DEFAULT_CONTAINER_COMPONENT); IActivityManager am = ActivityManagerNative.getDefault(); if (am != null) { try { am.startService(null, intent, null, UserHandle.USER_OWNER); } catch (RemoteException e) { } } } @Override public void installPackage(String originPath, IPackageInstallObserver2 observer, int installFlags, String installerPackageName, VerificationParams verificationParams, String packageAbiOverride) { installPackageAsUser(originPath, observer, installFlags, installerPackageName, verificationParams, packageAbiOverride, UserHandle.getCallingUserId()); } @Override public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, int installFlags, String installerPackageName, VerificationParams verificationParams, String packageAbiOverride, int userId) { mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); final int callingUid = Binder.getCallingUid(); enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { try { if (observer != null) { observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); } } catch (RemoteException re) { } return; } if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { installFlags |= PackageManager.INSTALL_FROM_ADB; } else { // Caller holds INSTALL_PACKAGES permission, so we're less strict // about installerPackageName. installFlags &= ~PackageManager.INSTALL_FROM_ADB; installFlags &= ~PackageManager.INSTALL_ALL_USERS; } UserHandle user; if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { user = UserHandle.ALL; } else { user = new UserHandle(userId); } verificationParams.setInstallerUid(callingUid); final File originFile = new File(originPath); final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); final Message msg = mHandler.obtainMessage(INIT_COPY); msg.obj = new InstallParams(origin, observer, installFlags, installerPackageName, verificationParams, user, packageAbiOverride); mHandler.sendMessage(msg); } void installStage(String packageName, File stagedDir, String stagedCid, IPackageInstallObserver2 observer, PackageInstaller.SessionParams params, String installerPackageName, int installerUid, UserHandle user) { final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, params.referrerUri, installerUid, null); final OriginInfo origin; if (stagedDir != null) { origin = OriginInfo.fromStagedFile(stagedDir); } else { origin = OriginInfo.fromStagedContainer(stagedCid); } final Message msg = mHandler.obtainMessage(INIT_COPY); msg.obj = new InstallParams(origin, observer, params.installFlags, installerPackageName, verifParams, user, params.abiOverride); mHandler.sendMessage(msg); } private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { Bundle extras = new Bundle(1); extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, extras, null, null, new int[] {userId}); try { IActivityManager am = ActivityManagerNative.getDefault(); final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); if (isSystem && am.isUserRunning(userId, false)) { // The just-installed/enabled app is bundled on the system, so presumed // to be able to run automatically without needing an explicit launch. // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) .setPackage(packageName); am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, android.app.AppOpsManager.OP_NONE, false, false, userId); } } catch (RemoteException e) { // shouldn't happen Slog.w(TAG, "Unable to bootstrap installed package", e); } } @Override public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, int userId) { mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); PackageSetting pkgSetting; final int uid = Binder.getCallingUid(); enforceCrossUserPermission(uid, userId, true, true, "setApplicationHiddenSetting for user " + userId); if (hidden && isPackageDeviceAdmin(packageName, userId)) { Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); return false; } long callingId = Binder.clearCallingIdentity(); try { boolean sendAdded = false; boolean sendRemoved = false; // writer synchronized (mPackages) { pkgSetting = mSettings.mPackages.get(packageName); if (pkgSetting == null) { return false; } if (pkgSetting.getHidden(userId) != hidden) { pkgSetting.setHidden(hidden, userId); mSettings.writePackageRestrictionsLPr(userId); if (hidden) { sendRemoved = true; } else { sendAdded = true; } } } if (sendAdded) { sendPackageAddedForUser(packageName, pkgSetting, userId); return true; } if (sendRemoved) { killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), "hiding pkg"); sendApplicationHiddenForUser(packageName, pkgSetting, userId); } } finally { Binder.restoreCallingIdentity(callingId); } return false; } private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, int userId) { final PackageRemovedInfo info = new PackageRemovedInfo(); info.removedPackage = packageName; info.removedUsers = new int[] {userId}; info.uid = UserHandle.getUid(userId, pkgSetting.appId); info.sendBroadcast(false, false, false); } /** * Returns true if application is not found or there was an error. Otherwise it returns * the hidden state of the package for the given user. */ @Override public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "getApplicationHidden for user " + userId); PackageSetting pkgSetting; long callingId = Binder.clearCallingIdentity(); try { // writer synchronized (mPackages) { pkgSetting = mSettings.mPackages.get(packageName); if (pkgSetting == null) { return true; } return pkgSetting.getHidden(userId); } } finally { Binder.restoreCallingIdentity(callingId); } } /** * @hide */ @Override public int installExistingPackageAsUser(String packageName, int userId) { mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); PackageSetting pkgSetting; final int uid = Binder.getCallingUid(); enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " + userId); if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { return PackageManager.INSTALL_FAILED_USER_RESTRICTED; } long callingId = Binder.clearCallingIdentity(); try { boolean sendAdded = false; Bundle extras = new Bundle(1); // writer synchronized (mPackages) { pkgSetting = mSettings.mPackages.get(packageName); if (pkgSetting == null) { return PackageManager.INSTALL_FAILED_INVALID_URI; } if (!pkgSetting.getInstalled(userId)) { pkgSetting.setInstalled(true, userId); pkgSetting.setHidden(false, userId); mSettings.writePackageRestrictionsLPr(userId); sendAdded = true; } } if (sendAdded) { sendPackageAddedForUser(packageName, pkgSetting, userId); } } finally { Binder.restoreCallingIdentity(callingId); } return PackageManager.INSTALL_SUCCEEDED; } boolean isUserRestricted(int userId, String restrictionKey) { Bundle restrictions = sUserManager.getUserRestrictions(userId); if (restrictions.getBoolean(restrictionKey, false)) { Log.w(TAG, "User is restricted: " + restrictionKey); return true; } return false; } @Override public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, "Only package verification agents can verify applications"); final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); final PackageVerificationResponse response = new PackageVerificationResponse( verificationCode, Binder.getCallingUid()); msg.arg1 = id; msg.obj = response; mHandler.sendMessage(msg); } @Override public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, long millisecondsToDelay) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, "Only package verification agents can extend verification timeouts"); final PackageVerificationState state = mPendingVerification.get(id); final PackageVerificationResponse response = new PackageVerificationResponse( verificationCodeAtTimeout, Binder.getCallingUid()); if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; } if (millisecondsToDelay < 0) { millisecondsToDelay = 0; } if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; } if ((state != null) && !state.timeoutExtended()) { state.extendTimeout(); final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); msg.arg1 = id; msg.obj = response; mHandler.sendMessageDelayed(msg, millisecondsToDelay); } } private void broadcastPackageVerified(int verificationId, Uri packageUri, int verificationCode, UserHandle user) { final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); mContext.sendBroadcastAsUser(intent, user, android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); } private ComponentName matchComponentForVerifier(String packageName, List 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 matchVerifiers(PackageInfoLite pkgInfo, List receivers, final PackageVerificationState verificationState) { if (pkgInfo.verifiers.length == 0) { return null; } final int N = pkgInfo.verifiers.length; final List sufficientVerifiers = new ArrayList(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; } } @Override public void finishPackageInstall(int token) { enforceSystemOrRoot("Only the system is allowed to finish installs"); if (DEBUG_INSTALL) { Slog.v(TAG, "BM finishing package install for " + token); } final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); mHandler.sendMessage(msg); } /** * Get the verification agent timeout. * * @return verification timeout in milliseconds */ private long getVerificationTimeout() { return android.provider.Settings.Global.getLong(mContext.getContentResolver(), android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, DEFAULT_VERIFICATION_TIMEOUT); } /** * Get the default verification agent response code. * * @return default verification response code */ private int getDefaultVerificationResponse() { return android.provider.Settings.Global.getInt(mContext.getContentResolver(), android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, DEFAULT_VERIFICATION_RESPONSE); } /** * Check whether or not package verification has been enabled. * * @return true if verification should be performed */ private boolean isVerificationEnabled(int userId, int installFlags) { if (!DEFAULT_VERIFY_ENABLE) { return false; } boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); // Check if installing from ADB if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { // Do not run verification in a test harness environment if (ActivityManager.isRunningInTestHarness()) { return false; } if (ensureVerifyAppsEnabled) { return true; } // Check if the developer does not want package verification for ADB installs if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { return false; } } if (ensureVerifyAppsEnabled) { return true; } return android.provider.Settings.Global.getInt(mContext.getContentResolver(), android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; } /** * Get the "allow unknown sources" setting. * * @return the current "allow unknown sources" setting */ private int getUnknownSourcesSettings() { return android.provider.Settings.Global.getInt(mContext.getContentResolver(), android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, -1); } @Override 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, res); } args.doPostInstall(res.returnCode, res.uid); } // A restore should be performed at this point if (a) the install // succeeded, (b) the operation is not an update, and (c) the new // package has not opted out of backup participation. final boolean update = res.removedInfo.removedPackage != null; final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; boolean doRestore = !update && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); // 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 { if (bm.isBackupServiceActive(UserHandle.USER_OWNER)) { bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); } else { doRestore = false; } } catch (RemoteException e) { // can't happen; the backup manager is local } catch (Exception e) { Slog.e(TAG, "Exception trying to enqueue restore", e); doRestore = false; } } else { Slog.e(TAG, "Backup Manager not found!"); doRestore = false; } } if (!doRestore) { // No restore possible, or the Backup Manager was mysteriously not // available -- just fire the post-install work request directly. if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); mHandler.sendMessage(msg); } } }); } private abstract class HandlerParams { private static final int MAX_RETRIES = 4; /** * Number of times startCopy() has been attempted and had a non-fatal * error. */ private int mRetries = 0; /** User handle for the user requesting the information or installation. */ private final UserHandle mUser; HandlerParams(UserHandle user) { mUser = user; } UserHandle getUser() { return mUser; } final boolean startCopy() { boolean res; try { if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); if (++mRetries > MAX_RETRIES) { Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); mHandler.sendEmptyMessage(MCS_GIVE_UP); handleServiceError(); return false; } else { handleStartCopy(); res = true; } } catch (RemoteException e) { if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); mHandler.sendEmptyMessage(MCS_RECONNECT); res = false; } handleReturnCode(); return res; } final void serviceError() { if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); handleServiceError(); handleReturnCode(); } abstract void handleStartCopy() throws RemoteException; abstract void handleServiceError(); abstract void handleReturnCode(); } class MeasureParams extends HandlerParams { private final PackageStats mStats; private boolean mSuccess; private final IPackageStatsObserver mObserver; public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { super(new UserHandle(stats.userHandle)); mObserver = observer; mStats = stats; } @Override public String toString() { return "MeasureParams{" + Integer.toHexString(System.identityHashCode(this)) + " " + mStats.packageName + "}"; } @Override void handleStartCopy() throws RemoteException { synchronized (mInstallLock) { mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); } if (mSuccess) { final boolean mounted; if (Environment.isExternalStorageEmulated()) { mounted = true; } else { final String status = Environment.getExternalStorageState(); mounted = (Environment.MEDIA_MOUNTED.equals(status) || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); } if (mounted) { final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); mStats.externalCacheSize = calculateDirectorySize(mContainerService, userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); mStats.externalDataSize = calculateDirectorySize(mContainerService, userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); // Always subtract cache size, since it's a subdirectory mStats.externalDataSize -= mStats.externalCacheSize; mStats.externalMediaSize = calculateDirectorySize(mContainerService, userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); mStats.externalObbSize = calculateDirectorySize(mContainerService, userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); } } } @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"); } } private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) throws RemoteException { long result = 0; for (File path : paths) { result += mcs.calculateDirectorySize(path.getAbsolutePath()); } return result; } private static void clearDirectory(IMediaContainerService mcs, File[] paths) { for (File path : paths) { try { mcs.clearDirectory(path.getAbsolutePath()); } catch (RemoteException e) { } } } static class OriginInfo { /** * Location where install is coming from, before it has been * copied/renamed into place. This could be a single monolithic APK * file, or a cluster directory. This location may be untrusted. */ final File file; final String cid; /** * Flag indicating that {@link #file} or {@link #cid} has already been * staged, meaning downstream users don't need to defensively copy the * contents. */ final boolean staged; /** * Flag indicating that {@link #file} or {@link #cid} is an already * installed app that is being moved. */ final boolean existing; final String resolvedPath; final File resolvedFile; static OriginInfo fromNothing() { return new OriginInfo(null, null, false, false); } static OriginInfo fromUntrustedFile(File file) { return new OriginInfo(file, null, false, false); } static OriginInfo fromExistingFile(File file) { return new OriginInfo(file, null, false, true); } static OriginInfo fromStagedFile(File file) { return new OriginInfo(file, null, true, false); } static OriginInfo fromStagedContainer(String cid) { return new OriginInfo(null, cid, true, false); } private OriginInfo(File file, String cid, boolean staged, boolean existing) { this.file = file; this.cid = cid; this.staged = staged; this.existing = existing; if (cid != null) { resolvedPath = PackageHelper.getSdDir(cid); resolvedFile = new File(resolvedPath); } else if (file != null) { resolvedPath = file.getAbsolutePath(); resolvedFile = file; } else { resolvedPath = null; resolvedFile = null; } } } class InstallParams extends HandlerParams { final OriginInfo origin; final IPackageInstallObserver2 observer; int installFlags; final String installerPackageName; final VerificationParams verificationParams; private InstallArgs mArgs; private int mRet; final String packageAbiOverride; InstallParams(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, String installerPackageName, VerificationParams verificationParams, UserHandle user, String packageAbiOverride) { super(user); this.origin = origin; this.observer = observer; this.installFlags = installFlags; this.installerPackageName = installerPackageName; this.verificationParams = verificationParams; this.packageAbiOverride = packageAbiOverride; } @Override public String toString() { return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) + " file=" + origin.file + " cid=" + origin.cid + "}"; } public ManifestDigest getManifestDigest() { if (verificationParams == null) { return null; } return verificationParams.getManifestDigest(); } private int installLocationPolicy(PackageInfoLite pkgLite) { String packageName = pkgLite.packageName; int installLocation = pkgLite.installLocation; boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; // reader synchronized (mPackages) { PackageParser.Package pkg = mPackages.get(packageName); if (pkg != null) { if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { // Check for downgrading. if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { try { checkDowngrade(pkg, pkgLite); } catch (PackageManagerException e) { Slog.w(TAG, "Downgrade detected: " + e.getMessage()); return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; } } // Check for updated system application. if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { if (onSd) { Slog.w(TAG, "Cannot install update to system app on sdcard"); return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; } return PackageHelper.RECOMMEND_INSTALL_INTERNAL; } else { if (onSd) { // Install flag overrides everything. return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; } // If current upgrade specifies particular preference if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { // Application explicitly specified internal. return PackageHelper.RECOMMEND_INSTALL_INTERNAL; } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { // App explictly prefers external. Let policy decide } else { // Prefer previous location if (isExternal(pkg)) { return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; } return PackageHelper.RECOMMEND_INSTALL_INTERNAL; } } } else { // Invalid install. Return error code return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; } } } // All the special cases have been taken care of. // Return result based on recommended install location. if (onSd) { return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; } return pkgLite.recommendedInstallLocation; } /* * Invoke remote method to get package information and install * location values. Override install location based on default * policy if needed and then create install arguments based * on the install location. */ public void handleStartCopy() throws RemoteException { int ret = PackageManager.INSTALL_SUCCEEDED; // If we're already staged, we've firmly committed to an install location if (origin.staged) { if (origin.file != null) { installFlags |= PackageManager.INSTALL_INTERNAL; installFlags &= ~PackageManager.INSTALL_EXTERNAL; } else if (origin.cid != null) { installFlags |= PackageManager.INSTALL_EXTERNAL; installFlags &= ~PackageManager.INSTALL_INTERNAL; } else { throw new IllegalStateException("Invalid stage location"); } } final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; final boolean onInt = (installFlags & 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 { pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, packageAbiOverride); /* * If we have too little free space, try to free cache * before giving up. */ if (!origin.staged && pkgLite.recommendedInstallLocation == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { // TODO: focus freeing disk space on the target device final StorageManager storage = StorageManager.from(mContext); final long lowThreshold = storage.getStorageLowBytes( Environment.getDataDirectory()); final long sizeBytes = mContainerService.calculateInstalledSize( origin.resolvedPath, isForwardLocked(), packageAbiOverride); if (mInstaller.freeCache(sizeBytes + lowThreshold) >= 0) { pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, packageAbiOverride); } /* * The cache free must have deleted the file we * downloaded to install. * * TODO: fix the "freeCache" call to not delete * the file we care about. */ if (pkgLite.recommendedInstallLocation == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { pkgLite.recommendedInstallLocation = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; } } } if (ret == PackageManager.INSTALL_SUCCEEDED) { int loc = pkgLite.recommendedInstallLocation; if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { ret = PackageManager.INSTALL_FAILED_INVALID_APK; } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { ret = PackageManager.INSTALL_FAILED_INVALID_URI; } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; } else { // Override with defaults if needed. loc = installLocationPolicy(pkgLite); if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; } else if (!onSd && !onInt) { // Override install location with flags if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { // Set the flag to install on external media. installFlags |= PackageManager.INSTALL_EXTERNAL; installFlags &= ~PackageManager.INSTALL_INTERNAL; } else { // Make sure the flag for installing on external // media is unset installFlags |= PackageManager.INSTALL_INTERNAL; installFlags &= ~PackageManager.INSTALL_EXTERNAL; } } } } final InstallArgs args = createInstallArgs(this); mArgs = args; if (ret == PackageManager.INSTALL_SUCCEEDED) { /* * ADB installs appear as UserHandle.USER_ALL, and can only be performed by * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. */ int userIdentifier = getUser().getIdentifier(); if (userIdentifier == UserHandle.USER_ALL && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { userIdentifier = UserHandle.USER_OWNER; } /* * Determine if we have any installed package verifiers. If we * do, then we'll defer to them to verify the packages. */ final int requiredUid = mRequiredVerifierPackage == null ? -1 : getPackageUid(mRequiredVerifierPackage, userIdentifier); if (!origin.existing && requiredUid != -1 && isVerificationEnabled(userIdentifier, installFlags)) { final Intent verification = new Intent( Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), PACKAGE_MIME_TYPE); verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); final List receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); if (DEBUG_VERIFY) { Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " + verification.toString() + " with " + pkgLite.verifiers.length + " optional verifiers"); } final int verificationId = mPendingVerificationToken++; verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, installerPackageName); verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, installFlags); verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, pkgLite.packageName); verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, pkgLite.versionCode); if (verificationParams != null) { if (verificationParams.getVerificationURI() != null) { verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, verificationParams.getVerificationURI()); } if (verificationParams.getOriginatingURI() != null) { verification.putExtra(Intent.EXTRA_ORIGINATING_URI, verificationParams.getOriginatingURI()); } if (verificationParams.getReferrer() != null) { verification.putExtra(Intent.EXTRA_REFERRER, verificationParams.getReferrer()); } if (verificationParams.getOriginatingUid() >= 0) { verification.putExtra(Intent.EXTRA_ORIGINATING_UID, verificationParams.getOriginatingUid()); } if (verificationParams.getInstallerUid() >= 0) { verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, verificationParams.getInstallerUid()); } } final PackageVerificationState verificationState = new PackageVerificationState( requiredUid, args); mPendingVerification.append(verificationId, verificationState); final List sufficientVerifiers = matchVerifiers(pkgLite, receivers, verificationState); /* * If any sufficient verifiers were listed in the package * manifest, attempt to ask them. */ if (sufficientVerifiers != null) { final int N = sufficientVerifiers.size(); if (N == 0) { Slog.i(TAG, "Additional verifiers required, but none installed."); ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; } else { for (int i = 0; i < N; i++) { final ComponentName verifierComponent = sufficientVerifiers.get(i); final Intent sufficientIntent = new Intent(verification); sufficientIntent.setComponent(verifierComponent); mContext.sendBroadcastAsUser(sufficientIntent, getUser()); } } } final ComponentName requiredVerifierComponent = matchComponentForVerifier( mRequiredVerifierPackage, receivers); if (ret == PackageManager.INSTALL_SUCCEEDED && mRequiredVerifierPackage != null) { /* * Send the intent to the required verification agent, * but only start the verification timeout after the * target BroadcastReceivers have run. */ verification.setComponent(requiredVerifierComponent); mContext.sendOrderedBroadcastAsUser(verification, getUser(), android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { final Message msg = mHandler .obtainMessage(CHECK_PENDING_VERIFICATION); msg.arg1 = verificationId; mHandler.sendMessageDelayed(msg, getVerificationTimeout()); } }, null, 0, null, null); /* * We don't want the copy to proceed until verification * succeeds, so null out this field. */ mArgs = null; } } else { /* * No package verification is enabled, so immediately start * the remote call to initiate copy using temporary file. */ ret = args.copyApk(mContainerService, true); } } mRet = ret; } @Override void handleReturnCode() { // If mArgs is null, then MCS couldn't be reached. When it // reconnects, it will try again to install. At that point, this // will succeed. if (mArgs != null) { processPendingInstall(mArgs, mRet); } } @Override void handleServiceError() { mArgs = createInstallArgs(this); mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; } public boolean isForwardLocked() { return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; } } /** * Used during creation of InstallArgs * * @param installFlags package installation flags * @return true if should be installed on external storage */ private static boolean installOnSd(int installFlags) { if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { return false; } if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { return true; } return false; } /** * Used during creation of InstallArgs * * @param installFlags package installation flags * @return true if should be installed as forward locked */ private static boolean installForwardLocked(int installFlags) { return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; } private InstallArgs createInstallArgs(InstallParams params) { if (installOnSd(params.installFlags) || params.isForwardLocked()) { return new AsecInstallArgs(params); } else { return new FileInstallArgs(params); } } /** * Create args that describe an existing installed package. Typically used * when cleaning up old installs, or used as a move source. */ private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, String resourcePath, String nativeLibraryRoot, String[] instructionSets) { final boolean isInAsec; if (installOnSd(installFlags)) { /* Apps on SD card are always in ASEC containers. */ isInAsec = true; } else if (installForwardLocked(installFlags) && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { /* * Forward-locked apps are only in ASEC containers if they're the * new style */ isInAsec = true; } else { isInAsec = false; } if (isInAsec) { return new AsecInstallArgs(codePath, instructionSets, installOnSd(installFlags), installForwardLocked(installFlags)); } else { return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot, instructionSets); } } static abstract class InstallArgs { /** @see InstallParams#origin */ final OriginInfo origin; final IPackageInstallObserver2 observer; // Always refers to PackageManager flags only final int installFlags; final String installerPackageName; final ManifestDigest manifestDigest; final UserHandle user; final String abiOverride; // The list of instruction sets supported by this app. This is currently // only used during the rmdex() phase to clean up resources. We can get rid of this // if we move dex files under the common app path. /* nullable */ String[] instructionSets; InstallArgs(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, String installerPackageName, ManifestDigest manifestDigest, UserHandle user, String[] instructionSets, String abiOverride) { this.origin = origin; this.installFlags = installFlags; this.observer = observer; this.installerPackageName = installerPackageName; this.manifestDigest = manifestDigest; this.user = user; this.instructionSets = instructionSets; this.abiOverride = abiOverride; } abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; abstract int doPreInstall(int status); /** * Rename package into final resting place. All paths on the given * scanned package should be updated to reflect the rename. */ abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); abstract int doPostInstall(int status, int uid); /** @see PackageSettingBase#codePathString */ abstract String getCodePath(); /** @see PackageSettingBase#resourcePathString */ abstract String getResourcePath(); abstract String getLegacyNativeLibraryPath(); // Need installer lock especially for dex file removal. abstract void cleanUpResourcesLI(); abstract boolean doPostDeleteLI(boolean delete); abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; /** * Called before the source arguments are copied. This is used mostly * for MoveParams when it needs to read the source file to put it in the * destination. */ int doPreCopy() { return PackageManager.INSTALL_SUCCEEDED; } /** * Called after the source arguments are copied. This is used mostly for * MoveParams when it needs to read the source file to put it in the * destination. * * @return */ int doPostCopy(int uid) { return PackageManager.INSTALL_SUCCEEDED; } protected boolean isFwdLocked() { return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; } protected boolean isExternal() { return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; } UserHandle getUser() { return user; } } /** * Logic to handle installation of non-ASEC applications, including copying * and renaming logic. */ class FileInstallArgs extends InstallArgs { private File codeFile; private File resourceFile; private File legacyNativeLibraryPath; // Example topology: // /data/app/com.example/base.apk // /data/app/com.example/split_foo.apk // /data/app/com.example/lib/arm/libfoo.so // /data/app/com.example/lib/arm64/libfoo.so // /data/app/com.example/dalvik/arm/base.apk@classes.dex /** New install */ FileInstallArgs(InstallParams params) { super(params.origin, params.observer, params.installFlags, params.installerPackageName, params.getManifestDigest(), params.getUser(), null /* instruction sets */, params.packageAbiOverride); if (isFwdLocked()) { throw new IllegalArgumentException("Forward locking only supported in ASEC"); } } /** Existing install */ FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath, String[] instructionSets) { super(OriginInfo.fromNothing(), null, 0, null, null, null, instructionSets, null); this.codeFile = (codePath != null) ? new File(codePath) : null; this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ? new File(legacyNativeLibraryPath) : null; } boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { final long sizeBytes = imcs.calculateInstalledSize(origin.file.getAbsolutePath(), isFwdLocked(), abiOverride); final StorageManager storage = StorageManager.from(mContext); return (sizeBytes <= storage.getStorageBytesUntilLow(Environment.getDataDirectory())); } int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { if (origin.staged) { Slog.d(TAG, origin.file + " already staged; skipping copy"); codeFile = origin.file; resourceFile = origin.file; return PackageManager.INSTALL_SUCCEEDED; } try { final File tempDir = mInstallerService.allocateInternalStageDirLegacy(); codeFile = tempDir; resourceFile = tempDir; } catch (IOException e) { Slog.w(TAG, "Failed to create copy file: " + e); return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; } final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { @Override public ParcelFileDescriptor open(String name, int mode) throws RemoteException { if (!FileUtils.isValidExtFilename(name)) { throw new IllegalArgumentException("Invalid filename: " + name); } try { final File file = new File(codeFile, name); final FileDescriptor fd = Os.open(file.getAbsolutePath(), O_RDWR | O_CREAT, 0644); Os.chmod(file.getAbsolutePath(), 0644); return new ParcelFileDescriptor(fd); } catch (ErrnoException e) { throw new RemoteException("Failed to open: " + e.getMessage()); } } }; int ret = PackageManager.INSTALL_SUCCEEDED; ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); if (ret != PackageManager.INSTALL_SUCCEEDED) { Slog.e(TAG, "Failed to copy package"); return ret; } final File libraryRoot = new File(codeFile, LIB_DIR_NAME); NativeLibraryHelper.Handle handle = null; try { handle = NativeLibraryHelper.Handle.create(codeFile); ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, abiOverride); } catch (IOException e) { Slog.e(TAG, "Copying native libraries failed", e); ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; } finally { IoUtils.closeQuietly(handle); } return ret; } int doPreInstall(int status) { if (status != PackageManager.INSTALL_SUCCEEDED) { cleanUp(); } return status; } boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { if (status != PackageManager.INSTALL_SUCCEEDED) { cleanUp(); return false; } else { final File beforeCodeFile = codeFile; final File afterCodeFile = getNextCodePath(pkg.packageName); Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); try { Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); } catch (ErrnoException e) { Slog.d(TAG, "Failed to rename", e); return false; } if (!SELinux.restoreconRecursive(afterCodeFile)) { Slog.d(TAG, "Failed to restorecon"); return false; } // Reflect the rename internally codeFile = afterCodeFile; resourceFile = afterCodeFile; // Reflect the rename in scanned details pkg.codePath = afterCodeFile.getAbsolutePath(); pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, pkg.baseCodePath); pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, pkg.splitCodePaths); // Reflect the rename in app info pkg.applicationInfo.setCodePath(pkg.codePath); pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); pkg.applicationInfo.setResourcePath(pkg.codePath); pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); return true; } } int doPostInstall(int status, int uid) { if (status != PackageManager.INSTALL_SUCCEEDED) { cleanUp(); } return status; } @Override String getCodePath() { return (codeFile != null) ? codeFile.getAbsolutePath() : null; } @Override String getResourcePath() { return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; } @Override String getLegacyNativeLibraryPath() { return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null; } private boolean cleanUp() { if (codeFile == null || !codeFile.exists()) { return false; } if (codeFile.isDirectory()) { FileUtils.deleteContents(codeFile); } codeFile.delete(); if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { resourceFile.delete(); } if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) { if (!FileUtils.deleteContents(legacyNativeLibraryPath)) { Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath); } legacyNativeLibraryPath.delete(); } return true; } void cleanUpResourcesLI() { // Try enumerating all code paths before deleting List allCodePaths = Collections.EMPTY_LIST; if (codeFile != null && codeFile.exists()) { try { final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); allCodePaths = pkg.getAllCodePaths(); } catch (PackageParserException e) { // Ignored; we tried our best } } cleanUp(); if (!allCodePaths.isEmpty()) { if (instructionSets == null) { throw new IllegalStateException("instructionSet == null"); } String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); for (String codePath : allCodePaths) { for (String dexCodeInstructionSet : dexCodeInstructionSets) { int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); if (retCode < 0) { Slog.w(TAG, "Couldn't remove dex file for package: " + " at location " + codePath + ", retcode=" + retCode); // we don't consider this to be a failure of the core package deletion } } } } } boolean doPostDeleteLI(boolean delete) { // XXX err, shouldn't we respect the delete flag? cleanUpResourcesLI(); return true; } } private boolean isAsecExternal(String cid) { final String asecPath = PackageHelper.getSdFilesystem(cid); return !asecPath.startsWith(mAsecInternalPath); } private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws PackageManagerException { if (copyRet < 0) { if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { throw new PackageManagerException(copyRet, message); } } } /** * 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); } /** * Logic to handle installation of ASEC applications, including copying and * renaming logic. */ class AsecInstallArgs extends InstallArgs { static final String RES_FILE_NAME = "pkg.apk"; static final String PUBLIC_RES_FILE_NAME = "res.zip"; String cid; String packagePath; String resourcePath; String legacyNativeLibraryDir; /** New install */ AsecInstallArgs(InstallParams params) { super(params.origin, params.observer, params.installFlags, params.installerPackageName, params.getManifestDigest(), params.getUser(), null /* instruction sets */, params.packageAbiOverride); } /** Existing install */ AsecInstallArgs(String fullCodePath, String[] instructionSets, boolean isExternal, boolean isForwardLocked) { super(OriginInfo.fromNothing(), null, (isExternal ? INSTALL_EXTERNAL : 0) | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, instructionSets, null); // Hackily pretend we're still looking at a full code path if (!fullCodePath.endsWith(RES_FILE_NAME)) { fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); } // Extract cid from fullCodePath int eidx = fullCodePath.lastIndexOf("/"); String subStr1 = fullCodePath.substring(0, eidx); int sidx = subStr1.lastIndexOf("/"); cid = subStr1.substring(sidx+1, eidx); setMountPath(subStr1); } AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { super(OriginInfo.fromNothing(), null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, instructionSets, null); this.cid = cid; setMountPath(PackageHelper.getSdDir(cid)); } void createCopyFile() { cid = mInstallerService.allocateExternalStageCidLegacy(); } boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { final long sizeBytes = imcs.calculateInstalledSize(packagePath, isFwdLocked(), abiOverride); final File target; if (isExternal()) { target = new UserEnvironment(UserHandle.USER_OWNER).getExternalStorageDirectory(); } else { target = Environment.getDataDirectory(); } final StorageManager storage = StorageManager.from(mContext); return (sizeBytes <= storage.getStorageBytesUntilLow(target)); } int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { if (origin.staged) { Slog.d(TAG, origin.cid + " already staged; skipping copy"); cid = origin.cid; setMountPath(PackageHelper.getSdDir(cid)); return PackageManager.INSTALL_SUCCEEDED; } 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 newMountPath = imcs.copyPackageToContainer( origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternal(), isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); if (newMountPath != null) { setMountPath(newMountPath); return PackageManager.INSTALL_SUCCEEDED; } else { return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; } } @Override String getCodePath() { return packagePath; } @Override String getResourcePath() { return resourcePath; } @Override String getLegacyNativeLibraryPath() { return legacyNativeLibraryDir; } int doPreInstall(int status) { if (status != PackageManager.INSTALL_SUCCEEDED) { // Destroy container PackageHelper.destroySdDir(cid); } else { boolean mounted = PackageHelper.isContainerMounted(cid); if (!mounted) { String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), Process.SYSTEM_UID); if (newMountPath != null) { setMountPath(newMountPath); } else { return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; } } } return status; } boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); String newMountPath = 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); newMountPath = PackageHelper.mountSdDir(newCacheId, getEncryptKey(), Process.SYSTEM_UID); } else { newMountPath = PackageHelper.getSdDir(newCacheId); } if (newMountPath == null) { Slog.w(TAG, "Failed to get cache path for " + newCacheId); return false; } Log.i(TAG, "Succesfully renamed " + cid + " to " + newCacheId + " at new path: " + newMountPath); cid = newCacheId; final File beforeCodeFile = new File(packagePath); setMountPath(newMountPath); final File afterCodeFile = new File(packagePath); // Reflect the rename in scanned details pkg.codePath = afterCodeFile.getAbsolutePath(); pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, pkg.baseCodePath); pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, pkg.splitCodePaths); // Reflect the rename in app info pkg.applicationInfo.setCodePath(pkg.codePath); pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); pkg.applicationInfo.setResourcePath(pkg.codePath); pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); return true; } private void setMountPath(String mountPath) { final File mountFile = new File(mountPath); final File monolithicFile = new File(mountFile, RES_FILE_NAME); if (monolithicFile.exists()) { packagePath = monolithicFile.getAbsolutePath(); if (isFwdLocked()) { resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); } else { resourcePath = packagePath; } } else { packagePath = mountFile.getAbsolutePath(); resourcePath = packagePath; } legacyNativeLibraryDir = new File(mountFile, LIB_DIR_NAME).getAbsolutePath(); } int doPostInstall(int status, int uid) { if (status != PackageManager.INSTALL_SUCCEEDED) { cleanUp(); } else { final int groupOwner; final String protectedFile; if (isFwdLocked()) { groupOwner = UserHandle.getSharedAppGid(uid); protectedFile = RES_FILE_NAME; } else { groupOwner = -1; protectedFile = null; } if (uid < Process.FIRST_APPLICATION_UID || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { Slog.e(TAG, "Failed to finalize " + cid); PackageHelper.destroySdDir(cid); return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; } boolean mounted = PackageHelper.isContainerMounted(cid); if (!mounted) { PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); } } return status; } private void cleanUp() { if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); // Destroy secure container PackageHelper.destroySdDir(cid); } private List getAllCodePaths() { final File codeFile = new File(getCodePath()); if (codeFile != null && codeFile.exists()) { try { final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); return pkg.getAllCodePaths(); } catch (PackageParserException e) { // Ignored; we tried our best } } return Collections.EMPTY_LIST; } void cleanUpResourcesLI() { // Enumerate all code paths before deleting cleanUpResourcesLI(getAllCodePaths()); } private void cleanUpResourcesLI(List allCodePaths) { cleanUp(); if (!allCodePaths.isEmpty()) { if (instructionSets == null) { throw new IllegalStateException("instructionSet == null"); } String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); for (String codePath : allCodePaths) { for (String dexCodeInstructionSet : dexCodeInstructionSets) { int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); if (retCode < 0) { Slog.w(TAG, "Couldn't remove dex file for package: " + " at location " + codePath + ", retcode=" + retCode); // we don't consider this to be a failure of the core package deletion } } } } } boolean matchContainer(String app) { if (cid.startsWith(app)) { return true; } return false; } String getPackageName() { return getAsecPackageName(cid); } boolean doPostDeleteLI(boolean delete) { if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); final List allCodePaths = getAllCodePaths(); boolean mounted = PackageHelper.isContainerMounted(cid); if (mounted) { // Unmount first if (PackageHelper.unMountSdDir(cid)) { mounted = false; } } if (!mounted && delete) { cleanUpResourcesLI(allCodePaths); } return !mounted; } @Override int doPreCopy() { if (isFwdLocked()) { if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; } } return PackageManager.INSTALL_SUCCEEDED; } @Override int doPostCopy(int uid) { if (isFwdLocked()) { if (uid < Process.FIRST_APPLICATION_UID || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), RES_FILE_NAME)) { Slog.e(TAG, "Failed to finalize " + cid); PackageHelper.destroySdDir(cid); return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; } } return PackageManager.INSTALL_SUCCEEDED; } } static String getAsecPackageName(String packageCid) { int idx = packageCid.lastIndexOf("-"); if (idx == -1) { return packageCid; } return packageCid.substring(0, idx); } // Utility method used to create code paths based on package name and available index. private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { String idxStr = ""; int idx = 1; // Fall back to default value of idx=1 if prefix is not // part of oldCodePath if (oldCodePath != null) { String subStr = oldCodePath; // Drop the suffix right away if (suffix != null && 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; } private File getNextCodePath(String packageName) { int suffix = 1; File result; do { result = new File(mAppInstallDir, packageName + "-" + suffix); suffix++; } while (result.exists()); return result; } // Utility method used to ignore ADD/REMOVE events // by directory observer. private static boolean ignoreCodePath(String fullPathStr) { String apkName = deriveCodePathName(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 deriveCodePathName(String codePath) { if (codePath == null) { return null; } final File codeFile = new File(codePath); final String name = codeFile.getName(); if (codeFile.isDirectory()) { return name; } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { final int lastDot = name.lastIndexOf('.'); return name.substring(0, lastDot); } else { Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); return null; } } class PackageInstalledInfo { String name; int uid; // The set of users that originally had this package installed. int[] origUsers; // The set of users that now have this package installed. int[] newUsers; PackageParser.Package pkg; int returnCode; String returnMsg; PackageRemovedInfo removedInfo; public void setError(int code, String msg) { returnCode = code; returnMsg = msg; Slog.w(TAG, msg); } public void setError(String msg, PackageParserException e) { returnCode = e.error; returnMsg = ExceptionUtils.getCompleteMessage(msg, e); Slog.w(TAG, msg, e); } public void setError(String msg, PackageManagerException e) { returnCode = e.error; returnMsg = ExceptionUtils.getCompleteMessage(msg, e); Slog.w(TAG, msg, e); } // In some error cases we want to convey more info back to the observer String origPackage; String origPermission; } /* * Install a non-existing package. */ private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, String installerPackageName, PackageInstalledInfo res) { // Remember this for later, in case we need to rollback this install String pkgName = pkg.packageName; if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); synchronized(mPackages) { if (mSettings.mRenamedPackages.containsKey(pkgName)) { // A package with the same name is already installed, though // it has been renamed to an older name. The package we // are trying to install should be installed as an update to // the existing one, but that has not been requested, so bail. res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName + " without first uninstalling package running as " + mSettings.mRenamedPackages.get(pkgName)); return; } if (mPackages.containsKey(pkgName)) { // Don't allow installation over an existing package with the same name. res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName + " without first uninstalling."); return; } } try { PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags, System.currentTimeMillis(), user); updateSettingsLI(newPackage, installerPackageName, null, null, res); // delete the partially installed application. the data directory will have to be // restored if it was already existing if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { // remove package from internal structures. Note that we want deletePackageX to // delete the package data and cache directories that it created in // scanPackageLocked, unless those directories existed before we even tried to // install. deletePackageLI(pkgName, UserHandle.ALL, false, null, null, dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, res.removedInfo, true); } } catch (PackageManagerException e) { res.setError("Package couldn't be installed in " + pkg.codePath, e); } } private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { // Upgrade keysets are being used. Determine if new package has a superset of the // required keys. long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); KeySetManagerService ksms = mSettings.mKeySetManagerService; for (int i = 0; i < upgradeKeySets.length; i++) { Set upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); if (newPkg.mSigningKeys.containsAll(upgradeSet)) { return true; } } return false; } private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, String installerPackageName, PackageInstalledInfo res) { PackageParser.Package oldPackage; String pkgName = pkg.packageName; int[] allUsers; boolean[] perUserInstalled; // First find the old package info and check signatures synchronized(mPackages) { oldPackage = mPackages.get(pkgName); if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); PackageSetting ps = mSettings.mPackages.get(pkgName); if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { // default to original signature matching if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "New package has a different signature: " + pkgName); return; } } else { if(!checkUpgradeKeySetLP(ps, pkg)) { res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "New package not signed by keys specified by upgrade-keysets: " + pkgName); return; } } // In case of rollback, remember per-user/profile install state allUsers = sUserManager.getUserIds(); perUserInstalled = new boolean[allUsers.length]; for (int i = 0; i < allUsers.length; i++) { perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; } } boolean sysPkg = (isSystemApp(oldPackage)); if (sysPkg) { replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, user, allUsers, perUserInstalled, installerPackageName, res); } else { replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, user, allUsers, perUserInstalled, installerPackageName, res); } } private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, int[] allUsers, boolean[] perUserInstalled, String installerPackageName, PackageInstalledInfo res) { String pkgName = deletedPackage.packageName; boolean deletedPkg = true; boolean updatedSettings = false; if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" + deletedPackage); long origUpdateTime; if (pkg.mExtras != null) { origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; } else { origUpdateTime = 0; } // First delete the existing package while retaining the data directory if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, res.removedInfo, true)) { // If the existing package wasn't successfully deleted res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); deletedPkg = false; } else { // Successfully deleted the old package; proceed with replace. // If deleted package lived in a container, give users a chance to // relinquish resources before killing. if (isForwardLocked(deletedPackage) || isExternal(deletedPackage)) { if (DEBUG_INSTALL) { Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); } final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; final ArrayList pkgList = new ArrayList(1); pkgList.add(deletedPackage.applicationInfo.packageName); sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); } deleteCodeCacheDirsLI(pkgName); try { final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); updatedSettings = true; } catch (PackageManagerException e) { res.setError("Package couldn't be installed in " + pkg.codePath, e); } } 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) { if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); deletePackageLI( pkgName, null, true, allUsers, perUserInstalled, PackageManager.DELETE_KEEP_DATA, res.removedInfo, true); } // Since we failed to install the new package we need to restore the old // package that we deleted. if (deletedPkg) { if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); File restoreFile = new File(deletedPackage.codePath); // 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 oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; try { scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); } catch (PackageManagerException e) { Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " + e.getMessage()); return; } // Restore of old package succeeded. Update permissions. // writer synchronized (mPackages) { updatePermissionsLPw(deletedPackage.packageName, deletedPackage, UPDATE_PERMISSIONS_ALL); // can downgrade to reader mSettings.writeLPr(); } Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); } } } private void replaceSystemPackageLI(PackageParser.Package deletedPackage, PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, int[] allUsers, boolean[] perUserInstalled, String installerPackageName, PackageInstalledInfo res) { if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg + ", old=" + deletedPackage); boolean disabledSystem = false; boolean updatedSettings = false; parseFlags |= PackageParser.PARSE_IS_SYSTEM; if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; } String packageName = deletedPackage.packageName; if (packageName == null) { res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "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)) { res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "Couldn't find package:" + packageName + " information"); return; } } killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); res.removedInfo.uid = oldPkg.applicationInfo.uid; res.removedInfo.removedPackage = packageName; // Remove existing system package removePackageLI(oldPkgSetting, true); // writer synchronized (mPackages) { disabledSystem = mSettings.disableSystemPackageLPw(packageName); if (!disabledSystem && 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 = createInstallArgsForExisting(0, deletedPackage.applicationInfo.getCodePath(), deletedPackage.applicationInfo.getResourcePath(), deletedPackage.applicationInfo.nativeLibraryRootDir, getAppDexInstructionSets(deletedPackage.applicationInfo)); } else { res.removedInfo.args = null; } } // Successfully disabled the old package. Now proceed with re-installation deleteCodeCacheDirsLI(packageName); res.returnCode = PackageManager.INSTALL_SUCCEEDED; pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; PackageParser.Package newPackage = null; try { newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user); if (newPackage.mExtras != null) { final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; newPkgSetting.lastUpdateTime = System.currentTimeMillis(); // is the update attempting to change shared user? that isn't going to work... if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, "Forbidding shared user change from " + oldPkgSetting.sharedUser + " to " + newPkgSetting.sharedUser); updatedSettings = true; } } if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); updatedSettings = true; } } catch (PackageManagerException e) { res.setError("Package couldn't be installed in " + pkg.codePath, e); } if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { // Re installation failed. Restore old information // Remove new pkg information if (newPackage != null) { removeInstalledPackageLI(newPackage, true); } // Add back the old system package try { scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); } catch (PackageManagerException e) { Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); } // Restore the old system information in Settings synchronized (mPackages) { if (disabledSystem) { mSettings.enableSystemPackageLPw(packageName); } if (updatedSettings) { mSettings.setInstallerPackageName(packageName, oldPkgSetting.installerPackageName); } mSettings.writeLPr(); } } } private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, int[] allUsers, boolean[] perUserInstalled, 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 (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); synchronized (mPackages) { updatePermissionsLPw(newPackage.packageName, newPackage, UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 ? UPDATE_PERMISSIONS_ALL : 0)); // For system-bundled packages, we assume that installing an upgraded version // of the package implies that the user actually wants to run that new code, // so we enable the package. if (isSystemApp(newPackage)) { // NB: implicit assumption that system package upgrades apply to all users if (DEBUG_INSTALL) { Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); } PackageSetting ps = mSettings.mPackages.get(pkgName); if (ps != null) { if (res.origUsers != null) { for (int userHandle : res.origUsers) { ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userHandle, installerPackageName); } } // Also convey the prior install/uninstall state if (allUsers != null && perUserInstalled != null) { for (int i = 0; i < allUsers.length; i++) { if (DEBUG_INSTALL) { Slog.d(TAG, " user " + allUsers[i] + " => " + perUserInstalled[i]); } ps.setInstalled(perUserInstalled[i], allUsers[i]); } // these install state changes will be persisted in the // upcoming call to mSettings.writeLPr(). } } } 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, PackageInstalledInfo res) { final int installFlags = args.installFlags; String installerPackageName = args.installerPackageName; File tmpPackageFile = new File(args.getCodePath()); boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); boolean onSd = ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0); boolean replace = false; final int scanFlags = SCAN_NEW_INSTALL | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE; // Result object to be returned res.returnCode = PackageManager.INSTALL_SUCCEEDED; if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); // Retrieve PackageSettings and parse package final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); PackageParser pp = new PackageParser(); pp.setSeparateProcesses(mSeparateProcesses); pp.setDisplayMetrics(mMetrics); final PackageParser.Package pkg; try { pkg = pp.parsePackage(tmpPackageFile, parseFlags); } catch (PackageParserException e) { res.setError("Failed parse during installPackageLI", e); return; } // Mark that we have an install time CPU ABI override. pkg.cpuAbiOverride = args.abiOverride; String pkgName = res.name = pkg.packageName; if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); return; } } try { pp.collectCertificates(pkg, parseFlags); pp.collectManifestDigest(pkg); } catch (PackageParserException e) { res.setError("Failed collect during installPackageLI", e); 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.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest 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 ((installFlags & 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; if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" + oldName + " pkgName=" + pkgName); } else if (mPackages.containsKey(pkgName)) { // This package, under its official name, already exists // on the device; we should replace it. replace = true; if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); } } PackageSetting ps = mSettings.mPackages.get(pkgName); if (ps != null) { if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); // Quick sanity check that we're signed correctly if updating; // we'll check this again later when scanning, but we want to // bail early here before tripping over redefined permissions. if (!ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { try { verifySignaturesLP(ps, pkg); } catch (PackageManagerException e) { res.setError(e.error, e.getMessage()); return; } } else { if (!checkUpgradeKeySetLP(ps, pkg)) { res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " + pkg.packageName + " upgrade keys do not match the " + "previously installed version"); return; } } oldCodePath = mSettings.mPackages.get(pkgName).codePathString; if (ps.pkg != null && ps.pkg.applicationInfo != null) { systemApp = (ps.pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; } res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); } // Check whether the newly-scanned package wants to define an already-defined perm int N = pkg.permissions.size(); for (int i = N-1; i >= 0; i--) { PackageParser.Permission perm = pkg.permissions.get(i); BasePermission bp = mSettings.mPermissions.get(perm.info.name); if (bp != null) { // If the defining package is signed with our cert, it's okay. This // also includes the "updating the same package" case, of course. // "updating same package" could also involve key-rotation. final boolean sigsOk; if (!bp.sourcePackage.equals(pkg.packageName) || !(bp.packageSetting instanceof PackageSetting) || !bp.packageSetting.keySetData.isUsingUpgradeKeySets() || ((PackageSetting) bp.packageSetting).sharedUser != null) { sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; } else { sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); } if (!sigsOk) { // If the owning package is the system itself, we log but allow // install to proceed; we fail the install on all other permission // redefinitions. if (!bp.sourcePackage.equals("android")) { res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " + pkg.packageName + " attempting to redeclare permission " + perm.info.name + " already owned by " + bp.sourcePackage); res.origPermission = perm.info.name; res.origPackage = bp.sourcePackage; return; } else { Slog.w(TAG, "Package " + pkg.packageName + " attempting to redeclare system permission " + perm.info.name + "; ignoring new declaration"); pkg.permissions.remove(i); } } } } } if (systemApp && onSd) { // Disable updates to system apps on sdcard res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, "Cannot install updates to system apps on sdcard"); return; } if (!args.doRename(res.returnCode, pkg, oldCodePath)) { res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); return; } if (replace) { replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, installerPackageName, res); } else { installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, args.user, installerPackageName, res); } synchronized (mPackages) { final PackageSetting ps = mSettings.mPackages.get(pkgName); if (ps != null) { res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); } } } private static boolean isForwardLocked(PackageParser.Package pkg) { return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; } private static boolean isForwardLocked(ApplicationInfo info) { return (info.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; } private boolean isForwardLocked(PackageSetting ps) { return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; } private static boolean isMultiArch(PackageSetting ps) { return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; } private static boolean isMultiArch(ApplicationInfo info) { return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; } private static boolean isExternal(PackageParser.Package pkg) { return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; } private static boolean isExternal(PackageSetting ps) { return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; } private static boolean isExternal(ApplicationInfo info) { return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; } private static boolean isSystemApp(PackageParser.Package pkg) { return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; } private static boolean isPrivilegedApp(PackageParser.Package pkg) { return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; } private static boolean isSystemApp(ApplicationInfo info) { return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; } private static boolean isSystemApp(PackageSetting ps) { return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; } private static boolean isUpdatedSystemApp(PackageSetting ps) { return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; } private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; } private static boolean isUpdatedSystemApp(ApplicationInfo info) { return (info.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; } private int packageFlagsToInstallFlags(PackageSetting ps) { int installFlags = 0; if (isExternal(ps)) { installFlags |= PackageManager.INSTALL_EXTERNAL; } if (isForwardLocked(ps)) { installFlags |= PackageManager.INSTALL_FORWARD_LOCK; } return installFlags; } private void deleteTempPackageFiles() { final FilenameFilter filter = new FilenameFilter() { public boolean accept(File dir, String name) { return name.startsWith("vmdl") && name.endsWith(".tmp"); } }; for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { file.delete(); } } @Override public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, int flags) { deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, flags); } @Override public void deletePackage(final String packageName, final IPackageDeleteObserver2 observer, final int userId, final int flags) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.DELETE_PACKAGES, null); final int uid = Binder.getCallingUid(); if (UserHandle.getUserId(uid) != userId) { mContext.enforceCallingPermission( android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, "deletePackage for user " + userId); } if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { try { observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_USER_RESTRICTED, null); } catch (RemoteException re) { } return; } boolean uninstallBlocked = false; if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { int[] users = sUserManager.getUserIds(); for (int i = 0; i < users.length; ++i) { if (getBlockUninstallForUser(packageName, users[i])) { uninstallBlocked = true; break; } } } else { uninstallBlocked = getBlockUninstallForUser(packageName, userId); } if (uninstallBlocked) { try { observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); } catch (RemoteException re) { } return; } if (DEBUG_REMOVE) { Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); } // 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, userId, flags); if (observer != null) { try { observer.onPackageDeleted(packageName, returnCode, null); } catch (RemoteException e) { Log.i(TAG, "Observer no longer exists."); } //end catch } //end if } //end run }); } private boolean isPackageDeviceAdmin(String packageName, int userId) { IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); try { if (dpm != null) { if (dpm.isDeviceOwner(packageName)) { return true; } int[] users; if (userId == UserHandle.USER_ALL) { users = sUserManager.getUserIds(); } else { users = new int[]{userId}; } for (int i = 0; i < users.length; ++i) { if (dpm.packageHasActiveAdmins(packageName, users[i])) { return true; } } } } catch (RemoteException e) { } return false; } /** * This method is an internal method that could be get invoked either * to delete an installed package or to clean up a failed installation. * After deleting an installed package, a broadcast is sent to notify any * listeners that the package has been installed. For cleaning up a failed * installation, the broadcast is not necessary since the package's * installation wouldn't have sent the initial broadcast either * The key steps in deleting a package are * deleting the package information in internal structures like mPackages, * deleting the packages base directories through installd * updating mSettings to reflect current status * persisting settings for later use * sending a broadcast if necessary */ private int deletePackageX(String packageName, int userId, int flags) { final PackageRemovedInfo info = new PackageRemovedInfo(); final boolean res; final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 ? UserHandle.ALL : new UserHandle(userId); if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; } boolean removedForAllUsers = false; boolean systemUpdate = false; // for the uninstall-updates case and restricted profiles, remember the per- // userhandle installed state int[] allUsers; boolean[] perUserInstalled; synchronized (mPackages) { PackageSetting ps = mSettings.mPackages.get(packageName); allUsers = sUserManager.getUserIds(); perUserInstalled = new boolean[allUsers.length]; for (int i = 0; i < allUsers.length; i++) { perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; } } synchronized (mInstallLock) { if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); res = deletePackageLI(packageName, removeForUser, true, allUsers, perUserInstalled, flags | REMOVE_CHATTY, info, true); systemUpdate = info.isRemovedPackageSystemUpdate; if (res && !systemUpdate && mPackages.get(packageName) == null) { removedForAllUsers = true; } if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate + " removedForAllUsers=" + removedForAllUsers); } if (res) { info.sendBroadcast(true, systemUpdate, removedForAllUsers); // If the removed package was a system update, the old system package // was re-enabled; we need to broadcast this information if (systemUpdate) { Bundle extras = new Bundle(1); extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 ? info.removedAppId : info.uid); extras.putBoolean(Intent.EXTRA_REPLACING, true); sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, extras, null, null, null); sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, extras, null, null, null); sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, null, packageName, null, null); } } // Force a gc here. Runtime.getRuntime().gc(); // Delete the resources here after sending the broadcast to let // other processes clean up before deleting resources. if (info.args != null) { synchronized (mInstallLock) { info.args.doPostDeleteLI(true); } } return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; } static class PackageRemovedInfo { String removedPackage; int uid = -1; int removedAppId = -1; int[] removedUsers = null; boolean isRemovedPackageSystemUpdate = false; // Clean up resources deleted packages. InstallArgs args = null; void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { Bundle extras = new Bundle(1); extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); if (replacing) { extras.putBoolean(Intent.EXTRA_REPLACING, true); } extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); if (removedPackage != null) { sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, extras, null, null, removedUsers); if (fullRemove && !replacing) { sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, extras, null, null, removedUsers); } } if (removedAppId >= 0) { sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, removedUsers); } } } /* * This method deletes the package from internal data structures. If the DONT_DELETE_DATA * flag is not set, the data directory is removed as well. * make sure this flag is set for partially installed apps. If not its meaningless to * delete a partially installed application. */ private void removePackageDataLI(PackageSetting ps, int[] allUserHandles, boolean[] perUserInstalled, PackageRemovedInfo outInfo, int flags, boolean writeSettings) { String packageName = ps.name; if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); // Retrieve object to delete permissions for shared user later on final PackageSetting deletedPs; // reader synchronized (mPackages) { deletedPs = mSettings.mPackages.get(packageName); if (outInfo != null) { outInfo.removedPackage = packageName; outInfo.removedUsers = deletedPs != null ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) : null; } } if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { removeDataDirsLI(packageName); schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); } // writer synchronized (mPackages) { if (deletedPs != null) { if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { if (outInfo != null) { mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); outInfo.removedAppId = mSettings.removePackageLPw(packageName); } if (deletedPs != null) { updatePermissionsLPw(deletedPs.name, null, 0); if (deletedPs.sharedUser != null) { // remove permissions associated with package mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); } } clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); } // make sure to preserve per-user disabled state if this removal was just // a downgrade of a system app to the factory package if (allUserHandles != null && perUserInstalled != null) { if (DEBUG_REMOVE) { Slog.d(TAG, "Propagating install state across downgrade"); } for (int i = 0; i < allUserHandles.length; i++) { if (DEBUG_REMOVE) { Slog.d(TAG, " user " + allUserHandles[i] + " => " + perUserInstalled[i]); } ps.setInstalled(perUserInstalled[i], allUserHandles[i]); } } } // can downgrade to reader if (writeSettings) { // Save settings now mSettings.writeLPr(); } } if (outInfo != null) { // A user ID was deleted here. Go through all users and remove it // from KeyStore. removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); } } static boolean locationIsPrivileged(File path) { try { final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") .getCanonicalPath(); return path.getCanonicalPath().startsWith(privilegedAppDir); } catch (IOException e) { Slog.e(TAG, "Unable to access code path " + path); } return false; } /* * Tries to delete system package. */ private boolean deleteSystemPackageLI(PackageSetting newPs, int[] allUserHandles, boolean[] perUserInstalled, int flags, PackageRemovedInfo outInfo, boolean writeSettings) { final boolean applyUserRestrictions = (allUserHandles != null) && (perUserInstalled != null); PackageSetting disabledPs = null; // Confirm if the system package has been updated // An updated system app can be deleted. This will also have to restore // the system pkg from system partition // reader synchronized (mPackages) { disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); } if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs + " disabledPs=" + disabledPs); if (disabledPs == null) { Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); return false; } else if (DEBUG_REMOVE) { Slog.d(TAG, "Deleting system pkg from data partition"); } if (DEBUG_REMOVE) { if (applyUserRestrictions) { Slog.d(TAG, "Remembering install states:"); for (int i = 0; i < allUserHandles.length; i++) { Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); } } } // Delete the updated package outInfo.isRemovedPackageSystemUpdate = true; if (disabledPs.versionCode < newPs.versionCode) { // Delete data for downgrades flags &= ~PackageManager.DELETE_KEEP_DATA; } else { // Preserve data by setting flag flags |= PackageManager.DELETE_KEEP_DATA; } boolean ret = deleteInstalledPackageLI(newPs, true, flags, allUserHandles, perUserInstalled, outInfo, writeSettings); if (!ret) { return false; } // writer synchronized (mPackages) { // Reinstate the old system package mSettings.enableSystemPackageLPw(newPs.name); // Remove any native libraries from the upgraded package. NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); } // Install the system package if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; if (locationIsPrivileged(disabledPs.codePath)) { parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; } final PackageParser.Package newPkg; try { newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); } catch (PackageManagerException e) { Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); return false; } // writer synchronized (mPackages) { PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); updatePermissionsLPw(newPkg.packageName, newPkg, UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); if (applyUserRestrictions) { if (DEBUG_REMOVE) { Slog.d(TAG, "Propagating install state across reinstall"); } for (int i = 0; i < allUserHandles.length; i++) { if (DEBUG_REMOVE) { Slog.d(TAG, " user " + allUserHandles[i] + " => " + perUserInstalled[i]); } ps.setInstalled(perUserInstalled[i], allUserHandles[i]); } // Regardless of writeSettings we need to ensure that this restriction // state propagation is persisted mSettings.writeAllUsersPackageRestrictionsLPr(); } // can downgrade to reader here if (writeSettings) { mSettings.writeLPr(); } } return true; } private boolean deleteInstalledPackageLI(PackageSetting ps, boolean deleteCodeAndResources, int flags, int[] allUserHandles, boolean[] perUserInstalled, PackageRemovedInfo outInfo, boolean writeSettings) { if (outInfo != null) { outInfo.uid = ps.appId; } // Delete package data from internal structures and also remove data if flag is set removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); // Delete application code and resources if (deleteCodeAndResources && (outInfo != null)) { outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, getAppDexInstructionSets(ps)); if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); } return true; } @Override public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, int userId) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.DELETE_PACKAGES, null); synchronized (mPackages) { PackageSetting ps = mSettings.mPackages.get(packageName); if (ps == null) { Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); return false; } if (!ps.getInstalled(userId)) { // Can't block uninstall for an app that is not installed or enabled. Log.i(TAG, "Package not installed in set block uninstall " + packageName); return false; } ps.setBlockUninstall(blockUninstall, userId); mSettings.writePackageRestrictionsLPr(userId); } return true; } @Override public boolean getBlockUninstallForUser(String packageName, int userId) { synchronized (mPackages) { PackageSetting ps = mSettings.mPackages.get(packageName); if (ps == null) { Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); return false; } return ps.getBlockUninstall(userId); } } /* * This method handles package deletion in general */ private boolean deletePackageLI(String packageName, UserHandle user, boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, int flags, PackageRemovedInfo outInfo, boolean writeSettings) { if (packageName == null) { Slog.w(TAG, "Attempt to delete null packageName."); return false; } if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); PackageSetting ps; boolean dataOnly = false; int removeUser = -1; int appId = -1; synchronized (mPackages) { ps = mSettings.mPackages.get(packageName); if (ps == null) { Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); return false; } if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null && user.getIdentifier() != UserHandle.USER_ALL) { // The caller is asking that the package only be deleted for a single // user. To do this, we just mark its uninstalled state and delete // its data. If this is a system app, we only allow this to happen if // they have set the special DELETE_SYSTEM_APP which requests different // semantics than normal for uninstalling system apps. if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); ps.setUserState(user.getIdentifier(), COMPONENT_ENABLED_STATE_DEFAULT, false, //installed true, //stopped true, //notLaunched false, //hidden null, null, null, false // blockUninstall ); if (!isSystemApp(ps)) { if (ps.isAnyInstalled(sUserManager.getUserIds())) { // Other user still have this package installed, so all // we need to do is clear this user's data and save that // it is uninstalled. if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); removeUser = user.getIdentifier(); appId = ps.appId; mSettings.writePackageRestrictionsLPr(removeUser); } else { // We need to set it back to 'installed' so the uninstall // broadcasts will be sent correctly. if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); ps.setInstalled(true, user.getIdentifier()); } } else { // This is a system app, so we assume that the // other users still have this package installed, so all // we need to do is clear this user's data and save that // it is uninstalled. if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); removeUser = user.getIdentifier(); appId = ps.appId; mSettings.writePackageRestrictionsLPr(removeUser); } } } if (removeUser >= 0) { // From above, we determined that we are deleting this only // for a single user. Continue the work here. if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); if (outInfo != null) { outInfo.removedPackage = packageName; outInfo.removedAppId = appId; outInfo.removedUsers = new int[] {removeUser}; } mInstaller.clearUserData(packageName, removeUser); removeKeystoreDataIfNeeded(removeUser, appId); schedulePackageCleaning(packageName, removeUser, false); return true; } if (dataOnly) { // Delete application data first if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); return true; } boolean ret = false; if (isSystemApp(ps)) { if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); // When an updated system application is deleted we delete the existing resources as well and // fall back to existing code in system partition ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, flags, outInfo, writeSettings); } else { if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); // Kill application pre-emptively especially for apps on sd. killApplication(packageName, ps.appId, "uninstall pkg"); ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, allUserHandles, perUserInstalled, outInfo, writeSettings); } return ret; } private final class ClearStorageConnection implements ServiceConnection { IMediaContainerService mContainerService; @Override public void onServiceConnected(ComponentName name, IBinder service) { synchronized (this) { mContainerService = IMediaContainerService.Stub.asInterface(service); notifyAll(); } } @Override public void onServiceDisconnected(ComponentName name) { } } private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { final boolean mounted; if (Environment.isExternalStorageEmulated()) { mounted = true; } else { final String status = Environment.getExternalStorageState(); mounted = status.equals(Environment.MEDIA_MOUNTED) || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); } if (!mounted) { return; } final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); int[] users; if (userId == UserHandle.USER_ALL) { users = sUserManager.getUserIds(); } else { users = new int[] { userId }; } final ClearStorageConnection conn = new ClearStorageConnection(); if (mContext.bindServiceAsUser( containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { try { for (int curUser : users) { long timeout = SystemClock.uptimeMillis() + 5000; synchronized (conn) { long now = SystemClock.uptimeMillis(); while (conn.mContainerService == null && now < timeout) { try { conn.wait(timeout - now); } catch (InterruptedException e) { } } } if (conn.mContainerService == null) { return; } final UserEnvironment userEnv = new UserEnvironment(curUser); clearDirectory(conn.mContainerService, userEnv.buildExternalStorageAppCacheDirs(packageName)); if (allData) { clearDirectory(conn.mContainerService, userEnv.buildExternalStorageAppDataDirs(packageName)); clearDirectory(conn.mContainerService, userEnv.buildExternalStorageAppMediaDirs(packageName)); } } } finally { mContext.unbindService(conn); } } } @Override public void clearApplicationUserData(final String packageName, final IPackageDataObserver observer, final int userId) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.CLEAR_APP_USER_DATA, null); enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); // Queue up an async operation since the package deletion may take a little while. mHandler.post(new Runnable() { public void run() { mHandler.removeCallbacks(this); final boolean succeeded; synchronized (mInstallLock) { succeeded = clearApplicationUserDataLI(packageName, userId); } clearExternalStorageDataSync(packageName, userId, true); if (succeeded) { // invoke DeviceStorageMonitor's update method to clear any notifications DeviceStorageMonitorInternal dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); if (dsm != null) { dsm.checkMemory(); } } if(observer != null) { try { observer.onRemoveCompleted(packageName, succeeded); } catch (RemoteException e) { Log.i(TAG, "Observer no longer exists."); } } //end if observer } //end run }); } private boolean clearApplicationUserDataLI(String packageName, int userId) { if (packageName == null) { Slog.w(TAG, "Attempt to delete null packageName."); return false; } // Try finding details about the requested package PackageParser.Package pkg; synchronized (mPackages) { pkg = mPackages.get(packageName); if (pkg == null) { final PackageSetting ps = mSettings.mPackages.get(packageName); if (ps != null) { pkg = ps.pkg; } } } if (pkg == null) { Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); } // Always delete data directories for package, even if we found no other // record of app. This helps users recover from UID mismatches without // resorting to a full data wipe. int retCode = mInstaller.clearUserData(packageName, userId); if (retCode < 0) { Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); return false; } if (pkg == null) { return false; } if (pkg != null && pkg.applicationInfo != null) { final int appId = pkg.applicationInfo.uid; removeKeystoreDataIfNeeded(userId, appId); } // Create a native library symlink only if we have native libraries // and if the native libraries are 32 bit libraries. We do not provide // this symlink for 64 bit libraries. if (pkg != null && pkg.applicationInfo.primaryCpuAbi != null && !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { Slog.w(TAG, "Failed linking native library dir"); return false; } } return true; } /** * Remove entries from the keystore daemon. Will only remove it if the * {@code appId} is valid. */ private static void removeKeystoreDataIfNeeded(int userId, int appId) { if (appId < 0) { return; } final KeyStore keyStore = KeyStore.getInstance(); if (keyStore != null) { if (userId == UserHandle.USER_ALL) { for (final int individual : sUserManager.getUserIds()) { keyStore.clearUid(UserHandle.getUid(individual, appId)); } } else { keyStore.clearUid(UserHandle.getUid(userId, appId)); } } else { Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); } } @Override public void deleteApplicationCacheFiles(final String packageName, final IPackageDataObserver observer) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.DELETE_CACHE_FILES, null); // Queue up an async operation since the package deletion may take a little while. final int userId = UserHandle.getCallingUserId(); mHandler.post(new Runnable() { public void run() { mHandler.removeCallbacks(this); final boolean succeded; synchronized (mInstallLock) { succeded = deleteApplicationCacheFilesLI(packageName, userId); } clearExternalStorageDataSync(packageName, userId, false); if(observer != null) { try { observer.onRemoveCompleted(packageName, succeded); } catch (RemoteException e) { Log.i(TAG, "Observer no longer exists."); } } //end if observer } //end run }); } private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { if (packageName == null) { Slog.w(TAG, "Attempt to delete null packageName."); return false; } PackageParser.Package p; synchronized (mPackages) { p = mPackages.get(packageName); } if (p == null) { Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); return false; } final ApplicationInfo applicationInfo = p.applicationInfo; if (applicationInfo == null) { Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); return false; } int retCode = mInstaller.deleteCacheFiles(packageName, userId); if (retCode < 0) { Slog.w(TAG, "Couldn't remove cache files for package: " + packageName + " u" + userId); return false; } return true; } @Override public void getPackageSizeInfo(final String packageName, int userHandle, final IPackageStatsObserver observer) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.GET_PACKAGE_SIZE, null); if (packageName == null) { throw new IllegalArgumentException("Attempt to get size of null packageName"); } PackageStats stats = new PackageStats(packageName, userHandle); /* * Queue up an async operation since the package measurement may take a * little while. */ Message msg = mHandler.obtainMessage(INIT_COPY); msg.obj = new MeasureParams(stats, observer); mHandler.sendMessage(msg); } private boolean getPackageSizeInfoLI(String packageName, int userHandle, PackageStats pStats) { if (packageName == null) { Slog.w(TAG, "Attempt to get size of null packageName."); return false; } PackageParser.Package p; boolean dataOnly = false; String libDirRoot = null; String asecPath = null; PackageSetting ps = null; synchronized (mPackages) { p = mPackages.get(packageName); ps = mSettings.mPackages.get(packageName); if(p == null) { dataOnly = true; if((ps == null) || (ps.pkg == null)) { Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); return false; } p = ps.pkg; } if (ps != null) { libDirRoot = ps.legacyNativeLibraryPathString; } if (p != null && (isExternal(p) || isForwardLocked(p))) { String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 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.getBaseResourcePath(); } } // TODO: extend to measure size of split APKs // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, // not just the first level. // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not // just the primary. String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); int res = mInstaller.getSizeInfo(packageName, userHandle, p.baseCodePath, libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); if (res < 0) { return false; } // Fix-up for forward-locked applications in ASEC containers. if (!isExternal(p)) { pStats.codeSize += pStats.externalCodeSize; pStats.externalCodeSize = 0L; } return true; } @Override public void addPackageToPreferred(String packageName) { Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); } @Override public void removePackageFromPreferred(String packageName) { Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); } @Override public List getPreferredPackages(int flags) { return new ArrayList(); } 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 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; } @Override public void addPreferredActivity(IntentFilter filter, int match, ComponentName[] set, ComponentName activity, int userId) { addPreferredActivityInternal(filter, match, set, activity, true, userId, "Adding preferred"); } private void addPreferredActivityInternal(IntentFilter filter, int match, ComponentName[] set, ComponentName activity, boolean always, int userId, String opname) { // writer int callingUid = Binder.getCallingUid(); enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); if (filter.countActions() == 0) { Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); return; } synchronized (mPackages) { if (mContext.checkCallingOrSelfPermission( android.Manifest.permission.SET_PREFERRED_APPLICATIONS) != PackageManager.PERMISSION_GRANTED) { if (getUidTargetSdkVersionLockedLPr(callingUid) < Build.VERSION_CODES.FROYO) { Slog.w(TAG, "Ignoring addPreferredActivity() from uid " + callingUid); return; } mContext.enforceCallingOrSelfPermission( android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); } PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " + userId + ":"); filter.dump(new LogPrinter(Log.INFO, TAG), " "); pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); scheduleWritePackageRestrictionsLocked(userId); } } @Override public void replacePreferredActivity(IntentFilter filter, int match, ComponentName[] set, ComponentName activity, int userId) { if (filter.countActions() != 1) { throw new IllegalArgumentException( "replacePreferredActivity expects filter to have only 1 action."); } if (filter.countDataAuthorities() != 0 || filter.countDataPaths() != 0 || filter.countDataSchemes() > 1 || filter.countDataTypes() != 0) { throw new IllegalArgumentException( "replacePreferredActivity expects filter to have no data authorities, " + "paths, or types; and at most one scheme."); } final int callingUid = Binder.getCallingUid(); enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); synchronized (mPackages) { if (mContext.checkCallingOrSelfPermission( android.Manifest.permission.SET_PREFERRED_APPLICATIONS) != PackageManager.PERMISSION_GRANTED) { if (getUidTargetSdkVersionLockedLPr(callingUid) < Build.VERSION_CODES.FROYO) { Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " + Binder.getCallingUid()); return; } mContext.enforceCallingOrSelfPermission( android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); } PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); if (pir != null) { // Get all of the existing entries that exactly match this filter. ArrayList existing = pir.findFilters(filter); if (existing != null && existing.size() == 1) { PreferredActivity cur = existing.get(0); if (DEBUG_PREFERRED) { Slog.i(TAG, "Checking replace of preferred:"); filter.dump(new LogPrinter(Log.INFO, TAG), " "); if (!cur.mPref.mAlways) { Slog.i(TAG, " -- CUR; not mAlways!"); } else { Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(cur.mPref.mSetComponents)); Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); Slog.i(TAG, " -- NEW: mMatch=" + (match&IntentFilter.MATCH_CATEGORY_MASK)); Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); } } if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) && cur.mPref.sameSet(set)) { // Setting the preferred activity to what it happens to be already if (DEBUG_PREFERRED) { Slog.i(TAG, "Replacing with same preferred activity " + cur.mPref.mShortComponent + " for user " + userId + ":"); filter.dump(new LogPrinter(Log.INFO, TAG), " "); } return; } } if (existing != null) { if (DEBUG_PREFERRED) { Slog.i(TAG, existing.size() + " existing preferred matches for:"); filter.dump(new LogPrinter(Log.INFO, TAG), " "); } for (int i = 0; i < existing.size(); i++) { PreferredActivity pa = existing.get(i); if (DEBUG_PREFERRED) { Slog.i(TAG, "Removing existing preferred activity " + pa.mPref.mComponent + ":"); pa.dump(new LogPrinter(Log.INFO, TAG), " "); } pir.removeFilter(pa); } } } addPreferredActivityInternal(filter, match, set, activity, true, userId, "Replacing preferred"); } } @Override 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); } } int user = UserHandle.getCallingUserId(); if (clearPackagePreferredActivitiesLPw(packageName, user)) { scheduleWritePackageRestrictionsLocked(user); } } } /** This method takes a specific user id as well as UserHandle.USER_ALL. */ boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { ArrayList removed = null; boolean changed = false; for (int i=0; i it = pir.filterIterator(); while (it.hasNext()) { PreferredActivity pa = it.next(); // Mark entry for removal only if it matches the package name // and the entry is of type "always". if (packageName == null || (pa.mPref.mComponent.getPackageName().equals(packageName) && pa.mPref.mAlways)) { if (removed == null) { removed = new ArrayList(); } removed.add(pa); } } if (removed != null) { for (int j=0; j outFilters, List outActivities, String packageName) { int num = 0; final int userId = UserHandle.getCallingUserId(); // reader synchronized (mPackages) { PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); if (pir != null) { final Iterator it = pir.filterIterator(); while (it.hasNext()) { final PreferredActivity pa = it.next(); if (packageName == null || (pa.mPref.mComponent.getPackageName().equals(packageName) && pa.mPref.mAlways)) { if (outFilters != null) { outFilters.add(new IntentFilter(pa)); } if (outActivities != null) { outActivities.add(pa.mPref.mComponent); } } } } } return num; } @Override public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, int userId) { int callingUid = Binder.getCallingUid(); if (callingUid != Process.SYSTEM_UID) { throw new SecurityException( "addPersistentPreferredActivity can only be run by the system"); } if (filter.countActions() == 0) { Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); return; } synchronized (mPackages) { Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + " :"); filter.dump(new LogPrinter(Log.INFO, TAG), " "); mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( new PersistentPreferredActivity(filter, activity)); scheduleWritePackageRestrictionsLocked(userId); } } @Override public void clearPackagePersistentPreferredActivities(String packageName, int userId) { int callingUid = Binder.getCallingUid(); if (callingUid != Process.SYSTEM_UID) { throw new SecurityException( "clearPackagePersistentPreferredActivities can only be run by the system"); } ArrayList removed = null; boolean changed = false; synchronized (mPackages) { for (int i=0; i it = ppir.filterIterator(); while (it.hasNext()) { PersistentPreferredActivity ppa = it.next(); // Mark entry for removal only if it matches the package name. if (ppa.mComponent.getPackageName().equals(packageName)) { if (removed == null) { removed = new ArrayList(); } removed.add(ppa); } } if (removed != null) { for (int j=0; j existing = resolver.findFilters(intentFilter); // We have all those whose filter is equal. Now checking if the rest is equal as well. if (existing != null) { int size = existing.size(); for (int i = 0; i < size; i++) { if (newFilter.equalsIgnoreFilter(existing.get(i))) { return; } } } resolver.addFilter(newFilter); scheduleWritePackageRestrictionsLocked(sourceUserId); } } @Override public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage, int ownerUserId) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); int callingUid = Binder.getCallingUid(); enforceOwnerRights(ownerPackage, ownerUserId, callingUid); enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); int callingUserId = UserHandle.getUserId(callingUid); synchronized (mPackages) { CrossProfileIntentResolver resolver = mSettings.editCrossProfileIntentResolverLPw(sourceUserId); ArraySet set = new ArraySet(resolver.filterSet()); for (CrossProfileIntentFilter filter : set) { if (filter.getOwnerPackage().equals(ownerPackage) && filter.getOwnerUserId() == callingUserId) { resolver.removeFilter(filter); } } scheduleWritePackageRestrictionsLocked(sourceUserId); } } // Enforcing that callingUid is owning pkg on userId private void enforceOwnerRights(String pkg, int userId, int callingUid) { // The system owns everything. if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { return; } int callingUserId = UserHandle.getUserId(callingUid); if (callingUserId != userId) { throw new SecurityException("calling uid " + callingUid + " pretends to own " + pkg + " on user " + userId + " but belongs to user " + callingUserId); } PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); if (pi == null) { throw new IllegalArgumentException("Unknown package " + pkg + " on user " + callingUserId); } if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { throw new SecurityException("Calling uid " + callingUid + " does not own package " + pkg); } } @Override public ComponentName getHomeActivities(List allHomeCandidates) { Intent intent = new Intent(Intent.ACTION_MAIN); intent.addCategory(Intent.CATEGORY_HOME); final int callingUserId = UserHandle.getCallingUserId(); List list = queryIntentActivities(intent, null, PackageManager.GET_META_DATA, callingUserId); ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, true, false, false, callingUserId); allHomeCandidates.clear(); if (list != null) { for (ResolveInfo ri : list) { allHomeCandidates.add(ri); } } return (preferred == null || preferred.activityInfo == null) ? null : new ComponentName(preferred.activityInfo.packageName, preferred.activityInfo.name); } @Override public void setApplicationEnabledSetting(String appPackageName, int newState, int flags, int userId, String callingPackage) { if (!sUserManager.exists(userId)) return; if (callingPackage == null) { callingPackage = Integer.toString(Binder.getCallingUid()); } setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); } @Override public void setComponentEnabledSetting(ComponentName componentName, int newState, int flags, int userId) { if (!sUserManager.exists(userId)) return; setEnabledSetting(componentName.getPackageName(), componentName.getClassName(), newState, flags, userId, null); } private void setEnabledSetting(final String packageName, String className, int newState, final int flags, int userId, String callingPackage) { if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT || newState == COMPONENT_ENABLED_STATE_ENABLED || newState == COMPONENT_ENABLED_STATE_DISABLED || newState == COMPONENT_ENABLED_STATE_DISABLED_USER || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { throw new IllegalArgumentException("Invalid new component state: " + newState); } PackageSetting pkgSetting; final int uid = Binder.getCallingUid(); final int permission = mContext.checkCallingOrSelfPermission( android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); enforceCrossUserPermission(uid, userId, false, true, "set enabled"); final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); boolean sendNow = false; boolean isApp = (className == null); String componentName = isApp ? packageName : className; int packageUid = -1; ArrayList components; // writer synchronized (mPackages) { pkgSetting = mSettings.mPackages.get(packageName); if (pkgSetting == null) { if (className == null) { throw new IllegalArgumentException( "Unknown package: " + packageName); } throw new IllegalArgumentException( "Unknown component: " + packageName + "/" + className); } // Allow root and verify that userId is not being specified by a different user if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { throw new SecurityException( "Permission Denial: attempt to change component state from pid=" + Binder.getCallingPid() + ", uid=" + uid + ", package uid=" + pkgSetting.appId); } if (className == null) { // We're dealing with an application/package level state change if (pkgSetting.getEnabled(userId) == newState) { // Nothing to do return; } if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { // Don't care about who enables an app. callingPackage = null; } pkgSetting.setEnabled(newState, userId, callingPackage); // pkgSetting.pkg.mSetEnabled = newState; } else { // We're dealing with a component level state change // First, verify that this is a valid class name. PackageParser.Package pkg = pkgSetting.pkg; if (pkg == null || !pkg.hasComponentClassName(className)) { if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { throw new IllegalArgumentException("Component class " + className + " does not exist in " + packageName); } else { Slog.w(TAG, "Failed setComponentEnabledSetting: component class " + className + " does not exist in " + packageName); } } switch (newState) { case COMPONENT_ENABLED_STATE_ENABLED: if (!pkgSetting.enableComponentLPw(className, userId)) { return; } break; case COMPONENT_ENABLED_STATE_DISABLED: if (!pkgSetting.disableComponentLPw(className, userId)) { return; } break; case COMPONENT_ENABLED_STATE_DEFAULT: if (!pkgSetting.restoreComponentLPw(className, userId)) { return; } break; default: Slog.e(TAG, "Invalid new component state: " + newState); return; } } mSettings.writePackageRestrictionsLPr(userId); components = mPendingBroadcasts.get(userId, packageName); final boolean newPackage = components == null; if (newPackage) { components = new ArrayList(); } if (!components.contains(componentName)) { components.add(componentName); } if ((flags&PackageManager.DONT_KILL_APP) == 0) { sendNow = true; // Purge entry from pending broadcast list if another one exists already // since we are sending one right away. mPendingBroadcasts.remove(userId, packageName); } else { if (newPackage) { mPendingBroadcasts.put(userId, 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) { packageUid = UserHandle.getUid(userId, pkgSetting.appId); sendPackageChangedBroadcast(packageName, (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); } } finally { Binder.restoreCallingIdentity(callingId); } } private void sendPackageChangedBroadcast(String packageName, boolean killFlag, ArrayList componentNames, int packageUid) { if (DEBUG_INSTALL) Log.v(TAG, "Sending package changed: package=" + packageName + " components=" + componentNames); Bundle extras = new Bundle(4); extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); String nameList[] = new String[componentNames.size()]; componentNames.toArray(nameList); extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); extras.putInt(Intent.EXTRA_UID, packageUid); sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, new int[] {UserHandle.getUserId(packageUid)}); } @Override public void setPackageStoppedState(String packageName, boolean stopped, int userId) { if (!sUserManager.exists(userId)) return; final int uid = Binder.getCallingUid(); final int permission = mContext.checkCallingOrSelfPermission( android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); enforceCrossUserPermission(uid, userId, true, true, "stop package"); // writer synchronized (mPackages) { if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, uid, userId)) { scheduleWritePackageRestrictionsLocked(userId); } } } @Override public String getInstallerPackageName(String packageName) { // reader synchronized (mPackages) { return mSettings.getInstallerPackageNameLPr(packageName); } } @Override public int getApplicationEnabledSetting(String packageName, int userId) { if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; int uid = Binder.getCallingUid(); enforceCrossUserPermission(uid, userId, false, false, "get enabled"); // reader synchronized (mPackages) { return mSettings.getApplicationEnabledSettingLPr(packageName, userId); } } @Override public int getComponentEnabledSetting(ComponentName componentName, int userId) { if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; int uid = Binder.getCallingUid(); enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); // reader synchronized (mPackages) { return mSettings.getComponentEnabledSettingLPr(componentName, userId); } } @Override public void enterSafeMode() { enforceSystemOrRoot("Only the system can request entering safe mode"); if (!mSystemReady) { mSafeMode = true; } } @Override public void systemReady() { mSystemReady = true; // Read the compatibilty setting when the system is ready. boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( mContext.getContentResolver(), android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); if (DEBUG_SETTINGS) { Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); } synchronized (mPackages) { // Verify that all of the preferred activity components actually // exist. It is possible for applications to be updated and at // that point remove a previously declared activity component that // had been set as a preferred activity. We try to clean this up // the next time we encounter that preferred activity, but it is // possible for the user flow to never be able to return to that // situation so here we do a sanity check to make sure we haven't // left any junk around. ArrayList removed = new ArrayList(); for (int i=0; i 0) { for (int r=0; r 0) buf.append(", "); buf.append(array[i]); } } buf.append(']'); return buf.toString(); } static class DumpState { public static final int DUMP_LIBS = 1 << 0; public static final int DUMP_FEATURES = 1 << 1; public static final int DUMP_RESOLVERS = 1 << 2; public static final int DUMP_PERMISSIONS = 1 << 3; public static final int DUMP_PACKAGES = 1 << 4; public static final int DUMP_SHARED_USERS = 1 << 5; public static final int DUMP_MESSAGES = 1 << 6; public static final int DUMP_PROVIDERS = 1 << 7; public static final int DUMP_VERIFIERS = 1 << 8; public static final int DUMP_PREFERRED = 1 << 9; public static final int DUMP_PREFERRED_XML = 1 << 10; public static final int DUMP_KEYSETS = 1 << 11; public static final int DUMP_VERSION = 1 << 12; public static final int DUMP_INSTALLS = 1 << 13; public static final int OPTION_SHOW_FILTERS = 1 << 0; private int mTypes; private int mOptions; private boolean mTitlePrinted; private SharedUserSetting mSharedUser; public boolean isDumping(int type) { if (mTypes == 0 && type != DUMP_PREFERRED_XML) { return true; } return (mTypes & type) != 0; } public void setDump(int type) { mTypes |= type; } public boolean isOptionEnabled(int option) { return (mOptions & option) != 0; } public void setOptionEnabled(int option) { mOptions |= option; } public boolean onTitlePrinted() { final boolean printed = mTitlePrinted; mTitlePrinted = true; return printed; } public boolean getTitlePrinted() { return mTitlePrinted; } public void setTitlePrinted(boolean enabled) { mTitlePrinted = enabled; } public SharedUserSetting getSharedUser() { return mSharedUser; } public void setSharedUser(SharedUserSetting user) { mSharedUser = user; } } @Override protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) != PackageManager.PERMISSION_GRANTED) { pw.println("Permission Denial: can't dump ActivityManager from from pid=" + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid() + " without permission " + android.Manifest.permission.DUMP); return; } DumpState dumpState = new DumpState(); boolean fullPreferred = false; boolean checkin = false; 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] [--checkin] [cmd] ..."); pw.println(" --checkin: dump for a checkin"); 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(" k[eysets]: print known keysets"); pw.println(" r[esolvers]: dump intent resolvers"); pw.println(" perm[issions]: dump permissions"); pw.println(" pref[erred]: print preferred package settings"); pw.println(" preferred-xml [--full]: print preferred package settings as xml"); pw.println(" prov[iders]: dump content providers"); pw.println(" p[ackages]: dump installed packages"); pw.println(" s[hared-users]: dump shared user IDs"); pw.println(" m[essages]: print collected runtime messages"); pw.println(" v[erifiers]: print package verifier info"); pw.println(" version: print database version info"); pw.println(" write: write current settings now"); pw.println(" : info about given package"); pw.println(" installs: details about install sessions"); return; } else if ("--checkin".equals(opt)) { checkin = true; } 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; // When dumping a single package, we always dump all of its // filter information since the amount of data will be reasonable. dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); } else if ("l".equals(cmd) || "libraries".equals(cmd)) { dumpState.setDump(DumpState.DUMP_LIBS); } else if ("f".equals(cmd) || "features".equals(cmd)) { dumpState.setDump(DumpState.DUMP_FEATURES); } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { dumpState.setDump(DumpState.DUMP_RESOLVERS); } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { dumpState.setDump(DumpState.DUMP_PERMISSIONS); } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { dumpState.setDump(DumpState.DUMP_PREFERRED); } else if ("preferred-xml".equals(cmd)) { dumpState.setDump(DumpState.DUMP_PREFERRED_XML); if (opti < args.length && "--full".equals(args[opti])) { fullPreferred = true; opti++; } } 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); } else if ("version".equals(cmd)) { dumpState.setDump(DumpState.DUMP_VERSION); } else if ("k".equals(cmd) || "keysets".equals(cmd)) { dumpState.setDump(DumpState.DUMP_KEYSETS); } else if ("installs".equals(cmd)) { dumpState.setDump(DumpState.DUMP_INSTALLS); } else if ("write".equals(cmd)) { synchronized (mPackages) { mSettings.writeLPr(); pw.println("Settings written."); return; } } } if (checkin) { pw.println("vers,1"); } // reader synchronized (mPackages) { if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { if (!checkin) { if (dumpState.onTitlePrinted()) pw.println(); pw.println("Database versions:"); pw.print(" SDK Version:"); pw.print(" internal="); pw.print(mSettings.mInternalSdkPlatform); pw.print(" external="); pw.println(mSettings.mExternalSdkPlatform); pw.print(" DB Version:"); pw.print(" internal="); pw.print(mSettings.mInternalDatabaseVersion); pw.print(" external="); pw.println(mSettings.mExternalDatabaseVersion); } } if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { if (!checkin) { if (dumpState.onTitlePrinted()) pw.println(); pw.println("Verifiers:"); pw.print(" Required: "); pw.print(mRequiredVerifierPackage); pw.print(" (uid="); pw.print(getPackageUid(mRequiredVerifierPackage, 0)); pw.println(")"); } else if (mRequiredVerifierPackage != null) { pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); } } if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { boolean printedHeader = false; final Iterator it = mSharedLibraries.keySet().iterator(); while (it.hasNext()) { String name = it.next(); SharedLibraryEntry ent = mSharedLibraries.get(name); if (!checkin) { if (!printedHeader) { if (dumpState.onTitlePrinted()) pw.println(); pw.println("Libraries:"); printedHeader = true; } pw.print(" "); } else { pw.print("lib,"); } pw.print(name); if (!checkin) { pw.print(" -> "); } if (ent.path != null) { if (!checkin) { pw.print("(jar) "); pw.print(ent.path); } else { pw.print(",jar,"); pw.print(ent.path); } } else { if (!checkin) { pw.print("(apk) "); pw.print(ent.apk); } else { pw.print(",apk,"); pw.print(ent.apk); } } pw.println(); } } if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { if (dumpState.onTitlePrinted()) pw.println(); if (!checkin) { pw.println("Features:"); } Iterator it = mAvailableFeatures.keySet().iterator(); while (it.hasNext()) { String name = it.next(); if (!checkin) { pw.print(" "); } else { pw.print("feat,"); } pw.println(name); } } if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" : "Activity Resolver Table:", " ", packageName, dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { dumpState.setTitlePrinted(true); } if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" : "Receiver Resolver Table:", " ", packageName, dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { dumpState.setTitlePrinted(true); } if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" : "Service Resolver Table:", " ", packageName, dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { dumpState.setTitlePrinted(true); } if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" : "Provider Resolver Table:", " ", packageName, dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { dumpState.setTitlePrinted(true); } } if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { for (int i=0; i pkgs = mAppOpPermissionPackages.valueAt(iperm); for (int ipkg=0; ipkg entry : mProvidersByAuthority.entrySet()) { PackageParser.Provider p = entry.getValue(); if (packageName != null && !packageName.equals(p.info.packageName)) { continue; } if (!printedSomething) { if (dumpState.onTitlePrinted()) pw.println(); pw.println("ContentProvider Authorities:"); printedSomething = true; } pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); pw.print(" "); pw.println(p.toString()); if (p.info != null && p.info.applicationInfo != null) { final String appInfo = p.info.applicationInfo.toString(); pw.print(" applicationInfo="); pw.println(appInfo); } } } if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); } if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); } if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { mSettings.dumpSharedUsersLPr(pw, packageName, dumpState, checkin); } if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { // XXX should handle packageName != null by dumping only install data that // the given package is involved with. if (dumpState.onTitlePrinted()) pw.println(); mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); } if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { if (dumpState.onTitlePrinted()) pw.println(); mSettings.dumpReadMessagesLPr(pw, dumpState); pw.println(); pw.println("Package warning messages:"); BufferedReader in = null; String line = null; try { in = new BufferedReader(new FileReader(getSettingsProblemFile())); while ((line = in.readLine()) != null) { if (line.contains("ignored: updated version")) continue; pw.println(line); } } catch (IOException ignored) { } finally { IoUtils.closeQuietly(in); } } if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { BufferedReader in = null; String line = null; try { in = new BufferedReader(new FileReader(getSettingsProblemFile())); while ((line = in.readLine()) != null) { if (line.contains("ignored: updated version")) continue; pw.print("msg,"); pw.println(line); } } catch (IOException ignored) { } finally { IoUtils.closeQuietly(in); } } } } // ------- 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; static 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; } } /* * Update media status on PackageManager. */ @Override public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { int callingUid = Binder.getCallingUid(); if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { throw new SecurityException("Media status can only be updated by the system"); } // reader; this apparently protects mMediaMounted, but should probably // be a different lock in that case. synchronized (mPackages) { Log.i(TAG, "Updating external media status from " + (mMediaMounted ? "mounted" : "unmounted") + " to " + (mediaStatus ? "mounted" : "unmounted")); if (DEBUG_SD_INSTALL) Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus + ", mMediaMounted=" + mMediaMounted); if (mediaStatus == mMediaMounted) { final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1); mHandler.sendMessage(msg); return; } mMediaMounted = mediaStatus; } // Queue up an async operation since the package installation may take a // little while. mHandler.post(new Runnable() { public void run() { updateExternalMediaStatusInner(mediaStatus, reportStatus, true); } }); } /** * Called by MountService when the initial ASECs to scan are available. * Should block until all the ASEC containers are finished being scanned. */ public void scanAvailableAsecs() { updateExternalMediaStatusInner(true, false, false); if (mShouldRestoreconData) { SELinuxMMAC.setRestoreconDone(); mShouldRestoreconData = false; } } /* * Collect information of applications on external media, map them against * existing containers and update information based on current mount status. * Please note that we always have to report status if reportStatus has been * set to true especially when unloading packages. */ private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, boolean externalStorage) { ArrayMap processCids = new ArrayMap<>(); int[] uidArr = EmptyArray.INT; final String[] list = PackageHelper.getSecureContainerList(); if (ArrayUtils.isEmpty(list)) { Log.i(TAG, "No secure containers found"); } else { // Process list of secure containers and categorize them // as active or stale based on their package internal state. // reader synchronized (mPackages) { for (String cid : list) { // Leave stages untouched for now; installer service owns them if (PackageInstallerService.isStageName(cid)) continue; if (DEBUG_SD_INSTALL) Log.i(TAG, "Processing container " + cid); String pkgName = getAsecPackageName(cid); if (pkgName == null) { Slog.i(TAG, "Found stale container " + cid + " with no package name"); continue; } if (DEBUG_SD_INSTALL) Log.i(TAG, "Looking for pkg : " + pkgName); final PackageSetting ps = mSettings.mPackages.get(pkgName); if (ps == null) { Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); continue; } /* * Skip packages that are not external if we're unmounting * external storage. */ if (externalStorage && !isMounted && !isExternal(ps)) { continue; } final AsecInstallArgs args = new AsecInstallArgs(cid, getAppDexInstructionSets(ps), isForwardLocked(ps)); // The package status is changed only if the code path // matches between settings and the container id. if (ps.codePathString != null && ps.codePathString.startsWith(args.getCodePath())) { if (DEBUG_SD_INSTALL) { Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName + " at code path: " + ps.codePathString); } // We do have a valid package installed on sdcard processCids.put(args, ps.codePathString); final int uid = ps.appId; if (uid != -1) { uidArr = ArrayUtils.appendInt(uidArr, uid); } } else { Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" + ps.codePathString); } } } Arrays.sort(uidArr); } // Process packages with valid entries. if (isMounted) { if (DEBUG_SD_INSTALL) Log.i(TAG, "Loading packages"); loadMediaPackages(processCids, uidArr); startCleaningPackages(); mInstallerService.onSecureContainersAvailable(); } else { if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading packages"); unloadMediaPackages(processCids, uidArr, reportStatus); } } private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, ArrayList pkgList, int uidArr[], IIntentReceiver finishedReceiver) { int size = pkgList.size(); if (size > 0) { // Send broadcasts here Bundle extras = new Bundle(); extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList .toArray(new String[size])); if (uidArr != null) { extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); } if (replacing) { extras.putBoolean(Intent.EXTRA_REPLACING, replacing); } String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); } } /* * Look at potentially valid container ids from processCids If package * information doesn't match the one on record or package scanning fails, * the cid is added to list of removeCids. We currently don't delete stale * containers. */ private void loadMediaPackages(ArrayMap processCids, int[] uidArr) { ArrayList pkgList = new ArrayList(); Set keys = processCids.keySet(); for (AsecInstallArgs args : keys) { String codePath = processCids.get(args); if (DEBUG_SD_INSTALL) Log.i(TAG, "Loading container : " + args.cid); int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; try { // Make sure there are no container errors first. if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { Slog.e(TAG, "Failed to mount cid : " + args.cid + " when installing from sdcard"); continue; } // Check code path here. if (codePath == null || !codePath.startsWith(args.getCodePath())) { Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() + " does not match one in settings " + codePath); continue; } // Parse package int parseFlags = mDefParseFlags; if (args.isExternal()) { parseFlags |= PackageParser.PARSE_ON_SDCARD; } if (args.isFwdLocked()) { parseFlags |= PackageParser.PARSE_FORWARD_LOCK; } synchronized (mInstallLock) { PackageParser.Package pkg = null; try { pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null); } catch (PackageManagerException e) { Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); } // Scan the package if (pkg != null) { /* * TODO why is the lock being held? doPostInstall is * called in other places without the lock. This needs * to be straightened out. */ // writer synchronized (mPackages) { retCode = PackageManager.INSTALL_SUCCEEDED; pkgList.add(pkg.packageName); // Post process args args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, pkg.applicationInfo.uid); } } else { Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); } } } finally { if (retCode != PackageManager.INSTALL_SUCCEEDED) { Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); } } } // writer synchronized (mPackages) { // If the platform SDK has changed since the last time we booted, // we need to re-grant app permission to catch any new ones that // appear. This is really a hack, and means that apps can in some // cases get permissions that the user didn't initially explicitly // allow... it would be nice to have some better way to handle // this situation. final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; if (regrantPermissions) Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " + mSdkVersion + "; regranting permissions for external storage"); mSettings.mExternalSdkPlatform = mSdkVersion; // Make sure group IDs have been assigned, and any permission // changes in other apps are accounted for updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL | (regrantPermissions ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) : 0)); mSettings.updateExternalDatabaseVersion(); // 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, false, pkgList, uidArr, null); } } /* * Utility method to unload a list of specified containers */ private void unloadAllContainers(Set cidArgs) { // Just unmount all valid containers. for (AsecInstallArgs arg : cidArgs) { synchronized (mInstallLock) { arg.doPostDeleteLI(false); } } } /* * Unload packages mounted on external media. This involves deleting package * data from internal structures, sending broadcasts about diabled packages, * gc'ing to free up references, unmounting all secure containers * corresponding to packages on external media, and posting a * UPDATED_MEDIA_STATUS message if status has been requested. Please note * that we always have to post this message if status has been requested no * matter what. */ private void unloadMediaPackages(ArrayMap processCids, int uidArr[], final boolean reportStatus) { if (DEBUG_SD_INSTALL) Log.i(TAG, "unloading media packages"); ArrayList pkgList = new ArrayList(); ArrayList failedList = new ArrayList(); final Set keys = processCids.keySet(); for (AsecInstallArgs args : keys) { String pkgName = args.getPackageName(); if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to unload pkg : " + pkgName); // Delete package internally PackageRemovedInfo outInfo = new PackageRemovedInfo(); synchronized (mInstallLock) { boolean res = deletePackageLI(pkgName, null, false, null, null, PackageManager.DELETE_KEEP_DATA, outInfo, false); if (res) { pkgList.add(pkgName); } else { Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); failedList.add(args); } } } // reader synchronized (mPackages) { // We didn't update the settings after removing each package; // write them now for all packages. mSettings.writeLPr(); } // We have to absolutely send UPDATED_MEDIA_STATUS only // after confirming that all the receivers processed the ordered // broadcast when packages get disabled, force a gc to clean things up. // and unload all the containers. if (pkgList.size() > 0) { sendResourcesChangedBroadcast(false, false, pkgList, uidArr, new IIntentReceiver.Stub() { public void performReceive(Intent intent, int resultCode, String data, Bundle extras, boolean ordered, boolean sticky, int sendingUser) throws RemoteException { Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, 1, keys); mHandler.sendMessage(msg); } }); } else { Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, keys); mHandler.sendMessage(msg); } } /** Binder call */ @Override public void movePackage(final String packageName, final IPackageMoveObserver observer, final int flags) { mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); UserHandle user = new UserHandle(UserHandle.getCallingUserId()); int returnCode = PackageManager.MOVE_SUCCEEDED; int currInstallFlags = 0; int newInstallFlags = 0; File codeFile = null; String installerPackageName = null; String packageAbiOverride = null; // reader synchronized (mPackages) { final PackageParser.Package pkg = mPackages.get(packageName); final PackageSetting ps = mSettings.mPackages.get(packageName); if (pkg == null || ps == null) { returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; } else { // Disable moving fwd locked apps and system packages if (pkg.applicationInfo != null && isSystemApp(pkg)) { Slog.w(TAG, "Cannot move system application"); returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; } else if (pkg.mOperationPending) { Slog.w(TAG, "Attempt to move package which has pending operations"); returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; } else { // Find install location first if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 && (flags & PackageManager.MOVE_INTERNAL) != 0) { Slog.w(TAG, "Ambigous flags specified for move location."); returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; } else { newInstallFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; currInstallFlags = isExternal(pkg) ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; if (newInstallFlags == currInstallFlags) { Slog.w(TAG, "No move required. Trying to move to same location"); returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; } else { if (isForwardLocked(pkg)) { currInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; newInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; } } } if (returnCode == PackageManager.MOVE_SUCCEEDED) { pkg.mOperationPending = true; } } codeFile = new File(pkg.codePath); installerPackageName = ps.installerPackageName; packageAbiOverride = ps.cpuAbiOverrideString; } } if (returnCode != PackageManager.MOVE_SUCCEEDED) { try { observer.packageMoved(packageName, returnCode); } catch (RemoteException ignored) { } return; } final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { @Override public void onUserActionRequired(Intent intent) throws RemoteException { throw new IllegalStateException(); } @Override public void onPackageInstalled(String basePackageName, int returnCode, String msg, Bundle extras) throws RemoteException { Slog.d(TAG, "Install result for move: " + PackageManager.installStatusToString(returnCode, msg)); // We usually have a new package now after the install, but if // we failed we need to clear the pending flag on the original // package object. synchronized (mPackages) { final PackageParser.Package pkg = mPackages.get(packageName); if (pkg != null) { pkg.mOperationPending = false; } } final int status = PackageManager.installStatusToPublicStatus(returnCode); switch (status) { case PackageInstaller.STATUS_SUCCESS: observer.packageMoved(packageName, PackageManager.MOVE_SUCCEEDED); break; case PackageInstaller.STATUS_FAILURE_STORAGE: observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); break; default: observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INTERNAL_ERROR); break; } } }; // Treat a move like reinstalling an existing app, which ensures that we // process everythign uniformly, like unpacking native libraries. newInstallFlags |= PackageManager.INSTALL_REPLACE_EXISTING; final Message msg = mHandler.obtainMessage(INIT_COPY); final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); msg.obj = new InstallParams(origin, installObserver, newInstallFlags, installerPackageName, null, user, packageAbiOverride); mHandler.sendMessage(msg); } @Override public boolean setInstallLocation(int loc) { mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, null); if (getInstallLocation() == loc) { return true; } if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL || loc == PackageHelper.APP_INSTALL_EXTERNAL) { android.provider.Settings.Global.putInt(mContext.getContentResolver(), android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); return true; } return false; } @Override public int getInstallLocation() { return android.provider.Settings.Global.getInt(mContext.getContentResolver(), android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, PackageHelper.APP_INSTALL_AUTO); } /** Called by UserManagerService */ void cleanUpUserLILPw(UserManagerService userManager, int userHandle) { mDirtyUsers.remove(userHandle); mSettings.removeUserLPw(userHandle); mPendingBroadcasts.remove(userHandle); if (mInstaller != null) { // Technically, we shouldn't be doing this with the package lock // held. However, this is very rare, and there is already so much // other disk I/O going on, that we'll let it slide for now. mInstaller.removeUserDataDirs(userHandle); } mUserNeedsBadging.delete(userHandle); removeUnusedPackagesLILPw(userManager, userHandle); } /** * We're removing userHandle and would like to remove any downloaded packages * that are no longer in use by any other user. * @param userHandle the user being removed */ private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { final boolean DEBUG_CLEAN_APKS = false; int [] users = userManager.getUserIdsLPr(); Iterator psit = mSettings.mPackages.values().iterator(); while (psit.hasNext()) { PackageSetting ps = psit.next(); if (ps.pkg == null) { continue; } final String packageName = ps.pkg.packageName; // Skip over if system app if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { continue; } if (DEBUG_CLEAN_APKS) { Slog.i(TAG, "Checking package " + packageName); } boolean keep = false; for (int i = 0; i < users.length; i++) { if (users[i] != userHandle && ps.getInstalled(users[i])) { keep = true; if (DEBUG_CLEAN_APKS) { Slog.i(TAG, " Keeping package " + packageName + " for user " + users[i]); } break; } } if (!keep) { if (DEBUG_CLEAN_APKS) { Slog.i(TAG, " Removing package " + packageName); } mHandler.post(new Runnable() { public void run() { deletePackageX(packageName, userHandle, 0); } //end run }); } } } /** Called by UserManagerService */ void createNewUserLILPw(int userHandle, File path) { if (mInstaller != null) { mInstaller.createUserConfig(userHandle); mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); } } @Override public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, "Only package verification agents can read the verifier device identity"); synchronized (mPackages) { return mSettings.getVerifierDeviceIdentityLPw(); } } @Override public void setPermissionEnforced(String permission, boolean enforced) { mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); if (READ_EXTERNAL_STORAGE.equals(permission)) { synchronized (mPackages) { if (mSettings.mReadExternalStorageEnforced == null || mSettings.mReadExternalStorageEnforced != enforced) { mSettings.mReadExternalStorageEnforced = enforced; mSettings.writeLPr(); } } // kill any non-foreground processes so we restart them and // grant/revoke the GID. final IActivityManager am = ActivityManagerNative.getDefault(); if (am != null) { final long token = Binder.clearCallingIdentity(); try { am.killProcessesBelowForeground("setPermissionEnforcement"); } catch (RemoteException e) { } finally { Binder.restoreCallingIdentity(token); } } } else { throw new IllegalArgumentException("No selective enforcement for " + permission); } } @Override @Deprecated public boolean isPermissionEnforced(String permission) { return true; } @Override public boolean isStorageLow() { final long token = Binder.clearCallingIdentity(); try { final DeviceStorageMonitorInternal dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); if (dsm != null) { return dsm.isMemoryLow(); } else { return false; } } finally { Binder.restoreCallingIdentity(token); } } @Override public IPackageInstaller getPackageInstaller() { return mInstallerService; } private boolean userNeedsBadging(int userId) { int index = mUserNeedsBadging.indexOfKey(userId); if (index < 0) { final UserInfo userInfo; final long token = Binder.clearCallingIdentity(); try { userInfo = sUserManager.getUserInfo(userId); } finally { Binder.restoreCallingIdentity(token); } final boolean b; if (userInfo != null && userInfo.isManagedProfile()) { b = true; } else { b = false; } mUserNeedsBadging.put(userId, b); return b; } return mUserNeedsBadging.valueAt(index); } @Override public KeySet getKeySetByAlias(String packageName, String alias) { if (packageName == null || alias == null) { return null; } synchronized(mPackages) { final PackageParser.Package pkg = mPackages.get(packageName); if (pkg == null) { Slog.w(TAG, "KeySet requested for unknown package:" + packageName); throw new IllegalArgumentException("Unknown package: " + packageName); } KeySetManagerService ksms = mSettings.mKeySetManagerService; return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); } } @Override public KeySet getSigningKeySet(String packageName) { if (packageName == null) { return null; } synchronized(mPackages) { final PackageParser.Package pkg = mPackages.get(packageName); if (pkg == null) { Slog.w(TAG, "KeySet requested for unknown package:" + packageName); throw new IllegalArgumentException("Unknown package: " + packageName); } if (pkg.applicationInfo.uid != Binder.getCallingUid() && Process.SYSTEM_UID != Binder.getCallingUid()) { throw new SecurityException("May not access signing KeySet of other apps."); } KeySetManagerService ksms = mSettings.mKeySetManagerService; return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); } } @Override public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { if (packageName == null || ks == null) { return false; } synchronized(mPackages) { final PackageParser.Package pkg = mPackages.get(packageName); if (pkg == null) { Slog.w(TAG, "KeySet requested for unknown package:" + packageName); throw new IllegalArgumentException("Unknown package: " + packageName); } IBinder ksh = ks.getToken(); if (ksh instanceof KeySetHandle) { KeySetManagerService ksms = mSettings.mKeySetManagerService; return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); } return false; } } @Override public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { if (packageName == null || ks == null) { return false; } synchronized(mPackages) { final PackageParser.Package pkg = mPackages.get(packageName); if (pkg == null) { Slog.w(TAG, "KeySet requested for unknown package:" + packageName); throw new IllegalArgumentException("Unknown package: " + packageName); } IBinder ksh = ks.getToken(); if (ksh instanceof KeySetHandle) { KeySetManagerService ksms = mSettings.mKeySetManagerService; return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); } return false; } } public void getUsageStatsIfNoPackageUsageInfo() { if (!mPackageUsage.isHistoricalPackageUsageAvailable()) { UsageStatsManager usm = (UsageStatsManager) mContext.getSystemService(Context.USAGE_STATS_SERVICE); if (usm == null) { throw new IllegalStateException("UsageStatsManager must be initialized"); } long now = System.currentTimeMillis(); Map stats = usm.queryAndAggregateUsageStats(now - mDexOptLRUThresholdInMills, now); for (Map.Entry entry : stats.entrySet()) { String packageName = entry.getKey(); PackageParser.Package pkg = mPackages.get(packageName); if (pkg == null) { continue; } UsageStats usage = entry.getValue(); pkg.mLastPackageUsageTimeInMills = usage.getLastTimeUsed(); mPackageUsage.mIsHistoricalPackageUsageAvailable = true; } } } /** * Check and throw if the given before/after packages would be considered a * downgrade. */ private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) throws PackageManagerException { if (after.versionCode < before.mVersionCode) { throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, "Update version code " + after.versionCode + " is older than current " + before.mVersionCode); } else if (after.versionCode == before.mVersionCode) { if (after.baseRevisionCode < before.baseRevisionCode) { throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, "Update base revision code " + after.baseRevisionCode + " is older than current " + before.baseRevisionCode); } if (!ArrayUtils.isEmpty(after.splitNames)) { for (int i = 0; i < after.splitNames.length; i++) { final String splitName = after.splitNames[i]; final int j = ArrayUtils.indexOf(before.splitNames, splitName); if (j != -1) { if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, "Update split " + splitName + " revision code " + after.splitRevisionCodes[i] + " is older than current " + before.splitRevisionCodes[j]); } } } } } } }